X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftincd.c;fp=src%2Ftincd.c;h=2e4015201ab61cc055772a208db2b4dd4d60a08d;hb=ff03bb9b0a744530e1145fef656644987a10d62d;hp=0000000000000000000000000000000000000000;hpb=56c51e94a620dd91eeb510176b9c970af9a9a372;p=tinc

diff --git a/src/tincd.c b/src/tincd.c
new file mode 100644
index 00000000..2e401520
--- /dev/null
+++ b/src/tincd.c
@@ -0,0 +1,342 @@
+/*
+    tincd.c -- the main file for tincd
+
+    Copyright (C) 2000-2004 Guus Sliepen <guus@tinc-vpn.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#include "system.h"
+
+#include <getopt.h>
+
+/* Darwin (MacOS/X) needs the following definition... */
+#ifndef _P1003_1B_VISIBLE
+#define _P1003_1B_VISIBLE
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#include "tincd.h"
+#include "cfg/cfg.h"
+#include "fd/event.h"
+#include "fd/fd.h"
+#include "logger/logger.h"
+#include "rt/rt.h"
+#include "support/avl.h"
+#include "support/sockaddr.h"
+#include "support/xalloc.h"
+#include "tnl/tnl.h"
+#include "vnd/vnd.h"
+
+static bool show_help = false;
+static bool show_version = false;
+static int kill_tincd = 0;
+static bool bypass_security = false;
+static bool do_mlock = false;
+static bool do_detach = true;
+static int debug_level = 1;
+
+char *tinc_confbase = NULL;	
+char *tinc_netname = NULL;	
+char *tinc_identname = NULL;	
+char *tinc_pidfilename = NULL;
+char *tinc_logfilename = NULL;
+char *tinc_cfgfilename = NULL;
+
+bool tinc_use_logfile = false;
+
+int tinc_argc;
+char **tinc_argv;
+avl_tree_t *tinc_cfg;
+
+static struct option const long_options[] = {
+	{"config", required_argument, NULL, 'c'},
+	{"kill", optional_argument, NULL, 'k'},
+	{"net", required_argument, NULL, 'n'},
+	{"help", no_argument, NULL, 1},
+	{"version", no_argument, NULL, 2},
+	{"no-detach", no_argument, NULL, 'D'},
+	{"debug", optional_argument, NULL, 'd'},
+	{"bypass-security", no_argument, NULL, 3},
+	{"mlock", no_argument, NULL, 'L'},
+	{"logfile", optional_argument, NULL, 4},
+	{"pidfile", required_argument, NULL, 5},
+	{NULL, 0, NULL, 0}
+};
+
+#ifdef HAVE_MINGW
+static struct WSAData wsa_state;
+#endif
+
+static void usage(bool status) {
+	if(status)
+		fprintf(stderr, _("Try `%s --help\' for more information.\n"), tinc_argv[0]);
+	else {
+		printf(_("Usage: %s [option]...\n\n"), tinc_argv[0]);
+		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"
+				"  -L, --mlock                Lock tinc into main memory.\n"
+				"      --logfile[=FILENAME]   Write log entries to a logfile.\n"
+				"      --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@tinc-vpn.org.\n"));
+	}
+}
+
+static bool parse_options(int argc, char **argv) {
+	int result;
+	int option_index = 0;
+
+	while((result = getopt_long(argc, argv, "c:DLd::k::n:", long_options, &option_index)) != EOF) {
+		switch (result) {
+			case 0:
+				break;
+
+			case 'c': /* --config */
+				tinc_confbase = xstrdup(optarg);
+				break;
+
+			case 'D': /* --no-detach */
+				do_detach = false;
+				break;
+
+			case 'L': /* --mlock */
+				do_mlock = true;
+				break;
+
+			case 'd': /* --debug */
+				if(optarg)
+					debug_level = atoi(optarg);
+				else
+					debug_level++;
+				break;
+
+			case 'k': /* --kill */
+#ifndef HAVE_MINGW
+				if(optarg) {
+					if(!strcasecmp(optarg, "HUP"))
+						kill_tincd = SIGHUP;
+					else if(!strcasecmp(optarg, "TERM"))
+						kill_tincd = SIGTERM;
+					else if(!strcasecmp(optarg, "KILL"))
+						kill_tincd = SIGKILL;
+					else if(!strcasecmp(optarg, "USR1"))
+						kill_tincd = SIGUSR1;
+					else if(!strcasecmp(optarg, "USR2"))
+						kill_tincd = SIGUSR2;
+					else if(!strcasecmp(optarg, "WINCH"))
+						kill_tincd = SIGWINCH;
+					else if(!strcasecmp(optarg, "INT"))
+						kill_tincd = SIGINT;
+					else if(!strcasecmp(optarg, "ALRM"))
+						kill_tincd = SIGALRM;
+					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"),
+									optarg);
+							usage(true);
+							return false;
+						}
+					}
+				} else
+					kill_tincd = SIGTERM;
+#else
+					kill_tincd = 1;
+#endif
+				break;
+
+			case 'n': /* --net */
+				tinc_netname = xstrdup(optarg);
+				break;
+
+			case 1:	/* --help */
+				show_help = true;
+				break;
+
+			case 2: /* --version */
+				show_version = true;
+				break;
+
+			case 3: /* --bypass-security */
+				bypass_security = true;
+				break;
+
+			case 4: /* --logfile */
+				tinc_use_logfile = true;
+				if(optarg)
+					tinc_logfilename = xstrdup(optarg);
+				break;
+
+			case 5: /* --pidfile */
+				tinc_pidfilename = xstrdup(optarg);
+				break;
+
+			case '?':
+				usage(true);
+				return false;
+
+			default:
+				break;
+		}
+	}
+
+	return true;
+}
+
+static void make_names(void)
+{
+#ifdef HAVE_MINGW
+	HKEY key;
+	char installdir[1024] = "";
+	long len = sizeof(installdir);
+#endif
+
+	if(tinc_netname)
+		asprintf(&tinc_identname, "tinc.%s", tinc_netname);
+	else
+		tinc_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(!tinc_logfilename)
+				asprintf(&tinc_logfilename, "%s/log/%s.log", tinc_identname);
+			if(!tinc_confbase) {
+				if(tinc_netname)
+					asprintf(&tinc_confbase, "%s/%s", installdir, tinc_netname);
+				else
+					asprintf(&tinc_confbase, "%s", installdir);
+			}
+		}
+		RegCloseKey(key);
+		if(*installdir)
+			return;
+	}
+#endif
+
+	if(!tinc_pidfilename)
+		asprintf(&tinc_pidfilename, LOCALSTATEDIR "/run/%s.pid", tinc_identname);
+
+	if(!tinc_logfilename)
+		asprintf(&tinc_logfilename, LOCALSTATEDIR "/log/%s.log", tinc_identname);
+
+	if(!tinc_confbase) {
+		if(tinc_netname)
+			asprintf(&tinc_confbase, CONFDIR "/tinc/%s", tinc_netname);
+		else
+			asprintf(&tinc_confbase, CONFDIR "/tinc");
+	}
+
+	asprintf(&tinc_cfgfilename, "%s/tinc.conf", tinc_confbase);
+}
+
+int main(int argc, char **argv) {
+	tinc_argc = argc;
+	tinc_argv = argv;
+
+	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/%d)\n"), PACKAGE,
+			   VERSION, __DATE__, __TIME__, TNL_PROTOCOL, RT_PROTOCOL);
+		printf(_("Copyright (C) 1998-2004 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"));
+
+		return 0;
+	}
+
+	if(show_help) {
+		usage(false);
+		return 0;
+	}
+
+	if(kill_tincd)
+		return !kill_other(kill_tincd);
+
+	logger_init("tinc", tinc_use_logfile ? LOGGER_MODE_FILE : LOGGER_MODE_STDERR);
+
+	/* Lock all pages into memory if requested */
+
+	if(do_mlock)
+#ifdef HAVE_MLOCKALL
+		if(mlockall(MCL_CURRENT | MCL_FUTURE)) {
+			logger(LOG_ERR, _("System call `%s' failed: %s"), "mlockall",
+				   strerror(errno));
+#else
+	{
+		logger(LOG_ERR, _("mlockall() not supported on this platform!"));
+#endif
+		return -1;
+	}
+
+	tinc_cfg = cfg_tree_new();
+
+	asprintf(&tinc_cfgfilename, "%s/tinc.conf", tinc_confbase);
+	
+	if(!cfg_read_file(tinc_cfg, tinc_cfgfilename))
+		return 1;
+
+#ifdef HAVE_MINGW
+	if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
+		logger(LOG_ERR, _("System call `%s' failed: %s"), "WSAStartup", winerror(GetLastError()));
+		return 1;
+	}
+#endif
+
+	if(do_detach && !detach())
+		return 1;
+
+	logger(LOG_NOTICE, _("tincd %s (%s %s) starting, debug level %d"),
+			VERSION, __DATE__, __TIME__, logger_level);
+
+	if(!fd_init() || !rt_init())
+		return 1;
+
+	fd_run();
+
+	rt_exit();
+	fd_exit();
+end:
+	logger(LOG_NOTICE, _("Terminating"));
+
+#ifndef HAVE_MINGW
+	remove_pid(tinc_pidfilename);
+#endif
+
+	logger_exit();
+	
+	return 0;
+}