libmicrohttpd-0.9.33/0000755000175000017500000000000012255341026011453 500000000000000libmicrohttpd-0.9.33/src/0000755000175000017500000000000012255341026012242 500000000000000libmicrohttpd-0.9.33/src/testspdy/0000755000175000017500000000000012255341026014121 500000000000000libmicrohttpd-0.9.33/src/testspdy/test_notls.c0000644000175000017500000005531312216711177016417 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file request_response.c * @brief tests receiving request and sending response. spdycli.c (spdylay) * code is reused here * @author Andrey Uzunov * @author Tatsuhiro Tsujikawa */ #include "platform.h" #include "microspdy.h" #include #include "common.h" #define RESPONSE_BODY "Hi, this is libmicrospdy!" #define CLS "anything" pid_t parent; pid_t child; char *rcvbuf; int rcvbuf_c = 0; int session_closed_called = 0; void killchild(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); exit(1); } void killparent(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); _exit(1); } /***** * start of code needed to utilize spdylay */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include enum { IO_NONE, WANT_READ, WANT_WRITE }; struct Connection { spdylay_session *session; /* WANT_READ if SSL connection needs more input; or WANT_WRITE if it needs more output; or IO_NONE. This is necessary because SSL/TLS re-negotiation is possible at any time. Spdylay API offers similar functions like spdylay_session_want_read() and spdylay_session_want_write() but they do not take into account SSL connection. */ int want_io; int fd; }; struct Request { char *host; uint16_t port; /* In this program, path contains query component as well. */ char *path; /* This is the concatenation of host and port with ":" in between. */ char *hostport; /* Stream ID for this request. */ int32_t stream_id; /* The gzip stream inflater for the compressed response. */ spdylay_gzip *inflater; }; struct URI { const char *host; size_t hostlen; uint16_t port; /* In this program, path contains query component as well. */ const char *path; size_t pathlen; const char *hostport; size_t hostportlen; }; /* * Returns copy of string |s| with the length |len|. The returned * string is NULL-terminated. */ static char* strcopy(const char *s, size_t len) { char *dst; dst = malloc(len+1); memcpy(dst, s, len); dst[len] = '\0'; return dst; } /* * Prints error message |msg| and exit. */ static void die(const char *msg) { fprintf(stderr, "FATAL: %s\n", msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and message |msg| * and exit. */ static void dief(const char *func, const char *msg) { fprintf(stderr, "FATAL: %s: %s\n", func, msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and error code * |error_code| and exit. */ static void diec(const char *func, int error_code) { fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code, spdylay_strerror(error_code)); exit(EXIT_FAILURE); } /* * Check response is content-encoding: gzip. We need this because SPDY * client is required to support gzip. */ static void check_gzip(struct Request *req, char **nv) { int gzip = 0; size_t i; for(i = 0; nv[i]; i += 2) { if(strcmp("content-encoding", nv[i]) == 0) { gzip = strcmp("gzip", nv[i+1]) == 0; break; } } if(gzip) { int rv; if(req->inflater) { return; } rv = spdylay_gzip_inflate_new(&req->inflater); if(rv != 0) { die("Can't allocate inflate stream."); } } } /* * The implementation of spdylay_send_callback type. Here we write * |data| with size |length| to the network and return the number of * bytes actually written. See the documentation of * spdylay_send_callback for the details. */ static ssize_t send_callback(spdylay_session *session, const uint8_t *data, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; rv = write(connection->fd, data, length); if (rv < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif connection->want_io = WANT_WRITE; rv = SPDYLAY_ERR_WOULDBLOCK; break; default: rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } return rv; } /* * The implementation of spdylay_recv_callback type. Here we read data * from the network and write them in |buf|. The capacity of |buf| is * |length| bytes. Returns the number of bytes stored in |buf|. See * the documentation of spdylay_recv_callback for the details. */ static ssize_t recv_callback(spdylay_session *session, uint8_t *buf, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; rv = read(connection->fd, buf, length); if (rv < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif connection->want_io = WANT_READ; rv = SPDYLAY_ERR_WOULDBLOCK; break; default: rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } else if(rv == 0) rv = SPDYLAY_ERR_EOF; return rv; } /* * The implementation of spdylay_before_ctrl_send_callback type. We * use this function to get stream ID of the request. This is because * stream ID is not known when we submit the request * (spdylay_submit_request). */ static void before_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; if(type == SPDYLAY_SYN_STREAM) { struct Request *req; int stream_id = frame->syn_stream.stream_id; req = spdylay_session_get_stream_user_data(session, stream_id); if(req && req->stream_id == -1) { req->stream_id = stream_id; printf("[INFO] Stream ID = %d\n", stream_id); } } } static void on_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_STREAM: nv = frame->syn_stream.nv; name = "SYN_STREAM"; stream_id = frame->syn_stream.stream_id; break; default: break; } if(name && spdylay_session_get_stream_user_data(session, stream_id)) { printf("[INFO] C ----------------------------> S (%s)\n", name); for(i = 0; nv[i]; i += 2) { printf(" %s: %s\n", nv[i], nv[i+1]); } } } static void on_ctrl_recv_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; struct Request *req; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_REPLY: nv = frame->syn_reply.nv; name = "SYN_REPLY"; stream_id = frame->syn_reply.stream_id; break; case SPDYLAY_HEADERS: nv = frame->headers.nv; name = "HEADERS"; stream_id = frame->headers.stream_id; break; default: break; } if(!name) { return; } req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { check_gzip(req, nv); printf("[INFO] C <---------------------------- S (%s)\n", name); for(i = 0; nv[i]; i += 2) { printf(" %s: %s\n", nv[i], nv[i+1]); } } } /* * The implementation of spdylay_on_stream_close_callback type. We use * this function to know the response is fully received. Since we just * fetch 1 resource in this program, after reception of the response, * we submit GOAWAY and close the session. */ static void on_stream_close_callback(spdylay_session *session, int32_t stream_id, spdylay_status_code status_code, void *user_data) { (void)status_code; (void)user_data; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { int rv; rv = spdylay_submit_goaway(session, SPDYLAY_GOAWAY_OK); if(rv != 0) { diec("spdylay_submit_goaway", rv); } } } #define MAX_OUTLEN 4096 /* * The implementation of spdylay_on_data_chunk_recv_callback type. We * use this function to print the received response body. */ static void on_data_chunk_recv_callback(spdylay_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { (void)flags; (void)user_data; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { printf("[INFO] C <---------------------------- S (DATA)\n"); printf(" %lu bytes\n", (unsigned long int)len); if(req->inflater) { while(len > 0) { uint8_t out[MAX_OUTLEN]; size_t outlen = MAX_OUTLEN; size_t tlen = len; int rv; rv = spdylay_gzip_inflate(req->inflater, out, &outlen, data, &tlen); if(rv == -1) { spdylay_submit_rst_stream(session, stream_id, SPDYLAY_INTERNAL_ERROR); break; } fwrite(out, 1, outlen, stdout); data += tlen; len -= tlen; } } else { /* TODO add support gzip */ fwrite(data, 1, len, stdout); //check if the data is correct //if(strcmp(RESPONSE_BODY, data) != 0) //killparent(parent, "\nreceived data is not the same"); if(len + rcvbuf_c > strlen(RESPONSE_BODY)) killparent(parent, "\nreceived data is not the same"); strcpy(rcvbuf + rcvbuf_c,(char*)data); rcvbuf_c+=len; } printf("\n"); } } /* * Setup callback functions. Spdylay API offers many callback * functions, but most of them are optional. The send_callback is * always required. Since we use spdylay_session_recv(), the * recv_callback is also required. */ static void setup_spdylay_callbacks(spdylay_session_callbacks *callbacks) { memset(callbacks, 0, sizeof(spdylay_session_callbacks)); callbacks->send_callback = send_callback; callbacks->recv_callback = recv_callback; callbacks->before_ctrl_send_callback = before_ctrl_send_callback; callbacks->on_ctrl_send_callback = on_ctrl_send_callback; callbacks->on_ctrl_recv_callback = on_ctrl_recv_callback; callbacks->on_stream_close_callback = on_stream_close_callback; callbacks->on_data_chunk_recv_callback = on_data_chunk_recv_callback; } /* * Connects to the host |host| and port |port|. This function returns * the file descriptor of the client socket. */ static int connect_to(const char *host, uint16_t port) { struct addrinfo hints; int fd = -1; int rv; char service[NI_MAXSERV]; struct addrinfo *res, *rp; snprintf(service, sizeof(service), "%u", port); memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_STREAM; rv = getaddrinfo(host, service, &hints, &res); if(rv != 0) { dief("getaddrinfo", gai_strerror(rv)); } for(rp = res; rp; rp = rp->ai_next) { fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if(fd == -1) { continue; } while((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 && errno == EINTR); if(rv == 0) { break; } close(fd); fd = -1; dief("connect", strerror(errno)); } freeaddrinfo(res); return fd; } static void make_non_block(int fd) { int flags, rv; while((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR); if(flags == -1) { dief("fcntl1", strerror(errno)); } while((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR); if(rv == -1) { dief("fcntl2", strerror(errno)); } } /* * Setting TCP_NODELAY is not mandatory for the SPDY protocol. */ static void set_tcp_nodelay(int fd) { int val = 1; int rv; rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(rv == -1) { dief("setsockopt", strerror(errno)); } } /* * Update |pollfd| based on the state of |connection|. */ static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) { pollfd->events = 0; if(spdylay_session_want_read(connection->session) || connection->want_io == WANT_READ) { pollfd->events |= POLLIN; } if(spdylay_session_want_write(connection->session) || connection->want_io == WANT_WRITE) { pollfd->events |= POLLOUT; } } /* * Submits the request |req| to the connection |connection|. This * function does not send packets; just append the request to the * internal queue in |connection->session|. */ static void submit_request(struct Connection *connection, struct Request *req) { int pri = 0; int rv; const char *nv[15]; /* We always use SPDY/3 style header even if the negotiated protocol version is SPDY/2. The library translates the header name as necessary. Make sure that the last item is NULL! */ nv[0] = ":method"; nv[1] = "GET"; nv[2] = ":path"; nv[3] = req->path; nv[4] = ":version"; nv[5] = "HTTP/1.1"; nv[6] = ":scheme"; nv[7] = "https"; nv[8] = ":host"; nv[9] = req->hostport; nv[10] = "accept"; nv[11] = "*/*"; nv[12] = "user-agent"; nv[13] = "spdylay/"SPDYLAY_VERSION; nv[14] = NULL; rv = spdylay_submit_request(connection->session, pri, nv, NULL, req); if(rv != 0) { diec("spdylay_submit_request", rv); } } /* * Performs the network I/O. */ static void exec_io(struct Connection *connection) { int rv; rv = spdylay_session_recv(connection->session); if(rv != 0) { diec("spdylay_session_recv", rv); } rv = spdylay_session_send(connection->session); if(rv != 0) { diec("spdylay_session_send", rv); } } static void request_init(struct Request *req, const struct URI *uri) { req->host = strcopy(uri->host, uri->hostlen); req->port = uri->port; req->path = strcopy(uri->path, uri->pathlen); req->hostport = strcopy(uri->hostport, uri->hostportlen); req->stream_id = -1; req->inflater = NULL; } static void request_free(struct Request *req) { free(req->host); free(req->path); free(req->hostport); spdylay_gzip_inflate_del(req->inflater); } /* * Fetches the resource denoted by |uri|. */ static void fetch_uri(const struct URI *uri) { spdylay_session_callbacks callbacks; int fd; struct Request req; struct Connection connection; int rv; nfds_t npollfds = 1; struct pollfd pollfds[1]; uint16_t spdy_proto_version = 3; request_init(&req, uri); setup_spdylay_callbacks(&callbacks); /* Establish connection and setup SSL */ fd = connect_to(req.host, req.port); connection.fd = fd; connection.want_io = IO_NONE; /* Here make file descriptor non-block */ make_non_block(fd); set_tcp_nodelay(fd); printf("[INFO] SPDY protocol version = %d\n", spdy_proto_version); rv = spdylay_session_client_new(&connection.session, spdy_proto_version, &callbacks, &connection); if(rv != 0) { diec("spdylay_session_client_new", rv); } /* Submit the HTTP request to the outbound queue. */ submit_request(&connection, &req); pollfds[0].fd = fd; ctl_poll(pollfds, &connection); /* Event loop */ while(spdylay_session_want_read(connection.session) || spdylay_session_want_write(connection.session)) { int nfds = poll(pollfds, npollfds, -1); if(nfds == -1) { dief("poll", strerror(errno)); } if(pollfds[0].revents & (POLLIN | POLLOUT)) { exec_io(&connection); } if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) { die("Connection error"); } ctl_poll(pollfds, &connection); } /* Resource cleanup */ spdylay_session_del(connection.session); shutdown(fd, SHUT_WR); close(fd); request_free(&req); } static int parse_uri(struct URI *res, const char *uri) { /* We only interested in https */ size_t len, i, offset; memset(res, 0, sizeof(struct URI)); len = strlen(uri); if(len < 9 || memcmp("https://", uri, 8) != 0) { return -1; } offset = 8; res->host = res->hostport = &uri[offset]; res->hostlen = 0; if(uri[offset] == '[') { /* IPv6 literal address */ ++offset; ++res->host; for(i = offset; i < len; ++i) { if(uri[i] == ']') { res->hostlen = i-offset; offset = i+1; break; } } } else { const char delims[] = ":/?#"; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } } res->hostlen = i-offset; offset = i; } if(res->hostlen == 0) { return -1; } /* Assuming https */ res->port = 443; if(offset < len) { if(uri[offset] == ':') { /* port */ const char delims[] = "/?#"; int port = 0; ++offset; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } if('0' <= uri[i] && uri[i] <= '9') { port *= 10; port += uri[i]-'0'; if(port > 65535) { return -1; } } else { return -1; } } if(port == 0) { return -1; } offset = i; res->port = port; } } res->hostportlen = uri+offset-res->host; for(i = offset; i < len; ++i) { if(uri[i] == '#') { break; } } if(i-offset == 0) { res->path = "/"; res->pathlen = 1; } else { res->path = &uri[offset]; res->pathlen = i-offset; } return 0; } /***** * end of code needed to utilize spdylay */ /***** * start of code needed to utilize microspdy */ void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)method; (void)version; (void)more; struct SPDY_Response *response=NULL; if(strcmp(CLS,cls)!=0) { killchild(child,"wrong cls"); } response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,RESPONSE_BODY,strlen(RESPONSE_BODY)); if(NULL==response){ fprintf(stdout,"no response obj\n"); exit(3); } if(SPDY_queue_response(request,response,true,false,NULL,(void*)strdup(path))!=SPDY_YES) { fprintf(stdout,"queue\n"); exit(4); } } void session_closed_handler (void *cls, struct SPDY_Session * session, int by_client) { printf("session_closed_handler called\n"); if(strcmp(CLS,cls)!=0) { killchild(child,"wrong cls"); } if(SPDY_YES != by_client) { //killchild(child,"wrong by_client"); printf("session closed by server\n"); } else { printf("session closed by client\n"); } if(NULL == session) { killchild(child,"session is NULL"); } session_closed_called = 1; } /***** * end of code needed to utilize microspdy */ //child process void childproc(int port) { struct URI uri; struct sigaction act; int rv; char *uristr; memset(&act, 0, sizeof(struct sigaction)); act.sa_handler = SIG_IGN; sigaction(SIGPIPE, &act, 0); usleep(10000); asprintf(&uristr, "https://127.0.0.1:%i/",port); if(NULL == (rcvbuf = malloc(strlen(RESPONSE_BODY)+1))) killparent(parent,"no memory"); rv = parse_uri(&uri, uristr); if(rv != 0) { killparent(parent,"parse_uri failed"); } fetch_uri(&uri); if(strcmp(rcvbuf, RESPONSE_BODY)) killparent(parent,"received data is different"); } //parent proc int parentproc( int port) { int childstatus; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; SPDY_init(); daemon = SPDY_start_daemon(port, NULL, NULL, NULL,&session_closed_handler,&standard_request_handler,NULL,CLS, SPDY_DAEMON_OPTION_IO_SUBSYSTEM, SPDY_IO_SUBSYSTEM_RAW, SPDY_DAEMON_OPTION_FLAGS, SPDY_DAEMON_FLAG_NO_DELAY, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); killchild(child, "select error"); break; case 0: break; default: SPDY_run(daemon); break; } } while(waitpid(child,&childstatus,WNOHANG) != child); //give chance to the client to close socket and handle this in run usleep(100000); SPDY_run(daemon); SPDY_stop_daemon(daemon); SPDY_deinit(); return WEXITSTATUS(childstatus); } int main() { int port = get_port(12123); parent = getpid(); child = fork(); if (child == -1) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { childproc(port); _exit(0); } else { int ret = parentproc(port); if(1 == session_closed_called && 0 == ret) exit(0); else exit(ret ? ret : 21); } return 1; } libmicrohttpd-0.9.33/src/testspdy/test_session_timeout.c0000644000175000017500000001374112220104363020474 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file session_timeout.c * @brief tests closing sessions after set timeout. Openssl is used for * client * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "stdio.h" #include #include #include "common.h" #include #include #include "../microspdy/internal.h" #define TIMEOUT 2 #define SELECT_MS_TIMEOUT 20 int port; pid_t parent; pid_t child; int run = 1; int chunk_size=1; int new_session; int closed_session; int do_sleep; void killchild(char *msg) { printf("%s\n",msg); kill(child, SIGKILL); exit(1); } void killparent(char *msg) { printf("%s\n",msg); kill(parent, SIGKILL); _exit(1); } void new_session_cb (void *cls, struct SPDY_Session * session) { (void)cls; (void)session; if(!new_session)do_sleep = 1; new_session = 1; printf("new session\n"); } void closed_session_cb (void *cls, struct SPDY_Session * session, int by_client) { (void)cls; (void)session; printf("closed_session_cb called\n"); if(SPDY_YES == by_client) { killchild("closed by the client"); } if(closed_session) { killchild("closed_session_cb called twice"); } closed_session = 1; } int parentproc() { int childstatus; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; unsigned long long beginning = 0; unsigned long long now; SPDY_init(); daemon = SPDY_start_daemon(port, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", &new_session_cb, &closed_session_cb, NULL, NULL, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, TIMEOUT, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { do_sleep=0; FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(new_session && !closed_session) { if(SPDY_NO == ret) { killchild("SPDY_get_timeout returned wrong SPDY_NO"); } /*if(timeoutlong) { killchild("SPDY_get_timeout returned wrong timeout"); }*/ now = SPDYF_monotonic_time (); if(now - beginning > TIMEOUT*1000 + SELECT_MS_TIMEOUT) { printf("Started at: %llums\n",beginning); printf("Now is: %llums\n",now); printf("Timeout is: %i\n",TIMEOUT); printf("Select Timeout is: %ims\n",SELECT_MS_TIMEOUT); printf("SPDY_get_timeout gave: %llums\n",timeoutlong); killchild("Timeout passed but session was not closed"); } if(timeoutlong > beginning + TIMEOUT *1000) { printf("Started at: %llums\n",beginning); printf("Now is: %llums\n",now); printf("Timeout is: %i\n",TIMEOUT); printf("Select Timeout is: %ims\n",SELECT_MS_TIMEOUT); printf("SPDY_get_timeout gave: %llums\n",timeoutlong); killchild("SPDY_get_timeout returned wrong timeout"); } } else { if(SPDY_YES == ret) { killchild("SPDY_get_timeout returned wrong SPDY_YES"); } } if(SPDY_NO == ret || timeoutlong >= 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } //ignore values timeout.tv_sec = 0; timeout.tv_usec = SELECT_MS_TIMEOUT * 1000; maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); break; case 0: /*if(new_session) { killchild("select returned wrong number"); }*/ break; default: SPDY_run(daemon); if(0 == beginning) { beginning = SPDYF_monotonic_time (); } /*if(do_sleep) { sleep(TIMEOUT); do_sleep = 0; }*/ break; } } while(waitpid(child,&childstatus,WNOHANG) != child); if(!new_session || !closed_session) { killchild("child is dead, callback wasn't called"); } ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_YES == ret) { killchild("SPDY_get_timeout returned wrong SPDY_YES after child died"); } SPDY_stop_daemon(daemon); SPDY_deinit(); return 0; } int childproc() { pid_t devnull; pid_t out; out=dup(1); //close(0); close(1); close(2); /*devnull = open("/dev/null", O_RDONLY); if (0 != devnull) { dup2(devnull, 0); close(devnull); }*/ devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } devnull = open("/dev/null", O_WRONLY); if (2 != devnull) { dup2(devnull, 2); close(devnull); } char *uri; asprintf (&uri, "127.0.0.1:%i", port); execlp ("openssl", "openssl", "s_client", "-connect", uri, NULL); close(1); dup2(out,1); close(out); killparent ("executing openssl failed"); return 1; } int main() { port = get_port(11123); parent = getpid(); child = fork(); if (-1 == child) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { int ret = childproc(); _exit(ret); } else { int ret = parentproc(); exit(ret); } return 1; } libmicrohttpd-0.9.33/src/testspdy/test_misc.c0000644000175000017500000001356112202003706016175 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file misc.c * @brief tests a lot of small calls and callbacks. TODO mention what * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "stdio.h" #include #include "common.h" int port; #define HTML "\ \ This is libmicrospdy" #define CSS "body{font-size:15px}" #define SESSION_CLS "1234567890" #define REQUEST_CLS "1234567890REQ" pid_t parent; pid_t child; struct SPDY_Session *session1; struct SPDY_Session *session2; void killchild() { kill(child, SIGKILL); exit(1); } void killparent() { kill(parent, SIGKILL); _exit(1); } void create_child() { parent = getpid(); child = fork(); if (-1 == child) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { int devnull; char *uri; fflush(stdout); devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } asprintf(&uri,"https://127.0.0.1:%i/",port); execlp("spdycat", "spdycat","-anv",uri,NULL ); printf("execlp failed\n"); killparent(); } } void response_done_callback(void *cls, struct SPDY_Response * response, struct SPDY_Request * request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)status; (void)streamopened; if(strcmp(cls,"/main.css")) { session1 = SPDY_get_session_for_request(request); if(NULL == session1) { printf("SPDY_get_session_for_request failed\n"); killchild(); } char *session_cls = strdup(SESSION_CLS); SPDY_set_cls_to_session(session1,session_cls); } else { session2 = SPDY_get_session_for_request(request); if(session1 != session2) { printf("SPDY_get_session_for_request failed the second time\n"); killchild(); } printf("SPDY_get_session_for_request tested...\n"); void *session_cls = SPDY_get_cls_from_session(session2); if(NULL == session_cls || strcmp(session_cls, SESSION_CLS)) { printf("SPDY_get_cls_from_session failed\n"); killchild(); } printf("SPDY_set_cls_to_session tested...\n"); printf("SPDY_get_cls_from_session tested...\n"); void *request_cls = SPDY_get_cls_from_request(request); if(NULL == request_cls || strcmp(request_cls, REQUEST_CLS)) { printf("SPDY_get_cls_from_request failed\n"); killchild(); } printf("SPDY_set_cls_to_request tested...\n"); printf("SPDY_get_cls_from_request tested...\n"); } SPDY_destroy_request(request); SPDY_destroy_response(response); free(cls); } void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)method; (void)version; (void)more; struct SPDY_Response *response=NULL; char *cls_path = strdup(path); if(strcmp(path,"/main.css")==0) { char *request_cls = strdup(REQUEST_CLS); SPDY_set_cls_to_request(request,request_cls); response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,CSS,strlen(CSS)); } else { response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,HTML,strlen(HTML)); } if(NULL==response){ fprintf(stdout,"no response obj\n"); killchild(); } if(SPDY_queue_response(request,response,true,false,&response_done_callback,cls_path)!=SPDY_YES) { fprintf(stdout,"queue\n"); killchild(); } } int parentproc() { int childstatus; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; daemon = SPDY_start_daemon(port, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", NULL, NULL, &standard_request_handler, NULL, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } create_child(); do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = 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under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file test_proxies.c * @brief test curl > mhd2spdylay > microspdy2http > mhd * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "common.h" #include #include /* printf, stderr, fprintf */ #include /* pid_t */ #include /* _exit, fork */ #include /* exit */ #include /* errno */ #include /* pid_t */ #include "common.h" #define EXPECTED_BODY "libmicrohttpd demolibmicrohttpd demo" pid_t parent; pid_t child_mhd; pid_t child_spdy2http; pid_t child_mhd2spdy; pid_t child_curl; uint16_t mhd_port; uint16_t spdy2http_port; uint16_t mhd2spdy_port; void killproc(int pid, const char *message) { printf("%s\nkilling %i\n",message,pid); kill(pid, SIGKILL); } void killchildren() { if(0 != child_mhd) killproc(child_mhd,"kill mhd\n"); if(0 != child_spdy2http) killproc(child_spdy2http,"kill spdy2http\n"); if(0 != child_mhd2spdy) killproc(child_mhd2spdy,"kill mhd2spdy\n"); if(0 != child_curl) killproc(child_curl,"kill curl\n"); } pid_t au_fork() { pid_t child = fork(); if (child == -1) { killchildren(); killproc(parent,"fork failed\n"); } return child; } int main() { //pid_t child; int childstatus; pid_t wpid; parent = getpid(); mhd_port = get_port(4000); spdy2http_port = get_port(4100); mhd2spdy_port = get_port(4200); child_mhd = au_fork(); if (child_mhd == 0) { //run MHD pid_t devnull; char *port_s; close(1); devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } asprintf(&port_s, "%i", mhd_port); execlp ("../examples/minimal_example", "minimal_example", port_s, NULL); fprintf(stderr, "executing mhd failed\nFor this test 'make' must be run before 'make check'!\n"); //killchildren(); _exit(1); } child_spdy2http = au_fork(); if (child_spdy2http == 0) { //run spdy2http pid_t devnull; char *port_s; //char *url; close(1); devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } //asprintf(&url, "127.0.0.1:%i", mhd_port); asprintf(&port_s, "%i", spdy2http_port); sleep(1); execlp ("../spdy2http/microspdy2http", "microspdy2http", "-v4rtT", "10", "-p", port_s, NULL); fprintf(stderr, "executing microspdy2http failed\n"); //killchildren(); _exit(1); } child_mhd2spdy = au_fork(); if (child_mhd2spdy == 0) { //run MHD2sdpy pid_t devnull; char *port_s; char *url; close(1); devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } asprintf(&url, "http://127.0.0.1:%i", spdy2http_port); asprintf(&port_s, "%i", mhd2spdy_port); sleep(2); execlp ("../examples/mhd2spdy", "mhd2spdy", "-vosb", url, "-p", port_s, NULL); fprintf(stderr, "executing mhd2spdy failed\n"); //killchildren(); _exit(1); } child_curl = au_fork(); if (child_curl == 0) { //run curl FILE *p; pid_t devnull; char *cmd; unsigned int i; char buf[strlen(EXPECTED_BODY) + 1]; close(1); devnull = open("/dev/null", O_WRONLY); if (1 != devnull) { dup2(devnull, 1); close(devnull); } asprintf (&cmd, "curl --proxy http://127.0.0.1:%i http://127.0.0.1:%i/", mhd2spdy_port, mhd_port); sleep(3); p = popen(cmd, "r"); if (p != NULL) { for (i = 0; i < strlen(EXPECTED_BODY) && !feof(p); i++) { buf[i] = fgetc(p); } pclose(p); buf[i] = 0; _exit(strcmp(EXPECTED_BODY, buf)); } fprintf(stderr, "executing curl failed\n"); //killchildren(); _exit(1); } do { wpid = waitpid(child_mhd,&childstatus,WNOHANG); if(wpid == child_mhd) { fprintf(stderr, "mhd died unexpectedly\n"); killchildren(); return 1; } wpid = waitpid(child_spdy2http,&childstatus,WNOHANG); if(wpid == child_spdy2http) { fprintf(stderr, "spdy2http died unexpectedly\n"); killchildren(); return 1; } wpid = waitpid(child_mhd2spdy,&childstatus,WNOHANG); if(wpid == child_mhd2spdy) { fprintf(stderr, "mhd2spdy died unexpectedly\n"); killchildren(); return 1; } if(waitpid(child_curl,&childstatus,WNOHANG) == child_curl) { killchildren(); return WEXITSTATUS(childstatus); } sleep(1); } while(true); } libmicrohttpd-0.9.33/src/testspdy/Makefile.am0000644000175000017500000000457712217253453016116 00000000000000SUBDIRS = . AM_CFLAGS = -DDATA_DIR=\"$(top_srcdir)/src/datadir/\" if USE_COVERAGE AM_CFLAGS += -fprofile-arcs -ftest-coverage endif if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir) \ -I$(top_srcdir)/src/include \ -I$(top_srcdir)/src/applicationlayer \ $(LIBCURL_CPPFLAGS) if !HAVE_W32 PERF_GET_CONCURRENT=perf_get_concurrent endif if ENABLE_SPDY if HAVE_OPENSSL check_PROGRAMS = \ test_daemon_start_stop \ test_daemon_start_stop_many \ test_struct_namevalue if HAVE_SPDYLAY check_PROGRAMS += \ test_new_connection \ test_request_response \ test_notls \ test_request_response_with_callback \ test_misc \ test_session_timeout #test_requests_with_assets if HAVE_CURL_BINARY check_PROGRAMS += \ test_proxies endif endif endif endif TESTS = $(check_PROGRAMS) SPDY_SOURCES= \ common.h common.c SPDY_LDADD= \ $(top_builddir)/src/microspdy/libmicrospdy.la \ -lssl \ -lcrypto \ -lz \ -ldl test_daemon_start_stop_SOURCES = \ test_daemon_start_stop.c \ $(SPDY_SOURCES) test_daemon_start_stop_LDADD = $(SPDY_LDADD) test_daemon_start_stop_many_SOURCES = \ test_daemon_start_stop_many.c \ $(SPDY_SOURCES) test_daemon_start_stop_many_LDADD = $(SPDY_LDADD) test_struct_namevalue_SOURCES = \ test_struct_namevalue.c \ $(SPDY_SOURCES) test_struct_namevalue_LDADD = $(SPDY_LDADD) if HAVE_SPDYLAY test_new_connection_SOURCES = \ test_new_connection.c \ $(SPDY_SOURCES) test_new_connection_LDADD = $(SPDY_LDADD) \ -lspdylay test_request_response_SOURCES = \ test_request_response.c \ $(SPDY_SOURCES) test_request_response_LDADD = $(SPDY_LDADD) \ -lspdylay test_notls_SOURCES = \ test_notls.c \ $(SPDY_SOURCES) test_notls_LDADD = $(SPDY_LDADD) \ -lspdylay test_request_response_with_callback_SOURCES = \ test_request_response_with_callback.c \ $(SPDY_SOURCES) test_request_response_with_callback_LDADD = $(SPDY_LDADD) #test_requests_with_assets_SOURCES = \ # test_requests_with_assets.c \ # $(SPDY_SOURCES) #test_requests_with_assets_LDADD = $(SPDY_LDADD) test_misc_SOURCES = \ test_misc.c \ $(SPDY_SOURCES) test_misc_LDADD = $(SPDY_LDADD) test_session_timeout_SOURCES = \ test_session_timeout.c \ $(SPDY_SOURCES) test_session_timeout_LDADD = $(SPDY_LDADD) test_proxies_SOURCES = \ test_proxies.c \ $(SPDY_SOURCES) test_proxies_LDADD = $(SPDY_LDADD) endif libmicrohttpd-0.9.33/src/testspdy/test_daemon_start_stop_many.c0000644000175000017500000000274712202003706022017 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file daemon_start_stop_many.c * @brief starts and stops several SPDY daemons, reusing port numbers * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "common.h" int main() { int i; int j; int num_daemons = 3; int num_tries = 5; int port = get_port(15123); struct SPDY_Daemon *daemon[num_daemons]; SPDY_init(); for(i=0; i. */ /** * @file common.h * @brief Common functions used by the tests. * @author Andrey Uzunov */ #include #include #include #include #define FAIL_TEST(msg) do{\ printf("%i:%s\n", __LINE__, msg);\ fflush(stdout);\ exit(-10);\ }\ while(0) uint16_t get_port(uint16_t min); libmicrohttpd-0.9.33/src/testspdy/common.c0000644000175000017500000000307612121051051015467 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file common.c * @brief Common functions used by the tests. * @author Andrey Uzunov */ #include "common.h" #include #ifdef __GNUC__ #define ATTRIBUTE_CONSTRUCTOR __attribute__ ((constructor)) #define ATTRIBUTE_DESTRUCTOR __attribute__ ((destructor)) #else // !__GNUC__ #define ATTRIBUTE_CONSTRUCTOR #define ATTRIBUTE_DESTRUCTOR #endif // __GNUC__ void ATTRIBUTE_CONSTRUCTOR constructor() { printf("\nTEST START -------------------------------------------------------\n"); } void ATTRIBUTE_DESTRUCTOR destructor() { printf("------------------------------------------------------- TEST END\n"); } uint16_t get_port(uint16_t min) { struct timeval tv; gettimeofday(&tv, NULL); if(2 > min) min=2; uint16_t port = min + (tv.tv_usec+10) % ((1 << 16) - min); //port = 12345; printf("Port used: %i\n", port); return port; } libmicrohttpd-0.9.33/src/testspdy/test_request_response_with_callback.c0000644000175000017500000001423612202003706023517 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file request_response_with_callback.c * @brief tests responses with callbacks * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "stdio.h" #include #include #include "common.h" #include #include int port; pid_t parent; pid_t child; int run = 1; int chunk_size=1; void killchild() { kill(child, SIGKILL); exit(1); } void killparent() { kill(parent, SIGKILL); _exit(1); } ssize_t response_callback (void *cls, void *buffer, size_t max, bool *more) { FILE *fd =(FILE*)cls; size_t n; if(chunk_size % 2) n = chunk_size; else n = max - chunk_size; if(n < 1) n = 1; else if (n > max) n=max; chunk_size++; int ret = fread(buffer,1,n,fd); *more = feof(fd) == 0; //printf("more is %i\n",*more); if(!(*more)) fclose(fd); return ret; } void response_done_callback(void *cls, struct SPDY_Response * response, struct SPDY_Request * request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)status; (void)streamopened; printf("answer for %s was sent\n", (char*)cls); SPDY_destroy_request(request); SPDY_destroy_response(response); free(cls); run = 0; } void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)method; (void)version; (void)more; struct SPDY_Response *response=NULL; struct SPDY_NameValue *resp_headers; printf("received request for '%s %s %s'\n", method, path, version); FILE *fd = fopen(DATA_DIR "spdy-draft.txt","r"); if(NULL == (resp_headers = SPDY_name_value_create())) { fprintf(stdout,"SPDY_name_value_create failed\n"); killchild(); } if(SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_CONTENT_TYPE,"text/plain")) { fprintf(stdout,"SPDY_name_value_add failed\n"); killchild(); } response = SPDY_build_response_with_callback(200,NULL, SPDY_HTTP_VERSION_1_1,resp_headers,&response_callback,fd,SPDY_MAX_SUPPORTED_FRAME_SIZE); SPDY_name_value_destroy(resp_headers); if(NULL==response){ fprintf(stdout,"no response obj\n"); killchild(); } void *clspath = strdup(path); if(SPDY_queue_response(request,response,true,false,&response_done_callback,clspath)!=SPDY_YES) { fprintf(stdout,"queue\n"); killchild(); } } int parentproc() { int childstatus; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; SPDY_init(); daemon = SPDY_start_daemon(port, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", NULL, NULL, &standard_request_handler, NULL, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); break; case 0: break; default: SPDY_run(daemon); break; } } while(waitpid(child,&childstatus,WNOHANG) != child); SPDY_stop_daemon(daemon); SPDY_deinit(); return WEXITSTATUS(childstatus); } #define MD5_LEN 32 int md5(char *cmd, char *md5_sum) { FILE *p = popen(cmd, "r"); if (p == NULL) return 0; int i, ch; for (i = 0; i < MD5_LEN && isxdigit(ch = fgetc(p)); i++) { *md5_sum++ = ch; } *md5_sum = '\0'; pclose(p); return i == MD5_LEN; } int childproc() { char *cmd1; char *cmd2; char md5_sum1[33]; char md5_sum2[33]; int ret; struct timeval tv1; struct timeval tv2; struct stat st; //int secs; uint64_t usecs; asprintf(&cmd1, "spdycat https://127.0.0.1:%i/ | md5sum",port); asprintf(&cmd2, "md5sum " DATA_DIR "spdy-draft.txt"); gettimeofday(&tv1, NULL); md5(cmd1,md5_sum1); gettimeofday(&tv2, NULL); md5(cmd2,md5_sum2); printf("downloaded file md5: %s\n", md5_sum1); printf("original file md5: %s\n", md5_sum2); ret = strcmp(md5_sum1, md5_sum2); if(0 == ret && 0 == stat(DATA_DIR "spdy-draft.txt", &st)) { usecs = (uint64_t)1000000 * (uint64_t)(tv2.tv_sec - tv1.tv_sec) + tv2.tv_usec - tv1.tv_usec; printf("%lld bytes read in %llu usecs\n", (long long)st.st_size, (long long unsigned )usecs); } return ret; } int main() { port = get_port(11123); parent = getpid(); child = fork(); if (-1 == child) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { int ret = childproc(); _exit(ret); } else { int ret = parentproc(); exit(ret); } return 1; } libmicrohttpd-0.9.33/src/testspdy/test_daemon_start_stop.c0000644000175000017500000000232412202003706020762 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file daemon_start_stop.c * @brief starts and stops a SPDY daemon * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "common.h" int main() { SPDY_init(); struct SPDY_Daemon *daemon = SPDY_start_daemon(get_port(16123), DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", NULL,NULL,NULL,NULL,NULL,SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } SPDY_stop_daemon(daemon); SPDY_deinit(); return 0; } libmicrohttpd-0.9.33/src/testspdy/test_new_connection.c0000644000175000017500000006041412202003706020251 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file request_response.c * @brief tests new connection callback. spdycli.c * code is reused here * @author Andrey Uzunov * @author Tatsuhiro Tsujikawa */ //TODO child exits with ret val 1 sometimes #include "platform.h" #include "microspdy.h" #include #include "common.h" #define RESPONSE_BODY "Hi, this is libmicrospdy!" #define CLS "anything" int port; int loop = 1; pid_t parent; pid_t child; int spdylay_printf(const char *format, ...) { (void)format; return 0; } int spdylay_fprintf(FILE *stream, const char *format, ...) { (void)stream; (void)format; return 0; } void killchild(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); exit(1); } void killparent(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); _exit(2); } /***** * start of code needed to utilize spdylay */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include enum { IO_NONE, WANT_READ, WANT_WRITE }; struct Connection { SSL *ssl; spdylay_session *session; /* WANT_READ if SSL connection needs more input; or WANT_WRITE if it needs more output; or IO_NONE. This is necessary because SSL/TLS re-negotiation is possible at any time. Spdylay API offers similar functions like spdylay_session_want_read() and spdylay_session_want_write() but they do not take into account SSL connection. */ int want_io; }; struct Request { char *host; uint16_t port; /* In this program, path contains query component as well. */ char *path; /* This is the concatenation of host and port with ":" in between. */ char *hostport; /* Stream ID for this request. */ int32_t stream_id; /* The gzip stream inflater for the compressed response. */ spdylay_gzip *inflater; }; struct URI { const char *host; size_t hostlen; uint16_t port; /* In this program, path contains query component as well. */ const char *path; size_t pathlen; const char *hostport; size_t hostportlen; }; /* * Returns copy of string |s| with the length |len|. The returned * string is NULL-terminated. */ static char* strcopy(const char *s, size_t len) { char *dst; dst = malloc(len+1); memcpy(dst, s, len); dst[len] = '\0'; return dst; } /* * Prints error message |msg| and exit. */ static void die(const char *msg) { fprintf(stderr, "FATAL: %s\n", msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and message |msg| * and exit. */ static void dief(const char *func, const char *msg) { fprintf(stderr, "FATAL: %s: %s\n", func, msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and error code * |error_code| and exit. */ static void diec(const char *func, int error_code) { fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code, spdylay_strerror(error_code)); exit(EXIT_FAILURE); } /* * Check response is content-encoding: gzip. We need this because SPDY * client is required to support gzip. */ static void check_gzip(struct Request *req, char **nv) { int gzip = 0; size_t i; for(i = 0; nv[i]; i += 2) { if(strcmp("content-encoding", nv[i]) == 0) { gzip = strcmp("gzip", nv[i+1]) == 0; break; } } if(gzip) { int rv; if(req->inflater) { return; } rv = spdylay_gzip_inflate_new(&req->inflater); if(rv != 0) { die("Can't allocate inflate stream."); } } } /* * The implementation of spdylay_send_callback type. Here we write * |data| with size |length| to the network and return the number of * bytes actually written. See the documentation of * spdylay_send_callback for the details. */ static ssize_t send_callback(spdylay_session *session, const uint8_t *data, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; ERR_clear_error(); rv = SSL_write(connection->ssl, data, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io = (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } return rv; } /* * The implementation of spdylay_recv_callback type. Here we read data * from the network and write them in |buf|. The capacity of |buf| is * |length| bytes. Returns the number of bytes stored in |buf|. See * the documentation of spdylay_recv_callback for the details. */ static ssize_t recv_callback(spdylay_session *session, uint8_t *buf, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; ERR_clear_error(); rv = SSL_read(connection->ssl, buf, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io = (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } else if(rv == 0) { rv = SPDYLAY_ERR_EOF; } return rv; } /* * The implementation of spdylay_before_ctrl_send_callback type. We * use this function to get stream ID of the request. This is because * stream ID is not known when we submit the request * (spdylay_submit_request). */ static void before_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; if(type == SPDYLAY_SYN_STREAM) { struct Request *req; int stream_id = frame->syn_stream.stream_id; req = spdylay_session_get_stream_user_data(session, stream_id); if(req && req->stream_id == -1) { req->stream_id = stream_id; spdylay_printf("[INFO] Stream ID = %d\n", stream_id); } } } static void on_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_STREAM: nv = frame->syn_stream.nv; name = "SYN_STREAM"; stream_id = frame->syn_stream.stream_id; break; default: break; } if(name && spdylay_session_get_stream_user_data(session, stream_id)) { spdylay_printf("[INFO] C ----------------------------> S (%s)\n", name); for(i = 0; nv[i]; i += 2) { spdylay_printf(" %s: %s\n", nv[i], nv[i+1]); } } } static void on_ctrl_recv_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; struct Request *req; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_REPLY: nv = frame->syn_reply.nv; name = "SYN_REPLY"; stream_id = frame->syn_reply.stream_id; break; case SPDYLAY_HEADERS: nv = frame->headers.nv; name = "HEADERS"; stream_id = frame->headers.stream_id; break; default: break; } if(!name) { return; } req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { check_gzip(req, nv); spdylay_printf("[INFO] C <---------------------------- S (%s)\n", name); for(i = 0; nv[i]; i += 2) { spdylay_printf(" %s: %s\n", nv[i], nv[i+1]); } } } /* * The implementation of spdylay_on_stream_close_callback type. We use * this function to know the response is fully received. Since we just * fetch 1 resource in this program, after reception of the response, * we submit GOAWAY and close the session. */ static void on_stream_close_callback(spdylay_session *session, int32_t stream_id, spdylay_status_code status_code, void *user_data) { (void)user_data; (void)status_code; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { int rv; rv = spdylay_submit_goaway(session, SPDYLAY_GOAWAY_OK); if(rv != 0) { diec("spdylay_submit_goaway", rv); } } } #define MAX_OUTLEN 4096 /* * The implementation of spdylay_on_data_chunk_recv_callback type. We * use this function to print the received response body. */ static void on_data_chunk_recv_callback(spdylay_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { (void)user_data; (void)flags; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { spdylay_printf("[INFO] C <---------------------------- S (DATA)\n"); spdylay_printf(" %lu bytes\n", (unsigned long int)len); if(req->inflater) { while(len > 0) { uint8_t out[MAX_OUTLEN]; size_t outlen = MAX_OUTLEN; size_t tlen = len; int rv; rv = spdylay_gzip_inflate(req->inflater, out, &outlen, data, &tlen); if(rv == -1) { spdylay_submit_rst_stream(session, stream_id, SPDYLAY_INTERNAL_ERROR); break; } fwrite(out, 1, outlen, stdout); data += tlen; len -= tlen; } } else { /* TODO add support gzip */ fwrite(data, 1, len, stdout); //check if the data is correct if(strcmp(RESPONSE_BODY, (char *)data) != 0) killparent(parent, "\nreceived data is not the same"); } spdylay_printf("\n"); } } /* * Setup callback functions. Spdylay API offers many callback * functions, but most of them are optional. The send_callback is * always required. Since we use spdylay_session_recv(), the * recv_callback is also required. */ static void setup_spdylay_callbacks(spdylay_session_callbacks *callbacks) { memset(callbacks, 0, sizeof(spdylay_session_callbacks)); callbacks->send_callback = send_callback; callbacks->recv_callback = recv_callback; callbacks->before_ctrl_send_callback = before_ctrl_send_callback; callbacks->on_ctrl_send_callback = on_ctrl_send_callback; callbacks->on_ctrl_recv_callback = on_ctrl_recv_callback; callbacks->on_stream_close_callback = on_stream_close_callback; callbacks->on_data_chunk_recv_callback = on_data_chunk_recv_callback; } /* * Callback function for SSL/TLS NPN. Since this program only supports * SPDY protocol, if server does not offer SPDY protocol the Spdylay * library supports, we terminate program. */ static int select_next_proto_cb(SSL* ssl, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { (void)ssl; int rv; uint16_t *spdy_proto_version; /* spdylay_select_next_protocol() selects SPDY protocol version the Spdylay library supports. */ rv = spdylay_select_next_protocol(out, outlen, in, inlen); if(rv <= 0) { die("Server did not advertise spdy/2 or spdy/3 protocol."); } spdy_proto_version = (uint16_t*)arg; *spdy_proto_version = rv; return SSL_TLSEXT_ERR_OK; } /* * Setup SSL context. We pass |spdy_proto_version| to get negotiated * SPDY protocol version in NPN callback. */ static void init_ssl_ctx(SSL_CTX *ssl_ctx, uint16_t *spdy_proto_version) { /* Disable SSLv2 and enable all workarounds for buggy servers */ SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS); /* Set NPN callback */ SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, spdy_proto_version); } static void ssl_handshake(SSL *ssl, int fd) { int rv; if(SSL_set_fd(ssl, fd) == 0) { dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL)); } ERR_clear_error(); rv = SSL_connect(ssl); if(rv <= 0) { dief("SSL_connect", ERR_error_string(ERR_get_error(), NULL)); } } /* * Connects to the host |host| and port |port|. This function returns * the file descriptor of the client socket. */ static int connect_to(const char *host, uint16_t port) { struct addrinfo hints; int fd = -1; int rv; char service[NI_MAXSERV]; struct addrinfo *res, *rp; snprintf(service, sizeof(service), "%u", port); memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_STREAM; rv = getaddrinfo(host, service, &hints, &res); if(rv != 0) { dief("getaddrinfo", gai_strerror(rv)); } for(rp = res; rp; rp = rp->ai_next) { fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if(fd == -1) { continue; } while((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 && errno == EINTR); if(rv == 0) { break; } close(fd); fd = -1; } freeaddrinfo(res); return fd; } static void make_non_block(int fd) { int flags, rv; while((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR); if(flags == -1) { dief("fcntl", strerror(errno)); } while((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR); if(rv == -1) { dief("fcntl", strerror(errno)); } } /* * Setting TCP_NODELAY is not mandatory for the SPDY protocol. */ static void set_tcp_nodelay(int fd) { int val = 1; int rv; rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(rv == -1) { dief("setsockopt", strerror(errno)); } } /* * Update |pollfd| based on the state of |connection|. */ static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) { pollfd->events = 0; if(spdylay_session_want_read(connection->session) || connection->want_io == WANT_READ) { pollfd->events |= POLLIN; } if(spdylay_session_want_write(connection->session) || connection->want_io == WANT_WRITE) { pollfd->events |= POLLOUT; } } /* * Submits the request |req| to the connection |connection|. This * function does not send packets; just append the request to the * internal queue in |connection->session|. */ static void submit_request(struct Connection *connection, struct Request *req) { int pri = 0; int rv; const char *nv[15]; /* We always use SPDY/3 style header even if the negotiated protocol version is SPDY/2. The library translates the header name as necessary. Make sure that the last item is NULL! */ nv[0] = ":method"; nv[1] = "GET"; nv[2] = ":path"; nv[3] = req->path; nv[4] = ":version"; nv[5] = "HTTP/1.1"; nv[6] = ":scheme"; nv[7] = "https"; nv[8] = ":host"; nv[9] = req->hostport; nv[10] = "accept"; nv[11] = "*/*"; nv[12] = "user-agent"; nv[13] = "spdylay/"SPDYLAY_VERSION; nv[14] = NULL; rv = spdylay_submit_request(connection->session, pri, nv, NULL, req); if(rv != 0) { diec("spdylay_submit_request", rv); } } /* * Performs the network I/O. */ static void exec_io(struct Connection *connection) { int rv; rv = spdylay_session_recv(connection->session); if(rv != 0) { diec("spdylay_session_recv", rv); } rv = spdylay_session_send(connection->session); if(rv != 0) { diec("spdylay_session_send", rv); } } static void request_init(struct Request *req, const struct URI *uri) { req->host = strcopy(uri->host, uri->hostlen); req->port = uri->port; req->path = strcopy(uri->path, uri->pathlen); req->hostport = strcopy(uri->hostport, uri->hostportlen); req->stream_id = -1; req->inflater = NULL; } static void request_free(struct Request *req) { free(req->host); free(req->path); free(req->hostport); spdylay_gzip_inflate_del(req->inflater); } /* * Fetches the resource denoted by |uri|. */ static void fetch_uri(const struct URI *uri) { spdylay_session_callbacks callbacks; int fd; SSL_CTX *ssl_ctx; SSL *ssl; struct Request req; struct Connection connection; int rv; nfds_t npollfds = 1; struct pollfd pollfds[1]; uint16_t spdy_proto_version; request_init(&req, uri); setup_spdylay_callbacks(&callbacks); /* Establish connection and setup SSL */ fd = connect_to(req.host, req.port); ssl_ctx = SSL_CTX_new(SSLv23_client_method()); if(ssl_ctx == NULL) { dief("SSL_CTX_new", ERR_error_string(ERR_get_error(), NULL)); } init_ssl_ctx(ssl_ctx, &spdy_proto_version); ssl = SSL_new(ssl_ctx); if(ssl == NULL) { dief("SSL_new", ERR_error_string(ERR_get_error(), NULL)); } /* To simplify the program, we perform SSL/TLS handshake in blocking I/O. */ ssl_handshake(ssl, fd); connection.ssl = ssl; connection.want_io = IO_NONE; /* Here make file descriptor non-block */ make_non_block(fd); set_tcp_nodelay(fd); spdylay_printf("[INFO] SPDY protocol version = %d\n", spdy_proto_version); rv = spdylay_session_client_new(&connection.session, spdy_proto_version, &callbacks, &connection); if(rv != 0) { diec("spdylay_session_client_new", rv); } /* Submit the HTTP request to the outbound queue. */ submit_request(&connection, &req); pollfds[0].fd = fd; ctl_poll(pollfds, &connection); /* Event loop */ while(spdylay_session_want_read(connection.session) || spdylay_session_want_write(connection.session)) { int nfds = poll(pollfds, npollfds, -1); if(nfds == -1) { dief("poll", strerror(errno)); } if(pollfds[0].revents & (POLLIN | POLLOUT)) { exec_io(&connection); } if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) { die("Connection error"); } ctl_poll(pollfds, &connection); } /* Resource cleanup */ spdylay_session_del(connection.session); SSL_shutdown(ssl); SSL_free(ssl); SSL_CTX_free(ssl_ctx); shutdown(fd, SHUT_WR); close(fd); request_free(&req); } static int parse_uri(struct URI *res, const char *uri) { /* We only interested in https */ size_t len, i, offset; memset(res, 0, sizeof(struct URI)); len = strlen(uri); if(len < 9 || memcmp("https://", uri, 8) != 0) { return -1; } offset = 8; res->host = res->hostport = &uri[offset]; res->hostlen = 0; if(uri[offset] == '[') { /* IPv6 literal address */ ++offset; ++res->host; for(i = offset; i < len; ++i) { if(uri[i] == ']') { res->hostlen = i-offset; offset = i+1; break; } } } else { const char delims[] = ":/?#"; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } } res->hostlen = i-offset; offset = i; } if(res->hostlen == 0) { return -1; } /* Assuming https */ res->port = 443; if(offset < len) { if(uri[offset] == ':') { /* port */ const char delims[] = "/?#"; int port = 0; ++offset; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } if('0' <= uri[i] && uri[i] <= '9') { port *= 10; port += uri[i]-'0'; if(port > 65535) { return -1; } } else { return -1; } } if(port == 0) { return -1; } offset = i; res->port = port; } } res->hostportlen = uri+offset-res->host; for(i = offset; i < len; ++i) { if(uri[i] == '#') { break; } } if(i-offset == 0) { res->path = "/"; res->pathlen = 1; } else { res->path = &uri[offset]; res->pathlen = i-offset; } return 0; } /***** * end of code needed to utilize spdylay */ /***** * start of code needed to utilize microspdy */ void new_session_callback (void *cls, struct SPDY_Session * session) { char ipstr[1024]; struct sockaddr *addr; socklen_t addr_len = SPDY_get_remote_addr(session, &addr); if(!addr_len) { printf("SPDY_get_remote_addr"); abort(); } if(strcmp(CLS,cls)!=0) { killchild(child,"wrong cls"); } if(AF_INET == addr->sa_family) { struct sockaddr_in * addr4 = (struct sockaddr_in *) addr; if(NULL == inet_ntop(AF_INET, &(addr4->sin_addr), ipstr, sizeof(ipstr))) { killchild(child,"inet_ntop"); } printf("New connection from: %s:%i\n", ipstr, ntohs(addr4->sin_port)); loop = 0; } #if HAVE_INET6 else if(AF_INET6 == addr->sa_family) { struct sockaddr_in6 * addr6 = (struct sockaddr_in6 *) addr; if(NULL == inet_ntop(AF_INET6, &(addr6->sin6_addr), ipstr, sizeof(ipstr))) { killchild(child,"inet_ntop"); } printf("New connection from: %s:%i\n", ipstr, ntohs(addr6->sin6_port)); loop = 0; } #endif else { killchild(child,"wrong family"); } } /***** * end of code needed to utilize microspdy */ //child process void childproc(int parent) { struct URI uri; struct sigaction act; int rv; char *uristr; memset(&act, 0, sizeof(struct sigaction)); act.sa_handler = SIG_IGN; sigaction(SIGPIPE, &act, 0); asprintf(&uristr, "https://127.0.0.1:%i/",port); SSL_load_error_strings(); SSL_library_init(); rv = parse_uri(&uri, uristr); if(rv != 0) { killparent(parent,"parse_uri failed"); } fetch_uri(&uri); } //parent proc int parentproc(int child) { int childstatus = 0; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; SPDY_init(); daemon = SPDY_start_daemon(port, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", &new_session_callback,NULL,NULL,NULL,CLS,SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); killchild(child, "select error"); break; case 0: break; default: SPDY_run(daemon); break; } } while(loop && waitpid(child,&childstatus,WNOHANG) != child); SPDY_stop_daemon(daemon); SPDY_deinit(); if(loop) return WEXITSTATUS(childstatus); if(waitpid(child,&childstatus,WNOHANG) == child) return WEXITSTATUS(childstatus); kill(child,SIGKILL); waitpid(child,&childstatus,0); return 0; } int main() { port = get_port(14123); parent = getpid(); child = fork(); if (child == -1) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { childproc(parent); _exit(0); } else { int ret = parentproc(child); exit(ret); } return 1; } libmicrohttpd-0.9.33/src/testspdy/test_struct_namevalue.c0000644000175000017500000002073412202003706020623 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file struct_namevalue.c * @brief tests all the API functions for handling struct SPDY_NameValue * @author Andrey Uzunov */ #include "platform.h" #include "microspdy.h" #include "common.h" #include "../microspdy/structures.h" #include "../microspdy/alstructures.h" char *pairs[] = {"one","1","two","2","three","3","four","4","five","5"}; char *pairs_with_dups[] = {"one","1","two","2","one","11","two","22","three","3","two","222","two","2222","four","","five","5"};//82 char *pairs_with_empty[] = {"name","","name","value"}; char *pairs_different[] = {"30","thirty","40","fouthy"}; int size; int size2; int brake_at = 3; bool flag; int iterate_cb (void *cls, const char *name, const char * const * value, int num_values) { int *c = (int*)cls; if(*c < 0 || *c > size) exit(11); if(strcmp(name,pairs[*c]) != 0) { FAIL_TEST("name is wrong\n"); } if(1 != num_values) { FAIL_TEST("num_values is wrong\n"); } if(strcmp(value[0],pairs[(*c)+1]) != 0) { FAIL_TEST("value is wrong\n"); } (*c)+=2; return SPDY_YES; } int iterate_brake_cb (void *cls, const char *name, const char * const *value, int num_values) { (void)name; (void)value; (void)num_values; int *c = (int*)cls; if(*c < 0 || *c >= brake_at) { FAIL_TEST("iteration was not interrupted\n"); } (*c)++; if(*c == brake_at) return SPDY_NO; return SPDY_YES; } int main() { SPDY_init(); const char *const*value; const char *const*value2; int i; int j; int cls = 0; int ret; int ret2; void *ob1; void *ob2; void *ob3; void *stream; char data[] = "anything"; struct SPDY_NameValue *container; struct SPDY_NameValue *container2; struct SPDY_NameValue *container3; struct SPDY_NameValue *container_arr[2]; size = sizeof(pairs)/sizeof(pairs[0]); if(NULL == (container = SPDY_name_value_create ())) { FAIL_TEST("SPDY_name_value_create failed\n"); } if(NULL != SPDY_name_value_lookup (container, "anything", &ret)) { FAIL_TEST("SPDY_name_value_lookup failed\n"); } if(SPDY_name_value_iterate (container, NULL, NULL) != 0) { FAIL_TEST("SPDY_name_value_iterate failed\n"); } for(i=0;i= 0; i-=2) { value = SPDY_name_value_lookup(container,pairs[i], &ret); if(NULL == value || 1 !=ret || strcmp(value[0], pairs[i+1]) != 0) { printf("%p; %i; %i\n", value, ret, strcmp(value[0], pairs[i+1])); FAIL_TEST("SPDY_name_value_lookup failed\n"); } } SPDY_name_value_iterate (container, &iterate_cb, &cls); cls = 0; if(SPDY_name_value_iterate (container, &iterate_brake_cb, &cls) != brake_at) { FAIL_TEST("SPDY_name_value_iterate with brake failed\n"); } SPDY_name_value_destroy(container); //check everything with NULL values for(i=0; i<6; ++i) { printf("%i ",i); ob1 = (i & 4) ? data : NULL; ob2 = (i & 2) ? data : NULL; ob3 = (i & 1) ? data : NULL; if(SPDY_INPUT_ERROR != SPDY_name_value_add(ob1,ob2,ob3)) { FAIL_TEST("SPDY_name_value_add with NULLs failed\n"); } } printf("\n"); fflush(stdout); if(SPDY_INPUT_ERROR != SPDY_name_value_iterate(NULL,NULL,NULL)) { FAIL_TEST("SPDY_name_value_iterate with NULLs failed\n"); } for(i=0; i<7; ++i) { printf("%i ",i); ob1 = (i & 4) ? data : NULL; ob2 = (i & 2) ? data : NULL; ob3 = (i & 1) ? data : NULL; if(NULL != SPDY_name_value_lookup(ob1,ob2,ob3)) { FAIL_TEST("SPDY_name_value_lookup with NULLs failed\n"); } } printf("\n"); SPDY_name_value_destroy(NULL); if(NULL == (container = SPDY_name_value_create ())) { FAIL_TEST("SPDY_name_value_create failed\n"); } size = sizeof(pairs_with_dups)/sizeof(pairs_with_dups[0]); for(i=0;i= 0; i-=2) { value = SPDY_name_value_lookup(container,pairs_with_dups[i], &ret); if(NULL == value) { FAIL_TEST("SPDY_name_value_lookup failed\n"); } flag = false; for(j=0; j (ret = SPDYF_name_value_to_stream(container_arr, 2, &stream)) || NULL == stream) FAIL_TEST("SPDYF_name_value_to_stream failed\n"); ret = SPDYF_name_value_from_stream(stream, ret, &container3); if(SPDY_YES != ret) FAIL_TEST("SPDYF_name_value_from_stream failed\n"); if(SPDY_name_value_iterate(container3, NULL, NULL) != (SPDY_name_value_iterate(container, NULL, NULL) + SPDY_name_value_iterate(container2, NULL, NULL))) FAIL_TEST("SPDYF_name_value_from_stream failed\n"); for(i=size - 2; i >= 0; i-=2) { value = SPDY_name_value_lookup(container,pairs_with_dups[i], &ret); if(NULL == value) FAIL_TEST("SPDY_name_value_lookup failed\n"); value2 = SPDY_name_value_lookup(container3,pairs_with_dups[i], &ret2); if(NULL == value2) FAIL_TEST("SPDY_name_value_lookup failed\n"); for(j=0; j= 0; i-=2) { value = SPDY_name_value_lookup(container2,pairs_different[i], &ret); if(NULL == value) FAIL_TEST("SPDY_name_value_lookup failed\n"); value2 = SPDY_name_value_lookup(container3,pairs_different[i], &ret2); if(NULL == value2) FAIL_TEST("SPDY_name_value_lookup failed\n"); for(j=0; j. */ /** * @file request_response.c * @brief tests receiving request and sending response. spdycli.c (spdylay) * code is reused here * @author Andrey Uzunov * @author Tatsuhiro Tsujikawa */ #include "platform.h" #include "microspdy.h" #include #include "common.h" #define RESPONSE_BODY "Hi, this is libmicrospdy!" #define CLS "anything" pid_t parent; pid_t child; char *rcvbuf; int rcvbuf_c = 0; int session_closed_called = 0; void killchild(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); exit(1); } void killparent(int pid, char *message) { printf("%s\n",message); kill(pid, SIGKILL); _exit(1); } /***** * start of code needed to utilize spdylay */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include enum { IO_NONE, WANT_READ, WANT_WRITE }; struct Connection { SSL *ssl; spdylay_session *session; /* WANT_READ if SSL connection needs more input; or WANT_WRITE if it needs more output; or IO_NONE. This is necessary because SSL/TLS re-negotiation is possible at any time. Spdylay API offers similar functions like spdylay_session_want_read() and spdylay_session_want_write() but they do not take into account SSL connection. */ int want_io; }; struct Request { char *host; uint16_t port; /* In this program, path contains query component as well. */ char *path; /* This is the concatenation of host and port with ":" in between. */ char *hostport; /* Stream ID for this request. */ int32_t stream_id; /* The gzip stream inflater for the compressed response. */ spdylay_gzip *inflater; }; struct URI { const char *host; size_t hostlen; uint16_t port; /* In this program, path contains query component as well. */ const char *path; size_t pathlen; const char *hostport; size_t hostportlen; }; /* * Returns copy of string |s| with the length |len|. The returned * string is NULL-terminated. */ static char* strcopy(const char *s, size_t len) { char *dst; dst = malloc(len+1); memcpy(dst, s, len); dst[len] = '\0'; return dst; } /* * Prints error message |msg| and exit. */ static void die(const char *msg) { fprintf(stderr, "FATAL: %s\n", msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and message |msg| * and exit. */ static void dief(const char *func, const char *msg) { fprintf(stderr, "FATAL: %s: %s\n", func, msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and error code * |error_code| and exit. */ static void diec(const char *func, int error_code) { fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code, spdylay_strerror(error_code)); exit(EXIT_FAILURE); } /* * Check response is content-encoding: gzip. We need this because SPDY * client is required to support gzip. */ static void check_gzip(struct Request *req, char **nv) { int gzip = 0; size_t i; for(i = 0; nv[i]; i += 2) { if(strcmp("content-encoding", nv[i]) == 0) { gzip = strcmp("gzip", nv[i+1]) == 0; break; } } if(gzip) { int rv; if(req->inflater) { return; } rv = spdylay_gzip_inflate_new(&req->inflater); if(rv != 0) { die("Can't allocate inflate stream."); } } } /* * The implementation of spdylay_send_callback type. Here we write * |data| with size |length| to the network and return the number of * bytes actually written. See the documentation of * spdylay_send_callback for the details. */ static ssize_t send_callback(spdylay_session *session, const uint8_t *data, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; ERR_clear_error(); rv = SSL_write(connection->ssl, data, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io = (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } return rv; } /* * The implementation of spdylay_recv_callback type. Here we read data * from the network and write them in |buf|. The capacity of |buf| is * |length| bytes. Returns the number of bytes stored in |buf|. See * the documentation of spdylay_recv_callback for the details. */ static ssize_t recv_callback(spdylay_session *session, uint8_t *buf, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct Connection *connection; ssize_t rv; connection = (struct Connection*)user_data; connection->want_io = IO_NONE; ERR_clear_error(); rv = SSL_read(connection->ssl, buf, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io = (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } else if(rv == 0) { rv = SPDYLAY_ERR_EOF; } return rv; } /* * The implementation of spdylay_before_ctrl_send_callback type. We * use this function to get stream ID of the request. This is because * stream ID is not known when we submit the request * (spdylay_submit_request). */ static void before_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; if(type == SPDYLAY_SYN_STREAM) { struct Request *req; int stream_id = frame->syn_stream.stream_id; req = spdylay_session_get_stream_user_data(session, stream_id); if(req && req->stream_id == -1) { req->stream_id = stream_id; printf("[INFO] Stream ID = %d\n", stream_id); } } } static void on_ctrl_send_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_STREAM: nv = frame->syn_stream.nv; name = "SYN_STREAM"; stream_id = frame->syn_stream.stream_id; break; default: break; } if(name && spdylay_session_get_stream_user_data(session, stream_id)) { printf("[INFO] C ----------------------------> S (%s)\n", name); for(i = 0; nv[i]; i += 2) { printf(" %s: %s\n", nv[i], nv[i+1]); } } } static void on_ctrl_recv_callback(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; struct Request *req; char **nv; const char *name = NULL; int32_t stream_id; size_t i; switch(type) { case SPDYLAY_SYN_REPLY: nv = frame->syn_reply.nv; name = "SYN_REPLY"; stream_id = frame->syn_reply.stream_id; break; case SPDYLAY_HEADERS: nv = frame->headers.nv; name = "HEADERS"; stream_id = frame->headers.stream_id; break; default: break; } if(!name) { return; } req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { check_gzip(req, nv); printf("[INFO] C <---------------------------- S (%s)\n", name); for(i = 0; nv[i]; i += 2) { printf(" %s: %s\n", nv[i], nv[i+1]); } } } /* * The implementation of spdylay_on_stream_close_callback type. We use * this function to know the response is fully received. Since we just * fetch 1 resource in this program, after reception of the response, * we submit GOAWAY and close the session. */ static void on_stream_close_callback(spdylay_session *session, int32_t stream_id, spdylay_status_code status_code, void *user_data) { (void)user_data; (void)status_code; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { int rv; rv = spdylay_submit_goaway(session, SPDYLAY_GOAWAY_OK); if(rv != 0) { diec("spdylay_submit_goaway", rv); } } } #define MAX_OUTLEN 4096 /* * The implementation of spdylay_on_data_chunk_recv_callback type. We * use this function to print the received response body. */ static void on_data_chunk_recv_callback(spdylay_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { (void)user_data; (void)flags; struct Request *req; req = spdylay_session_get_stream_user_data(session, stream_id); if(req) { printf("[INFO] C <---------------------------- S (DATA)\n"); printf(" %lu bytes\n", (unsigned long int)len); if(req->inflater) { while(len > 0) { uint8_t out[MAX_OUTLEN]; size_t outlen = MAX_OUTLEN; size_t tlen = len; int rv; rv = spdylay_gzip_inflate(req->inflater, out, &outlen, data, &tlen); if(rv == -1) { spdylay_submit_rst_stream(session, stream_id, SPDYLAY_INTERNAL_ERROR); break; } fwrite(out, 1, outlen, stdout); data += tlen; len -= tlen; } } else { /* TODO add support gzip */ fwrite(data, 1, len, stdout); //check if the data is correct //if(strcmp(RESPONSE_BODY, data) != 0) //killparent(parent, "\nreceived data is not the same"); if(len + rcvbuf_c > strlen(RESPONSE_BODY)) killparent(parent, "\nreceived data is not the same"); strcpy(rcvbuf + rcvbuf_c,(char*)data); rcvbuf_c+=len; } printf("\n"); } } /* * Setup callback functions. Spdylay API offers many callback * functions, but most of them are optional. The send_callback is * always required. Since we use spdylay_session_recv(), the * recv_callback is also required. */ static void setup_spdylay_callbacks(spdylay_session_callbacks *callbacks) { memset(callbacks, 0, sizeof(spdylay_session_callbacks)); callbacks->send_callback = send_callback; callbacks->recv_callback = recv_callback; callbacks->before_ctrl_send_callback = before_ctrl_send_callback; callbacks->on_ctrl_send_callback = on_ctrl_send_callback; callbacks->on_ctrl_recv_callback = on_ctrl_recv_callback; callbacks->on_stream_close_callback = on_stream_close_callback; callbacks->on_data_chunk_recv_callback = on_data_chunk_recv_callback; } /* * Callback function for SSL/TLS NPN. Since this program only supports * SPDY protocol, if server does not offer SPDY protocol the Spdylay * library supports, we terminate program. */ static int select_next_proto_cb(SSL* ssl, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { (void)ssl; int rv; uint16_t *spdy_proto_version; /* spdylay_select_next_protocol() selects SPDY protocol version the Spdylay library supports. */ rv = spdylay_select_next_protocol(out, outlen, in, inlen); if(rv <= 0) { die("Server did not advertise spdy/2 or spdy/3 protocol."); } spdy_proto_version = (uint16_t*)arg; *spdy_proto_version = rv; return SSL_TLSEXT_ERR_OK; } /* * Setup SSL context. We pass |spdy_proto_version| to get negotiated * SPDY protocol version in NPN callback. */ static void init_ssl_ctx(SSL_CTX *ssl_ctx, uint16_t *spdy_proto_version) { /* Disable SSLv2 and enable all workarounds for buggy servers */ SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS); /* Set NPN callback */ SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, spdy_proto_version); } static void ssl_handshake(SSL *ssl, int fd) { int rv; if(SSL_set_fd(ssl, fd) == 0) { dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL)); } ERR_clear_error(); rv = SSL_connect(ssl); if(rv <= 0) { dief("SSL_connect", ERR_error_string(ERR_get_error(), NULL)); } } /* * Connects to the host |host| and port |port|. This function returns * the file descriptor of the client socket. */ static int connect_to(const char *host, uint16_t port) { struct addrinfo hints; int fd = -1; int rv; char service[NI_MAXSERV]; struct addrinfo *res, *rp; snprintf(service, sizeof(service), "%u", port); memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_STREAM; rv = getaddrinfo(host, service, &hints, &res); if(rv != 0) { dief("getaddrinfo", gai_strerror(rv)); } for(rp = res; rp; rp = rp->ai_next) { fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if(fd == -1) { continue; } while((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 && errno == EINTR); if(rv == 0) { break; } close(fd); fd = -1; } freeaddrinfo(res); return fd; } static void make_non_block(int fd) { int flags, rv; while((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR); if(flags == -1) { dief("fcntl", strerror(errno)); } while((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR); if(rv == -1) { dief("fcntl", strerror(errno)); } } /* * Setting TCP_NODELAY is not mandatory for the SPDY protocol. */ static void set_tcp_nodelay(int fd) { int val = 1; int rv; rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(rv == -1) { dief("setsockopt", strerror(errno)); } } /* * Update |pollfd| based on the state of |connection|. */ static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) { pollfd->events = 0; if(spdylay_session_want_read(connection->session) || connection->want_io == WANT_READ) { pollfd->events |= POLLIN; } if(spdylay_session_want_write(connection->session) || connection->want_io == WANT_WRITE) { pollfd->events |= POLLOUT; } } /* * Submits the request |req| to the connection |connection|. This * function does not send packets; just append the request to the * internal queue in |connection->session|. */ static void submit_request(struct Connection *connection, struct Request *req) { int pri = 0; int rv; const char *nv[15]; /* We always use SPDY/3 style header even if the negotiated protocol version is SPDY/2. The library translates the header name as necessary. Make sure that the last item is NULL! */ nv[0] = ":method"; nv[1] = "GET"; nv[2] = ":path"; nv[3] = req->path; nv[4] = ":version"; nv[5] = "HTTP/1.1"; nv[6] = ":scheme"; nv[7] = "https"; nv[8] = ":host"; nv[9] = req->hostport; nv[10] = "accept"; nv[11] = "*/*"; nv[12] = "user-agent"; nv[13] = "spdylay/"SPDYLAY_VERSION; nv[14] = NULL; rv = spdylay_submit_request(connection->session, pri, nv, NULL, req); if(rv != 0) { diec("spdylay_submit_request", rv); } } /* * Performs the network I/O. */ static void exec_io(struct Connection *connection) { int rv; rv = spdylay_session_recv(connection->session); if(rv != 0) { diec("spdylay_session_recv", rv); } rv = spdylay_session_send(connection->session); if(rv != 0) { diec("spdylay_session_send", rv); } } static void request_init(struct Request *req, const struct URI *uri) { req->host = strcopy(uri->host, uri->hostlen); req->port = uri->port; req->path = strcopy(uri->path, uri->pathlen); req->hostport = strcopy(uri->hostport, uri->hostportlen); req->stream_id = -1; req->inflater = NULL; } static void request_free(struct Request *req) { free(req->host); free(req->path); free(req->hostport); spdylay_gzip_inflate_del(req->inflater); } /* * Fetches the resource denoted by |uri|. */ static void fetch_uri(const struct URI *uri) { spdylay_session_callbacks callbacks; int fd; SSL_CTX *ssl_ctx; SSL *ssl; struct Request req; struct Connection connection; int rv; nfds_t npollfds = 1; struct pollfd pollfds[1]; uint16_t spdy_proto_version; request_init(&req, uri); setup_spdylay_callbacks(&callbacks); /* Establish connection and setup SSL */ fd = connect_to(req.host, req.port); ssl_ctx = SSL_CTX_new(SSLv23_client_method()); if(ssl_ctx == NULL) { dief("SSL_CTX_new", ERR_error_string(ERR_get_error(), NULL)); } init_ssl_ctx(ssl_ctx, &spdy_proto_version); ssl = SSL_new(ssl_ctx); if(ssl == NULL) { dief("SSL_new", ERR_error_string(ERR_get_error(), NULL)); } /* To simplify the program, we perform SSL/TLS handshake in blocking I/O. */ ssl_handshake(ssl, fd); connection.ssl = ssl; connection.want_io = IO_NONE; /* Here make file descriptor non-block */ make_non_block(fd); set_tcp_nodelay(fd); printf("[INFO] SPDY protocol version = %d\n", spdy_proto_version); rv = spdylay_session_client_new(&connection.session, spdy_proto_version, &callbacks, &connection); if(rv != 0) { diec("spdylay_session_client_new", rv); } /* Submit the HTTP request to the outbound queue. */ submit_request(&connection, &req); pollfds[0].fd = fd; ctl_poll(pollfds, &connection); /* Event loop */ while(spdylay_session_want_read(connection.session) || spdylay_session_want_write(connection.session)) { int nfds = poll(pollfds, npollfds, -1); if(nfds == -1) { dief("poll", strerror(errno)); } if(pollfds[0].revents & (POLLIN | POLLOUT)) { exec_io(&connection); } if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) { die("Connection error"); } ctl_poll(pollfds, &connection); } /* Resource cleanup */ spdylay_session_del(connection.session); SSL_shutdown(ssl); SSL_free(ssl); SSL_CTX_free(ssl_ctx); shutdown(fd, SHUT_WR); close(fd); request_free(&req); } static int parse_uri(struct URI *res, const char *uri) { /* We only interested in https */ size_t len, i, offset; memset(res, 0, sizeof(struct URI)); len = strlen(uri); if(len < 9 || memcmp("https://", uri, 8) != 0) { return -1; } offset = 8; res->host = res->hostport = &uri[offset]; res->hostlen = 0; if(uri[offset] == '[') { /* IPv6 literal address */ ++offset; ++res->host; for(i = offset; i < len; ++i) { if(uri[i] == ']') { res->hostlen = i-offset; offset = i+1; break; } } } else { const char delims[] = ":/?#"; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } } res->hostlen = i-offset; offset = i; } if(res->hostlen == 0) { return -1; } /* Assuming https */ res->port = 443; if(offset < len) { if(uri[offset] == ':') { /* port */ const char delims[] = "/?#"; int port = 0; ++offset; for(i = offset; i < len; ++i) { if(strchr(delims, uri[i]) != NULL) { break; } if('0' <= uri[i] && uri[i] <= '9') { port *= 10; port += uri[i]-'0'; if(port > 65535) { return -1; } } else { return -1; } } if(port == 0) { return -1; } offset = i; res->port = port; } } res->hostportlen = uri+offset-res->host; for(i = offset; i < len; ++i) { if(uri[i] == '#') { break; } } if(i-offset == 0) { res->path = "/"; res->pathlen = 1; } else { res->path = &uri[offset]; res->pathlen = i-offset; } return 0; } /***** * end of code needed to utilize spdylay */ /***** * start of code needed to utilize microspdy */ void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)method; (void)version; struct SPDY_Response *response=NULL; if(strcmp(CLS,cls)!=0) { killchild(child,"wrong cls"); } if(false != more){ fprintf(stdout,"more has wrong value\n"); exit(5); } response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,RESPONSE_BODY,strlen(RESPONSE_BODY)); if(NULL==response){ fprintf(stdout,"no response obj\n"); exit(3); } if(SPDY_queue_response(request,response,true,false,NULL,(void*)strdup(path))!=SPDY_YES) { fprintf(stdout,"queue\n"); exit(4); } } void session_closed_handler (void *cls, struct SPDY_Session * session, int by_client) { printf("session_closed_handler called\n"); if(strcmp(CLS,cls)!=0) { killchild(child,"wrong cls"); } if(SPDY_YES != by_client) { //killchild(child,"wrong by_client"); printf("session closed by server\n"); } else { printf("session closed by client\n"); } if(NULL == session) { killchild(child,"session is NULL"); } session_closed_called = 1; } /***** * end of code needed to utilize microspdy */ //child process void childproc(int port) { struct URI uri; struct sigaction act; int rv; char *uristr; memset(&act, 0, sizeof(struct sigaction)); act.sa_handler = SIG_IGN; sigaction(SIGPIPE, &act, 0); asprintf(&uristr, "https://127.0.0.1:%i/",port); if(NULL == (rcvbuf = malloc(strlen(RESPONSE_BODY)+1))) killparent(parent,"no memory"); SSL_load_error_strings(); SSL_library_init(); rv = parse_uri(&uri, uristr); if(rv != 0) { killparent(parent,"parse_uri failed"); } fetch_uri(&uri); if(strcmp(rcvbuf, RESPONSE_BODY)) killparent(parent,"received data is different"); } //parent proc int parentproc( int port) { int childstatus; unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; SPDY_init(); daemon = SPDY_start_daemon(port, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", NULL,&session_closed_handler,&standard_request_handler,NULL,CLS,SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); killchild(child, "select error"); break; case 0: break; default: SPDY_run(daemon); break; } } while(waitpid(child,&childstatus,WNOHANG) != child); //give chance to the client to close socket and handle this in run usleep(100000); SPDY_run(daemon); SPDY_stop_daemon(daemon); SPDY_deinit(); return WEXITSTATUS(childstatus); } int main() { int port = get_port(12123); parent = getpid(); child = fork(); if (child == -1) { fprintf(stderr, "can't fork, error %d\n", errno); exit(EXIT_FAILURE); } if (child == 0) { childproc(port); _exit(0); } else { int ret = parentproc(port); if(1 == session_closed_called && 0 == ret) exit(0); else exit(ret ? ret : 21); } return 1; } libmicrohttpd-0.9.33/src/Makefile.in0000644000175000017500000004565312255340774014255 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; 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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file io_openssl.h * @brief TLS handling. openssl with NPN is used, but as long as the * functions conform to this interface file, other libraries * can be used. * @author Andrey Uzunov */ #ifndef IO_OPENSSL_H #define IO_OPENSSL_H #include "platform.h" #include "io.h" #include #include #include /** * Global initializing of openssl. Must be called only once in the program. * */ void SPDYF_openssl_global_init(); /** * Global deinitializing of openssl for the whole program. Should be called * at the end of the program. * */ void SPDYF_openssl_global_deinit(); /** * Initializing of openssl for a specific daemon. * Must be called when the daemon starts. * * @param daemon SPDY_Daemon for which openssl will be used. Daemon's * certificate and key file are used. * @return SPDY_YES on success or SPDY_NO on error */ int SPDYF_openssl_init(struct SPDY_Daemon *daemon); /** * Deinitializing openssl for a daemon. Should be called * when the deamon is stopped. * * @param daemon SPDY_Daemon which is being stopped */ void SPDYF_openssl_deinit(struct SPDY_Daemon *daemon); /** * Initializing openssl for a specific connection. Must be called * after the connection has been accepted. * * @param session SPDY_Session whose socket will be used by openssl * @return SPDY_NO if some openssl funcs fail. SPDY_YES otherwise */ int SPDYF_openssl_new_session(struct SPDY_Session *session); /** * Deinitializing openssl for a specific connection. Should be called * closing session's socket. * * @param session SPDY_Session whose socket is used by openssl */ void SPDYF_openssl_close_session(struct SPDY_Session *session); /** * Reading from a TLS socket. Reads available data and put it to the * buffer. * * @param session for which data is received * @param buffer where data from the socket will be written to * @param size of the buffer * @return number of bytes (at most size) read from the TLS connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ int SPDYF_openssl_recv(struct SPDY_Session *session, void * buffer, size_t size); /** * Writing to a TLS socket. Writes the data given into the buffer to the * TLS socket. * * @param session whose context is used * @param buffer from where data will be written to the socket * @param size number of bytes to be taken from the buffer * @return number of bytes (at most size) from the buffer that has been * written to the TLS connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ int SPDYF_openssl_send(struct SPDY_Session *session, const void * buffer, size_t size); /** * Checks if there is data staying in the buffers of the underlying * system that waits to be read. * * @param session which is checked * @return SPDY_YES if data is pending or SPDY_NO otherwise */ int SPDYF_openssl_is_pending(struct SPDY_Session *session); /** * Nothing. * * @param session * @return SPDY_NO if writing must not happen in the call; * SPDY_YES otherwise */ int SPDYF_openssl_before_write(struct SPDY_Session *session); /** * Nothing. * * @param session * @param was_written has the same value as the write function for the * session will return * @return returned value will be used by the write function to return */ int SPDYF_openssl_after_write(struct SPDY_Session *session, int was_written); #endif libmicrohttpd-0.9.33/src/microspdy/stream.c0000644000175000017500000001117512202003706015627 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file stream.c * @brief SPDY streams handling * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "session.h" int SPDYF_stream_new (struct SPDY_Session *session) { uint32_t stream_id; uint32_t assoc_stream_id; uint8_t priority; uint8_t slot; size_t buffer_pos = session->read_buffer_beginning; struct SPDYF_Stream *stream; struct SPDYF_Control_Frame *frame; if((session->read_buffer_offset - session->read_buffer_beginning) < 10) { //not all fields are received to create new stream return SPDY_NO; } frame = (struct SPDYF_Control_Frame *)session->frame_handler_cls; //get stream id of the new stream memcpy(&stream_id, session->read_buffer + session->read_buffer_beginning, 4); stream_id = NTOH31(stream_id); session->read_buffer_beginning += 4; if(stream_id <= session->last_in_stream_id || 0==(stream_id % 2)) { //wrong stream id sent by client //GOAWAY with PROTOCOL_ERROR MUST be sent //TODO //ignore frame session->frame_handler = &SPDYF_handler_ignore_frame; return SPDY_NO; } else if(session->is_goaway_sent) { //the client is not allowed to create new streams anymore //we MUST ignore the frame session->frame_handler = &SPDYF_handler_ignore_frame; return SPDY_NO; } //set highest stream id for session session->last_in_stream_id = stream_id; //get assoc stream id of the new stream //this value is used with SPDY PUSH, thus nothing to do with it here memcpy(&assoc_stream_id, session->read_buffer + session->read_buffer_beginning, 4); assoc_stream_id = NTOH31(assoc_stream_id); session->read_buffer_beginning += 4; //get stream priority (3 bits) //after it there are 5 bits that are not used priority = *(uint8_t *)(session->read_buffer + session->read_buffer_beginning) >> 5; session->read_buffer_beginning++; //get slot (see SPDY draft) slot = *(uint8_t *)(session->read_buffer + session->read_buffer_beginning); session->read_buffer_beginning++; if(NULL == (stream = malloc(sizeof(struct SPDYF_Stream)))) { SPDYF_DEBUG("No memory"); //revert buffer state session->read_buffer_beginning = buffer_pos; return SPDY_NO; } memset(stream,0, sizeof(struct SPDYF_Stream)); stream->session = session; stream->stream_id = stream_id; stream->assoc_stream_id = assoc_stream_id; stream->priority = priority; stream->slot = slot; stream->is_in_closed = (frame->flags & SPDY_SYN_STREAM_FLAG_FIN) != 0; stream->flag_unidirectional = (frame->flags & SPDY_SYN_STREAM_FLAG_UNIDIRECTIONAL) != 0; stream->is_out_closed = stream->flag_unidirectional; stream->is_server_initiator = false; stream->window_size = SPDYF_INITIAL_WINDOW_SIZE; //put the stream to the list of streams for the session DLL_insert(session->streams_head, session->streams_tail, stream); return SPDY_YES; } void SPDYF_stream_destroy(struct SPDYF_Stream *stream) { SPDY_name_value_destroy(stream->headers); free(stream); stream = NULL; } void SPDYF_stream_set_flags_on_write(struct SPDYF_Response_Queue *response_queue) { struct SPDYF_Stream * stream = response_queue->stream; if(NULL != response_queue->data_frame) { stream->is_out_closed = (bool)(response_queue->data_frame->flags & SPDY_DATA_FLAG_FIN); } else if(NULL != response_queue->control_frame) { switch(response_queue->control_frame->type) { case SPDY_CONTROL_FRAME_TYPES_SYN_REPLY: stream->is_out_closed = (bool)(response_queue->control_frame->flags & SPDY_SYN_REPLY_FLAG_FIN); break; case SPDY_CONTROL_FRAME_TYPES_RST_STREAM: if(NULL != stream) { stream->is_out_closed = true; stream->is_in_closed = true; } break; } } } //TODO add function *on_read struct SPDYF_Stream * SPDYF_stream_find(uint32_t stream_id, struct SPDY_Session * session) { struct SPDYF_Stream * stream = session->streams_head; while(NULL != stream && stream_id != stream->stream_id) { stream = stream->next; } return stream; } libmicrohttpd-0.9.33/src/microspdy/io.h0000644000175000017500000001273612213116407014761 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file io.h * @brief Signatures for IO functions. * @author Andrey Uzunov */ #ifndef IO_H #define IO_H #include "platform.h" #include "io_openssl.h" #include "io_raw.h" /** * Used for return code when reading and writing to the TLS socket. */ enum SPDY_IO_ERROR { /** * The connection was closed by the other party. */ SPDY_IO_ERROR_CLOSED = 0, /** * Any kind of error ocurred. The session has to be closed. */ SPDY_IO_ERROR_ERROR = -2, /** * The function had to return without processing any data. The whole * cycle of events has to be called again (SPDY_run) as something * either has to be written or read or the the syscall was * interrupted by a signal. */ SPDY_IO_ERROR_AGAIN = -3, }; /** * Global initializing. Must be called only once in the program. * */ typedef void (*SPDYF_IOGlobalInit) (); /** * Global deinitializing for the whole program. Should be called * at the end of the program. * */ typedef void (*SPDYF_IOGlobalDeinit) (); /** * Initializing of io context for a specific daemon. * Must be called when the daemon starts. * * @param daemon SPDY_Daemon for which io will be used. Daemon's * certificate and key file are used for tls. * @return SPDY_YES on success or SPDY_NO on error */ typedef int (*SPDYF_IOInit) (struct SPDY_Daemon *daemon); /** * Deinitializing io context for a daemon. Should be called * when the deamon is stopped. * * @param daemon SPDY_Daemon which is being stopped */ typedef void (*SPDYF_IODeinit) (struct SPDY_Daemon *daemon); /** * Initializing io for a specific connection. Must be called * after the connection has been accepted. * * @param session SPDY_Session whose socket will be used * @return SPDY_NO if some funcs inside fail. SPDY_YES otherwise */ typedef int (*SPDYF_IONewSession) (struct SPDY_Session *session); /** * Deinitializing io for a specific connection. Should be called * closing session's socket. * * @param session SPDY_Session whose socket is used */ typedef void (*SPDYF_IOCloseSession) (struct SPDY_Session *session); /** * Reading from session's socket. Reads available data and put it to the * buffer. * * @param session for which data is received * @param buffer where data from the socket will be written to * @param size of the buffer * @return number of bytes (at most size) read from the connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ typedef int (*SPDYF_IORecv) (struct SPDY_Session *session, void * buffer, size_t size); /** * Writing to session's socket. Writes the data given into the buffer to the * socket. * * @param session whose context is used * @param buffer from where data will be written to the socket * @param size number of bytes to be taken from the buffer * @return number of bytes (at most size) from the buffer that has been * written to the connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ typedef int (*SPDYF_IOSend) (struct SPDY_Session *session, const void * buffer, size_t size); /** * Checks if there is data staying in the buffers of the underlying * system that waits to be read. In case of TLS, this will call * something like SSL_pending(). * * @param session which is checked * @return SPDY_YES if data is pending or SPDY_NO otherwise */ typedef int (*SPDYF_IOIsPending) (struct SPDY_Session *session); /** * Called just before frames are about to be processed and written * to the socket. * * @param session * @return SPDY_NO if writing must not happen in the call; * SPDY_YES otherwise */ typedef int (*SPDYF_IOBeforeWrite) (struct SPDY_Session *session); /** * Called just after frames have been processed and written * to the socket. * * @param session * @param was_written has the same value as the write function for the * session will return * @return returned value will be used by the write function to return */ typedef int (*SPDYF_IOAfterWrite) (struct SPDY_Session *session, int was_written); /** * Sets callbacks for the daemon with regard to the IO subsystem. * * @param daemon * @param io_subsystem the IO subsystem that will * be initialized and used by daemon. * @return SPDY_YES on success or SPDY_NO otherwise */ int SPDYF_io_set_daemon(struct SPDY_Daemon *daemon, enum SPDY_IO_SUBSYSTEM io_subsystem); /** * Sets callbacks for the session with regard to the IO subsystem. * * @param session * @param io_subsystem the IO subsystem that will * be initialized and used by session. * @return SPDY_YES on success or SPDY_NO otherwise */ int SPDYF_io_set_session(struct SPDY_Session *session, enum SPDY_IO_SUBSYSTEM io_subsystem); #endif libmicrohttpd-0.9.33/src/microspdy/io.c0000644000175000017500000000512512213116407014746 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file io.c * @brief Generic functions for IO. * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "io.h" int SPDYF_io_set_daemon(struct SPDY_Daemon *daemon, enum SPDY_IO_SUBSYSTEM io_subsystem) { switch(io_subsystem) { case SPDY_IO_SUBSYSTEM_OPENSSL: daemon->fio_init = &SPDYF_openssl_init; daemon->fio_deinit = &SPDYF_openssl_deinit; break; case SPDY_IO_SUBSYSTEM_RAW: daemon->fio_init = &SPDYF_raw_init; daemon->fio_deinit = &SPDYF_raw_deinit; break; case SPDY_IO_SUBSYSTEM_NONE: default: SPDYF_DEBUG("Unsupported subsystem"); return SPDY_NO; } return SPDY_YES; } int SPDYF_io_set_session(struct SPDY_Session *session, enum SPDY_IO_SUBSYSTEM io_subsystem) { switch(io_subsystem) { case SPDY_IO_SUBSYSTEM_OPENSSL: session->fio_new_session = &SPDYF_openssl_new_session; session->fio_close_session = &SPDYF_openssl_close_session; session->fio_is_pending = &SPDYF_openssl_is_pending; session->fio_recv = &SPDYF_openssl_recv; session->fio_send = &SPDYF_openssl_send; session->fio_before_write = &SPDYF_openssl_before_write; session->fio_after_write = &SPDYF_openssl_after_write; break; case SPDY_IO_SUBSYSTEM_RAW: session->fio_new_session = &SPDYF_raw_new_session; session->fio_close_session = &SPDYF_raw_close_session; session->fio_is_pending = &SPDYF_raw_is_pending; session->fio_recv = &SPDYF_raw_recv; session->fio_send = &SPDYF_raw_send; session->fio_before_write = &SPDYF_raw_before_write; session->fio_after_write = &SPDYF_raw_after_write; break; case SPDY_IO_SUBSYSTEM_NONE: default: SPDYF_DEBUG("Unsupported subsystem"); return SPDY_NO; } return SPDY_YES; } libmicrohttpd-0.9.33/src/microspdy/structures.h0000644000175000017500000007405512202003706016572 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file structures.h * @brief internal and public structures -- most of the structs used by * the library are defined here * @author Andrey Uzunov */ #ifndef STRUCTURES_H #define STRUCTURES_H #include "platform.h" #include "microspdy.h" #include "io.h" /** * All possible SPDY control frame types. The number is used in the header * of the control frame. */ enum SPDY_CONTROL_FRAME_TYPES { /** * The SYN_STREAM control frame allows the sender to asynchronously * create a stream between the endpoints. */ SPDY_CONTROL_FRAME_TYPES_SYN_STREAM = 1, /** * SYN_REPLY indicates the acceptance of a stream creation by * the recipient of a SYN_STREAM frame. */ SPDY_CONTROL_FRAME_TYPES_SYN_REPLY = 2, /** * The RST_STREAM frame allows for abnormal termination of a stream. * When sent by the creator of a stream, it indicates the creator * wishes to cancel the stream. When sent by the recipient of a * stream, it indicates an error or that the recipient did not want * to accept the stream, so the stream should be closed. */ SPDY_CONTROL_FRAME_TYPES_RST_STREAM = 3, /** * A SETTINGS frame contains a set of id/value pairs for * communicating configuration data about how the two endpoints may * communicate. SETTINGS frames can be sent at any time by either * endpoint, are optionally sent, and are fully asynchronous. When * the server is the sender, the sender can request that * configuration data be persisted by the client across SPDY * sessions and returned to the server in future communications. */ SPDY_CONTROL_FRAME_TYPES_SETTINGS = 4, /** * The PING control frame is a mechanism for measuring a minimal * round-trip time from the sender. It can be sent from the client * or the server. Recipients of a PING frame should send an * identical frame to the sender as soon as possible (if there is * other pending data waiting to be sent, PING should take highest * priority). Each ping sent by a sender should use a unique ID. */ SPDY_CONTROL_FRAME_TYPES_PING = 6, /** * The GOAWAY control frame is a mechanism to tell the remote side * of the connection to stop creating streams on this session. It * can be sent from the client or the server. */ SPDY_CONTROL_FRAME_TYPES_GOAWAY = 7, /** * The HEADERS frame augments a stream with additional headers. It * may be optionally sent on an existing stream at any time. * Specific application of the headers in this frame is * application-dependent. The name/value header block within this * frame is compressed. */ SPDY_CONTROL_FRAME_TYPES_HEADERS = 8, /** * The WINDOW_UPDATE control frame is used to implement per stream * flow control in SPDY. Flow control in SPDY is per hop, that is, * only between the two endpoints of a SPDY connection. If there are * one or more intermediaries between the client and the origin * server, flow control signals are not explicitly forwarded by the * intermediaries. */ SPDY_CONTROL_FRAME_TYPES_WINDOW_UPDATE = 9, /** * The CREDENTIAL control frame is used by the client to send * additional client certificates to the server. A SPDY client may * decide to send requests for resources from different origins on * the same SPDY session if it decides that that server handles both * origins. For example if the IP address associated with both * hostnames matches and the SSL server certificate presented in the * initial handshake is valid for both hostnames. However, because * the SSL connection can contain at most one client certificate, * the client needs a mechanism to send additional client * certificates to the server. */ SPDY_CONTROL_FRAME_TYPES_CREDENTIAL = 11 }; /** * SPDY_SESSION_STATUS is used to show the current receiving state * of each session, i.e. what is expected to come now, and how it should * be handled. */ enum SPDY_SESSION_STATUS { /** * The session is in closing state, do not read read anything from * it. Do not write anything to it. */ SPDY_SESSION_STATUS_CLOSING = 0, /** * Wait for new SPDY frame to come. */ SPDY_SESSION_STATUS_WAIT_FOR_HEADER = 1, /** * The standard 8 byte header of the SPDY frame was received and * handled. Wait for the specific (sub)headers according to the * frame type. */ SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER = 2, /** * The specific (sub)headers were received and handled. Wait for the * "body", i.e. wait for the name/value pairs compressed by zlib. */ SPDY_SESSION_STATUS_WAIT_FOR_BODY = 3, /** * Ignore all the bytes read from the socket, e.g. larger frames. */ SPDY_SESSION_STATUS_IGNORE_BYTES= 4, /** * The session is in pre-closing state, do not read read anything * from it. In this state the output queue will be written to the * socket. */ SPDY_SESSION_STATUS_FLUSHING = 5, }; /** * Specific flags for the SYN_STREAM control frame. */ enum SPDY_SYN_STREAM_FLAG { /** * The sender won't send any more frames on this stream. */ SPDY_SYN_STREAM_FLAG_FIN = 1, /** * The sender creates this stream as unidirectional. */ SPDY_SYN_STREAM_FLAG_UNIDIRECTIONAL = 2 }; /** * Specific flags for the SYN_REPLY control frame. */ enum SPDY_SYN_REPLY_FLAG { /** * The sender won't send any more frames on this stream. */ SPDY_SYN_REPLY_FLAG_FIN = 1 }; /** * Specific flags for the data frame. */ enum SPDY_DATA_FLAG { /** * The sender won't send any more frames on this stream. */ SPDY_DATA_FLAG_FIN = 1, /** * The data in the frame is compressed. * This flag appears only in the draft on ietf.org but not on * chromium.org. */ SPDY_DATA_FLAG_COMPRESS = 2 }; /** * Status code within RST_STREAM control frame. */ enum SPDY_RST_STREAM_STATUS { /** * This is a generic error, and should only be used if a more * specific error is not available. */ SPDY_RST_STREAM_STATUS_PROTOCOL_ERROR = 1, /** * This is returned when a frame is received for a stream which is * not active. */ SPDY_RST_STREAM_STATUS_INVALID_STREAM = 2, /** * Indicates that the stream was refused before any processing has * been done on the stream. */ SPDY_RST_STREAM_STATUS_REFUSED_STREAM = 3, /** * Indicates that the recipient of a stream does not support the * SPDY version requested. */ SPDY_RST_STREAM_STATUS_UNSUPPORTED_VERSION = 4, /** * Used by the creator of a stream to indicate that the stream is * no longer needed. */ SPDY_RST_STREAM_STATUS_CANCEL = 5, /** * This is a generic error which can be used when the implementation * has internally failed, not due to anything in the protocol. */ SPDY_RST_STREAM_STATUS_INTERNAL_ERROR = 6, /** * The endpoint detected that its peer violated the flow control * protocol. */ SPDY_RST_STREAM_STATUS_FLOW_CONTROL_ERROR = 7, /** * The endpoint received a SYN_REPLY for a stream already open. */ SPDY_RST_STREAM_STATUS_STREAM_IN_USE = 8, /** * The endpoint received a data or SYN_REPLY frame for a stream * which is half closed. */ SPDY_RST_STREAM_STATUS_STREAM_ALREADY_CLOSED = 9, /** * The server received a request for a resource whose origin does * not have valid credentials in the client certificate vector. */ SPDY_RST_STREAM_STATUS_INVALID_CREDENTIALS = 10, /** * The endpoint received a frame which this implementation could not * support. If FRAME_TOO_LARGE is sent for a SYN_STREAM, HEADERS, * or SYN_REPLY frame without fully processing the compressed * portion of those frames, then the compression state will be * out-of-sync with the other endpoint. In this case, senders of * FRAME_TOO_LARGE MUST close the session. */ SPDY_RST_STREAM_STATUS_FRAME_TOO_LARGE = 11 }; /** * Status code within GOAWAY control frame. */ enum SPDY_GOAWAY_STATUS { /** * This is a normal session teardown. */ SPDY_GOAWAY_STATUS_OK = 0, /** * This is a generic error, and should only be used if a more * specific error is not available. */ SPDY_GOAWAY_STATUS_PROTOCOL_ERROR = 1, /** * This is a generic error which can be used when the implementation * has internally failed, not due to anything in the protocol. */ SPDY_GOAWAY_STATUS_INTERNAL_ERROR = 11 }; struct SPDYF_Stream; struct SPDYF_Response_Queue; /** * Callback for received new data chunk. * * @param cls client-defined closure * @param stream handler * @param buf data chunk from the data * @param size the size of the data chunk 'buf' in bytes * @param more false if this is the last frame received on this stream. Note: * true does not mean that more data will come, exceptional * situation is possible * @return SPDY_YES to continue calling the function, * SPDY_NO to stop calling the function for this stream */ typedef int (*SPDYF_NewDataCallback) (void * cls, struct SPDYF_Stream *stream, const void * buf, size_t size, bool more); /** * Callback for new stream. To be used in the application layer of the * lib. * * @param cls * @param stream the new stream * @return SPDY_YES on success, * SPDY_NO if error occurs */ typedef int (*SPDYF_NewStreamCallback) (void *cls, struct SPDYF_Stream * stream); /** * Callback to be called when the response queue object was handled and * the data was already sent. * * @param cls * @param response_queue the SPDYF_Response_Queue structure which will * be cleaned very soon * @param status shows if actually the response was sent or it was * discarded by the lib for any reason (e.g., closing session, * closing stream, stopping daemon, etc.). It is possible that * status indicates an error but part of the response (in one * or several frames) was sent to the client. */ typedef void (*SPDYF_ResponseQueueResultCallback) (void * cls, struct SPDYF_Response_Queue *response_queue, enum SPDY_RESPONSE_RESULT status); /** * Representation of the control frame's headers, which are common for * all types. */ struct __attribute__((__packed__)) SPDYF_Control_Frame { uint16_t version : 15; uint16_t control_bit : 1; /* always 1 for control frames */ uint16_t type; uint32_t flags : 8; uint32_t length : 24; }; /** * Representation of the data frame's headers. */ struct __attribute__((__packed__)) SPDYF_Data_Frame { uint32_t stream_id : 31; uint32_t control_bit : 1; /* always 0 for data frames */ uint32_t flags : 8; uint32_t length : 24; }; /** * Queue of the responses, to be handled (e.g. compressed) and sent later. */ struct SPDYF_Response_Queue { /** * This is a doubly-linked list. */ struct SPDYF_Response_Queue *next; /** * This is a doubly-linked list. */ struct SPDYF_Response_Queue *prev; /** * Stream (Request) for which is the response. */ struct SPDYF_Stream *stream; /** * Response structure with all the data (uncompressed headers) to be sent. */ struct SPDY_Response *response; /** * Control frame. The length field should be set after compressing * the headers! */ struct SPDYF_Control_Frame *control_frame; /** * Data frame. The length field should be set after compressing * the body! */ struct SPDYF_Data_Frame *data_frame; /** * Data to be sent: name/value pairs in control frames or body in data frames. */ void *data; /** * Specific handler for different frame types. */ int (* process_response_handler)(struct SPDY_Session *session); /** * Callback to be called when the last bytes from the response was sent * to the client. */ SPDYF_ResponseQueueResultCallback frqcb; /** * Closure for frqcb. */ void *frqcb_cls; /** * Callback to be used by the application layer. */ SPDY_ResponseResultCallback rrcb; /** * Closure for rcb. */ void *rrcb_cls; /** * Data size. */ size_t data_size; /** * True if data frame should be sent. False if control frame should * be sent. */ bool is_data; }; /** * Collection of HTTP headers used in requests and responses. */ struct SPDY_NameValue { /** * This is a doubly-linked list. */ struct SPDY_NameValue *next; /** * This is a doubly-linked list. */ struct SPDY_NameValue *prev; /** * Null terminated string for name. */ char *name; /** * Array of Null terminated strings for value. num_values is the * length of the array. */ char **value; /** * Number of values, this is >= 0. */ unsigned int num_values; }; /** * Represents a SPDY stream */ struct SPDYF_Stream { /** * This is a doubly-linked list. */ struct SPDYF_Stream *next; /** * This is a doubly-linked list. */ struct SPDYF_Stream *prev; /** * Reference to the SPDY_Session struct. */ struct SPDY_Session *session; /** * Name value pairs, sent within the frame which created the stream. */ struct SPDY_NameValue *headers; /** * Any object to be used by the application layer. */ void *cls; /** * This stream's ID. */ uint32_t stream_id; /** * Stream to which this one is associated. */ uint32_t assoc_stream_id; /** * The window of the data within data frames. */ uint32_t window_size; /** * Stream priority. 0 is the highest, 7 is the lowest. */ uint8_t priority; /** * Integer specifying the index in the server's CREDENTIAL vector of * the client certificate to be used for this request The value 0 * means no client certificate should be associated with this stream. */ uint8_t slot; /** * If initially the stream was created as unidirectional. */ bool flag_unidirectional; /** * If the stream won't be used for receiving frames anymore. The * client has sent FLAG_FIN or the stream was terminated with * RST_STREAM. */ bool is_in_closed; /** * If the stream won't be used for sending out frames anymore. The * server has sent FLAG_FIN or the stream was terminated with * RST_STREAM. */ bool is_out_closed; /** * Which entity (server/client) has created the stream. */ bool is_server_initiator; }; /** * Represents a SPDY session which is just a TCP connection */ struct SPDY_Session { /** * zlib stream for decompressing all the name/pair values from the * received frames. All the received compressed data must be * decompressed within one context: this stream. Thus, it should be * unique for the session and initialized at its creation. */ z_stream zlib_recv_stream; /** * zlib stream for compressing all the name/pair values from the * frames to be sent. All the sent compressed data must be * compressed within one context: this stream. Thus, it should be * unique for the session and initialized at its creation. */ z_stream zlib_send_stream; /** * This is a doubly-linked list. */ struct SPDY_Session *next; /** * This is a doubly-linked list. */ struct SPDY_Session *prev; /** * Reference to the SPDY_Daemon struct. */ struct SPDY_Daemon *daemon; /** * Foreign address (of length addr_len). */ struct sockaddr *addr; /** * Head of doubly-linked list of the SPDY streams belonging to the * session. */ struct SPDYF_Stream *streams_head; /** * Tail of doubly-linked list of the streams. */ struct SPDYF_Stream *streams_tail; /** * Unique IO context for the session. Initialized on each creation * (actually when the TCP connection is established). */ void *io_context; /** * Head of doubly-linked list of the responses. */ struct SPDYF_Response_Queue *response_queue_head; /** * Tail of doubly-linked list of the responses. */ struct SPDYF_Response_Queue *response_queue_tail; /** * Buffer for reading requests. */ void *read_buffer; /** * Buffer for writing responses. */ void *write_buffer; /** * Specific handler for the frame that is currently being received. */ void (*frame_handler) (struct SPDY_Session * session); /** * Closure for frame_handler. */ void *frame_handler_cls; /** * Extra field to be used by the user with set/get func for whatever * purpose he wants. */ void *user_cls; /** * Function to initialize the IO context for a new session. */ SPDYF_IONewSession fio_new_session; /** * Function to deinitialize the IO context for a session. */ SPDYF_IOCloseSession fio_close_session; /** * Function to read data from socket. */ SPDYF_IORecv fio_recv; /** * Function to write data to socket. */ SPDYF_IOSend fio_send; /** * Function to check for pending data in IO buffers. */ SPDYF_IOIsPending fio_is_pending; /** * Function to call before writing set of frames. */ SPDYF_IOBeforeWrite fio_before_write; /** * Function to call after writing set of frames. */ SPDYF_IOAfterWrite fio_after_write; /** * Number of bytes that the lib must ignore immediately after they * are read from the TLS socket without adding them to the read buf. * This is needed, for instance, when receiving frame bigger than * the buffer to avoid deadlock situations. */ size_t read_ignore_bytes; /** * Size of read_buffer (in bytes). This value indicates * how many bytes we're willing to read into the buffer; * the real buffer is one byte longer to allow for * adding zero-termination (when needed). */ size_t read_buffer_size; /** * Position where we currently append data in * read_buffer (last valid position). */ size_t read_buffer_offset; /** * Position until where everything was already read */ size_t read_buffer_beginning; /** * Size of write_buffer (in bytes). This value indicates * how many bytes we're willing to prepare for writing. */ size_t write_buffer_size; /** * Position where we currently append data in * write_buffer (last valid position). */ size_t write_buffer_offset; /** * Position until where everything was already written to the socket */ size_t write_buffer_beginning; /** * Last time this connection had any activity * (reading or writing). In milliseconds. */ unsigned long long last_activity; /** * Socket for this connection. Set to -1 if * this connection has died (daemon should clean * up in that case). */ int socket_fd; /** * Length of the foreign address. */ socklen_t addr_len; /** * The biggest stream ID for this session for streams initiated * by the client. */ uint32_t last_in_stream_id; /** * The biggest stream ID for this session for streams initiated * by the server. */ uint32_t last_out_stream_id; /** * This value is updated whenever SYN_REPLY or RST_STREAM are sent * and is used later in GOAWAY frame. * TODO it is not clear in the draft what happens when streams are * not answered in the order of their IDs. Moreover, why should we * send GOAWAY with the ID of received bogus SYN_STREAM with huge ID? */ uint32_t last_replied_to_stream_id; /** * Shows the stream id of the currently handled frame. This value is * to be used when sending RST_STREAM in answer to a problematic * frame, e.g. larger than supported. */ uint32_t current_stream_id; /** * Maximum number of frames to be written to the socket at once. The * library tries to send max_num_frames in a single call to SPDY_run * for a single session. This means no requests can be received nor * other sessions can send data as long the current one has enough * frames to send and there is no error on writing. */ uint32_t max_num_frames; /** * Shows the current receiving state the session, i.e. what is * expected to come now, and how it shold be handled. */ enum SPDY_SESSION_STATUS status; /** * Has this socket been closed for reading (i.e. * other side closed the connection)? If so, * we must completely close the connection once * we are done sending our response (and stop * trying to read from this socket). */ bool read_closed; /** * If the server sends GOAWAY, it must ignore all SYN_STREAMS for * this session. Normally the server will soon close the TCP session. */ bool is_goaway_sent; /** * If the server receives GOAWAY, it must not send new SYN_STREAMS * on this session. Normally the client will soon close the TCP * session. */ bool is_goaway_received; }; /** * State and settings kept for each SPDY daemon. */ struct SPDY_Daemon { /** * Tail of doubly-linked list of our current, active sessions. */ struct SPDY_Session *sessions_head; /** * Tail of doubly-linked list of our current, active sessions. */ struct SPDY_Session *sessions_tail; /** * Tail of doubly-linked list of connections to clean up. */ struct SPDY_Session *cleanup_head; /** * Tail of doubly-linked list of connections to clean up. */ struct SPDY_Session *cleanup_tail; /** * Unique IO context for the daemon. Initialized on daemon start. */ void *io_context; /** * Certificate file of the server. File path is kept here. */ char *certfile; /** * Key file for the certificate of the server. File path is * kept here. */ char *keyfile; /** * The address to which the listening socket is bound. */ struct sockaddr *address; /** * Callback called when a new SPDY session is * established by a client */ SPDY_NewSessionCallback new_session_cb; /** * Callback called when a client closes the session */ SPDY_SessionClosedCallback session_closed_cb; /** * Callback called when a client sends request */ SPDY_NewRequestCallback new_request_cb; /** * Callback called when HTTP POST params are received * after request. To be used by the application layer */ SPDY_NewDataCallback received_data_cb; /** * Callback called when DATA frame is received. */ SPDYF_NewDataCallback freceived_data_cb; /** * Closure argument for all the callbacks that can be used by the client. */ void *cls; /** * Callback called when new stream is created. */ SPDYF_NewStreamCallback fnew_stream_cb; /** * Closure argument for all the callbacks defined in the framing layer. */ void *fcls; /** * Function to initialize the IO context for the daemon. */ SPDYF_IOInit fio_init; /** * Function to deinitialize the IO context for the daemon. */ SPDYF_IODeinit fio_deinit; /** * After how many milliseconds of inactivity should * connections time out? Zero for no timeout. */ unsigned long long session_timeout; /** * Listen socket. */ int socket_fd; /** * This value is inherited by all sessions of the daemon. * Maximum number of frames to be written to the socket at once. The * library tries to send max_num_frames in a single call to SPDY_run * for a single session. This means no requests can be received nor * other sessions can send data as long the current one has enough * frames to send and there is no error on writing. */ uint32_t max_num_frames; /** * Daemon's options. */ enum SPDY_DAEMON_OPTION options; /** * Daemon's flags. */ enum SPDY_DAEMON_FLAG flags; /** * IO subsystem type used by daemon and all its sessions. */ enum SPDY_IO_SUBSYSTEM io_subsystem; /** * Listen port. */ uint16_t port; }; /** * Represents a SPDY response. */ struct SPDY_Response { /** * Raw uncompressed stream of the name/value pairs in SPDY frame * used for the HTTP headers. */ void *headers; /** * Raw stream of the data to be sent. Equivalent to the body in HTTP * response. */ void *data; /** * Callback function to be used when the response data is provided * with callbacks. In this case data must be NULL and data_size must * be 0. */ SPDY_ResponseCallback rcb; /** * Extra argument to rcb. */ void *rcb_cls; /** * Length of headers. */ size_t headers_size; /** * Length of data. */ size_t data_size; /** * The callback func will be called to get that amount of bytes to * put them into a DATA frame. It is either user preffered or * the maximum supported by the lib value. */ uint32_t rcb_block_size; }; /* Macros for handling data and structures */ /** * Insert an element at the head of a DLL. Assumes that head, tail and * element are structs with prev and next fields. * * @param head pointer to the head of the DLL (struct ? *) * @param tail pointer to the tail of the DLL (struct ? *) * @param element element to insert (struct ? *) */ #define DLL_insert(head,tail,element) do { \ (element)->next = (head); \ (element)->prev = NULL; \ if ((tail) == NULL) \ (tail) = element; \ else \ (head)->prev = element; \ (head) = (element); } while (0) /** * Remove an element from a DLL. Assumes * that head, tail and element are structs * with prev and next fields. * * @param head pointer to the head of the DLL (struct ? *) * @param tail pointer to the tail of the DLL (struct ? *) * @param element element to remove (struct ? *) */ #define DLL_remove(head,tail,element) do { \ if ((element)->prev == NULL) \ (head) = (element)->next; \ else \ (element)->prev->next = (element)->next; \ if ((element)->next == NULL) \ (tail) = (element)->prev; \ else \ (element)->next->prev = (element)->prev; \ (element)->next = NULL; \ (element)->prev = NULL; } while (0) /** * Convert all integers in a SPDY control frame headers structure from * host byte order to network byte order. * * @param frame input and output structure (struct SPDY_Control_Frame *) */ #if HAVE_BIG_ENDIAN #define SPDYF_CONTROL_FRAME_HTON(frame) #else #define SPDYF_CONTROL_FRAME_HTON(frame) do { \ (*((uint16_t *) frame )) = (*((uint8_t *) (frame) +1 )) | ((*((uint8_t *) frame ))<<8);\ (frame)->type = htons((frame)->type); \ (frame)->length = HTON24((frame)->length); \ } while (0) #endif /** * Convert all integers in a SPDY control frame headers structure from * network byte order to host byte order. * * @param frame input and output structure (struct SPDY_Control_Frame *) */ #if HAVE_BIG_ENDIAN #define SPDYF_CONTROL_FRAME_NTOH(frame) #else #define SPDYF_CONTROL_FRAME_NTOH(frame) do { \ (*((uint16_t *) frame )) = (*((uint8_t *) (frame) +1 )) | ((*((uint8_t *) frame ))<<8);\ (frame)->type = ntohs((frame)->type); \ (frame)->length = NTOH24((frame)->length); \ } while (0) #endif /** * Convert all integers in a SPDY data frame headers structure from * host byte order to network byte order. * * @param frame input and output structure (struct SPDY_Data_Frame *) */ #if HAVE_BIG_ENDIAN #define SPDYF_DATA_FRAME_HTON(frame) #else #define SPDYF_DATA_FRAME_HTON(frame) do { \ *((uint32_t *) frame ) = htonl(*((uint32_t *) frame ));\ (frame)->length = HTON24((frame)->length); \ } while (0) #endif /** * Convert all integers in a SPDY data frame headers structure from * network byte order to host byte order. * * @param frame input and output structure (struct SPDY_Data_Frame *) */ #if HAVE_BIG_ENDIAN #define SPDYF_DATA_FRAME_NTOH(frame) #else #define SPDYF_DATA_FRAME_NTOH(frame) do { \ *((uint32_t *) frame ) = ntohl(*((uint32_t *) frame ));\ (frame)->length = NTOH24((frame)->length); \ } while (0) #endif /** * Creates one or more new SPDYF_Response_Queue object to be put on the * response queue. * * @param is_data whether new data frame or new control frame will be * crerated * @param data the row stream which will be used as the body of the frame * @param data_size length of data * @param response object, part of which is the frame * @param stream on which data is to be sent * @param closestream TRUE if the frame must close the stream (with flag) * @param frqcb callback to notify application layer when the frame * has been sent or discarded * @param frqcb_cls closure for frqcb * @param rrcb callback used by the application layer to notify the * application when the frame has been sent or discarded. * frqcb will call it * @param rrcb_cls closure for rrcb * @return double linked list of SPDYF_Response_Queue structures: one or * more frames are returned based on the size of the data */ struct SPDYF_Response_Queue * SPDYF_response_queue_create(bool is_data, void *data, size_t data_size, struct SPDY_Response *response, struct SPDYF_Stream *stream, bool closestream, SPDYF_ResponseQueueResultCallback frqcb, void *frqcb_cls, SPDY_ResponseResultCallback rrcb, void *rrcb_cls); /** * Destroys SPDYF_Response_Queue structure and whatever is in it. * * @param response_queue to destroy */ void SPDYF_response_queue_destroy(struct SPDYF_Response_Queue *response_queue); /** * Checks if the container is empty, i.e. created but no values were * added to it. * * @param container * @return SPDY_YES if empty * SPDY_NO if not */ int SPDYF_name_value_is_empty(struct SPDY_NameValue *container); /** * Transforms raw binary decomressed stream of headers * into SPDY_NameValue, containing all of the headers and values. * * @param stream that is to be transformed * @param size length of the stream * @param container will contain the newly created SPDY_NameValue * container. Should point to NULL. * @return SPDY_YES on success * SPDY_NO on memory error * SPDY_INPUT_ERROR if the provided stream is not valid */ int SPDYF_name_value_from_stream(void *stream, size_t size, struct SPDY_NameValue ** container); /** * Transforms array of objects of name/values tuples, containing HTTP * headers, into raw binary stream. The resulting stream is ready to * be compressed and sent. * * @param container one or more SPDY_NameValue objects. Each object * contains multiple number of name/value tuples. * @param num_containers length of the array * @param stream will contain the resulting stream. 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mostlyclean-compile \ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ tags uninstall uninstall-am uninstall-libLTLIBRARIES # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libmicrohttpd-0.9.33/src/microspdy/daemon.c0000644000175000017500000002774512212705474015625 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file microspdy/daemon.c * @brief daemon functionality * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "session.h" #include "io.h" /** * Default implementation of the panic function, * prints an error message and aborts. * * @param cls unused * @param file name of the file with the problem * @param line line number with the problem * @param reason error message with details */ static void spdyf_panic_std (void *cls, const char *file, unsigned int line, const char *reason) { (void)cls; fprintf (stdout, "Fatal error in libmicrospdy %s:%u: %s\n", file, line, reason); //raise(SIGINT); //used for gdb abort (); } /** * Global handler for fatal errors. */ SPDY_PanicCallback spdyf_panic = &spdyf_panic_std; /** * Global closure argument for "spdyf_panic". */ void *spdyf_panic_cls; /** * Free resources associated with all closed connections. * (destroy responses, free buffers, etc.). * * @param daemon daemon to clean up */ static void spdyf_cleanup_sessions (struct SPDY_Daemon *daemon) { struct SPDY_Session *session; while (NULL != (session = daemon->cleanup_head)) { DLL_remove (daemon->cleanup_head, daemon->cleanup_tail, session); SPDYF_session_destroy(session); } } /** * Closing of all connections handled by the daemon. * * @param daemon SPDY daemon */ static void spdyf_close_all_sessions (struct SPDY_Daemon *daemon) { struct SPDY_Session *session; while (NULL != (session = daemon->sessions_head)) { //prepare GOAWAY frame SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_OK, true); //try to send the frame (it is best effort, so it will maybe sent) SPDYF_session_write(session,true); SPDYF_session_close(session); } spdyf_cleanup_sessions(daemon); } /** * Parse a list of options given as varargs. * * @param daemon the daemon to initialize * @param valist the options * @return SPDY_YES on success, SPDY_NO on error */ static int spdyf_parse_options_va (struct SPDY_Daemon *daemon, va_list valist) { enum SPDY_DAEMON_OPTION opt; while (SPDY_DAEMON_OPTION_END != (opt = (enum SPDY_DAEMON_OPTION) va_arg (valist, int))) { if(opt & daemon->options) { SPDYF_DEBUG("Daemon option %i used twice",opt); return SPDY_NO; } daemon->options |= opt; switch (opt) { case SPDY_DAEMON_OPTION_SESSION_TIMEOUT: daemon->session_timeout = va_arg (valist, unsigned int) * 1000; break; case SPDY_DAEMON_OPTION_SOCK_ADDR: daemon->address = va_arg (valist, struct sockaddr *); break; case SPDY_DAEMON_OPTION_FLAGS: daemon->flags = va_arg (valist, enum SPDY_DAEMON_FLAG); break; case SPDY_DAEMON_OPTION_IO_SUBSYSTEM: daemon->io_subsystem = va_arg (valist, enum SPDY_IO_SUBSYSTEM); break; case SPDY_DAEMON_OPTION_MAX_NUM_FRAMES: daemon->max_num_frames = va_arg (valist, uint32_t); break; default: SPDYF_DEBUG("Wrong option for the daemon %i",opt); return SPDY_NO; } } return SPDY_YES; } void SPDY_set_panic_func (SPDY_PanicCallback cb, void *cls) { spdyf_panic = cb; spdyf_panic_cls = cls; } struct SPDY_Daemon * SPDYF_start_daemon_va (uint16_t port, const char *certfile, const char *keyfile, SPDY_NewSessionCallback nscb, SPDY_SessionClosedCallback sccb, SPDY_NewRequestCallback nrcb, SPDY_NewDataCallback npdcb, SPDYF_NewStreamCallback fnscb, SPDYF_NewDataCallback fndcb, void * cls, void * fcls, va_list valist) { struct SPDY_Daemon *daemon = NULL; int afamily; int option_on = 1; int ret; struct sockaddr_in* servaddr4 = NULL; #if HAVE_INET6 struct sockaddr_in6* servaddr6 = NULL; #endif socklen_t addrlen; if (NULL == (daemon = malloc (sizeof (struct SPDY_Daemon)))) { SPDYF_DEBUG("malloc"); return NULL; } memset (daemon, 0, sizeof (struct SPDY_Daemon)); daemon->socket_fd = -1; daemon->port = port; if(SPDY_YES != spdyf_parse_options_va (daemon, valist)) { SPDYF_DEBUG("parse"); goto free_and_fail; } if(0 == daemon->max_num_frames) daemon->max_num_frames = SPDYF_NUM_SENT_FRAMES_AT_ONCE; if(!port && NULL == daemon->address) { SPDYF_DEBUG("Port is 0"); goto free_and_fail; } if(0 == daemon->io_subsystem) daemon->io_subsystem = SPDY_IO_SUBSYSTEM_OPENSSL; if(SPDY_YES != SPDYF_io_set_daemon(daemon, daemon->io_subsystem)) goto free_and_fail; if(SPDY_IO_SUBSYSTEM_RAW != daemon->io_subsystem) { if (NULL == certfile || NULL == (daemon->certfile = strdup (certfile))) { SPDYF_DEBUG("strdup (certfile)"); goto free_and_fail; } if (NULL == keyfile || NULL == (daemon->keyfile = strdup (keyfile))) { SPDYF_DEBUG("strdup (keyfile)"); goto free_and_fail; } } daemon->new_session_cb = nscb; daemon->session_closed_cb = sccb; daemon->new_request_cb = nrcb; daemon->received_data_cb = npdcb; daemon->cls = cls; daemon->fcls = fcls; daemon->fnew_stream_cb = fnscb; daemon->freceived_data_cb = fndcb; #if HAVE_INET6 //handling IPv6 if((daemon->flags & SPDY_DAEMON_FLAG_ONLY_IPV6) && NULL != daemon->address && AF_INET6 != daemon->address->sa_family) { SPDYF_DEBUG("SPDY_DAEMON_FLAG_ONLY_IPV6 set but IPv4 address provided"); goto free_and_fail; } addrlen = sizeof (struct sockaddr_in6); if(NULL == daemon->address) { if (NULL == (servaddr6 = malloc (addrlen))) { SPDYF_DEBUG("malloc"); goto free_and_fail; } memset (servaddr6, 0, addrlen); servaddr6->sin6_family = AF_INET6; servaddr6->sin6_addr = in6addr_any; servaddr6->sin6_port = htons (port); daemon->address = (struct sockaddr *) servaddr6; } if(AF_INET6 == daemon->address->sa_family) { afamily = PF_INET6; } else { afamily = PF_INET; } #else //handling IPv4 if(daemon->flags & SPDY_DAEMON_FLAG_ONLY_IPV6) { SPDYF_DEBUG("SPDY_DAEMON_FLAG_ONLY_IPV6 set but no support"); goto free_and_fail; } addrlen = sizeof (struct sockaddr_in); if(NULL == daemon->address) { if (NULL == (servaddr4 = malloc (addrlen))) { SPDYF_DEBUG("malloc"); goto free_and_fail; } memset (servaddr4, 0, addrlen); servaddr4->sin_family = AF_INET; servaddr4->sin_addr = INADDR_ANY; servaddr4->sin_port = htons (port); daemon->address = (struct sockaddr *) servaddr4; } afamily = PF_INET; #endif daemon->socket_fd = socket (afamily, SOCK_STREAM, 0); if (-1 == daemon->socket_fd) { SPDYF_DEBUG("sock"); goto free_and_fail; } //setting option for the socket to reuse address ret = setsockopt(daemon->socket_fd, SOL_SOCKET, SO_REUSEADDR, &option_on, sizeof(option_on)); if(ret) { SPDYF_DEBUG("WARNING: SO_REUSEADDR was not set for the server"); } #if HAVE_INET6 if(daemon->flags & SPDY_DAEMON_FLAG_ONLY_IPV6) { ret = setsockopt(daemon->socket_fd, IPPROTO_IPV6, IPV6_V6ONLY, &option_on, sizeof(option_on)); if(ret) { SPDYF_DEBUG("setsockopt with IPPROTO_IPV6 failed"); goto free_and_fail; } } #endif if (-1 == bind (daemon->socket_fd, daemon->address, addrlen)) { SPDYF_DEBUG("bind %i",errno); goto free_and_fail; } if (listen (daemon->socket_fd, 20) < 0) { SPDYF_DEBUG("listen %i",errno); goto free_and_fail; } if(SPDY_YES != daemon->fio_init(daemon)) { SPDYF_DEBUG("tls"); goto free_and_fail; } return daemon; //for GOTO free_and_fail: if(daemon->socket_fd > 0) (void)close (daemon->socket_fd); free(servaddr4); #if HAVE_INET6 free(servaddr6); #endif if(NULL != daemon->certfile) free(daemon->certfile); if(NULL != daemon->keyfile) free(daemon->keyfile); free (daemon); return NULL; } void SPDYF_stop_daemon (struct SPDY_Daemon *daemon) { daemon->fio_deinit(daemon); shutdown (daemon->socket_fd, SHUT_RDWR); spdyf_close_all_sessions (daemon); (void)close (daemon->socket_fd); if(!(SPDY_DAEMON_OPTION_SOCK_ADDR & daemon->options)) free(daemon->address); free(daemon->certfile); free(daemon->keyfile); free(daemon); } int SPDYF_get_timeout (struct SPDY_Daemon *daemon, unsigned long long *timeout) { unsigned long long earliest_deadline = 0; unsigned long long now; struct SPDY_Session *pos; bool have_timeout; if(0 == daemon->session_timeout) return SPDY_NO; now = SPDYF_monotonic_time(); have_timeout = false; for (pos = daemon->sessions_head; NULL != pos; pos = pos->next) { if ( (! have_timeout) || (earliest_deadline > pos->last_activity + daemon->session_timeout) ) earliest_deadline = pos->last_activity + daemon->session_timeout; have_timeout = true; if (SPDY_YES == pos->fio_is_pending(pos)) { earliest_deadline = 0; break; } } if (!have_timeout) return SPDY_NO; if (earliest_deadline <= now) *timeout = 0; else *timeout = earliest_deadline - now; return SPDY_YES; } int SPDYF_get_fdset (struct SPDY_Daemon *daemon, fd_set *read_fd_set, fd_set *write_fd_set, fd_set *except_fd_set, bool all) { (void)except_fd_set; struct SPDY_Session *pos; int fd; int max_fd = -1; fd = daemon->socket_fd; if (-1 != fd) { FD_SET (fd, read_fd_set); /* update max file descriptor */ max_fd = fd; } for (pos = daemon->sessions_head; NULL != pos; pos = pos->next) { fd = pos->socket_fd; FD_SET(fd, read_fd_set); if (all || (NULL != pos->response_queue_head) //frames pending || (NULL != pos->write_buffer) //part of last frame pending || (SPDY_SESSION_STATUS_CLOSING == pos->status) //the session is about to be closed || (daemon->session_timeout //timeout passed for the session && (pos->last_activity + daemon->session_timeout < SPDYF_monotonic_time())) || (SPDY_YES == pos->fio_is_pending(pos)) //data in TLS' read buffer pending || ((pos->read_buffer_offset - pos->read_buffer_beginning) > 0) // data in lib's read buffer pending ) FD_SET(fd, write_fd_set); if(fd > max_fd) max_fd = fd; } return max_fd; } void SPDYF_run (struct SPDY_Daemon *daemon) { struct SPDY_Session *pos; struct SPDY_Session *next; int num_ready; fd_set rs; fd_set ws; fd_set es; int max; struct timeval timeout; int ds; timeout.tv_sec = 0; timeout.tv_usec = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); //here we need really all descriptors to see later which are ready max = SPDYF_get_fdset(daemon,&rs,&ws,&es, true); num_ready = select (max + 1, &rs, &ws, &es, &timeout); if(num_ready < 1) return; if ( (-1 != (ds = daemon->socket_fd)) && (FD_ISSET (ds, &rs)) ){ SPDYF_session_accept(daemon); } next = daemon->sessions_head; while (NULL != (pos = next)) { next = pos->next; ds = pos->socket_fd; if (ds != -1) { //fill the read buffer if (FD_ISSET (ds, &rs) || pos->fio_is_pending(pos)){ SPDYF_session_read(pos); } //do something with the data in read buffer if(SPDY_NO == SPDYF_session_idle(pos)) { //the session was closed, cannot write anymore //continue; } //write whatever has been put to the response queue //during read or idle operation, something might be put //on the response queue, thus call write operation if (FD_ISSET (ds, &ws)){ if(SPDY_NO == SPDYF_session_write(pos, false)) { //SPDYF_session_close(pos); //continue; } } /* the response queue has been flushed for half closed * connections, so let close them */ /*if(pos->read_closed) { SPDYF_session_close(pos); }*/ } } spdyf_cleanup_sessions(daemon); } libmicrohttpd-0.9.33/src/microspdy/alstructures.h0000644000175000017500000000312012122661535017103 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file alstructures.h * @brief structures only for the application layer * @author Andrey Uzunov */ #ifndef ALSTRUCTURES_H #define ALSTRUCTURES_H #include "platform.h" /** * Represents a SPDY request. */ struct SPDY_Request { /** * SPDY stream in whose context the request was received */ struct SPDYF_Stream *stream; /** * Other HTTP headers from the request */ struct SPDY_NameValue *headers; /** * HTTP method */ char *method; /** * HTTP path */ char *path; /** * HTTP version just like in HTTP request/response: * "HTTP/1.0" or "HTTP/1.1" currently */ char *version; /** * called host as in HTTP */ char *host; /** * The scheme used ("http" or "https") */ char *scheme; /** * Extra field to be used by the user with set/get func for whatever * purpose he wants. */ void *user_cls; }; #endif libmicrohttpd-0.9.33/src/microspdy/io_openssl.c0000644000175000017500000001546212172304335016521 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file io_openssl.c * @brief TLS handling using libssl. The current code assumes that * blocking I/O is in use. * @author Andrey Uzunov */ #include "platform.h" #include "internal.h" #include "session.h" #include "io_openssl.h" /** * Callback to advertise spdy ver. 3 in Next Protocol Negotiation * * @param ssl openssl context for a connection * @param out must be set to the raw data that is advertised in NPN * @param outlen must be set to size of out * @param arg * @return SSL_TLSEXT_ERR_OK to do advertising */ static int spdyf_next_protos_advertised_cb (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg) { (void)ssl; (void)arg; static unsigned char npn_spdy3[] = {0x06, // length of "spdy/3" 0x73,0x70,0x64,0x79,0x2f,0x33};// spdy/3 *out = npn_spdy3; *outlen = 7; // total length of npn_spdy3 return SSL_TLSEXT_ERR_OK; } void SPDYF_openssl_global_init() { //error strings are now not used by the lib //SSL_load_error_strings(); //init libssl SSL_library_init(); //always returns 1 //the table for looking up algos is not used now by the lib //OpenSSL_add_all_algorithms(); } void SPDYF_openssl_global_deinit() { //if SSL_load_error_strings was called //ERR_free_strings(); //if OpenSSL_add_all_algorithms was called //EVP_cleanup(); } int SPDYF_openssl_init(struct SPDY_Daemon *daemon) { int options; //create ssl context. TLSv1 used if(NULL == (daemon->io_context = SSL_CTX_new(TLSv1_server_method()))) { SPDYF_DEBUG("Couldn't create ssl context"); return SPDY_NO; } //set options for tls //TODO DH is not enabled for easier debugging //SSL_CTX_set_options(daemon->io_context, SSL_OP_SINGLE_DH_USE); //TODO here session tickets are disabled for easier debuging with //wireshark when using Chrome // SSL_OP_NO_COMPRESSION disables TLS compression to avoid CRIME attack options = SSL_OP_NO_TICKET; #ifdef SSL_OP_NO_COMPRESSION options |= SSL_OP_NO_COMPRESSION; #elif OPENSSL_VERSION_NUMBER >= 0x00908000L /* workaround for OpenSSL 0.9.8 */ sk_SSL_COMP_zero(SSL_COMP_get_compression_methods()); #endif SSL_CTX_set_options(daemon->io_context, options); if(1 != SSL_CTX_use_certificate_file(daemon->io_context, daemon->certfile , SSL_FILETYPE_PEM)) { SPDYF_DEBUG("Couldn't load the cert file"); SSL_CTX_free(daemon->io_context); return SPDY_NO; } if(1 != SSL_CTX_use_PrivateKey_file(daemon->io_context, daemon->keyfile, SSL_FILETYPE_PEM)) { SPDYF_DEBUG("Couldn't load the name file"); SSL_CTX_free(daemon->io_context); return SPDY_NO; } SSL_CTX_set_next_protos_advertised_cb(daemon->io_context, &spdyf_next_protos_advertised_cb, NULL); //TODO only RC4-SHA is used to make it easy to debug with wireshark if (1 != SSL_CTX_set_cipher_list(daemon->io_context, "RC4-SHA")) { SPDYF_DEBUG("Couldn't set the desired cipher list"); SSL_CTX_free(daemon->io_context); return SPDY_NO; } return SPDY_YES; } void SPDYF_openssl_deinit(struct SPDY_Daemon *daemon) { SSL_CTX_free(daemon->io_context); } int SPDYF_openssl_new_session(struct SPDY_Session *session) { int ret; if(NULL == (session->io_context = SSL_new(session->daemon->io_context))) { SPDYF_DEBUG("Couldn't create ssl structure"); return SPDY_NO; } if(1 != (ret = SSL_set_fd(session->io_context, session->socket_fd))) { SPDYF_DEBUG("SSL_set_fd %i",ret); SSL_free(session->io_context); session->io_context = NULL; return SPDY_NO; } //for non-blocking I/O SSL_accept may return -1 //and this function won't work if(1 != (ret = SSL_accept(session->io_context))) { SPDYF_DEBUG("SSL_accept %i",ret); SSL_free(session->io_context); session->io_context = NULL; return SPDY_NO; } /* alternatively SSL_set_accept_state(session->io_context); * may be called and then the negotiation will be done on reading */ return SPDY_YES; } void SPDYF_openssl_close_session(struct SPDY_Session *session) { //SSL_shutdown sends TLS "close notify" as in TLS standard. //The function may fail as it waits for the other party to also close //the TLS session. The lib just sends it and will close the socket //after that because the browsers don't seem to care much about //"close notify" SSL_shutdown(session->io_context); SSL_free(session->io_context); } int SPDYF_openssl_recv(struct SPDY_Session *session, void * buffer, size_t size) { int ret; int n = SSL_read(session->io_context, buffer, size); //if(n > 0) SPDYF_DEBUG("recvd: %i",n); if (n <= 0) { ret = SSL_get_error(session->io_context, n); switch(ret) { case SSL_ERROR_ZERO_RETURN: return 0; case SSL_ERROR_WANT_READ: case SSL_ERROR_WANT_WRITE: return SPDY_IO_ERROR_AGAIN; case SSL_ERROR_SYSCALL: if(EINTR == errno) return SPDY_IO_ERROR_AGAIN; default: return SPDY_IO_ERROR_ERROR; } } return n; } int SPDYF_openssl_send(struct SPDY_Session *session, const void * buffer, size_t size) { int ret; int n = SSL_write(session->io_context, buffer, size); //if(n > 0) SPDYF_DEBUG("sent: %i",n); if (n <= 0) { ret = SSL_get_error(session->io_context, n); switch(ret) { case SSL_ERROR_ZERO_RETURN: return 0; case SSL_ERROR_WANT_READ: case SSL_ERROR_WANT_WRITE: return SPDY_IO_ERROR_AGAIN; case SSL_ERROR_SYSCALL: if(EINTR == errno) return SPDY_IO_ERROR_AGAIN; default: return SPDY_IO_ERROR_ERROR; } } return n; } int SPDYF_openssl_is_pending(struct SPDY_Session *session) { /* From openssl docs: * BUGS SSL_pending() takes into account only bytes from the TLS/SSL record that is currently being processed (if any). If the SSL object's read_ahead flag is set, additional protocol bytes may have been read containing more TLS/SSL records; these are ignored by SSL_pending(). */ return SSL_pending(session->io_context) > 0 ? SPDY_YES : SPDY_NO; } int SPDYF_openssl_before_write(struct SPDY_Session *session) { (void)session; return SPDY_YES; } int SPDYF_openssl_after_write(struct SPDY_Session *session, int was_written) { (void)session; return was_written; } libmicrohttpd-0.9.33/src/microspdy/Makefile.am0000644000175000017500000000133512201703206016222 00000000000000if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir)/src/include \ -I$(top_srcdir)/src/microspdy EXTRA_DIST = EXPORT.sym lib_LTLIBRARIES = \ libmicrospdy.la libmicrospdy_la_SOURCES = \ io.h io.c \ io_openssl.h io_openssl.c \ io_raw.h io_raw.c \ structures.h structures.c \ internal.h internal.c \ daemon.h daemon.c \ stream.h stream.c \ compression.h compression.c \ session.h session.c \ applicationlayer.c applicationlayer.h \ alstructures.c alstructures.h libmicrospdy_la_LDFLAGS = \ $(SPDY_LIB_LDFLAGS) libmicrospdy_la_CFLAGS = -Wextra \ $(SPDY_LIB_CFLAGS) if USE_COVERAGE AM_CFLAGS = --coverage endif libmicrohttpd-0.9.33/src/microspdy/stream.h0000644000175000017500000000434712202003706015637 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file stream.h * @brief SPDY streams handling * @author Andrey Uzunov */ #ifndef STREAM_H #define STREAM_H #include "platform.h" /** * Reads data from session's read buffer and tries to create a new SPDY * stream. This function is called after control frame's header has been * read from the buffer (after the length field). If bogus frame is * received the function changes the read handler of the session and * fails, i.e. there is no need of further error handling by the caller. * * @param session SPDY_Session whose read buffer is being read * @return SPDY_YES if a new SPDY stream request was correctly received * and handled. SPDY_NO if the whole SPDY frame was not yet * received or memory error occurred. */ int SPDYF_stream_new (struct SPDY_Session *session); /** * Destroys stream structure and whatever is in it. * * @param stream SPDY_Stream to destroy */ void SPDYF_stream_destroy(struct SPDYF_Stream *stream); /** * Set stream flags if needed based on the type of the frame that was * just sent (e.g., close stream if it was RST_STREAM). * * @param response_queue sent for this stream */ void SPDYF_stream_set_flags_on_write(struct SPDYF_Response_Queue *response_queue); /** * Find and return a session's stream, based on stream's ID. * * @param stream_id to search for * @param session whose streams are considered * @return SPDY_Stream with the desired ID. Can be NULL. */ struct SPDYF_Stream * SPDYF_stream_find(uint32_t stream_id, struct SPDY_Session * session); #endif libmicrohttpd-0.9.33/src/microspdy/session.h0000644000175000017500000002251012213116407016024 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file session.h * @brief TCP connection/SPDY session handling * @author Andrey Uzunov */ #ifndef SESSION_H #define SESSION_H #include "platform.h" #include "structures.h" /** * Called by the daemon when the socket for the session has available * data to be read. Reads data from the TLS socket and puts it to the * session's read buffer. The latte * * @param session SPDY_Session for which data will be read. * @return SPDY_YES if something was read or session's status was * changed. It is possible that error occurred but was handled * and the status was therefore changed. * SPDY_NO if nothing happened, e.g. the subsystem wants read/ * write to be called again. */ int SPDYF_session_read (struct SPDY_Session *session); /** * Called by the daemon when the socket for the session is ready for some * data to be written to it. For one or more objects on the response * queue tries to fill in the write buffer, based on the frame on the * queue, and to write data to the TLS socket. * * @param session SPDY_Session for which data will be written. * @param only_one_frame when true, the function will write at most one * SPDY frame to the underlying IO subsystem; * when false, the function will write up to * session->max_num_frames SPDY frames * @return SPDY_YES if the session's internal writing state has changed: * something was written and/or session's status was * changed and/or response callback was called but did not provide * data. It is possible that error occurred but was handled * and the status was therefore changed. * SPDY_NO if nothing happened. However, it is possible that some * frames were discarded within the call, e.g. frames belonging * to a closed stream. */ int SPDYF_session_write (struct SPDY_Session *session, bool only_one_frame); /** * Called by the daemon on SPDY_run to handle the data in the read and write * buffer of a session. Based on the state and the content of the read * buffer new frames are received and interpreted, appropriate user * callbacks are called and maybe something is put on the response queue * ready to be handled by session_write. * * @param session SPDY_Session which will be handled. * @return SPDY_YES if something from the read buffers was processed, * session's status was changed and/or the session was closed. * SPDY_NO if nothing happened, e.g. the session is in a state, * not allowing processing read buffers. */ int SPDYF_session_idle (struct SPDY_Session *session); /** * This function shutdowns the socket, moves the session structure to * daemon's queue for sessions to be cleaned up. * * @param session SPDY_Session which will be handled. */ void SPDYF_session_close (struct SPDY_Session *session); /** * Called to accept new TCP connection and create SPDY session. * * @param daemon SPDY_Daemon whose listening socket is used. * @return SPDY_NO on any kind of error while accepting new TCP connection * and initializing new SPDY_Session. * SPDY_YES otherwise. */ int SPDYF_session_accept(struct SPDY_Daemon *daemon); /** * Puts SPDYF_Response_Queue object on the queue to be sent to the * client later. * * @param response_to_queue linked list of objects containing SPDY * frame and data to be added to the queue * @param session SPDY session for which the response is sent * @param consider_priority if SPDY_NO, the list will be added to the * end of the queue. * If SPDY_YES, the response will be added after * the last previously added response with priority of the * request grater or equal to that of the current one. * If -1, the object will be put at the head of the queue. */ void SPDYF_queue_response (struct SPDYF_Response_Queue *response_to_queue, struct SPDY_Session *session, int consider_priority); /** * Cleans up the TSL context for the session, closes the TCP connection, * cleans up any data pointed by members of the session structure * (buffers, queue of responses, etc.) and frees the memory allocated by * the session itself. */ void SPDYF_session_destroy(struct SPDY_Session *session); /** * Prepares GOAWAY frame to tell the client to stop creating new streams. * The session should be closed soon after this call. * * @param session SPDY session * @param status code for the GOAWAY frame * @param in_front whether or not to put the frame in front of everything * on the response queue * @return SPDY_NO on error (not enough memory) or * SPDY_YES on success */ int SPDYF_prepare_goaway (struct SPDY_Session *session, enum SPDY_GOAWAY_STATUS status, bool in_front); /** * Prepares RST_STREAM frame to terminate a stream. This frame may or * not indicate an error. The frame will be put at the head of the queue. * This means that frames for this stream which are still in the queue * will be discarded soon. * * @param session SPDY session * @param stream stream to terminate * @param status code for the RST_STREAM frame * @return SPDY_NO on memory error or * SPDY_YES on success */ int SPDYF_prepare_rst_stream (struct SPDY_Session *session, struct SPDYF_Stream * stream, enum SPDY_RST_STREAM_STATUS status); /** * Prepares WINDOW_UPDATE frame to tell the other party that more * data can be sent on the stream. The frame will be put at the head of * the queue. * * @param session SPDY session * @param stream stream to which the changed window will apply * @param delta_window_size how much the window grows * @return SPDY_NO on memory error or * SPDY_YES on success */ int SPDYF_prepare_window_update (struct SPDY_Session *session, struct SPDYF_Stream * stream, int32_t delta_window_size); /** * Handler called by session_write to fill the write buffer according to * the data frame waiting in the response queue. * When response data is given by user callback, the lib does not know * how many frames are needed. In such case this call produces * another ResponseQueue object and puts it on the queue while the the * user callback says that there will be more data. * * @return SPDY_NO on error (not enough memory or the user calback for * providing response data did something wrong). If * the error is unrecoverable the handler changes session's * status. * SPDY_YES on success */ int SPDYF_handler_write_data (struct SPDY_Session *session); /** * Handler called by session_write to fill the write buffer based on the * control frame (SYN_REPLY) waiting in the response queue. * * @param session SPDY session * @return SPDY_NO on error (zlib state is broken; the session MUST be * closed). If * the error is unrecoverable the handler changes session's * status. * SPDY_YES on success */ int SPDYF_handler_write_syn_reply (struct SPDY_Session *session); /** * Handler called by session_write to fill the write buffer based on the * control frame (GOAWAY) waiting in the response queue. * * @param session SPDY session * @return SPDY_NO on error (not enough memory; by specification the * session must be closed * soon, thus there is no need to handle the error) or * SPDY_YES on success */ int SPDYF_handler_write_goaway (struct SPDY_Session *session); /** * Handler called by session_write to fill the write buffer based on the * control frame (RST_STREAM) waiting in the response queue. * * @param session SPDY session * @return SPDY_NO on error (not enough memory). If * the error is unrecoverable the handler changes session's * status. * SPDY_YES on success */ int SPDYF_handler_write_rst_stream (struct SPDY_Session *session); /** * Handler called by session_write to fill the write buffer based on the * control frame (WINDOW_UPDATE) waiting in the response queue. * * @param session SPDY session * @return SPDY_NO on error (not enough memory). If * the error is unrecoverable the handler changes session's * status. * SPDY_YES on success */ int SPDYF_handler_write_window_update (struct SPDY_Session *session); /** * Carefully ignore the full size of frames which are not yet supported * by the lib. * TODO Ignoring frames containing compressed bodies means that the * compress state will be corrupted on next received frame. According to * the draft the lib SHOULD try to decompress data also in corrupted * frames just to keep right compression state. * * @param session SPDY_Session whose read buffer is used. */ void SPDYF_handler_ignore_frame (struct SPDY_Session *session); #endif libmicrohttpd-0.9.33/src/microspdy/applicationlayer.c0000644000175000017500000003753512202254276017716 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file applicationlayer.c * @brief SPDY application or HTTP layer * @author Andrey Uzunov */ #include "platform.h" #include "applicationlayer.h" #include "alstructures.h" #include "structures.h" #include "internal.h" #include "daemon.h" #include "session.h" void spdy_callback_response_done(void *cls, struct SPDY_Response *response, struct SPDY_Request *request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)cls; (void)status; (void)streamopened; SPDY_destroy_request(request); SPDY_destroy_response(response); } /** * Callback called when new stream is created. It extracts the info from * the stream to create (HTTP) request object and pass it to the client. * * @param cls * @param stream the new SPDY stream * @return SPDY_YES on success, SPDY_NO on memomry error */ static int spdy_handler_new_stream (void *cls, struct SPDYF_Stream * stream) { (void)cls; unsigned int i; char *method = NULL; char *path = NULL; char *version = NULL; char *host = NULL; char *scheme = NULL; struct SPDY_Request * request = NULL; struct SPDY_NameValue * headers = NULL; struct SPDY_NameValue * iterator = stream->headers; struct SPDY_Daemon *daemon; daemon = stream->session->daemon; //if the user doesn't care, ignore it if(NULL == daemon->new_request_cb) return SPDY_YES; if(NULL == (headers=SPDY_name_value_create())) goto free_and_fail; if(NULL==(request = malloc(sizeof(struct SPDY_Request)))) goto free_and_fail; memset(request, 0, sizeof(struct SPDY_Request)); request->stream = stream; /* extract the mandatory fields from stream->headers' structure * to pass them to the client */ while(iterator != NULL) { if(strcmp(":method",iterator->name) == 0) { if(1 != iterator->num_values) break; method = iterator->value[0]; } else if(strcmp(":path",iterator->name) == 0) { if(1 != iterator->num_values) break; path = iterator->value[0]; } else if(strcmp(":version",iterator->name) == 0) { if(1 != iterator->num_values) break; version = iterator->value[0]; } else if(strcmp(":host",iterator->name) == 0) { //TODO can it have more values? if(1 != iterator->num_values) break; host = iterator->value[0]; } else if(strcmp(":scheme",iterator->name) == 0) { if(1 != iterator->num_values) break; scheme = iterator->value[0]; } else for(i=0; inum_values; ++i) if (SPDY_YES != SPDY_name_value_add(headers,iterator->name,iterator->value[i])) { SPDY_destroy_request(request); goto free_and_fail; } iterator = iterator->next; } request->method=method; request->path=path; request->version=version; request->host=host; request->scheme=scheme; request->headers=headers; //check request validity, all these fields are mandatory for a request if(NULL == method || strlen(method) == 0 || NULL == path || strlen(path) == 0 || NULL == version || strlen(version) == 0 || NULL == host || strlen(host) == 0 || NULL == scheme || strlen(scheme) == 0 ) { //TODO HTTP 400 Bad Request must be answered SPDYF_DEBUG("Bad request"); SPDY_destroy_request(request); return SPDY_YES; } //call client's callback function to notify daemon->new_request_cb(daemon->cls, request, stream->priority, method, path, version, host, scheme, headers, !stream->is_in_closed); stream->cls = request; return SPDY_YES; //for GOTO free_and_fail: SPDY_name_value_destroy(headers); return SPDY_NO; } /** * TODO */ static int spdy_handler_new_data (void * cls, struct SPDYF_Stream *stream, const void * buf, size_t size, bool more) { return stream->session->daemon->received_data_cb(cls, stream->cls, buf, size, more); } /** * Callback to be called when the response queue object was handled and * the data was already sent or discarded. * * @param cls * @param response_queue the object which is being handled * @param status shows if actually the response was sent or it was * discarded by the lib for any reason (e.g., closing session, * closing stream, stopping daemon, etc.). It is possible that * status indicates an error but parts of the response headers * and/or body (in one * or several frames) were already sent to the client. */ static void spdy_handler_response_queue_result(void * cls, struct SPDYF_Response_Queue *response_queue, enum SPDY_RESPONSE_RESULT status) { int streamopened; struct SPDY_Request *request = (struct SPDY_Request *)cls; SPDYF_ASSERT( ( (NULL == response_queue->data_frame) && (NULL != response_queue->control_frame) ) || ( (NULL != response_queue->data_frame) && (NULL == response_queue->control_frame) ), "response queue must have either control frame or data frame"); streamopened = !response_queue->stream->is_out_closed; response_queue->rrcb(response_queue->rrcb_cls, response_queue->response, request, status, streamopened); } int (SPDY_init) (enum SPDY_IO_SUBSYSTEM io_subsystem, ...) { SPDYF_ASSERT(SPDYF_BUFFER_SIZE >= SPDY_MAX_SUPPORTED_FRAME_SIZE, "Buffer size is less than max supported frame size!"); SPDYF_ASSERT(SPDY_MAX_SUPPORTED_FRAME_SIZE >= 32, "Max supported frame size must be bigger than the minimal value!"); SPDYF_ASSERT(SPDY_IO_SUBSYSTEM_NONE == spdyf_io_initialized, "SPDY_init must be called only once per program or after SPDY_deinit"); if(SPDY_IO_SUBSYSTEM_OPENSSL & io_subsystem) { SPDYF_openssl_global_init(); spdyf_io_initialized |= SPDY_IO_SUBSYSTEM_OPENSSL; } else if(SPDY_IO_SUBSYSTEM_RAW & io_subsystem) { SPDYF_raw_global_init(); spdyf_io_initialized |= SPDY_IO_SUBSYSTEM_RAW; } SPDYF_ASSERT(SPDY_IO_SUBSYSTEM_NONE != spdyf_io_initialized, "SPDY_init could not find even one IO subsystem"); return SPDY_YES; } void SPDY_deinit () { SPDYF_ASSERT(SPDY_IO_SUBSYSTEM_NONE != spdyf_io_initialized, "SPDY_init has not been called!"); if(SPDY_IO_SUBSYSTEM_OPENSSL & spdyf_io_initialized) SPDYF_openssl_global_deinit(); else if(SPDY_IO_SUBSYSTEM_RAW & spdyf_io_initialized) SPDYF_raw_global_deinit(); spdyf_io_initialized = SPDY_IO_SUBSYSTEM_NONE; } void SPDY_run (struct SPDY_Daemon *daemon) { if(NULL == daemon) { SPDYF_DEBUG("daemon is NULL"); return; } SPDYF_run(daemon); } int SPDY_get_timeout (struct SPDY_Daemon *daemon, unsigned long long *timeout) { if(NULL == daemon) { SPDYF_DEBUG("daemon is NULL"); return SPDY_INPUT_ERROR; } return SPDYF_get_timeout(daemon,timeout); } int SPDY_get_fdset (struct SPDY_Daemon *daemon, fd_set *read_fd_set, fd_set *write_fd_set, fd_set *except_fd_set) { if(NULL == daemon || NULL == read_fd_set || NULL == write_fd_set || NULL == except_fd_set) { SPDYF_DEBUG("a parameter is NULL"); return SPDY_INPUT_ERROR; } return SPDYF_get_fdset(daemon, read_fd_set, write_fd_set, except_fd_set, false); } struct SPDY_Daemon * SPDY_start_daemon (uint16_t port, const char *certfile, const char *keyfile, SPDY_NewSessionCallback nscb, SPDY_SessionClosedCallback sccb, SPDY_NewRequestCallback nrcb, SPDY_NewDataCallback npdcb, void * cls, ...) { struct SPDY_Daemon *daemon; va_list valist; if(SPDY_IO_SUBSYSTEM_NONE == spdyf_io_initialized) { SPDYF_DEBUG("library not initialized"); return NULL; } /* * for now make this checks in framing layer if(NULL == certfile) { SPDYF_DEBUG("certfile is NULL"); return NULL; } if(NULL == keyfile) { SPDYF_DEBUG("keyfile is NULL"); return NULL; } */ va_start(valist, cls); daemon = SPDYF_start_daemon_va ( port, certfile, keyfile, nscb, sccb, nrcb, npdcb, &spdy_handler_new_stream, &spdy_handler_new_data, cls, NULL, valist ); va_end(valist); return daemon; } void SPDY_stop_daemon (struct SPDY_Daemon *daemon) { if(NULL == daemon) { SPDYF_DEBUG("daemon is NULL"); return; } SPDYF_stop_daemon(daemon); } struct SPDY_Response * SPDY_build_response(int status, const char * statustext, const char * version, struct SPDY_NameValue * headers, const void * data, size_t size) { struct SPDY_Response *response = NULL; struct SPDY_NameValue ** all_headers = NULL; //TODO maybe array in stack is enough char *fullstatus = NULL; int ret; int num_hdr_containers = 1; if(NULL == version) { SPDYF_DEBUG("version is NULL"); return NULL; } if(NULL == (response = malloc(sizeof(struct SPDY_Response)))) goto free_and_fail; memset(response, 0, sizeof(struct SPDY_Response)); if(NULL != headers && !SPDYF_name_value_is_empty(headers)) num_hdr_containers = 2; if(NULL == (all_headers = malloc(num_hdr_containers * sizeof(struct SPDY_NameValue *)))) goto free_and_fail; memset(all_headers, 0, num_hdr_containers * sizeof(struct SPDY_NameValue *)); if(2 == num_hdr_containers) all_headers[1] = headers; if(NULL == (all_headers[0] = SPDY_name_value_create())) goto free_and_fail; if(NULL == statustext) ret = asprintf(&fullstatus, "%i", status); else ret = asprintf(&fullstatus, "%i %s", status, statustext); if(-1 == ret) goto free_and_fail; if(SPDY_YES != SPDY_name_value_add(all_headers[0], ":status", fullstatus)) goto free_and_fail; free(fullstatus); fullstatus = NULL; if(SPDY_YES != SPDY_name_value_add(all_headers[0], ":version", version)) goto free_and_fail; if(0 >= (response->headers_size = SPDYF_name_value_to_stream(all_headers, num_hdr_containers, &(response->headers)))) goto free_and_fail; SPDY_name_value_destroy(all_headers[0]); free(all_headers); all_headers = NULL; if(size > 0) { //copy the data to the response object if(NULL == (response->data = malloc(size))) { free(response->headers); goto free_and_fail; } memcpy(response->data, data, size); response->data_size = size; } return response; //for GOTO free_and_fail: free(fullstatus); if(NULL != all_headers) SPDY_name_value_destroy(all_headers[0]); free(all_headers); free(response); return NULL; } struct SPDY_Response * SPDY_build_response_with_callback(int status, const char * statustext, const char * version, struct SPDY_NameValue * headers, SPDY_ResponseCallback rcb, void *rcb_cls, uint32_t block_size) { struct SPDY_Response *response; if(NULL == rcb) { SPDYF_DEBUG("rcb is NULL"); return NULL; } if(block_size > SPDY_MAX_SUPPORTED_FRAME_SIZE) { SPDYF_DEBUG("block_size is wrong"); return NULL; } if(0 == block_size) block_size = SPDY_MAX_SUPPORTED_FRAME_SIZE; response = SPDY_build_response(status, statustext, version, headers, NULL, 0); if(NULL == response) { return NULL; } response->rcb = rcb; response->rcb_cls = rcb_cls; response->rcb_block_size = block_size; return response; } int SPDY_queue_response (struct SPDY_Request * request, struct SPDY_Response *response, bool closestream, bool consider_priority, SPDY_ResponseResultCallback rrcb, void * rrcb_cls) { struct SPDYF_Response_Queue *headers_to_queue; struct SPDYF_Response_Queue *body_to_queue; SPDYF_ResponseQueueResultCallback frqcb = NULL; void *frqcb_cls = NULL; int int_consider_priority = consider_priority ? SPDY_YES : SPDY_NO; if(NULL == request) { SPDYF_DEBUG("request is NULL"); return SPDY_INPUT_ERROR; } if(NULL == response) { SPDYF_DEBUG("request is NULL"); return SPDY_INPUT_ERROR; } if(request->stream->is_out_closed || SPDY_SESSION_STATUS_CLOSING == request->stream->session->status) return SPDY_NO; if(NULL != rrcb) { frqcb_cls = request; frqcb = &spdy_handler_response_queue_result; } if(response->data_size > 0) { //SYN_REPLY and DATA will be queued if(NULL == (headers_to_queue = SPDYF_response_queue_create(false, response->headers, response->headers_size, response, request->stream, false, NULL, NULL, NULL, NULL))) { return SPDY_NO; } if(NULL == (body_to_queue = SPDYF_response_queue_create(true, response->data, response->data_size, response, request->stream, closestream, frqcb, frqcb_cls, rrcb, rrcb_cls))) { SPDYF_response_queue_destroy(headers_to_queue); return SPDY_NO; } SPDYF_queue_response (headers_to_queue, request->stream->session, int_consider_priority); SPDYF_queue_response (body_to_queue, request->stream->session, int_consider_priority); } else if(NULL == response->rcb) { //no "body" will be queued, e.g. HTTP 404 without body if(NULL == (headers_to_queue = SPDYF_response_queue_create(false, response->headers, response->headers_size, response, request->stream, closestream, frqcb, frqcb_cls, rrcb, rrcb_cls))) { return SPDY_NO; } SPDYF_queue_response (headers_to_queue, request->stream->session, int_consider_priority); } else { //response with callbacks if(NULL == (headers_to_queue = SPDYF_response_queue_create(false, response->headers, response->headers_size, response, request->stream, false, NULL, NULL, NULL, NULL))) { return SPDY_NO; } if(NULL == (body_to_queue = SPDYF_response_queue_create(true, response->data, response->data_size, response, request->stream, closestream, frqcb, frqcb_cls, rrcb, rrcb_cls))) { SPDYF_response_queue_destroy(headers_to_queue); return SPDY_NO; } SPDYF_queue_response (headers_to_queue, request->stream->session, int_consider_priority); SPDYF_queue_response (body_to_queue, request->stream->session, int_consider_priority); } return SPDY_YES; } socklen_t SPDY_get_remote_addr(struct SPDY_Session * session, struct sockaddr ** addr) { if(NULL == session) { SPDYF_DEBUG("session is NULL"); return 0; } *addr = session->addr; return session->addr_len; } struct SPDY_Session * SPDY_get_session_for_request(const struct SPDY_Request * request) { if(NULL == request) { SPDYF_DEBUG("request is NULL"); return NULL; } return request->stream->session; } void * SPDY_get_cls_from_session(struct SPDY_Session * session) { if(NULL == session) { SPDYF_DEBUG("session is NULL"); return NULL; } return session->user_cls; } void SPDY_set_cls_to_session(struct SPDY_Session * session, void * cls) { if(NULL == session) { SPDYF_DEBUG("session is NULL"); return; } session->user_cls = cls; } void * SPDY_get_cls_from_request(struct SPDY_Request * request) { if(NULL == request) { SPDYF_DEBUG("request is NULL"); return NULL; } return request->user_cls; } void SPDY_set_cls_to_request(struct SPDY_Request * request, void * cls) { if(NULL == request) { SPDYF_DEBUG("request is NULL"); return; } request->user_cls = cls; } libmicrohttpd-0.9.33/src/microspdy/daemon.h0000644000175000017500000000760712213116407015616 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file daemon.h * @brief daemon functionality * @author Andrey Uzunov */ #ifndef DAEMON_H #define DAEMON_H #include "platform.h" /** * Global flags containing the initialized IO subsystems. */ enum SPDY_IO_SUBSYSTEM spdyf_io_initialized; /** * Start a SPDDY webserver on the given port. * * @param port port to bind to * @param certfile path to the certificate that will be used by server * @param keyfile path to the keyfile for the certificate * @param nscb callback called when a new SPDY session is * established by a client * @param sccb callback called when a client closes the session * @param nrcb callback called when a client sends request * @param npdcb callback called when HTTP POST params are received * after request * @param fnscb callback called when new stream is opened by a client * @param fndcb callback called when new data -- within a data frame -- * is received by the server * @param cls extra argument to all of the callbacks without those * specific only for the framing layer * @param fcls extra argument to all of the callbacks, specific only for * the framing layer (those vars starting with 'f'). * @param valist va_list of options (type-value pairs, * terminated with SPDY_DAEMON_OPTION_END). * @return NULL on error, handle to daemon on success */ struct SPDY_Daemon * SPDYF_start_daemon_va (uint16_t port, const char *certfile, const char *keyfile, SPDY_NewSessionCallback nscb, SPDY_SessionClosedCallback sccb, SPDY_NewRequestCallback nrcb, SPDY_NewDataCallback npdcb, SPDYF_NewStreamCallback fnscb, SPDYF_NewDataCallback fndcb, void * cls, void * fcls, va_list valist); /** * Run webserver operations (without blocking unless * in client callbacks). This method must be called in the client event * loop. * * @param daemon daemon to run */ void SPDYF_run (struct SPDY_Daemon *daemon); /** * Obtain timeout value for select for this daemon. The returned value * is how long select * should at most block, not the timeout value set for connections. * * @param daemon daemon to query for timeout * @param timeout set to the timeout (in milliseconds) * @return SPDY_YES on success, SPDY_NO if no connections exist that * would necessiate the use of a timeout right now */ int SPDYF_get_timeout (struct SPDY_Daemon *daemon, unsigned long long *timeout); /** * Obtain the select sets for this daemon. The idea of SPDYF_get_fdset * is to return such descriptors that the select in the application can * return and SPDY_run can be called only when this is really needed. * That means not all sockets will be added to write_fd_set. * * @param daemon daemon to get sets from * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set * @param all add all session's descriptors to write_fd_set or not * @return largest FD added */ int SPDYF_get_fdset (struct SPDY_Daemon *daemon, fd_set *read_fd_set, fd_set *write_fd_set, fd_set *except_fd_set, bool all); /** * Shutdown the daemon. * * @param daemon daemon to stop */ void SPDYF_stop_daemon (struct SPDY_Daemon *daemon); #endif libmicrohttpd-0.9.33/src/microspdy/internal.h0000644000175000017500000001105712213116407016161 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file microspdy/internal.h * @brief internal functions and macros for the framing layer * @author Andrey Uzunov */ #ifndef INTERNAL_H_H #define INTERNAL_H_H #include "platform.h" #include "microspdy.h" /** * size of read buffers for each connection * must be at least the size of SPDY_MAX_SUPPORTED_FRAME_SIZE */ #define SPDYF_BUFFER_SIZE 8192 /** * initial size of window for each stream (this is for the data * within data frames that can be handled) */ #define SPDYF_INITIAL_WINDOW_SIZE 65536 /** * number of frames written to the socket at once. After X frames * everything should be run again. In this way the application can * response to more important requests while a big file is still * being transmitted to the client */ #define SPDYF_NUM_SENT_FRAMES_AT_ONCE 10 /** * Handler for fatal errors. */ extern SPDY_PanicCallback spdyf_panic; /** * Closure argument for "mhd_panic". */ extern void *spdyf_panic_cls; /** * Trigger 'panic' action based on fatal errors. * * @param msg error message (const char *) */ #define SPDYF_PANIC(msg) \ spdyf_panic (spdyf_panic_cls, __FILE__, __LINE__, msg) /** * Asserts the validity of an expression. * * @param expr (bool) * @param msg message to print on error (const char *) */ #define SPDYF_ASSERT(expr, msg) \ if(!(expr)){\ SPDYF_PANIC(msg);\ abort();\ } /** * Convert 24 bit integer from host byte order to network byte order. * * @param n input value (int32_t) * @return converted value (uint32_t) */ #if HAVE_BIG_ENDIAN #define HTON24(n) n #else #define HTON24(n) (((((uint32_t)(n) & 0xFF)) << 16)\ | (((uint32_t)(n) & 0xFF00))\ | ((((uint32_t)(n) & 0xFF0000)) >> 16)) #endif /** * Convert 24 bit integer from network byte order to host byte order. * * @param n input value (int32_t) * @return converted value (uint32_t) */ #if HAVE_BIG_ENDIAN #define NTOH24(n) n #else #define NTOH24(n) (((((uint32_t)(n) & 0xFF)) << 16)\ | (((uint32_t)(n) & 0xFF00))\ | ((((uint32_t)(n) & 0xFF0000)) >> 16)) #endif /** * Convert 31 bit integer from network byte order to host byte order. * * @param n input value (int32_t) * @return converted value (uint32_t) */ #if HAVE_BIG_ENDIAN #define NTOH31(n) n #else #define NTOH31(n) (((((uint32_t)(n) & 0x7F)) << 24) | \ ((((uint32_t)(n) & 0xFF00)) << 8) | \ ((((uint32_t)(n) & 0xFF0000)) >> 8) | \ ((((uint32_t)(n) & 0xFF000000)) >> 24)) #endif /** * Convert 31 bit integer from host byte order to network byte order. * * @param n input value (int32_t) * @return converted value (uint32_t) */ #if HAVE_BIG_ENDIAN #define HTON31(n) n #else #define HTON31(n) (((((uint32_t)(n) & 0xFF)) << 24) | \ ((((uint32_t)(n) & 0xFF00)) << 8) | \ ((((uint32_t)(n) & 0xFF0000)) >> 8) | \ ((((uint32_t)(n) & 0x7F000000)) >> 24)) #endif /** * Print formatted debug value. * * @param fmt format (const char *) * @param ... args for format */ #define SPDYF_DEBUG(fmt, ...) do { \ fprintf (stdout, "%s\n%u: ",__FILE__, __LINE__);\ fprintf(stdout,fmt,##__VA_ARGS__);\ fprintf(stdout,"\n");\ fflush(stdout); } while (0) /** * Print stream for debuging. * * @param strm (void *) * @param size (int) */ #define SPDYF_PRINT_STREAM(strm, size) do { \ int ___i;\ for(___i=0;___i. */ /** * @file io_raw.c * @brief IO for SPDY without TLS. * @author Andrey Uzunov */ #include "platform.h" #include "internal.h" #include "session.h" #include "io_raw.h" //TODO put in in the right place #include void SPDYF_raw_global_init() { } void SPDYF_raw_global_deinit() { } int SPDYF_raw_init(struct SPDY_Daemon *daemon) { (void)daemon; return SPDY_YES; } void SPDYF_raw_deinit(struct SPDY_Daemon *daemon) { (void)daemon; } int SPDYF_raw_new_session(struct SPDY_Session *session) { int fd_flags; int val = 1; int ret; //setting the socket to be non-blocking fd_flags = fcntl (session->socket_fd, F_GETFL); if ( -1 == fd_flags || 0 != fcntl (session->socket_fd, F_SETFL, fd_flags | O_NONBLOCK)) SPDYF_DEBUG("WARNING: Couldn't set the new connection to be non-blocking"); if(SPDY_DAEMON_FLAG_NO_DELAY & session->daemon->flags) { ret = setsockopt(session->socket_fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(-1 == ret) SPDYF_DEBUG("WARNING: Couldn't set the new connection to TCP_NODELAY"); } return SPDY_YES; } void SPDYF_raw_close_session(struct SPDY_Session *session) { (void)session; } int SPDYF_raw_recv(struct SPDY_Session *session, void * buffer, size_t size) { int n = read(session->socket_fd, buffer, size); //if(n > 0) SPDYF_DEBUG("recvd: %i",n); if (n < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif case EINTR: return SPDY_IO_ERROR_AGAIN; default: return SPDY_IO_ERROR_ERROR; } } return n; } int SPDYF_raw_send(struct SPDY_Session *session, const void * buffer, size_t size) { int n = write(session->socket_fd, buffer, size); //if(n > 0) SPDYF_DEBUG("sent: %i",n); if (n < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif case EINTR: return SPDY_IO_ERROR_AGAIN; default: return SPDY_IO_ERROR_ERROR; } } return n; } int SPDYF_raw_is_pending(struct SPDY_Session *session) { (void)session; return SPDY_NO; } int SPDYF_raw_before_write(struct SPDY_Session *session) { #if HAVE_DECL_TCP_CORK if(0 == (SPDY_DAEMON_FLAG_NO_DELAY & session->daemon->flags)) { int val = 1; int ret; ret = setsockopt(session->socket_fd, IPPROTO_TCP, TCP_CORK, &val, (socklen_t)sizeof(val)); if(-1 == ret) SPDYF_DEBUG("WARNING: Couldn't set the new connection to TCP_CORK"); } #endif return SPDY_YES; } int SPDYF_raw_after_write(struct SPDY_Session *session, int was_written) { #if HAVE_DECL_TCP_CORK if(SPDY_YES == was_written && 0 == (SPDY_DAEMON_FLAG_NO_DELAY & session->daemon->flags)) { int val = 0; int ret; ret = setsockopt(session->socket_fd, IPPROTO_TCP, TCP_CORK, &val, (socklen_t)sizeof(val)); if(-1 == ret) SPDYF_DEBUG("WARNING: Couldn't unset the new connection to TCP_CORK"); } #endif return was_written; } libmicrohttpd-0.9.33/src/microspdy/compression.c0000644000175000017500000004363312146115706016714 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file compression.c * @brief zlib handling functions * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "compression.h" /* spdy ver 3 specific dictionary used by zlib */ static const unsigned char spdyf_zlib_dictionary[] = { 0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, // - - - - o p t i 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, // o n s - - - - h 0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, // e a d - - - - p 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, // o s t - - - - p 0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, // u t - - - - d e 0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, // l e t e - - - - 0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, // t r a c e - - - 0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, // - a c c e p t - 0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, // - - - a c c e p 0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // t - c h a r s e 0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, // t - - - - a c c 0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, // e p t - e n c o 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, // d i n g - - - - 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, // a c c e p t - l 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, // a n g u a g e - 0x00, 0x00, 0x0d, 0x61, 0x63, 0x63, 0x65, 0x70, // - - - a c c e p 0x74, 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x73, // t - r a n g e s 0x00, 0x00, 0x00, 0x03, 0x61, 0x67, 0x65, 0x00, // - - - - a g e - 0x00, 0x00, 0x05, 0x61, 0x6c, 0x6c, 0x6f, 0x77, // - - - a l l o w 0x00, 0x00, 0x00, 0x0d, 0x61, 0x75, 0x74, 0x68, // - - - - a u t h 0x6f, 0x72, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, // o r i z a t i o 0x6e, 0x00, 0x00, 0x00, 0x0d, 0x63, 0x61, 0x63, // n - - - - c a c 0x68, 0x65, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, // h e - c o n t r 0x6f, 0x6c, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, // o l - - - - c o 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, // n n e c t i o n 0x00, 0x00, 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, // - 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x m l 0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, // - t e x t - p l 0x61, 0x69, 0x6e, 0x2c, 0x74, 0x65, 0x78, 0x74, // a i n - t e x t 0x2f, 0x6a, 0x61, 0x76, 0x61, 0x73, 0x63, 0x72, // - j a v a s c r 0x69, 0x70, 0x74, 0x2c, 0x70, 0x75, 0x62, 0x6c, // i p t - p u b l 0x69, 0x63, 0x70, 0x72, 0x69, 0x76, 0x61, 0x74, // i c p r i v a t 0x65, 0x6d, 0x61, 0x78, 0x2d, 0x61, 0x67, 0x65, // e m a x - a g e 0x3d, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x64, 0x65, // - g z i p - d e 0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, // f l a t e - s d 0x63, 0x68, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // c h c h a r s e 0x74, 0x3d, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x63, // t - u t f - 8 c 0x68, 0x61, 0x72, 0x73, 0x65, 0x74, 0x3d, 0x69, // h a r s e t - i 0x73, 0x6f, 0x2d, 0x38, 0x38, 0x35, 0x39, 0x2d, // s o - 8 8 5 9 - 0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x2c, 0x2a, // 1 - u t f - - - 0x2c, 0x65, 0x6e, 0x71, 0x3d, 0x30, 0x2e // - e n q - 0 - }; int SPDYF_zlib_deflate_init(z_stream *strm) { int ret; strm->zalloc = Z_NULL; strm->zfree = Z_NULL; strm->opaque = Z_NULL; //the second argument is "level of compression" //use 0 for no compression; 9 for best compression ret = deflateInit(strm, Z_DEFAULT_COMPRESSION); if(ret != Z_OK) { SPDYF_DEBUG("deflate init"); return SPDY_NO; } ret = deflateSetDictionary(strm, spdyf_zlib_dictionary, sizeof(spdyf_zlib_dictionary)); if(ret != Z_OK) { SPDYF_DEBUG("deflate set dict"); deflateEnd(strm); return SPDY_NO; } return SPDY_YES; } void SPDYF_zlib_deflate_end(z_stream *strm) { deflateEnd(strm); } int SPDYF_zlib_deflate(z_stream *strm, const void *src, size_t src_size, size_t *data_used, void **dest, size_t *dest_size) { int ret; int flush; unsigned int have; Bytef out[SPDYF_ZLIB_CHUNK]; *dest = NULL; *dest_size = 0; do { /* check for big data bigger than the buffer used */ if(src_size > SPDYF_ZLIB_CHUNK) { strm->avail_in = SPDYF_ZLIB_CHUNK; src_size -= SPDYF_ZLIB_CHUNK; /* flush is used for the loop to detect if we still * need to supply additional * data to the stream via avail_in and next_in. */ flush = Z_NO_FLUSH; } else { strm->avail_in = src_size; flush = Z_SYNC_FLUSH; } *data_used += strm->avail_in; strm->next_in = (Bytef *)src; /* Loop while output data is available */ do { strm->avail_out = SPDYF_ZLIB_CHUNK; strm->next_out = out; /* No need to check return value of deflate. * (See zlib documentation at http://www.zlib.net/zlib_how.html */ ret = deflate(strm, flush); have = SPDYF_ZLIB_CHUNK - strm->avail_out; /* (Re)allocate memory for dest and keep track of it's size. */ *dest_size += have; *dest = realloc(*dest, *dest_size); if(!*dest) { SPDYF_DEBUG("realloc data for result"); deflateEnd(strm); return SPDY_NO; } memcpy((*dest) + ((*dest_size) - have), out, have); } while(strm->avail_out == 0); /* At this point, all of the input data should already * have been used. */ SPDYF_ASSERT(strm->avail_in == 0,"compressing bug"); } while(flush != Z_SYNC_FLUSH); return Z_OK == ret ? SPDY_YES : SPDY_NO; } int SPDYF_zlib_inflate_init(z_stream *strm) { int ret; strm->zalloc = Z_NULL; strm->zfree = Z_NULL; strm->opaque = Z_NULL; strm->avail_in = 0; strm->next_in = Z_NULL; //change 15 to lower value for performance and benchmark //"The windowBits parameter is the base two logarithm of the // maximum window size (the size of the history buffer)." ret = inflateInit2(strm, 15); if(ret != Z_OK) { SPDYF_DEBUG("Cannot inflateInit2 the stream"); return SPDY_NO; } return SPDY_YES; } void SPDYF_zlib_inflate_end(z_stream *strm) { inflateEnd(strm); } int SPDYF_zlib_inflate(z_stream *strm, const void *src, size_t src_size, void **dest, size_t *dest_size) { int ret = Z_OK; uint32_t have; Bytef out[SPDYF_ZLIB_CHUNK]; *dest = NULL; *dest_size = 0; /* decompress until deflate stream ends or end of file */ do { if(src_size > SPDYF_ZLIB_CHUNK) { strm->avail_in = SPDYF_ZLIB_CHUNK; src_size -= SPDYF_ZLIB_CHUNK; } else { strm->avail_in = src_size; src_size = 0; } if(strm->avail_in == 0){ //the loop breaks always here as the stream never ends break; } strm->next_in = (Bytef *) src; /* run inflate() on input until output buffer not full */ do { strm->avail_out = SPDYF_ZLIB_CHUNK; strm->next_out = out; ret = inflate(strm, Z_SYNC_FLUSH); switch (ret) { case Z_STREAM_ERROR: SPDYF_DEBUG("Error on inflate"); //no inflateEnd here, same in zlib example return SPDY_NO; case Z_NEED_DICT: ret = inflateSetDictionary(strm, spdyf_zlib_dictionary, sizeof(spdyf_zlib_dictionary)); if(ret != Z_OK) { SPDYF_DEBUG("Error on inflateSetDictionary"); inflateEnd(strm); return SPDY_NO; } ret = inflate(strm, Z_SYNC_FLUSH); if(Z_STREAM_ERROR == ret) { SPDYF_DEBUG("Error on inflate"); return SPDY_NO; } break; case Z_DATA_ERROR: SPDYF_DEBUG("Z_DATA_ERROR"); inflateEnd(strm); return SPDY_NO; case Z_MEM_ERROR: SPDYF_DEBUG("Z_MEM_ERROR"); inflateEnd(strm); return SPDY_NO; } have = SPDYF_ZLIB_CHUNK - strm->avail_out; *dest_size += have; /* (re)alloc memory for the output buffer */ *dest = realloc(*dest, *dest_size); if(!*dest) { SPDYF_DEBUG("Cannot realloc memory"); inflateEnd(strm); return SPDY_NO; } memcpy((*dest) + ((*dest_size) - have), out, have); } while (0 == strm->avail_out); } while (Z_STREAM_END != ret); return Z_OK == ret || Z_STREAM_END == ret ? SPDY_YES : SPDY_NO; } libmicrohttpd-0.9.33/src/microspdy/io_raw.h0000644000175000017500000000714212166602055015633 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file io_raw.h * @brief IO for SPDY without TLS. * @author Andrey Uzunov */ #ifndef IO_RAW_H #define IO_RAW_H #include "platform.h" /** * Must be called only once in the program. * */ void SPDYF_raw_global_init(); /** * Should be called * at the end of the program. * */ void SPDYF_raw_global_deinit(); /** * Must be called when the daemon starts. * * @param daemon SPDY_Daemon * @return SPDY_YES on success or SPDY_NO on error */ int SPDYF_raw_init(struct SPDY_Daemon *daemon); /** * Should be called * when the deamon is stopped. * * @param daemon SPDY_Daemon which is being stopped */ void SPDYF_raw_deinit(struct SPDY_Daemon *daemon); /** * Must be called * after the connection has been accepted. * * @param session SPDY_Session whose socket will be used * @return SPDY_NO if some funcs fail. SPDY_YES otherwise */ int SPDYF_raw_new_session(struct SPDY_Session *session); /** * Should be called * closing session's socket. * * @param session SPDY_Session whose socket is used */ void SPDYF_raw_close_session(struct SPDY_Session *session); /** * Reading from socket. Reads available data and put it to the * buffer. * * @param session for which data is received * @param buffer where data from the socket will be written to * @param size of the buffer * @return number of bytes (at most size) read from the connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ int SPDYF_raw_recv(struct SPDY_Session *session, void * buffer, size_t size); /** * Writing to socket. Writes the data given into the buffer to the * socket. * * @param session whose context is used * @param buffer from where data will be written to the socket * @param size number of bytes to be taken from the buffer * @return number of bytes (at most size) from the buffer that has been * written to the connection * 0 if the other party has closed the connection * SPDY_IO_ERROR code on error */ int SPDYF_raw_send(struct SPDY_Session *session, const void * buffer, size_t size); /** * Checks if there is data staying in the buffers of the underlying * system that waits to be read. Always returns SPDY_NO, as we do not * use a subsystem here. * * @param session which is checked * @return SPDY_YES if data is pending or SPDY_NO otherwise */ int SPDYF_raw_is_pending(struct SPDY_Session *session); /** * Sets TCP_CORK. * * @param session * @return SPDY_NO if writing must not happen in the call; * SPDY_YES otherwise */ int SPDYF_raw_before_write(struct SPDY_Session *session); /** * Unsets TCP_CORK. * * @param session * @param was_written has the same value as the write function for the * session will return * @return returned value will be used by the write function to return */ int SPDYF_raw_after_write(struct SPDY_Session *session, int was_written); #endif libmicrohttpd-0.9.33/src/microspdy/internal.c0000644000175000017500000000223012220104105016133 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file microspdy/internal.c * @brief internal functions and macros for the framing layer * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" unsigned long long SPDYF_monotonic_time (void) { #ifdef HAVE_CLOCK_GETTIME #ifdef CLOCK_MONOTONIC struct timespec ts; if (0 == clock_gettime (CLOCK_MONOTONIC, &ts)) return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; #endif #endif return time (NULL) * 1000; } libmicrohttpd-0.9.33/src/microspdy/applicationlayer.h0000644000175000017500000000163512121051051017675 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file applicationlayer.h * @brief SPDY application or HTTP layer * @author Andrey Uzunov */ #ifndef APPLICATIONLAYER_H #define APPLICATIONLAYER_H #include "platform.h" #endif libmicrohttpd-0.9.33/src/microspdy/structures.c0000644000175000017500000003406012225556662016600 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file structures.c * @brief Functions for handling most of the structures in defined * in structures.h * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "session.h" //TODO not for here? #include int SPDYF_name_value_is_empty(struct SPDY_NameValue *container) { SPDYF_ASSERT(NULL != container, "NULL is not an empty container!"); return (NULL == container->name && NULL == container->value) ? SPDY_YES : SPDY_NO; } struct SPDY_NameValue * SPDY_name_value_create () { struct SPDY_NameValue *pair; if(NULL == (pair = malloc(sizeof(struct SPDY_NameValue)))) return NULL; memset (pair, 0, sizeof (struct SPDY_NameValue)); return pair; } int SPDY_name_value_add (struct SPDY_NameValue *container, const char *name, const char *value) { unsigned int i; unsigned int len; struct SPDY_NameValue *pair; struct SPDY_NameValue *temp; char **temp_value; char *temp_string; if(NULL == container || NULL == name || 0 == (len = strlen(name))) return SPDY_INPUT_ERROR; for(i=0; iname = strdup (name))) { return SPDY_NO; } if (NULL == (container->value = malloc(sizeof(char *)))) { free(container->name); return SPDY_NO; } if (NULL == (container->value[0] = strdup (value))) { free(container->value); free(container->name); return SPDY_NO; } container->num_values = 1; return SPDY_YES; } pair = container; while(NULL != pair) { if(0 == strcmp(pair->name, name)) { //the value will be added to this pair break; } pair = pair->next; } if(NULL == pair) { //the name doesn't exist in container, add new pair if(NULL == (pair = malloc(sizeof(struct SPDY_NameValue)))) return SPDY_NO; memset(pair, 0, sizeof(struct SPDY_NameValue)); if (NULL == (pair->name = strdup (name))) { free(pair); return SPDY_NO; } if (NULL == (pair->value = malloc(sizeof(char *)))) { free(pair->name); free(pair); return SPDY_NO; } if (NULL == (pair->value[0] = strdup (value))) { free(pair->value); free(pair->name); free(pair); return SPDY_NO; } pair->num_values = 1; temp = container; while(NULL != temp->next) temp = temp->next; temp->next = pair; pair->prev = temp; return SPDY_YES; } //check for duplication (case sensitive) for(i=0; inum_values; ++i) if(0 == strcmp(pair->value[i], value)) return SPDY_NO; if(strlen(pair->value[0]) > 0) { //the value will be appended to the others for this name if (NULL == (temp_value = malloc((pair->num_values + 1) * sizeof(char *)))) { return SPDY_NO; } memcpy(temp_value, pair->value, pair->num_values * sizeof(char *)); if (NULL == (temp_value[pair->num_values] = strdup (value))) { free(temp_value); return SPDY_NO; } free(pair->value); pair->value = temp_value; ++pair->num_values; return SPDY_YES; } //just replace the empty value if (NULL == (temp_string = strdup (value))) { return SPDY_NO; } free(pair->value[0]); pair->value[0] = temp_string; return SPDY_YES; } const char * const * SPDY_name_value_lookup (struct SPDY_NameValue *container, const char *name, int *num_values) { struct SPDY_NameValue *temp = container; if(NULL == container || NULL == name || NULL == num_values) return NULL; if(SPDYF_name_value_is_empty(container)) return NULL; do { if(strcmp(name, temp->name) == 0) { *num_values = temp->num_values; return (const char * const *)temp->value; } temp = temp->next; } while(NULL != temp); return NULL; } void SPDY_name_value_destroy (struct SPDY_NameValue *container) { unsigned int i; struct SPDY_NameValue *temp = container; while(NULL != temp) { container = container->next; free(temp->name); for(i=0; inum_values; ++i) free(temp->value[i]); free(temp->value); free(temp); temp=container; } } int SPDY_name_value_iterate (struct SPDY_NameValue *container, SPDY_NameValueIterator iterator, void *iterator_cls) { int count; int ret; struct SPDY_NameValue *temp = container; if(NULL == container) return SPDY_INPUT_ERROR; //check if container is an empty struct if(SPDYF_name_value_is_empty(container)) return 0; count = 0; if(NULL == iterator) { do { ++count; temp=temp->next; } while(NULL != temp); return count; } //code duplication for avoiding if here do { ++count; ret = iterator(iterator_cls, temp->name, (const char * const *)temp->value, temp->num_values); temp=temp->next; } while(NULL != temp && SPDY_YES == ret); return count; } void SPDY_destroy_response(struct SPDY_Response *response) { if(NULL == response) return; free(response->data); free(response->headers); free(response); } struct SPDYF_Response_Queue * SPDYF_response_queue_create(bool is_data, void *data, size_t data_size, struct SPDY_Response *response, struct SPDYF_Stream *stream, bool closestream, SPDYF_ResponseQueueResultCallback frqcb, void *frqcb_cls, SPDY_ResponseResultCallback rrcb, void *rrcb_cls) { struct SPDYF_Response_Queue *head = NULL; struct SPDYF_Response_Queue *prev; struct SPDYF_Response_Queue *response_to_queue; struct SPDYF_Control_Frame *control_frame; struct SPDYF_Data_Frame *data_frame; unsigned int i; bool is_last; SPDYF_ASSERT((! is_data) || ((0 == data_size) && (NULL != response->rcb)) || ((0 < data_size) && (NULL == response->rcb)), "either data or request->rcb must not be null"); if (is_data && (data_size > SPDY_MAX_SUPPORTED_FRAME_SIZE)) { //separate the data in more frames and add them to the queue prev=NULL; for(i = 0; i < data_size; i += SPDY_MAX_SUPPORTED_FRAME_SIZE) { is_last = (i + SPDY_MAX_SUPPORTED_FRAME_SIZE) >= data_size; if(NULL == (response_to_queue = malloc(sizeof(struct SPDYF_Response_Queue)))) goto free_and_fail; memset(response_to_queue, 0, sizeof(struct SPDYF_Response_Queue)); if(0 == i) head = response_to_queue; if(NULL == (data_frame = malloc(sizeof(struct SPDYF_Data_Frame)))) { free(response_to_queue); goto free_and_fail; } memset(data_frame, 0, sizeof(struct SPDYF_Data_Frame)); data_frame->control_bit = 0; data_frame->stream_id = stream->stream_id; if(is_last && closestream) data_frame->flags |= SPDY_DATA_FLAG_FIN; response_to_queue->data_frame = data_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_data; response_to_queue->is_data = is_data; response_to_queue->stream = stream; if(is_last) { response_to_queue->frqcb = frqcb; response_to_queue->frqcb_cls = frqcb_cls; response_to_queue->rrcb = rrcb; response_to_queue->rrcb_cls = rrcb_cls; } response_to_queue->data = data + i; response_to_queue->data_size = is_last ? (data_size - 1) % SPDY_MAX_SUPPORTED_FRAME_SIZE + 1 : SPDY_MAX_SUPPORTED_FRAME_SIZE; response_to_queue->response = response; response_to_queue->prev = prev; if(NULL != prev) prev->next = response_to_queue; prev = response_to_queue; } return head; //for GOTO free_and_fail: while(NULL != head) { response_to_queue = head; head = head->next; free(response_to_queue->data_frame); free(response_to_queue); } return NULL; } //create only one frame for data, data with callback or control frame if(NULL == (response_to_queue = malloc(sizeof(struct SPDYF_Response_Queue)))) { return NULL; } memset(response_to_queue, 0, sizeof(struct SPDYF_Response_Queue)); if(is_data) { if(NULL == (data_frame = malloc(sizeof(struct SPDYF_Data_Frame)))) { free(response_to_queue); return NULL; } memset(data_frame, 0, sizeof(struct SPDYF_Data_Frame)); data_frame->control_bit = 0; data_frame->stream_id = stream->stream_id; if(closestream && NULL == response->rcb) data_frame->flags |= SPDY_DATA_FLAG_FIN; response_to_queue->data_frame = data_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_data; } else { if(NULL == (control_frame = malloc(sizeof(struct SPDYF_Control_Frame)))) { free(response_to_queue); return NULL; } memset(control_frame, 0, sizeof(struct SPDYF_Control_Frame)); control_frame->control_bit = 1; control_frame->version = SPDY_VERSION; control_frame->type = SPDY_CONTROL_FRAME_TYPES_SYN_REPLY; if(closestream) control_frame->flags |= SPDY_SYN_REPLY_FLAG_FIN; response_to_queue->control_frame = control_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_syn_reply; } response_to_queue->is_data = is_data; response_to_queue->stream = stream; response_to_queue->frqcb = frqcb; response_to_queue->frqcb_cls = frqcb_cls; response_to_queue->rrcb = rrcb; response_to_queue->rrcb_cls = rrcb_cls; response_to_queue->data = data; response_to_queue->data_size = data_size; response_to_queue->response = response; return response_to_queue; } void SPDYF_response_queue_destroy(struct SPDYF_Response_Queue *response_queue) { //data is not copied to the struct but only linked //but this is not valid for GOAWAY and RST_STREAM if(!response_queue->is_data && (SPDY_CONTROL_FRAME_TYPES_RST_STREAM == response_queue->control_frame->type || SPDY_CONTROL_FRAME_TYPES_GOAWAY == response_queue->control_frame->type)) { free(response_queue->data); } if(response_queue->is_data) free(response_queue->data_frame); else free(response_queue->control_frame); free(response_queue); } ssize_t SPDYF_name_value_to_stream(struct SPDY_NameValue * container[], int num_containers, void **stream) { size_t size; int32_t num_pairs = 0; int32_t value_size; int32_t name_size; int32_t temp; unsigned int i; unsigned int offset; unsigned int value_offset; struct SPDY_NameValue * iterator; int j; size = 4; //for num pairs for(j=0; jname); //length + string SPDYF_ASSERT(iterator->num_values>0, "num_values is 0"); size += 4; //value length for(i=0; inum_values; ++i) { size += strlen(iterator->value[i]); // string if(i/* || !strlen(iterator->value[i])*/) ++size; //NULL separator } iterator = iterator->next; } } if(NULL == (*stream = malloc(size))) { return -1; } //put num_pairs to the stream num_pairs = htonl(num_pairs); memcpy(*stream, &num_pairs, 4); offset = 4; //put all other headers to the stream for(j=0; jname); temp = htonl(name_size); memcpy(*stream + offset, &temp, 4); offset += 4; strncpy(*stream + offset, iterator->name, name_size); offset += name_size; value_offset = offset; offset += 4; for(i=0; inum_values; ++i) { if(i /*|| !strlen(iterator->value[0])*/) { memset(*stream + offset, 0, 1); ++offset; //if(!i) continue; } strncpy(*stream + offset, iterator->value[i], strlen(iterator->value[i])); offset += strlen(iterator->value[i]); } value_size = offset - value_offset - 4; value_size = htonl(value_size); memcpy(*stream + value_offset, &value_size, 4); iterator = iterator->next; } } SPDYF_ASSERT(offset == size,"offset is wrong"); return size; } int SPDYF_name_value_from_stream(void *stream, size_t size, struct SPDY_NameValue ** container) { int32_t num_pairs; int32_t value_size; int32_t name_size; int i; unsigned int offset = 0; unsigned int value_end_offset; char *name; char *value; if(NULL == (*container = SPDY_name_value_create ())) { return SPDY_NO; } //get number of pairs memcpy(&num_pairs, stream, 4); offset = 4; num_pairs = ntohl(num_pairs); if(num_pairs > 0) { for(i = 0; i < num_pairs; ++i) { //get name size memcpy(&name_size, stream + offset, 4); offset += 4; name_size = ntohl(name_size); //get name if(NULL == (name = strndup(stream + offset, name_size))) { SPDY_name_value_destroy(*container); return SPDY_NO; } offset+=name_size; //get value size memcpy(&value_size, stream + offset, 4); offset += 4; value_size = ntohl(value_size); value_end_offset = offset + value_size; //get value do { if(NULL == (value = strndup(stream + offset, value_size))) { free(name); SPDY_name_value_destroy(*container); return SPDY_NO; } offset += strlen(value); if(offset < value_end_offset) ++offset; //NULL separator //add name/value to the struct if(SPDY_YES != SPDY_name_value_add(*container, name, value)) { free(name); free(value); SPDY_name_value_destroy(*container); return SPDY_NO; } free(value); } while(offset < value_end_offset); free(name); if(offset != value_end_offset) { SPDY_name_value_destroy(*container); return SPDY_INPUT_ERROR; } } } if(offset == size) return SPDY_YES; SPDY_name_value_destroy(*container); return SPDY_INPUT_ERROR; } libmicrohttpd-0.9.33/src/microspdy/alstructures.c0000644000175000017500000000230112121051051017057 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file alstructures.c * @brief structures only for the application layer * @author Andrey Uzunov */ #include "platform.h" #include "alstructures.h" #include "internal.h" void SPDY_destroy_request (struct SPDY_Request *request) { if(NULL == request) { SPDYF_DEBUG("request is NULL"); return; } //strings into request struct are just references to strings in //headers, so no need to free them twice SPDY_name_value_destroy(request->headers); free(request); } libmicrohttpd-0.9.33/src/microspdy/compression.h0000644000175000017500000000613312122661535016713 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file compression.h * @brief zlib handling functions * @author Andrey Uzunov */ #ifndef COMPRESSION_H #define COMPRESSION_H #include "platform.h" /* size of buffers used by zlib on (de)compressing */ #define SPDYF_ZLIB_CHUNK 16384 /** * Initializes the zlib stream for compression. Must be called once * for a session on initialization. * * @param strm Zlib stream on which we work * @return SPDY_NO if zlib failed. SPDY_YES otherwise */ int SPDYF_zlib_deflate_init(z_stream *strm); /** * Deinitializes the zlib stream for compression. Should be called once * for a session on cleaning up. * * @param strm Zlib stream on which we work */ void SPDYF_zlib_deflate_end(z_stream *strm); /** * Compressing stream with zlib. * * @param strm Zlib stream on which we work * @param src stream of the data to be compressed * @param src_size size of the data * @param data_used the number of bytes from src_stream that were used * TODO do we need * @param dest the resulting compressed stream. Should be NULL. Must be * freed later manually. * @param dest_size size of the data after compression * @return SPDY_NO if malloc or zlib failed. SPDY_YES otherwise */ int SPDYF_zlib_deflate(z_stream *strm, const void *src, size_t src_size, size_t *data_used, void **dest, size_t *dest_size); /** * Initializes the zlib stream for decompression. Must be called once * for a session. * * @param strm Zlib stream on which we work * @return SPDY_NO if zlib failed. SPDY_YES otherwise */ int SPDYF_zlib_inflate_init(z_stream *strm); /** * Deinitializes the zlib stream for decompression. Should be called once * for a session on cleaning up. * * @param strm Zlib stream on which we work */ void SPDYF_zlib_inflate_end(z_stream *strm); /** * Decompressing stream with zlib. * * @param strm Zlib stream on which we work * @param src stream of the data to be decompressed * @param src_size size of the data * @param dest the resulting decompressed stream. Should be NULL. Must * be freed manually. * @param dest_size size of the data after decompression * @return SPDY_NO if malloc or zlib failed. SPDY_YES otherwise. If the * function fails, the SPDY session must be closed */ int SPDYF_zlib_inflate(z_stream *strm, const void *src, size_t src_size, void **dest, size_t *dest_size); #endif libmicrohttpd-0.9.33/src/microspdy/EXPORT.sym0000644000175000017500000000007012220104156015734 00000000000000SPDY_start_daemon SPDY_stop_daemon SPDYF_monotonic_time libmicrohttpd-0.9.33/src/microspdy/session.c0000644000175000017500000014321712213116407016027 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file session.c * @brief TCP connection/SPDY session handling. So far most of the * functions for handling SPDY framing layer are here. * @author Andrey Uzunov */ #include "platform.h" #include "structures.h" #include "internal.h" #include "session.h" #include "compression.h" #include "stream.h" #include "io.h" /** * Handler for reading the full SYN_STREAM frame after we know that * the frame is such. * The function waits for the full frame and then changes status * of the session. New stream is created. * * @param session SPDY_Session whose read buffer is used. */ static void spdyf_handler_read_syn_stream (struct SPDY_Session *session) { size_t name_value_strm_size = 0; unsigned int compressed_data_size; int ret; void *name_value_strm = NULL; struct SPDYF_Control_Frame *frame; struct SPDY_NameValue *headers; SPDYF_ASSERT(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status || SPDY_SESSION_STATUS_WAIT_FOR_BODY == session->status, "the function is called wrong"); frame = (struct SPDYF_Control_Frame *)session->frame_handler_cls; //handle subheaders if(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status) { if(0 == frame->length) { //protocol error: incomplete frame //we just ignore it since there is no stream id for which to //send RST_STREAM //TODO maybe GOAWAY and closing session is appropriate SPDYF_DEBUG("zero long SYN_STREAM received"); session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); return; } if(SPDY_YES != SPDYF_stream_new(session)) { /* waiting for some more fields to create new stream or something went wrong, SPDYF_stream_new has handled the situation */ return; } session->current_stream_id = session->streams_head->stream_id; if(frame->length > SPDY_MAX_SUPPORTED_FRAME_SIZE) { //TODO no need to create stream if this happens session->status = SPDY_SESSION_STATUS_IGNORE_BYTES; return; } else session->status = SPDY_SESSION_STATUS_WAIT_FOR_BODY; } //handle body //start reading the compressed name/value pairs (http headers) compressed_data_size = frame->length //everything after length field - 10;//4B stream id, 4B assoc strem id, 2B priority, unused and slot if(session->read_buffer_offset - session->read_buffer_beginning < compressed_data_size) { // the full frame is not yet here, try later return; } if(compressed_data_size > 0 && SPDY_YES != SPDYF_zlib_inflate(&session->zlib_recv_stream, session->read_buffer + session->read_buffer_beginning, compressed_data_size, &name_value_strm, &name_value_strm_size)) { /* something went wrong on inflating, * the state of the stream for decompression is unknown * and we may not be able to read anything more received on * this session, * so it is better to close the session */ free(name_value_strm); free(frame); /* mark the session for closing and close it, when * everything on the output queue is already written */ session->status = SPDY_SESSION_STATUS_FLUSHING; SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_INTERNAL_ERROR, false); return; } if(0 == name_value_strm_size || 0 == compressed_data_size) { //Protocol error: send RST_STREAM if(SPDY_YES != SPDYF_prepare_rst_stream(session, session->streams_head, SPDY_RST_STREAM_STATUS_PROTOCOL_ERROR)) { //no memory, try later to send RST return; } } else { ret = SPDYF_name_value_from_stream(name_value_strm, name_value_strm_size, &headers); if(SPDY_NO == ret) { //memory error, try later free(name_value_strm); return; } session->streams_head->headers = headers; //inform the application layer for the new stream received if(SPDY_YES != session->daemon->fnew_stream_cb(session->daemon->fcls, session->streams_head)) { //memory error, try later free(name_value_strm); return; } session->read_buffer_beginning += compressed_data_size; free(name_value_strm); } //SPDYF_DEBUG("syn_stream received: id %i", session->current_stream_id); //change state to wait for new frame session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); } /** * Handler for reading the GOAWAY frame after we know that * the frame is such. * The function waits for the full frame and then changes status * of the session. * * @param session SPDY_Session whose read buffer is used. */ static void spdyf_handler_read_goaway (struct SPDY_Session *session) { struct SPDYF_Control_Frame *frame; uint32_t last_good_stream_id; uint32_t status_int; enum SPDY_GOAWAY_STATUS status; SPDYF_ASSERT(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status, "the function is called wrong"); frame = (struct SPDYF_Control_Frame *)session->frame_handler_cls; if(frame->length > SPDY_MAX_SUPPORTED_FRAME_SIZE) { //this is a protocol error/attack session->status = SPDY_SESSION_STATUS_IGNORE_BYTES; return; } if(0 != frame->flags || 8 != frame->length) { //this is a protocol error SPDYF_DEBUG("wrong GOAWAY received"); //anyway, it will be handled } if((session->read_buffer_offset - session->read_buffer_beginning) < frame->length) { //not all fields are received //try later return; } //mark that the session is almost closed session->is_goaway_received = true; if(8 == frame->length) { memcpy(&last_good_stream_id, session->read_buffer + session->read_buffer_beginning, 4); last_good_stream_id = NTOH31(last_good_stream_id); session->read_buffer_beginning += 4; memcpy(&status_int, session->read_buffer + session->read_buffer_beginning, 4); status = ntohl(status_int); session->read_buffer_beginning += 4; //TODO do something with last_good //SPDYF_DEBUG("Received GOAWAY; status=%i; lastgood=%i",status,last_good_stream_id); //do something according to the status //TODO switch(status) { case SPDY_GOAWAY_STATUS_OK: break; case SPDY_GOAWAY_STATUS_PROTOCOL_ERROR: break; case SPDY_GOAWAY_STATUS_INTERNAL_ERROR: break; } //SPDYF_DEBUG("goaway received: status %i", status); } session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); } /** * Handler for reading RST_STREAM frames. After receiving the frame * the stream moves into closed state and status * of the session is changed. Frames, belonging to this stream, which * are still at the output queue, will be ignored later. * * @param session SPDY_Session whose read buffer is used. */ static void spdyf_handler_read_rst_stream (struct SPDY_Session *session) { struct SPDYF_Control_Frame *frame; uint32_t stream_id; int32_t status_int; //enum SPDY_RST_STREAM_STATUS status; //for debug struct SPDYF_Stream *stream; SPDYF_ASSERT(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status, "the function is called wrong"); frame = (struct SPDYF_Control_Frame *)session->frame_handler_cls; if(0 != frame->flags || 8 != frame->length) { //this is a protocol error SPDYF_DEBUG("wrong RST_STREAM received"); //ignore as a large frame session->status = SPDY_SESSION_STATUS_IGNORE_BYTES; return; } if((session->read_buffer_offset - session->read_buffer_beginning) < frame->length) { //not all fields are received //try later return; } memcpy(&stream_id, session->read_buffer + session->read_buffer_beginning, 4); stream_id = NTOH31(stream_id); session->read_buffer_beginning += 4; memcpy(&status_int, session->read_buffer + session->read_buffer_beginning, 4); //status = ntohl(status_int); //for debug session->read_buffer_beginning += 4; session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); //mark the stream as closed stream = session->streams_head; while(NULL != stream) { if(stream_id == stream->stream_id) { stream->is_in_closed = true; stream->is_out_closed = true; break; } stream = stream->next; } //SPDYF_DEBUG("Received RST_STREAM; status=%i; id=%i",status,stream_id); //do something according to the status //TODO /*switch(status) { case SPDY_RST_STREAM_STATUS_PROTOCOL_ERROR: break; }*/ } /** * Handler for reading DATA frames. In requests they are used for POST * arguments. * * @param session SPDY_Session whose read buffer is used. */ static void spdyf_handler_read_data (struct SPDY_Session *session) { int ret; struct SPDYF_Data_Frame * frame; struct SPDYF_Stream * stream; SPDYF_ASSERT(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status || SPDY_SESSION_STATUS_WAIT_FOR_BODY == session->status, "the function is called wrong"); //SPDYF_DEBUG("DATA frame received (POST?). Ignoring"); //SPDYF_SIGINT(""); frame = (struct SPDYF_Data_Frame *)session->frame_handler_cls; //handle subheaders if(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status) { if(frame->length > SPDY_MAX_SUPPORTED_FRAME_SIZE) { session->status = SPDY_SESSION_STATUS_IGNORE_BYTES; return; } else session->status = SPDY_SESSION_STATUS_WAIT_FOR_BODY; } //handle body if(session->read_buffer_offset - session->read_buffer_beginning >= frame->length) { stream = SPDYF_stream_find(frame->stream_id, session); if(NULL == stream || stream->is_in_closed || NULL == session->daemon->received_data_cb) { if(NULL == session->daemon->received_data_cb) SPDYF_DEBUG("No callback for DATA frame set; Ignoring DATA frame!"); //TODO send error? //TODO for now ignore frame session->read_buffer_beginning += frame->length; session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); return; } ret = session->daemon->freceived_data_cb(session->daemon->cls, stream, session->read_buffer + session->read_buffer_beginning, frame->length, 0 == (SPDY_DATA_FLAG_FIN & frame->flags)); session->read_buffer_beginning += frame->length; stream->window_size -= frame->length; //TODO close in and send rst maybe SPDYF_ASSERT(SPDY_YES == ret, "Cancel POST data is not yet implemented"); if(SPDY_DATA_FLAG_FIN & frame->flags) { stream->is_in_closed = true; } else if(stream->window_size < SPDYF_INITIAL_WINDOW_SIZE / 2) { //very simple implementation of flow control //when the window's size is under the half of the initial value, //increase it again up to the initial value //prepare WINDOW_UPDATE if(SPDY_YES == SPDYF_prepare_window_update(session, stream, SPDYF_INITIAL_WINDOW_SIZE - stream->window_size)) { stream->window_size = SPDYF_INITIAL_WINDOW_SIZE; } //else: do it later } //SPDYF_DEBUG("data received: id %i", frame->stream_id); session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); } } int SPDYF_handler_write_syn_reply (struct SPDY_Session *session) { struct SPDYF_Response_Queue *response_queue = session->response_queue_head; struct SPDYF_Stream *stream = response_queue->stream; struct SPDYF_Control_Frame control_frame; void *compressed_headers = NULL; size_t compressed_headers_size=0; size_t used_data=0; size_t total_size; uint32_t stream_id_nbo; SPDYF_ASSERT(NULL == session->write_buffer, "the function is called not in the correct moment"); memcpy(&control_frame, response_queue->control_frame, sizeof(control_frame)); if(SPDY_YES != SPDYF_zlib_deflate(&session->zlib_send_stream, response_queue->data, response_queue->data_size, &used_data, &compressed_headers, &compressed_headers_size)) { /* something went wrong on compressing, * the state of the stream for compression is unknown * and we may not be able to send anything more on * this session, * so it is better to close the session right now */ session->status = SPDY_SESSION_STATUS_CLOSING; free(compressed_headers); return SPDY_NO; } //TODO do we need this used_Data SPDYF_ASSERT(used_data == response_queue->data_size, "not everything was used by zlib"); total_size = sizeof(struct SPDYF_Control_Frame) //SPDY header + 4 // stream id as "subheader" + compressed_headers_size; if(NULL == (session->write_buffer = malloc(total_size))) { /* no memory * since we do not save the compressed data anywhere and * the sending zlib stream is already in new state, we must * close the session */ session->status = SPDY_SESSION_STATUS_CLOSING; free(compressed_headers); return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; control_frame.length = compressed_headers_size + 4; // compressed data + stream_id SPDYF_CONTROL_FRAME_HTON(&control_frame); //put frame headers to write buffer memcpy(session->write_buffer + session->write_buffer_offset,&control_frame,sizeof(struct SPDYF_Control_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Control_Frame); //put stream id to write buffer stream_id_nbo = HTON31(stream->stream_id); memcpy(session->write_buffer + session->write_buffer_offset, &stream_id_nbo, 4); session->write_buffer_offset += 4; //put compressed name/value pairs to write buffer memcpy(session->write_buffer + session->write_buffer_offset, compressed_headers, compressed_headers_size); session->write_buffer_offset += compressed_headers_size; SPDYF_ASSERT(0 == session->write_buffer_beginning, "bug1"); SPDYF_ASSERT(session->write_buffer_offset == session->write_buffer_size, "bug2"); //DEBUG CODE, break compression state to see what happens /* SPDYF_zlib_deflate(&session->zlib_send_stream, "1234567890", 10, &used_data, &compressed_headers, &compressed_headers_size); */ free(compressed_headers); session->last_replied_to_stream_id = stream->stream_id; //SPDYF_DEBUG("syn_reply sent: id %i", stream->stream_id); return SPDY_YES; } int SPDYF_handler_write_goaway (struct SPDY_Session *session) { struct SPDYF_Response_Queue *response_queue = session->response_queue_head; struct SPDYF_Control_Frame control_frame; size_t total_size; int last_good_stream_id; SPDYF_ASSERT(NULL == session->write_buffer, "the function is called not in the correct moment"); memcpy(&control_frame, response_queue->control_frame, sizeof(control_frame)); session->is_goaway_sent = true; total_size = sizeof(struct SPDYF_Control_Frame) //SPDY header + 4 // last good stream id as "subheader" + 4; // status code as "subheader" if(NULL == (session->write_buffer = malloc(total_size))) { return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; control_frame.length = 8; // always for GOAWAY SPDYF_CONTROL_FRAME_HTON(&control_frame); //put frame headers to write buffer memcpy(session->write_buffer + session->write_buffer_offset,&control_frame,sizeof(struct SPDYF_Control_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Control_Frame); //put last good stream id to write buffer last_good_stream_id = HTON31(session->last_replied_to_stream_id); memcpy(session->write_buffer + session->write_buffer_offset, &last_good_stream_id, 4); session->write_buffer_offset += 4; //put "data" to write buffer. This is the status memcpy(session->write_buffer + session->write_buffer_offset, response_queue->data, 4); session->write_buffer_offset += 4; //data is not freed by the destroy function so: //free(response_queue->data); //SPDYF_DEBUG("goaway sent: status %i", NTOH31(*(uint32_t*)(response_queue->data))); SPDYF_ASSERT(0 == session->write_buffer_beginning, "bug1"); SPDYF_ASSERT(session->write_buffer_offset == session->write_buffer_size, "bug2"); return SPDY_YES; } int SPDYF_handler_write_data (struct SPDY_Session *session) { struct SPDYF_Response_Queue *response_queue = session->response_queue_head; struct SPDYF_Response_Queue *new_response_queue; size_t total_size; struct SPDYF_Data_Frame data_frame; ssize_t ret; bool more; SPDYF_ASSERT(NULL == session->write_buffer, "the function is called not in the correct moment"); memcpy(&data_frame, response_queue->data_frame, sizeof(data_frame)); if(NULL == response_queue->response->rcb) { //standard response with data into the struct SPDYF_ASSERT(NULL != response_queue->data, "no data for the response"); total_size = sizeof(struct SPDYF_Data_Frame) //SPDY header + response_queue->data_size; if(NULL == (session->write_buffer = malloc(total_size))) { return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; data_frame.length = response_queue->data_size; SPDYF_DATA_FRAME_HTON(&data_frame); //put SPDY headers to the writing buffer memcpy(session->write_buffer + session->write_buffer_offset,&data_frame,sizeof(struct SPDYF_Data_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Data_Frame); //put data to the writing buffer memcpy(session->write_buffer + session->write_buffer_offset, response_queue->data, response_queue->data_size); session->write_buffer_offset += response_queue->data_size; } else { /* response with callbacks. The lib will produce more than 1 * data frames */ total_size = sizeof(struct SPDYF_Data_Frame) //SPDY header + SPDY_MAX_SUPPORTED_FRAME_SIZE; //max possible size if(NULL == (session->write_buffer = malloc(total_size))) { return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; ret = response_queue->response->rcb(response_queue->response->rcb_cls, session->write_buffer + sizeof(struct SPDYF_Data_Frame), response_queue->response->rcb_block_size, &more); if(ret < 0 || ret > response_queue->response->rcb_block_size) { free(session->write_buffer); session->write_buffer = NULL; //send RST_STREAM if(SPDY_YES == (ret = SPDYF_prepare_rst_stream(session, response_queue->stream, SPDY_RST_STREAM_STATUS_INTERNAL_ERROR))) { return SPDY_NO; } //else no memory //for now close session //TODO what? session->status = SPDY_SESSION_STATUS_CLOSING; return SPDY_NO; } if(0 == ret && more) { //the app couldn't write anything to buf but later will free(session->write_buffer); session->write_buffer = NULL; session->write_buffer_size = 0; if(NULL != response_queue->next) { //put the frame at the end of the queue //otherwise - head of line blocking session->response_queue_head = response_queue->next; session->response_queue_head->prev = NULL; session->response_queue_tail->next = response_queue; response_queue->prev = session->response_queue_tail; response_queue->next = NULL; session->response_queue_tail = response_queue; } return SPDY_YES; } if(more) { //create another response queue object to call the user cb again if(NULL == (new_response_queue = SPDYF_response_queue_create(true, NULL, 0, response_queue->response, response_queue->stream, false, response_queue->frqcb, response_queue->frqcb_cls, response_queue->rrcb, response_queue->rrcb_cls))) { //TODO send RST_STREAM //for now close session session->status = SPDY_SESSION_STATUS_CLOSING; free(session->write_buffer); session->write_buffer = NULL; return SPDY_NO; } //put it at second position on the queue new_response_queue->prev = response_queue; new_response_queue->next = response_queue->next; if(NULL == response_queue->next) { session->response_queue_tail = new_response_queue; } else { response_queue->next->prev = new_response_queue; } response_queue->next = new_response_queue; response_queue->frqcb = NULL; response_queue->frqcb_cls = NULL; response_queue->rrcb = NULL; response_queue->rrcb_cls = NULL; } else { data_frame.flags |= SPDY_DATA_FLAG_FIN; } data_frame.length = ret; SPDYF_DATA_FRAME_HTON(&data_frame); //put SPDY headers to the writing buffer memcpy(session->write_buffer + session->write_buffer_offset, &data_frame, sizeof(struct SPDYF_Data_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Data_Frame); session->write_buffer_offset += ret; session->write_buffer_size = session->write_buffer_offset; } //SPDYF_DEBUG("data sent: id %i", NTOH31(data_frame.stream_id)); SPDYF_ASSERT(0 == session->write_buffer_beginning, "bug1"); SPDYF_ASSERT(session->write_buffer_offset == session->write_buffer_size, "bug2"); return SPDY_YES; } int SPDYF_handler_write_rst_stream (struct SPDY_Session *session) { struct SPDYF_Response_Queue *response_queue = session->response_queue_head; struct SPDYF_Control_Frame control_frame; size_t total_size; SPDYF_ASSERT(NULL == session->write_buffer, "the function is called not in the correct moment"); memcpy(&control_frame, response_queue->control_frame, sizeof(control_frame)); total_size = sizeof(struct SPDYF_Control_Frame) //SPDY header + 4 // stream id as "subheader" + 4; // status code as "subheader" if(NULL == (session->write_buffer = malloc(total_size))) { return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; control_frame.length = 8; // always for RST_STREAM SPDYF_CONTROL_FRAME_HTON(&control_frame); //put frame headers to write buffer memcpy(session->write_buffer + session->write_buffer_offset,&control_frame,sizeof(struct SPDYF_Control_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Control_Frame); //put stream id to write buffer. This is the status memcpy(session->write_buffer + session->write_buffer_offset, response_queue->data, 8); session->write_buffer_offset += 8; //data is not freed by the destroy function so: //free(response_queue->data); //SPDYF_DEBUG("rst_stream sent: id %i", NTOH31((((uint64_t)response_queue->data) & 0xFFFF0000) >> 32)); SPDYF_ASSERT(0 == session->write_buffer_beginning, "bug1"); SPDYF_ASSERT(session->write_buffer_offset == session->write_buffer_size, "bug2"); return SPDY_YES; } int SPDYF_handler_write_window_update (struct SPDY_Session *session) { struct SPDYF_Response_Queue *response_queue = session->response_queue_head; struct SPDYF_Control_Frame control_frame; size_t total_size; SPDYF_ASSERT(NULL == session->write_buffer, "the function is called not in the correct moment"); memcpy(&control_frame, response_queue->control_frame, sizeof(control_frame)); total_size = sizeof(struct SPDYF_Control_Frame) //SPDY header + 4 // stream id as "subheader" + 4; // delta-window-size as "subheader" if(NULL == (session->write_buffer = malloc(total_size))) { return SPDY_NO; } session->write_buffer_beginning = 0; session->write_buffer_offset = 0; session->write_buffer_size = total_size; control_frame.length = 8; // always for WINDOW_UPDATE SPDYF_CONTROL_FRAME_HTON(&control_frame); //put frame headers to write buffer memcpy(session->write_buffer + session->write_buffer_offset,&control_frame,sizeof(struct SPDYF_Control_Frame)); session->write_buffer_offset += sizeof(struct SPDYF_Control_Frame); //put stream id and delta-window-size to write buffer memcpy(session->write_buffer + session->write_buffer_offset, response_queue->data, 8); session->write_buffer_offset += 8; //SPDYF_DEBUG("window_update sent: id %i", NTOH31((((uint64_t)response_queue->data) & 0xFFFF0000) >> 32)); SPDYF_ASSERT(0 == session->write_buffer_beginning, "bug1"); SPDYF_ASSERT(session->write_buffer_offset == session->write_buffer_size, "bug2"); return SPDY_YES; } void SPDYF_handler_ignore_frame (struct SPDY_Session *session) { struct SPDYF_Control_Frame *frame; SPDYF_ASSERT(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status || SPDY_SESSION_STATUS_WAIT_FOR_BODY == session->status, "the function is called wrong"); frame = (struct SPDYF_Control_Frame *)session->frame_handler_cls; //handle subheaders if(SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER == session->status) { if(frame->length > SPDY_MAX_SUPPORTED_FRAME_SIZE) { session->status = SPDY_SESSION_STATUS_IGNORE_BYTES; return; } else session->status = SPDY_SESSION_STATUS_WAIT_FOR_BODY; } //handle body if(session->read_buffer_offset - session->read_buffer_beginning >= frame->length) { session->read_buffer_beginning += frame->length; session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(frame); } } int SPDYF_session_read (struct SPDY_Session *session) { int bytes_read; bool reallocate; size_t actual_buf_size; if(SPDY_SESSION_STATUS_CLOSING == session->status || SPDY_SESSION_STATUS_FLUSHING == session->status) return SPDY_NO; //if the read buffer is full to the end, we need to reallocate space if (session->read_buffer_size == session->read_buffer_offset) { //but only if the state of the session requires it //i.e. no further proceeding is possible without reallocation reallocate = false; actual_buf_size = session->read_buffer_offset - session->read_buffer_beginning; switch(session->status) { case SPDY_SESSION_STATUS_WAIT_FOR_HEADER: case SPDY_SESSION_STATUS_IGNORE_BYTES: //we need space for a whole control frame header if(actual_buf_size < sizeof(struct SPDYF_Control_Frame)) reallocate = true; break; case SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER: case SPDY_SESSION_STATUS_WAIT_FOR_BODY: //we need as many bytes as set in length field of the //header SPDYF_ASSERT(NULL != session->frame_handler_cls, "no frame for session"); if(session->frame_handler != &spdyf_handler_read_data) { if(actual_buf_size < ((struct SPDYF_Control_Frame *)session->frame_handler_cls)->length) reallocate = true; } else { if(actual_buf_size < ((struct SPDYF_Data_Frame *)session->frame_handler_cls)->length) reallocate = true; } break; case SPDY_SESSION_STATUS_CLOSING: case SPDY_SESSION_STATUS_FLUSHING: //nothing needed break; } if(reallocate) { //reuse the space in the buffer that was already read by the lib memmove(session->read_buffer, session->read_buffer + session->read_buffer_beginning, session->read_buffer_offset - session->read_buffer_beginning); session->read_buffer_offset -= session->read_buffer_beginning; session->read_buffer_beginning = 0; } else { //will read next time //TODO optimize it, memmove more often? return SPDY_NO; } } session->last_activity = SPDYF_monotonic_time(); //actual read from the TLS socket bytes_read = session->fio_recv(session, session->read_buffer + session->read_buffer_offset, session->read_buffer_size - session->read_buffer_offset); switch(bytes_read) { case SPDY_IO_ERROR_CLOSED: //The TLS connection was closed by the other party, clean //or not shutdown (session->socket_fd, SHUT_RD); session->read_closed = true; session->status = SPDY_SESSION_STATUS_CLOSING; return SPDY_YES; case SPDY_IO_ERROR_ERROR: //any kind of error in the TLS subsystem //try to prepare GOAWAY frame SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_INTERNAL_ERROR, false); //try to flush the queue when write is called session->status = SPDY_SESSION_STATUS_FLUSHING; return SPDY_YES; case SPDY_IO_ERROR_AGAIN: //read or write should be called again; leave it for the //next time return SPDY_NO; //default: //something was really read from the TLS subsystem //just continue } session->read_buffer_offset += bytes_read; return SPDY_YES; } int SPDYF_session_write (struct SPDY_Session *session, bool only_one_frame) { unsigned int i; int bytes_written; struct SPDYF_Response_Queue *queue_head; struct SPDYF_Response_Queue *response_queue; if(SPDY_SESSION_STATUS_CLOSING == session->status) return SPDY_NO; if(SPDY_NO == session->fio_before_write(session)) return SPDY_NO; for(i=0; only_one_frame ? i < 1 : i < session->max_num_frames; ++i) { //if the buffer is not null, part of the last frame is still //pending to be sent if(NULL == session->write_buffer) { //discard frames on closed streams response_queue = session->response_queue_head; while(NULL != response_queue) { //if stream is closed, remove not yet sent frames //associated with it //GOAWAY frames are not associated to streams //and still need to be sent if(NULL == response_queue->stream || !response_queue->stream->is_out_closed) break; DLL_remove(session->response_queue_head,session->response_queue_tail,response_queue); if(NULL != response_queue->frqcb) { response_queue->frqcb(response_queue->frqcb_cls, response_queue, SPDY_RESPONSE_RESULT_STREAM_CLOSED); } SPDYF_response_queue_destroy(response_queue); response_queue = session->response_queue_head; } if(NULL == session->response_queue_head) break;//nothing on the queue //get next data from queue and put it to the write buffer // to send it if(SPDY_NO == session->response_queue_head->process_response_handler(session)) { //error occured and the handler changed or not the //session's status appropriately if(SPDY_SESSION_STATUS_CLOSING == session->status) { //try to send GOAWAY first if the current frame is different if(session->response_queue_head->is_data || SPDY_CONTROL_FRAME_TYPES_GOAWAY != session->response_queue_head->control_frame->type) { session->status = SPDY_SESSION_STATUS_FLUSHING; SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_INTERNAL_ERROR, true); SPDYF_session_write(session,true); session->status = SPDY_SESSION_STATUS_CLOSING; } return SPDY_YES; } //just return from the loop to return from this function ++i; break; } //check if something was prepared for writing //on respones with callbacks it is possible that their is no //data available if(0 == session->write_buffer_size)//nothing to write { if(response_queue != session->response_queue_head) { //the handler modified the queue continue; } else { //no need to try the same frame again ++i; break; } } } session->last_activity = SPDYF_monotonic_time(); //actual write to the IO bytes_written = session->fio_send(session, session->write_buffer + session->write_buffer_beginning, session->write_buffer_offset - session->write_buffer_beginning); switch(bytes_written) { case SPDY_IO_ERROR_CLOSED: //The TLS connection was closed by the other party, clean //or not shutdown (session->socket_fd, SHUT_RD); session->read_closed = true; session->status = SPDY_SESSION_STATUS_CLOSING; return SPDY_YES; case SPDY_IO_ERROR_ERROR: //any kind of error in the TLS subsystem //forbid more writing session->status = SPDY_SESSION_STATUS_CLOSING; return SPDY_YES; case SPDY_IO_ERROR_AGAIN: //read or write should be called again; leave it for the //next time; return from the function as we do not now //whether reading or writing is needed return i>0 ? SPDY_YES : SPDY_NO; //default: //something was really read from the TLS subsystem //just continue } session->write_buffer_beginning += bytes_written; //check if the full buffer was written if(session->write_buffer_beginning == session->write_buffer_size) { //that response is handled, remove it from queue free(session->write_buffer); session->write_buffer = NULL; session->write_buffer_size = 0; queue_head = session->response_queue_head; if(NULL == queue_head->next) { session->response_queue_head = NULL; session->response_queue_tail = NULL; } else { session->response_queue_head = queue_head->next; session->response_queue_head->prev = NULL; } //set stream to closed if the frame's fin flag is set SPDYF_stream_set_flags_on_write(queue_head); if(NULL != queue_head->frqcb) { //application layer callback to notify sending of the response queue_head->frqcb(queue_head->frqcb_cls, queue_head, SPDY_RESPONSE_RESULT_SUCCESS); } SPDYF_response_queue_destroy(queue_head); } } if(SPDY_SESSION_STATUS_FLUSHING == session->status && NULL == session->response_queue_head) session->status = SPDY_SESSION_STATUS_CLOSING; //return i>0 ? SPDY_YES : SPDY_NO; return session->fio_after_write(session, i>0 ? SPDY_YES : SPDY_NO); } int SPDYF_session_idle (struct SPDY_Session *session) { size_t read_buffer_beginning; size_t frame_length; struct SPDYF_Control_Frame* control_frame; struct SPDYF_Data_Frame *data_frame; //prepare session for closing if timeout is used and already passed if(SPDY_SESSION_STATUS_CLOSING != session->status && session->daemon->session_timeout && (session->last_activity + session->daemon->session_timeout < SPDYF_monotonic_time())) { session->status = SPDY_SESSION_STATUS_CLOSING; //best effort for sending GOAWAY SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_OK, true); SPDYF_session_write(session,true); } switch(session->status) { //expect new frame to arrive case SPDY_SESSION_STATUS_WAIT_FOR_HEADER: session->current_stream_id = 0; //check if the whole frame header is already here //both frame types have the same length if(session->read_buffer_offset - session->read_buffer_beginning < sizeof(struct SPDYF_Control_Frame)) return SPDY_NO; /* check the first bit to see if it is data or control frame * and also if the version is supported */ if(0x80 == *(uint8_t *)(session->read_buffer + session->read_buffer_beginning) && SPDY_VERSION == *((uint8_t *)session->read_buffer + session->read_buffer_beginning + 1)) { //control frame if(NULL == (control_frame = malloc(sizeof(struct SPDYF_Control_Frame)))) { SPDYF_DEBUG("No memory"); return SPDY_NO; } //get frame headers memcpy(control_frame, session->read_buffer + session->read_buffer_beginning, sizeof(struct SPDYF_Control_Frame)); session->read_buffer_beginning += sizeof(struct SPDYF_Control_Frame); SPDYF_CONTROL_FRAME_NTOH(control_frame); session->status = SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER; //assign different frame handler according to frame type switch(control_frame->type){ case SPDY_CONTROL_FRAME_TYPES_SYN_STREAM: session->frame_handler = &spdyf_handler_read_syn_stream; break; case SPDY_CONTROL_FRAME_TYPES_GOAWAY: session->frame_handler = &spdyf_handler_read_goaway; break; case SPDY_CONTROL_FRAME_TYPES_RST_STREAM: session->frame_handler = &spdyf_handler_read_rst_stream; break; default: session->frame_handler = &SPDYF_handler_ignore_frame; } session->frame_handler_cls = control_frame; //DO NOT break the outer case } else if(0 == *(uint8_t *)(session->read_buffer + session->read_buffer_beginning)) { //needed for POST //data frame if(NULL == (data_frame = malloc(sizeof(struct SPDYF_Data_Frame)))) { SPDYF_DEBUG("No memory"); return SPDY_NO; } //get frame headers memcpy(data_frame, session->read_buffer + session->read_buffer_beginning, sizeof(struct SPDYF_Data_Frame)); session->read_buffer_beginning += sizeof(struct SPDYF_Data_Frame); SPDYF_DATA_FRAME_NTOH(data_frame); session->status = SPDY_SESSION_STATUS_WAIT_FOR_BODY; session->frame_handler = &spdyf_handler_read_data; session->frame_handler_cls = data_frame; //DO NOT brake the outer case } else { SPDYF_DEBUG("another protocol or version received!"); /* According to the draft the lib should send here * RST_STREAM with status UNSUPPORTED_VERSION. I don't * see any sense of keeping the session open since * we don't know how many bytes is the bogus "frame". * And the latter normally will be HTTP request. * */ //shutdown(session->socket_fd, SHUT_RD); session->status = SPDY_SESSION_STATUS_FLUSHING; SPDYF_prepare_goaway(session, SPDY_GOAWAY_STATUS_PROTOCOL_ERROR,false); //SPDYF_session_write(session,false); /* close connection since the client expects another protocol from us */ //SPDYF_session_close(session); return SPDY_YES; } //expect specific header fields after the standard header case SPDY_SESSION_STATUS_WAIT_FOR_SUBHEADER: if(NULL!=session->frame_handler) { read_buffer_beginning = session->read_buffer_beginning; //if everything is ok, the "body" will also be processed //by the handler session->frame_handler(session); if(SPDY_SESSION_STATUS_IGNORE_BYTES == session->status) { //check for larger than max supported frame if(session->frame_handler != &spdyf_handler_read_data) { frame_length = ((struct SPDYF_Control_Frame *)session->frame_handler_cls)->length; } else { frame_length = ((struct SPDYF_Data_Frame *)session->frame_handler_cls)->length; } //if(SPDY_MAX_SUPPORTED_FRAME_SIZE < frame_length) { SPDYF_DEBUG("received frame with unsupported size: %zu", frame_length); //the data being received must be ignored and //RST_STREAM sent //ignore bytes that will arive later session->read_ignore_bytes = frame_length + read_buffer_beginning - session->read_buffer_offset; //ignore what is already in read buffer session->read_buffer_beginning = session->read_buffer_offset; SPDYF_prepare_rst_stream(session, session->current_stream_id > 0 ? session->streams_head : NULL, //may be 0 here which is not good SPDY_RST_STREAM_STATUS_FRAME_TOO_LARGE); //actually the read buffer can be bigger than the //max supported size session->status = session->read_ignore_bytes ? SPDY_SESSION_STATUS_IGNORE_BYTES : SPDY_SESSION_STATUS_WAIT_FOR_HEADER; free(session->frame_handler_cls); } } } if(SPDY_SESSION_STATUS_IGNORE_BYTES != session->status) { break; } //ignoring data in read buffer case SPDY_SESSION_STATUS_IGNORE_BYTES: SPDYF_ASSERT(session->read_ignore_bytes > 0, "Session is in wrong state"); if(session->read_ignore_bytes > session->read_buffer_offset - session->read_buffer_beginning) { session->read_ignore_bytes -= session->read_buffer_offset - session->read_buffer_beginning; session->read_buffer_beginning = session->read_buffer_offset; } else { session->read_buffer_beginning += session->read_ignore_bytes; session->read_ignore_bytes = 0; session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; } break; //expect frame body (name/value pairs) case SPDY_SESSION_STATUS_WAIT_FOR_BODY: if(NULL!=session->frame_handler) session->frame_handler(session); break; case SPDY_SESSION_STATUS_FLUSHING: return SPDY_NO; //because of error the session needs to be closed case SPDY_SESSION_STATUS_CLOSING: //error should be already sent to the client SPDYF_session_close(session); return SPDY_YES; } return SPDY_YES; } void SPDYF_session_close (struct SPDY_Session *session) { struct SPDY_Daemon *daemon = session->daemon; int by_client = session->read_closed ? SPDY_YES : SPDY_NO; //shutdown the tls and deinit the tls context session->fio_close_session(session); shutdown (session->socket_fd, session->read_closed ? SHUT_WR : SHUT_RDWR); session->read_closed = true; //remove session from the list DLL_remove (daemon->sessions_head, daemon->sessions_tail, session); //add the session for the list for cleaning up DLL_insert (daemon->cleanup_head, daemon->cleanup_tail, session); //call callback for closed session if(NULL != daemon->session_closed_cb) { daemon->session_closed_cb(daemon->cls, session, by_client); } } int SPDYF_session_accept(struct SPDY_Daemon *daemon) { int new_socket_fd; int ret; struct SPDY_Session *session = NULL; socklen_t addr_len; struct sockaddr *addr; #if HAVE_INET6 struct sockaddr_in6 addr6; addr = (struct sockaddr *)&addr6; addr_len = sizeof(addr6); #else struct sockaddr_in addr4; addr = (struct sockaddr *)&addr4; addr_len = sizeof(addr6); #endif new_socket_fd = accept (daemon->socket_fd, addr, &addr_len); if(new_socket_fd < 1) return SPDY_NO; if (NULL == (session = malloc (sizeof (struct SPDY_Session)))) { goto free_and_fail; } memset (session, 0, sizeof (struct SPDY_Session)); session->daemon = daemon; session->socket_fd = new_socket_fd; session->max_num_frames = daemon->max_num_frames; ret = SPDYF_io_set_session(session, daemon->io_subsystem); SPDYF_ASSERT(SPDY_YES == ret, "Somehow daemon->io_subsystem iswrong here"); //init TLS context, handshake will be done if(SPDY_YES != session->fio_new_session(session)) { goto free_and_fail; } //read buffer session->read_buffer_size = SPDYF_BUFFER_SIZE; if (NULL == (session->read_buffer = malloc (session->read_buffer_size))) { session->fio_close_session(session); goto free_and_fail; } //address of the client if (NULL == (session->addr = malloc (addr_len))) { session->fio_close_session(session); goto free_and_fail; } memcpy (session->addr, addr, addr_len); session->addr_len = addr_len; session->status = SPDY_SESSION_STATUS_WAIT_FOR_HEADER; //init zlib context for the whole session if(SPDY_YES != SPDYF_zlib_deflate_init(&session->zlib_send_stream)) { session->fio_close_session(session); goto free_and_fail; } if(SPDY_YES != SPDYF_zlib_inflate_init(&session->zlib_recv_stream)) { session->fio_close_session(session); SPDYF_zlib_deflate_end(&session->zlib_send_stream); goto free_and_fail; } //add it to daemon's list DLL_insert(daemon->sessions_head,daemon->sessions_tail,session); session->last_activity = SPDYF_monotonic_time(); if(NULL != daemon->new_session_cb) daemon->new_session_cb(daemon->cls, session); return SPDY_YES; //for GOTO free_and_fail: /* something failed, so shutdown, close and free memory */ shutdown (new_socket_fd, SHUT_RDWR); (void)close (new_socket_fd); if(NULL != session) { if(NULL != session->addr) free (session->addr); if(NULL != session->read_buffer) free (session->read_buffer); free (session); } return SPDY_NO; } void SPDYF_queue_response (struct SPDYF_Response_Queue *response_to_queue, struct SPDY_Session *session, int consider_priority) { struct SPDYF_Response_Queue *pos; struct SPDYF_Response_Queue *last; uint8_t priority; SPDYF_ASSERT(SPDY_YES != consider_priority || NULL != response_to_queue->stream, "called with consider_priority but no stream provided"); last = response_to_queue; while(NULL != last->next) { last = last->next; } if(SPDY_NO == consider_priority) { //put it at the end of the queue response_to_queue->prev = session->response_queue_tail; if (NULL == session->response_queue_head) session->response_queue_head = response_to_queue; else session->response_queue_tail->next = response_to_queue; session->response_queue_tail = last; return; } else if(-1 == consider_priority) { //put it at the head of the queue last->next = session->response_queue_head; if (NULL == session->response_queue_tail) session->response_queue_tail = last; else session->response_queue_head->prev = response_to_queue; session->response_queue_head = response_to_queue; return; } if(NULL == session->response_queue_tail) { session->response_queue_head = response_to_queue; session->response_queue_tail = last; return; } //search for the right position to put it pos = session->response_queue_tail; priority = response_to_queue->stream->priority; while(NULL != pos && pos->stream->priority > priority) { pos = pos->prev; } if(NULL == pos) { //put it on the head session->response_queue_head->prev = last; last->next = session->response_queue_head; session->response_queue_head = response_to_queue; } else if(NULL == pos->next) { //put it at the end response_to_queue->prev = pos; pos->next = response_to_queue; session->response_queue_tail = last; } else { response_to_queue->prev = pos; last->next = pos->next; pos->next = response_to_queue; last->next->prev = last; } } void SPDYF_session_destroy(struct SPDY_Session *session) { struct SPDYF_Stream *stream; struct SPDYF_Response_Queue *response_queue; (void)close (session->socket_fd); SPDYF_zlib_deflate_end(&session->zlib_send_stream); SPDYF_zlib_inflate_end(&session->zlib_recv_stream); //clean up unsent data in the output queue while (NULL != (response_queue = session->response_queue_head)) { DLL_remove (session->response_queue_head, session->response_queue_tail, response_queue); if(NULL != response_queue->frqcb) { response_queue->frqcb(response_queue->frqcb_cls, response_queue, SPDY_RESPONSE_RESULT_SESSION_CLOSED); } SPDYF_response_queue_destroy(response_queue); } //clean up the streams belonging to this session while (NULL != (stream = session->streams_head)) { DLL_remove (session->streams_head, session->streams_tail, stream); SPDYF_stream_destroy(stream); } free(session->addr); free(session->read_buffer); free(session->write_buffer); free(session); } int SPDYF_prepare_goaway (struct SPDY_Session *session, enum SPDY_GOAWAY_STATUS status, bool in_front) { struct SPDYF_Response_Queue *response_to_queue; struct SPDYF_Control_Frame *control_frame; uint32_t *data; if(NULL == (response_to_queue = malloc(sizeof(struct SPDYF_Response_Queue)))) { return SPDY_NO; } memset(response_to_queue, 0, sizeof(struct SPDYF_Response_Queue)); if(NULL == (control_frame = malloc(sizeof(struct SPDYF_Control_Frame)))) { free(response_to_queue); return SPDY_NO; } memset(control_frame, 0, sizeof(struct SPDYF_Control_Frame)); if(NULL == (data = malloc(4))) { free(control_frame); free(response_to_queue); return SPDY_NO; } *(data) = htonl(status); control_frame->control_bit = 1; control_frame->version = SPDY_VERSION; control_frame->type = SPDY_CONTROL_FRAME_TYPES_GOAWAY; control_frame->flags = 0; response_to_queue->control_frame = control_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_goaway; response_to_queue->data = data; response_to_queue->data_size = 4; SPDYF_queue_response (response_to_queue, session, in_front ? -1 : SPDY_NO); return SPDY_YES; } int SPDYF_prepare_rst_stream (struct SPDY_Session *session, struct SPDYF_Stream * stream, enum SPDY_RST_STREAM_STATUS status) { struct SPDYF_Response_Queue *response_to_queue; struct SPDYF_Control_Frame *control_frame; uint32_t *data; uint32_t stream_id; if(NULL == stream) stream_id = 0; else stream_id = stream->stream_id; if(NULL == (response_to_queue = malloc(sizeof(struct SPDYF_Response_Queue)))) { return SPDY_NO; } memset(response_to_queue, 0, sizeof(struct SPDYF_Response_Queue)); if(NULL == (control_frame = malloc(sizeof(struct SPDYF_Control_Frame)))) { free(response_to_queue); return SPDY_NO; } memset(control_frame, 0, sizeof(struct SPDYF_Control_Frame)); if(NULL == (data = malloc(8))) { free(control_frame); free(response_to_queue); return SPDY_NO; } *(data) = HTON31(stream_id); *(data + 1) = htonl(status); control_frame->control_bit = 1; control_frame->version = SPDY_VERSION; control_frame->type = SPDY_CONTROL_FRAME_TYPES_RST_STREAM; control_frame->flags = 0; response_to_queue->control_frame = control_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_rst_stream; response_to_queue->data = data; response_to_queue->data_size = 8; response_to_queue->stream = stream; SPDYF_queue_response (response_to_queue, session, -1); return SPDY_YES; } int SPDYF_prepare_window_update (struct SPDY_Session *session, struct SPDYF_Stream * stream, int32_t delta_window_size) { struct SPDYF_Response_Queue *response_to_queue; struct SPDYF_Control_Frame *control_frame; uint32_t *data; SPDYF_ASSERT(NULL != stream, "stream cannot be NULL"); if(NULL == (response_to_queue = malloc(sizeof(struct SPDYF_Response_Queue)))) { return SPDY_NO; } memset(response_to_queue, 0, sizeof(struct SPDYF_Response_Queue)); if(NULL == (control_frame = malloc(sizeof(struct SPDYF_Control_Frame)))) { free(response_to_queue); return SPDY_NO; } memset(control_frame, 0, sizeof(struct SPDYF_Control_Frame)); if(NULL == (data = malloc(8))) { free(control_frame); free(response_to_queue); return SPDY_NO; } *(data) = HTON31(stream->stream_id); *(data + 1) = HTON31(delta_window_size); control_frame->control_bit = 1; control_frame->version = SPDY_VERSION; control_frame->type = SPDY_CONTROL_FRAME_TYPES_WINDOW_UPDATE; control_frame->flags = 0; response_to_queue->control_frame = control_frame; response_to_queue->process_response_handler = &SPDYF_handler_write_window_update; response_to_queue->data = data; response_to_queue->data_size = 8; response_to_queue->stream = stream; SPDYF_queue_response (response_to_queue, session, -1); return SPDY_YES; } libmicrohttpd-0.9.33/src/examples/0000755000175000017500000000000012255341026014060 500000000000000libmicrohttpd-0.9.33/src/examples/refuse_post_example.c0000644000175000017500000000636511510611302020215 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file refuse_post_example.c * @brief example for how to refuse a POST request properly * @author Christian Grothoff and Sebastian Gerhardt */ #include "platform.h" #include const char *askpage = "\n\ Upload a file, please!
\n\
\n\ \n\
\n\ "; #define BUSYPAGE "Webserver busyWe are too busy to process POSTs right now." static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; int ret; if ((0 != strcmp (method, "GET")) && (0 != strcmp (method, "POST"))) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { *ptr = &aptr; /* always to busy for POST requests */ if (0 == strcmp (method, "POST")) { response = MHD_create_response_from_buffer (strlen (BUSYPAGE), (void *) BUSYPAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE, response); MHD_destroy_response (response); return ret; } } *ptr = NULL; /* reset when done */ response = MHD_create_response_from_buffer (strlen (me), (void *) me, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, (void *) askpage, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } /* end of refuse_post_example.c */ libmicrohttpd-0.9.33/src/examples/minimal_example.c0000644000175000017500000000510711727142352017314 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file minimal_example.c * @brief minimal example for how to use libmicrohttpd * @author Christian Grothoff */ #include "platform.h" #include #define PAGE "libmicrohttpd demolibmicrohttpd demo" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ response = MHD_create_response_from_buffer (strlen (me), (void *) me, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (// MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | MHD_USE_POLL, MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, // MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG | MHD_USE_POLL, // MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/fileserver_example.c0000644000175000017500000000641012101034726020022 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file fileserver_example.c * @brief minimal example for how to use libmicrohttpd to serve files * @author Christian Grothoff */ #include "platform.h" #include #include #define PAGE "File not foundFile not found" static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { FILE *file = cls; (void) fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static void free_callback (void *cls) { FILE *file = cls; fclose (file); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; FILE *file; struct stat buf; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ if (0 == stat (&url[1], &buf)) file = fopen (&url[1], "rb"); else file = NULL; if (file == NULL) { response = MHD_create_response_from_buffer (strlen (PAGE), (void *) PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_destroy_response (response); } else { response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k page size */ &file_reader, file, &free_callback); if (response == NULL) { fclose (file); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/https_fileserver_example.c0000644000175000017500000001643312141503350021250 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file https_fileserver_example.c * @brief a simple HTTPS file server using TLS. * * Usage : * * 'http_fileserver_example HTTP-PORT SECONDS-TO-RUN' * * The certificate & key are required by the server to operate, Omitting the * path arguments will cause the server to use the hard coded example certificate & key. * * 'certtool' may be used to generate these if required. * * @author Sagie Amir */ #include "platform.h" #include #include #include #include #define BUF_SIZE 1024 #define MAX_URL_LEN 255 // TODO remove if unused #define CAFILE "ca.pem" #define CRLFILE "crl.pem" #define EMPTY_PAGE "File not foundFile not found" /* Test Certificate */ const char cert_pem[] = "-----BEGIN CERTIFICATE-----\n" "MIICpjCCAZCgAwIBAgIESEPtjjALBgkqhkiG9w0BAQUwADAeFw0wODA2MDIxMjU0\n" "MzhaFw0wOTA2MDIxMjU0NDZaMAAwggEfMAsGCSqGSIb3DQEBAQOCAQ4AMIIBCQKC\n" "AQC03TyUvK5HmUAirRp067taIEO4bibh5nqolUoUdo/LeblMQV+qnrv/RNAMTx5X\n" "fNLZ45/kbM9geF8qY0vsPyQvP4jumzK0LOJYuIwmHaUm9vbXnYieILiwCuTgjaud\n" "3VkZDoQ9fteIo+6we9UTpVqZpxpbLulBMh/VsvX0cPJ1VFC7rT59o9hAUlFf9jX/\n" "GmKdYI79MtgVx0OPBjmmSD6kicBBfmfgkO7bIGwlRtsIyMznxbHu6VuoX/eVxrTv\n" "rmCwgEXLWRZ6ru8MQl5YfqeGXXRVwMeXU961KefbuvmEPccgCxm8FZ1C1cnDHFXh\n" "siSgAzMBjC/b6KVhNQ4KnUdZAgMBAAGjLzAtMAwGA1UdEwEB/wQCMAAwHQYDVR0O\n" "BBYEFJcUvpjvE5fF/yzUshkWDpdYiQh/MAsGCSqGSIb3DQEBBQOCAQEARP7eKSB2\n" "RNd6XjEjK0SrxtoTnxS3nw9sfcS7/qD1+XHdObtDFqGNSjGYFB3Gpx8fpQhCXdoN\n" "8QUs3/5ZVa5yjZMQewWBgz8kNbnbH40F2y81MHITxxCe1Y+qqHWwVaYLsiOTqj2/\n" "0S3QjEJ9tvklmg7JX09HC4m5QRYfWBeQLD1u8ZjA1Sf1xJriomFVyRLI2VPO2bNe\n" "JDMXWuP+8kMC7gEvUnJ7A92Y2yrhu3QI3bjPk8uSpHea19Q77tul1UVBJ5g+zpH3\n" "OsF5p0MyaVf09GTzcLds5nE/osTdXGUyHJapWReVmPm3Zn6gqYlnzD99z+DPIgIV\n" "RhZvQx74NQnS6g==\n" "-----END CERTIFICATE-----\n"; const char key_pem[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEowIBAAKCAQEAtN08lLyuR5lAIq0adOu7WiBDuG4m4eZ6qJVKFHaPy3m5TEFf\n" "qp67/0TQDE8eV3zS2eOf5GzPYHhfKmNL7D8kLz+I7psytCziWLiMJh2lJvb2152I\n" "niC4sArk4I2rnd1ZGQ6EPX7XiKPusHvVE6VamacaWy7pQTIf1bL19HDydVRQu60+\n" "faPYQFJRX/Y1/xpinWCO/TLYFcdDjwY5pkg+pInAQX5n4JDu2yBsJUbbCMjM58Wx\n" "7ulbqF/3lca0765gsIBFy1kWeq7vDEJeWH6nhl10VcDHl1PetSnn27r5hD3HIAsZ\n" "vBWdQtXJwxxV4bIkoAMzAYwv2+ilYTUOCp1HWQIDAQABAoIBAArOQv3R7gmqDspj\n" "lDaTFOz0C4e70QfjGMX0sWnakYnDGn6DU19iv3GnX1S072ejtgc9kcJ4e8VUO79R\n" "EmqpdRR7k8dJr3RTUCyjzf/C+qiCzcmhCFYGN3KRHA6MeEnkvRuBogX4i5EG1k5l\n" "/5t+YBTZBnqXKWlzQLKoUAiMLPg0eRWh+6q7H4N7kdWWBmTpako7TEqpIwuEnPGx\n" "u3EPuTR+LN6lF55WBePbCHccUHUQaXuav18NuDkcJmCiMArK9SKb+h0RqLD6oMI/\n" "dKD6n8cZXeMBkK+C8U/K0sN2hFHACsu30b9XfdnljgP9v+BP8GhnB0nCB6tNBCPo\n" "32srOwECgYEAxWh3iBT4lWqL6bZavVbnhmvtif4nHv2t2/hOs/CAq8iLAw0oWGZc\n" "+JEZTUDMvFRlulr0kcaWra+4fN3OmJnjeuFXZq52lfMgXBIKBmoSaZpIh2aDY1Rd\n" "RbEse7nQl9hTEPmYspiXLGtnAXW7HuWqVfFFP3ya8rUS3t4d07Hig8ECgYEA6ou6\n" "OHiBRTbtDqLIv8NghARc/AqwNWgEc9PelCPe5bdCOLBEyFjqKiT2MttnSSUc2Zob\n" "XhYkHC6zN1Mlq30N0e3Q61YK9LxMdU1vsluXxNq2rfK1Scb1oOlOOtlbV3zA3VRF\n" "hV3t1nOA9tFmUrwZi0CUMWJE/zbPAyhwWotKyZkCgYEAh0kFicPdbABdrCglXVae\n" "SnfSjVwYkVuGd5Ze0WADvjYsVkYBHTvhgRNnRJMg+/vWz3Sf4Ps4rgUbqK8Vc20b\n" "AU5G6H6tlCvPRGm0ZxrwTWDHTcuKRVs+pJE8C/qWoklE/AAhjluWVoGwUMbPGuiH\n" "6Gf1bgHF6oj/Sq7rv/VLZ8ECgYBeq7ml05YyLuJutuwa4yzQ/MXfghzv4aVyb0F3\n" "QCdXR6o2IYgR6jnSewrZKlA9aPqFJrwHNR6sNXlnSmt5Fcf/RWO/qgJQGLUv3+rG\n" "7kuLTNDR05azSdiZc7J89ID3Bkb+z2YkV+6JUiPq/Ei1+nDBEXb/m+/HqALU/nyj\n" "P3gXeQKBgBusb8Rbd+KgxSA0hwY6aoRTPRt8LNvXdsB9vRcKKHUFQvxUWiUSS+L9\n" "/Qu1sJbrUquKOHqksV5wCnWnAKyJNJlhHuBToqQTgKXjuNmVdYSe631saiI7PHyC\n" "eRJ6DxULPxABytJrYCRrNqmXi5TCiqR2mtfalEMOPxz8rUU8dYyx\n" "-----END RSA PRIVATE KEY-----\n"; static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { FILE *file = cls; (void) fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static void file_free_callback (void *cls) { FILE *file = cls; fclose (file); } /* HTTP access handler call back */ static int http_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; FILE *file; struct stat buf; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ if ( (0 == stat (&url[1], &buf)) && (S_ISREG (buf.st_mode)) ) file = fopen (&url[1], "rb"); else file = NULL; if (file == NULL) { response = MHD_create_response_from_buffer (strlen (EMPTY_PAGE), (void *) EMPTY_PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_destroy_response (response); } else { response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k PAGE_NOT_FOUND size */ &file_reader, file, &file_free_callback); if (response == NULL) { fclose (file); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *TLS_daemon; if (argc == 2) { /* TODO check if this is truly necessary - disallow usage of the blocking /dev/random */ /* gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM, 0); */ TLS_daemon = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG | MHD_USE_SSL, atoi (argv[1]), NULL, NULL, &http_ahc, NULL, MHD_OPTION_CONNECTION_TIMEOUT, 256, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); } else { printf ("Usage: %s HTTP-PORT\n", argv[0]); return 1; } if (TLS_daemon == NULL) { fprintf (stderr, "Error: failed to start TLS_daemon\n"); return 1; } else { printf ("MHD daemon listening on port %d\n", atoi (argv[1])); } (void) getc (stdin); MHD_stop_daemon (TLS_daemon); return 0; } libmicrohttpd-0.9.33/src/examples/benchmark_https.c0000644000175000017500000001644112172465436017340 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2013 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file benchmark_https.c * @brief minimal code to benchmark MHD GET performance with HTTPS * @author Christian Grothoff */ #include "platform.h" #include #define PAGE "libmicrohttpd demolibmicrohttpd demo" #define SMALL (1024 * 128) /** * Number of threads to run in the thread pool. Should (roughly) match * the number of cores on your system. */ #define NUMBER_OF_THREADS 4 static unsigned int small_deltas[SMALL]; static struct MHD_Response *response; /** * Signature of the callback used by MHD to notify the * application about completed requests. * * @param cls client-defined closure * @param connection connection handle * @param con_cls value as set by the last call to * the MHD_AccessHandlerCallback * @param toe reason for request termination * @see MHD_OPTION_NOTIFY_COMPLETED */ static void completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct timeval *tv = *con_cls; struct timeval tve; uint64_t delta; if (NULL == tv) return; gettimeofday (&tve, NULL); delta = 0; if (tve.tv_usec >= tv->tv_usec) delta += (tve.tv_sec - tv->tv_sec) * 1000000LL + (tve.tv_usec - tv->tv_usec); else delta += (tve.tv_sec - tv->tv_sec) * 1000000LL - tv->tv_usec + tve.tv_usec; if (delta < SMALL) small_deltas[delta]++; else fprintf (stdout, "D: %llu 1\n", (unsigned long long) delta); free (tv); } static void * uri_logger_cb (void *cls, const char *uri) { struct timeval *tv = malloc (sizeof (struct timeval)); if (NULL != tv) gettimeofday (tv, NULL); return tv; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ return MHD_queue_response (connection, MHD_HTTP_OK, response); } /* test server key */ const char srv_signed_key_pem[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEowIBAAKCAQEAvfTdv+3fgvVTKRnP/HVNG81cr8TrUP/iiyuve/THMzvFXhCW\n" "+K03KwEku55QvnUndwBfU/ROzLlv+5hotgiDRNFT3HxurmhouySBrJNJv7qWp8IL\n" "q4sw32vo0fbMu5BZF49bUXK9L3kW2PdhTtSQPWHEzNrCxO+YgCilKHkY3vQNfdJ0\n" "20Q5EAAEseD1YtWCIpRvJzYlZMpjYB1ubTl24kwrgOKUJYKqM4jmF4DVQp4oOK/6\n" "QYGGh1QmHRPAy3CBII6sbb+sZT9cAqU6GYQVB35lm4XAgibXV6KgmpVxVQQ69U6x\n" "yoOl204xuekZOaG9RUPId74Rtmwfi1TLbBzo2wIDAQABAoIBADu09WSICNq5cMe4\n" "+NKCLlgAT1NiQpLls1gKRbDhKiHU9j8QWNvWWkJWrCya4QdUfLCfeddCMeiQmv3K\n" "lJMvDs+5OjJSHFoOsGiuW2Ias7IjnIojaJalfBml6frhJ84G27IXmdz6gzOiTIer\n" "DjeAgcwBaKH5WwIay2TxIaScl7AwHBauQkrLcyb4hTmZuQh6ArVIN6+pzoVuORXM\n" "bpeNWl2l/HSN3VtUN6aCAKbN/X3o0GavCCMn5Fa85uJFsab4ss/uP+2PusU71+zP\n" "sBm6p/2IbGvF5k3VPDA7X5YX61sukRjRBihY8xSnNYx1UcoOsX6AiPnbhifD8+xQ\n" "Tlf8oJUCgYEA0BTfzqNpr9Wxw5/QXaSdw7S/0eP5a0C/nwURvmfSzuTD4equzbEN\n" "d+dI/s2JMxrdj/I4uoAfUXRGaabevQIjFzC9uyE3LaOyR2zhuvAzX+vVcs6bSXeU\n" "pKpCAcN+3Z3evMaX2f+z/nfSUAl2i4J2R+/LQAWJW4KwRky/m+cxpfUCgYEA6bN1\n" "b73bMgM8wpNt6+fcmS+5n0iZihygQ2U2DEud8nZJL4Nrm1dwTnfZfJBnkGj6+0Q0\n" "cOwj2KS0/wcEdJBP0jucU4v60VMhp75AQeHqidIde0bTViSRo3HWKXHBIFGYoU3T\n" "LyPyKndbqsOObnsFXHn56Nwhr2HLf6nw4taGQY8CgYBoSW36FLCNbd6QGvLFXBGt\n" "2lMhEM8az/K58kJ4WXSwOLtr6MD/WjNT2tkcy0puEJLm6BFCd6A6pLn9jaKou/92\n" "SfltZjJPb3GUlp9zn5tAAeSSi7YMViBrfuFiHObij5LorefBXISLjuYbMwL03MgH\n" "Ocl2JtA2ywMp2KFXs8GQWQKBgFyIVv5ogQrbZ0pvj31xr9HjqK6d01VxIi+tOmpB\n" "4ocnOLEcaxX12BzprW55ytfOCVpF1jHD/imAhb3YrHXu0fwe6DXYXfZV4SSG2vB7\n" "IB9z14KBN5qLHjNGFpMQXHSMek+b/ftTU0ZnPh9uEM5D3YqRLVd7GcdUhHvG8P8Q\n" "C9aXAoGBAJtID6h8wOGMP0XYX5YYnhlC7dOLfk8UYrzlp3xhqVkzKthTQTj6wx9R\n" "GtC4k7U1ki8oJsfcIlBNXd768fqDVWjYju5rzShMpo8OCTS6ipAblKjCxPPVhIpv\n" "tWPlbSn1qj6wylstJ5/3Z+ZW5H4wIKp5jmLiioDhcP0L/Ex3Zx8O\n" "-----END RSA PRIVATE KEY-----\n"; /* test server CA signed certificates */ const char srv_signed_cert_pem[] = "-----BEGIN CERTIFICATE-----\n" "MIIDGzCCAgWgAwIBAgIES0KCvTALBgkqhkiG9w0BAQUwFzEVMBMGA1UEAxMMdGVz\n" "dF9jYV9jZXJ0MB4XDTEwMDEwNTAwMDcyNVoXDTQ1MDMxMjAwMDcyNVowFzEVMBMG\n" "A1UEAxMMdGVzdF9jYV9jZXJ0MIIBHzALBgkqhkiG9w0BAQEDggEOADCCAQkCggEA\n" "vfTdv+3fgvVTKRnP/HVNG81cr8TrUP/iiyuve/THMzvFXhCW+K03KwEku55QvnUn\n" "dwBfU/ROzLlv+5hotgiDRNFT3HxurmhouySBrJNJv7qWp8ILq4sw32vo0fbMu5BZ\n" "F49bUXK9L3kW2PdhTtSQPWHEzNrCxO+YgCilKHkY3vQNfdJ020Q5EAAEseD1YtWC\n" "IpRvJzYlZMpjYB1ubTl24kwrgOKUJYKqM4jmF4DVQp4oOK/6QYGGh1QmHRPAy3CB\n" "II6sbb+sZT9cAqU6GYQVB35lm4XAgibXV6KgmpVxVQQ69U6xyoOl204xuekZOaG9\n" "RUPId74Rtmwfi1TLbBzo2wIDAQABo3YwdDAMBgNVHRMBAf8EAjAAMBMGA1UdJQQM\n" "MAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMHIAAwHQYDVR0OBBYEFOFi4ilKOP1d\n" "XHlWCMwmVKr7mgy8MB8GA1UdIwQYMBaAFP2olB4s2T/xuoQ5pT2RKojFwZo2MAsG\n" "CSqGSIb3DQEBBQOCAQEAHVWPxazupbOkG7Did+dY9z2z6RjTzYvurTtEKQgzM2Vz\n" "GQBA+3pZ3c5mS97fPIs9hZXfnQeelMeZ2XP1a+9vp35bJjZBBhVH+pqxjCgiUflg\n" "A3Zqy0XwwVCgQLE2HyaU3DLUD/aeIFK5gJaOSdNTXZLv43K8kl4cqDbMeRpVTbkt\n" "YmG4AyEOYRNKGTqMEJXJoxD5E3rBUNrVI/XyTjYrulxbNPcMWEHKNeeqWpKDYTFo\n" "Bb01PCthGXiq/4A2RLAFosadzRa8SBpoSjPPfZ0b2w4MJpReHqKbR5+T2t6hzml6\n" "4ToyOKPDmamiTuN5KzLN3cw7DQlvWMvqSOChPLnA3Q==\n" "-----END CERTIFICATE-----\n"; int main (int argc, char *const *argv) { struct MHD_Daemon *d; unsigned int i; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } response = MHD_create_response_from_buffer (strlen (PAGE), (void *) PAGE, MHD_RESPMEM_PERSISTENT); d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL #if EPOLL_SUPPORT | MHD_USE_EPOLL_LINUX_ONLY | MHD_USE_EPOLL_TURBO #endif , atoi (argv[1]), NULL, NULL, &ahc_echo, NULL, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, MHD_OPTION_THREAD_POOL_SIZE, (unsigned int) NUMBER_OF_THREADS, MHD_OPTION_URI_LOG_CALLBACK, &uri_logger_cb, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_callback, NULL, MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 1000, MHD_OPTION_HTTPS_MEM_KEY, srv_signed_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_signed_cert_pem, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); MHD_destroy_response (response); for (i=0;i #define PAGE "libmicrohttpd demolibmicrohttpd demo" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ response = MHD_create_response_from_buffer (strlen (me), (void *) me, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | MHD_USE_DUAL_STACK, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, MHD_OPTION_END); (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/spdy_fileserver.c0000644000175000017500000001746412202003706017355 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file fileserver.c * @brief Simple example how the lib can be used for serving * files directly read from the system * @author Andrey Uzunov */ //for asprintf #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include "microspdy.h" #include "time.h" int run = 1; char* basedir; #define GET_MIME_TYPE(fname, mime) do {\ unsigned int __len = strlen(fname);\ if (__len < 4 || '.' != (fname)[__len - 4]) break;\ const char * __ext = &(fname)[__len - 3];\ if(0 == strcmp(__ext, "jpg")) (mime) = strdup("image/jpeg");\ else if(0 == strcmp(__ext, "png")) (mime) = strdup("image/png");\ else if(0 == strcmp(__ext, "css")) (mime) = strdup("text/css");\ else if(0 == strcmp(__ext, "gif")) (mime) = strdup("image/gif");\ else if(0 == strcmp(__ext, "htm")) (mime) = strdup("text/html");\ else \ { \ (mime) = strdup("application/octet-stream");\ printf("MIME for %s is applic...\n", (fname));\ }\ if(NULL == (mime))\ {\ printf("no memory\n");\ abort();\ }\ } while (0) static const char *DAY_NAMES[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; static const char *MONTH_NAMES[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; //taken from http://stackoverflow.com/questions/2726975/how-can-i-generate-an-rfc1123-date-string-from-c-code-win32 //and modified for linux char *Rfc1123_DateTimeNow() { const int RFC1123_TIME_LEN = 29; time_t t; struct tm tm; char * buf = malloc(RFC1123_TIME_LEN+1); time(&t); gmtime_r( &t, &tm); strftime(buf, RFC1123_TIME_LEN+1, "---, %d --- %Y %H:%M:%S GMT", &tm); memcpy(buf, DAY_NAMES[tm.tm_wday], 3); memcpy(buf+8, MONTH_NAMES[tm.tm_mon], 3); return buf; } ssize_t response_callback (void *cls, void *buffer, size_t max, bool *more) { FILE *fd =(FILE*)cls; int ret = fread(buffer,1,max,fd); *more = feof(fd) == 0; //if(!(*more)) // fclose(fd); return ret; } void response_done_callback(void *cls, struct SPDY_Response *response, struct SPDY_Request *request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)streamopened; (void)status; //printf("answer for %s was sent\n", (char *)cls); /*if(SPDY_RESPONSE_RESULT_SUCCESS != status) { printf("answer for %s was NOT sent, %i\n", (char *)cls,status); }*/ SPDY_destroy_request(request); SPDY_destroy_response(response); if(NULL!=cls)fclose(cls); } void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)method; (void)version; (void)more; struct SPDY_Response *response=NULL; struct SPDY_NameValue *resp_headers; char *fname; char *fsize; char *mime=NULL; char *date=NULL; ssize_t filesize = -666; FILE *fd = NULL; int ret = -666; //printf("received request for '%s %s %s'\n", method, path, version); if(strlen(path) > 1 && NULL == strstr(path, "..") && '/' == path[0]) { asprintf(&fname,"%s%s",basedir,path); if(0 == access(fname, R_OK)) { if(NULL == (fd = fopen(fname,"r")) || 0 != (ret = fseek(fd, 0L, SEEK_END)) || -1 == (filesize = ftell(fd)) || 0 != (ret = fseek(fd, 0L, SEEK_SET))) { printf("Error on opening %s\n%p %i %zd\n",fname, fd, ret, filesize); response = SPDY_build_response(SPDY_HTTP_INTERNAL_SERVER_ERROR,NULL,SPDY_HTTP_VERSION_1_1,NULL,NULL,0); } else { if(NULL == (resp_headers = SPDY_name_value_create())) { printf("SPDY_name_value_create failed\n"); abort(); } date = Rfc1123_DateTimeNow(); if(NULL == date || SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_DATE,date)) { printf("SPDY_name_value_add or Rfc1123_DateTimeNow failed\n"); abort(); } free(date); if(-1 == asprintf(&fsize, "%zd", filesize) || SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_CONTENT_LENGTH,fsize)) { printf("SPDY_name_value_add or asprintf failed\n"); abort(); } free(fsize); GET_MIME_TYPE(path,mime); if(SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_CONTENT_TYPE,mime)) { printf("SPDY_name_value_add failed\n"); abort(); } free(mime); if(SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_SERVER,"libmicrospdy/fileserver")) { printf("SPDY_name_value_add failed\n"); abort(); } response = SPDY_build_response_with_callback(200,NULL, SPDY_HTTP_VERSION_1_1,resp_headers,&response_callback,fd,SPDY_MAX_SUPPORTED_FRAME_SIZE); SPDY_name_value_destroy(resp_headers); } if(NULL==response){ printf("no response obj\n"); abort(); } if(SPDY_queue_response(request,response,true,false,&response_done_callback,fd)!=SPDY_YES) { printf("queue\n"); abort(); } free(fname); return; } free(fname); } if(strcmp(path,"/close")==0) { run = 0; } response = SPDY_build_response(SPDY_HTTP_NOT_FOUND,NULL,SPDY_HTTP_VERSION_1_1,NULL,NULL,0); printf("Not found %s\n",path); if(NULL==response){ printf("no response obj\n"); abort(); } if(SPDY_queue_response(request,response,true,false,&response_done_callback,NULL)!=SPDY_YES) { printf("queue\n"); abort(); } } int main (int argc, char *const *argv) { unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; if(argc != 5) { printf("Usage: %s cert-file key-file base-dir port\n", argv[0]); return 1; } SPDY_init(); daemon = SPDY_start_daemon(atoi(argv[4]), argv[1], argv[2], NULL, NULL, &standard_request_handler, NULL, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } basedir = argv[3]; do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); break; case 0: break; default: SPDY_run(daemon); break; } } while(run); SPDY_stop_daemon(daemon); SPDY_deinit(); return 0; } libmicrohttpd-0.9.33/src/examples/Makefile.in0000644000175000017500000011676012255340774016071 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent 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authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file benchmark.c * @brief minimal code to benchmark MHD GET performance * @author Christian Grothoff */ #include "platform.h" #include #define PAGE "libmicrohttpd demolibmicrohttpd demo" #define SMALL (1024 * 128) /** * Number of threads to run in the thread pool. Should (roughly) match * the number of cores on your system. */ #define NUMBER_OF_THREADS 4 static unsigned int small_deltas[SMALL]; static struct MHD_Response *response; /** * Signature of the callback used by MHD to notify the * application about completed requests. * * @param cls client-defined closure * @param connection connection handle * @param con_cls value as set by the last call to * the MHD_AccessHandlerCallback * @param toe reason for request termination * @see MHD_OPTION_NOTIFY_COMPLETED */ static void completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct timeval *tv = *con_cls; struct timeval tve; uint64_t delta; if (NULL == tv) return; gettimeofday (&tve, NULL); delta = 0; if (tve.tv_usec >= tv->tv_usec) delta += (tve.tv_sec - tv->tv_sec) * 1000000LL + (tve.tv_usec - tv->tv_usec); else delta += (tve.tv_sec - tv->tv_sec) * 1000000LL - tv->tv_usec + tve.tv_usec; if (delta < SMALL) small_deltas[delta]++; else fprintf (stdout, "D: %llu 1\n", (unsigned long long) delta); free (tv); } static void * uri_logger_cb (void *cls, const char *uri) { struct timeval *tv = malloc (sizeof (struct timeval)); if (NULL != tv) gettimeofday (tv, NULL); return tv; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ return MHD_queue_response (connection, MHD_HTTP_OK, response); } int main (int argc, char *const *argv) { struct MHD_Daemon *d; unsigned int i; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } response = MHD_create_response_from_buffer (strlen (PAGE), (void *) PAGE, MHD_RESPMEM_PERSISTENT); #if 0 (void) MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION, "close"); #endif d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_SUPPRESS_DATE_NO_CLOCK #if EPOLL_SUPPORT | MHD_USE_EPOLL_LINUX_ONLY | MHD_USE_EPOLL_TURBO #endif , atoi (argv[1]), NULL, NULL, &ahc_echo, NULL, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, MHD_OPTION_THREAD_POOL_SIZE, (unsigned int) NUMBER_OF_THREADS, MHD_OPTION_URI_LOG_CALLBACK, &uri_logger_cb, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_callback, NULL, MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 1000, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); MHD_destroy_response (response); for (i=0;i. */ /** * @file mhd2spdy_http.h * @brief HTTP part of the proxy. libmicrohttpd is used for the server side. * @author Andrey Uzunov */ #ifndef HTTP_H #define HTTP_H #include "mhd2spdy_structures.h" int http_cb_request (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr); void * http_cb_log(void * cls, const char * uri); void http_create_response(struct Proxy* proxy, char **nv); void http_cb_request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe); #endif libmicrohttpd-0.9.33/src/examples/mhd2spdy_structures.h0000644000175000017500000001371212225051032020202 00000000000000/* Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file mhd2spdy_structures.h * @brief Common structures, functions, macros and global variables. * @author Andrey Uzunov */ #ifndef STRUCTURES_H #define STRUCTURES_H #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* WANT_READ if SSL connection needs more input; or WANT_WRITE if it needs more output; or IO_NONE. This is necessary because SSL/TLS re-negotiation is possible at any time. Spdylay API offers similar functions like spdylay_session_want_read() and spdylay_session_want_write() but they do not take into account SSL connection. */ enum { IO_NONE, WANT_READ, WANT_WRITE }; struct Proxy; struct SPDY_Connection { SSL *ssl; spdylay_session *session; struct SPDY_Connection *prev; struct SPDY_Connection *next; struct Proxy *proxies_head; struct Proxy *proxies_tail; char *host; int fd; int want_io; uint counter; uint streams_opened; bool is_tls; }; struct URI { char * full_uri; char * scheme; char * host_and_port; char * host; char * path; char * path_and_more; char * query; char * fragment; uint16_t port; }; struct HTTP_URI; struct Proxy { struct MHD_Connection *http_connection; struct MHD_Response *http_response; struct URI *uri; struct HTTP_URI *http_uri; struct SPDY_Connection *spdy_connection; struct Proxy *next; struct Proxy *prev; char *url; char *version; void *http_body; void *received_body; size_t http_body_size; size_t received_body_size; ssize_t length; int status; int id; int32_t stream_id; bool done; bool http_error; bool spdy_error; bool http_active; bool spdy_active; bool receiving_done; }; struct HTTP_URI { char * uri; struct Proxy * proxy; }; struct SPDY_Headers { const char **nv; int num; int cnt; }; struct global_options { char *spdy2http_str; struct SPDY_Connection *spdy_connection; struct SPDY_Connection *spdy_connections_head; struct SPDY_Connection *spdy_connections_tail; int streams_opened; int responses_pending; regex_t uri_preg; size_t global_memory; SSL_CTX *ssl_ctx; uint32_t total_spdy_connections; uint16_t spdy_proto_version; uint16_t listen_port; bool verbose; bool only_proxy; bool spdy_data_received; bool statistics; bool ignore_rst_stream; } glob_opt; struct global_statistics { //unsigned long long http_bytes_sent; //unsigned long long http_bytes_received; unsigned long long spdy_bytes_sent; unsigned long long spdy_bytes_received; unsigned long long spdy_bytes_received_and_dropped; } glob_stat; //forbidden headers #define SPDY_HTTP_HEADER_TRANSFER_ENCODING "transfer-encoding" #define SPDY_HTTP_HEADER_PROXY_CONNECTION "proxy-connection" #define SPDY_HTTP_HEADER_KEEP_ALIVE "keep-alive" #define SPDY_HTTP_HEADER_CONNECTION "connection" #define MAX_SPDY_CONNECTIONS 100 #define SPDY_MAX_OUTLEN 4096 /** * Insert an element at the head of a DLL. Assumes that head, tail and * element are structs with prev and next fields. * * @param head pointer to the head of the DLL (struct ? *) * @param tail pointer to the tail of the DLL (struct ? *) * @param element element to insert (struct ? *) */ #define DLL_insert(head,tail,element) do { \ (element)->next = (head); \ (element)->prev = NULL; \ if ((tail) == NULL) \ (tail) = element; \ else \ (head)->prev = element; \ (head) = (element); } while (0) /** * Remove an element from a DLL. Assumes * that head, tail and element are structs * with prev and next fields. * * @param head pointer to the head of the DLL (struct ? *) * @param tail pointer to the tail of the DLL (struct ? *) * @param element element to remove (struct ? *) */ #define DLL_remove(head,tail,element) do { \ if ((element)->prev == NULL) \ (head) = (element)->next; \ else \ (element)->prev->next = (element)->next; \ if ((element)->next == NULL) \ (tail) = (element)->prev; \ else \ (element)->next->prev = (element)->prev; \ (element)->next = NULL; \ (element)->prev = NULL; } while (0) #define PRINT_INFO(msg) do{\ if(glob_opt.verbose){\ printf("%i:%s\n", __LINE__, msg);\ fflush(stdout);\ }\ }\ while(0) #define PRINT_INFO2(fmt, ...) do{\ if(glob_opt.verbose){\ printf("%i\n", __LINE__);\ printf(fmt,##__VA_ARGS__);\ printf("\n");\ fflush(stdout);\ }\ }\ while(0) #define DIE(msg) do{\ printf("FATAL ERROR (line %i): %s\n", __LINE__, msg);\ fflush(stdout);\ exit(EXIT_FAILURE);\ }\ while(0) #define UPDATE_STAT(stat, value) do{\ if(glob_opt.statistics)\ {\ stat += value;\ }\ }\ while(0) void free_uri(struct URI * uri); int init_parse_uri(regex_t * preg); void deinit_parse_uri(regex_t * preg); int parse_uri(regex_t * preg, char * full_uri, struct URI ** uri); void free_proxy(struct Proxy *proxy); void * au_malloc(size_t size); bool copy_buffer(const void *src, size_t src_size, void **dst, size_t *dst_size); #endif libmicrohttpd-0.9.33/src/examples/Makefile.am0000644000175000017500000000742112202531033016027 00000000000000SUBDIRS = . if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir)/src/include \ @LIBGCRYPT_CFLAGS@ AM_CFLAGS = -DDATA_DIR=\"$(top_srcdir)/src/datadir/\" if USE_COVERAGE AM_CFLAGS += --coverage endif if ENABLE_SPDY spdyex = \ spdy_event_loop \ spdy_fileserver \ spdy_response_with_callback if HAVE_SPDYLAY spdyex += mhd2spdy endif endif # example programs noinst_PROGRAMS = \ benchmark \ benchmark_https \ minimal_example \ dual_stack_example \ minimal_example_comet \ querystring_example \ fileserver_example \ fileserver_example_dirs \ fileserver_example_external_select \ refuse_post_example \ $(spdyex) if ENABLE_HTTPS noinst_PROGRAMS += https_fileserver_example endif if HAVE_POSTPROCESSOR noinst_PROGRAMS += \ post_example if HAVE_MAGIC bin_PROGRAMS = \ demo endif endif if ENABLE_DAUTH noinst_PROGRAMS += \ digest_auth_example endif if ENABLE_BAUTH noinst_PROGRAMS += \ authorization_example endif if HAVE_W32 AM_CFLAGS += -DWINDOWS endif minimal_example_SOURCES = \ minimal_example.c minimal_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la demo_SOURCES = \ demo.c demo_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ -lmagic mhd2spdy_SOURCES = \ mhd2spdy.c \ mhd2spdy_spdy.c mhd2spdy_spdy.h \ mhd2spdy_http.c mhd2spdy_http.h \ mhd2spdy_structures.c mhd2spdy_structures.h mhd2spdy_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ -lssl -lcrypto -lspdylay benchmark_SOURCES = \ benchmark.c benchmark_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la benchmark_https_SOURCES = \ benchmark_https.c benchmark_https_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la dual_stack_example_SOURCES = \ dual_stack_example.c dual_stack_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la post_example_SOURCES = \ post_example.c post_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la minimal_example_comet_SOURCES = \ minimal_example_comet.c minimal_example_comet_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la authorization_example_SOURCES = \ authorization_example.c authorization_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la digest_auth_example_SOURCES = \ digest_auth_example.c digest_auth_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la refuse_post_example_SOURCES = \ refuse_post_example.c refuse_post_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la querystring_example_SOURCES = \ querystring_example.c querystring_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la fileserver_example_SOURCES = \ fileserver_example.c fileserver_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la fileserver_example_dirs_SOURCES = \ fileserver_example_dirs.c fileserver_example_dirs_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la fileserver_example_external_select_SOURCES = \ fileserver_example_external_select.c fileserver_example_external_select_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la https_fileserver_example_SOURCES = \ https_fileserver_example.c https_fileserver_example_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la spdy_event_loop_SOURCES = \ spdy_event_loop.c spdy_event_loop_LDADD = \ $(top_builddir)/src/microspdy/libmicrospdy.la \ -lssl \ -lcrypto \ -lz \ -ldl spdy_fileserver_SOURCES = \ spdy_fileserver.c spdy_fileserver_LDADD = \ $(top_builddir)/src/microspdy/libmicrospdy.la \ -lssl \ -lcrypto \ -lz \ -ldl spdy_response_with_callback_SOURCES = \ spdy_response_with_callback.c spdy_response_with_callback_LDADD = \ $(top_builddir)/src/microspdy/libmicrospdy.la \ -lssl \ -lcrypto \ -lz \ -ldl libmicrohttpd-0.9.33/src/examples/demo.c0000644000175000017500000005557312255340712015110 00000000000000/* This file is part of libmicrohttpd (C) 2013 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file demo.c * @brief complex demonstration site: create directory index, offer * upload via form and HTTP POST, download with mime type detection * and error reporting (403, etc.) --- and all of this with * high-performance settings (large buffers, thread pool). * If you want to benchmark MHD, this code should be used to * run tests against. Note that the number of threads may need * to be adjusted depending on the number of available cores. * @author Christian Grothoff */ #include "platform.h" #include #include #include #include #include #include #include #include #include /** * Number of threads to run in the thread pool. Should (roughly) match * the number of cores on your system. */ #define NUMBER_OF_THREADS 4 /** * How many bytes of a file do we give to libmagic to determine the mime type? * 16k might be a bit excessive, but ought not hurt performance much anyway, * and should definitively be on the safe side. */ #define MAGIC_HEADER_SIZE (16 * 1024) /** * Page returned for file-not-found. */ #define FILE_NOT_FOUND_PAGE "File not foundFile not found" /** * Page returned for internal errors. */ #define INTERNAL_ERROR_PAGE "Internal errorInternal error" /** * Page returned for refused requests. */ #define REQUEST_REFUSED_PAGE "Request refusedRequest refused (file exists?)" /** * Head of index page. */ #define INDEX_PAGE_HEADER "\nWelcome\n\n"\ "

Upload

\n"\ "
\n"\ "
Content type:
"\ "Book"\ "Image"\ "Music"\ "Software"\ "Videos\n"\ "Other
"\ "
Language:
"\ "none"\ "English"\ "German"\ "French"\ "Spanish
\n"\ "
File:
"\ "
"\ "\n"\ "
\n"\ "

Download

\n"\ "
    \n" /** * Footer of index page. */ #define INDEX_PAGE_FOOTER "
\n\n" /** * NULL-terminated array of supported upload categories. Should match HTML * in the form. */ static const char * const categories[] = { "books", "images", "music", "software", "videos", "other", NULL, }; /** * Specification of a supported language. */ struct Language { /** * Directory name for the language. */ const char *dirname; /** * Long name for humans. */ const char *longname; }; /** * NULL-terminated array of supported upload categories. Should match HTML * in the form. */ static const struct Language languages[] = { { "no-lang", "No language specified" }, { "en", "English" }, { "de", "German" }, { "fr", "French" }, { "es", "Spanish" }, { NULL, NULL }, }; /** * Response returned if the requested file does not exist (or is not accessible). */ static struct MHD_Response *file_not_found_response; /** * Response returned for internal errors. */ static struct MHD_Response *internal_error_response; /** * Response returned for '/' (GET) to list the contents of the directory and allow upload. */ static struct MHD_Response *cached_directory_response; /** * Response returned for refused uploads. */ static struct MHD_Response *request_refused_response; /** * Mutex used when we update the cached directory response object. */ static pthread_mutex_t mutex; /** * Global handle to MAGIC data. */ static magic_t magic; /** * Mark the given response as HTML for the brower. * * @param response response to mark */ static void mark_as_html (struct MHD_Response *response) { (void) MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_TYPE, "text/html"); } /** * Replace the existing 'cached_directory_response' with the * given response. * * @param response new directory response */ static void update_cached_response (struct MHD_Response *response) { (void) pthread_mutex_lock (&mutex); if (NULL != cached_directory_response) MHD_destroy_response (cached_directory_response); cached_directory_response = response; (void) pthread_mutex_unlock (&mutex); } /** * Context keeping the data for the response we're building. */ struct ResponseDataContext { /** * Response data string. */ char *buf; /** * Number of bytes allocated for 'buf'. */ size_t buf_len; /** * Current position where we append to 'buf'. Must be smaller or equal to 'buf_len'. */ size_t off; }; /** * Create a listing of the files in 'dirname' in HTML. * * @param rdc where to store the list of files * @param dirname name of the directory to list * @return MHD_YES on success, MHD_NO on error */ static int list_directory (struct ResponseDataContext *rdc, const char *dirname) { char fullname[PATH_MAX]; struct stat sbuf; DIR *dir; struct dirent *de; if (NULL == (dir = opendir (dirname))) return MHD_NO; while (NULL != (de = readdir (dir))) { if ('.' == de->d_name[0]) continue; if (sizeof (fullname) <= snprintf (fullname, sizeof (fullname), "%s/%s", dirname, de->d_name)) continue; /* ugh, file too long? how can this be!? */ if (0 != stat (fullname, &sbuf)) continue; /* ugh, failed to 'stat' */ if (! S_ISREG (sbuf.st_mode)) continue; /* not a regular file, skip */ if (rdc->off + 1024 > rdc->buf_len) { void *r; if ( (2 * rdc->buf_len + 1024) < rdc->buf_len) break; /* more than SIZE_T _index_ size? Too big for us */ rdc->buf_len = 2 * rdc->buf_len + 1024; if (NULL == (r = realloc (rdc->buf, rdc->buf_len))) break; /* out of memory */ rdc->buf = r; } rdc->off += snprintf (&rdc->buf[rdc->off], rdc->buf_len - rdc->off, "
  • %s
    • \n", fullname, de->d_name); } (void) closedir (dir); return MHD_YES; } /** * Re-scan our local directory and re-build the index. */ static void update_directory () { static size_t initial_allocation = 32 * 1024; /* initial size for response buffer */ struct MHD_Response *response; struct ResponseDataContext rdc; unsigned int language_idx; unsigned int category_idx; const struct Language *language; const char *category; char dir_name[128]; struct stat sbuf; rdc.buf_len = initial_allocation; if (NULL == (rdc.buf = malloc (rdc.buf_len))) { update_cached_response (NULL); return; } rdc.off = snprintf (rdc.buf, rdc.buf_len, "%s", INDEX_PAGE_HEADER); for (language_idx = 0; NULL != languages[language_idx].dirname; language_idx++) { language = &languages[language_idx]; if (0 != stat (language->dirname, &sbuf)) continue; /* empty */ /* we ensured always +1k room, filenames are ~256 bytes, so there is always still enough space for the header without need for an additional reallocation check. */ rdc.off += snprintf (&rdc.buf[rdc.off], rdc.buf_len - rdc.off, "

    %s

    \n", language->longname); for (category_idx = 0; NULL != categories[category_idx]; category_idx++) { category = categories[category_idx]; snprintf (dir_name, sizeof (dir_name), "%s/%s", language->dirname, category); if (0 != stat (dir_name, &sbuf)) continue; /* empty */ /* we ensured always +1k room, filenames are ~256 bytes, so there is always still enough space for the header without need for an additional reallocation check. */ rdc.off += snprintf (&rdc.buf[rdc.off], rdc.buf_len - rdc.off, "

    %s

    \n", category); if (MHD_NO == list_directory (&rdc, dir_name)) { free (rdc.buf); update_cached_response (NULL); return; } } } /* we ensured always +1k room, filenames are ~256 bytes, so there is always still enough space for the footer without need for a final reallocation check. */ rdc.off += snprintf (&rdc.buf[rdc.off], rdc.buf_len - rdc.off, "%s", INDEX_PAGE_FOOTER); initial_allocation = rdc.buf_len; /* remember for next time */ response = MHD_create_response_from_buffer (rdc.off, rdc.buf, MHD_RESPMEM_MUST_FREE); mark_as_html (response); (void) MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION, "close"); update_cached_response (response); } /** * Context we keep for an upload. */ struct UploadContext { /** * Handle where we write the uploaded file to. */ int fd; /** * Name of the file on disk (used to remove on errors). */ char *filename; /** * Language for the upload. */ char *language; /** * Category for the upload. */ char *category; /** * Post processor we're using to process the upload. */ struct MHD_PostProcessor *pp; /** * Handle to connection that we're processing the upload for. */ struct MHD_Connection *connection; /** * Response to generate, NULL to use directory. */ struct MHD_Response *response; }; /** * Append the 'size' bytes from 'data' to '*ret', adding * 0-termination. If '*ret' is NULL, allocate an empty string first. * * @param ret string to update, NULL or 0-terminated * @param data data to append * @param size number of bytes in 'data' * @return MHD_NO on allocation failure, MHD_YES on success */ static int do_append (char **ret, const char *data, size_t size) { char *buf; size_t old_len; if (NULL == *ret) old_len = 0; else old_len = strlen (*ret); buf = malloc (old_len + size + 1); if (NULL == buf) return MHD_NO; memcpy (buf, *ret, old_len); if (NULL != *ret) free (*ret); memcpy (&buf[old_len], data, size); buf[old_len + size] = '\0'; *ret = buf; return MHD_YES; } /** * Iterator over key-value pairs where the value * maybe made available in increments and/or may * not be zero-terminated. Used for processing * POST data. * * @param cls user-specified closure * @param kind type of the value, always MHD_POSTDATA_KIND when called from MHD * @param key 0-terminated key for the value * @param filename name of the uploaded file, NULL if not known * @param content_type mime-type of the data, NULL if not known * @param transfer_encoding encoding of the data, NULL if not known * @param data pointer to size bytes of data at the * specified offset * @param off offset of data in the overall value * @param size number of bytes in data available * @return MHD_YES to continue iterating, * MHD_NO to abort the iteration */ static int process_upload_data (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct UploadContext *uc = cls; int i; if (0 == strcmp (key, "category")) return do_append (&uc->category, data, size); if (0 == strcmp (key, "language")) return do_append (&uc->language, data, size); if (0 != strcmp (key, "upload")) { fprintf (stderr, "Ignoring unexpected form value `%s'\n", key); return MHD_YES; /* ignore */ } if (NULL == filename) { fprintf (stderr, "No filename, aborting upload\n"); return MHD_NO; /* no filename, error */ } if ( (NULL == uc->category) || (NULL == uc->language) ) { fprintf (stderr, "Missing form data for upload `%s'\n", filename); uc->response = request_refused_response; return MHD_NO; } if (-1 == uc->fd) { char fn[PATH_MAX]; if ( (NULL != strstr (filename, "..")) || (NULL != strchr (filename, '/')) || (NULL != strchr (filename, '\\')) ) { uc->response = request_refused_response; return MHD_NO; } /* create directories -- if they don't exist already */ #ifdef WINDOWS (void) mkdir (uc->language); #else (void) mkdir (uc->language, S_IRWXU); #endif snprintf (fn, sizeof (fn), "%s/%s", uc->language, uc->category); #ifdef WINDOWS (void) mkdir (fn); #else (void) mkdir (fn, S_IRWXU); #endif /* open file */ snprintf (fn, sizeof (fn), "%s/%s/%s", uc->language, uc->category, filename); for (i=strlen (fn)-1;i>=0;i--) if (! isprint ((int) fn[i])) fn[i] = '_'; uc->fd = open (fn, O_CREAT | O_EXCL #if O_LARGEFILE | O_LARGEFILE #endif | O_WRONLY, S_IRUSR | S_IWUSR); if (-1 == uc->fd) { fprintf (stderr, "Error opening file `%s' for upload: %s\n", fn, strerror (errno)); uc->response = request_refused_response; return MHD_NO; } uc->filename = strdup (fn); } if ( (0 != size) && (size != write (uc->fd, data, size)) ) { /* write failed; likely: disk full */ fprintf (stderr, "Error writing to file `%s': %s\n", uc->filename, strerror (errno)); uc->response = internal_error_response; close (uc->fd); uc->fd = -1; if (NULL != uc->filename) { unlink (uc->filename); free (uc->filename); uc->filename = NULL; } return MHD_NO; } return MHD_YES; } /** * Function called whenever a request was completed. * Used to clean up 'struct UploadContext' objects. * * @param cls client-defined closure, NULL * @param connection connection handle * @param con_cls value as set by the last call to * the MHD_AccessHandlerCallback, points to NULL if this was * not an upload * @param toe reason for request termination */ static void response_completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct UploadContext *uc = *con_cls; if (NULL == uc) return; /* this request wasn't an upload request */ if (NULL != uc->pp) { MHD_destroy_post_processor (uc->pp); uc->pp = NULL; } if (-1 != uc->fd) { (void) close (uc->fd); if (NULL != uc->filename) { fprintf (stderr, "Upload of file `%s' failed (incomplete or aborted), removing file.\n", uc->filename); (void) unlink (uc->filename); } } if (NULL != uc->filename) free (uc->filename); free (uc); } /** * Return the current directory listing. * * @param connection connection to return the directory for * @return MHD_YES on success, MHD_NO on error */ static int return_directory_response (struct MHD_Connection *connection) { int ret; (void) pthread_mutex_lock (&mutex); if (NULL == cached_directory_response) ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, internal_error_response); else ret = MHD_queue_response (connection, MHD_HTTP_OK, cached_directory_response); (void) pthread_mutex_unlock (&mutex); return ret; } /** * Main callback from MHD, used to generate the page. * * @param cls NULL * @param connection connection handle * @param url requested URL * @param method GET, PUT, POST, etc. * @param version HTTP version * @param upload_data data from upload (PUT/POST) * @param upload_data_size number of bytes in "upload_data" * @param ptr our context * @return MHD_YES on success, MHD_NO to drop connection */ static int generate_page (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; int ret; int fd; struct stat buf; if (0 != strcmp (url, "/")) { /* should be file download */ char file_data[MAGIC_HEADER_SIZE]; ssize_t got; const char *mime; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method (we're not polite...) */ if ( (0 == stat (&url[1], &buf)) && (NULL == strstr (&url[1], "..")) && ('/' != url[1])) fd = open (&url[1], O_RDONLY); else fd = -1; if (-1 == fd) return MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, file_not_found_response); /* read beginning of the file to determine mime type */ got = read (fd, file_data, sizeof (file_data)); if (-1 != got) mime = magic_buffer (magic, file_data, got); else mime = NULL; (void) lseek (fd, 0, SEEK_SET); if (NULL == (response = MHD_create_response_from_fd (buf.st_size, fd))) { /* internal error (i.e. out of memory) */ (void) close (fd); return MHD_NO; } /* add mime type if we had one */ if (NULL != mime) (void) MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_TYPE, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { /* upload! */ struct UploadContext *uc = *ptr; if (NULL == uc) { if (NULL == (uc = malloc (sizeof (struct UploadContext)))) return MHD_NO; /* out of memory, close connection */ memset (uc, 0, sizeof (struct UploadContext)); uc->fd = -1; uc->connection = connection; uc->pp = MHD_create_post_processor (connection, 64 * 1024 /* buffer size */, &process_upload_data, uc); if (NULL == uc->pp) { /* out of memory, close connection */ free (uc); return MHD_NO; } *ptr = uc; return MHD_YES; } if (0 != *upload_data_size) { if (NULL == uc->response) (void) MHD_post_process (uc->pp, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } /* end of upload, finish it! */ MHD_destroy_post_processor (uc->pp); uc->pp = NULL; if (-1 != uc->fd) { close (uc->fd); uc->fd = -1; } if (NULL != uc->response) { return MHD_queue_response (connection, MHD_HTTP_FORBIDDEN, uc->response); } else { update_directory (); return return_directory_response (connection); } } if (0 == strcmp (method, MHD_HTTP_METHOD_GET)) return return_directory_response (connection); /* unexpected request, refuse */ return MHD_queue_response (connection, MHD_HTTP_FORBIDDEN, request_refused_response); } /** * Function called if we get a SIGPIPE. Does nothing. * * @param sig will be SIGPIPE (ignored) */ static void catcher (int sig) { /* do nothing */ } /** * setup handlers to ignore SIGPIPE. */ #ifndef MINGW static void ignore_sigpipe () { struct sigaction oldsig; struct sigaction sig; sig.sa_handler = &catcher; sigemptyset (&sig.sa_mask); #ifdef SA_INTERRUPT sig.sa_flags = SA_INTERRUPT; /* SunOS */ #else sig.sa_flags = SA_RESTART; #endif if (0 != sigaction (SIGPIPE, &sig, &oldsig)) fprintf (stderr, "Failed to install SIGPIPE handler: %s\n", strerror (errno)); } #endif /** * Entry point to demo. Note: this HTTP server will make all * files in the current directory and its subdirectories available * to anyone. Press ENTER to stop the server once it has started. * * @param argc number of arguments in argv * @param argv first and only argument should be the port number * @return 0 on success */ int main (int argc, char *const *argv) { struct MHD_Daemon *d; unsigned int port; if ( (argc != 2) || (1 != sscanf (argv[1], "%u", &port)) || (UINT16_MAX < port) ) { fprintf (stderr, "%s PORT\n", argv[0]); return 1; } #ifndef MINGW ignore_sigpipe (); #endif magic = magic_open (MAGIC_MIME_TYPE); (void) magic_load (magic, NULL); (void) pthread_mutex_init (&mutex, NULL); file_not_found_response = MHD_create_response_from_buffer (strlen (FILE_NOT_FOUND_PAGE), (void *) FILE_NOT_FOUND_PAGE, MHD_RESPMEM_PERSISTENT); mark_as_html (file_not_found_response); request_refused_response = MHD_create_response_from_buffer (strlen (REQUEST_REFUSED_PAGE), (void *) REQUEST_REFUSED_PAGE, MHD_RESPMEM_PERSISTENT); mark_as_html (request_refused_response); internal_error_response = MHD_create_response_from_buffer (strlen (INTERNAL_ERROR_PAGE), (void *) INTERNAL_ERROR_PAGE, MHD_RESPMEM_PERSISTENT); mark_as_html (internal_error_response); update_directory (); d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG #if EPOLL_SUPPORT | MHD_USE_EPOLL_LINUX_ONLY #endif , port, NULL, NULL, &generate_page, NULL, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (256 * 1024), #if PRODUCTION MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) (64), #endif MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) (120 /* seconds */), MHD_OPTION_THREAD_POOL_SIZE, (unsigned int) NUMBER_OF_THREADS, MHD_OPTION_NOTIFY_COMPLETED, &response_completed_callback, NULL, MHD_OPTION_END); if (NULL == d) return 1; fprintf (stderr, "HTTP server running. Press ENTER to stop the server\n"); (void) getc (stdin); MHD_stop_daemon (d); MHD_destroy_response (file_not_found_response); MHD_destroy_response (request_refused_response); MHD_destroy_response (internal_error_response); update_cached_response (NULL); (void) pthread_mutex_destroy (&mutex); magic_close (magic); return 0; } /* end of demo.c */ libmicrohttpd-0.9.33/src/examples/fileserver_example_dirs.c0000644000175000017500000001077011510611112021040 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file fileserver_example.c * @brief example for how to use libmicrohttpd to serve files (with directory support) * @author Christian Grothoff */ #include "platform.h" #include #include #include #define PAGE "File not foundFile not found" static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { FILE *file = cls; (void) fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static void file_free_callback (void *cls) { FILE *file = cls; fclose (file); } static void dir_free_callback (void *cls) { DIR *dir = cls; if (dir != NULL) closedir (dir); } static ssize_t dir_reader (void *cls, uint64_t pos, char *buf, size_t max) { DIR *dir = cls; struct dirent *e; if (max < 512) return 0; do { e = readdir (dir); if (e == NULL) return MHD_CONTENT_READER_END_OF_STREAM; } while (e->d_name[0] == '.'); return snprintf (buf, max, "%s
    ", e->d_name, e->d_name); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; FILE *file; DIR *dir; struct stat buf; char emsg[1024]; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ if ( (0 == stat (&url[1], &buf)) && (S_ISREG (buf.st_mode)) ) file = fopen (&url[1], "rb"); else file = NULL; if (file == NULL) { dir = opendir ("."); if (dir == NULL) { /* most likely cause: more concurrent requests than available file descriptors / 2 */ snprintf (emsg, sizeof (emsg), "Failed to open directory `.': %s\n", strerror (errno)); response = MHD_create_response_from_buffer (strlen (emsg), emsg, MHD_RESPMEM_MUST_COPY); if (response == NULL) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE, response); MHD_destroy_response (response); } else { response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 32 * 1024, &dir_reader, dir, &dir_free_callback); if (response == NULL) { closedir (dir); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } } else { response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k page size */ &file_reader, file, &file_free_callback); if (response == NULL) { fclose (file); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/post_example.c0000644000175000017500000004474612255340421016661 00000000000000/* This file is part of libmicrohttpd (C) 2011 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file post_example.c * @brief example for processing POST requests using libmicrohttpd * @author Christian Grothoff */ #include #include #include #include #include #include /** * Invalid method page. */ #define METHOD_ERROR "Illegal requestGo away." /** * Invalid URL page. */ #define NOT_FOUND_ERROR "Not foundGo away." /** * Front page. (/) */ #define MAIN_PAGE "Welcome
    What is your name? " /** * Second page. (/2) */ #define SECOND_PAGE "Tell me moreprevious %s, what is your job? " /** * Second page (/S) */ #define SUBMIT_PAGE "Ready to submit?previous " /** * Last page. */ #define LAST_PAGE "Thank youThank you." /** * Name of our cookie. */ #define COOKIE_NAME "session" /** * State we keep for each user/session/browser. */ struct Session { /** * We keep all sessions in a linked list. */ struct Session *next; /** * Unique ID for this session. */ char sid[33]; /** * Reference counter giving the number of connections * currently using this session. */ unsigned int rc; /** * Time when this session was last active. */ time_t start; /** * String submitted via form. */ char value_1[64]; /** * Another value submitted via form. */ char value_2[64]; }; /** * Data kept per request. */ struct Request { /** * Associated session. */ struct Session *session; /** * Post processor handling form data (IF this is * a POST request). */ struct MHD_PostProcessor *pp; /** * URL to serve in response to this POST (if this request * was a 'POST') */ const char *post_url; }; /** * Linked list of all active sessions. Yes, O(n) but a * hash table would be overkill for a simple example... */ static struct Session *sessions; /** * Return the session handle for this connection, or * create one if this is a new user. */ static struct Session * get_session (struct MHD_Connection *connection) { struct Session *ret; const char *cookie; cookie = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, COOKIE_NAME); if (cookie != NULL) { /* find existing session */ ret = sessions; while (NULL != ret) { if (0 == strcmp (cookie, ret->sid)) break; ret = ret->next; } if (NULL != ret) { ret->rc++; return ret; } } /* create fresh session */ ret = calloc (1, sizeof (struct Session)); if (NULL == ret) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return NULL; } /* not a super-secure way to generate a random session ID, but should do for a simple example... */ snprintf (ret->sid, sizeof (ret->sid), "%X%X%X%X", (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand ()); ret->rc++; ret->start = time (NULL); ret->next = sessions; sessions = ret; return ret; } /** * Type of handler that generates a reply. * * @param cls content for the page (handler-specific) * @param mime mime type to use * @param session session information * @param connection connection to process * @param MHD_YES on success, MHD_NO on failure */ typedef int (*PageHandler)(const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection); /** * Entry we generate for each page served. */ struct Page { /** * Acceptable URL for this page. */ const char *url; /** * Mime type to set for the page. */ const char *mime; /** * Handler to call to generate response. */ PageHandler handler; /** * Extra argument to handler. */ const void *handler_cls; }; /** * Add header to response to set a session cookie. * * @param session session to use * @param response response to modify */ static void add_session_cookie (struct Session *session, struct MHD_Response *response) { char cstr[256]; snprintf (cstr, sizeof (cstr), "%s=%s", COOKIE_NAME, session->sid); if (MHD_NO == MHD_add_response_header (response, MHD_HTTP_HEADER_SET_COOKIE, cstr)) { fprintf (stderr, "Failed to set session cookie header!\n"); } } /** * Handler that returns a simple static HTTP page that * is passed in via 'cls'. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int serve_simple_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; struct MHD_Response *response; /* return static form */ response = MHD_create_response_from_buffer (strlen (form), (void *) form, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' value to the given HTML code. * * @param cls unused * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; char *reply; struct MHD_Response *response; reply = malloc (strlen (MAIN_PAGE) + strlen (session->value_1) + 1); if (NULL == reply) return MHD_NO; snprintf (reply, strlen (MAIN_PAGE) + strlen (session->value_1) + 1, MAIN_PAGE, session->value_1); /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); if (NULL == response) return MHD_NO; add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' and 'v2' values to the given HTML code. * * @param cls unused * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_v2_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; char *reply; struct MHD_Response *response; reply = malloc (strlen (SECOND_PAGE) + strlen (session->value_1) + strlen (session->value_2) + 1); if (NULL == reply) return MHD_NO; snprintf (reply, strlen (SECOND_PAGE) + strlen (session->value_1) + strlen (session->value_2) + 1, SECOND_PAGE, session->value_1, session->value_2); /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); if (NULL == response) return MHD_NO; add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler used to generate a 404 reply. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int not_found_page (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; struct MHD_Response *response; /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (NOT_FOUND_ERROR), (void *) NOT_FOUND_ERROR, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); MHD_destroy_response (response); return ret; } /** * List of all pages served by this HTTP server. */ static struct Page pages[] = { { "/", "text/html", &fill_v1_form, NULL }, { "/2", "text/html", &fill_v1_v2_form, NULL }, { "/S", "text/html", &serve_simple_form, SUBMIT_PAGE }, { "/F", "text/html", &serve_simple_form, LAST_PAGE }, { NULL, NULL, ¬_found_page, NULL } /* 404 */ }; /** * Iterator over key-value pairs where the value * maybe made available in increments and/or may * not be zero-terminated. Used for processing * POST data. * * @param cls user-specified closure * @param kind type of the value * @param key 0-terminated key for the value * @param filename name of the uploaded file, NULL if not known * @param content_type mime-type of the data, NULL if not known * @param transfer_encoding encoding of the data, NULL if not known * @param data pointer to size bytes of data at the * specified offset * @param off offset of data in the overall value * @param size number of bytes in data available * @return MHD_YES to continue iterating, * MHD_NO to abort the iteration */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct Request *request = cls; struct Session *session = request->session; if (0 == strcmp ("DONE", key)) { fprintf (stdout, "Session `%s' submitted `%s', `%s'\n", session->sid, session->value_1, session->value_2); return MHD_YES; } if (0 == strcmp ("v1", key)) { if (size + off >= sizeof(session->value_1)) size = sizeof (session->value_1) - off - 1; memcpy (&session->value_1[off], data, size); session->value_1[size+off] = '\0'; return MHD_YES; } if (0 == strcmp ("v2", key)) { if (size + off >= sizeof(session->value_2)) size = sizeof (session->value_2) - off - 1; memcpy (&session->value_2[off], data, size); session->value_2[size+off] = '\0'; return MHD_YES; } fprintf (stderr, "Unsupported form value `%s'\n", key); return MHD_YES; } /** * Main MHD callback for handling requests. * * @param cls argument given together with the function * pointer when the handler was registered with MHD * @param connection handle identifying the incoming connection * @param url the requested url * @param method the HTTP method used ("GET", "PUT", etc.) * @param version the HTTP version string (i.e. "HTTP/1.1") * @param upload_data the data being uploaded (excluding HEADERS, * for a POST that fits into memory and that is encoded * with a supported encoding, the POST data will NOT be * given in upload_data and is instead available as * part of MHD_get_connection_values; very large POST * data *will* be made available incrementally in * upload_data) * @param upload_data_size set initially to the size of the * upload_data provided; the method must update this * value to the number of bytes NOT processed; * @param ptr pointer that the callback can set to some * address and that will be preserved by MHD for future * calls for this request; since the access handler may * be called many times (i.e., for a PUT/POST operation * with plenty of upload data) this allows the application * to easily associate some request-specific state. * If necessary, this state can be cleaned up in the * global "MHD_RequestCompleted" callback (which * can be set with the MHD_OPTION_NOTIFY_COMPLETED). * Initially, *con_cls will be NULL. * @return MHS_YES if the connection was handled successfully, * MHS_NO if the socket must be closed due to a serios * error while handling the request */ static int create_response (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; struct Request *request; struct Session *session; int ret; unsigned int i; request = *ptr; if (NULL == request) { request = calloc (1, sizeof (struct Request)); if (NULL == request) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return MHD_NO; } *ptr = request; if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { request->pp = MHD_create_post_processor (connection, 1024, &post_iterator, request); if (NULL == request->pp) { fprintf (stderr, "Failed to setup post processor for `%s'\n", url); return MHD_NO; /* internal error */ } } return MHD_YES; } if (NULL == request->session) { request->session = get_session (connection); if (NULL == request->session) { fprintf (stderr, "Failed to setup session for `%s'\n", url); return MHD_NO; /* internal error */ } } session = request->session; session->start = time (NULL); if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { /* evaluate POST data */ MHD_post_process (request->pp, upload_data, *upload_data_size); if (0 != *upload_data_size) { *upload_data_size = 0; return MHD_YES; } /* done with POST data, serve response */ MHD_destroy_post_processor (request->pp); request->pp = NULL; method = MHD_HTTP_METHOD_GET; /* fake 'GET' */ if (NULL != request->post_url) url = request->post_url; } if ( (0 == strcmp (method, MHD_HTTP_METHOD_GET)) || (0 == strcmp (method, MHD_HTTP_METHOD_HEAD)) ) { /* find out which page to serve */ i=0; while ( (pages[i].url != NULL) && (0 != strcmp (pages[i].url, url)) ) i++; ret = pages[i].handler (pages[i].handler_cls, pages[i].mime, session, connection); if (ret != MHD_YES) fprintf (stderr, "Failed to create page for `%s'\n", url); return ret; } /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (METHOD_ERROR), (void *) METHOD_ERROR, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE, response); MHD_destroy_response (response); return ret; } /** * Callback called upon completion of a request. * Decrements session reference counter. * * @param cls not used * @param connection connection that completed * @param con_cls session handle * @param toe status code */ static void request_completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct Request *request = *con_cls; if (NULL == request) return; if (NULL != request->session) request->session->rc--; if (NULL != request->pp) MHD_destroy_post_processor (request->pp); free (request); } /** * Clean up handles of sessions that have been idle for * too long. */ static void expire_sessions () { struct Session *pos; struct Session *prev; struct Session *next; time_t now; now = time (NULL); prev = NULL; pos = sessions; while (NULL != pos) { next = pos->next; if (now - pos->start > 60 * 60) { /* expire sessions after 1h */ if (NULL == prev) sessions = pos->next; else prev->next = next; free (pos); } else prev = pos; pos = next; } } /** * Call with the port number as the only argument. * Never terminates (other than by signals, such as CTRL-C). */ int main (int argc, char *const *argv) { struct MHD_Daemon *d; struct timeval tv; struct timeval *tvp; fd_set rs; fd_set ws; fd_set es; int max; MHD_UNSIGNED_LONG_LONG mhd_timeout; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } /* initialize PRNG */ srand ((unsigned int) time (NULL)); d = MHD_start_daemon (MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &create_response, NULL, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 15, MHD_OPTION_NOTIFY_COMPLETED, &request_completed_callback, NULL, MHD_OPTION_END); if (NULL == d) return 1; while (1) { expire_sessions (); max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) break; /* fatal internal error */ if (MHD_get_timeout (d, &mhd_timeout) == MHD_YES) { tv.tv_sec = mhd_timeout / 1000; tv.tv_usec = (mhd_timeout - (tv.tv_sec * 1000)) * 1000; tvp = &tv; } else tvp = NULL; select (max + 1, &rs, &ws, &es, tvp); MHD_run (d); } MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/mhd2spdy.c0000644000175000017500000001762612211403777015716 00000000000000/* Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file mhd2spdy.c * @brief The main file of the HTTP-to-SPDY proxy with the 'main' function * and event loop. No threads are used. * Currently only GET is supported. * TODOs: * - non blocking SSL connect * - check certificate * - on closing spdy session, close sockets for all requests * @author Andrey Uzunov */ #include "mhd2spdy_structures.h" #include "mhd2spdy_spdy.h" #include "mhd2spdy_http.h" static int run = 1; //static int spdy_close = 0; static void catch_signal(int signal) { (void)signal; //spdy_close = 1; run = 0; } void print_stat() { if(!glob_opt.statistics) return; printf("--------------------------\n"); printf("Statistics (TLS overhead is ignored when used):\n"); //printf("HTTP bytes received: %lld\n", glob_stat.http_bytes_received); //printf("HTTP bytes sent: %lld\n", glob_stat.http_bytes_sent); printf("SPDY bytes sent: %lld\n", glob_stat.spdy_bytes_sent); printf("SPDY bytes received: %lld\n", glob_stat.spdy_bytes_received); printf("SPDY bytes received and dropped: %lld\n", glob_stat.spdy_bytes_received_and_dropped); } int run_everything () { unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set rs; fd_set ws; fd_set es; int maxfd = -1; int maxfd_s = -1; struct MHD_Daemon *daemon; nfds_t spdy_npollfds = 1; struct URI * spdy2http_uri = NULL; struct SPDY_Connection *connection; struct SPDY_Connection *connections[MAX_SPDY_CONNECTIONS]; struct SPDY_Connection *connection_for_delete; if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) PRINT_INFO("signal failed"); if (signal(SIGINT, catch_signal) == SIG_ERR) PRINT_INFO("signal failed"); glob_opt.streams_opened = 0; glob_opt.responses_pending = 0; //glob_opt.global_memory = 0; srand(time(NULL)); if(init_parse_uri(&glob_opt.uri_preg)) DIE("Regexp compilation failed"); if(NULL != glob_opt.spdy2http_str) { ret = parse_uri(&glob_opt.uri_preg, glob_opt.spdy2http_str, &spdy2http_uri); if(ret != 0) DIE("spdy_parse_uri failed"); } SSL_load_error_strings(); SSL_library_init(); glob_opt.ssl_ctx = SSL_CTX_new(SSLv23_client_method()); if(glob_opt.ssl_ctx == NULL) { PRINT_INFO2("SSL_CTX_new %s", ERR_error_string(ERR_get_error(), NULL)); abort(); } spdy_ssl_init_ssl_ctx(glob_opt.ssl_ctx, &glob_opt.spdy_proto_version); daemon = MHD_start_daemon ( MHD_SUPPRESS_DATE_NO_CLOCK, glob_opt.listen_port, NULL, NULL, &http_cb_request, NULL, MHD_OPTION_URI_LOG_CALLBACK, &http_cb_log, NULL, MHD_OPTION_NOTIFY_COMPLETED, &http_cb_request_completed, NULL, MHD_OPTION_END); if(NULL==daemon) DIE("MHD_start_daemon failed"); do { timeout.tv_sec = 0; timeout.tv_usec = 0; if(NULL == glob_opt.spdy_connection && NULL != glob_opt.spdy2http_str) { glob_opt.spdy_connection = spdy_connect(spdy2http_uri, spdy2http_uri->port, strcmp("https", spdy2http_uri->scheme)==0); if(NULL == glob_opt.spdy_connection && glob_opt.only_proxy) PRINT_INFO("cannot connect to the proxy"); } FD_ZERO(&rs); FD_ZERO(&ws); FD_ZERO(&es); ret = MHD_get_timeout(daemon, &timeoutlong); if(MHD_NO == ret || timeoutlong > 5000) timeout.tv_sec = 5; else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } if(MHD_NO == MHD_get_fdset (daemon, &rs, &ws, &es, &maxfd)) { PRINT_INFO("MHD_get_fdset error"); } assert(-1 != maxfd); maxfd_s = spdy_get_selectfdset( &rs, &ws, &es, connections, MAX_SPDY_CONNECTIONS, &spdy_npollfds); if(maxfd_s > maxfd) maxfd = maxfd_s; PRINT_INFO2("MHD timeout %lld %lld", (unsigned long long)timeout.tv_sec, (unsigned long long)timeout.tv_usec); glob_opt.spdy_data_received = false; ret = select(maxfd+1, &rs, &ws, &es, &timeout); PRINT_INFO2("timeout now %lld %lld ret is %i", (unsigned long long)timeout.tv_sec, (unsigned long long)timeout.tv_usec, ret); switch(ret) { case -1: PRINT_INFO2("select error: %i", errno); break; case 0: //break; default: PRINT_INFO("run"); //MHD_run_from_select(daemon,&rs, &ws, &es); //not closing FDs at some time in past MHD_run(daemon); spdy_run_select(&rs, &ws, &es, connections, spdy_npollfds); if(glob_opt.spdy_data_received) { PRINT_INFO("MHD run again"); //MHD_run_from_select(daemon,&rs, &ws, &es); //not closing FDs at some time in past MHD_run(daemon); } break; } } while(run); MHD_stop_daemon (daemon); //TODO SSL_free brakes spdy_free_connection(glob_opt.spdy_connection); connection = glob_opt.spdy_connections_head; while(NULL != connection) { connection_for_delete = connection; connection = connection_for_delete->next; glob_opt.streams_opened -= connection_for_delete->streams_opened; DLL_remove(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connection_for_delete); spdy_free_connection(connection_for_delete); } free_uri(spdy2http_uri); deinit_parse_uri(&glob_opt.uri_preg); SSL_CTX_free(glob_opt.ssl_ctx); ERR_free_strings(); EVP_cleanup(); PRINT_INFO2("spdy streams: %i; http requests: %i", glob_opt.streams_opened, glob_opt.responses_pending); //PRINT_INFO2("memory allocated %zu bytes", glob_opt.global_memory); print_stat(); return 0; } void display_usage() { printf( "Usage: mhd2spdy [-vos] [-b ] -p \n" "TODO\n" ); } int main (int argc, char *const *argv) { int getopt_ret; int option_index; struct option long_options[] = { {"port", required_argument, 0, 'p'}, {"backend-proxy", required_argument, 0, 'b'}, {"verbose", no_argument, 0, 'v'}, {"only-proxy", no_argument, 0, 'o'}, {"statistics", no_argument, 0, 's'}, {0, 0, 0, 0} }; while (1) { getopt_ret = getopt_long( argc, argv, "p:b:vos", long_options, &option_index); if (getopt_ret == -1) break; switch(getopt_ret) { case 'p': glob_opt.listen_port = atoi(optarg); break; case 'b': glob_opt.spdy2http_str = strdup(optarg); if(NULL == glob_opt.spdy2http_str) return 1; break; case 'v': glob_opt.verbose = true; break; case 'o': glob_opt.only_proxy = true; break; case 's': glob_opt.statistics = true; break; case 0: PRINT_INFO("0 from getopt"); break; case '?': display_usage(); return 1; default: DIE("default from getopt"); } } if( 0 == glob_opt.listen_port || (glob_opt.only_proxy && NULL == glob_opt.spdy2http_str) ) { display_usage(); return 1; } return run_everything(); } libmicrohttpd-0.9.33/src/examples/spdy_event_loop.c0000644000175000017500000002520412203132600017345 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file event_loop.c * @brief shows how to use the daemon. THIS IS MAINLY A TEST AND DEBUG * PROGRAM * @author Andrey Uzunov */ #include "platform.h" #include #include #include #include #include #include #include #include #include "microspdy.h" #include #include #ifndef MINGW #include #endif //#include "../framinglayer/structures.h" //#include "../applicationlayer/alstructures.h" static int run = 1; static int run2 = 1; static uint64_t loops; static time_t start; static void new_session_callback (void *cls, struct SPDY_Session * session) { (void)cls; char ipstr[1024]; struct sockaddr *addr; socklen_t addr_len = SPDY_get_remote_addr(session, &addr); if(!addr_len) { printf("SPDY_get_remote_addr"); abort(); } if(AF_INET == addr->sa_family) { struct sockaddr_in * addr4 = (struct sockaddr_in *) addr; if(NULL == inet_ntop(AF_INET, &(addr4->sin_addr), ipstr, sizeof(ipstr))) { printf("inet_ntop"); abort(); } printf("New connection from: %s:%i\n", ipstr, ntohs(addr4->sin_port)); } else if(AF_INET6 == addr->sa_family) { struct sockaddr_in6 * addr6 = (struct sockaddr_in6 *) addr; if(NULL == inet_ntop(AF_INET6, &(addr6->sin6_addr), ipstr, sizeof(ipstr))) { printf("inet_ntop"); abort(); } printf("New connection from: %s:%i\n", ipstr, ntohs(addr6->sin6_port)); } } static void session_closed_handler (void *cls, struct SPDY_Session * session, int by_client) { (void)cls; (void)session; //printf("session_closed_handler called\n"); if(SPDY_YES != by_client) { //killchild(child,"wrong by_client"); printf("session closed by server\n"); } else { printf("session closed by client\n"); } //session_closed_called = 1; } static void response_done_callback(void *cls, struct SPDY_Response *response, struct SPDY_Request *request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)streamopened; if(strcmp(cls, "/close (daemon1)") == 0) run = 0; else { if(strcmp(cls, "/close (daemon2)") == 0) run2 = 0; loops = 0; start = time(NULL); } if(SPDY_RESPONSE_RESULT_SUCCESS != status) { printf("not sent frame cause %i", status); } printf("answer for %s was sent\n", (char*)cls); //printf("raw sent headers %s\n", (char *)(response->headers)+8); SPDY_destroy_request(request); SPDY_destroy_response(response); free(cls); } /* static int print_headers (void *cls, const char *name, const char *value) { (void)cls; printf("%s: %s\n",name,value); return SPDY_YES; } */ /* void new_request_cb (void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers) { (void)cls; (void)request; printf("Priority: %i\nHTTP headers, scheme: %s\n\n%s %s %s\nHost: %s\n", priority,scheme,method,path,version,host); SPDY_name_value_iterate(headers, &print_headers, NULL); } */ static int append_headers_to_data (void *cls, const char *name, const char * const *value, int num_values) { char **data = cls; void *tofree = *data; int i; if(num_values) for(i=0;i" "Closing now!
    This is an answer to the following " "request:

    %s
    ",data); } else { asprintf(&html,"" "This is an answer to the following " "request:

    %s
    ",data); } free(data); response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,html,strlen(html)); free(html); } if(NULL==response){ fprintf(stdout,"no response obj\n"); abort(); } char *pathcls; asprintf(&pathcls, "%s (daemon%i)",path,NULL==cls ? 1 : 2); if(SPDY_queue_response(request,response,true,false,&response_done_callback,pathcls)!=SPDY_YES) { fprintf(stdout,"queue\n"); abort(); } } static int new_post_data_cb (void * cls, struct SPDY_Request *request, const void * buf, size_t size, bool more) { (void)cls; (void)request; (void)more; printf("DATA:\n===============================\n"); write(0, buf, size); printf("\n===============================\n"); return SPDY_YES; } static void sig_handler(int signo) { (void)signo; printf("received signal\n"); } int main (int argc, char *const *argv) { if(argc != 2) return 1; #ifndef MINGW if (signal(SIGPIPE, sig_handler) == SIG_ERR) printf("\ncan't catch SIGPIPE\n"); #endif SPDY_init(); /* struct sockaddr_in addr4; struct in_addr inaddr4; inaddr4.s_addr = htonl(INADDR_ANY); addr4.sin_family = AF_INET; addr4.sin_addr = inaddr4; addr4.sin_port = htons(atoi(argv[1])); */ struct SPDY_Daemon *daemon = SPDY_start_daemon(atoi(argv[1]), DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", &new_session_callback,&session_closed_handler,&standard_request_handler,&new_post_data_cb,NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 10, //SPDY_DAEMON_OPTION_SOCK_ADDR, (struct sockaddr *)&addr4, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } /* struct sockaddr_in6 addr6; addr6.sin6_family = AF_INET6; addr6.sin6_addr = in6addr_any; addr6.sin6_port = htons(atoi(argv[1]) + 1); */ struct SPDY_Daemon *daemon2 = SPDY_start_daemon(atoi(argv[1]) + 1, DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", &new_session_callback,NULL,&standard_request_handler,&new_post_data_cb,&main, //SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 0, //SPDY_DAEMON_OPTION_SOCK_ADDR, (struct sockaddr *)&addr6, //SPDY_DAEMON_OPTION_FLAGS, SPDY_DAEMON_FLAG_ONLY_IPV6, SPDY_DAEMON_OPTION_END); if(NULL==daemon2){ printf("no daemon\n"); return 1; } do { unsigned long long timeoutlong=0; struct timeval timeout; volatile int rc; /* select() return code */ volatile int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; if(run && daemon != NULL) { loops++; FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } printf("ret=%i; timeoutlong=%llu; sec=%llu; usec=%llu\n", ret, timeoutlong, (long long unsigned)timeout.tv_sec, (long long unsigned)timeout.tv_usec); //raise(SIGINT); /* get file descriptors from the transfers */ maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); //struct timeval ts1,ts2; //gettimeofday(&ts1, NULL); rc = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); //gettimeofday(&ts2, NULL); printf("rc %i\n",rc); // printf("time for select %i\n",ts2.tv_usec - ts1.tv_usec); // printf("%i %i %i %i\n",ts1.tv_sec, ts1.tv_usec,ts2.tv_sec, ts2.tv_usec); switch(rc) { case -1: /* select error */ break; case 0: break; default: SPDY_run(daemon); break; } } else if(daemon != NULL){ printf("%lu loops in %llu secs\n", loops, (long long unsigned)(time(NULL) - start)); SPDY_stop_daemon(daemon); daemon=NULL; } if(run2) { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon2, &timeoutlong); //printf("tout %i\n",timeoutlong); if(SPDY_NO == ret || timeoutlong > 1) { //do sth else //sleep(1); //try new connection timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong; timeout.tv_usec = 0;//(timeoutlong % 1000) * 1000; } //printf("ret=%i; timeoutlong=%i; sec=%i; usec=%i\n", ret, timeoutlong, timeout.tv_sec, timeout.tv_usec); //raise(SIGINT); /* get file descriptors from the transfers */ maxfd = SPDY_get_fdset (daemon2, &read_fd_set, &write_fd_set, &except_fd_set); rc = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(rc) { case -1: /* select error */ break; case 0: break; default: SPDY_run(daemon2); break; } } else if(daemon2 != NULL){ SPDY_stop_daemon(daemon2); daemon2=NULL; } } while(run || run2); if(daemon != NULL){ SPDY_stop_daemon(daemon); } if(daemon2 != NULL){ SPDY_stop_daemon(daemon2); } SPDY_deinit(); return 0; } libmicrohttpd-0.9.33/src/examples/mhd2spdy_spdy.h0000644000175000017500000000463012202003706016735 00000000000000/* Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file mhd2spdy_spdy.h * @brief SPDY part of the proxy. libspdylay is used for the client side. * @author Andrey Uzunov */ #ifndef SPDY_H #define SPDY_H #include "mhd2spdy_structures.h" struct SPDY_Connection * spdy_connect(const struct URI *uri, uint16_t port, bool is_tls); void spdy_ctl_poll(struct pollfd *pollfd, struct SPDY_Connection *connection); bool spdy_ctl_select(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connection); int spdy_exec_io(struct SPDY_Connection *connection); void spdy_diec(const char *func, int error_code); int spdy_request(const char **nv, struct Proxy *proxy, bool with_body); void spdy_ssl_init_ssl_ctx(SSL_CTX *ssl_ctx, uint16_t *spdy_proto_version); void spdy_free_connection(struct SPDY_Connection * connection); void spdy_get_pollfdset(struct pollfd fds[], struct SPDY_Connection *connections[], unsigned int max_size, nfds_t *real_size); int spdy_get_selectfdset(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connections[], unsigned int max_size, nfds_t *real_size); void spdy_run(struct pollfd fds[], struct SPDY_Connection *connections[], int size); void spdy_run_select(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connections[], int size); #endif libmicrohttpd-0.9.33/src/examples/mhd2spdy_structures.c0000644000175000017500000000742612213116407020207 00000000000000/* Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file mhd2spdy_structures.h * @brief Common functions, macros. * @author Andrey Uzunov */ #include "mhd2spdy_structures.h" void free_uri(struct URI * uri) { if(NULL != uri) { free(uri->full_uri); free(uri->scheme); free(uri->host_and_port); free(uri->host); free(uri->path); free(uri->path_and_more); free(uri->query); free(uri->fragment); uri->port = 0; free(uri); } } int init_parse_uri(regex_t * preg) { // RFC 2396 // ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? /* scheme = $2 authority = $4 path = $5 query = $7 fragment = $9 */ return regcomp(preg, "^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?", REG_EXTENDED); } void deinit_parse_uri(regex_t * preg) { regfree(preg); } int parse_uri(regex_t * preg, char * full_uri, struct URI ** uri) { int ret; char *colon; long long port; size_t nmatch = 10; regmatch_t pmatch[10]; if (0 != (ret = regexec(preg, full_uri, nmatch, pmatch, 0))) return ret; *uri = au_malloc(sizeof(struct URI)); if(NULL == *uri) return -200; (*uri)->full_uri = strdup(full_uri); asprintf(&((*uri)->scheme), "%.*s",pmatch[2].rm_eo - pmatch[2].rm_so, &full_uri[pmatch[2].rm_so]); asprintf(&((*uri)->host_and_port), "%.*s",pmatch[4].rm_eo - pmatch[4].rm_so, &full_uri[pmatch[4].rm_so]); asprintf(&((*uri)->path), "%.*s",pmatch[5].rm_eo - pmatch[5].rm_so, &full_uri[pmatch[5].rm_so]); asprintf(&((*uri)->path_and_more), "%.*s",pmatch[9].rm_eo - pmatch[5].rm_so, &full_uri[pmatch[5].rm_so]); asprintf(&((*uri)->query), "%.*s",pmatch[7].rm_eo - pmatch[7].rm_so, &full_uri[pmatch[7].rm_so]); asprintf(&((*uri)->fragment), "%.*s",pmatch[9].rm_eo - pmatch[9].rm_so, &full_uri[pmatch[9].rm_so]); colon = strrchr((*uri)->host_and_port, ':'); if(NULL == colon) { (*uri)->host = strdup((*uri)->host_and_port); (*uri)->port = 0; return 0; } port = atoi(colon + 1); if(port<1 || port >= 256 * 256) { free_uri(*uri); return -100; } (*uri)->port = port; asprintf(&((*uri)->host), "%.*s", (int)(colon - (*uri)->host_and_port), (*uri)->host_and_port); return 0; } void free_proxy(struct Proxy *proxy) { PRINT_INFO2("free proxy called for '%s'", proxy->url); if(NULL != proxy->http_body && proxy->http_body_size > 0) UPDATE_STAT(glob_stat.spdy_bytes_received_and_dropped, proxy->http_body_size); free(proxy->http_body); free_uri(proxy->uri); free(proxy->url); free(proxy->http_uri); free(proxy); } void *au_malloc(size_t size) { void *new_memory; new_memory = malloc(size); if(NULL != new_memory) { glob_opt.global_memory += size; memset(new_memory, 0, size); } return new_memory; } bool copy_buffer(const void *src, size_t src_size, void **dst, size_t *dst_size) { if(0 == src_size) return true; if(NULL == *dst) *dst = malloc(src_size); else *dst = realloc(*dst, src_size + *dst_size); if(NULL == *dst) return false; memcpy(*dst + *dst_size, src, src_size); *dst_size += src_size; return true; } libmicrohttpd-0.9.33/src/examples/authorization_example.c0000644000175000017500000000577711667473540020614 00000000000000/* This file is part of libmicrohttpd (C) 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file authorization_example.c * @brief example for how to use libmicrohttpd with HTTP authentication * @author Christian Grothoff */ #include "platform.h" #include #define PAGE "libmicrohttpd demolibmicrohttpd demo" #define DENIED "Access deniedAccess denied" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; int ret; char *user; char *pass; int fail; if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ /* require: "Aladdin" with password "open sesame" */ pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (user == NULL) || (0 != strcmp (user, "Aladdin")) || (0 != strcmp (pass, "open sesame") ) ); if (fail) { response = MHD_create_response_from_buffer (strlen (DENIED), (void *) DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection,"TestRealm",response); } else { response = MHD_create_response_from_buffer (strlen (me), (void *) me, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 3) { printf ("%s PORT SECONDS-TO-RUN\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; sleep (atoi (argv[2])); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/minimal_example_comet.c0000644000175000017500000000476511503734670020516 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file minimal_example.c * @brief minimal example for how to generate an infinite stream with libmicrohttpd * @author Christian Grothoff */ #include "platform.h" #include static ssize_t data_generator (void *cls, uint64_t pos, char *buf, size_t max) { if (max < 80) return 0; memset (buf, 'A', max - 1); buf[79] = '\n'; return 80; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 80, &data_generator, NULL, NULL); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/mhd2spdy_spdy.c0000644000175000017500000007214012251173312016736 00000000000000/* * * Copyright (c) 2012 Tatsuhiro Tsujikawa * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * @file mhd2spdy_spdy.c * @brief SPDY part of the proxy. libspdylay is used for the client side. * The example spdycli.c from spdylay was used as basis; * however, multiple changes were made. * @author Tatsuhiro Tsujikawa * @author Andrey Uzunov */ #include "mhd2spdy_structures.h" #include "mhd2spdy_spdy.h" #include "mhd2spdy_http.h" /* * Prints error containing the function name |func| and message |msg| * and exit. */ static void spdy_dief(const char *func, const char *msg) { fprintf(stderr, "FATAL: %s: %s\n", func, msg); exit(EXIT_FAILURE); } /* * Prints error containing the function name |func| and error code * |error_code| and exit. */ void spdy_diec(const char *func, int error_code) { fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code, spdylay_strerror(error_code)); exit(EXIT_FAILURE); } static ssize_t spdy_cb_data_source_read(spdylay_session *session, int32_t stream_id, uint8_t *buf, size_t length, int *eof, spdylay_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)user_data; ssize_t ret; assert(NULL != source); assert(NULL != source->ptr); struct Proxy *proxy = (struct Proxy *)(source->ptr); void *newbody; if(length < 1) { PRINT_INFO("spdy_cb_data_source_read: length is 0"); return 0; } if(!proxy->received_body_size)//nothing to write now { if(proxy->receiving_done) { PRINT_INFO("POST spdy EOF"); *eof = 1; } PRINT_INFO("POST SPDYLAY_ERR_DEFERRED"); return SPDYLAY_ERR_DEFERRED;//TODO SPDYLAY_ERR_DEFERRED should be used } if(length >= proxy->received_body_size) { ret = proxy->received_body_size; newbody = NULL; } else { ret = length; if(NULL == (newbody = malloc(proxy->received_body_size - length))) { PRINT_INFO("no memory"); return SPDYLAY_ERR_TEMPORAL_CALLBACK_FAILURE; } memcpy(newbody, proxy->received_body + length, proxy->received_body_size - length); } memcpy(buf, proxy->received_body, ret); free(proxy->received_body); proxy->received_body = newbody; proxy->received_body_size -= ret; if(0 == proxy->received_body_size && proxy->receiving_done) { PRINT_INFO("POST spdy EOF"); *eof = 1; } PRINT_INFO2("given POST bytes to spdylay: %zd", ret); return ret; } /* * The implementation of spdylay_send_callback type. Here we write * |data| with size |length| to the network and return the number of * bytes actually written. See the documentation of * spdylay_send_callback for the details. */ static ssize_t spdy_cb_send(spdylay_session *session, const uint8_t *data, size_t length, int flags, void *user_data) { (void)session; (void)flags; //PRINT_INFO("spdy_cb_send called"); struct SPDY_Connection *connection; ssize_t rv; connection = (struct SPDY_Connection*)user_data; connection->want_io = IO_NONE; if(glob_opt.ignore_rst_stream && 16 == length && 0x80 == data[0] && 0x00 == data[2] && 0x03 == data[3] ) { PRINT_INFO2("ignoring RST_STREAM for stream_id %i %i %i %i", data[8], data[9], data[10], data[11]); glob_opt.ignore_rst_stream = false; return 16; } glob_opt.ignore_rst_stream = false; if(connection->is_tls) { ERR_clear_error(); rv = SSL_write(connection->ssl, data, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io |= (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } } else { rv = write(connection->fd, data, length); if (rv < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif connection->want_io |= WANT_WRITE; rv = SPDYLAY_ERR_WOULDBLOCK; break; default: rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } } PRINT_INFO2("%zd bytes written by spdy", rv); if(rv > 0) UPDATE_STAT(glob_stat.spdy_bytes_sent, rv); return rv; } /* * The implementation of spdylay_recv_callback type. Here we read data * from the network and write them in |buf|. The capacity of |buf| is * |length| bytes. Returns the number of bytes stored in |buf|. See * the documentation of spdylay_recv_callback for the details. */ static ssize_t spdy_cb_recv(spdylay_session *session, uint8_t *buf, size_t length, int flags, void *user_data) { (void)session; (void)flags; struct SPDY_Connection *connection; ssize_t rv; connection = (struct SPDY_Connection*)user_data; //prevent monopolizing everything if(!(++connection->counter % 10)) return SPDYLAY_ERR_WOULDBLOCK; connection->want_io = IO_NONE; if(connection->is_tls) { ERR_clear_error(); rv = SSL_read(connection->ssl, buf, length); if(rv < 0) { int err = SSL_get_error(connection->ssl, rv); if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) { connection->want_io |= (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE); rv = SPDYLAY_ERR_WOULDBLOCK; } else { rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } else if(rv == 0) { rv = SPDYLAY_ERR_EOF; } } else { rv = read(connection->fd, buf, length); if (rv < 0) { switch(errno) { case EAGAIN: #if EAGAIN != EWOULDBLOCK case EWOULDBLOCK: #endif connection->want_io |= WANT_READ; rv = SPDYLAY_ERR_WOULDBLOCK; break; default: rv = SPDYLAY_ERR_CALLBACK_FAILURE; } } else if(rv == 0) rv = SPDYLAY_ERR_EOF; } if(rv > 0) UPDATE_STAT(glob_stat.spdy_bytes_received, rv); return rv; } static void spdy_cb_before_ctrl_send(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; int32_t stream_id; struct Proxy *proxy; switch(type) { case SPDYLAY_SYN_STREAM: stream_id = frame->syn_stream.stream_id; proxy = spdylay_session_get_stream_user_data(session, stream_id); proxy->stream_id = stream_id; ++glob_opt.streams_opened; ++proxy->spdy_connection->streams_opened; PRINT_INFO2("opening stream: str open %i; %s", glob_opt.streams_opened, proxy->url); break; case SPDYLAY_RST_STREAM: //try to ignore duplicate RST_STREAMs //TODO this will ignore RST_STREAMs also for bogus data glob_opt.ignore_rst_stream = NULL==spdylay_session_get_stream_user_data(session, frame->rst_stream.stream_id); PRINT_INFO2("sending RST_STREAM for %i; ignore %i; status %i", frame->rst_stream.stream_id, glob_opt.ignore_rst_stream, frame->rst_stream.status_code); break; default: break; } } void spdy_cb_on_ctrl_recv(spdylay_session *session, spdylay_frame_type type, spdylay_frame *frame, void *user_data) { (void)user_data; char **nv; int32_t stream_id; struct Proxy * proxy; switch(type) { case SPDYLAY_SYN_REPLY: nv = frame->syn_reply.nv; stream_id = frame->syn_reply.stream_id; break; case SPDYLAY_RST_STREAM: stream_id = frame->rst_stream.stream_id; break; case SPDYLAY_HEADERS: nv = frame->headers.nv; stream_id = frame->headers.stream_id; break; default: return; break; } proxy = spdylay_session_get_stream_user_data(session, stream_id); if(NULL == proxy) { PRINT_INFO2("received frame type %i for unkonwn stream id %i", type, stream_id); return; //DIE("no proxy obj"); } switch(type) { case SPDYLAY_SYN_REPLY: PRINT_INFO2("received headers for %s", proxy->url); http_create_response(proxy, nv); break; case SPDYLAY_RST_STREAM: PRINT_INFO2("received reset stream for %s", proxy->url); proxy->spdy_error = true; break; case SPDYLAY_HEADERS: PRINT_INFO2("received headers for %s", proxy->url); http_create_response(proxy, nv); break; default: return; break; } glob_opt.spdy_data_received = true; } /* * The implementation of spdylay_on_stream_close_callback type. We use * this function to know the response is fully received. Since we just * fetch 1 resource in this program, after reception of the response, * we submit GOAWAY and close the session. */ static void spdy_cb_on_stream_close(spdylay_session *session, int32_t stream_id, spdylay_status_code status_code, void *user_data) { (void)status_code; (void)user_data; struct Proxy * proxy = spdylay_session_get_stream_user_data(session, stream_id); assert(NULL != proxy); --glob_opt.streams_opened; --proxy->spdy_connection->streams_opened; PRINT_INFO2("closing stream: str opened %i; remove proxy %i", glob_opt.streams_opened, proxy->id); DLL_remove(proxy->spdy_connection->proxies_head, proxy->spdy_connection->proxies_tail, proxy); if(proxy->http_active) { proxy->spdy_active = false; } else { free_proxy(proxy); } } /* * The implementation of spdylay_on_data_chunk_recv_callback type. We * use this function to print the received response body. */ static void spdy_cb_on_data_chunk_recv(spdylay_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { (void)flags; (void)user_data; struct Proxy *proxy; proxy = spdylay_session_get_stream_user_data(session, stream_id); if(NULL == proxy) { PRINT_INFO("proxy in spdy_cb_on_data_chunk_recv is NULL)"); return; } if(!copy_buffer(data, len, &proxy->http_body, &proxy->http_body_size)) { //TODO handle it better? PRINT_INFO("not enough memory (malloc/realloc returned NULL)"); return; } /* if(NULL == proxy->http_body) proxy->http_body = au_malloc(len); else proxy->http_body = realloc(proxy->http_body, proxy->http_body_size + len); if(NULL == proxy->http_body) { PRINT_INFO("not enough memory (realloc returned NULL)"); return ; } memcpy(proxy->http_body + proxy->http_body_size, data, len); proxy->http_body_size += len; */ PRINT_INFO2("received data for %s; %zu bytes", proxy->url, len); glob_opt.spdy_data_received = true; } static void spdy_cb_on_data_recv(spdylay_session *session, uint8_t flags, int32_t stream_id, int32_t length, void *user_data) { (void)length; (void)user_data; if(flags & SPDYLAY_DATA_FLAG_FIN) { struct Proxy *proxy; proxy = spdylay_session_get_stream_user_data(session, stream_id); proxy->done = true; PRINT_INFO2("last data frame received for %s", proxy->url); } } /* * Setup callback functions. Spdylay API offers many callback * functions, but most of them are optional. The send_callback is * always required. Since we use spdylay_session_recv(), the * recv_callback is also required. */ static void spdy_setup_spdylay_callbacks(spdylay_session_callbacks *callbacks) { memset(callbacks, 0, sizeof(spdylay_session_callbacks)); callbacks->send_callback = spdy_cb_send; callbacks->recv_callback = spdy_cb_recv; callbacks->before_ctrl_send_callback = spdy_cb_before_ctrl_send; callbacks->on_ctrl_recv_callback = spdy_cb_on_ctrl_recv; callbacks->on_stream_close_callback = spdy_cb_on_stream_close; callbacks->on_data_chunk_recv_callback = spdy_cb_on_data_chunk_recv; callbacks->on_data_recv_callback = spdy_cb_on_data_recv; } /* * Callback function for SSL/TLS NPN. Since this program only supports * SPDY protocol, if server does not offer SPDY protocol the Spdylay * library supports, we terminate program. */ static int spdy_cb_ssl_select_next_proto(SSL* ssl, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { (void)ssl; int rv; uint16_t *spdy_proto_version; /* spdylay_select_next_protocol() selects SPDY protocol version the Spdylay library supports. */ rv = spdylay_select_next_protocol(out, outlen, in, inlen); if(rv <= 0) { PRINT_INFO("Server did not advertise spdy/2 or spdy/3 protocol."); return rv; } spdy_proto_version = (uint16_t*)arg; *spdy_proto_version = rv; return SSL_TLSEXT_ERR_OK; } /* * Setup SSL context. We pass |spdy_proto_version| to get negotiated * SPDY protocol version in NPN callback. */ void spdy_ssl_init_ssl_ctx(SSL_CTX *ssl_ctx, uint16_t *spdy_proto_version) { /* Disable SSLv2 and enable all workarounds for buggy servers */ SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2 | SSL_OP_NO_COMPRESSION); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY); SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS); /* Set NPN callback */ SSL_CTX_set_next_proto_select_cb(ssl_ctx, spdy_cb_ssl_select_next_proto, spdy_proto_version); } static int spdy_ssl_handshake(SSL *ssl, int fd) { int rv; if(SSL_set_fd(ssl, fd) == 0) spdy_dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL)); ERR_clear_error(); rv = SSL_connect(ssl); if(rv <= 0) PRINT_INFO2("SSL_connect %s", ERR_error_string(ERR_get_error(), NULL)); return rv; } /* * Connects to the host |host| and port |port|. This function returns * the file descriptor of the client socket. */ static int spdy_socket_connect_to(const char *host, uint16_t port) { struct addrinfo hints; int fd = -1; int rv; char service[NI_MAXSERV]; struct addrinfo *res, *rp; //TODO checks snprintf(service, sizeof(service), "%u", port); memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_STREAM; rv = getaddrinfo(host, service, &hints, &res); if(rv != 0) { printf("%s\n",host); spdy_dief("getaddrinfo", gai_strerror(rv)); } for(rp = res; rp; rp = rp->ai_next) { fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if(fd == -1) continue; while((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 && errno == EINTR); if(rv == 0) break; close(fd); fd = -1; } freeaddrinfo(res); return fd; } static void spdy_socket_make_non_block(int fd) { int flags; int rv; while((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR); if(flags == -1) spdy_dief("fcntl", strerror(errno)); while((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR); if(rv == -1) spdy_dief("fcntl", strerror(errno)); } /* * Setting TCP_NODELAY is not mandatory for the SPDY protocol. */ static void spdy_socket_set_tcp_nodelay(int fd) { int val = 1; int rv; rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(rv == -1) spdy_dief("setsockopt", strerror(errno)); } /* * Update |pollfd| based on the state of |connection|. */ /* void spdy_ctl_poll(struct pollfd *pollfd, struct SPDY_Connection *connection) { pollfd->events = 0; if(spdylay_session_want_read(connection->session) || connection->want_io & WANT_READ) { pollfd->events |= POLLIN; } if(spdylay_session_want_write(connection->session) || connection->want_io & WANT_WRITE) { pollfd->events |= POLLOUT; } }*/ /* * Update |selectfd| based on the state of |connection|. */ bool spdy_ctl_select(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connection) { (void)except_fd_set; bool ret = false; if(spdylay_session_want_read(connection->session) || connection->want_io & WANT_READ) { FD_SET(connection->fd, read_fd_set); ret = true; } if(spdylay_session_want_write(connection->session) || connection->want_io & WANT_WRITE) { FD_SET(connection->fd, write_fd_set); ret = true; } return ret; } /* * Performs the network I/O. */ int spdy_exec_io(struct SPDY_Connection *connection) { int rv; rv = spdylay_session_recv(connection->session); if(rv != 0) { PRINT_INFO2("spdylay_session_recv %i", rv); return rv; } rv = spdylay_session_send(connection->session); if(rv != 0) PRINT_INFO2("spdylay_session_send %i", rv); return rv; } /* * Fetches the resource denoted by |uri|. */ struct SPDY_Connection * spdy_connect(const struct URI *uri, uint16_t port, bool is_tls) { spdylay_session_callbacks callbacks; int fd; SSL *ssl=NULL; struct SPDY_Connection * connection = NULL; int rv; spdy_setup_spdylay_callbacks(&callbacks); /* Establish connection and setup SSL */ PRINT_INFO2("connecting to %s:%i", uri->host, port); fd = spdy_socket_connect_to(uri->host, port); if(fd == -1) { PRINT_INFO("Could not open file descriptor"); return NULL; } if(is_tls) { ssl = SSL_new(glob_opt.ssl_ctx); if(ssl == NULL) { spdy_dief("SSL_new", ERR_error_string(ERR_get_error(), NULL)); } //TODO non-blocking /* To simplify the program, we perform SSL/TLS handshake in blocking I/O. */ glob_opt.spdy_proto_version = 0; rv = spdy_ssl_handshake(ssl, fd); if(rv <= 0 || (glob_opt.spdy_proto_version != 3 && glob_opt.spdy_proto_version != 2)) { PRINT_INFO("Closing SSL"); //no spdy on the other side goto free_and_fail; } } else { glob_opt.spdy_proto_version = 3; } if(NULL == (connection = au_malloc(sizeof(struct SPDY_Connection)))) goto free_and_fail; connection->is_tls = is_tls; connection->ssl = ssl; connection->want_io = IO_NONE; if(NULL == (connection->host = strdup(uri->host))) goto free_and_fail; /* Here make file descriptor non-block */ spdy_socket_make_non_block(fd); spdy_socket_set_tcp_nodelay(fd); PRINT_INFO2("[INFO] SPDY protocol version = %d\n", glob_opt.spdy_proto_version); rv = spdylay_session_client_new(&(connection->session), glob_opt.spdy_proto_version, &callbacks, connection); if(rv != 0) { spdy_diec("spdylay_session_client_new", rv); } connection->fd = fd; return connection; //for GOTO free_and_fail: if(NULL != connection) { free(connection->host); free(connection); } if(is_tls) SSL_shutdown(ssl); close(fd); if(is_tls) SSL_free(ssl); return NULL; } void spdy_free_connection(struct SPDY_Connection * connection) { struct Proxy *proxy; struct Proxy *proxy_next; if(NULL != connection) { for(proxy = connection->proxies_head; NULL != proxy; proxy=proxy_next) { proxy_next = proxy->next; DLL_remove(connection->proxies_head, connection->proxies_tail, proxy); proxy->spdy_active = false; proxy->spdy_error = true; PRINT_INFO2("spdy_free_connection for id %i", proxy->id); if(!proxy->http_active) { free_proxy(proxy); } } spdylay_session_del(connection->session); SSL_free(connection->ssl); free(connection->host); free(connection); //connection->session = NULL; } } int spdy_request(const char **nv, struct Proxy *proxy, bool with_body) { int ret; uint16_t port; struct SPDY_Connection *connection; spdylay_data_provider post_data; if(glob_opt.only_proxy) { connection = glob_opt.spdy_connection; } else { connection = glob_opt.spdy_connections_head; while(NULL != connection) { if(0 == strcasecmp(proxy->uri->host, connection->host)) break; connection = connection->next; } if(NULL == connection) { //connect to host port = proxy->uri->port; if(0 == port) port = 443; connection = spdy_connect(proxy->uri, port, true); if(NULL != connection) { DLL_insert(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connection); glob_opt.total_spdy_connections++; } else connection = glob_opt.spdy_connection; } } if(NULL == connection) { PRINT_INFO("there is no proxy!"); return -1; } proxy->spdy_connection = connection; if(with_body) { post_data.source.ptr = proxy; post_data.read_callback = &spdy_cb_data_source_read; ret = spdylay_submit_request(connection->session, 0, nv, &post_data, proxy); } else ret = spdylay_submit_request(connection->session, 0, nv, NULL, proxy); if(ret != 0) { spdy_diec("spdylay_spdy_submit_request", ret); } PRINT_INFO2("adding proxy %i", proxy->id); if(NULL != connection->proxies_head) PRINT_INFO2("before proxy %i", connection->proxies_head->id); DLL_insert(connection->proxies_head, connection->proxies_tail, proxy); return ret; } /* void spdy_get_pollfdset(struct pollfd fds[], struct SPDY_Connection *connections[], unsigned int max_size, nfds_t *real_size) { struct SPDY_Connection *connection; struct Proxy *proxy; *real_size = 0; if(max_size<1) return; if(NULL != glob_opt.spdy_connection) { spdy_ctl_poll(&(fds[*real_size]), glob_opt.spdy_connection); if(!fds[*real_size].events) { //PRINT_INFO("TODO drop connection"); glob_opt.streams_opened -= glob_opt.spdy_connection->streams_opened; for(proxy = glob_opt.spdy_connection->proxies_head; NULL != proxy; proxy=proxy->next) { abort(); DLL_remove(glob_opt.spdy_connection->proxies_head, glob_opt.spdy_connection->proxies_tail, proxy); proxy->spdy_active = false; } spdy_free_connection(glob_opt.spdy_connection); glob_opt.spdy_connection = NULL; } else { fds[*real_size].fd = glob_opt.spdy_connection->fd; connections[*real_size] = glob_opt.spdy_connection; ++(*real_size); } } connection = glob_opt.spdy_connections_head; while(NULL != connection && *real_size < max_size) { assert(!glob_opt.only_proxy); spdy_ctl_poll(&(fds[*real_size]), connection); if(!fds[*real_size].events) { //PRINT_INFO("TODO drop connection"); glob_opt.streams_opened -= connection->streams_opened; DLL_remove(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connection); glob_opt.total_spdy_connections--; for(proxy = connection->proxies_head; NULL != proxy; proxy=proxy->next) { abort(); DLL_remove(connection->proxies_head, connection->proxies_tail, proxy); proxy->spdy_active = false; } spdy_free_connection(connection); } else { fds[*real_size].fd = connection->fd; connections[*real_size] = connection; ++(*real_size); } connection = connection->next; } //, "TODO max num of conn reached; close something" assert(NULL == connection); } */ int spdy_get_selectfdset(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connections[], unsigned int max_size, nfds_t *real_size) { struct SPDY_Connection *connection; struct SPDY_Connection *next_connection; bool ret; int maxfd = 0; *real_size = 0; if(max_size<1) return 0; if(NULL != glob_opt.spdy_connection) { ret = spdy_ctl_select(read_fd_set, write_fd_set, except_fd_set, glob_opt.spdy_connection); if(!ret) { glob_opt.streams_opened -= glob_opt.spdy_connection->streams_opened; PRINT_INFO("spdy_free_connection in spdy_get_selectfdset"); spdy_free_connection(glob_opt.spdy_connection); glob_opt.spdy_connection = NULL; } else { connections[*real_size] = glob_opt.spdy_connection; ++(*real_size); if(maxfd < glob_opt.spdy_connection->fd) maxfd = glob_opt.spdy_connection->fd; } } connection = glob_opt.spdy_connections_head; while(NULL != connection && *real_size < max_size) { assert(!glob_opt.only_proxy); ret = spdy_ctl_select(read_fd_set, write_fd_set, except_fd_set, connection); next_connection = connection->next; if(!ret) { glob_opt.streams_opened -= connection->streams_opened; DLL_remove(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connection); glob_opt.total_spdy_connections--; PRINT_INFO("spdy_free_connection in spdy_get_selectfdset"); spdy_free_connection(connection); } else { connections[*real_size] = connection; ++(*real_size); if(maxfd < connection->fd) maxfd = connection->fd; } connection = next_connection; } //, "TODO max num of conn reached; close something" assert(NULL == connection); return maxfd; } /* void spdy_run(struct pollfd fds[], struct SPDY_Connection *connections[], int size) { int i; int ret; struct Proxy *proxy; for(i=0; ihost); if(fds[i].revents & (POLLIN | POLLOUT)) { ret = spdy_exec_io(connections[i]); //PRINT_INFO2("%i",ret); //if((spdy_pollfds[i].revents & POLLHUP) || (spdy_pollfds[0].revents & POLLERR)) // PRINT_INFO("SPDY SPDY_Connection error"); //TODO POLLRDHUP // always close on ret != 0? if(0 != ret) { glob_opt.streams_opened -= connections[i]->streams_opened; if(connections[i] == glob_opt.spdy_connection) { glob_opt.spdy_connection = NULL; } else { DLL_remove(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connections[i]); glob_opt.total_spdy_connections--; } for(proxy = connections[i]->proxies_head; NULL != proxy; proxy=proxy->next) { abort(); DLL_remove(connections[i]->proxies_head, connections[i]->proxies_tail, proxy); proxy->spdy_active = false; proxy->spdy_error = true; PRINT_INFO2("spdy_free_connection for id %i", proxy->id); } PRINT_INFO("spdy_free_connection in loop"); spdy_free_connection(connections[i]); } } else PRINT_INFO("not called"); } } */ void spdy_run_select(fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, struct SPDY_Connection *connections[], int size) { int i; int ret; for(i=0; ihost); if(FD_ISSET(connections[i]->fd, read_fd_set) || FD_ISSET(connections[i]->fd, write_fd_set) || FD_ISSET(connections[i]->fd, except_fd_set)) { //raise(SIGINT); ret = spdy_exec_io(connections[i]); if(0 != ret) { glob_opt.streams_opened -= connections[i]->streams_opened; if(connections[i] == glob_opt.spdy_connection) { glob_opt.spdy_connection = NULL; } else { DLL_remove(glob_opt.spdy_connections_head, glob_opt.spdy_connections_tail, connections[i]); glob_opt.total_spdy_connections--; } PRINT_INFO("in spdy_run_select"); spdy_free_connection(connections[i]); } } else { PRINT_INFO("not called"); //PRINT_INFO2("connection->want_io %i",connections[i]->want_io); //PRINT_INFO2("read %i",spdylay_session_want_read(connections[i]->session)); //PRINT_INFO2("write %i",spdylay_session_want_write(connections[i]->session)); //raise(SIGINT); } } } libmicrohttpd-0.9.33/src/examples/fileserver_example_external_select.c0000644000175000017500000001006512031373064023267 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file fileserver_example_external_select.c * @brief minimal example for how to use libmicrohttpd to server files * @author Christian Grothoff */ #include "platform.h" #include #include #include #define PAGE "File not foundFile not found" static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { FILE *file = cls; (void) fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static void free_callback (void *cls) { FILE *file = cls; fclose (file); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; FILE *file; struct stat buf; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ if ( (0 == stat (&url[1], &buf)) && (S_ISREG (buf.st_mode)) ) file = fopen (&url[1], "rb"); else file = NULL; if (file == NULL) { response = MHD_create_response_from_buffer (strlen (PAGE), (void *) PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_destroy_response (response); } else { response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k page size */ &file_reader, file, &free_callback); if (response == NULL) { fclose (file); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; time_t end; time_t t; struct timeval tv; fd_set rs; fd_set ws; fd_set es; int max; MHD_UNSIGNED_LONG_LONG mhd_timeout; if (argc != 3) { printf ("%s PORT SECONDS-TO-RUN\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; end = time (NULL) + atoi (argv[2]); while ((t = time (NULL)) < end) { tv.tv_sec = end - t; tv.tv_usec = 0; max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) break; /* fatal internal error */ if (MHD_get_timeout (d, &mhd_timeout) == MHD_YES) { if (tv.tv_sec * 1000 < mhd_timeout) { tv.tv_sec = mhd_timeout / 1000; tv.tv_usec = (mhd_timeout - (tv.tv_sec * 1000)) * 1000; } } select (max + 1, &rs, &ws, &es, &tv); MHD_run (d); } MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/spdy_response_with_callback.c0000644000175000017500000001155612202003706021710 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file response_with_callback.c * @brief shows how to create responses with callbacks * @author Andrey Uzunov */ //for asprintf #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include "microspdy.h" static int run = 1; static ssize_t response_callback (void *cls, void *buffer, size_t max, bool *more) { FILE *fd =(FILE*)cls; int ret = fread(buffer,1,max,fd); *more = feof(fd) == 0; if(!(*more)) fclose(fd); return ret; } static void response_done_callback(void *cls, struct SPDY_Response *response, struct SPDY_Request *request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)streamopened; (void)status; printf("answer for %s was sent\n", (char *)cls); SPDY_destroy_request(request); SPDY_destroy_response(response); free(cls); } static void standard_request_handler(void *cls, struct SPDY_Request * request, uint8_t priority, const char *method, const char *path, const char *version, const char *host, const char *scheme, struct SPDY_NameValue * headers, bool more) { (void)cls; (void)request; (void)priority; (void)host; (void)scheme; (void)headers; (void)more; char *html; struct SPDY_Response *response=NULL; struct SPDY_NameValue *resp_headers; printf("received request for '%s %s %s'\n", method, path, version); if(strcmp(path,"/spdy-draft.txt")==0) { FILE *fd = fopen(DATA_DIR "spdy-draft.txt","r"); if(NULL == (resp_headers = SPDY_name_value_create())) { fprintf(stdout,"SPDY_name_value_create failed\n"); abort(); } if(SPDY_YES != SPDY_name_value_add(resp_headers,SPDY_HTTP_HEADER_CONTENT_TYPE,"text/plain")) { fprintf(stdout,"SPDY_name_value_add failed\n"); abort(); } response = SPDY_build_response_with_callback(200,NULL, SPDY_HTTP_VERSION_1_1,resp_headers,&response_callback,fd,SPDY_MAX_SUPPORTED_FRAME_SIZE); SPDY_name_value_destroy(resp_headers); } else { if(strcmp(path,"/close")==0) { asprintf(&html,"" "Closing now!"); run = 0; } else { asprintf(&html,"" "/spdy-draft.txt
    "); } response = SPDY_build_response(200,NULL,SPDY_HTTP_VERSION_1_1,NULL,html,strlen(html)); free(html); } if(NULL==response){ fprintf(stdout,"no response obj\n"); abort(); } void *clspath = strdup(path); if(SPDY_queue_response(request,response,true,false,&response_done_callback,clspath)!=SPDY_YES) { fprintf(stdout,"queue\n"); abort(); } } int main (int argc, char *const *argv) { unsigned long long timeoutlong=0; struct timeval timeout; int ret; fd_set read_fd_set; fd_set write_fd_set; fd_set except_fd_set; int maxfd = -1; struct SPDY_Daemon *daemon; if(argc != 2) { return 1; } SPDY_init(); daemon = SPDY_start_daemon(atoi(argv[1]), DATA_DIR "cert-and-key.pem", DATA_DIR "cert-and-key.pem", NULL, NULL, &standard_request_handler, NULL, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_END); if(NULL==daemon){ printf("no daemon\n"); return 1; } do { FD_ZERO(&read_fd_set); FD_ZERO(&write_fd_set); FD_ZERO(&except_fd_set); ret = SPDY_get_timeout(daemon, &timeoutlong); if(SPDY_NO == ret || timeoutlong > 1000) { timeout.tv_sec = 1; timeout.tv_usec = 0; } else { timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; } maxfd = SPDY_get_fdset (daemon, &read_fd_set, &write_fd_set, &except_fd_set); ret = select(maxfd+1, &read_fd_set, &write_fd_set, &except_fd_set, &timeout); switch(ret) { case -1: printf("select error: %i\n", errno); break; case 0: break; default: SPDY_run(daemon); break; } } while(run); SPDY_stop_daemon(daemon); SPDY_deinit(); return 0; } libmicrohttpd-0.9.33/src/examples/digest_auth_example.c0000644000175000017500000000763212220070440020156 00000000000000/* This file is part of libmicrohttpd (C) 2010 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file digest_auth_example.c * @brief minimal example for how to use digest auth with libmicrohttpd * @author Amr Ali */ #include "platform.h" #include #include #define PAGE "libmicrohttpd demoAccess granted" #define DENIED "libmicrohttpd demoAccess denied" #define MY_OPAQUE_STR "11733b200778ce33060f31c9af70a870ba96ddd4" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; char *username; const char *password = "testpass"; const char *realm = "test@example.com"; int ret; username = MHD_digest_auth_get_username(connection); if (username == NULL) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE_STR, response, MHD_NO); MHD_destroy_response(response); return ret; } ret = MHD_digest_auth_check(connection, realm, username, password, 300); free(username); if ( (ret == MHD_INVALID_NONCE) || (ret == MHD_NO) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE_STR, response, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO); MHD_destroy_response(response); return ret; } response = MHD_create_response_from_buffer(strlen(PAGE), PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, MHD_HTTP_OK, response); MHD_destroy_response(response); return ret; } int main (int argc, char *const *argv) { int fd; char rnd[8]; size_t len; size_t off; struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } fd = open("/dev/urandom", O_RDONLY); if (-1 == fd) { fprintf (stderr, "Failed to open `%s': %s\n", "/dev/urandom", strerror (errno)); return 1; } off = 0; while (off < 8) { len = read(fd, rnd, 8); if (len == -1) { fprintf (stderr, "Failed to read `%s': %s\n", "/dev/urandom", strerror (errno)); (void) close (fd); return 1; } off += len; } (void) close(fd); d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_DIGEST_AUTH_RANDOM, sizeof(rnd), rnd, MHD_OPTION_NONCE_NC_SIZE, 300, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } /* end of digest_auth_example.c */ libmicrohttpd-0.9.33/src/examples/querystring_example.c0000644000175000017500000000536011510611144020251 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file querystring_example.c * @brief example for how to get the query string from libmicrohttpd * Call with an URI ending with something like "?q=QUERY" * @author Christian Grothoff */ #include "platform.h" #include #define PAGE "libmicrohttpd demoQuery string for "%s" was "%s"" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *fmt = cls; const char *val; char *me; struct MHD_Response *response; int ret; if (0 != strcmp (method, "GET")) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ val = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "q"); me = malloc (snprintf (NULL, 0, fmt, "q", val) + 1); if (me == NULL) return MHD_NO; sprintf (me, fmt, "q", val); response = MHD_create_response_from_buffer (strlen (me), me, MHD_RESPMEM_MUST_FREE); if (response == NULL) { free (me); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; (void) getc (stdin); MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/src/examples/mhd2spdy_http.c0000644000175000017500000002556212251173312016744 00000000000000/* Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file mhd2spdy_http.c * @brief HTTP part of the proxy. libmicrohttpd is used for the server side. * @author Andrey Uzunov */ #include "mhd2spdy_structures.h" #include "mhd2spdy_http.h" #include "mhd2spdy_spdy.h" void * http_cb_log(void * cls, const char * uri) { (void)cls; struct HTTP_URI * http_uri; PRINT_INFO2("log uri '%s'\n", uri); //TODO not freed once in a while if(NULL == (http_uri = au_malloc(sizeof(struct HTTP_URI )))) return NULL; http_uri->uri = strdup(uri); return http_uri; } static int http_cb_iterate(void *cls, enum MHD_ValueKind kind, const char *name, const char *value) { (void)kind; static char * const forbidden[] = {"Transfer-Encoding", "Proxy-Connection", "Keep-Alive", "Connection"}; static int forbidden_size = 4; int i; struct SPDY_Headers *spdy_headers = (struct SPDY_Headers *)cls; if(0 == strcasecmp(name, "Host")) spdy_headers->nv[9] = (char *)value; else { for(i=0; inv[spdy_headers->cnt++] = (char *)name; spdy_headers->nv[spdy_headers->cnt++] = (char *)value; } return MHD_YES; } static ssize_t http_cb_response (void *cls, uint64_t pos, char *buffer, size_t max) { (void)pos; int ret; struct Proxy *proxy = (struct Proxy *)cls; void *newbody; const union MHD_ConnectionInfo *info; int val = 1; PRINT_INFO2("http_cb_response for %s", proxy->url); if(proxy->spdy_error) return MHD_CONTENT_READER_END_WITH_ERROR; if(0 == proxy->http_body_size && (proxy->done || !proxy->spdy_active)) { PRINT_INFO("sent end of stream"); return MHD_CONTENT_READER_END_OF_STREAM; } if(!proxy->http_body_size)//nothing to write now { //flush data info = MHD_get_connection_info (proxy->http_connection, MHD_CONNECTION_INFO_CONNECTION_FD); ret = setsockopt(info->connect_fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val)); if(ret == -1) { DIE("setsockopt"); } PRINT_INFO("FLUSH data"); return 0; } if(max >= proxy->http_body_size) { ret = proxy->http_body_size; newbody = NULL; } else { ret = max; if(NULL == (newbody = au_malloc(proxy->http_body_size - max))) { PRINT_INFO("no memory"); return MHD_CONTENT_READER_END_WITH_ERROR; } memcpy(newbody, proxy->http_body + max, proxy->http_body_size - max); } memcpy(buffer, proxy->http_body, ret); free(proxy->http_body); proxy->http_body = newbody; proxy->http_body_size -= ret; if(proxy->length >= 0) { proxy->length -= ret; } PRINT_INFO2("response_callback, size: %i",ret); return ret; } static void http_cb_response_done(void *cls) { (void)cls; //TODO remove } int http_cb_request (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { (void)cls; (void)url; (void)upload_data; (void)upload_data_size; int ret; struct Proxy *proxy; struct SPDY_Headers spdy_headers; bool with_body = false; struct HTTP_URI *http_uri; const char *header_value; if (NULL == ptr || NULL == *ptr) return MHD_NO; http_uri = (struct HTTP_URI *)*ptr; if(NULL == http_uri->proxy) { //first call for this request if (0 != strcmp (method, MHD_HTTP_METHOD_GET) && 0 != strcmp (method, MHD_HTTP_METHOD_POST)) { free(http_uri->uri); free(http_uri); PRINT_INFO2("unexpected method %s", method); return MHD_NO; } if(NULL == (proxy = au_malloc(sizeof(struct Proxy)))) { free(http_uri->uri); free(http_uri); PRINT_INFO("No memory"); return MHD_NO; } ++glob_opt.responses_pending; proxy->id = rand(); proxy->http_active = true; proxy->http_connection = connection; http_uri->proxy = proxy; return MHD_YES; } proxy = http_uri->proxy; if(proxy->spdy_error || proxy->http_error) return MHD_NO; // handled at different place TODO? leaks? if(proxy->spdy_active) { if(0 == strcmp (method, MHD_HTTP_METHOD_POST)) { PRINT_INFO("POST processing"); int rc= spdylay_session_resume_data(proxy->spdy_connection->session, proxy->stream_id); PRINT_INFO2("rc is %i stream is %i", rc, proxy->stream_id); proxy->spdy_connection->want_io |= WANT_WRITE; if(0 == *upload_data_size) { PRINT_INFO("POST http EOF"); proxy->receiving_done = true; return MHD_YES; } if(!copy_buffer(upload_data, *upload_data_size, &proxy->received_body, &proxy->received_body_size)) { //TODO handle it better? PRINT_INFO("not enough memory (malloc/realloc returned NULL)"); return MHD_NO; } *upload_data_size = 0; return MHD_YES; } //already handled PRINT_INFO("unnecessary call to http_cb_request"); return MHD_YES; } //second call for this request PRINT_INFO2("received request for '%s %s %s'", method, http_uri->uri, version); proxy->url = http_uri->uri; header_value = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH); with_body = 0 == strcmp (method, MHD_HTTP_METHOD_POST) && (NULL == header_value || 0 != strcmp ("0", header_value)); PRINT_INFO2("body will be sent %i", with_body); ret = parse_uri(&glob_opt.uri_preg, proxy->url, &proxy->uri); if(ret != 0) DIE("parse_uri failed"); proxy->http_uri = http_uri; spdy_headers.num = MHD_get_connection_values (connection, MHD_HEADER_KIND, NULL, NULL); if(NULL == (spdy_headers.nv = au_malloc(((spdy_headers.num + 5) * 2 + 1) * sizeof(char *)))) DIE("no memory"); spdy_headers.nv[0] = ":method"; spdy_headers.nv[1] = method; spdy_headers.nv[2] = ":path"; spdy_headers.nv[3] = proxy->uri->path_and_more; spdy_headers.nv[4] = ":version"; spdy_headers.nv[5] = (char *)version; spdy_headers.nv[6] = ":scheme"; spdy_headers.nv[7] = proxy->uri->scheme; spdy_headers.nv[8] = ":host"; spdy_headers.nv[9] = NULL; //nv[14] = NULL; spdy_headers.cnt = 10; MHD_get_connection_values (connection, MHD_HEADER_KIND, &http_cb_iterate, &spdy_headers); spdy_headers.nv[spdy_headers.cnt] = NULL; if(NULL == spdy_headers.nv[9]) spdy_headers.nv[9] = proxy->uri->host_and_port; if(0 != spdy_request(spdy_headers.nv, proxy, with_body)) { free(spdy_headers.nv); //free_proxy(proxy); return MHD_NO; } free(spdy_headers.nv); proxy->http_response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 4096, &http_cb_response, proxy, &http_cb_response_done); if (NULL == proxy->http_response) DIE("no response"); if(MHD_NO == MHD_add_response_header (proxy->http_response, "Proxy-Connection", "keep-alive")) PRINT_INFO("SPDY_name_value_add failed: "); if(MHD_NO == MHD_add_response_header (proxy->http_response, "Connection", "Keep-Alive")) PRINT_INFO("SPDY_name_value_add failed: "); if(MHD_NO == MHD_add_response_header (proxy->http_response, "Keep-Alive", "timeout=5, max=100")) PRINT_INFO("SPDY_name_value_add failed: "); proxy->spdy_active = true; return MHD_YES; } void http_create_response(struct Proxy* proxy, char **nv) { size_t i; if(!proxy->http_active) return; for(i = 0; nv[i]; i += 2) { if(0 == strcmp(":status", nv[i])) { char tmp[4]; memcpy(&tmp,nv[i+1],3); tmp[3]=0; proxy->status = atoi(tmp); continue; } else if(0 == strcmp(":version", nv[i])) { proxy->version = nv[i+1]; continue; } else if(0 == strcmp("content-length", nv[i])) { continue; } char *header = *(nv+i); if(MHD_NO == MHD_add_response_header (proxy->http_response, header, nv[i+1])) { PRINT_INFO2("SPDY_name_value_add failed: '%s' '%s'", header, nv[i+1]); } PRINT_INFO2("adding '%s: %s'",header, nv[i+1]); } if(MHD_NO == MHD_queue_response (proxy->http_connection, proxy->status, proxy->http_response)){ PRINT_INFO("No queue"); //TODO //abort(); proxy->http_error = true; } MHD_destroy_response (proxy->http_response); proxy->http_response = NULL; } void http_cb_request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { (void)cls; (void)connection; struct HTTP_URI *http_uri; struct Proxy *proxy; http_uri = (struct HTTP_URI *)*con_cls; if(NULL == http_uri) return; proxy = (struct Proxy *)http_uri->proxy; assert(NULL != proxy); PRINT_INFO2("http_cb_request_completed %i for %s; id %i",toe, http_uri->uri, proxy->id); if(NULL != proxy->http_response) { MHD_destroy_response (proxy->http_response); proxy->http_response = NULL; } if(proxy->spdy_active) { proxy->http_active = false; if(MHD_REQUEST_TERMINATED_COMPLETED_OK != toe) { proxy->http_error = true; if(proxy->stream_id > 0 /*&& NULL != proxy->spdy_connection->session*/) { //send RST_STREAM_STATUS_CANCEL PRINT_INFO2("send rst_stream %i %i",proxy->spdy_active, proxy->stream_id ); spdylay_submit_rst_stream(proxy->spdy_connection->session, proxy->stream_id, 5); } /*else { DLL_remove(proxy->spdy_connection->proxies_head, proxy->spdy_connection->proxies_tail, proxy); free_proxy(proxy); }*/ } } else { PRINT_INFO2("proxy free http id %i ", proxy->id); free_proxy(proxy); } --glob_opt.responses_pending; } libmicrohttpd-0.9.33/src/Makefile.am0000644000175000017500000000067512216711177014233 00000000000000if HAVE_CURL curltests = testcurl if HAVE_ZZUF if HAVE_SOCAT zzuftests = testzzuf endif endif endif if ENABLE_SPDY if HAVE_OPENSSL microspdy = microspdy if HAVE_CURL microspdy += spdy2http endif #if HAVE_SPDYLAY microspdy += testspdy #endif endif endif SUBDIRS = include microhttpd $(microspdy) examples $(curltests) $(zzuftests) . EXTRA_DIST = \ datadir/cert-and-key.pem \ datadir/cert-and-key-for-wireshark.pem \ datadir/spdy-draft.txt libmicrohttpd-0.9.33/src/microhttpd/0000755000175000017500000000000012255341026014417 500000000000000libmicrohttpd-0.9.33/src/microhttpd/test_postprocessor.c0000644000175000017500000002446012234142175020476 00000000000000/* This file is part of libmicrohttpd (C) 2007,2013 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_postprocessor.c * @brief Testcase for postprocessor * @author Christian Grothoff */ #include "platform.h" #include "microhttpd.h" #include "internal.h" #include #include #include #ifndef WINDOWS #include #endif /** * Array of values that the value checker "wants". * Each series of checks should be terminated by * five NULL-entries. */ const char *want[] = { #define URL_DATA "abc=def&x=5" #define URL_START 0 "abc", NULL, NULL, NULL, "def", "x", NULL, NULL, NULL, "5", #define URL_END (URL_START + 10) NULL, NULL, NULL, NULL, NULL, #define FORM_DATA "--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\nJoe Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\"; filename=\"file1.txt\"\r\nContent-Type: text/plain\r\nContent-Transfer-Encoding: binary\r\n\r\nfiledata\r\n--AaB03x--\r\n" #define FORM_START (URL_END + 5) "field1", NULL, NULL, NULL, "Joe Blow", "pics", "file1.txt", "text/plain", "binary", "filedata", #define FORM_END (FORM_START + 10) NULL, NULL, NULL, NULL, NULL, #define FORM_NESTED_DATA "--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\nJane Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\"\r\nContent-type: multipart/mixed, boundary=BbC04y\r\n\r\n--BbC04y\r\nContent-disposition: attachment; filename=\"file1.txt\"\r\nContent-Type: text/plain\r\n\r\nfiledata1\r\n--BbC04y\r\nContent-disposition: attachment; filename=\"file2.gif\"\r\nContent-type: image/gif\r\nContent-Transfer-Encoding: binary\r\n\r\nfiledata2\r\n--BbC04y--\r\n--AaB03x--" #define FORM_NESTED_START (FORM_END + 5) "field1", NULL, NULL, NULL, "Jane Blow", "pics", "file1.txt", "text/plain", NULL, "filedata1", "pics", "file2.gif", "image/gif", "binary", "filedata2", #define FORM_NESTED_END (FORM_NESTED_START + 15) NULL, NULL, NULL, NULL, NULL, #define URL_EMPTY_VALUE_DATA "key1=value1&key2=&key3=" #define URL_EMPTY_VALUE_START (FORM_NESTED_END + 5) "key1", NULL, NULL, NULL, "value1", "key2", NULL, NULL, NULL, "", "key3", NULL, NULL, NULL, "", #define URL_EMPTY_VALUE_END (URL_EMPTY_VALUE_START + 15) NULL, NULL, NULL, NULL, NULL }; static int mismatch (const char *a, const char *b) { if (a == b) return 0; if ((a == NULL) || (b == NULL)) return 1; return 0 != strcmp (a, b); } static int value_checker (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { int *want_off = cls; int idx = *want_off; #if 0 fprintf (stderr, "VC: `%s' `%s' `%s' `%s' `%.*s'\n", key, filename, content_type, transfer_encoding, (int) size, data); #endif if ( (0 != off) && (0 == size) ) return MHD_YES; if ((idx < 0) || (want[idx] == NULL) || (0 != strcmp (key, want[idx])) || (mismatch (filename, want[idx + 1])) || (mismatch (content_type, want[idx + 2])) || (mismatch (transfer_encoding, want[idx + 3])) || (0 != memcmp (data, &want[idx + 4][off], size))) { *want_off = -1; return MHD_NO; } if (off + size == strlen (want[idx + 4])) *want_off = idx + 5; return MHD_YES; } static int test_urlencoding () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off = URL_START; int i; int delta; size_t size; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); i = 0; size = strlen (URL_DATA); while (i < size) { delta = 1 + RANDOM () % (size - i); MHD_post_process (pp, &URL_DATA[i], delta); i += delta; } MHD_destroy_post_processor (pp); if (want_off != URL_END) return 1; return 0; } static int test_multipart_garbage () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off; size_t size = strlen (FORM_DATA); size_t splitpoint; char xdata[size + 3]; /* fill in evil garbage at the beginning */ xdata[0] = '-'; xdata[1] = 'x'; xdata[2] = '\r'; memcpy (&xdata[3], FORM_DATA, size); size += 3; size = strlen (FORM_DATA); for (splitpoint = 1; splitpoint < size; splitpoint++) { want_off = FORM_START; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x"; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); MHD_post_process (pp, xdata, splitpoint); MHD_post_process (pp, &xdata[splitpoint], size - splitpoint); MHD_destroy_post_processor (pp); if (want_off != FORM_END) return (int) splitpoint; } return 0; } static int test_multipart_splits () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off; size_t size; size_t splitpoint; size = strlen (FORM_DATA); for (splitpoint = 1; splitpoint < size; splitpoint++) { want_off = FORM_START; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x"; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); MHD_post_process (pp, FORM_DATA, splitpoint); MHD_post_process (pp, &FORM_DATA[splitpoint], size - splitpoint); MHD_destroy_post_processor (pp); if (want_off != FORM_END) return (int) splitpoint; } return 0; } static int test_multipart () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off = FORM_START; int i; int delta; size_t size; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x"; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); i = 0; size = strlen (FORM_DATA); while (i < size) { delta = 1 + RANDOM () % (size - i); MHD_post_process (pp, &FORM_DATA[i], delta); i += delta; } MHD_destroy_post_processor (pp); if (want_off != FORM_END) return 2; return 0; } static int test_nested_multipart () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off = FORM_NESTED_START; int i; int delta; size_t size; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x"; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); i = 0; size = strlen (FORM_NESTED_DATA); while (i < size) { delta = 1 + RANDOM () % (size - i); MHD_post_process (pp, &FORM_NESTED_DATA[i], delta); i += delta; } MHD_destroy_post_processor (pp); if (want_off != FORM_NESTED_END) return 4; return 0; } static int test_empty_value () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; unsigned int want_off = URL_EMPTY_VALUE_START; int i; int delta; size_t size; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &want_off); i = 0; size = strlen (URL_EMPTY_VALUE_DATA); while (i < size) { delta = 1 + RANDOM () % (size - i); MHD_post_process (pp, &URL_EMPTY_VALUE_DATA[i], delta); i += delta; } MHD_destroy_post_processor (pp); if (want_off != URL_EMPTY_VALUE_END) return 8; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; errorCount += test_multipart_splits (); errorCount += test_multipart_garbage (); errorCount += test_urlencoding (); errorCount += test_multipart (); errorCount += test_nested_multipart (); errorCount += test_empty_value (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/microhttpd/memorypool.c0000644000175000017500000001471412245612530016714 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2010 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file memorypool.c * @brief memory pool * @author Christian Grothoff */ #include "memorypool.h" /* define MAP_ANONYMOUS for Mac OS X */ #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS) #define MAP_ANONYMOUS MAP_ANON #endif #ifndef MAP_FAILED #define MAP_FAILED ((void*)-1) #endif /** * Align to 2x word size (as GNU libc does). */ #define ALIGN_SIZE (2 * sizeof(void*)) /** * Round up 'n' to a multiple of ALIGN_SIZE. */ #define ROUND_TO_ALIGN(n) ((n+(ALIGN_SIZE-1)) & (~(ALIGN_SIZE-1))) /** * Handle for a memory pool. Pools are not reentrant and must not be * used by multiple threads. */ struct MemoryPool { /** * Pointer to the pool's memory */ char *memory; /** * Size of the pool. */ size_t size; /** * Offset of the first unallocated byte. */ size_t pos; /** * Offset of the last unallocated byte. */ size_t end; /** * #MHD_NO if pool was malloc'ed, #MHD_YES if mmapped. */ int is_mmap; }; /** * Create a memory pool. * * @param max maximum size of the pool * @return NULL on error */ struct MemoryPool * MHD_pool_create (size_t max) { struct MemoryPool *pool; pool = malloc (sizeof (struct MemoryPool)); if (NULL == pool) return NULL; #ifdef MAP_ANONYMOUS if (max <= 32 * 1024) pool->memory = MAP_FAILED; else pool->memory = MMAP (NULL, max, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); #else pool->memory = MAP_FAILED; #endif if ((pool->memory == MAP_FAILED) || (pool->memory == NULL)) { pool->memory = malloc (max); if (pool->memory == NULL) { free (pool); return NULL; } pool->is_mmap = MHD_NO; } else { pool->is_mmap = MHD_YES; } pool->pos = 0; pool->end = max; pool->size = max; return pool; } /** * Destroy a memory pool. * * @param pool memory pool to destroy */ void MHD_pool_destroy (struct MemoryPool *pool) { if (pool == NULL) return; if (pool->is_mmap == MHD_NO) free (pool->memory); else MUNMAP (pool->memory, pool->size); free (pool); } /** * Allocate size bytes from the pool. * * @param pool memory pool to use for the operation * @param size number of bytes to allocate * @param from_end allocate from end of pool (set to #MHD_YES); * use this for small, persistent allocations that * will never be reallocated * @return NULL if the pool cannot support size more * bytes */ void * MHD_pool_allocate (struct MemoryPool *pool, size_t size, int from_end) { void *ret; size_t asize; asize = ROUND_TO_ALIGN (size); if ( (0 == asize) && (0 != size) ) return NULL; /* size too close to SIZE_MAX */ if ((pool->pos + asize > pool->end) || (pool->pos + asize < pool->pos)) return NULL; if (from_end == MHD_YES) { ret = &pool->memory[pool->end - asize]; pool->end -= asize; } else { ret = &pool->memory[pool->pos]; pool->pos += asize; } return ret; } /** * Reallocate a block of memory obtained from the pool. * This is particularly efficient when growing or * shrinking the block that was last (re)allocated. * If the given block is not the most recenlty * (re)allocated block, the memory of the previous * allocation may be leaked until the pool is * destroyed (and copying the data maybe required). * * @param pool memory pool to use for the operation * @param old the existing block * @param old_size the size of the existing block * @param new_size the new size of the block * @return new address of the block, or * NULL if the pool cannot support @a new_size * bytes (old continues to be valid for @a old_size) */ void * MHD_pool_reallocate (struct MemoryPool *pool, void *old, size_t old_size, size_t new_size) { void *ret; size_t asize; asize = ROUND_TO_ALIGN (new_size); if ( (0 == asize) && (0 != new_size) ) return NULL; /* new_size too close to SIZE_MAX */ if ((pool->end < old_size) || (pool->end < asize)) return NULL; /* unsatisfiable or bogus request */ if ((pool->pos >= old_size) && (&pool->memory[pool->pos - old_size] == old)) { /* was the previous allocation - optimize! */ if (pool->pos + asize - old_size <= pool->end) { /* fits */ pool->pos += asize - old_size; if (asize < old_size) /* shrinking - zero again! */ memset (&pool->memory[pool->pos], 0, old_size - asize); return old; } /* does not fit */ return NULL; } if (asize <= old_size) return old; /* cannot shrink, no need to move */ if ((pool->pos + asize >= pool->pos) && (pool->pos + asize <= pool->end)) { /* fits */ ret = &pool->memory[pool->pos]; memcpy (ret, old, old_size); pool->pos += asize; return ret; } /* does not fit */ return NULL; } /** * Clear all entries from the memory pool except * for @a keep of the given @a size. * * @param pool memory pool to use for the operation * @param keep pointer to the entry to keep (maybe NULL) * @param size how many bytes need to be kept at this address * @return addr new address of @a keep (if it had to change) */ void * MHD_pool_reset (struct MemoryPool *pool, void *keep, size_t size) { size = ROUND_TO_ALIGN (size); if (NULL != keep) { if (keep != pool->memory) { memmove (pool->memory, keep, size); keep = pool->memory; } pool->pos = size; } pool->end = pool->size; memset (&pool->memory[size], 0, pool->size - size); return keep; } /* end of memorypool.c */ libmicrohttpd-0.9.33/src/microhttpd/connection.h0000644000175000017500000000630012172463666016663 00000000000000/* This file is part of libmicrohttpd (C) 2007 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file connection.h * @brief Methods for managing connections * @author Daniel Pittman * @author Christian Grothoff */ #ifndef CONNECTION_H #define CONNECTION_H #include "internal.h" /** * Set callbacks for this connection to those for HTTP. * * @param connection connection to initialize */ void MHD_set_http_callbacks_ (struct MHD_Connection *connection); /** * This function handles a particular connection when it has been * determined that there is data to be read off a socket. All * implementations (multithreaded, external select, internal select) * call this function to handle reads. * * @param connection connection to handle * @return always MHD_YES (we should continue to process the * connection) */ int MHD_connection_handle_read (struct MHD_Connection *connection); /** * This function was created to handle writes to sockets when it has * been determined that the socket can be written to. All * implementations (multithreaded, external select, internal select) * call this function * * @param connection connection to handle * @return always MHD_YES (we should continue to process the * connection) */ int MHD_connection_handle_write (struct MHD_Connection *connection); /** * This function was created to handle per-connection processing that * has to happen even if the socket cannot be read or written to. All * implementations (multithreaded, external select, internal select) * call this function. * * @param connection connection to handle * @return MHD_YES if we should continue to process the * connection (not dead yet), MHD_NO if it died */ int MHD_connection_handle_idle (struct MHD_Connection *connection); /** * Close the given connection and give the * specified termination code to the user. * * @param connection connection to close * @param termination_code termination reason to give */ void MHD_connection_close (struct MHD_Connection *connection, enum MHD_RequestTerminationCode termination_code); #if EPOLL_SUPPORT /** * Perform epoll processing, possibly moving the connection back into * the epoll set if needed. * * @param connection connection to process * @return MHD_YES if we should continue to process the * connection (not dead yet), MHD_NO if it died */ int MHD_connection_epoll_update_ (struct MHD_Connection *connection); #endif #endif libmicrohttpd-0.9.33/src/microhttpd/test_daemon.c0000644000175000017500000000730012161414221016777 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_daemon.c * @brief Testcase for libmicrohttpd starts and stops * @author Christian Grothoff */ #include "platform.h" #include "platform.h" #include "microhttpd.h" #include #include #include #ifndef WINDOWS #include #endif static int testStartError () { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_DEBUG, 0, NULL, NULL, NULL, NULL); if (d != NULL) return 1; return 0; } static int apc_nothing (void *cls, const struct sockaddr *addr, socklen_t addrlen) { return MHD_NO; } static int apc_all (void *cls, const struct sockaddr *addr, socklen_t addrlen) { return MHD_YES; } static int ahc_nothing (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { return MHD_NO; } static int testStartStop () { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, &apc_nothing, NULL, &ahc_nothing, NULL, MHD_OPTION_END); if (d == NULL) return 2; MHD_stop_daemon (d); return 0; } static int testExternalRun () { struct MHD_Daemon *d; fd_set rs; int maxfd; int i; d = MHD_start_daemon (MHD_USE_DEBUG, 1081, &apc_all, NULL, &ahc_nothing, NULL, MHD_OPTION_END); if (d == NULL) return 4; i = 0; while (i < 15) { maxfd = 0; FD_ZERO (&rs); if (MHD_YES != MHD_get_fdset (d, &rs, &rs, &rs, &maxfd)) { MHD_stop_daemon (d); return 256; } if (MHD_run (d) == MHD_NO) { MHD_stop_daemon (d); return 8; } i++; } MHD_stop_daemon (d); return 0; } static int testThread () { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SELECT_INTERNALLY, 1082, &apc_all, NULL, &ahc_nothing, NULL, MHD_OPTION_END); if (d == NULL) return 16; if (MHD_run (d) != MHD_NO) return 32; MHD_stop_daemon (d); return 0; } static int testMultithread () { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_THREAD_PER_CONNECTION, 1083, &apc_all, NULL, &ahc_nothing, NULL, MHD_OPTION_END); if (d == NULL) return 64; if (MHD_run (d) != MHD_NO) return 128; MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { int errorCount = 0; errorCount += testStartError (); errorCount += testStartStop (); errorCount += testExternalRun (); errorCount += testThread (); errorCount += testMultithread (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/microhttpd/md5.h0000644000175000017500000000243312161414221015171 00000000000000/* * This code implements the MD5 message-digest algorithm. * The algorithm is due to Ron Rivest. This code was * written by Colin Plumb in 1993, no copyright is claimed. * This code is in the public domain; do with it what you wish. * * Equivalent code is available from RSA Data Security, Inc. * This code has been tested against that, and is equivalent, * except that you don't need to include two pages of legalese * with every copy. * * To compute the message digest of a chunk of bytes, declare an * MD5Context structure, pass it to MD5Init, call MD5Update as * needed on buffers full of bytes, and then call MD5Final, which * will fill a supplied 16-byte array with the digest. */ /* Brutally hacked by John Walker back from ANSI C to K&R (no prototypes) to maintain the tradition that Netfone will compile with Sun's original "cc". */ #ifndef MD5_H #define MD5_H #include "platform.h" #ifdef WORDS_BIGENDIAN #define HIGHFIRST #endif #define MD5_DIGEST_SIZE 16 struct MD5Context { uint32_t buf[4]; uint32_t bits[2]; unsigned char in[64]; }; void MD5Init(struct MD5Context *ctx); void MD5Update(struct MD5Context *ctx, const void *buf, unsigned len); void MD5Final(unsigned char digest[MD5_DIGEST_SIZE], struct MD5Context *ctx); #endif /* !MD5_H */ libmicrohttpd-0.9.33/src/microhttpd/base64.h0000644000175000017500000000052212161414221015565 00000000000000/* * This code implements the BASE64 algorithm. * This code is in the public domain; do with it what you wish. * * @file base64.c * @brief This code implements the BASE64 algorithm * @author Matthieu Speder */ #ifndef BASE64_H #define BASE64_H #include "platform.h" char * BASE64Decode(const char* src); #endif /* !BASE64_H */ libmicrohttpd-0.9.33/src/microhttpd/response.h0000644000175000017500000000223612161414221016343 00000000000000/* This file is part of libmicrohttpd (C) 2007 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file response.h * @brief Methods for managing response objects * @author Daniel Pittman * @author Christian Grothoff */ #ifndef RESPONSE_H #define RESPONSE_H /** * Increment response RC. Should this be part of the * public API? */ void MHD_increment_response_rc (struct MHD_Response *response); #endif libmicrohttpd-0.9.33/src/microhttpd/tsearch.c0000644000175000017500000000600112161414221016123 00000000000000/* $NetBSD: tsearch.c,v 1.3 1999/09/16 11:45:37 lukem Exp $ */ /* * Tree search generalized from Knuth (6.2.2) Algorithm T just like * the AT&T man page says. * * The node_t structure is for internal use only, lint doesn't grok it. * * Written by reading the System V Interface Definition, not the code. * * Totally public domain. */ #include #define _SEARCH_PRIVATE #include #include /* find or insert datum into search tree */ void * tsearch(vkey, vrootp, compar) const void *vkey; /* key to be located */ void **vrootp; /* address of tree root */ int (*compar)(const void *, const void *); { node_t *q; node_t **rootp = (node_t **)vrootp; if (rootp == NULL) return NULL; while (*rootp != NULL) { /* Knuth's T1: */ int r; if ((r = (*compar)(vkey, (*rootp)->key)) == 0) /* T2: */ return *rootp; /* we found it! */ rootp = (r < 0) ? &(*rootp)->llink : /* T3: follow left branch */ &(*rootp)->rlink; /* T4: follow right branch */ } q = malloc(sizeof(node_t)); /* T5: key not found */ if (q != 0) { /* make new node */ *rootp = q; /* link new node to old */ /* LINTED const castaway ok */ q->key = (void *)vkey; /* initialize new node */ q->llink = q->rlink = NULL; } return q; } /* find a node, or return 0 */ void * tfind(vkey, vrootp, compar) const void *vkey; /* key to be found */ void * const *vrootp; /* address of the tree root */ int (*compar)(const void *, const void *); { node_t **rootp = (node_t **)vrootp; if (rootp == NULL) return NULL; while (*rootp != NULL) { /* T1: */ int r; if ((r = (*compar)(vkey, (*rootp)->key)) == 0) /* T2: */ return *rootp; /* key found */ rootp = (r < 0) ? &(*rootp)->llink : /* T3: follow left branch */ &(*rootp)->rlink; /* T4: follow right branch */ } return NULL; } /* * delete node with given key * * vkey: key to be deleted * vrootp: address of the root of the tree * compar: function to carry out node comparisons */ void * tdelete(const void * __restrict vkey, void ** __restrict vrootp, int (*compar)(const void *, const void *)) { node_t **rootp = (node_t **)vrootp; node_t *p, *q, *r; int cmp; if (rootp == NULL || (p = *rootp) == NULL) return NULL; while ((cmp = (*compar)(vkey, (*rootp)->key)) != 0) { p = *rootp; rootp = (cmp < 0) ? &(*rootp)->llink : /* follow llink branch */ &(*rootp)->rlink; /* follow rlink branch */ if (*rootp == NULL) return NULL; /* key not found */ } r = (*rootp)->rlink; /* D1: */ if ((q = (*rootp)->llink) == NULL) /* Left NULL? */ q = r; else if (r != NULL) { /* Right link is NULL? */ if (r->llink == NULL) { /* D2: Find successor */ r->llink = q; q = r; } else { /* D3: Find NULL link */ for (q = r->llink; q->llink != NULL; q = r->llink) r = q; r->llink = q->rlink; q->llink = (*rootp)->llink; q->rlink = (*rootp)->rlink; } } free(*rootp); /* D4: Free node */ *rootp = q; /* link parent 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\ uninstall-am uninstall-libLTLIBRARIES # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: libmicrohttpd-0.9.33/src/microhttpd/daemon.c0000644000175000017500000034360512255340712015762 00000000000000/* This file is part of libmicrohttpd (C) 2007-2013 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file microhttpd/daemon.c * @brief A minimal-HTTP server library * @author Daniel Pittman * @author Christian Grothoff */ #include "platform.h" #include "internal.h" #include "response.h" #include "connection.h" #include "memorypool.h" #include #if HAVE_SEARCH_H #include #else #include "tsearch.h" #endif #if HTTPS_SUPPORT #include "connection_https.h" #include #endif #ifdef HAVE_POLL_H #include #endif #ifdef LINUX #include #endif #ifndef HAVE_ACCEPT4 #define HAVE_ACCEPT4 0 #endif /** * Default connection limit. */ #ifndef WINDOWS #define MHD_MAX_CONNECTIONS_DEFAULT FD_SETSIZE - 4 #else #define MHD_MAX_CONNECTIONS_DEFAULT FD_SETSIZE #endif /** * Default memory allowed per connection. */ #define MHD_POOL_SIZE_DEFAULT (32 * 1024) /** * Print extra messages with reasons for closing * sockets? (only adds non-error messages). */ #define DEBUG_CLOSE MHD_NO /** * Print extra messages when establishing * connections? (only adds non-error messages). */ #define DEBUG_CONNECT MHD_NO #ifndef LINUX #ifndef MSG_NOSIGNAL #define MSG_NOSIGNAL 0 #endif #endif #ifndef SOCK_CLOEXEC #define SOCK_CLOEXEC 0 #endif #ifndef EPOLL_CLOEXEC #define EPOLL_CLOEXEC 0 #endif /** * Default implementation of the panic function, * prints an error message and aborts. * * @param cls unused * @param file name of the file with the problem * @param line line number with the problem * @param reason error message with details */ static void mhd_panic_std (void *cls, const char *file, unsigned int line, const char *reason) { #if HAVE_MESSAGES fprintf (stderr, "Fatal error in GNU libmicrohttpd %s:%u: %s\n", file, line, reason); #endif abort (); } /** * Handler for fatal errors. */ MHD_PanicCallback mhd_panic; /** * Closure argument for "mhd_panic". */ void *mhd_panic_cls; /** * Trace up to and return master daemon. If the supplied daemon * is a master, then return the daemon itself. * * @param daemon handle to a daemon * @return master daemon handle */ static struct MHD_Daemon* MHD_get_master (struct MHD_Daemon *daemon) { while (NULL != daemon->master) daemon = daemon->master; return daemon; } /** * Maintain connection count for single address. */ struct MHD_IPCount { /** * Address family. AF_INET or AF_INET6 for now. */ int family; /** * Actual address. */ union { /** * IPv4 address. */ struct in_addr ipv4; #if HAVE_IPV6 /** * IPv6 address. */ struct in6_addr ipv6; #endif } addr; /** * Counter. */ unsigned int count; }; /** * Lock shared structure for IP connection counts and connection DLLs. * * @param daemon handle to daemon where lock is */ static void MHD_ip_count_lock (struct MHD_Daemon *daemon) { if (0 != pthread_mutex_lock(&daemon->per_ip_connection_mutex)) { MHD_PANIC ("Failed to acquire IP connection limit mutex\n"); } } /** * Unlock shared structure for IP connection counts and connection DLLs. * * @param daemon handle to daemon where lock is */ static void MHD_ip_count_unlock (struct MHD_Daemon *daemon) { if (0 != pthread_mutex_unlock(&daemon->per_ip_connection_mutex)) { MHD_PANIC ("Failed to release IP connection limit mutex\n"); } } /** * Tree comparison function for IP addresses (supplied to tsearch() family). * We compare everything in the struct up through the beginning of the * 'count' field. * * @param a1 first address to compare * @param a2 second address to compare * @return -1, 0 or 1 depending on result of compare */ static int MHD_ip_addr_compare (const void *a1, const void *a2) { return memcmp (a1, a2, offsetof (struct MHD_IPCount, count)); } /** * Parse address and initialize 'key' using the address. * * @param addr address to parse * @param addrlen number of bytes in addr * @param key where to store the parsed address * @return #MHD_YES on success and #MHD_NO otherwise (e.g., invalid address type) */ static int MHD_ip_addr_to_key (const struct sockaddr *addr, socklen_t addrlen, struct MHD_IPCount *key) { memset(key, 0, sizeof(*key)); /* IPv4 addresses */ if (sizeof (struct sockaddr_in) == addrlen) { const struct sockaddr_in *addr4 = (const struct sockaddr_in*) addr; key->family = AF_INET; memcpy (&key->addr.ipv4, &addr4->sin_addr, sizeof(addr4->sin_addr)); return MHD_YES; } #if HAVE_IPV6 /* IPv6 addresses */ if (sizeof (struct sockaddr_in6) == addrlen) { const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*) addr; key->family = AF_INET6; memcpy (&key->addr.ipv6, &addr6->sin6_addr, sizeof(addr6->sin6_addr)); return MHD_YES; } #endif /* Some other address */ return MHD_NO; } /** * Check if IP address is over its limit. * * @param daemon handle to daemon where connection counts are tracked * @param addr address to add (or increment counter) * @param addrlen number of bytes in addr * @return Return #MHD_YES if IP below limit, #MHD_NO if IP has surpassed limit. * Also returns #MHD_NO if fails to allocate memory. */ static int MHD_ip_limit_add (struct MHD_Daemon *daemon, const struct sockaddr *addr, socklen_t addrlen) { struct MHD_IPCount *key; void **nodep; void *node; int result; daemon = MHD_get_master (daemon); /* Ignore if no connection limit assigned */ if (0 == daemon->per_ip_connection_limit) return MHD_YES; if (NULL == (key = malloc (sizeof(*key)))) return MHD_NO; /* Initialize key */ if (MHD_NO == MHD_ip_addr_to_key (addr, addrlen, key)) { /* Allow unhandled address types through */ free (key); return MHD_YES; } MHD_ip_count_lock (daemon); /* Search for the IP address */ if (NULL == (nodep = TSEARCH (key, &daemon->per_ip_connection_count, &MHD_ip_addr_compare))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to add IP connection count node\n"); #endif MHD_ip_count_unlock (daemon); free (key); return MHD_NO; } node = *nodep; /* If we got an existing node back, free the one we created */ if (node != key) free(key); key = (struct MHD_IPCount *) node; /* Test if there is room for another connection; if so, * increment count */ result = (key->count < daemon->per_ip_connection_limit); if (MHD_YES == result) ++key->count; MHD_ip_count_unlock (daemon); return result; } /** * Decrement connection count for IP address, removing from table * count reaches 0. * * @param daemon handle to daemon where connection counts are tracked * @param addr address to remove (or decrement counter) * @param addrlen number of bytes in @a addr */ static void MHD_ip_limit_del (struct MHD_Daemon *daemon, const struct sockaddr *addr, socklen_t addrlen) { struct MHD_IPCount search_key; struct MHD_IPCount *found_key; void **nodep; daemon = MHD_get_master (daemon); /* Ignore if no connection limit assigned */ if (0 == daemon->per_ip_connection_limit) return; /* Initialize search key */ if (MHD_NO == MHD_ip_addr_to_key (addr, addrlen, &search_key)) return; MHD_ip_count_lock (daemon); /* Search for the IP address */ if (NULL == (nodep = TFIND (&search_key, &daemon->per_ip_connection_count, &MHD_ip_addr_compare))) { /* Something's wrong if we couldn't find an IP address * that was previously added */ MHD_PANIC ("Failed to find previously-added IP address\n"); } found_key = (struct MHD_IPCount *) *nodep; /* Validate existing count for IP address */ if (0 == found_key->count) { MHD_PANIC ("Previously-added IP address had 0 count\n"); } /* Remove the node entirely if count reduces to 0 */ if (0 == --found_key->count) { TDELETE (found_key, &daemon->per_ip_connection_count, &MHD_ip_addr_compare); free (found_key); } MHD_ip_count_unlock (daemon); } #if HTTPS_SUPPORT /** * Callback for receiving data from the socket. * * @param connection the MHD_Connection structure * @param other where to write received data to * @param i maximum size of other (in bytes) * @return number of bytes actually received */ static ssize_t recv_tls_adapter (struct MHD_Connection *connection, void *other, size_t i) { int res; if (MHD_YES == connection->tls_read_ready) { connection->daemon->num_tls_read_ready--; connection->tls_read_ready = MHD_NO; } res = gnutls_record_recv (connection->tls_session, other, i); if ( (GNUTLS_E_AGAIN == res) || (GNUTLS_E_INTERRUPTED == res) ) { errno = EINTR; #if EPOLL_SUPPORT connection->epoll_state &= ~MHD_EPOLL_STATE_READ_READY; #endif return -1; } if (res < 0) { /* Likely 'GNUTLS_E_INVALID_SESSION' (client communication disrupted); set errno to something caller will interpret correctly as a hard error */ errno = EPIPE; return res; } if (res == i) { connection->tls_read_ready = MHD_YES; connection->daemon->num_tls_read_ready++; } return res; } /** * Callback for writing data to the socket. * * @param connection the MHD connection structure * @param other data to write * @param i number of bytes to write * @return actual number of bytes written */ static ssize_t send_tls_adapter (struct MHD_Connection *connection, const void *other, size_t i) { int res; res = gnutls_record_send (connection->tls_session, other, i); if ( (GNUTLS_E_AGAIN == res) || (GNUTLS_E_INTERRUPTED == res) ) { errno = EINTR; #if EPOLL_SUPPORT connection->epoll_state &= ~MHD_EPOLL_STATE_WRITE_READY; #endif return -1; } return res; } /** * Read and setup our certificate and key. * * @param daemon handle to daemon to initialize * @return 0 on success */ static int MHD_init_daemon_certificate (struct MHD_Daemon *daemon) { gnutls_datum_t key; gnutls_datum_t cert; #if GNUTLS_VERSION_MAJOR >= 3 if (NULL != daemon->cert_callback) { gnutls_certificate_set_retrieve_function2 (daemon->x509_cred, daemon->cert_callback); } #endif if (NULL != daemon->https_mem_trust) { cert.data = (unsigned char *) daemon->https_mem_trust; cert.size = strlen (daemon->https_mem_trust); if (gnutls_certificate_set_x509_trust_mem (daemon->x509_cred, &cert, GNUTLS_X509_FMT_PEM) < 0) { #if HAVE_MESSAGES MHD_DLOG(daemon, "Bad trust certificate format\n"); #endif return -1; } } /* certificate & key loaded from memory */ if ( (NULL != daemon->https_mem_cert) && (NULL != daemon->https_mem_key) ) { key.data = (unsigned char *) daemon->https_mem_key; key.size = strlen (daemon->https_mem_key); cert.data = (unsigned char *) daemon->https_mem_cert; cert.size = strlen (daemon->https_mem_cert); return gnutls_certificate_set_x509_key_mem (daemon->x509_cred, &cert, &key, GNUTLS_X509_FMT_PEM); } #if GNUTLS_VERSION_MAJOR >= 3 if (NULL != daemon->cert_callback) return 0; #endif #if HAVE_MESSAGES MHD_DLOG (daemon, "You need to specify a certificate and key location\n"); #endif return -1; } /** * Initialize security aspects of the HTTPS daemon * * @param daemon handle to daemon to initialize * @return 0 on success */ static int MHD_TLS_init (struct MHD_Daemon *daemon) { switch (daemon->cred_type) { case GNUTLS_CRD_CERTIFICATE: if (0 != gnutls_certificate_allocate_credentials (&daemon->x509_cred)) return GNUTLS_E_MEMORY_ERROR; return MHD_init_daemon_certificate (daemon); default: #if HAVE_MESSAGES MHD_DLOG (daemon, "Error: invalid credentials type %d specified.\n", daemon->cred_type); #endif return -1; } } #endif /** * Add @a fd to the @a set. If @a fd is * greater than @a max_fd, set @a max_fd to @a fd. * * @param fd file descriptor to add to the @a set * @param set set to modify * @param max_fd maximum value to potentially update */ static void add_to_fd_set (int fd, fd_set *set, int *max_fd) { FD_SET (fd, set); if ( (NULL != max_fd) && (fd > *max_fd) ) *max_fd = fd; } /** * Obtain the `select()` sets for this daemon. * * @param daemon daemon to get sets from * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set * @param max_fd increased to largest FD added (if larger * than existing value); can be NULL * @return #MHD_YES on success, #MHD_NO if this * daemon was not started with the right * options for this call. * @ingroup event */ int MHD_get_fdset (struct MHD_Daemon *daemon, fd_set *read_fd_set, fd_set *write_fd_set, fd_set *except_fd_set, int *max_fd) { struct MHD_Connection *pos; int fd; if ( (NULL == daemon) || (NULL == read_fd_set) || (NULL == write_fd_set) || (NULL == except_fd_set) || (NULL == max_fd) || (MHD_YES == daemon->shutdown) || (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) || (0 != (daemon->options & MHD_USE_POLL))) return MHD_NO; #if EPOLL_SUPPORT if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { /* we're in epoll mode, use the epoll FD as a stand-in for the entire event set */ if (daemon->epoll_fd >= FD_SETSIZE) return MHD_NO; /* poll fd too big, fail hard */ FD_SET (daemon->epoll_fd, read_fd_set); if ((*max_fd) < daemon->epoll_fd) *max_fd = daemon->epoll_fd; return MHD_YES; } #endif fd = daemon->socket_fd; if (-1 != fd) { FD_SET (fd, read_fd_set); /* update max file descriptor */ if ((*max_fd) < fd) *max_fd = fd; } for (pos = daemon->connections_head; NULL != pos; pos = pos->next) { switch (pos->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: add_to_fd_set (pos->socket_fd, read_fd_set, max_fd); break; case MHD_EVENT_LOOP_INFO_WRITE: add_to_fd_set (pos->socket_fd, write_fd_set, max_fd); if (pos->read_buffer_size > pos->read_buffer_offset) add_to_fd_set (pos->socket_fd, read_fd_set, max_fd); break; case MHD_EVENT_LOOP_INFO_BLOCK: if (pos->read_buffer_size > pos->read_buffer_offset) add_to_fd_set (pos->socket_fd, read_fd_set, max_fd); break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* this should never happen */ break; } } #if DEBUG_CONNECT #if HAVE_MESSAGES MHD_DLOG (daemon, "Maximum socket in select set: %d\n", *max_fd); #endif #endif return MHD_YES; } /** * Main function of the thread that handles an individual * connection when #MHD_USE_THREAD_PER_CONNECTION is set. * * @param data the 'struct MHD_Connection' this thread will handle * @return always NULL */ static void * MHD_handle_connection (void *data) { struct MHD_Connection *con = data; int num_ready; fd_set rs; fd_set ws; int max; struct timeval tv; struct timeval *tvp; unsigned int timeout; time_t now; #ifdef HAVE_POLL_H struct pollfd p[1]; #endif timeout = con->daemon->connection_timeout; while ( (MHD_YES != con->daemon->shutdown) && (MHD_CONNECTION_CLOSED != con->state) ) { tvp = NULL; if (timeout > 0) { now = MHD_monotonic_time(); if (now - con->last_activity > timeout) tv.tv_sec = 0; else tv.tv_sec = timeout - (now - con->last_activity); tv.tv_usec = 0; tvp = &tv; } #if HTTPS_SUPPORT if (MHD_YES == con->tls_read_ready) { /* do not block (more data may be inside of TLS buffers waiting for us) */ tv.tv_sec = 0; tv.tv_usec = 0; tvp = &tv; } #endif if (0 == (con->daemon->options & MHD_USE_POLL)) { /* use select */ FD_ZERO (&rs); FD_ZERO (&ws); max = 0; switch (con->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: add_to_fd_set (con->socket_fd, &rs, &max); break; case MHD_EVENT_LOOP_INFO_WRITE: add_to_fd_set (con->socket_fd, &ws, &max); if (con->read_buffer_size > con->read_buffer_offset) add_to_fd_set (con->socket_fd, &rs, &max); break; case MHD_EVENT_LOOP_INFO_BLOCK: if (con->read_buffer_size > con->read_buffer_offset) add_to_fd_set (con->socket_fd, &rs, &max); tv.tv_sec = 0; tv.tv_usec = 0; tvp = &tv; break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* how did we get here!? */ goto exit; } num_ready = SELECT (max + 1, &rs, &ws, NULL, tvp); if (num_ready < 0) { if (EINTR == errno) continue; #if HAVE_MESSAGES MHD_DLOG (con->daemon, "Error during select (%d): `%s'\n", max, STRERROR (errno)); #endif break; } /* call appropriate connection handler if necessary */ if ( (FD_ISSET (con->socket_fd, &rs)) #if HTTPS_SUPPORT || (MHD_YES == con->tls_read_ready) #endif ) con->read_handler (con); if (FD_ISSET (con->socket_fd, &ws)) con->write_handler (con); if (MHD_NO == con->idle_handler (con)) goto exit; } #ifdef HAVE_POLL_H else { /* use poll */ memset (&p, 0, sizeof (p)); p[0].fd = con->socket_fd; switch (con->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: p[0].events |= POLLIN; break; case MHD_EVENT_LOOP_INFO_WRITE: p[0].events |= POLLOUT; if (con->read_buffer_size > con->read_buffer_offset) p[0].events |= POLLIN; break; case MHD_EVENT_LOOP_INFO_BLOCK: if (con->read_buffer_size > con->read_buffer_offset) p[0].events |= POLLIN; tv.tv_sec = 0; tv.tv_usec = 0; tvp = &tv; break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* how did we get here!? */ goto exit; } if (poll (p, 1, (NULL == tvp) ? -1 : tv.tv_sec * 1000) < 0) { if (EINTR == errno) continue; #if HAVE_MESSAGES MHD_DLOG (con->daemon, "Error during poll: `%s'\n", STRERROR (errno)); #endif break; } if ( (0 != (p[0].revents & POLLIN)) #if HTTPS_SUPPORT || (MHD_YES == con->tls_read_ready) #endif ) con->read_handler (con); if (0 != (p[0].revents & POLLOUT)) con->write_handler (con); if (0 != (p[0].revents & (POLLERR | POLLHUP))) MHD_connection_close (con, MHD_REQUEST_TERMINATED_WITH_ERROR); if (MHD_NO == con->idle_handler (con)) goto exit; } #endif } if (MHD_CONNECTION_IN_CLEANUP != con->state) { #if DEBUG_CLOSE #if HAVE_MESSAGES MHD_DLOG (con->daemon, "Processing thread terminating, closing connection\n"); #endif #endif if (MHD_CONNECTION_CLOSED != con->state) MHD_connection_close (con, MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN); con->idle_handler (con); } exit: if (NULL != con->response) { MHD_destroy_response (con->response); con->response = NULL; } return NULL; } /** * Callback for receiving data from the socket. * * @param connection the MHD connection structure * @param other where to write received data to * @param i maximum size of other (in bytes) * @return number of bytes actually received */ static ssize_t recv_param_adapter (struct MHD_Connection *connection, void *other, size_t i) { ssize_t ret; if ( (-1 == connection->socket_fd) || (MHD_CONNECTION_CLOSED == connection->state) ) { errno = ENOTCONN; return -1; } ret = RECV (connection->socket_fd, other, i, MSG_NOSIGNAL); #if EPOLL_SUPPORT if (ret < (ssize_t) i) { /* partial read --- no longer read-ready */ connection->epoll_state &= ~MHD_EPOLL_STATE_READ_READY; } #endif return ret; } /** * Callback for writing data to the socket. * * @param connection the MHD connection structure * @param other data to write * @param i number of bytes to write * @return actual number of bytes written */ static ssize_t send_param_adapter (struct MHD_Connection *connection, const void *other, size_t i) { ssize_t ret; #if LINUX int fd; off_t offset; off_t left; #endif if ( (-1 == connection->socket_fd) || (MHD_CONNECTION_CLOSED == connection->state) ) { errno = ENOTCONN; return -1; } if (0 != (connection->daemon->options & MHD_USE_SSL)) return SEND (connection->socket_fd, other, i, MSG_NOSIGNAL); #if LINUX if ( (connection->write_buffer_append_offset == connection->write_buffer_send_offset) && (NULL != connection->response) && (-1 != (fd = connection->response->fd)) ) { /* can use sendfile */ offset = (off_t) connection->response_write_position + connection->response->fd_off; left = connection->response->total_size - connection->response_write_position; if (left > SSIZE_MAX) left = SSIZE_MAX; /* cap at return value limit */ if (-1 != (ret = sendfile (connection->socket_fd, fd, &offset, (size_t) left))) { #if EPOLL_SUPPORT if (ret < left) { /* partial write --- no longer write-ready */ connection->epoll_state &= ~MHD_EPOLL_STATE_WRITE_READY; } #endif return ret; } if ( (EINTR == errno) || (EAGAIN == errno) ) return 0; if ( (EINVAL == errno) || (EBADF == errno) ) return -1; /* None of the 'usual' sendfile errors occurred, so we should try to fall back to 'SEND'; see also this thread for info on odd libc/Linux behavior with sendfile: http://lists.gnu.org/archive/html/libmicrohttpd/2011-02/msg00015.html */ } #endif ret = SEND (connection->socket_fd, other, i, MSG_NOSIGNAL); #if EPOLL_SUPPORT if (ret < (ssize_t) i) { /* partial write --- no longer write-ready */ connection->epoll_state &= ~MHD_EPOLL_STATE_WRITE_READY; } #endif return ret; } /** * Signature of main function for a thread. * * @param cls closure argument for the function * @return termination code from the thread */ typedef void *(*ThreadStartRoutine)(void *cls); /** * Create a thread and set the attributes according to our options. * * @param thread handle to initialize * @param daemon daemon with options * @param start_routine main function of thread * @param arg argument for start_routine * @return 0 on success */ static int create_thread (pthread_t *thread, const struct MHD_Daemon *daemon, ThreadStartRoutine start_routine, void *arg) { pthread_attr_t attr; pthread_attr_t *pattr; int ret; if (0 != daemon->thread_stack_size) { if (0 != (ret = pthread_attr_init (&attr))) goto ERR; if (0 != (ret = pthread_attr_setstacksize (&attr, daemon->thread_stack_size))) { pthread_attr_destroy (&attr); goto ERR; } pattr = &attr; } else { pattr = NULL; } ret = pthread_create (thread, pattr, start_routine, arg); #if (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12) #if LINUX (void) pthread_setname_np (*thread, "libmicrohttpd"); #endif #endif if (0 != daemon->thread_stack_size) pthread_attr_destroy (&attr); return ret; ERR: #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to set thread stack size\n"); #endif errno = EINVAL; return ret; } /** * Add another client connection to the set of connections * managed by MHD. This API is usually not needed (since * MHD will accept inbound connections on the server socket). * Use this API in special cases, for example if your HTTP * server is behind NAT and needs to connect out to the * HTTP client. * * The given client socket will be managed (and closed!) by MHD after * this call and must no longer be used directly by the application * afterwards. * * Per-IP connection limits are ignored when using this API. * * @param daemon daemon that manages the connection * @param client_socket socket to manage (MHD will expect * to receive an HTTP request from this socket next). * @param addr IP address of the client * @param addrlen number of bytes in @a addr * @param external_add perform additional operations needed due * to the application calling us directly * @return #MHD_YES on success, #MHD_NO if this daemon could * not handle the connection (i.e. malloc failed, etc). * The socket will be closed in any case; 'errno' is * set to indicate further details about the error. */ static int internal_add_connection (struct MHD_Daemon *daemon, int client_socket, const struct sockaddr *addr, socklen_t addrlen, int external_add) { struct MHD_Connection *connection; int res_thread_create; unsigned int i; int eno; #if OSX static int on = 1; #endif if (NULL != daemon->worker_pool) { /* have a pool, try to find a pool with capacity; we use the socket as the initial offset into the pool for load balancing */ for (i=0;iworker_pool_size;i++) if (0 < daemon->worker_pool[(i + client_socket) % daemon->worker_pool_size].max_connections) return internal_add_connection (&daemon->worker_pool[(i + client_socket) % daemon->worker_pool_size], client_socket, addr, addrlen, external_add); /* all pools are at their connection limit, must refuse */ if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); #if ENFILE errno = ENFILE; #endif return MHD_NO; } #ifndef WINDOWS if ( (client_socket >= FD_SETSIZE) && (0 == (daemon->options & (MHD_USE_POLL | MHD_USE_EPOLL_LINUX_ONLY))) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Socket descriptor larger than FD_SETSIZE: %d > %d\n", client_socket, FD_SETSIZE); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); #if EINVAL errno = EINVAL; #endif return MHD_NO; } #endif #if HAVE_MESSAGES #if DEBUG_CONNECT MHD_DLOG (daemon, "Accepted connection on socket %d\n", client_socket); #endif #endif if ( (0 == daemon->max_connections) || (MHD_NO == MHD_ip_limit_add (daemon, addr, addrlen)) ) { /* above connection limit - reject */ #if HAVE_MESSAGES MHD_DLOG (daemon, "Server reached connection limit (closing inbound connection)\n"); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); #if ENFILE errno = ENFILE; #endif return MHD_NO; } /* apply connection acceptance policy if present */ if ( (NULL != daemon->apc) && (MHD_NO == daemon->apc (daemon->apc_cls, addr, addrlen)) ) { #if DEBUG_CLOSE #if HAVE_MESSAGES MHD_DLOG (daemon, "Connection rejected, closing connection\n"); #endif #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); #if EACCESS errno = EACCESS; #endif return MHD_NO; } #if OSX #ifdef SOL_SOCKET #ifdef SO_NOSIGPIPE setsockopt (client_socket, SOL_SOCKET, SO_NOSIGPIPE, &on, sizeof (on)); #endif #endif #endif if (NULL == (connection = malloc (sizeof (struct MHD_Connection)))) { eno = errno; #if HAVE_MESSAGES MHD_DLOG (daemon, "Error allocating memory: %s\n", STRERROR (errno)); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); errno = eno; return MHD_NO; } memset (connection, 0, sizeof (struct MHD_Connection)); connection->pool = MHD_pool_create (daemon->pool_size); if (NULL == connection->pool) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Error allocating memory: %s\n", STRERROR (errno)); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); free (connection); #if ENOMEM errno = ENOMEM; #endif return MHD_NO; } connection->connection_timeout = daemon->connection_timeout; if (NULL == (connection->addr = malloc (addrlen))) { eno = errno; #if HAVE_MESSAGES MHD_DLOG (daemon, "Error allocating memory: %s\n", STRERROR (errno)); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); MHD_pool_destroy (connection->pool); free (connection); errno = eno; return MHD_NO; } memcpy (connection->addr, addr, addrlen); connection->addr_len = addrlen; connection->socket_fd = client_socket; connection->daemon = daemon; connection->last_activity = MHD_monotonic_time(); /* set default connection handlers */ MHD_set_http_callbacks_ (connection); connection->recv_cls = &recv_param_adapter; connection->send_cls = &send_param_adapter; if (0 == (connection->daemon->options & MHD_USE_EPOLL_TURBO)) { /* non-blocking sockets are required on most systems and for GNUtls; however, they somehow cause serious problems on CYGWIN (#1824); in turbo mode, we assume that non-blocking was already set by 'accept4' or whoever calls 'MHD_add_connection' */ #ifdef CYGWIN if (0 != (daemon->options & MHD_USE_SSL)) #endif { /* make socket non-blocking */ #ifndef MINGW int flags = fcntl (connection->socket_fd, F_GETFL); if ( (-1 == flags) || (0 != fcntl (connection->socket_fd, F_SETFL, flags | O_NONBLOCK)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to make socket %d non-blocking: %s\n", connection->socket_fd, STRERROR (errno)); #endif } #else unsigned long flags = 1; if (0 != ioctlsocket (connection->socket_fd, FIONBIO, &flags)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to make socket non-blocking: %s\n", STRERROR (errno)); #endif } #endif } } #if HTTPS_SUPPORT if (0 != (daemon->options & MHD_USE_SSL)) { connection->recv_cls = &recv_tls_adapter; connection->send_cls = &send_tls_adapter; connection->state = MHD_TLS_CONNECTION_INIT; MHD_set_https_callbacks (connection); gnutls_init (&connection->tls_session, GNUTLS_SERVER); gnutls_priority_set (connection->tls_session, daemon->priority_cache); switch (daemon->cred_type) { /* set needed credentials for certificate authentication. */ case GNUTLS_CRD_CERTIFICATE: gnutls_credentials_set (connection->tls_session, GNUTLS_CRD_CERTIFICATE, daemon->x509_cred); break; default: #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Failed to setup TLS credentials: unknown credential type %d\n", daemon->cred_type); #endif if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); free (connection->addr); free (connection); MHD_PANIC ("Unknown credential type"); #if EINVAL errno = EINVAL; #endif return MHD_NO; } gnutls_transport_set_ptr (connection->tls_session, (gnutls_transport_ptr_t) connection); gnutls_transport_set_pull_function (connection->tls_session, (gnutls_pull_func) &recv_param_adapter); gnutls_transport_set_push_function (connection->tls_session, (gnutls_push_func) &send_param_adapter); if (daemon->https_mem_trust) gnutls_certificate_server_set_request (connection->tls_session, GNUTLS_CERT_REQUEST); } #endif if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); XDLL_insert (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); DLL_insert (daemon->connections_head, daemon->connections_tail, connection); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); /* attempt to create handler thread */ if (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) { res_thread_create = create_thread (&connection->pid, daemon, &MHD_handle_connection, connection); if (0 != res_thread_create) { eno = errno; #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to create a thread: %s\n", STRERROR (res_thread_create)); #endif goto cleanup; } } else if ( (MHD_YES == external_add) && (-1 != daemon->wpipe[1]) && (1 != WRITE (daemon->wpipe[1], "n", 1)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "failed to signal new connection via pipe"); #endif } #if EPOLL_SUPPORT if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { if (0 == (daemon->options & MHD_USE_EPOLL_TURBO)) { struct epoll_event event; event.events = EPOLLIN | EPOLLOUT | EPOLLET; event.data.ptr = connection; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, client_socket, &event)) { eno = errno; #if HAVE_MESSAGES MHD_DLOG (daemon, "Call to epoll_ctl failed: %s\n", STRERROR (errno)); #endif goto cleanup; } connection->epoll_state |= MHD_EPOLL_STATE_IN_EPOLL_SET; } else { connection->epoll_state |= MHD_EPOLL_STATE_READ_READY | MHD_EPOLL_STATE_WRITE_READY | MHD_EPOLL_STATE_IN_EREADY_EDLL; EDLL_insert (daemon->eready_head, daemon->eready_tail, connection); } } #endif daemon->max_connections--; return MHD_YES; cleanup: if (0 != CLOSE (client_socket)) MHD_PANIC ("close failed\n"); MHD_ip_limit_del (daemon, addr, addrlen); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); DLL_remove (daemon->connections_head, daemon->connections_tail, connection); XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); MHD_pool_destroy (connection->pool); free (connection->addr); free (connection); #if EINVAL errno = eno; #endif return MHD_NO; } /** * Suspend handling of network data for a given connection. This can * be used to dequeue a connection from MHD's event loop (external * select, internal select or thread pool; not applicable to * thread-per-connection!) for a while. * * If you use this API in conjunction with a internal select or a * thread pool, you must set the option #MHD_USE_PIPE_FOR_SHUTDOWN to * ensure that a resumed connection is immediately processed by MHD. * * Suspended connections continue to count against the total number of * connections allowed (per daemon, as well as per IP, if such limits * are set). Suspended connections will NOT time out; timeouts will * restart when the connection handling is resumed. While a * connection is suspended, MHD will not detect disconnects by the * client. * * The only safe time to suspend a connection is from the * #MHD_AccessHandlerCallback. * * Finally, it is an API violation to call #MHD_stop_daemon while * having suspended connections (this will at least create memory and * socket leaks or lead to undefined behavior). You must explicitly * resume all connections before stopping the daemon. * * @param connection the connection to suspend */ void MHD_suspend_connection (struct MHD_Connection *connection) { struct MHD_Daemon *daemon; daemon = connection->daemon; if (MHD_USE_SUSPEND_RESUME != (daemon->options & MHD_USE_SUSPEND_RESUME)) MHD_PANIC ("Cannot suspend connections without enabling MHD_USE_SUSPEND_RESUME!\n"); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); DLL_remove (daemon->connections_head, daemon->connections_tail, connection); DLL_insert (daemon->suspended_connections_head, daemon->suspended_connections_tail, connection); if (connection->connection_timeout == daemon->connection_timeout) XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); else XDLL_remove (daemon->manual_timeout_head, daemon->manual_timeout_tail, connection); #if EPOLL_SUPPORT if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { if (0 != (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) { EDLL_remove (daemon->eready_head, daemon->eready_tail, connection); } if (0 != (connection->epoll_state & MHD_EPOLL_STATE_IN_EPOLL_SET)) { if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_DEL, connection->socket_fd, NULL)) MHD_PANIC ("Failed to remove FD from epoll set\n"); connection->epoll_state &= ~MHD_EPOLL_STATE_IN_EPOLL_SET; } connection->epoll_state |= MHD_EPOLL_STATE_SUSPENDED; } #endif connection->suspended = MHD_YES; if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * Resume handling of network data for suspended connection. It is * safe to resume a suspended connection at any time. Calling this function * on a connection that was not previously suspended will result * in undefined behavior. * * @param connection the connection to resume */ void MHD_resume_connection (struct MHD_Connection *connection) { struct MHD_Daemon *daemon; daemon = connection->daemon; if (MHD_USE_SUSPEND_RESUME != (daemon->options & MHD_USE_SUSPEND_RESUME)) MHD_PANIC ("Cannot resume connections without enabling MHD_USE_SUSPEND_RESUME!\n"); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); connection->resuming = MHD_YES; daemon->resuming = MHD_YES; if ( (-1 != daemon->wpipe[1]) && (1 != WRITE (daemon->wpipe[1], "r", 1)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "failed to signal resume via pipe"); #endif } if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * Run through the suspended connections and move any that are no * longer suspended back to the active state. * * @param daemon daemon context */ static void resume_suspended_connections (struct MHD_Daemon *daemon) { struct MHD_Connection *pos; struct MHD_Connection *next = NULL; if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); if (MHD_YES == daemon->resuming) next = daemon->suspended_connections_head; while (NULL != (pos = next)) { next = pos->next; if (MHD_NO == pos->resuming) continue; DLL_remove (daemon->suspended_connections_head, daemon->suspended_connections_tail, pos); DLL_insert (daemon->connections_head, daemon->connections_tail, pos); if (pos->connection_timeout == daemon->connection_timeout) XDLL_insert (daemon->normal_timeout_head, daemon->normal_timeout_tail, pos); else XDLL_insert (daemon->manual_timeout_head, daemon->manual_timeout_tail, pos); #if EPOLL_SUPPORT if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { if (0 != (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) { EDLL_insert (daemon->eready_head, daemon->eready_tail, pos); } else { struct epoll_event event; event.events = EPOLLIN | EPOLLOUT | EPOLLET; event.data.ptr = pos; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, pos->socket_fd, &event)) MHD_PANIC ("Failed to add FD to epoll set\n"); else pos->epoll_state |= MHD_EPOLL_STATE_IN_EPOLL_SET; } pos->epoll_state &= ~MHD_EPOLL_STATE_SUSPENDED; } #endif pos->suspended = MHD_NO; pos->resuming = MHD_NO; } daemon->resuming = MHD_NO; if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * Change socket options to be non-blocking, non-inheritable. * * @param daemon daemon context * @param sock socket to manipulate */ static void make_nonblocking_noninheritable (struct MHD_Daemon *daemon, int sock) { int nonblock; #ifdef HAVE_SOCK_NONBLOCK nonblock = SOCK_NONBLOCK; #else nonblock = 0; #endif #ifdef CYGWIN if (0 == (daemon->options & MHD_USE_SSL)) nonblock = 0; #endif #ifdef WINDOWS DWORD dwFlags; unsigned long flags = 1; if (0 != ioctlsocket (sock, FIONBIO, &flags)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to make socket non-blocking: %s\n", STRERROR (errno)); #endif } if (!GetHandleInformation ((HANDLE) sock, &dwFlags) || ((dwFlags != dwFlags & ~HANDLE_FLAG_INHERIT) && !SetHandleInformation ((HANDLE) sock, HANDLE_FLAG_INHERIT, 0))) { #if HAVE_MESSAGES SetErrnoFromWinError (GetLastError ()); MHD_DLOG (daemon, "Failed to make socket non-inheritable: %s\n", STRERROR (errno)); #endif } #else int flags; nonblock = O_NONBLOCK; #ifdef CYGWIN if (0 == (daemon->options & MHD_USE_SSL)) nonblock = 0; #endif flags = fcntl (sock, F_GETFD); if ( ( (-1 == flags) || ( (flags != (flags | FD_CLOEXEC)) && (0 != fcntl (sock, F_SETFD, flags | nonblock | FD_CLOEXEC)) ) ) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to make socket non-inheritable: %s\n", STRERROR (errno)); #endif } #endif } /** * Add another client connection to the set of connections managed by * MHD. This API is usually not needed (since MHD will accept inbound * connections on the server socket). Use this API in special cases, * for example if your HTTP server is behind NAT and needs to connect * out to the HTTP client, or if you are building a proxy. * * If you use this API in conjunction with a internal select or a * thread pool, you must set the option * #MHD_USE_PIPE_FOR_SHUTDOWN to ensure that the freshly added * connection is immediately processed by MHD. * * The given client socket will be managed (and closed!) by MHD after * this call and must no longer be used directly by the application * afterwards. * * Per-IP connection limits are ignored when using this API. * * @param daemon daemon that manages the connection * @param client_socket socket to manage (MHD will expect * to receive an HTTP request from this socket next). * @param addr IP address of the client * @param addrlen number of bytes in @a addr * @return #MHD_YES on success, #MHD_NO if this daemon could * not handle the connection (i.e. `malloc()` failed, etc). * The socket will be closed in any case; `errno` is * set to indicate further details about the error. * @ingroup specialized */ int MHD_add_connection (struct MHD_Daemon *daemon, int client_socket, const struct sockaddr *addr, socklen_t addrlen) { make_nonblocking_noninheritable (daemon, client_socket); return internal_add_connection (daemon, client_socket, addr, addrlen, MHD_YES); } /** * Accept an incoming connection and create the MHD_Connection object for * it. This function also enforces policy by way of checking with the * accept policy callback. * * @param daemon handle with the listen socket * @return MHD_YES on success (connections denied by policy or due * to 'out of memory' and similar errors) are still considered * successful as far as MHD_accept_connection is concerned); * a return code of MHD_NO only refers to the actual * 'accept' system call. */ static int MHD_accept_connection (struct MHD_Daemon *daemon) { #if HAVE_INET6 struct sockaddr_in6 addrstorage; #else struct sockaddr_in addrstorage; #endif struct sockaddr *addr = (struct sockaddr *) &addrstorage; socklen_t addrlen; int s; int fd; int nonblock; addrlen = sizeof (addrstorage); memset (addr, 0, sizeof (addrstorage)); if (-1 == (fd = daemon->socket_fd)) return MHD_NO; #ifdef HAVE_SOCK_NONBLOCK nonblock = SOCK_NONBLOCK; #else nonblock = 0; #endif #ifdef CYGWIN if (0 == (daemon->options & MHD_USE_SSL)) nonblock = 0; #endif #if HAVE_ACCEPT4 s = accept4 (fd, addr, &addrlen, SOCK_CLOEXEC | nonblock); #else s = ACCEPT (fd, addr, &addrlen); #endif if ((-1 == s) || (addrlen <= 0)) { #if HAVE_MESSAGES /* This could be a common occurance with multiple worker threads */ if ((EAGAIN != errno) && (EWOULDBLOCK != errno)) MHD_DLOG (daemon, "Error accepting connection: %s\n", STRERROR (errno)); #endif if (-1 != s) { if (0 != CLOSE (s)) MHD_PANIC ("close failed\n"); /* just in case */ } return MHD_NO; } if ( (! HAVE_ACCEPT4) || (0 == SOCK_CLOEXEC) ) make_nonblocking_noninheritable (daemon, s); #if HAVE_MESSAGES #if DEBUG_CONNECT MHD_DLOG (daemon, "Accepted connection on socket %d\n", s); #endif #endif (void) internal_add_connection (daemon, s, addr, addrlen, MHD_NO); return MHD_YES; } /** * Free resources associated with all closed connections. * (destroy responses, free buffers, etc.). All closed * connections are kept in the "cleanup" doubly-linked list. * * @param daemon daemon to clean up */ static void MHD_cleanup_connections (struct MHD_Daemon *daemon) { struct MHD_Connection *pos; void *unused; int rc; if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); while (NULL != (pos = daemon->cleanup_head)) { DLL_remove (daemon->cleanup_head, daemon->cleanup_tail, pos); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (MHD_NO == pos->thread_joined) ) { if (0 != (rc = pthread_join (pos->pid, &unused))) { MHD_PANIC ("Failed to join a thread\n"); } } MHD_pool_destroy (pos->pool); #if HTTPS_SUPPORT if (pos->tls_session != NULL) gnutls_deinit (pos->tls_session); #endif MHD_ip_limit_del (daemon, (struct sockaddr *) pos->addr, pos->addr_len); #if EPOLL_SUPPORT if (0 != (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) { EDLL_remove (daemon->eready_head, daemon->eready_tail, pos); pos->epoll_state &= ~MHD_EPOLL_STATE_IN_EREADY_EDLL; } if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->epoll_fd) && (0 != (pos->epoll_state & MHD_EPOLL_STATE_IN_EPOLL_SET)) ) { /* epoll documentation suggests that closing a FD automatically removes it from the epoll set; however, this is not true as if we fail to do manually remove it, we are still seeing an event for this fd in epoll, causing grief (use-after-free...) --- at least on my system. */ if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_DEL, pos->socket_fd, NULL)) MHD_PANIC ("Failed to remove FD from epoll set\n"); pos->epoll_state &= ~MHD_EPOLL_STATE_IN_EPOLL_SET; } #endif if (NULL != pos->response) { MHD_destroy_response (pos->response); pos->response = NULL; } if (-1 != pos->socket_fd) { #ifdef WINDOWS SHUTDOWN (pos->socket_fd, SHUT_WR); #endif if (0 != CLOSE (pos->socket_fd)) MHD_PANIC ("close failed\n"); } if (NULL != pos->addr) free (pos->addr); free (pos); daemon->max_connections++; } if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * Obtain timeout value for `select()` for this daemon (only needed if * connection timeout is used). The returned value is how long * `select()` or `poll()` should at most block, not the timeout value set * for connections. This function MUST NOT be called if MHD is * running with #MHD_USE_THREAD_PER_CONNECTION. * * @param daemon daemon to query for timeout * @param timeout set to the timeout (in milliseconds) * @return #MHD_YES on success, #MHD_NO if timeouts are * not used (or no connections exist that would * necessiate the use of a timeout right now). * @ingroup event */ int MHD_get_timeout (struct MHD_Daemon *daemon, MHD_UNSIGNED_LONG_LONG *timeout) { time_t earliest_deadline; time_t now; struct MHD_Connection *pos; int have_timeout; if (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Illegal call to MHD_get_timeout\n"); #endif return MHD_NO; } #if HTTPS_SUPPORT if (0 != daemon->num_tls_read_ready) { /* if there is any TLS connection with data ready for reading, we must not block in the event loop */ *timeout = 0; return MHD_YES; } #endif have_timeout = MHD_NO; for (pos = daemon->manual_timeout_head; NULL != pos; pos = pos->nextX) { if (0 != pos->connection_timeout) { if ( (! have_timeout) || (earliest_deadline > pos->last_activity + pos->connection_timeout) ) earliest_deadline = pos->last_activity + pos->connection_timeout; #if HTTPS_SUPPORT if ( (0 != (daemon->options & MHD_USE_SSL)) && (0 != gnutls_record_check_pending (pos->tls_session)) ) earliest_deadline = 0; #endif have_timeout = MHD_YES; } } /* normal timeouts are sorted, so we only need to look at the 'head' */ pos = daemon->normal_timeout_head; if ( (NULL != pos) && (0 != pos->connection_timeout) ) { if ( (! have_timeout) || (earliest_deadline > pos->last_activity + pos->connection_timeout) ) earliest_deadline = pos->last_activity + pos->connection_timeout; #if HTTPS_SUPPORT if ( (0 != (daemon->options & MHD_USE_SSL)) && (0 != gnutls_record_check_pending (pos->tls_session)) ) earliest_deadline = 0; #endif have_timeout = MHD_YES; } if (MHD_NO == have_timeout) return MHD_NO; now = MHD_monotonic_time(); if (earliest_deadline < now) *timeout = 0; else *timeout = 1000 * (1 + earliest_deadline - now); return MHD_YES; } /** * Run webserver operations. This method should be called by clients * in combination with #MHD_get_fdset if the client-controlled select * method is used. * * You can use this function instead of #MHD_run if you called * `select()` on the result from #MHD_get_fdset. File descriptors in * the sets that are not controlled by MHD will be ignored. Calling * this function instead of #MHD_run is more efficient as MHD will * not have to call `select()` again to determine which operations are * ready. * * @param daemon daemon to run select loop for * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set (not used, can be NULL) * @return #MHD_NO on serious errors, #MHD_YES on success * @ingroup event */ int MHD_run_from_select (struct MHD_Daemon *daemon, const fd_set *read_fd_set, const fd_set *write_fd_set, const fd_set *except_fd_set) { int ds; char tmp; struct MHD_Connection *pos; struct MHD_Connection *next; #if EPOLL_SUPPORT if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { /* we're in epoll mode, the epoll FD stands for the entire event set! */ if (daemon->epoll_fd >= FD_SETSIZE) return MHD_NO; /* poll fd too big, fail hard */ if (FD_ISSET (daemon->epoll_fd, read_fd_set)) return MHD_run (daemon); return MHD_YES; } #endif /* select connection thread handling type */ if ( (-1 != (ds = daemon->socket_fd)) && (FD_ISSET (ds, read_fd_set)) ) (void) MHD_accept_connection (daemon); /* drain signaling pipe to avoid spinning select */ if ( (-1 != daemon->wpipe[0]) && (FD_ISSET (daemon->wpipe[0], read_fd_set)) ) (void) read (daemon->wpipe[0], &tmp, sizeof (tmp)); if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) { /* do not have a thread per connection, process all connections now */ next = daemon->connections_head; while (NULL != (pos = next)) { next = pos->next; ds = pos->socket_fd; if (-1 == ds) continue; switch (pos->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: if ( (FD_ISSET (ds, read_fd_set)) #if HTTPS_SUPPORT || (MHD_YES == pos->tls_read_ready) #endif ) pos->read_handler (pos); break; case MHD_EVENT_LOOP_INFO_WRITE: if ( (FD_ISSET (ds, read_fd_set)) && (pos->read_buffer_size > pos->read_buffer_offset) ) pos->read_handler (pos); if (FD_ISSET (ds, write_fd_set)) pos->write_handler (pos); break; case MHD_EVENT_LOOP_INFO_BLOCK: if ( (FD_ISSET (ds, read_fd_set)) && (pos->read_buffer_size > pos->read_buffer_offset) ) pos->read_handler (pos); break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* should never happen */ break; } pos->idle_handler (pos); } } MHD_cleanup_connections (daemon); return MHD_YES; } /** * Main internal select() call. Will compute select sets, call select() * and then #MHD_run_from_select with the result. * * @param daemon daemon to run select() loop for * @param may_block #MHD_YES if blocking, #MHD_NO if non-blocking * @return #MHD_NO on serious errors, #MHD_YES on success */ static int MHD_select (struct MHD_Daemon *daemon, int may_block) { int num_ready; fd_set rs; fd_set ws; fd_set es; int max; struct timeval timeout; struct timeval *tv; MHD_UNSIGNED_LONG_LONG ltimeout; timeout.tv_sec = 0; timeout.tv_usec = 0; if (MHD_YES == daemon->shutdown) return MHD_NO; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); max = -1; if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) { if (MHD_USE_SUSPEND_RESUME == (daemon->options & MHD_USE_SUSPEND_RESUME)) resume_suspended_connections (daemon); /* single-threaded, go over everything */ if (MHD_NO == MHD_get_fdset (daemon, &rs, &ws, &es, &max)) return MHD_NO; /* If we're at the connection limit, no need to accept new connections. */ if ( (0 == daemon->max_connections) && (-1 != daemon->socket_fd) ) FD_CLR (daemon->socket_fd, &rs); } else { /* accept only, have one thread per connection */ if (-1 != daemon->socket_fd) { max = daemon->socket_fd; FD_SET (daemon->socket_fd, &rs); } } if (-1 != daemon->wpipe[0]) { FD_SET (daemon->wpipe[0], &rs); /* update max file descriptor */ if (max < daemon->wpipe[0]) max = daemon->wpipe[0]; } tv = NULL; if (MHD_NO == may_block) { timeout.tv_usec = 0; timeout.tv_sec = 0; tv = &timeout; } else if ( (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (MHD_YES == MHD_get_timeout (daemon, <imeout)) ) { /* ltimeout is in ms */ timeout.tv_usec = (ltimeout % 1000) * 1000; timeout.tv_sec = ltimeout / 1000; tv = &timeout; } if (-1 == max) return MHD_YES; num_ready = SELECT (max + 1, &rs, &ws, &es, tv); if (MHD_YES == daemon->shutdown) return MHD_NO; if (num_ready < 0) { if (EINTR == errno) return MHD_YES; #if HAVE_MESSAGES MHD_DLOG (daemon, "select failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } return MHD_run_from_select (daemon, &rs, &ws, &es); } #ifdef HAVE_POLL_H /** * Process all of our connections and possibly the server * socket using poll(). * * @param daemon daemon to run poll loop for * @param may_block #MHD_YES if blocking, #MHD_NO if non-blocking * @return #MHD_NO on serious errors, #MHD_YES on success */ static int MHD_poll_all (struct MHD_Daemon *daemon, int may_block) { unsigned int num_connections; struct MHD_Connection *pos; struct MHD_Connection *next; if (MHD_USE_SUSPEND_RESUME == (daemon->options & MHD_USE_SUSPEND_RESUME)) resume_suspended_connections (daemon); /* count number of connections and thus determine poll set size */ num_connections = 0; for (pos = daemon->connections_head; NULL != pos; pos = pos->next) num_connections++; { struct pollfd p[2 + num_connections]; MHD_UNSIGNED_LONG_LONG ltimeout; unsigned int i; int timeout; unsigned int poll_server; int poll_listen; memset (p, 0, sizeof (p)); poll_server = 0; poll_listen = -1; if ( (-1 != daemon->socket_fd) && (0 != daemon->max_connections) ) { /* only listen if we are not at the connection limit */ p[poll_server].fd = daemon->socket_fd; p[poll_server].events = POLLIN; p[poll_server].revents = 0; poll_listen = (int) poll_server; poll_server++; } if (-1 != daemon->wpipe[0]) { p[poll_server].fd = daemon->wpipe[0]; p[poll_server].events = POLLIN; p[poll_server].revents = 0; poll_server++; } if (may_block == MHD_NO) timeout = 0; else if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) || (MHD_YES != MHD_get_timeout (daemon, <imeout)) ) timeout = -1; else timeout = (ltimeout > INT_MAX) ? INT_MAX : (int) ltimeout; i = 0; for (pos = daemon->connections_head; NULL != pos; pos = pos->next) { p[poll_server+i].fd = pos->socket_fd; switch (pos->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: p[poll_server+i].events |= POLLIN; break; case MHD_EVENT_LOOP_INFO_WRITE: p[poll_server+i].events |= POLLOUT; if (pos->read_buffer_size > pos->read_buffer_offset) p[poll_server+i].events |= POLLIN; break; case MHD_EVENT_LOOP_INFO_BLOCK: if (pos->read_buffer_size > pos->read_buffer_offset) p[poll_server+i].events |= POLLIN; break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* should never happen */ break; } i++; } if (0 == poll_server + num_connections) return MHD_YES; if (poll (p, poll_server + num_connections, timeout) < 0) { if (EINTR == errno) return MHD_YES; #if HAVE_MESSAGES MHD_DLOG (daemon, "poll failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } /* handle shutdown */ if (MHD_YES == daemon->shutdown) return MHD_NO; i = 0; next = daemon->connections_head; while (NULL != (pos = next)) { next = pos->next; switch (pos->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: /* first, sanity checks */ if (i >= num_connections) break; /* connection list changed somehow, retry later ... */ if (p[poll_server+i].fd != pos->socket_fd) break; /* fd mismatch, something else happened, retry later ... */ /* normal handling */ if (0 != (p[poll_server+i].revents & POLLIN)) pos->read_handler (pos); pos->idle_handler (pos); i++; break; case MHD_EVENT_LOOP_INFO_WRITE: /* first, sanity checks */ if (i >= num_connections) break; /* connection list changed somehow, retry later ... */ if (p[poll_server+i].fd != pos->socket_fd) break; /* fd mismatch, something else happened, retry later ... */ /* normal handling */ if (0 != (p[poll_server+i].revents & POLLIN)) pos->read_handler (pos); if (0 != (p[poll_server+i].revents & POLLOUT)) pos->write_handler (pos); pos->idle_handler (pos); i++; break; case MHD_EVENT_LOOP_INFO_BLOCK: if (0 != (p[poll_server+i].revents & POLLIN)) pos->read_handler (pos); pos->idle_handler (pos); break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* should never happen */ break; } } /* handle 'listen' FD */ if ( (-1 != poll_listen) && (0 != (p[poll_listen].revents & POLLIN)) ) (void) MHD_accept_connection (daemon); } return MHD_YES; } /** * Process only the listen socket using poll(). * * @param daemon daemon to run poll loop for * @param may_block #MHD_YES if blocking, #MHD_NO if non-blocking * @return #MHD_NO on serious errors, #MHD_YES on success */ static int MHD_poll_listen_socket (struct MHD_Daemon *daemon, int may_block) { struct pollfd p[2]; int timeout; unsigned int poll_count; int poll_listen; memset (&p, 0, sizeof (p)); poll_count = 0; poll_listen = -1; if (-1 != daemon->socket_fd) { p[poll_count].fd = daemon->socket_fd; p[poll_count].events = POLLIN; p[poll_count].revents = 0; poll_listen = poll_count; poll_count++; } if (-1 != daemon->wpipe[0]) { p[poll_count].fd = daemon->wpipe[0]; p[poll_count].events = POLLIN; p[poll_count].revents = 0; poll_count++; } if (MHD_NO == may_block) timeout = 0; else timeout = -1; if (0 == poll_count) return MHD_YES; if (poll (p, poll_count, timeout) < 0) { if (EINTR == errno) return MHD_YES; #if HAVE_MESSAGES MHD_DLOG (daemon, "poll failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } /* handle shutdown */ if (MHD_YES == daemon->shutdown) return MHD_NO; if ( (-1 != poll_listen) && (0 != (p[poll_listen].revents & POLLIN)) ) (void) MHD_accept_connection (daemon); return MHD_YES; } #endif /** * Do poll()-based processing. * * @param daemon daemon to run poll()-loop for * @param may_block #MHD_YES if blocking, #MHD_NO if non-blocking * @return #MHD_NO on serious errors, #MHD_YES on success */ static int MHD_poll (struct MHD_Daemon *daemon, int may_block) { #ifdef HAVE_POLL_H if (MHD_YES == daemon->shutdown) return MHD_NO; if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) return MHD_poll_all (daemon, may_block); else return MHD_poll_listen_socket (daemon, may_block); #else return MHD_NO; #endif } #if EPOLL_SUPPORT /** * How many events to we process at most per epoll() call? Trade-off * between required stack-size and number of system calls we have to * make; 128 should be way enough to avoid more than one system call * for most scenarios, and still be moderate in stack size * consumption. Embedded systems might want to choose a smaller value * --- but why use epoll() on such a system in the first place? */ #define MAX_EVENTS 128 /** * Do epoll()-based processing (this function is allowed to * block if @a may_block is set to #MHD_YES). * * @param daemon daemon to run poll loop for * @param may_block #MHD_YES if blocking, #MHD_NO if non-blocking * @return #MHD_NO on serious errors, #MHD_YES on success */ static int MHD_epoll (struct MHD_Daemon *daemon, int may_block) { struct MHD_Connection *pos; struct MHD_Connection *next; struct epoll_event events[MAX_EVENTS]; struct epoll_event event; int timeout_ms; MHD_UNSIGNED_LONG_LONG timeout_ll; int num_events; unsigned int i; unsigned int series_length; char tmp; if (-1 == daemon->epoll_fd) return MHD_NO; /* we're down! */ if (MHD_YES == daemon->shutdown) return MHD_NO; if ( (-1 != daemon->socket_fd) && (0 != daemon->max_connections) && (MHD_NO == daemon->listen_socket_in_epoll) ) { event.events = EPOLLIN; event.data.ptr = daemon; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, daemon->socket_fd, &event)) { #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_ctl failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } daemon->listen_socket_in_epoll = MHD_YES; } if ( (MHD_YES == daemon->listen_socket_in_epoll) && (0 == daemon->max_connections) ) { /* we're at the connection limit, disable listen socket for event loop for now */ if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_DEL, daemon->socket_fd, NULL)) MHD_PANIC ("Failed to remove listen FD from epoll set\n"); daemon->listen_socket_in_epoll = MHD_NO; } if (MHD_YES == may_block) { if (MHD_YES == MHD_get_timeout (daemon, &timeout_ll)) { if (timeout_ll >= (MHD_UNSIGNED_LONG_LONG) INT_MAX) timeout_ms = INT_MAX; else timeout_ms = (int) timeout_ll; } else timeout_ms = -1; } else timeout_ms = 0; /* drain 'epoll' event queue; need to iterate as we get at most MAX_EVENTS in one system call here; in practice this should pretty much mean only one round, but better an extra loop here than unfair behavior... */ num_events = MAX_EVENTS; while (MAX_EVENTS == num_events) { /* update event masks */ num_events = epoll_wait (daemon->epoll_fd, events, MAX_EVENTS, timeout_ms); if (-1 == num_events) { if (EINTR == errno) return MHD_YES; #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_wait failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } for (i=0;iwpipe[0]) && (daemon->wpipe[0] == events[i].data.fd) ) { (void) read (daemon->wpipe[0], &tmp, sizeof (tmp)); continue; } if (daemon != events[i].data.ptr) { /* this is an event relating to a 'normal' connection, remember the event and if appropriate mark the connection as 'eready'. */ pos = events[i].data.ptr; if (0 != (events[i].events & EPOLLIN)) { pos->epoll_state |= MHD_EPOLL_STATE_READ_READY; if ( ( (MHD_EVENT_LOOP_INFO_READ == pos->event_loop_info) || (pos->read_buffer_size > pos->read_buffer_offset) ) && (0 == (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL) ) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, pos); pos->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } } if (0 != (events[i].events & EPOLLOUT)) { pos->epoll_state |= MHD_EPOLL_STATE_WRITE_READY; if ( (MHD_EVENT_LOOP_INFO_WRITE == pos->event_loop_info) && (0 == (pos->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL) ) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, pos); pos->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } } } else /* must be listen socket */ { /* run 'accept' until it fails or we are not allowed to take on more connections */ series_length = 0; while ( (MHD_YES == MHD_accept_connection (daemon)) && (0 != daemon->max_connections) && (series_length < 128) ) series_length++; } } } /* we handle resumes here because we may have ready connections that will not be placed into the epoll list immediately. */ if (MHD_USE_SUSPEND_RESUME == (daemon->options & MHD_USE_SUSPEND_RESUME)) resume_suspended_connections (daemon); /* process events for connections */ while (NULL != (pos = daemon->eready_tail)) { EDLL_remove (daemon->eready_head, daemon->eready_tail, pos); pos->epoll_state &= ~MHD_EPOLL_STATE_IN_EREADY_EDLL; if (MHD_EVENT_LOOP_INFO_READ == pos->event_loop_info) pos->read_handler (pos); if (MHD_EVENT_LOOP_INFO_WRITE == pos->event_loop_info) pos->write_handler (pos); pos->idle_handler (pos); } /* Finally, handle timed-out connections; we need to do this here as the epoll mechanism won't call the 'idle_handler' on everything, as the other event loops do. As timeouts do not get an explicit event, we need to find those connections that might have timed out here. Connections with custom timeouts must all be looked at, as we do not bother to sort that (presumably very short) list. */ next = daemon->manual_timeout_head; while (NULL != (pos = next)) { next = pos->nextX; pos->idle_handler (pos); } /* Connections with the default timeout are sorted by prepending them to the head of the list whenever we touch the connection; thus it sufficies to iterate from the tail until the first connection is NOT timed out */ next = daemon->normal_timeout_tail; while (NULL != (pos = next)) { next = pos->prevX; pos->idle_handler (pos); if (MHD_CONNECTION_CLOSED != pos->state) break; /* sorted by timeout, no need to visit the rest! */ } return MHD_YES; } #endif /** * Run webserver operations (without blocking unless in client * callbacks). This method should be called by clients in combination * with #MHD_get_fdset if the client-controlled select method is used. * * This function is a convenience method, which is useful if the * fd_sets from #MHD_get_fdset were not directly passed to `select()`; * with this function, MHD will internally do the appropriate `select()` * call itself again. While it is always safe to call #MHD_run (in * external select mode), you should call #MHD_run_from_select if * performance is important (as it saves an expensive call to * `select()`). * * @param daemon daemon to run * @return #MHD_YES on success, #MHD_NO if this * daemon was not started with the right * options for this call. * @ingroup event */ int MHD_run (struct MHD_Daemon *daemon) { if ( (MHD_YES == daemon->shutdown) || (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) || (0 != (daemon->options & MHD_USE_SELECT_INTERNALLY)) ) return MHD_NO; if (0 != (daemon->options & MHD_USE_POLL)) { MHD_poll (daemon, MHD_NO); MHD_cleanup_connections (daemon); } #if EPOLL_SUPPORT else if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) { MHD_epoll (daemon, MHD_NO); MHD_cleanup_connections (daemon); } #endif else { MHD_select (daemon, MHD_NO); /* MHD_select does MHD_cleanup_connections already */ } return MHD_YES; } /** * Thread that runs the select loop until the daemon * is explicitly shut down. * * @param cls 'struct MHD_Deamon' to run select loop in a thread for * @return always NULL (on shutdown) */ static void * MHD_select_thread (void *cls) { struct MHD_Daemon *daemon = cls; while (MHD_YES != daemon->shutdown) { if (0 != (daemon->options & MHD_USE_POLL)) MHD_poll (daemon, MHD_YES); #if EPOLL_SUPPORT else if (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) MHD_epoll (daemon, MHD_YES); #endif else MHD_select (daemon, MHD_YES); MHD_cleanup_connections (daemon); } return NULL; } /** * Start a webserver on the given port. Variadic version of * #MHD_start_daemon_va. * * @param flags combination of `enum MHD_FLAG` values * @param port port to bind to * @param apc callback to call to check which clients * will be allowed to connect; you can pass NULL * in which case connections from any IP will be * accepted * @param apc_cls extra argument to @a apc * @param dh handler called for all requests (repeatedly) * @param dh_cls extra argument to @a dh * @return NULL on error, handle to daemon on success * @ingroup event */ struct MHD_Daemon * MHD_start_daemon (unsigned int flags, uint16_t port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, ...) { struct MHD_Daemon *daemon; va_list ap; va_start (ap, dh_cls); daemon = MHD_start_daemon_va (flags, port, apc, apc_cls, dh, dh_cls, ap); va_end (ap); return daemon; } /** * Stop accepting connections from the listening socket. Allows * clients to continue processing, but stops accepting new * connections. Note that the caller is responsible for closing the * returned socket; however, if MHD is run using threads (anything but * external select mode), it must not be closed until AFTER * #MHD_stop_daemon has been called (as it is theoretically possible * that an existing thread is still using it). * * Note that some thread modes require the caller to have passed * #MHD_USE_PIPE_FOR_SHUTDOWN when using this API. If this daemon is * in one of those modes and this option was not given to * #MHD_start_daemon, this function will return -1. * * @param daemon daemon to stop accepting new connections for * @return old listen socket on success, -1 if the daemon was * already not listening anymore * @ingroup specialized */ int MHD_quiesce_daemon (struct MHD_Daemon *daemon) { unsigned int i; int ret; ret = daemon->socket_fd; if (-1 == ret) return -1; if ( (-1 == daemon->wpipe[1]) && (0 != (daemon->options & MHD_USE_SELECT_INTERNALLY)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Using MHD_quiesce_daemon in this mode requires MHD_USE_PIPE_FOR_SHUTDOWN\n"); #endif return -1; } if (NULL != daemon->worker_pool) for (i = 0; i < daemon->worker_pool_size; i++) { daemon->worker_pool[i].socket_fd = -1; #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->worker_pool[i].epoll_fd) && (MHD_YES == daemon->worker_pool[i].listen_socket_in_epoll) ) { if (0 != epoll_ctl (daemon->worker_pool[i].epoll_fd, EPOLL_CTL_DEL, ret, NULL)) MHD_PANIC ("Failed to remove listen FD from epoll set\n"); daemon->worker_pool[i].listen_socket_in_epoll = MHD_NO; } #endif } daemon->socket_fd = -1; #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->epoll_fd) && (MHD_YES == daemon->listen_socket_in_epoll) ) { if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_DEL, ret, NULL)) MHD_PANIC ("Failed to remove listen FD from epoll set\n"); daemon->listen_socket_in_epoll = MHD_NO; } #endif return ret; } /** * Signature of the MHD custom logger function. * * @param cls closure * @param format format string * @param va arguments to the format string (fprintf-style) */ typedef void (*VfprintfFunctionPointerType)(void *cls, const char *format, va_list va); /** * Parse a list of options given as varargs. * * @param daemon the daemon to initialize * @param servaddr where to store the server's listen address * @param ap the options * @return #MHD_YES on success, #MHD_NO on error */ static int parse_options_va (struct MHD_Daemon *daemon, const struct sockaddr **servaddr, va_list ap); /** * Parse a list of options given as varargs. * * @param daemon the daemon to initialize * @param servaddr where to store the server's listen address * @param ... the options * @return #MHD_YES on success, #MHD_NO on error */ static int parse_options (struct MHD_Daemon *daemon, const struct sockaddr **servaddr, ...) { va_list ap; int ret; va_start (ap, servaddr); ret = parse_options_va (daemon, servaddr, ap); va_end (ap); return ret; } /** * Parse a list of options given as varargs. * * @param daemon the daemon to initialize * @param servaddr where to store the server's listen address * @param ap the options * @return #MHD_YES on success, #MHD_NO on error */ static int parse_options_va (struct MHD_Daemon *daemon, const struct sockaddr **servaddr, va_list ap) { enum MHD_OPTION opt; struct MHD_OptionItem *oa; unsigned int i; #if HTTPS_SUPPORT int ret; const char *pstr; #endif while (MHD_OPTION_END != (opt = (enum MHD_OPTION) va_arg (ap, int))) { switch (opt) { case MHD_OPTION_CONNECTION_MEMORY_LIMIT: daemon->pool_size = va_arg (ap, size_t); break; case MHD_OPTION_CONNECTION_MEMORY_INCREMENT: daemon->pool_increment= va_arg (ap, size_t); break; case MHD_OPTION_CONNECTION_LIMIT: daemon->max_connections = va_arg (ap, unsigned int); break; case MHD_OPTION_CONNECTION_TIMEOUT: daemon->connection_timeout = va_arg (ap, unsigned int); break; case MHD_OPTION_NOTIFY_COMPLETED: daemon->notify_completed = va_arg (ap, MHD_RequestCompletedCallback); daemon->notify_completed_cls = va_arg (ap, void *); break; case MHD_OPTION_PER_IP_CONNECTION_LIMIT: daemon->per_ip_connection_limit = va_arg (ap, unsigned int); break; case MHD_OPTION_SOCK_ADDR: *servaddr = va_arg (ap, const struct sockaddr *); break; case MHD_OPTION_URI_LOG_CALLBACK: daemon->uri_log_callback = va_arg (ap, LogCallback); daemon->uri_log_callback_cls = va_arg (ap, void *); break; case MHD_OPTION_THREAD_POOL_SIZE: daemon->worker_pool_size = va_arg (ap, unsigned int); if (daemon->worker_pool_size >= (SIZE_MAX / sizeof (struct MHD_Daemon))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Specified thread pool size (%u) too big\n", daemon->worker_pool_size); #endif return MHD_NO; } break; #if HTTPS_SUPPORT case MHD_OPTION_HTTPS_MEM_KEY: if (0 != (daemon->options & MHD_USE_SSL)) daemon->https_mem_key = va_arg (ap, const char *); #if HAVE_MESSAGES else MHD_DLOG (daemon, "MHD HTTPS option %d passed to MHD but MHD_USE_SSL not set\n", opt); #endif break; case MHD_OPTION_HTTPS_MEM_CERT: if (0 != (daemon->options & MHD_USE_SSL)) daemon->https_mem_cert = va_arg (ap, const char *); #if HAVE_MESSAGES else MHD_DLOG (daemon, "MHD HTTPS option %d passed to MHD but MHD_USE_SSL not set\n", opt); #endif break; case MHD_OPTION_HTTPS_MEM_TRUST: if (0 != (daemon->options & MHD_USE_SSL)) daemon->https_mem_trust = va_arg (ap, const char *); #if HAVE_MESSAGES else MHD_DLOG (daemon, "MHD HTTPS option %d passed to MHD but MHD_USE_SSL not set\n", opt); #endif break; case MHD_OPTION_HTTPS_CRED_TYPE: daemon->cred_type = (gnutls_credentials_type_t) va_arg (ap, int); break; case MHD_OPTION_HTTPS_PRIORITIES: if (0 != (daemon->options & MHD_USE_SSL)) { gnutls_priority_deinit (daemon->priority_cache); ret = gnutls_priority_init (&daemon->priority_cache, pstr = va_arg (ap, const char*), NULL); if (ret != GNUTLS_E_SUCCESS) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Setting priorities to `%s' failed: %s\n", pstr, gnutls_strerror (ret)); #endif daemon->priority_cache = NULL; return MHD_NO; } } break; case MHD_OPTION_HTTPS_CERT_CALLBACK: #if GNUTLS_VERSION_MAJOR < 3 #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD_OPTION_HTTPS_CERT_CALLBACK requires building MHD with GnuTLS >= 3.0\n"); #endif return MHD_NO; #else if (0 != (daemon->options & MHD_USE_SSL)) daemon->cert_callback = va_arg (ap, gnutls_certificate_retrieve_function2 *); break; #endif #endif #ifdef DAUTH_SUPPORT case MHD_OPTION_DIGEST_AUTH_RANDOM: daemon->digest_auth_rand_size = va_arg (ap, size_t); daemon->digest_auth_random = va_arg (ap, const char *); break; case MHD_OPTION_NONCE_NC_SIZE: daemon->nonce_nc_size = va_arg (ap, unsigned int); break; #endif case MHD_OPTION_LISTEN_SOCKET: daemon->socket_fd = va_arg (ap, int); break; case MHD_OPTION_EXTERNAL_LOGGER: #if HAVE_MESSAGES daemon->custom_error_log = va_arg (ap, VfprintfFunctionPointerType); daemon->custom_error_log_cls = va_arg (ap, void *); #else va_arg (ap, VfprintfFunctionPointerType); va_arg (ap, void *); #endif break; case MHD_OPTION_THREAD_STACK_SIZE: daemon->thread_stack_size = va_arg (ap, size_t); break; case MHD_OPTION_ARRAY: oa = va_arg (ap, struct MHD_OptionItem*); i = 0; while (MHD_OPTION_END != (opt = oa[i].option)) { switch (opt) { /* all options taking 'size_t' */ case MHD_OPTION_CONNECTION_MEMORY_LIMIT: case MHD_OPTION_CONNECTION_MEMORY_INCREMENT: case MHD_OPTION_THREAD_STACK_SIZE: if (MHD_YES != parse_options (daemon, servaddr, opt, (size_t) oa[i].value, MHD_OPTION_END)) return MHD_NO; break; /* all options taking 'unsigned int' */ case MHD_OPTION_NONCE_NC_SIZE: case MHD_OPTION_CONNECTION_LIMIT: case MHD_OPTION_CONNECTION_TIMEOUT: case MHD_OPTION_PER_IP_CONNECTION_LIMIT: case MHD_OPTION_THREAD_POOL_SIZE: if (MHD_YES != parse_options (daemon, servaddr, opt, (unsigned int) oa[i].value, MHD_OPTION_END)) return MHD_NO; break; /* all options taking 'int' or 'enum' */ case MHD_OPTION_HTTPS_CRED_TYPE: case MHD_OPTION_LISTEN_SOCKET: if (MHD_YES != parse_options (daemon, servaddr, opt, (int) oa[i].value, MHD_OPTION_END)) return MHD_NO; break; /* all options taking one pointer */ case MHD_OPTION_SOCK_ADDR: case MHD_OPTION_HTTPS_MEM_KEY: case MHD_OPTION_HTTPS_MEM_CERT: case MHD_OPTION_HTTPS_MEM_TRUST: case MHD_OPTION_HTTPS_PRIORITIES: case MHD_OPTION_ARRAY: case MHD_OPTION_HTTPS_CERT_CALLBACK: if (MHD_YES != parse_options (daemon, servaddr, opt, oa[i].ptr_value, MHD_OPTION_END)) return MHD_NO; break; /* all options taking two pointers */ case MHD_OPTION_NOTIFY_COMPLETED: case MHD_OPTION_URI_LOG_CALLBACK: case MHD_OPTION_EXTERNAL_LOGGER: case MHD_OPTION_UNESCAPE_CALLBACK: if (MHD_YES != parse_options (daemon, servaddr, opt, (void *) oa[i].value, oa[i].ptr_value, MHD_OPTION_END)) return MHD_NO; break; /* options taking size_t-number followed by pointer */ case MHD_OPTION_DIGEST_AUTH_RANDOM: if (MHD_YES != parse_options (daemon, servaddr, opt, (size_t) oa[i].value, oa[i].ptr_value, MHD_OPTION_END)) return MHD_NO; break; default: return MHD_NO; } i++; } break; case MHD_OPTION_UNESCAPE_CALLBACK: daemon->unescape_callback = va_arg (ap, UnescapeCallback); daemon->unescape_callback_cls = va_arg (ap, void *); break; default: #if HAVE_MESSAGES if (((opt >= MHD_OPTION_HTTPS_MEM_KEY) && (opt <= MHD_OPTION_HTTPS_PRIORITIES)) || (opt == MHD_OPTION_HTTPS_MEM_TRUST)) { MHD_DLOG (daemon, "MHD HTTPS option %d passed to MHD compiled without HTTPS support\n", opt); } else { MHD_DLOG (daemon, "Invalid option %d! (Did you terminate the list with MHD_OPTION_END?)\n", opt); } #endif return MHD_NO; } } return MHD_YES; } /** * Create a listen socket, if possible with SOCK_CLOEXEC flag set. * * @param daemon daemon for which we create the socket * @param domain socket domain (i.e. PF_INET) * @param type socket type (usually SOCK_STREAM) * @param protocol desired protocol, 0 for default */ static int create_socket (struct MHD_Daemon *daemon, int domain, int type, int protocol) { int ctype = type | SOCK_CLOEXEC; int fd; /* use SOCK_STREAM rather than ai_socktype: some getaddrinfo * implementations do not set ai_socktype, e.g. RHL6.2. */ fd = SOCKET (domain, ctype, protocol); if ( (-1 == fd) && (EINVAL == errno) && (0 != SOCK_CLOEXEC) ) { ctype = type; fd = SOCKET(domain, type, protocol); } if (-1 == fd) return -1; if (type == ctype) make_nonblocking_noninheritable (daemon, fd); return fd; } #if EPOLL_SUPPORT /** * Setup epoll() FD for the daemon and initialize it to listen * on the listen FD. * * @param daemon daemon to initialize for epoll() * @return #MHD_YES on success, #MHD_NO on failure */ static int setup_epoll_to_listen (struct MHD_Daemon *daemon) { struct epoll_event event; daemon->epoll_fd = epoll_create1 (EPOLL_CLOEXEC); if (-1 == daemon->epoll_fd) { #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_create1 failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } if (0 == EPOLL_CLOEXEC) make_nonblocking_noninheritable (daemon, daemon->epoll_fd); if (-1 == daemon->socket_fd) return MHD_YES; /* non-listening daemon */ event.events = EPOLLIN; event.data.ptr = daemon; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, daemon->socket_fd, &event)) { #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_ctl failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } if ( (-1 != daemon->wpipe[0]) && (MHD_USE_SUSPEND_RESUME == (daemon->options & MHD_USE_SUSPEND_RESUME)) ) { event.events = EPOLLIN | EPOLLET; event.data.ptr = NULL; event.data.fd = daemon->wpipe[0]; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, daemon->wpipe[0], &event)) { #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_ctl failed: %s\n", STRERROR (errno)); #endif return MHD_NO; } } daemon->listen_socket_in_epoll = MHD_YES; return MHD_YES; } #endif /** * Start a webserver on the given port. * * @param flags combination of `enum MHD_FLAG` values * @param port port to bind to (in host byte order) * @param apc callback to call to check which clients * will be allowed to connect; you can pass NULL * in which case connections from any IP will be * accepted * @param apc_cls extra argument to @a apc * @param dh handler called for all requests (repeatedly) * @param dh_cls extra argument to @a dh * @param ap list of options (type-value pairs, * terminated with #MHD_OPTION_END). * @return NULL on error, handle to daemon on success * @ingroup event */ struct MHD_Daemon * MHD_start_daemon_va (unsigned int flags, uint16_t port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, va_list ap) { const int on = 1; struct MHD_Daemon *daemon; int socket_fd; struct sockaddr_in servaddr4; #if HAVE_INET6 struct sockaddr_in6 servaddr6; #endif const struct sockaddr *servaddr = NULL; socklen_t addrlen; unsigned int i; int res_thread_create; int use_pipe; #ifndef HAVE_INET6 if (0 != (flags & MHD_USE_IPv6)) return NULL; #endif #ifndef HAVE_POLL_H if (0 != (flags & MHD_USE_POLL)) return NULL; #endif #if ! HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) return NULL; #endif if (NULL == dh) return NULL; if (NULL == (daemon = malloc (sizeof (struct MHD_Daemon)))) return NULL; memset (daemon, 0, sizeof (struct MHD_Daemon)); #if EPOLL_SUPPORT daemon->epoll_fd = -1; #endif /* try to open listen socket */ #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) { gnutls_priority_init (&daemon->priority_cache, "NORMAL", NULL); } #endif daemon->socket_fd = -1; daemon->options = (enum MHD_OPTION) flags; #if WINDOWS /* Winsock is broken with respect to 'shutdown'; this disables us calling 'shutdown' on W32. */ daemon->options |= MHD_USE_EPOLL_TURBO; #endif daemon->port = port; daemon->apc = apc; daemon->apc_cls = apc_cls; daemon->default_handler = dh; daemon->default_handler_cls = dh_cls; daemon->max_connections = MHD_MAX_CONNECTIONS_DEFAULT; daemon->pool_size = MHD_POOL_SIZE_DEFAULT; daemon->pool_increment = MHD_BUF_INC_SIZE; daemon->unescape_callback = &MHD_http_unescape; daemon->connection_timeout = 0; /* no timeout */ daemon->wpipe[0] = -1; daemon->wpipe[1] = -1; #if HAVE_MESSAGES daemon->custom_error_log = (MHD_LogCallback) &vfprintf; daemon->custom_error_log_cls = stderr; #endif #ifdef HAVE_LISTEN_SHUTDOWN use_pipe = (0 != (daemon->options & (MHD_USE_NO_LISTEN_SOCKET | MHD_USE_PIPE_FOR_SHUTDOWN))); #else use_pipe = 1; /* yes, must use pipe to signal shutdown */ #endif if (0 == (flags & (MHD_USE_SELECT_INTERNALLY | MHD_USE_THREAD_PER_CONNECTION))) use_pipe = 0; /* useless if we are using 'external' select */ if ( (use_pipe) && #ifdef WINDOWS (0 != SOCKETPAIR (AF_INET, SOCK_STREAM, IPPROTO_TCP, daemon->wpipe)) #else (0 != PIPE (daemon->wpipe)) #endif ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to create control pipe: %s\n", STRERROR (errno)); #endif free (daemon); return NULL; } #ifndef WINDOWS if ( (0 == (flags & MHD_USE_POLL)) && (1 == use_pipe) && (daemon->wpipe[0] >= FD_SETSIZE) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "file descriptor for control pipe exceeds maximum value\n"); #endif if (0 != CLOSE (daemon->wpipe[0])) MHD_PANIC ("close failed\n"); if (0 != CLOSE (daemon->wpipe[1])) MHD_PANIC ("close failed\n"); free (daemon); return NULL; } #endif #ifdef DAUTH_SUPPORT daemon->digest_auth_rand_size = 0; daemon->digest_auth_random = NULL; daemon->nonce_nc_size = 4; /* tiny */ #endif #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) { daemon->cred_type = GNUTLS_CRD_CERTIFICATE; } #endif if (MHD_YES != parse_options_va (daemon, &servaddr, ap)) { #if HTTPS_SUPPORT if ( (0 != (flags & MHD_USE_SSL)) && (NULL != daemon->priority_cache) ) gnutls_priority_deinit (daemon->priority_cache); #endif free (daemon); return NULL; } #ifdef DAUTH_SUPPORT if (daemon->nonce_nc_size > 0) { if ( ( (size_t) (daemon->nonce_nc_size * sizeof (struct MHD_NonceNc))) / sizeof(struct MHD_NonceNc) != daemon->nonce_nc_size) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Specified value for NC_SIZE too large\n"); #endif #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) gnutls_priority_deinit (daemon->priority_cache); #endif free (daemon); return NULL; } daemon->nnc = malloc (daemon->nonce_nc_size * sizeof (struct MHD_NonceNc)); if (NULL == daemon->nnc) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to allocate memory for nonce-nc map: %s\n", STRERROR (errno)); #endif #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) gnutls_priority_deinit (daemon->priority_cache); #endif free (daemon); return NULL; } } if (0 != pthread_mutex_init (&daemon->nnc_lock, NULL)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD failed to initialize nonce-nc mutex\n"); #endif #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) gnutls_priority_deinit (daemon->priority_cache); #endif free (daemon->nnc); free (daemon); return NULL; } #endif /* Thread pooling currently works only with internal select thread model */ if ( (0 == (flags & MHD_USE_SELECT_INTERNALLY)) && (daemon->worker_pool_size > 0) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD thread pooling only works with MHD_USE_SELECT_INTERNALLY\n"); #endif goto free_and_fail; } if ( (MHD_USE_SUSPEND_RESUME == (flags & MHD_USE_SUSPEND_RESUME)) && (0 != (flags & MHD_USE_THREAD_PER_CONNECTION)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Combining MHD_USE_THREAD_PER_CONNECTION and MHD_USE_SUSPEND_RESUME is not supported.\n"); #endif goto free_and_fail; } #ifdef __SYMBIAN32__ if (0 != (flags & (MHD_USE_SELECT_INTERNALLY | MHD_USE_THREAD_PER_CONNECTION))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Threaded operations are not supported on Symbian.\n"); #endif goto free_and_fail; } #endif #if EPOLL_SUPPORT if ( (0 != (flags & MHD_USE_EPOLL_LINUX_ONLY)) && (0 == daemon->worker_pool_size) && (0 == (daemon->options & MHD_USE_NO_LISTEN_SOCKET)) ) { if (0 != (flags & MHD_USE_THREAD_PER_CONNECTION)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Combining MHD_USE_THREAD_PER_CONNECTION and MHD_USE_EPOLL_LINUX_ONLY is not supported.\n"); #endif goto free_and_fail; } if (MHD_YES != setup_epoll_to_listen (daemon)) goto free_and_fail; } #else if (0 != (flags & MHD_USE_EPOLL_LINUX_ONLY)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "epoll is not supported on this platform by this build.\n"); #endif goto free_and_fail; } #endif if ( (-1 == daemon->socket_fd) && (0 == (daemon->options & MHD_USE_NO_LISTEN_SOCKET)) ) { /* try to open listen socket */ if ((flags & MHD_USE_IPv6) != 0) socket_fd = create_socket (daemon, PF_INET6, SOCK_STREAM, 0); else socket_fd = create_socket (daemon, PF_INET, SOCK_STREAM, 0); if (-1 == socket_fd) { #if HAVE_MESSAGES if (0 != (flags & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to socket failed: %s\n", STRERROR (errno)); #endif goto free_and_fail; } if ( (0 > SETSOCKOPT (socket_fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on))) && (0 != (flags & MHD_USE_DEBUG)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "setsockopt failed: %s\n", STRERROR (errno)); #endif } /* check for user supplied sockaddr */ #if HAVE_INET6 if (0 != (flags & MHD_USE_IPv6)) addrlen = sizeof (struct sockaddr_in6); else #endif addrlen = sizeof (struct sockaddr_in); if (NULL == servaddr) { #if HAVE_INET6 if (0 != (flags & MHD_USE_IPv6)) { memset (&servaddr6, 0, sizeof (struct sockaddr_in6)); servaddr6.sin6_family = AF_INET6; servaddr6.sin6_port = htons (port); #if HAVE_SOCKADDR_IN_SIN_LEN servaddr6.sin6_len = sizeof (struct sockaddr_in6); #endif servaddr = (struct sockaddr *) &servaddr6; } else #endif { memset (&servaddr4, 0, sizeof (struct sockaddr_in)); servaddr4.sin_family = AF_INET; servaddr4.sin_port = htons (port); #if HAVE_SOCKADDR_IN_SIN_LEN servaddr4.sin_len = sizeof (struct sockaddr_in); #endif servaddr = (struct sockaddr *) &servaddr4; } } daemon->socket_fd = socket_fd; if ( (0 != (flags & MHD_USE_IPv6)) && (MHD_USE_DUAL_STACK != (flags & MHD_USE_DUAL_STACK)) ) { #ifdef IPPROTO_IPV6 #ifdef IPV6_V6ONLY /* Note: "IPV6_V6ONLY" is declared by Windows Vista ff., see "IPPROTO_IPV6 Socket Options" (http://msdn.microsoft.com/en-us/library/ms738574%28v=VS.85%29.aspx); and may also be missing on older POSIX systems; good luck if you have any of those, your IPv6 socket may then also bind against IPv4 anyway... */ #ifndef WINDOWS const int on = 1; #else const char on = 1; #endif if ( (0 > SETSOCKOPT (socket_fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on))) && (0 != (flags & MHD_USE_DEBUG)) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "setsockopt failed: %s\n", STRERROR (errno)); #endif } #endif #endif } if (-1 == BIND (socket_fd, servaddr, addrlen)) { #if HAVE_MESSAGES if (0 != (flags & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Failed to bind to port %u: %s\n", (unsigned int) port, STRERROR (errno)); #endif if (0 != CLOSE (socket_fd)) MHD_PANIC ("close failed\n"); goto free_and_fail; } #if EPOLL_SUPPORT if (0 != (flags & MHD_USE_EPOLL_LINUX_ONLY)) { int sk_flags = fcntl (socket_fd, F_GETFL); if (0 != fcntl (socket_fd, F_SETFL, sk_flags | O_NONBLOCK)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to make listen socket non-blocking: %s\n", STRERROR (errno)); #endif if (0 != CLOSE (socket_fd)) MHD_PANIC ("close failed\n"); goto free_and_fail; } } #endif if (LISTEN (socket_fd, 32) < 0) { #if HAVE_MESSAGES if (0 != (flags & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Failed to listen for connections: %s\n", STRERROR (errno)); #endif if (0 != CLOSE (socket_fd)) MHD_PANIC ("close failed\n"); goto free_and_fail; } } else { socket_fd = daemon->socket_fd; } #ifndef WINDOWS if ( (socket_fd >= FD_SETSIZE) && (0 == (flags & (MHD_USE_POLL | MHD_USE_EPOLL_LINUX_ONLY)) ) ) { #if HAVE_MESSAGES if ((flags & MHD_USE_DEBUG) != 0) MHD_DLOG (daemon, "Socket descriptor larger than FD_SETSIZE: %d > %d\n", socket_fd, FD_SETSIZE); #endif if (0 != CLOSE (socket_fd)) MHD_PANIC ("close failed\n"); goto free_and_fail; } #endif if (0 != pthread_mutex_init (&daemon->per_ip_connection_mutex, NULL)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD failed to initialize IP connection limit mutex\n"); #endif if ( (-1 != socket_fd) && (0 != CLOSE (socket_fd)) ) MHD_PANIC ("close failed\n"); goto free_and_fail; } if (0 != pthread_mutex_init (&daemon->cleanup_connection_mutex, NULL)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD failed to initialize IP connection limit mutex\n"); #endif pthread_mutex_destroy (&daemon->cleanup_connection_mutex); if ( (-1 != socket_fd) && (0 != CLOSE (socket_fd)) ) MHD_PANIC ("close failed\n"); goto free_and_fail; } #if HTTPS_SUPPORT /* initialize HTTPS daemon certificate aspects & send / recv functions */ if ((0 != (flags & MHD_USE_SSL)) && (0 != MHD_TLS_init (daemon))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to initialize TLS support\n"); #endif if ( (-1 != socket_fd) && (0 != CLOSE (socket_fd)) ) MHD_PANIC ("close failed\n"); pthread_mutex_destroy (&daemon->cleanup_connection_mutex); pthread_mutex_destroy (&daemon->per_ip_connection_mutex); goto free_and_fail; } #endif if ( ( (0 != (flags & MHD_USE_THREAD_PER_CONNECTION)) || ( (0 != (flags & MHD_USE_SELECT_INTERNALLY)) && (0 == daemon->worker_pool_size)) ) && (0 == (daemon->options & MHD_USE_NO_LISTEN_SOCKET)) && (0 != (res_thread_create = create_thread (&daemon->pid, daemon, &MHD_select_thread, daemon)))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to create listen thread: %s\n", STRERROR (res_thread_create)); #endif pthread_mutex_destroy (&daemon->cleanup_connection_mutex); pthread_mutex_destroy (&daemon->per_ip_connection_mutex); if ( (-1 != socket_fd) && (0 != CLOSE (socket_fd)) ) MHD_PANIC ("close failed\n"); goto free_and_fail; } if ( (daemon->worker_pool_size > 0) && (0 == (daemon->options & MHD_USE_NO_LISTEN_SOCKET)) ) { #ifndef MINGW int sk_flags; #else unsigned long sk_flags; #endif /* Coarse-grained count of connections per thread (note error * due to integer division). Also keep track of how many * connections are leftover after an equal split. */ unsigned int conns_per_thread = daemon->max_connections / daemon->worker_pool_size; unsigned int leftover_conns = daemon->max_connections % daemon->worker_pool_size; i = 0; /* we need this in case fcntl or malloc fails */ /* Accept must be non-blocking. Multiple children may wake up * to handle a new connection, but only one will win the race. * The others must immediately return. */ #ifndef MINGW sk_flags = fcntl (socket_fd, F_GETFL); if (sk_flags < 0) goto thread_failed; if (0 != fcntl (socket_fd, F_SETFL, sk_flags | O_NONBLOCK)) goto thread_failed; #else sk_flags = 1; #if HAVE_PLIBC_FD if (SOCKET_ERROR == ioctlsocket (plibc_fd_get_handle (socket_fd), FIONBIO, &sk_flags)) goto thread_failed; #else if (ioctlsocket (socket_fd, FIONBIO, &sk_flags) == SOCKET_ERROR) goto thread_failed; #endif // PLIBC_FD #endif // MINGW /* Allocate memory for pooled objects */ daemon->worker_pool = malloc (sizeof (struct MHD_Daemon) * daemon->worker_pool_size); if (NULL == daemon->worker_pool) goto thread_failed; /* Start the workers in the pool */ for (i = 0; i < daemon->worker_pool_size; ++i) { /* Create copy of the Daemon object for each worker */ struct MHD_Daemon *d = &daemon->worker_pool[i]; memcpy (d, daemon, sizeof (struct MHD_Daemon)); /* Adjust pooling params for worker daemons; note that memcpy() has already copied MHD_USE_SELECT_INTERNALLY thread model into the worker threads. */ d->master = daemon; d->worker_pool_size = 0; d->worker_pool = NULL; if ( (MHD_USE_SUSPEND_RESUME == (flags & MHD_USE_SUSPEND_RESUME)) && #ifdef WINDOWS (0 != SOCKETPAIR (AF_INET, SOCK_STREAM, IPPROTO_TCP, d->wpipe)) #else (0 != PIPE (d->wpipe)) #endif ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to create worker control pipe: %s\n", STRERROR (errno)); #endif goto thread_failed; } #ifndef WINDOWS if ( (0 == (flags & MHD_USE_POLL)) && (MHD_USE_SUSPEND_RESUME == (flags & MHD_USE_SUSPEND_RESUME)) && (d->wpipe[0] >= FD_SETSIZE) ) { #if HAVE_MESSAGES MHD_DLOG (daemon, "file descriptor for worker control pipe exceeds maximum value\n"); #endif if (0 != CLOSE (d->wpipe[0])) MHD_PANIC ("close failed\n"); if (0 != CLOSE (d->wpipe[1])) MHD_PANIC ("close failed\n"); goto thread_failed; } #endif /* Divide available connections evenly amongst the threads. * Thread indexes in [0, leftover_conns) each get one of the * leftover connections. */ d->max_connections = conns_per_thread; if (i < leftover_conns) ++d->max_connections; #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (MHD_YES != setup_epoll_to_listen (d)) ) goto thread_failed; #endif /* Must init cleanup connection mutex for each worker */ if (0 != pthread_mutex_init (&d->cleanup_connection_mutex, NULL)) { #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD failed to initialize cleanup connection mutex for thread worker %d\n", i); #endif goto thread_failed; } /* Spawn the worker thread */ if (0 != (res_thread_create = create_thread (&d->pid, daemon, &MHD_select_thread, d))) { #if HAVE_MESSAGES MHD_DLOG (daemon, "Failed to create pool thread: %s\n", STRERROR (res_thread_create)); #endif /* Free memory for this worker; cleanup below handles * all previously-created workers. */ pthread_mutex_destroy (&d->cleanup_connection_mutex); goto thread_failed; } } } return daemon; thread_failed: /* If no worker threads created, then shut down normally. Calling MHD_stop_daemon (as we do below) doesn't work here since it assumes a 0-sized thread pool means we had been in the default MHD_USE_SELECT_INTERNALLY mode. */ if (0 == i) { if ( (-1 != socket_fd) && (0 != CLOSE (socket_fd)) ) MHD_PANIC ("close failed\n"); pthread_mutex_destroy (&daemon->cleanup_connection_mutex); pthread_mutex_destroy (&daemon->per_ip_connection_mutex); if (NULL != daemon->worker_pool) free (daemon->worker_pool); goto free_and_fail; } /* Shutdown worker threads we've already created. Pretend as though we had fully initialized our daemon, but with a smaller number of threads than had been requested. */ daemon->worker_pool_size = i - 1; MHD_stop_daemon (daemon); return NULL; free_and_fail: /* clean up basic memory state in 'daemon' and return NULL to indicate failure */ #if EPOLL_SUPPORT if (-1 != daemon->epoll_fd) close (daemon->epoll_fd); #endif #ifdef DAUTH_SUPPORT free (daemon->nnc); pthread_mutex_destroy (&daemon->nnc_lock); #endif #if HTTPS_SUPPORT if (0 != (flags & MHD_USE_SSL)) gnutls_priority_deinit (daemon->priority_cache); #endif free (daemon); return NULL; } /** * Close the given connection, remove it from all of its * DLLs and move it into the cleanup queue. * * @param pos connection to move to cleanup */ static void close_connection (struct MHD_Connection *pos) { struct MHD_Daemon *daemon = pos->daemon; MHD_connection_close (pos, MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN); if (pos->connection_timeout == pos->daemon->connection_timeout) XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, pos); else XDLL_remove (daemon->manual_timeout_head, daemon->manual_timeout_tail, pos); DLL_remove (daemon->connections_head, daemon->connections_tail, pos); pos->event_loop_info = MHD_EVENT_LOOP_INFO_CLEANUP; DLL_insert (daemon->cleanup_head, daemon->cleanup_tail, pos); } /** * Close all connections for the daemon; must only be called after * all of the threads have been joined and there is no more concurrent * activity on the connection lists. * * @param daemon daemon to close down */ static void close_all_connections (struct MHD_Daemon *daemon) { struct MHD_Connection *pos; void *unused; int rc; /* first, make sure all threads are aware of shutdown; need to traverse DLLs in peace... */ if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); for (pos = daemon->connections_head; NULL != pos; pos = pos->nextX) SHUTDOWN (pos->socket_fd, (pos->read_closed == MHD_YES) ? SHUT_WR : SHUT_RDWR); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); /* now, collect threads from thread pool */ if (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) { while (NULL != (pos = daemon->connections_head)) { if (0 != (rc = pthread_join (pos->pid, &unused))) MHD_PANIC ("Failed to join a thread\n"); pos->thread_joined = MHD_YES; } } /* now that we're alone, move everyone to cleanup */ while (NULL != (pos = daemon->connections_head)) close_connection (pos); MHD_cleanup_connections (daemon); } #if EPOLL_SUPPORT /** * Shutdown epoll()-event loop by adding 'wpipe' to its event set. * * @param daemon daemon of which the epoll() instance must be signalled */ static void epoll_shutdown (struct MHD_Daemon *daemon) { struct epoll_event event; if (-1 == daemon->wpipe[1]) { /* wpipe was required in this mode, how could this happen? */ MHD_PANIC ("Internal error\n"); } event.events = EPOLLOUT; event.data.ptr = NULL; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, daemon->wpipe[1], &event)) MHD_PANIC ("Failed to add wpipe to epoll set to signal termination\n"); } #endif /** * Shutdown an HTTP daemon. * * @param daemon daemon to stop * @ingroup event */ void MHD_stop_daemon (struct MHD_Daemon *daemon) { void *unused; int fd; unsigned int i; int rc; if (NULL == daemon) return; daemon->shutdown = MHD_YES; fd = daemon->socket_fd; daemon->socket_fd = -1; /* Prepare workers for shutdown */ if (NULL != daemon->worker_pool) { /* MHD_USE_NO_LISTEN_SOCKET disables thread pools, hence we need to check */ for (i = 0; i < daemon->worker_pool_size; ++i) { daemon->worker_pool[i].shutdown = MHD_YES; daemon->worker_pool[i].socket_fd = -1; #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->worker_pool[i].epoll_fd) && (-1 == fd) ) epoll_shutdown (&daemon->worker_pool[i]); #endif } } if (-1 != daemon->wpipe[1]) { if (1 != WRITE (daemon->wpipe[1], "e", 1)) MHD_PANIC ("failed to signal shutdown via pipe"); } #ifdef HAVE_LISTEN_SHUTDOWN else { /* fd might be -1 here due to 'MHD_quiesce_daemon' */ if (-1 != fd) (void) SHUTDOWN (fd, SHUT_RDWR); } #endif #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->epoll_fd) && (-1 == fd) ) epoll_shutdown (daemon); #endif #if DEBUG_CLOSE #if HAVE_MESSAGES MHD_DLOG (daemon, "MHD listen socket shutdown\n"); #endif #endif /* Signal workers to stop and clean them up */ if (NULL != daemon->worker_pool) { /* MHD_USE_NO_LISTEN_SOCKET disables thread pools, hence we need to check */ for (i = 0; i < daemon->worker_pool_size; ++i) { if (-1 != daemon->worker_pool[i].wpipe[1]) { if (1 != WRITE (daemon->worker_pool[i].wpipe[1], "e", 1)) MHD_PANIC ("failed to signal shutdown via pipe"); } if (0 != (rc = pthread_join (daemon->worker_pool[i].pid, &unused))) MHD_PANIC ("Failed to join a thread\n"); close_all_connections (&daemon->worker_pool[i]); pthread_mutex_destroy (&daemon->worker_pool[i].cleanup_connection_mutex); #if EPOLL_SUPPORT if ( (-1 != daemon->worker_pool[i].epoll_fd) && (0 != CLOSE (daemon->worker_pool[i].epoll_fd)) ) MHD_PANIC ("close failed\n"); #endif if ( (MHD_USE_SUSPEND_RESUME == (daemon->options & MHD_USE_SUSPEND_RESUME)) ) { if (-1 != daemon->worker_pool[i].wpipe[1]) { if (0 != CLOSE (daemon->worker_pool[i].wpipe[0])) MHD_PANIC ("close failed\n"); if (0 != CLOSE (daemon->worker_pool[i].wpipe[1])) MHD_PANIC ("close failed\n"); } } } free (daemon->worker_pool); } else { /* clean up master threads */ if ((0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) || ((0 != (daemon->options & MHD_USE_SELECT_INTERNALLY)) && (0 == daemon->worker_pool_size))) { if (0 != (rc = pthread_join (daemon->pid, &unused))) { MHD_PANIC ("Failed to join a thread\n"); } } } close_all_connections (daemon); if ( (-1 != fd) && (0 != CLOSE (fd)) ) MHD_PANIC ("close failed\n"); /* TLS clean up */ #if HTTPS_SUPPORT if (0 != (daemon->options & MHD_USE_SSL)) { gnutls_priority_deinit (daemon->priority_cache); if (daemon->x509_cred) gnutls_certificate_free_credentials (daemon->x509_cred); } #endif #if EPOLL_SUPPORT if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (-1 != daemon->epoll_fd) && (0 != CLOSE (daemon->epoll_fd)) ) MHD_PANIC ("close failed\n"); #endif #ifdef DAUTH_SUPPORT free (daemon->nnc); pthread_mutex_destroy (&daemon->nnc_lock); #endif pthread_mutex_destroy (&daemon->per_ip_connection_mutex); pthread_mutex_destroy (&daemon->cleanup_connection_mutex); if (-1 != daemon->wpipe[1]) { if (0 != CLOSE (daemon->wpipe[0])) MHD_PANIC ("close failed\n"); if (0 != CLOSE (daemon->wpipe[1])) MHD_PANIC ("close failed\n"); } free (daemon); } /** * Obtain information about the given daemon * (not fully implemented!). * * @param daemon what daemon to get information about * @param info_type what information is desired? * @param ... depends on @a info_type * @return NULL if this information is not available * (or if the @a info_type is unknown) * @ingroup specialized */ const union MHD_DaemonInfo * MHD_get_daemon_info (struct MHD_Daemon *daemon, enum MHD_DaemonInfoType info_type, ...) { switch (info_type) { case MHD_DAEMON_INFO_KEY_SIZE: return NULL; /* no longer supported */ case MHD_DAEMON_INFO_MAC_KEY_SIZE: return NULL; /* no longer supported */ case MHD_DAEMON_INFO_LISTEN_FD: return (const union MHD_DaemonInfo *) &daemon->socket_fd; #if EPOLL_SUPPORT case MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY: return (const union MHD_DaemonInfo *) &daemon->epoll_fd; #endif default: return NULL; }; } /** * Sets the global error handler to a different implementation. @a cb * will only be called in the case of typically fatal, serious * internal consistency issues. These issues should only arise in the * case of serious memory corruption or similar problems with the * architecture. While @a cb is allowed to return and MHD will then * try to continue, this is never safe. * * The default implementation that is used if no panic function is set * simply prints an error message and calls `abort()`. Alternative * implementations might call `exit()` or other similar functions. * * @param cb new error handler * @param cls passed to @a cb * @ingroup logging */ void MHD_set_panic_func (MHD_PanicCallback cb, void *cls) { mhd_panic = cb; mhd_panic_cls = cls; } /** * Obtain the version of this library * * @return static version string, e.g. "0.9.9" * @ingroup specialized */ const char * MHD_get_version (void) { return PACKAGE_VERSION; } #ifdef __GNUC__ #define ATTRIBUTE_CONSTRUCTOR __attribute__ ((constructor)) #define ATTRIBUTE_DESTRUCTOR __attribute__ ((destructor)) #else // !__GNUC__ #define ATTRIBUTE_CONSTRUCTOR #define ATTRIBUTE_DESTRUCTOR #endif // __GNUC__ #if HTTPS_SUPPORT #if GCRYPT_VERSION_NUMBER < 0x010600 GCRY_THREAD_OPTION_PTHREAD_IMPL; #endif #endif /** * Initialize do setup work. */ void ATTRIBUTE_CONSTRUCTOR MHD_init () { mhd_panic = &mhd_panic_std; mhd_panic_cls = NULL; #ifdef WINDOWS plibc_init ("GNU", "libmicrohttpd"); #endif #if HTTPS_SUPPORT #if GCRYPT_VERSION_NUMBER < 0x010600 gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); #endif gcry_check_version (NULL); gnutls_global_init (); #endif } void ATTRIBUTE_DESTRUCTOR MHD_fini () { #if HTTPS_SUPPORT gnutls_global_deinit (); #endif #ifdef WINDOWS plibc_shutdown (); #endif } /* end of daemon.c */ libmicrohttpd-0.9.33/src/microhttpd/basicauth.c0000644000175000017500000000755212207153131016452 00000000000000/* This file is part of libmicrohttpd (C) 2010, 2011, 2012 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file basicauth.c * @brief Implements HTTP basic authentication methods * @author Amr Ali * @author Matthieu Speder */ #include "platform.h" #include #include "internal.h" #include "base64.h" /** * Beginning string for any valid Basic authentication header. */ #define _BASIC_BASE "Basic " /** * Get the username and password from the basic authorization header sent by the client * * @param connection The MHD connection structure * @param password a pointer for the password * @return NULL if no username could be found, a pointer * to the username if found * @ingroup authentication */ char * MHD_basic_auth_get_username_password (struct MHD_Connection *connection, char** password) { const char *header; char *decode; const char *separator; char *user; if ( (NULL == (header = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_AUTHORIZATION))) || (0 != strncmp (header, _BASIC_BASE, strlen(_BASIC_BASE))) ) return NULL; header += strlen (_BASIC_BASE); if (NULL == (decode = BASE64Decode (header))) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Error decoding basic authentication\n"); #endif return NULL; } /* Find user:password pattern */ if (NULL == (separator = strchr (decode, ':'))) { #if HAVE_MESSAGES MHD_DLOG(connection->daemon, "Basic authentication doesn't contain ':' separator\n"); #endif free (decode); return NULL; } if (NULL == (user = strdup (decode))) { free (decode); return NULL; } user[separator - decode] = '\0'; /* cut off at ':' */ if (NULL != password) { *password = strdup (separator + 1); if (NULL == *password) { #if HAVE_MESSAGES MHD_DLOG(connection->daemon, "Failed to allocate memory for password\n"); #endif free (decode); free (user); return NULL; } } free (decode); return user; } /** * Queues a response to request basic authentication from the client. * The given response object is expected to include the payload for * the response; the "WWW-Authenticate" header will be added and the * response queued with the 'UNAUTHORIZED' status code. * * @param connection The MHD connection structure * @param realm the realm presented to the client * @param response response object to modify and queue * @return #MHD_YES on success, #MHD_NO otherwise * @ingroup authentication */ int MHD_queue_basic_auth_fail_response (struct MHD_Connection *connection, const char *realm, struct MHD_Response *response) { int ret; size_t hlen = strlen(realm) + strlen("Basic realm=\"\"") + 1; char header[hlen]; snprintf (header, sizeof (header), "Basic realm=\"%s\"", realm); ret = MHD_add_response_header (response, MHD_HTTP_HEADER_WWW_AUTHENTICATE, header); if (MHD_YES == ret) ret = MHD_queue_response (connection, MHD_HTTP_UNAUTHORIZED, response); return ret; } /* end of basicauth.c */ libmicrohttpd-0.9.33/src/microhttpd/postprocessor.c0000644000175000017500000010521512245576725017453 00000000000000/* This file is part of libmicrohttpd (C) 2007-2013 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file postprocessor.c * @brief Methods for parsing POST data * @author Christian Grothoff */ #include "internal.h" /** * Size of on-stack buffer that we use for un-escaping of the value. * We use a pretty small value to be nice to the stack on embedded * systems. */ #define XBUF_SIZE 512 /** * States in the PP parser's state machine. */ enum PP_State { /* general states */ PP_Error, PP_Done, PP_Init, PP_NextBoundary, /* url encoding-states */ PP_ProcessValue, PP_ExpectNewLine, /* post encoding-states */ PP_ProcessEntryHeaders, PP_PerformCheckMultipart, PP_ProcessValueToBoundary, PP_PerformCleanup, /* nested post-encoding states */ PP_Nested_Init, PP_Nested_PerformMarking, PP_Nested_ProcessEntryHeaders, PP_Nested_ProcessValueToBoundary, PP_Nested_PerformCleanup }; enum RN_State { /** * No RN-preprocessing in this state. */ RN_Inactive = 0, /** * If the next character is CR, skip it. Otherwise, * just go inactive. */ RN_OptN = 1, /** * Expect LFCR (and only LFCR). As always, we also * expect only LF or only CR. */ RN_Full = 2, /** * Expect either LFCR or '--'LFCR. If '--'LFCR, transition into dash-state * for the main state machine */ RN_Dash = 3, /** * Got a single dash, expect second dash. */ RN_Dash2 = 4 }; /** * Bits for the globally known fields that * should not be deleted when we exit the * nested state. */ enum NE_State { NE_none = 0, NE_content_name = 1, NE_content_type = 2, NE_content_filename = 4, NE_content_transfer_encoding = 8 }; /** * Internal state of the post-processor. Note that the fields * are sorted by type to enable optimal packing by the compiler. */ struct MHD_PostProcessor { /** * The connection for which we are doing * POST processing. */ struct MHD_Connection *connection; /** * Function to call with POST data. */ MHD_PostDataIterator ikvi; /** * Extra argument to ikvi. */ void *cls; /** * Encoding as given by the headers of the * connection. */ const char *encoding; /** * Primary boundary (points into encoding string) */ const char *boundary; /** * Nested boundary (if we have multipart/mixed encoding). */ char *nested_boundary; /** * Pointer to the name given in disposition. */ char *content_name; /** * Pointer to the (current) content type. */ char *content_type; /** * Pointer to the (current) filename. */ char *content_filename; /** * Pointer to the (current) encoding. */ char *content_transfer_encoding; /** * Unprocessed value bytes due to escape * sequences (URL-encoding only). */ char xbuf[8]; /** * Size of our buffer for the key. */ size_t buffer_size; /** * Current position in the key buffer. */ size_t buffer_pos; /** * Current position in xbuf. */ size_t xbuf_pos; /** * Current offset in the value being processed. */ uint64_t value_offset; /** * strlen(boundary) -- if boundary != NULL. */ size_t blen; /** * strlen(nested_boundary) -- if nested_boundary != NULL. */ size_t nlen; /** * Do we have to call the 'ikvi' callback when processing the * multipart post body even if the size of the payload is zero? * Set to #MHD_YES whenever we parse a new multiparty entry header, * and to #MHD_NO the first time we call the 'ikvi' callback. * Used to ensure that we do always call 'ikvi' even if the * payload is empty (but not more than once). */ int must_ikvi; /** * State of the parser. */ enum PP_State state; /** * Side-state-machine: skip LRCR (or just LF). * Set to 0 if we are not in skip mode. Set to 2 * if a LFCR is expected, set to 1 if a CR should * be skipped if it is the next character. */ enum RN_State skip_rn; /** * If we are in skip_rn with "dash" mode and * do find 2 dashes, what state do we go into? */ enum PP_State dash_state; /** * Which headers are global? (used to tell which * headers were only valid for the nested multipart). */ enum NE_State have; }; /** * Create a `struct MHD_PostProcessor`. * * A `struct MHD_PostProcessor` can be used to (incrementally) parse * the data portion of a POST request. Note that some buggy browsers * fail to set the encoding type. If you want to support those, you * may have to call #MHD_set_connection_value with the proper encoding * type before creating a post processor (if no supported encoding * type is set, this function will fail). * * @param connection the connection on which the POST is * happening (used to determine the POST format) * @param buffer_size maximum number of bytes to use for * internal buffering (used only for the parsing, * specifically the parsing of the keys). A * tiny value (256-1024) should be sufficient. * Do NOT use a value smaller than 256. For good * performance, use 32 or 64k (i.e. 65536). * @param iter iterator to be called with the parsed data, * Must NOT be NULL. * @param iter_cls first argument to @a iter * @return NULL on error (out of memory, unsupported encoding), * otherwise a PP handle * @ingroup request */ struct MHD_PostProcessor * MHD_create_post_processor (struct MHD_Connection *connection, size_t buffer_size, MHD_PostDataIterator iter, void *iter_cls) { struct MHD_PostProcessor *ret; const char *encoding; const char *boundary; size_t blen; if ((buffer_size < 256) || (connection == NULL) || (iter == NULL)) mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL); encoding = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_TYPE); if (encoding == NULL) return NULL; boundary = NULL; if (0 != strncasecmp (MHD_HTTP_POST_ENCODING_FORM_URLENCODED, encoding, strlen (MHD_HTTP_POST_ENCODING_FORM_URLENCODED))) { if (0 != strncasecmp (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA, encoding, strlen (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA))) return NULL; boundary = &encoding[strlen (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA)]; /* Q: should this be "strcasestr"? */ boundary = strstr (boundary, "boundary="); if (NULL == boundary) return NULL; /* failed to determine boundary */ boundary += strlen ("boundary="); blen = strlen (boundary); if ((blen == 0) || (blen * 2 + 2 > buffer_size)) return NULL; /* (will be) out of memory or invalid boundary */ if ( (boundary[0] == '"') && (boundary[blen - 1] == '"') ) { /* remove enclosing quotes */ ++boundary; blen -= 2; } } else blen = 0; buffer_size += 4; /* round up to get nice block sizes despite boundary search */ /* add +1 to ensure we ALWAYS have a zero-termination at the end */ if (NULL == (ret = malloc (sizeof (struct MHD_PostProcessor) + buffer_size + 1))) return NULL; memset (ret, 0, sizeof (struct MHD_PostProcessor) + buffer_size + 1); ret->connection = connection; ret->ikvi = iter; ret->cls = iter_cls; ret->encoding = encoding; ret->buffer_size = buffer_size; ret->state = PP_Init; ret->blen = blen; ret->boundary = boundary; ret->skip_rn = RN_Inactive; return ret; } /** * Process url-encoded POST data. * * @param pp post processor context * @param post_data upload data * @param post_data_len number of bytes in @a post_data * @return #MHD_YES on success, #MHD_NO if there was an error processing the data */ static int post_process_urlencoded (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len) { size_t equals; size_t amper; size_t poff; size_t xoff; size_t delta; int end_of_value_found; char *buf; char xbuf[XBUF_SIZE + 1]; buf = (char *) &pp[1]; poff = 0; while (poff < post_data_len) { switch (pp->state) { case PP_Error: return MHD_NO; case PP_Done: /* did not expect to receive more data */ pp->state = PP_Error; return MHD_NO; case PP_Init: equals = 0; while ((equals + poff < post_data_len) && (post_data[equals + poff] != '=')) equals++; if (equals + pp->buffer_pos > pp->buffer_size) { pp->state = PP_Error; /* out of memory */ return MHD_NO; } memcpy (&buf[pp->buffer_pos], &post_data[poff], equals); pp->buffer_pos += equals; if (equals + poff == post_data_len) return MHD_YES; /* no '=' yet */ buf[pp->buffer_pos] = '\0'; /* 0-terminate key */ pp->buffer_pos = 0; /* reset for next key */ MHD_http_unescape (NULL, NULL, buf); poff += equals + 1; pp->state = PP_ProcessValue; pp->value_offset = 0; break; case PP_ProcessValue: /* obtain rest of value from previous iteration */ memcpy (xbuf, pp->xbuf, pp->xbuf_pos); xoff = pp->xbuf_pos; pp->xbuf_pos = 0; /* find last position in input buffer that is part of the value */ amper = 0; while ((amper + poff < post_data_len) && (amper < XBUF_SIZE) && (post_data[amper + poff] != '&') && (post_data[amper + poff] != '\n') && (post_data[amper + poff] != '\r')) amper++; end_of_value_found = ((amper + poff < post_data_len) && ((post_data[amper + poff] == '&') || (post_data[amper + poff] == '\n') || (post_data[amper + poff] == '\r'))); /* compute delta, the maximum number of bytes that we will be able to process right now (either amper-limited of xbuf-size limited) */ delta = amper; if (delta > XBUF_SIZE - xoff) delta = XBUF_SIZE - xoff; /* move input into processing buffer */ memcpy (&xbuf[xoff], &post_data[poff], delta); xoff += delta; poff += delta; /* find if escape sequence is at the end of the processing buffer; if so, exclude those from processing (reduce delta to point at end of processed region) */ delta = xoff; if ((delta > 0) && (xbuf[delta - 1] == '%')) delta--; else if ((delta > 1) && (xbuf[delta - 2] == '%')) delta -= 2; /* if we have an incomplete escape sequence, save it to pp->xbuf for later */ if (delta < xoff) { memcpy (pp->xbuf, &xbuf[delta], xoff - delta); pp->xbuf_pos = xoff - delta; xoff = delta; } /* If we have nothing to do (delta == 0) and not just because the value is empty (are waiting for more data), go for next iteration */ if ((xoff == 0) && (poff == post_data_len)) continue; /* unescape */ xbuf[xoff] = '\0'; /* 0-terminate in preparation */ xoff = MHD_http_unescape (NULL, NULL, xbuf); /* finally: call application! */ pp->must_ikvi = MHD_NO; if (MHD_NO == pp->ikvi (pp->cls, MHD_POSTDATA_KIND, (const char *) &pp[1], /* key */ NULL, NULL, NULL, xbuf, pp->value_offset, xoff)) { pp->state = PP_Error; return MHD_NO; } pp->value_offset += xoff; /* are we done with the value? */ if (end_of_value_found) { /* we found the end of the value! */ if ((post_data[poff] == '\n') || (post_data[poff] == '\r')) { pp->state = PP_ExpectNewLine; } else if (post_data[poff] == '&') { poff++; /* skip '&' */ pp->state = PP_Init; } } break; case PP_ExpectNewLine: if ((post_data[poff] == '\n') || (post_data[poff] == '\r')) { poff++; /* we are done, report error if we receive any more... */ pp->state = PP_Done; return MHD_YES; } return MHD_NO; default: mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL); /* should never happen! */ } } return MHD_YES; } /** * If the given line matches the prefix, strdup the * rest of the line into the suffix ptr. * * @param prefix prefix to match * @param line line to match prefix in * @param suffix set to a copy of the rest of the line, starting at the end of the match * @return #MHD_YES if there was a match, #MHD_NO if not */ static int try_match_header (const char *prefix, char *line, char **suffix) { if (NULL != *suffix) return MHD_NO; while (*line != 0) { if (0 == strncasecmp (prefix, line, strlen (prefix))) { *suffix = strdup (&line[strlen (prefix)]); return MHD_YES; } ++line; } return MHD_NO; } /** * * @param pp post processor context * @param boundary boundary to look for * @param blen number of bytes in boundary * @param ioffptr set to the end of the boundary if found, * otherwise incremented by one (FIXME: quirky API!) * @param next_state state to which we should advance the post processor * if the boundary is found * @param next_dash_state dash_state to which we should advance the * post processor if the boundary is found * @return #MHD_NO if the boundary is not found, #MHD_YES if we did find it */ static int find_boundary (struct MHD_PostProcessor *pp, const char *boundary, size_t blen, size_t *ioffptr, enum PP_State next_state, enum PP_State next_dash_state) { char *buf = (char *) &pp[1]; const char *dash; if (pp->buffer_pos < 2 + blen) { if (pp->buffer_pos == pp->buffer_size) pp->state = PP_Error; /* out of memory */ // ++(*ioffptr); return MHD_NO; /* not enough data */ } if ((0 != memcmp ("--", buf, 2)) || (0 != memcmp (&buf[2], boundary, blen))) { if (pp->state != PP_Init) { /* garbage not allowed */ pp->state = PP_Error; } else { /* skip over garbage (RFC 2046, 5.1.1) */ dash = memchr (buf, '-', pp->buffer_pos); if (NULL == dash) (*ioffptr) += pp->buffer_pos; /* skip entire buffer */ else if (dash == buf) (*ioffptr)++; /* at least skip one byte */ else (*ioffptr) += dash - buf; /* skip to first possible boundary */ } return MHD_NO; /* expected boundary */ } /* remove boundary from buffer */ (*ioffptr) += 2 + blen; /* next: start with headers */ pp->skip_rn = RN_Dash; pp->state = next_state; pp->dash_state = next_dash_state; return MHD_YES; } /** * In buf, there maybe an expression '$key="$value"'. If that is the * case, copy a copy of $value to destination. * * If destination is already non-NULL, do nothing. */ static void try_get_value (const char *buf, const char *key, char **destination) { const char *spos; const char *bpos; const char *endv; size_t klen; size_t vlen; if (NULL != *destination) return; bpos = buf; klen = strlen (key); while (NULL != (spos = strstr (bpos, key))) { if ((spos[klen] != '=') || ((spos != buf) && (spos[-1] != ' '))) { /* no match */ bpos = spos + 1; continue; } if (spos[klen + 1] != '"') return; /* not quoted */ if (NULL == (endv = strchr (&spos[klen + 2], '\"'))) return; /* no end-quote */ vlen = endv - spos - klen - 1; *destination = malloc (vlen); if (NULL == *destination) return; /* out of memory */ (*destination)[vlen - 1] = '\0'; memcpy (*destination, &spos[klen + 2], vlen - 1); return; /* success */ } } /** * Go over the headers of the part and update * the fields in "pp" according to what we find. * If we are at the end of the headers (as indicated * by an empty line), transition into next_state. * * @param pp post processor context * @param ioffptr set to how many bytes have been * processed * @param next_state state to which the post processor should * be advanced if we find the end of the headers * @return #MHD_YES if we can continue processing, * #MHD_NO on error or if we do not have * enough data yet */ static int process_multipart_headers (struct MHD_PostProcessor *pp, size_t *ioffptr, enum PP_State next_state) { char *buf = (char *) &pp[1]; size_t newline; newline = 0; while ((newline < pp->buffer_pos) && (buf[newline] != '\r') && (buf[newline] != '\n')) newline++; if (newline == pp->buffer_size) { pp->state = PP_Error; return MHD_NO; /* out of memory */ } if (newline == pp->buffer_pos) return MHD_NO; /* will need more data */ if (0 == newline) { /* empty line - end of headers */ pp->skip_rn = RN_Full; pp->state = next_state; return MHD_YES; } /* got an actual header */ if (buf[newline] == '\r') pp->skip_rn = RN_OptN; buf[newline] = '\0'; if (0 == strncasecmp ("Content-disposition: ", buf, strlen ("Content-disposition: "))) { try_get_value (&buf[strlen ("Content-disposition: ")], "name", &pp->content_name); try_get_value (&buf[strlen ("Content-disposition: ")], "filename", &pp->content_filename); } else { try_match_header ("Content-type: ", buf, &pp->content_type); try_match_header ("Content-Transfer-Encoding: ", buf, &pp->content_transfer_encoding); } (*ioffptr) += newline + 1; return MHD_YES; } /** * We have the value until we hit the given boundary; * process accordingly. * * @param pp post processor context * @param ioffptr incremented based on the number of bytes processed * @param boundary the boundary to look for * @param blen strlen(boundary) * @param next_state what state to go into after the * boundary was found * @param next_dash_state state to go into if the next * boundary ends with "--" * @return #MHD_YES if we can continue processing, * #MHD_NO on error or if we do not have * enough data yet */ static int process_value_to_boundary (struct MHD_PostProcessor *pp, size_t *ioffptr, const char *boundary, size_t blen, enum PP_State next_state, enum PP_State next_dash_state) { char *buf = (char *) &pp[1]; size_t newline; const char *r; /* all data in buf until the boundary (\r\n--+boundary) is part of the value */ newline = 0; while (1) { while (newline + 4 < pp->buffer_pos) { r = memchr (&buf[newline], '\r', pp->buffer_pos - newline - 4); if (NULL == r) { newline = pp->buffer_pos - 4; break; } newline = r - buf; if (0 == memcmp ("\r\n--", &buf[newline], 4)) break; newline++; } if (newline + pp->blen + 4 <= pp->buffer_pos) { /* can check boundary */ if (0 != memcmp (&buf[newline + 4], boundary, pp->blen)) { /* no boundary, "\r\n--" is part of content, skip */ newline += 4; continue; } else { /* boundary found, process until newline then skip boundary and go back to init */ pp->skip_rn = RN_Dash; pp->state = next_state; pp->dash_state = next_dash_state; (*ioffptr) += pp->blen + 4; /* skip boundary as well */ buf[newline] = '\0'; break; } } else { /* cannot check for boundary, process content that we have and check again later; except, if we have no content, abort (out of memory) */ if ((0 == newline) && (pp->buffer_pos == pp->buffer_size)) { pp->state = PP_Error; return MHD_NO; } break; } } /* newline is either at beginning of boundary or at least at the last character that we are sure is not part of the boundary */ if ( ( (MHD_YES == pp->must_ikvi) || (0 != newline) ) && (MHD_NO == pp->ikvi (pp->cls, MHD_POSTDATA_KIND, pp->content_name, pp->content_filename, pp->content_type, pp->content_transfer_encoding, buf, pp->value_offset, newline)) ) { pp->state = PP_Error; return MHD_NO; } pp->must_ikvi = MHD_NO; pp->value_offset += newline; (*ioffptr) += newline; return MHD_YES; } /** * * @param pp post processor context */ static void free_unmarked (struct MHD_PostProcessor *pp) { if ((NULL != pp->content_name) && (0 == (pp->have & NE_content_name))) { free (pp->content_name); pp->content_name = NULL; } if ((NULL != pp->content_type) && (0 == (pp->have & NE_content_type))) { free (pp->content_type); pp->content_type = NULL; } if ((NULL != pp->content_filename) && (0 == (pp->have & NE_content_filename))) { free (pp->content_filename); pp->content_filename = NULL; } if ((NULL != pp->content_transfer_encoding) && (0 == (pp->have & NE_content_transfer_encoding))) { free (pp->content_transfer_encoding); pp->content_transfer_encoding = NULL; } } /** * Decode multipart POST data. * * @param pp post processor context * @param post_data data to decode * @param post_data_len number of bytes in @a post_data * @return #MHD_NO on error, */ static int post_process_multipart (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len) { char *buf; size_t max; size_t ioff; size_t poff; int state_changed; buf = (char *) &pp[1]; ioff = 0; poff = 0; state_changed = 1; while ((poff < post_data_len) || ((pp->buffer_pos > 0) && (state_changed != 0))) { /* first, move as much input data as possible to our internal buffer */ max = pp->buffer_size - pp->buffer_pos; if (max > post_data_len - poff) max = post_data_len - poff; memcpy (&buf[pp->buffer_pos], &post_data[poff], max); poff += max; pp->buffer_pos += max; if ((max == 0) && (state_changed == 0) && (poff < post_data_len)) { pp->state = PP_Error; return MHD_NO; /* out of memory */ } state_changed = 0; /* first state machine for '\r'-'\n' and '--' handling */ switch (pp->skip_rn) { case RN_Inactive: break; case RN_OptN: if (buf[0] == '\n') { ioff++; pp->skip_rn = RN_Inactive; goto AGAIN; } /* fall-through! */ case RN_Dash: if (buf[0] == '-') { ioff++; pp->skip_rn = RN_Dash2; goto AGAIN; } pp->skip_rn = RN_Full; /* fall-through! */ case RN_Full: if (buf[0] == '\r') { if ((pp->buffer_pos > 1) && (buf[1] == '\n')) { pp->skip_rn = RN_Inactive; ioff += 2; } else { pp->skip_rn = RN_OptN; ioff++; } goto AGAIN; } if (buf[0] == '\n') { ioff++; pp->skip_rn = RN_Inactive; goto AGAIN; } pp->skip_rn = RN_Inactive; pp->state = PP_Error; return MHD_NO; /* no '\r\n' */ case RN_Dash2: if (buf[0] == '-') { ioff++; pp->skip_rn = RN_Full; pp->state = pp->dash_state; goto AGAIN; } pp->state = PP_Error; break; } /* main state engine */ switch (pp->state) { case PP_Error: return MHD_NO; case PP_Done: /* did not expect to receive more data */ pp->state = PP_Error; return MHD_NO; case PP_Init: /** * Per RFC2046 5.1.1 NOTE TO IMPLEMENTORS, consume anything * prior to the first multipart boundary: * * > There appears to be room for additional information prior * > to the first boundary delimiter line and following the * > final boundary delimiter line. These areas should * > generally be left blank, and implementations must ignore * > anything that appears before the first boundary delimiter * > line or after the last one. */ (void) find_boundary (pp, pp->boundary, pp->blen, &ioff, PP_ProcessEntryHeaders, PP_Done); break; case PP_NextBoundary: if (MHD_NO == find_boundary (pp, pp->boundary, pp->blen, &ioff, PP_ProcessEntryHeaders, PP_Done)) { if (pp->state == PP_Error) return MHD_NO; goto END; } break; case PP_ProcessEntryHeaders: pp->must_ikvi = MHD_YES; if (MHD_NO == process_multipart_headers (pp, &ioff, PP_PerformCheckMultipart)) { if (pp->state == PP_Error) return MHD_NO; else goto END; } state_changed = 1; break; case PP_PerformCheckMultipart: if ((pp->content_type != NULL) && (0 == strncasecmp (pp->content_type, "multipart/mixed", strlen ("multipart/mixed")))) { pp->nested_boundary = strstr (pp->content_type, "boundary="); if (pp->nested_boundary == NULL) { pp->state = PP_Error; return MHD_NO; } pp->nested_boundary = strdup (&pp->nested_boundary[strlen ("boundary=")]); if (pp->nested_boundary == NULL) { /* out of memory */ pp->state = PP_Error; return MHD_NO; } /* free old content type, we will need that field for the content type of the nested elements */ free (pp->content_type); pp->content_type = NULL; pp->nlen = strlen (pp->nested_boundary); pp->state = PP_Nested_Init; state_changed = 1; break; } pp->state = PP_ProcessValueToBoundary; pp->value_offset = 0; state_changed = 1; break; case PP_ProcessValueToBoundary: if (MHD_NO == process_value_to_boundary (pp, &ioff, pp->boundary, pp->blen, PP_PerformCleanup, PP_Done)) { if (pp->state == PP_Error) return MHD_NO; break; } break; case PP_PerformCleanup: /* clean up state of one multipart form-data element! */ pp->have = NE_none; free_unmarked (pp); if (pp->nested_boundary != NULL) { free (pp->nested_boundary); pp->nested_boundary = NULL; } pp->state = PP_ProcessEntryHeaders; state_changed = 1; break; case PP_Nested_Init: if (pp->nested_boundary == NULL) { pp->state = PP_Error; return MHD_NO; } if (MHD_NO == find_boundary (pp, pp->nested_boundary, pp->nlen, &ioff, PP_Nested_PerformMarking, PP_NextBoundary /* or PP_Error? */ )) { if (pp->state == PP_Error) return MHD_NO; goto END; } break; case PP_Nested_PerformMarking: /* remember what headers were given globally */ pp->have = NE_none; if (pp->content_name != NULL) pp->have |= NE_content_name; if (pp->content_type != NULL) pp->have |= NE_content_type; if (pp->content_filename != NULL) pp->have |= NE_content_filename; if (pp->content_transfer_encoding != NULL) pp->have |= NE_content_transfer_encoding; pp->state = PP_Nested_ProcessEntryHeaders; state_changed = 1; break; case PP_Nested_ProcessEntryHeaders: pp->value_offset = 0; if (MHD_NO == process_multipart_headers (pp, &ioff, PP_Nested_ProcessValueToBoundary)) { if (pp->state == PP_Error) return MHD_NO; else goto END; } state_changed = 1; break; case PP_Nested_ProcessValueToBoundary: if (MHD_NO == process_value_to_boundary (pp, &ioff, pp->nested_boundary, pp->nlen, PP_Nested_PerformCleanup, PP_NextBoundary)) { if (pp->state == PP_Error) return MHD_NO; break; } break; case PP_Nested_PerformCleanup: free_unmarked (pp); pp->state = PP_Nested_ProcessEntryHeaders; state_changed = 1; break; default: mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL); /* should never happen! */ } AGAIN: if (ioff > 0) { memmove (buf, &buf[ioff], pp->buffer_pos - ioff); pp->buffer_pos -= ioff; ioff = 0; state_changed = 1; } } END: if (ioff != 0) { memmove (buf, &buf[ioff], pp->buffer_pos - ioff); pp->buffer_pos -= ioff; } if (poff < post_data_len) { pp->state = PP_Error; return MHD_NO; /* serious error */ } return MHD_YES; } /** * Parse and process POST data. Call this function when POST data is * available (usually during an #MHD_AccessHandlerCallback) with the * "upload_data" and "upload_data_size". Whenever possible, this will * then cause calls to the #MHD_PostDataIterator. * * @param pp the post processor * @param post_data @a post_data_len bytes of POST data * @param post_data_len length of @a post_data * @return #MHD_YES on success, #MHD_NO on error * (out-of-memory, iterator aborted, parse error) * @ingroup request */ int MHD_post_process (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len) { if (0 == post_data_len) return MHD_YES; if (NULL == pp) return MHD_NO; if (0 == strncasecmp (MHD_HTTP_POST_ENCODING_FORM_URLENCODED, pp->encoding, strlen(MHD_HTTP_POST_ENCODING_FORM_URLENCODED))) return post_process_urlencoded (pp, post_data, post_data_len); if (0 == strncasecmp (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA, pp->encoding, strlen (MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA))) return post_process_multipart (pp, post_data, post_data_len); /* this should never be reached */ return MHD_NO; } /** * Release PostProcessor resources. * * @param pp post processor context to destroy * @return #MHD_YES if processing completed nicely, * #MHD_NO if there were spurious characters / formatting * problems; it is common to ignore the return * value of this function * @ingroup request */ int MHD_destroy_post_processor (struct MHD_PostProcessor *pp) { int ret; if (NULL == pp) return MHD_YES; if (PP_ProcessValue == pp->state) { /* key without terminated value left at the end of the buffer; fake receiving a termination character to ensure it is also processed */ post_process_urlencoded (pp, "\n", 1); } /* These internal strings need cleaning up since the post-processing may have been interrupted at any stage */ if ((pp->xbuf_pos > 0) || ( (pp->state != PP_Done) && (pp->state != PP_ExpectNewLine))) ret = MHD_NO; else ret = MHD_YES; pp->have = NE_none; free_unmarked (pp); if (pp->nested_boundary != NULL) free (pp->nested_boundary); free (pp); return ret; } /* end of postprocessor.c */ libmicrohttpd-0.9.33/src/microhttpd/Makefile.am0000644000175000017500000000347012201703207016371 00000000000000if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir)/src/include \ -I$(top_srcdir)/src/daemon \ @LIBGCRYPT_CFLAGS@ EXTRA_DIST = EXPORT.sym lib_LTLIBRARIES = \ libmicrohttpd.la libmicrohttpd_la_SOURCES = \ connection.c connection.h \ reason_phrase.c reason_phrase.h \ daemon.c \ internal.c internal.h \ memorypool.c memorypool.h \ response.c response.h libmicrohttpd_la_LDFLAGS = \ $(MHD_LIB_LDFLAGS) \ -version-info @LIB_VERSION_CURRENT@:@LIB_VERSION_REVISION@:@LIB_VERSION_AGE@ if USE_COVERAGE AM_CFLAGS = --coverage endif if !HAVE_TSEARCH libmicrohttpd_la_SOURCES += \ tsearch.c tsearch.h endif if HAVE_POSTPROCESSOR libmicrohttpd_la_SOURCES += \ postprocessor.c endif if ENABLE_DAUTH libmicrohttpd_la_SOURCES += \ digestauth.c \ md5.c md5.h endif if ENABLE_BAUTH libmicrohttpd_la_SOURCES += \ basicauth.c \ base64.c base64.h endif if ENABLE_HTTPS libmicrohttpd_la_SOURCES += \ connection_https.c connection_https.h libmicrohttpd_la_LIBADD = -lgnutls @LIBGCRYPT_LIBS@ endif check_PROGRAMS = \ test_daemon if HAVE_POSTPROCESSOR check_PROGRAMS += \ test_postprocessor \ test_postprocessor_large \ test_postprocessor_amp endif TESTS = $(check_PROGRAMS) test_daemon_SOURCES = \ test_daemon.c test_daemon_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la test_postprocessor_SOURCES = \ test_postprocessor.c test_postprocessor_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la test_postprocessor_amp_SOURCES = \ test_postprocessor_amp.c test_postprocessor_amp_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la test_postprocessor_large_SOURCES = \ test_postprocessor_large.c test_postprocessor_large_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la libmicrohttpd-0.9.33/src/microhttpd/test_postprocessor_amp.c0000644000175000017500000001025112161414221021315 00000000000000#include "platform.h" #include "microhttpd.h" #include "internal.h" #include #include #include int check_post(void *cls, enum MHD_ValueKind kind, const char* key, const char* filename, const char* content_type, const char* content_encoding, const char* data, uint64_t off, size_t size) { if ((0 != strcmp(key, "a")) && (0 != strcmp(key, "b"))) { printf("ERROR: got unexpected '%s'\n", key); } return MHD_YES; } int main (int argc, char *const *argv) { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 4096, &check_post, NULL); const char* post = "a=xx+xx+xxx+xxxxx+xxxx+xxxxxxxx+xxx+xxxxxx+xxx+xxx+xxxxxxx+xxxxx%0A+++++++xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0A+++++++--%3E%0A++++++++++++++%3Cxxxxx+xxxxx%3D%22xxx%25%22%3E%0A+++++++++++%3Cxx%3E%0A+++++++++++++++%3Cxx+xxxxxxx%3D%22x%22+xxxxx%3D%22xxxxx%22%3E%0A+++++++++++++++++++%3Cxxxxx+xxxxx%3D%22xxx%25%22%3E%0A+++++++++++++++++++++++%3Cxx%3E%0A+++++++++++++++++++++++++++%3Cxx+xxxxx%3D%22xxxx%22%3E%0A+++++++++++++++++++++++++++++++%3Cx+xxxxx%3D%22xxxx-xxxxx%3Axxxxx%22%3Exxxxx%3A%3C%2Fx%3E%0A%0A+++++++++++++++++++++++++++++++%3Cx+xxxxx%3D%22xxxx-xxxxx%3Axxxxx%22%3Exxx%3A%3C%2Fx%3E%0A%0A+++++++++++++++++++++++++++++++%3Cx+xxxxx%3D%22xxxx-xxxxx%3Axxxxx%3B+xxxx-xxxxxx%3A+xxxx%3B%22%3Exxxxx+xxxxx%3A%3C%2Fx%3E%0A+++++++++++++++++++++++++++%3C%2Fxx%3E%0A+++++++++++++++++++++++%3C%2Fxx%3E%0A+++++++++++++++++++%3C%2Fxxxxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A+++++++++++++++%3Cxx+xxxxx%3D%22xxxx-xxxxx%3A+xxxxx%3B+xxxxx%3A+xxxx%22%3E%26xxxxx%3B+%3Cxxxx%0A+++++++++++++++++++++++xxxxx%3D%22xxxxxxxxxxxxxxx%22%3Exxxx.xx%3C%2Fxxxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A+++++++++++%3C%2Fxx%3E%0A++++++++++++++++++++++++++%3Cxx%3E%0A+++++++++++++++++++%3Cxx+xxxxx%3D%22xxxx-xxxxx%3A+xxxxx%3B+xxxxx%3A+xxxx%22%3E%26xxxxx%3B+%3Cxxxx%0A+++++++++++++++++++++++++++xxxxx%3D%22xxxxxxxxxxxxxxx%22%3Exxx.xx%3C%2Fxxxx%3E%0A+++++++++++++++++++%3C%2Fxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A++++++++++++++++++++++%3Cxx%3E%0A+++++++++++++++%3Cxx+xxxxx%3D%22xxxx-xxxxx%3A+xxxxx%3Bxxxx-xxxxxx%3A+xxxx%3B+xxxxx%3A+xxxx%22%3E%26xxxxx%3B+%3Cxxxx%0A+++++++++++++++++++++++xxxxx%3D%22xxxxxxxxxxxxxxx%22%3Exxxx.xx%3C%2Fxxxx%3E%3C%2Fxx%3E%0A+++++++++++%3C%2Fxx%3E%0A+++++++%3C%2Fxxxxx%3E%0A+++++++%3C%21--%0A+++++++xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0A+++++++xxx+xx+xxxxx+xxxxxxx+xxxxxxx%0A+++++++xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0A+++++++--%3E%0A+++%3C%2Fxxx%3E%0A%0A%0A%0A+++%3Cxxx+xxxxx%3D%22xxxxxxxxx%22+xx%3D%22xxxxxxxxx%22%3E%3C%2Fxxx%3E%0A%0A+++%3Cxxx+xx%3D%22xxxx%22+xxxxx%3D%22xxxx%22%3E%0A+++++++%3Cxxxxx+xxxxx%3D%22xxxxxxxxx%22%3E%0A+++++++++++%3Cxx%3E%0A+++++++++++++++%3Cxx+xxxxxxx%3D%22x%22+xx%3D%22xxxxxxxxxxxxx%22+xxxxx%3D%22xxxxxxxxxxxxx%22%3E%0A+++++++++++++++++++%3Cxxx+xx%3D%22xxxxxx%22%3E%3C%2Fxxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A+++++++++++%3C%2Fxx%3E%0A+++++++++++%3Cxx%3E%0A+++++++++++++++%3Cxx+xx%3D%22xxxxxxxxxxxxxxxxx%22+xxxxx%3D%22xxxxxxxxxxxxxxxxx%22%3E%3C%2Fxx%3E%0A+++++++++++++++%3Cxx+xx%3D%22xxxxxxxxxxxxxx%22+xxxxx%3D%22xxxxxxxxxxxxxx%22%3E%0A+++++++++++++++++++%3Cxxx+xx%3D%22xxxxxxx%22%3E%3C%2Fxxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A+++++++++++%3C%2Fxx%3E%0A+++++++++++%3Cxx%3E%0A+++++++++++++++%3Cxx+xxxxxxx%3D%22x%22+xx%3D%22xxxxxxxxxxxxx%22+xxxxx%3D%22xxxxxxxxxxxxx%22%3E%0A+++++++++++++++++++%3Cxxx+xx%3D%22xxxxxx%22%3E%3C%2Fxxx%3E%0A+++++++++++++++%3C%2Fxx%3E%0A+++++++++++%3C%2Fxx%3E%0A+++++++%3C%2Fxxxxx%3E%0A+++%3C%2Fxxx%3E%0A%3C%2Fxxx%3E%0A%0A%3Cxxx+xx%3D%22xxxxxx%22%3E%3C%2Fxxx%3E%0A%0A%3C%2Fxxxx%3E%0A%3C%2Fxxxx%3E+&b=value"; MHD_post_process (pp, post, strlen(post)); MHD_destroy_post_processor (pp); return 0; } libmicrohttpd-0.9.33/src/microhttpd/connection.c0000644000175000017500000026252112255337114016655 00000000000000/* This file is part of libmicrohttpd (C) 2007-2013 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file connection.c * @brief Methods for managing connections * @author Daniel Pittman * @author Christian Grothoff */ #include "internal.h" #include #include "connection.h" #include "memorypool.h" #include "response.h" #include "reason_phrase.h" #if HAVE_NETINET_TCP_H /* for TCP_CORK */ #include #endif /** * Message to transmit when http 1.1 request is received */ #define HTTP_100_CONTINUE "HTTP/1.1 100 Continue\r\n\r\n" /** * Response text used when the request (http header) is too big to * be processed. * * Intentionally empty here to keep our memory footprint * minimal. */ #if HAVE_MESSAGES #define REQUEST_TOO_BIG "Request too bigYour HTTP header was too big for the memory constraints of this webserver." #else #define REQUEST_TOO_BIG "" #endif /** * Response text used when the request (http header) does not * contain a "Host:" header and still claims to be HTTP 1.1. * * Intentionally empty here to keep our memory footprint * minimal. */ #if HAVE_MESSAGES #define REQUEST_LACKS_HOST ""Host:" header requiredIn HTTP 1.1, requests must include a "Host:" header, and your HTTP 1.1 request lacked such a header." #else #define REQUEST_LACKS_HOST "" #endif /** * Response text used when the request (http header) is * malformed. * * Intentionally empty here to keep our memory footprint * minimal. */ #if HAVE_MESSAGES #define REQUEST_MALFORMED "Request malformedYour HTTP request was syntactically incorrect." #else #define REQUEST_MALFORMED "" #endif /** * Response text used when there is an internal server error. * * Intentionally empty here to keep our memory footprint * minimal. */ #if HAVE_MESSAGES #define INTERNAL_ERROR "Internal server errorSome programmer needs to study the manual more carefully." #else #define INTERNAL_ERROR "" #endif /** * Add extra debug messages with reasons for closing connections * (non-error reasons). */ #define DEBUG_CLOSE MHD_NO /** * Should all data send be printed to stderr? */ #define DEBUG_SEND_DATA MHD_NO /** * Get all of the headers from the request. * * @param connection connection to get values from * @param kind types of values to iterate over * @param iterator callback to call on each header; * maybe NULL (then just count headers) * @param iterator_cls extra argument to @a iterator * @return number of entries iterated over * @ingroup request */ int MHD_get_connection_values (struct MHD_Connection *connection, enum MHD_ValueKind kind, MHD_KeyValueIterator iterator, void *iterator_cls) { int ret; struct MHD_HTTP_Header *pos; if (NULL == connection) return -1; ret = 0; for (pos = connection->headers_received; NULL != pos; pos = pos->next) if (0 != (pos->kind & kind)) { ret++; if ((NULL != iterator) && (MHD_YES != iterator (iterator_cls, kind, pos->header, pos->value))) return ret; } return ret; } /** * This function can be used to add an entry to the HTTP headers of a * connection (so that the #MHD_get_connection_values function will * return them -- and the `struct MHD_PostProcessor` will also see * them). This maybe required in certain situations (see Mantis * #1399) where (broken) HTTP implementations fail to supply values * needed by the post processor (or other parts of the application). * * This function MUST only be called from within the * #MHD_AccessHandlerCallback (otherwise, access maybe improperly * synchronized). Furthermore, the client must guarantee that the key * and value arguments are 0-terminated strings that are NOT freed * until the connection is closed. (The easiest way to do this is by * passing only arguments to permanently allocated strings.). * * @param connection the connection for which a * value should be set * @param kind kind of the value * @param key key for the value * @param value the value itself * @return #MHD_NO if the operation could not be * performed due to insufficient memory; * #MHD_YES on success * @ingroup request */ int MHD_set_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key, const char *value) { struct MHD_HTTP_Header *pos; pos = MHD_pool_allocate (connection->pool, sizeof (struct MHD_HTTP_Header), MHD_YES); if (NULL == pos) return MHD_NO; pos->header = (char *) key; pos->value = (char *) value; pos->kind = kind; pos->next = NULL; /* append 'pos' to the linked list of headers */ if (NULL == connection->headers_received_tail) { connection->headers_received = pos; connection->headers_received_tail = pos; } else { connection->headers_received_tail->next = pos; connection->headers_received_tail = pos; } return MHD_YES; } /** * Get a particular header value. If multiple * values match the kind, return any one of them. * * @param connection connection to get values from * @param kind what kind of value are we looking for * @param key the header to look for, NULL to lookup 'trailing' value without a key * @return NULL if no such item was found * @ingroup request */ const char * MHD_lookup_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key) { struct MHD_HTTP_Header *pos; if (NULL == connection) return NULL; for (pos = connection->headers_received; NULL != pos; pos = pos->next) if ((0 != (pos->kind & kind)) && ( (key == pos->header) || ( (NULL != pos->header) && (NULL != key) && (0 == strcasecmp (key, pos->header))) )) return pos->value; return NULL; } /** * Do we (still) need to send a 100 continue * message for this connection? * * @param connection connection to test * @return 0 if we don't need 100 CONTINUE, 1 if we do */ static int need_100_continue (struct MHD_Connection *connection) { const char *expect; return ( (NULL == connection->response) && (NULL != connection->version) && (0 == strcasecmp (connection->version, MHD_HTTP_VERSION_1_1)) && (NULL != (expect = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_EXPECT))) && (0 == strcasecmp (expect, "100-continue")) && (connection->continue_message_write_offset < strlen (HTTP_100_CONTINUE)) ); } /** * Close the given connection and give the * specified termination code to the user. * * @param connection connection to close * @param termination_code termination reason to give */ void MHD_connection_close (struct MHD_Connection *connection, enum MHD_RequestTerminationCode termination_code) { struct MHD_Daemon *daemon; daemon = connection->daemon; if (0 == (connection->daemon->options & MHD_USE_EPOLL_TURBO)) SHUTDOWN (connection->socket_fd, (MHD_YES == connection->read_closed) ? SHUT_WR : SHUT_RDWR); connection->state = MHD_CONNECTION_CLOSED; connection->event_loop_info = MHD_EVENT_LOOP_INFO_CLEANUP; if ( (NULL != daemon->notify_completed) && (MHD_YES == connection->client_aware) ) daemon->notify_completed (daemon->notify_completed_cls, connection, &connection->client_context, termination_code); connection->client_aware = MHD_NO; } /** * A serious error occured, close the * connection (and notify the application). * * @param connection connection to close with error * @param emsg error message (can be NULL) */ static void connection_close_error (struct MHD_Connection *connection, const char *emsg) { #if HAVE_MESSAGES if (NULL != emsg) MHD_DLOG (connection->daemon, emsg); #endif MHD_connection_close (connection, MHD_REQUEST_TERMINATED_WITH_ERROR); } /** * Macro to only include error message in call to * "connection_close_error" if we have HAVE_MESSAGES. */ #if HAVE_MESSAGES #define CONNECTION_CLOSE_ERROR(c, emsg) connection_close_error (c, emsg) #else #define CONNECTION_CLOSE_ERROR(c, emsg) connection_close_error (c, NULL) #endif /** * Prepare the response buffer of this connection for * sending. Assumes that the response mutex is * already held. If the transmission is complete, * this function may close the socket (and return * #MHD_NO). * * @param connection the connection * @return #MHD_NO if readying the response failed (the * lock on the response will have been released already * in this case). */ static int try_ready_normal_body (struct MHD_Connection *connection) { ssize_t ret; struct MHD_Response *response; response = connection->response; if (NULL == response->crc) return MHD_YES; if (0 == response->total_size) return MHD_YES; /* 0-byte response is always ready */ if ( (response->data_start <= connection->response_write_position) && (response->data_size + response->data_start > connection->response_write_position) ) return MHD_YES; /* response already ready */ #if LINUX if ( (-1 != response->fd) && (0 == (connection->daemon->options & MHD_USE_SSL)) ) { /* will use sendfile, no need to bother response crc */ return MHD_YES; } #endif ret = response->crc (response->crc_cls, connection->response_write_position, response->data, MHD_MIN (response->data_buffer_size, response->total_size - connection->response_write_position)); if ( (((ssize_t) MHD_CONTENT_READER_END_OF_STREAM) == ret) || (((ssize_t) MHD_CONTENT_READER_END_WITH_ERROR) == ret) ) { /* either error or http 1.0 transfer, close socket! */ response->total_size = connection->response_write_position; if (NULL != response->crc) pthread_mutex_unlock (&response->mutex); if ( ((ssize_t)MHD_CONTENT_READER_END_OF_STREAM) == ret) MHD_connection_close (connection, MHD_REQUEST_TERMINATED_COMPLETED_OK); else CONNECTION_CLOSE_ERROR (connection, "Closing connection (stream error)\n"); return MHD_NO; } response->data_start = connection->response_write_position; response->data_size = ret; if (0 == ret) { connection->state = MHD_CONNECTION_NORMAL_BODY_UNREADY; if (NULL != response->crc) pthread_mutex_unlock (&response->mutex); return MHD_NO; } return MHD_YES; } /** * Prepare the response buffer of this connection for sending. * Assumes that the response mutex is already held. If the * transmission is complete, this function may close the socket (and * return MHD_NO). * * @param connection the connection * @return #MHD_NO if readying the response failed */ static int try_ready_chunked_body (struct MHD_Connection *connection) { ssize_t ret; char *buf; struct MHD_Response *response; size_t size; char cbuf[10]; /* 10: max strlen of "%x\r\n" */ int cblen; response = connection->response; if (0 == connection->write_buffer_size) { size = connection->daemon->pool_size; do { size /= 2; if (size < 128) { /* not enough memory */ CONNECTION_CLOSE_ERROR (connection, "Closing connection (out of memory)\n"); return MHD_NO; } buf = MHD_pool_allocate (connection->pool, size, MHD_NO); } while (NULL == buf); connection->write_buffer_size = size; connection->write_buffer = buf; } if ( (response->data_start <= connection->response_write_position) && (response->data_size + response->data_start > connection->response_write_position) ) { /* buffer already ready, use what is there for the chunk */ ret = response->data_size + response->data_start - connection->response_write_position; if ( (ret > 0) && (((size_t) ret) > connection->write_buffer_size - sizeof (cbuf) - 2) ) ret = connection->write_buffer_size - sizeof (cbuf) - 2; memcpy (&connection->write_buffer[sizeof (cbuf)], &response->data[connection->response_write_position - response->data_start], ret); } else { /* buffer not in range, try to fill it */ if (0 == response->total_size) ret = 0; /* response must be empty, don't bother calling crc */ else ret = response->crc (response->crc_cls, connection->response_write_position, &connection->write_buffer[sizeof (cbuf)], connection->write_buffer_size - sizeof (cbuf) - 2); } if ( ((ssize_t) MHD_CONTENT_READER_END_WITH_ERROR) == ret) { /* error, close socket! */ response->total_size = connection->response_write_position; CONNECTION_CLOSE_ERROR (connection, "Closing connection (error generating response)\n"); return MHD_NO; } if ( (((ssize_t) MHD_CONTENT_READER_END_OF_STREAM) == ret) || (0 == response->total_size) ) { /* end of message, signal other side! */ strcpy (connection->write_buffer, "0\r\n"); connection->write_buffer_append_offset = 3; connection->write_buffer_send_offset = 0; response->total_size = connection->response_write_position; return MHD_YES; } if (0 == ret) { connection->state = MHD_CONNECTION_CHUNKED_BODY_UNREADY; return MHD_NO; } if (ret > 0xFFFFFF) ret = 0xFFFFFF; snprintf (cbuf, sizeof (cbuf), "%X\r\n", (unsigned int) ret); cblen = strlen (cbuf); EXTRA_CHECK (cblen <= sizeof (cbuf)); memcpy (&connection->write_buffer[sizeof (cbuf) - cblen], cbuf, cblen); memcpy (&connection->write_buffer[sizeof (cbuf) + ret], "\r\n", 2); connection->response_write_position += ret; connection->write_buffer_send_offset = sizeof (cbuf) - cblen; connection->write_buffer_append_offset = sizeof (cbuf) + ret + 2; return MHD_YES; } /** * Check if we need to set some additional headers * for http-compiliance. * * @param connection connection to check (and possibly modify) */ static void add_extra_headers (struct MHD_Connection *connection) { const char *have_close; const char *client_close; const char *have_encoding; char buf[128]; int add_close; client_close = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONNECTION); /* we only care about 'close', everything else is ignored */ if ( (NULL != client_close) && (0 != strcasecmp (client_close, "close")) ) client_close = NULL; have_close = MHD_get_response_header (connection->response, MHD_HTTP_HEADER_CONNECTION); if ( (NULL != have_close) && (0 != strcasecmp (have_close, "close")) ) have_close = NULL; connection->have_chunked_upload = MHD_NO; add_close = MHD_NO; if (MHD_SIZE_UNKNOWN == connection->response->total_size) { /* size is unknown, need to either to HTTP 1.1 chunked encoding or close the connection */ if (NULL == have_close) { /* 'close' header doesn't exist yet, see if we need to add one; if the client asked for a close, no need to start chunk'ing */ if ((NULL == client_close) && (NULL != connection->version) && (0 == strcasecmp (connection->version, MHD_HTTP_VERSION_1_1))) { connection->have_chunked_upload = MHD_YES; have_encoding = MHD_get_response_header (connection->response, MHD_HTTP_HEADER_TRANSFER_ENCODING); if (NULL == have_encoding) MHD_add_response_header (connection->response, MHD_HTTP_HEADER_TRANSFER_ENCODING, "chunked"); else if (0 != strcasecmp (have_encoding, "chunked")) add_close = MHD_YES; /* application already set some strange encoding, can't do 'chunked' */ } else { /* HTTP not 1.1 or client asked for close => set close header */ add_close = MHD_YES; } } } else { /* check if we should add a 'close' anyway */ if ( (NULL != client_close) && (NULL == have_close) ) add_close = MHD_YES; /* client asked for it, so add it */ /* if not present, add content length */ if ( (NULL == MHD_get_response_header (connection->response, MHD_HTTP_HEADER_CONTENT_LENGTH)) && ( (NULL == connection->method) || (0 != strcasecmp (connection->method, MHD_HTTP_METHOD_CONNECT)) || (0 != connection->response->total_size) ) ) { /* Here we add a content-length if one is missing; however, for 'connect' methods, the responses MUST NOT include a content-length header *if* the response code is 2xx (in which case we expect there to be no body). Still, as we don't know the response code here in some cases, we simply only force adding a content-length header if this is not a 'connect' or if the response is not empty (which is kind of more sane, because if some crazy application did return content with a 2xx status code, then having a content-length might again be a good idea). Note that the change from 'SHOULD NOT' to 'MUST NOT' is a recent development of the HTTP 1.1 specification. */ SPRINTF (buf, MHD_UNSIGNED_LONG_LONG_PRINTF, (MHD_UNSIGNED_LONG_LONG) connection->response->total_size); MHD_add_response_header (connection->response, MHD_HTTP_HEADER_CONTENT_LENGTH, buf); } } if (MHD_YES == add_close) MHD_add_response_header (connection->response, MHD_HTTP_HEADER_CONNECTION, "close"); } /** * Produce HTTP "Date:" header. * * @param date where to write the header, with * at least 128 bytes available space. */ static void get_date_string (char *date) { static const char *const days[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; static const char *const mons[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; struct tm now; time_t t; time (&t); gmtime_r (&t, &now); SPRINTF (date, "Date: %3s, %02u %3s %04u %02u:%02u:%02u GMT\r\n", days[now.tm_wday % 7], (unsigned int) now.tm_mday, mons[now.tm_mon % 12], (unsigned int) (1900 + now.tm_year), (unsigned int) now.tm_hour, (unsigned int) now.tm_min, (unsigned int) now.tm_sec); } /** * Try growing the read buffer. We initially claim half the * available buffer space for the read buffer (the other half * being left for management data structures; the write * buffer can in the end take virtually everything as the * read buffer can be reduced to the minimum necessary at that * point. * * @param connection the connection * @return #MHD_YES on success, #MHD_NO on failure */ static int try_grow_read_buffer (struct MHD_Connection *connection) { void *buf; size_t new_size; if (0 == connection->read_buffer_size) new_size = connection->daemon->pool_size / 2; else new_size = connection->read_buffer_size + MHD_BUF_INC_SIZE; buf = MHD_pool_reallocate (connection->pool, connection->read_buffer, connection->read_buffer_size, new_size); if (NULL == buf) return MHD_NO; /* we can actually grow the buffer, do it! */ connection->read_buffer = buf; connection->read_buffer_size = new_size; return MHD_YES; } /** * Allocate the connection's write buffer and fill it with all of the * headers (or footers, if we have already sent the body) from the * HTTPd's response. * * @param connection the connection * @return #MHD_YES on success, #MHD_NO on failure (out of memory) */ static int build_header_response (struct MHD_Connection *connection) { size_t size; size_t off; struct MHD_HTTP_Header *pos; char code[256]; char date[128]; char *data; enum MHD_ValueKind kind; const char *reason_phrase; uint32_t rc; int must_add_close; EXTRA_CHECK (NULL != connection->version); if (0 == strlen (connection->version)) { data = MHD_pool_allocate (connection->pool, 0, MHD_YES); connection->write_buffer = data; connection->write_buffer_append_offset = 0; connection->write_buffer_send_offset = 0; connection->write_buffer_size = 0; return MHD_YES; } if (MHD_CONNECTION_FOOTERS_RECEIVED == connection->state) { add_extra_headers (connection); rc = connection->responseCode & (~MHD_ICY_FLAG); reason_phrase = MHD_get_reason_phrase_for (rc); SPRINTF (code, "%s %u %s\r\n", (0 != (connection->responseCode & MHD_ICY_FLAG)) ? "ICY" : ( (0 == strcasecmp (MHD_HTTP_VERSION_1_0, connection->version)) ? MHD_HTTP_VERSION_1_0 : MHD_HTTP_VERSION_1_1), rc, reason_phrase); off = strlen (code); /* estimate size */ size = off + 2; /* extra \r\n at the end */ kind = MHD_HEADER_KIND; if ( (0 == (connection->daemon->options & MHD_SUPPRESS_DATE_NO_CLOCK)) && (NULL == MHD_get_response_header (connection->response, MHD_HTTP_HEADER_DATE)) ) get_date_string (date); else date[0] = '\0'; size += strlen (date); } else { size = 2; kind = MHD_FOOTER_KIND; off = 0; } must_add_close = ( (MHD_CONNECTION_FOOTERS_RECEIVED == connection->state) && (MHD_YES == connection->read_closed) && (0 == strcasecmp (connection->version, MHD_HTTP_VERSION_1_1)) && (NULL == MHD_get_response_header (connection->response, MHD_HTTP_HEADER_CONNECTION)) ); if (must_add_close) size += strlen ("Connection: close\r\n"); for (pos = connection->response->first_header; NULL != pos; pos = pos->next) if (pos->kind == kind) size += strlen (pos->header) + strlen (pos->value) + 4; /* colon, space, linefeeds */ /* produce data */ data = MHD_pool_allocate (connection->pool, size + 1, MHD_NO); if (NULL == data) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Not enough memory for write!\n"); #endif return MHD_NO; } if (MHD_CONNECTION_FOOTERS_RECEIVED == connection->state) { memcpy (data, code, off); } if (must_add_close) { /* we must add the 'close' header because circumstances forced us to stop reading from the socket; however, we are not adding the header to the response as the response may be used in a different context as well */ memcpy (&data[off], "Connection: close\r\n", strlen ("Connection: close\r\n")); off += strlen ("Connection: close\r\n"); } for (pos = connection->response->first_header; NULL != pos; pos = pos->next) if (pos->kind == kind) off += SPRINTF (&data[off], "%s: %s\r\n", pos->header, pos->value); if (connection->state == MHD_CONNECTION_FOOTERS_RECEIVED) { strcpy (&data[off], date); off += strlen (date); } memcpy (&data[off], "\r\n", 2); off += 2; if (off != size) mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL); connection->write_buffer = data; connection->write_buffer_append_offset = size; connection->write_buffer_send_offset = 0; connection->write_buffer_size = size + 1; return MHD_YES; } /** * We encountered an error processing the request. * Handle it properly by stopping to read data * and sending the indicated response code and message. * * @param connection the connection * @param status_code the response code to send (400, 413 or 414) * @param message the error message to send */ static void transmit_error_response (struct MHD_Connection *connection, unsigned int status_code, const char *message) { struct MHD_Response *response; if (NULL == connection->version) { /* we were unable to process the full header line, so we don't really know what version the client speaks; assume 1.0 */ connection->version = MHD_HTTP_VERSION_1_0; } connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; connection->read_closed = MHD_YES; #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Error %u (`%s') processing request, closing connection.\n", status_code, message); #endif EXTRA_CHECK (NULL == connection->response); response = MHD_create_response_from_buffer (strlen (message), (void *) message, MHD_RESPMEM_PERSISTENT); MHD_queue_response (connection, status_code, response); EXTRA_CHECK (NULL != connection->response); MHD_destroy_response (response); if (MHD_NO == build_header_response (connection)) { /* oops - close! */ CONNECTION_CLOSE_ERROR (connection, "Closing connection (failed to create response header)\n"); } else { connection->state = MHD_CONNECTION_HEADERS_SENDING; } } /** * Update the 'event_loop_info' field of this connection based on the state * that the connection is now in. May also close the connection or * perform other updates to the connection if needed to prepare for * the next round of the event loop. * * @param connection connetion to get poll set for */ static void MHD_connection_update_event_loop_info (struct MHD_Connection *connection) { while (1) { #if DEBUG_STATES MHD_DLOG (connection->daemon, "%s: state: %s\n", __FUNCTION__, MHD_state_to_string (connection->state)); #endif switch (connection->state) { #if HTTPS_SUPPORT case MHD_TLS_CONNECTION_INIT: if (0 == gnutls_record_get_direction (connection->tls_session)) connection->event_loop_info = MHD_EVENT_LOOP_INFO_READ; else connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; #endif case MHD_CONNECTION_INIT: case MHD_CONNECTION_URL_RECEIVED: case MHD_CONNECTION_HEADER_PART_RECEIVED: /* while reading headers, we always grow the read buffer if needed, no size-check required */ if ( (connection->read_buffer_offset == connection->read_buffer_size) && (MHD_NO == try_grow_read_buffer (connection)) ) { transmit_error_response (connection, (connection->url != NULL) ? MHD_HTTP_REQUEST_ENTITY_TOO_LARGE : MHD_HTTP_REQUEST_URI_TOO_LONG, REQUEST_TOO_BIG); continue; } if (MHD_NO == connection->read_closed) connection->event_loop_info = MHD_EVENT_LOOP_INFO_READ; else connection->event_loop_info = MHD_EVENT_LOOP_INFO_BLOCK; break; case MHD_CONNECTION_HEADERS_RECEIVED: EXTRA_CHECK (0); break; case MHD_CONNECTION_HEADERS_PROCESSED: EXTRA_CHECK (0); break; case MHD_CONNECTION_CONTINUE_SENDING: connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; case MHD_CONNECTION_CONTINUE_SENT: if (connection->read_buffer_offset == connection->read_buffer_size) { if ((MHD_YES != try_grow_read_buffer (connection)) && (0 != (connection->daemon->options & (MHD_USE_SELECT_INTERNALLY | MHD_USE_THREAD_PER_CONNECTION)))) { /* failed to grow the read buffer, and the client which is supposed to handle the received data in a *blocking* fashion (in this mode) did not handle the data as it was supposed to! => we would either have to do busy-waiting (on the client, which would likely fail), or if we do nothing, we would just timeout on the connection (if a timeout is even set!). Solution: we kill the connection with an error */ transmit_error_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, INTERNAL_ERROR); continue; } } if ( (connection->read_buffer_offset < connection->read_buffer_size) && (MHD_NO == connection->read_closed) ) connection->event_loop_info = MHD_EVENT_LOOP_INFO_READ; else connection->event_loop_info = MHD_EVENT_LOOP_INFO_BLOCK; break; case MHD_CONNECTION_BODY_RECEIVED: case MHD_CONNECTION_FOOTER_PART_RECEIVED: /* while reading footers, we always grow the read buffer if needed, no size-check required */ if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } connection->event_loop_info = MHD_EVENT_LOOP_INFO_READ; /* transition to FOOTERS_RECEIVED happens in read handler */ break; case MHD_CONNECTION_FOOTERS_RECEIVED: connection->event_loop_info = MHD_EVENT_LOOP_INFO_BLOCK; break; case MHD_CONNECTION_HEADERS_SENDING: /* headers in buffer, keep writing */ connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; case MHD_CONNECTION_HEADERS_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_NORMAL_BODY_READY: connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; case MHD_CONNECTION_NORMAL_BODY_UNREADY: connection->event_loop_info = MHD_EVENT_LOOP_INFO_BLOCK; break; case MHD_CONNECTION_CHUNKED_BODY_READY: connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; case MHD_CONNECTION_CHUNKED_BODY_UNREADY: connection->event_loop_info = MHD_EVENT_LOOP_INFO_BLOCK; break; case MHD_CONNECTION_BODY_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_FOOTERS_SENDING: connection->event_loop_info = MHD_EVENT_LOOP_INFO_WRITE; break; case MHD_CONNECTION_FOOTERS_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_CLOSED: connection->event_loop_info = MHD_EVENT_LOOP_INFO_CLEANUP; return; /* do nothing, not even reading */ default: EXTRA_CHECK (0); } break; } } /** * Parse a single line of the HTTP header. Advance * read_buffer (!) appropriately. If the current line does not * fit, consider growing the buffer. If the line is * far too long, close the connection. If no line is * found (incomplete, buffer too small, line too long), * return NULL. Otherwise return a pointer to the line. * * @param connection connection we're processing * @return NULL if no full line is available */ static char * get_next_header_line (struct MHD_Connection *connection) { char *rbuf; size_t pos; if (0 == connection->read_buffer_offset) return NULL; pos = 0; rbuf = connection->read_buffer; while ((pos < connection->read_buffer_offset - 1) && ('\r' != rbuf[pos]) && ('\n' != rbuf[pos])) pos++; if ( (pos == connection->read_buffer_offset - 1) && ('\n' != rbuf[pos]) ) { /* not found, consider growing... */ if ( (connection->read_buffer_offset == connection->read_buffer_size) && (MHD_NO == try_grow_read_buffer (connection)) ) { transmit_error_response (connection, (NULL != connection->url) ? MHD_HTTP_REQUEST_ENTITY_TOO_LARGE : MHD_HTTP_REQUEST_URI_TOO_LONG, REQUEST_TOO_BIG); } return NULL; } /* found, check if we have proper LFCR */ if (('\r' == rbuf[pos]) && ('\n' == rbuf[pos + 1])) rbuf[pos++] = '\0'; /* skip both r and n */ rbuf[pos++] = '\0'; connection->read_buffer += pos; connection->read_buffer_size -= pos; connection->read_buffer_offset -= pos; return rbuf; } /** * Add an entry to the HTTP headers of a connection. If this fails, * transmit an error response (request too big). * * @param connection the connection for which a * value should be set * @param kind kind of the value * @param key key for the value * @param value the value itself * @return #MHD_NO on failure (out of memory), #MHD_YES for success */ static int connection_add_header (struct MHD_Connection *connection, char *key, char *value, enum MHD_ValueKind kind) { if (MHD_NO == MHD_set_connection_value (connection, kind, key, value)) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Not enough memory to allocate header record!\n"); #endif transmit_error_response (connection, MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, REQUEST_TOO_BIG); return MHD_NO; } return MHD_YES; } /** * Parse and unescape the arguments given by the client as part * of the HTTP request URI. * * @param kind header kind to use for adding to the connection * @param connection connection to add headers to * @param args argument URI string (after "?" in URI) * @return #MHD_NO on failure (out of memory), #MHD_YES for success */ static int parse_arguments (enum MHD_ValueKind kind, struct MHD_Connection *connection, char *args) { char *equals; char *amper; while (NULL != args) { equals = strchr (args, '='); amper = strchr (args, '&'); if (NULL == amper) { /* last argument */ if (NULL == equals) { /* got 'foo', add key 'foo' with NULL for value */ connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, args); return connection_add_header (connection, args, NULL, kind); } /* got 'foo=bar' */ equals[0] = '\0'; equals++; connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, args); connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, equals); return connection_add_header (connection, args, equals, kind); } /* amper is non-NULL here */ amper[0] = '\0'; amper++; if ( (NULL == equals) || (equals >= amper) ) { /* got 'foo&bar' or 'foo&bar=val', add key 'foo' with NULL for value */ connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, args); if (MHD_NO == connection_add_header (connection, args, NULL, kind)) return MHD_NO; /* continue with 'bar' */ args = amper; continue; } /* equals and amper are non-NULL here, and equals < amper, so we got regular 'foo=value&bar...'-kind of argument */ equals[0] = '\0'; equals++; connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, args); connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, equals); if (MHD_NO == connection_add_header (connection, args, equals, kind)) return MHD_NO; args = amper; } return MHD_YES; } /** * Parse the cookie header (see RFC 2109). * * @return #MHD_YES for success, #MHD_NO for failure (malformed, out of memory) */ static int parse_cookie_header (struct MHD_Connection *connection) { const char *hdr; char *cpy; char *pos; char *sce; char *semicolon; char *equals; char *ekill; char old; int quotes; hdr = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_COOKIE); if (NULL == hdr) return MHD_YES; cpy = MHD_pool_allocate (connection->pool, strlen (hdr) + 1, MHD_YES); if (NULL == cpy) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Not enough memory to parse cookies!\n"); #endif transmit_error_response (connection, MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, REQUEST_TOO_BIG); return MHD_NO; } memcpy (cpy, hdr, strlen (hdr) + 1); pos = cpy; while (NULL != pos) { while (' ' == *pos) pos++; /* skip spaces */ sce = pos; while (((*sce) != '\0') && ((*sce) != ',') && ((*sce) != ';') && ((*sce) != '=')) sce++; /* remove tailing whitespace (if any) from key */ ekill = sce - 1; while ((*ekill == ' ') && (ekill >= pos)) *(ekill--) = '\0'; old = *sce; *sce = '\0'; if (old != '=') { /* value part omitted, use empty string... */ if (MHD_NO == connection_add_header (connection, pos, "", MHD_COOKIE_KIND)) return MHD_NO; if (old == '\0') break; pos = sce + 1; continue; } equals = sce + 1; quotes = 0; semicolon = equals; while ((semicolon[0] != '\0') && ((quotes != 0) || ((semicolon[0] != ';') && (semicolon[0] != ',')))) { if (semicolon[0] == '"') quotes = (quotes + 1) & 1; semicolon++; } if (semicolon[0] == '\0') semicolon = NULL; if (NULL != semicolon) { semicolon[0] = '\0'; semicolon++; } /* remove quotes */ if ((equals[0] == '"') && (equals[strlen (equals) - 1] == '"')) { equals[strlen (equals) - 1] = '\0'; equals++; } if (MHD_NO == connection_add_header (connection, pos, equals, MHD_COOKIE_KIND)) return MHD_NO; pos = semicolon; } return MHD_YES; } /** * Parse the first line of the HTTP HEADER. * * @param connection the connection (updated) * @param line the first line * @return #MHD_YES if the line is ok, #MHD_NO if it is malformed */ static int parse_initial_message_line (struct MHD_Connection *connection, char *line) { char *uri; char *http_version; char *args; if (NULL == (uri = strchr (line, ' '))) return MHD_NO; /* serious error */ uri[0] = '\0'; connection->method = line; uri++; while (uri[0] == ' ') uri++; http_version = strchr (uri, ' '); if (NULL != http_version) { http_version[0] = '\0'; http_version++; } if (NULL != connection->daemon->uri_log_callback) connection->client_context = connection->daemon->uri_log_callback (connection->daemon->uri_log_callback_cls, uri, connection); args = strchr (uri, '?'); if (NULL != args) { args[0] = '\0'; args++; parse_arguments (MHD_GET_ARGUMENT_KIND, connection, args); } connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, uri); connection->url = uri; if (NULL == http_version) connection->version = ""; else connection->version = http_version; return MHD_YES; } /** * Call the handler of the application for this * connection. Handles chunking of the upload * as well as normal uploads. * * @param connection connection we're processing */ static void call_connection_handler (struct MHD_Connection *connection) { size_t processed; if (NULL != connection->response) return; /* already queued a response */ processed = 0; connection->client_aware = MHD_YES; if (MHD_NO == connection->daemon->default_handler (connection->daemon-> default_handler_cls, connection, connection->url, connection->method, connection->version, NULL, &processed, &connection->client_context)) { /* serious internal error, close connection */ CONNECTION_CLOSE_ERROR (connection, "Internal application error, closing connection.\n"); return; } } /** * Call the handler of the application for this * connection. Handles chunking of the upload * as well as normal uploads. * * @param connection connection we're processing */ static void process_request_body (struct MHD_Connection *connection) { size_t processed; size_t available; size_t used; size_t i; int instant_retry; int malformed; char *buffer_head; char *end; if (NULL != connection->response) return; /* already queued a response */ buffer_head = connection->read_buffer; available = connection->read_buffer_offset; do { instant_retry = MHD_NO; if ((connection->have_chunked_upload == MHD_YES) && (connection->remaining_upload_size == MHD_SIZE_UNKNOWN)) { if ((connection->current_chunk_offset == connection->current_chunk_size) && (connection->current_chunk_offset != 0) && (available >= 2)) { /* skip new line at the *end* of a chunk */ i = 0; if ((buffer_head[i] == '\r') || (buffer_head[i] == '\n')) i++; /* skip 1st part of line feed */ if ((buffer_head[i] == '\r') || (buffer_head[i] == '\n')) i++; /* skip 2nd part of line feed */ if (i == 0) { /* malformed encoding */ CONNECTION_CLOSE_ERROR (connection, "Received malformed HTTP request (bad chunked encoding), closing connection.\n"); return; } available -= i; buffer_head += i; connection->current_chunk_offset = 0; connection->current_chunk_size = 0; } if (connection->current_chunk_offset < connection->current_chunk_size) { /* we are in the middle of a chunk, give as much as possible to the client (without crossing chunk boundaries) */ processed = connection->current_chunk_size - connection->current_chunk_offset; if (processed > available) processed = available; if (available > processed) instant_retry = MHD_YES; } else { /* we need to read chunk boundaries */ i = 0; while (i < available) { if ((buffer_head[i] == '\r') || (buffer_head[i] == '\n')) break; i++; if (i >= 6) break; } /* take '\n' into account; if '\n' is the unavailable character, we will need to wait until we have it before going further */ if ((i + 1 >= available) && !((i == 1) && (available == 2) && (buffer_head[0] == '0'))) break; /* need more data... */ malformed = (i >= 6); if (!malformed) { buffer_head[i] = '\0'; connection->current_chunk_size = strtoul (buffer_head, &end, 16); malformed = ('\0' != *end); } if (malformed) { /* malformed encoding */ CONNECTION_CLOSE_ERROR (connection, "Received malformed HTTP request (bad chunked encoding), closing connection.\n"); return; } i++; if ((i < available) && ((buffer_head[i] == '\r') || (buffer_head[i] == '\n'))) i++; /* skip 2nd part of line feed */ buffer_head += i; available -= i; connection->current_chunk_offset = 0; if (available > 0) instant_retry = MHD_YES; if (connection->current_chunk_size == 0) { connection->remaining_upload_size = 0; break; } continue; } } else { /* no chunked encoding, give all to the client */ if ( (0 != connection->remaining_upload_size) && (MHD_SIZE_UNKNOWN != connection->remaining_upload_size) && (connection->remaining_upload_size < available) ) { processed = connection->remaining_upload_size; } else { /** * 1. no chunked encoding, give all to the client * 2. client may send large chunked data, but only a smaller part is available at one time. */ processed = available; } } used = processed; connection->client_aware = MHD_YES; if (MHD_NO == connection->daemon->default_handler (connection->daemon-> default_handler_cls, connection, connection->url, connection->method, connection->version, buffer_head, &processed, &connection->client_context)) { /* serious internal error, close connection */ CONNECTION_CLOSE_ERROR (connection, "Internal application error, closing connection.\n"); return; } if (processed > used) mhd_panic (mhd_panic_cls, __FILE__, __LINE__ #if HAVE_MESSAGES , "API violation" #else , NULL #endif ); if (0 != processed) instant_retry = MHD_NO; /* client did not process everything */ used -= processed; if (connection->have_chunked_upload == MHD_YES) connection->current_chunk_offset += used; /* dh left "processed" bytes in buffer for next time... */ buffer_head += used; available -= used; if (connection->remaining_upload_size != MHD_SIZE_UNKNOWN) connection->remaining_upload_size -= used; } while (MHD_YES == instant_retry); if (available > 0) memmove (connection->read_buffer, buffer_head, available); connection->read_buffer_offset = available; } /** * Try reading data from the socket into the * read buffer of the connection. * * @param connection connection we're processing * @return #MHD_YES if something changed, * #MHD_NO if we were interrupted or if * no space was available */ static int do_read (struct MHD_Connection *connection) { int bytes_read; if (connection->read_buffer_size == connection->read_buffer_offset) return MHD_NO; bytes_read = connection->recv_cls (connection, &connection->read_buffer [connection->read_buffer_offset], connection->read_buffer_size - connection->read_buffer_offset); if (bytes_read < 0) { if ((EINTR == errno) || (EAGAIN == errno)) return MHD_NO; #if HAVE_MESSAGES #if HTTPS_SUPPORT if (0 != (connection->daemon->options & MHD_USE_SSL)) MHD_DLOG (connection->daemon, "Failed to receive data: %s\n", gnutls_strerror (bytes_read)); else #endif MHD_DLOG (connection->daemon, "Failed to receive data: %s\n", STRERROR (errno)); #endif CONNECTION_CLOSE_ERROR (connection, NULL); return MHD_YES; } if (0 == bytes_read) { /* other side closed connection; RFC 2616, section 8.1.4 suggests we should then shutdown ourselves as well. */ connection->read_closed = MHD_YES; MHD_connection_close (connection, MHD_REQUEST_TERMINATED_CLIENT_ABORT); return MHD_YES; } connection->read_buffer_offset += bytes_read; return MHD_YES; } /** * Try writing data to the socket from the * write buffer of the connection. * * @param connection connection we're processing * @return #MHD_YES if something changed, * #MHD_NO if we were interrupted */ static int do_write (struct MHD_Connection *connection) { int ret; size_t max; max = connection->write_buffer_append_offset - connection->write_buffer_send_offset; ret = connection->send_cls (connection, &connection->write_buffer [connection->write_buffer_send_offset], max); if (ret < 0) { if ((EINTR == errno) || (EAGAIN == errno)) return MHD_NO; #if HAVE_MESSAGES #if HTTPS_SUPPORT if (0 != (connection->daemon->options & MHD_USE_SSL)) MHD_DLOG (connection->daemon, "Failed to send data: %s\n", gnutls_strerror (ret)); else #endif MHD_DLOG (connection->daemon, "Failed to send data: %s\n", STRERROR (errno)); #endif CONNECTION_CLOSE_ERROR (connection, NULL); return MHD_YES; } #if DEBUG_SEND_DATA FPRINTF (stderr, "Sent response: `%.*s'\n", ret, &connection->write_buffer[connection->write_buffer_send_offset]); #endif /* only increment if this wasn't a "sendfile" transmission without buffer involvement! */ if (0 != max) connection->write_buffer_send_offset += ret; return MHD_YES; } /** * Check if we are done sending the write-buffer. * If so, transition into "next_state". * * @param connection connection to check write status for * @param next_state the next state to transition to * @return #MHD_NO if we are not done, #MHD_YES if we are */ static int check_write_done (struct MHD_Connection *connection, enum MHD_CONNECTION_STATE next_state) { if (connection->write_buffer_append_offset != connection->write_buffer_send_offset) return MHD_NO; connection->write_buffer_append_offset = 0; connection->write_buffer_send_offset = 0; connection->state = next_state; MHD_pool_reallocate (connection->pool, connection->write_buffer, connection->write_buffer_size, 0); connection->write_buffer = NULL; connection->write_buffer_size = 0; return MHD_YES; } /** * We have received (possibly the beginning of) a line in the * header (or footer). Validate (check for ":") and prepare * to process. * * @param connection connection we're processing * @param line line from the header to process * @return #MHD_YES on success, #MHD_NO on error (malformed @a line) */ static int process_header_line (struct MHD_Connection *connection, char *line) { char *colon; /* line should be normal header line, find colon */ colon = strchr (line, ':'); if (NULL == colon) { /* error in header line, die hard */ CONNECTION_CLOSE_ERROR (connection, "Received malformed line (no colon), closing connection.\n"); return MHD_NO; } /* zero-terminate header */ colon[0] = '\0'; colon++; /* advance to value */ while ((colon[0] != '\0') && ((colon[0] == ' ') || (colon[0] == '\t'))) colon++; /* we do the actual adding of the connection header at the beginning of the while loop since we need to be able to inspect the *next* header line (in case it starts with a space...) */ connection->last = line; connection->colon = colon; return MHD_YES; } /** * Process a header value that spans multiple lines. * The previous line(s) are in connection->last. * * @param connection connection we're processing * @param line the current input line * @param kind if the line is complete, add a header * of the given kind * @return #MHD_YES if the line was processed successfully */ static int process_broken_line (struct MHD_Connection *connection, char *line, enum MHD_ValueKind kind) { char *last; char *tmp; size_t last_len; size_t tmp_len; last = connection->last; if ((line[0] == ' ') || (line[0] == '\t')) { /* value was continued on the next line, see http://www.jmarshall.com/easy/http/ */ last_len = strlen (last); /* skip whitespace at start of 2nd line */ tmp = line; while ((tmp[0] == ' ') || (tmp[0] == '\t')) tmp++; tmp_len = strlen (tmp); /* FIXME: we might be able to do this better (faster!), as most likely 'last' and 'line' should already be adjacent in memory; however, doing this right gets tricky if we have a value continued over multiple lines (in which case we need to record how often we have done this so we can check for adjaency); also, in the case where these are not adjacent (not sure how it can happen!), we would want to allocate from the end of the pool, so as to not destroy the read-buffer's ability to grow nicely. */ last = MHD_pool_reallocate (connection->pool, last, last_len + 1, last_len + tmp_len + 1); if (NULL == last) { transmit_error_response (connection, MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, REQUEST_TOO_BIG); return MHD_NO; } memcpy (&last[last_len], tmp, tmp_len + 1); connection->last = last; return MHD_YES; /* possibly more than 2 lines... */ } EXTRA_CHECK ((NULL != last) && (NULL != connection->colon)); if ((MHD_NO == connection_add_header (connection, last, connection->colon, kind))) { transmit_error_response (connection, MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, REQUEST_TOO_BIG); return MHD_NO; } /* we still have the current line to deal with... */ if (0 != strlen (line)) { if (MHD_NO == process_header_line (connection, line)) { transmit_error_response (connection, MHD_HTTP_BAD_REQUEST, REQUEST_MALFORMED); return MHD_NO; } } return MHD_YES; } /** * Parse the various headers; figure out the size * of the upload and make sure the headers follow * the protocol. Advance to the appropriate state. * * @param connection connection we're processing */ static void parse_connection_headers (struct MHD_Connection *connection) { const char *clen; MHD_UNSIGNED_LONG_LONG cval; struct MHD_Response *response; const char *enc; char *end; parse_cookie_header (connection); if ((0 != (MHD_USE_PEDANTIC_CHECKS & connection->daemon->options)) && (NULL != connection->version) && (0 == strcasecmp (MHD_HTTP_VERSION_1_1, connection->version)) && (NULL == MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_HOST))) { /* die, http 1.1 request without host and we are pedantic */ connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; connection->read_closed = MHD_YES; #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Received `%s' request without `%s' header.\n", MHD_HTTP_VERSION_1_1, MHD_HTTP_HEADER_HOST); #endif EXTRA_CHECK (connection->response == NULL); response = MHD_create_response_from_buffer (strlen (REQUEST_LACKS_HOST), REQUEST_LACKS_HOST, MHD_RESPMEM_PERSISTENT); MHD_queue_response (connection, MHD_HTTP_BAD_REQUEST, response); MHD_destroy_response (response); return; } connection->remaining_upload_size = 0; enc = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_TRANSFER_ENCODING); if (enc != NULL) { connection->remaining_upload_size = MHD_SIZE_UNKNOWN; if (0 == strcasecmp (enc, "chunked")) connection->have_chunked_upload = MHD_YES; } else { clen = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH); if (clen != NULL) { cval = strtoul (clen, &end, 10); if ( ('\0' != *end) || ( (LONG_MAX == cval) && (errno == ERANGE) ) ) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Failed to parse `%s' header `%s', closing connection.\n", MHD_HTTP_HEADER_CONTENT_LENGTH, clen); #endif CONNECTION_CLOSE_ERROR (connection, NULL); return; } connection->remaining_upload_size = cval; } } } /** * Update the 'last_activity' field of the connection to the current time * and move the connection to the head of the 'normal_timeout' list if * the timeout for the connection uses the default value. * * @param connection the connection that saw some activity */ static void update_last_activity (struct MHD_Connection *connection) { struct MHD_Daemon *daemon = connection->daemon; connection->last_activity = MHD_monotonic_time(); if (connection->connection_timeout != daemon->connection_timeout) return; /* custom timeout, no need to move it in DLL */ /* move connection to head of timeout list (by remove + add operation) */ if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); XDLL_insert (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * This function handles a particular connection when it has been * determined that there is data to be read off a socket. * * @param connection connection to handle * @return always #MHD_YES (we should continue to process the * connection) */ int MHD_connection_handle_read (struct MHD_Connection *connection) { update_last_activity (connection); if (MHD_CONNECTION_CLOSED == connection->state) return MHD_YES; /* make sure "read" has a reasonable number of bytes in buffer to use per system call (if possible) */ if (connection->read_buffer_offset + connection->daemon->pool_increment > connection->read_buffer_size) try_grow_read_buffer (connection); if (MHD_NO == do_read (connection)) return MHD_YES; while (1) { #if DEBUG_STATES MHD_DLOG (connection->daemon, "%s: state: %s\n", __FUNCTION__, MHD_state_to_string (connection->state)); #endif switch (connection->state) { case MHD_CONNECTION_INIT: case MHD_CONNECTION_URL_RECEIVED: case MHD_CONNECTION_HEADER_PART_RECEIVED: case MHD_CONNECTION_HEADERS_RECEIVED: case MHD_CONNECTION_HEADERS_PROCESSED: case MHD_CONNECTION_CONTINUE_SENDING: case MHD_CONNECTION_CONTINUE_SENT: case MHD_CONNECTION_BODY_RECEIVED: case MHD_CONNECTION_FOOTER_PART_RECEIVED: /* nothing to do but default action */ if (MHD_YES == connection->read_closed) { MHD_connection_close (connection, MHD_REQUEST_TERMINATED_READ_ERROR); continue; } break; case MHD_CONNECTION_CLOSED: return MHD_YES; default: /* shrink read buffer to how much is actually used */ MHD_pool_reallocate (connection->pool, connection->read_buffer, connection->read_buffer_size + 1, connection->read_buffer_offset); break; } break; } return MHD_YES; } /** * This function was created to handle writes to sockets when it has * been determined that the socket can be written to. * * @param connection connection to handle * @return always #MHD_YES (we should continue to process the * connection) */ int MHD_connection_handle_write (struct MHD_Connection *connection) { struct MHD_Response *response; int ret; update_last_activity (connection); while (1) { #if DEBUG_STATES MHD_DLOG (connection->daemon, "%s: state: %s\n", __FUNCTION__, MHD_state_to_string (connection->state)); #endif switch (connection->state) { case MHD_CONNECTION_INIT: case MHD_CONNECTION_URL_RECEIVED: case MHD_CONNECTION_HEADER_PART_RECEIVED: case MHD_CONNECTION_HEADERS_RECEIVED: EXTRA_CHECK (0); break; case MHD_CONNECTION_HEADERS_PROCESSED: break; case MHD_CONNECTION_CONTINUE_SENDING: ret = connection->send_cls (connection, &HTTP_100_CONTINUE [connection->continue_message_write_offset], strlen (HTTP_100_CONTINUE) - connection->continue_message_write_offset); if (ret < 0) { if ((errno == EINTR) || (errno == EAGAIN)) break; #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Failed to send data: %s\n", STRERROR (errno)); #endif CONNECTION_CLOSE_ERROR (connection, NULL); return MHD_YES; } #if DEBUG_SEND_DATA FPRINTF (stderr, "Sent 100 continue response: `%.*s'\n", ret, &HTTP_100_CONTINUE [connection->continue_message_write_offset]); #endif connection->continue_message_write_offset += ret; break; case MHD_CONNECTION_CONTINUE_SENT: case MHD_CONNECTION_BODY_RECEIVED: case MHD_CONNECTION_FOOTER_PART_RECEIVED: case MHD_CONNECTION_FOOTERS_RECEIVED: EXTRA_CHECK (0); break; case MHD_CONNECTION_HEADERS_SENDING: do_write (connection); if (connection->state != MHD_CONNECTION_HEADERS_SENDING) break; check_write_done (connection, MHD_CONNECTION_HEADERS_SENT); break; case MHD_CONNECTION_HEADERS_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_NORMAL_BODY_READY: response = connection->response; if (NULL != response->crc) pthread_mutex_lock (&response->mutex); if (MHD_YES != try_ready_normal_body (connection)) break; ret = connection->send_cls (connection, &response->data [connection->response_write_position - response->data_start], response->data_size - (connection->response_write_position - response->data_start)); #if DEBUG_SEND_DATA if (ret > 0) FPRINTF (stderr, "Sent DATA response: `%.*s'\n", ret, &response->data[connection->response_write_position - response->data_start]); #endif if (NULL != response->crc) pthread_mutex_unlock (&response->mutex); if (ret < 0) { if ((errno == EINTR) || (errno == EAGAIN)) return MHD_YES; #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Failed to send data: %s\n", STRERROR (errno)); #endif CONNECTION_CLOSE_ERROR (connection, NULL); return MHD_YES; } connection->response_write_position += ret; if (connection->response_write_position == connection->response->total_size) connection->state = MHD_CONNECTION_FOOTERS_SENT; /* have no footers... */ break; case MHD_CONNECTION_NORMAL_BODY_UNREADY: EXTRA_CHECK (0); break; case MHD_CONNECTION_CHUNKED_BODY_READY: do_write (connection); if (connection->state != MHD_CONNECTION_CHUNKED_BODY_READY) break; check_write_done (connection, (connection->response->total_size == connection->response_write_position) ? MHD_CONNECTION_BODY_SENT : MHD_CONNECTION_CHUNKED_BODY_UNREADY); break; case MHD_CONNECTION_CHUNKED_BODY_UNREADY: case MHD_CONNECTION_BODY_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_FOOTERS_SENDING: do_write (connection); if (connection->state != MHD_CONNECTION_FOOTERS_SENDING) break; check_write_done (connection, MHD_CONNECTION_FOOTERS_SENT); break; case MHD_CONNECTION_FOOTERS_SENT: EXTRA_CHECK (0); break; case MHD_CONNECTION_CLOSED: return MHD_YES; case MHD_TLS_CONNECTION_INIT: EXTRA_CHECK (0); break; default: EXTRA_CHECK (0); CONNECTION_CLOSE_ERROR (connection, "Internal error\n"); return MHD_YES; } break; } return MHD_YES; } /** * Clean up the state of the given connection and move it into the * clean up queue for final disposal. * * @param connection handle for the connection to clean up */ static void cleanup_connection (struct MHD_Connection *connection) { struct MHD_Daemon *daemon = connection->daemon; if (NULL != connection->response) { MHD_destroy_response (connection->response); connection->response = NULL; } if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); if (connection->connection_timeout == daemon->connection_timeout) XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); else XDLL_remove (daemon->manual_timeout_head, daemon->manual_timeout_tail, connection); if (MHD_YES == connection->suspended) DLL_remove (daemon->suspended_connections_head, daemon->suspended_connections_tail, connection); else DLL_remove (daemon->connections_head, daemon->connections_tail, connection); DLL_insert (daemon->cleanup_head, daemon->cleanup_tail, connection); connection->suspended = MHD_NO; connection->resuming = MHD_NO; connection->in_idle = MHD_NO; if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock(&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); } /** * This function was created to handle per-connection processing that * has to happen even if the socket cannot be read or written to. * * @param connection connection to handle * @return #MHD_YES if we should continue to process the * connection (not dead yet), #MHD_NO if it died */ int MHD_connection_handle_idle (struct MHD_Connection *connection) { struct MHD_Daemon *daemon = connection->daemon; unsigned int timeout; const char *end; int rend; char *line; connection->in_idle = MHD_YES; while (1) { #if DEBUG_STATES MHD_DLOG (daemon, "%s: state: %s\n", __FUNCTION__, MHD_state_to_string (connection->state)); #endif switch (connection->state) { case MHD_CONNECTION_INIT: line = get_next_header_line (connection); if (NULL == line) { if (MHD_CONNECTION_INIT != connection->state) continue; if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } break; } if (MHD_NO == parse_initial_message_line (connection, line)) CONNECTION_CLOSE_ERROR (connection, NULL); else connection->state = MHD_CONNECTION_URL_RECEIVED; continue; case MHD_CONNECTION_URL_RECEIVED: line = get_next_header_line (connection); if (NULL == line) { if (MHD_CONNECTION_URL_RECEIVED != connection->state) continue; if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } break; } if (strlen (line) == 0) { connection->state = MHD_CONNECTION_HEADERS_RECEIVED; continue; } if (MHD_NO == process_header_line (connection, line)) { transmit_error_response (connection, MHD_HTTP_BAD_REQUEST, REQUEST_MALFORMED); break; } connection->state = MHD_CONNECTION_HEADER_PART_RECEIVED; continue; case MHD_CONNECTION_HEADER_PART_RECEIVED: line = get_next_header_line (connection); if (NULL == line) { if (connection->state != MHD_CONNECTION_HEADER_PART_RECEIVED) continue; if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } break; } if (MHD_NO == process_broken_line (connection, line, MHD_HEADER_KIND)) continue; if (0 == strlen (line)) { connection->state = MHD_CONNECTION_HEADERS_RECEIVED; continue; } continue; case MHD_CONNECTION_HEADERS_RECEIVED: parse_connection_headers (connection); if (MHD_CONNECTION_CLOSED == connection->state) continue; connection->state = MHD_CONNECTION_HEADERS_PROCESSED; continue; case MHD_CONNECTION_HEADERS_PROCESSED: call_connection_handler (connection); /* first call */ if (MHD_CONNECTION_CLOSED == connection->state) continue; if (need_100_continue (connection)) { connection->state = MHD_CONNECTION_CONTINUE_SENDING; break; } if ( (NULL != connection->response) && ( (0 == strcasecmp (connection->method, MHD_HTTP_METHOD_POST)) || (0 == strcasecmp (connection->method, MHD_HTTP_METHOD_PUT))) ) { /* we refused (no upload allowed!) */ connection->remaining_upload_size = 0; /* force close, in case client still tries to upload... */ connection->read_closed = MHD_YES; } connection->state = (0 == connection->remaining_upload_size) ? MHD_CONNECTION_FOOTERS_RECEIVED : MHD_CONNECTION_CONTINUE_SENT; continue; case MHD_CONNECTION_CONTINUE_SENDING: if (connection->continue_message_write_offset == strlen (HTTP_100_CONTINUE)) { connection->state = MHD_CONNECTION_CONTINUE_SENT; continue; } break; case MHD_CONNECTION_CONTINUE_SENT: if (connection->read_buffer_offset != 0) { process_request_body (connection); /* loop call */ if (MHD_CONNECTION_CLOSED == connection->state) continue; } if ((connection->remaining_upload_size == 0) || ((connection->remaining_upload_size == MHD_SIZE_UNKNOWN) && (connection->read_buffer_offset == 0) && (MHD_YES == connection->read_closed))) { if ((MHD_YES == connection->have_chunked_upload) && (MHD_NO == connection->read_closed)) connection->state = MHD_CONNECTION_BODY_RECEIVED; else connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; continue; } break; case MHD_CONNECTION_BODY_RECEIVED: line = get_next_header_line (connection); if (line == NULL) { if (connection->state != MHD_CONNECTION_BODY_RECEIVED) continue; if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } break; } if (strlen (line) == 0) { connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; continue; } if (MHD_NO == process_header_line (connection, line)) { transmit_error_response (connection, MHD_HTTP_BAD_REQUEST, REQUEST_MALFORMED); break; } connection->state = MHD_CONNECTION_FOOTER_PART_RECEIVED; continue; case MHD_CONNECTION_FOOTER_PART_RECEIVED: line = get_next_header_line (connection); if (line == NULL) { if (connection->state != MHD_CONNECTION_FOOTER_PART_RECEIVED) continue; if (MHD_YES == connection->read_closed) { CONNECTION_CLOSE_ERROR (connection, NULL); continue; } break; } if (MHD_NO == process_broken_line (connection, line, MHD_FOOTER_KIND)) continue; if (strlen (line) == 0) { connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; continue; } continue; case MHD_CONNECTION_FOOTERS_RECEIVED: call_connection_handler (connection); /* "final" call */ if (connection->state == MHD_CONNECTION_CLOSED) continue; if (connection->response == NULL) break; /* try again next time */ if (MHD_NO == build_header_response (connection)) { /* oops - close! */ CONNECTION_CLOSE_ERROR (connection, "Closing connection (failed to create response header)\n"); continue; } connection->state = MHD_CONNECTION_HEADERS_SENDING; #if HAVE_DECL_TCP_CORK /* starting header send, set TCP cork */ { const int val = 1; setsockopt (connection->socket_fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val)); } #endif break; case MHD_CONNECTION_HEADERS_SENDING: /* no default action */ break; case MHD_CONNECTION_HEADERS_SENT: if (connection->have_chunked_upload) connection->state = MHD_CONNECTION_CHUNKED_BODY_UNREADY; else connection->state = MHD_CONNECTION_NORMAL_BODY_UNREADY; continue; case MHD_CONNECTION_NORMAL_BODY_READY: /* nothing to do here */ break; case MHD_CONNECTION_NORMAL_BODY_UNREADY: if (NULL != connection->response->crc) pthread_mutex_lock (&connection->response->mutex); if (0 == connection->response->total_size) { if (NULL != connection->response->crc) pthread_mutex_unlock (&connection->response->mutex); connection->state = MHD_CONNECTION_BODY_SENT; continue; } if (MHD_YES == try_ready_normal_body (connection)) { if (NULL != connection->response->crc) pthread_mutex_unlock (&connection->response->mutex); connection->state = MHD_CONNECTION_NORMAL_BODY_READY; break; } /* not ready, no socket action */ break; case MHD_CONNECTION_CHUNKED_BODY_READY: /* nothing to do here */ break; case MHD_CONNECTION_CHUNKED_BODY_UNREADY: if (NULL != connection->response->crc) pthread_mutex_lock (&connection->response->mutex); if (0 == connection->response->total_size) { if (NULL != connection->response->crc) pthread_mutex_unlock (&connection->response->mutex); connection->state = MHD_CONNECTION_BODY_SENT; continue; } if (MHD_YES == try_ready_chunked_body (connection)) { if (NULL != connection->response->crc) pthread_mutex_unlock (&connection->response->mutex); connection->state = MHD_CONNECTION_CHUNKED_BODY_READY; continue; } if (NULL != connection->response->crc) pthread_mutex_unlock (&connection->response->mutex); break; case MHD_CONNECTION_BODY_SENT: build_header_response (connection); if (connection->write_buffer_send_offset == connection->write_buffer_append_offset) connection->state = MHD_CONNECTION_FOOTERS_SENT; else connection->state = MHD_CONNECTION_FOOTERS_SENDING; continue; case MHD_CONNECTION_FOOTERS_SENDING: /* no default action */ break; case MHD_CONNECTION_FOOTERS_SENT: #if HAVE_DECL_TCP_CORK /* done sending, uncork */ { const int val = 0; setsockopt (connection->socket_fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val)); } #endif end = MHD_get_response_header (connection->response, MHD_HTTP_HEADER_CONNECTION); rend = ( (MHD_YES == connection->read_closed) || ( (end != NULL) && (0 == strcasecmp (end, "close")) ) ); MHD_destroy_response (connection->response); connection->response = NULL; if (daemon->notify_completed != NULL) daemon->notify_completed (daemon->notify_completed_cls, connection, &connection->client_context, MHD_REQUEST_TERMINATED_COMPLETED_OK); connection->client_aware = MHD_NO; end = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONNECTION); connection->client_context = NULL; connection->continue_message_write_offset = 0; connection->responseCode = 0; connection->headers_received = NULL; connection->headers_received_tail = NULL; connection->response_write_position = 0; connection->have_chunked_upload = MHD_NO; connection->method = NULL; connection->url = NULL; connection->write_buffer = NULL; connection->write_buffer_size = 0; connection->write_buffer_send_offset = 0; connection->write_buffer_append_offset = 0; if ( (rend) || ((end != NULL) && (0 == strcasecmp (end, "close"))) ) { connection->read_closed = MHD_YES; connection->read_buffer_offset = 0; } if (((MHD_YES == connection->read_closed) && (0 == connection->read_buffer_offset)) || (connection->version == NULL) || (0 != strcasecmp (MHD_HTTP_VERSION_1_1, connection->version))) { /* http 1.0, version-less requests cannot be pipelined */ MHD_connection_close (connection, MHD_REQUEST_TERMINATED_COMPLETED_OK); MHD_pool_destroy (connection->pool); connection->pool = NULL; connection->read_buffer = NULL; connection->read_buffer_size = 0; connection->read_buffer_offset = 0; } else { connection->version = NULL; connection->state = MHD_CONNECTION_INIT; connection->read_buffer = MHD_pool_reset (connection->pool, connection->read_buffer, connection->read_buffer_size); } continue; case MHD_CONNECTION_CLOSED: cleanup_connection (connection); return MHD_NO; default: EXTRA_CHECK (0); break; } break; } timeout = connection->connection_timeout; if ( (timeout != 0) && (timeout <= (MHD_monotonic_time() - connection->last_activity)) ) { MHD_connection_close (connection, MHD_REQUEST_TERMINATED_TIMEOUT_REACHED); connection->in_idle = MHD_NO; return MHD_YES; } MHD_connection_update_event_loop_info (connection); #if EPOLL_SUPPORT switch (connection->event_loop_info) { case MHD_EVENT_LOOP_INFO_READ: if ( (0 != (connection->epoll_state & MHD_EPOLL_STATE_READ_READY)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_SUSPENDED)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, connection); connection->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } break; case MHD_EVENT_LOOP_INFO_WRITE: if ( (connection->read_buffer_size > connection->read_buffer_offset) && (0 != (connection->epoll_state & MHD_EPOLL_STATE_READ_READY)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_SUSPENDED)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, connection); connection->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } if ( (0 != (connection->epoll_state & MHD_EPOLL_STATE_WRITE_READY)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_SUSPENDED)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL)) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, connection); connection->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } break; case MHD_EVENT_LOOP_INFO_BLOCK: /* we should look at this connection again in the next iteration of the event loop, as we're waiting on the application */ if ( (0 == (connection->epoll_state & MHD_EPOLL_STATE_IN_EREADY_EDLL) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_SUSPENDED))) ) { EDLL_insert (daemon->eready_head, daemon->eready_tail, connection); connection->epoll_state |= MHD_EPOLL_STATE_IN_EREADY_EDLL; } break; case MHD_EVENT_LOOP_INFO_CLEANUP: /* This connection is finished, nothing left to do */ break; } return MHD_connection_epoll_update_ (connection); #else return MHD_YES; #endif } #if EPOLL_SUPPORT /** * Perform epoll() processing, possibly moving the connection back into * the epoll() set if needed. * * @param connection connection to process * @return #MHD_YES if we should continue to process the * connection (not dead yet), #MHD_NO if it died */ int MHD_connection_epoll_update_ (struct MHD_Connection *connection) { struct MHD_Daemon *daemon = connection->daemon; if ( (0 != (daemon->options & MHD_USE_EPOLL_LINUX_ONLY)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_IN_EPOLL_SET)) && (0 == (connection->epoll_state & MHD_EPOLL_STATE_SUSPENDED)) && ( (0 == (connection->epoll_state & MHD_EPOLL_STATE_WRITE_READY)) || ( (0 == (connection->epoll_state & MHD_EPOLL_STATE_READ_READY)) && ( (MHD_EVENT_LOOP_INFO_READ == connection->event_loop_info) || (connection->read_buffer_size > connection->read_buffer_offset) ) && (MHD_NO == connection->read_closed) ) ) ) { /* add to epoll set */ struct epoll_event event; event.events = EPOLLIN | EPOLLOUT | EPOLLET; event.data.ptr = connection; if (0 != epoll_ctl (daemon->epoll_fd, EPOLL_CTL_ADD, connection->socket_fd, &event)) { #if HAVE_MESSAGES if (0 != (daemon->options & MHD_USE_DEBUG)) MHD_DLOG (daemon, "Call to epoll_ctl failed: %s\n", STRERROR (errno)); #endif connection->state = MHD_CONNECTION_CLOSED; cleanup_connection (connection); return MHD_NO; } connection->epoll_state |= MHD_EPOLL_STATE_IN_EPOLL_SET; } connection->in_idle = MHD_NO; return MHD_YES; } #endif /** * Set callbacks for this connection to those for HTTP. * * @param connection connection to initialize */ void MHD_set_http_callbacks_ (struct MHD_Connection *connection) { connection->read_handler = &MHD_connection_handle_read; connection->write_handler = &MHD_connection_handle_write; connection->idle_handler = &MHD_connection_handle_idle; } /** * Obtain information about the given connection. * * @param connection what connection to get information about * @param info_type what information is desired? * @param ... depends on @a info_type * @return NULL if this information is not available * (or if the @a info_type is unknown) * @ingroup specialized */ const union MHD_ConnectionInfo * MHD_get_connection_info (struct MHD_Connection *connection, enum MHD_ConnectionInfoType info_type, ...) { switch (info_type) { #if HTTPS_SUPPORT case MHD_CONNECTION_INFO_CIPHER_ALGO: if (connection->tls_session == NULL) return NULL; connection->cipher = gnutls_cipher_get (connection->tls_session); return (const union MHD_ConnectionInfo *) &connection->cipher; case MHD_CONNECTION_INFO_PROTOCOL: if (connection->tls_session == NULL) return NULL; connection->protocol = gnutls_protocol_get_version (connection->tls_session); return (const union MHD_ConnectionInfo *) &connection->protocol; case MHD_CONNECTION_INFO_GNUTLS_SESSION: if (connection->tls_session == NULL) return NULL; return (const union MHD_ConnectionInfo *) &connection->tls_session; #endif case MHD_CONNECTION_INFO_CLIENT_ADDRESS: return (const union MHD_ConnectionInfo *) &connection->addr; case MHD_CONNECTION_INFO_DAEMON: return (const union MHD_ConnectionInfo *) &connection->daemon; case MHD_CONNECTION_INFO_CONNECTION_FD: return (const union MHD_ConnectionInfo *) &connection->socket_fd; default: return NULL; }; } /** * Set a custom option for the given connection, overriding defaults. * * @param connection connection to modify * @param option option to set * @param ... arguments to the option, depending on the option type * @return #MHD_YES on success, #MHD_NO if setting the option failed * @ingroup specialized */ int MHD_set_connection_option (struct MHD_Connection *connection, enum MHD_CONNECTION_OPTION option, ...) { va_list ap; struct MHD_Daemon *daemon; daemon = connection->daemon; switch (option) { case MHD_CONNECTION_OPTION_TIMEOUT: if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_lock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to acquire cleanup mutex\n"); if (connection->connection_timeout == daemon->connection_timeout) XDLL_remove (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); else XDLL_remove (daemon->manual_timeout_head, daemon->manual_timeout_tail, connection); va_start (ap, option); connection->connection_timeout = va_arg (ap, unsigned int); va_end (ap); if (connection->connection_timeout == daemon->connection_timeout) XDLL_insert (daemon->normal_timeout_head, daemon->normal_timeout_tail, connection); else XDLL_insert (daemon->manual_timeout_head, daemon->manual_timeout_tail, connection); if ( (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION)) && (0 != pthread_mutex_unlock (&daemon->cleanup_connection_mutex)) ) MHD_PANIC ("Failed to release cleanup mutex\n"); return MHD_YES; default: return MHD_NO; } } /** * Queue a response to be transmitted to the client (as soon as * possible but after #MHD_AccessHandlerCallback returns). * * @param connection the connection identifying the client * @param status_code HTTP status code (i.e. #MHD_HTTP_OK) * @param response response to transmit * @return #MHD_NO on error (i.e. reply already sent), * #MHD_YES on success or if message has been queued * @ingroup response */ int MHD_queue_response (struct MHD_Connection *connection, unsigned int status_code, struct MHD_Response *response) { if ( (NULL == connection) || (NULL == response) || (NULL != connection->response) || ( (MHD_CONNECTION_HEADERS_PROCESSED != connection->state) && (MHD_CONNECTION_FOOTERS_RECEIVED != connection->state) ) ) return MHD_NO; MHD_increment_response_rc (response); connection->response = response; connection->responseCode = status_code; if ( (NULL != connection->method) && (0 == strcasecmp (connection->method, MHD_HTTP_METHOD_HEAD)) ) { /* if this is a "HEAD" request, pretend that we have already sent the full message body */ connection->response_write_position = response->total_size; } if ( (MHD_CONNECTION_HEADERS_PROCESSED == connection->state) && (NULL != connection->method) && ( (0 == strcasecmp (connection->method, MHD_HTTP_METHOD_POST)) || (0 == strcasecmp (connection->method, MHD_HTTP_METHOD_PUT))) ) { /* response was queued "early", refuse to read body / footers or further requests! */ connection->read_closed = MHD_YES; connection->state = MHD_CONNECTION_FOOTERS_RECEIVED; } if (MHD_NO == connection->in_idle) (void) MHD_connection_handle_idle (connection); return MHD_YES; } /* end of connection.c */ libmicrohttpd-0.9.33/src/microhttpd/md5.c0000644000175000017500000002005012161414221015157 00000000000000/* * This code implements the MD5 message-digest algorithm. * The algorithm is due to Ron Rivest. This code was * written by Colin Plumb in 1993, no copyright is claimed. * This code is in the public domain; do with it what you wish. * * Equivalent code is available from RSA Data Security, Inc. * This code has been tested against that, and is equivalent, * except that you don't need to include two pages of legalese * with every copy. * * To compute the message digest of a chunk of bytes, declare an * MD5Context structure, pass it to MD5Init, call MD5Update as * needed on buffers full of bytes, and then call MD5Final, which * will fill a supplied 16-byte array with the digest. */ /* Brutally hacked by John Walker back from ANSI C to K&R (no prototypes) to maintain the tradition that Netfone will compile with Sun's original "cc". */ #include "md5.h" #ifndef HIGHFIRST #define byteReverse(buf, len) /* Nothing */ #else /* * Note: this code is harmless on little-endian machines. */ static void byteReverse(unsigned char *buf, unsigned longs) { uint32_t t; do { t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 | ((unsigned) buf[1] << 8 | buf[0]); *(uint32_t *) buf = t; buf += 4; } while (--longs); } #endif /* The four core functions - F1 is optimized somewhat */ /* #define F1(x, y, z) (x & y | ~x & z) */ #define F1(x, y, z) (z ^ (x & (y ^ z))) #define F2(x, y, z) F1(z, x, y) #define F3(x, y, z) (x ^ y ^ z) #define F4(x, y, z) (y ^ (x | ~z)) /* This is the central step in the MD5 algorithm. */ #define MD5STEP(f, w, x, y, z, data, s) \ ( w += f(x, y, z) + data, w = w<>(32-s), w += x ) /* * The core of the MD5 algorithm, this alters an existing MD5 hash to * reflect the addition of 16 longwords of new data. MD5Update blocks * the data and converts bytes into longwords for this routine. */ static void MD5Transform(uint32_t buf[4], uint32_t in[16]) { uint32_t a, b, c, d; a = buf[0]; b = buf[1]; c = buf[2]; d = buf[3]; MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); buf[0] += a; buf[1] += b; buf[2] += c; buf[3] += d; } /* * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious * initialization constants. */ void MD5Init(struct MD5Context *ctx) { ctx->buf[0] = 0x67452301; ctx->buf[1] = 0xefcdab89; ctx->buf[2] = 0x98badcfe; ctx->buf[3] = 0x10325476; ctx->bits[0] = 0; ctx->bits[1] = 0; } /* * Update context to reflect the concatenation of another buffer full * of bytes. */ void MD5Update(struct MD5Context *ctx, const void *data, unsigned len) { const unsigned char *buf = data; uint32_t t; /* Update bitcount */ t = ctx->bits[0]; if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t) ctx->bits[1]++; /* Carry from low to high */ ctx->bits[1] += len >> 29; t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ /* Handle any leading odd-sized chunks */ if (t) { unsigned char *p = (unsigned char *) ctx->in + t; t = 64 - t; if (len < t) { memcpy(p, buf, len); return; } memcpy(p, buf, t); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); buf += t; len -= t; } /* Process data in 64-byte chunks */ while (len >= 64) { memcpy(ctx->in, buf, 64); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); buf += 64; len -= 64; } /* Handle any remaining bytes of data. */ memcpy(ctx->in, buf, len); } /* * Final wrapup - pad to 64-byte boundary with the bit pattern * 1 0* (64-bit count of bits processed, MSB-first) */ void MD5Final(unsigned char digest[16], struct MD5Context *ctx) { unsigned count; unsigned char *p; /* Compute number of bytes mod 64 */ count = (ctx->bits[0] >> 3) & 0x3F; /* Set the first char of padding to 0x80. This is safe since there is always at least one byte free */ p = ctx->in + count; *p++ = 0x80; /* Bytes of padding needed to make 64 bytes */ count = 64 - 1 - count; /* Pad out to 56 mod 64 */ if (count < 8) { /* Two lots of padding: Pad the first block to 64 bytes */ memset(p, 0, count); byteReverse(ctx->in, 16); MD5Transform(ctx->buf, (uint32_t *) ctx->in); /* Now fill the next block with 56 bytes */ memset(ctx->in, 0, 56); } else { /* Pad block to 56 bytes */ memset(p, 0, count - 8); } byteReverse(ctx->in, 14); /* Append length in bits and transform */ ((uint32_t *) ctx->in)[14] = ctx->bits[0]; ((uint32_t *) ctx->in)[15] = ctx->bits[1]; MD5Transform(ctx->buf, (uint32_t *) ctx->in); byteReverse((unsigned char *) ctx->buf, 4); memcpy(digest, ctx->buf, 16); memset(ctx, 0, sizeof(struct MD5Context)); /* In case it's sensitive */ } /* end of md5.c */ libmicrohttpd-0.9.33/src/microhttpd/internal.h0000644000175000017500000007647312255340712016346 00000000000000/* This file is part of libmicrohttpd (C) 2007-2013 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file microhttpd/internal.h * @brief internal shared structures * @author Daniel Pittman * @author Christian Grothoff */ #ifndef INTERNAL_H #define INTERNAL_H #include "platform.h" #include "microhttpd.h" #if HTTPS_SUPPORT #include #if GNUTLS_VERSION_MAJOR >= 3 #include #endif #endif #if EPOLL_SUPPORT #include #endif /** * Should we perform additional sanity checks at runtime (on our internal * invariants)? This may lead to aborts, but can be useful for debugging. */ #define EXTRA_CHECKS MHD_NO #define MHD_MAX(a,b) ((a)<(b)) ? (b) : (a) #define MHD_MIN(a,b) ((a)<(b)) ? (a) : (b) /** * Minimum size by which MHD tries to increment read/write buffers. * We usually begin with half the available pool space for the * IO-buffer, but if absolutely needed we additively grow by the * number of bytes given here (up to -- theoretically -- the full pool * space). */ #define MHD_BUF_INC_SIZE 1024 /** * Handler for fatal errors. */ extern MHD_PanicCallback mhd_panic; /** * Closure argument for "mhd_panic". */ extern void *mhd_panic_cls; #if HAVE_MESSAGES /** * Trigger 'panic' action based on fatal errors. * * @param msg error message (const char *) */ #define MHD_PANIC(msg) mhd_panic (mhd_panic_cls, __FILE__, __LINE__, msg) #else /** * Trigger 'panic' action based on fatal errors. * * @param msg error message (const char *) */ #define MHD_PANIC(msg) mhd_panic (mhd_panic_cls, __FILE__, __LINE__, NULL) #endif /** * State of the socket with respect to epoll (bitmask). */ enum MHD_EpollState { /** * The socket is not involved with a defined state in epoll right * now. */ MHD_EPOLL_STATE_UNREADY = 0, /** * epoll told us that data was ready for reading, and we did * not consume all of it yet. */ MHD_EPOLL_STATE_READ_READY = 1, /** * epoll told us that space was available for writing, and we did * not consume all of it yet. */ MHD_EPOLL_STATE_WRITE_READY = 2, /** * Is this connection currently in the 'eready' EDLL? */ MHD_EPOLL_STATE_IN_EREADY_EDLL = 4, /** * Is this connection currently in the 'epoll' set? */ MHD_EPOLL_STATE_IN_EPOLL_SET = 8, /** * Is this connection currently suspended? */ MHD_EPOLL_STATE_SUSPENDED = 16 }; /** * What is this connection waiting for? */ enum MHD_ConnectionEventLoopInfo { /** * We are waiting to be able to read. */ MHD_EVENT_LOOP_INFO_READ = 0, /** * We are waiting to be able to write. */ MHD_EVENT_LOOP_INFO_WRITE = 1, /** * We are waiting for the application to provide data. */ MHD_EVENT_LOOP_INFO_BLOCK = 2, /** * We are finished and are awaiting cleanup. */ MHD_EVENT_LOOP_INFO_CLEANUP = 3 }; /** * Maximum length of a nonce in digest authentication. 32(MD5 Hex) + * 8(Timestamp Hex) + 1(NULL); hence 41 should suffice, but Opera * (already) takes more (see Mantis #1633), so we've increased the * value to support something longer... */ #define MAX_NONCE_LENGTH 129 /** * A structure representing the internal holder of the * nonce-nc map. */ struct MHD_NonceNc { /** * Nonce counter, a value that increases for each subsequent * request for the same nonce. */ unsigned long int nc; /** * Nonce value: */ char nonce[MAX_NONCE_LENGTH]; }; #if HAVE_MESSAGES /** * fprintf-like helper function for logging debug * messages. */ void MHD_DLOG (const struct MHD_Daemon *daemon, const char *format, ...); #endif /** * Process escape sequences ('+'=space, %HH) Updates val in place; the * result should be UTF-8 encoded and cannot be larger than the input. * The result must also still be 0-terminated. * * @param cls closure (use NULL) * @param connection handle to connection, not used * @param val value to unescape (modified in the process) * @return length of the resulting val (strlen(val) maybe * shorter afterwards due to elimination of escape sequences) */ size_t MHD_http_unescape (void *cls, struct MHD_Connection *connection, char *val); /** * Header or cookie in HTTP request or response. */ struct MHD_HTTP_Header { /** * Headers are kept in a linked list. */ struct MHD_HTTP_Header *next; /** * The name of the header (key), without * the colon. */ char *header; /** * The value of the header. */ char *value; /** * Type of the header (where in the HTTP * protocol is this header from). */ enum MHD_ValueKind kind; }; /** * Representation of a response. */ struct MHD_Response { /** * Headers to send for the response. Initially * the linked list is created in inverse order; * the order should be inverted before sending! */ struct MHD_HTTP_Header *first_header; /** * Buffer pointing to data that we are supposed * to send as a response. */ char *data; /** * Closure to give to the content reader * free callback. */ void *crc_cls; /** * How do we get more data? NULL if we are * given all of the data up front. */ MHD_ContentReaderCallback crc; /** * NULL if data must not be freed, otherwise * either user-specified callback or "&free". */ MHD_ContentReaderFreeCallback crfc; /** * Mutex to synchronize access to data/size and * reference counts. */ pthread_mutex_t mutex; /** * Set to MHD_SIZE_UNKNOWN if size is not known. */ uint64_t total_size; /** * At what offset in the stream is the * beginning of data located? */ uint64_t data_start; /** * Offset to start reading from when using 'fd'. */ off_t fd_off; /** * Size of data. */ size_t data_size; /** * Size of the data buffer. */ size_t data_buffer_size; /** * Reference count for this response. Free * once the counter hits zero. */ unsigned int reference_count; /** * File-descriptor if this response is FD-backed. */ int fd; }; /** * States in a state machine for a connection. * * Transitions are any-state to CLOSED, any state to state+1, * FOOTERS_SENT to INIT. CLOSED is the terminal state and * INIT the initial state. * * Note that transitions for *reading* happen only after * the input has been processed; transitions for * *writing* happen after the respective data has been * put into the write buffer (the write does not have * to be completed yet). A transition to CLOSED or INIT * requires the write to be complete. */ enum MHD_CONNECTION_STATE { /** * Connection just started (no headers received). * Waiting for the line with the request type, URL and version. */ MHD_CONNECTION_INIT = 0, /** * 1: We got the URL (and request type and version). Wait for a header line. */ MHD_CONNECTION_URL_RECEIVED = MHD_CONNECTION_INIT + 1, /** * 2: We got part of a multi-line request header. Wait for the rest. */ MHD_CONNECTION_HEADER_PART_RECEIVED = MHD_CONNECTION_URL_RECEIVED + 1, /** * 3: We got the request headers. Process them. */ MHD_CONNECTION_HEADERS_RECEIVED = MHD_CONNECTION_HEADER_PART_RECEIVED + 1, /** * 4: We have processed the request headers. Send 100 continue. */ MHD_CONNECTION_HEADERS_PROCESSED = MHD_CONNECTION_HEADERS_RECEIVED + 1, /** * 5: We have processed the headers and need to send 100 CONTINUE. */ MHD_CONNECTION_CONTINUE_SENDING = MHD_CONNECTION_HEADERS_PROCESSED + 1, /** * 6: We have sent 100 CONTINUE (or do not need to). Read the message body. */ MHD_CONNECTION_CONTINUE_SENT = MHD_CONNECTION_CONTINUE_SENDING + 1, /** * 7: We got the request body. Wait for a line of the footer. */ MHD_CONNECTION_BODY_RECEIVED = MHD_CONNECTION_CONTINUE_SENT + 1, /** * 8: We got part of a line of the footer. Wait for the * rest. */ MHD_CONNECTION_FOOTER_PART_RECEIVED = MHD_CONNECTION_BODY_RECEIVED + 1, /** * 9: We received the entire footer. Wait for a response to be queued * and prepare the response headers. */ MHD_CONNECTION_FOOTERS_RECEIVED = MHD_CONNECTION_FOOTER_PART_RECEIVED + 1, /** * 10: We have prepared the response headers in the writ buffer. * Send the response headers. */ MHD_CONNECTION_HEADERS_SENDING = MHD_CONNECTION_FOOTERS_RECEIVED + 1, /** * 11: We have sent the response headers. Get ready to send the body. */ MHD_CONNECTION_HEADERS_SENT = MHD_CONNECTION_HEADERS_SENDING + 1, /** * 12: We are ready to send a part of a non-chunked body. Send it. */ MHD_CONNECTION_NORMAL_BODY_READY = MHD_CONNECTION_HEADERS_SENT + 1, /** * 13: We are waiting for the client to provide more * data of a non-chunked body. */ MHD_CONNECTION_NORMAL_BODY_UNREADY = MHD_CONNECTION_NORMAL_BODY_READY + 1, /** * 14: We are ready to send a chunk. */ MHD_CONNECTION_CHUNKED_BODY_READY = MHD_CONNECTION_NORMAL_BODY_UNREADY + 1, /** * 15: We are waiting for the client to provide a chunk of the body. */ MHD_CONNECTION_CHUNKED_BODY_UNREADY = MHD_CONNECTION_CHUNKED_BODY_READY + 1, /** * 16: We have sent the response body. Prepare the footers. */ MHD_CONNECTION_BODY_SENT = MHD_CONNECTION_CHUNKED_BODY_UNREADY + 1, /** * 17: We have prepared the response footer. Send it. */ MHD_CONNECTION_FOOTERS_SENDING = MHD_CONNECTION_BODY_SENT + 1, /** * 18: We have sent the response footer. Shutdown or restart. */ MHD_CONNECTION_FOOTERS_SENT = MHD_CONNECTION_FOOTERS_SENDING + 1, /** * 19: This connection is to be closed. */ MHD_CONNECTION_CLOSED = MHD_CONNECTION_FOOTERS_SENT + 1, /** * 20: This connection is finished (only to be freed) */ MHD_CONNECTION_IN_CLEANUP = MHD_CONNECTION_CLOSED + 1, /* * SSL/TLS connection states */ /** * The initial connection state for all secure connectoins * Handshake messages will be processed in this state & while * in the 'MHD_TLS_HELLO_REQUEST' state */ MHD_TLS_CONNECTION_INIT = MHD_CONNECTION_IN_CLEANUP + 1 }; /** * Should all state transitions be printed to stderr? */ #define DEBUG_STATES MHD_NO #if HAVE_MESSAGES #if DEBUG_STATES const char * MHD_state_to_string (enum MHD_CONNECTION_STATE state); #endif #endif /** * Function to receive plaintext data. * * @param conn the connection struct * @param write_to where to write received data * @param max_bytes maximum number of bytes to receive * @return number of bytes written to write_to */ typedef ssize_t (*ReceiveCallback) (struct MHD_Connection * conn, void *write_to, size_t max_bytes); /** * Function to transmit plaintext data. * * @param conn the connection struct * @param read_from where to read data to transmit * @param max_bytes maximum number of bytes to transmit * @return number of bytes transmitted */ typedef ssize_t (*TransmitCallback) (struct MHD_Connection * conn, const void *write_to, size_t max_bytes); /** * State kept for each HTTP request. */ struct MHD_Connection { #if EPOLL_SUPPORT /** * Next pointer for the EDLL listing connections that are epoll-ready. */ struct MHD_Connection *nextE; /** * Previous pointer for the EDLL listing connections that are epoll-ready. */ struct MHD_Connection *prevE; #endif /** * Next pointer for the DLL describing our IO state. */ struct MHD_Connection *next; /** * Previous pointer for the DLL describing our IO state. */ struct MHD_Connection *prev; /** * Next pointer for the XDLL organizing connections by timeout. */ struct MHD_Connection *nextX; /** * Previous pointer for the XDLL organizing connections by timeout. */ struct MHD_Connection *prevX; /** * Reference to the MHD_Daemon struct. */ struct MHD_Daemon *daemon; /** * Linked list of parsed headers. */ struct MHD_HTTP_Header *headers_received; /** * Tail of linked list of parsed headers. */ struct MHD_HTTP_Header *headers_received_tail; /** * Response to transmit (initially NULL). */ struct MHD_Response *response; /** * The memory pool is created whenever we first read * from the TCP stream and destroyed at the end of * each request (and re-created for the next request). * In the meantime, this pointer is NULL. The * pool is used for all connection-related data * except for the response (which maybe shared between * connections) and the IP address (which persists * across individual requests). */ struct MemoryPool *pool; /** * We allow the main application to associate some * pointer with the connection. Here is where we * store it. (MHD does not know or care what it * is). */ void *client_context; /** * Request method. Should be GET/POST/etc. Allocated * in pool. */ char *method; /** * Requested URL (everything after "GET" only). Allocated * in pool. */ char *url; /** * HTTP version string (i.e. http/1.1). Allocated * in pool. */ char *version; /** * Buffer for reading requests. Allocated * in pool. Actually one byte larger than * read_buffer_size (if non-NULL) to allow for * 0-termination. */ char *read_buffer; /** * Buffer for writing response (headers only). Allocated * in pool. */ char *write_buffer; /** * Last incomplete header line during parsing of headers. * Allocated in pool. Only valid if state is * either HEADER_PART_RECEIVED or FOOTER_PART_RECEIVED. */ char *last; /** * Position after the colon on the last incomplete header * line during parsing of headers. * Allocated in pool. Only valid if state is * either HEADER_PART_RECEIVED or FOOTER_PART_RECEIVED. */ char *colon; /** * Foreign address (of length addr_len). MALLOCED (not * in pool!). */ struct sockaddr *addr; /** * Thread for this connection (if we are using * one thread per connection). */ pthread_t pid; /** * Size of read_buffer (in bytes). This value indicates * how many bytes we're willing to read into the buffer; * the real buffer is one byte longer to allow for * adding zero-termination (when needed). */ size_t read_buffer_size; /** * Position where we currently append data in * read_buffer (last valid position). */ size_t read_buffer_offset; /** * Size of write_buffer (in bytes). */ size_t write_buffer_size; /** * Offset where we are with sending from write_buffer. */ size_t write_buffer_send_offset; /** * Last valid location in write_buffer (where do we * append and up to where is it safe to send?) */ size_t write_buffer_append_offset; /** * How many more bytes of the body do we expect * to read? MHD_SIZE_UNKNOWN for unknown. */ uint64_t remaining_upload_size; /** * Current write position in the actual response * (excluding headers, content only; should be 0 * while sending headers). */ uint64_t response_write_position; /** * Position in the 100 CONTINUE message that * we need to send when receiving http 1.1 requests. */ size_t continue_message_write_offset; /** * Length of the foreign address. */ socklen_t addr_len; /** * Last time this connection had any activity * (reading or writing). */ time_t last_activity; /** * After how many seconds of inactivity should * this connection time out? Zero for no timeout. */ unsigned int connection_timeout; /** * Did we ever call the "default_handler" on this connection? * (this flag will determine if we call the 'notify_completed' * handler when the connection closes down). */ int client_aware; /** * Socket for this connection. Set to -1 if * this connection has died (daemon should clean * up in that case). */ int socket_fd; /** * Has this socket been closed for reading (i.e. other side closed * the connection)? If so, we must completely close the connection * once we are done sending our response (and stop trying to read * from this socket). */ int read_closed; /** * Set to MHD_YES if the thread has been joined. */ int thread_joined; /** * Are we currently inside the "idle" handler (to avoid recursively invoking it). */ int in_idle; #if EPOLL_SUPPORT /** * What is the state of this socket in relation to epoll? */ enum MHD_EpollState epoll_state; #endif /** * State in the FSM for this connection. */ enum MHD_CONNECTION_STATE state; /** * What is this connection waiting for? */ enum MHD_ConnectionEventLoopInfo event_loop_info; /** * HTTP response code. Only valid if response object * is already set. */ unsigned int responseCode; /** * Set to MHD_YES if the response's content reader * callback failed to provide data the last time * we tried to read from it. In that case, the * write socket should be marked as unready until * the CRC call succeeds. */ int response_unready; /** * Are we receiving with chunked encoding? This will be set to * MHD_YES after we parse the headers and are processing the body * with chunks. After we are done with the body and we are * processing the footers; once the footers are also done, this will * be set to MHD_NO again (before the final call to the handler). */ int have_chunked_upload; /** * If we are receiving with chunked encoding, where are we right * now? Set to 0 if we are waiting to receive the chunk size; * otherwise, this is the size of the current chunk. A value of * zero is also used when we're at the end of the chunks. */ unsigned int current_chunk_size; /** * If we are receiving with chunked encoding, where are we currently * with respect to the current chunk (at what offset / position)? */ unsigned int current_chunk_offset; /** * Handler used for processing read connection operations */ int (*read_handler) (struct MHD_Connection * connection); /** * Handler used for processing write connection operations */ int (*write_handler) (struct MHD_Connection * connection); /** * Handler used for processing idle connection operations */ int (*idle_handler) (struct MHD_Connection * connection); /** * Function used for reading HTTP request stream. */ ReceiveCallback recv_cls; /** * Function used for writing HTTP response stream. */ TransmitCallback send_cls; #if HTTPS_SUPPORT /** * State required for HTTPS/SSL/TLS support. */ gnutls_session_t tls_session; /** * Memory location to return for protocol session info. */ int protocol; /** * Memory location to return for protocol session info. */ int cipher; /** * Could it be that we are ready to read due to TLS buffers * even though the socket is not? */ int tls_read_ready; #endif /** * Is the connection suspended? */ int suspended; /** * Is the connection wanting to resume? */ int resuming; }; /** * Signature of function called to log URI accesses. * * @param cls closure * @param uri uri being accessed * @param con connection handle * @return new closure */ typedef void * (*LogCallback)(void * cls, const char * uri, struct MHD_Connection *con); /** * Signature of function called to unescape URIs. See also * MHD_http_unescape. * * @param cls closure * @param conn connection handle * @param uri 0-terminated string to unescape (should be updated) * @return length of the resulting string */ typedef size_t (*UnescapeCallback)(void *cls, struct MHD_Connection *conn, char *uri); /** * State kept for each MHD daemon. All connections are kept in two * doubly-linked lists. The first one reflects the state of the * connection in terms of what operations we are waiting for (read, * write, locally blocked, cleanup) whereas the second is about its * timeout state (default or custom). */ struct MHD_Daemon { /** * Callback function for all requests. */ MHD_AccessHandlerCallback default_handler; /** * Closure argument to default_handler. */ void *default_handler_cls; /** * Head of doubly-linked list of our current, active connections. */ struct MHD_Connection *connections_head; /** * Tail of doubly-linked list of our current, active connections. */ struct MHD_Connection *connections_tail; /** * Head of doubly-linked list of our current but suspended connections. */ struct MHD_Connection *suspended_connections_head; /** * Tail of doubly-linked list of our current but suspended connections. */ struct MHD_Connection *suspended_connections_tail; /** * Head of doubly-linked list of connections to clean up. */ struct MHD_Connection *cleanup_head; /** * Tail of doubly-linked list of connections to clean up. */ struct MHD_Connection *cleanup_tail; #if EPOLL_SUPPORT /** * Head of EDLL of connections ready for processing (in epoll mode). */ struct MHD_Connection *eready_head; /** * Tail of EDLL of connections ready for processing (in epoll mode) */ struct MHD_Connection *eready_tail; #endif /** * Head of the XDLL of ALL connections with a default ('normal') * timeout, sorted by timeout (earliest at the tail, most recently * used connection at the head). MHD can just look at the tail of * this list to determine the timeout for all of its elements; * whenever there is an event of a connection, the connection is * moved back to the tail of the list. * * All connections by default start in this list; if a custom * timeout that does not match 'connection_timeout' is set, they * are moved to the 'manual_timeout_head'-XDLL. */ struct MHD_Connection *normal_timeout_head; /** * Tail of the XDLL of ALL connections with a default timeout, * sorted by timeout (earliest timeout at the tail). */ struct MHD_Connection *normal_timeout_tail; /** * Head of the XDLL of ALL connections with a non-default/custom * timeout, unsorted. MHD will do a O(n) scan over this list to * determine the current timeout. */ struct MHD_Connection *manual_timeout_head; /** * Tail of the XDLL of ALL connections with a non-default/custom * timeout, unsorted. */ struct MHD_Connection *manual_timeout_tail; /** * Function to call to check if we should accept or reject an * incoming request. May be NULL. */ MHD_AcceptPolicyCallback apc; /** * Closure argument to apc. */ void *apc_cls; /** * Function to call when we are done processing * a particular request. May be NULL. */ MHD_RequestCompletedCallback notify_completed; /** * Closure argument to notify_completed. */ void *notify_completed_cls; /** * Function to call with the full URI at the * beginning of request processing. May be NULL. *

    * Returns the initial pointer to internal state * kept by the client for the request. */ LogCallback uri_log_callback; /** * Closure argument to uri_log_callback. */ void *uri_log_callback_cls; /** * Function to call when we unescape escape sequences. */ UnescapeCallback unescape_callback; /** * Closure for unescape callback. */ void *unescape_callback_cls; #if HAVE_MESSAGES /** * Function for logging error messages (if we * support error reporting). */ void (*custom_error_log) (void *cls, const char *fmt, va_list va); /** * Closure argument to custom_error_log. */ void *custom_error_log_cls; #endif /** * Pointer to master daemon (NULL if this is the master) */ struct MHD_Daemon *master; /** * Worker daemons (one per thread) */ struct MHD_Daemon *worker_pool; /** * Table storing number of connections per IP */ void *per_ip_connection_count; /** * Size of the per-connection memory pools. */ size_t pool_size; /** * Increment for growth of the per-connection memory pools. */ size_t pool_increment; /** * Size of threads created by MHD. */ size_t thread_stack_size; /** * Number of worker daemons */ unsigned int worker_pool_size; /** * PID of the select thread (if we have internal select) */ pthread_t pid; /** * Mutex for per-IP connection counts. */ pthread_mutex_t per_ip_connection_mutex; /** * Mutex for (modifying) access to the "cleanup" connection DLL. */ pthread_mutex_t cleanup_connection_mutex; /** * Listen socket. */ int socket_fd; #if EPOLL_SUPPORT /** * File descriptor associated with our epoll loop. */ int epoll_fd; /** * MHD_YES if the listen socket is in the 'epoll' set, * MHD_NO if not. */ int listen_socket_in_epoll; #endif /** * Pipe we use to signal shutdown, unless * 'HAVE_LISTEN_SHUTDOWN' is defined AND we have a listen * socket (which we can then 'shutdown' to stop listening). * On W32 this is a socketpair, not a pipe. */ int wpipe[2]; /** * Are we shutting down? */ int shutdown; /* * Do we need to process resuming connections? */ int resuming; /** * Limit on the number of parallel connections. */ unsigned int max_connections; /** * After how many seconds of inactivity should * connections time out? Zero for no timeout. */ unsigned int connection_timeout; /** * Maximum number of connections per IP, or 0 for * unlimited. */ unsigned int per_ip_connection_limit; /** * Daemon's options. */ enum MHD_OPTION options; /** * Listen port. */ uint16_t port; #if HTTPS_SUPPORT /** * Desired cipher algorithms. */ gnutls_priority_t priority_cache; /** * What kind of credentials are we offering * for SSL/TLS? */ gnutls_credentials_type_t cred_type; /** * Server x509 credentials */ gnutls_certificate_credentials_t x509_cred; /** * Diffie-Hellman parameters */ gnutls_dh_params_t dh_params; #if GNUTLS_VERSION_MAJOR >= 3 /** * Function that can be used to obtain the certificate. Needed * for SNI support. See #MHD_OPTION_HTTPS_CERT_CALLBACK. */ gnutls_certificate_retrieve_function2 *cert_callback; #endif /** * Pointer to our SSL/TLS key (in ASCII) in memory. */ const char *https_mem_key; /** * Pointer to our SSL/TLS certificate (in ASCII) in memory. */ const char *https_mem_cert; /** * Pointer to our SSL/TLS certificate authority (in ASCII) in memory. */ const char *https_mem_trust; /** * For how many connections do we have 'tls_read_ready' set to MHD_YES? * Used to avoid O(n) traversal over all connections when determining * event-loop timeout (as it needs to be zero if there is any connection * which might have ready data within TLS). */ unsigned int num_tls_read_ready; #endif #ifdef DAUTH_SUPPORT /** * Character array of random values. */ const char *digest_auth_random; /** * An array that contains the map nonce-nc. */ struct MHD_NonceNc *nnc; /** * A rw-lock for synchronizing access to `nnc'. */ pthread_mutex_t nnc_lock; /** * Size of `digest_auth_random. */ unsigned int digest_auth_rand_size; /** * Size of the nonce-nc array. */ unsigned int nonce_nc_size; #endif }; #if EXTRA_CHECKS #define EXTRA_CHECK(a) if (!(a)) abort(); #else #define EXTRA_CHECK(a) #endif /** * Insert an element at the head of a DLL. Assumes that head, tail and * element are structs with prev and next fields. * * @param head pointer to the head of the DLL * @param tail pointer to the tail of the DLL * @param element element to insert */ #define DLL_insert(head,tail,element) do { \ (element)->next = (head); \ (element)->prev = NULL; \ if ((tail) == NULL) \ (tail) = element; \ else \ (head)->prev = element; \ (head) = (element); } while (0) /** * Remove an element from a DLL. Assumes * that head, tail and element are structs * with prev and next fields. * * @param head pointer to the head of the DLL * @param tail pointer to the tail of the DLL * @param element element to remove */ #define DLL_remove(head,tail,element) do { \ if ((element)->prev == NULL) \ (head) = (element)->next; \ else \ (element)->prev->next = (element)->next; \ if ((element)->next == NULL) \ (tail) = (element)->prev; \ else \ (element)->next->prev = (element)->prev; \ (element)->next = NULL; \ (element)->prev = NULL; } while (0) /** * Insert an element at the head of a XDLL. Assumes that head, tail and * element are structs with prevX and nextX fields. * * @param head pointer to the head of the XDLL * @param tail pointer to the tail of the XDLL * @param element element to insert */ #define XDLL_insert(head,tail,element) do { \ (element)->nextX = (head); \ (element)->prevX = NULL; \ if ((tail) == NULL) \ (tail) = element; \ else \ (head)->prevX = element; \ (head) = (element); } while (0) /** * Remove an element from a XDLL. Assumes * that head, tail and element are structs * with prevX and nextX fields. * * @param head pointer to the head of the XDLL * @param tail pointer to the tail of the XDLL * @param element element to remove */ #define XDLL_remove(head,tail,element) do { \ if ((element)->prevX == NULL) \ (head) = (element)->nextX; \ else \ (element)->prevX->nextX = (element)->nextX; \ if ((element)->nextX == NULL) \ (tail) = (element)->prevX; \ else \ (element)->nextX->prevX = (element)->prevX; \ (element)->nextX = NULL; \ (element)->prevX = NULL; } while (0) /** * Insert an element at the head of a EDLL. Assumes that head, tail and * element are structs with prevE and nextE fields. * * @param head pointer to the head of the EDLL * @param tail pointer to the tail of the EDLL * @param element element to insert */ #define EDLL_insert(head,tail,element) do { \ (element)->nextE = (head); \ (element)->prevE = NULL; \ if ((tail) == NULL) \ (tail) = element; \ else \ (head)->prevE = element; \ (head) = (element); } while (0) /** * Remove an element from a EDLL. Assumes * that head, tail and element are structs * with prevE and nextE fields. * * @param head pointer to the head of the EDLL * @param tail pointer to the tail of the EDLL * @param element element to remove */ #define EDLL_remove(head,tail,element) do { \ if ((element)->prevE == NULL) \ (head) = (element)->nextE; \ else \ (element)->prevE->nextE = (element)->nextE; \ if ((element)->nextE == NULL) \ (tail) = (element)->prevE; \ else \ (element)->nextE->prevE = (element)->prevE; \ (element)->nextE = NULL; \ (element)->prevE = NULL; } while (0) /** * Equivalent to time(NULL) but tries to use some sort of monotonic * clock that isn't affected by someone setting the system real time * clock. * * @return 'current' time */ time_t MHD_monotonic_time(void); #endif libmicrohttpd-0.9.33/src/microhttpd/reason_phrase.h0000644000175000017500000000231112161414221017330 00000000000000/* This file is part of libmicrohttpd (C) 2007 Lymba This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file reason_phrase.c * @brief Tables of the string response phrases * @author Elliot Glaysher */ #ifndef REASON_PHRASE_H #define REASON_PHRASE_H /** * Returns the string reason phrase for a response code. * * If we don't have a string for a status code, we give the first * message in that status code class. */ const char *MHD_get_reason_phrase_for (unsigned int code); #endif libmicrohttpd-0.9.33/src/microhttpd/memorypool.h0000644000175000017500000000625112161414221016710 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file memorypool.h * @brief memory pool; mostly used for efficient (de)allocation * for each connection and bounding memory use for each * request * @author Christian Grothoff */ #ifndef MEMORYPOOL_H #define MEMORYPOOL_H #include "internal.h" /** * Opaque handle for a memory pool. * Pools are not reentrant and must not be used * by multiple threads. */ struct MemoryPool; /** * Create a memory pool. * * @param max maximum size of the pool * @return NULL on error */ struct MemoryPool * MHD_pool_create (size_t max); /** * Destroy a memory pool. * * @param pool memory pool to destroy */ void MHD_pool_destroy (struct MemoryPool *pool); /** * Allocate size bytes from the pool. * * @param pool memory pool to use for the operation * @param size number of bytes to allocate * @param from_end allocate from end of pool (set to MHD_YES); * use this for small, persistent allocations that * will never be reallocated * @return NULL if the pool cannot support size more * bytes */ void * MHD_pool_allocate (struct MemoryPool *pool, size_t size, int from_end); /** * Reallocate a block of memory obtained from the pool. * This is particularly efficient when growing or * shrinking the block that was last (re)allocated. * If the given block is not the most recenlty * (re)allocated block, the memory of the previous * allocation may be leaked until the pool is * destroyed (and copying the data maybe required). * * @param pool memory pool to use for the operation * @param old the existing block * @param old_size the size of the existing block * @param new_size the new size of the block * @return new address of the block, or * NULL if the pool cannot support new_size * bytes (old continues to be valid for old_size) */ void * MHD_pool_reallocate (struct MemoryPool *pool, void *old, size_t old_size, size_t new_size); /** * Clear all entries from the memory pool except * for "keep" of the given "size". * * @param pool memory pool to use for the operation * @param keep pointer to the entry to keep (maybe NULL) * @param size how many bytes need to be kept at this address * @return addr new address of "keep" (if it had to change) */ void * MHD_pool_reset (struct MemoryPool *pool, void *keep, size_t size); #endif libmicrohttpd-0.9.33/src/microhttpd/response.c0000644000175000017500000003225312211176673016354 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2010 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file response.c * @brief Methods for managing response objects * @author Daniel Pittman * @author Christian Grothoff */ #include "internal.h" #include "response.h" /** * Add a header or footer line to the response. * * @param response response to add a header to * @param kind header or footer * @param header the header to add * @param content value to add * @return #MHD_NO on error (i.e. invalid header or content format). */ static int add_response_entry (struct MHD_Response *response, enum MHD_ValueKind kind, const char *header, const char *content) { struct MHD_HTTP_Header *hdr; if ( (NULL == response) || (NULL == header) || (NULL == content) || (0 == strlen (header)) || (0 == strlen (content)) || (NULL != strchr (header, '\t')) || (NULL != strchr (header, '\r')) || (NULL != strchr (header, '\n')) || (NULL != strchr (content, '\t')) || (NULL != strchr (content, '\r')) || (NULL != strchr (content, '\n')) ) return MHD_NO; if (NULL == (hdr = malloc (sizeof (struct MHD_HTTP_Header)))) return MHD_NO; if (NULL == (hdr->header = strdup (header))) { free (hdr); return MHD_NO; } if (NULL == (hdr->value = strdup (content))) { free (hdr->header); free (hdr); return MHD_NO; } hdr->kind = kind; hdr->next = response->first_header; response->first_header = hdr; return MHD_YES; } /** * Add a header line to the response. * * @param response response to add a header to * @param header the header to add * @param content value to add * @return #MHD_NO on error (i.e. invalid header or content format). * @ingroup response */ int MHD_add_response_header (struct MHD_Response *response, const char *header, const char *content) { return add_response_entry (response, MHD_HEADER_KIND, header, content); } /** * Add a footer line to the response. * * @param response response to remove a header from * @param footer the footer to delete * @param content value to delete * @return #MHD_NO on error (i.e. invalid footer or content format). * @ingroup response */ int MHD_add_response_footer (struct MHD_Response *response, const char *footer, const char *content) { return add_response_entry (response, MHD_FOOTER_KIND, footer, content); } /** * Delete a header (or footer) line from the response. * * @param response response to remove a header from * @param header the header to delete * @param content value to delete * @return #MHD_NO on error (no such header known) * @ingroup response */ int MHD_del_response_header (struct MHD_Response *response, const char *header, const char *content) { struct MHD_HTTP_Header *pos; struct MHD_HTTP_Header *prev; if ( (NULL == header) || (NULL == content) ) return MHD_NO; prev = NULL; pos = response->first_header; while (pos != NULL) { if ((0 == strcmp (header, pos->header)) && (0 == strcmp (content, pos->value))) { free (pos->header); free (pos->value); if (NULL == prev) response->first_header = pos->next; else prev->next = pos->next; free (pos); return MHD_YES; } prev = pos; pos = pos->next; } return MHD_NO; } /** * Get all of the headers (and footers) added to a response. * * @param response response to query * @param iterator callback to call on each header; * maybe NULL (then just count headers) * @param iterator_cls extra argument to @a iterator * @return number of entries iterated over * @ingroup response */ int MHD_get_response_headers (struct MHD_Response *response, MHD_KeyValueIterator iterator, void *iterator_cls) { struct MHD_HTTP_Header *pos; int numHeaders = 0; for (pos = response->first_header; NULL != pos; pos = pos->next) { numHeaders++; if ((NULL != iterator) && (MHD_YES != iterator (iterator_cls, pos->kind, pos->header, pos->value))) break; } return numHeaders; } /** * Get a particular header (or footer) from the response. * * @param response response to query * @param key which header to get * @return NULL if header does not exist * @ingroup response */ const char * MHD_get_response_header (struct MHD_Response *response, const char *key) { struct MHD_HTTP_Header *pos; if (NULL == key) return NULL; for (pos = response->first_header; NULL != pos; pos = pos->next) if (0 == strcmp (key, pos->header)) return pos->value; return NULL; } /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response, #MHD_SIZE_UNKNOWN for unknown * @param block_size preferred block size for querying crc (advisory only, * MHD may still call @a crc using smaller chunks); this * is essentially the buffer size used for IO, clients * should pick a value that is appropriate for IO and * memory performance requirements * @param crc callback to use to obtain response data * @param crc_cls extra argument to @a crc * @param crfc callback to call to free @a crc_cls resources * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_callback (uint64_t size, size_t block_size, MHD_ContentReaderCallback crc, void *crc_cls, MHD_ContentReaderFreeCallback crfc) { struct MHD_Response *response; if ((NULL == crc) || (0 == block_size)) return NULL; if (NULL == (response = malloc (sizeof (struct MHD_Response) + block_size))) return NULL; memset (response, 0, sizeof (struct MHD_Response)); response->fd = -1; response->data = (void *) &response[1]; response->data_buffer_size = block_size; if (0 != pthread_mutex_init (&response->mutex, NULL)) { free (response); return NULL; } response->crc = crc; response->crfc = crfc; response->crc_cls = crc_cls; response->reference_count = 1; response->total_size = size; return response; } /** * Given a file descriptor, read data from the file * to generate the response. * * @param cls pointer to the response * @param pos offset in the file to access * @param buf where to write the data * @param max number of bytes to write at most * @return number of bytes written */ static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { struct MHD_Response *response = cls; ssize_t n; (void) lseek (response->fd, pos + response->fd_off, SEEK_SET); n = read (response->fd, buf, max); if (0 == n) return MHD_CONTENT_READER_END_OF_STREAM; if (n < 0) return MHD_CONTENT_READER_END_WITH_ERROR; return n; } /** * Destroy file reader context. Closes the file * descriptor. * * @param cls pointer to file descriptor */ static void free_callback (void *cls) { struct MHD_Response *response = cls; (void) close (response->fd); response->fd = -1; } /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param fd file descriptor referring to a file on disk with the * data; will be closed when response is destroyed; * fd should be in 'blocking' mode * @param offset offset to start reading from in the file; * Be careful! `off_t` may have been compiled to be a * 64-bit variable for MHD, in which case your application * also has to be compiled using the same options! Read * the MHD manual for more details. * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_fd_at_offset (size_t size, int fd, off_t offset) { struct MHD_Response *response; response = MHD_create_response_from_callback (size, 4 * 1024, &file_reader, NULL, &free_callback); if (NULL == response) return NULL; response->fd = fd; response->fd_off = offset; response->crc_cls = response; return response; } /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param fd file descriptor referring to a file on disk with the data * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_fd (size_t size, int fd) { return MHD_create_response_from_fd_at_offset (size, fd, 0); } /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the @a data portion of the response * @param data the data itself * @param must_free libmicrohttpd should free data when done * @param must_copy libmicrohttpd must make a copy of @a data * right away, the data maybe released anytime after * this call returns * @return NULL on error (i.e. invalid arguments, out of memory) * @deprecated use #MHD_create_response_from_buffer instead * @ingroup response */ struct MHD_Response * MHD_create_response_from_data (size_t size, void *data, int must_free, int must_copy) { struct MHD_Response *response; void *tmp; if ((NULL == data) && (size > 0)) return NULL; if (NULL == (response = malloc (sizeof (struct MHD_Response)))) return NULL; memset (response, 0, sizeof (struct MHD_Response)); response->fd = -1; if (0 != pthread_mutex_init (&response->mutex, NULL)) { free (response); return NULL; } if ((must_copy) && (size > 0)) { if (NULL == (tmp = malloc (size))) { pthread_mutex_destroy (&response->mutex); free (response); return NULL; } memcpy (tmp, data, size); must_free = MHD_YES; data = tmp; } response->crc = NULL; response->crfc = must_free ? &free : NULL; response->crc_cls = must_free ? data : NULL; response->reference_count = 1; response->total_size = size; response->data = data; response->data_size = size; return response; } /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param buffer size bytes containing the response's data portion * @param mode flags for buffer management * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_buffer (size_t size, void *buffer, enum MHD_ResponseMemoryMode mode) { return MHD_create_response_from_data (size, buffer, mode == MHD_RESPMEM_MUST_FREE, mode == MHD_RESPMEM_MUST_COPY); } /** * Destroy a response object and associated resources. Note that * libmicrohttpd may keep some of the resources around if the response * is still in the queue for some clients, so the memory may not * necessarily be freed immediatley. * * @param response response to destroy * @ingroup response */ void MHD_destroy_response (struct MHD_Response *response) { struct MHD_HTTP_Header *pos; if (NULL == response) return; pthread_mutex_lock (&response->mutex); if (0 != --(response->reference_count)) { pthread_mutex_unlock (&response->mutex); return; } pthread_mutex_unlock (&response->mutex); pthread_mutex_destroy (&response->mutex); if (response->crfc != NULL) response->crfc (response->crc_cls); while (NULL != response->first_header) { pos = response->first_header; response->first_header = pos->next; free (pos->header); free (pos->value); free (pos); } free (response); } void MHD_increment_response_rc (struct MHD_Response *response) { pthread_mutex_lock (&response->mutex); (response->reference_count)++; pthread_mutex_unlock (&response->mutex); } /* end of response.c */ libmicrohttpd-0.9.33/src/microhttpd/connection_https.h0000644000175000017500000000244712211176757020111 00000000000000/* This file is part of libmicrohttpd (C) 2008 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file connection_https.h * @brief Methods for managing connections * @author Christian Grothoff */ #ifndef CONNECTION_HTTPS_H #define CONNECTION_HTTPS_H #include "internal.h" #if HTTPS_SUPPORT /** * Set connection callback function to be used through out * the processing of this secure connection. * * @param connection which callbacks should be modified */ void MHD_set_https_callbacks (struct MHD_Connection *connection); #endif #endif libmicrohttpd-0.9.33/src/microhttpd/internal.c0000644000175000017500000001117012247435527016332 00000000000000/* This file is part of libmicrohttpd (C) 2007 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file microhttpd/internal.c * @brief internal shared structures * @author Daniel Pittman * @author Christian Grothoff */ #include "internal.h" #if HAVE_MESSAGES #if DEBUG_STATES /** * State to string dictionary. */ const char * MHD_state_to_string (enum MHD_CONNECTION_STATE state) { switch (state) { case MHD_CONNECTION_INIT: return "connection init"; case MHD_CONNECTION_URL_RECEIVED: return "connection url received"; case MHD_CONNECTION_HEADER_PART_RECEIVED: return "header partially received"; case MHD_CONNECTION_HEADERS_RECEIVED: return "headers received"; case MHD_CONNECTION_HEADERS_PROCESSED: return "headers processed"; case MHD_CONNECTION_CONTINUE_SENDING: return "continue sending"; case MHD_CONNECTION_CONTINUE_SENT: return "continue sent"; case MHD_CONNECTION_BODY_RECEIVED: return "body received"; case MHD_CONNECTION_FOOTER_PART_RECEIVED: return "footer partially received"; case MHD_CONNECTION_FOOTERS_RECEIVED: return "footers received"; case MHD_CONNECTION_HEADERS_SENDING: return "headers sending"; case MHD_CONNECTION_HEADERS_SENT: return "headers sent"; case MHD_CONNECTION_NORMAL_BODY_READY: return "normal body ready"; case MHD_CONNECTION_NORMAL_BODY_UNREADY: return "normal body unready"; case MHD_CONNECTION_CHUNKED_BODY_READY: return "chunked body ready"; case MHD_CONNECTION_CHUNKED_BODY_UNREADY: return "chunked body unready"; case MHD_CONNECTION_BODY_SENT: return "body sent"; case MHD_CONNECTION_FOOTERS_SENDING: return "footers sending"; case MHD_CONNECTION_FOOTERS_SENT: return "footers sent"; case MHD_CONNECTION_CLOSED: return "closed"; case MHD_TLS_CONNECTION_INIT: return "secure connection init"; default: return "unrecognized connection state"; } } #endif #endif #if HAVE_MESSAGES /** * fprintf-like helper function for logging debug * messages. */ void MHD_DLOG (const struct MHD_Daemon *daemon, const char *format, ...) { va_list va; if ((daemon->options & MHD_USE_DEBUG) == 0) return; va_start (va, format); daemon->custom_error_log (daemon->custom_error_log_cls, format, va); va_end (va); } #endif /** * Process escape sequences ('+'=space, %HH) Updates val in place; the * result should be UTF-8 encoded and cannot be larger than the input. * The result must also still be 0-terminated. * * @param cls closure (use NULL) * @param connection handle to connection, not used * @param val value to unescape (modified in the process) * @return length of the resulting val (strlen(val) maybe * shorter afterwards due to elimination of escape sequences) */ size_t MHD_http_unescape (void *cls, struct MHD_Connection *connection, char *val) { char *rpos = val; char *wpos = val; char *end; unsigned int num; char buf3[3]; while ('\0' != *rpos) { switch (*rpos) { case '+': *wpos = ' '; wpos++; rpos++; break; case '%': if ( ('\0' == rpos[1]) || ('\0' == rpos[2]) ) { *wpos = '\0'; return wpos - val; } buf3[0] = rpos[1]; buf3[1] = rpos[2]; buf3[2] = '\0'; num = strtoul (buf3, &end, 16); if ('\0' == *end) { *wpos = (unsigned char) num; wpos++; rpos += 3; break; } /* intentional fall through! */ default: *wpos = *rpos; wpos++; rpos++; } } *wpos = '\0'; /* add 0-terminator */ return wpos - val; /* = strlen(val) */ } time_t MHD_monotonic_time (void) { #ifdef HAVE_CLOCK_GETTIME #ifdef CLOCK_MONOTONIC struct timespec ts; if (0 == clock_gettime (CLOCK_MONOTONIC, &ts)) return ts.tv_sec; #endif #endif return time (NULL); } /* end of internal.c */ libmicrohttpd-0.9.33/src/microhttpd/test_postprocessor_large.c0000644000175000017500000000551512161414221021641 00000000000000/* This file is part of libmicrohttpd (C) 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_postprocessor_large.c * @brief Testcase with very large input for postprocessor * @author Christian Grothoff */ #include "platform.h" #include "microhttpd.h" #include "internal.h" #ifndef WINDOWS #include #endif static int value_checker (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { unsigned int *pos = cls; #if 0 fprintf (stderr, "VC: %llu %u `%s' `%s' `%s' `%s' `%.*s'\n", off, size, key, filename, content_type, transfer_encoding, size, data); #endif if (size == 0) return MHD_YES; *pos += size; return MHD_YES; } static int test_simple_large () { struct MHD_Connection connection; struct MHD_HTTP_Header header; struct MHD_PostProcessor *pp; int i; int delta; size_t size; char data[102400]; unsigned int pos; pos = 0; memset (data, 'A', sizeof (data)); memcpy (data, "key=", 4); data[sizeof (data) - 1] = '\0'; memset (&connection, 0, sizeof (struct MHD_Connection)); memset (&header, 0, sizeof (struct MHD_HTTP_Header)); connection.headers_received = &header; header.header = MHD_HTTP_HEADER_CONTENT_TYPE; header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED; header.kind = MHD_HEADER_KIND; pp = MHD_create_post_processor (&connection, 1024, &value_checker, &pos); i = 0; size = strlen (data); while (i < size) { delta = 1 + RANDOM () % (size - i); MHD_post_process (pp, &data[i], delta); i += delta; } MHD_destroy_post_processor (pp); if (pos != sizeof (data) - 5) /* minus 0-termination and 'key=' */ return 1; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; errorCount += test_simple_large (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/microhttpd/digestauth.c0000644000175000017500000005236112246164046016660 00000000000000/* This file is part of libmicrohttpd (C) 2010, 2011, 2012 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file digestauth.c * @brief Implements HTTP digest authentication * @author Amr Ali * @author Matthieu Speder */ #include "platform.h" #include #include "internal.h" #include "md5.h" #define HASH_MD5_HEX_LEN (2 * MD5_DIGEST_SIZE) /** * Beginning string for any valid Digest authentication header. */ #define _BASE "Digest " /** * Maximum length of a username for digest authentication. */ #define MAX_USERNAME_LENGTH 128 /** * Maximum length of a realm for digest authentication. */ #define MAX_REALM_LENGTH 256 /** * Maximum length of the response in digest authentication. */ #define MAX_AUTH_RESPONSE_LENGTH 128 /** * convert bin to hex * * @param bin binary data * @param len number of bytes in bin * @param hex pointer to len*2+1 bytes */ static void cvthex (const unsigned char *bin, size_t len, char *hex) { size_t i; unsigned int j; for (i = 0; i < len; ++i) { j = (bin[i] >> 4) & 0x0f; hex[i * 2] = j <= 9 ? (j + '0') : (j + 'a' - 10); j = bin[i] & 0x0f; hex[i * 2 + 1] = j <= 9 ? (j + '0') : (j + 'a' - 10); } hex[len * 2] = '\0'; } /** * calculate H(A1) as per RFC2617 spec and store the * result in 'sessionkey'. * * @param alg The hash algorithm used, can be "md5" or "md5-sess" * @param username A `char *' pointer to the username value * @param realm A `char *' pointer to the realm value * @param password A `char *' pointer to the password value * @param nonce A `char *' pointer to the nonce value * @param cnonce A `char *' pointer to the cnonce value * @param sessionkey pointer to buffer of HASH_MD5_HEX_LEN+1 bytes */ static void digest_calc_ha1 (const char *alg, const char *username, const char *realm, const char *password, const char *nonce, const char *cnonce, char *sessionkey) { struct MD5Context md5; unsigned char ha1[MD5_DIGEST_SIZE]; MD5Init (&md5); MD5Update (&md5, username, strlen (username)); MD5Update (&md5, ":", 1); MD5Update (&md5, realm, strlen (realm)); MD5Update (&md5, ":", 1); MD5Update (&md5, password, strlen (password)); MD5Final (ha1, &md5); if (0 == strcasecmp (alg, "md5-sess")) { MD5Init (&md5); MD5Update (&md5, ha1, sizeof (ha1)); MD5Update (&md5, ":", 1); MD5Update (&md5, nonce, strlen (nonce)); MD5Update (&md5, ":", 1); MD5Update (&md5, cnonce, strlen (cnonce)); MD5Final (ha1, &md5); } cvthex (ha1, sizeof (ha1), sessionkey); } /** * Calculate request-digest/response-digest as per RFC2617 spec * * @param ha1 H(A1) * @param nonce nonce from server * @param noncecount 8 hex digits * @param cnonce client nonce * @param qop qop-value: "", "auth" or "auth-int" * @param method method from request * @param uri requested URL * @param hentity H(entity body) if qop="auth-int" * @param response request-digest or response-digest */ static void digest_calc_response (const char *ha1, const char *nonce, const char *noncecount, const char *cnonce, const char *qop, const char *method, const char *uri, const char *hentity, char *response) { struct MD5Context md5; unsigned char ha2[MD5_DIGEST_SIZE]; unsigned char resphash[MD5_DIGEST_SIZE]; char ha2hex[HASH_MD5_HEX_LEN + 1]; MD5Init (&md5); MD5Update (&md5, method, strlen(method)); MD5Update (&md5, ":", 1); MD5Update (&md5, uri, strlen(uri)); #if 0 if (0 == strcasecmp(qop, "auth-int")) { /* This is dead code since the rest of this module does not support auth-int. */ MD5Update (&md5, ":", 1); if (NULL != hentity) MD5Update (&md5, hentity, strlen(hentity)); } #endif MD5Final (ha2, &md5); cvthex (ha2, MD5_DIGEST_SIZE, ha2hex); MD5Init (&md5); /* calculate response */ MD5Update (&md5, ha1, HASH_MD5_HEX_LEN); MD5Update (&md5, ":", 1); MD5Update (&md5, nonce, strlen(nonce)); MD5Update (&md5, ":", 1); if ('\0' != *qop) { MD5Update (&md5, noncecount, strlen(noncecount)); MD5Update (&md5, ":", 1); MD5Update (&md5, cnonce, strlen(cnonce)); MD5Update (&md5, ":", 1); MD5Update (&md5, qop, strlen(qop)); MD5Update (&md5, ":", 1); } MD5Update (&md5, ha2hex, HASH_MD5_HEX_LEN); MD5Final (resphash, &md5); cvthex (resphash, sizeof (resphash), response); } /** * Lookup subvalue off of the HTTP Authorization header. * * A description of the input format for 'data' is at * http://en.wikipedia.org/wiki/Digest_access_authentication * * * @param dest where to store the result (possibly truncated if * the buffer is not big enough). * @param size size of dest * @param data pointer to the Authorization header * @param key key to look up in data * @return size of the located value, 0 if otherwise */ static int lookup_sub_value (char *dest, size_t size, const char *data, const char *key) { size_t keylen; size_t len; const char *ptr; const char *eq; const char *q1; const char *q2; const char *qn; if (0 == size) return 0; keylen = strlen (key); ptr = data; while ('\0' != *ptr) { if (NULL == (eq = strchr (ptr, '='))) return 0; q1 = eq + 1; while (' ' == *q1) q1++; if ('\"' != *q1) { q2 = strchr (q1, ','); qn = q2; } else { q1++; q2 = strchr (q1, '\"'); if (NULL == q2) return 0; /* end quote not found */ qn = q2 + 1; } if ( (0 == strncasecmp (ptr, key, keylen)) && (eq == &ptr[keylen]) ) { if (NULL == q2) { len = strlen (q1) + 1; if (size > len) size = len; size--; strncpy (dest, q1, size); dest[size] = '\0'; return size; } else { if (size > (q2 - q1) + 1) size = (q2 - q1) + 1; size--; memcpy (dest, q1, size); dest[size] = '\0'; return size; } } if (NULL == qn) return 0; ptr = strchr (qn, ','); if (NULL == ptr) return 0; ptr++; while (' ' == *ptr) ptr++; } return 0; } /** * Check nonce-nc map array with either new nonce counter * or a whole new nonce. * * @param connection The MHD connection structure * @param nonce A pointer that referenced a zero-terminated array of nonce * @param nc The nonce counter, zero to add the nonce to the array * @return MHD_YES if successful, MHD_NO if invalid (or we have no NC array) */ static int check_nonce_nc (struct MHD_Connection *connection, const char *nonce, unsigned long int nc) { uint32_t off; uint32_t mod; const char *np; mod = connection->daemon->nonce_nc_size; if (0 == mod) return MHD_NO; /* no array! */ /* super-fast xor-based "hash" function for HT lookup in nonce array */ off = 0; np = nonce; while ('\0' != *np) { off = (off << 8) | (*np ^ (off >> 24)); np++; } off = off % mod; /* * Look for the nonce, if it does exist and its corresponding * nonce counter is less than the current nonce counter by 1, * then only increase the nonce counter by one. */ (void) pthread_mutex_lock (&connection->daemon->nnc_lock); if (0 == nc) { strcpy(connection->daemon->nnc[off].nonce, nonce); connection->daemon->nnc[off].nc = 0; (void) pthread_mutex_unlock (&connection->daemon->nnc_lock); return MHD_YES; } if ( (nc <= connection->daemon->nnc[off].nc) || (0 != strcmp(connection->daemon->nnc[off].nonce, nonce)) ) { (void) pthread_mutex_unlock (&connection->daemon->nnc_lock); #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Stale nonce received. If this happens a lot, you should probably increase the size of the nonce array.\n"); #endif return MHD_NO; } connection->daemon->nnc[off].nc = nc; (void) pthread_mutex_unlock (&connection->daemon->nnc_lock); return MHD_YES; } /** * Get the username from the authorization header sent by the client * * @param connection The MHD connection structure * @return NULL if no username could be found, a pointer * to the username if found * @ingroup authentication */ char * MHD_digest_auth_get_username(struct MHD_Connection *connection) { size_t len; char user[MAX_USERNAME_LENGTH]; const char *header; if (NULL == (header = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_AUTHORIZATION))) return NULL; if (0 != strncmp (header, _BASE, strlen (_BASE))) return NULL; header += strlen (_BASE); if (0 == (len = lookup_sub_value (user, sizeof (user), header, "username"))) return NULL; return strdup (user); } /** * Calculate the server nonce so that it mitigates replay attacks * The current format of the nonce is ... * H(timestamp ":" method ":" random ":" uri ":" realm) + Hex(timestamp) * * @param nonce_time The amount of time in seconds for a nonce to be invalid * @param method HTTP method * @param rnd A pointer to a character array for the random seed * @param rnd_size The size of the random seed array * @param uri HTTP URI (in MHD, without the arguments ("?k=v") * @param realm A string of characters that describes the realm of auth. * @param nonce A pointer to a character array for the nonce to put in */ static void calculate_nonce (uint32_t nonce_time, const char *method, const char *rnd, unsigned int rnd_size, const char *uri, const char *realm, char *nonce) { struct MD5Context md5; unsigned char timestamp[4]; unsigned char tmpnonce[MD5_DIGEST_SIZE]; char timestamphex[sizeof(timestamp) * 2 + 1]; MD5Init (&md5); timestamp[0] = (nonce_time & 0xff000000) >> 0x18; timestamp[1] = (nonce_time & 0x00ff0000) >> 0x10; timestamp[2] = (nonce_time & 0x0000ff00) >> 0x08; timestamp[3] = (nonce_time & 0x000000ff); MD5Update (&md5, timestamp, 4); MD5Update (&md5, ":", 1); MD5Update (&md5, method, strlen(method)); MD5Update (&md5, ":", 1); if (rnd_size > 0) MD5Update (&md5, rnd, rnd_size); MD5Update (&md5, ":", 1); MD5Update (&md5, uri, strlen(uri)); MD5Update (&md5, ":", 1); MD5Update (&md5, realm, strlen(realm)); MD5Final (tmpnonce, &md5); cvthex (tmpnonce, sizeof (tmpnonce), nonce); cvthex (timestamp, 4, timestamphex); strncat (nonce, timestamphex, 8); } /** * Test if the given key-value pair is in the headers for the * given connection. * * @param connection the connection * @param key the key * @param value the value, can be NULL * @return MHD_YES if the key-value pair is in the headers, * MHD_NO if not */ static int test_header (struct MHD_Connection *connection, const char *key, const char *value) { struct MHD_HTTP_Header *pos; for (pos = connection->headers_received; NULL != pos; pos = pos->next) { if (MHD_GET_ARGUMENT_KIND != pos->kind) continue; if (0 != strcmp (key, pos->header)) continue; if ( (NULL == value) && (NULL == pos->value) ) return MHD_YES; if ( (NULL == value) || (NULL == pos->value) || (0 != strcmp (value, pos->value)) ) continue; return MHD_YES; } return MHD_NO; } /** * Check that the arguments given by the client as part * of the authentication header match the arguments we * got as part of the HTTP request URI. * * @param connection connections with headers to compare against * @param args argument URI string (after "?" in URI) * @return MHD_YES if the arguments match, * MHD_NO if not */ static int check_argument_match (struct MHD_Connection *connection, const char *args) { struct MHD_HTTP_Header *pos; size_t slen = strlen (args) + 1; char argb[slen]; char *argp; char *equals; char *amper; unsigned int num_headers; num_headers = 0; memcpy (argb, args, slen); argp = argb; while ( (NULL != argp) && ('\0' != argp[0]) ) { equals = strchr (argp, '='); if (NULL == equals) { /* add with 'value' NULL */ connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, argp); if (MHD_YES != test_header (connection, argp, NULL)) return MHD_NO; num_headers++; break; } equals[0] = '\0'; equals++; amper = strchr (equals, '&'); if (NULL != amper) { amper[0] = '\0'; amper++; } connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, argp); connection->daemon->unescape_callback (connection->daemon->unescape_callback_cls, connection, equals); if (! test_header (connection, argp, equals)) return MHD_NO; num_headers++; argp = amper; } /* also check that the number of headers matches */ for (pos = connection->headers_received; NULL != pos; pos = pos->next) { if (MHD_GET_ARGUMENT_KIND != pos->kind) continue; num_headers--; } if (0 != num_headers) return MHD_NO; return MHD_YES; } /** * Authenticates the authorization header sent by the client * * @param connection The MHD connection structure * @param realm The realm presented to the client * @param username The username needs to be authenticated * @param password The password used in the authentication * @param nonce_timeout The amount of time for a nonce to be * invalid in seconds * @return #MHD_YES if authenticated, #MHD_NO if not, * #MHD_INVALID_NONCE if nonce is invalid * @ingroup authentication */ int MHD_digest_auth_check (struct MHD_Connection *connection, const char *realm, const char *username, const char *password, unsigned int nonce_timeout) { size_t len; const char *header; char *end; char nonce[MAX_NONCE_LENGTH]; char cnonce[MAX_NONCE_LENGTH]; char qop[15]; /* auth,auth-int */ char nc[20]; char response[MAX_AUTH_RESPONSE_LENGTH]; const char *hentity = NULL; /* "auth-int" is not supported */ char ha1[HASH_MD5_HEX_LEN + 1]; char respexp[HASH_MD5_HEX_LEN + 1]; char noncehashexp[HASH_MD5_HEX_LEN + 9]; uint32_t nonce_time; uint32_t t; size_t left; /* number of characters left in 'header' for 'uri' */ unsigned long int nci; header = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_AUTHORIZATION); if (NULL == header) return MHD_NO; if (0 != strncmp(header, _BASE, strlen(_BASE))) return MHD_NO; header += strlen (_BASE); left = strlen (header); { char un[MAX_USERNAME_LENGTH]; len = lookup_sub_value (un, sizeof (un), header, "username"); if ( (0 == len) || (0 != strcmp(username, un)) ) return MHD_NO; left -= strlen ("username") + len; } { char r[MAX_REALM_LENGTH]; len = lookup_sub_value(r, sizeof (r), header, "realm"); if ( (0 == len) || (0 != strcmp(realm, r)) ) return MHD_NO; left -= strlen ("realm") + len; } if (0 == (len = lookup_sub_value (nonce, sizeof (nonce), header, "nonce"))) return MHD_NO; left -= strlen ("nonce") + len; if (left > 32 * 1024) { /* we do not permit URIs longer than 32k, as we want to make sure to not blow our stack (or per-connection heap memory limit). Besides, 32k is already insanely large, but of course in theory the #MHD_OPTION_CONNECTION_MEMORY_LIMIT might be very large and would thus permit sending a >32k authorization header value. */ return MHD_NO; } { char uri[left]; if (0 == lookup_sub_value (uri, sizeof (uri), header, "uri")) return MHD_NO; /* 8 = 4 hexadecimal numbers for the timestamp */ nonce_time = strtoul (nonce + len - 8, (char **)NULL, 16); t = (uint32_t) MHD_monotonic_time(); /* * First level vetting for the nonce validity if the timestamp * attached to the nonce exceeds `nonce_timeout' then the nonce is * invalid. */ if ( (t > nonce_time + nonce_timeout) || (nonce_time + nonce_timeout < nonce_time) ) return MHD_INVALID_NONCE; if (0 != strncmp (uri, connection->url, strlen (connection->url))) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Authentication failed, URI does not match.\n"); #endif return MHD_NO; } { const char *args = strchr (uri, '?'); if (NULL == args) args = ""; else args++; if (MHD_YES != check_argument_match (connection, args) ) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Authentication failed, arguments do not match.\n"); #endif return MHD_NO; } } calculate_nonce (nonce_time, connection->method, connection->daemon->digest_auth_random, connection->daemon->digest_auth_rand_size, connection->url, realm, noncehashexp); /* * Second level vetting for the nonce validity * if the timestamp attached to the nonce is valid * and possibly fabricated (in case of an attack) * the attacker must also know the random seed to be * able to generate a "sane" nonce, which if he does * not, the nonce fabrication process going to be * very hard to achieve. */ if (0 != strcmp (nonce, noncehashexp)) return MHD_INVALID_NONCE; if ( (0 == lookup_sub_value (cnonce, sizeof (cnonce), header, "cnonce")) || (0 == lookup_sub_value (qop, sizeof (qop), header, "qop")) || ( (0 != strcmp (qop, "auth")) && (0 != strcmp (qop, "")) ) || (0 == lookup_sub_value (nc, sizeof (nc), header, "nc")) || (0 == lookup_sub_value (response, sizeof (response), header, "response")) ) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Authentication failed, invalid format.\n"); #endif return MHD_NO; } nci = strtoul (nc, &end, 16); if ( ('\0' != *end) || ( (LONG_MAX == nci) && (ERANGE == errno) ) ) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Authentication failed, invalid format.\n"); #endif return MHD_NO; /* invalid nonce format */ } /* * Checking if that combination of nonce and nc is sound * and not a replay attack attempt. Also adds the nonce * to the nonce-nc map if it does not exist there. */ if (MHD_YES != check_nonce_nc (connection, nonce, nci)) return MHD_NO; digest_calc_ha1("md5", username, realm, password, nonce, cnonce, ha1); digest_calc_response (ha1, nonce, nc, cnonce, qop, connection->method, uri, hentity, respexp); return (0 == strcmp(response, respexp)) ? MHD_YES : MHD_NO; } } /** * Queues a response to request authentication from the client * * @param connection The MHD connection structure * @param realm the realm presented to the client * @param opaque string to user for opaque value * @param response reply to send; should contain the "access denied" * body; note that this function will set the "WWW Authenticate" * header and that the caller should not do this * @param signal_stale #MHD_YES if the nonce is invalid to add * 'stale=true' to the authentication header * @return #MHD_YES on success, #MHD_NO otherwise * @ingroup authentication */ int MHD_queue_auth_fail_response (struct MHD_Connection *connection, const char *realm, const char *opaque, struct MHD_Response *response, int signal_stale) { int ret; size_t hlen; char nonce[HASH_MD5_HEX_LEN + 9]; /* Generating the server nonce */ calculate_nonce ((uint32_t) MHD_monotonic_time(), connection->method, connection->daemon->digest_auth_random, connection->daemon->digest_auth_rand_size, connection->url, realm, nonce); if (MHD_YES != check_nonce_nc (connection, nonce, 0)) { #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Could not register nonce (is the nonce array size zero?).\n"); #endif return MHD_NO; } /* Building the authentication header */ hlen = snprintf (NULL, 0, "Digest realm=\"%s\",qop=\"auth\",nonce=\"%s\",opaque=\"%s\"%s", realm, nonce, opaque, signal_stale ? ",stale=\"true\"" : ""); { char header[hlen + 1]; snprintf (header, sizeof(header), "Digest realm=\"%s\",qop=\"auth\",nonce=\"%s\",opaque=\"%s\"%s", realm, nonce, opaque, signal_stale ? ",stale=\"true\"" : ""); ret = MHD_add_response_header(response, MHD_HTTP_HEADER_WWW_AUTHENTICATE, header); } if (MHD_YES == ret) ret = MHD_queue_response(connection, MHD_HTTP_UNAUTHORIZED, response); return ret; } /* end of digestauth.c */ libmicrohttpd-0.9.33/src/microhttpd/reason_phrase.c0000644000175000017500000000673712161414221017343 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2011 Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file reason_phrase.c * @brief Tables of the string response phrases * @author Elliot Glaysher * @author Christian Grothoff (minor code clean up) */ #include "reason_phrase.h" #ifndef NULL #define NULL (void*)0 #endif static const char *invalid_hundred[] = { NULL }; static const char *const one_hundred[] = { "Continue", "Switching Protocols", "Processing" }; static const char *const two_hundred[] = { "OK", "Created", "Accepted", "Non-Authoritative Information", "No Content", "Reset Content", "Partial Content", "Multi Status" }; static const char *const three_hundred[] = { "Multiple Choices", "Moved Permanently", "Moved Temporarily", "See Other", "Not Modified", "Use Proxy", "Switch Proxy", "Temporary Redirect" }; static const char *const four_hundred[] = { "Bad Request", "Unauthorized", "Payment Required", "Forbidden", "Not Found", "Method Not Allowed", "Not Acceptable", "Proxy Authentication Required", "Request Time-out", "Conflict", "Gone", "Length Required", "Precondition Failed", "Request Entity Too Large", "Request-URI Too Large", "Unsupported Media Type", "Requested Range Not Satisfiable", "Expectation Failed", "Unknown", "Unknown", "Unknown", /* 420 */ "Unknown", "Unprocessable Entity", "Locked", "Failed Dependency", "Unordered Collection", "Upgrade Required", "Unknown", "Unknown", "Unknown", "Unknown", /* 430 */ "Unknown", "Unknown", "Unknown", "Unknown", "Unknown", /* 435 */ "Unknown", "Unknown", "Unknown", "Unknown", "Unknown", /* 440 */ "Unknown", "Unknown", "Unknown", "No Response", "Unknown", /* 445 */ "Unknown", "Unknown", "Unknown", "Retry With", "Blocked by Windows Parental Controls", /* 450 */ "Unavailable For Legal Reasons" }; static const char *const five_hundred[] = { "Internal Server Error", "Not Implemented", "Bad Gateway", "Service Unavailable", "Gateway Time-out", "HTTP Version not supported", "Variant Also Negotiates", "Insufficient Storage", "Unknown", "Bandwidth Limit Exceeded", "Not Extended" }; struct MHD_Reason_Block { unsigned int max; const char *const*data; }; #define BLOCK(m) { (sizeof(m) / sizeof(char*)), m } static const struct MHD_Reason_Block reasons[] = { BLOCK (invalid_hundred), BLOCK (one_hundred), BLOCK (two_hundred), BLOCK (three_hundred), BLOCK (four_hundred), BLOCK (five_hundred), }; const char * MHD_get_reason_phrase_for (unsigned int code) { if ( (code >= 100) && (code < 600) && (reasons[code / 100].max > (code % 100)) ) return reasons[code / 100].data[code % 100]; return "Unknown"; } libmicrohttpd-0.9.33/src/microhttpd/base64.c0000644000175000017500000000400512161414221015560 00000000000000/* * This code implements the BASE64 algorithm. * This code is in the public domain; do with it what you wish. * * @file base64.c * @brief This code implements the BASE64 algorithm * @author Matthieu Speder */ #include "base64.h" static const char base64_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static const char base64_digits[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; char * BASE64Decode(const char* src) { size_t in_len = strlen (src); char* dest; char* result; if (in_len % 4) { /* Wrong base64 string length */ return NULL; } result = dest = malloc(in_len / 4 * 3 + 1); if (result == NULL) return NULL; /* out of memory */ while (*src) { char a = base64_digits[(unsigned char)*(src++)]; char b = base64_digits[(unsigned char)*(src++)]; char c = base64_digits[(unsigned char)*(src++)]; char d = base64_digits[(unsigned char)*(src++)]; *(dest++) = (a << 2) | ((b & 0x30) >> 4); if (c == (char)-1) break; *(dest++) = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2); if (d == (char)-1) break; *(dest++) = ((c & 0x03) << 6) | d; } *dest = 0; return result; } /* end of base64.c */ libmicrohttpd-0.9.33/src/microhttpd/connection_https.c0000644000175000017500000001304212211176750020066 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008, 2010 Daniel Pittman and Christian Grothoff This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file connection_https.c * @brief Methods for managing SSL/TLS connections. This file is only * compiled if ENABLE_HTTPS is set. * @author Sagie Amir * @author Christian Grothoff */ #include "internal.h" #include "connection.h" #include "memorypool.h" #include "response.h" #include "reason_phrase.h" #include /** * Give gnuTLS chance to work on the TLS handshake. * * @param connection connection to handshake on * @return #MHD_YES on error or if the handshake is progressing * #MHD_NO if the handshake has completed successfully * and we should start to read/write data */ static int run_tls_handshake (struct MHD_Connection *connection) { int ret; connection->last_activity = MHD_monotonic_time(); if (connection->state == MHD_TLS_CONNECTION_INIT) { ret = gnutls_handshake (connection->tls_session); if (ret == GNUTLS_E_SUCCESS) { /* set connection state to enable HTTP processing */ connection->state = MHD_CONNECTION_INIT; return MHD_YES; } if ( (ret == GNUTLS_E_AGAIN) || (ret == GNUTLS_E_INTERRUPTED) ) { /* handshake not done */ return MHD_YES; } /* handshake failed */ #if HAVE_MESSAGES MHD_DLOG (connection->daemon, "Error: received handshake message out of context\n"); #endif MHD_connection_close (connection, MHD_REQUEST_TERMINATED_WITH_ERROR); return MHD_YES; } return MHD_NO; } /** * This function handles a particular SSL/TLS connection when * it has been determined that there is data to be read off a * socket. Message processing is done by message type which is * determined by peeking into the first message type byte of the * stream. * * Error message handling: all fatal level messages cause the * connection to be terminated. * * Application data is forwarded to the underlying daemon for * processing. * * @param connection the source connection * @return always #MHD_YES (we should continue to process the connection) */ static int MHD_tls_connection_handle_read (struct MHD_Connection *connection) { if (MHD_YES == run_tls_handshake (connection)) return MHD_YES; return MHD_connection_handle_read (connection); } /** * This function was created to handle writes to sockets when it has * been determined that the socket can be written to. This function * will forward all write requests to the underlying daemon unless * the connection has been marked for closing. * * @return always #MHD_YES (we should continue to process the connection) */ static int MHD_tls_connection_handle_write (struct MHD_Connection *connection) { if (MHD_YES == run_tls_handshake (connection)) return MHD_YES; return MHD_connection_handle_write (connection); } /** * This function was created to handle per-connection processing that * has to happen even if the socket cannot be read or written to. All * implementations (multithreaded, external select, internal select) * call this function. * * @param connection being handled * @return #MHD_YES if we should continue to process the * connection (not dead yet), #MHD_NO if it died */ static int MHD_tls_connection_handle_idle (struct MHD_Connection *connection) { unsigned int timeout; #if DEBUG_STATES MHD_DLOG (connection->daemon, "%s: state: %s\n", __FUNCTION__, MHD_state_to_string (connection->state)); #endif timeout = connection->connection_timeout; if ( (timeout != 0) && (timeout <= (MHD_monotonic_time() - connection->last_activity))) MHD_connection_close (connection, MHD_REQUEST_TERMINATED_TIMEOUT_REACHED); switch (connection->state) { /* on newly created connections we might reach here before any reply has been received */ case MHD_TLS_CONNECTION_INIT: break; /* close connection if necessary */ case MHD_CONNECTION_CLOSED: gnutls_bye (connection->tls_session, GNUTLS_SHUT_RDWR); return MHD_connection_handle_idle (connection); default: if ( (0 != gnutls_record_check_pending (connection->tls_session)) && (MHD_YES != MHD_tls_connection_handle_read (connection)) ) return MHD_YES; return MHD_connection_handle_idle (connection); } #if EPOLL_SUPPORT return MHD_connection_epoll_update_ (connection); #else return MHD_YES; #endif } /** * Set connection callback function to be used through out * the processing of this secure connection. * * @param connection which callbacks should be modified */ void MHD_set_https_callbacks (struct MHD_Connection *connection) { connection->read_handler = &MHD_tls_connection_handle_read; connection->write_handler = &MHD_tls_connection_handle_write; connection->idle_handler = &MHD_tls_connection_handle_idle; } /* end of connection_https.c */ libmicrohttpd-0.9.33/src/microhttpd/EXPORT.sym0000644000175000017500000000163312232153671016117 00000000000000MHD_start_daemon MHD_start_daemon_va MHD_stop_daemon MHD_get_fdset MHD_get_timeout MHD_run MHD_run_from_select MHD_get_connection_values MHD_set_connection_value MHD_lookup_connection_value MHD_queue_response MHD_create_response_from_callback MHD_create_response_from_data MHD_create_response_from_fd MHD_create_response_from_fd_at_offset MHD_create_response_from_buffer MHD_destroy_response MHD_add_response_header MHD_add_response_footer MHD_del_response_header MHD_get_response_headers MHD_get_response_header MHD_create_post_processor MHD_post_process MHD_quiesce_daemon MHD_destroy_post_processor MHD_get_daemon_info MHD_get_connection_info MHD_set_panic_func MHD_get_version MHD_digest_auth_get_username MHD_digest_auth_check MHD_queue_auth_fail_response MHD_basic_auth_get_username_password MHD_queue_basic_auth_fail_response MHD_add_connection MHD_set_connection_option MHD_suspend_connection MHD_resume_connection libmicrohttpd-0.9.33/src/microhttpd/tsearch.h0000644000175000017500000000160512161414221016135 00000000000000/*- * Written by J.T. Conklin * Public domain. * * $NetBSD: search.h,v 1.12 1999/02/22 10:34:28 christos Exp $ * $FreeBSD: release/9.0.0/include/search.h 105250 2002-10-16 14:29:23Z robert $ */ #ifndef _SEARCH_H_ #define _SEARCH_H_ #include #include typedef enum { preorder, postorder, endorder, leaf } VISIT; #ifdef _SEARCH_PRIVATE typedef struct node { char *key; struct node *llink, *rlink; } node_t; #endif __BEGIN_DECLS void *tdelete(const void * __restrict, void ** __restrict, int (*)(const void *, const void *)); void *tfind(const void *, void * const *, int (*)(const void *, const void *)); void *tsearch(const void *, void **, int (*)(const void *, const void *)); void twalk(const void *, void (*)(const void *, VISIT, int)); void tdestroy(void *, void (*)(void *)); __END_DECLS #endif /* !_SEARCH_H_ */ libmicrohttpd-0.9.33/src/spdy2http/0000755000175000017500000000000012255341026014203 500000000000000libmicrohttpd-0.9.33/src/spdy2http/Makefile.in0000644000175000017500000006010712255340775016206 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; 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AM_CFLAGS = -DDATA_DIR=\"$(top_srcdir)/src/datadir/\" if USE_COVERAGE AM_CFLAGS += -fprofile-arcs -ftest-coverage endif if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir) \ -I$(top_srcdir)/src/include \ -I$(top_srcdir)/src/applicationlayer \ $(LIBCURL_CPPFLAGS) if !HAVE_W32 PERF_GET_CONCURRENT=perf_get_concurrent endif bin_PROGRAMS = \ microspdy2http microspdy2http_SOURCES = \ proxy.c microspdy2http_LDADD = \ $(top_builddir)/src/microspdy/libmicrospdy.la \ -lssl \ -lcrypto \ -lz \ -ldl \ -lcurl libmicrohttpd-0.9.33/src/spdy2http/proxy.c0000644000175000017500000010575712226045640015470 00000000000000/* This file is part of libmicrospdy Copyright (C) 2013 Andrey Uzunov This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file proxy.c * @brief Translates incoming SPDY requests to http server on localhost. * Uses libcurl. * No error handling for curl requests. * TODO: * - test all options! * - don't abort on lack of memory * - Correct recapitalizetion of header names before giving the headers * to curl. * - curl does not close sockets when connection is closed and no * new sockets are opened (they stay in CLOSE_WAIT) * - add '/' when a user requests http://example.com . Now this is a bad * request * - curl returns 0 or 1 ms for timeout even when nothing will be done; * thus the loop uses CPU for nothing * @author Andrey Uzunov */ #include "platform.h" #include #include #include #include #include #include #include #include #include "microspdy.h" #include #include #include #include #define ERROR_RESPONSE "502 Bad Gateway" struct global_options { char *http_backend; char *cert; char *cert_key; char *listen_host; unsigned int timeout; uint16_t listen_port; bool verbose; bool curl_verbose; bool transparent; bool http10; bool notls; bool nodelay; bool ipv4; bool ipv6; } glob_opt; struct URI { char * full_uri; char * scheme; char * host_and_port; //char * host_and_port_for_connecting; char * host; char * path; char * path_and_more; char * query; char * fragment; uint16_t port; }; #define PRINT_INFO(msg) do{\ fprintf(stdout, "%i:%s\n", __LINE__, msg);\ fflush(stdout);\ }\ while(0) #define PRINT_INFO2(fmt, ...) do{\ fprintf(stdout, "%i\n", __LINE__);\ fprintf(stdout, fmt,##__VA_ARGS__);\ fprintf(stdout, "\n");\ fflush(stdout);\ }\ while(0) #define PRINT_VERBOSE(msg) do{\ if(glob_opt.verbose){\ fprintf(stdout, "%i:%s\n", __LINE__, msg);\ fflush(stdout);\ }\ }\ while(0) #define PRINT_VERBOSE2(fmt, ...) do{\ if(glob_opt.verbose){\ fprintf(stdout, "%i\n", __LINE__);\ fprintf(stdout, fmt,##__VA_ARGS__);\ fprintf(stdout, "\n");\ fflush(stdout);\ }\ }\ while(0) #define CURL_SETOPT(handle, opt, val) do{\ int ret; \ if(CURLE_OK != (ret = curl_easy_setopt(handle, opt, val))) \ { \ PRINT_INFO2("curl_easy_setopt failed (%i = %i)", opt, ret); \ abort(); \ } \ }\ while(0) #define DIE(msg) do{\ printf("FATAL ERROR (line %i): %s\n", __LINE__, msg);\ fflush(stdout);\ exit(EXIT_FAILURE);\ }\ while(0) static int loop = 1; static CURLM *multi_handle; static int still_running = 0; /* keep number of running handles */ static regex_t uri_preg; static bool call_spdy_run; static bool call_curl_run; int debug_num_curls; struct Proxy { char *url; struct SPDY_Request *request; struct SPDY_Response *response; CURL *curl_handle; struct curl_slist *curl_headers; struct SPDY_NameValue *headers; char *version; char *status_msg; void *http_body; void *received_body; bool *session_alive; size_t http_body_size; size_t received_body_size; //ssize_t length; int status; //bool done; bool receiving_done; bool is_curl_read_paused; bool is_with_body_data; //bool error; bool curl_done; bool curl_error; bool spdy_done; bool spdy_error; }; static void free_uri(struct URI * uri) { if(NULL != uri) { free(uri->full_uri); free(uri->scheme); free(uri->host_and_port); //free(uri->host_and_port_for_connecting); free(uri->host); free(uri->path); free(uri->path_and_more); free(uri->query); free(uri->fragment); uri->port = 0; free(uri); } } static int init_parse_uri(regex_t * preg) { // RFC 2396 // ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? /* scheme = $2 authority = $4 path = $5 query = $7 fragment = $9 */ return regcomp(preg, "^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?", REG_EXTENDED); } static void deinit_parse_uri(regex_t * preg) { regfree(preg); } static int parse_uri(regex_t * preg, const char * full_uri, struct URI ** uri) { //TODO memeory checks int ret; char *colon; long long port; size_t nmatch = 10; regmatch_t pmatch[10]; if (0 != (ret = regexec(preg, full_uri, nmatch, pmatch, 0))) return ret; *uri = malloc(sizeof(struct URI)); if(NULL == *uri) return -200; (*uri)->full_uri = strdup(full_uri); asprintf(&((*uri)->scheme), "%.*s", (int) (pmatch[2].rm_eo - pmatch[2].rm_so), &full_uri[pmatch[2].rm_so]); asprintf(&((*uri)->host_and_port), "%.*s", (int) (pmatch[4].rm_eo - pmatch[4].rm_so), &full_uri[pmatch[4].rm_so]); asprintf(&((*uri)->path), "%.*s", (int) (pmatch[5].rm_eo - pmatch[5].rm_so), &full_uri[pmatch[5].rm_so]); asprintf(&((*uri)->path_and_more), "%.*s", (int) (pmatch[9].rm_eo - pmatch[5].rm_so), &full_uri[pmatch[5].rm_so]); asprintf(&((*uri)->query), "%.*s", (int) (pmatch[7].rm_eo - pmatch[7].rm_so), &full_uri[pmatch[7].rm_so]); asprintf(&((*uri)->fragment), "%.*s", (int) (pmatch[9].rm_eo - pmatch[9].rm_so), &full_uri[pmatch[9].rm_so]); colon = strrchr((*uri)->host_and_port, ':'); if(NULL == colon) { (*uri)->host = strdup((*uri)->host_and_port); /*if(0 == strcasecmp("http", uri->scheme)) { uri->port = 80; asprintf(&(uri->host_and_port_for_connecting), "%s:80", uri->host_and_port); } else if(0 == strcasecmp("https", uri->scheme)) { uri->port = 443; asprintf(&(uri->host_and_port_for_connecting), "%s:443", uri->host_and_port); } else { PRINT_INFO("no standard scheme!"); */(*uri)->port = 0; /*uri->host_and_port_for_connecting = strdup(uri->host_and_port); }*/ return 0; } port = atoi(colon + 1); if(port<1 || port >= 256 * 256) { free_uri(*uri); return -100; } (*uri)->port = port; asprintf(&((*uri)->host), "%.*s", (int)(colon - (*uri)->host_and_port), (*uri)->host_and_port); return 0; } static bool store_in_buffer(const void *src, size_t src_size, void **dst, size_t *dst_size) { if(0 == src_size) return true; if(NULL == *dst) *dst = malloc(src_size); else *dst = realloc(*dst, src_size + *dst_size); if(NULL == *dst) return false; memcpy(*dst + *dst_size, src, src_size); *dst_size += src_size; return true; } static ssize_t get_from_buffer(void **src, size_t *src_size, void *dst, size_t max_size) { size_t ret; void *newbody; if(max_size >= *src_size) { ret = *src_size; newbody = NULL; } else { ret = max_size; if(NULL == (newbody = malloc(*src_size - max_size))) return -1; memcpy(newbody, *src + ret, *src_size - ret); } memcpy(dst, *src, ret); free(*src); *src = newbody; *src_size -= ret; return ret; } static void catch_signal(int signal) { (void)signal; loop = 0; } static void new_session_cb (void * cls, struct SPDY_Session * session) { (void)cls; bool *session_alive; PRINT_VERBOSE("new session"); //TODO clean this memory if(NULL == (session_alive = malloc(sizeof(bool)))) { DIE("no memory"); } *session_alive = true; SPDY_set_cls_to_session(session, session_alive); } static void session_closed_cb (void * cls, struct SPDY_Session * session, int by_client) { (void)cls; bool *session_alive; PRINT_VERBOSE2("session closed; by client: %i", by_client); session_alive = SPDY_get_cls_from_session(session); assert(NULL != session_alive); *session_alive = false; } static int spdy_post_data_cb (void * cls, struct SPDY_Request *request, const void * buf, size_t size, bool more) { (void)cls; int ret; struct Proxy *proxy = (struct Proxy *)SPDY_get_cls_from_request(request); if(!store_in_buffer(buf, size, &proxy->received_body, &proxy->received_body_size)) { PRINT_INFO("not enough memory (malloc/realloc returned NULL)"); return 0; } proxy->receiving_done = !more; PRINT_VERBOSE2("POST bytes from SPDY: %zu", size); call_curl_run = true; if(proxy->is_curl_read_paused) { if(CURLE_OK != (ret = curl_easy_pause(proxy->curl_handle, CURLPAUSE_CONT))) { PRINT_INFO2("curl_easy_pause returned %i", ret); abort(); } PRINT_VERBOSE("curl_read_cb pause resumed"); } return SPDY_YES; } ssize_t response_callback (void *cls, void *buffer, size_t max, bool *more) { ssize_t ret; struct Proxy *proxy = (struct Proxy *)cls; *more = true; assert(!proxy->spdy_error); if(proxy->curl_error) { PRINT_VERBOSE("tell spdy about the error"); return -1; } if(!proxy->http_body_size)//nothing to write now { PRINT_VERBOSE("nothing to write now"); if(proxy->curl_done || proxy->curl_error) *more = false; return 0; } ret = get_from_buffer(&(proxy->http_body), &(proxy->http_body_size), buffer, max); if(ret < 0) { PRINT_INFO("no memory"); //TODO error? return -1; } if((proxy->curl_done || proxy->curl_error) && 0 == proxy->http_body_size) *more = false; PRINT_VERBOSE2("given bytes to microspdy: %zd", ret); return ret; } static void cleanup(struct Proxy *proxy) { int ret; //fprintf(stderr, "free proxy for %s\n", proxy->url); if(CURLM_OK != (ret = curl_multi_remove_handle(multi_handle, proxy->curl_handle))) { PRINT_INFO2("curl_multi_remove_handle failed (%i)", ret); DIE("bug in cleanup"); } debug_num_curls--; //TODO bug on ku6.com or amazon.cn // after curl_multi_remove_handle returned CURLM_BAD_EASY_HANDLE curl_slist_free_all(proxy->curl_headers); curl_easy_cleanup(proxy->curl_handle); free(proxy->url); free(proxy); } static void response_done_callback(void *cls, struct SPDY_Response *response, struct SPDY_Request *request, enum SPDY_RESPONSE_RESULT status, bool streamopened) { (void)streamopened; struct Proxy *proxy = (struct Proxy *)cls; if(SPDY_RESPONSE_RESULT_SUCCESS != status) { free(proxy->http_body); proxy->http_body = NULL; proxy->spdy_error = true; } cleanup(proxy); SPDY_destroy_request(request); SPDY_destroy_response(response); } static size_t curl_header_cb(void *ptr, size_t size, size_t nmemb, void *userp) { size_t realsize = size * nmemb; struct Proxy *proxy = (struct Proxy *)userp; char *line = (char *)ptr; char *name; char *value; char *status; unsigned int i; unsigned int pos; int ret; int num_values; const char * const * values; bool abort_it; //printf("curl_header_cb %s\n", line); if(!*(proxy->session_alive)) { PRINT_VERBOSE("headers received, but session is dead"); proxy->spdy_error = true; proxy->curl_error = true; return 0; } //trailer if(NULL != proxy->response) return 0; if('\r' == line[0] || '\n' == line[0]) { //all headers were already handled; prepare spdy frames if(NULL == (proxy->response = SPDY_build_response_with_callback(proxy->status, proxy->status_msg, proxy->version, proxy->headers, &response_callback, proxy, 0))) //256))) DIE("no response"); SPDY_name_value_destroy(proxy->headers); proxy->headers = NULL; free(proxy->status_msg); proxy->status_msg = NULL; free(proxy->version); proxy->version = NULL; if(SPDY_YES != SPDY_queue_response(proxy->request, proxy->response, true, false, &response_done_callback, proxy)) { //DIE("no queue"); //TODO right? proxy->spdy_error = true; proxy->curl_error = true; PRINT_VERBOSE2("no queue in curl_header_cb for %s", proxy->url); SPDY_destroy_response(proxy->response); proxy->response = NULL; return 0; } call_spdy_run = true; return realsize; } pos = 0; if(NULL == proxy->version) { //first line from headers //version for(i=pos; iversion = strndup(line, i - pos))) DIE("No memory"); pos = i+1; //status (number) for(i=pos; istatus = atoi(status); free(status); if(istatus_msg = strndup(&(line[pos]), i - pos))) DIE("No memory"); } PRINT_VERBOSE2("Header line received '%s' '%i' '%s' ", proxy->version, proxy->status, proxy->status_msg); return realsize; } //other lines //header name for(i=pos; iheaders, name, "")) DIE("SPDY_name_value_add failed"); return realsize; } //header value pos = i+1; while(posheaders, name, value))) { abort_it=true; if(NULL != (values = SPDY_name_value_lookup(proxy->headers, name, &num_values))) for(i=0; i<(unsigned int)num_values; ++i) if(0 == strcasecmp(value, values[i])) { abort_it=false; PRINT_VERBOSE2("header appears more than once with same value '%s: %s'", name, value); break; } if(abort_it) { PRINT_INFO2("SPDY_name_value_add failed (%i) for '%s'", ret, name); abort(); } } free(name); free(value); return realsize; } static size_t curl_write_cb(void *contents, size_t size, size_t nmemb, void *userp) { size_t realsize = size * nmemb; struct Proxy *proxy = (struct Proxy *)userp; //printf("curl_write_cb %i\n", realsize); if(!*(proxy->session_alive)) { PRINT_VERBOSE("data received, but session is dead"); proxy->spdy_error = true; proxy->curl_error = true; return 0; } if(!store_in_buffer(contents, realsize, &proxy->http_body, &proxy->http_body_size)) { PRINT_INFO("not enough memory (malloc/realloc returned NULL)"); proxy->curl_error = true; return 0; } /* if(NULL == proxy->http_body) proxy->http_body = malloc(realsize); else proxy->http_body = realloc(proxy->http_body, proxy->http_body_size + realsize); if(NULL == proxy->http_body) { PRINT_INFO("not enough memory (realloc returned NULL)"); return 0; } memcpy(proxy->http_body + proxy->http_body_size, contents, realsize); proxy->http_body_size += realsize; */ PRINT_VERBOSE2("received bytes from curl: %zu", realsize); call_spdy_run = true; return realsize; } static size_t curl_read_cb(void *ptr, size_t size, size_t nmemb, void *userp) { ssize_t ret; size_t max = size * nmemb; struct Proxy *proxy = (struct Proxy *)userp; //void *newbody; if((proxy->receiving_done && !proxy->received_body_size) || !proxy->is_with_body_data || max < 1) { PRINT_VERBOSE("curl_read_cb last call"); return 0; } if(!*(proxy->session_alive)) { PRINT_VERBOSE("POST is still being sent, but session is dead"); return CURL_READFUNC_ABORT; } if(!proxy->received_body_size)//nothing to write now { PRINT_VERBOSE("curl_read_cb called paused"); proxy->is_curl_read_paused = true; return CURL_READFUNC_PAUSE;//TODO curl pause should be used } ret = get_from_buffer(&(proxy->received_body), &(proxy->received_body_size), ptr, max); if(ret < 0) { PRINT_INFO("no memory"); return CURL_READFUNC_ABORT; } /* if(max >= proxy->received_body_size) { ret = proxy->received_body_size; newbody = NULL; } else { ret = max; if(NULL == (newbody = malloc(proxy->received_body_size - max))) { PRINT_INFO("no memory"); return CURL_READFUNC_ABORT; } memcpy(newbody, proxy->received_body + max, proxy->received_body_size - max); } memcpy(ptr, proxy->received_body, ret); free(proxy->received_body); proxy->received_body = newbody; proxy->received_body_size -= ret; * */ PRINT_VERBOSE2("given POST bytes to curl: %zd", ret); return ret; } static int iterate_cb (void *cls, const char *name, const char * const * value, int num_values) { struct Proxy *proxy = (struct Proxy *)cls; struct curl_slist **curl_headers = (&(proxy->curl_headers)); char *line; int line_len = strlen(name) + 3; //+ ": \0" int i; for(i=0; isession_alive = SPDY_get_cls_from_session(session); assert(NULL != proxy->session_alive); SPDY_set_cls_to_request(request, proxy); proxy->request = request; proxy->is_with_body_data = more; if(NULL == (proxy->headers = SPDY_name_value_create())) DIE("No memory"); if(glob_opt.transparent) { if(NULL != glob_opt.http_backend) //use always same host ret = asprintf(&(proxy->url),"%s://%s%s", scheme, glob_opt.http_backend, path); else //use host header ret = asprintf(&(proxy->url),"%s://%s%s", scheme, host, path); if(-1 == ret) DIE("No memory"); ret = parse_uri(&uri_preg, proxy->url, &uri); if(ret != 0) DIE("parsing built uri failed"); } else { ret = parse_uri(&uri_preg, path, &uri); PRINT_INFO2("path %s '%s' '%s'", path, uri->scheme, uri->host); if(ret != 0 || !strlen(uri->scheme) || !strlen(uri->host)) DIE("parsing received uri failed"); if(NULL != glob_opt.http_backend) //use backend host { ret = asprintf(&(proxy->url),"%s://%s%s", uri->scheme, glob_opt.http_backend, uri->path_and_more); if(-1 == ret) DIE("No memory"); } else //use request path if(NULL == (proxy->url = strdup(path))) DIE("No memory"); } free_uri(uri); PRINT_VERBOSE2("curl will request '%s'", proxy->url); SPDY_name_value_iterate(headers, &iterate_cb, proxy); if(NULL == (proxy->curl_handle = curl_easy_init())) { PRINT_INFO("curl_easy_init failed"); abort(); } if(glob_opt.curl_verbose) CURL_SETOPT(proxy->curl_handle, CURLOPT_VERBOSE, 1); if(0 == strcmp(SPDY_HTTP_METHOD_POST,method)) { if(NULL == (proxy->curl_headers = curl_slist_append(proxy->curl_headers, "Expect:"))) DIE("curl_slist_append failed"); CURL_SETOPT(proxy->curl_handle, CURLOPT_POST, 1); CURL_SETOPT(proxy->curl_handle, CURLOPT_READFUNCTION, curl_read_cb); CURL_SETOPT(proxy->curl_handle, CURLOPT_READDATA, proxy); } if(glob_opt.timeout) CURL_SETOPT(proxy->curl_handle, CURLOPT_TIMEOUT, glob_opt.timeout); CURL_SETOPT(proxy->curl_handle, CURLOPT_URL, proxy->url); if(glob_opt.http10) CURL_SETOPT(proxy->curl_handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); CURL_SETOPT(proxy->curl_handle, CURLOPT_WRITEFUNCTION, curl_write_cb); CURL_SETOPT(proxy->curl_handle, CURLOPT_WRITEDATA, proxy); CURL_SETOPT(proxy->curl_handle, CURLOPT_HEADERFUNCTION, curl_header_cb); CURL_SETOPT(proxy->curl_handle, CURLOPT_HEADERDATA, proxy); CURL_SETOPT(proxy->curl_handle, CURLOPT_PRIVATE, proxy); CURL_SETOPT(proxy->curl_handle, CURLOPT_HTTPHEADER, proxy->curl_headers); CURL_SETOPT(proxy->curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);//TODO CURL_SETOPT(proxy->curl_handle, CURLOPT_SSL_VERIFYHOST, 0L); if(glob_opt.ipv4 && !glob_opt.ipv6) CURL_SETOPT(proxy->curl_handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); else if(glob_opt.ipv6 && !glob_opt.ipv4) CURL_SETOPT(proxy->curl_handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6); if(CURLM_OK != (ret = curl_multi_add_handle(multi_handle, proxy->curl_handle))) { PRINT_INFO2("curl_multi_add_handle failed (%i)", ret); abort(); } debug_num_curls++; //~5ms additional latency for calling this if(CURLM_OK != (ret = curl_multi_perform(multi_handle, &still_running)) && CURLM_CALL_MULTI_PERFORM != ret) { PRINT_INFO2("curl_multi_perform failed (%i)", ret); abort(); } call_curl_run = true; } static int run () { unsigned long long timeoutlong = 0; unsigned long long timeout_spdy = 0; long timeout_curl = -1; struct timeval timeout; int ret; int ret_curl; int ret_spdy; fd_set rs; fd_set ws; fd_set es; int maxfd = -1; int maxfd_curl = -1; struct SPDY_Daemon *daemon; CURLMsg *msg; int msgs_left; struct Proxy *proxy; struct sockaddr_in *addr; struct addrinfo hints; char service[NI_MAXSERV]; struct addrinfo *gai; enum SPDY_IO_SUBSYSTEM io = glob_opt.notls ? SPDY_IO_SUBSYSTEM_RAW : SPDY_IO_SUBSYSTEM_OPENSSL; enum SPDY_DAEMON_FLAG flags = SPDY_DAEMON_FLAG_NO; //struct SPDY_Response *error_response; char *curl_private; signal(SIGPIPE, SIG_IGN); if (signal(SIGINT, catch_signal) == SIG_ERR) PRINT_VERBOSE("signal failed"); srand(time(NULL)); if(init_parse_uri(&uri_preg)) DIE("Regexp compilation failed"); SPDY_init(); if(glob_opt.nodelay) flags |= SPDY_DAEMON_FLAG_NO_DELAY; if(NULL == glob_opt.listen_host) { daemon = SPDY_start_daemon(glob_opt.listen_port, glob_opt.cert, glob_opt.cert_key, &new_session_cb, &session_closed_cb, &standard_request_handler, &spdy_post_data_cb, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_IO_SUBSYSTEM, io, SPDY_DAEMON_OPTION_FLAGS, flags, SPDY_DAEMON_OPTION_END); } else { snprintf (service, sizeof(service), "%u", glob_opt.listen_port); memset (&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_INET; hints.ai_socktype = SOCK_STREAM; ret = getaddrinfo(glob_opt.listen_host, service, &hints, &gai); if(ret != 0) DIE("problem with specified host"); addr = (struct sockaddr_in *) gai->ai_addr; daemon = SPDY_start_daemon(0, glob_opt.cert, glob_opt.cert_key, &new_session_cb, &session_closed_cb, &standard_request_handler, &spdy_post_data_cb, NULL, SPDY_DAEMON_OPTION_SESSION_TIMEOUT, 1800, SPDY_DAEMON_OPTION_IO_SUBSYSTEM, io, SPDY_DAEMON_OPTION_FLAGS, flags, SPDY_DAEMON_OPTION_SOCK_ADDR, addr, //SPDY_DAEMON_OPTION_MAX_NUM_FRAMES, //1, SPDY_DAEMON_OPTION_END); } if(NULL==daemon){ printf("no daemon\n"); return 1; } multi_handle = curl_multi_init(); if(NULL==multi_handle) DIE("no multi_handle"); timeout.tv_usec = 0; do { FD_ZERO(&rs); FD_ZERO(&ws); FD_ZERO(&es); PRINT_VERBOSE2("num curls %i", debug_num_curls); ret_spdy = SPDY_get_timeout(daemon, &timeout_spdy); if(SPDY_NO == ret_spdy || timeout_spdy > 5000) timeoutlong = 5000; else timeoutlong = timeout_spdy; PRINT_VERBOSE2("SPDY timeout %lld; %i", timeout_spdy, ret_spdy); if(CURLM_OK != (ret_curl = curl_multi_timeout(multi_handle, &timeout_curl))) { PRINT_VERBOSE2("curl_multi_timeout failed (%i)", ret_curl); //curl_timeo = timeoutlong; } else if(timeout_curl >= 0 && timeoutlong > (unsigned long)timeout_curl) timeoutlong = (unsigned long)timeout_curl; PRINT_VERBOSE2("curl timeout %ld", timeout_curl); timeout.tv_sec = timeoutlong / 1000; timeout.tv_usec = (timeoutlong % 1000) * 1000; maxfd = SPDY_get_fdset (daemon, &rs, &ws, &es); assert(-1 != maxfd); if(CURLM_OK != (ret = curl_multi_fdset(multi_handle, &rs, &ws, &es, &maxfd_curl))) { PRINT_INFO2("curl_multi_fdset failed (%i)", ret); abort(); } if(maxfd_curl > maxfd) maxfd = maxfd_curl; PRINT_VERBOSE2("timeout before %lld %lld", (unsigned long long)timeout.tv_sec, (unsigned long long)timeout.tv_usec); ret = select(maxfd+1, &rs, &ws, &es, &timeout); PRINT_VERBOSE2("timeout after %lld %lld; ret is %i", (unsigned long long)timeout.tv_sec, (unsigned long long)timeout.tv_usec, ret); /*switch(ret) { case -1: PRINT_INFO2("select error: %i", errno); break; case 0: break; default:*/ //the second part should not happen with current implementation if(ret > 0 || (SPDY_YES == ret_spdy && 0 == timeout_spdy)) { PRINT_VERBOSE("run spdy"); SPDY_run(daemon); call_spdy_run = false; } //if(ret > 0 || (CURLM_OK == ret_curl && 0 == timeout_curl) || call_curl_run) { PRINT_VERBOSE("run curl"); if(CURLM_OK != (ret = curl_multi_perform(multi_handle, &still_running)) && CURLM_CALL_MULTI_PERFORM != ret) { PRINT_INFO2("curl_multi_perform failed (%i)", ret); abort(); } call_curl_run = false; } /*break; }*/ while ((msg = curl_multi_info_read(multi_handle, &msgs_left))) { if (msg->msg == CURLMSG_DONE) { PRINT_VERBOSE("A curl handler is done"); if(CURLE_OK != (ret = curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, &curl_private))) { PRINT_INFO2("err %i",ret); abort(); } assert(NULL != curl_private); proxy = (struct Proxy *)curl_private; if(CURLE_OK == msg->data.result) { proxy->curl_done = true; call_spdy_run = true; //TODO what happens with proxy when the client resets a stream //and response_done is not yet set for the last frame? is it //possible? } else { PRINT_VERBOSE2("bad curl result (%i) for '%s'", msg->data.result, proxy->url); if(proxy->spdy_done || proxy->spdy_error || (NULL == proxy->response && !*(proxy->session_alive))) { PRINT_VERBOSE("cleaning"); SPDY_name_value_destroy(proxy->headers); SPDY_destroy_request(proxy->request); SPDY_destroy_response(proxy->response); cleanup(proxy); } else if(NULL == proxy->response && *(proxy->session_alive)) { //generate error for the client PRINT_VERBOSE("will send Bad Gateway"); SPDY_name_value_destroy(proxy->headers); proxy->headers = NULL; if(NULL == (proxy->response = SPDY_build_response(SPDY_HTTP_BAD_GATEWAY, NULL, SPDY_HTTP_VERSION_1_1, NULL, ERROR_RESPONSE, strlen(ERROR_RESPONSE)))) DIE("no response"); if(SPDY_YES != SPDY_queue_response(proxy->request, proxy->response, true, false, &response_done_callback, proxy)) { //clean and forget PRINT_VERBOSE("cleaning"); SPDY_destroy_request(proxy->request); SPDY_destroy_response(proxy->response); cleanup(proxy); } } else { proxy->curl_error = true; } call_spdy_run = true; //TODO spdy should be notified to send RST_STREAM } } else PRINT_INFO("shouldn't happen"); } if(call_spdy_run) { PRINT_VERBOSE("second call to SPDY_run"); SPDY_run(daemon); call_spdy_run = false; } if(glob_opt.verbose) { #ifdef HAVE_CLOCK_GETTIME #ifdef CLOCK_MONOTONIC struct timespec ts; if (0 == clock_gettime(CLOCK_MONOTONIC, &ts)) PRINT_VERBOSE2 ("time now %lld %lld", (unsigned long long) ts.tv_sec, (unsigned long long) ts.tv_nsec); } #endif #endif } while(loop); SPDY_stop_daemon(daemon); curl_multi_cleanup(multi_handle); SPDY_deinit(); deinit_parse_uri(&uri_preg); return 0; } static void display_usage() { printf( "Usage: microspdy2http -p [-c ] [-k ]\n" " [-rvh0DtT] [-b ] [-l ]\n\n" "OPTIONS:\n" " -p, --port Listening port.\n" " -l, --host Listening host. If not set, will listen on [::]\n" " -c, --certificate Path to a certificate file. Requiered if\n" " --no-tls is not set.\n" " -k, --certificate-key Path to a key file for the certificate.\n" " Requiered if --no-tls is not set.\n" " -b, --backend-server If set, the proxy will connect always to it.\n" " Otherwise the proxy will connect to the URL\n" " which is specified in the path or 'Host:'.\n" " -v, --verbose Print debug information.\n" " -r, --no-tls Do not use TLS. Client must use SPDY/3.\n" " -h, --curl-verbose Print debug information for curl.\n" " -0, --http10 Prefer HTTP/1.0 connections to the next hop.\n" " -D, --no-delay This makes sense only if --no-tls is used.\n" " TCP_NODELAY will be used for all sessions' sockets.\n" " -4, --curl-ipv4 Curl may use IPv4 to connect to the final destination.\n" " -6, --curl-ipv6 Curl may use IPv6 to connect to the final destination.\n" " If neither --curl-ipv4 nor --curl-ipv6 is set,\n" " both will be used by default.\n" " -T, --timeout Maximum time in seconds for each HTTP transfer.\n" " Use 0 for no timeout; this is the default value.\n" " -t, --transparent If set, the proxy will fetch an URL which\n" " is based on 'Host:' header and requested path.\n" " Otherwise, full URL in the requested path is required.\n\n" ); } int main (int argc, char *const *argv) { int getopt_ret; int option_index; struct option long_options[] = { {"port", required_argument, 0, 'p'}, {"certificate", required_argument, 0, 'c'}, {"certificate-key", required_argument, 0, 'k'}, {"backend-server", required_argument, 0, 'b'}, {"no-tls", no_argument, 0, 'r'}, {"verbose", no_argument, 0, 'v'}, {"curl-verbose", no_argument, 0, 'h'}, {"http10", no_argument, 0, '0'}, {"no-delay", no_argument, 0, 'D'}, {"transparent", no_argument, 0, 't'}, {"curl-ipv4", no_argument, 0, '4'}, {"curl-ipv6", no_argument, 0, '6'}, {"timeout", required_argument, 0, 'T'}, {0, 0, 0, 0} }; while (1) { getopt_ret = getopt_long( argc, argv, "p:l:c:k:b:rv0Dth46T:", long_options, &option_index); if (getopt_ret == -1) break; switch(getopt_ret) { case 'p': glob_opt.listen_port = atoi(optarg); break; case 'l': glob_opt.listen_host= strdup(optarg); if(NULL == glob_opt.listen_host) return 1; break; case 'c': glob_opt.cert = strdup(optarg); break; case 'k': glob_opt.cert_key = strdup(optarg); break; case 'b': glob_opt.http_backend = strdup(optarg); if(NULL == glob_opt.http_backend) return 1; break; case 'r': glob_opt.notls = true; break; case 'v': glob_opt.verbose = true; break; case 'h': glob_opt.curl_verbose = true; break; case '0': glob_opt.http10 = true; break; case 'D': glob_opt.nodelay = true; break; case 't': glob_opt.transparent = true; break; case '4': glob_opt.ipv4 = true; break; case '6': glob_opt.ipv6 = true; break; case 'T': glob_opt.timeout = atoi(optarg); break; case 0: PRINT_INFO("0 from getopt"); break; case '?': display_usage(); return 1; default: DIE("default from getopt"); } } if( 0 == glob_opt.listen_port || (!glob_opt.notls && (NULL == glob_opt.cert || NULL == glob_opt.cert_key)) //|| !glob_opt.transparent && NULL != glob_opt.http_backend ) { display_usage(); return 1; } return run(); } libmicrohttpd-0.9.33/src/include/0000755000175000017500000000000012255341026013665 500000000000000libmicrohttpd-0.9.33/src/include/platform.h0000644000175000017500000000520612201703206015576 00000000000000/* This file is part of libmicrohttpd (C) 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file platform.h * @brief platform-specific includes for libmicrohttpd * @author Christian Grothoff * * This file is included by the libmicrohttpd code * before "microhttpd.h"; it provides the required * standard headers (which are platform-specific).

    * * Note that this file depends on our configure.ac * build process and the generated config.h file. * Hence you cannot include it directly in applications * that use libmicrohttpd. */ #ifndef MHD_PLATFORM_H #define MHD_PLATFORM_H #include "MHD_config.h" #define _XOPEN_SOURCE_EXTENDED 1 #if OS390 #define _OPEN_THREADS #define _OPEN_SYS_SOCK_IPV6 #define _OPEN_MSGQ_EXT #define _LP64 #endif #include #include #include #include #include #include #include #include #include #include #undef HAVE_CONFIG_H #include #define HAVE_CONFIG_H 1 /* different OSes have fd_set in a broad range of header files; we just include most of them (if they are available) */ #ifdef OS_VXWORKS #include #include #include #include #define RESTRICT __restrict__ #endif #if HAVE_MEMORY_H #include #endif #if HAVE_SYS_SELECT_H #include #endif #if HAVE_SYS_TYPES_H #include #endif #if HAVE_SYS_TIME_H #include #endif #if HAVE_SYS_STAT_H #include #endif #if HAVE_SYS_MSG_H #include #endif #if HAVE_SYS_MMAN_H #include #endif #if HAVE_NETDB_H #include #endif #if HAVE_NETINET_IN_H #include #endif #if HAVE_TIME_H #include #endif #if HAVE_SYS_SOCKET_H #include #endif #if HAVE_ARPA_INET_H #include #endif #include #endif libmicrohttpd-0.9.33/src/include/Makefile.in0000644000175000017500000005146012255340774015671 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; 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EXTRA_DIST = plibc.h libmicrohttpd-0.9.33/src/include/plibc/plibc.h0000644000175000017500000007655712234125010016152 00000000000000/* This file is part of PlibC. (C) 2005, 2006, 2007, 2008, 2009, 2010 Nils Durner (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /** * @file include/plibc.h * @brief PlibC header * @attention This file is usually not installed under Unix, * so ship it with your application * @version $Revision$ */ #ifndef _PLIBC_H_ #define _PLIBC_H_ #ifndef SIGALRM #define SIGALRM 14 #endif #ifdef __cplusplus extern "C" { #endif #include #ifdef Q_OS_WIN32 #define WINDOWS 1 #endif #define HAVE_PLIBC_FD 0 #ifdef WINDOWS #if ENABLE_NLS #include "langinfo.h" #endif #include #include #include #include #include #include #include #include #include #include #define __BYTE_ORDER BYTE_ORDER #define __BIG_ENDIAN BIG_ENDIAN /* Conflicts with our definitions */ #define __G_WIN32_H__ /* Convert LARGE_INTEGER to double */ #define Li2Double(x) ((double)((x).HighPart) * 4.294967296E9 + \ (double)((x).LowPart)) #ifndef __MINGW64_VERSION_MAJOR struct _stati64 { _dev_t st_dev; _ino_t st_ino; _mode_t st_mode; short st_nlink; short st_uid; short st_gid; _dev_t st_rdev; __int64 st_size; time_t st_atime; time_t st_mtime; time_t st_ctime; }; #endif typedef unsigned int sa_family_t; struct sockaddr_un { short sun_family; /*AF_UNIX*/ char sun_path[108]; /*path name */ }; #ifndef pid_t #define pid_t DWORD #endif #ifndef error_t #define error_t int #endif #ifndef WEXITSTATUS #define WEXITSTATUS(status) (((status) & 0xff00) >> 8) #endif #ifndef MSG_DONTWAIT #define MSG_DONTWAIT 0 #endif enum { _SC_PAGESIZE = 30, _SC_PAGE_SIZE = 30 }; #if !defined(EACCESS) # define EACCESS EACCES #endif /* Thanks to the Cygwin project */ #if !defined(ENOCSI) # define ENOCSI 43 /* No CSI structure available */ #endif #if !defined(EL2HLT) # define EL2HLT 44 /* Level 2 halted */ #endif #if !defined(EDEADLK) # define EDEADLK 45 /* Deadlock condition */ #endif #if !defined(ENOLCK) # define ENOLCK 46 /* No record locks available */ #endif #if !defined(EBADE) # define EBADE 50 /* Invalid exchange */ #endif #if !defined(EBADR) # define EBADR 51 /* Invalid request descriptor */ #endif #if !defined(EXFULL) # define EXFULL 52 /* Exchange full */ #endif #if !defined(ENOANO) # define ENOANO 53 /* No anode */ #endif #if !defined(EBADRQC) # define EBADRQC 54 /* Invalid request code */ #endif #if !defined(EBADSLT) # define EBADSLT 55 /* Invalid slot */ #endif #if !defined(EDEADLOCK) # define EDEADLOCK EDEADLK /* File locking deadlock error */ #endif #if !defined(EBFONT) # define EBFONT 57 /* Bad font file fmt */ #endif #if !defined(ENOSTR) # define ENOSTR 60 /* Device not a stream */ #endif #if !defined(ENODATA) # define ENODATA 61 /* No data (for no delay io) */ #endif #if !defined(ETIME) # define ETIME 62 /* Timer expired */ #endif #if !defined(ENOSR) # define ENOSR 63 /* Out of streams resources */ #endif #if !defined(ENONET) # define ENONET 64 /* Machine is not on the network */ #endif #if !defined(ENOPKG) # define ENOPKG 65 /* Package not installed */ #endif #if !defined(EREMOTE) # define EREMOTE 66 /* The object is remote */ #endif #if !defined(ENOLINK) # define ENOLINK 67 /* The link has been severed */ #endif #if !defined(EADV) # define EADV 68 /* Advertise error */ #endif #if !defined(ESRMNT) # define ESRMNT 69 /* Srmount error */ #endif #if !defined(ECOMM) # define ECOMM 70 /* Communication error on send */ #endif #if !defined(EMULTIHOP) # define EMULTIHOP 74 /* Multihop attempted */ #endif #if !defined(ELBIN) # define ELBIN 75 /* Inode is remote (not really error) */ #endif #if !defined(EDOTDOT) # define EDOTDOT 76 /* Cross mount point (not really error) */ #endif #if !defined(EBADMSG) # define EBADMSG 77 /* Trying to read unreadable message */ #endif #if !defined(ENOTUNIQ) # define ENOTUNIQ 80 /* Given log. name not unique */ #endif #if !defined(EBADFD) # define EBADFD 81 /* f.d. invalid for this operation */ #endif #if !defined(EREMCHG) # define EREMCHG 82 /* Remote address changed */ #endif #if !defined(ELIBACC) # define ELIBACC 83 /* Can't access a needed shared lib */ #endif #if !defined(ELIBBAD) # define ELIBBAD 84 /* Accessing a corrupted shared lib */ #endif #if !defined(ELIBSCN) # define ELIBSCN 85 /* .lib section in a.out corrupted */ #endif #if !defined(ELIBMAX) # define ELIBMAX 86 /* Attempting to link in too many libs */ #endif #if !defined(ELIBEXEC) # define ELIBEXEC 87 /* Attempting to exec a shared library */ #endif #if !defined(ENOSYS) # define ENOSYS 88 /* Function not implemented */ #endif #if !defined(ENMFILE) # define ENMFILE 89 /* No more files */ #endif #if !defined(ENOTEMPTY) # define ENOTEMPTY 90 /* Directory not empty */ #endif #if !defined(ENAMETOOLONG) # define ENAMETOOLONG 91 /* File or path name too long */ #endif #if !defined(EPFNOSUPPORT) # define EPFNOSUPPORT 96 /* Protocol family not supported */ #endif #if !defined(ENOSHARE) # define ENOSHARE 97 /* No such host or network path */ #endif #if !defined(ENOMEDIUM) # define ENOMEDIUM 98 /* No medium (in tape drive) */ #endif #if !defined(ESHUTDOWN) # define ESHUTDOWN 99 /* Can't send after socket shutdown */ #endif #if !defined(EADDRINUSE) # define EADDRINUSE 100 /* Address already in use */ #endif #if !defined(EADDRNOTAVAIL) # define EADDRNOTAVAIL 101 /* Address not available */ #endif #if !defined(EAFNOSUPPORT) # define EAFNOSUPPORT 102 /* Address family not supported by protocol family */ #endif #if !defined(EALREADY) # define EALREADY 103 /* Socket already connected */ #endif #if !defined(ECANCELED) # define ECANCELED 105 /* Connection cancelled */ #endif #if !defined(ECONNABORTED) # define ECONNABORTED 106 /* Connection aborted */ #endif #if !defined(ECONNREFUSED) # define ECONNREFUSED 107 /* Connection refused */ #endif #if !defined(ECONNRESET) # define ECONNRESET 108 /* Connection reset by peer */ #endif #if !defined(EDESTADDRREQ) # define EDESTADDRREQ 109 /* Destination address required */ #endif #if !defined(EHOSTUNREACH) # define EHOSTUNREACH 110 /* Host is unreachable */ #endif #if !defined(ECONNABORTED) # define ECONNABORTED 111 /* Connection aborted */ #endif #if !defined(EINPROGRESS) # define EINPROGRESS 112 /* Connection already in progress */ #endif #if !defined(EISCONN) # define EISCONN 113 /* Socket is already connected */ #endif #if !defined(ELOOP) # define ELOOP 114 /* Too many symbolic links */ #endif #if !defined(EMSGSIZE) # define EMSGSIZE 115 /* Message too long */ #endif #if !defined(ENETDOWN) # define ENETDOWN 116 /* Network interface is not configured */ #endif #if !defined(ENETRESET) # define ENETRESET 117 /* Connection aborted by network */ #endif #if !defined(ENETUNREACH) # define ENETUNREACH 118 /* Network is unreachable */ #endif #if !defined(ENOBUFS) # define ENOBUFS 119 /* No buffer space available */ #endif #if !defined(EHOSTDOWN) # define EHOSTDOWN 120 /* Host is down */ #endif #if !defined(EPROCLIM) # define EPROCLIM 121 /* Too many processes */ #endif #if !defined(EDQUOT) # define EDQUOT 122 /* Disk quota exceeded */ #endif #if !defined(ENOPROTOOPT) # define ENOPROTOOPT 123 /* Protocol not available */ #endif #if !defined(ESOCKTNOSUPPORT) # define ESOCKTNOSUPPORT 124 /* Socket type not supported */ #endif #if !defined(ESTALE) # define ESTALE 125 /* Unknown error */ #endif #if !defined(ENOTCONN) # define ENOTCONN 126 /* Socket is not connected */ #endif #if !defined(ETOOMANYREFS) # define ETOOMANYREFS 127 /* Too many references: cannot splice */ #endif #if !defined(ENOTSOCK) # define ENOTSOCK 128 /* Socket operation on non-socket */ #endif #if !defined(ENOTSUP) # define ENOTSUP 129 /* Not supported */ #endif #if !defined(EOPNOTSUPP) # define EOPNOTSUPP 130 /* Operation not supported on transport endpoint */ #endif #if !defined(EUSERS) # define EUSERS 131 /* Too many users */ #endif #if !defined(EOVERFLOW) # define EOVERFLOW 132 /* Value too large for defined data type */ #endif #if !defined(EOWNERDEAD) # define EOWNERDEAD 133 /* Unknown error */ #endif #if !defined(EPROTO) # define EPROTO 134 /* Protocol error */ #endif #if !defined(EPROTONOSUPPORT) # define EPROTONOSUPPORT 135 /* Unknown protocol */ #endif #if !defined(EPROTOTYPE) # define EPROTOTYPE 136 /* Protocol wrong type for socket */ #endif #if !defined(ECASECLASH) # define ECASECLASH 137 /* Filename exists with different case */ #endif #if !defined(ETIMEDOUT) /* Make sure it's the same as WSATIMEDOUT */ # define ETIMEDOUT 138 /* Connection timed out */ #endif #if !defined(EWOULDBLOCK) || EWOULDBLOCK == 140 # undef EWOULDBLOCK /* MinGW-w64 defines it as 140, but we want it as EAGAIN */ # define EWOULDBLOCK EAGAIN /* Operation would block */ #endif #undef HOST_NOT_FOUND #define HOST_NOT_FOUND 1 #undef TRY_AGAIN #define TRY_AGAIN 2 #undef NO_RECOVERY #define NO_RECOVERY 3 #undef NO_ADDRESS #define NO_ADDRESS 4 #define PROT_READ 0x1 #define PROT_WRITE 0x2 #define MAP_SHARED 0x1 #define MAP_PRIVATE 0x2 /* unsupported */ #define MAP_FIXED 0x10 #define MAP_ANONYMOUS 0x20 /* unsupported */ #define MAP_FAILED ((void *)-1) #define MS_ASYNC 1 /* sync memory asynchronously */ #define MS_INVALIDATE 2 /* invalidate the caches */ #define MS_SYNC 4 /* synchronous memory sync */ struct statfs { long f_type; /* type of filesystem (see below) */ long f_bsize; /* optimal transfer block size */ long f_blocks; /* total data blocks in file system */ long f_bfree; /* free blocks in fs */ long f_bavail; /* free blocks avail to non-superuser */ long f_files; /* total file nodes in file system */ long f_ffree; /* free file nodes in fs */ long f_fsid; /* file system id */ long f_namelen; /* maximum length of filenames */ long f_spare[6]; /* spare for later */ }; /* Taken from the Wine project /wine/include/winternl.h */ enum SYSTEM_INFORMATION_CLASS { SystemBasicInformation = 0, Unknown1, SystemPerformanceInformation = 2, SystemTimeOfDayInformation = 3, /* was SystemTimeInformation */ Unknown4, SystemProcessInformation = 5, Unknown6, Unknown7, SystemProcessorPerformanceInformation = 8, Unknown9, Unknown10, SystemDriverInformation, Unknown12, Unknown13, Unknown14, Unknown15, SystemHandleList, Unknown17, Unknown18, Unknown19, Unknown20, SystemCacheInformation, Unknown22, SystemInterruptInformation = 23, SystemExceptionInformation = 33, SystemRegistryQuotaInformation = 37, SystemLookasideInformation = 45 }; typedef struct { LARGE_INTEGER IdleTime; LARGE_INTEGER KernelTime; LARGE_INTEGER UserTime; LARGE_INTEGER Reserved1[2]; ULONG Reserved2; } SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION; #define sleep(secs) (Sleep(secs * 1000)) /*********************** statfs *****************************/ /* fake block size */ #define FAKED_BLOCK_SIZE 512 /* linux-compatible values for fs type */ #define MSDOS_SUPER_MAGIC 0x4d44 #define NTFS_SUPER_MAGIC 0x5346544E /*********************** End of statfs ***********************/ #define SHUT_RDWR SD_BOTH /* Operations for flock() */ #define LOCK_SH 1 /* shared lock */ #define LOCK_EX 2 /* exclusive lock */ #define LOCK_NB 4 /* or'd with one of the above to prevent blocking */ #define LOCK_UN 8 /* remove lock */ /* Not supported under MinGW */ #define S_IRGRP 0 #define S_IWGRP 0 #define S_IROTH 0 #define S_IXGRP 0 #define S_IWOTH 0 #define S_IXOTH 0 #define S_ISUID 0 #define S_ISGID 0 #define S_ISVTX 0 #define S_IRWXG 0 #define S_IRWXO 0 #define SHUT_WR SD_SEND #define SHUT_RD SD_RECEIVE #define SHUT_RDWR SD_BOTH #define SIGKILL 9 #define SIGTERM 15 #define SetErrnoFromWinError(e) _SetErrnoFromWinError(e, __FILE__, __LINE__) BOOL _plibc_CreateShortcut(const char *pszSrc, const char *pszDest); BOOL _plibc_CreateShortcutW(const wchar_t *pwszSrc, const wchar_t *pwszDest); BOOL _plibc_DereferenceShortcut(char *pszShortcut); BOOL _plibc_DereferenceShortcutW(wchar_t *pwszShortcut); char *plibc_ChooseDir(char *pszTitle, unsigned long ulFlags); wchar_t *plibc_ChooseDirW(wchar_t *pwszTitle, unsigned long ulFlags); char *plibc_ChooseFile(char *pszTitle, unsigned long ulFlags); wchar_t *plibc_ChooseFileW(wchar_t *pwszTitle, unsigned long ulFlags); long QueryRegistry(HKEY hMainKey, const char *pszKey, const char *pszSubKey, char *pszBuffer, long *pdLength); long QueryRegistryW(HKEY hMainKey, const wchar_t *pszKey, const wchar_t *pszSubKey, wchar_t *pszBuffer, long *pdLength); BOOL __win_IsHandleMarkedAsBlocking(int hHandle); void __win_SetHandleBlockingMode(int s, BOOL bBlocking); void __win_DiscardHandleBlockingMode(int s); int _win_isSocketValid(int s); int plibc_conv_to_win_path(const char *pszUnix, char *pszWindows); int plibc_conv_to_win_pathw(const wchar_t *pszUnix, wchar_t *pwszWindows); int plibc_conv_to_win_pathwconv(const char *pszUnix, wchar_t *pwszWindows); int plibc_conv_to_win_pathwconv_ex(const char *pszUnix, wchar_t *pszWindows, int derefLinks); unsigned plibc_get_handle_count(); typedef void (*TPanicProc) (int, char *); void plibc_set_panic_proc(TPanicProc proc); int flock(int fd, int operation); int fsync(int fildes); int inet_pton(int af, const char *src, void *dst); int inet_pton4(const char *src, u_char *dst, int pton); #if USE_IPV6 int inet_pton6(const char *src, u_char *dst); #endif int statfs(const char *path, struct statfs *buf); const char *hstrerror(int err); int mkstemp(char *tmplate); char *strptime (const char *buf, const char *format, struct tm *tm); const char *inet_ntop(int af, const void *src, char *dst, size_t size); #ifndef gmtime_r struct tm *gmtime_r(const time_t *clock, struct tm *result); #endif int plibc_init(char *pszOrg, char *pszApp); int plibc_init_utf8(char *pszOrg, char *pszApp, int utf8_mode); void plibc_shutdown(); int plibc_initialized(); void _SetErrnoFromWinError(long lWinError, char *pszCaller, int iLine); void SetErrnoFromWinsockError(long lWinError); void SetHErrnoFromWinError(long lWinError); void SetErrnoFromHRESULT(HRESULT hRes); int GetErrnoFromWinsockError(long lWinError); FILE *_win_fopen(const char *filename, const char *mode); int _win_fclose(FILE *); DIR *_win_opendir(const char *dirname); struct dirent *_win_readdir(DIR *dirp); int _win_closedir(DIR *dirp); int _win_open(const char *filename, int oflag, ...); #ifdef ENABLE_NLS char *_win_bindtextdomain(const char *domainname, const char *dirname); #endif int _win_chdir(const char *path); int _win_close(int fd); int _win_creat(const char *path, mode_t mode); char *_win_ctime(const time_t *clock); char *_win_ctime_r(const time_t *clock, char *buf); int _win_fstat(int handle, struct stat *buffer); int _win_ftruncate(int fildes, off_t length); int _win_truncate(const char *fname, int distance); int _win_kill(pid_t pid, int sig); int _win_pipe(int *phandles); intptr_t _win_mkfifo(const char *path, mode_t mode); int _win_rmdir(const char *path); int _win_access( const char *path, int mode ); int _win_chmod(const char *filename, int pmode); char *realpath(const char *file_name, char *resolved_name); long _win_random(void); void _win_srandom(unsigned int seed); int _win_remove(const char *path); int _win_rename(const char *oldname, const char *newname); int _win_stat(const char *path, struct stat *buffer); int _win_stati64(const char *path, struct _stati64 *buffer); long _win_sysconf(int name); int _win_unlink(const char *filename); int _win_write(int fildes, const void *buf, size_t nbyte); int _win_read(int fildes, void *buf, size_t nbyte); size_t _win_fwrite(const void *buffer, size_t size, size_t count, FILE *stream); size_t _win_fread( void *buffer, size_t size, size_t count, FILE *stream ); int _win_symlink(const char *path1, const char *path2); void *_win_mmap(void *start, size_t len, int access, int flags, int fd, unsigned long long offset); int _win_msync(void *start, size_t length, int flags); int _win_munmap(void *start, size_t length); int _win_lstat(const char *path, struct stat *buf); int _win_lstati64(const char *path, struct _stati64 *buf); int _win_readlink(const char *path, char *buf, size_t bufsize); int _win_accept(int s, struct sockaddr *addr, int *addrlen); pid_t _win_waitpid(pid_t pid, int *stat_loc, int options); int _win_bind(int s, const struct sockaddr *name, int namelen); int _win_connect(int s,const struct sockaddr *name, int namelen); int _win_getpeername(int s, struct sockaddr *name, int *namelen); int _win_getsockname(int s, struct sockaddr *name, int *namelen); int _win_getsockopt(int s, int level, int optname, char *optval, int *optlen); int _win_listen(int s, int backlog); int _win_recv(int s, char *buf, int len, int flags); int _win_recvfrom(int s, void *buf, int len, int flags, struct sockaddr *from, int *fromlen); int _win_select(int max_fd, fd_set * rfds, fd_set * wfds, fd_set * efds, const struct timeval *tv); int _win_send(int s, const char *buf, int len, int flags); int _win_sendto(int s, const char *buf, int len, int flags, const struct sockaddr *to, int tolen); int _win_setsockopt(int s, int level, int optname, const void *optval, int optlen); int _win_shutdown(int s, int how); int _win_socket(int af, int type, int protocol); int _win_socketpair(int af, int type, int protocol, int socket_vector[2]); struct hostent *_win_gethostbyaddr(const char *addr, int len, int type); struct hostent *_win_gethostbyname(const char *name); struct hostent *gethostbyname2(const char *name, int af); char *_win_strerror(int errnum); int IsWinNT(); char *index(const char *s, int c); char *_win_strtok_r (char *ptr, const char *sep, char **end); #if !HAVE_STRNDUP char *strndup (const char *s, size_t n); #endif #if !HAVE_STRNLEN && (!defined(__MINGW64_VERSION_MAJOR) || !defined(_INC_STRING)) size_t strnlen (const char *str, size_t maxlen); #endif char *stpcpy(char *dest, const char *src); char *strcasestr(const char *haystack_start, const char *needle_start); #ifndef __MINGW64_VERSION_MAJOR #define strcasecmp(a, b) stricmp(a, b) #define strncasecmp(a, b, c) strnicmp(a, b, c) #endif #ifndef wcscasecmp #define wcscasecmp(a, b) wcsicmp(a, b) #endif #ifndef wcsncasecmp #define wcsncasecmp(a, b, c) wcsnicmp(a, b, c) #endif #ifndef strtok_r /* winpthreads defines it in pthread.h */ #define strtok_r _win_strtok_r #endif #endif /* WINDOWS */ #ifndef WINDOWS #define DIR_SEPARATOR '/' #define DIR_SEPARATOR_STR "/" #define PATH_SEPARATOR ':' #define PATH_SEPARATOR_STR ":" #define NEWLINE "\n" #ifdef ENABLE_NLS #define BINDTEXTDOMAIN(d, n) bindtextdomain(d, n) #endif #define CREAT(p, m) creat(p, m) #define PLIBC_CTIME(c) ctime(c) #define CTIME_R(c, b) ctime_r(c, b) #undef FOPEN #define FOPEN(f, m) fopen(f, m) #define FCLOSE(f) fclose(f) #define FTRUNCATE(f, l) ftruncate(f, l) #define TRUNCATE(f, l) truncate(f, l) #define OPENDIR(d) opendir(d) #define CLOSEDIR(d) closedir(d) #define READDIR(d) readdir(d) #define OPEN open #define CHDIR(d) chdir(d) #define CLOSE(f) close(f) #define LSEEK(f, o, w) lseek(f, o, w) #define RMDIR(f) rmdir(f) #define ACCESS(p, m) access(p, m) #define CHMOD(f, p) chmod(f, p) #define FSTAT(h, b) fstat(h, b) #define PLIBC_KILL(p, s) kill(p, s) #define PIPE(h) pipe(h) #define REMOVE(p) remove(p) #define RENAME(o, n) rename(o, n) #define STAT(p, b) stat(p, b) #define STAT64(p, b) stat64(p, b) #define SYSCONF(n) sysconf(n) #define UNLINK(f) unlink(f) #define WRITE(f, b, n) write(f, b, n) #define READ(f, b, n) read(f, b, n) #define GN_FREAD(b, s, c, f) fread(b, s, c, f) #define GN_FWRITE(b, s, c, f) fwrite(b, s, c, f) #define SYMLINK(a, b) symlink(a, b) #define MMAP(s, l, p, f, d, o) mmap(s, l, p, f, d, o) #define MKFIFO(p, m) mkfifo(p, m) #define MSYNC(s, l, f) msync(s, l, f) #define MUNMAP(s, l) munmap(s, l) #define STRERROR(i) strerror(i) #define RANDOM() random() #define SRANDOM(s) srandom(s) #define READLINK(p, b, s) readlink(p, b, s) #define LSTAT(p, b) lstat(p, b) #define LSTAT64(p, b) lstat64(p, b) #define PRINTF printf #define FPRINTF fprintf #define VPRINTF(f, a) vprintf(f, a) #define VFPRINTF(s, f, a) vfprintf(s, f, a) #define VSPRINTF(d, f, a) vsprintf(d, f, a) #define VSNPRINTF(str, size, fmt, a) vsnprintf(str, size, fmt, a) #define _REAL_SNPRINTF snprintf #define SPRINTF sprintf #define VSSCANF(s, f, a) vsscanf(s, f, a) #define SSCANF sscanf #define VFSCANF(s, f, a) vfscanf(s, f, a) #define VSCANF(f, a) vscanf(f, a) #define SCANF scanf #define FSCANF fscanf #define WAITPID(p, s, o) waitpid(p, s, o) #define ACCEPT(s, a, l) accept(s, a, l) #define BIND(s, n, l) bind(s, n, l) #define CONNECT(s, n, l) connect(s, n, l) #define GETPEERNAME(s, n, l) getpeername(s, n, l) #define GETSOCKNAME(s, n, l) getsockname(s, n, l) #define GETSOCKOPT(s, l, o, v, p) getsockopt(s, l, o, v, p) #define LISTEN(s, b) listen(s, b) #define RECV(s, b, l, f) recv(s, b, l, f) #define RECVFROM(s, b, l, f, r, o) recvfrom(s, b, l, f, r, o) #define SELECT(n, r, w, e, t) select(n, r, w, e, t) #define SEND(s, b, l, f) send(s, b, l, f) #define SENDTO(s, b, l, f, o, n) sendto(s, b, l, f, o, n) #define SETSOCKOPT(s, l, o, v, n) setsockopt(s, l, o, v, n) #define SHUTDOWN(s, h) shutdown(s, h) #define SOCKET(a, t, p) socket(a, t, p) #define SOCKETPAIR(a, t, p, v) socketpair(a, t, p, v) #define GETHOSTBYADDR(a, l, t) gethostbyaddr(a, l, t) #define GETHOSTBYNAME(n) gethostbyname(n) #define GETTIMEOFDAY(t, n) gettimeofday(t, n) #define INSQUE(e, p) insque(e, p) #define REMQUE(e) remque(e) #define HSEARCH(i, a) hsearch(i, a) #define HCREATE(n) hcreate(n) #define HDESTROY() hdestroy() #define HSEARCH_R(i, a, r, h) hsearch_r(i, a, r, h) #define HCREATE_R(n, h) hcreate_r(n, h) #define HDESTROY_R(h) hdestroy_r(h) #define TSEARCH(k, r, c) tsearch(k, r, c) #define TFIND(k, r, c) tfind(k, r, c) #define TDELETE(k, r, c) tdelete(k, r, c) #define TWALK(r, a) twalk(r, a) #define TDESTROY(r, f) tdestroy(r, f) #define LFIND(k, b, n, s, c) lfind(k, b, n, s, c) #define LSEARCH(k, b, n, s, c) lsearch(k, b, n, s, c) #define STRUCT_STAT64 struct stat64 #else #define DIR_SEPARATOR '\\' #define DIR_SEPARATOR_STR "\\" #define PATH_SEPARATOR ';' #define PATH_SEPARATOR_STR ";" #define NEWLINE "\r\n" #ifdef ENABLE_NLS #define BINDTEXTDOMAIN(d, n) _win_bindtextdomain(d, n) #endif #define CREAT(p, m) _win_creat(p, m) #define PLIBC_CTIME(c) _win_ctime(c) #define CTIME_R(c, b) _win_ctime_r(c, b) #define FOPEN(f, m) _win_fopen(f, m) #define FCLOSE(f) _win_fclose(f) #define FTRUNCATE(f, l) _win_ftruncate(f, l) #define TRUNCATE(f, l) _win_truncate(f, l) #define OPENDIR(d) _win_opendir(d) #define CLOSEDIR(d) _win_closedir(d) #define READDIR(d) _win_readdir(d) #define OPEN _win_open #define CHDIR(d) _win_chdir(d) #define CLOSE(f) _win_close(f) #define PLIBC_KILL(p, s) _win_kill(p, s) #define LSEEK(f, o, w) lseek(f, o, w) #define FSTAT(h, b) _win_fstat(h, b) #define RMDIR(f) _win_rmdir(f) #define ACCESS(p, m) _win_access(p, m) #define CHMOD(f, p) _win_chmod(f, p) #define PIPE(h) _win_pipe(h) #define RANDOM() _win_random() #define SRANDOM(s) _win_srandom(s) #define REMOVE(p) _win_remove(p) #define RENAME(o, n) _win_rename(o, n) #define STAT(p, b) _win_stat(p, b) #define STAT64(p, b) _win_stati64(p, b) #define SYSCONF(n) _win_sysconf(n) #define UNLINK(f) _win_unlink(f) #define WRITE(f, b, n) _win_write(f, b, n) #define READ(f, b, n) _win_read(f, b, n) #define GN_FREAD(b, s, c, f) _win_fread(b, s, c, f) #define GN_FWRITE(b, s, c, f) _win_fwrite(b, s, c, f) #define SYMLINK(a, b) _win_symlink(a, b) #define MMAP(s, l, p, f, d, o) _win_mmap(s, l, p, f, d, o) #define MKFIFO(p, m) _win_mkfifo(p, m) #define MSYNC(s, l, f) _win_msync(s, l, f) #define MUNMAP(s, l) _win_munmap(s, l) #define STRERROR(i) _win_strerror(i) #define READLINK(p, b, s) _win_readlink(p, b, s) #define LSTAT(p, b) _win_lstat(p, b) #define LSTAT64(p, b) _win_lstati64(p, b) #define PRINTF printf #define FPRINTF fprintf #define VPRINTF(f, a) vprintf(f, a) #define VFPRINTF(s, f, a) vfprintf(s, f, a) #define VSPRINTF(d, f, a) vsprintf(d, f, a) #define VSNPRINTF(str, size, fmt, a) vsnprintf(str, size, fmt, a) #define _REAL_SNPRINTF snprintf #define SPRINTF sprintf #define VSSCANF(s, f, a) vsscanf(s, f, a) #define SSCANF sscanf #define VFSCANF(s, f, a) vfscanf(s, f, a) #define VSCANF(f, a) vscanf(f, a) #define SCANF scanf #define FSCANF fscanf #define WAITPID(p, s, o) _win_waitpid(p, s, o) #define ACCEPT(s, a, l) _win_accept(s, a, l) #define BIND(s, n, l) _win_bind(s, n, l) #define CONNECT(s, n, l) _win_connect(s, n, l) #define GETPEERNAME(s, n, l) _win_getpeername(s, n, l) #define GETSOCKNAME(s, n, l) _win_getsockname(s, n, l) #define GETSOCKOPT(s, l, o, v, p) _win_getsockopt(s, l, o, v, p) #define LISTEN(s, b) _win_listen(s, b) #define RECV(s, b, l, f) _win_recv(s, b, l, f) #define RECVFROM(s, b, l, f, r, o) _win_recvfrom(s, b, l, f, r, o) #define SELECT(n, r, w, e, t) _win_select(n, r, w, e, t) #define SEND(s, b, l, f) _win_send(s, b, l, f) #define SENDTO(s, b, l, f, o, n) _win_sendto(s, b, l, f, o, n) #define SETSOCKOPT(s, l, o, v, n) _win_setsockopt(s, l, o, v, n) #define SHUTDOWN(s, h) _win_shutdown(s, h) #define SOCKET(a, t, p) _win_socket(a, t, p) #define SOCKETPAIR(a, t, p, v) _win_socketpair(a, t, p, v) #define GETHOSTBYADDR(a, l, t) _win_gethostbyaddr(a, l, t) #define GETHOSTBYNAME(n) _win_gethostbyname(n) #define GETTIMEOFDAY(t, n) gettimeofday(t, n) #define INSQUE(e, p) _win_insque(e, p) #define REMQUE(e) _win_remque(e) #define HSEARCH(i, a) _win_hsearch(i, a) #define HCREATE(n) _win_hcreate(n) #define HDESTROY() _win_hdestroy() #define HSEARCH_R(i, a, r, h) _win_hsearch_r(i, a, r, h) #define HCREATE_R(n, h) _win_hcreate_r(n, h) #define HDESTROY_R(h) _win_hdestroy_r(h) #define TSEARCH(k, r, c) _win_tsearch(k, r, c) #define TFIND(k, r, c) _win_tfind(k, r, c) #define TDELETE(k, r, c) _win_tdelete(k, r, c) #define TWALK(r, a) _win_twalk(r, a) #define TDESTROY(r, f) _win_tdestroy(r, f) #define LFIND(k, b, n, s, c) _win_lfind(k, b, n, s, c) #define LSEARCH(k, b, n, s, c) _win_lsearch(k, b, n, s, c) #define STRUCT_STAT64 struct _stati64 #endif /* search.h */ /* Prototype structure for a linked-list data structure. This is the type used by the `insque' and `remque' functions. */ struct PLIBC_SEARCH_QELEM { struct qelem *q_forw; struct qelem *q_back; char q_data[1]; }; /* Insert ELEM into a doubly-linked list, after PREV. */ void _win_insque (void *__elem, void *__prev); /* Unlink ELEM from the doubly-linked list that it is in. */ void _win_remque (void *__elem); /* For use with hsearch(3). */ typedef int (*PLIBC_SEARCH__compar_fn_t) (__const void *, __const void *); typedef PLIBC_SEARCH__compar_fn_t _win_comparison_fn_t; /* Action which shall be performed in the call the hsearch. */ typedef enum { PLIBC_SEARCH_FIND, PLIBC_SEARCH_ENTER } PLIBC_SEARCH_ACTION; typedef struct PLIBC_SEARCH_entry { char *key; void *data; } PLIBC_SEARCH_ENTRY; /* The reentrant version has no static variables to maintain the state. Instead the interface of all functions is extended to take an argument which describes the current status. */ typedef struct _PLIBC_SEARCH_ENTRY { unsigned int used; PLIBC_SEARCH_ENTRY entry; } _PLIBC_SEARCH_ENTRY; /* Family of hash table handling functions. The functions also have reentrant counterparts ending with _r. The non-reentrant functions all work on a signle internal hashing table. */ /* Search for entry matching ITEM.key in internal hash table. If ACTION is `FIND' return found entry or signal error by returning NULL. If ACTION is `ENTER' replace existing data (if any) with ITEM.data. */ PLIBC_SEARCH_ENTRY *_win_hsearch (PLIBC_SEARCH_ENTRY __item, PLIBC_SEARCH_ACTION __action); /* Create a new hashing table which will at most contain NEL elements. */ int _win_hcreate (size_t __nel); /* Destroy current internal hashing table. */ void _win_hdestroy (void); /* Data type for reentrant functions. */ struct PLIBC_SEARCH_hsearch_data { struct _PLIBC_SEARCH_ENTRY *table; unsigned int size; unsigned int filled; }; /* Reentrant versions which can handle multiple hashing tables at the same time. */ int _win_hsearch_r (PLIBC_SEARCH_ENTRY __item, PLIBC_SEARCH_ACTION __action, PLIBC_SEARCH_ENTRY **__retval, struct PLIBC_SEARCH_hsearch_data *__htab); int _win_hcreate_r (size_t __nel, struct PLIBC_SEARCH_hsearch_data *__htab); void _win_hdestroy_r (struct PLIBC_SEARCH_hsearch_data *__htab); /* The tsearch routines are very interesting. They make many assumptions about the compiler. It assumes that the first field in node must be the "key" field, which points to the datum. Everything depends on that. */ /* For tsearch */ typedef enum { PLIBC_SEARCH_preorder, PLIBC_SEARCH_postorder, PLIBC_SEARCH_endorder, PLIBC_SEARCH_leaf } PLIBC_SEARCH_VISIT; /* Search for an entry matching the given KEY in the tree pointed to by *ROOTP and insert a new element if not found. */ void *_win_tsearch (__const void *__key, void **__rootp, PLIBC_SEARCH__compar_fn_t __compar); /* Search for an entry matching the given KEY in the tree pointed to by *ROOTP. If no matching entry is available return NULL. */ void *_win_tfind (__const void *__key, void *__const *__rootp, PLIBC_SEARCH__compar_fn_t __compar); /* Remove the element matching KEY from the tree pointed to by *ROOTP. */ void *_win_tdelete (__const void *__restrict __key, void **__restrict __rootp, PLIBC_SEARCH__compar_fn_t __compar); typedef void (*PLIBC_SEARCH__action_fn_t) (__const void *__nodep, PLIBC_SEARCH_VISIT __value, int __level); /* Walk through the whole tree and call the ACTION callback for every node or leaf. */ void _win_twalk (__const void *__root, PLIBC_SEARCH__action_fn_t __action); /* Callback type for function to free a tree node. If the keys are atomic data this function should do nothing. */ typedef void (*PLIBC_SEARCH__free_fn_t) (void *__nodep); /* Destroy the whole tree, call FREEFCT for each node or leaf. */ void _win_tdestroy (void *__root, PLIBC_SEARCH__free_fn_t __freefct); /* Perform linear search for KEY by comparing by COMPAR in an array [BASE,BASE+NMEMB*SIZE). */ void *_win_lfind (__const void *__key, __const void *__base, size_t *__nmemb, size_t __size, PLIBC_SEARCH__compar_fn_t __compar); /* Perform linear search for KEY by comparing by COMPAR function in array [BASE,BASE+NMEMB*SIZE) and insert entry if not found. */ void *_win_lsearch (__const void *__key, void *__base, size_t *__nmemb, size_t __size, PLIBC_SEARCH__compar_fn_t __compar); #ifdef __cplusplus } #endif #endif //_PLIBC_H_ /* end of plibc.h */ libmicrohttpd-0.9.33/src/include/microspdy.h0000644000175000017500000013164612213116407015777 00000000000000/* This file is part of libmicrospdy Copyright (C) 2012, 2013 Christian Grothoff This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** * @file microspdy.h * @brief public interface to libmicrospdy * @author Andrey Uzunov * @author Christian Grothoff * * All symbols defined in this header start with SPDY_. libmisrospdy is a small * SPDY daemon library. The application can start multiple daemons * and they are independent.

    * * The header file defines various constants used by the SPDY and the HTTP protocol. * This does not mean that the lib actually interprets all of these * values. Not everything is implemented. The provided constants are exported as a convenience * for users of the library. The lib does not verify that provided * HTTP headers and if their values conform to the SPDY protocol, * it only checks if the required headers for the SPDY requests and * responses are provided.

    * * The library uses just a single thread.

    * * Before including "microspdy.h" you should add the necessary * includes to define the types used in this file (which headers are needed may * depend on your platform; for possible suggestions consult * "platform.h" in the libmicrospdy distribution).

    * * All of the functions returning SPDY_YES/SPDY_NO return * SPDY_INPUT_ERROR when any of the parameters are invalid, e.g. * required parameter is NULL.

    * * The library does not check if anything at the application layer -- * requests and responses -- is correct. For example, it * is up to the user to check if a client is sending HTTP body but the * method is GET.

    * * The SPDY flow control is just partially implemented: the receiving * window is updated, and the client is notified, to prevent a client * from stop sending POST body data, for example. */ #ifndef SPDY_MICROSPDY_H #define SPDY_MICROSPDY_H #include #include /* While we generally would like users to use a configure-driven build process which detects which headers are present and hence works on any platform, we use "standard" includes here to build out-of-the-box for beginning users on common systems. Once you have a proper build system and go for more exotic platforms, you should define MHD_PLATFORM_H in some header that you always include *before* "microhttpd.h". Then the following "standard" includes won't be used (which might be a good idea, especially on platforms where they do not exist). */ #ifndef MHD_PLATFORM_H #include #include #include #ifdef __MINGW32__ #include #else #include #include #include #endif #endif /** * return code for "YES". */ #define SPDY_YES 1 /** * return code for "NO". */ #define SPDY_NO 0 /** * return code for error when input parameters are wrong. To be returned * only by functions which return int. The others will return NULL on * input error. */ #define SPDY_INPUT_ERROR -1 /** * SPDY version supported by the lib. */ #define SPDY_VERSION 3 /** * The maximum allowed size (without 8 byte headers) of * SPDY frames (value length) is 8192. The lib will accept and * send frames with length at most this value here. */ #define SPDY_MAX_SUPPORTED_FRAME_SIZE 8192 /** * HTTP response codes. */ #define SPDY_HTTP_CONTINUE 100 #define SPDY_HTTP_SWITCHING_PROTOCOLS 101 #define SPDY_HTTP_PROCESSING 102 #define SPDY_HTTP_OK 200 #define SPDY_HTTP_CREATED 201 #define SPDY_HTTP_ACCEPTED 202 #define SPDY_HTTP_NON_AUTHORITATIVE_INFORMATION 203 #define SPDY_HTTP_NO_CONTENT 204 #define SPDY_HTTP_RESET_CONTENT 205 #define SPDY_HTTP_PARTIAL_CONTENT 206 #define SPDY_HTTP_MULTI_STATUS 207 #define SPDY_HTTP_MULTIPLE_CHOICES 300 #define SPDY_HTTP_MOVED_PERMANENTLY 301 #define SPDY_HTTP_FOUND 302 #define SPDY_HTTP_SEE_OTHER 303 #define SPDY_HTTP_NOT_MODIFIED 304 #define SPDY_HTTP_USE_PROXY 305 #define SPDY_HTTP_SWITCH_PROXY 306 #define SPDY_HTTP_TEMPORARY_REDIRECT 307 #define SPDY_HTTP_BAD_REQUEST 400 #define SPDY_HTTP_UNAUTHORIZED 401 #define SPDY_HTTP_PAYMENT_REQUIRED 402 #define SPDY_HTTP_FORBIDDEN 403 #define SPDY_HTTP_NOT_FOUND 404 #define SPDY_HTTP_METHOD_NOT_ALLOWED 405 #define SPDY_HTTP_METHOD_NOT_ACCEPTABLE 406 #define SPDY_HTTP_PROXY_AUTHENTICATION_REQUIRED 407 #define SPDY_HTTP_REQUEST_TIMEOUT 408 #define SPDY_HTTP_CONFLICT 409 #define SPDY_HTTP_GONE 410 #define SPDY_HTTP_LENGTH_REQUIRED 411 #define SPDY_HTTP_PRECONDITION_FAILED 412 #define SPDY_HTTP_REQUEST_ENTITY_TOO_LARGE 413 #define SPDY_HTTP_REQUEST_URI_TOO_LONG 414 #define SPDY_HTTP_UNSUPPORTED_MEDIA_TYPE 415 #define SPDY_HTTP_REQUESTED_RANGE_NOT_SATISFIABLE 416 #define SPDY_HTTP_EXPECTATION_FAILED 417 #define SPDY_HTTP_UNPROCESSABLE_ENTITY 422 #define SPDY_HTTP_LOCKED 423 #define SPDY_HTTP_FAILED_DEPENDENCY 424 #define SPDY_HTTP_UNORDERED_COLLECTION 425 #define SPDY_HTTP_UPGRADE_REQUIRED 426 #define SPDY_HTTP_NO_RESPONSE 444 #define SPDY_HTTP_RETRY_WITH 449 #define SPDY_HTTP_BLOCKED_BY_WINDOWS_PARENTAL_CONTROLS 450 #define SPDY_HTTP_UNAVAILABLE_FOR_LEGAL_REASONS 451 #define SPDY_HTTP_INTERNAL_SERVER_ERROR 500 #define SPDY_HTTP_NOT_IMPLEMENTED 501 #define SPDY_HTTP_BAD_GATEWAY 502 #define SPDY_HTTP_SERVICE_UNAVAILABLE 503 #define SPDY_HTTP_GATEWAY_TIMEOUT 504 #define SPDY_HTTP_HTTP_VERSION_NOT_SUPPORTED 505 #define SPDY_HTTP_VARIANT_ALSO_NEGOTIATES 506 #define SPDY_HTTP_INSUFFICIENT_STORAGE 507 #define SPDY_HTTP_BANDWIDTH_LIMIT_EXCEEDED 509 #define SPDY_HTTP_NOT_EXTENDED 510 /** * HTTP headers are used in SPDY, but all of them MUST be lowercase. * Some are not valid in SPDY and MUST not be used */ #define SPDY_HTTP_HEADER_ACCEPT "accept" #define SPDY_HTTP_HEADER_ACCEPT_CHARSET "accept-charset" #define SPDY_HTTP_HEADER_ACCEPT_ENCODING "accept-encoding" #define SPDY_HTTP_HEADER_ACCEPT_LANGUAGE "accept-language" #define SPDY_HTTP_HEADER_ACCEPT_RANGES "accept-ranges" #define SPDY_HTTP_HEADER_AGE "age" #define SPDY_HTTP_HEADER_ALLOW "allow" #define SPDY_HTTP_HEADER_AUTHORIZATION "authorization" #define SPDY_HTTP_HEADER_CACHE_CONTROL "cache-control" /* Connection header is forbidden in SPDY */ #define SPDY_HTTP_HEADER_CONNECTION "connection" #define SPDY_HTTP_HEADER_CONTENT_ENCODING "content-encoding" #define SPDY_HTTP_HEADER_CONTENT_LANGUAGE "content-language" #define SPDY_HTTP_HEADER_CONTENT_LENGTH "content-length" #define SPDY_HTTP_HEADER_CONTENT_LOCATION "content-location" #define SPDY_HTTP_HEADER_CONTENT_MD5 "content-md5" #define SPDY_HTTP_HEADER_CONTENT_RANGE "content-range" #define SPDY_HTTP_HEADER_CONTENT_TYPE "content-type" #define SPDY_HTTP_HEADER_COOKIE "cookie" #define SPDY_HTTP_HEADER_DATE "date" #define SPDY_HTTP_HEADER_ETAG "etag" #define SPDY_HTTP_HEADER_EXPECT "expect" #define SPDY_HTTP_HEADER_EXPIRES "expires" #define SPDY_HTTP_HEADER_FROM "from" /* Host header is forbidden in SPDY */ #define SPDY_HTTP_HEADER_HOST "host" #define SPDY_HTTP_HEADER_IF_MATCH "if-match" #define SPDY_HTTP_HEADER_IF_MODIFIED_SINCE "if-modified-since" #define SPDY_HTTP_HEADER_IF_NONE_MATCH "if-none-match" #define SPDY_HTTP_HEADER_IF_RANGE "if-range" #define SPDY_HTTP_HEADER_IF_UNMODIFIED_SINCE "if-unmodified-since" /* Keep-Alive header is forbidden in SPDY */ #define SPDY_HTTP_HEADER_KEEP_ALIVE "keep-alive" #define SPDY_HTTP_HEADER_LAST_MODIFIED "last-modified" #define SPDY_HTTP_HEADER_LOCATION "location" #define SPDY_HTTP_HEADER_MAX_FORWARDS "max-forwards" #define SPDY_HTTP_HEADER_PRAGMA "pragma" #define SPDY_HTTP_HEADER_PROXY_AUTHENTICATE "proxy-authenticate" #define SPDY_HTTP_HEADER_PROXY_AUTHORIZATION "proxy-authorization" /* Proxy-Connection header is forbidden in SPDY */ #define SPDY_HTTP_HEADER_PROXY_CONNECTION "proxy-connection" #define SPDY_HTTP_HEADER_RANGE "range" #define SPDY_HTTP_HEADER_REFERER "referer" #define SPDY_HTTP_HEADER_RETRY_AFTER "retry-after" #define SPDY_HTTP_HEADER_SERVER "server" #define SPDY_HTTP_HEADER_SET_COOKIE "set-cookie" #define SPDY_HTTP_HEADER_SET_COOKIE2 "set-cookie2" #define SPDY_HTTP_HEADER_TE "te" #define SPDY_HTTP_HEADER_TRAILER "trailer" /* Transfer-Encoding header is forbidden in SPDY */ #define SPDY_HTTP_HEADER_TRANSFER_ENCODING "transfer-encoding" #define SPDY_HTTP_HEADER_UPGRADE "upgrade" #define SPDY_HTTP_HEADER_USER_AGENT "user-agent" #define SPDY_HTTP_HEADER_VARY "vary" #define SPDY_HTTP_HEADER_VIA "via" #define SPDY_HTTP_HEADER_WARNING "warning" #define SPDY_HTTP_HEADER_WWW_AUTHENTICATE "www-authenticate" /** * HTTP versions (a value must be provided in SPDY requests/responses). */ #define SPDY_HTTP_VERSION_1_0 "HTTP/1.0" #define SPDY_HTTP_VERSION_1_1 "HTTP/1.1" /** * HTTP methods */ #define SPDY_HTTP_METHOD_CONNECT "CONNECT" #define SPDY_HTTP_METHOD_DELETE "DELETE" #define SPDY_HTTP_METHOD_GET "GET" #define SPDY_HTTP_METHOD_HEAD "HEAD" #define SPDY_HTTP_METHOD_OPTIONS "OPTIONS" #define SPDY_HTTP_METHOD_POST "POST" #define SPDY_HTTP_METHOD_PUT "PUT" #define SPDY_HTTP_METHOD_TRACE "TRACE" /** * HTTP POST encodings, see also * http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4 */ #define SPDY_HTTP_POST_ENCODING_FORM_URLENCODED "application/x-www-form-urlencoded" #define SPDY_HTTP_POST_ENCODING_MULTIPART_FORMDATA "multipart/form-data" /** * Handle for the daemon (listening on a socket). */ struct SPDY_Daemon; /** * Handle for a SPDY session/connection. */ struct SPDY_Session; /** * Handle for a SPDY request sent by a client. The structure has pointer * to the session's handler */ struct SPDY_Request; /** * Handle for a response containing HTTP headers and data to be sent. * The structure has pointer to the session's handler * for this response. */ struct SPDY_Response; /** * Collection of tuples of an HTTP header and values used in requests * and responses. */ struct SPDY_NameValue; /** * Collection of tuples of a SPDY setting ID, value * and flags used to control the sessions. */ struct SPDY_Settings; /** * SPDY IO sybsystem flags used by SPDY_init() and SPDY_deinit().

    * * The values are used internally as flags, that is why they must be * powers of 2. */ enum SPDY_IO_SUBSYSTEM { /** * No subsystem. For internal use. */ SPDY_IO_SUBSYSTEM_NONE = 0, /** * Default TLS implementation provided by openSSL/libssl. */ SPDY_IO_SUBSYSTEM_OPENSSL = 1, /** * No TLS is used. */ SPDY_IO_SUBSYSTEM_RAW = 2, }; /** * SPDY daemon options. Passed in the varargs portion of * SPDY_start_daemon to customize the daemon. Each option must * be followed by a value of a specific type.

    * * The values are used internally as flags, that is why they must be * powers of 2. */ enum SPDY_DAEMON_OPTION { /** * No more options / last option. This is used * to terminate the VARARGs list. */ SPDY_DAEMON_OPTION_END = 0, /** * Set a custom timeout for all connections. Must be followed by * a number of seconds, given as an 'unsigned int'. Use * zero for no timeout. */ SPDY_DAEMON_OPTION_SESSION_TIMEOUT = 1, /** * Bind daemon to the supplied sockaddr. This option must be * followed by a 'struct sockaddr *'. The 'struct sockaddr*' * should point to a 'struct sockaddr_in6' or to a * 'struct sockaddr_in'. */ SPDY_DAEMON_OPTION_SOCK_ADDR = 2, /** * Flags for the daemon. Must be followed by a SPDY_DAEMON_FLAG value * which is the result of bitwise OR of desired flags. */ SPDY_DAEMON_OPTION_FLAGS = 4, /** * IO subsystem type used by daemon and all its sessions. If not set, * TLS provided by openssl is used. Must be followed by a * SPDY_IO_SUBSYSTEM value. */ SPDY_DAEMON_OPTION_IO_SUBSYSTEM = 8, /** * Maximum number of frames to be written to the socket at once. The * library tries to send max_num_frames in a single call to SPDY_run * for a single session. This means no requests can be received nor * other sessions can send data as long the current one has enough * frames to send and there is no error on writing. Thus, a big value * will affect the performance. Small value gives fairnes for sessions. * Must be followed by a positive integer (uin32_t). If not set, the * default value 10 will be used. */ SPDY_DAEMON_OPTION_MAX_NUM_FRAMES = 16, }; /** * Flags for starting SPDY daemon. They are used to set some settings * for the daemon, which do not require values. */ enum SPDY_DAEMON_FLAG { /** * No flags selected. */ SPDY_DAEMON_FLAG_NO = 0, /** * The server will bind only on IPv6 addresses. If the flag is set and * the daemon is provided with IPv4 address or IPv6 is not supported, * starting daemon will fail. */ SPDY_DAEMON_FLAG_ONLY_IPV6 = 1, /** * All sessions' sockets will be set with TCP_NODELAY if the flag is * used. Option considered only by SPDY_IO_SUBSYSTEM_RAW. */ SPDY_DAEMON_FLAG_NO_DELAY = 2, }; /** * SPDY settings IDs sent by both client and server in SPDY SETTINGS frame. * They affect the whole SPDY session. Defined in SPDY Protocol - Draft 3. */ enum SPDY_SETTINGS { /** * Allows the sender to send its expected upload bandwidth on this * channel. This number is an estimate. The value should be the * integral number of kilobytes per second that the sender predicts * as an expected maximum upload channel capacity. */ SPDY_SETTINGS_UPLOAD_BANDWIDTH = 1, /** * Allows the sender to send its expected download bandwidth on this * channel. This number is an estimate. The value should be the * integral number of kilobytes per second that the sender predicts as * an expected maximum download channel capacity. */ SPDY_SETTINGS_DOWNLOAD_BANDWIDTH = 2, /** * Allows the sender to send its expected round-trip-time on this * channel. The round trip time is defined as the minimum amount of * time to send a control frame from this client to the remote and * receive a response. The value is represented in milliseconds. */ SPDY_SETTINGS_ROUND_TRIP_TIME = 3, /** * Allows the sender to inform the remote endpoint the maximum number * of concurrent streams which it will allow. By default there is no * limit. For implementors it is recommended that this value be no * smaller than 100. */ SPDY_SETTINGS_MAX_CONCURRENT_STREAMS = 4, /** * Allows the sender to inform the remote endpoint of the current TCP * CWND value. */ SPDY_SETTINGS_CURRENT_CWND = 5, /** * Allows the sender to inform the remote endpoint the retransmission * rate (bytes retransmitted / total bytes transmitted). */ SPDY_SETTINGS_DOWNLOAD_RETRANS_RATE = 6, /** * Allows the sender to inform the remote endpoint the initial window * size (in bytes) for new streams. */ SPDY_SETTINGS_INITIAL_WINDOW_SIZE = 7, /** * Allows the server to inform the client if the new size of the * client certificate vector. */ SPDY_SETTINGS_CLIENT_CERTIFICATE_VECTOR_SIZE = 8, }; /** * Flags for each individual SPDY setting in the SPDY SETTINGS frame. * They affect only one setting to which they are set. * Defined in SPDY Protocol - Draft 3. */ enum SPDY_FLAG_SETTINGS{ /** * When set, the sender of this SETTINGS frame is requesting that the * recipient persist the ID/Value and return it in future SETTINGS * frames sent from the sender to this recipient. Because persistence * is only implemented on the client, this flag is only sent by the * server. */ SPDY_FLAG_SETTINGS_PERSIST_VALUE = 1, /** * When set, the sender is notifying the recipient that this ID/Value * pair was previously sent to the sender by the recipient with the * SPDY_FLAG_SETTINGS_PERSIST_VALUE, and the sender is returning it. * Because persistence is only implemented on the client, this flag is * only sent by the client. */ SPDY_FLAG_SETTINGS_PERSISTED = 2, }; /** * Flag associated with a whole SPDY SETTINGS frame. Affect all the * settings in the frame. Defined in SPDY Protocol - Draft 3. */ enum SPDY_FLAG_SETTINGS_FRAME { /** * When set, the client should clear any previously persisted SETTINGS * ID/Value pairs. If this frame contains ID/Value pairs with the * SPDY_FLAG_SETTINGS_PERSIST_VALUE set, then the client will first * clear its existing, persisted settings, and then persist the values * with the flag set which are contained within this frame. Because * persistence is only implemented on the client, this flag can only * be used when the sender is the server. */ SPDY_FLAG_SETTINGS_CLEAR_SETTINGS = 1, }; /** * SPDY settings function options. Passed in the varargs portion of * SPDY_SettingsReceivedCallback and SPDY_send_settings to customize * more the settings handling. Each option must * be followed by a value of a specific type.

    * * The values are used internally as flags, that is why they must be * powers of 2. */ enum SPDY_SETTINGS_OPTION { /** * No more options / last option. This is used * to terminate the VARARGs list. */ SPDY_SETTINGS_OPTION_END = 0, }; /** * Used as a parameter for SPDY_ResponseResultCallback and shows if the * response was actually written to the TLS socket or discarded by the * lib for any reason (and respectively the reason). */ enum SPDY_RESPONSE_RESULT { /** * The lib has written the full response to the TLS socket. */ SPDY_RESPONSE_RESULT_SUCCESS = 0, /** * The session is being closed, so the data is being discarded */ SPDY_RESPONSE_RESULT_SESSION_CLOSED = 1, /** * The stream for this response has been closed. May happen when the * sender had sent first SYN_STREAM and after that RST_STREAM. */ SPDY_RESPONSE_RESULT_STREAM_CLOSED = 2, }; /** * Callback for serious error condition. The default action is to print * an error message and abort(). * * @param cls user specified value * @param file where the error occured * @param line where the error occured * @param reason error details message, may be NULL */ typedef void (*SPDY_PanicCallback) (void * cls, const char * file, unsigned int line, const char * reason); /** * Callback for new SPDY session established by a client. Called * immediately after the TCP connection was established. * * @param cls client-defined closure * @param session handler for the new SPDY session */ typedef void (*SPDY_NewSessionCallback) (void * cls, struct SPDY_Session * session); /** * Callback for closed session. Called after the TCP connection was * closed. In this callback function the user has the last * chance to access the SPDY_Session structure. After that the latter * will be cleaned! * * @param cls client-defined closure * @param session handler for the closed SPDY session * @param by_client SPDY_YES if the session close was initiated by the * client; * SPDY_NO if closed by the server */ typedef void (*SPDY_SessionClosedCallback) (void * cls, struct SPDY_Session * session, int by_client); /** * Iterator over name-value pairs. * * @param cls client-defined closure * @param name of the pair * @param value of the pair * @return SPDY_YES to continue iterating, * SPDY_NO to abort the iteration */ typedef int (*SPDY_NameValueIterator) (void * cls, const char * name, const char * const * value, int num_values); /** * Callback for received SPDY request. The functions is called whenever * a reqest comes, but will also be called if more headers/trailers are * received. * * @param cls client-defined closure * @param request handler. The request object is required for * sending responses. * @param priority of the SPDY stream which the request was * sent over * @param method HTTP method * @param path HTTP path * @param version HTTP version just like in HTTP request/response: * "HTTP/1.0" or "HTTP/1.1" currently * @param host called host as in HTTP * @param scheme used ("http" or "https"). In SPDY 3 it is only "https". * @param headers other HTTP headers from the request * @param more a flag saying if more data related to the request is * expected to be received. HTTP body may arrive (e.g. POST data); * then SPDY_NewDataCallback will be called for the connection. * It is also possible that more headers/trailers arrive; * then the same callback will be invoked. The user should detect * that it is not the first invocation of the function for that * request. */ typedef void (*SPDY_NewRequestCallback) (void * cls, struct SPDY_Request * request, uint8_t priority, const char * method, const char * path, const char * version, const char * host, const char * scheme, struct SPDY_NameValue * headers, bool more); /** * Callback for received new data chunk (HTTP body) from a given * request (e.g. POST data). * * @param cls client-defined closure * @param request handler * @param buf data chunk from the POST data * @param size the size of the data chunk 'buf' in bytes. Note that it * may be 0. * @param more false if this is the last chunk from the data. Note: * true does not mean that more data will come, exceptional * situation is possible * @return SPDY_YES to continue calling the function, * SPDY_NO to stop calling the function for this request */ typedef int (*SPDY_NewDataCallback) (void * cls, struct SPDY_Request *request, const void * buf, size_t size, bool more); // How about passing POST encoding information // here as well? //TODO /** * Callback to be used with SPDY_build_response_with_callback. The * callback will be called when the lib wants to write to the TLS socket. * The application should provide the data to be sent. * * @param cls client-defined closure * @param max maximum number of bytes that are allowed to be written * to the buffer. * @param more true if more data will be sent (i.e. the function must * be calleed again), * false if this is the last chunk, the lib will close * the stream * @return number of bytes written to buffer. On error the call MUST * return value less than 0 to indicate the library. */ typedef ssize_t (*SPDY_ResponseCallback) (void * cls, void * buffer, size_t max, bool * more); /** * Callback to be called when the last bytes from the response was sent * to the client or when the response was discarded from the lib. This * callback is a very good place to discard the request and the response * objects, if they will not be reused (e.g., sending the same response * again). If the stream is closed it is safe to discard the request * object. * * @param cls client-defined closure * @param response handler to the response that was just sent * @param request handler to the request for which the response was sent * @param status shows if actually the response was sent or it was * discarded by the lib for any reason (e.g., closing session, * closing stream, stopping daemon, etc.). It is possible that * status indicates an error but parts of the response headers * and/or body (in one * or several frames) were already sent to the client. * @param streamopened indicates if the the stream for this request/ * response pair is still opened. If yes, the server may want * to use SPDY push to send something additional to the client * and/or close the stream. */ typedef void (*SPDY_ResponseResultCallback) (void * cls, struct SPDY_Response * response, struct SPDY_Request * request, enum SPDY_RESPONSE_RESULT status, bool streamopened); /** * Callback to notify when SPDY ping response is received. * * @param session handler for which the ping request was sent * @param rtt the timespan between sending ping request and receiving it * from the library */ typedef void (*SPDY_PingCallback) (void * cls, struct SPDY_Session * session, struct timeval * rtt); /** * Iterator over settings ID/Value/Flags tuples. * * @param cls client-defined closure * @param id SPDY settings ID * @param value value for this setting * @param flags flags for this tuple; use * enum SPDY_FLAG_SETTINGS * @return SPDY_YES to continue iterating, * SPDY_NO to abort the iteration */ typedef int (*SPDY_SettingsIterator) (void * cls, enum SPDY_SETTINGS id, int32_t value, uint8_t flags); /** * Callback to notify when SPDY SETTINGS are received from the client. * * @param session handler for which settings are received * @param settings ID/value/flags tuples of the settings * @param flags for the whole settings frame; use * enum SPDY_FLAG_SETTINGS_FRAME * @param ... list of options (type-value pairs, * terminated with SPDY_SETTINGS_OPTION_END). */ typedef void (*SPDY_SettingsReceivedCallback) (struct SPDY_Session * session, struct SPDY_Settings * settings, uint8_t flags, ...); /* Global functions for the library */ /** * Init function for the whole library. It MUST be called before any * other function of the library to initialize things like TLS context * and possibly other stuff needed by the lib. Currently the call * always returns SPDY_YES. * * @param io_subsystem the IO subsystem that will * be initialized. Several can be used with bitwise OR. If no * parameter is set, the default openssl subsystem will be used. * @return SPDY_YES if the library was correctly initialized and its * functions can be used now; * SPDY_NO on error */ int (SPDY_init) (enum SPDY_IO_SUBSYSTEM io_subsystem, ...); #define SPDY_init() SPDY_init(SPDY_IO_SUBSYSTEM_OPENSSL) /** * Deinit function for the whole lib. It can be called after finishing * using the library. It frees and cleans up resources allocated in * SPDY_init. Currently the function does not do anything. */ void SPDY_deinit (); /** * Sets the global error handler to a different implementation. "cb" * will only be called in the case of typically fatal, serious * internal consistency issues. These issues should only arise in the * case of serious memory corruption or similar problems with the * architecture as well as failed assertions. While "cb" is allowed to * return and the lib will then try to continue, this is never safe. * * The default implementation that is used if no panic function is set * simply prints an error message and calls "abort". Alternative * implementations might call "exit" or other similar functions. * * @param cb new error handler * @param cls passed to error handler */ void SPDY_set_panic_func (SPDY_PanicCallback cb, void *cls); /* Daemon functions */ /** * Start a SPDY webserver on the given port. * * @param port to bind to. The value is ignored if address structure * is passed as daemon option * @param certfile path to the certificate that will be used by server * @param keyfile path to the keyfile for the certificate * @param nscb callback called when a new SPDY session is * established by a client * @param sccb callback called when a session is closed * @param nrcb callback called when a client sends request * @param npdcb callback called when HTTP body (POST data) is received * after request * @param cls common extra argument to all of the callbacks * @param ... list of options (type-value pairs, * terminated with SPDY_DAEMON_OPTION_END). * @return NULL on error, handle to daemon on success */ struct SPDY_Daemon * SPDY_start_daemon (uint16_t port, const char * certfile, const char * keyfile, SPDY_NewSessionCallback nscb, SPDY_SessionClosedCallback sccb, SPDY_NewRequestCallback nrcb, SPDY_NewDataCallback npdcb, void * cls, ...); /** * Shutdown the daemon. First all sessions are closed. It is NOT safe * to call this function in user callbacks. * * @param daemon to stop */ void SPDY_stop_daemon (struct SPDY_Daemon *daemon); /** * Obtain the select sets for this daemon. Only those are retrieved, * which some processing should be done for, i.e. not all sockets are * added to write_fd_set.

    * * It is possible that there is * nothing to be read from a socket but there is data either in the * TLS subsystem's read buffers or in libmicrospdy's read buffers, which * waits for being processed. In such case the file descriptor will be * added to write_fd_set. Since it is very likely for the socket to be * ready for writing, the select used in the application's event loop * will return with success, SPDY_run will be called, the data will be * processed and maybe something will be written to the socket. Without * this behaviour, considering a proper event loop, data may stay in the * buffers, but run is never called. * * @param daemon to get sets from * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set * @return largest FD added to any of the sets */ int SPDY_get_fdset (struct SPDY_Daemon * daemon, fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set); /** * Obtain timeout value for select for this daemon. The returned value * is how long select * should at most block, not the timeout value set for connections. * * @param daemon to query for timeout * @param timeout will be set to the timeout value (in milliseconds) * @return SPDY_YES on success * SPDY_NO if no connections exist that * would necessiate the use of a timeout right now */ int SPDY_get_timeout (struct SPDY_Daemon * daemon, unsigned long long * timeout); /** * Run webserver operations. This method must be called in * the client event loop. * * @param daemon to run */ void SPDY_run (struct SPDY_Daemon *daemon); /* SPDY Session handling functions */ /** * Closes a SPDY session. SPDY clients and servers are expected to keep * sessions opened as long as possible. However, the server may want to * close some connections, e.g. if there are too many, to free some * resources. The function can also be used to close a specific session * if the client is not desired. * * @param session handler to be closed */ void SPDY_close_session(struct SPDY_Session * session); /** * Associate a void pointer with a session. The data accessible by the * pointer can later be used wherever the session handler is available. * * @param session handler * @param cls any data pointed by a pointer to be accessible later */ void SPDY_set_cls_to_session(struct SPDY_Session * session, void * cls); /** * Retrieves the pointer associated with SPDY_set_cls_to_session(). * * @param session handler to get its cls * @return same pointer added by SPDY_set_cls_to_session() or * NULL when nothing was associated */ void * SPDY_get_cls_from_session(struct SPDY_Session * session); /** * Retrieves the remote address of a given session. * * @param session handler to get its remote address * @param addr out parameter; pointing to remote address * @return length of the address structure */ socklen_t SPDY_get_remote_addr(struct SPDY_Session * session, struct sockaddr ** addr); /* SPDY name/value data structure handling functions */ /** * Create a new NameValue structure. It is needed for putting inside the * HTTP headers and their values for a response. The user should later * destroy alone the structure. * * @return hendler to the new empty structure or NULL on error */ struct SPDY_NameValue * SPDY_name_value_create (); /** * Add name/value pair to a NameValue structure. SPDY_NO will be returned * if the name/value pair is already in the structure. It is legal to * add different values for the same name. * * @param container structure to which the new pair is added * @param name for the value. Null-terminated string. * @param value the value itself. Null-terminated string. * @return SPDY_NO on error or SPDY_YES on success */ int SPDY_name_value_add (struct SPDY_NameValue * container, const char * name, const char * value); /** * Lookup value for a name in a name/value structure. * * @param container structure in which to lookup * @param name the name to look for * @param num_values length of the returned array with values * @return NULL if no such item was found, or an array containing the * values */ const char * const * SPDY_name_value_lookup (struct SPDY_NameValue *container, const char *name, int * num_values); /** * Iterate over name/value structure. * * @param container structure which to iterate over * @param iterator callback to call on each name/value pair; * maybe NULL (then just count headers) * @param iterator_cls extra argument to iterator * @return number of entries iterated over */ int SPDY_name_value_iterate (struct SPDY_NameValue *container, SPDY_NameValueIterator iterator, void *iterator_cls); /** * Destroy a NameValue structure. Use this function to destroy only * objects which, after passed to, will not be destroied by other * functions. * */ void SPDY_name_value_destroy (struct SPDY_NameValue * container); /* SPDY request handling functions */ /** * Gets the session responsible for the given * request. * * @param request for which the session is wanted * @return session handler for the request */ struct SPDY_Session * SPDY_get_session_for_request(const struct SPDY_Request * request); /** * Associate a void pointer with a request. The data accessible by the * pointer can later be used wherever the request handler is available. * * @param request with which to associate a pointer * @param cls any data pointed by a pointer to be accessible later */ void SPDY_set_cls_to_request(struct SPDY_Request * request, void * cls); /** * Retrieves the pointer associated with the request by * SPDY_set_cls_to_request(). * * @param request to get its cls * @return same pointer added by SPDY_set_cls_to_request() or * NULL when nothing was associated */ void * SPDY_get_cls_from_request(struct SPDY_Request * request); /* SPDY response handling functions */ /** * Create response object containing all needed headers and data. The * response object is not bound to a request, so it can be used multiple * times with SPDY_queue_response() and schould be * destroied by calling the SPDY_destroy_response().

    * * Currently the library does not provide compression of the body data. * It is up to the user to pass already compressed data and the * appropriate headers to this function when desired. * * @param status HTTP status code for the response (e.g. 404) * @param statustext HTTP status message for the response, which will * be appended to the status code (e.g. "OK"). Can be NULL * @param version HTTP version for the response (e.g. "http/1.1") * @param headers name/value structure containing additional HTTP headers. * Can be NULL. Can be used multiple times, it is up to * the user to destoy the object when not needed anymore. * @param data the body of the response. The lib will make a copy of it, * so it is up to the user to take care of the memory * pointed by data * @param size length of data. It can be 0, then the lib will send only * headers * @return NULL on error, handle to response object on success */ struct SPDY_Response * SPDY_build_response(int status, const char * statustext, const char * version, struct SPDY_NameValue * headers, const void * data, size_t size); /** * Create response object containing all needed headers. The data will * be provided later when the lib calls the callback function (just * before writing it to the TLS socket). The * response object is not bound to a request, so it can be used multiple * times with SPDY_queue_response() and schould be * destroied by calling the SPDY_destroy_response().

    * * Currently the library does not provide compression of the body data. * It is up to the user to pass already compressed data and the * appropriate headers to this function and the callback when desired. * * @param status HTTP status code for the response (e.g. 404) * @param statustext HTTP status message for the response, which will * be appended to the status code (e.g. "OK"). Can be NULL * @param version HTTP version for the response (e.g. "http/1.1") * @param headers name/value structure containing additional HTTP headers. * Can be NULL. Can be used multiple times, it is up to * the user to destoy the object when not needed anymore. * @param rcb callback to use to obtain response data * @param rcb_cls extra argument to rcb * @param block_size preferred block size for querying rcb (advisory only, * the lib will call rcb specifying the block size); clients * should pick a value that is appropriate for IO and * memory performance requirements. The function will * fail if the value is bigger than the maximum * supported value (SPDY_MAX_SUPPORTED_FRAME_SIZE). * Can be 0, then the lib will use * SPDY_MAX_SUPPORTED_FRAME_SIZE instead. * @return NULL on error, handle to response object on success */ struct SPDY_Response * SPDY_build_response_with_callback(int status, const char * statustext, const char * version, struct SPDY_NameValue * headers, SPDY_ResponseCallback rcb, void *rcb_cls, uint32_t block_size); /** * Queue response object to be sent to the client. A successfully queued * response may never be sent, e.g. when the stream gets closed. The * data will be added to the output queue. The call will fail, if the * output for this session * is closed (i.e. the session is closed, half or full) or the output * channel for the stream, on which the request was received, is closed * (i.e. the stream is closed, half or full). * * @param request object identifying the request to which the * response is returned * @param response object containg headers and data to be sent * @param closestream TRUE if the server does NOT intend to PUSH * something more associated to this request/response later, * FALSE otherwise * @param consider_priority if FALSE, the response will be added to the * end of the queue. If TRUE, the response will be added after * the last previously added response with priority of the * request grater or equal to that of the current one. This * means that the function should be called with TRUE each time * if one wants to be sure that the output queue behaves like * a priority queue * @param rrcb callback called when all the data was sent (last frame * from response) or when that frame was discarded (e.g. the * stream has been closed meanwhile) * @param rrcb_cls extra argument to rcb * @return SPDY_NO on error or SPDY_YES on success */ int SPDY_queue_response (struct SPDY_Request * request, struct SPDY_Response *response, bool closestream, bool consider_priority, SPDY_ResponseResultCallback rrcb, void * rrcb_cls); /** * Destroy a response structure. It should be called for all objects * returned by SPDY_build_response*() functions to free the memory * associated with the prepared response. It is safe to call this * function not before being sure that the response will not be used by * the lib anymore, this means after SPDY_ResponseResultCallback * callbacks were called for all calls to SPDY_queue_response() passing * this response. * * @param response to destroy */ void SPDY_destroy_response (struct SPDY_Response *response); /* SPDY settings ID/value data structure handling functions */ /** * Create a new SettingsIDValue structure. It is needed for putting * inside tuples of SPDY option, flags and value for sending to the * client. * * @return hendler to the new empty structure or NULL on error */ const struct SPDY_Settings * SPDY_settings_create (); /** * Add or update a tuple to a SettingsIDValue structure. * * @param container structure to which the new tuple is added * @param id SPDY settings ID that will be sent. If this ID already in * container, the tupple for it will be updated (value and/or * flags). If it is not in the container, a new tupple will be * added. * @param flags SPDY settings flags applied only to this setting * @param value of the setting * @return SPDY_NO on error * or SPDY_YES if a new setting was added */ int SPDY_settings_add (struct SPDY_Settings *container, enum SPDY_SETTINGS id, enum SPDY_FLAG_SETTINGS flags, int32_t value); /** * Lookup value and flags for an ID in a settings ID/value structure. * * @param container structure in which to lookup * @param id SPDY settings ID to search for * @param flags out param for SPDY settings flags for this setting; * check it against the flags in enum SPDY_FLAG_SETTINGS * @param value out param for the value of this setting * @return SPDY_NO if the setting is not into the structure * or SPDY_YES if it is into it */ int SPDY_settings_lookup (const struct SPDY_Settings * container, enum SPDY_SETTINGS id, enum SPDY_FLAG_SETTINGS * flags, int32_t * value); /** * Iterate over settings ID/value structure. * * @param container structure which to iterate over * @param iterator callback to call on each ID/value pair; * maybe NULL (then just count number of settings) * @param iterator_cls extra argument to iterator * @return number of entries iterated over */ int SPDY_settings_iterate (const struct SPDY_Settings * container, SPDY_SettingsIterator iterator, void * iterator_cls); /** * Destroy a settings ID/value structure. Use this function to destroy * only objects which, after passed to, will not be destroied by other * functions. * * @param container structure which to detroy */ void SPDY_settings_destroy (struct SPDY_Settings * container); /* SPDY SETTINGS handling functions */ /** * Send SPDY SETTINGS to the client. The call will return fail if there * in invald setting into the settings container (e.g. invalid setting * ID). * * @param session SPDY_Session handler for which settings are being sent * @param settings ID/value pairs of the settings to be sent. * Can be used multiple times, it is up to the user to destoy * the object when not needed anymore. * @param flags for the whole settings frame. They are valid for all tuples * @param ... list of options (type-value pairs, * terminated with SPDY_SETTINGS_OPTION_END). * @return SPDY_NO on error or SPDY_YES on * success */ int SPDY_send_settings (struct SPDY_Session * session, struct SPDY_Settings * settings, enum SPDY_FLAG_SETTINGS_FRAME flags, ...); /* SPDY misc functions */ /** * Destroy a request structure. It should be called for all objects * received as a parameter in SPDY_NewRequestCallback to free the memory * associated with the request. It is safe to call this * function not before being sure that the request will not be used by * the lib anymore, this means after the stream, on which this request * had been sent, was closed and all SPDY_ResponseResultCallback * callbacks were called for all calls to SPDY_queue_response() passing * this request object. * * @param request to destroy */ void SPDY_destroy_request (struct SPDY_Request * request); /** * Send SPDY ping to the client * * @param session handler for which the ping request is sent * @param rttcb callback called when ping response to the request is * received * @param rttcb_cls extra argument to rttcb * @return SPDY_NO on error or SPDY_YES on success */ int SPDY_send_ping(struct SPDY_Session * session, SPDY_PingCallback rttcb, void * rttcb_cls); #endif libmicrohttpd-0.9.33/src/include/microhttpd.h0000644000175000017500000022315612255340737016154 00000000000000/* This file is part of libmicrohttpd (C) 2006-2013 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file microhttpd.h * @brief public interface to libmicrohttpd * @author Christian Grothoff * @author Chris GauthierDickey * * All symbols defined in this header start with MHD. MHD is a small * HTTP daemon library. As such, it does not have any API for logging * errors (you can only enable or disable logging to stderr). Also, * it may not support all of the HTTP features directly, where * applicable, portions of HTTP may have to be handled by clients of * the library. * * The library is supposed to handle everything that it must handle * (because the API would not allow clients to do this), such as basic * connection management; however, detailed interpretations of headers * -- such as range requests -- and HTTP methods are left to clients. * The library does understand HEAD and will only send the headers of * the response and not the body, even if the client supplied a body. * The library also understands headers that control connection * management (specifically, "Connection: close" and "Expect: 100 * continue" are understood and handled automatically). * * MHD understands POST data and is able to decode certain formats * (at the moment only "application/x-www-form-urlencoded" and * "mulitpart/formdata"). Unsupported encodings and large POST * submissions may require the application to manually process * the stream, which is provided to the main application (and thus can be * processed, just not conveniently by MHD). * * The header file defines various constants used by the HTTP protocol. * This does not mean that MHD actually interprets all of these * values. The provided constants are exported as a convenience * for users of the library. MHD does not verify that transmitted * HTTP headers are part of the standard specification; users of the * library are free to define their own extensions of the HTTP * standard and use those with MHD. * * All functions are guaranteed to be completely reentrant and * thread-safe (with the exception of #MHD_set_connection_value, * which must only be used in a particular context). * * NEW: Before including "microhttpd.h" you should add the necessary * includes to define the `uint64_t`, `size_t`, `fd_set`, `socklen_t` * and `struct sockaddr` data types (which headers are needed may * depend on your platform; for possible suggestions consult * "platform.h" in the MHD distribution). If you have done so, you * should also have a line with "#define MHD_PLATFORM_H" which will * prevent this header from trying (and, depending on your platform, * failing) to include the right headers. * * @defgroup event event-loop control * MHD API to start and stop the HTTP server and manage the event loop. * @defgroup response generation of responses * MHD API used to generate responses. * @defgroup request handling of requests * MHD API used to access information about requests. * @defgroup authentication HTTP authentication * MHD API related to basic and digest HTTP authentication. * @defgroup logging logging * MHD API to mange logging and error handling * @defgroup specialized misc. specialized functions * This group includes functions that do not fit into any particular * category and that are rarely used. */ #ifndef MHD_MICROHTTPD_H #define MHD_MICROHTTPD_H #ifdef __cplusplus extern "C" { #if 0 /* keep Emacsens' auto-indent happy */ } #endif #endif /* While we generally would like users to use a configure-driven build process which detects which headers are present and hence works on any platform, we use "standard" includes here to build out-of-the-box for beginning users on common systems. Once you have a proper build system and go for more exotic platforms, you should define MHD_PLATFORM_H in some header that you always include *before* "microhttpd.h". Then the following "standard" includes won't be used (which might be a good idea, especially on platforms where they do not exist). */ #ifndef MHD_PLATFORM_H #include #include #include #ifdef __MINGW32__ #include #else #include #include #include #endif #endif /** * Current version of the library. * 0x01093001 = 1.9.30-1. */ #define MHD_VERSION 0x00093300 /** * MHD-internal return code for "YES". */ #define MHD_YES 1 /** * MHD-internal return code for "NO". */ #define MHD_NO 0 /** * MHD digest auth internal code for an invalid nonce. */ #define MHD_INVALID_NONCE -1 /** * Constant used to indicate unknown size (use when * creating a response). */ #ifdef UINT64_MAX #define MHD_SIZE_UNKNOWN UINT64_MAX #else #define MHD_SIZE_UNKNOWN ((uint64_t) -1LL) #endif #ifdef SIZE_MAX #define MHD_CONTENT_READER_END_OF_STREAM SIZE_MAX #define MHD_CONTENT_READER_END_WITH_ERROR (SIZE_MAX - 1) #else #define MHD_CONTENT_READER_END_OF_STREAM ((size_t) -1LL) #define MHD_CONTENT_READER_END_WITH_ERROR (((size_t) -1LL) - 1) #endif /** * Not all architectures and `printf()`'s support the `long long` type. * This gives the ability to replace `long long` with just a `long`, * standard `int` or a `short`. */ #ifndef MHD_LONG_LONG /** * @deprecated use #MHD_UNSIGNED_LONG_LONG instead! */ #define MHD_LONG_LONG long long #define MHD_UNSIGNED_LONG_LONG unsigned long long #endif /** * Format string for printing a variable of type #MHD_LONG_LONG. * You should only redefine this if you also define #MHD_LONG_LONG. */ #ifndef MHD_LONG_LONG_PRINTF /** * @deprecated use #MHD_UNSIGNED_LONG_LONG_PRINTF instead! */ #define MHD_LONG_LONG_PRINTF "ll" #define MHD_UNSIGNED_LONG_LONG_PRINTF "%llu" #endif /** * @defgroup httpcode HTTP response codes. * These are the status codes defined for HTTP responses. * @{ */ #define MHD_HTTP_CONTINUE 100 #define MHD_HTTP_SWITCHING_PROTOCOLS 101 #define MHD_HTTP_PROCESSING 102 #define MHD_HTTP_OK 200 #define MHD_HTTP_CREATED 201 #define MHD_HTTP_ACCEPTED 202 #define MHD_HTTP_NON_AUTHORITATIVE_INFORMATION 203 #define MHD_HTTP_NO_CONTENT 204 #define MHD_HTTP_RESET_CONTENT 205 #define MHD_HTTP_PARTIAL_CONTENT 206 #define MHD_HTTP_MULTI_STATUS 207 #define MHD_HTTP_MULTIPLE_CHOICES 300 #define MHD_HTTP_MOVED_PERMANENTLY 301 #define MHD_HTTP_FOUND 302 #define MHD_HTTP_SEE_OTHER 303 #define MHD_HTTP_NOT_MODIFIED 304 #define MHD_HTTP_USE_PROXY 305 #define MHD_HTTP_SWITCH_PROXY 306 #define MHD_HTTP_TEMPORARY_REDIRECT 307 #define MHD_HTTP_BAD_REQUEST 400 #define MHD_HTTP_UNAUTHORIZED 401 #define MHD_HTTP_PAYMENT_REQUIRED 402 #define MHD_HTTP_FORBIDDEN 403 #define MHD_HTTP_NOT_FOUND 404 #define MHD_HTTP_METHOD_NOT_ALLOWED 405 #define MHD_HTTP_METHOD_NOT_ACCEPTABLE 406 #define MHD_HTTP_PROXY_AUTHENTICATION_REQUIRED 407 #define MHD_HTTP_REQUEST_TIMEOUT 408 #define MHD_HTTP_CONFLICT 409 #define MHD_HTTP_GONE 410 #define MHD_HTTP_LENGTH_REQUIRED 411 #define MHD_HTTP_PRECONDITION_FAILED 412 #define MHD_HTTP_REQUEST_ENTITY_TOO_LARGE 413 #define MHD_HTTP_REQUEST_URI_TOO_LONG 414 #define MHD_HTTP_UNSUPPORTED_MEDIA_TYPE 415 #define MHD_HTTP_REQUESTED_RANGE_NOT_SATISFIABLE 416 #define MHD_HTTP_EXPECTATION_FAILED 417 #define MHD_HTTP_UNPROCESSABLE_ENTITY 422 #define MHD_HTTP_LOCKED 423 #define MHD_HTTP_FAILED_DEPENDENCY 424 #define MHD_HTTP_UNORDERED_COLLECTION 425 #define MHD_HTTP_UPGRADE_REQUIRED 426 #define MHD_HTTP_NO_RESPONSE 444 #define MHD_HTTP_RETRY_WITH 449 #define MHD_HTTP_BLOCKED_BY_WINDOWS_PARENTAL_CONTROLS 450 #define MHD_HTTP_UNAVAILABLE_FOR_LEGAL_REASONS 451 #define MHD_HTTP_INTERNAL_SERVER_ERROR 500 #define MHD_HTTP_NOT_IMPLEMENTED 501 #define MHD_HTTP_BAD_GATEWAY 502 #define MHD_HTTP_SERVICE_UNAVAILABLE 503 #define MHD_HTTP_GATEWAY_TIMEOUT 504 #define MHD_HTTP_HTTP_VERSION_NOT_SUPPORTED 505 #define MHD_HTTP_VARIANT_ALSO_NEGOTIATES 506 #define MHD_HTTP_INSUFFICIENT_STORAGE 507 #define MHD_HTTP_BANDWIDTH_LIMIT_EXCEEDED 509 #define MHD_HTTP_NOT_EXTENDED 510 /** @} */ /* end of group httpcode */ /** * Flag to be or-ed with MHD_HTTP status code for * SHOUTcast. This will cause the response to begin * with the SHOUTcast "ICY" line instad of "HTTP". * @ingroup specialized */ #define MHD_ICY_FLAG ((uint32_t)(1 << 31)) /** * @defgroup headers HTTP headers * These are the standard headers found in HTTP requests and responses. * @{ */ /* See also: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html */ #define MHD_HTTP_HEADER_ACCEPT "Accept" #define MHD_HTTP_HEADER_ACCEPT_CHARSET "Accept-Charset" #define MHD_HTTP_HEADER_ACCEPT_ENCODING "Accept-Encoding" #define MHD_HTTP_HEADER_ACCEPT_LANGUAGE "Accept-Language" #define MHD_HTTP_HEADER_ACCEPT_RANGES "Accept-Ranges" #define MHD_HTTP_HEADER_AGE "Age" #define MHD_HTTP_HEADER_ALLOW "Allow" #define MHD_HTTP_HEADER_AUTHORIZATION "Authorization" #define MHD_HTTP_HEADER_CACHE_CONTROL "Cache-Control" #define MHD_HTTP_HEADER_CONNECTION "Connection" #define MHD_HTTP_HEADER_CONTENT_ENCODING "Content-Encoding" #define MHD_HTTP_HEADER_CONTENT_LANGUAGE "Content-Language" #define MHD_HTTP_HEADER_CONTENT_LENGTH "Content-Length" #define MHD_HTTP_HEADER_CONTENT_LOCATION "Content-Location" #define MHD_HTTP_HEADER_CONTENT_MD5 "Content-MD5" #define MHD_HTTP_HEADER_CONTENT_RANGE "Content-Range" #define MHD_HTTP_HEADER_CONTENT_TYPE "Content-Type" #define MHD_HTTP_HEADER_COOKIE "Cookie" #define MHD_HTTP_HEADER_DATE "Date" #define MHD_HTTP_HEADER_ETAG "ETag" #define MHD_HTTP_HEADER_EXPECT "Expect" #define MHD_HTTP_HEADER_EXPIRES "Expires" #define MHD_HTTP_HEADER_FROM "From" #define MHD_HTTP_HEADER_HOST "Host" #define MHD_HTTP_HEADER_IF_MATCH "If-Match" #define MHD_HTTP_HEADER_IF_MODIFIED_SINCE "If-Modified-Since" #define MHD_HTTP_HEADER_IF_NONE_MATCH "If-None-Match" #define MHD_HTTP_HEADER_IF_RANGE "If-Range" #define MHD_HTTP_HEADER_IF_UNMODIFIED_SINCE "If-Unmodified-Since" #define MHD_HTTP_HEADER_LAST_MODIFIED "Last-Modified" #define MHD_HTTP_HEADER_LOCATION "Location" #define MHD_HTTP_HEADER_MAX_FORWARDS "Max-Forwards" #define MHD_HTTP_HEADER_PRAGMA "Pragma" #define MHD_HTTP_HEADER_PROXY_AUTHENTICATE "Proxy-Authenticate" #define MHD_HTTP_HEADER_PROXY_AUTHORIZATION "Proxy-Authorization" #define MHD_HTTP_HEADER_RANGE "Range" /* This is not a typo, see HTTP spec */ #define MHD_HTTP_HEADER_REFERER "Referer" #define MHD_HTTP_HEADER_RETRY_AFTER "Retry-After" #define MHD_HTTP_HEADER_SERVER "Server" #define MHD_HTTP_HEADER_SET_COOKIE "Set-Cookie" #define MHD_HTTP_HEADER_SET_COOKIE2 "Set-Cookie2" #define MHD_HTTP_HEADER_TE "TE" #define MHD_HTTP_HEADER_TRAILER "Trailer" #define MHD_HTTP_HEADER_TRANSFER_ENCODING "Transfer-Encoding" #define MHD_HTTP_HEADER_UPGRADE "Upgrade" #define MHD_HTTP_HEADER_USER_AGENT "User-Agent" #define MHD_HTTP_HEADER_VARY "Vary" #define MHD_HTTP_HEADER_VIA "Via" #define MHD_HTTP_HEADER_WARNING "Warning" #define MHD_HTTP_HEADER_WWW_AUTHENTICATE "WWW-Authenticate" #define MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN "Access-Control-Allow-Origin" /** @} */ /* end of group headers */ /** * @defgroup versions HTTP versions * These strings should be used to match against the first line of the * HTTP header. * @{ */ #define MHD_HTTP_VERSION_1_0 "HTTP/1.0" #define MHD_HTTP_VERSION_1_1 "HTTP/1.1" /** @} */ /* end of group versions */ /** * @defgroup methods HTTP methods * Standard HTTP methods (as strings). * @{ */ #define MHD_HTTP_METHOD_CONNECT "CONNECT" #define MHD_HTTP_METHOD_DELETE "DELETE" #define MHD_HTTP_METHOD_GET "GET" #define MHD_HTTP_METHOD_HEAD "HEAD" #define MHD_HTTP_METHOD_OPTIONS "OPTIONS" #define MHD_HTTP_METHOD_POST "POST" #define MHD_HTTP_METHOD_PUT "PUT" #define MHD_HTTP_METHOD_TRACE "TRACE" /** @} */ /* end of group methods */ /** * @defgroup postenc HTTP POST encodings * See also: http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4 * @{ */ #define MHD_HTTP_POST_ENCODING_FORM_URLENCODED "application/x-www-form-urlencoded" #define MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA "multipart/form-data" /** @} */ /* end of group postenc */ /** * @brief Handle for the daemon (listening on a socket for HTTP traffic). * @ingroup event */ struct MHD_Daemon; /** * @brief Handle for a connection / HTTP request. * * With HTTP/1.1, multiple requests can be run over the same * connection. However, MHD will only show one request per TCP * connection to the client at any given time. * @ingroup request */ struct MHD_Connection; /** * @brief Handle for a response. * @ingroup response */ struct MHD_Response; /** * @brief Handle for POST processing. * @ingroup response */ struct MHD_PostProcessor; /** * @brief Flags for the `struct MHD_Daemon`. * * Note that if neither #MHD_USE_THREAD_PER_CONNECTION nor * #MHD_USE_SELECT_INTERNALLY is used, the client wants control over * the process and will call the appropriate microhttpd callbacks. * * Starting the daemon may also fail if a particular option is not * implemented or not supported on the target platform (i.e. no * support for SSL, threads or IPv6). */ enum MHD_FLAG { /** * No options selected. */ MHD_NO_FLAG = 0, /** * Run in debug mode. If this flag is used, the library should * print error messages and warnings to `stderr`. */ MHD_USE_DEBUG = 1, /** * Run in HTTPS mode. */ MHD_USE_SSL = 2, /** * Run using one thread per connection. */ MHD_USE_THREAD_PER_CONNECTION = 4, /** * Run using an internal thread (or thread pool) doing `select()`. */ MHD_USE_SELECT_INTERNALLY = 8, /** * Run using the IPv6 protocol (otherwise, MHD will just support * IPv4). If you want MHD to support IPv4 and IPv6 using a single * socket, pass #MHD_USE_DUAL_STACK, otherwise, if you only pass * this option, MHD will try to bind to IPv6-only (resulting in * no IPv4 support). */ MHD_USE_IPv6 = 16, /** * Be pedantic about the protocol (as opposed to as tolerant as * possible). Specifically, at the moment, this flag causes MHD to * reject HTTP 1.1 connections without a "Host" header. This is * required by the standard, but of course in violation of the "be * as liberal as possible in what you accept" norm. It is * recommended to turn this ON if you are testing clients against * MHD, and OFF in production. */ MHD_USE_PEDANTIC_CHECKS = 32, /** * Use `poll()` instead of `select()`. This allows sockets with `fd >= * FD_SETSIZE`. This option is not compatible with using an * 'external' `select()` mode (as there is no API to get the file * descriptors for the external select from MHD) and must also not * be used in combination with #MHD_USE_EPOLL_LINUX_ONLY. */ MHD_USE_POLL = 64, /** * Run using an internal thread (or thread pool) doing `poll()`. */ MHD_USE_POLL_INTERNALLY = MHD_USE_SELECT_INTERNALLY | MHD_USE_POLL, /** * Suppress (automatically) adding the 'Date:' header to HTTP responses. * This option should ONLY be used on systems that do not have a clock * and that DO provide other mechanisms for cache control. See also * RFC 2616, section 14.18 (exception 3). */ MHD_SUPPRESS_DATE_NO_CLOCK = 128, /** * Run without a listen socket. This option only makes sense if * #MHD_add_connection is to be used exclusively to connect HTTP * clients to the HTTP server. This option is incompatible with * using a thread pool; if it is used, #MHD_OPTION_THREAD_POOL_SIZE * is ignored. */ MHD_USE_NO_LISTEN_SOCKET = 256, /** * Use `epoll()` instead of `select()` or `poll()` for the event loop. * This option is only available on Linux; using the option on * non-Linux systems will cause #MHD_start_daemon to fail. */ MHD_USE_EPOLL_LINUX_ONLY = 512, /** * Run using an internal thread (or thread pool) doing `epoll()`. * This option is only available on Linux; using the option on * non-Linux systems will cause #MHD_start_daemon to fail. */ MHD_USE_EPOLL_INTERNALLY_LINUX_ONLY = MHD_USE_SELECT_INTERNALLY | MHD_USE_EPOLL_LINUX_ONLY, /** * Force MHD to use a signal pipe to notify the event loop (of * threads) of our shutdown. This is required if an appliction uses * #MHD_USE_SELECT_INTERNALLY or #MHD_USE_THREAD_PER_CONNECTION and * then performs #MHD_quiesce_daemon (which eliminates our ability * to signal termination via the listen socket). In these modes, * #MHD_quiesce_daemon will fail if this option was not set. Also, * use of this option is automatic (as in, you do not even have to * specify it), if #MHD_USE_NO_LISTEN_SOCKET is specified. In * "external" `select()` mode, this option is always simply ignored. * On W32 a pair of sockets is used instead of a pipe. * * You must also use this option if you use internal select mode * or a thread pool in conjunction with #MHD_add_connection. */ MHD_USE_PIPE_FOR_SHUTDOWN = 1024, /** * Use a single socket for IPv4 and IPv6. */ MHD_USE_DUAL_STACK = MHD_USE_IPv6 | 2048, /** * Enable `epoll()` turbo. Disables certain calls to `shutdown()` * and enables aggressive non-blocking optimisitc reads. * Most effects only happen with #MHD_USE_EPOLL_LINUX_ONLY. * Enalbed always on W32 as winsock does not properly behave * with `shutdown()` and this then fixes potential problems. */ MHD_USE_EPOLL_TURBO = 4096, /** * Enable suspend/resume functions, which also implies setting up * pipes to signal resume. */ MHD_USE_SUSPEND_RESUME = 8192 | MHD_USE_PIPE_FOR_SHUTDOWN }; /** * Type of a callback function used for logging by MHD. * * @param cls closure * @param fm format string (`printf()`-style) * @param ap arguments to @a fm * @ingroup logging */ typedef void (*MHD_LogCallback)(void *cls, const char *fm, va_list ap); /** * @brief MHD options. * * Passed in the varargs portion of #MHD_start_daemon. */ enum MHD_OPTION { /** * No more options / last option. This is used * to terminate the VARARGs list. */ MHD_OPTION_END = 0, /** * Maximum memory size per connection (followed by a `size_t`). * Default is 32 kb (#MHD_POOL_SIZE_DEFAULT). * Values above 128k are unlikely to result in much benefit, as half * of the memory will be typically used for IO, and TCP buffers are * unlikely to support window sizes above 64k on most systems. */ MHD_OPTION_CONNECTION_MEMORY_LIMIT = 1, /** * Maximum number of concurrent connections to * accept (followed by an `unsigned int`). */ MHD_OPTION_CONNECTION_LIMIT = 2, /** * After how many seconds of inactivity should a * connection automatically be timed out? (followed * by an `unsigned int`; use zero for no timeout). */ MHD_OPTION_CONNECTION_TIMEOUT = 3, /** * Register a function that should be called whenever a request has * been completed (this can be used for application-specific clean * up). Requests that have never been presented to the application * (via #MHD_AccessHandlerCallback) will not result in * notifications. * * This option should be followed by TWO pointers. First a pointer * to a function of type #MHD_RequestCompletedCallback and second a * pointer to a closure to pass to the request completed callback. * The second pointer maybe NULL. */ MHD_OPTION_NOTIFY_COMPLETED = 4, /** * Limit on the number of (concurrent) connections made to the * server from the same IP address. Can be used to prevent one * IP from taking over all of the allowed connections. If the * same IP tries to establish more than the specified number of * connections, they will be immediately rejected. The option * should be followed by an `unsigned int`. The default is * zero, which means no limit on the number of connections * from the same IP address. */ MHD_OPTION_PER_IP_CONNECTION_LIMIT = 5, /** * Bind daemon to the supplied `struct sockaddr`. This option should * be followed by a `struct sockaddr *`. If #MHD_USE_IPv6 is * specified, the `struct sockaddr*` should point to a `struct * sockaddr_in6`, otherwise to a `struct sockaddr_in`. */ MHD_OPTION_SOCK_ADDR = 6, /** * Specify a function that should be called before parsing the URI from * the client. The specified callback function can be used for processing * the URI (including the options) before it is parsed. The URI after * parsing will no longer contain the options, which maybe inconvenient for * logging. This option should be followed by two arguments, the first * one must be of the form * * void * my_logger(void *cls, const char *uri, struct MHD_Connection *con) * * where the return value will be passed as * (`* con_cls`) in calls to the #MHD_AccessHandlerCallback * when this request is processed later; returning a * value of NULL has no special significance (however, * note that if you return non-NULL, you can no longer * rely on the first call to the access handler having * `NULL == *con_cls` on entry;) * "cls" will be set to the second argument following * #MHD_OPTION_URI_LOG_CALLBACK. Finally, uri will * be the 0-terminated URI of the request. * * Note that during the time of this call, most of the connection's * state is not initialized (as we have not yet parsed he headers). * However, information about the connecting client (IP, socket) * is available. */ MHD_OPTION_URI_LOG_CALLBACK = 7, /** * Memory pointer for the private key (key.pem) to be used by the * HTTPS daemon. This option should be followed by a * `const char *` argument. * This should be used in conjunction with #MHD_OPTION_HTTPS_MEM_CERT. */ MHD_OPTION_HTTPS_MEM_KEY = 8, /** * Memory pointer for the certificate (cert.pem) to be used by the * HTTPS daemon. This option should be followed by a * `const char *` argument. * This should be used in conjunction with #MHD_OPTION_HTTPS_MEM_KEY. */ MHD_OPTION_HTTPS_MEM_CERT = 9, /** * Daemon credentials type. * Followed by an argument of type * `gnutls_credentials_type_t`. */ MHD_OPTION_HTTPS_CRED_TYPE = 10, /** * Memory pointer to a `const char *` specifying the * cipher algorithm (default: "NORMAL"). */ MHD_OPTION_HTTPS_PRIORITIES = 11, /** * Pass a listen socket for MHD to use (systemd-style). If this * option is used, MHD will not open its own listen socket(s). The * argument passed must be of type `int` and refer to an * existing socket that has been bound to a port and is listening. */ MHD_OPTION_LISTEN_SOCKET = 12, /** * Use the given function for logging error messages. This option * must be followed by two arguments; the first must be a pointer to * a function of type #MHD_LogCallback and the second a pointer * `void *` which will be passed as the first argument to the log * callback. * * Note that MHD will not generate any log messages * if it was compiled without the "--enable-messages" * flag being set. */ MHD_OPTION_EXTERNAL_LOGGER = 13, /** * Number (`unsigned int`) of threads in thread pool. Enable * thread pooling by setting this value to to something * greater than 1. Currently, thread model must be * #MHD_USE_SELECT_INTERNALLY if thread pooling is enabled * (#MHD_start_daemon returns NULL for an unsupported thread * model). */ MHD_OPTION_THREAD_POOL_SIZE = 14, /** * Additional options given in an array of `struct MHD_OptionItem`. * The array must be terminated with an entry `{MHD_OPTION_END, 0, NULL}`. * An example for code using #MHD_OPTION_ARRAY is: * * struct MHD_OptionItem ops[] = { * { MHD_OPTION_CONNECTION_LIMIT, 100, NULL }, * { MHD_OPTION_CONNECTION_TIMEOUT, 10, NULL }, * { MHD_OPTION_END, 0, NULL } * }; * d = MHD_start_daemon (0, 8080, NULL, NULL, dh, NULL, * MHD_OPTION_ARRAY, ops, * MHD_OPTION_END); * * For options that expect a single pointer argument, the * second member of the `struct MHD_OptionItem` is ignored. * For options that expect two pointer arguments, the first * argument must be cast to `intptr_t`. */ MHD_OPTION_ARRAY = 15, /** * Specify a function that should be called for unescaping escape * sequences in URIs and URI arguments. Note that this function * will NOT be used by the `struct MHD_PostProcessor`. If this * option is not specified, the default method will be used which * decodes escape sequences of the form "%HH". This option should * be followed by two arguments, the first one must be of the form * * size_t my_unescaper(void *cls, * struct MHD_Connection *c, * char *s) * * where the return value must be "strlen(s)" and "s" should be * updated. Note that the unescape function must not lengthen "s" * (the result must be shorter than the input and still be * 0-terminated). "cls" will be set to the second argument * following #MHD_OPTION_UNESCAPE_CALLBACK. */ MHD_OPTION_UNESCAPE_CALLBACK = 16, /** * Memory pointer for the random values to be used by the Digest * Auth module. This option should be followed by two arguments. * First an integer of type `size_t` which specifies the size * of the buffer pointed to by the second argument in bytes. * Note that the application must ensure that the buffer of the * second argument remains allocated and unmodified while the * deamon is running. */ MHD_OPTION_DIGEST_AUTH_RANDOM = 17, /** * Size of the internal array holding the map of the nonce and * the nonce counter. This option should be followed by an `unsigend int` * argument. */ MHD_OPTION_NONCE_NC_SIZE = 18, /** * Desired size of the stack for threads created by MHD. Followed * by an argument of type `size_t`. Use 0 for system default. */ MHD_OPTION_THREAD_STACK_SIZE = 19, /** * Memory pointer for the certificate (ca.pem) to be used by the * HTTPS daemon for client authentification. * This option should be followed by a `const char *` argument. */ MHD_OPTION_HTTPS_MEM_TRUST = 20, /** * Increment to use for growing the read buffer (followed by a * `size_t`). Must fit within #MHD_OPTION_CONNECTION_MEMORY_LIMIT. */ MHD_OPTION_CONNECTION_MEMORY_INCREMENT = 21, /** * Use a callback to determine which X.509 certificate should be * used for a given HTTPS connection. This option should be * followed by a argument of type `gnutls_certificate_retrieve_function2 *`. * This option provides an * alternative to #MHD_OPTION_HTTPS_MEM_KEY, * #MHD_OPTION_HTTPS_MEM_CERT. You must use this version if * multiple domains are to be hosted at the same IP address using * TLS's Server Name Indication (SNI) extension. In this case, * the callback is expected to select the correct certificate * based on the SNI information provided. The callback is expected * to access the SNI data using `gnutls_server_name_get()`. * Using this option requires GnuTLS 3.0 or higher. */ MHD_OPTION_HTTPS_CERT_CALLBACK = 22 }; /** * Entry in an #MHD_OPTION_ARRAY. */ struct MHD_OptionItem { /** * Which option is being given. Use #MHD_OPTION_END * to terminate the array. */ enum MHD_OPTION option; /** * Option value (for integer arguments, and for options requiring * two pointer arguments); should be 0 for options that take no * arguments or only a single pointer argument. */ intptr_t value; /** * Pointer option value (use NULL for options taking no arguments * or only an integer option). */ void *ptr_value; }; /** * The `enum MHD_ValueKind` specifies the source of * the key-value pairs in the HTTP protocol. */ enum MHD_ValueKind { /** * Response header */ MHD_RESPONSE_HEADER_KIND = 0, /** * HTTP header. */ MHD_HEADER_KIND = 1, /** * Cookies. Note that the original HTTP header containing * the cookie(s) will still be available and intact. */ MHD_COOKIE_KIND = 2, /** * POST data. This is available only if a content encoding * supported by MHD is used (currently only URL encoding), * and only if the posted content fits within the available * memory pool. Note that in that case, the upload data * given to the #MHD_AccessHandlerCallback will be * empty (since it has already been processed). */ MHD_POSTDATA_KIND = 4, /** * GET (URI) arguments. */ MHD_GET_ARGUMENT_KIND = 8, /** * HTTP footer (only for HTTP 1.1 chunked encodings). */ MHD_FOOTER_KIND = 16 }; /** * The `enum MHD_RequestTerminationCode` specifies reasons * why a request has been terminated (or completed). * @ingroup request */ enum MHD_RequestTerminationCode { /** * We finished sending the response. * @ingroup request */ MHD_REQUEST_TERMINATED_COMPLETED_OK = 0, /** * Error handling the connection (resources * exhausted, other side closed connection, * application error accepting request, etc.) * @ingroup request */ MHD_REQUEST_TERMINATED_WITH_ERROR = 1, /** * No activity on the connection for the number * of seconds specified using * #MHD_OPTION_CONNECTION_TIMEOUT. * @ingroup request */ MHD_REQUEST_TERMINATED_TIMEOUT_REACHED = 2, /** * We had to close the session since MHD was being * shut down. * @ingroup request */ MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN = 3, /** * We tried to read additional data, but the other side closed the * connection. This error is similar to * #MHD_REQUEST_TERMINATED_WITH_ERROR, but specific to the case where * the connection died because the other side did not send expected * data. * @ingroup request */ MHD_REQUEST_TERMINATED_READ_ERROR = 4, /** * The client terminated the connection by closing the socket * for writing (TCP half-closed); MHD aborted sending the * response according to RFC 2616, section 8.1.4. * @ingroup request */ MHD_REQUEST_TERMINATED_CLIENT_ABORT = 5 }; /** * Information about a connection. */ union MHD_ConnectionInfo { /** * Cipher algorithm used, of type "enum gnutls_cipher_algorithm". */ int /* enum gnutls_cipher_algorithm */ cipher_algorithm; /** * Protocol used, of type "enum gnutls_protocol". */ int /* enum gnutls_protocol */ protocol; /** * Connect socket */ int connect_fd; /** * GNUtls session handle, of type "gnutls_session_t". */ void * /* gnutls_session_t */ tls_session; /** * GNUtls client certificate handle, of type "gnutls_x509_crt_t". */ void * /* gnutls_x509_crt_t */ client_cert; /** * Address information for the client. */ struct sockaddr *client_addr; /** * Which daemon manages this connection (useful in case there are many * daemons running). */ struct MHD_Daemon *daemon; }; /** * Values of this enum are used to specify what * information about a connection is desired. * @ingroup request */ enum MHD_ConnectionInfoType { /** * What cipher algorithm is being used. * Takes no extra arguments. * @ingroup request */ MHD_CONNECTION_INFO_CIPHER_ALGO, /** * * Takes no extra arguments. * @ingroup request */ MHD_CONNECTION_INFO_PROTOCOL, /** * Obtain IP address of the client. Takes no extra arguments. * Returns essentially a `struct sockaddr **` (since the API returns * a `union MHD_ConnectionInfo *` and that union contains a `struct * sockaddr *`). * @ingroup request */ MHD_CONNECTION_INFO_CLIENT_ADDRESS, /** * Get the gnuTLS session handle. * @ingroup request */ MHD_CONNECTION_INFO_GNUTLS_SESSION, /** * Get the gnuTLS client certificate handle. Dysfunctional (never * implemented, deprecated). Use #MHD_CONNECTION_INFO_GNUTLS_SESSION * to get the `gnutls_session_t` and then call * gnutls_certificate_get_peers(). */ MHD_CONNECTION_INFO_GNUTLS_CLIENT_CERT, /** * Get the `struct MHD_Daemon *` responsible for managing this connection. * @ingroup request */ MHD_CONNECTION_INFO_DAEMON, /** * Request the file descriptor for the listening socket. * No extra arguments should be passed. * @ingroup request */ MHD_CONNECTION_INFO_CONNECTION_FD }; /** * Values of this enum are used to specify what * information about a deamon is desired. */ enum MHD_DaemonInfoType { /** * No longer supported (will return NULL). */ MHD_DAEMON_INFO_KEY_SIZE, /** * No longer supported (will return NULL). */ MHD_DAEMON_INFO_MAC_KEY_SIZE, /** * Request the file descriptor for the listening socket. * No extra arguments should be passed. */ MHD_DAEMON_INFO_LISTEN_FD, /** * Request the file descriptor for the external epoll. * No extra arguments should be passed. */ MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY }; /** * Callback for serious error condition. The default action is to print * an error message and `abort()`. * * @param cls user specified value * @param file where the error occured * @param line where the error occured * @param reason error detail, may be NULL * @ingroup logging */ typedef void (*MHD_PanicCallback) (void *cls, const char *file, unsigned int line, const char *reason); /** * Allow or deny a client to connect. * * @param addr address information from the client * @param addrlen length of @a addr * @return #MHD_YES if connection is allowed, #MHD_NO if not */ typedef int (*MHD_AcceptPolicyCallback) (void *cls, const struct sockaddr *addr, socklen_t addrlen); /** * A client has requested the given url using the given method * (#MHD_HTTP_METHOD_GET, #MHD_HTTP_METHOD_PUT, * #MHD_HTTP_METHOD_DELETE, #MHD_HTTP_METHOD_POST, etc). The callback * must call MHD callbacks to provide content to give back to the * client and return an HTTP status code (i.e. #MHD_HTTP_OK, * #MHD_HTTP_NOT_FOUND, etc.). * * @param cls argument given together with the function * pointer when the handler was registered with MHD * @param url the requested url * @param method the HTTP method used (#MHD_HTTP_METHOD_GET, * #MHD_HTTP_METHOD_PUT, etc.) * @param version the HTTP version string (i.e. * #MHD_HTTP_VERSION_1_1) * @param upload_data the data being uploaded (excluding HEADERS, * for a POST that fits into memory and that is encoded * with a supported encoding, the POST data will NOT be * given in upload_data and is instead available as * part of #MHD_get_connection_values; very large POST * data *will* be made available incrementally in * @a upload_data) * @param upload_data_size set initially to the size of the * @a upload_data provided; the method must update this * value to the number of bytes NOT processed; * @param con_cls pointer that the callback can set to some * address and that will be preserved by MHD for future * calls for this request; since the access handler may * be called many times (i.e., for a PUT/POST operation * with plenty of upload data) this allows the application * to easily associate some request-specific state. * If necessary, this state can be cleaned up in the * global #MHD_RequestCompletedCallback (which * can be set with the #MHD_OPTION_NOTIFY_COMPLETED). * Initially, `*con_cls` will be NULL. * @return #MHD_YES if the connection was handled successfully, * #MHD_NO if the socket must be closed due to a serios * error while handling the request */ typedef int (*MHD_AccessHandlerCallback) (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls); /** * Signature of the callback used by MHD to notify the * application about completed requests. * * @param cls client-defined closure * @param connection connection handle * @param con_cls value as set by the last call to * the #MHD_AccessHandlerCallback * @param toe reason for request termination * @see #MHD_OPTION_NOTIFY_COMPLETED * @ingroup request */ typedef void (*MHD_RequestCompletedCallback) (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe); /** * Iterator over key-value pairs. This iterator * can be used to iterate over all of the cookies, * headers, or POST-data fields of a request, and * also to iterate over the headers that have been * added to a response. * * @return #MHD_YES to continue iterating, * #MHD_NO to abort the iteration * @ingroup request */ typedef int (*MHD_KeyValueIterator) (void *cls, enum MHD_ValueKind kind, const char *key, const char *value); /** * Callback used by libmicrohttpd in order to obtain content. The * callback is to copy at most @a max bytes of content into @a buf. The * total number of bytes that has been placed into @a buf should be * returned. * * Note that returning zero will cause libmicrohttpd to try again. * Thus, returning zero should only be used in conjunction * with MHD_suspend_connection() to avoid busy waiting. * * @param cls extra argument to the callback * @param pos position in the datastream to access; * note that if a `struct MHD_Response` object is re-used, * it is possible for the same content reader to * be queried multiple times for the same data; * however, if a `struct MHD_Response` is not re-used, * libmicrohttpd guarantees that "pos" will be * the sum of all non-negative return values * obtained from the content reader so far. * @param buf where to copy the data * @param max maximum number of bytes to copy to @a buf (size of @a buf) * @return number of bytes written to @a buf; * 0 is legal unless we are running in internal select mode (since * this would cause busy-waiting); 0 in external select mode * will cause this function to be called again once the external * select calls MHD again; * #MHD_CONTENT_READER_END_OF_STREAM (-1) for the regular * end of transmission (with chunked encoding, MHD will then * terminate the chunk and send any HTTP footers that might be * present; without chunked encoding and given an unknown * response size, MHD will simply close the connection; note * that while returning #MHD_CONTENT_READER_END_OF_STREAM is not technically * legal if a response size was specified, MHD accepts this * and treats it just as #MHD_CONTENT_READER_END_WITH_ERROR; * #MHD_CONTENT_READER_END_WITH_ERROR (-2) to indicate a server * error generating the response; this will cause MHD to simply * close the connection immediately. If a response size was * given or if chunked encoding is in use, this will indicate * an error to the client. Note, however, that if the client * does not know a response size and chunked encoding is not in * use, then clients will not be able to tell the difference between * #MHD_CONTENT_READER_END_WITH_ERROR and #MHD_CONTENT_READER_END_OF_STREAM. * This is not a limitation of MHD but rather of the HTTP protocol. */ typedef ssize_t (*MHD_ContentReaderCallback) (void *cls, uint64_t pos, char *buf, size_t max); /** * This method is called by libmicrohttpd if we * are done with a content reader. It should * be used to free resources associated with the * content reader. * * @param cls closure * @ingroup response */ typedef void (*MHD_ContentReaderFreeCallback) (void *cls); /** * Iterator over key-value pairs where the value * maybe made available in increments and/or may * not be zero-terminated. Used for processing * POST data. * * @param cls user-specified closure * @param kind type of the value, always #MHD_POSTDATA_KIND when called from MHD * @param key 0-terminated key for the value * @param filename name of the uploaded file, NULL if not known * @param content_type mime-type of the data, NULL if not known * @param transfer_encoding encoding of the data, NULL if not known * @param data pointer to @a size bytes of data at the * specified offset * @param off offset of data in the overall value * @param size number of bytes in @a data available * @return #MHD_YES to continue iterating, * #MHD_NO to abort the iteration */ typedef int (*MHD_PostDataIterator) (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size); /* **************** Daemon handling functions ***************** */ /** * Start a webserver on the given port. * * @param flags combination of `enum MHD_FLAG` values * @param port port to bind to (in host byte order) * @param apc callback to call to check which clients * will be allowed to connect; you can pass NULL * in which case connections from any IP will be * accepted * @param apc_cls extra argument to apc * @param dh handler called for all requests (repeatedly) * @param dh_cls extra argument to @a dh * @param ap list of options (type-value pairs, * terminated with #MHD_OPTION_END). * @return NULL on error, handle to daemon on success * @ingroup event */ struct MHD_Daemon * MHD_start_daemon_va (unsigned int flags, uint16_t port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, va_list ap); /** * Start a webserver on the given port. Variadic version of * #MHD_start_daemon_va. * * @param flags combination of `enum MHD_FLAG` values * @param port port to bind to * @param apc callback to call to check which clients * will be allowed to connect; you can pass NULL * in which case connections from any IP will be * accepted * @param apc_cls extra argument to apc * @param dh handler called for all requests (repeatedly) * @param dh_cls extra argument to @a dh * @return NULL on error, handle to daemon on success * @ingroup event */ struct MHD_Daemon * MHD_start_daemon (unsigned int flags, uint16_t port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, ...); /** * Stop accepting connections from the listening socket. Allows * clients to continue processing, but stops accepting new * connections. Note that the caller is responsible for closing the * returned socket; however, if MHD is run using threads (anything but * external select mode), it must not be closed until AFTER * #MHD_stop_daemon has been called (as it is theoretically possible * that an existing thread is still using it). * * Note that some thread modes require the caller to have passed * #MHD_USE_PIPE_FOR_SHUTDOWN when using this API. If this daemon is * in one of those modes and this option was not given to * #MHD_start_daemon, this function will return -1. * * @param daemon daemon to stop accepting new connections for * @return old listen socket on success, -1 if the daemon was * already not listening anymore * @ingroup specialized */ int MHD_quiesce_daemon (struct MHD_Daemon *daemon); /** * Shutdown an HTTP daemon. * * @param daemon daemon to stop * @ingroup event */ void MHD_stop_daemon (struct MHD_Daemon *daemon); /** * Add another client connection to the set of connections managed by * MHD. This API is usually not needed (since MHD will accept inbound * connections on the server socket). Use this API in special cases, * for example if your HTTP server is behind NAT and needs to connect * out to the HTTP client, or if you are building a proxy. * * If you use this API in conjunction with a internal select or a * thread pool, you must set the option * #MHD_USE_PIPE_FOR_SHUTDOWN to ensure that the freshly added * connection is immediately processed by MHD. * * The given client socket will be managed (and closed!) by MHD after * this call and must no longer be used directly by the application * afterwards. * * Per-IP connection limits are ignored when using this API. * * @param daemon daemon that manages the connection * @param client_socket socket to manage (MHD will expect * to receive an HTTP request from this socket next). * @param addr IP address of the client * @param addrlen number of bytes in @a addr * @return #MHD_YES on success, #MHD_NO if this daemon could * not handle the connection (i.e. `malloc()` failed, etc). * The socket will be closed in any case; `errno` is * set to indicate further details about the error. * @ingroup specialized */ int MHD_add_connection (struct MHD_Daemon *daemon, int client_socket, const struct sockaddr *addr, socklen_t addrlen); /** * Obtain the `select()` sets for this daemon. * * @param daemon daemon to get sets from * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set * @param max_fd increased to largest FD added (if larger * than existing value); can be NULL * @return #MHD_YES on success, #MHD_NO if this * daemon was not started with the right * options for this call. * @ingroup event */ int MHD_get_fdset (struct MHD_Daemon *daemon, fd_set *read_fd_set, fd_set *write_fd_set, fd_set *except_fd_set, int *max_fd); /** * Obtain timeout value for `select()` for this daemon (only needed if * connection timeout is used). The returned value is how long * `select()` or `poll()` should at most block, not the timeout value set * for connections. This function MUST NOT be called if MHD is * running with #MHD_USE_THREAD_PER_CONNECTION. * * @param daemon daemon to query for timeout * @param timeout set to the timeout (in milliseconds) * @return #MHD_YES on success, #MHD_NO if timeouts are * not used (or no connections exist that would * necessiate the use of a timeout right now). * @ingroup event */ int MHD_get_timeout (struct MHD_Daemon *daemon, MHD_UNSIGNED_LONG_LONG *timeout); /** * Run webserver operations (without blocking unless in client * callbacks). This method should be called by clients in combination * with #MHD_get_fdset if the client-controlled select method is used. * * This function is a convenience method, which is useful if the * fd_sets from #MHD_get_fdset were not directly passed to `select()`; * with this function, MHD will internally do the appropriate `select()` * call itself again. While it is always safe to call #MHD_run (in * external select mode), you should call #MHD_run_from_select if * performance is important (as it saves an expensive call to * `select()`). * * @param daemon daemon to run * @return #MHD_YES on success, #MHD_NO if this * daemon was not started with the right * options for this call. * @ingroup event */ int MHD_run (struct MHD_Daemon *daemon); /** * Run webserver operations. This method should be called by clients * in combination with #MHD_get_fdset if the client-controlled select * method is used. * * You can use this function instead of #MHD_run if you called * `select()` on the result from #MHD_get_fdset. File descriptors in * the sets that are not controlled by MHD will be ignored. Calling * this function instead of #MHD_run is more efficient as MHD will * not have to call `select()` again to determine which operations are * ready. * * @param daemon daemon to run select loop for * @param read_fd_set read set * @param write_fd_set write set * @param except_fd_set except set (not used, can be NULL) * @return #MHD_NO on serious errors, #MHD_YES on success * @ingroup event */ int MHD_run_from_select (struct MHD_Daemon *daemon, const fd_set *read_fd_set, const fd_set *write_fd_set, const fd_set *except_fd_set); /* **************** Connection handling functions ***************** */ /** * Get all of the headers from the request. * * @param connection connection to get values from * @param kind types of values to iterate over * @param iterator callback to call on each header; * maybe NULL (then just count headers) * @param iterator_cls extra argument to @a iterator * @return number of entries iterated over * @ingroup request */ int MHD_get_connection_values (struct MHD_Connection *connection, enum MHD_ValueKind kind, MHD_KeyValueIterator iterator, void *iterator_cls); /** * This function can be used to add an entry to the HTTP headers of a * connection (so that the #MHD_get_connection_values function will * return them -- and the `struct MHD_PostProcessor` will also see * them). This maybe required in certain situations (see Mantis * #1399) where (broken) HTTP implementations fail to supply values * needed by the post processor (or other parts of the application). * * This function MUST only be called from within the * #MHD_AccessHandlerCallback (otherwise, access maybe improperly * synchronized). Furthermore, the client must guarantee that the key * and value arguments are 0-terminated strings that are NOT freed * until the connection is closed. (The easiest way to do this is by * passing only arguments to permanently allocated strings.). * * @param connection the connection for which a * value should be set * @param kind kind of the value * @param key key for the value * @param value the value itself * @return #MHD_NO if the operation could not be * performed due to insufficient memory; * #MHD_YES on success * @ingroup request */ int MHD_set_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key, const char *value); /** * Sets the global error handler to a different implementation. @a cb * will only be called in the case of typically fatal, serious * internal consistency issues. These issues should only arise in the * case of serious memory corruption or similar problems with the * architecture. While @a cb is allowed to return and MHD will then * try to continue, this is never safe. * * The default implementation that is used if no panic function is set * simply prints an error message and calls `abort()`. Alternative * implementations might call `exit()` or other similar functions. * * @param cb new error handler * @param cls passed to @a cb * @ingroup logging */ void MHD_set_panic_func (MHD_PanicCallback cb, void *cls); /** * Get a particular header value. If multiple * values match the kind, return any one of them. * * @param connection connection to get values from * @param kind what kind of value are we looking for * @param key the header to look for, NULL to lookup 'trailing' value without a key * @return NULL if no such item was found * @ingroup request */ const char * MHD_lookup_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key); /** * Queue a response to be transmitted to the client (as soon as * possible but after #MHD_AccessHandlerCallback returns). * * @param connection the connection identifying the client * @param status_code HTTP status code (i.e. #MHD_HTTP_OK) * @param response response to transmit * @return #MHD_NO on error (i.e. reply already sent), * #MHD_YES on success or if message has been queued * @ingroup response */ int MHD_queue_response (struct MHD_Connection *connection, unsigned int status_code, struct MHD_Response *response); /** * Suspend handling of network data for a given connection. This can * be used to dequeue a connection from MHD's event loop (external * select, internal select or thread pool; not applicable to * thread-per-connection!) for a while. * * If you use this API in conjunction with a internal select or a * thread pool, you must set the option #MHD_USE_PIPE_FOR_SHUTDOWN to * ensure that a resumed connection is immediately processed by MHD. * * Suspended connections continue to count against the total number of * connections allowed (per daemon, as well as per IP, if such limits * are set). Suspended connections will NOT time out; timeouts will * restart when the connection handling is resumed. While a * connection is suspended, MHD will not detect disconnects by the * client. * * The only safe time to suspend a connection is from the * #MHD_AccessHandlerCallback. * * Finally, it is an API violation to call #MHD_stop_daemon while * having suspended connections (this will at least create memory and * socket leaks or lead to undefined behavior). You must explicitly * resume all connections before stopping the daemon. * * @param connection the connection to suspend */ void MHD_suspend_connection (struct MHD_Connection *connection); /** * Resume handling of network data for suspended connection. It is * safe to resume a suspended connection at any time. Calling this * function on a connection that was not previously suspended will * result in undefined behavior. * * @param connection the connection to resume */ void MHD_resume_connection (struct MHD_Connection *connection); /* **************** Response manipulation functions ***************** */ /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response, #MHD_SIZE_UNKNOWN for unknown * @param block_size preferred block size for querying crc (advisory only, * MHD may still call @a crc using smaller chunks); this * is essentially the buffer size used for IO, clients * should pick a value that is appropriate for IO and * memory performance requirements * @param crc callback to use to obtain response data * @param crc_cls extra argument to @a crc * @param crfc callback to call to free @a crc_cls resources * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_callback (uint64_t size, size_t block_size, MHD_ContentReaderCallback crc, void *crc_cls, MHD_ContentReaderFreeCallback crfc); /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the @a data portion of the response * @param data the data itself * @param must_free libmicrohttpd should free data when done * @param must_copy libmicrohttpd must make a copy of @a data * right away, the data maybe released anytime after * this call returns * @return NULL on error (i.e. invalid arguments, out of memory) * @deprecated use #MHD_create_response_from_buffer instead * @ingroup response */ struct MHD_Response * MHD_create_response_from_data (size_t size, void *data, int must_free, int must_copy); /** * Specification for how MHD should treat the memory buffer * given for the response. * @ingroup response */ enum MHD_ResponseMemoryMode { /** * Buffer is a persistent (static/global) buffer that won't change * for at least the lifetime of the response, MHD should just use * it, not free it, not copy it, just keep an alias to it. * @ingroup response */ MHD_RESPMEM_PERSISTENT, /** * Buffer is heap-allocated with `malloc()` (or equivalent) and * should be freed by MHD after processing the response has * concluded (response reference counter reaches zero). * @ingroup response */ MHD_RESPMEM_MUST_FREE, /** * Buffer is in transient memory, but not on the heap (for example, * on the stack or non-`malloc()` allocated) and only valid during the * call to #MHD_create_response_from_buffer. MHD must make its * own private copy of the data for processing. * @ingroup response */ MHD_RESPMEM_MUST_COPY }; /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param buffer size bytes containing the response's data portion * @param mode flags for buffer management * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_buffer (size_t size, void *buffer, enum MHD_ResponseMemoryMode mode); /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param fd file descriptor referring to a file on disk with the * data; will be closed when response is destroyed; * fd should be in 'blocking' mode * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_fd (size_t size, int fd); /** * Create a response object. The response object can be extended with * header information and then be used any number of times. * * @param size size of the data portion of the response * @param fd file descriptor referring to a file on disk with the * data; will be closed when response is destroyed; * fd should be in 'blocking' mode * @param offset offset to start reading from in the file; * Be careful! `off_t` may have been compiled to be a * 64-bit variable for MHD, in which case your application * also has to be compiled using the same options! Read * the MHD manual for more details. * @return NULL on error (i.e. invalid arguments, out of memory) * @ingroup response */ struct MHD_Response * MHD_create_response_from_fd_at_offset (size_t size, int fd, off_t offset); #if 0 /** * Bits in an event mask that specifies which actions * MHD should perform and under which conditions it * should call the 'upgrade' callback again. */ enum MHD_UpgradeEventMask { /** * Never call the handler again; finish sending bytes * in the 'write' buffer and then close the socket. */ MHD_UPGRADE_EVENT_TERMINATE = 0, /** * Call the handler again once there is data ready * for reading. */ MHD_UPGRADE_EVENT_READ = 1, /** * Call the handler again once there is buffer space * available for writing. */ MHD_UPGRADE_EVENT_WRITE = 2, /** * Do not wait on any socket actions, we're waiting on * an 'external' event. Run the function again once * the 'select' call returns _without_ this socket even * being involved in the select sets (useful in * conjunction with the external select loop). */ MHD_UPGRADE_EVENT_EXTERNAL = 4, /** * Uncork the TCP write buffer (that is, tell the OS to transmit all * bytes in the buffer now, and to not use TCP-CORKing). This is * not really an event flag, but an additional request (which MHD * may ignore if the platform does not support it). Note that * only returning 'CORK' will *also* cause the socket to be closed! */ MHD_UPGRADE_EVENT_CORK = 8 }; /** * Function called after a protocol "upgrade" response was sent * successfully and the socket should now be controlled by some * protocol other than HTTP. * * Any data received on the socket will be made available in * 'data_in'. The function should update 'data_in_size' to * reflect the number of bytes consumed from 'data_in' (the remaining * bytes will be made available in the next call to the handler). * * Any data that should be transmitted on the socket should be * stored in 'data_out'. '*data_out_size' is initially set to * the available buffer space in 'data_out'. It should be set to * the number of bytes stored in 'data_out' (which can be zero). * * The return value is a BITMASK that indicates how the function * intends to interact with the event loop. It can request to be * notified for reading, writing, request to UNCORK the send buffer * (which MHD is allowed to ignore, if it is not possible to uncork on * the local platform), to wait for the 'external' select loop to * trigger another round. It is also possible to specify "no events" * to terminate the connection; in this case, the * #MHD_RequestCompletedCallback will be called and all resources of * the connection will be released. * * Except when in 'thread-per-connection' mode, implementations * of this function should never block (as it will still be called * from within the main event loop). * * @param cls closure * @param connection original HTTP connection handle, * giving the function a last chance * to inspect the original HTTP request * @param con_cls value as set by the last call to the * MHD_AccessHandlerCallback; will afterwards * be also given to the #MHD_RequestCompletedCallback * @param data_in_size available data for reading, set to data read * @param data_in data read from the socket * @param data_out_size available buffer for writing, set to bytes * written to 'data_out' * @param data_out buffer for sending data via the connection * @return desired actions for event handling loop */ typedef enum MHD_UpgradeEventMask (*MHD_UpgradeHandler)(void *cls, struct MHD_Connection *connection, void **con_cls, size_t *data_in_size, const char *data_in, size_t *data_out_size, char *data_out); /** * Create a response object that can be used for 101 UPGRADE * responses, for example to implement websockets. After sending the * response, control over the data stream is given to the callback (which * can then, for example, start some bi-directional communication). * If the response is queued for multiple connections, the callback * will be called for each connection. The callback * will ONLY be called if the response header was successfully passed * to the OS; if there are communication errors before, the usual MHD * connection error handling code will be performed. * * Setting the correct HTTP code (i.e. MHD_HTTP_SWITCHING_PROTOCOLS) * and setting correct HTTP headers for the upgrade must be done * manually (this way, it is possible to implement most existing * WebSocket versions using this API; in fact, this API might be useful * for any protocol switch, not just websockets). Note that * draft-ietf-hybi-thewebsocketprotocol-00 cannot be implemented this * way as the header "HTTP/1.1 101 WebSocket Protocol Handshake" * cannot be generated; instead, MHD will always produce "HTTP/1.1 101 * Switching Protocols" (if the response code 101 is used). * * As usual, the response object can be extended with header * information and then be used any number of times (as long as the * header information is not connection-specific). * * @param upgrade_handler function to call with the 'upgraded' socket * @param upgrade_handler_cls closure for 'upgrade_handler' * @return NULL on error (i.e. invalid arguments, out of memory) */ struct MHD_Response * MHD_create_response_for_upgrade (MHD_UpgradeHandler upgrade_handler, void *upgrade_handler_cls); #endif /** * Destroy a response object and associated resources. Note that * libmicrohttpd may keep some of the resources around if the response * is still in the queue for some clients, so the memory may not * necessarily be freed immediatley. * * @param response response to destroy * @ingroup response */ void MHD_destroy_response (struct MHD_Response *response); /** * Add a header line to the response. * * @param response response to add a header to * @param header the header to add * @param content value to add * @return #MHD_NO on error (i.e. invalid header or content format), * or out of memory * @ingroup response */ int MHD_add_response_header (struct MHD_Response *response, const char *header, const char *content); /** * Add a footer line to the response. * * @param response response to remove a header from * @param footer the footer to delete * @param content value to delete * @return #MHD_NO on error (i.e. invalid footer or content format). * @ingroup response */ int MHD_add_response_footer (struct MHD_Response *response, const char *footer, const char *content); /** * Delete a header (or footer) line from the response. * * @param response response to remove a header from * @param header the header to delete * @param content value to delete * @return #MHD_NO on error (no such header known) * @ingroup response */ int MHD_del_response_header (struct MHD_Response *response, const char *header, const char *content); /** * Get all of the headers (and footers) added to a response. * * @param response response to query * @param iterator callback to call on each header; * maybe NULL (then just count headers) * @param iterator_cls extra argument to @a iterator * @return number of entries iterated over * @ingroup response */ int MHD_get_response_headers (struct MHD_Response *response, MHD_KeyValueIterator iterator, void *iterator_cls); /** * Get a particular header (or footer) from the response. * * @param response response to query * @param key which header to get * @return NULL if header does not exist * @ingroup response */ const char * MHD_get_response_header (struct MHD_Response *response, const char *key); /* ********************** PostProcessor functions ********************** */ /** * Create a `struct MHD_PostProcessor`. * * A `struct MHD_PostProcessor` can be used to (incrementally) parse * the data portion of a POST request. Note that some buggy browsers * fail to set the encoding type. If you want to support those, you * may have to call #MHD_set_connection_value with the proper encoding * type before creating a post processor (if no supported encoding * type is set, this function will fail). * * @param connection the connection on which the POST is * happening (used to determine the POST format) * @param buffer_size maximum number of bytes to use for * internal buffering (used only for the parsing, * specifically the parsing of the keys). A * tiny value (256-1024) should be sufficient. * Do NOT use a value smaller than 256. For good * performance, use 32 or 64k (i.e. 65536). * @param iter iterator to be called with the parsed data, * Must NOT be NULL. * @param iter_cls first argument to @a iter * @return NULL on error (out of memory, unsupported encoding), * otherwise a PP handle * @ingroup request */ struct MHD_PostProcessor * MHD_create_post_processor (struct MHD_Connection *connection, size_t buffer_size, MHD_PostDataIterator iter, void *iter_cls); /** * Parse and process POST data. Call this function when POST data is * available (usually during an #MHD_AccessHandlerCallback) with the * "upload_data" and "upload_data_size". Whenever possible, this will * then cause calls to the #MHD_PostDataIterator. * * @param pp the post processor * @param post_data @a post_data_len bytes of POST data * @param post_data_len length of @a post_data * @return #MHD_YES on success, #MHD_NO on error * (out-of-memory, iterator aborted, parse error) * @ingroup request */ int MHD_post_process (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len); /** * Release PostProcessor resources. * * @param pp the PostProcessor to destroy * @return #MHD_YES if processing completed nicely, * #MHD_NO if there were spurious characters / formatting * problems; it is common to ignore the return * value of this function * @ingroup request */ int MHD_destroy_post_processor (struct MHD_PostProcessor *pp); /* ********************* Digest Authentication functions *************** */ /** * Constant to indicate that the nonce of the provided * authentication code was wrong. * @ingroup authentication */ #define MHD_INVALID_NONCE -1 /** * Get the username from the authorization header sent by the client * * @param connection The MHD connection structure * @return NULL if no username could be found, a pointer * to the username if found * @ingroup authentication */ char * MHD_digest_auth_get_username (struct MHD_Connection *connection); /** * Authenticates the authorization header sent by the client * * @param connection The MHD connection structure * @param realm The realm presented to the client * @param username The username needs to be authenticated * @param password The password used in the authentication * @param nonce_timeout The amount of time for a nonce to be * invalid in seconds * @return #MHD_YES if authenticated, #MHD_NO if not, * #MHD_INVALID_NONCE if nonce is invalid * @ingroup authentication */ int MHD_digest_auth_check (struct MHD_Connection *connection, const char *realm, const char *username, const char *password, unsigned int nonce_timeout); /** * Queues a response to request authentication from the client * * @param connection The MHD connection structure * @param realm The realm presented to the client * @param opaque string to user for opaque value * @param response reply to send; should contain the "access denied" * body; note that this function will set the "WWW Authenticate" * header and that the caller should not do this * @param signal_stale #MHD_YES if the nonce is invalid to add * 'stale=true' to the authentication header * @return #MHD_YES on success, #MHD_NO otherwise * @ingroup authentication */ int MHD_queue_auth_fail_response (struct MHD_Connection *connection, const char *realm, const char *opaque, struct MHD_Response *response, int signal_stale); /** * Get the username and password from the basic authorization header sent by the client * * @param connection The MHD connection structure * @param password a pointer for the password * @return NULL if no username could be found, a pointer * to the username if found * @ingroup authentication */ char * MHD_basic_auth_get_username_password (struct MHD_Connection *connection, char** password); /** * Queues a response to request basic authentication from the client * The given response object is expected to include the payload for * the response; the "WWW-Authenticate" header will be added and the * response queued with the 'UNAUTHORIZED' status code. * * @param connection The MHD connection structure * @param realm the realm presented to the client * @param response response object to modify and queue * @return #MHD_YES on success, #MHD_NO otherwise * @ingroup authentication */ int MHD_queue_basic_auth_fail_response (struct MHD_Connection *connection, const char *realm, struct MHD_Response *response); /* ********************** generic query functions ********************** */ /** * Obtain information about the given connection. * * @param connection what connection to get information about * @param info_type what information is desired? * @param ... depends on @a info_type * @return NULL if this information is not available * (or if the @a info_type is unknown) * @ingroup specialized */ const union MHD_ConnectionInfo * MHD_get_connection_info (struct MHD_Connection *connection, enum MHD_ConnectionInfoType info_type, ...); /** * MHD connection options. Given to #MHD_set_connection_option to * set custom options for a particular connection. */ enum MHD_CONNECTION_OPTION { /** * Set a custom timeout for the given connection. Specified * as the number of seconds, given as an `unsigned int`. Use * zero for no timeout. */ MHD_CONNECTION_OPTION_TIMEOUT }; /** * Set a custom option for the given connection, overriding defaults. * * @param connection connection to modify * @param option option to set * @param ... arguments to the option, depending on the option type * @return #MHD_YES on success, #MHD_NO if setting the option failed * @ingroup specialized */ int MHD_set_connection_option (struct MHD_Connection *connection, enum MHD_CONNECTION_OPTION option, ...); /** * Information about an MHD daemon. */ union MHD_DaemonInfo { /** * Size of the key. * @deprecated */ size_t key_size; /** * Size of the mac key. * @deprecated */ size_t mac_key_size; /** * Listen socket file descriptor */ int listen_fd; }; /** * Obtain information about the given daemon * (not fully implemented!). * * @param daemon what daemon to get information about * @param info_type what information is desired? * @param ... depends on @a info_type * @return NULL if this information is not available * (or if the @a info_type is unknown) * @ingroup specialized */ const union MHD_DaemonInfo * MHD_get_daemon_info (struct MHD_Daemon *daemon, enum MHD_DaemonInfoType info_type, ...); /** * Obtain the version of this library * * @return static version string, e.g. "0.9.9" * @ingroup specialized */ const char* MHD_get_version (void); #if 0 /* keep Emacsens' auto-indent happy */ { #endif #ifdef __cplusplus } #endif #endif libmicrohttpd-0.9.33/src/datadir/0000755000175000017500000000000012255341026013652 500000000000000libmicrohttpd-0.9.33/src/datadir/cert-and-key.pem0000644000175000017500000000377212107242041016562 00000000000000-----BEGIN RSA PRIVATE KEY----- MIICXgIBAAKBgQDc1k7EFEspRcr6PdPmvAd02hBDUG2O5dDkoRK+6tgEBvQxsTxz 50TGwJ8RbSV+qUOnncZBwhnI4i71QSEezMP6I6liRA+fUtdh3cZFvdDpxgU6P15y 5JxfnnDeZJR5O4tfMxN99t34EOEMruZZ0CNYJJgbmIteE0hLI418oUs7cwIDAQAB AoGAW3WOLXrSHge/pp/QkLCyzdw5/AblONdJCkcDQnp0eEaA/8uNY9sWCtJfjpIL g0eKs3KOV1GR6DZ0iDIvC1h2mO6pwyrJhRYHKPO9pnx7xpv1T9zYTuVwoMfVjPfO UCWFedSsSKR76+oP0TrwPDqp3JoMFcAyAqZKMg2JrRUpL3ECQQD92cVSYxSEKwX3 cHWXVp1mSkuRMR/KX70NC/9XpYr8FEjvtXBTkmp7oG3TaDwd6nhSAodtY+Zkseyj k5NXM6sNAkEA3rT6opc1YK0pL3uweg+AFP4lRUYrrft1bDELhLmVm9Nf4xEdTnDO IotiX4GYQ64Bm8J+yxVU204soGynVXbgfwJBALQLCqq+X0TGhvrSpnRqGET+mM4n u1Z7xMhGJBpz7TmQ4ZIya7K6fA+m3347xbeqHyB7brYlTrlIgIAcITqOCNkCQQDE 3tuJC34mHi0ASqkw3a7t39R2rpdCT733jEuQYrY8b9id061CgDnZE7o8j0VY3uOR G5gWUp8W1r5gemxaAqJlAkEAwVImBKyKy3oIMsd3WsoqYCMBM+cpX8H2JAEEISPT Y5zSPZ7kT9JgY2zJwXf3qL+uG1oKZ6f0wn4BYujctTbXwQ== -----END RSA PRIVATE KEY----- -----BEGIN CERTIFICATE----- MIIDJTCCAo6gAwIBAgIJAIjfJkuxM1pAMA0GCSqGSIb3DQEBBQUAMGsxCzAJBgNV BAYTAkJHMQ4wDAYDVQQIEwVTb2ZpYTEOMAwGA1UEBxMFU29maWExCzAJBgNVBAoT AkFVMQ8wDQYDVQQDEwZBbmRyZXkxHjAcBgkqhkiG9w0BCQEWD3Jvb3RAZ29vZ2xl LmNvbTAeFw0xMjA5MDgxMTU2MzNaFw0xMzA5MDgxMTU2MzNaMGsxCzAJBgNVBAYT AkJHMQ4wDAYDVQQIEwVTb2ZpYTEOMAwGA1UEBxMFU29maWExCzAJBgNVBAoTAkFV MQ8wDQYDVQQDEwZBbmRyZXkxHjAcBgkqhkiG9w0BCQEWD3Jvb3RAZ29vZ2xlLmNv bTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA3NZOxBRLKUXK+j3T5rwHdNoQ Q1BtjuXQ5KESvurYBAb0MbE8c+dExsCfEW0lfqlDp53GQcIZyOIu9UEhHszD+iOp YkQPn1LXYd3GRb3Q6cYFOj9ecuScX55w3mSUeTuLXzMTffbd+BDhDK7mWdAjWCSY G5iLXhNISyONfKFLO3MCAwEAAaOB0DCBzTAdBgNVHQ4EFgQUPp4dR3IT0t6bSE3Y b91MyHJU2+8wgZ0GA1UdIwSBlTCBkoAUPp4dR3IT0t6bSE3Yb91MyHJU2++hb6Rt MGsxCzAJBgNVBAYTAkJHMQ4wDAYDVQQIEwVTb2ZpYTEOMAwGA1UEBxMFU29maWEx CzAJBgNVBAoTAkFVMQ8wDQYDVQQDEwZBbmRyZXkxHjAcBgkqhkiG9w0BCQEWD3Jv b3RAZ29vZ2xlLmNvbYIJAIjfJkuxM1pAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcN AQEFBQADgYEAeBPoIRueOJ+SwpVniE2gmnvogWH9+irJnapDKGZrC/JsTA7ArqRd EHO1xZxqF+v+v128LmwWAdaazgMUHjR7e7B0xo4Tcp+9+voczc/GBTO0wnp6HT76 2kUB6rPwwg9bycW8hAJiJJtr3IW5eYMtXDqM4RrbxhA1n2EAaZPVa5s= -----END CERTIFICATE----- libmicrohttpd-0.9.33/src/datadir/cert-and-key-for-wireshark.pem0000644000175000017500000000157312107242041021340 00000000000000-----BEGIN RSA PRIVATE KEY----- MIICXgIBAAKBgQDc1k7EFEspRcr6PdPmvAd02hBDUG2O5dDkoRK+6tgEBvQxsTxz 50TGwJ8RbSV+qUOnncZBwhnI4i71QSEezMP6I6liRA+fUtdh3cZFvdDpxgU6P15y 5JxfnnDeZJR5O4tfMxN99t34EOEMruZZ0CNYJJgbmIteE0hLI418oUs7cwIDAQAB AoGAW3WOLXrSHge/pp/QkLCyzdw5/AblONdJCkcDQnp0eEaA/8uNY9sWCtJfjpIL g0eKs3KOV1GR6DZ0iDIvC1h2mO6pwyrJhRYHKPO9pnx7xpv1T9zYTuVwoMfVjPfO UCWFedSsSKR76+oP0TrwPDqp3JoMFcAyAqZKMg2JrRUpL3ECQQD92cVSYxSEKwX3 cHWXVp1mSkuRMR/KX70NC/9XpYr8FEjvtXBTkmp7oG3TaDwd6nhSAodtY+Zkseyj k5NXM6sNAkEA3rT6opc1YK0pL3uweg+AFP4lRUYrrft1bDELhLmVm9Nf4xEdTnDO IotiX4GYQ64Bm8J+yxVU204soGynVXbgfwJBALQLCqq+X0TGhvrSpnRqGET+mM4n u1Z7xMhGJBpz7TmQ4ZIya7K6fA+m3347xbeqHyB7brYlTrlIgIAcITqOCNkCQQDE 3tuJC34mHi0ASqkw3a7t39R2rpdCT733jEuQYrY8b9id061CgDnZE7o8j0VY3uOR G5gWUp8W1r5gemxaAqJlAkEAwVImBKyKy3oIMsd3WsoqYCMBM+cpX8H2JAEEISPT Y5zSPZ7kT9JgY2zJwXf3qL+uG1oKZ6f0wn4BYujctTbXwQ== -----END RSA PRIVATE KEY----- libmicrohttpd-0.9.33/src/datadir/spdy-draft.txt0000644000175000017500000032745212150154755016432 00000000000000 Network Working Group M. Belshe Internet-Draft Twist Expires: August 4, 2012 R. Peon Google, Inc Feb 2012 SPDY Protocol draft-mbelshe-httpbis-spdy-00 Abstract This document describes SPDY, a protocol designed for low-latency transport of content over the World Wide Web. SPDY introduces two layers of protocol. The lower layer is a general purpose framing layer which can be used atop a reliable transport (likely TCP) for multiplexed, prioritized, and compressed data communication of many concurrent streams. The upper layer of the protocol provides HTTP- like RFC2616 [RFC2616] semantics for compatibility with existing HTTP application servers. Status of this Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at http://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." This Internet-Draft will expire on August 4, 2012. Copyright Notice Copyright (c) 2012 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect Belshe & Peon Expires August 4, 2012 [Page 1] Internet-Draft SPDY Feb 2012 to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Table of Contents 1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1. Document Organization . . . . . . . . . . . . . . . . . . 4 1.2. Definitions . . . . . . . . . . . . . . . . . . . . . . . 5 2. SPDY Framing Layer . . . . . . . . . . . . . . . . . . . . . . 6 2.1. Session (Connections) . . . . . . . . . . . . . . . . . . 6 2.2. Framing . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2.1. Control frames . . . . . . . . . . . . . . . . . . . . 6 2.2.2. Data frames . . . . . . . . . . . . . . . . . . . . . 7 2.3. Streams . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3.1. Stream frames . . . . . . . . . . . . . . . . . . . . 9 2.3.2. Stream creation . . . . . . . . . . . . . . . . . . . 9 2.3.3. Stream priority . . . . . . . . . . . . . . . . . . . 10 2.3.4. Stream headers . . . . . . . . . . . . . . . . . . . . 10 2.3.5. Stream data exchange . . . . . . . . . . . . . . . . . 10 2.3.6. Stream half-close . . . . . . . . . . . . . . . . . . 10 2.3.7. Stream close . . . . . . . . . . . . . . . . . . . . . 11 2.4. Error Handling . . . . . . . . . . . . . . . . . . . . . . 11 2.4.1. Session Error Handling . . . . . . . . . . . . . . . . 11 2.4.2. Stream Error Handling . . . . . . . . . . . . . . . . 12 2.5. Data flow . . . . . . . . . . . . . . . . . . . . . . . . 12 2.6. Control frame types . . . . . . . . . . . . . . . . . . . 12 2.6.1. SYN_STREAM . . . . . . . . . . . . . . . . . . . . . . 12 2.6.2. SYN_REPLY . . . . . . . . . . . . . . . . . . . . . . 14 2.6.3. RST_STREAM . . . . . . . . . . . . . . . . . . . . . . 15 2.6.4. SETTINGS . . . . . . . . . . . . . . . . . . . . . . . 16 2.6.5. PING . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.6.6. GOAWAY . . . . . . . . . . . . . . . . . . . . . . . . 20 2.6.7. HEADERS . . . . . . . . . . . . . . . . . . . . . . . 21 2.6.8. WINDOW_UPDATE . . . . . . . . . . . . . . . . . . . . 22 2.6.9. CREDENTIAL . . . . . . . . . . . . . . . . . . . . . . 24 2.6.10. Name/Value Header Block . . . . . . . . . . . . . . . 26 3. HTTP Layering over SPDY . . . . . . . . . . . . . . . . . . . 33 3.1. Connection Management . . . . . . . . . . . . . . . . . . 33 3.1.1. Use of GOAWAY . . . . . . . . . . . . . . . . . . . . 33 3.2. HTTP Request/Response . . . . . . . . . . . . . . . . . . 34 3.2.1. Request . . . . . . . . . . . . . . . . . . . . . . . 34 3.2.2. Response . . . . . . . . . . . . . . . . . . . . . . . 35 3.2.3. Authentication . . . . . . . . . . . . . . . . . . . . 36 3.3. Server Push Transactions . . . . . . . . . . . . . . . . . 37 3.3.1. Server implementation . . . . . . . . . . . . . . . . 38 Belshe & Peon Expires August 4, 2012 [Page 2] Internet-Draft SPDY Feb 2012 3.3.2. Client implementation . . . . . . . . . . . . . . . . 39 4. Design Rationale and Notes . . . . . . . . . . . . . . . . . . 40 4.1. Separation of Framing Layer and Application Layer . . . . 40 4.2. Error handling - Framing Layer . . . . . . . . . . . . . . 40 4.3. One Connection Per Domain . . . . . . . . . . . . . . . . 40 4.4. Fixed vs Variable Length Fields . . . . . . . . . . . . . 41 4.5. Compression Context(s) . . . . . . . . . . . . . . . . . . 41 4.6. Unidirectional streams . . . . . . . . . . . . . . . . . . 42 4.7. Data Compression . . . . . . . . . . . . . . . . . . . . . 42 4.8. Server Push . . . . . . . . . . . . . . . . . . . . . . . 42 5. Security Considerations . . . . . . . . . . . . . . . . . . . 43 5.1. Use of Same-origin constraints . . . . . . . . . . . . . . 43 5.2. HTTP Headers and SPDY Headers . . . . . . . . . . . . . . 43 5.3. Cross-Protocol Attacks . . . . . . . . . . . . . . . . . . 43 5.4. Server Push Implicit Headers . . . . . . . . . . . . . . . 43 6. Privacy Considerations . . . . . . . . . . . . . . . . . . . . 44 6.1. Long Lived Connections . . . . . . . . . . . . . . . . . . 44 6.2. SETTINGS frame . . . . . . . . . . . . . . . . . . . . . . 44 7. Incompatibilities with SPDY draft #2 . . . . . . . . . . . . . 45 8. Requirements Notation . . . . . . . . . . . . . . . . . . . . 46 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 47 10. Normative References . . . . . . . . . . . . . . . . . . . . . 48 Appendix A. Changes . . . . . . . . . . . . . . . . . . . . . . . 50 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 51 Belshe & Peon Expires August 4, 2012 [Page 3] Internet-Draft SPDY Feb 2012 1. Overview One of the bottlenecks of HTTP implementations is that HTTP relies on multiple connections for concurrency. This causes several problems, including additional round trips for connection setup, slow-start delays, and connection rationing by the client, where it tries to avoid opening too many connections to any single server. HTTP pipelining helps some, but only achieves partial multiplexing. In addition, pipelining has proven non-deployable in existing browsers due to intermediary interference. SPDY adds a framing layer for multiplexing multiple, concurrent streams across a single TCP connection (or any reliable transport stream). The framing layer is optimized for HTTP-like request- response streams, such that applications which run over HTTP today can work over SPDY with little or no change on behalf of the web application writer. The SPDY session offers four improvements over HTTP: Multiplexed requests: There is no limit to the number of requests that can be issued concurrently over a single SPDY connection. Prioritized requests: Clients can request certain resources to be delivered first. This avoids the problem of congesting the network channel with non-critical resources when a high-priority request is pending. Compressed headers: Clients today send a significant amount of redundant data in the form of HTTP headers. Because a single web page may require 50 or 100 subrequests, this data is significant. Server pushed streams: Server Push enables content to be pushed from servers to clients without a request. SPDY attempts to preserve the existing semantics of HTTP. All features such as cookies, ETags, Vary headers, Content-Encoding negotiations, etc work as they do with HTTP; SPDY only replaces the way the data is written to the network. 1.1. Document Organization The SPDY Specification is split into two parts: a framing layer (Section 2), which multiplexes a TCP connection into independent, length-prefixed frames, and an HTTP layer (Section 3), which specifies the mechanism for overlaying HTTP request/response pairs on top of the framing layer. While some of the framing layer concepts are isolated from the HTTP layer, building a generic framing layer Belshe & Peon Expires August 4, 2012 [Page 4] Internet-Draft SPDY Feb 2012 has not been a goal. The framing layer is tailored to the needs of the HTTP protocol and server push. 1.2. Definitions client: The endpoint initiating the SPDY session. connection: A transport-level connection between two endpoints. endpoint: Either the client or server of a connection. frame: A header-prefixed sequence of bytes sent over a SPDY session. server: The endpoint which did not initiate the SPDY session. session: A synonym for a connection. session error: An error on the SPDY session. stream: A bi-directional flow of bytes across a virtual channel within a SPDY session. stream error: An error on an individual SPDY stream. Belshe & Peon Expires August 4, 2012 [Page 5] Internet-Draft SPDY Feb 2012 2. SPDY Framing Layer 2.1. Session (Connections) The SPDY framing layer (or "session") runs atop a reliable transport layer such as TCP [RFC0793]. The client is the TCP connection initiator. SPDY connections are persistent connections. For best performance, it is expected that clients will not close open connections until the user navigates away from all web pages referencing a connection, or until the server closes the connection. Servers are encouraged to leave connections open for as long as possible, but can terminate idle connections if necessary. When either endpoint closes the transport-level connection, it MUST first send a GOAWAY (Section 2.6.6) frame so that the endpoints can reliably determine if requests finished before the close. 2.2. Framing Once the connection is established, clients and servers exchange framed messages. There are two types of frames: control frames (Section 2.2.1) and data frames (Section 2.2.2). Frames always have a common header which is 8 bytes in length. The first bit is a control bit indicating whether a frame is a control frame or data frame. Control frames carry a version number, a frame type, flags, and a length. Data frames contain the stream ID, flags, and the length for the payload carried after the common header. The simple header is designed to make reading and writing of frames easy. All integer values, including length, version, and type, are in network byte order. SPDY does not enforce alignment of types in dynamically sized frames. 2.2.1. Control frames +----------------------------------+ |C| Version(15bits) | Type(16bits) | +----------------------------------+ | Flags (8) | Length (24 bits) | +----------------------------------+ | Data | +----------------------------------+ Control bit: The 'C' bit is a single bit indicating if this is a control message. For control frames this value is always 1. Belshe & Peon Expires August 4, 2012 [Page 6] Internet-Draft SPDY Feb 2012 Version: The version number of the SPDY protocol. This document describes SPDY version 3. Type: The type of control frame. See Control Frames for the complete list of control frames. Flags: Flags related to this frame. Flags for control frames and data frames are different. Length: An unsigned 24-bit value representing the number of bytes after the length field. Data: data associated with this control frame. The format and length of this data is controlled by the control frame type. Control frame processing requirements: Note that full length control frames (16MB) can be large for implementations running on resource-limited hardware. In such cases, implementations MAY limit the maximum length frame supported. However, all implementations MUST be able to receive control frames of at least 8192 octets in length. 2.2.2. Data frames +----------------------------------+ |C| Stream-ID (31bits) | +----------------------------------+ | Flags (8) | Length (24 bits) | +----------------------------------+ | Data | +----------------------------------+ Control bit: For data frames this value is always 0. Stream-ID: A 31-bit value identifying the stream. Flags: Flags related to this frame. Valid flags are: 0x01 = FLAG_FIN - signifies that this frame represents the last frame to be transmitted on this stream. See Stream Close (Section 2.3.7) below. 0x02 = FLAG_COMPRESS - indicates that the data in this frame has been compressed. Length: An unsigned 24-bit value representing the number of bytes after the length field. The total size of a data frame is 8 bytes + Belshe & Peon Expires August 4, 2012 [Page 7] Internet-Draft SPDY Feb 2012 length. It is valid to have a zero-length data frame. Data: The variable-length data payload; the length was defined in the length field. Data frame processing requirements: If an endpoint receives a data frame for a stream-id which is not open and the endpoint has not sent a GOAWAY (Section 2.6.6) frame, it MUST send issue a stream error (Section 2.4.2) with the error code INVALID_STREAM for the stream-id. If the endpoint which created the stream receives a data frame before receiving a SYN_REPLY on that stream, it is a protocol error, and the recipient MUST issue a stream error (Section 2.4.2) with the status code PROTOCOL_ERROR for the stream-id. Implementors note: If an endpoint receives multiple data frames for invalid stream-ids, it MAY close the session. All SPDY endpoints MUST accept compressed data frames. Compression of data frames is always done using zlib compression. Each stream initializes and uses its own compression context dedicated to use within that stream. Endpoints are encouraged to use application level compression rather than SPDY stream level compression. Each SPDY stream sending compressed frames creates its own zlib context for that stream, and these compression contexts MUST be distinct from the compression contexts used with SYN_STREAM/ SYN_REPLY/HEADER compression. (Thus, if both endpoints of a stream are compressing data on the stream, there will be two zlib contexts, one for sending and one for receiving). 2.3. Streams Streams are independent sequences of bi-directional data divided into frames with several properties: Streams may be created by either the client or server. Streams optionally carry a set of name/value header pairs. Streams can concurrently send data interleaved with other streams. Streams may be cancelled. Belshe & Peon Expires August 4, 2012 [Page 8] Internet-Draft SPDY Feb 2012 2.3.1. Stream frames SPDY defines 3 control frames to manage the lifecycle of a stream: SYN_STREAM - Open a new stream SYN_REPLY - Remote acknowledgement of a new, open stream RST_STREAM - Close a stream 2.3.2. Stream creation A stream is created by sending a control frame with the type set to SYN_STREAM (Section 2.6.1). If the server is initiating the stream, the Stream-ID must be even. If the client is initiating the stream, the Stream-ID must be odd. 0 is not a valid Stream-ID. Stream-IDs from each side of the connection must increase monotonically as new streams are created. E.g. Stream 2 may be created after stream 3, but stream 7 must not be created after stream 9. Stream IDs do not wrap: when a client or server cannot create a new stream id without exceeding a 31 bit value, it MUST NOT create a new stream. The stream-id MUST increase with each new stream. If an endpoint receives a SYN_STREAM with a stream id which is less than any previously received SYN_STREAM, it MUST issue a session error (Section 2.4.1) with the status PROTOCOL_ERROR. It is a protocol error to send two SYN_STREAMs with the same stream-id. If a recipient receives a second SYN_STREAM for the same stream, it MUST issue a stream error (Section 2.4.2) with the status code PROTOCOL_ERROR. Upon receipt of a SYN_STREAM, the recipient can reject the stream by sending a stream error (Section 2.4.2) with the error code REFUSED_STREAM. Note, however, that the creating endpoint may have already sent additional frames for that stream which cannot be immediately stopped. Once the stream is created, the creator may immediately send HEADERS or DATA frames for that stream, without needing to wait for the recipient to acknowledge. 2.3.2.1. Unidirectional streams When an endpoint creates a stream with the FLAG_UNIDIRECTIONAL flag set, it creates a unidirectional stream which the creating endpoint can use to send frames, but the receiving endpoint cannot. The receiving endpoint is implicitly already in the half-closed Belshe & Peon Expires August 4, 2012 [Page 9] Internet-Draft SPDY Feb 2012 (Section 2.3.6) state. 2.3.2.2. Bidirectional streams SYN_STREAM frames which do not use the FLAG_UNIDIRECTIONAL flag are bidirectional streams. Both endpoints can send data on a bi- directional stream. 2.3.3. Stream priority The creator of a stream assigns a priority for that stream. Priority is represented as an integer from 0 to 7. 0 represents the highest priority and 7 represents the lowest priority. The sender and recipient SHOULD use best-effort to process streams in the order of highest priority to lowest priority. 2.3.4. Stream headers Streams carry optional sets of name/value pair headers which carry metadata about the stream. After the stream has been created, and as long as the sender is not closed (Section 2.3.7) or half-closed (Section 2.3.6), each side may send HEADERS frame(s) containing the header data. Header data can be sent in multiple HEADERS frames, and HEADERS frames may be interleaved with data frames. 2.3.5. Stream data exchange Once a stream is created, it can be used to send arbitrary amounts of data. Generally this means that a series of data frames will be sent on the stream until a frame containing the FLAG_FIN flag is set. The FLAG_FIN can be set on a SYN_STREAM (Section 2.6.1), SYN_REPLY (Section 2.6.2), HEADERS (Section 2.6.7) or a DATA (Section 2.2.2) frame. Once the FLAG_FIN has been sent, the stream is considered to be half-closed. 2.3.6. Stream half-close When one side of the stream sends a frame with the FLAG_FIN flag set, the stream is half-closed from that endpoint. The sender of the FLAG_FIN MUST NOT send further frames on that stream. When both sides have half-closed, the stream is closed. If an endpoint receives a data frame after the stream is half-closed from the sender (e.g. the endpoint has already received a prior frame for the stream with the FIN flag set), it MUST send a RST_STREAM to the sender with the status STREAM_ALREADY_CLOSED. Belshe & Peon Expires August 4, 2012 [Page 10] Internet-Draft SPDY Feb 2012 2.3.7. Stream close There are 3 ways that streams can be terminated: Normal termination: Normal stream termination occurs when both sender and recipient have half-closed the stream by sending a FLAG_FIN. Abrupt termination: Either the client or server can send a RST_STREAM control frame at any time. A RST_STREAM contains an error code to indicate the reason for failure. When a RST_STREAM is sent from the stream originator, it indicates a failure to complete the stream and that no further data will be sent on the stream. When a RST_STREAM is sent from the stream recipient, the sender, upon receipt, should stop sending any data on the stream. The stream recipient should be aware that there is a race between data already in transit from the sender and the time the RST_STREAM is received. See Stream Error Handling (Section 2.4.2) TCP connection teardown: If the TCP connection is torn down while un-closed streams exist, then the endpoint must assume that the stream was abnormally interrupted and may be incomplete. If an endpoint receives a data frame after the stream is closed, it must send a RST_STREAM to the sender with the status PROTOCOL_ERROR. 2.4. Error Handling The SPDY framing layer has only two types of errors, and they are always handled consistently. Any reference in this specification to "issue a session error" refers to Section 2.4.1. Any reference to "issue a stream error" refers to Section 2.4.2. 2.4.1. Session Error Handling A session error is any error which prevents further processing of the framing layer or which corrupts the session compression state. When a session error occurs, the endpoint encountering the error MUST first send a GOAWAY (Section 2.6.6) frame with the stream id of most recently received stream from the remote endpoint, and the error code for why the session is terminating. After sending the GOAWAY frame, the endpoint MUST close the TCP connection. Note that the session compression state is dependent upon both endpoints always processing all compressed data. If an endpoint partially processes a frame containing compressed data without updating compression state properly, future control frames which use compression will be always be errored. Implementations SHOULD always Belshe & Peon Expires August 4, 2012 [Page 11] Internet-Draft SPDY Feb 2012 try to process compressed data so that errors which could be handled as stream errors do not become session errors. Note that because this GOAWAY is sent during a session error case, it is possible that the GOAWAY will not be reliably received by the receiving endpoint. It is a best-effort attempt to communicate with the remote about why the session is going down. 2.4.2. Stream Error Handling A stream error is an error related to a specific stream-id which does not affect processing of other streams at the framing layer. Upon a stream error, the endpoint MUST send a RST_STREAM (Section 2.6.3) frame which contains the stream id of the stream where the error occurred and the error status which caused the error. After sending the RST_STREAM, the stream is closed to the sending endpoint. After sending the RST_STREAM, if the sender receives any frames other than a RST_STREAM for that stream id, it will result in sending additional RST_STREAM frames. An endpoint MUST NOT send a RST_STREAM in response to an RST_STREAM, as doing so would lead to RST_STREAM loops. Sending a RST_STREAM does not cause the SPDY session to be closed. If an endpoint has multiple RST_STREAM frames to send in succession for the same stream-id and the same error code, it MAY coalesce them into a single RST_STREAM frame. (This can happen if a stream is closed, but the remote sends multiple data frames. There is no reason to send a RST_STREAM for each frame in succession). 2.5. Data flow Because TCP provides a single stream of data on which SPDY multiplexes multiple logical streams, clients and servers must intelligently interleave data messages for concurrent sessions. 2.6. Control frame types 2.6.1. SYN_STREAM The SYN_STREAM control frame allows the sender to asynchronously create a stream between the endpoints. See Stream Creation (Section 2.3.2) Belshe & Peon Expires August 4, 2012 [Page 12] Internet-Draft SPDY Feb 2012 +------------------------------------+ |1| version | 1 | +------------------------------------+ | Flags (8) | Length (24 bits) | +------------------------------------+ |X| Stream-ID (31bits) | +------------------------------------+ |X| Associated-To-Stream-ID (31bits) | +------------------------------------+ | Pri|Unused | Slot | | +-------------------+ | | Number of Name/Value pairs (int32) | <+ +------------------------------------+ | | Length of name (int32) | | This section is the "Name/Value +------------------------------------+ | Header Block", and is compressed. | Name (string) | | +------------------------------------+ | | Length of value (int32) | | +------------------------------------+ | | Value (string) | | +------------------------------------+ | | (repeats) | <+ Flags: Flags related to this frame. Valid flags are: 0x01 = FLAG_FIN - marks this frame as the last frame to be transmitted on this stream and puts the sender in the half-closed (Section 2.3.6) state. 0x02 = FLAG_UNIDIRECTIONAL - a stream created with this flag puts the recipient in the half-closed (Section 2.3.6) state. Length: The length is the number of bytes which follow the length field in the frame. For SYN_STREAM frames, this is 10 bytes plus the length of the compressed Name/Value block. Stream-ID: The 31-bit identifier for this stream. This stream-id will be used in frames which are part of this stream. Associated-To-Stream-ID: The 31-bit identifier for a stream which this stream is associated to. If this stream is independent of all other streams, it should be 0. Priority: A 3-bit priority (Section 2.3.3) field. Unused: 5 bits of unused space, reserved for future use. Slot: An 8 bit unsigned integer specifying the index in the server's Belshe & Peon Expires August 4, 2012 [Page 13] Internet-Draft SPDY Feb 2012 CREDENTIAL vector of the client certificate to be used for this request. see CREDENTIAL frame (Section 2.6.9). The value 0 means no client certificate should be associated with this stream. Name/Value Header Block: A set of name/value pairs carried as part of the SYN_STREAM. see Name/Value Header Block (Section 2.6.10). If an endpoint receives a SYN_STREAM which is larger than the implementation supports, it MAY send a RST_STREAM with error code FRAME_TOO_LARGE. All implementations MUST support the minimum size limits defined in the Control Frames section (Section 2.2.1). 2.6.2. SYN_REPLY SYN_REPLY indicates the acceptance of a stream creation by the recipient of a SYN_STREAM frame. +------------------------------------+ |1| version | 2 | +------------------------------------+ | Flags (8) | Length (24 bits) | +------------------------------------+ |X| Stream-ID (31bits) | +------------------------------------+ | Number of Name/Value pairs (int32) | <+ +------------------------------------+ | | Length of name (int32) | | This section is the "Name/Value +------------------------------------+ | Header Block", and is compressed. | Name (string) | | +------------------------------------+ | | Length of value (int32) | | +------------------------------------+ | | Value (string) | | +------------------------------------+ | | (repeats) | <+ Flags: Flags related to this frame. Valid flags are: 0x01 = FLAG_FIN - marks this frame as the last frame to be transmitted on this stream and puts the sender in the half-closed (Section 2.3.6) state. Length: The length is the number of bytes which follow the length field in the frame. For SYN_REPLY frames, this is 4 bytes plus the length of the compressed Name/Value block. Stream-ID: The 31-bit identifier for this stream. Belshe & Peon Expires August 4, 2012 [Page 14] Internet-Draft SPDY Feb 2012 If an endpoint receives multiple SYN_REPLY frames for the same active stream ID, it MUST issue a stream error (Section 2.4.2) with the error code STREAM_IN_USE. Name/Value Header Block: A set of name/value pairs carried as part of the SYN_STREAM. see Name/Value Header Block (Section 2.6.10). If an endpoint receives a SYN_REPLY which is larger than the implementation supports, it MAY send a RST_STREAM with error code FRAME_TOO_LARGE. All implementations MUST support the minimum size limits defined in the Control Frames section (Section 2.2.1). 2.6.3. RST_STREAM The RST_STREAM frame allows for abnormal termination of a stream. When sent by the creator of a stream, it indicates the creator wishes to cancel the stream. When sent by the recipient of a stream, it indicates an error or that the recipient did not want to accept the stream, so the stream should be closed. +----------------------------------+ |1| version | 3 | +----------------------------------+ | Flags (8) | 8 | +----------------------------------+ |X| Stream-ID (31bits) | +----------------------------------+ | Status code | +----------------------------------+ Flags: Flags related to this frame. RST_STREAM does not define any flags. This value must be 0. Length: An unsigned 24-bit value representing the number of bytes after the length field. For RST_STREAM control frames, this value is always 8. Stream-ID: The 31-bit identifier for this stream. Status code: (32 bits) An indicator for why the stream is being terminated.The following status codes are defined: 1 - PROTOCOL_ERROR. This is a generic error, and should only be used if a more specific error is not available. 2 - INVALID_STREAM. This is returned when a frame is received for a stream which is not active. Belshe & Peon Expires August 4, 2012 [Page 15] Internet-Draft SPDY Feb 2012 3 - REFUSED_STREAM. Indicates that the stream was refused before any processing has been done on the stream. 4 - UNSUPPORTED_VERSION. Indicates that the recipient of a stream does not support the SPDY version requested. 5 - CANCEL. Used by the creator of a stream to indicate that the stream is no longer needed. 6 - INTERNAL_ERROR. This is a generic error which can be used when the implementation has internally failed, not due to anything in the protocol. 7 - FLOW_CONTROL_ERROR. The endpoint detected that its peer violated the flow control protocol. 8 - STREAM_IN_USE. The endpoint received a SYN_REPLY for a stream already open. 9 - STREAM_ALREADY_CLOSED. The endpoint received a data or SYN_REPLY frame for a stream which is half closed. 10 - INVALID_CREDENTIALS. The server received a request for a resource whose origin does not have valid credentials in the client certificate vector. 11 - FRAME_TOO_LARGE. The endpoint received a frame which this implementation could not support. If FRAME_TOO_LARGE is sent for a SYN_STREAM, HEADERS, or SYN_REPLY frame without fully processing the compressed portion of those frames, then the compression state will be out-of-sync with the other endpoint. In this case, senders of FRAME_TOO_LARGE MUST close the session. Note: 0 is not a valid status code for a RST_STREAM. After receiving a RST_STREAM on a stream, the recipient must not send additional frames for that stream, and the stream moves into the closed state. 2.6.4. SETTINGS A SETTINGS frame contains a set of id/value pairs for communicating configuration data about how the two endpoints may communicate. SETTINGS frames can be sent at any time by either endpoint, are optionally sent, and are fully asynchronous. When the server is the sender, the sender can request that configuration data be persisted by the client across SPDY sessions and returned to the server in future communications. Belshe & Peon Expires August 4, 2012 [Page 16] Internet-Draft SPDY Feb 2012 Persistence of SETTINGS ID/Value pairs is done on a per origin/IP pair (the "origin" is the set of scheme, host, and port from the URI. See [RFC6454]). That is, when a client connects to a server, and the server persists settings within the client, the client SHOULD return the persisted settings on future connections to the same origin AND IP address and TCP port. Clients MUST NOT request servers to use the persistence features of the SETTINGS frames, and servers MUST ignore persistence related flags sent by a client. +----------------------------------+ |1| version | 4 | +----------------------------------+ | Flags (8) | Length (24 bits) | +----------------------------------+ | Number of entries | +----------------------------------+ | ID/Value Pairs | | ... | Control bit: The control bit is always 1 for this message. Version: The SPDY version number. Type: The message type for a SETTINGS message is 4. Flags: FLAG_SETTINGS_CLEAR_SETTINGS (0x1): When set, the client should clear any previously persisted SETTINGS ID/Value pairs. If this frame contains ID/Value pairs with the FLAG_SETTINGS_PERSIST_VALUE set, then the client will first clear its existing, persisted settings, and then persist the values with the flag set which are contained within this frame. Because persistence is only implemented on the client, this flag can only be used when the sender is the server. Length: An unsigned 24-bit value representing the number of bytes after the length field. The total size of a SETTINGS frame is 8 bytes + length. Number of entries: A 32-bit value representing the number of ID/value pairs in this message. ID: A 32-bit ID number, comprised of 8 bits of flags and 24 bits of unique ID. ID.flags: FLAG_SETTINGS_PERSIST_VALUE (0x1): When set, the sender of this SETTINGS frame is requesting that the recipient persist the ID/ Belshe & Peon Expires August 4, 2012 [Page 17] Internet-Draft SPDY Feb 2012 Value and return it in future SETTINGS frames sent from the sender to this recipient. Because persistence is only implemented on the client, this flag is only sent by the server. FLAG_SETTINGS_PERSISTED (0x2): When set, the sender is notifying the recipient that this ID/Value pair was previously sent to the sender by the recipient with the FLAG_SETTINGS_PERSIST_VALUE, and the sender is returning it. Because persistence is only implemented on the client, this flag is only sent by the client. Defined IDs: 1 - SETTINGS_UPLOAD_BANDWIDTH allows the sender to send its expected upload bandwidth on this channel. This number is an estimate. The value should be the integral number of kilobytes per second that the sender predicts as an expected maximum upload channel capacity. 2 - SETTINGS_DOWNLOAD_BANDWIDTH allows the sender to send its expected download bandwidth on this channel. This number is an estimate. The value should be the integral number of kilobytes per second that the sender predicts as an expected maximum download channel capacity. 3 - SETTINGS_ROUND_TRIP_TIME allows the sender to send its expected round-trip-time on this channel. The round trip time is defined as the minimum amount of time to send a control frame from this client to the remote and receive a response. The value is represented in milliseconds. 4 - SETTINGS_MAX_CONCURRENT_STREAMS allows the sender to inform the remote endpoint the maximum number of concurrent streams which it will allow. By default there is no limit. For implementors it is recommended that this value be no smaller than 100. 5 - SETTINGS_CURRENT_CWND allows the sender to inform the remote endpoint of the current TCP CWND value. 6 - SETTINGS_DOWNLOAD_RETRANS_RATE allows the sender to inform the remote endpoint the retransmission rate (bytes retransmitted / total bytes transmitted). 7 - SETTINGS_INITIAL_WINDOW_SIZE allows the sender to inform the remote endpoint the initial window size (in bytes) for new streams. Belshe & Peon Expires August 4, 2012 [Page 18] Internet-Draft SPDY Feb 2012 8 - SETTINGS_CLIENT_CERTIFICATE_VECTOR_SIZE allows the server to inform the client if the new size of the client certificate vector. Value: A 32-bit value. The message is intentionally extensible for future information which may improve client-server communications. The sender does not need to send every type of ID/value. It must only send those for which it has accurate values to convey. When multiple ID/value pairs are sent, they should be sent in order of lowest id to highest id. A single SETTINGS frame MUST not contain multiple values for the same ID. If the recipient of a SETTINGS frame discovers multiple values for the same ID, it MUST ignore all values except the first one. A server may send multiple SETTINGS frames containing different ID/ Value pairs. When the same ID/Value is sent twice, the most recent value overrides any previously sent values. If the server sends IDs 1, 2, and 3 with the FLAG_SETTINGS_PERSIST_VALUE in a first SETTINGS frame, and then sends IDs 4 and 5 with the FLAG_SETTINGS_PERSIST_VALUE, when the client returns the persisted state on its next SETTINGS frame, it SHOULD send all 5 settings (1, 2, 3, 4, and 5 in this example) to the server. 2.6.5. PING The PING control frame is a mechanism for measuring a minimal round- trip time from the sender. It can be sent from the client or the server. Recipients of a PING frame should send an identical frame to the sender as soon as possible (if there is other pending data waiting to be sent, PING should take highest priority). Each ping sent by a sender should use a unique ID. +----------------------------------+ |1| version | 6 | +----------------------------------+ | 0 (flags) | 4 (length) | +----------------------------------| | 32-bit ID | +----------------------------------+ Control bit: The control bit is always 1 for this message. Version: The SPDY version number. Type: The message type for a PING message is 6. Length: This frame is always 4 bytes long. Belshe & Peon Expires August 4, 2012 [Page 19] Internet-Draft SPDY Feb 2012 ID: A unique ID for this ping, represented as an unsigned 32 bit value. When the client initiates a ping, it must use an odd numbered ID. When the server initiates a ping, it must use an even numbered ping. Use of odd/even IDs is required in order to avoid accidental looping on PINGs (where each side initiates an identical PING at the same time). Note: If a sender uses all possible PING ids (e.g. has sent all 2^31 possible IDs), it can wrap and start re-using IDs. If a server receives an even numbered PING which it did not initiate, it must ignore the PING. If a client receives an odd numbered PING which it did not initiate, it must ignore the PING. 2.6.6. GOAWAY The GOAWAY control frame is a mechanism to tell the remote side of the connection to stop creating streams on this session. It can be sent from the client or the server. Once sent, the sender will not respond to any new SYN_STREAMs on this session. Recipients of a GOAWAY frame must not send additional streams on this session, although a new session can be established for new streams. The purpose of this message is to allow an endpoint to gracefully stop accepting new streams (perhaps for a reboot or maintenance), while still finishing processing of previously established streams. There is an inherent race condition between an endpoint sending SYN_STREAMs and the remote sending a GOAWAY message. To deal with this case, the GOAWAY contains a last-stream-id indicating the stream-id of the last stream which was created on the sending endpoint in this session. If the receiver of the GOAWAY sent new SYN_STREAMs for sessions after this last-stream-id, they were not processed by the server and the receiver may treat the stream as though it had never been created at all (hence the receiver may want to re-create the stream later on a new session). Endpoints should always send a GOAWAY message before closing a connection so that the remote can know whether a stream has been partially processed or not. (For example, if an HTTP client sends a POST at the same time that a server closes a connection, the client cannot know if the server started to process that POST request if the server does not send a GOAWAY frame to indicate where it stopped working). After sending a GOAWAY message, the sender must ignore all SYN_STREAM frames for new streams. Belshe & Peon Expires August 4, 2012 [Page 20] Internet-Draft SPDY Feb 2012 +----------------------------------+ |1| version | 7 | +----------------------------------+ | 0 (flags) | 8 (length) | +----------------------------------| |X| Last-good-stream-ID (31 bits) | +----------------------------------+ | Status code | +----------------------------------+ Control bit: The control bit is always 1 for this message. Version: The SPDY version number. Type: The message type for a GOAWAY message is 7. Length: This frame is always 8 bytes long. Last-good-stream-Id: The last stream id which was replied to (with either a SYN_REPLY or RST_STREAM) by the sender of the GOAWAY message. If no streams were replied to, this value MUST be 0. Status: The reason for closing the session. 0 - OK. This is a normal session teardown. 1 - PROTOCOL_ERROR. This is a generic error, and should only be used if a more specific error is not available. 11 - INTERNAL_ERROR. This is a generic error which can be used when the implementation has internally failed, not due to anything in the protocol. 2.6.7. HEADERS The HEADERS frame augments a stream with additional headers. It may be optionally sent on an existing stream at any time. Specific application of the headers in this frame is application-dependent. The name/value header block within this frame is compressed. Belshe & Peon Expires August 4, 2012 [Page 21] Internet-Draft SPDY Feb 2012 +------------------------------------+ |1| version | 8 | +------------------------------------+ | Flags (8) | Length (24 bits) | +------------------------------------+ |X| Stream-ID (31bits) | +------------------------------------+ | Number of Name/Value pairs (int32) | <+ +------------------------------------+ | | Length of name (int32) | | This section is the "Name/Value +------------------------------------+ | Header Block", and is compressed. | Name (string) | | +------------------------------------+ | | Length of value (int32) | | +------------------------------------+ | | Value (string) | | +------------------------------------+ | | (repeats) | <+ Flags: Flags related to this frame. Valid flags are: 0x01 = FLAG_FIN - marks this frame as the last frame to be transmitted on this stream and puts the sender in the half-closed (Section 2.3.6) state. Length: An unsigned 24 bit value representing the number of bytes after the length field. The minimum length of the length field is 4 (when the number of name value pairs is 0). Stream-ID: The stream this HEADERS block is associated with. Name/Value Header Block: A set of name/value pairs carried as part of the SYN_STREAM. see Name/Value Header Block (Section 2.6.10). 2.6.8. WINDOW_UPDATE The WINDOW_UPDATE control frame is used to implement per stream flow control in SPDY. Flow control in SPDY is per hop, that is, only between the two endpoints of a SPDY connection. If there are one or more intermediaries between the client and the origin server, flow control signals are not explicitly forwarded by the intermediaries. (However, throttling of data transfer by any recipient may have the effect of indirectly propagating flow control information upstream back to the original sender.) Flow control only applies to the data portion of data frames. Recipients must buffer all control frames. If a recipient fails to buffer an entire control frame, it MUST issue a stream error (Section 2.4.2) with the status code FLOW_CONTROL_ERROR for the stream. Belshe & Peon Expires August 4, 2012 [Page 22] Internet-Draft SPDY Feb 2012 Flow control in SPDY is implemented by a data transfer window kept by the sender of each stream. The data transfer window is a simple uint32 that indicates how many bytes of data the sender can transmit. After a stream is created, but before any data frames have been transmitted, the sender begins with the initial window size. This window size is a measure of the buffering capability of the recipient. The sender must not send a data frame with data length greater than the transfer window size. After sending each data frame, the sender decrements its transfer window size by the amount of data transmitted. When the window size becomes less than or equal to 0, the sender must pause transmitting data frames. At the other end of the stream, the recipient sends a WINDOW_UPDATE control back to notify the sender that it has consumed some data and freed up buffer space to receive more data. +----------------------------------+ |1| version | 9 | +----------------------------------+ | 0 (flags) | 8 (length) | +----------------------------------+ |X| Stream-ID (31-bits) | +----------------------------------+ |X| Delta-Window-Size (31-bits) | +----------------------------------+ Control bit: The control bit is always 1 for this message. Version: The SPDY version number. Type: The message type for a WINDOW_UPDATE message is 9. Length: The length field is always 8 for this frame (there are 8 bytes after the length field). Stream-ID: The stream ID that this WINDOW_UPDATE control frame is for. Delta-Window-Size: The additional number of bytes that the sender can transmit in addition to existing remaining window size. The legal range for this field is 1 to 2^31 - 1 (0x7fffffff) bytes. The window size as kept by the sender must never exceed 2^31 (although it can become negative in one special case). If a sender receives a WINDOW_UPDATE that causes the its window size to exceed this limit, it must send RST_STREAM with status code FLOW_CONTROL_ERROR to terminate the stream. When a SPDY connection is first established, the default initial Belshe & Peon Expires August 4, 2012 [Page 23] Internet-Draft SPDY Feb 2012 window size for all streams is 64KB. An endpoint can use the SETTINGS control frame to adjust the initial window size for the connection. That is, its peer can start out using the 64KB default initial window size when sending data frames before receiving the SETTINGS. Because SETTINGS is asynchronous, there may be a race condition if the recipient wants to decrease the initial window size, but its peer immediately sends 64KB on the creation of a new connection, before waiting for the SETTINGS to arrive. This is one case where the window size kept by the sender will become negative. Once the sender detects this condition, it must stop sending data frames and wait for the recipient to catch up. The recipient has two choices: immediately send RST_STREAM with FLOW_CONTROL_ERROR status code. allow the head of line blocking (as there is only one stream for the session and the amount of data in flight is bounded by the default initial window size), and send WINDOW_UPDATE as it consumes data. In the case of option 2, both sides must compute the window size based on the initial window size in the SETTINGS. For example, if the recipient sets the initial window size to be 16KB, and the sender sends 64KB immediately on connection establishment, the sender will discover its window size is -48KB on receipt of the SETTINGS. As the recipient consumes the first 16KB, it must send a WINDOW_UPDATE of 16KB back to the sender. This interaction continues until the sender's window size becomes positive again, and it can resume transmitting data frames. After the recipient reads in a data frame with FLAG_FIN that marks the end of the data stream, it should not send WINDOW_UPDATE frames as it consumes the last data frame. A sender should ignore all the WINDOW_UPDATE frames associated with the stream after it send the last frame for the stream. The data frames from the sender and the WINDOW_UPDATE frames from the recipient are completely asynchronous with respect to each other. This property allows a recipient to aggressively update the window size kept by the sender to prevent the stream from stalling. 2.6.9. CREDENTIAL The CREDENTIAL control frame is used by the client to send additional client certificates to the server. A SPDY client may decide to send requests for resources from different origins on the same SPDY session if it decides that that server handles both origins. For example if the IP address associated with both hostnames matches and Belshe & Peon Expires August 4, 2012 [Page 24] Internet-Draft SPDY Feb 2012 the SSL server certificate presented in the initial handshake is valid for both hostnames. However, because the SSL connection can contain at most one client certificate, the client needs a mechanism to send additional client certificates to the server. The server is required to maintain a vector of client certificates associated with a SPDY session. When the client needs to send a client certificate to the server, it will send a CREDENTIAL frame that specifies the index of the slot in which to store the certificate as well as proof that the client posesses the corresponding private key. The initial size of this vector must be 8. If the client provides a client certificate during the first TLS handshake, the contents of this certificate must be copied into the first slot (index 1) in the CREDENTIAL vector, though it may be overwritten by subsequent CREDENTIAL frames. The server must exclusively use the CREDNETIAL vector when evaluating the client certificates associated with an origin. The server may change the size of this vector by sending a SETTINGS frame with the setting SETTINGS_CLIENT_CERTIFICATE_VECTOR_SIZE value specified. In the event that the new size is smaller than the current size, truncation occurs preserving lower-index slots as possible. TLS renegotiation with client authentication is incompatible with SPDY given the multiplexed nature of SPDY. Specifically, imagine that the client has 2 requests outstanding to the server for two different pages (in different tabs). When the renegotiation + client certificate request comes in, the browser is unable to determine which resource triggered the client certificate request, in order to prompt the user accordingly. +----------------------------------+ |1|000000000000001|0000000000001011| +----------------------------------+ | flags (8) | Length (24 bits) | +----------------------------------+ | Slot (16 bits) | | +-----------------+ | | Proof Length (32 bits) | +----------------------------------+ | Proof | +----------------------------------+ <+ | Certificate Length (32 bits) | | +----------------------------------+ | Repeated until end of frame | Certificate | | +----------------------------------+ <+ Slot: The index in the server's client certificate vector where this certificate should be stored. If there is already a certificate Belshe & Peon Expires August 4, 2012 [Page 25] Internet-Draft SPDY Feb 2012 stored at this index, it will be overwritten. The index is one based, not zero based; zero is an invalid slot index. Proof: Cryptographic proof that the client has possession of the private key associated with the certificate. The format is a TLS digitally-signed element (http://tools.ietf.org/html/rfc5246#section-4.7). The signature algorithm must be the same as that used in the CertificateVerify message. However, since the MD5+SHA1 signature type used in TLS 1.0 connections can not be correctly encoded in a digitally-signed element, SHA1 must be used when MD5+SHA1 was used in the SSL connection. The signature is calculated over a 32 byte TLS extractor value (http://tools.ietf.org/html/rfc5705) with a label of "EXPORTER SPDY certificate proof" using the empty string as context. ForRSA certificates the signature would be a PKCS#1 v1.5 signature. For ECDSA, it would be an ECDSA-Sig-Value (http://tools.ietf.org/html/rfc5480#appendix-A). For a 1024-bit RSA key, the CREDENTIAL message would be ~500 bytes. Certificate: The certificate chain, starting with the leaf certificate. Each certificate must be encoded as a 32 bit length, followed by a DER encoded certificate. The certificate must be of the same type (RSA, ECDSA, etc) as the client certificate associated with the SSL connection. If the server receives a request for a resource with unacceptable credential (either missing or invalid), it must reply with a RST_STREAM frame with the status code INVALID_CREDENTIALS. Upon receipt of a RST_STREAM frame with INVALID_CREDENTIALS, the client should initiate a new stream directly to the requested origin and resend the request. Note, SPDY does not allow the server to request different client authentication for different resources in the same origin. If the server receives an invalid CREDENTIAL frame, it MUST respond with a GOAWAY frame and shutdown the session. 2.6.10. Name/Value Header Block The Name/Value Header Block is found in the SYN_STREAM, SYN_REPLY and HEADERS control frames, and shares a common format: Belshe & Peon Expires August 4, 2012 [Page 26] Internet-Draft SPDY Feb 2012 +------------------------------------+ | Number of Name/Value pairs (int32) | +------------------------------------+ | Length of name (int32) | +------------------------------------+ | Name (string) | +------------------------------------+ | Length of value (int32) | +------------------------------------+ | Value (string) | +------------------------------------+ | (repeats) | Number of Name/Value pairs: The number of repeating name/value pairs following this field. List of Name/Value pairs: Length of Name: a 32-bit value containing the number of octets in the name field. Note that in practice, this length must not exceed 2^24, as that is the maximum size of a SPDY frame. Name: 0 or more octets, 8-bit sequences of data, excluding 0. Length of Value: a 32-bit value containing the number of octets in the value field. Note that in practice, this length must not exceed 2^24, as that is the maximum size of a SPDY frame. Value: 0 or more octets, 8-bit sequences of data, excluding 0. Each header name must have at least one value. Header names are encoded using the US-ASCII character set [ASCII] and must be all lower case. The length of each name must be greater than zero. A recipient of a zero-length name MUST issue a stream error (Section 2.4.2) with the status code PROTOCOL_ERROR for the stream-id. Duplicate header names are not allowed. To send two identically named headers, send a header with two values, where the values are separated by a single NUL (0) byte. A header value can either be empty (e.g. the length is zero) or it can contain multiple, NUL- separated values, each with length greater than zero. The value never starts nor ends with a NUL character. Recipients of illegal value fields MUST issue a stream error (Section 2.4.2) with the status code PROTOCOL_ERROR for the stream-id. Belshe & Peon Expires August 4, 2012 [Page 27] Internet-Draft SPDY Feb 2012 2.6.10.1. Compression The Name/Value Header Block is a section of the SYN_STREAM, SYN_REPLY, and HEADERS frames used to carry header meta-data. This block is always compressed using zlib compression. Within this specification, any reference to 'zlib' is referring to the ZLIB Compressed Data Format Specification Version 3.3 as part of RFC1950. [RFC1950] For each HEADERS compression instance, the initial state is initialized using the following dictionary [UDELCOMPRESSION]: const unsigned char SPDY_dictionary_txt[] = { 0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, \\ - - - - o p t i 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, \\ o n s - - - - h 0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, \\ e a d - - - - p 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, \\ o s t - - - - p 0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, \\ u t - - - - d e 0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, \\ l e t e - - - - 0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, \\ t r a c e - - - 0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, \\ - a c c e p t - 0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, \\ - - - a c c e p 0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, \\ t - c h a r s e 0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, \\ t - - - - a c c 0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, \\ e p t - e n c o 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, \\ d i n g - 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There is a single zlib stream for all name value pairs in one direction on a connection. SPDY uses a SYNC_FLUSH between each compressed frame. Implementation notes: the compression engine can be tuned to favor speed or size. Optimizing for size increases memory use and CPU consumption. Because header blocks are generally small, implementors may want to reduce the window-size of the compression engine from the default 15bits (a 32KB window) to more like 11bits (a 2KB window). The exact setting is chosen by the compressor, the decompressor will work with any setting. Belshe & Peon Expires August 4, 2012 [Page 32] Internet-Draft SPDY Feb 2012 3. HTTP Layering over SPDY SPDY is intended to be as compatible as possible with current web- based applications. This means that, from the perspective of the server business logic or application API, the features of HTTP are unchanged. To achieve this, all of the application request and response header semantics are preserved, although the syntax of conveying those semantics has changed. Thus, the rules from the HTTP/1.1 specification in RFC2616 [RFC2616] apply with the changes in the sections below. 3.1. Connection Management Clients SHOULD NOT open more than one SPDY session to a given origin [RFC6454] concurrently. Note that it is possible for one SPDY session to be finishing (e.g. a GOAWAY message has been sent, but not all streams have finished), while another SPDY session is starting. 3.1.1. Use of GOAWAY SPDY provides a GOAWAY message which can be used when closing a connection from either the client or server. Without a server GOAWAY message, HTTP has a race condition where the client sends a request (a new SYN_STREAM) just as the server is closing the connection, and the client cannot know if the server received the stream or not. By using the last-stream-id in the GOAWAY, servers can indicate to the client if a request was processed or not. Note that some servers will choose to send the GOAWAY and immediately terminate the connection without waiting for active streams to finish. The client will be able to determine this because SPDY streams are determinstically closed. This abrupt termination will force the client to heuristically decide whether to retry the pending requests. Clients always need to be capable of dealing with this case because they must deal with accidental connection termination cases, which are the same as the server never having sent a GOAWAY. More sophisticated servers will use GOAWAY to implement a graceful teardown. They will send the GOAWAY and provide some time for the active streams to finish before terminating the connection. If a SPDY client closes the connection, it should also send a GOAWAY message. This allows the server to know if any server-push streams were received by the client. If the endpoint closing the connection has not received any Belshe & Peon Expires August 4, 2012 [Page 33] Internet-Draft SPDY Feb 2012 SYN_STREAMs from the remote, the GOAWAY will contain a last-stream-id of 0. 3.2. HTTP Request/Response 3.2.1. Request The client initiates a request by sending a SYN_STREAM frame. For requests which do not contain a body, the SYN_STREAM frame MUST set the FLAG_FIN, indicating that the client intends to send no further data on this stream. For requests which do contain a body, the SYN_STREAM will not contain the FLAG_FIN, and the body will follow the SYN_STREAM in a series of DATA frames. The last DATA frame will set the FLAG_FIN to indicate the end of the body. The SYN_STREAM Name/Value section will contain all of the HTTP headers which are associated with an HTTP request. The header block in SPDY is mostly unchanged from today's HTTP header block, with the following differences: The first line of the request is unfolded into name/value pairs like other HTTP headers and MUST be present: ":method" - the HTTP method for this request (e.g. "GET", "POST", "HEAD", etc) ":path" - the url-path for this url with "/" prefixed. (See RFC1738 [RFC1738]). For example, for "http://www.google.com/search?q=dogs" the path would be "/search?q=dogs". ":version" - the HTTP version of this request (e.g. "HTTP/1.1") In addition, the following two name/value pairs must also be present in every request: ":host" - the hostport (See RFC1738 [RFC1738]) portion of the URL for this request (e.g. "www.google.com:1234"). This header is the same as the HTTP 'Host' header. ":scheme" - the scheme portion of the URL for this request (e.g. "https")) Header names are all lowercase. The Connection, Host, Keep-Alive, Proxy-Connection, and Transfer- Encoding headers are not valid and MUST not be sent. Belshe & Peon Expires August 4, 2012 [Page 34] Internet-Draft SPDY Feb 2012 User-agents MUST support gzip compression. Regardless of the Accept-Encoding sent by the user-agent, the server may always send content encoded with gzip or deflate encoding. If a server receives a request where the sum of the data frame payload lengths does not equal the size of the Content-Length header, the server MUST return a 400 (Bad Request) error. POST-specific changes: Although POSTs are inherently chunked, POST requests SHOULD also be accompanied by a Content-Length header. There are two reasons for this: First, it assists with upload progress meters for an improved user experience. But second, we know from early versions of SPDY that failure to send a content length header is incompatible with many existing HTTP server implementations. Existing user-agents do not omit the Content- Length header, and server implementations have come to depend upon this. The user-agent is free to prioritize requests as it sees fit. If the user-agent cannot make progress without receiving a resource, it should attempt to raise the priority of that resource. Resources such as images, SHOULD generally use the lowest priority. If a client sends a SYN_STREAM without all of the method, host, path, scheme, and version headers, the server MUST reply with a HTTP 400 Bad Request reply. 3.2.2. Response The server responds to a client request with a SYN_REPLY frame. Symmetric to the client's upload stream, server will send data after the SYN_REPLY frame via a series of DATA frames, and the last data frame will contain the FLAG_FIN to indicate successful end-of-stream. If a response (like a 202 or 204 response) contains no body, the SYN_REPLY frame may contain the FLAG_FIN flag to indicate no further data will be sent on the stream. The response status line is unfolded into name/value pairs like other HTTP headers and must be present: ":status" - The HTTP response status code (e.g. "200" or "200 OK") ":version" - The HTTP response version (e.g. "HTTP/1.1") Belshe & Peon Expires August 4, 2012 [Page 35] Internet-Draft SPDY Feb 2012 All header names must be lowercase. The Connection, Keep-Alive, Proxy-Connection, and Transfer- Encoding headers are not valid and MUST not be sent. Responses MAY be accompanied by a Content-Length header for advisory purposes. (e.g. for UI progress meters) If a client receives a response where the sum of the data frame payload lengths does not equal the size of the Content-Length header, the client MUST ignore the content length header. If a client receives a SYN_REPLY without a status or without a version header, the client must reply with a RST_STREAM frame indicating a PROTOCOL ERROR. 3.2.3. Authentication When a client sends a request to an origin server that requires authentication, the server can reply with a "401 Unauthorized" response, and include a WWW-Authenticate challenge header that defines the authentication scheme to be used. The client then retries the request with an Authorization header appropriate to the specified authentication scheme. There are four options for proxy authentication, Basic, Digest, NTLM and Negotiate (SPNEGO). The first two options were defined in RFC2617 [RFC2617], and are stateless. The second two options were developed by Microsoft and specified in RFC4559 [RFC4559], and are stateful; otherwise known as multi-round authentication, or connection authentication. 3.2.3.1. Stateless Authentication Stateless Authentication over SPDY is identical to how it is performed over HTTP. If multiple SPDY streams are concurrently sent to a single server, each will authenticate independently, similar to how two HTTP connections would independently authenticate to a proxy server. 3.2.3.2. Stateful Authentication Unfortunately, the stateful authentication mechanisms were implemented and defined in a such a way that directly violates RFC2617 - they do not include a "realm" as part of the request. This is problematic in SPDY because it makes it impossible for a client to disambiguate two concurrent server authentication challenges. Belshe & Peon Expires August 4, 2012 [Page 36] Internet-Draft SPDY Feb 2012 To deal with this case, SPDY servers using Stateful Authentication MUST implement one of two changes: Servers can add a "realm=" header so that the two authentication requests can be disambiguated and run concurrently. Unfortunately, given how these mechanisms work, this is probably not practical. Upon sending the first stateful challenge response, the server MUST buffer and defer all further frames which are not part of completing the challenge until the challenge has completed. Completing the authentication challenge may take multiple round trips. Once the client receives a "401 Authenticate" response for a stateful authentication type, it MUST stop sending new requests to the server until the authentication has completed by receiving a non-401 response on at least one stream. 3.3. Server Push Transactions SPDY enables a server to send multiple replies to a client for a single request. The rationale for this feature is that sometimes a server knows that it will need to send multiple resources in response to a single request. Without server push features, the client must first download the primary resource, then discover the secondary resource(s), and request them. Pushing of resources avoids the round-trip delay, but also creates a potential race where a server can be pushing content which a user-agent is in the process of requesting. The following mechanics attempt to prevent the race condition while enabling the performance benefit. Browsers receiving a pushed response MUST validate that the server is authorized to push the URL using the browser same-origin [RFC6454] policy. For example, a SPDY connection to www.foo.com is generally not permitted to push a response for www.evil.com. If the browser accepts a pushed response (e.g. it does not send a RST_STREAM), the browser MUST attempt to cache the pushed response in same way that it would cache any other response. This means validating the response headers and inserting into the disk cache. Because pushed responses have no request, they have no request headers associated with them. At the framing layer, SPDY pushed streams contain an "associated-stream-id" which indicates the requested stream for which the pushed stream is related. The pushed stream inherits all of the headers from the associated-stream-id with the exception of ":host", ":scheme", and ":path", which are provided as part of the pushed response stream headers. The browser MUST store these inherited and implied request headers with the cached Belshe & Peon Expires August 4, 2012 [Page 37] Internet-Draft SPDY Feb 2012 resource. Implementation note: With server push, it is theoretically possible for servers to push unreasonable amounts of content or resources to the user-agent. Browsers MUST implement throttles to protect against unreasonable push attacks. 3.3.1. Server implementation When the server intends to push a resource to the user-agent, it opens a new stream by sending a unidirectional SYN_STREAM. The SYN_STREAM MUST include an Associated-To-Stream-ID, and MUST set the FLAG_UNIDIRECTIONAL flag. The SYN_STREAM MUST include headers for ":scheme", ":host", ":path", which represent the URL for the resource being pushed. Subsequent headers may follow in HEADERS frames. The purpose of the association is so that the user-agent can differentiate which request induced the pushed stream; without it, if the user-agent had two tabs open to the same page, each pushing unique content under a fixed URL, the user-agent would not be able to differentiate the requests. The Associated-To-Stream-ID must be the ID of an existing, open stream. The reason for this restriction is to have a clear endpoint for pushed content. If the user-agent requested a resource on stream 11, the server replies on stream 11. It can push any number of additional streams to the client before sending a FLAG_FIN on stream 11. However, once the originating stream is closed no further push streams may be associated with it. The pushed streams do not need to be closed (FIN set) before the originating stream is closed, they only need to be created before the originating stream closes. It is illegal for a server to push a resource with the Associated-To- Stream-ID of 0. To minimize race conditions with the client, the SYN_STREAM for the pushed resources MUST be sent prior to sending any content which could allow the client to discover the pushed resource and request it. The server MUST only push resources which would have been returned from a GET request. Note: If the server does not have all of the Name/Value Response headers available at the time it issues the HEADERS frame for the pushed resource, it may later use an additional HEADERS frame to augment the name/value pairs to be associated with the pushed stream. The subsequent HEADERS frame(s) must not contain a header for ':host', ':scheme', or ':path' (e.g. the server can't change the Belshe & Peon Expires August 4, 2012 [Page 38] Internet-Draft SPDY Feb 2012 identity of the resource to be pushed). The HEADERS frame must not contain duplicate headers with a previously sent HEADERS frame. The server must send a HEADERS frame including the scheme/host/port headers before sending any data frames on the stream. 3.3.2. Client implementation When fetching a resource the client has 3 possibilities: the resource is not being pushed the resource is being pushed, but the data has not yet arrived the resource is being pushed, and the data has started to arrive When a SYN_STREAM and HEADERS frame which contains an Associated-To- Stream-ID is received, the client must not issue GET requests for the resource in the pushed stream, and instead wait for the pushed stream to arrive. If a client receives a server push stream with stream-id 0, it MUST issue a session error (Section 2.4.1) with the status code PROTOCOL_ERROR. When a client receives a SYN_STREAM from the server without a the ':host', ':scheme', and ':path' headers in the Name/Value section, it MUST reply with a RST_STREAM with error code HTTP_PROTOCOL_ERROR. To cancel individual server push streams, the client can issue a stream error (Section 2.4.2) with error code CANCEL. Upon receipt, the server MUST stop sending on this stream immediately (this is an Abrupt termination). To cancel all server push streams related to a request, the client may issue a stream error (Section 2.4.2) with error code CANCEL on the associated-stream-id. By cancelling that stream, the server MUST immediately stop sending frames for any streams with in-association-to for the original stream. If the server sends a HEADER frame containing duplicate headers with a previous HEADERS frame for the same stream, the client must issue a stream error (Section 2.4.2) with error code PROTOCOL ERROR. If the server sends a HEADERS frame after sending a data frame for the same stream, the client MAY ignore the HEADERS frame. Ignoring the HEADERS frame after a data frame prevents handling of HTTP's trailing headers (http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.40). Belshe & Peon Expires August 4, 2012 [Page 39] Internet-Draft SPDY Feb 2012 4. Design Rationale and Notes Authors' notes: The notes in this section have no bearing on the SPDY protocol as specified within this document, and none of these notes should be considered authoritative about how the protocol works. However, these notes may prove useful in future debates about how to resolve protocol ambiguities or how to evolve the protocol going forward. They may be removed before the final draft. 4.1. Separation of Framing Layer and Application Layer Readers may note that this specification sometimes blends the framing layer (Section 2) with requirements of a specific application - HTTP (Section 3). This is reflected in the request/response nature of the streams, the definition of the HEADERS and compression contexts which are very similar to HTTP, and other areas as well. This blending is intentional - the primary goal of this protocol is to create a low-latency protocol for use with HTTP. Isolating the two layers is convenient for description of the protocol and how it relates to existing HTTP implementations. However, the ability to reuse the SPDY framing layer is a non goal. 4.2. Error handling - Framing Layer Error handling at the SPDY layer splits errors into two groups: Those that affect an individual SPDY stream, and those that do not. When an error is confined to a single stream, but general framing is in tact, SPDY attempts to use the RST_STREAM as a mechanism to invalidate the stream but move forward without aborting the connection altogether. For errors occuring outside of a single stream context, SPDY assumes the entire session is hosed. In this case, the endpoint detecting the error should initiate a connection close. 4.3. One Connection Per Domain SPDY attempts to use fewer connections than other protocols have traditionally used. The rationale for this behavior is because it is very difficult to provide a consistent level of service (e.g. TCP slow-start), prioritization, or optimal compression when the client is connecting to the server through multiple channels. Through lab measurements, we have seen consistent latency benefits by using fewer connections from the client. The overall number of packets sent by SPDY can be as much as 40% less than HTTP. Handling Belshe & Peon Expires August 4, 2012 [Page 40] Internet-Draft SPDY Feb 2012 large numbers of concurrent connections on the server also does become a scalability problem, and SPDY reduces this load. The use of multiple connections is not without benefit, however. Because SPDY multiplexes multiple, independent streams onto a single stream, it creates a potential for head-of-line blocking problems at the transport level. In tests so far, the negative effects of head- of-line blocking (especially in the presence of packet loss) is outweighed by the benefits of compression and prioritization. 4.4. Fixed vs Variable Length Fields SPDY favors use of fixed length 32bit fields in cases where smaller, variable length encodings could have been used. To some, this seems like a tragic waste of bandwidth. SPDY choses the simple encoding for speed and simplicity. The goal of SPDY is to reduce latency on the network. The overhead of SPDY frames is generally quite low. Each data frame is only an 8 byte overhead for a 1452 byte payload (~0.6%). At the time of this writing, bandwidth is already plentiful, and there is a strong trend indicating that bandwidth will continue to increase. With an average worldwide bandwidth of 1Mbps, and assuming that a variable length encoding could reduce the overhead by 50%, the latency saved by using a variable length encoding would be less than 100 nanoseconds. More interesting are the effects when the larger encodings force a packet boundary, in which case a round-trip could be induced. However, by addressing other aspects of SPDY and TCP interactions, we believe this is completely mitigated. 4.5. Compression Context(s) When isolating the compression contexts used for communicating with multiple origins, we had a few choices to make. We could have maintained a map (or list) of compression contexts usable for each origin. The basic case is easy - each HEADERS frame would need to identify the context to use for that frame. However, compression contexts are not cheap, so the lifecycle of each context would need to be bounded. For proxy servers, where we could churn through many contexts, this would be a concern. We considered using a static set of contexts, say 16 of them, which would bound the memory use. We also considered dynamic contexts, which could be created on the fly, and would need to be subsequently destroyed. All of these are complicated, and ultimately we decided that such a mechanism creates too many problems to solve. Alternatively, we've chosen the simple approach, which is to simply provide a flag for resetting the compression context. For the common Belshe & Peon Expires August 4, 2012 [Page 41] Internet-Draft SPDY Feb 2012 case (no proxy), this fine because most requests are to the same origin and we never need to reset the context. For cases where we are using two different origins over a single SPDY session, we simply reset the compression state between each transition. 4.6. Unidirectional streams Many readers notice that unidirectional streams are both a bit confusing in concept and also somewhat redundant. If the recipient of a stream doesn't wish to send data on a stream, it could simply send a SYN_REPLY with the FLAG_FIN bit set. The FLAG_UNIDIRECTIONAL is, therefore, not necessary. It is true that we don't need the UNIDIRECTIONAL markings. It is added because it avoids the recipient of pushed streams from needing to send a set of empty frames (e.g. the SYN_STREAM w/ FLAG_FIN) which otherwise serve no purpose. 4.7. Data Compression Generic compression of data portion of the streams (as opposed to compression of the headers) without knowing the content of the stream is redundant. There is no value in compressing a stream which is already compressed. Because of this, SPDY does allow data compression to be optional. We included it because study of existing websites shows that many sites are not using compression as they should, and users suffer because of it. We wanted a mechanism where, at the SPDY layer, site administrators could simply force compression - it is better to compress twice than to not compress. Overall, however, with this feature being optional and sometimes redundant, it is unclear if it is useful at all. We will likely remove it from the specification. 4.8. Server Push A subtle but important point is that server push streams must be declared before the associated stream is closed. The reason for this is so that proxies have a lifetime for which they can discard information about previous streams. If a pushed stream could associate itself with an already-closed stream, then endpoints would not have a specific lifecycle for when they could disavow knowledge of the streams which went before. Belshe & Peon Expires August 4, 2012 [Page 42] Internet-Draft SPDY Feb 2012 5. Security Considerations 5.1. Use of Same-origin constraints This specification uses the same-origin policy [RFC6454] in all cases where verification of content is required. 5.2. HTTP Headers and SPDY Headers At the application level, HTTP uses name/value pairs in its headers. Because SPDY merges the existing HTTP headers with SPDY headers, there is a possibility that some HTTP applications already use a particular header name. To avoid any conflicts, all headers introduced for layering HTTP over SPDY are prefixed with ":". ":" is not a valid sequence in HTTP header naming, preventing any possible conflict. 5.3. Cross-Protocol Attacks By utilizing TLS, we believe that SPDY introduces no new cross- protocol attacks. TLS encrypts the contents of all transmission (except the handshake itself), making it difficult for attackers to control the data which could be used in a cross-protocol attack. 5.4. Server Push Implicit Headers Pushed resources do not have an associated request. In order for existing HTTP cache control validations (such as the Vary header) to work, however, all cached resources must have a set of request headers. For this reason, browsers MUST be careful to inherit request headers from the associated stream for the push. This includes the 'Cookie' header. Belshe & Peon Expires August 4, 2012 [Page 43] Internet-Draft SPDY Feb 2012 6. Privacy Considerations 6.1. Long Lived Connections SPDY aims to keep connections open longer between clients and servers in order to reduce the latency when a user makes a request. The maintenance of these connections over time could be used to expose private information. For example, a user using a browser hours after the previous user stopped using that browser may be able to learn about what the previous user was doing. This is a problem with HTTP in its current form as well, however the short lived connections make it less of a risk. 6.2. SETTINGS frame The SPDY SETTINGS frame allows servers to store out-of-band transmitted information about the communication between client and server on the client. Although this is intended only to be used to reduce latency, renegade servers could use it as a mechanism to store identifying information about the client in future requests. Clients implementing privacy modes, such as Google Chrome's "incognito mode", may wish to disable client-persisted SETTINGS storage. Clients MUST clear persisted SETTINGS information when clearing the cookies. TODO: Put range maximums on each type of setting to limit inappropriate uses. Belshe & Peon Expires August 4, 2012 [Page 44] Internet-Draft SPDY Feb 2012 7. Incompatibilities with SPDY draft #2 Here is a list of the major changes between this draft and draft #2. Addition of flow control Increased 16 bit length fields in SYN_STREAM and SYN_REPLY to 32 bits. Changed definition of compression for DATA frames Updated compression dictionary Fixed off-by-one on the compression dictionary for headers Increased priority field from 2bits to 3bits. Removed NOOP frame Split the request "url" into "scheme", "host", and "path" Added the requirement that POSTs contain content-length. Removed wasted 16bits of unused space from the end of the SYN_REPLY and HEADERS frames. Fixed bug: Priorities were described backward (0 was lowest instead of highest). Fixed bug: Name/Value header counts were duplicated in both the Name Value header block and also the containing frame. Belshe & Peon Expires August 4, 2012 [Page 45] Internet-Draft SPDY Feb 2012 8. Requirements Notation The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [RFC2119]. Belshe & Peon Expires August 4, 2012 [Page 46] Internet-Draft SPDY Feb 2012 9. Acknowledgements Many individuals have contributed to the design and evolution of SPDY: Adam Langley, Wan-Teh Chang, Jim Morrison, Mark Nottingham, Alyssa Wilk, Costin Manolache, William Chan, Vitaliy Lvin, Joe Chan, Adam Barth, Ryan Hamilton, Gavin Peters, Kent Alstad, Kevin Lindsay, Paul Amer, Fan Yang, Jonathan Leighton Belshe & Peon Expires August 4, 2012 [Page 47] Internet-Draft SPDY Feb 2012 10. Normative References [RFC0793] Postel, J., "Transmission Control Protocol", STD 7, RFC 793, September 1981. [RFC1738] Berners-Lee, T., Masinter, L., and M. McCahill, "Uniform Resource Locators (URL)", RFC 1738, December 1994. [RFC1950] Deutsch, L. and J-L. Gailly, "ZLIB Compressed Data Format Specification version 3.3", RFC 1950, May 1996. [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997. [RFC2285] Mandeville, R., "Benchmarking Terminology for LAN Switching Devices", RFC 2285, February 1998. [RFC2616] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L., Leach, P., and T. Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC 2616, June 1999. [RFC2617] Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S., Leach, P., Luotonen, A., and L. Stewart, "HTTP Authentication: Basic and Digest Access Authentication", RFC 2617, June 1999. [RFC4559] Jaganathan, K., Zhu, L., and J. Brezak, "SPNEGO-based Kerberos and NTLM HTTP Authentication in Microsoft Windows", RFC 4559, June 2006. [RFC4366] Blake-Wilson, S., Nystrom, M., Hopwood, D., Mikkelsen, J., and T. Wright, "Transport Layer Security (TLS) Extensions", RFC 4366, April 2006. [RFC5246] Dierks, T. and E. Rescorla, "The Transport Layer Security (TLS) Protocol Version 1.2", RFC 5246, August 2008. [RFC6454] Barth, A., "The Web Origin Concept", RFC 6454, December 2011. [TLSNPN] Langley, A., "TLS Next Protocol Negotiation", . [ASCII] "US-ASCII. Coded Character Set - 7-Bit American Standard Code for Information Interchange. Standard ANSI X3.4-1986, ANSI, 1986.". Belshe & Peon Expires August 4, 2012 [Page 48] Internet-Draft SPDY Feb 2012 [UDELCOMPRESSION] Yang, F., Amer, P., and J. Leighton, "A Methodology to Derive SPDY's Initial Dictionary for Zlib Compression", . Belshe & Peon Expires August 4, 2012 [Page 49] Internet-Draft SPDY Feb 2012 Appendix A. Changes To be removed by RFC Editor before publication Belshe & Peon Expires August 4, 2012 [Page 50] Internet-Draft SPDY Feb 2012 Authors' Addresses Mike Belshe Twist Email: mbelshe@chromium.org Roberto Peon Google, Inc Email: fenix@google.com Belshe & Peon Expires August 4, 2012 [Page 51] libmicrohttpd-0.9.33/src/testcurl/0000755000175000017500000000000012255341026014107 500000000000000libmicrohttpd-0.9.33/src/testcurl/test_digestauth_with_arguments.c0000644000175000017500000001461012220070440022504 00000000000000/* This file is part of libmicrohttpd (C) 2010, 2012 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_digestauth_with_arguments.c * @brief Testcase for libmicrohttpd Digest Auth with arguments * @author Amr Ali */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #ifndef WINDOWS #include #include #else #include #endif #define PAGE "libmicrohttpd demoAccess granted" #define DENIED "libmicrohttpd demoAccess denied" #define MY_OPAQUE "11733b200778ce33060f31c9af70a870ba96ddd4" struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { struct MHD_Response *response; char *username; const char *password = "testpass"; const char *realm = "test@example.com"; int ret; username = MHD_digest_auth_get_username(connection); if ( (username == NULL) || (0 != strcmp (username, "testuser")) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE, response, MHD_NO); MHD_destroy_response(response); return ret; } ret = MHD_digest_auth_check(connection, realm, username, password, 300); free(username); if ( (ret == MHD_INVALID_NONCE) || (ret == MHD_NO) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE, response, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO); MHD_destroy_response(response); return ret; } response = MHD_create_response_from_buffer(strlen(PAGE), PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, MHD_HTTP_OK, response); MHD_destroy_response(response); return ret; } static int testDigestAuth () { int fd; CURL *c; CURLcode errornum; struct MHD_Daemon *d; struct CBC cbc; size_t len; size_t off = 0; char buf[2048]; char rnd[8]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; #ifndef WINDOWS fd = open("/dev/urandom", O_RDONLY); if (-1 == fd) { fprintf(stderr, "Failed to open `%s': %s\n", "/dev/urandom", strerror(errno)); return 1; } while (off < 8) { len = read(fd, rnd, 8); if (len == -1) { fprintf(stderr, "Failed to read `%s': %s\n", "/dev/urandom", strerror(errno)); (void) close(fd); return 1; } off += len; } (void) close(fd); #else { HCRYPTPROV cc; BOOL b; b = CryptAcquireContext (&cc, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT); if (b == 0) { fprintf (stderr, "Failed to acquire crypto provider context: %lu\n", GetLastError ()); return 1; } b = CryptGenRandom (cc, 8, rnd); if (b == 0) { fprintf (stderr, "Failed to generate 8 random bytes: %lu\n", GetLastError ()); } CryptReleaseContext (cc, 0); if (b == 0) return 1; } #endif d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1337, NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_DIGEST_AUTH_RANDOM, sizeof (rnd), rnd, MHD_OPTION_NONCE_NC_SIZE, 300, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1337/foo?key=value"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST); curl_easy_setopt (c, CURLOPT_USERPWD, "testuser:testpass"); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (PAGE)) return 4; if (0 != strncmp (PAGE, cbc.buf, strlen (PAGE))) return 8; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testDigestAuth (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_put.c0000644000175000017500000003021512161372406016045 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_put.c * @brief Testcase for libmicrohttpd PUT operations * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > 8 - (*pos)) wrt = 8 - (*pos); memcpy (stream, &("Hello123"[*pos]), wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) == 0) { if (*upload_data_size != 8) return MHD_YES; /* not yet ready */ if (0 == memcmp (upload_data, "Hello123", 8)) { *upload_data_size = 0; } else { printf ("Invalid upload data `%8s'!\n", upload_data); return MHD_NO; } *done = 1; return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void*) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPut (); errorCount += testMultithreadedPut (); errorCount += testMultithreadedPoolPut (); errorCount += testExternalPut (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_quiesce.c0000644000175000017500000002557112212626344016704 00000000000000/* This file is part of libmicrohttpd (C) 2013 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_quiesce.c * @brief Testcase for libmicrohttpd quiescing * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #include #ifndef WINDOWS #include #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode code) { int *done = (int *)cls; *done = 1; } static void ServeOneRequest(int fd) { struct MHD_Daemon *d; fd_set rs; fd_set ws; fd_set es; int max; time_t start; struct timeval tv; int done = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_LISTEN_SOCKET, fd, MHD_OPTION_NOTIFY_COMPLETED, &request_completed, &done, MHD_OPTION_END); if (d == NULL) _exit(1); start = time (NULL); while ((time (NULL) - start < 5) && done == 0) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { MHD_stop_daemon (d); close(fd); _exit(4096); } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); MHD_run (d); } MHD_stop_daemon (d); close(fd); _exit(0); } static CURL * setupCURL (void *cbc) { CURL *c; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); return c; } static int testGet (int type, int pool_count, int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; int fd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; if (pool_count > 0) { d = MHD_start_daemon (type | MHD_USE_DEBUG | MHD_USE_PIPE_FOR_SHUTDOWN | poll_flag, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, pool_count, MHD_OPTION_END); } else { d = MHD_start_daemon (type | MHD_USE_DEBUG | MHD_USE_PIPE_FOR_SHUTDOWN | poll_flag, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); } if (d == NULL) return 1; c = setupCURL(&cbc); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } if (cbc.pos != strlen ("/hello_world")) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 4; } if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 8; } fd = MHD_quiesce_daemon (d); if (fork() == 0) { ServeOneRequest (fd); _exit(1); } cbc.pos = 0; if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } waitpid(-1, NULL, 0); if (cbc.pos != strlen ("/hello_world")) { fprintf(stderr, "%s\n", cbc.buf); curl_easy_cleanup (c); MHD_stop_daemon (d); close(fd); return 4; } if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) { fprintf(stderr, "%s\n", cbc.buf); curl_easy_cleanup (c); MHD_stop_daemon (d); close(fd); return 8; } /* at this point, the forked server quit, and the new * server has quiesced, so new requests should fail */ if (CURLE_OK == (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform should fail\n"); curl_easy_cleanup (c); MHD_stop_daemon (d); close(fd); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); close(fd); return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; int i; int fd; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = setupCURL(&cbc); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } for (i = 0; i < 2; i++) { start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (i == 0 && msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); else if (i == 1 && msg->data.result == CURLE_OK) printf ("%s should have failed at %s:%d\n", "curl_multi_perform", __FILE__, __LINE__); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (i == 0) { /* quiesce the daemon on the 1st iteration, so the 2nd should fail */ fd = MHD_quiesce_daemon(d); if (-1 == fd) abort (); close (fd); c = setupCURL (&cbc); multi = curl_multi_init (); mret = curl_multi_add_handle (multi, c); } } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 0, 0); errorCount += testGet (MHD_USE_THREAD_PER_CONNECTION, 0, 0); errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 4, 0); errorCount += testExternalGet (); #ifndef WINDOWS errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 0, MHD_USE_POLL); errorCount += testGet (MHD_USE_THREAD_PER_CONNECTION, 0, MHD_USE_POLL); errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 4, MHD_USE_POLL); #endif #if EPOLL_SUPPORT errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 0, MHD_USE_EPOLL_LINUX_ONLY); errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 4, MHD_USE_EPOLL_LINUX_ONLY); #endif if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_options.c0000644000175000017500000000611512201703206016721 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file mhds_get_test.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #define MHD_E_MEM "Error: memory error\n" #define MHD_E_SERVER_INIT "Error: failed to start server\n" const int DEBUG_GNUTLS_LOG_LEVEL = 0; const char *test_file_name = "https_test_file"; const char test_file_data[] = "Hello World\n"; static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { return 0; } int test_wrap (char *test_name, int (*test) (void)) { int ret; fprintf (stdout, "running test: %s ", test_name); ret = test (); if (ret == 0) { fprintf (stdout, "[pass]\n"); } else { fprintf (stdout, "[fail]\n"); } return ret; } /** * Test daemon initialization with the MHD_OPTION_SOCK_ADDR option */ static int test_ip_addr_option () { struct MHD_Daemon *d; struct sockaddr_in daemon_ip_addr; #if HAVE_INET6 struct sockaddr_in6 daemon_ip_addr6; #endif memset (&daemon_ip_addr, 0, sizeof (struct sockaddr_in)); daemon_ip_addr.sin_family = AF_INET; daemon_ip_addr.sin_port = htons (4233); #if HAVE_INET6 memset (&daemon_ip_addr6, 0, sizeof (struct sockaddr_in6)); daemon_ip_addr6.sin6_family = AF_INET6; daemon_ip_addr6.sin6_port = htons (4233); #endif inet_pton (AF_INET, "127.0.0.1", &daemon_ip_addr.sin_addr); #if HAVE_INET6 inet_pton (AF_INET6, "::ffff:127.0.0.1", &daemon_ip_addr6.sin6_addr); #endif d = MHD_start_daemon (MHD_USE_DEBUG, 4233, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_SOCK_ADDR, &daemon_ip_addr, MHD_OPTION_END); if (d == 0) return -1; MHD_stop_daemon (d); #if HAVE_INET6 d = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_IPv6, 4233, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_SOCK_ADDR, &daemon_ip_addr6, MHD_OPTION_END); if (d == 0) return -1; MHD_stop_daemon (d); #endif 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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_process_arguments.c * @brief Testcase for HTTP URI arguments * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; const char *hdr; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; hdr = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "k"); if ((hdr == NULL) || (0 != strcmp (hdr, "v x"))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "hash"); if ((hdr == NULL) || (0 != strcmp (hdr, "#foo"))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "space"); if ((hdr == NULL) || (0 != strcmp (hdr, "\240bar"))) abort (); if (3 != MHD_get_connection_values (connection, MHD_GET_ARGUMENT_KIND, NULL, NULL)) abort (); response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world?k=v+x&hash=%23foo&space=%A0bar"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/perf_get_concurrent.c0000644000175000017500000002051212213571307020231 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file perf_get_concurrent.c * @brief benchmark concurrent GET operations * Note that we run libcurl on the machine at the * same time, so the execution time may be influenced * by the concurrent activity; it is quite possible * that more time is spend with libcurl than with MHD, * so the performance scores calculated with this code * should NOT be used to compare with other HTTP servers * (since MHD is actually better); only the relative * scores between MHD versions are meaningful. * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include "gauger.h" /** * How many rounds of operations do we do for each * test (total number of requests will be ROUNDS * PAR). */ #define ROUNDS 500 /** * How many requests do we do in parallel? */ #define PAR 4 /** * Do we use HTTP 1.1? */ static int oneone; /** * Response to return (re-used). */ static struct MHD_Response *response; /** * Time this round was started. */ static unsigned long long start_time; /** * Get the current timestamp * * @return current time in ms */ static unsigned long long now () { struct timeval tv; GETTIMEOFDAY (&tv, NULL); return (((unsigned long long) tv.tv_sec * 1000LL) + ((unsigned long long) tv.tv_usec / 1000LL)); } /** * Start the timer. */ static void start_timer() { start_time = now (); } /** * Stop the timer and report performance * * @param desc description of the threading mode we used */ static void stop (const char *desc) { double rps = ((double) (PAR * ROUNDS * 1000)) / ((double) (now() - start_time)); fprintf (stderr, "Parallel GETs using %s: %f %s\n", desc, rps, "requests/s"); GAUGER (desc, "Parallel GETs", rps, "requests/s"); } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); if (ret == MHD_NO) abort (); return ret; } static pid_t do_gets (int port) { pid_t ret; CURL *c; CURLcode errornum; unsigned int i; unsigned int j; pid_t par[PAR]; char url[64]; sprintf(url, "http://127.0.0.1:%d/hello_world", port); ret = fork (); if (ret == -1) abort (); if (ret != 0) return ret; for (j=0;j #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testMultithreadedGet () { struct MHD_Daemon *d; char buf[2048]; int k; /* Test only valid for HTTP/1.1 (uses persistent connections) */ if (!oneone) return 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_PER_IP_CONNECTION_LIMIT, 2, MHD_OPTION_END); if (d == NULL) return 16; for (k = 0; k < 3; ++k) { struct CBC cbc[3]; CURL *cenv[3]; int i; for (i = 0; i < 3; ++i) { CURL *c; CURLcode errornum; cenv[i] = c = curl_easy_init (); cbc[i].buf = buf; cbc[i].size = 2048; cbc[i].pos = 0; curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc[i]); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_FORBID_REUSE, 0L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); errornum = curl_easy_perform (c); if ( ( (CURLE_OK != errornum) && (i < 2) ) || ( (CURLE_OK == errornum) && (i == 2) ) ) { int j; /* First 2 should succeed */ if (i < 2) fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); /* Last request should have failed */ else fprintf (stderr, "No error on IP address over limit\n"); for (j = 0; j < i; ++j) curl_easy_cleanup (cenv[j]); MHD_stop_daemon (d); return 32; } } /* Cleanup the environments */ for (i = 0; i < 3; ++i) curl_easy_cleanup (cenv[i]); sleep(2); for (i = 0; i < 2; ++i) { if (cbc[i].pos != strlen ("/hello_world")) { MHD_stop_daemon (d); return 64; } if (0 != strncmp ("/hello_world", cbc[i].buf, strlen ("/hello_world"))) { MHD_stop_daemon (d); return 128; } } } MHD_stop_daemon (d); return 0; } static int testMultithreadedPoolGet () { struct MHD_Daemon *d; char buf[2048]; int k; /* Test only valid for HTTP/1.1 (uses persistent connections) */ if (!oneone) return 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_PER_IP_CONNECTION_LIMIT, 2, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; for (k = 0; k < 3; ++k) { struct CBC cbc[3]; CURL *cenv[3]; int i; for (i = 0; i < 3; ++i) { CURL *c; CURLcode errornum; cenv[i] = c = curl_easy_init (); cbc[i].buf = buf; cbc[i].size = 2048; cbc[i].pos = 0; curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc[i]); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_FORBID_REUSE, 0L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); errornum = curl_easy_perform (c); if ( ( (CURLE_OK != errornum) && (i < 2) ) || ( (CURLE_OK == errornum) && (i == 2) ) ) { int j; /* First 2 should succeed */ if (i < 2) fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); /* Last request should have failed */ else fprintf (stderr, "No error on IP address over limit\n"); for (j = 0; j < i; ++j) curl_easy_cleanup (cenv[j]); MHD_stop_daemon (d); return 32; } } /* Cleanup the environments */ for (i = 0; i < 3; ++i) curl_easy_cleanup (cenv[i]); sleep(2); for (i = 0; i < 2; ++i) { if (cbc[i].pos != strlen ("/hello_world")) { MHD_stop_daemon (d); return 64; } if (0 != strncmp ("/hello_world", cbc[i].buf, strlen ("/hello_world"))) { MHD_stop_daemon (d); return 128; } } } MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testMultithreadedGet (); errorCount += testMultithreadedPoolGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_timeout.c0000644000175000017500000001723612220070440016720 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_timeout.c * @brief Testcase for libmicrohttpd PUT operations * @author Matthias Wachs */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; static int withTimeout = 1; static int withoutTimeout = 1; struct CBC { char *buf; size_t pos; size_t size; }; static void termination_cb (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { int *test = cls; switch (toe) { case MHD_REQUEST_TERMINATED_COMPLETED_OK : if (test == &withoutTimeout) { withoutTimeout = 0; } break; case MHD_REQUEST_TERMINATED_WITH_ERROR : case MHD_REQUEST_TERMINATED_READ_ERROR : break; case MHD_REQUEST_TERMINATED_TIMEOUT_REACHED : if (test == &withTimeout) { withTimeout = 0; } break; case MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN: break; case MHD_REQUEST_TERMINATED_CLIENT_ABORT: break; } } static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > 8 - (*pos)) wrt = 8 - (*pos); memcpy (stream, &("Hello123"[*pos]), wrt); (*pos) += wrt; return wrt; } static size_t putBuffer_fail (void *stream, size_t size, size_t nmemb, void *ptr) { return 0; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) == 0) { if (*upload_data_size != 8) return MHD_YES; /* not yet ready */ if (0 == memcmp (upload_data, "Hello123", 8)) { *upload_data_size = 0; } else { printf ("Invalid upload data `%8s'!\n", upload_data); return MHD_NO; } *done = 1; return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testWithoutTimeout () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_TIMEOUT, 2, MHD_OPTION_NOTIFY_COMPLETED, &termination_cb, &withTimeout, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testWithTimeout () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_TIMEOUT, 2, MHD_OPTION_NOTIFY_COMPLETED, &termination_cb, &withoutTimeout, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer_fail); curl_easy_setopt (c, CURLOPT_READDATA, &testWithTimeout); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { curl_easy_cleanup (c); MHD_stop_daemon (d); if (errornum == CURLE_GOT_NOTHING) /* mhd had the timeout */ return 0; else /* curl had the timeout first */ return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); return 64; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 16; errorCount += testWithoutTimeout (); errorCount += testWithTimeout (); if (errorCount != 0) fprintf (stderr, "Error during test execution (code: %u)\n", errorCount); curl_global_cleanup (); if ((withTimeout == 0) && (withoutTimeout == 0)) return 0; else return errorCount; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/gauger.h0000644000175000017500000000457112161372406015463 00000000000000/** --------------------------------------------------------------------------- * This software is in the public domain, furnished "as is", without technical * support, and with no warranty, express or implied, as to its usefulness for * any purpose. * * gauger.h * Interface for C programs to log remotely to a gauger server * * Author: Bartlomiej Polot * -------------------------------------------------------------------------*/ #ifndef __GAUGER_H__ #define __GAUGER_H__ #ifndef WINDOWS #include #include #include #define GAUGER(category, counter, value, unit)\ {\ const char * __gauger_v[10]; \ char __gauger_s[32];\ pid_t __gauger_p;\ if(!(__gauger_p=fork())){\ if(!fork()){ \ sprintf(__gauger_s,"%Lf", (long double) (value));\ __gauger_v[0] = "gauger";\ __gauger_v[1] = "-n";\ __gauger_v[2] = counter; \ __gauger_v[3] = "-d";\ __gauger_v[4] = __gauger_s;\ __gauger_v[5] = "-u";\ __gauger_v[6] = unit; \ __gauger_v[7] = "-c";\ __gauger_v[8] = category; \ __gauger_v[9] = (char *)NULL;\ execvp("gauger", (char*const*) __gauger_v); \ _exit(1);\ }else{\ _exit(0);\ }\ }else{\ waitpid(__gauger_p,NULL,0);\ }\ } #define GAUGER_ID(category, counter, value, unit, id)\ {\ char* __gauger_v[12];\ char __gauger_s[32];\ pid_t __gauger_p;\ if(!(__gauger_p=fork())){\ if(!fork()){\ sprintf(__gauger_s,"%Lf", (long double) (value));\ __gauger_v[0] = "gauger";\ __gauger_v[1] = "-n";\ __gauger_v[2] = counter;\ __gauger_v[3] = "-d";\ __gauger_v[4] = __gauger_s;\ __gauger_v[5] = "-u";\ __gauger_v[6] = unit;\ __gauger_v[7] = "-i";\ __gauger_v[8] = id;\ __gauger_v[9] = "-c";\ __gauger_v[10] = category;\ __gauger_v[11] = (char *)NULL;\ execvp("gauger",__gauger_v);\ perror("gauger");\ _exit(1);\ }else{\ _exit(0);\ }\ }else{\ waitpid(__gauger_p,NULL,0);\ }\ } #else #define GAUGER_ID(category, counter, value, unit, id) {} #define GAUGER(category, counter, value, unit) {} #endif // WINDOWS #endif libmicrohttpd-0.9.33/src/testcurl/test_process_headers.c0000644000175000017500000003035712161372406020415 00000000000000 /* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_process_headers.c * @brief Testcase for HTTP header access * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int kv_cb (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { if ((0 == strcmp (key, MHD_HTTP_HEADER_HOST)) && (0 == strcmp (value, "127.0.0.1:21080")) && (kind == MHD_HEADER_KIND)) { *((int *) cls) = 1; return MHD_NO; } return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; const char *hdr; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; ret = 0; MHD_get_connection_values (connection, MHD_HEADER_KIND, &kv_cb, &ret); if (ret != 1) abort (); hdr = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, "NotFound"); if (hdr != NULL) abort (); hdr = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_ACCEPT); if ((hdr == NULL) || (0 != strcmp (hdr, "*/*"))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_HOST); if ((hdr == NULL) || (0 != strcmp (hdr, "127.0.0.1:21080"))) abort (); MHD_set_connection_value (connection, MHD_HEADER_KIND, "FakeHeader", "NowPresent"); hdr = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, "FakeHeader"); if ((hdr == NULL) || (0 != strcmp (hdr, "NowPresent"))) abort (); response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); MHD_add_response_header (response, "MyHeader", "MyValue"); hdr = MHD_get_response_header (response, "MyHeader"); if (0 != strcmp ("MyValue", hdr)) abort (); MHD_add_response_header (response, "MyHeader", "MyValueToo"); if (MHD_YES != MHD_del_response_header (response, "MyHeader", "MyValue")) abort (); hdr = MHD_get_response_header (response, "MyHeader"); if (0 != strcmp ("MyValueToo", hdr)) abort (); if (1 != MHD_get_response_headers (response, NULL, NULL)) abort (); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testMultithreadedPoolGet (); errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_get_response_cleanup.c0000644000175000017500000001433112161372406021442 00000000000000/* DO NOT CHANGE THIS LINE */ /* This file is part of libmicrohttpd (C) 2007, 2009 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get_response_cleanup.c * @brief Testcase for libmicrohttpd response cleanup * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #include #include #ifndef WINDOWS #include #include #endif #define TESTSTR "/* DO NOT CHANGE THIS LINE */" static int oneone; static int ok; static pid_t fork_curl (const char *url) { pid_t ret; ret = fork(); if (ret != 0) return ret; execlp ("curl", "curl", "-s", "-N", "-o", "/dev/null", "-GET", url, NULL); fprintf (stderr, "Failed to exec curl: %s\n", strerror (errno)); _exit (-1); } static void kill_curl (pid_t pid) { int status; //fprintf (stderr, "Killing curl\n"); kill (pid, SIGTERM); waitpid (pid, &status, 0); } static ssize_t push_callback (void *cls, uint64_t pos, char *buf, size_t max) { if (max == 0) return 0; buf[0] = 'd'; return 1; } static void push_free_callback (void *cls) { int *ok = cls; //fprintf (stderr, "Cleanup callback called!\n"); *ok = 0; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; //fprintf (stderr, "In CB: %s!\n", method); if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 32 * 1024, &push_callback, &ok, &push_free_callback); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet () { struct MHD_Daemon *d; pid_t curl; ok = 1; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; curl = fork_curl ("http://127.0.0.1:11080/"); sleep (1); kill_curl (curl); sleep (1); // fprintf (stderr, "Stopping daemon!\n"); MHD_stop_daemon (d); if (ok != 0) return 2; return 0; } static int testMultithreadedGet () { struct MHD_Daemon *d; pid_t curl; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 2, MHD_OPTION_END); if (d == NULL) return 16; ok = 1; //fprintf (stderr, "Forking cURL!\n"); curl = fork_curl ("http://127.0.0.1:1081/"); sleep (1); kill_curl (curl); sleep (1); curl = fork_curl ("http://127.0.0.1:1081/"); sleep (1); if (ok != 0) { kill_curl (curl); MHD_stop_daemon (d); return 64; } kill_curl (curl); sleep (1); //fprintf (stderr, "Stopping daemon!\n"); MHD_stop_daemon (d); if (ok != 0) return 32; return 0; } static int testMultithreadedPoolGet () { struct MHD_Daemon *d; pid_t curl; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 64; ok = 1; curl = fork_curl ("http://127.0.0.1:1081/"); sleep (1); kill_curl (curl); sleep (1); //fprintf (stderr, "Stopping daemon!\n"); MHD_stop_daemon (d); if (ok != 0) return 128; return 0; } static int testExternalGet () { struct MHD_Daemon *d; fd_set rs; fd_set ws; fd_set es; int max; time_t start; struct timeval tv; pid_t curl; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; curl = fork_curl ("http://127.0.0.1:1082/"); start = time (NULL); while ((time (NULL) - start < 2)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); MHD_run (d); } kill_curl (curl); start = time (NULL); while ((time (NULL) - start < 2)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); MHD_run (d); } // fprintf (stderr, "Stopping daemon!\n"); MHD_stop_daemon (d); if (ok != 0) return 1024; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testMultithreadedPoolGet (); errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_termination.c0000644000175000017500000000572212161372406017573 00000000000000/* This file is part of libmicrohttpd (C) 2009 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_termination.c * @brief Testcase for libmicrohttpd tolerating client not closing immediately * @author hollosig */ #define PORT 12345 #include "platform.h" #include #include #include #include #include #include #include #include #include #ifndef __MINGW32__ #include #include #endif static int connection_handler (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t * upload_data_size, void **ptr) { static int i; if (*ptr == NULL) { *ptr = &i; return MHD_YES; } if (*upload_data_size != 0) { (*upload_data_size) = 0; return MHD_YES; } struct MHD_Response *response = MHD_create_response_from_buffer (strlen ("Response"), "Response", MHD_RESPMEM_PERSISTENT); int ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static size_t write_data (void *ptr, size_t size, size_t nmemb, void *stream) { return size * nmemb; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, PORT, NULL, NULL, connection_handler, NULL, MHD_OPTION_END); if (daemon == NULL) { fprintf (stderr, "Daemon cannot be started!"); exit (1); } CURL *curl = curl_easy_init (); //curl_easy_setopt(curl, CURLOPT_POST, 1L); char url[255]; sprintf (url, "http://127.0.0.1:%d", PORT); curl_easy_setopt (curl, CURLOPT_URL, url); curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, write_data); CURLcode success = curl_easy_perform (curl); if (success != 0) { fprintf (stderr, "CURL Error"); exit (1); } /* CPU used to go crazy here */ sleep (1); curl_easy_cleanup (curl); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/src/testcurl/test_digestauth.c0000644000175000017500000001452712220070440017373 00000000000000/* This file is part of libmicrohttpd (C) 2010 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_digestauth.c * @brief Testcase for libmicrohttpd Digest Auth * @author Amr Ali */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #ifndef WINDOWS #include #include #else #include #endif #define PAGE "libmicrohttpd demoAccess granted" #define DENIED "libmicrohttpd demoAccess denied" #define MY_OPAQUE "11733b200778ce33060f31c9af70a870ba96ddd4" struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { struct MHD_Response *response; char *username; const char *password = "testpass"; const char *realm = "test@example.com"; int ret; username = MHD_digest_auth_get_username(connection); if ( (username == NULL) || (0 != strcmp (username, "testuser")) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE, response, MHD_NO); MHD_destroy_response(response); return ret; } ret = MHD_digest_auth_check(connection, realm, username, password, 300); free(username); if ( (ret == MHD_INVALID_NONCE) || (ret == MHD_NO) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE, response, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO); MHD_destroy_response(response); return ret; } response = MHD_create_response_from_buffer(strlen(PAGE), PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, MHD_HTTP_OK, response); MHD_destroy_response(response); return ret; } static int testDigestAuth () { int fd; CURL *c; CURLcode errornum; struct MHD_Daemon *d; struct CBC cbc; size_t len; size_t off = 0; char buf[2048]; char rnd[8]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; #ifndef WINDOWS fd = open("/dev/urandom", O_RDONLY); if (-1 == fd) { fprintf(stderr, "Failed to open `%s': %s\n", "/dev/urandom", strerror(errno)); return 1; } while (off < 8) { len = read(fd, rnd, 8); if (len == -1) { fprintf(stderr, "Failed to read `%s': %s\n", "/dev/urandom", strerror(errno)); (void) close(fd); return 1; } off += len; } (void) close(fd); #else { HCRYPTPROV cc; BOOL b; b = CryptAcquireContext (&cc, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT); if (b == 0) { fprintf (stderr, "Failed to acquire crypto provider context: %lu\n", GetLastError ()); return 1; } b = CryptGenRandom (cc, 8, rnd); if (b == 0) { fprintf (stderr, "Failed to generate 8 random bytes: %lu\n", GetLastError ()); } CryptReleaseContext (cc, 0); if (b == 0) return 1; } #endif d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1337, NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_DIGEST_AUTH_RANDOM, sizeof (rnd), rnd, MHD_OPTION_NONCE_NC_SIZE, 300, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1337/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST); curl_easy_setopt (c, CURLOPT_USERPWD, "testuser:testpass"); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (PAGE)) return 4; if (0 != strncmp (PAGE, cbc.buf, strlen (PAGE))) return 8; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testDigestAuth (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_callback.c0000644000175000017500000001117712161372406016777 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_callback.c * @brief Testcase for MHD not calling the callback too often * @author Jan Seeger * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include struct callback_closure { unsigned int called; }; static ssize_t called_twice(void *cls, uint64_t pos, char *buf, size_t max) { struct callback_closure *cls2 = cls; if (cls2->called == 0) { memset(buf, 0, max); strcat(buf, "test"); cls2->called = 1; return strlen(buf); } if (cls2->called == 1) { cls2->called = 2; return MHD_CONTENT_READER_END_OF_STREAM; } fprintf(stderr, "Handler called after returning END_OF_STREAM!\n"); return MHD_CONTENT_READER_END_WITH_ERROR; } static int callback(void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { struct callback_closure *cbc = calloc(1, sizeof(struct callback_closure)); struct MHD_Response *r; r = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 1024, &called_twice, cbc, &free); MHD_queue_response(connection, 200, r); MHD_destroy_response(r); return MHD_YES; } static size_t discard_buffer (void *ptr, size_t size, size_t nmemb, void *ctx) { return size * nmemb; } int main(int argc, char **argv) { struct MHD_Daemon *d; fd_set rs; fd_set ws; fd_set es; int max; CURL *c; CURLM *multi; CURLMcode mret; struct CURLMsg *msg; int running; struct timeval tv; int extra; d = MHD_start_daemon(0, 8000, NULL, NULL, callback, NULL, MHD_OPTION_END); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:8000/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &discard_buffer); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 1; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } extra = 10; while ( (c != NULL) || (--extra > 0) ) { max = -1; FD_ZERO(&ws); FD_ZERO(&rs); FD_ZERO(&es); curl_multi_perform (multi, &running); if (NULL != multi) { mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 3; } } if (MHD_YES != MHD_get_fdset(d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4; } tv.tv_sec = 0; tv.tv_usec = 1000; select(max + 1, &rs, &ws, &es, &tv); if (NULL != multi) { curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } } MHD_run(d); } MHD_stop_daemon(d); return 0; } libmicrohttpd-0.9.33/src/testcurl/test_post.c0000644000175000017500000004277012210433474016231 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_postx.c * @brief Testcase for libmicrohttpd POST operations using URL-encoding * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #define POST_DATA "name=daniel&project=curl" static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static void completed_cb (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct MHD_PostProcessor *pp = *con_cls; if (NULL != pp) MHD_destroy_post_processor (pp); *con_cls = NULL; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * Note that this post_iterator is not perfect * in that it fails to support incremental processing. * (to be fixed in the future) */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *value, uint64_t off, size_t size) { int *eok = cls; if ((0 == strcmp (key, "name")) && (size == strlen ("daniel")) && (0 == strncmp (value, "daniel", size))) (*eok) |= 1; if ((0 == strcmp (key, "project")) && (size == strlen ("curl")) && (0 == strncmp (value, "curl", size))) (*eok) |= 2; return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int eok; struct MHD_Response *response; struct MHD_PostProcessor *pp; int ret; if (0 != strcmp ("POST", method)) { printf ("METHOD: %s\n", method); return MHD_NO; /* unexpected method */ } pp = *unused; if (pp == NULL) { eok = 0; pp = MHD_create_post_processor (connection, 1024, &post_iterator, &eok); *unused = pp; } MHD_post_process (pp, upload_data, *upload_data_size); if ((eok == 3) && (0 == *upload_data_size)) { response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); MHD_destroy_post_processor (pp); *unused = NULL; return ret; } *upload_data_size = 0; return MHD_YES; } static int testInternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } static int ahc_cancel (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { struct MHD_Response *response; int ret; if (0 != strcmp ("POST", method)) { fprintf (stderr, "Unexpected method `%s'\n", method); return MHD_NO; } if (*unused == NULL) { *unused = "wibble"; /* We don't want the body. Send a 500. */ response = MHD_create_response_from_buffer (0, NULL, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, 500, response); if (ret != MHD_YES) fprintf(stderr, "Failed to queue response\n"); MHD_destroy_response(response); return ret; } else { fprintf(stderr, "In ahc_cancel again. This should not happen.\n"); return MHD_NO; } } struct CRBC { const char *buffer; size_t size; size_t pos; }; static size_t readBuffer(void *p, size_t size, size_t nmemb, void *opaque) { struct CRBC *data = opaque; size_t required = size * nmemb; size_t left = data->size - data->pos; if (required > left) required = left; memcpy(p, data->buffer + data->pos, required); data->pos += required; return required/size; } static size_t slowReadBuffer(void *p, size_t size, size_t nmemb, void *opaque) { sleep(1); return readBuffer(p, size, nmemb, opaque); } #define FLAG_EXPECT_CONTINUE 1 #define FLAG_CHUNKED 2 #define FLAG_FORM_DATA 4 #define FLAG_SLOW_READ 8 #define FLAG_COUNT 16 static int testMultithreadedPostCancelPart(int flags) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct curl_slist *headers = NULL; long response_code; CURLcode cc; int result = 0; struct CRBC crbc; /* Don't test features that aren't available with HTTP/1.0 in * HTTP/1.0 mode. */ if (!oneone && (flags & (FLAG_EXPECT_CONTINUE | FLAG_CHUNKED))) return 0; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_cancel, NULL, MHD_OPTION_END); if (d == NULL) return 32768; crbc.buffer = "Test content"; crbc.size = strlen(crbc.buffer); crbc.pos = 0; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, (flags & FLAG_SLOW_READ) ? &slowReadBuffer : &readBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &crbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, NULL); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, crbc.size); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (flags & FLAG_CHUNKED) headers = curl_slist_append(headers, "Transfer-Encoding: chunked"); if (!(flags & FLAG_FORM_DATA)) headers = curl_slist_append(headers, "Content-Type: application/octet-stream"); if (flags & FLAG_EXPECT_CONTINUE) headers = curl_slist_append(headers, "Expect: 100-Continue"); curl_easy_setopt(c, CURLOPT_HTTPHEADER, headers); if (CURLE_HTTP_RETURNED_ERROR != (errornum = curl_easy_perform (c))) { fprintf (stderr, "flibbet curl_easy_perform didn't fail as expected: `%s' %d\n", curl_easy_strerror (errornum), errornum); curl_easy_cleanup (c); MHD_stop_daemon (d); curl_slist_free_all(headers); return 65536; } if (CURLE_OK != (cc = curl_easy_getinfo(c, CURLINFO_RESPONSE_CODE, &response_code))) { fprintf(stderr, "curl_easy_getinfo failed: '%s'\n", curl_easy_strerror(errornum)); result = 65536; } if (!result && (response_code != 500)) { fprintf(stderr, "Unexpected response code: %ld\n", response_code); result = 131072; } if (!result && (cbc.pos != 0)) result = 262144; curl_easy_cleanup (c); MHD_stop_daemon (d); curl_slist_free_all(headers); return result; } static int testMultithreadedPostCancel() { int result = 0; int flags; for(flags = 0; flags < FLAG_COUNT; ++flags) result |= testMultithreadedPostCancelPart(flags); return result; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testMultithreadedPostCancel (); errorCount += testInternalPost (); errorCount += testMultithreadedPost (); errorCount += testMultithreadedPoolPost (); errorCount += testExternalPost (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_get_sendfile.c0000644000175000017500000003252012232173256017667 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get_sendfile.c * @brief Testcase for libmicrohttpd response from FD * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #include #ifndef WINDOWS #include #include #endif #define TESTSTR "This is the content of the test file we are sending using sendfile (if available)" char *sourcefile; static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; int fd; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; fd = open (sourcefile, O_RDONLY); if (fd == -1) { fprintf (stderr, "Failed to open `%s': %s\n", sourcefile, STRERROR (errno)); exit (1); } response = MHD_create_response_from_fd (strlen (TESTSTR), fd); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (TESTSTR)) return 4; if (0 != strncmp (TESTSTR, cbc.buf, strlen (TESTSTR))) return 8; return 0; } static int testMultithreadedGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (TESTSTR)) return 64; if (0 != strncmp (TESTSTR, cbc.buf, strlen (TESTSTR))) return 128; return 0; } static int testMultithreadedPoolGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (TESTSTR)) return 64; if (0 != strncmp (TESTSTR, cbc.buf, strlen (TESTSTR))) return 128; return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen (TESTSTR)) return 8192; if (0 != strncmp (TESTSTR, cbc.buf, strlen (TESTSTR))) return 16384; return 0; } static int testUnknownPortGet () { struct MHD_Daemon *d; const union MHD_DaemonInfo *di; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct sockaddr_in addr; socklen_t addr_len = sizeof(addr); memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = 0; addr.sin_addr.s_addr = INADDR_ANY; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_SOCK_ADDR, &addr, MHD_OPTION_END); if (d == NULL) return 32768; di = MHD_get_daemon_info (d, MHD_DAEMON_INFO_LISTEN_FD); if (di == NULL) return 65536; if (0 != getsockname(di->listen_fd, (struct sockaddr *) &addr, &addr_len)) return 131072; if (addr.sin_family != AF_INET) return 26214; snprintf(buf, sizeof(buf), "http://127.0.0.1:%hu/", ntohs(addr.sin_port)); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, buf); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 524288; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen (TESTSTR)) return 1048576; if (0 != strncmp (TESTSTR, cbc.buf, strlen (TESTSTR))) return 2097152; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; const char *tmp; FILE *f; if ( (NULL == (tmp = getenv ("TMPDIR"))) && (NULL == (tmp = getenv ("TMP"))) ) tmp = "/tmp"; sourcefile = malloc (strlen (tmp) + 32); sprintf (sourcefile, "%s%s%s", tmp, DIR_SEPARATOR_STR, "test-mhd-sendfile"); f = fopen (sourcefile, "w"); if (NULL == f) { fprintf (stderr, "failed to write test file\n"); free (sourcefile); return 1; } fwrite (TESTSTR, strlen (TESTSTR), 1, f); fclose (f); oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testMultithreadedPoolGet (); errorCount += testExternalGet (); errorCount += testUnknownPortGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); UNLINK (sourcefile); free (sourcefile); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_long_header.c0000644000175000017500000001515412161372406017511 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_long_header.c * @brief Testcase for libmicrohttpd handling of very long headers * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif /** * We will set the memory available per connection to * half of this value, so the actual value does not have * to be big at all... */ #define VERY_LONG (1024*10) static int oneone; static int apc_all (void *cls, const struct sockaddr *addr, socklen_t addrlen) { return MHD_YES; } struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testLongUrlGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; char *url; long code; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 1080, &apc_all, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (VERY_LONG / 2), MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); url = malloc (VERY_LONG); if (url == NULL) { MHD_stop_daemon (d); return 1; } memset (url, 'a', VERY_LONG); url[VERY_LONG - 1] = '\0'; memcpy (url, "http://127.0.0.1:1080/", strlen ("http://127.0.0.1:1080/")); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK == curl_easy_perform (c)) { curl_easy_cleanup (c); MHD_stop_daemon (d); free (url); return 2; } if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code)) { curl_easy_cleanup (c); MHD_stop_daemon (d); free (url); return 4; } curl_easy_cleanup (c); MHD_stop_daemon (d); free (url); if (code != MHD_HTTP_REQUEST_URI_TOO_LONG) return 8; return 0; } static int testLongHeaderGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; char *url; long code; struct curl_slist *header = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 1080, &apc_all, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (VERY_LONG / 2), MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); url = malloc (VERY_LONG); if (url == NULL) { MHD_stop_daemon (d); return 16; } memset (url, 'a', VERY_LONG); url[VERY_LONG - 1] = '\0'; url[VERY_LONG / 2] = ':'; url[VERY_LONG / 2 + 1] = ' '; header = curl_slist_append (header, url); curl_easy_setopt (c, CURLOPT_HTTPHEADER, header); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK == curl_easy_perform (c)) { curl_easy_cleanup (c); MHD_stop_daemon (d); curl_slist_free_all (header); free (url); return 32; } if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code)) { curl_slist_free_all (header); curl_easy_cleanup (c); MHD_stop_daemon (d); free (url); return 64; } curl_slist_free_all (header); curl_easy_cleanup (c); MHD_stop_daemon (d); free (url); if (code != MHD_HTTP_REQUEST_ENTITY_TOO_LARGE) return 128; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testLongUrlGet (); errorCount += testLongHeaderGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_urlparse.c0000644000175000017500000001144012161372406017071 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_urlparse.c * @brief Testcase for libmicrohttpd url parsing * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifdef __MINGW32__ #define usleep(usec) (Sleep ((usec) / 1000),0) #endif #ifndef WINDOWS #include #include #endif static int oneone; static int matches; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int test_values (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { if ( (0 == strcmp (key, "a")) && (0 == strcmp (value, "b")) ) matches += 1; if ( (0 == strcmp (key, "c")) && (0 == strcmp (value, "")) ) matches += 2; if ( (0 == strcmp (key, "d")) && (NULL == value) ) matches += 4; return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } MHD_get_connection_values (connection, MHD_GET_ARGUMENT_KIND, &test_values, NULL); *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet (int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/hello_world?a=b&c=&d"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; if (matches != 7) return 16; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (0); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/perf_get.c0000644000175000017500000003352712161550636016005 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file perf_get.c * @brief benchmark simple GET operations (sequential access). * Note that we run libcurl in the same process at the * same time, so the execution time given is the combined * time for both MHD and libcurl; it is quite possible * that more time is spend with libcurl than with MHD, * so the performance scores calculated with this code * should NOT be used to compare with other HTTP servers * (since MHD is actually better); only the relative * scores between MHD versions are meaningful. * Furthermore, this code ONLY tests MHD processing * a single request at a time. This is again * not universally meaningful (i.e. when comparing * multithreaded vs. single-threaded or select/poll). * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include "gauger.h" #ifndef WINDOWS #include #include #endif /** * How many rounds of operations do we do for each * test? */ #define ROUNDS 500 /** * Do we use HTTP 1.1? */ static int oneone; /** * Response to return (re-used). */ static struct MHD_Response *response; /** * Time this round was started. */ static unsigned long long start_time; /** * Get the current timestamp * * @return current time in ms */ static unsigned long long now () { struct timeval tv; GETTIMEOFDAY (&tv, NULL); return (((unsigned long long) tv.tv_sec * 1000LL) + ((unsigned long long) tv.tv_usec / 1000LL)); } /** * Start the timer. */ static void start_timer() { start_time = now (); } /** * Stop the timer and report performance * * @param desc description of the threading mode we used */ static void stop (const char *desc) { double rps = ((double) (ROUNDS * 1000)) / ((double) (now() - start_time)); fprintf (stderr, "Sequential GETs using %s: %f %s\n", desc, rps, "requests/s"); GAUGER (desc, "Sequential GETs", rps, "requests/s"); } struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet (int port, int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; unsigned int i; char url[64]; sprintf(url, "http://127.0.0.1:%d/hello_world", port); cbc.buf = buf; cbc.size = 2048; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, port, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; start_timer (); for (i=0;imsg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } } /* two possibilities here; as select sets are tiny, this makes virtually no difference in actual runtime right now, even though the number of select calls is virtually cut in half (and 'select' is the most expensive of our system calls according to 'strace') */ if (0) MHD_run (d); else MHD_run_from_select (d, &rs, &ws, &es); } if (NULL != c) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); fprintf (stderr, "Timeout!?\n"); } } stop ("external select"); if (multi != NULL) { curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; int port = 1081; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; response = MHD_create_response_from_buffer (strlen ("/hello_world"), "/hello_world", MHD_RESPMEM_MUST_COPY); errorCount += testExternalGet (port++); errorCount += testInternalGet (port++, 0); errorCount += testMultithreadedGet (port++, 0); errorCount += testMultithreadedPoolGet (port++, 0); #ifndef WINDOWS errorCount += testInternalGet (port++, MHD_USE_POLL); errorCount += testMultithreadedGet (port++, MHD_USE_POLL); errorCount += testMultithreadedPoolGet (port++, MHD_USE_POLL); #endif #if EPOLL_SUPPORT errorCount += testInternalGet (port++, MHD_USE_EPOLL_LINUX_ONLY); errorCount += testMultithreadedPoolGet (port++, MHD_USE_EPOLL_LINUX_ONLY); #endif MHD_destroy_response (response); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_large_put.c0000644000175000017500000003261112161372406017221 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_large_put.c * @brief Testcase for libmicrohttpd PUT operations * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; /** * Do not make this much larger since we will hit the * MHD default buffer limit and the test code is not * written for incremental upload processing... * (larger values will likely cause MHD to generate * an internal server error -- which would be avoided * by writing the putBuffer method in a more general * fashion). */ #define PUT_SIZE (256 * 1024) static char *put_buffer; struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > PUT_SIZE - (*pos)) wrt = PUT_SIZE - (*pos); memcpy (stream, &put_buffer[*pos], wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) == 0) { if (*upload_data_size != PUT_SIZE) { #if 0 fprintf (stderr, "Waiting for more data (%u/%u)...\n", *upload_data_size, PUT_SIZE); #endif return MHD_YES; /* not yet ready */ } if (0 == memcmp (upload_data, put_buffer, PUT_SIZE)) { *upload_data_size = 0; } else { printf ("Invalid upload data!\n"); return MHD_NO; } *done = 1; return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; char buf[2048]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (1024*1024), MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; char buf[2048]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (1024*1024), MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) { fprintf (stderr, "Got invalid response `%.*s'\n", (int)cbc.pos, cbc.buf); return 64; } if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; char buf[2048]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (1024*1024), MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) { fprintf (stderr, "Got invalid response `%.*s'\n", (int)cbc.pos, cbc.buf); return 64; } if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; char buf[2048]; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; multi = NULL; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (PUT_SIZE * 4), MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) { fprintf (stderr, "Got invalid response `%.*s'\n", (int)cbc.pos, cbc.buf); return 8192; } if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; put_buffer = malloc (PUT_SIZE); if (NULL == put_buffer) return 1; memset (put_buffer, 1, PUT_SIZE); errorCount += testInternalPut (); errorCount += testMultithreadedPut (); errorCount += testMultithreadedPoolPut (); errorCount += testExternalPut (); free (put_buffer); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/https/0000755000175000017500000000000012255341026015251 500000000000000libmicrohttpd-0.9.33/src/testcurl/https/test_https_multi_daemon.c0000644000175000017500000000734712220070440022275 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file mhds_multi_daemon_test.c * @brief Testcase for libmicrohttpd multiple HTTPS daemon scenario * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern int curl_check_version (const char *req_version, ...); extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; /* * assert initiating two separate daemons and having one shut down * doesn't affect the other */ static int test_concurent_daemon_pair (void *cls, const char *cipher_suite, int proto_version) { int ret; struct MHD_Daemon *d1; struct MHD_Daemon *d2; d1 = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, DEAMON_TEST_PORT, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d1 == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } d2 = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, DEAMON_TEST_PORT + 1, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d2 == NULL) { MHD_stop_daemon (d1); fprintf (stderr, MHD_E_SERVER_INIT); return -1; } ret = test_daemon_get (NULL, cipher_suite, proto_version, DEAMON_TEST_PORT, 0); ret += test_daemon_get (NULL, cipher_suite, proto_version, DEAMON_TEST_PORT + 1, 0); MHD_stop_daemon (d2); ret += test_daemon_get (NULL, cipher_suite, proto_version, DEAMON_TEST_PORT, 0); MHD_stop_daemon (d1); return ret; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; FILE *cert; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error (code: %u). l:%d f:%s\n", errorCount, __LINE__, __FUNCTION__); return -1; } if ((cert = setup_ca_cert ()) == NULL) { fprintf (stderr, MHD_E_TEST_FILE_CREAT); return -1; } const char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes256_sha = "rsa_aes_256_sha"; } errorCount += test_concurent_daemon_pair (NULL, aes256_sha, CURL_SSLVERSION_SSLv3); print_test_result (errorCount, "concurent_daemon_pair"); curl_global_cleanup (); fclose (cert); if (0 != remove (ca_cert_file_name)) fprintf (stderr, "Failed to remove `%s'\n", ca_cert_file_name); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/test_https_session_info.c0000644000175000017500000001160112220070440022302 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file mhds_session_info_test.c * @brief Testcase for libmicrohttpd HTTPS connection querying operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include "tls_test_common.h" extern int curl_check_version (const char *req_version, ...); extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; struct MHD_Daemon *d; /* * HTTP access handler call back * used to query negotiated security parameters */ static int query_session_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; int ret; if (NULL == *ptr) { *ptr = &query_session_ahc; return MHD_YES; } if (GNUTLS_SSL3 != (ret = MHD_get_connection_info (connection, MHD_CONNECTION_INFO_PROTOCOL)->protocol)) { fprintf (stderr, "Error: requested protocol mismatch (wanted %d, got %d)\n", GNUTLS_SSL3, ret); return -1; } response = MHD_create_response_from_buffer (strlen (EMPTY_PAGE), (void *) EMPTY_PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * negotiate a secure connection with server & query negotiated security parameters */ static int test_query_session () { CURL *c; struct CBC cbc; CURLcode errornum; char url[256]; if (NULL == (cbc.buf = malloc (sizeof (char) * 255))) return 16; cbc.size = 255; cbc.pos = 0; gen_test_file_url (url, DEAMON_TEST_PORT); /* setup test */ d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, DEAMON_TEST_PORT, NULL, NULL, &query_session_ahc, NULL, MHD_OPTION_HTTPS_PRIORITIES, "NORMAL:+ARCFOUR-128", MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d == NULL) return 2; const char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes256_sha = "rsa_aes_256_sha"; } c = curl_easy_init (); #if DEBUG_HTTPS_TEST curl_easy_setopt (c, CURLOPT_VERBOSE, 1); #endif curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_FILE, &cbc); /* TLS options */ curl_easy_setopt (c, CURLOPT_SSLVERSION, CURL_SSLVERSION_SSLv3); curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, aes256_sha); /* currently skip any peer authentication */ curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); MHD_stop_daemon (d); curl_easy_cleanup (c); free (cbc.buf); return -1; } curl_easy_cleanup (c); MHD_stop_daemon (d); free (cbc.buf); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error (code: %u)\n", errorCount); return -1; } errorCount += test_query_session (); print_test_result (errorCount, argv[0]); curl_global_cleanup (); if (errorCount > 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount; } libmicrohttpd-0.9.33/src/testcurl/https/test_https_get_parallel.c0000644000175000017500000001252212220070440022242 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_https_get_parallel.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir * @author Christian Grothoff */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; int curl_check_version (const char *req_version, ...); /** * used when spawning multiple threads executing curl server requests * */ static void * https_transfer_thread_adapter (void *args) { static int nonnull; struct https_test_data *cargs = args; int ret; /* time spread incomming requests */ usleep ((useconds_t) 10.0 * ((double) rand ()) / ((double) RAND_MAX)); ret = test_https_transfer (NULL, cargs->cipher_suite, cargs->proto_version); if (ret == 0) return NULL; return &nonnull; } /** * Test non-parallel requests. * * @return: 0 upon all client requests returning '0', -1 otherwise. * * TODO : make client_count a parameter - number of curl client threads to spawn */ static int test_single_client (void *cls, const char *cipher_suite, int curl_proto_version) { void *client_thread_ret; struct https_test_data client_args = { NULL, cipher_suite, curl_proto_version }; client_thread_ret = https_transfer_thread_adapter (&client_args); if (client_thread_ret != NULL) return -1; return 0; } /** * Test parallel request handling. * * @return: 0 upon all client requests returning '0', -1 otherwise. * * TODO : make client_count a parameter - numver of curl client threads to spawn */ static int test_parallel_clients (void * cls, const char *cipher_suite, int curl_proto_version) { int i; int client_count = 3; void *client_thread_ret; pthread_t client_arr[client_count]; struct https_test_data client_args = { NULL, cipher_suite, curl_proto_version }; for (i = 0; i < client_count; ++i) { if (pthread_create (&client_arr[i], NULL, &https_transfer_thread_adapter, &client_args) != 0) { fprintf (stderr, "Error: failed to spawn test client threads.\n"); return -1; } } /* check all client requests fulfilled correctly */ for (i = 0; i < client_count; ++i) { if ((pthread_join (client_arr[i], &client_thread_ret) != 0) || (client_thread_ret != NULL)) return -1; } return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; const char *aes256_sha = "AES256-SHA"; /* initialize random seed used by curl clients */ unsigned int iseed = (unsigned int) time (NULL); srand (iseed); if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } if (curl_uses_nss_ssl() == 0) aes256_sha = "rsa_aes_256_sha"; #if EPOLL_SUPPORT errorCount += test_wrap ("single threaded daemon, single client, epoll", &test_single_client, NULL, MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL | MHD_USE_DEBUG | MHD_USE_EPOLL_LINUX_ONLY, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); #endif errorCount += test_wrap ("single threaded daemon, single client", &test_single_client, NULL, MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL | MHD_USE_DEBUG, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); #if EPOLL_SUPPORT errorCount += test_wrap ("single threaded daemon, parallel clients, epoll", &test_parallel_clients, NULL, MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL | MHD_USE_DEBUG | MHD_USE_EPOLL_LINUX_ONLY, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); #endif errorCount += test_wrap ("single threaded daemon, parallel clients", &test_parallel_clients, NULL, MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL | MHD_USE_DEBUG, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/Makefile.in0000644000175000017500000010754012255340775017257 00000000000000# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ am__make_dryrun = \ { \ am__dry=no; \ case $$MAKEFLAGS in \ *\\[\ \ ]*) \ echo 'am--echo: ; @echo "AM" OK' | 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any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_https_get_select.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; extern const char srv_signed_cert_pem[]; extern const char srv_signed_key_pem[]; static int oneone; static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testExternalGet (int flags) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; const char *aes256_sha = "AES256-SHA"; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL | flags, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d == NULL) return 256; if (curl_uses_nss_ssl() == 0) aes256_sha = "rsa_aes_256_sha"; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "https://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); /* TLS options */ curl_easy_setopt (c, CURLOPT_SSLVERSION, CURL_SSLVERSION_SSLv3); curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, aes256_sha); curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } #if EPOLL_SUPPORT if (0 != (errorCount = testExternalGet (MHD_USE_EPOLL_LINUX_ONLY))) fprintf (stderr, "Fail: %d\n", errorCount); #endif if (0 != (errorCount = testExternalGet (0))) fprintf (stderr, "Fail: %d\n", errorCount); curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/test_tls_authentication.c0000644000175000017500000000556012220070440022272 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file tls_authentication_test.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern int curl_check_version (const char *req_version, ...); extern const char test_file_data[]; extern const char ca_key_pem[]; extern const char ca_cert_pem[]; extern const char srv_signed_cert_pem[]; extern const char srv_signed_key_pem[]; /* perform a HTTP GET request via SSL/TLS */ static int test_secure_get (void * cls, char *cipher_suite, int proto_version) { int ret; struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, DEAMON_TEST_PORT, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_MEM_KEY, srv_signed_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_signed_cert_pem, MHD_OPTION_END); if (d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } ret = test_daemon_get (NULL, cipher_suite, proto_version, DEAMON_TEST_PORT, 0); MHD_stop_daemon (d); return ret; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (setup_ca_cert () == NULL) { fprintf (stderr, MHD_E_TEST_FILE_CREAT); return -1; } if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error (code: %u)\n", errorCount); return -1; } char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes256_sha = "rsa_aes_256_sha"; } errorCount += test_secure_get (NULL, aes256_sha, CURL_SSLVERSION_TLSv1); print_test_result (errorCount, argv[0]); curl_global_cleanup (); if (0 != remove (ca_cert_file_name)) fprintf (stderr, "Failed to remove `%s'\n", ca_cert_file_name); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/Makefile.am0000644000175000017500000000732612255340712017236 00000000000000SUBDIRS = . if USE_COVERAGE AM_CFLAGS = --coverage endif if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir)/src/include \ -I$(top_srcdir)/src/microhttpd \ $(LIBCURL_CPPFLAGS) check_PROGRAMS = \ test_tls_options \ test_tls_authentication \ test_https_multi_daemon \ test_https_get \ test_https_sni \ test_https_get_select \ test_https_get_parallel \ test_https_get_parallel_threads \ test_https_session_info \ test_https_time_out \ test_empty_response EXTRA_DIST = cert.pem key.pem tls_test_keys.h tls_test_common.h TESTS = \ test_tls_options \ test_https_multi_daemon \ test_https_get \ test_https_sni \ test_https_get_select \ test_https_get_parallel \ test_https_get_parallel_threads \ test_https_session_info \ test_https_time_out \ test_tls_authentication \ test_empty_response test_https_time_out_SOURCES = \ test_https_time_out.c \ tls_test_common.c test_https_time_out_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_tls_options_SOURCES = \ test_tls_options.c \ tls_test_common.c test_tls_options_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_get_parallel_SOURCES = \ test_https_get_parallel.c \ tls_test_common.c test_https_get_parallel_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_empty_response_SOURCES = \ test_empty_response.c \ tls_test_common.c test_empty_response_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_get_parallel_threads_SOURCES = \ test_https_get_parallel_threads.c \ tls_test_common.c test_https_get_parallel_threads_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_tls_authentication_SOURCES = \ test_tls_authentication.c \ tls_test_common.c test_tls_authentication_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_session_info_SOURCES = \ test_https_session_info.c \ tls_test_common.c test_https_session_info_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_multi_daemon_SOURCES = \ test_https_multi_daemon.c \ tls_test_common.c test_https_multi_daemon_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_get_SOURCES = \ test_https_get.c \ tls_test_common.c test_https_get_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_sni_SOURCES = \ test_https_sni.c \ tls_test_common.c test_https_sni_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ test_https_get_select_SOURCES = \ test_https_get_select.c \ tls_test_common.c test_https_get_select_LDADD = \ $(top_builddir)/src/testcurl/libcurl_version_check.a \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ -lgnutls @LIBGCRYPT_LIBS@ libmicrohttpd-0.9.33/src/testcurl/https/test_tls_options.c0000644000175000017500000001402712220070440020744 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2010 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file tls_daemon_options_test.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; int curl_check_version (const char *req_version, ...); /** * test server refuses to negotiate connections with unsupported protocol versions * */ static int test_unmatching_ssl_version (void * cls, const char *cipher_suite, int curl_req_ssl_version) { struct CBC cbc; if (NULL == (cbc.buf = malloc (sizeof (char) * 256))) { fprintf (stderr, "Error: failed to allocate: %s\n", strerror (errno)); return -1; } cbc.size = 256; cbc.pos = 0; char url[255]; if (gen_test_file_url (url, DEAMON_TEST_PORT)) { free (cbc.buf); fprintf (stderr, "Internal error in gen_test_file_url\n"); return -1; } /* assert daemon *rejected* request */ if (CURLE_OK == send_curl_req (url, &cbc, cipher_suite, curl_req_ssl_version)) { free (cbc.buf); fprintf (stderr, "cURL failed to reject request despite SSL version missmatch!\n"); return -1; } free (cbc.buf); return 0; } /* setup a temporary transfer test file */ int main (int argc, char *const *argv) { unsigned int errorCount = 0; const char *ssl_version; int daemon_flags = MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG; gcry_control (GCRYCTL_DISABLE_SECMEM, 0); gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (curl_check_version (MHD_REQ_CURL_VERSION)) { return 0; } ssl_version = curl_version_info (CURLVERSION_NOW)->ssl_version; if (NULL == ssl_version) { fprintf (stderr, "Curl does not support SSL. Cannot run the test.\n"); return 0; } if (NULL != strcasestr (ssl_version, "openssl")) { fprintf (stderr, "Refusing to run test with OpenSSL. Please install libcurl-gnutls\n"); return 0; } if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return 0; } const char *aes128_sha = "AES128-SHA"; const char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes128_sha = "rsa_aes_128_sha"; aes256_sha = "rsa_aes_256_sha"; } if (0 != test_wrap ("TLS1.0-AES-SHA1", &test_https_transfer, NULL, daemon_flags, aes128_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_HTTPS_PRIORITIES, "NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+RSA:+COMP-NULL", MHD_OPTION_END)) { fprintf (stderr, "TLS1.0-AES-SHA1 test failed\n"); errorCount++; } #if 0 /* this used to work, but somehow no longer. gnutls issue? */ if (0 != test_wrap ("SSL3.0-AES256-SHA1", &test_https_transfer, NULL, daemon_flags, aes256_sha, CURL_SSLVERSION_SSLv3, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_HTTPS_PRIORITIES, "NONE:+VERS-SSL3.0:+AES-256-CBC:+SHA1:+RSA:+COMP-NULL", MHD_OPTION_END)) { fprintf (stderr, "SSL3.0-AES256-SHA1 test failed\n"); errorCount++; } if (0 != test_wrap ("SSL3.0-AES-SHA1", &test_https_transfer, NULL, daemon_flags, aes128_sha, CURL_SSLVERSION_SSLv3, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_HTTPS_PRIORITIES, "NONE:+VERS-SSL3.0:+AES-128-CBC:+SHA1:+RSA:+COMP-NULL", MHD_OPTION_END)) { fprintf (stderr, "SSL3.0-AES-SHA1 test failed\n"); errorCount++; } #endif #if 0 /* manual inspection of the handshake suggests that CURL will request TLSv1, we send back "SSL3" and CURL takes it *despite* being configured to speak SSL3-only. Notably, the other way round (have curl request SSL3, respond with TLSv1 only) is properly refused by CURL. Either way, this does NOT seem to be a bug in MHD/gnuTLS but rather in CURL; hence this test is commented out here... */ errorCount += test_wrap ("unmatching version: SSL3 vs. TLS", &test_unmatching_ssl_version, NULL, daemon_flags, "AES256-SHA", CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_CIPHER_ALGORITHM, "SSL3", MHD_OPTION_END); #endif fprintf (stderr, "The following handshake should fail (and print an error message)...\n"); if (0 != test_wrap ("TLS1.0 vs SSL3", &test_unmatching_ssl_version, NULL, daemon_flags, aes256_sha, CURL_SSLVERSION_SSLv3, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_HTTPS_PRIORITIES, "NONE:+VERS-TLS1.0:+AES-256-CBC:+SHA1:+RSA:+COMP-NULL", MHD_OPTION_END)) { fprintf (stderr, "TLS1.0 vs SSL3 test failed\n"); errorCount++; } curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/test_https_time_out.c0000644000175000017500000000701512220070440021435 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file mhds_get_test.c * @brief: daemon TLS alert response test-case * * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include "internal.h" #include "tls_test_common.h" #include extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; static const int TIME_OUT = 3; static const char *http_get_req = "GET / HTTP/1.1\r\n\r\n"; static int test_tls_session_time_out (gnutls_session_t session) { int sd, ret; struct sockaddr_in sa; sd = socket (AF_INET, SOCK_STREAM, 0); if (sd == -1) { fprintf (stderr, "Failed to create socket: %s\n", strerror (errno)); return -1; } memset (&sa, '\0', sizeof (struct sockaddr_in)); sa.sin_family = AF_INET; sa.sin_port = htons (DEAMON_TEST_PORT); inet_pton (AF_INET, "127.0.0.1", &sa.sin_addr); gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) (long) sd); ret = connect (sd, &sa, sizeof (struct sockaddr_in)); if (ret < 0) { fprintf (stderr, "Error: %s\n", MHD_E_FAILED_TO_CONNECT); close (sd); return -1; } ret = gnutls_handshake (session); if (ret < 0) { fprintf (stderr, "Handshake failed\n"); close (sd); return -1; } sleep (TIME_OUT + 1); /* check that server has closed the connection */ /* TODO better RST trigger */ if (send (sd, "", 1, 0) == 0) { fprintf (stderr, "Connection failed to time-out\n"); close (sd); return -1; } close (sd); return 0; } int main (int argc, char *const *argv) { int errorCount = 0;; struct MHD_Daemon *d; gnutls_session_t session; gnutls_datum_t key; gnutls_datum_t cert; gnutls_certificate_credentials_t xcred; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif gnutls_global_init (); gnutls_global_set_log_level (11); d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, DEAMON_TEST_PORT, NULL, NULL, &http_dummy_ahc, NULL, MHD_OPTION_CONNECTION_TIMEOUT, TIME_OUT, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } if (0 != setup_session (&session, &key, &cert, &xcred)) { fprintf (stderr, "failed to setup session\n"); return 1; } errorCount += test_tls_session_time_out (session); teardown_session (session, &key, &cert, xcred); print_test_result (errorCount, argv[0]); MHD_stop_daemon (d); gnutls_global_deinit (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/cert.pem0000644000175000017500000000172511277763375016660 00000000000000-----BEGIN CERTIFICATE----- MIICpjCCAZCgAwIBAgIESEPtjjALBgkqhkiG9w0BAQUwADAeFw0wODA2MDIxMjU0 MzhaFw0wOTA2MDIxMjU0NDZaMAAwggEfMAsGCSqGSIb3DQEBAQOCAQ4AMIIBCQKC AQC03TyUvK5HmUAirRp067taIEO4bibh5nqolUoUdo/LeblMQV+qnrv/RNAMTx5X fNLZ45/kbM9geF8qY0vsPyQvP4jumzK0LOJYuIwmHaUm9vbXnYieILiwCuTgjaud 3VkZDoQ9fteIo+6we9UTpVqZpxpbLulBMh/VsvX0cPJ1VFC7rT59o9hAUlFf9jX/ GmKdYI79MtgVx0OPBjmmSD6kicBBfmfgkO7bIGwlRtsIyMznxbHu6VuoX/eVxrTv rmCwgEXLWRZ6ru8MQl5YfqeGXXRVwMeXU961KefbuvmEPccgCxm8FZ1C1cnDHFXh siSgAzMBjC/b6KVhNQ4KnUdZAgMBAAGjLzAtMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFJcUvpjvE5fF/yzUshkWDpdYiQh/MAsGCSqGSIb3DQEBBQOCAQEARP7eKSB2 RNd6XjEjK0SrxtoTnxS3nw9sfcS7/qD1+XHdObtDFqGNSjGYFB3Gpx8fpQhCXdoN 8QUs3/5ZVa5yjZMQewWBgz8kNbnbH40F2y81MHITxxCe1Y+qqHWwVaYLsiOTqj2/ 0S3QjEJ9tvklmg7JX09HC4m5QRYfWBeQLD1u8ZjA1Sf1xJriomFVyRLI2VPO2bNe JDMXWuP+8kMC7gEvUnJ7A92Y2yrhu3QI3bjPk8uSpHea19Q77tul1UVBJ5g+zpH3 OsF5p0MyaVf09GTzcLds5nE/osTdXGUyHJapWReVmPm3Zn6gqYlnzD99z+DPIgIV RhZvQx74NQnS6g== -----END CERTIFICATE----- libmicrohttpd-0.9.33/src/testcurl/https/test_https_get_parallel_threads.c0000644000175000017500000001211512220070440023752 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file tls_thread_mode_test.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir * @author Christian Grothoff * * TODO: add test for external select! */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; int curl_check_version (const char *req_version, ...); /** * used when spawning multiple threads executing curl server requests * */ static void * https_transfer_thread_adapter (void *args) { static int nonnull; struct https_test_data *cargs = args; int ret; /* time spread incomming requests */ usleep ((useconds_t) 10.0 * ((double) rand ()) / ((double) RAND_MAX)); ret = test_https_transfer (cargs->cls, cargs->cipher_suite, cargs->proto_version); if (ret == 0) return NULL; return &nonnull; } /** * Test non-parallel requests. * * @return: 0 upon all client requests returning '0', -1 otherwise. * * TODO : make client_count a parameter - numver of curl client threads to spawn */ static int test_single_client (void *cls, const char *cipher_suite, int curl_proto_version) { void *client_thread_ret; struct https_test_data client_args = { NULL, cipher_suite, curl_proto_version }; client_thread_ret = https_transfer_thread_adapter (&client_args); if (client_thread_ret != NULL) return -1; return 0; } /** * Test parallel request handling. * * @return: 0 upon all client requests returning '0', -1 otherwise. * * TODO : make client_count a parameter - numver of curl client threads to spawn */ static int test_parallel_clients (void *cls, const char *cipher_suite, int curl_proto_version) { int i; int client_count = 3; void *client_thread_ret; pthread_t client_arr[client_count]; struct https_test_data client_args = { NULL, cipher_suite, curl_proto_version }; for (i = 0; i < client_count; ++i) { if (pthread_create (&client_arr[i], NULL, &https_transfer_thread_adapter, &client_args) != 0) { fprintf (stderr, "Error: failed to spawn test client threads.\n"); return -1; } } /* check all client requests fulfilled correctly */ for (i = 0; i < client_count; ++i) { if ((pthread_join (client_arr[i], &client_thread_ret) != 0) || (client_thread_ret != NULL)) return -1; } return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; const char *ssl_version; /* initialize random seed used by curl clients */ unsigned int iseed = (unsigned int) time (NULL); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif srand (iseed); ssl_version = curl_version_info (CURLVERSION_NOW)->ssl_version; if (NULL == ssl_version) { fprintf (stderr, "Curl does not support SSL. Cannot run the test.\n"); return 0; } if (NULL != strcasestr (ssl_version, "openssl")) { fprintf (stderr, "Refusing to run test with OpenSSL. Please install libcurl-gnutls\n"); return 0; } if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes256_sha = "rsa_aes_256_sha"; } errorCount += test_wrap ("multi threaded daemon, single client", &test_single_client, NULL, MHD_USE_SSL | MHD_USE_DEBUG | MHD_USE_THREAD_PER_CONNECTION, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); errorCount += test_wrap ("multi threaded daemon, parallel client", &test_parallel_clients, NULL, MHD_USE_SSL | MHD_USE_DEBUG | MHD_USE_THREAD_PER_CONNECTION, aes256_sha, CURL_SSLVERSION_TLSv1, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (errorCount != 0) fprintf (stderr, "Failed test: %s.\n", argv[0]); curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/test_https_sni.c0000644000175000017500000001660512255340712020420 00000000000000/* This file is part of libmicrohttpd (C) 2013 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_https_sni.c * @brief Testcase for libmicrohttpd HTTPS with SNI operations * @author Christian Grothoff */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" #include /* This test only works with GnuTLS >= 3.0 */ #if GNUTLS_VERSION_MAJOR >= 3 #include /** * A hostname, server key and certificate. */ struct Hosts { struct Hosts *next; const char *hostname; gnutls_pcert_st pcrt; gnutls_privkey_t key; }; /** * Linked list of supported TLDs and respective certificates. */ static struct Hosts *hosts; /* Load the certificate and the private key. * (This code is largely taken from GnuTLS). */ static void load_keys(const char *hostname, const char *CERT_FILE, const char *KEY_FILE) { int ret; gnutls_datum_t data; struct Hosts *host; host = malloc (sizeof (struct Hosts)); host->hostname = hostname; host->next = hosts; hosts = host; ret = gnutls_load_file (CERT_FILE, &data); if (ret < 0) { fprintf (stderr, "*** Error loading certificate file %s.\n", CERT_FILE); exit (1); } ret = gnutls_pcert_import_x509_raw (&host->pcrt, &data, GNUTLS_X509_FMT_PEM, 0); if (ret < 0) { fprintf (stderr, "*** Error loading certificate file: %s\n", gnutls_strerror (ret)); exit (1); } gnutls_free (data.data); ret = gnutls_load_file (KEY_FILE, &data); if (ret < 0) { fprintf (stderr, "*** Error loading key file %s.\n", KEY_FILE); exit (1); } gnutls_privkey_init (&host->key); ret = gnutls_privkey_import_x509_raw (host->key, &data, GNUTLS_X509_FMT_PEM, NULL, 0); if (ret < 0) { fprintf (stderr, "*** Error loading key file: %s\n", gnutls_strerror (ret)); exit (1); } gnutls_free (data.data); } /** * @param session the session we are giving a cert for * @param req_ca_dn NULL on server side * @param nreqs length of req_ca_dn, and thus 0 on server side * @param pk_algos NULL on server side * @param pk_algos_length 0 on server side * @param pcert list of certificates (to be set) * @param pcert_length length of pcert (to be set) * @param pkey the private key (to be set) */ static int sni_callback (gnutls_session_t session, const gnutls_datum_t* req_ca_dn, int nreqs, const gnutls_pk_algorithm_t* pk_algos, int pk_algos_length, gnutls_pcert_st** pcert, unsigned int *pcert_length, gnutls_privkey_t * pkey) { char name[256]; size_t name_len; struct Hosts *host; unsigned int type; name_len = sizeof (name); if (GNUTLS_E_SUCCESS != gnutls_server_name_get (session, name, &name_len, &type, 0 /* index */)) return -1; for (host = hosts; NULL != host; host = host->next) if (0 == strncmp (name, host->hostname, name_len)) break; if (NULL == host) { fprintf (stderr, "Need certificate for %.*s\n", (int) name_len, name); return -1; } #if 0 fprintf (stderr, "Returning certificate for %.*s\n", (int) name_len, name); #endif *pkey = host->key; *pcert_length = 1; *pcert = &host->pcrt; return 0; } /* perform a HTTP GET request via SSL/TLS */ static int do_get (const char *url) { CURL *c; struct CBC cbc; CURLcode errornum; size_t len; struct curl_slist *dns_info; len = strlen (test_data); if (NULL == (cbc.buf = malloc (sizeof (char) * len))) { fprintf (stderr, MHD_E_MEM); return -1; } cbc.size = len; cbc.pos = 0; c = curl_easy_init (); #if DEBUG_HTTPS_TEST curl_easy_setopt (c, CURLOPT_VERBOSE, 1); #endif curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_FILE, &cbc); /* perform peer authentication */ /* TODO merge into send_curl_req */ curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 2); dns_info = curl_slist_append (NULL, "host1:4233:127.0.0.1"); dns_info = curl_slist_append (dns_info, "host2:4233:127.0.0.1"); curl_easy_setopt (c, CURLOPT_RESOLVE, dns_info); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); free (cbc.buf); curl_slist_free_all (dns_info); return errornum; } curl_easy_cleanup (c); curl_slist_free_all (dns_info); if (memcmp (cbc.buf, test_data, len) != 0) { fprintf (stderr, "Error: local file & received file differ.\n"); free (cbc.buf); return -1; } free (cbc.buf); return 0; } int main (int argc, char *const *argv) { unsigned int error_count = 0; struct MHD_Daemon *d; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } load_keys ("host1", "host1.crt", "host1.key"); load_keys ("host2", "host2.crt", "host2.key"); d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, 4233, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_CERT_CALLBACK, &sni_callback, MHD_OPTION_END); if (d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } error_count += do_get ("https://host1:4233/"); error_count += do_get ("https://host2:4233/"); MHD_stop_daemon (d); curl_global_cleanup (); return error_count != 0; } #else int main () { fprintf (stderr, "SNI not supported by GnuTLS < 3.0\n"); return 0; } #endif libmicrohttpd-0.9.33/src/testcurl/https/tls_test_common.c0000644000175000017500000002742412215413266020561 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file tls_test_common.c * @brief Common tls test functions * @author Sagie Amir */ #include "tls_test_common.h" #include "tls_test_keys.h" int curl_check_version (const char *req_version, ...); FILE * setup_ca_cert () { FILE *cert_fd; if (NULL == (cert_fd = fopen (ca_cert_file_name, "wb+"))) { fprintf (stderr, "Error: failed to open `%s': %s\n", ca_cert_file_name, strerror (errno)); return NULL; } if (fwrite (ca_cert_pem, sizeof (char), strlen (ca_cert_pem) + 1, cert_fd) != strlen (ca_cert_pem) + 1) { fprintf (stderr, "Error: failed to write `%s. %s'\n", ca_cert_file_name, strerror (errno)); fclose (cert_fd); return NULL; } if (fflush (cert_fd)) { fprintf (stderr, "Error: failed to flush ca cert file stream. %s\n", strerror (errno)); fclose (cert_fd); return NULL; } return cert_fd; } /* * test HTTPS transfer */ int test_daemon_get (void *cls, const char *cipher_suite, int proto_version, int port, int ver_peer) { CURL *c; struct CBC cbc; CURLcode errornum; char url[255]; size_t len; len = strlen (test_data); if (NULL == (cbc.buf = malloc (sizeof (char) * len))) { fprintf (stderr, MHD_E_MEM); return -1; } cbc.size = len; cbc.pos = 0; /* construct url - this might use doc_path */ gen_test_file_url (url, port); c = curl_easy_init (); #if DEBUG_HTTPS_TEST curl_easy_setopt (c, CURLOPT_VERBOSE, 1); #endif curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 10L); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_FILE, &cbc); /* TLS options */ curl_easy_setopt (c, CURLOPT_SSLVERSION, proto_version); curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, cipher_suite); /* perform peer authentication */ /* TODO merge into send_curl_req */ curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, ver_peer); curl_easy_setopt (c, CURLOPT_CAINFO, ca_cert_file_name); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); free (cbc.buf); return errornum; } curl_easy_cleanup (c); if (memcmp (cbc.buf, test_data, len) != 0) { fprintf (stderr, "Error: local file & received file differ.\n"); free (cbc.buf); return -1; } free (cbc.buf); return 0; } void print_test_result (int test_outcome, char *test_name) { #if 0 if (test_outcome != 0) fprintf (stderr, "running test: %s [fail]\n", test_name); else fprintf (stdout, "running test: %s [pass]\n", test_name); #endif } size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * HTTP access handler call back */ int http_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, size_t *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ response = MHD_create_response_from_buffer (strlen (test_data), (void *) test_data, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /* HTTP access handler call back */ int http_dummy_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, size_t *upload_data_size, void **ptr) { return 0; } /** * send a test http request to the daemon * @param url * @param cbc - may be null * @param cipher_suite * @param proto_version * @return */ /* TODO have test wrap consider a NULL cbc */ int send_curl_req (char *url, struct CBC * cbc, const char *cipher_suite, int proto_version) { CURL *c; CURLcode errornum; c = curl_easy_init (); #if DEBUG_HTTPS_TEST curl_easy_setopt (c, CURLOPT_VERBOSE, CURL_VERBOS_LEVEL); #endif curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 60L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 60L); if (cbc != NULL) { curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_FILE, cbc); } /* TLS options */ curl_easy_setopt (c, CURLOPT_SSLVERSION, proto_version); curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, cipher_suite); /* currently skip any peer authentication */ curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); return errornum; } curl_easy_cleanup (c); return CURLE_OK; } /** * compile test file url pointing to the current running directory path * * @param url - char buffer into which the url is compiled * @param port port to use for the test * @return -1 on error */ int gen_test_file_url (char *url, int port) { int ret = 0; char *doc_path; size_t doc_path_len; /* setup test file path, url */ doc_path_len = PATH_MAX > 4096 ? 4096 : PATH_MAX; if (NULL == (doc_path = malloc (doc_path_len))) { fprintf (stderr, MHD_E_MEM); return -1; } if (getcwd (doc_path, doc_path_len) == NULL) { fprintf (stderr, "Error: failed to get working directory. %s\n", strerror (errno)); ret = -1; } #ifdef WINDOWS { int i; for (i = 0; i < doc_path_len; i++) { if (doc_path[i] == 0) break; if (doc_path[i] == '\\') { doc_path[i] = '/'; } if (doc_path[i] != ':') continue; if (i == 0) break; doc_path[i] = doc_path[i - 1]; doc_path[i - 1] = '/'; } } #endif /* construct url - this might use doc_path */ if (sprintf (url, "%s:%d%s/%s", "https://127.0.0.1", port, doc_path, "urlpath") < 0) ret = -1; free (doc_path); return ret; } /** * test HTTPS file transfer */ int test_https_transfer (void *cls, const char *cipher_suite, int proto_version) { int len; int ret = 0; struct CBC cbc; char url[255]; len = strlen (test_data); if (NULL == (cbc.buf = malloc (sizeof (char) * len))) { fprintf (stderr, MHD_E_MEM); return -1; } cbc.size = len; cbc.pos = 0; if (gen_test_file_url (url, DEAMON_TEST_PORT)) { ret = -1; goto cleanup; } if (CURLE_OK != send_curl_req (url, &cbc, cipher_suite, proto_version)) { ret = -1; goto cleanup; } /* compare test file & daemon responce */ if ( (len != strlen (test_data)) || (memcmp (cbc.buf, test_data, len) != 0) ) { fprintf (stderr, "Error: local file & received file differ.\n"); ret = -1; } cleanup: free (cbc.buf); return ret; } /** * setup test case * * @param d * @param daemon_flags * @param arg_list * @return */ int setup_testcase (struct MHD_Daemon **d, int daemon_flags, va_list arg_list) { *d = MHD_start_daemon_va (daemon_flags, DEAMON_TEST_PORT, NULL, NULL, &http_ahc, NULL, arg_list); if (*d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } return 0; } void teardown_testcase (struct MHD_Daemon *d) { MHD_stop_daemon (d); } int setup_session (gnutls_session_t * session, gnutls_datum_t * key, gnutls_datum_t * cert, gnutls_certificate_credentials_t * xcred) { int ret; const char *err_pos; gnutls_certificate_allocate_credentials (xcred); key->size = strlen (srv_key_pem) + 1; key->data = malloc (key->size); if (NULL == key->data) { gnutls_certificate_free_credentials (*xcred); return -1; } memcpy (key->data, srv_key_pem, key->size); cert->size = strlen (srv_self_signed_cert_pem) + 1; cert->data = malloc (cert->size); if (NULL == cert->data) { gnutls_certificate_free_credentials (*xcred); free (key->data); return -1; } memcpy (cert->data, srv_self_signed_cert_pem, cert->size); gnutls_certificate_set_x509_key_mem (*xcred, cert, key, GNUTLS_X509_FMT_PEM); gnutls_init (session, GNUTLS_CLIENT); ret = gnutls_priority_set_direct (*session, "NORMAL", &err_pos); if (ret < 0) { gnutls_deinit (*session); gnutls_certificate_free_credentials (*xcred); free (key->data); return -1; } gnutls_credentials_set (*session, GNUTLS_CRD_CERTIFICATE, *xcred); return 0; } int teardown_session (gnutls_session_t session, gnutls_datum_t * key, gnutls_datum_t * cert, gnutls_certificate_credentials_t xcred) { free (key->data); key->data = NULL; key->size = 0; free (cert->data); cert->data = NULL; cert->size = 0; gnutls_deinit (session); gnutls_certificate_free_credentials (xcred); return 0; } /* TODO test_wrap: change sig to (setup_func, test, va_list test_arg) */ int test_wrap (const char *test_name, int (*test_function) (void * cls, const char *cipher_suite, int proto_version), void * cls, int daemon_flags, const char *cipher_suite, int proto_version, ...) { int ret; va_list arg_list; struct MHD_Daemon *d; va_start (arg_list, proto_version); if (setup_testcase (&d, daemon_flags, arg_list) != 0) { va_end (arg_list); fprintf (stderr, "Failed to setup testcase %s\n", test_name); return -1; } #if 0 fprintf (stdout, "running test: %s ", test_name); #endif ret = test_function (NULL, cipher_suite, proto_version); #if 0 if (ret == 0) { fprintf (stdout, "[pass]\n"); } else { fprintf (stdout, "[fail]\n"); } #endif teardown_testcase (d); va_end (arg_list); return ret; } libmicrohttpd-0.9.33/src/testcurl/https/tls_test_common.h0000644000175000017500000001001312215413255020546 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef TLS_TEST_COMMON_H_ #define TLS_TEST_COMMON_H_ #include "platform.h" #include "microhttpd.h" #include #include #include #include /* this enables verbos CURL version checking */ #define DEBUG_HTTPS_TEST 0 #define CURL_VERBOS_LEVEL 0 #define DEAMON_TEST_PORT 4233 #define test_data "Hello World\n" #define ca_cert_file_name "tmp_ca_cert.pem" #define EMPTY_PAGE "Empty pageEmpty page" #define PAGE_NOT_FOUND "File not foundFile not found" #define MHD_E_MEM "Error: memory error\n" #define MHD_E_SERVER_INIT "Error: failed to start server\n" #define MHD_E_TEST_FILE_CREAT "Error: failed to setup test file\n" #define MHD_E_CERT_FILE_CREAT "Error: failed to setup test certificate\n" #define MHD_E_KEY_FILE_CREAT "Error: failed to setup test certificate\n" #define MHD_E_FAILED_TO_CONNECT "Error: server connection could not be established\n" /* TODO rm if unused */ struct https_test_data { void *cls; const char *cipher_suite; int proto_version; }; struct CBC { char *buf; size_t pos; size_t size; }; struct CipherDef { int options[2]; char *curlname; }; int curl_check_version (const char *req_version, ...); int curl_uses_nss_ssl (); FILE * setup_ca_cert (); /** * perform cURL request for file */ int test_daemon_get (void * cls, const char *cipher_suite, int proto_version, int port, int ver_peer); void print_test_result (int test_outcome, char *test_name); size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx); int http_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, size_t *upload_data_size, void **ptr); int http_dummy_ahc (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, size_t *upload_data_size, void **ptr); /** * compile test file url pointing to the current running directory path * * @param url - char buffer into which the url is compiled * @param port port to use for the test * @return -1 on error */ int gen_test_file_url (char *url, int port); int send_curl_req (char *url, struct CBC *cbc, const char *cipher_suite, int proto_version); int test_https_transfer (void *cls, const char *cipher_suite, int proto_version); int setup_testcase (struct MHD_Daemon **d, int daemon_flags, va_list arg_list); void teardown_testcase (struct MHD_Daemon *d); int setup_session (gnutls_session_t * session, gnutls_datum_t * key, gnutls_datum_t * cert, gnutls_certificate_credentials_t * xcred); int teardown_session (gnutls_session_t session, gnutls_datum_t * key, gnutls_datum_t * cert, gnutls_certificate_credentials_t xcred); int test_wrap (const char *test_name, int (*test_function) (void * cls, const char *cipher_suite, int proto_version), void *test_function_cls, int daemon_flags, const char *cipher_suite, int proto_version, ...); #endif /* TLS_TEST_COMMON_H_ */ libmicrohttpd-0.9.33/src/testcurl/https/key.pem0000644000175000017500000000321311260753603016466 00000000000000-----BEGIN RSA PRIVATE KEY----- MIIEowIBAAKCAQEAtN08lLyuR5lAIq0adOu7WiBDuG4m4eZ6qJVKFHaPy3m5TEFf qp67/0TQDE8eV3zS2eOf5GzPYHhfKmNL7D8kLz+I7psytCziWLiMJh2lJvb2152I niC4sArk4I2rnd1ZGQ6EPX7XiKPusHvVE6VamacaWy7pQTIf1bL19HDydVRQu60+ faPYQFJRX/Y1/xpinWCO/TLYFcdDjwY5pkg+pInAQX5n4JDu2yBsJUbbCMjM58Wx 7ulbqF/3lca0765gsIBFy1kWeq7vDEJeWH6nhl10VcDHl1PetSnn27r5hD3HIAsZ vBWdQtXJwxxV4bIkoAMzAYwv2+ilYTUOCp1HWQIDAQABAoIBAArOQv3R7gmqDspj lDaTFOz0C4e70QfjGMX0sWnakYnDGn6DU19iv3GnX1S072ejtgc9kcJ4e8VUO79R EmqpdRR7k8dJr3RTUCyjzf/C+qiCzcmhCFYGN3KRHA6MeEnkvRuBogX4i5EG1k5l /5t+YBTZBnqXKWlzQLKoUAiMLPg0eRWh+6q7H4N7kdWWBmTpako7TEqpIwuEnPGx u3EPuTR+LN6lF55WBePbCHccUHUQaXuav18NuDkcJmCiMArK9SKb+h0RqLD6oMI/ dKD6n8cZXeMBkK+C8U/K0sN2hFHACsu30b9XfdnljgP9v+BP8GhnB0nCB6tNBCPo 32srOwECgYEAxWh3iBT4lWqL6bZavVbnhmvtif4nHv2t2/hOs/CAq8iLAw0oWGZc +JEZTUDMvFRlulr0kcaWra+4fN3OmJnjeuFXZq52lfMgXBIKBmoSaZpIh2aDY1Rd RbEse7nQl9hTEPmYspiXLGtnAXW7HuWqVfFFP3ya8rUS3t4d07Hig8ECgYEA6ou6 OHiBRTbtDqLIv8NghARc/AqwNWgEc9PelCPe5bdCOLBEyFjqKiT2MttnSSUc2Zob XhYkHC6zN1Mlq30N0e3Q61YK9LxMdU1vsluXxNq2rfK1Scb1oOlOOtlbV3zA3VRF hV3t1nOA9tFmUrwZi0CUMWJE/zbPAyhwWotKyZkCgYEAh0kFicPdbABdrCglXVae SnfSjVwYkVuGd5Ze0WADvjYsVkYBHTvhgRNnRJMg+/vWz3Sf4Ps4rgUbqK8Vc20b AU5G6H6tlCvPRGm0ZxrwTWDHTcuKRVs+pJE8C/qWoklE/AAhjluWVoGwUMbPGuiH 6Gf1bgHF6oj/Sq7rv/VLZ8ECgYBeq7ml05YyLuJutuwa4yzQ/MXfghzv4aVyb0F3 QCdXR6o2IYgR6jnSewrZKlA9aPqFJrwHNR6sNXlnSmt5Fcf/RWO/qgJQGLUv3+rG 7kuLTNDR05azSdiZc7J89ID3Bkb+z2YkV+6JUiPq/Ei1+nDBEXb/m+/HqALU/nyj P3gXeQKBgBusb8Rbd+KgxSA0hwY6aoRTPRt8LNvXdsB9vRcKKHUFQvxUWiUSS+L9 /Qu1sJbrUquKOHqksV5wCnWnAKyJNJlhHuBToqQTgKXjuNmVdYSe631saiI7PHyC eRJ6DxULPxABytJrYCRrNqmXi5TCiqR2mtfalEMOPxz8rUU8dYyx -----END RSA PRIVATE KEY----- libmicrohttpd-0.9.33/src/testcurl/https/test_https_get.c0000644000175000017500000000715212242465116020405 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_https_get.c * @brief Testcase for libmicrohttpd HTTPS GET operations * @author Sagie Amir */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; extern const char srv_signed_cert_pem[]; extern const char srv_signed_key_pem[]; static int test_cipher_option (FILE * test_fd, const char *cipher_suite, int proto_version) { int ret; struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, 4233, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } ret = test_https_transfer (test_fd, cipher_suite, proto_version); MHD_stop_daemon (d); return ret; } /* perform a HTTP GET request via SSL/TLS */ static int test_secure_get (FILE * test_fd, const char *cipher_suite, int proto_version) { int ret; struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_SSL | MHD_USE_DEBUG, 4233, NULL, NULL, &http_ahc, NULL, MHD_OPTION_HTTPS_MEM_KEY, srv_signed_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_signed_cert_pem, MHD_OPTION_END); if (d == NULL) { fprintf (stderr, MHD_E_SERVER_INIT); return -1; } ret = test_https_transfer (test_fd, cipher_suite, proto_version); MHD_stop_daemon (d); return ret; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; const char *aes256_sha_tlsv1 = "AES256-SHA"; const char *aes256_sha_sslv3 = "AES256-SHA"; const char *des_cbc3_sha_tlsv1 = "DES-CBC3-SHA"; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } if (curl_uses_nss_ssl() == 0) { aes256_sha_tlsv1 = "rsa_aes_256_sha"; aes256_sha_sslv3 = "rsa_aes_256_sha"; des_cbc3_sha_tlsv1 = "rsa_aes_128_sha"; } errorCount += test_secure_get (NULL, aes256_sha_tlsv1, CURL_SSLVERSION_TLSv1); errorCount += test_secure_get (NULL, aes256_sha_sslv3, CURL_SSLVERSION_SSLv3); errorCount += test_cipher_option (NULL, des_cbc3_sha_tlsv1, CURL_SSLVERSION_TLSv1); print_test_result (errorCount, argv[0]); curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/test_empty_response.c0000644000175000017500000001277712220070440021455 00000000000000/* This file is part of libmicrohttpd (C) 2013 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_empty_response.c * @brief Testcase for libmicrohttpd HTTPS GET operations with emtpy reply * @author Christian Grothoff */ #include "platform.h" #include "microhttpd.h" #include #include #include #include #include "tls_test_common.h" extern const char srv_key_pem[]; extern const char srv_self_signed_cert_pem[]; extern const char srv_signed_cert_pem[]; extern const char srv_signed_key_pem[]; static int oneone; static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { struct MHD_Response *response; int ret; response = MHD_create_response_from_buffer (0, NULL, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalSelectGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL | MHD_USE_SELECT_INTERNALLY, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_HTTPS_MEM_KEY, srv_key_pem, MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, MHD_OPTION_END); if (d == NULL) return 256; char *aes256_sha = "AES256-SHA"; if (curl_uses_nss_ssl() == 0) { aes256_sha = "rsa_aes_256_sha"; } c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "https://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); /* TLS options */ curl_easy_setopt (c, CURLOPT_SSLVERSION, CURL_SSLVERSION_SSLv3); curl_easy_setopt (c, CURLOPT_SSL_CIPHER_LIST, aes256_sha); curl_easy_setopt (c, CURLOPT_SSL_VERIFYPEER, 0); curl_easy_setopt (c, CURLOPT_SSL_VERIFYHOST, 0); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != 0) return 8192; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_ALL)) { fprintf (stderr, "Error: %s\n", strerror (errno)); return -1; } if (0 != (errorCount = testInternalSelectGet ())) fprintf (stderr, "Fail: %d\n", errorCount); curl_global_cleanup (); return errorCount != 0; } libmicrohttpd-0.9.33/src/testcurl/https/tls_test_keys.h0000644000175000017500000002441012161372406020241 00000000000000/* This file is part of libmicrohttpd (C) 2006, 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef MHD_TLS_TEST_KEYS_H #define MHD_TLS_TEST_KEYS_H /* Test Certificates */ /* Certificate Authority key */ const char ca_key_pem[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEowIBAAKCAQEA0EdlP613rjFvEj93tGo9fzBoKWU3CW+AbbfcJ397C89MyZ9J\n" "rlxyLGfa6qVX7CFVNmzgWWfcl2tHlw/fZmWtf/SFgrlkldvuGyY8H3n2HuMsWz/E\n" "h7n5VgwBX8NsP4eZNmikepxpr1mYx25K8FjnsKjAR9jGUSV8UfZ7VLIY0x/yqe+3\n" "32oqc4D/wJbV1AwwvC5Xf9rvHJwcZg57eqbDCL/4GDDk7d9Gark4XK6ZG+FnnxQn\n" "4a4jIdf4FoPp9s0EieHrHwYzs/uBqmfCSF4wXiaO8bmEwtbAsVbZH74Le7ggUbEe\n" "o+jan9XK0dE88AIImGzgoBnlic/Rr7J8OWA+iwIDAQABAoIBAEICZqXkUdpsw2F6\n" "qPMOergNPO3lrKg6ZO8hBs6j2fj3tcPuzljK5sqJDboxNejZ9Zo+rmnXf3Oj5fgL\n" "6UcYMYEsm4W/QRA3uEJ1fzeQnT7Ty9KNprlHaSzquCLEGlIWJSo3xu0vFlWjJUcL\n" "fwemfaOhD/OVUeEU6s5FOngwy6pZUsOajs3fNRtwBGuuXjniKZZlpSf2Wqu3xpHZ\n" "31OF1V0ycUCGPPFtpmUCtnZhS9L8QBTkNtfTIdXv6SfoBRFm0oXb0uL5HGft6yc7\n" "eYRXIscllQciqG3ymJ/y9o0E3A0YsBVauQyi7OEk+Kg8uoYOBkZCIY69hoN2Znlk\n" "OY5S5Z0CgYEA3j8pRAJzvc827KcX4vJf05HYD4aCyaI80fNmx1DgXfglTSGLQ361\n" "6i05YW8WtIvgkma3wF+jJOckBCW/7iq8wAX7Kz75WKGRyyTEb0wSfjx0G8grxX4d\n" "7sTIAAOnQj5WT6E/bkqxQZAYnVtIPxKtSlwts0H/bjPVYwSFchHK7t8CgYEA7+ks\n" "C0EMjF8CDeCfvbOUGiiqAvU3G20LEC3WlJM3AU+J9Jzp6AMkgaIA8J5oNdsbFBn4\n" "N12JPOO+7WRUk6Av8bsh4faE36ThnHohgAL8guRU7jIXvsFyO5yiY7/o/0lES0/V\n" "6xkh/Epj4MReuCGkiD9ifCVAo+dhHskeE9qbYdUCgYA4yBpa7eV0UUTPIcHQkew5\n" "ucFh9hPkQDcZzP4tXlR0rbmaAz/5dp4zvmoyopdCeZpezS+VTtn3y7Y/+QUYbILc\n" "7KpHWkeKhX0iUbp+VQlEh12C25mTU62CG3SdzFEnc5XJsoDqRNsUzSP80B2dP8BW\n" "h0aFzg7csRGLwtP1WOZoMQKBgQCrgsKd+Q8Dexh421DXyX3jhZalLrEKxlXWZy60\n" "YNo98aLqYRNHbpe2pR6O5nARsGYXZMlyq0flY9um0sc0Epyz79g1NoufZrxzpUw1\n" "u+zRlnKxJtaa5KjJvRzKuvPTLYnJXXXM8Na/Cl+E3F3qvQJm9QlvPyKLCmsAGz+J\n" "agsTUQKBgC0wqqJ6b1tbrAD8AVeeAn/IiP1rxYpc3x2s6ikFO2FMHXHC9wgrRPOc\n" "mkokV+DrUOv3I/7jG8wQA/FmBUPy562a1bObIKzg6CPXzrN68AmNnOIVU+H8fdxI\n" "iGyfT8WNpcRmtN11v34qXHwOWGQhpyyk2yNa8VIBSpkShq/EseZ1\n" "-----END RSA PRIVATE KEY-----\n"; /* Certificate Authority cert */ const char ca_cert_pem[] = "-----BEGIN CERTIFICATE-----\n" "MIIC6DCCAdKgAwIBAgIES0KCvTALBgkqhkiG9w0BAQUwFzEVMBMGA1UEAxMMdGVz\n" "dF9jYV9jZXJ0MB4XDTEwMDEwNTAwMDcyNVoXDTQ1MDMxMjAwMDcyNVowFzEVMBMG\n" "A1UEAxMMdGVzdF9jYV9jZXJ0MIIBHzALBgkqhkiG9w0BAQEDggEOADCCAQkCggEA\n" "0EdlP613rjFvEj93tGo9fzBoKWU3CW+AbbfcJ397C89MyZ9JrlxyLGfa6qVX7CFV\n" "NmzgWWfcl2tHlw/fZmWtf/SFgrlkldvuGyY8H3n2HuMsWz/Eh7n5VgwBX8NsP4eZ\n" "Nmikepxpr1mYx25K8FjnsKjAR9jGUSV8UfZ7VLIY0x/yqe+332oqc4D/wJbV1Aww\n" "vC5Xf9rvHJwcZg57eqbDCL/4GDDk7d9Gark4XK6ZG+FnnxQn4a4jIdf4FoPp9s0E\n" "ieHrHwYzs/uBqmfCSF4wXiaO8bmEwtbAsVbZH74Le7ggUbEeo+jan9XK0dE88AII\n" "mGzgoBnlic/Rr7J8OWA+iwIDAQABo0MwQTAPBgNVHRMBAf8EBTADAQH/MA8GA1Ud\n" "DwEB/wQFAwMHBAAwHQYDVR0OBBYEFP2olB4s2T/xuoQ5pT2RKojFwZo2MAsGCSqG\n" "SIb3DQEBBQOCAQEAebD5m+vZkVXa8y+QZ5GtsiR9gpH+LKtdWBjk1kmfSgvQI/xA\n" "aDCV/9BhdNGIBOTYGkln8urWd7g2Mj3TwKEAfNTUFpAsrBAlSSLTGYCSt72S2NsS\n" "L/qUxmj1W6X95UHXCo49mSZx3LlaY3mz1L87gq/kK0XpzA3g2uF25jt84RvshsXy\n" "clOc+eRrVETqFZqer96WB7kzFTv+qmROQKmW8X4a2A5r5Jl4vRwOz5/rEeB9Qs0K\n" "rmK8+5HgvWd80WB8BtfFtZfoY/hHVM8nLD3ELVJrOKiTeIACunQFyT5lV0QkdmSA\n" "CGInU7jzs8nu+s2avf6j+eVZUbVJ+dFMApTJgg==\n" "-----END CERTIFICATE-----\n"; /* test server CA signed certificates */ const char srv_signed_cert_pem[] = "-----BEGIN CERTIFICATE-----\n" "MIIDGzCCAgWgAwIBAgIES0KCvTALBgkqhkiG9w0BAQUwFzEVMBMGA1UEAxMMdGVz\n" "dF9jYV9jZXJ0MB4XDTEwMDEwNTAwMDcyNVoXDTQ1MDMxMjAwMDcyNVowFzEVMBMG\n" "A1UEAxMMdGVzdF9jYV9jZXJ0MIIBHzALBgkqhkiG9w0BAQEDggEOADCCAQkCggEA\n" "vfTdv+3fgvVTKRnP/HVNG81cr8TrUP/iiyuve/THMzvFXhCW+K03KwEku55QvnUn\n" "dwBfU/ROzLlv+5hotgiDRNFT3HxurmhouySBrJNJv7qWp8ILq4sw32vo0fbMu5BZ\n" "F49bUXK9L3kW2PdhTtSQPWHEzNrCxO+YgCilKHkY3vQNfdJ020Q5EAAEseD1YtWC\n" "IpRvJzYlZMpjYB1ubTl24kwrgOKUJYKqM4jmF4DVQp4oOK/6QYGGh1QmHRPAy3CB\n" "II6sbb+sZT9cAqU6GYQVB35lm4XAgibXV6KgmpVxVQQ69U6xyoOl204xuekZOaG9\n" "RUPId74Rtmwfi1TLbBzo2wIDAQABo3YwdDAMBgNVHRMBAf8EAjAAMBMGA1UdJQQM\n" "MAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMHIAAwHQYDVR0OBBYEFOFi4ilKOP1d\n" "XHlWCMwmVKr7mgy8MB8GA1UdIwQYMBaAFP2olB4s2T/xuoQ5pT2RKojFwZo2MAsG\n" "CSqGSIb3DQEBBQOCAQEAHVWPxazupbOkG7Did+dY9z2z6RjTzYvurTtEKQgzM2Vz\n" "GQBA+3pZ3c5mS97fPIs9hZXfnQeelMeZ2XP1a+9vp35bJjZBBhVH+pqxjCgiUflg\n" "A3Zqy0XwwVCgQLE2HyaU3DLUD/aeIFK5gJaOSdNTXZLv43K8kl4cqDbMeRpVTbkt\n" "YmG4AyEOYRNKGTqMEJXJoxD5E3rBUNrVI/XyTjYrulxbNPcMWEHKNeeqWpKDYTFo\n" "Bb01PCthGXiq/4A2RLAFosadzRa8SBpoSjPPfZ0b2w4MJpReHqKbR5+T2t6hzml6\n" "4ToyOKPDmamiTuN5KzLN3cw7DQlvWMvqSOChPLnA3Q==\n" "-----END CERTIFICATE-----\n"; /* test server key */ const char srv_signed_key_pem[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEowIBAAKCAQEAvfTdv+3fgvVTKRnP/HVNG81cr8TrUP/iiyuve/THMzvFXhCW\n" "+K03KwEku55QvnUndwBfU/ROzLlv+5hotgiDRNFT3HxurmhouySBrJNJv7qWp8IL\n" "q4sw32vo0fbMu5BZF49bUXK9L3kW2PdhTtSQPWHEzNrCxO+YgCilKHkY3vQNfdJ0\n" "20Q5EAAEseD1YtWCIpRvJzYlZMpjYB1ubTl24kwrgOKUJYKqM4jmF4DVQp4oOK/6\n" "QYGGh1QmHRPAy3CBII6sbb+sZT9cAqU6GYQVB35lm4XAgibXV6KgmpVxVQQ69U6x\n" "yoOl204xuekZOaG9RUPId74Rtmwfi1TLbBzo2wIDAQABAoIBADu09WSICNq5cMe4\n" "+NKCLlgAT1NiQpLls1gKRbDhKiHU9j8QWNvWWkJWrCya4QdUfLCfeddCMeiQmv3K\n" "lJMvDs+5OjJSHFoOsGiuW2Ias7IjnIojaJalfBml6frhJ84G27IXmdz6gzOiTIer\n" "DjeAgcwBaKH5WwIay2TxIaScl7AwHBauQkrLcyb4hTmZuQh6ArVIN6+pzoVuORXM\n" "bpeNWl2l/HSN3VtUN6aCAKbN/X3o0GavCCMn5Fa85uJFsab4ss/uP+2PusU71+zP\n" "sBm6p/2IbGvF5k3VPDA7X5YX61sukRjRBihY8xSnNYx1UcoOsX6AiPnbhifD8+xQ\n" "Tlf8oJUCgYEA0BTfzqNpr9Wxw5/QXaSdw7S/0eP5a0C/nwURvmfSzuTD4equzbEN\n" "d+dI/s2JMxrdj/I4uoAfUXRGaabevQIjFzC9uyE3LaOyR2zhuvAzX+vVcs6bSXeU\n" "pKpCAcN+3Z3evMaX2f+z/nfSUAl2i4J2R+/LQAWJW4KwRky/m+cxpfUCgYEA6bN1\n" "b73bMgM8wpNt6+fcmS+5n0iZihygQ2U2DEud8nZJL4Nrm1dwTnfZfJBnkGj6+0Q0\n" "cOwj2KS0/wcEdJBP0jucU4v60VMhp75AQeHqidIde0bTViSRo3HWKXHBIFGYoU3T\n" "LyPyKndbqsOObnsFXHn56Nwhr2HLf6nw4taGQY8CgYBoSW36FLCNbd6QGvLFXBGt\n" "2lMhEM8az/K58kJ4WXSwOLtr6MD/WjNT2tkcy0puEJLm6BFCd6A6pLn9jaKou/92\n" "SfltZjJPb3GUlp9zn5tAAeSSi7YMViBrfuFiHObij5LorefBXISLjuYbMwL03MgH\n" "Ocl2JtA2ywMp2KFXs8GQWQKBgFyIVv5ogQrbZ0pvj31xr9HjqK6d01VxIi+tOmpB\n" "4ocnOLEcaxX12BzprW55ytfOCVpF1jHD/imAhb3YrHXu0fwe6DXYXfZV4SSG2vB7\n" "IB9z14KBN5qLHjNGFpMQXHSMek+b/ftTU0ZnPh9uEM5D3YqRLVd7GcdUhHvG8P8Q\n" "C9aXAoGBAJtID6h8wOGMP0XYX5YYnhlC7dOLfk8UYrzlp3xhqVkzKthTQTj6wx9R\n" "GtC4k7U1ki8oJsfcIlBNXd768fqDVWjYju5rzShMpo8OCTS6ipAblKjCxPPVhIpv\n" "tWPlbSn1qj6wylstJ5/3Z+ZW5H4wIKp5jmLiioDhcP0L/Ex3Zx8O\n" "-----END RSA PRIVATE KEY-----\n"; /* test server self signed certificates */ const char srv_self_signed_cert_pem[] = "-----BEGIN CERTIFICATE-----\n" "MIIC+jCCAeSgAwIBAgIES0KCvTALBgkqhkiG9w0BAQUwFzEVMBMGA1UEAxMMdGVz\n" "dF9jYV9jZXJ0MB4XDTEwMDEwNTAwMDcyNVoXDTQ1MDMxMjAwMDcyNVowFzEVMBMG\n" "A1UEAxMMdGVzdF9jYV9jZXJ0MIIBHzALBgkqhkiG9w0BAQEDggEOADCCAQkCggEA\n" "tDEagv3p9OUhUL55jMucxjNK9N5cuozhcnrwDfBSU6oVrqm5kPqO1I7Cggzw68Y5\n" "jhTcBi4FXmYOZppm1R3MhSJ5JSi/67Q7X4J5rnJLXYGN27qjMpnoGQ/2xmsNG/is\n" "i+h/2vbtPU+WP9SEJnTfPLLpZ7KqCAk7FUUzKsuLx3/SOKtdkrWxPKwYTgnDEN6D\n" "JL7tEzCnG5DFc4mQ7YW9PaRdC3rS1T8PvQ3jB2BUnohM0cFvKRuiU35tU7h7CPbL\n" "4L66VglXoiwqmgcrwI2U968bD0+wRQ5c5bzNoshJOzN6CTMh1IhbklSh/Z6FA/e8\n" "hj0yVo2tdllXuJGVs3PIEwIDAQABo1UwUzAMBgNVHRMBAf8EAjAAMBMGA1UdJQQM\n" "MAoGCCsGAQUFBwMBMA8GA1UdDwEB/wQFAwMHIAAwHQYDVR0OBBYEFDfU7pAv9LYn\n" "n7jb4WHl4+Vgi2FnMAsGCSqGSIb3DQEBBQOCAQEAkaembPQMmv6OOjbIod8zTatr\n" "x5Bwkwp3TOE1NRyy2OytzFIYRUkNrZYlcmrxcbNNycIK41CNVXbriFCF8gcmIq9y\n" "vaKZn8Gcy+vGggv+1BP9IAPBGKRwSi0wmq9JoGE8hx+qqTpRSdfbM/cps/09hicO\n" "0EIR7kWEbvnpMBcMKYOtYE9Gce7rdSMWVAsKc174xn8vW6TxCUvmWFv5DPg5HG1v\n" "y1SUX73qafRo+W6FN4UC/DHfwRhF8RSKEnVbmgDVCs6GHdKBjU2qRgYyj6nWZqK1\n" "XFUTWgia+Fl3D9vlsXaFcSZKA0Bq1eojl0B0AfeYAxTFwPWXscKvt/bXZfH8bg==\n" "-----END CERTIFICATE-----\n"; /* test server key */ const char srv_key_pem[] = "-----BEGIN RSA PRIVATE KEY-----\n" "MIIEpAIBAAKCAQEAtDEagv3p9OUhUL55jMucxjNK9N5cuozhcnrwDfBSU6oVrqm5\n" "kPqO1I7Cggzw68Y5jhTcBi4FXmYOZppm1R3MhSJ5JSi/67Q7X4J5rnJLXYGN27qj\n" "MpnoGQ/2xmsNG/isi+h/2vbtPU+WP9SEJnTfPLLpZ7KqCAk7FUUzKsuLx3/SOKtd\n" "krWxPKwYTgnDEN6DJL7tEzCnG5DFc4mQ7YW9PaRdC3rS1T8PvQ3jB2BUnohM0cFv\n" "KRuiU35tU7h7CPbL4L66VglXoiwqmgcrwI2U968bD0+wRQ5c5bzNoshJOzN6CTMh\n" "1IhbklSh/Z6FA/e8hj0yVo2tdllXuJGVs3PIEwIDAQABAoIBAAEtcg+LFLGtoxjq\n" "b+tFttBJfbRcfdG6ocYqBGmUXF+MgFs573DHX3sHNOQxlaNHtSgIclF1eYgNZFFt\n" "VLIoBFTzfEQXoFosPUDoEuqVMeXLttmD7P2jwL780XJLZ4Xj6GY07npq1iGBcEZf\n" "yCcdoyGkr9jgc5Auyis8DStGg/jfUBC4NBvF0GnuuNPAdYRPKUpKw9EatI+FdMjy\n" "BuroD90fhdkK8EwMEVb9P17bdIc1MCIZFpUE9YHjVdK/oxCUhQ8KRfdbI4JU5Zh3\n" "UtO6Jm2wFuP3VmeVpPvE/C2rxI70pyl6HMSiFGNc0rhJYCQ+yhohWj7nZ67H4vLx\n" "plv5LxkCgYEAz7ewou8oFafDAMNoxaqKudvUg+lxXewdLDKaYBF5ACi9uAPCJ+v7\n" "M5c/fvPFn/XHzo7xaXbtTAH3Z5xzBs+80OsvL+e1Ut4xR+ELRkybknh/s2wQeABk\n" "Kb0vA59ukQGj12LV5phZMaVoXe6KJ7hZnN62d3K6m1wGE/k58i4pPLUCgYEA3hN8\n" "G95zW7g0jVdSr+KUeVmephph9yh8Yb+3I3ojwOIv6d45TopGx8pFZlnBAMZf1ZQx\n" "DIhzJNnaqZy/4w7RNaOGWnPA/5f+MIoHBiLGEEmfHC3lt087Yp9OuwDUHwpETYdV\n" "o+KBCvVh60Et3bZUgF/1k/3YXxn8J5dsmJsjNqcCgYBLflyRa1BrRnTGMz9CEDCp\n" "Si9b3h1Y4Hbd2GppHhCXMTd6yMrpDYhYANGQB3M9Juv+s88j4JhwNoq/uonH4Pqk\n" "B8Y3qAQr4RuSH0WkwDUOsALhqBX4N1QwI1USAQEDbNAqeP5698X7GD3tXcQSmZrg\n" "O8WfdjBCRNjkq4EW9xX/vQKBgQDONtmwJ0iHiu2BseyeVo/4fzfKlgUSNQ4K1rOA\n" "xhIdMeu8Bxa/z7caHsGC4SVPSuYCtbE2Kh6BwapChcPJXCD45fgEViiJLuJiwEj1\n" "caTpyvNsf1IoffJvCe9ZxtMyX549P8ZOgC3Dt0hN5CBrGLwu2Ox5l+YrqT10pi+5\n" "JZX1UQKBgQCrcXrdkkDAc/a4+PxNRpJRLcU4fhv8/lr+UWItE8eUe7bd25bTQfQm\n" "VpNKc/kAJ66PjIED6fy3ADhd2y4naT2a24uAgQ/M494J68qLnGh6K4JU/09uxR2v\n" "1i2q/4FNLdFFk1XP4iNnTHRLZ+NYr2p5Y9RcvQfTjOauz8Ahav0lyg==\n" "-----END RSA PRIVATE KEY-----\n"; #endif libmicrohttpd-0.9.33/src/testcurl/test_get_chunked.c0000644000175000017500000002576112161372406017527 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get_chunked.c * @brief Testcase for libmicrohttpd GET operations with chunked content encoding * TODO: * - how to test that chunking was actually used? * - use CURLOPT_HEADERFUNCTION to validate * footer was sent * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * MHD content reader callback that returns * data in chunks. */ static ssize_t crc (void *cls, uint64_t pos, char *buf, size_t max) { struct MHD_Response **responseptr = cls; if (pos == 128 * 10) { MHD_add_response_header (*responseptr, "Footer", "working"); return MHD_CONTENT_READER_END_OF_STREAM; } if (max < 128) abort (); /* should not happen in this testcase... */ memset (buf, 'A' + (pos / 128), 128); return 128; } /** * Dummy function that does nothing. */ static void crcf (void *ptr) { free (ptr); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; struct MHD_Response **responseptr; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } responseptr = malloc (sizeof (struct MHD_Response *)); if (responseptr == NULL) return MHD_NO; response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 1024, &crc, responseptr, &crcf); *responseptr = response; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int validate (struct CBC cbc, int ebase) { int i; char buf[128]; if (cbc.pos != 128 * 10) return ebase; for (i = 0; i < 10; i++) { memset (buf, 'A' + i, 128); if (0 != memcmp (buf, &cbc.buf[i * 128], 128)) { fprintf (stderr, "Got `%.*s'\nWant `%.*s'\n", 128, buf, 128, &cbc.buf[i * 128]); return ebase * 2; } } return 0; } static int testInternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); return validate (cbc, 4); } static int testMultithreadedGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); return validate (cbc, 64); } static int testMultithreadedPoolGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); return validate (cbc, 64); } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 5L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); return validate (cbc, 8192); } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testMultithreadedPoolGet (); errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_parse_cookies.c0000644000175000017500000001542612216711177020075 00000000000000 /* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_parse_cookies.c * @brief Testcase for HTTP cookie parsing * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; const char *hdr; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; ret = 0; hdr = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, "name1"); if ((hdr == NULL) || (0 != strcmp (hdr, "var1"))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, "name2"); if ((hdr == NULL) || (0 != strcmp (hdr, "var2"))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, "name3"); if ((hdr == NULL) || (0 != strcmp (hdr, ""))) abort (); hdr = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, "name4"); if ((hdr == NULL) || (0 != strcmp (hdr, "var4 with spaces"))) abort (); response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 21080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:21080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); /* note that the string below intentionally uses the various ways cookies can be specified to exercise the parser! Do not change! */ curl_easy_setopt (c, CURLOPT_COOKIE, "name1=var1; name2=var2,name3 ;name4=\"var4 with spaces\";"); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_get.c0000644000175000017500000003466612216711177016035 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2009, 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get.c * @brief Testcase for libmicrohttpd GET operations * TODO: test parsing of query * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifdef __MINGW32__ #define usleep(usec) (Sleep ((usec) / 1000),0) #endif #ifndef WINDOWS #include #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet (int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedGet (int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG | poll_flag, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolGet (int poll_flag) { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system!*/ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } static int testUnknownPortGet (int poll_flag) { struct MHD_Daemon *d; const union MHD_DaemonInfo *di; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct sockaddr_in addr; socklen_t addr_len = sizeof(addr); memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = 0; addr.sin_addr.s_addr = INADDR_ANY; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 1, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_SOCK_ADDR, &addr, MHD_OPTION_END); if (d == NULL) return 32768; di = MHD_get_daemon_info (d, MHD_DAEMON_INFO_LISTEN_FD); if (di == NULL) return 65536; if (0 != getsockname(di->listen_fd, (struct sockaddr *) &addr, &addr_len)) return 131072; if (addr.sin_family != AF_INET) return 26214; snprintf(buf, sizeof(buf), "http://127.0.0.1:%hu/hello_world", ntohs(addr.sin_port)); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, buf); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); /* NOTE: use of CONNECTTIMEOUT without also setting NOSIGNAL results in really weird crashes on my system! */ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 524288; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 1048576; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 2097152; return 0; } static int testStopRace (int poll_flag) { struct sockaddr_in sin; int fd; struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG | poll_flag, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_TIMEOUT, 5, MHD_OPTION_END); if (d == NULL) return 16; fd = SOCKET (PF_INET, SOCK_STREAM, 0); if (fd < 0) { fprintf(stderr, "socket: %m\n"); return 256; } memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(1081); sin.sin_addr.s_addr = htonl(0x7f000001); if (CONNECT (fd, (struct sockaddr *)(&sin), sizeof(sin)) < 0) { fprintf(stderr, "connect: %m\n"); CLOSE (fd); return 512; } /* printf("Waiting\n"); */ /* Let the thread get going. */ usleep(500000); /* printf("Stopping daemon\n"); */ MHD_stop_daemon (d); CLOSE (fd); /* printf("good\n"); */ return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (0); errorCount += testMultithreadedGet (0); errorCount += testMultithreadedPoolGet (0); errorCount += testUnknownPortGet (0); errorCount += testStopRace (0); errorCount += testExternalGet (); #ifndef WINDOWS errorCount += testInternalGet (MHD_USE_POLL); errorCount += testMultithreadedGet (MHD_USE_POLL); errorCount += testMultithreadedPoolGet (MHD_USE_POLL); errorCount += testUnknownPortGet (MHD_USE_POLL); errorCount += testStopRace (MHD_USE_POLL); #endif #if EPOLL_SUPPORT errorCount += testInternalGet (MHD_USE_EPOLL_LINUX_ONLY); errorCount += testMultithreadedPoolGet (MHD_USE_EPOLL_LINUX_ONLY); errorCount += testUnknownPortGet (MHD_USE_EPOLL_LINUX_ONLY); #endif if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_postform.c0000644000175000017500000003257112220070440017102 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_postform.c * @brief Testcase for libmicrohttpd POST operations using multipart/postform data * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #ifndef WINDOWS #include #endif static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static void completed_cb (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct MHD_PostProcessor *pp = *con_cls; if (NULL != pp) MHD_destroy_post_processor (pp); *con_cls = NULL; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * Note that this post_iterator is not perfect * in that it fails to support incremental processing. * (to be fixed in the future) */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *value, uint64_t off, size_t size) { int *eok = cls; #if 0 fprintf (stderr, "PI sees %s-%.*s\n", key, size, value); #endif if ((0 == strcmp (key, "name")) && (size == strlen ("daniel")) && (0 == strncmp (value, "daniel", size))) (*eok) |= 1; if ((0 == strcmp (key, "project")) && (size == strlen ("curl")) && (0 == strncmp (value, "curl", size))) (*eok) |= 2; return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int eok; struct MHD_Response *response; struct MHD_PostProcessor *pp; int ret; if (0 != strcmp ("POST", method)) { printf ("METHOD: %s\n", method); return MHD_NO; /* unexpected method */ } pp = *unused; if (pp == NULL) { eok = 0; pp = MHD_create_post_processor (connection, 1024, &post_iterator, &eok); if (pp == NULL) abort (); *unused = pp; } MHD_post_process (pp, upload_data, *upload_data_size); if ((eok == 3) && (0 == *upload_data_size)) { response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); MHD_destroy_post_processor (pp); *unused = NULL; return ret; } *upload_data_size = 0; return MHD_YES; } static struct curl_httppost * make_form () { struct curl_httppost *post = NULL; struct curl_httppost *last = NULL; curl_formadd (&post, &last, CURLFORM_COPYNAME, "name", CURLFORM_COPYCONTENTS, "daniel", CURLFORM_END); curl_formadd (&post, &last, CURLFORM_COPYNAME, "project", CURLFORM_COPYCONTENTS, "curl", CURLFORM_END); return post; } static int testInternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct curl_httppost *pd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct curl_httppost *pd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 5L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; struct curl_httppost *pd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 5L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; struct curl_httppost *pd; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_formfree (pd); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); curl_formfree (pd); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); curl_formfree (pd); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } curl_formfree (pd); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); #ifdef GCRYCTL_INITIALIZATION_FINISHED gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); #endif oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPost (); errorCount += testMultithreadedPost (); errorCount += testMultithreadedPoolPost (); errorCount += testExternalPost (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/curl_version_check.c0000644000175000017500000001126712161372406020053 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file curl_version_check.c * @brief verify required cURL version is available to run tests * @author Sagie Amir */ #include "MHD_config.h" #include "platform.h" #include #ifndef WINDOWS #include #endif static int parse_version_number (const char **s) { int i = 0; char num[17]; while (i < 16 && ((**s >= '0') & (**s <= '9'))) { num[i] = **s; (*s)++; i++; } num[i] = '\0'; return atoi (num); } const char * parse_version_string (const char *s, int *major, int *minor, int *micro) { if (!s) return NULL; *major = parse_version_number (&s); if (*s != '.') return NULL; s++; *minor = parse_version_number (&s); if (*s != '.') return NULL; s++; *micro = parse_version_number (&s); return s; } #if HTTPS_SUPPORT int curl_uses_nss_ssl() { return (strstr(curl_version(), " NSS/") != NULL) ? 0 : -1; } #endif /* * check local libcurl version matches required version */ int curl_check_version (const char *req_version) { const char *ver; const char *curl_ver; #if HTTPS_SUPPORT const char *ssl_ver; const char *req_ssl_ver; #endif int loc_major, loc_minor, loc_micro; int rq_major, rq_minor, rq_micro; ver = curl_version (); #if HAVE_MESSAGES fprintf (stderr, "curl version: %s\n", ver); #endif /* * this call relies on the cURL string to be of the exact following format : * 'libcurl/7.16.4 OpenSSL/0.9.8g zlib/1.2.3.3 libidn/0.6.5' OR * 'libcurl/7.18.2 GnuTLS/2.4.0 zlib/1.2.3.3 libidn/0.6.5' */ curl_ver = strchr (ver, '/'); if (curl_ver == NULL) return -1; curl_ver++; /* Parse version numbers */ if ( (NULL == parse_version_string (req_version, &rq_major, &rq_minor, &rq_micro)) || (NULL == parse_version_string (curl_ver, &loc_major, &loc_minor, &loc_micro)) ) return -1; /* Compare version numbers. */ if ((loc_major > rq_major || (loc_major == rq_major && loc_minor > rq_minor) || (loc_major == rq_major && loc_minor == rq_minor && loc_micro > rq_micro) || (loc_major == rq_major && loc_minor == rq_minor && loc_micro == rq_micro)) == 0) { fprintf (stderr, "Error: running curl test depends on local libcurl version > %s\n", req_version); return -1; } /* * enforce required gnutls/openssl version. * TODO use curl version string to assert use of gnutls */ #if HTTPS_SUPPORT ssl_ver = strchr (curl_ver, ' '); if (ssl_ver == NULL) return -1; ssl_ver++; if (strncmp ("GnuTLS", ssl_ver, strlen ("GNUtls")) == 0) { ssl_ver = strchr (ssl_ver, '/'); req_ssl_ver = MHD_REQ_CURL_GNUTLS_VERSION; } else if (strncmp ("OpenSSL", ssl_ver, strlen ("OpenSSL")) == 0) { ssl_ver = strchr (ssl_ver, '/'); req_ssl_ver = MHD_REQ_CURL_OPENSSL_VERSION; } else if (strncmp ("NSS", ssl_ver, strlen ("NSS")) == 0) { ssl_ver = strchr (ssl_ver, '/'); req_ssl_ver = MHD_REQ_CURL_NSS_VERSION; } else { fprintf (stderr, "Error: unrecognized curl ssl library\n"); return -1; } if (ssl_ver == NULL) return -1; ssl_ver++; if ( (NULL == parse_version_string (req_ssl_ver, &rq_major, &rq_minor, &rq_micro)) || (NULL == parse_version_string (ssl_ver, &loc_major, &loc_minor, &loc_micro)) ) return -1; if ((loc_major > rq_major || (loc_major == rq_major && loc_minor > rq_minor) || (loc_major == rq_major && loc_minor == rq_minor && loc_micro > rq_micro) || (loc_major == rq_major && loc_minor == rq_minor && loc_micro == rq_micro)) == 0) { fprintf (stderr, "Error: running curl test depends on local libcurl SSL version > %s\n", req_ssl_ver); return -1; } #endif return 0; } libmicrohttpd-0.9.33/src/testcurl/test_put_chunked.c0000644000175000017500000003054712161372406017556 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_put_chunked.c * @brief Testcase for libmicrohttpd PUT operations with chunked encoding * for the upload data * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > 8 - (*pos)) wrt = 8 - (*pos); if (wrt > 4) wrt = 4; /* only send half at first => force multiple chunks! */ memcpy (stream, &("Hello123"[*pos]), wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; int have; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) < 8) { have = *upload_data_size; if (have + *done > 8) { printf ("Invalid upload data `%8s'!\n", upload_data); return MHD_NO; } if (0 == memcmp (upload_data, &"Hello123"[*done], have)) { *done += have; *upload_data_size = 0; } else { printf ("Invalid upload data `%8s'!\n", upload_data); return MHD_NO; } #if 0 fprintf (stderr, "Not ready for response: %u/%u\n", *done, 8); #endif return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 1; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 4; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 8; return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 11081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testMultithreadedPoolPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 11081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 11082, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 256; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); multi = curl_multi_init (); if (multi == NULL) { curl_easy_cleanup (c); MHD_stop_daemon (d); return 512; } mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); c = NULL; multi = NULL; } } MHD_run (d); } if (multi != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); curl_multi_cleanup (multi); } MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 8192; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 16384; return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPut (); errorCount += testMultithreadedPut (); errorCount += testMultithreadedPoolPut (); errorCount += testExternalPut (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_start_stop.c0000644000175000017500000000620412161372442017440 00000000000000/* This file is part of libmicrohttpd (C) 2011 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_start_stop.c * @brief test for #1901 (start+stop) * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { return MHD_NO; } static int testInternalGet (int poll_flag) { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; MHD_stop_daemon (d); return 0; } static int testMultithreadedGet (int poll_flag) { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG | poll_flag, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 2; MHD_stop_daemon (d); return 0; } static int testMultithreadedPoolGet (int poll_flag) { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag, 1081, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 4; MHD_stop_daemon (d); return 0; } static int testExternalGet () { struct MHD_Daemon *d; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 8; MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; errorCount += testInternalGet (0); errorCount += testMultithreadedGet (0); errorCount += testMultithreadedPoolGet (0); errorCount += testExternalGet (); #ifndef WINDOWS errorCount += testInternalGet (MHD_USE_POLL); errorCount += testMultithreadedGet (MHD_USE_POLL); errorCount += testMultithreadedPoolGet (MHD_USE_POLL); #endif #if EPOLL_SUPPORT errorCount += testInternalGet (MHD_USE_EPOLL_LINUX_ONLY); errorCount += testMultithreadedPoolGet (MHD_USE_EPOLL_LINUX_ONLY); #endif if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testcurl/test_post_loop.c0000644000175000017500000003673312213571306017264 00000000000000/* This file is part of libmicrohttpd (C) 2007 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_post_loop.c * @brief Testcase for libmicrohttpd POST operations using URL-encoding * @author Christian Grothoff (inspired by bug report #1296) */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #include #ifndef WINDOWS #include #endif #define POST_DATA "\n\n1\n\n" #define LOOPCOUNT 1000 static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **mptr) { static int marker; struct MHD_Response *response; int ret; if (0 != strcmp ("POST", method)) { printf ("METHOD: %s\n", method); return MHD_NO; /* unexpected method */ } if ((*mptr != NULL) && (0 == *upload_data_size)) { if (*mptr != &marker) abort (); response = MHD_create_response_from_buffer (2, "OK", MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); *mptr = NULL; return ret; } if (strlen (POST_DATA) != *upload_data_size) return MHD_YES; *upload_data_size = 0; *mptr = ▮ return MHD_YES; } static int testInternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; int i; char url[1024]; cbc.buf = buf; cbc.size = 2048; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); if (d == NULL) return 1; for (i = 0; i < LOOPCOUNT; i++) { if (99 == i % 100) fprintf (stderr, "."); c = curl_easy_init (); cbc.pos = 0; buf[0] = '\0'; sprintf (url, "http://127.0.0.1:1080/hw%d", i); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2; } curl_easy_cleanup (c); if ((buf[0] != 'O') || (buf[1] != 'K')) { MHD_stop_daemon (d); return 4; } } MHD_stop_daemon (d); if (LOOPCOUNT >= 99) fprintf (stderr, "\n"); return 0; } static int testMultithreadedPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; int i; char url[1024]; cbc.buf = buf; cbc.size = 2048; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); if (d == NULL) return 16; for (i = 0; i < LOOPCOUNT; i++) { if (99 == i % 100) fprintf (stderr, "."); c = curl_easy_init (); cbc.pos = 0; buf[0] = '\0'; sprintf (url, "http://127.0.0.1:1081/hw%d", i); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); if ((buf[0] != 'O') || (buf[1] != 'K')) { MHD_stop_daemon (d); return 64; } } MHD_stop_daemon (d); if (LOOPCOUNT >= 99) fprintf (stderr, "\n"); return 0; } static int testMultithreadedPoolPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLcode errornum; int i; char url[1024]; cbc.buf = buf; cbc.size = 2048; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 1081, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_THREAD_POOL_SIZE, 4, MHD_OPTION_END); if (d == NULL) return 16; for (i = 0; i < LOOPCOUNT; i++) { if (99 == i % 100) fprintf (stderr, "."); c = curl_easy_init (); cbc.pos = 0; buf[0] = '\0'; sprintf (url, "http://127.0.0.1:1081/hw%d", i); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); if ((buf[0] != 'O') || (buf[1] != 'K')) { MHD_stop_daemon (d); return 64; } } MHD_stop_daemon (d); if (LOOPCOUNT >= 99) fprintf (stderr, "\n"); return 0; } static int testExternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; struct CURLMsg *msg; time_t start; struct timeval tv; int i; unsigned long long timeout; long ctimeout; char url[1024]; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 1082, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } for (i = 0; i < LOOPCOUNT; i++) { if (99 == i % 100) fprintf (stderr, "."); c = curl_easy_init (); cbc.pos = 0; buf[0] = '\0'; sprintf (url, "http://127.0.0.1:1082/hw%d", i); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (multi != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform (multi, &running)); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); MHD_stop_daemon (d); return 4096; } if (MHD_NO == MHD_get_timeout (d, &timeout)) timeout = 100; /* 100ms == INFTY -- CURL bug... */ if ((CURLM_OK == curl_multi_timeout (multi, &ctimeout)) && (ctimeout < timeout) && (ctimeout >= 0)) timeout = ctimeout; if ( (c == NULL) || (running == 0) ) timeout = 0; /* terminate quickly... */ tv.tv_sec = timeout / 1000; tv.tv_usec = (timeout % 1000) * 1000; if (-1 == select (max + 1, &rs, &ws, &es, &tv)) { if (EINTR == errno) continue; fprintf (stderr, "select failed: %s\n", strerror (errno)); break; } while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform (multi, &running)); if (running == 0) { msg = curl_multi_info_read (multi, &running); if (msg == NULL) break; if (msg->msg == CURLMSG_DONE) { if (msg->data.result != CURLE_OK) printf ("%s failed at %s:%d: `%s'\n", "curl_multi_perform", __FILE__, __LINE__, curl_easy_strerror (msg->data.result)); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } if ((buf[0] != 'O') || (buf[1] != 'K')) { curl_multi_cleanup (multi); MHD_stop_daemon (d); return 8192; } } curl_multi_cleanup (multi); MHD_stop_daemon (d); if (LOOPCOUNT >= 99) fprintf (stderr, "\n"); return 0; } /** * Time this round was started. */ static unsigned long long start_time; /** * Get the current timestamp * * @return current time in ms */ static unsigned long long now () { struct timeval tv; GETTIMEOFDAY (&tv, NULL); return (((unsigned long long) tv.tv_sec * 1000LL) + ((unsigned long long) tv.tv_usec / 1000LL)); } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; start_time = now(); errorCount += testInternalPost (); fprintf (stderr, oneone ? "%s: Sequential POSTs (http/1.1) %f/s\n" : "%s: Sequential POSTs (http/1.0) %f/s\n", "internal select", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0)); GAUGER ("internal select", oneone ? "Sequential POSTs (http/1.1)" : "Sequential POSTs (http/1.0)", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0), "requests/s"); start_time = now(); errorCount += testMultithreadedPost (); fprintf (stderr, oneone ? "%s: Sequential POSTs (http/1.1) %f/s\n" : "%s: Sequential POSTs (http/1.0) %f/s\n", "multithreaded post", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0)); GAUGER ("Multithreaded select", oneone ? "Sequential POSTs (http/1.1)" : "Sequential POSTs (http/1.0)", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0), "requests/s"); start_time = now(); errorCount += testMultithreadedPoolPost (); fprintf (stderr, oneone ? "%s: Sequential POSTs (http/1.1) %f/s\n" : "%s: Sequential POSTs (http/1.0) %f/s\n", "thread with pool", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0)); GAUGER ("thread with pool", oneone ? "Sequential POSTs (http/1.1)" : "Sequential POSTs (http/1.0)", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0), "requests/s"); start_time = now(); errorCount += testExternalPost (); fprintf (stderr, oneone ? "%s: Sequential POSTs (http/1.1) %f/s\n" : "%s: Sequential POSTs (http/1.0) %f/s\n", "external select", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0)); GAUGER ("external select", oneone ? "Sequential POSTs (http/1.1)" : "Sequential POSTs (http/1.0)", (double) 1000 * LOOPCOUNT / (now() - start_time + 1.0), "requests/s"); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/0000755000175000017500000000000012255341026014140 500000000000000libmicrohttpd-0.9.33/src/testzzuf/test_put.c0000644000175000017500000002374711510611474016110 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_put.c * @brief Testcase for libmicrohttpd PUT operations * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > 8 - (*pos)) wrt = 8 - (*pos); memcpy (stream, &("Hello123"[*pos]), wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) == 0) { if (*upload_data_size != 8) return MHD_YES; /* not yet ready */ if (0 == memcmp (upload_data, "Hello123", 8)) { *upload_data_size = 0; } else { printf ("Invalid upload data `%8s'!\n", upload_data); return MHD_NO; } *done = 1; return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform 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test_put_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_put_chunked_SOURCES = \ test_put_chunked.c test_put_chunked_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_put_large_SOURCES = \ test_put_large.c test_put_large_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_get11_SOURCES = \ test_get.c test_get11_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_post11_SOURCES = \ test_post.c test_post11_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_post_form11_SOURCES = \ test_post_form.c test_post_form11_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_put11_SOURCES = \ test_put.c test_put11_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_put_large11_SOURCES = \ test_put_large.c test_put_large11_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_long_header_SOURCES = \ test_long_header.c test_long_header_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ libmicrohttpd-0.9.33/src/testzzuf/test_put_large.c0000644000175000017500000002500011510611562017240 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_large_put.c * @brief Testcase for libmicrohttpd PUT operations * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" static int oneone; /** * Do not make this much larger since we will hit the * MHD default buffer limit and the test code is not * written for incremental upload processing... */ #define PUT_SIZE (256 * 1024) static char *put_buffer; struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > PUT_SIZE - (*pos)) wrt = PUT_SIZE - (*pos); memcpy (stream, &put_buffer[*pos], wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) == 0) { if (*upload_data_size != PUT_SIZE) { #if 0 fprintf (stderr, "Waiting for more data (%u/%u)...\n", *upload_data_size, PUT_SIZE); #endif return MHD_YES; /* not yet ready */ } if (0 == memcmp (upload_data, put_buffer, PUT_SIZE)) { *upload_data_size = 0; } else { return MHD_NO; } *done = 1; return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; char buf[2048]; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; char buf[2048]; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; char buf[2048]; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; multi = NULL; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */, 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (PUT_SIZE * 4), MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } } fprintf (stderr, "\n"); zzuf_socat_stop (); curl_multi_cleanup (multi); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; put_buffer = malloc (PUT_SIZE); memset (put_buffer, 1, PUT_SIZE); errorCount += testInternalPut (); errorCount += testMultithreadedPut (); errorCount += testExternalPut (); free (put_buffer); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/test_post_form.c0000644000175000017500000002577112172316643017314 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file test_post_form.c * @brief Testcase for libmicrohttpd POST operations using multipart/postform data * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static void completed_cb (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct MHD_PostProcessor *pp = *con_cls; if (NULL != pp) MHD_destroy_post_processor (pp); *con_cls = NULL; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * Note that this post_iterator is not perfect * in that it fails to support incremental processing. * (to be fixed in the future) */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *value, uint64_t off, size_t size) { int *eok = cls; if (key == NULL) return MHD_YES; #if 0 fprintf (stderr, "PI sees %s-%.*s\n", key, size, value); #endif if ((0 == strcmp (key, "name")) && (size == strlen ("daniel")) && (0 == strncmp (value, "daniel", size))) (*eok) |= 1; if ((0 == strcmp (key, "project")) && (size == strlen ("curl")) && (0 == strncmp (value, "curl", size))) (*eok) |= 2; return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int eok; struct MHD_Response *response; struct MHD_PostProcessor *pp; int ret; if (0 != strcmp ("POST", method)) { return MHD_NO; /* unexpected method */ } pp = *unused; if (pp == NULL) { eok = 0; pp = MHD_create_post_processor (connection, 1024, &post_iterator, &eok); if (pp == NULL) return MHD_NO; *unused = pp; } MHD_post_process (pp, upload_data, *upload_data_size); if ((eok == 3) && (0 == *upload_data_size)) { response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); MHD_destroy_post_processor (pp); *unused = NULL; return ret; } *upload_data_size = 0; return MHD_YES; } static struct curl_httppost * make_form () { struct curl_httppost *post = NULL; struct curl_httppost *last = NULL; curl_formadd (&post, &last, CURLFORM_COPYNAME, "name", CURLFORM_COPYCONTENTS, "daniel", CURLFORM_END); curl_formadd (&post, &last, CURLFORM_COPYNAME, "project", CURLFORM_COPYCONTENTS, "curl", CURLFORM_END); return post; } static int testInternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; struct curl_httppost *pd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); curl_formfree (pd); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; struct curl_httppost *pd; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); curl_formfree (pd); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; struct curl_httppost *pd; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ , 1082, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); pd = make_form (); curl_easy_setopt (c, CURLOPT_HTTPPOST, pd); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_formfree (pd); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); curl_formfree (pd); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); curl_formfree (pd); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } curl_formfree (pd); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPost (); errorCount += testMultithreadedPost (); errorCount += testExternalPost (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/test_post.c0000644000175000017500000002515312172317033016255 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_post.c * @brief Testcase for libmicrohttpd POST operations using URL-encoding * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" #define POST_DATA "name=daniel&project=curl" static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static void completed_cb (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct MHD_PostProcessor *pp = *con_cls; if (NULL != pp) MHD_destroy_post_processor (pp); *con_cls = NULL; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * Note that this post_iterator is not perfect * in that it fails to support incremental processing. * (to be fixed in the future) */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *value, uint64_t off, size_t size) { int *eok = cls; if ((0 == strcmp (key, "name")) && (size == strlen ("daniel")) && (0 == strncmp (value, "daniel", size))) (*eok) |= 1; if ((0 == strcmp (key, "project")) && (size == strlen ("curl")) && (0 == strncmp (value, "curl", size))) (*eok) |= 2; return MHD_YES; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int eok; struct MHD_Response *response; struct MHD_PostProcessor *pp; int ret; if (0 != strcmp ("POST", method)) { return MHD_NO; /* unexpected method */ } pp = *unused; if (pp == NULL) { eok = 0; pp = MHD_create_post_processor (connection, 1024, &post_iterator, &eok); *unused = pp; } MHD_post_process (pp, upload_data, *upload_data_size); if ((eok == 3) && (0 == *upload_data_size)) { response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); MHD_destroy_post_processor (pp); *unused = NULL; return ret; } *upload_data_size = 0; return MHD_YES; } static int testInternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalPost () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ , 1082, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_NOTIFY_COMPLETED, &completed_cb, NULL, MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_POSTFIELDS, POST_DATA); curl_easy_setopt (c, CURLOPT_POSTFIELDSIZE, strlen (POST_DATA)); curl_easy_setopt (c, CURLOPT_POST, 1L); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } } fprintf (stderr, "\n"); curl_multi_cleanup (multi); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPost (); errorCount += testMultithreadedPost (); errorCount += testExternalPost (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/README0000644000175000017500000000112411260753603014741 00000000000000Testcases in this directory require zzuf and socat. zzuf is used to randomly mess with the TCP connection between the CURL clients and the MHD server. The goal is to expose problems in MHD's error handling (by introducing random syntax errors). socat is used to listen on port 11081 and forward the randomzied stream to port 11080 where MHD is waiting. As a result, the testcases in this directory do NOT check that whatever CURL returns is what was expected -- random modifications to the TCP stream can have random effects ;-). Testcases "fail" if the code crashes or hangs indefinitely. libmicrohttpd-0.9.33/src/testzzuf/test_long_header.c0000644000175000017500000001444411510611514017534 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_long_header.c * @brief Testcase for libmicrohttpd handling of very long headers * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" /** * We will set the memory available per connection to * half of this value, so the actual value does not have * to be big at all... */ #define VERY_LONG (1024*10) static int oneone; static int apc_all (void *cls, const struct sockaddr *addr, socklen_t addrlen) { return MHD_YES; } struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testLongUrlGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; char *url; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, &apc_all, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (VERY_LONG / 2), MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); url = malloc (VERY_LONG); memset (url, 'a', VERY_LONG); url[VERY_LONG - 1] = '\0'; memcpy (url, "http://localhost:11081/", strlen ("http://localhost:11081/")); curl_easy_setopt (c, CURLOPT_URL, url); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); free (url); return 0; } static int testLongHeaderGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; char *url; struct curl_slist *header = NULL; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, &apc_all, NULL, &ahc_echo, "GET", MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) (VERY_LONG / 2), MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); url = malloc (VERY_LONG); memset (url, 'a', VERY_LONG); url[VERY_LONG - 1] = '\0'; url[VERY_LONG / 2] = ':'; url[VERY_LONG / 2 + 1] = ' '; header = curl_slist_append (header, url); curl_easy_setopt (c, CURLOPT_HTTPHEADER, header); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_slist_free_all (header); header = NULL; curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); free (url); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testLongUrlGet (); errorCount += testLongHeaderGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/socat.c0000644000175000017500000000530011503734670015341 00000000000000/* This file is part of libmicrohttpd (C) 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file socat.c * @brief Code to fork-exec zzuf and start the socat process * @author Christian Grothoff */ #include #include #include #include /** * A larger loop count will run more random tests -- * which would be good, except that it may take too * long for most user's patience. So this small * value is the default. */ #define LOOP_COUNT 10 #define CURL_TIMEOUT 50L static pid_t zzuf_pid; static void zzuf_socat_start () { int status; char *const args[] = { "zzuf", "--ratio=0.0:0.75", "-n", "-A", "--", "socat", "-lf", "/dev/null", "TCP4-LISTEN:11081,reuseaddr,fork", "TCP4:127.0.0.1:11080", NULL, }; zzuf_pid = fork (); if (zzuf_pid == -1) { fprintf (stderr, "fork failed: %s\n", strerror (errno)); exit (1); } if (zzuf_pid != 0) { sleep (1); /* allow zzuf and socat to start */ status = 0; if (0 < waitpid (zzuf_pid, &status, WNOHANG)) { if (WIFEXITED (status)) fprintf (stderr, "zzuf died with status code %d!\n", WEXITSTATUS (status)); if (WIFSIGNALED (status)) fprintf (stderr, "zzuf died from signal %d!\n", WTERMSIG (status)); exit (1); } return; } setpgrp (); execvp ("zzuf", args); fprintf (stderr, "execution of `zzuf' failed: %s\n", strerror (errno)); zzuf_pid = 0; /* fork failed */ exit (1); } static void zzuf_socat_stop () { int status; if (zzuf_pid != 0) { if (0 != killpg (zzuf_pid, SIGINT)) fprintf (stderr, "Failed to killpg: %s\n", strerror (errno)); kill (zzuf_pid, SIGINT); waitpid (zzuf_pid, &status, 0); sleep (1); /* allow socat to also die in peace */ } } /* end of socat.c */ libmicrohttpd-0.9.33/src/testzzuf/test_get_chunked.c0000644000175000017500000002174411503734670017561 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get_chunked.c * @brief Testcase for libmicrohttpd GET operations with chunked content encoding * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } /** * MHD content reader callback that returns * data in chunks. */ static ssize_t crc (void *cls, uint64_t pos, char *buf, size_t max) { struct MHD_Response **responseptr = cls; if (pos == 128 * 10) { MHD_add_response_header (*responseptr, "Footer", "working"); return MHD_CONTENT_READER_END_OF_STREAM; } if (max < 128) abort (); /* should not happen in this testcase... */ memset (buf, 'A' + (pos / 128), 128); return 128; } /** * Dummy function that does nothing. */ static void crcf (void *ptr) { free (ptr); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { static int aptr; const char *me = cls; struct MHD_Response *response; struct MHD_Response **responseptr; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } responseptr = malloc (sizeof (struct MHD_Response *)); response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 1024, &crc, responseptr, &crcf); *responseptr = response; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } } fprintf (stderr, "\n"); curl_multi_cleanup (multi); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/test_get.c0000644000175000017500000002112111510611437016036 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_get.c * @brief Testcase for libmicrohttpd GET operations * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" static int oneone; struct CBC { char *buf; size_t pos; size_t size; }; static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { static int ptr; const char *me = cls; struct MHD_Response *response; int ret; if (0 != strcmp (me, method)) return MHD_NO; /* unexpected method */ if (&ptr != *unused) { *unused = &ptr; return MHD_YES; } *unused = NULL; response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); if (ret == MHD_NO) abort (); return ret; } static int testInternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 16; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testExternalGet () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */ , 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); else curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } } fprintf (stderr, "\n"); curl_multi_cleanup (multi); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; oneone = NULL != strstr (argv[0], "11"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalGet (); errorCount += testMultithreadedGet (); errorCount += testExternalGet (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/src/testzzuf/test_put_chunked.c0000644000175000017500000002425211510611544017577 00000000000000/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file daemontest_put_chunked.c * @brief Testcase for libmicrohttpd PUT operations with chunked encoding * for the upload data * @author Christian Grothoff */ #include "MHD_config.h" #include "platform.h" #include #include #include #include #include #ifndef WINDOWS #include #endif #include "socat.c" struct CBC { char *buf; size_t pos; size_t size; }; static size_t putBuffer (void *stream, size_t size, size_t nmemb, void *ptr) { unsigned int *pos = ptr; unsigned int wrt; wrt = size * nmemb; if (wrt > 8 - (*pos)) wrt = 8 - (*pos); if (wrt > 4) wrt = 4; /* only send half at first => force multiple chunks! */ memcpy (stream, &("Hello123"[*pos]), wrt); (*pos) += wrt; return wrt; } static size_t copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) { struct CBC *cbc = ctx; if (cbc->pos + size * nmemb > cbc->size) return 0; /* overflow */ memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); cbc->pos += size * nmemb; return size * nmemb; } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **unused) { int *done = cls; struct MHD_Response *response; int ret; int have; if (0 != strcmp ("PUT", method)) return MHD_NO; /* unexpected method */ if ((*done) < 8) { have = *upload_data_size; if (have + *done > 8) { return MHD_NO; } if (0 == memcmp (upload_data, &"Hello123"[*done], have)) { *done += have; *upload_data_size = 0; } else { return MHD_NO; } #if 0 fprintf (stderr, "Not ready for response: %u/%u\n", *done, 8); #endif return MHD_YES; } response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int testInternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; int i; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG, 11080, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 1; zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11080/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); curl_easy_perform (c); curl_easy_cleanup (c); } fprintf (stderr, "\n"); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } static int testMultithreadedPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; unsigned int pos = 0; int done_flag = 0; CURLcode errornum; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG, 11081, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 16; c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); if (CURLE_OK != (errornum = curl_easy_perform (c))) { fprintf (stderr, "curl_easy_perform failed: `%s'\n", curl_easy_strerror (errornum)); curl_easy_cleanup (c); MHD_stop_daemon (d); return 32; } curl_easy_cleanup (c); MHD_stop_daemon (d); if (cbc.pos != strlen ("/hello_world")) return 64; if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) return 128; return 0; } static int testExternalPut () { struct MHD_Daemon *d; CURL *c; char buf[2048]; struct CBC cbc; CURLM *multi; CURLMcode mret; fd_set rs; fd_set ws; fd_set es; int max; int running; time_t start; struct timeval tv; unsigned int pos = 0; int done_flag = 0; int i; multi = NULL; cbc.buf = buf; cbc.size = 2048; cbc.pos = 0; d = MHD_start_daemon (MHD_USE_DEBUG, 11082, NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END); if (d == NULL) return 256; multi = curl_multi_init (); if (multi == NULL) { MHD_stop_daemon (d); return 512; } zzuf_socat_start (); for (i = 0; i < LOOP_COUNT; i++) { fprintf (stderr, "."); c = curl_easy_init (); curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11082/hello_world"); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc); curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer); curl_easy_setopt (c, CURLOPT_READDATA, &pos); curl_easy_setopt (c, CURLOPT_UPLOAD, 1L); /* // by not giving the file size, we force chunking! curl_easy_setopt (c, CURLOPT_INFILESIZE_LARGE, (curl_off_t) 8L); */ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT); curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT); // NOTE: use of CONNECTTIMEOUT without also // setting NOSIGNAL results in really weird // crashes on my system! curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); mret = curl_multi_add_handle (multi, c); if (mret != CURLM_OK) { curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 1024; } start = time (NULL); while ((time (NULL) - start < 5) && (c != NULL)) { max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); curl_multi_perform (multi, &running); mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); if (mret != CURLM_OK) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 2048; } if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) { curl_multi_remove_handle (multi, c); curl_multi_cleanup (multi); curl_easy_cleanup (c); zzuf_socat_stop (); MHD_stop_daemon (d); return 4096; } tv.tv_sec = 0; tv.tv_usec = 1000; select (max + 1, &rs, &ws, &es, &tv); curl_multi_perform (multi, &running); if (running == 0) { curl_multi_info_read (multi, &running); curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); c = NULL; } MHD_run (d); } if (c != NULL) { curl_multi_remove_handle (multi, c); curl_easy_cleanup (c); } } fprintf (stderr, "\n"); curl_multi_cleanup (multi); zzuf_socat_stop (); MHD_stop_daemon (d); return 0; } int main (int argc, char *const *argv) { unsigned int errorCount = 0; if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; errorCount += testInternalPut (); errorCount += testMultithreadedPut (); errorCount += testExternalPut (); if (errorCount != 0) fprintf (stderr, "Error (code: %u)\n", errorCount); curl_global_cleanup (); return errorCount != 0; /* 0 == pass */ } libmicrohttpd-0.9.33/NEWS0000644000175000017500000000005611260753603012076 00000000000000Tue Jan 9 20:52:48 MST 2007 Project posted. libmicrohttpd-0.9.33/libmicrohttpd.pc.in0000644000175000017500000000043611260753603015176 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libmicrohttpd Description: A library for creating an embedded HTTP server Version: @VERSION@ Requires: Conflicts: Libs: -L${libdir} -lmicrohttpd Libs.private: @MHD_LIBDEPS@ Cflags: -I${includedir} libmicrohttpd-0.9.33/ChangeLog0000644000175000017500000013354412255340726013165 00000000000000Sat Dec 21 17:26:08 CET 2013 Fixed an issue with a missing argument in the postexample. Fixed issue with bogus offset increment involving sendfile on GNU/Linux. Adding support for SNI. Releasing 0.9.33. -CG Mon Dec 9 21:41:57 CET 2013 Fix for per-worker daemon pipes enabled with MHD_USE_SUSPEND_RESUME that were not closed in MHD_stop_daemon. -MH Sat Dec 7 00:44:49 CET 2013 Fixing warnings and build issue if --disable-https is given to configure. -CG Tue Dec 3 21:25:56 CET 2013 Security fix: do not read past 0-terminator when unescaping strings (thanks to Florian Weimer for reporting). Releasing 0.9.32. -CG Tue Dec 3 21:05:38 CET 2013 Signaling n times for shutdown works, but for resume we need to wake up the correct daemon. Even if we signal n times in that case also, there's no guarantee that some daemon can't run through its select loop more than once before the daemon we want to wake up gets a chance to read. Thus we need a signal pipe per thread in the thread pool IF MHD_suspend_connection is used. This introduces a new flag MHD_USE_SUSPEND_RESUME to add those additional pipes and only allow MHD_suspend_connection to be used in conjunction with this flag. Also, as MHD_resume_connection() will be called on a non-daemon thread, but none of the queue insert/delete calls are thread safe, we need to be concerned about (a) corrupting the queue, and (b) having to add mutex protection around every access to the queues, including loops through timer queues, etc. This wasn't a problem before adding resume; even suspend should be safe since it happens in a callback from the daemon. I think it's easier to (a) have MHD_suspend_connection() move the connection to a suspended queue, (b) have MHD_resume_connection() mark the connection as resuming, and then (c) do all the actual queue manipulations in MHD_select (poll, epoll, etc.) to move the resumed connections back to their normal queues, in response to the wake up. The changes are simpler & cleaner. There is a cost to the basic select loop that is avoided by making suspend/resume a startup option. The per-worker pipes can then also be enabled only with that option set. -MH Fri Nov 29 20:17:03 CET 2013 Eliminating theoretical stack overflow by limiting length of URIs in authentication headers to 32k (only applicable if the application explicitly raised the memroy limits, and only applies to MHD_digest_auth_check). Issue was reported by Florian Weimer. -CG Tue Nov 26 01:26:15 CET 2013 Fix race on shutdown signal with thread pool on non-Linux systems by signalling n times for n threads. -CG Sun Nov 24 13:41:15 CET 2013 Introduce state to mark connections in suspended state (with epoll); add missing locking operations in MHD_suspend_connection. Fix definition of MHD_TLS_CONNECTION_INIT. -MH/JC Wed Oct 30 09:34:20 CET 2013 Fixing issue in PostProcessor when getting partial boundary at the beginning, expanding test suite. -CG Sun Oct 27 15:19:44 CET 2013 Implementing faster processing of upload data in multipart encoding (thanks to performance analysis by Adam Homolya). -CG Thu Oct 24 10:40:03 CEST 2013 Adding support for connection flow control via MHD_suspend_connection and MHD_resume_connection. -CG Sat Oct 19 16:40:32 CEST 2013 Releasing libmicrohttpd 0.9.31. -CG Mon Sep 23 20:24:48 CEST 2013 Fixing build issues on OS X with CLOCK_MONOTONIC not being implemented on OS X. -CG Mon Sep 23 14:15:00 CEST 2013 Make libmicrohttpd play nicely with upcoming libgcrypt 1.6.0. -CG Fri Sep 20 17:01:37 CEST 2013 Improved configure checks for cURL. -CG Wed Sep 18 18:29:24 CEST 2013 Signal connection termination as OK (and not as ERROR) if the stream was terminated by the callback returning MHD_CONTENT_READER_END_OF_STREAM. Also, release response mutex before calling the termination callback, to avoid possible deadlock if the client destroys the response in the termination callback (due to non-recursiveness of the lock). -CG Wed Sep 18 14:31:35 CEST 2013 Adding #define MHD_HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN. -CG Tue Sep 17 21:32:47 CEST 2013 Also pass MHD connection handle in URI log callback. -CG Fri Sep 6 10:00:44 CEST 2013 Improved check for proper OpenSSL version for libmicrospdy. -CG Wed Sep 4 17:23:15 CEST 2013 Set IPV6_V6ONLY socket option correctly when IPv6 is enabled (MHD_USE_IPv6) but not dual stack (MHD_USE_DUAL_STACK) -MW Mon Sep 2 22:59:45 CEST 2013 Fix use-after-free in epoll()-mode on read error. Releasing libmicrohttpd 0.9.30. -CG Sun Sep 1 21:55:53 CEST 2013 Fixing build issues on FreeBSD. -CG Fri Aug 30 13:53:04 CEST 2013 Started to implement #3008 (RFC 2616, section 8.1.4 says HTTP server SHOULD terminate connection if the client closes it for writing via TCP FIN, so we should continue to try to read and react differently if recv() returns zero). -CG Wed Aug 28 18:40:47 CEST 2013 Fix #3007 (build issue if messages are disabled). -CG Tue Aug 27 18:39:08 CEST 2013 Fix build issue if SOCK_NONBLOCK/EPOLL_CLOEXEC are not defined (as is the case on older glibc versions). -CG Fri Aug 23 14:28:02 CEST 2013 Releasing libmicrohttpd 0.9.29. -CG Mon Aug 12 23:51:18 CEST 2013 Updated manual, documenting W32 select/shutdown issue. -CG Sat Aug 10 21:01:18 CEST 2013 Fixed #2983. -CG Sat Aug 10 20:39:27 CEST 2013 Use 'errno' to indicate why 'MHD_add_connection' failed (#2984). -CG Sat Aug 10 17:31:31 CEST 2013 Disable use of 'shutdown' on W32 always as winsock doesn't properly behave with half-closed connections (see http://www.chilkatsoft.com/p/p_299.asp). -CG/LRN Thu Aug 8 07:55:07 CEST 2013 Fixing issue with pipelining not working as desired. -CG Wed Aug 7 08:17:40 CEST 2013 Removing dependency on liberty (on W32). -MC Fri Aug 2 20:55:47 CEST 2013 Fix HTTP 1.1 compliance with respect to not returning content-length headers for successful "CONNECT" requests. Note that for unsuccessful "CONNECT" requests with an empty response body, users must now explicitly set the content-length header. -CG Sun Jul 28 16:35:17 CEST 2013 Fixing build issue (missing #ifdef) in conjunction with --disable-messages. -blueness Sat Jul 20 12:35:40 CEST 2013 Fixing combination of MHD_USE_SSL and MHD_USE_EPOLL_LINUX_ONLY. -CG Fri Jul 19 09:57:27 CEST 2013 Fix issue where connections were not cleaned up when 'MHD_run_from_select' was used. Adding experimental TURBO mode. Releasing libmicrohttpd 0.9.28. -CG Sun Jul 14 19:57:56 CEST 2013 Removing 'shutdown' calls that happen just before close or that are for read-only and for a client that has already stopped sending anyway (thus reducing number of system calls slightly). -CG Sun Jul 14 19:37:37 CEST 2013 Name MHD worker threads on glibc >= 2.12. -,L4X[o](B Fri Jul 5 12:05:01 CEST 2013 Added MHD_OPTION_CONNECTION_MEMORY_INCREMENT to allow users to specify a custom value for incrementing read buffer sizes (#2899). -MH Fri Jun 28 14:05:15 CEST 2013 If we shutdown connection for reading on POST due to error, really do not process further requests even if we already read the next request from the connection. Furthermore, do not shutdown connections for reading on GET/HEAD/etc. just because the application queued a response immediately --- reserve that behavior for PUT/POST. -CG Tue Jun 25 15:08:30 CEST 2013 Added option 'MHD_USE_DUAL_STACK' to support a single daemon for IPv4 and IPv6 without the application having to do the binding. -CG Mon Jun 24 22:33:34 CEST 2013 Finished integration with epoll, including benchmarking and documentation. -CG Sun Jun 23 15:28:13 CEST 2013 Added option 'MHD_USE_PIPE_FOR_SHUTDOWN' to cleanly support 'MHD_quiesce_daemon' with thread pools and per-connection threads (we then need a pipe for shutdown, but if 'MHD_quiesce_daemon' is not used, we do not want to require the use of a pipe; introducing the pipe after the threads have been started can also fail, so the application needs to tell us early on). -CG Sat Jun 22 20:24:17 CEST 2013 Removed locking calls for thread modes that do not need them. Reorganized way to obtain connection's event loop state. Added sorted XDLL for connections with default timeout to avoid having to loop over all connections to determine current timeout (custom per-connection timeouts are in another list which is iterated each time). -CG Fri Jun 21 20:55:48 CEST 2013 Preparing build system and tests for epoll support. -CG Tue May 21 14:34:36 CEST 2013 Improving configure tests for OpenSSL and spdylay to avoid build errors in libmicrospdy code if those libraries are not present. -CG Mon May 20 12:29:35 CEST 2013 Added MHD_CONNECTION_INFO_CONNECTION_FD to allow clients direct access to connection socket; useful for COMET applications that need to disable NAGLE (#2886). -CG Mon May 15 12:49:01 CEST 2013 Fixing #2859. -CG Sun May 5 21:44:08 CEST 2013 Merged libmicrospdy code with libmicrohttpd build system (no major changes to libmicrospdy itself yet). -CG Sun May 5 20:13:59 CEST 2013 Improved documentation and code style a bit. Releasing libmicrohttpd 0.9.27. -CG Thu Apr 25 13:08:10 CEST 2013 Added 'MHD_quiesce_daemon' to allow application to stop processing new incoming connections while finishing ongoing requests. -CG Sun Mar 31 23:17:13 CEST 2013 Added MHD demonstration code 'src/examples/demo.c'. -CG Sun Mar 31 20:27:48 CEST 2013 Adding new API call 'MHD_run_from_select' to allow programs running in 'external select mode' to reduce the number of 'select' calls by a factor of two. -CG Sun Mar 31 20:03:48 CEST 2013 Performance improvements, updated documentation. Make better use of available memory pool memory for reading (especially important for large POST uploads); improve post processor speed by internally adjusting the buffer size by 4 bytes to ensure "round" IO sizes given a "round" post processor buffer size argument. Note that applications that previously added 4 bytes to the post processor buffer size might now perform worse. Using the new 'demo' example, POST upload speed increased from ~90 MB/s to ~120 MB/s for a large file (note that the improvement comes from better aligned disk IO; without disk IO, the speed was (and remains) at ~1500 MB/s on this system). -CG Fri Mar 29 16:44:29 CET 2013 Renaming testcases to consistenly begin with test_; Changing build system to build examples in doc/. Releasing libmicrohttpd 0.9.26. -CG Thu Mar 7 10:13:08 CET 2013 Fix bug in postprocessor URL parser (#2818). -jgresula Mon Mar 4 13:45:35 CET 2013 Fix dropping of SSL connections if uptime is less than MHD_OPTION_CONNECTION_TIMEOUT due to integer underflow (#2802). -greed Fri Mar 1 01:11:57 CET 2013 Fully initialize cleanup mutex struct for each thread (#2803). -Ulion Wed Feb 6 01:51:52 CET 2013 Releasing libmicrohttpd 0.9.25. -CG Fri Feb 1 10:19:44 CET 2013 Handle case where POST data contains "key=" without value at the end and is not new-line terminated by invoking the callback with the "key" during MHD_destroy_post_processor (#2733). -CG Wed Jan 30 13:09:30 CET 2013 Adding more 'const' to allow keeping of reason phrases in ROM. (see mailinglist). -CG/MV Tue Jan 29 21:27:56 CET 2013 Make code work with PlibC 0.1.7 (which removed plibc_init_utf8). Only relevant for W32. Fixes #2734. -CG Sat Jan 26 21:26:48 CET 2013 Fixing regression introduced Jan 6 (test on data_size instead of total_size. -CG Fri Jan 11 23:21:55 CET 2013 Also return MHD_YES from MHD_destroy_post_processor if we did not get '\r\n' in the upload. -CG Sun Jan 6 21:10:13 CET 2013 Enable use of "MHD_create_response_from_callback" with body size of zero. -CG Tue Dec 25 16:16:30 CET 2012 Releasing libmicrohttpd 0.9.24. -CG Tue Dec 18 21:18:11 CET 2012 Given both 'chunked' encoding and 'content-length', ignore the 'content-length' header as per RFC. -ES Thu Dec 6 10:14:44 CET 2012 Force adding "Connection: close" header to response if client asked for connection to be closed (so far, we did close the connection, but did not send the "Connection: close" header explicitly, which some clients seem to dislike. (See discussion on mailinglist). Also, if there is already a transfer-encoding other than 'chunked' set by the application, we also now close the connection if the response is of unknown size. -CG Wed Dec 5 19:22:26 CET 2012 Fixing parameter loss of POST parameters with IE8 and Chrome in the PostProcessor as the code failed to properly handle partial data. -MM Fri Nov 9 21:36:46 CET 2012 Releasing libmicrohttpd 0.9.23. -CG Thu Nov 8 22:32:59 CET 2012 Ship our own version of tsearch and friends if not provided by platform, so that MHD works nicely on Android. -JJ Mon Oct 22 13:05:01 CEST 2012 Immediately do a second read if we get a full buffer from TLS as there might be more data in the TLS buffers even if there is no activity on the socket. -CG Tue Oct 16 01:33:55 CEST 2012 Consistently use "#ifdef" and "#ifndef" WINDOWS, and not sometimes "#if". -CG Sat Sep 1 20:51:21 CEST 2012 Releasing libmicrohttpd 0.9.22. -CG Sat Sep 1 20:38:35 CEST 2012 Adding configure option to allow selecting support for basic and digest authentication separately (#2525). -CG Thu Aug 30 21:12:56 CEST 2012 Fixing URI argument parsing when string contained keys without equals sign (i.e. '&bar&') in the middle of the argument (#2531). Also replacing 'strstr' with more efficient 'strchr' when possible. -CG Tue Aug 21 14:36:17 CEST 2012 Use "int" instead of "enum X" in 'va_arg' calls to be nice to compilers that use 'short' (i.e. 8 or 16 bit) enums but pass enums still as "int" in varargs. (See discussion on mailinglist). -CG/MV Tue Aug 21 14:31:54 CEST 2012 Reduce default size in post processor buffer (for small systems; performance impact on large systems should be minimal). -CG/MV Thu Jul 19 21:48:42 CEST 2012 Releasing libmicrohttpd 0.9.21. -CG Thu Jul 19 11:34:50 CEST 2012 Consistently use 'panic' function instead of ever directly calling 'abort ()'. Eliminating unused mutex in SSL mode. Removing check in testcases that fails depending on which version of gnuTLS is involved. -CG Tue Jul 17 23:50:43 CEST 2012 Stylistic code clean up. Allowing lookup up of trailing values without keys using "MHD_lookup_connection_value" with a key of NULL (thus achieving consistency with the existing iterator API). -CG Tue Jul 17 22:37:05 CEST 2012 Adding experimental (!) code for MHD operation without listen socket. -CG Tue Jul 17 22:15:57 CEST 2012 Making sendfile test pass again on non-W32 systems. -CG Mon Jul 9 13:43:35 CEST 2012 Misc changes to allow testcases to pass on W32. -LRN Sun Jul 8 15:05:31 CEST 2012 Misc changes to fix build on W32. -LRN Fri Jun 22 11:31:25 CEST 2012 Make sure sockets opened by MHD are non-inheritable by default (#2414). -CG Tue Jun 19 19:44:53 CEST 2012 Change various uses of time(NULL) to new MHD_monotonic_time() function to make timeouts immune to the system real time clock changing. -MC Tue Jun 12 21:35:00 CEST 2012 Adding 451 status code. -CG Thu May 31 13:33:45 CEST 2012 Releasing 0.9.20. -CG Tue May 29 13:55:03 CEST 2012 Fixed some testcase build issues with disabled post processor. -CG Tue May 29 13:45:15 CEST 2012 Fixing bug where MHD failed to call connection termination callback if a connection either was closed due to read errors or if MHD was terminated with certain threading models. Added new termination code MHD_REQUEST_TERMINATED_READ_ERROR for the read-termination cause. -CG Thu Mar 15 23:47:53 CET 2012 Eliminating code clone in tls connection read/write handlers. -CG Fri Mar 2 23:44:56 CET 2012 Making sure that MHD_get_connection_values iterates over the headers in the order in which they were received. -CG Wed Feb 1 09:39:12 CET 2012 Fixed compilation problem on MinGW. -BS Tue Jan 31 17:50:24 CET 2012 Releasing 0.9.19. -CG Mon Jan 30 20:02:34 CET 2012 Fixed handling of garbage prior to first multipart boundary (#2126). -woof Fri Jan 27 11:00:43 CET 2012 Fixed postprocessor failure for applications that enclosed boundary in quotes (#2120). -woof Tue Jan 24 16:07:53 CET 2012 Added configure check for sin_len in 'struct sockaddr' and adding code to initialize this field if it exists now. -CG Mon Jan 23 14:02:26 CET 2012 Fixed double-free if specified cipher was not valid (during MHD_daemon_start). Releasing 0.9.18. -CG Thu Jan 19 22:11:12 CET 2012 Switch to non-blocking sockets for all systems but Cygwin (we already used non-blocking sockets for GNU/Linux); also use non-blocking sockets on Cygwin for HTTPS as this is required to avoid DoS-by-partial-record via gnutls. On Cygwin, #1824 implies that we need to use blocking sockets for HTTP on Cygwin for now. -CG Thu Jan 19 17:46:05 CET 2012 Fixing use of uninitialized 'earliest_deadline' variable in MHD_get_timeout which can lead to returning an incorrect (too early) timeout (#2085). -tclaveirole Thu Jan 19 13:31:27 CET 2012 Fixing digest authentication for GET requests with URI arguments (#2059). -CG Sat Jan 7 17:30:48 CET 2012 Digest authentication expects nonce count in base 16, not base 10 (#2061). -tclaveirole Thu Jan 5 22:01:37 CET 2012 Partial fix for #2059, digest authentication with GET arguments. -CG Thu Dec 1 15:22:57 CET 2011 Updated authorization_example.c to actually demonstrate the current MHD API. -SG Mon Nov 21 18:51:30 CET 2011 Added option to suppress generation of the 'Date:' header to be used on embedded systems without RTC. Documented the new option and the configure options. -CG Sat Nov 19 20:08:40 CET 2011 Releasing 0.9.17. -CG Fri Nov 18 20:17:22 CET 2011 Fixing return value of MHD_get_timeout if timeouts are not in use. (#1914). -rboulton Sun Nov 13 13:34:29 CET 2011 Trying to fix accidental addition of a "Connection: close" footer under certain (rare) circumstances. -CG Fri Nov 4 10:03:00 CET 2011 Small updates to the tutorial. Releasing 0.9.16. -CG Thu Nov 3 10:14:59 CET 2011 shutdown(RDWR) fails on OS X after shutdown(RD), so only use shutdown(WR) if we already closed the socket for reading (otherwise OS X might not do shutdown (WR) at all). -CG Tue Nov 1 18:51:50 CET 2011 Force adding of 'Connection: close' to the header if we (for whatever reason) are shutting down the socket for reading (see also #1760). -CG Thu Oct 27 14:16:34 CEST 2011 Treat EAGAIN the same way as EINTR (helps on W32). -LRN Wed Oct 12 10:40:12 CEST 2011 Made sockets blocking again for non-Linux platforms as non-blocking sockets cause problems (#1824) on Cygwin but offer better performance on Linux (see change on August 11 2011). -CG/pross Fri Oct 7 19:50:07 CEST 2011 Fixed problems with testcases on W32. -LRN Fri Sep 30 17:56:36 CEST 2011 Fixed MHD_CONNECTION_OPTION_TIMEOUT for HTTPS (#1811). -CG Wed Sep 28 08:37:55 CEST 2011 Releasing libmicrohttpd 0.9.15. -CG Tue Sep 27 13:07:36 CEST 2011 Added ability to access URL arguments of the form 'url?foo' (without '='). Added testcase and updated documentation accordingly. -CG Mon Sep 26 21:24:00 CEST 2011 Only run response cleanup testcase if curl binary was found by configure. -CG Wed Sep 21 09:53:18 CEST 2011 Reverting to using pipes for signalling select on non-Linux platforms where shutdown-on-listen-sockets does not work. -WB/CG Mon Sep 19 14:06:30 CEST 2011 Fixing problem introduced with prompt response cleanup code. -CG Wed Sep 14 13:43:26 CEST 2011 Fixing minor memory leak if daemon with HTTPS support failed to initialize (#1766). -CG Tue Sep 13 09:47:58 CEST 2011 Try to release responses more promptly upon connection termination. -CG Mon Sep 12 10:20:28 CEST 2011 Releasing libmicrohttpd 0.9.14. -CG Mon Sep 12 10:05:36 CEST 2011 Added new function to allow setting of a custom timeout value for an individual connection (the MHD_set_connection_option is more generic, but this is currently the only use). -CG Sat Sep 10 07:30:12 CEST 2011 Documenting that MHD_CONNECTION_INFO_GNUTLS_CLIENT_CERT is not implemented and will not be implemented, and what to use instead. -CG Fri Sep 9 13:42:20 CEST 2011 Added testcase to demonstrate that response cleanup calling is working. No bug was found. -CG Thu Aug 18 11:05:16 CEST 2011 Fixed bug with wrong state transition if callback returned MHD_CONTENT_READER_END_OF_STREAM causing spurious extra callbacks to the handler (thanks to Jan Seeger for pointing it out). -CG/JS Thu Aug 11 11:40:03 CEST 2011 Changing sockets to be non-blocking as suggested by Eivind Sarto on the mailinglist. -CG Mon Jul 25 16:13:15 CEST 2011 Added a logo. -CG Sat Jul 16 22:42:10 CEST 2011 Change type of nonce to 'unsigned long int' to match return type from 'strtoul'. Fixes ERANGE check which would have previously failed. -CG Wed Jul 13 09:26:17 CEST 2011 Fixing HTTP error status strings for certain high-numbered status codes. Added support for some more (non-standard) status codes. Releasing libmicrohttpd 0.9.13. -CG Thu Jul 7 10:24:20 CEST 2011 Adding performance measurements. -CG Thu Jun 23 14:21:13 CEST 2011 Releasing libmicrohttpd 0.9.12. -CG Wed Jun 22 14:32:23 CEST 2011 Force closing connection if either the client asked it or if the response contains 'Connection: close' (so far, only the client's request was considered). -CG/RV Wed Jun 22 10:37:35 CEST 2011 Removing listen socket from poll/select sets in MHD_USE_THREAD_PER_CONNECTION mode; using 'shutdown' on connection sockets to signal termination instead. -CG Wed Jun 22 10:25:13 CEST 2011 Eliminate unnecessary (and badly synchronized) calls to MHD_get_timeout in MHD_USE_THREAD_PER_CONNECTION mode. Document that this is not acceptable. -CG Tue Jun 21 13:54:59 CEST 2011 Fixing tiny memory leak in SSL code from 'gnutls_priority_init'. Fixing data race between code doing connection shutdown and connection cleanup. Changing code to reduce connection cleanup cost from O(n) to O(1). Cleaning up logging code around 'connection_close_error'. -CG Sat Jun 11 13:05:12 CEST 2011 Replacing use of sscanf by strtoul (#1688). -CG/bplant Fri Jun 3 15:26:42 CEST 2011 Adding MHD_CONNECTION_INFO_DAEMON to obtain MHD_Daemon responsible for a given connection. -CG Wed May 25 14:23:20 CEST 2011 Trying to fix stutter problem on timeout described by David Myers on the mailinglist (5/10/2011). -CG Fri May 20 22:11:55 CEST 2011 Fixed bug in testcase setup code causing crashes in tls_session_timeout_test on some systems. Releasing libmicrohttpd 0.9.11. -CG Fri May 20 19:34:59 CEST 2011 Fixed bug in parsing multipart/form-data with post processor where the code failed to add a 0-terminator in the correct position. -PP Thu May 12 14:40:46 CEST 2011 Fixed bug where if multiple HTTP request messages are piped in at once, microhttpd would call the handler with the wrong upload_data_size. -HZM Thu May 12 14:40:08 CEST 2011 Documented possible issue with off_t being sometimes 32-bit and sometimes 64-bit depending on #includes. -CG Sun May 8 21:52:47 CEST 2011 Allow MHD_SIZE_UNKNOWN to be used in conjunction with MHD_create_response_from_fd (fixing #1679). -TG Wed Apr 27 16:11:18 CEST 2011 Releasing libmicrohttpd 0.9.10. -CG Fri Apr 8 11:40:35 CEST 2011 Workaround for cygwin poll brokenness. -TS Sun Apr 3 13:56:52 CEST 2011 Fixing compile error on OS X. -CG Wed Mar 30 12:56:09 CEST 2011 Initialize tv_usec in MHD_USE_THREAD_PER_CONNECTION with select and per-connection timeout. -CG Tue Mar 29 14:15:13 CEST 2011 Releasing libmicrohttpd 0.9.9. -CG Tue Mar 29 14:11:19 CEST 2011 Fixed call to mmap for memory pool, extended testcase to cover POLL. -CG Wed Mar 23 23:24:25 CET 2011 Do not use POLLIN when we only care about POLLHUP (significantly improves performance when using MHD_USE_THREAD_PER_CONNECTION in combination with MHD_USE_POLL). -ES Sun Mar 20 09:16:53 CET 2011 Fixing race when using MHD_USE_THREAD_PER_CONNECTION in combination with MHD_USE_POLL. -CG Fri Mar 18 13:23:47 CET 2011 Removing MSG_DONTWAIT which should not be needed and was presumably causing problems with EAGAIN under certain circumstances. -ES Fri Mar 11 22:25:29 CET 2011 Fixing bug in MHD_create_response_from_fd_at_offset with non-zero offsets. -ES Sat Mar 5 22:00:36 CET 2011 Do not use POLLRDHUP, which causes build errors on OS X / OpenSolaris (#1667). -CG Fri Mar 4 10:24:04 CET 2011 Added new API to allow MHD server to initiate connection to client (special use-case for servers behind NAT), thereby addressing #1661 (externally created connections). Releasing libmicrohttpd 0.9.8. -CG Fri Mar 4 10:07:18 CET 2011 Avoid using a pipe for signalling as well, just use server socket shutdown (also for thread-per-connection). -CG Thu Mar 3 21:42:47 CET 2011 Fixing issue where Base64 decode fails when char is defined as unsigned char (Mantis 1666). -CG/tmayer Tue Mar 1 13:58:04 CET 2011 Allow use of 'poll' in combination with the external select mode. Avoid using pthread signals (SIGALRM), use pipe instead. Corrected timeout calculation (s vs. ms). -CG Wed Feb 23 14:21:44 CET 2011 Removing useless code pointed out by Eivind Sarto. -CG Fri Feb 18 11:03:59 CET 2011 Handle large (>2 GB) file transfers with sendfile on 32-bit systems better; handle odd sendfile failures by libc/kernel by falling back to standard 'SEND'. -CG Sun Feb 13 10:52:29 CET 2011 Handle gnutls receive error(s) for interrupted SSL connections better. -MS Releasing libmicrohttpd 0.9.7. -CG Fri Feb 11 10:15:38 CET 2011 Fixing parameter ordering in documentation (#1659). -wellska Thu Jan 27 10:51:39 CET 2011 Disable 'EXTRA_CHECKS's by default as suggested in #1652 (I guess it is time). -CG/timn Thu Jan 27 10:48:55 CET 2011 Removing bogus assertion in basic authentication code (#1651). -CG/timn Tue Jan 25 14:10:45 CET 2011 Releasing libmicrohttpd 0.9.6. -CG Mon Jan 24 16:36:35 CET 2011 Fixing compilation error if DAUTH_SUPPORT was 0 (#1646). -CG/bplant Tue Jan 18 23:58:09 CET 2011 Fixing hash calculation in digest auth; old function had collisions causing the browser to challenge users for authentication too often. -CG/AW Fri Jan 14 19:19:45 CET 2011 Removing dead code, adding missing new symbols to export list. Fixed two missing NULL checks after malloc operations. -CG Mon Jan 10 14:07:33 CET 2011 Releasing libmicrohttpd 0.9.5. -CG Wed Jan 5 15:20:11 CET 2011 Fixing double-locking on non-Linux platforms when using MHD_create_response_from_fd (#1639). -CG Avoid use of strndup for better portability (#1636). -CG Tue Jan 4 13:07:21 CET 2011 Added MHD_create_response_from_buffer, deprecating MHD_create_response_from_data. Deprecating MHD_create_response_from_fd as well. -CG Sun Dec 26 00:02:15 CET 2010 Releasing libmicrohttpd 0.9.4. -CG Sat Dec 25 21:57:14 CET 2010 Adding support for basic authentication. Documented how to obtain client SSL certificates in tutorial. -MS Thu Dec 23 15:40:36 CET 2010 Increasing nonce length to 128 to support digest authentication with Opera (see #1633). Mon Dec 20 21:22:57 CET 2010 Added macro MHD_LONG_LONG to allow change of MHD's "long long" use to some other type on platforms that do not support "long long" (Mantis #1631). -CG/bplant Sun Dec 19 19:54:15 CET 2010 Added 'MHD_create_response_from_fd_at_offset'. -CG Sun Dec 19 15:16:16 CET 2010 Fixing --enable and --disable configure options to behave properly. -CG Sun Dec 19 13:46:52 CET 2010 Added option to specify size of stacks for threads created by MHD. -CG Tue Nov 23 09:41:00 CET 2010 Releasing libmicrohttpd 0.9.3. -CG Thu Nov 18 23:10:36 CET 2010 Fixing #1619 (testcases not working with NSS on Fedora). -CG/timn Thu Nov 18 22:55:58 CET 2010 Fixing #1621 (socket not closed under certain circumstances). -CG/jaredc Wed Nov 17 12:16:53 CET 2010 Allowing signalling of errors in generating chunked responses to clients (by closing connectins) using the new MHD_CONTENT_READER_END_WITH_ERROR ((size_t)-2) return value. Also introducing MHD_CONTENT_READER_END_OF_STREAM constant instead of (size_t) -1 / SIZE_MAX. Sun Nov 14 20:45:45 CET 2010 Adding API call to generate HTTP footers in response. -CG Sat Oct 16 12:38:43 CEST 2010 Releasing libmicrohttpd 0.9.2. -CG Tue Oct 12 15:41:51 CEST 2010 Fixed issue with data received via SSL being delayed in the GNUtls buffer if sender stopped transmitting (but did not close the connection) and MHD buffer size was smaller than last fragment, resulting in possibly significantly delayed processing of incoming data. -CG Wed Sep 22 09:48:59 CEST 2010 Changed port argument from 'unsigned short' to 'uint16_t'. Removed dead code when compiling with messages enabled. Minimal unrelated code cleanup. -CG Tue Sep 21 15:12:41 CEST 2010 Use "size_t" for buffer size instead of "int". -CG Sat Sep 18 07:16:30 CEST 2010 Adding support for SHOUTcast. -CG Wed Sep 15 09:33:46 CEST 2010 Fixed double-free. -CG/ES Fri Sep 10 14:47:11 CEST 2010 Releasing libmicrohttpd 0.9.1. -CG Fri Sep 10 14:29:37 CEST 2010 Adding proper nonce counter checking for digest authentication. -CG/AA Sat Sep 4 21:55:52 CEST 2010 Digest authentication now seems to be working. -CG/AA Wed Sep 1 13:59:16 CEST 2010 Added ability to specify external unescape function. "microhttpd.h" now includes the right headers for GNU/Linux systems unless MHD_PLATFORM_H is defined (in which case it is assumed that the right headers were already determined by some configure-like process). -CG Tue Aug 31 15:39:25 CEST 2010 Fixed bug with missing call to response cleanup in case of connection handling error (for example, after getting a SIGPIPE). -CG Tue Aug 24 11:39:25 CEST 2010 Fixed bug in handling EAGAIN from GnuTLS (caused needlessly dropped SSL connections). -CG Sun Aug 22 16:49:13 CEST 2010 Initial draft for digest authentication. -AA Thu Aug 19 14:15:01 CEST 2010 Changed code to enable error messages and HTTPS by default; added option to disable post processor API (use breaks binary compatibility, should only be done for embedded systems that require minimal footprint). -CG Thu Aug 19 13:26:00 CEST 2010 Patches for Windows to ease compilation trouble. -GT/CG Sat Aug 14 15:43:30 CEST 2010 Fixed small, largely hypothetical leaks. Reduced calls to strlen for header processing. -CG Fri Aug 6 12:51:59 CEST 2010 Fixing (small) memory leak on daemon-shutdown with SSL enabled. -CG/PG Thu Aug 5 22:24:37 CEST 2010 Fixing timeout bug on systems that think it's still 1970 (can happen if system time not initialized). -CG Mon Jul 26 10:46:57 CEST 2010 Releasing libmicrohttpd 0.9.0. -CG Sun Jul 25 14:57:47 CEST 2010 Adding support for sendfile on Linux. Adding support for systemd-style passing of an existing listen socket as an option. IPv6 sockets now only bind to IPv6 (if platform supports this). -CG Sun Jul 25 11:10:45 CEST 2010 Changed code to use external libgnutls code instead of the "fork". Minor API changes for setting TLS options. -CG Sun Jun 13 10:52:34 CEST 2010 Cleaned up example code. -CG Fri Apr 23 09:56:37 CEST 2010 Do not return HTTP headers for requests without version numbers. Do return HTTP version 1.0 if client requested HTTP version 1.1 (previously, we returned HTTP/1.1 even if the client specified HTTP/1.0). -GM/CG Sat Mar 13 09:41:01 CET 2010 Releasing libmicrohttpd 0.4.6. -CG Wed Mar 10 13:18:26 CET 2010 Fixing bug in 100 CONTINUE replacement when handling POSTs (see report on mailinglist), with testcase. -CG/MC Tue Feb 23 09:16:15 CET 2010 Added configure check for endianness to define WORDS_BIGENDIAN which fixes SSL support on big endian architectures. -JA/CG Sat Feb 20 10:01:09 CET 2010 Added check for inconsistent options (MHD_OPTION_PROTOCOL_VERSION without MHD_USE_SSL) causing instant segfault. -JA/CG Tue Feb 9 20:31:51 CET 2010 Fixed issue with poll doing busy waiting. -BK/CG Thu Jan 28 21:28:56 CET 2010 Releasing libmicrohttpd 0.4.5. -CG Thu Jan 28 20:35:48 CET 2010 Make sure addresses returned by memory pool are aligned (fixes bus errors on Sparc). -CG Thu Dec 17 20:26:52 CET 2009 poll.h is not stricly required anymore. -ND Fri Dec 4 13:17:50 CET 2009 Adding MHD_OPTION_ARRAY. -CG Mon Nov 16 14:41:26 CET 2009 Fixed busy-loop in internal select mode for inactive clients with infinite connection timeout. -CG Thu Nov 12 16:19:14 CET 2009 Adding support for setting a custom error handler for fatal errors (previously, the implementation always called 'abort' in these cases). -CG/ND Wed Nov 11 12:54:16 CET 2009 Adding support for poll (alternative to select allowing for more than FD_SETSIZE parallel connections). -JM Wed Oct 28 20:26:00 CET 2009 Releasing libmicrohttpd 0.4.4. -CG Wed Oct 14 14:37:37 CEST 2009 Fixing (rare) deadlock due to SELECT missing SIGALRM by making all SELECT calls block for at most 1s. While this can in (rare) situations delay the shutdown by 1s, I think this is preferable (both performance and possibly portability-wise) over using a pipe for the signal. -CG Sun Oct 11 14:57:29 CEST 2009 Adding eCos license as an additional license for the non-HTTPS code of MHD. -CG Sun Oct 11 11:24:27 CEST 2009 Adding support for Symbian. -MR Fri Oct 9 15:21:29 CEST 2009 Check for error codes from pthread operations (to help with error diagnostics) and abort if something went wrong. -CG Thu Oct 8 10:43:02 CEST 2009 Added check for sockets being '< FD_SETSIZE' (just to be safe). -CG Mon Oct 5 21:17:26 CEST 2009 Adding "COOKIE" header string #defines. -CG Mon Oct 5 08:29:06 CEST 2009 Documenting default values. -CG Fri Aug 28 22:56:47 CEST 2009 Releasing libmicrohttpd 0.4.3. -CG Sun Aug 23 16:21:35 UTC 2009 Allow MHD_get_daemon_info to return the daemon's listen socket. Includes a test case that uses this functionality to bind a server to an OS-assigned port, look the port up with getsockname, and curl it. -DR Tue Aug 4 00:14:04 CEST 2009 Fixing double-call to read from content-reader callback for first data segment (as reported by Alex on the mailinglist). -CG Thu Jul 29 21:41:52 CEST 2009 Fixed issue with the code not using the "block_size" argument given to MHD_create_response_from_callback causing inefficiencies for values < 2048 and segmentation faults for values > 2048 (as reported by Andre Colomb on the mailinglist). -CG Sun May 17 03:29:46 MDT 2009 Releasing libmicrohttpd 0.4.2. -CG Fri May 15 11:00:20 MDT 2009 Grow reserved read buffer more aggressively so that we are not needlessly stuck reading only a handfull of bytes in each iteration. -CG Thu May 14 21:20:30 MDT 2009 Fixed issue where the "NOTIFY_COMPLETED" handler could be called twice (if a socket error or timeout occured for a pipelined connection after successfully completing a request and before the next request was successfully transmitted). This could confuse applications not expecting to see a connection "complete" that they were never aware of in the first place. -CG Mon May 11 13:01:16 MDT 2009 Fixed issue where error code on timeout was "TERMINATED_WITH_ERROR" instead of "TERMINATED_TIMEOUT_REACHED". -CG Wed Apr 1 21:33:05 CEST 2009 Added MHD_get_version(). -ND Wed Mar 18 22:59:07 MDT 2009 Releasing libmicrohttpd 0.4.1. -CG Wed Mar 18 17:46:58 MDT 2009 Always RECV/SEND with MSG_DONTWAIT to (possibly) address strange deadlock reported by Erik on the mailinglist --- and/or issues with blocking read after select on GNU/Linux (see select man page under bugs). -CG Tue Mar 17 01:19:50 MDT 2009 Added support for thread-pools. -CG/RA Mon Mar 2 23:44:08 MST 2009 Fixed problem with 64-bit upload and download sizes and "-1" being used to indicate "unknown" by introducing new 64-bit constant "MHD_SIZE_UNKNOWN". -CG/DC Wed Feb 18 08:13:56 MST 2009 Added missing #include for build on arm-linux-uclibc. -CG/CC Mon Feb 16 21:12:21 MST 2009 Moved MHD_get_connection_info so that it is always defined, even if HTTPS support is not enabled. -CG Sun Feb 8 21:15:30 MST 2009 Releasing libmicrohttpd 0.4.0. -CG Thu Feb 5 22:43:45 MST 2009 Incompatible API change to allow 64-bit uploads and downloads. Clients must use "uint64_t" for the "pos" argument (MHD_ContentReaderCallback) and the "off" argument (MHD_PostDataIterator) and the "size" argument (MHD_create_response_from_callback) now. Also, "unsigned int" was changed to "size_t" for the "upload_data_size" argument (MHD_AccessHandlerCallback), the argument to MHD_OPTION_CONNECTION_MEMORY_LIMIT, the "block_size" argument (MHD_create_response_from_callback), the "buffer_size" argument (MHD_create_post_processor) and the "post_data_len" argument (MHD_post_process). You may need to #include before from now on. -CG Thu Feb 5 20:21:08 MST 2009 Allow getting address information about the connecting client after the accept call. -CG Mon Feb 2 22:21:48 MST 2009 Fixed missing size adjustment for offsets for %-encoded arguments processed by the post processor (Mantis #1447). -CG/SN Fri Jan 23 16:57:21 MST 2009 Support charset specification (ignore) after content-type when post-processing HTTP POST requests (Mantis #1443). -CG/SN Fri Dec 26 23:08:04 MST 2008 Fixed broken check for identical connection address. -CG Making cookie parser more RFC2109 compliant (handle spaces around key, allow value to be optional). -CG Sat Dec 6 18:36:17 MST 2008 Added configure option to disable checking for CURL support. Added MHD_OPTION to allow specification of custom logger. -CG Tue Nov 18 01:19:53 MST 2008 Removed support for untested and/or broken SSL features and (largely useless) options. -CG Sun Nov 16 16:54:54 MST 2008 Added option to get unparsed URI via callback. Releasing GNU libmicrohttpd 0.4.0pre1. -CG Sun Nov 16 02:48:14 MST 2008 Removed tons of dead code. -CG Sat Nov 15 17:34:24 MST 2008 Added build support for code coverage analysis. -CG Sat Nov 15 00:31:33 MST 2008 Removing (broken) support for HTTPS servers with anonymous (aka "no") certificates as well as various useless dead code. -CG Sat Nov 8 02:18:42 MST 2008 Unset TCP_CORK at the end of transmitting a response to improve performance (on systems where this is supported). -MM Tue Sep 30 16:48:08 MDT 2008 Make MHD useful to Cygwin users; detect IPv6 headers in configure. Sun Sep 28 14:57:46 MDT 2008 Unescape URIs (convert "%ef%e4%45" to "$BCf9q(B"). -CG Wed Sep 10 22:43:59 MDT 2008 Releasing GNU libmicrohttpd 0.4.0pre0. -CG Wed Sep 10 21:36:06 MDT 2008 Fixed data race on closing sockets during shutdown (in one-thread-per-connection mode). -CG Thu Sep 4 23:37:18 MDT 2008 Fixed some boundary issues with processing chunked requests; removed memmove from a number of spots, in favor of using an index into the current buffer instead. -GS Sun Aug 24 13:05:41 MDT 2008 Now handling clients returning 0 from response callback as specified in the documentation (abort if internal select is used, retry immediately if a thread per connection is used). -CG Sun Aug 24 12:44:43 MDT 2008 Added missing reason phrase. -SG Sun Aug 24 10:33:22 MDT 2008 Fixed bug where MHD failed to transmit the response when the client decided not to send "100 CONTINUE" during a PUT/POST request. -CG Wed Jul 16 18:54:03 MDT 2008 Fixed bug generating chunked responses with chunk sizes greater than 0xFFFFFF (would cause protocol violations). -CG Mon May 26 13:28:57 MDT 2008 Updated and improved documentation. Releasing GNU libmicrohttpd 0.3.1. -CG Fri May 23 16:54:41 MDT 2008 Fixed issue with postprocessor not handling URI-encoded values of more than 1024 bytes correctly. -CG Mon May 5 09:18:29 MDT 2008 Fixed date header (was off by 1900 years). -JP Sun Apr 13 01:06:20 MDT 2008 Releasing GNU libmicrohttpd 0.3.0. -CG Sat Apr 12 21:34:26 MDT 2008 Generate an internal server error if the programmer fails to handle upload data correctly. Tweaked testcases to avoid running into the problem in the testcases. Completed zzuf-based fuzzing testcases. -CG Sat Apr 12 15:14:05 MDT 2008 Restructured the code (curl-testcases and zzuf testcases are now in different directories; code examples are in src/examples/). Fixed a problem (introduced in 0.2.3) with handling very large requests (the code did not return proper error code). If "--enable-messages" is specified, the code now includes reasonable default HTML webpages for various build-in errors (such as request too large and malformed requests). Without that flag, the webpages returned will still be empty. Started to add zzuf-based fuzzing-testcases (these require the zzuf and socat binaries to be installed). -CG Fri Apr 11 20:20:34 MDT 2008 I hereby dub libmicrohttpd a GNU package. -Richard Stallman Sat Mar 29 22:36:09 MDT 2008 Fixed bugs in handling of malformed HTTP requests (causing either NULL dereferences or connections to persist until time-out, if any). -CG Updated and integrated TexInfo documentation. -CG Tue Mar 25 13:40:53 MDT 2008 Prevent multi-part post-processor from going to error state when the input buffer is full and current token just changes processor state without consuming any data. Also, the original implementation would not consume any input in process_value_to_boundary if there is no new line character in sight. -AS Remove checks for request method after it finished writing response footers as it's only _pipelined_ requests that should not be allowed after POST or PUT requests. Reusing the existing connection is perfectly ok though. And there is no reliable way to detect pipelining on server side anyway so it is the client's responsibility to not send new data before it gets a response after a POST operation. -AS Clarified license in man page. Releasing libmicrohttpd 0.2.3 -CG Sat Mar 22 01:12:38 MDT 2008 Releasing libmicrohttpd 0.2.2. -CG Mon Feb 25 19:13:53 MST 2008 Fixed a problem with sockets closed for reading ending up in the read set under certain circumstances. -CG Wed Jan 30 23:15:44 MST 2008 Added support for nested multiparts to post processor. Made sure that MHD does not allow pipelining for methods other than HEAD and GET (and of course still also only allows it for http 1.1). Releasing libmicrohttpd 0.2.1. -CG Mon Jan 21 11:59:46 MST 2008 Added option to limit number of concurrent connections accepted from the same IP address. -CG Fri Jan 4 16:02:08 MST 2008 Fix to properly close connection if application signals problem handling the request. - AS Wed Jan 2 16:41:05 MST 2008 Improvements and bugfixes to post processor implementation. - AS Wed Dec 19 21:12:04 MST 2007 Implemented chunked (HTTP 1.1) downloads (including sending of HTTP footers). Also allowed queuing of a response early to suppress the otherwise automatic "100 CONTINUE" response. Removed the mostly useless "(un)register handler" methods from the API. Changed the internal implementation to use a finite state machine (cleaner code, slightly less memory consumption). Releasing libmicrohttpd 0.2.0. - CG Sun Dec 16 03:24:13 MST 2007 Implemented handling of chunked (HTTP 1.1) uploads. Note that the upload callback must be able to process chunks in the size uploaded by the client, MHD will not "join" small chunks into a big contiguous block of memory (even if buffer space would be available). - CG Wed Dec 5 21:39:35 MST 2007 Fixed race in multi-threaded server mode. Fixed handling of POST data when receiving a "Connection: close" header (#1296). Releasing libmicrohttpd 0.1.2. - CG Sat Nov 17 00:55:24 MST 2007 Fixed off-by-one in error message string matching. Added code to avoid generating SIGPIPE on platforms where this is possible (everywhere else, the main application should install a handler for SIGPIPE). Thu Oct 11 11:02:06 MDT 2007 Releasing libmicrohttpd 0.1.1. - CG Thu Oct 11 10:09:12 MDT 2007 Fixing response to include HTTP status message. - EG Thu Sep 27 10:19:46 MDT 2007 Fixing parsing of "%xx" in URLs with GET arguments. - eglaysher Sun Sep 9 14:32:23 MDT 2007 Added option to compile debug/warning messages; error messages are now disabled by default. Modified linker option for GNU LD to not export non-public symbols (further reduces binary size). Releasing libmicrohttpd 0.1.0. - CG Sat Sep 8 21:54:04 MDT 2007 Extended API to allow for incremental POST processing. The new API is binary-compatible as long as the app does not handle POSTs, but since that maybe the case, we're strictly speaking breaking backwards compatibility (since url-encoded POST data is no longer obtained the same way). - CG Thu Aug 30 00:59:24 MDT 2007 Improving API to allow clients to associate state with a connection and to be notified about request termination (this is a binary-compatible change). - CG Fixed compile errors under OS X. - HL Sun Aug 26 03:11:46 MDT 2007 Added MHD_USE_PEDANTIC_CHECKS option which enforces receiving a "Host:" header in HTTP 1.1 (and sends a HTTP 400 status back if this is violated). - CG Tue Aug 21 01:01:46 MDT 2007 Fixing assertion failure that occured when a client closed the connection after sending some data but not the full headers. - CG Sat Aug 18 03:06:09 MDT 2007 Check for out of memory when adding headers to responses. Check for NULL key when looking for headers. If a content reader callback for a response returns zero (has no data yet), do not possibly fall into busy waiting when using external select (with internal selects we have no choice). - CG Wed Aug 15 01:46:44 MDT 2007 Extending API to allow timeout of connections. Changed API (MHD_create_response_from_callback) to allow user to specify IO buffer size. Improved error handling. Released libmicrohttpd 0.0.3. - CG Tue Aug 14 19:45:49 MDT 2007 Changed license to LGPL (with consent from all contributors). Released libmicrohttpd 0.0.2. - CG Sun Aug 12 00:09:26 MDT 2007 Released libmicrohttpd 0.0.1. - CG Fri Aug 10 17:31:23 MDT 2007 Fixed problems with handling of responses created from callbacks. Allowing accept policy callback to be NULL (to accept from all). Added minimal fileserver example. Only send 100 continue header when specifically requested. - CG Wed Aug 8 01:46:06 MDT 2007 Added pool allocation and connection limitations (total number and memory size). Released libmicrohttpd 0.0.0. - CG Tue Jan 9 20:52:48 MST 2007 Created project build files and updated API. - CG libmicrohttpd-0.9.33/MHD_config.h.in0000644000175000017500000002173712255340774014131 00000000000000/* MHD_config.h.in. Generated from configure.ac by autoheader. */ #define _GNU_SOURCE 1 /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD /* disable basic Auth support */ #undef BAUTH_SUPPORT /* This is a Cygwin system */ #undef CYGWIN /* disable digest Auth support */ #undef DAUTH_SUPPORT /* disable epoll support */ #undef EPOLL_SUPPORT /* This is a FreeBSD system */ #undef FREEBSD /* Define to 1 if you have the `accept4' function. */ #undef HAVE_ACCEPT4 /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H /* Have clock_gettime */ #undef HAVE_CLOCK_GETTIME /* Define to 1 if you have the header file. */ #undef HAVE_CURL_CURL_H /* Define to 1 if you have the declaration of `TCP_CORK', and to 0 if you don't. */ #undef HAVE_DECL_TCP_CORK /* Define to 1 if you have the declaration of `TCP_NOPUSH', and to 0 if you don't. */ #undef HAVE_DECL_TCP_NOPUSH /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the 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messages */ #undef HAVE_MESSAGES /* Define to 1 if you have the header file. */ #undef HAVE_NETDB_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IN_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_TCP_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_ENGINE_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_ERR_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_EVP_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_PEM_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_RAND_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_RSA_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_SHA_H /* Define to 1 if you have the header file. */ #undef HAVE_PLIBC_H /* Define to 1 if you have the header file. */ #undef HAVE_POLL_H /* Define to 1 if you have the header file. */ #undef HAVE_PTHREAD_H /* Define to 1 if you have the header file. */ #undef HAVE_SEARCH_H /* Do we have sockaddr_in.sin_len? */ #undef HAVE_SOCKADDR_IN_SIN_LEN /* SOCK_NONBLOCK is defined in a socket header */ #undef HAVE_SOCK_NONBLOCK /* Define to 1 if you have the header file. */ #undef HAVE_SPDYLAY_SPDYLAY_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_EPOLL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_MMAN_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_MSG_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SELECT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKET_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the header file. */ #undef HAVE_WINSOCK2_H /* Define to 1 if you have the header file. */ #undef HAVE_WS2TCPIP_H /* disable HTTPS support */ #undef HTTPS_SUPPORT /* Defined if libcurl supports AsynchDNS */ #undef LIBCURL_FEATURE_ASYNCHDNS /* Defined if libcurl supports IDN */ #undef LIBCURL_FEATURE_IDN /* Defined if libcurl supports IPv6 */ #undef LIBCURL_FEATURE_IPV6 /* Defined if libcurl supports KRB4 */ #undef LIBCURL_FEATURE_KRB4 /* Defined if libcurl supports libz */ #undef LIBCURL_FEATURE_LIBZ /* Defined if libcurl supports NTLM */ #undef LIBCURL_FEATURE_NTLM /* Defined if libcurl supports SSL */ #undef LIBCURL_FEATURE_SSL /* Defined if libcurl supports SSPI */ #undef LIBCURL_FEATURE_SSPI /* Defined if libcurl supports DICT */ #undef LIBCURL_PROTOCOL_DICT /* Defined if libcurl supports FILE */ #undef LIBCURL_PROTOCOL_FILE /* Defined if libcurl supports FTP */ #undef LIBCURL_PROTOCOL_FTP /* Defined if libcurl supports FTPS */ #undef LIBCURL_PROTOCOL_FTPS /* Defined if libcurl supports HTTP */ #undef LIBCURL_PROTOCOL_HTTP /* Defined if libcurl supports HTTPS */ #undef LIBCURL_PROTOCOL_HTTPS /* Defined if libcurl supports IMAP */ #undef LIBCURL_PROTOCOL_IMAP /* Defined if libcurl supports LDAP */ #undef LIBCURL_PROTOCOL_LDAP /* Defined if libcurl supports POP3 */ #undef LIBCURL_PROTOCOL_POP3 /* Defined if libcurl supports RTSP */ #undef LIBCURL_PROTOCOL_RTSP /* Defined if libcurl supports SMTP */ #undef LIBCURL_PROTOCOL_SMTP /* Defined if libcurl supports TELNET */ #undef LIBCURL_PROTOCOL_TELNET /* Defined if libcurl supports TFTP */ #undef LIBCURL_PROTOCOL_TFTP /* This is a Linux kernel */ #undef LINUX /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* gcrypt lib version */ #undef MHD_GCRYPT_VERSION /* gnuTLS lib version - used in conjunction with cURL */ #undef MHD_REQ_CURL_GNUTLS_VERSION /* NSS lib version - used in conjunction with cURL */ #undef MHD_REQ_CURL_NSS_VERSION /* required cURL SSL version to run tests */ #undef MHD_REQ_CURL_OPENSSL_VERSION /* required cURL version to run tests */ #undef MHD_REQ_CURL_VERSION /* This is a MinGW system */ #undef MINGW /* This is a NetBSD system */ #undef NETBSD /* Define to 1 if your C compiler doesn't accept -c and -o together. */ #undef NO_MINUS_C_MINUS_O /* This is an OpenBSD system */ #undef OPENBSD /* This is a OS/390 system */ #undef OS390 /* This is an OS X system */ #undef OSX /* Some strange OS */ #undef OTHEROS /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* This is a Solaris system */ #undef SOLARIS /* This is a BSD system */ #undef SOMEBSD /* disable libmicrospdy support */ #undef SPDY_SUPPORT /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* This is a Windows system */ #undef WINDOWS /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most significant byte first (like Motorola and SPARC, unlike Intel). */ #if defined AC_APPLE_UNIVERSAL_BUILD # if defined __BIG_ENDIAN__ # define WORDS_BIGENDIAN 1 # endif #else # ifndef WORDS_BIGENDIAN # undef WORDS_BIGENDIAN # endif #endif /* Enable large inode numbers on Mac OS X 10.5. */ #ifndef _DARWIN_USE_64_BIT_INODE # define _DARWIN_USE_64_BIT_INODE 1 #endif /* Number of bits in a file offset, on hosts where this is settable. */ #undef _FILE_OFFSET_BITS /* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */ #undef _LARGEFILE_SOURCE /* Define for large files, on AIX-style hosts. */ #undef _LARGE_FILES /* Need with solaris or errno doesnt work */ #undef _REENTRANT /* Define curl_free() as free() if our version of curl lacks curl_free. */ #undef curl_free libmicrohttpd-0.9.33/config.guess0000755000175000017500000012743212255340774013735 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-02-10' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Per Bothner. Please send patches (context # diff format) to and include a ChangeLog # entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. 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But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; aarch64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-gnueabi else echo ${UNAME_MACHINE}-unknown-linux-gnueabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:Linux:*:*) LIBC=gnu eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-gnu exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-gnu ;; PA8*) echo hppa2.0-unknown-linux-gnu ;; *) echo hppa-unknown-linux-gnu ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in i386) eval $set_cc_for_build if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then UNAME_PROCESSOR="x86_64" fi fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; 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Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without warranty of any kind. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. Some packages provide this `INSTALL' file but do not implement all of the features documented below. The lack of an optional feature in a given package is not necessarily a bug. More recommendations for GNU packages can be found in *note Makefile Conventions: (standards)Makefile Conventions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. 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In practice, not all packages have tested that uninstallation works correctly, even though it is required by the GNU Coding Standards. 8. Some packages, particularly those that use Automake, provide `make distcheck', which can by used by developers to test that all other targets like `make install' and `make uninstall' work correctly. This target is generally not run by end users. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c99 CFLAGS=-g LIBS=-lposix *Note Defining Variables::, for more details. 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On MacOS X 10.5 and later systems, you can create libraries and executables that work on multiple system types--known as "fat" or "universal" binaries--by specifying multiple `-arch' options to the compiler but only a single `-arch' option to the preprocessor. Like this: ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ CPP="gcc -E" CXXCPP="g++ -E" This is not guaranteed to produce working output in all cases, you may have to build one architecture at a time and combine the results using the `lipo' tool if you have problems. Installation Names ================== By default, `make install' installs the package's commands under `/usr/local/bin', include files under `/usr/local/include', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PREFIX', where PREFIX must be an absolute file name. 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See the GNU % General Public License for more details. % % You should have received a copy of the GNU General Public License % along with this program. If not, see . % % As a special exception, when this file is read by TeX when processing % a Texinfo source document, you may use the result without % restriction. (This has been our intent since Texinfo was invented.) % % Please try the latest version of texinfo.tex before submitting bug % reports; you can get the latest version from: % http://www.gnu.org/software/texinfo/ (the Texinfo home page), or % ftp://tug.org/tex/texinfo.tex % (and all CTAN mirrors, see http://www.ctan.org). % The texinfo.tex in any given distribution could well be out % of date, so if that's what you're using, please check. % % Send bug reports to bug-texinfo@gnu.org. Please include including a % complete document in each bug report with which we can reproduce the % problem. Patches are, of course, greatly appreciated. % % To process a Texinfo manual with TeX, it's most reliable to use the % texi2dvi shell script that comes with the distribution. For a simple % manual foo.texi, however, you can get away with this: % tex foo.texi % texindex foo.?? % tex foo.texi % tex foo.texi % dvips foo.dvi -o # or whatever; this makes foo.ps. % The extra TeX runs get the cross-reference information correct. % Sometimes one run after texindex suffices, and sometimes you need more % than two; texi2dvi does it as many times as necessary. % % It is possible to adapt texinfo.tex for other languages, to some % extent. You can get the existing language-specific files from the % full Texinfo distribution. % % The GNU Texinfo home page is http://www.gnu.org/software/texinfo. \message{Loading texinfo [version \texinfoversion]:} % If in a .fmt file, print the version number % and turn on active characters that we couldn't do earlier because % they might have appeared in the input file name. \everyjob{\message{[Texinfo version \texinfoversion]}% \catcode`+=\active \catcode`\_=\active} \chardef\other=12 % We never want plain's \outer definition of \+ in Texinfo. % For @tex, we can use \tabalign. \let\+ = \relax % Save some plain tex macros whose names we will redefine. \let\ptexb=\b \let\ptexbullet=\bullet \let\ptexc=\c \let\ptexcomma=\, \let\ptexdot=\. \let\ptexdots=\dots \let\ptexend=\end \let\ptexequiv=\equiv \let\ptexexclam=\! \let\ptexfootnote=\footnote \let\ptexgtr=> \let\ptexhat=^ \let\ptexi=\i \let\ptexindent=\indent \let\ptexinsert=\insert \let\ptexlbrace=\{ \let\ptexless=< \let\ptexnewwrite\newwrite \let\ptexnoindent=\noindent \let\ptexplus=+ \let\ptexraggedright=\raggedright \let\ptexrbrace=\} \let\ptexslash=\/ \let\ptexstar=\* \let\ptext=\t \let\ptextop=\top {\catcode`\'=\active \global\let\ptexquoteright'}% active in plain's math mode % If this character appears in an error message or help string, it % starts a new line in the output. \newlinechar = `^^J % Use TeX 3.0's \inputlineno to get the line number, for better error % messages, but if we're using an old version of TeX, don't do anything. % \ifx\inputlineno\thisisundefined \let\linenumber = \empty % Pre-3.0. \else \def\linenumber{l.\the\inputlineno:\space} \fi % Set up fixed words for English if not already set. \ifx\putwordAppendix\undefined \gdef\putwordAppendix{Appendix}\fi \ifx\putwordChapter\undefined \gdef\putwordChapter{Chapter}\fi \ifx\putworderror\undefined \gdef\putworderror{error}\fi \ifx\putwordfile\undefined \gdef\putwordfile{file}\fi \ifx\putwordin\undefined \gdef\putwordin{in}\fi \ifx\putwordIndexIsEmpty\undefined \gdef\putwordIndexIsEmpty{(Index is empty)}\fi \ifx\putwordIndexNonexistent\undefined \gdef\putwordIndexNonexistent{(Index is nonexistent)}\fi \ifx\putwordInfo\undefined \gdef\putwordInfo{Info}\fi \ifx\putwordInstanceVariableof\undefined \gdef\putwordInstanceVariableof{Instance Variable of}\fi \ifx\putwordMethodon\undefined \gdef\putwordMethodon{Method on}\fi \ifx\putwordNoTitle\undefined \gdef\putwordNoTitle{No Title}\fi \ifx\putwordof\undefined \gdef\putwordof{of}\fi \ifx\putwordon\undefined \gdef\putwordon{on}\fi \ifx\putwordpage\undefined \gdef\putwordpage{page}\fi \ifx\putwordsection\undefined \gdef\putwordsection{section}\fi \ifx\putwordSection\undefined \gdef\putwordSection{Section}\fi \ifx\putwordsee\undefined \gdef\putwordsee{see}\fi \ifx\putwordSee\undefined \gdef\putwordSee{See}\fi \ifx\putwordShortTOC\undefined \gdef\putwordShortTOC{Short Contents}\fi \ifx\putwordTOC\undefined \gdef\putwordTOC{Table of Contents}\fi % \ifx\putwordMJan\undefined \gdef\putwordMJan{January}\fi \ifx\putwordMFeb\undefined \gdef\putwordMFeb{February}\fi \ifx\putwordMMar\undefined \gdef\putwordMMar{March}\fi \ifx\putwordMApr\undefined \gdef\putwordMApr{April}\fi \ifx\putwordMMay\undefined \gdef\putwordMMay{May}\fi \ifx\putwordMJun\undefined \gdef\putwordMJun{June}\fi \ifx\putwordMJul\undefined \gdef\putwordMJul{July}\fi \ifx\putwordMAug\undefined \gdef\putwordMAug{August}\fi \ifx\putwordMSep\undefined \gdef\putwordMSep{September}\fi \ifx\putwordMOct\undefined \gdef\putwordMOct{October}\fi \ifx\putwordMNov\undefined \gdef\putwordMNov{November}\fi \ifx\putwordMDec\undefined \gdef\putwordMDec{December}\fi % \ifx\putwordDefmac\undefined \gdef\putwordDefmac{Macro}\fi \ifx\putwordDefspec\undefined \gdef\putwordDefspec{Special Form}\fi \ifx\putwordDefvar\undefined \gdef\putwordDefvar{Variable}\fi \ifx\putwordDefopt\undefined \gdef\putwordDefopt{User Option}\fi \ifx\putwordDeffunc\undefined \gdef\putwordDeffunc{Function}\fi % Since the category of space is not known, we have to be careful. \chardef\spacecat = 10 \def\spaceisspace{\catcode`\ =\spacecat} % sometimes characters are active, so we need control sequences. \chardef\ampChar = `\& \chardef\colonChar = `\: \chardef\commaChar = `\, \chardef\dashChar = `\- \chardef\dotChar = `\. \chardef\exclamChar= `\! \chardef\hashChar = `\# \chardef\lquoteChar= `\` \chardef\questChar = `\? \chardef\rquoteChar= `\' \chardef\semiChar = `\; \chardef\slashChar = `\/ \chardef\underChar = `\_ % Ignore a token. % \def\gobble#1{} % The following is used inside several \edef's. \def\makecsname#1{\expandafter\noexpand\csname#1\endcsname} % Hyphenation fixes. \hyphenation{ Flor-i-da Ghost-script Ghost-view Mac-OS Post-Script ap-pen-dix bit-map bit-maps data-base data-bases eshell fall-ing half-way long-est man-u-script man-u-scripts mini-buf-fer mini-buf-fers over-view par-a-digm par-a-digms rath-er rec-tan-gu-lar ro-bot-ics se-vere-ly set-up spa-ces spell-ing spell-ings stand-alone strong-est time-stamp time-stamps which-ever white-space wide-spread wrap-around } % Margin to add to right of even pages, to left of odd pages. \newdimen\bindingoffset \newdimen\normaloffset \newdimen\pagewidth \newdimen\pageheight % For a final copy, take out the rectangles % that mark overfull boxes (in case you have decided % that the text looks ok even though it passes the margin). % \def\finalout{\overfullrule=0pt } % Sometimes it is convenient to have everything in the transcript file % and nothing on the terminal. We don't just call \tracingall here, % since that produces some useless output on the terminal. We also make % some effort to order the tracing commands to reduce output in the log % file; cf. trace.sty in LaTeX. % \def\gloggingall{\begingroup \globaldefs = 1 \loggingall \endgroup}% \def\loggingall{% \tracingstats2 \tracingpages1 \tracinglostchars2 % 2 gives us more in etex \tracingparagraphs1 \tracingoutput1 \tracingmacros2 \tracingrestores1 \showboxbreadth\maxdimen \showboxdepth\maxdimen \ifx\eTeXversion\thisisundefined\else % etex gives us more logging \tracingscantokens1 \tracingifs1 \tracinggroups1 \tracingnesting2 \tracingassigns1 \fi \tracingcommands3 % 3 gives us more in etex \errorcontextlines16 }% % @errormsg{MSG}. Do the index-like expansions on MSG, but if things % aren't perfect, it's not the end of the world, being an error message, % after all. % \def\errormsg{\begingroup \indexnofonts \doerrormsg} \def\doerrormsg#1{\errmessage{#1}} % add check for \lastpenalty to plain's definitions. If the last thing % we did was a \nobreak, we don't want to insert more space. % \def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount \removelastskip\penalty-50\smallskip\fi\fi} \def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount \removelastskip\penalty-100\medskip\fi\fi} \def\bigbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\bigskipamount \removelastskip\penalty-200\bigskip\fi\fi} % Do @cropmarks to get crop marks. % \newif\ifcropmarks \let\cropmarks = \cropmarkstrue % % Dimensions to add cropmarks at corners. % Added by P. A. MacKay, 12 Nov. 1986 % \newdimen\outerhsize \newdimen\outervsize % set by the paper size routines \newdimen\cornerlong \cornerlong=1pc \newdimen\cornerthick \cornerthick=.3pt \newdimen\topandbottommargin \topandbottommargin=.75in % Output a mark which sets \thischapter, \thissection and \thiscolor. % We dump everything together because we only have one kind of mark. % This works because we only use \botmark / \topmark, not \firstmark. % % A mark contains a subexpression of the \ifcase ... \fi construct. % \get*marks macros below extract the needed part using \ifcase. % % Another complication is to let the user choose whether \thischapter % (\thissection) refers to the chapter (section) in effect at the top % of a page, or that at the bottom of a page. The solution is % described on page 260 of The TeXbook. It involves outputting two % marks for the sectioning macros, one before the section break, and % one after. I won't pretend I can describe this better than DEK... \def\domark{% \toks0=\expandafter{\lastchapterdefs}% \toks2=\expandafter{\lastsectiondefs}% \toks4=\expandafter{\prevchapterdefs}% \toks6=\expandafter{\prevsectiondefs}% \toks8=\expandafter{\lastcolordefs}% \mark{% \the\toks0 \the\toks2 \noexpand\or \the\toks4 \the\toks6 \noexpand\else \the\toks8 }% } % \topmark doesn't work for the very first chapter (after the title % page or the contents), so we use \firstmark there -- this gets us % the mark with the chapter defs, unless the user sneaks in, e.g., % @setcolor (or @url, or @link, etc.) between @contents and the very % first @chapter. \def\gettopheadingmarks{% \ifcase0\topmark\fi \ifx\thischapter\empty \ifcase0\firstmark\fi \fi } \def\getbottomheadingmarks{\ifcase1\botmark\fi} \def\getcolormarks{\ifcase2\topmark\fi} % Avoid "undefined control sequence" errors. \def\lastchapterdefs{} \def\lastsectiondefs{} \def\prevchapterdefs{} \def\prevsectiondefs{} \def\lastcolordefs{} % Main output routine. \chardef\PAGE = 255 \output = {\onepageout{\pagecontents\PAGE}} \newbox\headlinebox \newbox\footlinebox % \onepageout takes a vbox as an argument. Note that \pagecontents % does insertions, but you have to call it yourself. \def\onepageout#1{% \ifcropmarks \hoffset=0pt \else \hoffset=\normaloffset \fi % \ifodd\pageno \advance\hoffset by \bindingoffset \else \advance\hoffset by -\bindingoffset\fi % % Do this outside of the \shipout so @code etc. will be expanded in % the headline as they should be, not taken literally (outputting ''code). \ifodd\pageno \getoddheadingmarks \else \getevenheadingmarks \fi \setbox\headlinebox = \vbox{\let\hsize=\pagewidth \makeheadline}% \ifodd\pageno \getoddfootingmarks \else \getevenfootingmarks \fi \setbox\footlinebox = \vbox{\let\hsize=\pagewidth \makefootline}% % {% % Have to do this stuff outside the \shipout because we want it to % take effect in \write's, yet the group defined by the \vbox ends % before the \shipout runs. % \indexdummies % don't expand commands in the output. \normalturnoffactive % \ in index entries must not stay \, e.g., if % the page break happens to be in the middle of an example. % We don't want .vr (or whatever) entries like this: % \entry{{\tt \indexbackslash }acronym}{32}{\code {\acronym}} % "\acronym" won't work when it's read back in; % it needs to be % {\code {{\tt \backslashcurfont }acronym} \shipout\vbox{% % Do this early so pdf references go to the beginning of the page. \ifpdfmakepagedest \pdfdest name{\the\pageno} xyz\fi % \ifcropmarks \vbox to \outervsize\bgroup \hsize = \outerhsize \vskip-\topandbottommargin \vtop to0pt{% \line{\ewtop\hfil\ewtop}% \nointerlineskip \line{% \vbox{\moveleft\cornerthick\nstop}% \hfill \vbox{\moveright\cornerthick\nstop}% }% \vss}% \vskip\topandbottommargin \line\bgroup \hfil % center the page within the outer (page) hsize. \ifodd\pageno\hskip\bindingoffset\fi \vbox\bgroup \fi % \unvbox\headlinebox \pagebody{#1}% \ifdim\ht\footlinebox > 0pt % Only leave this space if the footline is nonempty. % (We lessened \vsize for it in \oddfootingyyy.) % The \baselineskip=24pt in plain's \makefootline has no effect. \vskip 24pt \unvbox\footlinebox \fi % \ifcropmarks \egroup % end of \vbox\bgroup \hfil\egroup % end of (centering) \line\bgroup \vskip\topandbottommargin plus1fill minus1fill \boxmaxdepth = \cornerthick \vbox to0pt{\vss \line{% \vbox{\moveleft\cornerthick\nsbot}% \hfill \vbox{\moveright\cornerthick\nsbot}% }% \nointerlineskip \line{\ewbot\hfil\ewbot}% }% \egroup % \vbox from first cropmarks clause \fi }% end of \shipout\vbox }% end of group with \indexdummies \advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi } \newinsert\margin \dimen\margin=\maxdimen \def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}} {\catcode`\@ =11 \gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi % marginal hacks, juha@viisa.uucp (Juha Takala) \ifvoid\margin\else % marginal info is present \rlap{\kern\hsize\vbox to\z@{\kern1pt\box\margin \vss}}\fi \dimen@=\dp#1\relax \unvbox#1\relax \ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi \ifr@ggedbottom \kern-\dimen@ \vfil \fi} } % Here are the rules for the cropmarks. Note that they are % offset so that the space between them is truly \outerhsize or \outervsize % (P. A. MacKay, 12 November, 1986) % \def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong} \def\nstop{\vbox {\hrule height\cornerthick depth\cornerlong width\cornerthick}} \def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong} \def\nsbot{\vbox {\hrule height\cornerlong depth\cornerthick width\cornerthick}} % Parse an argument, then pass it to #1. The argument is the rest of % the input line (except we remove a trailing comment). #1 should be a % macro which expects an ordinary undelimited TeX argument. % \def\parsearg{\parseargusing{}} \def\parseargusing#1#2{% \def\argtorun{#2}% \begingroup \obeylines \spaceisspace #1% \parseargline\empty% Insert the \empty token, see \finishparsearg below. } {\obeylines % \gdef\parseargline#1^^M{% \endgroup % End of the group started in \parsearg. \argremovecomment #1\comment\ArgTerm% }% } % First remove any @comment, then any @c comment. \def\argremovecomment#1\comment#2\ArgTerm{\argremovec #1\c\ArgTerm} \def\argremovec#1\c#2\ArgTerm{\argcheckspaces#1\^^M\ArgTerm} % Each occurrence of `\^^M' or `\^^M' is replaced by a single space. % % \argremovec might leave us with trailing space, e.g., % @end itemize @c foo % This space token undergoes the same procedure and is eventually removed % by \finishparsearg. % \def\argcheckspaces#1\^^M{\argcheckspacesX#1\^^M \^^M} \def\argcheckspacesX#1 \^^M{\argcheckspacesY#1\^^M} \def\argcheckspacesY#1\^^M#2\^^M#3\ArgTerm{% \def\temp{#3}% \ifx\temp\empty % Do not use \next, perhaps the caller of \parsearg uses it; reuse \temp: \let\temp\finishparsearg \else \let\temp\argcheckspaces \fi % Put the space token in: \temp#1 #3\ArgTerm } % If a _delimited_ argument is enclosed in braces, they get stripped; so % to get _exactly_ the rest of the line, we had to prevent such situation. % We prepended an \empty token at the very beginning and we expand it now, % just before passing the control to \argtorun. % (Similarly, we have to think about #3 of \argcheckspacesY above: it is % either the null string, or it ends with \^^M---thus there is no danger % that a pair of braces would be stripped. % % But first, we have to remove the trailing space token. % \def\finishparsearg#1 \ArgTerm{\expandafter\argtorun\expandafter{#1}} % \parseargdef\foo{...} % is roughly equivalent to % \def\foo{\parsearg\Xfoo} % \def\Xfoo#1{...} % % Actually, I use \csname\string\foo\endcsname, ie. \\foo, as it is my % favourite TeX trick. --kasal, 16nov03 \def\parseargdef#1{% \expandafter \doparseargdef \csname\string#1\endcsname #1% } \def\doparseargdef#1#2{% \def#2{\parsearg#1}% \def#1##1% } % Several utility definitions with active space: { \obeyspaces \gdef\obeyedspace{ } % Make each space character in the input produce a normal interword % space in the output. Don't allow a line break at this space, as this % is used only in environments like @example, where each line of input % should produce a line of output anyway. % \gdef\sepspaces{\obeyspaces\let =\tie} % If an index command is used in an @example environment, any spaces % therein should become regular spaces in the raw index file, not the % expansion of \tie (\leavevmode \penalty \@M \ ). \gdef\unsepspaces{\let =\space} } \def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next} % Define the framework for environments in texinfo.tex. It's used like this: % % \envdef\foo{...} % \def\Efoo{...} % % It's the responsibility of \envdef to insert \begingroup before the % actual body; @end closes the group after calling \Efoo. \envdef also % defines \thisenv, so the current environment is known; @end checks % whether the environment name matches. The \checkenv macro can also be % used to check whether the current environment is the one expected. % % Non-false conditionals (@iftex, @ifset) don't fit into this, so they % are not treated as environments; they don't open a group. (The % implementation of @end takes care not to call \endgroup in this % special case.) % At run-time, environments start with this: \def\startenvironment#1{\begingroup\def\thisenv{#1}} % initialize \let\thisenv\empty % ... but they get defined via ``\envdef\foo{...}'': \long\def\envdef#1#2{\def#1{\startenvironment#1#2}} \def\envparseargdef#1#2{\parseargdef#1{\startenvironment#1#2}} % Check whether we're in the right environment: \def\checkenv#1{% \def\temp{#1}% \ifx\thisenv\temp \else \badenverr \fi } % Environment mismatch, #1 expected: \def\badenverr{% \errhelp = \EMsimple \errmessage{This command can appear only \inenvironment\temp, not \inenvironment\thisenv}% } \def\inenvironment#1{% \ifx#1\empty outside of any environment% \else in environment \expandafter\string#1% \fi } % @end foo executes the definition of \Efoo. % But first, it executes a specialized version of \checkenv % \parseargdef\end{% \if 1\csname iscond.#1\endcsname \else % The general wording of \badenverr may not be ideal. \expandafter\checkenv\csname#1\endcsname \csname E#1\endcsname \endgroup \fi } \newhelp\EMsimple{Press RETURN to continue.} % Be sure we're in horizontal mode when doing a tie, since we make space % equivalent to this in @example-like environments. Otherwise, a space % at the beginning of a line will start with \penalty -- and % since \penalty is valid in vertical mode, we'd end up putting the % penalty on the vertical list instead of in the new paragraph. {\catcode`@ = 11 % Avoid using \@M directly, because that causes trouble % if the definition is written into an index file. \global\let\tiepenalty = \@M \gdef\tie{\leavevmode\penalty\tiepenalty\ } } % @: forces normal size whitespace following. \def\:{\spacefactor=1000 } % @* forces a line break. \def\*{\hfil\break\hbox{}\ignorespaces} % @/ allows a line break. \let\/=\allowbreak % @. is an end-of-sentence period. \def\.{.\spacefactor=\endofsentencespacefactor\space} % @! is an end-of-sentence bang. \def\!{!\spacefactor=\endofsentencespacefactor\space} % @? is an end-of-sentence query. \def\?{?\spacefactor=\endofsentencespacefactor\space} % @frenchspacing on|off says whether to put extra space after punctuation. % \def\onword{on} \def\offword{off} % \parseargdef\frenchspacing{% \def\temp{#1}% \ifx\temp\onword \plainfrenchspacing \else\ifx\temp\offword \plainnonfrenchspacing \else \errhelp = \EMsimple \errmessage{Unknown @frenchspacing option `\temp', must be on|off}% \fi\fi } % @w prevents a word break. Without the \leavevmode, @w at the % beginning of a paragraph, when TeX is still in vertical mode, would % produce a whole line of output instead of starting the paragraph. \def\w#1{\leavevmode\hbox{#1}} % @group ... @end group forces ... to be all on one page, by enclosing % it in a TeX vbox. We use \vtop instead of \vbox to construct the box % to keep its height that of a normal line. According to the rules for % \topskip (p.114 of the TeXbook), the glue inserted is % max (\topskip - \ht (first item), 0). If that height is large, % therefore, no glue is inserted, and the space between the headline and % the text is small, which looks bad. % % Another complication is that the group might be very large. This can % cause the glue on the previous page to be unduly stretched, because it % does not have much material. In this case, it's better to add an % explicit \vfill so that the extra space is at the bottom. The % threshold for doing this is if the group is more than \vfilllimit % percent of a page (\vfilllimit can be changed inside of @tex). % \newbox\groupbox \def\vfilllimit{0.7} % \envdef\group{% \ifnum\catcode`\^^M=\active \else \errhelp = \groupinvalidhelp \errmessage{@group invalid in context where filling is enabled}% \fi \startsavinginserts % \setbox\groupbox = \vtop\bgroup % Do @comment since we are called inside an environment such as % @example, where each end-of-line in the input causes an % end-of-line in the output. We don't want the end-of-line after % the `@group' to put extra space in the output. Since @group % should appear on a line by itself (according to the Texinfo % manual), we don't worry about eating any user text. \comment } % % The \vtop produces a box with normal height and large depth; thus, TeX puts % \baselineskip glue before it, and (when the next line of text is done) % \lineskip glue after it. Thus, space below is not quite equal to space % above. But it's pretty close. \def\Egroup{% % To get correct interline space between the last line of the group % and the first line afterwards, we have to propagate \prevdepth. \endgraf % Not \par, as it may have been set to \lisppar. \global\dimen1 = \prevdepth \egroup % End the \vtop. % \dimen0 is the vertical size of the group's box. \dimen0 = \ht\groupbox \advance\dimen0 by \dp\groupbox % \dimen2 is how much space is left on the page (more or less). \dimen2 = \pageheight \advance\dimen2 by -\pagetotal % if the group doesn't fit on the current page, and it's a big big % group, force a page break. \ifdim \dimen0 > \dimen2 \ifdim \pagetotal < \vfilllimit\pageheight \page \fi \fi \box\groupbox \prevdepth = \dimen1 \checkinserts } % % TeX puts in an \escapechar (i.e., `@') at the beginning of the help % message, so this ends up printing `@group can only ...'. % \newhelp\groupinvalidhelp{% group can only be used in environments such as @example,^^J% where each line of input produces a line of output.} % @need space-in-mils % forces a page break if there is not space-in-mils remaining. \newdimen\mil \mil=0.001in \parseargdef\need{% % Ensure vertical mode, so we don't make a big box in the middle of a % paragraph. \par % % If the @need value is less than one line space, it's useless. \dimen0 = #1\mil \dimen2 = \ht\strutbox \advance\dimen2 by \dp\strutbox \ifdim\dimen0 > \dimen2 % % Do a \strut just to make the height of this box be normal, so the % normal leading is inserted relative to the preceding line. % And a page break here is fine. \vtop to #1\mil{\strut\vfil}% % % TeX does not even consider page breaks if a penalty added to the % main vertical list is 10000 or more. But in order to see if the % empty box we just added fits on the page, we must make it consider % page breaks. On the other hand, we don't want to actually break the % page after the empty box. So we use a penalty of 9999. % % There is an extremely small chance that TeX will actually break the % page at this \penalty, if there are no other feasible breakpoints in % sight. (If the user is using lots of big @group commands, which % almost-but-not-quite fill up a page, TeX will have a hard time doing % good page breaking, for example.) However, I could not construct an % example where a page broke at this \penalty; if it happens in a real % document, then we can reconsider our strategy. \penalty9999 % % Back up by the size of the box, whether we did a page break or not. \kern -#1\mil % % Do not allow a page break right after this kern. \nobreak \fi } % @br forces paragraph break (and is undocumented). \let\br = \par % @page forces the start of a new page. % \def\page{\par\vfill\supereject} % @exdent text.... % outputs text on separate line in roman font, starting at standard page margin % This records the amount of indent in the innermost environment. % That's how much \exdent should take out. \newskip\exdentamount % This defn is used inside fill environments such as @defun. \parseargdef\exdent{\hfil\break\hbox{\kern -\exdentamount{\rm#1}}\hfil\break} % This defn is used inside nofill environments such as @example. \parseargdef\nofillexdent{{\advance \leftskip by -\exdentamount \leftline{\hskip\leftskip{\rm#1}}}} % @inmargin{WHICH}{TEXT} puts TEXT in the WHICH margin next to the current % paragraph. For more general purposes, use the \margin insertion % class. WHICH is `l' or `r'. Not documented, written for gawk manual. % \newskip\inmarginspacing \inmarginspacing=1cm \def\strutdepth{\dp\strutbox} % \def\doinmargin#1#2{\strut\vadjust{% \nobreak \kern-\strutdepth \vtop to \strutdepth{% \baselineskip=\strutdepth \vss % if you have multiple lines of stuff to put here, you'll need to % make the vbox yourself of the appropriate size. \ifx#1l% \llap{\ignorespaces #2\hskip\inmarginspacing}% \else \rlap{\hskip\hsize \hskip\inmarginspacing \ignorespaces #2}% \fi \null }% }} \def\inleftmargin{\doinmargin l} \def\inrightmargin{\doinmargin r} % % @inmargin{TEXT [, RIGHT-TEXT]} % (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right; % else use TEXT for both). % \def\inmargin#1{\parseinmargin #1,,\finish} \def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing. \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \def\lefttext{#1}% have both texts \def\righttext{#2}% \else \def\lefttext{#1}% have only one text \def\righttext{#1}% \fi % \ifodd\pageno \def\temp{\inrightmargin\righttext}% odd page -> outside is right margin \else \def\temp{\inleftmargin\lefttext}% \fi \temp } % @| inserts a changebar to the left of the current line. It should % surround any changed text. This approach does *not* work if the % change spans more than two lines of output. To handle that, we would % have adopt a much more difficult approach (putting marks into the main % vertical list for the beginning and end of each change). This command % is not documented, not supported, and doesn't work. % \def\|{% % \vadjust can only be used in horizontal mode. \leavevmode % % Append this vertical mode material after the current line in the output. \vadjust{% % We want to insert a rule with the height and depth of the current % leading; that is exactly what \strutbox is supposed to record. \vskip-\baselineskip % % \vadjust-items are inserted at the left edge of the type. So % the \llap here moves out into the left-hand margin. \llap{% % % For a thicker or thinner bar, change the `1pt'. \vrule height\baselineskip width1pt % % This is the space between the bar and the text. \hskip 12pt }% }% } % @include FILE -- \input text of FILE. % \def\include{\parseargusing\filenamecatcodes\includezzz} \def\includezzz#1{% \pushthisfilestack \def\thisfile{#1}% {% \makevalueexpandable % we want to expand any @value in FILE. \turnoffactive % and allow special characters in the expansion \indexnofonts % Allow `@@' and other weird things in file names. \wlog{texinfo.tex: doing @include of #1^^J}% \edef\temp{\noexpand\input #1 }% % % This trickery is to read FILE outside of a group, in case it makes % definitions, etc. \expandafter }\temp \popthisfilestack } \def\filenamecatcodes{% \catcode`\\=\other \catcode`~=\other \catcode`^=\other \catcode`_=\other \catcode`|=\other \catcode`<=\other \catcode`>=\other \catcode`+=\other \catcode`-=\other \catcode`\`=\other \catcode`\'=\other } \def\pushthisfilestack{% \expandafter\pushthisfilestackX\popthisfilestack\StackTerm } \def\pushthisfilestackX{% \expandafter\pushthisfilestackY\thisfile\StackTerm } \def\pushthisfilestackY #1\StackTerm #2\StackTerm {% \gdef\popthisfilestack{\gdef\thisfile{#1}\gdef\popthisfilestack{#2}}% } \def\popthisfilestack{\errthisfilestackempty} \def\errthisfilestackempty{\errmessage{Internal error: the stack of filenames is empty.}} % \def\thisfile{} % @center line % outputs that line, centered. % \parseargdef\center{% \ifhmode \let\centersub\centerH \else \let\centersub\centerV \fi \centersub{\hfil \ignorespaces#1\unskip \hfil}% \let\centersub\relax % don't let the definition persist, just in case } \def\centerH#1{{% \hfil\break \advance\hsize by -\leftskip \advance\hsize by -\rightskip \line{#1}% \break }} % \newcount\centerpenalty \def\centerV#1{% % The idea here is the same as in \startdefun, \cartouche, etc.: if % @center is the first thing after a section heading, we need to wipe % out the negative parskip inserted by \sectionheading, but still % prevent a page break here. \centerpenalty = \lastpenalty \ifnum\centerpenalty>10000 \vskip\parskip \fi \ifnum\centerpenalty>9999 \penalty\centerpenalty \fi \line{\kern\leftskip #1\kern\rightskip}% } % @sp n outputs n lines of vertical space % \parseargdef\sp{\vskip #1\baselineskip} % @comment ...line which is ignored... % @c is the same as @comment % @ignore ... @end ignore is another way to write a comment % \def\comment{\begingroup \catcode`\^^M=\other% \catcode`\@=\other \catcode`\{=\other \catcode`\}=\other% \commentxxx} {\catcode`\^^M=\other \gdef\commentxxx#1^^M{\endgroup}} % \let\c=\comment % @paragraphindent NCHARS % We'll use ems for NCHARS, close enough. % NCHARS can also be the word `asis' or `none'. % We cannot feasibly implement @paragraphindent asis, though. % \def\asisword{asis} % no translation, these are keywords \def\noneword{none} % \parseargdef\paragraphindent{% \def\temp{#1}% \ifx\temp\asisword \else \ifx\temp\noneword \defaultparindent = 0pt \else \defaultparindent = #1em \fi \fi \parindent = \defaultparindent } % @exampleindent NCHARS % We'll use ems for NCHARS like @paragraphindent. % It seems @exampleindent asis isn't necessary, but % I preserve it to make it similar to @paragraphindent. \parseargdef\exampleindent{% \def\temp{#1}% \ifx\temp\asisword \else \ifx\temp\noneword \lispnarrowing = 0pt \else \lispnarrowing = #1em \fi \fi } % @firstparagraphindent WORD % If WORD is `none', then suppress indentation of the first paragraph % after a section heading. If WORD is `insert', then do indent at such % paragraphs. % % The paragraph indentation is suppressed or not by calling % \suppressfirstparagraphindent, which the sectioning commands do. % We switch the definition of this back and forth according to WORD. % By default, we suppress indentation. % \def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} \def\insertword{insert} % \parseargdef\firstparagraphindent{% \def\temp{#1}% \ifx\temp\noneword \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent \else\ifx\temp\insertword \let\suppressfirstparagraphindent = \relax \else \errhelp = \EMsimple \errmessage{Unknown @firstparagraphindent option `\temp'}% \fi\fi } % Here is how we actually suppress indentation. Redefine \everypar to % \kern backwards by \parindent, and then reset itself to empty. % % We also make \indent itself not actually do anything until the next % paragraph. % \gdef\dosuppressfirstparagraphindent{% \gdef\indent{% \restorefirstparagraphindent \indent }% \gdef\noindent{% \restorefirstparagraphindent \noindent }% \global\everypar = {% \kern -\parindent \restorefirstparagraphindent }% } \gdef\restorefirstparagraphindent{% \global \let \indent = \ptexindent \global \let \noindent = \ptexnoindent \global \everypar = {}% } % @refill is a no-op. \let\refill=\relax % If working on a large document in chapters, it is convenient to % be able to disable indexing, cross-referencing, and contents, for test runs. % This is done with @novalidate (before @setfilename). % \newif\iflinks \linkstrue % by default we want the aux files. \let\novalidate = \linksfalse % @setfilename is done at the beginning of every texinfo file. % So open here the files we need to have open while reading the input. % This makes it possible to make a .fmt file for texinfo. \def\setfilename{% \fixbackslash % Turn off hack to swallow `\input texinfo'. \iflinks \tryauxfile % Open the new aux file. TeX will close it automatically at exit. \immediate\openout\auxfile=\jobname.aux \fi % \openindices needs to do some work in any case. \openindices \let\setfilename=\comment % Ignore extra @setfilename cmds. % % If texinfo.cnf is present on the system, read it. % Useful for site-wide @afourpaper, etc. \openin 1 texinfo.cnf \ifeof 1 \else \input texinfo.cnf \fi \closein 1 % \comment % Ignore the actual filename. } % Called from \setfilename. % \def\openindices{% \newindex{cp}% \newcodeindex{fn}% \newcodeindex{vr}% \newcodeindex{tp}% \newcodeindex{ky}% \newcodeindex{pg}% } % @bye. \outer\def\bye{\pagealignmacro\tracingstats=1\ptexend} \message{pdf,} % adobe `portable' document format \newcount\tempnum \newcount\lnkcount \newtoks\filename \newcount\filenamelength \newcount\pgn \newtoks\toksA \newtoks\toksB \newtoks\toksC \newtoks\toksD \newbox\boxA \newcount\countA \newif\ifpdf \newif\ifpdfmakepagedest % when pdftex is run in dvi mode, \pdfoutput is defined (so \pdfoutput=1 % can be set). So we test for \relax and 0 as well as being undefined. \ifx\pdfoutput\thisisundefined \else \ifx\pdfoutput\relax \else \ifcase\pdfoutput \else \pdftrue \fi \fi \fi % PDF uses PostScript string constants for the names of xref targets, % for display in the outlines, and in other places. Thus, we have to % double any backslashes. Otherwise, a name like "\node" will be % interpreted as a newline (\n), followed by o, d, e. Not good. % % See http://www.ntg.nl/pipermail/ntg-pdftex/2004-July/000654.html and % related messages. The final outcome is that it is up to the TeX user % to double the backslashes and otherwise make the string valid, so % that's what we do. pdftex 1.30.0 (ca.2005) introduced a primitive to % do this reliably, so we use it. % #1 is a control sequence in which to do the replacements, % which we \xdef. \def\txiescapepdf#1{% \ifx\pdfescapestring\relax % No primitive available; should we give a warning or log? % Many times it won't matter. \else % The expandable \pdfescapestring primitive escapes parentheses, % backslashes, and other special chars. \xdef#1{\pdfescapestring{#1}}% \fi } \newhelp\nopdfimagehelp{Texinfo supports .png, .jpg, .jpeg, and .pdf images with PDF output, and none of those formats could be found. (.eps cannot be supported due to the design of the PDF format; use regular TeX (DVI output) for that.)} \ifpdf % % Color manipulation macros based on pdfcolor.tex, % except using rgb instead of cmyk; the latter is said to render as a % very dark gray on-screen and a very dark halftone in print, instead % of actual black. \def\rgbDarkRed{0.50 0.09 0.12} \def\rgbBlack{0 0 0} % % k sets the color for filling (usual text, etc.); % K sets the color for stroking (thin rules, e.g., normal _'s). \def\pdfsetcolor#1{\pdfliteral{#1 rg #1 RG}} % % Set color, and create a mark which defines \thiscolor accordingly, % so that \makeheadline knows which color to restore. \def\setcolor#1{% \xdef\lastcolordefs{\gdef\noexpand\thiscolor{#1}}% \domark \pdfsetcolor{#1}% } % \def\maincolor{\rgbBlack} \pdfsetcolor{\maincolor} \edef\thiscolor{\maincolor} \def\lastcolordefs{} % \def\makefootline{% \baselineskip24pt \line{\pdfsetcolor{\maincolor}\the\footline}% } % \def\makeheadline{% \vbox to 0pt{% \vskip-22.5pt \line{% \vbox to8.5pt{}% % Extract \thiscolor definition from the marks. \getcolormarks % Typeset the headline with \maincolor, then restore the color. \pdfsetcolor{\maincolor}\the\headline\pdfsetcolor{\thiscolor}% }% \vss }% \nointerlineskip } % % \pdfcatalog{/PageMode /UseOutlines} % % #1 is image name, #2 width (might be empty/whitespace), #3 height (ditto). \def\dopdfimage#1#2#3{% \def\pdfimagewidth{#2}\setbox0 = \hbox{\ignorespaces #2}% \def\pdfimageheight{#3}\setbox2 = \hbox{\ignorespaces #3}% % % pdftex (and the PDF format) support .pdf, .png, .jpg (among % others). Let's try in that order, PDF first since if % someone has a scalable image, presumably better to use that than a % bitmap. \let\pdfimgext=\empty \begingroup \openin 1 #1.pdf \ifeof 1 \openin 1 #1.PDF \ifeof 1 \openin 1 #1.png \ifeof 1 \openin 1 #1.jpg \ifeof 1 \openin 1 #1.jpeg \ifeof 1 \openin 1 #1.JPG \ifeof 1 \errhelp = \nopdfimagehelp \errmessage{Could not find image file #1 for pdf}% \else \gdef\pdfimgext{JPG}% \fi \else \gdef\pdfimgext{jpeg}% \fi \else \gdef\pdfimgext{jpg}% \fi \else \gdef\pdfimgext{png}% \fi \else \gdef\pdfimgext{PDF}% \fi \else \gdef\pdfimgext{pdf}% \fi \closein 1 \endgroup % % without \immediate, ancient pdftex seg faults when the same image is % included twice. (Version 3.14159-pre-1.0-unofficial-20010704.) \ifnum\pdftexversion < 14 \immediate\pdfimage \else \immediate\pdfximage \fi \ifdim \wd0 >0pt width \pdfimagewidth \fi \ifdim \wd2 >0pt height \pdfimageheight \fi \ifnum\pdftexversion<13 #1.\pdfimgext \else {#1.\pdfimgext}% \fi \ifnum\pdftexversion < 14 \else \pdfrefximage \pdflastximage \fi} % \def\pdfmkdest#1{{% % We have to set dummies so commands such as @code, and characters % such as \, aren't expanded when present in a section title. \indexnofonts \turnoffactive \makevalueexpandable \def\pdfdestname{#1}% \txiescapepdf\pdfdestname \safewhatsit{\pdfdest name{\pdfdestname} xyz}% }} % % used to mark target names; must be expandable. \def\pdfmkpgn#1{#1} % % by default, use a color that is dark enough to print on paper as % nearly black, but still distinguishable for online viewing. \def\urlcolor{\rgbDarkRed} \def\linkcolor{\rgbDarkRed} \def\endlink{\setcolor{\maincolor}\pdfendlink} % % Adding outlines to PDF; macros for calculating structure of outlines % come from Petr Olsak \def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% \else \csname#1\endcsname \fi} \def\advancenumber#1{\tempnum=\expnumber{#1}\relax \advance\tempnum by 1 \expandafter\xdef\csname#1\endcsname{\the\tempnum}} % % #1 is the section text, which is what will be displayed in the % outline by the pdf viewer. #2 is the pdf expression for the number % of subentries (or empty, for subsubsections). #3 is the node text, % which might be empty if this toc entry had no corresponding node. % #4 is the page number % \def\dopdfoutline#1#2#3#4{% % Generate a link to the node text if that exists; else, use the % page number. We could generate a destination for the section % text in the case where a section has no node, but it doesn't % seem worth the trouble, since most documents are normally structured. \edef\pdfoutlinedest{#3}% \ifx\pdfoutlinedest\empty \def\pdfoutlinedest{#4}% \else \txiescapepdf\pdfoutlinedest \fi % % Also escape PDF chars in the display string. \edef\pdfoutlinetext{#1}% \txiescapepdf\pdfoutlinetext % \pdfoutline goto name{\pdfmkpgn{\pdfoutlinedest}}#2{\pdfoutlinetext}% } % \def\pdfmakeoutlines{% \begingroup % Read toc silently, to get counts of subentries for \pdfoutline. \def\partentry##1##2##3##4{}% ignore parts in the outlines \def\numchapentry##1##2##3##4{% \def\thischapnum{##2}% \def\thissecnum{0}% \def\thissubsecnum{0}% }% \def\numsecentry##1##2##3##4{% \advancenumber{chap\thischapnum}% \def\thissecnum{##2}% \def\thissubsecnum{0}% }% \def\numsubsecentry##1##2##3##4{% \advancenumber{sec\thissecnum}% \def\thissubsecnum{##2}% }% \def\numsubsubsecentry##1##2##3##4{% \advancenumber{subsec\thissubsecnum}% }% \def\thischapnum{0}% \def\thissecnum{0}% \def\thissubsecnum{0}% % % use \def rather than \let here because we redefine \chapentry et % al. a second time, below. \def\appentry{\numchapentry}% \def\appsecentry{\numsecentry}% \def\appsubsecentry{\numsubsecentry}% \def\appsubsubsecentry{\numsubsubsecentry}% \def\unnchapentry{\numchapentry}% \def\unnsecentry{\numsecentry}% \def\unnsubsecentry{\numsubsecentry}% \def\unnsubsubsecentry{\numsubsubsecentry}% \readdatafile{toc}% % % Read toc second time, this time actually producing the outlines. % The `-' means take the \expnumber as the absolute number of % subentries, which we calculated on our first read of the .toc above. % % We use the node names as the destinations. \def\numchapentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{chap##2}}{##3}{##4}}% \def\numsecentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{sec##2}}{##3}{##4}}% \def\numsubsecentry##1##2##3##4{% \dopdfoutline{##1}{count-\expnumber{subsec##2}}{##3}{##4}}% \def\numsubsubsecentry##1##2##3##4{% count is always zero \dopdfoutline{##1}{}{##3}{##4}}% % % PDF outlines are displayed using system fonts, instead of % document fonts. Therefore we cannot use special characters, % since the encoding is unknown. For example, the eogonek from % Latin 2 (0xea) gets translated to a | character. Info from % Staszek Wawrykiewicz, 19 Jan 2004 04:09:24 +0100. % % TODO this right, we have to translate 8-bit characters to % their "best" equivalent, based on the @documentencoding. Too % much work for too little return. Just use the ASCII equivalents % we use for the index sort strings. % \indexnofonts \setupdatafile % We can have normal brace characters in the PDF outlines, unlike % Texinfo index files. So set that up. \def\{{\lbracecharliteral}% \def\}{\rbracecharliteral}% \catcode`\\=\active \otherbackslash \input \tocreadfilename \endgroup } {\catcode`[=1 \catcode`]=2 \catcode`{=\other \catcode`}=\other \gdef\lbracecharliteral[{]% \gdef\rbracecharliteral[}]% ] % \def\skipspaces#1{\def\PP{#1}\def\D{|}% \ifx\PP\D\let\nextsp\relax \else\let\nextsp\skipspaces \ifx\p\space\else\addtokens{\filename}{\PP}% \advance\filenamelength by 1 \fi \fi \nextsp} \def\getfilename#1{% \filenamelength=0 % If we don't expand the argument now, \skipspaces will get % snagged on things like "@value{foo}". \edef\temp{#1}% \expandafter\skipspaces\temp|\relax } \ifnum\pdftexversion < 14 \let \startlink \pdfannotlink \else \let \startlink \pdfstartlink \fi % make a live url in pdf output. \def\pdfurl#1{% \begingroup % it seems we really need yet another set of dummies; have not % tried to figure out what each command should do in the context % of @url. for now, just make @/ a no-op, that's the only one % people have actually reported a problem with. % \normalturnoffactive \def\@{@}% \let\/=\empty \makevalueexpandable % do we want to go so far as to use \indexnofonts instead of just % special-casing \var here? \def\var##1{##1}% % \leavevmode\setcolor{\urlcolor}% \startlink attr{/Border [0 0 0]}% user{/Subtype /Link /A << /S /URI /URI (#1) >>}% \endgroup} \def\pdfgettoks#1.{\setbox\boxA=\hbox{\toksA={#1.}\toksB={}\maketoks}} \def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} \def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} \def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} \def\maketoks{% \expandafter\poptoks\the\toksA|ENDTOKS|\relax \ifx\first0\adn0 \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 \else \ifnum0=\countA\else\makelink\fi \ifx\first.\let\next=\done\else \let\next=\maketoks \addtokens{\toksB}{\the\toksD} \ifx\first,\addtokens{\toksB}{\space}\fi \fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi \next} \def\makelink{\addtokens{\toksB}% {\noexpand\pdflink{\the\toksC}}\toksC={}\global\countA=0} \def\pdflink#1{% \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{#1}} \setcolor{\linkcolor}#1\endlink} \def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} \else % non-pdf mode \let\pdfmkdest = \gobble \let\pdfurl = \gobble \let\endlink = \relax \let\setcolor = \gobble \let\pdfsetcolor = \gobble \let\pdfmakeoutlines = \relax \fi % \ifx\pdfoutput \message{fonts,} % Change the current font style to #1, remembering it in \curfontstyle. % For now, we do not accumulate font styles: @b{@i{foo}} prints foo in % italics, not bold italics. % \def\setfontstyle#1{% \def\curfontstyle{#1}% not as a control sequence, because we are \edef'd. \csname ten#1\endcsname % change the current font } % Select #1 fonts with the current style. % \def\selectfonts#1{\csname #1fonts\endcsname \csname\curfontstyle\endcsname} \def\rm{\fam=0 \setfontstyle{rm}} \def\it{\fam=\itfam \setfontstyle{it}} \def\sl{\fam=\slfam \setfontstyle{sl}} \def\bf{\fam=\bffam \setfontstyle{bf}}\def\bfstylename{bf} \def\tt{\fam=\ttfam \setfontstyle{tt}} % Unfortunately, we have to override this for titles and the like, since % in those cases "rm" is bold. Sigh. \def\rmisbold{\rm\def\curfontstyle{bf}} % Texinfo sort of supports the sans serif font style, which plain TeX does not. % So we set up a \sf. \newfam\sffam \def\sf{\fam=\sffam \setfontstyle{sf}} \let\li = \sf % Sometimes we call it \li, not \sf. % We don't need math for this font style. \def\ttsl{\setfontstyle{ttsl}} % Default leading. \newdimen\textleading \textleading = 13.2pt % Set the baselineskip to #1, and the lineskip and strut size % correspondingly. There is no deep meaning behind these magic numbers % used as factors; they just match (closely enough) what Knuth defined. % \def\lineskipfactor{.08333} \def\strutheightpercent{.70833} \def\strutdepthpercent {.29167} % % can get a sort of poor man's double spacing by redefining this. \def\baselinefactor{1} % \def\setleading#1{% \dimen0 = #1\relax \normalbaselineskip = \baselinefactor\dimen0 \normallineskip = \lineskipfactor\normalbaselineskip \normalbaselines \setbox\strutbox =\hbox{% \vrule width0pt height\strutheightpercent\baselineskip depth \strutdepthpercent \baselineskip }% } % PDF CMaps. See also LaTeX's t1.cmap. % % do nothing with this by default. \expandafter\let\csname cmapOT1\endcsname\gobble \expandafter\let\csname cmapOT1IT\endcsname\gobble \expandafter\let\csname cmapOT1TT\endcsname\gobble % if we are producing pdf, and we have \pdffontattr, then define cmaps. % (\pdffontattr was introduced many years ago, but people still run % older pdftex's; it's easy to conditionalize, so we do.) \ifpdf \ifx\pdffontattr\thisisundefined \else \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1-0) %%Title: (TeX-OT1-0 TeX OT1 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1) /Supplement 0 >> def /CMapName /TeX-OT1-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 8 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <23> <26> <0023> <28> <3B> <0028> <3F> <5B> <003F> <5D> <5E> <005D> <61> <7A> <0061> <7B> <7C> <2013> endbfrange 40 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <00660066> <0C> <00660069> <0D> <0066006C> <0E> <006600660069> <0F> <00660066006C> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <21> <0021> <22> <201D> <27> <2019> <3C> <00A1> <3D> <003D> <3E> <00BF> <5C> <201C> <5F> <02D9> <60> <2018> <7D> <02DD> <7E> <007E> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% % % \cmapOT1IT \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1IT-0) %%Title: (TeX-OT1IT-0 TeX OT1IT 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1IT) /Supplement 0 >> def /CMapName /TeX-OT1IT-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 8 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <25> <26> <0025> <28> <3B> <0028> <3F> <5B> <003F> <5D> <5E> <005D> <61> <7A> <0061> <7B> <7C> <2013> endbfrange 42 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <00660066> <0C> <00660069> <0D> <0066006C> <0E> <006600660069> <0F> <00660066006C> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <21> <0021> <22> <201D> <23> <0023> <24> <00A3> <27> <2019> <3C> <00A1> <3D> <003D> <3E> <00BF> <5C> <201C> <5F> <02D9> <60> <2018> <7D> <02DD> <7E> <007E> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1IT\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% % % \cmapOT1TT \begingroup \catcode`\^^M=\active \def^^M{^^J}% Output line endings as the ^^J char. \catcode`\%=12 \immediate\pdfobj stream {%!PS-Adobe-3.0 Resource-CMap %%DocumentNeededResources: ProcSet (CIDInit) %%IncludeResource: ProcSet (CIDInit) %%BeginResource: CMap (TeX-OT1TT-0) %%Title: (TeX-OT1TT-0 TeX OT1TT 0) %%Version: 1.000 %%EndComments /CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (TeX) /Ordering (OT1TT) /Supplement 0 >> def /CMapName /TeX-OT1TT-0 def /CMapType 2 def 1 begincodespacerange <00> <7F> endcodespacerange 5 beginbfrange <00> <01> <0393> <09> <0A> <03A8> <21> <26> <0021> <28> <5F> <0028> <61> <7E> <0061> endbfrange 32 beginbfchar <02> <0398> <03> <039B> <04> <039E> <05> <03A0> <06> <03A3> <07> <03D2> <08> <03A6> <0B> <2191> <0C> <2193> <0D> <0027> <0E> <00A1> <0F> <00BF> <10> <0131> <11> <0237> <12> <0060> <13> <00B4> <14> <02C7> <15> <02D8> <16> <00AF> <17> <02DA> <18> <00B8> <19> <00DF> <1A> <00E6> <1B> <0153> <1C> <00F8> <1D> <00C6> <1E> <0152> <1F> <00D8> <20> <2423> <27> <2019> <60> <2018> <7F> <00A8> endbfchar endcmap CMapName currentdict /CMap defineresource pop end end %%EndResource %%EOF }\endgroup \expandafter\edef\csname cmapOT1TT\endcsname#1{% \pdffontattr#1{/ToUnicode \the\pdflastobj\space 0 R}% }% \fi\fi % Set the font macro #1 to the font named #2, adding on the % specified font prefix (normally `cm'). % #3 is the font's design size, #4 is a scale factor, #5 is the CMap % encoding (currently only OT1, OT1IT and OT1TT are allowed, pass % empty to omit). \def\setfont#1#2#3#4#5{% \font#1=\fontprefix#2#3 scaled #4 \csname cmap#5\endcsname#1% } % This is what gets called when #5 of \setfont is empty. \let\cmap\gobble % emacs-page end of cmaps % Use cm as the default font prefix. % To specify the font prefix, you must define \fontprefix % before you read in texinfo.tex. \ifx\fontprefix\thisisundefined \def\fontprefix{cm} \fi % Support font families that don't use the same naming scheme as CM. \def\rmshape{r} \def\rmbshape{bx} %where the normal face is bold \def\bfshape{b} \def\bxshape{bx} \def\ttshape{tt} \def\ttbshape{tt} \def\ttslshape{sltt} \def\itshape{ti} \def\itbshape{bxti} \def\slshape{sl} \def\slbshape{bxsl} \def\sfshape{ss} \def\sfbshape{ss} \def\scshape{csc} \def\scbshape{csc} % Definitions for a main text size of 11pt. This is the default in % Texinfo. % \def\definetextfontsizexi{% % Text fonts (11.2pt, magstep1). \def\textnominalsize{11pt} \edef\mainmagstep{\magstephalf} \setfont\textrm\rmshape{10}{\mainmagstep}{OT1} \setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} \setfont\textbf\bfshape{10}{\mainmagstep}{OT1} \setfont\textit\itshape{10}{\mainmagstep}{OT1IT} \setfont\textsl\slshape{10}{\mainmagstep}{OT1} \setfont\textsf\sfshape{10}{\mainmagstep}{OT1} \setfont\textsc\scshape{10}{\mainmagstep}{OT1} \setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} \font\texti=cmmi10 scaled \mainmagstep \font\textsy=cmsy10 scaled \mainmagstep \def\textecsize{1095} % A few fonts for @defun names and args. \setfont\defbf\bfshape{10}{\magstep1}{OT1} \setfont\deftt\ttshape{10}{\magstep1}{OT1TT} \setfont\defttsl\ttslshape{10}{\magstep1}{OT1TT} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} % Fonts for indices, footnotes, small examples (9pt). \def\smallnominalsize{9pt} \setfont\smallrm\rmshape{9}{1000}{OT1} \setfont\smalltt\ttshape{9}{1000}{OT1TT} \setfont\smallbf\bfshape{10}{900}{OT1} \setfont\smallit\itshape{9}{1000}{OT1IT} \setfont\smallsl\slshape{9}{1000}{OT1} \setfont\smallsf\sfshape{9}{1000}{OT1} \setfont\smallsc\scshape{10}{900}{OT1} \setfont\smallttsl\ttslshape{10}{900}{OT1TT} \font\smalli=cmmi9 \font\smallsy=cmsy9 \def\smallecsize{0900} % Fonts for small examples (8pt). \def\smallernominalsize{8pt} \setfont\smallerrm\rmshape{8}{1000}{OT1} \setfont\smallertt\ttshape{8}{1000}{OT1TT} \setfont\smallerbf\bfshape{10}{800}{OT1} \setfont\smallerit\itshape{8}{1000}{OT1IT} \setfont\smallersl\slshape{8}{1000}{OT1} \setfont\smallersf\sfshape{8}{1000}{OT1} \setfont\smallersc\scshape{10}{800}{OT1} \setfont\smallerttsl\ttslshape{10}{800}{OT1TT} \font\smalleri=cmmi8 \font\smallersy=cmsy8 \def\smallerecsize{0800} % Fonts for title page (20.4pt): \def\titlenominalsize{20pt} \setfont\titlerm\rmbshape{12}{\magstep3}{OT1} \setfont\titleit\itbshape{10}{\magstep4}{OT1IT} \setfont\titlesl\slbshape{10}{\magstep4}{OT1} \setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} \setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} \setfont\titlesf\sfbshape{17}{\magstep1}{OT1} \let\titlebf=\titlerm \setfont\titlesc\scbshape{10}{\magstep4}{OT1} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 \def\titleecsize{2074} % Chapter (and unnumbered) fonts (17.28pt). \def\chapnominalsize{17pt} \setfont\chaprm\rmbshape{12}{\magstep2}{OT1} \setfont\chapit\itbshape{10}{\magstep3}{OT1IT} \setfont\chapsl\slbshape{10}{\magstep3}{OT1} \setfont\chaptt\ttbshape{12}{\magstep2}{OT1TT} \setfont\chapttsl\ttslshape{10}{\magstep3}{OT1TT} \setfont\chapsf\sfbshape{17}{1000}{OT1} \let\chapbf=\chaprm \setfont\chapsc\scbshape{10}{\magstep3}{OT1} \font\chapi=cmmi12 scaled \magstep2 \font\chapsy=cmsy10 scaled \magstep3 \def\chapecsize{1728} % Section fonts (14.4pt). \def\secnominalsize{14pt} \setfont\secrm\rmbshape{12}{\magstep1}{OT1} \setfont\secit\itbshape{10}{\magstep2}{OT1IT} \setfont\secsl\slbshape{10}{\magstep2}{OT1} \setfont\sectt\ttbshape{12}{\magstep1}{OT1TT} \setfont\secttsl\ttslshape{10}{\magstep2}{OT1TT} \setfont\secsf\sfbshape{12}{\magstep1}{OT1} \let\secbf\secrm \setfont\secsc\scbshape{10}{\magstep2}{OT1} \font\seci=cmmi12 scaled \magstep1 \font\secsy=cmsy10 scaled \magstep2 \def\sececsize{1440} % Subsection fonts (13.15pt). \def\ssecnominalsize{13pt} \setfont\ssecrm\rmbshape{12}{\magstephalf}{OT1} \setfont\ssecit\itbshape{10}{1315}{OT1IT} \setfont\ssecsl\slbshape{10}{1315}{OT1} \setfont\ssectt\ttbshape{12}{\magstephalf}{OT1TT} \setfont\ssecttsl\ttslshape{10}{1315}{OT1TT} \setfont\ssecsf\sfbshape{12}{\magstephalf}{OT1} \let\ssecbf\ssecrm \setfont\ssecsc\scbshape{10}{1315}{OT1} \font\sseci=cmmi12 scaled \magstephalf \font\ssecsy=cmsy10 scaled 1315 \def\ssececsize{1200} % Reduced fonts for @acro in text (10pt). \def\reducednominalsize{10pt} \setfont\reducedrm\rmshape{10}{1000}{OT1} \setfont\reducedtt\ttshape{10}{1000}{OT1TT} \setfont\reducedbf\bfshape{10}{1000}{OT1} \setfont\reducedit\itshape{10}{1000}{OT1IT} \setfont\reducedsl\slshape{10}{1000}{OT1} \setfont\reducedsf\sfshape{10}{1000}{OT1} \setfont\reducedsc\scshape{10}{1000}{OT1} \setfont\reducedttsl\ttslshape{10}{1000}{OT1TT} \font\reducedi=cmmi10 \font\reducedsy=cmsy10 \def\reducedecsize{1000} \textleading = 13.2pt % line spacing for 11pt CM \textfonts % reset the current fonts \rm } % end of 11pt text font size definitions % Definitions to make the main text be 10pt Computer Modern, with % section, chapter, etc., sizes following suit. This is for the GNU % Press printing of the Emacs 22 manual. Maybe other manuals in the % future. Used with @smallbook, which sets the leading to 12pt. % \def\definetextfontsizex{% % Text fonts (10pt). \def\textnominalsize{10pt} \edef\mainmagstep{1000} \setfont\textrm\rmshape{10}{\mainmagstep}{OT1} \setfont\texttt\ttshape{10}{\mainmagstep}{OT1TT} \setfont\textbf\bfshape{10}{\mainmagstep}{OT1} \setfont\textit\itshape{10}{\mainmagstep}{OT1IT} \setfont\textsl\slshape{10}{\mainmagstep}{OT1} \setfont\textsf\sfshape{10}{\mainmagstep}{OT1} \setfont\textsc\scshape{10}{\mainmagstep}{OT1} \setfont\textttsl\ttslshape{10}{\mainmagstep}{OT1TT} \font\texti=cmmi10 scaled \mainmagstep \font\textsy=cmsy10 scaled \mainmagstep \def\textecsize{1000} % A few fonts for @defun names and args. \setfont\defbf\bfshape{10}{\magstephalf}{OT1} \setfont\deftt\ttshape{10}{\magstephalf}{OT1TT} \setfont\defttsl\ttslshape{10}{\magstephalf}{OT1TT} \def\df{\let\tentt=\deftt \let\tenbf = \defbf \let\tenttsl=\defttsl \bf} % Fonts for indices, footnotes, small examples (9pt). \def\smallnominalsize{9pt} \setfont\smallrm\rmshape{9}{1000}{OT1} \setfont\smalltt\ttshape{9}{1000}{OT1TT} \setfont\smallbf\bfshape{10}{900}{OT1} \setfont\smallit\itshape{9}{1000}{OT1IT} \setfont\smallsl\slshape{9}{1000}{OT1} \setfont\smallsf\sfshape{9}{1000}{OT1} \setfont\smallsc\scshape{10}{900}{OT1} \setfont\smallttsl\ttslshape{10}{900}{OT1TT} \font\smalli=cmmi9 \font\smallsy=cmsy9 \def\smallecsize{0900} % Fonts for small examples (8pt). \def\smallernominalsize{8pt} \setfont\smallerrm\rmshape{8}{1000}{OT1} \setfont\smallertt\ttshape{8}{1000}{OT1TT} \setfont\smallerbf\bfshape{10}{800}{OT1} \setfont\smallerit\itshape{8}{1000}{OT1IT} \setfont\smallersl\slshape{8}{1000}{OT1} \setfont\smallersf\sfshape{8}{1000}{OT1} \setfont\smallersc\scshape{10}{800}{OT1} \setfont\smallerttsl\ttslshape{10}{800}{OT1TT} \font\smalleri=cmmi8 \font\smallersy=cmsy8 \def\smallerecsize{0800} % Fonts for title page (20.4pt): \def\titlenominalsize{20pt} \setfont\titlerm\rmbshape{12}{\magstep3}{OT1} \setfont\titleit\itbshape{10}{\magstep4}{OT1IT} \setfont\titlesl\slbshape{10}{\magstep4}{OT1} \setfont\titlett\ttbshape{12}{\magstep3}{OT1TT} \setfont\titlettsl\ttslshape{10}{\magstep4}{OT1TT} \setfont\titlesf\sfbshape{17}{\magstep1}{OT1} \let\titlebf=\titlerm \setfont\titlesc\scbshape{10}{\magstep4}{OT1} \font\titlei=cmmi12 scaled \magstep3 \font\titlesy=cmsy10 scaled \magstep4 \def\titleecsize{2074} % Chapter fonts (14.4pt). \def\chapnominalsize{14pt} \setfont\chaprm\rmbshape{12}{\magstep1}{OT1} \setfont\chapit\itbshape{10}{\magstep2}{OT1IT} \setfont\chapsl\slbshape{10}{\magstep2}{OT1} \setfont\chaptt\ttbshape{12}{\magstep1}{OT1TT} \setfont\chapttsl\ttslshape{10}{\magstep2}{OT1TT} \setfont\chapsf\sfbshape{12}{\magstep1}{OT1} \let\chapbf\chaprm \setfont\chapsc\scbshape{10}{\magstep2}{OT1} \font\chapi=cmmi12 scaled \magstep1 \font\chapsy=cmsy10 scaled \magstep2 \def\chapecsize{1440} % Section fonts (12pt). \def\secnominalsize{12pt} \setfont\secrm\rmbshape{12}{1000}{OT1} \setfont\secit\itbshape{10}{\magstep1}{OT1IT} \setfont\secsl\slbshape{10}{\magstep1}{OT1} \setfont\sectt\ttbshape{12}{1000}{OT1TT} \setfont\secttsl\ttslshape{10}{\magstep1}{OT1TT} \setfont\secsf\sfbshape{12}{1000}{OT1} \let\secbf\secrm \setfont\secsc\scbshape{10}{\magstep1}{OT1} \font\seci=cmmi12 \font\secsy=cmsy10 scaled \magstep1 \def\sececsize{1200} % Subsection fonts (10pt). \def\ssecnominalsize{10pt} \setfont\ssecrm\rmbshape{10}{1000}{OT1} \setfont\ssecit\itbshape{10}{1000}{OT1IT} \setfont\ssecsl\slbshape{10}{1000}{OT1} \setfont\ssectt\ttbshape{10}{1000}{OT1TT} \setfont\ssecttsl\ttslshape{10}{1000}{OT1TT} \setfont\ssecsf\sfbshape{10}{1000}{OT1} \let\ssecbf\ssecrm \setfont\ssecsc\scbshape{10}{1000}{OT1} \font\sseci=cmmi10 \font\ssecsy=cmsy10 \def\ssececsize{1000} % Reduced fonts for @acro in text (9pt). \def\reducednominalsize{9pt} \setfont\reducedrm\rmshape{9}{1000}{OT1} \setfont\reducedtt\ttshape{9}{1000}{OT1TT} \setfont\reducedbf\bfshape{10}{900}{OT1} \setfont\reducedit\itshape{9}{1000}{OT1IT} \setfont\reducedsl\slshape{9}{1000}{OT1} \setfont\reducedsf\sfshape{9}{1000}{OT1} \setfont\reducedsc\scshape{10}{900}{OT1} \setfont\reducedttsl\ttslshape{10}{900}{OT1TT} \font\reducedi=cmmi9 \font\reducedsy=cmsy9 \def\reducedecsize{0900} \divide\parskip by 2 % reduce space between paragraphs \textleading = 12pt % line spacing for 10pt CM \textfonts % reset the current fonts \rm } % end of 10pt text font size definitions % We provide the user-level command % @fonttextsize 10 % (or 11) to redefine the text font size. pt is assumed. % \def\xiword{11} \def\xword{10} \def\xwordpt{10pt} % \parseargdef\fonttextsize{% \def\textsizearg{#1}% %\wlog{doing @fonttextsize \textsizearg}% % % Set \globaldefs so that documents can use this inside @tex, since % makeinfo 4.8 does not support it, but we need it nonetheless. % \begingroup \globaldefs=1 \ifx\textsizearg\xword \definetextfontsizex \else \ifx\textsizearg\xiword \definetextfontsizexi \else \errhelp=\EMsimple \errmessage{@fonttextsize only supports `10' or `11', not `\textsizearg'} \fi\fi \endgroup } % In order for the font changes to affect most math symbols and letters, % we have to define the \textfont of the standard families. Since % texinfo doesn't allow for producing subscripts and superscripts except % in the main text, we don't bother to reset \scriptfont and % \scriptscriptfont (which would also require loading a lot more fonts). % \def\resetmathfonts{% \textfont0=\tenrm \textfont1=\teni \textfont2=\tensy \textfont\itfam=\tenit \textfont\slfam=\tensl \textfont\bffam=\tenbf \textfont\ttfam=\tentt \textfont\sffam=\tensf } % The font-changing commands redefine the meanings of \tenSTYLE, instead % of just \STYLE. We do this because \STYLE needs to also set the % current \fam for math mode. Our \STYLE (e.g., \rm) commands hardwire % \tenSTYLE to set the current font. % % Each font-changing command also sets the names \lsize (one size lower) % and \lllsize (three sizes lower). These relative commands are used in % the LaTeX logo and acronyms. % % This all needs generalizing, badly. % \def\textfonts{% \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy \let\tenttsl=\textttsl \def\curfontsize{text}% \def\lsize{reduced}\def\lllsize{smaller}% \resetmathfonts \setleading{\textleading}} \def\titlefonts{% \let\tenrm=\titlerm \let\tenit=\titleit \let\tensl=\titlesl \let\tenbf=\titlebf \let\tentt=\titlett \let\smallcaps=\titlesc \let\tensf=\titlesf \let\teni=\titlei \let\tensy=\titlesy \let\tenttsl=\titlettsl \def\curfontsize{title}% \def\lsize{chap}\def\lllsize{subsec}% \resetmathfonts \setleading{27pt}} \def\titlefont#1{{\titlefonts\rmisbold #1}} \def\chapfonts{% \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy \let\tenttsl=\chapttsl \def\curfontsize{chap}% \def\lsize{sec}\def\lllsize{text}% \resetmathfonts \setleading{19pt}} \def\secfonts{% \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\secsc \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy \let\tenttsl=\secttsl \def\curfontsize{sec}% \def\lsize{subsec}\def\lllsize{reduced}% \resetmathfonts \setleading{16pt}} \def\subsecfonts{% \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy \let\tenttsl=\ssecttsl \def\curfontsize{ssec}% \def\lsize{text}\def\lllsize{small}% \resetmathfonts \setleading{15pt}} \let\subsubsecfonts = \subsecfonts \def\reducedfonts{% \let\tenrm=\reducedrm \let\tenit=\reducedit \let\tensl=\reducedsl \let\tenbf=\reducedbf \let\tentt=\reducedtt \let\reducedcaps=\reducedsc \let\tensf=\reducedsf \let\teni=\reducedi \let\tensy=\reducedsy \let\tenttsl=\reducedttsl \def\curfontsize{reduced}% \def\lsize{small}\def\lllsize{smaller}% \resetmathfonts \setleading{10.5pt}} \def\smallfonts{% \let\tenrm=\smallrm \let\tenit=\smallit \let\tensl=\smallsl \let\tenbf=\smallbf \let\tentt=\smalltt \let\smallcaps=\smallsc \let\tensf=\smallsf \let\teni=\smalli \let\tensy=\smallsy \let\tenttsl=\smallttsl \def\curfontsize{small}% \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{10.5pt}} \def\smallerfonts{% \let\tenrm=\smallerrm \let\tenit=\smallerit \let\tensl=\smallersl \let\tenbf=\smallerbf \let\tentt=\smallertt \let\smallcaps=\smallersc \let\tensf=\smallersf \let\teni=\smalleri \let\tensy=\smallersy \let\tenttsl=\smallerttsl \def\curfontsize{smaller}% \def\lsize{smaller}\def\lllsize{smaller}% \resetmathfonts \setleading{9.5pt}} % Fonts for short table of contents. \setfont\shortcontrm\rmshape{12}{1000}{OT1} \setfont\shortcontbf\bfshape{10}{\magstep1}{OT1} % no cmb12 \setfont\shortcontsl\slshape{12}{1000}{OT1} \setfont\shortconttt\ttshape{12}{1000}{OT1TT} % Define these just so they can be easily changed for other fonts. \def\angleleft{$\langle$} \def\angleright{$\rangle$} % Set the fonts to use with the @small... environments. \let\smallexamplefonts = \smallfonts % About \smallexamplefonts. If we use \smallfonts (9pt), @smallexample % can fit this many characters: % 8.5x11=86 smallbook=72 a4=90 a5=69 % If we use \scriptfonts (8pt), then we can fit this many characters: % 8.5x11=90+ smallbook=80 a4=90+ a5=77 % For me, subjectively, the few extra characters that fit aren't worth % the additional smallness of 8pt. So I'm making the default 9pt. % % By the way, for comparison, here's what fits with @example (10pt): % 8.5x11=71 smallbook=60 a4=75 a5=58 % --karl, 24jan03. % Set up the default fonts, so we can use them for creating boxes. % \definetextfontsizexi \message{markup,} % Check if we are currently using a typewriter font. Since all the % Computer Modern typewriter fonts have zero interword stretch (and % shrink), and it is reasonable to expect all typewriter fonts to have % this property, we can check that font parameter. % \def\ifmonospace{\ifdim\fontdimen3\font=0pt } % Markup style infrastructure. \defmarkupstylesetup\INITMACRO will % define and register \INITMACRO to be called on markup style changes. % \INITMACRO can check \currentmarkupstyle for the innermost % style and the set of \ifmarkupSTYLE switches for all styles % currently in effect. \newif\ifmarkupvar \newif\ifmarkupsamp \newif\ifmarkupkey %\newif\ifmarkupfile % @file == @samp. %\newif\ifmarkupoption % @option == @samp. \newif\ifmarkupcode \newif\ifmarkupkbd %\newif\ifmarkupenv % @env == @code. %\newif\ifmarkupcommand % @command == @code. \newif\ifmarkuptex % @tex (and part of @math, for now). \newif\ifmarkupexample \newif\ifmarkupverb \newif\ifmarkupverbatim \let\currentmarkupstyle\empty \def\setupmarkupstyle#1{% \csname markup#1true\endcsname \def\currentmarkupstyle{#1}% \markupstylesetup } \let\markupstylesetup\empty \def\defmarkupstylesetup#1{% \expandafter\def\expandafter\markupstylesetup \expandafter{\markupstylesetup #1}% \def#1% } % Markup style setup for left and right quotes. \defmarkupstylesetup\markupsetuplq{% \expandafter\let\expandafter \temp \csname markupsetuplq\currentmarkupstyle\endcsname \ifx\temp\relax \markupsetuplqdefault \else \temp \fi } \defmarkupstylesetup\markupsetuprq{% \expandafter\let\expandafter \temp \csname markupsetuprq\currentmarkupstyle\endcsname \ifx\temp\relax \markupsetuprqdefault \else \temp \fi } { \catcode`\'=\active \catcode`\`=\active \gdef\markupsetuplqdefault{\let`\lq} \gdef\markupsetuprqdefault{\let'\rq} \gdef\markupsetcodequoteleft{\let`\codequoteleft} \gdef\markupsetcodequoteright{\let'\codequoteright} \gdef\markupsetnoligaturesquoteleft{\let`\noligaturesquoteleft} } \let\markupsetuplqcode \markupsetcodequoteleft \let\markupsetuprqcode \markupsetcodequoteright % \let\markupsetuplqexample \markupsetcodequoteleft \let\markupsetuprqexample \markupsetcodequoteright % \let\markupsetuplqsamp \markupsetcodequoteleft \let\markupsetuprqsamp \markupsetcodequoteright % \let\markupsetuplqverb \markupsetcodequoteleft \let\markupsetuprqverb \markupsetcodequoteright % \let\markupsetuplqverbatim \markupsetcodequoteleft \let\markupsetuprqverbatim \markupsetcodequoteright \let\markupsetuplqkbd \markupsetnoligaturesquoteleft % Allow an option to not use regular directed right quote/apostrophe % (char 0x27), but instead the undirected quote from cmtt (char 0x0d). % The undirected quote is ugly, so don't make it the default, but it % works for pasting with more pdf viewers (at least evince), the % lilypond developers report. xpdf does work with the regular 0x27. % \def\codequoteright{% \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax '% \else \char'15 \fi \else \char'15 \fi } % % and a similar option for the left quote char vs. a grave accent. % Modern fonts display ASCII 0x60 as a grave accent, so some people like % the code environments to do likewise. % \def\codequoteleft{% \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax % [Knuth] pp. 380,381,391 % \relax disables Spanish ligatures ?` and !` of \tt font. \relax`% \else \char'22 \fi \else \char'22 \fi } % Commands to set the quote options. % \parseargdef\codequoteundirected{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxicodequoteundirected\endcsname = t% \else\ifx\temp\offword \expandafter\let\csname SETtxicodequoteundirected\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @codequoteundirected value `\temp', must be on|off}% \fi\fi } % \parseargdef\codequotebacktick{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxicodequotebacktick\endcsname = t% \else\ifx\temp\offword \expandafter\let\csname SETtxicodequotebacktick\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @codequotebacktick value `\temp', must be on|off}% \fi\fi } % [Knuth] pp. 380,381,391, disable Spanish ligatures ?` and !` of \tt font. \def\noligaturesquoteleft{\relax\lq} % Count depth in font-changes, for error checks \newcount\fontdepth \fontdepth=0 % Font commands. % #1 is the font command (\sl or \it), #2 is the text to slant. % If we are in a monospaced environment, however, 1) always use \ttsl, % and 2) do not add an italic correction. \def\dosmartslant#1#2{% \ifusingtt {{\ttsl #2}\let\next=\relax}% {\def\next{{#1#2}\futurelet\next\smartitaliccorrection}}% \next } \def\smartslanted{\dosmartslant\sl} \def\smartitalic{\dosmartslant\it} % Output an italic correction unless \next (presumed to be the following % character) is such as not to need one. \def\smartitaliccorrection{% \ifx\next,% \else\ifx\next-% \else\ifx\next.% \else\ptexslash \fi\fi\fi \aftersmartic } % like \smartslanted except unconditionally uses \ttsl, and no ic. % @var is set to this for defun arguments. \def\ttslanted#1{{\ttsl #1}} % @cite is like \smartslanted except unconditionally use \sl. We never want % ttsl for book titles, do we? \def\cite#1{{\sl #1}\futurelet\next\smartitaliccorrection} \def\aftersmartic{} \def\var#1{% \let\saveaftersmartic = \aftersmartic \def\aftersmartic{\null\let\aftersmartic=\saveaftersmartic}% \smartslanted{#1}% } \let\i=\smartitalic \let\slanted=\smartslanted \let\dfn=\smartslanted \let\emph=\smartitalic % Explicit font changes: @r, @sc, undocumented @ii. \def\r#1{{\rm #1}} % roman font \def\sc#1{{\smallcaps#1}} % smallcaps font \def\ii#1{{\it #1}} % italic font % @b, explicit bold. Also @strong. \def\b#1{{\bf #1}} \let\strong=\b % @sansserif, explicit sans. \def\sansserif#1{{\sf #1}} % We can't just use \exhyphenpenalty, because that only has effect at % the end of a paragraph. Restore normal hyphenation at the end of the % group within which \nohyphenation is presumably called. % \def\nohyphenation{\hyphenchar\font = -1 \aftergroup\restorehyphenation} \def\restorehyphenation{\hyphenchar\font = `- } % Set sfcode to normal for the chars that usually have another value. % Can't use plain's \frenchspacing because it uses the `\x notation, and % sometimes \x has an active definition that messes things up. % \catcode`@=11 \def\plainfrenchspacing{% \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m \sfcode\colonChar=\@m \sfcode\semiChar =\@m \sfcode\commaChar =\@m \def\endofsentencespacefactor{1000}% for @. and friends } \def\plainnonfrenchspacing{% \sfcode`\.3000\sfcode`\?3000\sfcode`\!3000 \sfcode`\:2000\sfcode`\;1500\sfcode`\,1250 \def\endofsentencespacefactor{3000}% for @. and friends } \catcode`@=\other \def\endofsentencespacefactor{3000}% default % @t, explicit typewriter. \def\t#1{% {\tt \rawbackslash \plainfrenchspacing #1}% \null } % @samp. \def\samp#1{{\setupmarkupstyle{samp}\lq\tclose{#1}\rq\null}} % definition of @key that produces a lozenge. Doesn't adjust to text size. %\setfont\keyrm\rmshape{8}{1000}{OT1} %\font\keysy=cmsy9 %\def\key#1{{\keyrm\textfont2=\keysy \leavevmode\hbox{% % \raise0.4pt\hbox{\angleleft}\kern-.08em\vtop{% % \vbox{\hrule\kern-0.4pt % \hbox{\raise0.4pt\hbox{\vphantom{\angleleft}}#1}}% % \kern-0.4pt\hrule}% % \kern-.06em\raise0.4pt\hbox{\angleright}}}} % definition of @key with no lozenge. If the current font is already % monospace, don't change it; that way, we respect @kbdinputstyle. But % if it isn't monospace, then use \tt. % \def\key#1{{\setupmarkupstyle{key}% \nohyphenation \ifmonospace\else\tt\fi #1}\null} % ctrl is no longer a Texinfo command. \def\ctrl #1{{\tt \rawbackslash \hat}#1} % @file, @option are the same as @samp. \let\file=\samp \let\option=\samp % @code is a modification of @t, % which makes spaces the same size as normal in the surrounding text. \def\tclose#1{% {% % Change normal interword space to be same as for the current font. \spaceskip = \fontdimen2\font % % Switch to typewriter. \tt % % But `\ ' produces the large typewriter interword space. \def\ {{\spaceskip = 0pt{} }}% % % Turn off hyphenation. \nohyphenation % \rawbackslash \plainfrenchspacing #1% }% \null % reset spacefactor to 1000 } % We *must* turn on hyphenation at `-' and `_' in @code. % Otherwise, it is too hard to avoid overfull hboxes % in the Emacs manual, the Library manual, etc. % Unfortunately, TeX uses one parameter (\hyphenchar) to control % both hyphenation at - and hyphenation within words. % We must therefore turn them both off (\tclose does that) % and arrange explicitly to hyphenate at a dash. % -- rms. { \catcode`\-=\active \catcode`\_=\active \catcode`\'=\active \catcode`\`=\active \global\let'=\rq \global\let`=\lq % default definitions % \global\def\code{\begingroup \setupmarkupstyle{code}% % The following should really be moved into \setupmarkupstyle handlers. \catcode\dashChar=\active \catcode\underChar=\active \ifallowcodebreaks \let-\codedash \let_\codeunder \else \let-\realdash \let_\realunder \fi \codex } } \def\codex #1{\tclose{#1}\endgroup} \def\realdash{-} \def\codedash{-\discretionary{}{}{}} \def\codeunder{% % this is all so @math{@code{var_name}+1} can work. In math mode, _ % is "active" (mathcode"8000) and \normalunderscore (or \char95, etc.) % will therefore expand the active definition of _, which is us % (inside @code that is), therefore an endless loop. \ifusingtt{\ifmmode \mathchar"075F % class 0=ordinary, family 7=ttfam, pos 0x5F=_. \else\normalunderscore \fi \discretionary{}{}{}}% {\_}% } % An additional complication: the above will allow breaks after, e.g., % each of the four underscores in __typeof__. This is undesirable in % some manuals, especially if they don't have long identifiers in % general. @allowcodebreaks provides a way to control this. % \newif\ifallowcodebreaks \allowcodebreakstrue \def\keywordtrue{true} \def\keywordfalse{false} \parseargdef\allowcodebreaks{% \def\txiarg{#1}% \ifx\txiarg\keywordtrue \allowcodebreakstrue \else\ifx\txiarg\keywordfalse \allowcodebreaksfalse \else \errhelp = \EMsimple \errmessage{Unknown @allowcodebreaks option `\txiarg', must be true|false}% \fi\fi } % @uref (abbreviation for `urlref') takes an optional (comma-separated) % second argument specifying the text to display and an optional third % arg as text to display instead of (rather than in addition to) the url % itself. First (mandatory) arg is the url. % (This \urefnobreak definition isn't used now, leaving it for a while % for comparison.) \def\urefnobreak#1{\dourefnobreak #1,,,\finish} \def\dourefnobreak#1,#2,#3,#4\finish{\begingroup \unsepspaces \pdfurl{#1}% \setbox0 = \hbox{\ignorespaces #3}% \ifdim\wd0 > 0pt \unhbox0 % third arg given, show only that \else \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \ifpdf \unhbox0 % PDF: 2nd arg given, show only it \else \unhbox0\ (\code{#1})% DVI: 2nd arg given, show both it and url \fi \else \code{#1}% only url given, so show it \fi \fi \endlink \endgroup} % This \urefbreak definition is the active one. \def\urefbreak{\begingroup \urefcatcodes \dourefbreak} \let\uref=\urefbreak \def\dourefbreak#1{\urefbreakfinish #1,,,\finish} \def\urefbreakfinish#1,#2,#3,#4\finish{% doesn't work in @example \unsepspaces \pdfurl{#1}% \setbox0 = \hbox{\ignorespaces #3}% \ifdim\wd0 > 0pt \unhbox0 % third arg given, show only that \else \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \ifpdf \unhbox0 % PDF: 2nd arg given, show only it \else \unhbox0\ (\urefcode{#1})% DVI: 2nd arg given, show both it and url \fi \else \urefcode{#1}% only url given, so show it \fi \fi \endlink \endgroup} % Allow line breaks around only a few characters (only). \def\urefcatcodes{% \catcode\ampChar=\active \catcode\dotChar=\active \catcode\hashChar=\active \catcode\questChar=\active \catcode\slashChar=\active } { \urefcatcodes % \global\def\urefcode{\begingroup \setupmarkupstyle{code}% \urefcatcodes \let&\urefcodeamp \let.\urefcodedot \let#\urefcodehash \let?\urefcodequest \let/\urefcodeslash \codex } % % By default, they are just regular characters. \global\def&{\normalamp} \global\def.{\normaldot} \global\def#{\normalhash} \global\def?{\normalquest} \global\def/{\normalslash} } % we put a little stretch before and after the breakable chars, to help % line breaking of long url's. The unequal skips make look better in % cmtt at least, especially for dots. \def\urefprestretch{\urefprebreak \hskip0pt plus.13em } \def\urefpoststretch{\urefpostbreak \hskip0pt plus.1em } % \def\urefcodeamp{\urefprestretch \&\urefpoststretch} \def\urefcodedot{\urefprestretch .\urefpoststretch} \def\urefcodehash{\urefprestretch \#\urefpoststretch} \def\urefcodequest{\urefprestretch ?\urefpoststretch} \def\urefcodeslash{\futurelet\next\urefcodeslashfinish} { \catcode`\/=\active \global\def\urefcodeslashfinish{% \urefprestretch \slashChar % Allow line break only after the final / in a sequence of % slashes, to avoid line break between the slashes in http://. \ifx\next/\else \urefpoststretch \fi } } % One more complication: by default we'll break after the special % characters, but some people like to break before the special chars, so % allow that. Also allow no breaking at all, for manual control. % \parseargdef\urefbreakstyle{% \def\txiarg{#1}% \ifx\txiarg\wordnone \def\urefprebreak{\nobreak}\def\urefpostbreak{\nobreak} \else\ifx\txiarg\wordbefore \def\urefprebreak{\allowbreak}\def\urefpostbreak{\nobreak} \else\ifx\txiarg\wordafter \def\urefprebreak{\nobreak}\def\urefpostbreak{\allowbreak} \else \errhelp = \EMsimple \errmessage{Unknown @urefbreakstyle setting `\txiarg'}% \fi\fi\fi } \def\wordafter{after} \def\wordbefore{before} \def\wordnone{none} \urefbreakstyle after % @url synonym for @uref, since that's how everyone uses it. % \let\url=\uref % rms does not like angle brackets --karl, 17may97. % So now @email is just like @uref, unless we are pdf. % %\def\email#1{\angleleft{\tt #1}\angleright} \ifpdf \def\email#1{\doemail#1,,\finish} \def\doemail#1,#2,#3\finish{\begingroup \unsepspaces \pdfurl{mailto:#1}% \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0>0pt\unhbox0\else\code{#1}\fi \endlink \endgroup} \else \let\email=\uref \fi % @kbd is like @code, except that if the argument is just one @key command, % then @kbd has no effect. \def\kbd#1{{\setupmarkupstyle{kbd}\def\look{#1}\expandafter\kbdfoo\look??\par}} % @kbdinputstyle -- arg is `distinct' (@kbd uses slanted tty font always), % `example' (@kbd uses ttsl only inside of @example and friends), % or `code' (@kbd uses normal tty font always). \parseargdef\kbdinputstyle{% \def\txiarg{#1}% \ifx\txiarg\worddistinct \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\ttsl}% \else\ifx\txiarg\wordexample \gdef\kbdexamplefont{\ttsl}\gdef\kbdfont{\tt}% \else\ifx\txiarg\wordcode \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% \else \errhelp = \EMsimple \errmessage{Unknown @kbdinputstyle setting `\txiarg'}% \fi\fi\fi } \def\worddistinct{distinct} \def\wordexample{example} \def\wordcode{code} % Default is `distinct'. \kbdinputstyle distinct \def\xkey{\key} \def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}% \ifx\one\xkey\ifx\threex\three \key{#2}% \else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi \else{\tclose{\kbdfont\setupmarkupstyle{kbd}\look}}\fi} % For @indicateurl, @env, @command quotes seem unnecessary, so use \code. \let\indicateurl=\code \let\env=\code \let\command=\code % @clicksequence{File @click{} Open ...} \def\clicksequence#1{\begingroup #1\endgroup} % @clickstyle @arrow (by default) \parseargdef\clickstyle{\def\click{#1}} \def\click{\arrow} % Typeset a dimension, e.g., `in' or `pt'. The only reason for the % argument is to make the input look right: @dmn{pt} instead of @dmn{}pt. % \def\dmn#1{\thinspace #1} % @l was never documented to mean ``switch to the Lisp font'', % and it is not used as such in any manual I can find. We need it for % Polish suppressed-l. --karl, 22sep96. %\def\l#1{{\li #1}\null} % @acronym for "FBI", "NATO", and the like. % We print this one point size smaller, since it's intended for % all-uppercase. % \def\acronym#1{\doacronym #1,,\finish} \def\doacronym#1,#2,#3\finish{% {\selectfonts\lsize #1}% \def\temp{#2}% \ifx\temp\empty \else \space ({\unsepspaces \ignorespaces \temp \unskip})% \fi \null % reset \spacefactor=1000 } % @abbr for "Comput. J." and the like. % No font change, but don't do end-of-sentence spacing. % \def\abbr#1{\doabbr #1,,\finish} \def\doabbr#1,#2,#3\finish{% {\plainfrenchspacing #1}% \def\temp{#2}% \ifx\temp\empty \else \space ({\unsepspaces \ignorespaces \temp \unskip})% \fi \null % reset \spacefactor=1000 } % @asis just yields its argument. Used with @table, for example. % \def\asis#1{#1} % @math outputs its argument in math mode. % % One complication: _ usually means subscripts, but it could also mean % an actual _ character, as in @math{@var{some_variable} + 1}. So make % _ active, and distinguish by seeing if the current family is \slfam, % which is what @var uses. { \catcode`\_ = \active \gdef\mathunderscore{% \catcode`\_=\active \def_{\ifnum\fam=\slfam \_\else\sb\fi}% } } % Another complication: we want \\ (and @\) to output a math (or tt) \. % FYI, plain.tex uses \\ as a temporary control sequence (for no % particular reason), but this is not advertised and we don't care. % % The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. \def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} % \def\math{% \tex \mathunderscore \let\\ = \mathbackslash \mathactive % make the texinfo accent commands work in math mode \let\"=\ddot \let\'=\acute \let\==\bar \let\^=\hat \let\`=\grave \let\u=\breve \let\v=\check \let\~=\tilde \let\dotaccent=\dot $\finishmath } \def\finishmath#1{#1$\endgroup} % Close the group opened by \tex. % Some active characters (such as <) are spaced differently in math. % We have to reset their definitions in case the @math was an argument % to a command which sets the catcodes (such as @item or @section). % { \catcode`^ = \active \catcode`< = \active \catcode`> = \active \catcode`+ = \active \catcode`' = \active \gdef\mathactive{% \let^ = \ptexhat \let< = \ptexless \let> = \ptexgtr \let+ = \ptexplus \let' = \ptexquoteright } } % @inlinefmt{FMTNAME,PROCESSED-TEXT} and @inlineraw{FMTNAME,RAW-TEXT}. % Ignore unless FMTNAME == tex; then it is like @iftex and @tex, % except specified as a normal braced arg, so no newlines to worry about. % \def\outfmtnametex{tex} % \long\def\inlinefmt#1{\doinlinefmt #1,\finish} \long\def\doinlinefmt#1,#2,\finish{% \def\inlinefmtname{#1}% \ifx\inlinefmtname\outfmtnametex \ignorespaces #2\fi } % For raw, must switch into @tex before parsing the argument, to avoid % setting catcodes prematurely. Doing it this way means that, for % example, @inlineraw{html, foo{bar} gets a parse error instead of being % ignored. But this isn't important because if people want a literal % *right* brace they would have to use a command anyway, so they may as % well use a command to get a left brace too. We could re-use the % delimiter character idea from \verb, but it seems like overkill. % \long\def\inlineraw{\tex \doinlineraw} \long\def\doinlineraw#1{\doinlinerawtwo #1,\finish} \def\doinlinerawtwo#1,#2,\finish{% \def\inlinerawname{#1}% \ifx\inlinerawname\outfmtnametex \ignorespaces #2\fi \endgroup % close group opened by \tex. } \message{glyphs,} % and logos. % @@ prints an @, as does @atchar{}. \def\@{\char64 } \let\atchar=\@ % @{ @} @lbracechar{} @rbracechar{} all generate brace characters. % Unless we're in typewriter, use \ecfont because the CM text fonts do % not have braces, and we don't want to switch into math. \def\mylbrace{{\ifmonospace\else\ecfont\fi \char123}} \def\myrbrace{{\ifmonospace\else\ecfont\fi \char125}} \let\{=\mylbrace \let\lbracechar=\{ \let\}=\myrbrace \let\rbracechar=\} \begingroup % Definitions to produce \{ and \} commands for indices, % and @{ and @} for the aux/toc files. \catcode`\{ = \other \catcode`\} = \other \catcode`\[ = 1 \catcode`\] = 2 \catcode`\! = 0 \catcode`\\ = \other !gdef!lbracecmd[\{]% !gdef!rbracecmd[\}]% !gdef!lbraceatcmd[@{]% !gdef!rbraceatcmd[@}]% !endgroup % @comma{} to avoid , parsing problems. \let\comma = , % Accents: @, @dotaccent @ringaccent @ubaraccent @udotaccent % Others are defined by plain TeX: @` @' @" @^ @~ @= @u @v @H. \let\, = \ptexc \let\dotaccent = \ptexdot \def\ringaccent#1{{\accent23 #1}} \let\tieaccent = \ptext \let\ubaraccent = \ptexb \let\udotaccent = \d % Other special characters: @questiondown @exclamdown @ordf @ordm % Plain TeX defines: @AA @AE @O @OE @L (plus lowercase versions) @ss. \def\questiondown{?`} \def\exclamdown{!`} \def\ordf{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{a}}} \def\ordm{\leavevmode\raise1ex\hbox{\selectfonts\lllsize \underbar{o}}} % Dotless i and dotless j, used for accents. \def\imacro{i} \def\jmacro{j} \def\dotless#1{% \def\temp{#1}% \ifx\temp\imacro \ifmmode\imath \else\ptexi \fi \else\ifx\temp\jmacro \ifmmode\jmath \else\j \fi \else \errmessage{@dotless can be used only with i or j}% \fi\fi } % The \TeX{} logo, as in plain, but resetting the spacing so that a % period following counts as ending a sentence. (Idea found in latex.) % \edef\TeX{\TeX \spacefactor=1000 } % @LaTeX{} logo. Not quite the same results as the definition in % latex.ltx, since we use a different font for the raised A; it's most % convenient for us to use an explicitly smaller font, rather than using % the \scriptstyle font (since we don't reset \scriptstyle and % \scriptscriptstyle). % \def\LaTeX{% L\kern-.36em {\setbox0=\hbox{T}% \vbox to \ht0{\hbox{% \ifx\textnominalsize\xwordpt % for 10pt running text, \lllsize (8pt) is too small for the A in LaTeX. % Revert to plain's \scriptsize, which is 7pt. \count255=\the\fam $\fam\count255 \scriptstyle A$% \else % For 11pt, we can use our lllsize. \selectfonts\lllsize A% \fi }% \vss }}% \kern-.15em \TeX } % Some math mode symbols. \def\bullet{$\ptexbullet$} \def\geq{\ifmmode \ge\else $\ge$\fi} \def\leq{\ifmmode \le\else $\le$\fi} \def\minus{\ifmmode -\else $-$\fi} % @dots{} outputs an ellipsis using the current font. % We do .5em per period so that it has the same spacing in the cm % typewriter fonts as three actual period characters; on the other hand, % in other typewriter fonts three periods are wider than 1.5em. So do % whichever is larger. % \def\dots{% \leavevmode \setbox0=\hbox{...}% get width of three periods \ifdim\wd0 > 1.5em \dimen0 = \wd0 \else \dimen0 = 1.5em \fi \hbox to \dimen0{% \hskip 0pt plus.25fil .\hskip 0pt plus1fil .\hskip 0pt plus1fil .\hskip 0pt plus.5fil }% } % @enddots{} is an end-of-sentence ellipsis. % \def\enddots{% \dots \spacefactor=\endofsentencespacefactor } % @point{}, @result{}, @expansion{}, @print{}, @equiv{}. % % Since these characters are used in examples, they should be an even number of % \tt widths. Each \tt character is 1en, so two makes it 1em. % \def\point{$\star$} \def\arrow{\leavevmode\raise.05ex\hbox to 1em{\hfil$\rightarrow$\hfil}} \def\result{\leavevmode\raise.05ex\hbox to 1em{\hfil$\Rightarrow$\hfil}} \def\expansion{\leavevmode\hbox to 1em{\hfil$\mapsto$\hfil}} \def\print{\leavevmode\lower.1ex\hbox to 1em{\hfil$\dashv$\hfil}} \def\equiv{\leavevmode\hbox to 1em{\hfil$\ptexequiv$\hfil}} % The @error{} command. % Adapted from the TeXbook's \boxit. % \newbox\errorbox % {\tentt \global\dimen0 = 3em}% Width of the box. \dimen2 = .55pt % Thickness of rules % The text. (`r' is open on the right, `e' somewhat less so on the left.) \setbox0 = \hbox{\kern-.75pt \reducedsf \putworderror\kern-1.5pt} % \setbox\errorbox=\hbox to \dimen0{\hfil \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right. \advance\hsize by -2\dimen2 % Rules. \vbox{% \hrule height\dimen2 \hbox{\vrule width\dimen2 \kern3pt % Space to left of text. \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below. \kern3pt\vrule width\dimen2}% Space to right. \hrule height\dimen2} \hfil} % \def\error{\leavevmode\lower.7ex\copy\errorbox} % @pounds{} is a sterling sign, which Knuth put in the CM italic font. % \def\pounds{{\it\$}} % @euro{} comes from a separate font, depending on the current style. % We use the free feym* fonts from the eurosym package by Henrik % Theiling, which support regular, slanted, bold and bold slanted (and % "outlined" (blackboard board, sort of) versions, which we don't need). % It is available from http://www.ctan.org/tex-archive/fonts/eurosym. % % Although only regular is the truly official Euro symbol, we ignore % that. The Euro is designed to be slightly taller than the regular % font height. % % feymr - regular % feymo - slanted % feybr - bold % feybo - bold slanted % % There is no good (free) typewriter version, to my knowledge. % A feymr10 euro is ~7.3pt wide, while a normal cmtt10 char is ~5.25pt wide. % Hmm. % % Also doesn't work in math. Do we need to do math with euro symbols? % Hope not. % % \def\euro{{\eurofont e}} \def\eurofont{% % We set the font at each command, rather than predefining it in % \textfonts and the other font-switching commands, so that % installations which never need the symbol don't have to have the % font installed. % % There is only one designed size (nominal 10pt), so we always scale % that to the current nominal size. % % By the way, simply using "at 1em" works for cmr10 and the like, but % does not work for cmbx10 and other extended/shrunken fonts. % \def\eurosize{\csname\curfontsize nominalsize\endcsname}% % \ifx\curfontstyle\bfstylename % bold: \font\thiseurofont = \ifusingit{feybo10}{feybr10} at \eurosize \else % regular: \font\thiseurofont = \ifusingit{feymo10}{feymr10} at \eurosize \fi \thiseurofont } % Glyphs from the EC fonts. We don't use \let for the aliases, because % sometimes we redefine the original macro, and the alias should reflect % the redefinition. % % Use LaTeX names for the Icelandic letters. \def\DH{{\ecfont \char"D0}} % Eth \def\dh{{\ecfont \char"F0}} % eth \def\TH{{\ecfont \char"DE}} % Thorn \def\th{{\ecfont \char"FE}} % thorn % \def\guillemetleft{{\ecfont \char"13}} \def\guillemotleft{\guillemetleft} \def\guillemetright{{\ecfont \char"14}} \def\guillemotright{\guillemetright} \def\guilsinglleft{{\ecfont \char"0E}} \def\guilsinglright{{\ecfont \char"0F}} \def\quotedblbase{{\ecfont \char"12}} \def\quotesinglbase{{\ecfont \char"0D}} % % This positioning is not perfect (see the ogonek LaTeX package), but % we have the precomposed glyphs for the most common cases. We put the % tests to use those glyphs in the single \ogonek macro so we have fewer % dummy definitions to worry about for index entries, etc. % % ogonek is also used with other letters in Lithuanian (IOU), but using % the precomposed glyphs for those is not so easy since they aren't in % the same EC font. \def\ogonek#1{{% \def\temp{#1}% \ifx\temp\macrocharA\Aogonek \else\ifx\temp\macrochara\aogonek \else\ifx\temp\macrocharE\Eogonek \else\ifx\temp\macrochare\eogonek \else \ecfont \setbox0=\hbox{#1}% \ifdim\ht0=1ex\accent"0C #1% \else\ooalign{\unhbox0\crcr\hidewidth\char"0C \hidewidth}% \fi \fi\fi\fi\fi }% } \def\Aogonek{{\ecfont \char"81}}\def\macrocharA{A} \def\aogonek{{\ecfont \char"A1}}\def\macrochara{a} \def\Eogonek{{\ecfont \char"86}}\def\macrocharE{E} \def\eogonek{{\ecfont \char"A6}}\def\macrochare{e} % % Use the ec* fonts (cm-super in outline format) for non-CM glyphs. \def\ecfont{% % We can't distinguish serif/sans and italic/slanted, but this % is used for crude hacks anyway (like adding French and German % quotes to documents typeset with CM, where we lose kerning), so % hopefully nobody will notice/care. \edef\ecsize{\csname\curfontsize ecsize\endcsname}% \edef\nominalsize{\csname\curfontsize nominalsize\endcsname}% \ifx\curfontstyle\bfstylename % bold: \font\thisecfont = ecb\ifusingit{i}{x}\ecsize \space at \nominalsize \else % regular: \font\thisecfont = ec\ifusingit{ti}{rm}\ecsize \space at \nominalsize \fi \thisecfont } % @registeredsymbol - R in a circle. The font for the R should really % be smaller yet, but lllsize is the best we can do for now. % Adapted from the plain.tex definition of \copyright. % \def\registeredsymbol{% $^{{\ooalign{\hfil\raise.07ex\hbox{\selectfonts\lllsize R}% \hfil\crcr\Orb}}% }$% } % @textdegree - the normal degrees sign. % \def\textdegree{$^\circ$} % Laurent Siebenmann reports \Orb undefined with: % Textures 1.7.7 (preloaded format=plain 93.10.14) (68K) 16 APR 2004 02:38 % so we'll define it if necessary. % \ifx\Orb\thisisundefined \def\Orb{\mathhexbox20D} \fi % Quotes. \chardef\quotedblleft="5C \chardef\quotedblright=`\" \chardef\quoteleft=`\` \chardef\quoteright=`\' \message{page headings,} \newskip\titlepagetopglue \titlepagetopglue = 1.5in \newskip\titlepagebottomglue \titlepagebottomglue = 2pc % First the title page. Must do @settitle before @titlepage. \newif\ifseenauthor \newif\iffinishedtitlepage % Do an implicit @contents or @shortcontents after @end titlepage if the % user says @setcontentsaftertitlepage or @setshortcontentsaftertitlepage. % \newif\ifsetcontentsaftertitlepage \let\setcontentsaftertitlepage = \setcontentsaftertitlepagetrue \newif\ifsetshortcontentsaftertitlepage \let\setshortcontentsaftertitlepage = \setshortcontentsaftertitlepagetrue \parseargdef\shorttitlepage{% \begingroup \hbox{}\vskip 1.5in \chaprm \centerline{#1}% \endgroup\page\hbox{}\page} \envdef\titlepage{% % Open one extra group, as we want to close it in the middle of \Etitlepage. \begingroup \parindent=0pt \textfonts % Leave some space at the very top of the page. \vglue\titlepagetopglue % No rule at page bottom unless we print one at the top with @title. \finishedtitlepagetrue % % Most title ``pages'' are actually two pages long, with space % at the top of the second. We don't want the ragged left on the second. \let\oldpage = \page \def\page{% \iffinishedtitlepage\else \finishtitlepage \fi \let\page = \oldpage \page \null }% } \def\Etitlepage{% \iffinishedtitlepage\else \finishtitlepage \fi % It is important to do the page break before ending the group, % because the headline and footline are only empty inside the group. % If we use the new definition of \page, we always get a blank page % after the title page, which we certainly don't want. \oldpage \endgroup % % Need this before the \...aftertitlepage checks so that if they are % in effect the toc pages will come out with page numbers. \HEADINGSon % % If they want short, they certainly want long too. \ifsetshortcontentsaftertitlepage \shortcontents \contents \global\let\shortcontents = \relax \global\let\contents = \relax \fi % \ifsetcontentsaftertitlepage \contents \global\let\contents = \relax \global\let\shortcontents = \relax \fi } \def\finishtitlepage{% \vskip4pt \hrule height 2pt width \hsize \vskip\titlepagebottomglue \finishedtitlepagetrue } % Macros to be used within @titlepage: \let\subtitlerm=\tenrm \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines} \parseargdef\title{% \checkenv\titlepage \leftline{\titlefonts\rmisbold #1} % print a rule at the page bottom also. \finishedtitlepagefalse \vskip4pt \hrule height 4pt width \hsize \vskip4pt } \parseargdef\subtitle{% \checkenv\titlepage {\subtitlefont \rightline{#1}}% } % @author should come last, but may come many times. % It can also be used inside @quotation. % \parseargdef\author{% \def\temp{\quotation}% \ifx\thisenv\temp \def\quotationauthor{#1}% printed in \Equotation. \else \checkenv\titlepage \ifseenauthor\else \vskip 0pt plus 1filll \seenauthortrue \fi {\secfonts\rmisbold \leftline{#1}}% \fi } % Set up page headings and footings. \let\thispage=\folio \newtoks\evenheadline % headline on even pages \newtoks\oddheadline % headline on odd pages \newtoks\evenfootline % footline on even pages \newtoks\oddfootline % footline on odd pages % Now make TeX use those variables \headline={{\textfonts\rm \ifodd\pageno \the\oddheadline \else \the\evenheadline \fi}} \footline={{\textfonts\rm \ifodd\pageno \the\oddfootline \else \the\evenfootline \fi}\HEADINGShook} \let\HEADINGShook=\relax % Commands to set those variables. % For example, this is what @headings on does % @evenheading @thistitle|@thispage|@thischapter % @oddheading @thischapter|@thispage|@thistitle % @evenfooting @thisfile|| % @oddfooting ||@thisfile \def\evenheading{\parsearg\evenheadingxxx} \def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish} \def\evenheadingyyy #1\|#2\|#3\|#4\finish{% \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \def\oddheading{\parsearg\oddheadingxxx} \def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish} \def\oddheadingyyy #1\|#2\|#3\|#4\finish{% \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}% \def\evenfooting{\parsearg\evenfootingxxx} \def\evenfootingxxx #1{\evenfootingyyy #1\|\|\|\|\finish} \def\evenfootingyyy #1\|#2\|#3\|#4\finish{% \global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}} \def\oddfooting{\parsearg\oddfootingxxx} \def\oddfootingxxx #1{\oddfootingyyy #1\|\|\|\|\finish} \def\oddfootingyyy #1\|#2\|#3\|#4\finish{% \global\oddfootline = {\rlap{\centerline{#2}}\line{#1\hfil#3}}% % % Leave some space for the footline. Hopefully ok to assume % @evenfooting will not be used by itself. \global\advance\pageheight by -12pt \global\advance\vsize by -12pt } \parseargdef\everyfooting{\oddfootingxxx{#1}\evenfootingxxx{#1}} % @evenheadingmarks top \thischapter <- chapter at the top of a page % @evenheadingmarks bottom \thischapter <- chapter at the bottom of a page % % The same set of arguments for: % % @oddheadingmarks % @evenfootingmarks % @oddfootingmarks % @everyheadingmarks % @everyfootingmarks \def\evenheadingmarks{\headingmarks{even}{heading}} \def\oddheadingmarks{\headingmarks{odd}{heading}} \def\evenfootingmarks{\headingmarks{even}{footing}} \def\oddfootingmarks{\headingmarks{odd}{footing}} \def\everyheadingmarks#1 {\headingmarks{even}{heading}{#1} \headingmarks{odd}{heading}{#1} } \def\everyfootingmarks#1 {\headingmarks{even}{footing}{#1} \headingmarks{odd}{footing}{#1} } % #1 = even/odd, #2 = heading/footing, #3 = top/bottom. \def\headingmarks#1#2#3 {% \expandafter\let\expandafter\temp \csname get#3headingmarks\endcsname \global\expandafter\let\csname get#1#2marks\endcsname \temp } \everyheadingmarks bottom \everyfootingmarks bottom % @headings double turns headings on for double-sided printing. % @headings single turns headings on for single-sided printing. % @headings off turns them off. % @headings on same as @headings double, retained for compatibility. % @headings after turns on double-sided headings after this page. % @headings doubleafter turns on double-sided headings after this page. % @headings singleafter turns on single-sided headings after this page. % By default, they are off at the start of a document, % and turned `on' after @end titlepage. \def\headings #1 {\csname HEADINGS#1\endcsname} \def\headingsoff{% non-global headings elimination \evenheadline={\hfil}\evenfootline={\hfil}% \oddheadline={\hfil}\oddfootline={\hfil}% } \def\HEADINGSoff{{\globaldefs=1 \headingsoff}} % global setting \HEADINGSoff % it's the default % When we turn headings on, set the page number to 1. % For double-sided printing, put current file name in lower left corner, % chapter name on inside top of right hand pages, document % title on inside top of left hand pages, and page numbers on outside top % edge of all pages. \def\HEADINGSdouble{% \global\pageno=1 \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\folio\hfil\thistitle}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chapoddpage } \let\contentsalignmacro = \chappager % For single-sided printing, chapter title goes across top left of page, % page number on top right. \def\HEADINGSsingle{% \global\pageno=1 \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\thischapter\hfil\folio}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chappager } \def\HEADINGSon{\HEADINGSdouble} \def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex} \let\HEADINGSdoubleafter=\HEADINGSafter \def\HEADINGSdoublex{% \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\folio\hfil\thistitle}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chapoddpage } \def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex} \def\HEADINGSsinglex{% \global\evenfootline={\hfil} \global\oddfootline={\hfil} \global\evenheadline={\line{\thischapter\hfil\folio}} \global\oddheadline={\line{\thischapter\hfil\folio}} \global\let\contentsalignmacro = \chappager } % Subroutines used in generating headings % This produces Day Month Year style of output. % Only define if not already defined, in case a txi-??.tex file has set % up a different format (e.g., txi-cs.tex does this). \ifx\today\thisisundefined \def\today{% \number\day\space \ifcase\month \or\putwordMJan\or\putwordMFeb\or\putwordMMar\or\putwordMApr \or\putwordMMay\or\putwordMJun\or\putwordMJul\or\putwordMAug \or\putwordMSep\or\putwordMOct\or\putwordMNov\or\putwordMDec \fi \space\number\year} \fi % @settitle line... specifies the title of the document, for headings. % It generates no output of its own. \def\thistitle{\putwordNoTitle} \def\settitle{\parsearg{\gdef\thistitle}} \message{tables,} % Tables -- @table, @ftable, @vtable, @item(x). % default indentation of table text \newdimen\tableindent \tableindent=.8in % default indentation of @itemize and @enumerate text \newdimen\itemindent \itemindent=.3in % margin between end of table item and start of table text. \newdimen\itemmargin \itemmargin=.1in % used internally for \itemindent minus \itemmargin \newdimen\itemmax % Note @table, @ftable, and @vtable define @item, @itemx, etc., with % these defs. % They also define \itemindex % to index the item name in whatever manner is desired (perhaps none). \newif\ifitemxneedsnegativevskip \def\itemxpar{\par\ifitemxneedsnegativevskip\nobreak\vskip-\parskip\nobreak\fi} \def\internalBitem{\smallbreak \parsearg\itemzzz} \def\internalBitemx{\itemxpar \parsearg\itemzzz} \def\itemzzz #1{\begingroup % \advance\hsize by -\rightskip \advance\hsize by -\tableindent \setbox0=\hbox{\itemindicate{#1}}% \itemindex{#1}% \nobreak % This prevents a break before @itemx. % % If the item text does not fit in the space we have, put it on a line % by itself, and do not allow a page break either before or after that % line. We do not start a paragraph here because then if the next % command is, e.g., @kindex, the whatsit would get put into the % horizontal list on a line by itself, resulting in extra blank space. \ifdim \wd0>\itemmax % % Make this a paragraph so we get the \parskip glue and wrapping, % but leave it ragged-right. \begingroup \advance\leftskip by-\tableindent \advance\hsize by\tableindent \advance\rightskip by0pt plus1fil\relax \leavevmode\unhbox0\par \endgroup % % We're going to be starting a paragraph, but we don't want the % \parskip glue -- logically it's part of the @item we just started. \nobreak \vskip-\parskip % % Stop a page break at the \parskip glue coming up. However, if % what follows is an environment such as @example, there will be no % \parskip glue; then the negative vskip we just inserted would % cause the example and the item to crash together. So we use this % bizarre value of 10001 as a signal to \aboveenvbreak to insert % \parskip glue after all. Section titles are handled this way also. % \penalty 10001 \endgroup \itemxneedsnegativevskipfalse \else % The item text fits into the space. Start a paragraph, so that the % following text (if any) will end up on the same line. \noindent % Do this with kerns and \unhbox so that if there is a footnote in % the item text, it can migrate to the main vertical list and % eventually be printed. \nobreak\kern-\tableindent \dimen0 = \itemmax \advance\dimen0 by \itemmargin \advance\dimen0 by -\wd0 \unhbox0 \nobreak\kern\dimen0 \endgroup \itemxneedsnegativevskiptrue \fi } \def\item{\errmessage{@item while not in a list environment}} \def\itemx{\errmessage{@itemx while not in a list environment}} % @table, @ftable, @vtable. \envdef\table{% \let\itemindex\gobble \tablecheck{table}% } \envdef\ftable{% \def\itemindex ##1{\doind {fn}{\code{##1}}}% \tablecheck{ftable}% } \envdef\vtable{% \def\itemindex ##1{\doind {vr}{\code{##1}}}% \tablecheck{vtable}% } \def\tablecheck#1{% \ifnum \the\catcode`\^^M=\active \endgroup \errmessage{This command won't work in this context; perhaps the problem is that we are \inenvironment\thisenv}% \def\next{\doignore{#1}}% \else \let\next\tablex \fi \next } \def\tablex#1{% \def\itemindicate{#1}% \parsearg\tabley } \def\tabley#1{% {% \makevalueexpandable \edef\temp{\noexpand\tablez #1\space\space\space}% \expandafter }\temp \endtablez } \def\tablez #1 #2 #3 #4\endtablez{% \aboveenvbreak \ifnum 0#1>0 \advance \leftskip by #1\mil \fi \ifnum 0#2>0 \tableindent=#2\mil \fi \ifnum 0#3>0 \advance \rightskip by #3\mil \fi \itemmax=\tableindent \advance \itemmax by -\itemmargin \advance \leftskip by \tableindent \exdentamount=\tableindent \parindent = 0pt \parskip = \smallskipamount \ifdim \parskip=0pt \parskip=2pt \fi \let\item = \internalBitem \let\itemx = \internalBitemx } \def\Etable{\endgraf\afterenvbreak} \let\Eftable\Etable \let\Evtable\Etable \let\Eitemize\Etable \let\Eenumerate\Etable % This is the counter used by @enumerate, which is really @itemize \newcount \itemno \envdef\itemize{\parsearg\doitemize} \def\doitemize#1{% \aboveenvbreak \itemmax=\itemindent \advance\itemmax by -\itemmargin \advance\leftskip by \itemindent \exdentamount=\itemindent \parindent=0pt \parskip=\smallskipamount \ifdim\parskip=0pt \parskip=2pt \fi % % Try typesetting the item mark that if the document erroneously says % something like @itemize @samp (intending @table), there's an error % right away at the @itemize. It's not the best error message in the % world, but it's better than leaving it to the @item. This means if % the user wants an empty mark, they have to say @w{} not just @w. \def\itemcontents{#1}% \setbox0 = \hbox{\itemcontents}% % % @itemize with no arg is equivalent to @itemize @bullet. \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi % \let\item=\itemizeitem } % Definition of @item while inside @itemize and @enumerate. % \def\itemizeitem{% \advance\itemno by 1 % for enumerations {\let\par=\endgraf \smallbreak}% reasonable place to break {% % If the document has an @itemize directly after a section title, a % \nobreak will be last on the list, and \sectionheading will have % done a \vskip-\parskip. In that case, we don't want to zero % parskip, or the item text will crash with the heading. On the % other hand, when there is normal text preceding the item (as there % usually is), we do want to zero parskip, or there would be too much % space. In that case, we won't have a \nobreak before. At least % that's the theory. \ifnum\lastpenalty<10000 \parskip=0in \fi \noindent \hbox to 0pt{\hss \itemcontents \kern\itemmargin}% % \vadjust{\penalty 1200}}% not good to break after first line of item. \flushcr } % \splitoff TOKENS\endmark defines \first to be the first token in % TOKENS, and \rest to be the remainder. % \def\splitoff#1#2\endmark{\def\first{#1}\def\rest{#2}}% % Allow an optional argument of an uppercase letter, lowercase letter, % or number, to specify the first label in the enumerated list. No % argument is the same as `1'. % \envparseargdef\enumerate{\enumeratey #1 \endenumeratey} \def\enumeratey #1 #2\endenumeratey{% % If we were given no argument, pretend we were given `1'. \def\thearg{#1}% \ifx\thearg\empty \def\thearg{1}\fi % % Detect if the argument is a single token. If so, it might be a % letter. Otherwise, the only valid thing it can be is a number. % (We will always have one token, because of the test we just made. % This is a good thing, since \splitoff doesn't work given nothing at % all -- the first parameter is undelimited.) \expandafter\splitoff\thearg\endmark \ifx\rest\empty % Only one token in the argument. It could still be anything. % A ``lowercase letter'' is one whose \lccode is nonzero. % An ``uppercase letter'' is one whose \lccode is both nonzero, and % not equal to itself. % Otherwise, we assume it's a number. % % We need the \relax at the end of the \ifnum lines to stop TeX from % continuing to look for a . % \ifnum\lccode\expandafter`\thearg=0\relax \numericenumerate % a number (we hope) \else % It's a letter. \ifnum\lccode\expandafter`\thearg=\expandafter`\thearg\relax \lowercaseenumerate % lowercase letter \else \uppercaseenumerate % uppercase letter \fi \fi \else % Multiple tokens in the argument. We hope it's a number. \numericenumerate \fi } % An @enumerate whose labels are integers. The starting integer is % given in \thearg. % \def\numericenumerate{% \itemno = \thearg \startenumeration{\the\itemno}% } % The starting (lowercase) letter is in \thearg. \def\lowercaseenumerate{% \itemno = \expandafter`\thearg \startenumeration{% % Be sure we're not beyond the end of the alphabet. \ifnum\itemno=0 \errmessage{No more lowercase letters in @enumerate; get a bigger alphabet}% \fi \char\lccode\itemno }% } % The starting (uppercase) letter is in \thearg. \def\uppercaseenumerate{% \itemno = \expandafter`\thearg \startenumeration{% % Be sure we're not beyond the end of the alphabet. \ifnum\itemno=0 \errmessage{No more uppercase letters in @enumerate; get a bigger alphabet} \fi \char\uccode\itemno }% } % Call \doitemize, adding a period to the first argument and supplying the % common last two arguments. Also subtract one from the initial value in % \itemno, since @item increments \itemno. % \def\startenumeration#1{% \advance\itemno by -1 \doitemize{#1.}\flushcr } % @alphaenumerate and @capsenumerate are abbreviations for giving an arg % to @enumerate. % \def\alphaenumerate{\enumerate{a}} \def\capsenumerate{\enumerate{A}} \def\Ealphaenumerate{\Eenumerate} \def\Ecapsenumerate{\Eenumerate} % @multitable macros % Amy Hendrickson, 8/18/94, 3/6/96 % % @multitable ... @end multitable will make as many columns as desired. % Contents of each column will wrap at width given in preamble. Width % can be specified either with sample text given in a template line, % or in percent of \hsize, the current width of text on page. % Table can continue over pages but will only break between lines. % To make preamble: % % Either define widths of columns in terms of percent of \hsize: % @multitable @columnfractions .25 .3 .45 % @item ... % % Numbers following @columnfractions are the percent of the total % current hsize to be used for each column. You may use as many % columns as desired. % Or use a template: % @multitable {Column 1 template} {Column 2 template} {Column 3 template} % @item ... % using the widest term desired in each column. % Each new table line starts with @item, each subsequent new column % starts with @tab. Empty columns may be produced by supplying @tab's % with nothing between them for as many times as empty columns are needed, % ie, @tab@tab@tab will produce two empty columns. % @item, @tab do not need to be on their own lines, but it will not hurt % if they are. % Sample multitable: % @multitable {Column 1 template} {Column 2 template} {Column 3 template} % @item first col stuff @tab second col stuff @tab third col % @item % first col stuff % @tab % second col stuff % @tab % third col % @item first col stuff @tab second col stuff % @tab Many paragraphs of text may be used in any column. % % They will wrap at the width determined by the template. % @item@tab@tab This will be in third column. % @end multitable % Default dimensions may be reset by user. % @multitableparskip is vertical space between paragraphs in table. % @multitableparindent is paragraph indent in table. % @multitablecolmargin is horizontal space to be left between columns. % @multitablelinespace is space to leave between table items, baseline % to baseline. % 0pt means it depends on current normal line spacing. % \newskip\multitableparskip \newskip\multitableparindent \newdimen\multitablecolspace \newskip\multitablelinespace \multitableparskip=0pt \multitableparindent=6pt \multitablecolspace=12pt \multitablelinespace=0pt % Macros used to set up halign preamble: % \let\endsetuptable\relax \def\xendsetuptable{\endsetuptable} \let\columnfractions\relax \def\xcolumnfractions{\columnfractions} \newif\ifsetpercent % #1 is the @columnfraction, usually a decimal number like .5, but might % be just 1. We just use it, whatever it is. % \def\pickupwholefraction#1 {% \global\advance\colcount by 1 \expandafter\xdef\csname col\the\colcount\endcsname{#1\hsize}% \setuptable } \newcount\colcount \def\setuptable#1{% \def\firstarg{#1}% \ifx\firstarg\xendsetuptable \let\go = \relax \else \ifx\firstarg\xcolumnfractions \global\setpercenttrue \else \ifsetpercent \let\go\pickupwholefraction \else \global\advance\colcount by 1 \setbox0=\hbox{#1\unskip\space}% Add a normal word space as a % separator; typically that is always in the input, anyway. \expandafter\xdef\csname col\the\colcount\endcsname{\the\wd0}% \fi \fi \ifx\go\pickupwholefraction % Put the argument back for the \pickupwholefraction call, so % we'll always have a period there to be parsed. \def\go{\pickupwholefraction#1}% \else \let\go = \setuptable \fi% \fi \go } % multitable-only commands. % % @headitem starts a heading row, which we typeset in bold. % Assignments have to be global since we are inside the implicit group % of an alignment entry. \everycr resets \everytab so we don't have to % undo it ourselves. \def\headitemfont{\b}% for people to use in the template row; not changeable \def\headitem{% \checkenv\multitable \crcr \global\everytab={\bf}% can't use \headitemfont since the parsing differs \the\everytab % for the first item }% % % A \tab used to include \hskip1sp. But then the space in a template % line is not enough. That is bad. So let's go back to just `&' until % we again encounter the problem the 1sp was intended to solve. % --karl, nathan@acm.org, 20apr99. \def\tab{\checkenv\multitable &\the\everytab}% % @multitable ... @end multitable definitions: % \newtoks\everytab % insert after every tab. % \envdef\multitable{% \vskip\parskip \startsavinginserts % % @item within a multitable starts a normal row. % We use \def instead of \let so that if one of the multitable entries % contains an @itemize, we don't choke on the \item (seen as \crcr aka % \endtemplate) expanding \doitemize. \def\item{\crcr}% % \tolerance=9500 \hbadness=9500 \setmultitablespacing \parskip=\multitableparskip \parindent=\multitableparindent \overfullrule=0pt \global\colcount=0 % \everycr = {% \noalign{% \global\everytab={}% \global\colcount=0 % Reset the column counter. % Check for saved footnotes, etc. \checkinserts % Keeps underfull box messages off when table breaks over pages. %\filbreak % Maybe so, but it also creates really weird page breaks when the % table breaks over pages. Wouldn't \vfil be better? Wait until the % problem manifests itself, so it can be fixed for real --karl. }% }% % \parsearg\domultitable } \def\domultitable#1{% % To parse everything between @multitable and @item: \setuptable#1 \endsetuptable % % This preamble sets up a generic column definition, which will % be used as many times as user calls for columns. % \vtop will set a single line and will also let text wrap and % continue for many paragraphs if desired. \halign\bgroup &% \global\advance\colcount by 1 \multistrut \vtop{% % Use the current \colcount to find the correct column width: \hsize=\expandafter\csname col\the\colcount\endcsname % % In order to keep entries from bumping into each other % we will add a \leftskip of \multitablecolspace to all columns after % the first one. % % If a template has been used, we will add \multitablecolspace % to the width of each template entry. % % If the user has set preamble in terms of percent of \hsize we will % use that dimension as the width of the column, and the \leftskip % will keep entries from bumping into each other. Table will start at % left margin and final column will justify at right margin. % % Make sure we don't inherit \rightskip from the outer environment. \rightskip=0pt \ifnum\colcount=1 % The first column will be indented with the surrounding text. \advance\hsize by\leftskip \else \ifsetpercent \else % If user has not set preamble in terms of percent of \hsize % we will advance \hsize by \multitablecolspace. \advance\hsize by \multitablecolspace \fi % In either case we will make \leftskip=\multitablecolspace: \leftskip=\multitablecolspace \fi % Ignoring space at the beginning and end avoids an occasional spurious % blank line, when TeX decides to break the line at the space before the % box from the multistrut, so the strut ends up on a line by itself. % For example: % @multitable @columnfractions .11 .89 % @item @code{#} % @tab Legal holiday which is valid in major parts of the whole country. % Is automatically provided with highlighting sequences respectively % marking characters. \noindent\ignorespaces##\unskip\multistrut }\cr } \def\Emultitable{% \crcr \egroup % end the \halign \global\setpercentfalse } \def\setmultitablespacing{% \def\multistrut{\strut}% just use the standard line spacing % % Compute \multitablelinespace (if not defined by user) for use in % \multitableparskip calculation. We used define \multistrut based on % this, but (ironically) that caused the spacing to be off. % See bug-texinfo report from Werner Lemberg, 31 Oct 2004 12:52:20 +0100. \ifdim\multitablelinespace=0pt \setbox0=\vbox{X}\global\multitablelinespace=\the\baselineskip \global\advance\multitablelinespace by-\ht0 \fi % Test to see if parskip is larger than space between lines of % table. If not, do nothing. % If so, set to same dimension as multitablelinespace. \ifdim\multitableparskip>\multitablelinespace \global\multitableparskip=\multitablelinespace \global\advance\multitableparskip-7pt % to keep parskip somewhat smaller % than skip between lines in the table. \fi% \ifdim\multitableparskip=0pt \global\multitableparskip=\multitablelinespace \global\advance\multitableparskip-7pt % to keep parskip somewhat smaller % than skip between lines in the table. \fi} \message{conditionals,} % @iftex, @ifnotdocbook, @ifnothtml, @ifnotinfo, @ifnotplaintext, % @ifnotxml always succeed. They currently do nothing; we don't % attempt to check whether the conditionals are properly nested. But we % have to remember that they are conditionals, so that @end doesn't % attempt to close an environment group. % \def\makecond#1{% \expandafter\let\csname #1\endcsname = \relax \expandafter\let\csname iscond.#1\endcsname = 1 } \makecond{iftex} \makecond{ifnotdocbook} \makecond{ifnothtml} \makecond{ifnotinfo} \makecond{ifnotplaintext} \makecond{ifnotxml} % Ignore @ignore, @ifhtml, @ifinfo, and the like. % \def\direntry{\doignore{direntry}} \def\documentdescription{\doignore{documentdescription}} \def\docbook{\doignore{docbook}} \def\html{\doignore{html}} \def\ifdocbook{\doignore{ifdocbook}} \def\ifhtml{\doignore{ifhtml}} \def\ifinfo{\doignore{ifinfo}} \def\ifnottex{\doignore{ifnottex}} \def\ifplaintext{\doignore{ifplaintext}} \def\ifxml{\doignore{ifxml}} \def\ignore{\doignore{ignore}} \def\menu{\doignore{menu}} \def\xml{\doignore{xml}} % Ignore text until a line `@end #1', keeping track of nested conditionals. % % A count to remember the depth of nesting. \newcount\doignorecount \def\doignore#1{\begingroup % Scan in ``verbatim'' mode: \obeylines \catcode`\@ = \other \catcode`\{ = \other \catcode`\} = \other % % Make sure that spaces turn into tokens that match what \doignoretext wants. \spaceisspace % % Count number of #1's that we've seen. \doignorecount = 0 % % Swallow text until we reach the matching `@end #1'. \dodoignore{#1}% } { \catcode`_=11 % We want to use \_STOP_ which cannot appear in texinfo source. \obeylines % % \gdef\dodoignore#1{% % #1 contains the command name as a string, e.g., `ifinfo'. % % Define a command to find the next `@end #1'. \long\def\doignoretext##1^^M@end #1{% \doignoretextyyy##1^^M@#1\_STOP_}% % % And this command to find another #1 command, at the beginning of a % line. (Otherwise, we would consider a line `@c @ifset', for % example, to count as an @ifset for nesting.) \long\def\doignoretextyyy##1^^M@#1##2\_STOP_{\doignoreyyy{##2}\_STOP_}% % % And now expand that command. \doignoretext ^^M% }% } \def\doignoreyyy#1{% \def\temp{#1}% \ifx\temp\empty % Nothing found. \let\next\doignoretextzzz \else % Found a nested condition, ... \advance\doignorecount by 1 \let\next\doignoretextyyy % ..., look for another. % If we're here, #1 ends with ^^M\ifinfo (for example). \fi \next #1% the token \_STOP_ is present just after this macro. } % We have to swallow the remaining "\_STOP_". % \def\doignoretextzzz#1{% \ifnum\doignorecount = 0 % We have just found the outermost @end. \let\next\enddoignore \else % Still inside a nested condition. \advance\doignorecount by -1 \let\next\doignoretext % Look for the next @end. \fi \next } % Finish off ignored text. { \obeylines% % Ignore anything after the last `@end #1'; this matters in verbatim % environments, where otherwise the newline after an ignored conditional % would result in a blank line in the output. \gdef\enddoignore#1^^M{\endgroup\ignorespaces}% } % @set VAR sets the variable VAR to an empty value. % @set VAR REST-OF-LINE sets VAR to the value REST-OF-LINE. % % Since we want to separate VAR from REST-OF-LINE (which might be % empty), we can't just use \parsearg; we have to insert a space of our % own to delimit the rest of the line, and then take it out again if we % didn't need it. % We rely on the fact that \parsearg sets \catcode`\ =10. % \parseargdef\set{\setyyy#1 \endsetyyy} \def\setyyy#1 #2\endsetyyy{% {% \makevalueexpandable \def\temp{#2}% \edef\next{\gdef\makecsname{SET#1}}% \ifx\temp\empty \next{}% \else \setzzz#2\endsetzzz \fi }% } % Remove the trailing space \setxxx inserted. \def\setzzz#1 \endsetzzz{\next{#1}} % @clear VAR clears (i.e., unsets) the variable VAR. % \parseargdef\clear{% {% \makevalueexpandable \global\expandafter\let\csname SET#1\endcsname=\relax }% } % @value{foo} gets the text saved in variable foo. \def\value{\begingroup\makevalueexpandable\valuexxx} \def\valuexxx#1{\expandablevalue{#1}\endgroup} { \catcode`\- = \active \catcode`\_ = \active % \gdef\makevalueexpandable{% \let\value = \expandablevalue % We don't want these characters active, ... \catcode`\-=\other \catcode`\_=\other % ..., but we might end up with active ones in the argument if % we're called from @code, as @code{@value{foo-bar_}}, though. % So \let them to their normal equivalents. \let-\realdash \let_\normalunderscore } } % We have this subroutine so that we can handle at least some @value's % properly in indexes (we call \makevalueexpandable in \indexdummies). % The command has to be fully expandable (if the variable is set), since % the result winds up in the index file. This means that if the % variable's value contains other Texinfo commands, it's almost certain % it will fail (although perhaps we could fix that with sufficient work % to do a one-level expansion on the result, instead of complete). % \def\expandablevalue#1{% \expandafter\ifx\csname SET#1\endcsname\relax {[No value for ``#1'']}% \message{Variable `#1', used in @value, is not set.}% \else \csname SET#1\endcsname \fi } % @ifset VAR ... @end ifset reads the `...' iff VAR has been defined % with @set. % % To get special treatment of `@end ifset,' call \makeond and the redefine. % \makecond{ifset} \def\ifset{\parsearg{\doifset{\let\next=\ifsetfail}}} \def\doifset#1#2{% {% \makevalueexpandable \let\next=\empty \expandafter\ifx\csname SET#2\endcsname\relax #1% If not set, redefine \next. \fi \expandafter }\next } \def\ifsetfail{\doignore{ifset}} % @ifclear VAR ... @end ifclear reads the `...' iff VAR has never been % defined with @set, or has been undefined with @clear. % % The `\else' inside the `\doifset' parameter is a trick to reuse the % above code: if the variable is not set, do nothing, if it is set, % then redefine \next to \ifclearfail. % \makecond{ifclear} \def\ifclear{\parsearg{\doifset{\else \let\next=\ifclearfail}}} \def\ifclearfail{\doignore{ifclear}} % @dircategory CATEGORY -- specify a category of the dir file % which this file should belong to. Ignore this in TeX. \let\dircategory=\comment % @defininfoenclose. \let\definfoenclose=\comment \message{indexing,} % Index generation facilities % Define \newwrite to be identical to plain tex's \newwrite % except not \outer, so it can be used within macros and \if's. \edef\newwrite{\makecsname{ptexnewwrite}} % \newindex {foo} defines an index named foo. % It automatically defines \fooindex such that % \fooindex ...rest of line... puts an entry in the index foo. % It also defines \fooindfile to be the number of the output channel for % the file that accumulates this index. The file's extension is foo. % The name of an index should be no more than 2 characters long % for the sake of vms. % \def\newindex#1{% \iflinks \expandafter\newwrite \csname#1indfile\endcsname \openout \csname#1indfile\endcsname \jobname.#1 % Open the file \fi \expandafter\xdef\csname#1index\endcsname{% % Define @#1index \noexpand\doindex{#1}} } % @defindex foo == \newindex{foo} % \def\defindex{\parsearg\newindex} % Define @defcodeindex, like @defindex except put all entries in @code. % \def\defcodeindex{\parsearg\newcodeindex} % \def\newcodeindex#1{% \iflinks \expandafter\newwrite \csname#1indfile\endcsname \openout \csname#1indfile\endcsname \jobname.#1 \fi \expandafter\xdef\csname#1index\endcsname{% \noexpand\docodeindex{#1}}% } % @synindex foo bar makes index foo feed into index bar. % Do this instead of @defindex foo if you don't want it as a separate index. % % @syncodeindex foo bar similar, but put all entries made for index foo % inside @code. % \def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}} \def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}} % #1 is \doindex or \docodeindex, #2 the index getting redefined (foo), % #3 the target index (bar). \def\dosynindex#1#2#3{% % Only do \closeout if we haven't already done it, else we'll end up % closing the target index. \expandafter \ifx\csname donesynindex#2\endcsname \relax % The \closeout helps reduce unnecessary open files; the limit on the % Acorn RISC OS is a mere 16 files. \expandafter\closeout\csname#2indfile\endcsname \expandafter\let\csname donesynindex#2\endcsname = 1 \fi % redefine \fooindfile: \expandafter\let\expandafter\temp\expandafter=\csname#3indfile\endcsname \expandafter\let\csname#2indfile\endcsname=\temp % redefine \fooindex: \expandafter\xdef\csname#2index\endcsname{\noexpand#1{#3}}% } % Define \doindex, the driver for all \fooindex macros. % Argument #1 is generated by the calling \fooindex macro, % and it is "foo", the name of the index. % \doindex just uses \parsearg; it calls \doind for the actual work. % This is because \doind is more useful to call from other macros. % There is also \dosubind {index}{topic}{subtopic} % which makes an entry in a two-level index such as the operation index. \def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer} \def\singleindexer #1{\doind{\indexname}{#1}} % like the previous two, but they put @code around the argument. \def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer} \def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}} % Take care of Texinfo commands that can appear in an index entry. % Since there are some commands we want to expand, and others we don't, % we have to laboriously prevent expansion for those that we don't. % \def\indexdummies{% \escapechar = `\\ % use backslash in output files. \def\@{@}% change to @@ when we switch to @ as escape char in index files. \def\ {\realbackslash\space }% % % Need these unexpandable (because we define \tt as a dummy) % definitions when @{ or @} appear in index entry text. Also, more % complicated, when \tex is in effect and \{ is a \delimiter again. % We can't use \lbracecmd and \rbracecmd because texindex assumes % braces and backslashes are used only as delimiters. Perhaps we % should define @lbrace and @rbrace commands a la @comma. \def\{{{\tt\char123}}% \def\}{{\tt\char125}}% % % I don't entirely understand this, but when an index entry is % generated from a macro call, the \endinput which \scanmacro inserts % causes processing to be prematurely terminated. This is, % apparently, because \indexsorttmp is fully expanded, and \endinput % is an expandable command. The redefinition below makes \endinput % disappear altogether for that purpose -- although logging shows that % processing continues to some further point. On the other hand, it % seems \endinput does not hurt in the printed index arg, since that % is still getting written without apparent harm. % % Sample source (mac-idx3.tex, reported by Graham Percival to % help-texinfo, 22may06): % @macro funindex {WORD} % @findex xyz % @end macro % ... % @funindex commtest % % The above is not enough to reproduce the bug, but it gives the flavor. % % Sample whatsit resulting: % .@write3{\entry{xyz}{@folio }{@code {xyz@endinput }}} % % So: \let\endinput = \empty % % Do the redefinitions. \commondummies } % For the aux and toc files, @ is the escape character. So we want to % redefine everything using @ as the escape character (instead of % \realbackslash, still used for index files). When everything uses @, % this will be simpler. % \def\atdummies{% \def\@{@@}% \def\ {@ }% \let\{ = \lbraceatcmd \let\} = \rbraceatcmd % % Do the redefinitions. \commondummies \otherbackslash } % Called from \indexdummies and \atdummies. % \def\commondummies{% % % \definedummyword defines \#1 as \string\#1\space, thus effectively % preventing its expansion. This is used only for control words, % not control letters, because the \space would be incorrect for % control characters, but is needed to separate the control word % from whatever follows. % % For control letters, we have \definedummyletter, which omits the % space. % % These can be used both for control words that take an argument and % those that do not. If it is followed by {arg} in the input, then % that will dutifully get written to the index (or wherever). % \def\definedummyword ##1{\def##1{\string##1\space}}% \def\definedummyletter##1{\def##1{\string##1}}% \let\definedummyaccent\definedummyletter % \commondummiesnofonts % \definedummyletter\_% \definedummyletter\-% % % Non-English letters. \definedummyword\AA \definedummyword\AE \definedummyword\DH \definedummyword\L \definedummyword\O \definedummyword\OE \definedummyword\TH \definedummyword\aa \definedummyword\ae \definedummyword\dh \definedummyword\exclamdown \definedummyword\l \definedummyword\o \definedummyword\oe \definedummyword\ordf \definedummyword\ordm \definedummyword\questiondown \definedummyword\ss \definedummyword\th % % Although these internal commands shouldn't show up, sometimes they do. \definedummyword\bf \definedummyword\gtr \definedummyword\hat \definedummyword\less \definedummyword\sf \definedummyword\sl \definedummyword\tclose \definedummyword\tt % \definedummyword\LaTeX \definedummyword\TeX % % Assorted special characters. \definedummyword\arrow \definedummyword\bullet \definedummyword\comma \definedummyword\copyright \definedummyword\registeredsymbol \definedummyword\dots \definedummyword\enddots \definedummyword\entrybreak \definedummyword\equiv \definedummyword\error \definedummyword\euro \definedummyword\expansion \definedummyword\geq \definedummyword\guillemetleft \definedummyword\guillemetright \definedummyword\guilsinglleft \definedummyword\guilsinglright \definedummyword\leq \definedummyword\minus \definedummyword\ogonek \definedummyword\pounds \definedummyword\point \definedummyword\print \definedummyword\quotedblbase \definedummyword\quotedblleft \definedummyword\quotedblright \definedummyword\quoteleft \definedummyword\quoteright \definedummyword\quotesinglbase \definedummyword\result \definedummyword\textdegree % % We want to disable all macros so that they are not expanded by \write. \macrolist % \normalturnoffactive % % Handle some cases of @value -- where it does not contain any % (non-fully-expandable) commands. \makevalueexpandable } % \commondummiesnofonts: common to \commondummies and \indexnofonts. % \def\commondummiesnofonts{% % Control letters and accents. \definedummyletter\!% \definedummyaccent\"% \definedummyaccent\'% \definedummyletter\*% \definedummyaccent\,% \definedummyletter\.% \definedummyletter\/% \definedummyletter\:% \definedummyaccent\=% \definedummyletter\?% \definedummyaccent\^% \definedummyaccent\`% \definedummyaccent\~% \definedummyword\u \definedummyword\v \definedummyword\H \definedummyword\dotaccent \definedummyword\ogonek \definedummyword\ringaccent \definedummyword\tieaccent \definedummyword\ubaraccent \definedummyword\udotaccent \definedummyword\dotless % % Texinfo font commands. \definedummyword\b \definedummyword\i \definedummyword\r \definedummyword\sansserif \definedummyword\sc \definedummyword\slanted \definedummyword\t % % Commands that take arguments. \definedummyword\acronym \definedummyword\anchor \definedummyword\cite \definedummyword\code \definedummyword\command \definedummyword\dfn \definedummyword\dmn \definedummyword\email \definedummyword\emph \definedummyword\env \definedummyword\file \definedummyword\indicateurl \definedummyword\kbd \definedummyword\key \definedummyword\math \definedummyword\option \definedummyword\pxref \definedummyword\ref \definedummyword\samp \definedummyword\strong \definedummyword\tie \definedummyword\uref \definedummyword\url \definedummyword\var \definedummyword\verb \definedummyword\w \definedummyword\xref } % \indexnofonts is used when outputting the strings to sort the index % by, and when constructing control sequence names. It eliminates all % control sequences and just writes whatever the best ASCII sort string % would be for a given command (usually its argument). % \def\indexnofonts{% % Accent commands should become @asis. \def\definedummyaccent##1{\let##1\asis}% % We can just ignore other control letters. \def\definedummyletter##1{\let##1\empty}% % All control words become @asis by default; overrides below. \let\definedummyword\definedummyaccent % \commondummiesnofonts % % Don't no-op \tt, since it isn't a user-level command % and is used in the definitions of the active chars like <, >, |, etc. % Likewise with the other plain tex font commands. %\let\tt=\asis % \def\ { }% \def\@{@}% \def\_{\normalunderscore}% \def\-{}% @- shouldn't affect sorting % % Unfortunately, texindex is not prepared to handle braces in the % content at all. So for index sorting, we map @{ and @} to strings % starting with |, since that ASCII character is between ASCII { and }. \def\{{|a}% \def\}{|b}% % % Non-English letters. \def\AA{AA}% \def\AE{AE}% \def\DH{DZZ}% \def\L{L}% \def\OE{OE}% \def\O{O}% \def\TH{ZZZ}% \def\aa{aa}% \def\ae{ae}% \def\dh{dzz}% \def\exclamdown{!}% \def\l{l}% \def\oe{oe}% \def\ordf{a}% \def\ordm{o}% \def\o{o}% \def\questiondown{?}% \def\ss{ss}% \def\th{zzz}% % \def\LaTeX{LaTeX}% \def\TeX{TeX}% % % Assorted special characters. % (The following {} will end up in the sort string, but that's ok.) \def\arrow{->}% \def\bullet{bullet}% \def\comma{,}% \def\copyright{copyright}% \def\dots{...}% \def\enddots{...}% \def\equiv{==}% \def\error{error}% \def\euro{euro}% \def\expansion{==>}% \def\geq{>=}% \def\guillemetleft{<<}% \def\guillemetright{>>}% \def\guilsinglleft{<}% \def\guilsinglright{>}% \def\leq{<=}% \def\minus{-}% \def\point{.}% \def\pounds{pounds}% \def\print{-|}% \def\quotedblbase{"}% \def\quotedblleft{"}% \def\quotedblright{"}% \def\quoteleft{`}% \def\quoteright{'}% \def\quotesinglbase{,}% \def\registeredsymbol{R}% \def\result{=>}% \def\textdegree{o}% % \expandafter\ifx\csname SETtxiindexlquoteignore\endcsname\relax \else \indexlquoteignore \fi % % We need to get rid of all macros, leaving only the arguments (if present). % Of course this is not nearly correct, but it is the best we can do for now. % makeinfo does not expand macros in the argument to @deffn, which ends up % writing an index entry, and texindex isn't prepared for an index sort entry % that starts with \. % % Since macro invocations are followed by braces, we can just redefine them % to take a single TeX argument. The case of a macro invocation that % goes to end-of-line is not handled. % \macrolist } % Undocumented (for FSFS 2nd ed.): @set txiindexlquoteignore makes us % ignore left quotes in the sort term. {\catcode`\`=\active \gdef\indexlquoteignore{\let`=\empty}} \let\indexbackslash=0 %overridden during \printindex. \let\SETmarginindex=\relax % put index entries in margin (undocumented)? % Most index entries go through here, but \dosubind is the general case. % #1 is the index name, #2 is the entry text. \def\doind#1#2{\dosubind{#1}{#2}{}} % Workhorse for all \fooindexes. % #1 is name of index, #2 is stuff to put there, #3 is subentry -- % empty if called from \doind, as we usually are (the main exception % is with most defuns, which call us directly). % \def\dosubind#1#2#3{% \iflinks {% % Store the main index entry text (including the third arg). \toks0 = {#2}% % If third arg is present, precede it with a space. \def\thirdarg{#3}% \ifx\thirdarg\empty \else \toks0 = \expandafter{\the\toks0 \space #3}% \fi % \edef\writeto{\csname#1indfile\endcsname}% % \safewhatsit\dosubindwrite }% \fi } % Write the entry in \toks0 to the index file: % \def\dosubindwrite{% % Put the index entry in the margin if desired. \ifx\SETmarginindex\relax\else \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}% \fi % % Remember, we are within a group. \indexdummies % Must do this here, since \bf, etc expand at this stage \def\backslashcurfont{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. % % Process the index entry with all font commands turned off, to % get the string to sort by. {\indexnofonts \edef\temp{\the\toks0}% need full expansion \xdef\indexsorttmp{\temp}% }% % % Set up the complete index entry, with both the sort key and % the original text, including any font commands. We write % three arguments to \entry to the .?? file (four in the % subentry case), texindex reduces to two when writing the .??s % sorted result. \edef\temp{% \write\writeto{% \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}% }% \temp } % Take care of unwanted page breaks/skips around a whatsit: % % If a skip is the last thing on the list now, preserve it % by backing up by \lastskip, doing the \write, then inserting % the skip again. Otherwise, the whatsit generated by the % \write or \pdfdest will make \lastskip zero. The result is that % sequences like this: % @end defun % @tindex whatever % @defun ... % will have extra space inserted, because the \medbreak in the % start of the @defun won't see the skip inserted by the @end of % the previous defun. % % But don't do any of this if we're not in vertical mode. We % don't want to do a \vskip and prematurely end a paragraph. % % Avoid page breaks due to these extra skips, too. % % But wait, there is a catch there: % We'll have to check whether \lastskip is zero skip. \ifdim is not % sufficient for this purpose, as it ignores stretch and shrink parts % of the skip. The only way seems to be to check the textual % representation of the skip. % % The following is almost like \def\zeroskipmacro{0.0pt} except that % the ``p'' and ``t'' characters have catcode \other, not 11 (letter). % \edef\zeroskipmacro{\expandafter\the\csname z@skip\endcsname} % \newskip\whatsitskip \newcount\whatsitpenalty % % ..., ready, GO: % \def\safewhatsit#1{\ifhmode #1% \else % \lastskip and \lastpenalty cannot both be nonzero simultaneously. \whatsitskip = \lastskip \edef\lastskipmacro{\the\lastskip}% \whatsitpenalty = \lastpenalty % % If \lastskip is nonzero, that means the last item was a % skip. And since a skip is discardable, that means this % -\whatsitskip glue we're inserting is preceded by a % non-discardable item, therefore it is not a potential % breakpoint, therefore no \nobreak needed. \ifx\lastskipmacro\zeroskipmacro \else \vskip-\whatsitskip \fi % #1% % \ifx\lastskipmacro\zeroskipmacro % If \lastskip was zero, perhaps the last item was a penalty, and % perhaps it was >=10000, e.g., a \nobreak. In that case, we want % to re-insert the same penalty (values >10000 are used for various % signals); since we just inserted a non-discardable item, any % following glue (such as a \parskip) would be a breakpoint. For example: % @deffn deffn-whatever % @vindex index-whatever % Description. % would allow a break between the index-whatever whatsit % and the "Description." paragraph. \ifnum\whatsitpenalty>9999 \penalty\whatsitpenalty \fi \else % On the other hand, if we had a nonzero \lastskip, % this make-up glue would be preceded by a non-discardable item % (the whatsit from the \write), so we must insert a \nobreak. \nobreak\vskip\whatsitskip \fi \fi} % The index entry written in the file actually looks like % \entry {sortstring}{page}{topic} % or % \entry {sortstring}{page}{topic}{subtopic} % The texindex program reads in these files and writes files % containing these kinds of lines: % \initial {c} % before the first topic whose initial is c % \entry {topic}{pagelist} % for a topic that is used without subtopics % \primary {topic} % for the beginning of a topic that is used with subtopics % \secondary {subtopic}{pagelist} % for each subtopic. % Define the user-accessible indexing commands % @findex, @vindex, @kindex, @cindex. \def\findex {\fnindex} \def\kindex {\kyindex} \def\cindex {\cpindex} \def\vindex {\vrindex} \def\tindex {\tpindex} \def\pindex {\pgindex} \def\cindexsub {\begingroup\obeylines\cindexsub} {\obeylines % \gdef\cindexsub "#1" #2^^M{\endgroup % \dosubind{cp}{#2}{#1}}} % Define the macros used in formatting output of the sorted index material. % @printindex causes a particular index (the ??s file) to get printed. % It does not print any chapter heading (usually an @unnumbered). % \parseargdef\printindex{\begingroup \dobreak \chapheadingskip{10000}% % \smallfonts \rm \tolerance = 9500 \plainfrenchspacing \everypar = {}% don't want the \kern\-parindent from indentation suppression. % % See if the index file exists and is nonempty. % Change catcode of @ here so that if the index file contains % \initial {@} % as its first line, TeX doesn't complain about mismatched braces % (because it thinks @} is a control sequence). \catcode`\@ = 11 \openin 1 \jobname.#1s \ifeof 1 % \enddoublecolumns gets confused if there is no text in the index, % and it loses the chapter title and the aux file entries for the % index. The easiest way to prevent this problem is to make sure % there is some text. \putwordIndexNonexistent \else % % If the index file exists but is empty, then \openin leaves \ifeof % false. We have to make TeX try to read something from the file, so % it can discover if there is anything in it. \read 1 to \temp \ifeof 1 \putwordIndexIsEmpty \else % Index files are almost Texinfo source, but we use \ as the escape % character. It would be better to use @, but that's too big a change % to make right now. \def\indexbackslash{\backslashcurfont}% \catcode`\\ = 0 \escapechar = `\\ \begindoublecolumns \input \jobname.#1s \enddoublecolumns \fi \fi \closein 1 \endgroup} % These macros are used by the sorted index file itself. % Change them to control the appearance of the index. \def\initial#1{{% % Some minor font changes for the special characters. \let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt % % Remove any glue we may have, we'll be inserting our own. \removelastskip % % We like breaks before the index initials, so insert a bonus. \nobreak \vskip 0pt plus 3\baselineskip \penalty 0 \vskip 0pt plus -3\baselineskip % % Typeset the initial. Making this add up to a whole number of % baselineskips increases the chance of the dots lining up from column % to column. It still won't often be perfect, because of the stretch % we need before each entry, but it's better. % % No shrink because it confuses \balancecolumns. \vskip 1.67\baselineskip plus .5\baselineskip \leftline{\secbf #1}% % Do our best not to break after the initial. \nobreak \vskip .33\baselineskip plus .1\baselineskip }} % \entry typesets a paragraph consisting of the text (#1), dot leaders, and % then page number (#2) flushed to the right margin. It is used for index % and table of contents entries. The paragraph is indented by \leftskip. % % A straightforward implementation would start like this: % \def\entry#1#2{... % But this freezes the catcodes in the argument, and can cause problems to % @code, which sets - active. This problem was fixed by a kludge--- % ``-'' was active throughout whole index, but this isn't really right. % The right solution is to prevent \entry from swallowing the whole text. % --kasal, 21nov03 \def\entry{% \begingroup % % Start a new paragraph if necessary, so our assignments below can't % affect previous text. \par % % Do not fill out the last line with white space. \parfillskip = 0in % % No extra space above this paragraph. \parskip = 0in % % Do not prefer a separate line ending with a hyphen to fewer lines. \finalhyphendemerits = 0 % % \hangindent is only relevant when the entry text and page number % don't both fit on one line. In that case, bob suggests starting the % dots pretty far over on the line. Unfortunately, a large % indentation looks wrong when the entry text itself is broken across % lines. So we use a small indentation and put up with long leaders. % % \hangafter is reset to 1 (which is the value we want) at the start % of each paragraph, so we need not do anything with that. \hangindent = 2em % % When the entry text needs to be broken, just fill out the first line % with blank space. \rightskip = 0pt plus1fil % % A bit of stretch before each entry for the benefit of balancing % columns. \vskip 0pt plus1pt % % When reading the text of entry, convert explicit line breaks % from @* into spaces. The user might give these in long section % titles, for instance. \def\*{\unskip\space\ignorespaces}% \def\entrybreak{\hfil\break}% % % Swallow the left brace of the text (first parameter): \afterassignment\doentry \let\temp = } \def\entrybreak{\unskip\space\ignorespaces}% \def\doentry{% \bgroup % Instead of the swallowed brace. \noindent \aftergroup\finishentry % And now comes the text of the entry. } \def\finishentry#1{% % #1 is the page number. % % The following is kludged to not output a line of dots in the index if % there are no page numbers. The next person who breaks this will be % cursed by a Unix daemon. \setbox\boxA = \hbox{#1}% \ifdim\wd\boxA = 0pt \ % \else % % If we must, put the page number on a line of its own, and fill out % this line with blank space. (The \hfil is overwhelmed with the % fill leaders glue in \indexdotfill if the page number does fit.) \hfil\penalty50 \null\nobreak\indexdotfill % Have leaders before the page number. % % The `\ ' here is removed by the implicit \unskip that TeX does as % part of (the primitive) \par. Without it, a spurious underfull % \hbox ensues. \ifpdf \pdfgettoks#1.% \ \the\toksA \else \ #1% \fi \fi \par \endgroup } % Like plain.tex's \dotfill, except uses up at least 1 em. \def\indexdotfill{\cleaders \hbox{$\mathsurround=0pt \mkern1.5mu.\mkern1.5mu$}\hskip 1em plus 1fill} \def\primary #1{\line{#1\hfil}} \newskip\secondaryindent \secondaryindent=0.5cm \def\secondary#1#2{{% \parfillskip=0in \parskip=0in \hangindent=1in \hangafter=1 \noindent\hskip\secondaryindent\hbox{#1}\indexdotfill \ifpdf \pdfgettoks#2.\ \the\toksA % The page number ends the paragraph. \else #2 \fi \par }} % Define two-column mode, which we use to typeset indexes. % Adapted from the TeXbook, page 416, which is to say, % the manmac.tex format used to print the TeXbook itself. \catcode`\@=11 \newbox\partialpage \newdimen\doublecolumnhsize \def\begindoublecolumns{\begingroup % ended by \enddoublecolumns % Grab any single-column material above us. \output = {% % % Here is a possibility not foreseen in manmac: if we accumulate a % whole lot of material, we might end up calling this \output % routine twice in a row (see the doublecol-lose test, which is % essentially a couple of indexes with @setchapternewpage off). In % that case we just ship out what is in \partialpage with the normal % output routine. Generally, \partialpage will be empty when this % runs and this will be a no-op. See the indexspread.tex test case. \ifvoid\partialpage \else \onepageout{\pagecontents\partialpage}% \fi % \global\setbox\partialpage = \vbox{% % Unvbox the main output page. \unvbox\PAGE \kern-\topskip \kern\baselineskip }% }% \eject % run that output routine to set \partialpage % % Use the double-column output routine for subsequent pages. \output = {\doublecolumnout}% % % Change the page size parameters. We could do this once outside this % routine, in each of @smallbook, @afourpaper, and the default 8.5x11 % format, but then we repeat the same computation. Repeating a couple % of assignments once per index is clearly meaningless for the % execution time, so we may as well do it in one place. % % First we halve the line length, less a little for the gutter between % the columns. We compute the gutter based on the line length, so it % changes automatically with the paper format. The magic constant % below is chosen so that the gutter has the same value (well, +-<1pt) % as it did when we hard-coded it. % % We put the result in a separate register, \doublecolumhsize, so we % can restore it in \pagesofar, after \hsize itself has (potentially) % been clobbered. % \doublecolumnhsize = \hsize \advance\doublecolumnhsize by -.04154\hsize \divide\doublecolumnhsize by 2 \hsize = \doublecolumnhsize % % Double the \vsize as well. (We don't need a separate register here, % since nobody clobbers \vsize.) \vsize = 2\vsize } % The double-column output routine for all double-column pages except % the last. % \def\doublecolumnout{% \splittopskip=\topskip \splitmaxdepth=\maxdepth % Get the available space for the double columns -- the normal % (undoubled) page height minus any material left over from the % previous page. \dimen@ = \vsize \divide\dimen@ by 2 \advance\dimen@ by -\ht\partialpage % % box0 will be the left-hand column, box2 the right. \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@ \onepageout\pagesofar \unvbox255 \penalty\outputpenalty } % % Re-output the contents of the output page -- any previous material, % followed by the two boxes we just split, in box0 and box2. \def\pagesofar{% \unvbox\partialpage % \hsize = \doublecolumnhsize \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}% } % % All done with double columns. \def\enddoublecolumns{% % The following penalty ensures that the page builder is exercised % _before_ we change the output routine. This is necessary in the % following situation: % % The last section of the index consists only of a single entry. % Before this section, \pagetotal is less than \pagegoal, so no % break occurs before the last section starts. However, the last % section, consisting of \initial and the single \entry, does not % fit on the page and has to be broken off. Without the following % penalty the page builder will not be exercised until \eject % below, and by that time we'll already have changed the output % routine to the \balancecolumns version, so the next-to-last % double-column page will be processed with \balancecolumns, which % is wrong: The two columns will go to the main vertical list, with % the broken-off section in the recent contributions. As soon as % the output routine finishes, TeX starts reconsidering the page % break. The two columns and the broken-off section both fit on the % page, because the two columns now take up only half of the page % goal. When TeX sees \eject from below which follows the final % section, it invokes the new output routine that we've set after % \balancecolumns below; \onepageout will try to fit the two columns % and the final section into the vbox of \pageheight (see % \pagebody), causing an overfull box. % % Note that glue won't work here, because glue does not exercise the % page builder, unlike penalties (see The TeXbook, pp. 280-281). \penalty0 % \output = {% % Split the last of the double-column material. Leave it on the % current page, no automatic page break. \balancecolumns % % If we end up splitting too much material for the current page, % though, there will be another page break right after this \output % invocation ends. Having called \balancecolumns once, we do not % want to call it again. Therefore, reset \output to its normal % definition right away. (We hope \balancecolumns will never be % called on to balance too much material, but if it is, this makes % the output somewhat more palatable.) \global\output = {\onepageout{\pagecontents\PAGE}}% }% \eject \endgroup % started in \begindoublecolumns % % \pagegoal was set to the doubled \vsize above, since we restarted % the current page. We're now back to normal single-column % typesetting, so reset \pagegoal to the normal \vsize (after the % \endgroup where \vsize got restored). \pagegoal = \vsize } % % Called at the end of the double column material. \def\balancecolumns{% \setbox0 = \vbox{\unvbox255}% like \box255 but more efficient, see p.120. \dimen@ = \ht0 \advance\dimen@ by \topskip \advance\dimen@ by-\baselineskip \divide\dimen@ by 2 % target to split to %debug\message{final 2-column material height=\the\ht0, target=\the\dimen@.}% \splittopskip = \topskip % Loop until we get a decent breakpoint. {% \vbadness = 10000 \loop \global\setbox3 = \copy0 \global\setbox1 = \vsplit3 to \dimen@ \ifdim\ht3>\dimen@ \global\advance\dimen@ by 1pt \repeat }% %debug\message{split to \the\dimen@, column heights: \the\ht1, \the\ht3.}% \setbox0=\vbox to\dimen@{\unvbox1}% \setbox2=\vbox to\dimen@{\unvbox3}% % \pagesofar } \catcode`\@ = \other \message{sectioning,} % Chapters, sections, etc. % Let's start with @part. \outer\parseargdef\part{\partzzz{#1}} \def\partzzz#1{% \chapoddpage \null \vskip.3\vsize % move it down on the page a bit \begingroup \noindent \titlefonts\rmisbold #1\par % the text \let\lastnode=\empty % no node to associate with \writetocentry{part}{#1}{}% but put it in the toc \headingsoff % no headline or footline on the part page \chapoddpage \endgroup } % \unnumberedno is an oxymoron. But we count the unnumbered % sections so that we can refer to them unambiguously in the pdf % outlines by their "section number". We avoid collisions with chapter % numbers by starting them at 10000. (If a document ever has 10000 % chapters, we're in trouble anyway, I'm sure.) \newcount\unnumberedno \unnumberedno = 10000 \newcount\chapno \newcount\secno \secno=0 \newcount\subsecno \subsecno=0 \newcount\subsubsecno \subsubsecno=0 % This counter is funny since it counts through charcodes of letters A, B, ... \newcount\appendixno \appendixno = `\@ % % \def\appendixletter{\char\the\appendixno} % We do the following ugly conditional instead of the above simple % construct for the sake of pdftex, which needs the actual % letter in the expansion, not just typeset. % \def\appendixletter{% \ifnum\appendixno=`A A% \else\ifnum\appendixno=`B B% \else\ifnum\appendixno=`C C% \else\ifnum\appendixno=`D D% \else\ifnum\appendixno=`E E% \else\ifnum\appendixno=`F F% \else\ifnum\appendixno=`G G% \else\ifnum\appendixno=`H H% \else\ifnum\appendixno=`I I% \else\ifnum\appendixno=`J J% \else\ifnum\appendixno=`K K% \else\ifnum\appendixno=`L L% \else\ifnum\appendixno=`M M% \else\ifnum\appendixno=`N N% \else\ifnum\appendixno=`O O% \else\ifnum\appendixno=`P P% \else\ifnum\appendixno=`Q Q% \else\ifnum\appendixno=`R R% \else\ifnum\appendixno=`S S% \else\ifnum\appendixno=`T T% \else\ifnum\appendixno=`U U% \else\ifnum\appendixno=`V V% \else\ifnum\appendixno=`W W% \else\ifnum\appendixno=`X X% \else\ifnum\appendixno=`Y Y% \else\ifnum\appendixno=`Z Z% % The \the is necessary, despite appearances, because \appendixletter is % expanded while writing the .toc file. \char\appendixno is not % expandable, thus it is written literally, thus all appendixes come out % with the same letter (or @) in the toc without it. \else\char\the\appendixno \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi} % Each @chapter defines these (using marks) as the number+name, number % and name of the chapter. Page headings and footings can use % these. @section does likewise. \def\thischapter{} \def\thischapternum{} \def\thischaptername{} \def\thissection{} \def\thissectionnum{} \def\thissectionname{} \newcount\absseclevel % used to calculate proper heading level \newcount\secbase\secbase=0 % @raisesections/@lowersections modify this count % @raisesections: treat @section as chapter, @subsection as section, etc. \def\raisesections{\global\advance\secbase by -1} \let\up=\raisesections % original BFox name % @lowersections: treat @chapter as section, @section as subsection, etc. \def\lowersections{\global\advance\secbase by 1} \let\down=\lowersections % original BFox name % we only have subsub. \chardef\maxseclevel = 3 % % A numbered section within an unnumbered changes to unnumbered too. % To achieve this, remember the "biggest" unnum. sec. we are currently in: \chardef\unnlevel = \maxseclevel % % Trace whether the current chapter is an appendix or not: % \chapheadtype is "N" or "A", unnumbered chapters are ignored. \def\chapheadtype{N} % Choose a heading macro % #1 is heading type % #2 is heading level % #3 is text for heading \def\genhead#1#2#3{% % Compute the abs. sec. level: \absseclevel=#2 \advance\absseclevel by \secbase % Make sure \absseclevel doesn't fall outside the range: \ifnum \absseclevel < 0 \absseclevel = 0 \else \ifnum \absseclevel > 3 \absseclevel = 3 \fi \fi % The heading type: \def\headtype{#1}% \if \headtype U% \ifnum \absseclevel < \unnlevel \chardef\unnlevel = \absseclevel \fi \else % Check for appendix sections: \ifnum \absseclevel = 0 \edef\chapheadtype{\headtype}% \else \if \headtype A\if \chapheadtype N% \errmessage{@appendix... within a non-appendix chapter}% \fi\fi \fi % Check for numbered within unnumbered: \ifnum \absseclevel > \unnlevel \def\headtype{U}% \else \chardef\unnlevel = 3 \fi \fi % Now print the heading: \if \headtype U% \ifcase\absseclevel \unnumberedzzz{#3}% \or \unnumberedseczzz{#3}% \or \unnumberedsubseczzz{#3}% \or \unnumberedsubsubseczzz{#3}% \fi \else \if \headtype A% \ifcase\absseclevel \appendixzzz{#3}% \or \appendixsectionzzz{#3}% \or \appendixsubseczzz{#3}% \or \appendixsubsubseczzz{#3}% \fi \else \ifcase\absseclevel \chapterzzz{#3}% \or \seczzz{#3}% \or \numberedsubseczzz{#3}% \or \numberedsubsubseczzz{#3}% \fi \fi \fi \suppressfirstparagraphindent } % an interface: \def\numhead{\genhead N} \def\apphead{\genhead A} \def\unnmhead{\genhead U} % @chapter, @appendix, @unnumbered. Increment top-level counter, reset % all lower-level sectioning counters to zero. % % Also set \chaplevelprefix, which we prepend to @float sequence numbers % (e.g., figures), q.v. By default (before any chapter), that is empty. \let\chaplevelprefix = \empty % \outer\parseargdef\chapter{\numhead0{#1}} % normally numhead0 calls chapterzzz \def\chapterzzz#1{% % section resetting is \global in case the chapter is in a group, such % as an @include file. \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\chapno by 1 % % Used for \float. \gdef\chaplevelprefix{\the\chapno.}% \resetallfloatnos % % \putwordChapter can contain complex things in translations. \toks0=\expandafter{\putwordChapter}% \message{\the\toks0 \space \the\chapno}% % % Write the actual heading. \chapmacro{#1}{Ynumbered}{\the\chapno}% % % So @section and the like are numbered underneath this chapter. \global\let\section = \numberedsec \global\let\subsection = \numberedsubsec \global\let\subsubsection = \numberedsubsubsec } \outer\parseargdef\appendix{\apphead0{#1}} % normally calls appendixzzz % \def\appendixzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\appendixno by 1 \gdef\chaplevelprefix{\appendixletter.}% \resetallfloatnos % % \putwordAppendix can contain complex things in translations. \toks0=\expandafter{\putwordAppendix}% \message{\the\toks0 \space \appendixletter}% % \chapmacro{#1}{Yappendix}{\appendixletter}% % \global\let\section = \appendixsec \global\let\subsection = \appendixsubsec \global\let\subsubsection = \appendixsubsubsec } % normally unnmhead0 calls unnumberedzzz: \outer\parseargdef\unnumbered{\unnmhead0{#1}} \def\unnumberedzzz#1{% \global\secno=0 \global\subsecno=0 \global\subsubsecno=0 \global\advance\unnumberedno by 1 % % Since an unnumbered has no number, no prefix for figures. \global\let\chaplevelprefix = \empty \resetallfloatnos % % This used to be simply \message{#1}, but TeX fully expands the % argument to \message. Therefore, if #1 contained @-commands, TeX % expanded them. For example, in `@unnumbered The @cite{Book}', TeX % expanded @cite (which turns out to cause errors because \cite is meant % to be executed, not expanded). % % Anyway, we don't want the fully-expanded definition of @cite to appear % as a result of the \message, we just want `@cite' itself. We use % \the to achieve this: TeX expands \the only once, % simply yielding the contents of . (We also do this for % the toc entries.) \toks0 = {#1}% \message{(\the\toks0)}% % \chapmacro{#1}{Ynothing}{\the\unnumberedno}% % \global\let\section = \unnumberedsec \global\let\subsection = \unnumberedsubsec \global\let\subsubsection = \unnumberedsubsubsec } % @centerchap is like @unnumbered, but the heading is centered. \outer\parseargdef\centerchap{% % Well, we could do the following in a group, but that would break % an assumption that \chapmacro is called at the outermost level. % Thus we are safer this way: --kasal, 24feb04 \let\centerparametersmaybe = \centerparameters \unnmhead0{#1}% \let\centerparametersmaybe = \relax } % @top is like @unnumbered. \let\top\unnumbered % Sections. % \outer\parseargdef\numberedsec{\numhead1{#1}} % normally calls seczzz \def\seczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynumbered}{\the\chapno.\the\secno}% } % normally calls appendixsectionzzz: \outer\parseargdef\appendixsection{\apphead1{#1}} \def\appendixsectionzzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Yappendix}{\appendixletter.\the\secno}% } \let\appendixsec\appendixsection % normally calls unnumberedseczzz: \outer\parseargdef\unnumberedsec{\unnmhead1{#1}} \def\unnumberedseczzz#1{% \global\subsecno=0 \global\subsubsecno=0 \global\advance\secno by 1 \sectionheading{#1}{sec}{Ynothing}{\the\unnumberedno.\the\secno}% } % Subsections. % % normally calls numberedsubseczzz: \outer\parseargdef\numberedsubsec{\numhead2{#1}} \def\numberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynumbered}{\the\chapno.\the\secno.\the\subsecno}% } % normally calls appendixsubseczzz: \outer\parseargdef\appendixsubsec{\apphead2{#1}} \def\appendixsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno}% } % normally calls unnumberedsubseczzz: \outer\parseargdef\unnumberedsubsec{\unnmhead2{#1}} \def\unnumberedsubseczzz#1{% \global\subsubsecno=0 \global\advance\subsecno by 1 \sectionheading{#1}{subsec}{Ynothing}% {\the\unnumberedno.\the\secno.\the\subsecno}% } % Subsubsections. % % normally numberedsubsubseczzz: \outer\parseargdef\numberedsubsubsec{\numhead3{#1}} \def\numberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynumbered}% {\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno}% } % normally appendixsubsubseczzz: \outer\parseargdef\appendixsubsubsec{\apphead3{#1}} \def\appendixsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Yappendix}% {\appendixletter.\the\secno.\the\subsecno.\the\subsubsecno}% } % normally unnumberedsubsubseczzz: \outer\parseargdef\unnumberedsubsubsec{\unnmhead3{#1}} \def\unnumberedsubsubseczzz#1{% \global\advance\subsubsecno by 1 \sectionheading{#1}{subsubsec}{Ynothing}% {\the\unnumberedno.\the\secno.\the\subsecno.\the\subsubsecno}% } % These macros control what the section commands do, according % to what kind of chapter we are in (ordinary, appendix, or unnumbered). % Define them by default for a numbered chapter. \let\section = \numberedsec \let\subsection = \numberedsubsec \let\subsubsection = \numberedsubsubsec % Define @majorheading, @heading and @subheading % NOTE on use of \vbox for chapter headings, section headings, and such: % 1) We use \vbox rather than the earlier \line to permit % overlong headings to fold. % 2) \hyphenpenalty is set to 10000 because hyphenation in a % heading is obnoxious; this forbids it. % 3) Likewise, headings look best if no \parindent is used, and % if justification is not attempted. Hence \raggedright. \def\majorheading{% {\advance\chapheadingskip by 10pt \chapbreak }% \parsearg\chapheadingzzz } \def\chapheading{\chapbreak \parsearg\chapheadingzzz} \def\chapheadingzzz#1{% {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt\ptexraggedright \rmisbold #1\hfill}}% \bigskip \par\penalty 200\relax \suppressfirstparagraphindent } % @heading, @subheading, @subsubheading. \parseargdef\heading{\sectionheading{#1}{sec}{Yomitfromtoc}{} \suppressfirstparagraphindent} \parseargdef\subheading{\sectionheading{#1}{subsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} \parseargdef\subsubheading{\sectionheading{#1}{subsubsec}{Yomitfromtoc}{} \suppressfirstparagraphindent} % These macros generate a chapter, section, etc. heading only % (including whitespace, linebreaking, etc. around it), % given all the information in convenient, parsed form. % Args are the skip and penalty (usually negative) \def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi} % Parameter controlling skip before chapter headings (if needed) \newskip\chapheadingskip % Define plain chapter starts, and page on/off switching for it. \def\chapbreak{\dobreak \chapheadingskip {-4000}} \def\chappager{\par\vfill\supereject} % Because \domark is called before \chapoddpage, the filler page will % get the headings for the next chapter, which is wrong. But we don't % care -- we just disable all headings on the filler page. \def\chapoddpage{% \chappager \ifodd\pageno \else \begingroup \headingsoff \null \chappager \endgroup \fi } \def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname} \def\CHAPPAGoff{% \global\let\contentsalignmacro = \chappager \global\let\pchapsepmacro=\chapbreak \global\let\pagealignmacro=\chappager} \def\CHAPPAGon{% \global\let\contentsalignmacro = \chappager \global\let\pchapsepmacro=\chappager \global\let\pagealignmacro=\chappager \global\def\HEADINGSon{\HEADINGSsingle}} \def\CHAPPAGodd{% \global\let\contentsalignmacro = \chapoddpage \global\let\pchapsepmacro=\chapoddpage \global\let\pagealignmacro=\chapoddpage \global\def\HEADINGSon{\HEADINGSdouble}} \CHAPPAGon % Chapter opening. % % #1 is the text, #2 is the section type (Ynumbered, Ynothing, % Yappendix, Yomitfromtoc), #3 the chapter number. % % To test against our argument. \def\Ynothingkeyword{Ynothing} \def\Yomitfromtockeyword{Yomitfromtoc} \def\Yappendixkeyword{Yappendix} % \def\chapmacro#1#2#3{% % Insert the first mark before the heading break (see notes for \domark). \let\prevchapterdefs=\lastchapterdefs \let\prevsectiondefs=\lastsectiondefs \gdef\lastsectiondefs{\gdef\thissectionname{}\gdef\thissectionnum{}% \gdef\thissection{}}% % \def\temptype{#2}% \ifx\temptype\Ynothingkeyword \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% \gdef\thischapter{\thischaptername}}% \else\ifx\temptype\Yomitfromtockeyword \gdef\lastchapterdefs{\gdef\thischaptername{#1}\gdef\thischapternum{}% \gdef\thischapter{}}% \else\ifx\temptype\Yappendixkeyword \toks0={#1}% \xdef\lastchapterdefs{% \gdef\noexpand\thischaptername{\the\toks0}% \gdef\noexpand\thischapternum{\appendixletter}% % \noexpand\putwordAppendix avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thischapter{\noexpand\putwordAppendix{} \noexpand\thischapternum: \noexpand\thischaptername}% }% \else \toks0={#1}% \xdef\lastchapterdefs{% \gdef\noexpand\thischaptername{\the\toks0}% \gdef\noexpand\thischapternum{\the\chapno}% % \noexpand\putwordChapter avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thischapter{\noexpand\putwordChapter{} \noexpand\thischapternum: \noexpand\thischaptername}% }% \fi\fi\fi % % Output the mark. Pass it through \safewhatsit, to take care of % the preceding space. \safewhatsit\domark % % Insert the chapter heading break. \pchapsepmacro % % Now the second mark, after the heading break. No break points % between here and the heading. \let\prevchapterdefs=\lastchapterdefs \let\prevsectiondefs=\lastsectiondefs \domark % {% \chapfonts \rmisbold % % Have to define \lastsection before calling \donoderef, because the % xref code eventually uses it. On the other hand, it has to be called % after \pchapsepmacro, or the headline will change too soon. \gdef\lastsection{#1}% % % Only insert the separating space if we have a chapter/appendix % number, and don't print the unnumbered ``number''. \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unnchap}% \else\ifx\temptype\Yomitfromtockeyword \setbox0 = \hbox{}% contents like unnumbered, but no toc entry \def\toctype{omit}% \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{\putwordAppendix{} #3\enspace}% \def\toctype{app}% \else \setbox0 = \hbox{#3\enspace}% \def\toctype{numchap}% \fi\fi\fi % % Write the toc entry for this chapter. Must come before the % \donoderef, because we include the current node name in the toc % entry, and \donoderef resets it to empty. \writetocentry{\toctype}{#1}{#3}% % % For pdftex, we have to write out the node definition (aka, make % the pdfdest) after any page break, but before the actual text has % been typeset. If the destination for the pdf outline is after the % text, then jumping from the outline may wind up with the text not % being visible, for instance under high magnification. \donoderef{#2}% % % Typeset the actual heading. \nobreak % Avoid page breaks at the interline glue. \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 \centerparametersmaybe \unhbox0 #1\par}% }% \nobreak\bigskip % no page break after a chapter title \nobreak } % @centerchap -- centered and unnumbered. \let\centerparametersmaybe = \relax \def\centerparameters{% \advance\rightskip by 3\rightskip \leftskip = \rightskip \parfillskip = 0pt } % I don't think this chapter style is supported any more, so I'm not % updating it with the new noderef stuff. We'll see. --karl, 11aug03. % \def\setchapterstyle #1 {\csname CHAPF#1\endcsname} % \def\unnchfopen #1{% \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt\ptexraggedright \rmisbold #1\hfill}}\bigskip \par\nobreak } \def\chfopen #1#2{\chapoddpage {\chapfonts \vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}% \par\penalty 5000 % } \def\centerchfopen #1{% \chapoddpage {\chapfonts \vbox{\hyphenpenalty=10000\tolerance=5000 \parindent=0pt \hfill {\rmisbold #1}\hfill}}\bigskip \par\nobreak } \def\CHAPFopen{% \global\let\chapmacro=\chfopen \global\let\centerchapmacro=\centerchfopen} % Section titles. These macros combine the section number parts and % call the generic \sectionheading to do the printing. % \newskip\secheadingskip \def\secheadingbreak{\dobreak \secheadingskip{-1000}} % Subsection titles. \newskip\subsecheadingskip \def\subsecheadingbreak{\dobreak \subsecheadingskip{-500}} % Subsubsection titles. \def\subsubsecheadingskip{\subsecheadingskip} \def\subsubsecheadingbreak{\subsecheadingbreak} % Print any size, any type, section title. % % #1 is the text, #2 is the section level (sec/subsec/subsubsec), #3 is % the section type for xrefs (Ynumbered, Ynothing, Yappendix), #4 is the % section number. % \def\seckeyword{sec} % \def\sectionheading#1#2#3#4{% {% \checkenv{}% should not be in an environment. % % Switch to the right set of fonts. \csname #2fonts\endcsname \rmisbold % \def\sectionlevel{#2}% \def\temptype{#3}% % % Insert first mark before the heading break (see notes for \domark). \let\prevsectiondefs=\lastsectiondefs \ifx\temptype\Ynothingkeyword \ifx\sectionlevel\seckeyword \gdef\lastsectiondefs{\gdef\thissectionname{#1}\gdef\thissectionnum{}% \gdef\thissection{\thissectionname}}% \fi \else\ifx\temptype\Yomitfromtockeyword % Don't redefine \thissection. \else\ifx\temptype\Yappendixkeyword \ifx\sectionlevel\seckeyword \toks0={#1}% \xdef\lastsectiondefs{% \gdef\noexpand\thissectionname{\the\toks0}% \gdef\noexpand\thissectionnum{#4}% % \noexpand\putwordSection avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thissection{\noexpand\putwordSection{} \noexpand\thissectionnum: \noexpand\thissectionname}% }% \fi \else \ifx\sectionlevel\seckeyword \toks0={#1}% \xdef\lastsectiondefs{% \gdef\noexpand\thissectionname{\the\toks0}% \gdef\noexpand\thissectionnum{#4}% % \noexpand\putwordSection avoids expanding indigestible % commands in some of the translations. \gdef\noexpand\thissection{\noexpand\putwordSection{} \noexpand\thissectionnum: \noexpand\thissectionname}% }% \fi \fi\fi\fi % % Go into vertical mode. Usually we'll already be there, but we % don't want the following whatsit to end up in a preceding paragraph % if the document didn't happen to have a blank line. \par % % Output the mark. Pass it through \safewhatsit, to take care of % the preceding space. \safewhatsit\domark % % Insert space above the heading. \csname #2headingbreak\endcsname % % Now the second mark, after the heading break. No break points % between here and the heading. \let\prevsectiondefs=\lastsectiondefs \domark % % Only insert the space after the number if we have a section number. \ifx\temptype\Ynothingkeyword \setbox0 = \hbox{}% \def\toctype{unn}% \gdef\lastsection{#1}% \else\ifx\temptype\Yomitfromtockeyword % for @headings -- no section number, don't include in toc, % and don't redefine \lastsection. \setbox0 = \hbox{}% \def\toctype{omit}% \let\sectionlevel=\empty \else\ifx\temptype\Yappendixkeyword \setbox0 = \hbox{#4\enspace}% \def\toctype{app}% \gdef\lastsection{#1}% \else \setbox0 = \hbox{#4\enspace}% \def\toctype{num}% \gdef\lastsection{#1}% \fi\fi\fi % % Write the toc entry (before \donoderef). See comments in \chapmacro. \writetocentry{\toctype\sectionlevel}{#1}{#4}% % % Write the node reference (= pdf destination for pdftex). % Again, see comments in \chapmacro. \donoderef{#3}% % % Interline glue will be inserted when the vbox is completed. % That glue will be a valid breakpoint for the page, since it'll be % preceded by a whatsit (usually from the \donoderef, or from the % \writetocentry if there was no node). We don't want to allow that % break, since then the whatsits could end up on page n while the % section is on page n+1, thus toc/etc. are wrong. Debian bug 276000. \nobreak % % Output the actual section heading. \vbox{\hyphenpenalty=10000 \tolerance=5000 \parindent=0pt \ptexraggedright \hangindent=\wd0 % zero if no section number \unhbox0 #1}% }% % Add extra space after the heading -- half of whatever came above it. % Don't allow stretch, though. \kern .5 \csname #2headingskip\endcsname % % Do not let the kern be a potential breakpoint, as it would be if it % was followed by glue. \nobreak % % We'll almost certainly start a paragraph next, so don't let that % glue accumulate. (Not a breakpoint because it's preceded by a % discardable item.) However, when a paragraph is not started next % (\startdefun, \cartouche, \center, etc.), this needs to be wiped out % or the negative glue will cause weirdly wrong output, typically % obscuring the section heading with something else. \vskip-\parskip % % This is so the last item on the main vertical list is a known % \penalty > 10000, so \startdefun, etc., can recognize the situation % and do the needful. \penalty 10001 } \message{toc,} % Table of contents. \newwrite\tocfile % Write an entry to the toc file, opening it if necessary. % Called from @chapter, etc. % % Example usage: \writetocentry{sec}{Section Name}{\the\chapno.\the\secno} % We append the current node name (if any) and page number as additional % arguments for the \{chap,sec,...}entry macros which will eventually % read this. The node name is used in the pdf outlines as the % destination to jump to. % % We open the .toc file for writing here instead of at @setfilename (or % any other fixed time) so that @contents can be anywhere in the document. % But if #1 is `omit', then we don't do anything. This is used for the % table of contents chapter openings themselves. % \newif\iftocfileopened \def\omitkeyword{omit}% % \def\writetocentry#1#2#3{% \edef\writetoctype{#1}% \ifx\writetoctype\omitkeyword \else \iftocfileopened\else \immediate\openout\tocfile = \jobname.toc \global\tocfileopenedtrue \fi % \iflinks {\atdummies \edef\temp{% \write\tocfile{@#1entry{#2}{#3}{\lastnode}{\noexpand\folio}}}% \temp }% \fi \fi % % Tell \shipout to create a pdf destination on each page, if we're % writing pdf. These are used in the table of contents. We can't % just write one on every page because the title pages are numbered % 1 and 2 (the page numbers aren't printed), and so are the first % two pages of the document. Thus, we'd have two destinations named % `1', and two named `2'. \ifpdf \global\pdfmakepagedesttrue \fi } % These characters do not print properly in the Computer Modern roman % fonts, so we must take special care. This is more or less redundant % with the Texinfo input format setup at the end of this file. % \def\activecatcodes{% \catcode`\"=\active \catcode`\$=\active \catcode`\<=\active \catcode`\>=\active \catcode`\\=\active \catcode`\^=\active \catcode`\_=\active \catcode`\|=\active \catcode`\~=\active } % Read the toc file, which is essentially Texinfo input. \def\readtocfile{% \setupdatafile \activecatcodes \input \tocreadfilename } \newskip\contentsrightmargin \contentsrightmargin=1in \newcount\savepageno \newcount\lastnegativepageno \lastnegativepageno = -1 % Prepare to read what we've written to \tocfile. % \def\startcontents#1{% % If @setchapternewpage on, and @headings double, the contents should % start on an odd page, unlike chapters. Thus, we maintain % \contentsalignmacro in parallel with \pagealignmacro. % From: Torbjorn Granlund \contentsalignmacro \immediate\closeout\tocfile % % Don't need to put `Contents' or `Short Contents' in the headline. % It is abundantly clear what they are. \chapmacro{#1}{Yomitfromtoc}{}% % \savepageno = \pageno \begingroup % Set up to handle contents files properly. \raggedbottom % Worry more about breakpoints than the bottom. \advance\hsize by -\contentsrightmargin % Don't use the full line length. % % Roman numerals for page numbers. \ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi } % redefined for the two-volume lispref. We always output on % \jobname.toc even if this is redefined. % \def\tocreadfilename{\jobname.toc} % Normal (long) toc. % \def\contents{% \startcontents{\putwordTOC}% \openin 1 \tocreadfilename\space \ifeof 1 \else \readtocfile \fi \vfill \eject \contentsalignmacro % in case @setchapternewpage odd is in effect \ifeof 1 \else \pdfmakeoutlines \fi \closein 1 \endgroup \lastnegativepageno = \pageno \global\pageno = \savepageno } % And just the chapters. \def\summarycontents{% \startcontents{\putwordShortTOC}% % \let\partentry = \shortpartentry \let\numchapentry = \shortchapentry \let\appentry = \shortchapentry \let\unnchapentry = \shortunnchapentry % We want a true roman here for the page numbers. \secfonts \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl \let\tt=\shortconttt \rm \hyphenpenalty = 10000 \advance\baselineskip by 1pt % Open it up a little. \def\numsecentry##1##2##3##4{} \let\appsecentry = \numsecentry \let\unnsecentry = \numsecentry \let\numsubsecentry = \numsecentry \let\appsubsecentry = \numsecentry \let\unnsubsecentry = \numsecentry \let\numsubsubsecentry = \numsecentry \let\appsubsubsecentry = \numsecentry \let\unnsubsubsecentry = \numsecentry \openin 1 \tocreadfilename\space \ifeof 1 \else \readtocfile \fi \closein 1 \vfill \eject \contentsalignmacro % in case @setchapternewpage odd is in effect \endgroup \lastnegativepageno = \pageno \global\pageno = \savepageno } \let\shortcontents = \summarycontents % Typeset the label for a chapter or appendix for the short contents. % The arg is, e.g., `A' for an appendix, or `3' for a chapter. % \def\shortchaplabel#1{% % This space should be enough, since a single number is .5em, and the % widest letter (M) is 1em, at least in the Computer Modern fonts. % But use \hss just in case. % (This space doesn't include the extra space that gets added after % the label; that gets put in by \shortchapentry above.) % % We'd like to right-justify chapter numbers, but that looks strange % with appendix letters. And right-justifying numbers and % left-justifying letters looks strange when there is less than 10 % chapters. Have to read the whole toc once to know how many chapters % there are before deciding ... \hbox to 1em{#1\hss}% } % These macros generate individual entries in the table of contents. % The first argument is the chapter or section name. % The last argument is the page number. % The arguments in between are the chapter number, section number, ... % Parts, in the main contents. Replace the part number, which doesn't % exist, with an empty box. Let's hope all the numbers have the same width. % Also ignore the page number, which is conventionally not printed. \def\numeralbox{\setbox0=\hbox{8}\hbox to \wd0{\hfil}} \def\partentry#1#2#3#4{\dochapentry{\numeralbox\labelspace#1}{}} % % Parts, in the short toc. \def\shortpartentry#1#2#3#4{% \penalty-300 \vskip.5\baselineskip plus.15\baselineskip minus.1\baselineskip \shortchapentry{{\bf #1}}{\numeralbox}{}{}% } % Chapters, in the main contents. \def\numchapentry#1#2#3#4{\dochapentry{#2\labelspace#1}{#4}} % % Chapters, in the short toc. % See comments in \dochapentry re vbox and related settings. \def\shortchapentry#1#2#3#4{% \tocentry{\shortchaplabel{#2}\labelspace #1}{\doshortpageno\bgroup#4\egroup}% } % Appendices, in the main contents. % Need the word Appendix, and a fixed-size box. % \def\appendixbox#1{% % We use M since it's probably the widest letter. \setbox0 = \hbox{\putwordAppendix{} M}% \hbox to \wd0{\putwordAppendix{} #1\hss}} % \def\appentry#1#2#3#4{\dochapentry{\appendixbox{#2}\labelspace#1}{#4}} % Unnumbered chapters. \def\unnchapentry#1#2#3#4{\dochapentry{#1}{#4}} \def\shortunnchapentry#1#2#3#4{\tocentry{#1}{\doshortpageno\bgroup#4\egroup}} % Sections. \def\numsecentry#1#2#3#4{\dosecentry{#2\labelspace#1}{#4}} \let\appsecentry=\numsecentry \def\unnsecentry#1#2#3#4{\dosecentry{#1}{#4}} % Subsections. \def\numsubsecentry#1#2#3#4{\dosubsecentry{#2\labelspace#1}{#4}} \let\appsubsecentry=\numsubsecentry \def\unnsubsecentry#1#2#3#4{\dosubsecentry{#1}{#4}} % And subsubsections. \def\numsubsubsecentry#1#2#3#4{\dosubsubsecentry{#2\labelspace#1}{#4}} \let\appsubsubsecentry=\numsubsubsecentry \def\unnsubsubsecentry#1#2#3#4{\dosubsubsecentry{#1}{#4}} % This parameter controls the indentation of the various levels. % Same as \defaultparindent. \newdimen\tocindent \tocindent = 15pt % Now for the actual typesetting. In all these, #1 is the text and #2 is the % page number. % % If the toc has to be broken over pages, we want it to be at chapters % if at all possible; hence the \penalty. \def\dochapentry#1#2{% \penalty-300 \vskip1\baselineskip plus.33\baselineskip minus.25\baselineskip \begingroup \chapentryfonts \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup \nobreak\vskip .25\baselineskip plus.1\baselineskip } \def\dosecentry#1#2{\begingroup \secentryfonts \leftskip=\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} \def\dosubsecentry#1#2{\begingroup \subsecentryfonts \leftskip=2\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} \def\dosubsubsecentry#1#2{\begingroup \subsubsecentryfonts \leftskip=3\tocindent \tocentry{#1}{\dopageno\bgroup#2\egroup}% \endgroup} % We use the same \entry macro as for the index entries. \let\tocentry = \entry % Space between chapter (or whatever) number and the title. \def\labelspace{\hskip1em \relax} \def\dopageno#1{{\rm #1}} \def\doshortpageno#1{{\rm #1}} \def\chapentryfonts{\secfonts \rm} \def\secentryfonts{\textfonts} \def\subsecentryfonts{\textfonts} \def\subsubsecentryfonts{\textfonts} \message{environments,} % @foo ... @end foo. % @tex ... @end tex escapes into raw TeX temporarily. % One exception: @ is still an escape character, so that @end tex works. % But \@ or @@ will get a plain @ character. \envdef\tex{% \setupmarkupstyle{tex}% \catcode `\\=0 \catcode `\{=1 \catcode `\}=2 \catcode `\$=3 \catcode `\&=4 \catcode `\#=6 \catcode `\^=7 \catcode `\_=8 \catcode `\~=\active \let~=\tie \catcode `\%=14 \catcode `\+=\other \catcode `\"=\other \catcode `\|=\other \catcode `\<=\other \catcode `\>=\other \catcode`\`=\other \catcode`\'=\other \escapechar=`\\ % % ' is active in math mode (mathcode"8000). So reset it, and all our % other math active characters (just in case), to plain's definitions. \mathactive % \let\b=\ptexb \let\bullet=\ptexbullet \let\c=\ptexc \let\,=\ptexcomma \let\.=\ptexdot \let\dots=\ptexdots \let\equiv=\ptexequiv \let\!=\ptexexclam \let\i=\ptexi \let\indent=\ptexindent \let\noindent=\ptexnoindent \let\{=\ptexlbrace \let\+=\tabalign \let\}=\ptexrbrace \let\/=\ptexslash \let\*=\ptexstar \let\t=\ptext \expandafter \let\csname top\endcsname=\ptextop % outer \let\frenchspacing=\plainfrenchspacing % \def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}% \def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}% \def\@{@}% } % There is no need to define \Etex. % Define @lisp ... @end lisp. % @lisp environment forms a group so it can rebind things, % including the definition of @end lisp (which normally is erroneous). % Amount to narrow the margins by for @lisp. \newskip\lispnarrowing \lispnarrowing=0.4in % This is the definition that ^^M gets inside @lisp, @example, and other % such environments. \null is better than a space, since it doesn't % have any width. \def\lisppar{\null\endgraf} % This space is always present above and below environments. \newskip\envskipamount \envskipamount = 0pt % Make spacing and below environment symmetrical. We use \parskip here % to help in doing that, since in @example-like environments \parskip % is reset to zero; thus the \afterenvbreak inserts no space -- but the % start of the next paragraph will insert \parskip. % \def\aboveenvbreak{{% % =10000 instead of <10000 because of a special case in \itemzzz and % \sectionheading, q.v. \ifnum \lastpenalty=10000 \else \advance\envskipamount by \parskip \endgraf \ifdim\lastskip<\envskipamount \removelastskip % it's not a good place to break if the last penalty was \nobreak % or better ... \ifnum\lastpenalty<10000 \penalty-50 \fi \vskip\envskipamount \fi \fi }} \let\afterenvbreak = \aboveenvbreak % \nonarrowing is a flag. If "set", @lisp etc don't narrow margins; it will % also clear it, so that its embedded environments do the narrowing again. \let\nonarrowing=\relax % @cartouche ... @end cartouche: draw rectangle w/rounded corners around % environment contents. \font\circle=lcircle10 \newdimen\circthick \newdimen\cartouter\newdimen\cartinner \newskip\normbskip\newskip\normpskip\newskip\normlskip \circthick=\fontdimen8\circle % \def\ctl{{\circle\char'013\hskip -6pt}}% 6pt from pl file: 1/2charwidth \def\ctr{{\hskip 6pt\circle\char'010}} \def\cbl{{\circle\char'012\hskip -6pt}} \def\cbr{{\hskip 6pt\circle\char'011}} \def\carttop{\hbox to \cartouter{\hskip\lskip \ctl\leaders\hrule height\circthick\hfil\ctr \hskip\rskip}} \def\cartbot{\hbox to \cartouter{\hskip\lskip \cbl\leaders\hrule height\circthick\hfil\cbr \hskip\rskip}} % \newskip\lskip\newskip\rskip \envdef\cartouche{% \ifhmode\par\fi % can't be in the midst of a paragraph. \startsavinginserts \lskip=\leftskip \rskip=\rightskip \leftskip=0pt\rightskip=0pt % we want these *outside*. \cartinner=\hsize \advance\cartinner by-\lskip \advance\cartinner by-\rskip \cartouter=\hsize \advance\cartouter by 18.4pt % allow for 3pt kerns on either % side, and for 6pt waste from % each corner char, and rule thickness \normbskip=\baselineskip \normpskip=\parskip \normlskip=\lineskip % Flag to tell @lisp, etc., not to narrow margin. \let\nonarrowing = t% % % If this cartouche directly follows a sectioning command, we need the % \parskip glue (backspaced over by default) or the cartouche can % collide with the section heading. \ifnum\lastpenalty>10000 \vskip\parskip \penalty\lastpenalty \fi % \vbox\bgroup \baselineskip=0pt\parskip=0pt\lineskip=0pt \carttop \hbox\bgroup \hskip\lskip \vrule\kern3pt \vbox\bgroup \kern3pt \hsize=\cartinner \baselineskip=\normbskip \lineskip=\normlskip \parskip=\normpskip \vskip -\parskip \comment % For explanation, see the end of def\group. } \def\Ecartouche{% \ifhmode\par\fi \kern3pt \egroup \kern3pt\vrule \hskip\rskip \egroup \cartbot \egroup \checkinserts } % This macro is called at the beginning of all the @example variants, % inside a group. \newdimen\nonfillparindent \def\nonfillstart{% \aboveenvbreak \hfuzz = 12pt % Don't be fussy \sepspaces % Make spaces be word-separators rather than space tokens. \let\par = \lisppar % don't ignore blank lines \obeylines % each line of input is a line of output \parskip = 0pt % Turn off paragraph indentation but redefine \indent to emulate % the normal \indent. \nonfillparindent=\parindent \parindent = 0pt \let\indent\nonfillindent % \emergencystretch = 0pt % don't try to avoid overfull boxes \ifx\nonarrowing\relax \advance \leftskip by \lispnarrowing \exdentamount=\lispnarrowing \else \let\nonarrowing = \relax \fi \let\exdent=\nofillexdent } \begingroup \obeyspaces % We want to swallow spaces (but not other tokens) after the fake % @indent in our nonfill-environments, where spaces are normally % active and set to @tie, resulting in them not being ignored after % @indent. \gdef\nonfillindent{\futurelet\temp\nonfillindentcheck}% \gdef\nonfillindentcheck{% \ifx\temp % \expandafter\nonfillindentgobble% \else% \leavevmode\nonfillindentbox% \fi% }% \endgroup \def\nonfillindentgobble#1{\nonfillindent} \def\nonfillindentbox{\hbox to \nonfillparindent{\hss}} % If you want all examples etc. small: @set dispenvsize small. % If you want even small examples the full size: @set dispenvsize nosmall. % This affects the following displayed environments: % @example, @display, @format, @lisp % \def\smallword{small} \def\nosmallword{nosmall} \let\SETdispenvsize\relax \def\setnormaldispenv{% \ifx\SETdispenvsize\smallword % end paragraph for sake of leading, in case document has no blank % line. This is redundant with what happens in \aboveenvbreak, but % we need to do it before changing the fonts, and it's inconvenient % to change the fonts afterward. \ifnum \lastpenalty=10000 \else \endgraf \fi \smallexamplefonts \rm \fi } \def\setsmalldispenv{% \ifx\SETdispenvsize\nosmallword \else \ifnum \lastpenalty=10000 \else \endgraf \fi \smallexamplefonts \rm \fi } % We often define two environments, @foo and @smallfoo. % Let's do it in one command. #1 is the env name, #2 the definition. \def\makedispenvdef#1#2{% \expandafter\envdef\csname#1\endcsname {\setnormaldispenv #2}% \expandafter\envdef\csname small#1\endcsname {\setsmalldispenv #2}% \expandafter\let\csname E#1\endcsname \afterenvbreak \expandafter\let\csname Esmall#1\endcsname \afterenvbreak } % Define two environment synonyms (#1 and #2) for an environment. \def\maketwodispenvdef#1#2#3{% \makedispenvdef{#1}{#3}% \makedispenvdef{#2}{#3}% } % % @lisp: indented, narrowed, typewriter font; % @example: same as @lisp. % % @smallexample and @smalllisp: use smaller fonts. % Originally contributed by Pavel@xerox. % \maketwodispenvdef{lisp}{example}{% \nonfillstart \tt\setupmarkupstyle{example}% \let\kbdfont = \kbdexamplefont % Allow @kbd to do something special. \gobble % eat return } % @display/@smalldisplay: same as @lisp except keep current font. % \makedispenvdef{display}{% \nonfillstart \gobble } % @format/@smallformat: same as @display except don't narrow margins. % \makedispenvdef{format}{% \let\nonarrowing = t% \nonfillstart \gobble } % @flushleft: same as @format, but doesn't obey \SETdispenvsize. \envdef\flushleft{% \let\nonarrowing = t% \nonfillstart \gobble } \let\Eflushleft = \afterenvbreak % @flushright. % \envdef\flushright{% \let\nonarrowing = t% \nonfillstart \advance\leftskip by 0pt plus 1fill\relax \gobble } \let\Eflushright = \afterenvbreak % @raggedright does more-or-less normal line breaking but no right % justification. From plain.tex. \envdef\raggedright{% \rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax } \let\Eraggedright\par \envdef\raggedleft{% \parindent=0pt \leftskip0pt plus2em \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt \hbadness=10000 % Last line will usually be underfull, so turn off % badness reporting. } \let\Eraggedleft\par \envdef\raggedcenter{% \parindent=0pt \rightskip0pt plus1em \leftskip0pt plus1em \spaceskip.3333em \xspaceskip.5em \parfillskip=0pt \hbadness=10000 % Last line will usually be underfull, so turn off % badness reporting. } \let\Eraggedcenter\par % @quotation does normal linebreaking (hence we can't use \nonfillstart) % and narrows the margins. We keep \parskip nonzero in general, since % we're doing normal filling. So, when using \aboveenvbreak and % \afterenvbreak, temporarily make \parskip 0. % \makedispenvdef{quotation}{\quotationstart} % \def\quotationstart{% {\parskip=0pt \aboveenvbreak}% because \aboveenvbreak inserts \parskip \parindent=0pt % % @cartouche defines \nonarrowing to inhibit narrowing at next level down. \ifx\nonarrowing\relax \advance\leftskip by \lispnarrowing \advance\rightskip by \lispnarrowing \exdentamount = \lispnarrowing \else \let\nonarrowing = \relax \fi \parsearg\quotationlabel } % We have retained a nonzero parskip for the environment, since we're % doing normal filling. % \def\Equotation{% \par \ifx\quotationauthor\thisisundefined\else % indent a bit. \leftline{\kern 2\leftskip \sl ---\quotationauthor}% \fi {\parskip=0pt \afterenvbreak}% } \def\Esmallquotation{\Equotation} % If we're given an argument, typeset it in bold with a colon after. \def\quotationlabel#1{% \def\temp{#1}% \ifx\temp\empty \else {\bf #1: }% \fi } % LaTeX-like @verbatim...@end verbatim and @verb{...} % If we want to allow any as delimiter, % we need the curly braces so that makeinfo sees the @verb command, eg: % `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org % % [Knuth]: Donald Ervin Knuth, 1996. The TeXbook. % % [Knuth] p.344; only we need to do the other characters Texinfo sets % active too. Otherwise, they get lost as the first character on a % verbatim line. \def\dospecials{% \do\ \do\\\do\{\do\}\do\$\do\&% \do\#\do\^\do\^^K\do\_\do\^^A\do\%\do\~% \do\<\do\>\do\|\do\@\do+\do\"% % Don't do the quotes -- if we do, @set txicodequoteundirected and % @set txicodequotebacktick will not have effect on @verb and % @verbatim, and ?` and !` ligatures won't get disabled. %\do\`\do\'% } % % [Knuth] p. 380 \def\uncatcodespecials{% \def\do##1{\catcode`##1=\other}\dospecials} % % Setup for the @verb command. % % Eight spaces for a tab \begingroup \catcode`\^^I=\active \gdef\tabeightspaces{\catcode`\^^I=\active\def^^I{\ \ \ \ \ \ \ \ }} \endgroup % \def\setupverb{% \tt % easiest (and conventionally used) font for verbatim \def\par{\leavevmode\endgraf}% \setupmarkupstyle{verb}% \tabeightspaces % Respect line breaks, % print special symbols as themselves, and % make each space count % must do in this order: \obeylines \uncatcodespecials \sepspaces } % Setup for the @verbatim environment % % Real tab expansion. \newdimen\tabw \setbox0=\hbox{\tt\space} \tabw=8\wd0 % tab amount % % We typeset each line of the verbatim in an \hbox, so we can handle % tabs. The \global is in case the verbatim line starts with an accent, % or some other command that starts with a begin-group. Otherwise, the % entire \verbbox would disappear at the corresponding end-group, before % it is typeset. Meanwhile, we can't have nested verbatim commands % (can we?), so the \global won't be overwriting itself. \newbox\verbbox \def\starttabbox{\global\setbox\verbbox=\hbox\bgroup} % \begingroup \catcode`\^^I=\active \gdef\tabexpand{% \catcode`\^^I=\active \def^^I{\leavevmode\egroup \dimen\verbbox=\wd\verbbox % the width so far, or since the previous tab \divide\dimen\verbbox by\tabw \multiply\dimen\verbbox by\tabw % compute previous multiple of \tabw \advance\dimen\verbbox by\tabw % advance to next multiple of \tabw \wd\verbbox=\dimen\verbbox \box\verbbox \starttabbox }% } \endgroup % start the verbatim environment. \def\setupverbatim{% \let\nonarrowing = t% \nonfillstart \tt % easiest (and conventionally used) font for verbatim % The \leavevmode here is for blank lines. Otherwise, we would % never \starttabox and the \egroup would end verbatim mode. \def\par{\leavevmode\egroup\box\verbbox\endgraf}% \tabexpand \setupmarkupstyle{verbatim}% % Respect line breaks, % print special symbols as themselves, and % make each space count. % Must do in this order: \obeylines \uncatcodespecials \sepspaces \everypar{\starttabbox}% } % Do the @verb magic: verbatim text is quoted by unique % delimiter characters. Before first delimiter expect a % right brace, after last delimiter expect closing brace: % % \def\doverb'{'#1'}'{#1} % % [Knuth] p. 382; only eat outer {} \begingroup \catcode`[=1\catcode`]=2\catcode`\{=\other\catcode`\}=\other \gdef\doverb{#1[\def\next##1#1}[##1\endgroup]\next] \endgroup % \def\verb{\begingroup\setupverb\doverb} % % % Do the @verbatim magic: define the macro \doverbatim so that % the (first) argument ends when '@end verbatim' is reached, ie: % % \def\doverbatim#1@end verbatim{#1} % % For Texinfo it's a lot easier than for LaTeX, % because texinfo's \verbatim doesn't stop at '\end{verbatim}': % we need not redefine '\', '{' and '}'. % % Inspired by LaTeX's verbatim command set [latex.ltx] % \begingroup \catcode`\ =\active \obeylines % % ignore everything up to the first ^^M, that's the newline at the end % of the @verbatim input line itself. Otherwise we get an extra blank % line in the output. \xdef\doverbatim#1^^M#2@end verbatim{#2\noexpand\end\gobble verbatim}% % We really want {...\end verbatim} in the body of the macro, but % without the active space; thus we have to use \xdef and \gobble. \endgroup % \envdef\verbatim{% \setupverbatim\doverbatim } \let\Everbatim = \afterenvbreak % @verbatiminclude FILE - insert text of file in verbatim environment. % \def\verbatiminclude{\parseargusing\filenamecatcodes\doverbatiminclude} % \def\doverbatiminclude#1{% {% \makevalueexpandable \setupverbatim \indexnofonts % Allow `@@' and other weird things in file names. \wlog{texinfo.tex: doing @verbatiminclude of #1^^J}% \input #1 \afterenvbreak }% } % @copying ... @end copying. % Save the text away for @insertcopying later. % % We save the uninterpreted tokens, rather than creating a box. % Saving the text in a box would be much easier, but then all the % typesetting commands (@smallbook, font changes, etc.) have to be done % beforehand -- and a) we want @copying to be done first in the source % file; b) letting users define the frontmatter in as flexible order as % possible is very desirable. % \def\copying{\checkenv{}\begingroup\scanargctxt\docopying} \def\docopying#1@end copying{\endgroup\def\copyingtext{#1}} % \def\insertcopying{% \begingroup \parindent = 0pt % paragraph indentation looks wrong on title page \scanexp\copyingtext \endgroup } \message{defuns,} % @defun etc. \newskip\defbodyindent \defbodyindent=.4in \newskip\defargsindent \defargsindent=50pt \newskip\deflastargmargin \deflastargmargin=18pt \newcount\defunpenalty % Start the processing of @deffn: \def\startdefun{% \ifnum\lastpenalty<10000 \medbreak \defunpenalty=10003 % Will keep this @deffn together with the % following @def command, see below. \else % If there are two @def commands in a row, we'll have a \nobreak, % which is there to keep the function description together with its % header. But if there's nothing but headers, we need to allow a % break somewhere. Check specifically for penalty 10002, inserted % by \printdefunline, instead of 10000, since the sectioning % commands also insert a nobreak penalty, and we don't want to allow % a break between a section heading and a defun. % % As a further refinement, we avoid "club" headers by signalling % with penalty of 10003 after the very first @deffn in the % sequence (see above), and penalty of 10002 after any following % @def command. \ifnum\lastpenalty=10002 \penalty2000 \else \defunpenalty=10002 \fi % % Similarly, after a section heading, do not allow a break. % But do insert the glue. \medskip % preceded by discardable penalty, so not a breakpoint \fi % \parindent=0in \advance\leftskip by \defbodyindent \exdentamount=\defbodyindent } \def\dodefunx#1{% % First, check whether we are in the right environment: \checkenv#1% % % As above, allow line break if we have multiple x headers in a row. % It's not a great place, though. \ifnum\lastpenalty=10002 \penalty3000 \else \defunpenalty=10002 \fi % % And now, it's time to reuse the body of the original defun: \expandafter\gobbledefun#1% } \def\gobbledefun#1\startdefun{} % \printdefunline \deffnheader{text} % \def\printdefunline#1#2{% \begingroup % call \deffnheader: #1#2 \endheader % common ending: \interlinepenalty = 10000 \advance\rightskip by 0pt plus 1fil\relax \endgraf \nobreak\vskip -\parskip \penalty\defunpenalty % signal to \startdefun and \dodefunx % Some of the @defun-type tags do not enable magic parentheses, % rendering the following check redundant. But we don't optimize. \checkparencounts \endgroup } \def\Edefun{\endgraf\medbreak} % \makedefun{deffn} creates \deffn, \deffnx and \Edeffn; % the only thing remaining is to define \deffnheader. % \def\makedefun#1{% \expandafter\let\csname E#1\endcsname = \Edefun \edef\temp{\noexpand\domakedefun \makecsname{#1}\makecsname{#1x}\makecsname{#1header}}% \temp } % \domakedefun \deffn \deffnx \deffnheader % % Define \deffn and \deffnx, without parameters. % \deffnheader has to be defined explicitly. % \def\domakedefun#1#2#3{% \envdef#1{% \startdefun \doingtypefnfalse % distinguish typed functions from all else \parseargusing\activeparens{\printdefunline#3}% }% \def#2{\dodefunx#1}% \def#3% } \newif\ifdoingtypefn % doing typed function? \newif\ifrettypeownline % typeset return type on its own line? % @deftypefnnewline on|off says whether the return type of typed functions % are printed on their own line. This affects @deftypefn, @deftypefun, % @deftypeop, and @deftypemethod. % \parseargdef\deftypefnnewline{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETtxideftypefnnl\endcsname = \empty \else\ifx\temp\offword \expandafter\let\csname SETtxideftypefnnl\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @txideftypefnnl value `\temp', must be on|off}% \fi\fi } % Untyped functions: % @deffn category name args \makedefun{deffn}{\deffngeneral{}} % @deffn category class name args \makedefun{defop}#1 {\defopon{#1\ \putwordon}} % \defopon {category on}class name args \def\defopon#1#2 {\deffngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } % \deffngeneral {subind}category name args % \def\deffngeneral#1#2 #3 #4\endheader{% % Remember that \dosubind{fn}{foo}{} is equivalent to \doind{fn}{foo}. \dosubind{fn}{\code{#3}}{#1}% \defname{#2}{}{#3}\magicamp\defunargs{#4\unskip}% } % Typed functions: % @deftypefn category type name args \makedefun{deftypefn}{\deftypefngeneral{}} % @deftypeop category class type name args \makedefun{deftypeop}#1 {\deftypeopon{#1\ \putwordon}} % \deftypeopon {category on}class type name args \def\deftypeopon#1#2 {\deftypefngeneral{\putwordon\ \code{#2}}{#1\ \code{#2}} } % \deftypefngeneral {subind}category type name args % \def\deftypefngeneral#1#2 #3 #4 #5\endheader{% \dosubind{fn}{\code{#4}}{#1}% \doingtypefntrue \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } % Typed variables: % @deftypevr category type var args \makedefun{deftypevr}{\deftypecvgeneral{}} % @deftypecv category class type var args \makedefun{deftypecv}#1 {\deftypecvof{#1\ \putwordof}} % \deftypecvof {category of}class type var args \def\deftypecvof#1#2 {\deftypecvgeneral{\putwordof\ \code{#2}}{#1\ \code{#2}} } % \deftypecvgeneral {subind}category type var args % \def\deftypecvgeneral#1#2 #3 #4 #5\endheader{% \dosubind{vr}{\code{#4}}{#1}% \defname{#2}{#3}{#4}\defunargs{#5\unskip}% } % Untyped variables: % @defvr category var args \makedefun{defvr}#1 {\deftypevrheader{#1} {} } % @defcv category class var args \makedefun{defcv}#1 {\defcvof{#1\ \putwordof}} % \defcvof {category of}class var args \def\defcvof#1#2 {\deftypecvof{#1}#2 {} } % Types: % @deftp category name args \makedefun{deftp}#1 #2 #3\endheader{% \doind{tp}{\code{#2}}% \defname{#1}{}{#2}\defunargs{#3\unskip}% } % Remaining @defun-like shortcuts: \makedefun{defun}{\deffnheader{\putwordDeffunc} } \makedefun{defmac}{\deffnheader{\putwordDefmac} } \makedefun{defspec}{\deffnheader{\putwordDefspec} } \makedefun{deftypefun}{\deftypefnheader{\putwordDeffunc} } \makedefun{defvar}{\defvrheader{\putwordDefvar} } \makedefun{defopt}{\defvrheader{\putwordDefopt} } \makedefun{deftypevar}{\deftypevrheader{\putwordDefvar} } \makedefun{defmethod}{\defopon\putwordMethodon} \makedefun{deftypemethod}{\deftypeopon\putwordMethodon} \makedefun{defivar}{\defcvof\putwordInstanceVariableof} \makedefun{deftypeivar}{\deftypecvof\putwordInstanceVariableof} % \defname, which formats the name of the @def (not the args). % #1 is the category, such as "Function". % #2 is the return type, if any. % #3 is the function name. % % We are followed by (but not passed) the arguments, if any. % \def\defname#1#2#3{% \par % Get the values of \leftskip and \rightskip as they were outside the @def... \advance\leftskip by -\defbodyindent % % Determine if we are typesetting the return type of a typed function % on a line by itself. \rettypeownlinefalse \ifdoingtypefn % doing a typed function specifically? % then check user option for putting return type on its own line: \expandafter\ifx\csname SETtxideftypefnnl\endcsname\relax \else \rettypeownlinetrue \fi \fi % % How we'll format the category name. Putting it in brackets helps % distinguish it from the body text that may end up on the next line % just below it. \def\temp{#1}% \setbox0=\hbox{\kern\deflastargmargin \ifx\temp\empty\else [\rm\temp]\fi} % % Figure out line sizes for the paragraph shape. We'll always have at % least two. \tempnum = 2 % % The first line needs space for \box0; but if \rightskip is nonzero, % we need only space for the part of \box0 which exceeds it: \dimen0=\hsize \advance\dimen0 by -\wd0 \advance\dimen0 by \rightskip % % If doing a return type on its own line, we'll have another line. \ifrettypeownline \advance\tempnum by 1 \def\maybeshapeline{0in \hsize}% \else \def\maybeshapeline{}% \fi % % The continuations: \dimen2=\hsize \advance\dimen2 by -\defargsindent % % The final paragraph shape: \parshape \tempnum 0in \dimen0 \maybeshapeline \defargsindent \dimen2 % % Put the category name at the right margin. \noindent \hbox to 0pt{% \hfil\box0 \kern-\hsize % \hsize has to be shortened this way: \kern\leftskip % Intentionally do not respect \rightskip, since we need the space. }% % % Allow all lines to be underfull without complaint: \tolerance=10000 \hbadness=10000 \exdentamount=\defbodyindent {% % defun fonts. We use typewriter by default (used to be bold) because: % . we're printing identifiers, they should be in tt in principle. % . in languages with many accents, such as Czech or French, it's % common to leave accents off identifiers. The result looks ok in % tt, but exceedingly strange in rm. % . we don't want -- and --- to be treated as ligatures. % . this still does not fix the ?` and !` ligatures, but so far no % one has made identifiers using them :). \df \tt \def\temp{#2}% text of the return type \ifx\temp\empty\else \tclose{\temp}% typeset the return type \ifrettypeownline % put return type on its own line; prohibit line break following: \hfil\vadjust{\nobreak}\break \else \space % type on same line, so just followed by a space \fi \fi % no return type #3% output function name }% {\rm\enskip}% hskip 0.5 em of \tenrm % \boldbrax % arguments will be output next, if any. } % Print arguments in slanted roman (not ttsl), inconsistently with using % tt for the name. This is because literal text is sometimes needed in % the argument list (groff manual), and ttsl and tt are not very % distinguishable. Prevent hyphenation at `-' chars. % \def\defunargs#1{% % use sl by default (not ttsl), % tt for the names. \df \sl \hyphenchar\font=0 % % On the other hand, if an argument has two dashes (for instance), we % want a way to get ttsl. Let's try @var for that. \def\var##1{{\setupmarkupstyle{var}\ttslanted{##1}}}% #1% \sl\hyphenchar\font=45 } % We want ()&[] to print specially on the defun line. % \def\activeparens{% \catcode`\(=\active \catcode`\)=\active \catcode`\[=\active \catcode`\]=\active \catcode`\&=\active } % Make control sequences which act like normal parenthesis chars. \let\lparen = ( \let\rparen = ) % Be sure that we always have a definition for `(', etc. For example, % if the fn name has parens in it, \boldbrax will not be in effect yet, % so TeX would otherwise complain about undefined control sequence. { \activeparens \global\let(=\lparen \global\let)=\rparen \global\let[=\lbrack \global\let]=\rbrack \global\let& = \& \gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb} \gdef\magicamp{\let&=\amprm} } \newcount\parencount % If we encounter &foo, then turn on ()-hacking afterwards \newif\ifampseen \def\amprm#1 {\ampseentrue{\bf\ }} \def\parenfont{% \ifampseen % At the first level, print parens in roman, % otherwise use the default font. \ifnum \parencount=1 \rm \fi \else % The \sf parens (in \boldbrax) actually are a little bolder than % the contained text. This is especially needed for [ and ] . \sf \fi } \def\infirstlevel#1{% \ifampseen \ifnum\parencount=1 #1% \fi \fi } \def\bfafterword#1 {#1 \bf} \def\opnr{% \global\advance\parencount by 1 {\parenfont(}% \infirstlevel \bfafterword } \def\clnr{% {\parenfont)}% \infirstlevel \sl \global\advance\parencount by -1 } \newcount\brackcount \def\lbrb{% \global\advance\brackcount by 1 {\bf[}% } \def\rbrb{% {\bf]}% \global\advance\brackcount by -1 } \def\checkparencounts{% \ifnum\parencount=0 \else \badparencount \fi \ifnum\brackcount=0 \else \badbrackcount \fi } % these should not use \errmessage; the glibc manual, at least, actually % has such constructs (when documenting function pointers). \def\badparencount{% \message{Warning: unbalanced parentheses in @def...}% \global\parencount=0 } \def\badbrackcount{% \message{Warning: unbalanced square brackets in @def...}% \global\brackcount=0 } \message{macros,} % @macro. % To do this right we need a feature of e-TeX, \scantokens, % which we arrange to emulate with a temporary file in ordinary TeX. \ifx\eTeXversion\thisisundefined \newwrite\macscribble \def\scantokens#1{% \toks0={#1}% \immediate\openout\macscribble=\jobname.tmp \immediate\write\macscribble{\the\toks0}% \immediate\closeout\macscribble \input \jobname.tmp } \fi \def\scanmacro#1{\begingroup \newlinechar`\^^M \let\xeatspaces\eatspaces % % Undo catcode changes of \startcontents and \doprintindex % When called from @insertcopying or (short)caption, we need active % backslash to get it printed correctly. Previously, we had % \catcode`\\=\other instead. We'll see whether a problem appears % with macro expansion. --kasal, 19aug04 \catcode`\@=0 \catcode`\\=\active \escapechar=`\@ % % ... and for \example: \spaceisspace % % The \empty here causes a following catcode 5 newline to be eaten as % part of reading whitespace after a control sequence. It does not % eat a catcode 13 newline. There's no good way to handle the two % cases (untried: maybe e-TeX's \everyeof could help, though plain TeX % would then have different behavior). See the Macro Details node in % the manual for the workaround we recommend for macros and % line-oriented commands. % \scantokens{#1\empty}% \endgroup} \def\scanexp#1{% \edef\temp{\noexpand\scanmacro{#1}}% \temp } \newcount\paramno % Count of parameters \newtoks\macname % Macro name \newif\ifrecursive % Is it recursive? % List of all defined macros in the form % \definedummyword\macro1\definedummyword\macro2... % Currently is also contains all @aliases; the list can be split % if there is a need. \def\macrolist{} % Add the macro to \macrolist \def\addtomacrolist#1{\expandafter \addtomacrolistxxx \csname#1\endcsname} \def\addtomacrolistxxx#1{% \toks0 = \expandafter{\macrolist\definedummyword#1}% \xdef\macrolist{\the\toks0}% } % Utility routines. % This does \let #1 = #2, with \csnames; that is, % \let \csname#1\endcsname = \csname#2\endcsname % (except of course we have to play expansion games). % \def\cslet#1#2{% \expandafter\let \csname#1\expandafter\endcsname \csname#2\endcsname } % Trim leading and trailing spaces off a string. % Concepts from aro-bend problem 15 (see CTAN). {\catcode`\@=11 \gdef\eatspaces #1{\expandafter\trim@\expandafter{#1 }} \gdef\trim@ #1{\trim@@ @#1 @ #1 @ @@} \gdef\trim@@ #1@ #2@ #3@@{\trim@@@\empty #2 @} \def\unbrace#1{#1} \unbrace{\gdef\trim@@@ #1 } #2@{#1} } % Trim a single trailing ^^M off a string. {\catcode`\^^M=\other \catcode`\Q=3% \gdef\eatcr #1{\eatcra #1Q^^MQ}% \gdef\eatcra#1^^MQ{\eatcrb#1Q}% \gdef\eatcrb#1Q#2Q{#1}% } % Macro bodies are absorbed as an argument in a context where % all characters are catcode 10, 11 or 12, except \ which is active % (as in normal texinfo). It is necessary to change the definition of \ % to recognize macro arguments; this is the job of \mbodybackslash. % % Non-ASCII encodings make 8-bit characters active, so un-activate % them to avoid their expansion. Must do this non-globally, to % confine the change to the current group. % % It's necessary to have hard CRs when the macro is executed. This is % done by making ^^M (\endlinechar) catcode 12 when reading the macro % body, and then making it the \newlinechar in \scanmacro. % \def\scanctxt{% used as subroutine \catcode`\"=\other \catcode`\+=\other \catcode`\<=\other \catcode`\>=\other \catcode`\@=\other \catcode`\^=\other \catcode`\_=\other \catcode`\|=\other \catcode`\~=\other \ifx\declaredencoding\ascii \else \setnonasciicharscatcodenonglobal\other \fi } \def\scanargctxt{% used for copying and captions, not macros. \scanctxt \catcode`\\=\other \catcode`\^^M=\other } \def\macrobodyctxt{% used for @macro definitions \scanctxt \catcode`\{=\other \catcode`\}=\other \catcode`\^^M=\other \usembodybackslash } \def\macroargctxt{% used when scanning invocations \scanctxt \catcode`\\=0 } % why catcode 0 for \ in the above? To recognize \\ \{ \} as "escapes" % for the single characters \ { }. Thus, we end up with the "commands" % that would be written @\ @{ @} in a Texinfo document. % % We already have @{ and @}. For @\, we define it here, and only for % this purpose, to produce a typewriter backslash (so, the @\ that we % define for @math can't be used with @macro calls): % \def\\{\normalbackslash}% % % We would like to do this for \, too, since that is what makeinfo does. % But it is not possible, because Texinfo already has a command @, for a % cedilla accent. Documents must use @comma{} instead. % % \anythingelse will almost certainly be an error of some kind. % \mbodybackslash is the definition of \ in @macro bodies. % It maps \foo\ => \csname macarg.foo\endcsname => #N % where N is the macro parameter number. % We define \csname macarg.\endcsname to be \realbackslash, so % \\ in macro replacement text gets you a backslash. % {\catcode`@=0 @catcode`@\=@active @gdef@usembodybackslash{@let\=@mbodybackslash} @gdef@mbodybackslash#1\{@csname macarg.#1@endcsname} } \expandafter\def\csname macarg.\endcsname{\realbackslash} \def\margbackslash#1{\char`\#1 } \def\macro{\recursivefalse\parsearg\macroxxx} \def\rmacro{\recursivetrue\parsearg\macroxxx} \def\macroxxx#1{% \getargs{#1}% now \macname is the macname and \argl the arglist \ifx\argl\empty % no arguments \paramno=0\relax \else \expandafter\parsemargdef \argl;% \if\paramno>256\relax \ifx\eTeXversion\thisisundefined \errhelp = \EMsimple \errmessage{You need eTeX to compile a file with macros with more than 256 arguments} \fi \fi \fi \if1\csname ismacro.\the\macname\endcsname \message{Warning: redefining \the\macname}% \else \expandafter\ifx\csname \the\macname\endcsname \relax \else \errmessage{Macro name \the\macname\space already defined}\fi \global\cslet{macsave.\the\macname}{\the\macname}% \global\expandafter\let\csname ismacro.\the\macname\endcsname=1% \addtomacrolist{\the\macname}% \fi \begingroup \macrobodyctxt \ifrecursive \expandafter\parsermacbody \else \expandafter\parsemacbody \fi} \parseargdef\unmacro{% \if1\csname ismacro.#1\endcsname \global\cslet{#1}{macsave.#1}% \global\expandafter\let \csname ismacro.#1\endcsname=0% % Remove the macro name from \macrolist: \begingroup \expandafter\let\csname#1\endcsname \relax \let\definedummyword\unmacrodo \xdef\macrolist{\macrolist}% \endgroup \else \errmessage{Macro #1 not defined}% \fi } % Called by \do from \dounmacro on each macro. The idea is to omit any % macro definitions that have been changed to \relax. % \def\unmacrodo#1{% \ifx #1\relax % remove this \else \noexpand\definedummyword \noexpand#1% \fi } % This makes use of the obscure feature that if the last token of a % is #, then the preceding argument is delimited by % an opening brace, and that opening brace is not consumed. \def\getargs#1{\getargsxxx#1{}} \def\getargsxxx#1#{\getmacname #1 \relax\getmacargs} \def\getmacname#1 #2\relax{\macname={#1}} \def\getmacargs#1{\def\argl{#1}} % For macro processing make @ a letter so that we can make Texinfo private macro names. \edef\texiatcatcode{\the\catcode`\@} \catcode `@=11\relax % Parse the optional {params} list. Set up \paramno and \paramlist % so \defmacro knows what to do. Define \macarg.BLAH for each BLAH % in the params list to some hook where the argument si to be expanded. If % there are less than 10 arguments that hook is to be replaced by ##N where N % is the position in that list, that is to say the macro arguments are to be % defined `a la TeX in the macro body. % % That gets used by \mbodybackslash (above). % % We need to get `macro parameter char #' into several definitions. % The technique used is stolen from LaTeX: let \hash be something % unexpandable, insert that wherever you need a #, and then redefine % it to # just before using the token list produced. % % The same technique is used to protect \eatspaces till just before % the macro is used. % % If there are 10 or more arguments, a different technique is used, where the % hook remains in the body, and when macro is to be expanded the body is % processed again to replace the arguments. % % In that case, the hook is \the\toks N-1, and we simply set \toks N-1 to the % argument N value and then \edef the body (nothing else will expand because of % the catcode regime underwhich the body was input). % % If you compile with TeX (not eTeX), and you have macros with 10 or more % arguments, you need that no macro has more than 256 arguments, otherwise an % error is produced. \def\parsemargdef#1;{% \paramno=0\def\paramlist{}% \let\hash\relax \let\xeatspaces\relax \parsemargdefxxx#1,;,% % In case that there are 10 or more arguments we parse again the arguments % list to set new definitions for the \macarg.BLAH macros corresponding to % each BLAH argument. It was anyhow needed to parse already once this list % in order to count the arguments, and as macros with at most 9 arguments % are by far more frequent than macro with 10 or more arguments, defining % twice the \macarg.BLAH macros does not cost too much processing power. \ifnum\paramno<10\relax\else \paramno0\relax \parsemmanyargdef@@#1,;,% 10 or more arguments \fi } \def\parsemargdefxxx#1,{% \if#1;\let\next=\relax \else \let\next=\parsemargdefxxx \advance\paramno by 1 \expandafter\edef\csname macarg.\eatspaces{#1}\endcsname {\xeatspaces{\hash\the\paramno}}% \edef\paramlist{\paramlist\hash\the\paramno,}% \fi\next} \def\parsemmanyargdef@@#1,{% \if#1;\let\next=\relax \else \let\next=\parsemmanyargdef@@ \edef\tempb{\eatspaces{#1}}% \expandafter\def\expandafter\tempa \expandafter{\csname macarg.\tempb\endcsname}% % Note that we need some extra \noexpand\noexpand, this is because we % don't want \the to be expanded in the \parsermacbody as it uses an % \xdef . \expandafter\edef\tempa {\noexpand\noexpand\noexpand\the\toks\the\paramno}% \advance\paramno by 1\relax \fi\next} % These two commands read recursive and nonrecursive macro bodies. % (They're different since rec and nonrec macros end differently.) % \catcode `\@\texiatcatcode \long\def\parsemacbody#1@end macro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% \long\def\parsermacbody#1@end rmacro% {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}% \catcode `\@=11\relax \let\endargs@\relax \let\nil@\relax \def\nilm@{\nil@}% \long\def\nillm@{\nil@}% % This macro is expanded during the Texinfo macro expansion, not during its % definition. It gets all the arguments values and assigns them to macros % macarg.ARGNAME % % #1 is the macro name % #2 is the list of argument names % #3 is the list of argument values \def\getargvals@#1#2#3{% \def\macargdeflist@{}% \def\saveparamlist@{#2}% Need to keep a copy for parameter expansion. \def\paramlist{#2,\nil@}% \def\macroname{#1}% \begingroup \macroargctxt \def\argvaluelist{#3,\nil@}% \def\@tempa{#3}% \ifx\@tempa\empty \setemptyargvalues@ \else \getargvals@@ \fi } % \def\getargvals@@{% \ifx\paramlist\nilm@ % Some sanity check needed here that \argvaluelist is also empty. \ifx\argvaluelist\nillm@ \else \errhelp = \EMsimple \errmessage{Too many arguments in macro `\macroname'!}% \fi \let\next\macargexpandinbody@ \else \ifx\argvaluelist\nillm@ % No more arguments values passed to macro. Set remaining named-arg % macros to empty. \let\next\setemptyargvalues@ \else % pop current arg name into \@tempb \def\@tempa##1{\pop@{\@tempb}{\paramlist}##1\endargs@}% \expandafter\@tempa\expandafter{\paramlist}% % pop current argument value into \@tempc \def\@tempa##1{\longpop@{\@tempc}{\argvaluelist}##1\endargs@}% \expandafter\@tempa\expandafter{\argvaluelist}% % Here \@tempb is the current arg name and \@tempc is the current arg value. % First place the new argument macro definition into \@tempd \expandafter\macname\expandafter{\@tempc}% \expandafter\let\csname macarg.\@tempb\endcsname\relax \expandafter\def\expandafter\@tempe\expandafter{% \csname macarg.\@tempb\endcsname}% \edef\@tempd{\long\def\@tempe{\the\macname}}% \push@\@tempd\macargdeflist@ \let\next\getargvals@@ \fi \fi \next } \def\push@#1#2{% \expandafter\expandafter\expandafter\def \expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{% \expandafter#1#2}% } % Replace arguments by their values in the macro body, and place the result % in macro \@tempa \def\macvalstoargs@{% % To do this we use the property that token registers that are \the'ed % within an \edef expand only once. So we are going to place all argument % values into respective token registers. % % First we save the token context, and initialize argument numbering. \begingroup \paramno0\relax % Then, for each argument number #N, we place the corresponding argument % value into a new token list register \toks#N \expandafter\putargsintokens@\saveparamlist@,;,% % Then, we expand the body so that argument are replaced by their % values. The trick for values not to be expanded themselves is that they % are within tokens and that tokens expand only once in an \edef . \edef\@tempc{\csname mac.\macroname .body\endcsname}% % Now we restore the token stack pointer to free the token list registers % which we have used, but we make sure that expanded body is saved after % group. \expandafter \endgroup \expandafter\def\expandafter\@tempa\expandafter{\@tempc}% } \def\macargexpandinbody@{% %% Define the named-macro outside of this group and then close this group. \expandafter \endgroup \macargdeflist@ % First the replace in body the macro arguments by their values, the result % is in \@tempa . \macvalstoargs@ % Then we point at the \norecurse or \gobble (for recursive) macro value % with \@tempb . \expandafter\let\expandafter\@tempb\csname mac.\macroname .recurse\endcsname % Depending on whether it is recursive or not, we need some tailing % \egroup . \ifx\@tempb\gobble \let\@tempc\relax \else \let\@tempc\egroup \fi % And now we do the real job: \edef\@tempd{\noexpand\@tempb{\macroname}\noexpand\scanmacro{\@tempa}\@tempc}% \@tempd } \def\putargsintokens@#1,{% \if#1;\let\next\relax \else \let\next\putargsintokens@ % First we allocate the new token list register, and give it a temporary % alias \@tempb . \toksdef\@tempb\the\paramno % Then we place the argument value into that token list register. \expandafter\let\expandafter\@tempa\csname macarg.#1\endcsname \expandafter\@tempb\expandafter{\@tempa}% \advance\paramno by 1\relax \fi \next } % Save the token stack pointer into macro #1 \def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}} % Restore the token stack pointer from number in macro #1 \def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax} % newtoks that can be used non \outer . \def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi} % Tailing missing arguments are set to empty \def\setemptyargvalues@{% \ifx\paramlist\nilm@ \let\next\macargexpandinbody@ \else \expandafter\setemptyargvaluesparser@\paramlist\endargs@ \let\next\setemptyargvalues@ \fi \next } \def\setemptyargvaluesparser@#1,#2\endargs@{% \expandafter\def\expandafter\@tempa\expandafter{% \expandafter\def\csname macarg.#1\endcsname{}}% \push@\@tempa\macargdeflist@ \def\paramlist{#2}% } % #1 is the element target macro % #2 is the list macro % #3,#4\endargs@ is the list value \def\pop@#1#2#3,#4\endargs@{% \def#1{#3}% \def#2{#4}% } \long\def\longpop@#1#2#3,#4\endargs@{% \long\def#1{#3}% \long\def#2{#4}% } % This defines a Texinfo @macro. There are eight cases: recursive and % nonrecursive macros of zero, one, up to nine, and many arguments. % Much magic with \expandafter here. % \xdef is used so that macro definitions will survive the file % they're defined in; @include reads the file inside a group. % \def\defmacro{% \let\hash=##% convert placeholders to macro parameter chars \ifrecursive \ifcase\paramno % 0 \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\scanmacro{\temp}}% \or % 1 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\braceorline \expandafter\noexpand\csname\the\macname xxx\endcsname}% \expandafter\xdef\csname\the\macname xxx\endcsname##1{% \egroup\noexpand\scanmacro{\temp}}% \else \ifnum\paramno<10\relax % at most 9 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\csname\the\macname xx\endcsname}% \expandafter\xdef\csname\the\macname xx\endcsname##1{% \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% \expandafter\expandafter \expandafter\xdef \expandafter\expandafter \csname\the\macname xxx\endcsname \paramlist{\egroup\noexpand\scanmacro{\temp}}% \else % 10 or more \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\getargvals@{\the\macname}{\argl}% }% \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\gobble \fi \fi \else \ifcase\paramno % 0 \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \or % 1 \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \noexpand\braceorline \expandafter\noexpand\csname\the\macname xxx\endcsname}% \expandafter\xdef\csname\the\macname xxx\endcsname##1{% \egroup \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \else % at most 9 \ifnum\paramno<10\relax \expandafter\xdef\csname\the\macname\endcsname{% \bgroup\noexpand\macroargctxt \expandafter\noexpand\csname\the\macname xx\endcsname}% \expandafter\xdef\csname\the\macname xx\endcsname##1{% \expandafter\noexpand\csname\the\macname xxx\endcsname ##1,}% \expandafter\expandafter \expandafter\xdef \expandafter\expandafter \csname\the\macname xxx\endcsname \paramlist{% \egroup \noexpand\norecurse{\the\macname}% \noexpand\scanmacro{\temp}\egroup}% \else % 10 or more: \expandafter\xdef\csname\the\macname\endcsname{% \noexpand\getargvals@{\the\macname}{\argl}% }% \global\expandafter\let\csname mac.\the\macname .body\endcsname\temp \global\expandafter\let\csname mac.\the\macname .recurse\endcsname\norecurse \fi \fi \fi} \catcode `\@\texiatcatcode\relax \def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}} % \braceorline decides whether the next nonwhitespace character is a % {. If so it reads up to the closing }, if not, it reads the whole % line. Whatever was read is then fed to the next control sequence % as an argument (by \parsebrace or \parsearg). % \def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx} \def\braceorlinexxx{% \ifx\nchar\bgroup\else \expandafter\parsearg \fi \macnamexxx} % @alias. % We need some trickery to remove the optional spaces around the equal % sign. Make them active and then expand them all to nothing. % \def\alias{\parseargusing\obeyspaces\aliasxxx} \def\aliasxxx #1{\aliasyyy#1\relax} \def\aliasyyy #1=#2\relax{% {% \expandafter\let\obeyedspace=\empty \addtomacrolist{#1}% \xdef\next{\global\let\makecsname{#1}=\makecsname{#2}}% }% \next } \message{cross references,} \newwrite\auxfile \newif\ifhavexrefs % True if xref values are known. \newif\ifwarnedxrefs % True if we warned once that they aren't known. % @inforef is relatively simple. \def\inforef #1{\inforefzzz #1,,,,**} \def\inforefzzz #1,#2,#3,#4**{% \putwordSee{} \putwordInfo{} \putwordfile{} \file{\ignorespaces #3{}}, node \samp{\ignorespaces#1{}}} % @node's only job in TeX is to define \lastnode, which is used in % cross-references. The @node line might or might not have commas, and % might or might not have spaces before the first comma, like: % @node foo , bar , ... % We don't want such trailing spaces in the node name. % \parseargdef\node{\checkenv{}\donode #1 ,\finishnodeparse} % % also remove a trailing comma, in case of something like this: % @node Help-Cross, , , Cross-refs \def\donode#1 ,#2\finishnodeparse{\dodonode #1,\finishnodeparse} \def\dodonode#1,#2\finishnodeparse{\gdef\lastnode{#1}} \let\nwnode=\node \let\lastnode=\empty % Write a cross-reference definition for the current node. #1 is the % type (Ynumbered, Yappendix, Ynothing). % \def\donoderef#1{% \ifx\lastnode\empty\else \setref{\lastnode}{#1}% \global\let\lastnode=\empty \fi } % @anchor{NAME} -- define xref target at arbitrary point. % \newcount\savesfregister % \def\savesf{\relax \ifhmode \savesfregister=\spacefactor \fi} \def\restoresf{\relax \ifhmode \spacefactor=\savesfregister \fi} \def\anchor#1{\savesf \setref{#1}{Ynothing}\restoresf \ignorespaces} % \setref{NAME}{SNT} defines a cross-reference point NAME (a node or an % anchor), which consists of three parts: % 1) NAME-title - the current sectioning name taken from \lastsection, % or the anchor name. % 2) NAME-snt - section number and type, passed as the SNT arg, or % empty for anchors. % 3) NAME-pg - the page number. % % This is called from \donoderef, \anchor, and \dofloat. In the case of % floats, there is an additional part, which is not written here: % 4) NAME-lof - the text as it should appear in a @listoffloats. % \def\setref#1#2{% \pdfmkdest{#1}% \iflinks {% \atdummies % preserve commands, but don't expand them \edef\writexrdef##1##2{% \write\auxfile{@xrdef{#1-% #1 of \setref, expanded by the \edef ##1}{##2}}% these are parameters of \writexrdef }% \toks0 = \expandafter{\lastsection}% \immediate \writexrdef{title}{\the\toks0 }% \immediate \writexrdef{snt}{\csname #2\endcsname}% \Ynumbered etc. \safewhatsit{\writexrdef{pg}{\folio}}% will be written later, at \shipout }% \fi } % @xrefautosectiontitle on|off says whether @section(ing) names are used % automatically in xrefs, if the third arg is not explicitly specified. % This was provided as a "secret" @set xref-automatic-section-title % variable, now it's official. % \parseargdef\xrefautomaticsectiontitle{% \def\temp{#1}% \ifx\temp\onword \expandafter\let\csname SETxref-automatic-section-title\endcsname = \empty \else\ifx\temp\offword \expandafter\let\csname SETxref-automatic-section-title\endcsname = \relax \else \errhelp = \EMsimple \errmessage{Unknown @xrefautomaticsectiontitle value `\temp', must be on|off}% \fi\fi } % @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is % the node name, #2 the name of the Info cross-reference, #3 the printed % node name, #4 the name of the Info file, #5 the name of the printed % manual. All but the node name can be omitted. % \def\pxref#1{\putwordsee{} \xrefX[#1,,,,,,,]} \def\xref#1{\putwordSee{} \xrefX[#1,,,,,,,]} \def\ref#1{\xrefX[#1,,,,,,,]} % \newbox\topbox \newbox\printedrefnamebox \newbox\printedmanualbox % \def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup \unsepspaces % \def\printedrefname{\ignorespaces #3}% \setbox\printedrefnamebox = \hbox{\printedrefname\unskip}% % \def\printedmanual{\ignorespaces #5}% \setbox\printedmanualbox = \hbox{\printedmanual\unskip}% % % If the printed reference name (arg #3) was not explicitly given in % the @xref, figure out what we want to use. \ifdim \wd\printedrefnamebox = 0pt % No printed node name was explicitly given. \expandafter\ifx\csname SETxref-automatic-section-title\endcsname \relax % Not auto section-title: use node name inside the square brackets. \def\printedrefname{\ignorespaces #1}% \else % Auto section-title: use chapter/section title inside % the square brackets if we have it. \ifdim \wd\printedmanualbox > 0pt % It is in another manual, so we don't have it; use node name. \def\printedrefname{\ignorespaces #1}% \else \ifhavexrefs % We (should) know the real title if we have the xref values. \def\printedrefname{\refx{#1-title}{}}% \else % Otherwise just copy the Info node name. \def\printedrefname{\ignorespaces #1}% \fi% \fi \fi \fi % % Make link in pdf output. \ifpdf {\indexnofonts \turnoffactive \makevalueexpandable % This expands tokens, so do it after making catcode changes, so _ % etc. don't get their TeX definitions. \getfilename{#4}% % \edef\pdfxrefdest{#1}% \txiescapepdf\pdfxrefdest % \leavevmode \startlink attr{/Border [0 0 0]}% \ifnum\filenamelength>0 goto file{\the\filename.pdf} name{\pdfxrefdest}% \else goto name{\pdfmkpgn{\pdfxrefdest}}% \fi }% \setcolor{\linkcolor}% \fi % % Float references are printed completely differently: "Figure 1.2" % instead of "[somenode], p.3". We distinguish them by the % LABEL-title being set to a magic string. {% % Have to otherify everything special to allow the \csname to % include an _ in the xref name, etc. \indexnofonts \turnoffactive \expandafter\global\expandafter\let\expandafter\Xthisreftitle \csname XR#1-title\endcsname }% \iffloat\Xthisreftitle % If the user specified the print name (third arg) to the ref, % print it instead of our usual "Figure 1.2". \ifdim\wd\printedrefnamebox = 0pt \refx{#1-snt}{}% \else \printedrefname \fi % % if the user also gave the printed manual name (fifth arg), append % "in MANUALNAME". \ifdim \wd\printedmanualbox > 0pt \space \putwordin{} \cite{\printedmanual}% \fi \else % node/anchor (non-float) references. % % If we use \unhbox to print the node names, TeX does not insert % empty discretionaries after hyphens, which means that it will not % find a line break at a hyphen in a node names. Since some manuals % are best written with fairly long node names, containing hyphens, % this is a loss. Therefore, we give the text of the node name % again, so it is as if TeX is seeing it for the first time. % % Cross-manual reference. Only include the "Section ``foo'' in" if % the foo is neither missing or Top. Thus, @xref{,,,foo,The Foo Manual} % outputs simply "see The Foo Manual". \ifdim \wd\printedmanualbox > 0pt % What is the 7sp about? The idea is that we also want to omit % the Section part if we would be printing "Top", since they are % clearly trying to refer to the whole manual. But, this being % TeX, we can't easily compare strings while ignoring the possible % spaces before and after in the input. By adding the arbitrary % 7sp, we make it much less likely that a real node name would % happen to have the same width as "Top" (e.g., in a monospaced font). % I hope it will never happen in practice. % % For the same basic reason, we retypeset the "Top" at every % reference, since the current font is indeterminate. % \setbox\topbox = \hbox{Top\kern7sp}% \setbox2 = \hbox{\ignorespaces \printedrefname \unskip \kern7sp}% \ifdim \wd2 > 7sp \ifdim \wd2 = \wd\topbox \else \putwordSection{} ``\printedrefname'' \putwordin{}\space \fi \fi \cite{\printedmanual}% \else % Reference in this manual. % % _ (for example) has to be the character _ for the purposes of the % control sequence corresponding to the node, but it has to expand % into the usual \leavevmode...\vrule stuff for purposes of % printing. So we \turnoffactive for the \refx-snt, back on for the % printing, back off for the \refx-pg. {\turnoffactive % Only output a following space if the -snt ref is nonempty; for % @unnumbered and @anchor, it won't be. \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi }% % output the `[mynode]' via the macro below so it can be overridden. \xrefprintnodename\printedrefname % % But we always want a comma and a space: ,\space % % output the `page 3'. \turnoffactive \putwordpage\tie\refx{#1-pg}{}% \fi \fi \endlink \endgroup} % This macro is called from \xrefX for the `[nodename]' part of xref % output. It's a separate macro only so it can be changed more easily, % since square brackets don't work well in some documents. Particularly % one that Bob is working on :). % \def\xrefprintnodename#1{[#1]} % Things referred to by \setref. % \def\Ynothing{} \def\Yomitfromtoc{} \def\Ynumbered{% \ifnum\secno=0 \putwordChapter@tie \the\chapno \else \ifnum\subsecno=0 \putwordSection@tie \the\chapno.\the\secno \else \ifnum\subsubsecno=0 \putwordSection@tie \the\chapno.\the\secno.\the\subsecno \else \putwordSection@tie \the\chapno.\the\secno.\the\subsecno.\the\subsubsecno \fi\fi\fi } \def\Yappendix{% \ifnum\secno=0 \putwordAppendix@tie @char\the\appendixno{}% \else \ifnum\subsecno=0 \putwordSection@tie @char\the\appendixno.\the\secno \else \ifnum\subsubsecno=0 \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno \else \putwordSection@tie @char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno \fi\fi\fi } % Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME. % If its value is nonempty, SUFFIX is output afterward. % \def\refx#1#2{% {% \indexnofonts \otherbackslash \expandafter\global\expandafter\let\expandafter\thisrefX \csname XR#1\endcsname }% \ifx\thisrefX\relax % If not defined, say something at least. \angleleft un\-de\-fined\angleright \iflinks \ifhavexrefs {\toks0 = {#1}% avoid expansion of possibly-complex value \message{\linenumber Undefined cross reference `\the\toks0'.}}% \else \ifwarnedxrefs\else \global\warnedxrefstrue \message{Cross reference values unknown; you must run TeX again.}% \fi \fi \fi \else % It's defined, so just use it. \thisrefX \fi #2% Output the suffix in any case. } % This is the macro invoked by entries in the aux file. Usually it's % just a \def (we prepend XR to the control sequence name to avoid % collisions). But if this is a float type, we have more work to do. % \def\xrdef#1#2{% {% The node name might contain 8-bit characters, which in our current % implementation are changed to commands like @'e. Don't let these % mess up the control sequence name. \indexnofonts \turnoffactive \xdef\safexrefname{#1}% }% % \expandafter\gdef\csname XR\safexrefname\endcsname{#2}% remember this xref % % Was that xref control sequence that we just defined for a float? \expandafter\iffloat\csname XR\safexrefname\endcsname % it was a float, and we have the (safe) float type in \iffloattype. \expandafter\let\expandafter\floatlist \csname floatlist\iffloattype\endcsname % % Is this the first time we've seen this float type? \expandafter\ifx\floatlist\relax \toks0 = {\do}% yes, so just \do \else % had it before, so preserve previous elements in list. \toks0 = \expandafter{\floatlist\do}% \fi % % Remember this xref in the control sequence \floatlistFLOATTYPE, % for later use in \listoffloats. \expandafter\xdef\csname floatlist\iffloattype\endcsname{\the\toks0 {\safexrefname}}% \fi } % Read the last existing aux file, if any. No error if none exists. % \def\tryauxfile{% \openin 1 \jobname.aux \ifeof 1 \else \readdatafile{aux}% \global\havexrefstrue \fi \closein 1 } \def\setupdatafile{% \catcode`\^^@=\other \catcode`\^^A=\other \catcode`\^^B=\other \catcode`\^^C=\other \catcode`\^^D=\other \catcode`\^^E=\other \catcode`\^^F=\other \catcode`\^^G=\other \catcode`\^^H=\other \catcode`\^^K=\other \catcode`\^^L=\other \catcode`\^^N=\other \catcode`\^^P=\other \catcode`\^^Q=\other \catcode`\^^R=\other \catcode`\^^S=\other \catcode`\^^T=\other \catcode`\^^U=\other \catcode`\^^V=\other \catcode`\^^W=\other \catcode`\^^X=\other \catcode`\^^Z=\other \catcode`\^^[=\other \catcode`\^^\=\other \catcode`\^^]=\other \catcode`\^^^=\other \catcode`\^^_=\other % It was suggested to set the catcode of ^ to 7, which would allow ^^e4 etc. % in xref tags, i.e., node names. But since ^^e4 notation isn't % supported in the main text, it doesn't seem desirable. Furthermore, % that is not enough: for node names that actually contain a ^ % character, we would end up writing a line like this: 'xrdef {'hat % b-title}{'hat b} and \xrdef does a \csname...\endcsname on the first % argument, and \hat is not an expandable control sequence. It could % all be worked out, but why? Either we support ^^ or we don't. % % The other change necessary for this was to define \auxhat: % \def\auxhat{\def^{'hat }}% extra space so ok if followed by letter % and then to call \auxhat in \setq. % \catcode`\^=\other % % Special characters. Should be turned off anyway, but... \catcode`\~=\other \catcode`\[=\other \catcode`\]=\other \catcode`\"=\other \catcode`\_=\other \catcode`\|=\other \catcode`\<=\other \catcode`\>=\other \catcode`\$=\other \catcode`\#=\other \catcode`\&=\other \catcode`\%=\other \catcode`+=\other % avoid \+ for paranoia even though we've turned it off % % This is to support \ in node names and titles, since the \ % characters end up in a \csname. It's easier than % leaving it active and making its active definition an actual \ % character. What I don't understand is why it works in the *value* % of the xrdef. Seems like it should be a catcode12 \, and that % should not typeset properly. But it works, so I'm moving on for % now. --karl, 15jan04. \catcode`\\=\other % % Make the characters 128-255 be printing characters. {% \count1=128 \def\loop{% \catcode\count1=\other \advance\count1 by 1 \ifnum \count1<256 \loop \fi }% }% % % @ is our escape character in .aux files, and we need braces. \catcode`\{=1 \catcode`\}=2 \catcode`\@=0 } \def\readdatafile#1{% \begingroup \setupdatafile \input\jobname.#1 \endgroup} \message{insertions,} % including footnotes. \newcount \footnoteno % The trailing space in the following definition for supereject is % vital for proper filling; pages come out unaligned when you do a % pagealignmacro call if that space before the closing brace is % removed. (Generally, numeric constants should always be followed by a % space to prevent strange expansion errors.) \def\supereject{\par\penalty -20000\footnoteno =0 } % @footnotestyle is meaningful for Info output only. \let\footnotestyle=\comment {\catcode `\@=11 % % Auto-number footnotes. Otherwise like plain. \gdef\footnote{% \let\indent=\ptexindent \let\noindent=\ptexnoindent \global\advance\footnoteno by \@ne \edef\thisfootno{$^{\the\footnoteno}$}% % % In case the footnote comes at the end of a sentence, preserve the % extra spacing after we do the footnote number. \let\@sf\empty \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi % % Remove inadvertent blank space before typesetting the footnote number. \unskip \thisfootno\@sf \dofootnote }% % Don't bother with the trickery in plain.tex to not require the % footnote text as a parameter. Our footnotes don't need to be so general. % % Oh yes, they do; otherwise, @ifset (and anything else that uses % \parseargline) fails inside footnotes because the tokens are fixed when % the footnote is read. --karl, 16nov96. % \gdef\dofootnote{% \insert\footins\bgroup % We want to typeset this text as a normal paragraph, even if the % footnote reference occurs in (for example) a display environment. % So reset some parameters. \hsize=\pagewidth \interlinepenalty\interfootnotelinepenalty \splittopskip\ht\strutbox % top baseline for broken footnotes \splitmaxdepth\dp\strutbox \floatingpenalty\@MM \leftskip\z@skip \rightskip\z@skip \spaceskip\z@skip \xspaceskip\z@skip \parindent\defaultparindent % \smallfonts \rm % % Because we use hanging indentation in footnotes, a @noindent appears % to exdent this text, so make it be a no-op. makeinfo does not use % hanging indentation so @noindent can still be needed within footnote % text after an @example or the like (not that this is good style). \let\noindent = \relax % % Hang the footnote text off the number. Use \everypar in case the % footnote extends for more than one paragraph. \everypar = {\hang}% \textindent{\thisfootno}% % % Don't crash into the line above the footnote text. Since this % expands into a box, it must come within the paragraph, lest it % provide a place where TeX can split the footnote. \footstrut % % Invoke rest of plain TeX footnote routine. \futurelet\next\fo@t } }%end \catcode `\@=11 % In case a @footnote appears in a vbox, save the footnote text and create % the real \insert just after the vbox finished. Otherwise, the insertion % would be lost. % Similarly, if a @footnote appears inside an alignment, save the footnote % text to a box and make the \insert when a row of the table is finished. % And the same can be done for other insert classes. --kasal, 16nov03. % Replace the \insert primitive by a cheating macro. % Deeper inside, just make sure that the saved insertions are not spilled % out prematurely. % \def\startsavinginserts{% \ifx \insert\ptexinsert \let\insert\saveinsert \else \let\checkinserts\relax \fi } % This \insert replacement works for both \insert\footins{foo} and % \insert\footins\bgroup foo\egroup, but it doesn't work for \insert27{foo}. % \def\saveinsert#1{% \edef\next{\noexpand\savetobox \makeSAVEname#1}% \afterassignment\next % swallow the left brace \let\temp = } \def\makeSAVEname#1{\makecsname{SAVE\expandafter\gobble\string#1}} \def\savetobox#1{\global\setbox#1 = \vbox\bgroup \unvbox#1} \def\checksaveins#1{\ifvoid#1\else \placesaveins#1\fi} \def\placesaveins#1{% \ptexinsert \csname\expandafter\gobblesave\string#1\endcsname {\box#1}% } % eat @SAVE -- beware, all of them have catcode \other: { \def\dospecials{\do S\do A\do V\do E} \uncatcodespecials % ;-) \gdef\gobblesave @SAVE{} } % initialization: \def\newsaveins #1{% \edef\next{\noexpand\newsaveinsX \makeSAVEname#1}% \next } \def\newsaveinsX #1{% \csname newbox\endcsname #1% \expandafter\def\expandafter\checkinserts\expandafter{\checkinserts \checksaveins #1}% } % initialize: \let\checkinserts\empty \newsaveins\footins \newsaveins\margin % @image. We use the macros from epsf.tex to support this. % If epsf.tex is not installed and @image is used, we complain. % % Check for and read epsf.tex up front. If we read it only at @image % time, we might be inside a group, and then its definitions would get % undone and the next image would fail. \openin 1 = epsf.tex \ifeof 1 \else % Do not bother showing banner with epsf.tex v2.7k (available in % doc/epsf.tex and on ctan). \def\epsfannounce{\toks0 = }% \input epsf.tex \fi \closein 1 % % We will only complain once about lack of epsf.tex. \newif\ifwarnednoepsf \newhelp\noepsfhelp{epsf.tex must be installed for images to work. It is also included in the Texinfo distribution, or you can get it from ftp://tug.org/tex/epsf.tex.} % \def\image#1{% \ifx\epsfbox\thisisundefined \ifwarnednoepsf \else \errhelp = \noepsfhelp \errmessage{epsf.tex not found, images will be ignored}% \global\warnednoepsftrue \fi \else \imagexxx #1,,,,,\finish \fi } % % Arguments to @image: % #1 is (mandatory) image filename; we tack on .eps extension. % #2 is (optional) width, #3 is (optional) height. % #4 is (ignored optional) html alt text. % #5 is (ignored optional) extension. % #6 is just the usual extra ignored arg for parsing stuff. \newif\ifimagevmode \def\imagexxx#1,#2,#3,#4,#5,#6\finish{\begingroup \catcode`\^^M = 5 % in case we're inside an example \normalturnoffactive % allow _ et al. in names % If the image is by itself, center it. \ifvmode \imagevmodetrue \else \ifx\centersub\centerV % for @center @image, we need a vbox so we can have our vertical space \imagevmodetrue \vbox\bgroup % vbox has better behavior than vtop herev \fi\fi % \ifimagevmode \nobreak\medskip % Usually we'll have text after the image which will insert % \parskip glue, so insert it here too to equalize the space % above and below. \nobreak\vskip\parskip \nobreak \fi % % Leave vertical mode so that indentation from an enclosing % environment such as @quotation is respected. % However, if we're at the top level, we don't want the % normal paragraph indentation. % On the other hand, if we are in the case of @center @image, we don't % want to start a paragraph, which will create a hsize-width box and % eradicate the centering. \ifx\centersub\centerV\else \noindent \fi % % Output the image. \ifpdf \dopdfimage{#1}{#2}{#3}% \else % \epsfbox itself resets \epsf?size at each figure. \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \epsfxsize=#2\relax \fi \setbox0 = \hbox{\ignorespaces #3}\ifdim\wd0 > 0pt \epsfysize=#3\relax \fi \epsfbox{#1.eps}% \fi % \ifimagevmode \medskip % space after a standalone image \fi \ifx\centersub\centerV \egroup \fi \endgroup} % @float FLOATTYPE,LABEL,LOC ... @end float for displayed figures, tables, % etc. We don't actually implement floating yet, we always include the % float "here". But it seemed the best name for the future. % \envparseargdef\float{\eatcommaspace\eatcommaspace\dofloat#1, , ,\finish} % There may be a space before second and/or third parameter; delete it. \def\eatcommaspace#1, {#1,} % #1 is the optional FLOATTYPE, the text label for this float, typically % "Figure", "Table", "Example", etc. Can't contain commas. If omitted, % this float will not be numbered and cannot be referred to. % % #2 is the optional xref label. Also must be present for the float to % be referable. % % #3 is the optional positioning argument; for now, it is ignored. It % will somehow specify the positions allowed to float to (here, top, bottom). % % We keep a separate counter for each FLOATTYPE, which we reset at each % chapter-level command. \let\resetallfloatnos=\empty % \def\dofloat#1,#2,#3,#4\finish{% \let\thiscaption=\empty \let\thisshortcaption=\empty % % don't lose footnotes inside @float. % % BEWARE: when the floats start float, we have to issue warning whenever an % insert appears inside a float which could possibly float. --kasal, 26may04 % \startsavinginserts % % We can't be used inside a paragraph. \par % \vtop\bgroup \def\floattype{#1}% \def\floatlabel{#2}% \def\floatloc{#3}% we do nothing with this yet. % \ifx\floattype\empty \let\safefloattype=\empty \else {% % the floattype might have accents or other special characters, % but we need to use it in a control sequence name. \indexnofonts \turnoffactive \xdef\safefloattype{\floattype}% }% \fi % % If label is given but no type, we handle that as the empty type. \ifx\floatlabel\empty \else % We want each FLOATTYPE to be numbered separately (Figure 1, % Table 1, Figure 2, ...). (And if no label, no number.) % \expandafter\getfloatno\csname\safefloattype floatno\endcsname \global\advance\floatno by 1 % {% % This magic value for \lastsection is output by \setref as the % XREFLABEL-title value. \xrefX uses it to distinguish float % labels (which have a completely different output format) from % node and anchor labels. And \xrdef uses it to construct the % lists of floats. % \edef\lastsection{\floatmagic=\safefloattype}% \setref{\floatlabel}{Yfloat}% }% \fi % % start with \parskip glue, I guess. \vskip\parskip % % Don't suppress indentation if a float happens to start a section. \restorefirstparagraphindent } % we have these possibilities: % @float Foo,lbl & @caption{Cap}: Foo 1.1: Cap % @float Foo,lbl & no caption: Foo 1.1 % @float Foo & @caption{Cap}: Foo: Cap % @float Foo & no caption: Foo % @float ,lbl & Caption{Cap}: 1.1: Cap % @float ,lbl & no caption: 1.1 % @float & @caption{Cap}: Cap % @float & no caption: % \def\Efloat{% \let\floatident = \empty % % In all cases, if we have a float type, it comes first. \ifx\floattype\empty \else \def\floatident{\floattype}\fi % % If we have an xref label, the number comes next. \ifx\floatlabel\empty \else \ifx\floattype\empty \else % if also had float type, need tie first. \appendtomacro\floatident{\tie}% \fi % the number. \appendtomacro\floatident{\chaplevelprefix\the\floatno}% \fi % % Start the printed caption with what we've constructed in % \floatident, but keep it separate; we need \floatident again. \let\captionline = \floatident % \ifx\thiscaption\empty \else \ifx\floatident\empty \else \appendtomacro\captionline{: }% had ident, so need a colon between \fi % % caption text. \appendtomacro\captionline{\scanexp\thiscaption}% \fi % % If we have anything to print, print it, with space before. % Eventually this needs to become an \insert. \ifx\captionline\empty \else \vskip.5\parskip \captionline % % Space below caption. \vskip\parskip \fi % % If have an xref label, write the list of floats info. Do this % after the caption, to avoid chance of it being a breakpoint. \ifx\floatlabel\empty \else % Write the text that goes in the lof to the aux file as % \floatlabel-lof. Besides \floatident, we include the short % caption if specified, else the full caption if specified, else nothing. {% \atdummies % % since we read the caption text in the macro world, where ^^M % is turned into a normal character, we have to scan it back, so % we don't write the literal three characters "^^M" into the aux file. \scanexp{% \xdef\noexpand\gtemp{% \ifx\thisshortcaption\empty \thiscaption \else \thisshortcaption \fi }% }% \immediate\write\auxfile{@xrdef{\floatlabel-lof}{\floatident \ifx\gtemp\empty \else : \gtemp \fi}}% }% \fi \egroup % end of \vtop % % place the captured inserts % % BEWARE: when the floats start floating, we have to issue warning % whenever an insert appears inside a float which could possibly % float. --kasal, 26may04 % \checkinserts } % Append the tokens #2 to the definition of macro #1, not expanding either. % \def\appendtomacro#1#2{% \expandafter\def\expandafter#1\expandafter{#1#2}% } % @caption, @shortcaption % \def\caption{\docaption\thiscaption} \def\shortcaption{\docaption\thisshortcaption} \def\docaption{\checkenv\float \bgroup\scanargctxt\defcaption} \def\defcaption#1#2{\egroup \def#1{#2}} % The parameter is the control sequence identifying the counter we are % going to use. Create it if it doesn't exist and assign it to \floatno. \def\getfloatno#1{% \ifx#1\relax % Haven't seen this figure type before. \csname newcount\endcsname #1% % % Remember to reset this floatno at the next chap. \expandafter\gdef\expandafter\resetallfloatnos \expandafter{\resetallfloatnos #1=0 }% \fi \let\floatno#1% } % \setref calls this to get the XREFLABEL-snt value. We want an @xref % to the FLOATLABEL to expand to "Figure 3.1". We call \setref when we % first read the @float command. % \def\Yfloat{\floattype@tie \chaplevelprefix\the\floatno}% % Magic string used for the XREFLABEL-title value, so \xrefX can % distinguish floats from other xref types. \def\floatmagic{!!float!!} % #1 is the control sequence we are passed; we expand into a conditional % which is true if #1 represents a float ref. That is, the magic % \lastsection value which we \setref above. % \def\iffloat#1{\expandafter\doiffloat#1==\finish} % % #1 is (maybe) the \floatmagic string. If so, #2 will be the % (safe) float type for this float. We set \iffloattype to #2. % \def\doiffloat#1=#2=#3\finish{% \def\temp{#1}% \def\iffloattype{#2}% \ifx\temp\floatmagic } % @listoffloats FLOATTYPE - print a list of floats like a table of contents. % \parseargdef\listoffloats{% \def\floattype{#1}% floattype {% % the floattype might have accents or other special characters, % but we need to use it in a control sequence name. \indexnofonts \turnoffactive \xdef\safefloattype{\floattype}% }% % % \xrdef saves the floats as a \do-list in \floatlistSAFEFLOATTYPE. \expandafter\ifx\csname floatlist\safefloattype\endcsname \relax \ifhavexrefs % if the user said @listoffloats foo but never @float foo. \message{\linenumber No `\safefloattype' floats to list.}% \fi \else \begingroup \leftskip=\tocindent % indent these entries like a toc \let\do=\listoffloatsdo \csname floatlist\safefloattype\endcsname \endgroup \fi } % This is called on each entry in a list of floats. We're passed the % xref label, in the form LABEL-title, which is how we save it in the % aux file. We strip off the -title and look up \XRLABEL-lof, which % has the text we're supposed to typeset here. % % Figures without xref labels will not be included in the list (since % they won't appear in the aux file). % \def\listoffloatsdo#1{\listoffloatsdoentry#1\finish} \def\listoffloatsdoentry#1-title\finish{{% % Can't fully expand XR#1-lof because it can contain anything. Just % pass the control sequence. On the other hand, XR#1-pg is just the % page number, and we want to fully expand that so we can get a link % in pdf output. \toksA = \expandafter{\csname XR#1-lof\endcsname}% % % use the same \entry macro we use to generate the TOC and index. \edef\writeentry{\noexpand\entry{\the\toksA}{\csname XR#1-pg\endcsname}}% \writeentry }} \message{localization,} % For single-language documents, @documentlanguage is usually given very % early, just after @documentencoding. Single argument is the language % (de) or locale (de_DE) abbreviation. % { \catcode`\_ = \active \globaldefs=1 \parseargdef\documentlanguage{\begingroup \let_=\normalunderscore % normal _ character for filenames \tex % read txi-??.tex file in plain TeX. % Read the file by the name they passed if it exists. \openin 1 txi-#1.tex \ifeof 1 \documentlanguagetrywithoutunderscore{#1_\finish}% \else \globaldefs = 1 % everything in the txi-LL files needs to persist \input txi-#1.tex \fi \closein 1 \endgroup % end raw TeX \endgroup} % % If they passed de_DE, and txi-de_DE.tex doesn't exist, % try txi-de.tex. % \gdef\documentlanguagetrywithoutunderscore#1_#2\finish{% \openin 1 txi-#1.tex \ifeof 1 \errhelp = \nolanghelp \errmessage{Cannot read language file txi-#1.tex}% \else \globaldefs = 1 % everything in the txi-LL files needs to persist \input txi-#1.tex \fi \closein 1 } }% end of special _ catcode % \newhelp\nolanghelp{The given language definition file cannot be found or is empty. Maybe you need to install it? Putting it in the current directory should work if nowhere else does.} % This macro is called from txi-??.tex files; the first argument is the % \language name to set (without the "\lang@" prefix), the second and % third args are \{left,right}hyphenmin. % % The language names to pass are determined when the format is built. % See the etex.log file created at that time, e.g., % /usr/local/texlive/2008/texmf-var/web2c/pdftex/etex.log. % % With TeX Live 2008, etex now includes hyphenation patterns for all % available languages. This means we can support hyphenation in % Texinfo, at least to some extent. (This still doesn't solve the % accented characters problem.) % \catcode`@=11 \def\txisetlanguage#1#2#3{% % do not set the language if the name is undefined in the current TeX. \expandafter\ifx\csname lang@#1\endcsname \relax \message{no patterns for #1}% \else \global\language = \csname lang@#1\endcsname \fi % but there is no harm in adjusting the hyphenmin values regardless. \global\lefthyphenmin = #2\relax \global\righthyphenmin = #3\relax } % Helpers for encodings. % Set the catcode of characters 128 through 255 to the specified number. % \def\setnonasciicharscatcode#1{% \count255=128 \loop\ifnum\count255<256 \global\catcode\count255=#1\relax \advance\count255 by 1 \repeat } \def\setnonasciicharscatcodenonglobal#1{% \count255=128 \loop\ifnum\count255<256 \catcode\count255=#1\relax \advance\count255 by 1 \repeat } % @documentencoding sets the definition of non-ASCII characters % according to the specified encoding. % \parseargdef\documentencoding{% % Encoding being declared for the document. \def\declaredencoding{\csname #1.enc\endcsname}% % % Supported encodings: names converted to tokens in order to be able % to compare them with \ifx. \def\ascii{\csname US-ASCII.enc\endcsname}% \def\latnine{\csname ISO-8859-15.enc\endcsname}% \def\latone{\csname ISO-8859-1.enc\endcsname}% \def\lattwo{\csname ISO-8859-2.enc\endcsname}% \def\utfeight{\csname UTF-8.enc\endcsname}% % \ifx \declaredencoding \ascii \asciichardefs % \else \ifx \declaredencoding \lattwo \setnonasciicharscatcode\active \lattwochardefs % \else \ifx \declaredencoding \latone \setnonasciicharscatcode\active \latonechardefs % \else \ifx \declaredencoding \latnine \setnonasciicharscatcode\active \latninechardefs % \else \ifx \declaredencoding \utfeight \setnonasciicharscatcode\active \utfeightchardefs % \else \message{Unknown document encoding #1, ignoring.}% % \fi % utfeight \fi % latnine \fi % latone \fi % lattwo \fi % ascii } % A message to be logged when using a character that isn't available % the default font encoding (OT1). % \def\missingcharmsg#1{\message{Character missing in OT1 encoding: #1.}} % Take account of \c (plain) vs. \, (Texinfo) difference. \def\cedilla#1{\ifx\c\ptexc\c{#1}\else\,{#1}\fi} % First, make active non-ASCII characters in order for them to be % correctly categorized when TeX reads the replacement text of % macros containing the character definitions. \setnonasciicharscatcode\active % % Latin1 (ISO-8859-1) character definitions. \def\latonechardefs{% \gdef^^a0{\tie} \gdef^^a1{\exclamdown} \gdef^^a2{\missingcharmsg{CENT SIGN}} \gdef^^a3{{\pounds}} \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} \gdef^^a5{\missingcharmsg{YEN SIGN}} \gdef^^a6{\missingcharmsg{BROKEN BAR}} \gdef^^a7{\S} \gdef^^a8{\"{}} \gdef^^a9{\copyright} \gdef^^aa{\ordf} \gdef^^ab{\guillemetleft} \gdef^^ac{$\lnot$} \gdef^^ad{\-} \gdef^^ae{\registeredsymbol} \gdef^^af{\={}} % \gdef^^b0{\textdegree} \gdef^^b1{$\pm$} \gdef^^b2{$^2$} \gdef^^b3{$^3$} \gdef^^b4{\'{}} \gdef^^b5{$\mu$} \gdef^^b6{\P} % \gdef^^b7{$^.$} \gdef^^b8{\cedilla\ } \gdef^^b9{$^1$} \gdef^^ba{\ordm} % \gdef^^bb{\guillemetright} \gdef^^bc{$1\over4$} \gdef^^bd{$1\over2$} \gdef^^be{$3\over4$} \gdef^^bf{\questiondown} % \gdef^^c0{\`A} \gdef^^c1{\'A} \gdef^^c2{\^A} \gdef^^c3{\~A} \gdef^^c4{\"A} \gdef^^c5{\ringaccent A} \gdef^^c6{\AE} \gdef^^c7{\cedilla C} \gdef^^c8{\`E} \gdef^^c9{\'E} \gdef^^ca{\^E} \gdef^^cb{\"E} \gdef^^cc{\`I} \gdef^^cd{\'I} \gdef^^ce{\^I} \gdef^^cf{\"I} % \gdef^^d0{\DH} \gdef^^d1{\~N} \gdef^^d2{\`O} \gdef^^d3{\'O} \gdef^^d4{\^O} \gdef^^d5{\~O} \gdef^^d6{\"O} \gdef^^d7{$\times$} \gdef^^d8{\O} \gdef^^d9{\`U} \gdef^^da{\'U} \gdef^^db{\^U} \gdef^^dc{\"U} \gdef^^dd{\'Y} \gdef^^de{\TH} \gdef^^df{\ss} % \gdef^^e0{\`a} \gdef^^e1{\'a} \gdef^^e2{\^a} \gdef^^e3{\~a} \gdef^^e4{\"a} \gdef^^e5{\ringaccent a} \gdef^^e6{\ae} \gdef^^e7{\cedilla c} \gdef^^e8{\`e} \gdef^^e9{\'e} \gdef^^ea{\^e} \gdef^^eb{\"e} \gdef^^ec{\`{\dotless i}} \gdef^^ed{\'{\dotless i}} \gdef^^ee{\^{\dotless i}} \gdef^^ef{\"{\dotless i}} % \gdef^^f0{\dh} \gdef^^f1{\~n} \gdef^^f2{\`o} \gdef^^f3{\'o} \gdef^^f4{\^o} \gdef^^f5{\~o} \gdef^^f6{\"o} \gdef^^f7{$\div$} \gdef^^f8{\o} \gdef^^f9{\`u} \gdef^^fa{\'u} \gdef^^fb{\^u} \gdef^^fc{\"u} \gdef^^fd{\'y} \gdef^^fe{\th} \gdef^^ff{\"y} } % Latin9 (ISO-8859-15) encoding character definitions. \def\latninechardefs{% % Encoding is almost identical to Latin1. \latonechardefs % \gdef^^a4{\euro} \gdef^^a6{\v S} \gdef^^a8{\v s} \gdef^^b4{\v Z} \gdef^^b8{\v z} \gdef^^bc{\OE} \gdef^^bd{\oe} \gdef^^be{\"Y} } % Latin2 (ISO-8859-2) character definitions. \def\lattwochardefs{% \gdef^^a0{\tie} \gdef^^a1{\ogonek{A}} \gdef^^a2{\u{}} \gdef^^a3{\L} \gdef^^a4{\missingcharmsg{CURRENCY SIGN}} \gdef^^a5{\v L} \gdef^^a6{\'S} \gdef^^a7{\S} \gdef^^a8{\"{}} \gdef^^a9{\v S} \gdef^^aa{\cedilla S} \gdef^^ab{\v T} \gdef^^ac{\'Z} \gdef^^ad{\-} \gdef^^ae{\v Z} \gdef^^af{\dotaccent Z} % \gdef^^b0{\textdegree} \gdef^^b1{\ogonek{a}} \gdef^^b2{\ogonek{ }} \gdef^^b3{\l} \gdef^^b4{\'{}} \gdef^^b5{\v l} \gdef^^b6{\'s} \gdef^^b7{\v{}} \gdef^^b8{\cedilla\ } \gdef^^b9{\v s} \gdef^^ba{\cedilla s} \gdef^^bb{\v t} \gdef^^bc{\'z} \gdef^^bd{\H{}} \gdef^^be{\v z} \gdef^^bf{\dotaccent z} % \gdef^^c0{\'R} \gdef^^c1{\'A} \gdef^^c2{\^A} \gdef^^c3{\u A} \gdef^^c4{\"A} \gdef^^c5{\'L} \gdef^^c6{\'C} \gdef^^c7{\cedilla C} \gdef^^c8{\v C} \gdef^^c9{\'E} \gdef^^ca{\ogonek{E}} \gdef^^cb{\"E} \gdef^^cc{\v E} \gdef^^cd{\'I} \gdef^^ce{\^I} \gdef^^cf{\v D} % \gdef^^d0{\DH} \gdef^^d1{\'N} \gdef^^d2{\v N} \gdef^^d3{\'O} \gdef^^d4{\^O} \gdef^^d5{\H O} \gdef^^d6{\"O} \gdef^^d7{$\times$} \gdef^^d8{\v R} \gdef^^d9{\ringaccent U} \gdef^^da{\'U} \gdef^^db{\H U} \gdef^^dc{\"U} \gdef^^dd{\'Y} \gdef^^de{\cedilla T} \gdef^^df{\ss} % \gdef^^e0{\'r} \gdef^^e1{\'a} \gdef^^e2{\^a} \gdef^^e3{\u a} \gdef^^e4{\"a} \gdef^^e5{\'l} \gdef^^e6{\'c} \gdef^^e7{\cedilla c} \gdef^^e8{\v c} \gdef^^e9{\'e} \gdef^^ea{\ogonek{e}} \gdef^^eb{\"e} \gdef^^ec{\v e} \gdef^^ed{\'{\dotless{i}}} \gdef^^ee{\^{\dotless{i}}} \gdef^^ef{\v d} % \gdef^^f0{\dh} \gdef^^f1{\'n} \gdef^^f2{\v n} \gdef^^f3{\'o} \gdef^^f4{\^o} \gdef^^f5{\H o} \gdef^^f6{\"o} \gdef^^f7{$\div$} \gdef^^f8{\v r} \gdef^^f9{\ringaccent u} \gdef^^fa{\'u} \gdef^^fb{\H u} \gdef^^fc{\"u} \gdef^^fd{\'y} \gdef^^fe{\cedilla t} \gdef^^ff{\dotaccent{}} } % UTF-8 character definitions. % % This code to support UTF-8 is based on LaTeX's utf8.def, with some % changes for Texinfo conventions. It is included here under the GPL by % permission from Frank Mittelbach and the LaTeX team. % \newcount\countUTFx \newcount\countUTFy \newcount\countUTFz \gdef\UTFviiiTwoOctets#1#2{\expandafter \UTFviiiDefined\csname u8:#1\string #2\endcsname} % \gdef\UTFviiiThreeOctets#1#2#3{\expandafter \UTFviiiDefined\csname u8:#1\string #2\string #3\endcsname} % \gdef\UTFviiiFourOctets#1#2#3#4{\expandafter \UTFviiiDefined\csname u8:#1\string #2\string #3\string #4\endcsname} \gdef\UTFviiiDefined#1{% \ifx #1\relax \message{\linenumber Unicode char \string #1 not defined for Texinfo}% \else \expandafter #1% \fi } \begingroup \catcode`\~13 \catcode`\"12 \def\UTFviiiLoop{% \global\catcode\countUTFx\active \uccode`\~\countUTFx \uppercase\expandafter{\UTFviiiTmp}% \advance\countUTFx by 1 \ifnum\countUTFx < \countUTFy \expandafter\UTFviiiLoop \fi} \countUTFx = "C2 \countUTFy = "E0 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiTwoOctets\string~}} \UTFviiiLoop \countUTFx = "E0 \countUTFy = "F0 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiThreeOctets\string~}} \UTFviiiLoop \countUTFx = "F0 \countUTFy = "F4 \def\UTFviiiTmp{% \xdef~{\noexpand\UTFviiiFourOctets\string~}} \UTFviiiLoop \endgroup \begingroup \catcode`\"=12 \catcode`\<=12 \catcode`\.=12 \catcode`\,=12 \catcode`\;=12 \catcode`\!=12 \catcode`\~=13 \gdef\DeclareUnicodeCharacter#1#2{% \countUTFz = "#1\relax %\wlog{\space\space defining Unicode char U+#1 (decimal \the\countUTFz)}% \begingroup \parseXMLCharref \def\UTFviiiTwoOctets##1##2{% \csname u8:##1\string ##2\endcsname}% \def\UTFviiiThreeOctets##1##2##3{% \csname u8:##1\string ##2\string ##3\endcsname}% \def\UTFviiiFourOctets##1##2##3##4{% \csname u8:##1\string ##2\string ##3\string ##4\endcsname}% \expandafter\expandafter\expandafter\expandafter \expandafter\expandafter\expandafter \gdef\UTFviiiTmp{#2}% \endgroup} \gdef\parseXMLCharref{% \ifnum\countUTFz < "A0\relax \errhelp = \EMsimple \errmessage{Cannot define Unicode char value < 00A0}% \else\ifnum\countUTFz < "800\relax \parseUTFviiiA,% \parseUTFviiiB C\UTFviiiTwoOctets.,% \else\ifnum\countUTFz < "10000\relax \parseUTFviiiA;% \parseUTFviiiA,% \parseUTFviiiB E\UTFviiiThreeOctets.{,;}% \else \parseUTFviiiA;% \parseUTFviiiA,% \parseUTFviiiA!% \parseUTFviiiB F\UTFviiiFourOctets.{!,;}% \fi\fi\fi } \gdef\parseUTFviiiA#1{% \countUTFx = \countUTFz \divide\countUTFz by 64 \countUTFy = \countUTFz \multiply\countUTFz by 64 \advance\countUTFx by -\countUTFz \advance\countUTFx by 128 \uccode `#1\countUTFx \countUTFz = \countUTFy} \gdef\parseUTFviiiB#1#2#3#4{% \advance\countUTFz by "#10\relax \uccode `#3\countUTFz \uppercase{\gdef\UTFviiiTmp{#2#3#4}}} \endgroup \def\utfeightchardefs{% \DeclareUnicodeCharacter{00A0}{\tie} \DeclareUnicodeCharacter{00A1}{\exclamdown} \DeclareUnicodeCharacter{00A3}{\pounds} \DeclareUnicodeCharacter{00A8}{\"{ }} \DeclareUnicodeCharacter{00A9}{\copyright} \DeclareUnicodeCharacter{00AA}{\ordf} \DeclareUnicodeCharacter{00AB}{\guillemetleft} \DeclareUnicodeCharacter{00AD}{\-} \DeclareUnicodeCharacter{00AE}{\registeredsymbol} \DeclareUnicodeCharacter{00AF}{\={ }} \DeclareUnicodeCharacter{00B0}{\ringaccent{ }} \DeclareUnicodeCharacter{00B4}{\'{ }} \DeclareUnicodeCharacter{00B8}{\cedilla{ }} \DeclareUnicodeCharacter{00BA}{\ordm} \DeclareUnicodeCharacter{00BB}{\guillemetright} \DeclareUnicodeCharacter{00BF}{\questiondown} \DeclareUnicodeCharacter{00C0}{\`A} \DeclareUnicodeCharacter{00C1}{\'A} \DeclareUnicodeCharacter{00C2}{\^A} \DeclareUnicodeCharacter{00C3}{\~A} \DeclareUnicodeCharacter{00C4}{\"A} \DeclareUnicodeCharacter{00C5}{\AA} \DeclareUnicodeCharacter{00C6}{\AE} \DeclareUnicodeCharacter{00C7}{\cedilla{C}} \DeclareUnicodeCharacter{00C8}{\`E} \DeclareUnicodeCharacter{00C9}{\'E} \DeclareUnicodeCharacter{00CA}{\^E} \DeclareUnicodeCharacter{00CB}{\"E} \DeclareUnicodeCharacter{00CC}{\`I} \DeclareUnicodeCharacter{00CD}{\'I} \DeclareUnicodeCharacter{00CE}{\^I} \DeclareUnicodeCharacter{00CF}{\"I} \DeclareUnicodeCharacter{00D0}{\DH} \DeclareUnicodeCharacter{00D1}{\~N} \DeclareUnicodeCharacter{00D2}{\`O} \DeclareUnicodeCharacter{00D3}{\'O} \DeclareUnicodeCharacter{00D4}{\^O} \DeclareUnicodeCharacter{00D5}{\~O} \DeclareUnicodeCharacter{00D6}{\"O} \DeclareUnicodeCharacter{00D8}{\O} \DeclareUnicodeCharacter{00D9}{\`U} \DeclareUnicodeCharacter{00DA}{\'U} \DeclareUnicodeCharacter{00DB}{\^U} \DeclareUnicodeCharacter{00DC}{\"U} \DeclareUnicodeCharacter{00DD}{\'Y} \DeclareUnicodeCharacter{00DE}{\TH} \DeclareUnicodeCharacter{00DF}{\ss} \DeclareUnicodeCharacter{00E0}{\`a} \DeclareUnicodeCharacter{00E1}{\'a} \DeclareUnicodeCharacter{00E2}{\^a} \DeclareUnicodeCharacter{00E3}{\~a} \DeclareUnicodeCharacter{00E4}{\"a} \DeclareUnicodeCharacter{00E5}{\aa} \DeclareUnicodeCharacter{00E6}{\ae} \DeclareUnicodeCharacter{00E7}{\cedilla{c}} \DeclareUnicodeCharacter{00E8}{\`e} \DeclareUnicodeCharacter{00E9}{\'e} \DeclareUnicodeCharacter{00EA}{\^e} \DeclareUnicodeCharacter{00EB}{\"e} \DeclareUnicodeCharacter{00EC}{\`{\dotless{i}}} \DeclareUnicodeCharacter{00ED}{\'{\dotless{i}}} \DeclareUnicodeCharacter{00EE}{\^{\dotless{i}}} \DeclareUnicodeCharacter{00EF}{\"{\dotless{i}}} \DeclareUnicodeCharacter{00F0}{\dh} \DeclareUnicodeCharacter{00F1}{\~n} \DeclareUnicodeCharacter{00F2}{\`o} \DeclareUnicodeCharacter{00F3}{\'o} \DeclareUnicodeCharacter{00F4}{\^o} \DeclareUnicodeCharacter{00F5}{\~o} \DeclareUnicodeCharacter{00F6}{\"o} \DeclareUnicodeCharacter{00F8}{\o} \DeclareUnicodeCharacter{00F9}{\`u} \DeclareUnicodeCharacter{00FA}{\'u} \DeclareUnicodeCharacter{00FB}{\^u} \DeclareUnicodeCharacter{00FC}{\"u} \DeclareUnicodeCharacter{00FD}{\'y} \DeclareUnicodeCharacter{00FE}{\th} \DeclareUnicodeCharacter{00FF}{\"y} \DeclareUnicodeCharacter{0100}{\=A} \DeclareUnicodeCharacter{0101}{\=a} \DeclareUnicodeCharacter{0102}{\u{A}} \DeclareUnicodeCharacter{0103}{\u{a}} \DeclareUnicodeCharacter{0104}{\ogonek{A}} \DeclareUnicodeCharacter{0105}{\ogonek{a}} \DeclareUnicodeCharacter{0106}{\'C} \DeclareUnicodeCharacter{0107}{\'c} \DeclareUnicodeCharacter{0108}{\^C} \DeclareUnicodeCharacter{0109}{\^c} \DeclareUnicodeCharacter{0118}{\ogonek{E}} \DeclareUnicodeCharacter{0119}{\ogonek{e}} \DeclareUnicodeCharacter{010A}{\dotaccent{C}} \DeclareUnicodeCharacter{010B}{\dotaccent{c}} \DeclareUnicodeCharacter{010C}{\v{C}} \DeclareUnicodeCharacter{010D}{\v{c}} \DeclareUnicodeCharacter{010E}{\v{D}} \DeclareUnicodeCharacter{0112}{\=E} \DeclareUnicodeCharacter{0113}{\=e} \DeclareUnicodeCharacter{0114}{\u{E}} \DeclareUnicodeCharacter{0115}{\u{e}} \DeclareUnicodeCharacter{0116}{\dotaccent{E}} \DeclareUnicodeCharacter{0117}{\dotaccent{e}} \DeclareUnicodeCharacter{011A}{\v{E}} \DeclareUnicodeCharacter{011B}{\v{e}} \DeclareUnicodeCharacter{011C}{\^G} \DeclareUnicodeCharacter{011D}{\^g} \DeclareUnicodeCharacter{011E}{\u{G}} \DeclareUnicodeCharacter{011F}{\u{g}} \DeclareUnicodeCharacter{0120}{\dotaccent{G}} \DeclareUnicodeCharacter{0121}{\dotaccent{g}} \DeclareUnicodeCharacter{0124}{\^H} \DeclareUnicodeCharacter{0125}{\^h} \DeclareUnicodeCharacter{0128}{\~I} \DeclareUnicodeCharacter{0129}{\~{\dotless{i}}} \DeclareUnicodeCharacter{012A}{\=I} \DeclareUnicodeCharacter{012B}{\={\dotless{i}}} \DeclareUnicodeCharacter{012C}{\u{I}} \DeclareUnicodeCharacter{012D}{\u{\dotless{i}}} \DeclareUnicodeCharacter{0130}{\dotaccent{I}} \DeclareUnicodeCharacter{0131}{\dotless{i}} \DeclareUnicodeCharacter{0132}{IJ} \DeclareUnicodeCharacter{0133}{ij} \DeclareUnicodeCharacter{0134}{\^J} \DeclareUnicodeCharacter{0135}{\^{\dotless{j}}} \DeclareUnicodeCharacter{0139}{\'L} \DeclareUnicodeCharacter{013A}{\'l} \DeclareUnicodeCharacter{0141}{\L} \DeclareUnicodeCharacter{0142}{\l} \DeclareUnicodeCharacter{0143}{\'N} \DeclareUnicodeCharacter{0144}{\'n} \DeclareUnicodeCharacter{0147}{\v{N}} \DeclareUnicodeCharacter{0148}{\v{n}} \DeclareUnicodeCharacter{014C}{\=O} \DeclareUnicodeCharacter{014D}{\=o} \DeclareUnicodeCharacter{014E}{\u{O}} \DeclareUnicodeCharacter{014F}{\u{o}} \DeclareUnicodeCharacter{0150}{\H{O}} \DeclareUnicodeCharacter{0151}{\H{o}} \DeclareUnicodeCharacter{0152}{\OE} \DeclareUnicodeCharacter{0153}{\oe} \DeclareUnicodeCharacter{0154}{\'R} \DeclareUnicodeCharacter{0155}{\'r} \DeclareUnicodeCharacter{0158}{\v{R}} \DeclareUnicodeCharacter{0159}{\v{r}} \DeclareUnicodeCharacter{015A}{\'S} \DeclareUnicodeCharacter{015B}{\'s} \DeclareUnicodeCharacter{015C}{\^S} \DeclareUnicodeCharacter{015D}{\^s} \DeclareUnicodeCharacter{015E}{\cedilla{S}} \DeclareUnicodeCharacter{015F}{\cedilla{s}} \DeclareUnicodeCharacter{0160}{\v{S}} \DeclareUnicodeCharacter{0161}{\v{s}} \DeclareUnicodeCharacter{0162}{\cedilla{t}} \DeclareUnicodeCharacter{0163}{\cedilla{T}} \DeclareUnicodeCharacter{0164}{\v{T}} \DeclareUnicodeCharacter{0168}{\~U} \DeclareUnicodeCharacter{0169}{\~u} \DeclareUnicodeCharacter{016A}{\=U} \DeclareUnicodeCharacter{016B}{\=u} \DeclareUnicodeCharacter{016C}{\u{U}} \DeclareUnicodeCharacter{016D}{\u{u}} \DeclareUnicodeCharacter{016E}{\ringaccent{U}} \DeclareUnicodeCharacter{016F}{\ringaccent{u}} \DeclareUnicodeCharacter{0170}{\H{U}} \DeclareUnicodeCharacter{0171}{\H{u}} \DeclareUnicodeCharacter{0174}{\^W} \DeclareUnicodeCharacter{0175}{\^w} \DeclareUnicodeCharacter{0176}{\^Y} \DeclareUnicodeCharacter{0177}{\^y} \DeclareUnicodeCharacter{0178}{\"Y} \DeclareUnicodeCharacter{0179}{\'Z} \DeclareUnicodeCharacter{017A}{\'z} \DeclareUnicodeCharacter{017B}{\dotaccent{Z}} \DeclareUnicodeCharacter{017C}{\dotaccent{z}} \DeclareUnicodeCharacter{017D}{\v{Z}} \DeclareUnicodeCharacter{017E}{\v{z}} \DeclareUnicodeCharacter{01C4}{D\v{Z}} \DeclareUnicodeCharacter{01C5}{D\v{z}} \DeclareUnicodeCharacter{01C6}{d\v{z}} \DeclareUnicodeCharacter{01C7}{LJ} \DeclareUnicodeCharacter{01C8}{Lj} \DeclareUnicodeCharacter{01C9}{lj} \DeclareUnicodeCharacter{01CA}{NJ} \DeclareUnicodeCharacter{01CB}{Nj} \DeclareUnicodeCharacter{01CC}{nj} \DeclareUnicodeCharacter{01CD}{\v{A}} \DeclareUnicodeCharacter{01CE}{\v{a}} \DeclareUnicodeCharacter{01CF}{\v{I}} \DeclareUnicodeCharacter{01D0}{\v{\dotless{i}}} \DeclareUnicodeCharacter{01D1}{\v{O}} \DeclareUnicodeCharacter{01D2}{\v{o}} \DeclareUnicodeCharacter{01D3}{\v{U}} \DeclareUnicodeCharacter{01D4}{\v{u}} \DeclareUnicodeCharacter{01E2}{\={\AE}} \DeclareUnicodeCharacter{01E3}{\={\ae}} \DeclareUnicodeCharacter{01E6}{\v{G}} \DeclareUnicodeCharacter{01E7}{\v{g}} \DeclareUnicodeCharacter{01E8}{\v{K}} \DeclareUnicodeCharacter{01E9}{\v{k}} \DeclareUnicodeCharacter{01F0}{\v{\dotless{j}}} \DeclareUnicodeCharacter{01F1}{DZ} \DeclareUnicodeCharacter{01F2}{Dz} \DeclareUnicodeCharacter{01F3}{dz} \DeclareUnicodeCharacter{01F4}{\'G} \DeclareUnicodeCharacter{01F5}{\'g} \DeclareUnicodeCharacter{01F8}{\`N} \DeclareUnicodeCharacter{01F9}{\`n} \DeclareUnicodeCharacter{01FC}{\'{\AE}} \DeclareUnicodeCharacter{01FD}{\'{\ae}} \DeclareUnicodeCharacter{01FE}{\'{\O}} \DeclareUnicodeCharacter{01FF}{\'{\o}} \DeclareUnicodeCharacter{021E}{\v{H}} \DeclareUnicodeCharacter{021F}{\v{h}} \DeclareUnicodeCharacter{0226}{\dotaccent{A}} \DeclareUnicodeCharacter{0227}{\dotaccent{a}} \DeclareUnicodeCharacter{0228}{\cedilla{E}} \DeclareUnicodeCharacter{0229}{\cedilla{e}} \DeclareUnicodeCharacter{022E}{\dotaccent{O}} \DeclareUnicodeCharacter{022F}{\dotaccent{o}} \DeclareUnicodeCharacter{0232}{\=Y} \DeclareUnicodeCharacter{0233}{\=y} \DeclareUnicodeCharacter{0237}{\dotless{j}} \DeclareUnicodeCharacter{02DB}{\ogonek{ }} \DeclareUnicodeCharacter{1E02}{\dotaccent{B}} \DeclareUnicodeCharacter{1E03}{\dotaccent{b}} \DeclareUnicodeCharacter{1E04}{\udotaccent{B}} \DeclareUnicodeCharacter{1E05}{\udotaccent{b}} \DeclareUnicodeCharacter{1E06}{\ubaraccent{B}} \DeclareUnicodeCharacter{1E07}{\ubaraccent{b}} \DeclareUnicodeCharacter{1E0A}{\dotaccent{D}} \DeclareUnicodeCharacter{1E0B}{\dotaccent{d}} \DeclareUnicodeCharacter{1E0C}{\udotaccent{D}} \DeclareUnicodeCharacter{1E0D}{\udotaccent{d}} \DeclareUnicodeCharacter{1E0E}{\ubaraccent{D}} \DeclareUnicodeCharacter{1E0F}{\ubaraccent{d}} \DeclareUnicodeCharacter{1E1E}{\dotaccent{F}} \DeclareUnicodeCharacter{1E1F}{\dotaccent{f}} \DeclareUnicodeCharacter{1E20}{\=G} \DeclareUnicodeCharacter{1E21}{\=g} \DeclareUnicodeCharacter{1E22}{\dotaccent{H}} \DeclareUnicodeCharacter{1E23}{\dotaccent{h}} \DeclareUnicodeCharacter{1E24}{\udotaccent{H}} \DeclareUnicodeCharacter{1E25}{\udotaccent{h}} \DeclareUnicodeCharacter{1E26}{\"H} \DeclareUnicodeCharacter{1E27}{\"h} \DeclareUnicodeCharacter{1E30}{\'K} \DeclareUnicodeCharacter{1E31}{\'k} \DeclareUnicodeCharacter{1E32}{\udotaccent{K}} \DeclareUnicodeCharacter{1E33}{\udotaccent{k}} \DeclareUnicodeCharacter{1E34}{\ubaraccent{K}} \DeclareUnicodeCharacter{1E35}{\ubaraccent{k}} \DeclareUnicodeCharacter{1E36}{\udotaccent{L}} \DeclareUnicodeCharacter{1E37}{\udotaccent{l}} \DeclareUnicodeCharacter{1E3A}{\ubaraccent{L}} \DeclareUnicodeCharacter{1E3B}{\ubaraccent{l}} \DeclareUnicodeCharacter{1E3E}{\'M} \DeclareUnicodeCharacter{1E3F}{\'m} \DeclareUnicodeCharacter{1E40}{\dotaccent{M}} \DeclareUnicodeCharacter{1E41}{\dotaccent{m}} \DeclareUnicodeCharacter{1E42}{\udotaccent{M}} \DeclareUnicodeCharacter{1E43}{\udotaccent{m}} \DeclareUnicodeCharacter{1E44}{\dotaccent{N}} \DeclareUnicodeCharacter{1E45}{\dotaccent{n}} \DeclareUnicodeCharacter{1E46}{\udotaccent{N}} \DeclareUnicodeCharacter{1E47}{\udotaccent{n}} \DeclareUnicodeCharacter{1E48}{\ubaraccent{N}} \DeclareUnicodeCharacter{1E49}{\ubaraccent{n}} \DeclareUnicodeCharacter{1E54}{\'P} \DeclareUnicodeCharacter{1E55}{\'p} \DeclareUnicodeCharacter{1E56}{\dotaccent{P}} \DeclareUnicodeCharacter{1E57}{\dotaccent{p}} \DeclareUnicodeCharacter{1E58}{\dotaccent{R}} \DeclareUnicodeCharacter{1E59}{\dotaccent{r}} \DeclareUnicodeCharacter{1E5A}{\udotaccent{R}} \DeclareUnicodeCharacter{1E5B}{\udotaccent{r}} \DeclareUnicodeCharacter{1E5E}{\ubaraccent{R}} \DeclareUnicodeCharacter{1E5F}{\ubaraccent{r}} \DeclareUnicodeCharacter{1E60}{\dotaccent{S}} \DeclareUnicodeCharacter{1E61}{\dotaccent{s}} \DeclareUnicodeCharacter{1E62}{\udotaccent{S}} \DeclareUnicodeCharacter{1E63}{\udotaccent{s}} \DeclareUnicodeCharacter{1E6A}{\dotaccent{T}} \DeclareUnicodeCharacter{1E6B}{\dotaccent{t}} \DeclareUnicodeCharacter{1E6C}{\udotaccent{T}} \DeclareUnicodeCharacter{1E6D}{\udotaccent{t}} \DeclareUnicodeCharacter{1E6E}{\ubaraccent{T}} \DeclareUnicodeCharacter{1E6F}{\ubaraccent{t}} \DeclareUnicodeCharacter{1E7C}{\~V} \DeclareUnicodeCharacter{1E7D}{\~v} \DeclareUnicodeCharacter{1E7E}{\udotaccent{V}} \DeclareUnicodeCharacter{1E7F}{\udotaccent{v}} \DeclareUnicodeCharacter{1E80}{\`W} \DeclareUnicodeCharacter{1E81}{\`w} \DeclareUnicodeCharacter{1E82}{\'W} \DeclareUnicodeCharacter{1E83}{\'w} \DeclareUnicodeCharacter{1E84}{\"W} \DeclareUnicodeCharacter{1E85}{\"w} \DeclareUnicodeCharacter{1E86}{\dotaccent{W}} \DeclareUnicodeCharacter{1E87}{\dotaccent{w}} \DeclareUnicodeCharacter{1E88}{\udotaccent{W}} \DeclareUnicodeCharacter{1E89}{\udotaccent{w}} \DeclareUnicodeCharacter{1E8A}{\dotaccent{X}} \DeclareUnicodeCharacter{1E8B}{\dotaccent{x}} \DeclareUnicodeCharacter{1E8C}{\"X} \DeclareUnicodeCharacter{1E8D}{\"x} \DeclareUnicodeCharacter{1E8E}{\dotaccent{Y}} \DeclareUnicodeCharacter{1E8F}{\dotaccent{y}} \DeclareUnicodeCharacter{1E90}{\^Z} \DeclareUnicodeCharacter{1E91}{\^z} \DeclareUnicodeCharacter{1E92}{\udotaccent{Z}} \DeclareUnicodeCharacter{1E93}{\udotaccent{z}} \DeclareUnicodeCharacter{1E94}{\ubaraccent{Z}} \DeclareUnicodeCharacter{1E95}{\ubaraccent{z}} \DeclareUnicodeCharacter{1E96}{\ubaraccent{h}} \DeclareUnicodeCharacter{1E97}{\"t} \DeclareUnicodeCharacter{1E98}{\ringaccent{w}} \DeclareUnicodeCharacter{1E99}{\ringaccent{y}} \DeclareUnicodeCharacter{1EA0}{\udotaccent{A}} \DeclareUnicodeCharacter{1EA1}{\udotaccent{a}} \DeclareUnicodeCharacter{1EB8}{\udotaccent{E}} \DeclareUnicodeCharacter{1EB9}{\udotaccent{e}} \DeclareUnicodeCharacter{1EBC}{\~E} \DeclareUnicodeCharacter{1EBD}{\~e} \DeclareUnicodeCharacter{1ECA}{\udotaccent{I}} \DeclareUnicodeCharacter{1ECB}{\udotaccent{i}} \DeclareUnicodeCharacter{1ECC}{\udotaccent{O}} \DeclareUnicodeCharacter{1ECD}{\udotaccent{o}} \DeclareUnicodeCharacter{1EE4}{\udotaccent{U}} \DeclareUnicodeCharacter{1EE5}{\udotaccent{u}} \DeclareUnicodeCharacter{1EF2}{\`Y} \DeclareUnicodeCharacter{1EF3}{\`y} \DeclareUnicodeCharacter{1EF4}{\udotaccent{Y}} \DeclareUnicodeCharacter{1EF8}{\~Y} \DeclareUnicodeCharacter{1EF9}{\~y} \DeclareUnicodeCharacter{2013}{--} \DeclareUnicodeCharacter{2014}{---} \DeclareUnicodeCharacter{2018}{\quoteleft} \DeclareUnicodeCharacter{2019}{\quoteright} \DeclareUnicodeCharacter{201A}{\quotesinglbase} \DeclareUnicodeCharacter{201C}{\quotedblleft} \DeclareUnicodeCharacter{201D}{\quotedblright} \DeclareUnicodeCharacter{201E}{\quotedblbase} \DeclareUnicodeCharacter{2022}{\bullet} \DeclareUnicodeCharacter{2026}{\dots} \DeclareUnicodeCharacter{2039}{\guilsinglleft} \DeclareUnicodeCharacter{203A}{\guilsinglright} \DeclareUnicodeCharacter{20AC}{\euro} \DeclareUnicodeCharacter{2192}{\expansion} \DeclareUnicodeCharacter{21D2}{\result} \DeclareUnicodeCharacter{2212}{\minus} \DeclareUnicodeCharacter{2217}{\point} \DeclareUnicodeCharacter{2261}{\equiv} }% end of \utfeightchardefs % US-ASCII character definitions. \def\asciichardefs{% nothing need be done \relax } % Make non-ASCII characters printable again for compatibility with % existing Texinfo documents that may use them, even without declaring a % document encoding. % \setnonasciicharscatcode \other \message{formatting,} \newdimen\defaultparindent \defaultparindent = 15pt \chapheadingskip = 15pt plus 4pt minus 2pt \secheadingskip = 12pt plus 3pt minus 2pt \subsecheadingskip = 9pt plus 2pt minus 2pt % Prevent underfull vbox error messages. \vbadness = 10000 % Don't be very finicky about underfull hboxes, either. \hbadness = 6666 % Following George Bush, get rid of widows and orphans. \widowpenalty=10000 \clubpenalty=10000 % Use TeX 3.0's \emergencystretch to help line breaking, but if we're % using an old version of TeX, don't do anything. We want the amount of % stretch added to depend on the line length, hence the dependence on % \hsize. We call this whenever the paper size is set. % \def\setemergencystretch{% \ifx\emergencystretch\thisisundefined % Allow us to assign to \emergencystretch anyway. \def\emergencystretch{\dimen0}% \else \emergencystretch = .15\hsize \fi } % Parameters in order: 1) textheight; 2) textwidth; % 3) voffset; 4) hoffset; 5) binding offset; 6) topskip; % 7) physical page height; 8) physical page width. % % We also call \setleading{\textleading}, so the caller should define % \textleading. The caller should also set \parskip. % \def\internalpagesizes#1#2#3#4#5#6#7#8{% \voffset = #3\relax \topskip = #6\relax \splittopskip = \topskip % \vsize = #1\relax \advance\vsize by \topskip \outervsize = \vsize \advance\outervsize by 2\topandbottommargin \pageheight = \vsize % \hsize = #2\relax \outerhsize = \hsize \advance\outerhsize by 0.5in \pagewidth = \hsize % \normaloffset = #4\relax \bindingoffset = #5\relax % \ifpdf \pdfpageheight #7\relax \pdfpagewidth #8\relax % if we don't reset these, they will remain at "1 true in" of % whatever layout pdftex was dumped with. \pdfhorigin = 1 true in \pdfvorigin = 1 true in \fi % \setleading{\textleading} % \parindent = \defaultparindent \setemergencystretch } % @letterpaper (the default). \def\letterpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt \textleading = 13.2pt % % If page is nothing but text, make it come out even. \internalpagesizes{607.2pt}{6in}% that's 46 lines {\voffset}{.25in}% {\bindingoffset}{36pt}% {11in}{8.5in}% }} % Use @smallbook to reset parameters for 7x9.25 trim size. \def\smallbook{{\globaldefs = 1 \parskip = 2pt plus 1pt \textleading = 12pt % \internalpagesizes{7.5in}{5in}% {-.2in}{0in}% {\bindingoffset}{16pt}% {9.25in}{7in}% % \lispnarrowing = 0.3in \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = .5cm }} % Use @smallerbook to reset parameters for 6x9 trim size. % (Just testing, parameters still in flux.) \def\smallerbook{{\globaldefs = 1 \parskip = 1.5pt plus 1pt \textleading = 12pt % \internalpagesizes{7.4in}{4.8in}% {-.2in}{-.4in}% {0pt}{14pt}% {9in}{6in}% % \lispnarrowing = 0.25in \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = .4cm }} % Use @afourpaper to print on European A4 paper. \def\afourpaper{{\globaldefs = 1 \parskip = 3pt plus 2pt minus 1pt \textleading = 13.2pt % % Double-side printing via postscript on Laserjet 4050 % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. % To change the settings for a different printer or situation, adjust % \normaloffset until the front-side and back-side texts align. Then % do the same for \bindingoffset. You can set these for testing in % your texinfo source file like this: % @tex % \global\normaloffset = -6mm % \global\bindingoffset = 10mm % @end tex \internalpagesizes{673.2pt}{160mm}% that's 51 lines {\voffset}{\hoffset}% {\bindingoffset}{44pt}% {297mm}{210mm}% % \tolerance = 700 \hfuzz = 1pt \contentsrightmargin = 0pt \defbodyindent = 5mm }} % Use @afivepaper to print on European A5 paper. % From romildo@urano.iceb.ufop.br, 2 July 2000. % He also recommends making @example and @lisp be small. \def\afivepaper{{\globaldefs = 1 \parskip = 2pt plus 1pt minus 0.1pt \textleading = 12.5pt % \internalpagesizes{160mm}{120mm}% {\voffset}{\hoffset}% {\bindingoffset}{8pt}% {210mm}{148mm}% % \lispnarrowing = 0.2in \tolerance = 800 \hfuzz = 1.2pt \contentsrightmargin = 0pt \defbodyindent = 2mm \tableindent = 12mm }} % A specific text layout, 24x15cm overall, intended for A4 paper. \def\afourlatex{{\globaldefs = 1 \afourpaper \internalpagesizes{237mm}{150mm}% {\voffset}{4.6mm}% {\bindingoffset}{7mm}% {297mm}{210mm}% % % Must explicitly reset to 0 because we call \afourpaper. \globaldefs = 0 }} % Use @afourwide to print on A4 paper in landscape format. \def\afourwide{{\globaldefs = 1 \afourpaper \internalpagesizes{241mm}{165mm}% {\voffset}{-2.95mm}% {\bindingoffset}{7mm}% {297mm}{210mm}% \globaldefs = 0 }} % @pagesizes TEXTHEIGHT[,TEXTWIDTH] % Perhaps we should allow setting the margins, \topskip, \parskip, % and/or leading, also. Or perhaps we should compute them somehow. % \parseargdef\pagesizes{\pagesizesyyy #1,,\finish} \def\pagesizesyyy#1,#2,#3\finish{{% \setbox0 = \hbox{\ignorespaces #2}\ifdim\wd0 > 0pt \hsize=#2\relax \fi \globaldefs = 1 % \parskip = 3pt plus 2pt minus 1pt \setleading{\textleading}% % \dimen0 = #1\relax \advance\dimen0 by \voffset % \dimen2 = \hsize \advance\dimen2 by \normaloffset % \internalpagesizes{#1}{\hsize}% {\voffset}{\normaloffset}% {\bindingoffset}{44pt}% {\dimen0}{\dimen2}% }} % Set default to letter. % \letterpaper \message{and turning on texinfo input format.} \def^^L{\par} % remove \outer, so ^L can appear in an @comment % DEL is a comment character, in case @c does not suffice. \catcode`\^^? = 14 % Define macros to output various characters with catcode for normal text. \catcode`\"=\other \def\normaldoublequote{"} \catcode`\$=\other \def\normaldollar{$}%$ font-lock fix \catcode`\+=\other \def\normalplus{+} \catcode`\<=\other \def\normalless{<} \catcode`\>=\other \def\normalgreater{>} \catcode`\^=\other \def\normalcaret{^} \catcode`\_=\other \def\normalunderscore{_} \catcode`\|=\other \def\normalverticalbar{|} \catcode`\~=\other \def\normaltilde{~} % This macro is used to make a character print one way in \tt % (where it can probably be output as-is), and another way in other fonts, % where something hairier probably needs to be done. % % #1 is what to print if we are indeed using \tt; #2 is what to print % otherwise. Since all the Computer Modern typewriter fonts have zero % interword stretch (and shrink), and it is reasonable to expect all % typewriter fonts to have this, we can check that font parameter. % \def\ifusingtt#1#2{\ifdim \fontdimen3\font=0pt #1\else #2\fi} % Same as above, but check for italic font. Actually this also catches % non-italic slanted fonts since it is impossible to distinguish them from % italic fonts. But since this is only used by $ and it uses \sl anyway % this is not a problem. \def\ifusingit#1#2{\ifdim \fontdimen1\font>0pt #1\else #2\fi} % Turn off all special characters except @ % (and those which the user can use as if they were ordinary). % Most of these we simply print from the \tt font, but for some, we can % use math or other variants that look better in normal text. \catcode`\"=\active \def\activedoublequote{{\tt\char34}} \let"=\activedoublequote \catcode`\~=\active \def~{{\tt\char126}} \chardef\hat=`\^ \catcode`\^=\active \def^{{\tt \hat}} \catcode`\_=\active \def_{\ifusingtt\normalunderscore\_} \let\realunder=_ % Subroutine for the previous macro. \def\_{\leavevmode \kern.07em \vbox{\hrule width.3em height.1ex}\kern .07em } \catcode`\|=\active \def|{{\tt\char124}} \chardef \less=`\< \catcode`\<=\active \def<{{\tt \less}} \chardef \gtr=`\> \catcode`\>=\active \def>{{\tt \gtr}} \catcode`\+=\active \def+{{\tt \char 43}} \catcode`\$=\active \def${\ifusingit{{\sl\$}}\normaldollar}%$ font-lock fix % If a .fmt file is being used, characters that might appear in a file % name cannot be active until we have parsed the command line. % So turn them off again, and have \everyjob (or @setfilename) turn them on. % \otherifyactive is called near the end of this file. \def\otherifyactive{\catcode`+=\other \catcode`\_=\other} % Used sometimes to turn off (effectively) the active characters even after % parsing them. \def\turnoffactive{% \normalturnoffactive \otherbackslash } \catcode`\@=0 % \backslashcurfont outputs one backslash character in current font, % as in \char`\\. \global\chardef\backslashcurfont=`\\ \global\let\rawbackslashxx=\backslashcurfont % let existing .??s files work % \realbackslash is an actual character `\' with catcode other, and % \doublebackslash is two of them (for the pdf outlines). {\catcode`\\=\other @gdef@realbackslash{\} @gdef@doublebackslash{\\}} % In texinfo, backslash is an active character; it prints the backslash % in fixed width font. \catcode`\\=\active % @ for escape char from now on. % The story here is that in math mode, the \char of \backslashcurfont % ends up printing the roman \ from the math symbol font (because \char % in math mode uses the \mathcode, and plain.tex sets % \mathcode`\\="026E). It seems better for @backslashchar{} to always % print a typewriter backslash, hence we use an explicit \mathchar, % which is the decimal equivalent of "715c (class 7, e.g., use \fam; % ignored family value; char position "5C). We can't use " for the % usual hex value because it has already been made active. @def@normalbackslash{{@tt @ifmmode @mathchar29020 @else @backslashcurfont @fi}} @let@backslashchar = @normalbackslash % @backslashchar{} is for user documents. % On startup, @fixbackslash assigns: % @let \ = @normalbackslash % \rawbackslash defines an active \ to do \backslashcurfont. % \otherbackslash defines an active \ to be a literal `\' character with % catcode other. We switch back and forth between these. @gdef@rawbackslash{@let\=@backslashcurfont} @gdef@otherbackslash{@let\=@realbackslash} % Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of % the literal character `\'. % @def@normalturnoffactive{% @let"=@normaldoublequote @let$=@normaldollar %$ font-lock fix @let+=@normalplus @let<=@normalless @let>=@normalgreater @let\=@normalbackslash @let^=@normalcaret @let_=@normalunderscore @let|=@normalverticalbar @let~=@normaltilde @markupsetuplqdefault @markupsetuprqdefault @unsepspaces } % Make _ and + \other characters, temporarily. % This is canceled by @fixbackslash. @otherifyactive % If a .fmt file is being used, we don't want the `\input texinfo' to show up. % That is what \eatinput is for; after that, the `\' should revert to printing % a backslash. % @gdef@eatinput input texinfo{@fixbackslash} @global@let\ = @eatinput % On the other hand, perhaps the file did not have a `\input texinfo'. Then % the first `\' in the file would cause an error. This macro tries to fix % that, assuming it is called before the first `\' could plausibly occur. % Also turn back on active characters that might appear in the input % file name, in case not using a pre-dumped format. % @gdef@fixbackslash{% @ifx\@eatinput @let\ = @normalbackslash @fi @catcode`+=@active @catcode`@_=@active } % Say @foo, not \foo, in error messages. @escapechar = `@@ % These (along with & and #) are made active for url-breaking, so need % active definitions as the normal characters. @def@normaldot{.} @def@normalquest{?} @def@normalslash{/} % These look ok in all fonts, so just make them not special. % @hashchar{} gets its own user-level command, because of #line. @catcode`@& = @other @def@normalamp{&} @catcode`@# = @other @def@normalhash{#} @catcode`@% = @other @def@normalpercent{%} @let @hashchar = @normalhash @c Finally, make ` and ' active, so that txicodequoteundirected and @c txicodequotebacktick work right in, e.g., @w{@code{`foo'}}. If we @c don't make ` and ' active, @code will not get them as active chars. @c Do this last of all since we use ` in the previous @catcode assignments. @catcode`@'=@active @catcode`@`=@active @markupsetuplqdefault @markupsetuprqdefault @c Local variables: @c eval: (add-hook 'write-file-hooks 'time-stamp) @c page-delimiter: "^\\\\message" @c time-stamp-start: "def\\\\texinfoversion{" @c time-stamp-format: "%:y-%02m-%02d.%02H" @c time-stamp-end: "}" @c End: @c vim:sw=2: @ignore arch-tag: e1b36e32-c96e-4135-a41a-0b2efa2ea115 @end ignore libmicrohttpd-0.9.33/doc/libmicrohttpd-tutorial.info0000644000175000017500000043162212255341021017525 00000000000000This is libmicrohttpd-tutorial.info, produced by makeinfo version 4.13 from libmicrohttpd-tutorial.texi. INFO-DIR-SECTION Software libraries START-INFO-DIR-ENTRY * libmicrohttpdtutorial: (libmicrohttpd). A tutorial for GNU libmicrohttpd. END-INFO-DIR-ENTRY This tutorial documents GNU libmicrohttpd version 0.9.22, last updated 17 July 2012. Copyright (c) 2008 Sebastian Gerhardt. Copyright (c) 2010, 2011, 2012 Christian Grothoff. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".  File: libmicrohttpd-tutorial.info, Node: Top, Next: Introduction, Up: (dir) A Tutorial for GNU libmicrohttpd ******************************** This tutorial documents GNU libmicrohttpd version 0.9.22, last updated 17 July 2012. Copyright (c) 2008 Sebastian Gerhardt. Copyright (c) 2010, 2011, 2012 Christian Grothoff. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". * Menu: * Introduction:: * Hello browser example:: * Exploring requests:: * Response headers:: * Supporting basic authentication:: * Processing POST data:: * Improved processing of POST data:: * Session management:: * Adding a layer of security:: * Bibliography:: * License text:: * Example programs::  File: libmicrohttpd-tutorial.info, Node: Introduction, Next: Hello browser example, Prev: Top, Up: Top 1 Introduction ************** This tutorial is for developers who want to learn how they can add HTTP serving capabilities to their applications with the _GNU libmicrohttpd_ library, abbreviated _MHD_. The reader will learn how to implement basic HTTP functions from simple executable sample programs that implement various features. The text is supposed to be a supplement to the API reference manual of _GNU libmicrohttpd_ and for that reason does not explain many of the parameters. Therefore, the reader should always consult the manual to find the exact meaning of the functions used in the tutorial. Furthermore, the reader is encouraged to study the relevant _RFCs_, which document the HTTP standard. _GNU libmicrohttpd_ is assumed to be already installed. This tutorial is written for version 0.9.22. At the time being, this tutorial has only been tested on _GNU/Linux_ machines even though efforts were made not to rely on anything that would prevent the samples from being built on similar systems. 1.1 History =========== This tutorial was originally written by Sebastian Gerhardt for MHD 0.4.0. It was slighly polished and updated to MHD 0.9.0 by Christian Grothoff.  File: libmicrohttpd-tutorial.info, Node: Hello browser example, Next: Exploring requests, Prev: Introduction, Up: Top 2 Hello browser example *********************** The most basic task for a HTTP server is to deliver a static text message to any client connecting to it. Given that this is also easy to implement, it is an excellent problem to start with. For now, the particular URI the client asks for shall have no effect on the message that will be returned. In addition, the server shall end the connection after the message has been sent so that the client will know there is nothing more to expect. The C program `hellobrowser.c', which is to be found in the examples section, does just that. If you are very eager, you can compile and start it right away but it is advisable to type the lines in by yourself as they will be discussed and explained in detail. After the necessary includes and the definition of the port which our server should listen on #include #include #include #include #define PORT 8888 the desired behaviour of our server when HTTP request arrive has to be implemented. We already have agreed that it should not care about the particular details of the request, such as who is requesting what. The server will respond merely with the same small HTML page to every request. The function we are going to write now will be called by _GNU libmicrohttpd_ every time an appropriate request comes in. While the name of this callback function is arbitrary, its parameter list has to follow a certain layout. So please, ignore the lot of parameters for now, they will be explained at the point they are needed. We have to use only one of them, `struct MHD_Connection *connection', for the minimalistic functionality we want to archive at the moment. This parameter is set by the _libmicrohttpd_ daemon and holds the necessary information to relate the call with a certain connection. Keep in mind that a server might have to satisfy hundreds of concurrent connections and we have to make sure that the correct data is sent to the destined client. Therefore, this variable is a means to refer to a particular connection if we ask the daemon to sent the reply. Talking about the reply, it is defined as a string right after the function header int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { const char *page = "Hello, browser!"; HTTP is a rather strict protocol and the client would certainly consider it "inappropriate" if we just sent the answer string "as is". Instead, it has to be wrapped with additional information stored in so-called headers and footers. Most of the work in this area is done by the library for us--we just have to ask. Our reply string packed in the necessary layers will be called a "response". To obtain such a response we hand our data (the reply-string) and its size over to the `MHD_create_response_from_buffer' function. The last two parameters basically tell _MHD_ that we do not want it to dispose the message data for us when it has been sent and there also needs no internal copy to be done because the _constant_ string won't change anyway. struct MHD_Response *response; int ret; response = MHD_create_response_from_buffer (strlen (page), (void*) page, MHD_RESPMEM_PERSISTENT); Now that the the response has been laced up, it is ready for delivery and can be queued for sending. This is done by passing it to another _GNU libmicrohttpd_ function. As all our work was done in the scope of one function, the recipient is without doubt the one associated with the local variable `connection' and consequently this variable is given to the queue function. Every HTTP response is accompanied by a status code, here "OK", so that the client knows this response is the intended result of his request and not due to some error or malfunction. Finally, the packet is destroyed and the return value from the queue returned, already being set at this point to either MHD_YES or MHD_NO in case of success or failure. ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } With the primary task of our server implemented, we can start the actual server daemon which will listen on `PORT' for connections. This is done in the main function. int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; The first parameter is one of three possible modes of operation. Here we want the daemon to run in a separate thread and to manage all incoming connections in the same thread. This means that while producing the response for one connection, the other connections will be put on hold. In this example, where the reply is already known and therefore the request is served quickly, this poses no problem. We will allow all clients to connect regardless of their name or location, therefore we do not check them on connection and set the forth and fifth parameter to NULL. Parameter six is the address of the function we want to be called whenever a new connection has been established. Our `answer_to_connection' knows best what the client wants and needs no additional information (which could be passed via the next parameter) so the next parameter is NULL. Likewise, we do not need to pass extra options to the daemon so we just write the MHD_OPTION_END as the last parameter. As the server daemon runs in the background in its own thread, the execution flow in our main function will contine right after the call. Because of this, we must delay the execution flow in the main thread or else the program will terminate prematurely. We let it pause in a processing-time friendly manner by waiting for the enter key to be pressed. In the end, we stop the daemon so it can do its cleanup tasks. getchar (); MHD_stop_daemon (daemon); return 0; } The first example is now complete. Compile it with cc hellobrowser.c -o hellobrowser -I$PATH_TO_LIBMHD_INCLUDES -L$PATH_TO_LIBMHD_LIBS -lmicrohttpd with the two paths set accordingly and run it. Now open your favorite Internet browser and go to the address `http://localhost:8888/', provided that 8888 is the port you chose. If everything works as expected, the browser will present the message of the static HTML page it got from our minimal server. Remarks ======= To keep this first example as small as possible, some drastic shortcuts were taken and are to be discussed now. Firstly, there is no distinction made between the kinds of requests a client could send. We implied that the client sends a GET request, that means, that he actually asked for some data. Even when it is not intended to accept POST requests, a good server should at least recognize that this request does not constitute a legal request and answer with an error code. This can be easily implemented by checking if the parameter `method' equals the string "GET" and returning a `MHD_NO' if not so. Secondly, the above practice of queuing a response upon the first call of the callback function brings with it some limitations. This is because the content of the message body will not be received if a response is queued in the first iteration. Furthermore, the connection will be closed right after the response has been transferred then. This is typically not what you want as it disables HTTP pipelining. The correct approach is to simply not queue a message on the first callback unless there is an error. The `void**' argument to the callback provides a location for storing information about the history of the connection; for the first call, the pointer will point to NULL. A simplistic way to differenciate the first call from others is to check if the pointer is NULL and set it to a non-NULL value during the first call. Both of these issues you will find addressed in the official `minimal_example.c' residing in the `src/examples' directory of the _MHD_ package. The source code of this program should look very familiar to you by now and easy to understand. For our example, the `must_copy' and `must_free' parameter at the response construction function could be set to `MHD_NO'. In the usual case, responses cannot be sent immediately after being queued. For example, there might be other data on the system that needs to be sent with a higher priority. Nevertheless, the queue function will return successfully--raising the problem that the data we have pointed to may be invalid by the time it is about being sent. This is not an issue here because we can expect the `page' string, which is a constant _string literal_ here, to be static. That means it will be present and unchanged for as long as the program runs. For dynamic data, one could choose to either have _MHD_ free the memory `page' points to itself when it is not longer needed or, alternatively, have the library to make and manage its own copy of it. Exercises ========= * While the server is running, use a program like `telnet' or `netcat' to connect to it. Try to form a valid HTTP 1.1 request yourself like GET /dontcare HTTP/1.1 Host: itsme and see what the server returns to you. * Also, try other requests, like POST, and see how our server does not mind and why. How far in malforming a request can you go before the builtin functionality of _MHD_ intervenes and an altered response is sent? Make sure you read about the status codes in the _RFC_. * Add the option `MHD_USE_PEDANTIC_CHECKS' to the start function of the daemon in `main'. Mind the special format of the parameter list here which is described in the manual. How indulgent is the server now to your input? * Let the main function take a string as the first command line argument and pass `argv[1]' to the `MHD_start_daemon' function as the sixth parameter. The address of this string will be passed to the callback function via the `cls' variable. Decorate the text given at the command line when the server is started with proper HTML tags and send it as the response instead of the former static string. * _Demanding:_ Write a separate function returning a string containing some useful information, for example, the time. Pass the function's address as the sixth parameter and evaluate this function on every request anew in `answer_to_connection'. Remember to free the memory of the string every time after satisfying the request.  File: libmicrohttpd-tutorial.info, Node: Exploring requests, Next: Response headers, Prev: Hello browser example, Up: Top 3 Exploring requests ******************** This chapter will deal with the information which the client sends to the server at every request. We are going to examine the most useful fields of such an request and print them out in a readable manner. This could be useful for logging facilities. The starting point is the _hellobrowser_ program with the former response removed. This time, we just want to collect information in the callback function, thus we will just return MHD_NO after we have probed the request. This way, the connection is closed without much ado by the server. static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { ... return MHD_NO; } The ellipsis marks the position where the following instructions shall be inserted. We begin with the most obvious information available to the server, the request line. You should already have noted that a request consists of a command (or "HTTP method") and a URI (e.g. a filename). It also contains a string for the version of the protocol which can be found in `version'. To call it a "new request" is justified because we return only `MHD_NO', thus ensuring the function will not be called again for this connection. printf ("New %s request for %s using version %s\n", method, url, version); The rest of the information is a bit more hidden. Nevertheless, there is lot of it sent from common Internet browsers. It is stored in "key-value" pairs and we want to list what we find in the header. As there is no mandatory set of keys a client has to send, each key-value pair is printed out one by one until there are no more left. We do this by writing a separate function which will be called for each pair just like the above function is called for each HTTP request. It can then print out the content of this pair. int print_out_key (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { printf ("%s: %s\n", key, value); return MHD_YES; } To start the iteration process that calls our new function for every key, the line MHD_get_connection_values (connection, MHD_HEADER_KIND, &print_out_key, NULL); needs to be inserted in the connection callback function too. The second parameter tells the function that we are only interested in keys from the general HTTP header of the request. Our iterating function `print_out_key' does not rely on any additional information to fulfill its duties so the last parameter can be NULL. All in all, this constitutes the complete `logging.c' program for this chapter which can be found in the `examples' section. Connecting with any modern Internet browser should yield a handful of keys. You should try to interpret them with the aid of _RFC 2616_. Especially worth mentioning is the "Host" key which is often used to serve several different websites hosted under one single IP address but reachable by different domain names (this is called virtual hosting). Conclusion ========== The introduced capabilities to itemize the content of a simple GET request--especially the URI--should already allow the server to satisfy clients' requests for small specific resources (e.g. files) or even induce alteration of server state. However, the latter is not recommended as the GET method (including its header data) is by convention considered a "safe" operation, which should not change the server's state in a significant way. By convention, GET operations can thus be performed by crawlers and other automatic software. Naturally actions like searching for a passed string are fine. Of course, no transmission can occur while the return value is still set to `MHD_NO' in the callback function. Exercises ========= * By parsing the `url' string and delivering responses accordingly, implement a small server for "virtual" files. When asked for `/index.htm{l}', let the response consist of a HTML page containing a link to `/another.html' page which is also to be created "on the fly" in case of being requested. If neither of these two pages are requested, `MHD_HTTP_NOT_FOUND' shall be returned accompanied by an informative message. * A very interesting information has still been ignored by our logger--the client's IP address. Implement a callback function static int on_client_connect (void *cls, const struct sockaddr *addr, socklen_t addrlen) that prints out the IP address in an appropriate format. You might want to use the POSIX function `inet_ntoa' but bear in mind that `addr' is actually just a structure containing other substructures and is _not_ the variable this function expects. Make sure to return `MHD_YES' so that the library knows the client is allowed to connect (and to then process the request). If one wanted to limit access basing on IP addresses, this would be the place to do it. The address of your `on_client_connect' function must be passed as the third parameter to the `MHD_start_daemon' call.  File: libmicrohttpd-tutorial.info, Node: Response headers, Next: Supporting basic authentication, Prev: Exploring requests, Up: Top 4 Response headers ****************** Now that we are able to inspect the incoming request in great detail, this chapter discusses the means to enrich the outgoing responses likewise. As you have learned in the _Hello, Browser_ chapter, some obligatory header fields are added and set automatically for simple responses by the library itself but if more advanced features are desired, additional fields have to be created. One of the possible fields is the content type field and an example will be developed around it. This will lead to an application capable of correctly serving different types of files. When we responded with HTML page packed in the static string previously, the client had no choice but guessing about how to handle the response, because the server had not told him. What if we had sent a picture or a sound file? Would the message have been understood or merely been displayed as an endless stream of random characters in the browser? This is what the mime content types are for. The header of the response is extended by certain information about how the data is to be interpreted. To introduce the concept, a picture of the format _PNG_ will be sent to the client and labeled accordingly with `image/png'. Once again, we can base the new example on the `hellobrowser' program. #define FILENAME "picture.png" #define MIMETYPE "image/png" static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { unsigned char *buffer = NULL; struct MHD_Response *response; We want the program to open the file for reading and determine its size: int fd; int ret; struct stat sbuf; if (0 != strcmp (method, "GET")) return MHD_NO; if ( (-1 == (fd = open (FILENAME, O_RDONLY))) || (0 != fstat (fd, &sbuf)) ) { /* error accessing file */ /* ... (see below) */ } /* ... (see below) */ When dealing with files, there is a lot that could go wrong on the server side and if so, the client should be informed with `MHD_HTTP_INTERNAL_SERVER_ERROR'. /* error accessing file */ if (fd != -1) close (fd); const char *errorstr = "An internal server error has occured!\ "; response = MHD_create_response_from_buffer (strlen (errorstr), (void *) errorstr, MHD_RESPMEM_PERSISTENT); if (response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return MHD_YES; } else return MHD_NO; if (!ret) { const char *errorstr = "An internal server error has occured!\ "; if (buffer) free(buffer); response = MHD_create_response_from_buffer (strlen(errorstr), (void*) errorstr, MHD_RESPMEM_PERSISTENT); if (response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return MHD_YES; } else return MHD_NO; } Note that we nevertheless have to create a response object even for sending a simple error code. Otherwise, the connection would just be closed without comment, leaving the client curious about what has happened. But in the case of success a response will be constructed directly from the file descriptor: /* error accessing file */ /* ... (see above) */ } response = MHD_create_response_from_fd_at_offset (sbuf.st_size, fd, 0); MHD_add_response_header (response, "Content-Type", MIMETYPE); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); Note that the response object will take care of closing the file desciptor for us. Up to this point, there was little new. The actual novelty is that we enhance the header with the meta data about the content. Aware of the field's name we want to add, it is as easy as that: MHD_add_response_header(response, "Content-Type", MIMETYPE); We do not have to append a colon expected by the protocol behind the first field--_GNU libhttpdmicro_ will take care of this. The function finishes with the well-known lines ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } The complete program `responseheaders.c' is in the `examples' section as usual. Find a _PNG_ file you like and save it to the directory the example is run from under the name `picture.png'. You should find the image displayed on your browser if everything worked well. Remarks ======= The include file of the _MHD_ library comes with the header types mentioned in _RFC 2616_ already defined as macros. Thus, we could have written `MHD_HTTP_HEADER_CONTENT_TYPE' instead of `"Content-Type"' as well. However, one is not limited to these standard headers and could add custom response headers without violating the protocol. Whether, and how, the client would react to these custom header is up to the receiver. Likewise, the client is allowed to send custom request headers to the server as well, opening up yet more possibilities how client and server could communicate with each other. The method of creating the response from a file on disk only works for static content. Serving dynamically created responses will be a topic of a future chapter. Exercises ========= * Remember that the original program was written under a few assumptions--a static response using a local file being one of them. In order to simulate a very large or hard to reach file that cannot be provided instantly, postpone the queuing in the callback with the `sleep' function for 30 seconds _if_ the file `/big.png' is requested (but deliver the same as above). A request for `/picture.png' should provide just the same but without any artificial delays. Now start two instances of your browser (or even use two machines) and see how the second client is put on hold while the first waits for his request on the slow file to be fulfilled. Finally, change the sourcecode to use `MHD_USE_THREAD_PER_CONNECTION' when the daemon is started and try again. * Did you succeed in implementing the clock exercise yet? This time, let the server save the program's start time `t' and implement a response simulating a countdown that reaches 0 at `t+60'. Returning a message saying on which point the countdown is, the response should ultimately be to reply "Done" if the program has been running long enough, An unofficial, but widely understood, response header line is `Refresh: DELAY; url=URL' with the uppercase words substituted to tell the client it should request the given resource after the given delay again. Improve your program in that the browser (any modern browser should work) automatically reconnects and asks for the status again every 5 seconds or so. The URL would have to be composed so that it begins with "http://", followed by the _URI_ the server is reachable from the client's point of view. Maybe you want also to visualize the countdown as a status bar by creating a `' consisting of one row and `n' columns whose fields contain small images of either a red or a green light.  File: libmicrohttpd-tutorial.info, Node: Supporting basic authentication, Next: Processing POST data, Prev: Response headers, Up: Top 5 Supporting basic authentication ********************************* With the small exception of IP address based access control, requests from all connecting clients where served equally until now. This chapter discusses a first method of client's authentication and its limits. A very simple approach feasible with the means already discussed would be to expect the password in the _URI_ string before granting access to the secured areas. The password could be separated from the actual resource identifier by a certain character, thus the request line might look like GET /picture.png?mypassword In the rare situation where the client is customized enough and the connection occurs through secured lines (e.g., a embedded device directly attached to another via wire) and where the ability to embedd a password in the URI or to pass on a URI with a password are desired, this can be a reasonable choice. But when it is assumed that the user connecting does so with an ordinary Internet browser, this implementation brings some problems about. For example, the URI including the password stays in the address field or at least in the history of the browser for anybody near enough to see. It will also be inconvenient to add the password manually to any new URI when the browser does not know how to compose this automatically. At least the convenience issue can be addressed by employing the simplest built-in password facilities of HTTP compliant browsers, hence we want to start there. It will however turn out to have still severe weaknesses in terms of security which need consideration. Before we will start implementing _Basic Authentication_ as described in _RFC 2617_, we should finally abandon the bad practice of responding every request the first time our callback is called for a given connection. This is becoming more important now because the client and the server will have to talk in a more bi-directional way than before to But how can we tell whether the callback has been called before for the particular connection? Initially, the pointer this parameter references is set by _MHD_ in the callback. But it will also be "remembered" on the next call (for the same connection). Thus, we will generate no response until the parameter is non-null--implying the callback was called before at least once. We do not need to share information between different calls of the callback, so we can set the parameter to any adress that is assured to be not null. The pointer to the `connection' structure will be pointing to a legal address, so we take this. The first time `answer_to_connection' is called, we will not even look at the headers. static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (0 != strcmp(method, "GET")) return MHD_NO; if (NULL == *con_cls) {*con_cls = connection; return MHD_YES;} ... /* else respond accordingly */ ... } Note how we lop off the connection on the first condition (no "GET" request), but return asking for more on the other one with `MHD_YES'. With this minor change, we can proceed to implement the actual authentication process. Request for authentication ========================== Let us assume we had only files not intended to be handed out without the correct username/password, so every "GET" request will be challenged. _RFC 2617_ describes how the server shall ask for authentication by adding a _WWW-Authenticate_ response header with the name of the _realm_ protected. MHD can generate and queue such a failure response for you using the `MHD_queue_basic_auth_fail_response' API. The only thing you need to do is construct a response with the error page to be shown to the user if he aborts basic authentication. But first, you should check if the proper credentials were already supplied using the `MHD_basic_auth_get_username_password' call. Your code would then look like this: static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { char *user; char *pass; int fail; struct MHD_Response *response; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (user == NULL) || (0 != strcmp (user, "root")) || (0 != strcmp (pass, "pa$$w0rd") ) ); if (user != NULL) free (user); if (pass != NULL) free (pass); if (fail) { const char *page = "Go away."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection, "my realm", response); } else { const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } MHD_destroy_response (response); return ret; } See the `examples' directory for the complete example file. Remarks ======= For a proper server, the conditional statements leading to a return of `MHD_NO' should yield a response with a more precise status code instead of silently closing the connection. For example, failures of memory allocation are best reported as _internal server error_ and unexpected authentication methods as _400 bad request_. Exercises ========= * Make the server respond to wrong credentials (but otherwise well-formed requests) with the recommended _401 unauthorized_ status code. If the client still does not authenticate correctly within the same connection, close it and store the client's IP address for a certain time. (It is OK to check for expiration not until the main thread wakes up again on the next connection.) If the client fails authenticating three times during this period, add it to another list for which the `AcceptPolicyCallback' function denies connection (temporally). * With the network utility `netcat' connect and log the response of a "GET" request as you did in the exercise of the first example, this time to a file. Now stop the server and let _netcat_ listen on the same port the server used to listen on and have it fake being the proper server by giving the file's content as the response (e.g. `cat log | nc -l -p 8888'). Pretending to think your were connecting to the actual server, browse to the eavesdropper and give the correct credentials. Copy and paste the encoded string you see in `netcat''s output to some of the Base64 decode tools available online and see how both the user's name and password could be completely restored.  File: libmicrohttpd-tutorial.info, Node: Processing POST data, Next: Improved processing of POST data, Prev: Supporting basic authentication, Up: Top 6 Processing POST data ********************** The previous chapters already have demonstrated a variety of possibilities to send information to the HTTP server, but it is not recommended that the _GET_ method is used to alter the way the server operates. To induce changes on the server, the _POST_ method is preferred over and is much more powerful than _GET_ and will be introduced in this chapter. We are going to write an application that asks for the visitor's name and, after the user has posted it, composes an individual response text. Even though it was not mandatory to use the _POST_ method here, as there is no permanent change caused by the POST, it is an illustrative example on how to share data between different functions for the same connection. Furthermore, the reader should be able to extend it easily. GET request =========== When the first _GET_ request arrives, the server shall respond with a HTML page containing an edit field for the name. const char* askpage = "\ What's your name, Sir?
    \ \ \ "; The `action' entry is the _URI_ to be called by the browser when posting, and the `name' will be used later to be sure it is the editbox's content that has been posted. We also prepare the answer page, where the name is to be filled in later, and an error page as the response for anything but proper _GET_ and _POST_ requests: const char* greatingpage="

    Welcome, %s!

    "; const char* errorpage="This doesn't seem to be right."; Whenever we need to send a page, we use an extra function `int send_page(struct MHD_Connection *connection, const char* page)' for this, which does not contain anything new and whose implementation is therefore not discussed further in the tutorial. POST request ============ Posted data can be of arbitrary and considerable size; for example, if a user uploads a big image to the server. Similar to the case of the header fields, there may also be different streams of posted data, such as one containing the text of an editbox and another the state of a button. Likewise, we will have to register an iterator function that is going to be called maybe several times not only if there are different POSTs but also if one POST has only been received partly yet and needs processing before another chunk can be received. Such an iterator function is called by a _postprocessor_, which must be created upon arriving of the post request. We want the iterator function to read the first post data which is tagged `name' and to create an individual greeting string based on the template and the name. But in order to pass this string to other functions and still be able to differentiate different connections, we must first define a structure to share the information, holding the most import entries. struct connection_info_struct { int connectiontype; char *answerstring; struct MHD_PostProcessor *postprocessor; }; With these information available to the iterator function, it is able to fulfill its task. Once it has composed the greeting string, it returns `MHD_NO' to inform the post processor that it does not need to be called again. Note that this function does not handle processing of data for the same `key'. If we were to expect that the name will be posted in several chunks, we had to expand the namestring dynamically as additional parts of it with the same `key' came in. But in this example, the name is assumed to fit entirely inside one single packet. static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; if (0 == strcmp (key, "name")) { if ((size > 0) && (size <= MAXNAMESIZE)) { char *answerstring; answerstring = malloc (MAXANSWERSIZE); if (!answerstring) return MHD_NO; snprintf (answerstring, MAXANSWERSIZE, greatingpage, data); con_info->answerstring = answerstring; } else con_info->answerstring = NULL; return MHD_NO; } return MHD_YES; } Once a connection has been established, it can be terminated for many reasons. As these reasons include unexpected events, we have to register another function that cleans up any resources that might have been allocated for that connection by us, namely the post processor and the greetings string. This cleanup function must take into account that it will also be called for finished requests other than _POST_ requests. void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { MHD_destroy_post_processor (con_info->postprocessor); if (con_info->answerstring) free (con_info->answerstring); } free (con_info); *con_cls = NULL; } _GNU libmicrohttpd_ is informed that it shall call the above function when the daemon is started in the main function. ... daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, &request_completed, NULL, MHD_OPTION_END); ... Request handling ================ With all other functions prepared, we can now discuss the actual request handling. On the first iteration for a new request, we start by allocating a new instance of a `struct connection_info_struct' structure, which will store all necessary information for later iterations and other functions. static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if(NULL == *con_cls) { struct connection_info_struct *con_info; con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->answerstring = NULL; If the new request is a _POST_, the postprocessor must be created now. In addition, the type of the request is stored for convenience. if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void*) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } con_info->connectiontype = POST; } else con_info->connectiontype = GET; The address of our structure will both serve as the indicator for successive iterations and to remember the particular details about the connection. *con_cls = (void*) con_info; return MHD_YES; } The rest of the function will not be executed on the first iteration. A _GET_ request is easily satisfied by sending the question form. if (0 == strcmp (method, "GET")) { return send_page (connection, askpage); } In case of _POST_, we invoke the post processor for as long as data keeps incoming, setting `*upload_data_size' to zero in order to indicate that we have processed--or at least have considered--all of it. if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (*upload_data_size != 0) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else if (NULL != con_info->answerstring) return send_page (connection, con_info->answerstring); } Finally, if they are neither _GET_ nor _POST_ requests, the error page is returned. return send_page(connection, errorpage); } These were the important parts of the program `simplepost.c'.  File: libmicrohttpd-tutorial.info, Node: Improved processing of POST data, Next: Session management, Prev: Processing POST data, Up: Top 7 Improved processing of POST data ********************************** The previous chapter introduced a way to upload data to the server, but the developed example program has some shortcomings, such as not being able to handle larger chunks of data. In this chapter, we are going to discuss a more advanced server program that allows clients to upload a file in order to have it stored on the server's filesystem. The server shall also watch and limit the number of clients concurrently uploading, responding with a proper busy message if necessary. Prepared answers ================ We choose to operate the server with the `SELECT_INTERNALLY' method. This makes it easier to synchronize the global states at the cost of possible delays for other connections if the processing of a request is too slow. One of these variables that needs to be shared for all connections is the total number of clients that are uploading. #define MAXCLIENTS 2 static unsigned int nr_of_uploading_clients = 0; If there are too many clients uploading, we want the server to respond to all requests with a busy message. const char* busypage = "This server is busy, please try again later."; Otherwise, the server will send a _form_ that informs the user of the current number of uploading clients, and ask her to pick a file on her local filesystem which is to be uploaded. const char* askpage = "\n\ Upload a file, please!
    \n\ There are %u clients uploading at the moment.
    \n\ \n\ \n\ \n\ "; If the upload has succeeded, the server will respond with a message saying so. const char* completepage = "The upload has been completed."; We want the server to report internal errors, such as memory shortage or file access problems, adequately. const char* servererrorpage = "An internal server error has occured."; const char* fileexistspage = "This file already exists."; It would be tolerable to send all these responses undifferentiated with a `200 HTTP_OK' status code but in order to improve the `HTTP' conformance of our server a bit, we extend the `send_page' function so that it accepts individual status codes. static int send_page (struct MHD_Connection *connection, const char* page, int status_code) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void*) page, MHD_RESPMEM_MUST_COPY); if (!response) return MHD_NO; ret = MHD_queue_response (connection, status_code, response); MHD_destroy_response (response); return ret; } Note how we ask _MHD_ to make its own copy of the message data. The reason behind this will become clear later. Connection cycle ================ The decision whether the server is busy or not is made right at the beginning of the connection. To do that at this stage is especially important for _POST_ requests because if no response is queued at this point, and `MHD_YES' returned, _MHD_ will not sent any queued messages until a postprocessor has been created and the post iterator is called at least once. static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; if (nr_of_uploading_clients >= MAXCLIENTS) return send_page(connection, busypage, MHD_HTTP_SERVICE_UNAVAILABLE); If the server is not busy, the `connection_info' structure is initialized as usual, with the addition of a filepointer for each connection. con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->fp = 0; if (0 == strcmp (method, "POST")) { ... } else con_info->connectiontype = GET; *con_cls = (void*) con_info; return MHD_YES; } For _POST_ requests, the postprocessor is created and we register a new uploading client. From this point on, there are many possible places for errors to occur that make it necessary to interrupt the uploading process. We need a means of having the proper response message ready at all times. Therefore, the `connection_info' structure is extended to hold the most current response message so that whenever a response is sent, the client will get the most informative message. Here, the structure is initialized to "no error". if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void*) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } nr_of_uploading_clients++; con_info->connectiontype = POST; con_info->answercode = MHD_HTTP_OK; con_info->answerstring = completepage; } else con_info->connectiontype = GET; If the connection handler is called for the second time, _GET_ requests will be answered with the _form_. We can keep the buffer under function scope, because we asked _MHD_ to make its own copy of it for as long as it is needed. if (0 == strcmp (method, "GET")) { int ret; char buffer[1024]; sprintf (buffer, askpage, nr_of_uploading_clients); return send_page (connection, buffer, MHD_HTTP_OK); } The rest of the `answer_to_connection' function is very similar to the `simplepost.c' example, except the more flexible content of the responses. The _POST_ data is processed until there is none left and the execution falls through to return an error page if the connection constituted no expected request method. if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (0 != *upload_data_size) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else return send_page (connection, con_info->answerstring, con_info->answercode); } return send_page(connection, errorpage, MHD_HTTP_BAD_REQUEST); } Storing to data =============== Unlike the `simplepost.c' example, here it is to be expected that post iterator will be called several times now. This means that for any given connection (there might be several concurrent of them) the posted data has to be written to the correct file. That is why we store a file handle in every `connection_info', so that the it is preserved between successive iterations. static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; Because the following actions depend heavily on correct file processing, which might be error prone, we default to reporting internal errors in case anything will go wrong. con_info->answerstring = servererrorpage; con_info->answercode = MHD_HTTP_INTERNAL_SERVER_ERROR; In the "askpage" _form_, we told the client to label its post data with the "file" key. Anything else would be an error. if (0 != strcmp (key, "file")) return MHD_NO; If the iterator is called for the first time, no file will have been opened yet. The `filename' string contains the name of the file (without any paths) the user selected on his system. We want to take this as the name the file will be stored on the server and make sure no file of that name exists (or is being uploaded) before we create one (note that the code below technically contains a race between the two "fopen" calls, but we will overlook this for portability sake). if (!con_info->fp) { if (NULL != (fp = fopen (filename, "rb")) ) { fclose (fp); con_info->answerstring = fileexistspage; con_info->answercode = MHD_HTTP_FORBIDDEN; return MHD_NO; } con_info->fp = fopen (filename, "ab"); if (!con_info->fp) return MHD_NO; } Occasionally, the iterator function will be called even when there are 0 new bytes to process. The server only needs to write data to the file if there is some. if (size > 0) { if (!fwrite (data, size, sizeof(char), con_info->fp)) return MHD_NO; } If this point has been reached, everything worked well for this iteration and the response can be set to success again. If the upload has finished, this iterator function will not be called again. con_info->answerstring = completepage; con_info->answercode = MHD_HTTP_OK; return MHD_YES; } The new client was registered when the postprocessor was created. Likewise, we unregister the client on destroying the postprocessor when the request is completed. void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { if (NULL != con_info->postprocessor) { MHD_destroy_post_processor (con_info->postprocessor); nr_of_uploading_clients--; } if (con_info->fp) fclose (con_info->fp); } free (con_info); *con_cls = NULL; } This is essentially the whole example `largepost.c'. Remarks ======= Now that the clients are able to create files on the server, security aspects are becoming even more important than before. Aside from proper client authentication, the server should always make sure explicitly that no files will be created outside of a dedicated upload directory. In particular, filenames must be checked to not contain strings like "../".  File: libmicrohttpd-tutorial.info, Node: Session management, Next: Adding a layer of security, Prev: Improved processing of POST data, Up: Top 8 Session management ******************** This chapter discusses how one should manage sessions, that is, share state between multiple HTTP requests from the same user. We use a simple example where the user submits multiple forms and the server is supposed to accumulate state from all of these forms. Naturally, as this is a network protocol, our session mechanism must support having many users with many concurrent sessions at the same time. In order to track users, we use a simple session cookie. A session cookie expires when the user closes the browser. Changing from session cookies to persistent cookies only requires adding an expiration time to the cookie. The server creates a fresh session cookie whenever a request without a cookie is received, or if the supplied session cookie is not known to the server. Looking up the cookie ===================== Since MHD parses the HTTP cookie header for us, looking up an existing cookie is straightforward: FIXME. Here, FIXME is the name we chose for our session cookie. Setting the cookie header ========================= MHD requires the user to provide the full cookie format string in order to set cookies. In order to generate a unique cookie, our example creates a random 64-character text string to be used as the value of the cookie: FIXME. Given this cookie value, we can then set the cookie header in our HTTP response as follows: FIXME. Remark: Session expiration ========================== It is of course possible that clients stop their interaction with the server at any time. In order to avoid using too much storage, the server must thus discard inactive sessions at some point. Our example implements this by discarding inactive sessions after a certain amount of time. Alternatively, the implementation may limit the total number of active sessions. Which bounds are used for idle sessions or the total number of sessions obviously depends largely on the type of the application and available server resources. Example code ============ A sample application implementing a website with multiple forms (which are dynamically created using values from previous POST requests from the same session) is available as the example `sessions.c'. Note that the example uses a simple, $O(n)$ linked list traversal to look up sessions and to expire old sessions. Using a hash table and a heap would be more appropriate if a large number of concurrent sessions is expected. Remarks ======= Naturally, it is quite conceivable to store session data in a database instead of in memory. Still, having mechanisms to expire data associated with long-time idle sessions (where the business process has still not finished) is likely a good idea.  File: libmicrohttpd-tutorial.info, Node: Adding a layer of security, Next: Bibliography, Prev: Session management, Up: Top 9 Adding a layer of security **************************** We left the basic authentication chapter with the unsatisfactory conclusion that any traffic, including the credentials, could be intercepted by anyone between the browser client and the server. Protecting the data while it is sent over unsecured lines will be the goal of this chapter. Since version 0.4, the _MHD_ library includes support for encrypting the traffic by employing SSL/TSL. If _GNU libmicrohttpd_ has been configured to support these, encryption and decryption can be applied transparently on the data being sent, with only minimal changes to the actual source code of the example. Preparation =========== First, a private key for the server will be generated. With this key, the server will later be able to authenticate itself to the client--preventing anyone else from stealing the password by faking its identity. The _OpenSSL_ suite, which is available on many operating systems, can generate such a key. For the scope of this tutorial, we will be content with a 1024 bit key: > openssl genrsa -out server.key 1024 In addition to the key, a certificate describing the server in human readable tokens is also needed. This certificate will be attested with our aforementioned key. In this way, we obtain a self-signed certificate, valid for one year. > openssl req -days 365 -out server.pem -new -x509 -key server.key To avoid unnecessary error messages in the browser, the certificate needs to have a name that matches the _URI_, for example, "localhost" or the domain. If you plan to have a publicly reachable server, you will need to ask a trusted third party, called _Certificate Authority_, or _CA_, to attest the certificate for you. This way, any visitor can make sure the server's identity is real. Whether the server's certificate is signed by us or a third party, once it has been accepted by the client, both sides will be communicating over encrypted channels. From this point on, it is the client's turn to authenticate itself. But this has already been implemented in the basic authentication scheme. Changing the source code ======================== We merely have to extend the server program so that it loads the two files into memory, int main () { struct MHD_Daemon *daemon; char *key_pem; char *cert_pem; key_pem = load_file (SERVERKEYFILE); cert_pem = load_file (SERVERCERTFILE); if ((key_pem == NULL) || (cert_pem == NULL)) { printf ("The key/certificate files could not be read.\n"); return 1; } and then we point the _MHD_ daemon to it upon initalization. daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); if (NULL == daemon) { printf ("%s\n", cert_pem); free (key_pem); free (cert_pem); return 1; } The rest consists of little new besides some additional memory cleanups. getchar (); MHD_stop_daemon (daemon); free (key_pem); free (cert_pem); return 0; } The rather unexciting file loader can be found in the complete example `tlsauthentication.c'. Remarks ======= * While the standard _HTTP_ port is 80, it is 443 for _HTTPS_. The common internet browsers assume standard _HTTP_ if they are asked to access other ports than these. Therefore, you will have to type `https://localhost:8888' explicitly when you test the example, or the browser will not know how to handle the answer properly. * The remaining weak point is the question how the server will be trusted initially. Either a _CA_ signs the certificate or the client obtains the key over secure means. Anyway, the clients have to be aware (or configured) that they should not accept certificates of unknown origin. * The introduced method of certificates makes it mandatory to set an expiration date--making it less feasible to hardcode certificates in embedded devices. * The cryptographic facilities consume memory space and computing time. For this reason, websites usually consists both of uncritically _HTTP_ parts and secured _HTTPS_. Client authentication ===================== You can also use MHD to authenticate the client via SSL/TLS certificates (as an alternative to using the password-based Basic or Digest authentication). To do this, you will need to link your application against _gnutls_. Next, when you start the MHD daemon, you must specify the root CA that you're willing to trust: daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_HTTPS_MEM_TRUST, root_ca_pem, MHD_OPTION_END); With this, you can then obtain client certificates for each session. In order to obtain the identity of the client, you first need to obtain the raw GnuTLS session handle from _MHD_ using `MHD_get_connection_info'. #include #include gnutls_session_t tls_session; union MHD_ConnectionInfo *ci; ci = MHD_get_connection_info (connection, MHD_CONNECTION_INFO_GNUTLS_SESSION); tls_session = ci->tls_session; You can then extract the client certificate: /** * Get the client's certificate * * @param tls_session the TLS session * @return NULL if no valid client certificate could be found, a pointer * to the certificate if found */ static gnutls_x509_crt_t get_client_certificate (gnutls_session_t tls_session) { unsigned int listsize; const gnutls_datum_t * pcert; gnutls_certificate_status_t client_cert_status; gnutls_x509_crt_t client_cert; if (tls_session == NULL) return NULL; if (gnutls_certificate_verify_peers2(tls_session, &client_cert_status)) return NULL; pcert = gnutls_certificate_get_peers(tls_session, &listsize); if ( (pcert == NULL) || (listsize == 0)) { fprintf (stderr, "Failed to retrieve client certificate chain\n"); return NULL; } if (gnutls_x509_crt_init(&client_cert)) { fprintf (stderr, "Failed to initialize client certificate\n"); return NULL; } /* Note that by passing values between 0 and listsize here, you can get access to the CA's certs */ if (gnutls_x509_crt_import(client_cert, &pcert[0], GNUTLS_X509_FMT_DER)) { fprintf (stderr, "Failed to import client certificate\n"); gnutls_x509_crt_deinit(client_cert); return NULL; } return client_cert; } Using the client certificate, you can then get the client's distinguished name and alternative names: /** * Get the distinguished name from the client's certificate * * @param client_cert the client certificate * @return NULL if no dn or certificate could be found, a pointer * to the dn if found */ char * cert_auth_get_dn(gnutls_x509_crt_c client_cert) { char* buf; size_t lbuf; lbuf = 0; gnutls_x509_crt_get_dn(client_cert, NULL, &lbuf); buf = malloc(lbuf); if (buf == NULL) { fprintf (stderr, "Failed to allocate memory for certificate dn\n"); return NULL; } gnutls_x509_crt_get_dn(client_cert, buf, &lbuf); return buf; } /** * Get the alternative name of specified type from the client's certificate * * @param client_cert the client certificate * @param nametype The requested name type * @param index The position of the alternative name if multiple names are * matching the requested type, 0 for the first matching name * @return NULL if no matching alternative name could be found, a pointer * to the alternative name if found */ char * MHD_cert_auth_get_alt_name(gnutls_x509_crt_t client_cert, int nametype, unsigned int index) { char* buf; size_t lbuf; unsigned int seq; unsigned int subseq; unsigned int type; int result; subseq = 0; for (seq=0;;seq++) { lbuf = 0; result = gnutls_x509_crt_get_subject_alt_name2(client_cert, seq, NULL, &lbuf, &type, NULL); if (result == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) return NULL; if (nametype != (int) type) continue; if (subseq == index) break; subseq++; } buf = malloc(lbuf); if (buf == NULL) { fprintf (stderr, "Failed to allocate memory for certificate alt name\n"); return NULL; } result = gnutls_x509_crt_get_subject_alt_name2(client_cert, seq, buf, &lbuf, NULL, NULL); if (result != nametype) { fprintf (stderr, "Unexpected return value from gnutls: %d\n", result); free (buf); return NULL; } return buf; } Finally, you should release the memory associated with the client certificate: gnutls_x509_crt_deinit (client_cert);  File: libmicrohttpd-tutorial.info, Node: Bibliography, Next: License text, Prev: Adding a layer of security, Up: Top Appendix A Bibliography *********************** API reference ============= * The _GNU libmicrohttpd_ manual by Marco Maggi and Christian Grothoff 2008 `http://gnunet.org/libmicrohttpd/microhttpd.html' * All referenced RFCs can be found on the website of _The Internet Engineering Task Force_ `http://www.ietf.org/' * _RFC 2616_: Fielding, R., Gettys, J., Mogul, J., Frystyk, H., and T. Berners-Lee, "Hypertext Transfer Protocol - HTTP/1.1", RFC 2016, January 1997. * _RFC 2617_: Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S., Leach, P., Luotonen, A., and L. Stewart, "HTTP Authentication: Basic and Digest Access Authentication", RFC 2617, June 1999. * A well-structured _HTML_ reference can be found on `http://www.echoecho.com/html.htm' For those readers understanding German or French, there is an excellent document both for learning _HTML_ and for reference, whose English version unfortunately has been discontinued. `http://de.selfhtml.org/' and `http://fr.selfhtml.org/'  File: libmicrohttpd-tutorial.info, Node: License text, Next: Example programs, Prev: Bibliography, Up: Top Appendix B GNU Free Documentation License ***************************************** Version 1.3, 3 November 2008 Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. `http://fsf.org/' Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 0. 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If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the "with...Texts." line with this: with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST. If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation. If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.  File: libmicrohttpd-tutorial.info, Node: Example programs, Prev: License text, Up: Top Appendix C Example programs *************************** * Menu: * hellobrowser.c:: * logging.c:: * responseheaders.c:: * basicauthentication.c:: * simplepost.c:: * largepost.c:: * sessions.c:: * tlsauthentication.c::  File: libmicrohttpd-tutorial.info, Node: hellobrowser.c, Next: logging.c, Up: Example programs C.1 hellobrowser.c ================== /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #define PORT 8888 static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { const char *page = "Hello, browser!"; struct MHD_Response *response; int ret; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: logging.c, Next: responseheaders.c, Prev: hellobrowser.c, Up: Example programs C.2 logging.c ============= /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #define PORT 8888 static int print_out_key (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { printf ("%s: %s\n", key, value); return MHD_YES; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { printf ("New %s request for %s using version %s\n", method, url, version); MHD_get_connection_values (connection, MHD_HEADER_KIND, print_out_key, NULL); return MHD_NO; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: responseheaders.c, Next: basicauthentication.c, Prev: logging.c, Up: Example programs C.3 responseheaders.c ===================== /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #include #include #define PORT 8888 #define FILENAME "picture.png" #define MIMETYPE "image/png" static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { struct MHD_Response *response; int fd; int ret; struct stat sbuf; if (0 != strcmp (method, "GET")) return MHD_NO; if ( (-1 == (fd = open (FILENAME, O_RDONLY))) || (0 != fstat (fd, &sbuf)) ) { /* error accessing file */ if (fd != -1) (void) close (fd); const char *errorstr = "An internal server error has occured!\ "; response = MHD_create_response_from_buffer (strlen (errorstr), (void *) errorstr, MHD_RESPMEM_PERSISTENT); if (NULL != response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return ret; } else return MHD_NO; } response = MHD_create_response_from_fd_at_offset (sbuf.st_size, fd, 0); MHD_add_response_header (response, "Content-Type", MIMETYPE); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: basicauthentication.c, Next: simplepost.c, Prev: responseheaders.c, Up: Example programs C.4 basicauthentication.c ========================= /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #include #define PORT 8888 static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { char *user; char *pass; int fail; int ret; struct MHD_Response *response; if (0 != strcmp (method, "GET")) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (user == NULL) || (0 != strcmp (user, "root")) || (0 != strcmp (pass, "pa$$w0rd") ) ); if (user != NULL) free (user); if (pass != NULL) free (pass); if (fail) { const char *page = "Go away."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection, "my realm", response); } else { const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: simplepost.c, Next: largepost.c, Prev: basicauthentication.c, Up: Example programs C.5 simplepost.c ================ /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #define PORT 8888 #define POSTBUFFERSIZE 512 #define MAXNAMESIZE 20 #define MAXANSWERSIZE 512 #define GET 0 #define POST 1 struct connection_info_struct { int connectiontype; char *answerstring; struct MHD_PostProcessor *postprocessor; }; const char *askpage = "\ What's your name, Sir?
    \
    \ \ "; const char *greetingpage = "

    Welcome, %s!

    "; const char *errorpage = "This doesn't seem to be right."; static int send_page (struct MHD_Connection *connection, const char *page) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; if (0 == strcmp (key, "name")) { if ((size > 0) && (size <= MAXNAMESIZE)) { char *answerstring; answerstring = malloc (MAXANSWERSIZE); if (!answerstring) return MHD_NO; snprintf (answerstring, MAXANSWERSIZE, greetingpage, data); con_info->answerstring = answerstring; } else con_info->answerstring = NULL; return MHD_NO; } return MHD_YES; } static void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { MHD_destroy_post_processor (con_info->postprocessor); if (con_info->answerstring) free (con_info->answerstring); } free (con_info); *con_cls = NULL; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->answerstring = NULL; if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void *) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } con_info->connectiontype = POST; } else con_info->connectiontype = GET; *con_cls = (void *) con_info; return MHD_YES; } if (0 == strcmp (method, "GET")) { return send_page (connection, askpage); } if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (*upload_data_size != 0) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else if (NULL != con_info->answerstring) return send_page (connection, con_info->answerstring); } return send_page (connection, errorpage); } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: largepost.c, Next: sessions.c, Prev: simplepost.c, Up: Example programs C.6 largepost.c =============== /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #define PORT 8888 #define POSTBUFFERSIZE 512 #define MAXCLIENTS 2 #define GET 0 #define POST 1 static unsigned int nr_of_uploading_clients = 0; struct connection_info_struct { int connectiontype; struct MHD_PostProcessor *postprocessor; FILE *fp; const char *answerstring; int answercode; }; const char *askpage = "\n\ Upload a file, please!
    \n\ There are %u clients uploading at the moment.
    \n\
    \n\ \n\ \n\ "; const char *busypage = "This server is busy, please try again later."; const char *completepage = "The upload has been completed."; const char *errorpage = "This doesn't seem to be right."; const char *servererrorpage = "An internal server error has occured."; const char *fileexistspage = "This file already exists."; static int send_page (struct MHD_Connection *connection, const char *page, int status_code) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_MUST_COPY); if (!response) return MHD_NO; MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_TYPE, "text/html"); ret = MHD_queue_response (connection, status_code, response); MHD_destroy_response (response); return ret; } static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; FILE *fp; con_info->answerstring = servererrorpage; con_info->answercode = MHD_HTTP_INTERNAL_SERVER_ERROR; if (0 != strcmp (key, "file")) return MHD_NO; if (!con_info->fp) { if (NULL != (fp = fopen (filename, "rb"))) { fclose (fp); con_info->answerstring = fileexistspage; con_info->answercode = MHD_HTTP_FORBIDDEN; return MHD_NO; } con_info->fp = fopen (filename, "ab"); if (!con_info->fp) return MHD_NO; } if (size > 0) { if (!fwrite (data, size, sizeof (char), con_info->fp)) return MHD_NO; } con_info->answerstring = completepage; con_info->answercode = MHD_HTTP_OK; return MHD_YES; } static void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { if (NULL != con_info->postprocessor) { MHD_destroy_post_processor (con_info->postprocessor); nr_of_uploading_clients--; } if (con_info->fp) fclose (con_info->fp); } free (con_info); *con_cls = NULL; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; if (nr_of_uploading_clients >= MAXCLIENTS) return send_page (connection, busypage, MHD_HTTP_SERVICE_UNAVAILABLE); con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->fp = NULL; if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void *) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } nr_of_uploading_clients++; con_info->connectiontype = POST; con_info->answercode = MHD_HTTP_OK; con_info->answerstring = completepage; } else con_info->connectiontype = GET; *con_cls = (void *) con_info; return MHD_YES; } if (0 == strcmp (method, "GET")) { char buffer[1024]; snprintf (buffer, sizeof (buffer), askpage, nr_of_uploading_clients); return send_page (connection, buffer, MHD_HTTP_OK); } if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (0 != *upload_data_size) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else { if (NULL != con_info->fp) { fclose (con_info->fp); con_info->fp = NULL; } /* Now it is safe to open and inspect the file before calling send_page with a response */ return send_page (connection, con_info->answerstring, con_info->answercode); } } return send_page (connection, errorpage, MHD_HTTP_BAD_REQUEST); } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; }  File: libmicrohttpd-tutorial.info, Node: sessions.c, Next: tlsauthentication.c, Prev: largepost.c, Up: Example programs C.7 sessions.c ============== /* Feel free to use this example code in any way you see fit (Public Domain) */ /* needed for asprintf */ #define _GNU_SOURCE #include #include #include #include #include #include #if defined _WIN32 && !defined(__MINGW64_VERSION_MAJOR) static int asprintf (char **resultp, const char *format, ...) { va_list argptr; char *result = NULL; int len = 0; if (format == NULL) return -1; va_start (argptr, format); len = _vscprintf ((char *) format, argptr); if (len >= 0) { len += 1; result = (char *) malloc (sizeof (char *) * len); if (result != NULL) { int len2 = _vscprintf ((char *) format, argptr); if (len2 != len - 1 || len2 <= 0) { free (result); result = NULL; len = -1; } else { len = len2; if (resultp) *resultp = result; } } } va_end (argptr); return len; } #endif /** * Invalid method page. */ #define METHOD_ERROR "Illegal requestGo away." /** * Invalid URL page. */ #define NOT_FOUND_ERROR "Not foundGo away." /** * Front page. (/) */ #define MAIN_PAGE "Welcome
    What is your name? " /** * Second page. (/2) */ #define SECOND_PAGE "Tell me moreprevious %s, what is your job? " /** * Second page (/S) */ #define SUBMIT_PAGE "Ready to submit?previous " /** * Last page. */ #define LAST_PAGE "Thank youThank you." /** * Name of our cookie. */ #define COOKIE_NAME "session" /** * State we keep for each user/session/browser. */ struct Session { /** * We keep all sessions in a linked list. */ struct Session *next; /** * Unique ID for this session. */ char sid[33]; /** * Reference counter giving the number of connections * currently using this session. */ unsigned int rc; /** * Time when this session was last active. */ time_t start; /** * String submitted via form. */ char value_1[64]; /** * Another value submitted via form. */ char value_2[64]; }; /** * Data kept per request. */ struct Request { /** * Associated session. */ struct Session *session; /** * Post processor handling form data (IF this is * a POST request). */ struct MHD_PostProcessor *pp; /** * URL to serve in response to this POST (if this request * was a 'POST') */ const char *post_url; }; /** * Linked list of all active sessions. Yes, O(n) but a * hash table would be overkill for a simple example... */ static struct Session *sessions; /** * Return the session handle for this connection, or * create one if this is a new user. */ static struct Session * get_session (struct MHD_Connection *connection) { struct Session *ret; const char *cookie; cookie = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, COOKIE_NAME); if (cookie != NULL) { /* find existing session */ ret = sessions; while (NULL != ret) { if (0 == strcmp (cookie, ret->sid)) break; ret = ret->next; } if (NULL != ret) { ret->rc++; return ret; } } /* create fresh session */ ret = calloc (1, sizeof (struct Session)); if (NULL == ret) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return NULL; } /* not a super-secure way to generate a random session ID, but should do for a simple example... */ snprintf (ret->sid, sizeof (ret->sid), "%X%X%X%X", (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand ()); ret->rc++; ret->start = time (NULL); ret->next = sessions; sessions = ret; return ret; } /** * Type of handler that generates a reply. * * @param cls content for the page (handler-specific) * @param mime mime type to use * @param session session information * @param connection connection to process * @param MHD_YES on success, MHD_NO on failure */ typedef int (*PageHandler)(const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection); /** * Entry we generate for each page served. */ struct Page { /** * Acceptable URL for this page. */ const char *url; /** * Mime type to set for the page. */ const char *mime; /** * Handler to call to generate response. */ PageHandler handler; /** * Extra argument to handler. */ const void *handler_cls; }; /** * Add header to response to set a session cookie. * * @param session session to use * @param response response to modify */ static void add_session_cookie (struct Session *session, struct MHD_Response *response) { char cstr[256]; snprintf (cstr, sizeof (cstr), "%s=%s", COOKIE_NAME, session->sid); if (MHD_NO == MHD_add_response_header (response, MHD_HTTP_HEADER_SET_COOKIE, cstr)) { fprintf (stderr, "Failed to set session cookie header!\n"); } } /** * Handler that returns a simple static HTTP page that * is passed in via 'cls'. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int serve_simple_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; struct MHD_Response *response; /* return static form */ response = MHD_create_response_from_buffer (strlen (form), (void *) form, MHD_RESPMEM_PERSISTENT); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' value to the given HTML code. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; char *reply; struct MHD_Response *response; if (-1 == asprintf (&reply, form, session->value_1)) { /* oops */ return MHD_NO; } /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' and 'v2' values to the given HTML code. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_v2_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; char *reply; struct MHD_Response *response; if (-1 == asprintf (&reply, form, session->value_1, session->value_2)) { /* oops */ return MHD_NO; } /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler used to generate a 404 reply. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int not_found_page (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; struct MHD_Response *response; /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (NOT_FOUND_ERROR), (void *) NOT_FOUND_ERROR, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); MHD_destroy_response (response); return ret; } /** * List of all pages served by this HTTP server. */ static struct Page pages[] = { { "/", "text/html", &fill_v1_form, MAIN_PAGE }, { "/2", "text/html", &fill_v1_v2_form, SECOND_PAGE }, { "/S", "text/html", &serve_simple_form, SUBMIT_PAGE }, { "/F", "text/html", &serve_simple_form, LAST_PAGE }, { NULL, NULL, ¬_found_page, NULL } /* 404 */ }; /** * Iterator over key-value pairs where the value * maybe made available in increments and/or may * not be zero-terminated. Used for processing * POST data. * * @param cls user-specified closure * @param kind type of the value * @param key 0-terminated key for the value * @param filename name of the uploaded file, NULL if not known * @param content_type mime-type of the data, NULL if not known * @param transfer_encoding encoding of the data, NULL if not known * @param data pointer to size bytes of data at the * specified offset * @param off offset of data in the overall value * @param size number of bytes in data available * @return MHD_YES to continue iterating, * MHD_NO to abort the iteration */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct Request *request = cls; struct Session *session = request->session; if (0 == strcmp ("DONE", key)) { fprintf (stdout, "Session `%s' submitted `%s', `%s'\n", session->sid, session->value_1, session->value_2); return MHD_YES; } if (0 == strcmp ("v1", key)) { if (size + off > sizeof(session->value_1)) size = sizeof (session->value_1) - off; memcpy (&session->value_1[off], data, size); if (size + off < sizeof (session->value_1)) session->value_1[size+off] = '\0'; return MHD_YES; } if (0 == strcmp ("v2", key)) { if (size + off > sizeof(session->value_2)) size = sizeof (session->value_2) - off; memcpy (&session->value_2[off], data, size); if (size + off < sizeof (session->value_2)) session->value_2[size+off] = '\0'; return MHD_YES; } fprintf (stderr, "Unsupported form value `%s'\n", key); return MHD_YES; } /** * Main MHD callback for handling requests. * * * @param cls argument given together with the function * pointer when the handler was registered with MHD * @param connection handle to connection which is being processed * @param url the requested url * @param method the HTTP method used ("GET", "PUT", etc.) * @param version the HTTP version string (i.e. "HTTP/1.1") * @param upload_data the data being uploaded (excluding HEADERS, * for a POST that fits into memory and that is encoded * with a supported encoding, the POST data will NOT be * given in upload_data and is instead available as * part of MHD_get_connection_values; very large POST * data *will* be made available incrementally in * upload_data) * @param upload_data_size set initially to the size of the * upload_data provided; the method must update this * value to the number of bytes NOT processed; * @param ptr pointer that the callback can set to some * address and that will be preserved by MHD for future * calls for this request; since the access handler may * be called many times (i.e., for a PUT/POST operation * with plenty of upload data) this allows the application * to easily associate some request-specific state. * If necessary, this state can be cleaned up in the * global "MHD_RequestCompleted" callback (which * can be set with the MHD_OPTION_NOTIFY_COMPLETED). * Initially, *con_cls will be NULL. * @return MHS_YES if the connection was handled successfully, * MHS_NO if the socket must be closed due to a serios * error while handling the request */ static int create_response (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; struct Request *request; struct Session *session; int ret; unsigned int i; request = *ptr; if (NULL == request) { request = calloc (1, sizeof (struct Request)); if (NULL == request) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return MHD_NO; } *ptr = request; if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { request->pp = MHD_create_post_processor (connection, 1024, &post_iterator, request); if (NULL == request->pp) { fprintf (stderr, "Failed to setup post processor for `%s'\n", url); return MHD_NO; /* internal error */ } } return MHD_YES; } if (NULL == request->session) { request->session = get_session (connection); if (NULL == request->session) { fprintf (stderr, "Failed to setup session for `%s'\n", url); return MHD_NO; /* internal error */ } } session = request->session; session->start = time (NULL); if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { /* evaluate POST data */ MHD_post_process (request->pp, upload_data, *upload_data_size); if (0 != *upload_data_size) { *upload_data_size = 0; return MHD_YES; } /* done with POST data, serve response */ MHD_destroy_post_processor (request->pp); request->pp = NULL; method = MHD_HTTP_METHOD_GET; /* fake 'GET' */ if (NULL != request->post_url) url = request->post_url; } if ( (0 == strcmp (method, MHD_HTTP_METHOD_GET)) || (0 == strcmp (method, MHD_HTTP_METHOD_HEAD)) ) { /* find out which page to serve */ i=0; while ( (pages[i].url != NULL) && (0 != strcmp (pages[i].url, url)) ) i++; ret = pages[i].handler (pages[i].handler_cls, pages[i].mime, session, connection); if (ret != MHD_YES) fprintf (stderr, "Failed to create page for `%s'\n", url); return ret; } /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (METHOD_ERROR), (void *) METHOD_ERROR, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE, response); MHD_destroy_response (response); return ret; } /** * Callback called upon completion of a request. * Decrements session reference counter. * * @param cls not used * @param connection connection that completed * @param con_cls session handle * @param toe status code */ static void request_completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct Request *request = *con_cls; if (NULL == request) return; if (NULL != request->session) request->session->rc--; if (NULL != request->pp) MHD_destroy_post_processor (request->pp); free (request); } /** * Clean up handles of sessions that have been idle for * too long. */ static void expire_sessions () { struct Session *pos; struct Session *prev; struct Session *next; time_t now; now = time (NULL); prev = NULL; pos = sessions; while (NULL != pos) { next = pos->next; if (now - pos->start > 60 * 60) { /* expire sessions after 1h */ if (NULL == prev) sessions = pos->next; else prev->next = next; free (pos); } else prev = pos; pos = next; } } /** * Call with the port number as the only argument. * Never terminates (other than by signals, such as CTRL-C). */ int main (int argc, char *const *argv) { struct MHD_Daemon *d; struct timeval tv; struct timeval *tvp; fd_set rs; fd_set ws; fd_set es; int max; MHD_UNSIGNED_LONG_LONG mhd_timeout; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } /* initialize PRNG */ srand ((unsigned int) time (NULL)); d = MHD_start_daemon (MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &create_response, NULL, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 15, MHD_OPTION_NOTIFY_COMPLETED, &request_completed_callback, NULL, MHD_OPTION_END); if (NULL == d) return 1; while (1) { expire_sessions (); max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) break; /* fatal internal error */ if (MHD_get_timeout (d, &mhd_timeout) == MHD_YES) { tv.tv_sec = mhd_timeout / 1000; tv.tv_usec = (mhd_timeout - (tv.tv_sec * 1000)) * 1000; tvp = &tv; } else tvp = NULL; if (-1 == select (max + 1, &rs, &ws, &es, tvp)) { if (EINTR != errno) fprintf (stderr, "Aborting due to error during select: %s\n", strerror (errno)); break; } MHD_run (d); } MHD_stop_daemon (d); return 0; }  File: libmicrohttpd-tutorial.info, Node: tlsauthentication.c, Prev: sessions.c, Up: Example programs C.8 tlsauthentication.c ======================= /* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #define PORT 8888 #define REALM "\"Maintenance\"" #define USER "a legitimate user" #define PASSWORD "and his password" #define SERVERKEYFILE "server.key" #define SERVERCERTFILE "server.pem" static char * string_to_base64 (const char *message) { const char *lookup = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; unsigned long l; int i; char *tmp; size_t length = strlen (message); tmp = malloc (length * 2); if (NULL == tmp) return tmp; tmp[0] = 0; for (i = 0; i < length; i += 3) { l = (((unsigned long) message[i]) << 16) | (((i + 1) < length) ? (((unsigned long) message[i + 1]) << 8) : 0) | (((i + 2) < length) ? ((unsigned long) message[i + 2]) : 0); strncat (tmp, &lookup[(l >> 18) & 0x3F], 1); strncat (tmp, &lookup[(l >> 12) & 0x3F], 1); if (i + 1 < length) strncat (tmp, &lookup[(l >> 6) & 0x3F], 1); if (i + 2 < length) strncat (tmp, &lookup[l & 0x3F], 1); } if (length % 3) strncat (tmp, "===", 3 - length % 3); return tmp; } static long get_file_size (const char *filename) { FILE *fp; fp = fopen (filename, "rb"); if (fp) { long size; if ((0 != fseek (fp, 0, SEEK_END)) || (-1 == (size = ftell (fp)))) size = 0; fclose (fp); return size; } else return 0; } static char * load_file (const char *filename) { FILE *fp; char *buffer; long size; size = get_file_size (filename); if (size == 0) return NULL; fp = fopen (filename, "rb"); if (!fp) return NULL; buffer = malloc (size); if (!buffer) { fclose (fp); return NULL; } if (size != fread (buffer, 1, size, fp)) { free (buffer); buffer = NULL; } fclose (fp); return buffer; } static int ask_for_authentication (struct MHD_Connection *connection, const char *realm) { int ret; struct MHD_Response *response; char *headervalue; const char *strbase = "Basic realm="; response = MHD_create_response_from_buffer (0, NULL, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; headervalue = malloc (strlen (strbase) + strlen (realm) + 1); if (!headervalue) return MHD_NO; strcpy (headervalue, strbase); strcat (headervalue, realm); ret = MHD_add_response_header (response, "WWW-Authenticate", headervalue); free (headervalue); if (!ret) { MHD_destroy_response (response); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_UNAUTHORIZED, response); MHD_destroy_response (response); return ret; } static int is_authenticated (struct MHD_Connection *connection, const char *username, const char *password) { const char *headervalue; char *expected_b64, *expected; const char *strbase = "Basic "; int authenticated; headervalue = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, "Authorization"); if (NULL == headervalue) return 0; if (0 != strncmp (headervalue, strbase, strlen (strbase))) return 0; expected = malloc (strlen (username) + 1 + strlen (password) + 1); if (NULL == expected) return 0; strcpy (expected, username); strcat (expected, ":"); strcat (expected, password); expected_b64 = string_to_base64 (expected); free (expected); if (NULL == expected_b64) return 0; authenticated = (strcmp (headervalue + strlen (strbase), expected_b64) == 0); free (expected_b64); return authenticated; } static int secret_page (struct MHD_Connection *connection) { int ret; struct MHD_Response *response; const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (0 != strcmp (method, "GET")) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } if (!is_authenticated (connection, USER, PASSWORD)) return ask_for_authentication (connection, REALM); return secret_page (connection); } int main () { struct MHD_Daemon *daemon; char *key_pem; char *cert_pem; key_pem = load_file (SERVERKEYFILE); cert_pem = load_file (SERVERCERTFILE); if ((key_pem == NULL) || (cert_pem == NULL)) { printf ("The key/certificate files could not be read.\n"); return 1; } daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); if (NULL == daemon) { printf ("%s\n", cert_pem); free (key_pem); free (cert_pem); return 1; } (void) getchar (); MHD_stop_daemon (daemon); free (key_pem); free (cert_pem); return 0; }  Tag Table: Node: Top856 Node: Introduction1897 Node: Hello browser example3203 Node: Exploring requests14227 Node: Response headers19623 Node: Supporting basic authentication27502 Node: Processing POST data34893 Node: Improved processing of POST data43514 Node: Session management54157 Node: Adding a layer of security57052 Node: Bibliography66394 Node: License text67589 Node: Example programs92764 Node: hellobrowser.c93077 Node: logging.c94620 Node: responseheaders.c96203 Node: basicauthentication.c98827 Node: simplepost.c101366 Node: largepost.c107046 Node: sessions.c114411 Node: tlsauthentication.c136756  End Tag Table libmicrohttpd-0.9.33/doc/performance_data.png0000644000175000017500000002172112207153262016143 00000000000000‰PNG  IHDR€à,Ö2PLTEÿÿÿ   ÿÀ€ÿÀÿîîÀ@ÈÈAiáÿÀ €@À€ÿ0`€‹@€ÿ€ÿÿÔ¥**ÿÿ@àÐ333MMMfff™™™³³³ÀÀÀÌÌÌåååÿÿÿð22î­ØæðUðàÿÿîÝ‚ÿ¶Á¯îîÿ×ÿdÿ"‹".‹Wÿ‹p€Í‡ÎëÿÿÿÿÎÑÿ“ÿPð€€ÿEú€ré–zð挽·k¸† õõÜ € ÿ¥î‚î”ÓÝ ÝP@Uk/€€€@€@€€`À€`ÿ€€ÿ€@ÿ @ÿ `ÿ pÿÀÀÿÿ€ÿÿÀÍ·žðÿð ¶ÍÁÿÁÍÀ°|ÿ@ ÿ ¾¾¾¿¿¿___ßßߟŸŸ???¼=F IDATxœí 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If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software. @c Local Variables: @c ispell-local-pdict: "ispell-dict" @c End: libmicrohttpd-0.9.33/doc/chapters/0000755000175000017500000000000012255341026014031 500000000000000libmicrohttpd-0.9.33/doc/chapters/largerpost.inc0000644000175000017500000002577312207153262016644 00000000000000The previous chapter introduced a way to upload data to the server, but the developed example program has some shortcomings, such as not being able to handle larger chunks of data. In this chapter, we are going to discuss a more advanced server program that allows clients to upload a file in order to have it stored on the server's filesystem. The server shall also watch and limit the number of clients concurrently uploading, responding with a proper busy message if necessary. @heading Prepared answers We choose to operate the server with the @code{SELECT_INTERNALLY} method. This makes it easier to synchronize the global states at the cost of possible delays for other connections if the processing of a request is too slow. One of these variables that needs to be shared for all connections is the total number of clients that are uploading. @verbatim #define MAXCLIENTS 2 static unsigned int nr_of_uploading_clients = 0; @end verbatim @noindent If there are too many clients uploading, we want the server to respond to all requests with a busy message. @verbatim const char* busypage = "This server is busy, please try again later."; @end verbatim @noindent Otherwise, the server will send a @emph{form} that informs the user of the current number of uploading clients, and ask her to pick a file on her local filesystem which is to be uploaded. @verbatim const char* askpage = "\n\ Upload a file, please!
    \n\ There are %u clients uploading at the moment.
    \n\ \n\ \n\ \n\ "; @end verbatim @noindent If the upload has succeeded, the server will respond with a message saying so. @verbatim const char* completepage = "The upload has been completed."; @end verbatim @noindent We want the server to report internal errors, such as memory shortage or file access problems, adequately. @verbatim const char* servererrorpage = "An internal server error has occured."; const char* fileexistspage = "This file already exists."; @end verbatim @noindent It would be tolerable to send all these responses undifferentiated with a @code{200 HTTP_OK} status code but in order to improve the @code{HTTP} conformance of our server a bit, we extend the @code{send_page} function so that it accepts individual status codes. @verbatim static int send_page (struct MHD_Connection *connection, const char* page, int status_code) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void*) page, MHD_RESPMEM_MUST_COPY); if (!response) return MHD_NO; ret = MHD_queue_response (connection, status_code, response); MHD_destroy_response (response); return ret; } @end verbatim @noindent Note how we ask @emph{MHD} to make its own copy of the message data. The reason behind this will become clear later. @heading Connection cycle The decision whether the server is busy or not is made right at the beginning of the connection. To do that at this stage is especially important for @emph{POST} requests because if no response is queued at this point, and @code{MHD_YES} returned, @emph{MHD} will not sent any queued messages until a postprocessor has been created and the post iterator is called at least once. @verbatim static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; if (nr_of_uploading_clients >= MAXCLIENTS) return send_page(connection, busypage, MHD_HTTP_SERVICE_UNAVAILABLE); @end verbatim @noindent If the server is not busy, the @code{connection_info} structure is initialized as usual, with the addition of a filepointer for each connection. @verbatim con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->fp = 0; if (0 == strcmp (method, "POST")) { ... } else con_info->connectiontype = GET; *con_cls = (void*) con_info; return MHD_YES; } @end verbatim @noindent For @emph{POST} requests, the postprocessor is created and we register a new uploading client. From this point on, there are many possible places for errors to occur that make it necessary to interrupt the uploading process. We need a means of having the proper response message ready at all times. Therefore, the @code{connection_info} structure is extended to hold the most current response message so that whenever a response is sent, the client will get the most informative message. Here, the structure is initialized to "no error". @verbatim if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void*) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } nr_of_uploading_clients++; con_info->connectiontype = POST; con_info->answercode = MHD_HTTP_OK; con_info->answerstring = completepage; } else con_info->connectiontype = GET; @end verbatim @noindent If the connection handler is called for the second time, @emph{GET} requests will be answered with the @emph{form}. We can keep the buffer under function scope, because we asked @emph{MHD} to make its own copy of it for as long as it is needed. @verbatim if (0 == strcmp (method, "GET")) { int ret; char buffer[1024]; sprintf (buffer, askpage, nr_of_uploading_clients); return send_page (connection, buffer, MHD_HTTP_OK); } @end verbatim @noindent The rest of the @code{answer_to_connection} function is very similar to the @code{simplepost.c} example, except the more flexible content of the responses. The @emph{POST} data is processed until there is none left and the execution falls through to return an error page if the connection constituted no expected request method. @verbatim if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (0 != *upload_data_size) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else return send_page (connection, con_info->answerstring, con_info->answercode); } return send_page(connection, errorpage, MHD_HTTP_BAD_REQUEST); } @end verbatim @noindent @heading Storing to data Unlike the @code{simplepost.c} example, here it is to be expected that post iterator will be called several times now. This means that for any given connection (there might be several concurrent of them) the posted data has to be written to the correct file. That is why we store a file handle in every @code{connection_info}, so that the it is preserved between successive iterations. @verbatim static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; @end verbatim @noindent Because the following actions depend heavily on correct file processing, which might be error prone, we default to reporting internal errors in case anything will go wrong. @verbatim con_info->answerstring = servererrorpage; con_info->answercode = MHD_HTTP_INTERNAL_SERVER_ERROR; @end verbatim @noindent In the "askpage" @emph{form}, we told the client to label its post data with the "file" key. Anything else would be an error. @verbatim if (0 != strcmp (key, "file")) return MHD_NO; @end verbatim @noindent If the iterator is called for the first time, no file will have been opened yet. The @code{filename} string contains the name of the file (without any paths) the user selected on his system. We want to take this as the name the file will be stored on the server and make sure no file of that name exists (or is being uploaded) before we create one (note that the code below technically contains a race between the two "fopen" calls, but we will overlook this for portability sake). @verbatim if (!con_info->fp) { if (NULL != (fp = fopen (filename, "rb")) ) { fclose (fp); con_info->answerstring = fileexistspage; con_info->answercode = MHD_HTTP_FORBIDDEN; return MHD_NO; } con_info->fp = fopen (filename, "ab"); if (!con_info->fp) return MHD_NO; } @end verbatim @noindent Occasionally, the iterator function will be called even when there are 0 new bytes to process. The server only needs to write data to the file if there is some. @verbatim if (size > 0) { if (!fwrite (data, size, sizeof(char), con_info->fp)) return MHD_NO; } @end verbatim @noindent If this point has been reached, everything worked well for this iteration and the response can be set to success again. If the upload has finished, this iterator function will not be called again. @verbatim con_info->answerstring = completepage; con_info->answercode = MHD_HTTP_OK; return MHD_YES; } @end verbatim @noindent The new client was registered when the postprocessor was created. Likewise, we unregister the client on destroying the postprocessor when the request is completed. @verbatim void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { if (NULL != con_info->postprocessor) { MHD_destroy_post_processor (con_info->postprocessor); nr_of_uploading_clients--; } if (con_info->fp) fclose (con_info->fp); } free (con_info); *con_cls = NULL; } @end verbatim @noindent This is essentially the whole example @code{largepost.c}. @heading Remarks Now that the clients are able to create files on the server, security aspects are becoming even more important than before. Aside from proper client authentication, the server should always make sure explicitly that no files will be created outside of a dedicated upload directory. In particular, filenames must be checked to not contain strings like "../". libmicrohttpd-0.9.33/doc/chapters/basicauthentication.inc0000644000175000017500000001620212207153262020466 00000000000000With the small exception of IP address based access control, requests from all connecting clients where served equally until now. This chapter discusses a first method of client's authentication and its limits. A very simple approach feasible with the means already discussed would be to expect the password in the @emph{URI} string before granting access to the secured areas. The password could be separated from the actual resource identifier by a certain character, thus the request line might look like @verbatim GET /picture.png?mypassword @end verbatim @noindent In the rare situation where the client is customized enough and the connection occurs through secured lines (e.g., a embedded device directly attached to another via wire) and where the ability to embedd a password in the URI or to pass on a URI with a password are desired, this can be a reasonable choice. But when it is assumed that the user connecting does so with an ordinary Internet browser, this implementation brings some problems about. For example, the URI including the password stays in the address field or at least in the history of the browser for anybody near enough to see. It will also be inconvenient to add the password manually to any new URI when the browser does not know how to compose this automatically. At least the convenience issue can be addressed by employing the simplest built-in password facilities of HTTP compliant browsers, hence we want to start there. It will however turn out to have still severe weaknesses in terms of security which need consideration. Before we will start implementing @emph{Basic Authentication} as described in @emph{RFC 2617}, we should finally abandon the bad practice of responding every request the first time our callback is called for a given connection. This is becoming more important now because the client and the server will have to talk in a more bi-directional way than before to But how can we tell whether the callback has been called before for the particular connection? Initially, the pointer this parameter references is set by @emph{MHD} in the callback. But it will also be "remembered" on the next call (for the same connection). Thus, we will generate no response until the parameter is non-null---implying the callback was called before at least once. We do not need to share information between different calls of the callback, so we can set the parameter to any adress that is assured to be not null. The pointer to the @code{connection} structure will be pointing to a legal address, so we take this. The first time @code{answer_to_connection} is called, we will not even look at the headers. @verbatim static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (0 != strcmp(method, "GET")) return MHD_NO; if (NULL == *con_cls) {*con_cls = connection; return MHD_YES;} ... /* else respond accordingly */ ... } @end verbatim @noindent Note how we lop off the connection on the first condition (no "GET" request), but return asking for more on the other one with @code{MHD_YES}. With this minor change, we can proceed to implement the actual authentication process. @heading Request for authentication Let us assume we had only files not intended to be handed out without the correct username/password, so every "GET" request will be challenged. @emph{RFC 2617} describes how the server shall ask for authentication by adding a @emph{WWW-Authenticate} response header with the name of the @emph{realm} protected. MHD can generate and queue such a failure response for you using the @code{MHD_queue_basic_auth_fail_response} API. The only thing you need to do is construct a response with the error page to be shown to the user if he aborts basic authentication. But first, you should check if the proper credentials were already supplied using the @code{MHD_basic_auth_get_username_password} call. Your code would then look like this: @verbatim static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { char *user; char *pass; int fail; struct MHD_Response *response; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (user == NULL) || (0 != strcmp (user, "root")) || (0 != strcmp (pass, "pa$$w0rd") ) ); if (user != NULL) free (user); if (pass != NULL) free (pass); if (fail) { const char *page = "Go away."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection, "my realm", response); } else { const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } MHD_destroy_response (response); return ret; } @end verbatim See the @code{examples} directory for the complete example file. @heading Remarks For a proper server, the conditional statements leading to a return of @code{MHD_NO} should yield a response with a more precise status code instead of silently closing the connection. For example, failures of memory allocation are best reported as @emph{internal server error} and unexpected authentication methods as @emph{400 bad request}. @heading Exercises @itemize @bullet @item Make the server respond to wrong credentials (but otherwise well-formed requests) with the recommended @emph{401 unauthorized} status code. If the client still does not authenticate correctly within the same connection, close it and store the client's IP address for a certain time. (It is OK to check for expiration not until the main thread wakes up again on the next connection.) If the client fails authenticating three times during this period, add it to another list for which the @code{AcceptPolicyCallback} function denies connection (temporally). @item With the network utility @code{netcat} connect and log the response of a "GET" request as you did in the exercise of the first example, this time to a file. Now stop the server and let @emph{netcat} listen on the same port the server used to listen on and have it fake being the proper server by giving the file's content as the response (e.g. @code{cat log | nc -l -p 8888}). Pretending to think your were connecting to the actual server, browse to the eavesdropper and give the correct credentials. Copy and paste the encoded string you see in @code{netcat}'s output to some of the Base64 decode tools available online and see how both the user's name and password could be completely restored. @end itemize libmicrohttpd-0.9.33/doc/chapters/sessions.inc0000644000175000017500000000523612207153262016320 00000000000000This chapter discusses how one should manage sessions, that is, share state between multiple HTTP requests from the same user. We use a simple example where the user submits multiple forms and the server is supposed to accumulate state from all of these forms. Naturally, as this is a network protocol, our session mechanism must support having many users with many concurrent sessions at the same time. In order to track users, we use a simple session cookie. A session cookie expires when the user closes the browser. Changing from session cookies to persistent cookies only requires adding an expiration time to the cookie. The server creates a fresh session cookie whenever a request without a cookie is received, or if the supplied session cookie is not known to the server. @heading Looking up the cookie Since MHD parses the HTTP cookie header for us, looking up an existing cookie is straightforward: @verbatim FIXME. @end verbatim Here, FIXME is the name we chose for our session cookie. @heading Setting the cookie header MHD requires the user to provide the full cookie format string in order to set cookies. In order to generate a unique cookie, our example creates a random 64-character text string to be used as the value of the cookie: @verbatim FIXME. @end verbatim Given this cookie value, we can then set the cookie header in our HTTP response as follows: @verbatim FIXME. @end verbatim @heading Remark: Session expiration It is of course possible that clients stop their interaction with the server at any time. In order to avoid using too much storage, the server must thus discard inactive sessions at some point. Our example implements this by discarding inactive sessions after a certain amount of time. Alternatively, the implementation may limit the total number of active sessions. Which bounds are used for idle sessions or the total number of sessions obviously depends largely on the type of the application and available server resources. @heading Example code A sample application implementing a website with multiple forms (which are dynamically created using values from previous POST requests from the same session) is available as the example @code{sessions.c}. Note that the example uses a simple, $O(n)$ linked list traversal to look up sessions and to expire old sessions. Using a hash table and a heap would be more appropriate if a large number of concurrent sessions is expected. @heading Remarks Naturally, it is quite conceivable to store session data in a database instead of in memory. Still, having mechanisms to expire data associated with long-time idle sessions (where the business process has still not finished) is likely a good idea. libmicrohttpd-0.9.33/doc/chapters/responseheaders.inc0000644000175000017500000001737012207153262017646 00000000000000Now that we are able to inspect the incoming request in great detail, this chapter discusses the means to enrich the outgoing responses likewise. As you have learned in the @emph{Hello, Browser} chapter, some obligatory header fields are added and set automatically for simple responses by the library itself but if more advanced features are desired, additional fields have to be created. One of the possible fields is the content type field and an example will be developed around it. This will lead to an application capable of correctly serving different types of files. When we responded with HTML page packed in the static string previously, the client had no choice but guessing about how to handle the response, because the server had not told him. What if we had sent a picture or a sound file? Would the message have been understood or merely been displayed as an endless stream of random characters in the browser? This is what the mime content types are for. The header of the response is extended by certain information about how the data is to be interpreted. To introduce the concept, a picture of the format @emph{PNG} will be sent to the client and labeled accordingly with @code{image/png}. Once again, we can base the new example on the @code{hellobrowser} program. @verbatim #define FILENAME "picture.png" #define MIMETYPE "image/png" static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { unsigned char *buffer = NULL; struct MHD_Response *response; @end verbatim @noindent We want the program to open the file for reading and determine its size: @verbatim int fd; int ret; struct stat sbuf; if (0 != strcmp (method, "GET")) return MHD_NO; if ( (-1 == (fd = open (FILENAME, O_RDONLY))) || (0 != fstat (fd, &sbuf)) ) { /* error accessing file */ /* ... (see below) */ } /* ... (see below) */ @end verbatim @noindent When dealing with files, there is a lot that could go wrong on the server side and if so, the client should be informed with @code{MHD_HTTP_INTERNAL_SERVER_ERROR}. @verbatim /* error accessing file */ if (fd != -1) close (fd); const char *errorstr = "An internal server error has occured!\ "; response = MHD_create_response_from_buffer (strlen (errorstr), (void *) errorstr, MHD_RESPMEM_PERSISTENT); if (response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return MHD_YES; } else return MHD_NO; if (!ret) { const char *errorstr = "An internal server error has occured!\ "; if (buffer) free(buffer); response = MHD_create_response_from_buffer (strlen(errorstr), (void*) errorstr, MHD_RESPMEM_PERSISTENT); if (response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return MHD_YES; } else return MHD_NO; } @end verbatim @noindent Note that we nevertheless have to create a response object even for sending a simple error code. Otherwise, the connection would just be closed without comment, leaving the client curious about what has happened. But in the case of success a response will be constructed directly from the file descriptor: @verbatim /* error accessing file */ /* ... (see above) */ } response = MHD_create_response_from_fd_at_offset (sbuf.st_size, fd, 0); MHD_add_response_header (response, "Content-Type", MIMETYPE); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); @end verbatim @noindent Note that the response object will take care of closing the file desciptor for us. Up to this point, there was little new. The actual novelty is that we enhance the header with the meta data about the content. Aware of the field's name we want to add, it is as easy as that: @verbatim MHD_add_response_header(response, "Content-Type", MIMETYPE); @end verbatim @noindent We do not have to append a colon expected by the protocol behind the first field---@emph{GNU libhttpdmicro} will take care of this. The function finishes with the well-known lines @verbatim ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } @end verbatim @noindent The complete program @code{responseheaders.c} is in the @code{examples} section as usual. Find a @emph{PNG} file you like and save it to the directory the example is run from under the name @code{picture.png}. You should find the image displayed on your browser if everything worked well. @heading Remarks The include file of the @emph{MHD} library comes with the header types mentioned in @emph{RFC 2616} already defined as macros. Thus, we could have written @code{MHD_HTTP_HEADER_CONTENT_TYPE} instead of @code{"Content-Type"} as well. However, one is not limited to these standard headers and could add custom response headers without violating the protocol. Whether, and how, the client would react to these custom header is up to the receiver. Likewise, the client is allowed to send custom request headers to the server as well, opening up yet more possibilities how client and server could communicate with each other. The method of creating the response from a file on disk only works for static content. Serving dynamically created responses will be a topic of a future chapter. @heading Exercises @itemize @bullet @item Remember that the original program was written under a few assumptions---a static response using a local file being one of them. In order to simulate a very large or hard to reach file that cannot be provided instantly, postpone the queuing in the callback with the @code{sleep} function for 30 seconds @emph{if} the file @code{/big.png} is requested (but deliver the same as above). A request for @code{/picture.png} should provide just the same but without any artificial delays. Now start two instances of your browser (or even use two machines) and see how the second client is put on hold while the first waits for his request on the slow file to be fulfilled. Finally, change the sourcecode to use @code{MHD_USE_THREAD_PER_CONNECTION} when the daemon is started and try again. @item Did you succeed in implementing the clock exercise yet? This time, let the server save the program's start time @code{t} and implement a response simulating a countdown that reaches 0 at @code{t+60}. Returning a message saying on which point the countdown is, the response should ultimately be to reply "Done" if the program has been running long enough, An unofficial, but widely understood, response header line is @code{Refresh: DELAY; url=URL} with the uppercase words substituted to tell the client it should request the given resource after the given delay again. Improve your program in that the browser (any modern browser should work) automatically reconnects and asks for the status again every 5 seconds or so. The URL would have to be composed so that it begins with "http://", followed by the @emph{URI} the server is reachable from the client's point of view. Maybe you want also to visualize the countdown as a status bar by creating a @code{
    } consisting of one row and @code{n} columns whose fields contain small images of either a red or a green light. @end itemize libmicrohttpd-0.9.33/doc/chapters/tlsauthentication.inc0000644000175000017500000003441412255340712020215 00000000000000We left the basic authentication chapter with the unsatisfactory conclusion that any traffic, including the credentials, could be intercepted by anyone between the browser client and the server. Protecting the data while it is sent over unsecured lines will be the goal of this chapter. Since version 0.4, the @emph{MHD} library includes support for encrypting the traffic by employing SSL/TSL. If @emph{GNU libmicrohttpd} has been configured to support these, encryption and decryption can be applied transparently on the data being sent, with only minimal changes to the actual source code of the example. @heading Preparation First, a private key for the server will be generated. With this key, the server will later be able to authenticate itself to the client---preventing anyone else from stealing the password by faking its identity. The @emph{OpenSSL} suite, which is available on many operating systems, can generate such a key. For the scope of this tutorial, we will be content with a 1024 bit key: @verbatim > openssl genrsa -out server.key 1024 @end verbatim @noindent In addition to the key, a certificate describing the server in human readable tokens is also needed. This certificate will be attested with our aforementioned key. In this way, we obtain a self-signed certificate, valid for one year. @verbatim > openssl req -days 365 -out server.pem -new -x509 -key server.key @end verbatim @noindent To avoid unnecessary error messages in the browser, the certificate needs to have a name that matches the @emph{URI}, for example, "localhost" or the domain. If you plan to have a publicly reachable server, you will need to ask a trusted third party, called @emph{Certificate Authority}, or @emph{CA}, to attest the certificate for you. This way, any visitor can make sure the server's identity is real. Whether the server's certificate is signed by us or a third party, once it has been accepted by the client, both sides will be communicating over encrypted channels. From this point on, it is the client's turn to authenticate itself. But this has already been implemented in the basic authentication scheme. @heading Changing the source code We merely have to extend the server program so that it loads the two files into memory, @verbatim int main () { struct MHD_Daemon *daemon; char *key_pem; char *cert_pem; key_pem = load_file (SERVERKEYFILE); cert_pem = load_file (SERVERCERTFILE); if ((key_pem == NULL) || (cert_pem == NULL)) { printf ("The key/certificate files could not be read.\n"); return 1; } @end verbatim @noindent and then we point the @emph{MHD} daemon to it upon initalization. @verbatim daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); if (NULL == daemon) { printf ("%s\n", cert_pem); free (key_pem); free (cert_pem); return 1; } @end verbatim @noindent The rest consists of little new besides some additional memory cleanups. @verbatim getchar (); MHD_stop_daemon (daemon); free (key_pem); free (cert_pem); return 0; } @end verbatim @noindent The rather unexciting file loader can be found in the complete example @code{tlsauthentication.c}. @heading Remarks @itemize @bullet @item While the standard @emph{HTTP} port is 80, it is 443 for @emph{HTTPS}. The common internet browsers assume standard @emph{HTTP} if they are asked to access other ports than these. Therefore, you will have to type @code{https://localhost:8888} explicitly when you test the example, or the browser will not know how to handle the answer properly. @item The remaining weak point is the question how the server will be trusted initially. Either a @emph{CA} signs the certificate or the client obtains the key over secure means. Anyway, the clients have to be aware (or configured) that they should not accept certificates of unknown origin. @item The introduced method of certificates makes it mandatory to set an expiration date---making it less feasible to hardcode certificates in embedded devices. @item The cryptographic facilities consume memory space and computing time. For this reason, websites usually consists both of uncritically @emph{HTTP} parts and secured @emph{HTTPS}. @end itemize @heading Client authentication You can also use MHD to authenticate the client via SSL/TLS certificates (as an alternative to using the password-based Basic or Digest authentication). To do this, you will need to link your application against @emph{gnutls}. Next, when you start the MHD daemon, you must specify the root CA that you're willing to trust: @verbatim daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_HTTPS_MEM_TRUST, root_ca_pem, MHD_OPTION_END); @end verbatim With this, you can then obtain client certificates for each session. In order to obtain the identity of the client, you first need to obtain the raw GnuTLS session handle from @emph{MHD} using @code{MHD_get_connection_info}. @verbatim #include #include gnutls_session_t tls_session; union MHD_ConnectionInfo *ci; ci = MHD_get_connection_info (connection, MHD_CONNECTION_INFO_GNUTLS_SESSION); tls_session = ci->tls_session; @end verbatim You can then extract the client certificate: @verbatim /** * Get the client's certificate * * @param tls_session the TLS session * @return NULL if no valid client certificate could be found, a pointer * to the certificate if found */ static gnutls_x509_crt_t get_client_certificate (gnutls_session_t tls_session) { unsigned int listsize; const gnutls_datum_t * pcert; gnutls_certificate_status_t client_cert_status; gnutls_x509_crt_t client_cert; if (tls_session == NULL) return NULL; if (gnutls_certificate_verify_peers2(tls_session, &client_cert_status)) return NULL; pcert = gnutls_certificate_get_peers(tls_session, &listsize); if ( (pcert == NULL) || (listsize == 0)) { fprintf (stderr, "Failed to retrieve client certificate chain\n"); return NULL; } if (gnutls_x509_crt_init(&client_cert)) { fprintf (stderr, "Failed to initialize client certificate\n"); return NULL; } /* Note that by passing values between 0 and listsize here, you can get access to the CA's certs */ if (gnutls_x509_crt_import(client_cert, &pcert[0], GNUTLS_X509_FMT_DER)) { fprintf (stderr, "Failed to import client certificate\n"); gnutls_x509_crt_deinit(client_cert); return NULL; } return client_cert; } @end verbatim Using the client certificate, you can then get the client's distinguished name and alternative names: @verbatim /** * Get the distinguished name from the client's certificate * * @param client_cert the client certificate * @return NULL if no dn or certificate could be found, a pointer * to the dn if found */ char * cert_auth_get_dn(gnutls_x509_crt_c client_cert) { char* buf; size_t lbuf; lbuf = 0; gnutls_x509_crt_get_dn(client_cert, NULL, &lbuf); buf = malloc(lbuf); if (buf == NULL) { fprintf (stderr, "Failed to allocate memory for certificate dn\n"); return NULL; } gnutls_x509_crt_get_dn(client_cert, buf, &lbuf); return buf; } /** * Get the alternative name of specified type from the client's certificate * * @param client_cert the client certificate * @param nametype The requested name type * @param index The position of the alternative name if multiple names are * matching the requested type, 0 for the first matching name * @return NULL if no matching alternative name could be found, a pointer * to the alternative name if found */ char * MHD_cert_auth_get_alt_name(gnutls_x509_crt_t client_cert, int nametype, unsigned int index) { char* buf; size_t lbuf; unsigned int seq; unsigned int subseq; unsigned int type; int result; subseq = 0; for (seq=0;;seq++) { lbuf = 0; result = gnutls_x509_crt_get_subject_alt_name2(client_cert, seq, NULL, &lbuf, &type, NULL); if (result == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) return NULL; if (nametype != (int) type) continue; if (subseq == index) break; subseq++; } buf = malloc(lbuf); if (buf == NULL) { fprintf (stderr, "Failed to allocate memory for certificate alt name\n"); return NULL; } result = gnutls_x509_crt_get_subject_alt_name2(client_cert, seq, buf, &lbuf, NULL, NULL); if (result != nametype) { fprintf (stderr, "Unexpected return value from gnutls: %d\n", result); free (buf); return NULL; } return buf; } @end verbatim Finally, you should release the memory associated with the client certificate: @verbatim gnutls_x509_crt_deinit (client_cert); @end verbatim @heading Using TLS Server Name Indication (SNI) SNI enables hosting multiple domains under one IP address with TLS. So SNI is the TLS-equivalent of virtual hosting. To use SNI with MHD, you need at least GnuTLS 3.0. The main change compared to the simple hosting of one domain is that you need to provide a callback instead of the key and certificate. For example, when you start the MHD daemon, you could do this: @verbatim daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_CERT_CALLBACK, &sni_callback, MHD_OPTION_END); @end verbatim Here, @code{sni_callback} is the name of a function that you will have to implement to retrieve the X.509 certificate for an incoming connection. The callback has type @code{gnutls_certificate_retrieve_function2} and is documented in the GnuTLS API for the @code{gnutls_certificate_set_retrieve_function2} as follows: @deftypefn {Function Pointer} int {*gnutls_certificate_retrieve_function2} (gnutls_session_t, const gnutls_datum_t* req_ca_dn, int nreqs, const gnutls_pk_algorithm_t* pk_algos, int pk_algos_length, gnutls_pcert_st** pcert, unsigned int *pcert_length, gnutls_privkey_t * pkey) @table @var @item req_ca_cert is only used in X.509 certificates. Contains a list with the CA names that the server considers trusted. Normally we should send a certificate that is signed by one of these CAs. These names are DER encoded. To get a more meaningful value use the function @code{gnutls_x509_rdn_get()}. @item pk_algos contains a list with server’s acceptable signature algorithms. The certificate returned should support the server’s given algorithms. @item pcert should contain a single certificate and public or a list of them. @item pcert_length is the size of the previous list. @item pkey is the private key. @end table @end deftypefn A possible implementation of this callback would look like this: @verbatim struct Hosts { struct Hosts *next; const char *hostname; gnutls_pcert_st pcrt; gnutls_privkey_t key; }; static struct Hosts *hosts; int sni_callback (gnutls_session_t session, const gnutls_datum_t* req_ca_dn, int nreqs, const gnutls_pk_algorithm_t* pk_algos, int pk_algos_length, gnutls_pcert_st** pcert, unsigned int *pcert_length, gnutls_privkey_t * pkey) { char name[256]; size_t name_len; struct Hosts *host; unsigned int type; name_len = sizeof (name); if (GNUTLS_E_SUCCESS != gnutls_server_name_get (session, name, &name_len, &type, 0 /* index */)) return -1; for (host = hosts; NULL != host; host = host->next) if (0 == strncmp (name, host->hostname, name_len)) break; if (NULL == host) { fprintf (stderr, "Need certificate for %.*s\n", (int) name_len, name); return -1; } fprintf (stderr, "Returning certificate for %.*s\n", (int) name_len, name); *pkey = host->key; *pcert_length = 1; *pcert = &host->pcrt; return 0; } @end verbatim Note that MHD cannot offer passing a closure or any other additional information to this callback, as the GnuTLS API unfortunately does not permit this at this point. The @code{hosts} list can be initialized by loading the private keys and X.509 certificats from disk as follows: @verbatim static void load_keys(const char *hostname, const char *CERT_FILE, const char *KEY_FILE) { int ret; gnutls_datum_t data; struct Hosts *host; host = malloc (sizeof (struct Hosts)); host->hostname = hostname; host->next = hosts; hosts = host; ret = gnutls_load_file (CERT_FILE, &data); if (ret < 0) { fprintf (stderr, "*** Error loading certificate file %s.\n", CERT_FILE); exit(1); } ret = gnutls_pcert_import_x509_raw (&host->pcrt, &data, GNUTLS_X509_FMT_PEM, 0); if (ret < 0) { fprintf(stderr, "*** Error loading certificate file: %s\n", gnutls_strerror (ret)); exit(1); } gnutls_free (data.data); ret = gnutls_load_file (KEY_FILE, &data); if (ret < 0) { fprintf (stderr, "*** Error loading key file %s.\n", KEY_FILE); exit(1); } gnutls_privkey_init (&host->key); ret = gnutls_privkey_import_x509_raw (host->key, &data, GNUTLS_X509_FMT_PEM, NULL, 0); if (ret < 0) { fprintf (stderr, "*** Error loading key file: %s\n", gnutls_strerror (ret)); exit(1); } gnutls_free (data.data); } @end verbatim The code above was largely lifted from GnuTLS. You can find other methods for initializing certificates and keys in the GnuTLS manual and source code. libmicrohttpd-0.9.33/doc/chapters/hellobrowser.inc0000644000175000017500000002567112207153262017166 00000000000000The most basic task for a HTTP server is to deliver a static text message to any client connecting to it. Given that this is also easy to implement, it is an excellent problem to start with. For now, the particular URI the client asks for shall have no effect on the message that will be returned. In addition, the server shall end the connection after the message has been sent so that the client will know there is nothing more to expect. The C program @code{hellobrowser.c}, which is to be found in the examples section, does just that. If you are very eager, you can compile and start it right away but it is advisable to type the lines in by yourself as they will be discussed and explained in detail. After the necessary includes and the definition of the port which our server should listen on @verbatim #include #include #include #include #define PORT 8888 @end verbatim @noindent the desired behaviour of our server when HTTP request arrive has to be implemented. We already have agreed that it should not care about the particular details of the request, such as who is requesting what. The server will respond merely with the same small HTML page to every request. The function we are going to write now will be called by @emph{GNU libmicrohttpd} every time an appropriate request comes in. While the name of this callback function is arbitrary, its parameter list has to follow a certain layout. So please, ignore the lot of parameters for now, they will be explained at the point they are needed. We have to use only one of them, @code{struct MHD_Connection *connection}, for the minimalistic functionality we want to archive at the moment. This parameter is set by the @emph{libmicrohttpd} daemon and holds the necessary information to relate the call with a certain connection. Keep in mind that a server might have to satisfy hundreds of concurrent connections and we have to make sure that the correct data is sent to the destined client. Therefore, this variable is a means to refer to a particular connection if we ask the daemon to sent the reply. Talking about the reply, it is defined as a string right after the function header @verbatim int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { const char *page = "Hello, browser!"; @end verbatim @noindent HTTP is a rather strict protocol and the client would certainly consider it "inappropriate" if we just sent the answer string "as is". Instead, it has to be wrapped with additional information stored in so-called headers and footers. Most of the work in this area is done by the library for us---we just have to ask. Our reply string packed in the necessary layers will be called a "response". To obtain such a response we hand our data (the reply--string) and its size over to the @code{MHD_create_response_from_buffer} function. The last two parameters basically tell @emph{MHD} that we do not want it to dispose the message data for us when it has been sent and there also needs no internal copy to be done because the @emph{constant} string won't change anyway. @verbatim struct MHD_Response *response; int ret; response = MHD_create_response_from_buffer (strlen (page), (void*) page, MHD_RESPMEM_PERSISTENT); @end verbatim @noindent Now that the the response has been laced up, it is ready for delivery and can be queued for sending. This is done by passing it to another @emph{GNU libmicrohttpd} function. As all our work was done in the scope of one function, the recipient is without doubt the one associated with the local variable @code{connection} and consequently this variable is given to the queue function. Every HTTP response is accompanied by a status code, here "OK", so that the client knows this response is the intended result of his request and not due to some error or malfunction. Finally, the packet is destroyed and the return value from the queue returned, already being set at this point to either MHD_YES or MHD_NO in case of success or failure. @verbatim ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } @end verbatim @noindent With the primary task of our server implemented, we can start the actual server daemon which will listen on @code{PORT} for connections. This is done in the main function. @verbatim int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; @end verbatim @noindent The first parameter is one of three possible modes of operation. Here we want the daemon to run in a separate thread and to manage all incoming connections in the same thread. This means that while producing the response for one connection, the other connections will be put on hold. In this example, where the reply is already known and therefore the request is served quickly, this poses no problem. We will allow all clients to connect regardless of their name or location, therefore we do not check them on connection and set the forth and fifth parameter to NULL. Parameter six is the address of the function we want to be called whenever a new connection has been established. Our @code{answer_to_connection} knows best what the client wants and needs no additional information (which could be passed via the next parameter) so the next parameter is NULL. Likewise, we do not need to pass extra options to the daemon so we just write the MHD_OPTION_END as the last parameter. As the server daemon runs in the background in its own thread, the execution flow in our main function will contine right after the call. Because of this, we must delay the execution flow in the main thread or else the program will terminate prematurely. We let it pause in a processing-time friendly manner by waiting for the enter key to be pressed. In the end, we stop the daemon so it can do its cleanup tasks. @verbatim getchar (); MHD_stop_daemon (daemon); return 0; } @end verbatim @noindent The first example is now complete. Compile it with @verbatim cc hellobrowser.c -o hellobrowser -I$PATH_TO_LIBMHD_INCLUDES -L$PATH_TO_LIBMHD_LIBS -lmicrohttpd @end verbatim with the two paths set accordingly and run it. Now open your favorite Internet browser and go to the address @code{http://localhost:8888/}, provided that 8888 is the port you chose. If everything works as expected, the browser will present the message of the static HTML page it got from our minimal server. @heading Remarks To keep this first example as small as possible, some drastic shortcuts were taken and are to be discussed now. Firstly, there is no distinction made between the kinds of requests a client could send. We implied that the client sends a GET request, that means, that he actually asked for some data. Even when it is not intended to accept POST requests, a good server should at least recognize that this request does not constitute a legal request and answer with an error code. This can be easily implemented by checking if the parameter @code{method} equals the string "GET" and returning a @code{MHD_NO} if not so. Secondly, the above practice of queuing a response upon the first call of the callback function brings with it some limitations. This is because the content of the message body will not be received if a response is queued in the first iteration. Furthermore, the connection will be closed right after the response has been transferred then. This is typically not what you want as it disables HTTP pipelining. The correct approach is to simply not queue a message on the first callback unless there is an error. The @code{void**} argument to the callback provides a location for storing information about the history of the connection; for the first call, the pointer will point to NULL. A simplistic way to differenciate the first call from others is to check if the pointer is NULL and set it to a non-NULL value during the first call. Both of these issues you will find addressed in the official @code{minimal_example.c} residing in the @code{src/examples} directory of the @emph{MHD} package. The source code of this program should look very familiar to you by now and easy to understand. For our example, the @code{must_copy} and @code{must_free} parameter at the response construction function could be set to @code{MHD_NO}. In the usual case, responses cannot be sent immediately after being queued. For example, there might be other data on the system that needs to be sent with a higher priority. Nevertheless, the queue function will return successfully---raising the problem that the data we have pointed to may be invalid by the time it is about being sent. This is not an issue here because we can expect the @code{page} string, which is a constant @emph{string literal} here, to be static. That means it will be present and unchanged for as long as the program runs. For dynamic data, one could choose to either have @emph{MHD} free the memory @code{page} points to itself when it is not longer needed or, alternatively, have the library to make and manage its own copy of it. @heading Exercises @itemize @bullet @item While the server is running, use a program like @code{telnet} or @code{netcat} to connect to it. Try to form a valid HTTP 1.1 request yourself like @verbatim GET /dontcare HTTP/1.1 Host: itsme @end verbatim @noindent and see what the server returns to you. @item Also, try other requests, like POST, and see how our server does not mind and why. How far in malforming a request can you go before the builtin functionality of @emph{MHD} intervenes and an altered response is sent? Make sure you read about the status codes in the @emph{RFC}. @item Add the option @code{MHD_USE_PEDANTIC_CHECKS} to the start function of the daemon in @code{main}. Mind the special format of the parameter list here which is described in the manual. How indulgent is the server now to your input? @item Let the main function take a string as the first command line argument and pass @code{argv[1]} to the @code{MHD_start_daemon} function as the sixth parameter. The address of this string will be passed to the callback function via the @code{cls} variable. Decorate the text given at the command line when the server is started with proper HTML tags and send it as the response instead of the former static string. @item @emph{Demanding:} Write a separate function returning a string containing some useful information, for example, the time. Pass the function's address as the sixth parameter and evaluate this function on every request anew in @code{answer_to_connection}. Remember to free the memory of the string every time after satisfying the request. @end itemize libmicrohttpd-0.9.33/doc/chapters/processingpost.inc0000644000175000017500000002146212207153262017533 00000000000000The previous chapters already have demonstrated a variety of possibilities to send information to the HTTP server, but it is not recommended that the @emph{GET} method is used to alter the way the server operates. To induce changes on the server, the @emph{POST} method is preferred over and is much more powerful than @emph{GET} and will be introduced in this chapter. We are going to write an application that asks for the visitor's name and, after the user has posted it, composes an individual response text. Even though it was not mandatory to use the @emph{POST} method here, as there is no permanent change caused by the POST, it is an illustrative example on how to share data between different functions for the same connection. Furthermore, the reader should be able to extend it easily. @heading GET request When the first @emph{GET} request arrives, the server shall respond with a HTML page containing an edit field for the name. @verbatim const char* askpage = "\ What's your name, Sir?
    \
    \ \ "; @end verbatim @noindent The @code{action} entry is the @emph{URI} to be called by the browser when posting, and the @code{name} will be used later to be sure it is the editbox's content that has been posted. We also prepare the answer page, where the name is to be filled in later, and an error page as the response for anything but proper @emph{GET} and @emph{POST} requests: @verbatim const char* greatingpage="

    Welcome, %s!

    "; const char* errorpage="This doesn't seem to be right."; @end verbatim @noindent Whenever we need to send a page, we use an extra function @code{int send_page(struct MHD_Connection *connection, const char* page)} for this, which does not contain anything new and whose implementation is therefore not discussed further in the tutorial. @heading POST request Posted data can be of arbitrary and considerable size; for example, if a user uploads a big image to the server. Similar to the case of the header fields, there may also be different streams of posted data, such as one containing the text of an editbox and another the state of a button. Likewise, we will have to register an iterator function that is going to be called maybe several times not only if there are different POSTs but also if one POST has only been received partly yet and needs processing before another chunk can be received. Such an iterator function is called by a @emph{postprocessor}, which must be created upon arriving of the post request. We want the iterator function to read the first post data which is tagged @code{name} and to create an individual greeting string based on the template and the name. But in order to pass this string to other functions and still be able to differentiate different connections, we must first define a structure to share the information, holding the most import entries. @verbatim struct connection_info_struct { int connectiontype; char *answerstring; struct MHD_PostProcessor *postprocessor; }; @end verbatim @noindent With these information available to the iterator function, it is able to fulfill its task. Once it has composed the greeting string, it returns @code{MHD_NO} to inform the post processor that it does not need to be called again. Note that this function does not handle processing of data for the same @code{key}. If we were to expect that the name will be posted in several chunks, we had to expand the namestring dynamically as additional parts of it with the same @code{key} came in. But in this example, the name is assumed to fit entirely inside one single packet. @verbatim static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; if (0 == strcmp (key, "name")) { if ((size > 0) && (size <= MAXNAMESIZE)) { char *answerstring; answerstring = malloc (MAXANSWERSIZE); if (!answerstring) return MHD_NO; snprintf (answerstring, MAXANSWERSIZE, greatingpage, data); con_info->answerstring = answerstring; } else con_info->answerstring = NULL; return MHD_NO; } return MHD_YES; } @end verbatim @noindent Once a connection has been established, it can be terminated for many reasons. As these reasons include unexpected events, we have to register another function that cleans up any resources that might have been allocated for that connection by us, namely the post processor and the greetings string. This cleanup function must take into account that it will also be called for finished requests other than @emph{POST} requests. @verbatim void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { MHD_destroy_post_processor (con_info->postprocessor); if (con_info->answerstring) free (con_info->answerstring); } free (con_info); *con_cls = NULL; } @end verbatim @noindent @emph{GNU libmicrohttpd} is informed that it shall call the above function when the daemon is started in the main function. @verbatim ... daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, &request_completed, NULL, MHD_OPTION_END); ... @end verbatim @noindent @heading Request handling With all other functions prepared, we can now discuss the actual request handling. On the first iteration for a new request, we start by allocating a new instance of a @code{struct connection_info_struct} structure, which will store all necessary information for later iterations and other functions. @verbatim static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if(NULL == *con_cls) { struct connection_info_struct *con_info; con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->answerstring = NULL; @end verbatim @noindent If the new request is a @emph{POST}, the postprocessor must be created now. In addition, the type of the request is stored for convenience. @verbatim if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void*) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } con_info->connectiontype = POST; } else con_info->connectiontype = GET; @end verbatim @noindent The address of our structure will both serve as the indicator for successive iterations and to remember the particular details about the connection. @verbatim *con_cls = (void*) con_info; return MHD_YES; } @end verbatim @noindent The rest of the function will not be executed on the first iteration. A @emph{GET} request is easily satisfied by sending the question form. @verbatim if (0 == strcmp (method, "GET")) { return send_page (connection, askpage); } @end verbatim @noindent In case of @emph{POST}, we invoke the post processor for as long as data keeps incoming, setting @code{*upload_data_size} to zero in order to indicate that we have processed---or at least have considered---all of it. @verbatim if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (*upload_data_size != 0) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else if (NULL != con_info->answerstring) return send_page (connection, con_info->answerstring); } @end verbatim @noindent Finally, if they are neither @emph{GET} nor @emph{POST} requests, the error page is returned. @verbatim return send_page(connection, errorpage); } @end verbatim @noindent These were the important parts of the program @code{simplepost.c}. libmicrohttpd-0.9.33/doc/chapters/bibliography.inc0000644000175000017500000000204012207153262017113 00000000000000@heading API reference @itemize @bullet @item The @emph{GNU libmicrohttpd} manual by Marco Maggi and Christian Grothoff 2008 @uref{http://gnunet.org/libmicrohttpd/microhttpd.html} @item All referenced RFCs can be found on the website of @emph{The Internet Engineering Task Force} @uref{http://www.ietf.org/} @item @emph{RFC 2616}: Fielding, R., Gettys, J., Mogul, J., Frystyk, H., and T. Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC 2016, January 1997. @item @emph{RFC 2617}: Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S., Leach, P., Luotonen, A., and L. Stewart, "HTTP Authentication: Basic and Digest Access Authentication", RFC 2617, June 1999. @item A well--structured @emph{HTML} reference can be found on @uref{http://www.echoecho.com/html.htm} For those readers understanding German or French, there is an excellent document both for learning @emph{HTML} and for reference, whose English version unfortunately has been discontinued. @uref{http://de.selfhtml.org/} and @uref{http://fr.selfhtml.org/} @end itemize libmicrohttpd-0.9.33/doc/chapters/exploringrequests.inc0000644000175000017500000001244512207153262020255 00000000000000This chapter will deal with the information which the client sends to the server at every request. We are going to examine the most useful fields of such an request and print them out in a readable manner. This could be useful for logging facilities. The starting point is the @emph{hellobrowser} program with the former response removed. This time, we just want to collect information in the callback function, thus we will just return MHD_NO after we have probed the request. This way, the connection is closed without much ado by the server. @verbatim static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { ... return MHD_NO; } @end verbatim @noindent The ellipsis marks the position where the following instructions shall be inserted. We begin with the most obvious information available to the server, the request line. You should already have noted that a request consists of a command (or "HTTP method") and a URI (e.g. a filename). It also contains a string for the version of the protocol which can be found in @code{version}. To call it a "new request" is justified because we return only @code{MHD_NO}, thus ensuring the function will not be called again for this connection. @verbatim printf ("New %s request for %s using version %s\n", method, url, version); @end verbatim @noindent The rest of the information is a bit more hidden. Nevertheless, there is lot of it sent from common Internet browsers. It is stored in "key-value" pairs and we want to list what we find in the header. As there is no mandatory set of keys a client has to send, each key-value pair is printed out one by one until there are no more left. We do this by writing a separate function which will be called for each pair just like the above function is called for each HTTP request. It can then print out the content of this pair. @verbatim int print_out_key (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { printf ("%s: %s\n", key, value); return MHD_YES; } @end verbatim @noindent To start the iteration process that calls our new function for every key, the line @verbatim MHD_get_connection_values (connection, MHD_HEADER_KIND, &print_out_key, NULL); @end verbatim @noindent needs to be inserted in the connection callback function too. The second parameter tells the function that we are only interested in keys from the general HTTP header of the request. Our iterating function @code{print_out_key} does not rely on any additional information to fulfill its duties so the last parameter can be NULL. All in all, this constitutes the complete @code{logging.c} program for this chapter which can be found in the @code{examples} section. Connecting with any modern Internet browser should yield a handful of keys. You should try to interpret them with the aid of @emph{RFC 2616}. Especially worth mentioning is the "Host" key which is often used to serve several different websites hosted under one single IP address but reachable by different domain names (this is called virtual hosting). @heading Conclusion The introduced capabilities to itemize the content of a simple GET request---especially the URI---should already allow the server to satisfy clients' requests for small specific resources (e.g. files) or even induce alteration of server state. However, the latter is not recommended as the GET method (including its header data) is by convention considered a "safe" operation, which should not change the server's state in a significant way. By convention, GET operations can thus be performed by crawlers and other automatic software. Naturally actions like searching for a passed string are fine. Of course, no transmission can occur while the return value is still set to @code{MHD_NO} in the callback function. @heading Exercises @itemize @bullet @item By parsing the @code{url} string and delivering responses accordingly, implement a small server for "virtual" files. When asked for @code{/index.htm@{l@}}, let the response consist of a HTML page containing a link to @code{/another.html} page which is also to be created "on the fly" in case of being requested. If neither of these two pages are requested, @code{MHD_HTTP_NOT_FOUND} shall be returned accompanied by an informative message. @item A very interesting information has still been ignored by our logger---the client's IP address. Implement a callback function @verbatim static int on_client_connect (void *cls, const struct sockaddr *addr, socklen_t addrlen) @end verbatim @noindent that prints out the IP address in an appropriate format. You might want to use the POSIX function @code{inet_ntoa} but bear in mind that @code{addr} is actually just a structure containing other substructures and is @emph{not} the variable this function expects. Make sure to return @code{MHD_YES} so that the library knows the client is allowed to connect (and to then process the request). If one wanted to limit access basing on IP addresses, this would be the place to do it. The address of your @code{on_client_connect} function must be passed as the third parameter to the @code{MHD_start_daemon} call. @end itemize libmicrohttpd-0.9.33/doc/chapters/introduction.inc0000644000175000017500000000225112207153262017165 00000000000000This tutorial is for developers who want to learn how they can add HTTP serving capabilities to their applications with the @emph{GNU libmicrohttpd} library, abbreviated @emph{MHD}. The reader will learn how to implement basic HTTP functions from simple executable sample programs that implement various features. The text is supposed to be a supplement to the API reference manual of @emph{GNU libmicrohttpd} and for that reason does not explain many of the parameters. Therefore, the reader should always consult the manual to find the exact meaning of the functions used in the tutorial. Furthermore, the reader is encouraged to study the relevant @emph{RFCs}, which document the HTTP standard. @emph{GNU libmicrohttpd} is assumed to be already installed. This tutorial is written for version @value{VERSION}. At the time being, this tutorial has only been tested on @emph{GNU/Linux} machines even though efforts were made not to rely on anything that would prevent the samples from being built on similar systems. @section History This tutorial was originally written by Sebastian Gerhardt for MHD 0.4.0. 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You can do so by permitting redistribution under these terms (or, alternatively, under the terms of the ordinary General Public License). To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the ``copyright'' line and a pointer to where the full notice is found. @smallexample @var{one line to give the library's name and an idea of what it does.} Copyright (C) @var{year} @var{name of author} This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. @end smallexample Also add information on how to contact you by electronic and paper mail. You should also get your employer (if you work as a programmer) or your school, if any, to sign a ``copyright disclaimer'' for the library, if necessary. Here is a sample; alter the names: @smallexample Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. @var{signature of Ty Coon}, 1 April 1990 Ty Coon, President of Vice @end smallexample That's all there is to it! libmicrohttpd-0.9.33/doc/examples/0000755000175000017500000000000012255341026014036 500000000000000libmicrohttpd-0.9.33/doc/examples/responseheaders.c0000644000175000017500000000404112207153262017313 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #include #include #define PORT 8888 #define FILENAME "picture.png" #define MIMETYPE "image/png" static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { struct MHD_Response *response; int fd; int ret; struct stat sbuf; if (0 != strcmp (method, "GET")) return MHD_NO; if ( (-1 == (fd = open (FILENAME, O_RDONLY))) || (0 != fstat (fd, &sbuf)) ) { /* error accessing file */ if (fd != -1) (void) close (fd); const char *errorstr = "An internal server error has occured!\ "; response = MHD_create_response_from_buffer (strlen (errorstr), (void *) errorstr, MHD_RESPMEM_PERSISTENT); if (NULL != response) { ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return ret; } else return MHD_NO; } response = MHD_create_response_from_fd_at_offset (sbuf.st_size, fd, 0); MHD_add_response_header (response, "Content-Type", MIMETYPE); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); 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#include #include #include #include #define PORT 8888 #define REALM "\"Maintenance\"" #define USER "a legitimate user" #define PASSWORD "and his password" #define SERVERKEYFILE "server.key" #define SERVERCERTFILE "server.pem" static char * string_to_base64 (const char *message) { const char *lookup = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; unsigned long l; int i; char *tmp; size_t length = strlen (message); tmp = malloc (length * 2); if (NULL == tmp) return tmp; tmp[0] = 0; for (i = 0; i < length; i += 3) { l = (((unsigned long) message[i]) << 16) | (((i + 1) < length) ? (((unsigned long) message[i + 1]) << 8) : 0) | (((i + 2) < length) ? ((unsigned long) message[i + 2]) : 0); strncat (tmp, &lookup[(l >> 18) & 0x3F], 1); strncat (tmp, &lookup[(l >> 12) & 0x3F], 1); if (i + 1 < length) strncat (tmp, &lookup[(l >> 6) & 0x3F], 1); if (i + 2 < length) strncat (tmp, &lookup[l & 0x3F], 1); } if (length % 3) strncat (tmp, "===", 3 - length % 3); return tmp; } static long get_file_size (const char *filename) { FILE *fp; fp = fopen (filename, "rb"); if (fp) { long size; if ((0 != fseek (fp, 0, SEEK_END)) || (-1 == (size = ftell (fp)))) size = 0; fclose (fp); return size; } else return 0; } static char * load_file (const char *filename) { FILE *fp; char *buffer; long size; size = get_file_size (filename); if (size == 0) return NULL; fp = fopen (filename, "rb"); if (!fp) return NULL; buffer = malloc (size); if (!buffer) { fclose (fp); return NULL; } if (size != fread (buffer, 1, size, fp)) { free (buffer); buffer = NULL; } fclose (fp); return buffer; } static int ask_for_authentication (struct MHD_Connection *connection, const char *realm) { int ret; struct MHD_Response *response; char *headervalue; const char *strbase = "Basic realm="; response = MHD_create_response_from_buffer (0, NULL, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; headervalue = malloc (strlen (strbase) + strlen (realm) + 1); if (!headervalue) return MHD_NO; strcpy (headervalue, strbase); strcat (headervalue, realm); ret = MHD_add_response_header (response, "WWW-Authenticate", headervalue); free (headervalue); if (!ret) { MHD_destroy_response (response); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_UNAUTHORIZED, response); MHD_destroy_response (response); return ret; } static int is_authenticated (struct MHD_Connection *connection, const char *username, const char *password) { const char *headervalue; char *expected_b64, *expected; const char *strbase = "Basic "; int authenticated; headervalue = MHD_lookup_connection_value (connection, MHD_HEADER_KIND, "Authorization"); if (NULL == headervalue) return 0; if (0 != strncmp (headervalue, strbase, strlen (strbase))) return 0; expected = malloc (strlen (username) + 1 + strlen (password) + 1); if (NULL == expected) return 0; strcpy (expected, username); strcat (expected, ":"); strcat (expected, password); expected_b64 = string_to_base64 (expected); free (expected); if (NULL == expected_b64) return 0; authenticated = (strcmp (headervalue + strlen (strbase), expected_b64) == 0); free (expected_b64); return authenticated; } static int secret_page (struct MHD_Connection *connection) { int ret; struct MHD_Response *response; const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (0 != strcmp (method, "GET")) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } if (!is_authenticated (connection, USER, PASSWORD)) return ask_for_authentication (connection, REALM); return secret_page (connection); } int main () { struct MHD_Daemon *daemon; char *key_pem; char *cert_pem; key_pem = load_file (SERVERKEYFILE); cert_pem = load_file (SERVERCERTFILE); if ((key_pem == NULL) || (cert_pem == NULL)) { printf ("The key/certificate files could not be read.\n"); return 1; } daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_SSL, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); if (NULL == daemon) { printf ("%s\n", cert_pem); free (key_pem); free (cert_pem); return 1; } (void) getchar (); MHD_stop_daemon (daemon); free (key_pem); free (cert_pem); return 0; } libmicrohttpd-0.9.33/doc/examples/sessions.c0000644000175000017500000004447112207153262016002 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ /* needed for asprintf */ #define _GNU_SOURCE #include #include #include #include #include #include #if defined _WIN32 && !defined(__MINGW64_VERSION_MAJOR) static int asprintf (char **resultp, const char *format, ...) { va_list argptr; char *result = NULL; int len = 0; if (format == NULL) return -1; va_start (argptr, format); len = _vscprintf ((char *) format, argptr); if (len >= 0) { len += 1; result = (char *) malloc (sizeof (char *) * len); if (result != NULL) { int len2 = _vscprintf ((char *) format, argptr); if (len2 != len - 1 || len2 <= 0) { free (result); result = NULL; len = -1; } else { len = len2; if (resultp) *resultp = result; } } } va_end (argptr); return len; } #endif /** * Invalid method page. */ #define METHOD_ERROR "Illegal requestGo away." /** * Invalid URL page. */ #define NOT_FOUND_ERROR "Not foundGo away." /** * Front page. (/) */ #define MAIN_PAGE "Welcome
    What is your name? " /** * Second page. (/2) */ #define SECOND_PAGE "Tell me moreprevious %s, what is your job? " /** * Second page (/S) */ #define SUBMIT_PAGE "Ready to submit?previous " /** * Last page. */ #define LAST_PAGE "Thank youThank you." /** * Name of our cookie. */ #define COOKIE_NAME "session" /** * State we keep for each user/session/browser. */ struct Session { /** * We keep all sessions in a linked list. */ struct Session *next; /** * Unique ID for this session. */ char sid[33]; /** * Reference counter giving the number of connections * currently using this session. */ unsigned int rc; /** * Time when this session was last active. */ time_t start; /** * String submitted via form. */ char value_1[64]; /** * Another value submitted via form. */ char value_2[64]; }; /** * Data kept per request. */ struct Request { /** * Associated session. */ struct Session *session; /** * Post processor handling form data (IF this is * a POST request). */ struct MHD_PostProcessor *pp; /** * URL to serve in response to this POST (if this request * was a 'POST') */ const char *post_url; }; /** * Linked list of all active sessions. Yes, O(n) but a * hash table would be overkill for a simple example... */ static struct Session *sessions; /** * Return the session handle for this connection, or * create one if this is a new user. */ static struct Session * get_session (struct MHD_Connection *connection) { struct Session *ret; const char *cookie; cookie = MHD_lookup_connection_value (connection, MHD_COOKIE_KIND, COOKIE_NAME); if (cookie != NULL) { /* find existing session */ ret = sessions; while (NULL != ret) { if (0 == strcmp (cookie, ret->sid)) break; ret = ret->next; } if (NULL != ret) { ret->rc++; return ret; } } /* create fresh session */ ret = calloc (1, sizeof (struct Session)); if (NULL == ret) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return NULL; } /* not a super-secure way to generate a random session ID, but should do for a simple example... */ snprintf (ret->sid, sizeof (ret->sid), "%X%X%X%X", (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand (), (unsigned int) rand ()); ret->rc++; ret->start = time (NULL); ret->next = sessions; sessions = ret; return ret; } /** * Type of handler that generates a reply. * * @param cls content for the page (handler-specific) * @param mime mime type to use * @param session session information * @param connection connection to process * @param MHD_YES on success, MHD_NO on failure */ typedef int (*PageHandler)(const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection); /** * Entry we generate for each page served. */ struct Page { /** * Acceptable URL for this page. */ const char *url; /** * Mime type to set for the page. */ const char *mime; /** * Handler to call to generate response. */ PageHandler handler; /** * Extra argument to handler. */ const void *handler_cls; }; /** * Add header to response to set a session cookie. * * @param session session to use * @param response response to modify */ static void add_session_cookie (struct Session *session, struct MHD_Response *response) { char cstr[256]; snprintf (cstr, sizeof (cstr), "%s=%s", COOKIE_NAME, session->sid); if (MHD_NO == MHD_add_response_header (response, MHD_HTTP_HEADER_SET_COOKIE, cstr)) { fprintf (stderr, "Failed to set session cookie header!\n"); } } /** * Handler that returns a simple static HTTP page that * is passed in via 'cls'. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int serve_simple_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; struct MHD_Response *response; /* return static form */ response = MHD_create_response_from_buffer (strlen (form), (void *) form, MHD_RESPMEM_PERSISTENT); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' value to the given HTML code. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; char *reply; struct MHD_Response *response; if (-1 == asprintf (&reply, form, session->value_1)) { /* oops */ return MHD_NO; } /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler that adds the 'v1' and 'v2' values to the given HTML code. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int fill_v1_v2_form (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; const char *form = cls; char *reply; struct MHD_Response *response; if (-1 == asprintf (&reply, form, session->value_1, session->value_2)) { /* oops */ return MHD_NO; } /* return static form */ response = MHD_create_response_from_buffer (strlen (reply), (void *) reply, MHD_RESPMEM_MUST_FREE); add_session_cookie (session, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } /** * Handler used to generate a 404 reply. * * @param cls a 'const char *' with the HTML webpage to return * @param mime mime type to use * @param session session handle * @param connection connection to use */ static int not_found_page (const void *cls, const char *mime, struct Session *session, struct MHD_Connection *connection) { int ret; struct MHD_Response *response; /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (NOT_FOUND_ERROR), (void *) NOT_FOUND_ERROR, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_ENCODING, mime); MHD_destroy_response (response); return ret; } /** * List of all pages served by this HTTP server. */ static struct Page pages[] = { { "/", "text/html", &fill_v1_form, MAIN_PAGE }, { "/2", "text/html", &fill_v1_v2_form, SECOND_PAGE }, { "/S", "text/html", &serve_simple_form, SUBMIT_PAGE }, { "/F", "text/html", &serve_simple_form, LAST_PAGE }, { NULL, NULL, ¬_found_page, NULL } /* 404 */ }; /** * Iterator over key-value pairs where the value * maybe made available in increments and/or may * not be zero-terminated. Used for processing * POST data. * * @param cls user-specified closure * @param kind type of the value * @param key 0-terminated key for the value * @param filename name of the uploaded file, NULL if not known * @param content_type mime-type of the data, NULL if not known * @param transfer_encoding encoding of the data, NULL if not known * @param data pointer to size bytes of data at the * specified offset * @param off offset of data in the overall value * @param size number of bytes in data available * @return MHD_YES to continue iterating, * MHD_NO to abort the iteration */ static int post_iterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct Request *request = cls; struct Session *session = request->session; if (0 == strcmp ("DONE", key)) { fprintf (stdout, "Session `%s' submitted `%s', `%s'\n", session->sid, session->value_1, session->value_2); return MHD_YES; } if (0 == strcmp ("v1", key)) { if (size + off > sizeof(session->value_1)) size = sizeof (session->value_1) - off; memcpy (&session->value_1[off], data, size); if (size + off < sizeof (session->value_1)) session->value_1[size+off] = '\0'; return MHD_YES; } if (0 == strcmp ("v2", key)) { if (size + off > sizeof(session->value_2)) size = sizeof (session->value_2) - off; memcpy (&session->value_2[off], data, size); if (size + off < sizeof (session->value_2)) session->value_2[size+off] = '\0'; return MHD_YES; } fprintf (stderr, "Unsupported form value `%s'\n", key); return MHD_YES; } /** * Main MHD callback for handling requests. * * * @param cls argument given together with the function * pointer when the handler was registered with MHD * @param connection handle to connection which is being processed * @param url the requested url * @param method the HTTP method used ("GET", "PUT", etc.) * @param version the HTTP version string (i.e. "HTTP/1.1") * @param upload_data the data being uploaded (excluding HEADERS, * for a POST that fits into memory and that is encoded * with a supported encoding, the POST data will NOT be * given in upload_data and is instead available as * part of MHD_get_connection_values; very large POST * data *will* be made available incrementally in * upload_data) * @param upload_data_size set initially to the size of the * upload_data provided; the method must update this * value to the number of bytes NOT processed; * @param ptr pointer that the callback can set to some * address and that will be preserved by MHD for future * calls for this request; since the access handler may * be called many times (i.e., for a PUT/POST operation * with plenty of upload data) this allows the application * to easily associate some request-specific state. * If necessary, this state can be cleaned up in the * global "MHD_RequestCompleted" callback (which * can be set with the MHD_OPTION_NOTIFY_COMPLETED). * Initially, *con_cls will be NULL. * @return MHS_YES if the connection was handled successfully, * MHS_NO if the socket must be closed due to a serios * error while handling the request */ static int create_response (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; struct Request *request; struct Session *session; int ret; unsigned int i; request = *ptr; if (NULL == request) { request = calloc (1, sizeof (struct Request)); if (NULL == request) { fprintf (stderr, "calloc error: %s\n", strerror (errno)); return MHD_NO; } *ptr = request; if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { request->pp = MHD_create_post_processor (connection, 1024, &post_iterator, request); if (NULL == request->pp) { fprintf (stderr, "Failed to setup post processor for `%s'\n", url); return MHD_NO; /* internal error */ } } return MHD_YES; } if (NULL == request->session) { request->session = get_session (connection); if (NULL == request->session) { fprintf (stderr, "Failed to setup session for `%s'\n", url); return MHD_NO; /* internal error */ } } session = request->session; session->start = time (NULL); if (0 == strcmp (method, MHD_HTTP_METHOD_POST)) { /* evaluate POST data */ MHD_post_process (request->pp, upload_data, *upload_data_size); if (0 != *upload_data_size) { *upload_data_size = 0; return MHD_YES; } /* done with POST data, serve response */ MHD_destroy_post_processor (request->pp); request->pp = NULL; method = MHD_HTTP_METHOD_GET; /* fake 'GET' */ if (NULL != request->post_url) url = request->post_url; } if ( (0 == strcmp (method, MHD_HTTP_METHOD_GET)) || (0 == strcmp (method, MHD_HTTP_METHOD_HEAD)) ) { /* find out which page to serve */ i=0; while ( (pages[i].url != NULL) && (0 != strcmp (pages[i].url, url)) ) i++; ret = pages[i].handler (pages[i].handler_cls, pages[i].mime, session, connection); if (ret != MHD_YES) fprintf (stderr, "Failed to create page for `%s'\n", url); return ret; } /* unsupported HTTP method */ response = MHD_create_response_from_buffer (strlen (METHOD_ERROR), (void *) METHOD_ERROR, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE, response); MHD_destroy_response (response); return ret; } /** * Callback called upon completion of a request. * Decrements session reference counter. * * @param cls not used * @param connection connection that completed * @param con_cls session handle * @param toe status code */ static void request_completed_callback (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct Request *request = *con_cls; if (NULL == request) return; if (NULL != request->session) request->session->rc--; if (NULL != request->pp) MHD_destroy_post_processor (request->pp); free (request); } /** * Clean up handles of sessions that have been idle for * too long. */ static void expire_sessions () { struct Session *pos; struct Session *prev; struct Session *next; time_t now; now = time (NULL); prev = NULL; pos = sessions; while (NULL != pos) { next = pos->next; if (now - pos->start > 60 * 60) { /* expire sessions after 1h */ if (NULL == prev) sessions = pos->next; else prev->next = next; free (pos); } else prev = pos; pos = next; } } /** * Call with the port number as the only argument. * Never terminates (other than by signals, such as CTRL-C). */ int main (int argc, char *const *argv) { struct MHD_Daemon *d; struct timeval tv; struct timeval *tvp; fd_set rs; fd_set ws; fd_set es; int max; MHD_UNSIGNED_LONG_LONG mhd_timeout; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } /* initialize PRNG */ srand ((unsigned int) time (NULL)); d = MHD_start_daemon (MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &create_response, NULL, MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 15, MHD_OPTION_NOTIFY_COMPLETED, &request_completed_callback, NULL, MHD_OPTION_END); if (NULL == d) return 1; while (1) { expire_sessions (); max = 0; FD_ZERO (&rs); FD_ZERO (&ws); FD_ZERO (&es); if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) break; /* fatal internal error */ if (MHD_get_timeout (d, &mhd_timeout) == MHD_YES) { tv.tv_sec = mhd_timeout / 1000; tv.tv_usec = (mhd_timeout - (tv.tv_sec * 1000)) * 1000; tvp = &tv; } else tvp = NULL; if (-1 == select (max + 1, &rs, &ws, &es, tvp)) { if (EINTR != errno) fprintf (stderr, "Aborting due to error during select: %s\n", strerror (errno)); break; } MHD_run (d); } MHD_stop_daemon (d); return 0; } libmicrohttpd-0.9.33/doc/examples/hellobrowser.c0000644000175000017500000000226012207153262016631 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #define PORT 8888 static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { const char *page = "Hello, browser!"; struct MHD_Response *response; int ret; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/doc/examples/Makefile.am0000644000175000017500000000266312207153262016021 00000000000000SUBDIRS = . if USE_PRIVATE_PLIBC_H PLIBC_INCLUDE = -I$(top_srcdir)/src/include/plibc endif AM_CPPFLAGS = \ $(PLIBC_INCLUDE) \ -I$(top_srcdir)/src/include \ @LIBGCRYPT_CFLAGS@ if USE_COVERAGE AM_CFLAGS = --coverage endif # example programs noinst_PROGRAMS = \ basicauthentication \ hellobrowser \ logging \ responseheaders if ENABLE_HTTPS noinst_PROGRAMS += \ tlsauthentication endif if HAVE_POSTPROCESSOR noinst_PROGRAMS += simplepost largepost sessions endif if HAVE_W32 AM_CFLAGS = -DWINDOWS endif basicauthentication_SOURCES = \ basicauthentication.c basicauthentication_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la hellobrowser_SOURCES = \ hellobrowser.c hellobrowser_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la logging_SOURCES = \ logging.c logging_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la responseheaders_SOURCES = \ responseheaders.c responseheaders_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la sessions_SOURCES = \ sessions.c sessions_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la tlsauthentication_SOURCES = \ tlsauthentication.c tlsauthentication_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la simplepost_SOURCES = \ simplepost.c simplepost_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la largepost_SOURCES = \ largepost.c largepost_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la libmicrohttpd-0.9.33/doc/examples/largepost.c0000644000175000017500000001414612207153262016130 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #define PORT 8888 #define POSTBUFFERSIZE 512 #define MAXCLIENTS 2 #define GET 0 #define POST 1 static unsigned int nr_of_uploading_clients = 0; struct connection_info_struct { int connectiontype; struct MHD_PostProcessor *postprocessor; FILE *fp; const char *answerstring; int answercode; }; const char *askpage = "\n\ Upload a file, please!
    \n\ There are %u clients uploading at the moment.
    \n\ \n\ \n\ \n\ "; const char *busypage = "This server is busy, please try again later."; const char *completepage = "The upload has been completed."; const char *errorpage = "This doesn't seem to be right."; const char *servererrorpage = "An internal server error has occured."; const char *fileexistspage = "This file already exists."; static int send_page (struct MHD_Connection *connection, const char *page, int status_code) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_MUST_COPY); if (!response) return MHD_NO; MHD_add_response_header (response, MHD_HTTP_HEADER_CONTENT_TYPE, "text/html"); ret = MHD_queue_response (connection, status_code, response); MHD_destroy_response (response); return ret; } static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; FILE *fp; con_info->answerstring = servererrorpage; con_info->answercode = MHD_HTTP_INTERNAL_SERVER_ERROR; if (0 != strcmp (key, "file")) return MHD_NO; if (!con_info->fp) { if (NULL != (fp = fopen (filename, "rb"))) { fclose (fp); con_info->answerstring = fileexistspage; con_info->answercode = MHD_HTTP_FORBIDDEN; return MHD_NO; } con_info->fp = fopen (filename, "ab"); if (!con_info->fp) return MHD_NO; } if (size > 0) { if (!fwrite (data, size, sizeof (char), con_info->fp)) return MHD_NO; } con_info->answerstring = completepage; con_info->answercode = MHD_HTTP_OK; return MHD_YES; } static void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { if (NULL != con_info->postprocessor) { MHD_destroy_post_processor (con_info->postprocessor); nr_of_uploading_clients--; } if (con_info->fp) fclose (con_info->fp); } free (con_info); *con_cls = NULL; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; if (nr_of_uploading_clients >= MAXCLIENTS) return send_page (connection, busypage, MHD_HTTP_SERVICE_UNAVAILABLE); con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->fp = NULL; if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void *) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } nr_of_uploading_clients++; con_info->connectiontype = POST; con_info->answercode = MHD_HTTP_OK; con_info->answerstring = completepage; } else con_info->connectiontype = GET; *con_cls = (void *) con_info; return MHD_YES; } if (0 == strcmp (method, "GET")) { char buffer[1024]; snprintf (buffer, sizeof (buffer), askpage, nr_of_uploading_clients); return send_page (connection, buffer, MHD_HTTP_OK); } if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (0 != *upload_data_size) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else { if (NULL != con_info->fp) { fclose (con_info->fp); con_info->fp = NULL; } /* Now it is safe to open and inspect the file before calling send_page with a response */ return send_page (connection, con_info->answerstring, con_info->answercode); } } return send_page (connection, errorpage, MHD_HTTP_BAD_REQUEST); } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/doc/examples/basicauthentication.c0000644000175000017500000000370112207153262020144 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #include #define PORT 8888 static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { char *user; char *pass; int fail; int ret; struct MHD_Response *response; if (0 != strcmp (method, "GET")) return MHD_NO; if (NULL == *con_cls) { *con_cls = connection; return MHD_YES; } pass = NULL; user = MHD_basic_auth_get_username_password (connection, &pass); fail = ( (user == NULL) || (0 != strcmp (user, "root")) || (0 != strcmp (pass, "pa$$w0rd") ) ); if (user != NULL) free (user); if (pass != NULL) free (pass); if (fail) { const char *page = "Go away."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_basic_auth_fail_response (connection, "my realm", response); } else { const char *page = "A secret."; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); } MHD_destroy_response (response); return ret; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/doc/examples/logging.c0000644000175000017500000000230012207153262015543 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #define PORT 8888 static int print_out_key (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) { printf ("%s: %s\n", key, value); return MHD_YES; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { printf ("New %s request for %s using version %s\n", method, url, version); MHD_get_connection_values (connection, MHD_HEADER_KIND, print_out_key, NULL); return MHD_NO; } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/doc/examples/simplepost.c0000644000175000017500000001122112207153262016316 00000000000000/* Feel free to use this example code in any way you see fit (Public Domain) */ #include #ifndef _WIN32 #include #include #else #include #endif #include #include #include #include #define PORT 8888 #define POSTBUFFERSIZE 512 #define MAXNAMESIZE 20 #define MAXANSWERSIZE 512 #define GET 0 #define POST 1 struct connection_info_struct { int connectiontype; char *answerstring; struct MHD_PostProcessor *postprocessor; }; const char *askpage = "\ What's your name, Sir?
    \
    \ \ "; const char *greetingpage = "

    Welcome, %s!

    "; const char *errorpage = "This doesn't seem to be right."; static int send_page (struct MHD_Connection *connection, const char *page) { int ret; struct MHD_Response *response; response = MHD_create_response_from_buffer (strlen (page), (void *) page, MHD_RESPMEM_PERSISTENT); if (!response) return MHD_NO; ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); return ret; } static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) { struct connection_info_struct *con_info = coninfo_cls; if (0 == strcmp (key, "name")) { if ((size > 0) && (size <= MAXNAMESIZE)) { char *answerstring; answerstring = malloc (MAXANSWERSIZE); if (!answerstring) return MHD_NO; snprintf (answerstring, MAXANSWERSIZE, greetingpage, data); con_info->answerstring = answerstring; } else con_info->answerstring = NULL; return MHD_NO; } return MHD_YES; } static void request_completed (void *cls, struct MHD_Connection *connection, void **con_cls, enum MHD_RequestTerminationCode toe) { struct connection_info_struct *con_info = *con_cls; if (NULL == con_info) return; if (con_info->connectiontype == POST) { MHD_destroy_post_processor (con_info->postprocessor); if (con_info->answerstring) free (con_info->answerstring); } free (con_info); *con_cls = NULL; } static int answer_to_connection (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { if (NULL == *con_cls) { struct connection_info_struct *con_info; con_info = malloc (sizeof (struct connection_info_struct)); if (NULL == con_info) return MHD_NO; con_info->answerstring = NULL; if (0 == strcmp (method, "POST")) { con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, iterate_post, (void *) con_info); if (NULL == con_info->postprocessor) { free (con_info); return MHD_NO; } con_info->connectiontype = POST; } else con_info->connectiontype = GET; *con_cls = (void *) con_info; return MHD_YES; } if (0 == strcmp (method, "GET")) { return send_page (connection, askpage); } if (0 == strcmp (method, "POST")) { struct connection_info_struct *con_info = *con_cls; if (*upload_data_size != 0) { MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else if (NULL != con_info->answerstring) return send_page (connection, con_info->answerstring); } return send_page (connection, errorpage); } int main () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, MHD_OPTION_END); if (NULL == daemon) return 1; (void) getchar (); MHD_stop_daemon (daemon); return 0; } libmicrohttpd-0.9.33/doc/Makefile.am0000644000175000017500000000130212252137631014172 00000000000000man_MANS = libmicrohttpd.3 SUBDIRS = . examples doxygen DISTCLEANFILES = \ libmicrohttpd.cps \ libmicrohttpd.dvi \ libmicrohttpd-tutorial.cps \ libmicrohttpd-tutorial.dvi info_TEXINFOS = \ libmicrohttpd.texi \ libmicrohttpd-tutorial.texi microhttpd_TEXINFOS = \ chapters/basicauthentication.inc \ chapters/bibliography.inc \ chapters/exploringrequests.inc \ chapters/hellobrowser.inc \ chapters/introduction.inc \ chapters/largerpost.inc \ chapters/processingpost.inc \ chapters/responseheaders.inc \ chapters/tlsauthentication.inc \ chapters/sessions.inc \ fdl-1.3.texi \ lgpl.texi \ ecos.texi EXTRA_DIST = $(man_MANS) $(microhttpd_TEXINFOS) performance_data.png libmicrohttpd-0.9.33/doc/libmicrohttpd.texi0000644000175000017500000026310312255340712015705 00000000000000\input texinfo @setfilename libmicrohttpd.info @include version.texi @settitle The GNU libmicrohttpd Reference Manual @c Unify all the indices into concept index. @syncodeindex vr cp @syncodeindex ky cp @syncodeindex pg cp @copying This manual is for GNU libmicrohttpd (version @value{VERSION}, @value{UPDATED}), a library for embedding an HTTP(S) server into C applications. Copyright @copyright{} 2007--2013 Christian Grothoff @quotation Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". @end quotation @end copying @dircategory Software libraries @direntry * libmicrohttpd: (libmicrohttpd). Embedded HTTP server library. @end direntry @c @c Titlepage @c @titlepage @title The GNU libmicrohttpd Reference Manual @subtitle Version @value{VERSION} @subtitle @value{UPDATED} @author Marco Maggi (@email{marco.maggi-ipsu@@poste.it}) @author Christian Grothoff (@email{christian@@grothoff.org}) @page @vskip 0pt plus 1filll @insertcopying @end titlepage @summarycontents @contents @c ------------------------------------------------------------ @ifnottex @node Top @top The GNU libmicrohttpd Library @insertcopying @end ifnottex @menu * microhttpd-intro:: Introduction. * microhttpd-const:: Constants. * microhttpd-struct:: Structures type definition. * microhttpd-cb:: Callback functions definition. * microhttpd-init:: Starting and stopping the server. * microhttpd-inspect:: Implementing external @code{select}. * microhttpd-requests:: Handling requests. * microhttpd-responses:: Building responses to requests. * microhttpd-flow:: Flow control. * microhttpd-dauth:: Utilizing Authentication. * microhttpd-post:: Adding a @code{POST} processor. * microhttpd-info:: Obtaining and modifying status information. Appendices * GNU-LGPL:: The GNU Lesser General Public License says how you can copy and share almost all of `libmicrohttpd'. * GNU GPL with eCos Extension:: The GNU General Public License with eCos extension says how you can copy and share some parts of `libmicrohttpd'. * GNU-FDL:: The GNU Free Documentation License says how you can copy and share the documentation of `libmicrohttpd'. Indices * Concept Index:: Index of concepts and programs. * Function and Data Index:: Index of functions, variables and data types. * Type Index:: Index of data types. @end menu @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-intro @chapter Introduction @noindent All symbols defined in the public API start with @code{MHD_}. MHD is a small HTTP daemon library. As such, it does not have any API for logging errors (you can only enable or disable logging to stderr). Also, it may not support all of the HTTP features directly, where applicable, portions of HTTP may have to be handled by clients of the library. The library is supposed to handle everything that it must handle (because the API would not allow clients to do this), such as basic connection management; however, detailed interpretations of headers --- such as range requests --- and HTTP methods are left to clients. The library does understand @code{HEAD} and will only send the headers of the response and not the body, even if the client supplied a body. The library also understands headers that control connection management (specifically, @code{Connection: close} and @code{Expect: 100 continue} are understood and handled automatically). MHD understands @code{POST} data and is able to decode certain formats (at the moment only @code{application/x-www-form-urlencoded} and @code{multipart/form-data}) using the post processor API. The data stream of a POST is also provided directly to the main application, so unsupported encodings could still be processed, just not conveniently by MHD. The header file defines various constants used by the HTTP protocol. This does not mean that MHD actually interprets all of these values. The provided constants are exported as a convenience for users of the library. MHD does not verify that transmitted HTTP headers are part of the standard specification; users of the library are free to define their own extensions of the HTTP standard and use those with MHD. All functions are guaranteed to be completely reentrant and thread-safe. MHD checks for allocation failures and tries to recover gracefully (for example, by closing the connection). Additionally, clients can specify resource limits on the overall number of connections, number of connections per IP address and memory used per connection to avoid resource exhaustion. @section Scope MHD is currently used in a wide range of implementations. Examples based on reports we've received from developers include: @itemize @item Embedded HTTP server on a cortex M3 (128 KB code space) @item Large-scale multimedia server (reportedly serving at the simulator limit of 7.5 GB/s) @item Administrative console (via HTTP/HTTPS) for network appliances @c If you have other interesting examples, please let us know @end itemize @section Thread modes and event loops @cindex poll @cindex epoll @cindex select MHD supports four basic thread modes and up to three event loop styes. The four basic thread modes are external (MHD creates no threads, event loop is fully managed by the application), internal (MHD creates one thread for all connections), thread pool (MHD creates a thread pool which is used to process all connections) and thread-per-connection (MHD creates one listen thread and then one thread per accepted connection). These thread modes are then combined with the event loop styles. MHD support select, poll and epoll. epoll is only available on Linux, poll may not be available on some platforms. Note that it is possible to combine MHD using epoll with an external select-based event loop. The default (if no other option is passed) is ``external select''. The highest performance can typically be obtained with a thread pool using @code{epoll}. Apache Benchmark (ab) was used to compare the performance of @code{select} and @code{epoll} when using a thread pool and a large number of connections. @ref{fig:performance} shows the resulting plot from the @code{benchmark.c} example, which measures the latency between an incoming request and the completion of the transmission of the response. In this setting, the @code{epoll} thread pool with four threads was able to handle more than 45,000 connections per second on loopback (with Apache Benchmark running three processes on the same machine). @cindex performance @float Figure,fig:performance @image{performance_data,400pt,300pt,Data,.png} @caption{Performance measurements for select vs. epoll (with thread-pool).} @end float Not all combinations of thread modes and event loop styles are supported. This is partially to keep the API simple, and partially because some combinations simply make no sense as others are strictly superior. Note that the choice of style depends fist of all on the application logic, and then on the performance requirements. Applications that perform a blocking operation while handling a request within the callbacks from MHD must use a thread per connection. This is typically rather costly. Applications that do not support threads or that must run on embedded devices without thread-support must use the external mode. Using @code{epoll} is only supported on Linux, thus portable applications must at least have a fallback option available. @ref{tbl:supported} lists the sane combinations. @float Table,tbl:supported @multitable {@b{thread-per-connection}} {@b{select}} {@b{poll}} {@b{epoll}} @item @tab @b{select} @tab @b{poll} @tab @b{epoll} @item @b{external} @tab yes @tab no @tab yes @item @b{internal} @tab yes @tab yes @tab yes @item @b{thread pool} @tab yes @tab yes @tab yes @item @b{thread-per-connection} @tab yes @tab yes @tab no @end multitable @caption{Supported combinations of event styles and thread modes.} @end float @section Compiling GNU libmicrohttpd @cindex compilation @cindex embedded systems @cindex portability MHD uses the standard GNU system where the usual build process involves running @verbatim $ ./configure $ make $ make install @end verbatim MHD supports various options to be given to configure to tailor the binary to a specific situation. Note that some of these options will remove portions of the MHD code that are required for binary-compatibility. They should only be used on embedded systems with tight resource constraints and no concerns about library versioning. Standard distributions including MHD are expected to always ship with all features enabled, otherwise unexpected incompatibilities can arise! Here is a list of MHD-specific options that can be given to configure (canonical configure options such as ``--prefix'' are also supported, for a full list of options run ``./configure --help''): @table @code @item ``--disable-curl'' disable running testcases using libcurl @item ``--disable-largefile'' disable support for 64-bit files @item ``--disable-messages'' disable logging of error messages (smaller binary size, not so much fun for debugging) @item ``--disable-https'' disable HTTPS support, even if GNUtls is found; this option must be used if eCOS license is desired as an option (in all cases the resulting binary falls under a GNU LGPL-only license) @item ``--disable-postprocessor'' do not include the post processor API (results in binary incompatibility) @item ``--disable-dauth'' do not include the authentication APIs (results in binary incompatibility) @item ``--disable-epoll do not include epoll support, even on Linux (minimally smaller binary size, good for testing portability to non-Linux systems) @item ``--enable-coverage'' set flags for analysis of code-coverage with gcc/gcov (results in slow, large binaries) @item ``--with-gcrypt=PATH'' specifies path to libgcrypt installation @item ``--with-gnutls=PATH'' specifies path to libgnutls installation @end table @section Including the microhttpd.h header @cindex portability @cindex microhttpd.h Ideally, before including "microhttpd.h" you should add the necessary includes to define the @code{uint64_t}, @code{size_t}, @code{fd_set}, @code{socklen_t} and @code{struct sockaddr} data types. Which specific headers are needed may depend on your platform and your build system might include some tests to provide you with the necessary conditional operations. For possible suggestions consult @code{platform.h} and @code{configure.ac} in the MHD distribution. Once you have ensured that you manually (!) included the right headers for your platform before "microhttpd.h", you should also add a line with @code{#define MHD_PLATFORM_H} which will prevent the "microhttpd.h" header from trying (and, depending on your platform, failing) to include the right headers. If you do not define MHD_PLATFORM_H, the "microhttpd.h" header will automatically include headers needed on GNU/Linux systems (possibly causing problems when porting to other platforms). @section SIGPIPE @cindex signals MHD does not install a signal handler for SIGPIPE. On platforms where this is possible (such as GNU/Linux), it disables SIGPIPE for its I/O operations (by passing MSG_NOSIGNAL). On other platforms, SIGPIPE signals may be generated from network operations by MHD and will cause the process to die unless the developer explicitly installs a signal handler for SIGPIPE. Hence portable code using MHD must install a SIGPIPE handler or explicitly block the SIGPIPE signal. MHD does not do so in order to avoid messing with other parts of the application that may need to handle SIGPIPE in a particular way. You can make your application handle SIGPIPE by calling the following function in @code{main}: @verbatim static void catcher (int sig) { } static void ignore_sigpipe () { struct sigaction oldsig; struct sigaction sig; sig.sa_handler = &catcher; sigemptyset (&sig.sa_mask); #ifdef SA_INTERRUPT sig.sa_flags = SA_INTERRUPT; /* SunOS */ #else sig.sa_flags = SA_RESTART; #endif if (0 != sigaction (SIGPIPE, &sig, &oldsig)) fprintf (stderr, "Failed to install SIGPIPE handler: %s\n", strerror (errno)); } @end verbatim @section MHD_UNSIGNED_LONG_LONG @cindex long long @cindex MHD_LONG_LONG @cindex IAR @cindex ARM @cindex cortex m3 @cindex embedded systems Some platforms do not support @code{long long}. Hence MHD defines a macro @code{MHD_UNSIGNED LONG_LONG} which will default to @code{unsigned long long}. For standard desktop operating systems, this is all you need to know. However, if your platform does not support @code{unsigned long long}, you should change "platform.h" to define @code{MHD_LONG_LONG} and @code{MHD_UNSIGNED_LONG_LONG} to an appropriate alternative type and also define @code{MHD_LONG_LONG_PRINTF} and @code{MHD_UNSIGNED_LONG_LONG_PRINTF} to the corresponding format string for printing such a data type. Note that the ``signed'' versions are deprecated. Also, for historical reasons, @code{MHD_LONG_LONG_PRINTF} is without the percent sign, whereas @code{MHD_UNSIGNED_LONG_LONG_PRINTF} is with the percent sign. Newly written code should only use the unsigned versions. However, you need to define both in "platform.h" if you need to change the definition for the specific platform. @section Portability to W32 On W32, GNUnet requires PlibC, a lightweight library to provide some more POSIX-like calls on W32. While PlibC takes care of most issues, it is unable to make @code{select} (or equivalent alternative socket calls) unblock when a socket is @code{shutdown}. This can be problematic if MHD is used in ``one thread per connection'' mode. In this case, an inactive TCP connection may block @code{MHD_stop_daemon} until the connection times out. You may be able to mitigate the issue by setting a reasonably low timeout, but in general we of course recommend migrating away from Windows. Using MHD with other types of event loops is unaffected by this issue. @section Portability to z/OS To compile MHD on z/OS, extract the archive and run @verbatim iconv -f UTF-8 -t IBM-1047 contrib/ascebc > /tmp/ascebc.sh chmod +x /tmp/ascebc.sh for n in `find * -type f` do /tmp/ascebc.sh $n done @end verbatim to convert all source files to EBCDIC. Note that you must run @code{configure} from the directory where the configure script is located. Otherwise, configure will fail to find the @code{contrib/xcc} script (which is a wrapper around the z/OS c89 compiler). @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-const @chapter Constants @deftp {Enumeration} MHD_FLAG Options for the MHD daemon. Note that if neither @code{MHD_USE_THREAD_PER_CONNECTION} nor @code{MHD_USE_SELECT_INTERNALLY} is used, the client wants control over the process and will call the appropriate microhttpd callbacks. Starting the daemon may also fail if a particular option is not implemented or not supported on the target platform (i.e. no support for @acronym{SSL}, threads or IPv6). SSL support generally depends on options given during MHD compilation. Threaded operations (including @code{MHD_USE_SELECT_INTERNALLY}) are not supported on Symbian. @table @code @item MHD_NO_FLAG No options selected. @item MHD_USE_DEBUG @cindex debugging Run in debug mode. If this flag is used, the library should print error messages and warnings to stderr. Note that for this run-time option to have any effect, MHD needs to be compiled with messages enabled. This is done by default except you ran configure with the @code{--disable-messages} flag set. @item MHD_USE_SSL @cindex TLS @cindex SSL Run in HTTPS-mode. If you specify @code{MHD_USE_SSL} and MHD was compiled without SSL support, @code{MHD_start_daemon} will return NULL. @item MHD_USE_THREAD_PER_CONNECTION Run using one thread per connection. @item MHD_USE_SELECT_INTERNALLY Run using an internal thread doing @code{SELECT}. @item MHD_USE_IPv6 @cindex IPv6 Run using the IPv6 protocol (otherwise, MHD will just support IPv4). If you specify @code{MHD_USE_IPV6} and the local platform does not support it, @code{MHD_start_daemon} will return NULL. If you want MHD to support IPv4 and IPv6 using a single socket, pass MHD_USE_DUAL_STACK, otherwise, if you only pass this option, MHD will try to bind to IPv6-only (resulting in no IPv4 support). @item MHD_USE_DUAL_STACK @cindex IPv6 Use a single socket for IPv4 and IPv6. Note that this will mean that IPv4 addresses are returned by MHD in the IPv6-mapped format (the 'struct sockaddr_in6' format will be used for IPv4 and IPv6). @item MHD_USE_PEDANTIC_CHECKS Be pedantic about the protocol (as opposed to as tolerant as possible). Specifically, at the moment, this flag causes MHD to reject HTTP 1.1 connections without a @code{Host} header. This is required by the standard, but of course in violation of the ``be as liberal as possible in what you accept'' norm. It is recommended to turn this @strong{ON} if you are testing clients against MHD, and @strong{OFF} in production. @item MHD_USE_POLL @cindex FD_SETSIZE @cindex poll @cindex select Use poll instead of select. This allows sockets with descriptors @code{>= FD_SETSIZE}. This option currently only works in conjunction with @code{MHD_USE_THREAD_PER_CONNECTION} or @code{MHD_USE_INTERNAL_SELECT} (at this point). If you specify @code{MHD_USE_POLL} and the local platform does not support it, @code{MHD_start_daemon} will return NULL. @item MHD_USE_EPOLL_LINUX_ONLY @cindex FD_SETSIZE @cindex epoll @cindex select Use epoll instead of poll or select. This allows sockets with descriptors @code{>= FD_SETSIZE}. This option is only available on Linux systems and only works in conjunction with @code{MHD_USE_THREAD_PER_CONNECTION} (at this point). If you specify @code{MHD_USE_EPOLL_LINUX_ONLY} and the local platform does not support it, @code{MHD_start_daemon} will return NULL. Using epoll instead of select or poll can in some situations result in significantly higher performance as the system call has fundamentally lower complexity (O(1) for epoll vs. O(n) for select/poll where n is the number of open connections). @item MHD_SUPPRESS_DATE_NO_CLOCK @cindex date @cindex clock @cindex embedded systems Suppress (automatically) adding the 'Date:' header to HTTP responses. This option should ONLY be used on systems that do not have a clock and that DO provide other mechanisms for cache control. See also RFC 2616, section 14.18 (exception 3). @item MHD_USE_NO_LISTEN_SOCKET @cindex listen @cindex proxy @cindex embedded systems Run the HTTP server without any listen socket. This option only makes sense if @code{MHD_add_connection} is going to be used exclusively to connect HTTP clients to the HTTP server. This option is incompatible with using a thread pool; if it is used, @code{MHD_OPTION_THREAD_POOL_SIZE} is ignored. @item MHD_USE_PIPE_FOR_SHUTDOWN @cindex quiesce Force MHD to use a signal pipe to notify the event loop (of threads) of our shutdown. This is required if an appliction uses @code{MHD_USE_INTERNAL_SELECT} or @code{MHD_USE_THREAD_PER_CONNECTION} and then performs @code{MHD_quiesce_daemon} (which eliminates our ability to signal termination via the listen socket). In these modes, @code{MHD_quiesce_daemon} will fail if this option was not set. Also, use of this option is automatic (as in, you do not even have to specify it), if @code{MHD_USE_NO_LISTEN_SOCKET} is specified. In "external" select mode, this option is always simply ignored. @item MHD_USE_SUSPEND_RESUME Enables using @code{MHD_suspend_connection} and @code{MHD_resume_connection}, as performing these calls requires some additional pipes to be created, and code not using these calls should not pay the cost. @end table @end deftp @deftp {Enumeration} MHD_OPTION MHD options. Passed in the varargs portion of @code{MHD_start_daemon()}. @table @code @item MHD_OPTION_END No more options / last option. This is used to terminate the VARARGs list. @item MHD_OPTION_CONNECTION_MEMORY_LIMIT @cindex memory, limiting memory utilization Maximum memory size per connection (followed by a @code{size_t}). The default is 32 kB (32*1024 bytes) as defined by the internal constant @code{MHD_POOL_SIZE_DEFAULT}. Values above 128k are unlikely to result in much benefit, as half of the memory will be typically used for IO, and TCP buffers are unlikely to support window sizes above 64k on most systems. @item MHD_OPTION_CONNECTION_MEMORY_INCREMENT @cindex memory Increment to use for growing the read buffer (followed by a @code{size_t}). The default is 1024 (bytes). Increasing this value will make MHD use memory for reading more aggressively, which can reduce the number of @code{recvfrom} calls but may increase the number of @code{sendto} calls. The given value must fit within MHD_OPTION_CONNECTION_MEMORY_LIMIT. @item MHD_OPTION_CONNECTION_LIMIT @cindex connection, limiting number of connections Maximum number of concurrent connections to accept (followed by an @code{unsigned int}). The default is @code{FD_SETSIZE - 4} (the maximum number of file descriptors supported by @code{select} minus four for @code{stdin}, @code{stdout}, @code{stderr} and the server socket). In other words, the default is as large as possible. Note that if you set a low connection limit, you can easily get into trouble with browsers doing request pipelining. For example, if your connection limit is ``1'', a browser may open a first connection to access your ``index.html'' file, keep it open but use a second connection to retrieve CSS files, images and the like. In fact, modern browsers are typically by default configured for up to 15 parallel connections to a single server. If this happens, MHD will refuse to even accept the second connection until the first connection is closed --- which does not happen until timeout. As a result, the browser will fail to render the page and seem to hang. If you expect your server to operate close to the connection limit, you should first consider using a lower timeout value and also possibly add a ``Connection: close'' header to your response to ensure that request pipelining is not used and connections are closed immediately after the request has completed: @example MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION, "close"); @end example @item MHD_OPTION_CONNECTION_TIMEOUT @cindex timeout After how many seconds of inactivity should a connection automatically be timed out? (followed by an @code{unsigned int}; use zero for no timeout). The default is zero (no timeout). @item MHD_OPTION_NOTIFY_COMPLETED Register a function that should be called whenever a request has been completed (this can be used for application-specific clean up). Requests that have never been presented to the application (via @code{MHD_AccessHandlerCallback()}) will not result in notifications. This option should be followed by @strong{TWO} pointers. First a pointer to a function of type @code{MHD_RequestCompletedCallback()} and second a pointer to a closure to pass to the request completed callback. The second pointer maybe @code{NULL}. @item MHD_OPTION_PER_IP_CONNECTION_LIMIT Limit on the number of (concurrent) connections made to the server from the same IP address. Can be used to prevent one IP from taking over all of the allowed connections. If the same IP tries to establish more than the specified number of connections, they will be immediately rejected. The option should be followed by an @code{unsigned int}. The default is zero, which means no limit on the number of connections from the same IP address. @item MHD_OPTION_SOCK_ADDR @cindex bind, restricting bind Bind daemon to the supplied socket address. This option should be followed by a @code{struct sockaddr *}. If @code{MHD_USE_IPv6} is specified, the @code{struct sockaddr*} should point to a @code{struct sockaddr_in6}, otherwise to a @code{struct sockaddr_in}. If this option is not specified, the daemon will listen to incoming connections from anywhere. If you use this option, the 'port' argument from @code{MHD_start_daemon} is ignored and the port from the given @code{struct sockaddr *} will be used instead. @item MHD_OPTION_URI_LOG_CALLBACK @cindex debugging @cindex logging @cindex query string Specify a function that should be called before parsing the URI from the client. The specified callback function can be used for processing the URI (including the options) before it is parsed. The URI after parsing will no longer contain the options, which maybe inconvenient for logging. This option should be followed by two arguments, the first one must be of the form @example void * my_logger(void * cls, const char * uri, struct MHD_Connection *con) @end example where the return value will be passed as @code{*con_cls} in calls to the @code{MHD_AccessHandlerCallback} when this request is processed later; returning a value of @code{NULL} has no special significance; (however, note that if you return non-@code{NULL}, you can no longer rely on the first call to the access handler having @code{NULL == *con_cls} on entry) @code{cls} will be set to the second argument following MHD_OPTION_URI_LOG_CALLBACK. Finally, @code{uri} will be the 0-terminated URI of the request. Note that during the time of this call, most of the connection's state is not initialized (as we have not yet parsed he headers). However, information about the connecting client (IP, socket) is available. @item MHD_OPTION_HTTPS_MEM_KEY @cindex SSL @cindex TLS Memory pointer to the private key to be used by the HTTPS daemon. This option should be followed by an "const char*" argument. This should be used in conjunction with 'MHD_OPTION_HTTPS_MEM_CERT'. @item MHD_OPTION_HTTPS_MEM_CERT @cindex SSL @cindex TLS Memory pointer to the certificate to be used by the HTTPS daemon. This option should be followed by an "const char*" argument. This should be used in conjunction with 'MHD_OPTION_HTTPS_MEM_KEY'. @item MHD_OPTION_HTTPS_MEM_TRUST @cindex SSL @cindex TLS Memory pointer to the CA certificate to be used by the HTTPS daemon to authenticate and trust clients certificates. This option should be followed by an "const char*" argument. The presence of this option activates the request of certificate to the client. The request to the client is marked optional, and it is the responsibility of the server to check the presence of the certificate if needed. Note that most browsers will only present a client certificate only if they have one matching the specified CA, not sending any certificate otherwise. @item MHD_OPTION_HTTPS_CRED_TYPE @cindex SSL @cindex TLS Daemon credentials type. Either certificate or anonymous, this option should be followed by one of the values listed in "enum gnutls_credentials_type_t". @item MHD_OPTION_HTTPS_PRIORITIES @cindex SSL @cindex TLS @cindex cipher SSL/TLS protocol version and ciphers. This option must be followed by an "const char *" argument specifying the SSL/TLS protocol versions and ciphers that are acceptable for the application. The string is passed unchanged to gnutls_priority_init. If this option is not specified, ``NORMAL'' is used. @item MHD_OPTION_HTTPS_CERT_CALLBACK @cindex SSL @cindex TLS @cindex SNI Use a callback to determine which X.509 certificate should be used for a given HTTPS connection. This option should be followed by a argument of type "gnutls_certificate_retrieve_function2 *". This option provides an alternative to MHD_OPTION_HTTPS_MEM_KEY and MHD_OPTION_HTTPS_MEM_CERT. You must use this version if multiple domains are to be hosted at the same IP address using TLS's Server Name Indication (SNI) extension. In this case, the callback is expected to select the correct certificate based on the SNI information provided. The callback is expected to access the SNI data using gnutls_server_name_get(). Using this option requires GnuTLS 3.0 or higher. @item MHD_OPTION_DIGEST_AUTH_RANDOM @cindex digest auth @cindex random Digest Authentication nonce's seed. This option should be followed by two arguments. First an integer of type "size_t" which specifies the size of the buffer pointed to by the second argument in bytes. Note that the application must ensure that the buffer of the second argument remains allocated and unmodified while the daemon is running. For security, you SHOULD provide a fresh random nonce when using MHD with Digest Authentication. @item MHD_OPTION_NONCE_NC_SIZE @cindex digest auth @cindex replay attack Size of an array of nonce and nonce counter map. This option must be followed by an "unsigned int" argument that have the size (number of elements) of a map of a nonce and a nonce-counter. If this option is not specified, a default value of 4 will be used (which might be too small for servers handling many requests). If you do not use digest authentication at all, you can specify a value of zero to save some memory. You should calculate the value of NC_SIZE based on the number of connections per second multiplied by your expected session duration plus a factor of about two for hash table collisions. For example, if you expect 100 digest-authenticated connections per second and the average user to stay on your site for 5 minutes, then you likely need a value of about 60000. On the other hand, if you can only expect only 10 digest-authenticated connections per second, tolerate browsers getting a fresh nonce for each request and expect a HTTP request latency of 250 ms, then a value of about 5 should be fine. @item MHD_OPTION_LISTEN_SOCKET @cindex systemd Listen socket to use. Pass a listen socket for MHD to use (systemd-style). If this option is used, MHD will not open its own listen socket(s). The argument passed must be of type "int" and refer to an existing socket that has been bound to a port and is listening. @item MHD_OPTION_EXTERNAL_LOGGER @cindex logging Use the given function for logging error messages. This option must be followed by two arguments; the first must be a pointer to a function of type 'void fun(void * arg, const char * fmt, va_list ap)' and the second a pointer of type 'void*' which will be passed as the "arg" argument to "fun". Note that MHD will not generate any log messages without the MHD_USE_DEBUG flag set and if MHD was compiled with the "--disable-messages" flag. @item MHD_OPTION_THREAD_POOL_SIZE @cindex performance Number (unsigned int) of threads in thread pool. Enable thread pooling by setting this value to to something greater than 1. Currently, thread model must be MHD_USE_SELECT_INTERNALLY if thread pooling is enabled (@code{MHD_start_daemon} returns @code{NULL} for an unsupported thread model). @item MHD_OPTION_ARRAY @cindex options @cindex foreign-function interface This option can be used for initializing MHD using options from an array. A common use for this is writing an FFI for MHD. The actual options given are in an array of 'struct MHD_OptionItem', so this option requires a single argument of type 'struct MHD_OptionItem'. The array must be terminated with an entry @code{MHD_OPTION_END}. An example for code using MHD_OPTION_ARRAY is: @example struct MHD_OptionItem ops[] = @{ @{ MHD_OPTION_CONNECTION_LIMIT, 100, NULL @}, @{ MHD_OPTION_CONNECTION_TIMEOUT, 10, NULL @}, @{ MHD_OPTION_END, 0, NULL @} @}; d = MHD_start_daemon(0, 8080, NULL, NULL, dh, NULL, MHD_OPTION_ARRAY, ops, MHD_OPTION_END); @end example For options that expect a single pointer argument, the second member of the @code{struct MHD_OptionItem} is ignored. For options that expect two pointer arguments, the first argument must be cast to @code{intptr_t}. @item MHD_OPTION_UNESCAPE_CALLBACK @cindex internationalization @cindex escaping Specify a function that should be called for unescaping escape sequences in URIs and URI arguments. Note that this function will NOT be used by the MHD_PostProcessor. If this option is not specified, the default method will be used which decodes escape sequences of the form "%HH". This option should be followed by two arguments, the first one must be of the form @example size_t my_unescaper(void * cls, struct MHD_Connection *c, char *s) @end example where the return value must be @code{strlen(s)} and @code{s} should be updated. Note that the unescape function must not lengthen @code{s} (the result must be shorter than the input and still be 0-terminated). @code{cls} will be set to the second argument following MHD_OPTION_UNESCAPE_CALLBACK. @item MHD_OPTION_THREAD_STACK_SIZE @cindex stack @cindex thread @cindex pthread @cindex embedded systems Maximum stack size for threads created by MHD. This option must be followed by a @code{size_t}). Not specifying this option or using a value of zero means using the system default (which is likely to differ based on your platform). @end table @end deftp @deftp {C Struct} MHD_OptionItem Entry in an MHD_OPTION_ARRAY. See the @code{MHD_OPTION_ARRAY} option argument for its use. The @code{option} member is used to specify which option is specified in the array. The other members specify the respective argument. Note that for options taking only a single pointer, the @code{ptr_value} member should be set. For options taking two pointer arguments, the first pointer must be cast to @code{intptr_t} and both the @code{value} and the @code{ptr_value} members should be used to pass the two pointers. @end deftp @deftp {Enumeration} MHD_ValueKind The @code{MHD_ValueKind} specifies the source of the key-value pairs in the HTTP protocol. @table @code @item MHD_RESPONSE_HEADER_KIND Response header. @item MHD_HEADER_KIND HTTP header. @item MHD_COOKIE_KIND @cindex cookie Cookies. Note that the original HTTP header containing the cookie(s) will still be available and intact. @item MHD_POSTDATA_KIND @cindex POST method @code{POST} data. This is available only if a content encoding supported by MHD is used (currently only @acronym{URL} encoding), and only if the posted content fits within the available memory pool. Note that in that case, the upload data given to the @code{MHD_AccessHandlerCallback()} will be empty (since it has already been processed). @item MHD_GET_ARGUMENT_KIND @code{GET} (URI) arguments. @item MHD_FOOTER_KIND HTTP footer (only for http 1.1 chunked encodings). @end table @end deftp @deftp {Enumeration} MHD_RequestTerminationCode The @code{MHD_RequestTerminationCode} specifies reasons why a request has been terminated (or completed). @table @code @item MHD_REQUEST_TERMINATED_COMPLETED_OK We finished sending the response. @item MHD_REQUEST_TERMINATED_WITH_ERROR Error handling the connection (resources exhausted, other side closed connection, application error accepting request, etc.) @item MHD_REQUEST_TERMINATED_TIMEOUT_REACHED No activity on the connection for the number of seconds specified using @code{MHD_OPTION_CONNECTION_TIMEOUT}. @item MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN We had to close the session since MHD was being shut down. @end table @end deftp @deftp {Enumeration} MHD_ResponseMemoryMode The @code{MHD_ResponeMemoryMode} specifies how MHD should treat the memory buffer given for the response in @code{MHD_create_response_from_buffer}. @table @code @item MHD_RESPMEM_PERSISTENT Buffer is a persistent (static/global) buffer that won't change for at least the lifetime of the response, MHD should just use it, not free it, not copy it, just keep an alias to it. @item MHD_RESPMEM_MUST_FREE Buffer is heap-allocated with @code{malloc} (or equivalent) and should be freed by MHD after processing the response has concluded (response reference counter reaches zero). @item MHD_RESPMEM_MUST_COPY Buffer is in transient memory, but not on the heap (for example, on the stack or non-malloc allocated) and only valid during the call to @code{MHD_create_response_from_buffer}. MHD must make its own private copy of the data for processing. @end table @end deftp @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-struct @chapter Structures type definition @deftp {C Struct} MHD_Daemon Handle for the daemon (listening on a socket for HTTP traffic). @end deftp @deftp {C Struct} MHD_Connection Handle for a connection / HTTP request. With HTTP/1.1, multiple requests can be run over the same connection. However, MHD will only show one request per TCP connection to the client at any given time. @end deftp @deftp {C Struct} MHD_Response Handle for a response. @end deftp @deftp {C Struct} MHD_PostProcessor @cindex POST method Handle for @code{POST} processing. @end deftp @deftp {C Union} MHD_ConnectionInfo Information about a connection. @end deftp @deftp {C Union} MHD_DaemonInfo Information about an MHD daemon. @end deftp @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-cb @chapter Callback functions definition @deftypefn {Function Pointer} int {*MHD_AcceptPolicyCallback} (void *cls, const struct sockaddr * addr, socklen_t addrlen) Invoked in the context of a connection to allow or deny a client to connect. This callback return @code{MHD_YES} if connection is allowed, @code{MHD_NO} if not. @table @var @item cls custom value selected at callback registration time; @item addr address information from the client; @item addrlen length of the address information. @end table @end deftypefn @deftypefn {Function Pointer} int {*MHD_AccessHandlerCallback} (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) Invoked in the context of a connection to answer a request from the client. This callback must call MHD functions (example: the @code{MHD_Response} ones) to provide content to give back to the client and return an HTTP status code (i.e. @code{200} for OK, @code{404}, etc.). @ref{microhttpd-post}, for details on how to code this callback. Must return @code{MHD_YES} if the connection was handled successfully, @code{MHD_NO} if the socket must be closed due to a serious error while handling the request @table @var @item cls custom value selected at callback registration time; @item url the URL requested by the client; @item method the HTTP method used by the client (@code{GET}, @code{PUT}, @code{DELETE}, @code{POST}, etc.); @item version the HTTP version string (i.e. @code{HTTP/1.1}); @item upload_data the data being uploaded (excluding headers): @cindex POST method @cindex PUT method @itemize @item for a @code{POST} that fits into memory and that is encoded with a supported encoding, the @code{POST} data will @strong{NOT} be given in @var{upload_data} and is instead available as part of @code{MHD_get_connection_values()}; @item very large @code{POST} data @strong{will} be made available incrementally in @var{upload_data}; @end itemize @item upload_data_size set initially to the size of the @var{upload_data} provided; this callback must update this value to the number of bytes @strong{NOT} processed; unless external select is used, the callback maybe required to process at least some data. If the callback fails to process data in multi-threaded or internal-select mode and if the read-buffer is already at the maximum size that MHD is willing to use for reading (about half of the maximum amount of memory allowed for the connection), then MHD will abort handling the connection and return an internal server error to the client. In order to avoid this, clients must be able to process upload data incrementally and reduce the value of @code{upload_data_size}. @item con_cls reference to a pointer, initially set to @code{NULL}, that this callback can set to some address and that will be preserved by MHD for future calls for this request; since the access handler may be called many times (i.e., for a @code{PUT}/@code{POST} operation with plenty of upload data) this allows the application to easily associate some request-specific state; if necessary, this state can be cleaned up in the global @code{MHD_RequestCompletedCallback} (which can be set with the @code{MHD_OPTION_NOTIFY_COMPLETED}). @end table @end deftypefn @deftypefn {Function Pointer} void {*MHD_RequestCompletedCallback} (void *cls, struct MHD_Connectionconnection, void **con_cls, enum MHD_RequestTerminationCode toe) Signature of the callback used by MHD to notify the application about completed requests. @table @var @item cls custom value selected at callback registration time; @item connection connection handle; @item con_cls value as set by the last call to the @code{MHD_AccessHandlerCallback}; @item toe reason for request termination see @code{MHD_OPTION_NOTIFY_COMPLETED}. @end table @end deftypefn @deftypefn {Function Pointer} int {*MHD_KeyValueIterator} (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) Iterator over key-value pairs. This iterator can be used to iterate over all of the cookies, headers, or @code{POST}-data fields of a request, and also to iterate over the headers that have been added to a response. Return @code{MHD_YES} to continue iterating, @code{MHD_NO} to abort the iteration. @end deftypefn @deftypefn {Function Pointer} int {*MHD_ContentReaderCallback} (void *cls, uint64_t pos, char *buf, size_t max) Callback used by MHD in order to obtain content. The callback has to copy at most @var{max} bytes of content into @var{buf}. The total number of bytes that has been placed into @var{buf} should be returned. Note that returning zero will cause MHD to try again. Thus, returning zero should only be used in conjunction with @code{MHD_suspend_connection()} to avoid busy waiting. While usually the callback simply returns the number of bytes written into @var{buf}, there are two special return value: @code{MHD_CONTENT_READER_END_OF_STREAM} (-1) should be returned for the regular end of transmission (with chunked encoding, MHD will then terminate the chunk and send any HTTP footers that might be present; without chunked encoding and given an unknown response size, MHD will simply close the connection; note that while returning @code{MHD_CONTENT_READER_END_OF_STREAM} is not technically legal if a response size was specified, MHD accepts this and treats it just as @code{MHD_CONTENT_READER_END_WITH_ERROR}. @code{MHD_CONTENT_READER_END_WITH_ERROR} (-2) is used to indicate a server error generating the response; this will cause MHD to simply close the connection immediately. If a response size was given or if chunked encoding is in use, this will indicate an error to the client. Note, however, that if the client does not know a response size and chunked encoding is not in use, then clients will not be able to tell the difference between @code{MHD_CONTENT_READER_END_WITH_ERROR} and @code{MHD_CONTENT_READER_END_OF_STREAM}. This is not a limitation of MHD but rather of the HTTP protocol. @table @var @item cls custom value selected at callback registration time; @item pos position in the datastream to access; note that if an @code{MHD_Response} object is re-used, it is possible for the same content reader to be queried multiple times for the same data; however, if an @code{MHD_Response} is not re-used, MHD guarantees that @var{pos} will be the sum of all non-negative return values obtained from the content reader so far. @end table Return @code{-1} on error (MHD will no longer try to read content and instead close the connection with the client). @end deftypefn @deftypefn {Function Pointer} void {*MHD_ContentReaderFreeCallback} (void *cls) This method is called by MHD if we are done with a content reader. It should be used to free resources associated with the content reader. @end deftypefn @deftypefn {Function Pointer} int {*MHD_PostDataIterator} (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) Iterator over key-value pairs where the value maybe made available in increments and/or may not be zero-terminated. Used for processing @code{POST} data. @table @var @item cls custom value selected at callback registration time; @item kind type of the value; @item key zero-terminated key for the value; @item filename name of the uploaded file, @code{NULL} if not known; @item content_type mime-type of the data, @code{NULL} if not known; @item transfer_encoding encoding of the data, @code{NULL} if not known; @item data pointer to size bytes of data at the specified offset; @item off offset of data in the overall value; @item size number of bytes in data available. @end table Return @code{MHD_YES} to continue iterating, @code{MHD_NO} to abort the iteration. @end deftypefn @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-init @chapter Starting and stopping the server @deftypefun {void} MHD_set_panic_func (MHD_PanicCallback cb, void *cls) Set a handler for fatal errors. @table @var @item cb function to call if MHD encounters a fatal internal error. If no handler was set explicitly, MHD will call @code{abort}. @item cls closure argument for cb; the other arguments are the name of the source file, line number and a string describing the nature of the fatal error (which can be @code{NULL}) @end table @end deftypefun @deftypefun {struct MHD_Daemon *} MHD_start_daemon (unsigned int flags, unsigned short port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, ...) Start a webserver on the given port. @table @var @item flags OR-ed combination of @code{MHD_FLAG} values; @item port port to bind to; @item apc callback to call to check which clients will be allowed to connect; you can pass @code{NULL} in which case connections from any @acronym{IP} will be accepted; @item apc_cls extra argument to @var{apc}; @item dh default handler for all URIs; @item dh_cls extra argument to @var{dh}. @end table Additional arguments are a list of options (type-value pairs, terminated with @code{MHD_OPTION_END}). It is mandatory to use @code{MHD_OPTION_END} as last argument, even when there are no additional arguments. Return @code{NULL} on error, handle to daemon on success. @end deftypefun @deftypefun int MHD_quiesce_daemon (struct MHD_Daemon *daemon) @cindex quiesce Stop accepting connections from the listening socket. Allows clients to continue processing, but stops accepting new connections. Note that the caller is responsible for closing the returned socket; however, if MHD is run using threads (anything but external select mode), it must not be closed until AFTER @code{MHD_stop_daemon} has been called (as it is theoretically possible that an existing thread is still using it). This function is useful in the special case that a listen socket is to be migrated to another process (i.e. a newer version of the HTTP server) while existing connections should continue to be processed until they are finished. Return @code{-1} on error (daemon not listening), the handle to the listen socket otherwise. @end deftypefun @deftypefun void MHD_stop_daemon (struct MHD_Daemon *daemon) Shutdown an HTTP daemon. @end deftypefun @deftypefun int MHD_run (struct MHD_Daemon *daemon) Run webserver operations (without blocking unless in client callbacks). This method should be called by clients in combination with @code{MHD_get_fdset()} if the client-controlled @code{select}-method is used. @cindex select @cindex poll This function will work for external @code{poll} and @code{select} mode. However, if using external @code{select} mode, you may want to instead use @code{MHD_run_from_select}, as it is more efficient. @table @var @item daemon daemon to process connections of @end table Return @code{MHD_YES} on success, @code{MHD_NO} if this daemon was not started with the right options for this call. @end deftypefun @deftypefun int MHD_run_from_select (struct MHD_Daemon *daemon, const fd_set *read_fd_set, const fd_set *write_fd_set, const fd_set *except_fd_set) Run webserver operations given sets of ready socket handles. @cindex select This method should be called by clients in combination with @code{MHD_get_fdset} if the client-controlled (external) select method is used. You can use this function instead of @code{MHD_run} if you called @code{select} on the result from @code{MHD_get_fdset}. File descriptors in the sets that are not controlled by MHD will be ignored. Calling this function instead of @code{MHD_run} is more efficient as MHD will not have to call @code{select} again to determine which operations are ready. @table @var @item daemon daemon to process connections of @item read_fd_set set of descriptors that must be ready for reading without blocking @item write_fd_set set of descriptors that must be ready for writing without blocking @item except_fd_set ignored, can be NULL @end table Return @code{MHD_YES} on success, @code{MHD_NO} on serious internal errors. @end deftypefun @deftypefun void MHD_add_connection (struct MHD_Daemon *daemon, int client_socket, const struct sockaddr *addr, socklen_t addrlen) Add another client connection to the set of connections managed by MHD. This API is usually not needed (since MHD will accept inbound connections on the server socket). Use this API in special cases, for example if your HTTP server is behind NAT and needs to connect out to the HTTP client, or if you are building a proxy. If you use this API in conjunction with a internal select or a thread pool, you must set the option @code{MHD_USE_PIPE_FOR_SHUTDOWN} to ensure that the freshly added connection is immediately processed by MHD. The given client socket will be managed (and closed!) by MHD after this call and must no longer be used directly by the application afterwards. @table @var @item daemon daemon that manages the connection @item client_socket socket to manage (MHD will expect to receive an HTTP request from this socket next). @item addr IP address of the client @item addrlen number of bytes in addr @end table This function will return @code{MHD_YES} on success, @code{MHD_NO} if this daemon could not handle the connection (i.e. malloc failed, etc). The socket will be closed in any case; 'errno' is set to indicate further details about the error. @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ----------------------------------------------------------- @node microhttpd-inspect @chapter Implementing external @code{select} @deftypefun int MHD_get_fdset (struct MHD_Daemon *daemon, fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, int *max_fd) Obtain the @code{select()} sets for this daemon. The daemon's socket is added to @var{read_fd_set}. The list of currently existent connections is scanned and their file descriptors added to the correct set. After the call completed successfully: the variable referenced by @var{max_fd} references the file descriptor with highest integer identifier. The variable must be set to zero before invoking this function. Return @code{MHD_YES} on success, @code{MHD_NO} if: the arguments are invalid (example: @code{NULL} pointers); this daemon was not started with the right options for this call. @end deftypefun @deftypefun int MHD_get_timeout (struct MHD_Daemon *daemon, unsigned long long *timeout) @cindex timeout Obtain timeout value for select for this daemon (only needed if connection timeout is used). The returned value is how long @code{select} should at most block, not the timeout value set for connections. This function must not be called if the @code{MHD_USE_THREAD_PER_CONNECTION} mode is in use (since then it is not meaningful to ask for a timeout, after all, there is concurrenct activity). The function must also not be called by user-code if @code{MHD_USE_INTERNAL_SELECT} is in use. In the latter case, the behavior is undefined. @table @var @item daemon which daemon to obtain the timeout from. @item timeout will be set to the timeout (in milliseconds). @end table Return @code{MHD_YES} on success, @code{MHD_NO} if timeouts are not used (or no connections exist that would necessiate the use of a timeout right now). @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ----------------------------------------------------------- @node microhttpd-requests @chapter Handling requests @deftypefun int MHD_get_connection_values (struct MHD_Connection *connection, enum MHD_ValueKind kind, MHD_KeyValueIterator iterator, void *iterator_cls) Get all the headers matching @var{kind} from the request. The @var{iterator} callback is invoked once for each header, with @var{iterator_cls} as first argument. After version 0.9.19, the headers are iterated in the same order as they were received from the network; previous versions iterated over the headers in reverse order. @code{MHD_get_connection_values} returns the number of entries iterated over; this can be less than the number of headers if, while iterating, @var{iterator} returns @code{MHD_NO}. @var{iterator} can be @code{NULL}: in this case this function just counts and returns the number of headers. In the case of @code{MHD_GET_ARGUMENT_KIND}, the @var{value} argument will be @code{NULL} if the URL contained a key without an equals operator. For example, for a HTTP request to the URL ``http://foo/bar?key'', the @var{value} argument is @code{NULL}; in contrast, a HTTP request to the URL ``http://foo/bar?key='', the @var{value} argument is the empty string. The normal case is that the URL contains ``http://foo/bar?key=value'' in which case @var{value} would be the string ``value'' and @var{key} would contain the string ``key''. @end deftypefun @deftypefun int MHD_set_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char * key, const char * value) This function can be used to append an entry to the list of HTTP headers of a connection (so that the @code{MHD_get_connection_values function} will return them -- and the MHD PostProcessor will also see them). This maybe required in certain situations (see Mantis #1399) where (broken) HTTP implementations fail to supply values needed by the post processor (or other parts of the application). This function MUST only be called from within the MHD_AccessHandlerCallback (otherwise, access maybe improperly synchronized). Furthermore, the client must guarantee that the key and value arguments are 0-terminated strings that are NOT freed until the connection is closed. (The easiest way to do this is by passing only arguments to permanently allocated strings.). @var{connection} is the connection for which the entry for @var{key} of the given @var{kind} should be set to the given @var{value}. The function returns @code{MHD_NO} if the operation could not be performed due to insufficient memory and @code{MHD_YES} on success. @end deftypefun @deftypefun {const char *} MHD_lookup_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key) Get a particular header value. If multiple values match the @var{kind}, return one of them (the ``first'', whatever that means). @var{key} must reference a zero-terminated ASCII-coded string representing the header to look for: it is compared against the headers using @code{strcasecmp()}, so case is ignored. A value of @code{NULL} for @var{key} can be used to lookup 'trailing' values without a key, for example if a URI is of the form ``http://example.com/?trailer'', a @var{key} of @code{NULL} can be used to access ``tailer" The function returns @code{NULL} if no matching item was found. @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-responses @chapter Building responses to requests @noindent Response objects handling by MHD is asynchronous with respect to the application execution flow. Instances of the @code{MHD_Response} structure are not associated to a daemon and neither to a client connection: they are managed with reference counting. In the simplest case: we allocate a new @code{MHD_Response} structure for each response, we use it once and finally we destroy it. MHD allows more efficient resources usages. Example: we allocate a new @code{MHD_Response} structure for each response @strong{kind}, we use it every time we have to give that response and we finally destroy it only when the daemon shuts down. @menu * microhttpd-response enqueue:: Enqueuing a response. * microhttpd-response create:: Creating a response object. * microhttpd-response headers:: Adding headers to a response. * microhttpd-response inspect:: Inspecting a response object. @end menu @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-response enqueue @section Enqueuing a response @deftypefun int MHD_queue_response (struct MHD_Connection *connection, unsigned int status_code, struct MHD_Response *response) Queue a response to be transmitted to the client as soon as possible but only after MHD_AccessHandlerCallback returns. This function checks that it is legal to queue a response at this time for the given connection. It also increments the internal reference counter for the response object (the counter will be decremented automatically once the response has been transmitted). @table @var @item connection the connection identifying the client; @item status_code HTTP status code (i.e. @code{200} for OK); @item response response to transmit. @end table Return @code{MHD_YES} on success or if message has been queued. Return @code{MHD_NO}: if arguments are invalid (example: @code{NULL} pointer); on error (i.e. reply already sent). @end deftypefun @deftypefun void MHD_destroy_response (struct MHD_Response *response) Destroy a response object and associated resources (decrement the reference counter). Note that MHD may keep some of the resources around if the response is still in the queue for some clients, so the memory may not necessarily be freed immediately. @end deftypefun An explanation of reference counting@footnote{Note to readers acquainted to the Tcl API: reference counting on @code{MHD_Connection} structures is handled in the same way as Tcl handles @code{Tcl_Obj} structures through @code{Tcl_IncrRefCount()} and @code{Tcl_DecrRefCount()}.}: @enumerate @item a @code{MHD_Response} object is allocated: @example struct MHD_Response * response = MHD_create_response_from_buffer(...); /* here: reference counter = 1 */ @end example @item the @code{MHD_Response} object is enqueued in a @code{MHD_Connection}: @example MHD_queue_response(connection, , response); /* here: reference counter = 2 */ @end example @item the creator of the response object discharges responsibility for it: @example MHD_destroy_response(response); /* here: reference counter = 1 */ @end example @item the daemon handles the connection sending the response's data to the client then decrements the reference counter by calling @code{MHD_destroy_response()}: the counter's value drops to zero and the @code{MHD_Response} object is released. @end enumerate @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-response create @section Creating a response object @deftypefun {struct MHD_Response *} MHD_create_response_from_callback (uint64_t size, size_t block_size, MHD_ContentReaderCallback crc, void *crc_cls, MHD_ContentReaderFreeCallback crfc) Create a response object. The response object can be extended with header information and then it can be used any number of times. @table @var @item size size of the data portion of the response, @code{-1} for unknown; @item block_size preferred block size for querying @var{crc} (advisory only, MHD may still call @var{crc} using smaller chunks); this is essentially the buffer size used for @acronym{IO}, clients should pick a value that is appropriate for @acronym{IO} and memory performance requirements; @item crc callback to use to obtain response data; @item crc_cls extra argument to @var{crc}; @item crfc callback to call to free @var{crc_cls} resources. @end table Return @code{NULL} on error (i.e. invalid arguments, out of memory). @end deftypefun @deftypefun {struct MHD_Response *} MHD_create_response_from_fd (uint64_t size, int fd) Create a response object. The response object can be extended with header information and then it can be used any number of times. @table @var @item size size of the data portion of the response (should be smaller or equal to the size of the file) @item fd file descriptor referring to a file on disk with the data; will be closed when response is destroyed; note that 'fd' must be an actual file descriptor (not a pipe or socket) since MHD might use 'sendfile' or 'seek' on it. The descriptor should be in blocking-IO mode. @end table Return @code{NULL} on error (i.e. invalid arguments, out of memory). @end deftypefun @deftypefun {struct MHD_Response *} MHD_create_response_from_fd_at_offset (uint64_t size, int fd, off_t offset) Create a response object. The response object can be extended with header information and then it can be used any number of times. Note that you need to be a bit careful about @code{off_t} when writing this code. Depending on your platform, MHD is likely to have been compiled with support for 64-bit files. When you compile your own application, you must make sure that @code{off_t} is also a 64-bit value. If not, your compiler may pass a 32-bit value as @code{off_t}, which will result in 32-bits of garbage. If you use the autotools, use the @code{AC_SYS_LARGEFILE} autoconf macro and make sure to include the generated @file{config.h} file before @file{microhttpd.h} to avoid problems. If you do not have a build system and only want to run on a GNU/Linux system, you could also use @verbatim #define _FILE_OFFSET_BITS 64 #include #include #include #include @end verbatim to ensure 64-bit @code{off_t}. Note that if your operating system does not support 64-bit files, MHD will be compiled with a 32-bit @code{off_t} (in which case the above would be wrong). @table @var @item size size of the data portion of the response (number of bytes to transmit from the file starting at offset). @item fd file descriptor referring to a file on disk with the data; will be closed when response is destroyed; note that 'fd' must be an actual file descriptor (not a pipe or socket) since MHD might use 'sendfile' or 'seek' on it. The descriptor should be in blocking-IO mode. @item offset offset to start reading from in the file @end table Return @code{NULL} on error (i.e. invalid arguments, out of memory). @end deftypefun @deftypefun {struct MHD_Response *} MHD_create_response_from_buffer (size_t size, void *data, enum MHD_ResponseMemoryMode mode) Create a response object. The response object can be extended with header information and then it can be used any number of times. @table @var @item size size of the data portion of the response; @item buffer the data itself; @item mode memory management options for buffer; use MHD_RESPMEM_PERSISTENT if the buffer is static/global memory, use MHD_RESPMEM_MUST_FREE if the buffer is heap-allocated and should be freed by MHD and MHD_RESPMEM_MUST_COPY if the buffer is in transient memory (i.e. on the stack) and must be copied by MHD; @end table Return @code{NULL} on error (i.e. invalid arguments, out of memory). @end deftypefun @deftypefun {struct MHD_Response *} MHD_create_response_from_data (size_t size, void *data, int must_free, int must_copy) Create a response object. The response object can be extended with header information and then it can be used any number of times. This function is deprecated, use @code{MHD_create_response_from_buffer} instead. @table @var @item size size of the data portion of the response; @item data the data itself; @item must_free if true: MHD should free data when done; @item must_copy if true: MHD allocates a block of memory and use it to make a copy of @var{data} embedded in the returned @code{MHD_Response} structure; handling of the embedded memory is responsibility of MHD; @var{data} can be released anytime after this call returns. @end table Return @code{NULL} on error (i.e. invalid arguments, out of memory). @end deftypefun Example: create a response from a statically allocated string: @example const char * data = "

    Error!

    "; struct MHD_Connection * connection = ...; struct MHD_Response * response; response = MHD_create_response_from_buffer (strlen(data), data, MHD_RESPMEM_PERSISTENT); MHD_queue_response(connection, 404, response); MHD_destroy_response(response); @end example @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-response headers @section Adding headers to a response @deftypefun int MHD_add_response_header (struct MHD_Response *response, const char *header, const char *content) Add a header line to the response. The strings referenced by @var{header} and @var{content} must be zero-terminated and they are duplicated into memory blocks embedded in @var{response}. Notice that the strings must not hold newlines, carriage returns or tab chars. Return @code{MHD_NO} on error (i.e. invalid header or content format or memory allocation error). @end deftypefun @deftypefun int MHD_add_response_footer (struct MHD_Response *response, const char *footer, const char *content) Add a footer line to the response. The strings referenced by @var{footer} and @var{content} must be zero-terminated and they are duplicated into memory blocks embedded in @var{response}. Notice that the strings must not hold newlines, carriage returns or tab chars. You can add response footers at any time before signalling the end of the response to MHD (not just before calling 'MHD_queue_response'). Footers are useful for adding cryptographic checksums to the reply or to signal errors encountered during data generation. This call was introduced in MHD 0.9.3. Return @code{MHD_NO} on error (i.e. invalid header or content format or memory allocation error). @end deftypefun @deftypefun int MHD_del_response_header (struct MHD_Response *response, const char *header, const char *content) Delete a header (or footer) line from the response. Return @code{MHD_NO} on error (arguments are invalid or no such header known). @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-response inspect @section Inspecting a response object @deftypefun int MHD_get_response_headers (struct MHD_Response *response, MHD_KeyValueIterator iterator, void *iterator_cls) Get all of the headers added to a response. Invoke the @var{iterator} callback for each header in the response, using @var{iterator_cls} as first argument. Return number of entries iterated over. @var{iterator} can be @code{NULL}: in this case the function just counts headers. @var{iterator} should not modify the its key and value arguments, unless we know what we are doing. @end deftypefun @deftypefun {const char *} MHD_get_response_header (struct MHD_Response *response, const char *key) Find and return a pointer to the value of a particular header from the response. @var{key} must reference a zero-terminated string representing the header to look for. The search is case sensitive. Return @code{NULL} if header does not exist or @var{key} is @code{NULL}. We should not modify the value, unless we know what we are doing. @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-flow @chapter Flow control. @noindent Sometimes it may be possible that clients upload data faster than an application can process it, or that an application needs an extended period of time to generate a response. If @code{MHD_USE_THREAD_PER_CONNECTION} is used, applications can simply deal with this by performing their logic within the thread and thus effectively blocking connection processing by MHD. In all other modes, blocking logic must not be placed within the callbacks invoked by MHD as this would also block processing of other requests, as a single thread may be responsible for tens of thousands of connections. Instead, applications using thread modes other than @code{MHD_USE_THREAD_PER_CONNECTION} should use the following functions to perform flow control. @deftypefun int MHD_suspend_connection (struct MHD_Connection *connection) Suspend handling of network data for a given connection. This can be used to dequeue a connection from MHD's event loop (external select, internal select or thread pool; not applicable to thread-per-connection!) for a while. If you use this API in conjunction with a internal select or a thread pool, you must set the option @code{MHD_USE_SUSPEND_RESUME} to ensure that a resumed connection is immediately processed by MHD. Suspended connections continue to count against the total number of connections allowed (per daemon, as well as per IP, if such limits are set). Suspended connections will NOT time out; timeouts will restart when the connection handling is resumed. While a connection is suspended, MHD will not detect disconnects by the client. The only safe time to suspend a connection is from the @code{MHD_AccessHandlerCallback}. Finally, it is an API violation to call @code{MHD_stop_daemon} while having suspended connections (this will at least create memory and socket leaks or lead to undefined behavior). You must explicitly resume all connections before stopping the daemon. @table @var @item connection the connection to suspend @end table @end deftypefun @deftypefun int MHD_resume_connection (struct MHD_Connection *connection) Resume handling of network data for suspended connection. It is safe to resume a suspended connection at any time. Calling this function on a connection that was not previously suspended will result in undefined behavior. @table @var @item connection the connection to resume @end table @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-dauth @chapter Utilizing Authentication @noindent MHD support three types of client authentication. Basic authentication uses a simple authentication method based on BASE64 algorithm. Username and password are exchanged in clear between the client and the server, so this method must only be used for non-sensitive content or when the session is protected with https. When using basic authentication MHD will have access to the clear password, possibly allowing to create a chained authentication toward an external authentication server. Digest authentication uses a one-way authentication method based on MD5 hash algorithm. Only the hash will transit over the network, hence protecting the user password. The nonce will prevent replay attacks. This method is appropriate for general use, especially when https is not used to encrypt the session. Client certificate authentication uses a X.509 certificate from the client. This is the strongest authentication mechanism but it requires the use of HTTPS. Client certificate authentication can be used simultaneously with Basic or Digest Authentication in order to provide a two levels authentication (like for instance separate machine and user authentication). A code example for using client certificates is presented in the MHD tutorial. @menu * microhttpd-dauth basic:: Using Basic Authentication. * microhttpd-dauth digest:: Using Digest Authentication. @end menu @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-dauth basic @section Using Basic Authentication @deftypefun {char *} MHD_basic_auth_get_username_password (struct MHD_Connection *connection, char** password) Get the username and password from the basic authorization header sent by the client. Return @code{NULL} if no username could be found, a pointer to the username if found. If returned value is not @code{NULL}, the value must be @code{free()}'ed. @var{password} reference a buffer to store the password. It can be @code{NULL}. If returned value is not @code{NULL}, the value must be @code{free()}'ed. @end deftypefun @deftypefun {int} MHD_queue_basic_auth_fail_response (struct MHD_Connection *connection, const char *realm, struct MHD_Response *response) Queues a response to request basic authentication from the client. Return @code{MHD_YES} if successful, otherwise @code{MHD_NO}. @var{realm} must reference to a zero-terminated string representing the realm. @var{response} a response structure to specify what shall be presented to the client with a 401 HTTP status. @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-dauth digest @section Using Digest Authentication @deftypefun {char *} MHD_digest_auth_get_username (struct MHD_Connection *connection) Find and return a pointer to the username value from the request header. Return @code{NULL} if the value is not found or header does not exist. If returned value is not @code{NULL}, the value must be @code{free()}'ed. @end deftypefun @deftypefun int MHD_digest_auth_check (struct MHD_Connection *connection, const char *realm, const char *username, const char *password, unsigned int nonce_timeout) Checks if the provided values in the WWW-Authenticate header are valid and sound according to RFC2716. If valid return @code{MHD_YES}, otherwise return @code{MHD_NO}. @var{realm} must reference to a zero-terminated string representing the realm. @var{username} must reference to a zero-terminated string representing the username, it is usually the returned value from MHD_digest_auth_get_username. @var{password} must reference to a zero-terminated string representing the password, most probably it will be the result of a lookup of the username against a local database. @var{nonce_timeout} is the amount of time in seconds for a nonce to be invalid. Most of the time it is sound to specify 300 seconds as its values. @end deftypefun @deftypefun int MHD_queue_auth_fail_response (struct MHD_Connection *connection, const char *realm, const char *opaque, struct MHD_Response *response, int signal_stale) Queues a response to request authentication from the client, return @code{MHD_YES} if successful, otherwise @code{MHD_NO}. @var{realm} must reference to a zero-terminated string representing the realm. @var{opaque} must reference to a zero-terminated string representing a value that gets passed to the client and expected to be passed again to the server as-is. This value can be a hexadecimal or base64 string. @var{response} a response structure to specify what shall be presented to the client with a 401 HTTP status. @var{signal_stale} a value that signals "stale=true" in the response header to indicate the invalidity of the nonce and no need to ask for authentication parameters and only a new nonce gets generated. @code{MHD_YES} to generate a new nonce, @code{MHD_NO} to ask for authentication parameters. @end deftypefun Example: handling digest authentication requests and responses. @example #define PAGE "libmicrohttpd demoAccess granted" #define DENIED "libmicrohttpd demoAccess denied" #define OPAQUE "11733b200778ce33060f31c9af70a870ba96ddd4" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) @{ struct MHD_Response *response; char *username; const char *password = "testpass"; const char *realm = "test@@example.com"; int ret; username = MHD_digest_auth_get_username(connection); if (username == NULL) @{ response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response, MHD_NO); MHD_destroy_response(response); return ret; @} ret = MHD_digest_auth_check(connection, realm, username, password, 300); free(username); if ( (ret == MHD_INVALID_NONCE) || (ret == MHD_NO) ) @{ response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO); MHD_destroy_response(response); return ret; @} response = MHD_create_response_from_buffer (strlen(PAGE), PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, MHD_HTTP_OK, response); MHD_destroy_response(response); return ret; @} @end example @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-post @chapter Adding a @code{POST} processor @cindex POST method @menu * microhttpd-post api:: Programming interface for the @code{POST} processor. @end menu @noindent MHD provides the post processor API to make it easier for applications to parse the data of a client's @code{POST} request: the @code{MHD_AccessHandlerCallback} will be invoked multiple times to process data as it arrives; at each invocation a new chunk of data must be processed. The arguments @var{upload_data} and @var{upload_data_size} are used to reference the chunk of data. When @code{MHD_AccessHandlerCallback} is invoked for a new connection: its @code{*@var{con_cls}} argument is set to @code{NULL}. When @code{POST} data comes in the upload buffer it is @strong{mandatory} to use the @var{con_cls} to store a reference to per-connection data. The fact that the pointer was initially @code{NULL} can be used to detect that this is a new request. One method to detect that a new connection was established is to set @code{*con_cls} to an unused integer: @example int access_handler (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) @{ static int old_connection_marker; int new_connection = (NULL == *con_cls); if (new_connection) @{ /* new connection with POST */ *con_cls = &old_connection_marker; @} ... @} @end example @noindent In contrast to the previous example, for @code{POST} requests in particular, it is more common to use the value of @code{*con_cls} to keep track of actual state used during processing, such as the post processor (or a struct containing a post processor): @example int access_handler (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) @{ struct MHD_PostProcessor * pp = *con_cls; if (pp == NULL) @{ pp = MHD_create_post_processor(connection, ...); *con_cls = pp; return MHD_YES; @} if (*upload_data_size) @{ MHD_post_process(pp, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; @} else @{ MHD_destroy_post_processor(pp); return MHD_queue_response(...); @} @} @end example Note that the callback from @code{MHD_OPTION_NOTIFY_COMPLETED} should be used to destroy the post processor. This cannot be done inside of the access handler since the connection may not always terminate normally. @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-post api @section Programming interface for the @code{POST} processor @cindex POST method @deftypefun {struct MHD_PostProcessor *} MHD_create_post_processor (struct MHD_Connection *connection, size_t buffer_size, MHD_PostDataIterator iterator, void *iterator_cls) Create a PostProcessor. A PostProcessor can be used to (incrementally) parse the data portion of a @code{POST} request. @table @var @item connection the connection on which the @code{POST} is happening (used to determine the @code{POST} format); @item buffer_size maximum number of bytes to use for internal buffering (used only for the parsing, specifically the parsing of the keys). A tiny value (256-1024) should be sufficient; do @strong{NOT} use a value smaller than 256; for good performance, use 32k or 64k (i.e. 65536). @item iterator iterator to be called with the parsed data; must @strong{NOT} be @code{NULL}; @item iterator_cls custom value to be used as first argument to @var{iterator}. @end table Return @code{NULL} on error (out of memory, unsupported encoding), otherwise a PP handle. @end deftypefun @deftypefun int MHD_post_process (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len) Parse and process @code{POST} data. Call this function when @code{POST} data is available (usually during an @code{MHD_AccessHandlerCallback}) with the @var{upload_data} and @var{upload_data_size}. Whenever possible, this will then cause calls to the @code{MHD_IncrementalKeyValueIterator}. @table @var @item pp the post processor; @item post_data @var{post_data_len} bytes of @code{POST} data; @item post_data_len length of @var{post_data}. @end table Return @code{MHD_YES} on success, @code{MHD_NO} on error (out-of-memory, iterator aborted, parse error). @end deftypefun @deftypefun int MHD_destroy_post_processor (struct MHD_PostProcessor *pp) Release PostProcessor resources. After this function is being called, the PostProcessor is guaranteed to no longer call its iterator. There is no special call to the iterator to indicate the end of the post processing stream. After destroying the PostProcessor, the programmer should perform any necessary work to complete the processing of the iterator. Return @code{MHD_YES} if processing completed nicely, @code{MHD_NO} if there were spurious characters or formatting problems with the post request. It is common to ignore the return value of this function. @end deftypefun @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ------------------------------------------------------------ @node microhttpd-info @chapter Obtaining and modifying status information. @menu * microhttpd-info daemon:: State information about an MHD daemon * microhttpd-info conn:: State information about a connection * microhttpd-option conn:: Modify per-connection options @end menu @c ------------------------------------------------------------ @node microhttpd-info daemon @section Obtaining state information about an MHD daemon @deftypefun {const union MHD_DaemonInfo *} MHD_get_daemon_info (struct MHD_Daemon *daemon, enum MHD_DaemonInfoType infoType, ...) Obtain information about the given daemon. This function is currently not fully implemented. @table @var @item daemon the daemon about which information is desired; @item infoType type of information that is desired @item ... additional arguments about the desired information (depending on infoType) @end table Returns a union with the respective member (depending on infoType) set to the desired information), or @code{NULL} in case the desired information is not available or applicable. @end deftypefun @deftp {Enumeration} MHD_DaemonInfoType Values of this enum are used to specify what information about a daemon is desired. @table @code @item MHD_DAEMON_INFO_KEY_SIZE Request information about the key size for a particular cipher algorithm. The cipher algorithm should be passed as an extra argument (of type 'enum MHD_GNUTLS_CipherAlgorithm'). No longer supported, using this value will cause MHD_get_daemon_info to return NULL. @item MHD_DAEMON_INFO_MAC_KEY_SIZE Request information about the key size for a particular cipher algorithm. The cipher algorithm should be passed as an extra argument (of type 'enum MHD_GNUTLS_HashAlgorithm'). No longer supported, using this value will cause MHD_get_daemon_info to return NULL. @item MHD_DAEMON_INFO_LISTEN_FD @cindex listen Request the file-descriptor number that MHD is using to listen to the server socket. This can be useful if no port was specified and a client needs to learn what port is actually being used by MHD. No extra arguments should be passed. @item MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY @cindex epoll Request the file-descriptor number that MHD is using for epoll. If the build is not supporting epoll, NULL is returned; if we are using a thread pool or this daemon was not started with MHD_USE_EPOLL_LINUX_ONLY, (a pointer to) -1 is returned. If we are using MHD_USE_SELECT_INTERNALLY or are in 'external' select mode, the internal epoll FD is returned. This function must be used in external select mode with epoll to obtain the FD to call epoll on. No extra arguments should be passed. @end table @end deftp @c ------------------------------------------------------------ @node microhttpd-info conn @section Obtaining state information about a connection @deftypefun {const union MHD_ConnectionInfo *} MHD_get_connection_info (struct MHD_Connection *daemon, enum MHD_ConnectionInfoType infoType, ...) Obtain information about the given connection. @table @var @item connection the connection about which information is desired; @item infoType type of information that is desired @item ... additional arguments about the desired information (depending on infoType) @end table Returns a union with the respective member (depending on infoType) set to the desired information), or @code{NULL} in case the desired information is not available or applicable. @end deftypefun @deftp {Enumeration} MHD_ConnectionInfoType Values of this enum are used to specify what information about a connection is desired. @table @code @item MHD_CONNECTION_INFO_CIPHER_ALGO What cipher algorithm is being used (HTTPS connections only). Takes no extra arguments. @code{NULL} is returned for non-HTTPS connections. @item MHD_CONNECTION_INFO_PROTOCOL, Takes no extra arguments. Allows finding out the TLS/SSL protocol used (HTTPS connections only). @code{NULL} is returned for non-HTTPS connections. @item MHD_CONNECTION_INFO_CLIENT_ADDRESS Returns information about the address of the client. Returns essentially a @code{struct sockaddr **} (since the API returns a @code{union MHD_ConnectionInfo *} and that union contains a @code{struct sockaddr *}). @item MHD_CONNECTION_INFO_GNUTLS_SESSION, Takes no extra arguments. Allows access to the underlying GNUtls session, including access to the underlying GNUtls client certificate (HTTPS connections only). Takes no extra arguments. @code{NULL} is returned for non-HTTPS connections. @item MHD_CONNECTION_INFO_GNUTLS_CLIENT_CERT, Dysfunctional (never implemented, deprecated). Use MHD_CONNECTION_INFO_GNUTLS_SESSION to get the @code{gnutls_session_t} and then call @code{gnutls_certificate_get_peers()}. @item MHD_CONNECTION_INFO_DAEMON Returns information about @code{struct MHD_Daemon} which manages this connection. @item MHD_CONNECTION_INFO_CONNECTION_FD Returns the file descriptor (usually a TCP socket) associated with this connection (in the ``connect-fd'' member of the returned struct). Note that manipulating the descriptor directly can have problematic consequences (as in, break HTTP). Applications might use this access to manipulate TCP options, for example to set the ``TCP-NODELAY'' option for COMET-like applications. Note that MHD will set TCP-CORK after sending the HTTP header and clear it after finishing the footers automatically (if the platform supports it). As the connection callbacks are invoked in between, those might be used to set different values for TCP-CORK and TCP-NODELAY in the meantime. @end table @end deftp @c ------------------------------------------------------------ @node microhttpd-option conn @section Setting custom options for an individual connection @cindex timeout @deftypefun {int} MHD_set_connection_option (struct MHD_Connection *daemon, enum MHD_CONNECTION_OPTION option, ...) Set a custom option for the given connection. @table @var @item connection the connection for which an option should be set or modified; @item option option to set @item ... additional arguments for the option (depending on option) @end table Returns @code{MHD_YES} on success, @code{MHD_NO} for errors (i.e. option argument invalid or option unknown). @end deftypefun @deftp {Enumeration} MHD_CONNECTION_OPTION Values of this enum are used to specify which option for a connection should be changed. @table @code @item MHD_CONNECTION_OPTION_TIMEOUT Set a custom timeout for the given connection. Specified as the number of seconds, given as an @code{unsigned int}. Use zero for no timeout. @end table @end deftp @c ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @c ********************************************************** @c ******************* Appendices ************************* @c ********************************************************** @node GNU-LGPL @unnumbered GNU-LGPL @cindex license @include lgpl.texi @node GNU GPL with eCos Extension @unnumbered GNU GPL with eCos Extension @cindex license @include ecos.texi @node GNU-FDL @unnumbered GNU-FDL @cindex license @include fdl-1.3.texi @node Concept Index @unnumbered Concept Index @printindex cp @node Function and Data Index @unnumbered Function and Data Index @printindex fn @node Type Index @unnumbered Type Index @printindex tp @bye libmicrohttpd-0.9.33/doc/mdate-sh0000755000175000017500000001371712255340774013612 00000000000000#!/bin/sh # Get modification time of a file or directory and pretty-print it. scriptversion=2010-08-21.06; # UTC # Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009, 2010 # Free Software Foundation, Inc. # written by Ulrich Drepper , June 1995 # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST fi case $1 in '') echo "$0: No file. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: mdate-sh [--help] [--version] FILE Pretty-print the modification day of FILE, in the format: 1 January 1970 Report bugs to . EOF exit $? ;; -v | --v*) echo "mdate-sh $scriptversion" exit $? ;; esac error () { echo "$0: $1" >&2 exit 1 } # Prevent date giving response in another language. LANG=C export LANG LC_ALL=C export LC_ALL LC_TIME=C export LC_TIME # GNU ls changes its time format in response to the TIME_STYLE # variable. Since we cannot assume `unset' works, revert this # variable to its documented default. if test "${TIME_STYLE+set}" = set; then TIME_STYLE=posix-long-iso export TIME_STYLE fi save_arg1=$1 # Find out how to get the extended ls output of a file or directory. if ls -L /dev/null 1>/dev/null 2>&1; then ls_command='ls -L -l -d' else ls_command='ls -l -d' fi # Avoid user/group names that might have spaces, when possible. if ls -n /dev/null 1>/dev/null 2>&1; then ls_command="$ls_command -n" fi # A `ls -l' line looks as follows on OS/2. # drwxrwx--- 0 Aug 11 2001 foo # This differs from Unix, which adds ownership information. # drwxrwx--- 2 root root 4096 Aug 11 2001 foo # # To find the date, we split the line on spaces and iterate on words # until we find a month. This cannot work with files whose owner is a # user named `Jan', or `Feb', etc. However, it's unlikely that `/' # will be owned by a user whose name is a month. So we first look at # the extended ls output of the root directory to decide how many # words should be skipped to get the date. # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. set x`$ls_command /` # Find which argument is the month. month= command= until test $month do test $# -gt 0 || error "failed parsing \`$ls_command /' output" shift # Add another shift to the command. command="$command shift;" case $1 in Jan) month=January; nummonth=1;; Feb) month=February; nummonth=2;; Mar) month=March; nummonth=3;; Apr) month=April; nummonth=4;; May) month=May; nummonth=5;; Jun) month=June; nummonth=6;; Jul) month=July; nummonth=7;; Aug) month=August; nummonth=8;; Sep) month=September; nummonth=9;; Oct) month=October; nummonth=10;; Nov) month=November; nummonth=11;; Dec) month=December; nummonth=12;; esac done test -n "$month" || error "failed parsing \`$ls_command /' output" # Get the extended ls output of the file or directory. set dummy x`eval "$ls_command \"\\\$save_arg1\""` # Remove all preceding arguments eval $command # Because of the dummy argument above, month is in $2. # # On a POSIX system, we should have # # $# = 5 # $1 = file size # $2 = month # $3 = day # $4 = year or time # $5 = filename # # On Darwin 7.7.0 and 7.6.0, we have # # $# = 4 # $1 = day # $2 = month # $3 = year or time # $4 = filename # Get the month. case $2 in Jan) month=January; nummonth=1;; Feb) month=February; nummonth=2;; Mar) month=March; nummonth=3;; Apr) month=April; nummonth=4;; May) month=May; nummonth=5;; Jun) month=June; nummonth=6;; Jul) month=July; nummonth=7;; Aug) month=August; nummonth=8;; Sep) month=September; nummonth=9;; Oct) month=October; nummonth=10;; Nov) month=November; nummonth=11;; Dec) month=December; nummonth=12;; esac case $3 in ???*) day=$1;; *) day=$3; shift;; esac # Here we have to deal with the problem that the ls output gives either # the time of day or the year. case $3 in *:*) set `date`; eval year=\$$# case $2 in Jan) nummonthtod=1;; Feb) nummonthtod=2;; Mar) nummonthtod=3;; Apr) nummonthtod=4;; May) nummonthtod=5;; Jun) nummonthtod=6;; Jul) nummonthtod=7;; Aug) nummonthtod=8;; Sep) nummonthtod=9;; Oct) nummonthtod=10;; Nov) nummonthtod=11;; Dec) nummonthtod=12;; esac # For the first six month of the year the time notation can also # be used for files modified in the last year. if (expr $nummonth \> $nummonthtod) > /dev/null; then year=`expr $year - 1` fi;; *) year=$3;; esac # The result. echo $day $month $year # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: libmicrohttpd-0.9.33/doc/libmicrohttpd-tutorial.texi0000644000175000017500000001003212255340712017535 00000000000000\input texinfo @c -*-texinfo-*- @finalout @setfilename libmicrohttpd-tutorial.info @set UPDATED 17 November 2013 @set UPDATED-MONTH November 2013 @set EDITION 0.9.23 @set VERSION 0.9.23 @settitle A tutorial for GNU libmicrohttpd @c Unify all the indices into concept index. @syncodeindex fn cp @syncodeindex vr cp @syncodeindex ky cp @syncodeindex pg cp @syncodeindex tp cp @dircategory Software libraries @direntry * libmicrohttpdtutorial: (libmicrohttpd). A tutorial for GNU libmicrohttpd. @end direntry @copying This tutorial documents GNU libmicrohttpd version @value{VERSION}, last updated @value{UPDATED}. Copyright (c) 2008 Sebastian Gerhardt. Copyright (c) 2010, 2011, 2012, 2013 Christian Grothoff. @quotation Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". @end quotation @end copying @titlepage @title A Tutorial for GNU libmicrohttpd @subtitle Version @value{VERSION} @subtitle @value{UPDATED} @author Sebastian Gerhardt (@email{sebgerhardt@@gmx.net}) @author Christian Grothoff (@email{christian@@grothoff.org}) @author Matthieu Speder (@email{mspeder@@users.sourceforge.net}) @page @vskip 0pt plus 1filll @insertcopying @end titlepage @contents @ifnottex @node Top @top A Tutorial for GNU libmicrohttpd @insertcopying @end ifnottex @menu * Introduction:: * Hello browser example:: * Exploring requests:: * Response headers:: * Supporting basic authentication:: * Processing POST data:: * Improved processing of POST data:: * Session management:: * Adding a layer of security:: * Bibliography:: * License text:: * Example programs:: @end menu @node Introduction @chapter Introduction @include chapters/introduction.inc @node Hello browser example @chapter Hello browser example @include chapters/hellobrowser.inc @node Exploring requests @chapter Exploring requests @include chapters/exploringrequests.inc @node Response headers @chapter Response headers @include chapters/responseheaders.inc @node Supporting basic authentication @chapter Supporting basic authentication @include chapters/basicauthentication.inc @node Processing POST data @chapter Processing POST data @include chapters/processingpost.inc @node Improved processing of POST data @chapter Improved processing of POST data @include chapters/largerpost.inc @node Session management @chapter Session management @include chapters/sessions.inc @node Adding a layer of security @chapter Adding a layer of security @include chapters/tlsauthentication.inc @node Bibliography @appendix Bibliography @include chapters/bibliography.inc @node License text @appendix GNU Free Documentation License @include fdl-1.3.texi @node Example programs @appendix Example programs @menu * hellobrowser.c:: * logging.c:: * responseheaders.c:: * basicauthentication.c:: * simplepost.c:: * largepost.c:: * sessions.c:: * tlsauthentication.c:: @end menu @node hellobrowser.c @section hellobrowser.c @smalldisplay @verbatiminclude examples/hellobrowser.c @end smalldisplay @node logging.c @section logging.c @smalldisplay @verbatiminclude examples/logging.c @end smalldisplay @node responseheaders.c @section responseheaders.c @smalldisplay @verbatiminclude examples/responseheaders.c @end smalldisplay @node basicauthentication.c @section basicauthentication.c @smalldisplay @verbatiminclude examples/basicauthentication.c @end smalldisplay @node simplepost.c @section simplepost.c @smalldisplay @verbatiminclude examples/simplepost.c @end smalldisplay @node largepost.c @section largepost.c @smalldisplay @verbatiminclude examples/largepost.c @end smalldisplay @node sessions.c @section sessions.c @smalldisplay @verbatiminclude examples/sessions.c @end smalldisplay @node tlsauthentication.c @section tlsauthentication.c @smalldisplay @verbatiminclude examples/tlsauthentication.c @end smalldisplay @bye libmicrohttpd-0.9.33/doc/libmicrohttpd.info0000644000175000017500000053415312255341021015667 00000000000000This is libmicrohttpd.info, produced by makeinfo version 4.13 from libmicrohttpd.texi. This manual is for GNU libmicrohttpd (version 0.9.32, 3 December 2013), a library for embedding an HTTP(S) server into C applications. Copyright (C) 2007-2013 Christian Grothoff Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". INFO-DIR-SECTION Software libraries START-INFO-DIR-ENTRY * libmicrohttpd: (libmicrohttpd). Embedded HTTP server library. END-INFO-DIR-ENTRY  File: libmicrohttpd.info, Node: Top, Next: microhttpd-intro, Up: (dir) The GNU libmicrohttpd Library ***************************** This manual is for GNU libmicrohttpd (version 0.9.32, 3 December 2013), a library for embedding an HTTP(S) server into C applications. Copyright (C) 2007-2013 Christian Grothoff Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". * Menu: * microhttpd-intro:: Introduction. * microhttpd-const:: Constants. * microhttpd-struct:: Structures type definition. * microhttpd-cb:: Callback functions definition. * microhttpd-init:: Starting and stopping the server. * microhttpd-inspect:: Implementing external `select'. * microhttpd-requests:: Handling requests. * microhttpd-responses:: Building responses to requests. * microhttpd-flow:: Flow control. * microhttpd-dauth:: Utilizing Authentication. * microhttpd-post:: Adding a `POST' processor. * microhttpd-info:: Obtaining and modifying status information. Appendices * GNU-LGPL:: The GNU Lesser General Public License says how you can copy and share almost all of `libmicrohttpd'. * GNU GPL with eCos Extension:: The GNU General Public License with eCos extension says how you can copy and share some parts of `libmicrohttpd'. * GNU-FDL:: The GNU Free Documentation License says how you can copy and share the documentation of `libmicrohttpd'. Indices * Concept Index:: Index of concepts and programs. * Function and Data Index:: Index of functions, variables and data types. * Type Index:: Index of data types.  File: libmicrohttpd.info, Node: microhttpd-intro, Next: microhttpd-const, Prev: Top, Up: Top 1 Introduction ************** All symbols defined in the public API start with `MHD_'. MHD is a small HTTP daemon library. As such, it does not have any API for logging errors (you can only enable or disable logging to stderr). Also, it may not support all of the HTTP features directly, where applicable, portions of HTTP may have to be handled by clients of the library. The library is supposed to handle everything that it must handle (because the API would not allow clients to do this), such as basic connection management; however, detailed interpretations of headers -- such as range requests -- and HTTP methods are left to clients. The library does understand `HEAD' and will only send the headers of the response and not the body, even if the client supplied a body. The library also understands headers that control connection management (specifically, `Connection: close' and `Expect: 100 continue' are understood and handled automatically). MHD understands `POST' data and is able to decode certain formats (at the moment only `application/x-www-form-urlencoded' and `multipart/form-data') using the post processor API. The data stream of a POST is also provided directly to the main application, so unsupported encodings could still be processed, just not conveniently by MHD. The header file defines various constants used by the HTTP protocol. This does not mean that MHD actually interprets all of these values. The provided constants are exported as a convenience for users of the library. MHD does not verify that transmitted HTTP headers are part of the standard specification; users of the library are free to define their own extensions of the HTTP standard and use those with MHD. All functions are guaranteed to be completely reentrant and thread-safe. MHD checks for allocation failures and tries to recover gracefully (for example, by closing the connection). Additionally, clients can specify resource limits on the overall number of connections, number of connections per IP address and memory used per connection to avoid resource exhaustion. 1.1 Scope ========= MHD is currently used in a wide range of implementations. Examples based on reports we've received from developers include: * Embedded HTTP server on a cortex M3 (128 KB code space) * Large-scale multimedia server (reportedly serving at the simulator limit of 7.5 GB/s) * Administrative console (via HTTP/HTTPS) for network appliances 1.2 Thread modes and event loops ================================ MHD supports four basic thread modes and up to three event loop styes. The four basic thread modes are external (MHD creates no threads, event loop is fully managed by the application), internal (MHD creates one thread for all connections), thread pool (MHD creates a thread pool which is used to process all connections) and thread-per-connection (MHD creates one listen thread and then one thread per accepted connection). These thread modes are then combined with the event loop styles. MHD support select, poll and epoll. epoll is only available on Linux, poll may not be available on some platforms. Note that it is possible to combine MHD using epoll with an external select-based event loop. The default (if no other option is passed) is "external select". The highest performance can typically be obtained with a thread pool using `epoll'. Apache Benchmark (ab) was used to compare the performance of `select' and `epoll' when using a thread pool and a large number of connections. *note fig:performance:: shows the resulting plot from the `benchmark.c' example, which measures the latency between an incoming request and the completion of the transmission of the response. In this setting, the `epoll' thread pool with four threads was able to handle more than 45,000 connections per second on loopback (with Apache Benchmark running three processes on the same machine). Figure 1.1: Performance measurements for select vs. epoll (with thread-pool). Not all combinations of thread modes and event loop styles are supported. This is partially to keep the API simple, and partially because some combinations simply make no sense as others are strictly superior. Note that the choice of style depends fist of all on the application logic, and then on the performance requirements. Applications that perform a blocking operation while handling a request within the callbacks from MHD must use a thread per connection. This is typically rather costly. Applications that do not support threads or that must run on embedded devices without thread-support must use the external mode. Using `epoll' is only supported on Linux, thus portable applications must at least have a fallback option available. *note tbl:supported:: lists the sane combinations. select poll epoll external yes no yes internal yes yes yes thread pool yes yes yes thread-per-connection yes yes no Table 1.1: Supported combinations of event styles and thread modes. 1.3 Compiling GNU libmicrohttpd =============================== MHD uses the standard GNU system where the usual build process involves running $ ./configure $ make $ make install MHD supports various options to be given to configure to tailor the binary to a specific situation. Note that some of these options will remove portions of the MHD code that are required for binary-compatibility. They should only be used on embedded systems with tight resource constraints and no concerns about library versioning. Standard distributions including MHD are expected to always ship with all features enabled, otherwise unexpected incompatibilities can arise! Here is a list of MHD-specific options that can be given to configure (canonical configure options such as "-prefix" are also supported, for a full list of options run "./configure -help"): ```--disable-curl''' disable running testcases using libcurl ```--disable-largefile''' disable support for 64-bit files ```--disable-messages''' disable logging of error messages (smaller binary size, not so much fun for debugging) ```--disable-https''' disable HTTPS support, even if GNUtls is found; this option must be used if eCOS license is desired as an option (in all cases the resulting binary falls under a GNU LGPL-only license) ```--disable-postprocessor''' do not include the post processor API (results in binary incompatibility) ```--disable-dauth''' do not include the authentication APIs (results in binary incompatibility) ```--disable-epoll' do not include epoll support, even on Linux (minimally smaller binary size, good for testing portability to non-Linux systems) ```--enable-coverage''' set flags for analysis of code-coverage with gcc/gcov (results in slow, large binaries) ```--with-gcrypt=PATH''' specifies path to libgcrypt installation ```--with-gnutls=PATH''' specifies path to libgnutls installation 1.4 Including the microhttpd.h header ===================================== Ideally, before including "microhttpd.h" you should add the necessary includes to define the `uint64_t', `size_t', `fd_set', `socklen_t' and `struct sockaddr' data types. Which specific headers are needed may depend on your platform and your build system might include some tests to provide you with the necessary conditional operations. For possible suggestions consult `platform.h' and `configure.ac' in the MHD distribution. Once you have ensured that you manually (!) included the right headers for your platform before "microhttpd.h", you should also add a line with `#define MHD_PLATFORM_H' which will prevent the "microhttpd.h" header from trying (and, depending on your platform, failing) to include the right headers. If you do not define MHD_PLATFORM_H, the "microhttpd.h" header will automatically include headers needed on GNU/Linux systems (possibly causing problems when porting to other platforms). 1.5 SIGPIPE =========== MHD does not install a signal handler for SIGPIPE. On platforms where this is possible (such as GNU/Linux), it disables SIGPIPE for its I/O operations (by passing MSG_NOSIGNAL). On other platforms, SIGPIPE signals may be generated from network operations by MHD and will cause the process to die unless the developer explicitly installs a signal handler for SIGPIPE. Hence portable code using MHD must install a SIGPIPE handler or explicitly block the SIGPIPE signal. MHD does not do so in order to avoid messing with other parts of the application that may need to handle SIGPIPE in a particular way. You can make your application handle SIGPIPE by calling the following function in `main': static void catcher (int sig) { } static void ignore_sigpipe () { struct sigaction oldsig; struct sigaction sig; sig.sa_handler = &catcher; sigemptyset (&sig.sa_mask); #ifdef SA_INTERRUPT sig.sa_flags = SA_INTERRUPT; /* SunOS */ #else sig.sa_flags = SA_RESTART; #endif if (0 != sigaction (SIGPIPE, &sig, &oldsig)) fprintf (stderr, "Failed to install SIGPIPE handler: %s\n", strerror (errno)); } 1.6 MHD_UNSIGNED_LONG_LONG ========================== Some platforms do not support `long long'. Hence MHD defines a macro `MHD_UNSIGNED LONG_LONG' which will default to `unsigned long long'. For standard desktop operating systems, this is all you need to know. However, if your platform does not support `unsigned long long', you should change "platform.h" to define `MHD_LONG_LONG' and `MHD_UNSIGNED_LONG_LONG' to an appropriate alternative type and also define `MHD_LONG_LONG_PRINTF' and `MHD_UNSIGNED_LONG_LONG_PRINTF' to the corresponding format string for printing such a data type. Note that the "signed" versions are deprecated. Also, for historical reasons, `MHD_LONG_LONG_PRINTF' is without the percent sign, whereas `MHD_UNSIGNED_LONG_LONG_PRINTF' is with the percent sign. Newly written code should only use the unsigned versions. However, you need to define both in "platform.h" if you need to change the definition for the specific platform. 1.7 Portability to W32 ====================== On W32, GNUnet requires PlibC, a lightweight library to provide some more POSIX-like calls on W32. While PlibC takes care of most issues, it is unable to make `select' (or equivalent alternative socket calls) unblock when a socket is `shutdown'. This can be problematic if MHD is used in "one thread per connection" mode. In this case, an inactive TCP connection may block `MHD_stop_daemon' until the connection times out. You may be able to mitigate the issue by setting a reasonably low timeout, but in general we of course recommend migrating away from Windows. Using MHD with other types of event loops is unaffected by this issue. 1.8 Portability to z/OS ======================= To compile MHD on z/OS, extract the archive and run iconv -f UTF-8 -t IBM-1047 contrib/ascebc > /tmp/ascebc.sh chmod +x /tmp/ascebc.sh for n in `find * -type f` do /tmp/ascebc.sh $n done to convert all source files to EBCDIC. Note that you must run `configure' from the directory where the configure script is located. Otherwise, configure will fail to find the `contrib/xcc' script (which is a wrapper around the z/OS c89 compiler).  File: libmicrohttpd.info, Node: microhttpd-const, Next: microhttpd-struct, Prev: microhttpd-intro, Up: Top 2 Constants *********** -- Enumeration: MHD_FLAG Options for the MHD daemon. Note that if neither `MHD_USE_THREAD_PER_CONNECTION' nor `MHD_USE_SELECT_INTERNALLY' is used, the client wants control over the process and will call the appropriate microhttpd callbacks. Starting the daemon may also fail if a particular option is not implemented or not supported on the target platform (i.e. no support for SSL, threads or IPv6). SSL support generally depends on options given during MHD compilation. Threaded operations (including `MHD_USE_SELECT_INTERNALLY') are not supported on Symbian. `MHD_NO_FLAG' No options selected. `MHD_USE_DEBUG' Run in debug mode. If this flag is used, the library should print error messages and warnings to stderr. Note that for this run-time option to have any effect, MHD needs to be compiled with messages enabled. This is done by default except you ran configure with the `--disable-messages' flag set. `MHD_USE_SSL' Run in HTTPS-mode. If you specify `MHD_USE_SSL' and MHD was compiled without SSL support, `MHD_start_daemon' will return NULL. `MHD_USE_THREAD_PER_CONNECTION' Run using one thread per connection. `MHD_USE_SELECT_INTERNALLY' Run using an internal thread doing `SELECT'. `MHD_USE_IPv6' Run using the IPv6 protocol (otherwise, MHD will just support IPv4). If you specify `MHD_USE_IPV6' and the local platform does not support it, `MHD_start_daemon' will return NULL. If you want MHD to support IPv4 and IPv6 using a single socket, pass MHD_USE_DUAL_STACK, otherwise, if you only pass this option, MHD will try to bind to IPv6-only (resulting in no IPv4 support). `MHD_USE_DUAL_STACK' Use a single socket for IPv4 and IPv6. Note that this will mean that IPv4 addresses are returned by MHD in the IPv6-mapped format (the 'struct sockaddr_in6' format will be used for IPv4 and IPv6). `MHD_USE_PEDANTIC_CHECKS' Be pedantic about the protocol (as opposed to as tolerant as possible). Specifically, at the moment, this flag causes MHD to reject HTTP 1.1 connections without a `Host' header. This is required by the standard, but of course in violation of the "be as liberal as possible in what you accept" norm. It is recommended to turn this *ON* if you are testing clients against MHD, and *OFF* in production. `MHD_USE_POLL' Use poll instead of select. This allows sockets with descriptors `>= FD_SETSIZE'. This option currently only works in conjunction with `MHD_USE_THREAD_PER_CONNECTION' or `MHD_USE_INTERNAL_SELECT' (at this point). If you specify `MHD_USE_POLL' and the local platform does not support it, `MHD_start_daemon' will return NULL. `MHD_USE_EPOLL_LINUX_ONLY' Use epoll instead of poll or select. This allows sockets with descriptors `>= FD_SETSIZE'. This option is only available on Linux systems and only works in conjunction with `MHD_USE_THREAD_PER_CONNECTION' (at this point). If you specify `MHD_USE_EPOLL_LINUX_ONLY' and the local platform does not support it, `MHD_start_daemon' will return NULL. Using epoll instead of select or poll can in some situations result in significantly higher performance as the system call has fundamentally lower complexity (O(1) for epoll vs. O(n) for select/poll where n is the number of open connections). `MHD_SUPPRESS_DATE_NO_CLOCK' Suppress (automatically) adding the 'Date:' header to HTTP responses. This option should ONLY be used on systems that do not have a clock and that DO provide other mechanisms for cache control. See also RFC 2616, section 14.18 (exception 3). `MHD_USE_NO_LISTEN_SOCKET' Run the HTTP server without any listen socket. This option only makes sense if `MHD_add_connection' is going to be used exclusively to connect HTTP clients to the HTTP server. This option is incompatible with using a thread pool; if it is used, `MHD_OPTION_THREAD_POOL_SIZE' is ignored. `MHD_USE_PIPE_FOR_SHUTDOWN' Force MHD to use a signal pipe to notify the event loop (of threads) of our shutdown. This is required if an appliction uses `MHD_USE_INTERNAL_SELECT' or `MHD_USE_THREAD_PER_CONNECTION' and then performs `MHD_quiesce_daemon' (which eliminates our ability to signal termination via the listen socket). In these modes, `MHD_quiesce_daemon' will fail if this option was not set. Also, use of this option is automatic (as in, you do not even have to specify it), if `MHD_USE_NO_LISTEN_SOCKET' is specified. In "external" select mode, this option is always simply ignored. `MHD_USE_SUSPEND_RESUME' Enables using `MHD_suspend_connection' and `MHD_resume_connection', as performing these calls requires some additional pipes to be created, and code not using these calls should not pay the cost. -- Enumeration: MHD_OPTION MHD options. Passed in the varargs portion of `MHD_start_daemon()'. `MHD_OPTION_END' No more options / last option. This is used to terminate the VARARGs list. `MHD_OPTION_CONNECTION_MEMORY_LIMIT' Maximum memory size per connection (followed by a `size_t'). The default is 32 kB (32*1024 bytes) as defined by the internal constant `MHD_POOL_SIZE_DEFAULT'. Values above 128k are unlikely to result in much benefit, as half of the memory will be typically used for IO, and TCP buffers are unlikely to support window sizes above 64k on most systems. `MHD_OPTION_CONNECTION_MEMORY_INCREMENT' Increment to use for growing the read buffer (followed by a `size_t'). The default is 1024 (bytes). Increasing this value will make MHD use memory for reading more aggressively, which can reduce the number of `recvfrom' calls but may increase the number of `sendto' calls. The given value must fit within MHD_OPTION_CONNECTION_MEMORY_LIMIT. `MHD_OPTION_CONNECTION_LIMIT' Maximum number of concurrent connections to accept (followed by an `unsigned int'). The default is `FD_SETSIZE - 4' (the maximum number of file descriptors supported by `select' minus four for `stdin', `stdout', `stderr' and the server socket). In other words, the default is as large as possible. Note that if you set a low connection limit, you can easily get into trouble with browsers doing request pipelining. For example, if your connection limit is "1", a browser may open a first connection to access your "index.html" file, keep it open but use a second connection to retrieve CSS files, images and the like. In fact, modern browsers are typically by default configured for up to 15 parallel connections to a single server. If this happens, MHD will refuse to even accept the second connection until the first connection is closed -- which does not happen until timeout. As a result, the browser will fail to render the page and seem to hang. If you expect your server to operate close to the connection limit, you should first consider using a lower timeout value and also possibly add a "Connection: close" header to your response to ensure that request pipelining is not used and connections are closed immediately after the request has completed: MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION, "close"); `MHD_OPTION_CONNECTION_TIMEOUT' After how many seconds of inactivity should a connection automatically be timed out? (followed by an `unsigned int'; use zero for no timeout). The default is zero (no timeout). `MHD_OPTION_NOTIFY_COMPLETED' Register a function that should be called whenever a request has been completed (this can be used for application-specific clean up). Requests that have never been presented to the application (via `MHD_AccessHandlerCallback()') will not result in notifications. This option should be followed by *TWO* pointers. First a pointer to a function of type `MHD_RequestCompletedCallback()' and second a pointer to a closure to pass to the request completed callback. The second pointer maybe `NULL'. `MHD_OPTION_PER_IP_CONNECTION_LIMIT' Limit on the number of (concurrent) connections made to the server from the same IP address. Can be used to prevent one IP from taking over all of the allowed connections. If the same IP tries to establish more than the specified number of connections, they will be immediately rejected. The option should be followed by an `unsigned int'. The default is zero, which means no limit on the number of connections from the same IP address. `MHD_OPTION_SOCK_ADDR' Bind daemon to the supplied socket address. This option should be followed by a `struct sockaddr *'. If `MHD_USE_IPv6' is specified, the `struct sockaddr*' should point to a `struct sockaddr_in6', otherwise to a `struct sockaddr_in'. If this option is not specified, the daemon will listen to incoming connections from anywhere. If you use this option, the 'port' argument from `MHD_start_daemon' is ignored and the port from the given `struct sockaddr *' will be used instead. `MHD_OPTION_URI_LOG_CALLBACK' Specify a function that should be called before parsing the URI from the client. The specified callback function can be used for processing the URI (including the options) before it is parsed. The URI after parsing will no longer contain the options, which maybe inconvenient for logging. This option should be followed by two arguments, the first one must be of the form void * my_logger(void * cls, const char * uri, struct MHD_Connection *con) where the return value will be passed as `*con_cls' in calls to the `MHD_AccessHandlerCallback' when this request is processed later; returning a value of `NULL' has no special significance; (however, note that if you return non-`NULL', you can no longer rely on the first call to the access handler having `NULL == *con_cls' on entry) `cls' will be set to the second argument following MHD_OPTION_URI_LOG_CALLBACK. Finally, `uri' will be the 0-terminated URI of the request. Note that during the time of this call, most of the connection's state is not initialized (as we have not yet parsed he headers). However, information about the connecting client (IP, socket) is available. `MHD_OPTION_HTTPS_MEM_KEY' Memory pointer to the private key to be used by the HTTPS daemon. This option should be followed by an "const char*" argument. This should be used in conjunction with 'MHD_OPTION_HTTPS_MEM_CERT'. `MHD_OPTION_HTTPS_MEM_CERT' Memory pointer to the certificate to be used by the HTTPS daemon. This option should be followed by an "const char*" argument. This should be used in conjunction with 'MHD_OPTION_HTTPS_MEM_KEY'. `MHD_OPTION_HTTPS_MEM_TRUST' Memory pointer to the CA certificate to be used by the HTTPS daemon to authenticate and trust clients certificates. This option should be followed by an "const char*" argument. The presence of this option activates the request of certificate to the client. The request to the client is marked optional, and it is the responsibility of the server to check the presence of the certificate if needed. Note that most browsers will only present a client certificate only if they have one matching the specified CA, not sending any certificate otherwise. `MHD_OPTION_HTTPS_CRED_TYPE' Daemon credentials type. Either certificate or anonymous, this option should be followed by one of the values listed in "enum gnutls_credentials_type_t". `MHD_OPTION_HTTPS_PRIORITIES' SSL/TLS protocol version and ciphers. This option must be followed by an "const char *" argument specifying the SSL/TLS protocol versions and ciphers that are acceptable for the application. The string is passed unchanged to gnutls_priority_init. If this option is not specified, "NORMAL" is used. `MHD_OPTION_DIGEST_AUTH_RANDOM' Digest Authentication nonce's seed. This option should be followed by two arguments. First an integer of type "size_t" which specifies the size of the buffer pointed to by the second argument in bytes. Note that the application must ensure that the buffer of the second argument remains allocated and unmodified while the daemon is running. For security, you SHOULD provide a fresh random nonce when using MHD with Digest Authentication. `MHD_OPTION_NONCE_NC_SIZE' Size of an array of nonce and nonce counter map. This option must be followed by an "unsigned int" argument that have the size (number of elements) of a map of a nonce and a nonce-counter. If this option is not specified, a default value of 4 will be used (which might be too small for servers handling many requests). If you do not use digest authentication at all, you can specify a value of zero to save some memory. You should calculate the value of NC_SIZE based on the number of connections per second multiplied by your expected session duration plus a factor of about two for hash table collisions. For example, if you expect 100 digest-authenticated connections per second and the average user to stay on your site for 5 minutes, then you likely need a value of about 60000. On the other hand, if you can only expect only 10 digest-authenticated connections per second, tolerate browsers getting a fresh nonce for each request and expect a HTTP request latency of 250 ms, then a value of about 5 should be fine. `MHD_OPTION_LISTEN_SOCKET' Listen socket to use. Pass a listen socket for MHD to use (systemd-style). If this option is used, MHD will not open its own listen socket(s). The argument passed must be of type "int" and refer to an existing socket that has been bound to a port and is listening. `MHD_OPTION_EXTERNAL_LOGGER' Use the given function for logging error messages. This option must be followed by two arguments; the first must be a pointer to a function of type 'void fun(void * arg, const char * fmt, va_list ap)' and the second a pointer of type 'void*' which will be passed as the "arg" argument to "fun". Note that MHD will not generate any log messages without the MHD_USE_DEBUG flag set and if MHD was compiled with the "-disable-messages" flag. `MHD_OPTION_THREAD_POOL_SIZE' Number (unsigned int) of threads in thread pool. Enable thread pooling by setting this value to to something greater than 1. Currently, thread model must be MHD_USE_SELECT_INTERNALLY if thread pooling is enabled (`MHD_start_daemon' returns `NULL' for an unsupported thread model). `MHD_OPTION_ARRAY' This option can be used for initializing MHD using options from an array. A common use for this is writing an FFI for MHD. The actual options given are in an array of 'struct MHD_OptionItem', so this option requires a single argument of type 'struct MHD_OptionItem'. The array must be terminated with an entry `MHD_OPTION_END'. An example for code using MHD_OPTION_ARRAY is: struct MHD_OptionItem ops[] = { { MHD_OPTION_CONNECTION_LIMIT, 100, NULL }, { MHD_OPTION_CONNECTION_TIMEOUT, 10, NULL }, { MHD_OPTION_END, 0, NULL } }; d = MHD_start_daemon(0, 8080, NULL, NULL, dh, NULL, MHD_OPTION_ARRAY, ops, MHD_OPTION_END); For options that expect a single pointer argument, the second member of the `struct MHD_OptionItem' is ignored. For options that expect two pointer arguments, the first argument must be cast to `intptr_t'. `MHD_OPTION_UNESCAPE_CALLBACK' Specify a function that should be called for unescaping escape sequences in URIs and URI arguments. Note that this function will NOT be used by the MHD_PostProcessor. If this option is not specified, the default method will be used which decodes escape sequences of the form "%HH". This option should be followed by two arguments, the first one must be of the form size_t my_unescaper(void * cls, struct MHD_Connection *c, char *s) where the return value must be `strlen(s)' and `s' should be updated. Note that the unescape function must not lengthen `s' (the result must be shorter than the input and still be 0-terminated). `cls' will be set to the second argument following MHD_OPTION_UNESCAPE_CALLBACK. `MHD_OPTION_THREAD_STACK_SIZE' Maximum stack size for threads created by MHD. This option must be followed by a `size_t'). Not specifying this option or using a value of zero means using the system default (which is likely to differ based on your platform). -- C Struct: MHD_OptionItem Entry in an MHD_OPTION_ARRAY. See the `MHD_OPTION_ARRAY' option argument for its use. The `option' member is used to specify which option is specified in the array. The other members specify the respective argument. Note that for options taking only a single pointer, the `ptr_value' member should be set. For options taking two pointer arguments, the first pointer must be cast to `intptr_t' and both the `value' and the `ptr_value' members should be used to pass the two pointers. -- Enumeration: MHD_ValueKind The `MHD_ValueKind' specifies the source of the key-value pairs in the HTTP protocol. `MHD_RESPONSE_HEADER_KIND' Response header. `MHD_HEADER_KIND' HTTP header. `MHD_COOKIE_KIND' Cookies. Note that the original HTTP header containing the cookie(s) will still be available and intact. `MHD_POSTDATA_KIND' `POST' data. This is available only if a content encoding supported by MHD is used (currently only URL encoding), and only if the posted content fits within the available memory pool. Note that in that case, the upload data given to the `MHD_AccessHandlerCallback()' will be empty (since it has already been processed). `MHD_GET_ARGUMENT_KIND' `GET' (URI) arguments. `MHD_FOOTER_KIND' HTTP footer (only for http 1.1 chunked encodings). -- Enumeration: MHD_RequestTerminationCode The `MHD_RequestTerminationCode' specifies reasons why a request has been terminated (or completed). `MHD_REQUEST_TERMINATED_COMPLETED_OK' We finished sending the response. `MHD_REQUEST_TERMINATED_WITH_ERROR' Error handling the connection (resources exhausted, other side closed connection, application error accepting request, etc.) `MHD_REQUEST_TERMINATED_TIMEOUT_REACHED' No activity on the connection for the number of seconds specified using `MHD_OPTION_CONNECTION_TIMEOUT'. `MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN' We had to close the session since MHD was being shut down. -- Enumeration: MHD_ResponseMemoryMode The `MHD_ResponeMemoryMode' specifies how MHD should treat the memory buffer given for the response in `MHD_create_response_from_buffer'. `MHD_RESPMEM_PERSISTENT' Buffer is a persistent (static/global) buffer that won't change for at least the lifetime of the response, MHD should just use it, not free it, not copy it, just keep an alias to it. `MHD_RESPMEM_MUST_FREE' Buffer is heap-allocated with `malloc' (or equivalent) and should be freed by MHD after processing the response has concluded (response reference counter reaches zero). `MHD_RESPMEM_MUST_COPY' Buffer is in transient memory, but not on the heap (for example, on the stack or non-malloc allocated) and only valid during the call to `MHD_create_response_from_buffer'. MHD must make its own private copy of the data for processing.  File: libmicrohttpd.info, Node: microhttpd-struct, Next: microhttpd-cb, Prev: microhttpd-const, Up: Top 3 Structures type definition **************************** -- C Struct: MHD_Daemon Handle for the daemon (listening on a socket for HTTP traffic). -- C Struct: MHD_Connection Handle for a connection / HTTP request. With HTTP/1.1, multiple requests can be run over the same connection. However, MHD will only show one request per TCP connection to the client at any given time. -- C Struct: MHD_Response Handle for a response. -- C Struct: MHD_PostProcessor Handle for `POST' processing. -- C Union: MHD_ConnectionInfo Information about a connection. -- C Union: MHD_DaemonInfo Information about an MHD daemon.  File: libmicrohttpd.info, Node: microhttpd-cb, Next: microhttpd-init, Prev: microhttpd-struct, Up: Top 4 Callback functions definition ******************************* -- Function Pointer: int *MHD_AcceptPolicyCallback (void *cls, const struct sockaddr * addr, socklen_t addrlen) Invoked in the context of a connection to allow or deny a client to connect. This callback return `MHD_YES' if connection is allowed, `MHD_NO' if not. CLS custom value selected at callback registration time; ADDR address information from the client; ADDRLEN length of the address information. -- Function Pointer: int *MHD_AccessHandlerCallback (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) Invoked in the context of a connection to answer a request from the client. This callback must call MHD functions (example: the `MHD_Response' ones) to provide content to give back to the client and return an HTTP status code (i.e. `200' for OK, `404', etc.). *note microhttpd-post::, for details on how to code this callback. Must return `MHD_YES' if the connection was handled successfully, `MHD_NO' if the socket must be closed due to a serious error while handling the request CLS custom value selected at callback registration time; URL the URL requested by the client; METHOD the HTTP method used by the client (`GET', `PUT', `DELETE', `POST', etc.); VERSION the HTTP version string (i.e. `HTTP/1.1'); UPLOAD_DATA the data being uploaded (excluding headers): * for a `POST' that fits into memory and that is encoded with a supported encoding, the `POST' data will *NOT* be given in UPLOAD_DATA and is instead available as part of `MHD_get_connection_values()'; * very large `POST' data *will* be made available incrementally in UPLOAD_DATA; UPLOAD_DATA_SIZE set initially to the size of the UPLOAD_DATA provided; this callback must update this value to the number of bytes *NOT* processed; unless external select is used, the callback maybe required to process at least some data. If the callback fails to process data in multi-threaded or internal-select mode and if the read-buffer is already at the maximum size that MHD is willing to use for reading (about half of the maximum amount of memory allowed for the connection), then MHD will abort handling the connection and return an internal server error to the client. In order to avoid this, clients must be able to process upload data incrementally and reduce the value of `upload_data_size'. CON_CLS reference to a pointer, initially set to `NULL', that this callback can set to some address and that will be preserved by MHD for future calls for this request; since the access handler may be called many times (i.e., for a `PUT'/`POST' operation with plenty of upload data) this allows the application to easily associate some request-specific state; if necessary, this state can be cleaned up in the global `MHD_RequestCompletedCallback' (which can be set with the `MHD_OPTION_NOTIFY_COMPLETED'). -- Function Pointer: void *MHD_RequestCompletedCallback (void *cls, struct MHD_Connectionconnection, void **con_cls, enum MHD_RequestTerminationCode toe) Signature of the callback used by MHD to notify the application about completed requests. CLS custom value selected at callback registration time; CONNECTION connection handle; CON_CLS value as set by the last call to the `MHD_AccessHandlerCallback'; TOE reason for request termination see `MHD_OPTION_NOTIFY_COMPLETED'. -- Function Pointer: int *MHD_KeyValueIterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *value) Iterator over key-value pairs. This iterator can be used to iterate over all of the cookies, headers, or `POST'-data fields of a request, and also to iterate over the headers that have been added to a response. Return `MHD_YES' to continue iterating, `MHD_NO' to abort the iteration. -- Function Pointer: int *MHD_ContentReaderCallback (void *cls, uint64_t pos, char *buf, size_t max) Callback used by MHD in order to obtain content. The callback has to copy at most MAX bytes of content into BUF. The total number of bytes that has been placed into BUF should be returned. Note that returning zero will cause MHD to try again. Thus, returning zero should only be used in conjunction with `MHD_suspend_connection()' to avoid busy waiting. While usually the callback simply returns the number of bytes written into BUF, there are two special return value: `MHD_CONTENT_READER_END_OF_STREAM' (-1) should be returned for the regular end of transmission (with chunked encoding, MHD will then terminate the chunk and send any HTTP footers that might be present; without chunked encoding and given an unknown response size, MHD will simply close the connection; note that while returning `MHD_CONTENT_READER_END_OF_STREAM' is not technically legal if a response size was specified, MHD accepts this and treats it just as `MHD_CONTENT_READER_END_WITH_ERROR'. `MHD_CONTENT_READER_END_WITH_ERROR' (-2) is used to indicate a server error generating the response; this will cause MHD to simply close the connection immediately. If a response size was given or if chunked encoding is in use, this will indicate an error to the client. Note, however, that if the client does not know a response size and chunked encoding is not in use, then clients will not be able to tell the difference between `MHD_CONTENT_READER_END_WITH_ERROR' and `MHD_CONTENT_READER_END_OF_STREAM'. This is not a limitation of MHD but rather of the HTTP protocol. CLS custom value selected at callback registration time; POS position in the datastream to access; note that if an `MHD_Response' object is re-used, it is possible for the same content reader to be queried multiple times for the same data; however, if an `MHD_Response' is not re-used, MHD guarantees that POS will be the sum of all non-negative return values obtained from the content reader so far. Return `-1' on error (MHD will no longer try to read content and instead close the connection with the client). -- Function Pointer: void *MHD_ContentReaderFreeCallback (void *cls) This method is called by MHD if we are done with a content reader. It should be used to free resources associated with the content reader. -- Function Pointer: int *MHD_PostDataIterator (void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) Iterator over key-value pairs where the value maybe made available in increments and/or may not be zero-terminated. Used for processing `POST' data. CLS custom value selected at callback registration time; KIND type of the value; KEY zero-terminated key for the value; FILENAME name of the uploaded file, `NULL' if not known; CONTENT_TYPE mime-type of the data, `NULL' if not known; TRANSFER_ENCODING encoding of the data, `NULL' if not known; DATA pointer to size bytes of data at the specified offset; OFF offset of data in the overall value; SIZE number of bytes in data available. Return `MHD_YES' to continue iterating, `MHD_NO' to abort the iteration.  File: libmicrohttpd.info, Node: microhttpd-init, Next: microhttpd-inspect, Prev: microhttpd-cb, Up: Top 5 Starting and stopping the server ********************************** -- Function: void MHD_set_panic_func (MHD_PanicCallback cb, void *cls) Set a handler for fatal errors. CB function to call if MHD encounters a fatal internal error. If no handler was set explicitly, MHD will call `abort'. CLS closure argument for cb; the other arguments are the name of the source file, line number and a string describing the nature of the fatal error (which can be `NULL') -- Function: struct MHD_Daemon * MHD_start_daemon (unsigned int flags, unsigned short port, MHD_AcceptPolicyCallback apc, void *apc_cls, MHD_AccessHandlerCallback dh, void *dh_cls, ...) Start a webserver on the given port. FLAGS OR-ed combination of `MHD_FLAG' values; PORT port to bind to; APC callback to call to check which clients will be allowed to connect; you can pass `NULL' in which case connections from any IP will be accepted; APC_CLS extra argument to APC; DH default handler for all URIs; DH_CLS extra argument to DH. Additional arguments are a list of options (type-value pairs, terminated with `MHD_OPTION_END'). It is mandatory to use `MHD_OPTION_END' as last argument, even when there are no additional arguments. Return `NULL' on error, handle to daemon on success. -- Function: int MHD_quiesce_daemon (struct MHD_Daemon *daemon) Stop accepting connections from the listening socket. Allows clients to continue processing, but stops accepting new connections. Note that the caller is responsible for closing the returned socket; however, if MHD is run using threads (anything but external select mode), it must not be closed until AFTER `MHD_stop_daemon' has been called (as it is theoretically possible that an existing thread is still using it). This function is useful in the special case that a listen socket is to be migrated to another process (i.e. a newer version of the HTTP server) while existing connections should continue to be processed until they are finished. Return `-1' on error (daemon not listening), the handle to the listen socket otherwise. -- Function: void MHD_stop_daemon (struct MHD_Daemon *daemon) Shutdown an HTTP daemon. -- Function: int MHD_run (struct MHD_Daemon *daemon) Run webserver operations (without blocking unless in client callbacks). This method should be called by clients in combination with `MHD_get_fdset()' if the client-controlled `select'-method is used. This function will work for external `poll' and `select' mode. However, if using external `select' mode, you may want to instead use `MHD_run_from_select', as it is more efficient. DAEMON daemon to process connections of Return `MHD_YES' on success, `MHD_NO' if this daemon was not started with the right options for this call. -- Function: int MHD_run_from_select (struct MHD_Daemon *daemon, const fd_set *read_fd_set, const fd_set *write_fd_set, const fd_set *except_fd_set) Run webserver operations given sets of ready socket handles. This method should be called by clients in combination with `MHD_get_fdset' if the client-controlled (external) select method is used. You can use this function instead of `MHD_run' if you called `select' on the result from `MHD_get_fdset'. File descriptors in the sets that are not controlled by MHD will be ignored. Calling this function instead of `MHD_run' is more efficient as MHD will not have to call `select' again to determine which operations are ready. DAEMON daemon to process connections of READ_FD_SET set of descriptors that must be ready for reading without blocking WRITE_FD_SET set of descriptors that must be ready for writing without blocking EXCEPT_FD_SET ignored, can be NULL Return `MHD_YES' on success, `MHD_NO' on serious internal errors. -- Function: void MHD_add_connection (struct MHD_Daemon *daemon, int client_socket, const struct sockaddr *addr, socklen_t addrlen) Add another client connection to the set of connections managed by MHD. This API is usually not needed (since MHD will accept inbound connections on the server socket). Use this API in special cases, for example if your HTTP server is behind NAT and needs to connect out to the HTTP client, or if you are building a proxy. If you use this API in conjunction with a internal select or a thread pool, you must set the option `MHD_USE_PIPE_FOR_SHUTDOWN' to ensure that the freshly added connection is immediately processed by MHD. The given client socket will be managed (and closed!) by MHD after this call and must no longer be used directly by the application afterwards. DAEMON daemon that manages the connection CLIENT_SOCKET socket to manage (MHD will expect to receive an HTTP request from this socket next). ADDR IP address of the client ADDRLEN number of bytes in addr This function will return `MHD_YES' on success, `MHD_NO' if this daemon could not handle the connection (i.e. malloc failed, etc). The socket will be closed in any case; 'errno' is set to indicate further details about the error.  File: libmicrohttpd.info, Node: microhttpd-inspect, Next: microhttpd-requests, Prev: microhttpd-init, Up: Top 6 Implementing external `select' ******************************** -- Function: int MHD_get_fdset (struct MHD_Daemon *daemon, fd_set * read_fd_set, fd_set * write_fd_set, fd_set * except_fd_set, int *max_fd) Obtain the `select()' sets for this daemon. The daemon's socket is added to READ_FD_SET. The list of currently existent connections is scanned and their file descriptors added to the correct set. After the call completed successfully: the variable referenced by MAX_FD references the file descriptor with highest integer identifier. The variable must be set to zero before invoking this function. Return `MHD_YES' on success, `MHD_NO' if: the arguments are invalid (example: `NULL' pointers); this daemon was not started with the right options for this call. -- Function: int MHD_get_timeout (struct MHD_Daemon *daemon, unsigned long long *timeout) Obtain timeout value for select for this daemon (only needed if connection timeout is used). The returned value is how long `select' should at most block, not the timeout value set for connections. This function must not be called if the `MHD_USE_THREAD_PER_CONNECTION' mode is in use (since then it is not meaningful to ask for a timeout, after all, there is concurrenct activity). The function must also not be called by user-code if `MHD_USE_INTERNAL_SELECT' is in use. In the latter case, the behavior is undefined. DAEMON which daemon to obtain the timeout from. TIMEOUT will be set to the timeout (in milliseconds). Return `MHD_YES' on success, `MHD_NO' if timeouts are not used (or no connections exist that would necessiate the use of a timeout right now).  File: libmicrohttpd.info, Node: microhttpd-requests, Next: microhttpd-responses, Prev: microhttpd-inspect, Up: Top 7 Handling requests ******************* -- Function: int MHD_get_connection_values (struct MHD_Connection *connection, enum MHD_ValueKind kind, MHD_KeyValueIterator iterator, void *iterator_cls) Get all the headers matching KIND from the request. The ITERATOR callback is invoked once for each header, with ITERATOR_CLS as first argument. After version 0.9.19, the headers are iterated in the same order as they were received from the network; previous versions iterated over the headers in reverse order. `MHD_get_connection_values' returns the number of entries iterated over; this can be less than the number of headers if, while iterating, ITERATOR returns `MHD_NO'. ITERATOR can be `NULL': in this case this function just counts and returns the number of headers. In the case of `MHD_GET_ARGUMENT_KIND', the VALUE argument will be `NULL' if the URL contained a key without an equals operator. For example, for a HTTP request to the URL "http://foo/bar?key", the VALUE argument is `NULL'; in contrast, a HTTP request to the URL "http://foo/bar?key=", the VALUE argument is the empty string. The normal case is that the URL contains "http://foo/bar?key=value" in which case VALUE would be the string "value" and KEY would contain the string "key". -- Function: int MHD_set_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char * key, const char * value) This function can be used to append an entry to the list of HTTP headers of a connection (so that the `MHD_get_connection_values function' will return them - and the MHD PostProcessor will also see them). This maybe required in certain situations (see Mantis #1399) where (broken) HTTP implementations fail to supply values needed by the post processor (or other parts of the application). This function MUST only be called from within the MHD_AccessHandlerCallback (otherwise, access maybe improperly synchronized). Furthermore, the client must guarantee that the key and value arguments are 0-terminated strings that are NOT freed until the connection is closed. (The easiest way to do this is by passing only arguments to permanently allocated strings.). CONNECTION is the connection for which the entry for KEY of the given KIND should be set to the given VALUE. The function returns `MHD_NO' if the operation could not be performed due to insufficient memory and `MHD_YES' on success. -- Function: const char * MHD_lookup_connection_value (struct MHD_Connection *connection, enum MHD_ValueKind kind, const char *key) Get a particular header value. If multiple values match the KIND, return one of them (the "first", whatever that means). KEY must reference a zero-terminated ASCII-coded string representing the header to look for: it is compared against the headers using `strcasecmp()', so case is ignored. A value of `NULL' for KEY can be used to lookup 'trailing' values without a key, for example if a URI is of the form "http://example.com/?trailer", a KEY of `NULL' can be used to access "tailer" The function returns `NULL' if no matching item was found.  File: libmicrohttpd.info, Node: microhttpd-responses, Next: microhttpd-flow, Prev: microhttpd-requests, Up: Top 8 Building responses to requests ******************************** Response objects handling by MHD is asynchronous with respect to the application execution flow. Instances of the `MHD_Response' structure are not associated to a daemon and neither to a client connection: they are managed with reference counting. In the simplest case: we allocate a new `MHD_Response' structure for each response, we use it once and finally we destroy it. MHD allows more efficient resources usages. Example: we allocate a new `MHD_Response' structure for each response *kind*, we use it every time we have to give that response and we finally destroy it only when the daemon shuts down. * Menu: * microhttpd-response enqueue:: Enqueuing a response. * microhttpd-response create:: Creating a response object. * microhttpd-response headers:: Adding headers to a response. * microhttpd-response inspect:: Inspecting a response object.  File: libmicrohttpd.info, Node: microhttpd-response enqueue, Next: microhttpd-response create, Up: microhttpd-responses 8.1 Enqueuing a response ======================== -- Function: int MHD_queue_response (struct MHD_Connection *connection, unsigned int status_code, struct MHD_Response *response) Queue a response to be transmitted to the client as soon as possible but only after MHD_AccessHandlerCallback returns. This function checks that it is legal to queue a response at this time for the given connection. It also increments the internal reference counter for the response object (the counter will be decremented automatically once the response has been transmitted). CONNECTION the connection identifying the client; STATUS_CODE HTTP status code (i.e. `200' for OK); RESPONSE response to transmit. Return `MHD_YES' on success or if message has been queued. Return `MHD_NO': if arguments are invalid (example: `NULL' pointer); on error (i.e. reply already sent). -- Function: void MHD_destroy_response (struct MHD_Response *response) Destroy a response object and associated resources (decrement the reference counter). Note that MHD may keep some of the resources around if the response is still in the queue for some clients, so the memory may not necessarily be freed immediately. An explanation of reference counting(1): 1. a `MHD_Response' object is allocated: struct MHD_Response * response = MHD_create_response_from_buffer(...); /* here: reference counter = 1 */ 2. the `MHD_Response' object is enqueued in a `MHD_Connection': MHD_queue_response(connection, , response); /* here: reference counter = 2 */ 3. the creator of the response object discharges responsibility for it: MHD_destroy_response(response); /* here: reference counter = 1 */ 4. the daemon handles the connection sending the response's data to the client then decrements the reference counter by calling `MHD_destroy_response()': the counter's value drops to zero and the `MHD_Response' object is released. ---------- Footnotes ---------- (1) Note to readers acquainted to the Tcl API: reference counting on `MHD_Connection' structures is handled in the same way as Tcl handles `Tcl_Obj' structures through `Tcl_IncrRefCount()' and `Tcl_DecrRefCount()'.  File: libmicrohttpd.info, Node: microhttpd-response create, Next: microhttpd-response headers, Prev: microhttpd-response enqueue, Up: microhttpd-responses 8.2 Creating a response object ============================== -- Function: struct MHD_Response * MHD_create_response_from_callback (uint64_t size, size_t block_size, MHD_ContentReaderCallback crc, void *crc_cls, MHD_ContentReaderFreeCallback crfc) Create a response object. The response object can be extended with header information and then it can be used any number of times. SIZE size of the data portion of the response, `-1' for unknown; BLOCK_SIZE preferred block size for querying CRC (advisory only, MHD may still call CRC using smaller chunks); this is essentially the buffer size used for IO, clients should pick a value that is appropriate for IO and memory performance requirements; CRC callback to use to obtain response data; CRC_CLS extra argument to CRC; CRFC callback to call to free CRC_CLS resources. Return `NULL' on error (i.e. invalid arguments, out of memory). -- Function: struct MHD_Response * MHD_create_response_from_fd (uint64_t size, int fd) Create a response object. The response object can be extended with header information and then it can be used any number of times. SIZE size of the data portion of the response (should be smaller or equal to the size of the file) FD file descriptor referring to a file on disk with the data; will be closed when response is destroyed; note that 'fd' must be an actual file descriptor (not a pipe or socket) since MHD might use 'sendfile' or 'seek' on it. The descriptor should be in blocking-IO mode. Return `NULL' on error (i.e. invalid arguments, out of memory). -- Function: struct MHD_Response * MHD_create_response_from_fd_at_offset (uint64_t size, int fd, off_t offset) Create a response object. The response object can be extended with header information and then it can be used any number of times. Note that you need to be a bit careful about `off_t' when writing this code. Depending on your platform, MHD is likely to have been compiled with support for 64-bit files. When you compile your own application, you must make sure that `off_t' is also a 64-bit value. If not, your compiler may pass a 32-bit value as `off_t', which will result in 32-bits of garbage. If you use the autotools, use the `AC_SYS_LARGEFILE' autoconf macro and make sure to include the generated `config.h' file before `microhttpd.h' to avoid problems. If you do not have a build system and only want to run on a GNU/Linux system, you could also use #define _FILE_OFFSET_BITS 64 #include #include #include #include to ensure 64-bit `off_t'. Note that if your operating system does not support 64-bit files, MHD will be compiled with a 32-bit `off_t' (in which case the above would be wrong). SIZE size of the data portion of the response (number of bytes to transmit from the file starting at offset). FD file descriptor referring to a file on disk with the data; will be closed when response is destroyed; note that 'fd' must be an actual file descriptor (not a pipe or socket) since MHD might use 'sendfile' or 'seek' on it. The descriptor should be in blocking-IO mode. OFFSET offset to start reading from in the file Return `NULL' on error (i.e. invalid arguments, out of memory). -- Function: struct MHD_Response * MHD_create_response_from_buffer (size_t size, void *data, enum MHD_ResponseMemoryMode mode) Create a response object. The response object can be extended with header information and then it can be used any number of times. SIZE size of the data portion of the response; BUFFER the data itself; MODE memory management options for buffer; use MHD_RESPMEM_PERSISTENT if the buffer is static/global memory, use MHD_RESPMEM_MUST_FREE if the buffer is heap-allocated and should be freed by MHD and MHD_RESPMEM_MUST_COPY if the buffer is in transient memory (i.e. on the stack) and must be copied by MHD; Return `NULL' on error (i.e. invalid arguments, out of memory). -- Function: struct MHD_Response * MHD_create_response_from_data (size_t size, void *data, int must_free, int must_copy) Create a response object. The response object can be extended with header information and then it can be used any number of times. This function is deprecated, use `MHD_create_response_from_buffer' instead. SIZE size of the data portion of the response; DATA the data itself; MUST_FREE if true: MHD should free data when done; MUST_COPY if true: MHD allocates a block of memory and use it to make a copy of DATA embedded in the returned `MHD_Response' structure; handling of the embedded memory is responsibility of MHD; DATA can be released anytime after this call returns. Return `NULL' on error (i.e. invalid arguments, out of memory). Example: create a response from a statically allocated string: const char * data = "

    Error!

    "; struct MHD_Connection * connection = ...; struct MHD_Response * response; response = MHD_create_response_from_buffer (strlen(data), data, MHD_RESPMEM_PERSISTENT); MHD_queue_response(connection, 404, response); MHD_destroy_response(response);  File: libmicrohttpd.info, Node: microhttpd-response headers, Next: microhttpd-response inspect, Prev: microhttpd-response create, Up: microhttpd-responses 8.3 Adding headers to a response ================================ -- Function: int MHD_add_response_header (struct MHD_Response *response, const char *header, const char *content) Add a header line to the response. The strings referenced by HEADER and CONTENT must be zero-terminated and they are duplicated into memory blocks embedded in RESPONSE. Notice that the strings must not hold newlines, carriage returns or tab chars. Return `MHD_NO' on error (i.e. invalid header or content format or memory allocation error). -- Function: int MHD_add_response_footer (struct MHD_Response *response, const char *footer, const char *content) Add a footer line to the response. The strings referenced by FOOTER and CONTENT must be zero-terminated and they are duplicated into memory blocks embedded in RESPONSE. Notice that the strings must not hold newlines, carriage returns or tab chars. You can add response footers at any time before signalling the end of the response to MHD (not just before calling 'MHD_queue_response'). Footers are useful for adding cryptographic checksums to the reply or to signal errors encountered during data generation. This call was introduced in MHD 0.9.3. Return `MHD_NO' on error (i.e. invalid header or content format or memory allocation error). -- Function: int MHD_del_response_header (struct MHD_Response *response, const char *header, const char *content) Delete a header (or footer) line from the response. Return `MHD_NO' on error (arguments are invalid or no such header known).  File: libmicrohttpd.info, Node: microhttpd-response inspect, Prev: microhttpd-response headers, Up: microhttpd-responses 8.4 Inspecting a response object ================================ -- Function: int MHD_get_response_headers (struct MHD_Response *response, MHD_KeyValueIterator iterator, void *iterator_cls) Get all of the headers added to a response. Invoke the ITERATOR callback for each header in the response, using ITERATOR_CLS as first argument. Return number of entries iterated over. ITERATOR can be `NULL': in this case the function just counts headers. ITERATOR should not modify the its key and value arguments, unless we know what we are doing. -- Function: const char * MHD_get_response_header (struct MHD_Response *response, const char *key) Find and return a pointer to the value of a particular header from the response. KEY must reference a zero-terminated string representing the header to look for. The search is case sensitive. Return `NULL' if header does not exist or KEY is `NULL'. We should not modify the value, unless we know what we are doing.  File: libmicrohttpd.info, Node: microhttpd-flow, Next: microhttpd-dauth, Prev: microhttpd-responses, Up: Top 9 Flow control. *************** Sometimes it may be possible that clients upload data faster than an application can process it, or that an application needs an extended period of time to generate a response. If `MHD_USE_THREAD_PER_CONNECTION' is used, applications can simply deal with this by performing their logic within the thread and thus effectively blocking connection processing by MHD. In all other modes, blocking logic must not be placed within the callbacks invoked by MHD as this would also block processing of other requests, as a single thread may be responsible for tens of thousands of connections. Instead, applications using thread modes other than `MHD_USE_THREAD_PER_CONNECTION' should use the following functions to perform flow control. -- Function: int MHD_suspend_connection (struct MHD_Connection *connection) Suspend handling of network data for a given connection. This can be used to dequeue a connection from MHD's event loop (external select, internal select or thread pool; not applicable to thread-per-connection!) for a while. If you use this API in conjunction with a internal select or a thread pool, you must set the option `MHD_USE_SUSPEND_RESUME' to ensure that a resumed connection is immediately processed by MHD. Suspended connections continue to count against the total number of connections allowed (per daemon, as well as per IP, if such limits are set). Suspended connections will NOT time out; timeouts will restart when the connection handling is resumed. While a connection is suspended, MHD will not detect disconnects by the client. The only safe time to suspend a connection is from the `MHD_AccessHandlerCallback'. Finally, it is an API violation to call `MHD_stop_daemon' while having suspended connections (this will at least create memory and socket leaks or lead to undefined behavior). You must explicitly resume all connections before stopping the daemon. CONNECTION the connection to suspend -- Function: int MHD_resume_connection (struct MHD_Connection *connection) Resume handling of network data for suspended connection. It is safe to resume a suspended connection at any time. Calling this function on a connection that was not previously suspended will result in undefined behavior. CONNECTION the connection to resume  File: libmicrohttpd.info, Node: microhttpd-dauth, Next: microhttpd-post, Prev: microhttpd-flow, Up: Top 10 Utilizing Authentication *************************** MHD support three types of client authentication. Basic authentication uses a simple authentication method based on BASE64 algorithm. Username and password are exchanged in clear between the client and the server, so this method must only be used for non-sensitive content or when the session is protected with https. When using basic authentication MHD will have access to the clear password, possibly allowing to create a chained authentication toward an external authentication server. Digest authentication uses a one-way authentication method based on MD5 hash algorithm. Only the hash will transit over the network, hence protecting the user password. The nonce will prevent replay attacks. This method is appropriate for general use, especially when https is not used to encrypt the session. Client certificate authentication uses a X.509 certificate from the client. This is the strongest authentication mechanism but it requires the use of HTTPS. Client certificate authentication can be used simultaneously with Basic or Digest Authentication in order to provide a two levels authentication (like for instance separate machine and user authentication). A code example for using client certificates is presented in the MHD tutorial. * Menu: * microhttpd-dauth basic:: Using Basic Authentication. * microhttpd-dauth digest:: Using Digest Authentication.  File: libmicrohttpd.info, Node: microhttpd-dauth basic, Next: microhttpd-dauth digest, Up: microhttpd-dauth 10.1 Using Basic Authentication =============================== -- Function: char * MHD_basic_auth_get_username_password (struct MHD_Connection *connection, char** password) Get the username and password from the basic authorization header sent by the client. Return `NULL' if no username could be found, a pointer to the username if found. If returned value is not `NULL', the value must be `free()''ed. PASSWORD reference a buffer to store the password. It can be `NULL'. If returned value is not `NULL', the value must be `free()''ed. -- Function: int MHD_queue_basic_auth_fail_response (struct MHD_Connection *connection, const char *realm, struct MHD_Response *response) Queues a response to request basic authentication from the client. Return `MHD_YES' if successful, otherwise `MHD_NO'. REALM must reference to a zero-terminated string representing the realm. RESPONSE a response structure to specify what shall be presented to the client with a 401 HTTP status.  File: libmicrohttpd.info, Node: microhttpd-dauth digest, Prev: microhttpd-dauth basic, Up: microhttpd-dauth 10.2 Using Digest Authentication ================================ -- Function: char * MHD_digest_auth_get_username (struct MHD_Connection *connection) Find and return a pointer to the username value from the request header. Return `NULL' if the value is not found or header does not exist. If returned value is not `NULL', the value must be `free()''ed. -- Function: int MHD_digest_auth_check (struct MHD_Connection *connection, const char *realm, const char *username, const char *password, unsigned int nonce_timeout) Checks if the provided values in the WWW-Authenticate header are valid and sound according to RFC2716. If valid return `MHD_YES', otherwise return `MHD_NO'. REALM must reference to a zero-terminated string representing the realm. USERNAME must reference to a zero-terminated string representing the username, it is usually the returned value from MHD_digest_auth_get_username. PASSWORD must reference to a zero-terminated string representing the password, most probably it will be the result of a lookup of the username against a local database. NONCE_TIMEOUT is the amount of time in seconds for a nonce to be invalid. Most of the time it is sound to specify 300 seconds as its values. -- Function: int MHD_queue_auth_fail_response (struct MHD_Connection *connection, const char *realm, const char *opaque, struct MHD_Response *response, int signal_stale) Queues a response to request authentication from the client, return `MHD_YES' if successful, otherwise `MHD_NO'. REALM must reference to a zero-terminated string representing the realm. OPAQUE must reference to a zero-terminated string representing a value that gets passed to the client and expected to be passed again to the server as-is. This value can be a hexadecimal or base64 string. RESPONSE a response structure to specify what shall be presented to the client with a 401 HTTP status. SIGNAL_STALE a value that signals "stale=true" in the response header to indicate the invalidity of the nonce and no need to ask for authentication parameters and only a new nonce gets generated. `MHD_YES' to generate a new nonce, `MHD_NO' to ask for authentication parameters. Example: handling digest authentication requests and responses. #define PAGE "libmicrohttpd demoAccess granted" #define DENIED "libmicrohttpd demoAccess denied" #define OPAQUE "11733b200778ce33060f31c9af70a870ba96ddd4" static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **ptr) { struct MHD_Response *response; char *username; const char *password = "testpass"; const char *realm = "test@example.com"; int ret; username = MHD_digest_auth_get_username(connection); if (username == NULL) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response, MHD_NO); MHD_destroy_response(response); return ret; } ret = MHD_digest_auth_check(connection, realm, username, password, 300); free(username); if ( (ret == MHD_INVALID_NONCE) || (ret == MHD_NO) ) { response = MHD_create_response_from_buffer(strlen (DENIED), DENIED, MHD_RESPMEM_PERSISTENT); if (NULL == response) return MHD_NO; ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO); MHD_destroy_response(response); return ret; } response = MHD_create_response_from_buffer (strlen(PAGE), PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response(connection, MHD_HTTP_OK, response); MHD_destroy_response(response); return ret; }  File: libmicrohttpd.info, Node: microhttpd-post, Next: microhttpd-info, Prev: microhttpd-dauth, Up: Top 11 Adding a `POST' processor **************************** * Menu: * microhttpd-post api:: Programming interface for the `POST' processor. MHD provides the post processor API to make it easier for applications to parse the data of a client's `POST' request: the `MHD_AccessHandlerCallback' will be invoked multiple times to process data as it arrives; at each invocation a new chunk of data must be processed. The arguments UPLOAD_DATA and UPLOAD_DATA_SIZE are used to reference the chunk of data. When `MHD_AccessHandlerCallback' is invoked for a new connection: its `*CON_CLS' argument is set to `NULL'. When `POST' data comes in the upload buffer it is *mandatory* to use the CON_CLS to store a reference to per-connection data. The fact that the pointer was initially `NULL' can be used to detect that this is a new request. One method to detect that a new connection was established is to set `*con_cls' to an unused integer: int access_handler (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { static int old_connection_marker; int new_connection = (NULL == *con_cls); if (new_connection) { /* new connection with POST */ *con_cls = &old_connection_marker; } ... } In contrast to the previous example, for `POST' requests in particular, it is more common to use the value of `*con_cls' to keep track of actual state used during processing, such as the post processor (or a struct containing a post processor): int access_handler (void *cls, struct MHD_Connection * connection, const char *url, const char *method, const char *version, const char *upload_data, size_t *upload_data_size, void **con_cls) { struct MHD_PostProcessor * pp = *con_cls; if (pp == NULL) { pp = MHD_create_post_processor(connection, ...); *con_cls = pp; return MHD_YES; } if (*upload_data_size) { MHD_post_process(pp, upload_data, *upload_data_size); *upload_data_size = 0; return MHD_YES; } else { MHD_destroy_post_processor(pp); return MHD_queue_response(...); } } Note that the callback from `MHD_OPTION_NOTIFY_COMPLETED' should be used to destroy the post processor. This cannot be done inside of the access handler since the connection may not always terminate normally.  File: libmicrohttpd.info, Node: microhttpd-post api, Up: microhttpd-post 11.1 Programming interface for the `POST' processor =================================================== -- Function: struct MHD_PostProcessor * MHD_create_post_processor (struct MHD_Connection *connection, size_t buffer_size, MHD_PostDataIterator iterator, void *iterator_cls) Create a PostProcessor. A PostProcessor can be used to (incrementally) parse the data portion of a `POST' request. CONNECTION the connection on which the `POST' is happening (used to determine the `POST' format); BUFFER_SIZE maximum number of bytes to use for internal buffering (used only for the parsing, specifically the parsing of the keys). A tiny value (256-1024) should be sufficient; do *NOT* use a value smaller than 256; for good performance, use 32k or 64k (i.e. 65536). ITERATOR iterator to be called with the parsed data; must *NOT* be `NULL'; ITERATOR_CLS custom value to be used as first argument to ITERATOR. Return `NULL' on error (out of memory, unsupported encoding), otherwise a PP handle. -- Function: int MHD_post_process (struct MHD_PostProcessor *pp, const char *post_data, size_t post_data_len) Parse and process `POST' data. Call this function when `POST' data is available (usually during an `MHD_AccessHandlerCallback') with the UPLOAD_DATA and UPLOAD_DATA_SIZE. Whenever possible, this will then cause calls to the `MHD_IncrementalKeyValueIterator'. PP the post processor; POST_DATA POST_DATA_LEN bytes of `POST' data; POST_DATA_LEN length of POST_DATA. Return `MHD_YES' on success, `MHD_NO' on error (out-of-memory, iterator aborted, parse error). -- Function: int MHD_destroy_post_processor (struct MHD_PostProcessor *pp) Release PostProcessor resources. After this function is being called, the PostProcessor is guaranteed to no longer call its iterator. There is no special call to the iterator to indicate the end of the post processing stream. After destroying the PostProcessor, the programmer should perform any necessary work to complete the processing of the iterator. Return `MHD_YES' if processing completed nicely, `MHD_NO' if there were spurious characters or formatting problems with the post request. It is common to ignore the return value of this function.  File: libmicrohttpd.info, Node: microhttpd-info, Next: GNU-LGPL, Prev: microhttpd-post, Up: Top 12 Obtaining and modifying status information. ********************************************** * Menu: * microhttpd-info daemon:: State information about an MHD daemon * microhttpd-info conn:: State information about a connection * microhttpd-option conn:: Modify per-connection options  File: libmicrohttpd.info, Node: microhttpd-info daemon, Next: microhttpd-info conn, Up: microhttpd-info 12.1 Obtaining state information about an MHD daemon ==================================================== -- Function: const union MHD_DaemonInfo * MHD_get_daemon_info (struct MHD_Daemon *daemon, enum MHD_DaemonInfoType infoType, ...) Obtain information about the given daemon. This function is currently not fully implemented. DAEMON the daemon about which information is desired; INFOTYPE type of information that is desired ... additional arguments about the desired information (depending on infoType) Returns a union with the respective member (depending on infoType) set to the desired information), or `NULL' in case the desired information is not available or applicable. -- Enumeration: MHD_DaemonInfoType Values of this enum are used to specify what information about a daemon is desired. `MHD_DAEMON_INFO_KEY_SIZE' Request information about the key size for a particular cipher algorithm. The cipher algorithm should be passed as an extra argument (of type 'enum MHD_GNUTLS_CipherAlgorithm'). No longer supported, using this value will cause MHD_get_daemon_info to return NULL. `MHD_DAEMON_INFO_MAC_KEY_SIZE' Request information about the key size for a particular cipher algorithm. The cipher algorithm should be passed as an extra argument (of type 'enum MHD_GNUTLS_HashAlgorithm'). No longer supported, using this value will cause MHD_get_daemon_info to return NULL. `MHD_DAEMON_INFO_LISTEN_FD' Request the file-descriptor number that MHD is using to listen to the server socket. This can be useful if no port was specified and a client needs to learn what port is actually being used by MHD. No extra arguments should be passed. `MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY' Request the file-descriptor number that MHD is using for epoll. If the build is not supporting epoll, NULL is returned; if we are using a thread pool or this daemon was not started with MHD_USE_EPOLL_LINUX_ONLY, (a pointer to) -1 is returned. If we are using MHD_USE_SELECT_INTERNALLY or are in 'external' select mode, the internal epoll FD is returned. This function must be used in external select mode with epoll to obtain the FD to call epoll on. No extra arguments should be passed.  File: libmicrohttpd.info, Node: microhttpd-info conn, Next: microhttpd-option conn, Prev: microhttpd-info daemon, Up: microhttpd-info 12.2 Obtaining state information about a connection =================================================== -- Function: const union MHD_ConnectionInfo * MHD_get_connection_info (struct MHD_Connection *daemon, enum MHD_ConnectionInfoType infoType, ...) Obtain information about the given connection. CONNECTION the connection about which information is desired; INFOTYPE type of information that is desired ... additional arguments about the desired information (depending on infoType) Returns a union with the respective member (depending on infoType) set to the desired information), or `NULL' in case the desired information is not available or applicable. -- Enumeration: MHD_ConnectionInfoType Values of this enum are used to specify what information about a connection is desired. `MHD_CONNECTION_INFO_CIPHER_ALGO' What cipher algorithm is being used (HTTPS connections only). Takes no extra arguments. `NULL' is returned for non-HTTPS connections. `MHD_CONNECTION_INFO_PROTOCOL,' Takes no extra arguments. Allows finding out the TLS/SSL protocol used (HTTPS connections only). `NULL' is returned for non-HTTPS connections. `MHD_CONNECTION_INFO_CLIENT_ADDRESS' Returns information about the address of the client. Returns essentially a `struct sockaddr **' (since the API returns a `union MHD_ConnectionInfo *' and that union contains a `struct sockaddr *'). `MHD_CONNECTION_INFO_GNUTLS_SESSION,' Takes no extra arguments. Allows access to the underlying GNUtls session, including access to the underlying GNUtls client certificate (HTTPS connections only). Takes no extra arguments. `NULL' is returned for non-HTTPS connections. `MHD_CONNECTION_INFO_GNUTLS_CLIENT_CERT,' Dysfunctional (never implemented, deprecated). Use MHD_CONNECTION_INFO_GNUTLS_SESSION to get the `gnutls_session_t' and then call `gnutls_certificate_get_peers()'. `MHD_CONNECTION_INFO_DAEMON' Returns information about `struct MHD_Daemon' which manages this connection. `MHD_CONNECTION_INFO_CONNECTION_FD' Returns the file descriptor (usually a TCP socket) associated with this connection (in the "connect-fd" member of the returned struct). Note that manipulating the descriptor directly can have problematic consequences (as in, break HTTP). Applications might use this access to manipulate TCP options, for example to set the "TCP-NODELAY" option for COMET-like applications. Note that MHD will set TCP-CORK after sending the HTTP header and clear it after finishing the footers automatically (if the platform supports it). As the connection callbacks are invoked in between, those might be used to set different values for TCP-CORK and TCP-NODELAY in the meantime.  File: libmicrohttpd.info, Node: microhttpd-option conn, Prev: microhttpd-info conn, Up: microhttpd-info 12.3 Setting custom options for an individual connection ======================================================== -- Function: int MHD_set_connection_option (struct MHD_Connection *daemon, enum MHD_CONNECTION_OPTION option, ...) Set a custom option for the given connection. CONNECTION the connection for which an option should be set or modified; OPTION option to set ... additional arguments for the option (depending on option) Returns `MHD_YES' on success, `MHD_NO' for errors (i.e. option argument invalid or option unknown). -- Enumeration: MHD_CONNECTION_OPTION Values of this enum are used to specify which option for a connection should be changed. `MHD_CONNECTION_OPTION_TIMEOUT' Set a custom timeout for the given connection. Specified as the number of seconds, given as an `unsigned int'. Use zero for no timeout.  File: libmicrohttpd.info, Node: GNU-LGPL, Next: GNU GPL with eCos Extension, Prev: microhttpd-info, Up: Top GNU-LGPL ******** Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the Lesser GPL. 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Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 6. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 7. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 8. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 9. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 10. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 11. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 12. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 13. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. ECOS EXTENSION 14. As a special exception, if other files instantiate templates or use macros or inline functions from this file, or you compile this file and link it with other works to produce a work based on this file, this file does not by itself cause the resulting work to be covered by the GNU General Public License. However the source code for this file must still be made available in accordance with section (3) of the GNU General Public License v2. This exception does not invalidate any other reasons why a work based on this file might be covered by the GNU General Public License. END OF TERMS AND CONDITIONS --------------------------- How to Apply These Terms to Your New Programs ============================================= If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. ONE LINE TO GIVE THE PROGRAM'S NAME AND AN IDEA OF WHAT IT DOES. Copyright (C) 19YY NAME OF AUTHOR This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) 19YY NAME OF AUTHOR Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. SIGNATURE OF TY COON, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License.  File: libmicrohttpd.info, Node: GNU-FDL, Next: Concept Index, Prev: GNU GPL with eCos Extension, Up: Top GNU-FDL ******* Version 1.3, 3 November 2008 Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. `http://fsf.org/' Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 0. PREAMBLE The purpose of this License is to make a manual, textbook, or other functional and useful document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others. This License is a kind of "copyleft", which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software. We have designed this License in order to use it for manuals for free software, because free software needs free documentation: a free program should come with manuals providing the same freedoms that the software does. But this License is not limited to software manuals; it can be used for any textual work, regardless of subject matter or whether it is published as a printed book. We recommend this License principally for works whose purpose is instruction or reference. 1. APPLICABILITY AND DEFINITIONS This License applies to any manual or other work, in any medium, that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. Such a notice grants a world-wide, royalty-free license, unlimited in duration, to use that work under the conditions stated herein. The "Document", below, refers to any such manual or work. Any member of the public is a licensee, and is addressed as "you". You accept the license if you copy, modify or distribute the work in a way requiring permission under copyright law. A "Modified Version" of the Document means any work containing the Document or a portion of it, either copied verbatim, or with modifications and/or translated into another language. A "Secondary Section" is a named appendix or a front-matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document's overall subject (or to related matters) and contains nothing that could fall directly within that overall subject. (Thus, if the Document is in part a textbook of mathematics, a Secondary Section may not explain any mathematics.) The relationship could be a matter of historical connection with the subject or with related matters, or of legal, commercial, philosophical, ethical or political position regarding them. The "Invariant Sections" are certain Secondary Sections whose titles are designated, as being those of Invariant Sections, in the notice that says that the Document is released under this License. If a section does not fit the above definition of Secondary then it is not allowed to be designated as Invariant. The Document may contain zero Invariant Sections. If the Document does not identify any Invariant Sections then there are none. The "Cover Texts" are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says that the Document is released under this License. A Front-Cover Text may be at most 5 words, and a Back-Cover Text may be at most 25 words. A "Transparent" copy of the Document means a machine-readable copy, represented in a format whose specification is available to the general public, that is suitable for revising the document straightforwardly with generic text editors or (for images composed of pixels) generic paint programs or (for drawings) some widely available drawing editor, and that is suitable for input to text formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification by readers is not Transparent. An image format is not Transparent if used for any substantial amount of text. A copy that is not "Transparent" is called "Opaque". Examples of suitable formats for Transparent copies include plain ASCII without markup, Texinfo input format, LaTeX input format, SGML or XML using a publicly available DTD, and standard-conforming simple HTML, PostScript or PDF designed for human modification. Examples of transparent image formats include PNG, XCF and JPG. Opaque formats include proprietary formats that can be read and edited only by proprietary word processors, SGML or XML for which the DTD and/or processing tools are not generally available, and the machine-generated HTML, PostScript or PDF produced by some word processors for output purposes only. The "Title Page" means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the material this License requires to appear in the title page. For works in formats which do not have any title page as such, "Title Page" means the text near the most prominent appearance of the work's title, preceding the beginning of the body of the text. The "publisher" means any person or entity that distributes copies of the Document to the public. A section "Entitled XYZ" means a named subunit of the Document whose title either is precisely XYZ or contains XYZ in parentheses following text that translates XYZ in another language. (Here XYZ stands for a specific section name mentioned below, such as "Acknowledgements", "Dedications", "Endorsements", or "History".) To "Preserve the Title" of such a section when you modify the Document means that it remains a section "Entitled XYZ" according to this definition. The Document may include Warranty Disclaimers next to the notice which states that this License applies to the Document. These Warranty Disclaimers are considered to be included by reference in this License, but only as regards disclaiming warranties: any other implication that these Warranty Disclaimers may have is void and has no effect on the meaning of this License. 2. VERBATIM COPYING You may copy and distribute the Document in any medium, either commercially or noncommercially, provided that this License, the copyright notices, and the license notice saying this License applies to the Document are reproduced in all copies, and that you add no other conditions whatsoever to those of this License. You may not use technical measures to obstruct or control the reading or further copying of the copies you make or distribute. However, you may accept compensation in exchange for copies. If you distribute a large enough number of copies you must also follow the conditions in section 3. You may also lend copies, under the same conditions stated above, and you may publicly display copies. 3. COPYING IN QUANTITY If you publish printed copies (or copies in media that commonly have printed covers) of the Document, numbering more than 100, and the Document's license notice requires Cover Texts, you must enclose the copies in covers that carry, clearly and legibly, all these Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the back cover. Both covers must also clearly and legibly identify you as the publisher of these copies. The front cover must present the full title with all words of the title equally prominent and visible. You may add other material on the covers in addition. Copying with changes limited to the covers, as long as they preserve the title of the Document and satisfy these conditions, can be treated as verbatim copying in other respects. If the required texts for either cover are too voluminous to fit legibly, you should put the first ones listed (as many as fit reasonably) on the actual cover, and continue the rest onto adjacent pages. If you publish or distribute Opaque copies of the Document numbering more than 100, you must either include a machine-readable Transparent copy along with each Opaque copy, or state in or with each Opaque copy a computer-network location from which the general network-using public has access to download using public-standard network protocols a complete Transparent copy of the Document, free of added material. If you use the latter option, you must take reasonably prudent steps, when you begin distribution of Opaque copies in quantity, to ensure that this Transparent copy will remain thus accessible at the stated location until at least one year after the last time you distribute an Opaque copy (directly or through your agents or retailers) of that edition to the public. It is requested, but not required, that you contact the authors of the Document well before redistributing any large number of copies, to give them a chance to provide you with an updated version of the Document. 4. MODIFICATIONS You may copy and distribute a Modified Version of the Document under the conditions of sections 2 and 3 above, provided that you release the Modified Version under precisely this License, with the Modified Version filling the role of the Document, thus licensing distribution and modification of the Modified Version to whoever possesses a copy of it. In addition, you must do these things in the Modified Version: A. Use in the Title Page (and on the covers, if any) a title distinct from that of the Document, and from those of previous versions (which should, if there were any, be listed in the History section of the Document). You may use the same title as a previous version if the original publisher of that version gives permission. B. List on the Title Page, as authors, one or more persons or entities responsible for authorship of the modifications in the Modified Version, together with at least five of the principal authors of the Document (all of its principal authors, if it has fewer than five), unless they release you from this requirement. C. State on the Title page the name of the publisher of the Modified Version, as the publisher. D. Preserve all the copyright notices of the Document. E. Add an appropriate copyright notice for your modifications adjacent to the other copyright notices. F. Include, immediately after the copyright notices, a license notice giving the public permission to use the Modified Version under the terms of this License, in the form shown in the Addendum below. G. Preserve in that license notice the full lists of Invariant Sections and required Cover Texts given in the Document's license notice. H. Include an unaltered copy of this License. I. Preserve the section Entitled "History", Preserve its Title, and add to it an item stating at least the title, year, new authors, and publisher of the Modified Version as given on the Title Page. If there is no section Entitled "History" in the Document, create one stating the title, year, authors, and publisher of the Document as given on its Title Page, then add an item describing the Modified Version as stated in the previous sentence. J. Preserve the network location, if any, given in the Document for public access to a Transparent copy of the Document, and likewise the network locations given in the Document for previous versions it was based on. These may be placed in the "History" section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission. K. For any section Entitled "Acknowledgements" or "Dedications", Preserve the Title of the section, and preserve in the section all the substance and tone of each of the contributor acknowledgements and/or dedications given therein. L. Preserve all the Invariant Sections of the Document, unaltered in their text and in their titles. Section numbers or the equivalent are not considered part of the section titles. M. Delete any section Entitled "Endorsements". Such a section may not be included in the Modified Version. N. Do not retitle any existing section to be Entitled "Endorsements" or to conflict in title with any Invariant Section. O. Preserve any Warranty Disclaimers. If the Modified Version includes new front-matter sections or appendices that qualify as Secondary Sections and contain no material copied from the Document, you may at your option designate some or all of these sections as invariant. To do this, add their titles to the list of Invariant Sections in the Modified Version's license notice. These titles must be distinct from any other section titles. You may add a section Entitled "Endorsements", provided it contains nothing but endorsements of your Modified Version by various parties--for example, statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard. You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover Text may be added by (or through arrangements made by) any one entity. If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one. The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version. 5. COMBINING DOCUMENTS You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers. The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work. In the combination, you must combine any sections Entitled "History" in the various original documents, forming one section Entitled "History"; likewise combine any sections Entitled "Acknowledgements", and any sections Entitled "Dedications". You must delete all sections Entitled "Endorsements." 6. COLLECTIONS OF DOCUMENTS You may make a collection consisting of the Document and other documents released under this License, and replace the individual copies of this License in the various documents with a single copy that is included in the collection, provided that you follow the rules of this License for verbatim copying of each of the documents in all other respects. You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document. 7. AGGREGATION WITH INDEPENDENT WORKS A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, is called an "aggregate" if the copyright resulting from the compilation is not used to limit the legal rights of the compilation's users beyond what the individual works permit. When the Document is included in an aggregate, this License does not apply to the other works in the aggregate which are not themselves derivative works of the Document. If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one half of the entire aggregate, the Document's Cover Texts may be placed on covers that bracket the Document within the aggregate, or the electronic equivalent of covers if the Document is in electronic form. Otherwise they must appear on printed covers that bracket the whole aggregate. 8. TRANSLATION Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License, and all the license notices in the Document, and any Warranty Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers. In case of a disagreement between the translation and the original version of this License or a notice or disclaimer, the original version will prevail. If a section in the Document is Entitled "Acknowledgements", "Dedications", or "History", the requirement (section 4) to Preserve its Title (section 1) will typically require changing the actual title. 9. TERMINATION You may not copy, modify, sublicense, or distribute the Document except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense, or distribute it is void, and will automatically terminate your rights under this License. However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation. Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice. Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, receipt of a copy of some or all of the same material does not give you any rights to use it. 10. FUTURE REVISIONS OF THIS LICENSE The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See `http://www.gnu.org/copyleft/'. Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License "or any later version" applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation. If the Document specifies that a proxy can decide which future versions of this License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Document. 11. RELICENSING "Massive Multiauthor Collaboration Site" (or "MMC Site") means any World Wide Web server that publishes copyrightable works and also provides prominent facilities for anybody to edit those works. A public wiki that anybody can edit is an example of such a server. A "Massive Multiauthor Collaboration" (or "MMC") contained in the site means any set of copyrightable works thus published on the MMC site. "CC-BY-SA" means the Creative Commons Attribution-Share Alike 3.0 license published by Creative Commons Corporation, a not-for-profit corporation with a principal place of business in San Francisco, California, as well as future copyleft versions of that license published by that same organization. "Incorporate" means to publish or republish a Document, in whole or in part, as part of another Document. An MMC is "eligible for relicensing" if it is licensed under this License, and if all works that were first published under this License somewhere other than this MMC, and subsequently incorporated in whole or in part into the MMC, (1) had no cover texts or invariant sections, and (2) were thus incorporated prior to November 1, 2008. The operator of an MMC Site may republish an MMC contained in the site under CC-BY-SA on the same site at any time before August 1, 2009, provided the MMC is eligible for relicensing. ADDENDUM: How to use this License for your documents ==================================================== To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page: Copyright (C) YEAR YOUR NAME. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the "with...Texts." line with this: with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST. If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation. If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.  File: libmicrohttpd.info, Node: Concept Index, Next: Function and Data Index, Prev: GNU-FDL, Up: Top Concept Index ************* [index] * Menu: * ARM: microhttpd-intro. (line 232) * bind, restricting bind: microhttpd-const. (line 201) * cipher: microhttpd-const. (line 264) * clock: microhttpd-const. (line 88) * compilation: microhttpd-intro. (line 112) * connection, limiting number of connections: microhttpd-const. (line 146) * cookie: microhttpd-const. (line 399) * cortex m3: microhttpd-intro. (line 232) * date: microhttpd-const. (line 88) * debugging: microhttpd-const. (line 24) * digest auth: microhttpd-const. (line 272) * eCos, GNU General Public License with eCos Extension: GNU GPL with eCos Extension. (line 6) * embedded systems <1>: microhttpd-const. (line 88) * embedded systems: microhttpd-intro. (line 112) * epoll <1>: microhttpd-info daemon. (line 50) * epoll <2>: microhttpd-const. (line 76) * epoll: microhttpd-intro. (line 59) * escaping: microhttpd-const. (line 353) * FD_SETSIZE: microhttpd-const. (line 68) * foreign-function interface: microhttpd-const. (line 331) * GPL, GNU General Public License: GNU GPL with eCos Extension. (line 6) * IAR: microhttpd-intro. (line 232) * internationalization: microhttpd-const. (line 353) * IPv6: microhttpd-const. (line 43) * license <1>: GNU-FDL. (line 6) * license <2>: GNU GPL with eCos Extension. (line 6) * license: GNU-LGPL. (line 6) * listen <1>: microhttpd-info daemon. (line 43) * listen: microhttpd-const. (line 95) * logging: microhttpd-const. (line 212) * long long: microhttpd-intro. (line 232) * memory: microhttpd-const. (line 138) * memory, limiting memory utilization: microhttpd-const. (line 130) * MHD_LONG_LONG: microhttpd-intro. (line 232) * microhttpd.h: microhttpd-intro. (line 172) * options: microhttpd-const. (line 331) * performance <1>: microhttpd-const. (line 323) * performance: microhttpd-intro. (line 83) * poll <1>: microhttpd-init. (line 75) * poll <2>: microhttpd-const. (line 68) * poll: microhttpd-intro. (line 59) * portability: microhttpd-intro. (line 112) * POST method <1>: microhttpd-post api. (line 6) * POST method <2>: microhttpd-post. (line 6) * POST method <3>: microhttpd-cb. (line 50) * POST method <4>: microhttpd-struct. (line 19) * POST method: microhttpd-const. (line 403) * proxy: microhttpd-const. (line 95) * pthread: microhttpd-const. (line 369) * PUT method: microhttpd-cb. (line 50) * query string: microhttpd-const. (line 212) * quiesce <1>: microhttpd-init. (line 51) * quiesce: microhttpd-const. (line 102) * random: microhttpd-const. (line 272) * replay attack: microhttpd-const. (line 283) * select <1>: microhttpd-init. (line 75) * select <2>: microhttpd-const. (line 68) * select: microhttpd-intro. (line 59) * signals: microhttpd-intro. (line 193) * SSL: microhttpd-const. (line 32) * stack: microhttpd-const. (line 369) * systemd: microhttpd-const. (line 305) * thread: microhttpd-const. (line 369) * timeout <1>: microhttpd-option conn. (line 6) * timeout <2>: microhttpd-inspect. (line 24) * timeout: microhttpd-const. (line 174) * TLS: microhttpd-const. (line 32)  File: libmicrohttpd.info, Node: Function and Data Index, Next: Type Index, Prev: Concept Index, Up: Top Function and Data Index *********************** [index] * Menu: * *MHD_AcceptPolicyCallback: microhttpd-cb. (line 8) * *MHD_AccessHandlerCallback: microhttpd-cb. (line 25) * *MHD_ContentReaderCallback: microhttpd-cb. (line 120) * *MHD_ContentReaderFreeCallback: microhttpd-cb. (line 166) * *MHD_KeyValueIterator: microhttpd-cb. (line 110) * *MHD_PostDataIterator: microhttpd-cb. (line 174) * *MHD_RequestCompletedCallback: microhttpd-cb. (line 91) * MHD_add_connection: microhttpd-init. (line 122) * MHD_add_response_footer: microhttpd-response headers. (line 20) * MHD_add_response_header: microhttpd-response headers. (line 8) * MHD_basic_auth_get_username_password: microhttpd-dauth basic. (line 8) * MHD_create_post_processor: microhttpd-post api. (line 9) * MHD_create_response_from_buffer: microhttpd-response create. (line 93) * MHD_create_response_from_callback: microhttpd-response create. (line 9) * MHD_create_response_from_data: microhttpd-response create. (line 114) * MHD_create_response_from_fd: microhttpd-response create. (line 34) * MHD_create_response_from_fd_at_offset: microhttpd-response create. (line 53) * MHD_del_response_header: microhttpd-response headers. (line 37) * MHD_destroy_post_processor: microhttpd-post api. (line 55) * MHD_destroy_response: microhttpd-response enqueue. (line 30) * MHD_digest_auth_check: microhttpd-dauth digest. (line 16) * MHD_digest_auth_get_username: microhttpd-dauth digest. (line 8) * MHD_get_connection_info: microhttpd-info conn. (line 9) * MHD_get_connection_values: microhttpd-requests. (line 9) * MHD_get_daemon_info: microhttpd-info daemon. (line 8) * MHD_get_fdset: microhttpd-inspect. (line 9) * MHD_get_response_header: microhttpd-response inspect. (line 20) * MHD_get_response_headers: microhttpd-response inspect. (line 8) * MHD_get_timeout: microhttpd-inspect. (line 24) * MHD_lookup_connection_value: microhttpd-requests. (line 59) * MHD_post_process: microhttpd-post api. (line 35) * MHD_queue_auth_fail_response: microhttpd-dauth digest. (line 38) * MHD_queue_basic_auth_fail_response: microhttpd-dauth basic. (line 20) * MHD_queue_response: microhttpd-response enqueue. (line 9) * MHD_quiesce_daemon: microhttpd-init. (line 51) * MHD_resume_connection: microhttpd-flow. (line 51) * MHD_run: microhttpd-init. (line 72) * MHD_run_from_select: microhttpd-init. (line 90) * MHD_set_connection_option: microhttpd-option conn. (line 8) * MHD_set_connection_value: microhttpd-requests. (line 36) * MHD_set_panic_func: microhttpd-init. (line 7) * MHD_start_daemon: microhttpd-init. (line 21) * MHD_stop_daemon: microhttpd-init. (line 69) * MHD_suspend_connection: microhttpd-flow. (line 22)  File: libmicrohttpd.info, Node: Type Index, Prev: Function and Data Index, Up: Top Type Index ********** [index] * Menu: * MHD_Connection: microhttpd-struct. (line 10) * MHD_CONNECTION_OPTION: microhttpd-option conn. (line 23) * MHD_ConnectionInfo: microhttpd-struct. (line 22) * MHD_ConnectionInfoType: microhttpd-info conn. (line 26) * MHD_Daemon: microhttpd-struct. (line 7) * MHD_DaemonInfo: microhttpd-struct. (line 25) * MHD_DaemonInfoType: microhttpd-info daemon. (line 26) * MHD_FLAG: microhttpd-const. (line 7) * MHD_OPTION: microhttpd-const. (line 122) * MHD_OptionItem: microhttpd-const. (line 376) * MHD_PostProcessor: microhttpd-struct. (line 19) * MHD_RequestTerminationCode: microhttpd-const. (line 418) * MHD_Response: microhttpd-struct. (line 16) * MHD_ResponseMemoryMode: microhttpd-const. (line 437) * MHD_ValueKind: microhttpd-const. (line 389)  Tag Table: Node: Top818 Node: microhttpd-intro2979 Ref: fig:performance7018 Ref: tbl:supported7900 Node: microhttpd-const14478 Node: microhttpd-struct36727 Node: microhttpd-cb37507 Node: microhttpd-init45863 Node: microhttpd-inspect51613 Node: microhttpd-requests53533 Node: microhttpd-responses57016 Node: microhttpd-response enqueue58069 Ref: microhttpd-response enqueue-Footnote-160341 Node: microhttpd-response create60560 Node: microhttpd-response headers66560 Node: microhttpd-response inspect68388 Node: microhttpd-flow69559 Node: microhttpd-dauth72148 Node: microhttpd-dauth basic73694 Node: microhttpd-dauth digest74885 Node: microhttpd-post79531 Node: microhttpd-post api82474 Node: microhttpd-info85056 Node: microhttpd-info daemon85471 Node: microhttpd-info conn88128 Node: microhttpd-option conn91392 Node: GNU-LGPL92453 Node: GNU GPL with eCos Extension120572 Node: GNU-FDL140442 Node: Concept Index165547 Node: Function and Data Index171081 Node: Type Index175831  End Tag Table libmicrohttpd-0.9.33/doc/ecos.texi0000644000175000017500000004473112207153262013775 00000000000000@cindex GPL, GNU General Public License @cindex eCos, GNU General Public License with eCos Extension @center Version 2, June 1991 @display Copyright @copyright{} 1989, 1991 Free Software Foundation, Inc. 59 Temple Place -- Suite 330, Boston, MA 02111-1307, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. @end display @subheading Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software---to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. @iftex @subheading TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION @end iftex @ifinfo @center TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION @end ifinfo @enumerate @item This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The ``Program'', below, refers to any such program or work, and a ``work based on the Program'' means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term ``modification''.) Each licensee is addressed as ``you''. Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. @item You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. @item You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: @enumerate a @item You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. @item You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. @item If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) @end enumerate These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. @item You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: @enumerate a @item Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, @item Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, @item Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) @end enumerate The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. @item You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. @item You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. @item Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. @item If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. @item If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. @item The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and ``any later version'', you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. @item If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. @center @b{NO WARRANTY} @item BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. @item IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. @center @b{ECOS EXTENSION} @item As a special exception, if other files instantiate templates or use macros or inline functions from this file, or you compile this file and link it with other works to produce a work based on this file, this file does not by itself cause the resulting work to be covered by the GNU General Public License. However the source code for this file must still be made available in accordance with section (3) of the GNU General Public License v2. This exception does not invalidate any other reasons why a work based on this file might be covered by the GNU General Public License. @end enumerate @subheading END OF TERMS AND CONDITIONS @page @unnumberedsec How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the ``copyright'' line and a pointer to where the full notice is found. @smallexample @var{one line to give the program's name and an idea of what it does.} Copyright (C) 19@var{yy} @var{name of author} This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. @end smallexample Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: @smallexample Gnomovision version 69, Copyright (C) 19@var{yy} @var{name of author} Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. @end smallexample The hypothetical commands @samp{show w} and @samp{show c} should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than @samp{show w} and @samp{show c}; they could even be mouse-clicks or menu items---whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a ``copyright disclaimer'' for the program, if necessary. Here is a sample; alter the names: @smallexample @group Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. @var{signature of Ty Coon}, 1 April 1989 Ty Coon, President of Vice @end group @end smallexample This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. 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Configuration options related to the dot tool #--------------------------------------------------------------------------- CLASS_DIAGRAMS = YES MSCGEN_PATH = HIDE_UNDOC_RELATIONS = YES HAVE_DOT = YES CLASS_GRAPH = NO COLLABORATION_GRAPH = NO GROUP_GRAPHS = NO UML_LOOK = NO TEMPLATE_RELATIONS = NO INCLUDE_GRAPH = YES INCLUDED_BY_GRAPH = YES CALL_GRAPH = YES CALLER_GRAPH = YES GRAPHICAL_HIERARCHY = NO DIRECTORY_GRAPH = YES DOT_IMAGE_FORMAT = png DOT_PATH = DOTFILE_DIRS = DOT_GRAPH_MAX_NODES = 25 MAX_DOT_GRAPH_DEPTH = 2 DOT_TRANSPARENT = YES DOT_MULTI_TARGETS = NO GENERATE_LEGEND = YES DOT_CLEANUP = YES #--------------------------------------------------------------------------- # Configuration::additions related to the search engine #--------------------------------------------------------------------------- SEARCHENGINE = YES libmicrohttpd-0.9.33/doc/stamp-vti0000644000175000017500000000014712255341021014004 00000000000000@set UPDATED 21 December 2013 @set UPDATED-MONTH December 2013 @set EDITION 0.9.33 @set VERSION 0.9.33 libmicrohttpd-0.9.33/doc/libmicrohttpd.30000644000175000017500000000260212207153262015070 00000000000000.TH LIBMICROHTTPD "3" "21 Jun 2013 "libmicrohttpd" .SH "NAME" GNU libmicrohttpd \- library for embedding HTTP servers .SH "SYNOPSIS" \fB#include .SH "DESCRIPTION" .P GNU libmicrohttpd (short MHD) allows applications to easily integrate the functionality of a simple HTTP server. MHD is a GNU package. .P The details of the API are described in comments in the header file, a detailed reference documentation, a tutorial, and in brief on the MHD webpage. .P .SH "SEE ALSO" \fBcurl\fP(1), \fBlibcurl\fP(3) .SH "LEGAL NOTICE" libmicrohttpd is released under both the LGPL Version 2.1 or higher and the GNU GPL with eCos extension. For details on both licenses please read the respective appendix in the manual. .SH "FILES" .TP microhttpd.h libmicrohttpd include file .TP libmicrohttpd.so libmicrohttpd library .SH "REPORTING BUGS" Report bugs by using mantis . .SH "AUTHORS" GNU libmicrohttpd was originally designed by Christian Grothoff and Chris GauthierDickey . The original implementation was done by Daniel Pittman and Christian Grothoff. SSL/TLS support was added by Sagie Amir using code from GnuTLS. 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, # or obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # Usage: $progname [OPTION]... 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If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. 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But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host" ; then $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do if test "$build_libtool_libs" = convenience; then oldobjs="$libobjs_save $symfileobj" addlibs="$convenience" build_libtool_libs=no else if test "$build_libtool_libs" = module; then oldobjs="$libobjs_save" build_libtool_libs=no else oldobjs="$old_deplibs $non_pic_objects" if test "$preload" = yes && test -f "$symfileobj"; then func_append oldobjs " $symfileobj" fi fi addlibs="$old_convenience" fi if test -n "$addlibs"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $addlibs func_append oldobjs " $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append oldobjs " $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase="$func_basename_result" case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? for obj in $save_oldobjs do last_oldobj=$obj done eval test_cmds=\"$old_archive_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 for obj in $save_oldobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result func_append objlist " $obj" if test "$len" -lt "$max_cmd_len"; then : else # the above command should be used before it gets too long oldobjs=$objlist if test "$obj" = "$last_oldobj" ; then RANLIB=$save_RANLIB fi test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" objlist= len=$len0 fi done RANLIB=$save_RANLIB oldobjs=$objlist if test "X$oldobjs" = "X" ; then eval cmds=\"\$concat_cmds\" else eval cmds=\"\$concat_cmds~\$old_archive_cmds\" fi fi fi func_execute_cmds "$cmds" 'exit $?' done test -n "$generated" && \ func_show_eval "${RM}r$generated" # Now create the libtool archive. case $output in *.la) old_library= test "$build_old_libs" = yes && old_library="$libname.$libext" func_verbose "creating $output" # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done # Quote the link command for shipping. relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` if test "$hardcode_automatic" = yes ; then relink_command= fi # Only create the output if not a dry run. $opt_dry_run || { for installed in no yes; do if test "$installed" = yes; then if test -z "$install_libdir"; then break fi output="$output_objdir/$outputname"i # Replace all uninstalled libtool libraries with the installed ones newdependency_libs= for deplib in $dependency_libs; do case $deplib in *.la) func_basename "$deplib" name="$func_basename_result" func_resolve_sysroot "$deplib" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" ;; -L*) func_stripname -L '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -L$func_replace_sysroot_result" ;; -R*) func_stripname -R '' "$deplib" func_replace_sysroot "$func_stripname_result" func_append newdependency_libs " -R$func_replace_sysroot_result" ;; *) func_append newdependency_libs " $deplib" ;; esac done dependency_libs="$newdependency_libs" newdlfiles= for lib in $dlfiles; do case $lib in *.la) func_basename "$lib" name="$func_basename_result" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "\`$lib' is not a valid libtool archive" func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" ;; *) func_append newdlfiles " $lib" ;; esac done dlfiles="$newdlfiles" newdlprefiles= for lib in $dlprefiles; do case $lib in *.la) # Only pass preopened files to the pseudo-archive (for # eventual linking with the app. that links it) if we # didn't already link the preopened objects directly into # the library: func_basename "$lib" name="$func_basename_result" eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` test -z "$libdir" && \ func_fatal_error "\`$lib' is not a valid libtool archive" func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" ;; esac done dlprefiles="$newdlprefiles" else newdlfiles= for lib in $dlfiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlfiles " $abs" done dlfiles="$newdlfiles" newdlprefiles= for lib in $dlprefiles; do case $lib in [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; *) abs=`pwd`"/$lib" ;; esac func_append newdlprefiles " $abs" done dlprefiles="$newdlprefiles" fi $RM $output # place dlname in correct position for cygwin # In fact, it would be nice if we could use this code for all target # systems that can't hard-code library paths into their executables # and that have no shared library path variable independent of PATH, # but it turns out we can't easily determine that from inspecting # libtool variables, so we have to hard-code the OSs to which it # applies here; at the moment, that means platforms that use the PE # object format with DLL files. 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then # Do each command in the old_postuninstall commands. func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' fi # FIXME: should reinstall the best remaining shared library. ;; esac fi ;; *.lo) # Possibly a libtool object, so verify it. if func_lalib_p "$file"; then # Read the .lo file func_source $dir/$name # Add PIC object to the list of files to remove. if test -n "$pic_object" && test "$pic_object" != none; then func_append rmfiles " $dir/$pic_object" fi # Add non-PIC object to the list of files to remove. if test -n "$non_pic_object" && test "$non_pic_object" != none; then func_append rmfiles " $dir/$non_pic_object" fi fi ;; *) if test "$opt_mode" = clean ; then noexename=$name case $file in *.exe) func_stripname '' '.exe' "$file" file=$func_stripname_result func_stripname '' '.exe' "$name" noexename=$func_stripname_result # $file with .exe has already been added to rmfiles, # add $file without .exe func_append rmfiles " $file" ;; esac # Do a test to see if this is a libtool program. if func_ltwrapper_p "$file"; 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" >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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" >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 $as_echo "$ac_ct_OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL64+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 $as_echo "$OTOOL64" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS="$lt_save_ifs" MAGIC_CMD="$lt_save_MAGIC_CMD" ;; esac fi MAGIC_CMD="$lt_cv_path_MAGIC_CMD" if test -n "$MAGIC_CMD"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 $as_echo "$MAGIC_CMD" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test -z "$lt_cv_path_MAGIC_CMD"; then if test -n "$ac_tool_prefix"; then { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 $as_echo_n "checking for file... 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The following line is correct: shared_flag='-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi export_dynamic_flag_spec='${wl}-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test "${lt_cv_aix_libpath+set}" = set; then aix_libpath=$lt_cv_aix_libpath else if ${lt_cv_aix_libpath_+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_="/usr/lib:/lib" fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' ${wl}-bernotok' allow_undefined_flag=' ${wl}-berok' if test "$with_gnu_ld" = yes; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl*) # Native MSVC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; else sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile="$lt_outputfile.exe" lt_tool_outputfile="$lt_tool_outputfile.exe" ;; esac~ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test "$lt_cv_ld_force_load" = "yes"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag="$_lt_dar_allow_undefined" case $cc_basename in ifort*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test "$_lt_dar_can_shared" = "yes"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' export_dynamic_flag_spec='${wl}-E' else case $host_os in openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' ;; *) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; 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do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='${libname}${shared_ext}' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[45]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; 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cygwin*) # Convert to unix form, then to dos form, then back to unix form # but this time dos style (no spaces!) so that the unix form looks # like /cygdrive/c/PROGRA~1:/cygdr... sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` ;; *) sys_lib_search_path_spec="$LIB" if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then # It is most probably a Windows format PATH. sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` else sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` fi # FIXME: find the short name or the path components, as spaces are # common. 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When/if they implement a new # versioning mechanism, adjust this. if test -x /usr/bin/objformat; then objformat=`/usr/bin/objformat` else case $host_os in freebsd[23].*) objformat=aout ;; *) objformat=elf ;; esac fi version_type=freebsd-$objformat case $version_type in freebsd-elf*) library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' need_version=no need_lib_prefix=no ;; freebsd-*) library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' need_version=yes ;; esac shlibpath_var=LD_LIBRARY_PATH case $host_os in freebsd2.*) shlibpath_overrides_runpath=yes ;; freebsd3.[01]* | freebsdelf3.[01]*) shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; *) # from 4.6 on, and DragonFly shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=yes sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' if test "X$HPUX_IA64_MODE" = X32; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Append ld.so.conf contents to the search path if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then case $host_os in openbsd2.[89] | openbsd2.[89].*) shlibpath_overrides_runpath=no ;; *) shlibpath_overrides_runpath=yes ;; esac else shlibpath_overrides_runpath=yes fi ;; os2*) libname_spec='$name' shrext_cmds=".dll" need_lib_prefix=no library_names_spec='$libname${shared_ext} $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' soname_spec='$libname${shared_ext}.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 $as_echo "$dynamic_linker" >&6; } test "$dynamic_linker" = no && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$GCC" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" fi if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 $as_echo_n "checking how to hardcode library paths into programs... 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"Compiling libmicrohttpd requires standard UNIX headers files" "$LINENO" 5 fi done # Check for optional headers for ac_header in sys/types.h sys/time.h sys/msg.h netdb.h netinet/in.h netinet/tcp.h time.h sys/socket.h sys/mman.h arpa/inet.h sys/select.h poll.h winsock2.h ws2tcpip.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in search.h do : ac_fn_c_check_header_mongrel "$LINENO" "search.h" "ac_cv_header_search_h" "$ac_includes_default" if test "x$ac_cv_header_search_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_SEARCH_H 1 _ACEOF if true; then HAVE_TSEARCH_TRUE= HAVE_TSEARCH_FALSE='#' else HAVE_TSEARCH_TRUE='#' HAVE_TSEARCH_FALSE= fi else if false; then HAVE_TSEARCH_TRUE= HAVE_TSEARCH_FALSE='#' else HAVE_TSEARCH_TRUE='#' HAVE_TSEARCH_FALSE= fi fi done # Check for plibc.h from system, if not found, use our own for ac_header in plibc.h do : ac_fn_c_check_header_mongrel "$LINENO" "plibc.h" "ac_cv_header_plibc_h" "$ac_includes_default" if test "x$ac_cv_header_plibc_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_PLIBC_H 1 _ACEOF our_private_plibc_h=0 else our_private_plibc_h=1 fi done if test x$our_private_plibc_h = x1; then USE_PRIVATE_PLIBC_H_TRUE= USE_PRIVATE_PLIBC_H_FALSE='#' else USE_PRIVATE_PLIBC_H_TRUE='#' USE_PRIVATE_PLIBC_H_FALSE= fi for ac_func in $ac_func_list do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" if eval test \"x\$"$as_ac_var"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 _ACEOF fi done cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if defined HAVE_SYS_TYPES_H # include #endif #if defined HAVE_SYS_SOCKET_H # include #elif defined HAVE_WINSOCK2_H # include #endif int main () { #ifndef SOCK_NONBLOCK # error do not have SOCK_NONBLOCK #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : $as_echo "#define HAVE_SOCK_NONBLOCK 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5 $as_echo_n "checking for library containing clock_gettime... 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" >&6; } if ${libcurl_cv_lib_curl_usable+:} false; then : $as_echo_n "(cached) " >&6 else _libcurl_save_cppflags=$CPPFLAGS CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS" _libcurl_save_libs=$LIBS LIBS="$LIBCURL $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { /* Try and use a few common options to force a failure if we are missing symbols or can't link. */ int x; curl_easy_setopt(NULL,CURLOPT_URL,NULL); x=CURL_ERROR_SIZE; x=CURLOPT_WRITEFUNCTION; x=CURLOPT_FILE; x=CURLOPT_ERRORBUFFER; x=CURLOPT_STDERR; x=CURLOPT_VERBOSE; ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : libcurl_cv_lib_curl_usable=yes else libcurl_cv_lib_curl_usable=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CPPFLAGS=$_libcurl_save_cppflags LIBS=$_libcurl_save_libs unset _libcurl_save_cppflags unset _libcurl_save_libs fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libcurl_cv_lib_curl_usable" >&5 $as_echo "$libcurl_cv_lib_curl_usable" >&6; } if test $libcurl_cv_lib_curl_usable = yes ; then # Does curl_free() exist in this version of libcurl? # If not, fake it with free() _libcurl_save_cppflags=$CPPFLAGS CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS" _libcurl_save_libs=$LIBS LIBS="$LIBS $LIBCURL" ac_fn_c_check_func "$LINENO" "curl_free" "ac_cv_func_curl_free" if test "x$ac_cv_func_curl_free" = xyes; then : else $as_echo "#define curl_free free" >>confdefs.h fi CPPFLAGS=$_libcurl_save_cppflags LIBS=$_libcurl_save_libs unset _libcurl_save_cppflags unset _libcurl_save_libs $as_echo "#define HAVE_LIBCURL 1" >>confdefs.h for _libcurl_feature in $_libcurl_features ; do cat >>confdefs.h <<_ACEOF #define `$as_echo "libcurl_feature_$_libcurl_feature" | $as_tr_cpp` 1 _ACEOF eval `$as_echo "libcurl_feature_$_libcurl_feature" | $as_tr_sh`=yes done if test "x$_libcurl_protocols" = "x" ; then # We don't have --protocols, so just assume that all # protocols are available _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT TFTP" if test x$libcurl_feature_SSL = xyes ; then _libcurl_protocols="$_libcurl_protocols HTTPS" # FTPS wasn't standards-compliant until version # 7.11.0 (0x070b00 == 461568) if test $_libcurl_version -ge 461568; then _libcurl_protocols="$_libcurl_protocols FTPS" fi fi # RTSP, IMAP, POP3 and SMTP were added in # 7.20.0 (0x071400 == 463872) if test $_libcurl_version -ge 463872; then _libcurl_protocols="$_libcurl_protocols RTSP IMAP POP3 SMTP" fi fi for _libcurl_protocol in $_libcurl_protocols ; do cat >>confdefs.h <<_ACEOF #define `$as_echo "libcurl_protocol_$_libcurl_protocol" | $as_tr_cpp` 1 _ACEOF eval `$as_echo "libcurl_protocol_$_libcurl_protocol" | $as_tr_sh`=yes done else unset LIBCURL unset LIBCURL_CPPFLAGS fi fi unset _libcurl_try_link unset _libcurl_version_parse unset _libcurl_config unset _libcurl_feature unset _libcurl_features unset _libcurl_protocol unset _libcurl_protocols unset _libcurl_version unset _libcurl_ldflags fi if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then # This is the IF-NO path curl=0 else # This is the IF-YES path curl=1 fi unset _libcurl_with for ac_header in curl/curl.h do : ac_fn_c_check_header_mongrel "$LINENO" "curl/curl.h" "ac_cv_header_curl_curl_h" "$ac_includes_default" if test "x$ac_cv_header_curl_curl_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_CURL_CURL_H 1 _ACEOF # Lib cURL & cURL - OpenSSL versions MHD_REQ_CURL_VERSION=7.16.4 MHD_REQ_CURL_OPENSSL_VERSION=0.9.8 MHD_REQ_CURL_GNUTLS_VERSION=2.8.6 MHD_REQ_CURL_NSS_VERSION=3.12.0 cat >>confdefs.h <<_ACEOF #define MHD_REQ_CURL_VERSION "$MHD_REQ_CURL_VERSION" _ACEOF cat >>confdefs.h <<_ACEOF #define MHD_REQ_CURL_OPENSSL_VERSION "$MHD_REQ_CURL_OPENSSL_VERSION" _ACEOF cat >>confdefs.h <<_ACEOF #define MHD_REQ_CURL_GNUTLS_VERSION "$MHD_REQ_CURL_GNUTLS_VERSION" _ACEOF cat >>confdefs.h <<_ACEOF #define MHD_REQ_CURL_NSS_VERSION "$MHD_REQ_CURL_NSS_VERSION" _ACEOF else curl=0 fi done fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for magic_open -lmagic" >&5 $as_echo_n "checking for magic_open -lmagic... " >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for magic_open in -lmagic" >&5 $as_echo_n "checking for magic_open in -lmagic... " >&6; } if ${ac_cv_lib_magic_magic_open+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lmagic $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char magic_open (); int main () { return magic_open (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_magic_magic_open=yes else ac_cv_lib_magic_magic_open=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_magic_magic_open" >&5 $as_echo "$ac_cv_lib_magic_magic_open" >&6; } if test "x$ac_cv_lib_magic_magic_open" = xyes; then : for ac_header in magic.h do : ac_fn_c_check_header_mongrel "$LINENO" "magic.h" "ac_cv_header_magic_h" "$ac_includes_default" if test "x$ac_cv_header_magic_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_MAGIC_H 1 _ACEOF if true; then HAVE_MAGIC_TRUE= HAVE_MAGIC_FALSE='#' else HAVE_MAGIC_TRUE='#' HAVE_MAGIC_FALSE= fi else if false; then HAVE_MAGIC_TRUE= HAVE_MAGIC_FALSE='#' else HAVE_MAGIC_TRUE='#' HAVE_MAGIC_FALSE= fi fi done else if false; then HAVE_MAGIC_TRUE= HAVE_MAGIC_FALSE='#' else HAVE_MAGIC_TRUE='#' HAVE_MAGIC_FALSE= fi fi # optional: libmicrospdy support. Enabled by default { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support libmicrospdy" >&5 $as_echo_n "checking whether to support libmicrospdy... " >&6; } # Check whether --enable-spdy was given. if test "${enable_spdy+set}" = set; then : enableval=$enable_spdy; enable_spdy=${enableval} else enable_spdy=yes fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_spdy" >&5 $as_echo "$enable_spdy" >&6; } if test "$enable_spdy" = "yes" then for ac_header in openssl/err.h do : ac_fn_c_check_header_mongrel "$LINENO" "openssl/err.h" "ac_cv_header_openssl_err_h" "$ac_includes_default" if test "x$ac_cv_header_openssl_err_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_OPENSSL_ERR_H 1 _ACEOF { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL_CTX_set_next_protos_advertised_cb in -lssl" >&5 $as_echo_n "checking for SSL_CTX_set_next_protos_advertised_cb in -lssl... " >&6; } if ${ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lssl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char SSL_CTX_set_next_protos_advertised_cb (); int main () { return SSL_CTX_set_next_protos_advertised_cb (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb=yes else ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb" >&5 $as_echo "$ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb" >&6; } if test "x$ac_cv_lib_ssl_SSL_CTX_set_next_protos_advertised_cb" = xyes; then : if true; then HAVE_OPENSSL_TRUE= HAVE_OPENSSL_FALSE='#' else HAVE_OPENSSL_TRUE='#' HAVE_OPENSSL_FALSE= fi enable_spdy="yes" else if false; then HAVE_OPENSSL_TRUE= HAVE_OPENSSL_FALSE='#' else HAVE_OPENSSL_TRUE='#' HAVE_OPENSSL_FALSE= fi enable_spdy="no" fi else if false; then HAVE_OPENSSL_TRUE= HAVE_OPENSSL_FALSE='#' else HAVE_OPENSSL_TRUE='#' HAVE_OPENSSL_FALSE= fi enable_spdy="no" fi done else if false; then HAVE_OPENSSL_TRUE= HAVE_OPENSSL_FALSE='#' else HAVE_OPENSSL_TRUE='#' HAVE_OPENSSL_FALSE= fi fi if test "$enable_spdy" = "yes" then $as_echo "#define SPDY_SUPPORT 1" >>confdefs.h else $as_echo "#define SPDY_SUPPORT 0" >>confdefs.h fi if test "x$enable_spdy" != "xno"; then ENABLE_SPDY_TRUE= ENABLE_SPDY_FALSE='#' else ENABLE_SPDY_TRUE='#' ENABLE_SPDY_FALSE= fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we have OpenSSL and thus can support libmicrospdy" >&5 $as_echo_n "checking whether we have OpenSSL and thus can support libmicrospdy... 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Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char SHA1_Init (); int main () { return SHA1_Init (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_crypto_SHA1_Init=yes else ac_cv_lib_crypto_SHA1_Init=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_SHA1_Init" >&5 $as_echo "$ac_cv_lib_crypto_SHA1_Init" >&6; } if test "x$ac_cv_lib_crypto_SHA1_Init" = xyes; then : LIBS="$LIBS -lcrypto" else { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: OpenSSL libraries not found." >&5 $as_echo "$as_me: WARNING: OpenSSL libraries not found." >&2;} fi ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes; then : else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 $as_echo_n "checking for dlopen in -ldl... " >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : LIBS="$LIBS -ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: OpenSSL depends on libdl." >&5 $as_echo "$as_me: WARNING: OpenSSL depends on libdl." >&2;}; break fi fi ac_fn_c_check_func "$LINENO" "SSL_library_init" "ac_cv_func_SSL_library_init" if test "x$ac_cv_func_SSL_library_init" = xyes; then : else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL_library_init in -lssl" >&5 $as_echo_n "checking for SSL_library_init in -lssl... " >&6; } if ${ac_cv_lib_ssl_SSL_library_init+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lssl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char SSL_library_init (); int main () { return SSL_library_init (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_ssl_SSL_library_init=yes else ac_cv_lib_ssl_SSL_library_init=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_SSL_library_init" >&5 $as_echo "$ac_cv_lib_ssl_SSL_library_init" >&6; } if test "x$ac_cv_lib_ssl_SSL_library_init" = xyes; then : LIBS="$LIBS -lssl" else { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: OpenSSL?." >&5 $as_echo "$as_me: WARNING: OpenSSL?." >&2;}; break fi fi ;; esac # AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], , # [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break], # ) # AC_CHECK_DECL([OpenSSL_add_all_algorithms], , # [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break], # [#include ] # ) # for pkg-config SPDY_LIBDEPS="" for ac_header in spdylay/spdylay.h do : ac_fn_c_check_header_mongrel "$LINENO" "spdylay/spdylay.h" "ac_cv_header_spdylay_spdylay_h" "$ac_includes_default" if test "x$ac_cv_header_spdylay_spdylay_h" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_SPDYLAY_SPDYLAY_H 1 _ACEOF if true; then HAVE_SPDYLAY_TRUE= HAVE_SPDYLAY_FALSE='#' else HAVE_SPDYLAY_TRUE='#' HAVE_SPDYLAY_FALSE= fi have_spdylay="yes" else if false; then HAVE_SPDYLAY_TRUE= HAVE_SPDYLAY_FALSE='#' else HAVE_SPDYLAY_TRUE='#' HAVE_SPDYLAY_FALSE= fi have_spdylay="no" fi done # for pkg-config if test -n " " ; then ENABLE_MINITASN1_TRUE= ENABLE_MINITASN1_FALSE='#' else ENABLE_MINITASN1_TRUE='#' ENABLE_MINITASN1_FALSE= fi if test -n "" ; then ENABLE_OPENSSL_TRUE= ENABLE_OPENSSL_FALSE='#' else ENABLE_OPENSSL_TRUE='#' ENABLE_OPENSSL_FALSE= fi if test -n "" ; then HAVE_LD_OUTPUT_DEF_TRUE= HAVE_LD_OUTPUT_DEF_FALSE='#' else HAVE_LD_OUTPUT_DEF_TRUE='#' HAVE_LD_OUTPUT_DEF_FALSE= fi if test -n "" ; then HAVE_LD_VERSION_SCRIPT_TRUE= HAVE_LD_VERSION_SCRIPT_FALSE='#' else HAVE_LD_VERSION_SCRIPT_TRUE='#' HAVE_LD_VERSION_SCRIPT_FALSE= fi LIBS=$SAVE_LIBS if test x$curl = x1; then HAVE_CURL_TRUE= HAVE_CURL_FALSE='#' else HAVE_CURL_TRUE='#' HAVE_CURL_FALSE= fi # large file support (> 4 GB) # Check whether --enable-largefile was given. if test "${enable_largefile+set}" = set; then : enableval=$enable_largefile; fi if test "$enable_largefile" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5 $as_echo_n "checking for special C compiler options needed for large files... 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" >&6; } if ${ac_cv_sys_largefile_source+:} false; then : $as_echo_n "(cached) " >&6 else while :; do cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include /* for off_t */ #include int main () { int (*fp) (FILE *, off_t, int) = fseeko; return fseeko (stdin, 0, 0) && fp (stdin, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_sys_largefile_source=no; break fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #define _LARGEFILE_SOURCE 1 #include /* for off_t */ #include int main () { int (*fp) (FILE *, off_t, int) = fseeko; return fseeko (stdin, 0, 0) && fp (stdin, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_sys_largefile_source=1; break fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_cv_sys_largefile_source=unknown break done fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5 $as_echo "$ac_cv_sys_largefile_source" >&6; } case $ac_cv_sys_largefile_source in #( no | unknown) ;; *) cat >>confdefs.h <<_ACEOF #define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source _ACEOF ;; esac rm -rf conftest* # We used to try defining _XOPEN_SOURCE=500 too, to work around a bug # in glibc 2.1.3, but that breaks too many other things. # If you want fseeko and ftello with glibc, upgrade to a fixed glibc. if test $ac_cv_sys_largefile_source != unknown; then $as_echo "#define HAVE_FSEEKO 1" >>confdefs.h fi # optional: have error messages ? { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to generate error messages" >&5 $as_echo_n "checking whether to generate error messages... 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" >&6; } if ${ac_cv_prog_HAVE_SOCAT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$HAVE_SOCAT"; then ac_cv_prog_HAVE_SOCAT="$HAVE_SOCAT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_HAVE_SOCAT="1" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_HAVE_SOCAT" && ac_cv_prog_HAVE_SOCAT="0" fi fi HAVE_SOCAT=$ac_cv_prog_HAVE_SOCAT if test -n "$HAVE_SOCAT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_SOCAT" >&5 $as_echo "$HAVE_SOCAT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test 0 != $HAVE_ZZUF; then HAVE_ZZUF_TRUE= HAVE_ZZUF_FALSE='#' else HAVE_ZZUF_TRUE='#' HAVE_ZZUF_FALSE= fi if test 0 != $HAVE_SOCAT; then HAVE_SOCAT_TRUE= HAVE_SOCAT_FALSE='#' else HAVE_SOCAT_TRUE='#' HAVE_SOCAT_FALSE= fi # libgcrypt linkage: required for HTTPS support # Check whether --with-libgcrypt-prefix was given. if test "${with_libgcrypt_prefix+set}" = set; then : withval=$with_libgcrypt_prefix; libgcrypt_config_prefix="$withval" else libgcrypt_config_prefix="" fi if test x$libgcrypt_config_prefix != x ; then if test x${LIBGCRYPT_CONFIG+set} != xset ; then LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config fi fi # Extract the first word of "libgcrypt-config", so it can be a program name with args. set dummy libgcrypt-config; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_path_LIBGCRYPT_CONFIG+:} false; then : $as_echo_n "(cached) " >&6 else case $LIBGCRYPT_CONFIG in [\\/]* | ?:[\\/]*) ac_cv_path_LIBGCRYPT_CONFIG="$LIBGCRYPT_CONFIG" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_path_LIBGCRYPT_CONFIG="$as_dir/$ac_word$ac_exec_ext" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_path_LIBGCRYPT_CONFIG" && ac_cv_path_LIBGCRYPT_CONFIG="no" ;; esac fi LIBGCRYPT_CONFIG=$ac_cv_path_LIBGCRYPT_CONFIG if test -n "$LIBGCRYPT_CONFIG"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBGCRYPT_CONFIG" >&5 $as_echo "$LIBGCRYPT_CONFIG" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi tmp=1.2.2 if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` else req_libgcrypt_api=0 min_libgcrypt_version="$tmp" fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBGCRYPT - version >= $min_libgcrypt_version" >&5 $as_echo_n "checking for LIBGCRYPT - version >= $min_libgcrypt_version... 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: libmicrohttpd-0.9.33/AUTHORS0000644000175000017500000000345212245576725012466 00000000000000Primary developers: Christian Grothoff (maintainer) Andrey Uzunov (maintainer for libmicrospdy) Nils Durner (W32 port) Sagie Amir (TLS/SSL support using GNUtls) Richard Alimi (performance) Amr Ali (digest authentication) Matthieu Speder (basic authentication, client certificates) Code contributions also came from: Chris GauthierDickey Elliot Glaysher Daniel Pittman John Popplewell Heikki Lindholm Alex Sadovsky Greg Schohn Thomas Martin Peter Ross RuXu W Matthew Moore Colin Caughie David Carvalho David Reiss Matt Holiday Michael Cronenworth Mika Raento Mike Crowe John Muth Geoffrey McRae Piotr Grzybowski Gerrit Telkamp Erik Slagter Andreas Wehrmann Eivind Sarto Thomas Stalder Zhimin Huang Jan Seeger Will Bryant LRN Sven Geggus Steve Wolf Brecht Sanders Jan Janak Matthew Mundell Scott Goldman Jared Cantwell Documentation contributions also came from: Marco Maggi Sebastian Gerhardt libmicrohttpd-0.9.33/COPYING0000644000175000017500000006412711264353220012436 00000000000000Some of this code is DUAL-LICENSED. 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Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! libmicrohttpd-0.9.33/m4/0000755000175000017500000000000012255341027011774 500000000000000libmicrohttpd-0.9.33/m4/libgcrypt.m40000644000175000017500000001015511260753603014161 00000000000000dnl Autoconf macros for libgcrypt dnl Copyright (C) 2002, 2004 Free Software Foundation, Inc. dnl dnl This file is free software; as a special exception the author gives dnl unlimited permission to copy and/or distribute it, with or without dnl modifications, as long as this notice is preserved. dnl dnl This file is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS. dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed dnl with the API version to also check the API compatibility. Example: dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using dnl this features allows to prevent build against newer versions of libgcrypt dnl with a changed API. dnl AC_DEFUN([AM_PATH_LIBGCRYPT], [ AC_ARG_WITH(libgcrypt-prefix, AC_HELP_STRING([--with-libgcrypt-prefix=PFX], [prefix where LIBGCRYPT is installed (optional)]), libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="") if test x$libgcrypt_config_prefix != x ; then if test x${LIBGCRYPT_CONFIG+set} != xset ; then LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config fi fi AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config, no) tmp=ifelse([$1], ,1:1.2.0,$1) if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` else req_libgcrypt_api=0 min_libgcrypt_version="$tmp" fi AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version) ok=no if test "$LIBGCRYPT_CONFIG" != "no" ; then req_major=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` req_minor=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` req_micro=`echo $min_libgcrypt_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version` major=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` minor=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` micro=`echo $libgcrypt_config_version | \ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` if test "$major" -gt "$req_major"; 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break] ) case $host_os in *mingw*) AC_CHECK_LIB(crypto, SHA1_Init, [LIBS="$LIBS -lcrypto -lgdi32"], [AC_MSG_WARN([OpenSSL libraries not found.])] ) ;; *) AC_CHECK_LIB(crypto, SHA1_Init, [LIBS="$LIBS -lcrypto"], [AC_MSG_WARN([OpenSSL libraries not found.])] ) AC_CHECK_FUNC(dlopen, [], [AC_CHECK_LIB(dl, dlopen, [LIBS="$LIBS -ldl"], [AC_MSG_WARN([OpenSSL depends on libdl.]); break] )] ) AC_CHECK_FUNC(SSL_library_init, [], [AC_CHECK_LIB(ssl, SSL_library_init, [LIBS="$LIBS -lssl"], [AC_MSG_WARN([OpenSSL?.]); break] )] ) ;; esac # AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], , # [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break], # ) # AC_CHECK_DECL([OpenSSL_add_all_algorithms], , # [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break], # [#include ] # ) ]) libmicrohttpd-0.9.33/m4/Makefile.am0000644000175000017500000000003011423360233013735 00000000000000EXTRA_DIST = libcurl.m4 libmicrohttpd-0.9.33/m4/ltoptions.m40000644000175000017500000003007312255340770014220 00000000000000# Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, # Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl `shared' nor `disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 57 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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*) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' ;; xl* | mpixl* | bgxl*) # IBM XL 8.0 on PPC, with GNU ld _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes # Not sure whether something based on # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 # would be better. output_verbose_link_cmd='func_echo_all' # Archives containing C++ object files must be created using # "CC -xar", where "CC" is the Sun C++ compiler. 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*) _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ echo "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ $RM $lib.exp' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' ;; esac _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). 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DEFAULT-ACTION is the string yes or no to # specify whether to default to --with-libcurl or --without-libcurl. # If not supplied, DEFAULT-ACTION is yes. MINIMUM-VERSION is the # minimum version of libcurl to accept. Pass the version as a regular # version number like 7.10.1. If not supplied, any version is # accepted. ACTION-IF-YES is a list of shell commands to run if # libcurl was successfully found and passed the various tests. # ACTION-IF-NO is a list of shell commands that are run otherwise. # Note that using --without-libcurl does run ACTION-IF-NO. # # This macro #defines HAVE_LIBCURL if a working libcurl setup is # found, and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary # values. Other useful defines are LIBCURL_FEATURE_xxx where xxx are # the various features supported by libcurl, and LIBCURL_PROTOCOL_yyy # where yyy are the various protocols supported by libcurl. Both xxx # and yyy are capitalized. See the list of AH_TEMPLATEs at the top of # the macro for the complete list of possible defines. Shell # variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also # defined to 'yes' for those features and protocols that were found. # Note that xxx and yyy keep the same capitalization as in the # curl-config list (e.g. it's "HTTP" and not "http"). # # Users may override the detected values by doing something like: # LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure # # For the sake of sanity, this macro assumes that any libcurl that is # found is after version 7.7.2, the first version that included the # curl-config script. Note that it is very important for people # packaging binary versions of libcurl to include this script! # Without curl-config, we can only guess what protocols are available, # or use curl_version_info to figure it out at runtime. AC_DEFUN([LIBCURL_CHECK_CONFIG], [ AH_TEMPLATE([LIBCURL_FEATURE_SSL],[Defined if libcurl supports SSL]) AH_TEMPLATE([LIBCURL_FEATURE_KRB4],[Defined if libcurl supports KRB4]) AH_TEMPLATE([LIBCURL_FEATURE_IPV6],[Defined if libcurl supports IPv6]) AH_TEMPLATE([LIBCURL_FEATURE_LIBZ],[Defined if libcurl supports libz]) AH_TEMPLATE([LIBCURL_FEATURE_ASYNCHDNS],[Defined if libcurl supports AsynchDNS]) AH_TEMPLATE([LIBCURL_FEATURE_IDN],[Defined if libcurl supports IDN]) AH_TEMPLATE([LIBCURL_FEATURE_SSPI],[Defined if libcurl supports SSPI]) AH_TEMPLATE([LIBCURL_FEATURE_NTLM],[Defined if libcurl supports NTLM]) AH_TEMPLATE([LIBCURL_PROTOCOL_HTTP],[Defined if libcurl supports HTTP]) AH_TEMPLATE([LIBCURL_PROTOCOL_HTTPS],[Defined if libcurl supports HTTPS]) AH_TEMPLATE([LIBCURL_PROTOCOL_FTP],[Defined if libcurl supports FTP]) AH_TEMPLATE([LIBCURL_PROTOCOL_FTPS],[Defined if libcurl supports FTPS]) AH_TEMPLATE([LIBCURL_PROTOCOL_FILE],[Defined if libcurl supports FILE]) AH_TEMPLATE([LIBCURL_PROTOCOL_TELNET],[Defined if libcurl supports TELNET]) AH_TEMPLATE([LIBCURL_PROTOCOL_LDAP],[Defined if libcurl supports LDAP]) AH_TEMPLATE([LIBCURL_PROTOCOL_DICT],[Defined if libcurl supports DICT]) AH_TEMPLATE([LIBCURL_PROTOCOL_TFTP],[Defined if libcurl supports TFTP]) AH_TEMPLATE([LIBCURL_PROTOCOL_RTSP],[Defined if libcurl supports RTSP]) AH_TEMPLATE([LIBCURL_PROTOCOL_POP3],[Defined if libcurl supports POP3]) AH_TEMPLATE([LIBCURL_PROTOCOL_IMAP],[Defined if libcurl supports IMAP]) AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP]) AC_ARG_WITH(libcurl, AC_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]), [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])]) if test "$_libcurl_with" != "no" ; then AC_PROG_AWK _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'" _libcurl_try_link=yes if test -d "$_libcurl_with" ; then LIBCURL_CPPFLAGS="-I$withval/include" _libcurl_ldflags="-L$withval/lib" AC_PATH_PROG([_libcurl_config],[curl-config],[], ["$withval/bin"]) else AC_PATH_PROG([_libcurl_config],[curl-config],[],[$PATH]) fi if test x$_libcurl_config != "x" ; then AC_CACHE_CHECK([for the version of libcurl], [libcurl_cv_lib_curl_version], [libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $[]2}'`]) _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse` _libcurl_wanted=`echo ifelse([$2],,[0],[$2]) | $_libcurl_version_parse` if test $_libcurl_wanted -gt 0 ; then AC_CACHE_CHECK([for libcurl >= version $2], [libcurl_cv_lib_version_ok], [ if test $_libcurl_version -ge $_libcurl_wanted ; then libcurl_cv_lib_version_ok=yes else libcurl_cv_lib_version_ok=no fi ]) fi if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then if test x"$LIBCURL_CPPFLAGS" = "x" ; then LIBCURL_CPPFLAGS=`$_libcurl_config --cflags` fi if test x"$LIBCURL" = "x" ; then LIBCURL=`$_libcurl_config --libs` # This is so silly, but Apple actually has a bug in their # curl-config script. Fixed in Tiger, but there are still # lots of Panther installs around. case "${host}" in powerpc-apple-darwin7*) LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'` ;; esac fi # All curl-config scripts support --feature _libcurl_features=`$_libcurl_config --feature` # Is it modern enough to have --protocols? (7.12.4) if test $_libcurl_version -ge 461828 ; then _libcurl_protocols=`$_libcurl_config --protocols` fi else _libcurl_try_link=no fi unset _libcurl_wanted fi if test $_libcurl_try_link = yes ; then # we didn't find curl-config, so let's see if the user-supplied # link line (or failing that, "-lcurl") is enough. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59 which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. 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# UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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AC_PROG_AWK AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MAKE_SET AC_CANONICAL_HOST AM_PROG_CC_C_O AC_LIBTOOL_WIN32_DLL AC_PROG_LIBTOOL AC_C_BIGENDIAN AC_CHECK_MEMBER([struct sockaddr_in.sin_len], [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ], [], [ #include #include #include ]) AC_CHECK_PROG(HAVE_CURL_BINARY,[curl],true,false) AM_CONDITIONAL(HAVE_CURL_BINARY,$HAVE_CURL_BINARY) AC_CHECK_PROG(HAVE_MAKEINFO_BINARY,[makeinfo],true,false) AM_CONDITIONAL(HAVE_MAKEINFO_BINARY,$HAVE_MAKEINFO_BINARY) # set GCC options # use '-fno-strict-aliasing', but only if the compiler can take it if gcc -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then CFLAGS="-fno-strict-aliasing $CFLAGS" fi # for pkg-config MHD_LIBDEPS="" epoll=0 # Check system type case "$host_os" in *darwin* | *rhapsody* | *macosx*) AC_DEFINE_UNQUOTED(OSX,1,[This is an OS X system]) CFLAGS="-no-cpp-precomp -fno-common $CFLAGS" AM_CONDITIONAL(HAVE_GNU_LD, false) AM_CONDITIONAL(HAVE_W32, false) ;; freebsd*) AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system]) AC_DEFINE_UNQUOTED(FREEBSD,1,[This is a FreeBSD system]) AM_CONDITIONAL(HAVE_GNU_LD, true) AM_CONDITIONAL(HAVE_W32, false) CFLAGS="-D_THREAD_SAFE $CFLAGS" ;; openbsd*) AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system]) AC_DEFINE_UNQUOTED(OPENBSD,1,[This is an OpenBSD system]) AM_CONDITIONAL(HAVE_GNU_LD, true) AM_CONDITIONAL(HAVE_W32, false) ;; netbsd*) AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system]) AC_DEFINE_UNQUOTED(NETBSD,1,[This is a NetBSD system]) AM_CONDITIONAL(HAVE_GNU_LD, true) AM_CONDITIONAL(HAVE_W32, false) ;; *solaris*) AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system]) AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work]) AM_CONDITIONAL(HAVE_GNU_LD, false) AM_CONDITIONAL(HAVE_W32, false) LDFLAGS="$LDFLAGS -lpthread" ;; *arm-linux*) AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel]) AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets]) CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS" AM_CONDITIONAL(HAVE_GNU_LD, true) AM_CONDITIONAL(HAVE_W32, false) AC_MSG_CHECKING(whether to support epoll) AC_ARG_ENABLE([epoll], AS_HELP_STRING([--disable-epoll], [disable epoll]), [enable_epoll=${enableval}], [enable_epoll=yes]) AC_MSG_RESULT($enable_epoll) ;; *linux*) AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel]) AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets]) AM_CONDITIONAL(HAVE_GNU_LD, true) AM_CONDITIONAL(HAVE_W32, false) AC_MSG_CHECKING(whether to support epoll) AC_ARG_ENABLE([epoll], AS_HELP_STRING([--disable-epoll], [disable epoll]), [enable_epoll=${enableval}], [enable_epoll=yes]) AC_MSG_RESULT($enable_epoll) ;; *cygwin*) AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system]) AM_CONDITIONAL(HAVE_GNU_LD, false) AM_CONDITIONAL(HAVE_W32, false) LDFLAGS="$LDFLAGS -no-undefined" ;; *mingw*) AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system]) AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system]) AM_CONDITIONAL(HAVE_W32, true) LDFLAGS="$LDFLAGS -Wl,-no-undefined -Wl,--export-all-symbols -lws2_32" AM_CONDITIONAL(HAVE_GNU_LD, true) # check if PlibC is available CHECK_PLIBC LIBS="$PLIBC_LIBS $LIBS" AC_SUBST(PLIBC_LIBS) AC_SUBST(PLIBC_LDFLAGS) AC_SUBST(PLIBC_CPPFLAGS) ;; *openedition*) AC_DEFINE_UNQUOTED(OS390,1,[This is a OS/390 system]) AM_CONDITIONAL(HAVE_GNU_LD, false) AM_CONDITIONAL(HAVE_W32, false) ;; *) AC_MSG_RESULT(Unrecognised OS $host_os) AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS]) # You might want to find out if your OS supports shutdown on listen sockets, # and extend the switch statement; if we do not have 'HAVE_LISTEN_SHUTDOWN', # pipes are used instead to signal 'select'. # AC_DEFINE_UNQUOTED(HAVE_LISTEN_SHUTDOWN,1,[can use shutdown on listen sockets]) AM_CONDITIONAL(HAVE_GNU_LD, false) AM_CONDITIONAL(HAVE_W32, false) ;; esac if test "$enable_epoll" = "yes" then AC_CHECK_HEADERS([sys/epoll.h], [enable_epoll="yes"], [enable_epoll="no"]) fi if test "$enable_epoll" = "yes" then AC_DEFINE([EPOLL_SUPPORT],[1],[include epoll support]) else AC_DEFINE([EPOLL_SUPPORT],[0],[disable epoll support]) fi AM_CONDITIONAL(ENABLE_EPOLL, [test "x$enable_epoll" != "xno"]) CHECK_PTHREAD LIBS="$PTHREAD_LIBS $LIBS" AC_SUBST(PTHREAD_LIBS) AC_SUBST(PTHREAD_LDFLAGS) AC_SUBST(PTHREAD_CPPFLAGS) # Check for headers that are ALWAYS required AC_CHECK_HEADERS([fcntl.h math.h errno.h limits.h stdio.h locale.h sys/stat.h sys/types.h pthread.h],,AC_MSG_ERROR([Compiling libmicrohttpd requires standard UNIX headers files])) # Check for optional headers AC_CHECK_HEADERS([sys/types.h sys/time.h sys/msg.h netdb.h netinet/in.h netinet/tcp.h time.h sys/socket.h sys/mman.h arpa/inet.h sys/select.h poll.h winsock2.h ws2tcpip.h]) AC_CHECK_HEADERS([search.h], AM_CONDITIONAL(HAVE_TSEARCH, true), AM_CONDITIONAL(HAVE_TSEARCH, false)) # Check for plibc.h from system, if not found, use our own AC_CHECK_HEADERS([plibc.h],our_private_plibc_h=0,our_private_plibc_h=1) AM_CONDITIONAL(USE_PRIVATE_PLIBC_H, test x$our_private_plibc_h = x1) AC_CHECK_FUNCS_ONCE(memmem) AC_CHECK_FUNCS_ONCE(accept4) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [ #if defined HAVE_SYS_TYPES_H # include #endif #if defined HAVE_SYS_SOCKET_H # include #elif defined HAVE_WINSOCK2_H # include #endif], [ #ifndef SOCK_NONBLOCK # error do not have SOCK_NONBLOCK #endif ]) ], [ AC_DEFINE([HAVE_SOCK_NONBLOCK], [1], [SOCK_NONBLOCK is defined in a socket header]) ]) AC_SEARCH_LIBS([clock_gettime], [rt], [ AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Have clock_gettime]) ]) # IPv6 AC_MSG_CHECKING(for IPv6) AC_TRY_COMPILE([ #include #if HAVE_NETINET_IN_H #include #endif #if HAVE_SYS_SOCKET_H #include #endif #if HAVE_WINSOCK2_H #include #endif #if HAVE_WS2TCPIP_H #include #endif ],[ int af=AF_INET6; int pf=PF_INET6; struct sockaddr_in6 sa; printf("%d %d %p\n", af, pf, &sa); ],[ have_inet6=yes; AC_DEFINE([HAVE_INET6], [1], [Provides IPv6 headers]) ], have_inet6=no ) AC_MSG_RESULT($have_inet6) # TCP_CORK AC_CHECK_DECLS([TCP_CORK], [], [], [[#include ]]) # TCP_NOPUSH AC_CHECK_DECLS([TCP_NOPUSH], [], [], [[#include ]]) # libcurl (required for testing) SAVE_LIBS=$LIBS AC_MSG_CHECKING(whether to use libcurl for testing) AC_ARG_ENABLE([curl], [AS_HELP_STRING([--disable-curl],[disable cURL based testcases])], [enable_curl=${enableval}], [enable_curl=yes]) AC_MSG_RESULT($enable_curl) curl=0 if test "$enable_curl" = "yes" then LIBCURL_CHECK_CONFIG(,,curl=1,curl=0) AC_CHECK_HEADERS([curl/curl.h],[ # Lib cURL & cURL - OpenSSL versions MHD_REQ_CURL_VERSION=7.16.4 MHD_REQ_CURL_OPENSSL_VERSION=0.9.8 MHD_REQ_CURL_GNUTLS_VERSION=2.8.6 MHD_REQ_CURL_NSS_VERSION=3.12.0 AC_DEFINE_UNQUOTED([MHD_REQ_CURL_VERSION], "$MHD_REQ_CURL_VERSION", [required cURL version to run tests]) AC_DEFINE_UNQUOTED([MHD_REQ_CURL_OPENSSL_VERSION], "$MHD_REQ_CURL_OPENSSL_VERSION", [required cURL SSL version to run tests]) AC_DEFINE_UNQUOTED([MHD_REQ_CURL_GNUTLS_VERSION], "$MHD_REQ_CURL_GNUTLS_VERSION", [gnuTLS lib version - used in conjunction with cURL]) AC_DEFINE_UNQUOTED([MHD_REQ_CURL_NSS_VERSION], "$MHD_REQ_CURL_NSS_VERSION", [NSS lib version - used in conjunction with cURL]) ],[curl=0]) fi AC_MSG_CHECKING(for magic_open -lmagic) AC_CHECK_LIB(magic, magic_open, [AC_CHECK_HEADERS([magic.h], AM_CONDITIONAL(HAVE_MAGIC, true), AM_CONDITIONAL(HAVE_MAGIC, false))], AM_CONDITIONAL(HAVE_MAGIC, false)) # optional: libmicrospdy support. Enabled by default AC_MSG_CHECKING(whether to support libmicrospdy) AC_ARG_ENABLE([spdy], AS_HELP_STRING([--disable-spdy], [disable libmicrospdy]), [enable_spdy=${enableval}], [enable_spdy=yes]) AC_MSG_RESULT($enable_spdy) if test "$enable_spdy" = "yes" then AC_CHECK_HEADERS([openssl/err.h], AC_CHECK_LIB(ssl, SSL_CTX_set_next_protos_advertised_cb, [AM_CONDITIONAL(HAVE_OPENSSL, true) enable_spdy="yes"], [AM_CONDITIONAL(HAVE_OPENSSL, false) enable_spdy="no"]), [AM_CONDITIONAL(HAVE_OPENSSL, false) enable_spdy="no"]) else AM_CONDITIONAL(HAVE_OPENSSL, false) fi if test "$enable_spdy" = "yes" then AC_DEFINE([SPDY_SUPPORT],[1],[include libmicrospdy support]) else AC_DEFINE([SPDY_SUPPORT],[0],[disable libmicrospdy support]) fi AM_CONDITIONAL(ENABLE_SPDY, [test "x$enable_spdy" != "xno"]) AC_MSG_CHECKING(whether we have OpenSSL and thus can support libmicrospdy) AC_MSG_RESULT($enable_spdy) spdy_OPENSSL # for pkg-config SPDY_LIBDEPS="" AC_CHECK_HEADERS([spdylay/spdylay.h], [AM_CONDITIONAL(HAVE_SPDYLAY, true) have_spdylay="yes"], [AM_CONDITIONAL(HAVE_SPDYLAY, false) have_spdylay="no"]) AC_SUBST(SPDY_LIB_LDFLAGS) # for pkg-config AC_SUBST(SPDY_LIBDEPS) AM_CONDITIONAL(ENABLE_MINITASN1, [test -n " " ] ) AM_CONDITIONAL(ENABLE_OPENSSL, [test -n "" ] ) AM_CONDITIONAL(HAVE_LD_OUTPUT_DEF, [test -n "" ] ) AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, [test -n "" ] ) LIBS=$SAVE_LIBS AM_CONDITIONAL(HAVE_CURL, test x$curl = x1) # large file support (> 4 GB) AC_SYS_LARGEFILE AC_FUNC_FSEEKO # optional: have error messages ? AC_MSG_CHECKING(whether to generate error messages) AC_ARG_ENABLE([messages], [AS_HELP_STRING([--disable-messages], [disable MHD error messages])], [enable_messages=${enableval}], [enable_messages=yes]) AC_MSG_RESULT($enable_messages) if test "$enable_messages" = "yes" then AC_DEFINE([HAVE_MESSAGES],[1],[Include error messages]) else AC_DEFINE([HAVE_MESSAGES],[0],[Disable error messages]) fi # optional: have postprocessor? AC_MSG_CHECKING(whether to enable postprocessor) AC_ARG_ENABLE([postprocessor], [AS_HELP_STRING([--disable-postprocessor], [disable MHD PostProcessor functionality])], [enable_postprocessor=${enableval}], [enable_postprocessor=yes]) AC_MSG_RESULT($disable_postprocessor) AM_CONDITIONAL([HAVE_POSTPROCESSOR],test x$enable_postprocessor != xno) # optional: have zzuf, socat? AC_CHECK_PROG([HAVE_ZZUF],[zzuf], 1, 0) AC_CHECK_PROG([HAVE_SOCAT],[socat], 1, 0) AM_CONDITIONAL(HAVE_ZZUF, test 0 != $HAVE_ZZUF) AM_CONDITIONAL(HAVE_SOCAT, test 0 != $HAVE_SOCAT) # libgcrypt linkage: required for HTTPS support AM_PATH_LIBGCRYPT(1.2.2, gcrypt=true) # define the minimal version of libgcrypt required MHD_GCRYPT_VERSION=1:1.2.2 AC_DEFINE_UNQUOTED([MHD_GCRYPT_VERSION], "$MHD_GCRYPT_VERSION", [gcrypt lib version]) # gnutls gnutls=0 AC_MSG_CHECKING(for gnutls) AC_ARG_WITH(gnutls, [ --with-gnutls=PFX base of gnutls installation], [AC_MSG_RESULT([$with_gnutls]) case $with_gnutls in no) ;; yes) AC_CHECK_HEADERS([gnutls/gnutls.h], AC_CHECK_LIB([gnutls], [gnutls_priority_set], gnutls=true)) ;; *) LDFLAGS="-L$with_gnutls/lib $LDFLAGS" CPPFLAGS="-I$with_gnutls/include $CPPFLAGS" AC_CHECK_HEADERS([gnutls/gnutls.h], AC_CHECK_LIB([gnutls], [gnutls_priority_set], EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH" gnutls=true)) ;; esac ], [AC_MSG_RESULT([--with-gnutls not specified]) AC_CHECK_HEADERS([gnutls/gnutls.h], AC_CHECK_LIB([gnutls], [gnutls_priority_set], gnutls=true))]) AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue) AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have gnutls]) # optional: HTTPS support. Enabled by default AC_MSG_CHECKING(whether to support HTTPS) AC_ARG_ENABLE([https], [AS_HELP_STRING([--disable-https], [disable HTTPS support])], [enable_https=${enableval}], [enable_https=yes]) if test "$enable_https" = "yes" then if test "$gcrypt" = "true" -a "$gnutls" = "true" then AC_DEFINE([HTTPS_SUPPORT],[1],[include HTTPS support]) MHD_LIBDEPS="$LIBGCRYPT_LIBS" else AC_DEFINE([HTTPS_SUPPORT],[0],[no libgcrypt or libgnutls]) enable_https="no (lacking libgcrypt or libgnutls)" fi else AC_DEFINE([HTTPS_SUPPORT],[0],[disable HTTPS support]) enable_https="no (disabled)" fi AC_MSG_RESULT($enable_https) AM_CONDITIONAL(ENABLE_HTTPS, test "$enable_https" = "yes") # optional: HTTP Basic Auth support. Enabled by default AC_MSG_CHECKING(whether to support HTTP basic authentication) AC_ARG_ENABLE([bauth], AS_HELP_STRING([--disable-bauth], [disable HTTP basic Auth support]), [enable_bauth=${enableval}], [enable_bauth=yes]) if test "$enable_bauth" = "yes" then AC_DEFINE([BAUTH_SUPPORT],[1],[include basic Auth support]) else AC_DEFINE([BAUTH_SUPPORT],[0],[disable basic Auth support]) fi AC_MSG_RESULT($enable_bauth) AM_CONDITIONAL(ENABLE_BAUTH, [test "x$enable_bauth" != "xno"]) # optional: HTTP Digest Auth support. Enabled by default AC_MSG_CHECKING(whether to support HTTP digest authentication) AC_ARG_ENABLE([dauth], AS_HELP_STRING([--disable-dauth], [disable HTTP basic and digest Auth support]), [enable_dauth=${enableval}], [enable_dauth=yes]) if test "$enable_dauth" = "yes" then AC_DEFINE([DAUTH_SUPPORT],[1],[include digest Auth support]) else AC_DEFINE([DAUTH_SUPPORT],[0],[disable digest Auth support]) fi AC_MSG_RESULT($enable_dauth) AM_CONDITIONAL(ENABLE_DAUTH, [test "x$enable_dauth" != "xno"]) MHD_LIB_LDFLAGS="-export-dynamic -no-undefined" # TODO insert a proper check here AC_CACHE_CHECK([whether -export-symbols-regex works], gn_cv_export_symbols_regex_works, [ case "$host_os" in mingw*) gn_cv_export_symbols_regex_works=no;; *) gn_cv_export_symbols_regex_works=yes;; esac ]) # gcov compilation AC_MSG_CHECKING(whether to compile with support for code coverage analysis) AC_ARG_ENABLE([coverage], AS_HELP_STRING([--enable-coverage], [compile the library with code coverage support]), [use_gcov=${enableval}], [use_gcov=no]) AC_MSG_RESULT($use_gcov) AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"]) AC_SUBST(MHD_LIB_LDFLAGS) # for pkg-config AC_SUBST(MHD_LIBDEPS) AC_SUBST(CPPFLAGS) AC_SUBST(LIBS) AC_SUBST(LDFLAGS) AC_SUBST(EXT_LIB_PATH) AC_SUBST(EXT_LIBS) AC_CONFIG_FILES([ libmicrohttpd.pc Makefile contrib/Makefile doc/Makefile doc/doxygen/Makefile doc/examples/Makefile m4/Makefile src/Makefile src/include/Makefile src/include/plibc/Makefile src/microhttpd/Makefile src/microspdy/Makefile src/spdy2http/Makefile src/examples/Makefile src/testcurl/Makefile src/testcurl/https/Makefile src/testspdy/Makefile src/testzzuf/Makefile]) AC_OUTPUT AM_CONDITIONAL(ENABLE_MINITASN1, [test -n " " ] ) AM_CONDITIONAL(ENABLE_OPENSSL, [test -n "" ] ) AM_CONDITIONAL(HAVE_LD_OUTPUT_DEF, [test -n "" ] ) AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, [test -n "" ] ) # Finally: summary if test "$curl" != 1 ; then MSG_CURL="no, many unit tests will not run" else MSG_CURL="yes" fi if test "$gcrypt" != true then MSG_GCRYPT="no, HTTPS will not be built" else MSG_GCRYPT="yes" fi AC_MSG_NOTICE([Configuration Summary: Operating System: ${host_os} libgcrypt: ${MSG_GCRYPT} libcurl (testing): ${MSG_CURL} Target directory: ${prefix} Messages: ${enable_messages} Basic auth.: ${enable_bauth} Digest auth.: ${enable_dauth} Postproc: ${enable_postprocessor} HTTPS support: ${enable_https} epoll support: ${enable_epoll} libmicrospdy: ${enable_spdy} spdylay (testing): ${have_spdylay} ]) if test "x$enable_https" = "xyes" then AC_MSG_NOTICE([HTTPS subsystem configuration: License : LGPL only ]) else AC_MSG_NOTICE([ License : LGPL or eCos ]) fi libmicrohttpd-0.9.33/config.sub0000755000175000017500000010532712255340774013377 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-04-18' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze) basic_machine=microblaze-xilinx ;; mingw32) basic_machine=i386-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i386-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; s390 | s390-*) basic_machine=s390-ibm ;; s390x | s390x-*) basic_machine=s390x-ibm ;; sa29200) basic_machine=a29k-amd os=-udi ;; sb1) basic_machine=mipsisa64sb1-unknown ;; sb1el) basic_machine=mipsisa64sb1el-unknown ;; sde) basic_machine=mipsisa32-sde os=-elf ;; sei) basic_machine=mips-sei os=-seiux ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sh5el) basic_machine=sh5le-unknown ;; sh64) basic_machine=sh64-unknown ;; sparclite-wrs | simso-wrs) basic_machine=sparclite-wrs os=-vxworks ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; st2000) basic_machine=m68k-tandem ;; stratus) basic_machine=i860-stratus os=-sysv4 ;; strongarm-* | thumb-*) basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; sv1) basic_machine=sv1-cray os=-unicos ;; symmetry) basic_machine=i386-sequent os=-dynix ;; t3e) basic_machine=alphaev5-cray os=-unicos ;; t90) basic_machine=t90-cray os=-unicos ;; tile*) basic_machine=$basic_machine-unknown os=-linux-gnu ;; tx39) basic_machine=mipstx39-unknown ;; tx39el) basic_machine=mipstx39el-unknown ;; toad1) basic_machine=pdp10-xkl os=-tops20 ;; tower | tower-32) basic_machine=m68k-ncr ;; tpf) basic_machine=s390x-ibm os=-tpf ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; v810 | necv810) basic_machine=v810-nec os=-none ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vpp*|vx|vx-*) basic_machine=f301-fujitsu ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; z80-*-coff) basic_machine=z80-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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GNU libmicrohttpd only implements the HTTP 1.1 protocol. The main application must still provide the application logic to generate the content. Additionally, a second, still very experimental library is provided for SPDY (the base for HTTP 2.0) support. libmicrospdy provides a compact API and implementation of SPDY server. libmicrospdy currently only implements partially version 3 of SPDY. Installation ============ If you are using Subversion, run "autoreconf -fi" to create configure. In order to run the testcases, you need a recent version of libcurl. libcurl is not required if you just want to install the library. Especially for development, do use the MHD_USE_DEBUG option to get error messages. Requirements for libmicrospdy ============================= The following packages are needed to build libmicrospdy: * zlib * OpenSSL >= 1.0.1 To run the test cases, involving requests, version of Spdylay, supporting SPDY v3, is required. Spdylay is still under development and can be found here: http://spdylay.sourceforge.net/ Configure options ================= If you are concerned about space, you should set "CFLAGS" to "-Os -fomit-frame-pointer" to have gcc generate tight code. You can use the following options to disable certain MHD features: --disable-https: no HTTPS / TLS / SSL support (significant reduction) --disable-messages: no error messages (they take space!) --disable-postprocessor: no MHD_PostProcessor API --disable-dauth: no digest authentication API --disable-epoll: no support for epoll, even on Linux The resulting binary should be about 30-40k depending on the platform. Portability =========== The latest version of libmicrohttpd will try to avoid SIGPIPE on its sockets. This should work on OS X, Linux and recent BSD systems (at least). On other systems that may trigger a SIGPIPE on send/recv, the main application should install a signal handler to handle SIGPIPE. libmicrohttpd should work well on GNU/Linux, BSD, OS X, W32 and z/OS. Note that HTTPS is not supported on z/OS (yet). We also have reports of users using it on vxWorks and Symbian. Note that on platforms where the compiler does not support the "constructor" attribute, you must call "MHD_init" before using any MHD functions and "MHD_fini" after you are done using MHD. Development Status ================== This is a beta release for libmicrohttpd. Before declaring the library stable, we should implement support for HTTP "Upgrade" requests and have testcases for the following features: - HTTP/1.1 pipelining (need to figure out how to ensure curl pipelines -- and it seems libcurl has issues with pipelining, see http://curl.haxx.se/mail/lib-2007-12/0248.html) - resource limit enforcement - client queuing early response, suppressing 100 CONTINUE - chunked encoding to validate handling of footers - more testing for SSL support - MHD basic and digest authentication In particular, the following functions are not covered by 'make check': - mhd_panic_std (daemon.c); special case (abort) - parse_options (daemon.c) - MHD_set_panic_func (daemon.c) - MHD_get_version (daemon.c) This is an early alpha release for libmicrospdy. The following things should be implemented (in order of importance) before we can claim to be reasonably complete: - 8 different output queues (one for each priority) have to be implemented together with a suitable algorithm for utilizing them. Otherwise, downloading a file will block all responses with same or smaller priority - SPDY RST_STREAM sending on each possible error (DONE?) - SPDY_close_session - Find the best way for closing still opened stream (new call or existing) - SPDY_is_stream_opened - SPDY PING (used often by browsers) - receiving SPDY WINDOW_UPDATE - SPDY Settings - SPDY PUSH - SPDY HEADERS - SPDY Credentials Additional ideas for features include: - Individual callbacks for each session - Individual timeout for each session Unimplemented API functions of libmicrospdy: - SPDY_settings_create (); - SPDY_settings_add (...); - SPDY_settings_lookup (...); - SPDY_settings_iterate (...); - SPDY_settings_destroy (...); - SPDY_close_session(...); - SPDY_send_ping(...); - SPDY_send_settings (...); In particular, we should write tests for: - Enqueueing responses while considering request priorities. - HTTP methods other than GET Missing documentation: ====================== - libmicrospdy manual: * missing entirely libmicrohttpd-0.9.33/libmicrospdy.pc.in0000644000175000017500000000043512141524577015036 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libmicrospdy Description: A library for creating an embedded SPDY server Version: @VERSION@ Requires: Conflicts: Libs: -L${libdir} -lmicrospdy Libs.private: @SPDY_LIBDEPS@ Cflags: -I${includedir} libmicrohttpd-0.9.33/acinclude.m40000644000175000017500000000645511665164670013612 00000000000000AC_DEFUN([CHECK_PLIBC], [ # On windows machines, check if PlibC is available. 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