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/>.
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"
41 #include "module_commands.h"
42 #include "ModuleFunctions.h"
43 #include "IOHandler.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) {
126 pthread_t *current_threads = NULL;
128 int getCurrentThreadID() {
129 if(!current_threads) return 0;
131 unsigned int my_tid = (unsigned int) pthread_self_tid();
132 for(i = 0; i < running_threads; i++) {
134 if((unsigned int) current_threads[i].p == my_tid)
136 if((unsigned int) current_threads[i] == my_tid)
156 int main(int argc, char *argv[]) {
157 int run_as_daemon = 1;
161 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
162 struct option options[] = {
164 {"foreground", 0, 0, 'f'},
166 {"version", 0, 0, 'v'},
169 while ((c = getopt_long(argc, argv, "s:fvh", options, NULL)) != -1) {
172 print_loglevel = atoi(optarg);
178 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
179 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
183 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
184 printf(" -s, --show show log lines matching loglevel in stdout.\n");
185 printf(" -f, --foreground run NeonServ in the foreground.\n");
186 printf(" -h, --help prints this usage message.\n");
187 printf(" -v, --version prints this program's version.\n");
193 if(geteuid() == 0 || getuid() == 0) {
194 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
198 #ifdef ENABLE_MEMORY_DEBUG
201 if(!loadConfig(CONF_FILE)) {
202 fprintf(stderr, "Unable to load " CONF_FILE "\n");
208 THREAD_MUTEX_INIT(log_sync);
210 if(!load_mysql_config()) {
211 fprintf(stderr, "Unable to connect to MySQL\n");
215 char **modulelist = get_all_fieldnames("modules");
216 if(!modulelist || !modulelist[0]) {
217 fprintf(stderr, "no modules loaded... Please update your configuration!\n");
223 /* Attempt to fork into the background if daemon mode is on. */
226 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
227 } else if (pid > 0) {
228 printf("Forking into the background (pid: %d)...\n", pid);
229 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
235 FILE *pidfile = fopen(PID_FILE, "w");
236 if (pidfile == NULL) {
237 fprintf(stderr, "Unable to create PID file: %s\n", strerror(errno));
238 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s\n", strerror(errno));
240 fprintf(pidfile, "%i\n", (int)getpid());
244 fclose(stdin); retn = fopen("/dev/null", "r");
245 fclose(stdout); retn = fopen("/dev/null", "w");
246 fclose(stderr); retn = fopen("/dev/null", "w");
251 signal(SIGABRT, sighandler);
252 signal(SIGFPE, sighandler);
253 signal(SIGILL, sighandler);
254 signal(SIGINT, sighandler);
255 signal(SIGSEGV, sighandler);
256 signal(SIGTERM, sighandler);
258 start_time = time(0);
260 statistics_enabled = get_int_field("statistics.enable");
263 THREAD_MUTEX_INIT(cache_sync);
264 THREAD_MUTEX_INIT(whohandler_sync);
265 THREAD_MUTEX_INIT(whohandler_mass_sync);
275 register_module_commands();
276 init_handleinfohandler();
278 init_modulefunctions();
285 int update_minutes = get_int_field("statistics.frequency");
286 if(!update_minutes) update_minutes = 2;
287 timeq_add(update_minutes * 60 + 10, 0, main_statistics, NULL);
289 timeq_add(90, 0, main_checkauths, NULL);
291 timeq_add(CLEAR_CACHE_INTERVAL, 0, clear_cache, NULL);
293 int worker_threads = get_int_field("General.worker_threads");
294 if(!worker_threads) worker_threads = 1;
298 current_threads = calloc(worker_threads, sizeof(*current_threads));
299 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
301 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
306 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
307 pthread_join(current_threads[tid_id], NULL);
318 void restart_process() {
319 /* Append a NULL to the end of argv[]. */
320 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
321 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
322 restart_argv[process_argc] = NULL;
324 execv(process_argv[0], (const char * const*)restart_argv);
326 execv(process_argv[0], restart_argv);
330 int stricmp (const char *s1, const char *s2)
332 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
333 if (s2 == NULL) return *s1;
335 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
337 if (*s1 == '\0') break;
343 int stricmplen (const char *s1, const char *s2, int len)
345 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
346 if (s2 == NULL) return *s1;
349 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
352 if (*s1 == '\0') break;
359 void restart_bot(int do_hard_restart) {
360 hard_restart = do_hard_restart;
369 void reload_config() {
370 loadConfig(CONF_FILE);
374 static int getCurrentSecondsOfDay() {
375 time_t now = time(0);
376 struct tm *timeofday = localtime(&now);
378 seconds += timeofday->tm_hour * 3600;
379 seconds += timeofday->tm_min * 60;
380 seconds += timeofday->tm_sec;
384 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
385 //check if registered is still valid
388 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
390 if ((row = mysql_fetch_row(res)) != NULL) {
391 int diff = registered - atoi(row[1]);
394 if(!exists || (strcmp(row[1], "0") && diff > 86400)) {
395 //User is no longer valid! Delete it...
396 deleteUser(atoi(row[0]));
397 char *alertchan = get_string_field("General.CheckAuths.alertchan");
401 strcpy(reason, "USER_NOT_EXISTS");
403 sprintf(reason, "USER_REGISTERED_MISSMATCH: %lu, expected %d (diff: %d)", (unsigned long) registered, atoi(row[1]), diff);
405 struct ChanNode *alertchan_chan = getChanByName(alertchan);
406 struct ClientSocket *alertclient;
407 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
408 putsock(alertclient, "PRIVMSG %s :Deleted User %s (%s)", alertchan_chan->name, auth, reason);
411 } else if(exists && !strcmp(row[1], "0")) {
412 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
414 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
419 TIMEQ_CALLBACK(main_checkauths) {
421 if(get_int_field("General.CheckAuths.enabled")) {
422 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
423 int duration = get_int_field("General.CheckAuths.duration") * 60;
424 int now = getCurrentSecondsOfDay();
425 if(now < check_start_time && check_start_time+duration >= 86400) {
426 check_start_time -= 86400;
428 if(now >= check_start_time && now < (check_start_time + duration)) {
429 next_call = get_int_field("General.CheckAuths.interval");
430 //get the "longest-unchecked-user"
434 time_t unixtime = time(0);
435 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
436 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
438 if ((row = mysql_fetch_row(res)) != NULL) {
439 lastcheck = atoi(row[1]);
440 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
441 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
447 if(now > check_start_time)
448 pending = 86400 - now + check_start_time;
450 pending = check_start_time - now;
456 timeq_add(next_call, 0, main_checkauths, NULL);
459 TIMEQ_CALLBACK(main_statistics) {
460 int update_minutes = get_int_field("statistics.frequency");
461 if(!update_minutes) update_minutes = 2;
462 timeq_add(update_minutes * 60, 0, main_statistics, NULL);
463 if(get_int_field("statistics.enable")) {
464 statistics_enabled = 1;
465 statistics_requested_lusers = 1;
466 if(get_int_field("statistics.include_lusers")) {
467 struct ClientSocket *bot, *lusersbot = NULL;
468 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
469 if(bot->flags & SOCKET_FLAG_PREFERRED)
473 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
474 putsock(bot, "LUSERS");
479 statistics_enabled = 0;
482 int statistics_update() {
483 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
484 statistics_requested_lusers = 0;
485 char command[MAXLEN];
491 - commands per minute
495 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);
496 statistics_privmsg = 0;
497 statistics_commands = 0;
498 return system(command);
503 time_t getStartTime() {
507 int getRunningThreads() {
509 return running_threads;
515 void write_log(int loglevel, const char *line, int len) {
516 SYNCHRONIZE(log_sync);
517 if(!daemonized && (print_loglevel & loglevel)) {
519 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
520 fprintf(stderr, "%s", line);
522 if(get_int_field("log.loglevel") & loglevel) {
524 log_fptr = fopen(LOG_FILE, "a");
525 if(!log_fptr) goto write_log_end;
530 timeinfo = localtime(&rawtime);
532 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
533 fwrite(timestr, 1, timepos, log_fptr);
534 fwrite(line, 1, len, log_fptr);
537 DESYNCHRONIZE(log_sync);
540 void putlog(int loglevel, const char *text, ...) {
542 char logBuf[MAXLOGLEN];
545 va_start(arg_list, text);
546 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
548 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
550 write_log(loglevel, logBuf, pos);
553 static void check_firstrun() {
556 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
558 if (mysql_fetch_row(res) == NULL) {
560 printf("No superuser found...\n");
561 check_firstrun_admin:
562 printf("AuthServ account name of admin user: ");
565 ptr = fgets(adminuser, 30, stdin);
566 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
567 if(strlen(adminuser) < 2) goto check_firstrun_admin;
568 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
570 if ((row = mysql_fetch_row(res)) != NULL)
571 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
573 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
575 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
577 if (mysql_fetch_row(res) == NULL) {
579 printf("No active bot found...\n\n");
580 printf("ADD NEW BOT\n");
583 check_firstrun_bot_nick:
585 ptr = fgets(bot_nick, 30, stdin);
586 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
587 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
589 check_firstrun_bot_ident:
591 ptr = fgets(bot_ident, 15, stdin);
592 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
593 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
594 char bot_realname[101];
595 check_firstrun_bot_realname:
596 printf("Realname: ");
597 ptr = fgets(bot_realname, 100, stdin);
598 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
599 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
600 char bot_server[101];
601 check_firstrun_bot_server:
602 printf("Server: [irc.onlinegamesnet.net] ");
603 ptr = fgets(bot_server, 100, stdin);
604 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
605 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
607 strcpy(bot_server, "irc.onlinegamesnet.net");
609 char bot_port_buf[7];
610 printf("Port: [6667] ");
611 ptr = fgets(bot_port_buf, 6, stdin);
612 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
616 bot_port = atoi(bot_port_buf);
619 check_firstrun_bot_ssl:
620 printf("SSL: [y/N] ");
621 ptr = fgets(bot_ssl_buf, 4, stdin);
622 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
623 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
625 else if(tolower(*bot_ssl_buf) == 'y')
628 goto check_firstrun_bot_ssl;
630 printf("Server Password: [] ");
631 ptr = fgets(bot_pass, 100, stdin);
632 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
634 char bot_maxchan_buf[5];
635 printf("MaxChannel: [20] ");
636 ptr = fgets(bot_maxchan_buf, 5, stdin);
637 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
639 bot_maxchan = atoi(bot_maxchan_buf);
643 char bot_queue_buf[5];
644 check_firstrun_bot_queue:
645 printf("Queue (prevents excess floods): [Y/n] ");
646 ptr = fgets(bot_queue_buf, 4, stdin);
647 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
648 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
650 else if(tolower(*bot_queue_buf) == 'n')
653 goto check_firstrun_bot_queue;
654 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);