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 1.53 2002/02/11 16:06:21 alex Exp $
17 * Revision 1.53 2002/02/11 16:06:21 alex
18 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
20 * Revision 1.52 2002/02/11 15:52:21 alex
21 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
22 * - Channel-Modes wurden falsch geliefert (als User-Modes).
24 * Revision 1.51 2002/02/11 15:15:53 alex
25 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
26 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
28 * Revision 1.50 2002/02/11 01:03:20 alex
29 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
30 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
31 * angelegt wird, werden Channel-Operator, etc. pp. ...
32 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
34 * Revision 1.49 2002/02/06 16:51:22 alex
35 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
37 * Revision 1.48 2002/01/29 00:13:45 alex
38 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
39 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
40 * LINKS wieder korrekt.
42 * Revision 1.47 2002/01/28 13:05:48 alex
43 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
44 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
46 * Revision 1.46 2002/01/28 01:45:43 alex
47 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
49 * Revision 1.45 2002/01/28 01:18:14 alex
50 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
52 * Revision 1.44 2002/01/28 00:55:08 alex
53 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
55 * Revision 1.43 2002/01/27 21:56:39 alex
56 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
57 * - einige kleinere Fixes bezueglich Channels ...
59 * Revision 1.42 2002/01/27 18:28:01 alex
60 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
62 * Revision 1.41 2002/01/27 17:15:49 alex
63 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
64 * IRC_WriteStrChannelPrefix(),
65 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
67 * Revision 1.40 2002/01/26 18:43:11 alex
68 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
69 * die IRC_Write_xxx_Related() sind dafuer entfallen.
70 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
72 * Revision 1.39 2002/01/21 00:05:11 alex
73 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
74 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
75 * - diverse Aenderungen im Zusammenhang mit Channels.
77 * Revision 1.38 2002/01/18 15:31:32 alex
78 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
80 * Revision 1.37 2002/01/16 22:10:18 alex
81 * - IRC_LUSERS() implementiert.
83 * Revision 1.36 2002/01/11 23:50:55 alex
84 * - LINKS implementiert, LUSERS begonnen.
86 * Revision 1.35 2002/01/09 21:30:45 alex
87 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
89 * Revision 1.34 2002/01/09 01:09:58 alex
90 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
91 * - andere Server werden nun ueber bisherige Server und User informiert.
93 * Revision 1.33 2002/01/07 23:42:12 alex
94 * - Es werden fuer alle Server eigene Token generiert,
95 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
96 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
98 * Revision 1.32 2002/01/07 16:02:36 alex
99 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
100 * - Im Debug-Mode werden nun auch PING's protokolliert.
102 * Revision 1.31 2002/01/07 15:39:46 alex
103 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
104 * - MODE und NICK melden nun die Aenderungen an andere Server.
106 * Revision 1.30 2002/01/06 15:21:29 alex
107 * - Loglevel und Meldungen nochmals ueberarbeitet.
108 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
109 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
111 * Revision 1.29 2002/01/05 23:24:54 alex
112 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
113 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
115 * Revision 1.28 2002/01/05 20:08:02 alex
116 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
117 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
119 * Revision 1.27 2002/01/05 19:15:03 alex
120 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
122 * Revision 1.26 2002/01/05 16:51:18 alex
123 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
125 * Revision 1.25 2002/01/05 00:48:33 alex
126 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
128 * Revision 1.24 2002/01/04 17:58:44 alex
129 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
130 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
132 * Revision 1.23 2002/01/04 01:36:40 alex
133 * - Loglevel ein wenig angepasst.
135 * Revision 1.22 2002/01/04 01:21:47 alex
136 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
137 * - Weitere Anpassungen und Erweiterungen der Server-Links.
139 * Revision 1.21 2002/01/03 02:26:51 alex
140 * - neue Befehle SERVER und NJOIN begonnen,
141 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
143 * Revision 1.20 2002/01/02 12:46:41 alex
144 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
146 * Revision 1.19 2002/01/02 02:51:39 alex
147 * - Copyright-Texte angepasst.
148 * - neuer Befehl "ERROR".
150 * Revision 1.17 2001/12/31 15:33:13 alex
151 * - neuer Befehl NAMES, kleinere Bugfixes.
152 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
154 * Revision 1.16 2001/12/31 02:18:51 alex
155 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
156 * - neuen Header "defines.h" mit (fast) allen Konstanten.
157 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
159 * Revision 1.15 2001/12/30 19:26:11 alex
160 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
162 * Revision 1.14 2001/12/30 11:42:00 alex
163 * - der Server meldet nun eine ordentliche "Start-Zeit".
165 * Revision 1.13 2001/12/29 03:10:06 alex
166 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
167 * - neue configure-Optione "--enable-strict-rfc".
169 * Revision 1.12 2001/12/27 19:17:26 alex
170 * - neue Befehle PRIVMSG, NOTICE, PING.
172 * Revision 1.11 2001/12/27 16:55:41 alex
173 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
175 * Revision 1.10 2001/12/26 22:48:53 alex
176 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
178 * Revision 1.9 2001/12/26 14:45:37 alex
181 * Revision 1.8 2001/12/26 03:21:46 alex
182 * - PING/PONG-Befehle implementiert,
183 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
185 * Revision 1.7 2001/12/25 23:25:18 alex
186 * - und nochmal Aenderungen am Logging ;-)
188 * Revision 1.6 2001/12/25 23:13:33 alex
189 * - Debug-Meldungen angepasst.
191 * Revision 1.5 2001/12/25 22:02:42 alex
192 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
194 * Revision 1.4 2001/12/25 19:19:30 alex
195 * - bessere Fehler-Abfragen, diverse Bugfixes.
196 * - Nicks werden nur einmal vergeben :-)
197 * - /MOTD wird unterstuetzt.
199 * Revision 1.3 2001/12/24 01:34:06 alex
200 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
201 * - MOTD-Ausgabe begonnen zu implementieren.
203 * Revision 1.2 2001/12/23 21:57:16 alex
204 * - erste IRC-Befehle zu implementieren begonnen.
206 * Revision 1.1 2001/12/14 08:13:43 alex
207 * - neues Modul begonnen :-)
228 #include "messages.h"
236 #define CONNECTED TRUE
237 #define DISCONNECTED FALSE
240 LOCAL BOOLEAN Hello_User( CLIENT *Client );
241 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
243 LOCAL VOID Kill_Nick( CHAR *Nick );
245 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
248 GLOBAL VOID IRC_Init( VOID )
253 GLOBAL VOID IRC_Exit( VOID )
258 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
261 BOOLEAN ok = CONNECTED;
264 assert( Client != NULL );
265 assert( Format != NULL );
267 va_start( ap, Format );
268 vsnprintf( buffer, 1000, Format, ap );
271 /* an den Client selber */
272 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
275 } /* IRC_WriteStrClient */
278 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
280 /* Text an Clients, lokal bzw. remote, senden. */
285 assert( Client != NULL );
286 assert( Format != NULL );
287 assert( Prefix != NULL );
289 va_start( ap, Format );
290 vsnprintf( buffer, 1000, Format, ap );
293 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
294 } /* IRC_WriteStrClientPrefix */
297 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
302 assert( Client != NULL );
303 assert( Format != NULL );
305 va_start( ap, Format );
306 vsnprintf( buffer, 1000, Format, ap );
309 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
310 } /* IRC_WriteStrChannel */
313 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
316 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
322 assert( Client != NULL );
323 assert( Chan != NULL );
324 assert( Prefix != NULL );
325 assert( Format != NULL );
327 va_start( ap, Format );
328 vsnprintf( buffer, 1000, Format, ap );
331 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
333 /* An alle Clients, die in den selben Channels sind.
334 * Dabei aber nur einmal je Remote-Server */
335 cl2chan = Channel_FirstMember( Chan );
338 c = Channel_GetClient( cl2chan );
341 if( Client_Conn( c ) <= NONE ) c = NULL;
342 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
344 if( c ) c = Client_NextHop( c );
346 if( c && ( c != Client ))
348 /* Ok, anderer Client */
349 s = Client_Conn( c );
351 assert( s < MAX_CONNECTIONS );
354 cl2chan = Channel_NextMember( Chan, cl2chan );
358 for( i = 0; i < MAX_CONNECTIONS; i++ )
362 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
367 } /* IRC_WriteStrChannelPrefix */
370 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
375 assert( Format != NULL );
377 va_start( ap, Format );
378 vsnprintf( buffer, 1000, Format, ap );
381 /* an den Client selber */
382 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
383 } /* IRC_WriteStrServers */
386 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
392 assert( Format != NULL );
393 assert( Prefix != NULL );
395 va_start( ap, Format );
396 vsnprintf( buffer, 1000, Format, ap );
402 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
404 /* Ziel-Server gefunden */
405 IRC_WriteStrClientPrefix( c, Prefix, buffer );
407 c = Client_Next( c );
409 } /* IRC_WriteStrServersPrefix */
412 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
414 assert( Client != NULL );
415 assert( Req != NULL );
417 /* Fehler liefern, wenn kein lokaler Client */
418 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
420 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
422 /* noch nicht registrierte unbekannte Verbindung */
423 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
425 /* Passwort speichern */
426 Client_SetPassword( Client, Req->argv[0] );
428 Client_SetType( Client, CLIENT_GOTPASS );
431 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
433 /* noch nicht registrierte Server-Verbindung */
434 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
436 /* Passwort speichern */
437 Client_SetPassword( Client, Req->argv[0] );
439 Client_SetType( Client, CLIENT_GOTPASSSERVER );
442 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
444 /* Falsche Anzahl Parameter? */
445 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
447 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
451 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
453 CHAR str[LINE_LEN], *ptr;
454 CLIENT *from, *c, *cl;
460 assert( Client != NULL );
461 assert( Req != NULL );
463 /* Fehler liefern, wenn kein lokaler Client */
464 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
466 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
468 /* Verbindung soll als Server-Server-Verbindung registriert werden */
469 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
471 /* Falsche Anzahl Parameter? */
472 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
474 /* Ist dieser Server bei uns konfiguriert? */
475 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
476 if( i >= Conf_Server_Count )
478 /* Server ist nicht konfiguriert! */
479 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
480 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
483 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
485 /* Falsches Passwort */
486 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
487 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
491 /* Ist ein Server mit dieser ID bereits registriert? */
492 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
494 /* Server-Strukturen fuellen ;-) */
495 Client_SetID( Client, Req->argv[0] );
496 Client_SetHops( Client, 1 );
497 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
499 /* Meldet sich der Server bei uns an? */
502 /* Unseren SERVER- und PASS-Befehl senden */
504 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
505 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
508 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
511 Client_SetIntroducer( Client, Client );
512 Client_SetToken( Client, 1 );
514 else Client_SetToken( Client, atoi( Req->argv[1] ));
516 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
518 Client_SetType( Client, CLIENT_SERVER );
520 /* maximalen Hop Count ermitteln */
525 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
526 c = Client_Next( c );
529 /* Alle bisherigen Server dem neuen Server bekannt machen,
530 * die bisherigen Server ueber den neuen informierenn */
531 for( i = 0; i < ( max_hops + 1 ); i++ )
536 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
538 if( Client_Conn( c ) > NONE )
540 /* Dem gefundenen Server gleich den neuen
541 * Server bekannt machen */
542 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
545 /* Den neuen Server ueber den alten informieren */
546 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;
548 c = Client_Next( c );
552 /* alle User dem neuen Server bekannt machen */
556 if( Client_Type( c ) == CLIENT_USER )
558 /* User an neuen Server melden */
559 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;
561 c = Client_Next( c );
564 /* Channels dem neuen Server bekannt machen */
565 chan = Channel_First( );
568 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
570 /* alle Member suchen */
571 cl2chan = Channel_FirstMember( chan );
574 cl = Channel_GetClient( cl2chan );
575 assert( cl != NULL );
577 /* Nick, ggf. mit Modes, anhaengen */
578 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
579 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
580 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
581 strcat( str, Client_ID( cl ));
583 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
586 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
587 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
590 cl2chan = Channel_NextMember( chan, cl2chan );
594 if( str[strlen( str ) - 1] != ':')
596 /* Ja; Also senden ... */
597 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
600 /* naechsten Channel suchen */
601 chan = Channel_Next( chan );
606 else if( Client_Type( Client ) == CLIENT_SERVER )
608 /* Neuer Server wird im Netz angekuendigt */
610 /* Falsche Anzahl Parameter? */
611 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
613 /* Ist ein Server mit dieser ID bereits registriert? */
614 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
616 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
617 ptr = strchr( Req->argv[3] + 2, '[' );
618 if( ! ptr ) ptr = Req->argv[3];
620 from = Client_GetFromID( Req->prefix );
623 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
624 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
625 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
629 /* Neue Client-Struktur anlegen */
630 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
633 /* Neue Client-Struktur konnte nicht angelegt werden */
634 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
635 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
639 /* Log-Meldung zusammenbauen und ausgeben */
640 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
641 else strcpy( str, "" );
642 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": "" );
644 /* Andere Server informieren */
645 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
649 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
653 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
655 BOOLEAN is_op, is_voiced;
656 CHAR *channame, *ptr;
660 assert( Client != NULL );
661 assert( Req != NULL );
663 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
665 /* Falsche Anzahl Parameter? */
666 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
668 channame = Req->argv[0];
669 ptr = strtok( Req->argv[1], "," );
672 is_op = is_voiced = FALSE;
674 /* Prefixe abschneiden */
675 while(( *ptr == '@' ) || ( *ptr == '+' ))
677 if( *ptr == '@' ) is_op = TRUE;
678 if( *ptr == '+' ) is_voiced = TRUE;
682 c = Client_GetFromID( ptr );
685 Channel_Join( c, channame );
686 chan = Channel_Search( channame );
687 assert( chan != NULL );
689 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
690 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
692 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
694 /* naechsten Nick suchen */
695 ptr = strtok( NULL, "," );
698 /* an andere Server weiterleiten */
699 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
705 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
707 CLIENT *intr_c, *target, *c;
710 assert( Client != NULL );
711 assert( Req != NULL );
713 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
715 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 ))
717 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 ))
720 /* User-Registrierung bzw. Nick-Aenderung */
722 /* Falsche Anzahl Parameter? */
723 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
725 /* "Ziel-Client" ermitteln */
726 if( Client_Type( Client ) == CLIENT_SERVER )
728 target = Client_GetFromID( Req->prefix );
729 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
733 /* Ist der Client "restricted"? */
734 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
738 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
739 * wir nichts. So macht es das Original und mind. Snak hat probleme,
740 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
742 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
745 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
746 * will nur die Gross- und Kleinschreibung aendern. Das darf
747 * er natuerlich machen :-) */
748 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
750 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
753 if( Client_Type( Client ) == CLIENT_USER )
755 /* Nick-Aenderung: allen mitteilen! */
756 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
757 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
758 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
760 else if( Client_Type( Client ) == CLIENT_SERVER )
762 /* Nick-Aenderung: allen mitteilen! */
763 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
764 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
767 /* Client-Nick registrieren */
768 Client_SetID( target, Req->argv[0] );
770 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
773 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
774 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
775 else Client_SetType( Client, CLIENT_GOTNICK );
779 else if( Client_Type( Client ) == CLIENT_SERVER )
781 /* Server fuehrt neuen Client ein */
783 /* Falsche Anzahl Parameter? */
784 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
786 /* Nick ueberpruefen */
787 c = Client_GetFromID( Req->argv[0] );
790 /* Der neue Nick ist auf diesem Server bereits registriert:
791 * sowohl der neue, als auch der alte Client muessen nun
792 * disconnectiert werden. */
793 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
794 Kill_Nick( Req->argv[0] );
798 /* Server, zu dem der Client connectiert ist, suchen */
799 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
802 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
803 Kill_Nick( Req->argv[0] );
807 /* Neue Client-Struktur anlegen */
808 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 );
811 /* Eine neue Client-Struktur konnte nicht angelegt werden.
812 * Der Client muss disconnectiert werden, damit der Netz-
813 * status konsistent bleibt. */
814 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
815 Kill_Nick( Req->argv[0] );
819 modes = Client_Modes( c );
820 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": "" );
821 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": "" );
823 /* Andere Server, ausser dem Introducer, informieren */
824 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] );
828 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
832 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
834 assert( Client != NULL );
835 assert( Req != NULL );
838 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
840 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
843 /* Falsche Anzahl Parameter? */
844 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
846 Client_SetUser( Client, Req->argv[0], FALSE );
847 Client_SetInfo( Client, Req->argv[3] );
849 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
850 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
851 else Client_SetType( Client, CLIENT_GOTUSER );
854 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
856 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
858 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
862 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
866 assert( Client != NULL );
867 assert( Req != NULL );
869 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
873 /* Falsche Anzahl Parameter? */
874 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
876 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
877 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
881 else if ( Client_Type( Client ) == CLIENT_SERVER )
885 /* Falsche Anzahl Parameter? */
886 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
888 target = Client_Search( Req->prefix );
891 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
895 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
896 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
900 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
904 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
908 assert( Client != NULL );
909 assert( Req != NULL );
911 /* SQUIT ist nur fuer Server erlaubt */
912 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
914 /* Falsche Anzahl Parameter? */
915 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
917 target = Client_GetFromID( Req->argv[0] );
920 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
924 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
925 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
927 /* SQUIT an alle Server weiterleiten */
928 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
930 if( Client_Conn( target ) > NONE )
932 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
933 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
938 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
944 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
946 CLIENT *target, *from;
948 assert( Client != NULL );
949 assert( Req != NULL );
951 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
953 /* Falsche Anzahl Parameter? */
954 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
955 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
959 /* es wurde ein Ziel-Client angegeben */
960 target = Client_GetFromID( Req->argv[1] );
961 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
962 if( target != Client_ThisServer( ))
965 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
967 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
968 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
972 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
973 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
977 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
979 CLIENT *target, *from;
981 assert( Client != NULL );
982 assert( Req != NULL );
984 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
986 /* Falsche Anzahl Parameter? */
987 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
988 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
993 target = Client_GetFromID( Req->argv[1] );
994 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
995 if( target != Client_ThisServer( ))
998 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1000 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1001 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1005 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1006 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1008 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 )));
1009 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1015 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1017 assert( Client != NULL );
1018 assert( Req != NULL );
1020 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1022 /* Falsche Anzahl Parameter? */
1023 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1025 return Show_MOTD( Client );
1029 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1034 assert( Client != NULL );
1035 assert( Req != NULL );
1037 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1039 /* Falsche Anzahl Parameter? */
1040 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1041 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1042 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1044 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1046 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1048 to = Client_Search( Req->argv[0] );
1051 /* Okay, Ziel ist ein User */
1052 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1053 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1056 chan = Channel_Search( Req->argv[0] );
1059 /* Okay, Ziel ist ein Channel */
1060 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1061 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1064 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1068 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1072 assert( Client != NULL );
1073 assert( Req != NULL );
1075 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1077 /* Falsche Anzahl Parameter? */
1078 if( Req->argc != 2 ) return CONNECTED;
1080 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1082 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1084 to = Client_Search( Req->argv[0] );
1087 /* Okay, Ziel ist ein User */
1088 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1090 else return CONNECTED;
1094 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1096 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1097 CLIENT *cl, *chan_cl, *prefix;
1101 assert( Client != NULL );
1102 assert( Req != NULL );
1104 cl = chan_cl = prefix = NULL;
1107 /* Valider Client? */
1108 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1110 /* Keine Parameter? */
1111 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1113 /* Ziel suchen: Client bzw. Channel */
1114 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1115 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1117 /* Kein Ziel gefunden? */
1118 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1120 assert(( cl && chan ) != TRUE );
1122 /* Falsche Anzahl Parameter? */
1123 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1124 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1126 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1127 if(( chan ) && (Req->argc == 3 ))
1129 chan_cl = Client_Search( Req->argv[2] );
1130 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1133 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1134 if( Client_Type( Client ) == CLIENT_USER )
1138 /* MODE ist nur fuer sich selber zulaessig! */
1139 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1143 /* Darf der User die Channel-Modes ermitteln? */
1147 /* Werden die Modes "nur" erfragt? */
1148 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1149 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1151 mode_ptr = Req->argv[1];
1153 /* Sollen Modes gesetzt oder geloescht werden? */
1156 if( *mode_ptr == '+' ) set = TRUE;
1157 else if( *mode_ptr == '-' ) set = FALSE;
1158 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1163 if( *mode_ptr == '-' ) set = FALSE;
1165 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1168 /* Prefix fuer Antworten etc. ermitteln */
1169 if( Client_Type( Client ) == CLIENT_SERVER )
1171 prefix = Client_GetFromID( Req->prefix );
1172 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1174 else prefix = Client;
1176 /* Reply-String mit Aenderungen vorbereiten */
1177 if( set ) strcpy( the_modes, "+" );
1178 else strcpy( the_modes, "-" );
1185 if( Client_Type( Client ) == CLIENT_SERVER )
1187 /* Befehl kommt von einem Server, daher
1188 * trauen wir ihm "unbesehen" ... */
1193 /* Modes validieren */
1204 /* restricted (kann nur gesetzt werden) */
1205 if( set ) x[0] = 'r';
1206 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1209 /* operator (kann nur geloescht werden) */
1212 Client_SetOperByMe( Client, FALSE );
1215 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1218 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1224 /* Channel-Modes oder Channel-User-Modes */
1227 /* Channel-User-Modes */
1228 Log( LOG_DEBUG, "Channel-User-Mode '%c' not supported ...", *mode_ptr );
1233 Log( LOG_DEBUG, "Channel-Mode '%c' not supported ...", *mode_ptr );
1240 if( ! x[0] ) continue;
1242 /* Okay, gueltigen Mode gefunden */
1245 /* Es geht um User-Modes */
1248 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1249 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1253 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1254 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1259 /* Es geht um Channel-Modes oder Channel-User-Modes */
1262 /* Channel-User-Modes */
1265 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1266 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1270 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1271 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1279 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1280 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1284 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1285 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1291 /* Wurden Modes geaendert? */
1297 if( Client_Type( Client ) == CLIENT_SERVER )
1299 /* Modes an andere Server forwarden */
1300 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1304 /* Bestaetigung an Client schicken & andere Server informieren */
1305 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1306 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1308 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1312 /* Channel-Modes oder Channel-User-Mode */
1315 /* Channel-User-Mode */
1316 if( Client_Type( Client ) == CLIENT_SERVER )
1318 /* Modes an andere Server und Channel-User forwarden */
1319 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1320 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1324 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1325 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1326 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1327 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1329 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1334 if( Client_Type( Client ) == CLIENT_SERVER )
1336 /* Modes an andere Server und Channel-User forwarden */
1337 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1338 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1342 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1343 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1344 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1345 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1347 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1356 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1360 assert( Client != NULL );
1361 assert( Req != NULL );
1363 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1365 /* Falsche Anzahl Parameter? */
1366 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1368 /* Operator suchen */
1369 for( i = 0; i < Conf_Oper_Count; i++)
1371 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1373 if( i >= Conf_Oper_Count )
1375 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1376 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1379 /* Stimmt das Passwort? */
1380 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1382 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1383 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1386 if( ! Client_HasMode( Client, 'o' ))
1388 /* noch kein o-Mode gesetzt */
1389 Client_ModeAdd( Client, 'o' );
1390 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1391 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1394 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1396 Client_SetOperByMe( Client, TRUE );
1397 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1401 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1403 assert( Client != NULL );
1404 assert( Req != NULL );
1406 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1408 /* Falsche Anzahl Parameter? */
1409 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1411 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1413 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1419 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
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 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1431 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1432 NGIRCd_Restart = TRUE;
1437 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1439 CHAR rpl[COMMAND_LEN];
1442 assert( Client != NULL );
1443 assert( Req != NULL );
1445 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1447 /* Falsche Anzahl Parameter? */
1448 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1450 /* Noch alle User ausgeben, die in keinem Channel sind */
1452 c = Client_First( );
1455 if( Client_Type( c ) == CLIENT_USER )
1457 /* Okay, das ist ein User */
1458 strcat( rpl, Client_ID( c ));
1462 /* Antwort zu lang? Splitten. */
1463 if( strlen( rpl ) > 480 )
1465 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1466 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1470 c = Client_Next( c );
1474 /* es wurden User gefunden */
1475 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1476 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1478 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1482 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1484 CHAR rpl[COMMAND_LEN];
1489 assert( Client != NULL );
1490 assert( Req != NULL );
1492 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1494 /* Falsche Anzahl Parameter? */
1495 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1497 strcpy( rpl, RPL_ISON_MSG );
1498 for( i = 0; i < Req->argc; i++ )
1500 ptr = strtok( Req->argv[i], " " );
1504 c = Client_GetFromID( ptr );
1505 if( c && ( Client_Type( c ) == CLIENT_USER ))
1507 /* Dieser Nick ist "online" */
1511 ptr = strtok( NULL, " " );
1514 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1516 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1520 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1522 CLIENT *from, *target, *c;
1523 CHAR str[LINE_LEN + 1], *ptr = NULL;
1527 assert( Client != NULL );
1528 assert( Req != NULL );
1530 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1532 /* Falsche Anzahl Parameter? */
1533 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1536 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1537 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1539 /* Empfaenger des WHOIS suchen */
1540 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1542 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1544 /* Forwarden an anderen Server? */
1547 /* angegebenen Ziel-Server suchen */
1548 target = Client_GetFromID( Req->argv[1] );
1549 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1553 else if( Client_Conn( c ) == NONE )
1555 /* Client ist nicht von uns. Ziel-Server suchen */
1562 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 );
1564 /* Nick, User und Name */
1565 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1568 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;
1571 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1572 cl2chan = Channel_FirstChannelOf( c );
1575 chan = Channel_GetChannel( cl2chan );
1576 assert( chan != NULL );
1578 /* Channel-Name anhaengen */
1579 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1580 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1581 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1582 strcat( str, Channel_Name( chan ));
1584 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1586 /* Zeile wird zu lang: senden! */
1587 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1588 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1591 /* naechstes Mitglied suchen */
1592 cl2chan = Channel_NextChannelOf( c, cl2chan );
1594 if( str[strlen( str ) - 1] != ':')
1596 /* Es sind noch Daten da, die gesendet werden muessen */
1597 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1601 if( Client_HasMode( c, 'o' ))
1603 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1606 /* Idle (nur lokale Clients) */
1607 if( Client_Conn( c ) > NONE )
1609 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1613 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1617 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1619 CHAR rpl[COMMAND_LEN];
1623 assert( Client != NULL );
1624 assert( Req != NULL );
1626 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1628 /* Falsche Anzahl Parameter? */
1629 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1631 if( Req->argc > 5 ) max = 5;
1632 else max = Req->argc;
1634 strcpy( rpl, RPL_USERHOST_MSG );
1635 for( i = 0; i < max; i++ )
1637 c = Client_GetFromID( Req->argv[i] );
1638 if( c && ( Client_Type( c ) == CLIENT_USER ))
1640 /* Dieser Nick ist "online" */
1641 strcat( rpl, Client_ID( c ));
1642 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1644 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1645 else strcat( rpl, "+" );
1646 strcat( rpl, Client_User( c ));
1648 strcat( rpl, Client_Hostname( c ));
1652 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1654 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1655 } /* IRC_USERHOST */
1658 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1660 assert( Client != NULL );
1661 assert( Req != NULL );
1663 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1664 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1670 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1672 CLIENT *target, *from;
1675 assert( Client != NULL );
1676 assert( Req != NULL );
1678 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1680 /* Falsche Anzahl Parameter? */
1681 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1683 /* Absender ermitteln */
1684 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1686 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1688 /* An anderen Server forwarden? */
1689 if( Req->argc == 2 )
1691 target = Client_GetFromID( Req->argv[1] );
1692 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1693 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1696 /* Wer ist der Absender? */
1697 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1698 else target = Client;
1699 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1701 /* Users, Services und Serevr im Netz */
1702 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1704 /* IRC-Operatoren im Netz */
1705 cnt = Client_OperCount( );
1708 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1711 /* Unbekannt Verbindungen */
1712 cnt = Client_UnknownCount( );
1715 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1718 /* Channels im Netz */
1719 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1721 /* Channels im Netz */
1722 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1728 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1730 CLIENT *target, *from, *c;
1733 assert( Client != NULL );
1734 assert( Req != NULL );
1736 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1738 /* Falsche Anzahl Parameter? */
1739 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1741 /* Server-Mask ermitteln */
1742 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1745 /* Absender ermitteln */
1746 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1748 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1750 /* An anderen Server forwarden? */
1751 if( Req->argc == 2 )
1753 target = Client_GetFromID( Req->argv[0] );
1754 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1755 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1758 /* Wer ist der Absender? */
1759 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1760 else target = Client;
1761 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1763 c = Client_First( );
1766 if( Client_Type( c ) == CLIENT_SERVER )
1768 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;
1770 c = Client_Next( c );
1773 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1777 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1779 CHAR *channame, *flags, modes[8];
1780 BOOLEAN is_new_chan;
1784 assert( Client != NULL );
1785 assert( Req != NULL );
1787 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1789 /* Falsche Anzahl Parameter? */
1790 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1792 /* Wer ist der Absender? */
1793 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1794 else target = Client;
1795 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1797 /* Channel-Namen durchgehen */
1798 channame = strtok( Req->argv[0], "," );
1801 /* wird der Channel neu angelegt? */
1804 if( Channel_Search( channame )) is_new_chan = FALSE;
1805 else is_new_chan = TRUE;
1807 /* Hat ein Server Channel-User-Modes uebergeben? */
1808 if( Client_Type( Client ) == CLIENT_SERVER )
1810 /* Channel-Flags extrahieren */
1811 flags = strchr( channame, 0x7 );
1812 if( flags ) *flags++ = '\0';
1815 /* neuer Channel udn lokaler Client? */
1816 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1818 /* Dann soll der Client Channel-Operator werden! */
1822 /* Channel joinen (und ggf. anlegen) */
1823 if( ! Channel_Join( target, channame ))
1825 /* naechsten Namen ermitteln */
1826 channame = strtok( NULL, "," );
1829 chan = Channel_Search( channame );
1830 assert( chan != NULL );
1832 /* Modes setzen (wenn vorhanden) */
1833 while( flags && *flags )
1835 Channel_UserModeAdd( chan, target, *flags );
1839 /* Muessen Modes an andere Server gemeldet werden? */
1840 strcpy( &modes[1], Channel_UserModes( chan, target ));
1841 if( modes[1] ) modes[0] = 0x7;
1842 else modes[0] = '\0';
1844 /* An andere Server weiterleiten */
1845 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1847 /* im Channel bekannt machen */
1848 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1851 /* Modes im Channel bekannt machen */
1852 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1855 if( Client_Type( Client ) == CLIENT_USER )
1857 /* an Client bestaetigen */
1858 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1859 /* Topic an Client schicken */
1860 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1861 /* Mitglieder an Client Melden */
1862 Send_NAMES( Client, chan );
1865 /* naechsten Namen ermitteln */
1866 channame = strtok( NULL, "," );
1872 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1877 assert( Client != NULL );
1878 assert( Req != NULL );
1880 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1882 /* Falsche Anzahl Parameter? */
1883 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1885 /* Wer ist der Absender? */
1886 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1887 else target = Client;
1888 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1890 /* Channel-Namen durchgehen */
1891 chan = strtok( Req->argv[0], "," );
1894 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1896 /* naechsten Namen ermitteln */
1897 chan = strtok( NULL, "," );
1901 /* naechsten Namen ermitteln */
1902 chan = strtok( NULL, "," );
1908 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1910 assert( Client != NULL );
1912 /* Passwort ueberpruefen */
1913 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1915 /* Falsches Passwort */
1916 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1917 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1918 return DISCONNECTED;
1921 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1923 /* Andere Server informieren */
1924 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 ));
1926 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1927 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1928 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1929 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1931 Client_SetType( Client, CLIENT_USER );
1933 return Show_MOTD( Client );
1937 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1943 assert( Client != NULL );
1945 fd = fopen( Conf_MotdFile, "r" );
1948 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1949 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1952 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1955 if( ! fgets( line, 126, fd )) break;
1956 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1957 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1963 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1971 LOCAL VOID Kill_Nick( CHAR *Nick )
1973 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1975 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1979 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1981 CHAR str[LINE_LEN + 1];
1985 assert( Client != NULL );
1986 assert( Chan != NULL );
1988 /* Alle Mitglieder suchen */
1989 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1990 cl2chan = Channel_FirstMember( Chan );
1993 cl = Channel_GetClient( cl2chan );
1995 /* Nick anhaengen */
1996 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1997 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
1998 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
1999 strcat( str, Client_ID( cl ));
2001 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2003 /* Zeile wird zu lang: senden! */
2004 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2005 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2008 /* naechstes Mitglied suchen */
2009 cl2chan = Channel_NextMember( Chan, cl2chan );
2011 if( str[strlen( str ) - 1] != ':')
2013 /* Es sind noch Daten da, die gesendet werden muessen */
2014 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2018 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));