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 1.59 2002/02/17 17:30:21 alex Exp $
17 * Revision 1.59 2002/02/17 17:30:21 alex
18 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
19 * - Neue Funktion IRC_WriteStrRelatedPrefix().
21 * Revision 1.58 2002/02/17 17:18:59 alex
24 * Revision 1.57 2002/02/13 23:05:29 alex
25 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
27 * Revision 1.56 2002/02/13 17:52:27 alex
28 * - es werden nun Channel- und User-Modes von Usern angenommen.
30 * Revision 1.55 2002/02/12 14:40:37 alex
31 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
33 * Revision 1.54 2002/02/11 23:33:35 alex
34 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
36 * Revision 1.53 2002/02/11 16:06:21 alex
37 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
39 * Revision 1.52 2002/02/11 15:52:21 alex
40 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
41 * - Channel-Modes wurden falsch geliefert (als User-Modes).
43 * Revision 1.51 2002/02/11 15:15:53 alex
44 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
45 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
47 * Revision 1.50 2002/02/11 01:03:20 alex
48 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
49 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
50 * angelegt wird, werden Channel-Operator, etc. pp. ...
51 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
53 * Revision 1.49 2002/02/06 16:51:22 alex
54 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
56 * Revision 1.48 2002/01/29 00:13:45 alex
57 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
58 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
59 * LINKS wieder korrekt.
61 * Revision 1.47 2002/01/28 13:05:48 alex
62 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
63 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
65 * Revision 1.46 2002/01/28 01:45:43 alex
66 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
68 * Revision 1.45 2002/01/28 01:18:14 alex
69 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
71 * Revision 1.44 2002/01/28 00:55:08 alex
72 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
74 * Revision 1.43 2002/01/27 21:56:39 alex
75 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
76 * - einige kleinere Fixes bezueglich Channels ...
78 * Revision 1.42 2002/01/27 18:28:01 alex
79 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
81 * Revision 1.41 2002/01/27 17:15:49 alex
82 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
83 * IRC_WriteStrChannelPrefix(),
84 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
86 * Revision 1.40 2002/01/26 18:43:11 alex
87 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
88 * die IRC_Write_xxx_Related() sind dafuer entfallen.
89 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
91 * Revision 1.39 2002/01/21 00:05:11 alex
92 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
93 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
94 * - diverse Aenderungen im Zusammenhang mit Channels.
96 * Revision 1.38 2002/01/18 15:31:32 alex
97 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
99 * Revision 1.37 2002/01/16 22:10:18 alex
100 * - IRC_LUSERS() implementiert.
102 * Revision 1.36 2002/01/11 23:50:55 alex
103 * - LINKS implementiert, LUSERS begonnen.
105 * Revision 1.35 2002/01/09 21:30:45 alex
106 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
108 * Revision 1.34 2002/01/09 01:09:58 alex
109 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
110 * - andere Server werden nun ueber bisherige Server und User informiert.
112 * Revision 1.33 2002/01/07 23:42:12 alex
113 * - Es werden fuer alle Server eigene Token generiert,
114 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
115 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
117 * Revision 1.32 2002/01/07 16:02:36 alex
118 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
119 * - Im Debug-Mode werden nun auch PING's protokolliert.
121 * Revision 1.31 2002/01/07 15:39:46 alex
122 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
123 * - MODE und NICK melden nun die Aenderungen an andere Server.
125 * Revision 1.30 2002/01/06 15:21:29 alex
126 * - Loglevel und Meldungen nochmals ueberarbeitet.
127 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
128 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
130 * Revision 1.29 2002/01/05 23:24:54 alex
131 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
132 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
134 * Revision 1.28 2002/01/05 20:08:02 alex
135 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
136 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
138 * Revision 1.27 2002/01/05 19:15:03 alex
139 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
141 * Revision 1.26 2002/01/05 16:51:18 alex
142 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
144 * Revision 1.25 2002/01/05 00:48:33 alex
145 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
147 * Revision 1.24 2002/01/04 17:58:44 alex
148 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
149 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
151 * Revision 1.23 2002/01/04 01:36:40 alex
152 * - Loglevel ein wenig angepasst.
154 * Revision 1.22 2002/01/04 01:21:47 alex
155 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
156 * - Weitere Anpassungen und Erweiterungen der Server-Links.
158 * Revision 1.21 2002/01/03 02:26:51 alex
159 * - neue Befehle SERVER und NJOIN begonnen,
160 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
162 * Revision 1.20 2002/01/02 12:46:41 alex
163 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
165 * Revision 1.19 2002/01/02 02:51:39 alex
166 * - Copyright-Texte angepasst.
167 * - neuer Befehl "ERROR".
169 * Revision 1.17 2001/12/31 15:33:13 alex
170 * - neuer Befehl NAMES, kleinere Bugfixes.
171 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
173 * Revision 1.16 2001/12/31 02:18:51 alex
174 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
175 * - neuen Header "defines.h" mit (fast) allen Konstanten.
176 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
178 * Revision 1.15 2001/12/30 19:26:11 alex
179 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
181 * Revision 1.14 2001/12/30 11:42:00 alex
182 * - der Server meldet nun eine ordentliche "Start-Zeit".
184 * Revision 1.13 2001/12/29 03:10:06 alex
185 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
186 * - neue configure-Optione "--enable-strict-rfc".
188 * Revision 1.12 2001/12/27 19:17:26 alex
189 * - neue Befehle PRIVMSG, NOTICE, PING.
191 * Revision 1.11 2001/12/27 16:55:41 alex
192 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
194 * Revision 1.10 2001/12/26 22:48:53 alex
195 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
197 * Revision 1.9 2001/12/26 14:45:37 alex
200 * Revision 1.8 2001/12/26 03:21:46 alex
201 * - PING/PONG-Befehle implementiert,
202 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
204 * Revision 1.7 2001/12/25 23:25:18 alex
205 * - und nochmal Aenderungen am Logging ;-)
207 * Revision 1.6 2001/12/25 23:13:33 alex
208 * - Debug-Meldungen angepasst.
210 * Revision 1.5 2001/12/25 22:02:42 alex
211 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
213 * Revision 1.4 2001/12/25 19:19:30 alex
214 * - bessere Fehler-Abfragen, diverse Bugfixes.
215 * - Nicks werden nur einmal vergeben :-)
216 * - /MOTD wird unterstuetzt.
218 * Revision 1.3 2001/12/24 01:34:06 alex
219 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
220 * - MOTD-Ausgabe begonnen zu implementieren.
222 * Revision 1.2 2001/12/23 21:57:16 alex
223 * - erste IRC-Befehle zu implementieren begonnen.
225 * Revision 1.1 2001/12/14 08:13:43 alex
226 * - neues Modul begonnen :-)
247 #include "messages.h"
255 #define CONNECTED TRUE
256 #define DISCONNECTED FALSE
259 LOCAL BOOLEAN Hello_User( CLIENT *Client );
260 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
262 LOCAL VOID Kill_Nick( CHAR *Nick );
264 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
265 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
268 GLOBAL VOID IRC_Init( VOID )
273 GLOBAL VOID IRC_Exit( VOID )
278 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
281 BOOLEAN ok = CONNECTED;
284 assert( Client != NULL );
285 assert( Format != NULL );
287 va_start( ap, Format );
288 vsnprintf( buffer, 1000, Format, ap );
291 /* an den Client selber */
292 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
295 } /* IRC_WriteStrClient */
298 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
300 /* Text an Clients, lokal bzw. remote, senden. */
305 assert( Client != NULL );
306 assert( Format != NULL );
307 assert( Prefix != NULL );
309 va_start( ap, Format );
310 vsnprintf( buffer, 1000, Format, ap );
313 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
314 } /* IRC_WriteStrClientPrefix */
317 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
322 assert( Client != NULL );
323 assert( Format != NULL );
325 va_start( ap, Format );
326 vsnprintf( buffer, 1000, Format, ap );
329 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
330 } /* IRC_WriteStrChannel */
333 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
336 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
342 assert( Client != NULL );
343 assert( Chan != NULL );
344 assert( Prefix != NULL );
345 assert( Format != NULL );
347 va_start( ap, Format );
348 vsnprintf( buffer, 1000, Format, ap );
351 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
353 /* An alle Clients, die in den selben Channels sind.
354 * Dabei aber nur einmal je Remote-Server */
355 cl2chan = Channel_FirstMember( Chan );
358 c = Channel_GetClient( cl2chan );
361 if( Client_Conn( c ) <= NONE ) c = NULL;
362 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
364 if( c ) c = Client_NextHop( c );
366 if( c && ( c != Client ))
368 /* Ok, anderer Client */
369 s = Client_Conn( c );
371 assert( s < MAX_CONNECTIONS );
374 cl2chan = Channel_NextMember( Chan, cl2chan );
378 for( i = 0; i < MAX_CONNECTIONS; i++ )
382 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
387 } /* IRC_WriteStrChannelPrefix */
390 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
395 assert( Format != NULL );
397 va_start( ap, Format );
398 vsnprintf( buffer, 1000, Format, ap );
401 /* an den Client selber */
402 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
403 } /* IRC_WriteStrServers */
406 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
412 assert( Format != NULL );
413 assert( Prefix != NULL );
415 va_start( ap, Format );
416 vsnprintf( buffer, 1000, Format, ap );
422 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
424 /* Ziel-Server gefunden */
425 IRC_WriteStrClientPrefix( c, Prefix, buffer );
427 c = Client_Next( c );
429 } /* IRC_WriteStrServersPrefix */
432 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
434 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
435 CL2CHAN *chan_cl2chan, *cl2chan;
442 assert( Client != NULL );
443 assert( Prefix != NULL );
444 assert( Format != NULL );
446 va_start( ap, Format );
447 vsnprintf( buffer, 1000, Format, ap );
451 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
453 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
454 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
455 chan_cl2chan = Channel_FirstChannelOf( Client );
456 while( chan_cl2chan )
458 /* Channel des Users durchsuchen */
459 chan = Channel_GetChannel( chan_cl2chan );
460 cl2chan = Channel_FirstMember( chan );
463 c = Channel_GetClient( cl2chan );
466 if( Client_Conn( c ) <= NONE ) c = NULL;
467 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
469 if( c ) c = Client_NextHop( c );
471 if( c && ( c != Client ))
473 /* Ok, anderer Client */
474 s = Client_Conn( c );
476 assert( s < MAX_CONNECTIONS );
479 cl2chan = Channel_NextMember( chan, cl2chan );
482 /* naechsten Channel */
483 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
487 for( i = 0; i < MAX_CONNECTIONS; i++ )
491 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
496 } /* IRC_WriteStrRelatedPrefix */
500 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
502 assert( Client != NULL );
503 assert( Req != NULL );
505 /* Fehler liefern, wenn kein lokaler Client */
506 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
508 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
510 /* noch nicht registrierte unbekannte Verbindung */
511 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
513 /* Passwort speichern */
514 Client_SetPassword( Client, Req->argv[0] );
516 Client_SetType( Client, CLIENT_GOTPASS );
519 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
521 /* noch nicht registrierte Server-Verbindung */
522 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
524 /* Passwort speichern */
525 Client_SetPassword( Client, Req->argv[0] );
527 Client_SetType( Client, CLIENT_GOTPASSSERVER );
530 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
532 /* Falsche Anzahl Parameter? */
533 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
535 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
539 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
541 CHAR str[LINE_LEN], *ptr;
542 CLIENT *from, *c, *cl;
548 assert( Client != NULL );
549 assert( Req != NULL );
551 /* Fehler liefern, wenn kein lokaler Client */
552 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
554 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
556 /* Verbindung soll als Server-Server-Verbindung registriert werden */
557 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
559 /* Falsche Anzahl Parameter? */
560 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
562 /* Ist dieser Server bei uns konfiguriert? */
563 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
564 if( i >= Conf_Server_Count )
566 /* Server ist nicht konfiguriert! */
567 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
568 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
571 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
573 /* Falsches Passwort */
574 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
575 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
579 /* Ist ein Server mit dieser ID bereits registriert? */
580 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
582 /* Server-Strukturen fuellen ;-) */
583 Client_SetID( Client, Req->argv[0] );
584 Client_SetHops( Client, 1 );
585 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
587 /* Meldet sich der Server bei uns an? */
590 /* Unseren SERVER- und PASS-Befehl senden */
592 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
593 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
596 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
599 Client_SetIntroducer( Client, Client );
600 Client_SetToken( Client, 1 );
602 else Client_SetToken( Client, atoi( Req->argv[1] ));
604 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
606 Client_SetType( Client, CLIENT_SERVER );
608 /* maximalen Hop Count ermitteln */
613 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
614 c = Client_Next( c );
617 /* Alle bisherigen Server dem neuen Server bekannt machen,
618 * die bisherigen Server ueber den neuen informierenn */
619 for( i = 0; i < ( max_hops + 1 ); i++ )
624 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
626 if( Client_Conn( c ) > NONE )
628 /* Dem gefundenen Server gleich den neuen
629 * Server bekannt machen */
630 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
633 /* Den neuen Server ueber den alten informieren */
634 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;
636 c = Client_Next( c );
640 /* alle User dem neuen Server bekannt machen */
644 if( Client_Type( c ) == CLIENT_USER )
646 /* User an neuen Server melden */
647 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;
649 c = Client_Next( c );
652 /* Channels dem neuen Server bekannt machen */
653 chan = Channel_First( );
656 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
658 /* alle Member suchen */
659 cl2chan = Channel_FirstMember( chan );
662 cl = Channel_GetClient( cl2chan );
663 assert( cl != NULL );
665 /* Nick, ggf. mit Modes, anhaengen */
666 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
667 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
668 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
669 strcat( str, Client_ID( cl ));
671 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
674 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
675 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
678 cl2chan = Channel_NextMember( chan, cl2chan );
682 if( str[strlen( str ) - 1] != ':')
684 /* Ja; Also senden ... */
685 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
688 /* naechsten Channel suchen */
689 chan = Channel_Next( chan );
694 else if( Client_Type( Client ) == CLIENT_SERVER )
696 /* Neuer Server wird im Netz angekuendigt */
698 /* Falsche Anzahl Parameter? */
699 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
701 /* Ist ein Server mit dieser ID bereits registriert? */
702 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
704 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
705 ptr = strchr( Req->argv[3] + 2, '[' );
706 if( ! ptr ) ptr = Req->argv[3];
708 from = Client_GetFromID( Req->prefix );
711 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
712 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
713 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
717 /* Neue Client-Struktur anlegen */
718 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
721 /* Neue Client-Struktur konnte nicht angelegt werden */
722 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
723 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
727 /* Log-Meldung zusammenbauen und ausgeben */
728 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
729 else strcpy( str, "" );
730 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": "" );
732 /* Andere Server informieren */
733 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
737 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
741 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
743 CHAR *channame, *ptr, modes[8];
744 BOOLEAN is_op, is_voiced;
748 assert( Client != NULL );
749 assert( Req != NULL );
751 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
753 /* Falsche Anzahl Parameter? */
754 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
756 channame = Req->argv[0];
757 ptr = strtok( Req->argv[1], "," );
760 is_op = is_voiced = FALSE;
762 /* Prefixe abschneiden */
763 while(( *ptr == '@' ) || ( *ptr == '+' ))
765 if( *ptr == '@' ) is_op = TRUE;
766 if( *ptr == '+' ) is_voiced = TRUE;
770 c = Client_GetFromID( ptr );
773 Channel_Join( c, channame );
774 chan = Channel_Search( channame );
775 assert( chan != NULL );
777 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
778 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
780 /* im Channel bekannt machen */
781 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
783 /* Channel-User-Modes setzen */
784 strcpy( modes, Channel_UserModes( chan, c ));
787 /* Modes im Channel bekannt machen */
788 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
791 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
793 /* naechsten Nick suchen */
794 ptr = strtok( NULL, "," );
797 /* an andere Server weiterleiten */
798 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
804 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
806 CLIENT *intr_c, *target, *c;
809 assert( Client != NULL );
810 assert( Req != NULL );
812 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
814 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 ))
816 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 ))
819 /* User-Registrierung bzw. Nick-Aenderung */
821 /* Falsche Anzahl Parameter? */
822 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
824 /* "Ziel-Client" ermitteln */
825 if( Client_Type( Client ) == CLIENT_SERVER )
827 target = Client_GetFromID( Req->prefix );
828 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
832 /* Ist der Client "restricted"? */
833 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
838 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
839 * wir nichts. So macht es das Original und mind. Snak hat probleme,
840 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
841 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
844 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
845 * will nur die Gross- und Kleinschreibung aendern. Das darf
846 * er natuerlich machen :-) */
847 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
849 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
852 /* Nick-Aenderung: allen mitteilen! */
853 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
854 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
855 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
856 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
858 /* Client-Nick registrieren */
859 Client_SetID( target, Req->argv[0] );
861 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
864 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
865 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
866 else Client_SetType( Client, CLIENT_GOTNICK );
870 else if( Client_Type( Client ) == CLIENT_SERVER )
872 /* Server fuehrt neuen Client ein */
874 /* Falsche Anzahl Parameter? */
875 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
877 /* Nick ueberpruefen */
878 c = Client_GetFromID( Req->argv[0] );
881 /* Der neue Nick ist auf diesem Server bereits registriert:
882 * sowohl der neue, als auch der alte Client muessen nun
883 * disconnectiert werden. */
884 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
885 Kill_Nick( Req->argv[0] );
889 /* Server, zu dem der Client connectiert ist, suchen */
890 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
893 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
894 Kill_Nick( Req->argv[0] );
898 /* Neue Client-Struktur anlegen */
899 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 );
902 /* Eine neue Client-Struktur konnte nicht angelegt werden.
903 * Der Client muss disconnectiert werden, damit der Netz-
904 * status konsistent bleibt. */
905 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
906 Kill_Nick( Req->argv[0] );
910 modes = Client_Modes( c );
911 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": "" );
912 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": "" );
914 /* Andere Server, ausser dem Introducer, informieren */
915 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] );
919 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
923 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
925 assert( Client != NULL );
926 assert( Req != NULL );
929 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
931 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
934 /* Falsche Anzahl Parameter? */
935 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
937 Client_SetUser( Client, Req->argv[0], FALSE );
938 Client_SetInfo( Client, Req->argv[3] );
940 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
941 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
942 else Client_SetType( Client, CLIENT_GOTUSER );
945 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
947 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
949 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
953 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
957 assert( Client != NULL );
958 assert( Req != NULL );
960 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
964 /* Falsche Anzahl Parameter? */
965 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
967 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
968 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
972 else if ( Client_Type( Client ) == CLIENT_SERVER )
976 /* Falsche Anzahl Parameter? */
977 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
979 target = Client_Search( Req->prefix );
982 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
986 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
987 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
991 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
995 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
999 assert( Client != NULL );
1000 assert( Req != NULL );
1002 /* SQUIT ist nur fuer Server erlaubt */
1003 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1005 /* Falsche Anzahl Parameter? */
1006 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1008 target = Client_GetFromID( Req->argv[0] );
1011 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1015 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1016 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1018 /* SQUIT an alle Server weiterleiten */
1019 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1021 if( Client_Conn( target ) > NONE )
1023 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1024 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1025 return DISCONNECTED;
1029 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1035 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1037 CLIENT *target, *from;
1039 assert( Client != NULL );
1040 assert( Req != NULL );
1042 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1044 /* Falsche Anzahl Parameter? */
1045 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1046 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1048 if( Req->argc == 2 )
1050 /* es wurde ein Ziel-Client angegeben */
1051 target = Client_GetFromID( Req->argv[1] );
1052 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1053 if( target != Client_ThisServer( ))
1056 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1058 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1059 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1063 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1064 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1068 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1070 CLIENT *target, *from;
1072 assert( Client != NULL );
1073 assert( Req != NULL );
1075 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1077 /* Falsche Anzahl Parameter? */
1078 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1079 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1082 if( Req->argc == 2 )
1084 target = Client_GetFromID( Req->argv[1] );
1085 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1086 if( target != Client_ThisServer( ))
1089 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1091 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1092 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1096 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1097 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1099 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 )));
1100 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1106 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1108 assert( Client != NULL );
1109 assert( Req != NULL );
1111 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1113 /* Falsche Anzahl Parameter? */
1114 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1116 return Show_MOTD( Client );
1120 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1125 assert( Client != NULL );
1126 assert( Req != NULL );
1128 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1130 /* Falsche Anzahl Parameter? */
1131 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1132 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1133 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1135 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1137 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1139 to = Client_Search( Req->argv[0] );
1142 /* Okay, Ziel ist ein User */
1143 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1144 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1147 chan = Channel_Search( Req->argv[0] );
1150 /* Okay, Ziel ist ein Channel */
1151 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1152 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1155 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1159 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1163 assert( Client != NULL );
1164 assert( Req != NULL );
1166 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1168 /* Falsche Anzahl Parameter? */
1169 if( Req->argc != 2 ) return CONNECTED;
1171 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1173 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1175 to = Client_Search( Req->argv[0] );
1178 /* Okay, Ziel ist ein User */
1179 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1181 else return CONNECTED;
1185 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1187 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1188 CLIENT *cl, *chan_cl, *prefix;
1192 assert( Client != NULL );
1193 assert( Req != NULL );
1195 cl = chan_cl = prefix = NULL;
1198 /* Valider Client? */
1199 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1201 /* Keine Parameter? */
1202 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1204 /* Ziel suchen: Client bzw. Channel */
1205 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1206 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1208 /* Kein Ziel gefunden? */
1209 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1211 assert(( cl && chan ) != TRUE );
1213 /* Falsche Anzahl Parameter? */
1214 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1215 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1217 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1218 if(( chan ) && (Req->argc == 3 ))
1220 chan_cl = Client_Search( Req->argv[2] );
1221 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1224 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1225 if( Client_Type( Client ) == CLIENT_USER )
1229 /* MODE ist nur fuer sich selber zulaessig! */
1230 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1234 /* Darf der User die Channel-Modes ermitteln? */
1238 /* Werden die Modes "nur" erfragt? */
1239 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1240 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1242 mode_ptr = Req->argv[1];
1244 /* Sollen Modes gesetzt oder geloescht werden? */
1247 if( *mode_ptr == '+' ) set = TRUE;
1248 else if( *mode_ptr == '-' ) set = FALSE;
1249 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1254 if( *mode_ptr == '-' ) set = FALSE;
1256 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1259 /* Prefix fuer Antworten etc. ermitteln */
1260 if( Client_Type( Client ) == CLIENT_SERVER )
1262 prefix = Client_GetFromID( Req->prefix );
1263 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1265 else prefix = Client;
1267 /* Reply-String mit Aenderungen vorbereiten */
1268 if( set ) strcpy( the_modes, "+" );
1269 else strcpy( the_modes, "-" );
1276 if( Client_Type( Client ) == CLIENT_SERVER )
1278 /* Befehl kommt von einem Server, daher
1279 * trauen wir ihm "unbesehen" ... */
1284 /* Modes validieren */
1295 /* restricted (kann nur gesetzt werden) */
1296 if( set ) x[0] = 'r';
1297 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1300 /* operator (kann nur geloescht werden) */
1303 Client_SetOperByMe( Client, FALSE );
1306 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1309 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1310 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1316 /* Ist der User ein Channel Operator? */
1317 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1319 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1320 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1324 /* Channel-Modes oder Channel-User-Modes */
1327 /* Channel-User-Modes */
1331 /* Channel Operator */
1339 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 ));
1340 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1358 /* kein Schreiben in den Channel von aussen */
1378 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1379 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1388 if( ! x[0] ) continue;
1390 /* Okay, gueltigen Mode gefunden */
1393 /* Es geht um User-Modes */
1396 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1397 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1401 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1402 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1407 /* Es geht um Channel-Modes oder Channel-User-Modes */
1410 /* Channel-User-Modes */
1413 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1414 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1418 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1419 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1427 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1428 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1432 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1433 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1439 /* Wurden Modes geaendert? */
1445 if( Client_Type( Client ) == CLIENT_SERVER )
1447 /* Modes an andere Server forwarden */
1448 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1452 /* Bestaetigung an Client schicken & andere Server informieren */
1453 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1454 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1456 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1460 /* Channel-Modes oder Channel-User-Mode */
1463 /* Channel-User-Mode */
1464 if( Client_Type( Client ) == CLIENT_SERVER )
1466 /* Modes an andere Server und Channel-User forwarden */
1467 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1468 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1472 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1473 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1474 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1475 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1477 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1482 if( Client_Type( Client ) == CLIENT_SERVER )
1484 /* Modes an andere Server und Channel-User forwarden */
1485 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1486 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1490 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1491 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1492 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1493 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1495 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1504 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1508 assert( Client != NULL );
1509 assert( Req != NULL );
1511 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1513 /* Falsche Anzahl Parameter? */
1514 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1516 /* Operator suchen */
1517 for( i = 0; i < Conf_Oper_Count; i++)
1519 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1521 if( i >= Conf_Oper_Count )
1523 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1524 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1527 /* Stimmt das Passwort? */
1528 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1530 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1531 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1534 if( ! Client_HasMode( Client, 'o' ))
1536 /* noch kein o-Mode gesetzt */
1537 Client_ModeAdd( Client, 'o' );
1538 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1539 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1542 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1544 Client_SetOperByMe( Client, TRUE );
1545 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1549 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1551 assert( Client != NULL );
1552 assert( Req != NULL );
1554 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1556 /* Falsche Anzahl Parameter? */
1557 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1559 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1561 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1567 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1569 assert( Client != NULL );
1570 assert( Req != NULL );
1572 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1574 /* Falsche Anzahl Parameter? */
1575 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1577 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1579 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1580 NGIRCd_Restart = TRUE;
1585 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1587 CHAR rpl[COMMAND_LEN];
1590 assert( Client != NULL );
1591 assert( Req != NULL );
1593 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1595 /* Falsche Anzahl Parameter? */
1596 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1598 /* Noch alle User ausgeben, die in keinem Channel sind */
1600 c = Client_First( );
1603 if( Client_Type( c ) == CLIENT_USER )
1605 /* Okay, das ist ein User */
1606 strcat( rpl, Client_ID( c ));
1610 /* Antwort zu lang? Splitten. */
1611 if( strlen( rpl ) > 480 )
1613 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1614 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1618 c = Client_Next( c );
1622 /* es wurden User gefunden */
1623 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1624 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1626 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1630 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1632 CHAR rpl[COMMAND_LEN];
1637 assert( Client != NULL );
1638 assert( Req != NULL );
1640 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1642 /* Falsche Anzahl Parameter? */
1643 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1645 strcpy( rpl, RPL_ISON_MSG );
1646 for( i = 0; i < Req->argc; i++ )
1648 ptr = strtok( Req->argv[i], " " );
1652 c = Client_GetFromID( ptr );
1653 if( c && ( Client_Type( c ) == CLIENT_USER ))
1655 /* Dieser Nick ist "online" */
1659 ptr = strtok( NULL, " " );
1662 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1664 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1668 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1670 CLIENT *from, *target, *c;
1671 CHAR str[LINE_LEN + 1], *ptr = NULL;
1675 assert( Client != NULL );
1676 assert( Req != NULL );
1678 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1680 /* Falsche Anzahl Parameter? */
1681 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1684 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1685 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1687 /* Empfaenger des WHOIS suchen */
1688 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1690 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1692 /* Forwarden an anderen Server? */
1695 /* angegebenen Ziel-Server suchen */
1696 target = Client_GetFromID( Req->argv[1] );
1697 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1701 else if( Client_Conn( c ) == NONE )
1703 /* Client ist nicht von uns. Ziel-Server suchen */
1710 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 );
1712 /* Nick, User und Name */
1713 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1716 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;
1719 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1720 cl2chan = Channel_FirstChannelOf( c );
1723 chan = Channel_GetChannel( cl2chan );
1724 assert( chan != NULL );
1726 /* Channel-Name anhaengen */
1727 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1728 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1729 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1730 strcat( str, Channel_Name( chan ));
1732 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1734 /* Zeile wird zu lang: senden! */
1735 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1736 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1739 /* naechstes Mitglied suchen */
1740 cl2chan = Channel_NextChannelOf( c, cl2chan );
1742 if( str[strlen( str ) - 1] != ':')
1744 /* Es sind noch Daten da, die gesendet werden muessen */
1745 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1749 if( Client_HasMode( c, 'o' ))
1751 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1754 /* Idle (nur lokale Clients) */
1755 if( Client_Conn( c ) > NONE )
1757 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1761 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1765 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1767 CHAR rpl[COMMAND_LEN];
1771 assert( Client != NULL );
1772 assert( Req != NULL );
1774 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1776 /* Falsche Anzahl Parameter? */
1777 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1779 if( Req->argc > 5 ) max = 5;
1780 else max = Req->argc;
1782 strcpy( rpl, RPL_USERHOST_MSG );
1783 for( i = 0; i < max; i++ )
1785 c = Client_GetFromID( Req->argv[i] );
1786 if( c && ( Client_Type( c ) == CLIENT_USER ))
1788 /* Dieser Nick ist "online" */
1789 strcat( rpl, Client_ID( c ));
1790 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1792 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1793 else strcat( rpl, "+" );
1794 strcat( rpl, Client_User( c ));
1796 strcat( rpl, Client_Hostname( c ));
1800 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1802 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1803 } /* IRC_USERHOST */
1806 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1808 assert( Client != NULL );
1809 assert( Req != NULL );
1811 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1812 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1818 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1820 CLIENT *target, *from;
1822 assert( Client != NULL );
1823 assert( Req != NULL );
1825 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1827 /* Falsche Anzahl Parameter? */
1828 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1830 /* Absender ermitteln */
1831 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1833 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1835 /* An anderen Server forwarden? */
1836 if( Req->argc == 2 )
1838 target = Client_GetFromID( Req->argv[1] );
1839 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1840 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1843 /* Wer ist der Absender? */
1844 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1845 else target = Client;
1846 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1848 Send_LUSERS( target );
1854 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1856 CLIENT *target, *from, *c;
1859 assert( Client != NULL );
1860 assert( Req != NULL );
1862 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1864 /* Falsche Anzahl Parameter? */
1865 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1867 /* Server-Mask ermitteln */
1868 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1871 /* Absender ermitteln */
1872 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1874 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1876 /* An anderen Server forwarden? */
1877 if( Req->argc == 2 )
1879 target = Client_GetFromID( Req->argv[0] );
1880 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1881 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1884 /* Wer ist der Absender? */
1885 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1886 else target = Client;
1887 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1889 c = Client_First( );
1892 if( Client_Type( c ) == CLIENT_SERVER )
1894 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;
1896 c = Client_Next( c );
1899 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1903 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1905 CHAR *channame, *flags, modes[8];
1906 BOOLEAN is_new_chan;
1910 assert( Client != NULL );
1911 assert( Req != NULL );
1913 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1915 /* Falsche Anzahl Parameter? */
1916 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1918 /* Wer ist der Absender? */
1919 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1920 else target = Client;
1921 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1923 /* Channel-Namen durchgehen */
1924 channame = strtok( Req->argv[0], "," );
1927 /* wird der Channel neu angelegt? */
1930 if( Channel_Search( channame )) is_new_chan = FALSE;
1931 else is_new_chan = TRUE;
1933 /* Hat ein Server Channel-User-Modes uebergeben? */
1934 if( Client_Type( Client ) == CLIENT_SERVER )
1936 /* Channel-Flags extrahieren */
1937 flags = strchr( channame, 0x7 );
1938 if( flags ) *flags++ = '\0';
1941 /* neuer Channel udn lokaler Client? */
1942 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1944 /* Dann soll der Client Channel-Operator werden! */
1948 /* Channel joinen (und ggf. anlegen) */
1949 if( ! Channel_Join( target, channame ))
1951 /* naechsten Namen ermitteln */
1952 channame = strtok( NULL, "," );
1955 chan = Channel_Search( channame );
1956 assert( chan != NULL );
1958 /* Modes setzen (wenn vorhanden) */
1959 while( flags && *flags )
1961 Channel_UserModeAdd( chan, target, *flags );
1965 /* Muessen Modes an andere Server gemeldet werden? */
1966 strcpy( &modes[1], Channel_UserModes( chan, target ));
1967 if( modes[1] ) modes[0] = 0x7;
1968 else modes[0] = '\0';
1970 /* An andere Server weiterleiten */
1971 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1973 /* im Channel bekannt machen */
1974 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1977 /* Modes im Channel bekannt machen */
1978 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1981 if( Client_Type( Client ) == CLIENT_USER )
1983 /* an Client bestaetigen */
1984 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1985 /* Topic an Client schicken */
1986 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1987 /* Mitglieder an Client Melden */
1988 Send_NAMES( Client, chan );
1991 /* naechsten Namen ermitteln */
1992 channame = strtok( NULL, "," );
1998 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2003 assert( Client != NULL );
2004 assert( Req != NULL );
2006 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2008 /* Falsche Anzahl Parameter? */
2009 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2011 /* Wer ist der Absender? */
2012 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2013 else target = Client;
2014 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2016 /* Channel-Namen durchgehen */
2017 chan = strtok( Req->argv[0], "," );
2020 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2022 /* naechsten Namen ermitteln */
2023 chan = strtok( NULL, "," );
2027 /* naechsten Namen ermitteln */
2028 chan = strtok( NULL, "," );
2034 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2036 assert( Client != NULL );
2038 /* Passwort ueberpruefen */
2039 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2041 /* Falsches Passwort */
2042 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2043 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2044 return DISCONNECTED;
2047 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2049 /* Andere Server informieren */
2050 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 ));
2052 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2053 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2054 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2055 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2057 Client_SetType( Client, CLIENT_USER );
2059 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2060 if( ! Show_MOTD( Client )) return DISCONNECTED;
2066 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2072 assert( Client != NULL );
2074 fd = fopen( Conf_MotdFile, "r" );
2077 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2078 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2081 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2084 if( ! fgets( line, 126, fd )) break;
2085 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2086 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2092 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2100 LOCAL VOID Kill_Nick( CHAR *Nick )
2102 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2104 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2108 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2110 CHAR str[LINE_LEN + 1];
2114 assert( Client != NULL );
2115 assert( Chan != NULL );
2117 /* Alle Mitglieder suchen */
2118 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2119 cl2chan = Channel_FirstMember( Chan );
2122 cl = Channel_GetClient( cl2chan );
2124 /* Nick anhaengen */
2125 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2126 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2127 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2128 strcat( str, Client_ID( cl ));
2130 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2132 /* Zeile wird zu lang: senden! */
2133 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2134 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2137 /* naechstes Mitglied suchen */
2138 cl2chan = Channel_NextMember( Chan, cl2chan );
2140 if( str[strlen( str ) - 1] != ':')
2142 /* Es sind noch Daten da, die gesendet werden muessen */
2143 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2147 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2153 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2157 assert( Client != NULL );
2159 /* Users, Services und Serevr im Netz */
2160 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2162 /* IRC-Operatoren im Netz */
2163 cnt = Client_OperCount( );
2166 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2169 /* Unbekannt Verbindungen */
2170 cnt = Client_UnknownCount( );
2173 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2176 /* Channels im Netz */
2177 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2179 /* Channels im Netz */
2180 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;