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 1.66 2002/02/23 21:39:48 alex Exp $
17 * Revision 1.66 2002/02/23 21:39:48 alex
18 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
20 * Revision 1.65 2002/02/23 00:03:54 alex
21 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
23 * Revision 1.64 2002/02/19 20:06:45 alex
24 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
25 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
27 * Revision 1.63 2002/02/19 02:21:17 alex
28 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
29 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
31 * Revision 1.62 2002/02/17 23:38:58 alex
32 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
34 * Revision 1.61 2002/02/17 19:03:12 alex
35 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
37 * Revision 1.60 2002/02/17 17:43:14 alex
38 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
40 * Revision 1.59 2002/02/17 17:30:21 alex
41 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
42 * - Neue Funktion IRC_WriteStrRelatedPrefix().
44 * Revision 1.58 2002/02/17 17:18:59 alex
47 * Revision 1.57 2002/02/13 23:05:29 alex
48 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
50 * Revision 1.56 2002/02/13 17:52:27 alex
51 * - es werden nun Channel- und User-Modes von Usern angenommen.
53 * Revision 1.55 2002/02/12 14:40:37 alex
54 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
56 * Revision 1.54 2002/02/11 23:33:35 alex
57 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
59 * Revision 1.53 2002/02/11 16:06:21 alex
60 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
62 * Revision 1.52 2002/02/11 15:52:21 alex
63 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
64 * - Channel-Modes wurden falsch geliefert (als User-Modes).
66 * Revision 1.51 2002/02/11 15:15:53 alex
67 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
68 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
70 * Revision 1.50 2002/02/11 01:03:20 alex
71 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
72 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
73 * angelegt wird, werden Channel-Operator, etc. pp. ...
74 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
76 * Revision 1.49 2002/02/06 16:51:22 alex
77 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
79 * Revision 1.48 2002/01/29 00:13:45 alex
80 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
81 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
82 * LINKS wieder korrekt.
84 * Revision 1.47 2002/01/28 13:05:48 alex
85 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
86 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
88 * Revision 1.46 2002/01/28 01:45:43 alex
89 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
91 * Revision 1.45 2002/01/28 01:18:14 alex
92 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
94 * Revision 1.44 2002/01/28 00:55:08 alex
95 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
97 * Revision 1.43 2002/01/27 21:56:39 alex
98 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
99 * - einige kleinere Fixes bezueglich Channels ...
101 * Revision 1.42 2002/01/27 18:28:01 alex
102 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
104 * Revision 1.41 2002/01/27 17:15:49 alex
105 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
106 * IRC_WriteStrChannelPrefix(),
107 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
109 * Revision 1.40 2002/01/26 18:43:11 alex
110 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
111 * die IRC_Write_xxx_Related() sind dafuer entfallen.
112 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
114 * Revision 1.39 2002/01/21 00:05:11 alex
115 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
116 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
117 * - diverse Aenderungen im Zusammenhang mit Channels.
119 * Revision 1.38 2002/01/18 15:31:32 alex
120 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
122 * Revision 1.37 2002/01/16 22:10:18 alex
123 * - IRC_LUSERS() implementiert.
125 * Revision 1.36 2002/01/11 23:50:55 alex
126 * - LINKS implementiert, LUSERS begonnen.
128 * Revision 1.35 2002/01/09 21:30:45 alex
129 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
131 * Revision 1.34 2002/01/09 01:09:58 alex
132 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
133 * - andere Server werden nun ueber bisherige Server und User informiert.
135 * Revision 1.33 2002/01/07 23:42:12 alex
136 * - Es werden fuer alle Server eigene Token generiert,
137 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
138 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
140 * Revision 1.32 2002/01/07 16:02:36 alex
141 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
142 * - Im Debug-Mode werden nun auch PING's protokolliert.
144 * Revision 1.31 2002/01/07 15:39:46 alex
145 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
146 * - MODE und NICK melden nun die Aenderungen an andere Server.
148 * Revision 1.30 2002/01/06 15:21:29 alex
149 * - Loglevel und Meldungen nochmals ueberarbeitet.
150 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
151 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
153 * Revision 1.29 2002/01/05 23:24:54 alex
154 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
155 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
157 * Revision 1.28 2002/01/05 20:08:02 alex
158 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
159 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
161 * Revision 1.27 2002/01/05 19:15:03 alex
162 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
164 * Revision 1.26 2002/01/05 16:51:18 alex
165 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
167 * Revision 1.25 2002/01/05 00:48:33 alex
168 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
170 * Revision 1.24 2002/01/04 17:58:44 alex
171 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
172 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
174 * Revision 1.23 2002/01/04 01:36:40 alex
175 * - Loglevel ein wenig angepasst.
177 * Revision 1.22 2002/01/04 01:21:47 alex
178 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
179 * - Weitere Anpassungen und Erweiterungen der Server-Links.
181 * Revision 1.21 2002/01/03 02:26:51 alex
182 * - neue Befehle SERVER und NJOIN begonnen,
183 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
185 * Revision 1.20 2002/01/02 12:46:41 alex
186 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
188 * Revision 1.19 2002/01/02 02:51:39 alex
189 * - Copyright-Texte angepasst.
190 * - neuer Befehl "ERROR".
192 * Revision 1.17 2001/12/31 15:33:13 alex
193 * - neuer Befehl NAMES, kleinere Bugfixes.
194 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
196 * Revision 1.16 2001/12/31 02:18:51 alex
197 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
198 * - neuen Header "defines.h" mit (fast) allen Konstanten.
199 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
201 * Revision 1.15 2001/12/30 19:26:11 alex
202 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
204 * Revision 1.14 2001/12/30 11:42:00 alex
205 * - der Server meldet nun eine ordentliche "Start-Zeit".
207 * Revision 1.13 2001/12/29 03:10:06 alex
208 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
209 * - neue configure-Optione "--enable-strict-rfc".
211 * Revision 1.12 2001/12/27 19:17:26 alex
212 * - neue Befehle PRIVMSG, NOTICE, PING.
214 * Revision 1.11 2001/12/27 16:55:41 alex
215 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
217 * Revision 1.10 2001/12/26 22:48:53 alex
218 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
220 * Revision 1.9 2001/12/26 14:45:37 alex
223 * Revision 1.8 2001/12/26 03:21:46 alex
224 * - PING/PONG-Befehle implementiert,
225 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
227 * Revision 1.7 2001/12/25 23:25:18 alex
228 * - und nochmal Aenderungen am Logging ;-)
230 * Revision 1.6 2001/12/25 23:13:33 alex
231 * - Debug-Meldungen angepasst.
233 * Revision 1.5 2001/12/25 22:02:42 alex
234 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
236 * Revision 1.4 2001/12/25 19:19:30 alex
237 * - bessere Fehler-Abfragen, diverse Bugfixes.
238 * - Nicks werden nur einmal vergeben :-)
239 * - /MOTD wird unterstuetzt.
241 * Revision 1.3 2001/12/24 01:34:06 alex
242 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
243 * - MOTD-Ausgabe begonnen zu implementieren.
245 * Revision 1.2 2001/12/23 21:57:16 alex
246 * - erste IRC-Befehle zu implementieren begonnen.
248 * Revision 1.1 2001/12/14 08:13:43 alex
249 * - neues Modul begonnen :-)
270 #include "messages.h"
278 #define CONNECTED TRUE
279 #define DISCONNECTED FALSE
282 LOCAL BOOLEAN Hello_User( CLIENT *Client );
283 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
285 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
287 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
288 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
291 GLOBAL VOID IRC_Init( VOID )
296 GLOBAL VOID IRC_Exit( VOID )
301 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
304 BOOLEAN ok = CONNECTED;
307 assert( Client != NULL );
308 assert( Format != NULL );
310 va_start( ap, Format );
311 vsnprintf( buffer, 1000, Format, ap );
314 /* an den Client selber */
315 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
318 } /* IRC_WriteStrClient */
321 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
323 /* Text an Clients, lokal bzw. remote, senden. */
328 assert( Client != NULL );
329 assert( Format != NULL );
330 assert( Prefix != NULL );
332 va_start( ap, Format );
333 vsnprintf( buffer, 1000, Format, ap );
336 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
337 } /* IRC_WriteStrClientPrefix */
340 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
345 assert( Client != NULL );
346 assert( Format != NULL );
348 va_start( ap, Format );
349 vsnprintf( buffer, 1000, Format, ap );
352 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
353 } /* IRC_WriteStrChannel */
356 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
359 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
365 assert( Client != NULL );
366 assert( Chan != NULL );
367 assert( Prefix != NULL );
368 assert( Format != NULL );
370 va_start( ap, Format );
371 vsnprintf( buffer, 1000, Format, ap );
374 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
376 /* An alle Clients, die in den selben Channels sind.
377 * Dabei aber nur einmal je Remote-Server */
378 cl2chan = Channel_FirstMember( Chan );
381 c = Channel_GetClient( cl2chan );
384 if( Client_Conn( c ) <= NONE ) c = NULL;
385 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
387 if( c ) c = Client_NextHop( c );
389 if( c && ( c != Client ))
391 /* Ok, anderer Client */
392 s = Client_Conn( c );
394 assert( s < MAX_CONNECTIONS );
397 cl2chan = Channel_NextMember( Chan, cl2chan );
401 for( i = 0; i < MAX_CONNECTIONS; i++ )
405 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
410 } /* IRC_WriteStrChannelPrefix */
413 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
418 assert( Format != NULL );
420 va_start( ap, Format );
421 vsnprintf( buffer, 1000, Format, ap );
424 /* an den Client selber */
425 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
426 } /* IRC_WriteStrServers */
429 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
435 assert( Format != NULL );
436 assert( Prefix != NULL );
438 va_start( ap, Format );
439 vsnprintf( buffer, 1000, Format, ap );
445 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
447 /* Ziel-Server gefunden */
448 IRC_WriteStrClientPrefix( c, Prefix, buffer );
450 c = Client_Next( c );
452 } /* IRC_WriteStrServersPrefix */
455 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
457 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
458 CL2CHAN *chan_cl2chan, *cl2chan;
465 assert( Client != NULL );
466 assert( Prefix != NULL );
467 assert( Format != NULL );
469 va_start( ap, Format );
470 vsnprintf( buffer, 1000, Format, ap );
474 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
476 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
477 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
478 chan_cl2chan = Channel_FirstChannelOf( Client );
479 while( chan_cl2chan )
481 /* Channel des Users durchsuchen */
482 chan = Channel_GetChannel( chan_cl2chan );
483 cl2chan = Channel_FirstMember( chan );
486 c = Channel_GetClient( cl2chan );
489 if( Client_Conn( c ) <= NONE ) c = NULL;
490 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
492 if( c ) c = Client_NextHop( c );
494 if( c && ( c != Client ))
496 /* Ok, anderer Client */
497 s = Client_Conn( c );
499 assert( s < MAX_CONNECTIONS );
502 cl2chan = Channel_NextMember( chan, cl2chan );
505 /* naechsten Channel */
506 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
510 for( i = 0; i < MAX_CONNECTIONS; i++ )
514 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
519 } /* IRC_WriteStrRelatedPrefix */
523 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
525 assert( Client != NULL );
526 assert( Req != NULL );
528 /* Fehler liefern, wenn kein lokaler Client */
529 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
531 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
533 /* noch nicht registrierte unbekannte Verbindung */
534 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
536 /* Passwort speichern */
537 Client_SetPassword( Client, Req->argv[0] );
539 Client_SetType( Client, CLIENT_GOTPASS );
542 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
544 /* noch nicht registrierte Server-Verbindung */
545 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
547 /* Passwort speichern */
548 Client_SetPassword( Client, Req->argv[0] );
550 Client_SetType( Client, CLIENT_GOTPASSSERVER );
553 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
555 /* Falsche Anzahl Parameter? */
556 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
558 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
562 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
564 CHAR str[LINE_LEN], *ptr;
565 CLIENT *from, *c, *cl;
571 assert( Client != NULL );
572 assert( Req != NULL );
574 /* Fehler liefern, wenn kein lokaler Client */
575 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
577 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
579 /* Verbindung soll als Server-Server-Verbindung registriert werden */
580 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
582 /* Falsche Anzahl Parameter? */
583 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
585 /* Ist dieser Server bei uns konfiguriert? */
586 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
587 if( i >= Conf_Server_Count )
589 /* Server ist nicht konfiguriert! */
590 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
591 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
594 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
596 /* Falsches Passwort */
597 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
598 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
602 /* Ist ein Server mit dieser ID bereits registriert? */
603 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
605 /* Server-Strukturen fuellen ;-) */
606 Client_SetID( Client, Req->argv[0] );
607 Client_SetHops( Client, 1 );
608 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
610 /* Meldet sich der Server bei uns an? */
613 /* Unseren SERVER- und PASS-Befehl senden */
615 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
616 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
619 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
622 Client_SetIntroducer( Client, Client );
623 Client_SetToken( Client, 1 );
625 else Client_SetToken( Client, atoi( Req->argv[1] ));
627 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
629 Client_SetType( Client, CLIENT_SERVER );
631 /* maximalen Hop Count ermitteln */
636 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
637 c = Client_Next( c );
640 /* Alle bisherigen Server dem neuen Server bekannt machen,
641 * die bisherigen Server ueber den neuen informierenn */
642 for( i = 0; i < ( max_hops + 1 ); i++ )
647 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
649 if( Client_Conn( c ) > NONE )
651 /* Dem gefundenen Server gleich den neuen
652 * Server bekannt machen */
653 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
656 /* Den neuen Server ueber den alten informieren */
657 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;
659 c = Client_Next( c );
663 /* alle User dem neuen Server bekannt machen */
667 if( Client_Type( c ) == CLIENT_USER )
669 /* User an neuen Server melden */
670 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;
672 c = Client_Next( c );
675 /* Channels dem neuen Server bekannt machen */
676 chan = Channel_First( );
679 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
681 /* alle Member suchen */
682 cl2chan = Channel_FirstMember( chan );
685 cl = Channel_GetClient( cl2chan );
686 assert( cl != NULL );
688 /* Nick, ggf. mit Modes, anhaengen */
689 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
690 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
691 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
692 strcat( str, Client_ID( cl ));
694 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
697 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
698 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
701 cl2chan = Channel_NextMember( chan, cl2chan );
705 if( str[strlen( str ) - 1] != ':')
707 /* Ja; Also senden ... */
708 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
711 /* naechsten Channel suchen */
712 chan = Channel_Next( chan );
717 else if( Client_Type( Client ) == CLIENT_SERVER )
719 /* Neuer Server wird im Netz angekuendigt */
721 /* Falsche Anzahl Parameter? */
722 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
724 /* Ist ein Server mit dieser ID bereits registriert? */
725 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
727 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
728 ptr = strchr( Req->argv[3] + 2, '[' );
729 if( ! ptr ) ptr = Req->argv[3];
731 from = Client_GetFromID( Req->prefix );
734 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
735 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
736 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
740 /* Neue Client-Struktur anlegen */
741 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
744 /* Neue Client-Struktur konnte nicht angelegt werden */
745 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
746 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
750 /* Log-Meldung zusammenbauen und ausgeben */
751 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
752 else strcpy( str, "" );
753 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": "" );
755 /* Andere Server informieren */
756 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
760 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
764 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
766 CHAR *channame, *ptr, modes[8];
767 BOOLEAN is_op, is_voiced;
771 assert( Client != NULL );
772 assert( Req != NULL );
774 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
776 /* Falsche Anzahl Parameter? */
777 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
779 channame = Req->argv[0];
780 ptr = strtok( Req->argv[1], "," );
783 is_op = is_voiced = FALSE;
785 /* Prefixe abschneiden */
786 while(( *ptr == '@' ) || ( *ptr == '+' ))
788 if( *ptr == '@' ) is_op = TRUE;
789 if( *ptr == '+' ) is_voiced = TRUE;
793 c = Client_GetFromID( ptr );
796 Channel_Join( c, channame );
797 chan = Channel_Search( channame );
798 assert( chan != NULL );
800 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
801 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
803 /* im Channel bekannt machen */
804 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
806 /* Channel-User-Modes setzen */
807 strcpy( modes, Channel_UserModes( chan, c ));
810 /* Modes im Channel bekannt machen */
811 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
814 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
816 /* naechsten Nick suchen */
817 ptr = strtok( NULL, "," );
820 /* an andere Server weiterleiten */
821 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
827 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
829 CLIENT *intr_c, *target, *c;
832 assert( Client != NULL );
833 assert( Req != NULL );
835 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
837 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 ))
839 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 ))
842 /* User-Registrierung bzw. Nick-Aenderung */
844 /* Falsche Anzahl Parameter? */
845 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
847 /* "Ziel-Client" ermitteln */
848 if( Client_Type( Client ) == CLIENT_SERVER )
850 target = Client_GetFromID( Req->prefix );
851 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
855 /* Ist der Client "restricted"? */
856 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
861 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
862 * wir nichts. So macht es das Original und mind. Snak hat probleme,
863 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
864 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
867 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
868 * will nur die Gross- und Kleinschreibung aendern. Das darf
869 * er natuerlich machen :-) */
870 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
872 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
875 /* Nick-Aenderung: allen mitteilen! */
877 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
878 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
879 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
881 /* Client-Nick registrieren */
882 Client_SetID( target, Req->argv[0] );
884 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
887 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
888 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
889 else Client_SetType( Client, CLIENT_GOTNICK );
891 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
895 else if( Client_Type( Client ) == CLIENT_SERVER )
897 /* Server fuehrt neuen Client ein */
899 /* Falsche Anzahl Parameter? */
900 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
902 /* Nick ueberpruefen */
903 c = Client_GetFromID( Req->argv[0] );
906 /* Der neue Nick ist auf diesem Server bereits registriert:
907 * sowohl der neue, als auch der alte Client muessen nun
908 * disconnectiert werden. */
909 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
910 Kill_Nick( Req->argv[0], "Nick collision" );
914 /* Server, zu dem der Client connectiert ist, suchen */
915 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
918 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
919 Kill_Nick( Req->argv[0], "Unknown server" );
923 /* Neue Client-Struktur anlegen */
924 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 );
927 /* Eine neue Client-Struktur konnte nicht angelegt werden.
928 * Der Client muss disconnectiert werden, damit der Netz-
929 * status konsistent bleibt. */
930 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
931 Kill_Nick( Req->argv[0], "Server error" );
935 modes = Client_Modes( c );
936 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": "" );
937 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": "" );
939 /* Andere Server, ausser dem Introducer, informieren */
940 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] );
944 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
948 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
950 assert( Client != NULL );
951 assert( Req != NULL );
954 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
956 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
959 /* Falsche Anzahl Parameter? */
960 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
962 Client_SetUser( Client, Req->argv[0], FALSE );
963 Client_SetInfo( Client, Req->argv[3] );
965 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
966 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
967 else Client_SetType( Client, CLIENT_GOTUSER );
970 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
972 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
974 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
978 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
982 assert( Client != NULL );
983 assert( Req != NULL );
985 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
989 /* Falsche Anzahl Parameter? */
990 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
992 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
993 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
997 else if ( Client_Type( Client ) == CLIENT_SERVER )
1001 /* Falsche Anzahl Parameter? */
1002 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1004 target = Client_Search( Req->prefix );
1007 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1011 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1012 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1016 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1020 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1024 assert( Client != NULL );
1025 assert( Req != NULL );
1027 /* SQUIT ist nur fuer Server erlaubt */
1028 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1030 /* Falsche Anzahl Parameter? */
1031 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1033 target = Client_GetFromID( Req->argv[0] );
1036 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1040 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1041 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1043 /* SQUIT an alle Server weiterleiten */
1044 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1046 if( Client_Conn( target ) > NONE )
1048 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1049 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1050 return DISCONNECTED;
1054 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1060 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1062 CLIENT *target, *from;
1064 assert( Client != NULL );
1065 assert( Req != NULL );
1067 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1069 /* Falsche Anzahl Parameter? */
1070 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1071 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1073 if( Req->argc == 2 )
1075 /* es wurde ein Ziel-Client angegeben */
1076 target = Client_GetFromID( Req->argv[1] );
1077 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1078 if( target != Client_ThisServer( ))
1081 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1083 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1084 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1088 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1089 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1093 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1095 CLIENT *target, *from;
1097 assert( Client != NULL );
1098 assert( Req != NULL );
1100 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1102 /* Falsche Anzahl Parameter? */
1103 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1104 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1107 if( Req->argc == 2 )
1109 target = Client_GetFromID( Req->argv[1] );
1110 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1111 if( target != Client_ThisServer( ))
1114 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1116 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1117 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1121 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1122 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1124 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 )));
1125 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1131 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1133 assert( Client != NULL );
1134 assert( Req != NULL );
1136 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1138 /* Falsche Anzahl Parameter? */
1139 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1141 return Show_MOTD( Client );
1145 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1150 assert( Client != NULL );
1151 assert( Req != NULL );
1153 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1155 /* Falsche Anzahl Parameter? */
1156 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1157 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1158 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1160 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1162 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1164 to = Client_Search( Req->argv[0] );
1167 /* Okay, Ziel ist ein User */
1168 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1169 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1172 chan = Channel_Search( Req->argv[0] );
1175 /* Okay, Ziel ist ein Channel */
1176 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1177 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1180 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1184 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1188 assert( Client != NULL );
1189 assert( Req != NULL );
1191 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1193 /* Falsche Anzahl Parameter? */
1194 if( Req->argc != 2 ) return CONNECTED;
1196 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1198 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1200 to = Client_Search( Req->argv[0] );
1203 /* Okay, Ziel ist ein User */
1204 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1206 else return CONNECTED;
1210 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1212 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1213 CLIENT *cl, *chan_cl, *prefix;
1217 assert( Client != NULL );
1218 assert( Req != NULL );
1220 cl = chan_cl = prefix = NULL;
1223 /* Valider Client? */
1224 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1226 /* Keine Parameter? */
1227 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1229 /* Ziel suchen: Client bzw. Channel */
1230 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1231 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1233 /* Kein Ziel gefunden? */
1234 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1236 assert(( cl && chan ) != TRUE );
1238 /* Falsche Anzahl Parameter? */
1239 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1240 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1242 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1243 if(( chan ) && (Req->argc == 3 ))
1245 chan_cl = Client_Search( Req->argv[2] );
1246 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1249 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1250 if( Client_Type( Client ) == CLIENT_USER )
1254 /* MODE ist nur fuer sich selber zulaessig! */
1255 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1259 /* Darf der User die Channel-Modes ermitteln? */
1263 /* Werden die Modes "nur" erfragt? */
1264 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1265 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1267 mode_ptr = Req->argv[1];
1269 /* Sollen Modes gesetzt oder geloescht werden? */
1272 if( *mode_ptr == '+' ) set = TRUE;
1273 else if( *mode_ptr == '-' ) set = FALSE;
1274 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1279 if( *mode_ptr == '-' ) set = FALSE;
1281 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1284 /* Prefix fuer Antworten etc. ermitteln */
1285 if( Client_Type( Client ) == CLIENT_SERVER )
1287 prefix = Client_GetFromID( Req->prefix );
1288 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1290 else prefix = Client;
1292 /* Reply-String mit Aenderungen vorbereiten */
1293 if( set ) strcpy( the_modes, "+" );
1294 else strcpy( the_modes, "-" );
1301 if( Client_Type( Client ) == CLIENT_SERVER )
1303 /* Befehl kommt von einem Server, daher
1304 * trauen wir ihm "unbesehen" ... */
1309 /* Modes validieren */
1320 /* restricted (kann nur gesetzt werden) */
1321 if( set ) x[0] = 'r';
1322 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1325 /* operator (kann nur geloescht werden) */
1328 Client_SetOperByMe( Client, FALSE );
1331 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1334 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1335 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1341 /* Ist der User ein Channel Operator? */
1342 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1344 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1345 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1349 /* Channel-Modes oder Channel-User-Modes */
1352 /* Channel-User-Modes */
1356 /* Channel Operator */
1364 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 ));
1365 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1383 /* kein Schreiben in den Channel von aussen */
1403 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1404 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1413 if( ! x[0] ) continue;
1415 /* Okay, gueltigen Mode gefunden */
1418 /* Es geht um User-Modes */
1421 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1422 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1426 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1427 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1432 /* Es geht um Channel-Modes oder Channel-User-Modes */
1435 /* Channel-User-Modes */
1438 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1439 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1443 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1444 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1452 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1453 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1457 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1458 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1464 /* Wurden Modes geaendert? */
1470 if( Client_Type( Client ) == CLIENT_SERVER )
1472 /* Modes an andere Server forwarden */
1473 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1477 /* Bestaetigung an Client schicken & andere Server informieren */
1478 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1479 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1481 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1485 /* Channel-Modes oder Channel-User-Mode */
1488 /* Channel-User-Mode */
1489 if( Client_Type( Client ) == CLIENT_SERVER )
1491 /* Modes an andere Server und Channel-User forwarden */
1492 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1493 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1497 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1498 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1499 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1500 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1502 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1507 if( Client_Type( Client ) == CLIENT_SERVER )
1509 /* Modes an andere Server und Channel-User forwarden */
1510 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1511 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1515 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1516 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1517 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1518 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1520 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1529 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1533 assert( Client != NULL );
1534 assert( Req != NULL );
1536 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1538 /* Falsche Anzahl Parameter? */
1539 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1541 /* Operator suchen */
1542 for( i = 0; i < Conf_Oper_Count; i++)
1544 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1546 if( i >= Conf_Oper_Count )
1548 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1549 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1552 /* Stimmt das Passwort? */
1553 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1555 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1556 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1559 if( ! Client_HasMode( Client, 'o' ))
1561 /* noch kein o-Mode gesetzt */
1562 Client_ModeAdd( Client, 'o' );
1563 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1564 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1567 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1569 Client_SetOperByMe( Client, TRUE );
1570 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1574 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1576 assert( Client != NULL );
1577 assert( Req != NULL );
1579 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1581 /* Falsche Anzahl Parameter? */
1582 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1584 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1586 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1592 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1594 assert( Client != NULL );
1595 assert( Req != NULL );
1597 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1599 /* Falsche Anzahl Parameter? */
1600 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1602 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1604 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1605 NGIRCd_Restart = TRUE;
1610 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1612 CHAR rpl[COMMAND_LEN];
1615 assert( Client != NULL );
1616 assert( Req != NULL );
1618 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1620 /* Falsche Anzahl Parameter? */
1621 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1623 /* Noch alle User ausgeben, die in keinem Channel sind */
1625 c = Client_First( );
1628 if( Client_Type( c ) == CLIENT_USER )
1630 /* Okay, das ist ein User */
1631 strcat( rpl, Client_ID( c ));
1635 /* Antwort zu lang? Splitten. */
1636 if( strlen( rpl ) > 480 )
1638 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1639 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1643 c = Client_Next( c );
1647 /* es wurden User gefunden */
1648 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1649 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1651 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1655 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1657 CHAR rpl[COMMAND_LEN];
1662 assert( Client != NULL );
1663 assert( Req != NULL );
1665 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1667 /* Falsche Anzahl Parameter? */
1668 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1670 strcpy( rpl, RPL_ISON_MSG );
1671 for( i = 0; i < Req->argc; i++ )
1673 ptr = strtok( Req->argv[i], " " );
1677 c = Client_GetFromID( ptr );
1678 if( c && ( Client_Type( c ) == CLIENT_USER ))
1680 /* Dieser Nick ist "online" */
1684 ptr = strtok( NULL, " " );
1687 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1689 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1693 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1695 CLIENT *from, *target, *c;
1696 CHAR str[LINE_LEN + 1], *ptr = NULL;
1700 assert( Client != NULL );
1701 assert( Req != NULL );
1703 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1705 /* Falsche Anzahl Parameter? */
1706 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1709 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1710 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1712 /* Empfaenger des WHOIS suchen */
1713 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1715 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1717 /* Forwarden an anderen Server? */
1720 /* angegebenen Ziel-Server suchen */
1721 target = Client_GetFromID( Req->argv[1] );
1722 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1726 else if( Client_Conn( c ) == NONE )
1728 /* Client ist nicht von uns. Ziel-Server suchen */
1735 if( target && ( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
1737 /* Nick, User und Name */
1738 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1741 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;
1744 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1745 cl2chan = Channel_FirstChannelOf( c );
1748 chan = Channel_GetChannel( cl2chan );
1749 assert( chan != NULL );
1751 /* Channel-Name anhaengen */
1752 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1753 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1754 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1755 strcat( str, Channel_Name( chan ));
1757 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1759 /* Zeile wird zu lang: senden! */
1760 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1761 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1764 /* naechstes Mitglied suchen */
1765 cl2chan = Channel_NextChannelOf( c, cl2chan );
1767 if( str[strlen( str ) - 1] != ':')
1769 /* Es sind noch Daten da, die gesendet werden muessen */
1770 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1774 if( Client_HasMode( c, 'o' ))
1776 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1779 /* Idle (nur lokale Clients) */
1780 if( Client_Conn( c ) > NONE )
1782 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1786 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1790 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1792 CHAR rpl[COMMAND_LEN];
1796 assert( Client != NULL );
1797 assert( Req != NULL );
1799 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1801 /* Falsche Anzahl Parameter? */
1802 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1804 if( Req->argc > 5 ) max = 5;
1805 else max = Req->argc;
1807 strcpy( rpl, RPL_USERHOST_MSG );
1808 for( i = 0; i < max; i++ )
1810 c = Client_GetFromID( Req->argv[i] );
1811 if( c && ( Client_Type( c ) == CLIENT_USER ))
1813 /* Dieser Nick ist "online" */
1814 strcat( rpl, Client_ID( c ));
1815 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1817 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1818 else strcat( rpl, "+" );
1819 strcat( rpl, Client_User( c ));
1821 strcat( rpl, Client_Hostname( c ));
1825 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1827 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1828 } /* IRC_USERHOST */
1831 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1833 assert( Client != NULL );
1834 assert( Req != NULL );
1836 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1837 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1843 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1845 CLIENT *target, *from;
1847 assert( Client != NULL );
1848 assert( Req != NULL );
1850 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1852 /* Falsche Anzahl Parameter? */
1853 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1855 /* Absender ermitteln */
1856 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1858 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1860 /* An anderen Server forwarden? */
1861 if( Req->argc == 2 )
1863 target = Client_GetFromID( Req->argv[1] );
1864 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1865 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1868 /* Wer ist der Absender? */
1869 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1870 else target = Client;
1871 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1873 Send_LUSERS( target );
1879 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1881 CLIENT *target, *from, *c;
1884 assert( Client != NULL );
1885 assert( Req != NULL );
1887 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1889 /* Falsche Anzahl Parameter? */
1890 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1892 /* Server-Mask ermitteln */
1893 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1896 /* Absender ermitteln */
1897 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1899 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1901 /* An anderen Server forwarden? */
1902 if( Req->argc == 2 )
1904 target = Client_GetFromID( Req->argv[0] );
1905 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1906 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1909 /* Wer ist der Absender? */
1910 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1911 else target = Client;
1912 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1914 c = Client_First( );
1917 if( Client_Type( c ) == CLIENT_SERVER )
1919 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;
1921 c = Client_Next( c );
1924 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1928 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1930 CHAR *channame, *flags, modes[8];
1931 BOOLEAN is_new_chan;
1935 assert( Client != NULL );
1936 assert( Req != NULL );
1938 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1940 /* Falsche Anzahl Parameter? */
1941 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1943 /* Wer ist der Absender? */
1944 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1945 else target = Client;
1946 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1948 /* Channel-Namen durchgehen */
1949 channame = strtok( Req->argv[0], "," );
1952 /* wird der Channel neu angelegt? */
1955 if( Channel_Search( channame )) is_new_chan = FALSE;
1956 else is_new_chan = TRUE;
1958 /* Hat ein Server Channel-User-Modes uebergeben? */
1959 if( Client_Type( Client ) == CLIENT_SERVER )
1961 /* Channel-Flags extrahieren */
1962 flags = strchr( channame, 0x7 );
1963 if( flags ) *flags++ = '\0';
1966 /* neuer Channel udn lokaler Client? */
1967 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1969 /* Dann soll der Client Channel-Operator werden! */
1973 /* Channel joinen (und ggf. anlegen) */
1974 if( ! Channel_Join( target, channame ))
1976 /* naechsten Namen ermitteln */
1977 channame = strtok( NULL, "," );
1980 chan = Channel_Search( channame );
1981 assert( chan != NULL );
1983 /* Modes setzen (wenn vorhanden) */
1984 while( flags && *flags )
1986 Channel_UserModeAdd( chan, target, *flags );
1990 /* Muessen Modes an andere Server gemeldet werden? */
1991 strcpy( &modes[1], Channel_UserModes( chan, target ));
1992 if( modes[1] ) modes[0] = 0x7;
1993 else modes[0] = '\0';
1995 /* An andere Server weiterleiten */
1996 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1998 /* im Channel bekannt machen */
1999 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2002 /* Modes im Channel bekannt machen */
2003 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2006 if( Client_Type( Client ) == CLIENT_USER )
2008 /* an Client bestaetigen */
2009 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2010 /* Topic an Client schicken */
2011 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2012 /* Mitglieder an Client Melden */
2013 Send_NAMES( Client, chan );
2016 /* naechsten Namen ermitteln */
2017 channame = strtok( NULL, "," );
2023 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2028 assert( Client != NULL );
2029 assert( Req != NULL );
2031 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2033 /* Falsche Anzahl Parameter? */
2034 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2036 /* Wer ist der Absender? */
2037 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2038 else target = Client;
2039 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2041 /* Channel-Namen durchgehen */
2042 chan = strtok( Req->argv[0], "," );
2045 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2047 /* naechsten Namen ermitteln */
2048 chan = strtok( NULL, "," );
2052 /* naechsten Namen ermitteln */
2053 chan = strtok( NULL, "," );
2059 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2063 assert( Client != NULL );
2064 assert( Req != NULL );
2066 /* Falsche Anzahl Parameter? */
2067 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2070 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2071 else target = Client_ThisServer( );
2073 /* An anderen Server weiterleiten? */
2074 if( target != Client_ThisServer( ))
2076 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2077 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2081 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2085 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2089 assert( Client != NULL );
2090 assert( Req != NULL );
2092 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2094 /* Falsche Anzahl Parameter? */
2095 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2097 prefix = Client_GetFromID( Req->prefix );
2100 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2101 prefix = Client_ThisServer( );
2104 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2106 /* andere Server benachrichtigen */
2107 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2109 /* haben wir selber einen solchen Client? */
2110 c = Client_GetFromID( Req->argv[0] );
2111 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2117 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2119 assert( Client != NULL );
2121 /* Passwort ueberpruefen */
2122 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2124 /* Falsches Passwort */
2125 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2126 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2127 return DISCONNECTED;
2130 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2132 /* Andere Server informieren */
2133 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 ));
2135 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2136 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2137 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2138 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2140 Client_SetType( Client, CLIENT_USER );
2142 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2143 if( ! Show_MOTD( Client )) return DISCONNECTED;
2149 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2155 assert( Client != NULL );
2157 fd = fopen( Conf_MotdFile, "r" );
2160 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2161 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2164 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2167 if( ! fgets( line, 126, fd )) break;
2168 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2169 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2175 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2183 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2187 assert( Nick != NULL );
2188 assert( Reason != NULL );
2190 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2192 /* andere Server benachrichtigen */
2193 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2195 /* Ggf. einen eigenen Client toeten */
2196 c = Client_GetFromID( Nick );
2197 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2201 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2203 CHAR str[LINE_LEN + 1];
2207 assert( Client != NULL );
2208 assert( Chan != NULL );
2210 /* Alle Mitglieder suchen */
2211 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2212 cl2chan = Channel_FirstMember( Chan );
2215 cl = Channel_GetClient( cl2chan );
2217 /* Nick anhaengen */
2218 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2219 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2220 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2221 strcat( str, Client_ID( cl ));
2223 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2225 /* Zeile wird zu lang: senden! */
2226 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2227 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2230 /* naechstes Mitglied suchen */
2231 cl2chan = Channel_NextMember( Chan, cl2chan );
2233 if( str[strlen( str ) - 1] != ':')
2235 /* Es sind noch Daten da, die gesendet werden muessen */
2236 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2240 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2246 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2250 assert( Client != NULL );
2252 /* Users, Services und Serevr im Netz */
2253 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2255 /* IRC-Operatoren im Netz */
2256 cnt = Client_OperCount( );
2259 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2262 /* Unbekannt Verbindungen */
2263 cnt = Client_UnknownCount( );
2266 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2269 /* Channels im Netz */
2270 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2272 /* Channels im Netz */
2273 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;