1 /* main.c - NeonServ v5.5
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/>.
20 #include "ClientSocket.h"
23 #include "IRCEvents.h"
24 #include "IRCParser.h"
26 #include "WHOHandler.h"
28 #include "mysqlConn.h"
29 #include "HandleInfoHandler.h"
33 #include "EventLogger.h"
37 #include "ConfigParser.h"
42 #include "module_commands.h"
43 #include "ModuleFunctions.h"
46 static int running, hard_restart;
47 static int statistics_requested_lusers = 0;
48 int statistics_enabled;
49 TIMEQ_CALLBACK(main_statistics);
50 TIMEQ_CALLBACK(main_checkauths);
51 static int daemonized = 0;
52 static int print_loglevel = 0;
53 static FILE *log_fptr = NULL;
54 static int process_argc;
55 static char **process_argv;
58 pthread_mutex_t cache_sync;
59 pthread_mutex_t whohandler_sync, whohandler_mass_sync;
60 static pthread_mutex_t log_sync;
63 static void check_firstrun();
76 free_handleinfohandler();
80 static int load_mysql_config() {
81 char *mysql_host, *mysql_user, *mysql_pass, *mysql_base;
84 mysql_host = get_string_field("MySQL.host");
86 perror("invalid neonserv.conf: missing MySQL.host");
89 mysql_serverport = get_int_field("MySQL.port");
91 mysql_serverport = 3306;
92 mysql_user = get_string_field("MySQL.user");
94 perror("invalid neonserv.conf: missing MySQL.user");
97 mysql_pass = get_string_field("MySQL.pass");
99 perror("invalid neonserv.conf: missing MySQL.pass");
102 mysql_base = get_string_field("MySQL.base");
104 perror("invalid neonserv.conf: missing MySQL base");
107 init_mysql(mysql_host, mysql_serverport, mysql_user, mysql_pass, mysql_base);
111 static TIMEQ_CALLBACK(clear_cache) {
112 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
118 void *thread_main(void *arg) {
127 pthread_t *current_threads = NULL;
129 int getCurrentThreadID() {
130 if(!current_threads) return 0;
132 unsigned int my_tid = (unsigned int) pthread_self_tid();
133 for(i = 0; i < running_threads; i++) {
135 if((unsigned int) current_threads[i].p == my_tid)
137 if((unsigned int) current_threads[i] == my_tid)
157 int main(int argc, char *argv[]) {
158 int run_as_daemon = 1;
162 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
163 struct option options[] = {
165 {"foreground", 0, 0, 'f'},
167 {"version", 0, 0, 'v'},
170 while ((c = getopt_long(argc, argv, "s:fvh", options, NULL)) != -1) {
173 print_loglevel = atoi(optarg);
179 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
180 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
184 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
185 printf(" -s, --show show log lines matching loglevel in stdout.\n");
186 printf(" -f, --foreground run NeonServ in the foreground.\n");
187 printf(" -h, --help prints this usage message.\n");
188 printf(" -v, --version prints this program's version.\n");
194 if(geteuid() == 0 || getuid() == 0) {
195 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
199 #ifdef ENABLE_MEMORY_DEBUG
202 if(!loadConfig(CONF_FILE)) {
203 fprintf(stderr, "Unable to load " CONF_FILE "\n");
207 THREAD_MUTEX_INIT(log_sync);
209 if(!load_mysql_config()) {
210 fprintf(stderr, "Unable to connect to MySQL\n");
214 char **modulelist = get_all_fieldnames("modules");
215 if(!modulelist || !modulelist[0]) {
216 fprintf(stderr, "no modules loaded... Please update your configuration!\n");
222 /* Attempt to fork into the background if daemon mode is on. */
225 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
226 } else if (pid > 0) {
227 printf("Forking into the background (pid: %d)...\n", pid);
228 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
234 FILE *pidfile = fopen(PID_FILE, "w");
235 if (pidfile == NULL) {
236 fprintf(stderr, "Unable to create PID file: %s\n", strerror(errno));
237 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s\n", strerror(errno));
239 fprintf(pidfile, "%i\n", (int)getpid());
243 fclose(stdin); retn = fopen("/dev/null", "r");
244 fclose(stdout); retn = fopen("/dev/null", "w");
245 fclose(stderr); retn = fopen("/dev/null", "w");
250 signal(SIGABRT, sighandler);
251 signal(SIGFPE, sighandler);
252 signal(SIGILL, sighandler);
253 signal(SIGINT, sighandler);
254 signal(SIGSEGV, sighandler);
255 signal(SIGTERM, sighandler);
257 start_time = time(0);
259 statistics_enabled = get_int_field("statistics.enable");
262 THREAD_MUTEX_INIT(cache_sync);
263 THREAD_MUTEX_INIT(whohandler_sync);
264 THREAD_MUTEX_INIT(whohandler_mass_sync);
274 register_module_commands();
275 init_handleinfohandler();
277 init_modulefunctions();
284 int update_minutes = get_int_field("statistics.frequency");
285 if(!update_minutes) update_minutes = 2;
286 timeq_add(update_minutes * 60 + 10, 0, main_statistics, NULL);
288 timeq_add(90, 0, main_checkauths, NULL);
290 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
292 int worker_threads = get_int_field("General.worker_threads");
293 if(!worker_threads) worker_threads = 1;
297 current_threads = calloc(worker_threads, sizeof(*current_threads));
298 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
300 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
305 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
306 pthread_join(current_threads[tid_id], NULL);
317 void restart_process() {
318 /* Append a NULL to the end of argv[]. */
319 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
320 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
321 restart_argv[process_argc] = NULL;
323 execv(process_argv[0], (const char * const*)restart_argv);
325 execv(process_argv[0], restart_argv);
329 int stricmp (const char *s1, const char *s2)
331 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
332 if (s2 == NULL) return *s1;
334 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
336 if (*s1 == '\0') break;
342 int stricmplen (const char *s1, const char *s2, int len)
344 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
345 if (s2 == NULL) return *s1;
348 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
351 if (*s1 == '\0') break;
358 void restart_bot(int do_hard_restart) {
359 hard_restart = do_hard_restart;
368 void reload_config() {
369 loadConfig(CONF_FILE);
372 static int getCurrentSecondsOfDay() {
373 time_t now = time(0);
374 struct tm *timeofday = localtime(&now);
376 seconds += timeofday->tm_hour * 3600;
377 seconds += timeofday->tm_min * 60;
378 seconds += timeofday->tm_sec;
382 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
383 //check if registered is still valid
386 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
388 if ((row = mysql_fetch_row(res)) != NULL) {
389 int diff = registered - atoi(row[1]);
392 if(!exists || (strcmp(row[1], "0") && diff > 86400)) {
393 //User is no longer valid! Delete it...
394 deleteUser(atoi(row[0]));
395 char *alertchan = get_string_field("General.CheckAuths.alertchan");
399 strcpy(reason, "USER_NOT_EXISTS");
401 sprintf(reason, "USER_REGISTERED_MISSMATCH: %lu, expected %d (diff: %d)", (unsigned long) registered, atoi(row[1]), diff);
403 struct ChanNode *alertchan_chan = getChanByName(alertchan);
404 struct ClientSocket *alertclient;
405 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
406 putsock(alertclient, "PRIVMSG %s :Deleted User %s (%s)", alertchan_chan->name, auth, reason);
409 } else if(exists && !strcmp(row[1], "0")) {
410 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
412 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
417 TIMEQ_CALLBACK(main_checkauths) {
419 if(get_int_field("General.CheckAuths.enabled")) {
420 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
421 int duration = get_int_field("General.CheckAuths.duration") * 60;
422 int now = getCurrentSecondsOfDay();
423 if(now < check_start_time && check_start_time+duration >= 86400) {
424 check_start_time -= 86400;
426 if(now >= check_start_time && now < (check_start_time + duration)) {
427 next_call = get_int_field("General.CheckAuths.interval");
428 //get the "longest-unchecked-user"
432 time_t unixtime = time(0);
433 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
434 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
436 if ((row = mysql_fetch_row(res)) != NULL) {
437 lastcheck = atoi(row[1]);
438 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
439 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
445 if(now > check_start_time)
446 pending = 86400 - now + check_start_time;
448 pending = check_start_time - now;
454 timeq_add(next_call, 0, main_checkauths, NULL);
457 TIMEQ_CALLBACK(main_statistics) {
458 int update_minutes = get_int_field("statistics.frequency");
459 if(!update_minutes) update_minutes = 2;
460 timeq_add(update_minutes * 60, 0, main_statistics, NULL);
461 if(get_int_field("statistics.enable")) {
462 statistics_enabled = 1;
463 statistics_requested_lusers = 1;
464 if(get_int_field("statistics.include_lusers")) {
465 struct ClientSocket *bot, *lusersbot = NULL;
466 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
467 if(bot->flags & SOCKET_FLAG_PREFERRED)
471 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
472 putsock(bot, "LUSERS");
477 statistics_enabled = 0;
480 int statistics_update() {
481 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
482 statistics_requested_lusers = 0;
483 char command[MAXLEN];
489 - commands per minute
493 sprintf(command, "%s %d %d %d %d %d %d %d", get_string_field("statistics.execute"), getUserCount(), getChanUserCount(), getChannelCount(), statistics_privmsg, statistics_commands, statistics_network_users, statistics_network_channels);
494 statistics_privmsg = 0;
495 statistics_commands = 0;
496 return system(command);
501 time_t getStartTime() {
505 int getRunningThreads() {
507 return running_threads;
513 void write_log(int loglevel, const char *line, int len) {
514 SYNCHRONIZE(log_sync);
515 if(!daemonized && (print_loglevel & loglevel)) {
517 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
518 fprintf(stderr, "%s", line);
520 if(get_int_field("log.loglevel") & loglevel) {
522 log_fptr = fopen(LOG_FILE, "a");
523 if(!log_fptr) goto write_log_end;
528 timeinfo = localtime(&rawtime);
530 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
531 fwrite(timestr, 1, timepos, log_fptr);
532 fwrite(line, 1, len, log_fptr);
535 DESYNCHRONIZE(log_sync);
538 void putlog(int loglevel, const char *text, ...) {
540 char logBuf[MAXLOGLEN];
543 va_start(arg_list, text);
544 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
546 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
548 write_log(loglevel, logBuf, pos);
551 static void check_firstrun() {
554 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
556 if (mysql_fetch_row(res) == NULL) {
558 printf("No superuser found...\n");
559 check_firstrun_admin:
560 printf("AuthServ account name of admin user: ");
563 ptr = fgets(adminuser, 30, stdin);
564 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
565 if(strlen(adminuser) < 2) goto check_firstrun_admin;
566 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
568 if ((row = mysql_fetch_row(res)) != NULL)
569 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
571 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
573 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
575 if (mysql_fetch_row(res) == NULL) {
577 printf("No active bot found...\n\n");
578 printf("ADD NEW BOT\n");
581 check_firstrun_bot_nick:
583 ptr = fgets(bot_nick, 30, stdin);
584 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
585 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
587 check_firstrun_bot_ident:
589 ptr = fgets(bot_ident, 15, stdin);
590 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
591 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
592 char bot_realname[101];
593 check_firstrun_bot_realname:
594 printf("Realname: ");
595 ptr = fgets(bot_realname, 100, stdin);
596 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
597 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
598 char bot_server[101];
599 check_firstrun_bot_server:
600 printf("Server: [irc.onlinegamesnet.net] ");
601 ptr = fgets(bot_server, 100, stdin);
602 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
603 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
605 strcpy(bot_server, "irc.onlinegamesnet.net");
607 char bot_port_buf[7];
608 printf("Port: [6667] ");
609 ptr = fgets(bot_port_buf, 6, stdin);
610 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
614 bot_port = atoi(bot_port_buf);
617 check_firstrun_bot_ssl:
618 printf("SSL: [y/N] ");
619 ptr = fgets(bot_ssl_buf, 4, stdin);
620 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
621 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
623 else if(tolower(*bot_ssl_buf) == 'y')
626 goto check_firstrun_bot_ssl;
628 printf("Server Password: [] ");
629 ptr = fgets(bot_pass, 100, stdin);
630 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
632 char bot_maxchan_buf[5];
633 printf("MaxChannel: [20] ");
634 ptr = fgets(bot_maxchan_buf, 5, stdin);
635 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
637 bot_maxchan = atoi(bot_maxchan_buf);
641 char bot_queue_buf[5];
642 check_firstrun_bot_queue:
643 printf("Queue (prevents excess floods): [Y/n] ");
644 ptr = fgets(bot_queue_buf, 4, stdin);
645 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
646 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
648 else if(tolower(*bot_queue_buf) == 'n')
651 goto check_firstrun_bot_queue;
652 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);