X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Ftincd.c;h=d0b00b0dda48ad7ac0aaa43f6b0bd9934ab69302;hp=a01ed58b5baf7582902791d9d19642809cb0d169;hb=5b0f5ad958d6db4e73aebc5ee6c608cdae81b7b5;hpb=5dde6461a321ee47b06e33f8203f2acf00a31a51 diff --git a/src/tincd.c b/src/tincd.c index a01ed58b..d0b00b0d 100644 --- a/src/tincd.c +++ b/src/tincd.c @@ -1,8 +1,11 @@ /* tincd.c -- the main file for tincd Copyright (C) 1998-2005 Ivo Timmermans - 2000-2009 Guus Sliepen + 2000-2011 Guus Sliepen + 2008 Max Rijevski 2009 Michael Tokarev + 2010 Julien Muchembled + 2010 Timothy Redaelli 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 @@ -36,7 +39,9 @@ #include #include +#ifdef HAVE_LZO #include LZO1X_H +#endif #ifndef HAVE_MINGW #include @@ -109,42 +114,49 @@ static struct option const long_options[] = { {"user", required_argument, NULL, 'U'}, {"logfile", optional_argument, NULL, 4}, {"pidfile", required_argument, NULL, 5}, + {"option", required_argument, NULL, 'o'}, {NULL, 0, NULL, 0} }; #ifdef HAVE_MINGW static struct WSAData wsa_state; CRITICAL_SECTION mutex; +int main2(int argc, char **argv); #endif static void usage(bool status) { if(status) - fprintf(stderr, _("Try `%s --help\' for more information.\n"), + fprintf(stderr, "Try `%s --help\' for more information.\n", program_name); else { - printf(_("Usage: %s [option]...\n\n"), program_name); - printf(_(" -c, --config=DIR Read configuration options from DIR.\n" - " -D, --no-detach Don't fork and detach.\n" - " -d, --debug[=LEVEL] Increase debug level or set it to LEVEL.\n" - " -k, --kill[=SIGNAL] Attempt to kill a running tincd and exit.\n" - " -n, --net=NETNAME Connect to net NETNAME.\n" - " -K, --generate-keys[=BITS] Generate public/private RSA keypair.\n" - " -L, --mlock Lock tinc into main memory.\n" - " --logfile[=FILENAME] Write log entries to a logfile.\n" - " --pidfile=FILENAME Write PID to FILENAME.\n" - " -R, --chroot chroot to NET dir at startup.\n" - " -U, --user=USER setuid to given USER at startup.\n" - " --help Display this help and exit.\n" - " --version Output version information and exit.\n\n")); - printf(_("Report bugs to tinc@tinc-vpn.org.\n")); + printf("Usage: %s [option]...\n\n", program_name); + printf(" -c, --config=DIR Read configuration options from DIR.\n" + " -D, --no-detach Don't fork and detach.\n" + " -d, --debug[=LEVEL] Increase debug level or set it to LEVEL.\n" + " -k, --kill[=SIGNAL] Attempt to kill a running tincd and exit.\n" + " -n, --net=NETNAME Connect to net NETNAME.\n" + " -K, --generate-keys[=BITS] Generate public/private RSA keypair.\n" + " -L, --mlock Lock tinc into main memory.\n" + " --logfile[=FILENAME] Write log entries to a logfile.\n" + " --pidfile=FILENAME Write PID to FILENAME.\n" + " -o, --option=[HOST.]KEY=VALUE Set global/host configuration value.\n" + " -R, --chroot chroot to NET dir at startup.\n" + " -U, --user=USER setuid to given USER at startup.\n" + " --help Display this help and exit.\n" + " --version Output version information and exit.\n\n"); + printf("Report bugs to tinc@tinc-vpn.org.\n"); } } static bool parse_options(int argc, char **argv) { + config_t *cfg; int r; int option_index = 0; + int lineno = 0; + + cmdline_conf = list_alloc((list_action_t)free_config); - while((r = getopt_long(argc, argv, "c:DLd::k::n:K::RU:", long_options, &option_index)) != EOF) { + while((r = getopt_long(argc, argv, "c:DLd::k::n:o:K::RU:", long_options, &option_index)) != EOF) { switch (r) { case 0: /* long option */ break; @@ -159,7 +171,7 @@ static bool parse_options(int argc, char **argv) { case 'L': /* no detach */ #ifndef HAVE_MLOCKALL - logger(LOG_ERR, _("%s not supported on this platform"), "mlockall()"); + logger(LOG_ERR, "%s not supported on this platform", "mlockall()"); return false; #else do_mlock = true; @@ -192,11 +204,13 @@ static bool parse_options(int argc, char **argv) { kill_tincd = SIGINT; else if(!strcasecmp(optarg, "ALRM")) kill_tincd = SIGALRM; + else if(!strcasecmp(optarg, "ABRT")) + kill_tincd = SIGABRT; else { kill_tincd = atoi(optarg); if(!kill_tincd) { - fprintf(stderr, _("Invalid argument `%s'; SIGNAL must be a number or one of HUP, TERM, KILL, USR1, USR2, WINCH, INT or ALRM.\n"), + 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; @@ -210,7 +224,16 @@ static bool parse_options(int argc, char **argv) { break; case 'n': /* net name given */ - netname = xstrdup(optarg); + /* netname "." is special: a "top-level name" */ + netname = strcmp(optarg, ".") != 0 ? + xstrdup(optarg) : NULL; + break; + + case 'o': /* option */ + cfg = parse_config_line(optarg, NULL, ++lineno); + if (!cfg) + return false; + list_insert_tail(cmdline_conf, cfg); break; case 'K': /* generate public/private keypair */ @@ -218,7 +241,7 @@ static bool parse_options(int argc, char **argv) { generate_keys = atoi(optarg); if(generate_keys < 512) { - fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"), + fprintf(stderr, "Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n", optarg); usage(true); return false; @@ -320,33 +343,31 @@ static bool keygen(int bits) { get_config_string(lookup_config(config_tree, "Name"), &name); if(name && !check_id(name)) { - fprintf(stderr, _("Invalid name for myself!\n")); + fprintf(stderr, "Invalid name for myself!\n"); return false; } - fprintf(stderr, _("Generating %d bits keys:\n"), bits); + fprintf(stderr, "Generating %d bits keys:\n", bits); rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL); if(!rsa_key) { - fprintf(stderr, _("Error during key generation!\n")); + fprintf(stderr, "Error during key generation!\n"); return false; } else - fprintf(stderr, _("Done.\n")); + fprintf(stderr, "Done.\n"); xasprintf(&filename, "%s/rsa_key.priv", confbase); - f = ask_and_open(filename, _("private RSA key")); + f = ask_and_open(filename, "private RSA key"); if(!f) return false; - if(disable_old_keys(f)) - fprintf(stderr, _("Warning: old key(s) found and disabled.\n")); - #ifdef HAVE_FCHMOD /* Make it unreadable for others. */ fchmod(fileno(f), 0600); #endif + fputc('\n', f); PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL); fclose(f); free(filename); @@ -356,14 +377,12 @@ static bool keygen(int bits) { else xasprintf(&filename, "%s/rsa_key.pub", confbase); - f = ask_and_open(filename, _("public RSA key")); + f = ask_and_open(filename, "public RSA key"); if(!f) return false; - if(disable_old_keys(f)) - fprintf(stderr, _("Warning: old key(s) found and disabled.\n")); - + fputc('\n', f); PEM_write_RSAPublicKey(f, rsa_key); fclose(f); free(filename); @@ -416,7 +435,7 @@ static void make_names(void) { if(!confbase) xasprintf(&confbase, CONFDIR "/tinc/%s", netname); else - logger(LOG_INFO, _("Both netname and configuration directory given, using the latter...")); + logger(LOG_INFO, "Both netname and configuration directory given, using the latter..."); } else { if(!confbase) xasprintf(&confbase, CONFDIR "/tinc"); @@ -434,11 +453,11 @@ static void free_names() { static bool drop_privs() { #ifdef HAVE_MINGW if (switchuser) { - logger(LOG_ERR, _("%s not supported on this platform"), "-U"); + logger(LOG_ERR, "%s not supported on this platform", "-U"); return false; } if (do_chroot) { - logger(LOG_ERR, _("%s not supported on this platform"), "-R"); + logger(LOG_ERR, "%s not supported on this platform", "-R"); return false; } #else @@ -446,13 +465,13 @@ static bool drop_privs() { if (switchuser) { struct passwd *pw = getpwnam(switchuser); if (!pw) { - logger(LOG_ERR, _("unknown user `%s'"), switchuser); + logger(LOG_ERR, "unknown user `%s'", switchuser); return false; } uid = pw->pw_uid; if (initgroups(switchuser, pw->pw_gid) != 0 || setgid(pw->pw_gid) != 0) { - logger(LOG_ERR, _("System call `%s' failed: %s"), + logger(LOG_ERR, "System call `%s' failed: %s", "initgroups", strerror(errno)); return false; } @@ -462,7 +481,7 @@ static bool drop_privs() { if (do_chroot) { tzset(); /* for proper timestamps in logs */ if (chroot(confbase) != 0 || chdir("/") != 0) { - logger(LOG_ERR, _("System call `%s' failed: %s"), + logger(LOG_ERR, "System call `%s' failed: %s", "chroot", strerror(errno)); return false; } @@ -471,7 +490,7 @@ static bool drop_privs() { } if (switchuser) if (setuid(uid) != 0) { - logger(LOG_ERR, _("System call `%s' failed: %s"), + logger(LOG_ERR, "System call `%s' failed: %s", "setuid", strerror(errno)); return false; } @@ -480,34 +499,30 @@ static bool drop_privs() { } #ifdef HAVE_MINGW -# define setpriority(level) SetPriorityClass(GetCurrentProcess(), level) +# define setpriority(level) !SetPriorityClass(GetCurrentProcess(), (level)) #else # define NORMAL_PRIORITY_CLASS 0 # define BELOW_NORMAL_PRIORITY_CLASS 10 # define HIGH_PRIORITY_CLASS -10 -# define setpriority(level) nice(level) +# define setpriority(level) (setpriority(PRIO_PROCESS, 0, (level))) #endif int main(int argc, char **argv) { program_name = argv[0]; - setlocale(LC_ALL, ""); - bindtextdomain(PACKAGE, LOCALEDIR); - textdomain(PACKAGE); - if(!parse_options(argc, argv)) return 1; make_names(); if(show_version) { - printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE, + printf("%s version %s (built %s %s, protocol %d)\n", PACKAGE, VERSION, __DATE__, __TIME__, PROT_CURRENT); - printf(_("Copyright (C) 1998-2009 Ivo Timmermans, Guus Sliepen and others.\n" + printf("Copyright (C) 1998-2011 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" - "see the file COPYING for details.\n")); + "see the file COPYING for details.\n"); return 0; } @@ -543,14 +558,16 @@ int main(int argc, char **argv) { if(!read_server_config()) return 1; +#ifdef HAVE_LZO if(lzo_init() != LZO_E_OK) { - logger(LOG_ERR, _("Error initializing LZO compressor!")); + logger(LOG_ERR, "Error initializing LZO compressor!"); return 1; } +#endif #ifdef HAVE_MINGW if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) { - logger(LOG_ERR, _("System call `%s' failed: %s"), "WSAStartup", winerror(GetLastError())); + logger(LOG_ERR, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError())); return 1; } @@ -564,6 +581,7 @@ int main2(int argc, char **argv) { InitializeCriticalSection(&mutex); EnterCriticalSection(&mutex); #endif + char *priority = NULL; if(!detach()) return 1; @@ -573,7 +591,7 @@ int main2(int argc, char **argv) { * This has to be done after daemon()/fork() so it works for child. * No need to do that in parent as it's very short-lived. */ if(do_mlock && mlockall(MCL_CURRENT | MCL_FUTURE) != 0) { - logger(LOG_ERR, _("System call `%s' failed: %s"), "mlockall", + logger(LOG_ERR, "System call `%s' failed: %s", "mlockall", strerror(errno)); return 1; } @@ -590,17 +608,27 @@ int main2(int argc, char **argv) { /* Change process priority */ - char *priority = 0; - if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) { - if(!strcasecmp(priority, "Normal")) - setpriority(NORMAL_PRIORITY_CLASS); - else if(!strcasecmp(priority, "Low")) - setpriority(BELOW_NORMAL_PRIORITY_CLASS); - else if(!strcasecmp(priority, "High")) - setpriority(HIGH_PRIORITY_CLASS); - else { - logger(LOG_ERR, _("Invalid priority `%s`!"), priority); + if(!strcasecmp(priority, "Normal")) { + if (setpriority(NORMAL_PRIORITY_CLASS) != 0) { + logger(LOG_ERR, "System call `%s' failed: %s", + "setpriority", strerror(errno)); + goto end; + } + } else if(!strcasecmp(priority, "Low")) { + if (setpriority(BELOW_NORMAL_PRIORITY_CLASS) != 0) { + logger(LOG_ERR, "System call `%s' failed: %s", + "setpriority", strerror(errno)); + goto end; + } + } else if(!strcasecmp(priority, "High")) { + if (setpriority(HIGH_PRIORITY_CLASS) != 0) { + logger(LOG_ERR, "System call `%s' failed: %s", + "setpriority", strerror(errno)); + goto end; + } + } else { + logger(LOG_ERR, "Invalid priority `%s`!", priority); goto end; } } @@ -616,17 +644,19 @@ int main2(int argc, char **argv) { /* Shutdown properly. */ ifdebug(CONNECTIONS) - dump_device_stats(); + devops.dump_stats(); close_network_connections(); end: - logger(LOG_NOTICE, _("Terminating")); + logger(LOG_NOTICE, "Terminating"); #ifndef HAVE_MINGW remove_pid(pidfilename); #endif + free(priority); + EVP_cleanup(); ENGINE_cleanup(); CRYPTO_cleanup_all_ex_data(); @@ -634,6 +664,7 @@ end: ERR_free_strings(); exit_configuration(&config_tree); + list_free(cmdline_conf); free_names(); return status;