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 1.40 2002/11/25 01:01:59 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. */
82 /* Wenn stdin ein ein TTY ist: auf Taste warten */
83 if( isatty( fileno( stdout )))
85 puts( "OK, press enter to see a dump of your service configuration ..." );
88 else puts( "Ok, dump of your server configuration follows:\n" );
91 printf( " ServerName = %s\n", Conf_ServerName );
92 printf( " ServerInfo = %s\n", Conf_ServerInfo );
93 printf( " ServerPwd = %s\n", Conf_ServerPwd );
94 printf( " AdminInfo1 = %s\n", Conf_ServerAdmin1 );
95 printf( " AdminInfo2 = %s\n", Conf_ServerAdmin2 );
96 printf( " AdminEMail = %s\n", Conf_ServerAdminMail );
97 printf( " MotdFile = %s\n", Conf_MotdFile );
98 printf( " Ports = " );
99 for( i = 0; i < Conf_ListenPorts_Count; i++ )
101 if( i != 0 ) printf( ", " );
102 printf( "%u", Conf_ListenPorts[i] );
105 pwd = getpwuid( Conf_UID );
106 if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name );
107 else printf( " ServerUID = %ld\n", (LONG)Conf_UID );
108 grp = getgrgid( Conf_GID );
109 if( grp ) printf( " ServerGID = %s\n", grp->gr_name );
110 else printf( " ServerGID = %ld\n", (LONG)Conf_GID );
111 printf( " PingTimeout = %d\n", Conf_PingTimeout );
112 printf( " PongTimeout = %d\n", Conf_PongTimeout );
113 printf( " ConnectRetry = %d\n", Conf_ConnectRetry );
114 printf( " OperCanUseMode = %s\n", Conf_OperCanMode == TRUE ? "yes" : "no" );
115 if( Conf_MaxConnections > 0 ) printf( " MaxConnections = %ld\n", Conf_MaxConnections );
116 else printf( " MaxConnections = -1\n" );
119 for( i = 0; i < Conf_Oper_Count; i++ )
121 if( ! Conf_Oper[i].name[0] ) continue;
123 /* gueltiger Operator-Block: ausgeben */
124 puts( "[OPERATOR]" );
125 printf( " Name = %s\n", Conf_Oper[i].name );
126 printf( " Password = %s\n", Conf_Oper[i].pwd );
130 for( i = 0; i < Conf_Server_Count; i++ )
132 if( ! Conf_Server[i].name[0] ) continue;
133 if( ! Conf_Server[i].host[0] ) continue;
135 /* gueltiger Server-Block: ausgeben */
137 printf( " Name = %s\n", Conf_Server[i].name );
138 printf( " Host = %s\n", Conf_Server[i].host );
139 printf( " Port = %d\n", Conf_Server[i].port );
140 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
141 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
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 );
214 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
217 strcpy( section, "" );
220 if( ! fgets( str, LINE_LEN, fd )) break;
224 /* Kommentarzeilen und leere Zeilen ueberspringen */
225 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
227 /* Anfang eines Abschnittes? */
228 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
230 strcpy( section, str );
231 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
232 if( strcasecmp( section, "[OPERATOR]" ) == 0 )
234 if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
237 /* neuen Operator initialisieren */
238 strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
239 strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
244 if( strcasecmp( section, "[SERVER]" ) == 0 )
246 if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
249 /* neuen Server ("Peer") initialisieren */
250 strcpy( Conf_Server[Conf_Server_Count].host, "" );
251 strcpy( Conf_Server[Conf_Server_Count].ip, "" );
252 strcpy( Conf_Server[Conf_Server_Count].name, "" );
253 strcpy( Conf_Server[Conf_Server_Count].pwd_in, "" );
254 strcpy( Conf_Server[Conf_Server_Count].pwd_out, "" );
255 Conf_Server[Conf_Server_Count].port = 0;
256 Conf_Server[Conf_Server_Count].group = -1;
257 Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
258 Conf_Server[Conf_Server_Count].res_stat = NULL;
263 if( strcasecmp( section, "[CHANNEL]" ) == 0 )
265 if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
268 /* neuen vordefinierten Channel initialisieren */
269 strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
270 strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
271 strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
272 Conf_Channel_Count++;
276 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
279 if( section[0] == 0x1 ) continue;
281 /* In Variable und Argument zerlegen */
282 ptr = strchr( str, '=' );
285 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
289 var = str; ngt_TrimStr( var );
290 arg = ptr + 1; ngt_TrimStr( arg );
292 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
293 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
294 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
295 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
296 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
301 /* Wenn kein Port definiert wurde, Port 6667 als Default benutzen */
302 if( Conf_ListenPorts_Count < 1 )
304 Conf_ListenPorts_Count = 1;
305 Conf_ListenPorts[0] = 6667;
311 Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
319 assert( Var != NULL );
320 assert( Arg != NULL );
322 if( strcasecmp( Var, "Name" ) == 0 )
324 /* Der Server-Name */
325 strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
326 Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
329 if( strcasecmp( Var, "Info" ) == 0 )
331 /* Server-Info-Text */
332 strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
333 Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
336 if( strcasecmp( Var, "Password" ) == 0 )
338 /* Server-Passwort */
339 strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
340 Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
343 if( strcasecmp( Var, "AdminInfo1" ) == 0 )
345 /* Server-Info-Text */
346 strncpy( Conf_ServerAdmin1, Arg, CLIENT_INFO_LEN - 1 );
347 Conf_ServerAdmin1[CLIENT_INFO_LEN - 1] = '\0';
350 if( strcasecmp( Var, "AdminInfo2" ) == 0 )
352 /* Server-Info-Text */
353 strncpy( Conf_ServerAdmin2, Arg, CLIENT_INFO_LEN - 1 );
354 Conf_ServerAdmin2[CLIENT_INFO_LEN - 1] = '\0';
357 if( strcasecmp( Var, "AdminEMail" ) == 0 )
359 /* Server-Info-Text */
360 strncpy( Conf_ServerAdminMail, Arg, CLIENT_INFO_LEN - 1 );
361 Conf_ServerAdminMail[CLIENT_INFO_LEN - 1] = '\0';
364 if( strcasecmp( Var, "Ports" ) == 0 )
366 /* Ports, durch "," getrennt, auf denen der Server
367 * Verbindungen annehmen soll */
368 ptr = strtok( Arg, "," );
373 if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
376 if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port;
377 else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
379 ptr = strtok( NULL, "," );
383 if( strcasecmp( Var, "MotdFile" ) == 0 )
385 /* Datei mit der "message of the day" (MOTD) */
386 strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
387 Conf_MotdFile[FNAME_LEN - 1] = '\0';
390 if( strcasecmp( Var, "ServerUID" ) == 0 )
392 /* UID, mit der der Daemon laufen soll */
393 pwd = getpwnam( Arg );
394 if( pwd ) Conf_UID = pwd->pw_uid;
395 else Conf_UID = (UINT)atoi( Arg );
398 if( strcasecmp( Var, "ServerGID" ) == 0 )
400 /* GID, mit der der Daemon laufen soll */
401 grp = getgrnam( Arg );
402 if( grp ) Conf_GID = grp->gr_gid;
403 else Conf_GID = (UINT)atoi( Arg );
406 if( strcasecmp( Var, "PingTimeout" ) == 0 )
409 Conf_PingTimeout = atoi( Arg );
410 if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
413 if( strcasecmp( Var, "PongTimeout" ) == 0 )
416 Conf_PongTimeout = atoi( Arg );
417 if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
420 if( strcasecmp( Var, "ConnectRetry" ) == 0 )
422 /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
423 Conf_ConnectRetry = atoi( Arg );
424 if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
427 if( strcasecmp( Var, "OperCanUseMode" ) == 0 )
429 /* Koennen IRC-Operatoren immer MODE benutzen? */
430 if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE;
431 else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE;
432 else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE;
433 else Conf_OperCanMode = FALSE;
436 if( strcasecmp( Var, "MaxConnections" ) == 0 )
438 /* Maximale Anzahl von Verbindungen. Werte <= 0 stehen
439 * fuer "kein Limit". */
440 Conf_MaxConnections = atol( Arg );
444 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
445 } /* Handle_GLOBAL */
449 Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
452 assert( Var != NULL );
453 assert( Arg != NULL );
454 assert( Conf_Oper_Count > 0 );
456 if( strcasecmp( Var, "Name" ) == 0 )
458 /* Name des IRC Operator */
459 strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_PASS_LEN - 1 );
460 Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0';
463 if( strcasecmp( Var, "Password" ) == 0 )
465 /* Passwort des IRC Operator */
466 strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
467 Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
471 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
472 } /* Handle_OPERATOR */
476 Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
481 assert( Var != NULL );
482 assert( Arg != NULL );
484 if( strcasecmp( Var, "Host" ) == 0 )
486 /* Hostname des Servers */
487 strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
488 Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
491 if( strcasecmp( Var, "Name" ) == 0 )
493 /* Name des Servers ("Nick") */
494 strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
495 Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
498 if( strcasecmp( Var, "MyPassword" ) == 0 )
500 /* Passwort dieses Servers, welches empfangen werden muss */
501 strncpy( Conf_Server[Conf_Server_Count - 1].pwd_in, Arg, CLIENT_PASS_LEN - 1 );
502 Conf_Server[Conf_Server_Count - 1].pwd_in[CLIENT_PASS_LEN - 1] = '\0';
505 if( strcasecmp( Var, "PeerPassword" ) == 0 )
507 /* Passwort des anderen Servers, welches gesendet werden muss */
508 strncpy( Conf_Server[Conf_Server_Count - 1].pwd_out, Arg, CLIENT_PASS_LEN - 1 );
509 Conf_Server[Conf_Server_Count - 1].pwd_out[CLIENT_PASS_LEN - 1] = '\0';
512 if( strcasecmp( Var, "Port" ) == 0 )
514 /* Port, zu dem Verbunden werden soll */
516 if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
517 else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
520 if( strcasecmp( Var, "Group" ) == 0 )
523 Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
527 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
528 } /* Handle_SERVER */
532 Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
535 assert( Var != NULL );
536 assert( Arg != NULL );
538 if( strcasecmp( Var, "Name" ) == 0 )
540 /* Hostname des Servers */
541 strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
542 Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
545 if( strcasecmp( Var, "Modes" ) == 0 )
547 /* Name des Servers ("Nick") */
548 strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
549 Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
552 if( strcasecmp( Var, "Topic" ) == 0 )
554 /* Passwort des Servers */
555 strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
556 Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
560 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
561 } /* Handle_CHANNEL */
565 Validate_Config( VOID )
567 /* Konfiguration ueberpruefen */
569 if( ! Conf_ServerName[0] )
571 /* Kein Servername konfiguriert */
572 Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
573 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
578 if( ! Conf_ServerAdminMail[0] )
580 /* Keine Server-Information konfiguriert */
581 Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile );
582 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
587 if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] )
589 /* Keine Server-Information konfiguriert */
590 Log( LOG_WARNING, "No administrative information configured but required by RFC!" );
592 } /* Validate_Config */
596 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
598 LOCAL VOID Config_Error( Level, Format, va_alist )
604 /* Fehler! Auf Console und/oder ins Log schreiben */
606 CHAR msg[MAX_LOG_MSG_LEN];
609 assert( Format != NULL );
611 /* String mit variablen Argumenten zusammenbauen ... */
613 va_start( ap, Format );
617 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
620 /* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
621 * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
622 * Meldungen direkt auf die Konsole ausgegeben werden: */
623 if( Use_Log ) Log( Level, "%s", msg );