1 /* main.c - NeonServ v5.3
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"
45 static int running, hard_restart;
46 static int statistics_requested_lusers = 0;
47 int statistics_enabled;
48 TIMEQ_CALLBACK(main_statistics);
49 TIMEQ_CALLBACK(main_checkauths);
50 static int daemonized = 0;
51 static int print_loglevel = 0;
52 static FILE *log_fptr = NULL;
53 static int process_argc;
54 static char **process_argv;
57 pthread_mutex_t cache_sync;
58 pthread_mutex_t whohandler_sync, whohandler_mass_sync;
59 static pthread_mutex_t log_sync;
62 static void check_firstrun();
75 free_handleinfohandler();
79 static int load_mysql_config() {
80 char *mysql_host, *mysql_user, *mysql_pass, *mysql_base;
83 mysql_host = get_string_field("MySQL.host");
85 perror("invalid neonserv.conf: missing MySQL.host");
88 mysql_serverport = get_int_field("MySQL.port");
90 mysql_serverport = 3306;
91 mysql_user = get_string_field("MySQL.user");
93 perror("invalid neonserv.conf: missing MySQL.user");
96 mysql_pass = get_string_field("MySQL.pass");
98 perror("invalid neonserv.conf: missing MySQL.pass");
101 mysql_base = get_string_field("MySQL.base");
103 perror("invalid neonserv.conf: missing MySQL base");
106 init_mysql(mysql_host, mysql_serverport, mysql_user, mysql_pass, mysql_base);
111 pthread_t *current_threads = NULL;
113 void * thread_main(void *arg) {
116 socket_wait = time(0) + SOCKET_SELECT_TIME;
118 if(!socket_loop(SOCKET_SELECT_TIME)) {
119 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.");
123 } while(time(0) < socket_wait);
132 int getCurrentThreadID() {
133 if(!current_threads) return 0;
135 unsigned int my_tid = (unsigned int) pthread_self_tid();
136 for(i = 0; i < running_threads; i++) {
138 if((unsigned int) current_threads[i].p == my_tid)
140 if((unsigned int) current_threads[i] == my_tid)
159 int main(int argc, char *argv[]) {
160 int run_as_daemon = 1;
164 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
165 struct option options[] = {
167 {"foreground", 0, 0, 'f'},
169 {"version", 0, 0, 'v'},
172 while ((c = getopt_long(argc, argv, "s:fvh", options, NULL)) != -1) {
175 print_loglevel = atoi(optarg);
181 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
182 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
186 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
187 printf(" -s, --show show log lines matching loglevel in stdout.\n");
188 printf(" -f, --foreground run NeonServ in the foreground.\n");
189 printf(" -h, --help prints this usage message.\n");
190 printf(" -v, --version prints this program's version.\n");
195 if(geteuid() == 0 || getuid() == 0) {
196 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
199 if(!loadConfig(CONF_FILE)) {
200 fprintf(stderr, "Unable to load " CONF_FILE "\n");
204 THREAD_MUTEX_INIT(log_sync);
206 if(!load_mysql_config()) {
207 fprintf(stderr, "Unable to connect to MySQL\n");
213 /* Attempt to fork into the background if daemon mode is on. */
216 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
217 } else if (pid > 0) {
218 printf("Forking into the background (pid: %d)...\n", pid);
219 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
225 FILE *pidfile = fopen(PID_FILE, "w");
226 if (pidfile == NULL) {
227 fprintf(stderr, "Unable to create PID file: %s", strerror(errno));
228 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s", strerror(errno));
230 fprintf(pidfile, "%i\n", (int)getpid());
233 fclose(stdin); fopen("/dev/null", "r");
234 fclose(stdout); fopen("/dev/null", "w");
235 fclose(stderr); fopen("/dev/null", "w");
240 signal(SIGABRT, sighandler);
241 signal(SIGFPE, sighandler);
242 signal(SIGILL, sighandler);
243 signal(SIGINT, sighandler);
244 signal(SIGSEGV, sighandler);
245 signal(SIGTERM, sighandler);
247 #ifdef ENABLE_MEMORY_DEBUG
251 start_time = time(0);
256 // Start Windows Sockets.
257 res = WSAStartup(MAKEWORD(2, 0), &wsadata);
260 perror("Unable to start Windows Sockets");
265 statistics_enabled = get_int_field("statistics.enable");
268 THREAD_MUTEX_INIT(cache_sync);
269 THREAD_MUTEX_INIT(whohandler_sync);
270 THREAD_MUTEX_INIT(whohandler_mass_sync);
284 register_module_commands();
285 init_handleinfohandler();
293 int update_minutes = get_int_field("statistics.frequency");
294 if(!update_minutes) update_minutes = 2;
295 timeq_add(update_minutes * 60 + 10, 0, main_statistics, NULL);
297 timeq_add(90, 0, main_checkauths, NULL);
299 int worker_threads = get_int_field("General.worker_threads");
300 if(!worker_threads) worker_threads = 1;
304 current_threads = calloc(worker_threads, sizeof(*current_threads));
305 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
307 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
309 int usleep_delay = 1000000 / TICKS_PER_SECOND;
316 usleep(usleep_delay);
318 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
319 pthread_join(current_threads[tid_id], NULL);
325 socket_wait = time(0) + SOCKET_SELECT_TIME;
327 if(!socket_loop(SOCKET_SELECT_TIME)) {
328 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.");
332 } while(time(0) < socket_wait);
349 void restart_process() {
350 /* Append a NULL to the end of argv[]. */
351 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
352 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
353 restart_argv[process_argc] = NULL;
355 execv(process_argv[0], (const char * const*)restart_argv);
357 execv(process_argv[0], restart_argv);
361 int stricmp (const char *s1, const char *s2)
363 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
364 if (s2 == NULL) return *s1;
366 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
368 if (*s1 == '\0') break;
374 int stricmplen (const char *s1, const char *s2, int len)
376 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
377 if (s2 == NULL) return *s1;
380 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
383 if (*s1 == '\0') break;
390 void restart_bot(int do_hard_restart) {
391 hard_restart = do_hard_restart;
400 void reload_config() {
401 loadConfig(CONF_FILE);
404 static int getCurrentSecondsOfDay() {
405 time_t now = time(0);
406 struct tm *timeofday = localtime(&now);
408 seconds += timeofday->tm_hour * 3600;
409 seconds += timeofday->tm_min * 60;
410 seconds += timeofday->tm_sec;
414 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
415 //check if registered is still valid
418 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
420 if ((row = mysql_fetch_row(res)) != NULL) {
421 if(!exists || (strcmp(row[1], "0") && registered != atoi(row[1]))) {
422 //User is no longer valid! Delete it...
423 deleteUser(atoi(row[0]));
424 char *alertchan = get_string_field("General.CheckAuths.alertchan");
426 struct ChanNode *alertchan_chan = getChanByName(alertchan);
427 struct ClientSocket *alertclient;
428 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
429 putsock(alertclient, "PRIVMSG %s :Deleted User %s", alertchan_chan->name, auth);
432 } else if(exists && !strcmp(row[1], "0")) {
433 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
435 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
440 TIMEQ_CALLBACK(main_checkauths) {
442 if(get_int_field("General.CheckAuths.enabled")) {
443 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
444 int duration = get_int_field("General.CheckAuths.duration") * 60;
445 int now = getCurrentSecondsOfDay();
446 if(now < check_start_time && check_start_time+duration >= 86400) {
447 check_start_time -= 86400;
449 if(now >= check_start_time && now < (check_start_time + duration)) {
450 next_call = get_int_field("General.CheckAuths.interval");
451 //get the "longest-unchecked-user"
455 time_t unixtime = time(0);
456 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
457 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
459 if ((row = mysql_fetch_row(res)) != NULL) {
460 lastcheck = atoi(row[1]);
461 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
462 lookup_authname(row[0], 0, main_checkauths_callback, NULL);
468 if(now > check_start_time)
469 pending = 86400 - now + check_start_time;
471 pending = check_start_time - now;
477 timeq_add(next_call, 0, main_checkauths, NULL);
480 TIMEQ_CALLBACK(main_statistics) {
481 int update_minutes = get_int_field("statistics.frequency");
482 if(!update_minutes) update_minutes = 2;
483 timeq_add(update_minutes * 60, 0, main_statistics, NULL);
484 if(get_int_field("statistics.enable")) {
485 statistics_enabled = 1;
486 statistics_requested_lusers = 1;
487 if(get_int_field("statistics.include_lusers")) {
488 struct ClientSocket *bot, *lusersbot = NULL;
489 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
490 if(bot->flags & SOCKET_FLAG_PREFERRED)
494 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
495 putsock(bot, "LUSERS");
500 statistics_enabled = 0;
503 void statistics_update() {
504 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
505 statistics_requested_lusers = 0;
506 char command[MAXLEN];
512 - commands per minute
516 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);
517 statistics_privmsg = 0;
518 statistics_commands = 0;
523 time_t getStartTime() {
527 int getRunningThreads() {
528 return running_threads;
531 void write_log(int loglevel, const char *line, int len) {
532 SYNCHRONIZE(log_sync);
533 if(!daemonized && (print_loglevel & loglevel)) {
535 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
536 fprintf(stderr, "%s", line);
538 if(get_int_field("log.loglevel") & loglevel) {
540 log_fptr = fopen(LOG_FILE, "a");
541 if(!log_fptr) goto write_log_end;
546 timeinfo = localtime(&rawtime);
548 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
549 fwrite(timestr, 1, timepos, log_fptr);
550 fwrite(line, 1, len, log_fptr);
553 DESYNCHRONIZE(log_sync);
556 void putlog(int loglevel, const char *text, ...) {
558 char logBuf[MAXLOGLEN];
561 va_start(arg_list, text);
562 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
564 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
566 write_log(loglevel, logBuf, pos);
569 static void check_firstrun() {
572 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
574 if (mysql_fetch_row(res) == NULL) {
576 printf("No superuser found...\n");
577 check_firstrun_admin:
578 printf("AuthServ account name of admin user: ");
581 fgets(adminuser, 30, stdin);
582 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
583 if(strlen(adminuser) < 2) goto check_firstrun_admin;
584 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
586 if ((row = mysql_fetch_row(res)) != NULL)
587 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
589 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
591 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
593 if (mysql_fetch_row(res) == NULL) {
595 printf("No active bot found...\n\n");
596 printf("ADD NEW BOT\n");
599 check_firstrun_bot_nick:
601 fgets(bot_nick, 30, stdin);
602 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
603 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
605 check_firstrun_bot_ident:
607 fgets(bot_ident, 15, stdin);
608 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
609 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
610 char bot_realname[101];
611 check_firstrun_bot_realname:
612 printf("Realname: ");
613 fgets(bot_realname, 100, stdin);
614 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
615 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
616 char bot_server[101];
617 check_firstrun_bot_server:
618 printf("Server: [irc.onlinegamesnet.net] ");
619 fgets(bot_server, 100, stdin);
620 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
621 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
623 strcpy(bot_server, "irc.onlinegamesnet.net");
625 char bot_port_buf[7];
626 printf("Port: [6667] ");
627 fgets(bot_port_buf, 6, stdin);
628 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
632 bot_port = atoi(bot_port_buf);
635 check_firstrun_bot_ssl:
636 printf("SSL: [y/N] ");
637 fgets(bot_ssl_buf, 4, stdin);
638 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
639 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
641 else if(tolower(*bot_ssl_buf) == 'y')
644 goto check_firstrun_bot_ssl;
646 printf("Server Password: [] ");
647 fgets(bot_pass, 100, stdin);
648 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
650 char bot_maxchan_buf[5];
651 printf("MaxChannel: [20] ");
652 fgets(bot_maxchan_buf, 5, stdin);
653 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
655 bot_maxchan = atoi(bot_maxchan_buf);
659 char bot_queue_buf[5];
660 check_firstrun_bot_queue:
661 printf("Queue (prevents excess floods): [Y/n] ");
662 fgets(bot_queue_buf, 4, stdin);
663 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
664 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
666 else if(tolower(*bot_queue_buf) == 'n')
669 goto check_firstrun_bot_queue;
670 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);