/*
tincd.c -- the main file for tincd
- Copyright (C) 1998,1999,2000 Ivo Timmermans <itimmermans@bigfoot.com>
- 2000 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 1998-2001 Ivo Timmermans <itimmermans@bigfoot.com>
+ 2000,2001 Guus Sliepen <guus@sliepen.warande.net>
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 1.10.4.31 2000/11/20 18:06:17 zarq Exp $
+ $Id: tincd.c,v 1.10.4.56 2001/11/16 22:40:26 zarq Exp $
*/
#include "config.h"
# include <sys/ioctl.h>
#endif
-#ifdef HAVE_OPENSSL_RAND_H
-# include <openssl/rand.h>
-#else
-# include <rand.h>
-#endif
-
-#ifdef HAVE_OPENSSL_RSA_H
-# include <openssl/rsa.h>
-#else
-# include <rsa.h>
-#endif
-
-#ifdef HAVE_OPENSSL_ERR_H
-# include <openssl/err.h>
-#else
-# include <err.h>
-#endif
-
-
+#include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/pem.h>
#include <utils.h>
#include <xalloc.h>
#include "conf.h"
#include "net.h"
-#include "netutl.h"
#include "process.h"
#include "protocol.h"
#include "subnet.h"
char *program_name;
/* If nonzero, display usage information and exit. */
-static int show_help;
+int show_help;
/* If nonzero, print the version on standard output and exit. */
-static int show_version;
+int show_version;
/* If nonzero, it will attempt to kill a running tincd and exit. */
-static int kill_tincd = 0;
-
-/* If zero, don't detach from the terminal. */
-extern int do_detach;
+int kill_tincd = 0;
/* If nonzero, generate public/private keypair for this host/net. */
-static int generate_keys = 0;
+int generate_keys = 0;
+
+/* If nonzero, use null ciphers and skip all key exchanges. */
+int bypass_security = 0;
char *identname; /* program name for syslog */
char *pidfilename; /* pid file location */
char **environment; /* A pointer to the environment on
startup */
-void cleanup_and_exit(int);
-int kill_other(void);
-void make_names(void);
-int write_pidfile(void);
-
static struct option const long_options[] =
{
{ "config", required_argument, NULL, 'c' },
- { "kill", no_argument, NULL, 'k' },
+ { "kill", optional_argument, NULL, 'k' },
{ "net", required_argument, NULL, 'n' },
{ "help", no_argument, &show_help, 1 },
{ "version", no_argument, &show_version, 1 },
{ "no-detach", no_argument, &do_detach, 0 },
{ "generate-keys", optional_argument, NULL, 'K'},
+ { "debug", optional_argument, NULL, 'd'},
+ { "bypass-security", no_argument, &bypass_security, 1 },
{ NULL, 0, NULL, 0 }
};
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 Increase debug level.\n"
- " -k, --kill Attempt to kill a running tincd and exit.\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"));
printf(_(" -K, --generate-keys[=BITS] Generate public/private RSA keypair.\n"
" --help Display this help and exit.\n"
int r;
int option_index = 0;
- while((r = getopt_long(argc, argv, "c:Ddkn:K::", long_options, &option_index)) != EOF)
+ while((r = getopt_long(argc, argv, "c:Dd::k::n:K::", long_options, &option_index)) != EOF)
{
switch(r)
{
do_detach = 0;
break;
case 'd': /* inc debug level */
- debug_lvl++;
+ if(optarg)
+ debug_lvl = atoi(optarg);
+ else
+ debug_lvl++;
break;
case 'k': /* kill old tincds */
- kill_tincd = 1;
+ kill_tincd = optarg?atoi(optarg):SIGTERM;
break;
case 'n': /* net name given */
netname = xmalloc(strlen(optarg)+1);
generate_keys = atoi(optarg);
if(generate_keys < 512)
{
- fprintf(stderr, _("Invalid argument! 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(1);
}
generate_keys &= ~7; /* Round it to bytes */
}
}
-/* Generate a public/private RSA keypair, and possibly store it into the configuration file. */
-
+/*
+ Generate a public/private RSA keypair, and ask for a file to store
+ them in.
+*/
int keygen(int bits)
{
RSA *rsa_key;
+ FILE *f;
+ char *name = NULL;
+ char *filename;
fprintf(stderr, _("Generating %d bits keys:\n"), bits);
rsa_key = RSA_generate_key(bits, 0xFFFF, indicator, NULL);
+
if(!rsa_key)
{
- fprintf(stderr, _("Error during key generation!"));
+ fprintf(stderr, _("Error during key generation!\n"));
return -1;
- }
+ }
else
fprintf(stderr, _("Done.\n"));
- fprintf(stderr, _("Please copy the private key to tinc.conf and the\npublic key to your host configuration file:\n\n"));
- printf("PublicKey = %s\n", BN_bn2hex(rsa_key->n));
- printf("PrivateKey = %s\n", BN_bn2hex(rsa_key->d));
+ 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);
+
+ if((f = ask_and_safe_open(filename, _("public RSA key"), "a")) == NULL)
+ return -1;
+
+ if(ftell(f))
+ fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
+
+ PEM_write_RSAPublicKey(f, rsa_key);
+ fclose(f);
+ free(filename);
- fflush(stdin);
+ asprintf(&filename, "%s/rsa_key.priv", confbase);
+ if((f = ask_and_safe_open(filename, _("private RSA key"), "a")) == NULL)
+ return -1;
+
+ if(ftell(f))
+ fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
+
+ PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
+ fclose(f);
+ free(filename);
+
return 0;
}
if(netname)
{
if(!pidfilename)
- asprintf(&pidfilename, "/var/run/tinc.%s.pid", netname);
+ asprintf(&pidfilename, LOCALSTATEDIR "/run/tinc.%s.pid", netname);
if(!confbase)
asprintf(&confbase, "%s/tinc/%s", CONFDIR, netname);
else
- fprintf(stderr, _("Both netname and configuration directory given, using the latter...\n"));
+ syslog(LOG_INFO, _("Both netname and configuration directory given, using the latter..."));
if(!identname)
asprintf(&identname, "tinc.%s", netname);
}
else
{
if(!pidfilename)
- pidfilename = "/var/run/tinc.pid";
+ pidfilename = LOCALSTATEDIR "/run/tinc.pid";
if(!confbase)
asprintf(&confbase, "%s/tinc", CONFDIR);
if(!identname)
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- /* Do some intl stuff right now */
-
- unknown = _("unknown");
-
environment = envp;
parse_options(argc, argv, envp);
if(show_version)
{
printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE, VERSION, __DATE__, __TIME__, PROT_CURRENT);
- printf(_("Copyright (C) 1998,1999,2000 Ivo Timmermans, Guus Sliepen and others.\n"
+ printf(_("Copyright (C) 1998-2001 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"
if(geteuid())
{
- fprintf(stderr, _("You must be root to run this program. Sorry.\n"));
+ fprintf(stderr, _("You must be root to run this program.\n"));
return 1;
}
+#ifdef HAVE_SOLARIS
+ openlog("tinc", LOG_CONS, LOG_DAEMON); /* Catch all syslog() calls issued before detaching */
+#else
+ openlog("tinc", LOG_PERROR, LOG_DAEMON); /* Catch all syslog() calls issued before detaching */
+#endif
+
g_argv = argv;
make_names();
+ init_configuration(&config_tree);
/* Slllluuuuuuurrrrp! */
-
+cp
RAND_load_file("/dev/urandom", 1024);
-
+cp
if(generate_keys)
- exit(keygen(generate_keys));
-
+ {
+ read_server_config();
+ exit(keygen(generate_keys));
+ }
+
if(kill_tincd)
- exit(kill_other());
+ exit(kill_other(kill_tincd));
if(read_server_config())
- return 1;
-
+ exit(1);
+cp
if(detach())
exit(0);
-
- if(debug_lvl >= DEBUG_ERROR)
- ERR_load_crypto_strings();
-
+cp
for(;;)
{
if(!setup_network_connections())
if(do_detach)
{
- syslog(LOG_NOTICE, _("Restarting in %d seconds!"), MAXTIMEOUT);
- sleep(MAXTIMEOUT);
+ syslog(LOG_NOTICE, _("Restarting in %d seconds!"), maxtimeout);
+ sleep(maxtimeout);
}
else
{
syslog(LOG_ERR, _("Not restarting."));
- exit(0);
+ exit(1);
}
}
}
-
projects / tinc / blobdiff