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 for(argi = 1; argi < argc; argi++) {
165 if(!strcmp(argv[argi], "-f") || !strcmp(argv[argi], "--foreground")) {
167 } else if(!strcmp(argv[argi], "-s") || !strcmp(argv[argi], "--show")) {
168 if(argi+1 == argc) break;
170 print_loglevel = atoi(argv[argi]);
171 } else if(!strcmp(argv[argi], "-v") || !strcmp(argv[argi], "--version")) {
172 printf("Version: %s.%d (%s)\n", NEONSERV_VERSION, patchlevel, (strcmp(revision, "") ? revision : "-"));
173 printf("Build: #%s %s (%s lines, " COMPILER ")\n", compilation, creation, codelines);
175 } else if(!strcmp(argv[argi], "-h") || !strcmp(argv[argi], "--help")) {
176 printf("Usage: ./neonserv [-s loglevel] [-f] [-h|-v]\n");
177 printf(" -s, --show show log lines matching loglevel in stdout.\n");
178 printf(" -f, --foreground run NeonServ in the foreground.\n");
179 printf(" -h, --help prints this usage message.\n");
180 printf(" -v, --version prints this program's version.\n");
184 if(geteuid() == 0 || getuid() == 0) {
185 fprintf(stderr, "NeonServ may not be run with super user privileges.\n");
188 if(!loadConfig(CONF_FILE)) {
189 fprintf(stderr, "Unable to load " CONF_FILE "\n");
193 THREAD_MUTEX_INIT(log_sync);
195 if(!load_mysql_config()) {
196 fprintf(stderr, "Unable to connect to MySQL\n");
202 /* Attempt to fork into the background if daemon mode is on. */
205 fprintf(stderr, "Unable to fork: %s\n", strerror(errno));
206 } else if (pid > 0) {
207 printf("Forking into the background (pid: %d)...\n", pid);
208 putlog(LOGLEVEL_INFO, "Forking into the background (pid: %d)...\n", pid);
214 FILE *pidfile = fopen(PID_FILE, "w");
215 if (pidfile == NULL) {
216 fprintf(stderr, "Unable to create PID file: %s", strerror(errno));
217 putlog(LOGLEVEL_ERROR, "Unable to create PID file: %s", strerror(errno));
219 fprintf(pidfile, "%i\n", (int)getpid());
222 fclose(stdin); fopen("/dev/null", "r");
223 fclose(stdout); fopen("/dev/null", "w");
224 fclose(stderr); fopen("/dev/null", "w");
229 signal(SIGABRT, sighandler);
230 signal(SIGFPE, sighandler);
231 signal(SIGILL, sighandler);
232 signal(SIGINT, sighandler);
233 signal(SIGSEGV, sighandler);
234 signal(SIGTERM, sighandler);
236 #ifdef ENABLE_MEMORY_DEBUG
240 start_time = time(0);
245 // Start Windows Sockets.
246 res = WSAStartup(MAKEWORD(2, 0), &wsadata);
249 perror("Unable to start Windows Sockets");
254 statistics_enabled = get_int_field("statistics.enable");
257 THREAD_MUTEX_INIT(cache_sync);
258 THREAD_MUTEX_INIT(whohandler_sync);
259 THREAD_MUTEX_INIT(whohandler_mass_sync);
273 init_handleinfohandler();
281 int update_minutes = get_int_field("statistics.frequency");
282 if(!update_minutes) update_minutes = 2;
283 timeq_add(update_minutes * 60 + 10, main_statistics, NULL);
285 timeq_add(90, main_checkauths, NULL);
287 int worker_threads = get_int_field("General.worker_threads");
288 if(!worker_threads) worker_threads = 1;
292 current_threads = calloc(worker_threads, sizeof(*current_threads));
293 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
295 pthread_create(¤t_threads[tid_id], NULL, thread_main, NULL);
297 int usleep_delay = 1000000 / TICKS_PER_SECOND;
304 usleep(usleep_delay);
306 for(tid_id = 0; tid_id < worker_threads; tid_id++) {
307 pthread_join(current_threads[tid_id], NULL);
313 socket_wait = time(0) + SOCKET_SELECT_TIME;
315 if(!socket_loop(SOCKET_SELECT_TIME)) {
316 putlog(LOGLEVEL_ERROR, "No more active Bots... shutting down.");
320 } while(time(0) < socket_wait);
337 void restart_process() {
338 /* Append a NULL to the end of argv[]. */
339 char **restart_argv = (char **)alloca((process_argc + 1) * sizeof(char *));
340 memcpy(restart_argv, process_argv, process_argc * sizeof(char *));
341 restart_argv[process_argc] = NULL;
343 execv(process_argv[0], (const char * const*)restart_argv);
345 execv(process_argv[0], restart_argv);
349 int stricmp (const char *s1, const char *s2)
351 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
352 if (s2 == NULL) return *s1;
354 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
356 if (*s1 == '\0') break;
362 int stricmplen (const char *s1, const char *s2, int len)
364 if (s1 == NULL) return s2 == NULL ? 0 : -(*s2);
365 if (s2 == NULL) return *s1;
368 while ((c1 = tolower (*s1)) == (c2 = tolower (*s2)))
371 if (*s1 == '\0') break;
378 void restart_bot(int do_hard_restart) {
379 hard_restart = do_hard_restart;
388 void reload_config() {
389 loadConfig(CONF_FILE);
392 static int getCurrentSecondsOfDay() {
393 time_t now = time(0);
394 struct tm *timeofday = localtime(&now);
396 seconds += timeofday->tm_hour * 3600;
397 seconds += timeofday->tm_min * 60;
398 seconds += timeofday->tm_sec;
402 static AUTHLOOKUP_CALLBACK(main_checkauths_callback) {
403 //check if registered is still valid
406 printf_mysql_query("SELECT `user_id`, `user_registered` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
408 if ((row = mysql_fetch_row(res)) != NULL) {
409 if(!exists || (strcmp(row[1], "0") && registered != atoi(row[1]))) {
410 //User is no longer valid! Delete it...
411 deleteUser(atoi(row[0]));
412 char *alertchan = get_string_field("General.CheckAuths.alertchan");
414 struct ChanNode *alertchan_chan = getChanByName(alertchan);
415 struct ClientSocket *alertclient;
416 if(alertchan_chan && (alertclient = getChannelBot(alertchan_chan, 0)) != NULL) {
417 putsock(alertclient, "PRIVMSG %s :Deleted User %s", alertchan_chan->name, auth);
420 } else if(exists && !strcmp(row[1], "0")) {
421 printf_mysql_query("UPDATE `users` SET `user_registered` = '%lu', `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", (unsigned long) registered, row[0]);
423 printf_mysql_query("UPDATE `users` SET `user_lastcheck` = UNIX_TIMESTAMP() WHERE `user_id` = '%s'", row[0]);
428 TIMEQ_CALLBACK(main_checkauths) {
430 if(get_int_field("General.CheckAuths.enabled")) {
431 int check_start_time = get_int_field("General.CheckAuths.start_time") * 3600;
432 int duration = get_int_field("General.CheckAuths.duration") * 60;
433 int now = getCurrentSecondsOfDay();
434 if(now < check_start_time && check_start_time+duration >= 86400) {
435 check_start_time -= 86400;
437 if(now >= check_start_time && now < (check_start_time + duration)) {
438 next_call = get_int_field("General.CheckAuths.interval");
439 //get the "longest-unchecked-user"
443 time_t unixtime = time(0);
444 int min_unckecked = get_int_field("General.CheckAuths.min_unckecked");
445 printf_mysql_query("SELECT `user_user`, `user_lastcheck` FROM `users` ORDER BY `user_lastcheck` ASC LIMIT 1");
447 if ((row = mysql_fetch_row(res)) != NULL) {
448 lastcheck = atoi(row[1]);
449 if(!lastcheck || unixtime - lastcheck >= min_unckecked) {
450 lookup_authname(row[0], main_checkauths_callback, NULL);
456 if(now > check_start_time)
457 pending = 86400 - now + check_start_time;
459 pending = check_start_time - now;
465 timeq_add(next_call, main_checkauths, NULL);
468 TIMEQ_CALLBACK(main_statistics) {
469 int update_minutes = get_int_field("statistics.frequency");
470 if(!update_minutes) update_minutes = 2;
471 timeq_add(update_minutes * 60, main_statistics, NULL);
472 if(get_int_field("statistics.enable")) {
473 statistics_enabled = 1;
474 statistics_requested_lusers = 1;
475 if(get_int_field("statistics.include_lusers")) {
476 struct ClientSocket *bot, *lusersbot = NULL;
477 for(bot = getBots(SOCKET_FLAG_READY, NULL); bot; bot = getBots(SOCKET_FLAG_READY, bot)) {
478 if(bot->flags & SOCKET_FLAG_PREFERRED)
482 if(bot == NULL) bot = getBots(SOCKET_FLAG_READY, NULL);
483 putsock(bot, "LUSERS");
488 statistics_enabled = 0;
491 void statistics_update() {
492 if(get_int_field("statistics.enable") && statistics_requested_lusers && get_string_field("statistics.execute")) {
493 statistics_requested_lusers = 0;
494 char command[MAXLEN];
500 - commands per minute
504 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);
505 statistics_privmsg = 0;
506 statistics_commands = 0;
511 void write_log(int loglevel, const char *line, int len) {
512 SYNCHRONIZE(log_sync);
513 if(!daemonized && (print_loglevel & loglevel)) {
515 } else if(!daemonized && loglevel == LOGLEVEL_ERROR) {
516 fprintf(stderr, "%s", line);
518 if(get_int_field("log.loglevel") & loglevel) {
520 log_fptr = fopen(LOG_FILE, "a");
521 if(!log_fptr) goto write_log_end;
526 timeinfo = localtime(&rawtime);
528 int timepos = strftime(timestr, 20, "%x %X ", timeinfo);
529 fwrite(timestr, 1, timepos, log_fptr);
530 fwrite(line, 1, len, log_fptr);
533 DESYNCHRONIZE(log_sync);
536 void putlog(int loglevel, const char *text, ...) {
538 char logBuf[MAXLOGLEN];
541 va_start(arg_list, text);
542 pos = vsnprintf(logBuf, MAXLOGLEN - 1, text, arg_list);
544 if (pos < 0 || pos > (MAXLOGLEN - 1)) pos = MAXLOGLEN - 1;
546 write_log(loglevel, logBuf, pos);
549 static void check_firstrun() {
552 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_access` = 1000 LIMIT 1");
554 if (mysql_fetch_row(res) == NULL) {
556 printf("No superuser found...\n");
557 check_firstrun_admin:
558 printf("AuthServ account name of admin user: ");
561 fgets(adminuser, 30, stdin);
562 for(ptr = adminuser; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
563 if(strlen(adminuser) < 2) goto check_firstrun_admin;
564 printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(adminuser));
566 if ((row = mysql_fetch_row(res)) != NULL)
567 printf_mysql_query("UPDATE `users` SET `user_access` = 1000 WHERE `user_id` = '%s'", row[0]);
569 printf_mysql_query("INSERT INTO `users` (`user_user`, `user_access`) VALUES ('%s', 1000)", escape_string(adminuser));
571 printf_mysql_query("SELECT `id` FROM `bots` WHERE `active` = 1 LIMIT 1");
573 if (mysql_fetch_row(res) == NULL) {
575 printf("No active bot found...\n\n");
576 printf("ADD NEW BOT\n");
579 check_firstrun_bot_nick:
581 fgets(bot_nick, 30, stdin);
582 for(ptr = bot_nick; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
583 if(strlen(bot_nick) < 2) goto check_firstrun_bot_nick;
585 check_firstrun_bot_ident:
587 fgets(bot_ident, 15, stdin);
588 for(ptr = bot_ident; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
589 if(strlen(bot_ident) < 2) goto check_firstrun_bot_ident;
590 char bot_realname[101];
591 check_firstrun_bot_realname:
592 printf("Realname: ");
593 fgets(bot_realname, 100, stdin);
594 for(ptr = bot_realname; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
595 if(strlen(bot_realname) < 2) goto check_firstrun_bot_realname;
596 char bot_server[101];
597 check_firstrun_bot_server:
598 printf("Server: [irc.onlinegamesnet.net] ");
599 fgets(bot_server, 100, stdin);
600 for(ptr = bot_server; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
601 if(*bot_server && strlen(bot_nick) < 5) goto check_firstrun_bot_server;
603 strcpy(bot_server, "irc.onlinegamesnet.net");
605 char bot_port_buf[7];
606 printf("Port: [6667] ");
607 fgets(bot_port_buf, 6, stdin);
608 for(ptr = bot_port_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
612 bot_port = atoi(bot_port_buf);
615 check_firstrun_bot_ssl:
616 printf("SSL: [y/N] ");
617 fgets(bot_ssl_buf, 4, stdin);
618 for(ptr = bot_ssl_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
619 if(!*bot_ssl_buf || tolower(*bot_ssl_buf) == 'n')
621 else if(tolower(*bot_ssl_buf) == 'y')
624 goto check_firstrun_bot_ssl;
626 printf("Server Password: [] ");
627 fgets(bot_pass, 100, stdin);
628 for(ptr = bot_pass; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
630 char bot_maxchan_buf[5];
631 printf("MaxChannel: [20] ");
632 fgets(bot_maxchan_buf, 5, stdin);
633 for(ptr = bot_maxchan_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
635 bot_maxchan = atoi(bot_maxchan_buf);
639 char bot_queue_buf[5];
640 check_firstrun_bot_queue:
641 printf("Queue (prevents excess floods): [Y/n] ");
642 fgets(bot_queue_buf, 4, stdin);
643 for(ptr = bot_queue_buf; *ptr; ptr++) { if(*ptr == '\n' || *ptr == '\r') *ptr = '\0'; }
644 if(!*bot_queue_buf || tolower(*bot_queue_buf) == 'y')
646 else if(tolower(*bot_queue_buf) == 'n')
649 goto check_firstrun_bot_queue;
650 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);