2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
5 * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
6 * der GNU General Public License (GPL), wie von der Free Software Foundation
7 * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
8 * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
9 * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
10 * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
12 * $Id: conf.c,v 1.36 2002/11/08 23:09:26 alex Exp $
14 * conf.h: Konfiguration des ngircd
30 #include <sys/types.h>
44 LOCAL BOOLEAN Use_Log = TRUE;
47 LOCAL VOID Set_Defaults PARAMS(( VOID ));
48 LOCAL VOID Read_Config PARAMS(( VOID ));
49 LOCAL VOID Validate_Config PARAMS(( VOID ));
51 LOCAL VOID Handle_GLOBAL PARAMS(( INT Line, CHAR *Var, CHAR *Arg ));
52 LOCAL VOID Handle_OPERATOR PARAMS(( INT Line, CHAR *Var, CHAR *Arg ));
53 LOCAL VOID Handle_SERVER PARAMS(( INT Line, CHAR *Var, CHAR *Arg ));
54 LOCAL VOID Handle_CHANNEL PARAMS(( INT Line, CHAR *Var, CHAR *Arg ));
56 LOCAL VOID Config_Error PARAMS(( CONST INT Level, CONST CHAR *Format, ... ));
71 /* Konfiguration einlesen, ueberpruefen und ausgeben. */
80 printf( "Using \"%s\" as configuration file ...\n", NGIRCd_ConfFile );
83 /* Wenn stdin ein ein TTY ist: auf Taste warten */
84 if( isatty( fileno( stdout )))
86 puts( "OK, press enter to see a dump of your service configuration ..." );
89 else puts( "Ok, dump of your server configuration follows:\n" );
92 printf( " ServerName = %s\n", Conf_ServerName );
93 printf( " ServerInfo = %s\n", Conf_ServerInfo );
94 printf( " ServerPwd = %s\n", Conf_ServerPwd );
95 printf( " AdminInfo1 = %s\n", Conf_ServerAdmin1 );
96 printf( " AdminInfo2 = %s\n", Conf_ServerAdmin2 );
97 printf( " AdminEMail = %s\n", Conf_ServerAdminMail );
98 printf( " MotdFile = %s\n", Conf_MotdFile );
99 printf( " ListenPorts = " );
100 for( i = 0; i < Conf_ListenPorts_Count; i++ )
102 if( i != 0 ) printf( ", " );
103 printf( "%u", Conf_ListenPorts[i] );
106 pwd = getpwuid( Conf_UID );
107 if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name );
108 else printf( " ServerUID = %ld\n", (LONG)Conf_UID );
109 grp = getgrgid( Conf_GID );
110 if( grp ) printf( " ServerGID = %s\n", grp->gr_name );
111 else printf( " ServerGID = %ld\n", (LONG)Conf_GID );
112 printf( " PingTimeout = %d\n", Conf_PingTimeout );
113 printf( " PongTimeout = %d\n", Conf_PongTimeout );
114 printf( " ConnectRetry = %d\n", Conf_ConnectRetry );
115 printf( " OperCanUseMode = %s\n", Conf_OperCanMode == TRUE ? "yes" : "no" );
116 if( Conf_MaxConnections > 0 ) printf( " MaxConnections = %ld\n", Conf_MaxConnections );
117 else printf( " MaxConnections = -1\n" );
120 for( i = 0; i < Conf_Oper_Count; i++ )
122 if( ! Conf_Oper[i].name[0] ) continue;
124 /* gueltiger Operator-Block: ausgeben */
125 puts( "[OPERATOR]" );
126 printf( " Name = %s\n", Conf_Oper[i].name );
127 printf( " Password = %s\n", Conf_Oper[i].pwd );
131 for( i = 0; i < Conf_Server_Count; i++ )
133 if( ! Conf_Server[i].name[0] ) continue;
134 if( ! Conf_Server[i].host[0] ) continue;
136 /* gueltiger Server-Block: ausgeben */
138 printf( " Name = %s\n", Conf_Server[i].name );
139 printf( " Host = %s\n", Conf_Server[i].host );
140 printf( " Port = %d\n", Conf_Server[i].port );
141 printf( " Password = %s\n", Conf_Server[i].pwd );
142 printf( " Group = %d\n", Conf_Server[i].group );
146 for( i = 0; i < Conf_Channel_Count; i++ )
148 if( ! Conf_Channel[i].name[0] ) continue;
150 /* gueltiger Channel-Block: ausgeben */
152 printf( " Name = %s\n", Conf_Channel[i].name );
153 printf( " Modes = %s\n", Conf_Channel[i].modes );
154 printf( " Topic = %s\n", Conf_Channel[i].topic );
165 /* Konfigurationsvariablen initialisieren, d.h. auf Default-Werte setzen. */
167 strcpy( Conf_ServerName, "" );
168 sprintf( Conf_ServerInfo, "%s %s", PACKAGE, VERSION );
169 strcpy( Conf_ServerPwd, "" );
171 strcpy( Conf_ServerAdmin1, "" );
172 strcpy( Conf_ServerAdmin2, "" );
173 strcpy( Conf_ServerAdminMail, "" );
175 strcpy( Conf_MotdFile, MOTD_FILE );
177 Conf_ListenPorts_Count = 0;
179 Conf_UID = Conf_GID = 0;
181 Conf_PingTimeout = 120;
182 Conf_PongTimeout = 20;
184 Conf_ConnectRetry = 60;
187 Conf_Server_Count = 0;
188 Conf_Channel_Count = 0;
190 Conf_OperCanMode = FALSE;
192 Conf_MaxConnections = 0;
199 /* Konfigurationsdatei einlesen. */
201 CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
205 fd = fopen( NGIRCd_ConfFile, "r" );
208 /* Keine Konfigurationsdatei gefunden */
209 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", NGIRCd_ConfFile, strerror( errno ));
210 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
215 strcpy( section, "" );
218 if( ! fgets( str, LINE_LEN, fd )) break;
222 /* Kommentarzeilen und leere Zeilen ueberspringen */
223 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
225 /* Anfang eines Abschnittes? */
226 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
228 strcpy( section, str );
229 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
230 if( strcasecmp( section, "[OPERATOR]" ) == 0 )
232 if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
235 /* neuen Operator initialisieren */
236 strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
237 strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
242 if( strcasecmp( section, "[SERVER]" ) == 0 )
244 if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
247 /* neuen Server ("Peer") initialisieren */
248 strcpy( Conf_Server[Conf_Server_Count].host, "" );
249 strcpy( Conf_Server[Conf_Server_Count].ip, "" );
250 strcpy( Conf_Server[Conf_Server_Count].name, "" );
251 strcpy( Conf_Server[Conf_Server_Count].pwd, "" );
252 Conf_Server[Conf_Server_Count].port = 0;
253 Conf_Server[Conf_Server_Count].group = -1;
254 Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
255 Conf_Server[Conf_Server_Count].res_stat = NULL;
260 if( strcasecmp( section, "[CHANNEL]" ) == 0 )
262 if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
265 /* neuen vordefinierten Channel initialisieren */
266 strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
267 strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
268 strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
269 Conf_Channel_Count++;
273 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
276 if( section[0] == 0x1 ) continue;
278 /* In Variable und Argument zerlegen */
279 ptr = strchr( str, '=' );
282 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
286 var = str; ngt_TrimStr( var );
287 arg = ptr + 1; ngt_TrimStr( arg );
289 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
290 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
291 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
292 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
293 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
298 /* Wenn kein Port definiert wurde, Port 6667 als Default benutzen */
299 if( Conf_ListenPorts_Count < 1 )
301 Conf_ListenPorts_Count = 1;
302 Conf_ListenPorts[0] = 6667;
308 Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
316 assert( Var != NULL );
317 assert( Arg != NULL );
319 if( strcasecmp( Var, "Name" ) == 0 )
321 /* Der Server-Name */
322 strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
323 Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
326 if( strcasecmp( Var, "Info" ) == 0 )
328 /* Server-Info-Text */
329 strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
330 Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
333 if( strcasecmp( Var, "Password" ) == 0 )
335 /* Server-Passwort */
336 strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
337 Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
340 if( strcasecmp( Var, "AdminInfo1" ) == 0 )
342 /* Server-Info-Text */
343 strncpy( Conf_ServerAdmin1, Arg, CLIENT_INFO_LEN - 1 );
344 Conf_ServerAdmin1[CLIENT_INFO_LEN - 1] = '\0';
347 if( strcasecmp( Var, "AdminInfo2" ) == 0 )
349 /* Server-Info-Text */
350 strncpy( Conf_ServerAdmin2, Arg, CLIENT_INFO_LEN - 1 );
351 Conf_ServerAdmin2[CLIENT_INFO_LEN - 1] = '\0';
354 if( strcasecmp( Var, "AdminEMail" ) == 0 )
356 /* Server-Info-Text */
357 strncpy( Conf_ServerAdminMail, Arg, CLIENT_INFO_LEN - 1 );
358 Conf_ServerAdminMail[CLIENT_INFO_LEN - 1] = '\0';
361 if( strcasecmp( Var, "Ports" ) == 0 )
363 /* Ports, durch "," getrennt, auf denen der Server
364 * Verbindungen annehmen soll */
365 ptr = strtok( Arg, "," );
370 if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
373 if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port;
374 else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
376 ptr = strtok( NULL, "," );
380 if( strcasecmp( Var, "MotdFile" ) == 0 )
382 /* Datei mit der "message of the day" (MOTD) */
383 strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
384 Conf_MotdFile[FNAME_LEN - 1] = '\0';
387 if( strcasecmp( Var, "ServerUID" ) == 0 )
389 /* UID, mit der der Daemon laufen soll */
390 pwd = getpwnam( Arg );
391 if( pwd ) Conf_UID = pwd->pw_uid;
392 else Conf_UID = (UINT)atoi( Arg );
395 if( strcasecmp( Var, "ServerGID" ) == 0 )
397 /* GID, mit der der Daemon laufen soll */
398 grp = getgrnam( Arg );
399 if( grp ) Conf_GID = grp->gr_gid;
400 else Conf_GID = (UINT)atoi( Arg );
403 if( strcasecmp( Var, "PingTimeout" ) == 0 )
406 Conf_PingTimeout = atoi( Arg );
407 if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
410 if( strcasecmp( Var, "PongTimeout" ) == 0 )
413 Conf_PongTimeout = atoi( Arg );
414 if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
417 if( strcasecmp( Var, "ConnectRetry" ) == 0 )
419 /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
420 Conf_ConnectRetry = atoi( Arg );
421 if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
424 if( strcasecmp( Var, "OperCanUseMode" ) == 0 )
426 /* Koennen IRC-Operatoren immer MODE benutzen? */
427 if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE;
428 else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE;
429 else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE;
430 else Conf_OperCanMode = FALSE;
433 if( strcasecmp( Var, "MaxConnections" ) == 0 )
435 /* Maximale Anzahl von Verbindungen. Werte <= 0 stehen
436 * fuer "kein Limit". */
437 Conf_MaxConnections = atol( Arg );
441 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
442 } /* Handle_GLOBAL */
446 Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
449 assert( Var != NULL );
450 assert( Arg != NULL );
451 assert( Conf_Oper_Count > 0 );
453 if( strcasecmp( Var, "Name" ) == 0 )
455 /* Name des IRC Operator */
456 strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_PASS_LEN - 1 );
457 Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0';
460 if( strcasecmp( Var, "Password" ) == 0 )
462 /* Passwort des IRC Operator */
463 strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
464 Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
468 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
469 } /* Handle_OPERATOR */
473 Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
478 assert( Var != NULL );
479 assert( Arg != NULL );
481 if( strcasecmp( Var, "Host" ) == 0 )
483 /* Hostname des Servers */
484 strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
485 Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
488 if( strcasecmp( Var, "Name" ) == 0 )
490 /* Name des Servers ("Nick") */
491 strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
492 Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
495 if( strcasecmp( Var, "Password" ) == 0 )
497 /* Passwort des Servers */
498 strncpy( Conf_Server[Conf_Server_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
499 Conf_Server[Conf_Server_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
502 if( strcasecmp( Var, "Port" ) == 0 )
504 /* Port, zu dem Verbunden werden soll */
506 if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
507 else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
510 if( strcasecmp( Var, "Group" ) == 0 )
513 Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
517 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
518 } /* Handle_SERVER */
522 Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
525 assert( Var != NULL );
526 assert( Arg != NULL );
528 if( strcasecmp( Var, "Name" ) == 0 )
530 /* Hostname des Servers */
531 strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
532 Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
535 if( strcasecmp( Var, "Modes" ) == 0 )
537 /* Name des Servers ("Nick") */
538 strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
539 Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
542 if( strcasecmp( Var, "Topic" ) == 0 )
544 /* Passwort des Servers */
545 strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
546 Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
550 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
551 } /* Handle_CHANNEL */
555 Validate_Config( VOID )
557 /* Konfiguration ueberpruefen */
559 if( ! Conf_ServerName[0] )
561 /* Kein Servername konfiguriert */
562 Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
563 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
568 if( ! Conf_ServerAdminMail[0] )
570 /* Keine Server-Information konfiguriert */
571 Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile );
572 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
577 if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] )
579 /* Keine Server-Information konfiguriert */
580 Log( LOG_WARNING, "No server information configured but required by RFC!" );
582 } /* Validate_Config */
586 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
588 LOCAL VOID Config_Error( Level, Format, va_alist )
594 /* Fehler! Auf Console und/oder ins Log schreiben */
596 CHAR msg[MAX_LOG_MSG_LEN];
599 assert( Format != NULL );
601 /* String mit variablen Argumenten zusammenbauen ... */
603 va_start( ap, Format );
607 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
610 /* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
611 * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
612 * Meldungen direkt auf die Konsole ausgegeben werden: */
613 if( Use_Log ) Log( Level, "%s", msg );