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 1.29.2.5 2002/11/24 15:25:25 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( " Ports = " );
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" );
118 for( i = 0; i < Conf_Oper_Count; i++ )
120 if( ! Conf_Oper[i].name[0] ) continue;
122 /* gueltiger Operator-Block: ausgeben */
123 puts( "[OPERATOR]" );
124 printf( " Name = %s\n", Conf_Oper[i].name );
125 printf( " Password = %s\n", Conf_Oper[i].pwd );
129 for( i = 0; i < Conf_Server_Count; i++ )
131 if( ! Conf_Server[i].name[0] ) continue;
132 if( ! Conf_Server[i].host[0] ) continue;
134 /* gueltiger Server-Block: ausgeben */
136 printf( " Name = %s\n", Conf_Server[i].name );
137 printf( " Host = %s\n", Conf_Server[i].host );
138 printf( " Port = %d\n", Conf_Server[i].port );
139 printf( " Password = %s\n", Conf_Server[i].pwd );
140 printf( " Group = %d\n", Conf_Server[i].group );
144 for( i = 0; i < Conf_Channel_Count; i++ )
146 if( ! Conf_Channel[i].name[0] ) continue;
148 /* gueltiger Channel-Block: ausgeben */
150 printf( " Name = %s\n", Conf_Channel[i].name );
151 printf( " Modes = %s\n", Conf_Channel[i].modes );
152 printf( " Topic = %s\n", Conf_Channel[i].topic );
163 /* Konfigurationsvariablen initialisieren, d.h. auf Default-Werte setzen. */
165 strcpy( Conf_ServerName, "" );
166 sprintf( Conf_ServerInfo, "%s %s", PACKAGE, VERSION );
167 strcpy( Conf_ServerPwd, "" );
169 strcpy( Conf_ServerAdmin1, "" );
170 strcpy( Conf_ServerAdmin2, "" );
171 strcpy( Conf_ServerAdminMail, "" );
173 strcpy( Conf_MotdFile, MOTD_FILE );
175 Conf_ListenPorts_Count = 0;
177 Conf_UID = Conf_GID = 0;
179 Conf_PingTimeout = 120;
180 Conf_PongTimeout = 20;
182 Conf_ConnectRetry = 60;
185 Conf_Server_Count = 0;
186 Conf_Channel_Count = 0;
188 Conf_OperCanMode = FALSE;
195 /* Konfigurationsdatei einlesen. */
197 CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
201 fd = fopen( NGIRCd_ConfFile, "r" );
204 /* Keine Konfigurationsdatei gefunden */
205 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", NGIRCd_ConfFile, strerror( errno ));
206 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
211 strcpy( section, "" );
214 if( ! fgets( str, LINE_LEN, fd )) break;
218 /* Kommentarzeilen und leere Zeilen ueberspringen */
219 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
221 /* Anfang eines Abschnittes? */
222 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
224 strcpy( section, str );
225 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
226 if( strcasecmp( section, "[OPERATOR]" ) == 0 )
228 if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
231 /* neuen Operator initialisieren */
232 strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
233 strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
238 if( strcasecmp( section, "[SERVER]" ) == 0 )
240 if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
243 /* neuen Server ("Peer") initialisieren */
244 strcpy( Conf_Server[Conf_Server_Count].host, "" );
245 strcpy( Conf_Server[Conf_Server_Count].ip, "" );
246 strcpy( Conf_Server[Conf_Server_Count].name, "" );
247 strcpy( Conf_Server[Conf_Server_Count].pwd, "" );
248 Conf_Server[Conf_Server_Count].port = 0;
249 Conf_Server[Conf_Server_Count].group = -1;
250 Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
251 Conf_Server[Conf_Server_Count].res_stat = NULL;
256 if( strcasecmp( section, "[CHANNEL]" ) == 0 )
258 if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
261 /* neuen vordefinierten Channel initialisieren */
262 strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
263 strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
264 strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
265 Conf_Channel_Count++;
269 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
272 if( section[0] == 0x1 ) continue;
274 /* In Variable und Argument zerlegen */
275 ptr = strchr( str, '=' );
278 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
282 var = str; ngt_TrimStr( var );
283 arg = ptr + 1; ngt_TrimStr( arg );
285 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
286 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
287 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
288 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
289 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
294 /* Wenn kein Port definiert wurde, Port 6667 als Default benutzen */
295 if( Conf_ListenPorts_Count < 1 )
297 Conf_ListenPorts_Count = 1;
298 Conf_ListenPorts[0] = 6667;
304 Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
312 assert( Var != NULL );
313 assert( Arg != NULL );
315 if( strcasecmp( Var, "Name" ) == 0 )
317 /* Der Server-Name */
318 strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
319 Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
322 if( strcasecmp( Var, "Info" ) == 0 )
324 /* Server-Info-Text */
325 strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
326 Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
329 if( strcasecmp( Var, "Password" ) == 0 )
331 /* Server-Passwort */
332 strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
333 Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
336 if( strcasecmp( Var, "AdminInfo1" ) == 0 )
338 /* Server-Info-Text */
339 strncpy( Conf_ServerAdmin1, Arg, CLIENT_INFO_LEN - 1 );
340 Conf_ServerAdmin1[CLIENT_INFO_LEN - 1] = '\0';
343 if( strcasecmp( Var, "AdminInfo2" ) == 0 )
345 /* Server-Info-Text */
346 strncpy( Conf_ServerAdmin2, Arg, CLIENT_INFO_LEN - 1 );
347 Conf_ServerAdmin2[CLIENT_INFO_LEN - 1] = '\0';
350 if( strcasecmp( Var, "AdminEMail" ) == 0 )
352 /* Server-Info-Text */
353 strncpy( Conf_ServerAdminMail, Arg, CLIENT_INFO_LEN - 1 );
354 Conf_ServerAdminMail[CLIENT_INFO_LEN - 1] = '\0';
357 if( strcasecmp( Var, "Ports" ) == 0 )
359 /* Ports, durch "," getrennt, auf denen der Server
360 * Verbindungen annehmen soll */
361 ptr = strtok( Arg, "," );
366 if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
369 if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port;
370 else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
372 ptr = strtok( NULL, "," );
376 if( strcasecmp( Var, "MotdFile" ) == 0 )
378 /* Datei mit der "message of the day" (MOTD) */
379 strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
380 Conf_MotdFile[FNAME_LEN - 1] = '\0';
383 if( strcasecmp( Var, "ServerUID" ) == 0 )
385 /* UID, mit der der Daemon laufen soll */
386 pwd = getpwnam( Arg );
387 if( pwd ) Conf_UID = pwd->pw_uid;
388 else Conf_UID = (UINT)atoi( Arg );
391 if( strcasecmp( Var, "ServerGID" ) == 0 )
393 /* GID, mit der der Daemon laufen soll */
394 grp = getgrnam( Arg );
395 if( grp ) Conf_GID = grp->gr_gid;
396 else Conf_GID = (UINT)atoi( Arg );
399 if( strcasecmp( Var, "PingTimeout" ) == 0 )
402 Conf_PingTimeout = atoi( Arg );
403 if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
406 if( strcasecmp( Var, "PongTimeout" ) == 0 )
409 Conf_PongTimeout = atoi( Arg );
410 if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
413 if( strcasecmp( Var, "ConnectRetry" ) == 0 )
415 /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
416 Conf_ConnectRetry = atoi( Arg );
417 if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
420 if( strcasecmp( Var, "OperCanUseMode" ) == 0 )
422 /* Koennen IRC-Operatoren immer MODE benutzen? */
423 if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE;
424 else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE;
425 else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE;
426 else Conf_OperCanMode = FALSE;
430 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
431 } /* Handle_GLOBAL */
435 Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
438 assert( Var != NULL );
439 assert( Arg != NULL );
440 assert( Conf_Oper_Count > 0 );
442 if( strcasecmp( Var, "Name" ) == 0 )
444 /* Name des IRC Operator */
445 strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_PASS_LEN - 1 );
446 Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0';
449 if( strcasecmp( Var, "Password" ) == 0 )
451 /* Passwort des IRC Operator */
452 strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
453 Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
457 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
458 } /* Handle_OPERATOR */
462 Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
467 assert( Var != NULL );
468 assert( Arg != NULL );
470 if( strcasecmp( Var, "Host" ) == 0 )
472 /* Hostname des Servers */
473 strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
474 Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
477 if( strcasecmp( Var, "Name" ) == 0 )
479 /* Name des Servers ("Nick") */
480 strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
481 Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
484 if( strcasecmp( Var, "Password" ) == 0 )
486 /* Passwort des Servers */
487 strncpy( Conf_Server[Conf_Server_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
488 Conf_Server[Conf_Server_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
491 if( strcasecmp( Var, "Port" ) == 0 )
493 /* Port, zu dem Verbunden werden soll */
495 if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
496 else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
499 if( strcasecmp( Var, "Group" ) == 0 )
502 Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
506 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
507 } /* Handle_SERVER */
511 Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
514 assert( Var != NULL );
515 assert( Arg != NULL );
517 if( strcasecmp( Var, "Name" ) == 0 )
519 /* Hostname des Servers */
520 strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
521 Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
524 if( strcasecmp( Var, "Modes" ) == 0 )
526 /* Name des Servers ("Nick") */
527 strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
528 Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
531 if( strcasecmp( Var, "Topic" ) == 0 )
533 /* Passwort des Servers */
534 strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
535 Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
539 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
540 } /* Handle_CHANNEL */
544 Validate_Config( VOID )
546 /* Konfiguration ueberpruefen */
548 if( ! Conf_ServerName[0] )
550 /* Kein Servername konfiguriert */
551 Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
552 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
557 if( ! Conf_ServerAdminMail[0] )
559 /* Keine Server-Information konfiguriert */
560 Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile );
561 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
566 if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] )
568 /* Keine Server-Information konfiguriert */
569 Log( LOG_WARNING, "No server information configured but required by RFC!" );
571 } /* Validate_Config */
575 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
577 LOCAL VOID Config_Error( Level, Format, va_alist )
583 /* Fehler! Auf Console und/oder ins Log schreiben */
585 CHAR msg[MAX_LOG_MSG_LEN];
588 assert( Format != NULL );
590 /* String mit variablen Argumenten zusammenbauen ... */
592 va_start( ap, Format );
596 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
599 /* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
600 * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
601 * Meldungen direkt auf die Konsole ausgegeben werden: */
602 if( Use_Log ) Log( Level, "%s", msg );