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 1.58 2002/02/17 17:18:59 alex Exp $
17 * Revision 1.58 2002/02/17 17:18:59 alex
20 * Revision 1.57 2002/02/13 23:05:29 alex
21 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
23 * Revision 1.56 2002/02/13 17:52:27 alex
24 * - es werden nun Channel- und User-Modes von Usern angenommen.
26 * Revision 1.55 2002/02/12 14:40:37 alex
27 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
29 * Revision 1.54 2002/02/11 23:33:35 alex
30 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
32 * Revision 1.53 2002/02/11 16:06:21 alex
33 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
35 * Revision 1.52 2002/02/11 15:52:21 alex
36 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
37 * - Channel-Modes wurden falsch geliefert (als User-Modes).
39 * Revision 1.51 2002/02/11 15:15:53 alex
40 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
41 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
43 * Revision 1.50 2002/02/11 01:03:20 alex
44 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
45 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
46 * angelegt wird, werden Channel-Operator, etc. pp. ...
47 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
49 * Revision 1.49 2002/02/06 16:51:22 alex
50 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
52 * Revision 1.48 2002/01/29 00:13:45 alex
53 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
54 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
55 * LINKS wieder korrekt.
57 * Revision 1.47 2002/01/28 13:05:48 alex
58 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
59 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
61 * Revision 1.46 2002/01/28 01:45:43 alex
62 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
64 * Revision 1.45 2002/01/28 01:18:14 alex
65 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
67 * Revision 1.44 2002/01/28 00:55:08 alex
68 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
70 * Revision 1.43 2002/01/27 21:56:39 alex
71 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
72 * - einige kleinere Fixes bezueglich Channels ...
74 * Revision 1.42 2002/01/27 18:28:01 alex
75 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
77 * Revision 1.41 2002/01/27 17:15:49 alex
78 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
79 * IRC_WriteStrChannelPrefix(),
80 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
82 * Revision 1.40 2002/01/26 18:43:11 alex
83 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
84 * die IRC_Write_xxx_Related() sind dafuer entfallen.
85 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
87 * Revision 1.39 2002/01/21 00:05:11 alex
88 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
89 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
90 * - diverse Aenderungen im Zusammenhang mit Channels.
92 * Revision 1.38 2002/01/18 15:31:32 alex
93 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
95 * Revision 1.37 2002/01/16 22:10:18 alex
96 * - IRC_LUSERS() implementiert.
98 * Revision 1.36 2002/01/11 23:50:55 alex
99 * - LINKS implementiert, LUSERS begonnen.
101 * Revision 1.35 2002/01/09 21:30:45 alex
102 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
104 * Revision 1.34 2002/01/09 01:09:58 alex
105 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
106 * - andere Server werden nun ueber bisherige Server und User informiert.
108 * Revision 1.33 2002/01/07 23:42:12 alex
109 * - Es werden fuer alle Server eigene Token generiert,
110 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
111 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
113 * Revision 1.32 2002/01/07 16:02:36 alex
114 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
115 * - Im Debug-Mode werden nun auch PING's protokolliert.
117 * Revision 1.31 2002/01/07 15:39:46 alex
118 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
119 * - MODE und NICK melden nun die Aenderungen an andere Server.
121 * Revision 1.30 2002/01/06 15:21:29 alex
122 * - Loglevel und Meldungen nochmals ueberarbeitet.
123 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
124 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
126 * Revision 1.29 2002/01/05 23:24:54 alex
127 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
128 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
130 * Revision 1.28 2002/01/05 20:08:02 alex
131 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
132 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
134 * Revision 1.27 2002/01/05 19:15:03 alex
135 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
137 * Revision 1.26 2002/01/05 16:51:18 alex
138 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
140 * Revision 1.25 2002/01/05 00:48:33 alex
141 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
143 * Revision 1.24 2002/01/04 17:58:44 alex
144 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
145 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
147 * Revision 1.23 2002/01/04 01:36:40 alex
148 * - Loglevel ein wenig angepasst.
150 * Revision 1.22 2002/01/04 01:21:47 alex
151 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
152 * - Weitere Anpassungen und Erweiterungen der Server-Links.
154 * Revision 1.21 2002/01/03 02:26:51 alex
155 * - neue Befehle SERVER und NJOIN begonnen,
156 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
158 * Revision 1.20 2002/01/02 12:46:41 alex
159 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
161 * Revision 1.19 2002/01/02 02:51:39 alex
162 * - Copyright-Texte angepasst.
163 * - neuer Befehl "ERROR".
165 * Revision 1.17 2001/12/31 15:33:13 alex
166 * - neuer Befehl NAMES, kleinere Bugfixes.
167 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
169 * Revision 1.16 2001/12/31 02:18:51 alex
170 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
171 * - neuen Header "defines.h" mit (fast) allen Konstanten.
172 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
174 * Revision 1.15 2001/12/30 19:26:11 alex
175 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
177 * Revision 1.14 2001/12/30 11:42:00 alex
178 * - der Server meldet nun eine ordentliche "Start-Zeit".
180 * Revision 1.13 2001/12/29 03:10:06 alex
181 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
182 * - neue configure-Optione "--enable-strict-rfc".
184 * Revision 1.12 2001/12/27 19:17:26 alex
185 * - neue Befehle PRIVMSG, NOTICE, PING.
187 * Revision 1.11 2001/12/27 16:55:41 alex
188 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
190 * Revision 1.10 2001/12/26 22:48:53 alex
191 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
193 * Revision 1.9 2001/12/26 14:45:37 alex
196 * Revision 1.8 2001/12/26 03:21:46 alex
197 * - PING/PONG-Befehle implementiert,
198 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
200 * Revision 1.7 2001/12/25 23:25:18 alex
201 * - und nochmal Aenderungen am Logging ;-)
203 * Revision 1.6 2001/12/25 23:13:33 alex
204 * - Debug-Meldungen angepasst.
206 * Revision 1.5 2001/12/25 22:02:42 alex
207 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
209 * Revision 1.4 2001/12/25 19:19:30 alex
210 * - bessere Fehler-Abfragen, diverse Bugfixes.
211 * - Nicks werden nur einmal vergeben :-)
212 * - /MOTD wird unterstuetzt.
214 * Revision 1.3 2001/12/24 01:34:06 alex
215 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
216 * - MOTD-Ausgabe begonnen zu implementieren.
218 * Revision 1.2 2001/12/23 21:57:16 alex
219 * - erste IRC-Befehle zu implementieren begonnen.
221 * Revision 1.1 2001/12/14 08:13:43 alex
222 * - neues Modul begonnen :-)
243 #include "messages.h"
251 #define CONNECTED TRUE
252 #define DISCONNECTED FALSE
255 LOCAL BOOLEAN Hello_User( CLIENT *Client );
256 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
258 LOCAL VOID Kill_Nick( CHAR *Nick );
260 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
261 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
264 GLOBAL VOID IRC_Init( VOID )
269 GLOBAL VOID IRC_Exit( VOID )
274 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
277 BOOLEAN ok = CONNECTED;
280 assert( Client != NULL );
281 assert( Format != NULL );
283 va_start( ap, Format );
284 vsnprintf( buffer, 1000, Format, ap );
287 /* an den Client selber */
288 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
291 } /* IRC_WriteStrClient */
294 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
296 /* Text an Clients, lokal bzw. remote, senden. */
301 assert( Client != NULL );
302 assert( Format != NULL );
303 assert( Prefix != NULL );
305 va_start( ap, Format );
306 vsnprintf( buffer, 1000, Format, ap );
309 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
310 } /* IRC_WriteStrClientPrefix */
313 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
318 assert( Client != NULL );
319 assert( Format != NULL );
321 va_start( ap, Format );
322 vsnprintf( buffer, 1000, Format, ap );
325 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
326 } /* IRC_WriteStrChannel */
329 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
332 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
338 assert( Client != NULL );
339 assert( Chan != NULL );
340 assert( Prefix != NULL );
341 assert( Format != NULL );
343 va_start( ap, Format );
344 vsnprintf( buffer, 1000, Format, ap );
347 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
349 /* An alle Clients, die in den selben Channels sind.
350 * Dabei aber nur einmal je Remote-Server */
351 cl2chan = Channel_FirstMember( Chan );
354 c = Channel_GetClient( cl2chan );
357 if( Client_Conn( c ) <= NONE ) c = NULL;
358 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
360 if( c ) c = Client_NextHop( c );
362 if( c && ( c != Client ))
364 /* Ok, anderer Client */
365 s = Client_Conn( c );
367 assert( s < MAX_CONNECTIONS );
370 cl2chan = Channel_NextMember( Chan, cl2chan );
374 for( i = 0; i < MAX_CONNECTIONS; i++ )
378 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
383 } /* IRC_WriteStrChannelPrefix */
386 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
391 assert( Format != NULL );
393 va_start( ap, Format );
394 vsnprintf( buffer, 1000, Format, ap );
397 /* an den Client selber */
398 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
399 } /* IRC_WriteStrServers */
402 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
408 assert( Format != NULL );
409 assert( Prefix != NULL );
411 va_start( ap, Format );
412 vsnprintf( buffer, 1000, Format, ap );
418 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
420 /* Ziel-Server gefunden */
421 IRC_WriteStrClientPrefix( c, Prefix, buffer );
423 c = Client_Next( c );
425 } /* IRC_WriteStrServersPrefix */
428 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
430 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
431 CL2CHAN *chan_cl2chan, *cl2chan;
438 assert( Client != NULL );
439 assert( Prefix != NULL );
440 assert( Format != NULL );
442 va_start( ap, Format );
443 vsnprintf( buffer, 1000, Format, ap );
447 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
449 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
450 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
451 chan_cl2chan = Channel_FirstChannelOf( Client );
452 while( chan_cl2chan )
454 /* Channel des Users durchsuchen */
455 chan = Channel_GetChannel( chan_cl2chan );
456 cl2chan = Channel_FirstMember( chan );
459 c = Channel_GetClient( cl2chan );
462 if( Client_Conn( c ) <= NONE ) c = NULL;
463 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
465 if( c ) c = Client_NextHop( c );
467 if( c && ( c != Client ))
469 /* Ok, anderer Client */
470 s = Client_Conn( c );
472 assert( s < MAX_CONNECTIONS );
475 cl2chan = Channel_NextMember( chan, cl2chan );
478 /* naechsten Channel */
479 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
483 for( i = 0; i < MAX_CONNECTIONS; i++ )
487 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
492 } /* IRC_WriteStrRelatedPrefix */
496 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
498 assert( Client != NULL );
499 assert( Req != NULL );
501 /* Fehler liefern, wenn kein lokaler Client */
502 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
504 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
506 /* noch nicht registrierte unbekannte Verbindung */
507 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
509 /* Passwort speichern */
510 Client_SetPassword( Client, Req->argv[0] );
512 Client_SetType( Client, CLIENT_GOTPASS );
515 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
517 /* noch nicht registrierte Server-Verbindung */
518 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
520 /* Passwort speichern */
521 Client_SetPassword( Client, Req->argv[0] );
523 Client_SetType( Client, CLIENT_GOTPASSSERVER );
526 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
528 /* Falsche Anzahl Parameter? */
529 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
531 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
535 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
537 CHAR str[LINE_LEN], *ptr;
538 CLIENT *from, *c, *cl;
544 assert( Client != NULL );
545 assert( Req != NULL );
547 /* Fehler liefern, wenn kein lokaler Client */
548 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
550 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
552 /* Verbindung soll als Server-Server-Verbindung registriert werden */
553 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
555 /* Falsche Anzahl Parameter? */
556 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
558 /* Ist dieser Server bei uns konfiguriert? */
559 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
560 if( i >= Conf_Server_Count )
562 /* Server ist nicht konfiguriert! */
563 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
564 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
567 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
569 /* Falsches Passwort */
570 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
571 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
575 /* Ist ein Server mit dieser ID bereits registriert? */
576 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
578 /* Server-Strukturen fuellen ;-) */
579 Client_SetID( Client, Req->argv[0] );
580 Client_SetHops( Client, 1 );
581 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
583 /* Meldet sich der Server bei uns an? */
586 /* Unseren SERVER- und PASS-Befehl senden */
588 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
589 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
592 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
595 Client_SetIntroducer( Client, Client );
596 Client_SetToken( Client, 1 );
598 else Client_SetToken( Client, atoi( Req->argv[1] ));
600 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
602 Client_SetType( Client, CLIENT_SERVER );
604 /* maximalen Hop Count ermitteln */
609 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
610 c = Client_Next( c );
613 /* Alle bisherigen Server dem neuen Server bekannt machen,
614 * die bisherigen Server ueber den neuen informierenn */
615 for( i = 0; i < ( max_hops + 1 ); i++ )
620 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
622 if( Client_Conn( c ) > NONE )
624 /* Dem gefundenen Server gleich den neuen
625 * Server bekannt machen */
626 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
629 /* Den neuen Server ueber den alten informieren */
630 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;
632 c = Client_Next( c );
636 /* alle User dem neuen Server bekannt machen */
640 if( Client_Type( c ) == CLIENT_USER )
642 /* User an neuen Server melden */
643 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;
645 c = Client_Next( c );
648 /* Channels dem neuen Server bekannt machen */
649 chan = Channel_First( );
652 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
654 /* alle Member suchen */
655 cl2chan = Channel_FirstMember( chan );
658 cl = Channel_GetClient( cl2chan );
659 assert( cl != NULL );
661 /* Nick, ggf. mit Modes, anhaengen */
662 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
663 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
664 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
665 strcat( str, Client_ID( cl ));
667 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
670 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
671 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
674 cl2chan = Channel_NextMember( chan, cl2chan );
678 if( str[strlen( str ) - 1] != ':')
680 /* Ja; Also senden ... */
681 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
684 /* naechsten Channel suchen */
685 chan = Channel_Next( chan );
690 else if( Client_Type( Client ) == CLIENT_SERVER )
692 /* Neuer Server wird im Netz angekuendigt */
694 /* Falsche Anzahl Parameter? */
695 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
697 /* Ist ein Server mit dieser ID bereits registriert? */
698 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
700 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
701 ptr = strchr( Req->argv[3] + 2, '[' );
702 if( ! ptr ) ptr = Req->argv[3];
704 from = Client_GetFromID( Req->prefix );
707 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
708 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
709 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
713 /* Neue Client-Struktur anlegen */
714 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
717 /* Neue Client-Struktur konnte nicht angelegt werden */
718 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
719 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
723 /* Log-Meldung zusammenbauen und ausgeben */
724 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
725 else strcpy( str, "" );
726 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": "" );
728 /* Andere Server informieren */
729 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
733 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
737 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
739 CHAR *channame, *ptr, modes[8];
740 BOOLEAN is_op, is_voiced;
744 assert( Client != NULL );
745 assert( Req != NULL );
747 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
749 /* Falsche Anzahl Parameter? */
750 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
752 channame = Req->argv[0];
753 ptr = strtok( Req->argv[1], "," );
756 is_op = is_voiced = FALSE;
758 /* Prefixe abschneiden */
759 while(( *ptr == '@' ) || ( *ptr == '+' ))
761 if( *ptr == '@' ) is_op = TRUE;
762 if( *ptr == '+' ) is_voiced = TRUE;
766 c = Client_GetFromID( ptr );
769 Channel_Join( c, channame );
770 chan = Channel_Search( channame );
771 assert( chan != NULL );
773 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
774 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
776 /* im Channel bekannt machen */
777 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
779 /* Channel-User-Modes setzen */
780 strcpy( modes, Channel_UserModes( chan, c ));
783 /* Modes im Channel bekannt machen */
784 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
787 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
789 /* naechsten Nick suchen */
790 ptr = strtok( NULL, "," );
793 /* an andere Server weiterleiten */
794 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
800 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
802 CLIENT *intr_c, *target, *c;
805 assert( Client != NULL );
806 assert( Req != NULL );
808 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
810 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 ))
812 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 ))
815 /* User-Registrierung bzw. Nick-Aenderung */
817 /* Falsche Anzahl Parameter? */
818 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
820 /* "Ziel-Client" ermitteln */
821 if( Client_Type( Client ) == CLIENT_SERVER )
823 target = Client_GetFromID( Req->prefix );
824 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
828 /* Ist der Client "restricted"? */
829 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
834 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
835 * wir nichts. So macht es das Original und mind. Snak hat probleme,
836 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
837 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
840 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
841 * will nur die Gross- und Kleinschreibung aendern. Das darf
842 * er natuerlich machen :-) */
843 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
845 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
848 if( Client_Type( Client ) == CLIENT_USER )
850 /* Nick-Aenderung: allen mitteilen! */
851 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
852 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
853 IRC_WriteStrRelatedPrefix( Client, Client, TRUE, "NICK :%s", Req->argv[0] );
855 else if( Client_Type( Client ) == CLIENT_SERVER )
857 /* Nick-Aenderung: allen mitteilen! */
858 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
859 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
860 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
863 /* Client-Nick registrieren */
864 Client_SetID( target, Req->argv[0] );
866 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
869 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
870 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
871 else Client_SetType( Client, CLIENT_GOTNICK );
875 else if( Client_Type( Client ) == CLIENT_SERVER )
877 /* Server fuehrt neuen Client ein */
879 /* Falsche Anzahl Parameter? */
880 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
882 /* Nick ueberpruefen */
883 c = Client_GetFromID( Req->argv[0] );
886 /* Der neue Nick ist auf diesem Server bereits registriert:
887 * sowohl der neue, als auch der alte Client muessen nun
888 * disconnectiert werden. */
889 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
890 Kill_Nick( Req->argv[0] );
894 /* Server, zu dem der Client connectiert ist, suchen */
895 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
898 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
899 Kill_Nick( Req->argv[0] );
903 /* Neue Client-Struktur anlegen */
904 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 );
907 /* Eine neue Client-Struktur konnte nicht angelegt werden.
908 * Der Client muss disconnectiert werden, damit der Netz-
909 * status konsistent bleibt. */
910 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
911 Kill_Nick( Req->argv[0] );
915 modes = Client_Modes( c );
916 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": "" );
917 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": "" );
919 /* Andere Server, ausser dem Introducer, informieren */
920 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] );
924 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
928 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
930 assert( Client != NULL );
931 assert( Req != NULL );
934 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
936 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
939 /* Falsche Anzahl Parameter? */
940 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
942 Client_SetUser( Client, Req->argv[0], FALSE );
943 Client_SetInfo( Client, Req->argv[3] );
945 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
946 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
947 else Client_SetType( Client, CLIENT_GOTUSER );
950 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
952 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
954 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
958 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
962 assert( Client != NULL );
963 assert( Req != NULL );
965 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
969 /* Falsche Anzahl Parameter? */
970 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
972 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
973 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
977 else if ( Client_Type( Client ) == CLIENT_SERVER )
981 /* Falsche Anzahl Parameter? */
982 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
984 target = Client_Search( Req->prefix );
987 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
991 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
992 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
996 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1000 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1004 assert( Client != NULL );
1005 assert( Req != NULL );
1007 /* SQUIT ist nur fuer Server erlaubt */
1008 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1010 /* Falsche Anzahl Parameter? */
1011 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1013 target = Client_GetFromID( Req->argv[0] );
1016 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1020 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1021 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1023 /* SQUIT an alle Server weiterleiten */
1024 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1026 if( Client_Conn( target ) > NONE )
1028 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1029 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1030 return DISCONNECTED;
1034 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1040 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1042 CLIENT *target, *from;
1044 assert( Client != NULL );
1045 assert( Req != NULL );
1047 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1049 /* Falsche Anzahl Parameter? */
1050 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1051 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1053 if( Req->argc == 2 )
1055 /* es wurde ein Ziel-Client angegeben */
1056 target = Client_GetFromID( Req->argv[1] );
1057 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1058 if( target != Client_ThisServer( ))
1061 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1063 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1064 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1068 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1069 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1073 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1075 CLIENT *target, *from;
1077 assert( Client != NULL );
1078 assert( Req != NULL );
1080 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1082 /* Falsche Anzahl Parameter? */
1083 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1084 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1087 if( Req->argc == 2 )
1089 target = Client_GetFromID( Req->argv[1] );
1090 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1091 if( target != Client_ThisServer( ))
1094 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1096 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1097 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1101 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1102 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1104 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 )));
1105 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1111 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1113 assert( Client != NULL );
1114 assert( Req != NULL );
1116 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1118 /* Falsche Anzahl Parameter? */
1119 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1121 return Show_MOTD( Client );
1125 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1130 assert( Client != NULL );
1131 assert( Req != NULL );
1133 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1135 /* Falsche Anzahl Parameter? */
1136 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1137 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1138 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1140 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1142 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1144 to = Client_Search( Req->argv[0] );
1147 /* Okay, Ziel ist ein User */
1148 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1149 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1152 chan = Channel_Search( Req->argv[0] );
1155 /* Okay, Ziel ist ein Channel */
1156 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1157 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1160 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1164 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1168 assert( Client != NULL );
1169 assert( Req != NULL );
1171 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1173 /* Falsche Anzahl Parameter? */
1174 if( Req->argc != 2 ) return CONNECTED;
1176 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1178 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1180 to = Client_Search( Req->argv[0] );
1183 /* Okay, Ziel ist ein User */
1184 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1186 else return CONNECTED;
1190 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1192 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1193 CLIENT *cl, *chan_cl, *prefix;
1197 assert( Client != NULL );
1198 assert( Req != NULL );
1200 cl = chan_cl = prefix = NULL;
1203 /* Valider Client? */
1204 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1206 /* Keine Parameter? */
1207 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1209 /* Ziel suchen: Client bzw. Channel */
1210 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1211 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1213 /* Kein Ziel gefunden? */
1214 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1216 assert(( cl && chan ) != TRUE );
1218 /* Falsche Anzahl Parameter? */
1219 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1220 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1222 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1223 if(( chan ) && (Req->argc == 3 ))
1225 chan_cl = Client_Search( Req->argv[2] );
1226 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1229 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1230 if( Client_Type( Client ) == CLIENT_USER )
1234 /* MODE ist nur fuer sich selber zulaessig! */
1235 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1239 /* Darf der User die Channel-Modes ermitteln? */
1243 /* Werden die Modes "nur" erfragt? */
1244 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1245 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1247 mode_ptr = Req->argv[1];
1249 /* Sollen Modes gesetzt oder geloescht werden? */
1252 if( *mode_ptr == '+' ) set = TRUE;
1253 else if( *mode_ptr == '-' ) set = FALSE;
1254 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1259 if( *mode_ptr == '-' ) set = FALSE;
1261 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1264 /* Prefix fuer Antworten etc. ermitteln */
1265 if( Client_Type( Client ) == CLIENT_SERVER )
1267 prefix = Client_GetFromID( Req->prefix );
1268 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1270 else prefix = Client;
1272 /* Reply-String mit Aenderungen vorbereiten */
1273 if( set ) strcpy( the_modes, "+" );
1274 else strcpy( the_modes, "-" );
1281 if( Client_Type( Client ) == CLIENT_SERVER )
1283 /* Befehl kommt von einem Server, daher
1284 * trauen wir ihm "unbesehen" ... */
1289 /* Modes validieren */
1300 /* restricted (kann nur gesetzt werden) */
1301 if( set ) x[0] = 'r';
1302 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1305 /* operator (kann nur geloescht werden) */
1308 Client_SetOperByMe( Client, FALSE );
1311 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1314 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1315 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1321 /* Ist der User ein Channel Operator? */
1322 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1324 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1325 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1329 /* Channel-Modes oder Channel-User-Modes */
1332 /* Channel-User-Modes */
1336 /* Channel Operator */
1344 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 ));
1345 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1363 /* kein Schreiben in den Channel von aussen */
1383 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1384 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1393 if( ! x[0] ) continue;
1395 /* Okay, gueltigen Mode gefunden */
1398 /* Es geht um User-Modes */
1401 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1402 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1406 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1407 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1412 /* Es geht um Channel-Modes oder Channel-User-Modes */
1415 /* Channel-User-Modes */
1418 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1419 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1423 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1424 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1432 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1433 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1437 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1438 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1444 /* Wurden Modes geaendert? */
1450 if( Client_Type( Client ) == CLIENT_SERVER )
1452 /* Modes an andere Server forwarden */
1453 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1457 /* Bestaetigung an Client schicken & andere Server informieren */
1458 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1459 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1461 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1465 /* Channel-Modes oder Channel-User-Mode */
1468 /* Channel-User-Mode */
1469 if( Client_Type( Client ) == CLIENT_SERVER )
1471 /* Modes an andere Server und Channel-User forwarden */
1472 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1473 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1477 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1478 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1479 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1480 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1482 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1487 if( Client_Type( Client ) == CLIENT_SERVER )
1489 /* Modes an andere Server und Channel-User forwarden */
1490 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1491 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1495 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1496 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1497 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1498 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1500 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1509 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1513 assert( Client != NULL );
1514 assert( Req != NULL );
1516 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1518 /* Falsche Anzahl Parameter? */
1519 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1521 /* Operator suchen */
1522 for( i = 0; i < Conf_Oper_Count; i++)
1524 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1526 if( i >= Conf_Oper_Count )
1528 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1529 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1532 /* Stimmt das Passwort? */
1533 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1535 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1536 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1539 if( ! Client_HasMode( Client, 'o' ))
1541 /* noch kein o-Mode gesetzt */
1542 Client_ModeAdd( Client, 'o' );
1543 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1544 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1547 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1549 Client_SetOperByMe( Client, TRUE );
1550 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1554 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1556 assert( Client != NULL );
1557 assert( Req != NULL );
1559 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1561 /* Falsche Anzahl Parameter? */
1562 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1564 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1566 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1572 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1574 assert( Client != NULL );
1575 assert( Req != NULL );
1577 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1579 /* Falsche Anzahl Parameter? */
1580 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1582 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1584 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1585 NGIRCd_Restart = TRUE;
1590 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1592 CHAR rpl[COMMAND_LEN];
1595 assert( Client != NULL );
1596 assert( Req != NULL );
1598 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1600 /* Falsche Anzahl Parameter? */
1601 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1603 /* Noch alle User ausgeben, die in keinem Channel sind */
1605 c = Client_First( );
1608 if( Client_Type( c ) == CLIENT_USER )
1610 /* Okay, das ist ein User */
1611 strcat( rpl, Client_ID( c ));
1615 /* Antwort zu lang? Splitten. */
1616 if( strlen( rpl ) > 480 )
1618 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1619 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1623 c = Client_Next( c );
1627 /* es wurden User gefunden */
1628 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1629 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1631 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1635 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1637 CHAR rpl[COMMAND_LEN];
1642 assert( Client != NULL );
1643 assert( Req != NULL );
1645 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1647 /* Falsche Anzahl Parameter? */
1648 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1650 strcpy( rpl, RPL_ISON_MSG );
1651 for( i = 0; i < Req->argc; i++ )
1653 ptr = strtok( Req->argv[i], " " );
1657 c = Client_GetFromID( ptr );
1658 if( c && ( Client_Type( c ) == CLIENT_USER ))
1660 /* Dieser Nick ist "online" */
1664 ptr = strtok( NULL, " " );
1667 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1669 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1673 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1675 CLIENT *from, *target, *c;
1676 CHAR str[LINE_LEN + 1], *ptr = NULL;
1680 assert( Client != NULL );
1681 assert( Req != NULL );
1683 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1685 /* Falsche Anzahl Parameter? */
1686 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1689 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1690 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1692 /* Empfaenger des WHOIS suchen */
1693 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1695 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1697 /* Forwarden an anderen Server? */
1700 /* angegebenen Ziel-Server suchen */
1701 target = Client_GetFromID( Req->argv[1] );
1702 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1706 else if( Client_Conn( c ) == NONE )
1708 /* Client ist nicht von uns. Ziel-Server suchen */
1715 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 );
1717 /* Nick, User und Name */
1718 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1721 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;
1724 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1725 cl2chan = Channel_FirstChannelOf( c );
1728 chan = Channel_GetChannel( cl2chan );
1729 assert( chan != NULL );
1731 /* Channel-Name anhaengen */
1732 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1733 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1734 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1735 strcat( str, Channel_Name( chan ));
1737 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1739 /* Zeile wird zu lang: senden! */
1740 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1741 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1744 /* naechstes Mitglied suchen */
1745 cl2chan = Channel_NextChannelOf( c, cl2chan );
1747 if( str[strlen( str ) - 1] != ':')
1749 /* Es sind noch Daten da, die gesendet werden muessen */
1750 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1754 if( Client_HasMode( c, 'o' ))
1756 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1759 /* Idle (nur lokale Clients) */
1760 if( Client_Conn( c ) > NONE )
1762 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1766 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1770 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1772 CHAR rpl[COMMAND_LEN];
1776 assert( Client != NULL );
1777 assert( Req != NULL );
1779 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1781 /* Falsche Anzahl Parameter? */
1782 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1784 if( Req->argc > 5 ) max = 5;
1785 else max = Req->argc;
1787 strcpy( rpl, RPL_USERHOST_MSG );
1788 for( i = 0; i < max; i++ )
1790 c = Client_GetFromID( Req->argv[i] );
1791 if( c && ( Client_Type( c ) == CLIENT_USER ))
1793 /* Dieser Nick ist "online" */
1794 strcat( rpl, Client_ID( c ));
1795 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1797 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1798 else strcat( rpl, "+" );
1799 strcat( rpl, Client_User( c ));
1801 strcat( rpl, Client_Hostname( c ));
1805 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1807 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1808 } /* IRC_USERHOST */
1811 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1813 assert( Client != NULL );
1814 assert( Req != NULL );
1816 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1817 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1823 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1825 CLIENT *target, *from;
1827 assert( Client != NULL );
1828 assert( Req != NULL );
1830 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1832 /* Falsche Anzahl Parameter? */
1833 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1835 /* Absender ermitteln */
1836 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1838 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1840 /* An anderen Server forwarden? */
1841 if( Req->argc == 2 )
1843 target = Client_GetFromID( Req->argv[1] );
1844 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1845 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1848 /* Wer ist der Absender? */
1849 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1850 else target = Client;
1851 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1853 Send_LUSERS( target );
1859 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1861 CLIENT *target, *from, *c;
1864 assert( Client != NULL );
1865 assert( Req != NULL );
1867 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1869 /* Falsche Anzahl Parameter? */
1870 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1872 /* Server-Mask ermitteln */
1873 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1876 /* Absender ermitteln */
1877 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1879 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1881 /* An anderen Server forwarden? */
1882 if( Req->argc == 2 )
1884 target = Client_GetFromID( Req->argv[0] );
1885 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1886 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1889 /* Wer ist der Absender? */
1890 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1891 else target = Client;
1892 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1894 c = Client_First( );
1897 if( Client_Type( c ) == CLIENT_SERVER )
1899 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;
1901 c = Client_Next( c );
1904 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1908 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1910 CHAR *channame, *flags, modes[8];
1911 BOOLEAN is_new_chan;
1915 assert( Client != NULL );
1916 assert( Req != NULL );
1918 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1920 /* Falsche Anzahl Parameter? */
1921 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1923 /* Wer ist der Absender? */
1924 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1925 else target = Client;
1926 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1928 /* Channel-Namen durchgehen */
1929 channame = strtok( Req->argv[0], "," );
1932 /* wird der Channel neu angelegt? */
1935 if( Channel_Search( channame )) is_new_chan = FALSE;
1936 else is_new_chan = TRUE;
1938 /* Hat ein Server Channel-User-Modes uebergeben? */
1939 if( Client_Type( Client ) == CLIENT_SERVER )
1941 /* Channel-Flags extrahieren */
1942 flags = strchr( channame, 0x7 );
1943 if( flags ) *flags++ = '\0';
1946 /* neuer Channel udn lokaler Client? */
1947 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1949 /* Dann soll der Client Channel-Operator werden! */
1953 /* Channel joinen (und ggf. anlegen) */
1954 if( ! Channel_Join( target, channame ))
1956 /* naechsten Namen ermitteln */
1957 channame = strtok( NULL, "," );
1960 chan = Channel_Search( channame );
1961 assert( chan != NULL );
1963 /* Modes setzen (wenn vorhanden) */
1964 while( flags && *flags )
1966 Channel_UserModeAdd( chan, target, *flags );
1970 /* Muessen Modes an andere Server gemeldet werden? */
1971 strcpy( &modes[1], Channel_UserModes( chan, target ));
1972 if( modes[1] ) modes[0] = 0x7;
1973 else modes[0] = '\0';
1975 /* An andere Server weiterleiten */
1976 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1978 /* im Channel bekannt machen */
1979 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1982 /* Modes im Channel bekannt machen */
1983 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1986 if( Client_Type( Client ) == CLIENT_USER )
1988 /* an Client bestaetigen */
1989 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1990 /* Topic an Client schicken */
1991 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1992 /* Mitglieder an Client Melden */
1993 Send_NAMES( Client, chan );
1996 /* naechsten Namen ermitteln */
1997 channame = strtok( NULL, "," );
2003 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2008 assert( Client != NULL );
2009 assert( Req != NULL );
2011 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2013 /* Falsche Anzahl Parameter? */
2014 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2016 /* Wer ist der Absender? */
2017 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2018 else target = Client;
2019 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2021 /* Channel-Namen durchgehen */
2022 chan = strtok( Req->argv[0], "," );
2025 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2027 /* naechsten Namen ermitteln */
2028 chan = strtok( NULL, "," );
2032 /* naechsten Namen ermitteln */
2033 chan = strtok( NULL, "," );
2039 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2041 assert( Client != NULL );
2043 /* Passwort ueberpruefen */
2044 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2046 /* Falsches Passwort */
2047 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2048 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2049 return DISCONNECTED;
2052 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2054 /* Andere Server informieren */
2055 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 ));
2057 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2058 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2059 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2060 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2062 Client_SetType( Client, CLIENT_USER );
2064 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2065 if( ! Show_MOTD( Client )) return DISCONNECTED;
2071 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2077 assert( Client != NULL );
2079 fd = fopen( Conf_MotdFile, "r" );
2082 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2083 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2086 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2089 if( ! fgets( line, 126, fd )) break;
2090 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2091 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2097 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2105 LOCAL VOID Kill_Nick( CHAR *Nick )
2107 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2109 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2113 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2115 CHAR str[LINE_LEN + 1];
2119 assert( Client != NULL );
2120 assert( Chan != NULL );
2122 /* Alle Mitglieder suchen */
2123 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2124 cl2chan = Channel_FirstMember( Chan );
2127 cl = Channel_GetClient( cl2chan );
2129 /* Nick anhaengen */
2130 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2131 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2132 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2133 strcat( str, Client_ID( cl ));
2135 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2137 /* Zeile wird zu lang: senden! */
2138 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2139 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2142 /* naechstes Mitglied suchen */
2143 cl2chan = Channel_NextMember( Chan, cl2chan );
2145 if( str[strlen( str ) - 1] != ':')
2147 /* Es sind noch Daten da, die gesendet werden muessen */
2148 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2152 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2158 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2162 assert( Client != NULL );
2164 /* Users, Services und Serevr im Netz */
2165 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2167 /* IRC-Operatoren im Netz */
2168 cnt = Client_OperCount( );
2171 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2174 /* Unbekannt Verbindungen */
2175 cnt = Client_UnknownCount( );
2178 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2181 /* Channels im Netz */
2182 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2184 /* Channels im Netz */
2185 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;