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 1.47 2002/01/28 13:05:48 alex Exp $
17 * Revision 1.47 2002/01/28 13:05:48 alex
18 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
19 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
21 * Revision 1.46 2002/01/28 01:45:43 alex
22 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
24 * Revision 1.45 2002/01/28 01:18:14 alex
25 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
27 * Revision 1.44 2002/01/28 00:55:08 alex
28 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
30 * Revision 1.43 2002/01/27 21:56:39 alex
31 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
32 * - einige kleinere Fixes bezueglich Channels ...
34 * Revision 1.42 2002/01/27 18:28:01 alex
35 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
37 * Revision 1.41 2002/01/27 17:15:49 alex
38 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
39 * IRC_WriteStrChannelPrefix(),
40 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
42 * Revision 1.40 2002/01/26 18:43:11 alex
43 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
44 * die IRC_Write_xxx_Related() sind dafuer entfallen.
45 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
47 * Revision 1.39 2002/01/21 00:05:11 alex
48 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
49 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
50 * - diverse Aenderungen im Zusammenhang mit Channels.
52 * Revision 1.38 2002/01/18 15:31:32 alex
53 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
55 * Revision 1.37 2002/01/16 22:10:18 alex
56 * - IRC_LUSERS() implementiert.
58 * Revision 1.36 2002/01/11 23:50:55 alex
59 * - LINKS implementiert, LUSERS begonnen.
61 * Revision 1.35 2002/01/09 21:30:45 alex
62 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
64 * Revision 1.34 2002/01/09 01:09:58 alex
65 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
66 * - andere Server werden nun ueber bisherige Server und User informiert.
68 * Revision 1.33 2002/01/07 23:42:12 alex
69 * - Es werden fuer alle Server eigene Token generiert,
70 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
71 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
73 * Revision 1.32 2002/01/07 16:02:36 alex
74 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
75 * - Im Debug-Mode werden nun auch PING's protokolliert.
77 * Revision 1.31 2002/01/07 15:39:46 alex
78 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
79 * - MODE und NICK melden nun die Aenderungen an andere Server.
81 * Revision 1.30 2002/01/06 15:21:29 alex
82 * - Loglevel und Meldungen nochmals ueberarbeitet.
83 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
84 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
86 * Revision 1.29 2002/01/05 23:24:54 alex
87 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
88 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
90 * Revision 1.28 2002/01/05 20:08:02 alex
91 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
92 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
94 * Revision 1.27 2002/01/05 19:15:03 alex
95 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
97 * Revision 1.26 2002/01/05 16:51:18 alex
98 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
100 * Revision 1.25 2002/01/05 00:48:33 alex
101 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
103 * Revision 1.24 2002/01/04 17:58:44 alex
104 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
105 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
107 * Revision 1.23 2002/01/04 01:36:40 alex
108 * - Loglevel ein wenig angepasst.
110 * Revision 1.22 2002/01/04 01:21:47 alex
111 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
112 * - Weitere Anpassungen und Erweiterungen der Server-Links.
114 * Revision 1.21 2002/01/03 02:26:51 alex
115 * - neue Befehle SERVER und NJOIN begonnen,
116 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
118 * Revision 1.20 2002/01/02 12:46:41 alex
119 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
121 * Revision 1.19 2002/01/02 02:51:39 alex
122 * - Copyright-Texte angepasst.
123 * - neuer Befehl "ERROR".
125 * Revision 1.17 2001/12/31 15:33:13 alex
126 * - neuer Befehl NAMES, kleinere Bugfixes.
127 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
129 * Revision 1.16 2001/12/31 02:18:51 alex
130 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
131 * - neuen Header "defines.h" mit (fast) allen Konstanten.
132 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
134 * Revision 1.15 2001/12/30 19:26:11 alex
135 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
137 * Revision 1.14 2001/12/30 11:42:00 alex
138 * - der Server meldet nun eine ordentliche "Start-Zeit".
140 * Revision 1.13 2001/12/29 03:10:06 alex
141 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
142 * - neue configure-Optione "--enable-strict-rfc".
144 * Revision 1.12 2001/12/27 19:17:26 alex
145 * - neue Befehle PRIVMSG, NOTICE, PING.
147 * Revision 1.11 2001/12/27 16:55:41 alex
148 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
150 * Revision 1.10 2001/12/26 22:48:53 alex
151 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
153 * Revision 1.9 2001/12/26 14:45:37 alex
156 * Revision 1.8 2001/12/26 03:21:46 alex
157 * - PING/PONG-Befehle implementiert,
158 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
160 * Revision 1.7 2001/12/25 23:25:18 alex
161 * - und nochmal Aenderungen am Logging ;-)
163 * Revision 1.6 2001/12/25 23:13:33 alex
164 * - Debug-Meldungen angepasst.
166 * Revision 1.5 2001/12/25 22:02:42 alex
167 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
169 * Revision 1.4 2001/12/25 19:19:30 alex
170 * - bessere Fehler-Abfragen, diverse Bugfixes.
171 * - Nicks werden nur einmal vergeben :-)
172 * - /MOTD wird unterstuetzt.
174 * Revision 1.3 2001/12/24 01:34:06 alex
175 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
176 * - MOTD-Ausgabe begonnen zu implementieren.
178 * Revision 1.2 2001/12/23 21:57:16 alex
179 * - erste IRC-Befehle zu implementieren begonnen.
181 * Revision 1.1 2001/12/14 08:13:43 alex
182 * - neues Modul begonnen :-)
203 #include "messages.h"
211 #define CONNECTED TRUE
212 #define DISCONNECTED FALSE
215 LOCAL BOOLEAN Hello_User( CLIENT *Client );
216 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
218 LOCAL VOID Kill_Nick( CHAR *Nick );
220 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
223 GLOBAL VOID IRC_Init( VOID )
228 GLOBAL VOID IRC_Exit( VOID )
233 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
236 BOOLEAN ok = CONNECTED;
239 assert( Client != NULL );
240 assert( Format != NULL );
242 va_start( ap, Format );
243 vsnprintf( buffer, 1000, Format, ap );
246 /* an den Client selber */
247 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
250 } /* IRC_WriteStrClient */
253 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
255 /* Text an Clients, lokal bzw. remote, senden. */
260 assert( Client != NULL );
261 assert( Format != NULL );
262 assert( Prefix != NULL );
264 va_start( ap, Format );
265 vsnprintf( buffer, 1000, Format, ap );
268 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
269 } /* IRC_WriteStrClientPrefix */
272 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
277 assert( Client != NULL );
278 assert( Format != NULL );
280 va_start( ap, Format );
281 vsnprintf( buffer, 1000, Format, ap );
284 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
285 } /* IRC_WriteStrChannel */
288 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
291 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
297 assert( Client != NULL );
298 assert( Chan != NULL );
299 assert( Prefix != NULL );
300 assert( Format != NULL );
302 va_start( ap, Format );
303 vsnprintf( buffer, 1000, Format, ap );
306 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
308 /* An alle Clients, die in den selben Channels sind.
309 * Dabei aber nur einmal je Remote-Server */
310 cl2chan = Channel_FirstMember( Chan );
313 c = Channel_GetClient( cl2chan );
316 if( Client_Conn( c ) <= NONE ) c = NULL;
317 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
319 if( c ) c = Client_NextHop( c );
321 if( c && ( c != Client ))
323 /* Ok, anderer Client */
324 s = Client_Conn( c );
326 assert( s < MAX_CONNECTIONS );
329 cl2chan = Channel_NextMember( Chan, cl2chan );
333 for( i = 0; i < MAX_CONNECTIONS; i++ )
337 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
342 } /* IRC_WriteStrChannelPrefix */
345 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
350 assert( Format != NULL );
352 va_start( ap, Format );
353 vsnprintf( buffer, 1000, Format, ap );
356 /* an den Client selber */
357 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
358 } /* IRC_WriteStrServers */
361 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
367 assert( Format != NULL );
368 assert( Prefix != NULL );
370 va_start( ap, Format );
371 vsnprintf( buffer, 1000, Format, ap );
377 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
379 /* Ziel-Server gefunden */
380 IRC_WriteStrClientPrefix( c, Prefix, buffer );
382 c = Client_Next( c );
384 } /* IRC_WriteStrServersPrefix */
387 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
389 assert( Client != NULL );
390 assert( Req != NULL );
392 /* Fehler liefern, wenn kein lokaler Client */
393 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
395 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
397 /* noch nicht registrierte unbekannte Verbindung */
398 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
400 /* Passwort speichern */
401 Client_SetPassword( Client, Req->argv[0] );
403 Client_SetType( Client, CLIENT_GOTPASS );
406 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
408 /* noch nicht registrierte Server-Verbindung */
409 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
411 /* Passwort speichern */
412 Client_SetPassword( Client, Req->argv[0] );
414 Client_SetType( Client, CLIENT_GOTPASSSERVER );
417 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
419 /* Falsche Anzahl Parameter? */
420 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
422 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
426 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
428 CHAR str[LINE_LEN], *ptr;
435 assert( Client != NULL );
436 assert( Req != NULL );
438 /* Fehler liefern, wenn kein lokaler Client */
439 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
441 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
443 /* Verbindung soll als Server-Server-Verbindung registriert werden */
444 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
446 /* Falsche Anzahl Parameter? */
447 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
449 /* Ist dieser Server bei uns konfiguriert? */
450 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
451 if( i >= Conf_Server_Count )
453 /* Server ist nicht konfiguriert! */
454 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
455 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
458 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
460 /* Falsches Passwort */
461 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
462 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
466 /* Ist ein Server mit dieser ID bereits registriert? */
467 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
469 /* Server-Strukturen fuellen ;-) */
470 Client_SetID( Client, Req->argv[0] );
471 Client_SetHops( Client, 1 );
472 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
474 /* Meldet sich der Server bei uns an? */
477 /* Unseren SERVER- und PASS-Befehl senden */
479 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
480 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
483 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
486 Client_SetIntroducer( Client, Client );
487 Client_SetToken( Client, 1 );
489 else Client_SetToken( Client, atoi( Req->argv[1] ));
491 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
493 Client_SetType( Client, CLIENT_SERVER );
495 /* maximalen Hop Count ermitteln */
500 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
501 c = Client_Next( c );
504 /* Alle bisherigen Server dem neuen Server bekannt machen,
505 * die bisherigen Server ueber den neuen informierenn */
506 for( i = 0; i < ( max_hops + 1 ); i++ )
511 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
513 if( Client_Conn( c ) > NONE )
515 /* Dem gefundenen Server gleich den neuen
516 * Server bekannt machen */
517 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
520 /* Den neuen Server ueber den alten informieren */
521 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;
523 c = Client_Next( c );
527 /* alle User dem neuen Server bekannt machen */
531 if( Client_Type( c ) == CLIENT_USER )
533 /* User an neuen Server melden */
534 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;
536 c = Client_Next( c );
539 /* Channels dem neuen Server bekannt machen */
540 chan = Channel_First( );
543 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
545 /* alle Member suchen */
546 cl2chan = Channel_FirstMember( chan );
549 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
550 strcat( str, Client_ID( Channel_GetClient( cl2chan )));
552 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
555 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
556 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
559 cl2chan = Channel_NextMember( chan, cl2chan );
563 if( str[strlen( str ) - 1] != ':')
565 /* Ja; Also senden ... */
566 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
569 /* naechsten Channel suchen */
570 chan = Channel_Next( chan );
575 else if( Client_Type( Client ) == CLIENT_SERVER )
577 /* Neuer Server wird im Netz angekuendigt */
579 /* Falsche Anzahl Parameter? */
580 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
582 /* Ist ein Server mit dieser ID bereits registriert? */
583 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
585 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
586 ptr = strchr( Req->argv[3] + 2, '[' );
587 if( ! ptr ) ptr = Req->argv[3];
589 from = Client_GetFromID( Req->prefix );
592 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
593 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
594 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
598 /* Neue Client-Struktur anlegen */
599 c = Client_NewRemoteServer( Client, Req->argv[0], atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
602 /* Neue Client-Struktur konnte nicht angelegt werden */
603 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
604 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
608 /* Log-Meldung zusammenbauen und ausgeben */
609 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
610 else strcpy( str, "" );
611 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": "" );
613 /* Andere Server informieren */
614 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
618 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
622 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
627 assert( Client != NULL );
628 assert( Req != NULL );
630 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
632 /* Falsche Anzahl Parameter? */
633 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
636 ptr = strtok( Req->argv[1], "," );
639 /* Prefixe abschneiden */
640 while(( *ptr == '@' ) || ( *ptr == '+' )) ptr++;
642 c = Client_GetFromID( ptr );
643 if( c ) Channel_Join( c, chan );
644 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, chan );
646 /* naechsten Nick suchen */
647 ptr = strtok( NULL, "," );
654 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
656 CLIENT *intr_c, *target, *c;
659 assert( Client != NULL );
660 assert( Req != NULL );
662 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
664 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 ))
666 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 ))
669 /* User-Registrierung bzw. Nick-Aenderung */
671 /* Falsche Anzahl Parameter? */
672 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
674 /* "Ziel-Client" ermitteln */
675 if( Client_Type( Client ) == CLIENT_SERVER )
677 target = Client_GetFromID( Req->prefix );
678 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
682 /* Ist der Client "restricted"? */
683 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
687 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
688 * wir nichts. So macht es das Original und mind. Snak hat probleme,
689 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
691 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
694 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
695 * will nur die Gross- und Kleinschreibung aendern. Das darf
696 * er natuerlich machen :-) */
697 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
699 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
702 if( Client_Type( Client ) == CLIENT_USER )
704 /* Nick-Aenderung: allen mitteilen! */
705 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
706 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
707 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
709 else if( Client_Type( Client ) == CLIENT_SERVER )
711 /* Nick-Aenderung: allen mitteilen! */
712 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
713 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
716 /* Client-Nick registrieren */
717 Client_SetID( target, Req->argv[0] );
719 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
722 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
723 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
724 else Client_SetType( Client, CLIENT_GOTNICK );
728 else if( Client_Type( Client ) == CLIENT_SERVER )
730 /* Server fuehrt neuen Client ein */
732 /* Falsche Anzahl Parameter? */
733 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
735 /* Nick ueberpruefen */
736 c = Client_GetFromID( Req->argv[0] );
739 /* Der neue Nick ist auf diesem Server bereits registriert:
740 * sowohl der neue, als auch der alte Client muessen nun
741 * disconnectiert werden. */
742 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
743 Kill_Nick( Req->argv[0] );
747 /* Server, zu dem der Client connectiert ist, suchen */
748 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
751 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
752 Kill_Nick( Req->argv[0] );
756 /* Neue Client-Struktur anlegen */
757 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 );
760 /* Eine neue Client-Struktur konnte nicht angelegt werden.
761 * Der Client muss disconnectiert werden, damit der Netz-
762 * status konsistent bleibt. */
763 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
764 Kill_Nick( Req->argv[0] );
768 modes = Client_Modes( c );
769 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": "" );
770 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": "" );
772 /* Andere Server, ausser dem Introducer, informieren */
773 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] );
777 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
781 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
783 assert( Client != NULL );
784 assert( Req != NULL );
787 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
789 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
792 /* Falsche Anzahl Parameter? */
793 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
795 Client_SetUser( Client, Req->argv[0], FALSE );
796 Client_SetInfo( Client, Req->argv[3] );
798 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
799 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
800 else Client_SetType( Client, CLIENT_GOTUSER );
803 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
805 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
807 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
811 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
815 assert( Client != NULL );
816 assert( Req != NULL );
818 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
822 /* Falsche Anzahl Parameter? */
823 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
825 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
826 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
830 else if ( Client_Type( Client ) == CLIENT_SERVER )
834 /* Falsche Anzahl Parameter? */
835 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
837 target = Client_Search( Req->prefix );
840 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
844 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
845 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
849 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
853 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
857 assert( Client != NULL );
858 assert( Req != NULL );
860 /* SQUIT ist nur fuer Server erlaubt */
861 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
863 /* Falsche Anzahl Parameter? */
864 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
866 target = Client_GetFromID( Req->argv[0] );
869 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
873 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
874 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
876 /* SQUIT an alle Server weiterleiten */
877 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
879 if( Client_Conn( target ) > NONE )
881 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
882 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
887 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
893 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
895 assert( Client != NULL );
896 assert( Req != NULL );
898 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
900 /* Falsche Anzahl Parameter? */
901 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
902 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
904 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
905 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
909 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
911 assert( Client != NULL );
912 assert( Req != NULL );
914 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
916 /* Falsche Anzahl Parameter? */
917 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
918 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
920 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
921 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
923 Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
928 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
930 assert( Client != NULL );
931 assert( Req != NULL );
933 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
935 /* Falsche Anzahl Parameter? */
936 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
938 return Show_MOTD( Client );
942 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
947 assert( Client != NULL );
948 assert( Req != NULL );
950 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
952 /* Falsche Anzahl Parameter? */
953 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
954 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
955 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
957 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
959 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
961 to = Client_Search( Req->argv[0] );
964 /* Okay, Ziel ist ein User */
965 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
966 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
969 chan = Channel_Search( Req->argv[0] );
972 /* Okay, Ziel ist ein Channel */
973 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
974 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
977 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
981 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
985 assert( Client != NULL );
986 assert( Req != NULL );
988 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
990 /* Falsche Anzahl Parameter? */
991 if( Req->argc != 2 ) return CONNECTED;
993 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
995 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
997 to = Client_Search( Req->argv[0] );
1000 /* Okay, Ziel ist ein User */
1001 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1003 else return CONNECTED;
1007 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1009 CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr;
1014 assert( Client != NULL );
1015 assert( Req != NULL );
1017 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1019 /* Falsche Anzahl Parameter? */
1020 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1022 /* "Ziel-Client" bzw. Channel suchen */
1024 target = Client_Search( Req->argv[0] );
1027 chan = Channel_Search( Req->argv[0] );
1030 /* Falsche Anzahl Parameter? */
1031 if( target && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1032 if( chan && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1036 /* Channel Modes kennen wir noch nicht ... */
1037 Log( LOG_DEBUG, "MODE for channel \"%s\" ignored ...", Channel_Name( chan ));
1041 /* Wer ist der Anfragende? */
1042 if( Client_Type( Client ) == CLIENT_USER )
1044 /* User: MODE ist nur fuer sich selber zulaessig */
1045 if( target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1049 /* Server: gibt es den Client ueberhaupt? */
1050 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1053 /* Werden die Modes erfragt? */
1054 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
1058 /* Sollen Modes gesetzt oder geloescht werden? */
1059 if( *ptr == '+' ) set = TRUE;
1060 else if( *ptr == '-' ) set = FALSE;
1061 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1063 /* Reply-String mit Aenderungen vorbereiten */
1064 if( set ) strcpy( new_modes, "+" );
1065 else strcpy( new_modes, "-" );
1073 if( Client_Type( Client ) == CLIENT_SERVER )
1087 /* restricted (kann nur gesetzt werden) */
1088 if( set ) x[0] = 'r';
1089 else ok = IRC_WriteStrClient( target, ERR_RESTRICTED_MSG, Client_ID( target ));
1092 /* operator (kann nur geloescht werden) */
1095 Client_SetOperByMe( target, FALSE );
1098 else ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1101 ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1108 if( ! x[0] ) continue;
1110 /* Okay, gueltigen Mode gefunden */
1113 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1114 if( Client_ModeAdd( target, x[0] )) strcat( new_modes, x );
1118 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1119 if( Client_ModeDel( target, x[0] )) strcat( new_modes, x );
1123 /* Geanderte Modes? */
1126 if( Client_Type( Client ) == CLIENT_SERVER )
1128 /* Modes an andere Server forwarden */
1129 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( target ), new_modes );
1133 /* Bestaetigung an Client schicken & andere Server informieren */
1134 ok = IRC_WriteStrClient( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1135 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1137 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( target ), Client_Modes( target ));
1143 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1147 assert( Client != NULL );
1148 assert( Req != NULL );
1150 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1152 /* Falsche Anzahl Parameter? */
1153 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1155 /* Operator suchen */
1156 for( i = 0; i < Conf_Oper_Count; i++)
1158 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1160 if( i >= Conf_Oper_Count )
1162 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1163 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1166 /* Stimmt das Passwort? */
1167 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1169 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1170 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1173 if( ! Client_HasMode( Client, 'o' ))
1175 /* noch kein o-Mode gesetzt */
1176 Client_ModeAdd( Client, 'o' );
1177 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1178 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1181 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1183 Client_SetOperByMe( Client, TRUE );
1184 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1188 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1190 assert( Client != NULL );
1191 assert( Req != NULL );
1193 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1195 /* Falsche Anzahl Parameter? */
1196 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1198 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1200 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1206 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1208 assert( Client != NULL );
1209 assert( Req != NULL );
1211 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1213 /* Falsche Anzahl Parameter? */
1214 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1216 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1218 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1219 NGIRCd_Restart = TRUE;
1224 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1226 CHAR rpl[COMMAND_LEN];
1229 assert( Client != NULL );
1230 assert( Req != NULL );
1232 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1234 /* Falsche Anzahl Parameter? */
1235 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1237 /* Noch alle User ausgeben, die in keinem Channel sind */
1239 c = Client_First( );
1242 if( Client_Type( c ) == CLIENT_USER )
1244 /* Okay, das ist ein User */
1245 strcat( rpl, Client_ID( c ));
1249 /* Antwort zu lang? Splitten. */
1250 if( strlen( rpl ) > 480 )
1252 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1253 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1257 c = Client_Next( c );
1261 /* es wurden User gefunden */
1262 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1263 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1265 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1269 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1271 CHAR rpl[COMMAND_LEN];
1276 assert( Client != NULL );
1277 assert( Req != NULL );
1279 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1281 /* Falsche Anzahl Parameter? */
1282 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1284 strcpy( rpl, RPL_ISON_MSG );
1285 for( i = 0; i < Req->argc; i++ )
1287 ptr = strtok( Req->argv[i], " " );
1291 c = Client_GetFromID( ptr );
1292 if( c && ( Client_Type( c ) == CLIENT_USER ))
1294 /* Dieser Nick ist "online" */
1298 ptr = strtok( NULL, " " );
1301 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1303 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1307 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1309 CLIENT *from, *target, *c;
1312 assert( Client != NULL );
1313 assert( Req != NULL );
1315 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1317 /* Falsche Anzahl Parameter? */
1318 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1321 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1322 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1324 /* Empfaenger des WHOIS suchen */
1325 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1327 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1329 /* Forwarden an anderen Server? */
1332 /* angegebenen Ziel-Server suchen */
1333 target = Client_GetFromID( Req->argv[1] );
1334 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1338 else if( Client_Conn( c ) == NONE )
1340 /* Client ist nicht von uns. Ziel-Server suchen */
1347 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 );
1349 /* Nick, User und Name */
1350 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1353 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;
1356 if( Client_HasMode( c, 'o' ))
1358 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1361 /* Idle (nur lokale Clients) */
1362 if( Client_Conn( c ) > NONE )
1364 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1368 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1372 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1374 CHAR rpl[COMMAND_LEN];
1378 assert( Client != NULL );
1379 assert( Req != NULL );
1381 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1383 /* Falsche Anzahl Parameter? */
1384 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1386 if( Req->argc > 5 ) max = 5;
1387 else max = Req->argc;
1389 strcpy( rpl, RPL_USERHOST_MSG );
1390 for( i = 0; i < max; i++ )
1392 c = Client_GetFromID( Req->argv[i] );
1393 if( c && ( Client_Type( c ) == CLIENT_USER ))
1395 /* Dieser Nick ist "online" */
1396 strcat( rpl, Client_ID( c ));
1397 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1399 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1400 else strcat( rpl, "+" );
1401 strcat( rpl, Client_User( c ));
1403 strcat( rpl, Client_Hostname( c ));
1407 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1409 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1410 } /* IRC_USERHOST */
1413 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1415 assert( Client != NULL );
1416 assert( Req != NULL );
1418 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1419 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1425 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1427 CLIENT *target, *from;
1430 assert( Client != NULL );
1431 assert( Req != NULL );
1433 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1435 /* Falsche Anzahl Parameter? */
1436 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1438 /* Absender ermitteln */
1439 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1441 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1443 /* An anderen Server forwarden? */
1444 if( Req->argc == 2 )
1446 target = Client_GetFromID( Req->argv[1] );
1447 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1448 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1451 /* Wer ist der Absender? */
1452 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1453 else target = Client;
1454 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1456 /* Users, Services und Serevr im Netz */
1457 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1459 /* IRC-Operatoren im Netz */
1460 cnt = Client_OperCount( );
1463 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1466 /* Unbekannt Verbindungen */
1467 cnt = Client_UnknownCount( );
1470 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1473 /* Channels im Netz */
1474 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1476 /* Channels im Netz */
1477 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1483 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1485 CLIENT *target, *from, *c;
1488 assert( Client != NULL );
1489 assert( Req != NULL );
1491 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1493 /* Falsche Anzahl Parameter? */
1494 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1496 /* Server-Mask ermitteln */
1497 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1500 /* Absender ermitteln */
1501 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1503 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1505 /* An anderen Server forwarden? */
1506 if( Req->argc == 2 )
1508 target = Client_GetFromID( Req->argv[0] );
1509 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1510 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1513 /* Wer ist der Absender? */
1514 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1515 else target = Client;
1516 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1518 c = Client_First( );
1521 if( Client_Type( c ) == CLIENT_SERVER )
1523 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;
1525 c = Client_Next( c );
1528 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1532 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1537 assert( Client != NULL );
1538 assert( Req != NULL );
1540 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1542 /* Falsche Anzahl Parameter? */
1543 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1545 /* Wer ist der Absender? */
1546 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1547 else target = Client;
1548 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1550 /* Channel-Namen durchgehen */
1551 chan = strtok( Req->argv[0], "," );
1554 if( Client_Type( Client ) == CLIENT_SERVER )
1556 /* Channel-Flags extrahieren */
1557 flags = strchr( chan, 0x7 );
1558 if( flags ) *flags++ = '\0';
1562 if( ! Channel_Join( target, chan ))
1564 /* naechsten Namen ermitteln */
1565 chan = strtok( NULL, "," );
1569 /* An andere Server weiterleiten */
1570 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s", chan );
1571 IRC_WriteStrChannelPrefix( Client, Channel_Search( chan ), target, FALSE, "JOIN :%s", chan );
1573 if( Client_Type( Client ) == CLIENT_USER )
1575 /* an Client bestaetigen */
1576 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", chan );
1577 /* Topic an Client schicken */
1578 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), chan, "What a wonderful channel!" );
1579 /* Mitglieder an Client Melden */
1580 Send_NAMES( Client, Channel_Search( chan ));
1583 /* naechsten Namen ermitteln */
1584 chan = strtok( NULL, "," );
1590 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1595 assert( Client != NULL );
1596 assert( Req != NULL );
1598 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1600 /* Falsche Anzahl Parameter? */
1601 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1603 /* Wer ist der Absender? */
1604 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1605 else target = Client;
1606 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1608 /* Channel-Namen durchgehen */
1609 chan = strtok( Req->argv[0], "," );
1612 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1614 /* naechsten Namen ermitteln */
1615 chan = strtok( NULL, "," );
1619 /* naechsten Namen ermitteln */
1620 chan = strtok( NULL, "," );
1626 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1628 assert( Client != NULL );
1630 /* Passwort ueberpruefen */
1631 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1633 /* Falsches Passwort */
1634 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1635 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1636 return DISCONNECTED;
1639 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1641 /* Andere Server informieren */
1642 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 ));
1644 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1645 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1646 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1647 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1649 Client_SetType( Client, CLIENT_USER );
1651 return Show_MOTD( Client );
1655 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1661 assert( Client != NULL );
1663 fd = fopen( Conf_MotdFile, "r" );
1666 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1667 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1670 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1673 if( ! fgets( line, 126, fd )) break;
1674 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1675 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1681 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1689 LOCAL VOID Kill_Nick( CHAR *Nick )
1691 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1693 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1697 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1699 CHAR str[LINE_LEN + 1];
1703 assert( Client != NULL );
1704 assert( Chan != NULL );
1706 /* Alle Mitglieder suchen */
1707 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1708 cl2chan = Channel_FirstMember( Chan );
1711 /* Client ermitteln */
1712 c = Channel_GetClient( cl2chan );
1714 /* Nick anhaengen */
1715 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1716 strcat( str, Client_ID( Channel_GetClient( cl2chan )));
1718 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1720 /* Zeile wird zu lang: senden! */
1721 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1722 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1725 /* naechstes Mitglied suchen */
1726 cl2chan = Channel_NextMember( Chan, cl2chan );
1728 if( str[strlen( str ) - 1] != ':')
1730 /* Es sind noch Daten da, die gesendet werden muessen */
1731 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1735 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));