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 1.60 2002/02/17 17:43:14 alex Exp $
17 * Revision 1.60 2002/02/17 17:43:14 alex
18 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
20 * Revision 1.59 2002/02/17 17:30:21 alex
21 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
22 * - Neue Funktion IRC_WriteStrRelatedPrefix().
24 * Revision 1.58 2002/02/17 17:18:59 alex
27 * Revision 1.57 2002/02/13 23:05:29 alex
28 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
30 * Revision 1.56 2002/02/13 17:52:27 alex
31 * - es werden nun Channel- und User-Modes von Usern angenommen.
33 * Revision 1.55 2002/02/12 14:40:37 alex
34 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
36 * Revision 1.54 2002/02/11 23:33:35 alex
37 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
39 * Revision 1.53 2002/02/11 16:06:21 alex
40 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
42 * Revision 1.52 2002/02/11 15:52:21 alex
43 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
44 * - Channel-Modes wurden falsch geliefert (als User-Modes).
46 * Revision 1.51 2002/02/11 15:15:53 alex
47 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
48 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
50 * Revision 1.50 2002/02/11 01:03:20 alex
51 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
52 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
53 * angelegt wird, werden Channel-Operator, etc. pp. ...
54 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
56 * Revision 1.49 2002/02/06 16:51:22 alex
57 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
59 * Revision 1.48 2002/01/29 00:13:45 alex
60 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
61 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
62 * LINKS wieder korrekt.
64 * Revision 1.47 2002/01/28 13:05:48 alex
65 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
66 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
68 * Revision 1.46 2002/01/28 01:45:43 alex
69 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
71 * Revision 1.45 2002/01/28 01:18:14 alex
72 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
74 * Revision 1.44 2002/01/28 00:55:08 alex
75 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
77 * Revision 1.43 2002/01/27 21:56:39 alex
78 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
79 * - einige kleinere Fixes bezueglich Channels ...
81 * Revision 1.42 2002/01/27 18:28:01 alex
82 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
84 * Revision 1.41 2002/01/27 17:15:49 alex
85 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
86 * IRC_WriteStrChannelPrefix(),
87 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
89 * Revision 1.40 2002/01/26 18:43:11 alex
90 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
91 * die IRC_Write_xxx_Related() sind dafuer entfallen.
92 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
94 * Revision 1.39 2002/01/21 00:05:11 alex
95 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
96 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
97 * - diverse Aenderungen im Zusammenhang mit Channels.
99 * Revision 1.38 2002/01/18 15:31:32 alex
100 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
102 * Revision 1.37 2002/01/16 22:10:18 alex
103 * - IRC_LUSERS() implementiert.
105 * Revision 1.36 2002/01/11 23:50:55 alex
106 * - LINKS implementiert, LUSERS begonnen.
108 * Revision 1.35 2002/01/09 21:30:45 alex
109 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
111 * Revision 1.34 2002/01/09 01:09:58 alex
112 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
113 * - andere Server werden nun ueber bisherige Server und User informiert.
115 * Revision 1.33 2002/01/07 23:42:12 alex
116 * - Es werden fuer alle Server eigene Token generiert,
117 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
118 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
120 * Revision 1.32 2002/01/07 16:02:36 alex
121 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
122 * - Im Debug-Mode werden nun auch PING's protokolliert.
124 * Revision 1.31 2002/01/07 15:39:46 alex
125 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
126 * - MODE und NICK melden nun die Aenderungen an andere Server.
128 * Revision 1.30 2002/01/06 15:21:29 alex
129 * - Loglevel und Meldungen nochmals ueberarbeitet.
130 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
131 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
133 * Revision 1.29 2002/01/05 23:24:54 alex
134 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
135 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
137 * Revision 1.28 2002/01/05 20:08:02 alex
138 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
139 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
141 * Revision 1.27 2002/01/05 19:15:03 alex
142 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
144 * Revision 1.26 2002/01/05 16:51:18 alex
145 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
147 * Revision 1.25 2002/01/05 00:48:33 alex
148 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
150 * Revision 1.24 2002/01/04 17:58:44 alex
151 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
152 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
154 * Revision 1.23 2002/01/04 01:36:40 alex
155 * - Loglevel ein wenig angepasst.
157 * Revision 1.22 2002/01/04 01:21:47 alex
158 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
159 * - Weitere Anpassungen und Erweiterungen der Server-Links.
161 * Revision 1.21 2002/01/03 02:26:51 alex
162 * - neue Befehle SERVER und NJOIN begonnen,
163 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
165 * Revision 1.20 2002/01/02 12:46:41 alex
166 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
168 * Revision 1.19 2002/01/02 02:51:39 alex
169 * - Copyright-Texte angepasst.
170 * - neuer Befehl "ERROR".
172 * Revision 1.17 2001/12/31 15:33:13 alex
173 * - neuer Befehl NAMES, kleinere Bugfixes.
174 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
176 * Revision 1.16 2001/12/31 02:18:51 alex
177 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
178 * - neuen Header "defines.h" mit (fast) allen Konstanten.
179 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
181 * Revision 1.15 2001/12/30 19:26:11 alex
182 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
184 * Revision 1.14 2001/12/30 11:42:00 alex
185 * - der Server meldet nun eine ordentliche "Start-Zeit".
187 * Revision 1.13 2001/12/29 03:10:06 alex
188 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
189 * - neue configure-Optione "--enable-strict-rfc".
191 * Revision 1.12 2001/12/27 19:17:26 alex
192 * - neue Befehle PRIVMSG, NOTICE, PING.
194 * Revision 1.11 2001/12/27 16:55:41 alex
195 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
197 * Revision 1.10 2001/12/26 22:48:53 alex
198 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
200 * Revision 1.9 2001/12/26 14:45:37 alex
203 * Revision 1.8 2001/12/26 03:21:46 alex
204 * - PING/PONG-Befehle implementiert,
205 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
207 * Revision 1.7 2001/12/25 23:25:18 alex
208 * - und nochmal Aenderungen am Logging ;-)
210 * Revision 1.6 2001/12/25 23:13:33 alex
211 * - Debug-Meldungen angepasst.
213 * Revision 1.5 2001/12/25 22:02:42 alex
214 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
216 * Revision 1.4 2001/12/25 19:19:30 alex
217 * - bessere Fehler-Abfragen, diverse Bugfixes.
218 * - Nicks werden nur einmal vergeben :-)
219 * - /MOTD wird unterstuetzt.
221 * Revision 1.3 2001/12/24 01:34:06 alex
222 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
223 * - MOTD-Ausgabe begonnen zu implementieren.
225 * Revision 1.2 2001/12/23 21:57:16 alex
226 * - erste IRC-Befehle zu implementieren begonnen.
228 * Revision 1.1 2001/12/14 08:13:43 alex
229 * - neues Modul begonnen :-)
250 #include "messages.h"
258 #define CONNECTED TRUE
259 #define DISCONNECTED FALSE
262 LOCAL BOOLEAN Hello_User( CLIENT *Client );
263 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
265 LOCAL VOID Kill_Nick( CHAR *Nick );
267 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
268 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
271 GLOBAL VOID IRC_Init( VOID )
276 GLOBAL VOID IRC_Exit( VOID )
281 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
284 BOOLEAN ok = CONNECTED;
287 assert( Client != NULL );
288 assert( Format != NULL );
290 va_start( ap, Format );
291 vsnprintf( buffer, 1000, Format, ap );
294 /* an den Client selber */
295 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
298 } /* IRC_WriteStrClient */
301 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
303 /* Text an Clients, lokal bzw. remote, senden. */
308 assert( Client != NULL );
309 assert( Format != NULL );
310 assert( Prefix != NULL );
312 va_start( ap, Format );
313 vsnprintf( buffer, 1000, Format, ap );
316 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
317 } /* IRC_WriteStrClientPrefix */
320 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
325 assert( Client != NULL );
326 assert( Format != NULL );
328 va_start( ap, Format );
329 vsnprintf( buffer, 1000, Format, ap );
332 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
333 } /* IRC_WriteStrChannel */
336 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
339 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
345 assert( Client != NULL );
346 assert( Chan != NULL );
347 assert( Prefix != NULL );
348 assert( Format != NULL );
350 va_start( ap, Format );
351 vsnprintf( buffer, 1000, Format, ap );
354 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
356 /* An alle Clients, die in den selben Channels sind.
357 * Dabei aber nur einmal je Remote-Server */
358 cl2chan = Channel_FirstMember( Chan );
361 c = Channel_GetClient( cl2chan );
364 if( Client_Conn( c ) <= NONE ) c = NULL;
365 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
367 if( c ) c = Client_NextHop( c );
369 if( c && ( c != Client ))
371 /* Ok, anderer Client */
372 s = Client_Conn( c );
374 assert( s < MAX_CONNECTIONS );
377 cl2chan = Channel_NextMember( Chan, cl2chan );
381 for( i = 0; i < MAX_CONNECTIONS; i++ )
385 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
390 } /* IRC_WriteStrChannelPrefix */
393 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
398 assert( Format != NULL );
400 va_start( ap, Format );
401 vsnprintf( buffer, 1000, Format, ap );
404 /* an den Client selber */
405 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
406 } /* IRC_WriteStrServers */
409 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
415 assert( Format != NULL );
416 assert( Prefix != NULL );
418 va_start( ap, Format );
419 vsnprintf( buffer, 1000, Format, ap );
425 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
427 /* Ziel-Server gefunden */
428 IRC_WriteStrClientPrefix( c, Prefix, buffer );
430 c = Client_Next( c );
432 } /* IRC_WriteStrServersPrefix */
435 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
437 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
438 CL2CHAN *chan_cl2chan, *cl2chan;
445 assert( Client != NULL );
446 assert( Prefix != NULL );
447 assert( Format != NULL );
449 va_start( ap, Format );
450 vsnprintf( buffer, 1000, Format, ap );
454 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
456 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
457 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
458 chan_cl2chan = Channel_FirstChannelOf( Client );
459 while( chan_cl2chan )
461 /* Channel des Users durchsuchen */
462 chan = Channel_GetChannel( chan_cl2chan );
463 cl2chan = Channel_FirstMember( chan );
466 c = Channel_GetClient( cl2chan );
469 if( Client_Conn( c ) <= NONE ) c = NULL;
470 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
472 if( c ) c = Client_NextHop( c );
474 if( c && ( c != Client ))
476 /* Ok, anderer Client */
477 s = Client_Conn( c );
479 assert( s < MAX_CONNECTIONS );
482 cl2chan = Channel_NextMember( chan, cl2chan );
485 /* naechsten Channel */
486 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
490 for( i = 0; i < MAX_CONNECTIONS; i++ )
494 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
499 } /* IRC_WriteStrRelatedPrefix */
503 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
505 assert( Client != NULL );
506 assert( Req != NULL );
508 /* Fehler liefern, wenn kein lokaler Client */
509 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
511 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
513 /* noch nicht registrierte unbekannte Verbindung */
514 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
516 /* Passwort speichern */
517 Client_SetPassword( Client, Req->argv[0] );
519 Client_SetType( Client, CLIENT_GOTPASS );
522 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
524 /* noch nicht registrierte Server-Verbindung */
525 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
527 /* Passwort speichern */
528 Client_SetPassword( Client, Req->argv[0] );
530 Client_SetType( Client, CLIENT_GOTPASSSERVER );
533 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
535 /* Falsche Anzahl Parameter? */
536 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
538 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
542 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
544 CHAR str[LINE_LEN], *ptr;
545 CLIENT *from, *c, *cl;
551 assert( Client != NULL );
552 assert( Req != NULL );
554 /* Fehler liefern, wenn kein lokaler Client */
555 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
557 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
559 /* Verbindung soll als Server-Server-Verbindung registriert werden */
560 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
562 /* Falsche Anzahl Parameter? */
563 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
565 /* Ist dieser Server bei uns konfiguriert? */
566 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
567 if( i >= Conf_Server_Count )
569 /* Server ist nicht konfiguriert! */
570 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
571 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
574 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
576 /* Falsches Passwort */
577 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
578 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
582 /* Ist ein Server mit dieser ID bereits registriert? */
583 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
585 /* Server-Strukturen fuellen ;-) */
586 Client_SetID( Client, Req->argv[0] );
587 Client_SetHops( Client, 1 );
588 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
590 /* Meldet sich der Server bei uns an? */
593 /* Unseren SERVER- und PASS-Befehl senden */
595 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
596 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
599 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
602 Client_SetIntroducer( Client, Client );
603 Client_SetToken( Client, 1 );
605 else Client_SetToken( Client, atoi( Req->argv[1] ));
607 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
609 Client_SetType( Client, CLIENT_SERVER );
611 /* maximalen Hop Count ermitteln */
616 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
617 c = Client_Next( c );
620 /* Alle bisherigen Server dem neuen Server bekannt machen,
621 * die bisherigen Server ueber den neuen informierenn */
622 for( i = 0; i < ( max_hops + 1 ); i++ )
627 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
629 if( Client_Conn( c ) > NONE )
631 /* Dem gefundenen Server gleich den neuen
632 * Server bekannt machen */
633 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
636 /* Den neuen Server ueber den alten informieren */
637 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;
639 c = Client_Next( c );
643 /* alle User dem neuen Server bekannt machen */
647 if( Client_Type( c ) == CLIENT_USER )
649 /* User an neuen Server melden */
650 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;
652 c = Client_Next( c );
655 /* Channels dem neuen Server bekannt machen */
656 chan = Channel_First( );
659 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
661 /* alle Member suchen */
662 cl2chan = Channel_FirstMember( chan );
665 cl = Channel_GetClient( cl2chan );
666 assert( cl != NULL );
668 /* Nick, ggf. mit Modes, anhaengen */
669 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
670 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
671 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
672 strcat( str, Client_ID( cl ));
674 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
677 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
678 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
681 cl2chan = Channel_NextMember( chan, cl2chan );
685 if( str[strlen( str ) - 1] != ':')
687 /* Ja; Also senden ... */
688 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
691 /* naechsten Channel suchen */
692 chan = Channel_Next( chan );
697 else if( Client_Type( Client ) == CLIENT_SERVER )
699 /* Neuer Server wird im Netz angekuendigt */
701 /* Falsche Anzahl Parameter? */
702 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
704 /* Ist ein Server mit dieser ID bereits registriert? */
705 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
707 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
708 ptr = strchr( Req->argv[3] + 2, '[' );
709 if( ! ptr ) ptr = Req->argv[3];
711 from = Client_GetFromID( Req->prefix );
714 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
715 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
716 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
720 /* Neue Client-Struktur anlegen */
721 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
724 /* Neue Client-Struktur konnte nicht angelegt werden */
725 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
726 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
730 /* Log-Meldung zusammenbauen und ausgeben */
731 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
732 else strcpy( str, "" );
733 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": "" );
735 /* Andere Server informieren */
736 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
740 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
744 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
746 CHAR *channame, *ptr, modes[8];
747 BOOLEAN is_op, is_voiced;
751 assert( Client != NULL );
752 assert( Req != NULL );
754 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
756 /* Falsche Anzahl Parameter? */
757 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
759 channame = Req->argv[0];
760 ptr = strtok( Req->argv[1], "," );
763 is_op = is_voiced = FALSE;
765 /* Prefixe abschneiden */
766 while(( *ptr == '@' ) || ( *ptr == '+' ))
768 if( *ptr == '@' ) is_op = TRUE;
769 if( *ptr == '+' ) is_voiced = TRUE;
773 c = Client_GetFromID( ptr );
776 Channel_Join( c, channame );
777 chan = Channel_Search( channame );
778 assert( chan != NULL );
780 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
781 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
783 /* im Channel bekannt machen */
784 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
786 /* Channel-User-Modes setzen */
787 strcpy( modes, Channel_UserModes( chan, c ));
790 /* Modes im Channel bekannt machen */
791 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
794 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
796 /* naechsten Nick suchen */
797 ptr = strtok( NULL, "," );
800 /* an andere Server weiterleiten */
801 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
807 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
809 CLIENT *intr_c, *target, *c;
812 assert( Client != NULL );
813 assert( Req != NULL );
815 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
817 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 ))
819 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 ))
822 /* User-Registrierung bzw. Nick-Aenderung */
824 /* Falsche Anzahl Parameter? */
825 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
827 /* "Ziel-Client" ermitteln */
828 if( Client_Type( Client ) == CLIENT_SERVER )
830 target = Client_GetFromID( Req->prefix );
831 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
835 /* Ist der Client "restricted"? */
836 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
841 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
842 * wir nichts. So macht es das Original und mind. Snak hat probleme,
843 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
844 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
847 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
848 * will nur die Gross- und Kleinschreibung aendern. Das darf
849 * er natuerlich machen :-) */
850 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
852 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
855 /* Nick-Aenderung: allen mitteilen! */
856 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
857 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
858 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
859 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
861 /* Client-Nick registrieren */
862 Client_SetID( target, Req->argv[0] );
864 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
867 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
868 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
869 else Client_SetType( Client, CLIENT_GOTNICK );
873 else if( Client_Type( Client ) == CLIENT_SERVER )
875 /* Server fuehrt neuen Client ein */
877 /* Falsche Anzahl Parameter? */
878 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
880 /* Nick ueberpruefen */
881 c = Client_GetFromID( Req->argv[0] );
884 /* Der neue Nick ist auf diesem Server bereits registriert:
885 * sowohl der neue, als auch der alte Client muessen nun
886 * disconnectiert werden. */
887 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
888 Kill_Nick( Req->argv[0] );
892 /* Server, zu dem der Client connectiert ist, suchen */
893 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
896 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
897 Kill_Nick( Req->argv[0] );
901 /* Neue Client-Struktur anlegen */
902 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 );
905 /* Eine neue Client-Struktur konnte nicht angelegt werden.
906 * Der Client muss disconnectiert werden, damit der Netz-
907 * status konsistent bleibt. */
908 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
909 Kill_Nick( Req->argv[0] );
913 modes = Client_Modes( c );
914 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": "" );
915 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": "" );
917 /* Andere Server, ausser dem Introducer, informieren */
918 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] );
922 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
926 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
928 assert( Client != NULL );
929 assert( Req != NULL );
932 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
934 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
937 /* Falsche Anzahl Parameter? */
938 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
940 Client_SetUser( Client, Req->argv[0], FALSE );
941 Client_SetInfo( Client, Req->argv[3] );
943 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
944 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
945 else Client_SetType( Client, CLIENT_GOTUSER );
948 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
950 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
952 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
956 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
960 assert( Client != NULL );
961 assert( Req != NULL );
963 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
967 /* Falsche Anzahl Parameter? */
968 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
970 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
971 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
975 else if ( Client_Type( Client ) == CLIENT_SERVER )
979 /* Falsche Anzahl Parameter? */
980 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
982 target = Client_Search( Req->prefix );
985 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
989 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
990 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
994 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
998 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1002 assert( Client != NULL );
1003 assert( Req != NULL );
1005 /* SQUIT ist nur fuer Server erlaubt */
1006 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1008 /* Falsche Anzahl Parameter? */
1009 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1011 target = Client_GetFromID( Req->argv[0] );
1014 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1018 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1019 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1021 /* SQUIT an alle Server weiterleiten */
1022 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1024 if( Client_Conn( target ) > NONE )
1026 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1027 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1028 return DISCONNECTED;
1032 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1038 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1040 CLIENT *target, *from;
1042 assert( Client != NULL );
1043 assert( Req != NULL );
1045 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1047 /* Falsche Anzahl Parameter? */
1048 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1049 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1051 if( Req->argc == 2 )
1053 /* es wurde ein Ziel-Client angegeben */
1054 target = Client_GetFromID( Req->argv[1] );
1055 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1056 if( target != Client_ThisServer( ))
1059 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1061 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1062 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1066 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1067 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1071 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1073 CLIENT *target, *from;
1075 assert( Client != NULL );
1076 assert( Req != NULL );
1078 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1080 /* Falsche Anzahl Parameter? */
1081 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1082 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1085 if( Req->argc == 2 )
1087 target = Client_GetFromID( Req->argv[1] );
1088 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1089 if( target != Client_ThisServer( ))
1092 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1094 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1095 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1099 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1100 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1102 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 )));
1103 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1109 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1111 assert( Client != NULL );
1112 assert( Req != NULL );
1114 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1116 /* Falsche Anzahl Parameter? */
1117 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1119 return Show_MOTD( Client );
1123 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1128 assert( Client != NULL );
1129 assert( Req != NULL );
1131 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1133 /* Falsche Anzahl Parameter? */
1134 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1135 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1136 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1138 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1140 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1142 to = Client_Search( Req->argv[0] );
1145 /* Okay, Ziel ist ein User */
1146 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1147 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1150 chan = Channel_Search( Req->argv[0] );
1153 /* Okay, Ziel ist ein Channel */
1154 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1155 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1158 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1162 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1166 assert( Client != NULL );
1167 assert( Req != NULL );
1169 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1171 /* Falsche Anzahl Parameter? */
1172 if( Req->argc != 2 ) return CONNECTED;
1174 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1176 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1178 to = Client_Search( Req->argv[0] );
1181 /* Okay, Ziel ist ein User */
1182 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1184 else return CONNECTED;
1188 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1190 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1191 CLIENT *cl, *chan_cl, *prefix;
1195 assert( Client != NULL );
1196 assert( Req != NULL );
1198 cl = chan_cl = prefix = NULL;
1201 /* Valider Client? */
1202 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1204 /* Keine Parameter? */
1205 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1207 /* Ziel suchen: Client bzw. Channel */
1208 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1209 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1211 /* Kein Ziel gefunden? */
1212 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1214 assert(( cl && chan ) != TRUE );
1216 /* Falsche Anzahl Parameter? */
1217 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1218 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1220 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1221 if(( chan ) && (Req->argc == 3 ))
1223 chan_cl = Client_Search( Req->argv[2] );
1224 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1227 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1228 if( Client_Type( Client ) == CLIENT_USER )
1232 /* MODE ist nur fuer sich selber zulaessig! */
1233 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1237 /* Darf der User die Channel-Modes ermitteln? */
1241 /* Werden die Modes "nur" erfragt? */
1242 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1243 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1245 mode_ptr = Req->argv[1];
1247 /* Sollen Modes gesetzt oder geloescht werden? */
1250 if( *mode_ptr == '+' ) set = TRUE;
1251 else if( *mode_ptr == '-' ) set = FALSE;
1252 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1257 if( *mode_ptr == '-' ) set = FALSE;
1259 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1262 /* Prefix fuer Antworten etc. ermitteln */
1263 if( Client_Type( Client ) == CLIENT_SERVER )
1265 prefix = Client_GetFromID( Req->prefix );
1266 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1268 else prefix = Client;
1270 /* Reply-String mit Aenderungen vorbereiten */
1271 if( set ) strcpy( the_modes, "+" );
1272 else strcpy( the_modes, "-" );
1279 if( Client_Type( Client ) == CLIENT_SERVER )
1281 /* Befehl kommt von einem Server, daher
1282 * trauen wir ihm "unbesehen" ... */
1287 /* Modes validieren */
1298 /* restricted (kann nur gesetzt werden) */
1299 if( set ) x[0] = 'r';
1300 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1303 /* operator (kann nur geloescht werden) */
1306 Client_SetOperByMe( Client, FALSE );
1309 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1312 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1313 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1319 /* Ist der User ein Channel Operator? */
1320 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1322 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1323 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1327 /* Channel-Modes oder Channel-User-Modes */
1330 /* Channel-User-Modes */
1334 /* Channel Operator */
1342 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 ));
1343 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1361 /* kein Schreiben in den Channel von aussen */
1381 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1382 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1391 if( ! x[0] ) continue;
1393 /* Okay, gueltigen Mode gefunden */
1396 /* Es geht um User-Modes */
1399 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1400 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1404 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1405 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1410 /* Es geht um Channel-Modes oder Channel-User-Modes */
1413 /* Channel-User-Modes */
1416 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1417 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1421 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1422 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1430 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1431 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1435 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1436 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1442 /* Wurden Modes geaendert? */
1448 if( Client_Type( Client ) == CLIENT_SERVER )
1450 /* Modes an andere Server forwarden */
1451 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1455 /* Bestaetigung an Client schicken & andere Server informieren */
1456 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1457 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1459 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1463 /* Channel-Modes oder Channel-User-Mode */
1466 /* Channel-User-Mode */
1467 if( Client_Type( Client ) == CLIENT_SERVER )
1469 /* Modes an andere Server und Channel-User forwarden */
1470 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1471 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1475 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1476 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1477 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1478 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1480 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1485 if( Client_Type( Client ) == CLIENT_SERVER )
1487 /* Modes an andere Server und Channel-User forwarden */
1488 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1489 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1493 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1494 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1495 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1496 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1498 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1507 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1511 assert( Client != NULL );
1512 assert( Req != NULL );
1514 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1516 /* Falsche Anzahl Parameter? */
1517 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1519 /* Operator suchen */
1520 for( i = 0; i < Conf_Oper_Count; i++)
1522 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1524 if( i >= Conf_Oper_Count )
1526 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1527 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1530 /* Stimmt das Passwort? */
1531 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1533 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1534 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1537 if( ! Client_HasMode( Client, 'o' ))
1539 /* noch kein o-Mode gesetzt */
1540 Client_ModeAdd( Client, 'o' );
1541 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1542 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1545 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1547 Client_SetOperByMe( Client, TRUE );
1548 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1552 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1554 assert( Client != NULL );
1555 assert( Req != NULL );
1557 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1559 /* Falsche Anzahl Parameter? */
1560 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1562 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1564 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1570 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1572 assert( Client != NULL );
1573 assert( Req != NULL );
1575 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1577 /* Falsche Anzahl Parameter? */
1578 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1580 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1582 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1583 NGIRCd_Restart = TRUE;
1588 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1590 CHAR rpl[COMMAND_LEN];
1593 assert( Client != NULL );
1594 assert( Req != NULL );
1596 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1598 /* Falsche Anzahl Parameter? */
1599 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1601 /* Noch alle User ausgeben, die in keinem Channel sind */
1603 c = Client_First( );
1606 if( Client_Type( c ) == CLIENT_USER )
1608 /* Okay, das ist ein User */
1609 strcat( rpl, Client_ID( c ));
1613 /* Antwort zu lang? Splitten. */
1614 if( strlen( rpl ) > 480 )
1616 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1617 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1621 c = Client_Next( c );
1625 /* es wurden User gefunden */
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;
1629 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1633 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1635 CHAR rpl[COMMAND_LEN];
1640 assert( Client != NULL );
1641 assert( Req != NULL );
1643 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1645 /* Falsche Anzahl Parameter? */
1646 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1648 strcpy( rpl, RPL_ISON_MSG );
1649 for( i = 0; i < Req->argc; i++ )
1651 ptr = strtok( Req->argv[i], " " );
1655 c = Client_GetFromID( ptr );
1656 if( c && ( Client_Type( c ) == CLIENT_USER ))
1658 /* Dieser Nick ist "online" */
1662 ptr = strtok( NULL, " " );
1665 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1667 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1671 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1673 CLIENT *from, *target, *c;
1674 CHAR str[LINE_LEN + 1], *ptr = NULL;
1678 assert( Client != NULL );
1679 assert( Req != NULL );
1681 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1683 /* Falsche Anzahl Parameter? */
1684 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1687 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1688 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1690 /* Empfaenger des WHOIS suchen */
1691 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1693 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1695 /* Forwarden an anderen Server? */
1698 /* angegebenen Ziel-Server suchen */
1699 target = Client_GetFromID( Req->argv[1] );
1700 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1704 else if( Client_Conn( c ) == NONE )
1706 /* Client ist nicht von uns. Ziel-Server suchen */
1713 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 );
1715 /* Nick, User und Name */
1716 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1719 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;
1722 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1723 cl2chan = Channel_FirstChannelOf( c );
1726 chan = Channel_GetChannel( cl2chan );
1727 assert( chan != NULL );
1729 /* Channel-Name anhaengen */
1730 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1731 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1732 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1733 strcat( str, Channel_Name( chan ));
1735 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1737 /* Zeile wird zu lang: senden! */
1738 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1739 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1742 /* naechstes Mitglied suchen */
1743 cl2chan = Channel_NextChannelOf( c, cl2chan );
1745 if( str[strlen( str ) - 1] != ':')
1747 /* Es sind noch Daten da, die gesendet werden muessen */
1748 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1752 if( Client_HasMode( c, 'o' ))
1754 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1757 /* Idle (nur lokale Clients) */
1758 if( Client_Conn( c ) > NONE )
1760 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1764 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1768 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1770 CHAR rpl[COMMAND_LEN];
1774 assert( Client != NULL );
1775 assert( Req != NULL );
1777 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1779 /* Falsche Anzahl Parameter? */
1780 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1782 if( Req->argc > 5 ) max = 5;
1783 else max = Req->argc;
1785 strcpy( rpl, RPL_USERHOST_MSG );
1786 for( i = 0; i < max; i++ )
1788 c = Client_GetFromID( Req->argv[i] );
1789 if( c && ( Client_Type( c ) == CLIENT_USER ))
1791 /* Dieser Nick ist "online" */
1792 strcat( rpl, Client_ID( c ));
1793 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1795 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1796 else strcat( rpl, "+" );
1797 strcat( rpl, Client_User( c ));
1799 strcat( rpl, Client_Hostname( c ));
1803 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1805 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1806 } /* IRC_USERHOST */
1809 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1811 assert( Client != NULL );
1812 assert( Req != NULL );
1814 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1815 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1821 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1823 CLIENT *target, *from;
1825 assert( Client != NULL );
1826 assert( Req != NULL );
1828 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1830 /* Falsche Anzahl Parameter? */
1831 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1833 /* Absender ermitteln */
1834 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1836 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1838 /* An anderen Server forwarden? */
1839 if( Req->argc == 2 )
1841 target = Client_GetFromID( Req->argv[1] );
1842 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1843 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1846 /* Wer ist der Absender? */
1847 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1848 else target = Client;
1849 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1851 Send_LUSERS( target );
1857 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1859 CLIENT *target, *from, *c;
1862 assert( Client != NULL );
1863 assert( Req != NULL );
1865 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1867 /* Falsche Anzahl Parameter? */
1868 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1870 /* Server-Mask ermitteln */
1871 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1874 /* Absender ermitteln */
1875 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1877 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1879 /* An anderen Server forwarden? */
1880 if( Req->argc == 2 )
1882 target = Client_GetFromID( Req->argv[0] );
1883 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1884 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1887 /* Wer ist der Absender? */
1888 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1889 else target = Client;
1890 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1892 c = Client_First( );
1895 if( Client_Type( c ) == CLIENT_SERVER )
1897 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;
1899 c = Client_Next( c );
1902 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1906 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1908 CHAR *channame, *flags, modes[8];
1909 BOOLEAN is_new_chan;
1913 assert( Client != NULL );
1914 assert( Req != NULL );
1916 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1918 /* Falsche Anzahl Parameter? */
1919 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1921 /* Wer ist der Absender? */
1922 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1923 else target = Client;
1924 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1926 /* Channel-Namen durchgehen */
1927 channame = strtok( Req->argv[0], "," );
1930 /* wird der Channel neu angelegt? */
1933 if( Channel_Search( channame )) is_new_chan = FALSE;
1934 else is_new_chan = TRUE;
1936 /* Hat ein Server Channel-User-Modes uebergeben? */
1937 if( Client_Type( Client ) == CLIENT_SERVER )
1939 /* Channel-Flags extrahieren */
1940 flags = strchr( channame, 0x7 );
1941 if( flags ) *flags++ = '\0';
1944 /* neuer Channel udn lokaler Client? */
1945 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1947 /* Dann soll der Client Channel-Operator werden! */
1951 /* Channel joinen (und ggf. anlegen) */
1952 if( ! Channel_Join( target, channame ))
1954 /* naechsten Namen ermitteln */
1955 channame = strtok( NULL, "," );
1958 chan = Channel_Search( channame );
1959 assert( chan != NULL );
1961 /* Modes setzen (wenn vorhanden) */
1962 while( flags && *flags )
1964 Channel_UserModeAdd( chan, target, *flags );
1968 /* Muessen Modes an andere Server gemeldet werden? */
1969 strcpy( &modes[1], Channel_UserModes( chan, target ));
1970 if( modes[1] ) modes[0] = 0x7;
1971 else modes[0] = '\0';
1973 /* An andere Server weiterleiten */
1974 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1976 /* im Channel bekannt machen */
1977 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1980 /* Modes im Channel bekannt machen */
1981 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1984 if( Client_Type( Client ) == CLIENT_USER )
1986 /* an Client bestaetigen */
1987 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1988 /* Topic an Client schicken */
1989 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1990 /* Mitglieder an Client Melden */
1991 Send_NAMES( Client, chan );
1994 /* naechsten Namen ermitteln */
1995 channame = strtok( NULL, "," );
2001 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2006 assert( Client != NULL );
2007 assert( Req != NULL );
2009 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2011 /* Falsche Anzahl Parameter? */
2012 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2014 /* Wer ist der Absender? */
2015 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2016 else target = Client;
2017 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2019 /* Channel-Namen durchgehen */
2020 chan = strtok( Req->argv[0], "," );
2023 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2025 /* naechsten Namen ermitteln */
2026 chan = strtok( NULL, "," );
2030 /* naechsten Namen ermitteln */
2031 chan = strtok( NULL, "," );
2037 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2039 assert( Client != NULL );
2041 /* Passwort ueberpruefen */
2042 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2044 /* Falsches Passwort */
2045 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2046 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2047 return DISCONNECTED;
2050 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2052 /* Andere Server informieren */
2053 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 ));
2055 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2056 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2057 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2058 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2060 Client_SetType( Client, CLIENT_USER );
2062 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2063 if( ! Show_MOTD( Client )) return DISCONNECTED;
2069 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2075 assert( Client != NULL );
2077 fd = fopen( Conf_MotdFile, "r" );
2080 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2081 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2084 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2087 if( ! fgets( line, 126, fd )) break;
2088 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2089 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2095 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2103 LOCAL VOID Kill_Nick( CHAR *Nick )
2105 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2107 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2111 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2113 CHAR str[LINE_LEN + 1];
2117 assert( Client != NULL );
2118 assert( Chan != NULL );
2120 /* Alle Mitglieder suchen */
2121 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2122 cl2chan = Channel_FirstMember( Chan );
2125 cl = Channel_GetClient( cl2chan );
2127 /* Nick anhaengen */
2128 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2129 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2130 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2131 strcat( str, Client_ID( cl ));
2133 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2135 /* Zeile wird zu lang: senden! */
2136 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2137 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2140 /* naechstes Mitglied suchen */
2141 cl2chan = Channel_NextMember( Chan, cl2chan );
2143 if( str[strlen( str ) - 1] != ':')
2145 /* Es sind noch Daten da, die gesendet werden muessen */
2146 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2150 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2156 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2160 assert( Client != NULL );
2162 /* Users, Services und Serevr im Netz */
2163 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2165 /* IRC-Operatoren im Netz */
2166 cnt = Client_OperCount( );
2169 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2172 /* Unbekannt Verbindungen */
2173 cnt = Client_UnknownCount( );
2176 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2179 /* Channels im Netz */
2180 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2182 /* Channels im Netz */
2183 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;