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 1.46 2002/01/28 01:45:43 alex Exp $
17 * Revision 1.46 2002/01/28 01:45:43 alex
18 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
20 * Revision 1.45 2002/01/28 01:18:14 alex
21 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
23 * Revision 1.44 2002/01/28 00:55:08 alex
24 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
26 * Revision 1.43 2002/01/27 21:56:39 alex
27 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
28 * - einige kleinere Fixes bezueglich Channels ...
30 * Revision 1.42 2002/01/27 18:28:01 alex
31 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
33 * Revision 1.41 2002/01/27 17:15:49 alex
34 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
35 * IRC_WriteStrChannelPrefix(),
36 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
38 * Revision 1.40 2002/01/26 18:43:11 alex
39 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
40 * die IRC_Write_xxx_Related() sind dafuer entfallen.
41 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
43 * Revision 1.39 2002/01/21 00:05:11 alex
44 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
45 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
46 * - diverse Aenderungen im Zusammenhang mit Channels.
48 * Revision 1.38 2002/01/18 15:31:32 alex
49 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
51 * Revision 1.37 2002/01/16 22:10:18 alex
52 * - IRC_LUSERS() implementiert.
54 * Revision 1.36 2002/01/11 23:50:55 alex
55 * - LINKS implementiert, LUSERS begonnen.
57 * Revision 1.35 2002/01/09 21:30:45 alex
58 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
60 * Revision 1.34 2002/01/09 01:09:58 alex
61 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
62 * - andere Server werden nun ueber bisherige Server und User informiert.
64 * Revision 1.33 2002/01/07 23:42:12 alex
65 * - Es werden fuer alle Server eigene Token generiert,
66 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
67 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
69 * Revision 1.32 2002/01/07 16:02:36 alex
70 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
71 * - Im Debug-Mode werden nun auch PING's protokolliert.
73 * Revision 1.31 2002/01/07 15:39:46 alex
74 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
75 * - MODE und NICK melden nun die Aenderungen an andere Server.
77 * Revision 1.30 2002/01/06 15:21:29 alex
78 * - Loglevel und Meldungen nochmals ueberarbeitet.
79 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
80 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
82 * Revision 1.29 2002/01/05 23:24:54 alex
83 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
84 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
86 * Revision 1.28 2002/01/05 20:08:02 alex
87 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
88 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
90 * Revision 1.27 2002/01/05 19:15:03 alex
91 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
93 * Revision 1.26 2002/01/05 16:51:18 alex
94 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
96 * Revision 1.25 2002/01/05 00:48:33 alex
97 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
99 * Revision 1.24 2002/01/04 17:58:44 alex
100 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
101 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
103 * Revision 1.23 2002/01/04 01:36:40 alex
104 * - Loglevel ein wenig angepasst.
106 * Revision 1.22 2002/01/04 01:21:47 alex
107 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
108 * - Weitere Anpassungen und Erweiterungen der Server-Links.
110 * Revision 1.21 2002/01/03 02:26:51 alex
111 * - neue Befehle SERVER und NJOIN begonnen,
112 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
114 * Revision 1.20 2002/01/02 12:46:41 alex
115 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
117 * Revision 1.19 2002/01/02 02:51:39 alex
118 * - Copyright-Texte angepasst.
119 * - neuer Befehl "ERROR".
121 * Revision 1.17 2001/12/31 15:33:13 alex
122 * - neuer Befehl NAMES, kleinere Bugfixes.
123 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
125 * Revision 1.16 2001/12/31 02:18:51 alex
126 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
127 * - neuen Header "defines.h" mit (fast) allen Konstanten.
128 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
130 * Revision 1.15 2001/12/30 19:26:11 alex
131 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
133 * Revision 1.14 2001/12/30 11:42:00 alex
134 * - der Server meldet nun eine ordentliche "Start-Zeit".
136 * Revision 1.13 2001/12/29 03:10:06 alex
137 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
138 * - neue configure-Optione "--enable-strict-rfc".
140 * Revision 1.12 2001/12/27 19:17:26 alex
141 * - neue Befehle PRIVMSG, NOTICE, PING.
143 * Revision 1.11 2001/12/27 16:55:41 alex
144 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
146 * Revision 1.10 2001/12/26 22:48:53 alex
147 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
149 * Revision 1.9 2001/12/26 14:45:37 alex
152 * Revision 1.8 2001/12/26 03:21:46 alex
153 * - PING/PONG-Befehle implementiert,
154 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
156 * Revision 1.7 2001/12/25 23:25:18 alex
157 * - und nochmal Aenderungen am Logging ;-)
159 * Revision 1.6 2001/12/25 23:13:33 alex
160 * - Debug-Meldungen angepasst.
162 * Revision 1.5 2001/12/25 22:02:42 alex
163 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
165 * Revision 1.4 2001/12/25 19:19:30 alex
166 * - bessere Fehler-Abfragen, diverse Bugfixes.
167 * - Nicks werden nur einmal vergeben :-)
168 * - /MOTD wird unterstuetzt.
170 * Revision 1.3 2001/12/24 01:34:06 alex
171 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
172 * - MOTD-Ausgabe begonnen zu implementieren.
174 * Revision 1.2 2001/12/23 21:57:16 alex
175 * - erste IRC-Befehle zu implementieren begonnen.
177 * Revision 1.1 2001/12/14 08:13:43 alex
178 * - neues Modul begonnen :-)
199 #include "messages.h"
207 #define CONNECTED TRUE
208 #define DISCONNECTED FALSE
211 LOCAL BOOLEAN Hello_User( CLIENT *Client );
212 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
214 LOCAL VOID Kill_Nick( CHAR *Nick );
217 GLOBAL VOID IRC_Init( VOID )
222 GLOBAL VOID IRC_Exit( VOID )
227 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
230 BOOLEAN ok = CONNECTED;
233 assert( Client != NULL );
234 assert( Format != NULL );
236 va_start( ap, Format );
237 vsnprintf( buffer, 1000, Format, ap );
240 /* an den Client selber */
241 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
244 } /* IRC_WriteStrClient */
247 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
249 /* Text an Clients, lokal bzw. remote, senden. */
254 assert( Client != NULL );
255 assert( Format != NULL );
256 assert( Prefix != NULL );
258 va_start( ap, Format );
259 vsnprintf( buffer, 1000, Format, ap );
262 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
263 } /* IRC_WriteStrClientPrefix */
266 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
271 assert( Client != NULL );
272 assert( Format != NULL );
274 va_start( ap, Format );
275 vsnprintf( buffer, 1000, Format, ap );
278 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
279 } /* IRC_WriteStrChannel */
282 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
285 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
291 assert( Client != NULL );
292 assert( Chan != NULL );
293 assert( Prefix != NULL );
294 assert( Format != NULL );
296 va_start( ap, Format );
297 vsnprintf( buffer, 1000, Format, ap );
300 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
302 /* An alle Clients, die in den selben Channels sind.
303 * Dabei aber nur einmal je Remote-Server */
304 cl2chan = Channel_FirstMember( Chan );
307 c = Channel_GetClient( cl2chan );
310 if( Client_Conn( c ) <= NONE ) c = NULL;
311 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
313 if( c ) c = Client_NextHop( c );
315 if( c && ( c != Client ))
317 /* Ok, anderer Client */
318 s = Client_Conn( c );
320 assert( s < MAX_CONNECTIONS );
323 cl2chan = Channel_NextMember( Chan, cl2chan );
327 for( i = 0; i < MAX_CONNECTIONS; i++ )
331 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
336 } /* IRC_WriteStrChannelPrefix */
339 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
344 assert( Format != NULL );
346 va_start( ap, Format );
347 vsnprintf( buffer, 1000, Format, ap );
350 /* an den Client selber */
351 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
352 } /* IRC_WriteStrServers */
355 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
361 assert( Format != NULL );
362 assert( Prefix != NULL );
364 va_start( ap, Format );
365 vsnprintf( buffer, 1000, Format, ap );
371 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
373 /* Ziel-Server gefunden */
374 IRC_WriteStrClientPrefix( c, Prefix, buffer );
376 c = Client_Next( c );
378 } /* IRC_WriteStrServersPrefix */
381 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
383 assert( Client != NULL );
384 assert( Req != NULL );
386 /* Fehler liefern, wenn kein lokaler Client */
387 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
389 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
391 /* noch nicht registrierte unbekannte Verbindung */
392 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
394 /* Passwort speichern */
395 Client_SetPassword( Client, Req->argv[0] );
397 Client_SetType( Client, CLIENT_GOTPASS );
400 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
402 /* noch nicht registrierte Server-Verbindung */
403 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
405 /* Passwort speichern */
406 Client_SetPassword( Client, Req->argv[0] );
408 Client_SetType( Client, CLIENT_GOTPASSSERVER );
411 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
413 /* Falsche Anzahl Parameter? */
414 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
416 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
420 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
422 CHAR str[LINE_LEN], *ptr;
429 assert( Client != NULL );
430 assert( Req != NULL );
432 /* Fehler liefern, wenn kein lokaler Client */
433 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
435 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
437 /* Verbindung soll als Server-Server-Verbindung registriert werden */
438 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
440 /* Falsche Anzahl Parameter? */
441 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
443 /* Ist dieser Server bei uns konfiguriert? */
444 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
445 if( i >= Conf_Server_Count )
447 /* Server ist nicht konfiguriert! */
448 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
449 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
452 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
454 /* Falsches Passwort */
455 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
456 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
460 /* Ist ein Server mit dieser ID bereits registriert? */
461 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
463 /* Server-Strukturen fuellen ;-) */
464 Client_SetID( Client, Req->argv[0] );
465 Client_SetHops( Client, 1 );
466 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
468 /* Meldet sich der Server bei uns an? */
471 /* Unseren SERVER- und PASS-Befehl senden */
473 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
474 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
477 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
480 Client_SetIntroducer( Client, Client );
481 Client_SetToken( Client, 1 );
483 else Client_SetToken( Client, atoi( Req->argv[1] ));
485 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
487 Client_SetType( Client, CLIENT_SERVER );
489 /* maximalen Hop Count ermitteln */
494 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
495 c = Client_Next( c );
498 /* Alle bisherigen Server dem neuen Server bekannt machen,
499 * die bisherigen Server ueber den neuen informierenn */
500 for( i = 0; i < ( max_hops + 1 ); i++ )
505 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
507 if( Client_Conn( c ) > NONE )
509 /* Dem gefundenen Server gleich den neuen
510 * Server bekannt machen */
511 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
514 /* Den neuen Server ueber den alten informieren */
515 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;
517 c = Client_Next( c );
521 /* alle User dem neuen Server bekannt machen */
525 if( Client_Type( c ) == CLIENT_USER )
527 /* User an neuen Server melden */
528 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;
530 c = Client_Next( c );
533 /* Channels dem neuen Server bekannt machen */
534 chan = Channel_First( );
537 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
539 /* alle Member suchen */
540 cl2chan = Channel_FirstMember( chan );
543 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
544 strcat( str, Client_ID( Channel_GetClient( cl2chan )));
546 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
549 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
550 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
553 cl2chan = Channel_NextMember( chan, cl2chan );
557 if( str[strlen( str ) - 1] != ':')
559 /* Ja; Also senden ... */
560 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
563 /* naechsten Channel suchen */
564 chan = Channel_Next( chan );
569 else if( Client_Type( Client ) == CLIENT_SERVER )
571 /* Neuer Server wird im Netz angekuendigt */
573 /* Falsche Anzahl Parameter? */
574 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
576 /* Ist ein Server mit dieser ID bereits registriert? */
577 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
579 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
580 ptr = strchr( Req->argv[3] + 2, '[' );
581 if( ! ptr ) ptr = Req->argv[3];
583 from = Client_GetFromID( Req->prefix );
586 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
587 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
588 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
592 /* Neue Client-Struktur anlegen */
593 c = Client_NewRemoteServer( Client, Req->argv[0], atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
596 /* Neue Client-Struktur konnte nicht angelegt werden */
597 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
598 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
602 /* Log-Meldung zusammenbauen und ausgeben */
603 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
604 else strcpy( str, "" );
605 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": "" );
607 /* Andere Server informieren */
608 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
612 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
616 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
621 assert( Client != NULL );
622 assert( Req != NULL );
624 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
626 /* Falsche Anzahl Parameter? */
627 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
630 ptr = strtok( Req->argv[1], "," );
633 /* Prefixe abschneiden */
634 while(( *ptr == '@' ) || ( *ptr == '+' )) ptr++;
636 c = Client_GetFromID( ptr );
637 if( c ) Channel_Join( c, chan );
638 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, chan );
640 /* naechsten Nick suchen */
641 ptr = strtok( NULL, "," );
648 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
650 CLIENT *intr_c, *target, *c;
653 assert( Client != NULL );
654 assert( Req != NULL );
656 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
658 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 ))
660 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 ))
663 /* User-Registrierung bzw. Nick-Aenderung */
665 /* Falsche Anzahl Parameter? */
666 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
668 /* "Ziel-Client" ermitteln */
669 if( Client_Type( Client ) == CLIENT_SERVER )
671 target = Client_GetFromID( Req->prefix );
672 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
676 /* Ist der Client "restricted"? */
677 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
681 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
682 * wir nichts. So macht es das Original und mind. Snak hat probleme,
683 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
685 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
688 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
689 * will nur die Gross- und Kleinschreibung aendern. Das darf
690 * er natuerlich machen :-) */
691 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
693 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
696 if( Client_Type( Client ) == CLIENT_USER )
698 /* Nick-Aenderung: allen mitteilen! */
699 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
700 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
701 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
703 else if( Client_Type( Client ) == CLIENT_SERVER )
705 /* Nick-Aenderung: allen mitteilen! */
706 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
707 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
710 /* Client-Nick registrieren */
711 Client_SetID( target, Req->argv[0] );
713 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
716 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
717 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
718 else Client_SetType( Client, CLIENT_GOTNICK );
722 else if( Client_Type( Client ) == CLIENT_SERVER )
724 /* Server fuehrt neuen Client ein */
726 /* Falsche Anzahl Parameter? */
727 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
729 /* Nick ueberpruefen */
730 c = Client_GetFromID( Req->argv[0] );
733 /* Der neue Nick ist auf diesem Server bereits registriert:
734 * sowohl der neue, als auch der alte Client muessen nun
735 * disconnectiert werden. */
736 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
737 Kill_Nick( Req->argv[0] );
741 /* Server, zu dem der Client connectiert ist, suchen */
742 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
745 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
746 Kill_Nick( Req->argv[0] );
750 /* Neue Client-Struktur anlegen */
751 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 );
754 /* Eine neue Client-Struktur konnte nicht angelegt werden.
755 * Der Client muss disconnectiert werden, damit der Netz-
756 * status konsistent bleibt. */
757 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
758 Kill_Nick( Req->argv[0] );
762 modes = Client_Modes( c );
763 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": "" );
764 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": "" );
766 /* Andere Server, ausser dem Introducer, informieren */
767 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] );
771 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
775 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
777 assert( Client != NULL );
778 assert( Req != NULL );
781 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
783 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
786 /* Falsche Anzahl Parameter? */
787 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
789 Client_SetUser( Client, Req->argv[0], FALSE );
790 Client_SetInfo( Client, Req->argv[3] );
792 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
793 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
794 else Client_SetType( Client, CLIENT_GOTUSER );
797 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
799 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
801 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
805 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
809 assert( Client != NULL );
810 assert( Req != NULL );
812 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
816 /* Falsche Anzahl Parameter? */
817 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
819 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
820 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
824 else if ( Client_Type( Client ) == CLIENT_SERVER )
828 /* Falsche Anzahl Parameter? */
829 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
831 target = Client_Search( Req->prefix );
834 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
838 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
839 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
843 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
847 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
851 assert( Client != NULL );
852 assert( Req != NULL );
854 /* SQUIT ist nur fuer Server erlaubt */
855 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
857 /* Falsche Anzahl Parameter? */
858 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
860 target = Client_GetFromID( Req->argv[0] );
863 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
867 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
868 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
870 /* SQUIT an alle Server weiterleiten */
871 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
873 if( Client_Conn( target ) > NONE )
875 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
876 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
881 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
887 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
889 assert( Client != NULL );
890 assert( Req != NULL );
892 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
894 /* Falsche Anzahl Parameter? */
895 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
896 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
898 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
899 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
903 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
905 assert( Client != NULL );
906 assert( Req != NULL );
908 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
910 /* Falsche Anzahl Parameter? */
911 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
912 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
914 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
915 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
917 Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
922 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
924 assert( Client != NULL );
925 assert( Req != NULL );
927 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
929 /* Falsche Anzahl Parameter? */
930 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
932 return Show_MOTD( Client );
936 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
941 assert( Client != NULL );
942 assert( Req != NULL );
944 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
946 /* Falsche Anzahl Parameter? */
947 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
948 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
949 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
951 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
953 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
955 to = Client_Search( Req->argv[0] );
958 /* Okay, Ziel ist ein User */
959 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
960 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
963 chan = Channel_Search( Req->argv[0] );
966 /* Okay, Ziel ist ein Channel */
967 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
968 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
971 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
975 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
979 assert( Client != NULL );
980 assert( Req != NULL );
982 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
984 /* Falsche Anzahl Parameter? */
985 if( Req->argc != 2 ) return CONNECTED;
987 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
989 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
991 to = Client_Search( Req->argv[0] );
994 /* Okay, Ziel ist ein User */
995 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
997 else return CONNECTED;
1001 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1003 CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr;
1007 assert( Client != NULL );
1008 assert( Req != NULL );
1010 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1012 /* Falsche Anzahl Parameter? */
1013 if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1015 /* "Ziel-Client" suchen */
1016 target = Client_Search( Req->argv[0] );
1018 /* Wer ist der Anfragende? */
1019 if( Client_Type( Client ) == CLIENT_USER )
1021 /* User: MODE ist nur fuer sich selber zulaessig */
1022 if( target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1026 /* Server: gibt es den Client ueberhaupt? */
1027 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1030 /* Werden die Modes erfragt? */
1031 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
1035 /* Sollen Modes gesetzt oder geloescht werden? */
1036 if( *ptr == '+' ) set = TRUE;
1037 else if( *ptr == '-' ) set = FALSE;
1038 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1040 /* Reply-String mit Aenderungen vorbereiten */
1041 if( set ) strcpy( new_modes, "+" );
1042 else strcpy( new_modes, "-" );
1050 if( Client_Type( Client ) == CLIENT_SERVER )
1064 /* restricted (kann nur gesetzt werden) */
1065 if( set ) x[0] = 'r';
1066 else ok = IRC_WriteStrClient( target, ERR_RESTRICTED_MSG, Client_ID( target ));
1069 /* operator (kann nur geloescht werden) */
1072 Client_SetOperByMe( target, FALSE );
1075 else ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1078 ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1085 if( ! x[0] ) continue;
1087 /* Okay, gueltigen Mode gefunden */
1090 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1091 if( Client_ModeAdd( target, x[0] )) strcat( new_modes, x );
1095 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1096 if( Client_ModeDel( target, x[0] )) strcat( new_modes, x );
1100 /* Geanderte Modes? */
1103 if( Client_Type( Client ) == CLIENT_SERVER )
1105 /* Modes an andere Server forwarden */
1106 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( target ), new_modes );
1110 /* Bestaetigung an Client schicken & andere Server informieren */
1111 ok = IRC_WriteStrClient( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1112 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1114 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( target ), Client_Modes( target ));
1120 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1124 assert( Client != NULL );
1125 assert( Req != NULL );
1127 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1129 /* Falsche Anzahl Parameter? */
1130 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1132 /* Operator suchen */
1133 for( i = 0; i < Conf_Oper_Count; i++)
1135 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1137 if( i >= Conf_Oper_Count )
1139 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1140 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1143 /* Stimmt das Passwort? */
1144 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1146 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1147 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1150 if( ! Client_HasMode( Client, 'o' ))
1152 /* noch kein o-Mode gesetzt */
1153 Client_ModeAdd( Client, 'o' );
1154 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1155 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1158 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1160 Client_SetOperByMe( Client, TRUE );
1161 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1165 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1167 assert( Client != NULL );
1168 assert( Req != NULL );
1170 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1172 /* Falsche Anzahl Parameter? */
1173 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1175 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1177 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1183 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1185 assert( Client != NULL );
1186 assert( Req != NULL );
1188 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1190 /* Falsche Anzahl Parameter? */
1191 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1193 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1195 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1196 NGIRCd_Restart = TRUE;
1201 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1203 CHAR rpl[COMMAND_LEN];
1206 assert( Client != NULL );
1207 assert( Req != NULL );
1209 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1211 /* Falsche Anzahl Parameter? */
1212 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1214 /* Noch alle User ausgeben, die in keinem Channel sind */
1216 c = Client_First( );
1219 if( Client_Type( c ) == CLIENT_USER )
1221 /* Okay, das ist ein User */
1222 strcat( rpl, Client_ID( c ));
1226 /* Antwort zu lang? Splitten. */
1227 if( strlen( rpl ) > 480 )
1229 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1230 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1234 c = Client_Next( c );
1238 /* es wurden User gefunden */
1239 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1240 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1242 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1246 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1248 CHAR rpl[COMMAND_LEN];
1253 assert( Client != NULL );
1254 assert( Req != NULL );
1256 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1258 /* Falsche Anzahl Parameter? */
1259 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1261 strcpy( rpl, RPL_ISON_MSG );
1262 for( i = 0; i < Req->argc; i++ )
1264 ptr = strtok( Req->argv[i], " " );
1268 c = Client_GetFromID( ptr );
1269 if( c && ( Client_Type( c ) == CLIENT_USER ))
1271 /* Dieser Nick ist "online" */
1275 ptr = strtok( NULL, " " );
1278 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1280 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1284 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1286 CLIENT *from, *target, *c;
1289 assert( Client != NULL );
1290 assert( Req != NULL );
1292 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1294 /* Falsche Anzahl Parameter? */
1295 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1298 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1299 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1301 /* Empfaenger des WHOIS suchen */
1302 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1304 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1306 /* Forwarden an anderen Server? */
1309 /* angegebenen Ziel-Server suchen */
1310 target = Client_GetFromID( Req->argv[1] );
1311 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1315 else if( Client_Conn( c ) == NONE )
1317 /* Client ist nicht von uns. Ziel-Server suchen */
1324 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 );
1326 /* Nick, User und Name */
1327 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1330 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;
1333 if( Client_HasMode( c, 'o' ))
1335 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1338 /* Idle (nur lokale Clients) */
1339 if( Client_Conn( c ) > NONE )
1341 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1345 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1349 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1351 CHAR rpl[COMMAND_LEN];
1355 assert( Client != NULL );
1356 assert( Req != NULL );
1358 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1360 /* Falsche Anzahl Parameter? */
1361 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1363 if( Req->argc > 5 ) max = 5;
1364 else max = Req->argc;
1366 strcpy( rpl, RPL_USERHOST_MSG );
1367 for( i = 0; i < max; i++ )
1369 c = Client_GetFromID( Req->argv[i] );
1370 if( c && ( Client_Type( c ) == CLIENT_USER ))
1372 /* Dieser Nick ist "online" */
1373 strcat( rpl, Client_ID( c ));
1374 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1376 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1377 else strcat( rpl, "+" );
1378 strcat( rpl, Client_User( c ));
1380 strcat( rpl, Client_Hostname( c ));
1384 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1386 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1387 } /* IRC_USERHOST */
1390 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1392 assert( Client != NULL );
1393 assert( Req != NULL );
1395 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1396 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1402 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1404 CLIENT *target, *from;
1407 assert( Client != NULL );
1408 assert( Req != NULL );
1410 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1412 /* Falsche Anzahl Parameter? */
1413 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1415 /* Absender ermitteln */
1416 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1418 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1420 /* An anderen Server forwarden? */
1421 if( Req->argc == 2 )
1423 target = Client_GetFromID( Req->argv[1] );
1424 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1425 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1428 /* Wer ist der Absender? */
1429 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1430 else target = Client;
1431 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1433 /* Users, Services und Serevr im Netz */
1434 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1436 /* IRC-Operatoren im Netz */
1437 cnt = Client_OperCount( );
1440 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1443 /* Unbekannt Verbindungen */
1444 cnt = Client_UnknownCount( );
1447 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1450 /* Channels im Netz */
1451 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1453 /* Channels im Netz */
1454 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1460 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1462 CLIENT *target, *from, *c;
1465 assert( Client != NULL );
1466 assert( Req != NULL );
1468 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1470 /* Falsche Anzahl Parameter? */
1471 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1473 /* Server-Mask ermitteln */
1474 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1477 /* Absender ermitteln */
1478 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1480 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1482 /* An anderen Server forwarden? */
1483 if( Req->argc == 2 )
1485 target = Client_GetFromID( Req->argv[0] );
1486 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1487 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1490 /* Wer ist der Absender? */
1491 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1492 else target = Client;
1493 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1495 c = Client_First( );
1498 if( Client_Type( c ) == CLIENT_SERVER )
1500 if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
1502 c = Client_Next( c );
1505 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1509 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1514 assert( Client != NULL );
1515 assert( Req != NULL );
1517 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1519 /* Falsche Anzahl Parameter? */
1520 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1522 /* Wer ist der Absender? */
1523 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1524 else target = Client;
1525 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1527 /* Channel-Namen durchgehen */
1528 chan = strtok( Req->argv[0], "," );
1531 if( Client_Type( Client ) == CLIENT_SERVER )
1533 /* Channel-Flags extrahieren */
1534 flags = strchr( chan, 0x7 );
1535 if( flags ) *flags++ = '\0';
1539 if( ! Channel_Join( target, chan ))
1541 /* naechsten Namen ermitteln */
1542 chan = strtok( NULL, "," );
1546 /* An andere Server weiterleiten */
1547 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s", chan );
1548 IRC_WriteStrChannelPrefix( Client, Channel_Search( chan ), target, FALSE, "JOIN :%s", chan );
1550 if( Client_Type( Client ) == CLIENT_USER )
1552 /* an Client bestaetigen */
1553 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", chan );
1554 /* Topic an Client schicken */
1555 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), chan, "What a wonderful channel!" );
1558 /* naechsten Namen ermitteln */
1559 chan = strtok( NULL, "," );
1565 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1570 assert( Client != NULL );
1571 assert( Req != NULL );
1573 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1575 /* Falsche Anzahl Parameter? */
1576 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1578 /* Wer ist der Absender? */
1579 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1580 else target = Client;
1581 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1583 /* Channel-Namen durchgehen */
1584 chan = strtok( Req->argv[0], "," );
1587 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1589 /* naechsten Namen ermitteln */
1590 chan = strtok( NULL, "," );
1594 /* naechsten Namen ermitteln */
1595 chan = strtok( NULL, "," );
1601 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1603 assert( Client != NULL );
1605 /* Passwort ueberpruefen */
1606 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1608 /* Falsches Passwort */
1609 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1610 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1611 return DISCONNECTED;
1614 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1616 /* Andere Server informieren */
1617 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 ));
1619 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1620 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1621 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1622 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1624 Client_SetType( Client, CLIENT_USER );
1626 return Show_MOTD( Client );
1630 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1636 assert( Client != NULL );
1638 fd = fopen( Conf_MotdFile, "r" );
1641 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1642 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1645 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1648 if( ! fgets( line, 126, fd )) break;
1649 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1650 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1656 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1664 LOCAL VOID Kill_Nick( CHAR *Nick )
1666 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1668 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );