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 1.65 2002/02/23 00:03:54 alex Exp $
17 * Revision 1.65 2002/02/23 00:03:54 alex
18 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
20 * Revision 1.64 2002/02/19 20:06:45 alex
21 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
22 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
24 * Revision 1.63 2002/02/19 02:21:17 alex
25 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
26 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
28 * Revision 1.62 2002/02/17 23:38:58 alex
29 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
31 * Revision 1.61 2002/02/17 19:03:12 alex
32 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
34 * Revision 1.60 2002/02/17 17:43:14 alex
35 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
37 * Revision 1.59 2002/02/17 17:30:21 alex
38 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
39 * - Neue Funktion IRC_WriteStrRelatedPrefix().
41 * Revision 1.58 2002/02/17 17:18:59 alex
44 * Revision 1.57 2002/02/13 23:05:29 alex
45 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
47 * Revision 1.56 2002/02/13 17:52:27 alex
48 * - es werden nun Channel- und User-Modes von Usern angenommen.
50 * Revision 1.55 2002/02/12 14:40:37 alex
51 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
53 * Revision 1.54 2002/02/11 23:33:35 alex
54 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
56 * Revision 1.53 2002/02/11 16:06:21 alex
57 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
59 * Revision 1.52 2002/02/11 15:52:21 alex
60 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
61 * - Channel-Modes wurden falsch geliefert (als User-Modes).
63 * Revision 1.51 2002/02/11 15:15:53 alex
64 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
65 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
67 * Revision 1.50 2002/02/11 01:03:20 alex
68 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
69 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
70 * angelegt wird, werden Channel-Operator, etc. pp. ...
71 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
73 * Revision 1.49 2002/02/06 16:51:22 alex
74 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
76 * Revision 1.48 2002/01/29 00:13:45 alex
77 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
78 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
79 * LINKS wieder korrekt.
81 * Revision 1.47 2002/01/28 13:05:48 alex
82 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
83 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
85 * Revision 1.46 2002/01/28 01:45:43 alex
86 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
88 * Revision 1.45 2002/01/28 01:18:14 alex
89 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
91 * Revision 1.44 2002/01/28 00:55:08 alex
92 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
94 * Revision 1.43 2002/01/27 21:56:39 alex
95 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
96 * - einige kleinere Fixes bezueglich Channels ...
98 * Revision 1.42 2002/01/27 18:28:01 alex
99 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
101 * Revision 1.41 2002/01/27 17:15:49 alex
102 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
103 * IRC_WriteStrChannelPrefix(),
104 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
106 * Revision 1.40 2002/01/26 18:43:11 alex
107 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
108 * die IRC_Write_xxx_Related() sind dafuer entfallen.
109 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
111 * Revision 1.39 2002/01/21 00:05:11 alex
112 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
113 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
114 * - diverse Aenderungen im Zusammenhang mit Channels.
116 * Revision 1.38 2002/01/18 15:31:32 alex
117 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
119 * Revision 1.37 2002/01/16 22:10:18 alex
120 * - IRC_LUSERS() implementiert.
122 * Revision 1.36 2002/01/11 23:50:55 alex
123 * - LINKS implementiert, LUSERS begonnen.
125 * Revision 1.35 2002/01/09 21:30:45 alex
126 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
128 * Revision 1.34 2002/01/09 01:09:58 alex
129 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
130 * - andere Server werden nun ueber bisherige Server und User informiert.
132 * Revision 1.33 2002/01/07 23:42:12 alex
133 * - Es werden fuer alle Server eigene Token generiert,
134 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
135 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
137 * Revision 1.32 2002/01/07 16:02:36 alex
138 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
139 * - Im Debug-Mode werden nun auch PING's protokolliert.
141 * Revision 1.31 2002/01/07 15:39:46 alex
142 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
143 * - MODE und NICK melden nun die Aenderungen an andere Server.
145 * Revision 1.30 2002/01/06 15:21:29 alex
146 * - Loglevel und Meldungen nochmals ueberarbeitet.
147 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
148 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
150 * Revision 1.29 2002/01/05 23:24:54 alex
151 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
152 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
154 * Revision 1.28 2002/01/05 20:08:02 alex
155 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
156 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
158 * Revision 1.27 2002/01/05 19:15:03 alex
159 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
161 * Revision 1.26 2002/01/05 16:51:18 alex
162 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
164 * Revision 1.25 2002/01/05 00:48:33 alex
165 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
167 * Revision 1.24 2002/01/04 17:58:44 alex
168 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
169 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
171 * Revision 1.23 2002/01/04 01:36:40 alex
172 * - Loglevel ein wenig angepasst.
174 * Revision 1.22 2002/01/04 01:21:47 alex
175 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
176 * - Weitere Anpassungen und Erweiterungen der Server-Links.
178 * Revision 1.21 2002/01/03 02:26:51 alex
179 * - neue Befehle SERVER und NJOIN begonnen,
180 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
182 * Revision 1.20 2002/01/02 12:46:41 alex
183 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
185 * Revision 1.19 2002/01/02 02:51:39 alex
186 * - Copyright-Texte angepasst.
187 * - neuer Befehl "ERROR".
189 * Revision 1.17 2001/12/31 15:33:13 alex
190 * - neuer Befehl NAMES, kleinere Bugfixes.
191 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
193 * Revision 1.16 2001/12/31 02:18:51 alex
194 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
195 * - neuen Header "defines.h" mit (fast) allen Konstanten.
196 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
198 * Revision 1.15 2001/12/30 19:26:11 alex
199 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
201 * Revision 1.14 2001/12/30 11:42:00 alex
202 * - der Server meldet nun eine ordentliche "Start-Zeit".
204 * Revision 1.13 2001/12/29 03:10:06 alex
205 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
206 * - neue configure-Optione "--enable-strict-rfc".
208 * Revision 1.12 2001/12/27 19:17:26 alex
209 * - neue Befehle PRIVMSG, NOTICE, PING.
211 * Revision 1.11 2001/12/27 16:55:41 alex
212 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
214 * Revision 1.10 2001/12/26 22:48:53 alex
215 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
217 * Revision 1.9 2001/12/26 14:45:37 alex
220 * Revision 1.8 2001/12/26 03:21:46 alex
221 * - PING/PONG-Befehle implementiert,
222 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
224 * Revision 1.7 2001/12/25 23:25:18 alex
225 * - und nochmal Aenderungen am Logging ;-)
227 * Revision 1.6 2001/12/25 23:13:33 alex
228 * - Debug-Meldungen angepasst.
230 * Revision 1.5 2001/12/25 22:02:42 alex
231 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
233 * Revision 1.4 2001/12/25 19:19:30 alex
234 * - bessere Fehler-Abfragen, diverse Bugfixes.
235 * - Nicks werden nur einmal vergeben :-)
236 * - /MOTD wird unterstuetzt.
238 * Revision 1.3 2001/12/24 01:34:06 alex
239 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
240 * - MOTD-Ausgabe begonnen zu implementieren.
242 * Revision 1.2 2001/12/23 21:57:16 alex
243 * - erste IRC-Befehle zu implementieren begonnen.
245 * Revision 1.1 2001/12/14 08:13:43 alex
246 * - neues Modul begonnen :-)
267 #include "messages.h"
275 #define CONNECTED TRUE
276 #define DISCONNECTED FALSE
279 LOCAL BOOLEAN Hello_User( CLIENT *Client );
280 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
282 LOCAL VOID Kill_Nick( CHAR *Nick );
284 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
285 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
288 GLOBAL VOID IRC_Init( VOID )
293 GLOBAL VOID IRC_Exit( VOID )
298 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
301 BOOLEAN ok = CONNECTED;
304 assert( Client != NULL );
305 assert( Format != NULL );
307 va_start( ap, Format );
308 vsnprintf( buffer, 1000, Format, ap );
311 /* an den Client selber */
312 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
315 } /* IRC_WriteStrClient */
318 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
320 /* Text an Clients, lokal bzw. remote, senden. */
325 assert( Client != NULL );
326 assert( Format != NULL );
327 assert( Prefix != NULL );
329 va_start( ap, Format );
330 vsnprintf( buffer, 1000, Format, ap );
333 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
334 } /* IRC_WriteStrClientPrefix */
337 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
342 assert( Client != NULL );
343 assert( Format != NULL );
345 va_start( ap, Format );
346 vsnprintf( buffer, 1000, Format, ap );
349 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
350 } /* IRC_WriteStrChannel */
353 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
356 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
362 assert( Client != NULL );
363 assert( Chan != NULL );
364 assert( Prefix != NULL );
365 assert( Format != NULL );
367 va_start( ap, Format );
368 vsnprintf( buffer, 1000, Format, ap );
371 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
373 /* An alle Clients, die in den selben Channels sind.
374 * Dabei aber nur einmal je Remote-Server */
375 cl2chan = Channel_FirstMember( Chan );
378 c = Channel_GetClient( cl2chan );
381 if( Client_Conn( c ) <= NONE ) c = NULL;
382 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
384 if( c ) c = Client_NextHop( c );
386 if( c && ( c != Client ))
388 /* Ok, anderer Client */
389 s = Client_Conn( c );
391 assert( s < MAX_CONNECTIONS );
394 cl2chan = Channel_NextMember( Chan, cl2chan );
398 for( i = 0; i < MAX_CONNECTIONS; i++ )
402 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
407 } /* IRC_WriteStrChannelPrefix */
410 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
415 assert( Format != NULL );
417 va_start( ap, Format );
418 vsnprintf( buffer, 1000, Format, ap );
421 /* an den Client selber */
422 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
423 } /* IRC_WriteStrServers */
426 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
432 assert( Format != NULL );
433 assert( Prefix != NULL );
435 va_start( ap, Format );
436 vsnprintf( buffer, 1000, Format, ap );
442 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
444 /* Ziel-Server gefunden */
445 IRC_WriteStrClientPrefix( c, Prefix, buffer );
447 c = Client_Next( c );
449 } /* IRC_WriteStrServersPrefix */
452 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
454 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
455 CL2CHAN *chan_cl2chan, *cl2chan;
462 assert( Client != NULL );
463 assert( Prefix != NULL );
464 assert( Format != NULL );
466 va_start( ap, Format );
467 vsnprintf( buffer, 1000, Format, ap );
471 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
473 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
474 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
475 chan_cl2chan = Channel_FirstChannelOf( Client );
476 while( chan_cl2chan )
478 /* Channel des Users durchsuchen */
479 chan = Channel_GetChannel( chan_cl2chan );
480 cl2chan = Channel_FirstMember( chan );
483 c = Channel_GetClient( cl2chan );
486 if( Client_Conn( c ) <= NONE ) c = NULL;
487 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
489 if( c ) c = Client_NextHop( c );
491 if( c && ( c != Client ))
493 /* Ok, anderer Client */
494 s = Client_Conn( c );
496 assert( s < MAX_CONNECTIONS );
499 cl2chan = Channel_NextMember( chan, cl2chan );
502 /* naechsten Channel */
503 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
507 for( i = 0; i < MAX_CONNECTIONS; i++ )
511 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
516 } /* IRC_WriteStrRelatedPrefix */
520 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
522 assert( Client != NULL );
523 assert( Req != NULL );
525 /* Fehler liefern, wenn kein lokaler Client */
526 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
528 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
530 /* noch nicht registrierte unbekannte Verbindung */
531 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
533 /* Passwort speichern */
534 Client_SetPassword( Client, Req->argv[0] );
536 Client_SetType( Client, CLIENT_GOTPASS );
539 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
541 /* noch nicht registrierte Server-Verbindung */
542 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
544 /* Passwort speichern */
545 Client_SetPassword( Client, Req->argv[0] );
547 Client_SetType( Client, CLIENT_GOTPASSSERVER );
550 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
552 /* Falsche Anzahl Parameter? */
553 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
555 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
559 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
561 CHAR str[LINE_LEN], *ptr;
562 CLIENT *from, *c, *cl;
568 assert( Client != NULL );
569 assert( Req != NULL );
571 /* Fehler liefern, wenn kein lokaler Client */
572 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
574 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
576 /* Verbindung soll als Server-Server-Verbindung registriert werden */
577 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
579 /* Falsche Anzahl Parameter? */
580 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
582 /* Ist dieser Server bei uns konfiguriert? */
583 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
584 if( i >= Conf_Server_Count )
586 /* Server ist nicht konfiguriert! */
587 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
588 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
591 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
593 /* Falsches Passwort */
594 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
595 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
599 /* Ist ein Server mit dieser ID bereits registriert? */
600 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
602 /* Server-Strukturen fuellen ;-) */
603 Client_SetID( Client, Req->argv[0] );
604 Client_SetHops( Client, 1 );
605 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
607 /* Meldet sich der Server bei uns an? */
610 /* Unseren SERVER- und PASS-Befehl senden */
612 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
613 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
616 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
619 Client_SetIntroducer( Client, Client );
620 Client_SetToken( Client, 1 );
622 else Client_SetToken( Client, atoi( Req->argv[1] ));
624 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
626 Client_SetType( Client, CLIENT_SERVER );
628 /* maximalen Hop Count ermitteln */
633 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
634 c = Client_Next( c );
637 /* Alle bisherigen Server dem neuen Server bekannt machen,
638 * die bisherigen Server ueber den neuen informierenn */
639 for( i = 0; i < ( max_hops + 1 ); i++ )
644 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
646 if( Client_Conn( c ) > NONE )
648 /* Dem gefundenen Server gleich den neuen
649 * Server bekannt machen */
650 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
653 /* Den neuen Server ueber den alten informieren */
654 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;
656 c = Client_Next( c );
660 /* alle User dem neuen Server bekannt machen */
664 if( Client_Type( c ) == CLIENT_USER )
666 /* User an neuen Server melden */
667 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;
669 c = Client_Next( c );
672 /* Channels dem neuen Server bekannt machen */
673 chan = Channel_First( );
676 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
678 /* alle Member suchen */
679 cl2chan = Channel_FirstMember( chan );
682 cl = Channel_GetClient( cl2chan );
683 assert( cl != NULL );
685 /* Nick, ggf. mit Modes, anhaengen */
686 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
687 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
688 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
689 strcat( str, Client_ID( cl ));
691 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
694 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
695 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
698 cl2chan = Channel_NextMember( chan, cl2chan );
702 if( str[strlen( str ) - 1] != ':')
704 /* Ja; Also senden ... */
705 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
708 /* naechsten Channel suchen */
709 chan = Channel_Next( chan );
714 else if( Client_Type( Client ) == CLIENT_SERVER )
716 /* Neuer Server wird im Netz angekuendigt */
718 /* Falsche Anzahl Parameter? */
719 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
721 /* Ist ein Server mit dieser ID bereits registriert? */
722 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
724 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
725 ptr = strchr( Req->argv[3] + 2, '[' );
726 if( ! ptr ) ptr = Req->argv[3];
728 from = Client_GetFromID( Req->prefix );
731 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
732 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
733 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
737 /* Neue Client-Struktur anlegen */
738 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
741 /* Neue Client-Struktur konnte nicht angelegt werden */
742 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
743 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
747 /* Log-Meldung zusammenbauen und ausgeben */
748 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
749 else strcpy( str, "" );
750 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": "" );
752 /* Andere Server informieren */
753 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
757 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
761 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
763 CHAR *channame, *ptr, modes[8];
764 BOOLEAN is_op, is_voiced;
768 assert( Client != NULL );
769 assert( Req != NULL );
771 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
773 /* Falsche Anzahl Parameter? */
774 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
776 channame = Req->argv[0];
777 ptr = strtok( Req->argv[1], "," );
780 is_op = is_voiced = FALSE;
782 /* Prefixe abschneiden */
783 while(( *ptr == '@' ) || ( *ptr == '+' ))
785 if( *ptr == '@' ) is_op = TRUE;
786 if( *ptr == '+' ) is_voiced = TRUE;
790 c = Client_GetFromID( ptr );
793 Channel_Join( c, channame );
794 chan = Channel_Search( channame );
795 assert( chan != NULL );
797 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
798 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
800 /* im Channel bekannt machen */
801 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
803 /* Channel-User-Modes setzen */
804 strcpy( modes, Channel_UserModes( chan, c ));
807 /* Modes im Channel bekannt machen */
808 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
811 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
813 /* naechsten Nick suchen */
814 ptr = strtok( NULL, "," );
817 /* an andere Server weiterleiten */
818 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
824 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
826 CLIENT *intr_c, *target, *c;
829 assert( Client != NULL );
830 assert( Req != NULL );
832 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
834 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 ))
836 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 ))
839 /* User-Registrierung bzw. Nick-Aenderung */
841 /* Falsche Anzahl Parameter? */
842 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
844 /* "Ziel-Client" ermitteln */
845 if( Client_Type( Client ) == CLIENT_SERVER )
847 target = Client_GetFromID( Req->prefix );
848 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
852 /* Ist der Client "restricted"? */
853 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
858 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
859 * wir nichts. So macht es das Original und mind. Snak hat probleme,
860 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
861 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
864 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
865 * will nur die Gross- und Kleinschreibung aendern. Das darf
866 * er natuerlich machen :-) */
867 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
869 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
872 /* Nick-Aenderung: allen mitteilen! */
874 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
875 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
876 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
878 /* Client-Nick registrieren */
879 Client_SetID( target, Req->argv[0] );
881 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
884 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
885 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
886 else Client_SetType( Client, CLIENT_GOTNICK );
888 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
892 else if( Client_Type( Client ) == CLIENT_SERVER )
894 /* Server fuehrt neuen Client ein */
896 /* Falsche Anzahl Parameter? */
897 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
899 /* Nick ueberpruefen */
900 c = Client_GetFromID( Req->argv[0] );
903 /* Der neue Nick ist auf diesem Server bereits registriert:
904 * sowohl der neue, als auch der alte Client muessen nun
905 * disconnectiert werden. */
906 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
907 Kill_Nick( Req->argv[0] );
911 /* Server, zu dem der Client connectiert ist, suchen */
912 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
915 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
916 Kill_Nick( Req->argv[0] );
920 /* Neue Client-Struktur anlegen */
921 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 );
924 /* Eine neue Client-Struktur konnte nicht angelegt werden.
925 * Der Client muss disconnectiert werden, damit der Netz-
926 * status konsistent bleibt. */
927 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
928 Kill_Nick( Req->argv[0] );
932 modes = Client_Modes( c );
933 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": "" );
934 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": "" );
936 /* Andere Server, ausser dem Introducer, informieren */
937 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] );
941 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
945 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
947 assert( Client != NULL );
948 assert( Req != NULL );
951 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
953 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
956 /* Falsche Anzahl Parameter? */
957 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
959 Client_SetUser( Client, Req->argv[0], FALSE );
960 Client_SetInfo( Client, Req->argv[3] );
962 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
963 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
964 else Client_SetType( Client, CLIENT_GOTUSER );
967 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
969 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
971 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
975 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
979 assert( Client != NULL );
980 assert( Req != NULL );
982 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
986 /* Falsche Anzahl Parameter? */
987 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
989 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
990 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
994 else if ( Client_Type( Client ) == CLIENT_SERVER )
998 /* Falsche Anzahl Parameter? */
999 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1001 target = Client_Search( Req->prefix );
1004 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1008 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1009 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1013 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1017 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1021 assert( Client != NULL );
1022 assert( Req != NULL );
1024 /* SQUIT ist nur fuer Server erlaubt */
1025 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1027 /* Falsche Anzahl Parameter? */
1028 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1030 target = Client_GetFromID( Req->argv[0] );
1033 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1037 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1038 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1040 /* SQUIT an alle Server weiterleiten */
1041 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1043 if( Client_Conn( target ) > NONE )
1045 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1046 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1047 return DISCONNECTED;
1051 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1057 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1059 CLIENT *target, *from;
1061 assert( Client != NULL );
1062 assert( Req != NULL );
1064 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1066 /* Falsche Anzahl Parameter? */
1067 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1068 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1070 if( Req->argc == 2 )
1072 /* es wurde ein Ziel-Client angegeben */
1073 target = Client_GetFromID( Req->argv[1] );
1074 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1075 if( target != Client_ThisServer( ))
1078 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1080 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1081 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1085 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1086 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1090 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1092 CLIENT *target, *from;
1094 assert( Client != NULL );
1095 assert( Req != NULL );
1097 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1099 /* Falsche Anzahl Parameter? */
1100 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1101 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1104 if( Req->argc == 2 )
1106 target = Client_GetFromID( Req->argv[1] );
1107 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1108 if( target != Client_ThisServer( ))
1111 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1113 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1114 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1118 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1119 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1121 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1122 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1128 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1130 assert( Client != NULL );
1131 assert( Req != NULL );
1133 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1135 /* Falsche Anzahl Parameter? */
1136 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1138 return Show_MOTD( Client );
1142 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1147 assert( Client != NULL );
1148 assert( Req != NULL );
1150 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1152 /* Falsche Anzahl Parameter? */
1153 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1154 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1155 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1157 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1159 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1161 to = Client_Search( Req->argv[0] );
1164 /* Okay, Ziel ist ein User */
1165 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1166 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1169 chan = Channel_Search( Req->argv[0] );
1172 /* Okay, Ziel ist ein Channel */
1173 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1174 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1177 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1181 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1185 assert( Client != NULL );
1186 assert( Req != NULL );
1188 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1190 /* Falsche Anzahl Parameter? */
1191 if( Req->argc != 2 ) return CONNECTED;
1193 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1195 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1197 to = Client_Search( Req->argv[0] );
1200 /* Okay, Ziel ist ein User */
1201 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1203 else return CONNECTED;
1207 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1209 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1210 CLIENT *cl, *chan_cl, *prefix;
1214 assert( Client != NULL );
1215 assert( Req != NULL );
1217 cl = chan_cl = prefix = NULL;
1220 /* Valider Client? */
1221 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1223 /* Keine Parameter? */
1224 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1226 /* Ziel suchen: Client bzw. Channel */
1227 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1228 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1230 /* Kein Ziel gefunden? */
1231 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1233 assert(( cl && chan ) != TRUE );
1235 /* Falsche Anzahl Parameter? */
1236 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1237 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1239 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1240 if(( chan ) && (Req->argc == 3 ))
1242 chan_cl = Client_Search( Req->argv[2] );
1243 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1246 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1247 if( Client_Type( Client ) == CLIENT_USER )
1251 /* MODE ist nur fuer sich selber zulaessig! */
1252 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1256 /* Darf der User die Channel-Modes ermitteln? */
1260 /* Werden die Modes "nur" erfragt? */
1261 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1262 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1264 mode_ptr = Req->argv[1];
1266 /* Sollen Modes gesetzt oder geloescht werden? */
1269 if( *mode_ptr == '+' ) set = TRUE;
1270 else if( *mode_ptr == '-' ) set = FALSE;
1271 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1276 if( *mode_ptr == '-' ) set = FALSE;
1278 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1281 /* Prefix fuer Antworten etc. ermitteln */
1282 if( Client_Type( Client ) == CLIENT_SERVER )
1284 prefix = Client_GetFromID( Req->prefix );
1285 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1287 else prefix = Client;
1289 /* Reply-String mit Aenderungen vorbereiten */
1290 if( set ) strcpy( the_modes, "+" );
1291 else strcpy( the_modes, "-" );
1298 if( Client_Type( Client ) == CLIENT_SERVER )
1300 /* Befehl kommt von einem Server, daher
1301 * trauen wir ihm "unbesehen" ... */
1306 /* Modes validieren */
1317 /* restricted (kann nur gesetzt werden) */
1318 if( set ) x[0] = 'r';
1319 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1322 /* operator (kann nur geloescht werden) */
1325 Client_SetOperByMe( Client, FALSE );
1328 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1331 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1332 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1338 /* Ist der User ein Channel Operator? */
1339 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1341 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1342 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1346 /* Channel-Modes oder Channel-User-Modes */
1349 /* Channel-User-Modes */
1353 /* Channel Operator */
1361 Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
1362 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1380 /* kein Schreiben in den Channel von aussen */
1400 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1401 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1410 if( ! x[0] ) continue;
1412 /* Okay, gueltigen Mode gefunden */
1415 /* Es geht um User-Modes */
1418 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1419 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1423 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1424 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1429 /* Es geht um Channel-Modes oder Channel-User-Modes */
1432 /* Channel-User-Modes */
1435 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1436 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1440 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1441 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1449 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1450 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1454 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1455 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1461 /* Wurden Modes geaendert? */
1467 if( Client_Type( Client ) == CLIENT_SERVER )
1469 /* Modes an andere Server forwarden */
1470 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1474 /* Bestaetigung an Client schicken & andere Server informieren */
1475 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1476 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1478 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1482 /* Channel-Modes oder Channel-User-Mode */
1485 /* Channel-User-Mode */
1486 if( Client_Type( Client ) == CLIENT_SERVER )
1488 /* Modes an andere Server und Channel-User forwarden */
1489 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1490 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1494 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1495 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1496 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1497 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1499 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1504 if( Client_Type( Client ) == CLIENT_SERVER )
1506 /* Modes an andere Server und Channel-User forwarden */
1507 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1508 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1512 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1513 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1514 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1515 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1517 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1526 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1530 assert( Client != NULL );
1531 assert( Req != NULL );
1533 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1535 /* Falsche Anzahl Parameter? */
1536 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1538 /* Operator suchen */
1539 for( i = 0; i < Conf_Oper_Count; i++)
1541 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1543 if( i >= Conf_Oper_Count )
1545 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1546 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1549 /* Stimmt das Passwort? */
1550 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1552 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1553 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1556 if( ! Client_HasMode( Client, 'o' ))
1558 /* noch kein o-Mode gesetzt */
1559 Client_ModeAdd( Client, 'o' );
1560 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1561 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1564 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1566 Client_SetOperByMe( Client, TRUE );
1567 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1571 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1573 assert( Client != NULL );
1574 assert( Req != NULL );
1576 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1578 /* Falsche Anzahl Parameter? */
1579 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1581 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1583 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1589 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1591 assert( Client != NULL );
1592 assert( Req != NULL );
1594 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1596 /* Falsche Anzahl Parameter? */
1597 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1599 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1601 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1602 NGIRCd_Restart = TRUE;
1607 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1609 CHAR rpl[COMMAND_LEN];
1612 assert( Client != NULL );
1613 assert( Req != NULL );
1615 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1617 /* Falsche Anzahl Parameter? */
1618 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1620 /* Noch alle User ausgeben, die in keinem Channel sind */
1622 c = Client_First( );
1625 if( Client_Type( c ) == CLIENT_USER )
1627 /* Okay, das ist ein User */
1628 strcat( rpl, Client_ID( c ));
1632 /* Antwort zu lang? Splitten. */
1633 if( strlen( rpl ) > 480 )
1635 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1636 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1640 c = Client_Next( c );
1644 /* es wurden User gefunden */
1645 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1646 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1648 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1652 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1654 CHAR rpl[COMMAND_LEN];
1659 assert( Client != NULL );
1660 assert( Req != NULL );
1662 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1664 /* Falsche Anzahl Parameter? */
1665 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1667 strcpy( rpl, RPL_ISON_MSG );
1668 for( i = 0; i < Req->argc; i++ )
1670 ptr = strtok( Req->argv[i], " " );
1674 c = Client_GetFromID( ptr );
1675 if( c && ( Client_Type( c ) == CLIENT_USER ))
1677 /* Dieser Nick ist "online" */
1681 ptr = strtok( NULL, " " );
1684 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1686 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1690 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1692 CLIENT *from, *target, *c;
1693 CHAR str[LINE_LEN + 1], *ptr = NULL;
1697 assert( Client != NULL );
1698 assert( Req != NULL );
1700 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1702 /* Falsche Anzahl Parameter? */
1703 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1706 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1707 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1709 /* Empfaenger des WHOIS suchen */
1710 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1712 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1714 /* Forwarden an anderen Server? */
1717 /* angegebenen Ziel-Server suchen */
1718 target = Client_GetFromID( Req->argv[1] );
1719 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1723 else if( Client_Conn( c ) == NONE )
1725 /* Client ist nicht von uns. Ziel-Server suchen */
1732 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 );
1734 /* Nick, User und Name */
1735 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1738 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;
1741 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1742 cl2chan = Channel_FirstChannelOf( c );
1745 chan = Channel_GetChannel( cl2chan );
1746 assert( chan != NULL );
1748 /* Channel-Name anhaengen */
1749 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1750 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1751 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1752 strcat( str, Channel_Name( chan ));
1754 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1756 /* Zeile wird zu lang: senden! */
1757 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1758 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1761 /* naechstes Mitglied suchen */
1762 cl2chan = Channel_NextChannelOf( c, cl2chan );
1764 if( str[strlen( str ) - 1] != ':')
1766 /* Es sind noch Daten da, die gesendet werden muessen */
1767 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1771 if( Client_HasMode( c, 'o' ))
1773 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1776 /* Idle (nur lokale Clients) */
1777 if( Client_Conn( c ) > NONE )
1779 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1783 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1787 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1789 CHAR rpl[COMMAND_LEN];
1793 assert( Client != NULL );
1794 assert( Req != NULL );
1796 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1798 /* Falsche Anzahl Parameter? */
1799 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1801 if( Req->argc > 5 ) max = 5;
1802 else max = Req->argc;
1804 strcpy( rpl, RPL_USERHOST_MSG );
1805 for( i = 0; i < max; i++ )
1807 c = Client_GetFromID( Req->argv[i] );
1808 if( c && ( Client_Type( c ) == CLIENT_USER ))
1810 /* Dieser Nick ist "online" */
1811 strcat( rpl, Client_ID( c ));
1812 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1814 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1815 else strcat( rpl, "+" );
1816 strcat( rpl, Client_User( c ));
1818 strcat( rpl, Client_Hostname( c ));
1822 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1824 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1825 } /* IRC_USERHOST */
1828 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1830 assert( Client != NULL );
1831 assert( Req != NULL );
1833 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1834 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1840 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1842 CLIENT *target, *from;
1844 assert( Client != NULL );
1845 assert( Req != NULL );
1847 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1849 /* Falsche Anzahl Parameter? */
1850 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1852 /* Absender ermitteln */
1853 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1855 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1857 /* An anderen Server forwarden? */
1858 if( Req->argc == 2 )
1860 target = Client_GetFromID( Req->argv[1] );
1861 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1862 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1865 /* Wer ist der Absender? */
1866 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1867 else target = Client;
1868 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1870 Send_LUSERS( target );
1876 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1878 CLIENT *target, *from, *c;
1881 assert( Client != NULL );
1882 assert( Req != NULL );
1884 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1886 /* Falsche Anzahl Parameter? */
1887 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1889 /* Server-Mask ermitteln */
1890 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1893 /* Absender ermitteln */
1894 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1896 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1898 /* An anderen Server forwarden? */
1899 if( Req->argc == 2 )
1901 target = Client_GetFromID( Req->argv[0] );
1902 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1903 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1906 /* Wer ist der Absender? */
1907 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1908 else target = Client;
1909 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1911 c = Client_First( );
1914 if( Client_Type( c ) == CLIENT_SERVER )
1916 if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
1918 c = Client_Next( c );
1921 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1925 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1927 CHAR *channame, *flags, modes[8];
1928 BOOLEAN is_new_chan;
1932 assert( Client != NULL );
1933 assert( Req != NULL );
1935 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1937 /* Falsche Anzahl Parameter? */
1938 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1940 /* Wer ist der Absender? */
1941 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1942 else target = Client;
1943 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1945 /* Channel-Namen durchgehen */
1946 channame = strtok( Req->argv[0], "," );
1949 /* wird der Channel neu angelegt? */
1952 if( Channel_Search( channame )) is_new_chan = FALSE;
1953 else is_new_chan = TRUE;
1955 /* Hat ein Server Channel-User-Modes uebergeben? */
1956 if( Client_Type( Client ) == CLIENT_SERVER )
1958 /* Channel-Flags extrahieren */
1959 flags = strchr( channame, 0x7 );
1960 if( flags ) *flags++ = '\0';
1963 /* neuer Channel udn lokaler Client? */
1964 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1966 /* Dann soll der Client Channel-Operator werden! */
1970 /* Channel joinen (und ggf. anlegen) */
1971 if( ! Channel_Join( target, channame ))
1973 /* naechsten Namen ermitteln */
1974 channame = strtok( NULL, "," );
1977 chan = Channel_Search( channame );
1978 assert( chan != NULL );
1980 /* Modes setzen (wenn vorhanden) */
1981 while( flags && *flags )
1983 Channel_UserModeAdd( chan, target, *flags );
1987 /* Muessen Modes an andere Server gemeldet werden? */
1988 strcpy( &modes[1], Channel_UserModes( chan, target ));
1989 if( modes[1] ) modes[0] = 0x7;
1990 else modes[0] = '\0';
1992 /* An andere Server weiterleiten */
1993 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1995 /* im Channel bekannt machen */
1996 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1999 /* Modes im Channel bekannt machen */
2000 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2003 if( Client_Type( Client ) == CLIENT_USER )
2005 /* an Client bestaetigen */
2006 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2007 /* Topic an Client schicken */
2008 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2009 /* Mitglieder an Client Melden */
2010 Send_NAMES( Client, chan );
2013 /* naechsten Namen ermitteln */
2014 channame = strtok( NULL, "," );
2020 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2025 assert( Client != NULL );
2026 assert( Req != NULL );
2028 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2030 /* Falsche Anzahl Parameter? */
2031 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2033 /* Wer ist der Absender? */
2034 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2035 else target = Client;
2036 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2038 /* Channel-Namen durchgehen */
2039 chan = strtok( Req->argv[0], "," );
2042 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2044 /* naechsten Namen ermitteln */
2045 chan = strtok( NULL, "," );
2049 /* naechsten Namen ermitteln */
2050 chan = strtok( NULL, "," );
2056 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2060 assert( Client != NULL );
2061 assert( Req != NULL );
2063 /* Falsche Anzahl Parameter? */
2064 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2067 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2068 else target = Client_ThisServer( );
2070 /* An anderen Server weiterleiten? */
2071 if( target != Client_ThisServer( ))
2073 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2074 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2078 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2082 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2084 assert( Client != NULL );
2086 /* Passwort ueberpruefen */
2087 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2089 /* Falsches Passwort */
2090 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2091 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2092 return DISCONNECTED;
2095 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2097 /* Andere Server informieren */
2098 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 ));
2100 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2101 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2102 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2103 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2105 Client_SetType( Client, CLIENT_USER );
2107 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2108 if( ! Show_MOTD( Client )) return DISCONNECTED;
2114 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2120 assert( Client != NULL );
2122 fd = fopen( Conf_MotdFile, "r" );
2125 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2126 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2129 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2132 if( ! fgets( line, 126, fd )) break;
2133 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2134 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2140 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2148 LOCAL VOID Kill_Nick( CHAR *Nick )
2150 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2152 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2156 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2158 CHAR str[LINE_LEN + 1];
2162 assert( Client != NULL );
2163 assert( Chan != NULL );
2165 /* Alle Mitglieder suchen */
2166 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2167 cl2chan = Channel_FirstMember( Chan );
2170 cl = Channel_GetClient( cl2chan );
2172 /* Nick anhaengen */
2173 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2174 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2175 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2176 strcat( str, Client_ID( cl ));
2178 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2180 /* Zeile wird zu lang: senden! */
2181 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2182 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2185 /* naechstes Mitglied suchen */
2186 cl2chan = Channel_NextMember( Chan, cl2chan );
2188 if( str[strlen( str ) - 1] != ':')
2190 /* Es sind noch Daten da, die gesendet werden muessen */
2191 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2195 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2201 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2205 assert( Client != NULL );
2207 /* Users, Services und Serevr im Netz */
2208 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2210 /* IRC-Operatoren im Netz */
2211 cnt = Client_OperCount( );
2214 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2217 /* Unbekannt Verbindungen */
2218 cnt = Client_UnknownCount( );
2221 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2224 /* Channels im Netz */
2225 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2227 /* Channels im Netz */
2228 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;