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Date:: Tue Nov 19 12:50:20 2002 UTC
Message:: - Server identifizieren sich nun mit asyncronen Passwoertern.
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1 /*
2  * ngIRCd -- The Next Generation IRC Daemon
3  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
4  *
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.
11  *
12  * $Id: conf.c,v 1.38 2002/11/19 12:50:20 alex Exp $
13  *
14  * conf.h: Konfiguration des ngircd
15  */
16 
17 
18 #include "portab.h"
19 
20 #include "imp.h"
21 #include <assert.h>
22 #include <errno.h>
23 #include <stdarg.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28 #include <pwd.h>
29 #include <grp.h>
30 #include <sys/types.h>
31 
32 #include "ngircd.h"
33 #include "conn.h"
34 #include "client.h"
35 #include "defines.h"
36 #include "log.h"
37 #include "resolve.h"
38 #include "tool.h"
39 
40 #include "exp.h"
41 #include "conf.h"
42 
43 
44 LOCAL BOOLEAN Use_Log = TRUE;
45 
46 
47 LOCAL VOID Set_Defaults PARAMS(( VOID ));
48 LOCAL VOID Read_Config PARAMS(( VOID ));
49 LOCAL VOID Validate_Config PARAMS(( VOID ));
50 
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 ));
55 
56 LOCAL VOID Config_Error PARAMS(( CONST INT Level, CONST CHAR *Format, ... ));
57 
58 
59 GLOBAL VOID
60 Conf_Init( VOID )
61 {
62 	Set_Defaults( );
63 	Read_Config( );
64 	Validate_Config( );
65 } /* Config_Init */
66 
67 
68 GLOBAL INT
69 Conf_Test( VOID )
70 {
71 	/* Konfiguration einlesen, ueberpruefen und ausgeben. */
72 
73 	struct passwd *pwd;
74 	struct group *grp;
75 	INT i;
76 
77 	Use_Log = FALSE;
78 	Set_Defaults( );
79 
80 	printf( "Using \"%s\" as configuration file ...\n", NGIRCd_ConfFile );
81 	Read_Config( );
82 
83 	/* Wenn stdin ein ein TTY ist: auf Taste warten */
84 	if( isatty( fileno( stdout )))
85 	{
86 		puts( "OK, press enter to see a dump of your service configuration ..." );
87 		getchar( );
88 	}
89 	else puts( "Ok, dump of your server configuration follows:\n" );
90 
91 	puts( "[GLOBAL]" );
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++ )
101 	{
102 		if( i != 0 ) printf( ", " );
103 		printf( "%u", Conf_ListenPorts[i] );
104 	}
105 	puts( "" );
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" );
118 	puts( "" );
119 
120 	for( i = 0; i < Conf_Oper_Count; i++ )
121 	{
122 		if( ! Conf_Oper[i].name[0] ) continue;
123 		
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 );
128 		puts( "" );
129 	}
130 
131 	for( i = 0; i < Conf_Server_Count; i++ )
132 	{
133 		if( ! Conf_Server[i].name[0] ) continue;
134 		if( ! Conf_Server[i].host[0] ) continue;
135 		
136 		/* gueltiger Server-Block: ausgeben */
137 		puts( "[SERVER]" );
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 );
144 		puts( "" );
145 	}
146 
147 	for( i = 0; i < Conf_Channel_Count; i++ )
148 	{
149 		if( ! Conf_Channel[i].name[0] ) continue;
150 		
151 		/* gueltiger Channel-Block: ausgeben */
152 		puts( "[CHANNEL]" );
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 );
156 		puts( "" );
157 	}
158 	
159 	return 0;
160 } /* Conf_Test */
161 
162 
163 LOCAL VOID
164 Set_Defaults( VOID )
165 {
166 	/* Konfigurationsvariablen initialisieren, d.h. auf Default-Werte setzen. */
167 
168 	strcpy( Conf_ServerName, "" );
169 	sprintf( Conf_ServerInfo, "%s %s", PACKAGE, VERSION );
170 	strcpy( Conf_ServerPwd, "" );
171 
172 	strcpy( Conf_ServerAdmin1, "" );
173 	strcpy( Conf_ServerAdmin2, "" );
174 	strcpy( Conf_ServerAdminMail, "" );
175 
176 	strcpy( Conf_MotdFile, MOTD_FILE );
177 
178 	Conf_ListenPorts_Count = 0;
179 
180 	Conf_UID = Conf_GID = 0;
181 	
182 	Conf_PingTimeout = 120;
183 	Conf_PongTimeout = 20;
184 
185 	Conf_ConnectRetry = 60;
186 
187 	Conf_Oper_Count = 0;
188 	Conf_Server_Count = 0;
189 	Conf_Channel_Count = 0;
190 
191 	Conf_OperCanMode = FALSE;
192 	
193 	Conf_MaxConnections = 0;
194 } /* Set_Defaults */
195 
196 
197 LOCAL VOID
198 Read_Config( VOID )
199 {
200 	/* Konfigurationsdatei einlesen. */
201 
202 	CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
203 	INT line;
204 	FILE *fd;
205 
206 	fd = fopen( NGIRCd_ConfFile, "r" );
207 	if( ! fd )
208 	{
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 );
212 		exit( 1 );
213 	}
214 
215 	line = 0;
216 	strcpy( section, "" );
217 	while( TRUE )
218 	{
219 		if( ! fgets( str, LINE_LEN, fd )) break;
220 		ngt_TrimStr( str );
221 		line++;
222 
223 		/* Kommentarzeilen und leere Zeilen ueberspringen */
224 		if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
225 
226 		/* Anfang eines Abschnittes? */
227 		if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
228 		{
229 			strcpy( section, str );
230 			if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
231 			if( strcasecmp( section, "[OPERATOR]" ) == 0 )
232 			{
233 				if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
234 				else
235 				{
236 					/* neuen Operator initialisieren */
237 					strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
238 					strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
239 					Conf_Oper_Count++;
240 				}
241 				continue;
242 			}
243 			if( strcasecmp( section, "[SERVER]" ) == 0 )
244 			{
245 				if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
246 				else
247 				{
248 					/* neuen Server ("Peer") initialisieren */
249 					strcpy( Conf_Server[Conf_Server_Count].host, "" );
250 					strcpy( Conf_Server[Conf_Server_Count].ip, "" );
251 					strcpy( Conf_Server[Conf_Server_Count].name, "" );
252 					strcpy( Conf_Server[Conf_Server_Count].pwd_in, "" );
253 					strcpy( Conf_Server[Conf_Server_Count].pwd_out, "" );
254 					Conf_Server[Conf_Server_Count].port = 0;
255 					Conf_Server[Conf_Server_Count].group = -1;
256 					Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
257 					Conf_Server[Conf_Server_Count].res_stat = NULL;
258 					Conf_Server_Count++;
259 				}
260 				continue;
261 			}
262 			if( strcasecmp( section, "[CHANNEL]" ) == 0 )
263 			{
264 				if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
265 				else
266 				{
267 					/* neuen vordefinierten Channel initialisieren */
268 					strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
269 					strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
270 					strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
271 					Conf_Channel_Count++;
272 				}
273 				continue;
274 			}
275 			Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
276 			section[0] = 0x1;
277 		}
278 		if( section[0] == 0x1 ) continue;
279 
280 		/* In Variable und Argument zerlegen */
281 		ptr = strchr( str, '=' );
282 		if( ! ptr )
283 		{
284 			Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
285 			continue;
286 		}
287 		*ptr = '\0';
288 		var = str; ngt_TrimStr( var );
289 		arg = ptr + 1; ngt_TrimStr( arg );
290 
291 		if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
292 		else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
293 		else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
294 		else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
295 		else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
296 	}
297 	
298 	fclose( fd );
299 	
300 	/* Wenn kein Port definiert wurde, Port 6667 als Default benutzen */
301 	if( Conf_ListenPorts_Count < 1 )
302 	{
303 		Conf_ListenPorts_Count = 1;
304 		Conf_ListenPorts[0] = 6667;
305 	}
306 } /* Read_Config */
307 
308 
309 LOCAL VOID
310 Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
311 {
312 	struct passwd *pwd;
313 	struct group *grp;
314 	CHAR *ptr;
315 	LONG port;
316 	
317 	assert( Line > 0 );
318 	assert( Var != NULL );
319 	assert( Arg != NULL );
320 	
321 	if( strcasecmp( Var, "Name" ) == 0 )
322 	{
323 		/* Der Server-Name */
324 		strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
325 		Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
326 		return;
327 	}
328 	if( strcasecmp( Var, "Info" ) == 0 )
329 	{
330 		/* Server-Info-Text */
331 		strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
332 		Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
333 		return;
334 	}
335 	if( strcasecmp( Var, "Password" ) == 0 )
336 	{
337 		/* Server-Passwort */
338 		strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
339 		Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
340 		return;
341 	}
342 	if( strcasecmp( Var, "AdminInfo1" ) == 0 )
343 	{
344 		/* Server-Info-Text */
345 		strncpy( Conf_ServerAdmin1, Arg, CLIENT_INFO_LEN - 1 );
346 		Conf_ServerAdmin1[CLIENT_INFO_LEN - 1] = '\0';
347 		return;
348 	}
349 	if( strcasecmp( Var, "AdminInfo2" ) == 0 )
350 	{
351 		/* Server-Info-Text */
352 		strncpy( Conf_ServerAdmin2, Arg, CLIENT_INFO_LEN - 1 );
353 		Conf_ServerAdmin2[CLIENT_INFO_LEN - 1] = '\0';
354 		return;
355 	}
356 	if( strcasecmp( Var, "AdminEMail" ) == 0 )
357 	{
358 		/* Server-Info-Text */
359 		strncpy( Conf_ServerAdminMail, Arg, CLIENT_INFO_LEN - 1 );
360 		Conf_ServerAdminMail[CLIENT_INFO_LEN - 1] = '\0';
361 		return;
362 	}
363 	if( strcasecmp( Var, "Ports" ) == 0 )
364 	{
365 		/* Ports, durch "," getrennt, auf denen der Server
366 		* Verbindungen annehmen soll */
367 		ptr = strtok( Arg, "," );
368 		while( ptr )
369 		{
370 			ngt_TrimStr( ptr );
371 			port = atol( ptr );
372 			if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
373 			else
374 			{
375 				if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port;
376 				else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
377 			}
378 			ptr = strtok( NULL, "," );
379 		}
380 		return;
381 	}
382 	if( strcasecmp( Var, "MotdFile" ) == 0 )
383 	{
384 		/* Datei mit der "message of the day" (MOTD) */
385 		strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
386 		Conf_MotdFile[FNAME_LEN - 1] = '\0';
387 		return;
388 	}
389 	if( strcasecmp( Var, "ServerUID" ) == 0 )
390 	{
391 		/* UID, mit der der Daemon laufen soll */
392 		pwd = getpwnam( Arg );
393 		if( pwd ) Conf_UID = pwd->pw_uid;
394 		else Conf_UID = (UINT)atoi( Arg );
395 		return;
396 	}
397 	if( strcasecmp( Var, "ServerGID" ) == 0 )
398 	{
399 		/* GID, mit der der Daemon laufen soll */
400 		grp = getgrnam( Arg );
401 		if( grp ) Conf_GID = grp->gr_gid;
402 		else Conf_GID = (UINT)atoi( Arg );
403 		return;
404 	}
405 	if( strcasecmp( Var, "PingTimeout" ) == 0 )
406 	{
407 		/* PING-Timeout */
408 		Conf_PingTimeout = atoi( Arg );
409 		if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
410 		return;
411 	}
412 	if( strcasecmp( Var, "PongTimeout" ) == 0 )
413 	{
414 		/* PONG-Timeout */
415 		Conf_PongTimeout = atoi( Arg );
416 		if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
417 		return;
418 	}
419 	if( strcasecmp( Var, "ConnectRetry" ) == 0 )
420 	{
421 		/* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
422 		Conf_ConnectRetry = atoi( Arg );
423 		if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
424 		return;
425 	}
426 	if( strcasecmp( Var, "OperCanUseMode" ) == 0 )
427 	{
428 		/* Koennen IRC-Operatoren immer MODE benutzen? */
429 		if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE;
430 		else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE;
431 		else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE;
432 		else Conf_OperCanMode = FALSE;
433 		return;
434 	}
435 	if( strcasecmp( Var, "MaxConnections" ) == 0 )
436 	{
437 		/* Maximale Anzahl von Verbindungen. Werte <= 0 stehen
438 		 * fuer "kein Limit". */
439 		Conf_MaxConnections = atol( Arg );
440 		return;
441 	}
442 		
443 	Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
444 } /* Handle_GLOBAL */
445 
446 
447 LOCAL VOID
448 Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
449 {
450 	assert( Line > 0 );
451 	assert( Var != NULL );
452 	assert( Arg != NULL );
453 	assert( Conf_Oper_Count > 0 );
454 
455 	if( strcasecmp( Var, "Name" ) == 0 )
456 	{
457 		/* Name des IRC Operator */
458 		strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_PASS_LEN - 1 );
459 		Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0';
460 		return;
461 	}
462 	if( strcasecmp( Var, "Password" ) == 0 )
463 	{
464 		/* Passwort des IRC Operator */
465 		strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
466 		Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
467 		return;
468 	}
469 	
470 	Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
471 } /* Handle_OPERATOR */
472 
473 
474 LOCAL VOID
475 Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
476 {
477 	LONG port;
478 	
479 	assert( Line > 0 );
480 	assert( Var != NULL );
481 	assert( Arg != NULL );
482 
483 	if( strcasecmp( Var, "Host" ) == 0 )
484 	{
485 		/* Hostname des Servers */
486 		strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
487 		Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
488 		return;
489 	}
490 	if( strcasecmp( Var, "Name" ) == 0 )
491 	{
492 		/* Name des Servers ("Nick") */
493 		strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
494 		Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
495 		return;
496 	}
497 	if( strcasecmp( Var, "MyPassword" ) == 0 )
498 	{
499 		/* Passwort dieses Servers, welches empfangen werden muss */
500 		strncpy( Conf_Server[Conf_Server_Count - 1].pwd_in, Arg, CLIENT_PASS_LEN - 1 );
501 		Conf_Server[Conf_Server_Count - 1].pwd_in[CLIENT_PASS_LEN - 1] = '\0';
502 		return;
503 	}
504 	if( strcasecmp( Var, "PeerPassword" ) == 0 )
505 	{
506 		/* Passwort des anderen Servers, welches gesendet werden muss */
507 		strncpy( Conf_Server[Conf_Server_Count - 1].pwd_out, Arg, CLIENT_PASS_LEN - 1 );
508 		Conf_Server[Conf_Server_Count - 1].pwd_out[CLIENT_PASS_LEN - 1] = '\0';
509 		return;
510 	}
511 	if( strcasecmp( Var, "Port" ) == 0 )
512 	{
513 		/* Port, zu dem Verbunden werden soll */
514 		port = atol( Arg );
515 		if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
516 		else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
517 		return;
518 	}
519 	if( strcasecmp( Var, "Group" ) == 0 )
520 	{
521 		/* Server-Gruppe */
522 		Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
523 		return;
524 	}
525 	
526 	Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
527 } /* Handle_SERVER */
528 
529 
530 LOCAL VOID
531 Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
532 {
533 	assert( Line > 0 );
534 	assert( Var != NULL );
535 	assert( Arg != NULL );
536 
537 	if( strcasecmp( Var, "Name" ) == 0 )
538 	{
539 		/* Hostname des Servers */
540 		strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
541 		Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
542 		return;
543 	}
544 	if( strcasecmp( Var, "Modes" ) == 0 )
545 	{
546 		/* Name des Servers ("Nick") */
547 		strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
548 		Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
549 		return;
550 	}
551 	if( strcasecmp( Var, "Topic" ) == 0 )
552 	{
553 		/* Passwort des Servers */
554 		strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
555 		Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
556 		return;
557 	}
558 
559 	Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
560 } /* Handle_CHANNEL */
561 
562 
563 LOCAL VOID
564 Validate_Config( VOID )
565 {
566 	/* Konfiguration ueberpruefen */
567 	
568 	if( ! Conf_ServerName[0] )
569 	{
570 		/* Kein Servername konfiguriert */
571 		Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
572 		Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
573 		exit( 1 );
574 	}
575 
576 #ifdef STRICT_RFC
577 	if( ! Conf_ServerAdminMail[0] )
578 	{
579 		/* Keine Server-Information konfiguriert */
580 		Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile );
581 		Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
582 		exit( 1 );
583 	}
584 #endif
585 
586 	if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] )
587 	{
588 		/* Keine Server-Information konfiguriert */
589 		Log( LOG_WARNING, "No server information configured but required by RFC!" );
590 	}
591 } /* Validate_Config */
592 
593 
594 #ifdef PROTOTYPES
595 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
596 #else
597 LOCAL VOID Config_Error( Level, Format, va_alist )
598 CONST INT Level;
599 CONST CHAR *Format;
600 va_dcl
601 #endif
602 {
603 	/* Fehler! Auf Console und/oder ins Log schreiben */
604 
605 	CHAR msg[MAX_LOG_MSG_LEN];
606 	va_list ap;
607 
608 	assert( Format != NULL );
609 
610 	/* String mit variablen Argumenten zusammenbauen ... */
611 #ifdef PROTOTYPES
612 	va_start( ap, Format );
613 #else
614 	va_start( ap );
615 #endif
616 	vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
617 	va_end( ap );
618 
619 	/* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
620 	 * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
621 	 * Meldungen direkt auf die Konsole ausgegeben werden: */
622 	if( Use_Log ) Log( Level, "%s", msg );
623 	else puts( msg );
624 } /* Config_Error */
625 
626 
627 /* -eof- */