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 1.78 2002/02/27 18:23:45 alex Exp $
17 * Revision 1.78 2002/02/27 18:23:45 alex
18 * - IRC-Befehl "AWAY" implementert.
20 * Revision 1.77 2002/02/27 17:05:41 alex
21 * - PRIVMSG beachtet nun die Channel-Modes "n" und "m".
23 * Revision 1.76 2002/02/27 16:04:14 alex
24 * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben.
26 * Revision 1.75 2002/02/27 15:23:27 alex
27 * - NAMES beachtet nun das "invisible" Flag ("i") von Usern.
29 * Revision 1.74 2002/02/27 03:44:53 alex
30 * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun
31 * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen.
33 * Revision 1.73 2002/02/27 03:08:05 alex
34 * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
36 * Revision 1.72 2002/02/27 02:26:58 alex
37 * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
39 * Revision 1.71 2002/02/27 00:50:05 alex
40 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
41 * - NAMES korrigiert und komplett implementiert.
43 * Revision 1.70 2002/02/26 22:06:40 alex
44 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
46 * Revision 1.69 2002/02/26 20:52:40 alex
47 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
49 * Revision 1.68 2002/02/25 17:46:27 alex
50 * - an User wird nun immer ein "komplettes" Prefix verschickt.
52 * Revision 1.67 2002/02/25 13:21:25 alex
53 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
54 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
56 * Revision 1.66 2002/02/23 21:39:48 alex
57 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
59 * Revision 1.65 2002/02/23 00:03:54 alex
60 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
62 * Revision 1.64 2002/02/19 20:06:45 alex
63 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
64 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
66 * Revision 1.63 2002/02/19 02:21:17 alex
67 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
68 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
70 * Revision 1.62 2002/02/17 23:38:58 alex
71 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
73 * Revision 1.61 2002/02/17 19:03:12 alex
74 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
76 * Revision 1.60 2002/02/17 17:43:14 alex
77 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
79 * Revision 1.59 2002/02/17 17:30:21 alex
80 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
81 * - Neue Funktion IRC_WriteStrRelatedPrefix().
83 * Revision 1.58 2002/02/17 17:18:59 alex
86 * Revision 1.57 2002/02/13 23:05:29 alex
87 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
89 * Revision 1.56 2002/02/13 17:52:27 alex
90 * - es werden nun Channel- und User-Modes von Usern angenommen.
92 * Revision 1.55 2002/02/12 14:40:37 alex
93 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
95 * Revision 1.54 2002/02/11 23:33:35 alex
96 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
98 * Revision 1.53 2002/02/11 16:06:21 alex
99 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
101 * Revision 1.52 2002/02/11 15:52:21 alex
102 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
103 * - Channel-Modes wurden falsch geliefert (als User-Modes).
105 * Revision 1.51 2002/02/11 15:15:53 alex
106 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
107 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
109 * Revision 1.50 2002/02/11 01:03:20 alex
110 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
111 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
112 * angelegt wird, werden Channel-Operator, etc. pp. ...
113 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
115 * Revision 1.49 2002/02/06 16:51:22 alex
116 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
118 * Revision 1.48 2002/01/29 00:13:45 alex
119 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
120 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
121 * LINKS wieder korrekt.
123 * Revision 1.47 2002/01/28 13:05:48 alex
124 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
125 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
127 * Revision 1.46 2002/01/28 01:45:43 alex
128 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
130 * Revision 1.45 2002/01/28 01:18:14 alex
131 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
133 * Revision 1.44 2002/01/28 00:55:08 alex
134 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
136 * Revision 1.43 2002/01/27 21:56:39 alex
137 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
138 * - einige kleinere Fixes bezueglich Channels ...
140 * Revision 1.42 2002/01/27 18:28:01 alex
141 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
143 * Revision 1.41 2002/01/27 17:15:49 alex
144 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
145 * IRC_WriteStrChannelPrefix(),
146 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
148 * Revision 1.40 2002/01/26 18:43:11 alex
149 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
150 * die IRC_Write_xxx_Related() sind dafuer entfallen.
151 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
153 * Revision 1.39 2002/01/21 00:05:11 alex
154 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
155 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
156 * - diverse Aenderungen im Zusammenhang mit Channels.
158 * Revision 1.38 2002/01/18 15:31:32 alex
159 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
161 * Revision 1.37 2002/01/16 22:10:18 alex
162 * - IRC_LUSERS() implementiert.
164 * Revision 1.36 2002/01/11 23:50:55 alex
165 * - LINKS implementiert, LUSERS begonnen.
167 * Revision 1.35 2002/01/09 21:30:45 alex
168 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
170 * Revision 1.34 2002/01/09 01:09:58 alex
171 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
172 * - andere Server werden nun ueber bisherige Server und User informiert.
174 * Revision 1.33 2002/01/07 23:42:12 alex
175 * - Es werden fuer alle Server eigene Token generiert,
176 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
177 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
179 * Revision 1.32 2002/01/07 16:02:36 alex
180 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
181 * - Im Debug-Mode werden nun auch PING's protokolliert.
183 * Revision 1.31 2002/01/07 15:39:46 alex
184 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
185 * - MODE und NICK melden nun die Aenderungen an andere Server.
187 * Revision 1.30 2002/01/06 15:21:29 alex
188 * - Loglevel und Meldungen nochmals ueberarbeitet.
189 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
190 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
192 * Revision 1.29 2002/01/05 23:24:54 alex
193 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
194 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
196 * Revision 1.28 2002/01/05 20:08:02 alex
197 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
198 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
200 * Revision 1.27 2002/01/05 19:15:03 alex
201 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
203 * Revision 1.26 2002/01/05 16:51:18 alex
204 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
206 * Revision 1.25 2002/01/05 00:48:33 alex
207 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
209 * Revision 1.24 2002/01/04 17:58:44 alex
210 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
211 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
213 * Revision 1.23 2002/01/04 01:36:40 alex
214 * - Loglevel ein wenig angepasst.
216 * Revision 1.22 2002/01/04 01:21:47 alex
217 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
218 * - Weitere Anpassungen und Erweiterungen der Server-Links.
220 * Revision 1.21 2002/01/03 02:26:51 alex
221 * - neue Befehle SERVER und NJOIN begonnen,
222 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
224 * Revision 1.20 2002/01/02 12:46:41 alex
225 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
227 * Revision 1.19 2002/01/02 02:51:39 alex
228 * - Copyright-Texte angepasst.
229 * - neuer Befehl "ERROR".
231 * Revision 1.17 2001/12/31 15:33:13 alex
232 * - neuer Befehl NAMES, kleinere Bugfixes.
233 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
235 * Revision 1.16 2001/12/31 02:18:51 alex
236 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
237 * - neuen Header "defines.h" mit (fast) allen Konstanten.
238 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
240 * Revision 1.15 2001/12/30 19:26:11 alex
241 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
243 * Revision 1.14 2001/12/30 11:42:00 alex
244 * - der Server meldet nun eine ordentliche "Start-Zeit".
246 * Revision 1.13 2001/12/29 03:10:06 alex
247 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
248 * - neue configure-Optione "--enable-strict-rfc".
250 * Revision 1.12 2001/12/27 19:17:26 alex
251 * - neue Befehle PRIVMSG, NOTICE, PING.
253 * Revision 1.11 2001/12/27 16:55:41 alex
254 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
256 * Revision 1.10 2001/12/26 22:48:53 alex
257 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
259 * Revision 1.9 2001/12/26 14:45:37 alex
262 * Revision 1.8 2001/12/26 03:21:46 alex
263 * - PING/PONG-Befehle implementiert,
264 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
266 * Revision 1.7 2001/12/25 23:25:18 alex
267 * - und nochmal Aenderungen am Logging ;-)
269 * Revision 1.6 2001/12/25 23:13:33 alex
270 * - Debug-Meldungen angepasst.
272 * Revision 1.5 2001/12/25 22:02:42 alex
273 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
275 * Revision 1.4 2001/12/25 19:19:30 alex
276 * - bessere Fehler-Abfragen, diverse Bugfixes.
277 * - Nicks werden nur einmal vergeben :-)
278 * - /MOTD wird unterstuetzt.
280 * Revision 1.3 2001/12/24 01:34:06 alex
281 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
282 * - MOTD-Ausgabe begonnen zu implementieren.
284 * Revision 1.2 2001/12/23 21:57:16 alex
285 * - erste IRC-Befehle zu implementieren begonnen.
287 * Revision 1.1 2001/12/14 08:13:43 alex
288 * - neues Modul begonnen :-)
309 #include "messages.h"
317 #define CONNECTED TRUE
318 #define DISCONNECTED FALSE
321 LOCAL BOOLEAN Hello_User( CLIENT *Client );
322 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
324 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
326 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
327 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
329 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
332 GLOBAL VOID IRC_Init( VOID )
337 GLOBAL VOID IRC_Exit( VOID )
342 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
345 BOOLEAN ok = CONNECTED;
348 assert( Client != NULL );
349 assert( Format != NULL );
351 va_start( ap, Format );
352 vsnprintf( buffer, 1000, Format, ap );
355 /* an den Client selber */
356 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
359 } /* IRC_WriteStrClient */
362 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
364 /* Text an Clients, lokal bzw. remote, senden. */
369 assert( Client != NULL );
370 assert( Format != NULL );
371 assert( Prefix != NULL );
373 va_start( ap, Format );
374 vsnprintf( buffer, 1000, Format, ap );
377 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
378 } /* IRC_WriteStrClientPrefix */
381 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
386 assert( Client != NULL );
387 assert( Format != NULL );
389 va_start( ap, Format );
390 vsnprintf( buffer, 1000, Format, ap );
393 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
394 } /* IRC_WriteStrChannel */
397 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
399 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
406 assert( Client != NULL );
407 assert( Chan != NULL );
408 assert( Prefix != NULL );
409 assert( Format != NULL );
411 va_start( ap, Format );
412 vsnprintf( buffer, 1000, Format, ap );
415 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
417 /* An alle Clients, die in den selben Channels sind.
418 * Dabei aber nur einmal je Remote-Server */
419 cl2chan = Channel_FirstMember( Chan );
422 c = Channel_GetClient( cl2chan );
425 if( Client_Conn( c ) <= NONE ) c = NULL;
426 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
428 if( c ) c = Client_NextHop( c );
430 if( c && ( c != Client ))
432 /* Ok, anderer Client */
433 s = Client_Conn( c );
435 assert( s < MAX_CONNECTIONS );
437 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
438 else is_server[s] = FALSE;
440 cl2chan = Channel_NextMember( Chan, cl2chan );
444 for( i = 0; i < MAX_CONNECTIONS; i++ )
448 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
449 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
454 } /* IRC_WriteStrChannelPrefix */
457 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
462 assert( Format != NULL );
464 va_start( ap, Format );
465 vsnprintf( buffer, 1000, Format, ap );
468 /* an den Client selber */
469 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
470 } /* IRC_WriteStrServers */
473 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
479 assert( Format != NULL );
480 assert( Prefix != NULL );
482 va_start( ap, Format );
483 vsnprintf( buffer, 1000, Format, ap );
489 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
491 /* Ziel-Server gefunden */
492 IRC_WriteStrClientPrefix( c, Prefix, buffer );
494 c = Client_Next( c );
496 } /* IRC_WriteStrServersPrefix */
499 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
501 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
502 CL2CHAN *chan_cl2chan, *cl2chan;
509 assert( Client != NULL );
510 assert( Prefix != NULL );
511 assert( Format != NULL );
513 va_start( ap, Format );
514 vsnprintf( buffer, 1000, Format, ap );
518 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
520 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
521 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
522 chan_cl2chan = Channel_FirstChannelOf( Client );
523 while( chan_cl2chan )
525 /* Channel des Users durchsuchen */
526 chan = Channel_GetChannel( chan_cl2chan );
527 cl2chan = Channel_FirstMember( chan );
530 c = Channel_GetClient( cl2chan );
533 if( Client_Conn( c ) <= NONE ) c = NULL;
534 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
536 if( c ) c = Client_NextHop( c );
538 if( c && ( c != Client ))
540 /* Ok, anderer Client */
541 s = Client_Conn( c );
543 assert( s < MAX_CONNECTIONS );
545 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
546 else is_server[s] = FALSE;
548 cl2chan = Channel_NextMember( chan, cl2chan );
551 /* naechsten Channel */
552 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
556 for( i = 0; i < MAX_CONNECTIONS; i++ )
560 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
561 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
566 } /* IRC_WriteStrRelatedPrefix */
570 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
572 assert( Client != NULL );
573 assert( Req != NULL );
575 /* Fehler liefern, wenn kein lokaler Client */
576 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
578 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
580 /* noch nicht registrierte unbekannte Verbindung */
581 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
583 /* Passwort speichern */
584 Client_SetPassword( Client, Req->argv[0] );
586 Client_SetType( Client, CLIENT_GOTPASS );
589 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
591 /* noch nicht registrierte Server-Verbindung */
592 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
594 /* Passwort speichern */
595 Client_SetPassword( Client, Req->argv[0] );
597 Client_SetType( Client, CLIENT_GOTPASSSERVER );
600 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
602 /* Falsche Anzahl Parameter? */
603 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
605 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
609 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
611 CHAR str[LINE_LEN], *ptr;
612 CLIENT *from, *c, *cl;
618 assert( Client != NULL );
619 assert( Req != NULL );
621 /* Fehler liefern, wenn kein lokaler Client */
622 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
624 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
626 /* Verbindung soll als Server-Server-Verbindung registriert werden */
627 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
629 /* Falsche Anzahl Parameter? */
630 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
632 /* Ist dieser Server bei uns konfiguriert? */
633 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
634 if( i >= Conf_Server_Count )
636 /* Server ist nicht konfiguriert! */
637 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
638 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
641 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
643 /* Falsches Passwort */
644 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
645 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
649 /* Ist ein Server mit dieser ID bereits registriert? */
650 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
652 /* Server-Strukturen fuellen ;-) */
653 Client_SetID( Client, Req->argv[0] );
654 Client_SetHops( Client, 1 );
655 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
657 /* Meldet sich der Server bei uns an? */
660 /* Unseren SERVER- und PASS-Befehl senden */
662 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
663 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
666 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
669 Client_SetIntroducer( Client, Client );
670 Client_SetToken( Client, 1 );
672 else Client_SetToken( Client, atoi( Req->argv[1] ));
674 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
676 Client_SetType( Client, CLIENT_SERVER );
678 /* maximalen Hop Count ermitteln */
683 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
684 c = Client_Next( c );
687 /* Alle bisherigen Server dem neuen Server bekannt machen,
688 * die bisherigen Server ueber den neuen informierenn */
689 for( i = 0; i < ( max_hops + 1 ); i++ )
694 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
696 if( Client_Conn( c ) > NONE )
698 /* Dem gefundenen Server gleich den neuen
699 * Server bekannt machen */
700 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
703 /* Den neuen Server ueber den alten informieren */
704 if( ! IRC_WriteStrClientPrefix( Client, Client_Hops( c ) == 1 ? Client_ThisServer( ) : Client_Introducer( c ), "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ))) return DISCONNECTED;
706 c = Client_Next( c );
710 /* alle User dem neuen Server bekannt machen */
714 if( Client_Type( c ) == CLIENT_USER )
716 /* User an neuen Server melden */
717 if( ! IRC_WriteStrClient( Client, "NICK %s %d %s %s %d +%s :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_User( c ), Client_Hostname( c ), Client_MyToken( Client_Introducer( c )), Client_Modes( c ), Client_Info( c ))) return DISCONNECTED;
719 c = Client_Next( c );
722 /* Channels dem neuen Server bekannt machen */
723 chan = Channel_First( );
726 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
728 /* alle Member suchen */
729 cl2chan = Channel_FirstMember( chan );
732 cl = Channel_GetClient( cl2chan );
733 assert( cl != NULL );
735 /* Nick, ggf. mit Modes, anhaengen */
736 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
737 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
738 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
739 strcat( str, Client_ID( cl ));
741 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
744 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
745 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
748 cl2chan = Channel_NextMember( chan, cl2chan );
752 if( str[strlen( str ) - 1] != ':')
754 /* Ja; Also senden ... */
755 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
758 /* naechsten Channel suchen */
759 chan = Channel_Next( chan );
764 else if( Client_Type( Client ) == CLIENT_SERVER )
766 /* Neuer Server wird im Netz angekuendigt */
768 /* Falsche Anzahl Parameter? */
769 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
771 /* Ist ein Server mit dieser ID bereits registriert? */
772 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
774 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
775 ptr = strchr( Req->argv[3] + 2, '[' );
776 if( ! ptr ) ptr = Req->argv[3];
778 from = Client_GetFromID( Req->prefix );
781 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
782 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
783 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
787 /* Neue Client-Struktur anlegen */
788 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
791 /* Neue Client-Struktur konnte nicht angelegt werden */
792 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
793 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
797 /* Log-Meldung zusammenbauen und ausgeben */
798 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
799 else strcpy( str, "" );
800 Log( LOG_NOTICE, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
802 /* Andere Server informieren */
803 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
807 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
811 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
813 CHAR *channame, *ptr, modes[8];
814 BOOLEAN is_op, is_voiced;
818 assert( Client != NULL );
819 assert( Req != NULL );
821 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
823 /* Falsche Anzahl Parameter? */
824 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
826 channame = Req->argv[0];
827 ptr = strtok( Req->argv[1], "," );
830 is_op = is_voiced = FALSE;
832 /* Prefixe abschneiden */
833 while(( *ptr == '@' ) || ( *ptr == '+' ))
835 if( *ptr == '@' ) is_op = TRUE;
836 if( *ptr == '+' ) is_voiced = TRUE;
840 c = Client_GetFromID( ptr );
843 Channel_Join( c, channame );
844 chan = Channel_Search( channame );
845 assert( chan != NULL );
847 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
848 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
850 /* im Channel bekannt machen */
851 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
853 /* Channel-User-Modes setzen */
854 strcpy( modes, Channel_UserModes( chan, c ));
857 /* Modes im Channel bekannt machen */
858 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
861 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
863 /* naechsten Nick suchen */
864 ptr = strtok( NULL, "," );
867 /* an andere Server weiterleiten */
868 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
874 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
876 CLIENT *intr_c, *target, *c;
879 assert( Client != NULL );
880 assert( Req != NULL );
882 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
884 if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
886 if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
889 /* User-Registrierung bzw. Nick-Aenderung */
891 /* Falsche Anzahl Parameter? */
892 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
894 /* "Ziel-Client" ermitteln */
895 if( Client_Type( Client ) == CLIENT_SERVER )
897 target = Client_GetFromID( Req->prefix );
898 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
902 /* Ist der Client "restricted"? */
903 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
908 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
909 * wir nichts. So macht es das Original und mind. Snak hat probleme,
910 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
911 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
914 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
915 * will nur die Gross- und Kleinschreibung aendern. Das darf
916 * er natuerlich machen :-) */
917 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
919 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
922 /* Nick-Aenderung: allen mitteilen! */
924 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
925 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
926 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
928 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
931 Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", Client_Conn( Client ));
933 /* Client-Nick registrieren */
934 Client_SetID( target, Req->argv[0] );
936 /* schon ein USER da? Dann registrieren! */
937 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
938 else Client_SetType( Client, CLIENT_GOTNICK );
943 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
945 /* neuen Client-Nick speichern */
946 Client_SetID( target, Req->argv[0] );
951 else if( Client_Type( Client ) == CLIENT_SERVER )
953 /* Server fuehrt neuen Client ein */
955 /* Falsche Anzahl Parameter? */
956 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
958 /* Nick ueberpruefen */
959 c = Client_GetFromID( Req->argv[0] );
962 /* Der neue Nick ist auf diesem Server bereits registriert:
963 * sowohl der neue, als auch der alte Client muessen nun
964 * disconnectiert werden. */
965 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
966 Kill_Nick( Req->argv[0], "Nick collision" );
970 /* Server, zu dem der Client connectiert ist, suchen */
971 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
974 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
975 Kill_Nick( Req->argv[0], "Unknown server" );
979 /* Neue Client-Struktur anlegen */
980 c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
983 /* Eine neue Client-Struktur konnte nicht angelegt werden.
984 * Der Client muss disconnectiert werden, damit der Netz-
985 * status konsistent bleibt. */
986 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
987 Kill_Nick( Req->argv[0], "Server error" );
991 modes = Client_Modes( c );
992 if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
993 else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
995 /* Andere Server, ausser dem Introducer, informieren */
996 IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
1000 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
1004 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
1006 assert( Client != NULL );
1007 assert( Req != NULL );
1010 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
1012 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
1015 /* Falsche Anzahl Parameter? */
1016 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1018 Client_SetUser( Client, Req->argv[0], FALSE );
1019 Client_SetInfo( Client, Req->argv[3] );
1021 Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client ));
1022 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
1023 else Client_SetType( Client, CLIENT_GOTUSER );
1026 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
1028 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
1030 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1034 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1038 assert( Client != NULL );
1039 assert( Req != NULL );
1041 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1043 /* User / Service */
1045 /* Falsche Anzahl Parameter? */
1046 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1048 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1049 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1051 return DISCONNECTED;
1053 else if ( Client_Type( Client ) == CLIENT_SERVER )
1057 /* Falsche Anzahl Parameter? */
1058 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1060 target = Client_Search( Req->prefix );
1063 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1067 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1068 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1072 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1076 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1079 CHAR msg[LINE_LEN + 64];
1081 assert( Client != NULL );
1082 assert( Req != NULL );
1084 /* SQUIT ist nur fuer Server erlaubt */
1085 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1087 /* Falsche Anzahl Parameter? */
1088 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1090 Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] );
1092 /* SQUIT an alle Server weiterleiten */
1093 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1095 target = Client_GetFromID( Req->argv[0] );
1098 Log( LOG_ERR, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] );
1102 if( Req->argv[1][0] )
1104 if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
1105 sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
1107 else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client ));
1109 if( Client_Conn( target ) > NONE )
1111 /* dieser Server hat die Connection */
1112 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
1113 else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
1114 return DISCONNECTED;
1118 /* Verbindung hielt anderer Server */
1119 Client_Destroy( target, msg, Req->argv[1] );
1125 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1127 CLIENT *target, *from;
1129 assert( Client != NULL );
1130 assert( Req != NULL );
1132 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1134 /* Falsche Anzahl Parameter? */
1135 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1136 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1138 if( Req->argc == 2 )
1140 /* es wurde ein Ziel-Client angegeben */
1141 target = Client_GetFromID( Req->argv[1] );
1142 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1143 if( target != Client_ThisServer( ))
1146 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1148 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1149 return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1153 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1154 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1158 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1160 CLIENT *target, *from;
1162 assert( Client != NULL );
1163 assert( Req != NULL );
1165 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1167 /* Falsche Anzahl Parameter? */
1168 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1169 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1172 if( Req->argc == 2 )
1174 target = Client_GetFromID( Req->argv[1] );
1175 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1176 if( target != Client_ThisServer( ))
1179 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1181 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1182 return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1186 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1187 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1189 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1190 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1196 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1198 assert( Client != NULL );
1199 assert( Req != NULL );
1201 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1203 /* Falsche Anzahl Parameter? */
1204 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1206 return Show_MOTD( Client );
1210 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1212 BOOLEAN is_member, has_voice, is_op, ok;
1216 assert( Client != NULL );
1217 assert( Req != NULL );
1219 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1221 /* Falsche Anzahl Parameter? */
1222 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1223 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1224 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1226 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1228 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1230 cl = Client_Search( Req->argv[0] );
1233 /* Okay, Ziel ist ein User */
1234 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1235 return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
1238 chan = Channel_Search( Req->argv[0] );
1241 /* Okay, Ziel ist ein Channel */
1242 is_member = has_voice = is_op = FALSE;
1243 if( Channel_IsMemberOf( chan, from ))
1246 if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE;
1247 if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE;
1250 /* pruefen, ob Client in Channel schreiben darf */
1252 if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE;
1253 if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
1255 if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] );
1258 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1259 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1262 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1266 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1270 assert( Client != NULL );
1271 assert( Req != NULL );
1273 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1275 /* Falsche Anzahl Parameter? */
1276 if( Req->argc != 2 ) return CONNECTED;
1278 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1280 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1282 to = Client_Search( Req->argv[0] );
1285 /* Okay, Ziel ist ein User */
1286 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1288 else return CONNECTED;
1292 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1294 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1295 CLIENT *cl, *chan_cl, *prefix;
1299 assert( Client != NULL );
1300 assert( Req != NULL );
1302 cl = chan_cl = prefix = NULL;
1305 /* Valider Client? */
1306 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1308 /* Keine Parameter? */
1309 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1311 /* Ziel suchen: Client bzw. Channel */
1312 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1313 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1315 /* Kein Ziel gefunden? */
1316 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1318 assert(( cl && chan ) != TRUE );
1320 /* Falsche Anzahl Parameter? */
1321 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1322 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1324 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1325 if(( chan ) && (Req->argc == 3 ))
1327 chan_cl = Client_Search( Req->argv[2] );
1328 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1331 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1332 if( Client_Type( Client ) == CLIENT_USER )
1336 /* MODE ist nur fuer sich selber zulaessig! */
1337 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1341 /* Darf der User die Channel-Modes ermitteln? */
1345 /* Werden die Modes "nur" erfragt? */
1346 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1347 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1349 mode_ptr = Req->argv[1];
1351 /* Sollen Modes gesetzt oder geloescht werden? */
1354 if( *mode_ptr == '+' ) set = TRUE;
1355 else if( *mode_ptr == '-' ) set = FALSE;
1356 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1361 if( *mode_ptr == '-' ) set = FALSE;
1363 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1366 /* Prefix fuer Antworten etc. ermitteln */
1367 if( Client_Type( Client ) == CLIENT_SERVER )
1369 prefix = Client_GetFromID( Req->prefix );
1370 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1372 else prefix = Client;
1374 /* Reply-String mit Aenderungen vorbereiten */
1375 if( set ) strcpy( the_modes, "+" );
1376 else strcpy( the_modes, "-" );
1383 if( Client_Type( Client ) == CLIENT_SERVER )
1385 /* Befehl kommt von einem Server, daher
1386 * trauen wir ihm "unbesehen" ... */
1389 if(( cl ) && ( x[0] == 'a' ))
1392 if( set ) Client_SetAway( cl, "Away" );
1393 else Client_SetAway( cl, NULL );
1399 /* Modes validieren */
1410 /* restricted (kann nur gesetzt werden) */
1411 if( set ) x[0] = 'r';
1412 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1415 /* operator (kann nur geloescht werden) */
1418 Client_SetOperByMe( Client, FALSE );
1421 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1424 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1425 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1431 /* Ist der User ein Channel Operator? */
1432 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1434 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1435 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1439 /* Channel-Modes oder Channel-User-Modes */
1442 /* Channel-User-Modes */
1446 /* Channel Operator */
1454 Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
1455 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1473 /* kein Schreiben in den Channel von aussen */
1493 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1494 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1503 if( ! x[0] ) continue;
1505 /* Okay, gueltigen Mode gefunden */
1508 /* Es geht um User-Modes */
1511 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1512 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1516 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1517 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1522 /* Es geht um Channel-Modes oder Channel-User-Modes */
1525 /* Channel-User-Modes */
1528 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1529 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1533 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1534 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1542 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1543 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1547 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1548 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1554 /* Wurden Modes geaendert? */
1560 if( Client_Type( Client ) == CLIENT_SERVER )
1562 /* Modes an andere Server forwarden */
1563 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1567 /* Bestaetigung an Client schicken & andere Server informieren */
1568 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1569 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1571 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1575 /* Channel-Modes oder Channel-User-Mode */
1578 /* Channel-User-Mode */
1579 if( Client_Type( Client ) == CLIENT_SERVER )
1581 /* Modes an andere Server und Channel-User forwarden */
1582 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1583 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1587 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1588 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1589 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1590 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1592 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1597 if( Client_Type( Client ) == CLIENT_SERVER )
1599 /* Modes an andere Server und Channel-User forwarden */
1600 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1601 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1605 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1606 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1607 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1608 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1610 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1619 GLOBAL BOOLEAN IRC_AWAY( CLIENT *Client, REQUEST *Req )
1621 assert( Client != NULL );
1622 assert( Req != NULL );
1624 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1626 /* Falsche Anzahl Parameter? */
1627 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1629 if(( Req->argc == 1 ) && (Req->argv[0][0] ))
1632 Client_SetAway( Client, Req->argv[0] );
1633 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
1634 return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
1639 Client_SetAway( Client, NULL );
1640 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
1641 return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
1646 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1650 assert( Client != NULL );
1651 assert( Req != NULL );
1653 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1655 /* Falsche Anzahl Parameter? */
1656 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1658 /* Operator suchen */
1659 for( i = 0; i < Conf_Oper_Count; i++)
1661 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1663 if( i >= Conf_Oper_Count )
1665 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1666 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1669 /* Stimmt das Passwort? */
1670 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1672 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1673 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1676 if( ! Client_HasMode( Client, 'o' ))
1678 /* noch kein o-Mode gesetzt */
1679 Client_ModeAdd( Client, 'o' );
1680 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1681 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1684 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1686 Client_SetOperByMe( Client, TRUE );
1687 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1691 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1693 assert( Client != NULL );
1694 assert( Req != NULL );
1696 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1698 /* Falsche Anzahl Parameter? */
1699 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1701 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1703 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1709 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1711 assert( Client != NULL );
1712 assert( Req != NULL );
1714 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1716 /* Falsche Anzahl Parameter? */
1717 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1719 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1721 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1722 NGIRCd_Restart = TRUE;
1727 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1729 CHAR rpl[COMMAND_LEN], *ptr;
1730 CLIENT *target, *from, *c;
1733 assert( Client != NULL );
1734 assert( Req != NULL );
1736 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1738 /* Falsche Anzahl Parameter? */
1739 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1741 /* From aus Prefix ermitteln */
1742 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1744 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1746 if( Req->argc == 2 )
1748 /* an anderen Server forwarden */
1749 target = Client_GetFromID( Req->argv[1] );
1750 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1752 if( target != Client_ThisServer( ))
1754 /* Ok, anderer Server ist das Ziel: forwarden */
1755 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
1761 /* bestimmte Channels durchgehen */
1762 ptr = strtok( Req->argv[0], "," );
1765 chan = Channel_Search( ptr );
1768 /* Namen ausgeben */
1769 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1771 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
1773 /* naechsten Namen ermitteln */
1774 ptr = strtok( NULL, "," );
1779 /* alle Channels durchgehen */
1780 chan = Channel_First( );
1783 /* Namen ausgeben */
1784 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1786 /* naechster Channel */
1787 chan = Channel_Next( chan );
1790 /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
1791 c = Client_First( );
1792 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1795 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
1797 /* Okay, das ist ein User: anhaengen */
1798 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
1799 strcat( rpl, Client_ID( c ));
1801 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1803 /* Zeile wird zu lang: senden! */
1804 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1805 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1809 /* naechster Client */
1810 c = Client_Next( c );
1812 if( rpl[strlen( rpl ) - 1] != ':')
1814 /* es wurden User gefunden */
1815 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1818 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
1822 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1824 CHAR rpl[COMMAND_LEN];
1829 assert( Client != NULL );
1830 assert( Req != NULL );
1832 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1834 /* Falsche Anzahl Parameter? */
1835 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1837 strcpy( rpl, RPL_ISON_MSG );
1838 for( i = 0; i < Req->argc; i++ )
1840 ptr = strtok( Req->argv[i], " " );
1844 c = Client_GetFromID( ptr );
1845 if( c && ( Client_Type( c ) == CLIENT_USER ))
1847 /* Dieser Nick ist "online" */
1851 ptr = strtok( NULL, " " );
1854 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1856 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1860 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1862 CLIENT *from, *target, *c;
1863 CHAR str[LINE_LEN + 1], *ptr = NULL;
1867 assert( Client != NULL );
1868 assert( Req != NULL );
1870 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1872 /* Falsche Anzahl Parameter? */
1873 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1876 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1877 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1879 /* Empfaenger des WHOIS suchen */
1880 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1882 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1884 /* Forwarden an anderen Server? */
1887 /* angegebenen Ziel-Server suchen */
1888 target = Client_GetFromID( Req->argv[1] );
1889 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1892 else target = Client_ThisServer( );
1894 assert( target != NULL );
1896 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 );
1898 /* Nick, User und Name */
1899 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1902 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;
1905 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1906 cl2chan = Channel_FirstChannelOf( c );
1909 chan = Channel_GetChannel( cl2chan );
1910 assert( chan != NULL );
1912 /* Channel-Name anhaengen */
1913 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1914 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1915 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1916 strcat( str, Channel_Name( chan ));
1918 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1920 /* Zeile wird zu lang: senden! */
1921 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1922 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1925 /* naechstes Mitglied suchen */
1926 cl2chan = Channel_NextChannelOf( c, cl2chan );
1928 if( str[strlen( str ) - 1] != ':')
1930 /* Es sind noch Daten da, die gesendet werden muessen */
1931 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1935 if( Client_HasMode( c, 'o' ))
1937 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1940 /* Idle (nur lokale Clients) */
1941 if( Client_Conn( c ) > NONE )
1943 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1947 if( Client_HasMode( c, 'a' ))
1949 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
1953 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1957 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1959 CHAR rpl[COMMAND_LEN];
1963 assert( Client != NULL );
1964 assert( Req != NULL );
1966 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1968 /* Falsche Anzahl Parameter? */
1969 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1971 if( Req->argc > 5 ) max = 5;
1972 else max = Req->argc;
1974 strcpy( rpl, RPL_USERHOST_MSG );
1975 for( i = 0; i < max; i++ )
1977 c = Client_GetFromID( Req->argv[i] );
1978 if( c && ( Client_Type( c ) == CLIENT_USER ))
1980 /* Dieser Nick ist "online" */
1981 strcat( rpl, Client_ID( c ));
1982 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1984 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1985 else strcat( rpl, "+" );
1986 strcat( rpl, Client_User( c ));
1988 strcat( rpl, Client_Hostname( c ));
1992 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1994 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1995 } /* IRC_USERHOST */
1998 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
2000 assert( Client != NULL );
2001 assert( Req != NULL );
2003 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
2004 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
2010 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
2012 CLIENT *target, *from;
2014 assert( Client != NULL );
2015 assert( Req != NULL );
2017 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2019 /* Falsche Anzahl Parameter? */
2020 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2022 /* Absender ermitteln */
2023 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
2025 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2027 /* An anderen Server forwarden? */
2028 if( Req->argc == 2 )
2030 target = Client_GetFromID( Req->argv[1] );
2031 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
2032 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
2035 /* Wer ist der Absender? */
2036 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2037 else target = Client;
2038 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2040 Send_LUSERS( target );
2046 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
2048 CLIENT *target, *from, *c;
2051 assert( Client != NULL );
2052 assert( Req != NULL );
2054 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2056 /* Falsche Anzahl Parameter? */
2057 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2059 /* Server-Mask ermitteln */
2060 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
2063 /* Absender ermitteln */
2064 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
2066 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2068 /* An anderen Server forwarden? */
2069 if( Req->argc == 2 )
2071 target = Client_GetFromID( Req->argv[0] );
2072 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2073 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
2076 /* Wer ist der Absender? */
2077 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2078 else target = Client;
2079 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2081 c = Client_First( );
2084 if( Client_Type( c ) == CLIENT_SERVER )
2086 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;
2088 c = Client_Next( c );
2091 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
2095 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
2097 CHAR *channame, *flags, modes[8];
2098 BOOLEAN is_new_chan;
2102 assert( Client != NULL );
2103 assert( Req != NULL );
2105 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2107 /* Falsche Anzahl Parameter? */
2108 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2110 /* Wer ist der Absender? */
2111 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2112 else target = Client;
2113 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2115 /* Channel-Namen durchgehen */
2116 channame = strtok( Req->argv[0], "," );
2119 /* wird der Channel neu angelegt? */
2122 if( Channel_Search( channame )) is_new_chan = FALSE;
2123 else is_new_chan = TRUE;
2125 /* Hat ein Server Channel-User-Modes uebergeben? */
2126 if( Client_Type( Client ) == CLIENT_SERVER )
2128 /* Channel-Flags extrahieren */
2129 flags = strchr( channame, 0x7 );
2130 if( flags ) *flags++ = '\0';
2133 /* neuer Channel udn lokaler Client? */
2134 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
2136 /* Dann soll der Client Channel-Operator werden! */
2140 /* Channel joinen (und ggf. anlegen) */
2141 if( ! Channel_Join( target, channame ))
2143 /* naechsten Namen ermitteln */
2144 channame = strtok( NULL, "," );
2147 chan = Channel_Search( channame );
2148 assert( chan != NULL );
2150 /* Modes setzen (wenn vorhanden) */
2151 while( flags && *flags )
2153 Channel_UserModeAdd( chan, target, *flags );
2157 /* Muessen Modes an andere Server gemeldet werden? */
2158 strcpy( &modes[1], Channel_UserModes( chan, target ));
2159 if( modes[1] ) modes[0] = 0x7;
2160 else modes[0] = '\0';
2162 /* An andere Server weiterleiten */
2163 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2165 /* im Channel bekannt machen */
2166 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2169 /* Modes im Channel bekannt machen */
2170 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2173 if( Client_Type( Client ) == CLIENT_USER )
2175 /* an Client bestaetigen */
2176 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2178 /* Topic an Client schicken */
2179 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2181 /* Mitglieder an Client Melden */
2182 Send_NAMES( Client, chan );
2183 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
2186 /* naechsten Namen ermitteln */
2187 channame = strtok( NULL, "," );
2193 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2198 assert( Client != NULL );
2199 assert( Req != NULL );
2201 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2203 /* Falsche Anzahl Parameter? */
2204 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2206 /* Wer ist der Absender? */
2207 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2208 else target = Client;
2209 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2211 /* Channel-Namen durchgehen */
2212 chan = strtok( Req->argv[0], "," );
2215 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2217 /* naechsten Namen ermitteln */
2218 chan = strtok( NULL, "," );
2222 /* naechsten Namen ermitteln */
2223 chan = strtok( NULL, "," );
2229 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2231 CLIENT *target, *prefix;
2233 assert( Client != NULL );
2234 assert( Req != NULL );
2236 /* Falsche Anzahl Parameter? */
2237 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2240 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2241 else target = Client_ThisServer( );
2243 /* Prefix ermitteln */
2244 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2245 else prefix = Client;
2246 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2248 /* An anderen Server weiterleiten? */
2249 if( target != Client_ThisServer( ))
2251 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2254 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
2258 /* mit Versionsinfo antworten */
2259 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2263 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2267 assert( Client != NULL );
2268 assert( Req != NULL );
2270 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2272 /* Falsche Anzahl Parameter? */
2273 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2275 prefix = Client_GetFromID( Req->prefix );
2278 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2279 prefix = Client_ThisServer( );
2282 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2284 /* andere Server benachrichtigen */
2285 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2287 /* haben wir selber einen solchen Client? */
2288 c = Client_GetFromID( Req->argv[0] );
2289 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2295 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2297 assert( Client != NULL );
2299 /* Passwort ueberpruefen */
2300 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2302 /* Falsches Passwort */
2303 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2304 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2305 return DISCONNECTED;
2308 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2310 /* Andere Server informieren */
2311 IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
2313 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2314 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2315 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2316 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2318 Client_SetType( Client, CLIENT_USER );
2320 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2321 if( ! Show_MOTD( Client )) return DISCONNECTED;
2327 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2333 assert( Client != NULL );
2335 fd = fopen( Conf_MotdFile, "r" );
2338 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2339 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2342 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2345 if( ! fgets( line, 126, fd )) break;
2346 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2347 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2353 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2361 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2365 assert( Nick != NULL );
2366 assert( Reason != NULL );
2368 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2370 /* andere Server benachrichtigen */
2371 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2373 /* Ggf. einen eigenen Client toeten */
2374 c = Client_GetFromID( Nick );
2375 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2379 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2381 BOOLEAN is_visible, is_member;
2382 CHAR str[LINE_LEN + 1];
2386 assert( Client != NULL );
2387 assert( Chan != NULL );
2389 if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
2390 else is_member = FALSE;
2392 /* Alle Mitglieder suchen */
2393 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2394 cl2chan = Channel_FirstMember( Chan );
2397 cl = Channel_GetClient( cl2chan );
2399 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
2400 else is_visible = TRUE;
2402 if( is_member || is_visible )
2404 /* Nick anhaengen */
2405 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2406 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2407 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2408 strcat( str, Client_ID( cl ));
2410 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2412 /* Zeile wird zu lang: senden! */
2413 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2414 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2418 /* naechstes Mitglied suchen */
2419 cl2chan = Channel_NextMember( Chan, cl2chan );
2421 if( str[strlen( str ) - 1] != ':')
2423 /* Es sind noch Daten da, die gesendet werden muessen */
2424 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2431 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2435 assert( Client != NULL );
2437 /* Users, Services und Serevr im Netz */
2438 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2440 /* IRC-Operatoren im Netz */
2441 cnt = Client_OperCount( );
2444 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2447 /* Unbekannt Verbindungen */
2448 cnt = Client_UnknownCount( );
2451 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2454 /* Channels im Netz */
2455 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2457 /* Channels im Netz */
2458 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2464 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2466 assert( Target != NULL );
2467 assert( Client != NULL );
2469 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2470 else return Client_Mask( Client );