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"
20 #define DEFAULT_LOG_FILE "neonserv.log"
24 #include "ClientSocket.h"
27 #include "IRCEvents.h"
28 #include "IRCParser.h"
30 #include "WHOHandler.h"
32 #include "mysqlConn.h"
33 #include "HandleInfoHandler.h"
37 #include "EventLogger.h"
41 #include "ConfigParser.h"
45 #include "module_commands.h"
46 #include "ModuleFunctions.h"
47 #include "IOHandler.h"
48 #include "statistics.h"
54 int run_as_daemon : 1;
57 int loaded_config : 1;
58 int running_threads : 8;
67 static FILE *log_fptr = NULL;
70 pthread_mutex_t cache_sync;
71 pthread_mutex_t whohandler_sync, whohandler_mass_sync;
72 static pthread_mutex_t log_sync;
73 static pthread_t *current_threads = NULL;
76 static void main_tread(void *empty);
77 static TIMEQ_CALLBACK(clear_cache);
78 static TIMEQ_CALLBACK(main_checkauths);
79 static void check_firstrun();
82 static void main_parse_arguments() {
84 struct option options[] = {
86 {"foreground", 0, 0, 'f'},
87 {"config", 1, 0, 'c'},
90 {"version", 0, 0, 'v'},
93 while ((c = getopt_long(process_state.argc, process_state.argv, "s:fvh", options, NULL)) != -1) {
96 strncpy(process_state.config, optarg, MAXLEN-1);
99 strncpy(process_state.pidfile, optarg, MAXLEN-1);
102 process_state.loglevel = atoi(optarg);
105 process_state.run_as_daemon = 0;
108 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
109 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
113 printf("Usage: ./neonserv [-c neonserv.conf] [-p neonserv.pid] [-s loglevel] [-f] [-h|-v]\n");
114 printf(" -c, --config use this configuration file.\n");
115 printf(" -f, --foreground run NeonServ in the foreground.\n");
116 printf(" -h, --help prints this usage message.\n");
117 printf(" -p, --pid use this pid file.\n");
118 printf(" -s, --show show log lines matching loglevel in stdout.\n");
119 printf(" -v, --version prints this program's version.\n");
126 static void main_daemon_exit() {
127 remove(process_state.pidfile);
130 static void main_daemonize() {
132 /* Attempt to fork into the background if daemon mode is on. */
135 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
136 } else if (pid > 0) {
137 printf("Forking into the background (pid: %d)...\n", pid);
138 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
142 process_state.daemonized = 1;
143 atexit(main_daemon_exit);
144 FILE *pidfile = fopen(process_state.pidfile, "w");
145 if (pidfile == NULL) {
146 fprintf(stderr, "Unable to create PID file: %s\n", strerror(errno));
147 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s\n", strerror(errno));
149 fprintf(pidfile, "%i\n", (int)getpid());
153 fclose(stdin); retn = fopen("/dev/null", "r");
154 fclose(stdout); retn = fopen("/dev/null", "w");
155 fclose(stderr); retn = fopen("/dev/null", "w");
159 static int reload_configuration() {
160 if(!loadConfig(process_state.config))
162 if(process_state.loaded_config) {
165 char **modulelist = get_all_fieldnames("modules");
166 if(!modulelist || !modulelist[0]) {
172 event_reload(!process_state.loaded_config);
173 process_state.loaded_config = 1;
178 /* INITIALISATION OF SUBSYSTEMS */
179 void initialize_subsystems() {
188 register_module_commands();
189 init_handleinfohandler();
191 init_modulefunctions();
200 void shutdown_subsystems() {
203 usleep(10000); //wait for disconnect (10ms)
213 free_handleinfohandler();
219 int getCurrentThreadID() {
220 if(!current_threads) return 0;
222 unsigned int my_tid = (unsigned int) pthread_self_tid();
223 for(i = 0; i < process_state.running_threads; i++) {
225 if((unsigned int) current_threads[i].p == my_tid)
227 if((unsigned int) current_threads[i] == my_tid)
235 int getRunningThreads() {
237 return process_state.running_threads;
243 static void main_start_threads() {
245 int worker_threads = get_int_field("General.worker_threads");
246 if(!worker_threads) worker_threads = 1;
249 current_threads = calloc(worker_threads, sizeof(*current_threads));
250 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
251 process_state.running_threads++;
252 pthread_create(¤t_threads[tid_id], NULL, main_tread, NULL);
259 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
260 pthread_join(current_threads[tid_id], NULL);
262 process_state.running_threads = 0;
267 /* MAIN FUNCTION(S) */
269 static void main_tread(void *empty) {
270 while(process_state.running) {
275 static void main_restart_process() {
276 /* Append a NULL to the end of argv[]. */
277 char **restart_argv = (char **)alloca((process_state.argc + 1) * sizeof(char *));
278 memcpy(restart_argv, process_state.argv, process_state.argc * sizeof(char *));
279 restart_argv[process_state.argc] = NULL;
281 execv(process_state.argv[0], (const char * const*)restart_argv);
283 execv(process_state.argv[0], restart_argv);
287 int main(int argc, char *argv[]) {
288 memset(&process_state, 0, sizeof(process_state));
289 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
291 process_state.argv = argv;
292 process_state.argc = argc;
293 process_state.run_as_daemon = 1;
294 strcpy(process_state.config, DEFAULT_CONF_FILE);
295 strcpy(process_state.pidfile, DEFAULT_PID_FILE);
298 main_parse_arguments();
300 //initialize memory debugger BEFORE allocating memory
301 #ifdef ENABLE_MEMORY_DEBUG
307 if(geteuid() == 0 || getuid() == 0) {
308 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
315 if(errid = reload_configuration()) {
316 fprintf(stderr, "Unable to load configuration file `%s`. (errid: %d)\n", process_state.config, errid);
320 //check mysql configuration
321 if(!reload_mysql()) {
322 fprintf(stderr, "Unable to load MySQL configuration.\n");
326 //check module configuration
327 char **modulelist = get_all_fieldnames("modules");
328 if(!modulelist || !modulelist[0]) {
329 fprintf(stderr, "Unable to load Module configuration.\n");
335 THREAD_MUTEX_INIT(log_sync);
336 THREAD_MUTEX_INIT(cache_sync);
337 THREAD_MUTEX_INIT(whohandler_sync);
338 THREAD_MUTEX_INIT(whohandler_mass_sync);
341 //connect to mysql and check if it's the frst bot startup
345 //deamonize if wanted
346 if(process_state.run_as_daemon)
349 //set signal handlers
350 signal(SIGABRT, sighandler);
351 signal(SIGFPE, sighandler);
352 signal(SIGILL, sighandler);
353 signal(SIGINT, sighandler);
354 signal(SIGSEGV, sighandler);
355 signal(SIGTERM, sighandler);
357 //set start time and initialize other code parts
358 process_state.running = 1;
359 process_state.start_time = time(0);
360 initialize_subsystems();
363 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
364 timeq_add(90, 0, main_checkauths, NULL);
366 //start worker threads
367 main_start_threads(); //BLOCKING
369 //shutdown sequence...
370 shutdown_subsystems();
371 if(process_state.restart)
372 main_restart_process(); //terminates the current process on success
374 //eop (end of program :P)
375 //trust me, thats the end!
379 /* BOT INFORMATION */
380 time_t getStartTime() {
381 return process_state.start_time;
385 void restart_bot(int crash) {
388 main_restart_process();
390 process_state.restart = 1;
391 process_state.running = 0;
396 process_state.running = 0;
399 void reload_config() {
400 reload_configuration();
403 /* TIMER FUNCTIONS */
405 static TIMEQ_CALLBACK(clear_cache) {
406 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
412 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
413 //check if registered is still valid
416 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
418 if ((row = mysql_fetch_row(res)) != NULL) {
419 int diff = registered - atoi(row[1]);
422 if(!exists || (strcmp(row[1], "0") && diff > 86400)) {
423 //User is no longer valid! Delete it...
424 deleteUser(atoi(row[0]));
425 char *alertchan = get_string_field("General.CheckAuths.alertchan");
429 strcpy(reason, "USER_NOT_EXISTS");
431 sprintf(reason, "USER_REGISTERED_MISSMATCH: %lu, expected %d (diff: %d)", (unsigned long) registered, atoi(row[1]), diff);
433 struct ChanNode *alertchan_chan = getChanByName(alertchan);
434 struct ClientSocket *alertclient;
435 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
436 putsock(alertclient, "PRIVMSG %s :Deleted User %s (%s)", alertchan_chan->name, auth, reason);
439 } else if(exists && !strcmp(row[1], "0")) {
440 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
442 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
447 static TIMEQ_CALLBACK(main_checkauths) {
449 if(get_int_field("General.CheckAuths.enabled")) {
450 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
451 int duration = get_int_field("General.CheckAuths.duration") * 60;
452 int now = getCurrentSecondsOfDay();
453 if(now < check_start_time && check_start_time+duration >= 86400) {
454 check_start_time -= 86400;
456 if(now >= check_start_time && now < (check_start_time + duration)) {
457 next_call = get_int_field("General.CheckAuths.interval");
458 //get the "longest-unchecked-user"
462 time_t unixtime = time(0);
463 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
464 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
466 if ((row = mysql_fetch_row(res)) != NULL) {
467 lastcheck = atoi(row[1]);
468 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
469 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
475 if(now > check_start_time)
476 pending = 86400 - now + check_start_time;
478 pending = check_start_time - now;
484 timeq_add(next_call, 0, main_checkauths, NULL);
489 void write_log(int loglevel, const char *line, int len) {
490 SYNCHRONIZE(log_sync);
491 if(!process_state.daemonized && (process_state.loglevel & loglevel)) {
493 } else if(!process_state.daemonized && loglevel == LOGLEVEL_ERROR) {
494 fprintf(stderr, "%s", line);
496 if(get_int_field("log.loglevel") & loglevel) {
498 log_fptr = fopen(DEFAULT_LOG_FILE, "a");
499 if(!log_fptr) goto write_log_end;
504 timeinfo = localtime(&rawtime);
506 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
507 fwrite(timestr, 1, timepos, log_fptr);
508 fwrite(line, 1, len, log_fptr);
511 DESYNCHRONIZE(log_sync);
514 void putlog(int loglevel, const char *text, ...) {
516 char logBuf[MAXLOGLEN];
519 va_start(arg_list, text);
520 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
522 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
524 write_log(loglevel, logBuf, pos);
527 /* INSTALLATION SCRIPT */
529 static void check_firstrun() {
532 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
534 if (mysql_fetch_row(res) == NULL) {
536 printf("No superuser found...\n");
537 check_firstrun_admin:
538 printf("AuthServ account name of admin user: ");
541 ptr = fgets(adminuser, 30, stdin);
542 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
543 if(strlen(adminuser) < 2) goto check_firstrun_admin;
544 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
546 if ((row = mysql_fetch_row(res)) != NULL)
547 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
549 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
551 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
553 if (mysql_fetch_row(res) == NULL) {
555 printf("No active bot found...\n\n");
556 printf("ADD NEW BOT\n");
559 check_firstrun_bot_nick:
561 ptr = fgets(bot_nick, 30, stdin);
562 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
563 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
565 check_firstrun_bot_ident:
567 ptr = fgets(bot_ident, 15, stdin);
568 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
569 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
570 char bot_realname[101];
571 check_firstrun_bot_realname:
572 printf("Realname: ");
573 ptr = fgets(bot_realname, 100, stdin);
574 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
575 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
576 char bot_server[101];
577 check_firstrun_bot_server:
578 printf("Server: [irc.onlinegamesnet.net] ");
579 ptr = fgets(bot_server, 100, stdin);
580 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
581 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
583 strcpy(bot_server, "irc.onlinegamesnet.net");
585 char bot_port_buf[7];
586 printf("Port: [6667] ");
587 ptr = fgets(bot_port_buf, 6, stdin);
588 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
592 bot_port = atoi(bot_port_buf);
595 check_firstrun_bot_ssl:
596 printf("SSL: [y/N] ");
597 ptr = fgets(bot_ssl_buf, 4, stdin);
598 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
599 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
601 else if(tolower(*bot_ssl_buf) == 'y')
604 goto check_firstrun_bot_ssl;
606 printf("Server Password: [] ");
607 ptr = fgets(bot_pass, 100, stdin);
608 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
610 char bot_maxchan_buf[5];
611 printf("MaxChannel: [20] ");
612 ptr = fgets(bot_maxchan_buf, 5, stdin);
613 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
615 bot_maxchan = atoi(bot_maxchan_buf);
619 char bot_queue_buf[5];
620 check_firstrun_bot_queue:
621 printf("Queue (prevents excess floods): [Y/n] ");
622 ptr = fgets(bot_queue_buf, 4, stdin);
623 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
624 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
626 else if(tolower(*bot_queue_buf) == 'n')
629 goto check_firstrun_bot_queue;
630 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);