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: irc.c,v 1.87 2002/03/10 18:16:51 alex Exp $
17 * Revision 1.87 2002/03/10 18:16:51 alex
18 * - bei WHO, WHOIS und NAMES wird nun nur noch der Status "Operator" oder
19 * "voiced" geliefert -- nicht mehr beides.
21 * Revision 1.86 2002/03/04 01:43:20 alex
22 * - der WHO-Befehl (ohne Argumente) gat teilweise Channel-Names vergessen.
24 * Revision 1.85 2002/03/03 19:44:30 alex
25 * - WHO implementiert (bisher ohne Unterstuetzung von Masks)
27 * Revision 1.84 2002/03/03 17:15:11 alex
28 * - Source in weitere Module fuer IRC-Befehle aufgesplitted.
30 * Revision 1.83 2002/02/28 00:48:26 alex
31 * - Forwarding von TOPIC an andere Server gefixed. Hoffentlich ;-)
33 * Revision 1.82 2002/02/27 23:26:36 alex
34 * - einige Funktionen in irc-xxx-Module ausgegliedert.
36 * Revision 1.81 2002/02/27 20:55:44 alex
37 * - Channel-Topics werden nun auch korrekt von anderen Server angenommen.
39 * Revision 1.80 2002/02/27 20:33:13 alex
40 * - Channel-Topics implementiert.
42 * Revision 1.79 2002/02/27 18:57:21 alex
43 * - PRIVMSG zeugt nun bei Texten an User an, wenn diese "away" sind.
45 * Revision 1.78 2002/02/27 18:23:45 alex
46 * - IRC-Befehl "AWAY" implementert.
48 * Revision 1.77 2002/02/27 17:05:41 alex
49 * - PRIVMSG beachtet nun die Channel-Modes "n" und "m".
51 * Revision 1.76 2002/02/27 16:04:14 alex
52 * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben.
54 * Revision 1.75 2002/02/27 15:23:27 alex
55 * - NAMES beachtet nun das "invisible" Flag ("i") von Usern.
57 * Revision 1.74 2002/02/27 03:44:53 alex
58 * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun
59 * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen.
61 * Revision 1.73 2002/02/27 03:08:05 alex
62 * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
64 * Revision 1.72 2002/02/27 02:26:58 alex
65 * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
67 * Revision 1.71 2002/02/27 00:50:05 alex
68 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
69 * - NAMES korrigiert und komplett implementiert.
71 * Revision 1.70 2002/02/26 22:06:40 alex
72 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
91 #include "irc-write.h"
100 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
102 assert( Client != NULL );
103 assert( Req != NULL );
105 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
107 /* Falsche Anzahl Parameter? */
108 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
110 return IRC_Show_MOTD( Client );
114 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
116 BOOLEAN is_member, has_voice, is_op, ok;
120 assert( Client != NULL );
121 assert( Req != NULL );
123 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
125 /* Falsche Anzahl Parameter? */
126 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
127 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
128 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
130 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
132 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
134 cl = Client_Search( Req->argv[0] );
137 /* Okay, Ziel ist ein User */
138 if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' )))
140 /* Ziel-User ist AWAY: Meldung verschicken */
141 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED;
145 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
146 return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
149 chan = Channel_Search( Req->argv[0] );
152 /* Okay, Ziel ist ein Channel */
153 is_member = has_voice = is_op = FALSE;
154 if( Channel_IsMemberOf( chan, from ))
157 if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE;
158 if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE;
161 /* pruefen, ob Client in Channel schreiben darf */
163 if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE;
164 if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
166 if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] );
169 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
170 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
173 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
177 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
181 assert( Client != NULL );
182 assert( Req != NULL );
184 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
186 /* Falsche Anzahl Parameter? */
187 if( Req->argc != 2 ) return CONNECTED;
189 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
191 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
193 to = Client_Search( Req->argv[0] );
196 /* Okay, Ziel ist ein User */
197 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
199 else return CONNECTED;
203 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
205 CHAR rpl[COMMAND_LEN], *ptr;
206 CLIENT *target, *from, *c;
209 assert( Client != NULL );
210 assert( Req != NULL );
212 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
214 /* Falsche Anzahl Parameter? */
215 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
217 /* From aus Prefix ermitteln */
218 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
220 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
224 /* an anderen Server forwarden */
225 target = Client_GetFromID( Req->argv[1] );
226 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
228 if( target != Client_ThisServer( ))
230 /* Ok, anderer Server ist das Ziel: forwarden */
231 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
237 /* bestimmte Channels durchgehen */
238 ptr = strtok( Req->argv[0], "," );
241 chan = Channel_Search( ptr );
245 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
247 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
249 /* naechsten Namen ermitteln */
250 ptr = strtok( NULL, "," );
255 /* alle Channels durchgehen */
256 chan = Channel_First( );
260 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
262 /* naechster Channel */
263 chan = Channel_Next( chan );
266 /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
268 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
271 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
273 /* Okay, das ist ein User: anhaengen */
274 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
275 strcat( rpl, Client_ID( c ));
277 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
279 /* Zeile wird zu lang: senden! */
280 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
281 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
285 /* naechster Client */
286 c = Client_Next( c );
288 if( rpl[strlen( rpl ) - 1] != ':')
290 /* es wurden User gefunden */
291 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
294 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
298 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
300 CHAR rpl[COMMAND_LEN];
305 assert( Client != NULL );
306 assert( Req != NULL );
308 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
310 /* Falsche Anzahl Parameter? */
311 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
313 strcpy( rpl, RPL_ISON_MSG );
314 for( i = 0; i < Req->argc; i++ )
316 ptr = strtok( Req->argv[i], " " );
320 c = Client_GetFromID( ptr );
321 if( c && ( Client_Type( c ) == CLIENT_USER ))
323 /* Dieser Nick ist "online" */
327 ptr = strtok( NULL, " " );
330 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
332 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
336 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
338 CLIENT *from, *target, *c;
339 CHAR str[LINE_LEN + 1], *ptr = NULL;
343 assert( Client != NULL );
344 assert( Req != NULL );
346 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
348 /* Falsche Anzahl Parameter? */
349 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
352 c = Client_GetFromID( Req->argv[Req->argc - 1] );
353 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
355 /* Empfaenger des WHOIS suchen */
356 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
358 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
360 /* Forwarden an anderen Server? */
363 /* angegebenen Ziel-Server suchen */
364 target = Client_GetFromID( Req->argv[1] );
365 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
368 else target = Client_ThisServer( );
370 assert( target != NULL );
372 if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
374 /* Nick, User und Name */
375 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
378 if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
381 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
382 cl2chan = Channel_FirstChannelOf( c );
385 chan = Channel_GetChannel( cl2chan );
386 assert( chan != NULL );
388 /* Channel-Name anhaengen */
389 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
390 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
391 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
392 strcat( str, Channel_Name( chan ));
394 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
396 /* Zeile wird zu lang: senden! */
397 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
398 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
401 /* naechstes Mitglied suchen */
402 cl2chan = Channel_NextChannelOf( c, cl2chan );
404 if( str[strlen( str ) - 1] != ':')
406 /* Es sind noch Daten da, die gesendet werden muessen */
407 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
411 if( Client_HasMode( c, 'o' ))
413 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
416 /* Idle (nur lokale Clients) */
417 if( Client_Conn( c ) > NONE )
419 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
423 if( Client_HasMode( c, 'a' ))
425 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
429 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
433 GLOBAL BOOLEAN IRC_WHO( CLIENT *Client, REQUEST *Req )
435 BOOLEAN ok, only_ops;
441 assert( Client != NULL );
442 assert( Req != NULL );
444 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
446 /* Falsche Anzahl Parameter? */
447 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
454 /* Nur OPs anzeigen? */
455 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
457 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
463 /* wurde ein Channel oder Nick-Mask angegeben? */
464 chan = Channel_Search( Req->argv[0] );
469 /* User eines Channels ausgeben */
470 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
476 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
479 if( Req->argc == 0 ) ok = TRUE;
482 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
483 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
486 if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
488 /* Flags zusammenbasteln */
489 strcpy( flags, "H" );
490 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
493 cl2chan = Channel_FirstChannelOf( c );
494 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
496 if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
500 /* naechster Client */
501 c = Client_Next( c );
504 if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
505 else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
506 else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
510 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
512 CHAR rpl[COMMAND_LEN];
516 assert( Client != NULL );
517 assert( Req != NULL );
519 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
521 /* Falsche Anzahl Parameter? */
522 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
524 if( Req->argc > 5 ) max = 5;
525 else max = Req->argc;
527 strcpy( rpl, RPL_USERHOST_MSG );
528 for( i = 0; i < max; i++ )
530 c = Client_GetFromID( Req->argv[i] );
531 if( c && ( Client_Type( c ) == CLIENT_USER ))
533 /* Dieser Nick ist "online" */
534 strcat( rpl, Client_ID( c ));
535 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
537 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
538 else strcat( rpl, "+" );
539 strcat( rpl, Client_User( c ));
541 strcat( rpl, Client_Hostname( c ));
545 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
547 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
551 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
553 assert( Client != NULL );
554 assert( Req != NULL );
556 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
557 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
563 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
565 CLIENT *target, *from;
567 assert( Client != NULL );
568 assert( Req != NULL );
570 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
572 /* Falsche Anzahl Parameter? */
573 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
575 /* Absender ermitteln */
576 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
578 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
580 /* An anderen Server forwarden? */
583 target = Client_GetFromID( Req->argv[1] );
584 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
585 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
588 /* Wer ist der Absender? */
589 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
590 else target = Client;
591 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
593 IRC_Send_LUSERS( target );
599 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
601 CLIENT *target, *from, *c;
604 assert( Client != NULL );
605 assert( Req != NULL );
607 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
609 /* Falsche Anzahl Parameter? */
610 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
612 /* Server-Mask ermitteln */
613 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
616 /* Absender ermitteln */
617 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
619 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
621 /* An anderen Server forwarden? */
624 target = Client_GetFromID( Req->argv[0] );
625 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
626 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
629 /* Wer ist der Absender? */
630 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
631 else target = Client;
632 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
637 if( Client_Type( c ) == CLIENT_SERVER )
639 if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
641 c = Client_Next( c );
644 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
648 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
650 CLIENT *target, *prefix;
652 assert( Client != NULL );
653 assert( Req != NULL );
655 /* Falsche Anzahl Parameter? */
656 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
659 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
660 else target = Client_ThisServer( );
662 /* Prefix ermitteln */
663 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
664 else prefix = Client;
665 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
667 /* An anderen Server weiterleiten? */
668 if( target != Client_ThisServer( ))
670 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
673 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
677 /* mit Versionsinfo antworten */
678 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
682 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
686 assert( Client != NULL );
687 assert( Req != NULL );
689 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
691 /* Falsche Anzahl Parameter? */
692 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
694 prefix = Client_GetFromID( Req->prefix );
697 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
698 prefix = Client_ThisServer( );
701 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
703 /* andere Server benachrichtigen */
704 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
706 /* haben wir selber einen solchen Client? */
707 c = Client_GetFromID( Req->argv[0] );
708 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
714 GLOBAL BOOLEAN IRC_Show_MOTD( CLIENT *Client )
720 assert( Client != NULL );
722 fd = fopen( Conf_MotdFile, "r" );
725 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
726 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
729 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
732 if( ! fgets( line, 126, fd )) break;
733 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
734 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
740 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
745 } /* IRC_Show_MOTD */
748 GLOBAL BOOLEAN IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
750 BOOLEAN is_visible, is_member;
751 CHAR str[LINE_LEN + 1];
755 assert( Client != NULL );
756 assert( Chan != NULL );
758 if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
759 else is_member = FALSE;
761 /* Alle Mitglieder suchen */
762 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
763 cl2chan = Channel_FirstMember( Chan );
766 cl = Channel_GetClient( cl2chan );
768 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
769 else is_visible = TRUE;
771 if( is_member || is_visible )
774 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
775 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
776 else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
777 strcat( str, Client_ID( cl ));
779 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
781 /* Zeile wird zu lang: senden! */
782 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
783 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
787 /* naechstes Mitglied suchen */
788 cl2chan = Channel_NextMember( Chan, cl2chan );
790 if( str[strlen( str ) - 1] != ':')
792 /* Es sind noch Daten da, die gesendet werden muessen */
793 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
797 } /* IRC_Send_NAMES */
800 GLOBAL BOOLEAN IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
802 BOOLEAN is_visible, is_member;
807 assert( Client != NULL );
808 assert( Chan != NULL );
810 if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
811 else is_member = FALSE;
813 /* Alle Mitglieder suchen */
814 cl2chan = Channel_FirstMember( Chan );
817 c = Channel_GetClient( cl2chan );
819 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
820 else is_visible = TRUE;
822 if( is_member || is_visible )
824 /* Flags zusammenbasteln */
825 strcpy( flags, "H" );
826 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
827 if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" );
828 else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" );
831 if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
833 if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
837 /* naechstes Mitglied suchen */
838 cl2chan = Channel_NextMember( Chan, cl2chan );
844 GLOBAL BOOLEAN IRC_Send_LUSERS( CLIENT *Client )
848 assert( Client != NULL );
850 /* Users, Services und Serevr im Netz */
851 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
853 /* IRC-Operatoren im Netz */
854 cnt = Client_OperCount( );
857 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
860 /* Unbekannt Verbindungen */
861 cnt = Client_UnknownCount( );
864 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
867 /* Channels im Netz */
868 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
870 /* Channels im Netz */
871 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
874 } /* IRC_Send_LUSERS */