2000-03-26 00:33:07 +00:00
|
|
|
/*
|
|
|
|
tincd.c -- the main file for tincd
|
2005-05-04 18:09:30 +00:00
|
|
|
Copyright (C) 1998-2005 Ivo Timmermans <ivo@tinc-vpn.org>
|
|
|
|
2000-2005 Guus Sliepen <guus@tinc-vpn.org>
|
2000-03-26 00:33:07 +00:00
|
|
|
|
|
|
|
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.
|
|
|
|
|
2004-03-21 14:21:22 +00:00
|
|
|
$Id$
|
2000-05-31 18:23:06 +00:00
|
|
|
*/
|
2000-04-06 18:28:29 +00:00
|
|
|
|
2003-07-17 15:06:27 +00:00
|
|
|
#include "system.h"
|
2002-09-15 12:26:04 +00:00
|
|
|
|
|
|
|
/* Darwin (MacOS/X) needs the following definition... */
|
|
|
|
#ifndef _P1003_1B_VISIBLE
|
|
|
|
#define _P1003_1B_VISIBLE
|
|
|
|
#endif
|
|
|
|
|
2003-07-21 13:18:44 +00:00
|
|
|
#ifdef HAVE_SYS_MMAN_H
|
2002-07-16 13:12:49 +00:00
|
|
|
#include <sys/mman.h>
|
2003-07-21 13:18:44 +00:00
|
|
|
#endif
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2001-07-04 08:41:36 +00:00
|
|
|
#include <openssl/rand.h>
|
|
|
|
#include <openssl/rsa.h>
|
|
|
|
#include <openssl/pem.h>
|
2002-02-10 21:57:54 +00:00
|
|
|
#include <openssl/evp.h>
|
2000-11-15 01:06:13 +00:00
|
|
|
|
2003-05-06 23:14:45 +00:00
|
|
|
#include <lzo1x.h>
|
|
|
|
|
2003-07-30 11:50:45 +00:00
|
|
|
#include <getopt.h>
|
2004-10-01 18:23:08 +00:00
|
|
|
#include "pidfile.h"
|
2003-07-30 11:50:45 +00:00
|
|
|
|
2000-03-26 00:33:07 +00:00
|
|
|
#include "conf.h"
|
2003-08-02 21:33:52 +00:00
|
|
|
#include "device.h"
|
2003-07-17 15:06:27 +00:00
|
|
|
#include "logger.h"
|
2000-03-26 00:33:07 +00:00
|
|
|
#include "net.h"
|
2002-02-10 21:57:54 +00:00
|
|
|
#include "netutl.h"
|
2000-11-20 18:06:17 +00:00
|
|
|
#include "process.h"
|
2000-08-08 14:54:57 +00:00
|
|
|
#include "protocol.h"
|
2003-07-17 15:06:27 +00:00
|
|
|
#include "utils.h"
|
|
|
|
#include "xalloc.h"
|
2000-05-29 21:01:26 +00:00
|
|
|
|
2000-03-26 00:33:07 +00:00
|
|
|
/* The name this program was run with. */
|
2003-06-11 19:07:56 +00:00
|
|
|
char *program_name = NULL;
|
2000-03-26 00:33:07 +00:00
|
|
|
|
|
|
|
/* If nonzero, display usage information and exit. */
|
2003-07-22 20:55:21 +00:00
|
|
|
bool show_help = false;
|
2000-03-26 00:33:07 +00:00
|
|
|
|
|
|
|
/* If nonzero, print the version on standard output and exit. */
|
2003-07-22 20:55:21 +00:00
|
|
|
bool show_version = false;
|
2000-03-26 00:33:07 +00:00
|
|
|
|
|
|
|
/* If nonzero, it will attempt to kill a running tincd and exit. */
|
2001-10-28 08:41:19 +00:00
|
|
|
int kill_tincd = 0;
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2000-10-20 16:49:20 +00:00
|
|
|
/* If nonzero, generate public/private keypair for this host/net. */
|
2001-10-28 08:41:19 +00:00
|
|
|
int generate_keys = 0;
|
|
|
|
|
|
|
|
/* If nonzero, use null ciphers and skip all key exchanges. */
|
2003-07-22 20:55:21 +00:00
|
|
|
bool bypass_security = false;
|
2000-10-20 16:49:20 +00:00
|
|
|
|
2002-07-16 13:12:49 +00:00
|
|
|
/* If nonzero, disable swapping for this process. */
|
2003-07-22 20:55:21 +00:00
|
|
|
bool do_mlock = false;
|
2002-07-16 13:12:49 +00:00
|
|
|
|
2003-07-06 22:11:37 +00:00
|
|
|
/* If nonzero, write log entries to a separate file. */
|
2003-07-22 20:55:21 +00:00
|
|
|
bool use_logfile = false;
|
2003-07-06 22:11:37 +00:00
|
|
|
|
2003-06-11 19:07:56 +00:00
|
|
|
char *identname = NULL; /* program name for syslog */
|
|
|
|
char *pidfilename = NULL; /* pid file location */
|
2003-07-06 22:11:37 +00:00
|
|
|
char *logfilename = NULL; /* log file location */
|
2002-09-09 21:25:28 +00:00
|
|
|
char **g_argv; /* a copy of the cmdline arguments */
|
2003-08-02 20:50:38 +00:00
|
|
|
|
2003-08-03 09:55:20 +00:00
|
|
|
static int status;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
static struct option const long_options[] = {
|
|
|
|
{"config", required_argument, NULL, 'c'},
|
|
|
|
{"kill", optional_argument, NULL, 'k'},
|
|
|
|
{"net", required_argument, NULL, 'n'},
|
2003-07-22 20:55:21 +00:00
|
|
|
{"help", no_argument, NULL, 1},
|
|
|
|
{"version", no_argument, NULL, 2},
|
|
|
|
{"no-detach", no_argument, NULL, 'D'},
|
2002-09-09 21:25:28 +00:00
|
|
|
{"generate-keys", optional_argument, NULL, 'K'},
|
|
|
|
{"debug", optional_argument, NULL, 'd'},
|
2003-07-22 20:55:21 +00:00
|
|
|
{"bypass-security", no_argument, NULL, 3},
|
|
|
|
{"mlock", no_argument, NULL, 'L'},
|
|
|
|
{"logfile", optional_argument, NULL, 4},
|
|
|
|
{"pidfile", required_argument, NULL, 5},
|
2002-09-09 21:25:28 +00:00
|
|
|
{NULL, 0, NULL, 0}
|
2000-03-26 00:33:07 +00:00
|
|
|
};
|
|
|
|
|
2003-07-29 22:59:01 +00:00
|
|
|
#ifdef HAVE_MINGW
|
|
|
|
static struct WSAData wsa_state;
|
|
|
|
#endif
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
static void usage(bool status)
|
2000-03-26 00:33:07 +00:00
|
|
|
{
|
2003-07-22 20:55:21 +00:00
|
|
|
if(status)
|
2002-09-09 21:25:28 +00:00
|
|
|
fprintf(stderr, _("Try `%s --help\' for more information.\n"),
|
|
|
|
program_name);
|
|
|
|
else {
|
|
|
|
printf(_("Usage: %s [option]...\n\n"), program_name);
|
2002-09-15 14:55:54 +00:00
|
|
|
printf(_(" -c, --config=DIR Read configuration options from DIR.\n"
|
2002-09-09 21:25:28 +00:00
|
|
|
" -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"
|
2003-07-22 12:58:34 +00:00
|
|
|
" --logfile[=FILENAME] Write log entries to a logfile.\n"
|
|
|
|
" --pidfile=FILENAME Write PID to FILENAME.\n"
|
2002-09-09 21:25:28 +00:00
|
|
|
" --help Display this help and exit.\n"
|
|
|
|
" --version Output version information and exit.\n\n"));
|
2004-03-21 14:21:22 +00:00
|
|
|
printf(_("Report bugs to tinc@tinc-vpn.org.\n"));
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
2000-03-26 00:33:07 +00:00
|
|
|
}
|
|
|
|
|
2003-08-02 20:50:38 +00:00
|
|
|
static bool parse_options(int argc, char **argv)
|
2000-03-26 00:33:07 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
int r;
|
|
|
|
int option_index = 0;
|
|
|
|
|
2003-07-22 12:58:34 +00:00
|
|
|
while((r = getopt_long(argc, argv, "c:DLd::k::n:K::", long_options, &option_index)) != EOF) {
|
2002-09-09 21:25:28 +00:00
|
|
|
switch (r) {
|
|
|
|
case 0: /* long option */
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'c': /* config file */
|
2003-07-22 12:58:34 +00:00
|
|
|
confbase = xstrdup(optarg);
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'D': /* no detach */
|
2003-07-22 20:55:21 +00:00
|
|
|
do_detach = false;
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'L': /* no detach */
|
2003-07-22 20:55:21 +00:00
|
|
|
do_mlock = true;
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'd': /* inc debug level */
|
|
|
|
if(optarg)
|
2003-07-06 22:11:37 +00:00
|
|
|
debug_level = atoi(optarg);
|
2002-09-09 21:25:28 +00:00
|
|
|
else
|
2003-07-06 22:11:37 +00:00
|
|
|
debug_level++;
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'k': /* kill old tincds */
|
2003-07-28 22:06:09 +00:00
|
|
|
#ifndef HAVE_MINGW
|
2002-09-09 21:25:28 +00:00
|
|
|
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) {
|
2002-09-15 14:55:54 +00:00
|
|
|
fprintf(stderr, _("Invalid argument `%s'; SIGNAL must be a number or one of HUP, TERM, KILL, USR1, USR2, WINCH, INT or ALRM.\n"),
|
2002-09-09 21:25:28 +00:00
|
|
|
optarg);
|
2003-07-22 20:55:21 +00:00
|
|
|
usage(true);
|
2003-08-02 20:50:38 +00:00
|
|
|
return false;
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
kill_tincd = SIGTERM;
|
2003-08-02 20:50:38 +00:00
|
|
|
#else
|
|
|
|
kill_tincd = 1;
|
2003-07-28 22:06:09 +00:00
|
|
|
#endif
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'n': /* net name given */
|
2003-07-06 22:11:37 +00:00
|
|
|
netname = xstrdup(optarg);
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case 'K': /* generate public/private keypair */
|
|
|
|
if(optarg) {
|
|
|
|
generate_keys = atoi(optarg);
|
|
|
|
|
|
|
|
if(generate_keys < 512) {
|
2002-09-15 14:55:54 +00:00
|
|
|
fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"),
|
2002-09-09 21:25:28 +00:00
|
|
|
optarg);
|
2003-07-22 20:55:21 +00:00
|
|
|
usage(true);
|
2003-08-02 20:50:38 +00:00
|
|
|
return false;
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
generate_keys &= ~7; /* Round it to bytes */
|
|
|
|
} else
|
|
|
|
generate_keys = 1024;
|
|
|
|
break;
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
case 1: /* show help */
|
|
|
|
show_help = true;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 2: /* show version */
|
|
|
|
show_version = true;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 3: /* bypass security */
|
|
|
|
bypass_security = true;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 4: /* write log entries to a file */
|
|
|
|
use_logfile = true;
|
2003-07-06 22:11:37 +00:00
|
|
|
if(optarg)
|
|
|
|
logfilename = xstrdup(optarg);
|
|
|
|
break;
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
case 5: /* write PID to a file */
|
2003-07-22 12:58:34 +00:00
|
|
|
pidfilename = xstrdup(optarg);
|
|
|
|
break;
|
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
case '?':
|
2003-07-22 20:55:21 +00:00
|
|
|
usage(true);
|
2003-08-02 20:50:38 +00:00
|
|
|
return false;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2003-08-02 20:50:38 +00:00
|
|
|
|
|
|
|
return true;
|
2000-03-26 00:33:07 +00:00
|
|
|
}
|
|
|
|
|
2000-10-20 16:49:20 +00:00
|
|
|
/* This function prettyprints the key generation process */
|
|
|
|
|
2003-07-06 23:16:29 +00:00
|
|
|
static void indicator(int a, int b, void *p)
|
2000-10-20 16:49:20 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
switch (a) {
|
|
|
|
case 0:
|
|
|
|
fprintf(stderr, ".");
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 1:
|
|
|
|
fprintf(stderr, "+");
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 2:
|
|
|
|
fprintf(stderr, "-");
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 3:
|
|
|
|
switch (b) {
|
|
|
|
case 0:
|
|
|
|
fprintf(stderr, " p\n");
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 1:
|
|
|
|
fprintf(stderr, " q\n");
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "?");
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "?");
|
|
|
|
}
|
2000-10-20 16:49:20 +00:00
|
|
|
}
|
|
|
|
|
2000-11-28 23:12:57 +00:00
|
|
|
/*
|
|
|
|
Generate a public/private RSA keypair, and ask for a file to store
|
|
|
|
them in.
|
|
|
|
*/
|
2003-07-22 20:55:21 +00:00
|
|
|
static bool keygen(int bits)
|
2000-10-20 16:49:20 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
RSA *rsa_key;
|
|
|
|
FILE *f;
|
|
|
|
char *name = NULL;
|
|
|
|
char *filename;
|
|
|
|
|
|
|
|
fprintf(stderr, _("Generating %d bits keys:\n"), bits);
|
2003-09-25 10:34:16 +00:00
|
|
|
rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL);
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
if(!rsa_key) {
|
|
|
|
fprintf(stderr, _("Error during key generation!\n"));
|
2003-07-22 20:55:21 +00:00
|
|
|
return false;
|
2002-09-09 21:25:28 +00:00
|
|
|
} else
|
|
|
|
fprintf(stderr, _("Done.\n"));
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
asprintf(&filename, "%s/rsa_key.priv", confbase);
|
2003-08-08 22:11:54 +00:00
|
|
|
f = ask_and_open(filename, _("private RSA key"), "a");
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
if(!f)
|
2003-07-22 20:55:21 +00:00
|
|
|
return false;
|
2003-08-08 22:11:54 +00:00
|
|
|
|
|
|
|
#ifdef HAVE_FCHMOD
|
|
|
|
/* Make it unreadable for others. */
|
|
|
|
fchmod(fileno(f), 0600);
|
|
|
|
#endif
|
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
if(ftell(f))
|
|
|
|
fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
|
2002-09-09 21:25:28 +00:00
|
|
|
fclose(f);
|
|
|
|
free(filename);
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
get_config_string(lookup_config(config_tree, "Name"), &name);
|
|
|
|
|
|
|
|
if(name)
|
|
|
|
asprintf(&filename, "%s/hosts/%s", confbase, name);
|
|
|
|
else
|
|
|
|
asprintf(&filename, "%s/rsa_key.pub", confbase);
|
|
|
|
|
2003-08-08 22:11:54 +00:00
|
|
|
f = ask_and_open(filename, _("public RSA key"), "a");
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
if(!f)
|
2003-07-22 20:55:21 +00:00
|
|
|
return false;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
if(ftell(f))
|
|
|
|
fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
PEM_write_RSAPublicKey(f, rsa_key);
|
2002-09-09 21:25:28 +00:00
|
|
|
fclose(f);
|
|
|
|
free(filename);
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
return true;
|
2000-10-20 16:49:20 +00:00
|
|
|
}
|
|
|
|
|
2000-03-26 00:33:07 +00:00
|
|
|
/*
|
|
|
|
Set all files and paths according to netname
|
|
|
|
*/
|
2003-07-06 23:16:29 +00:00
|
|
|
static void make_names(void)
|
2000-03-26 00:33:07 +00:00
|
|
|
{
|
2003-08-08 19:45:21 +00:00
|
|
|
#ifdef HAVE_MINGW
|
|
|
|
HKEY key;
|
|
|
|
char installdir[1024] = "";
|
|
|
|
long len = sizeof(installdir);
|
|
|
|
#endif
|
|
|
|
|
2003-07-22 12:58:34 +00:00
|
|
|
if(netname)
|
|
|
|
asprintf(&identname, "tinc.%s", netname);
|
|
|
|
else
|
|
|
|
identname = xstrdup("tinc");
|
|
|
|
|
2003-08-08 19:45:21 +00:00
|
|
|
#ifdef HAVE_MINGW
|
|
|
|
if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\tinc", 0, KEY_READ, &key)) {
|
|
|
|
if(!RegQueryValueEx(key, NULL, 0, 0, installdir, &len)) {
|
2003-08-17 09:03:30 +00:00
|
|
|
if(!logfilename)
|
2003-08-08 19:45:21 +00:00
|
|
|
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
|
|
|
|
|
2003-07-22 12:58:34 +00:00
|
|
|
if(!pidfilename)
|
|
|
|
asprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname);
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2003-07-22 12:58:34 +00:00
|
|
|
if(!logfilename)
|
|
|
|
asprintf(&logfilename, LOCALSTATEDIR "/log/%s.log", identname);
|
|
|
|
|
|
|
|
if(netname) {
|
2002-09-09 21:25:28 +00:00
|
|
|
if(!confbase)
|
2003-08-08 19:45:21 +00:00
|
|
|
asprintf(&confbase, CONFDIR "/tinc/%s", netname);
|
2002-09-09 21:25:28 +00:00
|
|
|
else
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_INFO, _("Both netname and configuration directory given, using the latter..."));
|
2002-09-09 21:25:28 +00:00
|
|
|
} else {
|
|
|
|
if(!confbase)
|
2003-08-08 19:45:21 +00:00
|
|
|
asprintf(&confbase, CONFDIR "/tinc");
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
2000-03-26 00:33:07 +00:00
|
|
|
}
|
|
|
|
|
2003-08-02 20:50:38 +00:00
|
|
|
int main(int argc, char **argv)
|
2000-03-26 00:33:07 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
program_name = argv[0];
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
setlocale(LC_ALL, "");
|
|
|
|
bindtextdomain(PACKAGE, LOCALEDIR);
|
|
|
|
textdomain(PACKAGE);
|
2000-05-29 21:01:26 +00:00
|
|
|
|
2003-08-02 20:50:38 +00:00
|
|
|
if(!parse_options(argc, argv))
|
|
|
|
return 1;
|
|
|
|
|
2003-06-11 19:07:56 +00:00
|
|
|
make_names();
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
if(show_version) {
|
|
|
|
printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE,
|
|
|
|
VERSION, __DATE__, __TIME__, PROT_CURRENT);
|
2005-05-04 18:09:30 +00:00
|
|
|
printf(_("Copyright (C) 1998-2005 Ivo Timmermans, Guus Sliepen and others.\n"
|
2002-09-09 21:25:28 +00:00
|
|
|
"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"));
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2003-08-02 20:50:38 +00:00
|
|
|
if(show_help) {
|
2003-07-22 20:55:21 +00:00
|
|
|
usage(false);
|
2003-08-02 20:50:38 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2003-05-06 23:14:45 +00:00
|
|
|
if(kill_tincd)
|
2003-08-02 20:50:38 +00:00
|
|
|
return !kill_other(kill_tincd);
|
2003-05-06 23:14:45 +00:00
|
|
|
|
2003-08-08 19:45:21 +00:00
|
|
|
openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR);
|
2001-01-06 18:03:41 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
/* Lock all pages into memory if requested */
|
|
|
|
|
|
|
|
if(do_mlock)
|
2002-09-09 19:40:12 +00:00
|
|
|
#ifdef HAVE_MLOCKALL
|
2002-09-09 21:25:28 +00:00
|
|
|
if(mlockall(MCL_CURRENT | MCL_FUTURE)) {
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_ERR, _("System call `%s' failed: %s"), "mlockall",
|
2002-09-09 21:25:28 +00:00
|
|
|
strerror(errno));
|
2002-09-09 19:40:12 +00:00
|
|
|
#else
|
2002-09-09 21:25:28 +00:00
|
|
|
{
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_ERR, _("mlockall() not supported on this platform!"));
|
2002-09-09 19:40:12 +00:00
|
|
|
#endif
|
2002-09-09 21:25:28 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
g_argv = argv;
|
|
|
|
|
|
|
|
init_configuration(&config_tree);
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
/* Slllluuuuuuurrrrp! */
|
2000-03-26 00:33:07 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
RAND_load_file("/dev/urandom", 1024);
|
2002-02-10 21:57:54 +00:00
|
|
|
|
2003-01-17 00:43:58 +00:00
|
|
|
OpenSSL_add_all_algorithms();
|
2002-02-10 21:57:54 +00:00
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
if(generate_keys) {
|
|
|
|
read_server_config();
|
2003-08-02 20:50:38 +00:00
|
|
|
return !keygen(generate_keys);
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
if(!read_server_config())
|
2003-08-02 20:50:38 +00:00
|
|
|
return 1;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2003-05-06 23:14:45 +00:00
|
|
|
if(lzo_init() != LZO_E_OK) {
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_ERR, _("Error initializing LZO compressor!"));
|
2003-08-02 20:50:38 +00:00
|
|
|
return 1;
|
2003-05-06 23:14:45 +00:00
|
|
|
}
|
|
|
|
|
2003-07-29 22:59:01 +00:00
|
|
|
#ifdef HAVE_MINGW
|
|
|
|
if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
|
2003-08-02 20:50:38 +00:00
|
|
|
logger(LOG_ERR, _("System call `%s' failed: %s"), "WSAStartup", winerror(GetLastError()));
|
|
|
|
return 1;
|
2003-07-29 22:59:01 +00:00
|
|
|
}
|
2003-08-02 20:50:38 +00:00
|
|
|
|
|
|
|
if(!do_detach || !init_service())
|
|
|
|
return main2(argc, argv);
|
|
|
|
else
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int main2(int argc, char **argv)
|
|
|
|
{
|
2003-07-29 22:59:01 +00:00
|
|
|
#endif
|
2003-08-02 20:50:38 +00:00
|
|
|
|
2003-07-22 20:55:21 +00:00
|
|
|
if(!detach())
|
2003-08-02 20:50:38 +00:00
|
|
|
return 1;
|
2003-05-06 23:14:45 +00:00
|
|
|
|
2003-08-02 20:50:38 +00:00
|
|
|
|
2003-12-07 14:31:09 +00:00
|
|
|
/* Setup sockets and open device. */
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2003-12-07 14:31:09 +00:00
|
|
|
if(!setup_network_connections())
|
|
|
|
goto end;
|
2003-08-03 09:08:52 +00:00
|
|
|
|
|
|
|
/* Start main loop. It only exits when tinc is killed. */
|
|
|
|
|
|
|
|
status = main_loop();
|
|
|
|
|
|
|
|
/* Shutdown properly. */
|
|
|
|
|
|
|
|
close_network_connections();
|
|
|
|
|
|
|
|
ifdebug(CONNECTIONS)
|
|
|
|
dump_device_stats();
|
|
|
|
|
2003-12-07 14:31:09 +00:00
|
|
|
end:
|
2003-08-03 09:08:52 +00:00
|
|
|
logger(LOG_NOTICE, _("Terminating"));
|
2003-09-08 21:52:47 +00:00
|
|
|
|
|
|
|
#ifndef HAVE_MINGW
|
|
|
|
remove_pid(pidfilename);
|
|
|
|
#endif
|
|
|
|
|
2003-08-03 09:08:52 +00:00
|
|
|
return status;
|
2000-03-26 00:33:07 +00:00
|
|
|
}
|