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 1.62 2002/02/17 23:38:58 alex Exp $
17 * Revision 1.62 2002/02/17 23:38:58 alex
18 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
20 * Revision 1.61 2002/02/17 19:03:12 alex
21 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
23 * Revision 1.60 2002/02/17 17:43:14 alex
24 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
26 * Revision 1.59 2002/02/17 17:30:21 alex
27 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
28 * - Neue Funktion IRC_WriteStrRelatedPrefix().
30 * Revision 1.58 2002/02/17 17:18:59 alex
33 * Revision 1.57 2002/02/13 23:05:29 alex
34 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
36 * Revision 1.56 2002/02/13 17:52:27 alex
37 * - es werden nun Channel- und User-Modes von Usern angenommen.
39 * Revision 1.55 2002/02/12 14:40:37 alex
40 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
42 * Revision 1.54 2002/02/11 23:33:35 alex
43 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
45 * Revision 1.53 2002/02/11 16:06:21 alex
46 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
48 * Revision 1.52 2002/02/11 15:52:21 alex
49 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
50 * - Channel-Modes wurden falsch geliefert (als User-Modes).
52 * Revision 1.51 2002/02/11 15:15:53 alex
53 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
54 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
56 * Revision 1.50 2002/02/11 01:03:20 alex
57 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
58 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
59 * angelegt wird, werden Channel-Operator, etc. pp. ...
60 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
62 * Revision 1.49 2002/02/06 16:51:22 alex
63 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
65 * Revision 1.48 2002/01/29 00:13:45 alex
66 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
67 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
68 * LINKS wieder korrekt.
70 * Revision 1.47 2002/01/28 13:05:48 alex
71 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
72 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
74 * Revision 1.46 2002/01/28 01:45:43 alex
75 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
77 * Revision 1.45 2002/01/28 01:18:14 alex
78 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
80 * Revision 1.44 2002/01/28 00:55:08 alex
81 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
83 * Revision 1.43 2002/01/27 21:56:39 alex
84 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
85 * - einige kleinere Fixes bezueglich Channels ...
87 * Revision 1.42 2002/01/27 18:28:01 alex
88 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
90 * Revision 1.41 2002/01/27 17:15:49 alex
91 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
92 * IRC_WriteStrChannelPrefix(),
93 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
95 * Revision 1.40 2002/01/26 18:43:11 alex
96 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
97 * die IRC_Write_xxx_Related() sind dafuer entfallen.
98 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
100 * Revision 1.39 2002/01/21 00:05:11 alex
101 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
102 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
103 * - diverse Aenderungen im Zusammenhang mit Channels.
105 * Revision 1.38 2002/01/18 15:31:32 alex
106 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
108 * Revision 1.37 2002/01/16 22:10:18 alex
109 * - IRC_LUSERS() implementiert.
111 * Revision 1.36 2002/01/11 23:50:55 alex
112 * - LINKS implementiert, LUSERS begonnen.
114 * Revision 1.35 2002/01/09 21:30:45 alex
115 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
117 * Revision 1.34 2002/01/09 01:09:58 alex
118 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
119 * - andere Server werden nun ueber bisherige Server und User informiert.
121 * Revision 1.33 2002/01/07 23:42:12 alex
122 * - Es werden fuer alle Server eigene Token generiert,
123 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
124 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
126 * Revision 1.32 2002/01/07 16:02:36 alex
127 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
128 * - Im Debug-Mode werden nun auch PING's protokolliert.
130 * Revision 1.31 2002/01/07 15:39:46 alex
131 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
132 * - MODE und NICK melden nun die Aenderungen an andere Server.
134 * Revision 1.30 2002/01/06 15:21:29 alex
135 * - Loglevel und Meldungen nochmals ueberarbeitet.
136 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
137 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
139 * Revision 1.29 2002/01/05 23:24:54 alex
140 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
141 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
143 * Revision 1.28 2002/01/05 20:08:02 alex
144 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
145 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
147 * Revision 1.27 2002/01/05 19:15:03 alex
148 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
150 * Revision 1.26 2002/01/05 16:51:18 alex
151 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
153 * Revision 1.25 2002/01/05 00:48:33 alex
154 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
156 * Revision 1.24 2002/01/04 17:58:44 alex
157 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
158 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
160 * Revision 1.23 2002/01/04 01:36:40 alex
161 * - Loglevel ein wenig angepasst.
163 * Revision 1.22 2002/01/04 01:21:47 alex
164 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
165 * - Weitere Anpassungen und Erweiterungen der Server-Links.
167 * Revision 1.21 2002/01/03 02:26:51 alex
168 * - neue Befehle SERVER und NJOIN begonnen,
169 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
171 * Revision 1.20 2002/01/02 12:46:41 alex
172 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
174 * Revision 1.19 2002/01/02 02:51:39 alex
175 * - Copyright-Texte angepasst.
176 * - neuer Befehl "ERROR".
178 * Revision 1.17 2001/12/31 15:33:13 alex
179 * - neuer Befehl NAMES, kleinere Bugfixes.
180 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
182 * Revision 1.16 2001/12/31 02:18:51 alex
183 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
184 * - neuen Header "defines.h" mit (fast) allen Konstanten.
185 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
187 * Revision 1.15 2001/12/30 19:26:11 alex
188 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
190 * Revision 1.14 2001/12/30 11:42:00 alex
191 * - der Server meldet nun eine ordentliche "Start-Zeit".
193 * Revision 1.13 2001/12/29 03:10:06 alex
194 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
195 * - neue configure-Optione "--enable-strict-rfc".
197 * Revision 1.12 2001/12/27 19:17:26 alex
198 * - neue Befehle PRIVMSG, NOTICE, PING.
200 * Revision 1.11 2001/12/27 16:55:41 alex
201 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
203 * Revision 1.10 2001/12/26 22:48:53 alex
204 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
206 * Revision 1.9 2001/12/26 14:45:37 alex
209 * Revision 1.8 2001/12/26 03:21:46 alex
210 * - PING/PONG-Befehle implementiert,
211 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
213 * Revision 1.7 2001/12/25 23:25:18 alex
214 * - und nochmal Aenderungen am Logging ;-)
216 * Revision 1.6 2001/12/25 23:13:33 alex
217 * - Debug-Meldungen angepasst.
219 * Revision 1.5 2001/12/25 22:02:42 alex
220 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
222 * Revision 1.4 2001/12/25 19:19:30 alex
223 * - bessere Fehler-Abfragen, diverse Bugfixes.
224 * - Nicks werden nur einmal vergeben :-)
225 * - /MOTD wird unterstuetzt.
227 * Revision 1.3 2001/12/24 01:34:06 alex
228 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
229 * - MOTD-Ausgabe begonnen zu implementieren.
231 * Revision 1.2 2001/12/23 21:57:16 alex
232 * - erste IRC-Befehle zu implementieren begonnen.
234 * Revision 1.1 2001/12/14 08:13:43 alex
235 * - neues Modul begonnen :-)
256 #include "messages.h"
264 #define CONNECTED TRUE
265 #define DISCONNECTED FALSE
268 LOCAL BOOLEAN Hello_User( CLIENT *Client );
269 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
271 LOCAL VOID Kill_Nick( CHAR *Nick );
273 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
274 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
277 GLOBAL VOID IRC_Init( VOID )
282 GLOBAL VOID IRC_Exit( VOID )
287 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
290 BOOLEAN ok = CONNECTED;
293 assert( Client != NULL );
294 assert( Format != NULL );
296 va_start( ap, Format );
297 vsnprintf( buffer, 1000, Format, ap );
300 /* an den Client selber */
301 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
304 } /* IRC_WriteStrClient */
307 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
309 /* Text an Clients, lokal bzw. remote, senden. */
314 assert( Client != NULL );
315 assert( Format != NULL );
316 assert( Prefix != NULL );
318 va_start( ap, Format );
319 vsnprintf( buffer, 1000, Format, ap );
322 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
323 } /* IRC_WriteStrClientPrefix */
326 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
331 assert( Client != NULL );
332 assert( Format != NULL );
334 va_start( ap, Format );
335 vsnprintf( buffer, 1000, Format, ap );
338 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
339 } /* IRC_WriteStrChannel */
342 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
345 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
351 assert( Client != NULL );
352 assert( Chan != NULL );
353 assert( Prefix != NULL );
354 assert( Format != NULL );
356 va_start( ap, Format );
357 vsnprintf( buffer, 1000, Format, ap );
360 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
362 /* An alle Clients, die in den selben Channels sind.
363 * Dabei aber nur einmal je Remote-Server */
364 cl2chan = Channel_FirstMember( Chan );
367 c = Channel_GetClient( cl2chan );
370 if( Client_Conn( c ) <= NONE ) c = NULL;
371 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
373 if( c ) c = Client_NextHop( c );
375 if( c && ( c != Client ))
377 /* Ok, anderer Client */
378 s = Client_Conn( c );
380 assert( s < MAX_CONNECTIONS );
383 cl2chan = Channel_NextMember( Chan, cl2chan );
387 for( i = 0; i < MAX_CONNECTIONS; i++ )
391 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
396 } /* IRC_WriteStrChannelPrefix */
399 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
404 assert( Format != NULL );
406 va_start( ap, Format );
407 vsnprintf( buffer, 1000, Format, ap );
410 /* an den Client selber */
411 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
412 } /* IRC_WriteStrServers */
415 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
421 assert( Format != NULL );
422 assert( Prefix != NULL );
424 va_start( ap, Format );
425 vsnprintf( buffer, 1000, Format, ap );
431 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
433 /* Ziel-Server gefunden */
434 IRC_WriteStrClientPrefix( c, Prefix, buffer );
436 c = Client_Next( c );
438 } /* IRC_WriteStrServersPrefix */
441 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
443 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
444 CL2CHAN *chan_cl2chan, *cl2chan;
451 assert( Client != NULL );
452 assert( Prefix != NULL );
453 assert( Format != NULL );
455 va_start( ap, Format );
456 vsnprintf( buffer, 1000, Format, ap );
460 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
462 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
463 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
464 chan_cl2chan = Channel_FirstChannelOf( Client );
465 while( chan_cl2chan )
467 /* Channel des Users durchsuchen */
468 chan = Channel_GetChannel( chan_cl2chan );
469 cl2chan = Channel_FirstMember( chan );
472 c = Channel_GetClient( cl2chan );
475 if( Client_Conn( c ) <= NONE ) c = NULL;
476 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
478 if( c ) c = Client_NextHop( c );
480 if( c && ( c != Client ))
482 /* Ok, anderer Client */
483 s = Client_Conn( c );
485 assert( s < MAX_CONNECTIONS );
488 cl2chan = Channel_NextMember( chan, cl2chan );
491 /* naechsten Channel */
492 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
496 for( i = 0; i < MAX_CONNECTIONS; i++ )
500 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
505 } /* IRC_WriteStrRelatedPrefix */
509 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
511 assert( Client != NULL );
512 assert( Req != NULL );
514 /* Fehler liefern, wenn kein lokaler Client */
515 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
517 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
519 /* noch nicht registrierte unbekannte Verbindung */
520 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
522 /* Passwort speichern */
523 Client_SetPassword( Client, Req->argv[0] );
525 Client_SetType( Client, CLIENT_GOTPASS );
528 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
530 /* noch nicht registrierte Server-Verbindung */
531 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
533 /* Passwort speichern */
534 Client_SetPassword( Client, Req->argv[0] );
536 Client_SetType( Client, CLIENT_GOTPASSSERVER );
539 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
541 /* Falsche Anzahl Parameter? */
542 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
544 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
548 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
550 CHAR str[LINE_LEN], *ptr;
551 CLIENT *from, *c, *cl;
557 assert( Client != NULL );
558 assert( Req != NULL );
560 /* Fehler liefern, wenn kein lokaler Client */
561 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
563 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
565 /* Verbindung soll als Server-Server-Verbindung registriert werden */
566 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
568 /* Falsche Anzahl Parameter? */
569 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
571 /* Ist dieser Server bei uns konfiguriert? */
572 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
573 if( i >= Conf_Server_Count )
575 /* Server ist nicht konfiguriert! */
576 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
577 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
580 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
582 /* Falsches Passwort */
583 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
584 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
588 /* Ist ein Server mit dieser ID bereits registriert? */
589 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
591 /* Server-Strukturen fuellen ;-) */
592 Client_SetID( Client, Req->argv[0] );
593 Client_SetHops( Client, 1 );
594 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
596 /* Meldet sich der Server bei uns an? */
599 /* Unseren SERVER- und PASS-Befehl senden */
601 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
602 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
605 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
608 Client_SetIntroducer( Client, Client );
609 Client_SetToken( Client, 1 );
611 else Client_SetToken( Client, atoi( Req->argv[1] ));
613 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
615 Client_SetType( Client, CLIENT_SERVER );
617 /* maximalen Hop Count ermitteln */
622 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
623 c = Client_Next( c );
626 /* Alle bisherigen Server dem neuen Server bekannt machen,
627 * die bisherigen Server ueber den neuen informierenn */
628 for( i = 0; i < ( max_hops + 1 ); i++ )
633 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
635 if( Client_Conn( c ) > NONE )
637 /* Dem gefundenen Server gleich den neuen
638 * Server bekannt machen */
639 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
642 /* Den neuen Server ueber den alten informieren */
643 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;
645 c = Client_Next( c );
649 /* alle User dem neuen Server bekannt machen */
653 if( Client_Type( c ) == CLIENT_USER )
655 /* User an neuen Server melden */
656 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;
658 c = Client_Next( c );
661 /* Channels dem neuen Server bekannt machen */
662 chan = Channel_First( );
665 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
667 /* alle Member suchen */
668 cl2chan = Channel_FirstMember( chan );
671 cl = Channel_GetClient( cl2chan );
672 assert( cl != NULL );
674 /* Nick, ggf. mit Modes, anhaengen */
675 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
676 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
677 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
678 strcat( str, Client_ID( cl ));
680 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
683 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
684 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
687 cl2chan = Channel_NextMember( chan, cl2chan );
691 if( str[strlen( str ) - 1] != ':')
693 /* Ja; Also senden ... */
694 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
697 /* naechsten Channel suchen */
698 chan = Channel_Next( chan );
703 else if( Client_Type( Client ) == CLIENT_SERVER )
705 /* Neuer Server wird im Netz angekuendigt */
707 /* Falsche Anzahl Parameter? */
708 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
710 /* Ist ein Server mit dieser ID bereits registriert? */
711 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
713 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
714 ptr = strchr( Req->argv[3] + 2, '[' );
715 if( ! ptr ) ptr = Req->argv[3];
717 from = Client_GetFromID( Req->prefix );
720 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
721 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
722 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
726 /* Neue Client-Struktur anlegen */
727 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
730 /* Neue Client-Struktur konnte nicht angelegt werden */
731 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
732 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
736 /* Log-Meldung zusammenbauen und ausgeben */
737 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
738 else strcpy( str, "" );
739 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": "" );
741 /* Andere Server informieren */
742 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
746 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
750 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
752 CHAR *channame, *ptr, modes[8];
753 BOOLEAN is_op, is_voiced;
757 assert( Client != NULL );
758 assert( Req != NULL );
760 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
762 /* Falsche Anzahl Parameter? */
763 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
765 channame = Req->argv[0];
766 ptr = strtok( Req->argv[1], "," );
769 is_op = is_voiced = FALSE;
771 /* Prefixe abschneiden */
772 while(( *ptr == '@' ) || ( *ptr == '+' ))
774 if( *ptr == '@' ) is_op = TRUE;
775 if( *ptr == '+' ) is_voiced = TRUE;
779 c = Client_GetFromID( ptr );
782 Channel_Join( c, channame );
783 chan = Channel_Search( channame );
784 assert( chan != NULL );
786 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
787 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
789 /* im Channel bekannt machen */
790 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
792 /* Channel-User-Modes setzen */
793 strcpy( modes, Channel_UserModes( chan, c ));
796 /* Modes im Channel bekannt machen */
797 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
800 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
802 /* naechsten Nick suchen */
803 ptr = strtok( NULL, "," );
806 /* an andere Server weiterleiten */
807 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
813 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
815 CLIENT *intr_c, *target, *c;
818 assert( Client != NULL );
819 assert( Req != NULL );
821 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
823 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 ))
825 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 ))
828 /* User-Registrierung bzw. Nick-Aenderung */
830 /* Falsche Anzahl Parameter? */
831 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
833 /* "Ziel-Client" ermitteln */
834 if( Client_Type( Client ) == CLIENT_SERVER )
836 target = Client_GetFromID( Req->prefix );
837 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
841 /* Ist der Client "restricted"? */
842 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
847 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
848 * wir nichts. So macht es das Original und mind. Snak hat probleme,
849 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
850 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
853 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
854 * will nur die Gross- und Kleinschreibung aendern. Das darf
855 * er natuerlich machen :-) */
856 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
858 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
861 /* Nick-Aenderung: allen mitteilen! */
862 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
863 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
864 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
865 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
867 /* Client-Nick registrieren */
868 Client_SetID( target, Req->argv[0] );
870 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
873 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
874 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
875 else Client_SetType( Client, CLIENT_GOTNICK );
879 else if( Client_Type( Client ) == CLIENT_SERVER )
881 /* Server fuehrt neuen Client ein */
883 /* Falsche Anzahl Parameter? */
884 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
886 /* Nick ueberpruefen */
887 c = Client_GetFromID( Req->argv[0] );
890 /* Der neue Nick ist auf diesem Server bereits registriert:
891 * sowohl der neue, als auch der alte Client muessen nun
892 * disconnectiert werden. */
893 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
894 Kill_Nick( Req->argv[0] );
898 /* Server, zu dem der Client connectiert ist, suchen */
899 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
902 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
903 Kill_Nick( Req->argv[0] );
907 /* Neue Client-Struktur anlegen */
908 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 );
911 /* Eine neue Client-Struktur konnte nicht angelegt werden.
912 * Der Client muss disconnectiert werden, damit der Netz-
913 * status konsistent bleibt. */
914 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
915 Kill_Nick( Req->argv[0] );
919 modes = Client_Modes( c );
920 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": "" );
921 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": "" );
923 /* Andere Server, ausser dem Introducer, informieren */
924 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] );
928 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
932 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
934 assert( Client != NULL );
935 assert( Req != NULL );
938 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
940 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
943 /* Falsche Anzahl Parameter? */
944 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
946 Client_SetUser( Client, Req->argv[0], FALSE );
947 Client_SetInfo( Client, Req->argv[3] );
949 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
950 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
951 else Client_SetType( Client, CLIENT_GOTUSER );
954 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
956 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
958 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
962 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
966 assert( Client != NULL );
967 assert( Req != NULL );
969 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
973 /* Falsche Anzahl Parameter? */
974 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
976 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
977 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
981 else if ( Client_Type( Client ) == CLIENT_SERVER )
985 /* Falsche Anzahl Parameter? */
986 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
988 target = Client_Search( Req->prefix );
991 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
995 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
996 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1000 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1004 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1008 assert( Client != NULL );
1009 assert( Req != NULL );
1011 /* SQUIT ist nur fuer Server erlaubt */
1012 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1014 /* Falsche Anzahl Parameter? */
1015 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1017 target = Client_GetFromID( Req->argv[0] );
1020 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1024 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1025 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1027 /* SQUIT an alle Server weiterleiten */
1028 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1030 if( Client_Conn( target ) > NONE )
1032 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1033 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1034 return DISCONNECTED;
1038 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1044 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1046 CLIENT *target, *from;
1048 assert( Client != NULL );
1049 assert( Req != NULL );
1051 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1053 /* Falsche Anzahl Parameter? */
1054 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1055 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1057 if( Req->argc == 2 )
1059 /* es wurde ein Ziel-Client angegeben */
1060 target = Client_GetFromID( Req->argv[1] );
1061 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1062 if( target != Client_ThisServer( ))
1065 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1067 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1068 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1072 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1073 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1077 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1079 CLIENT *target, *from;
1081 assert( Client != NULL );
1082 assert( Req != NULL );
1084 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1086 /* Falsche Anzahl Parameter? */
1087 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1088 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1091 if( Req->argc == 2 )
1093 target = Client_GetFromID( Req->argv[1] );
1094 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1095 if( target != Client_ThisServer( ))
1098 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1100 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1101 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1105 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1106 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1108 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 )));
1109 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1115 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1117 assert( Client != NULL );
1118 assert( Req != NULL );
1120 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1122 /* Falsche Anzahl Parameter? */
1123 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1125 return Show_MOTD( Client );
1129 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1134 assert( Client != NULL );
1135 assert( Req != NULL );
1137 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1139 /* Falsche Anzahl Parameter? */
1140 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1141 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1142 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1144 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1146 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1148 to = Client_Search( Req->argv[0] );
1151 /* Okay, Ziel ist ein User */
1152 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1153 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1156 chan = Channel_Search( Req->argv[0] );
1159 /* Okay, Ziel ist ein Channel */
1160 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1161 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1164 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1168 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1172 assert( Client != NULL );
1173 assert( Req != NULL );
1175 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1177 /* Falsche Anzahl Parameter? */
1178 if( Req->argc != 2 ) return CONNECTED;
1180 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1182 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1184 to = Client_Search( Req->argv[0] );
1187 /* Okay, Ziel ist ein User */
1188 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1190 else return CONNECTED;
1194 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1196 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1197 CLIENT *cl, *chan_cl, *prefix;
1201 assert( Client != NULL );
1202 assert( Req != NULL );
1204 cl = chan_cl = prefix = NULL;
1207 /* Valider Client? */
1208 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1210 /* Keine Parameter? */
1211 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1213 /* Ziel suchen: Client bzw. Channel */
1214 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1215 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1217 /* Kein Ziel gefunden? */
1218 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1220 assert(( cl && chan ) != TRUE );
1222 /* Falsche Anzahl Parameter? */
1223 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1224 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1226 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1227 if(( chan ) && (Req->argc == 3 ))
1229 chan_cl = Client_Search( Req->argv[2] );
1230 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1233 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1234 if( Client_Type( Client ) == CLIENT_USER )
1238 /* MODE ist nur fuer sich selber zulaessig! */
1239 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1243 /* Darf der User die Channel-Modes ermitteln? */
1247 /* Werden die Modes "nur" erfragt? */
1248 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1249 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1251 mode_ptr = Req->argv[1];
1253 /* Sollen Modes gesetzt oder geloescht werden? */
1256 if( *mode_ptr == '+' ) set = TRUE;
1257 else if( *mode_ptr == '-' ) set = FALSE;
1258 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1263 if( *mode_ptr == '-' ) set = FALSE;
1265 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1268 /* Prefix fuer Antworten etc. ermitteln */
1269 if( Client_Type( Client ) == CLIENT_SERVER )
1271 prefix = Client_GetFromID( Req->prefix );
1272 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1274 else prefix = Client;
1276 /* Reply-String mit Aenderungen vorbereiten */
1277 if( set ) strcpy( the_modes, "+" );
1278 else strcpy( the_modes, "-" );
1285 if( Client_Type( Client ) == CLIENT_SERVER )
1287 /* Befehl kommt von einem Server, daher
1288 * trauen wir ihm "unbesehen" ... */
1293 /* Modes validieren */
1304 /* restricted (kann nur gesetzt werden) */
1305 if( set ) x[0] = 'r';
1306 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1309 /* operator (kann nur geloescht werden) */
1312 Client_SetOperByMe( Client, FALSE );
1315 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1318 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1319 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1325 /* Ist der User ein Channel Operator? */
1326 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1328 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1329 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1333 /* Channel-Modes oder Channel-User-Modes */
1336 /* Channel-User-Modes */
1340 /* Channel Operator */
1348 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 ));
1349 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1367 /* kein Schreiben in den Channel von aussen */
1387 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1388 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1397 if( ! x[0] ) continue;
1399 /* Okay, gueltigen Mode gefunden */
1402 /* Es geht um User-Modes */
1405 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1406 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1410 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1411 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1416 /* Es geht um Channel-Modes oder Channel-User-Modes */
1419 /* Channel-User-Modes */
1422 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1423 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1427 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1428 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1436 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1437 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1441 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1442 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1448 /* Wurden Modes geaendert? */
1454 if( Client_Type( Client ) == CLIENT_SERVER )
1456 /* Modes an andere Server forwarden */
1457 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1461 /* Bestaetigung an Client schicken & andere Server informieren */
1462 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1463 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1465 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1469 /* Channel-Modes oder Channel-User-Mode */
1472 /* Channel-User-Mode */
1473 if( Client_Type( Client ) == CLIENT_SERVER )
1475 /* Modes an andere Server und Channel-User forwarden */
1476 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1477 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1481 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1482 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1483 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1484 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1486 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1491 if( Client_Type( Client ) == CLIENT_SERVER )
1493 /* Modes an andere Server und Channel-User forwarden */
1494 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1495 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1499 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1500 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1501 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1502 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1504 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1513 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1517 assert( Client != NULL );
1518 assert( Req != NULL );
1520 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1522 /* Falsche Anzahl Parameter? */
1523 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1525 /* Operator suchen */
1526 for( i = 0; i < Conf_Oper_Count; i++)
1528 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1530 if( i >= Conf_Oper_Count )
1532 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1533 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1536 /* Stimmt das Passwort? */
1537 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1539 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1540 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1543 if( ! Client_HasMode( Client, 'o' ))
1545 /* noch kein o-Mode gesetzt */
1546 Client_ModeAdd( Client, 'o' );
1547 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1548 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1551 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1553 Client_SetOperByMe( Client, TRUE );
1554 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1558 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1560 assert( Client != NULL );
1561 assert( Req != NULL );
1563 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1565 /* Falsche Anzahl Parameter? */
1566 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1568 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1570 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1576 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1578 assert( Client != NULL );
1579 assert( Req != NULL );
1581 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1583 /* Falsche Anzahl Parameter? */
1584 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1586 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1588 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1589 NGIRCd_Restart = TRUE;
1594 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1596 CHAR rpl[COMMAND_LEN];
1599 assert( Client != NULL );
1600 assert( Req != NULL );
1602 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1604 /* Falsche Anzahl Parameter? */
1605 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1607 /* Noch alle User ausgeben, die in keinem Channel sind */
1609 c = Client_First( );
1612 if( Client_Type( c ) == CLIENT_USER )
1614 /* Okay, das ist ein User */
1615 strcat( rpl, Client_ID( c ));
1619 /* Antwort zu lang? Splitten. */
1620 if( strlen( rpl ) > 480 )
1622 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1623 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1627 c = Client_Next( c );
1631 /* es wurden User gefunden */
1632 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1633 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1635 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1639 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1641 CHAR rpl[COMMAND_LEN];
1646 assert( Client != NULL );
1647 assert( Req != NULL );
1649 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1651 /* Falsche Anzahl Parameter? */
1652 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1654 strcpy( rpl, RPL_ISON_MSG );
1655 for( i = 0; i < Req->argc; i++ )
1657 ptr = strtok( Req->argv[i], " " );
1661 c = Client_GetFromID( ptr );
1662 if( c && ( Client_Type( c ) == CLIENT_USER ))
1664 /* Dieser Nick ist "online" */
1668 ptr = strtok( NULL, " " );
1671 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1673 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1677 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1679 CLIENT *from, *target, *c;
1680 CHAR str[LINE_LEN + 1], *ptr = NULL;
1684 assert( Client != NULL );
1685 assert( Req != NULL );
1687 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1689 /* Falsche Anzahl Parameter? */
1690 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1693 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1694 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1696 /* Empfaenger des WHOIS suchen */
1697 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1699 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1701 /* Forwarden an anderen Server? */
1704 /* angegebenen Ziel-Server suchen */
1705 target = Client_GetFromID( Req->argv[1] );
1706 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1710 else if( Client_Conn( c ) == NONE )
1712 /* Client ist nicht von uns. Ziel-Server suchen */
1719 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 );
1721 /* Nick, User und Name */
1722 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1725 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;
1728 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1729 cl2chan = Channel_FirstChannelOf( c );
1732 chan = Channel_GetChannel( cl2chan );
1733 assert( chan != NULL );
1735 /* Channel-Name anhaengen */
1736 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1737 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1738 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1739 strcat( str, Channel_Name( chan ));
1741 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1743 /* Zeile wird zu lang: senden! */
1744 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1745 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1748 /* naechstes Mitglied suchen */
1749 cl2chan = Channel_NextChannelOf( c, cl2chan );
1751 if( str[strlen( str ) - 1] != ':')
1753 /* Es sind noch Daten da, die gesendet werden muessen */
1754 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1758 if( Client_HasMode( c, 'o' ))
1760 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1763 /* Idle (nur lokale Clients) */
1764 if( Client_Conn( c ) > NONE )
1766 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1770 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1774 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1776 CHAR rpl[COMMAND_LEN];
1780 assert( Client != NULL );
1781 assert( Req != NULL );
1783 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1785 /* Falsche Anzahl Parameter? */
1786 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1788 if( Req->argc > 5 ) max = 5;
1789 else max = Req->argc;
1791 strcpy( rpl, RPL_USERHOST_MSG );
1792 for( i = 0; i < max; i++ )
1794 c = Client_GetFromID( Req->argv[i] );
1795 if( c && ( Client_Type( c ) == CLIENT_USER ))
1797 /* Dieser Nick ist "online" */
1798 strcat( rpl, Client_ID( c ));
1799 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1801 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1802 else strcat( rpl, "+" );
1803 strcat( rpl, Client_User( c ));
1805 strcat( rpl, Client_Hostname( c ));
1809 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1811 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1812 } /* IRC_USERHOST */
1815 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1817 assert( Client != NULL );
1818 assert( Req != NULL );
1820 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1821 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1827 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1829 CLIENT *target, *from;
1831 assert( Client != NULL );
1832 assert( Req != NULL );
1834 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1836 /* Falsche Anzahl Parameter? */
1837 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1839 /* Absender ermitteln */
1840 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1842 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1844 /* An anderen Server forwarden? */
1845 if( Req->argc == 2 )
1847 target = Client_GetFromID( Req->argv[1] );
1848 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1849 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1852 /* Wer ist der Absender? */
1853 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1854 else target = Client;
1855 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1857 Send_LUSERS( target );
1863 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1865 CLIENT *target, *from, *c;
1868 assert( Client != NULL );
1869 assert( Req != NULL );
1871 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1873 /* Falsche Anzahl Parameter? */
1874 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1876 /* Server-Mask ermitteln */
1877 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1880 /* Absender ermitteln */
1881 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1883 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1885 /* An anderen Server forwarden? */
1886 if( Req->argc == 2 )
1888 target = Client_GetFromID( Req->argv[0] );
1889 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1890 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1893 /* Wer ist der Absender? */
1894 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1895 else target = Client;
1896 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1898 c = Client_First( );
1901 if( Client_Type( c ) == CLIENT_SERVER )
1903 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;
1905 c = Client_Next( c );
1908 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1912 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1914 CHAR *channame, *flags, modes[8];
1915 BOOLEAN is_new_chan;
1919 assert( Client != NULL );
1920 assert( Req != NULL );
1922 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1924 /* Falsche Anzahl Parameter? */
1925 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1927 /* Wer ist der Absender? */
1928 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1929 else target = Client;
1930 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1932 /* Channel-Namen durchgehen */
1933 channame = strtok( Req->argv[0], "," );
1936 /* wird der Channel neu angelegt? */
1939 if( Channel_Search( channame )) is_new_chan = FALSE;
1940 else is_new_chan = TRUE;
1942 /* Hat ein Server Channel-User-Modes uebergeben? */
1943 if( Client_Type( Client ) == CLIENT_SERVER )
1945 /* Channel-Flags extrahieren */
1946 flags = strchr( channame, 0x7 );
1947 if( flags ) *flags++ = '\0';
1950 /* neuer Channel udn lokaler Client? */
1951 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1953 /* Dann soll der Client Channel-Operator werden! */
1957 /* Channel joinen (und ggf. anlegen) */
1958 if( ! Channel_Join( target, channame ))
1960 /* naechsten Namen ermitteln */
1961 channame = strtok( NULL, "," );
1964 chan = Channel_Search( channame );
1965 assert( chan != NULL );
1967 /* Modes setzen (wenn vorhanden) */
1968 while( flags && *flags )
1970 Channel_UserModeAdd( chan, target, *flags );
1974 /* Muessen Modes an andere Server gemeldet werden? */
1975 strcpy( &modes[1], Channel_UserModes( chan, target ));
1976 if( modes[1] ) modes[0] = 0x7;
1977 else modes[0] = '\0';
1979 /* An andere Server weiterleiten */
1980 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1982 /* im Channel bekannt machen */
1983 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1986 /* Modes im Channel bekannt machen */
1987 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1990 if( Client_Type( Client ) == CLIENT_USER )
1992 /* an Client bestaetigen */
1993 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1994 /* Topic an Client schicken */
1995 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1996 /* Mitglieder an Client Melden */
1997 Send_NAMES( Client, chan );
2000 /* naechsten Namen ermitteln */
2001 channame = strtok( NULL, "," );
2007 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2012 assert( Client != NULL );
2013 assert( Req != NULL );
2015 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2017 /* Falsche Anzahl Parameter? */
2018 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2020 /* Wer ist der Absender? */
2021 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2022 else target = Client;
2023 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2025 /* Channel-Namen durchgehen */
2026 chan = strtok( Req->argv[0], "," );
2029 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2031 /* naechsten Namen ermitteln */
2032 chan = strtok( NULL, "," );
2036 /* naechsten Namen ermitteln */
2037 chan = strtok( NULL, "," );
2043 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2047 assert( Client != NULL );
2048 assert( Req != NULL );
2050 /* Falsche Anzahl Parameter? */
2051 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2054 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2055 else target = Client_ThisServer( );
2057 /* An anderen Server weiterleiten? */
2058 if( target != Client_ThisServer( ))
2060 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2061 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2065 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_Debug ? ( NGIRCd_Sniffer ? "2" : "1" ) : "0", Conf_ServerName, NGIRCd_VersionAddition( ));
2069 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2071 assert( Client != NULL );
2073 /* Passwort ueberpruefen */
2074 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2076 /* Falsches Passwort */
2077 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2078 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2079 return DISCONNECTED;
2082 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2084 /* Andere Server informieren */
2085 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 ));
2087 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2088 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2089 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2090 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2092 Client_SetType( Client, CLIENT_USER );
2094 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2095 if( ! Show_MOTD( Client )) return DISCONNECTED;
2101 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2107 assert( Client != NULL );
2109 fd = fopen( Conf_MotdFile, "r" );
2112 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2113 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2116 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2119 if( ! fgets( line, 126, fd )) break;
2120 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2121 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2127 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2135 LOCAL VOID Kill_Nick( CHAR *Nick )
2137 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2139 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2143 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2145 CHAR str[LINE_LEN + 1];
2149 assert( Client != NULL );
2150 assert( Chan != NULL );
2152 /* Alle Mitglieder suchen */
2153 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2154 cl2chan = Channel_FirstMember( Chan );
2157 cl = Channel_GetClient( cl2chan );
2159 /* Nick anhaengen */
2160 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2161 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2162 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2163 strcat( str, Client_ID( cl ));
2165 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2167 /* Zeile wird zu lang: senden! */
2168 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2169 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2172 /* naechstes Mitglied suchen */
2173 cl2chan = Channel_NextMember( Chan, cl2chan );
2175 if( str[strlen( str ) - 1] != ':')
2177 /* Es sind noch Daten da, die gesendet werden muessen */
2178 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2182 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2188 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2192 assert( Client != NULL );
2194 /* Users, Services und Serevr im Netz */
2195 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2197 /* IRC-Operatoren im Netz */
2198 cnt = Client_OperCount( );
2201 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2204 /* Unbekannt Verbindungen */
2205 cnt = Client_UnknownCount( );
2208 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2211 /* Channels im Netz */
2212 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2214 /* Channels im Netz */
2215 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;