X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Ftincd.c;h=8c4655cde0d39455ef182a1f7ab8c6b5cf245655;hb=7af072dcd530982027332c1d58bd3e476b2139f9;hp=be131643c6ac3daa0a4fbce907075de33bf92ec5;hpb=8f9ee895224b39347783f3119343efc3bdaa3511;p=meshlink diff --git a/src/tincd.c b/src/tincd.c index be131643..8c4655cd 100644 --- a/src/tincd.c +++ b/src/tincd.c @@ -1,7 +1,7 @@ /* tincd.c -- the main file for tincd Copyright (C) 1998-2005 Ivo Timmermans - 2000-2012 Guus Sliepen + 2000-2014 Guus Sliepen 2008 Max Rijevski 2009 Michael Tokarev 2010 Julien Muchembled @@ -33,12 +33,6 @@ #include #endif -#include -#include -#include -#include -#include - #ifdef HAVE_LZO #include LZO1X_H #endif @@ -52,20 +46,14 @@ #include #include "conf.h" -#include "control.h" #include "crypto.h" -#include "device.h" #include "logger.h" #include "net.h" #include "netutl.h" -#include "process.h" #include "protocol.h" #include "utils.h" #include "xalloc.h" -/* The name this program was run with. */ -char *program_name = NULL; - /* If nonzero, display usage information and exit. */ static bool show_help = false; @@ -75,21 +63,19 @@ static bool show_version = false; /* If nonzero, use null ciphers and skip all key exchanges. */ bool bypass_security = false; +#ifdef HAVE_MLOCKALL /* If nonzero, disable swapping for this process. */ static bool do_mlock = false; +#endif +#ifndef HAVE_MINGW /* If nonzero, chroot to netdir after startup. */ static bool do_chroot = false; /* If !NULL, do setuid to given user after startup */ static const char *switchuser = NULL; +#endif -/* If nonzero, write log entries to a separate file. */ -bool use_logfile = false; - -char *identname = NULL; /* program name for syslog */ -char *logfilename = NULL; /* log file location */ -char *pidfilename = NULL; char **g_argv; /* a copy of the cmdline arguments */ static int status = 1; @@ -105,8 +91,6 @@ static struct option const long_options[] = { {"mlock", no_argument, NULL, 'L'}, {"chroot", no_argument, NULL, 'R'}, {"user", required_argument, NULL, 'U'}, - {"logfile", optional_argument, NULL, 4}, - {"pidfile", required_argument, NULL, 5}, {"option", required_argument, NULL, 'o'}, {NULL, 0, NULL, 0} }; @@ -119,21 +103,23 @@ int main2(int argc, char **argv); static void usage(bool status) { if(status) - fprintf(stderr, "Try `%s --help\' for more information.\n", - program_name); + fprintf(stderr, "Try `tincd --help\' for more information.\n"); else { - printf("Usage: %s [option]...\n\n", program_name); + printf("Usage: tincd [option]...\n\n"); 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" " -n, --net=NETNAME Connect to net NETNAME.\n" +#ifdef HAVE_MLOCKALL " -L, --mlock Lock tinc into main memory.\n" - " --logfile[=FILENAME] Write log entries to a logfile.\n" - " --pidfile=FILENAME Write PID and control socket cookie to FILENAME.\n" +#endif " --bypass-security Disables meta protocol security, for debugging.\n" " -o, --option[HOST.]KEY=VALUE Set global/host configuration value.\n" +#ifndef HAVE_MINGW " -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" + " -U, --user=USER setuid to given USER at startup.\n" +#endif + " --help Display this help and exit.\n" " --version Output version information and exit.\n\n"); printf("Report bugs to tinc@tinc-vpn.org.\n"); } @@ -156,30 +142,24 @@ static bool parse_options(int argc, char **argv) { confbase = xstrdup(optarg); break; - case 'D': /* no detach */ - do_detach = false; - break; - case 'L': /* no detach */ #ifndef HAVE_MLOCKALL - logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "mlockall()"); + logger(DEBUG_ALWAYS, LOG_ERR, "The %s option is not supported on this platform.", argv[optind - 1]); return false; #else do_mlock = true; break; #endif - case 'd': /* inc debug level */ + case 'd': /* increase debug level */ + if(!optarg && optind < argc && *argv[optind] != '-') + optarg = argv[optind++]; if(optarg) debug_level = atoi(optarg); else debug_level++; break; - case 'n': /* net name given */ - netname = xstrdup(optarg); - break; - case 'o': /* option */ cfg = parse_config_line(optarg, NULL, ++lineno); if (!cfg) @@ -187,6 +167,12 @@ static bool parse_options(int argc, char **argv) { list_insert_tail(cmdline_conf, cfg); break; +#ifdef HAVE_MINGW + case 'R': + case 'U': + logger(DEBUG_ALWAYS, LOG_ERR, "The %s option is not supported on this platform.", argv[optind - 1]); + return false; +#else case 'R': /* chroot to NETNAME dir */ do_chroot = true; break; @@ -194,6 +180,7 @@ static bool parse_options(int argc, char **argv) { case 'U': /* setuid to USER */ switchuser = optarg; break; +#endif case 1: /* show help */ show_help = true; @@ -207,16 +194,6 @@ static bool parse_options(int argc, char **argv) { bypass_security = true; break; - case 4: /* write log entries to a file */ - use_logfile = true; - if(optarg) - logfilename = xstrdup(optarg); - break; - - case 5: /* open control socket here */ - pidfilename = xstrdup(optarg); - break; - case '?': /* wrong options */ usage(true); return false; @@ -226,95 +203,17 @@ static bool parse_options(int argc, char **argv) { } } - if(!netname && (netname = getenv("NETNAME"))) - netname = xstrdup(netname); - - /* netname "." is special: a "top-level name" */ - - if(netname && (!*netname || !strcmp(netname, "."))) { - free(netname); - netname = NULL; - } - - if(netname && (strpbrk(netname, "\\/") || *netname == '.')) { - fprintf(stderr, "Invalid character in netname!\n"); + if(optind < argc) { + fprintf(stderr, "%s: unrecognized argument '%s'\n", argv[0], argv[optind]); + usage(true); return false; } return true; } -/* - Set all files and paths according to netname -*/ -static void make_names(void) { -#ifdef HAVE_MINGW - HKEY key; - char installdir[1024] = ""; - long len = sizeof installdir; -#endif - - if(netname) - xasprintf(&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) - xasprintf(&logfilename, "%s" SLASH "log" SLASH "%s.log", identname); - if(!confbase) { - if(netname) - xasprintf(&confbase, "%s" SLASH "%s", installdir, netname); - else - xasprintf(&confbase, "%s", installdir); - } - if(!pidfilename) - xasprintf(&pidfilename, "%s" SLASH "pid", confbase); - } - RegCloseKey(key); - if(*installdir) - return; - } -#endif - - if(!logfilename) - xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname); - - if(!pidfilename) - xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname); - - if(netname) { - if(!confbase) - xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname); - else - logger(DEBUG_ALWAYS, LOG_INFO, "Both netname and configuration directory given, using the latter..."); - } else { - if(!confbase) - xasprintf(&confbase, CONFDIR SLASH "tinc"); - } -} - -static void free_names(void) { - if (identname) free(identname); - if (netname) free(netname); - if (pidfilename) free(pidfilename); - if (logfilename) free(logfilename); - if (confbase) free(confbase); -} - static bool drop_privs(void) { -#ifdef HAVE_MINGW - if (switchuser) { - logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "-U"); - return false; - } - if (do_chroot) { - logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "-R"); - return false; - } -#else +#ifndef HAVE_MINGW uid_t uid = 0; if (switchuser) { struct passwd *pw = getpwnam(switchuser); @@ -365,17 +264,13 @@ static bool drop_privs(void) { #endif int main(int argc, char **argv) { - program_name = argv[0]; - if(!parse_options(argc, argv)) return 1; - make_names(); - if(show_version) { printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE, VERSION, __DATE__, __TIME__, PROT_MAJOR, PROT_MINOR); - printf("Copyright (C) 1998-2012 Ivo Timmermans, Guus Sliepen and others.\n" + printf("Copyright (C) 1998-2014 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" @@ -396,21 +291,16 @@ int main(int argc, char **argv) { } #endif - openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR); + openlogger("tinc", LOGMODE_STDERR); g_argv = argv; - if(getenv("LISTEN_PID") && atoi(getenv("LISTEN_PID")) == getpid()) - do_detach = false; -#ifdef HAVE_UNSETENV - unsetenv("LISTEN_PID"); -#endif - init_configuration(&config_tree); /* Slllluuuuuuurrrrp! */ - srand(time(NULL)); + gettimeofday(&now, NULL); + srand(now.tv_sec + now.tv_usec); crypto_init(); if(!read_server_config()) @@ -423,22 +313,8 @@ int main(int argc, char **argv) { } #endif -#ifdef HAVE_MINGW - if(!do_detach || !init_service()) - return main2(argc, argv); - else - return 1; -} - -int main2(int argc, char **argv) { - InitializeCriticalSection(&mutex); - EnterCriticalSection(&mutex); -#endif char *priority = NULL; - if(!detach()) - return 1; - #ifdef HAVE_MLOCKALL /* Lock all pages into memory if requested. * This has to be done after daemon()/fork() so it works for child. @@ -450,29 +326,10 @@ int main2(int argc, char **argv) { } #endif -#ifdef HAVE_DARWIN - if(!getenv("EVENT_KQUEUE")) - setenv("EVENT_NOKQUEUE", "1", 0); - if(!getenv("EVENT_POLL")) - setenv("EVENT_NOPOLL", "1", 0); -#endif - - if(!event_init()) { - logger(DEBUG_ALWAYS, LOG_ERR, "Error initializing libevent!"); - return 1; - } - - /* Setup sockets and open device. */ + /* Setup sockets. */ if(!setup_network()) - goto end_nonet; - - if(!init_control()) - goto end_nonet; - - /* Initiate all outgoing connections. */ - - try_outgoing_connections(); + goto end; /* Change process priority */ @@ -504,19 +361,17 @@ int main2(int argc, char **argv) { /* Start main loop. It only exits when tinc is killed. */ - status = main_loop(); + logger(DEBUG_ALWAYS, LOG_NOTICE, "Ready"); - /* Shutdown properly. */ + try_outgoing_connections(); - if(debug_level >= DEBUG_CONNECTIONS) - devops.dump_stats(); + status = main_loop(); - close_network_connections(); + /* Shutdown properly. */ end: - exit_control(); + close_network_connections(); -end_nonet: logger(DEBUG_ALWAYS, LOG_NOTICE, "Terminating"); free(priority); @@ -525,7 +380,6 @@ end_nonet: exit_configuration(&config_tree); free(cmdline_conf); - free_names(); return status; }