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 1.63 2002/02/19 02:21:17 alex Exp $
17 * Revision 1.63 2002/02/19 02:21:17 alex
18 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
19 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
21 * Revision 1.62 2002/02/17 23:38:58 alex
22 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
24 * Revision 1.61 2002/02/17 19:03:12 alex
25 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
27 * Revision 1.60 2002/02/17 17:43:14 alex
28 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
30 * Revision 1.59 2002/02/17 17:30:21 alex
31 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
32 * - Neue Funktion IRC_WriteStrRelatedPrefix().
34 * Revision 1.58 2002/02/17 17:18:59 alex
37 * Revision 1.57 2002/02/13 23:05:29 alex
38 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
40 * Revision 1.56 2002/02/13 17:52:27 alex
41 * - es werden nun Channel- und User-Modes von Usern angenommen.
43 * Revision 1.55 2002/02/12 14:40:37 alex
44 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
46 * Revision 1.54 2002/02/11 23:33:35 alex
47 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
49 * Revision 1.53 2002/02/11 16:06:21 alex
50 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
52 * Revision 1.52 2002/02/11 15:52:21 alex
53 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
54 * - Channel-Modes wurden falsch geliefert (als User-Modes).
56 * Revision 1.51 2002/02/11 15:15:53 alex
57 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
58 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
60 * Revision 1.50 2002/02/11 01:03:20 alex
61 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
62 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
63 * angelegt wird, werden Channel-Operator, etc. pp. ...
64 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
66 * Revision 1.49 2002/02/06 16:51:22 alex
67 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
69 * Revision 1.48 2002/01/29 00:13:45 alex
70 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
71 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
72 * LINKS wieder korrekt.
74 * Revision 1.47 2002/01/28 13:05:48 alex
75 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
76 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
78 * Revision 1.46 2002/01/28 01:45:43 alex
79 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
81 * Revision 1.45 2002/01/28 01:18:14 alex
82 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
84 * Revision 1.44 2002/01/28 00:55:08 alex
85 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
87 * Revision 1.43 2002/01/27 21:56:39 alex
88 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
89 * - einige kleinere Fixes bezueglich Channels ...
91 * Revision 1.42 2002/01/27 18:28:01 alex
92 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
94 * Revision 1.41 2002/01/27 17:15:49 alex
95 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
96 * IRC_WriteStrChannelPrefix(),
97 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
99 * Revision 1.40 2002/01/26 18:43:11 alex
100 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
101 * die IRC_Write_xxx_Related() sind dafuer entfallen.
102 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
104 * Revision 1.39 2002/01/21 00:05:11 alex
105 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
106 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
107 * - diverse Aenderungen im Zusammenhang mit Channels.
109 * Revision 1.38 2002/01/18 15:31:32 alex
110 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
112 * Revision 1.37 2002/01/16 22:10:18 alex
113 * - IRC_LUSERS() implementiert.
115 * Revision 1.36 2002/01/11 23:50:55 alex
116 * - LINKS implementiert, LUSERS begonnen.
118 * Revision 1.35 2002/01/09 21:30:45 alex
119 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
121 * Revision 1.34 2002/01/09 01:09:58 alex
122 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
123 * - andere Server werden nun ueber bisherige Server und User informiert.
125 * Revision 1.33 2002/01/07 23:42:12 alex
126 * - Es werden fuer alle Server eigene Token generiert,
127 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
128 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
130 * Revision 1.32 2002/01/07 16:02:36 alex
131 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
132 * - Im Debug-Mode werden nun auch PING's protokolliert.
134 * Revision 1.31 2002/01/07 15:39:46 alex
135 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
136 * - MODE und NICK melden nun die Aenderungen an andere Server.
138 * Revision 1.30 2002/01/06 15:21:29 alex
139 * - Loglevel und Meldungen nochmals ueberarbeitet.
140 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
141 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
143 * Revision 1.29 2002/01/05 23:24:54 alex
144 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
145 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
147 * Revision 1.28 2002/01/05 20:08:02 alex
148 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
149 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
151 * Revision 1.27 2002/01/05 19:15:03 alex
152 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
154 * Revision 1.26 2002/01/05 16:51:18 alex
155 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
157 * Revision 1.25 2002/01/05 00:48:33 alex
158 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
160 * Revision 1.24 2002/01/04 17:58:44 alex
161 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
162 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
164 * Revision 1.23 2002/01/04 01:36:40 alex
165 * - Loglevel ein wenig angepasst.
167 * Revision 1.22 2002/01/04 01:21:47 alex
168 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
169 * - Weitere Anpassungen und Erweiterungen der Server-Links.
171 * Revision 1.21 2002/01/03 02:26:51 alex
172 * - neue Befehle SERVER und NJOIN begonnen,
173 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
175 * Revision 1.20 2002/01/02 12:46:41 alex
176 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
178 * Revision 1.19 2002/01/02 02:51:39 alex
179 * - Copyright-Texte angepasst.
180 * - neuer Befehl "ERROR".
182 * Revision 1.17 2001/12/31 15:33:13 alex
183 * - neuer Befehl NAMES, kleinere Bugfixes.
184 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
186 * Revision 1.16 2001/12/31 02:18:51 alex
187 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
188 * - neuen Header "defines.h" mit (fast) allen Konstanten.
189 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
191 * Revision 1.15 2001/12/30 19:26:11 alex
192 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
194 * Revision 1.14 2001/12/30 11:42:00 alex
195 * - der Server meldet nun eine ordentliche "Start-Zeit".
197 * Revision 1.13 2001/12/29 03:10:06 alex
198 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
199 * - neue configure-Optione "--enable-strict-rfc".
201 * Revision 1.12 2001/12/27 19:17:26 alex
202 * - neue Befehle PRIVMSG, NOTICE, PING.
204 * Revision 1.11 2001/12/27 16:55:41 alex
205 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
207 * Revision 1.10 2001/12/26 22:48:53 alex
208 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
210 * Revision 1.9 2001/12/26 14:45:37 alex
213 * Revision 1.8 2001/12/26 03:21:46 alex
214 * - PING/PONG-Befehle implementiert,
215 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
217 * Revision 1.7 2001/12/25 23:25:18 alex
218 * - und nochmal Aenderungen am Logging ;-)
220 * Revision 1.6 2001/12/25 23:13:33 alex
221 * - Debug-Meldungen angepasst.
223 * Revision 1.5 2001/12/25 22:02:42 alex
224 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
226 * Revision 1.4 2001/12/25 19:19:30 alex
227 * - bessere Fehler-Abfragen, diverse Bugfixes.
228 * - Nicks werden nur einmal vergeben :-)
229 * - /MOTD wird unterstuetzt.
231 * Revision 1.3 2001/12/24 01:34:06 alex
232 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
233 * - MOTD-Ausgabe begonnen zu implementieren.
235 * Revision 1.2 2001/12/23 21:57:16 alex
236 * - erste IRC-Befehle zu implementieren begonnen.
238 * Revision 1.1 2001/12/14 08:13:43 alex
239 * - neues Modul begonnen :-)
260 #include "messages.h"
268 #define CONNECTED TRUE
269 #define DISCONNECTED FALSE
272 LOCAL BOOLEAN Hello_User( CLIENT *Client );
273 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
275 LOCAL VOID Kill_Nick( CHAR *Nick );
277 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
278 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
281 GLOBAL VOID IRC_Init( VOID )
286 GLOBAL VOID IRC_Exit( VOID )
291 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
294 BOOLEAN ok = CONNECTED;
297 assert( Client != NULL );
298 assert( Format != NULL );
300 va_start( ap, Format );
301 vsnprintf( buffer, 1000, Format, ap );
304 /* an den Client selber */
305 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
308 } /* IRC_WriteStrClient */
311 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
313 /* Text an Clients, lokal bzw. remote, senden. */
318 assert( Client != NULL );
319 assert( Format != NULL );
320 assert( Prefix != NULL );
322 va_start( ap, Format );
323 vsnprintf( buffer, 1000, Format, ap );
326 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
327 } /* IRC_WriteStrClientPrefix */
330 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
335 assert( Client != NULL );
336 assert( Format != NULL );
338 va_start( ap, Format );
339 vsnprintf( buffer, 1000, Format, ap );
342 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
343 } /* IRC_WriteStrChannel */
346 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
349 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
355 assert( Client != NULL );
356 assert( Chan != NULL );
357 assert( Prefix != NULL );
358 assert( Format != NULL );
360 va_start( ap, Format );
361 vsnprintf( buffer, 1000, Format, ap );
364 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
366 /* An alle Clients, die in den selben Channels sind.
367 * Dabei aber nur einmal je Remote-Server */
368 cl2chan = Channel_FirstMember( Chan );
371 c = Channel_GetClient( cl2chan );
374 if( Client_Conn( c ) <= NONE ) c = NULL;
375 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
377 if( c ) c = Client_NextHop( c );
379 if( c && ( c != Client ))
381 /* Ok, anderer Client */
382 s = Client_Conn( c );
384 assert( s < MAX_CONNECTIONS );
387 cl2chan = Channel_NextMember( Chan, cl2chan );
391 for( i = 0; i < MAX_CONNECTIONS; i++ )
395 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
400 } /* IRC_WriteStrChannelPrefix */
403 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
408 assert( Format != NULL );
410 va_start( ap, Format );
411 vsnprintf( buffer, 1000, Format, ap );
414 /* an den Client selber */
415 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
416 } /* IRC_WriteStrServers */
419 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
425 assert( Format != NULL );
426 assert( Prefix != NULL );
428 va_start( ap, Format );
429 vsnprintf( buffer, 1000, Format, ap );
435 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
437 /* Ziel-Server gefunden */
438 IRC_WriteStrClientPrefix( c, Prefix, buffer );
440 c = Client_Next( c );
442 } /* IRC_WriteStrServersPrefix */
445 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
447 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
448 CL2CHAN *chan_cl2chan, *cl2chan;
455 assert( Client != NULL );
456 assert( Prefix != NULL );
457 assert( Format != NULL );
459 va_start( ap, Format );
460 vsnprintf( buffer, 1000, Format, ap );
464 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
466 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
467 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
468 chan_cl2chan = Channel_FirstChannelOf( Client );
469 while( chan_cl2chan )
471 /* Channel des Users durchsuchen */
472 chan = Channel_GetChannel( chan_cl2chan );
473 cl2chan = Channel_FirstMember( chan );
476 c = Channel_GetClient( cl2chan );
479 if( Client_Conn( c ) <= NONE ) c = NULL;
480 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
482 if( c ) c = Client_NextHop( c );
484 if( c && ( c != Client ))
486 /* Ok, anderer Client */
487 s = Client_Conn( c );
489 assert( s < MAX_CONNECTIONS );
492 cl2chan = Channel_NextMember( chan, cl2chan );
495 /* naechsten Channel */
496 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
500 for( i = 0; i < MAX_CONNECTIONS; i++ )
504 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
509 } /* IRC_WriteStrRelatedPrefix */
513 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
515 assert( Client != NULL );
516 assert( Req != NULL );
518 /* Fehler liefern, wenn kein lokaler Client */
519 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
521 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
523 /* noch nicht registrierte unbekannte Verbindung */
524 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
526 /* Passwort speichern */
527 Client_SetPassword( Client, Req->argv[0] );
529 Client_SetType( Client, CLIENT_GOTPASS );
532 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
534 /* noch nicht registrierte Server-Verbindung */
535 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
537 /* Passwort speichern */
538 Client_SetPassword( Client, Req->argv[0] );
540 Client_SetType( Client, CLIENT_GOTPASSSERVER );
543 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
545 /* Falsche Anzahl Parameter? */
546 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
548 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
552 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
554 CHAR str[LINE_LEN], *ptr;
555 CLIENT *from, *c, *cl;
561 assert( Client != NULL );
562 assert( Req != NULL );
564 /* Fehler liefern, wenn kein lokaler Client */
565 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
567 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
569 /* Verbindung soll als Server-Server-Verbindung registriert werden */
570 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
572 /* Falsche Anzahl Parameter? */
573 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
575 /* Ist dieser Server bei uns konfiguriert? */
576 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
577 if( i >= Conf_Server_Count )
579 /* Server ist nicht konfiguriert! */
580 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
581 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
584 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
586 /* Falsches Passwort */
587 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
588 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
592 /* Ist ein Server mit dieser ID bereits registriert? */
593 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
595 /* Server-Strukturen fuellen ;-) */
596 Client_SetID( Client, Req->argv[0] );
597 Client_SetHops( Client, 1 );
598 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
600 /* Meldet sich der Server bei uns an? */
603 /* Unseren SERVER- und PASS-Befehl senden */
605 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
606 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
609 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
612 Client_SetIntroducer( Client, Client );
613 Client_SetToken( Client, 1 );
615 else Client_SetToken( Client, atoi( Req->argv[1] ));
617 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
619 Client_SetType( Client, CLIENT_SERVER );
621 /* maximalen Hop Count ermitteln */
626 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
627 c = Client_Next( c );
630 /* Alle bisherigen Server dem neuen Server bekannt machen,
631 * die bisherigen Server ueber den neuen informierenn */
632 for( i = 0; i < ( max_hops + 1 ); i++ )
637 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
639 if( Client_Conn( c ) > NONE )
641 /* Dem gefundenen Server gleich den neuen
642 * Server bekannt machen */
643 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
646 /* Den neuen Server ueber den alten informieren */
647 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;
649 c = Client_Next( c );
653 /* alle User dem neuen Server bekannt machen */
657 if( Client_Type( c ) == CLIENT_USER )
659 /* User an neuen Server melden */
660 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;
662 c = Client_Next( c );
665 /* Channels dem neuen Server bekannt machen */
666 chan = Channel_First( );
669 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
671 /* alle Member suchen */
672 cl2chan = Channel_FirstMember( chan );
675 cl = Channel_GetClient( cl2chan );
676 assert( cl != NULL );
678 /* Nick, ggf. mit Modes, anhaengen */
679 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
680 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
681 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
682 strcat( str, Client_ID( cl ));
684 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
687 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
688 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
691 cl2chan = Channel_NextMember( chan, cl2chan );
695 if( str[strlen( str ) - 1] != ':')
697 /* Ja; Also senden ... */
698 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
701 /* naechsten Channel suchen */
702 chan = Channel_Next( chan );
707 else if( Client_Type( Client ) == CLIENT_SERVER )
709 /* Neuer Server wird im Netz angekuendigt */
711 /* Falsche Anzahl Parameter? */
712 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
714 /* Ist ein Server mit dieser ID bereits registriert? */
715 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
717 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
718 ptr = strchr( Req->argv[3] + 2, '[' );
719 if( ! ptr ) ptr = Req->argv[3];
721 from = Client_GetFromID( Req->prefix );
724 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
725 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
726 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
730 /* Neue Client-Struktur anlegen */
731 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
734 /* Neue Client-Struktur konnte nicht angelegt werden */
735 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
736 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
740 /* Log-Meldung zusammenbauen und ausgeben */
741 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
742 else strcpy( str, "" );
743 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": "" );
745 /* Andere Server informieren */
746 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
750 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
754 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
756 CHAR *channame, *ptr, modes[8];
757 BOOLEAN is_op, is_voiced;
761 assert( Client != NULL );
762 assert( Req != NULL );
764 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
766 /* Falsche Anzahl Parameter? */
767 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
769 channame = Req->argv[0];
770 ptr = strtok( Req->argv[1], "," );
773 is_op = is_voiced = FALSE;
775 /* Prefixe abschneiden */
776 while(( *ptr == '@' ) || ( *ptr == '+' ))
778 if( *ptr == '@' ) is_op = TRUE;
779 if( *ptr == '+' ) is_voiced = TRUE;
783 c = Client_GetFromID( ptr );
786 Channel_Join( c, channame );
787 chan = Channel_Search( channame );
788 assert( chan != NULL );
790 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
791 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
793 /* im Channel bekannt machen */
794 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
796 /* Channel-User-Modes setzen */
797 strcpy( modes, Channel_UserModes( chan, c ));
800 /* Modes im Channel bekannt machen */
801 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
804 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
806 /* naechsten Nick suchen */
807 ptr = strtok( NULL, "," );
810 /* an andere Server weiterleiten */
811 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
817 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
819 CLIENT *intr_c, *target, *c;
822 assert( Client != NULL );
823 assert( Req != NULL );
825 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
827 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 ))
829 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 ))
832 /* User-Registrierung bzw. Nick-Aenderung */
834 /* Falsche Anzahl Parameter? */
835 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
837 /* "Ziel-Client" ermitteln */
838 if( Client_Type( Client ) == CLIENT_SERVER )
840 target = Client_GetFromID( Req->prefix );
841 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
845 /* Ist der Client "restricted"? */
846 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
851 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
852 * wir nichts. So macht es das Original und mind. Snak hat probleme,
853 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
854 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
857 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
858 * will nur die Gross- und Kleinschreibung aendern. Das darf
859 * er natuerlich machen :-) */
860 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
862 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
865 /* Nick-Aenderung: allen mitteilen! */
866 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
867 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
868 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
869 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
871 /* Client-Nick registrieren */
872 Client_SetID( target, Req->argv[0] );
874 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
877 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
878 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
879 else Client_SetType( Client, CLIENT_GOTNICK );
883 else if( Client_Type( Client ) == CLIENT_SERVER )
885 /* Server fuehrt neuen Client ein */
887 /* Falsche Anzahl Parameter? */
888 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
890 /* Nick ueberpruefen */
891 c = Client_GetFromID( Req->argv[0] );
894 /* Der neue Nick ist auf diesem Server bereits registriert:
895 * sowohl der neue, als auch der alte Client muessen nun
896 * disconnectiert werden. */
897 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
898 Kill_Nick( Req->argv[0] );
902 /* Server, zu dem der Client connectiert ist, suchen */
903 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
906 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
907 Kill_Nick( Req->argv[0] );
911 /* Neue Client-Struktur anlegen */
912 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 );
915 /* Eine neue Client-Struktur konnte nicht angelegt werden.
916 * Der Client muss disconnectiert werden, damit der Netz-
917 * status konsistent bleibt. */
918 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
919 Kill_Nick( Req->argv[0] );
923 modes = Client_Modes( c );
924 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": "" );
925 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": "" );
927 /* Andere Server, ausser dem Introducer, informieren */
928 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] );
932 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
936 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
938 assert( Client != NULL );
939 assert( Req != NULL );
942 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
944 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
947 /* Falsche Anzahl Parameter? */
948 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
950 Client_SetUser( Client, Req->argv[0], FALSE );
951 Client_SetInfo( Client, Req->argv[3] );
953 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
954 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
955 else Client_SetType( Client, CLIENT_GOTUSER );
958 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
960 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
962 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
966 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
970 assert( Client != NULL );
971 assert( Req != NULL );
973 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
977 /* Falsche Anzahl Parameter? */
978 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
980 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
981 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
985 else if ( Client_Type( Client ) == CLIENT_SERVER )
989 /* Falsche Anzahl Parameter? */
990 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
992 target = Client_Search( Req->prefix );
995 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
999 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1000 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1004 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1008 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1012 assert( Client != NULL );
1013 assert( Req != NULL );
1015 /* SQUIT ist nur fuer Server erlaubt */
1016 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1018 /* Falsche Anzahl Parameter? */
1019 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1021 target = Client_GetFromID( Req->argv[0] );
1024 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1028 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1029 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1031 /* SQUIT an alle Server weiterleiten */
1032 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1034 if( Client_Conn( target ) > NONE )
1036 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1037 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1038 return DISCONNECTED;
1042 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1048 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1050 CLIENT *target, *from;
1052 assert( Client != NULL );
1053 assert( Req != NULL );
1055 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1057 /* Falsche Anzahl Parameter? */
1058 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1059 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1061 if( Req->argc == 2 )
1063 /* es wurde ein Ziel-Client angegeben */
1064 target = Client_GetFromID( Req->argv[1] );
1065 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1066 if( target != Client_ThisServer( ))
1069 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1071 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1072 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1076 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1077 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1081 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1083 CLIENT *target, *from;
1085 assert( Client != NULL );
1086 assert( Req != NULL );
1088 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1090 /* Falsche Anzahl Parameter? */
1091 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1092 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1095 if( Req->argc == 2 )
1097 target = Client_GetFromID( Req->argv[1] );
1098 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1099 if( target != Client_ThisServer( ))
1102 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1104 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1105 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1109 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1110 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1112 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %d seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1113 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1119 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1121 assert( Client != NULL );
1122 assert( Req != NULL );
1124 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1126 /* Falsche Anzahl Parameter? */
1127 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1129 return Show_MOTD( Client );
1133 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1138 assert( Client != NULL );
1139 assert( Req != NULL );
1141 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1143 /* Falsche Anzahl Parameter? */
1144 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1145 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1146 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1148 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1150 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1152 to = Client_Search( Req->argv[0] );
1155 /* Okay, Ziel ist ein User */
1156 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1157 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1160 chan = Channel_Search( Req->argv[0] );
1163 /* Okay, Ziel ist ein Channel */
1164 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1165 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1168 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1172 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1176 assert( Client != NULL );
1177 assert( Req != NULL );
1179 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1181 /* Falsche Anzahl Parameter? */
1182 if( Req->argc != 2 ) return CONNECTED;
1184 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1186 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1188 to = Client_Search( Req->argv[0] );
1191 /* Okay, Ziel ist ein User */
1192 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1194 else return CONNECTED;
1198 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1200 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1201 CLIENT *cl, *chan_cl, *prefix;
1205 assert( Client != NULL );
1206 assert( Req != NULL );
1208 cl = chan_cl = prefix = NULL;
1211 /* Valider Client? */
1212 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1214 /* Keine Parameter? */
1215 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1217 /* Ziel suchen: Client bzw. Channel */
1218 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1219 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1221 /* Kein Ziel gefunden? */
1222 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1224 assert(( cl && chan ) != TRUE );
1226 /* Falsche Anzahl Parameter? */
1227 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1228 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1230 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1231 if(( chan ) && (Req->argc == 3 ))
1233 chan_cl = Client_Search( Req->argv[2] );
1234 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1237 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1238 if( Client_Type( Client ) == CLIENT_USER )
1242 /* MODE ist nur fuer sich selber zulaessig! */
1243 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1247 /* Darf der User die Channel-Modes ermitteln? */
1251 /* Werden die Modes "nur" erfragt? */
1252 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1253 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1255 mode_ptr = Req->argv[1];
1257 /* Sollen Modes gesetzt oder geloescht werden? */
1260 if( *mode_ptr == '+' ) set = TRUE;
1261 else if( *mode_ptr == '-' ) set = FALSE;
1262 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1267 if( *mode_ptr == '-' ) set = FALSE;
1269 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1272 /* Prefix fuer Antworten etc. ermitteln */
1273 if( Client_Type( Client ) == CLIENT_SERVER )
1275 prefix = Client_GetFromID( Req->prefix );
1276 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1278 else prefix = Client;
1280 /* Reply-String mit Aenderungen vorbereiten */
1281 if( set ) strcpy( the_modes, "+" );
1282 else strcpy( the_modes, "-" );
1289 if( Client_Type( Client ) == CLIENT_SERVER )
1291 /* Befehl kommt von einem Server, daher
1292 * trauen wir ihm "unbesehen" ... */
1297 /* Modes validieren */
1308 /* restricted (kann nur gesetzt werden) */
1309 if( set ) x[0] = 'r';
1310 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1313 /* operator (kann nur geloescht werden) */
1316 Client_SetOperByMe( Client, FALSE );
1319 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1322 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1323 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1329 /* Ist der User ein Channel Operator? */
1330 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1332 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1333 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1337 /* Channel-Modes oder Channel-User-Modes */
1340 /* Channel-User-Modes */
1344 /* Channel Operator */
1352 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 ));
1353 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1371 /* kein Schreiben in den Channel von aussen */
1391 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1392 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1401 if( ! x[0] ) continue;
1403 /* Okay, gueltigen Mode gefunden */
1406 /* Es geht um User-Modes */
1409 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1410 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1414 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1415 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1420 /* Es geht um Channel-Modes oder Channel-User-Modes */
1423 /* Channel-User-Modes */
1426 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1427 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1431 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1432 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1440 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1441 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1445 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1446 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1452 /* Wurden Modes geaendert? */
1458 if( Client_Type( Client ) == CLIENT_SERVER )
1460 /* Modes an andere Server forwarden */
1461 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1465 /* Bestaetigung an Client schicken & andere Server informieren */
1466 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1467 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1469 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1473 /* Channel-Modes oder Channel-User-Mode */
1476 /* Channel-User-Mode */
1477 if( Client_Type( Client ) == CLIENT_SERVER )
1479 /* Modes an andere Server und Channel-User forwarden */
1480 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1481 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1485 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1486 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1487 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1488 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1490 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1495 if( Client_Type( Client ) == CLIENT_SERVER )
1497 /* Modes an andere Server und Channel-User forwarden */
1498 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1499 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1503 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1504 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1505 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1506 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1508 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1517 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1521 assert( Client != NULL );
1522 assert( Req != NULL );
1524 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1526 /* Falsche Anzahl Parameter? */
1527 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1529 /* Operator suchen */
1530 for( i = 0; i < Conf_Oper_Count; i++)
1532 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1534 if( i >= Conf_Oper_Count )
1536 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1537 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1540 /* Stimmt das Passwort? */
1541 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1543 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1544 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1547 if( ! Client_HasMode( Client, 'o' ))
1549 /* noch kein o-Mode gesetzt */
1550 Client_ModeAdd( Client, 'o' );
1551 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1552 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1555 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1557 Client_SetOperByMe( Client, TRUE );
1558 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1562 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1564 assert( Client != NULL );
1565 assert( Req != NULL );
1567 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1569 /* Falsche Anzahl Parameter? */
1570 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1572 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1574 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1580 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1582 assert( Client != NULL );
1583 assert( Req != NULL );
1585 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1587 /* Falsche Anzahl Parameter? */
1588 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1590 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1592 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1593 NGIRCd_Restart = TRUE;
1598 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1600 CHAR rpl[COMMAND_LEN];
1603 assert( Client != NULL );
1604 assert( Req != NULL );
1606 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1608 /* Falsche Anzahl Parameter? */
1609 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1611 /* Noch alle User ausgeben, die in keinem Channel sind */
1613 c = Client_First( );
1616 if( Client_Type( c ) == CLIENT_USER )
1618 /* Okay, das ist ein User */
1619 strcat( rpl, Client_ID( c ));
1623 /* Antwort zu lang? Splitten. */
1624 if( strlen( rpl ) > 480 )
1626 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1627 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1631 c = Client_Next( c );
1635 /* es wurden User gefunden */
1636 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1637 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1639 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1643 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1645 CHAR rpl[COMMAND_LEN];
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 < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1658 strcpy( rpl, RPL_ISON_MSG );
1659 for( i = 0; i < Req->argc; i++ )
1661 ptr = strtok( Req->argv[i], " " );
1665 c = Client_GetFromID( ptr );
1666 if( c && ( Client_Type( c ) == CLIENT_USER ))
1668 /* Dieser Nick ist "online" */
1672 ptr = strtok( NULL, " " );
1675 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1677 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1681 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1683 CLIENT *from, *target, *c;
1684 CHAR str[LINE_LEN + 1], *ptr = NULL;
1688 assert( Client != NULL );
1689 assert( Req != NULL );
1691 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1693 /* Falsche Anzahl Parameter? */
1694 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1697 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1698 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1700 /* Empfaenger des WHOIS suchen */
1701 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1703 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1705 /* Forwarden an anderen Server? */
1708 /* angegebenen Ziel-Server suchen */
1709 target = Client_GetFromID( Req->argv[1] );
1710 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1714 else if( Client_Conn( c ) == NONE )
1716 /* Client ist nicht von uns. Ziel-Server suchen */
1723 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 );
1725 /* Nick, User und Name */
1726 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1729 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;
1732 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1733 cl2chan = Channel_FirstChannelOf( c );
1736 chan = Channel_GetChannel( cl2chan );
1737 assert( chan != NULL );
1739 /* Channel-Name anhaengen */
1740 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1741 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1742 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1743 strcat( str, Channel_Name( chan ));
1745 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1747 /* Zeile wird zu lang: senden! */
1748 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1749 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1752 /* naechstes Mitglied suchen */
1753 cl2chan = Channel_NextChannelOf( c, cl2chan );
1755 if( str[strlen( str ) - 1] != ':')
1757 /* Es sind noch Daten da, die gesendet werden muessen */
1758 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1762 if( Client_HasMode( c, 'o' ))
1764 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1767 /* Idle (nur lokale Clients) */
1768 if( Client_Conn( c ) > NONE )
1770 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1774 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1778 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1780 CHAR rpl[COMMAND_LEN];
1784 assert( Client != NULL );
1785 assert( Req != NULL );
1787 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1789 /* Falsche Anzahl Parameter? */
1790 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1792 if( Req->argc > 5 ) max = 5;
1793 else max = Req->argc;
1795 strcpy( rpl, RPL_USERHOST_MSG );
1796 for( i = 0; i < max; i++ )
1798 c = Client_GetFromID( Req->argv[i] );
1799 if( c && ( Client_Type( c ) == CLIENT_USER ))
1801 /* Dieser Nick ist "online" */
1802 strcat( rpl, Client_ID( c ));
1803 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1805 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1806 else strcat( rpl, "+" );
1807 strcat( rpl, Client_User( c ));
1809 strcat( rpl, Client_Hostname( c ));
1813 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1815 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1816 } /* IRC_USERHOST */
1819 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1821 assert( Client != NULL );
1822 assert( Req != NULL );
1824 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1825 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1831 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1833 CLIENT *target, *from;
1835 assert( Client != NULL );
1836 assert( Req != NULL );
1838 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1840 /* Falsche Anzahl Parameter? */
1841 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1843 /* Absender ermitteln */
1844 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1846 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1848 /* An anderen Server forwarden? */
1849 if( Req->argc == 2 )
1851 target = Client_GetFromID( Req->argv[1] );
1852 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1853 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1856 /* Wer ist der Absender? */
1857 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1858 else target = Client;
1859 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1861 Send_LUSERS( target );
1867 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1869 CLIENT *target, *from, *c;
1872 assert( Client != NULL );
1873 assert( Req != NULL );
1875 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1877 /* Falsche Anzahl Parameter? */
1878 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1880 /* Server-Mask ermitteln */
1881 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1884 /* Absender ermitteln */
1885 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1887 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1889 /* An anderen Server forwarden? */
1890 if( Req->argc == 2 )
1892 target = Client_GetFromID( Req->argv[0] );
1893 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1894 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1897 /* Wer ist der Absender? */
1898 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1899 else target = Client;
1900 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1902 c = Client_First( );
1905 if( Client_Type( c ) == CLIENT_SERVER )
1907 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;
1909 c = Client_Next( c );
1912 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1916 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1918 CHAR *channame, *flags, modes[8];
1919 BOOLEAN is_new_chan;
1923 assert( Client != NULL );
1924 assert( Req != NULL );
1926 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1928 /* Falsche Anzahl Parameter? */
1929 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1931 /* Wer ist der Absender? */
1932 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1933 else target = Client;
1934 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1936 /* Channel-Namen durchgehen */
1937 channame = strtok( Req->argv[0], "," );
1940 /* wird der Channel neu angelegt? */
1943 if( Channel_Search( channame )) is_new_chan = FALSE;
1944 else is_new_chan = TRUE;
1946 /* Hat ein Server Channel-User-Modes uebergeben? */
1947 if( Client_Type( Client ) == CLIENT_SERVER )
1949 /* Channel-Flags extrahieren */
1950 flags = strchr( channame, 0x7 );
1951 if( flags ) *flags++ = '\0';
1954 /* neuer Channel udn lokaler Client? */
1955 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1957 /* Dann soll der Client Channel-Operator werden! */
1961 /* Channel joinen (und ggf. anlegen) */
1962 if( ! Channel_Join( target, channame ))
1964 /* naechsten Namen ermitteln */
1965 channame = strtok( NULL, "," );
1968 chan = Channel_Search( channame );
1969 assert( chan != NULL );
1971 /* Modes setzen (wenn vorhanden) */
1972 while( flags && *flags )
1974 Channel_UserModeAdd( chan, target, *flags );
1978 /* Muessen Modes an andere Server gemeldet werden? */
1979 strcpy( &modes[1], Channel_UserModes( chan, target ));
1980 if( modes[1] ) modes[0] = 0x7;
1981 else modes[0] = '\0';
1983 /* An andere Server weiterleiten */
1984 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1986 /* im Channel bekannt machen */
1987 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1990 /* Modes im Channel bekannt machen */
1991 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1994 if( Client_Type( Client ) == CLIENT_USER )
1996 /* an Client bestaetigen */
1997 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1998 /* Topic an Client schicken */
1999 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2000 /* Mitglieder an Client Melden */
2001 Send_NAMES( Client, chan );
2004 /* naechsten Namen ermitteln */
2005 channame = strtok( NULL, "," );
2011 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2016 assert( Client != NULL );
2017 assert( Req != NULL );
2019 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2021 /* Falsche Anzahl Parameter? */
2022 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2024 /* Wer ist der Absender? */
2025 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2026 else target = Client;
2027 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2029 /* Channel-Namen durchgehen */
2030 chan = strtok( Req->argv[0], "," );
2033 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2035 /* naechsten Namen ermitteln */
2036 chan = strtok( NULL, "," );
2040 /* naechsten Namen ermitteln */
2041 chan = strtok( NULL, "," );
2047 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2051 assert( Client != NULL );
2052 assert( Req != NULL );
2054 /* Falsche Anzahl Parameter? */
2055 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2058 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2059 else target = Client_ThisServer( );
2061 /* An anderen Server weiterleiten? */
2062 if( target != Client_ThisServer( ))
2064 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2065 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2069 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), "", Conf_ServerName, NGIRCd_VersionAddition( ));
2073 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2075 assert( Client != NULL );
2077 /* Passwort ueberpruefen */
2078 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2080 /* Falsches Passwort */
2081 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2082 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2083 return DISCONNECTED;
2086 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2088 /* Andere Server informieren */
2089 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 ));
2091 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2092 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2093 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2094 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2096 Client_SetType( Client, CLIENT_USER );
2098 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2099 if( ! Show_MOTD( Client )) return DISCONNECTED;
2105 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2111 assert( Client != NULL );
2113 fd = fopen( Conf_MotdFile, "r" );
2116 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2117 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2120 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2123 if( ! fgets( line, 126, fd )) break;
2124 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2125 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2131 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2139 LOCAL VOID Kill_Nick( CHAR *Nick )
2141 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2143 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2147 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2149 CHAR str[LINE_LEN + 1];
2153 assert( Client != NULL );
2154 assert( Chan != NULL );
2156 /* Alle Mitglieder suchen */
2157 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2158 cl2chan = Channel_FirstMember( Chan );
2161 cl = Channel_GetClient( cl2chan );
2163 /* Nick anhaengen */
2164 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2165 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2166 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2167 strcat( str, Client_ID( cl ));
2169 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2171 /* Zeile wird zu lang: senden! */
2172 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2173 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2176 /* naechstes Mitglied suchen */
2177 cl2chan = Channel_NextMember( Chan, cl2chan );
2179 if( str[strlen( str ) - 1] != ':')
2181 /* Es sind noch Daten da, die gesendet werden muessen */
2182 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2186 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2192 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2196 assert( Client != NULL );
2198 /* Users, Services und Serevr im Netz */
2199 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2201 /* IRC-Operatoren im Netz */
2202 cnt = Client_OperCount( );
2205 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2208 /* Unbekannt Verbindungen */
2209 cnt = Client_UnknownCount( );
2212 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2215 /* Channels im Netz */
2216 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2218 /* Channels im Netz */
2219 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;