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 1.51 2002/02/11 15:15:53 alex Exp $
17 * Revision 1.51 2002/02/11 15:15:53 alex
18 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
19 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
21 * Revision 1.50 2002/02/11 01:03:20 alex
22 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
23 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
24 * angelegt wird, werden Channel-Operator, etc. pp. ...
25 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
27 * Revision 1.49 2002/02/06 16:51:22 alex
28 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
30 * Revision 1.48 2002/01/29 00:13:45 alex
31 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
32 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
33 * LINKS wieder korrekt.
35 * Revision 1.47 2002/01/28 13:05:48 alex
36 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
37 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
39 * Revision 1.46 2002/01/28 01:45:43 alex
40 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
42 * Revision 1.45 2002/01/28 01:18:14 alex
43 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
45 * Revision 1.44 2002/01/28 00:55:08 alex
46 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
48 * Revision 1.43 2002/01/27 21:56:39 alex
49 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
50 * - einige kleinere Fixes bezueglich Channels ...
52 * Revision 1.42 2002/01/27 18:28:01 alex
53 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
55 * Revision 1.41 2002/01/27 17:15:49 alex
56 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
57 * IRC_WriteStrChannelPrefix(),
58 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
60 * Revision 1.40 2002/01/26 18:43:11 alex
61 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
62 * die IRC_Write_xxx_Related() sind dafuer entfallen.
63 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
65 * Revision 1.39 2002/01/21 00:05:11 alex
66 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
67 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
68 * - diverse Aenderungen im Zusammenhang mit Channels.
70 * Revision 1.38 2002/01/18 15:31:32 alex
71 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
73 * Revision 1.37 2002/01/16 22:10:18 alex
74 * - IRC_LUSERS() implementiert.
76 * Revision 1.36 2002/01/11 23:50:55 alex
77 * - LINKS implementiert, LUSERS begonnen.
79 * Revision 1.35 2002/01/09 21:30:45 alex
80 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
82 * Revision 1.34 2002/01/09 01:09:58 alex
83 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
84 * - andere Server werden nun ueber bisherige Server und User informiert.
86 * Revision 1.33 2002/01/07 23:42:12 alex
87 * - Es werden fuer alle Server eigene Token generiert,
88 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
89 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
91 * Revision 1.32 2002/01/07 16:02:36 alex
92 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
93 * - Im Debug-Mode werden nun auch PING's protokolliert.
95 * Revision 1.31 2002/01/07 15:39:46 alex
96 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
97 * - MODE und NICK melden nun die Aenderungen an andere Server.
99 * Revision 1.30 2002/01/06 15:21:29 alex
100 * - Loglevel und Meldungen nochmals ueberarbeitet.
101 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
102 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
104 * Revision 1.29 2002/01/05 23:24:54 alex
105 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
106 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
108 * Revision 1.28 2002/01/05 20:08:02 alex
109 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
110 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
112 * Revision 1.27 2002/01/05 19:15:03 alex
113 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
115 * Revision 1.26 2002/01/05 16:51:18 alex
116 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
118 * Revision 1.25 2002/01/05 00:48:33 alex
119 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
121 * Revision 1.24 2002/01/04 17:58:44 alex
122 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
123 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
125 * Revision 1.23 2002/01/04 01:36:40 alex
126 * - Loglevel ein wenig angepasst.
128 * Revision 1.22 2002/01/04 01:21:47 alex
129 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
130 * - Weitere Anpassungen und Erweiterungen der Server-Links.
132 * Revision 1.21 2002/01/03 02:26:51 alex
133 * - neue Befehle SERVER und NJOIN begonnen,
134 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
136 * Revision 1.20 2002/01/02 12:46:41 alex
137 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
139 * Revision 1.19 2002/01/02 02:51:39 alex
140 * - Copyright-Texte angepasst.
141 * - neuer Befehl "ERROR".
143 * Revision 1.17 2001/12/31 15:33:13 alex
144 * - neuer Befehl NAMES, kleinere Bugfixes.
145 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
147 * Revision 1.16 2001/12/31 02:18:51 alex
148 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
149 * - neuen Header "defines.h" mit (fast) allen Konstanten.
150 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
152 * Revision 1.15 2001/12/30 19:26:11 alex
153 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
155 * Revision 1.14 2001/12/30 11:42:00 alex
156 * - der Server meldet nun eine ordentliche "Start-Zeit".
158 * Revision 1.13 2001/12/29 03:10:06 alex
159 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
160 * - neue configure-Optione "--enable-strict-rfc".
162 * Revision 1.12 2001/12/27 19:17:26 alex
163 * - neue Befehle PRIVMSG, NOTICE, PING.
165 * Revision 1.11 2001/12/27 16:55:41 alex
166 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
168 * Revision 1.10 2001/12/26 22:48:53 alex
169 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
171 * Revision 1.9 2001/12/26 14:45:37 alex
174 * Revision 1.8 2001/12/26 03:21:46 alex
175 * - PING/PONG-Befehle implementiert,
176 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
178 * Revision 1.7 2001/12/25 23:25:18 alex
179 * - und nochmal Aenderungen am Logging ;-)
181 * Revision 1.6 2001/12/25 23:13:33 alex
182 * - Debug-Meldungen angepasst.
184 * Revision 1.5 2001/12/25 22:02:42 alex
185 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
187 * Revision 1.4 2001/12/25 19:19:30 alex
188 * - bessere Fehler-Abfragen, diverse Bugfixes.
189 * - Nicks werden nur einmal vergeben :-)
190 * - /MOTD wird unterstuetzt.
192 * Revision 1.3 2001/12/24 01:34:06 alex
193 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
194 * - MOTD-Ausgabe begonnen zu implementieren.
196 * Revision 1.2 2001/12/23 21:57:16 alex
197 * - erste IRC-Befehle zu implementieren begonnen.
199 * Revision 1.1 2001/12/14 08:13:43 alex
200 * - neues Modul begonnen :-)
221 #include "messages.h"
229 #define CONNECTED TRUE
230 #define DISCONNECTED FALSE
233 LOCAL BOOLEAN Hello_User( CLIENT *Client );
234 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
236 LOCAL VOID Kill_Nick( CHAR *Nick );
238 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
241 GLOBAL VOID IRC_Init( VOID )
246 GLOBAL VOID IRC_Exit( VOID )
251 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
254 BOOLEAN ok = CONNECTED;
257 assert( Client != NULL );
258 assert( Format != NULL );
260 va_start( ap, Format );
261 vsnprintf( buffer, 1000, Format, ap );
264 /* an den Client selber */
265 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
268 } /* IRC_WriteStrClient */
271 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
273 /* Text an Clients, lokal bzw. remote, senden. */
278 assert( Client != NULL );
279 assert( Format != NULL );
280 assert( Prefix != NULL );
282 va_start( ap, Format );
283 vsnprintf( buffer, 1000, Format, ap );
286 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
287 } /* IRC_WriteStrClientPrefix */
290 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
295 assert( Client != NULL );
296 assert( Format != NULL );
298 va_start( ap, Format );
299 vsnprintf( buffer, 1000, Format, ap );
302 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
303 } /* IRC_WriteStrChannel */
306 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
309 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
315 assert( Client != NULL );
316 assert( Chan != NULL );
317 assert( Prefix != NULL );
318 assert( Format != NULL );
320 va_start( ap, Format );
321 vsnprintf( buffer, 1000, Format, ap );
324 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
326 /* An alle Clients, die in den selben Channels sind.
327 * Dabei aber nur einmal je Remote-Server */
328 cl2chan = Channel_FirstMember( Chan );
331 c = Channel_GetClient( cl2chan );
334 if( Client_Conn( c ) <= NONE ) c = NULL;
335 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
337 if( c ) c = Client_NextHop( c );
339 if( c && ( c != Client ))
341 /* Ok, anderer Client */
342 s = Client_Conn( c );
344 assert( s < MAX_CONNECTIONS );
347 cl2chan = Channel_NextMember( Chan, cl2chan );
351 for( i = 0; i < MAX_CONNECTIONS; i++ )
355 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
360 } /* IRC_WriteStrChannelPrefix */
363 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
368 assert( Format != NULL );
370 va_start( ap, Format );
371 vsnprintf( buffer, 1000, Format, ap );
374 /* an den Client selber */
375 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
376 } /* IRC_WriteStrServers */
379 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
385 assert( Format != NULL );
386 assert( Prefix != NULL );
388 va_start( ap, Format );
389 vsnprintf( buffer, 1000, Format, ap );
395 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
397 /* Ziel-Server gefunden */
398 IRC_WriteStrClientPrefix( c, Prefix, buffer );
400 c = Client_Next( c );
402 } /* IRC_WriteStrServersPrefix */
405 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
407 assert( Client != NULL );
408 assert( Req != NULL );
410 /* Fehler liefern, wenn kein lokaler Client */
411 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
413 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
415 /* noch nicht registrierte unbekannte Verbindung */
416 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
418 /* Passwort speichern */
419 Client_SetPassword( Client, Req->argv[0] );
421 Client_SetType( Client, CLIENT_GOTPASS );
424 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
426 /* noch nicht registrierte Server-Verbindung */
427 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
429 /* Passwort speichern */
430 Client_SetPassword( Client, Req->argv[0] );
432 Client_SetType( Client, CLIENT_GOTPASSSERVER );
435 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
437 /* Falsche Anzahl Parameter? */
438 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
440 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
444 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
446 CHAR str[LINE_LEN], *ptr;
447 CLIENT *from, *c, *cl;
453 assert( Client != NULL );
454 assert( Req != NULL );
456 /* Fehler liefern, wenn kein lokaler Client */
457 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
459 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
461 /* Verbindung soll als Server-Server-Verbindung registriert werden */
462 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
464 /* Falsche Anzahl Parameter? */
465 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
467 /* Ist dieser Server bei uns konfiguriert? */
468 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
469 if( i >= Conf_Server_Count )
471 /* Server ist nicht konfiguriert! */
472 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
473 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
476 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
478 /* Falsches Passwort */
479 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
480 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
484 /* Ist ein Server mit dieser ID bereits registriert? */
485 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
487 /* Server-Strukturen fuellen ;-) */
488 Client_SetID( Client, Req->argv[0] );
489 Client_SetHops( Client, 1 );
490 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
492 /* Meldet sich der Server bei uns an? */
495 /* Unseren SERVER- und PASS-Befehl senden */
497 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
498 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
501 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
504 Client_SetIntroducer( Client, Client );
505 Client_SetToken( Client, 1 );
507 else Client_SetToken( Client, atoi( Req->argv[1] ));
509 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
511 Client_SetType( Client, CLIENT_SERVER );
513 /* maximalen Hop Count ermitteln */
518 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
519 c = Client_Next( c );
522 /* Alle bisherigen Server dem neuen Server bekannt machen,
523 * die bisherigen Server ueber den neuen informierenn */
524 for( i = 0; i < ( max_hops + 1 ); i++ )
529 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
531 if( Client_Conn( c ) > NONE )
533 /* Dem gefundenen Server gleich den neuen
534 * Server bekannt machen */
535 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
538 /* Den neuen Server ueber den alten informieren */
539 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;
541 c = Client_Next( c );
545 /* alle User dem neuen Server bekannt machen */
549 if( Client_Type( c ) == CLIENT_USER )
551 /* User an neuen Server melden */
552 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;
554 c = Client_Next( c );
557 /* Channels dem neuen Server bekannt machen */
558 chan = Channel_First( );
561 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
563 /* alle Member suchen */
564 cl2chan = Channel_FirstMember( chan );
567 cl = Channel_GetClient( cl2chan );
568 assert( cl != NULL );
570 /* Nick, ggf. mit Modes, anhaengen */
571 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
572 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
573 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
574 strcat( str, Client_ID( cl ));
576 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
579 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
580 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
583 cl2chan = Channel_NextMember( chan, cl2chan );
587 if( str[strlen( str ) - 1] != ':')
589 /* Ja; Also senden ... */
590 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
593 /* naechsten Channel suchen */
594 chan = Channel_Next( chan );
599 else if( Client_Type( Client ) == CLIENT_SERVER )
601 /* Neuer Server wird im Netz angekuendigt */
603 /* Falsche Anzahl Parameter? */
604 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
606 /* Ist ein Server mit dieser ID bereits registriert? */
607 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
609 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
610 ptr = strchr( Req->argv[3] + 2, '[' );
611 if( ! ptr ) ptr = Req->argv[3];
613 from = Client_GetFromID( Req->prefix );
616 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
617 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
618 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
622 /* Neue Client-Struktur anlegen */
623 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
626 /* Neue Client-Struktur konnte nicht angelegt werden */
627 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
628 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
632 /* Log-Meldung zusammenbauen und ausgeben */
633 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
634 else strcpy( str, "" );
635 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": "" );
637 /* Andere Server informieren */
638 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
642 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
646 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
648 BOOLEAN is_op, is_voiced;
649 CHAR *channame, *ptr;
653 assert( Client != NULL );
654 assert( Req != NULL );
656 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
658 /* Falsche Anzahl Parameter? */
659 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
661 channame = Req->argv[0];
662 ptr = strtok( Req->argv[1], "," );
665 is_op = is_voiced = FALSE;
667 /* Prefixe abschneiden */
668 while(( *ptr == '@' ) || ( *ptr == '+' ))
670 if( *ptr == '@' ) is_op = TRUE;
671 if( *ptr == '+' ) is_voiced = TRUE;
675 c = Client_GetFromID( ptr );
678 Channel_Join( c, channame );
679 chan = Channel_Search( channame );
680 assert( chan != NULL );
682 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
683 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
685 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
687 /* naechsten Nick suchen */
688 ptr = strtok( NULL, "," );
691 /* an andere Server weiterleiten */
692 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
698 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
700 CLIENT *intr_c, *target, *c;
703 assert( Client != NULL );
704 assert( Req != NULL );
706 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
708 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 ))
710 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 ))
713 /* User-Registrierung bzw. Nick-Aenderung */
715 /* Falsche Anzahl Parameter? */
716 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
718 /* "Ziel-Client" ermitteln */
719 if( Client_Type( Client ) == CLIENT_SERVER )
721 target = Client_GetFromID( Req->prefix );
722 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
726 /* Ist der Client "restricted"? */
727 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
731 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
732 * wir nichts. So macht es das Original und mind. Snak hat probleme,
733 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
735 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
738 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
739 * will nur die Gross- und Kleinschreibung aendern. Das darf
740 * er natuerlich machen :-) */
741 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
743 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
746 if( Client_Type( Client ) == CLIENT_USER )
748 /* Nick-Aenderung: allen mitteilen! */
749 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
750 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
751 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
753 else if( Client_Type( Client ) == CLIENT_SERVER )
755 /* Nick-Aenderung: allen mitteilen! */
756 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
757 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
760 /* Client-Nick registrieren */
761 Client_SetID( target, Req->argv[0] );
763 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
766 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
767 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
768 else Client_SetType( Client, CLIENT_GOTNICK );
772 else if( Client_Type( Client ) == CLIENT_SERVER )
774 /* Server fuehrt neuen Client ein */
776 /* Falsche Anzahl Parameter? */
777 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
779 /* Nick ueberpruefen */
780 c = Client_GetFromID( Req->argv[0] );
783 /* Der neue Nick ist auf diesem Server bereits registriert:
784 * sowohl der neue, als auch der alte Client muessen nun
785 * disconnectiert werden. */
786 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
787 Kill_Nick( Req->argv[0] );
791 /* Server, zu dem der Client connectiert ist, suchen */
792 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
795 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
796 Kill_Nick( Req->argv[0] );
800 /* Neue Client-Struktur anlegen */
801 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 );
804 /* Eine neue Client-Struktur konnte nicht angelegt werden.
805 * Der Client muss disconnectiert werden, damit der Netz-
806 * status konsistent bleibt. */
807 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
808 Kill_Nick( Req->argv[0] );
812 modes = Client_Modes( c );
813 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": "" );
814 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": "" );
816 /* Andere Server, ausser dem Introducer, informieren */
817 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] );
821 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
825 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
827 assert( Client != NULL );
828 assert( Req != NULL );
831 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
833 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
836 /* Falsche Anzahl Parameter? */
837 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
839 Client_SetUser( Client, Req->argv[0], FALSE );
840 Client_SetInfo( Client, Req->argv[3] );
842 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
843 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
844 else Client_SetType( Client, CLIENT_GOTUSER );
847 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
849 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
851 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
855 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
859 assert( Client != NULL );
860 assert( Req != NULL );
862 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
866 /* Falsche Anzahl Parameter? */
867 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
869 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
870 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
874 else if ( Client_Type( Client ) == CLIENT_SERVER )
878 /* Falsche Anzahl Parameter? */
879 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
881 target = Client_Search( Req->prefix );
884 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
888 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
889 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
893 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
897 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
901 assert( Client != NULL );
902 assert( Req != NULL );
904 /* SQUIT ist nur fuer Server erlaubt */
905 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
907 /* Falsche Anzahl Parameter? */
908 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
910 target = Client_GetFromID( Req->argv[0] );
913 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
917 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
918 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
920 /* SQUIT an alle Server weiterleiten */
921 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
923 if( Client_Conn( target ) > NONE )
925 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
926 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
931 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
937 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
939 CLIENT *target, *from;
941 assert( Client != NULL );
942 assert( Req != NULL );
944 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
946 /* Falsche Anzahl Parameter? */
947 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
948 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
952 /* es wurde ein Ziel-Client angegeben */
953 target = Client_GetFromID( Req->argv[1] );
954 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
955 if( target != Client_ThisServer( ))
958 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
960 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
961 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
965 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
966 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
970 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
972 CLIENT *target, *from;
974 assert( Client != NULL );
975 assert( Req != NULL );
977 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
979 /* Falsche Anzahl Parameter? */
980 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
981 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
986 target = Client_GetFromID( Req->argv[1] );
987 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
988 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
990 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
991 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
994 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
995 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
997 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 )));
998 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1004 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1006 assert( Client != NULL );
1007 assert( Req != NULL );
1009 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1011 /* Falsche Anzahl Parameter? */
1012 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1014 return Show_MOTD( Client );
1018 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1023 assert( Client != NULL );
1024 assert( Req != NULL );
1026 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1028 /* Falsche Anzahl Parameter? */
1029 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1030 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1031 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1033 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1035 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1037 to = Client_Search( Req->argv[0] );
1040 /* Okay, Ziel ist ein User */
1041 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1042 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1045 chan = Channel_Search( Req->argv[0] );
1048 /* Okay, Ziel ist ein Channel */
1049 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1050 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1053 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1057 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1061 assert( Client != NULL );
1062 assert( Req != NULL );
1064 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1066 /* Falsche Anzahl Parameter? */
1067 if( Req->argc != 2 ) return CONNECTED;
1069 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1071 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1073 to = Client_Search( Req->argv[0] );
1076 /* Okay, Ziel ist ein User */
1077 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1079 else return CONNECTED;
1083 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1085 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1088 CLIENT *cl, *chan_cl;
1090 assert( Client != NULL );
1091 assert( Req != NULL );
1093 cl = chan_cl = NULL;
1096 /* Valider Client? */
1097 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1099 /* Keine Parameter? */
1100 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1102 /* Ziel suchen: Client bzw. Channel */
1103 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1104 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1106 /* Kein Ziel gefunden? */
1107 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1109 assert(( cl && chan ) != TRUE );
1111 /* Falsche Anzahl Parameter? */
1112 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1113 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1115 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1116 if(( chan ) && (Req->argc == 3 ))
1118 chan_cl = Client_Search( Req->argv[2] );
1119 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1122 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1123 if( Client_Type( Client ) == CLIENT_USER )
1127 /* MODE ist nur fuer sich selber zulaessig! */
1128 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1132 /* Darf der User die Channel-Modes ermitteln? */
1136 /* Werden die Modes "nur" erfragt? */
1137 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1138 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEISCHAN_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1140 mode_ptr = Req->argv[1];
1142 /* Sollen Modes gesetzt oder geloescht werden? */
1145 if( *mode_ptr == '+' ) set = TRUE;
1146 else if( *mode_ptr == '-' ) set = FALSE;
1147 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1152 if( *mode_ptr == '-' ) set = FALSE;
1154 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1157 /* Reply-String mit Aenderungen vorbereiten */
1158 if( set ) strcpy( the_modes, "+" );
1159 else strcpy( the_modes, "-" );
1166 if( Client_Type( Client ) == CLIENT_SERVER )
1168 /* Befehl kommt von einem Server, daher
1169 * trauen wir ihm "unbesehen" ... */
1174 /* Modes validieren */
1185 /* restricted (kann nur gesetzt werden) */
1186 if( set ) x[0] = 'r';
1187 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1190 /* operator (kann nur geloescht werden) */
1193 Client_SetOperByMe( Client, FALSE );
1196 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1199 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1205 /* Channel-Modes oder Channel-User-Modes */
1208 /* Channel-User-Modes */
1209 Log( LOG_DEBUG, "Channel-User-Mode '%c' not supported ...", *mode_ptr );
1214 Log( LOG_DEBUG, "Channel-Mode '%c' not supported ...", *mode_ptr );
1221 if( ! x[0] ) continue;
1223 /* Okay, gueltigen Mode gefunden */
1226 /* Es geht um User-Modes */
1229 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1230 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1234 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1235 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1240 /* Es geht um Channel-Modes oder Channel-User-Modes */
1243 /* Channel-User-Modes */
1246 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1247 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1251 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1252 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1260 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1261 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1265 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1266 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1272 /* Wurden Modes geaendert? */
1278 if( Client_Type( Client ) == CLIENT_SERVER )
1280 /* Modes an andere Server forwarden */
1281 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1285 /* Bestaetigung an Client schicken & andere Server informieren */
1286 ok = IRC_WriteStrClient( Client, "MODE %s %s", Client_ID( cl ), the_modes );
1287 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1289 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1293 /* Channel-Modes oder Channel-User-Mode */
1296 /* Channel-User-Mode */
1297 if( Client_Type( Client ) == CLIENT_SERVER )
1299 /* Modes an andere Server und Channel-User forwarden */
1300 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1301 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1305 /* Bestaetigung an Client schicken & andere Server informieren */
1306 ok = IRC_WriteStrClient( Client, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1307 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1308 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1310 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1315 if( Client_Type( Client ) == CLIENT_SERVER )
1317 /* Modes an andere Server forwarden */
1318 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1322 /* Bestaetigung an Client schicken & andere Server informieren */
1323 ok = IRC_WriteStrClient( Client, "MODE %s %s", Channel_Name( chan ), the_modes );
1324 IRC_WriteStrServers( Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1326 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1335 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1339 assert( Client != NULL );
1340 assert( Req != NULL );
1342 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1344 /* Falsche Anzahl Parameter? */
1345 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1347 /* Operator suchen */
1348 for( i = 0; i < Conf_Oper_Count; i++)
1350 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1352 if( i >= Conf_Oper_Count )
1354 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1355 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1358 /* Stimmt das Passwort? */
1359 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1361 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1362 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1365 if( ! Client_HasMode( Client, 'o' ))
1367 /* noch kein o-Mode gesetzt */
1368 Client_ModeAdd( Client, 'o' );
1369 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1370 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1373 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1375 Client_SetOperByMe( Client, TRUE );
1376 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1380 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1382 assert( Client != NULL );
1383 assert( Req != NULL );
1385 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1387 /* Falsche Anzahl Parameter? */
1388 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1390 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1392 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1398 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1400 assert( Client != NULL );
1401 assert( Req != NULL );
1403 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1405 /* Falsche Anzahl Parameter? */
1406 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1408 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1410 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1411 NGIRCd_Restart = TRUE;
1416 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1418 CHAR rpl[COMMAND_LEN];
1421 assert( Client != NULL );
1422 assert( Req != NULL );
1424 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1426 /* Falsche Anzahl Parameter? */
1427 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1429 /* Noch alle User ausgeben, die in keinem Channel sind */
1431 c = Client_First( );
1434 if( Client_Type( c ) == CLIENT_USER )
1436 /* Okay, das ist ein User */
1437 strcat( rpl, Client_ID( c ));
1441 /* Antwort zu lang? Splitten. */
1442 if( strlen( rpl ) > 480 )
1444 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1445 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1449 c = Client_Next( c );
1453 /* es wurden User gefunden */
1454 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1455 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1457 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1461 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1463 CHAR rpl[COMMAND_LEN];
1468 assert( Client != NULL );
1469 assert( Req != NULL );
1471 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1473 /* Falsche Anzahl Parameter? */
1474 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1476 strcpy( rpl, RPL_ISON_MSG );
1477 for( i = 0; i < Req->argc; i++ )
1479 ptr = strtok( Req->argv[i], " " );
1483 c = Client_GetFromID( ptr );
1484 if( c && ( Client_Type( c ) == CLIENT_USER ))
1486 /* Dieser Nick ist "online" */
1490 ptr = strtok( NULL, " " );
1493 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1495 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1499 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1501 CLIENT *from, *target, *c;
1502 CHAR str[LINE_LEN + 1], *ptr = NULL;
1506 assert( Client != NULL );
1507 assert( Req != NULL );
1509 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1511 /* Falsche Anzahl Parameter? */
1512 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1515 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1516 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1518 /* Empfaenger des WHOIS suchen */
1519 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1521 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1523 /* Forwarden an anderen Server? */
1526 /* angegebenen Ziel-Server suchen */
1527 target = Client_GetFromID( Req->argv[1] );
1528 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1532 else if( Client_Conn( c ) == NONE )
1534 /* Client ist nicht von uns. Ziel-Server suchen */
1541 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 );
1543 /* Nick, User und Name */
1544 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1547 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;
1550 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1551 cl2chan = Channel_FirstChannelOf( c );
1554 chan = Channel_GetChannel( cl2chan );
1555 assert( chan != NULL );
1557 /* Channel-Name anhaengen */
1558 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1559 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1560 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1561 strcat( str, Channel_Name( chan ));
1563 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1565 /* Zeile wird zu lang: senden! */
1566 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1567 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1570 /* naechstes Mitglied suchen */
1571 cl2chan = Channel_NextChannelOf( c, cl2chan );
1573 if( str[strlen( str ) - 1] != ':')
1575 /* Es sind noch Daten da, die gesendet werden muessen */
1576 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1580 if( Client_HasMode( c, 'o' ))
1582 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1585 /* Idle (nur lokale Clients) */
1586 if( Client_Conn( c ) > NONE )
1588 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1592 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1596 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1598 CHAR rpl[COMMAND_LEN];
1602 assert( Client != NULL );
1603 assert( Req != NULL );
1605 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1607 /* Falsche Anzahl Parameter? */
1608 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1610 if( Req->argc > 5 ) max = 5;
1611 else max = Req->argc;
1613 strcpy( rpl, RPL_USERHOST_MSG );
1614 for( i = 0; i < max; i++ )
1616 c = Client_GetFromID( Req->argv[i] );
1617 if( c && ( Client_Type( c ) == CLIENT_USER ))
1619 /* Dieser Nick ist "online" */
1620 strcat( rpl, Client_ID( c ));
1621 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1623 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1624 else strcat( rpl, "+" );
1625 strcat( rpl, Client_User( c ));
1627 strcat( rpl, Client_Hostname( c ));
1631 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1633 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1634 } /* IRC_USERHOST */
1637 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1639 assert( Client != NULL );
1640 assert( Req != NULL );
1642 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1643 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1649 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1651 CLIENT *target, *from;
1654 assert( Client != NULL );
1655 assert( Req != NULL );
1657 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1659 /* Falsche Anzahl Parameter? */
1660 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1662 /* Absender ermitteln */
1663 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1665 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1667 /* An anderen Server forwarden? */
1668 if( Req->argc == 2 )
1670 target = Client_GetFromID( Req->argv[1] );
1671 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1672 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1675 /* Wer ist der Absender? */
1676 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1677 else target = Client;
1678 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1680 /* Users, Services und Serevr im Netz */
1681 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1683 /* IRC-Operatoren im Netz */
1684 cnt = Client_OperCount( );
1687 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1690 /* Unbekannt Verbindungen */
1691 cnt = Client_UnknownCount( );
1694 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1697 /* Channels im Netz */
1698 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1700 /* Channels im Netz */
1701 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1707 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1709 CLIENT *target, *from, *c;
1712 assert( Client != NULL );
1713 assert( Req != NULL );
1715 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1717 /* Falsche Anzahl Parameter? */
1718 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1720 /* Server-Mask ermitteln */
1721 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1724 /* Absender ermitteln */
1725 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1727 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1729 /* An anderen Server forwarden? */
1730 if( Req->argc == 2 )
1732 target = Client_GetFromID( Req->argv[0] );
1733 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1734 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
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 c = Client_First( );
1745 if( Client_Type( c ) == CLIENT_SERVER )
1747 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;
1749 c = Client_Next( c );
1752 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1756 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1758 CHAR *channame, *flags, modes[8];
1759 BOOLEAN is_new_chan;
1763 assert( Client != NULL );
1764 assert( Req != NULL );
1766 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1768 /* Falsche Anzahl Parameter? */
1769 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1771 /* Wer ist der Absender? */
1772 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1773 else target = Client;
1774 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1776 /* Channel-Namen durchgehen */
1777 channame = strtok( Req->argv[0], "," );
1780 /* wird der Channel neu angelegt? */
1783 if( Channel_Search( channame )) is_new_chan = FALSE;
1784 else is_new_chan = TRUE;
1786 /* Hat ein Server Channel-User-Modes uebergeben? */
1787 if( Client_Type( Client ) == CLIENT_SERVER )
1789 /* Channel-Flags extrahieren */
1790 flags = strchr( channame, 0x7 );
1791 if( flags ) *flags++ = '\0';
1794 /* neuer Channel udn lokaler Client? */
1795 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1797 /* Dann soll der Client Channel-Operator werden! */
1801 /* Channel joinen (und ggf. anlegen) */
1802 if( ! Channel_Join( target, channame ))
1804 /* naechsten Namen ermitteln */
1805 channame = strtok( NULL, "," );
1808 chan = Channel_Search( channame );
1809 assert( chan != NULL );
1811 /* Modes setzen (wenn vorhanden) */
1812 while( flags && *flags )
1814 Channel_UserModeAdd( chan, target, *flags );
1818 /* Muessen Modes an andere Server gemeldet werden? */
1819 strcpy( &modes[1], Channel_UserModes( chan, target ));
1820 if( modes[1] ) modes[0] = 0x7;
1821 else modes[0] = '\0';
1823 /* An andere Server weiterleiten */
1824 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1826 /* im Channel bekannt machen */
1827 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1830 /* Modes im Channel bekannt machen */
1831 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1834 if( Client_Type( Client ) == CLIENT_USER )
1836 /* an Client bestaetigen */
1837 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1838 /* Topic an Client schicken */
1839 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1840 /* Mitglieder an Client Melden */
1841 Send_NAMES( Client, chan );
1844 /* naechsten Namen ermitteln */
1845 channame = strtok( NULL, "," );
1851 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1856 assert( Client != NULL );
1857 assert( Req != NULL );
1859 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1861 /* Falsche Anzahl Parameter? */
1862 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1864 /* Wer ist der Absender? */
1865 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1866 else target = Client;
1867 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1869 /* Channel-Namen durchgehen */
1870 chan = strtok( Req->argv[0], "," );
1873 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1875 /* naechsten Namen ermitteln */
1876 chan = strtok( NULL, "," );
1880 /* naechsten Namen ermitteln */
1881 chan = strtok( NULL, "," );
1887 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1889 assert( Client != NULL );
1891 /* Passwort ueberpruefen */
1892 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1894 /* Falsches Passwort */
1895 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1896 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1897 return DISCONNECTED;
1900 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1902 /* Andere Server informieren */
1903 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 ));
1905 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1906 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1907 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1908 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1910 Client_SetType( Client, CLIENT_USER );
1912 return Show_MOTD( Client );
1916 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1922 assert( Client != NULL );
1924 fd = fopen( Conf_MotdFile, "r" );
1927 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1928 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1931 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1934 if( ! fgets( line, 126, fd )) break;
1935 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1936 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1942 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1950 LOCAL VOID Kill_Nick( CHAR *Nick )
1952 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1954 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1958 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1960 CHAR str[LINE_LEN + 1];
1964 assert( Client != NULL );
1965 assert( Chan != NULL );
1967 /* Alle Mitglieder suchen */
1968 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1969 cl2chan = Channel_FirstMember( Chan );
1972 cl = Channel_GetClient( cl2chan );
1974 /* Nick anhaengen */
1975 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1976 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
1977 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
1978 strcat( str, Client_ID( cl ));
1980 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1982 /* Zeile wird zu lang: senden! */
1983 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1984 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1987 /* naechstes Mitglied suchen */
1988 cl2chan = Channel_NextMember( Chan, cl2chan );
1990 if( str[strlen( str ) - 1] != ':')
1992 /* Es sind noch Daten da, die gesendet werden muessen */
1993 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1997 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));