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 1.61 2002/02/17 19:03:12 alex Exp $
17 * Revision 1.61 2002/02/17 19:03:12 alex
18 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
20 * Revision 1.60 2002/02/17 17:43:14 alex
21 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
23 * Revision 1.59 2002/02/17 17:30:21 alex
24 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
25 * - Neue Funktion IRC_WriteStrRelatedPrefix().
27 * Revision 1.58 2002/02/17 17:18:59 alex
30 * Revision 1.57 2002/02/13 23:05:29 alex
31 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
33 * Revision 1.56 2002/02/13 17:52:27 alex
34 * - es werden nun Channel- und User-Modes von Usern angenommen.
36 * Revision 1.55 2002/02/12 14:40:37 alex
37 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
39 * Revision 1.54 2002/02/11 23:33:35 alex
40 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
42 * Revision 1.53 2002/02/11 16:06:21 alex
43 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
45 * Revision 1.52 2002/02/11 15:52:21 alex
46 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
47 * - Channel-Modes wurden falsch geliefert (als User-Modes).
49 * Revision 1.51 2002/02/11 15:15:53 alex
50 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
51 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
53 * Revision 1.50 2002/02/11 01:03:20 alex
54 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
55 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
56 * angelegt wird, werden Channel-Operator, etc. pp. ...
57 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
59 * Revision 1.49 2002/02/06 16:51:22 alex
60 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
62 * Revision 1.48 2002/01/29 00:13:45 alex
63 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
64 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
65 * LINKS wieder korrekt.
67 * Revision 1.47 2002/01/28 13:05:48 alex
68 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
69 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
71 * Revision 1.46 2002/01/28 01:45:43 alex
72 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
74 * Revision 1.45 2002/01/28 01:18:14 alex
75 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
77 * Revision 1.44 2002/01/28 00:55:08 alex
78 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
80 * Revision 1.43 2002/01/27 21:56:39 alex
81 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
82 * - einige kleinere Fixes bezueglich Channels ...
84 * Revision 1.42 2002/01/27 18:28:01 alex
85 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
87 * Revision 1.41 2002/01/27 17:15:49 alex
88 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
89 * IRC_WriteStrChannelPrefix(),
90 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
92 * Revision 1.40 2002/01/26 18:43:11 alex
93 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
94 * die IRC_Write_xxx_Related() sind dafuer entfallen.
95 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
97 * Revision 1.39 2002/01/21 00:05:11 alex
98 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
99 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
100 * - diverse Aenderungen im Zusammenhang mit Channels.
102 * Revision 1.38 2002/01/18 15:31:32 alex
103 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
105 * Revision 1.37 2002/01/16 22:10:18 alex
106 * - IRC_LUSERS() implementiert.
108 * Revision 1.36 2002/01/11 23:50:55 alex
109 * - LINKS implementiert, LUSERS begonnen.
111 * Revision 1.35 2002/01/09 21:30:45 alex
112 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
114 * Revision 1.34 2002/01/09 01:09:58 alex
115 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
116 * - andere Server werden nun ueber bisherige Server und User informiert.
118 * Revision 1.33 2002/01/07 23:42:12 alex
119 * - Es werden fuer alle Server eigene Token generiert,
120 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
121 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
123 * Revision 1.32 2002/01/07 16:02:36 alex
124 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
125 * - Im Debug-Mode werden nun auch PING's protokolliert.
127 * Revision 1.31 2002/01/07 15:39:46 alex
128 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
129 * - MODE und NICK melden nun die Aenderungen an andere Server.
131 * Revision 1.30 2002/01/06 15:21:29 alex
132 * - Loglevel und Meldungen nochmals ueberarbeitet.
133 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
134 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
136 * Revision 1.29 2002/01/05 23:24:54 alex
137 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
138 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
140 * Revision 1.28 2002/01/05 20:08:02 alex
141 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
142 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
144 * Revision 1.27 2002/01/05 19:15:03 alex
145 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
147 * Revision 1.26 2002/01/05 16:51:18 alex
148 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
150 * Revision 1.25 2002/01/05 00:48:33 alex
151 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
153 * Revision 1.24 2002/01/04 17:58:44 alex
154 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
155 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
157 * Revision 1.23 2002/01/04 01:36:40 alex
158 * - Loglevel ein wenig angepasst.
160 * Revision 1.22 2002/01/04 01:21:47 alex
161 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
162 * - Weitere Anpassungen und Erweiterungen der Server-Links.
164 * Revision 1.21 2002/01/03 02:26:51 alex
165 * - neue Befehle SERVER und NJOIN begonnen,
166 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
168 * Revision 1.20 2002/01/02 12:46:41 alex
169 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
171 * Revision 1.19 2002/01/02 02:51:39 alex
172 * - Copyright-Texte angepasst.
173 * - neuer Befehl "ERROR".
175 * Revision 1.17 2001/12/31 15:33:13 alex
176 * - neuer Befehl NAMES, kleinere Bugfixes.
177 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
179 * Revision 1.16 2001/12/31 02:18:51 alex
180 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
181 * - neuen Header "defines.h" mit (fast) allen Konstanten.
182 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
184 * Revision 1.15 2001/12/30 19:26:11 alex
185 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
187 * Revision 1.14 2001/12/30 11:42:00 alex
188 * - der Server meldet nun eine ordentliche "Start-Zeit".
190 * Revision 1.13 2001/12/29 03:10:06 alex
191 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
192 * - neue configure-Optione "--enable-strict-rfc".
194 * Revision 1.12 2001/12/27 19:17:26 alex
195 * - neue Befehle PRIVMSG, NOTICE, PING.
197 * Revision 1.11 2001/12/27 16:55:41 alex
198 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
200 * Revision 1.10 2001/12/26 22:48:53 alex
201 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
203 * Revision 1.9 2001/12/26 14:45:37 alex
206 * Revision 1.8 2001/12/26 03:21:46 alex
207 * - PING/PONG-Befehle implementiert,
208 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
210 * Revision 1.7 2001/12/25 23:25:18 alex
211 * - und nochmal Aenderungen am Logging ;-)
213 * Revision 1.6 2001/12/25 23:13:33 alex
214 * - Debug-Meldungen angepasst.
216 * Revision 1.5 2001/12/25 22:02:42 alex
217 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
219 * Revision 1.4 2001/12/25 19:19:30 alex
220 * - bessere Fehler-Abfragen, diverse Bugfixes.
221 * - Nicks werden nur einmal vergeben :-)
222 * - /MOTD wird unterstuetzt.
224 * Revision 1.3 2001/12/24 01:34:06 alex
225 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
226 * - MOTD-Ausgabe begonnen zu implementieren.
228 * Revision 1.2 2001/12/23 21:57:16 alex
229 * - erste IRC-Befehle zu implementieren begonnen.
231 * Revision 1.1 2001/12/14 08:13:43 alex
232 * - neues Modul begonnen :-)
253 #include "messages.h"
261 #define CONNECTED TRUE
262 #define DISCONNECTED FALSE
265 LOCAL BOOLEAN Hello_User( CLIENT *Client );
266 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
268 LOCAL VOID Kill_Nick( CHAR *Nick );
270 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
271 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
274 GLOBAL VOID IRC_Init( VOID )
279 GLOBAL VOID IRC_Exit( VOID )
284 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
287 BOOLEAN ok = CONNECTED;
290 assert( Client != NULL );
291 assert( Format != NULL );
293 va_start( ap, Format );
294 vsnprintf( buffer, 1000, Format, ap );
297 /* an den Client selber */
298 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
301 } /* IRC_WriteStrClient */
304 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
306 /* Text an Clients, lokal bzw. remote, senden. */
311 assert( Client != NULL );
312 assert( Format != NULL );
313 assert( Prefix != NULL );
315 va_start( ap, Format );
316 vsnprintf( buffer, 1000, Format, ap );
319 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
320 } /* IRC_WriteStrClientPrefix */
323 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
328 assert( Client != NULL );
329 assert( Format != NULL );
331 va_start( ap, Format );
332 vsnprintf( buffer, 1000, Format, ap );
335 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
336 } /* IRC_WriteStrChannel */
339 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
342 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
348 assert( Client != NULL );
349 assert( Chan != NULL );
350 assert( Prefix != NULL );
351 assert( Format != NULL );
353 va_start( ap, Format );
354 vsnprintf( buffer, 1000, Format, ap );
357 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
359 /* An alle Clients, die in den selben Channels sind.
360 * Dabei aber nur einmal je Remote-Server */
361 cl2chan = Channel_FirstMember( Chan );
364 c = Channel_GetClient( cl2chan );
367 if( Client_Conn( c ) <= NONE ) c = NULL;
368 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
370 if( c ) c = Client_NextHop( c );
372 if( c && ( c != Client ))
374 /* Ok, anderer Client */
375 s = Client_Conn( c );
377 assert( s < MAX_CONNECTIONS );
380 cl2chan = Channel_NextMember( Chan, cl2chan );
384 for( i = 0; i < MAX_CONNECTIONS; i++ )
388 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
393 } /* IRC_WriteStrChannelPrefix */
396 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
401 assert( Format != NULL );
403 va_start( ap, Format );
404 vsnprintf( buffer, 1000, Format, ap );
407 /* an den Client selber */
408 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
409 } /* IRC_WriteStrServers */
412 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
418 assert( Format != NULL );
419 assert( Prefix != NULL );
421 va_start( ap, Format );
422 vsnprintf( buffer, 1000, Format, ap );
428 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
430 /* Ziel-Server gefunden */
431 IRC_WriteStrClientPrefix( c, Prefix, buffer );
433 c = Client_Next( c );
435 } /* IRC_WriteStrServersPrefix */
438 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
440 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
441 CL2CHAN *chan_cl2chan, *cl2chan;
448 assert( Client != NULL );
449 assert( Prefix != NULL );
450 assert( Format != NULL );
452 va_start( ap, Format );
453 vsnprintf( buffer, 1000, Format, ap );
457 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
459 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
460 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
461 chan_cl2chan = Channel_FirstChannelOf( Client );
462 while( chan_cl2chan )
464 /* Channel des Users durchsuchen */
465 chan = Channel_GetChannel( chan_cl2chan );
466 cl2chan = Channel_FirstMember( chan );
469 c = Channel_GetClient( cl2chan );
472 if( Client_Conn( c ) <= NONE ) c = NULL;
473 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
475 if( c ) c = Client_NextHop( c );
477 if( c && ( c != Client ))
479 /* Ok, anderer Client */
480 s = Client_Conn( c );
482 assert( s < MAX_CONNECTIONS );
485 cl2chan = Channel_NextMember( chan, cl2chan );
488 /* naechsten Channel */
489 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
493 for( i = 0; i < MAX_CONNECTIONS; i++ )
497 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
502 } /* IRC_WriteStrRelatedPrefix */
506 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
508 assert( Client != NULL );
509 assert( Req != NULL );
511 /* Fehler liefern, wenn kein lokaler Client */
512 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
514 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
516 /* noch nicht registrierte unbekannte Verbindung */
517 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
519 /* Passwort speichern */
520 Client_SetPassword( Client, Req->argv[0] );
522 Client_SetType( Client, CLIENT_GOTPASS );
525 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
527 /* noch nicht registrierte Server-Verbindung */
528 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
530 /* Passwort speichern */
531 Client_SetPassword( Client, Req->argv[0] );
533 Client_SetType( Client, CLIENT_GOTPASSSERVER );
536 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
538 /* Falsche Anzahl Parameter? */
539 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
541 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
545 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
547 CHAR str[LINE_LEN], *ptr;
548 CLIENT *from, *c, *cl;
554 assert( Client != NULL );
555 assert( Req != NULL );
557 /* Fehler liefern, wenn kein lokaler Client */
558 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
560 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
562 /* Verbindung soll als Server-Server-Verbindung registriert werden */
563 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
565 /* Falsche Anzahl Parameter? */
566 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
568 /* Ist dieser Server bei uns konfiguriert? */
569 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
570 if( i >= Conf_Server_Count )
572 /* Server ist nicht konfiguriert! */
573 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
574 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
577 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
579 /* Falsches Passwort */
580 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
581 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
585 /* Ist ein Server mit dieser ID bereits registriert? */
586 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
588 /* Server-Strukturen fuellen ;-) */
589 Client_SetID( Client, Req->argv[0] );
590 Client_SetHops( Client, 1 );
591 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
593 /* Meldet sich der Server bei uns an? */
596 /* Unseren SERVER- und PASS-Befehl senden */
598 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
599 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
602 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
605 Client_SetIntroducer( Client, Client );
606 Client_SetToken( Client, 1 );
608 else Client_SetToken( Client, atoi( Req->argv[1] ));
610 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
612 Client_SetType( Client, CLIENT_SERVER );
614 /* maximalen Hop Count ermitteln */
619 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
620 c = Client_Next( c );
623 /* Alle bisherigen Server dem neuen Server bekannt machen,
624 * die bisherigen Server ueber den neuen informierenn */
625 for( i = 0; i < ( max_hops + 1 ); i++ )
630 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
632 if( Client_Conn( c ) > NONE )
634 /* Dem gefundenen Server gleich den neuen
635 * Server bekannt machen */
636 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
639 /* Den neuen Server ueber den alten informieren */
640 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;
642 c = Client_Next( c );
646 /* alle User dem neuen Server bekannt machen */
650 if( Client_Type( c ) == CLIENT_USER )
652 /* User an neuen Server melden */
653 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;
655 c = Client_Next( c );
658 /* Channels dem neuen Server bekannt machen */
659 chan = Channel_First( );
662 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
664 /* alle Member suchen */
665 cl2chan = Channel_FirstMember( chan );
668 cl = Channel_GetClient( cl2chan );
669 assert( cl != NULL );
671 /* Nick, ggf. mit Modes, anhaengen */
672 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
673 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
674 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
675 strcat( str, Client_ID( cl ));
677 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
680 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
681 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
684 cl2chan = Channel_NextMember( chan, cl2chan );
688 if( str[strlen( str ) - 1] != ':')
690 /* Ja; Also senden ... */
691 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
694 /* naechsten Channel suchen */
695 chan = Channel_Next( chan );
700 else if( Client_Type( Client ) == CLIENT_SERVER )
702 /* Neuer Server wird im Netz angekuendigt */
704 /* Falsche Anzahl Parameter? */
705 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
707 /* Ist ein Server mit dieser ID bereits registriert? */
708 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
710 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
711 ptr = strchr( Req->argv[3] + 2, '[' );
712 if( ! ptr ) ptr = Req->argv[3];
714 from = Client_GetFromID( Req->prefix );
717 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
718 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
719 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
723 /* Neue Client-Struktur anlegen */
724 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
727 /* Neue Client-Struktur konnte nicht angelegt werden */
728 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
729 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
733 /* Log-Meldung zusammenbauen und ausgeben */
734 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
735 else strcpy( str, "" );
736 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": "" );
738 /* Andere Server informieren */
739 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
743 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
747 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
749 CHAR *channame, *ptr, modes[8];
750 BOOLEAN is_op, is_voiced;
754 assert( Client != NULL );
755 assert( Req != NULL );
757 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
759 /* Falsche Anzahl Parameter? */
760 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
762 channame = Req->argv[0];
763 ptr = strtok( Req->argv[1], "," );
766 is_op = is_voiced = FALSE;
768 /* Prefixe abschneiden */
769 while(( *ptr == '@' ) || ( *ptr == '+' ))
771 if( *ptr == '@' ) is_op = TRUE;
772 if( *ptr == '+' ) is_voiced = TRUE;
776 c = Client_GetFromID( ptr );
779 Channel_Join( c, channame );
780 chan = Channel_Search( channame );
781 assert( chan != NULL );
783 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
784 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
786 /* im Channel bekannt machen */
787 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
789 /* Channel-User-Modes setzen */
790 strcpy( modes, Channel_UserModes( chan, c ));
793 /* Modes im Channel bekannt machen */
794 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
797 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
799 /* naechsten Nick suchen */
800 ptr = strtok( NULL, "," );
803 /* an andere Server weiterleiten */
804 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
810 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
812 CLIENT *intr_c, *target, *c;
815 assert( Client != NULL );
816 assert( Req != NULL );
818 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
820 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 ))
822 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 ))
825 /* User-Registrierung bzw. Nick-Aenderung */
827 /* Falsche Anzahl Parameter? */
828 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
830 /* "Ziel-Client" ermitteln */
831 if( Client_Type( Client ) == CLIENT_SERVER )
833 target = Client_GetFromID( Req->prefix );
834 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
838 /* Ist der Client "restricted"? */
839 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
844 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
845 * wir nichts. So macht es das Original und mind. Snak hat probleme,
846 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
847 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
850 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
851 * will nur die Gross- und Kleinschreibung aendern. Das darf
852 * er natuerlich machen :-) */
853 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
855 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
858 /* Nick-Aenderung: allen mitteilen! */
859 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
860 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
861 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
862 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
864 /* Client-Nick registrieren */
865 Client_SetID( target, Req->argv[0] );
867 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
870 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
871 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
872 else Client_SetType( Client, CLIENT_GOTNICK );
876 else if( Client_Type( Client ) == CLIENT_SERVER )
878 /* Server fuehrt neuen Client ein */
880 /* Falsche Anzahl Parameter? */
881 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
883 /* Nick ueberpruefen */
884 c = Client_GetFromID( Req->argv[0] );
887 /* Der neue Nick ist auf diesem Server bereits registriert:
888 * sowohl der neue, als auch der alte Client muessen nun
889 * disconnectiert werden. */
890 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
891 Kill_Nick( Req->argv[0] );
895 /* Server, zu dem der Client connectiert ist, suchen */
896 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
899 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
900 Kill_Nick( Req->argv[0] );
904 /* Neue Client-Struktur anlegen */
905 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 );
908 /* Eine neue Client-Struktur konnte nicht angelegt werden.
909 * Der Client muss disconnectiert werden, damit der Netz-
910 * status konsistent bleibt. */
911 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
912 Kill_Nick( Req->argv[0] );
916 modes = Client_Modes( c );
917 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": "" );
918 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": "" );
920 /* Andere Server, ausser dem Introducer, informieren */
921 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] );
925 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
929 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
931 assert( Client != NULL );
932 assert( Req != NULL );
935 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
937 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
940 /* Falsche Anzahl Parameter? */
941 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
943 Client_SetUser( Client, Req->argv[0], FALSE );
944 Client_SetInfo( Client, Req->argv[3] );
946 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
947 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
948 else Client_SetType( Client, CLIENT_GOTUSER );
951 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
953 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
955 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
959 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
963 assert( Client != NULL );
964 assert( Req != NULL );
966 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
970 /* Falsche Anzahl Parameter? */
971 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
973 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
974 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
978 else if ( Client_Type( Client ) == CLIENT_SERVER )
982 /* Falsche Anzahl Parameter? */
983 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
985 target = Client_Search( Req->prefix );
988 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
992 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
993 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
997 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1001 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1005 assert( Client != NULL );
1006 assert( Req != NULL );
1008 /* SQUIT ist nur fuer Server erlaubt */
1009 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1011 /* Falsche Anzahl Parameter? */
1012 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1014 target = Client_GetFromID( Req->argv[0] );
1017 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1021 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1022 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1024 /* SQUIT an alle Server weiterleiten */
1025 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1027 if( Client_Conn( target ) > NONE )
1029 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1030 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1031 return DISCONNECTED;
1035 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1041 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1043 CLIENT *target, *from;
1045 assert( Client != NULL );
1046 assert( Req != NULL );
1048 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1050 /* Falsche Anzahl Parameter? */
1051 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1052 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1054 if( Req->argc == 2 )
1056 /* es wurde ein Ziel-Client angegeben */
1057 target = Client_GetFromID( Req->argv[1] );
1058 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1059 if( target != Client_ThisServer( ))
1062 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1064 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1065 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1069 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1070 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1074 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1076 CLIENT *target, *from;
1078 assert( Client != NULL );
1079 assert( Req != NULL );
1081 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1083 /* Falsche Anzahl Parameter? */
1084 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1085 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1088 if( Req->argc == 2 )
1090 target = Client_GetFromID( Req->argv[1] );
1091 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1092 if( target != Client_ThisServer( ))
1095 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1097 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1098 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1102 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1103 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1105 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 )));
1106 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1112 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1114 assert( Client != NULL );
1115 assert( Req != NULL );
1117 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1119 /* Falsche Anzahl Parameter? */
1120 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1122 return Show_MOTD( Client );
1126 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1131 assert( Client != NULL );
1132 assert( Req != NULL );
1134 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1136 /* Falsche Anzahl Parameter? */
1137 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1138 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1139 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1141 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1143 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1145 to = Client_Search( Req->argv[0] );
1148 /* Okay, Ziel ist ein User */
1149 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1150 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1153 chan = Channel_Search( Req->argv[0] );
1156 /* Okay, Ziel ist ein Channel */
1157 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1158 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1161 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1165 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1169 assert( Client != NULL );
1170 assert( Req != NULL );
1172 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1174 /* Falsche Anzahl Parameter? */
1175 if( Req->argc != 2 ) return CONNECTED;
1177 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1179 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1181 to = Client_Search( Req->argv[0] );
1184 /* Okay, Ziel ist ein User */
1185 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1187 else return CONNECTED;
1191 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1193 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1194 CLIENT *cl, *chan_cl, *prefix;
1198 assert( Client != NULL );
1199 assert( Req != NULL );
1201 cl = chan_cl = prefix = NULL;
1204 /* Valider Client? */
1205 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1207 /* Keine Parameter? */
1208 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1210 /* Ziel suchen: Client bzw. Channel */
1211 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1212 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1214 /* Kein Ziel gefunden? */
1215 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1217 assert(( cl && chan ) != TRUE );
1219 /* Falsche Anzahl Parameter? */
1220 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1221 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1223 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1224 if(( chan ) && (Req->argc == 3 ))
1226 chan_cl = Client_Search( Req->argv[2] );
1227 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1230 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1231 if( Client_Type( Client ) == CLIENT_USER )
1235 /* MODE ist nur fuer sich selber zulaessig! */
1236 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1240 /* Darf der User die Channel-Modes ermitteln? */
1244 /* Werden die Modes "nur" erfragt? */
1245 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1246 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1248 mode_ptr = Req->argv[1];
1250 /* Sollen Modes gesetzt oder geloescht werden? */
1253 if( *mode_ptr == '+' ) set = TRUE;
1254 else if( *mode_ptr == '-' ) set = FALSE;
1255 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1260 if( *mode_ptr == '-' ) set = FALSE;
1262 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1265 /* Prefix fuer Antworten etc. ermitteln */
1266 if( Client_Type( Client ) == CLIENT_SERVER )
1268 prefix = Client_GetFromID( Req->prefix );
1269 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1271 else prefix = Client;
1273 /* Reply-String mit Aenderungen vorbereiten */
1274 if( set ) strcpy( the_modes, "+" );
1275 else strcpy( the_modes, "-" );
1282 if( Client_Type( Client ) == CLIENT_SERVER )
1284 /* Befehl kommt von einem Server, daher
1285 * trauen wir ihm "unbesehen" ... */
1290 /* Modes validieren */
1301 /* restricted (kann nur gesetzt werden) */
1302 if( set ) x[0] = 'r';
1303 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1306 /* operator (kann nur geloescht werden) */
1309 Client_SetOperByMe( Client, FALSE );
1312 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1315 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1316 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1322 /* Ist der User ein Channel Operator? */
1323 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1325 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1326 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1330 /* Channel-Modes oder Channel-User-Modes */
1333 /* Channel-User-Modes */
1337 /* Channel Operator */
1345 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 ));
1346 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1364 /* kein Schreiben in den Channel von aussen */
1384 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1385 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1394 if( ! x[0] ) continue;
1396 /* Okay, gueltigen Mode gefunden */
1399 /* Es geht um User-Modes */
1402 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1403 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1407 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1408 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1413 /* Es geht um Channel-Modes oder Channel-User-Modes */
1416 /* Channel-User-Modes */
1419 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1420 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1424 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1425 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1433 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1434 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1438 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1439 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1445 /* Wurden Modes geaendert? */
1451 if( Client_Type( Client ) == CLIENT_SERVER )
1453 /* Modes an andere Server forwarden */
1454 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1458 /* Bestaetigung an Client schicken & andere Server informieren */
1459 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1460 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1462 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1466 /* Channel-Modes oder Channel-User-Mode */
1469 /* Channel-User-Mode */
1470 if( Client_Type( Client ) == CLIENT_SERVER )
1472 /* Modes an andere Server und Channel-User forwarden */
1473 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1474 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1478 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1479 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1480 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1481 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1483 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1488 if( Client_Type( Client ) == CLIENT_SERVER )
1490 /* Modes an andere Server und Channel-User forwarden */
1491 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1492 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1496 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1497 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1498 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1499 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1501 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1510 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1514 assert( Client != NULL );
1515 assert( Req != NULL );
1517 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1519 /* Falsche Anzahl Parameter? */
1520 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1522 /* Operator suchen */
1523 for( i = 0; i < Conf_Oper_Count; i++)
1525 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1527 if( i >= Conf_Oper_Count )
1529 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1530 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1533 /* Stimmt das Passwort? */
1534 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1536 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1537 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1540 if( ! Client_HasMode( Client, 'o' ))
1542 /* noch kein o-Mode gesetzt */
1543 Client_ModeAdd( Client, 'o' );
1544 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1545 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1548 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1550 Client_SetOperByMe( Client, TRUE );
1551 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1555 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1557 assert( Client != NULL );
1558 assert( Req != NULL );
1560 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1562 /* Falsche Anzahl Parameter? */
1563 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1565 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1567 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1573 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1575 assert( Client != NULL );
1576 assert( Req != NULL );
1578 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1580 /* Falsche Anzahl Parameter? */
1581 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1583 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1585 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1586 NGIRCd_Restart = TRUE;
1591 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1593 CHAR rpl[COMMAND_LEN];
1596 assert( Client != NULL );
1597 assert( Req != NULL );
1599 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1601 /* Falsche Anzahl Parameter? */
1602 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1604 /* Noch alle User ausgeben, die in keinem Channel sind */
1606 c = Client_First( );
1609 if( Client_Type( c ) == CLIENT_USER )
1611 /* Okay, das ist ein User */
1612 strcat( rpl, Client_ID( c ));
1616 /* Antwort zu lang? Splitten. */
1617 if( strlen( rpl ) > 480 )
1619 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1620 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1624 c = Client_Next( c );
1628 /* es wurden User gefunden */
1629 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1630 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1632 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1636 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1638 CHAR rpl[COMMAND_LEN];
1643 assert( Client != NULL );
1644 assert( Req != NULL );
1646 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1648 /* Falsche Anzahl Parameter? */
1649 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1651 strcpy( rpl, RPL_ISON_MSG );
1652 for( i = 0; i < Req->argc; i++ )
1654 ptr = strtok( Req->argv[i], " " );
1658 c = Client_GetFromID( ptr );
1659 if( c && ( Client_Type( c ) == CLIENT_USER ))
1661 /* Dieser Nick ist "online" */
1665 ptr = strtok( NULL, " " );
1668 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1670 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1674 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1676 CLIENT *from, *target, *c;
1677 CHAR str[LINE_LEN + 1], *ptr = NULL;
1681 assert( Client != NULL );
1682 assert( Req != NULL );
1684 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1686 /* Falsche Anzahl Parameter? */
1687 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1690 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1691 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1693 /* Empfaenger des WHOIS suchen */
1694 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1696 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1698 /* Forwarden an anderen Server? */
1701 /* angegebenen Ziel-Server suchen */
1702 target = Client_GetFromID( Req->argv[1] );
1703 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1707 else if( Client_Conn( c ) == NONE )
1709 /* Client ist nicht von uns. Ziel-Server suchen */
1716 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 );
1718 /* Nick, User und Name */
1719 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1722 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;
1725 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1726 cl2chan = Channel_FirstChannelOf( c );
1729 chan = Channel_GetChannel( cl2chan );
1730 assert( chan != NULL );
1732 /* Channel-Name anhaengen */
1733 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1734 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1735 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1736 strcat( str, Channel_Name( chan ));
1738 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1740 /* Zeile wird zu lang: senden! */
1741 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1742 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1745 /* naechstes Mitglied suchen */
1746 cl2chan = Channel_NextChannelOf( c, cl2chan );
1748 if( str[strlen( str ) - 1] != ':')
1750 /* Es sind noch Daten da, die gesendet werden muessen */
1751 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1755 if( Client_HasMode( c, 'o' ))
1757 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1760 /* Idle (nur lokale Clients) */
1761 if( Client_Conn( c ) > NONE )
1763 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1767 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1771 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1773 CHAR rpl[COMMAND_LEN];
1777 assert( Client != NULL );
1778 assert( Req != NULL );
1780 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1782 /* Falsche Anzahl Parameter? */
1783 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1785 if( Req->argc > 5 ) max = 5;
1786 else max = Req->argc;
1788 strcpy( rpl, RPL_USERHOST_MSG );
1789 for( i = 0; i < max; i++ )
1791 c = Client_GetFromID( Req->argv[i] );
1792 if( c && ( Client_Type( c ) == CLIENT_USER ))
1794 /* Dieser Nick ist "online" */
1795 strcat( rpl, Client_ID( c ));
1796 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1798 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1799 else strcat( rpl, "+" );
1800 strcat( rpl, Client_User( c ));
1802 strcat( rpl, Client_Hostname( c ));
1806 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1808 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1809 } /* IRC_USERHOST */
1812 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1814 assert( Client != NULL );
1815 assert( Req != NULL );
1817 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1818 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1824 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1826 CLIENT *target, *from;
1828 assert( Client != NULL );
1829 assert( Req != NULL );
1831 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1833 /* Falsche Anzahl Parameter? */
1834 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1836 /* Absender ermitteln */
1837 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1839 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1841 /* An anderen Server forwarden? */
1842 if( Req->argc == 2 )
1844 target = Client_GetFromID( Req->argv[1] );
1845 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1846 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1849 /* Wer ist der Absender? */
1850 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1851 else target = Client;
1852 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1854 Send_LUSERS( target );
1860 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1862 CLIENT *target, *from, *c;
1865 assert( Client != NULL );
1866 assert( Req != NULL );
1868 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1870 /* Falsche Anzahl Parameter? */
1871 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1873 /* Server-Mask ermitteln */
1874 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1877 /* Absender ermitteln */
1878 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1880 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1882 /* An anderen Server forwarden? */
1883 if( Req->argc == 2 )
1885 target = Client_GetFromID( Req->argv[0] );
1886 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1887 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1890 /* Wer ist der Absender? */
1891 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1892 else target = Client;
1893 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1895 c = Client_First( );
1898 if( Client_Type( c ) == CLIENT_SERVER )
1900 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;
1902 c = Client_Next( c );
1905 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1909 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1911 CHAR *channame, *flags, modes[8];
1912 BOOLEAN is_new_chan;
1916 assert( Client != NULL );
1917 assert( Req != NULL );
1919 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1921 /* Falsche Anzahl Parameter? */
1922 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1924 /* Wer ist der Absender? */
1925 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1926 else target = Client;
1927 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1929 /* Channel-Namen durchgehen */
1930 channame = strtok( Req->argv[0], "," );
1933 /* wird der Channel neu angelegt? */
1936 if( Channel_Search( channame )) is_new_chan = FALSE;
1937 else is_new_chan = TRUE;
1939 /* Hat ein Server Channel-User-Modes uebergeben? */
1940 if( Client_Type( Client ) == CLIENT_SERVER )
1942 /* Channel-Flags extrahieren */
1943 flags = strchr( channame, 0x7 );
1944 if( flags ) *flags++ = '\0';
1947 /* neuer Channel udn lokaler Client? */
1948 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1950 /* Dann soll der Client Channel-Operator werden! */
1954 /* Channel joinen (und ggf. anlegen) */
1955 if( ! Channel_Join( target, channame ))
1957 /* naechsten Namen ermitteln */
1958 channame = strtok( NULL, "," );
1961 chan = Channel_Search( channame );
1962 assert( chan != NULL );
1964 /* Modes setzen (wenn vorhanden) */
1965 while( flags && *flags )
1967 Channel_UserModeAdd( chan, target, *flags );
1971 /* Muessen Modes an andere Server gemeldet werden? */
1972 strcpy( &modes[1], Channel_UserModes( chan, target ));
1973 if( modes[1] ) modes[0] = 0x7;
1974 else modes[0] = '\0';
1976 /* An andere Server weiterleiten */
1977 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1979 /* im Channel bekannt machen */
1980 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1983 /* Modes im Channel bekannt machen */
1984 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1987 if( Client_Type( Client ) == CLIENT_USER )
1989 /* an Client bestaetigen */
1990 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1991 /* Topic an Client schicken */
1992 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1993 /* Mitglieder an Client Melden */
1994 Send_NAMES( Client, chan );
1997 /* naechsten Namen ermitteln */
1998 channame = strtok( NULL, "," );
2004 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2009 assert( Client != NULL );
2010 assert( Req != NULL );
2012 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2014 /* Falsche Anzahl Parameter? */
2015 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2017 /* Wer ist der Absender? */
2018 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2019 else target = Client;
2020 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2022 /* Channel-Namen durchgehen */
2023 chan = strtok( Req->argv[0], "," );
2026 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2028 /* naechsten Namen ermitteln */
2029 chan = strtok( NULL, "," );
2033 /* naechsten Namen ermitteln */
2034 chan = strtok( NULL, "," );
2040 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2042 assert( Client != NULL );
2044 /* Passwort ueberpruefen */
2045 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2047 /* Falsches Passwort */
2048 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2049 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2050 return DISCONNECTED;
2053 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2055 /* Andere Server informieren */
2056 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 ));
2058 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2059 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2060 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2061 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2063 Client_SetType( Client, CLIENT_USER );
2065 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2066 if( ! Show_MOTD( Client )) return DISCONNECTED;
2072 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2078 assert( Client != NULL );
2080 fd = fopen( Conf_MotdFile, "r" );
2083 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2084 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2087 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2090 if( ! fgets( line, 126, fd )) break;
2091 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2092 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2098 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2106 LOCAL VOID Kill_Nick( CHAR *Nick )
2108 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2110 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2114 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2116 CHAR str[LINE_LEN + 1];
2120 assert( Client != NULL );
2121 assert( Chan != NULL );
2123 /* Alle Mitglieder suchen */
2124 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2125 cl2chan = Channel_FirstMember( Chan );
2128 cl = Channel_GetClient( cl2chan );
2130 /* Nick anhaengen */
2131 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2132 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2133 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2134 strcat( str, Client_ID( cl ));
2136 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2138 /* Zeile wird zu lang: senden! */
2139 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2140 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2143 /* naechstes Mitglied suchen */
2144 cl2chan = Channel_NextMember( Chan, cl2chan );
2146 if( str[strlen( str ) - 1] != ':')
2148 /* Es sind noch Daten da, die gesendet werden muessen */
2149 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2153 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2159 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2163 assert( Client != NULL );
2165 /* Users, Services und Serevr im Netz */
2166 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2168 /* IRC-Operatoren im Netz */
2169 cnt = Client_OperCount( );
2172 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2175 /* Unbekannt Verbindungen */
2176 cnt = Client_UnknownCount( );
2179 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2182 /* Channels im Netz */
2183 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2185 /* Channels im Netz */
2186 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;