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 1.69 2002/02/26 20:52:40 alex Exp $
17 * Revision 1.69 2002/02/26 20:52:40 alex
18 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
20 * Revision 1.68 2002/02/25 17:46:27 alex
21 * - an User wird nun immer ein "komplettes" Prefix verschickt.
23 * Revision 1.67 2002/02/25 13:21:25 alex
24 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
25 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
27 * Revision 1.66 2002/02/23 21:39:48 alex
28 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
30 * Revision 1.65 2002/02/23 00:03:54 alex
31 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
33 * Revision 1.64 2002/02/19 20:06:45 alex
34 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
35 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
37 * Revision 1.63 2002/02/19 02:21:17 alex
38 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
39 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
41 * Revision 1.62 2002/02/17 23:38:58 alex
42 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
44 * Revision 1.61 2002/02/17 19:03:12 alex
45 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
47 * Revision 1.60 2002/02/17 17:43:14 alex
48 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
50 * Revision 1.59 2002/02/17 17:30:21 alex
51 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
52 * - Neue Funktion IRC_WriteStrRelatedPrefix().
54 * Revision 1.58 2002/02/17 17:18:59 alex
57 * Revision 1.57 2002/02/13 23:05:29 alex
58 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
60 * Revision 1.56 2002/02/13 17:52:27 alex
61 * - es werden nun Channel- und User-Modes von Usern angenommen.
63 * Revision 1.55 2002/02/12 14:40:37 alex
64 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
66 * Revision 1.54 2002/02/11 23:33:35 alex
67 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
69 * Revision 1.53 2002/02/11 16:06:21 alex
70 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
72 * Revision 1.52 2002/02/11 15:52:21 alex
73 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
74 * - Channel-Modes wurden falsch geliefert (als User-Modes).
76 * Revision 1.51 2002/02/11 15:15:53 alex
77 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
78 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
80 * Revision 1.50 2002/02/11 01:03:20 alex
81 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
82 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
83 * angelegt wird, werden Channel-Operator, etc. pp. ...
84 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
86 * Revision 1.49 2002/02/06 16:51:22 alex
87 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
89 * Revision 1.48 2002/01/29 00:13:45 alex
90 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
91 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
92 * LINKS wieder korrekt.
94 * Revision 1.47 2002/01/28 13:05:48 alex
95 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
96 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
98 * Revision 1.46 2002/01/28 01:45:43 alex
99 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
101 * Revision 1.45 2002/01/28 01:18:14 alex
102 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
104 * Revision 1.44 2002/01/28 00:55:08 alex
105 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
107 * Revision 1.43 2002/01/27 21:56:39 alex
108 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
109 * - einige kleinere Fixes bezueglich Channels ...
111 * Revision 1.42 2002/01/27 18:28:01 alex
112 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
114 * Revision 1.41 2002/01/27 17:15:49 alex
115 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
116 * IRC_WriteStrChannelPrefix(),
117 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
119 * Revision 1.40 2002/01/26 18:43:11 alex
120 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
121 * die IRC_Write_xxx_Related() sind dafuer entfallen.
122 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
124 * Revision 1.39 2002/01/21 00:05:11 alex
125 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
126 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
127 * - diverse Aenderungen im Zusammenhang mit Channels.
129 * Revision 1.38 2002/01/18 15:31:32 alex
130 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
132 * Revision 1.37 2002/01/16 22:10:18 alex
133 * - IRC_LUSERS() implementiert.
135 * Revision 1.36 2002/01/11 23:50:55 alex
136 * - LINKS implementiert, LUSERS begonnen.
138 * Revision 1.35 2002/01/09 21:30:45 alex
139 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
141 * Revision 1.34 2002/01/09 01:09:58 alex
142 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
143 * - andere Server werden nun ueber bisherige Server und User informiert.
145 * Revision 1.33 2002/01/07 23:42:12 alex
146 * - Es werden fuer alle Server eigene Token generiert,
147 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
148 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
150 * Revision 1.32 2002/01/07 16:02:36 alex
151 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
152 * - Im Debug-Mode werden nun auch PING's protokolliert.
154 * Revision 1.31 2002/01/07 15:39:46 alex
155 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
156 * - MODE und NICK melden nun die Aenderungen an andere Server.
158 * Revision 1.30 2002/01/06 15:21:29 alex
159 * - Loglevel und Meldungen nochmals ueberarbeitet.
160 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
161 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
163 * Revision 1.29 2002/01/05 23:24:54 alex
164 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
165 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
167 * Revision 1.28 2002/01/05 20:08:02 alex
168 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
169 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
171 * Revision 1.27 2002/01/05 19:15:03 alex
172 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
174 * Revision 1.26 2002/01/05 16:51:18 alex
175 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
177 * Revision 1.25 2002/01/05 00:48:33 alex
178 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
180 * Revision 1.24 2002/01/04 17:58:44 alex
181 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
182 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
184 * Revision 1.23 2002/01/04 01:36:40 alex
185 * - Loglevel ein wenig angepasst.
187 * Revision 1.22 2002/01/04 01:21:47 alex
188 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
189 * - Weitere Anpassungen und Erweiterungen der Server-Links.
191 * Revision 1.21 2002/01/03 02:26:51 alex
192 * - neue Befehle SERVER und NJOIN begonnen,
193 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
195 * Revision 1.20 2002/01/02 12:46:41 alex
196 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
198 * Revision 1.19 2002/01/02 02:51:39 alex
199 * - Copyright-Texte angepasst.
200 * - neuer Befehl "ERROR".
202 * Revision 1.17 2001/12/31 15:33:13 alex
203 * - neuer Befehl NAMES, kleinere Bugfixes.
204 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
206 * Revision 1.16 2001/12/31 02:18:51 alex
207 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
208 * - neuen Header "defines.h" mit (fast) allen Konstanten.
209 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
211 * Revision 1.15 2001/12/30 19:26:11 alex
212 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
214 * Revision 1.14 2001/12/30 11:42:00 alex
215 * - der Server meldet nun eine ordentliche "Start-Zeit".
217 * Revision 1.13 2001/12/29 03:10:06 alex
218 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
219 * - neue configure-Optione "--enable-strict-rfc".
221 * Revision 1.12 2001/12/27 19:17:26 alex
222 * - neue Befehle PRIVMSG, NOTICE, PING.
224 * Revision 1.11 2001/12/27 16:55:41 alex
225 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
227 * Revision 1.10 2001/12/26 22:48:53 alex
228 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
230 * Revision 1.9 2001/12/26 14:45:37 alex
233 * Revision 1.8 2001/12/26 03:21:46 alex
234 * - PING/PONG-Befehle implementiert,
235 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
237 * Revision 1.7 2001/12/25 23:25:18 alex
238 * - und nochmal Aenderungen am Logging ;-)
240 * Revision 1.6 2001/12/25 23:13:33 alex
241 * - Debug-Meldungen angepasst.
243 * Revision 1.5 2001/12/25 22:02:42 alex
244 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
246 * Revision 1.4 2001/12/25 19:19:30 alex
247 * - bessere Fehler-Abfragen, diverse Bugfixes.
248 * - Nicks werden nur einmal vergeben :-)
249 * - /MOTD wird unterstuetzt.
251 * Revision 1.3 2001/12/24 01:34:06 alex
252 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
253 * - MOTD-Ausgabe begonnen zu implementieren.
255 * Revision 1.2 2001/12/23 21:57:16 alex
256 * - erste IRC-Befehle zu implementieren begonnen.
258 * Revision 1.1 2001/12/14 08:13:43 alex
259 * - neues Modul begonnen :-)
280 #include "messages.h"
288 #define CONNECTED TRUE
289 #define DISCONNECTED FALSE
292 LOCAL BOOLEAN Hello_User( CLIENT *Client );
293 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
295 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
297 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
298 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
300 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
303 GLOBAL VOID IRC_Init( VOID )
308 GLOBAL VOID IRC_Exit( VOID )
313 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
316 BOOLEAN ok = CONNECTED;
319 assert( Client != NULL );
320 assert( Format != NULL );
322 va_start( ap, Format );
323 vsnprintf( buffer, 1000, Format, ap );
326 /* an den Client selber */
327 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
330 } /* IRC_WriteStrClient */
333 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
335 /* Text an Clients, lokal bzw. remote, senden. */
340 assert( Client != NULL );
341 assert( Format != NULL );
342 assert( Prefix != NULL );
344 va_start( ap, Format );
345 vsnprintf( buffer, 1000, Format, ap );
348 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
349 } /* IRC_WriteStrClientPrefix */
352 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
357 assert( Client != NULL );
358 assert( Format != NULL );
360 va_start( ap, Format );
361 vsnprintf( buffer, 1000, Format, ap );
364 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
365 } /* IRC_WriteStrChannel */
368 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
370 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
377 assert( Client != NULL );
378 assert( Chan != NULL );
379 assert( Prefix != NULL );
380 assert( Format != NULL );
382 va_start( ap, Format );
383 vsnprintf( buffer, 1000, Format, ap );
386 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
388 /* An alle Clients, die in den selben Channels sind.
389 * Dabei aber nur einmal je Remote-Server */
390 cl2chan = Channel_FirstMember( Chan );
393 c = Channel_GetClient( cl2chan );
396 if( Client_Conn( c ) <= NONE ) c = NULL;
397 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
399 if( c ) c = Client_NextHop( c );
401 if( c && ( c != Client ))
403 /* Ok, anderer Client */
404 s = Client_Conn( c );
406 assert( s < MAX_CONNECTIONS );
408 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
409 else is_server[s] = FALSE;
411 cl2chan = Channel_NextMember( Chan, cl2chan );
415 for( i = 0; i < MAX_CONNECTIONS; i++ )
419 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
420 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
425 } /* IRC_WriteStrChannelPrefix */
428 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
433 assert( Format != NULL );
435 va_start( ap, Format );
436 vsnprintf( buffer, 1000, Format, ap );
439 /* an den Client selber */
440 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
441 } /* IRC_WriteStrServers */
444 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
450 assert( Format != NULL );
451 assert( Prefix != NULL );
453 va_start( ap, Format );
454 vsnprintf( buffer, 1000, Format, ap );
460 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
462 /* Ziel-Server gefunden */
463 IRC_WriteStrClientPrefix( c, Prefix, buffer );
465 c = Client_Next( c );
467 } /* IRC_WriteStrServersPrefix */
470 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
472 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
473 CL2CHAN *chan_cl2chan, *cl2chan;
480 assert( Client != NULL );
481 assert( Prefix != NULL );
482 assert( Format != NULL );
484 va_start( ap, Format );
485 vsnprintf( buffer, 1000, Format, ap );
489 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
491 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
492 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
493 chan_cl2chan = Channel_FirstChannelOf( Client );
494 while( chan_cl2chan )
496 /* Channel des Users durchsuchen */
497 chan = Channel_GetChannel( chan_cl2chan );
498 cl2chan = Channel_FirstMember( chan );
501 c = Channel_GetClient( cl2chan );
504 if( Client_Conn( c ) <= NONE ) c = NULL;
505 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
507 if( c ) c = Client_NextHop( c );
509 if( c && ( c != Client ))
511 /* Ok, anderer Client */
512 s = Client_Conn( c );
514 assert( s < MAX_CONNECTIONS );
516 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
517 else is_server[s] = FALSE;
519 cl2chan = Channel_NextMember( chan, cl2chan );
522 /* naechsten Channel */
523 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
527 for( i = 0; i < MAX_CONNECTIONS; i++ )
531 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
532 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
537 } /* IRC_WriteStrRelatedPrefix */
541 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
543 assert( Client != NULL );
544 assert( Req != NULL );
546 /* Fehler liefern, wenn kein lokaler Client */
547 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
549 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
551 /* noch nicht registrierte unbekannte Verbindung */
552 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
554 /* Passwort speichern */
555 Client_SetPassword( Client, Req->argv[0] );
557 Client_SetType( Client, CLIENT_GOTPASS );
560 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
562 /* noch nicht registrierte Server-Verbindung */
563 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
565 /* Passwort speichern */
566 Client_SetPassword( Client, Req->argv[0] );
568 Client_SetType( Client, CLIENT_GOTPASSSERVER );
571 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
573 /* Falsche Anzahl Parameter? */
574 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
576 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
580 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
582 CHAR str[LINE_LEN], *ptr;
583 CLIENT *from, *c, *cl;
589 assert( Client != NULL );
590 assert( Req != NULL );
592 /* Fehler liefern, wenn kein lokaler Client */
593 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
595 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
597 /* Verbindung soll als Server-Server-Verbindung registriert werden */
598 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
600 /* Falsche Anzahl Parameter? */
601 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
603 /* Ist dieser Server bei uns konfiguriert? */
604 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
605 if( i >= Conf_Server_Count )
607 /* Server ist nicht konfiguriert! */
608 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
609 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
612 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
614 /* Falsches Passwort */
615 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
616 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
620 /* Ist ein Server mit dieser ID bereits registriert? */
621 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
623 /* Server-Strukturen fuellen ;-) */
624 Client_SetID( Client, Req->argv[0] );
625 Client_SetHops( Client, 1 );
626 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
628 /* Meldet sich der Server bei uns an? */
631 /* Unseren SERVER- und PASS-Befehl senden */
633 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
634 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
637 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
640 Client_SetIntroducer( Client, Client );
641 Client_SetToken( Client, 1 );
643 else Client_SetToken( Client, atoi( Req->argv[1] ));
645 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
647 Client_SetType( Client, CLIENT_SERVER );
649 /* maximalen Hop Count ermitteln */
654 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
655 c = Client_Next( c );
658 /* Alle bisherigen Server dem neuen Server bekannt machen,
659 * die bisherigen Server ueber den neuen informierenn */
660 for( i = 0; i < ( max_hops + 1 ); i++ )
665 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
667 if( Client_Conn( c ) > NONE )
669 /* Dem gefundenen Server gleich den neuen
670 * Server bekannt machen */
671 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
674 /* Den neuen Server ueber den alten informieren */
675 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;
677 c = Client_Next( c );
681 /* alle User dem neuen Server bekannt machen */
685 if( Client_Type( c ) == CLIENT_USER )
687 /* User an neuen Server melden */
688 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;
690 c = Client_Next( c );
693 /* Channels dem neuen Server bekannt machen */
694 chan = Channel_First( );
697 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
699 /* alle Member suchen */
700 cl2chan = Channel_FirstMember( chan );
703 cl = Channel_GetClient( cl2chan );
704 assert( cl != NULL );
706 /* Nick, ggf. mit Modes, anhaengen */
707 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
708 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
709 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
710 strcat( str, Client_ID( cl ));
712 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
715 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
716 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
719 cl2chan = Channel_NextMember( chan, cl2chan );
723 if( str[strlen( str ) - 1] != ':')
725 /* Ja; Also senden ... */
726 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
729 /* naechsten Channel suchen */
730 chan = Channel_Next( chan );
735 else if( Client_Type( Client ) == CLIENT_SERVER )
737 /* Neuer Server wird im Netz angekuendigt */
739 /* Falsche Anzahl Parameter? */
740 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
742 /* Ist ein Server mit dieser ID bereits registriert? */
743 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
745 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
746 ptr = strchr( Req->argv[3] + 2, '[' );
747 if( ! ptr ) ptr = Req->argv[3];
749 from = Client_GetFromID( Req->prefix );
752 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
753 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
754 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
758 /* Neue Client-Struktur anlegen */
759 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
762 /* Neue Client-Struktur konnte nicht angelegt werden */
763 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
764 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
768 /* Log-Meldung zusammenbauen und ausgeben */
769 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
770 else strcpy( str, "" );
771 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": "" );
773 /* Andere Server informieren */
774 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
778 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
782 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
784 CHAR *channame, *ptr, modes[8];
785 BOOLEAN is_op, is_voiced;
789 assert( Client != NULL );
790 assert( Req != NULL );
792 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
794 /* Falsche Anzahl Parameter? */
795 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
797 channame = Req->argv[0];
798 ptr = strtok( Req->argv[1], "," );
801 is_op = is_voiced = FALSE;
803 /* Prefixe abschneiden */
804 while(( *ptr == '@' ) || ( *ptr == '+' ))
806 if( *ptr == '@' ) is_op = TRUE;
807 if( *ptr == '+' ) is_voiced = TRUE;
811 c = Client_GetFromID( ptr );
814 Channel_Join( c, channame );
815 chan = Channel_Search( channame );
816 assert( chan != NULL );
818 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
819 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
821 /* im Channel bekannt machen */
822 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
824 /* Channel-User-Modes setzen */
825 strcpy( modes, Channel_UserModes( chan, c ));
828 /* Modes im Channel bekannt machen */
829 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
832 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
834 /* naechsten Nick suchen */
835 ptr = strtok( NULL, "," );
838 /* an andere Server weiterleiten */
839 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
845 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
847 CLIENT *intr_c, *target, *c;
850 assert( Client != NULL );
851 assert( Req != NULL );
853 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
855 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 ))
857 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 ))
860 /* User-Registrierung bzw. Nick-Aenderung */
862 /* Falsche Anzahl Parameter? */
863 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
865 /* "Ziel-Client" ermitteln */
866 if( Client_Type( Client ) == CLIENT_SERVER )
868 target = Client_GetFromID( Req->prefix );
869 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
873 /* Ist der Client "restricted"? */
874 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
879 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
880 * wir nichts. So macht es das Original und mind. Snak hat probleme,
881 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
882 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
885 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
886 * will nur die Gross- und Kleinschreibung aendern. Das darf
887 * er natuerlich machen :-) */
888 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
890 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
893 /* Nick-Aenderung: allen mitteilen! */
895 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
896 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
897 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
899 /* Client-Nick registrieren */
900 Client_SetID( target, Req->argv[0] );
902 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
905 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
906 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
907 else Client_SetType( Client, CLIENT_GOTNICK );
909 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
913 else if( Client_Type( Client ) == CLIENT_SERVER )
915 /* Server fuehrt neuen Client ein */
917 /* Falsche Anzahl Parameter? */
918 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
920 /* Nick ueberpruefen */
921 c = Client_GetFromID( Req->argv[0] );
924 /* Der neue Nick ist auf diesem Server bereits registriert:
925 * sowohl der neue, als auch der alte Client muessen nun
926 * disconnectiert werden. */
927 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
928 Kill_Nick( Req->argv[0], "Nick collision" );
932 /* Server, zu dem der Client connectiert ist, suchen */
933 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
936 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
937 Kill_Nick( Req->argv[0], "Unknown server" );
941 /* Neue Client-Struktur anlegen */
942 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 );
945 /* Eine neue Client-Struktur konnte nicht angelegt werden.
946 * Der Client muss disconnectiert werden, damit der Netz-
947 * status konsistent bleibt. */
948 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
949 Kill_Nick( Req->argv[0], "Server error" );
953 modes = Client_Modes( c );
954 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": "" );
955 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": "" );
957 /* Andere Server, ausser dem Introducer, informieren */
958 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] );
962 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
966 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
968 assert( Client != NULL );
969 assert( Req != NULL );
972 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
974 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
977 /* Falsche Anzahl Parameter? */
978 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
980 Client_SetUser( Client, Req->argv[0], FALSE );
981 Client_SetInfo( Client, Req->argv[3] );
983 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
984 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
985 else Client_SetType( Client, CLIENT_GOTUSER );
988 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
990 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
992 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
996 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1000 assert( Client != NULL );
1001 assert( Req != NULL );
1003 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1005 /* User / Service */
1007 /* Falsche Anzahl Parameter? */
1008 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1010 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1011 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1013 return DISCONNECTED;
1015 else if ( Client_Type( Client ) == CLIENT_SERVER )
1019 /* Falsche Anzahl Parameter? */
1020 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1022 target = Client_Search( Req->prefix );
1025 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1029 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1030 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1034 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1038 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1042 assert( Client != NULL );
1043 assert( Req != NULL );
1045 /* SQUIT ist nur fuer Server erlaubt */
1046 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1048 /* Falsche Anzahl Parameter? */
1049 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1051 target = Client_GetFromID( Req->argv[0] );
1054 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1058 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1059 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1061 /* SQUIT an alle Server weiterleiten */
1062 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1064 if( Client_Conn( target ) > NONE )
1066 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1067 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1068 return DISCONNECTED;
1072 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1078 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1080 CLIENT *target, *from;
1082 assert( Client != NULL );
1083 assert( Req != NULL );
1085 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1087 /* Falsche Anzahl Parameter? */
1088 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1089 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1091 if( Req->argc == 2 )
1093 /* es wurde ein Ziel-Client angegeben */
1094 target = Client_GetFromID( Req->argv[1] );
1095 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1096 if( target != Client_ThisServer( ))
1099 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1101 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1102 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1106 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1107 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1111 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1113 CLIENT *target, *from;
1115 assert( Client != NULL );
1116 assert( Req != NULL );
1118 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1120 /* Falsche Anzahl Parameter? */
1121 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1122 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1125 if( Req->argc == 2 )
1127 target = Client_GetFromID( Req->argv[1] );
1128 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1129 if( target != Client_ThisServer( ))
1132 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1134 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1135 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1139 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1140 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1142 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1143 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1149 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1151 assert( Client != NULL );
1152 assert( Req != NULL );
1154 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1156 /* Falsche Anzahl Parameter? */
1157 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1159 return Show_MOTD( Client );
1163 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1168 assert( Client != NULL );
1169 assert( Req != NULL );
1171 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1173 /* Falsche Anzahl Parameter? */
1174 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1175 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1176 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1178 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1180 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1182 to = Client_Search( Req->argv[0] );
1185 /* Okay, Ziel ist ein User */
1186 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1187 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1190 chan = Channel_Search( Req->argv[0] );
1193 /* Okay, Ziel ist ein Channel */
1194 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1195 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1198 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1202 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1206 assert( Client != NULL );
1207 assert( Req != NULL );
1209 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1211 /* Falsche Anzahl Parameter? */
1212 if( Req->argc != 2 ) return CONNECTED;
1214 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1216 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1218 to = Client_Search( Req->argv[0] );
1221 /* Okay, Ziel ist ein User */
1222 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1224 else return CONNECTED;
1228 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1230 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1231 CLIENT *cl, *chan_cl, *prefix;
1235 assert( Client != NULL );
1236 assert( Req != NULL );
1238 cl = chan_cl = prefix = NULL;
1241 /* Valider Client? */
1242 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1244 /* Keine Parameter? */
1245 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1247 /* Ziel suchen: Client bzw. Channel */
1248 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1249 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1251 /* Kein Ziel gefunden? */
1252 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1254 assert(( cl && chan ) != TRUE );
1256 /* Falsche Anzahl Parameter? */
1257 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1258 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1260 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1261 if(( chan ) && (Req->argc == 3 ))
1263 chan_cl = Client_Search( Req->argv[2] );
1264 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1267 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1268 if( Client_Type( Client ) == CLIENT_USER )
1272 /* MODE ist nur fuer sich selber zulaessig! */
1273 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1277 /* Darf der User die Channel-Modes ermitteln? */
1281 /* Werden die Modes "nur" erfragt? */
1282 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1283 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1285 mode_ptr = Req->argv[1];
1287 /* Sollen Modes gesetzt oder geloescht werden? */
1290 if( *mode_ptr == '+' ) set = TRUE;
1291 else if( *mode_ptr == '-' ) set = FALSE;
1292 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1297 if( *mode_ptr == '-' ) set = FALSE;
1299 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1302 /* Prefix fuer Antworten etc. ermitteln */
1303 if( Client_Type( Client ) == CLIENT_SERVER )
1305 prefix = Client_GetFromID( Req->prefix );
1306 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1308 else prefix = Client;
1310 /* Reply-String mit Aenderungen vorbereiten */
1311 if( set ) strcpy( the_modes, "+" );
1312 else strcpy( the_modes, "-" );
1319 if( Client_Type( Client ) == CLIENT_SERVER )
1321 /* Befehl kommt von einem Server, daher
1322 * trauen wir ihm "unbesehen" ... */
1327 /* Modes validieren */
1338 /* restricted (kann nur gesetzt werden) */
1339 if( set ) x[0] = 'r';
1340 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1343 /* operator (kann nur geloescht werden) */
1346 Client_SetOperByMe( Client, FALSE );
1349 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1352 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1353 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1359 /* Ist der User ein Channel Operator? */
1360 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1362 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1363 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1367 /* Channel-Modes oder Channel-User-Modes */
1370 /* Channel-User-Modes */
1374 /* Channel Operator */
1382 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 ));
1383 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1401 /* kein Schreiben in den Channel von aussen */
1421 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1422 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1431 if( ! x[0] ) continue;
1433 /* Okay, gueltigen Mode gefunden */
1436 /* Es geht um User-Modes */
1439 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1440 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1444 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1445 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1450 /* Es geht um Channel-Modes oder Channel-User-Modes */
1453 /* Channel-User-Modes */
1456 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1457 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1461 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1462 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1470 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1471 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1475 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1476 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1482 /* Wurden Modes geaendert? */
1488 if( Client_Type( Client ) == CLIENT_SERVER )
1490 /* Modes an andere Server forwarden */
1491 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1495 /* Bestaetigung an Client schicken & andere Server informieren */
1496 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1497 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1499 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1503 /* Channel-Modes oder Channel-User-Mode */
1506 /* Channel-User-Mode */
1507 if( Client_Type( Client ) == CLIENT_SERVER )
1509 /* Modes an andere Server und Channel-User forwarden */
1510 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1511 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1515 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1516 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1517 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1518 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1520 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1525 if( Client_Type( Client ) == CLIENT_SERVER )
1527 /* Modes an andere Server und Channel-User forwarden */
1528 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1529 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1533 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1534 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1535 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1536 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1538 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1547 GLOBAL BOOLEAN IRC_OPER( 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 != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1559 /* Operator suchen */
1560 for( i = 0; i < Conf_Oper_Count; i++)
1562 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1564 if( i >= Conf_Oper_Count )
1566 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1567 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1570 /* Stimmt das Passwort? */
1571 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1573 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1574 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1577 if( ! Client_HasMode( Client, 'o' ))
1579 /* noch kein o-Mode gesetzt */
1580 Client_ModeAdd( Client, 'o' );
1581 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1582 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1585 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1587 Client_SetOperByMe( Client, TRUE );
1588 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1592 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1594 assert( Client != NULL );
1595 assert( Req != NULL );
1597 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1599 /* Falsche Anzahl Parameter? */
1600 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1602 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1604 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1610 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1612 assert( Client != NULL );
1613 assert( Req != NULL );
1615 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1617 /* Falsche Anzahl Parameter? */
1618 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1620 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1622 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1623 NGIRCd_Restart = TRUE;
1628 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1630 CHAR rpl[COMMAND_LEN];
1633 assert( Client != NULL );
1634 assert( Req != NULL );
1636 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1638 /* Falsche Anzahl Parameter? */
1639 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1641 /* Noch alle User ausgeben, die in keinem Channel sind */
1643 c = Client_First( );
1646 if( Client_Type( c ) == CLIENT_USER )
1648 /* Okay, das ist ein User */
1649 strcat( rpl, Client_ID( c ));
1653 /* Antwort zu lang? Splitten. */
1654 if( strlen( rpl ) > 480 )
1656 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1657 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1661 c = Client_Next( c );
1665 /* es wurden User gefunden */
1666 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1667 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1669 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1673 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1675 CHAR rpl[COMMAND_LEN];
1680 assert( Client != NULL );
1681 assert( Req != NULL );
1683 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1685 /* Falsche Anzahl Parameter? */
1686 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1688 strcpy( rpl, RPL_ISON_MSG );
1689 for( i = 0; i < Req->argc; i++ )
1691 ptr = strtok( Req->argv[i], " " );
1695 c = Client_GetFromID( ptr );
1696 if( c && ( Client_Type( c ) == CLIENT_USER ))
1698 /* Dieser Nick ist "online" */
1702 ptr = strtok( NULL, " " );
1705 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1707 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1711 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1713 CLIENT *from, *target, *c;
1714 CHAR str[LINE_LEN + 1], *ptr = NULL;
1718 assert( Client != NULL );
1719 assert( Req != NULL );
1721 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1723 /* Falsche Anzahl Parameter? */
1724 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1727 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1728 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1730 /* Empfaenger des WHOIS suchen */
1731 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1733 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1735 /* Forwarden an anderen Server? */
1738 /* angegebenen Ziel-Server suchen */
1739 target = Client_GetFromID( Req->argv[1] );
1740 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1743 else target = Client_ThisServer( );
1745 assert( target != NULL );
1747 if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
1749 /* Nick, User und Name */
1750 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1753 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;
1756 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1757 cl2chan = Channel_FirstChannelOf( c );
1760 chan = Channel_GetChannel( cl2chan );
1761 assert( chan != NULL );
1763 /* Channel-Name anhaengen */
1764 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1765 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1766 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1767 strcat( str, Channel_Name( chan ));
1769 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1771 /* Zeile wird zu lang: senden! */
1772 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1773 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1776 /* naechstes Mitglied suchen */
1777 cl2chan = Channel_NextChannelOf( c, cl2chan );
1779 if( str[strlen( str ) - 1] != ':')
1781 /* Es sind noch Daten da, die gesendet werden muessen */
1782 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1786 if( Client_HasMode( c, 'o' ))
1788 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1791 /* Idle (nur lokale Clients) */
1792 if( Client_Conn( c ) > NONE )
1794 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1798 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1802 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1804 CHAR rpl[COMMAND_LEN];
1808 assert( Client != NULL );
1809 assert( Req != NULL );
1811 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1813 /* Falsche Anzahl Parameter? */
1814 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1816 if( Req->argc > 5 ) max = 5;
1817 else max = Req->argc;
1819 strcpy( rpl, RPL_USERHOST_MSG );
1820 for( i = 0; i < max; i++ )
1822 c = Client_GetFromID( Req->argv[i] );
1823 if( c && ( Client_Type( c ) == CLIENT_USER ))
1825 /* Dieser Nick ist "online" */
1826 strcat( rpl, Client_ID( c ));
1827 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1829 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1830 else strcat( rpl, "+" );
1831 strcat( rpl, Client_User( c ));
1833 strcat( rpl, Client_Hostname( c ));
1837 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1839 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1840 } /* IRC_USERHOST */
1843 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1845 assert( Client != NULL );
1846 assert( Req != NULL );
1848 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1849 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1855 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1857 CLIENT *target, *from;
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 /* Absender ermitteln */
1868 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1870 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1872 /* An anderen Server forwarden? */
1873 if( Req->argc == 2 )
1875 target = Client_GetFromID( Req->argv[1] );
1876 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1877 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1880 /* Wer ist der Absender? */
1881 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1882 else target = Client;
1883 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1885 Send_LUSERS( target );
1891 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1893 CLIENT *target, *from, *c;
1896 assert( Client != NULL );
1897 assert( Req != NULL );
1899 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1901 /* Falsche Anzahl Parameter? */
1902 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1904 /* Server-Mask ermitteln */
1905 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1908 /* Absender ermitteln */
1909 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1911 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1913 /* An anderen Server forwarden? */
1914 if( Req->argc == 2 )
1916 target = Client_GetFromID( Req->argv[0] );
1917 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1918 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1921 /* Wer ist der Absender? */
1922 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1923 else target = Client;
1924 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1926 c = Client_First( );
1929 if( Client_Type( c ) == CLIENT_SERVER )
1931 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;
1933 c = Client_Next( c );
1936 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1940 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1942 CHAR *channame, *flags, modes[8];
1943 BOOLEAN is_new_chan;
1947 assert( Client != NULL );
1948 assert( Req != NULL );
1950 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1952 /* Falsche Anzahl Parameter? */
1953 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1955 /* Wer ist der Absender? */
1956 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1957 else target = Client;
1958 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1960 /* Channel-Namen durchgehen */
1961 channame = strtok( Req->argv[0], "," );
1964 /* wird der Channel neu angelegt? */
1967 if( Channel_Search( channame )) is_new_chan = FALSE;
1968 else is_new_chan = TRUE;
1970 /* Hat ein Server Channel-User-Modes uebergeben? */
1971 if( Client_Type( Client ) == CLIENT_SERVER )
1973 /* Channel-Flags extrahieren */
1974 flags = strchr( channame, 0x7 );
1975 if( flags ) *flags++ = '\0';
1978 /* neuer Channel udn lokaler Client? */
1979 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1981 /* Dann soll der Client Channel-Operator werden! */
1985 /* Channel joinen (und ggf. anlegen) */
1986 if( ! Channel_Join( target, channame ))
1988 /* naechsten Namen ermitteln */
1989 channame = strtok( NULL, "," );
1992 chan = Channel_Search( channame );
1993 assert( chan != NULL );
1995 /* Modes setzen (wenn vorhanden) */
1996 while( flags && *flags )
1998 Channel_UserModeAdd( chan, target, *flags );
2002 /* Muessen Modes an andere Server gemeldet werden? */
2003 strcpy( &modes[1], Channel_UserModes( chan, target ));
2004 if( modes[1] ) modes[0] = 0x7;
2005 else modes[0] = '\0';
2007 /* An andere Server weiterleiten */
2008 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2010 /* im Channel bekannt machen */
2011 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2014 /* Modes im Channel bekannt machen */
2015 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2018 if( Client_Type( Client ) == CLIENT_USER )
2020 /* an Client bestaetigen */
2021 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2022 /* Topic an Client schicken */
2023 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2024 /* Mitglieder an Client Melden */
2025 Send_NAMES( Client, chan );
2028 /* naechsten Namen ermitteln */
2029 channame = strtok( NULL, "," );
2035 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2040 assert( Client != NULL );
2041 assert( Req != NULL );
2043 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2045 /* Falsche Anzahl Parameter? */
2046 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2048 /* Wer ist der Absender? */
2049 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2050 else target = Client;
2051 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2053 /* Channel-Namen durchgehen */
2054 chan = strtok( Req->argv[0], "," );
2057 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2059 /* naechsten Namen ermitteln */
2060 chan = strtok( NULL, "," );
2064 /* naechsten Namen ermitteln */
2065 chan = strtok( NULL, "," );
2071 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2073 CLIENT *target, *prefix;
2075 assert( Client != NULL );
2076 assert( Req != NULL );
2078 /* Falsche Anzahl Parameter? */
2079 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2082 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2083 else target = Client_ThisServer( );
2085 /* Prefix ermitteln */
2086 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2087 else prefix = Client;
2088 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2090 /* An anderen Server weiterleiten? */
2091 if( target != Client_ThisServer( ))
2093 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2096 IRC_WriteStrClientPrefix( Client_NextHop( target ), prefix, "VERSION %s", Req->argv[0] );
2100 /* mit Versionsinfo antworten */
2101 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2105 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2109 assert( Client != NULL );
2110 assert( Req != NULL );
2112 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2114 /* Falsche Anzahl Parameter? */
2115 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2117 prefix = Client_GetFromID( Req->prefix );
2120 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2121 prefix = Client_ThisServer( );
2124 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2126 /* andere Server benachrichtigen */
2127 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2129 /* haben wir selber einen solchen Client? */
2130 c = Client_GetFromID( Req->argv[0] );
2131 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2137 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2139 assert( Client != NULL );
2141 /* Passwort ueberpruefen */
2142 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2144 /* Falsches Passwort */
2145 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2146 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2147 return DISCONNECTED;
2150 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2152 /* Andere Server informieren */
2153 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 ));
2155 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2156 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2157 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2158 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2160 Client_SetType( Client, CLIENT_USER );
2162 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2163 if( ! Show_MOTD( Client )) return DISCONNECTED;
2169 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2175 assert( Client != NULL );
2177 fd = fopen( Conf_MotdFile, "r" );
2180 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2181 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2184 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2187 if( ! fgets( line, 126, fd )) break;
2188 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2189 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2195 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2203 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2207 assert( Nick != NULL );
2208 assert( Reason != NULL );
2210 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2212 /* andere Server benachrichtigen */
2213 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2215 /* Ggf. einen eigenen Client toeten */
2216 c = Client_GetFromID( Nick );
2217 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2221 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2223 CHAR str[LINE_LEN + 1];
2227 assert( Client != NULL );
2228 assert( Chan != NULL );
2230 /* Alle Mitglieder suchen */
2231 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2232 cl2chan = Channel_FirstMember( Chan );
2235 cl = Channel_GetClient( cl2chan );
2237 /* Nick anhaengen */
2238 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2239 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2240 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2241 strcat( str, Client_ID( cl ));
2243 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2245 /* Zeile wird zu lang: senden! */
2246 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2247 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2250 /* naechstes Mitglied suchen */
2251 cl2chan = Channel_NextMember( Chan, cl2chan );
2253 if( str[strlen( str ) - 1] != ':')
2255 /* Es sind noch Daten da, die gesendet werden muessen */
2256 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2260 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2266 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2270 assert( Client != NULL );
2272 /* Users, Services und Serevr im Netz */
2273 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2275 /* IRC-Operatoren im Netz */
2276 cnt = Client_OperCount( );
2279 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2282 /* Unbekannt Verbindungen */
2283 cnt = Client_UnknownCount( );
2286 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2289 /* Channels im Netz */
2290 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2292 /* Channels im Netz */
2293 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2299 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2301 assert( Target != NULL );
2302 assert( Client != NULL );
2304 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2305 else return Client_Mask( Client );