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 1.86 2002/03/04 01:43:20 alex Exp $
17 * Revision 1.86 2002/03/04 01:43:20 alex
18 * - der WHO-Befehl (ohne Argumente) gat teilweise Channel-Names vergessen.
20 * Revision 1.85 2002/03/03 19:44:30 alex
21 * - WHO implementiert (bisher ohne Unterstuetzung von Masks)
23 * Revision 1.84 2002/03/03 17:15:11 alex
24 * - Source in weitere Module fuer IRC-Befehle aufgesplitted.
26 * Revision 1.83 2002/02/28 00:48:26 alex
27 * - Forwarding von TOPIC an andere Server gefixed. Hoffentlich ;-)
29 * Revision 1.82 2002/02/27 23:26:36 alex
30 * - einige Funktionen in irc-xxx-Module ausgegliedert.
32 * Revision 1.81 2002/02/27 20:55:44 alex
33 * - Channel-Topics werden nun auch korrekt von anderen Server angenommen.
35 * Revision 1.80 2002/02/27 20:33:13 alex
36 * - Channel-Topics implementiert.
38 * Revision 1.79 2002/02/27 18:57:21 alex
39 * - PRIVMSG zeugt nun bei Texten an User an, wenn diese "away" sind.
41 * Revision 1.78 2002/02/27 18:23:45 alex
42 * - IRC-Befehl "AWAY" implementert.
44 * Revision 1.77 2002/02/27 17:05:41 alex
45 * - PRIVMSG beachtet nun die Channel-Modes "n" und "m".
47 * Revision 1.76 2002/02/27 16:04:14 alex
48 * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben.
50 * Revision 1.75 2002/02/27 15:23:27 alex
51 * - NAMES beachtet nun das "invisible" Flag ("i") von Usern.
53 * Revision 1.74 2002/02/27 03:44:53 alex
54 * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun
55 * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen.
57 * Revision 1.73 2002/02/27 03:08:05 alex
58 * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
60 * Revision 1.72 2002/02/27 02:26:58 alex
61 * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
63 * Revision 1.71 2002/02/27 00:50:05 alex
64 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
65 * - NAMES korrigiert und komplett implementiert.
67 * Revision 1.70 2002/02/26 22:06:40 alex
68 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
87 #include "irc-write.h"
96 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
98 assert( Client != NULL );
99 assert( Req != NULL );
101 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
103 /* Falsche Anzahl Parameter? */
104 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
106 return IRC_Show_MOTD( Client );
110 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
112 BOOLEAN is_member, has_voice, is_op, ok;
116 assert( Client != NULL );
117 assert( Req != NULL );
119 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
121 /* Falsche Anzahl Parameter? */
122 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
123 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
124 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
126 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
128 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
130 cl = Client_Search( Req->argv[0] );
133 /* Okay, Ziel ist ein User */
134 if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' )))
136 /* Ziel-User ist AWAY: Meldung verschicken */
137 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED;
141 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
142 return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
145 chan = Channel_Search( Req->argv[0] );
148 /* Okay, Ziel ist ein Channel */
149 is_member = has_voice = is_op = FALSE;
150 if( Channel_IsMemberOf( chan, from ))
153 if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE;
154 if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE;
157 /* pruefen, ob Client in Channel schreiben darf */
159 if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE;
160 if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
162 if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] );
165 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
166 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
169 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
173 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
177 assert( Client != NULL );
178 assert( Req != NULL );
180 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
182 /* Falsche Anzahl Parameter? */
183 if( Req->argc != 2 ) return CONNECTED;
185 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
187 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
189 to = Client_Search( Req->argv[0] );
192 /* Okay, Ziel ist ein User */
193 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
195 else return CONNECTED;
199 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
201 CHAR rpl[COMMAND_LEN], *ptr;
202 CLIENT *target, *from, *c;
205 assert( Client != NULL );
206 assert( Req != NULL );
208 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
210 /* Falsche Anzahl Parameter? */
211 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
213 /* From aus Prefix ermitteln */
214 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
216 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
220 /* an anderen Server forwarden */
221 target = Client_GetFromID( Req->argv[1] );
222 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
224 if( target != Client_ThisServer( ))
226 /* Ok, anderer Server ist das Ziel: forwarden */
227 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
233 /* bestimmte Channels durchgehen */
234 ptr = strtok( Req->argv[0], "," );
237 chan = Channel_Search( ptr );
241 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
243 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
245 /* naechsten Namen ermitteln */
246 ptr = strtok( NULL, "," );
251 /* alle Channels durchgehen */
252 chan = Channel_First( );
256 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
258 /* naechster Channel */
259 chan = Channel_Next( chan );
262 /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
264 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
267 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
269 /* Okay, das ist ein User: anhaengen */
270 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
271 strcat( rpl, Client_ID( c ));
273 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
275 /* Zeile wird zu lang: senden! */
276 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
277 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
281 /* naechster Client */
282 c = Client_Next( c );
284 if( rpl[strlen( rpl ) - 1] != ':')
286 /* es wurden User gefunden */
287 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
290 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
294 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
296 CHAR rpl[COMMAND_LEN];
301 assert( Client != NULL );
302 assert( Req != NULL );
304 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
306 /* Falsche Anzahl Parameter? */
307 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
309 strcpy( rpl, RPL_ISON_MSG );
310 for( i = 0; i < Req->argc; i++ )
312 ptr = strtok( Req->argv[i], " " );
316 c = Client_GetFromID( ptr );
317 if( c && ( Client_Type( c ) == CLIENT_USER ))
319 /* Dieser Nick ist "online" */
323 ptr = strtok( NULL, " " );
326 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
328 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
332 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
334 CLIENT *from, *target, *c;
335 CHAR str[LINE_LEN + 1], *ptr = NULL;
339 assert( Client != NULL );
340 assert( Req != NULL );
342 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
344 /* Falsche Anzahl Parameter? */
345 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
348 c = Client_GetFromID( Req->argv[Req->argc - 1] );
349 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
351 /* Empfaenger des WHOIS suchen */
352 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
354 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
356 /* Forwarden an anderen Server? */
359 /* angegebenen Ziel-Server suchen */
360 target = Client_GetFromID( Req->argv[1] );
361 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
364 else target = Client_ThisServer( );
366 assert( target != NULL );
368 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 );
370 /* Nick, User und Name */
371 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
374 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;
377 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
378 cl2chan = Channel_FirstChannelOf( c );
381 chan = Channel_GetChannel( cl2chan );
382 assert( chan != NULL );
384 /* Channel-Name anhaengen */
385 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
386 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
387 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
388 strcat( str, Channel_Name( chan ));
390 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
392 /* Zeile wird zu lang: senden! */
393 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
394 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
397 /* naechstes Mitglied suchen */
398 cl2chan = Channel_NextChannelOf( c, cl2chan );
400 if( str[strlen( str ) - 1] != ':')
402 /* Es sind noch Daten da, die gesendet werden muessen */
403 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
407 if( Client_HasMode( c, 'o' ))
409 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
412 /* Idle (nur lokale Clients) */
413 if( Client_Conn( c ) > NONE )
415 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
419 if( Client_HasMode( c, 'a' ))
421 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
425 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
429 GLOBAL BOOLEAN IRC_WHO( CLIENT *Client, REQUEST *Req )
431 BOOLEAN ok, only_ops;
437 assert( Client != NULL );
438 assert( Req != NULL );
440 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
442 /* Falsche Anzahl Parameter? */
443 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
450 /* Nur OPs anzeigen? */
451 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
453 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
459 /* wurde ein Channel oder Nick-Mask angegeben? */
460 chan = Channel_Search( Req->argv[0] );
465 /* User eines Channels ausgeben */
466 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
472 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
475 if( Req->argc == 0 ) ok = TRUE;
478 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
479 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
482 if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
484 /* Flags zusammenbasteln */
485 strcpy( flags, "H" );
486 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
489 cl2chan = Channel_FirstChannelOf( c );
490 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
492 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;
496 /* naechster Client */
497 c = Client_Next( c );
500 if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
501 else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
502 else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
506 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
508 CHAR rpl[COMMAND_LEN];
512 assert( Client != NULL );
513 assert( Req != NULL );
515 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
517 /* Falsche Anzahl Parameter? */
518 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
520 if( Req->argc > 5 ) max = 5;
521 else max = Req->argc;
523 strcpy( rpl, RPL_USERHOST_MSG );
524 for( i = 0; i < max; i++ )
526 c = Client_GetFromID( Req->argv[i] );
527 if( c && ( Client_Type( c ) == CLIENT_USER ))
529 /* Dieser Nick ist "online" */
530 strcat( rpl, Client_ID( c ));
531 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
533 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
534 else strcat( rpl, "+" );
535 strcat( rpl, Client_User( c ));
537 strcat( rpl, Client_Hostname( c ));
541 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
543 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
547 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
549 assert( Client != NULL );
550 assert( Req != NULL );
552 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
553 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
559 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
561 CLIENT *target, *from;
563 assert( Client != NULL );
564 assert( Req != NULL );
566 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
568 /* Falsche Anzahl Parameter? */
569 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
571 /* Absender ermitteln */
572 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
574 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
576 /* An anderen Server forwarden? */
579 target = Client_GetFromID( Req->argv[1] );
580 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
581 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
584 /* Wer ist der Absender? */
585 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
586 else target = Client;
587 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
589 IRC_Send_LUSERS( target );
595 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
597 CLIENT *target, *from, *c;
600 assert( Client != NULL );
601 assert( Req != NULL );
603 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
605 /* Falsche Anzahl Parameter? */
606 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
608 /* Server-Mask ermitteln */
609 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
612 /* Absender ermitteln */
613 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
615 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
617 /* An anderen Server forwarden? */
620 target = Client_GetFromID( Req->argv[0] );
621 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
622 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
625 /* Wer ist der Absender? */
626 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
627 else target = Client;
628 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
633 if( Client_Type( c ) == CLIENT_SERVER )
635 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;
637 c = Client_Next( c );
640 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
644 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
646 CLIENT *target, *prefix;
648 assert( Client != NULL );
649 assert( Req != NULL );
651 /* Falsche Anzahl Parameter? */
652 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
655 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
656 else target = Client_ThisServer( );
658 /* Prefix ermitteln */
659 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
660 else prefix = Client;
661 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
663 /* An anderen Server weiterleiten? */
664 if( target != Client_ThisServer( ))
666 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
669 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
673 /* mit Versionsinfo antworten */
674 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
678 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
682 assert( Client != NULL );
683 assert( Req != NULL );
685 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
687 /* Falsche Anzahl Parameter? */
688 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
690 prefix = Client_GetFromID( Req->prefix );
693 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
694 prefix = Client_ThisServer( );
697 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
699 /* andere Server benachrichtigen */
700 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
702 /* haben wir selber einen solchen Client? */
703 c = Client_GetFromID( Req->argv[0] );
704 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
710 GLOBAL BOOLEAN IRC_Show_MOTD( CLIENT *Client )
716 assert( Client != NULL );
718 fd = fopen( Conf_MotdFile, "r" );
721 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
722 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
725 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
728 if( ! fgets( line, 126, fd )) break;
729 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
730 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
736 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
741 } /* IRC_Show_MOTD */
744 GLOBAL BOOLEAN IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
746 BOOLEAN is_visible, is_member;
747 CHAR str[LINE_LEN + 1];
751 assert( Client != NULL );
752 assert( Chan != NULL );
754 if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
755 else is_member = FALSE;
757 /* Alle Mitglieder suchen */
758 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
759 cl2chan = Channel_FirstMember( Chan );
762 cl = Channel_GetClient( cl2chan );
764 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
765 else is_visible = TRUE;
767 if( is_member || is_visible )
770 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
771 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
772 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
773 strcat( str, Client_ID( cl ));
775 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
777 /* Zeile wird zu lang: senden! */
778 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
779 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
783 /* naechstes Mitglied suchen */
784 cl2chan = Channel_NextMember( Chan, cl2chan );
786 if( str[strlen( str ) - 1] != ':')
788 /* Es sind noch Daten da, die gesendet werden muessen */
789 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
793 } /* IRC_Send_NAMES */
796 GLOBAL BOOLEAN IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
798 BOOLEAN is_visible, is_member;
803 assert( Client != NULL );
804 assert( Chan != NULL );
806 if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
807 else is_member = FALSE;
809 /* Alle Mitglieder suchen */
810 cl2chan = Channel_FirstMember( Chan );
813 c = Channel_GetClient( cl2chan );
815 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
816 else is_visible = TRUE;
818 if( is_member || is_visible )
820 /* Flags zusammenbasteln */
821 strcpy( flags, "H" );
822 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
823 if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" );
824 if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" );
827 if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
829 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;
833 /* naechstes Mitglied suchen */
834 cl2chan = Channel_NextMember( Chan, cl2chan );
840 GLOBAL BOOLEAN IRC_Send_LUSERS( CLIENT *Client )
844 assert( Client != NULL );
846 /* Users, Services und Serevr im Netz */
847 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
849 /* IRC-Operatoren im Netz */
850 cnt = Client_OperCount( );
853 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
856 /* Unbekannt Verbindungen */
857 cnt = Client_UnknownCount( );
860 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
863 /* Channels im Netz */
864 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
866 /* Channels im Netz */
867 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
870 } /* IRC_Send_LUSERS */