/*
tincd.c -- the main file for tincd
Copyright (C) 1998-2005 Ivo Timmermans
- 2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
+ 2008 Max Rijevski <maksuf@gmail.com>
2009 Michael Tokarev <mjt@tls.msk.ru>
+ 2010 Julien Muchembled <jm@jmuchemb.eu>
+ 2010 Timothy Redaelli <timothy@redaelli.eu>
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
#include <openssl/evp.h>
#include <openssl/engine.h>
+#ifdef HAVE_LZO
#include LZO1X_H
+#endif
#ifndef HAVE_MINGW
#include <pwd.h>
{"user", required_argument, NULL, 'U'},
{"logfile", optional_argument, NULL, 4},
{"pidfile", required_argument, NULL, 5},
+ {"option", required_argument, NULL, 'o'},
{NULL, 0, NULL, 0}
};
#ifdef HAVE_MINGW
static struct WSAData wsa_state;
CRITICAL_SECTION mutex;
+int main2(int argc, char **argv);
#endif
static void usage(bool status) {
program_name);
else {
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, --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"
- " --logfile[=FILENAME] Write log entries to a logfile.\n"
- " --pidfile=FILENAME Write PID to FILENAME.\n"
- " -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"
- " --version Output version information and exit.\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"
+ " -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"
+ " --logfile[=FILENAME] Write log entries to a logfile.\n"
+ " --pidfile=FILENAME Write PID to FILENAME.\n"
+ " -o, --option=[HOST.]KEY=VALUE Set global/host configuration value.\n"
+ " -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"
+ " --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) {
+ config_t *cfg;
int r;
int option_index = 0;
+ int lineno = 0;
+
+ cmdline_conf = list_alloc((list_action_t)free_config);
- while((r = getopt_long(argc, argv, "c:DLd::k::n:K::RU:", long_options, &option_index)) != EOF) {
+ while((r = getopt_long(argc, argv, "c:DLd::k::n:o:K::RU:", long_options, &option_index)) != EOF) {
switch (r) {
case 0: /* long option */
break;
kill_tincd = SIGINT;
else if(!strcasecmp(optarg, "ALRM"))
kill_tincd = SIGALRM;
+ else if(!strcasecmp(optarg, "ABRT"))
+ kill_tincd = SIGABRT;
else {
kill_tincd = atoi(optarg);
break;
case 'n': /* net name given */
- netname = xstrdup(optarg);
+ /* netname "." is special: a "top-level name" */
+ netname = strcmp(optarg, ".") != 0 ?
+ xstrdup(optarg) : NULL;
+ break;
+
+ case 'o': /* option */
+ cfg = parse_config_line(optarg, NULL, ++lineno);
+ if (!cfg)
+ return false;
+ list_insert_tail(cmdline_conf, cfg);
break;
case 'K': /* generate public/private keypair */
static bool keygen(int bits) {
RSA *rsa_key;
FILE *f;
- char *name = NULL;
- char *filename;
-
- get_config_string(lookup_config(config_tree, "Name"), &name);
-
- if(name && !check_id(name)) {
- fprintf(stderr, "Invalid name for myself!\n");
- return false;
- }
+ char *name = get_name();
+ char *pubname, *privname;
fprintf(stderr, "Generating %d bits keys:\n", bits);
rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL);
} else
fprintf(stderr, "Done.\n");
- xasprintf(&filename, "%s/rsa_key.priv", confbase);
- f = ask_and_open(filename, "private RSA key");
+ xasprintf(&privname, "%s/rsa_key.priv", confbase);
+ f = ask_and_open(privname, "private RSA key");
+ free(privname);
if(!f)
return false;
- if(disable_old_keys(f))
- fprintf(stderr, "Warning: old key(s) found and disabled.\n");
-
#ifdef HAVE_FCHMOD
/* Make it unreadable for others. */
fchmod(fileno(f), 0600);
#endif
+ fputc('\n', f);
PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
fclose(f);
- free(filename);
if(name)
- xasprintf(&filename, "%s/hosts/%s", confbase, name);
+ xasprintf(&pubname, "%s/hosts/%s", confbase, name);
else
- xasprintf(&filename, "%s/rsa_key.pub", confbase);
+ xasprintf(&pubname, "%s/rsa_key.pub", confbase);
- f = ask_and_open(filename, "public RSA key");
+ f = ask_and_open(pubname, "public RSA key");
+ free(pubname);
if(!f)
return false;
- if(disable_old_keys(f))
- fprintf(stderr, "Warning: old key(s) found and disabled.\n");
-
+ fputc('\n', f);
PEM_write_RSAPublicKey(f, rsa_key);
fclose(f);
- free(filename);
- if(name)
- free(name);
+ free(name);
return true;
}
"initgroups", strerror(errno));
return false;
}
+#ifndef __ANDROID__
+// Not supported in android NDK
endgrent();
endpwent();
+#endif
}
if (do_chroot) {
tzset(); /* for proper timestamps in logs */
}
#ifdef HAVE_MINGW
-# define setpriority(level) SetPriorityClass(GetCurrentProcess(), level)
+# define setpriority(level) !SetPriorityClass(GetCurrentProcess(), (level))
#else
# define NORMAL_PRIORITY_CLASS 0
# define BELOW_NORMAL_PRIORITY_CLASS 10
# define HIGH_PRIORITY_CLASS -10
-# define setpriority(level) nice(level)
+# define setpriority(level) (setpriority(PRIO_PROCESS, 0, (level)))
#endif
int main(int argc, char **argv) {
if(show_version) {
printf("%s version %s (built %s %s, protocol %d)\n", PACKAGE,
VERSION, __DATE__, __TIME__, PROT_CURRENT);
- printf("Copyright (C) 1998-2009 Ivo Timmermans, Guus Sliepen and others.\n"
+ printf("Copyright (C) 1998-2012 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"
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! */
if(!read_server_config())
return 1;
+#ifdef HAVE_LZO
if(lzo_init() != LZO_E_OK) {
logger(LOG_ERR, "Error initializing LZO compressor!");
return 1;
}
+#endif
#ifdef HAVE_MINGW
if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
InitializeCriticalSection(&mutex);
EnterCriticalSection(&mutex);
#endif
+ char *priority = NULL;
if(!detach())
return 1;
/* Change process priority */
- char *priority = 0;
-
if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
- if(!strcasecmp(priority, "Normal"))
- setpriority(NORMAL_PRIORITY_CLASS);
- else if(!strcasecmp(priority, "Low"))
- setpriority(BELOW_NORMAL_PRIORITY_CLASS);
- else if(!strcasecmp(priority, "High"))
- setpriority(HIGH_PRIORITY_CLASS);
- else {
+ if(!strcasecmp(priority, "Normal")) {
+ if (setpriority(NORMAL_PRIORITY_CLASS) != 0) {
+ logger(LOG_ERR, "System call `%s' failed: %s",
+ "setpriority", strerror(errno));
+ goto end;
+ }
+ } else if(!strcasecmp(priority, "Low")) {
+ if (setpriority(BELOW_NORMAL_PRIORITY_CLASS) != 0) {
+ logger(LOG_ERR, "System call `%s' failed: %s",
+ "setpriority", strerror(errno));
+ goto end;
+ }
+ } else if(!strcasecmp(priority, "High")) {
+ if (setpriority(HIGH_PRIORITY_CLASS) != 0) {
+ logger(LOG_ERR, "System call `%s' failed: %s",
+ "setpriority", strerror(errno));
+ goto end;
+ }
+ } else {
logger(LOG_ERR, "Invalid priority `%s`!", priority);
goto end;
}
/* Shutdown properly. */
ifdebug(CONNECTIONS)
- dump_device_stats();
+ devops.dump_stats();
close_network_connections();
remove_pid(pidfilename);
#endif
+ free(priority);
+
EVP_cleanup();
ENGINE_cleanup();
CRYPTO_cleanup_all_ex_data();
ERR_free_strings();
exit_configuration(&config_tree);
+ list_free(cmdline_conf);
free_names();
return status;
projects / tinc / blobdiff