1 /* main.c - NeonServ v5.4
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);
112 pthread_t *current_threads = NULL;
114 void * thread_main(void *arg) {
117 socket_wait = time(0) + SOCKET_SELECT_TIME;
119 if(!socket_loop(SOCKET_SELECT_TIME)) {
121 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.\n");
125 } while(time(0) < socket_wait);
135 int getCurrentThreadID() {
136 if(!current_threads) return 0;
138 unsigned int my_tid = (unsigned int) pthread_self_tid();
139 for(i = 0; i < running_threads; i++) {
141 if((unsigned int) current_threads[i].p == my_tid)
143 if((unsigned int) current_threads[i] == my_tid)
163 int main(int argc, char *argv[]) {
164 int run_as_daemon = 1;
168 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
169 struct option options[] = {
171 {"foreground", 0, 0, 'f'},
173 {"version", 0, 0, 'v'},
176 while ((c = getopt_long(argc, argv, "s:fvh", options, NULL)) != -1) {
179 print_loglevel = atoi(optarg);
185 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
186 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
190 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
191 printf(" -s, --show show log lines matching loglevel in stdout.\n");
192 printf(" -f, --foreground run NeonServ in the foreground.\n");
193 printf(" -h, --help prints this usage message.\n");
194 printf(" -v, --version prints this program's version.\n");
200 if(geteuid() == 0 || getuid() == 0) {
201 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
205 #ifdef ENABLE_MEMORY_DEBUG
208 if(!loadConfig(CONF_FILE)) {
209 fprintf(stderr, "Unable to load " CONF_FILE "\n");
213 THREAD_MUTEX_INIT(log_sync);
215 if(!load_mysql_config()) {
216 fprintf(stderr, "Unable to connect to MySQL\n");
220 char **modulelist = get_all_fieldnames("modules");
221 if(!modulelist || !modulelist[0]) {
222 fprintf(stderr, "no modules loaded... Please update your configuration!\n");
228 /* Attempt to fork into the background if daemon mode is on. */
231 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
232 } else if (pid > 0) {
233 printf("Forking into the background (pid: %d)...\n", pid);
234 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
240 FILE *pidfile = fopen(PID_FILE, "w");
241 if (pidfile == NULL) {
242 fprintf(stderr, "Unable to create PID file: %s\n", strerror(errno));
243 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s\n", strerror(errno));
245 fprintf(pidfile, "%i\n", (int)getpid());
249 fclose(stdin); retn = fopen("/dev/null", "r");
250 fclose(stdout); retn = fopen("/dev/null", "w");
251 fclose(stderr); retn = fopen("/dev/null", "w");
256 signal(SIGABRT, sighandler);
257 signal(SIGFPE, sighandler);
258 signal(SIGILL, sighandler);
259 signal(SIGINT, sighandler);
260 signal(SIGSEGV, sighandler);
261 signal(SIGTERM, sighandler);
263 start_time = time(0);
268 // Start Windows Sockets.
269 res = WSAStartup(MAKEWORD(2, 0), &wsadata);
272 perror("Unable to start Windows Sockets");
277 statistics_enabled = get_int_field("statistics.enable");
280 THREAD_MUTEX_INIT(cache_sync);
281 THREAD_MUTEX_INIT(whohandler_sync);
282 THREAD_MUTEX_INIT(whohandler_mass_sync);
296 register_module_commands();
297 init_handleinfohandler();
299 init_modulefunctions();
306 int update_minutes = get_int_field("statistics.frequency");
307 if(!update_minutes) update_minutes = 2;
308 timeq_add(update_minutes * 60 + 10, 0, main_statistics, NULL);
310 timeq_add(90, 0, main_checkauths, NULL);
312 int worker_threads = get_int_field("General.worker_threads");
313 if(!worker_threads) worker_threads = 1;
317 current_threads = calloc(worker_threads, sizeof(*current_threads));
318 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
320 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
322 int usleep_delay = 1000000 / TICKS_PER_SECOND;
329 usleep(usleep_delay);
331 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
332 pthread_join(current_threads[tid_id], NULL);
338 socket_wait = time(0) + SOCKET_SELECT_TIME;
340 if(!socket_loop(SOCKET_SELECT_TIME)) {
341 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.\n");
345 } while(time(0) < socket_wait);
362 void restart_process() {
363 /* Append a NULL to the end of argv[]. */
364 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
365 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
366 restart_argv[process_argc] = NULL;
368 execv(process_argv[0], (const char * const*)restart_argv);
370 execv(process_argv[0], restart_argv);
374 int stricmp (const char *s1, const char *s2)
376 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
377 if (s2 == NULL) return *s1;
379 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
381 if (*s1 == '\0') break;
387 int stricmplen (const char *s1, const char *s2, int len)
389 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
390 if (s2 == NULL) return *s1;
393 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
396 if (*s1 == '\0') break;
403 void restart_bot(int do_hard_restart) {
404 hard_restart = do_hard_restart;
413 void reload_config() {
414 loadConfig(CONF_FILE);
417 static int getCurrentSecondsOfDay() {
418 time_t now = time(0);
419 struct tm *timeofday = localtime(&now);
421 seconds += timeofday->tm_hour * 3600;
422 seconds += timeofday->tm_min * 60;
423 seconds += timeofday->tm_sec;
427 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
428 //check if registered is still valid
431 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
433 if ((row = mysql_fetch_row(res)) != NULL) {
434 int diff = registered - atoi(row[1]);
437 if(!exists || (strcmp(row[1], "0") && diff > 86400)) {
438 //User is no longer valid! Delete it...
439 deleteUser(atoi(row[0]));
440 char *alertchan = get_string_field("General.CheckAuths.alertchan");
444 strcpy(reason, "USER_NOT_EXISTS");
446 sprintf(reason, "USER_REGISTERED_MISSMATCH: %lu, expected %d (diff: %d)", (unsigned long) registered, atoi(row[1]), diff);
448 struct ChanNode *alertchan_chan = getChanByName(alertchan);
449 struct ClientSocket *alertclient;
450 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
451 putsock(alertclient, "PRIVMSG %s :Deleted User %s (%s)", alertchan_chan->name, auth, reason);
454 } else if(exists && !strcmp(row[1], "0")) {
455 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
457 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
462 TIMEQ_CALLBACK(main_checkauths) {
464 if(get_int_field("General.CheckAuths.enabled")) {
465 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
466 int duration = get_int_field("General.CheckAuths.duration") * 60;
467 int now = getCurrentSecondsOfDay();
468 if(now < check_start_time && check_start_time+duration >= 86400) {
469 check_start_time -= 86400;
471 if(now >= check_start_time && now < (check_start_time + duration)) {
472 next_call = get_int_field("General.CheckAuths.interval");
473 //get the "longest-unchecked-user"
477 time_t unixtime = time(0);
478 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
479 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
481 if ((row = mysql_fetch_row(res)) != NULL) {
482 lastcheck = atoi(row[1]);
483 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
484 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
490 if(now > check_start_time)
491 pending = 86400 - now + check_start_time;
493 pending = check_start_time - now;
499 timeq_add(next_call, 0, main_checkauths, NULL);
502 TIMEQ_CALLBACK(main_statistics) {
503 int update_minutes = get_int_field("statistics.frequency");
504 if(!update_minutes) update_minutes = 2;
505 timeq_add(update_minutes * 60, 0, main_statistics, NULL);
506 if(get_int_field("statistics.enable")) {
507 statistics_enabled = 1;
508 statistics_requested_lusers = 1;
509 if(get_int_field("statistics.include_lusers")) {
510 struct ClientSocket *bot, *lusersbot = NULL;
511 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
512 if(bot->flags & SOCKET_FLAG_PREFERRED)
516 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
517 putsock(bot, "LUSERS");
522 statistics_enabled = 0;
525 int statistics_update() {
526 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
527 statistics_requested_lusers = 0;
528 char command[MAXLEN];
534 - commands per minute
538 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);
539 statistics_privmsg = 0;
540 statistics_commands = 0;
541 return system(command);
546 time_t getStartTime() {
550 int getRunningThreads() {
552 return running_threads;
558 void write_log(int loglevel, const char *line, int len) {
559 SYNCHRONIZE(log_sync);
560 if(!daemonized && (print_loglevel & loglevel)) {
562 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
563 fprintf(stderr, "%s", line);
565 if(get_int_field("log.loglevel") & loglevel) {
567 log_fptr = fopen(LOG_FILE, "a");
568 if(!log_fptr) goto write_log_end;
573 timeinfo = localtime(&rawtime);
575 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
576 fwrite(timestr, 1, timepos, log_fptr);
577 fwrite(line, 1, len, log_fptr);
580 DESYNCHRONIZE(log_sync);
583 void putlog(int loglevel, const char *text, ...) {
585 char logBuf[MAXLOGLEN];
588 va_start(arg_list, text);
589 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
591 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
593 write_log(loglevel, logBuf, pos);
596 static void check_firstrun() {
599 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
601 if (mysql_fetch_row(res) == NULL) {
603 printf("No superuser found...\n");
604 check_firstrun_admin:
605 printf("AuthServ account name of admin user: ");
608 ptr = fgets(adminuser, 30, stdin);
609 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
610 if(strlen(adminuser) < 2) goto check_firstrun_admin;
611 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
613 if ((row = mysql_fetch_row(res)) != NULL)
614 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
616 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
618 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
620 if (mysql_fetch_row(res) == NULL) {
622 printf("No active bot found...\n\n");
623 printf("ADD NEW BOT\n");
626 check_firstrun_bot_nick:
628 ptr = fgets(bot_nick, 30, stdin);
629 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
630 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
632 check_firstrun_bot_ident:
634 ptr = fgets(bot_ident, 15, stdin);
635 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
636 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
637 char bot_realname[101];
638 check_firstrun_bot_realname:
639 printf("Realname: ");
640 ptr = fgets(bot_realname, 100, stdin);
641 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
642 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
643 char bot_server[101];
644 check_firstrun_bot_server:
645 printf("Server: [irc.onlinegamesnet.net] ");
646 ptr = fgets(bot_server, 100, stdin);
647 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
648 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
650 strcpy(bot_server, "irc.onlinegamesnet.net");
652 char bot_port_buf[7];
653 printf("Port: [6667] ");
654 ptr = fgets(bot_port_buf, 6, stdin);
655 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
659 bot_port = atoi(bot_port_buf);
662 check_firstrun_bot_ssl:
663 printf("SSL: [y/N] ");
664 ptr = fgets(bot_ssl_buf, 4, stdin);
665 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
666 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
668 else if(tolower(*bot_ssl_buf) == 'y')
671 goto check_firstrun_bot_ssl;
673 printf("Server Password: [] ");
674 ptr = fgets(bot_pass, 100, stdin);
675 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
677 char bot_maxchan_buf[5];
678 printf("MaxChannel: [20] ");
679 ptr = fgets(bot_maxchan_buf, 5, stdin);
680 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
682 bot_maxchan = atoi(bot_maxchan_buf);
686 char bot_queue_buf[5];
687 check_firstrun_bot_queue:
688 printf("Queue (prevents excess floods): [Y/n] ");
689 ptr = fgets(bot_queue_buf, 4, stdin);
690 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
691 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
693 else if(tolower(*bot_queue_buf) == 'n')
696 goto check_firstrun_bot_queue;
697 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);