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"
38 #include "ConfigParser.h"
44 static int running, hard_restart;
45 static int statistics_requested_lusers = 0;
46 int statistics_enabled;
47 TIMEQ_CALLBACK(main_statistics);
48 TIMEQ_CALLBACK(main_checkauths);
49 static int daemonized = 0;
50 static int print_loglevel = 0;
51 static FILE *log_fptr = NULL;
52 static int process_argc;
53 static char **process_argv;
56 pthread_mutex_t cache_sync;
57 pthread_mutex_t whohandler_sync, whohandler_mass_sync;
58 static pthread_mutex_t log_sync;
61 static void check_firstrun();
74 free_handleinfohandler();
78 static int load_mysql_config() {
79 char *mysql_host, *mysql_user, *mysql_pass, *mysql_base;
82 mysql_host = get_string_field("MySQL.host");
84 perror("invalid neonserv.conf: missing MySQL.host");
87 mysql_serverport = get_int_field("MySQL.port");
89 mysql_serverport = 3306;
90 mysql_user = get_string_field("MySQL.user");
92 perror("invalid neonserv.conf: missing MySQL.user");
95 mysql_pass = get_string_field("MySQL.pass");
97 perror("invalid neonserv.conf: missing MySQL.pass");
100 mysql_base = get_string_field("MySQL.base");
102 perror("invalid neonserv.conf: missing MySQL base");
105 init_mysql(mysql_host, mysql_serverport, mysql_user, mysql_pass, mysql_base);
110 pthread_t *current_threads = NULL;
112 void * thread_main(void *arg) {
115 socket_wait = time(0) + SOCKET_SELECT_TIME;
117 if(!socket_loop(SOCKET_SELECT_TIME)) {
118 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.");
122 } while(time(0) < socket_wait);
131 int getCurrentThreadID() {
132 if(!current_threads) return 0;
134 unsigned int my_tid = (unsigned int) pthread_self_tid();
135 for(i = 0; i < running_threads; i++) {
137 if((unsigned int) current_threads[i].p == my_tid)
139 if((unsigned int) current_threads[i] == my_tid)
158 int main(int argc, char *argv[]) {
159 int run_as_daemon = 1;
163 printf("NeonServ v%s\n\n", NEONSERV_VERSION);
164 struct option options[] = {
166 {"foreground", 0, 0, 'f'},
168 {"version", 0, 0, 'v'},
171 while ((c = getopt_long(argc, argv, "c:dfhkr:v", options, NULL)) != -1) {
174 print_loglevel = atoi(optarg);
180 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
181 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
185 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
186 printf(" -s, --show show log lines matching loglevel in stdout.\n");
187 printf(" -f, --foreground run NeonServ in the foreground.\n");
188 printf(" -h, --help prints this usage message.\n");
189 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");
198 if(!loadConfig(CONF_FILE)) {
199 fprintf(stderr, "Unable to load " CONF_FILE "\n");
203 THREAD_MUTEX_INIT(log_sync);
205 if(!load_mysql_config()) {
206 fprintf(stderr, "Unable to connect to MySQL\n");
212 /* Attempt to fork into the background if daemon mode is on. */
215 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
216 } else if (pid > 0) {
217 printf("Forking into the background (pid: %d)...\n", pid);
218 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
224 FILE *pidfile = fopen(PID_FILE, "w");
225 if (pidfile == NULL) {
226 fprintf(stderr, "Unable to create PID file: %s", strerror(errno));
227 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s", strerror(errno));
229 fprintf(pidfile, "%i\n", (int)getpid());
232 fclose(stdin); fopen("/dev/null", "r");
233 fclose(stdout); fopen("/dev/null", "w");
234 fclose(stderr); fopen("/dev/null", "w");
239 signal(SIGABRT, sighandler);
240 signal(SIGFPE, sighandler);
241 signal(SIGILL, sighandler);
242 signal(SIGINT, sighandler);
243 signal(SIGSEGV, sighandler);
244 signal(SIGTERM, sighandler);
246 #ifdef ENABLE_MEMORY_DEBUG
250 start_time = time(0);
255 // Start Windows Sockets.
256 res = WSAStartup(MAKEWORD(2, 0), &wsadata);
259 perror("Unable to start Windows Sockets");
264 statistics_enabled = get_int_field("statistics.enable");
267 THREAD_MUTEX_INIT(cache_sync);
268 THREAD_MUTEX_INIT(whohandler_sync);
269 THREAD_MUTEX_INIT(whohandler_mass_sync);
283 init_handleinfohandler();
291 int update_minutes = get_int_field("statistics.frequency");
292 if(!update_minutes) update_minutes = 2;
293 timeq_add(update_minutes * 60 + 10, main_statistics, NULL);
295 timeq_add(90, main_checkauths, NULL);
297 int worker_threads = get_int_field("General.worker_threads");
298 if(!worker_threads) worker_threads = 1;
302 current_threads = calloc(worker_threads, sizeof(*current_threads));
303 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
305 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
307 int usleep_delay = 1000000 / TICKS_PER_SECOND;
314 usleep(usleep_delay);
316 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
317 pthread_join(current_threads[tid_id], NULL);
323 socket_wait = time(0) + SOCKET_SELECT_TIME;
325 if(!socket_loop(SOCKET_SELECT_TIME)) {
326 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.");
330 } while(time(0) < socket_wait);
347 void restart_process() {
348 /* Append a NULL to the end of argv[]. */
349 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
350 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
351 restart_argv[process_argc] = NULL;
353 execv(process_argv[0], (const char * const*)restart_argv);
355 execv(process_argv[0], restart_argv);
359 int stricmp (const char *s1, const char *s2)
361 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
362 if (s2 == NULL) return *s1;
364 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
366 if (*s1 == '\0') break;
372 int stricmplen (const char *s1, const char *s2, int len)
374 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
375 if (s2 == NULL) return *s1;
378 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
381 if (*s1 == '\0') break;
388 void restart_bot(int do_hard_restart) {
389 hard_restart = do_hard_restart;
398 void reload_config() {
399 loadConfig(CONF_FILE);
402 static int getCurrentSecondsOfDay() {
403 time_t now = time(0);
404 struct tm *timeofday = localtime(&now);
406 seconds += timeofday->tm_hour * 3600;
407 seconds += timeofday->tm_min * 60;
408 seconds += timeofday->tm_sec;
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 if(!exists || (strcmp(row[1], "0") && registered != atoi(row[1]))) {
420 //User is no longer valid! Delete it...
421 deleteUser(atoi(row[0]));
422 char *alertchan = get_string_field("General.CheckAuths.alertchan");
424 struct ChanNode *alertchan_chan = getChanByName(alertchan);
425 struct ClientSocket *alertclient;
426 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
427 putsock(alertclient, "PRIVMSG %s :Deleted User %s", alertchan_chan->name, auth);
430 } else if(exists && !strcmp(row[1], "0")) {
431 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
433 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
438 TIMEQ_CALLBACK(main_checkauths) {
440 if(get_int_field("General.CheckAuths.enabled")) {
441 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
442 int duration = get_int_field("General.CheckAuths.duration") * 60;
443 int now = getCurrentSecondsOfDay();
444 if(now < check_start_time && check_start_time+duration >= 86400) {
445 check_start_time -= 86400;
447 if(now >= check_start_time && now < (check_start_time + duration)) {
448 next_call = get_int_field("General.CheckAuths.interval");
449 //get the "longest-unchecked-user"
453 time_t unixtime = time(0);
454 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
455 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
457 if ((row = mysql_fetch_row(res)) != NULL) {
458 lastcheck = atoi(row[1]);
459 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
460 lookup_authname(row[0], main_checkauths_callback, NULL);
466 if(now > check_start_time)
467 pending = 86400 - now + check_start_time;
469 pending = check_start_time - now;
475 timeq_add(next_call, main_checkauths, NULL);
478 TIMEQ_CALLBACK(main_statistics) {
479 int update_minutes = get_int_field("statistics.frequency");
480 if(!update_minutes) update_minutes = 2;
481 timeq_add(update_minutes * 60, main_statistics, NULL);
482 if(get_int_field("statistics.enable")) {
483 statistics_enabled = 1;
484 statistics_requested_lusers = 1;
485 if(get_int_field("statistics.include_lusers")) {
486 struct ClientSocket *bot, *lusersbot = NULL;
487 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
488 if(bot->flags & SOCKET_FLAG_PREFERRED)
492 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
493 putsock(bot, "LUSERS");
498 statistics_enabled = 0;
501 void statistics_update() {
502 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
503 statistics_requested_lusers = 0;
504 char command[MAXLEN];
510 - commands per minute
514 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);
515 statistics_privmsg = 0;
516 statistics_commands = 0;
521 void write_log(int loglevel, const char *line, int len) {
522 SYNCHRONIZE(log_sync);
523 if(!daemonized && (print_loglevel & loglevel)) {
525 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
526 fprintf(stderr, "%s", line);
528 if(get_int_field("log.loglevel") & loglevel) {
530 log_fptr = fopen(LOG_FILE, "a");
531 if(!log_fptr) goto write_log_end;
536 timeinfo = localtime(&rawtime);
538 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
539 fwrite(timestr, 1, timepos, log_fptr);
540 fwrite(line, 1, len, log_fptr);
543 DESYNCHRONIZE(log_sync);
546 void putlog(int loglevel, const char *text, ...) {
548 char logBuf[MAXLOGLEN];
551 va_start(arg_list, text);
552 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
554 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
556 write_log(loglevel, logBuf, pos);
559 static void check_firstrun() {
562 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
564 if (mysql_fetch_row(res) == NULL) {
566 printf("No superuser found...\n");
567 check_firstrun_admin:
568 printf("AuthServ account name of admin user: ");
571 fgets(adminuser, 30, stdin);
572 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
573 if(strlen(adminuser) < 2) goto check_firstrun_admin;
574 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
576 if ((row = mysql_fetch_row(res)) != NULL)
577 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
579 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
581 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
583 if (mysql_fetch_row(res) == NULL) {
585 printf("No active bot found...\n\n");
586 printf("ADD NEW BOT\n");
589 check_firstrun_bot_nick:
591 fgets(bot_nick, 30, stdin);
592 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
593 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
595 check_firstrun_bot_ident:
597 fgets(bot_ident, 15, stdin);
598 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
599 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
600 char bot_realname[101];
601 check_firstrun_bot_realname:
602 printf("Realname: ");
603 fgets(bot_realname, 100, stdin);
604 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
605 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
606 char bot_server[101];
607 check_firstrun_bot_server:
608 printf("Server: [irc.onlinegamesnet.net] ");
609 fgets(bot_server, 100, stdin);
610 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
611 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
613 strcpy(bot_server, "irc.onlinegamesnet.net");
615 char bot_port_buf[7];
616 printf("Port: [6667] ");
617 fgets(bot_port_buf, 6, stdin);
618 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
622 bot_port = atoi(bot_port_buf);
625 check_firstrun_bot_ssl:
626 printf("SSL: [y/N] ");
627 fgets(bot_ssl_buf, 4, stdin);
628 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
629 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
631 else if(tolower(*bot_ssl_buf) == 'y')
634 goto check_firstrun_bot_ssl;
636 printf("Server Password: [] ");
637 fgets(bot_pass, 100, stdin);
638 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
640 char bot_maxchan_buf[5];
641 printf("MaxChannel: [20] ");
642 fgets(bot_maxchan_buf, 5, stdin);
643 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
645 bot_maxchan = atoi(bot_maxchan_buf);
649 char bot_queue_buf[5];
650 check_firstrun_bot_queue:
651 printf("Queue (prevents excess floods): [Y/n] ");
652 fgets(bot_queue_buf, 4, stdin);
653 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
654 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
656 else if(tolower(*bot_queue_buf) == 'n')
659 goto check_firstrun_bot_queue;
660 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);