/*
tincd.c -- the main file for tincd
Copyright (C) 1998-2005 Ivo Timmermans
- 2000-2011 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2017 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>
#include <time.h>
#endif
+#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
+#else
+#include "getopt.h"
+#endif
+
#include "pidfile.h"
#include "conf.h"
/* If nonzero, write log entries to a separate file. */
bool use_logfile = false;
-char *identname = NULL; /* program name for syslog */
-char *pidfilename = NULL; /* pid file location */
-char *logfilename = NULL; /* log file location */
-char **g_argv; /* a copy of the cmdline arguments */
+char *identname = NULL; /* program name for syslog */
+char *pidfilename = NULL; /* pid file location */
+char *logfilename = NULL; /* log file location */
+char **g_argv; /* a copy of the cmdline arguments */
-static int status;
+static int status = 1;
static struct option const long_options[] = {
{"config", required_argument, NULL, 'c'},
static void usage(bool status) {
if(status)
fprintf(stderr, "Try `%s --help\' for more information.\n",
- program_name);
+ 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"
- " -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");
+ " -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");
}
}
cmdline_conf = list_alloc((list_action_t)free_config);
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;
+ switch(r) {
+ case 0: /* long option */
+ break;
- case 'c': /* config file */
- confbase = xstrdup(optarg);
- break;
+ case 'c': /* config file */
+ if(confbase) {
+ fprintf(stderr, "Only one configuration directory can be given.\n");
+ usage(true);
+ return false;
+ }
- case 'D': /* no detach */
- do_detach = false;
- break;
+ confbase = xstrdup(optarg);
+ break;
- case 'L': /* no detach */
+ case 'D': /* no detach */
+ do_detach = false;
+ break;
+
+ case 'L': /* no detach */
#ifndef HAVE_MLOCKALL
- logger(LOG_ERR, "%s not supported on this platform", "mlockall()");
- return false;
+ logger(LOG_ERR, "%s not supported on this platform", "mlockall()");
+ return false;
#else
- do_mlock = true;
- break;
+ do_mlock = true;
+ break;
#endif
- case 'd': /* inc debug level */
- if(optarg)
- debug_level = atoi(optarg);
- else
- debug_level++;
- break;
+ case 'd': /* increase debug level */
+ if(!optarg && optind < argc && *argv[optind] != '-') {
+ optarg = argv[optind++];
+ }
+
+ if(optarg) {
+ debug_level = atoi(optarg);
+ } else {
+ debug_level++;
+ }
- case 'k': /* kill old tincds */
+ break;
+
+ case 'k': /* kill old tincds */
#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 if(!strcasecmp(optarg, "ABRT"))
- kill_tincd = SIGABRT;
- 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
+ if(!optarg && optind < argc && *argv[optind] != '-') {
+ optarg = argv[optind++];
+ }
+
+ 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 if(!strcasecmp(optarg, "ABRT")) {
+ kill_tincd = SIGABRT;
+ } 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;
+ kill_tincd = 1;
#endif
- break;
+ break;
+
+ case 'n': /* net name given */
+
+ /* netname "." is special: a "top-level name" */
+ if(netname) {
+ fprintf(stderr, "Only one netname can be given.\n");
+ usage(true);
+ return false;
+ }
+
+ if(optarg && strcmp(optarg, ".")) {
+ netname = xstrdup(optarg);
+ }
+
+ 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 */
+ if(!optarg && optind < argc && *argv[optind] != '-') {
+ optarg = argv[optind++];
+ }
- case 'n': /* net name given */
- /* netname "." is special: a "top-level name" */
- netname = strcmp(optarg, ".") != 0 ?
- xstrdup(optarg) : NULL;
- break;
+ if(optarg) {
+ generate_keys = atoi(optarg);
- case 'o': /* option */
- cfg = parse_config_line(optarg, NULL, ++lineno);
- if (!cfg)
+ if(generate_keys < 512) {
+ fprintf(stderr, "Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n",
+ optarg);
+ usage(true);
return false;
- list_insert_tail(cmdline_conf, cfg);
- break;
+ }
- case 'K': /* generate public/private keypair */
- if(optarg) {
- generate_keys = atoi(optarg);
+ generate_keys &= ~7; /* Round it to bytes */
+ } else {
+ generate_keys = 2048;
+ }
- if(generate_keys < 512) {
- fprintf(stderr, "Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n",
- optarg);
- usage(true);
- return false;
- }
+ break;
- generate_keys &= ~7; /* Round it to bytes */
- } else
- generate_keys = 2048;
- break;
+ case 'R': /* chroot to NETNAME dir */
+ do_chroot = true;
+ break;
- case 'R': /* chroot to NETNAME dir */
- do_chroot = true;
- break;
+ case 'U': /* setuid to USER */
+ switchuser = optarg;
+ break;
+
+ case 1: /* show help */
+ show_help = true;
+ break;
+
+ case 2: /* show version */
+ show_version = true;
+ break;
- case 'U': /* setuid to USER */
- switchuser = optarg;
- break;
+ case 3: /* bypass security */
+ bypass_security = true;
+ break;
- case 1: /* show help */
- show_help = true;
- break;
+ case 4: /* write log entries to a file */
+ use_logfile = true;
- case 2: /* show version */
- show_version = true;
- break;
+ if(!optarg && optind < argc && *argv[optind] != '-') {
+ optarg = argv[optind++];
+ }
- case 3: /* bypass security */
- bypass_security = true;
- break;
+ if(optarg) {
+ if(logfilename) {
+ fprintf(stderr, "Only one logfile can be given.\n");
+ usage(true);
+ return false;
+ }
- case 4: /* write log entries to a file */
- use_logfile = true;
- if(optarg)
- logfilename = xstrdup(optarg);
- break;
+ logfilename = xstrdup(optarg);
+ }
- case 5: /* write PID to a file */
- pidfilename = xstrdup(optarg);
- break;
+ break;
- case '?':
+ case 5: /* write PID to a file */
+ if(pidfilename) {
+ fprintf(stderr, "Only one pidfile can be given.\n");
usage(true);
return false;
+ }
- default:
- break;
+ pidfilename = xstrdup(optarg);
+ break;
+
+ case '?':
+ usage(true);
+ return false;
+
+ default:
+ break;
}
}
+ if(optind < argc) {
+ fprintf(stderr, "%s: unrecognized argument '%s'\n", argv[0], argv[optind]);
+ usage(true);
+ return false;
+ }
+
return true;
}
/* This function prettyprints the key generation process */
-static void indicator(int a, int b, void *p) {
- switch (a) {
- case 0:
- fprintf(stderr, ".");
- break;
+static int indicator(int a, int b, BN_GENCB *cb) {
+ (void)cb;
- case 1:
- fprintf(stderr, "+");
- break;
+ switch(a) {
+ case 0:
+ fprintf(stderr, ".");
+ break;
- case 2:
- fprintf(stderr, "-");
- break;
+ case 1:
+ fprintf(stderr, "+");
+ break;
- case 3:
- switch (b) {
- case 0:
- fprintf(stderr, " p\n");
- break;
+ case 2:
+ fprintf(stderr, "-");
+ break;
- case 1:
- fprintf(stderr, " q\n");
- break;
+ case 3:
+ switch(b) {
+ case 0:
+ fprintf(stderr, " p\n");
+ break;
- default:
- fprintf(stderr, "?");
- }
+ case 1:
+ fprintf(stderr, " q\n");
break;
default:
fprintf(stderr, "?");
+ }
+
+ break;
+
+ default:
+ fprintf(stderr, "?");
}
+
+ return 1;
}
+#ifndef HAVE_BN_GENCB_NEW
+BN_GENCB *BN_GENCB_new(void) {
+ return xmalloc_and_zero(sizeof(BN_GENCB));
+}
+
+void BN_GENCB_free(BN_GENCB *cb) {
+ free(cb);
+}
+#endif
+
/*
Generate a public/private RSA keypair, and ask for a file to store
them in.
*/
static bool keygen(int bits) {
+ BIGNUM *e = NULL;
RSA *rsa_key;
FILE *f;
- char *name = NULL;
- char *filename;
+ char filename[PATH_MAX];
+ BN_GENCB *cb;
+ int result;
- get_config_string(lookup_config(config_tree, "Name"), &name);
+ fprintf(stderr, "Generating %d bits keys:\n", bits);
- if(name && !check_id(name)) {
- fprintf(stderr, "Invalid name for myself!\n");
- return false;
+ cb = BN_GENCB_new();
+
+ if(!cb) {
+ abort();
}
- fprintf(stderr, "Generating %d bits keys:\n", bits);
- rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL);
+ BN_GENCB_set(cb, indicator, NULL);
+
+ rsa_key = RSA_new();
+ BN_hex2bn(&e, "10001");
- if(!rsa_key) {
+ if(!rsa_key || !e) {
+ abort();
+ }
+
+ result = RSA_generate_key_ex(rsa_key, bits, e, cb);
+
+ BN_free(e);
+ BN_GENCB_free(cb);
+
+ if(!result) {
fprintf(stderr, "Error during key generation!\n");
+ RSA_free(rsa_key);
return false;
- } else
+ } else {
fprintf(stderr, "Done.\n");
+ }
- xasprintf(&filename, "%s/rsa_key.priv", confbase);
+ snprintf(filename, sizeof(filename), "%s/rsa_key.priv", confbase);
f = ask_and_open(filename, "private RSA key");
- if(!f)
+ if(!f) {
+ RSA_free(rsa_key);
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);
- else
- xasprintf(&filename, "%s/rsa_key.pub", confbase);
+ char *name = get_name();
+
+ if(name) {
+ snprintf(filename, sizeof(filename), "%s/hosts/%s", confbase, name);
+ free(name);
+ } else {
+ snprintf(filename, sizeof(filename), "%s/rsa_key.pub", confbase);
+ }
f = ask_and_open(filename, "public RSA key");
- if(!f)
+ if(!f) {
+ RSA_free(rsa_key);
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);
+
+ RSA_free(rsa_key);
return true;
}
#ifdef HAVE_MINGW
HKEY key;
char installdir[1024] = "";
- long len = sizeof(installdir);
+ DWORD len = sizeof(installdir);
#endif
- if(netname)
+ if(netname) {
xasprintf(&identname, "tinc.%s", netname);
- else
+ } 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)
- xasprintf(&logfilename, "%s/log/%s.log", identname);
+ if(!RegQueryValueEx(key, NULL, 0, 0, (LPBYTE)installdir, &len)) {
if(!confbase) {
- if(netname)
+ if(netname) {
xasprintf(&confbase, "%s/%s", installdir, netname);
- else
+ } else {
xasprintf(&confbase, "%s", installdir);
+ }
+ }
+
+ if(!logfilename) {
+ xasprintf(&logfilename, "%s/tinc.log", confbase);
}
}
+
RegCloseKey(key);
- if(*installdir)
+
+ if(*installdir) {
return;
+ }
}
+
#endif
- if(!pidfilename)
+ if(!pidfilename) {
xasprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname);
+ }
- if(!logfilename)
+ if(!logfilename) {
xasprintf(&logfilename, LOCALSTATEDIR "/log/%s.log", identname);
+ }
if(netname) {
- if(!confbase)
+ if(!confbase) {
xasprintf(&confbase, CONFDIR "/tinc/%s", netname);
- else
+ } else {
logger(LOG_INFO, "Both netname and configuration directory given, using the latter...");
+ }
} else {
- if(!confbase)
+ if(!confbase) {
xasprintf(&confbase, CONFDIR "/tinc");
+ }
}
}
static void free_names() {
- if (identname) free(identname);
- if (netname) free(netname);
- if (pidfilename) free(pidfilename);
- if (logfilename) free(logfilename);
- if (confbase) free(confbase);
+ if(identname) {
+ free(identname);
+ }
+
+ if(netname) {
+ free(netname);
+ }
+
+ if(pidfilename) {
+ free(pidfilename);
+ }
+
+ if(logfilename) {
+ free(logfilename);
+ }
+
+ if(confbase) {
+ free(confbase);
+ }
}
static bool drop_privs() {
#ifdef HAVE_MINGW
- if (switchuser) {
+
+ if(switchuser) {
logger(LOG_ERR, "%s not supported on this platform", "-U");
return false;
}
- if (do_chroot) {
+
+ if(do_chroot) {
logger(LOG_ERR, "%s not supported on this platform", "-R");
return false;
}
+
#else
uid_t uid = 0;
- if (switchuser) {
+
+ if(switchuser) {
struct passwd *pw = getpwnam(switchuser);
- if (!pw) {
+
+ if(!pw) {
logger(LOG_ERR, "unknown user `%s'", switchuser);
return false;
}
+
uid = pw->pw_uid;
- if (initgroups(switchuser, pw->pw_gid) != 0 ||
- setgid(pw->pw_gid) != 0) {
+
+ if(initgroups(switchuser, pw->pw_gid) != 0 ||
+ setgid(pw->pw_gid) != 0) {
logger(LOG_ERR, "System call `%s' failed: %s",
"initgroups", strerror(errno));
return false;
}
+
+#ifndef ANDROID
+// Not supported in android NDK
endgrent();
endpwent();
+#endif
}
- if (do_chroot) {
- tzset(); /* for proper timestamps in logs */
- if (chroot(confbase) != 0 || chdir("/") != 0) {
+
+ if(do_chroot) {
+ tzset(); /* for proper timestamps in logs */
+
+ if(chroot(confbase) != 0 || chdir("/") != 0) {
logger(LOG_ERR, "System call `%s' failed: %s",
"chroot", strerror(errno));
return false;
}
+
free(confbase);
confbase = xstrdup("");
}
- if (switchuser)
- if (setuid(uid) != 0) {
+
+ if(switchuser)
+ if(setuid(uid) != 0) {
logger(LOG_ERR, "System call `%s' failed: %s",
"setuid", strerror(errno));
return false;
}
+
#endif
return true;
}
int main(int argc, char **argv) {
program_name = argv[0];
- if(!parse_options(argc, argv))
+ 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) 1998-2011 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");
+ printf("%s version %s\n", PACKAGE, VERSION);
+ printf("Copyright (C) 1998-2017 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;
}
return 0;
}
- if(kill_tincd)
+ make_names();
+
+ if(kill_tincd) {
return !kill_other(kill_tincd);
+ }
- openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR);
+ openlogger("tinc", use_logfile ? LOGMODE_FILE : LOGMODE_STDERR);
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! */
return !keygen(generate_keys);
}
- if(!read_server_config())
+ 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)) {
logger(LOG_ERR, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
return 1;
}
- if(!do_detach || !init_service())
+ if(!do_detach || !init_service()) {
return main2(argc, argv);
- else
+ } else {
return 1;
+ }
}
int main2(int argc, char **argv) {
InitializeCriticalSection(&mutex);
EnterCriticalSection(&mutex);
#endif
- char *priority = NULL;
+ char *priority = NULL;
- if(!detach())
+ if(!detach()) {
return 1;
+ }
#ifdef HAVE_MLOCKALL
+
/* Lock all pages into memory if requested.
* This has to be done after daemon()/fork() so it works for child.
* No need to do that in parent as it's very short-lived. */
if(do_mlock && mlockall(MCL_CURRENT | MCL_FUTURE) != 0) {
logger(LOG_ERR, "System call `%s' failed: %s", "mlockall",
- strerror(errno));
+ strerror(errno));
return 1;
}
+
#endif
/* Setup sockets and open device. */
- if(!setup_network())
+ if(!setup_network()) {
goto end;
+ }
/* Initiate all outgoing connections. */
/* Change process priority */
- if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
- 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;
- }
- }
+ if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
+ 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;
+ }
+ }
/* drop privileges */
- if (!drop_privs())
+ if(!drop_privs()) {
goto end;
+ }
/* Start main loop. It only exits when tinc is killed. */
/* Shutdown properly. */
ifdebug(CONNECTIONS)
- devops.dump_stats();
+ devops.dump_stats();
close_network_connections();
free(priority);
EVP_cleanup();
- ENGINE_cleanup();
- CRYPTO_cleanup_all_ex_data();
- ERR_remove_state(0);
ERR_free_strings();
+ ENGINE_cleanup();
exit_configuration(&config_tree);
- list_free(cmdline_conf);
+ list_delete_list(cmdline_conf);
free_names();
return status;
projects / tinc / blobdiff