X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Ftincd.c;h=2e44d2ccedacd0cc695867bb084906470f908644;hp=4b303622bedff7fbd21a0f4f36fe2109a9843a38;hb=0912260755021b9b836830dd99ae128c5fd912d9;hpb=fcbe29bc4cc67530581a36cf1a3a1445c741b8e5 diff --git a/src/tincd.c b/src/tincd.c index 4b303622..2e44d2cc 100644 --- a/src/tincd.c +++ b/src/tincd.c @@ -1,7 +1,7 @@ /* tincd.c -- the main file for tincd - Copyright (C) 1998-2003 Ivo Timmermans - 2000-2003 Guus Sliepen + Copyright (C) 1998-2005 Ivo Timmermans + 2000-2005 Guus Sliepen 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 @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: tincd.c,v 1.10.4.79 2003/07/30 11:50:45 guus Exp $ + $Id$ */ #include "system.h" @@ -35,12 +35,15 @@ #include #include #include +#include #include #include +#include "pidfile.h" #include "conf.h" +#include "device.h" #include "logger.h" #include "net.h" #include "netutl.h" @@ -77,7 +80,8 @@ char *identname = NULL; /* program name for syslog */ char *pidfilename = NULL; /* pid file location */ char *logfilename = NULL; /* log file location */ char **g_argv; /* a copy of the cmdline arguments */ -char **environment; /* A pointer to the environment on startup */ + +static int status; static struct option const long_options[] = { {"config", required_argument, NULL, 'c'}, @@ -117,13 +121,11 @@ static void usage(bool status) " --pidfile=FILENAME Write PID to FILENAME.\n" " --help Display this help and exit.\n" " --version Output version information and exit.\n\n")); - printf(_("Report bugs to tinc@nl.linux.org.\n")); + printf(_("Report bugs to tinc@tinc-vpn.org.\n")); } - - exit(status); } -static void parse_options(int argc, char **argv, char **envp) +static bool parse_options(int argc, char **argv) { int r; int option_index = 0; @@ -178,10 +180,13 @@ static void parse_options(int argc, char **argv, char **envp) fprintf(stderr, _("Invalid argument `%s'; SIGNAL must be a number or one of HUP, TERM, KILL, USR1, USR2, WINCH, INT or ALRM.\n"), optarg); usage(true); + return false; } } } else kill_tincd = SIGTERM; +#else + kill_tincd = 1; #endif break; @@ -197,6 +202,7 @@ static void parse_options(int argc, char **argv, char **envp) fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"), optarg); usage(true); + return false; } generate_keys &= ~7; /* Round it to bytes */ @@ -228,11 +234,14 @@ static void parse_options(int argc, char **argv, char **envp) case '?': usage(true); + return false; default: break; } } + + return true; } /* This function prettyprints the key generation process */ @@ -284,7 +293,7 @@ static bool keygen(int bits) char *filename; fprintf(stderr, _("Generating %d bits keys:\n"), bits); - rsa_key = RSA_generate_key(bits, 0xFFFF, indicator, NULL); + rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL); if(!rsa_key) { fprintf(stderr, _("Error during key generation!\n")); @@ -293,11 +302,16 @@ static bool keygen(int bits) fprintf(stderr, _("Done.\n")); asprintf(&filename, "%s/rsa_key.priv", confbase); - f = ask_and_safe_open(filename, _("private RSA key"), true, "a"); + f = ask_and_open(filename, _("private RSA key"), "a"); if(!f) return false; - + +#ifdef HAVE_FCHMOD + /* Make it unreadable for others. */ + fchmod(fileno(f), 0600); +#endif + if(ftell(f)) fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n")); @@ -312,7 +326,7 @@ static bool keygen(int bits) else asprintf(&filename, "%s/rsa_key.pub", confbase); - f = ask_and_safe_open(filename, _("public RSA key"), false, "a"); + f = ask_and_open(filename, _("public RSA key"), "a"); if(!f) return false; @@ -332,11 +346,35 @@ static bool keygen(int bits) */ static void make_names(void) { +#ifdef HAVE_MINGW + HKEY key; + char installdir[1024] = ""; + long len = sizeof(installdir); +#endif + if(netname) asprintf(&identname, "tinc.%s", netname); else identname = xstrdup("tinc"); +#ifdef HAVE_MINGW + if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\tinc", 0, KEY_READ, &key)) { + if(!RegQueryValueEx(key, NULL, 0, 0, installdir, &len)) { + if(!logfilename) + asprintf(&logfilename, "%s/log/%s.log", identname); + if(!confbase) { + if(netname) + asprintf(&confbase, "%s/%s", installdir, netname); + else + asprintf(&confbase, "%s", installdir); + } + } + RegCloseKey(key); + if(*installdir) + return; + } +#endif + if(!pidfilename) asprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname); @@ -345,16 +383,16 @@ static void make_names(void) if(netname) { if(!confbase) - asprintf(&confbase, "%s/tinc/%s", CONFDIR, netname); + asprintf(&confbase, CONFDIR "/tinc/%s", netname); else logger(LOG_INFO, _("Both netname and configuration directory given, using the latter...")); } else { if(!confbase) - asprintf(&confbase, "%s/tinc", CONFDIR); + asprintf(&confbase, CONFDIR "/tinc"); } } -int main(int argc, char **argv, char **envp) +int main(int argc, char **argv) { program_name = argv[0]; @@ -362,14 +400,15 @@ int main(int argc, char **argv, char **envp) bindtextdomain(PACKAGE, LOCALEDIR); textdomain(PACKAGE); - environment = envp; - parse_options(argc, argv, envp); + if(!parse_options(argc, argv)) + return 1; + make_names(); if(show_version) { printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE, VERSION, __DATE__, __TIME__, PROT_CURRENT); - printf(_("Copyright (C) 1998-2003 Ivo Timmermans, Guus Sliepen and others.\n" + printf(_("Copyright (C) 1998-2005 Ivo Timmermans, Guus Sliepen and others.\n" "See the AUTHORS file for a complete list.\n\n" "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" "and you are welcome to redistribute it under certain conditions;\n" @@ -378,13 +417,15 @@ int main(int argc, char **argv, char **envp) return 0; } - if(show_help) + if(show_help) { usage(false); + return 0; + } if(kill_tincd) - exit(!kill_other(kill_tincd)); + return !kill_other(kill_tincd); - openlogger("tinc", LOGMODE_STDERR); + openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR); /* Lock all pages into memory if requested */ @@ -408,46 +449,66 @@ int main(int argc, char **argv, char **envp) RAND_load_file("/dev/urandom", 1024); + ENGINE_load_builtin_engines(); + ENGINE_register_all_complete(); + OpenSSL_add_all_algorithms(); if(generate_keys) { read_server_config(); - exit(!keygen(generate_keys)); + return !keygen(generate_keys); } if(!read_server_config()) - exit(1); + return 1; if(lzo_init() != LZO_E_OK) { logger(LOG_ERR, _("Error initializing LZO compressor!")); - exit(1); + return 1; } #ifdef HAVE_MINGW if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) { - logger(LOG_ERR, _("System call `%s' failed: %s"), "WSAStartup", strerror(errno)); - exit(1); + logger(LOG_ERR, _("System call `%s' failed: %s"), "WSAStartup", winerror(GetLastError())); + return 1; } + + if(!do_detach || !init_service()) + return main2(argc, argv); + else + return 1; +} + +int main2(int argc, char **argv) +{ #endif - + if(!detach()) - exit(1); + return 1; - for(;;) { - if(setup_network_connections()) { - main_loop(); - cleanup_and_exit(1); - } - logger(LOG_ERR, _("Unrecoverable error")); - cp_trace(); + /* Setup sockets and open device. */ - if(do_detach) { - logger(LOG_NOTICE, _("Restarting in %d seconds!"), maxtimeout); - sleep(maxtimeout); - } else { - logger(LOG_ERR, _("Not restarting.")); - exit(1); - } - } + if(!setup_network_connections()) + goto end; + + /* Start main loop. It only exits when tinc is killed. */ + + status = main_loop(); + + /* Shutdown properly. */ + + close_network_connections(); + + ifdebug(CONNECTIONS) + dump_device_stats(); + +end: + logger(LOG_NOTICE, _("Terminating")); + +#ifndef HAVE_MINGW + remove_pid(pidfilename); +#endif + + return status; }