mod_dnssd-0.6/0000777000175000020030000000000011137742304010330 500000000000000mod_dnssd-0.6/LICENSE0000664000175000020030000002613611136120732011255 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. 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you # may not use this file except in compliance with the License. You # may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. See the License for the specific language governing # permissions and limitations under the License. EXTRA_DIST=bootstrap.sh LICENSE src/mod_dnssd.c src/Makefile.in SUBDIRS=src doc MAINTAINERCLEANFILES = noinst_DATA = LICENSE if USE_LYNX MAINTAINERCLEANFILES += README noinst_DATA += README README: rm -f README $(MAKE) -C doc README cd $(srcdir) && ln -s doc/README README endif homepage: all dist test -d $$HOME/homepage/private mkdir -p $$HOME/homepage/private/projects/mod_dnssd cp *.tar.gz $$HOME/homepage/private/projects/mod_dnssd cp doc/README.html doc/style.css $$HOME/homepage/private/projects/mod_dnssd ln -sf $$HOME/homepage/private/projects/mod_dnssd/README.html $$HOME/homepage/private/projects/mod_dnssd/index.html distcleancheck: @: .PHONY: homepage distcleancheck mod_dnssd-0.6/bootstrap.sh0000775000175000020030000000254311136121172012617 00000000000000#!/bin/bash # $Id$ # Copyright 2006 Lennart Poettering # # Licensed under the Apache License, Version 2.0 (the "License"); you # may not use this file except in compliance with the License. You # may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. See the License for the specific language governing # permissions and limitations under the License. VERSION=1.10 run_versioned() { local P local V V=$(echo "$2" | sed -e 's,\.,,g') if [ -e "`which $1$V`" ] ; then P="$1$V" else if [ -e "`which $1-$2`" ] ; then P="$1-$2" else P="$1" fi fi shift 2 "$P" "$@" } set -ex if [ "x$1" = "xam" ] ; then run_versioned automake "$VERSION" -a -c --foreign ./config.status else rm -rf autom4te.cache rm -f config.cache touch config.rpath mkdir -p m4 run_versioned aclocal "$VERSION" -I m4 run_versioned autoconf 2.63 -Wall run_versioned autoheader 2.63 run_versioned automake "$VERSION" -a -c --foreign if test "x$NOCONFIGURE" = "x"; then CFLAGS="-g -O0" ./configure --sysconfdir=/etc "$@" make clean fi fi mod_dnssd-0.6/src/0000777000175000020030000000000011137742304011117 500000000000000mod_dnssd-0.6/src/Makefile.in0000664000175000020030000000234611136120732013101 00000000000000# $Id$ # Copyright 2006 Lennart Poettering # # Licensed under the Apache License, Version 2.0 (the "License"); you # may not use this file except in compliance with the License. You # may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. See the License for the specific language governing # permissions and limitations under the License. APXS=@APXS@ APACHECTL=@APACHECTL@ LIBS=-Wl,"@LIBS@" @AVAHI_LIBS@ CFLAGS=-Wc,"@CFLAGS@" @AVAHI_CFLAGS@ all: mod_dnssd.la mod_dnssd.la: @srcdir@/mod_dnssd.c $(APXS) -c $(CFLAGS) $(LIBS) @srcdir@/mod_dnssd.c install: all $(APXS) -i -a mod_dnssd.la clean: rm -rf *.o *.so *.loT .deps/ *.la *.lo *.slo .libs/ reload: install restart start: $(APACHECTL) start restart: $(APACHECTL) restart stop: $(APACHECTL) stop mostlyclean: clean distclean: clean maintainer-clean: clean rm -f Makefile Makefile: @srcdir@/Makefile.in (cd .. && ./config.status ) .PHONY: all install clean reload start restart stop mostlyclean distclean maintainer-clean distdir mod_dnssd-0.6/src/mod_dnssd.c0000664000175000020030000006270011137740700013156 00000000000000/* $Id$ */ /*** Copyright 2006 Lennart Poettering Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ***/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MOD_DNSSD_USERDATA_KEY "mod-dnssd" struct runtime_data; struct service_data { struct runtime_data *runtime; apr_pool_t *pool; char *host_name; uint16_t port; char *location; char *name; apr_array_header_t *txt_record; apr_array_header_t *types; int append_host_name; char *chosen_name; AvahiEntryGroup *group; struct service_data *next; }; struct runtime_data { server_rec *main_server; AvahiClient *client; AvahiSimplePoll *simple_poll; struct global_config_data *global_config_data; apr_pool_t* pool; struct service_data *services; }; struct global_config_data { int enabled; int user_dir; int vhost; const char *user_dir_path; }; static int sigterm_pipe_fds[2] = { -1, -1 }; module AP_MODULE_DECLARE_DATA dnssd_module; #define GET_CONFIG_DATA(s) ap_get_module_config((s)->module_config, &dnssd_module) static int set_nonblock(int fd) { int n; ap_assert(fd >= 0); if ((n = fcntl(fd, F_GETFL)) < 0) return -1; if (n & O_NONBLOCK) return 0; return fcntl(fd, F_SETFL, n|O_NONBLOCK); } static void add_service(struct runtime_data *r, const char *host_name, uint16_t port, const char *location, const char *name, const char *types, int append_host_name, const char *txt_record) { struct service_data *d; char *w; ap_assert(r); /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "add_service: %s %s %s %s", host_name, location, name, txt_record); */ d = apr_palloc(r->pool, sizeof(struct service_data)); ap_assert(d); d->pool = NULL; d->runtime = r; d->host_name = apr_pstrdup(r->pool, host_name); d->port = port; d->location = apr_pstrdup(r->pool, location); d->name = apr_pstrdup(r->pool, name); d->append_host_name = append_host_name; d->chosen_name = NULL; d->types = apr_array_make(r->pool, 4, sizeof(char*)); if (types) while (*(w = ap_getword_conf(r->pool, &types)) != 0) *(char**) apr_array_push(d->types) = w; d->txt_record = apr_array_make(r->pool, 4, sizeof(char*)); if (txt_record) while (*(w = ap_getword_conf(r->pool, &txt_record)) != 0) *(char**) apr_array_push(d->txt_record) = w; d->group = NULL; d->next = r->services; r->services = d; /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "done"); */ } static void assemble_services(struct runtime_data *r) { ap_directive_t *v; const char *default_host_name = NULL; uint16_t default_port = 0; struct service_data *j; apr_pool_t *t; ap_assert(r); apr_pool_create(&t, r->pool); for (v = ap_conftree; v; v = v->next) { const char *a = v->args; if (strcasecmp(v->directive, "ServerName") == 0) { const char *tdhn = NULL; char *colon; tdhn = ap_getword_conf(t, &a); colon = strrchr(tdhn, ':'); if (colon) { apr_size_t sz; if (!default_port) { default_port = (uint16_t) atoi(colon+1); } sz = colon - tdhn; default_host_name = apr_pstrndup(t, tdhn, sz); } else { default_host_name = tdhn; } } else if (strcasecmp(v->directive, "Listen") == 0) { char *sp; if (!default_port) { char *colon; sp = ap_getword_conf(t, &a); if ((colon = strrchr(sp, ':'))) sp = colon + 1; default_port = (uint16_t) atoi(sp); } } else if (strcasecmp(v->directive, "DNSSDServicePort") == 0) default_port = (uint16_t) atoi(a); else if (strcasecmp(v->directive, "services; if ((colon = strrchr(v->args, ':'))) vport = (uint16_t) atoi(colon+1); /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "VHOST: %s ", v->directive); */ for (l = v->first_child; l; l = l->next) { a = l->args; /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "VHOST_INTERNAL %s | %s | %s | %s", l->directive, l->args, vname, vtypes); */ if (strcasecmp(l->directive, "ServerName") == 0) { const char *thn = NULL; thn = ap_getword_conf(t, &a); colon = strrchr(thn, ':'); if (colon) { apr_size_t sz; if (!vport) vport = (uint16_t) atoi(colon+1); sz = colon - thn; host_name = apr_pstrndup(t, thn, sz); } else { host_name = thn; } } else if (strcasecmp(l->directive, "DNSSDServiceName") == 0) vname = ap_getword_conf(t, &a); else if (strcasecmp(l->directive, "DNSSDServiceTypes") == 0) vtypes = a; else if (strcasecmp(l->directive, "DNSSDServicePort") == 0) vport = (uint16_t) atoi(a); else if (strcasecmp(l->directive, "DNSSDServiceTxtRecord") == 0) txt_record = a; else if (strcasecmp(l->directive, "args); if (*path != 0 && (path[(i = strlen(path) - 1)] == '>')) path[i] = 0; for (s = l->first_child; s; s = s->next) { a = s->args; if (strcasecmp(s->directive, "DNSSDServiceName") == 0) sname = ap_getword_conf(t, &a); else if (strcasecmp(s->directive, "DNSSDServiceTypes") == 0) stypes = a; else if (strcasecmp(s->directive, "DNSSDServiceTxtRecord") == 0) txt_record = a; else if (strcasecmp(s->directive, "DNSSDServicePort") == 0) sport = (uint16_t) atoi(a); } if (sname) add_service(r, NULL, sport, path, sname, stypes, 0, txt_record); } } /* Fill in missing data in based services */ for (j = r->services; j && j != marker; j = j->next) { if (!j->pool) j->port = vport; j->host_name = apr_pstrdup(r->pool, host_name); } if (r->global_config_data->vhost || vname || vtypes || txt_record) add_service(r, host_name, vport, NULL, vname ? vname : host_name, vtypes, 0, txt_record); } } /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "ping"); */ if (r->global_config_data->user_dir) { struct passwd *pw; apr_pool_t *p_loop; apr_pool_create(&p_loop, t); while ((pw = getpwent())) { apr_finfo_t finfo; char *path; const char *u; apr_pool_clear(p_loop); if (pw->pw_uid < 500) continue; if (*pw->pw_dir == 0 || strcmp(pw->pw_dir, "/") == 0) continue; path = apr_pstrcat(p_loop, pw->pw_dir, "/", r->global_config_data->user_dir_path, NULL); if (apr_stat(&finfo, path, APR_FINFO_TYPE, p_loop) != APR_SUCCESS) continue; if (finfo.filetype != APR_DIR) continue; if (access(path, X_OK) != 0) continue; if (pw->pw_gecos && *pw->pw_gecos) { char *comma; u = apr_pstrdup(p_loop, pw->pw_gecos); if ((comma = strchr(u, ','))) *comma = 0; } else u = pw->pw_name; add_service(r, NULL, 0, apr_pstrcat(p_loop, "/~", pw->pw_name, NULL), apr_pstrcat(p_loop, u, " on ", NULL), NULL, 1, NULL); } endpwent(); apr_pool_destroy(p_loop); } if (!default_port) default_port = 80; /* Fill in missing data in all services */ for (j = r->services; j; j = j->next) { if (!j->port) j->port = default_port; if (!j->host_name) j->host_name = apr_pstrdup(r->pool, default_host_name); if (!j->name) j->name = apr_pstrdup(r->pool, j->host_name); } apr_pool_destroy(t); } static void create_service(struct service_data *j); static void service_callback(AVAHI_GCC_UNUSED AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) { struct service_data *j = userdata; switch (state) { case AVAHI_ENTRY_GROUP_UNCOMMITED: case AVAHI_ENTRY_GROUP_REGISTERING: case AVAHI_ENTRY_GROUP_ESTABLISHED: break; case AVAHI_ENTRY_GROUP_COLLISION: { char *n; ap_assert(j->chosen_name); n = avahi_alternative_service_name(j->chosen_name); ap_log_error(APLOG_MARK, APLOG_WARNING, 0, j->runtime->main_server, "Name collision on '%s', changing to '%s'", j->chosen_name, n); apr_pool_clear(j->pool); j->chosen_name = apr_pstrdup(j->pool, n); create_service(j); break; } case AVAHI_ENTRY_GROUP_FAILURE: ap_log_error(APLOG_MARK, APLOG_ERR, 0, j->runtime->main_server, "Failed to register service: %s", avahi_strerror(avahi_client_errno(j->runtime->client))); break; } } static void create_service(struct service_data *j) { apr_pool_t *t; const char *n; char *p; struct runtime_data *r = j->runtime; char **type, **txt_record; AvahiStringList *strlist = NULL; if (!j->group) if (!(j->group = avahi_entry_group_new(r->client, service_callback, j))) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "avahi_entry_group_new() failed: %s", avahi_strerror(avahi_client_errno(r->client))); return; } ap_assert(j->group); ap_assert(avahi_entry_group_is_empty(j->group)); apr_pool_create(&t, r->pool); /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "Service <%s>, host <%s>, port <%u>, location <%s>", j->name, j->host_name, j->port, j->location); */ if (j->chosen_name) n = j->chosen_name; else if (!j->name) n = avahi_client_get_host_name(r->client); else if (j->append_host_name) n = apr_pstrcat(t, j->name, avahi_client_get_host_name(r->client), NULL); else n = j->name; if (!j->pool) apr_pool_create(&j->pool, r->pool); if (n != j->chosen_name) { apr_pool_clear(j->pool); j->chosen_name = apr_pstrdup(j->pool, n); } p = j->location ? apr_pstrcat(t, "path=", j->location, NULL) : NULL; /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "%s, %s", p, n); */ txt_record = (char **) j->txt_record->elts; for ( ; *txt_record ; txt_record++) strlist = avahi_string_list_add(strlist, *txt_record); if (p) strlist = avahi_string_list_add(strlist, p); if (apr_is_empty_array(j->types)) { if (avahi_entry_group_add_service_strlst( j->group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, n, j->port == 443 ? "_https._tcp" : "_http._tcp", NULL, j->host_name, j->port, strlist) < 0) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "avahi_entry_group_add_service_strlst(\"%s\") failed: %s", n, avahi_strerror(avahi_client_errno(r->client))); } } else { for (type = (char**) j->types->elts; *type; type++) { if (avahi_entry_group_add_service_strlst( j->group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, n, *type, NULL, j->host_name, j->port, strlist) < 0) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "avahi_entry_group_add_service_strlst(\"%s\") failed: %s", n, avahi_strerror(avahi_client_errno(r->client))); } } } avahi_string_list_free(strlist); if (avahi_entry_group_is_empty(j->group)) { avahi_entry_group_free(j->group); j->group = NULL; } else avahi_entry_group_commit(j->group); apr_pool_destroy(t); } static void create_all_services(struct runtime_data *r) { struct service_data *j; ap_assert(r); for (j = r->services; j; j = j->next) create_service(j); } static void reset_services(struct runtime_data *r) { struct service_data *j; ap_assert(r); for (j = r->services; j; j = j->next) { if (j->group) avahi_entry_group_reset(j->group); if (j->pool) apr_pool_clear(j->pool); j->chosen_name = NULL; } } static void free_services(struct runtime_data *r) { struct service_data *j; ap_assert(r); for (j = r->services; j; j = j->next) { if (j->group) { avahi_entry_group_free(j->group); j->group = NULL; } if (j->pool) apr_pool_clear(j->pool); j->chosen_name = NULL; } } static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata) { struct runtime_data *r = userdata; ap_assert(r); r->client = c; /* ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->main_server, "client_callback(%u)", state); */ switch (state) { case AVAHI_CLIENT_S_RUNNING: create_all_services(r); break; case AVAHI_CLIENT_S_COLLISION: reset_services(r); break; case AVAHI_CLIENT_FAILURE: if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) { int error; free_services(r); avahi_client_free(r->client); if ((r->client = avahi_client_new(avahi_simple_poll_get(r->simple_poll), AVAHI_CLIENT_NO_FAIL, client_callback, r, &error))) break; ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "avahi_client_new() failed: %s", avahi_strerror(error)); } else ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->main_server, "Client failure: %s", avahi_strerror(avahi_client_errno(c))); avahi_simple_poll_quit(r->simple_poll); break; case AVAHI_CLIENT_CONNECTING: case AVAHI_CLIENT_S_REGISTERING: break; } } static void sigterm(AVAHI_GCC_UNUSED int s) { const char c = 'x'; write(sigterm_pipe_fds[1], &c, sizeof(c)); } static void watch_callback(AvahiWatch *w, int fd, AvahiWatchEvent event, void *userdata) { char c; ssize_t l; struct runtime_data *r = userdata; ap_assert(w); ap_assert(fd == sigterm_pipe_fds[0]); ap_assert(event == AVAHI_WATCH_IN); ap_assert(r); l = read(fd, &c, sizeof(c)); ap_assert(l == sizeof(c)); avahi_simple_poll_quit(r->simple_poll); } static void child_process(apr_pool_t *p, server_rec *server, struct global_config_data *d) { struct runtime_data r; int error; const AvahiPoll *api; AvahiWatch *w; ap_assert(d); unixd_setup_child(); if (pipe(sigterm_pipe_fds) < 0) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "pipe() failed: %s", strerror(errno)); goto quit; } set_nonblock(sigterm_pipe_fds[0]); set_nonblock(sigterm_pipe_fds[1]); apr_signal(SIGTERM, sigterm); apr_signal(SIGHUP, sigterm); apr_signal(AP_SIG_GRACEFUL, SIG_IGN); r.main_server = server; r.global_config_data = d; r.client = NULL; r.simple_poll = NULL; r.services = NULL; apr_pool_create(&r.pool, p); /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "Child process startup pid=%lu", (unsigned long) getpid()); */ assemble_services(&r); if (!r.services) { ap_log_error(APLOG_MARK, APLOG_WARNING, 0, r.main_server, __FILE__": No services found to register"); goto quit; } if (!(r.simple_poll = avahi_simple_poll_new())) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "avahi_simple_poll_new() failed: %s", strerror(errno)); goto quit; } api = avahi_simple_poll_get(r.simple_poll); w = api->watch_new(api, sigterm_pipe_fds[0], AVAHI_WATCH_IN, watch_callback, &r); ap_assert(w); if (!(r.client = avahi_client_new(avahi_simple_poll_get(r.simple_poll), AVAHI_CLIENT_NO_FAIL, client_callback, &r, &error))) { ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "avahi_client_new() failed: %s", avahi_strerror(error)); goto quit; } /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "Child process running"); */ avahi_simple_poll_loop(r.simple_poll); quit: if (r.client) avahi_client_free(r.client); if (r.simple_poll) avahi_simple_poll_free(r.simple_poll); if (r.pool) apr_pool_destroy(r.pool); if (sigterm_pipe_fds[0] >= 0) close(sigterm_pipe_fds[0]); if (sigterm_pipe_fds[1] >= 0) close(sigterm_pipe_fds[1]); sigterm_pipe_fds[0] = sigterm_pipe_fds[1] = -1; /* ap_log_error(APLOG_MARK, APLOG_ERR, 0, r.main_server, "Child process ending"); */ } static int start_child_process(apr_pool_t *p, server_rec *server, struct global_config_data *d) { apr_proc_t* proc; apr_status_t status; /* ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, server, "Spawning child pid=%lu", (unsigned long) getpid()); */ proc = apr_palloc(p, sizeof(apr_proc_t)); ap_assert(proc); switch (status = apr_proc_fork(proc, p)) { case APR_INCHILD: child_process(p, server, d); exit(1); /* never reached */ break; case APR_INPARENT: apr_pool_note_subprocess(p, proc, APR_KILL_ONLY_ONCE); /* ap_log_error(APLOG_MARK, APLOG_NOTICE, status, server, "Child process %lu", (unsigned long) proc->pid); */ break; default: ap_log_error(APLOG_MARK, APLOG_ERR, status, server, "apr_proc_fork() failed"); return HTTP_INTERNAL_SERVER_ERROR; } return OK; } static int post_config( apr_pool_t *pconf, AVAHI_GCC_UNUSED apr_pool_t *plog, AVAHI_GCC_UNUSED apr_pool_t *ptemp, server_rec *s) { void *flag; struct global_config_data *d = GET_CONFIG_DATA(s); /* All post_config hooks are called twice, we're only interested in the second call. */ apr_pool_userdata_get(&flag, MOD_DNSSD_USERDATA_KEY, s->process->pool); if (!flag) { apr_pool_userdata_set((void*) 1, MOD_DNSSD_USERDATA_KEY, apr_pool_cleanup_null, s->process->pool); return OK; } if (d->enabled) return start_child_process(pconf, s, d); return OK; } static void register_hooks(AVAHI_GCC_UNUSED apr_pool_t *p){ ap_hook_post_config(post_config, NULL, NULL, APR_HOOK_LAST); } static void *create_server_config(apr_pool_t *p, AVAHI_GCC_UNUSED server_rec *s) { struct global_config_data *d; d = apr_palloc(p, sizeof(struct global_config_data)); ap_assert(d); d->enabled = 0; d->user_dir = 1; d->vhost = 1; d->user_dir_path = "public_html"; return d; } static const char *cmd_dnssd_enable( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, int enable) { struct global_config_data *d = GET_CONFIG_DATA(cmd->server); const char *err; if ((err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) return err; d->enabled = enable; return NULL; } static const char *cmd_dnssd_enable_user_dir( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, int enable) { struct global_config_data *d = GET_CONFIG_DATA(cmd->server); const char *err; if ((err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) return err; d->user_dir = enable; return NULL; } static const char *cmd_dnssd_enable_vhost( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, int enable) { struct global_config_data *d = GET_CONFIG_DATA(cmd->server); const char *err; if ((err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) return err; d->vhost = enable; return NULL; } static const char *cmd_dnssd_user_dir_path( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, const char *value) { struct global_config_data *d = GET_CONFIG_DATA(cmd->server); const char *err; if ((err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) return err; if (value[0] == '~') return "Bad syntax"; d->user_dir_path = value; return NULL; } static const char *cmd_dnssd_service_name( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, const char *value) { const char *err; if ((err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES|NOT_IN_LIMIT))) return err; if (!avahi_is_valid_service_name(value)) return "Invalid service name"; return NULL; } static const char *cmd_dnssd_service_type( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, const char *value) { const char *err; if ((err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES|NOT_IN_LIMIT))) return err; if (!avahi_is_valid_service_type_strict(value)) return "Invalid service type"; return NULL; } static const char *cmd_dnssd_service_port( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, const char *value) { const char *err; int i; if ((err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES|NOT_IN_LIMIT))) return err; i = atoi(value); if (i <= 0 || i > 0xFFFF) return "Invalid port number"; return NULL; } static const char *cmd_dnssd_service_txt_record( cmd_parms *cmd, AVAHI_GCC_UNUSED void *mconfig, AVAHI_GCC_UNUSED const char *value) { const char *err; if ((err = ap_check_cmd_context(cmd, NOT_IN_DIRECTORY|NOT_IN_FILES|NOT_IN_LIMIT))) return err; return NULL; } static const command_rec commands[] = { AP_INIT_FLAG( "DNSSDEnable", cmd_dnssd_enable, NULL, RSRC_CONF, "Enable/disable DNS-SD registration entirely (default: no)"), AP_INIT_FLAG( "DNSSDAutoRegisterUserDir", cmd_dnssd_enable_user_dir, NULL, RSRC_CONF, "Enable/disable DNS-SD registration of ~/public_html (default: yes)"), AP_INIT_FLAG( "DNSSDAutoRegisterVHosts", cmd_dnssd_enable_vhost, NULL, RSRC_CONF, "Enable/disable DNS-SD registration of all virtual hosts (default: yes)"), AP_INIT_TAKE1( "DNSSDUserDir", cmd_dnssd_user_dir_path, NULL, RSRC_CONF, "Set the user directory to use instead of public_html"), AP_INIT_TAKE1( "DNSSDServiceName", cmd_dnssd_service_name, NULL, OR_OPTIONS, "Set the DNS-SD service name"), AP_INIT_ITERATE( "DNSSDServiceTypes", cmd_dnssd_service_type, NULL, OR_OPTIONS, "Set one or more DNS-SD service types"), AP_INIT_ITERATE( "DNSSDServicePort", cmd_dnssd_service_port, NULL, OR_OPTIONS, "Set the IP port this service should be accessed with."), AP_INIT_ITERATE( "DNSSDServiceTxtRecord", cmd_dnssd_service_txt_record, NULL, OR_OPTIONS, "Set one or more DNS-SD TXT records"), { NULL } }; module AP_MODULE_DECLARE_DATA dnssd_module = { STANDARD20_MODULE_STUFF, NULL, /* create per-dir config structures */ NULL, /* merge per-dir config structures */ create_server_config, /* create per-server config structures */ NULL, /* merge per-server config structures */ commands, /* table of config file commands */ register_hooks /* register hooks */ }; /* vim:set expandtab: */ mod_dnssd-0.6/missing0000755000175000020030000002557711136121364011657 00000000000000#! /bin/sh # Common stub for a few missing GNU programs while installing. scriptversion=2006-05-10.23 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006 # Free Software Foundation, Inc. # Originally by Fran,cois Pinard , 1996. # 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; 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You may want to install GNU tar or Free paxutils, or check the command line arguments." exit 1 ;; *) echo 1>&2 "\ WARNING: \`$1' is needed, and is $msg. You might have modified some files without having the proper tools for further handling them. Check the \`README' file, it often tells you about the needed prerequisites for installing this package. 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See the License for the specific language governing # permissions and limitations under the License. AC_PREREQ(2.63) AC_INIT([mod_dnssd],[0.6],[mzzbqqaffq (at) 0pointer (dot) net]) AC_CONFIG_SRCDIR([src/mod_dnssd.c]) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_HEADERS([config.h]) AM_INIT_AUTOMAKE([foreign 1.10 -Wall]) AC_SUBST(PACKAGE_URL, [http://0pointer.de/lennart/projects/mod_dnssd/]) # Checks for programs. 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mod_dnssd 0.6

Copyright 2006-2009 Lennart Poettering <mzzbqqaffq (at) 0pointer (dot) net>

License

Copyright 2006-2009 Lennart Poettering

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

News

Wed Jan 18 2009:

Version 0.6 released, changes include: add a new directive DNSSDServiceTxtRecord

Tue Apr 17 2007:

Version 0.5 released, changes include: updated for Apache 2.2; for compatibility with older Apache versions please use mod_dnssd 0.4.

Sat Apr 1 2006:

Version 0.4 released, changes include: deal properly with vhosts listening on ports != 80; add new DNSSDUserDir directive.

Sun Jan 22 2006:

Version 0.3 released, changes include: fix compilation on FreeBSD and Mandriva; compatibility with Apache 2.2; fix a memory corruption bug

Sat Jan 21 2006:

Version 0.2 released, changes include: handle graceful restarts properly, other smaller cleanups

Thu Jan 19 2006:

Version 0.1 released, initial realease

Overview

mod_dnssd is an Apache HTTPD module which adds Zeroconf support via DNS-SD using Avahi.

Status

Version 0.6 is more or less stable and fulfills its purpose.

Documentation

For activating mod_dnssd just load it into the server and use the global directive DNSSDEnable to enable it: 

DNSSDEnable on

That's it, nothing more is required! The module publishes all configured virtual hosts and the mod_userdir directories of all local users. For mod_userdir to work you need to load that module and configure it for the path ~/public_html/.

Please note that all ServerNames used in the Apache configuration files for services that shall be published with Avahi/DNS-SD need to be valid and in FQDN format, i.e. resolvable via mDNS or traditional DNS, and consist of at least two labels. (foobar does not qualify as such, but foobar.local does.)

Advanced Features

Five other directives are available: the global directive DNSSDAutoRegisterUserDir can be used to disable automatic registration of mod_userdir directories. The global directive DNSSDAutoRegisterVHosts can be used to disable automatic registration of all local virtual hosts.

The two directives DNSSDServiceName and DNSSDServiceTypes which can be placed inside a <VirtualHost> or <Location> section can be used to define additional services for publishing or to finetune the service name or types of virtual hosts. If placed inside a <VirtualHost> you can change the service types and name of the attached service (if used with DNSSDAutoRegisterVHosts set to on) or to register a service for the virtual host (if used with DNSSDAutoRegisterVHosts disabled). DNSSDServiceTypes takes a list of at least one DNS-SD service type (defaults to _http._tcp). A good example when to pass more than one service type is a WebDAV server:

DNSSDServiceTypes _http._tcp _webdav._tcp

This will register the server both as HTTP and as WebDAV service. Please note that both services do have different types but share the same name! Other areas where this might become handy is when registering RSS formatted blogs or XMLRPC services.

DNSSDServiceName and DNSSDServiceTypes are especially useful inside a <Location> block. Using this notation you can register additional services in subdirectories of the server. A quick and incomplete example:

...
DNSSDEnable On
DNSSDAutoRegisterVHosts On
DNSSDAutoRegisterUserDir On

<VirtualHost *>
    DocumentRoot /var/www
    DNSSDServiceName "Our Little Home Web Server"

    <Location /doc>
        DNSSDServiceName "Documentation"
        ...
    </Location>

    <Location /squirrelmail>
        DNSSDServiceName "Webmail"
        ...
    </Location>

    <Location /webdav>
        DAV On
        DNSSDServiceName "Our WebDAV folder"
        DNSSDServiceTypes _webdav._tcp _http._tcp
        ...
    </Location>

    <Location /blog.rss>
        DNSSDServiceName "The Blog"
        DNSSDServiceTypes _rss._tcp
        ...
    </Location>

    ...
</VirtualHost>

...

This will register six services: Our Little Home Web Server, Documentation, Webmail and Our WebDAV folder as type _http._tcp, Our WebDAV folder a second time under the type _webdav._tcp and finally The Blog as type _rss._tcp.

The directive DNSSDServicePort can be used to tell mod_dnssd the right port number in complicated setups, where it fails to detect the correct one to use. It is seldomly used and you probably shouldn't bother.

The global directive DNSSDUserDir may be used to change the directory inside the user's home directory that is published by DNSSDAutoRegisterUserDir. This defaults to public_html. If you used the UserDir directive in your Apache configuration file you probably want to use this directive, too. Please note, however, that DNSSDUserDir doesn't accept the full syntax that UserDir accepts. In fact only the simplest form - a simple string without any * and without the / prefix - is accepted.

You might find this blog article I wrote enlightening which contains more examples how to make use of mod_dnssd.

Requirements

mod_dnssd requires a current release of Apache 2.2 with apxs and a development installation of Avahi 0.6 or newer. mod_dnssd has been tested exclusively with mpm_prefork, your mileage with other MPMs may vary. (Please report successes or failures!)

mod_dnssd has been developed and tested on Debian GNU/Linux "testing" from January 2006, it should work on most other Linux distributions and probably POSIX implementations since it uses GNU autoconf and Apache apxs for source code configuration.

Installation

As this package is made with the GNU autotools you should run ./configure inside the distribution directory for configuring the source tree. After that you should run make for compilation and make install (as root) for installation of mod_dnssd.

Acknowledgements

This work was inspired by Sander Temme's and Sebastien Estienne's mod_zeroconf module.

Sebastien Estienne for packaging mod_dnssd for Debian.

Bastien Nocera for adding the DNSSDServiceTxtRecord directive.

Download

The newest release is always available from http://0pointer.de/lennart/projects/mod_dnssd/

The current release is 0.6

Get mod_dnssd's development sources from the GIT repository (gitweb): 

git clone git://git.0pointer.de/mod_dnssd

You may find an up to date Debian package of mod_dnssd in the Debian package repository.

Lennart Poettering <mzzbqqaffq (at) 0pointer (dot) net>, January 2009
mod_dnssd-0.6/doc/Makefile.am0000664000175000020030000000171011136120732013040 00000000000000# $Id$ # Copyright 2006 Lennart Poettering # # Licensed under the Apache License, Version 2.0 (the "License"); you # may not use this file except in compliance with the License. You # may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. See the License for the specific language governing # permissions and limitations under the License. noinst_DATA = README.html EXTRA_DIST = $(noinst_DATA) style.css README.html.in MAINTAINERCLEANFILES = README.html CLEANFILES = if USE_LYNX noinst_DATA += README MAINTAINERCLEANFILES += README CLEANFILES += README README: README.html lynx --dump $^ | sed 's,file://localhost/.*/doc/README.html,README,' > $@ endif tidy: README.html tidy -e < README.html .PHONY: tidy mod_dnssd-0.6/doc/README.html.in0000664000175000020030000002374611137741671013265 00000000000000 mod_dnssd @PACKAGE_VERSION@

mod_dnssd @PACKAGE_VERSION@

Copyright 2006-2009 Lennart Poettering <@PACKAGE_BUGREPORT@>

License

Copyright 2006-2009 Lennart Poettering

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

News

Wed Jan 18 2009:

Version 0.6 released, changes include: add a new directive DNSSDServiceTxtRecord

Tue Apr 17 2007:

Version 0.5 released, changes include: updated for Apache 2.2; for compatibility with older Apache versions please use mod_dnssd 0.4.

Sat Apr 1 2006:

Version 0.4 released, changes include: deal properly with vhosts listening on ports != 80; add new DNSSDUserDir directive.

Sun Jan 22 2006:

Version 0.3 released, changes include: fix compilation on FreeBSD and Mandriva; compatibility with Apache 2.2; fix a memory corruption bug

Sat Jan 21 2006:

Version 0.2 released, changes include: handle graceful restarts properly, other smaller cleanups

Thu Jan 19 2006:

Version 0.1 released, initial realease

Overview

mod_dnssd is an Apache HTTPD module which adds Zeroconf support via DNS-SD using Avahi.

Status

Version @PACKAGE_VERSION@ is more or less stable and fulfills its purpose.

Documentation

For activating mod_dnssd just load it into the server and use the global directive DNSSDEnable to enable it: 

DNSSDEnable on

That's it, nothing more is required! The module publishes all configured virtual hosts and the mod_userdir directories of all local users. For mod_userdir to work you need to load that module and configure it for the path ~/public_html/.

Please note that all ServerNames used in the Apache configuration files for services that shall be published with Avahi/DNS-SD need to be valid and in FQDN format, i.e. resolvable via mDNS or traditional DNS, and consist of at least two labels. (foobar does not qualify as such, but foobar.local does.)

Advanced Features

Five other directives are available: the global directive DNSSDAutoRegisterUserDir can be used to disable automatic registration of mod_userdir directories. The global directive DNSSDAutoRegisterVHosts can be used to disable automatic registration of all local virtual hosts.

The two directives DNSSDServiceName and DNSSDServiceTypes which can be placed inside a <VirtualHost> or <Location> section can be used to define additional services for publishing or to finetune the service name or types of virtual hosts. If placed inside a <VirtualHost> you can change the service types and name of the attached service (if used with DNSSDAutoRegisterVHosts set to on) or to register a service for the virtual host (if used with DNSSDAutoRegisterVHosts disabled). DNSSDServiceTypes takes a list of at least one DNS-SD service type (defaults to _http._tcp). A good example when to pass more than one service type is a WebDAV server:

DNSSDServiceTypes _http._tcp _webdav._tcp

This will register the server both as HTTP and as WebDAV service. Please note that both services do have different types but share the same name! Other areas where this might become handy is when registering RSS formatted blogs or XMLRPC services.

DNSSDServiceName and DNSSDServiceTypes are especially useful inside a <Location> block. Using this notation you can register additional services in subdirectories of the server. A quick and incomplete example:

...
DNSSDEnable On
DNSSDAutoRegisterVHosts On
DNSSDAutoRegisterUserDir On

<VirtualHost *>
    DocumentRoot /var/www
    DNSSDServiceName "Our Little Home Web Server"

    <Location /doc>
        DNSSDServiceName "Documentation"
        ...
    </Location>

    <Location /squirrelmail>
        DNSSDServiceName "Webmail"
        ...
    </Location>

    <Location /webdav>
        DAV On
        DNSSDServiceName "Our WebDAV folder"
        DNSSDServiceTypes _webdav._tcp _http._tcp
        ...
    </Location>

    <Location /blog.rss>
        DNSSDServiceName "The Blog"
        DNSSDServiceTypes _rss._tcp
        ...
    </Location>

    ...
</VirtualHost>

...

This will register six services: Our Little Home Web Server, Documentation, Webmail and Our WebDAV folder as type _http._tcp, Our WebDAV folder a second time under the type _webdav._tcp and finally The Blog as type _rss._tcp.

The directive DNSSDServicePort can be used to tell mod_dnssd the right port number in complicated setups, where it fails to detect the correct one to use. It is seldomly used and you probably shouldn't bother.

The global directive DNSSDUserDir may be used to change the directory inside the user's home directory that is published by DNSSDAutoRegisterUserDir. This defaults to public_html. If you used the UserDir directive in your Apache configuration file you probably want to use this directive, too. Please note, however, that DNSSDUserDir doesn't accept the full syntax that UserDir accepts. In fact only the simplest form - a simple string without any * and without the / prefix - is accepted.

You might find this blog article I wrote enlightening which contains more examples how to make use of mod_dnssd.

Requirements

mod_dnssd requires a current release of Apache 2.2 with apxs and a development installation of Avahi 0.6 or newer. mod_dnssd has been tested exclusively with mpm_prefork, your mileage with other MPMs may vary. (Please report successes or failures!)

mod_dnssd has been developed and tested on Debian GNU/Linux "testing" from January 2006, it should work on most other Linux distributions and probably POSIX implementations since it uses GNU autoconf and Apache apxs for source code configuration.

Installation

As this package is made with the GNU autotools you should run ./configure inside the distribution directory for configuring the source tree. After that you should run make for compilation and make install (as root) for installation of mod_dnssd.

Acknowledgements

This work was inspired by Sander Temme's and Sebastien Estienne's mod_zeroconf module.

Sebastien Estienne for packaging mod_dnssd for Debian.

Bastien Nocera for adding the DNSSDServiceTxtRecord directive.

Download

The newest release is always available from @PACKAGE_URL@

The current release is @PACKAGE_VERSION@

Get mod_dnssd's development sources from the GIT repository (gitweb): 

git clone git://git.0pointer.de/mod_dnssd

You may find an up to date Debian package of mod_dnssd in the Debian package repository.

Lennart Poettering <@PACKAGE_BUGREPORT@>, January 2009
mod_dnssd-0.6/doc/README0000664000175000020030000002112611137742104011673 00000000000000 mod_dnssd 0.6 Copyright 2006-2009 Lennart Poettering * [1]License * [2]News * [3]Overview * [4]Current Status * [5]Documentation * [6]Requirements * [7]Installation * [8]Acknowledgements * [9]Download License Copyright 2006-2009 Lennart Poettering Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at [10]http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. News Wed Jan 18 2009: [11]Version 0.6 released, changes include: add a new directive DNSSDServiceTxtRecord Tue Apr 17 2007: [12]Version 0.5 released, changes include: updated for Apache 2.2; for compatibility with older Apache versions please use mod_dnssd 0.4. Sat Apr 1 2006: [13]Version 0.4 released, changes include: deal properly with vhosts listening on ports != 80; add new DNSSDUserDir directive. Sun Jan 22 2006: [14]Version 0.3 released, changes include: fix compilation on FreeBSD and Mandriva; compatibility with Apache 2.2; fix a memory corruption bug Sat Jan 21 2006: [15]Version 0.2 released, changes include: handle graceful restarts properly, other smaller cleanups Thu Jan 19 2006: [16]Version 0.1 released, initial realease Overview mod_dnssd is an [17]Apache HTTPD module which adds [18]Zeroconf support via [19]DNS-SD using [20]Avahi. Status Version 0.6 is more or less stable and fulfills its purpose. Documentation For activating mod_dnssd just load it into the server and use the global directive DNSSDEnable to enable it: DNSSDEnable on That's it, nothing more is required! The module publishes all configured virtual hosts and the mod_userdir directories of all local users. For mod_userdir to work you need to load that module and configure it for the path ~/public_html/. Please note that all ServerNames used in the Apache configuration files for services that shall be published with Avahi/DNS-SD need to be valid and in [21]FQDN format, i.e. resolvable via mDNS or traditional DNS, and consist of at least two labels. (foobar does not qualify as such, but foobar.local does.) Advanced Features Five other directives are available: the global directive DNSSDAutoRegisterUserDir can be used to disable automatic registration of mod_userdir directories. The global directive DNSSDAutoRegisterVHosts can be used to disable automatic registration of all local virtual hosts. The two directives DNSSDServiceName and DNSSDServiceTypes which can be placed inside a or section can be used to define additional services for publishing or to finetune the service name or types of virtual hosts. If placed inside a you can change the service types and name of the attached service (if used with DNSSDAutoRegisterVHosts set to on) or to register a service for the virtual host (if used with DNSSDAutoRegisterVHosts disabled). DNSSDServiceTypes takes a list of at least one DNS-SD service type (defaults to _http._tcp). A good example when to pass more than one service type is a WebDAV server: DNSSDServiceTypes _http._tcp _webdav._tcp This will register the server both as HTTP and as WebDAV service. Please note that both services do have different types but share the same name! Other areas where this might become handy is when registering RSS formatted blogs or XMLRPC services. DNSSDServiceName and DNSSDServiceTypes are especially useful inside a block. Using this notation you can register additional services in subdirectories of the server. A quick and incomplete example: ... DNSSDEnable On DNSSDAutoRegisterVHosts On DNSSDAutoRegisterUserDir On DocumentRoot /var/www DNSSDServiceName "Our Little Home Web Server" DNSSDServiceName "Documentation" ... DNSSDServiceName "Webmail" ... DAV On DNSSDServiceName "Our WebDAV folder" DNSSDServiceTypes _webdav._tcp _http._tcp ... DNSSDServiceName "The Blog" DNSSDServiceTypes _rss._tcp ... ... ... This will register six services: Our Little Home Web Server, Documentation, Webmail and Our WebDAV folder as type _http._tcp, Our WebDAV folder a second time under the type _webdav._tcp and finally The Blog as type _rss._tcp. The directive DNSSDServicePort can be used to tell mod_dnssd the right port number in complicated setups, where it fails to detect the correct one to use. It is seldomly used and you probably shouldn't bother. The global directive DNSSDUserDir may be used to change the directory inside the user's home directory that is published by DNSSDAutoRegisterUserDir. This defaults to public_html. If you used the UserDir directive in your Apache configuration file you probably want to use this directive, too. Please note, however, that DNSSDUserDir doesn't accept the full syntax that UserDir accepts. In fact only the simplest form - a simple string without any * and without the / prefix - is accepted. You might find this [22]blog article I wrote enlightening which contains more examples how to make use of mod_dnssd. Requirements mod_dnssd requires a current release of Apache 2.2 with apxs and a development installation of [23]Avahi 0.6 or newer. mod_dnssd has been tested exclusively with mpm_prefork, your mileage with other MPMs may vary. (Please report successes or failures!) mod_dnssd has been developed and tested on Debian GNU/Linux "testing" from January 2006, it should work on most other Linux distributions and probably POSIX implementations since it uses GNU autoconf and Apache apxs for source code configuration. Installation As this package is made with the GNU autotools you should run ./configure inside the distribution directory for configuring the source tree. After that you should run make for compilation and make install (as root) for installation of mod_dnssd. Acknowledgements This work was inspired by Sander Temme's and Sebastien Estienne's [24]mod_zeroconf module. Sebastien Estienne for packaging mod_dnssd for Debian. Bastien Nocera for adding the DNSSDServiceTxtRecord directive. Download The newest release is always available from [25]http://0pointer.de/lennart/projects/mod_dnssd/ The current release is [26]0.6 Get mod_dnssd's development sources from the [27]GIT [28]repository ([29]gitweb): git clone git://git.0pointer.de/mod_dnssd You may find an up to date Debian package of mod_dnssd in the [30]Debian package repository. __________________________________________________________________ Lennart Poettering , January 2009 References 1. README#license 2. README#news 3. README#overview 4. README#status 5. README#documentation 6. README#requirements 7. README#installation 8. README#acks 9. README#download 10. http://www.apache.org/licenses/LICENSE-2.0 11. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.6.tar.gz 12. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.5.tar.gz 13. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.4.tar.gz 14. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.3.tar.gz 15. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.2.tar.gz 16. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.1.tar.gz 17. http://httpd.apache.org/ 18. http://www.zeroconf.org/ 19. http://www.dns-sd.org/ 20. http://avahi.org/ 21. http://en.wikipedia.org/wiki/FQDN 22. http://0pointer.de/blog/projects/mod_dnssd.html 23. http://avahi.org/ 24. http://www.temme.net/sander/mod_zeroconf/ 25. http://0pointer.de/lennart/projects/mod_dnssd/ 26. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.6.tar.gz 27. http://git.or.cz/ 28. git://git.0pointer.de/mod_dnssd 29. http://git.0pointer.de/?p=mod_dnssd.git 30. http://packages.debian.org/libapache2-mod-dnssd mod_dnssd-0.6/README0000664000175000020030000002112611137742104011126 00000000000000 mod_dnssd 0.6 Copyright 2006-2009 Lennart Poettering * [1]License * [2]News * [3]Overview * [4]Current Status * [5]Documentation * [6]Requirements * [7]Installation * [8]Acknowledgements * [9]Download License Copyright 2006-2009 Lennart Poettering Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at [10]http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. News Wed Jan 18 2009: [11]Version 0.6 released, changes include: add a new directive DNSSDServiceTxtRecord Tue Apr 17 2007: [12]Version 0.5 released, changes include: updated for Apache 2.2; for compatibility with older Apache versions please use mod_dnssd 0.4. Sat Apr 1 2006: [13]Version 0.4 released, changes include: deal properly with vhosts listening on ports != 80; add new DNSSDUserDir directive. Sun Jan 22 2006: [14]Version 0.3 released, changes include: fix compilation on FreeBSD and Mandriva; compatibility with Apache 2.2; fix a memory corruption bug Sat Jan 21 2006: [15]Version 0.2 released, changes include: handle graceful restarts properly, other smaller cleanups Thu Jan 19 2006: [16]Version 0.1 released, initial realease Overview mod_dnssd is an [17]Apache HTTPD module which adds [18]Zeroconf support via [19]DNS-SD using [20]Avahi. Status Version 0.6 is more or less stable and fulfills its purpose. Documentation For activating mod_dnssd just load it into the server and use the global directive DNSSDEnable to enable it: DNSSDEnable on That's it, nothing more is required! The module publishes all configured virtual hosts and the mod_userdir directories of all local users. For mod_userdir to work you need to load that module and configure it for the path ~/public_html/. Please note that all ServerNames used in the Apache configuration files for services that shall be published with Avahi/DNS-SD need to be valid and in [21]FQDN format, i.e. resolvable via mDNS or traditional DNS, and consist of at least two labels. (foobar does not qualify as such, but foobar.local does.) Advanced Features Five other directives are available: the global directive DNSSDAutoRegisterUserDir can be used to disable automatic registration of mod_userdir directories. The global directive DNSSDAutoRegisterVHosts can be used to disable automatic registration of all local virtual hosts. The two directives DNSSDServiceName and DNSSDServiceTypes which can be placed inside a or section can be used to define additional services for publishing or to finetune the service name or types of virtual hosts. If placed inside a you can change the service types and name of the attached service (if used with DNSSDAutoRegisterVHosts set to on) or to register a service for the virtual host (if used with DNSSDAutoRegisterVHosts disabled). DNSSDServiceTypes takes a list of at least one DNS-SD service type (defaults to _http._tcp). A good example when to pass more than one service type is a WebDAV server: DNSSDServiceTypes _http._tcp _webdav._tcp This will register the server both as HTTP and as WebDAV service. Please note that both services do have different types but share the same name! Other areas where this might become handy is when registering RSS formatted blogs or XMLRPC services. DNSSDServiceName and DNSSDServiceTypes are especially useful inside a block. Using this notation you can register additional services in subdirectories of the server. A quick and incomplete example: ... DNSSDEnable On DNSSDAutoRegisterVHosts On DNSSDAutoRegisterUserDir On DocumentRoot /var/www DNSSDServiceName "Our Little Home Web Server" DNSSDServiceName "Documentation" ... DNSSDServiceName "Webmail" ... DAV On DNSSDServiceName "Our WebDAV folder" DNSSDServiceTypes _webdav._tcp _http._tcp ... DNSSDServiceName "The Blog" DNSSDServiceTypes _rss._tcp ... ... ... This will register six services: Our Little Home Web Server, Documentation, Webmail and Our WebDAV folder as type _http._tcp, Our WebDAV folder a second time under the type _webdav._tcp and finally The Blog as type _rss._tcp. The directive DNSSDServicePort can be used to tell mod_dnssd the right port number in complicated setups, where it fails to detect the correct one to use. It is seldomly used and you probably shouldn't bother. The global directive DNSSDUserDir may be used to change the directory inside the user's home directory that is published by DNSSDAutoRegisterUserDir. This defaults to public_html. If you used the UserDir directive in your Apache configuration file you probably want to use this directive, too. Please note, however, that DNSSDUserDir doesn't accept the full syntax that UserDir accepts. In fact only the simplest form - a simple string without any * and without the / prefix - is accepted. You might find this [22]blog article I wrote enlightening which contains more examples how to make use of mod_dnssd. Requirements mod_dnssd requires a current release of Apache 2.2 with apxs and a development installation of [23]Avahi 0.6 or newer. mod_dnssd has been tested exclusively with mpm_prefork, your mileage with other MPMs may vary. (Please report successes or failures!) mod_dnssd has been developed and tested on Debian GNU/Linux "testing" from January 2006, it should work on most other Linux distributions and probably POSIX implementations since it uses GNU autoconf and Apache apxs for source code configuration. Installation As this package is made with the GNU autotools you should run ./configure inside the distribution directory for configuring the source tree. After that you should run make for compilation and make install (as root) for installation of mod_dnssd. Acknowledgements This work was inspired by Sander Temme's and Sebastien Estienne's [24]mod_zeroconf module. Sebastien Estienne for packaging mod_dnssd for Debian. Bastien Nocera for adding the DNSSDServiceTxtRecord directive. Download The newest release is always available from [25]http://0pointer.de/lennart/projects/mod_dnssd/ The current release is [26]0.6 Get mod_dnssd's development sources from the [27]GIT [28]repository ([29]gitweb): git clone git://git.0pointer.de/mod_dnssd You may find an up to date Debian package of mod_dnssd in the [30]Debian package repository. __________________________________________________________________ Lennart Poettering , January 2009 References 1. README#license 2. README#news 3. README#overview 4. README#status 5. README#documentation 6. README#requirements 7. README#installation 8. README#acks 9. README#download 10. http://www.apache.org/licenses/LICENSE-2.0 11. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.6.tar.gz 12. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.5.tar.gz 13. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.4.tar.gz 14. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.3.tar.gz 15. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.2.tar.gz 16. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.1.tar.gz 17. http://httpd.apache.org/ 18. http://www.zeroconf.org/ 19. http://www.dns-sd.org/ 20. http://avahi.org/ 21. http://en.wikipedia.org/wiki/FQDN 22. http://0pointer.de/blog/projects/mod_dnssd.html 23. http://avahi.org/ 24. http://www.temme.net/sander/mod_zeroconf/ 25. http://0pointer.de/lennart/projects/mod_dnssd/ 26. http://0pointer.de/lennart/projects/mod_dnssd/mod_dnssd-0.6.tar.gz 27. http://git.or.cz/ 28. git://git.0pointer.de/mod_dnssd 29. http://git.0pointer.de/?p=mod_dnssd.git 30. http://packages.debian.org/libapache2-mod-dnssd