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 1.50 2002/02/11 01:03:20 alex Exp $
17 * Revision 1.50 2002/02/11 01:03:20 alex
18 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
19 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
20 * angelegt wird, werden Channel-Operator, etc. pp. ...
21 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
23 * Revision 1.49 2002/02/06 16:51:22 alex
24 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
26 * Revision 1.48 2002/01/29 00:13:45 alex
27 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
28 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
29 * LINKS wieder korrekt.
31 * Revision 1.47 2002/01/28 13:05:48 alex
32 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
33 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
35 * Revision 1.46 2002/01/28 01:45:43 alex
36 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
38 * Revision 1.45 2002/01/28 01:18:14 alex
39 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
41 * Revision 1.44 2002/01/28 00:55:08 alex
42 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
44 * Revision 1.43 2002/01/27 21:56:39 alex
45 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
46 * - einige kleinere Fixes bezueglich Channels ...
48 * Revision 1.42 2002/01/27 18:28:01 alex
49 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
51 * Revision 1.41 2002/01/27 17:15:49 alex
52 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
53 * IRC_WriteStrChannelPrefix(),
54 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
56 * Revision 1.40 2002/01/26 18:43:11 alex
57 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
58 * die IRC_Write_xxx_Related() sind dafuer entfallen.
59 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
61 * Revision 1.39 2002/01/21 00:05:11 alex
62 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
63 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
64 * - diverse Aenderungen im Zusammenhang mit Channels.
66 * Revision 1.38 2002/01/18 15:31:32 alex
67 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
69 * Revision 1.37 2002/01/16 22:10:18 alex
70 * - IRC_LUSERS() implementiert.
72 * Revision 1.36 2002/01/11 23:50:55 alex
73 * - LINKS implementiert, LUSERS begonnen.
75 * Revision 1.35 2002/01/09 21:30:45 alex
76 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
78 * Revision 1.34 2002/01/09 01:09:58 alex
79 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
80 * - andere Server werden nun ueber bisherige Server und User informiert.
82 * Revision 1.33 2002/01/07 23:42:12 alex
83 * - Es werden fuer alle Server eigene Token generiert,
84 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
85 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
87 * Revision 1.32 2002/01/07 16:02:36 alex
88 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
89 * - Im Debug-Mode werden nun auch PING's protokolliert.
91 * Revision 1.31 2002/01/07 15:39:46 alex
92 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
93 * - MODE und NICK melden nun die Aenderungen an andere Server.
95 * Revision 1.30 2002/01/06 15:21:29 alex
96 * - Loglevel und Meldungen nochmals ueberarbeitet.
97 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
98 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
100 * Revision 1.29 2002/01/05 23:24:54 alex
101 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
102 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
104 * Revision 1.28 2002/01/05 20:08:02 alex
105 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
106 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
108 * Revision 1.27 2002/01/05 19:15:03 alex
109 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
111 * Revision 1.26 2002/01/05 16:51:18 alex
112 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
114 * Revision 1.25 2002/01/05 00:48:33 alex
115 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
117 * Revision 1.24 2002/01/04 17:58:44 alex
118 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
119 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
121 * Revision 1.23 2002/01/04 01:36:40 alex
122 * - Loglevel ein wenig angepasst.
124 * Revision 1.22 2002/01/04 01:21:47 alex
125 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
126 * - Weitere Anpassungen und Erweiterungen der Server-Links.
128 * Revision 1.21 2002/01/03 02:26:51 alex
129 * - neue Befehle SERVER und NJOIN begonnen,
130 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
132 * Revision 1.20 2002/01/02 12:46:41 alex
133 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
135 * Revision 1.19 2002/01/02 02:51:39 alex
136 * - Copyright-Texte angepasst.
137 * - neuer Befehl "ERROR".
139 * Revision 1.17 2001/12/31 15:33:13 alex
140 * - neuer Befehl NAMES, kleinere Bugfixes.
141 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
143 * Revision 1.16 2001/12/31 02:18:51 alex
144 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
145 * - neuen Header "defines.h" mit (fast) allen Konstanten.
146 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
148 * Revision 1.15 2001/12/30 19:26:11 alex
149 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
151 * Revision 1.14 2001/12/30 11:42:00 alex
152 * - der Server meldet nun eine ordentliche "Start-Zeit".
154 * Revision 1.13 2001/12/29 03:10:06 alex
155 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
156 * - neue configure-Optione "--enable-strict-rfc".
158 * Revision 1.12 2001/12/27 19:17:26 alex
159 * - neue Befehle PRIVMSG, NOTICE, PING.
161 * Revision 1.11 2001/12/27 16:55:41 alex
162 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
164 * Revision 1.10 2001/12/26 22:48:53 alex
165 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
167 * Revision 1.9 2001/12/26 14:45:37 alex
170 * Revision 1.8 2001/12/26 03:21:46 alex
171 * - PING/PONG-Befehle implementiert,
172 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
174 * Revision 1.7 2001/12/25 23:25:18 alex
175 * - und nochmal Aenderungen am Logging ;-)
177 * Revision 1.6 2001/12/25 23:13:33 alex
178 * - Debug-Meldungen angepasst.
180 * Revision 1.5 2001/12/25 22:02:42 alex
181 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
183 * Revision 1.4 2001/12/25 19:19:30 alex
184 * - bessere Fehler-Abfragen, diverse Bugfixes.
185 * - Nicks werden nur einmal vergeben :-)
186 * - /MOTD wird unterstuetzt.
188 * Revision 1.3 2001/12/24 01:34:06 alex
189 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
190 * - MOTD-Ausgabe begonnen zu implementieren.
192 * Revision 1.2 2001/12/23 21:57:16 alex
193 * - erste IRC-Befehle zu implementieren begonnen.
195 * Revision 1.1 2001/12/14 08:13:43 alex
196 * - neues Modul begonnen :-)
217 #include "messages.h"
225 #define CONNECTED TRUE
226 #define DISCONNECTED FALSE
229 LOCAL BOOLEAN Hello_User( CLIENT *Client );
230 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
232 LOCAL VOID Kill_Nick( CHAR *Nick );
234 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
237 GLOBAL VOID IRC_Init( VOID )
242 GLOBAL VOID IRC_Exit( VOID )
247 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
250 BOOLEAN ok = CONNECTED;
253 assert( Client != NULL );
254 assert( Format != NULL );
256 va_start( ap, Format );
257 vsnprintf( buffer, 1000, Format, ap );
260 /* an den Client selber */
261 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
264 } /* IRC_WriteStrClient */
267 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
269 /* Text an Clients, lokal bzw. remote, senden. */
274 assert( Client != NULL );
275 assert( Format != NULL );
276 assert( Prefix != NULL );
278 va_start( ap, Format );
279 vsnprintf( buffer, 1000, Format, ap );
282 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
283 } /* IRC_WriteStrClientPrefix */
286 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
291 assert( Client != NULL );
292 assert( Format != NULL );
294 va_start( ap, Format );
295 vsnprintf( buffer, 1000, Format, ap );
298 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
299 } /* IRC_WriteStrChannel */
302 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
305 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
311 assert( Client != NULL );
312 assert( Chan != NULL );
313 assert( Prefix != NULL );
314 assert( Format != NULL );
316 va_start( ap, Format );
317 vsnprintf( buffer, 1000, Format, ap );
320 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
322 /* An alle Clients, die in den selben Channels sind.
323 * Dabei aber nur einmal je Remote-Server */
324 cl2chan = Channel_FirstMember( Chan );
327 c = Channel_GetClient( cl2chan );
330 if( Client_Conn( c ) <= NONE ) c = NULL;
331 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
333 if( c ) c = Client_NextHop( c );
335 if( c && ( c != Client ))
337 /* Ok, anderer Client */
338 s = Client_Conn( c );
340 assert( s < MAX_CONNECTIONS );
343 cl2chan = Channel_NextMember( Chan, cl2chan );
347 for( i = 0; i < MAX_CONNECTIONS; i++ )
351 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
356 } /* IRC_WriteStrChannelPrefix */
359 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
364 assert( Format != NULL );
366 va_start( ap, Format );
367 vsnprintf( buffer, 1000, Format, ap );
370 /* an den Client selber */
371 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
372 } /* IRC_WriteStrServers */
375 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
381 assert( Format != NULL );
382 assert( Prefix != NULL );
384 va_start( ap, Format );
385 vsnprintf( buffer, 1000, Format, ap );
391 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
393 /* Ziel-Server gefunden */
394 IRC_WriteStrClientPrefix( c, Prefix, buffer );
396 c = Client_Next( c );
398 } /* IRC_WriteStrServersPrefix */
401 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
403 assert( Client != NULL );
404 assert( Req != NULL );
406 /* Fehler liefern, wenn kein lokaler Client */
407 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
409 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
411 /* noch nicht registrierte unbekannte Verbindung */
412 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
414 /* Passwort speichern */
415 Client_SetPassword( Client, Req->argv[0] );
417 Client_SetType( Client, CLIENT_GOTPASS );
420 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
422 /* noch nicht registrierte Server-Verbindung */
423 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
425 /* Passwort speichern */
426 Client_SetPassword( Client, Req->argv[0] );
428 Client_SetType( Client, CLIENT_GOTPASSSERVER );
431 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
433 /* Falsche Anzahl Parameter? */
434 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
436 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
440 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
442 CHAR str[LINE_LEN], *ptr;
443 CLIENT *from, *c, *cl;
449 assert( Client != NULL );
450 assert( Req != NULL );
452 /* Fehler liefern, wenn kein lokaler Client */
453 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
455 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
457 /* Verbindung soll als Server-Server-Verbindung registriert werden */
458 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
460 /* Falsche Anzahl Parameter? */
461 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
463 /* Ist dieser Server bei uns konfiguriert? */
464 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
465 if( i >= Conf_Server_Count )
467 /* Server ist nicht konfiguriert! */
468 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
469 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
472 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
474 /* Falsches Passwort */
475 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
476 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
480 /* Ist ein Server mit dieser ID bereits registriert? */
481 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
483 /* Server-Strukturen fuellen ;-) */
484 Client_SetID( Client, Req->argv[0] );
485 Client_SetHops( Client, 1 );
486 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
488 /* Meldet sich der Server bei uns an? */
491 /* Unseren SERVER- und PASS-Befehl senden */
493 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
494 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
497 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
500 Client_SetIntroducer( Client, Client );
501 Client_SetToken( Client, 1 );
503 else Client_SetToken( Client, atoi( Req->argv[1] ));
505 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
507 Client_SetType( Client, CLIENT_SERVER );
509 /* maximalen Hop Count ermitteln */
514 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
515 c = Client_Next( c );
518 /* Alle bisherigen Server dem neuen Server bekannt machen,
519 * die bisherigen Server ueber den neuen informierenn */
520 for( i = 0; i < ( max_hops + 1 ); i++ )
525 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
527 if( Client_Conn( c ) > NONE )
529 /* Dem gefundenen Server gleich den neuen
530 * Server bekannt machen */
531 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
534 /* Den neuen Server ueber den alten informieren */
535 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;
537 c = Client_Next( c );
541 /* alle User dem neuen Server bekannt machen */
545 if( Client_Type( c ) == CLIENT_USER )
547 /* User an neuen Server melden */
548 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;
550 c = Client_Next( c );
553 /* Channels dem neuen Server bekannt machen */
554 chan = Channel_First( );
557 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
559 /* alle Member suchen */
560 cl2chan = Channel_FirstMember( chan );
563 cl = Channel_GetClient( cl2chan );
564 assert( cl != NULL );
566 /* Nick, ggf. mit Modes, anhaengen */
567 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
568 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
569 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
570 strcat( str, Client_ID( cl ));
572 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
575 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
576 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
579 cl2chan = Channel_NextMember( chan, cl2chan );
583 if( str[strlen( str ) - 1] != ':')
585 /* Ja; Also senden ... */
586 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
589 /* naechsten Channel suchen */
590 chan = Channel_Next( chan );
595 else if( Client_Type( Client ) == CLIENT_SERVER )
597 /* Neuer Server wird im Netz angekuendigt */
599 /* Falsche Anzahl Parameter? */
600 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
602 /* Ist ein Server mit dieser ID bereits registriert? */
603 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
605 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
606 ptr = strchr( Req->argv[3] + 2, '[' );
607 if( ! ptr ) ptr = Req->argv[3];
609 from = Client_GetFromID( Req->prefix );
612 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
613 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
614 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
618 /* Neue Client-Struktur anlegen */
619 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
622 /* Neue Client-Struktur konnte nicht angelegt werden */
623 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
624 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
628 /* Log-Meldung zusammenbauen und ausgeben */
629 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
630 else strcpy( str, "" );
631 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": "" );
633 /* Andere Server informieren */
634 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
638 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
642 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
644 BOOLEAN is_op, is_voiced;
645 CHAR *channame, *ptr;
649 assert( Client != NULL );
650 assert( Req != NULL );
652 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
654 /* Falsche Anzahl Parameter? */
655 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
657 channame = Req->argv[0];
658 ptr = strtok( Req->argv[1], "," );
661 is_op = is_voiced = FALSE;
663 /* Prefixe abschneiden */
664 while(( *ptr == '@' ) || ( *ptr == '+' ))
666 if( *ptr == '@' ) is_op = TRUE;
667 if( *ptr == '+' ) is_voiced = TRUE;
671 c = Client_GetFromID( ptr );
674 Channel_Join( c, channame );
675 chan = Channel_Search( channame );
676 assert( chan != NULL );
678 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
679 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
681 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
683 /* naechsten Nick suchen */
684 ptr = strtok( NULL, "," );
687 /* an andere Server weiterleiten */
688 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
694 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
696 CLIENT *intr_c, *target, *c;
699 assert( Client != NULL );
700 assert( Req != NULL );
702 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
704 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 ))
706 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 ))
709 /* User-Registrierung bzw. Nick-Aenderung */
711 /* Falsche Anzahl Parameter? */
712 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
714 /* "Ziel-Client" ermitteln */
715 if( Client_Type( Client ) == CLIENT_SERVER )
717 target = Client_GetFromID( Req->prefix );
718 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
722 /* Ist der Client "restricted"? */
723 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
727 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
728 * wir nichts. So macht es das Original und mind. Snak hat probleme,
729 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
731 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
734 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
735 * will nur die Gross- und Kleinschreibung aendern. Das darf
736 * er natuerlich machen :-) */
737 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
739 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
742 if( Client_Type( Client ) == CLIENT_USER )
744 /* Nick-Aenderung: allen mitteilen! */
745 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
746 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
747 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
749 else if( Client_Type( Client ) == CLIENT_SERVER )
751 /* Nick-Aenderung: allen mitteilen! */
752 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
753 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
756 /* Client-Nick registrieren */
757 Client_SetID( target, Req->argv[0] );
759 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
762 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
763 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
764 else Client_SetType( Client, CLIENT_GOTNICK );
768 else if( Client_Type( Client ) == CLIENT_SERVER )
770 /* Server fuehrt neuen Client ein */
772 /* Falsche Anzahl Parameter? */
773 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
775 /* Nick ueberpruefen */
776 c = Client_GetFromID( Req->argv[0] );
779 /* Der neue Nick ist auf diesem Server bereits registriert:
780 * sowohl der neue, als auch der alte Client muessen nun
781 * disconnectiert werden. */
782 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
783 Kill_Nick( Req->argv[0] );
787 /* Server, zu dem der Client connectiert ist, suchen */
788 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
791 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
792 Kill_Nick( Req->argv[0] );
796 /* Neue Client-Struktur anlegen */
797 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 );
800 /* Eine neue Client-Struktur konnte nicht angelegt werden.
801 * Der Client muss disconnectiert werden, damit der Netz-
802 * status konsistent bleibt. */
803 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
804 Kill_Nick( Req->argv[0] );
808 modes = Client_Modes( c );
809 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": "" );
810 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": "" );
812 /* Andere Server, ausser dem Introducer, informieren */
813 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] );
817 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
821 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
823 assert( Client != NULL );
824 assert( Req != NULL );
827 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
829 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
832 /* Falsche Anzahl Parameter? */
833 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
835 Client_SetUser( Client, Req->argv[0], FALSE );
836 Client_SetInfo( Client, Req->argv[3] );
838 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
839 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
840 else Client_SetType( Client, CLIENT_GOTUSER );
843 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
845 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
847 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
851 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
855 assert( Client != NULL );
856 assert( Req != NULL );
858 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
862 /* Falsche Anzahl Parameter? */
863 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
865 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
866 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
870 else if ( Client_Type( Client ) == CLIENT_SERVER )
874 /* Falsche Anzahl Parameter? */
875 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
877 target = Client_Search( Req->prefix );
880 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
884 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
885 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
889 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
893 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
897 assert( Client != NULL );
898 assert( Req != NULL );
900 /* SQUIT ist nur fuer Server erlaubt */
901 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
903 /* Falsche Anzahl Parameter? */
904 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
906 target = Client_GetFromID( Req->argv[0] );
909 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
913 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
914 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
916 /* SQUIT an alle Server weiterleiten */
917 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
919 if( Client_Conn( target ) > NONE )
921 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
922 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
927 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
933 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
935 assert( Client != NULL );
936 assert( Req != NULL );
938 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
940 /* Falsche Anzahl Parameter? */
941 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
942 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
944 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
945 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
949 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
951 assert( Client != NULL );
952 assert( Req != NULL );
954 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
956 /* Falsche Anzahl Parameter? */
957 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
958 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
960 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
961 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
963 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 )));
964 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
970 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
972 assert( Client != NULL );
973 assert( Req != NULL );
975 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
977 /* Falsche Anzahl Parameter? */
978 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
980 return Show_MOTD( Client );
984 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
989 assert( Client != NULL );
990 assert( Req != NULL );
992 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
994 /* Falsche Anzahl Parameter? */
995 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
996 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
997 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
999 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1001 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1003 to = Client_Search( Req->argv[0] );
1006 /* Okay, Ziel ist ein User */
1007 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1008 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1011 chan = Channel_Search( Req->argv[0] );
1014 /* Okay, Ziel ist ein Channel */
1015 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1016 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1019 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1023 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1027 assert( Client != NULL );
1028 assert( Req != NULL );
1030 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1032 /* Falsche Anzahl Parameter? */
1033 if( Req->argc != 2 ) return CONNECTED;
1035 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1037 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1039 to = Client_Search( Req->argv[0] );
1042 /* Okay, Ziel ist ein User */
1043 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1045 else return CONNECTED;
1049 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1051 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1054 CLIENT *cl, *chan_cl;
1056 assert( Client != NULL );
1057 assert( Req != NULL );
1059 cl = chan_cl = NULL;
1062 /* Valider Client? */
1063 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1065 /* Keine Parameter? */
1066 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1068 /* Ziel suchen: Client bzw. Channel */
1069 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1070 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1072 /* Kein Ziel gefunden? */
1073 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1075 assert(( cl && chan ) != TRUE );
1077 /* Falsche Anzahl Parameter? */
1078 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1079 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1081 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1082 if(( chan ) && (Req->argc == 3 ))
1084 chan_cl = Client_Search( Req->argv[2] );
1085 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1088 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1089 if( Client_Type( Client ) == CLIENT_USER )
1093 /* MODE ist nur fuer sich selber zulaessig! */
1094 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1098 /* Darf der User die Channel-Modes ermitteln? */
1102 /* Werden die Modes "nur" erfragt? */
1103 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1104 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEISCHAN_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1106 mode_ptr = Req->argv[1];
1108 /* Sollen Modes gesetzt oder geloescht werden? */
1111 if( *mode_ptr == '+' ) set = TRUE;
1112 else if( *mode_ptr == '-' ) set = FALSE;
1113 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1118 if( *mode_ptr == '-' ) set = FALSE;
1120 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1123 /* Reply-String mit Aenderungen vorbereiten */
1124 if( set ) strcpy( the_modes, "+" );
1125 else strcpy( the_modes, "-" );
1132 if( Client_Type( Client ) == CLIENT_SERVER )
1134 /* Befehl kommt von einem Server, daher
1135 * trauen wir ihm "unbesehen" ... */
1140 /* Modes validieren */
1151 /* restricted (kann nur gesetzt werden) */
1152 if( set ) x[0] = 'r';
1153 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1156 /* operator (kann nur geloescht werden) */
1159 Client_SetOperByMe( Client, FALSE );
1162 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1165 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1171 /* Channel-Modes oder Channel-User-Modes */
1174 /* Channel-User-Modes */
1175 Log( LOG_DEBUG, "Channel-User-Mode '%c' not supported ...", *mode_ptr );
1180 Log( LOG_DEBUG, "Channel-Mode '%c' not supported ...", *mode_ptr );
1187 if( ! x[0] ) continue;
1189 /* Okay, gueltigen Mode gefunden */
1192 /* Es geht um User-Modes */
1195 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1196 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1200 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1201 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1206 /* Es geht um Channel-Modes oder Channel-User-Modes */
1209 /* Channel-User-Modes */
1212 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1213 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1217 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1218 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1226 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1227 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1231 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1232 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1238 /* Wurden Modes geaendert? */
1244 if( Client_Type( Client ) == CLIENT_SERVER )
1246 /* Modes an andere Server forwarden */
1247 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1251 /* Bestaetigung an Client schicken & andere Server informieren */
1252 ok = IRC_WriteStrClient( Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1253 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1255 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1259 /* Channel-Modes oder Channel-User-Mode */
1262 /* Channel-User-Mode */
1263 if( Client_Type( Client ) == CLIENT_SERVER )
1265 /* Modes an andere Server und Channel-User forwarden */
1266 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1267 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1271 /* Bestaetigung an Client schicken & andere Server informieren */
1272 ok = IRC_WriteStrClient( Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1273 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1274 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1276 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1281 if( Client_Type( Client ) == CLIENT_SERVER )
1283 /* Modes an andere Server forwarden */
1284 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1288 /* Bestaetigung an Client schicken & andere Server informieren */
1289 ok = IRC_WriteStrClient( Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1290 IRC_WriteStrServers( Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1292 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1301 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1305 assert( Client != NULL );
1306 assert( Req != NULL );
1308 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1310 /* Falsche Anzahl Parameter? */
1311 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1313 /* Operator suchen */
1314 for( i = 0; i < Conf_Oper_Count; i++)
1316 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1318 if( i >= Conf_Oper_Count )
1320 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1321 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1324 /* Stimmt das Passwort? */
1325 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1327 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1328 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1331 if( ! Client_HasMode( Client, 'o' ))
1333 /* noch kein o-Mode gesetzt */
1334 Client_ModeAdd( Client, 'o' );
1335 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1336 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1339 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1341 Client_SetOperByMe( Client, TRUE );
1342 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1346 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1348 assert( Client != NULL );
1349 assert( Req != NULL );
1351 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1353 /* Falsche Anzahl Parameter? */
1354 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1356 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1358 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1364 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1366 assert( Client != NULL );
1367 assert( Req != NULL );
1369 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1371 /* Falsche Anzahl Parameter? */
1372 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1374 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1376 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1377 NGIRCd_Restart = TRUE;
1382 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1384 CHAR rpl[COMMAND_LEN];
1387 assert( Client != NULL );
1388 assert( Req != NULL );
1390 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1392 /* Falsche Anzahl Parameter? */
1393 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1395 /* Noch alle User ausgeben, die in keinem Channel sind */
1397 c = Client_First( );
1400 if( Client_Type( c ) == CLIENT_USER )
1402 /* Okay, das ist ein User */
1403 strcat( rpl, Client_ID( c ));
1407 /* Antwort zu lang? Splitten. */
1408 if( strlen( rpl ) > 480 )
1410 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1411 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1415 c = Client_Next( c );
1419 /* es wurden User gefunden */
1420 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1421 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1423 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1427 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1429 CHAR rpl[COMMAND_LEN];
1434 assert( Client != NULL );
1435 assert( Req != NULL );
1437 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1439 /* Falsche Anzahl Parameter? */
1440 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1442 strcpy( rpl, RPL_ISON_MSG );
1443 for( i = 0; i < Req->argc; i++ )
1445 ptr = strtok( Req->argv[i], " " );
1449 c = Client_GetFromID( ptr );
1450 if( c && ( Client_Type( c ) == CLIENT_USER ))
1452 /* Dieser Nick ist "online" */
1456 ptr = strtok( NULL, " " );
1459 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1461 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1465 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1467 CLIENT *from, *target, *c;
1468 CHAR str[LINE_LEN + 1], *ptr = NULL;
1472 assert( Client != NULL );
1473 assert( Req != NULL );
1475 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1477 /* Falsche Anzahl Parameter? */
1478 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1481 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1482 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1484 /* Empfaenger des WHOIS suchen */
1485 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1487 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1489 /* Forwarden an anderen Server? */
1492 /* angegebenen Ziel-Server suchen */
1493 target = Client_GetFromID( Req->argv[1] );
1494 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1498 else if( Client_Conn( c ) == NONE )
1500 /* Client ist nicht von uns. Ziel-Server suchen */
1507 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 );
1509 /* Nick, User und Name */
1510 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1513 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;
1516 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1517 cl2chan = Channel_FirstChannelOf( c );
1520 chan = Channel_GetChannel( cl2chan );
1521 assert( chan != NULL );
1523 /* Channel-Name anhaengen */
1524 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1525 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1526 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1527 strcat( str, Channel_Name( chan ));
1529 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1531 /* Zeile wird zu lang: senden! */
1532 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1533 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1536 /* naechstes Mitglied suchen */
1537 cl2chan = Channel_NextChannelOf( c, cl2chan );
1539 if( str[strlen( str ) - 1] != ':')
1541 /* Es sind noch Daten da, die gesendet werden muessen */
1542 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1546 if( Client_HasMode( c, 'o' ))
1548 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1551 /* Idle (nur lokale Clients) */
1552 if( Client_Conn( c ) > NONE )
1554 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1558 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1562 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1564 CHAR rpl[COMMAND_LEN];
1568 assert( Client != NULL );
1569 assert( Req != NULL );
1571 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1573 /* Falsche Anzahl Parameter? */
1574 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1576 if( Req->argc > 5 ) max = 5;
1577 else max = Req->argc;
1579 strcpy( rpl, RPL_USERHOST_MSG );
1580 for( i = 0; i < max; i++ )
1582 c = Client_GetFromID( Req->argv[i] );
1583 if( c && ( Client_Type( c ) == CLIENT_USER ))
1585 /* Dieser Nick ist "online" */
1586 strcat( rpl, Client_ID( c ));
1587 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1589 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1590 else strcat( rpl, "+" );
1591 strcat( rpl, Client_User( c ));
1593 strcat( rpl, Client_Hostname( c ));
1597 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1599 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1600 } /* IRC_USERHOST */
1603 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1605 assert( Client != NULL );
1606 assert( Req != NULL );
1608 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1609 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1615 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1617 CLIENT *target, *from;
1620 assert( Client != NULL );
1621 assert( Req != NULL );
1623 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1625 /* Falsche Anzahl Parameter? */
1626 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1628 /* Absender ermitteln */
1629 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1631 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1633 /* An anderen Server forwarden? */
1634 if( Req->argc == 2 )
1636 target = Client_GetFromID( Req->argv[1] );
1637 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1638 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1641 /* Wer ist der Absender? */
1642 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1643 else target = Client;
1644 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1646 /* Users, Services und Serevr im Netz */
1647 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1649 /* IRC-Operatoren im Netz */
1650 cnt = Client_OperCount( );
1653 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1656 /* Unbekannt Verbindungen */
1657 cnt = Client_UnknownCount( );
1660 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1663 /* Channels im Netz */
1664 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1666 /* Channels im Netz */
1667 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1673 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1675 CLIENT *target, *from, *c;
1678 assert( Client != NULL );
1679 assert( Req != NULL );
1681 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1683 /* Falsche Anzahl Parameter? */
1684 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1686 /* Server-Mask ermitteln */
1687 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1690 /* Absender ermitteln */
1691 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1693 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1695 /* An anderen Server forwarden? */
1696 if( Req->argc == 2 )
1698 target = Client_GetFromID( Req->argv[0] );
1699 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1700 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1703 /* Wer ist der Absender? */
1704 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1705 else target = Client;
1706 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1708 c = Client_First( );
1711 if( Client_Type( c ) == CLIENT_SERVER )
1713 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;
1715 c = Client_Next( c );
1718 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1722 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1724 CHAR *channame, *flags, modes[8];
1725 BOOLEAN is_new_chan;
1729 assert( Client != NULL );
1730 assert( Req != NULL );
1732 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1734 /* Falsche Anzahl Parameter? */
1735 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1737 /* Wer ist der Absender? */
1738 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1739 else target = Client;
1740 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1742 /* Channel-Namen durchgehen */
1743 channame = strtok( Req->argv[0], "," );
1746 /* wird der Channel neu angelegt? */
1749 if( Channel_Search( channame )) is_new_chan = FALSE;
1750 else is_new_chan = TRUE;
1752 /* Hat ein Server Channel-User-Modes uebergeben? */
1753 if( Client_Type( Client ) == CLIENT_SERVER )
1755 /* Channel-Flags extrahieren */
1756 flags = strchr( channame, 0x7 );
1757 if( flags ) *flags++ = '\0';
1760 /* neuer Channel udn lokaler Client? */
1761 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1763 /* Dann soll der Client Channel-Operator werden! */
1767 /* Channel joinen (und ggf. anlegen) */
1768 if( ! Channel_Join( target, channame ))
1770 /* naechsten Namen ermitteln */
1771 channame = strtok( NULL, "," );
1774 chan = Channel_Search( channame );
1775 assert( chan != NULL );
1777 /* Modes setzen (wenn vorhanden) */
1778 while( flags && *flags )
1780 Channel_UserModeAdd( chan, target, *flags );
1784 /* Muessen Modes an andere Server gemeldet werden? */
1785 strcpy( &modes[1], Channel_UserModes( chan, target ));
1786 if( modes[1] ) modes[0] = 0x7;
1787 else modes[0] = '\0';
1789 /* An andere Server weiterleiten */
1790 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1792 /* im Channel bekannt machen */
1793 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1796 /* Modes im Channel bekannt machen */
1797 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1800 if( Client_Type( Client ) == CLIENT_USER )
1802 /* an Client bestaetigen */
1803 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1804 /* Topic an Client schicken */
1805 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1806 /* Mitglieder an Client Melden */
1807 Send_NAMES( Client, chan );
1810 /* naechsten Namen ermitteln */
1811 channame = strtok( NULL, "," );
1817 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1822 assert( Client != NULL );
1823 assert( Req != NULL );
1825 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1827 /* Falsche Anzahl Parameter? */
1828 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1830 /* Wer ist der Absender? */
1831 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1832 else target = Client;
1833 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1835 /* Channel-Namen durchgehen */
1836 chan = strtok( Req->argv[0], "," );
1839 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1841 /* naechsten Namen ermitteln */
1842 chan = strtok( NULL, "," );
1846 /* naechsten Namen ermitteln */
1847 chan = strtok( NULL, "," );
1853 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1855 assert( Client != NULL );
1857 /* Passwort ueberpruefen */
1858 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1860 /* Falsches Passwort */
1861 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1862 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1863 return DISCONNECTED;
1866 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1868 /* Andere Server informieren */
1869 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 ));
1871 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1872 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1873 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1874 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1876 Client_SetType( Client, CLIENT_USER );
1878 return Show_MOTD( Client );
1882 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1888 assert( Client != NULL );
1890 fd = fopen( Conf_MotdFile, "r" );
1893 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1894 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1897 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1900 if( ! fgets( line, 126, fd )) break;
1901 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1902 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1908 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1916 LOCAL VOID Kill_Nick( CHAR *Nick )
1918 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1920 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1924 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1926 CHAR str[LINE_LEN + 1];
1930 assert( Client != NULL );
1931 assert( Chan != NULL );
1933 /* Alle Mitglieder suchen */
1934 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1935 cl2chan = Channel_FirstMember( Chan );
1938 cl = Channel_GetClient( cl2chan );
1940 /* Nick anhaengen */
1941 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1942 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
1943 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
1944 strcat( str, Client_ID( cl ));
1946 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1948 /* Zeile wird zu lang: senden! */
1949 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1950 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1953 /* naechstes Mitglied suchen */
1954 cl2chan = Channel_NextMember( Chan, cl2chan );
1956 if( str[strlen( str ) - 1] != ':')
1958 /* Es sind noch Daten da, die gesendet werden muessen */
1959 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1963 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));