onioncat-0.2.2.r559/README100644 001750 001750 00000000076 12074464244 0010424See http://www.cypherpunk.at/onioncat/ for more information. onioncat-0.2.2.r559/ax_pthread.m4100644 001750 001750 00000026046 12074464244 0012132# =========================================================================== # http://www.nongnu.org/autoconf-archive/ax_pthread.html # =========================================================================== # # SYNOPSIS # # AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) # # DESCRIPTION # # This macro figures out how to build C programs using POSIX threads. It # sets the PTHREAD_LIBS output variable to the threads library and linker # flags, and the PTHREAD_CFLAGS output variable to any special C compiler # flags that are needed. (The user can also force certain compiler # flags/libs to be tested by setting these environment variables.) # # Also sets PTHREAD_CC to any special C compiler that is needed for # multi-threaded programs (defaults to the value of CC otherwise). (This # is necessary on AIX to use the special cc_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these flags, # but also link it with them as well. e.g. you should link with # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # # If you are only building threads programs, you may wish to use these # variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" # CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # CC="$PTHREAD_CC" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant # has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name # (e.g. PTHREAD_CREATE_UNDETACHED on AIX). # # ACTION-IF-FOUND is a list of shell commands to run if a threads library # is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it # is not found. If ACTION-IF-FOUND is not specified, the default action # will define HAVE_PTHREAD. # # Please let the authors know if this macro fails on any platform, or if # you have any other suggestions or comments. This macro was based on work # by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help # from M. Frigo), as well as ac_pthread and hb_pthread macros posted by # Alejandro Forero Cuervo to the autoconf macro repository. We are also # grateful for the helpful feedback of numerous users. # # LICENSE # # Copyright (c) 2008 Steven G. Johnson # # 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 . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 5 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) AC_DEFUN([AX_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_LANG_SAVE AC_LANG_C ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h # requires special compiler flags (e.g. on True64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes) AC_MSG_RESULT($ax_pthread_ok) if test x"$ax_pthread_ok" = xno; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" fi # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # Create a list of thread flags to try. Items starting with a "-" are # C compiler flags, and other items are library names, except for "none" # which indicates that we try without any flags at all, and "pthread-config" # which is a program returning the flags for the Pth emulation library. ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. 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(We need to link with -pthreads/-mt/ # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather # a function called by this macro, so we could check for that, but # who knows whether they'll stub that too in a future libc.) 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(On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. 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AC_MSG_CHECKING([for joinable pthread attribute]) attr_name=unknown for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do AC_TRY_LINK([#include ], [int attr=$attr; return attr;], [attr_name=$attr; break]) done AC_MSG_RESULT($attr_name) if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name, [Define to necessary symbol if this constant uses a non-standard name on your system.]) fi AC_MSG_CHECKING([if more special flags are required for pthreads]) flag=no case "${host_cpu}-${host_os}" in *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; esac AC_MSG_RESULT(${flag}) if test "x$flag" != xno; then PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" # More AIX lossage: must compile with xlc_r or cc_r if test x"$GCC" != xyes; then AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC}) else PTHREAD_CC=$CC fi else PTHREAD_CC="$CC" fi AC_SUBST(PTHREAD_LIBS) AC_SUBST(PTHREAD_CFLAGS) AC_SUBST(PTHREAD_CC) # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: if test x"$ax_pthread_ok" = xyes; then ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1]) : else ax_pthread_ok=no $2 fi AC_LANG_RESTORE ])dnl AX_PTHREAD onioncat-0.2.2.r559/configure.ac100644 001750 001750 00000012705 12074464245 0012035 AC_PREREQ(2.62) define([svnversion], esyscmd([sh -c "echo -n $(( `svnversion | tr -d 'M'` + 1 ))"]))dnl AC_INIT([onioncat],[[0.2.2.r]svnversion],[rahra@cypherpunk.at]) AM_INIT_AUTOMAKE([-Wall -Werror]) AC_CONFIG_HEADERS([config.h]) AC_DEFINE(SVN_REVISION, "svnversion", [SVN Revision]) AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug],[enable debugging]), AC_DEFINE([DEBUG], [1], [enable debugging]) ) AC_ARG_ENABLE([packet-log], AS_HELP_STRING([--enable-packet-log],[enable packet logging]), AC_DEFINE([PACKET_LOG], [], [enable packet logging])) AC_ARG_ENABLE([handle-http], AS_HELP_STRING([--enable-handle-http],[enable handling of accidental HTTP requests]), AC_DEFINE([HANDLE_HTTP], [], [enable handling of accidental HTTP requests])) AC_ARG_ENABLE([packet-queue], AS_HELP_STRING([--enable-packet-queue],[enable queueuing of packets while connecting setup]), AC_DEFINE([PACKET_QUEUE], [], [enable packet queue])) AC_ARG_ENABLE([check-ipsrc], AS_HELP_STRING([--disable-check-ipsrc],[disable source ip checking before forwarding]), AC_DEFINE([CHECK_IPSRC], [1], [disable source ip checking])) AC_ARG_ENABLE([rtt], AS_HELP_STRING([--enable-rtt],[enable inband RTT measurement]), AC_DEFINE([MEASURE_RTT], [1], [enable RTT measurement])) AC_ARG_ENABLE([tundev], AS_HELP_STRING([--disable-tundev],[compile without tunnel device code]), AC_DEFINE([WITHOUT_TUN], [1], [exclude tunnel device code])) if test "${enable_debug+set}" = set ; then AC_SUBST([CFLAGS], [["-Wall -g -D_POSIX_PTHREAD_SEMANTICS"]]) else AC_SUBST([CFLAGS], [["-Wall -O2 -D_POSIX_PTHREAD_SEMANTICS"]]) fi # Checks for programs. AC_PROG_CC #AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MKDIR_P m4_include([ax_pthread.m4]) ACX_PTHREAD LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" CC="$PTHREAD_CC" # Checks for libraries. #AC_CHECK_LIB([pthread], [pthread_create]) #AC_CHECK_LIB([rt], [clock_gettime]) #AC_CHECK_LIB([readline], [main]) AC_SEARCH_LIBS([bind], [socket]) AC_SEARCH_LIBS([inet_ntop], [nsl]) # Checks for header files. #AC_HEADER_STDC AC_CHECK_HEADERS([sys/types.h sys/wait.h sys/socket.h sys/stat.h netdb.h arpa/nameser.h netinet/in.h netinet/in_systm.h netinet/ip.h netinet/ip6.h netinet/in6.h net/if.h net/if_tun.h net/tun/if_tun.h linux/if_tun.h linux/sockios.h endian.h sys/endian.h netinet/icmp6.h net/ethernet.h netinet/if_ether.h netinet/ether.h netinet/udp.h sys/ethernet.h fcntl.h time.h], [], [], [[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN_SYSTM_H #include #endif #ifdef HAVE_NET_IF_H #include #endif ]] ) #AC_CHECK_HEADERS([readline/readline.h readline/history.h], [], [], []) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST #AC_TYPE_UID_T #AC_STRUCT_TM #AC_TYPE_UINT16_T #AC_TYPE_UINT32_T #AC_TYPE_UINT8_T #AC_CHECK_MEMBER([struct sockaddr_in.sin_addr], [AC_DEFINE([HAVE_SIN_LEN], [1], [define if struct sockaddr_in.sin_len exists])]) #AC_CHECK_TYPE([struct sockaddr_in], [AC_DEFINE([HAVE_STRUCT_IP6_HDR],[1],[define if struct ip6_hdr exists])]) AC_CHECK_TYPES([struct ip6_hdr], , , [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN6_H #include #endif #ifdef HAVE_NETINET_IP6_H #include #endif ]) AC_CHECK_TYPES([struct iphdr], , , [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IP_H #include #endif ]) AC_CHECK_TYPES([struct ip], , , [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN_SYSTM_H #include #endif #ifdef HAVE_NETINET_IP_H #include #endif ]) AC_CHECK_MEMBER([struct sockaddr_in.sin_len], [ AC_DEFINE(HAVE_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ], [], [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif ]) AC_CHECK_MEMBER([struct stat.st_mtim], [AC_DEFINE(HAVE_STAT_ST_MTIM, 1, [Do we have stat.st_mtim?])], [ AC_CHECK_MEMBER([struct stat.st_mtimespec], [AC_DEFINE(HAVE_STAT_ST_MTIMESPEC, 1, [Do we have stat.st_mtimespec?])], [], [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif ]) ], [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif ]) AC_CHECK_MEMBER([struct ether_header.ether_dhost.ether_addr_octet], [AC_DEFINE(HAVE_ETHER_ADDR_OCTET, 1, [Do we have ether_header.ether_dhost.ether_addr_octet])], [], [ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_ETHERNET_H #include #endif ]) # Checks for library functions. #AC_PROG_GCC_TRADITIONAL #AC_FUNC_MALLOC #AC_FUNC_MEMCMP #AC_FUNC_SELECT_ARGTYPES #AC_FUNC_STRFTIME #AC_FUNC_VPRINTF #AC_CHECK_FUNCS([clock_gettime memset select socket strchr strerror]) AC_CHECK_FUNCS([strlcat strlcpy ether_ntoa ether_ntoa_r]) AC_CONFIG_FILES([Makefile src/cygwin/Makefile src/Makefile man/Makefile i2p/Makefile]) AC_OUTPUT onioncat-0.2.2.r559/aclocal.m4100644 001750 001750 00000104173 12165256260 0011405# generated automatically by aclocal 1.11.5 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, # Inc. # 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. # 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. m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],, [m4_warning([this file was generated for autoconf 2.68. 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The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU 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 Lesser General Public License instead of this License. But first, please read . onioncat-0.2.2.r559/ChangeLog100644 001750 001750 00000012264 12074464212 0011313* version 0.2.2 - configure.ac refined - OC now compiles and runs on Solaris 10 using the Universal TUN/TAP driver version 1.1 (http://vtun.sourceforge.net/tun/index.html) - ocathosts.[ch] added. It reads IPv6 addresses from /etc/hosts - /etc/hosts reverse lookup for I2P .b32 names added - debian directory included into source package. - freebsd directory included into source package. - acx_pthread.m4 replaced by newer ax_pthread.m4 for autoconf. - options are parsed sequentially (-f and -I first) - config file is always read from SYSCONFDIR (usually /etc or /usr/local/etc) - changed Makefile.am to not install header files - separate name for connect log and pid file for OC/GC. - mode detection (OC/GC) improved - GarliCat branch merged back into trunk - added onioncat-privatehosts.pl to trunk (written by zzz) - option -t did not work correctly - (optional) pid file is removed at exit - SIGUSR1 is handled in preparation for statistics output - controller sessions limited to MAX_DEF_CTRL_SESS (= 5 by default) * version 0.2.1 - released 2009/11/29, Bernhard R. Fischer * version 0.2.0 - version string improved - syslog messages contain name and PID - fixed some compiler warnings - updated hosts.onioncat - pid file creation optional - base development environment changed to OpenBSD 4.5 - some type conversions fixed - fd 0,1,2 now reconnected to /dev/null * version 0.1.13 - released 2009/06/09, Bernhard R. Fischer * version 0.1.12 - compiles and runs successfully on Linux 2.6, MacOS X 10.5 (Intel), FreeBSD 6, OpenBSD 4.4 - improved autoconf for better pthread configuration (acx_pthread.m4) - socks connector completely rewritten. Works now without dynamic thread pool. This is more memory efficient. - Windows branch merged into trunk - syslogging implemented - idle timeout increased to 3 mins - base32 en/decoding speed improved * version 0.1.11 - version tagged (this actually is 0.1.10-r472) - version cleanup -- new devel is now 0.1.12 * version 0.1.10 - stdio is closed if process is backgrounded - If signalled twice (TERM, INT) it immediately exits - OnionCat daemonizes by default now - fragment buffer resynchronization enhanced - disabled connect log if unprivileged user -2 is used - getpwnam() replaced by getpwnam_r() because valgrind reported an error ...but unfortunatelly it still does - improved process termination handling - illegal mem access fixed in termination process - Socks connect exchanged by timed select - added signal handler for SIGTERM (and SIGHUP without implementation) - uid is changed to -2 if default user does not exist - fixed erroneous sockaddr size in socks connect (leaded to failure on OpenBSD) - improved tunnel name determination - fixed ifconfig for OpenBSD - fixed mem leak in thread creation process - replaced static local_listeners by configurable ones (for OC listen and controller listen) - graceful shutdown (CTRL-C or SIGINT) - thread stack size configurable (necessary because OpenBSD stacksize seems to be to small) * version 0.1.9 - man page updated - Local onion-URL may be generated randomly (option -R) - SOCKS destination IP configurable (v4 only) - disabled self connections to root nodes - fatal memory error in SOCKS queue fixed - bugfix in ether_ntoa_r() - variable for uptime implemented - routing is setup correctly on MACOSX with TUN dev - serious framesize bug with TAP device fixed - seems to run on Darwin yet ;) - consolidated header files - compiles on FreeBSD and OpenBSD - connecting logfile to /dev/null if background option given - staying in foreground if failed to open message logfile - bugfixes - IPv6 routes are aware of prefix lengths - IPv6 routing table can be manipulated through controller or config file - limited IPv6 routing capability - keepalive sent after connection setup (eases identification for remote ocat) - automatic initialization of default connections at startup - implemented TAP device and NDP protocol * version 0.1.9 - connect log => $HOME/.ocat/connect_log - IPv4 awareness * version 0.1.8 - port numbers changed to 8060 for local and virtual hidden service port - port number of controller interface changed to 8066 - wrapped thread locking to internal functions - added HTTP check code if some one accidently connects using HTTP - replace clock_gettime() by gettimeofday() for portability reasons - compiles on FreeBSD again - replaced write() by send(). data should always be sent in total and never partially. tcp sendbuffer read-out code thereby removed. - added command fds to controller interface * version 0.1.5 - 0.1.7 - development versions only * version 0.1.4 - acceptor and controller now use generic acceptor function which accepts locally on IPv4 and IPv6 localhost. - socket connecter now multi-threaded (connect() blocks until connect) - local controller socket available: commands: status, close, exit, quit - thread start routine modularized - logging improved * verion 0.1.1 - improved interoperability - compiles also under FreeBSD 6.1 - TUN code slightly changed and more generic - TUN header rewriting (BSD has different header from linux) * version 0.1 - works good under linux, gcc-4.2, linux-2.6.22 onioncat-0.2.2.r559/INSTALL100644 001750 001750 00000022450 12074464246 0010577Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. 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. 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. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. Caching is disabled by default to prevent problems with accidental use of stale cache files. If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. Running `configure' might take a while. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. 6. Often, you can also type `make uninstall' to remove the installed files again. 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. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you can use GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. With a non-GNU `make', it is safer to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. 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'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. 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Until the bug is fixed you can use this workaround: CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of the options to `configure', and exit. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. onioncat-0.2.2.r559/NEWS100644 001750 001750 00000000103 12074464264 0010234* Currently we prepare a paper and a talk for the 25C3 in Berlin. onioncat-0.2.2.r559/TODO100644 001750 001750 00000003463 12074464245 0010240* Solaris: tunnel device should be unplumbed on program exit * Solaris TAP device untestet * OpenBSD TAP device might not work (see OpenBSD man page tun(4)) * finish SOCKS5 code for I2P * work on header compression (start at RFC2507 or 3095) * log connect log to OC console * forward multicasting packets (ff00::/8) * frame checking may be improved * generally improve tun opening routine * log levels and log output are currently somehow random * interaction with OS routing table to be able to forward packets to "foreign" networks beside the TOR prefix * peer list should be improved * IPv6 routing table should be improved (is just a flat list yet) * controller interface should be improved (is not thread-safe) * controller interface should use basic IO and timed selects //* peer reconnections timeout should be implemented (to not reconnect to fast) //* add Windows tunnel code //* IPv6 adresses are not checked for their validity //* garbage collector for packet queue missing //* garbage collector for session cleanup //* packets received on sockets should be validated (Ethertype, ip) //* socks_connector queue //* packet_forwarder depends on socks_connector, currently possible unclean startup (not dangerous) -- socks connector now is multi-threaded and not blocking on a pipe, hence, this error _should_ (i'm currently not sure) not occur anymore. //* replace clock_gettime() by time(), no accuracy needed //* replace all socket write()s by send() //* licence //* improve tun header test (check for src and dst ip) //* create some kind of connection log //* tun-header packet dependent //* IPv4 forwarding + routing //* fragment handler //* improve getopt() -- currently many things are hardcoded //* disconnected permanent peers are not reconnected sometimes //* sometimes a peer is connected a second time for an unknown reason onioncat-0.2.2.r559/config.guess100755 001750 001750 00000127534 12074464233 0012073#! /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 # Free Software Foundation, Inc. timestamp='2008-01-23' # 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, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # 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 to . Submit a context # diff and a properly formatted 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. Otherwise, it exits with 1. # # The plan is that this can be called by configure scripts if you # don't specify an explicit build system type. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. 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.guess ($timestamp) Originally written by Per Bothner. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This is free software; see the source for copying conditions. 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) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${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 __LP64__ >/dev/null 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:*:*) case ${UNAME_MACHINE} in pc98) echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_MACHINE}-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*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:[3456]*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; EM64T | authenticamd) 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 ;; 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. 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avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo cris-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo crisv32-axis-linux-gnu exit ;; frv:Linux:*:*) echo frv-unknown-linux-gnu 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:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef mips #undef mipsel #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=mipsel #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=mips #else CPU= #endif #endif EOF eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' /^CPU/{ s: ::g p }'`" test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef mips64 #undef mips64el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=mips64el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=mips64 #else CPU= #endif #endif EOF eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' /^CPU/{ s: ::g p }'`" test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo or32-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; ppc64:Linux:*:*) echo powerpc64-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 ld.so.1 >/dev/null if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} 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 ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-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 ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo x86_64-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:Linux:*:*) # The BFD linker knows what the default object file format is, so # first see if it will tell us. cd to the root directory to prevent # problems with other programs or directories called `ld' in the path. # Set LC_ALL=C to ensure ld outputs messages in English. ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \ | sed -ne '/supported targets:/!d s/[ ][ ]*/ /g s/.*supported targets: *// s/ .*// p'` case "$ld_supported_targets" in elf32-i386) TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu" ;; a.out-i386-linux) echo "${UNAME_MACHINE}-pc-linux-gnuaout" exit ;; coff-i386) echo "${UNAME_MACHINE}-pc-linux-gnucoff" exit ;; "") # Either a pre-BFD a.out linker (linux-gnuoldld) or # one that does not give us useful --help. echo "${UNAME_MACHINE}-pc-linux-gnuoldld" exit ;; esac # Determine whether the default compiler is a.out or elf eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include #ifdef __ELF__ # ifdef __GLIBC__ # if __GLIBC__ >= 2 LIBC=gnu # else LIBC=gnulibc1 # endif # else LIBC=gnulibc1 # endif #else #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) LIBC=gnu #else LIBC=gnuaout #endif #endif #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' /^LIBC/{ s: ::g p }'`" test x"${LIBC}" != x && { echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit } test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; 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 ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*) echo i386-unknown-lynxos${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 ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i386. echo i386-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${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; } ;; 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${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*) echo powerpc-unknown-lynxos${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 ;; 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 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${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${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 ${UNAME_MACHINE}-pc-rdos exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (__arm) && defined (__acorn) && defined (__unix) printf ("arm-acorn-riscix\n"); exit (0); #endif #if defined (hp300) && !defined (hpux) printf ("m68k-hp-bsd\n"); exit (0); #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) # if !defined (ultrix) # include # if defined (BSD) # if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); # else # if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); # else printf ("vax-dec-bsd\n"); exit (0); # endif # endif # else printf ("vax-dec-bsd\n"); exit (0); # endif # else printf ("vax-dec-ultrix\n"); exit (0); # endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } # Convex versions that predate uname can use getsysinfo(1) if [ -x /usr/convex/getsysinfo ] then case `getsysinfo -f cpu_type` in c1*) echo c1-convex-bsd exit ;; c2*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; c34*) echo c34-convex-bsd exit ;; c38*) echo c38-convex-bsd exit ;; c4*) echo c4-convex-bsd exit ;; esac fi cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: onioncat-0.2.2.r559/config.sub100755 001750 001750 00000101153 12074464244 0011525#! /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 # Free Software Foundation, Inc. timestamp='2008-01-16' # 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, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # 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 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. # 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 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 $maybe_os in nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; *) 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) os= basic_machine=$1 ;; -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*) 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 $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64vr | mips64vrel \ | mips64orion | mips64orionel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | mt \ | msp430 \ | nios | nios2 \ | ns16k | ns32k \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ | pyramid \ | score \ | sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu | strongarm \ | tahoe | thumb | tic4x | tic80 | tron \ | v850 | v850e \ | we32k \ | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ | z8k) basic_machine=$basic_machine-unknown ;; m6811 | m68hc11 | m6812 | m68hc12) # Motorola 68HC11/12. basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$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-* \ | 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-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ | 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-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64vr-* | mips64vrel-* \ | mips64orion-* | mips64orionel-* \ | 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-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ | pyramid-* \ | romp-* | rs6000-* \ | sh-* | sh[1234]-* | sh[24]a-* | 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-* | strongarm-* | sv1-* | sx?-* \ | tahoe-* | thumb-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tron-* \ | v850-* | v850e-* | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-*) ;; # 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 ;; 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 ;; c90) basic_machine=c90-cray os=-unicos ;; 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) 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 ;; 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'm not sure what "Sysv32" means. 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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-/'` ;; mvs) basic_machine=i370-ibm os=-mvs ;; 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 ;; 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 ;; 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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 ;; 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 ;; tic54x | c54x*) basic_machine=tic54x-unknown os=-coff ;; tic55x | c55x*) basic_machine=tic55x-unknown os=-coff ;; tic6x | c6x*) basic_machine=tic6x-unknown os=-coff ;; tile*) basic_machine=tile-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 ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. It is in # some cases the only manufacturer, in others, it is the most popular. w89k) basic_machine=hppa1.1-winbond ;; op50n) basic_machine=hppa1.1-oki ;; op60c) basic_machine=hppa1.1-oki ;; romp) basic_machine=romp-ibm ;; mmix) basic_machine=mmix-knuth ;; rs6000) basic_machine=rs6000-ibm ;; vax) basic_machine=vax-dec ;; pdp10) # there are many clones, so DEC is not a safe bet basic_machine=pdp10-unknown ;; pdp11) basic_machine=pdp11-dec ;; we32k) basic_machine=we32k-att ;; sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele) basic_machine=sh-unknown ;; sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) basic_machine=sparc-sun ;; cydra) basic_machine=cydra-cydrome ;; orion) basic_machine=orion-highlevel ;; orion105) basic_machine=clipper-highlevel ;; mac | mpw | mac-mpw) basic_machine=m68k-apple ;; pmac | pmac-mpw) basic_machine=powerpc-apple ;; *-unknown) # Make sure to match an already-canonicalized machine name. ;; *) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; esac # Here we canonicalize certain aliases for manufacturers. case $basic_machine in *-digital*) basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` ;; *-commodore*) basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` ;; *) ;; esac # Decode manufacturer-specific aliases for certain operating systems. if [ x"$os" != x"" ] then case $os in # First match some system type aliases # that might get confused with valid system types. # -solaris* is a basic system type, with this one exception. -solaris1 | -solaris1.*) os=`echo $os | sed -e 's|solaris1|sunos4|'` ;; -solaris) os=-solaris2 ;; -svr4*) os=-sysv4 ;; -unixware*) os=-sysv4.2uw ;; -gnu/linux*) os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` ;; # First accept the basic system types. # The portable systems comes first. # Each alternative MUST END IN A *, to match a version number. # -sysv* is not here because it comes later, after sysvr4. -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \ | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ | -aos* \ | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ | -openbsd* | -solidbsd* \ | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ | -chorusos* | -chorusrdb* \ | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ | -uxpv* | -beos* | -mpeix* | -udk* \ | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ | -skyos* | -haiku* | -rdos* | -toppers* | -drops*) # Remember, each alternative MUST END IN *, to match a version number. ;; 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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, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301, USA. # 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 Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. nl=' ' IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else doit_exec=$doit fi # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_glob='?' initialize_posix_glob=' test "$posix_glob" != "?" || { if (set -f) 2>/dev/null; then posix_glob= else posix_glob=: fi } ' posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false no_target_directory= usage="\ Usage: $0 [OPTION]... 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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. You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: onioncat-0.2.2.r559/glob_id.txt100644 001750 001750 00000001021 12074464265 0011676Global ID generation as in RFC4193 NTP timestamp: cb5020bf.78f29ad6 EUI-64: 21b:24ff:fe73:cd0e => key: cb5020bf78f29ad6021b24fffe73cd0e => SHA1: bfb7f7153a68682657986bc6659e7b87d87eeb43 => global ID: 87d87eeb43 => IPv6: FD87:D87E:EB43::/48 /* DO NOT USE THIS! IT IS JUST A PERSONAL REMARK... generation for I2P NTP timestamp: 0xcd6cd83f947d805e EUI-64: 21b:24ff:fece:d108 => key: cd6cd83f947d805e21b24fffeced108 => SHA1: 366168b7aa3fd7326df894b907991b60db4dddb5 => global ID: 60db4dddb5 => IPv6: FD60:DB4D:DDB5::/48 */ onioncat-0.2.2.r559/hosts.onioncat100644 001750 001750 00000000764 12074464247 0012447fd87:d87e:eb43:f683:64ac:73f9:61ac:9a00 62bwjldt7fq2zgqa.onion dot.aio fd87:d87e:eb43:2243:5f84:5b12:7bb5:bbc2 ejbv7bc3cj53lo6c.onion irc.onion.aio b.root-servers.aio fd87:d87e:eb43:f947:ad24:ec81:8abe:753e 7fd22jhmqgfl45j6.onion ping.onion.aio fd87:d87e:eb43:744:208d:5408:63a4:ac4f a5ccbdkubbr2jlcp.onion mail.onion.aio a.root-servers.aio fd87:d87e:eb43:41b0:a32:f057:6dba:b205 igyaumxqk5w3vmqf.onion jabber.onion.aio fd87:d87e:eb43:f20d:6d4f:239:ab70:1793 6igw2tychgvxaf4t.onion tracker.onion.aio onioncat-0.2.2.r559/src/ocat.h100644 001750 001750 00000040577 12146344527 0011445/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #ifndef OCAT_H #define OCAT_H #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_ENDIAN_H #include #elif HAVE_SYS_ENDIAN_H #include #endif #ifdef HAVE_SYS_WAIT_H #include #endif #ifdef HAVE_SYS_ETHERNET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN_SYSTM_H #include #endif #include #ifdef HAVE_NET_IF_H #include #endif #ifdef HAVE_NETINET_IP_H #include #endif #ifdef HAVE_NETINET_ICMP6_H #include #endif #ifdef HAVE_NETINET_ETHER_H #include #endif #ifdef HAVE_NETINET_IF_ETHER_H #include #endif #ifdef HAVE_NETINET_IP6_H #include #endif #ifdef HAVE_NETINET_UDP_H #include #endif #ifdef HAVE_ARPA_NAMESER_H #include #endif #ifdef HAVE_NET_ETHERNET_H #include #endif #ifdef HAVE_LINUX_SOCKIOS_H #include #endif #ifdef HAVE_LINUX_IF_TUN_H #include #endif #ifdef HAVE_NET_IF_TUN_H #include #endif #ifdef HAVE_NET_TUN_IF_TUN_H #include #endif #ifdef __CYGWIN__ #include "cygwin/ocat_cygwin.h" #endif #ifndef ETHERTYPE_IP #define ETHERTYPE_IP 0x0800 #endif #ifndef ETHERTYPE_IPV6 #define ETHERTYPE_IPV6 0x86dd #endif #ifndef ETHER_ADDR_LEN #ifdef ETHERADDRL #define ETHER_ADDR_LEN ETHERADDRL #endif #endif // At least on Solaris the Ethernet addresses are defined as struct containing // an array of bytes. This is different from most other OSes which define the // addresses directly as array. #ifdef HAVE_ETHER_ADDR_OCTET #define ether_dst ether_dhost.ether_addr_octet #define ether_src ether_shost.ether_addr_octet #else #define ether_dst ether_dhost #define ether_src ether_shost #endif #define IP6HLEN sizeof(struct ip6_hdr) //! Length of an .onion-URL (without ".onion" and '\0') #define ONION_URL_LEN 16 #define MAXPEERS 1024 #ifdef __OpenBSD__ #define OCAT_UNAME "_tor" #elif __FreeBSD__ #define OCAT_UNAME "_tor" #else #define OCAT_UNAME "tor" #endif #define OCAT_UNPRIV_UID 65534 #define OCAT_UNPRIV_UNAME "(unknown)" #define OCAT_URL "http://www.abenteuerland.at/onioncat/" #define OCAT_DIR ".ocat" //#define OCAT_CONNECT_LOG "connect_log" #define PID_FILE "/var/run/ocat.pid" #define OCAT_AUTHOR "Bernhard R. Fischer" //! Maximum frame (packet) size, should be able to keep one maximum size ipv6-packet: 2^16 + 40 + 4 #define FRAME_SIZE 65580 //! Standard buffer size 1024 bytes #define SIZE_1K 1024 #define SIZE_256 256 #define DEQUEUER_WAKEUP 3 //! maximum number a packet stays in queue #define MAX_QUEUE_DELAY 10 //! Maximum idle time for a peer, after that time the peer is closed. #define MAX_IDLE_TIME 180 //! # of secs after a cleaner wakeup occurs #define CLEANER_WAKEUP 10 //! # of secs after stats output is generated #define STAT_WAKEUP 600 //! keepalive time #define KEEPALIVE_TIME 60 //! select timeout (to avoid endless blocking) #define SELECT_TIMEOUT 10 #define LOG_FCONN 0x400 #define LOG_FERR 0x800 #define E_SOCKS_SOCK -1 #define E_SOCKS_CONN -2 #define E_SOCKS_REQ -3 #define E_SOCKS_RQFAIL -4 #define E_SOCKS_TERMREQ -5 #define E_FWD_NOPEER -1 #define E_FWD_NOBUF -2 //#define PEER_CONNECT 0 #define PEER_ACTIVE 1 #define PEER_INCOMING 0 #define PEER_OUTGOING 1 #define THREAD_NAME_LEN 11 //! thread stack size (default stack size on OpenBSD is too small) #define THREAD_STACK_SIZE 262144 #define SOCKS_NEW 0 #define SOCKS_CONNECTING 1 #define SOCKS_4AREQ_SENT 2 #define SOCKS_4ARESPONSE 3 #define SOCKS_DELETE 127 #define SOCKS_MAX_RETRY 3 #define E_RT_NOMEM -1 #define E_RT_DUP -2 #define E_RT_ILLNM -3 #define E_RT_SYNTAX -4 #define E_RT_NULLPTR -5 #define E_RT_NOTORGW -6 #define E_RT_GWSELF -7 #define E_ETH_TRUNC -8 #define E_ETH_ILLDEST -9 #define E_ETH_ILLPROTO -10 #define E_ETH_INTERCEPT -11 //! maximum number of MAC address entries in table #define MAX_MAC_ENTRY 128 //! maximum age of MAC address in table #define MAX_MAC_AGE 120 /* //! maximum number of IPv6 routes #define MAX_IPV6_ROUTE 1024 */ //! retry-delay if connection to TOR's SOCKS port fails #define TOR_SOCKS_CONN_TIMEOUT 30 //! number of attempts for MIN_RECONNECT_TIME is measured #define RECONN_ATTEMPTS 3 //! RECONN_ATTEMPTS must not be faster than MIN_RECONNECT_TIME #define MIN_RECONNECT_TIME 30 //! define default maximum number of concurrent controller sessions #define MAX_DEF_CTRL_SESS 5 #define MFD_SET(f,s,m) {FD_SET(f, s); m = f > m ? f : m;} //! copy an IPv6 address from b to a #define IN6_ADDR_COPY(a,b) *((struct in6_addr*)a)=*(struct in6_addr*)b #define IPV4_KEY 0 #define IPV6_KEY 1 #define SOCKADDR_SIZE(x) (((struct sockaddr*) x)->sa_family == AF_INET ? sizeof(struct sockaddr_in) : ((struct sockaddr*) x)->sa_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0) #define VERSION_STRING_LEN 256 #define MAX_DEF_CTRL 6 #define NTYPE_TOR 0 #define NTYPE_I2P 1 #ifndef SYSCONFDIR #define SYSCONFDIR "/etc" #endif // this macro returns a constains string if a buffer points to NULL. #define SSTR(x) (x != NULL ? x : "(nil)") // Solaris and the Windows OpenVPN tunnel driver do not send a 4 byte tunnel // header thus we adjust reads and writes. #if defined(__sun__) || defined(__CYGWIN__) #define BUF_OFF 4 #else #define BUF_OFF 0 #endif struct OcatSetup { //! frame header of local OS in network byte order //! it is initialized in ocattun.c uint32_t fhd_key[2]; int fhd_key_len; //! TCP port of SOCKS port of local Tor proxy //uint16_t tor_socks_port; //! reload port of OnionCat listening for connections //uint16_t ocat_listen_port; //! virtual port of OnionCat hidden service uint16_t ocat_dest_port; //! local port of controller interface uint16_t ocat_ctrl_port; //! file descriptors of TUN device (usually tunfd[0] == tunfd[1]) int tunfd[2]; int debug_level; //! user name to change uid to char *usrname; char onion_url[SIZE_256]; struct in6_addr ocat_addr; //! flag to create connection log int create_clog; //! flag to not change uid to unprivileged user int runasroot; int controller; char *ocat_dir; //! name of tunnel charcter device char *tun_dev; //! tunnel interface name char tunname[SIZE_256]; int ipv4_enable; struct in_addr ocat_addr4; int ocat_addr4_mask; char *config_file; int config_read; int config_failed; int use_tap; //! local OnionCat MAC address uint8_t ocat_hwaddr[ETHER_ADDR_LEN]; char *pid_file; int create_pid_file; char *logfn; FILE *logf; int use_syslog; int daemon; #ifdef CONNECT_ROOT_PEERS //! hardcoded permanent peers #define ROOT_PEERS 1 struct in6_addr root_peer[ROOT_PEERS]; #endif time_t uptime; char *frandn; //! destination socket address of Tor's SOCKS port union { struct sockaddr_in *socks_dst; struct sockaddr_in6 *socks_dst6; }; //! local listening socket address for incoming connections struct sockaddr **oc_listen; int *oc_listen_fd; int oc_listen_cnt; int rand_addr; char version[VERSION_STRING_LEN]; int sizeof_setup; int sig_term, term_req; pthread_mutex_t mutex; //! listening sockets for controller interface struct sockaddr **ctrl_listen; int *ctrl_listen_fd; int ctrl_listen_cnt; //! communication pipe for socks "selected" connector int socksfd[2]; int net_type; int max_ctrl, ctrl_active; //! pipe filedescriptors for pid deletion process int pid_fd[2]; int sig_usr1, clear_stats; /*! Define if OC connection should be used uni- or bidirectional. Bidirectional has a faster setup time but unidirectional is more safe in respect to security because both ends are verfied. */ int unidirectional; int hosts_lookup; struct in6_addr oc_vdns; }; #ifdef PACKET_QUEUE typedef struct PacketQueue { struct PacketQueue *next; struct in6_addr addr; int psize; time_t time; void *data; } PacketQueue_t; #endif typedef struct SocksHdr { char ver; char cmd; uint16_t port; struct in_addr addr; } __attribute__((packed)) SocksHdr_t; typedef struct Socks5Hdr { char ver; char cmd; char rsv; char atyp; char addr; } __attribute__((packed)) Socks5Hdr_t; typedef struct OcatPeer { struct OcatPeer *next; //!< pointer to next peer in list struct in6_addr addr; //!< remote address of peer int tcpfd; //!< remote file descriptor time_t time; //!< timestamp of latest packet time_t sdelay; //!< connection setup delay time_t otime; //!< opening time int state; //!< status of peer int dir; //!< direction this session was opened unsigned long out; //!< bytes output unsigned long in; //!< bytes input uint32_t *tunhdr; //!< pointer to local tun frame header char *fragbuf; //!< pointer to (de)frag buffer char _fragbuf[FRAME_SIZE]; //!< (de)frag buffer int fraglen; //!< current frag buffer size pthread_mutex_t mutex; //!< mutex for thread locking int perm; //!< keep peer permanently open time_t last_io; //!< timestamp when last I/O packet measurement started unsigned inm; unsigned outm; } OcatPeer_t; typedef struct OcatThread { struct OcatThread *next; pthread_t handle; pthread_attr_t attr; int detached; int id; char name[THREAD_NAME_LEN]; void *(*entry)(void*); void *parm; } OcatThread_t; typedef struct SocksQueue { struct SocksQueue *next; struct in6_addr addr; int state; int perm; int fd; time_t restart_time; time_t connect_time; int retry; } SocksQueue_t; //! IPv4 routing table entry typedef struct IPv4Route { struct IPv4Route *next[2]; //!< pointer to next routes in binary tree uint32_t dest; uint32_t netmask; struct in6_addr gw; } IPv4Route_t; //! IPv6 routing table entry typedef struct IPv6Route { struct in6_addr dest; int prefixlen; struct in6_addr gw; } IPv6Route_t; //! IPv6 pseudo header used for checksum calculation struct ip6_psh { struct in6_addr src; struct in6_addr dst; uint32_t len; char _pad[3]; uint8_t nxt; } __attribute__((packed)); typedef struct MACTable { uint16_t family; union { struct in6_addr in6addr; struct in_addr inaddr; }; uint8_t hwaddr[ETHER_ADDR_LEN]; time_t age; } MACTable_t; typedef struct ndp6 { struct ether_header eth; struct ip6_hdr ip6; union { struct icmp6_hdr icmp6; struct nd_neighbor_solicit ndp_sol; struct nd_neighbor_advert ndp_adv; }; //struct nd_opt_hdr ndp_opt; } __attribute__((packed)) ndp6_t; struct sockaddr_str { sa_family_t sstr_family; uint16_t sstr_port; char sstr_addr[INET6_ADDRSTRLEN]; }; /* // next header value for ocat internal use (RFC3692) #define OCAT_NEXT_HEADER 254 typedef struct OcatHdr { uint16_t oh_plen; uint8_t oh_nxt; // struct ip6_hdrctl oh_ip6hdrctl; // char oh_srcid[10]; } OcatHdr_t; #define OCAT_CTL_SRC 1 #define OCAT_CTL_EREQ 2 #define OCAT_CTL_ERES 3 typedef struct OcatCtrlHdr { uint8_t oct_type; char oct_srcid[10]; } OcatCtrlHdr_t; */ #ifndef WITHOUT_TUN #ifdef __sun__ #define TUN_DEV "/dev/tun" #elif __linux__ #define TUN_DEV "/dev/net/tun" #else #define TUN_DEV "/dev/tun0" #endif extern char *tun_dev_; #else #define TUN_DEV "STDIO" #endif extern pthread_mutex_t thread_mutex_; extern OcatThread_t *octh_; /* ocat.c */ /* ocatlog.c */ int open_connect_log(const char*); void log_msg(int, const char *, ...); #ifdef DEBUG #define log_debug(x...) log_msg(LOG_DEBUG, ## x) #else #define log_debug(x...) #endif /* ocatv6conv.c */ char *ipv6tonion(const struct in6_addr *, char *); int oniontipv6(const char *, struct in6_addr *); int oniontipv4(const char *, struct in_addr *, int); int has_tor_prefix(const struct in6_addr *); void rand_onion(char *); const char *inet_ntops(const struct sockaddr *, struct sockaddr_str *); /* #define IN6_HAS_TOR_PREFIX(a) ((((__const uint32_t *) (a))[0] == ((__const uint32_t*)(TOR_PREFIX))[0]) \ && (((__const uint16_t*)(a))[2] == ((__const uint16_t*)(TOR_PREFIX))[2])) */ /* ocattun.c */ #ifndef WITHOUT_TUN int tun_alloc(char *, int, struct in6_addr); #endif /* ocatroute.c */ extern int sockfd_[2]; void init_peers(void); void *socket_receiver(void *); void packet_forwarder(void); #ifdef PACKET_QUEUE void *packet_dequeuer(void *); #endif void *socket_acceptor(void *); void *socket_cleaner(void *); void *ocat_controller(void *); void *ctrl_handler(void *); int insert_peer(int, const SocksQueue_t *, time_t); int run_listeners(struct sockaddr **, int *, int, int (*)(int)); int send_keepalive(OcatPeer_t *); void set_select_timeout(struct timeval *); void set_nonblock(int); void set_tunheader(char *, uint32_t); uint32_t get_tunheader(char *); /* ocatthread.c */ const OcatThread_t *init_ocat_thread(const char *); int run_ocat_thread(const char *, void *(*)(void*), void*); const OcatThread_t *get_thread(void); int set_thread_name(const char *); int join_threads(void); void detach_thread(void); void print_threads(FILE *); int term_req(void); void set_term_req(void); /* ocatcompat.c */ #ifndef HAVE_STRLCAT size_t strlcat(char*, const char*, size_t); #endif #ifndef HAVE_STRLCPY size_t strlcpy(char*, const char*, size_t); #endif /* ocatpeer.c */ OcatPeer_t *get_first_peer(void); OcatPeer_t **get_first_peer_ptr(void); int lock_peers(void); int unlock_peers(void); int lock_peer(OcatPeer_t *); int unlock_peer(OcatPeer_t *); OcatPeer_t *search_peer(const struct in6_addr *); OcatPeer_t *get_empty_peer(void); void delete_peer(OcatPeer_t *); /* ocatsetup.c */ #define CNF(x) setup_.x extern struct OcatSetup setup_; void print_setup_struct(FILE *); void init_setup(void); void post_init_setup(void); void lock_setup(void); void unlock_setup(void); /* ocatipv4route.c */ struct in6_addr *ipv4_lookup_route(uint32_t); int parse_route(const char *); void print_routes(FILE *); /* ocateth.c */ int eth_check(char *, int); int mac_set(const struct in6_addr *, uint8_t *); void print_mac_tbl(FILE *); void mac_cleanup(void); char *mac_hw2str(const uint8_t *, char *); int ndp_solicit(const struct in6_addr *, const struct in6_addr *); #ifndef HAVE_ETHER_NTOA_R char *ether_ntoa_r(const struct ether_addr *, char *); #endif uint16_t checksum(const uint16_t *, int); void free_ckbuf(uint16_t *); uint16_t *malloc_ckbuf(const struct in6_addr *, const struct in6_addr *, uint16_t, uint8_t, const void *); /* ocatsocks.c */ void socks_queue(struct in6_addr, int); void print_socks_queue(FILE *); void sig_socks_connector(void); void *socks_connector_sel(void *); /* ocatlibe.c */ void oe_close(int); int oe_remtr(char *); int strsockaddr(const char *, struct sockaddr *); void add_local_listeners(void); void add_listener(const char *); void delete_listeners(struct sockaddr **, int *, int); int fdprintf(int, const char *, va_list); /* ocatipv6route.c */ struct in6_addr *ipv6_lookup_route(const struct in6_addr *); void ipv6_print_routes(FILE *); int ipv6_parse_route(const char *); #ifdef __CYGWIN__ /* ocat_wintuntap.c */ int win_open_tun(char *, int); int win_close_tun(void); int win_read_tun(char *, int); int win_write_tun(const char *, int); #define tun_read(x,y,z) win_read_tun(y,z) #define tun_write(x,y,z) win_write_tun(y,z) #else #define tun_read(x,y,z) read(x,y,z) #define tun_write(x,y,z) write(x,y,z) #endif /* ocatresolv.c */ int check_dns(const struct ip6_hdr *, int); #endif onioncat-0.2.2.r559/src/ocat_netdesc.h100644 001750 001750 00000006024 12074464213 0013132/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #ifndef OCAT_NETDESC_H #define OCAT_NETDESC_H #include "ocat.h" //! This structure contains information that's specifc for an anonymization // network. struct NetDesc { struct in6_addr prefix; int prefix_len; struct in_addr prefix4; int addr4_mask; int name_size; char *domain; short listen_port; short ctrl_port; short vdest_port; short socks_port; char *clog_file; char *pid_file; char *config_file; }; extern const struct NetDesc netdesc_[2]; #define NDESC(x) (netdesc_[CNF(net_type)].x) // ----- these are #defines for Tor ----- // //! TOR prefix: FD87:D87E:EB43::/48 #define TOR_PREFIX {{{0xfd,0x87,0xd8,0x7e,0xeb,0x43,0,0,0,0,0,0,0,0,0,0}}} #define TOR_PREFIX_LEN 48 #if BYTE_ORDER == LITTLE_ENDIAN #ifdef __sun__ #define TOR_PREFIX4 {{{0x0000000a}}} #else #define TOR_PREFIX4 {0x0000000a} #endif #define TOR_PREFIX4_MASK 0x000000ff #else #ifdef __sun__ #define TOR_PREFIX4 {{{0x0a000000}}} #else #define TOR_PREFIX4 {0x0a000000} #endif #define TOR_PREFIX4_MASK 0xff000000 #endif //! internal domain #define TOR_DOMAIN ".onion" //! Total length of .onion-URL #define TOR_ONION_NAME_SIZE (ONION_URL_LEN + 7) //! Local listening port for incoming connections from TOR. #define TOR_OCAT_LISTEN_PORT 8060 //! Local control port for querying status information. #define TOR_OCAT_CTRL_PORT 8066 //! Virtual destination port for hidden services #define TOR_OCAT_DEST_PORT 8060 //! SOCKS port of TOR proxy #define TOR_SOCKS_PORT 9050 #define TOR_OCAT_CONNECT_LOG "ocat_connect_log" #define TOR_PID_FILE "/var/run/ocat.pid" // ----- these are #defines for I2P ----- // //! TOR prefix: FD60:DB4D:DDB5::/48 #define I2P_PREFIX {{{0xfd,0x60,0xdb,0x4d,0xdd,0xb5,0,0,0,0,0,0,0,0,0,0}}} #define I2P_PREFIX_LEN TOR_PREFIX_LEN #define I2P_PREFIX4 TOR_PREFIX4 #define I2P_PREFIX4_MASK TOR_PREFIX4_MASK //! internal domain #define I2P_DOMAIN ".oc.b32.i2p" //! Total length of .onion-URL #define I2P_ONION_NAME_SIZE (ONION_URL_LEN + 12) //! Local listening port for incoming connections from TOR. #define I2P_OCAT_LISTEN_PORT 8061 //! Local control port for querying status information. #define I2P_OCAT_CTRL_PORT 8067 //! Virtual destination port for hidden services #define I2P_OCAT_DEST_PORT I2P_OCAT_LISTEN_PORT //! SOCKS port of TOR proxy #define I2P_SOCKS_PORT 9051 #define I2P_OCAT_CONNECT_LOG "gcat_connect_log" #define I2P_PID_FILE "/var/run/gcat.pid" #endif onioncat-0.2.2.r559/src/strlcpy.c100644 001750 001750 00000004426 12074464213 0012176/* $Id: strlcpy.c 8591 2006-10-03 19:00:07Z nickm $ */ /* $OpenBSD: strlcpy.c,v 1.2 1998/11/06 04:33:16 wvdputte Exp $ */ /* * Copyright (c) 1998 Todd C. Miller * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: strlcpy.c,v 1.2 1998/11/06 04:33:16 wvdputte Exp $"; #endif /* LIBC_SCCS and not lint */ #include #include /* * Copy src to string dst of size siz. At most siz-1 characters * will be copied. Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >= siz, truncation occurred. */ size_t strlcpy(char *dst, const char *src, size_t siz) { register char *d = dst; register const char *s = src; register size_t n = siz; if (n == 0) return(strlen(s)); while (*s != '\0') { if (n != 1) { *d++ = *s; n--; } s++; } *d = '\0'; return(s - src); /* count does not include NUL */ } onioncat-0.2.2.r559/src/strlcat.c100644 001750 001750 00000004775 12074464216 0012164/* $OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $ */ /* * Copyright (c) 1998 Todd C. Miller * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include #include /* * Appends src to string dst of size siz (unlike strncat, siz is the * full size of dst, not space left). At most siz-1 characters * will be copied. Always NUL terminates (unless siz <= strlen(dst)). * Returns strlen(src) + MIN(siz, strlen(initial dst)). * If retval >= siz, truncation occurred. */ size_t strlcat(char *dst, const char *src, size_t siz) { register char *d = dst; register const char *s = src; register size_t n = siz; size_t dlen; /* Find the end of dst and adjust bytes left but don't go past end */ while (n-- != 0 && *d != '\0') d++; dlen = d - dst; n = siz - dlen; if (n == 0) return(dlen + strlen(s)); while (*s != '\0') { if (n != 1) { *d++ = *s; n--; } s++; } *d = '\0'; return(dlen + (s - src)); /* count does not include NUL */ } onioncat-0.2.2.r559/src/ocathosts.h100644 001750 001750 00000002405 12074464216 0012510/* Copyright 2008-2010 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #ifndef OCATHOSTS_H #define OCATHOSTS_H #ifdef HAVE_TIME_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETDB_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #define HOSTS_LINE_LENGTH 1024 struct hosts_ent { struct in6_addr addr; char name[NI_MAXHOST]; }; struct hosts_info { struct timespec hosts_ts; int hosts_fd; struct hosts_ent *hosts_ent; int hosts_ent_cnt; const char *hdom; }; int hosts_check(void); int hosts_get_name(const struct in6_addr*, char*, int); void hosts_init(const char*); #endif onioncat-0.2.2.r559/src/Makefile.am100644 001750 001750 00000000736 12074464227 0012373bin_PROGRAMS = ocat ocat_SOURCES = ocat.c ocatlog.c ocatroute.c ocatthread.c ocattun.c ocatv6conv.c ocatcompat.c ocatpeer.c ocatsetup.c ocatipv4route.c ocateth.c ocatsocks.c ocatlibe.c ocatctrl.c ocatipv6route.c ocaticmp.c ocat_wintuntap.c ocat_netdesc.c ocathosts.c ocatresolv.c noinst_HEADERS = ocat.h ocat_netdesc.h strlcpy.c strlcat.c ocathosts.h AM_CFLAGS = -DSYSCONFDIR=\"$(sysconfdir)\" install-exec-hook: $(LN_S) -f ocat$(EXEEXT) \ $(DESTDIR)$(bindir)/gcat$(EXEEXT) onioncat-0.2.2.r559/src/Makefile.in100644 001750 001750 00000042142 12165256262 0012400# Makefile.in generated by automake 1.11.5 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; 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Fischer. * * This file is part of OnionCat. * * OnionCat is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License. * * OnionCat is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OnionCat. If not, see . */ #include "ocat.h" #include "ocat_netdesc.h" void usage(const char *s) { fprintf(stderr, "%s\n" "usage: %s [OPTIONS] \n" " -a create connect log at \"$HOME/%s/%s\" (default = %d)\n" " -b daemonize (default = %d)\n" " -B do not daemonize (default = %d)\n" " -h display usage message\n" " -H ignore /etc/hosts while in GarliCat mode\n" " -C disable local controller interface\n" " -d set debug level to n, default = %d\n" " -f read config from config_file (default = %s)\n" " -i convert onion hostname to IPv6 and exit\n" " -I GarliCat mode, use I2P instead of Tor\n" " -l [:] set ocat listen address and port, default = 127.0.0.1:%d\n" " -L log output to (default = stderr)\n" " -o convert IPv6 address to onion url and exit\n" " -p use TAP device instead of TUN\n" " -P [] create pid file at location of (default = %s)\n" " -r run as root, i.e. do not change uid/gid\n" " -R generate a random local onion URL\n" " -s set hidden service virtual port, default = %d\n" " -t [:] set Tor SOCKS address and port, default = 127.0.0.1:%d\n" #ifndef WITHOUT_TUN " -T path to tun character device, default = \"%s\"\n" #endif " -U disable unidirectional mode\n" " -u change UID to user, default = \"%s\"\n" " -4 enable IPv4 support (default = %d)\n" , CNF(version), s, // option defaults start here OCAT_DIR, NDESC(clog_file), CNF(create_clog), CNF(daemon), CNF(daemon) ^ 1, CNF(debug_level), CNF(config_file), NDESC(listen_port), CNF(pid_file), CNF(ocat_dest_port), ntohs(CNF(socks_dst)->sin_port), #ifndef WITHOUT_TUN TUN_DEV, #endif OCAT_UNAME, CNF(ipv4_enable) ); } /*! Open the message log. It's set by command line option -L. * @return 0 if file was successfully opened, -1 if stderr is * used instead. */ int open_logfile(void) { FILE *f; if (CNF(logfn)) { log_debug("opening log file \"%s\"", CNF(logfn)); if ((f = fopen(CNF(logfn), "a"))) { CNF(logf) = f; log_debug("logfile %s opened", CNF(logfn)); if (setvbuf(CNF(logf), NULL, _IOLBF, 0)) log_msg(LOG_ERR, "could not setup line buffering: %s", strerror(errno)); fflush(CNF(logf)); return 0; } //CNF(logf) = stderr; log_msg(LOG_ERR, "could not open logfile %s: %s.", CNF(logfn), strerror(errno)); } return -1; } int mk_pid_file(void) { FILE *f; char c; if (!(f = fopen(CNF(pid_file), "w"))) { log_msg(LOG_ERR, "could not create pid_file %s: %s", CNF(pid_file), strerror(errno)); return -1; } fprintf(f, "%d\n", (int) getpid()); fclose(f); log_debug("pid_file %s created, pid = %d", CNF(pid_file), getpid()); if (pipe(CNF(pid_fd)) == -1) { log_msg(LOG_WARNING, "could not open pid pipe: \"%s\"", strerror(errno)); return -1; } switch (fork()) { case -1: oe_close(CNF(pid_fd[0])); oe_close(CNF(pid_fd[1])); return -1; // child case 0: oe_close(CNF(pid_fd[1])); // close tunnel device oe_close(CNF(tunfd[0])); if (CNF(tunfd[0]) != CNF(tunfd[1])) oe_close(CNF(tunfd[1])); // wait for something happening on pipe if (read(CNF(pid_fd[0]), &c, 1) == -1) log_msg(LOG_ERR, "error reading from pid_fd %d: \"%s\"", CNF(pid_fd[0]), strerror(errno)), exit(1); if (unlink(CNF(pid_file)) == -1) log_msg(LOG_WARNING, "error deleting pid ]ile \"%s\": \"%s\"", CNF(pid_file), strerror(errno)), exit(1); log_msg(LOG_INFO, "pid file deleted, exiting."); exit(0); // parent default: oe_close(CNF(pid_fd[0])); } return CNF(pid_fd[1]); } void background(void) { pid_t pid, ppid; log_debug("backgrounding"); ppid = getpid(); pid = fork(); switch(pid) { case -1: CNF(daemon) = 0; log_msg(LOG_ERR, "fork failed: %s. Staying in foreground", strerror(errno)); return; case 0: log_msg(LOG_INFO, "process backgrounded by parent %d, new pid = %d", ppid, getpid()); (void) umask(0); if (setsid() == -1) log_msg(LOG_ERR, "could not set process group ID: \"%s\"", strerror(errno)); if (chdir("/") == -1) log_msg(LOG_ERR, "could not change directory to /: \"%s\"", strerror(errno)); // redirect standard files to /dev/null if (!freopen( "/dev/null", "r", stdin)) log_msg(LOG_ERR, "could not reconnect stdin to /dev/null: \"%s\"", strerror(errno)); if (!freopen( "/dev/null", "w", stdout)) log_msg(LOG_ERR, "could not reconnect stdout to /dev/null: \"%s\"", strerror(errno)); if (!freopen( "/dev/null", "w", stderr)) log_msg(LOG_ERR, "could not reconnect stderr to /dev/null: \"%s\"", strerror(errno)); return; default: log_debug("parent %d exits, background pid = %d", ppid, pid); if (CNF(logf)) fclose(CNF(logf)); exit(0); } } /*! Signal handler for SIGINT. */ void sig_handler(int sig) { int status; switch (sig) { case SIGCHLD: // FIXME: there should be some error handling (void) waitpid(-1, &status, WNOHANG); case SIGTERM: case SIGINT: // emergency shutdown if signalled twice if (CNF(sig_term)) exit(0); CNF(sig_term) = 1; break; case SIGUSR1: CNF(sig_usr1) = 1; break; } } void install_sig(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = sig_handler; log_debug("installing signal handler"); if (sigaction(SIGTERM, &sa, NULL) == -1) log_msg(LOG_ERR, "could not install SIGINT handler: \"%s\"", strerror(errno)), exit(1); if (sigaction(SIGINT, &sa, NULL) == -1) log_msg(LOG_ERR, "could not install SIGINT handler: \"%s\"", strerror(errno)), exit(1); if (sigaction(SIGHUP, &sa, NULL) == -1) log_msg(LOG_ERR, "could not install SIGHUP handler: \"%s\"", strerror(errno)), exit(1); if (sigaction(SIGUSR1, &sa, NULL) == -1) log_msg(LOG_ERR, "could not install SIGUSR1 handler: \"%s\"", strerror(errno)), exit(1); if (sigaction(SIGCHLD, &sa, NULL) == -1) log_msg(LOG_ERR, "could not install SIGCHLD handler: \"%s\"", strerror(errno)), exit(1); } void cleanup_system(void) { OcatPeer_t *peer, *next; char c; log_msg(LOG_NOTICE, "waiting for system cleanup..."); // close tunnel interface #ifdef __CYGWIN__ (void) win_close_tun(); #else log_debug("closing tunfd %d (and %d)", CNF(tunfd[0]), CNF(tunfd[1])); oe_close(CNF(tunfd[0])); if (CNF(tunfd[0]) != CNF(tunfd[1])) oe_close(CNF(tunfd[1])); #endif // close and delete all peers log_debug("deleting peers"); lock_peers(); for (peer = get_first_peer(); peer; peer = next) { lock_peer(peer); log_debug("closing tcpfd %d", peer->tcpfd); oe_close(peer->tcpfd); unlock_peer(peer); // get pointer to next before freeing struct next = peer->next; log_debug("deleting peer at %p", peer); delete_peer(peer); } unlock_peers(); sig_socks_connector(); // join threads if (join_threads() > 1) { // waiting for detached threads log_debug("waiting %ds for detached threads", SELECT_TIMEOUT); sleep(SELECT_TIMEOUT); } delete_listeners(CNF(oc_listen), CNF(oc_listen_fd), CNF(oc_listen_cnt)); if (CNF(create_pid_file) && (CNF(pid_fd[1]) != -1)) { if (write(CNF(pid_fd[1]), &c, 1) == -1) log_msg(LOG_ERR, "cout not write to pid fd %d: \"%s\"", CNF(pid_fd[1]), strerror(errno)); } } void parse_opt_early(int argc, char *argv_orig[]) { int c, optf = 0; char *argv[argc + 1]; log_debug("parse_opt_early()"); // argv array is copied to prevent the original one from being modified by // getopt(). This behavior is at least true for Linux. memcpy(&argv, argv_orig, sizeof(char*) * (argc + 1)); opterr = 0; while ((c = getopt(argc, argv, "f:I")) != -1) { log_debug("getopt(): c = %c, optind = %d, opterr = %d, optarg = \"%s\"", c, optind, opterr, SSTR(optarg)); switch (c) { case 'f': if (!optf) { free(CNF(config_file)); CNF(config_file) = optarg; optf++; } else log_msg(LOG_ERR, "multiple options -f ignored"); break; case 'I': CNF(net_type) = NTYPE_I2P; break; case '?': break; } } } int parse_opt(int argc, char *argv[]) { int c, urlconv = 0; log_debug("parse_opt_early()"); opterr = 1; optind = 1; while ((c = getopt(argc, argv, "f:IabBCd:hHrRiopl:t:T:s:Uu:4L:P:")) != -1) { log_debug("getopt(): c = %c, optind = %d, opterr = %d, optarg = \"%s\"", c, optind, opterr, SSTR(optarg)); switch (c) { // those options are parsed in parse_opt_early() case 'f': case 'I': break; case 'a': CNF(create_clog) = 1; break; case 'b': CNF(daemon) = 1; break; case 'B': CNF(daemon) = 0; break; case 'C': CNF(controller) = 0; break; case 'd': CNF(debug_level) = atoi(optarg); break; case 'i': urlconv = 1; break; case 'h': usage(argv[0]); exit(1); case 'H': CNF(hosts_lookup) = 0; break; case 'l': if (CNF(oc_listen_cnt) == -1) break; if (!strcasecmp(optarg, "none")) CNF(oc_listen_cnt) = -1; else add_listener(optarg); break; case 'L': if (!strcmp(optarg, "syslog")) CNF(use_syslog) = 1; else CNF(logfn) = optarg; break; case 'o': urlconv = 2; break; case 'p': CNF(use_tap) = 1; break; case 'P': CNF(create_pid_file) = 1; if (optarg[0] == '-') optind--; else CNF(pid_file) = optarg; break; case 'r': CNF(runasroot) = 1; CNF(usrname) = "root"; break; case 'R': CNF(rand_addr) = 1; break; case 's': CNF(ocat_dest_port) = atoi(optarg); break; case 't': if (!strcasecmp(optarg, "none")) CNF(socks_dst)->sin_family = 0; else if (strsockaddr(optarg, (struct sockaddr*) CNF(socks_dst)) == -1) exit(1); break; #ifndef WITHOUT_TUN case 'T': tun_dev_ = optarg; break; #endif case 'U': CNF(unidirectional) = 0; break; case 'u': CNF(usrname) = optarg; break; case '4': CNF(ipv4_enable) = 1; break; default: usage(argv[0]); exit(1); } } return urlconv; } int main(int argc, char *argv[]) { char *s, ip6addr[INET6_ADDRSTRLEN], hw[20], def[100], pwdbuf[SIZE_1K]; int c; struct passwd *pwd, pwdm; int urlconv = 0, mode_detect = 0; init_setup(); // detect network type by command file name // FIXME: this should be not hardcoded in that way // FIXME: basename() should better be used instead of strstr() if (strstr(argv[0], "gcat")) { CNF(net_type) = NTYPE_I2P; snprintf(def, 100, "127.0.0.1:%d", NDESC(listen_port)); post_init_setup(); mode_detect = 1; } #ifdef DEBUG for (c = 0; c < argc; c++) log_debug("argv[%d] = \"%s\"", c, argv[c]); #endif parse_opt_early(argc, argv); if (!mode_detect) { snprintf(def, 100, "127.0.0.1:%d", NDESC(listen_port)); post_init_setup(); } if ((c = open(CNF(config_file), O_RDONLY)) == -1) { CNF(config_failed) = errno; CNF(config_read) = 1; log_debug("opening config file \"%s\" failed: \"%s\"", CNF(config_file), strerror(CNF(config_failed))); } else ctrl_handler((void*) (long) c); #ifdef DEBUG for (c = 0; c < argc; c++) log_debug("argv[%d] = \"%s\"", c, argv[c]); #endif urlconv = parse_opt(argc, argv); // usage output must be after mode detection (Tor/I2P) if (argc < 2) usage(argv[0]), exit(1); if (!CNF(rand_addr) && !argv[optind]) usage(argv[0]), exit(1); if (urlconv) CNF(daemon) = 0; // log to stderr if in foreground if (!CNF(daemon) && !CNF(use_syslog)) CNF(logf) = stderr; if ((open_logfile() == -1) && !CNF(logf)) openlog(PACKAGE_NAME, LOG_NDELAY | LOG_PID, LOG_DAEMON); // init main thread (void) init_ocat_thread("main"); detach_thread(); if (CNF(config_failed) && (CNF(config_failed != ENOENT))) log_msg(LOG_NOTICE, "could not open config file %s: %s", CNF(config_file), strerror(CNF(config_failed))); if (urlconv == 2) { if ((c = inet_pton(AF_INET6, argv[optind], &CNF(ocat_addr))) < 0) log_msg(LOG_ERR, "inet_pton failed: %s", strerror(errno)), exit(1); else if (!c) log_msg(LOG_ERR, "%s is not a valid IPv6 address", argv[optind]), exit(1); if (!has_tor_prefix(&CNF(ocat_addr))) log_msg(LOG_ERR, "address does not have TOR prefix"), exit(1); ipv6tonion(&CNF(ocat_addr), CNF(onion_url)); printf("%s%s\n", CNF(onion_url), NDESC(domain)); exit(0); } // copy onion-URL from command line log_debug("argv[%d] = \"%s\"", optind, SSTR(argv[optind])); if (!CNF(rand_addr)) strncpy(CNF(onion_url), argv[optind], NDESC(name_size)); // ...or generate a random one else rand_onion(CNF(onion_url)); // convert parameter to IPv6 address if ((s = strchr(CNF(onion_url), '.'))) *s = '\0'; if (strlen(CNF(onion_url)) != 16) log_msg(LOG_ERR, "parameter seems not to be valid onion hostname"), exit(1); if (oniontipv6(CNF(onion_url), &CNF(ocat_addr)) == -1) log_msg(LOG_ERR, "parameter seems not to be valid onion hostname"), exit(1); if (CNF(ipv4_enable)) oniontipv4(CNF(onion_url), &CNF(ocat_addr4), ntohl(CNF(ocat_addr4_mask))); if (!inet_ntop(AF_INET6, &CNF(ocat_addr), ip6addr, INET6_ADDRSTRLEN)) log_msg(LOG_ERR, "cannot convert IP address with inet_ntop: \"%s\"", strerror(errno)), exit(1); if (urlconv == 1) { printf("%s\n", ip6addr); if (CNF(ipv4_enable)) printf("%s\n", inet_ntoa(CNF(ocat_addr4))); exit(0); } log_msg(LOG_INFO, "%s", CNF(version)); memcpy(&CNF(ocat_hwaddr[3]), &CNF(ocat_addr.s6_addr[13]), 3); if (CNF(use_tap)) log_msg(LOG_INFO, "MAC address %s", ether_ntoa_r((struct ether_addr*) CNF(ocat_hwaddr), hw)); #ifndef WITHOUT_TUN // create TUN device if ((CNF(tunfd[0]) = CNF(tunfd[1]) = tun_alloc(CNF(tunname), sizeof(CNF(tunname)), CNF(ocat_addr))) == -1) { log_msg(LOG_CRIT, "error opening TUN/TAP device"); exit(1); } #endif log_msg(LOG_INFO, "IPv6 address %s", ip6addr); log_msg(LOG_INFO, "TUN/TAP device %s", CNF(tunname)); if (CNF(ipv4_enable)) log_msg(LOG_INFO, "IP address %s", inet_ntoa(CNF(ocat_addr4))); log_debug("tun frameheader v6 = 0x%08x, v4 = 0x%08x", ntohl(CNF(fhd_key[IPV6_KEY])), ntohl(CNF(fhd_key[IPV4_KEY]))); // daemonize of required if (CNF(daemon)) background(); // create pid_file if (CNF(create_pid_file)) mk_pid_file(); if (!CNF(oc_listen_cnt)) add_listener(def); // start socket receiver thread run_ocat_thread("receiver", socket_receiver, NULL); // create listening socket and start socket acceptor if (CNF(oc_listen_cnt) > 0) run_ocat_thread("acceptor", socket_acceptor, NULL); else log_msg(LOG_INFO, "acceptor not started"); // starting socket cleaner run_ocat_thread("cleaner", socket_cleaner, NULL); // getting passwd info for user log_debug("getting user info for \"%s\"", CNF(usrname)); c = getpwnam_r(CNF(usrname), &pwdm, pwdbuf, SIZE_1K, &pwd); if (!pwd) { log_msg(LOG_WARNING, "can't get information for user \"%s\": \"%s\", defaulting to uid %d", CNF(usrname), c ? strerror(c) : "user not found", OCAT_UNPRIV_UID); // if no passwd entry exists then default to some unprivileged user memset(&pwdm, 0, sizeof(pwdm)); pwd = &pwdm; pwd->pw_name = OCAT_UNPRIV_UNAME; pwd->pw_uid = OCAT_UNPRIV_UID; pwd->pw_gid = OCAT_UNPRIV_UID; CNF(usrname) = pwd->pw_name; log_msg(LOG_NOTICE, "disabling connect log"); CNF(create_clog) = 0; } if (!CNF(runasroot) && !getuid()) { log_msg(LOG_INFO, "running as root, changing uid/gid to %s (uid %d/gid %d)", CNF(usrname), pwd->pw_uid, pwd->pw_gid); if (setgid(pwd->pw_gid)) log_msg(LOG_ERR, "could not change gid: \"%s\"", strerror(errno)), exit(1); if (setuid(pwd->pw_uid)) log_msg(LOG_ERR, "could not change uid: \"%d\"", strerror(errno)), exit(1); } log_debug("uid/gid = %d/%d", getuid(), getgid()); if (CNF(create_clog)) open_connect_log(pwd->pw_dir); // create socks connector thread and communication queue if (pipe(CNF(socksfd)) == -1) log_msg(LOG_EMERG, "couldn't create socks connector pipe: \"%s\"", strerror(errno)), exit(1); if (CNF(socks_dst)->sin_family) run_ocat_thread("connector", socks_connector_sel, NULL); else log_msg(LOG_INFO, "connector not started"); #ifdef PACKET_QUEUE // start packet dequeuer run_ocat_thread("dequeuer", packet_dequeuer, NULL); #endif // start controller socket thread if (CNF(controller)) run_ocat_thread("controller", ocat_controller, NULL); #ifdef CONNECT_ROOT_PEERS // initiate connections to permanent root peers log_debug("connecting root peers"); for (c = 0; c < ROOT_PEERS; c++) if (!IN6_ARE_ADDR_EQUAL(&CNF(root_peer[c]), &CNF(ocat_addr))) socks_queue(CNF(root_peer[c]), 1); #endif // install signal handler install_sig(); // start forwarding packets from tunnel log_msg(LOG_INFO, "starting packet forwarder"); packet_forwarder(); // initiate termination cleanup_system(); log_msg(LOG_INFO, "Thanks for using OnionCat. Good Bye!"); // delete main thread's struct free((OcatThread_t*) get_thread()); return 0; } onioncat-0.2.2.r559/src/ocatlog.c100644 001750 001750 00000010522 12074464227 0012125/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! @file * File contains logging functions. * @author Bernhard R. Fischer * @version 2008/10/1 */ #include "ocat.h" #include "ocat_netdesc.h" #define TIMESTRLEN 64 #define CBUFLEN 1024 #ifndef LOG_PRI #define LOG_PRI(p) ((p) & LOG_PRIMASK) #endif static pthread_mutex_t log_mutex_ = PTHREAD_MUTEX_INITIALIZER; static const char *flty_[8] = {"emerg", "alert", "crit", "err", "warning", "notice", "info", "debug"}; //! FILE pointer to connect log static FILE *clog_ = NULL; /*! Open connect log. * The connect log contains logging entries regarding * incoming or outgoing connections. * @param dir Name of directory which should contain the log file * @return 0 if log was opened or -1 on failure. */ int open_connect_log(const char *dir) { char buf[CBUFLEN]; if (clog_) return 0; if (!dir) { log_debug("dir has NULL pointer"); return -1; } strlcpy(buf, dir, CBUFLEN); strlcat(buf, "/", CBUFLEN); strlcat(buf, CNF(ocat_dir), CBUFLEN); log_debug("creating ocat log dir \"%s\"", buf); if (mkdir(buf, S_IRWXU | S_IRGRP | S_IXGRP) && (errno != EEXIST)) { log_msg(LOG_ERR, "could not create ocat directory \"%s\": \"%s\"", buf, strerror(errno)); return -1; } strlcat(buf, "/", CBUFLEN); strlcat(buf, NDESC(clog_file), CBUFLEN); log_debug("opening connect log \"%s\"", buf); if (!(clog_ = fopen(buf, "a"))) { log_msg(LOG_ERR, "could not open connect log \"%s\": \"%s\"", buf, strerror(errno)); return -1; } log_msg(LOG_NOTICE | LOG_FCONN, "connect log started"); return 0; } /*! Log a message to a file. * @param out Open FILE pointer * @param lf Logging priority (equal to syslog) * @param fmt Format string * @param ap Variable parameter list */ void vlog_msgf(FILE *out, int lf, const char *fmt, va_list ap) { struct timeval tv; struct tm *tm; time_t t; char timestr[TIMESTRLEN] = "", timez[TIMESTRLEN] = ""; const OcatThread_t *th = get_thread(); OcatThread_t ths; int level = LOG_PRI(lf); char buf[SIZE_1K]; if (CNF(debug_level) < level) return; //t = time(NULL); if (gettimeofday(&tv, NULL) == -1) fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, strerror(errno)), exit(1); t = tv.tv_sec; if ((tm = localtime(&t))) { (void) strftime(timestr, TIMESTRLEN, "%a, %d %b %Y %H:%M:%S", tm); (void) strftime(timez, TIMESTRLEN, "%z", tm); } // if thread struct not in list if (!th) { strlcpy(ths.name, "", THREAD_NAME_LEN); ths.id = -1; th = &ths; } (void) pthread_mutex_lock(&log_mutex_); if (out) { fprintf(out, "%s.%03d %s [%d:%-*s:%6s] ", timestr, (int) (tv.tv_usec / 1000), timez, th->id, THREAD_NAME_LEN - 1, th->name, flty_[level]); vfprintf(out, fmt, ap); fprintf(out, "\n"); } else { // log to syslog if no output stream is available //vsyslog(level | LOG_DAEMON, fmt, ap); vsnprintf(buf, SIZE_1K, fmt, ap); syslog(level | LOG_DAEMON, "[%s] %s", th->name, buf); } (void) pthread_mutex_unlock(&log_mutex_); } /*! Log a message. This function automatically determines * to which streams the message is logged. * @param lf Log priority. * @param fmt Format string. * @param ... arguments */ void log_msg(int lf, const char *fmt, ...) { va_list ap; va_start(ap, fmt); vlog_msgf(CNF(logf), lf, fmt, ap); va_end(ap); if (clog_ && (lf & LOG_FCONN)) { va_start(ap, fmt); vlog_msgf(clog_, lf, fmt, ap); va_end(ap); (void) fflush(clog_); } if (lf & LOG_FERR) { va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); fprintf(stderr, "\n"); } } onioncat-0.2.2.r559/src/ocatroute.c100644 001750 001750 00000073226 12154152560 0012505/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatroute.c * Contains functions for managing both kind of TCP peers. * Those are active SOCKS4A and passive TCP-LISTEN. * * @author Bernhard Fischer * @version 2008/02/03-01 */ #include "ocat.h" #ifdef HAVE_STRUCT_IPHDR #define IPPKTLEN(x) ntohs(((struct iphdr*) (x))->tot_len) #define IPHDLEN sizeof(struct iphdr) #else #define IPPKTLEN(x) ntohs(((struct ip*) (x))->ip_len) #define IPHDLEN sizeof(struct ip) #endif // file descriptors of socket_receiver pipe // used for internal communication static int lpfd_[2]; #ifdef PACKET_QUEUE // packet queue pointer static PacketQueue_t *queue_ = NULL; // mutex and condition variable for packet queue static pthread_mutex_t queue_mutex_ = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t queue_cond_ = PTHREAD_COND_INITIALIZER; #endif int forward_packet(const struct in6_addr *addr, const char *buf, int buflen) { OcatPeer_t *peer; int len; lock_peers(); if ((peer = search_peer(addr))) lock_peer(peer); unlock_peers(); if (!peer) { log_debug("no peer for forwarding"); return E_FWD_NOPEER; } log_debug("forwarding %d bytes to TCP fd %d", buflen, peer->tcpfd); if ((len = send(peer->tcpfd, buf, buflen, MSG_DONTWAIT)) == -1) { log_msg(LOG_ERR, "could not write %d bytes to peer %d: \"%s\", dropping", buflen, peer->tcpfd, strerror(errno)); } else { if (len != buflen) { // FIXME: there should be sender frag handling! log_msg(LOG_ERR, "could not write %d bytes to peer %d, %d bytes written", buflen, peer->tcpfd, len); } peer->time = time(NULL); peer->out += len; } unlock_peer(peer); return 0; } #ifdef PACKET_QUEUE void queue_packet(const struct in6_addr *addr, const char *buf, int buflen) { PacketQueue_t *queue; log_debug("copying packet to heap for queue"); if (!(queue = malloc(sizeof(PacketQueue_t) + buflen))) { log_msg(LOG_ERR, "%s for packet to queue", strerror(errno)); return; } //memcpy(&queue->addr, addr, sizeof(struct in6_addr)); IN6_ADDR_COPY(&queue->addr, addr); queue->psize = buflen; queue->data = ((char*)queue) + sizeof(PacketQueue_t); memcpy(queue->data, buf, buflen); queue->time = time(NULL); log_debug("queuing packet"); pthread_mutex_lock(&queue_mutex_); queue->next = queue_; queue_ = queue; log_debug("waking up dequeuer"); pthread_cond_signal(&queue_cond_); pthread_mutex_unlock(&queue_mutex_); } void *packet_dequeuer(void *p) { PacketQueue_t **queue, *fqueue; struct timespec ts; struct timeval tv; int rc, timed = 0; time_t delay; for (;;) { pthread_mutex_lock(&queue_mutex_); if (timed) { // replaced clock_gettime() due to portability issues if (gettimeofday(&tv, NULL) == -1) { log_msg(LOG_ERR, "couldn't gettime: \"%s\"", strerror(errno)); memset(&tv, 0, sizeof(tv)); } else { ts.tv_sec = tv.tv_sec; ts.tv_nsec = tv.tv_usec * 1000; } ts.tv_sec += DEQUEUER_WAKEUP; log_debug("timed conditional wait..."); rc = pthread_cond_timedwait(&queue_cond_, &queue_mutex_, &ts); } else { log_debug("conditional wait..."); rc = pthread_cond_wait(&queue_cond_, &queue_mutex_); } if (rc) log_msg(LOG_EMERG, "woke up: \"%s\"", strerror(rc)); log_debug("starting dequeuing"); for (queue = &queue_; *queue; /*queue = &(*queue)->next*/) { rc = forward_packet(&(*queue)->addr, (*queue)->data, (*queue)->psize); // delete packet from queue if it was sent or is too old delay = time(NULL) - (*queue)->time; if (!rc || (delay > MAX_QUEUE_DELAY)) { fqueue = *queue; *queue = (*queue)->next; free(fqueue); log_debug("packet dequeued, delay = %d", delay); continue; } queue = &(*queue)->next; } timed = queue_ != NULL; pthread_mutex_unlock(&queue_mutex_); } } #endif /*! Check if source and destination address has * the TOR IPv6 prefix. * @return 0 on error or packet length else. */ int check_tor_prefix(const struct ip6_hdr *ihd) { char buf[INET6_ADDRSTRLEN]; if (!has_tor_prefix(&ihd->ip6_dst)) { log_msg(LOG_ERR, "destination %s unreachable", inet_ntop(AF_INET6, &ihd->ip6_dst, buf, INET6_ADDRSTRLEN)); return 0; } if (!has_tor_prefix(&ihd->ip6_src)) { log_msg(LOG_ERR, "source address invalid. Remote ocat could not reply"); return 0; } return ntohs(ihd->ip6_plen); } void cleanup_socket(int fd, OcatPeer_t *peer) { log_msg(LOG_INFO | LOG_FCONN, "fd %d reached EOF, closing.", fd); oe_close(fd); lock_peers(); delete_peer(peer); unlock_peers(); } #ifdef HANDLE_HTTP #define BSTRLEN 1024 int handle_http(const OcatPeer_t *peer) { time_t t; char response[BSTRLEN], timestr[BSTRLEN]; struct tm tm; // simple check if packet could be an HTTP request if (strncmp(peer->fragbuf, "GET ", 4)) return 0; t = time(NULL); (void) localtime_r(&t, &tm); strftime(timestr, BSTRLEN, "%a, %d %b %Y %H:%M:%S %z", &tm); snprintf(response, BSTRLEN, "HTTP/1.0 301 HTTP not possible\r\nLocation: %s\r\nDate: %s\r\nContent-Type: text/html; charset=iso-8859-1\r\n\r\n" "

HTTP not possible!
OnionCat is running on this port at \"%s.onion\"

\r\n", OCAT_URL, timestr, CNF(onion_url) ); log_msg(LOG_NOTICE, "request seems to be HTTP"); if (send(peer->tcpfd, response, strlen(response), MSG_DONTWAIT) == -1) log_msg(LOG_ERR, "could not send html response"); return 1; } #endif int set_peer_dest(struct in6_addr *dest, const struct in6_addr *addr) { if (!has_tor_prefix(addr)) { log_debug("remote address does not have OC prefix"); return -1; } if (IN6_ARE_ADDR_EQUAL(addr, &CNF(ocat_addr))) { log_debug("source address is local address"); return -1; } *dest = *addr; return 0; } /*! Set select timeout a little bit "random" to diverse wakeup periods. */ void set_select_timeout(struct timeval *tv) { tv->tv_usec = rand() % 1000000; tv->tv_sec = SELECT_TIMEOUT + (tv->tv_usec & 1); log_debug("timeout %d.%06d", tv->tv_sec, tv->tv_usec); } void set_tunheader(char *buf, uint32_t tunhdr) { uint32_t *ibuf = (uint32_t*) buf; *ibuf = tunhdr; } uint32_t get_tunheader(char *buf) { uint32_t *ibuf = (uint32_t*) buf; return *ibuf; } void *socket_receiver(void *p) { int maxfd, len; char buf[FRAME_SIZE]; char addr[INET6_ADDRSTRLEN]; fd_set rset; OcatPeer_t *peer; struct in6_addr *in6; int drop = 0; struct ether_header *eh = (struct ether_header*) (buf + 4); struct timeval tv; if (pipe(lpfd_) < 0) log_msg(LOG_EMERG, "could not create pipe for socket_receiver: \"%s\"", strerror(errno)), exit(1); for (;;) { // check for termination request if (term_req()) break; FD_ZERO(&rset); FD_SET(lpfd_[0], &rset); maxfd = lpfd_[0]; // create set for all available peers to read lock_peers(); for (peer = get_first_peer(); peer; peer = peer->next) { lock_peer(peer); // only select active peers if (peer->state != PEER_ACTIVE) { unlock_peer(peer); continue; } if (peer->tcpfd >= FD_SETSIZE) log_msg(LOG_EMERG, "%d >= FD_SETIZE(%d)", peer->tcpfd, FD_SETSIZE), exit(1); FD_SET(peer->tcpfd, &rset); if (peer->tcpfd > maxfd) maxfd = peer->tcpfd; unlock_peer(peer); } unlock_peers(); set_select_timeout(&tv); log_debug("selecting (maxfd = %d)", maxfd); if ((maxfd = select(maxfd + 1, &rset, NULL, NULL, &tv)) == -1) { log_msg(LOG_ERR, "select encountered error: \"%s\", restarting", strerror(errno)); continue; } // thread woke up because of internal pipe read => restart selection if (FD_ISSET(lpfd_[0], &rset)) { read(lpfd_[0], buf, FRAME_SIZE - 4); maxfd--; } peer = NULL; while (maxfd) { // the following 10 locs look somehow strange and someone may tend // to write this as a for loop but it's necessary for thread locking! lock_peers(); if (!peer) peer = get_first_peer(); else if (!(peer = peer->next)) { log_msg(LOG_EMERG, "fd %d ready but no peer found"); unlock_peers(); break; } lock_peer(peer); unlock_peers(); if (peer->state != PEER_ACTIVE) { unlock_peer(peer); continue; } if (!FD_ISSET(peer->tcpfd, &rset)) { unlock_peer(peer); continue; } maxfd--; log_debug("reading from %d", peer->tcpfd); // read/append data to peer's fragment buffer if ((len = read(peer->tcpfd, peer->fragbuf + peer->fraglen, FRAME_SIZE - 4 - peer->fraglen)) == -1) { // this might happen on linux, see SELECT(2) log_debug("spurious wakup of %d: \"%s\"", peer->tcpfd, strerror(errno)); unlock_peer(peer); continue; } log_debug("received %d bytes on %d", len, peer->tcpfd); // if len == 0 EOF reached => close session if (!len) { log_msg(LOG_INFO | LOG_FCONN, "fd %d reached EOF, closing.", peer->tcpfd); oe_close(peer->tcpfd); // restart connection of permanent peers if (peer->perm) { log_debug("reconnection permanent peer"); socks_queue(peer->addr, 1); } unlock_peer(peer); // deleting peer // FIXME: there might be a race-condition with restarted permanent peers lock_peers(); delete_peer(peer); unlock_peers(); continue; } peer->fraglen += len; // update timestamp peer->time = time(NULL); peer->in += len; while (peer->fraglen) { // incoming packet seems to be IPv6 if ((peer->fragbuf[0] & 0xf0) == 0x60) { log_debug("identified IPv6 packet"); if ((peer->fraglen < IP6HLEN) || (peer->fraglen < ntohs(((struct ip6_hdr*) peer->fragbuf)->ip6_plen) + IP6HLEN)) { log_debug("keeping %d bytes frag", peer->fraglen); break; } len = ntohs(((struct ip6_hdr*)peer->fragbuf)->ip6_plen) + IP6HLEN; *peer->tunhdr = CNF(fhd_key[IPV6_KEY]); } // incoming packet seems to be IPv4 else if ((peer->fragbuf[0] & 0xf0) == 0x40) { if ((peer->fragbuf[0] & 0x0f) < 5) { log_debug("dropping packet, not IPv4 - resetting fragment buffer"); peer->fraglen = 0; break; } #ifdef HANDLE_HTTP if (handle_http(peer)) { log_msg(LOG_INFO | LOG_FCONN, "closing %d due to HTTP", peer->tcpfd); oe_close(peer->tcpfd); unlock_peer(peer); lock_peers(); delete_peer(peer); unlock_peers(); } #endif log_debug("identified IPv4 packet"); if ((peer->fraglen < IPHDLEN) || (peer->fraglen < IPPKTLEN(peer->fragbuf))) { log_debug("keeping %d bytes frag", peer->fraglen); break; } len = IPPKTLEN(peer->fragbuf); *peer->tunhdr = CNF(fhd_key[IPV4_KEY]); } else { /* log_debug("fragment buffer reset"); peer->fraglen = 0; */ log_debug("fragment buffer resynchronization"); len = 1; drop = 1; break; } // set IP address if it is not set yet and frame is valid and in bidirectional mode if (!CNF(unidirectional) && !drop && IN6_IS_ADDR_UNSPECIFIED(&peer->addr)) { if (*peer->tunhdr == CNF(fhd_key[IPV6_KEY])) { //memcpy(&peer->addr, &((struct ip6_hdr*)peer->fragbuf)->ip6_src, sizeof(struct in6_addr)); if (set_peer_dest(&peer->addr, &((struct ip6_hdr*)peer->fragbuf)->ip6_src)) drop = 1; } else if (*peer->tunhdr == CNF(fhd_key[IPV4_KEY])) { // check if there is a route back #ifdef HAVE_STRUCT_IPHDR if (!(in6 = ipv4_lookup_route(ntohl(((struct iphdr*) peer->fragbuf)->saddr)))) #else if (!(in6 = ipv4_lookup_route(ntohl(((struct ip*) peer->fragbuf)->ip_src.s_addr)))) #endif { drop = 1; log_debug("no route back"); } else { //memcpy(&peer->addr, in6, sizeof(struct in6_addr)); if (set_peer_dest(&peer->addr, in6)) drop = 1; } } if (!drop) log_msg(LOG_INFO | LOG_FCONN, "incoming connection on %d from %s is now identified", peer->tcpfd, inet_ntop(AF_INET6, &peer->addr, addr, INET6_ADDRSTRLEN)); } if (!drop) { // write directly on TUN device if (!CNF(use_tap)) { log_debug("writing to tun %d framesize %d + %d", CNF(tunfd[1]), len, 4 - BUF_OFF); if (tun_write(CNF(tunfd[1]), ((char*) peer->tunhdr) + BUF_OFF, len + 4 - BUF_OFF) != (len + 4 - BUF_OFF)) log_msg(LOG_ERR, "could not write %d bytes to tunnel %d", len + 4 - BUF_OFF, CNF(tunfd[1])); } // create ethernet header and handle MAC on TAP device else if (*peer->tunhdr == CNF(fhd_key[IPV6_KEY])) { log_debug("creating ethernet header"); // FIXME: should differentiate between IPv6 and IP!! memset(eh->ether_dst, 0, ETHER_ADDR_LEN); if (mac_set(&((struct ip6_hdr*)peer->fragbuf)->ip6_dst, eh->ether_dst) == -1) { log_debug("dest MAC unknown, resolving"); ndp_solicit(&((struct ip6_hdr*)peer->fragbuf)->ip6_src, &((struct ip6_hdr*)peer->fragbuf)->ip6_dst); } else { set_tunheader(buf, *peer->tunhdr); memcpy(buf + 4 + sizeof(struct ether_header), peer->fragbuf, len); memcpy(eh->ether_src, CNF(ocat_hwaddr), ETHER_ADDR_LEN); if (*peer->tunhdr == CNF(fhd_key[IPV6_KEY])) eh->ether_type = htons(ETHERTYPE_IPV6); else if (*peer->tunhdr == CNF(fhd_key[IPV4_KEY])) eh->ether_type = htons(ETHERTYPE_IP); if (tun_write(CNF(tunfd[1]), buf + BUF_OFF, len + 4 + sizeof(struct ether_header) - BUF_OFF) != (len + 4 + sizeof(struct ether_header) - BUF_OFF)) log_msg(LOG_ERR, "could not write %d bytes to tunnel %d", len + 4 + sizeof(struct ether_header) - BUF_OFF, CNF(tunfd[1])); } } else { log_debug("protocol %x not implemented on TAP device", ntohs(*peer->tunhdr)); } } else { log_msg(LOG_ERR, "dropping packet with %d bytes", len); drop = 0; } peer->fraglen -= len; if (peer->fraglen) { log_debug("moving fragment. fragsize %d", peer->fraglen); memmove(peer->fragbuf, peer->fragbuf + len, FRAME_SIZE - 4 - len); } else log_debug("fragbuf empty"); } // while (peer->fraglen) unlock_peer(peer); } // while (maxfd) } // for (;;) // closing pipe oe_close(lpfd_[0]); oe_close(lpfd_[1]); return NULL; } void set_nonblock(int fd) { long flags; if ((flags = fcntl(fd, F_GETFL, 0)) == -1) { log_msg(LOG_ERR, "could not get socket flags for %d: \"%s\"", fd, strerror(errno)); flags = 0; } log_debug("O_NONBLOCK currently is %x", flags & O_NONBLOCK); if ((fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1) log_msg(LOG_ERR, "could not set O_NONBLOCK for %d: \"%s\"", fd, strerror(errno)); } int insert_peer(int fd, const SocksQueue_t *sq, /*const struct in6_addr *addr,*/ time_t dly) { OcatPeer_t *peer; log_msg(LOG_INFO | LOG_FCONN, "inserting peer fd %d to active peer list", fd); set_nonblock(fd); lock_peers(); if (!(peer = get_empty_peer())) { unlock_peers(); log_msg(LOG_ERR, "could not get new empty peer"); return 0; } lock_peer(peer); unlock_peers(); peer->tcpfd = fd; peer->state = PEER_ACTIVE; peer->otime = peer->time = time(NULL); peer->sdelay = dly; if (sq) { //memcpy(&peer->addr, &sq->addr, sizeof(struct in6_addr)); IN6_ADDR_COPY(&peer->addr, &sq->addr); peer->dir = PEER_OUTGOING; peer->perm = sq->perm; } else peer->dir = PEER_INCOMING; unlock_peer(peer); // wake up socket_receiver log_debug("waking up socket_receiver"); if (write(lpfd_[1], &fd, 1) != 1) log_msg(LOG_EMERG, "couldn't write to socket_receiver pipe: \"%s\"", strerror(errno)); return 1; } int insert_anon_peer(int fd) { return insert_peer(fd, NULL, 0); } int create_listener(struct sockaddr *addr, int sock_len) { int family; int fd, so; switch (addr->sa_family) { case AF_INET: family = PF_INET; break; case AF_INET6: family = PF_INET6; break; default: log_msg(LOG_EMERG, "unknown address family %d", addr->sa_family); return -1; } if ((fd = socket(family, SOCK_STREAM, 0)) < 0) { log_msg(LOG_EMERG, "could not create listener socker: \"%s\"", strerror(errno)); return -1; } so = 1; if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &so, sizeof(so)) == -1) log_msg(LOG_WARNING, "could not set socket %d to SO_REUSEADDR: \"%s\"", fd, strerror(errno)); if (bind(fd, addr, sock_len) == -1) { log_msg(LOG_EMERG, "could not bind listener %d: \"%s\"", fd, strerror(errno)); oe_close(fd); return -1; } if (listen(fd, 32) < 0) { log_msg(LOG_EMERG, "could not bring listener %d to listening state: \"%s\"", fd, strerror(errno)); oe_close(fd); return -1; } log_debug("created listener, fd = %d", fd); return fd; } /*! run_listeners(...) is a generic socket acceptor for TCP ports. It listens * on a given list of sockets. Every time a connection comes in the function * action_accept is called with the incoming file descriptor as parameter. * * @param addr Double pointer to sockaddr structs. It MUST be terminated by a * null pointer. * @param sockfd Points to an int array. The array must contain at least as * much entries as the sockaddr pointer has entries. * @param action_accept Function pointer to function that should be called if a * connection arrives. * @return Always 0. */ int run_listeners(struct sockaddr **addr, int *sockfd, int cnt, int (action_accept)(int)) { int fd; struct sockaddr_in6 in6; fd_set rset; int maxfd, i; socklen_t alen; char iabuf[INET6_ADDRSTRLEN]; struct timeval tv; for (i = 0; i < cnt; i++) { log_debug("create listener"); if ((sockfd[i] = create_listener(addr[i], SOCKADDR_SIZE(addr[i]))) == -1) log_msg(LOG_EMERG, "exiting"), exit(1); } for (;;) { // check for termination request if (term_req()) break; log_debug("setting up fd_set"); FD_ZERO(&rset); maxfd = -1; for (i = 0; i < cnt; i++) { if (sockfd[i] == -1) continue; FD_SET(sockfd[i], &rset); if (sockfd[i] > maxfd) maxfd = sockfd[i]; } if (maxfd == -1) { log_debug("no active listener fds available"); break; } set_select_timeout(&tv); log_debug("selecting (maxfd = %d)", maxfd); if ((maxfd = select(maxfd + 1, &rset, NULL, NULL, &tv)) == -1) { log_debug("select returned: \"%s\"", strerror(errno)); continue; } log_debug("select returned %d fds ready", maxfd); for (i = 0; maxfd && (i < cnt); i++) { log_debug("checking fd %d (maxfd = %d, i = %d)", sockfd[i], maxfd, i); if (!FD_ISSET(sockfd[i], &rset)) continue; maxfd--; alen = sizeof(in6); log_debug("accepting connection on %d", sockfd[i]); if ((fd = accept(sockfd[i], (struct sockaddr*) &in6, &alen)) < 0) { log_msg(LOG_ERR, "error accepting connection on %d: \"%s\"", sockfd[i], strerror(errno)); // FIXME: there should be additional error handling! continue; } inet_ntop(in6.sin6_family, in6.sin6_family == AF_INET6 ? &in6.sin6_addr : (void*) &((struct sockaddr_in*) &in6)->sin_addr, iabuf, INET6_ADDRSTRLEN); log_msg(LOG_INFO | LOG_FCONN, "connection %d [%d] accepted on listener %d from %s port %d", fd, i, sockfd[i], iabuf, ntohs(in6.sin6_port)); (void) action_accept(fd); } // for } // closing listeners for (i = 0; i < cnt; i++) oe_close(sockfd[i]); log_debug("run_listeners returns"); return 0; } void *socket_acceptor(void *p) { run_listeners(CNF(oc_listen), CNF(oc_listen_fd), CNF(oc_listen_cnt), insert_anon_peer); return NULL; } void packet_forwarder(void) { char buf[FRAME_SIZE]; int rlen; struct in6_addr *dest; struct in_addr in; struct ether_header *eh = (struct ether_header*) &buf[4]; #ifdef PACKET_LOG int pktlog; log_debug("opening packetlog"); if ((pktlog = open("pkt_log", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR)) == -1) log_debug("could not open packet log: %s", strerror(errno)); #endif for (;;) { // check for termination request if (term_req()) break; #ifdef __OpenBSD__ // workaround for OpenBSD userland threads fcntl(CNF(tunfd[0]), F_SETFL, fcntl(CNF(tunfd[0]), F_GETFL) & ~O_NONBLOCK); #endif log_debug("reading from tunfd[0] = %d", CNF(tunfd[0])); if ((rlen = tun_read(CNF(tunfd[0]), buf + BUF_OFF, FRAME_SIZE - BUF_OFF)) == -1) { rlen = errno; log_debug("read from tun %d returned on error: \"%s\"", CNF(tunfd[0]), strerror(rlen)); if (rlen == EINTR) { log_debug("signal caught"); if (CNF(sig_term)) { log_msg(LOG_NOTICE, "caught termination request"); // set global termination flag set_term_req(); } if (CNF(sig_usr1)) { lock_setup(); CNF(clear_stats) = 1; unlock_setup(); log_msg(LOG_NOTICE, "stats will be cleared after next stats output"); } } log_debug("restarting"); continue; } rlen += BUF_OFF; log_debug("received on tunfd %d, framesize %d + %d", CNF(tunfd[0]), rlen - 4, 4 - BUF_OFF); #ifdef PACKET_LOG if ((pktlog != -1) && (write(pktlog, buf, rlen) == -1)) log_debug("could not write frame to packet log: %s", strerror(errno)); #endif // just to be on the safe side but this should never happen if ((!CNF(use_tap) && (rlen < 4)) || (CNF(use_tap) && (rlen < 4 + sizeof(struct ether_header)))) { log_msg(LOG_ERR, "frame effectively too short (rlen = %d)", rlen); continue; } // in case of TAP device handle ethernet header if (CNF(use_tap)) { if (eth_check(buf, rlen)) continue; // removing ethernet header // FIXME: it would be better to adjust pointers instead of moving data rlen -= sizeof(struct ether_header); memmove(eh, eh + 1, rlen - 4); } #if defined(__sun__) || defined(__CYGWIN__) // Solaris tunnel driver does not send tunnel // header thus we guess and set it manually if ((buf[BUF_OFF] & 0xf0) == 0x60) set_tunheader(buf, CNF(fhd_key[IPV6_KEY])); else if ((buf[BUF_OFF] & 0xf0) == 0x40) set_tunheader(buf, CNF(fhd_key[IPV4_KEY])); else set_tunheader(buf, -1); #endif if (get_tunheader(buf) == CNF(fhd_key[IPV6_KEY])) { if (((rlen - 4) < IP6HLEN)) { log_debug("IPv6 packet too short (%d bytes). dropping", rlen - 4); continue; } #ifndef CHECK_IPSRC if (!check_tor_prefix((struct ip6_hdr*) &buf[4])) { log_msg(LOG_ERR, "dropping frame"); continue; } #endif if (!(dest = ipv6_lookup_route(&((struct ip6_hdr*) &buf[4])->ip6_dst))) dest = &((struct ip6_hdr*) &buf[4])->ip6_dst; } else if (get_tunheader(buf) == CNF(fhd_key[IPV4_KEY])) { if (((rlen - 4) < IPHDLEN)) { log_debug("IPv4 packet too short (%d bytes). dropping", rlen - 4); continue; } #ifdef HAVE_STRUCT_IPHDR in.s_addr = ((struct iphdr*) &buf[4])->daddr; #else in.s_addr = ((struct ip*) &buf[4])->ip_dst.s_addr; #endif if (!(dest = ipv4_lookup_route(ntohl(in.s_addr)))) { log_msg(LOG_ERR, "no route to destination %s, dropping frame.", inet_ntoa(in)); continue; } } else { log_msg(LOG_ERR, "protocol 0x%08x not supported. dropping frame.", ntohl(get_tunheader(buf))); continue; } // now forward either directly or to the queue if (forward_packet(dest, buf + 4, rlen - 4) == E_FWD_NOPEER) { log_debug("adding destination to SOCKS queue"); socks_queue(*dest, 0); #ifdef PACKET_QUEUE log_debug("queuing packet"); queue_packet(dest, buf + 4, rlen - 4); #endif } } } int send_keepalive(OcatPeer_t *peer) { struct ip6_hdr hdr; int len; memset(&hdr, 0, sizeof(hdr)); //memcpy(&hdr.ip6_dst, &peer->addr, sizeof(struct in6_addr)); IN6_ADDR_COPY(&hdr.ip6_dst, &peer->addr); //memcpy(&hdr.ip6_src, &CNF(ocat_addr), sizeof(struct in6_addr)); IN6_ADDR_COPY(&hdr.ip6_src, &CNF(ocat_addr)); hdr.ip6_vfc = 0x60; hdr.ip6_nxt = IPPROTO_NONE; hdr.ip6_hops = 1; log_debug("sending %d bytes keepalive to fd %d", sizeof(hdr), peer->tcpfd); if ((len = send(peer->tcpfd, &hdr, sizeof(hdr), MSG_DONTWAIT)) == -1) { log_msg(LOG_ERR, "could not send keepalive: %s", strerror(errno)); return -1; } peer->out += len; if (len != sizeof(hdr)) { log_msg(LOG_ERR, "sending of %d bytes keepalive truncated to %d", sizeof(hdr), len); return -1; } return 0; } void *socket_cleaner(void *ptr) { OcatPeer_t *peer, **p; int stat_wup = 0; time_t act_time; for (;;) { // check for termination request if (term_req()) break; sleep(CLEANER_WAKEUP); log_debug("wakeup"); act_time = time(NULL); // stats output if (act_time - stat_wup >= STAT_WAKEUP) { stat_wup = act_time; //log_msg(LOG_INFO, "stats: ... (not implemented yet)"); lock_setup(); if (CNF(clear_stats)) { CNF(clear_stats) = 0; // FIXME: implement stats clearing here log_debug("stats cleared"); } unlock_setup(); } // cleanup MAC table mac_cleanup(); // cleanup peers lock_peers(); for (p = get_first_peer_ptr(); *p; p = &(*p)->next) { lock_peer(*p); // handle permanent connections if ((*p)->perm) { // sending keepalive if (act_time - (*p)->time >= KEEPALIVE_TIME) { send_keepalive(*p); (*p)->time = act_time; } unlock_peer(*p); } // handle temporary connections else if ((*p)->state && act_time - (*p)->time >= MAX_IDLE_TIME) { peer = *p; *p = peer->next; log_msg(LOG_INFO | LOG_FCONN, "peer %d timed out, closing.", peer->tcpfd); oe_close(peer->tcpfd); unlock_peer(peer); delete_peer(peer); if (!(*p)) { log_debug("last peer in list deleted, breaking loop"); break; } } else unlock_peer(*p); } unlock_peers(); } return NULL; } onioncat-0.2.2.r559/src/ocatthread.c100644 001750 001750 00000015402 12074464217 0012614/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatthread.c * contains thread management functions. Basically these are * wrapper functions around create_pthread. * * @author Bernhard R. Fischer * @version 2008/02/03-01 */ #include "ocat.h" // global thread id var and mutex for thread initializiation static int thread_id_ = 0; static int exit_cnt_ = 0; pthread_mutex_t thread_mutex_ = PTHREAD_MUTEX_INITIALIZER; OcatThread_t *octh_ = NULL; void init_ocat_thread_struct(OcatThread_t *th) { // init ocat thread structure th->handle = pthread_self(); pthread_mutex_lock(&thread_mutex_); th->id = thread_id_++; th->next = octh_; octh_ = th; pthread_mutex_unlock(&thread_mutex_); log_debug("_init_ thread %d", th->id); } const OcatThread_t *init_ocat_thread(const char *name) { OcatThread_t *th; // get memory for the ocat internal thread structure if (!(th = calloc(1, sizeof(OcatThread_t)))) { log_msg(LOG_ERR, "could not get memory for thread struct: \"%s\"", strerror(errno)); return NULL; } strlcpy(th->name, name, THREAD_NAME_LEN); init_ocat_thread_struct(th); return th; } void *thread_run(void *p) { OcatThread_t **tl; void *r; sigset_t ss; int ecnt, icnt; // block all signals for the thread sigfillset(&ss); pthread_sigmask(SIG_BLOCK, &ss, NULL); // init internal ocat thread structure init_ocat_thread_struct((OcatThread_t *) p); // call thread entry function log_debug("calling thread entry"); r = ((OcatThread_t*)p)->entry(((OcatThread_t*)p)->parm); log_debug("thread function returned"); // delete thread struct from list and free memory pthread_mutex_lock(&thread_mutex_); for (tl = &octh_; *tl; tl = &(*tl)->next) if ((*tl)->handle == ((OcatThread_t*)p)->handle) break; //free(p); if ((p = *tl)) { *tl = (*tl)->next; free(p); } ecnt = ++exit_cnt_; icnt = thread_id_; pthread_mutex_unlock(&thread_mutex_); log_debug("_exit_ thread, %d inits, %d exits", icnt, ecnt); return r; } int run_ocat_thread(const char *name, void *(*thfunc)(void*), void *parm) { int rc; OcatThread_t *th; // we need a helper structure on startup. // this is because pthread_create pushes only one arg. // the helper struct is freed again from the thread // (within thread_run()). if (!(th = calloc(1, sizeof(OcatThread_t)))) { rc = errno; log_msg(LOG_EMERG, "could not create thread %s: \"%s\"", name, strerror(errno)); return rc; } strlcpy(th->name, name, THREAD_NAME_LEN); th->entry = thfunc; th->parm = parm; if ((rc = pthread_attr_init(&th->attr))) { log_msg(LOG_ERR, "could not init pthread attr: \"%s\"", strerror(rc)); return rc; } #ifdef DEBUG size_t ss; if ((rc - pthread_attr_getstacksize(&th->attr, &ss))) log_debug("could not get thread stack size attr: \"%s\"", strerror(rc)); else log_debug("default thread stack size %dk, setting to %dk", ss / 1024, THREAD_STACK_SIZE / 1024); #endif if ((rc - pthread_attr_setstacksize(&th->attr, THREAD_STACK_SIZE))) { log_msg(LOG_EMERG, "could not init thread stack size attr - system may be unstable: \"%s\"", strerror(rc)); return rc; } log_debug("starting [%s]", name); if ((rc = pthread_create(&th->handle, &th->attr, thread_run, th))) { log_msg(LOG_EMERG, "could not start thread %s: \"%s\"", name, strerror(rc)); free(th); } return rc; } const OcatThread_t *get_thread(void) { OcatThread_t *th; pthread_t thread = pthread_self(); pthread_mutex_lock(&thread_mutex_); for (th = octh_; th; th = th->next) if (th->handle == thread) break; pthread_mutex_unlock(&thread_mutex_); return th; } int set_thread_name(const char *n) { int e = -1; OcatThread_t *th; pthread_t thread = pthread_self(); pthread_mutex_lock(&thread_mutex_); for (th = octh_; th; th = th->next) if (th->handle == thread) { strlcpy(th->name, n, THREAD_NAME_LEN); e = 0; break; } pthread_mutex_unlock(&thread_mutex_); return e; } void print_threads(FILE *f) { OcatThread_t *th; pthread_mutex_lock(&thread_mutex_); for (th = octh_; th; th = th->next) { fprintf(f, "[%s] " "handle = 0x%08lx, " "id = %d, " "entry = %p, " "parm = %p, " "detached = %d\n", th->name, (long) th->handle, th->id, th->entry, th->parm, th->detached); } pthread_mutex_unlock(&thread_mutex_); } int join_threads(void) { OcatThread_t *th, thb; void *ret; int rc; for (;;) { pthread_mutex_lock(&thread_mutex_); for (th = octh_, rc = 0; th && th->detached; th = th->next, rc++); if (!th) { pthread_mutex_unlock(&thread_mutex_); break; } memcpy(&thb, th, sizeof(OcatThread_t)); pthread_mutex_unlock(&thread_mutex_); log_debug("joing thread \"%s\" (%d)", thb.name, thb.id); if ((rc = pthread_join(thb.handle, &ret))) log_msg(LOG_ERR, "error joining thread: \"%s\"", strerror(rc)); log_debug("thread successful joined and return %p", ret); } log_debug("no more joinable threads available, %d detached", rc); return rc; } void detach_thread(void) { OcatThread_t *th; pthread_t thread = pthread_self(); int rc = 0; pthread_mutex_lock(&thread_mutex_); for (th = octh_; th; th = th->next) if (th->handle == thread) break; if (th && !(rc = pthread_detach(thread))) th->detached = 1; pthread_mutex_unlock(&thread_mutex_); if (!th) log_msg(LOG_EMERG, "thread tries to detach but is not in list"); else if (rc) log_msg(LOG_ERR, "could not detach thread: \"%s\"", strerror(rc)); else log_debug("thread detached"); } /*! Check for termination request. * @return 1 if termination requested, otherwise 0. */ int term_req(void) { int trq; lock_setup(); trq = CNF(term_req); unlock_setup(); return trq; } /*! Set termination request. */ void set_term_req(void) { lock_setup(); CNF(term_req) = 1; unlock_setup(); } onioncat-0.2.2.r559/src/ocattun.c100644 001750 001750 00000014173 12074464216 0012156/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocattun.c * These functions create the TUN device. * * @author Bernhard R. Fischer * @version 2008/02/03-01 */ #include "ocat.h" #include "ocat_netdesc.h" #ifndef WITHOUT_TUN char *tun_dev_ = TUN_DEV; #define IFCBUF 1024 void system_w(const char *s) { int e; log_debug("running command \"%s\"", s); if ((e = system(s)) == -1) log_msg(LOG_ERR, "could not exec \"%s\": \"%s\"", s, strerror(errno)); log_debug("exit status = %d", WEXITSTATUS(e)); } int tun_alloc(char *dev, int dev_s, struct in6_addr addr) { #ifdef __linux__ struct ifreq ifr; #endif #ifdef __sun__ int ppa = -1; #endif int fd; char astr[INET6_ADDRSTRLEN]; char astr4[INET_ADDRSTRLEN]; char buf[IFCBUF]; struct in_addr netmask;// = {CNF(ocat_addr4_mask)}; memcpy(&netmask, &CNF(ocat_addr4_mask), sizeof(netmask)); inet_ntop(AF_INET6, &addr, astr, INET6_ADDRSTRLEN); inet_ntop(AF_INET, &CNF(ocat_addr4), astr4, INET_ADDRSTRLEN); #ifdef __CYGWIN__ if ((fd = win_open_tun(dev, dev_s)) == -1) return -1; // set IPv6 address // 181 // % netsh interface ipv6 add address "LAN-Verbindung 2" fd87:d87e:eb43:0:84:2100:0:8421 // 182 // add route // 183 // % netsh interface ipv6 add route fd87:d87e:eb43::/48 "LAN-Verbindung 2" snprintf(buf, sizeof(buf), "netsh interface ipv6 add address \"%s\" %s", dev, astr); system_w(buf); snprintf(buf, sizeof(buf), "netsh interface ipv6 add route %s/%d \"%s\"", astr, NDESC(prefix_len), dev); system_w(buf); return 0; #endif log_debug("opening tun \"%s\"", tun_dev_); if ((fd = open(tun_dev_, O_RDWR)) < 0) { log_msg(LOG_EMERG, "could not open tundev %s: %s", tun_dev_, strerror(errno)); return -1; } #ifdef __linux__ memset(&ifr, 0, sizeof(ifr)); if (CNF(use_tap)) ifr.ifr_flags = IFF_TAP; else ifr.ifr_flags = IFF_TUN; //ifr.ifr_flags |= IFF_NO_PI; if (*dev) strncpy(ifr.ifr_name, dev, IFNAMSIZ); if (ioctl(fd, TUNSETIFF, (void *) &ifr) < 0) log_msg(LOG_EMERG, "could not set TUNSETIFF: %s", strerror(errno)), exit(1); strlcpy(dev, ifr.ifr_name, IFNAMSIZ); if (!CNF(use_tap)) { snprintf(buf, sizeof(buf), "ifconfig %s add %s/%d up", dev, astr, NDESC(prefix_len)); system_w(buf); } // according to drivers/net/tun.c only IFF_MULTICAST and IFF_PROMISC are supported. /* ifr.ifr_flags = IFF_UP | IFF_RUNNING | IFF_MULTICAST | IFF_NOARP; if (ioctl(fd, SIOCSIFFLAGS, (void*) &ifr) < 0) log_msg(LOG_ERR, "could not set interface flags: \"%s\"", strerror(errno)); */ #else // get interface name if (!CNF(use_tap)) { if (strstr(tun_dev_, "tun")) strlcpy(dev, strstr(tun_dev_, "tun"), IFNAMSIZ); else strlcpy(dev, "tun0", IFNAMSIZ); } else { if (strstr(tun_dev_, "tap")) strlcpy(dev, strstr(tun_dev_, "tap"), IFNAMSIZ); else strlcpy(dev, "tap0", IFNAMSIZ); } /* if (ioctl(fd, SIOCGIFADDR, &ifr) == -1) { log_msg(LOG_ERR, "could not SIOCGIFADDR to get interface name: \"%s\"", strerror(errno)); strlcpy(dev, "tun0", IFNAMSIZ); } else { strlcpy(dev, ifr.ifr_name, IFNAMSIZ); } */ #if defined __FreeBSD__ || defined __DragonFly__ int prm = 1; if (ioctl(fd, TUNSIFHEAD, &prm) == -1) log_msg(LOG_EMERG, "could not ioctl:TUNSIFHEAD: %s", strerror(errno)), exit(1); prm = IFF_POINTOPOINT; if (ioctl(fd, TUNSIFMODE, &prm) == -1) log_msg(LOG_EMERG, "could not ioctl:TUNSIFMODE: %s", strerror(errno)), exit(1); #endif #ifdef __APPLE__ // see http://svn.deepdarc.com/code/miredo-osx/trunk/tuntap/README // FIXME: this should be included by the right header file // but I couldn't find it #define TUNSIFHEAD _IOW('t', 96, int) int prm = 1; if (ioctl(fd, TUNSIFHEAD, &prm) == -1) log_msg(LOG_EMERG, "could not ioctl:TUNSIFHEAD: %s", strerror(errno)), exit(1); #endif /* __linux__ */ #ifdef __sun__ if( (ppa = ioctl(fd, TUNNEWPPA, ppa)) == -1) log_msg(LOG_ERR, "Can't assign new interface"); else snprintf(dev, dev_s, "%s%d", dev, ppa); #endif if (!CNF(use_tap)) { #ifdef __OpenBSD__ snprintf(buf, sizeof(buf), "ifconfig %s inet6 %s prefixlen %d up", dev, astr, NDESC(prefix_len)); #elif __sun__ snprintf(buf, sizeof(buf), "ifconfig %s inet6 plumb %s/%d %s up", dev, astr, NDESC(prefix_len), astr); #else snprintf(buf, sizeof(buf), "ifconfig %s inet6 %s/%d up", dev, astr, NDESC(prefix_len)); #endif system_w(buf); // some OSes require routes to be set manually #ifdef __APPLE__ // MacOSX requires the route to be set up manually // FIXME: the prefix shouldn't be hardcoded here snprintf(buf, sizeof(buf), "route add -inet6 -net fd87:d87e:eb43:: -prefixlen %d -gateway %s", NDESC(prefix_len), astr); system_w(buf); #elif __sun__ // Solaris requires the route to be set up manually // FIXME: the prefix shouldn't be hardcoded here snprintf(buf, sizeof(buf), "route add -inet6 fd87:d87e:eb43::/%d %s -iface", NDESC(prefix_len), astr); system_w(buf); #endif } #endif // setting up IPv4 address if (CNF(ipv4_enable) && !CNF(use_tap)) { snprintf(buf, sizeof(buf), "ifconfig %s %s netmask %s", dev, astr4, inet_ntoa(netmask)); system_w(buf); } // bring up tap device if (CNF(use_tap)) { snprintf(buf, sizeof(buf), "ifconfig %s up", dev); system_w(buf); } return fd; } #endif /* WITHOUT_TUN */ onioncat-0.2.2.r559/src/ocatv6conv.c100644 001750 001750 00000011637 12074464226 0012574/* Copyright 2008,2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! @file * ocatv6conv.c * These functions convert IPv6 addresses to onion URLs * and vice versa. * * @author Bernhard R. Fischer * @version 2008/02/03-01 */ #include "ocat.h" #include "ocat_netdesc.h" static const char BASE32[] = "abcdefghijklmnopqrstuvwxyz234567"; //! array contains inverse mapping of base32 starting with '2'. static const char deBASE32_[] = { /* 2 3 4 5 6 7 8 9 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f */ 26, 27, 28, 29, 30, 31, -1, -1, -1, -1, -1, -1, -1, -1, /* A B C D E F G H I J K L M N O 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f */ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* P Q R S T U V W X Y Z 50 51 52 53 54 55 56 57 58 59 5a */ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 }; int has_tor_prefix(const struct in6_addr *addr) { return memcmp(addr, &NDESC(prefix), 6) == 0; } void set_tor_prefix(struct in6_addr *addr) { memcpy(addr, &NDESC(prefix), 6); } /*! Shift byte buffer of size ONION_URL_LEN (=17) 5 bits to the left. * @param bin Pointer to byte buffer, must be at least ONION_URL_LEN * bytes long. */ void shl5(char *bin) { int i; for (i = 0; i < ONION_URL_LEN - 1; i++) { bin[i] <<= 5; bin[i] |= (bin[i + 1] >> 3) & 0x1f; } bin[i] <<= 5; } int oniontipv6(const char *onion, struct in6_addr *ip6) { int i, j; memset(ip6, 0, sizeof(struct in6_addr)); for (i = 0; i < 16; i++) { shl5((char*) ip6); j = toupper((int) onion[i]); if ((j < '2') || (j > 'Z')) return -1; if ((j = deBASE32_[j - '2']) == -1) return -1; *(((char*) ip6) + 15) |= j; } set_tor_prefix(ip6); return 0; } int oniontipv4(const char *onion, struct in_addr *ip, int prefix_mask) { struct in6_addr ip6; //uint32_t netmask = 0xffffffff << (32 - prefix_len); uint32_t netmask = prefix_mask; uint32_t ip4; if (oniontipv6(onion, &ip6)) return -1; memcpy(&ip4, &ip6.s6_addr[12], sizeof(ip4)); ip4 &= htonl(~netmask); ip->s_addr |= ip4; return 0; } /*! Convert IPv6 address to onion-URL (without ".onion"). * @param ip6 Pointer to IPv6 address of type struct in6_addr. * @param onion Pointer to buffer to should receive onion-URL. * The buffer *must* be at least ONION_URL_LEN + 1 (=17) bytes long. * @return Returns always again pointer to buffer. */ char *ipv6tonion(const struct in6_addr *ip6, char *onion) { int i; char bin[ONION_URL_LEN], *r = onion; memcpy(bin, (char*) ip6 + 6, 10); for (i = 0; i < ONION_URL_LEN; i++, onion++) { *onion = BASE32[bin[0] >> 3 & 0x1f]; shl5(bin); } *onion = '\0'; return r; } /*! Generate a random onion-URL. * @paran onion must be of at least ONION_URL_LEN + 1 (=17). */ void rand_onion(char *onion) { int i; if (RAND_MAX < 32) log_msg(LOG_WARNING, "weak randomness: RAND_MAX = %d < 32", RAND_MAX); for (i = 0; i < ONION_URL_LEN; i++, onion++) *onion = BASE32[rand() & 0x1f]; *onion = '\0'; } /*! Convert struct sockaddr to stuct sockaddr_str which holds the address * in string representation. * @param saddr Const pointer to source of type struct sockaddr- * @param sas Pointer to destination of type struct sockaddr_str. * @return Pointer to string (sas->sstr_addr) or NULL on error. In the * latter case errno will be set correctly. */ const char *inet_ntops(const struct sockaddr *saddr, struct sockaddr_str *sas) { char *src; log_debug("convert sockaddr %p to sockaddr_str %p", saddr, sas); switch (saddr->sa_family) { case AF_INET: src = (char*) &((struct sockaddr_in*) saddr)->sin_addr; sas->sstr_port = ((struct sockaddr_in*) saddr)->sin_port; break; case AF_INET6: src = (char*) &((struct sockaddr_in6*) saddr)->sin6_addr; sas->sstr_port = ((struct sockaddr_in6*) saddr)->sin6_port; break; default: errno = EAFNOSUPPORT; return NULL; } sas->sstr_family = saddr->sa_family; return inet_ntop(saddr->sa_family, src, sas->sstr_addr, sizeof(sas->sstr_addr)); } onioncat-0.2.2.r559/src/ocatcompat.c100644 001750 001750 00000001502 12074464227 0012625/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifndef HAVE_STRLCAT #include "strlcat.c" #endif #ifndef HAVE_STRLCPY #include "strlcpy.c" #endif onioncat-0.2.2.r559/src/ocatpeer.c100644 001750 001750 00000006737 12074464214 0012310/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatpeer.c * This file contains function on managing the peer list, i.e. * adding, removing peers and thread locking mechanism. * * @author Bernhard R. Fischer * @version 2008/02/03-01 */ #include "ocat.h" // array of active peers static OcatPeer_t *peer_ = NULL; // mutex for locking array of peers static pthread_mutex_t peer_mutex_ = PTHREAD_MUTEX_INITIALIZER; /*! Return pointer to first peer. */ OcatPeer_t *get_first_peer(void) { return peer_; } /*! Return double pointer to first peer. */ OcatPeer_t **get_first_peer_ptr(void) { return &peer_; } /*! Lock complete peer list. */ int lock_peers(void) { return pthread_mutex_lock(&peer_mutex_); } /*! Unlock peer list. */ int unlock_peers(void) { return pthread_mutex_unlock(&peer_mutex_); } /*! Lock specific peer. Peer list MUST be locked before and * maybe unlock directly after lock_peer(). */ int lock_peer(OcatPeer_t *peer) { return pthread_mutex_lock(&peer->mutex); } /*! Unlock secific peer. Lock must NOT be reclaimed without * calling lock_peers() before! */ int unlock_peer(OcatPeer_t *peer) { return pthread_mutex_unlock(&peer->mutex); } /*! Search a specific peer by IPv6 address. * Peer list MUST be locked before. */ OcatPeer_t *search_peer(const struct in6_addr *addr) { OcatPeer_t *peer; for (peer = peer_; peer; peer = peer->next) //if (!memcmp(addr, &peer->addr, sizeof(struct in6_addr))) if (IN6_ARE_ADDR_EQUAL(addr, &peer->addr)) return peer; return NULL; } /*! Create a new empty peer and add it to the peer list. * Peer list MUST be locked befored. */ OcatPeer_t *get_empty_peer(void) { int rc; OcatPeer_t *peer; if (!(peer = calloc(1, sizeof(OcatPeer_t)))) { log_msg(LOG_ERR, "cannot get memory for new peer: \"%s\"", strerror(errno)); return NULL; } peer->tunhdr = (uint32_t*) peer->_fragbuf; peer->fragbuf = &peer->_fragbuf[CNF(fhd_key_len)]; if ((rc = pthread_mutex_init(&peer->mutex, NULL))) { log_msg(LOG_EMERG, "cannot init new peer mutex: \"%s\"", strerror(rc)); free(peer); return NULL; } peer->next = peer_; peer_ = peer; return peer; } /*! peer list MUST be locked with lock_peers() in advance! * @param peer pointer to peer that shall be deleted. */ void delete_peer(OcatPeer_t *peer) { int rc; OcatPeer_t **p; for (p = &peer_; *p; p = &(*p)->next) if (*p == peer) { log_debug("going to delete peer at %p", peer); // unlink peer from list lock_peer(peer); *p = peer->next; unlock_peer(peer); // effectively delete it if ((rc = pthread_mutex_destroy(&peer->mutex))) log_msg(LOG_EMERG, "cannot destroy mutex: \"%s\"", strerror(rc)); free(peer); return; } } onioncat-0.2.2.r559/src/ocatsetup.c100644 001750 001750 00000026113 12146450717 0012506/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatsetup_.c * This file contains the global settings structure. * * @author Bernhard Fischer * @version 2008/02/03-01 */ #include "ocat.h" #include "ocat_netdesc.h" #include "ocathosts.h" static struct sockaddr_in6 socks_dst6_; static struct sockaddr_in ctrl_listen_; static struct sockaddr_in6 ctrl_listen6_; static struct sockaddr *ctrl_listen_ptr_[] = { (struct sockaddr*) &ctrl_listen_, #ifndef __CYGWIN__ (struct sockaddr*) &ctrl_listen6_, #endif NULL}; static int ctrl_fd_[2] = {-1, -1}; struct OcatSetup setup_ = { // fhd_keys {0, 0}, // fhd_key_len sizeof(uint32_t), //TOR_SOCKS_PORT, //OCAT_LISTEN_PORT, 0, 0, //! default tunfd is stdin/stdout {0, 1}, //! default debug level LOG_DEBUG, OCAT_UNAME, {0}, {{{0}}}, 0, 0, 1, OCAT_DIR, TUN_DEV, {'\0'}, // tunname 0, //ADDR4_PREFIX, ADDR4_MASK {0}, 0, // config_file, config_read, config_failed NULL, 0, 0, #ifdef __CYGWIN__ 1, #else 0, // use_tap #endif {0x00, 0x00, 0x6c, 0x00, 0x00, 0x00}, // ocat_hwaddr (OnionCat MAC address) PID_FILE, // pid_file 0, // create_pid_file NULL, NULL, // logfile 0, // use_syslog #ifdef __CYGWIN__ 0, #else 1, // daemon #endif #ifdef CONNECT_ROOT_PEERS { /* {{{0xfd, 0x87, 0xd8, 0x7e, 0xeb, 0x43, 0xed, 0xb1, 0x08, 0xe4, 0x35, 0x88, 0xe5, 0x46, 0x35, 0xca}}}, // initial permanent peer "5wyqrzbvrdsumnok" (mail.root-servers.cat) */ {{{0xfd, 0x87, 0xd8, 0x7e, 0xeb, 0x43, 0xf6, 0x83, 0x64, 0xac, 0x73, 0xf9, 0x61, 0xac, 0x9a, 0x00}}} // initial permanent peer "62bwjldt7fq2zgqa" (dot.cat) }, #endif 0, "/dev/urandom", {(struct sockaddr_in*) &socks_dst6_}, // oc_listen NULL, // oc_listen_fd NULL, // oc_listen_cnt 0, //! rand_addr 0, {0}, sizeof(struct OcatSetup), //! sig_term, term_req 0, 0, PTHREAD_MUTEX_INITIALIZER, // ctrl_listen ctrl_listen_ptr_, // oc_listen_fd ctrl_fd_, // oc_listen_cnt #if defined(__CYGWIN__) 1 #else 2 #endif , // socksfd {-1, -1}, // net_type NTYPE_TOR, // max_ctrl, ctrl_active MAX_DEF_CTRL_SESS, 0, // pid_fd {-1, -1}, // sig_usr1, clear_stats 0, 0, // unidirectional 1, // hosts_lookup 1 }; #define IADDRSTRLEN 128 void init_setup(void) { struct timeval tv; const uint32_t loop_ = htonl(INADDR_LOOPBACK); // seeding PRNG rand() if (gettimeofday(&tv, NULL) == -1) log_msg(LOG_WARNING, "could gettimeofday(): \"%s\"", strerror(errno)); srand(tv.tv_sec ^ tv.tv_usec); //setup_.logf = stderr; setup_.uptime = time(NULL); memset(&socks_dst6_, 0, sizeof(socks_dst6_)); setup_.socks_dst->sin_family = AF_INET; //setup_.socks_dst->sin_addr.s_addr = htonl(INADDR_LOOPBACK); memcpy(&setup_.socks_dst->sin_addr, &loop_, sizeof(setup_.socks_dst->sin_addr)); #ifdef HAVE_SIN_LEN setup_.socks_dst->sin_len = SOCKADDR_SIZE(setup_.socks_dst); #endif memset(&ctrl_listen_, 0, sizeof(ctrl_listen_)); memset(&ctrl_listen6_, 0, sizeof(ctrl_listen6_)); hosts_init(".b32.i2p"); #ifdef __linux__ CNF(fhd_key[IPV6_KEY]) = htonl(ETHERTYPE_IPV6); CNF(fhd_key[IPV4_KEY]) = htonl(ETHERTYPE_IP); #else CNF(fhd_key[IPV6_KEY]) = htonl(AF_INET6); CNF(fhd_key[IPV4_KEY]) = htonl(AF_INET); #endif } void post_init_setup(void) { size_t l; const uint32_t loop_ = htonl(INADDR_LOOPBACK); setup_.ocat_addr4 = NDESC(prefix4); setup_.ocat_addr4_mask = NDESC(addr4_mask); setup_.ocat_dest_port = NDESC(vdest_port); setup_.ocat_ctrl_port = NDESC(ctrl_port); l = strlen(SYSCONFDIR) + strlen(NDESC(config_file)) + 2; if ((setup_.config_file = malloc(l)) != NULL) snprintf(setup_.config_file, l, "%s/%s", SYSCONFDIR, NDESC(config_file)); else log_msg(LOG_WARNING, "could not get memory for config file string: \"%s\"", strerror(errno)); if (!setup_.socks_dst->sin_port) setup_.socks_dst->sin_port = htons(NDESC(socks_port)); ctrl_listen_.sin_family = AF_INET; ctrl_listen_.sin_port = htons(setup_.ocat_ctrl_port); //ctrl_listen_.sin_addr.s_addr = htonl(INADDR_LOOPBACK); memcpy(&ctrl_listen_.sin_addr, &loop_, sizeof(ctrl_listen_.sin_addr)); #ifdef HAVE_SIN_LEN ctrl_listen_.sin_len = sizeof(ctrl_listen_); #endif ctrl_listen6_.sin6_family = AF_INET6; ctrl_listen6_.sin6_port = htons(setup_.ocat_ctrl_port); ctrl_listen6_.sin6_addr = in6addr_loopback; //IN6ADDR_LOOPBACK_INIT; #ifdef HAVE_SIN_LEN ctrl_listen6_.sin6_len = sizeof(ctrl_listen6_); #endif snprintf(setup_.version, VERSION_STRING_LEN, "%s (c) %s (%s mode)", PACKAGE_STRING, OCAT_AUTHOR, setup_.net_type == NTYPE_TOR ? "OnionCat" : setup_.net_type == NTYPE_I2P ? "GarliCat" : "unknown"); #ifdef DEBUG snprintf(&setup_.version[strlen(setup_.version)], VERSION_STRING_LEN - strlen(setup_.version), " -- compiled %s %s", __DATE__, __TIME__); #endif setup_.pid_file = NDESC(pid_file); setup_.oc_vdns = NDESC(prefix); setup_.oc_vdns.s6_addr[15] = 1; } #define SBUF 100 void print_setup_struct(FILE *f) { char *c, ip[SBUF], nm[SBUF], ip6[SBUF], logf[SBUF], hw[SBUF]; int i, t; struct sockaddr_str sas; inet_ntop(AF_INET, &setup_.ocat_addr4, ip, SBUF); inet_ntop(AF_INET, &setup_.ocat_addr4_mask, nm, SBUF); inet_ntop(AF_INET6, &setup_.ocat_addr, ip6, SBUF); ether_ntoa_r((struct ether_addr*) setup_.ocat_hwaddr, hw); if (setup_.logf == stderr) strlcpy(logf, "stderr", sizeof(logf)); else snprintf(logf, sizeof(logf), "%p", setup_.logf); t = time(NULL) - setup_.uptime; fprintf(f, "fhd_key[IPV4(%d)] = 0x%04x\n" "fhd_key[IPV6(%d)] = 0x%04x\n" "fhd_key_len = %d\n" //"tor_socks_port = %d\n" //"ocat_listen_port = %d\n" "ocat_dest_port = %d\n" "ocat_ctrl_port = %d\n" "tunfd[0] = %d\n" "tunfd[1] = %d\n" "debug_level = %d\n" "usrname = \"%s\"\n" "onion_url = \"%s\"\n" "ocat_addr = %s\n" "create_clog = %d\n" "runasroot = %d\n" "controller = %d\n" "ocat_dir = \"%s\"\n" "tun_dev = \"%s\"\n" "tunname = \"%s\"\n" "ipv4_enable = %d\n" "ocat_addr4 = %s\n" "ocat_addr4_mask = %s\n" "config_file = \"%s\"\n" "config_read = %d\n" "use_tap = %d\n" "ocat_hwaddr = %s\n" "pid_file = \"%s\"\n" "logfn = \"%s\"\n" "logf = %s\n" "daemon = %d\n" "uptime = %d days, %d:%02d\n" "version[%3d+1/%3d] = \"%s\"\n" "sizeof_setup = %d\n" "term_req = %d\n" "net_type = %d (%s)\n" "max_ctrl = %d\n" "ctrl_active = %d\n" "pid_fd[2] = {%d, %d}\n" "clear_stats = %d\n" "ctrl_listen_cnt = %d\n" "unidirectional = %d\n" "hosts_lookup = %d\n" , IPV4_KEY, ntohl(setup_.fhd_key[IPV4_KEY]), IPV6_KEY, ntohl(setup_.fhd_key[IPV6_KEY]), setup_.fhd_key_len, //setup_.tor_socks_port, //setup_.ocat_listen_port, setup_.ocat_dest_port, setup_.ocat_ctrl_port, setup_.tunfd[0], setup_.tunfd[1], setup_.debug_level, setup_.usrname, setup_.onion_url, ip6, setup_.create_clog, setup_.runasroot, setup_.controller, setup_.ocat_dir, setup_.tun_dev, setup_.tunname, setup_.ipv4_enable, ip, nm, setup_.config_file, setup_.config_read, setup_.use_tap, hw, setup_.pid_file, SSTR(setup_.logfn), logf, setup_.daemon, t / (3600 * 24), t / 3600 % 24, t / 60 % 60, (int) strlen(setup_.version), VERSION_STRING_LEN, setup_.version, setup_.sizeof_setup, setup_.term_req, setup_.net_type, setup_.net_type == NTYPE_TOR ? "NTYPE_TOR" : setup_.net_type == NTYPE_I2P ? "NTYPE_I2P" : "unknown", setup_.max_ctrl, setup_.ctrl_active, setup_.pid_fd[0], setup_.pid_fd[1], setup_.clear_stats, setup_.ctrl_listen_cnt, setup_.unidirectional, setup_.hosts_lookup ); #ifdef CONNECT_ROOT_PEERS for (i = 0; i < ROOT_PEERS; i++) if (inet_ntop(AF_INET6, &setup_.root_peer[i], ip6, SBUF)) fprintf(f, "root_peer[%d] = %s\n", i, ip6); #endif if (inet_ntops((struct sockaddr*) setup_.socks_dst, &sas)) { c = sas.sstr_family == AF_INET6 ? "6" : ""; fprintf(f, "socks_dst%s.sin_family = 0x%04x\n" "socks_dst%s.sin_port = %d\n" "socks_dst%s.sin_addr = %s\n", c, sas.sstr_family, c, ntohs(sas.sstr_port), c, sas.sstr_addr); } else log_msg(LOG_WARNING, "could not convert struct sockaddr: \"%s\"", strerror(errno)); for (i = 0; i < CNF(oc_listen_cnt); i++) { if (inet_ntops(CNF(oc_listen)[i], &sas)) fprintf(f, "oc_listen[%d] = %s:%d\n", i, sas.sstr_addr, ntohs(sas.sstr_port)); else log_msg(LOG_WARNING, "could not convert struct sockaddr: \"%s\"", strerror(errno)); fprintf(f, "oc_listen_fd[%d] = %d\n", i, CNF(oc_listen_fd)[i]); } for (i = 0; i < CNF(ctrl_listen_cnt); i++) { if (inet_ntops(ctrl_listen_ptr_[i], &sas)) fprintf(f, "ctrl_listen_ptr_[%d] = %s:%d (0x%04x)\n", i, sas.sstr_addr, ntohs(sas.sstr_port), sas.sstr_family); else log_msg(LOG_WARNING, "could not convert struct sockaddr: \"%s\"", strerror(errno)); } inet_ntop(AF_INET6, &setup_.oc_vdns, ip6, SBUF); fprintf(f, "oc_vdns = %s\n", ip6); } void lock_setup(void) { pthread_mutex_lock(&setup_.mutex); } void unlock_setup(void) { pthread_mutex_unlock(&setup_.mutex); } onioncat-0.2.2.r559/src/ocatipv4route.c100644 001750 001750 00000011517 12074464215 0013307/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatipv4route.c * This file contains functions for managing IPv4 routing and * forwarding. * * @author Bernhard R. Fischer * @version 2008/09/03-01 */ #include "ocat.h" #define NMBIT(i,n) ((i&n)&~(n<<1)) #define BRANCH(i,n) (NMBIT(i,n)!=0) static IPv4Route_t *rroot_ = NULL; static pthread_mutex_t route_mutex_ = PTHREAD_MUTEX_INITIALIZER; /*! Add an IPv4 route to IPv4 routing table. * @return 0 on success or < 0 on failure. */ int ipv4_add_route(IPv4Route_t *route, IPv4Route_t **root, uint32_t cur_nm) { if (!(*root)) { if (!(*root = calloc(1, sizeof(IPv4Route_t)))) { log_msg(LOG_EMERG, "ipv4_add_route: %s", strerror(errno)); return E_RT_NOMEM; } (*root)->dest = route->dest & cur_nm; (*root)->netmask = cur_nm; } if (route->netmask == cur_nm /*(*root)->netmask*/) { if (IN6_ARE_ADDR_EQUAL(&(*root)->gw, &in6addr_any)) { memcpy(&(*root)->gw, &route->gw, sizeof(struct in6_addr)); return 0; } if (IN6_ARE_ADDR_EQUAL(&(*root)->gw, &route->gw)) return 0; log_msg(LOG_ERR, "route already exists"); return E_RT_DUP; } // break recursion in case of error if (cur_nm == 0xffffffff) { log_msg(LOG_ERR, "netmask error in netmask of route: %08x", route->netmask); return E_RT_ILLNM; } //now branch to subs cur_nm >>= 1; cur_nm |= 0x80000000; return ipv4_add_route(route, &(*root)->next[BRANCH(route->dest, cur_nm)], cur_nm); } IPv4Route_t *ipv4_lookup_route__(uint32_t ip, IPv4Route_t *route, uint32_t cur_nm) { if (!route) { log_debug("NULL route"); return NULL; } cur_nm >>= 1; cur_nm |= 0x80000000; if (route->next[BRANCH(ip, cur_nm)]) return ipv4_lookup_route__(ip, route->next[BRANCH(ip, cur_nm)], cur_nm); //if (memcmp(&route->gw, &in6addr_any, sizeof(struct in6_addr))) if (!IN6_ARE_ADDR_EQUAL(&route->gw, &in6addr_any)) return route; return NULL; } /*! Lookup a route to an ip address in routing table. * @param Ip to find a route for. The Ip must be given in host byte order. * @return Pointer to IPv6 TOR address. */ struct in6_addr *ipv4_lookup_route(uint32_t ip) { IPv4Route_t *r; pthread_mutex_lock(&route_mutex_); r = ipv4_lookup_route__(ip, rroot_, 0); pthread_mutex_unlock(&route_mutex_); return r ? &r->gw : NULL; } void ipv4_traverse(IPv4Route_t *route, void (func)(IPv4Route_t*, void*), void *p) { if (!route) return; func(route, p); ipv4_traverse(route->next[0], func, p); ipv4_traverse(route->next[1], func, p); } void ipv4_print(IPv4Route_t *route, void *f) { char addr[INET6_ADDRSTRLEN]; struct in_addr iaddr; //if (!memcmp(&route->gw, &in6addr_any, sizeof(struct in6_addr))) if (IN6_ARE_ADDR_EQUAL(&route->gw, &in6addr_any)) return; iaddr.s_addr = htonl(route->dest); fprintf(f, "IN %s ", inet_ntoa(iaddr)); iaddr.s_addr = htonl(route->netmask); fprintf(f, "%s ", inet_ntoa(iaddr)); inet_ntop(AF_INET6, &route->gw, addr, INET6_ADDRSTRLEN); fprintf(f, "%s %p\n", addr, route); } void print_routes(FILE *f) { ipv4_traverse(rroot_, ipv4_print, f); } int parse_route(const char *rs) { char buf[strlen(rs) + 1], *s, *b; IPv4Route_t route; int r; if (!rs) return E_RT_NULLPTR; log_debug("IPv4 route parser: \"%s\"", rs); strlcpy(buf, rs, strlen(rs) + 1); if (!(s = strtok_r(buf, " \t", &b))) return E_RT_SYNTAX; if (inet_pton(AF_INET, s, &route.dest) != 1) return E_RT_SYNTAX; if (!(s = strtok_r(NULL, " \t", &b))) return E_RT_SYNTAX; if (inet_pton(AF_INET, s, &route.netmask) != 1) return E_RT_SYNTAX; if (!(s = strtok_r(NULL, " \t", &b))) return E_RT_SYNTAX; if (inet_pton(AF_INET6, s, &route.gw) != 1) return E_RT_SYNTAX; if (!has_tor_prefix(&route.gw)) return E_RT_NOTORGW; if (IN6_ARE_ADDR_EQUAL(&route.gw, &CNF(ocat_addr))) return E_RT_GWSELF; route.netmask = ntohl(route.netmask); route.dest = ntohl(route.dest); pthread_mutex_lock(&route_mutex_); r = ipv4_add_route(&route, &rroot_, 0); pthread_mutex_unlock(&route_mutex_); return r; } onioncat-0.2.2.r559/src/ocateth.c100644 001750 001750 00000035377 12074464226 0012142/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocateth.c * Contains Ethernet (for TAP) and ICMPv6 (for NDP) code. * * @author Bernhard Fischer * @version 2008/10/10 */ #include "ocat.h" static MACTable_t mac_tbl_[MAX_MAC_ENTRY]; static int mac_cnt_ = 0; static pthread_mutex_t mac_mutex_ = PTHREAD_MUTEX_INITIALIZER; /*! Pseudo header for IPv6 checksum calculation. * RFC2460 8.1, (RFC1885 2.3) RFC2463, RFC1071. */ /* RFC2461, rfc2462, RFC2464 ipv6 ethernet enc. * RFC2373 is obsoleted by RFC3513 addressing ipv6 * RFC2461 is obsoleted by RFC4861 * RFC4862 IPv6 Stateless Address Autoconfiguration * RFC4443 ICMP6 (updates 2780, obsoletes 2463) (20101230) */ /* IPv6 Ethernet Multicast: (MAC) 33:33:xx:xx:xx:xx, xx -> 4 lowest order bytes of IPv6 destination * Solicited-Node address: (IPv6) FF02:0:0:0:0:1:ffxx:xxxx, -> xx -> 3 lowest order bytes of IPv6 destination (RFC4291) * IPv4 Ethernet Multicast: 01:00:5e:0xx:xx:xx, */ void print_mac_tbl(FILE *f) { int i; char buf[INET6_ADDRSTRLEN]; //fprintf(f, " # age MAC C address\n"); pthread_mutex_lock(&mac_mutex_); for (i = 0; i < mac_cnt_; i++) { fprintf(f, "%3d %3d %s ", i, (int) (time(NULL) - mac_tbl_[i].age), ether_ntoa_r((struct ether_addr*) mac_tbl_[i].hwaddr, buf)); fprintf(f, "%s ", mac_tbl_[i].family == AF_INET6 ? "IN6" : "IN "); inet_ntop(mac_tbl_[i].family, &mac_tbl_[i].in6addr, buf, INET6_ADDRSTRLEN); fprintf(f, "%s\n", buf); } pthread_mutex_unlock(&mac_mutex_); } /*! Scan MAC table for outages (age > MAX_MAC_AGE) and remove entries. */ void mac_cleanup(void) { int i; #ifdef DEBUG char hw[20]; #endif pthread_mutex_lock(&mac_mutex_); for (i = 0; i < mac_cnt_; i++) if (mac_tbl_[i].age + MAX_MAC_AGE < time(NULL)) { log_debug("mac table entry %d (%s) timed out", i, ether_ntoa_r((struct ether_addr*) mac_tbl_[i].hwaddr, hw)); memmove(&mac_tbl_[i], &mac_tbl_[i + 1], sizeof(MACTable_t) * (MAX_MAC_ENTRY - i)); mac_cnt_--; i--; } pthread_mutex_unlock(&mac_mutex_); } /*! Lookup an entry in the MAC-table by IP, update age. * If hwaddr != NULL and MAC eq 00:00:00:00:00:00 then copy MAC entry * from MAC table to hwaddr, otherwise copy hwaddr to MAC table. * @return -1 if no entry available, otherwise index of entry in table starting with 0. */ int mac_set(const struct in6_addr *in6, uint8_t *hwaddr) { int i; pthread_mutex_lock(&mac_mutex_); for (i = mac_cnt_ - 1; i >= 0; i--) if (IN6_ARE_ADDR_EQUAL(in6, &mac_tbl_[i].in6addr)) { if (hwaddr) { if (!hwaddr[0] && !hwaddr[1] && !hwaddr[2] && !hwaddr[3] && !hwaddr[4] && !hwaddr[5]) memcpy(hwaddr, &mac_tbl_[i].hwaddr, ETHER_ADDR_LEN); else memcpy(&mac_tbl_[i].hwaddr, hwaddr, ETHER_ADDR_LEN); } mac_tbl_[i].age = time(NULL); break; } pthread_mutex_unlock(&mac_mutex_); return i; } /*! Add MAC/IPv6-pair to MAC table. * @param hwaddr MAC address. * @param in6 IPv6 address. * @return Index of entry (starting with 0) or -1 if MAC table is full (MAX_MAC_ENTRY) */ int mac_add_entry(const uint8_t *hwaddr, const struct in6_addr *in6) { int e = -1; pthread_mutex_lock(&mac_mutex_); if (mac_cnt_ < MAX_MAC_ENTRY) { log_debug("adding entry to MAC table %d", mac_cnt_); memcpy(&mac_tbl_[mac_cnt_].hwaddr, hwaddr, ETHER_ADDR_LEN); memcpy(&mac_tbl_[mac_cnt_].in6addr, in6, sizeof(struct in6_addr)); mac_tbl_[mac_cnt_].age = time(NULL); mac_tbl_[mac_cnt_].family = AF_INET6; e = mac_cnt_++; } pthread_mutex_unlock(&mac_mutex_); return e; } /*! Lookup entry by MAC address in MAC-table. It returns the first * occurence and updates the age. * @param hwaddr MAC address to search for. * @param in6 If not NULL, this buffer is filled with the IPv6 address. * @return Index of entry or -1 if no entry exists. */ int mac_get_ip(const uint8_t *hwaddr, struct in6_addr *in6) { int i; pthread_mutex_lock(&mac_mutex_); for (i = mac_cnt_ - 1; i >= 0; i--) if (!memcmp(hwaddr, &mac_tbl_[i].hwaddr, ETHER_ADDR_LEN)) { if (in6) memcpy(in6, &mac_tbl_[i].in6addr, sizeof(struct in6_addr)); mac_tbl_[i].age = time(NULL); break; } pthread_mutex_unlock(&mac_mutex_); return i; } /*! Calculate 16 bit one's complement checksum (RFC1071) suitable for ICMPv6. * @param buf Pointer to buffer. * @param len Number of bytes in buffer. * @return Checksum of buffer. */ uint16_t checksum(const uint16_t *buf, int len) { uint32_t sum = 0; // sum up all 16 bit words // (Note that it's endiness independent) for (; len > 1 ; len -= 2, buf++) sum += *buf; // add last byte if buffer has odd length if (len) sum += *((uint8_t*) buf); // add carries while (sum >> 16) sum = (sum & 0xffff) + (sum >> 16); // return complement return ~sum; } /*! Free checksum buffer. */ void free_ckbuf(uint16_t *buf) { free(buf); } /*! Malloc and fill buffer suitable for ICMPv6 checksum calculation. */ uint16_t *malloc_ckbuf(const struct in6_addr *src, const struct in6_addr *dst, uint16_t plen, uint8_t proto, const void *payload) { struct ip6_psh *psh; if (!(psh = calloc(1, sizeof(struct ip6_psh) + plen))) { log_msg(LOG_EMERG, "error creating checksum buffer: %s", strerror(errno)); //return NULL; exit(1); } psh->src = *src; psh->dst = *dst; psh->len = htons(plen); psh->nxt = proto; memcpy(psh + 1, payload, plen); return (uint16_t*) psh; } /*! Send NDP solicitation for dst to appropriate IPv6 multicast address. * @param src Source address. * @param dst Solicited target address. * @return Returns always 0. */ int ndp_solicit(const struct in6_addr *src, const struct in6_addr *dst) { char buf[sizeof(ndp6_t) + sizeof(struct nd_opt_hdr) + 4 + ETHER_ADDR_LEN]; ndp6_t *ndp6 = (ndp6_t*) (buf + 4); struct nd_opt_hdr *ohd = (struct nd_opt_hdr*) (ndp6 + 1); uint16_t *ckb; struct in6_addr mcastd = {{{0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0xff, 0, 0, 0}}}; // clear buffer and setup ipv6 multicast destination memset(buf, 0, sizeof(buf)); memcpy(((char*) &mcastd) + 13, ((char*) dst) + 13, 3); // tunnel header set_tunheader(buf, htonl(CNF(fhd_key[IPV6_KEY]))); // ethernet header ndp6->eth.ether_dst[0] = 0x33; ndp6->eth.ether_dst[1] = 0x33; memcpy(&ndp6->eth.ether_dst[2], ((char*) &mcastd) + 12, 4); memcpy(ndp6->eth.ether_src, CNF(ocat_hwaddr), ETHER_ADDR_LEN); ndp6->eth.ether_type = htons(ETHERTYPE_IPV6); // ipv6 header ndp6->ip6.ip6_vfc = 0x60; ndp6->ip6.ip6_plen = htons(sizeof(struct nd_neighbor_advert) + sizeof(struct nd_opt_hdr) + ETHER_ADDR_LEN); ndp6->ip6.ip6_nxt = IPPROTO_ICMPV6; ndp6->ip6.ip6_hlim = 255; memcpy(&ndp6->ip6.ip6_src, src, sizeof(struct in6_addr)); memcpy(&ndp6->ip6.ip6_dst, &mcastd, sizeof(struct in6_addr)); // icmpv6 header (partially) ndp6->icmp6.icmp6_type = ND_NEIGHBOR_SOLICIT; // ndp solicit header memcpy(&ndp6->ndp_sol.nd_ns_target, dst, sizeof(struct in6_addr)); // icmpv6 ndp option ohd->nd_opt_type = ND_OPT_SOURCE_LINKADDR; ohd->nd_opt_len = 1; memcpy(ohd + 1, ndp6->eth.ether_src, ETHER_ADDR_LEN); // calculate checksum ckb = malloc_ckbuf(&ndp6->ip6.ip6_src, &ndp6->ip6.ip6_dst, ntohs(ndp6->ip6.ip6_plen), IPPROTO_ICMPV6, &ndp6->icmp6); ndp6->icmp6.icmp6_cksum = checksum(ckb, ntohs(ndp6->ip6.ip6_plen) + sizeof(struct ip6_psh)); free_ckbuf(ckb); #ifdef __CYGWIN__ log_debug("writing %d bytes ndp solicitation to TAP driver", sizeof(buf) - 4); // FIXME: there's no error checking win_write_tun(buf + 4, sizeof(buf) - 4); #else log_debug("writing %d bytes ndp solicitation to tunfd %d", sizeof(buf), CNF(tunfd[1])); if (write(CNF(tunfd[1]), buf, sizeof(buf)) < sizeof(buf)) log_msg(LOG_ERR, "short write to tun fd %d", CNF(tunfd[1])); #endif return 0; } /*! Check neighbor solicitation and generate advertisement. * @param buf pointer to frame buffer. * @param rlen buffer length, must be at least sizeof(ICMPv6 header) + 4. * @return 0 if everything gone write, -1 on failure. */ int ndp_soladv(char *buf, int rlen) { ndp6_t *ndp6 = (ndp6_t*) (buf + 4); struct nd_opt_hdr *ohd = (struct nd_opt_hdr*) (ndp6 + 1); uint16_t *ckb, cksum; #ifdef DEBUG char hw[20]; #endif if (ndp6->eth.ether_dst[0] & 1) { // check for right multicast destination on ethernet if (ndp6->eth.ether_dst[2] != 0xff) { log_debug("ethernet multicast destination %s cannot be solicited node address", ether_ntoa_r((struct ether_addr*) ndp6->eth.ether_dst, hw)); return -1; } // check for right multicast destination in IPv6 if (!IN6_IS_ADDR_MULTICAST(&ndp6->ip6.ip6_dst) || !IN6_IS_ADDR_MC_LINKLOCAL(&ndp6->ip6.ip6_dst)) { log_debug("IPv6 multicast destination not solicited node address"); return -1; } } ckb = malloc_ckbuf(&ndp6->ip6.ip6_src, &ndp6->ip6.ip6_dst, ntohs(ndp6->ip6.ip6_plen), IPPROTO_ICMPV6, &ndp6->icmp6); cksum = checksum(ckb, ntohs(ndp6->ip6.ip6_plen) + sizeof(struct ip6_psh)); free_ckbuf(ckb); if (cksum) { log_msg(LOG_ERR, "icmpv6 checksum wrong"); return -1; } // check for duplicate address detection if (IN6_IS_ADDR_UNSPECIFIED(&ndp6->ip6.ip6_src)) { log_debug("duplicate address detection in progress"); //FIXME: we should check something more here. See RFC2462 return -1; } if (!has_tor_prefix(&ndp6->ndp_sol.nd_ns_target)) //if (!IN6_HAS_TOR_PREFIX(&ndp6->ndp_sol.nd_ns_target)) { log_debug("solicit target is not TOR IPv6"); return -1; } log_debug("generating response"); // add source MAC to table if (mac_set(&ndp6->ip6.ip6_src, ndp6->eth.ether_src) == -1) if (mac_add_entry(ndp6->eth.ether_src, &ndp6->ip6.ip6_src) == -1) { log_msg(LOG_ERR, "MAC table full"); return -1; } // set MAC addresses for response memcpy(ndp6->eth.ether_dst, ndp6->eth.ether_src, ETHER_ADDR_LEN); memcpy(ndp6->eth.ether_src, CNF(ocat_hwaddr), ETHER_ADDR_LEN); // init ip6 header memcpy(&ndp6->ip6.ip6_dst, &ndp6->ip6.ip6_src, sizeof(struct in6_addr)); memcpy(&ndp6->ip6.ip6_src, &ndp6->ndp_sol.nd_ns_target, sizeof(struct in6_addr)); // init nda icmp6 header ndp6->ndp_adv.nd_na_hdr.icmp6_type = ND_NEIGHBOR_ADVERT; ndp6->ndp_adv.nd_na_hdr.icmp6_code = 0; ndp6->ndp_adv.nd_na_hdr.icmp6_cksum = 0; ndp6->ndp_adv.nd_na_flags_reserved = ND_NA_FLAG_SOLICITED; //FIXME: setting target option does not check total frame length! ohd->nd_opt_type = ND_OPT_TARGET_LINKADDR; memcpy(ohd + 1, CNF(ocat_hwaddr), ETHER_ADDR_LEN); ckb = malloc_ckbuf(&ndp6->ip6.ip6_src, &ndp6->ip6.ip6_dst, ntohs(ndp6->ip6.ip6_plen), IPPROTO_ICMPV6, &ndp6->icmp6); ndp6->ndp_adv.nd_na_hdr.icmp6_cksum = checksum(ckb, ntohs(ndp6->ip6.ip6_plen) + sizeof(struct ip6_psh)); free_ckbuf(ckb); #ifdef __CYGWIN__ log_debug("writing %d bytes to TAP driver", rlen); // FIXME: there's no error checking win_write_tun(buf + 4, rlen - 4); #else log_debug("writing %d bytes to tunfd %d", rlen, CNF(tunfd[1])); if (write(CNF(tunfd[1]), buf, rlen) < rlen) log_msg(LOG_ERR, "short write"); #endif return 0; } /*! Extract source ipv6 and MAC address and add/update MAC table. * FIXME: there should be some additional checks! */ int ndp_recadv(char *buf, int len) { ndp6_t *ndp6 = (ndp6_t*) (buf + 4); // add source MAC to table if (mac_set(&ndp6->ip6.ip6_src, ndp6->eth.ether_src) == -1) if (mac_add_entry(ndp6->eth.ether_src, &ndp6->ip6.ip6_src) == -1) { log_msg(LOG_ERR, "MAC table full"); return -1; } return 0; } int eth_ndp(char *buf, int len, int ndp_type) { switch (ndp_type) { case ND_NEIGHBOR_SOLICIT: log_debug("ND_NEIGHBOR_SOLICIT received"); (void) ndp_soladv(buf, len); return 0; case ND_NEIGHBOR_ADVERT: log_debug("ND_NEIGHBOR_ADVERT received"); (void) ndp_recadv(buf, len); return 0; } return -1; } /*! Check if destination MAC is designated for OnionCat and * L4-Protocol is ICMPv6. * @return 0 if packet does not match criteria, -1 else. */ int eth_check(char *buf, int len) { ndp6_t *ndp6= (ndp6_t*) (buf + 4); // check minimum frame length if (len < sizeof(struct ether_header) + 4) { log_msg(LOG_ERR, "frame too short, len = %d < 4 + %d", len, sizeof(struct ether_header)); return E_ETH_TRUNC; } // check ethernet destination if ((ndp6->eth.ether_dst[0] != 0x33) && (ndp6->eth.ether_dst[1] != 0x33) && memcmp(ndp6->eth.ether_dst, CNF(ocat_hwaddr), ETHER_ADDR_LEN)) { log_debug("unknown destination MAC"); return E_ETH_ILLDEST; } // check L3 protocol if (ndp6->eth.ether_type != htons(ETHERTYPE_IPV6)) { log_msg(LOG_ERR, "L3 protocol not implemented 0x%04x", ntohs(ndp6->eth.ether_type)); return E_ETH_ILLPROTO; } // check for ndp if ((len >= sizeof(ndp6_t) + 4) && (ndp6->ip6.ip6_nxt == IPPROTO_ICMPV6)) { log_debug("ICMPv6 frame intercepted, icmp6_type = %d", ndp6->icmp6.icmp6_type); if (eth_ndp(buf, len, ndp6->icmp6.icmp6_type) != -1) return E_ETH_INTERCEPT; } // else forward as usual return 0; } #ifndef HAVE_ETHER_NTOA #define ETHER_ADDR_BUF_SIZE 18 static char ether_addr_buf_[ETHER_ADDR_BUF_SIZE]; char *ether_ntoa(const struct ether_addr *addr) { snprintf(ether_addr_buf_, ETHER_ADDR_BUF_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x", addr->ether_addr_octet[0], addr->ether_addr_octet[1], addr->ether_addr_octet[2], addr->ether_addr_octet[3], addr->ether_addr_octet[4], addr->ether_addr_octet[5]); return ether_addr_buf_; } #endif #ifndef HAVE_ETHER_NTOA_R static pthread_mutex_t ether_ntoa_mutex_ = PTHREAD_MUTEX_INITIALIZER; char *ether_ntoa_r(const struct ether_addr *addr, char *buf) { if (!buf) return NULL; pthread_mutex_lock(ðer_ntoa_mutex_); strlcpy(buf, ether_ntoa((struct ether_addr*) addr), 18); pthread_mutex_unlock(ðer_ntoa_mutex_); return buf; } #endif onioncat-0.2.2.r559/src/ocatsocks.c100644 001750 001750 00000040443 12154705227 0012470/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatsocks.c * Contains functions for connecting to TOR via SOCKS. * * @author Bernhard Fischer * @version 2008/02/03-01 */ /* SOCKS5 is defined in RFC1928 */ #include "ocat.h" #include "ocat_netdesc.h" #include "ocathosts.h" // SOCKS connector queue vars static SocksQueue_t *socks_queue_ = NULL; #define SOCKS_MIN_BUFLEN (sizeof(SocksHdr_t) + NDESC(name_size) + strlen(CNF(usrname)) + 2) #define SOCKS_BUFLEN (SOCKS_MIN_BUFLEN < INET6_ADDRSTRLEN ? INET6_ADDRSTRLEN : SOCKS_MIN_BUFLEN) int socks_send_request(const SocksQueue_t *sq) { int len, ret = -1; char buf[SOCKS_BUFLEN], onion[NI_MAXHOST]; SocksHdr_t *shdr = (SocksHdr_t*) buf; // Do a hostname lookup if network type is I2P. // This is done in order to be able to retrieve a 256 bit base32 // host from e.g. /etc/hosts. if ((CNF(net_type) == NTYPE_I2P) && CNF(hosts_lookup)) { hosts_check(); ret = hosts_get_name(&sq->addr, onion, sizeof(onion)); } // If no hostname was found above or network type is Tor // do usual OnionCat name transformation. if (ret == -1) { ipv6tonion(&sq->addr, onion); strlcat(onion, NDESC(domain), sizeof(onion)); } log_debug("SOCKS_BUFLEN = %d, NI_MAXHOST = %d", SOCKS_BUFLEN, NI_MAXHOST); if (inet_ntop(AF_INET6, &sq->addr, buf, sizeof(buf)) == NULL) { log_msg(LOG_WARNING, "inet_ntop failed: \"%s\"", strerror(errno)); buf[0] = '\0'; } log_msg(LOG_INFO, "trying to connect to \"%s\" [%s] on %d", onion, buf, sq->fd); log_debug("doing SOCKS4a handshake"); shdr->ver = 4; shdr->cmd = 1; shdr->port = htons(CNF(ocat_dest_port)); shdr->addr.s_addr = htonl(0x00000001); memcpy(buf + sizeof(SocksHdr_t), CNF(usrname), strlen(CNF(usrname)) + 1); memcpy(buf + sizeof(SocksHdr_t) + strlen(CNF(usrname)) + 1, onion, strlen(onion) + 1); len = sizeof(SocksHdr_t) + strlen(CNF(usrname)) + strlen(onion) + 2; if ((ret = write(sq->fd, shdr, len)) == -1) { log_msg(LOG_ERR, "error writing %d bytes to fd %d: \"%s\"", len, sq->fd, strerror(errno)); return -1; } if (ret < len) { log_msg(LOG_ERR, "SOCKS request truncated to %d of %d bytes", ret, len); return -1; } log_debug("SOCKS request sent successfully"); return 0; } int socks_rec_response(SocksQueue_t *sq) { SocksHdr_t shdr; int ret, len; len = sizeof(SocksHdr_t); if ((ret = read(sq->fd, &shdr, len)) == -1) { log_msg(LOG_ERR, "reading SOCKS response on fd %d failed: \"%s\"", sq->fd, strerror(errno)); return -1; } if (ret < len) { log_msg(LOG_ERR, "SOCKS response truncated to %d of %d bytes", ret, len); return -1; } log_debug("SOCKS response received"); if (shdr.ver || (shdr.cmd != 90)) { log_msg(LOG_ERR, "SOCKS request failed, reason = %d", shdr.cmd); return -1; } log_msg(LOG_INFO | LOG_FCONN, "SOCKS connection successfully opened on fd %d", sq->fd); return 0; } int socks_activate_peer(SocksQueue_t *sq) { OcatPeer_t *peer; insert_peer(sq->fd, sq, time(NULL) - sq->connect_time); // Send first keepalive immediately lock_peers(); if ((peer = search_peer(&sq->addr))) lock_peer(peer); else log_msg(LOG_EMERG, "newly inserted peer not found, fd = %d", sq->fd); unlock_peers(); if (peer) { send_keepalive(peer); unlock_peer(peer); } return 0; } void socks_pipe_request(const SocksQueue_t *sq) { fd_set wset; int maxfd; int len = sizeof(*sq), ret; FD_ZERO(&wset); FD_SET(CNF(socksfd[1]), &wset); maxfd = CNF(socksfd[1]); log_debug("selecting until socks request pipe gets ready"); log_debug("selecting (maxfd = %d)", maxfd); if ((maxfd = select(maxfd + 1, NULL, &wset, NULL, NULL)) == -1) { log_msg(LOG_EMERG, "select encountered error: \"%s\", restarting", strerror(errno)); return; } log_debug("select returned %d", maxfd); if (maxfd && FD_ISSET(CNF(socksfd[1]), &wset)) { log_debug("writing %d bytes to fd %d", len, CNF(socksfd[1])); if ((ret = write(CNF(socksfd[1]), sq, len)) == -1) { log_msg(LOG_WARNING, "error writing to SOCKS request pipe fd %d: \"%s\"", CNF(socksfd[1]), strerror(errno)); } else if (ret < len) { log_msg(LOG_WARNING, "write to SOCKS request pipe fd %d truncated to %d bytes of %d", CNF(socksfd[1]), ret, len); } else { log_debug("wrote %d bytes to SOCKS request pipe fd %d", len, CNF(socksfd[1])); } } else log_msg(LOG_WARNING, "fd %d not in write set", CNF(socksfd[1])); } void sig_socks_connector(void) { SocksQueue_t sq; memset(&sq, 0, sizeof(sq)); socks_pipe_request(&sq); } /*! Add and link a SOCKS request to the SOCKS queue. * @param sq Request structure to add. */ void socks_enqueue(const SocksQueue_t *sq) { SocksQueue_t *squeue; log_debug("queueing new SOCKS connection request"); if (!(squeue = malloc(sizeof(SocksQueue_t)))) log_msg(LOG_EMERG, "could not get memory for SocksQueue entry: \"%s\"", strerror(errno)), exit(1); memcpy(squeue, sq, sizeof(*squeue)); squeue->next = socks_queue_; socks_queue_ = squeue; } /*! Send a SOCKS request to the request pipe in order to get * added to the SOCKS queue with socks_enqueue() * @param addr IPv6 address to be requested * @param perm 1 if connection should kept opened inifitely after successful request, 0 else. */ void socks_queue(struct in6_addr addr, int perm) { SocksQueue_t *squeue, sq; // dont queue if SOCKS is disabled (-t none) if (!CNF(socks_dst)->sin_family) return; for (squeue = socks_queue_; squeue; squeue = squeue->next) if (IN6_ARE_ADDR_EQUAL(&squeue->addr, &addr)) break; if (!squeue) { log_debug("queueing new SOCKS connection request"); memset(&sq, 0, sizeof(sq)); IN6_ADDR_COPY(&sq.addr, &addr); sq.perm = perm; log_debug("signalling connector"); socks_pipe_request(&sq); } else log_debug("connection already exists, not queueing SOCKS connection"); } /*! Remove SocksQueue_t element from SOCKS queue. * @param sq Pointer to element to remove. */ void socks_unqueue(SocksQueue_t *squeue) { SocksQueue_t **sq; for (sq = &socks_queue_; *sq; sq = &(*sq)->next) if (*sq == squeue) { *sq = (*sq)->next; log_debug("freeing SOCKS queue element at %p", squeue); free(squeue); break; } } void print_socks_queue(FILE *f) { SocksQueue_t sq; memset(&sq, 0, sizeof(sq)); sq.next = (SocksQueue_t*) f; socks_pipe_request(&sq); } void socks_output_queue(FILE *f) { int i; char addrstr[INET6_ADDRSTRLEN], onstr[NDESC(name_size)], buf[SIZE_1K]; SocksQueue_t *squeue; for (squeue = socks_queue_, i = 0; squeue; squeue = squeue->next, i++) { if (!inet_ntop(AF_INET6, &squeue->addr, addrstr, INET6_ADDRSTRLEN)) { log_msg(LOG_ERR, "inet_ntop returned NULL pointer: \"%s\"", strerror(errno)); strlcpy(addrstr, "ERROR", INET6_ADDRSTRLEN); } snprintf(buf, SIZE_1K, "%d: %39s, %s%s, state = %d, %s(%d), retry = %d, connect_time = %d, restart_time = %d", i, addrstr, ipv6tonion(&squeue->addr, onstr), NDESC(domain), squeue->state, squeue->perm ? "PERMANENT" : "TEMPORARY", squeue->perm, squeue->retry, (int) squeue->connect_time, (int) squeue->restart_time ); // log_debug("%s", buf); write((int) (long) f, buf, strlen(buf)); write((int) (long) f, "\n", 1); } write((int) (long) f, "\0", 1); log_debug("socks_output_queue() finished"); } #if 0 int socks5_connect(const SocksQueue_t *sq) { char buf[256 + sizeof(uint16_t) + sizeof(Socks5Hdr_t)]; char dest[ONION_URL_LEN + 1]; Socks5Hdr_t *shdr = (Socks5Hdr_t*) buf; int fd; log_msg(LOG_INFO, "trying to connect to \"%s\" [%s]", dest, inet_ntop(AF_INET6, &sq->addr, buf, 256)); if ((fd = socks_srv_con()) < 0) return fd; memset(buf, 0, sizeof(buf)); shdr->ver = '\x05'; // Version 5 shdr->cmd = '\x01'; // CONNECT shdr->atyp = '\x03'; // DOMAINNAME ipv6tonion(&sq->addr, dest); shdr->addr = strlen(dest); memcpy(&buf[sizeof(Socks5Hdr_t)], dest, strlen(dest)); *((uint16_t*) &buf[sizeof(Socks5Hdr_t) + strlen(dest)]) = htons(CNF(ocat_dest_port)); return fd; } #endif int socks_tcp_connect(int fd, struct sockaddr *addr, int len) { char astr[INET6_ADDRSTRLEN]; if (connect(fd, addr, len) == -1) { if (errno != EINPROGRESS) { log_msg(LOG_ERR, "connect() to SOCKS port %s:%d failed: \"%s\". Sleeping for %d seconds.", inet_ntop(CNF(socks_dst)->sin_family, CNF(socks_dst)->sin_family == AF_INET ? (char*) &CNF(socks_dst)->sin_addr : (char*) &CNF(socks_dst6)->sin6_addr, astr, sizeof(astr)), ntohs(CNF(socks_dst)->sin_port), strerror(errno), TOR_SOCKS_CONN_TIMEOUT); return -1; } log_debug("connection in progress"); } else log_debug("connected"); return 0; } void socks_reschedule(SocksQueue_t *squeue) { log_msg(LOG_ERR, "rescheduling SOCKS request"); if (squeue->fd > 0) { oe_close(squeue->fd); squeue->fd = 0; } squeue->restart_time = time(NULL) + TOR_SOCKS_CONN_TIMEOUT; squeue->state = SOCKS_NEW; } void *socks_connector_sel(void *p) { fd_set rset, wset; int maxfd = 0, len, so_err; SocksQueue_t *squeue, sq; time_t t; struct timeval tv; socklen_t err_len; for (;;) { if (term_req()) return NULL; FD_ZERO(&rset); FD_ZERO(&wset); MFD_SET(CNF(socksfd[0]), &rset, maxfd); t = time(NULL); for (squeue = socks_queue_; squeue; squeue = squeue->next) { switch (squeue->state) { case SOCKS_NEW: /*if (!squeue->fd) { log_msg(LOG_CRIT, "SOCKS_NEW and fd = %d, but should be 0", squeue->fd); squeue->state = SOCKS_DELETE; continue; }*/ if (t < squeue->restart_time) { log_debug("SOCKS request is scheduled for connection not before %ds", squeue->restart_time - t); continue; } // check and increase retry counter squeue->retry++; if (!squeue->perm && (squeue->retry > SOCKS_MAX_RETRY)) { log_msg(LOG_NOTICE, "temporary request failed %d times and will be removed", squeue->retry - 1); squeue->state = SOCKS_DELETE; continue; } log_debug("creating socket for unconnected SOCKS request"); if ((squeue->fd = socket(CNF(socks_dst)->sin_family == AF_INET ? PF_INET : PF_INET6, SOCK_STREAM, 0)) == -1) { log_msg(LOG_ERR, "cannot create socket for new SOCKS request: \"%s\"", strerror(errno)); continue; } set_nonblock(squeue->fd); log_debug("queueing fd %d for connect", squeue->fd); squeue->connect_time = t; if (socks_tcp_connect(squeue->fd, (struct sockaddr*) CNF(socks_dst), SOCKADDR_SIZE(CNF(socks_dst))) == -1) { socks_reschedule(squeue); continue; } squeue->state = SOCKS_CONNECTING; MFD_SET(squeue->fd, &wset, maxfd); break; case SOCKS_4AREQ_SENT: MFD_SET(squeue->fd, &rset, maxfd); break; } } // select all file descriptors set_select_timeout(&tv); log_debug("selecting (maxfd = %d)", maxfd); if ((maxfd = select(maxfd + 1, &rset, &wset, NULL, &tv)) == -1) { log_msg(LOG_EMERG, "select encountered error: \"%s\", restarting", strerror(errno)); continue; } log_debug("select returned %d", maxfd); // check socks request pipe if (FD_ISSET(CNF(socksfd[0]), &rset)) { maxfd--; if ((len = read(CNF(socksfd[0]), &sq, sizeof(sq))) == -1) log_msg(LOG_ERR, "failed to read from SOCKS request pipe, fd = %d: \"%s\"", CNF(socksfd[0]), strerror(errno)); if (len < sizeof(sq)) log_msg(LOG_ERR, "read from SOCKS request pipe truncated to %d of %d bytes, ignoring.", len, sizeof(sq)); else { log_debug("received %d bytes on SOCKS request pipe fd %d", len, CNF(socksfd[0])); if (sq.next) { log_debug("output of SOCKS request queue triggered"); socks_output_queue((FILE*) sq.next); } else if (IN6_IS_ADDR_UNSPECIFIED(&sq.addr)) { log_debug("termination request on SOCKS request queue received"); } else { log_debug("SOCKS queuing request received"); socks_enqueue(&sq); } } } // handle all other file descriptors t = time(NULL); for (squeue = socks_queue_; maxfd && squeue; squeue = squeue->next) { // check write set, this is valid after connect() if (FD_ISSET(squeue->fd, &wset)) { maxfd--; if (squeue->state == SOCKS_CONNECTING) { // test if connect() worked log_debug("check socket error"); err_len = sizeof(so_err); if (getsockopt(squeue->fd, SOL_SOCKET, SO_ERROR, &so_err, &err_len) == -1) { log_msg(LOG_ERR, "getsockopt failed: \"%s\", rescheduling request", strerror(errno)); socks_reschedule(squeue); continue; } if (so_err) { log_msg(LOG_ERR, "getsockopt returned %d (\"%s\")", so_err, strerror(so_err)); socks_reschedule(squeue); continue; } // everything seems to be ok, now check request status if (socks_send_request(squeue) == -1) { log_msg(LOG_ERR, "SOCKS request failed"); socks_reschedule(squeue); continue; } // request successfully sent, advance state machine squeue->state = SOCKS_4AREQ_SENT; } else log_debug("unknown state %d in write set", squeue->state); } // check read set, this is valid after write, i.e. receiving SOCKS response if (FD_ISSET(squeue->fd, &rset)) { maxfd--; if (squeue->state == SOCKS_4AREQ_SENT) { if (socks_rec_response(squeue) == -1) { socks_reschedule(squeue); continue; } // success log_debug("activating peer fd %d", squeue->fd); socks_activate_peer(squeue); squeue->state = SOCKS_DELETE; } else log_debug("unknown state %d in read set", squeue->state); } } // delete requests from queue which are marked for deletion for (squeue = socks_queue_; squeue; squeue = squeue->next) if (squeue->state == SOCKS_DELETE) { socks_unqueue(squeue); // restart loop squeue = socks_queue_; if (!squeue) { log_debug("last entry deleted, breaking loop"); break; } } } } onioncat-0.2.2.r559/src/ocatlibe.c100644 001750 001750 00000014003 12074464407 0012255/* Copyright 2008,2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! ocatlibe.c * Contains some helper functions. * * @author Bernhard Fischer * @version 2008/02/03-01 */ #include "ocat.h" /*! oe_close is a more robust close() function. * @param fd File descriptor to close. */ void oe_close(int fd) { int r; log_debug("closing %d", fd); while (close(fd) == -1) { r = errno; log_msg(LOG_CRIT, "close(%d) failed: \"%s\"", fd, strerror(r)); if (r == EINTR) { log_msg(LOG_ERR, "close(%d) failed: \"%s\". restarting...", fd, strerror(r)); continue; } break; } } /*! Remove leading and trailing spaces of a string. * @param s Pointer to string. * @return Length of string after character removal. */ int oe_remtr(char *s) { if (!s[0]) return 0; if (s[0] && (s[strlen(s) - 1] == '\n')) s[strlen(s) - 1] = '\0'; if (s[0] && (s[strlen(s) - 1] == '\r')) s[strlen(s) - 1] = '\0'; return strlen(s); } /*! Convert character string into struct sockaddr of appropriate address family. * AF_INET and AF_INET6 are supported yet. * @param src Pointer to character string. * @param addr Pointer to struct sockaddr of appropriate type (and size). * It should be pre-initialized. strsockaddr() will not init all fields. * @return address family on success or -1 on error. */ int strsockaddr(const char *src, struct sockaddr *addr) { char *s, buf[100]; int p; strlcpy(buf, src, 100); if ((s = strchr(buf, '['))) { s++; ((struct sockaddr_in6*) addr)->sin6_family = AF_INET6; s = strtok(s, "]"); if (!inet_pton(AF_INET6, s, &((struct sockaddr_in6*) addr)->sin6_addr)) { log_msg(LOG_ALERT, "\"%s\" contains no valid IPv6 address", s); return -1; } if ((s = strtok(NULL, " "))) { if (*s == ':') { s++; if ((p = atoi(s)) > 0) ((struct sockaddr_in6*) addr)->sin6_port = htons(p); } } #ifdef HAVE_SIN_LEN ((struct sockaddr_in6*) addr)->sin6_len = sizeof(struct sockaddr_in6); #endif return AF_INET6; } if (strchr(buf, '.')) { ((struct sockaddr_in*) addr)->sin_family = AF_INET; s = strtok(buf, ":"); if (!inet_pton(AF_INET, s, &((struct sockaddr_in*) addr)->sin_addr)) { log_msg(LOG_ALERT, "\"%s\" is not a valid IPv4 address", s); return -1; } s = strtok(NULL, ":"); if (s) if ((p = atoi(s)) > 0) ((struct sockaddr_in*) addr)->sin_port = htons(p); #ifdef HAVE_SIN_LEN ((struct sockaddr_in*) addr)->sin_len = sizeof(struct sockaddr_in); #endif return AF_INET; } if ((p = atoi(buf)) > 0) { switch (((struct sockaddr_in*) addr)->sin_family) { case AF_INET: ((struct sockaddr_in*) addr)->sin_port = htons(p); return AF_INET; case AF_INET6: ((struct sockaddr_in6*) addr)->sin6_port = htons(p); return AF_INET; default: log_debug("adress family 0x%04x not supported", ((struct sockaddr_in*) addr)->sin_family); return -1; } } return -1; } void add_listener(const char *buf) { struct sockaddr_in6 saddr; memset(&saddr, 0, sizeof(saddr)); if (strsockaddr(buf, (struct sockaddr*) &saddr) == -1) log_msg(LOG_EMERG, "could not convert address string '%s'", buf), exit(1); CNF(oc_listen_cnt)++; log_debug("reallocating sockaddr list to %d elements", CNF(oc_listen_cnt)); if (!(CNF(oc_listen) = realloc(CNF(oc_listen), sizeof(struct sockaddr*) * CNF(oc_listen_cnt)))) log_msg(LOG_ERR, "could not get memory for listener list: \"%s\"", strerror(errno)), exit(1); if (!(CNF(oc_listen_fd) = realloc(CNF(oc_listen_fd), sizeof(int) * CNF(oc_listen_cnt)))) log_msg(LOG_ERR, "could not get memory for listener fds: \"%s\"", strerror(errno)), exit(1); log_debug("allocating sockaddr mem for \"%s\"", buf); if (!(CNF(oc_listen)[CNF(oc_listen_cnt) - 1] = calloc(1, sizeof(struct sockaddr_in6)))) log_msg(LOG_ERR, "could not get memory for listener : \"%s\"", strerror(errno)), exit(1); CNF(oc_listen_fd)[CNF(oc_listen_cnt) - 1] = -1; memcpy(CNF(oc_listen)[CNF(oc_listen_cnt) - 1], &saddr, sizeof(saddr)); } void delete_listeners(struct sockaddr **addr, int *fd, int cnt) { log_debug("freeing %d sockaddrs", cnt); for (; cnt; cnt--) free(addr[cnt - 1]); log_debug("freeing sockaddr lists"); free(addr); free(fd); } int fdaprintf(int fd, int bsiz, const char *fmt, va_list ap) { char buf[bsiz]; int s, e; if ((s = vsnprintf(buf, bsiz, fmt, ap)) >= bsiz) { return fdaprintf(fd, s + 1, fmt, ap); } else if (s == -1) { e = errno; log_msg(LOG_WARNING, "vnsprintf failed: \"%s\"", strerror(e)); errno = e; return -1; } if ((s = write(fd, buf, s)) == -1) { e = errno; log_msg(LOG_WARNING, "write failed: \"%s\"", strerror(e)); errno = e; return -1; } return s; } /*! Output formatted string to file using with a file descriptor. * This function behaves like fprintf(). * @param fd File descriptor of file. * @param fmt Format string. * @param ap Variable parameter list. * @return number of bytes written (not including '\0'). */ int fdprintf(int fd, const char *fmt, va_list ap) { return fdaprintf(fd, SIZE_256, fmt, ap); } onioncat-0.2.2.r559/src/ocatctrl.c100644 001750 001750 00000023743 12074464215 0012316/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! @file * Contains functions for local controller interface. * * @author Bernhard Fischer * @version 2008/02/03-01 */ #include "ocat.h" #include "ocat_netdesc.h" /*! ctrl_handler handles connections to local control port. * @param p void* typcasted to int contains fd of connected socket. * @return Currently always returns NULL. * * FIXME: ctrl_handler probably is not thread-safe. */ void *ctrl_handler(void *p) { int fd, c; FILE *ff, *fo; char buf[FRAME_SIZE], addrstr[INET6_ADDRSTRLEN], onionstr[NDESC(name_size)], timestr[32], *s, *tokbuf, *bufp; int rlen, cfd; struct tm *tm; OcatPeer_t *peer; struct in6_addr in6; int pfd[2]; detach_thread(); if (pipe(pfd) == -1) log_msg(LOG_EMERG, "couldn't create pipe: \"%s\"", strerror(errno)), exit(1); fd = (long) p; if (CNF(config_read)) { if (!(ff = fdopen(fd, "r+"))) { log_msg(LOG_ERR, "could not open %d for writing: %s", fd, strerror(errno)); oe_close(pfd[0]); oe_close(pfd[1]); return NULL; } log_debug("fd %d fdopen'ed \"r+\"", fd); fo = ff; if (setvbuf(ff, NULL, _IONBF, 0)) log_msg(LOG_ERR, "could not setup line buffering: %s", strerror(errno)); } else { if (!(ff = fdopen(fd, "r"))) { log_msg(LOG_ERR, "could not open %d for reading: %s", fd, strerror(errno)); CNF(config_read) = 1; oe_close(pfd[0]); oe_close(pfd[1]); return NULL; } log_debug("fd %d fdopen'ed \"r\"", fd); fo = CNF(logf) ? CNF(logf) : stderr; //CNF(config_read) = 1; } lock_setup(); CNF(ctrl_active)++; unlock_setup(); fprintf(fo, "%s\n", CNF(version)); fprintf(fo, "*** ATTENTION! Controller interface not thread-safe yet! Usage could cause deadlocks. ***\n"); for (;;) { if (CNF(config_read)) fprintf(fo, "%s> ", CNF(onion_url)); c = getc(ff); if (c == EOF) { log_debug("EOF received."); break; } else if (c == 4) { log_debug("^D received."); break; } else if (c == 0x1b) { log_debug("ESC received"); if (ungetc(c, ff) == EOF) { log_debug("received EOF on ungetc"); break; } } else { if (ungetc(c, ff) == EOF) { log_debug("received EOF on ungetc"); break; } } if (!fgets(buf, FRAME_SIZE, ff)) { if (!feof(ff)) log_msg(LOG_ERR, "error reading from %d"); break; } #ifdef DEBUG for (c = 0; c < strlen(buf); c++) snprintf(&buf[strlen(buf) + 2 + c * 3], FRAME_SIZE - strlen(buf) - 2 - c * 3, "%02x ", buf[c]); log_debug("xenc input buf: %s", &buf[strlen(buf) + 2]); #endif if (!(rlen = oe_remtr(buf))) continue; if (!(bufp = strtok_r(buf, " \t\r\n", &tokbuf))) continue; // "exit"/"quit" => terminate thread if (!strncmp(bufp, "exit", 4) || !strncmp(bufp, "quit", 4)) break; // "status" else if (!strcmp(bufp, "status")) { lock_peers(); for (peer = get_first_peer(); peer; peer = peer->next) // FIXME: should peer be locked? if (peer->state == PEER_ACTIVE) { tm = localtime(&peer->otime); strftime(timestr, 32, "%c", tm); fprintf(fo, "[%s]\n fd = %d\n addr = %s\n dir = \"%s\" (%d)\n idle = %lds\n bytes_in = %ld\n bytes_out = %ld\n setup_delay = %lds\n opening_time = \"%s\"\n conn type = \"%s\" (%d)\n", IN6_IS_ADDR_UNSPECIFIED(&peer->addr) ? "--unidentified--" : ipv6tonion(&peer->addr, onionstr), peer->tcpfd, inet_ntop(AF_INET6, &peer->addr, addrstr, INET6_ADDRSTRLEN), peer->dir == PEER_INCOMING ? "IN" : "OUT", peer->dir, (long) (time(NULL) - peer->time), peer->in, peer->out, (long) peer->sdelay, timestr, peer->perm ? "PERMANENT" : "TEMPORARY", peer->perm ); } unlock_peers(); } else if (!strcmp(bufp, "close")) { cfd = atoi(bufp +6); lock_peers(); for (peer = get_first_peer(); peer; peer = peer->next) if (peer->tcpfd == cfd) { oe_close(cfd); delete_peer(peer); log_msg(LOG_INFO | LOG_FCONN, "%d was successfully closed up on user request", cfd); break; } if (!peer) { log_msg(LOG_INFO, "no peer with fd %d exists\n", cfd); fprintf(fo, "no peer with fd %d exists\n", cfd); } unlock_peers(); } else if (!strcmp(bufp, "threads")) { print_threads(ff); } else if (!strcmp(bufp, "terminate")) { log_msg(LOG_INFO, "terminate request from control port"); kill(getpid(), SIGINT); } else if (!strcmp(bufp, "route")) { if (rlen > 6) { if ((c = parse_route(bufp + 6)) == E_RT_SYNTAX) if ((c = ipv6_parse_route(bufp + 6)) > 0) c = 0; switch (c) { case E_RT_NOTORGW: s = "gateway has not TOR prefix"; break; case E_RT_ILLNM: s = "illegal netmask or prefix length"; break; case E_RT_DUP: s = "route already exists"; break; case E_RT_GWSELF: s = "gateway points to me"; break; default: s = ""; } if (c) fprintf(ff, "ERR %d %s\n", c, s); } else { print_routes(fo); ipv6_print_routes(fo); } } else if (!strcmp(bufp, "connect")) { if ((s = strtok_r(NULL, " \t\r\n", &tokbuf))) { if ((strlen(s) != 16) || (oniontipv6(s, &in6) == -1)) fprintf(ff, "ERR \"%s\" not valid .onion-URL\n", bufp + 8); else { if (!(s = strtok_r(NULL, " \t\r\n", &tokbuf))) socks_queue(in6, 0); else if (!strcmp(s, "perm")) socks_queue(in6, 1); else fprintf(ff, "ERR unknown param \"%s\"\n", s); } } else fprintf(ff, "ERR missing args\n"); } else if (!strcmp(bufp, "macs")) { print_mac_tbl(ff); } else if (!strcmp(bufp, "queue")) { print_socks_queue((FILE*) (long) pfd[1]); for (;;) { read(pfd[0], buf, 1); if (!buf[0]) break; fprintf(ff, "%c", buf[0]); } } else if (!strcmp(bufp, "setup")) { print_setup_struct(ff); } else if (!strcmp(bufp, "version")) { fprintf(ff, "%s\n", CNF(version)); } else if (!strcmp(bufp, "help") || !strcmp(bufp, "?")) { fprintf(fo, "commands:\n" "exit | quit .... exit from control interface\n" "terminate ...... terminate OnionCat\n" "close ...... close file descriptor of a peer\n" "status ......... list peer status\n" "threads ........ show active threads\n" "route .......... show routing table\n" "route \n" " ............. add route to routing table\n" "connect <.onion-URL> [\"perm\"]\n" " ............. connect to a hidden service. if \"perm\" is set,\n" " ............. connection will stay open forever\n" "macs ........... show MAC address table\n" "queue .......... list pending SOCKS connections\n" "setup .......... show internal setup struct\n" "version ........ show version\n" ); } else { fprintf(fo, "ERR unknown command: \"%s\"\n", buf); } } if (CNF(config_read)) fprintf(fo, "Good bye!\n"); log_msg(LOG_INFO | LOG_FCONN, "closing session %d", fd); if (fclose(ff) == EOF) log_msg(LOG_ERR, "error closing control stream: \"%s\"", strerror(errno)); // fclose also closes the fd according to the man page if (!CNF(config_read)) CNF(config_read) = 1; // close pipe oe_close(pfd[0]); oe_close(pfd[1]); lock_setup(); CNF(ctrl_active)--; unlock_setup(); return NULL; } int run_ctrl_handler(int fd) { // check number of controller sessions // FIXME: listener should be closed or acceptor delayed instead of // counting after session acceptance. lock_setup(); if (CNF(ctrl_active) >= CNF(max_ctrl)) { log_msg(LOG_WARNING, "maximum number of controller sessions reached"); oe_close(fd); fd = -1; } unlock_setup(); if (fd == -1) return -1; return (int) run_ocat_thread("ctrl_handler", ctrl_handler, (void*) (long) fd); } void *ocat_controller(void *p) { run_listeners(CNF(ctrl_listen), CNF(ctrl_listen_fd), CNF(ctrl_listen_cnt), run_ctrl_handler); return NULL; } onioncat-0.2.2.r559/src/ocatipv6route.c100644 001750 001750 00000010145 12074464215 0013305/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! @file * This file contains functions for managing IPv6 routing and * forwarding. * * @author Bernhard R. Fischer * @version 2008/09/03-01 */ #include "ocat.h" /*! IPv6 Routing table. Each entry contains 3 values: * destination network, prefix length, gateway */ static IPv6Route_t *v6route_ = NULL; static int v6route_cnt_ = 0; static pthread_mutex_t v6route_mutex_ = PTHREAD_MUTEX_INITIALIZER; /*! Reduce IPv6 address to prefix, i.e. cut off host id. * @param net IPv6 address * @param prefixlen Prefix length */ void ipv6_reduce(struct in6_addr *net, int prefixlen) { int i; char m; for (i = 0; i < ((128 - prefixlen) >> 3); i++) net->s6_addr[15 - i] = 0; m = 0xff << (8 - (prefixlen % 8)); net->s6_addr[prefixlen >> 3] &= m; } /*! Lookup IPv6 route. */ struct in6_addr *ipv6_lookup_route(const struct in6_addr *dest) { struct in6_addr addr; int i, n; pthread_mutex_lock(&v6route_mutex_); n = v6route_cnt_; for (i = 0; i < n; i++) { addr = *dest; ipv6_reduce(&addr, v6route_[i].prefixlen); if (IN6_ARE_ADDR_EQUAL(&v6route_[i].dest, &addr)) { log_debug("IPv6 route found"); break; } } pthread_mutex_unlock(&v6route_mutex_); return i < n ? &v6route_[i].gw : NULL; } /*! Add an IPv6 route to IPv6 routing table. * @return -1 if table is full else return index of entry. */ int ipv6_add_route(const IPv6Route_t *route) { int r = -1; IPv6Route_t *rt; pthread_mutex_lock(&v6route_mutex_); if ((rt = realloc(v6route_, sizeof(IPv6Route_t) * (v6route_cnt_ + 1)))) { v6route_ = rt; r = v6route_cnt_; memcpy(&v6route_[v6route_cnt_++], route, sizeof(IPv6Route_t)); } pthread_mutex_unlock(&v6route_mutex_); return r; } void ipv6_print(IPv6Route_t *route, void *f) { char addr[INET6_ADDRSTRLEN]; inet_ntop(AF_INET6, &route->dest, addr, INET6_ADDRSTRLEN); fprintf(f, "IN6 %s %3d ", addr, route->prefixlen); inet_ntop(AF_INET6, &route->gw, addr, INET6_ADDRSTRLEN); fprintf(f, "%s %p\n", addr, route); } void ipv6_print_routes(FILE *f) { int i; pthread_mutex_lock(&v6route_mutex_); for (i = 0; i < v6route_cnt_; i++) ipv6_print(&v6route_[i], f); pthread_mutex_unlock(&v6route_mutex_); } /*! Parse IPv6 route and add it to routing table. * @return index of routing table entry (>= 0) or an integer < 0 on failure. */ int ipv6_parse_route(const char *rs) { char buf[strlen(rs) + 1], *s, *b; IPv6Route_t route6; if (!rs) return E_RT_NULLPTR; log_debug("IPv6 route parser: \"%s\"", rs); strlcpy(buf, rs, strlen(rs) + 1); if (!(s = strtok_r(buf, " \t", &b))) return E_RT_SYNTAX; if (inet_pton(AF_INET6, s, &route6.dest) != 1) return E_RT_SYNTAX; if (!(s = strtok_r(NULL, " \t", &b))) return E_RT_SYNTAX; errno = 0; route6.prefixlen = strtol(s, NULL, 10); if (errno) return E_RT_SYNTAX; if ((route6.prefixlen < 0) || (route6.prefixlen > 128)) return E_RT_ILLNM; if (!(s = strtok_r(NULL, " \t", &b))) return E_RT_SYNTAX; if (inet_pton(AF_INET6, s, &route6.gw) != 1) return E_RT_SYNTAX; if (!has_tor_prefix(&route6.gw)) return E_RT_NOTORGW; if (IN6_ARE_ADDR_EQUAL(&route6.gw, &CNF(ocat_addr))) return E_RT_GWSELF; ipv6_reduce(&route6.dest, route6.prefixlen); if (ipv6_lookup_route(&route6.dest)) return E_RT_DUP; return ipv6_add_route(&route6); } onioncat-0.2.2.r559/src/ocaticmp.c100644 001750 001750 00000005741 12074464212 0012275/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! @file * Contains functions for internal echo request/responses * * @author Bernhard Fischer * @version 2008/10/10 */ #ifdef MEASURE_RTT #include "ocat.h" #define ECHO_SIZE 400 #define E_ECHO_NOMEM -1 #define E_ECHO_DUP -2 typedef struct IcmpTree { struct IcmpTree *next[2]; uint32_t idseq; struct timeval tv; } IcmpTree_t; static IcmpTree_t *itree_ = NULL; IcmpTree_t *get_icmp(IcmpTree_t *tree, uint32_t id) { if (!tree) return NULL; if (tree->idseq == id) return tree; return get_icmp(tree->next[tree->idseq > id], id); } int reg_icmp(IcmpTree_t **tree, uint32_t id) { if (!(*tree)) { if (!(*tree = malloc(sizeof(IcmpTree_t)))) { log_msg(LOG_ERR, "error allocating icmp tree: \"%s\"", strerror(errno)); return E_ECHO_NOMEM; } (*tree)->next[0] = (*tree)->next[1] = NULL; (*tree)->idseq = 0; } if (!(*tree)->idseq) { (*tree)->idseq = id; if (gettimeofday(&(*tree)->tv, NULL) == -1) log_msg(LOG_ERR, "gettimeofday: \"%s\"", strerror(errno)); return 0; } if (id == (*tree)->idseq) { log_debug("duplicate icmp id 0x%08x", id); return E_ECHO_DUP; } return reg_icmp(&(*tree)->next[(*tree)->idseq > id], id); } uint16_t ocat_rand(void) { return rand(); } uint64_t icmp_data(void) { return 0x28af362ee6d0937eLL; } int ocat_echo_request(void) { char buf[ECHO_SIZE]; struct ip6_hdr *hdr = (struct ip6_hdr*) buf; struct icmp6_hdr *icmp = (struct icmp6_hdr*) (hdr + 1); uint16_t *ckb; memset(buf, ECHO_SIZE, 0); hdr->ip6_vfc = 0x60; hdr->ip6_nxt = IPPROTO_ICMPV6; hdr->ip6_plen = htons(ECHO_SIZE - sizeof(struct ip6_hdr)); hdr->ip6_hlim = 255; icmp->icmp6_type = ICMP6_ECHO_REQUEST; for (;;) { icmp->icmp6_id = ocat_rand(); icmp->icmp6_seq = ocat_rand(); log_debug("registering icmp, id = %d, seq = %d", icmp->icmp6_id, icmp->icmp6_seq); if (!reg_icmp(&itree_, ((uint32_t) icmp->icmp6_id << 16) | icmp->icmp6_seq)) break; } // calculate checksum ckb = malloc_ckbuf(&hdr->ip6_src, &hdr->ip6_dst, ntohs(hdr->ip6_plen), IPPROTO_ICMPV6, icmp); icmp->icmp6_cksum = checksum(ckb, ntohs(hdr->ip6_plen) + sizeof(struct ip6_psh)); free_ckbuf(ckb); return 0; } #endif onioncat-0.2.2.r559/src/ocat_wintuntap.c100644 001750 001750 00000023006 12074464212 0013527/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! This file contains the Windows code for accessing the OpenVPN TAP driver. * This driver must be installed in order to run OnionCat on Windows. * * The source code of this file was originally written by Wolfgang Ginolas for * his P2PVPN project (http://www.p2pvpn.org/) and was by his permission * adapted (thanks) to the needs for OnionCat. */ #ifdef __CYGWIN__ #include "ocat.h" #include #include #include // this is the registry directory where the drivers reside in #define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}" // this registry directory contains also information about network drivers #define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}" const char *tap_component_id_[] = {"tap0901", "tapoas", "tap0801", NULL}; #define USERMODEDEVICEDIR "\\\\.\\Global\\" #define TAPSUFFIX ".tap" #define TAP_CONTROL_CODE(request,method) \ CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS) #define TAP_IOCTL_GET_MAC TAP_CONTROL_CODE (1, METHOD_BUFFERED) #define TAP_IOCTL_GET_VERSION TAP_CONTROL_CODE (2, METHOD_BUFFERED) #define TAP_IOCTL_GET_MTU TAP_CONTROL_CODE (3, METHOD_BUFFERED) #define TAP_IOCTL_GET_INFO TAP_CONTROL_CODE (4, METHOD_BUFFERED) #define TAP_IOCTL_CONFIG_POINT_TO_POINT TAP_CONTROL_CODE (5, METHOD_BUFFERED) #define TAP_IOCTL_SET_MEDIA_STATUS TAP_CONTROL_CODE (6, METHOD_BUFFERED) #define TAP_IOCTL_CONFIG_DHCP_MASQ TAP_CONTROL_CODE (7, METHOD_BUFFERED) #define TAP_IOCTL_GET_LOG_LINE TAP_CONTROL_CODE (8, METHOD_BUFFERED) #define TAP_IOCTL_CONFIG_DHCP_SET_OPT TAP_CONTROL_CODE (9, METHOD_BUFFERED) typedef struct TapData { HANDLE fd; HANDLE read_event; HANDLE write_event; OVERLAPPED read_overlapped; OVERLAPPED write_overlapped; } TapData_t; static TapData_t tapData_; int findTapDevice(char *deviceID, int deviceIDLen, char *deviceName, int deviceNameLen, const char *tap_component_id) { HKEY adapterKey, key; int i; DWORD len; char keyI[1024], keyName[1024], componentId[256]; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, ADAPTER_KEY, 0, KEY_READ, &adapterKey) != ERROR_SUCCESS) { log_msg(LOG_ERR, "RegOpenKeyEx \"%s\" failed. Error = %ld", ADAPTER_KEY, GetLastError()); return -1; } deviceID[0] = '\0'; for (i = 0; deviceID[0] == '\0' && ERROR_SUCCESS == RegEnumKey(adapterKey, i, keyI, sizeof(keyI)); i++) { snprintf(keyName, sizeof(keyName), "%s\\%s", ADAPTER_KEY, keyI); if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, KEY_READ, &key) != ERROR_SUCCESS) { log_msg(LOG_ERR, "RegOpenKeyEx \"%s\" failed. Error = %ld", keyName, GetLastError()); return -1; } len = sizeof(componentId); if ((RegQueryValueEx(key, "ComponentId", NULL, NULL, componentId, &len) == ERROR_SUCCESS) && !strcmp(componentId, tap_component_id)) { len = deviceIDLen; RegQueryValueEx(key, "NetCfgInstanceId", NULL, NULL, deviceID, &len); log_debug("ComponentId = \"%s\", NetCfgInstanceId = \"%s\"", componentId, deviceID); } RegCloseKey(key); } RegCloseKey(adapterKey); if (!deviceID[0]) return -1; snprintf(keyName, sizeof(keyName), "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, deviceID); if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, KEY_READ, &key) != ERROR_SUCCESS) { log_msg(LOG_ERR, "RegOpenKeyEx \"%s\" failed. Error = %ld", keyName, GetLastError()); return -1; } len = deviceNameLen; if (RegQueryValueEx(key, "Name", NULL, NULL, deviceName, &len) != ERROR_SUCCESS) { log_msg(LOG_ERR, "RegQueryValueEx \"%s\" failed. Error = %ld", key, GetLastError()); RegCloseKey(key); return -1; } RegCloseKey(key); return 0; } /*! Open TAP driver. */ int win_open_tun(char *dev, int s) { char deviceId[SIZE_256], deviceName[SIZE_256], tapPath[SIZE_256]; TapData_t *tapData = &tapData_; unsigned long len = 0; int status, i; for (i = 0; tap_component_id_[i] != NULL; i++) if ((status = findTapDevice(deviceId, sizeof(deviceId), deviceName, sizeof(deviceName), tap_component_id_[i])) != -1) break; if (status == -1) { log_msg(LOG_ALERT, "could not find TAP driver with valid componentId. Probly not installed"); return -1; } log_debug("TAP found. deviceId = \"%s\", deviceName = \"%s\"", deviceId, deviceName); snprintf(tapPath, sizeof(tapPath), "%s%s%s", USERMODEDEVICEDIR, deviceId, TAPSUFFIX); log_debug("creating file at \"%s\"", tapPath); tapData->fd = CreateFile( tapPath, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0 ); if (tapData->fd == INVALID_HANDLE_VALUE) { log_msg(LOG_ALERT, "CreateFile failed. Error = %ld", GetLastError()); return -1; } status = TRUE; // FIXME: return value should be handled! DeviceIoControl(tapData->fd, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof (status), &status, sizeof (status), &len, NULL); // FIXME: return value should be handled! tapData->read_event = CreateEvent(NULL, FALSE, FALSE, NULL); // FIXME: return value should be handled! tapData->write_event = CreateEvent(NULL, FALSE, FALSE, NULL); tapData->read_overlapped.Offset = 0; tapData->read_overlapped.OffsetHigh = 0; tapData->read_overlapped.hEvent = tapData->read_event; tapData->write_overlapped.Offset = 0; tapData->write_overlapped.OffsetHigh = 0; tapData->write_overlapped.hEvent = tapData->write_event; // set IPv6 address // % netsh interface ipv6 add address "LAN-Verbindung 2" fd87:d87e:eb43:0:84:2100:0:8421 // add route // % netsh interface ipv6 add route fd87:d87e:eb43::/48 "LAN-Verbindung 2" strlcpy(dev, deviceName, s); return 0; } /*! Close TAP driver. */ int win_close_tun(void) { if (!CloseHandle(tapData_.fd)) { log_msg(LOG_ERR, "CloseHandle failed. Error = %ld", GetLastError()); return -1; } return 0; } int win_write_tun(const char *jb, int len) { TapData_t *tapData = &tapData_; DWORD written, err; log_debug("WriteFile %d bytes", len); if (!GetOverlappedResult(tapData->fd, &tapData->write_overlapped, &written, FALSE)) { err = GetLastError(); log_debug("GetOverlappedResult failed. Error = %ld", err); if (err == ERROR_IO_INCOMPLETE) { log_debug("IO_COMPLETE, WaitForSingleObject"); if ((err = WaitForSingleObject(tapData->write_event, INFINITE)) == WAIT_FAILED) log_msg(LOG_ERR, "WaitForSingleObject failed. Error = %ld", GetLastError()); else log_debug("WaitForSingleObject returen %08lx", err); } } if (!WriteFile(tapData->fd, jb, len, &written, &tapData->write_overlapped)) { if ((err = GetLastError()) != ERROR_IO_PENDING) { log_msg(LOG_ERR, "error writing %ld", err); return -1; } else log_debug("IO_PENDING"); } return written; } /*! Read from TAP driver. */ int win_read_tun(char *buf, int n) { TapData_t *tapData = &tapData_; DWORD len, err; log_debug("ReadFile max. %d bytes", n); if (!ReadFile(tapData->fd, buf, n, &len, &tapData->read_overlapped)) { // check if I/O is still pending if ((err = GetLastError()) == ERROR_IO_PENDING) { for (err = WAIT_TIMEOUT; err == WAIT_TIMEOUT;) { log_debug("ReadFile pending..."); if ((err = WaitForSingleObject(tapData->read_event, SELECT_TIMEOUT * 1000)) == WAIT_FAILED) log_msg(LOG_ERR, "WaitForSingleObject failed. Error = %ld", GetLastError()); log_debug("WaitForSingleObject returned %08lx", err); } if (!GetOverlappedResult(tapData->fd, &tapData->read_overlapped, &len, FALSE)) { // GetOverlappedResult may fail if buffer was too small err = GetLastError(); if (err == ERROR_IO_INCOMPLETE) log_msg(LOG_WARNING, "GetOverlappedResult return INCOMPLETE...unhandled"); else log_msg(LOG_WARNING, "GetOverlappedResult failed. Error = %ld", err); } else log_debug("overlapped_read returned %ld bytes", len); } else log_debug("ReadFile returned %ld bytes", err); } return len; } #if 0 #define BUFLEN 1500 int main() { char buf[BUFLEN]; int len, i; memset(&tapData_, 0, sizeof(tapData_)); win_open_tun(); printf("opened...."); //win_write_tun(buf, 10); for (;;) { len = win_read_tun(buf, BUFLEN); printf("read %d bytes\n", len); for (i = 0; i < len; i++) printf("%02x ", buf[i] & 0xff); printf("\n\n"); } win_close_tun(); return 0; } #endif #endif /* __CYGWIN__ */ onioncat-0.2.2.r559/src/ocat_netdesc.c100644 001750 001750 00000002504 12074464230 0013123/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #include "ocat_netdesc.h" const struct NetDesc netdesc_[2] = { { TOR_PREFIX, TOR_PREFIX_LEN, TOR_PREFIX4, TOR_PREFIX4_MASK, TOR_ONION_NAME_SIZE, TOR_DOMAIN, TOR_OCAT_LISTEN_PORT, TOR_OCAT_CTRL_PORT, TOR_OCAT_DEST_PORT, TOR_SOCKS_PORT, TOR_OCAT_CONNECT_LOG, TOR_PID_FILE, "ocat.conf", }, { I2P_PREFIX, I2P_PREFIX_LEN, I2P_PREFIX4, I2P_PREFIX4_MASK, I2P_ONION_NAME_SIZE, I2P_DOMAIN, I2P_OCAT_LISTEN_PORT, I2P_OCAT_CTRL_PORT, I2P_OCAT_DEST_PORT, I2P_SOCKS_PORT, I2P_OCAT_CONNECT_LOG, I2P_PID_FILE, "gcat.conf", }, }; onioncat-0.2.2.r559/src/ocathosts.c100644 001750 001750 00000014472 12074464214 0012510/* Copyright 2008-2010 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif // For testing compile this file with // gcc -DINC_MAIN -Wall -DHAVE_CONFIG_H -I.. -o ocathosts -lpthread ocathosts.c strlcpy.c #ifndef INC_MAIN #include "ocat.h" #else #define log_msg(x,y...) fprintf(stderr, ## y),fprintf(stderr, "\n") #define log_debug(x...) log_msg(LOG_DEBUG, ## x) #endif #include "ocathosts.h" #include #include #include #include #include #include #ifdef HAVE_TIME_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_FCNTL_H #include #endif #ifdef HAVE_NETDB_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif static struct hosts_info hosts_ = {{0, 0}, -1, NULL, 0, ""}; static char *path_hosts_ = NULL; static pthread_mutex_t hosts_mutex_ = PTHREAD_MUTEX_INITIALIZER; /*! Test if modification time changed. * @param fd File descriptor of file to test; * @param ts Pointer to buffer of old timespec. * @return 0 if nothing changed, -1 on error (i.e. file * might have changed) and 1 if mtime changed. In the latter case * ts will be updated. **/ int hosts_file_modified_r(struct timespec *ts) { struct stat st; log_debug("checking if file \"%s\" was modified", path_hosts_); if (stat(path_hosts_, &st) == -1) { log_debug("stat on \"%s\" failed: \"%s\"", path_hosts_, strerror(errno)); return -1; } #ifdef HAVE_STAT_ST_MTIM if ((st.st_mtim.tv_sec == ts->tv_sec) && (st.st_mtim.tv_nsec == ts->tv_nsec)) #elif HAVE_STAT_ST_MTIMESPEC if ((st.st_mtimespec.tv_sec == ts->tv_sec) && (st.st_mtimespec.tv_nsec == ts->tv_nsec)) #else if (st.st_mtime == ts->tv_sec) #endif return 0; log_debug("%s modified", path_hosts_); #ifdef HAVE_STAT_ST_MTIM *ts = st.st_mtim; #elif HAVE_STAT_ST_MTIMESPEC *ts = st.st_mtimespec; #else ts.tv_sec = st.st_mtime; #endif return 1; } int hosts_read(struct hosts_ent **hent) { int e, n = 0, c; char buf[HOSTS_LINE_LENGTH + 1], *s; struct addrinfo hints, *res; struct hosts_ent *h; FILE *f; if ((f = fopen(path_hosts_, "r")) == NULL) { log_debug("fopen(\"%s\"...) failed: \"%s\"", path_hosts_, strerror(errno)); return -1; } pthread_mutex_lock(&hosts_mutex_); if (*hent) { free(*hent); *hent = NULL; } memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_INET6; hints.ai_flags = AI_NUMERICHOST; while (fgets(buf, HOSTS_LINE_LENGTH, f) != NULL) { if ((s = strtok(buf, " \t\r\n")) == NULL) continue; // skip comments if (s[0] == '#') continue; if ((e = getaddrinfo(s, NULL, &hints, &res)) != 0) { log_debug("getaddrinfo(\"%s\"...) failed: \"%s\"", s, gai_strerror(e)); continue; } // to be on the safe side check address family if (res->ai_family != AF_INET6) { // this should never happen log_debug("ai_family = %d (!= AF_INET6)", res->ai_family); freeaddrinfo(res); continue; } // parse all hostnames behind IPv6 address for (c = 0; (s = strtok(NULL, " \t\r\n")); c++) { // copy hostname if it ends with "${hdom_}" if ((strlen(s) > strlen(hosts_.hdom)) && !strcasecmp(s + (strlen(s) - strlen(hosts_.hdom)), hosts_.hdom)) { if ((*hent = realloc(*hent, ++n * sizeof(struct hosts_ent))) == NULL) { log_msg(LOG_ERR, "realloc failed: \"%s\"", strerror(errno)); n--; break; } h = (*hent) + n - 1; h->addr = ((struct sockaddr_in6*) res->ai_addr)->sin6_addr; strlcpy(h->name, s, NI_MAXHOST); break; } } freeaddrinfo(res); } pthread_mutex_unlock(&hosts_mutex_); (void) fclose(f); log_debug("found %d valid IPv6 records in %s", n, path_hosts_); return n; } /*! Open hosts file and read IPv6 records. * @return -1 on error and 0 on success. */ int hosts_check(void) { #ifdef __CYGWIN__ static char path_hosts[1024] = {'\0'}; char *s; #endif if (path_hosts_ == NULL) { #ifdef __CYGWIN__ if ((s = getenv("WINDIR")) != NULL) { snprintf(path_hosts, sizeof(path_hosts), "%s\\system32\\drivers\\etc\\hosts", s); path_hosts_ = path_hosts; } #else path_hosts_ = _PATH_HOSTS; #endif } if (hosts_file_modified_r(&hosts_.hosts_ts)) hosts_.hosts_ent_cnt = hosts_read(&hosts_.hosts_ent); return 0; } /*! Return name for IPv6 address. * @return 0 on success, -1 on error. **/ int hosts_get_name(const struct in6_addr *addr, char *buf, int s) { int i; struct hosts_ent *h; log_debug("looking up name"); pthread_mutex_lock(&hosts_mutex_); for (i = hosts_.hosts_ent_cnt - 1, h = hosts_.hosts_ent; i >= 0; i--, h++) if (IN6_ARE_ADDR_EQUAL(addr, &h->addr)) { strlcpy(buf, h->name, s); log_debug("name \"%s\" found", buf); break; } pthread_mutex_unlock(&hosts_mutex_); if (i < 0) return -1; return 0; } void hosts_init(const char *dom) { hosts_.hdom = dom; } #ifdef INC_MAIN int main() { int i; struct hosts_ent *h; struct in6_addr addr = IN6ADDR_LOOPBACK_INIT; char buf[NI_MAXHOST]; hosts_init(".b32.i2p"); hosts_check(); h = hosts_.hosts_ent; for (i = 0; i < hosts_.hosts_ent_cnt; i++, h++) { printf("%s\n", h->name); } if (!hosts_get_name(&addr, buf, NI_MAXHOST)) printf("loopname = \"%s\"\n", buf); return 0; } #endif onioncat-0.2.2.r559/src/ocatresolv.c100644 001750 001750 00000003564 12074464225 0012664/* Copyright 2008 Bernhard R. Fischer, Daniel Haslinger. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /* This files contains DNS interception stuff. This routines are not used, yet. */ #include "ocat.h" #ifdef USE_DNS_REDIRECT int check_dns(const struct ip6_hdr *ip6, int len) { uint16_t *ckbuf, sum; struct udphdr *udp; HEADER *dns; #ifdef DEBUG int i; char tmp[100]; #endif log_debug("check_dns"); if (len < sizeof(*ip6)) return -1; #ifdef DEBUG tmp[0] = '\0'; for (i = 0; i < 40; i++) snprintf(tmp + strlen(tmp), 100 - strlen(tmp), "%02x", ((char*)ip6)[i]); log_debug("ip6: %s", tmp); #endif if (ip6->ip6_nxt != IPPROTO_UDP) return -1; if (!IN6_ARE_ADDR_EQUAL(&CNF(oc_vdns), &ip6->ip6_dst)) return -1; log_debug("destination is virtual OC DNS server"); udp = (struct udphdr*) (ip6 + 1); ckbuf = malloc_ckbuf(&ip6->ip6_src, &ip6->ip6_dst, ntohs(ip6->ip6_plen), IPPROTO_UDP, udp); sum = checksum(ckbuf, ntohs(ip6->ip6_plen) + sizeof(struct ip6_psh)); free_ckbuf(ckbuf); if (sum) { log_debug("checksum error"); return -1; } log_debug("dport = %d", ntohs(udp->uh_dport)); if (ntohs(udp->uh_dport) != 53) return -1; log_debug("DNS request found"); dns = (HEADER*) (udp + 1); return 0; } #endif onioncat-0.2.2.r559/src/cygwin/ocat_cygwin.h100644 001750 001750 00000004237 12074464217 0014315/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /** This file contains missing headers for the IPv6 system part of * OnionCat. * There are several definitions at the beginning. * * At the bottom it includes three header files files which * are taken directly from OpenBSD. Those files have been * truncated by unnecessary code lines mainly the KERNEL stuff. */ #ifndef OCAT_CYGWIN_H #define OCAT_CYGWIN_H #ifndef IPPROTO_NONE #define IPPROTO_NONE 59 #endif #ifndef MSG_DONTWAIT #define MSG_DONTWAIT 0x40 #endif #ifndef IPPROTO_ICMPV6 #define IPPROTO_ICMPV6 58 #endif // this seems to be missing in Cygwin/w32api 1.5.25-15 IPv6 extension 0.22 // (2008/07/05) (author contacted on 2009/02/24) #ifndef IPV6_ADDR_MC_SCOPE #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) #endif //! '__packed' is defined in OpenBSD's sys/cdefs.h #define __packed __attribute__((packed)) //! 'LIST_ENTRY' is defined in OpenBSD's sys/queue.h #define LIST_ENTRY(type) \ struct { \ struct type *le_next; /* next element */ \ struct type **le_prev; /* address of previous next element */ \ } //! define OpenBSD-style byteorder macros #ifndef _BYTE_ORDER #define _BYTE_ORDER BYTE_ORDER #endif #ifndef _LITTLE_ENDIAN #define _LITTLE_ENDIAN LITTLE_ENDIAN #endif #ifndef _BIG_ENDIAN #define _BIG_ENDIAN BIG_ENDIAN #endif #include "openbsd_netinet_ip6.h" #include "openbsd_netinet_icmp6.h" #include "openbsd_netinet_if_ether.h" #endif onioncat-0.2.2.r559/src/cygwin/openbsd_netinet_icmp6.h100644 001750 001750 00000054511 12074464220 0016257/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! This file is taken originally from OpenBSD and has been truncated * by unnecessary code lines within this context. */ /* $OpenBSD: icmp6.h,v 1.32 2006/07/06 02:56:58 brad Exp $ */ /* $KAME: icmp6.h,v 1.84 2003/04/23 10:26:51 itojun Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET_ICMP6_H_ #define _NETINET_ICMP6_H_ #define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr) - sizeof(struct icmp6_hdr) */ struct icmp6_hdr { u_int8_t icmp6_type; /* type field */ u_int8_t icmp6_code; /* code field */ u_int16_t icmp6_cksum; /* checksum field */ union { u_int32_t icmp6_un_data32[1]; /* type-specific field */ u_int16_t icmp6_un_data16[2]; /* type-specific field */ u_int8_t icmp6_un_data8[4]; /* type-specific field */ } icmp6_dataun; } __packed; #define icmp6_data32 icmp6_dataun.icmp6_un_data32 #define icmp6_data16 icmp6_dataun.icmp6_un_data16 #define icmp6_data8 icmp6_dataun.icmp6_un_data8 #define icmp6_pptr icmp6_data32[0] /* parameter prob */ #define icmp6_mtu icmp6_data32[0] /* packet too big */ #define icmp6_id icmp6_data16[0] /* echo request/reply */ #define icmp6_seq icmp6_data16[1] /* echo request/reply */ #define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */ #define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */ #define ICMP6_PACKET_TOO_BIG 2 /* packet too big */ #define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */ #define ICMP6_PARAM_PROB 4 /* ip6 header bad */ #define ICMP6_ECHO_REQUEST 128 /* echo service */ #define ICMP6_ECHO_REPLY 129 /* echo reply */ #define MLD_LISTENER_QUERY 130 /* multicast listener query */ #define MLD_LISTENER_REPORT 131 /* multicast listener report */ #define MLD_LISTENER_DONE 132 /* multicast listener done */ /* RFC2292 decls */ #define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */ #define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */ #define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */ #ifndef _KERNEL /* the followings are for backward compatibility to old KAME apps. */ #define MLD6_LISTENER_QUERY MLD_LISTENER_QUERY #define MLD6_LISTENER_REPORT MLD_LISTENER_REPORT #define MLD6_LISTENER_DONE MLD_LISTENER_DONE #endif #define ND_ROUTER_SOLICIT 133 /* router solicitation */ #define ND_ROUTER_ADVERT 134 /* router advertisement */ #define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */ #define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisement */ #define ND_REDIRECT 137 /* redirect */ #define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */ #define ICMP6_WRUREQUEST 139 /* who are you request */ #define ICMP6_WRUREPLY 140 /* who are you reply */ #define ICMP6_FQDN_QUERY 139 /* FQDN query */ #define ICMP6_FQDN_REPLY 140 /* FQDN reply */ #define ICMP6_NI_QUERY 139 /* node information request */ #define ICMP6_NI_REPLY 140 /* node information reply */ /* The definitions below are experimental. TBA */ #define MLD_MTRACE_RESP 200 /* mtrace response(to sender) */ #define MLD_MTRACE 201 /* mtrace messages */ #ifndef _KERNEL /* the followings are for backward compatibility to old KAME apps. */ #define MLD6_MTRACE_RESP MLD_MTRACE_RESP #define MLD6_MTRACE MLD_MTRACE #endif #define ICMP6_MAXTYPE 201 #define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */ #define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */ #define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */ #define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */ #define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */ #define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */ #define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */ #define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */ #define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */ #define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */ #define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */ #define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */ #define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */ #define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */ #define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */ #define ICMP6_NI_SUCCESS 0 /* node information successful reply */ #define ICMP6_NI_REFUSED 1 /* node information request is refused */ #define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */ #define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */ #define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */ #define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */ /* Used in kernel only */ #define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */ #define ND_REDIRECT_ROUTER 1 /* redirect to a better router */ /* * Multicast Listener Discovery */ struct mld_hdr { struct icmp6_hdr mld_icmp6_hdr; struct in6_addr mld_addr; /* multicast address */ } __packed; /* definitions to provide backward compatibility to old KAME applications */ #ifndef _KERNEL #define mld6_hdr mld_hdr #define mld6_type mld_type #define mld6_code mld_code #define mld6_cksum mld_cksum #define mld6_maxdelay mld_maxdelay #define mld6_reserved mld_reserved #define mld6_addr mld_addr #endif /* shortcut macro definitions */ #define mld_type mld_icmp6_hdr.icmp6_type #define mld_code mld_icmp6_hdr.icmp6_code #define mld_cksum mld_icmp6_hdr.icmp6_cksum #define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0] #define mld_reserved mld_icmp6_hdr.icmp6_data16[1] /* * Neighbor Discovery */ struct nd_router_solicit { /* router solicitation */ struct icmp6_hdr nd_rs_hdr; /* could be followed by options */ } __packed; #define nd_rs_type nd_rs_hdr.icmp6_type #define nd_rs_code nd_rs_hdr.icmp6_code #define nd_rs_cksum nd_rs_hdr.icmp6_cksum #define nd_rs_reserved nd_rs_hdr.icmp6_data32[0] struct nd_router_advert { /* router advertisement */ struct icmp6_hdr nd_ra_hdr; u_int32_t nd_ra_reachable; /* reachable time */ u_int32_t nd_ra_retransmit; /* retransmit timer */ /* could be followed by options */ } __packed; #define nd_ra_type nd_ra_hdr.icmp6_type #define nd_ra_code nd_ra_hdr.icmp6_code #define nd_ra_cksum nd_ra_hdr.icmp6_cksum #define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0] #define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1] #define ND_RA_FLAG_MANAGED 0x80 #define ND_RA_FLAG_OTHER 0x40 #define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1] struct nd_neighbor_solicit { /* neighbor solicitation */ struct icmp6_hdr nd_ns_hdr; struct in6_addr nd_ns_target; /*target address */ /* could be followed by options */ } __packed; #define nd_ns_type nd_ns_hdr.icmp6_type #define nd_ns_code nd_ns_hdr.icmp6_code #define nd_ns_cksum nd_ns_hdr.icmp6_cksum #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0] struct nd_neighbor_advert { /* neighbor advertisement */ struct icmp6_hdr nd_na_hdr; struct in6_addr nd_na_target; /* target address */ /* could be followed by options */ } __packed; #define nd_na_type nd_na_hdr.icmp6_type #define nd_na_code nd_na_hdr.icmp6_code #define nd_na_cksum nd_na_hdr.icmp6_cksum #define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0] #if _BYTE_ORDER == _BIG_ENDIAN #define ND_NA_FLAG_ROUTER 0x80000000 #define ND_NA_FLAG_SOLICITED 0x40000000 #define ND_NA_FLAG_OVERRIDE 0x20000000 #else #if _BYTE_ORDER == _LITTLE_ENDIAN #define ND_NA_FLAG_ROUTER 0x80 #define ND_NA_FLAG_SOLICITED 0x40 #define ND_NA_FLAG_OVERRIDE 0x20 #endif #endif struct nd_redirect { /* redirect */ struct icmp6_hdr nd_rd_hdr; struct in6_addr nd_rd_target; /* target address */ struct in6_addr nd_rd_dst; /* destination address */ /* could be followed by options */ } __packed; #define nd_rd_type nd_rd_hdr.icmp6_type #define nd_rd_code nd_rd_hdr.icmp6_code #define nd_rd_cksum nd_rd_hdr.icmp6_cksum #define nd_rd_reserved nd_rd_hdr.icmp6_data32[0] struct nd_opt_hdr { /* Neighbor discovery option header */ u_int8_t nd_opt_type; u_int8_t nd_opt_len; /* followed by option specific data*/ } __packed; #define ND_OPT_SOURCE_LINKADDR 1 #define ND_OPT_TARGET_LINKADDR 2 #define ND_OPT_PREFIX_INFORMATION 3 #define ND_OPT_REDIRECTED_HEADER 4 #define ND_OPT_MTU 5 struct nd_opt_prefix_info { /* prefix information */ u_int8_t nd_opt_pi_type; u_int8_t nd_opt_pi_len; u_int8_t nd_opt_pi_prefix_len; u_int8_t nd_opt_pi_flags_reserved; u_int32_t nd_opt_pi_valid_time; u_int32_t nd_opt_pi_preferred_time; u_int32_t nd_opt_pi_reserved2; struct in6_addr nd_opt_pi_prefix; } __packed; #define ND_OPT_PI_FLAG_ONLINK 0x80 #define ND_OPT_PI_FLAG_AUTO 0x40 struct nd_opt_rd_hdr { /* redirected header */ u_int8_t nd_opt_rh_type; u_int8_t nd_opt_rh_len; u_int16_t nd_opt_rh_reserved1; u_int32_t nd_opt_rh_reserved2; /* followed by IP header and data */ } __packed; struct nd_opt_mtu { /* MTU option */ u_int8_t nd_opt_mtu_type; u_int8_t nd_opt_mtu_len; u_int16_t nd_opt_mtu_reserved; u_int32_t nd_opt_mtu_mtu; } __packed; /* * icmp6 namelookup */ struct icmp6_namelookup { struct icmp6_hdr icmp6_nl_hdr; u_int8_t icmp6_nl_nonce[8]; int32_t icmp6_nl_ttl; #if 0 u_int8_t icmp6_nl_len; u_int8_t icmp6_nl_name[3]; #endif /* could be followed by options */ } __packed; /* * icmp6 node information */ struct icmp6_nodeinfo { struct icmp6_hdr icmp6_ni_hdr; u_int8_t icmp6_ni_nonce[8]; /* could be followed by reply data */ } __packed; #define ni_type icmp6_ni_hdr.icmp6_type #define ni_code icmp6_ni_hdr.icmp6_code #define ni_cksum icmp6_ni_hdr.icmp6_cksum #define ni_qtype icmp6_ni_hdr.icmp6_data16[0] #define ni_flags icmp6_ni_hdr.icmp6_data16[1] #define NI_QTYPE_NOOP 0 /* NOOP */ #define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */ #define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */ #define NI_QTYPE_DNSNAME 2 /* DNS Name */ #define NI_QTYPE_NODEADDR 3 /* Node Addresses */ #define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */ #if _BYTE_ORDER == _BIG_ENDIAN #define NI_SUPTYPE_FLAG_COMPRESS 0x1 #define NI_FQDN_FLAG_VALIDTTL 0x1 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define NI_SUPTYPE_FLAG_COMPRESS 0x0100 #define NI_FQDN_FLAG_VALIDTTL 0x0100 #endif #ifdef NAME_LOOKUPS_04 #if _BYTE_ORDER == _BIG_ENDIAN #define NI_NODEADDR_FLAG_LINKLOCAL 0x1 #define NI_NODEADDR_FLAG_SITELOCAL 0x2 #define NI_NODEADDR_FLAG_GLOBAL 0x4 #define NI_NODEADDR_FLAG_ALL 0x8 #define NI_NODEADDR_FLAG_TRUNCATE 0x10 #define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */ #elif _BYTE_ORDER == _LITTLE_ENDIAN #define NI_NODEADDR_FLAG_LINKLOCAL 0x0100 #define NI_NODEADDR_FLAG_SITELOCAL 0x0200 #define NI_NODEADDR_FLAG_GLOBAL 0x0400 #define NI_NODEADDR_FLAG_ALL 0x0800 #define NI_NODEADDR_FLAG_TRUNCATE 0x1000 #define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */ #endif #else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */ #if _BYTE_ORDER == _BIG_ENDIAN #define NI_NODEADDR_FLAG_TRUNCATE 0x1 #define NI_NODEADDR_FLAG_ALL 0x2 #define NI_NODEADDR_FLAG_COMPAT 0x4 #define NI_NODEADDR_FLAG_LINKLOCAL 0x8 #define NI_NODEADDR_FLAG_SITELOCAL 0x10 #define NI_NODEADDR_FLAG_GLOBAL 0x20 #define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */ #elif _BYTE_ORDER == _LITTLE_ENDIAN #define NI_NODEADDR_FLAG_TRUNCATE 0x0100 #define NI_NODEADDR_FLAG_ALL 0x0200 #define NI_NODEADDR_FLAG_COMPAT 0x0400 #define NI_NODEADDR_FLAG_LINKLOCAL 0x0800 #define NI_NODEADDR_FLAG_SITELOCAL 0x1000 #define NI_NODEADDR_FLAG_GLOBAL 0x2000 #define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */ #endif #endif struct ni_reply_fqdn { u_int32_t ni_fqdn_ttl; /* TTL */ u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */ u_int8_t ni_fqdn_name[3]; /* XXX: alignment */ } __packed; /* * Router Renumbering. as router-renum-08.txt */ struct icmp6_router_renum { /* router renumbering header */ struct icmp6_hdr rr_hdr; u_int8_t rr_segnum; u_int8_t rr_flags; u_int16_t rr_maxdelay; u_int32_t rr_reserved; } __packed; #define ICMP6_RR_FLAGS_TEST 0x80 #define ICMP6_RR_FLAGS_REQRESULT 0x40 #define ICMP6_RR_FLAGS_FORCEAPPLY 0x20 #define ICMP6_RR_FLAGS_SPECSITE 0x10 #define ICMP6_RR_FLAGS_PREVDONE 0x08 #define rr_type rr_hdr.icmp6_type #define rr_code rr_hdr.icmp6_code #define rr_cksum rr_hdr.icmp6_cksum #define rr_seqnum rr_hdr.icmp6_data32[0] struct rr_pco_match { /* match prefix part */ u_int8_t rpm_code; u_int8_t rpm_len; u_int8_t rpm_ordinal; u_int8_t rpm_matchlen; u_int8_t rpm_minlen; u_int8_t rpm_maxlen; u_int16_t rpm_reserved; struct in6_addr rpm_prefix; } __packed; #define RPM_PCO_ADD 1 #define RPM_PCO_CHANGE 2 #define RPM_PCO_SETGLOBAL 3 #define RPM_PCO_MAX 4 struct rr_pco_use { /* use prefix part */ u_int8_t rpu_uselen; u_int8_t rpu_keeplen; u_int8_t rpu_ramask; u_int8_t rpu_raflags; u_int32_t rpu_vltime; u_int32_t rpu_pltime; u_int32_t rpu_flags; struct in6_addr rpu_prefix; } __packed; #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80 #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40 #if _BYTE_ORDER == _BIG_ENDIAN #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000 #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80 #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40 #endif struct rr_result { /* router renumbering result message */ u_int16_t rrr_flags; u_int8_t rrr_ordinal; u_int8_t rrr_matchedlen; u_int32_t rrr_ifid; struct in6_addr rrr_prefix; } __packed; #if _BYTE_ORDER == _BIG_ENDIAN #define ICMP6_RR_RESULT_FLAGS_OOB 0x0002 #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001 #elif _BYTE_ORDER == _LITTLE_ENDIAN #define ICMP6_RR_RESULT_FLAGS_OOB 0x0200 #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100 #endif /* * icmp6 filter structures. */ struct icmp6_filter { u_int32_t icmp6_filt[8]; }; #define ICMP6_FILTER_SETPASS(type, filterp) \ (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31))) #define ICMP6_FILTER_SETBLOCK(type, filterp) \ (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))) #define ICMP6_FILTER_WILLPASS(type, filterp) \ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0) #define ICMP6_FILTER_WILLBLOCK(type, filterp) \ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0) /* * Variables related to this implementation * of the internet control message protocol version 6. */ struct icmp6errstat { u_int64_t icp6errs_dst_unreach_noroute; u_int64_t icp6errs_dst_unreach_admin; u_int64_t icp6errs_dst_unreach_beyondscope; u_int64_t icp6errs_dst_unreach_addr; u_int64_t icp6errs_dst_unreach_noport; u_int64_t icp6errs_packet_too_big; u_int64_t icp6errs_time_exceed_transit; u_int64_t icp6errs_time_exceed_reassembly; u_int64_t icp6errs_paramprob_header; u_int64_t icp6errs_paramprob_nextheader; u_int64_t icp6errs_paramprob_option; u_int64_t icp6errs_redirect; /* we regard redirect as an error here */ u_int64_t icp6errs_unknown; }; struct icmp6stat { /* statistics related to icmp6 packets generated */ u_int64_t icp6s_error; /* # of calls to icmp6_error */ u_int64_t icp6s_canterror; /* no error because old was icmp */ u_int64_t icp6s_toofreq; /* no error because rate limitation */ u_int64_t icp6s_outhist[256]; /* statistics related to input message processed */ u_int64_t icp6s_badcode; /* icmp6_code out of range */ u_int64_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */ u_int64_t icp6s_checksum; /* bad checksum */ u_int64_t icp6s_badlen; /* calculated bound mismatch */ /* * number of responses: this member is inherited from netinet code, but * for netinet6 code, it is already available in icp6s_outhist[]. */ u_int64_t icp6s_reflect; u_int64_t icp6s_inhist[256]; u_int64_t icp6s_nd_toomanyopt; /* too many ND options */ struct icmp6errstat icp6s_outerrhist; #define icp6s_odst_unreach_noroute \ icp6s_outerrhist.icp6errs_dst_unreach_noroute #define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin #define icp6s_odst_unreach_beyondscope \ icp6s_outerrhist.icp6errs_dst_unreach_beyondscope #define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr #define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport #define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big #define icp6s_otime_exceed_transit \ icp6s_outerrhist.icp6errs_time_exceed_transit #define icp6s_otime_exceed_reassembly \ icp6s_outerrhist.icp6errs_time_exceed_reassembly #define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header #define icp6s_oparamprob_nextheader \ icp6s_outerrhist.icp6errs_paramprob_nextheader #define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option #define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect #define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown u_int64_t icp6s_pmtuchg; /* path MTU changes */ u_int64_t icp6s_nd_badopt; /* bad ND options */ u_int64_t icp6s_badns; /* bad neighbor solicitation */ u_int64_t icp6s_badna; /* bad neighbor advertisement */ u_int64_t icp6s_badrs; /* bad router advertisement */ u_int64_t icp6s_badra; /* bad router advertisement */ u_int64_t icp6s_badredirect; /* bad redirect message */ }; /* * Names for ICMP sysctl objects */ #define ICMPV6CTL_STATS 1 #define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */ #define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */ #if 0 /*obsoleted*/ #define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */ #endif #define ICMPV6CTL_ND6_PRUNE 6 #define ICMPV6CTL_ND6_DELAY 8 #define ICMPV6CTL_ND6_UMAXTRIES 9 #define ICMPV6CTL_ND6_MMAXTRIES 10 #define ICMPV6CTL_ND6_USELOOPBACK 11 /*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */ #define ICMPV6CTL_NODEINFO 13 #define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */ #define ICMPV6CTL_ND6_MAXNUDHINT 15 #define ICMPV6CTL_MTUDISC_HIWAT 16 #define ICMPV6CTL_MTUDISC_LOWAT 17 #define ICMPV6CTL_ND6_DEBUG 18 #define ICMPV6CTL_ND6_DRLIST 19 #define ICMPV6CTL_ND6_PRLIST 20 #define ICMPV6CTL_MAXID 21 #define ICMPV6CTL_NAMES { \ { 0, 0 }, \ { 0, 0 }, \ { "rediraccept", CTLTYPE_INT }, \ { "redirtimeout", CTLTYPE_INT }, \ { 0, 0 }, \ { 0, 0 }, \ { "nd6_prune", CTLTYPE_INT }, \ { 0, 0 }, \ { "nd6_delay", CTLTYPE_INT }, \ { "nd6_umaxtries", CTLTYPE_INT }, \ { "nd6_mmaxtries", CTLTYPE_INT }, \ { "nd6_useloopback", CTLTYPE_INT }, \ { 0, 0 }, \ { "nodeinfo", CTLTYPE_INT }, \ { "errppslimit", CTLTYPE_INT }, \ { "nd6_maxnudhint", CTLTYPE_INT }, \ { "mtudisc_hiwat", CTLTYPE_INT }, \ { "mtudisc_lowat", CTLTYPE_INT }, \ { "nd6_debug", CTLTYPE_INT }, \ { 0, 0 }, \ { 0, 0 }, \ } #define ICMPV6CTL_VARS { \ NULL, \ NULL, \ &icmp6_rediraccept, \ &icmp6_redirtimeout, \ NULL, \ NULL, \ &nd6_prune, \ NULL, \ &nd6_delay, \ &nd6_umaxtries, \ &nd6_mmaxtries, \ &nd6_useloopback, \ NULL, \ &icmp6_nodeinfo, \ &icmp6errppslim, \ &nd6_maxnudhint, \ &icmp6_mtudisc_hiwat, \ &icmp6_mtudisc_lowat, \ &nd6_debug, \ NULL, \ NULL, \ } #define RTF_PROBEMTU RTF_PROTO1 #endif /* _NETINET_ICMP6_H_ */ onioncat-0.2.2.r559/src/cygwin/openbsd_netinet_if_ether.h100644 001750 001750 00000020701 12074464217 0017026/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! This file is taken originally from OpenBSD and has been truncated * by unnecessary code lines within this context. */ /* $OpenBSD: if_ether.h,v 1.40 2008/04/18 09:16:14 djm Exp $ */ /* $NetBSD: if_ether.h,v 1.22 1996/05/11 13:00:00 mycroft Exp $ */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET_IF_ETHER_H_ #define _NETINET_IF_ETHER_H_ /* * Some basic Ethernet constants. */ #define ETHER_ADDR_LEN 6 /* Ethernet address length */ #define ETHER_TYPE_LEN 2 /* Ethernet type field length */ #define ETHER_CRC_LEN 4 /* Ethernet CRC length */ #define ETHER_HDR_LEN ((ETHER_ADDR_LEN * 2) + ETHER_TYPE_LEN) #define ETHER_MIN_LEN 64 /* Minimum frame length, CRC included */ #define ETHER_MAX_LEN 1518 /* Maximum frame length, CRC included */ #define ETHER_MAX_DIX_LEN 1536 /* Maximum DIX frame length */ /* * Some Ethernet extensions. */ #define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */ /* * Mbuf adjust factor to force 32-bit alignment of IP header. * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a * receive so the upper layers get the IP header properly aligned * past the 14-byte Ethernet header. */ #define ETHER_ALIGN 2 /* driver adjust for IP hdr alignment */ /* * Ethernet address - 6 octets */ struct ether_addr { u_int8_t ether_addr_octet[ETHER_ADDR_LEN]; }; /* * The length of the combined header. */ struct ether_header { u_int8_t ether_dhost[ETHER_ADDR_LEN]; u_int8_t ether_shost[ETHER_ADDR_LEN]; u_int16_t ether_type; }; #define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ #define ETHERMTU (ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) #define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) /* * Ethernet CRC32 polynomials (big- and little-endian verions). */ #define ETHER_CRC_POLY_LE 0xedb88320 #define ETHER_CRC_POLY_BE 0x04c11db6 /* * Ethernet-specific mbuf flags. */ #define M_HASFCS M_LINK0 /* FCS included at end of frame */ #if 0 /* * Ethernet Address Resolution Protocol. * * See RFC 826 for protocol description. Structure below is adapted * to resolving internet addresses. Field names used correspond to * RFC 826. */ struct ether_arp { struct arphdr ea_hdr; /* fixed-size header */ u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */ u_int8_t arp_spa[4]; /* sender protocol address */ u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */ u_int8_t arp_tpa[4]; /* target protocol address */ }; #define arp_hrd ea_hdr.ar_hrd #define arp_pro ea_hdr.ar_pro #define arp_hln ea_hdr.ar_hln #define arp_pln ea_hdr.ar_pln #define arp_op ea_hdr.ar_op /* * Structure shared between the ethernet driver modules and * the address resolution code. For example, each ec_softc or il_softc * begins with this structure. */ struct arpcom { struct ifnet ac_if; /* network-visible interface */ u_int8_t ac_enaddr[ETHER_ADDR_LEN]; /* ethernet hardware address */ char ac__pad[2]; /* pad for some machines */ LIST_HEAD(, ether_multi) ac_multiaddrs; /* list of multicast addrs */ int ac_multicnt; /* length of ac_multiaddrs */ int ac_multirangecnt; /* number of mcast ranges */ }; struct llinfo_arp { LIST_ENTRY(llinfo_arp) la_list; struct rtentry *la_rt; struct mbuf *la_hold; /* last packet until resolved/timeout */ long la_asked; /* last time we QUERIED for this addr */ #define la_timer la_rt->rt_rmx.rmx_expire /* deletion time in seconds */ }; struct sockaddr_inarp { u_int8_t sin_len; u_int8_t sin_family; u_int16_t sin_port; struct in_addr sin_addr; struct in_addr sin_srcaddr; u_int16_t sin_tos; u_int16_t sin_other; #define SIN_PROXY 1 }; #endif /* * IP and ethernet specific routing flags */ #define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ #define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ #define RTF_PERMANENT_ARP RTF_PROTO3 /* only manual overwrite of entry */ /* * Ethernet multicast address structure. There is one of these for each * multicast address or range of multicast addresses that we are supposed * to listen to on a particular interface. They are kept in a linked list, * rooted in the interface's arpcom structure. (This really has nothing to * do with ARP, or with the Internet address family, but this appears to be * the minimally-disrupting place to put it.) */ struct ether_multi { u_int8_t enm_addrlo[ETHER_ADDR_LEN]; /* low or only address of range */ u_int8_t enm_addrhi[ETHER_ADDR_LEN]; /* high or only address of range */ struct arpcom *enm_ac; /* back pointer to arpcom */ u_int enm_refcount; /* no. claims to this addr/range */ LIST_ENTRY(ether_multi) enm_list; }; /* * Structure used by macros below to remember position when stepping through * all of the ether_multi records. */ struct ether_multistep { struct ether_multi *e_enm; }; /* * Macro for looking up the ether_multi record for a given range of Ethernet * multicast addresses connected to a given arpcom structure. If no matching * record is found, "enm" returns NULL. */ #define ETHER_LOOKUP_MULTI(addrlo, addrhi, ac, enm) \ /* u_int8_t addrlo[ETHER_ADDR_LEN]; */ \ /* u_int8_t addrhi[ETHER_ADDR_LEN]; */ \ /* struct arpcom *ac; */ \ /* struct ether_multi *enm; */ \ { \ for ((enm) = LIST_FIRST(&(ac)->ac_multiaddrs); \ (enm) != LIST_END(&(ac)->ac_multiaddrs) && \ (bcmp((enm)->enm_addrlo, (addrlo), ETHER_ADDR_LEN) != 0 || \ bcmp((enm)->enm_addrhi, (addrhi), ETHER_ADDR_LEN) != 0); \ (enm) = LIST_NEXT((enm), enm_list)); \ } /* * Macro to step through all of the ether_multi records, one at a time. * The current position is remembered in "step", which the caller must * provide. ETHER_FIRST_MULTI(), below, must be called to initialize "step" * and get the first record. Both macros return a NULL "enm" when there * are no remaining records. */ #define ETHER_NEXT_MULTI(step, enm) \ /* struct ether_multistep step; */ \ /* struct ether_multi *enm; */ \ { \ if (((enm) = (step).e_enm) != NULL) \ (step).e_enm = LIST_NEXT((enm), enm_list); \ } #define ETHER_FIRST_MULTI(step, ac, enm) \ /* struct ether_multistep step; */ \ /* struct arpcom *ac; */ \ /* struct ether_multi *enm; */ \ { \ (step).e_enm = LIST_FIRST(&(ac)->ac_multiaddrs); \ ETHER_NEXT_MULTI((step), (enm)); \ } #endif /* _NETINET_IF_ETHER_H_ */ onioncat-0.2.2.r559/src/cygwin/openbsd_netinet_ip6.h100644 001750 001750 00000023116 12074464220 0015734/* Copyright 2008-2009 Bernhard R. Fischer. * * This file is part of OnionCat. * * OnionCat 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, version 3 of the License. * * OnionCat 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 OnionCat. If not, see . */ /*! This file is taken originally from OpenBSD and has been truncated * by unnecessary code lines within this context. */ /* $OpenBSD: ip6.h,v 1.18 2006/12/09 01:12:28 itojun Exp $ */ /* $KAME: ip6.h,v 1.45 2003/06/05 04:46:38 keiichi Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET_IP6_H_ #define _NETINET_IP6_H_ /* * Definition for internet protocol version 6. * RFC 2460 */ struct ip6_hdr { union { struct ip6_hdrctl { u_int32_t ip6_un1_flow; /* 20 bits of flow-ID */ u_int16_t ip6_un1_plen; /* payload length */ u_int8_t ip6_un1_nxt; /* next header */ u_int8_t ip6_un1_hlim; /* hop limit */ } ip6_un1; u_int8_t ip6_un2_vfc; /* 4 bits version, top 4 bits class */ } ip6_ctlun; struct in6_addr ip6_src; /* source address */ struct in6_addr ip6_dst; /* destination address */ } __packed; #define ip6_vfc ip6_ctlun.ip6_un2_vfc #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim #define IPV6_VERSION 0x60 #define IPV6_VERSION_MASK 0xf0 #if _BYTE_ORDER == _BIG_ENDIAN #define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ #define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ #else #if _BYTE_ORDER == _LITTLE_ENDIAN #define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ #define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ #endif /* _LITTLE_ENDIAN */ #endif #if 1 /* ECN bits proposed by Sally Floyd */ #define IP6TOS_CE 0x01 /* congestion experienced */ #define IP6TOS_ECT 0x02 /* ECN-capable transport */ #endif /* * Extension Headers */ struct ip6_ext { u_int8_t ip6e_nxt; u_int8_t ip6e_len; } __packed; /* Hop-by-Hop options header */ /* XXX should we pad it to force alignment on an 8-byte boundary? */ struct ip6_hbh { u_int8_t ip6h_nxt; /* next header */ u_int8_t ip6h_len; /* length in units of 8 octets */ /* followed by options */ } __packed; /* Destination options header */ /* XXX should we pad it to force alignment on an 8-byte boundary? */ struct ip6_dest { u_int8_t ip6d_nxt; /* next header */ u_int8_t ip6d_len; /* length in units of 8 octets */ /* followed by options */ } __packed; /* Option types and related macros */ #define IP6OPT_PAD1 0x00 /* 00 0 00000 */ #define IP6OPT_PADN 0x01 /* 00 0 00001 */ #define IP6OPT_JUMBO 0xC2 /* 11 0 00010 = 194 */ #define IP6OPT_NSAP_ADDR 0xC3 /* 11 0 00011 */ #define IP6OPT_TUNNEL_LIMIT 0x04 /* 00 0 00100 */ #define IP6OPT_ROUTER_ALERT 0x05 /* 00 0 00101 (RFC3542, recommended) */ #define IP6OPT_RTALERT_LEN 4 #define IP6OPT_RTALERT_MLD 0 /* Datagram contains an MLD message */ #define IP6OPT_RTALERT_RSVP 1 /* Datagram contains an RSVP message */ #define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */ #define IP6OPT_MINLEN 2 #define IP6OPT_TYPE(o) ((o) & 0xC0) #define IP6OPT_TYPE_SKIP 0x00 #define IP6OPT_TYPE_DISCARD 0x40 #define IP6OPT_TYPE_FORCEICMP 0x80 #define IP6OPT_TYPE_ICMP 0xC0 #define IP6OPT_MUTABLE 0x20 /* IPv6 options: common part */ struct ip6_opt { u_int8_t ip6o_type; u_int8_t ip6o_len; } __packed; /* Jumbo Payload Option */ struct ip6_opt_jumbo { u_int8_t ip6oj_type; u_int8_t ip6oj_len; u_int8_t ip6oj_jumbo_len[4]; } __packed; #define IP6OPT_JUMBO_LEN 6 /* NSAP Address Option */ struct ip6_opt_nsap { u_int8_t ip6on_type; u_int8_t ip6on_len; u_int8_t ip6on_src_nsap_len; u_int8_t ip6on_dst_nsap_len; /* followed by source NSAP */ /* followed by destination NSAP */ } __packed; /* Tunnel Limit Option */ struct ip6_opt_tunnel { u_int8_t ip6ot_type; u_int8_t ip6ot_len; u_int8_t ip6ot_encap_limit; } __packed; /* Router Alert Option */ struct ip6_opt_router { u_int8_t ip6or_type; u_int8_t ip6or_len; u_int8_t ip6or_value[2]; } __packed; /* Router alert values (in network byte order) */ #if _BYTE_ORDER == _BIG_ENDIAN #define IP6_ALERT_MLD 0x0000 #define IP6_ALERT_RSVP 0x0001 #define IP6_ALERT_AN 0x0002 #else #if _BYTE_ORDER == _LITTLE_ENDIAN #define IP6_ALERT_MLD 0x0000 #define IP6_ALERT_RSVP 0x0100 #define IP6_ALERT_AN 0x0200 #endif /* _LITTLE_ENDIAN */ #endif /* Routing header */ struct ip6_rthdr { u_int8_t ip6r_nxt; /* next header */ u_int8_t ip6r_len; /* length in units of 8 octets */ u_int8_t ip6r_type; /* routing type */ u_int8_t ip6r_segleft; /* segments left */ /* followed by routing type specific data */ } __packed; /* Type 0 Routing header */ struct ip6_rthdr0 { u_int8_t ip6r0_nxt; /* next header */ u_int8_t ip6r0_len; /* length in units of 8 octets */ u_int8_t ip6r0_type; /* always zero */ u_int8_t ip6r0_segleft; /* segments left */ u_int32_t ip6r0_reserved; /* reserved field */ } __packed; /* Fragment header */ struct ip6_frag { u_int8_t ip6f_nxt; /* next header */ u_int8_t ip6f_reserved; /* reserved field */ u_int16_t ip6f_offlg; /* offset, reserved, and flag */ u_int32_t ip6f_ident; /* identification */ } __packed; #if _BYTE_ORDER == _BIG_ENDIAN #define IP6F_OFF_MASK 0xfff8 /* mask out offset from _offlg */ #define IP6F_RESERVED_MASK 0x0006 /* reserved bits in ip6f_offlg */ #define IP6F_MORE_FRAG 0x0001 /* more-fragments flag */ #else /* _BYTE_ORDER == _LITTLE_ENDIAN */ #define IP6F_OFF_MASK 0xf8ff /* mask out offset from _offlg */ #define IP6F_RESERVED_MASK 0x0600 /* reserved bits in ip6f_offlg */ #define IP6F_MORE_FRAG 0x0100 /* more-fragments flag */ #endif /* _BYTE_ORDER == _LITTLE_ENDIAN */ /* * Internet implementation parameters. */ #define IPV6_MAXHLIM 255 /* maximum hoplimit */ #define IPV6_DEFHLIM 64 /* default hlim */ #define IPV6_FRAGTTL 120 /* ttl for fragment packets, in slowtimo tick */ #define IPV6_HLIMDEC 1 /* subtracted when forwarding */ #define IPV6_MMTU 1280 /* minimal MTU and reassembly. 1024 + 256 */ #define IPV6_MAXPACKET 65535 /* ip6 max packet size without Jumbo payload*/ #endif /* _NETINET_IP6_H_ */ onioncat-0.2.2.r559/src/cygwin/Makefile.am100644 001750 001750 00000000151 12074464217 0013661noinst_HEADERS = ocat_cygwin.h openbsd_netinet_icmp6.h openbsd_netinet_if_ether.h openbsd_netinet_ip6.h onioncat-0.2.2.r559/src/cygwin/Makefile.in100644 001750 001750 00000026644 12165256262 0013711# Makefile.in generated by automake 1.11.5 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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Fischer, Daniel Haslinger. .\" .\" This file is part of OnionCat. .\" .\" OnionCat 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, version 3 of the License. .\" .\" OnionCat 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 OnionCat. If not, see . .\" .TH OCAT 1 2009-11-15 "ocat" "OnionCat User's Manual" .SH NAME ocat \- OnionCat creates a transparent IPv6 layer on top of Tor's hidden services. .br gcat \- GarliCat is like OnionCat but it works with I2P instead of Tor. .SH SYNOPSIS .B ocat \-i \fIonion_id (1st form)\fP .br .B ocat \-o \fIIPv6_address (2nd form)\fP .br .B ocat [\fIOPTION\fP] \fIonion_id (3rd form)\fP .br .B ocat \-R [\fIOPTION\fP]\fI (4th form)\fP .br .B gcat [\fIOPTION\fP] \fIi2p_id (5th form)\fP .br .SH DESCRIPTION OnionCat creates a transparent IPv6 layer on top of Tor's hidden services or I2P's tunnels. It transmits any kind of IP-based data transparently through the Tor/I2P network on a location hidden basis. You can think of it as a peer-to-peer VPN between hidden services. OnionCat is a stand-alone application which runs in userland and is a connector between Tor/I2P and the local OS. Any protocol which is based on IP can be transmitted. Of course, UDP and TCP (and probably ICMP) are the most important ones but all other protocols can also be forwarded through it. OnionCat opens a TUN device and assigns an IPv6 address to it. All packets forwarded to the TUN device by the kernel are forwarded by OnionCat to other OnionCats listening on Tor's hidden service ports or I2P's server tunnels. The IPv6 address depends on the \fIonion_id\fP or the i2p_id, respectively. The \fIonion_id\fP is the hostname of the locally configured hidden service (see \fBtor(8)\fP). Depending on the configuration of Tor the \fIonion_id\fP usually can be found at \fI/var/lib/tor/hidden_service/hostname\fP or similar location. The \fIi2p_id\fP is the 80 bit long Base32 encoded hostname of the I2P server tunnel. .SS OPTIONS .TP \fB\-4\fP Enable IPv4 forwarding. See http://www.cypherpunk.at/onioncat/wiki/IPv4 for further information on IPv4. .br Native IPv4 forwarding is deprecated. The recommended solution for IPv4 forwarding is to build a IPv4-through-IPv6 tunnel through OnionCat. .TP \fB\-a\fP OnionCat creates a log file at $HOME/.ocat/connect_log. All incoming connects are logged to that file. $HOME is determined from the user under which OnionCat runs (see option \-u). .TP \fB\-b\fP Run OnionCat in background. This is default. OnionCat will detach from a running shell and close standard IO if no log file is given with option \-L. .TP \fB\-B\fP Run OnionCat in foreground. OnionCat will log to stderr by default. .TP \fB\-C\fP Disable the local controller interface. The controller interfaces listens on localhost (127.0.0.1 and ::1 port 8066) for incoming connections. It's currently used for debugging purpose and not thread-safe and does not have any kind of authentication or authorization mechanism. Hence, it should not be used in production environments. .TP \fB\-d\fP \fIn\fP Set debug level to \fIn\fP. Default = 7 which is maximum. Debug output will only be created if OnionCat was compiled with option DEBUG (i.e. configure was run with option \-\-enable\-debug). .TP \fB\-f\fP \fIconfig file\fP Read initial configuration from \fIconfig file\fP. .TP \fB\-h\fP Display short usage message and shows options. .TP \fB\-i\fP Convert \fIonion_id\fP to IPv6 address and exit. .TP \fB\-I\fP Run OnionCat in GarliCat mode. Using this option is identical to running OnionCat with the command name \fBgcat\fP. .TP \fB\-l\fP \fI[ip:]port\fP Bind Onioncat to specific \fIip \fP and/or \fIport\fP number for incoming connections. It defaults to 127.0.0.1:8060. This option could be set multiple times. IPv6 addresses must be given in square brackets. .br The parameter \fI"none"\fP deactivates the listener completely. This is for special purpose only and shall not be used in regular operation. .TP \fB\-L\fP \fIlog_file\fP Log output to \fIlog_file\fP. If option is omitted, OnionCat logs to syslog if running in background or to stderr if running in foreground. If syslogging is desired while running in foreground, specify the special file name "syslog" as log file. .TP \fB\-o\fP \fIIPv6 address\fP Convert \fIIPv6 address\fP to \fIonion_id\fP and exit program. .TP \fB\-p\fP Use TAP device instead of TUN device. There are a view differences. See \fBTAP DEVICE\fP later. .TP \fB\-P\fP \fI[pid file]\fP Create \fIpid file\fP at \fIpid_file\fP. If the option parameter is omitted OC will create a pid file at \fB/var/run/ocat.pid\fP. In the latter case it MUST NOT be the last option in the list of options. .TP \fB\-r\fP Run OnionCat as root and do not change user id (see option \fB\-u\fP). .TP \fB\-R\fP Use this option only if you really know what you do! OnionCat generates a random local onion_id. With this option it is not necessary to add a hidden service to the Tor configuration file \fBtorrc\fP. One might use OnionCat services within Tor as usually but it is NOT possible to receive incoming connections. If you plan to also receive connections (e.g. because you provide a service or you use software which opens sockets for incoming connections like Bitorrent) you MUST configure a hidden service and supply its hostname to OnionCat on the command line. Please note that this option does only work if the remote OC does not run in unidirectional mode which is default since SVN version 555 (see option \fB\-U\fP). .TP \fB\-s\fP \fIport\fP Set OnionCat's virtual hidden service port to \fIport\fP. This should usually not be changed. .TP \fB\-t\fP \fI(IP|[IP:]port)\fP Set Tor SOCKS \fIIP\fP and/or \fIport\fP. If no \fIIP\fP is specified 127.0.0.1 will be used, if no \fIport\fP is specified 9050 will be used as defaults. IPv6 addresses must be escaped by square brackets. .br The special parameter \fI"none"\fP disables OnionCat from making outbound connections. This shall be used only in special test scenarios. .TP \fB\-T\fP \fItun_dev\fP TUN device file to open for creation of TUN interface. It defaults to /dev/net/tun on Linux and /dev/tun0 on most other OSes, or /dev/tap0 if TAP mode is in use. Setup of a TUN device needs root permissions. OnionCat automatically changes userid after the TUN device is set up correctly. .TP \fB\-U\fP Deactivate unidirectional mode. Before SVN version 555 OnionCat ran only in bidirectional mode. This is that a connection to another OC was used for outgoing \fIand\fP incoming packets. Since this could be a security risk under certain conditions, unidirectional mode was implemented in SVN r555 and set to default. With this option bidirectional mode can be enabled again. Please note that this does not interoperate with option \fB\-R\fP if the remote OC is working in unidirectional mode. .TP \fB\-u\fP \fIusername\fP \fIusername\fP under which ocat should run. The uid is changed as soon as possible after tun device setup. .SS TAP DEVICE Usually OnionCat opens a TUN device which is a layer 3 interface. With option \fB\-p\fP OnionCat opens a TAP device instead which is a virtual ethernet (layer 2) interface. .SH NOTES This man page is still not finished... .SH FILES $HOME/.ocat/connect_log .SH AUTHOR Concepts, software, and man page written by Bernhard R. Fischer . Package maintenance and additional support by Ferdinand Haselbacher, Daniel Haslinger , and Wim Gaethofs. .SH "SEE ALSO" OnionCat project page http://www.cypherpunk.at/onioncat/ Tor project homepage http://www.torproject.org/ I2P project homepage http://www.i2p2.de/ .SH COPYRIGHT Copyright 2008-2009 Bernhard R. Fischer. This file is part of OnionCat. OnionCat 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, version 3 of the License. OnionCat 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 OnionCat. If not, see . onioncat-0.2.2.r559/i2p/Garlicat-HOWTO100644 001750 001750 00000010355 12074464234 0012605GarliCat HOWTO This is a quick introduction into setting up I2P for GarliCat. It is assumed that you already have installed I2P. This HOWTO is based on I2P version 0.7.7-0. 1 DOWNLOAD First get the GarliCat branch of OnionCat 0.2.0, revision 529 or higher. It is found here: http://www.cypherpunk.at/ocat/download/Source/0.2.0/unofficial 2 COMPILE AND INSTALL Unpack it, change into the directory and run './configure', 'make' and 'make install'. If something goes wrong, read the error messages and try to fix the problem. 3 CONFIGURE I2P GarliCat is able to connect to other GarliCats and lets others to connect to you, hence, the GarliCat software contains a server and a client part. Thus you must configure a server and a client tunnel on your I2P router. The server is the "incoming" part. I2P will assign an ID (a key) to it which is unique for your server tunnel and your GarliCat, respectively. This ID is directly translated into an IPv6 address, hence, also this IPv6 address is unique to your GarliCat. 3.1 CONFIGURE SERVER TUNNEL Open the I2P router console in your browser (http://127.0.0.1:7657/) and go to "LOCAL DESTINATIONS" which is found at the bottom of the menu bar on the left side. The "I2P Tunnel Page" (http://127.0.0.1:7657/i2ptunnel/) will open. In the bottom right corner of the "I2P SERVER TUNNELS" box select "Standard" (which should be selected by default) and click "Create". A new page opens. On top enter a name, e.g. "GarliCat Incoming". Select the "Autostart" checkbox. In the text field "Port" which is marked as required enter the port number 8061. Scroll to the bottom and press "Save". 3.2 CONFIGURE CLIENT TUNNEL In the bottom right corner of the "I2P CLIENT TUNNELS" box select "SOCKS 4/4a/5" and press "Create". A new page opens. On top enter a name, e.g. "GarliCat Outgoing". In the "Port" field which is marked as required enter the port number 9051. Check the "Autostart" checkbox. Scroll down and press "Save". 3.3 FIGURE OUT _YOUR_ GARLICAT I2P-ID On the "i2ptunnel page" (http://127.0.0.1:7657/i2ptunnel/) -- you should already be on this page after the last step of 3.2 -- you should see your "GarliCat Inbound" tunnel in the "I2P SERVER TUNNELS" box. It lists a string called "Base32 Address". Copy this string to a file. Truncate it to 16 characters and append the domain ".oc.b32.i2p". The result is your GarliCat I2P-ID. Example: Base32 Address: ktmhezukbp6jyuldedcjmso6p4e6aegeikqli2mne67hnttgmvfa.b32.i2p GarliCat I2P-ID: ktmhezukbp6jyuld.oc.b32.i2p Your I2P router is now ready. 4 RUN GARLICAT Your Garlicat I2P-ID is directly convertable into an IPv6 address and vice versa by Garlicat. You can test if you figured out your GC I2P-ID correct by running `gcat -i `. It should output an (your) IPv6 address. Now start Garlicat as root and give your I2P-ID as a single parameter: `gcat ` (Note: GarliCat will immediately drop root privileges after initialization). You may have a look at the log files. By default, GarliCat logs to syslog with facility "daemon". If everything works you should now have a tunnel device (`ifconfig`) having your IPv6 address configure. You should be able to ping to your own address by running `ping6 `. 5 TELL I2P FROM OTHER GARLICATS Basically everything is ready now but you need to enter the I2P-IDs and keys from others that you want to connect to to your I2P address book. The best way to do this is using SusiDNS. If you want to connect to someone else's GarliCat you first need to receive his GarliCat IPv6 address, his I2P-ID, and his key. Then go to your Susi-DNS page (click on "Addressbook" on your I2P Router console) and add a new entry being the I2P-ID the name. Test if it works. Simply try to ping to the IPv6 address. (NOTE: THERE MAY BE BETTER OPTIONS BUT THIS SECTION WAS WRITTEN BY SOMEONE WHO DOES NOT NO TOO MUCH DETAILS ABOUT SUSIDNS, YET. SORRY.) A APPENDIX What is the difference between OnionCat and GarliCat? OC and GC is basically the same. They completely share the code base. The difference just lies in port numbers and the domain extensions which are specific for Tor (.onion) and I2P (.oc.b32.i2p), respectively. OC and GC can run in parallel on a host. B AUTHOR This HOWTO was written by Bernhard R. 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use CGI qw(:standard); use MIME::Base64; use Convert::Base32; use Digest::SHA qw(sha256); use Digest::SHA qw(sha256_hex); my $hosthash; # load the whole db into memory sub loadhosts { my $hostcount = 0; open(local *STATLIST, "hosts.txt") or die "Can't access hosts.txt!"; while () { my $name; my $key; my $restofline; ($name,$restofline) = split(/=/); $key = $restofline; $name = lc($name); chomp($key); $hosthash->{$name} = $key; $hostcount++; } close STATLIST; } sub printhosts { my @sorted = keys %$hosthash; my $name; foreach $name (@sorted) { my $b64 = $hosthash->{$name}; $b64 =~ s/-/+/g; $b64 =~ s/~/\//g; my $decoded = decode_base64($b64); my $hash=sha256($decoded); my $hexhash = sha256_hex($decoded); my $encoded = encode_base32($hash); print "#" . $name . " fd60:db4d:ddb5"; for (my $i = 0; $i < 20; $i += 4) { printf(":%s", substr($hexhash, $i, 4)); } print " " . $encoded . ".b32.i2p\n"; print substr($encoded, 0, 16) . ".oc.b32.i2p=" . $hosthash->{$name} . "\n"; } return 0; } loadhosts(); printhosts();