/*
tincd.c -- the main file for tincd
- Copyright (C) 1998-2003 Ivo Timmermans <ivo@o2w.nl>
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 1998-2005 Ivo Timmermans
+ 2000-2006 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: tincd.c,v 1.10.4.78 2003/07/29 22:59:00 guus Exp $
+ $Id$
*/
#include "system.h"
#include <openssl/rsa.h>
#include <openssl/pem.h>
#include <openssl/evp.h>
+#include <openssl/engine.h>
-#include <lzo1x.h>
+#include LZO1X_H
+
+#include <getopt.h>
+#include "pidfile.h"
#include "conf.h"
+#include "device.h"
#include "logger.h"
#include "net.h"
#include "netutl.h"
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'},
" --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;
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;
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 */
case '?':
usage(true);
+ return false;
default:
break;
}
}
+
+ return true;
}
/* This function prettyprints the key generation process */
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"));
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"));
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;
*/
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);
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];
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) 1998-2006 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"
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 */
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
+
+ EVP_cleanup();
+
+ return status;
}
projects / oweals / tinc.git / blobdiff