+static void make_names(void) {
+#ifdef HAVE_MINGW
+ HKEY key;
+ char installdir[1024] = "";
+ long len = sizeof installdir;
+#endif
+
+ if(netname)
+ xasprintf(&identname, "tinc.%s", netname);
+ 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" SLASH "log" SLASH "%s.log", identname);
+ if(!confbase) {
+ if(netname)
+ xasprintf(&confbase, "%s" SLASH "%s", installdir, netname);
+ else
+ xasprintf(&confbase, "%s", installdir);
+ }
+ if(!pidfilename)
+ xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
+ }
+ RegCloseKey(key);
+ if(*installdir)
+ return;
+ }
+#endif
+
+ if(!logfilename)
+ xasprintf(&logfilename, LOCALSTATEDIR SLASH "log" SLASH "%s.log", identname);
+
+ if(!pidfilename)
+ xasprintf(&pidfilename, LOCALSTATEDIR SLASH "run" SLASH "%s.pid", identname);
+
+ if(netname) {
+ if(!confbase)
+ 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 SLASH "tinc");
+ }
+}
+
+static void free_names(void) {
+ if (identname) free(identname);
+ if (netname) free(netname);
+ if (pidfilename) free(pidfilename);
+ if (logfilename) free(logfilename);
+ if (confbase) free(confbase);
+}
+
+static bool drop_privs(void) {
+#ifdef HAVE_MINGW
+ if (switchuser) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "-U");
+ return false;
+ }
+ if (do_chroot) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "%s not supported on this platform", "-R");
+ return false;
+ }
+#else
+ uid_t uid = 0;
+ if (switchuser) {
+ struct passwd *pw = getpwnam(switchuser);
+ if (!pw) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "unknown user `%s'", switchuser);
+ return false;
+ }
+ uid = pw->pw_uid;
+ if (initgroups(switchuser, pw->pw_gid) != 0 ||
+ setgid(pw->pw_gid) != 0) {
+ logger(DEBUG_ALWAYS, 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) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s",
+ "chroot", strerror(errno));
+ return false;
+ }
+ free(confbase);
+ confbase = xstrdup("");
+ }
+ if (switchuser)
+ if (setuid(uid) != 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s",
+ "setuid", strerror(errno));
+ return false;
+ }
+#endif
+ return true;
+}
+
+#ifdef HAVE_MINGW
+# 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) (setpriority(PRIO_PROCESS, 0, (level)))
+#endif
+
+int main(int argc, char **argv) {
+ program_name = argv[0];
+
+ 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) 1998-2012 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"
+ "see the file COPYING for details.\n");
+
+ return 0;
+ }
+
+ if(show_help) {
+ usage(false);
+ return 0;
+ }
+
+#ifdef HAVE_MINGW
+ if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
+ return 1;
+ }
+#endif
+
+ 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! */
+
+ srand(time(NULL));
+ crypto_init();
+
+ if(!read_server_config())
+ return 1;
+
+#ifdef HAVE_LZO
+ if(lzo_init() != LZO_E_OK) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error initializing LZO compressor!");
+ return 1;
+ }
+#endif
+
+#ifdef HAVE_MINGW
+ if(!do_detach || !init_service())
+ return main2(argc, argv);
+ else
+ return 1;