1 /* main.c - NeonServ v5.6
2 * Copyright (C) 2011-2012 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #define DEFAULT_PID_FILE "neonserv.pid"
19 #define DEFAULT_CONF_FILE "neonserv.conf"
23 #include "ClientSocket.h"
26 #include "IRCEvents.h"
27 #include "IRCParser.h"
29 #include "WHOHandler.h"
31 #include "mysqlConn.h"
32 #include "HandleInfoHandler.h"
36 #include "EventLogger.h"
40 #include "ConfigParser.h"
44 #include "module_commands.h"
45 #include "ModuleFunctions.h"
46 #include "IOHandler.h"
47 #include "statistics.h"
50 struct ProcessState process_state;
53 pthread_mutex_t cache_sync;
54 pthread_mutex_t whohandler_sync, whohandler_mass_sync;
55 static pthread_mutex_t log_sync;
56 static pthread_t *current_threads = NULL;
59 static void *main_tread(void *empty);
60 static TIMEQ_CALLBACK(clear_cache);
61 static TIMEQ_CALLBACK(main_checkauths);
62 static void check_firstrun();
65 static void main_parse_arguments() {
67 struct option options[] = {
69 {"foreground", 0, 0, 'f'},
70 {"config", 1, 0, 'c'},
73 {"version", 0, 0, 'v'},
76 while ((c = getopt_long(process_state.argc, process_state.argv, "s:fvh", options, NULL)) != -1) {
79 strncpy(process_state.config, optarg, MAXLEN-1);
82 strncpy(process_state.pidfile, optarg, MAXLEN-1);
85 process_state.loglevel = atoi(optarg);
88 process_state.run_as_daemon = 0;
91 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
92 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
96 printf("Usage: ./neonserv [-c neonserv.conf] [-p neonserv.pid] [-s loglevel] [-f] [-h|-v]\n");
97 printf(" -c, --config use this configuration file.\n");
98 printf(" -f, --foreground run NeonServ in the foreground.\n");
99 printf(" -h, --help prints this usage message.\n");
100 printf(" -p, --pid use this pid file.\n");
101 printf(" -s, --show show log lines matching loglevel in stdout.\n");
102 printf(" -v, --version prints this program's version.\n");
109 static void main_daemon_exit() {
110 remove(process_state.pidfile);
113 static void main_daemonize() {
115 /* Attempt to fork into the background if daemon mode is on. */
118 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
119 } else if (pid > 0) {
120 printf("Forking into the background (pid: %d)...\n", pid);
121 printf_log("main", LOG_INFO, "Forking into the background (pid: %d)...\n", pid);
125 process_state.daemonized = 1;
126 atexit(main_daemon_exit);
127 FILE *pidfile = fopen(process_state.pidfile, "w");
128 if (pidfile == NULL) {
129 fprintf(stderr, "Unable to create PID file: %s\n", strerror(errno));
130 printf_log("main", LOG_ERROR, "Unable to create PID file: %s\n", strerror(errno));
132 fprintf(pidfile, "%i\n", (int)getpid());
136 fclose(stdin); retn = fopen("/dev/null", "r");
137 fclose(stdout); retn = fopen("/dev/null", "w");
138 fclose(stderr); retn = fopen("/dev/null", "w");
142 static int reload_configuration() {
143 printf_log("main", LOG_DEBUG, "reloading configuration file: %s", process_state.config);
144 if(!loadConfig(process_state.config)) {
145 printf_log("main", LOG_ERROR, "could not reload configuration file: %s", process_state.config);
148 if(process_state.loaded_config) {
151 char **modulelist = get_all_fieldnames("modules");
152 if(!modulelist || !modulelist[0]) {
159 process_state.loaded_config = 1;
164 /* INITIALISATION OF SUBSYSTEMS */
165 void initialize_subsystems() {
168 printf_log("main", LOG_INFO, "starting up NeonServ %s subsystems...", NEONSERV_VERSION);
175 register_module_commands();
176 init_handleinfohandler();
178 init_modulefunctions();
187 void shutdown_subsystems() {
188 printf_log("main", LOG_INFO, "stopping NeonServ subsystems...");
190 //wait 50ms (run iohandler)
192 struct timeval timeout, ctime1, ctime2;
193 gettimeofday(&ctime1, NULL);
194 ctime1.tv_usec += 50000;
195 if(ctime1.tv_usec > 1000000) {
196 ctime1.tv_usec -= 1000000;
201 timeout.tv_usec = 10000;
202 iohandler_poll_timeout(timeout);
203 gettimeofday(&ctime2, NULL);
204 } while(timeval_is_bigger(ctime1, ctime2));
216 free_handleinfohandler();
222 int getCurrentThreadID() {
223 if(!current_threads) return 0;
225 unsigned int my_tid = (unsigned int) pthread_self_tid();
226 for(i = 0; i < process_state.running_threads; i++) {
228 if((unsigned int) current_threads[i].p == my_tid)
230 if((unsigned int) current_threads[i] == my_tid)
238 int getRunningThreads() {
240 return process_state.running_threads;
246 static void main_start_threads() {
247 int worker_threads = get_int_field("General.worker_threads");
248 if(!worker_threads) worker_threads = 1;
252 current_threads = calloc(worker_threads, sizeof(*current_threads));
253 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
254 process_state.running_threads++;
255 pthread_create(¤t_threads[tid_id], NULL, main_tread, NULL);
262 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
263 pthread_join(current_threads[tid_id], NULL);
265 process_state.running_threads = 0;
270 /* MAIN FUNCTION(S) */
272 static void *main_tread(void *empty) {
273 while(process_state.running) {
279 static void main_restart_process() {
280 /* Append a NULL to the end of argv[]. */
281 char **restart_argv = (char **)alloca((process_state.argc + 1) * sizeof(char *));
282 memcpy(restart_argv, process_state.argv, process_state.argc * sizeof(char *));
283 restart_argv[process_state.argc] = NULL;
285 execv(process_state.argv[0], (const char * const*)restart_argv);
287 execv(process_state.argv[0], restart_argv);
291 int main(int argc, char *argv[]) {
292 memset(&process_state, 0, sizeof(process_state));
293 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
295 process_state.argv = argv;
296 process_state.argc = argc;
297 process_state.run_as_daemon = 1;
298 strcpy(process_state.config, DEFAULT_CONF_FILE);
299 strcpy(process_state.pidfile, DEFAULT_PID_FILE);
302 main_parse_arguments();
304 //initialize memory debugger BEFORE allocating memory
305 #ifdef ENABLE_MEMORY_DEBUG
311 if(geteuid() == 0 || getuid() == 0) {
312 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
319 if((errid = reload_configuration())) {
320 fprintf(stderr, "Unable to load configuration file `%s`. (errid: %d)\n", process_state.config, errid);
324 //check mysql configuration
325 if(!reload_mysql()) {
326 fprintf(stderr, "Unable to load MySQL configuration.\n");
330 //check module configuration
331 char **modulelist = get_all_fieldnames("modules");
332 if(!modulelist || !modulelist[0]) {
333 fprintf(stderr, "Unable to load Module configuration.\n");
339 THREAD_MUTEX_INIT(log_sync);
340 THREAD_MUTEX_INIT(cache_sync);
341 THREAD_MUTEX_INIT(whohandler_sync);
342 THREAD_MUTEX_INIT(whohandler_mass_sync);
345 //connect to mysql and check if it's the frst bot startup
349 //deamonize if wanted
350 if(process_state.run_as_daemon)
353 //set signal handlers
354 signal(SIGABRT, sighandler);
355 signal(SIGFPE, sighandler);
356 signal(SIGILL, sighandler);
357 signal(SIGINT, sighandler);
358 signal(SIGSEGV, sighandler);
359 signal(SIGTERM, sighandler);
361 //set start time and initialize other code parts
362 process_state.running = 1;
363 process_state.start_time = time(0);
364 initialize_subsystems();
367 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
368 timeq_add(90, 0, main_checkauths, NULL);
370 //start worker threads
371 main_start_threads(); //BLOCKING
373 //shutdown sequence...
374 shutdown_subsystems();
375 if(process_state.restart)
376 main_restart_process(); //terminates the current process on success
378 //eop (end of program :P)
379 //trust me, thats the end!
383 /* BOT INFORMATION */
384 time_t getStartTime() {
385 return process_state.start_time;
389 void restart_bot(int crash) {
392 main_restart_process();
394 process_state.restart = 1;
395 process_state.running = 0;
400 process_state.running = 0;
403 void reload_config() {
404 reload_configuration();
407 /* TIMER FUNCTIONS */
409 static TIMEQ_CALLBACK(clear_cache) {
410 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
416 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
417 //check if registered is still valid
420 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
422 if ((row = mysql_fetch_row(res)) != NULL) {
423 int diff = registered - atoi(row[1]);
426 if(!exists || (strcmp(row[1], "0") && diff > 86400)) {
427 //User is no longer valid! Delete it...
428 deleteUser(atoi(row[0]));
429 char *alertchan = get_string_field("General.CheckAuths.alertchan");
433 strcpy(reason, "USER_NOT_EXISTS");
435 sprintf(reason, "USER_REGISTERED_MISSMATCH: %lu, expected %d (diff: %d)", (unsigned long) registered, atoi(row[1]), diff);
437 struct ChanNode *alertchan_chan = getChanByName(alertchan);
438 struct ClientSocket *alertclient;
439 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
440 putsock(alertclient, "PRIVMSG %s :Deleted User %s (%s)", alertchan_chan->name, auth, reason);
443 } else if(exists && !strcmp(row[1], "0")) {
444 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
446 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
451 static TIMEQ_CALLBACK(main_checkauths) {
453 if(get_int_field("General.CheckAuths.enabled")) {
454 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
455 int duration = get_int_field("General.CheckAuths.duration") * 60;
456 int now = getCurrentSecondsOfDay();
457 if(now < check_start_time && check_start_time+duration >= 86400) {
458 check_start_time -= 86400;
460 if(now >= check_start_time && now < (check_start_time + duration)) {
461 next_call = get_int_field("General.CheckAuths.interval");
462 //get the "longest-unchecked-user"
466 time_t unixtime = time(0);
467 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
468 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
470 if ((row = mysql_fetch_row(res)) != NULL) {
471 lastcheck = atoi(row[1]);
472 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
473 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
479 if(now > check_start_time)
480 pending = 86400 - now + check_start_time;
482 pending = check_start_time - now;
488 timeq_add(next_call, 0, main_checkauths, NULL);
491 /* INSTALLATION SCRIPT */
493 static void check_firstrun() {
496 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
498 if (mysql_fetch_row(res) == NULL) {
500 printf("No superuser found...\n");
501 check_firstrun_admin:
502 printf("AuthServ account name of admin user: ");
505 ptr = fgets(adminuser, 30, stdin);
506 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
507 if(strlen(adminuser) < 2) goto check_firstrun_admin;
508 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
510 if ((row = mysql_fetch_row(res)) != NULL)
511 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
513 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
515 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
517 if (mysql_fetch_row(res) == NULL) {
519 printf("No active bot found...\n\n");
520 printf("ADD NEW BOT\n");
523 check_firstrun_bot_nick:
525 ptr = fgets(bot_nick, 30, stdin);
526 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
527 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
529 check_firstrun_bot_ident:
531 ptr = fgets(bot_ident, 15, stdin);
532 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
533 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
534 char bot_realname[101];
535 check_firstrun_bot_realname:
536 printf("Realname: ");
537 ptr = fgets(bot_realname, 100, stdin);
538 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
539 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
540 char bot_server[101];
541 check_firstrun_bot_server:
542 printf("Server: [irc.onlinegamesnet.net] ");
543 ptr = fgets(bot_server, 100, stdin);
544 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
545 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
547 strcpy(bot_server, "irc.onlinegamesnet.net");
549 char bot_port_buf[7];
550 printf("Port: [6667] ");
551 ptr = fgets(bot_port_buf, 6, stdin);
552 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
556 bot_port = atoi(bot_port_buf);
559 check_firstrun_bot_ssl:
560 printf("SSL: [y/N] ");
561 ptr = fgets(bot_ssl_buf, 4, stdin);
562 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
563 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
565 else if(tolower(*bot_ssl_buf) == 'y')
568 goto check_firstrun_bot_ssl;
570 printf("Server Password: [] ");
571 ptr = fgets(bot_pass, 100, stdin);
572 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
574 char bot_maxchan_buf[5];
575 printf("MaxChannel: [20] ");
576 ptr = fgets(bot_maxchan_buf, 5, stdin);
577 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
579 bot_maxchan = atoi(bot_maxchan_buf);
583 char bot_queue_buf[5];
584 check_firstrun_bot_queue:
585 printf("Queue (prevents excess floods): [Y/n] ");
586 ptr = fgets(bot_queue_buf, 4, stdin);
587 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
588 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
590 else if(tolower(*bot_queue_buf) == 'n')
593 goto check_firstrun_bot_queue;
594 printf_mysql_query("INSERT INTO `bots` (`active`, `nick`, `server`, `port`, `pass`, `ssl`, `ident`, `realname`, `botclass`, `textbot`, `queue`, `defaulttrigger`, `max_channels`) VALUES ('1', '%s', '%s', '%d', '%s', '%d', '%s', '%s', '1', '1', '%d', '+', '%d')", escape_string(bot_nick), escape_string(bot_server), bot_port, escape_string(bot_pass), bot_ssl, escape_string(bot_ident), escape_string(bot_realname), bot_queue, bot_maxchan);