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 1.52 2002/02/11 15:52:21 alex Exp $
17 * Revision 1.52 2002/02/11 15:52:21 alex
18 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
19 * - Channel-Modes wurden falsch geliefert (als User-Modes).
21 * Revision 1.51 2002/02/11 15:15:53 alex
22 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
23 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
25 * Revision 1.50 2002/02/11 01:03:20 alex
26 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
27 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
28 * angelegt wird, werden Channel-Operator, etc. pp. ...
29 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
31 * Revision 1.49 2002/02/06 16:51:22 alex
32 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
34 * Revision 1.48 2002/01/29 00:13:45 alex
35 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
36 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
37 * LINKS wieder korrekt.
39 * Revision 1.47 2002/01/28 13:05:48 alex
40 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
41 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
43 * Revision 1.46 2002/01/28 01:45:43 alex
44 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
46 * Revision 1.45 2002/01/28 01:18:14 alex
47 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
49 * Revision 1.44 2002/01/28 00:55:08 alex
50 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
52 * Revision 1.43 2002/01/27 21:56:39 alex
53 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
54 * - einige kleinere Fixes bezueglich Channels ...
56 * Revision 1.42 2002/01/27 18:28:01 alex
57 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
59 * Revision 1.41 2002/01/27 17:15:49 alex
60 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
61 * IRC_WriteStrChannelPrefix(),
62 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
64 * Revision 1.40 2002/01/26 18:43:11 alex
65 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
66 * die IRC_Write_xxx_Related() sind dafuer entfallen.
67 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
69 * Revision 1.39 2002/01/21 00:05:11 alex
70 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
71 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
72 * - diverse Aenderungen im Zusammenhang mit Channels.
74 * Revision 1.38 2002/01/18 15:31:32 alex
75 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
77 * Revision 1.37 2002/01/16 22:10:18 alex
78 * - IRC_LUSERS() implementiert.
80 * Revision 1.36 2002/01/11 23:50:55 alex
81 * - LINKS implementiert, LUSERS begonnen.
83 * Revision 1.35 2002/01/09 21:30:45 alex
84 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
86 * Revision 1.34 2002/01/09 01:09:58 alex
87 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
88 * - andere Server werden nun ueber bisherige Server und User informiert.
90 * Revision 1.33 2002/01/07 23:42:12 alex
91 * - Es werden fuer alle Server eigene Token generiert,
92 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
93 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
95 * Revision 1.32 2002/01/07 16:02:36 alex
96 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
97 * - Im Debug-Mode werden nun auch PING's protokolliert.
99 * Revision 1.31 2002/01/07 15:39:46 alex
100 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
101 * - MODE und NICK melden nun die Aenderungen an andere Server.
103 * Revision 1.30 2002/01/06 15:21:29 alex
104 * - Loglevel und Meldungen nochmals ueberarbeitet.
105 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
106 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
108 * Revision 1.29 2002/01/05 23:24:54 alex
109 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
110 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
112 * Revision 1.28 2002/01/05 20:08:02 alex
113 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
114 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
116 * Revision 1.27 2002/01/05 19:15:03 alex
117 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
119 * Revision 1.26 2002/01/05 16:51:18 alex
120 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
122 * Revision 1.25 2002/01/05 00:48:33 alex
123 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
125 * Revision 1.24 2002/01/04 17:58:44 alex
126 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
127 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
129 * Revision 1.23 2002/01/04 01:36:40 alex
130 * - Loglevel ein wenig angepasst.
132 * Revision 1.22 2002/01/04 01:21:47 alex
133 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
134 * - Weitere Anpassungen und Erweiterungen der Server-Links.
136 * Revision 1.21 2002/01/03 02:26:51 alex
137 * - neue Befehle SERVER und NJOIN begonnen,
138 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
140 * Revision 1.20 2002/01/02 12:46:41 alex
141 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
143 * Revision 1.19 2002/01/02 02:51:39 alex
144 * - Copyright-Texte angepasst.
145 * - neuer Befehl "ERROR".
147 * Revision 1.17 2001/12/31 15:33:13 alex
148 * - neuer Befehl NAMES, kleinere Bugfixes.
149 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
151 * Revision 1.16 2001/12/31 02:18:51 alex
152 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
153 * - neuen Header "defines.h" mit (fast) allen Konstanten.
154 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
156 * Revision 1.15 2001/12/30 19:26:11 alex
157 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
159 * Revision 1.14 2001/12/30 11:42:00 alex
160 * - der Server meldet nun eine ordentliche "Start-Zeit".
162 * Revision 1.13 2001/12/29 03:10:06 alex
163 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
164 * - neue configure-Optione "--enable-strict-rfc".
166 * Revision 1.12 2001/12/27 19:17:26 alex
167 * - neue Befehle PRIVMSG, NOTICE, PING.
169 * Revision 1.11 2001/12/27 16:55:41 alex
170 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
172 * Revision 1.10 2001/12/26 22:48:53 alex
173 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
175 * Revision 1.9 2001/12/26 14:45:37 alex
178 * Revision 1.8 2001/12/26 03:21:46 alex
179 * - PING/PONG-Befehle implementiert,
180 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
182 * Revision 1.7 2001/12/25 23:25:18 alex
183 * - und nochmal Aenderungen am Logging ;-)
185 * Revision 1.6 2001/12/25 23:13:33 alex
186 * - Debug-Meldungen angepasst.
188 * Revision 1.5 2001/12/25 22:02:42 alex
189 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
191 * Revision 1.4 2001/12/25 19:19:30 alex
192 * - bessere Fehler-Abfragen, diverse Bugfixes.
193 * - Nicks werden nur einmal vergeben :-)
194 * - /MOTD wird unterstuetzt.
196 * Revision 1.3 2001/12/24 01:34:06 alex
197 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
198 * - MOTD-Ausgabe begonnen zu implementieren.
200 * Revision 1.2 2001/12/23 21:57:16 alex
201 * - erste IRC-Befehle zu implementieren begonnen.
203 * Revision 1.1 2001/12/14 08:13:43 alex
204 * - neues Modul begonnen :-)
225 #include "messages.h"
233 #define CONNECTED TRUE
234 #define DISCONNECTED FALSE
237 LOCAL BOOLEAN Hello_User( CLIENT *Client );
238 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
240 LOCAL VOID Kill_Nick( CHAR *Nick );
242 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
245 GLOBAL VOID IRC_Init( VOID )
250 GLOBAL VOID IRC_Exit( VOID )
255 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
258 BOOLEAN ok = CONNECTED;
261 assert( Client != NULL );
262 assert( Format != NULL );
264 va_start( ap, Format );
265 vsnprintf( buffer, 1000, Format, ap );
268 /* an den Client selber */
269 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
272 } /* IRC_WriteStrClient */
275 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
277 /* Text an Clients, lokal bzw. remote, senden. */
282 assert( Client != NULL );
283 assert( Format != NULL );
284 assert( Prefix != NULL );
286 va_start( ap, Format );
287 vsnprintf( buffer, 1000, Format, ap );
290 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
291 } /* IRC_WriteStrClientPrefix */
294 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
299 assert( Client != NULL );
300 assert( Format != NULL );
302 va_start( ap, Format );
303 vsnprintf( buffer, 1000, Format, ap );
306 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
307 } /* IRC_WriteStrChannel */
310 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
313 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
319 assert( Client != NULL );
320 assert( Chan != NULL );
321 assert( Prefix != NULL );
322 assert( Format != NULL );
324 va_start( ap, Format );
325 vsnprintf( buffer, 1000, Format, ap );
328 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
330 /* An alle Clients, die in den selben Channels sind.
331 * Dabei aber nur einmal je Remote-Server */
332 cl2chan = Channel_FirstMember( Chan );
335 c = Channel_GetClient( cl2chan );
338 if( Client_Conn( c ) <= NONE ) c = NULL;
339 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
341 if( c ) c = Client_NextHop( c );
343 if( c && ( c != Client ))
345 /* Ok, anderer Client */
346 s = Client_Conn( c );
348 assert( s < MAX_CONNECTIONS );
351 cl2chan = Channel_NextMember( Chan, cl2chan );
355 for( i = 0; i < MAX_CONNECTIONS; i++ )
359 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
364 } /* IRC_WriteStrChannelPrefix */
367 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
372 assert( Format != NULL );
374 va_start( ap, Format );
375 vsnprintf( buffer, 1000, Format, ap );
378 /* an den Client selber */
379 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
380 } /* IRC_WriteStrServers */
383 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
389 assert( Format != NULL );
390 assert( Prefix != NULL );
392 va_start( ap, Format );
393 vsnprintf( buffer, 1000, Format, ap );
399 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
401 /* Ziel-Server gefunden */
402 IRC_WriteStrClientPrefix( c, Prefix, buffer );
404 c = Client_Next( c );
406 } /* IRC_WriteStrServersPrefix */
409 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
411 assert( Client != NULL );
412 assert( Req != NULL );
414 /* Fehler liefern, wenn kein lokaler Client */
415 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
417 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
419 /* noch nicht registrierte unbekannte Verbindung */
420 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
422 /* Passwort speichern */
423 Client_SetPassword( Client, Req->argv[0] );
425 Client_SetType( Client, CLIENT_GOTPASS );
428 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
430 /* noch nicht registrierte Server-Verbindung */
431 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
433 /* Passwort speichern */
434 Client_SetPassword( Client, Req->argv[0] );
436 Client_SetType( Client, CLIENT_GOTPASSSERVER );
439 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
441 /* Falsche Anzahl Parameter? */
442 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
444 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
448 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
450 CHAR str[LINE_LEN], *ptr;
451 CLIENT *from, *c, *cl;
457 assert( Client != NULL );
458 assert( Req != NULL );
460 /* Fehler liefern, wenn kein lokaler Client */
461 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
463 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
465 /* Verbindung soll als Server-Server-Verbindung registriert werden */
466 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
468 /* Falsche Anzahl Parameter? */
469 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
471 /* Ist dieser Server bei uns konfiguriert? */
472 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
473 if( i >= Conf_Server_Count )
475 /* Server ist nicht konfiguriert! */
476 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
477 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
480 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
482 /* Falsches Passwort */
483 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
484 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
488 /* Ist ein Server mit dieser ID bereits registriert? */
489 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
491 /* Server-Strukturen fuellen ;-) */
492 Client_SetID( Client, Req->argv[0] );
493 Client_SetHops( Client, 1 );
494 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
496 /* Meldet sich der Server bei uns an? */
499 /* Unseren SERVER- und PASS-Befehl senden */
501 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
502 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
505 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
508 Client_SetIntroducer( Client, Client );
509 Client_SetToken( Client, 1 );
511 else Client_SetToken( Client, atoi( Req->argv[1] ));
513 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
515 Client_SetType( Client, CLIENT_SERVER );
517 /* maximalen Hop Count ermitteln */
522 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
523 c = Client_Next( c );
526 /* Alle bisherigen Server dem neuen Server bekannt machen,
527 * die bisherigen Server ueber den neuen informierenn */
528 for( i = 0; i < ( max_hops + 1 ); i++ )
533 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
535 if( Client_Conn( c ) > NONE )
537 /* Dem gefundenen Server gleich den neuen
538 * Server bekannt machen */
539 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
542 /* Den neuen Server ueber den alten informieren */
543 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;
545 c = Client_Next( c );
549 /* alle User dem neuen Server bekannt machen */
553 if( Client_Type( c ) == CLIENT_USER )
555 /* User an neuen Server melden */
556 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;
558 c = Client_Next( c );
561 /* Channels dem neuen Server bekannt machen */
562 chan = Channel_First( );
565 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
567 /* alle Member suchen */
568 cl2chan = Channel_FirstMember( chan );
571 cl = Channel_GetClient( cl2chan );
572 assert( cl != NULL );
574 /* Nick, ggf. mit Modes, anhaengen */
575 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
576 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
577 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
578 strcat( str, Client_ID( cl ));
580 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
583 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
584 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
587 cl2chan = Channel_NextMember( chan, cl2chan );
591 if( str[strlen( str ) - 1] != ':')
593 /* Ja; Also senden ... */
594 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
597 /* naechsten Channel suchen */
598 chan = Channel_Next( chan );
603 else if( Client_Type( Client ) == CLIENT_SERVER )
605 /* Neuer Server wird im Netz angekuendigt */
607 /* Falsche Anzahl Parameter? */
608 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
610 /* Ist ein Server mit dieser ID bereits registriert? */
611 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
613 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
614 ptr = strchr( Req->argv[3] + 2, '[' );
615 if( ! ptr ) ptr = Req->argv[3];
617 from = Client_GetFromID( Req->prefix );
620 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
621 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
622 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
626 /* Neue Client-Struktur anlegen */
627 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
630 /* Neue Client-Struktur konnte nicht angelegt werden */
631 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
632 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
636 /* Log-Meldung zusammenbauen und ausgeben */
637 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
638 else strcpy( str, "" );
639 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": "" );
641 /* Andere Server informieren */
642 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
646 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
650 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
652 BOOLEAN is_op, is_voiced;
653 CHAR *channame, *ptr;
657 assert( Client != NULL );
658 assert( Req != NULL );
660 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
662 /* Falsche Anzahl Parameter? */
663 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
665 channame = Req->argv[0];
666 ptr = strtok( Req->argv[1], "," );
669 is_op = is_voiced = FALSE;
671 /* Prefixe abschneiden */
672 while(( *ptr == '@' ) || ( *ptr == '+' ))
674 if( *ptr == '@' ) is_op = TRUE;
675 if( *ptr == '+' ) is_voiced = TRUE;
679 c = Client_GetFromID( ptr );
682 Channel_Join( c, channame );
683 chan = Channel_Search( channame );
684 assert( chan != NULL );
686 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
687 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
689 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
691 /* naechsten Nick suchen */
692 ptr = strtok( NULL, "," );
695 /* an andere Server weiterleiten */
696 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
702 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
704 CLIENT *intr_c, *target, *c;
707 assert( Client != NULL );
708 assert( Req != NULL );
710 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
712 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 ))
714 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 ))
717 /* User-Registrierung bzw. Nick-Aenderung */
719 /* Falsche Anzahl Parameter? */
720 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
722 /* "Ziel-Client" ermitteln */
723 if( Client_Type( Client ) == CLIENT_SERVER )
725 target = Client_GetFromID( Req->prefix );
726 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
730 /* Ist der Client "restricted"? */
731 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
735 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
736 * wir nichts. So macht es das Original und mind. Snak hat probleme,
737 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
739 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
742 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
743 * will nur die Gross- und Kleinschreibung aendern. Das darf
744 * er natuerlich machen :-) */
745 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
747 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
750 if( Client_Type( Client ) == CLIENT_USER )
752 /* Nick-Aenderung: allen mitteilen! */
753 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
754 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
755 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
757 else if( Client_Type( Client ) == CLIENT_SERVER )
759 /* Nick-Aenderung: allen mitteilen! */
760 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
761 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
764 /* Client-Nick registrieren */
765 Client_SetID( target, Req->argv[0] );
767 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
770 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
771 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
772 else Client_SetType( Client, CLIENT_GOTNICK );
776 else if( Client_Type( Client ) == CLIENT_SERVER )
778 /* Server fuehrt neuen Client ein */
780 /* Falsche Anzahl Parameter? */
781 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
783 /* Nick ueberpruefen */
784 c = Client_GetFromID( Req->argv[0] );
787 /* Der neue Nick ist auf diesem Server bereits registriert:
788 * sowohl der neue, als auch der alte Client muessen nun
789 * disconnectiert werden. */
790 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
791 Kill_Nick( Req->argv[0] );
795 /* Server, zu dem der Client connectiert ist, suchen */
796 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
799 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
800 Kill_Nick( Req->argv[0] );
804 /* Neue Client-Struktur anlegen */
805 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 );
808 /* Eine neue Client-Struktur konnte nicht angelegt werden.
809 * Der Client muss disconnectiert werden, damit der Netz-
810 * status konsistent bleibt. */
811 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
812 Kill_Nick( Req->argv[0] );
816 modes = Client_Modes( c );
817 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": "" );
818 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": "" );
820 /* Andere Server, ausser dem Introducer, informieren */
821 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] );
825 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
829 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
831 assert( Client != NULL );
832 assert( Req != NULL );
835 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
837 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
840 /* Falsche Anzahl Parameter? */
841 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
843 Client_SetUser( Client, Req->argv[0], FALSE );
844 Client_SetInfo( Client, Req->argv[3] );
846 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
847 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
848 else Client_SetType( Client, CLIENT_GOTUSER );
851 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
853 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
855 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
859 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
863 assert( Client != NULL );
864 assert( Req != NULL );
866 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
870 /* Falsche Anzahl Parameter? */
871 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
873 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
874 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
878 else if ( Client_Type( Client ) == CLIENT_SERVER )
882 /* Falsche Anzahl Parameter? */
883 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
885 target = Client_Search( Req->prefix );
888 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
892 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
893 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
897 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
901 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
905 assert( Client != NULL );
906 assert( Req != NULL );
908 /* SQUIT ist nur fuer Server erlaubt */
909 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
911 /* Falsche Anzahl Parameter? */
912 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
914 target = Client_GetFromID( Req->argv[0] );
917 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
921 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
922 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
924 /* SQUIT an alle Server weiterleiten */
925 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
927 if( Client_Conn( target ) > NONE )
929 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
930 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
935 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
941 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
943 CLIENT *target, *from;
945 assert( Client != NULL );
946 assert( Req != NULL );
948 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
950 /* Falsche Anzahl Parameter? */
951 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
952 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
956 /* es wurde ein Ziel-Client angegeben */
957 target = Client_GetFromID( Req->argv[1] );
958 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
959 if( target != Client_ThisServer( ))
962 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
964 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
965 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
969 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
970 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
974 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
976 CLIENT *target, *from;
978 assert( Client != NULL );
979 assert( Req != NULL );
981 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
983 /* Falsche Anzahl Parameter? */
984 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
985 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
990 target = Client_GetFromID( Req->argv[1] );
991 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
992 if( target != Client_ThisServer( ))
995 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
997 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
998 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1002 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1003 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1005 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 )));
1006 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1012 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1014 assert( Client != NULL );
1015 assert( Req != NULL );
1017 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1019 /* Falsche Anzahl Parameter? */
1020 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1022 return Show_MOTD( Client );
1026 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1031 assert( Client != NULL );
1032 assert( Req != NULL );
1034 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1036 /* Falsche Anzahl Parameter? */
1037 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1038 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1039 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1041 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1043 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1045 to = Client_Search( Req->argv[0] );
1048 /* Okay, Ziel ist ein User */
1049 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1050 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1053 chan = Channel_Search( Req->argv[0] );
1056 /* Okay, Ziel ist ein Channel */
1057 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1058 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1061 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1065 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1069 assert( Client != NULL );
1070 assert( Req != NULL );
1072 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1074 /* Falsche Anzahl Parameter? */
1075 if( Req->argc != 2 ) return CONNECTED;
1077 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1079 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1081 to = Client_Search( Req->argv[0] );
1084 /* Okay, Ziel ist ein User */
1085 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1087 else return CONNECTED;
1091 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1093 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1096 CLIENT *cl, *chan_cl;
1098 assert( Client != NULL );
1099 assert( Req != NULL );
1101 cl = chan_cl = NULL;
1104 /* Valider Client? */
1105 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1107 /* Keine Parameter? */
1108 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1110 /* Ziel suchen: Client bzw. Channel */
1111 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1112 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1114 /* Kein Ziel gefunden? */
1115 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1117 assert(( cl && chan ) != TRUE );
1119 /* Falsche Anzahl Parameter? */
1120 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1121 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1123 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1124 if(( chan ) && (Req->argc == 3 ))
1126 chan_cl = Client_Search( Req->argv[2] );
1127 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1130 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1131 if( Client_Type( Client ) == CLIENT_USER )
1135 /* MODE ist nur fuer sich selber zulaessig! */
1136 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1140 /* Darf der User die Channel-Modes ermitteln? */
1144 /* Werden die Modes "nur" erfragt? */
1145 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1146 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1148 mode_ptr = Req->argv[1];
1150 /* Sollen Modes gesetzt oder geloescht werden? */
1153 if( *mode_ptr == '+' ) set = TRUE;
1154 else if( *mode_ptr == '-' ) set = FALSE;
1155 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1160 if( *mode_ptr == '-' ) set = FALSE;
1162 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1165 /* Reply-String mit Aenderungen vorbereiten */
1166 if( set ) strcpy( the_modes, "+" );
1167 else strcpy( the_modes, "-" );
1174 if( Client_Type( Client ) == CLIENT_SERVER )
1176 /* Befehl kommt von einem Server, daher
1177 * trauen wir ihm "unbesehen" ... */
1182 /* Modes validieren */
1193 /* restricted (kann nur gesetzt werden) */
1194 if( set ) x[0] = 'r';
1195 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1198 /* operator (kann nur geloescht werden) */
1201 Client_SetOperByMe( Client, FALSE );
1204 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1207 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1213 /* Channel-Modes oder Channel-User-Modes */
1216 /* Channel-User-Modes */
1217 Log( LOG_DEBUG, "Channel-User-Mode '%c' not supported ...", *mode_ptr );
1222 Log( LOG_DEBUG, "Channel-Mode '%c' not supported ...", *mode_ptr );
1229 if( ! x[0] ) continue;
1231 /* Okay, gueltigen Mode gefunden */
1234 /* Es geht um User-Modes */
1237 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1238 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1242 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1243 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1248 /* Es geht um Channel-Modes oder Channel-User-Modes */
1251 /* Channel-User-Modes */
1254 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1255 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1259 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1260 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1268 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1269 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1273 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1274 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1280 /* Wurden Modes geaendert? */
1286 if( Client_Type( Client ) == CLIENT_SERVER )
1288 /* Modes an andere Server forwarden */
1289 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1293 /* Bestaetigung an Client schicken & andere Server informieren */
1294 ok = IRC_WriteStrClient( Client, "MODE %s %s", Client_ID( cl ), the_modes );
1295 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( cl ), the_modes );
1297 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1301 /* Channel-Modes oder Channel-User-Mode */
1304 /* Channel-User-Mode */
1305 if( Client_Type( Client ) == CLIENT_SERVER )
1307 /* Modes an andere Server und Channel-User forwarden */
1308 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1309 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1313 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1314 ok = IRC_WriteStrClient( Client, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1315 IRC_WriteStrServersPrefix( Client, Client, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1316 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1318 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1323 if( Client_Type( Client ) == CLIENT_SERVER )
1325 /* Modes an andere Server und Channel-User forwarden */
1326 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1327 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1331 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1332 ok = IRC_WriteStrClient( Client, "MODE %s %s", Channel_Name( chan ), the_modes );
1333 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Channel_Name( chan ), the_modes );
1334 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1336 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1345 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1349 assert( Client != NULL );
1350 assert( Req != NULL );
1352 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1354 /* Falsche Anzahl Parameter? */
1355 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1357 /* Operator suchen */
1358 for( i = 0; i < Conf_Oper_Count; i++)
1360 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1362 if( i >= Conf_Oper_Count )
1364 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1365 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1368 /* Stimmt das Passwort? */
1369 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1371 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1372 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1375 if( ! Client_HasMode( Client, 'o' ))
1377 /* noch kein o-Mode gesetzt */
1378 Client_ModeAdd( Client, 'o' );
1379 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1380 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1383 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1385 Client_SetOperByMe( Client, TRUE );
1386 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1390 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1392 assert( Client != NULL );
1393 assert( Req != NULL );
1395 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1397 /* Falsche Anzahl Parameter? */
1398 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1400 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1402 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1408 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1410 assert( Client != NULL );
1411 assert( Req != NULL );
1413 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1415 /* Falsche Anzahl Parameter? */
1416 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1418 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1420 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1421 NGIRCd_Restart = TRUE;
1426 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1428 CHAR rpl[COMMAND_LEN];
1431 assert( Client != NULL );
1432 assert( Req != NULL );
1434 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1436 /* Falsche Anzahl Parameter? */
1437 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1439 /* Noch alle User ausgeben, die in keinem Channel sind */
1441 c = Client_First( );
1444 if( Client_Type( c ) == CLIENT_USER )
1446 /* Okay, das ist ein User */
1447 strcat( rpl, Client_ID( c ));
1451 /* Antwort zu lang? Splitten. */
1452 if( strlen( rpl ) > 480 )
1454 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1455 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1459 c = Client_Next( c );
1463 /* es wurden User gefunden */
1464 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1465 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1467 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1471 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1473 CHAR rpl[COMMAND_LEN];
1478 assert( Client != NULL );
1479 assert( Req != NULL );
1481 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1483 /* Falsche Anzahl Parameter? */
1484 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1486 strcpy( rpl, RPL_ISON_MSG );
1487 for( i = 0; i < Req->argc; i++ )
1489 ptr = strtok( Req->argv[i], " " );
1493 c = Client_GetFromID( ptr );
1494 if( c && ( Client_Type( c ) == CLIENT_USER ))
1496 /* Dieser Nick ist "online" */
1500 ptr = strtok( NULL, " " );
1503 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1505 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1509 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1511 CLIENT *from, *target, *c;
1512 CHAR str[LINE_LEN + 1], *ptr = NULL;
1516 assert( Client != NULL );
1517 assert( Req != NULL );
1519 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1521 /* Falsche Anzahl Parameter? */
1522 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1525 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1526 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1528 /* Empfaenger des WHOIS suchen */
1529 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1531 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1533 /* Forwarden an anderen Server? */
1536 /* angegebenen Ziel-Server suchen */
1537 target = Client_GetFromID( Req->argv[1] );
1538 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1542 else if( Client_Conn( c ) == NONE )
1544 /* Client ist nicht von uns. Ziel-Server suchen */
1551 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 );
1553 /* Nick, User und Name */
1554 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1557 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;
1560 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1561 cl2chan = Channel_FirstChannelOf( c );
1564 chan = Channel_GetChannel( cl2chan );
1565 assert( chan != NULL );
1567 /* Channel-Name anhaengen */
1568 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1569 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1570 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1571 strcat( str, Channel_Name( chan ));
1573 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1575 /* Zeile wird zu lang: senden! */
1576 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1577 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1580 /* naechstes Mitglied suchen */
1581 cl2chan = Channel_NextChannelOf( c, cl2chan );
1583 if( str[strlen( str ) - 1] != ':')
1585 /* Es sind noch Daten da, die gesendet werden muessen */
1586 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1590 if( Client_HasMode( c, 'o' ))
1592 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1595 /* Idle (nur lokale Clients) */
1596 if( Client_Conn( c ) > NONE )
1598 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1602 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1606 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1608 CHAR rpl[COMMAND_LEN];
1612 assert( Client != NULL );
1613 assert( Req != NULL );
1615 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1617 /* Falsche Anzahl Parameter? */
1618 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1620 if( Req->argc > 5 ) max = 5;
1621 else max = Req->argc;
1623 strcpy( rpl, RPL_USERHOST_MSG );
1624 for( i = 0; i < max; i++ )
1626 c = Client_GetFromID( Req->argv[i] );
1627 if( c && ( Client_Type( c ) == CLIENT_USER ))
1629 /* Dieser Nick ist "online" */
1630 strcat( rpl, Client_ID( c ));
1631 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1633 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1634 else strcat( rpl, "+" );
1635 strcat( rpl, Client_User( c ));
1637 strcat( rpl, Client_Hostname( c ));
1641 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1643 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1644 } /* IRC_USERHOST */
1647 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1649 assert( Client != NULL );
1650 assert( Req != NULL );
1652 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1653 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1659 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1661 CLIENT *target, *from;
1664 assert( Client != NULL );
1665 assert( Req != NULL );
1667 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1669 /* Falsche Anzahl Parameter? */
1670 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1672 /* Absender ermitteln */
1673 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1675 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1677 /* An anderen Server forwarden? */
1678 if( Req->argc == 2 )
1680 target = Client_GetFromID( Req->argv[1] );
1681 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1682 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1685 /* Wer ist der Absender? */
1686 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1687 else target = Client;
1688 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1690 /* Users, Services und Serevr im Netz */
1691 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1693 /* IRC-Operatoren im Netz */
1694 cnt = Client_OperCount( );
1697 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1700 /* Unbekannt Verbindungen */
1701 cnt = Client_UnknownCount( );
1704 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1707 /* Channels im Netz */
1708 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1710 /* Channels im Netz */
1711 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1717 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1719 CLIENT *target, *from, *c;
1722 assert( Client != NULL );
1723 assert( Req != NULL );
1725 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1727 /* Falsche Anzahl Parameter? */
1728 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1730 /* Server-Mask ermitteln */
1731 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1734 /* Absender ermitteln */
1735 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1737 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1739 /* An anderen Server forwarden? */
1740 if( Req->argc == 2 )
1742 target = Client_GetFromID( Req->argv[0] );
1743 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1744 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1747 /* Wer ist der Absender? */
1748 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1749 else target = Client;
1750 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1752 c = Client_First( );
1755 if( Client_Type( c ) == CLIENT_SERVER )
1757 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;
1759 c = Client_Next( c );
1762 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1766 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1768 CHAR *channame, *flags, modes[8];
1769 BOOLEAN is_new_chan;
1773 assert( Client != NULL );
1774 assert( Req != NULL );
1776 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1778 /* Falsche Anzahl Parameter? */
1779 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1781 /* Wer ist der Absender? */
1782 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1783 else target = Client;
1784 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1786 /* Channel-Namen durchgehen */
1787 channame = strtok( Req->argv[0], "," );
1790 /* wird der Channel neu angelegt? */
1793 if( Channel_Search( channame )) is_new_chan = FALSE;
1794 else is_new_chan = TRUE;
1796 /* Hat ein Server Channel-User-Modes uebergeben? */
1797 if( Client_Type( Client ) == CLIENT_SERVER )
1799 /* Channel-Flags extrahieren */
1800 flags = strchr( channame, 0x7 );
1801 if( flags ) *flags++ = '\0';
1804 /* neuer Channel udn lokaler Client? */
1805 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1807 /* Dann soll der Client Channel-Operator werden! */
1811 /* Channel joinen (und ggf. anlegen) */
1812 if( ! Channel_Join( target, channame ))
1814 /* naechsten Namen ermitteln */
1815 channame = strtok( NULL, "," );
1818 chan = Channel_Search( channame );
1819 assert( chan != NULL );
1821 /* Modes setzen (wenn vorhanden) */
1822 while( flags && *flags )
1824 Channel_UserModeAdd( chan, target, *flags );
1828 /* Muessen Modes an andere Server gemeldet werden? */
1829 strcpy( &modes[1], Channel_UserModes( chan, target ));
1830 if( modes[1] ) modes[0] = 0x7;
1831 else modes[0] = '\0';
1833 /* An andere Server weiterleiten */
1834 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1836 /* im Channel bekannt machen */
1837 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1840 /* Modes im Channel bekannt machen */
1841 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1844 if( Client_Type( Client ) == CLIENT_USER )
1846 /* an Client bestaetigen */
1847 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1848 /* Topic an Client schicken */
1849 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1850 /* Mitglieder an Client Melden */
1851 Send_NAMES( Client, chan );
1854 /* naechsten Namen ermitteln */
1855 channame = strtok( NULL, "," );
1861 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1866 assert( Client != NULL );
1867 assert( Req != NULL );
1869 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1871 /* Falsche Anzahl Parameter? */
1872 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1874 /* Wer ist der Absender? */
1875 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1876 else target = Client;
1877 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1879 /* Channel-Namen durchgehen */
1880 chan = strtok( Req->argv[0], "," );
1883 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1885 /* naechsten Namen ermitteln */
1886 chan = strtok( NULL, "," );
1890 /* naechsten Namen ermitteln */
1891 chan = strtok( NULL, "," );
1897 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1899 assert( Client != NULL );
1901 /* Passwort ueberpruefen */
1902 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1904 /* Falsches Passwort */
1905 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1906 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1907 return DISCONNECTED;
1910 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1912 /* Andere Server informieren */
1913 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 ));
1915 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1916 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1917 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1918 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1920 Client_SetType( Client, CLIENT_USER );
1922 return Show_MOTD( Client );
1926 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1932 assert( Client != NULL );
1934 fd = fopen( Conf_MotdFile, "r" );
1937 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1938 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1941 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1944 if( ! fgets( line, 126, fd )) break;
1945 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1946 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1952 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1960 LOCAL VOID Kill_Nick( CHAR *Nick )
1962 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1964 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1968 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1970 CHAR str[LINE_LEN + 1];
1974 assert( Client != NULL );
1975 assert( Chan != NULL );
1977 /* Alle Mitglieder suchen */
1978 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1979 cl2chan = Channel_FirstMember( Chan );
1982 cl = Channel_GetClient( cl2chan );
1984 /* Nick anhaengen */
1985 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1986 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
1987 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
1988 strcat( str, Client_ID( cl ));
1990 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1992 /* Zeile wird zu lang: senden! */
1993 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1994 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1997 /* naechstes Mitglied suchen */
1998 cl2chan = Channel_NextMember( Chan, cl2chan );
2000 if( str[strlen( str ) - 1] != ':')
2002 /* Es sind noch Daten da, die gesendet werden muessen */
2003 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2007 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));