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 1.71 2002/02/27 00:50:05 alex Exp $
17 * Revision 1.71 2002/02/27 00:50:05 alex
18 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
19 * - NAMES korrigiert und komplett implementiert.
21 * Revision 1.70 2002/02/26 22:06:40 alex
22 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
24 * Revision 1.69 2002/02/26 20:52:40 alex
25 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
27 * Revision 1.68 2002/02/25 17:46:27 alex
28 * - an User wird nun immer ein "komplettes" Prefix verschickt.
30 * Revision 1.67 2002/02/25 13:21:25 alex
31 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
32 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
34 * Revision 1.66 2002/02/23 21:39:48 alex
35 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
37 * Revision 1.65 2002/02/23 00:03:54 alex
38 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
40 * Revision 1.64 2002/02/19 20:06:45 alex
41 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
42 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
44 * Revision 1.63 2002/02/19 02:21:17 alex
45 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
46 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
48 * Revision 1.62 2002/02/17 23:38:58 alex
49 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
51 * Revision 1.61 2002/02/17 19:03:12 alex
52 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
54 * Revision 1.60 2002/02/17 17:43:14 alex
55 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
57 * Revision 1.59 2002/02/17 17:30:21 alex
58 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
59 * - Neue Funktion IRC_WriteStrRelatedPrefix().
61 * Revision 1.58 2002/02/17 17:18:59 alex
64 * Revision 1.57 2002/02/13 23:05:29 alex
65 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
67 * Revision 1.56 2002/02/13 17:52:27 alex
68 * - es werden nun Channel- und User-Modes von Usern angenommen.
70 * Revision 1.55 2002/02/12 14:40:37 alex
71 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
73 * Revision 1.54 2002/02/11 23:33:35 alex
74 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
76 * Revision 1.53 2002/02/11 16:06:21 alex
77 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
79 * Revision 1.52 2002/02/11 15:52:21 alex
80 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
81 * - Channel-Modes wurden falsch geliefert (als User-Modes).
83 * Revision 1.51 2002/02/11 15:15:53 alex
84 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
85 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
87 * Revision 1.50 2002/02/11 01:03:20 alex
88 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
89 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
90 * angelegt wird, werden Channel-Operator, etc. pp. ...
91 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
93 * Revision 1.49 2002/02/06 16:51:22 alex
94 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
96 * Revision 1.48 2002/01/29 00:13:45 alex
97 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
98 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
99 * LINKS wieder korrekt.
101 * Revision 1.47 2002/01/28 13:05:48 alex
102 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
103 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
105 * Revision 1.46 2002/01/28 01:45:43 alex
106 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
108 * Revision 1.45 2002/01/28 01:18:14 alex
109 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
111 * Revision 1.44 2002/01/28 00:55:08 alex
112 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
114 * Revision 1.43 2002/01/27 21:56:39 alex
115 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
116 * - einige kleinere Fixes bezueglich Channels ...
118 * Revision 1.42 2002/01/27 18:28:01 alex
119 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
121 * Revision 1.41 2002/01/27 17:15:49 alex
122 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
123 * IRC_WriteStrChannelPrefix(),
124 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
126 * Revision 1.40 2002/01/26 18:43:11 alex
127 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
128 * die IRC_Write_xxx_Related() sind dafuer entfallen.
129 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
131 * Revision 1.39 2002/01/21 00:05:11 alex
132 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
133 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
134 * - diverse Aenderungen im Zusammenhang mit Channels.
136 * Revision 1.38 2002/01/18 15:31:32 alex
137 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
139 * Revision 1.37 2002/01/16 22:10:18 alex
140 * - IRC_LUSERS() implementiert.
142 * Revision 1.36 2002/01/11 23:50:55 alex
143 * - LINKS implementiert, LUSERS begonnen.
145 * Revision 1.35 2002/01/09 21:30:45 alex
146 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
148 * Revision 1.34 2002/01/09 01:09:58 alex
149 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
150 * - andere Server werden nun ueber bisherige Server und User informiert.
152 * Revision 1.33 2002/01/07 23:42:12 alex
153 * - Es werden fuer alle Server eigene Token generiert,
154 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
155 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
157 * Revision 1.32 2002/01/07 16:02:36 alex
158 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
159 * - Im Debug-Mode werden nun auch PING's protokolliert.
161 * Revision 1.31 2002/01/07 15:39:46 alex
162 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
163 * - MODE und NICK melden nun die Aenderungen an andere Server.
165 * Revision 1.30 2002/01/06 15:21:29 alex
166 * - Loglevel und Meldungen nochmals ueberarbeitet.
167 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
168 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
170 * Revision 1.29 2002/01/05 23:24:54 alex
171 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
172 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
174 * Revision 1.28 2002/01/05 20:08:02 alex
175 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
176 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
178 * Revision 1.27 2002/01/05 19:15:03 alex
179 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
181 * Revision 1.26 2002/01/05 16:51:18 alex
182 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
184 * Revision 1.25 2002/01/05 00:48:33 alex
185 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
187 * Revision 1.24 2002/01/04 17:58:44 alex
188 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
189 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
191 * Revision 1.23 2002/01/04 01:36:40 alex
192 * - Loglevel ein wenig angepasst.
194 * Revision 1.22 2002/01/04 01:21:47 alex
195 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
196 * - Weitere Anpassungen und Erweiterungen der Server-Links.
198 * Revision 1.21 2002/01/03 02:26:51 alex
199 * - neue Befehle SERVER und NJOIN begonnen,
200 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
202 * Revision 1.20 2002/01/02 12:46:41 alex
203 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
205 * Revision 1.19 2002/01/02 02:51:39 alex
206 * - Copyright-Texte angepasst.
207 * - neuer Befehl "ERROR".
209 * Revision 1.17 2001/12/31 15:33:13 alex
210 * - neuer Befehl NAMES, kleinere Bugfixes.
211 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
213 * Revision 1.16 2001/12/31 02:18:51 alex
214 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
215 * - neuen Header "defines.h" mit (fast) allen Konstanten.
216 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
218 * Revision 1.15 2001/12/30 19:26:11 alex
219 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
221 * Revision 1.14 2001/12/30 11:42:00 alex
222 * - der Server meldet nun eine ordentliche "Start-Zeit".
224 * Revision 1.13 2001/12/29 03:10:06 alex
225 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
226 * - neue configure-Optione "--enable-strict-rfc".
228 * Revision 1.12 2001/12/27 19:17:26 alex
229 * - neue Befehle PRIVMSG, NOTICE, PING.
231 * Revision 1.11 2001/12/27 16:55:41 alex
232 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
234 * Revision 1.10 2001/12/26 22:48:53 alex
235 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
237 * Revision 1.9 2001/12/26 14:45:37 alex
240 * Revision 1.8 2001/12/26 03:21:46 alex
241 * - PING/PONG-Befehle implementiert,
242 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
244 * Revision 1.7 2001/12/25 23:25:18 alex
245 * - und nochmal Aenderungen am Logging ;-)
247 * Revision 1.6 2001/12/25 23:13:33 alex
248 * - Debug-Meldungen angepasst.
250 * Revision 1.5 2001/12/25 22:02:42 alex
251 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
253 * Revision 1.4 2001/12/25 19:19:30 alex
254 * - bessere Fehler-Abfragen, diverse Bugfixes.
255 * - Nicks werden nur einmal vergeben :-)
256 * - /MOTD wird unterstuetzt.
258 * Revision 1.3 2001/12/24 01:34:06 alex
259 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
260 * - MOTD-Ausgabe begonnen zu implementieren.
262 * Revision 1.2 2001/12/23 21:57:16 alex
263 * - erste IRC-Befehle zu implementieren begonnen.
265 * Revision 1.1 2001/12/14 08:13:43 alex
266 * - neues Modul begonnen :-)
287 #include "messages.h"
295 #define CONNECTED TRUE
296 #define DISCONNECTED FALSE
299 LOCAL BOOLEAN Hello_User( CLIENT *Client );
300 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
302 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
304 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
305 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
307 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
310 GLOBAL VOID IRC_Init( VOID )
315 GLOBAL VOID IRC_Exit( VOID )
320 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
323 BOOLEAN ok = CONNECTED;
326 assert( Client != NULL );
327 assert( Format != NULL );
329 va_start( ap, Format );
330 vsnprintf( buffer, 1000, Format, ap );
333 /* an den Client selber */
334 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
337 } /* IRC_WriteStrClient */
340 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
342 /* Text an Clients, lokal bzw. remote, senden. */
347 assert( Client != NULL );
348 assert( Format != NULL );
349 assert( Prefix != NULL );
351 va_start( ap, Format );
352 vsnprintf( buffer, 1000, Format, ap );
355 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
356 } /* IRC_WriteStrClientPrefix */
359 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
364 assert( Client != NULL );
365 assert( Format != NULL );
367 va_start( ap, Format );
368 vsnprintf( buffer, 1000, Format, ap );
371 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
372 } /* IRC_WriteStrChannel */
375 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
377 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
384 assert( Client != NULL );
385 assert( Chan != NULL );
386 assert( Prefix != NULL );
387 assert( Format != NULL );
389 va_start( ap, Format );
390 vsnprintf( buffer, 1000, Format, ap );
393 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
395 /* An alle Clients, die in den selben Channels sind.
396 * Dabei aber nur einmal je Remote-Server */
397 cl2chan = Channel_FirstMember( Chan );
400 c = Channel_GetClient( cl2chan );
403 if( Client_Conn( c ) <= NONE ) c = NULL;
404 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
406 if( c ) c = Client_NextHop( c );
408 if( c && ( c != Client ))
410 /* Ok, anderer Client */
411 s = Client_Conn( c );
413 assert( s < MAX_CONNECTIONS );
415 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
416 else is_server[s] = FALSE;
418 cl2chan = Channel_NextMember( Chan, cl2chan );
422 for( i = 0; i < MAX_CONNECTIONS; i++ )
426 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
427 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
432 } /* IRC_WriteStrChannelPrefix */
435 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
440 assert( Format != NULL );
442 va_start( ap, Format );
443 vsnprintf( buffer, 1000, Format, ap );
446 /* an den Client selber */
447 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
448 } /* IRC_WriteStrServers */
451 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
457 assert( Format != NULL );
458 assert( Prefix != NULL );
460 va_start( ap, Format );
461 vsnprintf( buffer, 1000, Format, ap );
467 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
469 /* Ziel-Server gefunden */
470 IRC_WriteStrClientPrefix( c, Prefix, buffer );
472 c = Client_Next( c );
474 } /* IRC_WriteStrServersPrefix */
477 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
479 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
480 CL2CHAN *chan_cl2chan, *cl2chan;
487 assert( Client != NULL );
488 assert( Prefix != NULL );
489 assert( Format != NULL );
491 va_start( ap, Format );
492 vsnprintf( buffer, 1000, Format, ap );
496 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
498 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
499 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
500 chan_cl2chan = Channel_FirstChannelOf( Client );
501 while( chan_cl2chan )
503 /* Channel des Users durchsuchen */
504 chan = Channel_GetChannel( chan_cl2chan );
505 cl2chan = Channel_FirstMember( chan );
508 c = Channel_GetClient( cl2chan );
511 if( Client_Conn( c ) <= NONE ) c = NULL;
512 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
514 if( c ) c = Client_NextHop( c );
516 if( c && ( c != Client ))
518 /* Ok, anderer Client */
519 s = Client_Conn( c );
521 assert( s < MAX_CONNECTIONS );
523 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
524 else is_server[s] = FALSE;
526 cl2chan = Channel_NextMember( chan, cl2chan );
529 /* naechsten Channel */
530 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
534 for( i = 0; i < MAX_CONNECTIONS; i++ )
538 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
539 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
544 } /* IRC_WriteStrRelatedPrefix */
548 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
550 assert( Client != NULL );
551 assert( Req != NULL );
553 /* Fehler liefern, wenn kein lokaler Client */
554 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
556 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
558 /* noch nicht registrierte unbekannte Verbindung */
559 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
561 /* Passwort speichern */
562 Client_SetPassword( Client, Req->argv[0] );
564 Client_SetType( Client, CLIENT_GOTPASS );
567 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
569 /* noch nicht registrierte Server-Verbindung */
570 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
572 /* Passwort speichern */
573 Client_SetPassword( Client, Req->argv[0] );
575 Client_SetType( Client, CLIENT_GOTPASSSERVER );
578 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
580 /* Falsche Anzahl Parameter? */
581 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
583 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
587 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
589 CHAR str[LINE_LEN], *ptr;
590 CLIENT *from, *c, *cl;
596 assert( Client != NULL );
597 assert( Req != NULL );
599 /* Fehler liefern, wenn kein lokaler Client */
600 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
602 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
604 /* Verbindung soll als Server-Server-Verbindung registriert werden */
605 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
607 /* Falsche Anzahl Parameter? */
608 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
610 /* Ist dieser Server bei uns konfiguriert? */
611 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
612 if( i >= Conf_Server_Count )
614 /* Server ist nicht konfiguriert! */
615 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
616 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
619 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
621 /* Falsches Passwort */
622 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
623 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
627 /* Ist ein Server mit dieser ID bereits registriert? */
628 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
630 /* Server-Strukturen fuellen ;-) */
631 Client_SetID( Client, Req->argv[0] );
632 Client_SetHops( Client, 1 );
633 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
635 /* Meldet sich der Server bei uns an? */
638 /* Unseren SERVER- und PASS-Befehl senden */
640 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
641 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
644 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
647 Client_SetIntroducer( Client, Client );
648 Client_SetToken( Client, 1 );
650 else Client_SetToken( Client, atoi( Req->argv[1] ));
652 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
654 Client_SetType( Client, CLIENT_SERVER );
656 /* maximalen Hop Count ermitteln */
661 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
662 c = Client_Next( c );
665 /* Alle bisherigen Server dem neuen Server bekannt machen,
666 * die bisherigen Server ueber den neuen informierenn */
667 for( i = 0; i < ( max_hops + 1 ); i++ )
672 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
674 if( Client_Conn( c ) > NONE )
676 /* Dem gefundenen Server gleich den neuen
677 * Server bekannt machen */
678 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
681 /* Den neuen Server ueber den alten informieren */
682 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;
684 c = Client_Next( c );
688 /* alle User dem neuen Server bekannt machen */
692 if( Client_Type( c ) == CLIENT_USER )
694 /* User an neuen Server melden */
695 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;
697 c = Client_Next( c );
700 /* Channels dem neuen Server bekannt machen */
701 chan = Channel_First( );
704 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
706 /* alle Member suchen */
707 cl2chan = Channel_FirstMember( chan );
710 cl = Channel_GetClient( cl2chan );
711 assert( cl != NULL );
713 /* Nick, ggf. mit Modes, anhaengen */
714 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
715 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
716 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
717 strcat( str, Client_ID( cl ));
719 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
722 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
723 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
726 cl2chan = Channel_NextMember( chan, cl2chan );
730 if( str[strlen( str ) - 1] != ':')
732 /* Ja; Also senden ... */
733 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
736 /* naechsten Channel suchen */
737 chan = Channel_Next( chan );
742 else if( Client_Type( Client ) == CLIENT_SERVER )
744 /* Neuer Server wird im Netz angekuendigt */
746 /* Falsche Anzahl Parameter? */
747 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
749 /* Ist ein Server mit dieser ID bereits registriert? */
750 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
752 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
753 ptr = strchr( Req->argv[3] + 2, '[' );
754 if( ! ptr ) ptr = Req->argv[3];
756 from = Client_GetFromID( Req->prefix );
759 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
760 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
761 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
765 /* Neue Client-Struktur anlegen */
766 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
769 /* Neue Client-Struktur konnte nicht angelegt werden */
770 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
771 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
775 /* Log-Meldung zusammenbauen und ausgeben */
776 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
777 else strcpy( str, "" );
778 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": "" );
780 /* Andere Server informieren */
781 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
785 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
789 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
791 CHAR *channame, *ptr, modes[8];
792 BOOLEAN is_op, is_voiced;
796 assert( Client != NULL );
797 assert( Req != NULL );
799 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
801 /* Falsche Anzahl Parameter? */
802 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
804 channame = Req->argv[0];
805 ptr = strtok( Req->argv[1], "," );
808 is_op = is_voiced = FALSE;
810 /* Prefixe abschneiden */
811 while(( *ptr == '@' ) || ( *ptr == '+' ))
813 if( *ptr == '@' ) is_op = TRUE;
814 if( *ptr == '+' ) is_voiced = TRUE;
818 c = Client_GetFromID( ptr );
821 Channel_Join( c, channame );
822 chan = Channel_Search( channame );
823 assert( chan != NULL );
825 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
826 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
828 /* im Channel bekannt machen */
829 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
831 /* Channel-User-Modes setzen */
832 strcpy( modes, Channel_UserModes( chan, c ));
835 /* Modes im Channel bekannt machen */
836 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
839 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
841 /* naechsten Nick suchen */
842 ptr = strtok( NULL, "," );
845 /* an andere Server weiterleiten */
846 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
852 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
854 CLIENT *intr_c, *target, *c;
857 assert( Client != NULL );
858 assert( Req != NULL );
860 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
862 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 ))
864 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 ))
867 /* User-Registrierung bzw. Nick-Aenderung */
869 /* Falsche Anzahl Parameter? */
870 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
872 /* "Ziel-Client" ermitteln */
873 if( Client_Type( Client ) == CLIENT_SERVER )
875 target = Client_GetFromID( Req->prefix );
876 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
880 /* Ist der Client "restricted"? */
881 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
886 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
887 * wir nichts. So macht es das Original und mind. Snak hat probleme,
888 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
889 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
892 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
893 * will nur die Gross- und Kleinschreibung aendern. Das darf
894 * er natuerlich machen :-) */
895 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
897 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
900 /* Nick-Aenderung: allen mitteilen! */
902 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
903 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
904 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
906 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
909 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
910 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
911 else Client_SetType( Client, CLIENT_GOTNICK );
913 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
915 /* Client-Nick registrieren */
916 Client_SetID( target, Req->argv[0] );
920 else if( Client_Type( Client ) == CLIENT_SERVER )
922 /* Server fuehrt neuen Client ein */
924 /* Falsche Anzahl Parameter? */
925 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
927 /* Nick ueberpruefen */
928 c = Client_GetFromID( Req->argv[0] );
931 /* Der neue Nick ist auf diesem Server bereits registriert:
932 * sowohl der neue, als auch der alte Client muessen nun
933 * disconnectiert werden. */
934 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
935 Kill_Nick( Req->argv[0], "Nick collision" );
939 /* Server, zu dem der Client connectiert ist, suchen */
940 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
943 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
944 Kill_Nick( Req->argv[0], "Unknown server" );
948 /* Neue Client-Struktur anlegen */
949 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 );
952 /* Eine neue Client-Struktur konnte nicht angelegt werden.
953 * Der Client muss disconnectiert werden, damit der Netz-
954 * status konsistent bleibt. */
955 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
956 Kill_Nick( Req->argv[0], "Server error" );
960 modes = Client_Modes( c );
961 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": "" );
962 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": "" );
964 /* Andere Server, ausser dem Introducer, informieren */
965 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] );
969 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
973 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
975 assert( Client != NULL );
976 assert( Req != NULL );
979 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
981 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
984 /* Falsche Anzahl Parameter? */
985 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
987 Client_SetUser( Client, Req->argv[0], FALSE );
988 Client_SetInfo( Client, Req->argv[3] );
990 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
991 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
992 else Client_SetType( Client, CLIENT_GOTUSER );
995 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
997 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
999 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1003 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1007 assert( Client != NULL );
1008 assert( Req != NULL );
1010 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1012 /* User / Service */
1014 /* Falsche Anzahl Parameter? */
1015 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1017 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1018 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1020 return DISCONNECTED;
1022 else if ( Client_Type( Client ) == CLIENT_SERVER )
1026 /* Falsche Anzahl Parameter? */
1027 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1029 target = Client_Search( Req->prefix );
1032 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1036 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1037 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1041 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1045 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1049 assert( Client != NULL );
1050 assert( Req != NULL );
1052 /* SQUIT ist nur fuer Server erlaubt */
1053 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1055 /* Falsche Anzahl Parameter? */
1056 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1058 target = Client_GetFromID( Req->argv[0] );
1061 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1065 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1066 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1068 /* SQUIT an alle Server weiterleiten */
1069 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1071 if( Client_Conn( target ) > NONE )
1073 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1074 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1075 return DISCONNECTED;
1079 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1085 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1087 CLIENT *target, *from;
1089 assert( Client != NULL );
1090 assert( Req != NULL );
1092 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1094 /* Falsche Anzahl Parameter? */
1095 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1096 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1098 if( Req->argc == 2 )
1100 /* es wurde ein Ziel-Client angegeben */
1101 target = Client_GetFromID( Req->argv[1] );
1102 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1103 if( target != Client_ThisServer( ))
1106 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1108 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1109 return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1113 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1114 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1118 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1120 CLIENT *target, *from;
1122 assert( Client != NULL );
1123 assert( Req != NULL );
1125 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1127 /* Falsche Anzahl Parameter? */
1128 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1129 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1132 if( Req->argc == 2 )
1134 target = Client_GetFromID( Req->argv[1] );
1135 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1136 if( target != Client_ThisServer( ))
1139 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1141 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1142 return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1146 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1147 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1149 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 )));
1150 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1156 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1158 assert( Client != NULL );
1159 assert( Req != NULL );
1161 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1163 /* Falsche Anzahl Parameter? */
1164 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1166 return Show_MOTD( Client );
1170 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1175 assert( Client != NULL );
1176 assert( Req != NULL );
1178 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1180 /* Falsche Anzahl Parameter? */
1181 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1182 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1183 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1185 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1187 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1189 to = Client_Search( Req->argv[0] );
1192 /* Okay, Ziel ist ein User */
1193 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1194 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1197 chan = Channel_Search( Req->argv[0] );
1200 /* Okay, Ziel ist ein Channel */
1201 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1202 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1205 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1209 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1213 assert( Client != NULL );
1214 assert( Req != NULL );
1216 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1218 /* Falsche Anzahl Parameter? */
1219 if( Req->argc != 2 ) return CONNECTED;
1221 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1223 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1225 to = Client_Search( Req->argv[0] );
1228 /* Okay, Ziel ist ein User */
1229 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1231 else return CONNECTED;
1235 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1237 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1238 CLIENT *cl, *chan_cl, *prefix;
1242 assert( Client != NULL );
1243 assert( Req != NULL );
1245 cl = chan_cl = prefix = NULL;
1248 /* Valider Client? */
1249 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1251 /* Keine Parameter? */
1252 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1254 /* Ziel suchen: Client bzw. Channel */
1255 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1256 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1258 /* Kein Ziel gefunden? */
1259 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1261 assert(( cl && chan ) != TRUE );
1263 /* Falsche Anzahl Parameter? */
1264 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1265 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1267 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1268 if(( chan ) && (Req->argc == 3 ))
1270 chan_cl = Client_Search( Req->argv[2] );
1271 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1274 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1275 if( Client_Type( Client ) == CLIENT_USER )
1279 /* MODE ist nur fuer sich selber zulaessig! */
1280 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1284 /* Darf der User die Channel-Modes ermitteln? */
1288 /* Werden die Modes "nur" erfragt? */
1289 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1290 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1292 mode_ptr = Req->argv[1];
1294 /* Sollen Modes gesetzt oder geloescht werden? */
1297 if( *mode_ptr == '+' ) set = TRUE;
1298 else if( *mode_ptr == '-' ) set = FALSE;
1299 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1304 if( *mode_ptr == '-' ) set = FALSE;
1306 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1309 /* Prefix fuer Antworten etc. ermitteln */
1310 if( Client_Type( Client ) == CLIENT_SERVER )
1312 prefix = Client_GetFromID( Req->prefix );
1313 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1315 else prefix = Client;
1317 /* Reply-String mit Aenderungen vorbereiten */
1318 if( set ) strcpy( the_modes, "+" );
1319 else strcpy( the_modes, "-" );
1326 if( Client_Type( Client ) == CLIENT_SERVER )
1328 /* Befehl kommt von einem Server, daher
1329 * trauen wir ihm "unbesehen" ... */
1334 /* Modes validieren */
1345 /* restricted (kann nur gesetzt werden) */
1346 if( set ) x[0] = 'r';
1347 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1350 /* operator (kann nur geloescht werden) */
1353 Client_SetOperByMe( Client, FALSE );
1356 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1359 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1360 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1366 /* Ist der User ein Channel Operator? */
1367 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1369 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1370 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1374 /* Channel-Modes oder Channel-User-Modes */
1377 /* Channel-User-Modes */
1381 /* Channel Operator */
1389 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 ));
1390 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1408 /* kein Schreiben in den Channel von aussen */
1428 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1429 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1438 if( ! x[0] ) continue;
1440 /* Okay, gueltigen Mode gefunden */
1443 /* Es geht um User-Modes */
1446 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1447 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1451 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1452 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1457 /* Es geht um Channel-Modes oder Channel-User-Modes */
1460 /* Channel-User-Modes */
1463 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1464 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1468 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1469 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1477 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1478 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1482 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1483 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1489 /* Wurden Modes geaendert? */
1495 if( Client_Type( Client ) == CLIENT_SERVER )
1497 /* Modes an andere Server forwarden */
1498 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1502 /* Bestaetigung an Client schicken & andere Server informieren */
1503 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1504 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1506 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1510 /* Channel-Modes oder Channel-User-Mode */
1513 /* Channel-User-Mode */
1514 if( Client_Type( Client ) == CLIENT_SERVER )
1516 /* Modes an andere Server und Channel-User forwarden */
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));
1522 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1523 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1524 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1525 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1527 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1532 if( Client_Type( Client ) == CLIENT_SERVER )
1534 /* Modes an andere Server und Channel-User forwarden */
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 );
1540 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1541 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1542 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1543 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1545 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1554 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1558 assert( Client != NULL );
1559 assert( Req != NULL );
1561 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1563 /* Falsche Anzahl Parameter? */
1564 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1566 /* Operator suchen */
1567 for( i = 0; i < Conf_Oper_Count; i++)
1569 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1571 if( i >= Conf_Oper_Count )
1573 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1574 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1577 /* Stimmt das Passwort? */
1578 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1580 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1581 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1584 if( ! Client_HasMode( Client, 'o' ))
1586 /* noch kein o-Mode gesetzt */
1587 Client_ModeAdd( Client, 'o' );
1588 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1589 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1592 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1594 Client_SetOperByMe( Client, TRUE );
1595 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1599 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1601 assert( Client != NULL );
1602 assert( Req != NULL );
1604 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1606 /* Falsche Anzahl Parameter? */
1607 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1609 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1611 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1617 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1619 assert( Client != NULL );
1620 assert( Req != NULL );
1622 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1624 /* Falsche Anzahl Parameter? */
1625 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1627 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1629 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1630 NGIRCd_Restart = TRUE;
1635 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1637 CHAR rpl[COMMAND_LEN], *ptr;
1638 CLIENT *target, *from, *c;
1641 assert( Client != NULL );
1642 assert( Req != NULL );
1644 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1646 /* Falsche Anzahl Parameter? */
1647 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1649 /* From aus Prefix ermitteln */
1650 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1652 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1654 if( Req->argc == 2 )
1656 /* an anderen Server forwarden */
1657 target = Client_GetFromID( Req->argv[1] );
1658 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1660 if( target != Client_ThisServer( ))
1662 /* Ok, anderer Server ist das Ziel: forwarden */
1663 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
1669 /* bestimmte Channels durchgehen */
1670 ptr = strtok( Req->argv[0], "," );
1673 chan = Channel_Search( ptr );
1676 /* Namen ausgeben */
1677 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1679 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
1681 /* naechsten Namen ermitteln */
1682 ptr = strtok( NULL, "," );
1687 /* alle Channels durchgehen */
1688 chan = Channel_First( );
1691 /* Namen ausgeben */
1692 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1694 /* naechster Channel */
1695 chan = Channel_Next( chan );
1698 c = Client_First( );
1699 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1702 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ))
1704 /* Okay, das ist ein User: anhaengen */
1705 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
1706 strcat( rpl, Client_ID( c ));
1708 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1710 /* Zeile wird zu lang: senden! */
1711 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1712 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1716 /* naechster Client */
1717 c = Client_Next( c );
1719 if( rpl[strlen( rpl ) - 1] != ':')
1721 /* es wurden User gefunden */
1722 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1725 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
1729 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1731 CHAR rpl[COMMAND_LEN];
1736 assert( Client != NULL );
1737 assert( Req != NULL );
1739 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1741 /* Falsche Anzahl Parameter? */
1742 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1744 strcpy( rpl, RPL_ISON_MSG );
1745 for( i = 0; i < Req->argc; i++ )
1747 ptr = strtok( Req->argv[i], " " );
1751 c = Client_GetFromID( ptr );
1752 if( c && ( Client_Type( c ) == CLIENT_USER ))
1754 /* Dieser Nick ist "online" */
1758 ptr = strtok( NULL, " " );
1761 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1763 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1767 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1769 CLIENT *from, *target, *c;
1770 CHAR str[LINE_LEN + 1], *ptr = NULL;
1774 assert( Client != NULL );
1775 assert( Req != NULL );
1777 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1779 /* Falsche Anzahl Parameter? */
1780 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1783 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1784 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1786 /* Empfaenger des WHOIS suchen */
1787 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1789 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1791 /* Forwarden an anderen Server? */
1794 /* angegebenen Ziel-Server suchen */
1795 target = Client_GetFromID( Req->argv[1] );
1796 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1799 else target = Client_ThisServer( );
1801 assert( target != NULL );
1803 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 );
1805 /* Nick, User und Name */
1806 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1809 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;
1812 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1813 cl2chan = Channel_FirstChannelOf( c );
1816 chan = Channel_GetChannel( cl2chan );
1817 assert( chan != NULL );
1819 /* Channel-Name anhaengen */
1820 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1821 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1822 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1823 strcat( str, Channel_Name( chan ));
1825 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1827 /* Zeile wird zu lang: senden! */
1828 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1829 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1832 /* naechstes Mitglied suchen */
1833 cl2chan = Channel_NextChannelOf( c, cl2chan );
1835 if( str[strlen( str ) - 1] != ':')
1837 /* Es sind noch Daten da, die gesendet werden muessen */
1838 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1842 if( Client_HasMode( c, 'o' ))
1844 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1847 /* Idle (nur lokale Clients) */
1848 if( Client_Conn( c ) > NONE )
1850 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1854 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1858 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1860 CHAR rpl[COMMAND_LEN];
1864 assert( Client != NULL );
1865 assert( Req != NULL );
1867 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1869 /* Falsche Anzahl Parameter? */
1870 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1872 if( Req->argc > 5 ) max = 5;
1873 else max = Req->argc;
1875 strcpy( rpl, RPL_USERHOST_MSG );
1876 for( i = 0; i < max; i++ )
1878 c = Client_GetFromID( Req->argv[i] );
1879 if( c && ( Client_Type( c ) == CLIENT_USER ))
1881 /* Dieser Nick ist "online" */
1882 strcat( rpl, Client_ID( c ));
1883 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1885 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1886 else strcat( rpl, "+" );
1887 strcat( rpl, Client_User( c ));
1889 strcat( rpl, Client_Hostname( c ));
1893 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1895 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1896 } /* IRC_USERHOST */
1899 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1901 assert( Client != NULL );
1902 assert( Req != NULL );
1904 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1905 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1911 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1913 CLIENT *target, *from;
1915 assert( Client != NULL );
1916 assert( Req != NULL );
1918 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1920 /* Falsche Anzahl Parameter? */
1921 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1923 /* Absender ermitteln */
1924 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1926 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1928 /* An anderen Server forwarden? */
1929 if( Req->argc == 2 )
1931 target = Client_GetFromID( Req->argv[1] );
1932 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1933 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1936 /* Wer ist der Absender? */
1937 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1938 else target = Client;
1939 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1941 Send_LUSERS( target );
1947 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1949 CLIENT *target, *from, *c;
1952 assert( Client != NULL );
1953 assert( Req != NULL );
1955 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1957 /* Falsche Anzahl Parameter? */
1958 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1960 /* Server-Mask ermitteln */
1961 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1964 /* Absender ermitteln */
1965 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1967 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1969 /* An anderen Server forwarden? */
1970 if( Req->argc == 2 )
1972 target = Client_GetFromID( Req->argv[0] );
1973 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1974 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1977 /* Wer ist der Absender? */
1978 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1979 else target = Client;
1980 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1982 c = Client_First( );
1985 if( Client_Type( c ) == CLIENT_SERVER )
1987 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;
1989 c = Client_Next( c );
1992 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1996 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1998 CHAR *channame, *flags, modes[8];
1999 BOOLEAN is_new_chan;
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 > 1 )) 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 channame = strtok( Req->argv[0], "," );
2020 /* wird der Channel neu angelegt? */
2023 if( Channel_Search( channame )) is_new_chan = FALSE;
2024 else is_new_chan = TRUE;
2026 /* Hat ein Server Channel-User-Modes uebergeben? */
2027 if( Client_Type( Client ) == CLIENT_SERVER )
2029 /* Channel-Flags extrahieren */
2030 flags = strchr( channame, 0x7 );
2031 if( flags ) *flags++ = '\0';
2034 /* neuer Channel udn lokaler Client? */
2035 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
2037 /* Dann soll der Client Channel-Operator werden! */
2041 /* Channel joinen (und ggf. anlegen) */
2042 if( ! Channel_Join( target, channame ))
2044 /* naechsten Namen ermitteln */
2045 channame = strtok( NULL, "," );
2048 chan = Channel_Search( channame );
2049 assert( chan != NULL );
2051 /* Modes setzen (wenn vorhanden) */
2052 while( flags && *flags )
2054 Channel_UserModeAdd( chan, target, *flags );
2058 /* Muessen Modes an andere Server gemeldet werden? */
2059 strcpy( &modes[1], Channel_UserModes( chan, target ));
2060 if( modes[1] ) modes[0] = 0x7;
2061 else modes[0] = '\0';
2063 /* An andere Server weiterleiten */
2064 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2066 /* im Channel bekannt machen */
2067 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2070 /* Modes im Channel bekannt machen */
2071 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2074 if( Client_Type( Client ) == CLIENT_USER )
2076 /* an Client bestaetigen */
2077 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2079 /* Topic an Client schicken */
2080 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2082 /* Mitglieder an Client Melden */
2083 Send_NAMES( Client, chan );
2084 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
2087 /* naechsten Namen ermitteln */
2088 channame = strtok( NULL, "," );
2094 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2099 assert( Client != NULL );
2100 assert( Req != NULL );
2102 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2104 /* Falsche Anzahl Parameter? */
2105 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2107 /* Wer ist der Absender? */
2108 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2109 else target = Client;
2110 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2112 /* Channel-Namen durchgehen */
2113 chan = strtok( Req->argv[0], "," );
2116 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2118 /* naechsten Namen ermitteln */
2119 chan = strtok( NULL, "," );
2123 /* naechsten Namen ermitteln */
2124 chan = strtok( NULL, "," );
2130 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2132 CLIENT *target, *prefix;
2134 assert( Client != NULL );
2135 assert( Req != NULL );
2137 /* Falsche Anzahl Parameter? */
2138 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2141 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2142 else target = Client_ThisServer( );
2144 /* Prefix ermitteln */
2145 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2146 else prefix = Client;
2147 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2149 /* An anderen Server weiterleiten? */
2150 if( target != Client_ThisServer( ))
2152 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2155 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
2159 /* mit Versionsinfo antworten */
2160 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2164 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2168 assert( Client != NULL );
2169 assert( Req != NULL );
2171 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2173 /* Falsche Anzahl Parameter? */
2174 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2176 prefix = Client_GetFromID( Req->prefix );
2179 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2180 prefix = Client_ThisServer( );
2183 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2185 /* andere Server benachrichtigen */
2186 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2188 /* haben wir selber einen solchen Client? */
2189 c = Client_GetFromID( Req->argv[0] );
2190 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2196 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2198 assert( Client != NULL );
2200 /* Passwort ueberpruefen */
2201 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2203 /* Falsches Passwort */
2204 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2205 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2206 return DISCONNECTED;
2209 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2211 /* Andere Server informieren */
2212 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 ));
2214 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2215 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2216 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2217 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2219 Client_SetType( Client, CLIENT_USER );
2221 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2222 if( ! Show_MOTD( Client )) return DISCONNECTED;
2228 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2234 assert( Client != NULL );
2236 fd = fopen( Conf_MotdFile, "r" );
2239 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2240 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2243 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2246 if( ! fgets( line, 126, fd )) break;
2247 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2248 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2254 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2262 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2266 assert( Nick != NULL );
2267 assert( Reason != NULL );
2269 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2271 /* andere Server benachrichtigen */
2272 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2274 /* Ggf. einen eigenen Client toeten */
2275 c = Client_GetFromID( Nick );
2276 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2280 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2282 CHAR str[LINE_LEN + 1];
2286 assert( Client != NULL );
2287 assert( Chan != NULL );
2289 /* Alle Mitglieder suchen */
2290 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2291 cl2chan = Channel_FirstMember( Chan );
2294 cl = Channel_GetClient( cl2chan );
2296 /* Nick anhaengen */
2297 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2298 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2299 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2300 strcat( str, Client_ID( cl ));
2302 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2304 /* Zeile wird zu lang: senden! */
2305 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2306 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2309 /* naechstes Mitglied suchen */
2310 cl2chan = Channel_NextMember( Chan, cl2chan );
2312 if( str[strlen( str ) - 1] != ':')
2314 /* Es sind noch Daten da, die gesendet werden muessen */
2315 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2322 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2326 assert( Client != NULL );
2328 /* Users, Services und Serevr im Netz */
2329 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2331 /* IRC-Operatoren im Netz */
2332 cnt = Client_OperCount( );
2335 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2338 /* Unbekannt Verbindungen */
2339 cnt = Client_UnknownCount( );
2342 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2345 /* Channels im Netz */
2346 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2348 /* Channels im Netz */
2349 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2355 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2357 assert( Target != NULL );
2358 assert( Client != NULL );
2360 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2361 else return Client_Mask( Client );