/*
tincd.c -- the main file for tincd
Copyright (C) 1998-2005 Ivo Timmermans
- 2000-2011 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>
/* If nonzero, write log entries to a separate file. */
bool use_logfile = false;
-char *identname = NULL; /* program name for syslog */
-char *logfilename = NULL; /* log file location */
+char *identname = NULL; /* program name for syslog */
+char *logfilename = NULL; /* log file location */
char *pidfilename = NULL;
-char **g_argv; /* a copy of the cmdline arguments */
+char **g_argv; /* a copy of the cmdline arguments */
static int status = 1;
program_name);
else {
printf("Usage: %s [option]...\n\n", program_name);
- printf( " -c, --config=DIR Read configuration options from DIR.\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"
" -n, --net=NETNAME Connect to net NETNAME.\n"
" --bypass-security Disables meta protocol security, for debugging.\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"
+ " -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");
}
while((r = getopt_long(argc, argv, "c:DLd::n:o:RU:", long_options, &option_index)) != EOF) {
switch (r) {
- case 0: /* long option */
+ case 0: /* long option */
break;
- case 'c': /* config file */
+ case 'c': /* config file */
confbase = xstrdup(optarg);
break;
- case 'D': /* no detach */
+ case 'D': /* no detach */
do_detach = false;
break;
- case 'L': /* no detach */
+ case 'L': /* no detach */
#ifndef HAVE_MLOCKALL
logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "mlockall()");
return false;
break;
#endif
- case 'd': /* inc debug level */
+ case 'd': /* inc debug level */
if(optarg)
debug_level = atoi(optarg);
else
debug_level++;
break;
- case 'n': /* net name given */
- /* netname "." is special: a "top-level name" */
- netname = strcmp(optarg, ".") != 0 ?
- xstrdup(optarg) : NULL;
+ case 'n': /* net name given */
+ netname = xstrdup(optarg);
break;
- case 'o': /* option */
+ case 'o': /* option */
cfg = parse_config_line(optarg, NULL, ++lineno);
if (!cfg)
return false;
list_insert_tail(cmdline_conf, cfg);
break;
- case 'R': /* chroot to NETNAME dir */
+ case 'R': /* chroot to NETNAME dir */
do_chroot = true;
break;
- case 'U': /* setuid to USER */
+ case 'U': /* setuid to USER */
switchuser = optarg;
break;
- case 1: /* show help */
+ case 1: /* show help */
show_help = true;
break;
- case 2: /* show version */
+ case 2: /* show version */
show_version = true;
break;
- case 3: /* bypass security */
+ case 3: /* bypass security */
bypass_security = true;
break;
- case 4: /* write log entries to a file */
+ case 4: /* write log entries to a file */
use_logfile = true;
if(optarg)
logfilename = xstrdup(optarg);
break;
- case 5: /* open control socket here */
+ case 5: /* open control socket here */
pidfilename = xstrdup(optarg);
break;
- case '?':
+ case '?': /* wrong options */
usage(true);
return false;
}
}
+ if(!netname && (netname = getenv("NETNAME")))
+ netname = xstrdup(netname);
+
+ /* netname "." is special: a "top-level name" */
+
+ if(netname && (!*netname || !strcmp(netname, "."))) {
+ free(netname);
+ netname = NULL;
+ }
+
+ if(netname && (strpbrk(netname, "\\/") || *netname == '.')) {
+ fprintf(stderr, "Invalid character in netname!\n");
+ return false;
+ }
+
return true;
}
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);
+ xasprintf(&logfilename, "%s" SLASH "log" SLASH "%s.log", identname);
if(!confbase) {
if(netname)
- xasprintf(&confbase, "%s/%s", installdir, netname);
+ xasprintf(&confbase, "%s" SLASH "%s", installdir, netname);
else
xasprintf(&confbase, "%s", installdir);
}
if(!pidfilename)
- xasprintf(&pidfilename, "%s/pid", confbase);
+ xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
}
RegCloseKey(key);
if(*installdir)
#endif
if(!logfilename)
- xasprintf(&logfilename, LOCALSTATEDIR "/log/%s.log", identname);
+ xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname);
if(!pidfilename)
- xasprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname);
+ xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
if(netname) {
if(!confbase)
- xasprintf(&confbase, CONFDIR "/tinc/%s", netname);
+ xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname);
else
logger(DEBUG_ALWAYS, LOG_INFO, "Both netname and configuration directory given, using the latter...");
} else {
if(!confbase)
- xasprintf(&confbase, CONFDIR "/tinc");
+ xasprintf(&confbase, CONFDIR SLASH "tinc");
}
}
"initgroups", strerror(errno));
return false;
}
+#ifndef __ANDROID__
+// Not supported in android NDK
endgrent();
endpwent();
+#endif
}
if (do_chroot) {
- tzset(); /* for proper timestamps in logs */
+ tzset(); /* for proper timestamps in logs */
if (chroot(confbase) != 0 || chdir("/") != 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s",
"chroot", strerror(errno));
if(!parse_options(argc, argv))
return 1;
-
+
make_names();
if(show_version) {
printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE,
VERSION, __DATE__, __TIME__, PROT_MAJOR, PROT_MINOR);
- printf("Copyright (C) 1998-2011 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"
openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR);
- if(!event_init()) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error initializing libevent!");
- return 1;
- }
-
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! */
InitializeCriticalSection(&mutex);
EnterCriticalSection(&mutex);
#endif
- char *priority = NULL;
+ char *priority = NULL;
if(!detach())
return 1;
}
#endif
+ if(!event_init()) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error initializing libevent!");
+ return 1;
+ }
+
/* Setup sockets and open device. */
if(!setup_network())
/* Change process priority */
- if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
- if(!strcasecmp(priority, "Normal")) {
- if (setpriority(NORMAL_PRIORITY_CLASS) != 0) {
- logger(DEBUG_ALWAYS, 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(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s",
- "setpriority", strerror(errno));
- goto end;
- }
- } else if(!strcasecmp(priority, "High")) {
- if (setpriority(HIGH_PRIORITY_CLASS) != 0) {
- logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s",
- "setpriority", strerror(errno));
- goto end;
- }
- } else {
- logger(DEBUG_ALWAYS, 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(DEBUG_ALWAYS, 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(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
+ goto end;
+ }
+ } else if(!strcasecmp(priority, "High")) {
+ if (setpriority(HIGH_PRIORITY_CLASS) != 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
+ goto end;
+ }
+ } else {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid priority `%s`!", priority);
+ goto end;
+ }
+ }
/* drop privileges */
if (!drop_privs())
projects / tinc / blobdiff