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 1.56 2002/02/13 17:52:27 alex Exp $
17 * Revision 1.56 2002/02/13 17:52:27 alex
18 * - es werden nun Channel- und User-Modes von Usern angenommen.
20 * Revision 1.55 2002/02/12 14:40:37 alex
21 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
23 * Revision 1.54 2002/02/11 23:33:35 alex
24 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
26 * Revision 1.53 2002/02/11 16:06:21 alex
27 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
29 * Revision 1.52 2002/02/11 15:52:21 alex
30 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
31 * - Channel-Modes wurden falsch geliefert (als User-Modes).
33 * Revision 1.51 2002/02/11 15:15:53 alex
34 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
35 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
37 * Revision 1.50 2002/02/11 01:03:20 alex
38 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
39 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
40 * angelegt wird, werden Channel-Operator, etc. pp. ...
41 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
43 * Revision 1.49 2002/02/06 16:51:22 alex
44 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
46 * Revision 1.48 2002/01/29 00:13:45 alex
47 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
48 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
49 * LINKS wieder korrekt.
51 * Revision 1.47 2002/01/28 13:05:48 alex
52 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
53 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
55 * Revision 1.46 2002/01/28 01:45:43 alex
56 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
58 * Revision 1.45 2002/01/28 01:18:14 alex
59 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
61 * Revision 1.44 2002/01/28 00:55:08 alex
62 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
64 * Revision 1.43 2002/01/27 21:56:39 alex
65 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
66 * - einige kleinere Fixes bezueglich Channels ...
68 * Revision 1.42 2002/01/27 18:28:01 alex
69 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
71 * Revision 1.41 2002/01/27 17:15:49 alex
72 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
73 * IRC_WriteStrChannelPrefix(),
74 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
76 * Revision 1.40 2002/01/26 18:43:11 alex
77 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
78 * die IRC_Write_xxx_Related() sind dafuer entfallen.
79 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
81 * Revision 1.39 2002/01/21 00:05:11 alex
82 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
83 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
84 * - diverse Aenderungen im Zusammenhang mit Channels.
86 * Revision 1.38 2002/01/18 15:31:32 alex
87 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
89 * Revision 1.37 2002/01/16 22:10:18 alex
90 * - IRC_LUSERS() implementiert.
92 * Revision 1.36 2002/01/11 23:50:55 alex
93 * - LINKS implementiert, LUSERS begonnen.
95 * Revision 1.35 2002/01/09 21:30:45 alex
96 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
98 * Revision 1.34 2002/01/09 01:09:58 alex
99 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
100 * - andere Server werden nun ueber bisherige Server und User informiert.
102 * Revision 1.33 2002/01/07 23:42:12 alex
103 * - Es werden fuer alle Server eigene Token generiert,
104 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
105 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
107 * Revision 1.32 2002/01/07 16:02:36 alex
108 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
109 * - Im Debug-Mode werden nun auch PING's protokolliert.
111 * Revision 1.31 2002/01/07 15:39:46 alex
112 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
113 * - MODE und NICK melden nun die Aenderungen an andere Server.
115 * Revision 1.30 2002/01/06 15:21:29 alex
116 * - Loglevel und Meldungen nochmals ueberarbeitet.
117 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
118 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
120 * Revision 1.29 2002/01/05 23:24:54 alex
121 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
122 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
124 * Revision 1.28 2002/01/05 20:08:02 alex
125 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
126 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
128 * Revision 1.27 2002/01/05 19:15:03 alex
129 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
131 * Revision 1.26 2002/01/05 16:51:18 alex
132 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
134 * Revision 1.25 2002/01/05 00:48:33 alex
135 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
137 * Revision 1.24 2002/01/04 17:58:44 alex
138 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
139 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
141 * Revision 1.23 2002/01/04 01:36:40 alex
142 * - Loglevel ein wenig angepasst.
144 * Revision 1.22 2002/01/04 01:21:47 alex
145 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
146 * - Weitere Anpassungen und Erweiterungen der Server-Links.
148 * Revision 1.21 2002/01/03 02:26:51 alex
149 * - neue Befehle SERVER und NJOIN begonnen,
150 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
152 * Revision 1.20 2002/01/02 12:46:41 alex
153 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
155 * Revision 1.19 2002/01/02 02:51:39 alex
156 * - Copyright-Texte angepasst.
157 * - neuer Befehl "ERROR".
159 * Revision 1.17 2001/12/31 15:33:13 alex
160 * - neuer Befehl NAMES, kleinere Bugfixes.
161 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
163 * Revision 1.16 2001/12/31 02:18:51 alex
164 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
165 * - neuen Header "defines.h" mit (fast) allen Konstanten.
166 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
168 * Revision 1.15 2001/12/30 19:26:11 alex
169 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
171 * Revision 1.14 2001/12/30 11:42:00 alex
172 * - der Server meldet nun eine ordentliche "Start-Zeit".
174 * Revision 1.13 2001/12/29 03:10:06 alex
175 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
176 * - neue configure-Optione "--enable-strict-rfc".
178 * Revision 1.12 2001/12/27 19:17:26 alex
179 * - neue Befehle PRIVMSG, NOTICE, PING.
181 * Revision 1.11 2001/12/27 16:55:41 alex
182 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
184 * Revision 1.10 2001/12/26 22:48:53 alex
185 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
187 * Revision 1.9 2001/12/26 14:45:37 alex
190 * Revision 1.8 2001/12/26 03:21:46 alex
191 * - PING/PONG-Befehle implementiert,
192 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
194 * Revision 1.7 2001/12/25 23:25:18 alex
195 * - und nochmal Aenderungen am Logging ;-)
197 * Revision 1.6 2001/12/25 23:13:33 alex
198 * - Debug-Meldungen angepasst.
200 * Revision 1.5 2001/12/25 22:02:42 alex
201 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
203 * Revision 1.4 2001/12/25 19:19:30 alex
204 * - bessere Fehler-Abfragen, diverse Bugfixes.
205 * - Nicks werden nur einmal vergeben :-)
206 * - /MOTD wird unterstuetzt.
208 * Revision 1.3 2001/12/24 01:34:06 alex
209 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
210 * - MOTD-Ausgabe begonnen zu implementieren.
212 * Revision 1.2 2001/12/23 21:57:16 alex
213 * - erste IRC-Befehle zu implementieren begonnen.
215 * Revision 1.1 2001/12/14 08:13:43 alex
216 * - neues Modul begonnen :-)
237 #include "messages.h"
245 #define CONNECTED TRUE
246 #define DISCONNECTED FALSE
249 LOCAL BOOLEAN Hello_User( CLIENT *Client );
250 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
252 LOCAL VOID Kill_Nick( CHAR *Nick );
254 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
257 GLOBAL VOID IRC_Init( VOID )
262 GLOBAL VOID IRC_Exit( VOID )
267 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
270 BOOLEAN ok = CONNECTED;
273 assert( Client != NULL );
274 assert( Format != NULL );
276 va_start( ap, Format );
277 vsnprintf( buffer, 1000, Format, ap );
280 /* an den Client selber */
281 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
284 } /* IRC_WriteStrClient */
287 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
289 /* Text an Clients, lokal bzw. remote, senden. */
294 assert( Client != NULL );
295 assert( Format != NULL );
296 assert( Prefix != NULL );
298 va_start( ap, Format );
299 vsnprintf( buffer, 1000, Format, ap );
302 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
303 } /* IRC_WriteStrClientPrefix */
306 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
311 assert( Client != NULL );
312 assert( Format != NULL );
314 va_start( ap, Format );
315 vsnprintf( buffer, 1000, Format, ap );
318 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
319 } /* IRC_WriteStrChannel */
322 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
325 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
331 assert( Client != NULL );
332 assert( Chan != NULL );
333 assert( Prefix != NULL );
334 assert( Format != NULL );
336 va_start( ap, Format );
337 vsnprintf( buffer, 1000, Format, ap );
340 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
342 /* An alle Clients, die in den selben Channels sind.
343 * Dabei aber nur einmal je Remote-Server */
344 cl2chan = Channel_FirstMember( Chan );
347 c = Channel_GetClient( cl2chan );
350 if( Client_Conn( c ) <= NONE ) c = NULL;
351 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
353 if( c ) c = Client_NextHop( c );
355 if( c && ( c != Client ))
357 /* Ok, anderer Client */
358 s = Client_Conn( c );
360 assert( s < MAX_CONNECTIONS );
363 cl2chan = Channel_NextMember( Chan, cl2chan );
367 for( i = 0; i < MAX_CONNECTIONS; i++ )
371 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
376 } /* IRC_WriteStrChannelPrefix */
379 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
384 assert( Format != NULL );
386 va_start( ap, Format );
387 vsnprintf( buffer, 1000, Format, ap );
390 /* an den Client selber */
391 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
392 } /* IRC_WriteStrServers */
395 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
401 assert( Format != NULL );
402 assert( Prefix != NULL );
404 va_start( ap, Format );
405 vsnprintf( buffer, 1000, Format, ap );
411 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
413 /* Ziel-Server gefunden */
414 IRC_WriteStrClientPrefix( c, Prefix, buffer );
416 c = Client_Next( c );
418 } /* IRC_WriteStrServersPrefix */
421 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
423 assert( Client != NULL );
424 assert( Req != NULL );
426 /* Fehler liefern, wenn kein lokaler Client */
427 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
429 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
431 /* noch nicht registrierte unbekannte Verbindung */
432 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
434 /* Passwort speichern */
435 Client_SetPassword( Client, Req->argv[0] );
437 Client_SetType( Client, CLIENT_GOTPASS );
440 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
442 /* noch nicht registrierte Server-Verbindung */
443 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
445 /* Passwort speichern */
446 Client_SetPassword( Client, Req->argv[0] );
448 Client_SetType( Client, CLIENT_GOTPASSSERVER );
451 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
453 /* Falsche Anzahl Parameter? */
454 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
456 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
460 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
462 CHAR str[LINE_LEN], *ptr;
463 CLIENT *from, *c, *cl;
469 assert( Client != NULL );
470 assert( Req != NULL );
472 /* Fehler liefern, wenn kein lokaler Client */
473 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
475 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
477 /* Verbindung soll als Server-Server-Verbindung registriert werden */
478 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
480 /* Falsche Anzahl Parameter? */
481 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
483 /* Ist dieser Server bei uns konfiguriert? */
484 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
485 if( i >= Conf_Server_Count )
487 /* Server ist nicht konfiguriert! */
488 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
489 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
492 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
494 /* Falsches Passwort */
495 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
496 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
500 /* Ist ein Server mit dieser ID bereits registriert? */
501 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
503 /* Server-Strukturen fuellen ;-) */
504 Client_SetID( Client, Req->argv[0] );
505 Client_SetHops( Client, 1 );
506 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
508 /* Meldet sich der Server bei uns an? */
511 /* Unseren SERVER- und PASS-Befehl senden */
513 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
514 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
517 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
520 Client_SetIntroducer( Client, Client );
521 Client_SetToken( Client, 1 );
523 else Client_SetToken( Client, atoi( Req->argv[1] ));
525 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
527 Client_SetType( Client, CLIENT_SERVER );
529 /* maximalen Hop Count ermitteln */
534 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
535 c = Client_Next( c );
538 /* Alle bisherigen Server dem neuen Server bekannt machen,
539 * die bisherigen Server ueber den neuen informierenn */
540 for( i = 0; i < ( max_hops + 1 ); i++ )
545 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
547 if( Client_Conn( c ) > NONE )
549 /* Dem gefundenen Server gleich den neuen
550 * Server bekannt machen */
551 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
554 /* Den neuen Server ueber den alten informieren */
555 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;
557 c = Client_Next( c );
561 /* alle User dem neuen Server bekannt machen */
565 if( Client_Type( c ) == CLIENT_USER )
567 /* User an neuen Server melden */
568 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;
570 c = Client_Next( c );
573 /* Channels dem neuen Server bekannt machen */
574 chan = Channel_First( );
577 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
579 /* alle Member suchen */
580 cl2chan = Channel_FirstMember( chan );
583 cl = Channel_GetClient( cl2chan );
584 assert( cl != NULL );
586 /* Nick, ggf. mit Modes, anhaengen */
587 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
588 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
589 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
590 strcat( str, Client_ID( cl ));
592 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
595 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
596 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
599 cl2chan = Channel_NextMember( chan, cl2chan );
603 if( str[strlen( str ) - 1] != ':')
605 /* Ja; Also senden ... */
606 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
609 /* naechsten Channel suchen */
610 chan = Channel_Next( chan );
615 else if( Client_Type( Client ) == CLIENT_SERVER )
617 /* Neuer Server wird im Netz angekuendigt */
619 /* Falsche Anzahl Parameter? */
620 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
622 /* Ist ein Server mit dieser ID bereits registriert? */
623 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
625 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
626 ptr = strchr( Req->argv[3] + 2, '[' );
627 if( ! ptr ) ptr = Req->argv[3];
629 from = Client_GetFromID( Req->prefix );
632 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
633 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
634 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
638 /* Neue Client-Struktur anlegen */
639 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
642 /* Neue Client-Struktur konnte nicht angelegt werden */
643 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
644 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
648 /* Log-Meldung zusammenbauen und ausgeben */
649 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
650 else strcpy( str, "" );
651 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": "" );
653 /* Andere Server informieren */
654 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
658 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
662 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
664 CHAR *channame, *ptr, modes[8];
665 BOOLEAN is_op, is_voiced;
669 assert( Client != NULL );
670 assert( Req != NULL );
672 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
674 /* Falsche Anzahl Parameter? */
675 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
677 channame = Req->argv[0];
678 ptr = strtok( Req->argv[1], "," );
681 is_op = is_voiced = FALSE;
683 /* Prefixe abschneiden */
684 while(( *ptr == '@' ) || ( *ptr == '+' ))
686 if( *ptr == '@' ) is_op = TRUE;
687 if( *ptr == '+' ) is_voiced = TRUE;
691 c = Client_GetFromID( ptr );
694 Channel_Join( c, channame );
695 chan = Channel_Search( channame );
696 assert( chan != NULL );
698 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
699 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
701 /* im Channel bekannt machen */
702 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
704 /* Channel-User-Modes setzen */
705 strcpy( modes, Channel_UserModes( chan, c ));
708 /* Modes im Channel bekannt machen */
709 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
712 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
714 /* naechsten Nick suchen */
715 ptr = strtok( NULL, "," );
718 /* an andere Server weiterleiten */
719 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
725 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
727 CLIENT *intr_c, *target, *c;
730 assert( Client != NULL );
731 assert( Req != NULL );
733 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
735 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 ))
737 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 ))
740 /* User-Registrierung bzw. Nick-Aenderung */
742 /* Falsche Anzahl Parameter? */
743 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
745 /* "Ziel-Client" ermitteln */
746 if( Client_Type( Client ) == CLIENT_SERVER )
748 target = Client_GetFromID( Req->prefix );
749 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
753 /* Ist der Client "restricted"? */
754 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
759 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
760 * wir nichts. So macht es das Original und mind. Snak hat probleme,
761 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
762 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
765 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
766 * will nur die Gross- und Kleinschreibung aendern. Das darf
767 * er natuerlich machen :-) */
768 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
770 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
773 if( Client_Type( Client ) == CLIENT_USER )
775 /* Nick-Aenderung: allen mitteilen! */
776 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
777 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
778 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
780 else if( Client_Type( Client ) == CLIENT_SERVER )
782 /* Nick-Aenderung: allen mitteilen! */
783 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
784 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
787 /* Client-Nick registrieren */
788 Client_SetID( target, Req->argv[0] );
790 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
793 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
794 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
795 else Client_SetType( Client, CLIENT_GOTNICK );
799 else if( Client_Type( Client ) == CLIENT_SERVER )
801 /* Server fuehrt neuen Client ein */
803 /* Falsche Anzahl Parameter? */
804 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
806 /* Nick ueberpruefen */
807 c = Client_GetFromID( Req->argv[0] );
810 /* Der neue Nick ist auf diesem Server bereits registriert:
811 * sowohl der neue, als auch der alte Client muessen nun
812 * disconnectiert werden. */
813 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
814 Kill_Nick( Req->argv[0] );
818 /* Server, zu dem der Client connectiert ist, suchen */
819 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
822 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
823 Kill_Nick( Req->argv[0] );
827 /* Neue Client-Struktur anlegen */
828 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 );
831 /* Eine neue Client-Struktur konnte nicht angelegt werden.
832 * Der Client muss disconnectiert werden, damit der Netz-
833 * status konsistent bleibt. */
834 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
835 Kill_Nick( Req->argv[0] );
839 modes = Client_Modes( c );
840 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": "" );
841 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": "" );
843 /* Andere Server, ausser dem Introducer, informieren */
844 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] );
848 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
852 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
854 assert( Client != NULL );
855 assert( Req != NULL );
858 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
860 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
863 /* Falsche Anzahl Parameter? */
864 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
866 Client_SetUser( Client, Req->argv[0], FALSE );
867 Client_SetInfo( Client, Req->argv[3] );
869 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
870 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
871 else Client_SetType( Client, CLIENT_GOTUSER );
874 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
876 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
878 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
882 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
886 assert( Client != NULL );
887 assert( Req != NULL );
889 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
893 /* Falsche Anzahl Parameter? */
894 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
896 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
897 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
901 else if ( Client_Type( Client ) == CLIENT_SERVER )
905 /* Falsche Anzahl Parameter? */
906 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
908 target = Client_Search( Req->prefix );
911 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
915 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
916 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
920 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
924 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
928 assert( Client != NULL );
929 assert( Req != NULL );
931 /* SQUIT ist nur fuer Server erlaubt */
932 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
934 /* Falsche Anzahl Parameter? */
935 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
937 target = Client_GetFromID( Req->argv[0] );
940 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
944 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
945 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
947 /* SQUIT an alle Server weiterleiten */
948 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
950 if( Client_Conn( target ) > NONE )
952 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
953 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
958 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
964 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
966 CLIENT *target, *from;
968 assert( Client != NULL );
969 assert( Req != NULL );
971 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
973 /* Falsche Anzahl Parameter? */
974 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
975 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
979 /* es wurde ein Ziel-Client angegeben */
980 target = Client_GetFromID( Req->argv[1] );
981 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
982 if( target != Client_ThisServer( ))
985 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
987 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
988 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
992 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
993 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
997 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
999 CLIENT *target, *from;
1001 assert( Client != NULL );
1002 assert( Req != NULL );
1004 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1006 /* Falsche Anzahl Parameter? */
1007 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1008 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1011 if( Req->argc == 2 )
1013 target = Client_GetFromID( Req->argv[1] );
1014 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1015 if( target != Client_ThisServer( ))
1018 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1020 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1021 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1025 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1026 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1028 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 )));
1029 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1035 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1037 assert( Client != NULL );
1038 assert( Req != NULL );
1040 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1042 /* Falsche Anzahl Parameter? */
1043 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1045 return Show_MOTD( Client );
1049 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1054 assert( Client != NULL );
1055 assert( Req != NULL );
1057 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1059 /* Falsche Anzahl Parameter? */
1060 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1061 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1062 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1064 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1066 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1068 to = Client_Search( Req->argv[0] );
1071 /* Okay, Ziel ist ein User */
1072 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1073 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1076 chan = Channel_Search( Req->argv[0] );
1079 /* Okay, Ziel ist ein Channel */
1080 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1081 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1084 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1088 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1092 assert( Client != NULL );
1093 assert( Req != NULL );
1095 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1097 /* Falsche Anzahl Parameter? */
1098 if( Req->argc != 2 ) return CONNECTED;
1100 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1102 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1104 to = Client_Search( Req->argv[0] );
1107 /* Okay, Ziel ist ein User */
1108 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1110 else return CONNECTED;
1114 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1116 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1117 CLIENT *cl, *chan_cl, *prefix;
1121 assert( Client != NULL );
1122 assert( Req != NULL );
1124 cl = chan_cl = prefix = NULL;
1127 /* Valider Client? */
1128 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1130 /* Keine Parameter? */
1131 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1133 /* Ziel suchen: Client bzw. Channel */
1134 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1135 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1137 /* Kein Ziel gefunden? */
1138 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1140 assert(( cl && chan ) != TRUE );
1142 /* Falsche Anzahl Parameter? */
1143 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1144 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1146 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1147 if(( chan ) && (Req->argc == 3 ))
1149 chan_cl = Client_Search( Req->argv[2] );
1150 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1153 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1154 if( Client_Type( Client ) == CLIENT_USER )
1158 /* MODE ist nur fuer sich selber zulaessig! */
1159 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1163 /* Darf der User die Channel-Modes ermitteln? */
1167 /* Werden die Modes "nur" erfragt? */
1168 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1169 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1171 mode_ptr = Req->argv[1];
1173 /* Sollen Modes gesetzt oder geloescht werden? */
1176 if( *mode_ptr == '+' ) set = TRUE;
1177 else if( *mode_ptr == '-' ) set = FALSE;
1178 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1183 if( *mode_ptr == '-' ) set = FALSE;
1185 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1188 /* Prefix fuer Antworten etc. ermitteln */
1189 if( Client_Type( Client ) == CLIENT_SERVER )
1191 prefix = Client_GetFromID( Req->prefix );
1192 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1194 else prefix = Client;
1196 /* Reply-String mit Aenderungen vorbereiten */
1197 if( set ) strcpy( the_modes, "+" );
1198 else strcpy( the_modes, "-" );
1205 if( Client_Type( Client ) == CLIENT_SERVER )
1207 /* Befehl kommt von einem Server, daher
1208 * trauen wir ihm "unbesehen" ... */
1213 /* Modes validieren */
1224 /* restricted (kann nur gesetzt werden) */
1225 if( set ) x[0] = 'r';
1226 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1229 /* operator (kann nur geloescht werden) */
1232 Client_SetOperByMe( Client, FALSE );
1235 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1238 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1239 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1245 /* Ist der User ein Channel Operator? */
1246 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1248 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1249 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1253 /* Channel-Modes oder Channel-User-Modes */
1256 /* Channel-User-Modes */
1260 /* Channel Operator */
1268 Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
1269 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1287 /* kein Schreiben in den Channel von aussen */
1307 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1308 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1317 if( ! x[0] ) continue;
1319 /* Okay, gueltigen Mode gefunden */
1322 /* Es geht um User-Modes */
1325 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1326 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1330 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1331 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1336 /* Es geht um Channel-Modes oder Channel-User-Modes */
1339 /* Channel-User-Modes */
1342 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1343 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1347 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1348 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1356 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1357 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1361 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1362 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1368 /* Wurden Modes geaendert? */
1374 if( Client_Type( Client ) == CLIENT_SERVER )
1376 /* Modes an andere Server forwarden */
1377 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1381 /* Bestaetigung an Client schicken & andere Server informieren */
1382 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1383 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1385 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1389 /* Channel-Modes oder Channel-User-Mode */
1392 /* Channel-User-Mode */
1393 if( Client_Type( Client ) == CLIENT_SERVER )
1395 /* Modes an andere Server und Channel-User forwarden */
1396 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1397 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1401 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1402 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1403 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1404 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1406 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1411 if( Client_Type( Client ) == CLIENT_SERVER )
1413 /* Modes an andere Server und Channel-User forwarden */
1414 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1415 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1419 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1420 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1421 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1422 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1424 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1433 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1437 assert( Client != NULL );
1438 assert( Req != NULL );
1440 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1442 /* Falsche Anzahl Parameter? */
1443 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1445 /* Operator suchen */
1446 for( i = 0; i < Conf_Oper_Count; i++)
1448 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1450 if( i >= Conf_Oper_Count )
1452 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1453 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1456 /* Stimmt das Passwort? */
1457 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1459 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1460 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1463 if( ! Client_HasMode( Client, 'o' ))
1465 /* noch kein o-Mode gesetzt */
1466 Client_ModeAdd( Client, 'o' );
1467 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1468 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1471 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1473 Client_SetOperByMe( Client, TRUE );
1474 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1478 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1480 assert( Client != NULL );
1481 assert( Req != NULL );
1483 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1485 /* Falsche Anzahl Parameter? */
1486 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1488 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1490 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1496 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1498 assert( Client != NULL );
1499 assert( Req != NULL );
1501 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1503 /* Falsche Anzahl Parameter? */
1504 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1506 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1508 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1509 NGIRCd_Restart = TRUE;
1514 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1516 CHAR rpl[COMMAND_LEN];
1519 assert( Client != NULL );
1520 assert( Req != NULL );
1522 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1524 /* Falsche Anzahl Parameter? */
1525 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1527 /* Noch alle User ausgeben, die in keinem Channel sind */
1529 c = Client_First( );
1532 if( Client_Type( c ) == CLIENT_USER )
1534 /* Okay, das ist ein User */
1535 strcat( rpl, Client_ID( c ));
1539 /* Antwort zu lang? Splitten. */
1540 if( strlen( rpl ) > 480 )
1542 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1543 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1547 c = Client_Next( c );
1551 /* es wurden User gefunden */
1552 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1553 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1555 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1559 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1561 CHAR rpl[COMMAND_LEN];
1566 assert( Client != NULL );
1567 assert( Req != NULL );
1569 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1571 /* Falsche Anzahl Parameter? */
1572 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1574 strcpy( rpl, RPL_ISON_MSG );
1575 for( i = 0; i < Req->argc; i++ )
1577 ptr = strtok( Req->argv[i], " " );
1581 c = Client_GetFromID( ptr );
1582 if( c && ( Client_Type( c ) == CLIENT_USER ))
1584 /* Dieser Nick ist "online" */
1588 ptr = strtok( NULL, " " );
1591 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1593 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1597 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1599 CLIENT *from, *target, *c;
1600 CHAR str[LINE_LEN + 1], *ptr = NULL;
1604 assert( Client != NULL );
1605 assert( Req != NULL );
1607 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1609 /* Falsche Anzahl Parameter? */
1610 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1613 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1614 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1616 /* Empfaenger des WHOIS suchen */
1617 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1619 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1621 /* Forwarden an anderen Server? */
1624 /* angegebenen Ziel-Server suchen */
1625 target = Client_GetFromID( Req->argv[1] );
1626 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1630 else if( Client_Conn( c ) == NONE )
1632 /* Client ist nicht von uns. Ziel-Server suchen */
1639 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 );
1641 /* Nick, User und Name */
1642 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1645 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;
1648 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1649 cl2chan = Channel_FirstChannelOf( c );
1652 chan = Channel_GetChannel( cl2chan );
1653 assert( chan != NULL );
1655 /* Channel-Name anhaengen */
1656 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1657 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1658 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1659 strcat( str, Channel_Name( chan ));
1661 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1663 /* Zeile wird zu lang: senden! */
1664 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1665 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1668 /* naechstes Mitglied suchen */
1669 cl2chan = Channel_NextChannelOf( c, cl2chan );
1671 if( str[strlen( str ) - 1] != ':')
1673 /* Es sind noch Daten da, die gesendet werden muessen */
1674 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1678 if( Client_HasMode( c, 'o' ))
1680 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1683 /* Idle (nur lokale Clients) */
1684 if( Client_Conn( c ) > NONE )
1686 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1690 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1694 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1696 CHAR rpl[COMMAND_LEN];
1700 assert( Client != NULL );
1701 assert( Req != NULL );
1703 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1705 /* Falsche Anzahl Parameter? */
1706 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1708 if( Req->argc > 5 ) max = 5;
1709 else max = Req->argc;
1711 strcpy( rpl, RPL_USERHOST_MSG );
1712 for( i = 0; i < max; i++ )
1714 c = Client_GetFromID( Req->argv[i] );
1715 if( c && ( Client_Type( c ) == CLIENT_USER ))
1717 /* Dieser Nick ist "online" */
1718 strcat( rpl, Client_ID( c ));
1719 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1721 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1722 else strcat( rpl, "+" );
1723 strcat( rpl, Client_User( c ));
1725 strcat( rpl, Client_Hostname( c ));
1729 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1731 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1732 } /* IRC_USERHOST */
1735 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1737 assert( Client != NULL );
1738 assert( Req != NULL );
1740 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1741 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1747 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1749 CLIENT *target, *from;
1752 assert( Client != NULL );
1753 assert( Req != NULL );
1755 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1757 /* Falsche Anzahl Parameter? */
1758 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1760 /* Absender ermitteln */
1761 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1763 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1765 /* An anderen Server forwarden? */
1766 if( Req->argc == 2 )
1768 target = Client_GetFromID( Req->argv[1] );
1769 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1770 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1773 /* Wer ist der Absender? */
1774 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1775 else target = Client;
1776 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1778 /* Users, Services und Serevr im Netz */
1779 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1781 /* IRC-Operatoren im Netz */
1782 cnt = Client_OperCount( );
1785 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1788 /* Unbekannt Verbindungen */
1789 cnt = Client_UnknownCount( );
1792 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1795 /* Channels im Netz */
1796 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1798 /* Channels im Netz */
1799 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1805 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1807 CLIENT *target, *from, *c;
1810 assert( Client != NULL );
1811 assert( Req != NULL );
1813 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1815 /* Falsche Anzahl Parameter? */
1816 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1818 /* Server-Mask ermitteln */
1819 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1822 /* Absender ermitteln */
1823 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1825 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1827 /* An anderen Server forwarden? */
1828 if( Req->argc == 2 )
1830 target = Client_GetFromID( Req->argv[0] );
1831 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1832 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1835 /* Wer ist der Absender? */
1836 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1837 else target = Client;
1838 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1840 c = Client_First( );
1843 if( Client_Type( c ) == CLIENT_SERVER )
1845 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;
1847 c = Client_Next( c );
1850 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1854 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1856 CHAR *channame, *flags, modes[8];
1857 BOOLEAN is_new_chan;
1861 assert( Client != NULL );
1862 assert( Req != NULL );
1864 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1866 /* Falsche Anzahl Parameter? */
1867 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1869 /* Wer ist der Absender? */
1870 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1871 else target = Client;
1872 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1874 /* Channel-Namen durchgehen */
1875 channame = strtok( Req->argv[0], "," );
1878 /* wird der Channel neu angelegt? */
1881 if( Channel_Search( channame )) is_new_chan = FALSE;
1882 else is_new_chan = TRUE;
1884 /* Hat ein Server Channel-User-Modes uebergeben? */
1885 if( Client_Type( Client ) == CLIENT_SERVER )
1887 /* Channel-Flags extrahieren */
1888 flags = strchr( channame, 0x7 );
1889 if( flags ) *flags++ = '\0';
1892 /* neuer Channel udn lokaler Client? */
1893 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1895 /* Dann soll der Client Channel-Operator werden! */
1899 /* Channel joinen (und ggf. anlegen) */
1900 if( ! Channel_Join( target, channame ))
1902 /* naechsten Namen ermitteln */
1903 channame = strtok( NULL, "," );
1906 chan = Channel_Search( channame );
1907 assert( chan != NULL );
1909 /* Modes setzen (wenn vorhanden) */
1910 while( flags && *flags )
1912 Channel_UserModeAdd( chan, target, *flags );
1916 /* Muessen Modes an andere Server gemeldet werden? */
1917 strcpy( &modes[1], Channel_UserModes( chan, target ));
1918 if( modes[1] ) modes[0] = 0x7;
1919 else modes[0] = '\0';
1921 /* An andere Server weiterleiten */
1922 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1924 /* im Channel bekannt machen */
1925 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1928 /* Modes im Channel bekannt machen */
1929 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1932 if( Client_Type( Client ) == CLIENT_USER )
1934 /* an Client bestaetigen */
1935 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1936 /* Topic an Client schicken */
1937 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1938 /* Mitglieder an Client Melden */
1939 Send_NAMES( Client, chan );
1942 /* naechsten Namen ermitteln */
1943 channame = strtok( NULL, "," );
1949 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1954 assert( Client != NULL );
1955 assert( Req != NULL );
1957 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1959 /* Falsche Anzahl Parameter? */
1960 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1962 /* Wer ist der Absender? */
1963 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1964 else target = Client;
1965 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1967 /* Channel-Namen durchgehen */
1968 chan = strtok( Req->argv[0], "," );
1971 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1973 /* naechsten Namen ermitteln */
1974 chan = strtok( NULL, "," );
1978 /* naechsten Namen ermitteln */
1979 chan = strtok( NULL, "," );
1985 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1987 assert( Client != NULL );
1989 /* Passwort ueberpruefen */
1990 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1992 /* Falsches Passwort */
1993 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1994 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1995 return DISCONNECTED;
1998 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2000 /* Andere Server informieren */
2001 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 ));
2003 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2004 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2005 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2006 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2008 Client_SetType( Client, CLIENT_USER );
2010 return Show_MOTD( Client );
2014 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2020 assert( Client != NULL );
2022 fd = fopen( Conf_MotdFile, "r" );
2025 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2026 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2029 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2032 if( ! fgets( line, 126, fd )) break;
2033 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2034 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2040 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2048 LOCAL VOID Kill_Nick( CHAR *Nick )
2050 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2052 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2056 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2058 CHAR str[LINE_LEN + 1];
2062 assert( Client != NULL );
2063 assert( Chan != NULL );
2065 /* Alle Mitglieder suchen */
2066 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2067 cl2chan = Channel_FirstMember( Chan );
2070 cl = Channel_GetClient( cl2chan );
2072 /* Nick anhaengen */
2073 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2074 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2075 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2076 strcat( str, Client_ID( cl ));
2078 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2080 /* Zeile wird zu lang: senden! */
2081 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2082 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2085 /* naechstes Mitglied suchen */
2086 cl2chan = Channel_NextMember( Chan, cl2chan );
2088 if( str[strlen( str ) - 1] != ':')
2090 /* Es sind noch Daten da, die gesendet werden muessen */
2091 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2095 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));