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 1.64 2002/02/19 20:06:45 alex Exp $
17 * Revision 1.64 2002/02/19 20:06:45 alex
18 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
19 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
21 * Revision 1.63 2002/02/19 02:21:17 alex
22 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
23 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
25 * Revision 1.62 2002/02/17 23:38:58 alex
26 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
28 * Revision 1.61 2002/02/17 19:03:12 alex
29 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
31 * Revision 1.60 2002/02/17 17:43:14 alex
32 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
34 * Revision 1.59 2002/02/17 17:30:21 alex
35 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
36 * - Neue Funktion IRC_WriteStrRelatedPrefix().
38 * Revision 1.58 2002/02/17 17:18:59 alex
41 * Revision 1.57 2002/02/13 23:05:29 alex
42 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
44 * Revision 1.56 2002/02/13 17:52:27 alex
45 * - es werden nun Channel- und User-Modes von Usern angenommen.
47 * Revision 1.55 2002/02/12 14:40:37 alex
48 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
50 * Revision 1.54 2002/02/11 23:33:35 alex
51 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
53 * Revision 1.53 2002/02/11 16:06:21 alex
54 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
56 * Revision 1.52 2002/02/11 15:52:21 alex
57 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
58 * - Channel-Modes wurden falsch geliefert (als User-Modes).
60 * Revision 1.51 2002/02/11 15:15:53 alex
61 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
62 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
64 * Revision 1.50 2002/02/11 01:03:20 alex
65 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
66 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
67 * angelegt wird, werden Channel-Operator, etc. pp. ...
68 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
70 * Revision 1.49 2002/02/06 16:51:22 alex
71 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
73 * Revision 1.48 2002/01/29 00:13:45 alex
74 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
75 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
76 * LINKS wieder korrekt.
78 * Revision 1.47 2002/01/28 13:05:48 alex
79 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
80 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
82 * Revision 1.46 2002/01/28 01:45:43 alex
83 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
85 * Revision 1.45 2002/01/28 01:18:14 alex
86 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
88 * Revision 1.44 2002/01/28 00:55:08 alex
89 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
91 * Revision 1.43 2002/01/27 21:56:39 alex
92 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
93 * - einige kleinere Fixes bezueglich Channels ...
95 * Revision 1.42 2002/01/27 18:28:01 alex
96 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
98 * Revision 1.41 2002/01/27 17:15:49 alex
99 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
100 * IRC_WriteStrChannelPrefix(),
101 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
103 * Revision 1.40 2002/01/26 18:43:11 alex
104 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
105 * die IRC_Write_xxx_Related() sind dafuer entfallen.
106 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
108 * Revision 1.39 2002/01/21 00:05:11 alex
109 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
110 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
111 * - diverse Aenderungen im Zusammenhang mit Channels.
113 * Revision 1.38 2002/01/18 15:31:32 alex
114 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
116 * Revision 1.37 2002/01/16 22:10:18 alex
117 * - IRC_LUSERS() implementiert.
119 * Revision 1.36 2002/01/11 23:50:55 alex
120 * - LINKS implementiert, LUSERS begonnen.
122 * Revision 1.35 2002/01/09 21:30:45 alex
123 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
125 * Revision 1.34 2002/01/09 01:09:58 alex
126 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
127 * - andere Server werden nun ueber bisherige Server und User informiert.
129 * Revision 1.33 2002/01/07 23:42:12 alex
130 * - Es werden fuer alle Server eigene Token generiert,
131 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
132 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
134 * Revision 1.32 2002/01/07 16:02:36 alex
135 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
136 * - Im Debug-Mode werden nun auch PING's protokolliert.
138 * Revision 1.31 2002/01/07 15:39:46 alex
139 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
140 * - MODE und NICK melden nun die Aenderungen an andere Server.
142 * Revision 1.30 2002/01/06 15:21:29 alex
143 * - Loglevel und Meldungen nochmals ueberarbeitet.
144 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
145 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
147 * Revision 1.29 2002/01/05 23:24:54 alex
148 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
149 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
151 * Revision 1.28 2002/01/05 20:08:02 alex
152 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
153 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
155 * Revision 1.27 2002/01/05 19:15:03 alex
156 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
158 * Revision 1.26 2002/01/05 16:51:18 alex
159 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
161 * Revision 1.25 2002/01/05 00:48:33 alex
162 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
164 * Revision 1.24 2002/01/04 17:58:44 alex
165 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
166 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
168 * Revision 1.23 2002/01/04 01:36:40 alex
169 * - Loglevel ein wenig angepasst.
171 * Revision 1.22 2002/01/04 01:21:47 alex
172 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
173 * - Weitere Anpassungen und Erweiterungen der Server-Links.
175 * Revision 1.21 2002/01/03 02:26:51 alex
176 * - neue Befehle SERVER und NJOIN begonnen,
177 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
179 * Revision 1.20 2002/01/02 12:46:41 alex
180 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
182 * Revision 1.19 2002/01/02 02:51:39 alex
183 * - Copyright-Texte angepasst.
184 * - neuer Befehl "ERROR".
186 * Revision 1.17 2001/12/31 15:33:13 alex
187 * - neuer Befehl NAMES, kleinere Bugfixes.
188 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
190 * Revision 1.16 2001/12/31 02:18:51 alex
191 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
192 * - neuen Header "defines.h" mit (fast) allen Konstanten.
193 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
195 * Revision 1.15 2001/12/30 19:26:11 alex
196 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
198 * Revision 1.14 2001/12/30 11:42:00 alex
199 * - der Server meldet nun eine ordentliche "Start-Zeit".
201 * Revision 1.13 2001/12/29 03:10:06 alex
202 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
203 * - neue configure-Optione "--enable-strict-rfc".
205 * Revision 1.12 2001/12/27 19:17:26 alex
206 * - neue Befehle PRIVMSG, NOTICE, PING.
208 * Revision 1.11 2001/12/27 16:55:41 alex
209 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
211 * Revision 1.10 2001/12/26 22:48:53 alex
212 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
214 * Revision 1.9 2001/12/26 14:45:37 alex
217 * Revision 1.8 2001/12/26 03:21:46 alex
218 * - PING/PONG-Befehle implementiert,
219 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
221 * Revision 1.7 2001/12/25 23:25:18 alex
222 * - und nochmal Aenderungen am Logging ;-)
224 * Revision 1.6 2001/12/25 23:13:33 alex
225 * - Debug-Meldungen angepasst.
227 * Revision 1.5 2001/12/25 22:02:42 alex
228 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
230 * Revision 1.4 2001/12/25 19:19:30 alex
231 * - bessere Fehler-Abfragen, diverse Bugfixes.
232 * - Nicks werden nur einmal vergeben :-)
233 * - /MOTD wird unterstuetzt.
235 * Revision 1.3 2001/12/24 01:34:06 alex
236 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
237 * - MOTD-Ausgabe begonnen zu implementieren.
239 * Revision 1.2 2001/12/23 21:57:16 alex
240 * - erste IRC-Befehle zu implementieren begonnen.
242 * Revision 1.1 2001/12/14 08:13:43 alex
243 * - neues Modul begonnen :-)
264 #include "messages.h"
272 #define CONNECTED TRUE
273 #define DISCONNECTED FALSE
276 LOCAL BOOLEAN Hello_User( CLIENT *Client );
277 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
279 LOCAL VOID Kill_Nick( CHAR *Nick );
281 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
282 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
285 GLOBAL VOID IRC_Init( VOID )
290 GLOBAL VOID IRC_Exit( VOID )
295 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
298 BOOLEAN ok = CONNECTED;
301 assert( Client != NULL );
302 assert( Format != NULL );
304 va_start( ap, Format );
305 vsnprintf( buffer, 1000, Format, ap );
308 /* an den Client selber */
309 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
312 } /* IRC_WriteStrClient */
315 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
317 /* Text an Clients, lokal bzw. remote, senden. */
322 assert( Client != NULL );
323 assert( Format != NULL );
324 assert( Prefix != NULL );
326 va_start( ap, Format );
327 vsnprintf( buffer, 1000, Format, ap );
330 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
331 } /* IRC_WriteStrClientPrefix */
334 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
339 assert( Client != NULL );
340 assert( Format != NULL );
342 va_start( ap, Format );
343 vsnprintf( buffer, 1000, Format, ap );
346 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
347 } /* IRC_WriteStrChannel */
350 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
353 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
359 assert( Client != NULL );
360 assert( Chan != NULL );
361 assert( Prefix != NULL );
362 assert( Format != NULL );
364 va_start( ap, Format );
365 vsnprintf( buffer, 1000, Format, ap );
368 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
370 /* An alle Clients, die in den selben Channels sind.
371 * Dabei aber nur einmal je Remote-Server */
372 cl2chan = Channel_FirstMember( Chan );
375 c = Channel_GetClient( cl2chan );
378 if( Client_Conn( c ) <= NONE ) c = NULL;
379 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
381 if( c ) c = Client_NextHop( c );
383 if( c && ( c != Client ))
385 /* Ok, anderer Client */
386 s = Client_Conn( c );
388 assert( s < MAX_CONNECTIONS );
391 cl2chan = Channel_NextMember( Chan, cl2chan );
395 for( i = 0; i < MAX_CONNECTIONS; i++ )
399 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
404 } /* IRC_WriteStrChannelPrefix */
407 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
412 assert( Format != NULL );
414 va_start( ap, Format );
415 vsnprintf( buffer, 1000, Format, ap );
418 /* an den Client selber */
419 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
420 } /* IRC_WriteStrServers */
423 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
429 assert( Format != NULL );
430 assert( Prefix != NULL );
432 va_start( ap, Format );
433 vsnprintf( buffer, 1000, Format, ap );
439 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
441 /* Ziel-Server gefunden */
442 IRC_WriteStrClientPrefix( c, Prefix, buffer );
444 c = Client_Next( c );
446 } /* IRC_WriteStrServersPrefix */
449 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
451 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
452 CL2CHAN *chan_cl2chan, *cl2chan;
459 assert( Client != NULL );
460 assert( Prefix != NULL );
461 assert( Format != NULL );
463 va_start( ap, Format );
464 vsnprintf( buffer, 1000, Format, ap );
468 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
470 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
471 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
472 chan_cl2chan = Channel_FirstChannelOf( Client );
473 while( chan_cl2chan )
475 /* Channel des Users durchsuchen */
476 chan = Channel_GetChannel( chan_cl2chan );
477 cl2chan = Channel_FirstMember( chan );
480 c = Channel_GetClient( cl2chan );
483 if( Client_Conn( c ) <= NONE ) c = NULL;
484 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
486 if( c ) c = Client_NextHop( c );
488 if( c && ( c != Client ))
490 /* Ok, anderer Client */
491 s = Client_Conn( c );
493 assert( s < MAX_CONNECTIONS );
496 cl2chan = Channel_NextMember( chan, cl2chan );
499 /* naechsten Channel */
500 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
504 for( i = 0; i < MAX_CONNECTIONS; i++ )
508 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
513 } /* IRC_WriteStrRelatedPrefix */
517 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
519 assert( Client != NULL );
520 assert( Req != NULL );
522 /* Fehler liefern, wenn kein lokaler Client */
523 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
525 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
527 /* noch nicht registrierte unbekannte Verbindung */
528 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
530 /* Passwort speichern */
531 Client_SetPassword( Client, Req->argv[0] );
533 Client_SetType( Client, CLIENT_GOTPASS );
536 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
538 /* noch nicht registrierte Server-Verbindung */
539 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
541 /* Passwort speichern */
542 Client_SetPassword( Client, Req->argv[0] );
544 Client_SetType( Client, CLIENT_GOTPASSSERVER );
547 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
549 /* Falsche Anzahl Parameter? */
550 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
552 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
556 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
558 CHAR str[LINE_LEN], *ptr;
559 CLIENT *from, *c, *cl;
565 assert( Client != NULL );
566 assert( Req != NULL );
568 /* Fehler liefern, wenn kein lokaler Client */
569 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
571 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
573 /* Verbindung soll als Server-Server-Verbindung registriert werden */
574 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
576 /* Falsche Anzahl Parameter? */
577 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
579 /* Ist dieser Server bei uns konfiguriert? */
580 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
581 if( i >= Conf_Server_Count )
583 /* Server ist nicht konfiguriert! */
584 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
585 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
588 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
590 /* Falsches Passwort */
591 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
592 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
596 /* Ist ein Server mit dieser ID bereits registriert? */
597 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
599 /* Server-Strukturen fuellen ;-) */
600 Client_SetID( Client, Req->argv[0] );
601 Client_SetHops( Client, 1 );
602 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
604 /* Meldet sich der Server bei uns an? */
607 /* Unseren SERVER- und PASS-Befehl senden */
609 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
610 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
613 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
616 Client_SetIntroducer( Client, Client );
617 Client_SetToken( Client, 1 );
619 else Client_SetToken( Client, atoi( Req->argv[1] ));
621 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
623 Client_SetType( Client, CLIENT_SERVER );
625 /* maximalen Hop Count ermitteln */
630 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
631 c = Client_Next( c );
634 /* Alle bisherigen Server dem neuen Server bekannt machen,
635 * die bisherigen Server ueber den neuen informierenn */
636 for( i = 0; i < ( max_hops + 1 ); i++ )
641 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
643 if( Client_Conn( c ) > NONE )
645 /* Dem gefundenen Server gleich den neuen
646 * Server bekannt machen */
647 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
650 /* Den neuen Server ueber den alten informieren */
651 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;
653 c = Client_Next( c );
657 /* alle User dem neuen Server bekannt machen */
661 if( Client_Type( c ) == CLIENT_USER )
663 /* User an neuen Server melden */
664 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;
666 c = Client_Next( c );
669 /* Channels dem neuen Server bekannt machen */
670 chan = Channel_First( );
673 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
675 /* alle Member suchen */
676 cl2chan = Channel_FirstMember( chan );
679 cl = Channel_GetClient( cl2chan );
680 assert( cl != NULL );
682 /* Nick, ggf. mit Modes, anhaengen */
683 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
684 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
685 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
686 strcat( str, Client_ID( cl ));
688 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
691 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
692 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
695 cl2chan = Channel_NextMember( chan, cl2chan );
699 if( str[strlen( str ) - 1] != ':')
701 /* Ja; Also senden ... */
702 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
705 /* naechsten Channel suchen */
706 chan = Channel_Next( chan );
711 else if( Client_Type( Client ) == CLIENT_SERVER )
713 /* Neuer Server wird im Netz angekuendigt */
715 /* Falsche Anzahl Parameter? */
716 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
718 /* Ist ein Server mit dieser ID bereits registriert? */
719 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
721 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
722 ptr = strchr( Req->argv[3] + 2, '[' );
723 if( ! ptr ) ptr = Req->argv[3];
725 from = Client_GetFromID( Req->prefix );
728 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
729 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
730 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
734 /* Neue Client-Struktur anlegen */
735 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
738 /* Neue Client-Struktur konnte nicht angelegt werden */
739 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
740 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
744 /* Log-Meldung zusammenbauen und ausgeben */
745 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
746 else strcpy( str, "" );
747 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": "" );
749 /* Andere Server informieren */
750 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
754 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
758 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
760 CHAR *channame, *ptr, modes[8];
761 BOOLEAN is_op, is_voiced;
765 assert( Client != NULL );
766 assert( Req != NULL );
768 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
770 /* Falsche Anzahl Parameter? */
771 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
773 channame = Req->argv[0];
774 ptr = strtok( Req->argv[1], "," );
777 is_op = is_voiced = FALSE;
779 /* Prefixe abschneiden */
780 while(( *ptr == '@' ) || ( *ptr == '+' ))
782 if( *ptr == '@' ) is_op = TRUE;
783 if( *ptr == '+' ) is_voiced = TRUE;
787 c = Client_GetFromID( ptr );
790 Channel_Join( c, channame );
791 chan = Channel_Search( channame );
792 assert( chan != NULL );
794 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
795 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
797 /* im Channel bekannt machen */
798 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
800 /* Channel-User-Modes setzen */
801 strcpy( modes, Channel_UserModes( chan, c ));
804 /* Modes im Channel bekannt machen */
805 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
808 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
810 /* naechsten Nick suchen */
811 ptr = strtok( NULL, "," );
814 /* an andere Server weiterleiten */
815 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
821 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
823 CLIENT *intr_c, *target, *c;
826 assert( Client != NULL );
827 assert( Req != NULL );
829 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
831 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 ))
833 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 ))
836 /* User-Registrierung bzw. Nick-Aenderung */
838 /* Falsche Anzahl Parameter? */
839 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
841 /* "Ziel-Client" ermitteln */
842 if( Client_Type( Client ) == CLIENT_SERVER )
844 target = Client_GetFromID( Req->prefix );
845 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
849 /* Ist der Client "restricted"? */
850 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
855 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
856 * wir nichts. So macht es das Original und mind. Snak hat probleme,
857 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
858 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
861 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
862 * will nur die Gross- und Kleinschreibung aendern. Das darf
863 * er natuerlich machen :-) */
864 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
866 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
869 /* Nick-Aenderung: allen mitteilen! */
871 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
872 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
873 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
875 /* Client-Nick registrieren */
876 Client_SetID( target, Req->argv[0] );
878 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
881 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
882 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
883 else Client_SetType( Client, CLIENT_GOTNICK );
885 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
889 else if( Client_Type( Client ) == CLIENT_SERVER )
891 /* Server fuehrt neuen Client ein */
893 /* Falsche Anzahl Parameter? */
894 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
896 /* Nick ueberpruefen */
897 c = Client_GetFromID( Req->argv[0] );
900 /* Der neue Nick ist auf diesem Server bereits registriert:
901 * sowohl der neue, als auch der alte Client muessen nun
902 * disconnectiert werden. */
903 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
904 Kill_Nick( Req->argv[0] );
908 /* Server, zu dem der Client connectiert ist, suchen */
909 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
912 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
913 Kill_Nick( Req->argv[0] );
917 /* Neue Client-Struktur anlegen */
918 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 );
921 /* Eine neue Client-Struktur konnte nicht angelegt werden.
922 * Der Client muss disconnectiert werden, damit der Netz-
923 * status konsistent bleibt. */
924 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
925 Kill_Nick( Req->argv[0] );
929 modes = Client_Modes( c );
930 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": "" );
931 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": "" );
933 /* Andere Server, ausser dem Introducer, informieren */
934 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] );
938 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
942 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
944 assert( Client != NULL );
945 assert( Req != NULL );
948 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
950 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
953 /* Falsche Anzahl Parameter? */
954 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
956 Client_SetUser( Client, Req->argv[0], FALSE );
957 Client_SetInfo( Client, Req->argv[3] );
959 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
960 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
961 else Client_SetType( Client, CLIENT_GOTUSER );
964 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
966 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
968 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
972 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
976 assert( Client != NULL );
977 assert( Req != NULL );
979 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
983 /* Falsche Anzahl Parameter? */
984 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
986 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
987 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
991 else if ( Client_Type( Client ) == CLIENT_SERVER )
995 /* Falsche Anzahl Parameter? */
996 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
998 target = Client_Search( Req->prefix );
1001 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1005 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1006 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1010 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1014 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1018 assert( Client != NULL );
1019 assert( Req != NULL );
1021 /* SQUIT ist nur fuer Server erlaubt */
1022 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1024 /* Falsche Anzahl Parameter? */
1025 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1027 target = Client_GetFromID( Req->argv[0] );
1030 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1034 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1035 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1037 /* SQUIT an alle Server weiterleiten */
1038 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1040 if( Client_Conn( target ) > NONE )
1042 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1043 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1044 return DISCONNECTED;
1048 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1054 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1056 CLIENT *target, *from;
1058 assert( Client != NULL );
1059 assert( Req != NULL );
1061 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1063 /* Falsche Anzahl Parameter? */
1064 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1065 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1067 if( Req->argc == 2 )
1069 /* es wurde ein Ziel-Client angegeben */
1070 target = Client_GetFromID( Req->argv[1] );
1071 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1072 if( target != Client_ThisServer( ))
1075 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1077 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1078 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1082 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1083 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1087 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1089 CLIENT *target, *from;
1091 assert( Client != NULL );
1092 assert( Req != NULL );
1094 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1096 /* Falsche Anzahl Parameter? */
1097 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1098 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1101 if( Req->argc == 2 )
1103 target = Client_GetFromID( Req->argv[1] );
1104 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1105 if( target != Client_ThisServer( ))
1108 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1110 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1111 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1115 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1116 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1118 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %d seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1119 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1125 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1127 assert( Client != NULL );
1128 assert( Req != NULL );
1130 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1132 /* Falsche Anzahl Parameter? */
1133 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1135 return Show_MOTD( Client );
1139 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1144 assert( Client != NULL );
1145 assert( Req != NULL );
1147 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1149 /* Falsche Anzahl Parameter? */
1150 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1151 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1152 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1154 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1156 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1158 to = Client_Search( Req->argv[0] );
1161 /* Okay, Ziel ist ein User */
1162 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1163 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1166 chan = Channel_Search( Req->argv[0] );
1169 /* Okay, Ziel ist ein Channel */
1170 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1171 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1174 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1178 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1182 assert( Client != NULL );
1183 assert( Req != NULL );
1185 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1187 /* Falsche Anzahl Parameter? */
1188 if( Req->argc != 2 ) return CONNECTED;
1190 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1192 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1194 to = Client_Search( Req->argv[0] );
1197 /* Okay, Ziel ist ein User */
1198 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1200 else return CONNECTED;
1204 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1206 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1207 CLIENT *cl, *chan_cl, *prefix;
1211 assert( Client != NULL );
1212 assert( Req != NULL );
1214 cl = chan_cl = prefix = NULL;
1217 /* Valider Client? */
1218 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1220 /* Keine Parameter? */
1221 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1223 /* Ziel suchen: Client bzw. Channel */
1224 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1225 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1227 /* Kein Ziel gefunden? */
1228 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1230 assert(( cl && chan ) != TRUE );
1232 /* Falsche Anzahl Parameter? */
1233 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1234 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1236 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1237 if(( chan ) && (Req->argc == 3 ))
1239 chan_cl = Client_Search( Req->argv[2] );
1240 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1243 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1244 if( Client_Type( Client ) == CLIENT_USER )
1248 /* MODE ist nur fuer sich selber zulaessig! */
1249 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1253 /* Darf der User die Channel-Modes ermitteln? */
1257 /* Werden die Modes "nur" erfragt? */
1258 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1259 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1261 mode_ptr = Req->argv[1];
1263 /* Sollen Modes gesetzt oder geloescht werden? */
1266 if( *mode_ptr == '+' ) set = TRUE;
1267 else if( *mode_ptr == '-' ) set = FALSE;
1268 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1273 if( *mode_ptr == '-' ) set = FALSE;
1275 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1278 /* Prefix fuer Antworten etc. ermitteln */
1279 if( Client_Type( Client ) == CLIENT_SERVER )
1281 prefix = Client_GetFromID( Req->prefix );
1282 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1284 else prefix = Client;
1286 /* Reply-String mit Aenderungen vorbereiten */
1287 if( set ) strcpy( the_modes, "+" );
1288 else strcpy( the_modes, "-" );
1295 if( Client_Type( Client ) == CLIENT_SERVER )
1297 /* Befehl kommt von einem Server, daher
1298 * trauen wir ihm "unbesehen" ... */
1303 /* Modes validieren */
1314 /* restricted (kann nur gesetzt werden) */
1315 if( set ) x[0] = 'r';
1316 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1319 /* operator (kann nur geloescht werden) */
1322 Client_SetOperByMe( Client, FALSE );
1325 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1328 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1329 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1335 /* Ist der User ein Channel Operator? */
1336 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1338 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1339 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1343 /* Channel-Modes oder Channel-User-Modes */
1346 /* Channel-User-Modes */
1350 /* Channel Operator */
1358 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 ));
1359 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1377 /* kein Schreiben in den Channel von aussen */
1397 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1398 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1407 if( ! x[0] ) continue;
1409 /* Okay, gueltigen Mode gefunden */
1412 /* Es geht um User-Modes */
1415 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1416 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1420 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1421 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1426 /* Es geht um Channel-Modes oder Channel-User-Modes */
1429 /* Channel-User-Modes */
1432 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1433 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1437 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1438 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1446 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1447 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1451 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1452 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1458 /* Wurden Modes geaendert? */
1464 if( Client_Type( Client ) == CLIENT_SERVER )
1466 /* Modes an andere Server forwarden */
1467 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1471 /* Bestaetigung an Client schicken & andere Server informieren */
1472 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1473 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1475 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1479 /* Channel-Modes oder Channel-User-Mode */
1482 /* Channel-User-Mode */
1483 if( Client_Type( Client ) == CLIENT_SERVER )
1485 /* Modes an andere Server und Channel-User forwarden */
1486 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1487 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1491 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1492 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1493 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1494 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1496 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1501 if( Client_Type( Client ) == CLIENT_SERVER )
1503 /* Modes an andere Server und Channel-User forwarden */
1504 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1505 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1509 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1510 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1511 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1512 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1514 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1523 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1527 assert( Client != NULL );
1528 assert( Req != NULL );
1530 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1532 /* Falsche Anzahl Parameter? */
1533 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1535 /* Operator suchen */
1536 for( i = 0; i < Conf_Oper_Count; i++)
1538 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1540 if( i >= Conf_Oper_Count )
1542 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1543 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1546 /* Stimmt das Passwort? */
1547 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1549 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1550 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1553 if( ! Client_HasMode( Client, 'o' ))
1555 /* noch kein o-Mode gesetzt */
1556 Client_ModeAdd( Client, 'o' );
1557 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1558 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1561 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1563 Client_SetOperByMe( Client, TRUE );
1564 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1568 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1570 assert( Client != NULL );
1571 assert( Req != NULL );
1573 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1575 /* Falsche Anzahl Parameter? */
1576 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1578 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1580 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1586 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1588 assert( Client != NULL );
1589 assert( Req != NULL );
1591 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1593 /* Falsche Anzahl Parameter? */
1594 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1596 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1598 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1599 NGIRCd_Restart = TRUE;
1604 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1606 CHAR rpl[COMMAND_LEN];
1609 assert( Client != NULL );
1610 assert( Req != NULL );
1612 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1614 /* Falsche Anzahl Parameter? */
1615 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1617 /* Noch alle User ausgeben, die in keinem Channel sind */
1619 c = Client_First( );
1622 if( Client_Type( c ) == CLIENT_USER )
1624 /* Okay, das ist ein User */
1625 strcat( rpl, Client_ID( c ));
1629 /* Antwort zu lang? Splitten. */
1630 if( strlen( rpl ) > 480 )
1632 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1633 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1637 c = Client_Next( c );
1641 /* es wurden User gefunden */
1642 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1643 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1645 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1649 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1651 CHAR rpl[COMMAND_LEN];
1656 assert( Client != NULL );
1657 assert( Req != NULL );
1659 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1661 /* Falsche Anzahl Parameter? */
1662 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1664 strcpy( rpl, RPL_ISON_MSG );
1665 for( i = 0; i < Req->argc; i++ )
1667 ptr = strtok( Req->argv[i], " " );
1671 c = Client_GetFromID( ptr );
1672 if( c && ( Client_Type( c ) == CLIENT_USER ))
1674 /* Dieser Nick ist "online" */
1678 ptr = strtok( NULL, " " );
1681 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1683 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1687 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1689 CLIENT *from, *target, *c;
1690 CHAR str[LINE_LEN + 1], *ptr = NULL;
1694 assert( Client != NULL );
1695 assert( Req != NULL );
1697 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1699 /* Falsche Anzahl Parameter? */
1700 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1703 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1704 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1706 /* Empfaenger des WHOIS suchen */
1707 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1709 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1711 /* Forwarden an anderen Server? */
1714 /* angegebenen Ziel-Server suchen */
1715 target = Client_GetFromID( Req->argv[1] );
1716 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1720 else if( Client_Conn( c ) == NONE )
1722 /* Client ist nicht von uns. Ziel-Server suchen */
1729 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 );
1731 /* Nick, User und Name */
1732 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1735 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;
1738 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1739 cl2chan = Channel_FirstChannelOf( c );
1742 chan = Channel_GetChannel( cl2chan );
1743 assert( chan != NULL );
1745 /* Channel-Name anhaengen */
1746 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1747 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1748 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1749 strcat( str, Channel_Name( chan ));
1751 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1753 /* Zeile wird zu lang: senden! */
1754 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1755 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1758 /* naechstes Mitglied suchen */
1759 cl2chan = Channel_NextChannelOf( c, cl2chan );
1761 if( str[strlen( str ) - 1] != ':')
1763 /* Es sind noch Daten da, die gesendet werden muessen */
1764 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1768 if( Client_HasMode( c, 'o' ))
1770 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1773 /* Idle (nur lokale Clients) */
1774 if( Client_Conn( c ) > NONE )
1776 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1780 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1784 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1786 CHAR rpl[COMMAND_LEN];
1790 assert( Client != NULL );
1791 assert( Req != NULL );
1793 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1795 /* Falsche Anzahl Parameter? */
1796 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1798 if( Req->argc > 5 ) max = 5;
1799 else max = Req->argc;
1801 strcpy( rpl, RPL_USERHOST_MSG );
1802 for( i = 0; i < max; i++ )
1804 c = Client_GetFromID( Req->argv[i] );
1805 if( c && ( Client_Type( c ) == CLIENT_USER ))
1807 /* Dieser Nick ist "online" */
1808 strcat( rpl, Client_ID( c ));
1809 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1811 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1812 else strcat( rpl, "+" );
1813 strcat( rpl, Client_User( c ));
1815 strcat( rpl, Client_Hostname( c ));
1819 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1821 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1822 } /* IRC_USERHOST */
1825 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1827 assert( Client != NULL );
1828 assert( Req != NULL );
1830 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1831 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1837 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1839 CLIENT *target, *from;
1841 assert( Client != NULL );
1842 assert( Req != NULL );
1844 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1846 /* Falsche Anzahl Parameter? */
1847 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1849 /* Absender ermitteln */
1850 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1852 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1854 /* An anderen Server forwarden? */
1855 if( Req->argc == 2 )
1857 target = Client_GetFromID( Req->argv[1] );
1858 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1859 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1862 /* Wer ist der Absender? */
1863 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1864 else target = Client;
1865 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1867 Send_LUSERS( target );
1873 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1875 CLIENT *target, *from, *c;
1878 assert( Client != NULL );
1879 assert( Req != NULL );
1881 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1883 /* Falsche Anzahl Parameter? */
1884 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1886 /* Server-Mask ermitteln */
1887 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1890 /* Absender ermitteln */
1891 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1893 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1895 /* An anderen Server forwarden? */
1896 if( Req->argc == 2 )
1898 target = Client_GetFromID( Req->argv[0] );
1899 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1900 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1903 /* Wer ist der Absender? */
1904 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1905 else target = Client;
1906 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1908 c = Client_First( );
1911 if( Client_Type( c ) == CLIENT_SERVER )
1913 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;
1915 c = Client_Next( c );
1918 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1922 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1924 CHAR *channame, *flags, modes[8];
1925 BOOLEAN is_new_chan;
1929 assert( Client != NULL );
1930 assert( Req != NULL );
1932 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1934 /* Falsche Anzahl Parameter? */
1935 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1937 /* Wer ist der Absender? */
1938 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1939 else target = Client;
1940 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1942 /* Channel-Namen durchgehen */
1943 channame = strtok( Req->argv[0], "," );
1946 /* wird der Channel neu angelegt? */
1949 if( Channel_Search( channame )) is_new_chan = FALSE;
1950 else is_new_chan = TRUE;
1952 /* Hat ein Server Channel-User-Modes uebergeben? */
1953 if( Client_Type( Client ) == CLIENT_SERVER )
1955 /* Channel-Flags extrahieren */
1956 flags = strchr( channame, 0x7 );
1957 if( flags ) *flags++ = '\0';
1960 /* neuer Channel udn lokaler Client? */
1961 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1963 /* Dann soll der Client Channel-Operator werden! */
1967 /* Channel joinen (und ggf. anlegen) */
1968 if( ! Channel_Join( target, channame ))
1970 /* naechsten Namen ermitteln */
1971 channame = strtok( NULL, "," );
1974 chan = Channel_Search( channame );
1975 assert( chan != NULL );
1977 /* Modes setzen (wenn vorhanden) */
1978 while( flags && *flags )
1980 Channel_UserModeAdd( chan, target, *flags );
1984 /* Muessen Modes an andere Server gemeldet werden? */
1985 strcpy( &modes[1], Channel_UserModes( chan, target ));
1986 if( modes[1] ) modes[0] = 0x7;
1987 else modes[0] = '\0';
1989 /* An andere Server weiterleiten */
1990 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1992 /* im Channel bekannt machen */
1993 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1996 /* Modes im Channel bekannt machen */
1997 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2000 if( Client_Type( Client ) == CLIENT_USER )
2002 /* an Client bestaetigen */
2003 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2004 /* Topic an Client schicken */
2005 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2006 /* Mitglieder an Client Melden */
2007 Send_NAMES( Client, chan );
2010 /* naechsten Namen ermitteln */
2011 channame = strtok( NULL, "," );
2017 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2022 assert( Client != NULL );
2023 assert( Req != NULL );
2025 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2027 /* Falsche Anzahl Parameter? */
2028 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2030 /* Wer ist der Absender? */
2031 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2032 else target = Client;
2033 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2035 /* Channel-Namen durchgehen */
2036 chan = strtok( Req->argv[0], "," );
2039 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2041 /* naechsten Namen ermitteln */
2042 chan = strtok( NULL, "," );
2046 /* naechsten Namen ermitteln */
2047 chan = strtok( NULL, "," );
2053 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2057 assert( Client != NULL );
2058 assert( Req != NULL );
2060 /* Falsche Anzahl Parameter? */
2061 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2064 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2065 else target = Client_ThisServer( );
2067 /* An anderen Server weiterleiten? */
2068 if( target != Client_ThisServer( ))
2070 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2071 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2075 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2079 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2081 assert( Client != NULL );
2083 /* Passwort ueberpruefen */
2084 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2086 /* Falsches Passwort */
2087 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2088 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2089 return DISCONNECTED;
2092 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2094 /* Andere Server informieren */
2095 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 ));
2097 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2098 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2099 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2100 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2102 Client_SetType( Client, CLIENT_USER );
2104 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2105 if( ! Show_MOTD( Client )) return DISCONNECTED;
2111 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2117 assert( Client != NULL );
2119 fd = fopen( Conf_MotdFile, "r" );
2122 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2123 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2126 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2129 if( ! fgets( line, 126, fd )) break;
2130 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2131 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2137 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2145 LOCAL VOID Kill_Nick( CHAR *Nick )
2147 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2149 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2153 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2155 CHAR str[LINE_LEN + 1];
2159 assert( Client != NULL );
2160 assert( Chan != NULL );
2162 /* Alle Mitglieder suchen */
2163 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2164 cl2chan = Channel_FirstMember( Chan );
2167 cl = Channel_GetClient( cl2chan );
2169 /* Nick anhaengen */
2170 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2171 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2172 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2173 strcat( str, Client_ID( cl ));
2175 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2177 /* Zeile wird zu lang: senden! */
2178 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2179 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2182 /* naechstes Mitglied suchen */
2183 cl2chan = Channel_NextMember( Chan, cl2chan );
2185 if( str[strlen( str ) - 1] != ':')
2187 /* Es sind noch Daten da, die gesendet werden muessen */
2188 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2192 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2198 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2202 assert( Client != NULL );
2204 /* Users, Services und Serevr im Netz */
2205 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2207 /* IRC-Operatoren im Netz */
2208 cnt = Client_OperCount( );
2211 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2214 /* Unbekannt Verbindungen */
2215 cnt = Client_UnknownCount( );
2218 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2221 /* Channels im Netz */
2222 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2224 /* Channels im Netz */
2225 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;