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 1.39 2002/11/22 17:57:40 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" );
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( " MyPassword = %s\n", Conf_Server[i].pwd_in );
142 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
143 printf( " Group = %d\n", Conf_Server[i].group );
147 for( i = 0; i < Conf_Channel_Count; i++ )
149 if( ! Conf_Channel[i].name[0] ) continue;
151 /* gueltiger Channel-Block: ausgeben */
153 printf( " Name = %s\n", Conf_Channel[i].name );
154 printf( " Modes = %s\n", Conf_Channel[i].modes );
155 printf( " Topic = %s\n", Conf_Channel[i].topic );
166 /* Konfigurationsvariablen initialisieren, d.h. auf Default-Werte setzen. */
168 strcpy( Conf_ServerName, "" );
169 sprintf( Conf_ServerInfo, "%s %s", PACKAGE, VERSION );
170 strcpy( Conf_ServerPwd, "" );
172 strcpy( Conf_ServerAdmin1, "" );
173 strcpy( Conf_ServerAdmin2, "" );
174 strcpy( Conf_ServerAdminMail, "" );
176 strcpy( Conf_MotdFile, MOTD_FILE );
178 Conf_ListenPorts_Count = 0;
180 Conf_UID = Conf_GID = 0;
182 Conf_PingTimeout = 120;
183 Conf_PongTimeout = 20;
185 Conf_ConnectRetry = 60;
188 Conf_Server_Count = 0;
189 Conf_Channel_Count = 0;
191 Conf_OperCanMode = FALSE;
193 Conf_MaxConnections = 0;
200 /* Konfigurationsdatei einlesen. */
202 CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
206 fd = fopen( NGIRCd_ConfFile, "r" );
209 /* Keine Konfigurationsdatei gefunden */
210 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", NGIRCd_ConfFile, strerror( errno ));
211 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
215 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
218 strcpy( section, "" );
221 if( ! fgets( str, LINE_LEN, fd )) break;
225 /* Kommentarzeilen und leere Zeilen ueberspringen */
226 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
228 /* Anfang eines Abschnittes? */
229 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
231 strcpy( section, str );
232 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
233 if( strcasecmp( section, "[OPERATOR]" ) == 0 )
235 if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
238 /* neuen Operator initialisieren */
239 strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
240 strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
245 if( strcasecmp( section, "[SERVER]" ) == 0 )
247 if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
250 /* neuen Server ("Peer") initialisieren */
251 strcpy( Conf_Server[Conf_Server_Count].host, "" );
252 strcpy( Conf_Server[Conf_Server_Count].ip, "" );
253 strcpy( Conf_Server[Conf_Server_Count].name, "" );
254 strcpy( Conf_Server[Conf_Server_Count].pwd_in, "" );
255 strcpy( Conf_Server[Conf_Server_Count].pwd_out, "" );
256 Conf_Server[Conf_Server_Count].port = 0;
257 Conf_Server[Conf_Server_Count].group = -1;
258 Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
259 Conf_Server[Conf_Server_Count].res_stat = NULL;
264 if( strcasecmp( section, "[CHANNEL]" ) == 0 )
266 if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
269 /* neuen vordefinierten Channel initialisieren */
270 strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
271 strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
272 strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
273 Conf_Channel_Count++;
277 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
280 if( section[0] == 0x1 ) continue;
282 /* In Variable und Argument zerlegen */
283 ptr = strchr( str, '=' );
286 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
290 var = str; ngt_TrimStr( var );
291 arg = ptr + 1; ngt_TrimStr( arg );
293 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
294 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
295 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
296 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
297 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
302 /* Wenn kein Port definiert wurde, Port 6667 als Default benutzen */
303 if( Conf_ListenPorts_Count < 1 )
305 Conf_ListenPorts_Count = 1;
306 Conf_ListenPorts[0] = 6667;
312 Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
320 assert( Var != NULL );
321 assert( Arg != NULL );
323 if( strcasecmp( Var, "Name" ) == 0 )
325 /* Der Server-Name */
326 strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
327 Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
330 if( strcasecmp( Var, "Info" ) == 0 )
332 /* Server-Info-Text */
333 strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
334 Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
337 if( strcasecmp( Var, "Password" ) == 0 )
339 /* Server-Passwort */
340 strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
341 Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
344 if( strcasecmp( Var, "AdminInfo1" ) == 0 )
346 /* Server-Info-Text */
347 strncpy( Conf_ServerAdmin1, Arg, CLIENT_INFO_LEN - 1 );
348 Conf_ServerAdmin1[CLIENT_INFO_LEN - 1] = '\0';
351 if( strcasecmp( Var, "AdminInfo2" ) == 0 )
353 /* Server-Info-Text */
354 strncpy( Conf_ServerAdmin2, Arg, CLIENT_INFO_LEN - 1 );
355 Conf_ServerAdmin2[CLIENT_INFO_LEN - 1] = '\0';
358 if( strcasecmp( Var, "AdminEMail" ) == 0 )
360 /* Server-Info-Text */
361 strncpy( Conf_ServerAdminMail, Arg, CLIENT_INFO_LEN - 1 );
362 Conf_ServerAdminMail[CLIENT_INFO_LEN - 1] = '\0';
365 if( strcasecmp( Var, "Ports" ) == 0 )
367 /* Ports, durch "," getrennt, auf denen der Server
368 * Verbindungen annehmen soll */
369 ptr = strtok( Arg, "," );
374 if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
377 if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port;
378 else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
380 ptr = strtok( NULL, "," );
384 if( strcasecmp( Var, "MotdFile" ) == 0 )
386 /* Datei mit der "message of the day" (MOTD) */
387 strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
388 Conf_MotdFile[FNAME_LEN - 1] = '\0';
391 if( strcasecmp( Var, "ServerUID" ) == 0 )
393 /* UID, mit der der Daemon laufen soll */
394 pwd = getpwnam( Arg );
395 if( pwd ) Conf_UID = pwd->pw_uid;
396 else Conf_UID = (UINT)atoi( Arg );
399 if( strcasecmp( Var, "ServerGID" ) == 0 )
401 /* GID, mit der der Daemon laufen soll */
402 grp = getgrnam( Arg );
403 if( grp ) Conf_GID = grp->gr_gid;
404 else Conf_GID = (UINT)atoi( Arg );
407 if( strcasecmp( Var, "PingTimeout" ) == 0 )
410 Conf_PingTimeout = atoi( Arg );
411 if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
414 if( strcasecmp( Var, "PongTimeout" ) == 0 )
417 Conf_PongTimeout = atoi( Arg );
418 if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
421 if( strcasecmp( Var, "ConnectRetry" ) == 0 )
423 /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
424 Conf_ConnectRetry = atoi( Arg );
425 if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
428 if( strcasecmp( Var, "OperCanUseMode" ) == 0 )
430 /* Koennen IRC-Operatoren immer MODE benutzen? */
431 if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE;
432 else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE;
433 else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE;
434 else Conf_OperCanMode = FALSE;
437 if( strcasecmp( Var, "MaxConnections" ) == 0 )
439 /* Maximale Anzahl von Verbindungen. Werte <= 0 stehen
440 * fuer "kein Limit". */
441 Conf_MaxConnections = atol( Arg );
445 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
446 } /* Handle_GLOBAL */
450 Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
453 assert( Var != NULL );
454 assert( Arg != NULL );
455 assert( Conf_Oper_Count > 0 );
457 if( strcasecmp( Var, "Name" ) == 0 )
459 /* Name des IRC Operator */
460 strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_PASS_LEN - 1 );
461 Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0';
464 if( strcasecmp( Var, "Password" ) == 0 )
466 /* Passwort des IRC Operator */
467 strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
468 Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
472 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
473 } /* Handle_OPERATOR */
477 Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
482 assert( Var != NULL );
483 assert( Arg != NULL );
485 if( strcasecmp( Var, "Host" ) == 0 )
487 /* Hostname des Servers */
488 strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
489 Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
492 if( strcasecmp( Var, "Name" ) == 0 )
494 /* Name des Servers ("Nick") */
495 strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
496 Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
499 if( strcasecmp( Var, "MyPassword" ) == 0 )
501 /* Passwort dieses Servers, welches empfangen werden muss */
502 strncpy( Conf_Server[Conf_Server_Count - 1].pwd_in, Arg, CLIENT_PASS_LEN - 1 );
503 Conf_Server[Conf_Server_Count - 1].pwd_in[CLIENT_PASS_LEN - 1] = '\0';
506 if( strcasecmp( Var, "PeerPassword" ) == 0 )
508 /* Passwort des anderen Servers, welches gesendet werden muss */
509 strncpy( Conf_Server[Conf_Server_Count - 1].pwd_out, Arg, CLIENT_PASS_LEN - 1 );
510 Conf_Server[Conf_Server_Count - 1].pwd_out[CLIENT_PASS_LEN - 1] = '\0';
513 if( strcasecmp( Var, "Port" ) == 0 )
515 /* Port, zu dem Verbunden werden soll */
517 if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
518 else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
521 if( strcasecmp( Var, "Group" ) == 0 )
524 Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
528 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
529 } /* Handle_SERVER */
533 Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
536 assert( Var != NULL );
537 assert( Arg != NULL );
539 if( strcasecmp( Var, "Name" ) == 0 )
541 /* Hostname des Servers */
542 strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
543 Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
546 if( strcasecmp( Var, "Modes" ) == 0 )
548 /* Name des Servers ("Nick") */
549 strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
550 Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
553 if( strcasecmp( Var, "Topic" ) == 0 )
555 /* Passwort des Servers */
556 strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
557 Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
561 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
562 } /* Handle_CHANNEL */
566 Validate_Config( VOID )
568 /* Konfiguration ueberpruefen */
570 if( ! Conf_ServerName[0] )
572 /* Kein Servername konfiguriert */
573 Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
574 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
579 if( ! Conf_ServerAdminMail[0] )
581 /* Keine Server-Information konfiguriert */
582 Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile );
583 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
588 if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] )
590 /* Keine Server-Information konfiguriert */
591 Log( LOG_WARNING, "No administrative information configured but required by RFC!" );
593 } /* Validate_Config */
597 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
599 LOCAL VOID Config_Error( Level, Format, va_alist )
605 /* Fehler! Auf Console und/oder ins Log schreiben */
607 CHAR msg[MAX_LOG_MSG_LEN];
610 assert( Format != NULL );
612 /* String mit variablen Argumenten zusammenbauen ... */
614 va_start( ap, Format );
618 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
621 /* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
622 * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
623 * Meldungen direkt auf die Konsole ausgegeben werden: */
624 if( Use_Log ) Log( Level, "%s", msg );