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 1.70 2002/02/26 22:06:40 alex Exp $
17 * Revision 1.70 2002/02/26 22:06:40 alex
18 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
20 * Revision 1.69 2002/02/26 20:52:40 alex
21 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
23 * Revision 1.68 2002/02/25 17:46:27 alex
24 * - an User wird nun immer ein "komplettes" Prefix verschickt.
26 * Revision 1.67 2002/02/25 13:21:25 alex
27 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
28 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
30 * Revision 1.66 2002/02/23 21:39:48 alex
31 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
33 * Revision 1.65 2002/02/23 00:03:54 alex
34 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
36 * Revision 1.64 2002/02/19 20:06:45 alex
37 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
38 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
40 * Revision 1.63 2002/02/19 02:21:17 alex
41 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
42 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
44 * Revision 1.62 2002/02/17 23:38:58 alex
45 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
47 * Revision 1.61 2002/02/17 19:03:12 alex
48 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
50 * Revision 1.60 2002/02/17 17:43:14 alex
51 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
53 * Revision 1.59 2002/02/17 17:30:21 alex
54 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
55 * - Neue Funktion IRC_WriteStrRelatedPrefix().
57 * Revision 1.58 2002/02/17 17:18:59 alex
60 * Revision 1.57 2002/02/13 23:05:29 alex
61 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
63 * Revision 1.56 2002/02/13 17:52:27 alex
64 * - es werden nun Channel- und User-Modes von Usern angenommen.
66 * Revision 1.55 2002/02/12 14:40:37 alex
67 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
69 * Revision 1.54 2002/02/11 23:33:35 alex
70 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
72 * Revision 1.53 2002/02/11 16:06:21 alex
73 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
75 * Revision 1.52 2002/02/11 15:52:21 alex
76 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
77 * - Channel-Modes wurden falsch geliefert (als User-Modes).
79 * Revision 1.51 2002/02/11 15:15:53 alex
80 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
81 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
83 * Revision 1.50 2002/02/11 01:03:20 alex
84 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
85 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
86 * angelegt wird, werden Channel-Operator, etc. pp. ...
87 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
89 * Revision 1.49 2002/02/06 16:51:22 alex
90 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
92 * Revision 1.48 2002/01/29 00:13:45 alex
93 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
94 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
95 * LINKS wieder korrekt.
97 * Revision 1.47 2002/01/28 13:05:48 alex
98 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
99 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
101 * Revision 1.46 2002/01/28 01:45:43 alex
102 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
104 * Revision 1.45 2002/01/28 01:18:14 alex
105 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
107 * Revision 1.44 2002/01/28 00:55:08 alex
108 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
110 * Revision 1.43 2002/01/27 21:56:39 alex
111 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
112 * - einige kleinere Fixes bezueglich Channels ...
114 * Revision 1.42 2002/01/27 18:28:01 alex
115 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
117 * Revision 1.41 2002/01/27 17:15:49 alex
118 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
119 * IRC_WriteStrChannelPrefix(),
120 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
122 * Revision 1.40 2002/01/26 18:43:11 alex
123 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
124 * die IRC_Write_xxx_Related() sind dafuer entfallen.
125 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
127 * Revision 1.39 2002/01/21 00:05:11 alex
128 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
129 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
130 * - diverse Aenderungen im Zusammenhang mit Channels.
132 * Revision 1.38 2002/01/18 15:31:32 alex
133 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
135 * Revision 1.37 2002/01/16 22:10:18 alex
136 * - IRC_LUSERS() implementiert.
138 * Revision 1.36 2002/01/11 23:50:55 alex
139 * - LINKS implementiert, LUSERS begonnen.
141 * Revision 1.35 2002/01/09 21:30:45 alex
142 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
144 * Revision 1.34 2002/01/09 01:09:58 alex
145 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
146 * - andere Server werden nun ueber bisherige Server und User informiert.
148 * Revision 1.33 2002/01/07 23:42:12 alex
149 * - Es werden fuer alle Server eigene Token generiert,
150 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
151 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
153 * Revision 1.32 2002/01/07 16:02:36 alex
154 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
155 * - Im Debug-Mode werden nun auch PING's protokolliert.
157 * Revision 1.31 2002/01/07 15:39:46 alex
158 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
159 * - MODE und NICK melden nun die Aenderungen an andere Server.
161 * Revision 1.30 2002/01/06 15:21:29 alex
162 * - Loglevel und Meldungen nochmals ueberarbeitet.
163 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
164 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
166 * Revision 1.29 2002/01/05 23:24:54 alex
167 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
168 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
170 * Revision 1.28 2002/01/05 20:08:02 alex
171 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
172 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
174 * Revision 1.27 2002/01/05 19:15:03 alex
175 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
177 * Revision 1.26 2002/01/05 16:51:18 alex
178 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
180 * Revision 1.25 2002/01/05 00:48:33 alex
181 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
183 * Revision 1.24 2002/01/04 17:58:44 alex
184 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
185 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
187 * Revision 1.23 2002/01/04 01:36:40 alex
188 * - Loglevel ein wenig angepasst.
190 * Revision 1.22 2002/01/04 01:21:47 alex
191 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
192 * - Weitere Anpassungen und Erweiterungen der Server-Links.
194 * Revision 1.21 2002/01/03 02:26:51 alex
195 * - neue Befehle SERVER und NJOIN begonnen,
196 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
198 * Revision 1.20 2002/01/02 12:46:41 alex
199 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
201 * Revision 1.19 2002/01/02 02:51:39 alex
202 * - Copyright-Texte angepasst.
203 * - neuer Befehl "ERROR".
205 * Revision 1.17 2001/12/31 15:33:13 alex
206 * - neuer Befehl NAMES, kleinere Bugfixes.
207 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
209 * Revision 1.16 2001/12/31 02:18:51 alex
210 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
211 * - neuen Header "defines.h" mit (fast) allen Konstanten.
212 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
214 * Revision 1.15 2001/12/30 19:26:11 alex
215 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
217 * Revision 1.14 2001/12/30 11:42:00 alex
218 * - der Server meldet nun eine ordentliche "Start-Zeit".
220 * Revision 1.13 2001/12/29 03:10:06 alex
221 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
222 * - neue configure-Optione "--enable-strict-rfc".
224 * Revision 1.12 2001/12/27 19:17:26 alex
225 * - neue Befehle PRIVMSG, NOTICE, PING.
227 * Revision 1.11 2001/12/27 16:55:41 alex
228 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
230 * Revision 1.10 2001/12/26 22:48:53 alex
231 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
233 * Revision 1.9 2001/12/26 14:45:37 alex
236 * Revision 1.8 2001/12/26 03:21:46 alex
237 * - PING/PONG-Befehle implementiert,
238 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
240 * Revision 1.7 2001/12/25 23:25:18 alex
241 * - und nochmal Aenderungen am Logging ;-)
243 * Revision 1.6 2001/12/25 23:13:33 alex
244 * - Debug-Meldungen angepasst.
246 * Revision 1.5 2001/12/25 22:02:42 alex
247 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
249 * Revision 1.4 2001/12/25 19:19:30 alex
250 * - bessere Fehler-Abfragen, diverse Bugfixes.
251 * - Nicks werden nur einmal vergeben :-)
252 * - /MOTD wird unterstuetzt.
254 * Revision 1.3 2001/12/24 01:34:06 alex
255 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
256 * - MOTD-Ausgabe begonnen zu implementieren.
258 * Revision 1.2 2001/12/23 21:57:16 alex
259 * - erste IRC-Befehle zu implementieren begonnen.
261 * Revision 1.1 2001/12/14 08:13:43 alex
262 * - neues Modul begonnen :-)
283 #include "messages.h"
291 #define CONNECTED TRUE
292 #define DISCONNECTED FALSE
295 LOCAL BOOLEAN Hello_User( CLIENT *Client );
296 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
298 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
300 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
301 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
303 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
306 GLOBAL VOID IRC_Init( VOID )
311 GLOBAL VOID IRC_Exit( VOID )
316 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
319 BOOLEAN ok = CONNECTED;
322 assert( Client != NULL );
323 assert( Format != NULL );
325 va_start( ap, Format );
326 vsnprintf( buffer, 1000, Format, ap );
329 /* an den Client selber */
330 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
333 } /* IRC_WriteStrClient */
336 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
338 /* Text an Clients, lokal bzw. remote, senden. */
343 assert( Client != NULL );
344 assert( Format != NULL );
345 assert( Prefix != NULL );
347 va_start( ap, Format );
348 vsnprintf( buffer, 1000, Format, ap );
351 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
352 } /* IRC_WriteStrClientPrefix */
355 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
360 assert( Client != NULL );
361 assert( Format != NULL );
363 va_start( ap, Format );
364 vsnprintf( buffer, 1000, Format, ap );
367 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
368 } /* IRC_WriteStrChannel */
371 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
373 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
380 assert( Client != NULL );
381 assert( Chan != NULL );
382 assert( Prefix != NULL );
383 assert( Format != NULL );
385 va_start( ap, Format );
386 vsnprintf( buffer, 1000, Format, ap );
389 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
391 /* An alle Clients, die in den selben Channels sind.
392 * Dabei aber nur einmal je Remote-Server */
393 cl2chan = Channel_FirstMember( Chan );
396 c = Channel_GetClient( cl2chan );
399 if( Client_Conn( c ) <= NONE ) c = NULL;
400 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
402 if( c ) c = Client_NextHop( c );
404 if( c && ( c != Client ))
406 /* Ok, anderer Client */
407 s = Client_Conn( c );
409 assert( s < MAX_CONNECTIONS );
411 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
412 else is_server[s] = FALSE;
414 cl2chan = Channel_NextMember( Chan, cl2chan );
418 for( i = 0; i < MAX_CONNECTIONS; i++ )
422 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
423 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
428 } /* IRC_WriteStrChannelPrefix */
431 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
436 assert( Format != NULL );
438 va_start( ap, Format );
439 vsnprintf( buffer, 1000, Format, ap );
442 /* an den Client selber */
443 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
444 } /* IRC_WriteStrServers */
447 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
453 assert( Format != NULL );
454 assert( Prefix != NULL );
456 va_start( ap, Format );
457 vsnprintf( buffer, 1000, Format, ap );
463 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
465 /* Ziel-Server gefunden */
466 IRC_WriteStrClientPrefix( c, Prefix, buffer );
468 c = Client_Next( c );
470 } /* IRC_WriteStrServersPrefix */
473 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
475 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
476 CL2CHAN *chan_cl2chan, *cl2chan;
483 assert( Client != NULL );
484 assert( Prefix != NULL );
485 assert( Format != NULL );
487 va_start( ap, Format );
488 vsnprintf( buffer, 1000, Format, ap );
492 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
494 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
495 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
496 chan_cl2chan = Channel_FirstChannelOf( Client );
497 while( chan_cl2chan )
499 /* Channel des Users durchsuchen */
500 chan = Channel_GetChannel( chan_cl2chan );
501 cl2chan = Channel_FirstMember( chan );
504 c = Channel_GetClient( cl2chan );
507 if( Client_Conn( c ) <= NONE ) c = NULL;
508 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
510 if( c ) c = Client_NextHop( c );
512 if( c && ( c != Client ))
514 /* Ok, anderer Client */
515 s = Client_Conn( c );
517 assert( s < MAX_CONNECTIONS );
519 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
520 else is_server[s] = FALSE;
522 cl2chan = Channel_NextMember( chan, cl2chan );
525 /* naechsten Channel */
526 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
530 for( i = 0; i < MAX_CONNECTIONS; i++ )
534 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
535 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
540 } /* IRC_WriteStrRelatedPrefix */
544 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
546 assert( Client != NULL );
547 assert( Req != NULL );
549 /* Fehler liefern, wenn kein lokaler Client */
550 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
552 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
554 /* noch nicht registrierte unbekannte Verbindung */
555 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
557 /* Passwort speichern */
558 Client_SetPassword( Client, Req->argv[0] );
560 Client_SetType( Client, CLIENT_GOTPASS );
563 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
565 /* noch nicht registrierte Server-Verbindung */
566 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
568 /* Passwort speichern */
569 Client_SetPassword( Client, Req->argv[0] );
571 Client_SetType( Client, CLIENT_GOTPASSSERVER );
574 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
576 /* Falsche Anzahl Parameter? */
577 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
579 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
583 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
585 CHAR str[LINE_LEN], *ptr;
586 CLIENT *from, *c, *cl;
592 assert( Client != NULL );
593 assert( Req != NULL );
595 /* Fehler liefern, wenn kein lokaler Client */
596 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
598 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
600 /* Verbindung soll als Server-Server-Verbindung registriert werden */
601 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
603 /* Falsche Anzahl Parameter? */
604 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
606 /* Ist dieser Server bei uns konfiguriert? */
607 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
608 if( i >= Conf_Server_Count )
610 /* Server ist nicht konfiguriert! */
611 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
612 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
615 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
617 /* Falsches Passwort */
618 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
619 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
623 /* Ist ein Server mit dieser ID bereits registriert? */
624 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
626 /* Server-Strukturen fuellen ;-) */
627 Client_SetID( Client, Req->argv[0] );
628 Client_SetHops( Client, 1 );
629 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
631 /* Meldet sich der Server bei uns an? */
634 /* Unseren SERVER- und PASS-Befehl senden */
636 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
637 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
640 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
643 Client_SetIntroducer( Client, Client );
644 Client_SetToken( Client, 1 );
646 else Client_SetToken( Client, atoi( Req->argv[1] ));
648 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
650 Client_SetType( Client, CLIENT_SERVER );
652 /* maximalen Hop Count ermitteln */
657 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
658 c = Client_Next( c );
661 /* Alle bisherigen Server dem neuen Server bekannt machen,
662 * die bisherigen Server ueber den neuen informierenn */
663 for( i = 0; i < ( max_hops + 1 ); i++ )
668 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
670 if( Client_Conn( c ) > NONE )
672 /* Dem gefundenen Server gleich den neuen
673 * Server bekannt machen */
674 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
677 /* Den neuen Server ueber den alten informieren */
678 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;
680 c = Client_Next( c );
684 /* alle User dem neuen Server bekannt machen */
688 if( Client_Type( c ) == CLIENT_USER )
690 /* User an neuen Server melden */
691 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;
693 c = Client_Next( c );
696 /* Channels dem neuen Server bekannt machen */
697 chan = Channel_First( );
700 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
702 /* alle Member suchen */
703 cl2chan = Channel_FirstMember( chan );
706 cl = Channel_GetClient( cl2chan );
707 assert( cl != NULL );
709 /* Nick, ggf. mit Modes, anhaengen */
710 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
711 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
712 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
713 strcat( str, Client_ID( cl ));
715 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
718 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
719 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
722 cl2chan = Channel_NextMember( chan, cl2chan );
726 if( str[strlen( str ) - 1] != ':')
728 /* Ja; Also senden ... */
729 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
732 /* naechsten Channel suchen */
733 chan = Channel_Next( chan );
738 else if( Client_Type( Client ) == CLIENT_SERVER )
740 /* Neuer Server wird im Netz angekuendigt */
742 /* Falsche Anzahl Parameter? */
743 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
745 /* Ist ein Server mit dieser ID bereits registriert? */
746 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
748 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
749 ptr = strchr( Req->argv[3] + 2, '[' );
750 if( ! ptr ) ptr = Req->argv[3];
752 from = Client_GetFromID( Req->prefix );
755 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
756 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
757 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
761 /* Neue Client-Struktur anlegen */
762 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
765 /* Neue Client-Struktur konnte nicht angelegt werden */
766 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
767 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
771 /* Log-Meldung zusammenbauen und ausgeben */
772 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
773 else strcpy( str, "" );
774 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": "" );
776 /* Andere Server informieren */
777 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
781 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
785 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
787 CHAR *channame, *ptr, modes[8];
788 BOOLEAN is_op, is_voiced;
792 assert( Client != NULL );
793 assert( Req != NULL );
795 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
797 /* Falsche Anzahl Parameter? */
798 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
800 channame = Req->argv[0];
801 ptr = strtok( Req->argv[1], "," );
804 is_op = is_voiced = FALSE;
806 /* Prefixe abschneiden */
807 while(( *ptr == '@' ) || ( *ptr == '+' ))
809 if( *ptr == '@' ) is_op = TRUE;
810 if( *ptr == '+' ) is_voiced = TRUE;
814 c = Client_GetFromID( ptr );
817 Channel_Join( c, channame );
818 chan = Channel_Search( channame );
819 assert( chan != NULL );
821 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
822 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
824 /* im Channel bekannt machen */
825 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
827 /* Channel-User-Modes setzen */
828 strcpy( modes, Channel_UserModes( chan, c ));
831 /* Modes im Channel bekannt machen */
832 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
835 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
837 /* naechsten Nick suchen */
838 ptr = strtok( NULL, "," );
841 /* an andere Server weiterleiten */
842 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
848 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
850 CLIENT *intr_c, *target, *c;
853 assert( Client != NULL );
854 assert( Req != NULL );
856 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
858 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 ))
860 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 ))
863 /* User-Registrierung bzw. Nick-Aenderung */
865 /* Falsche Anzahl Parameter? */
866 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
868 /* "Ziel-Client" ermitteln */
869 if( Client_Type( Client ) == CLIENT_SERVER )
871 target = Client_GetFromID( Req->prefix );
872 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
876 /* Ist der Client "restricted"? */
877 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
882 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
883 * wir nichts. So macht es das Original und mind. Snak hat probleme,
884 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
885 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
888 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
889 * will nur die Gross- und Kleinschreibung aendern. Das darf
890 * er natuerlich machen :-) */
891 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
893 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
896 /* Nick-Aenderung: allen mitteilen! */
898 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
899 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
900 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", 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] );
911 /* Client-Nick registrieren */
912 Client_SetID( target, Req->argv[0] );
916 else if( Client_Type( Client ) == CLIENT_SERVER )
918 /* Server fuehrt neuen Client ein */
920 /* Falsche Anzahl Parameter? */
921 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
923 /* Nick ueberpruefen */
924 c = Client_GetFromID( Req->argv[0] );
927 /* Der neue Nick ist auf diesem Server bereits registriert:
928 * sowohl der neue, als auch der alte Client muessen nun
929 * disconnectiert werden. */
930 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
931 Kill_Nick( Req->argv[0], "Nick collision" );
935 /* Server, zu dem der Client connectiert ist, suchen */
936 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
939 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
940 Kill_Nick( Req->argv[0], "Unknown server" );
944 /* Neue Client-Struktur anlegen */
945 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 );
948 /* Eine neue Client-Struktur konnte nicht angelegt werden.
949 * Der Client muss disconnectiert werden, damit der Netz-
950 * status konsistent bleibt. */
951 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
952 Kill_Nick( Req->argv[0], "Server error" );
956 modes = Client_Modes( c );
957 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": "" );
958 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": "" );
960 /* Andere Server, ausser dem Introducer, informieren */
961 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] );
965 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
969 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
971 assert( Client != NULL );
972 assert( Req != NULL );
975 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
977 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
980 /* Falsche Anzahl Parameter? */
981 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
983 Client_SetUser( Client, Req->argv[0], FALSE );
984 Client_SetInfo( Client, Req->argv[3] );
986 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
987 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
988 else Client_SetType( Client, CLIENT_GOTUSER );
991 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
993 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
995 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
999 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1003 assert( Client != NULL );
1004 assert( Req != NULL );
1006 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1008 /* User / Service */
1010 /* Falsche Anzahl Parameter? */
1011 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1013 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1014 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1016 return DISCONNECTED;
1018 else if ( Client_Type( Client ) == CLIENT_SERVER )
1022 /* Falsche Anzahl Parameter? */
1023 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1025 target = Client_Search( Req->prefix );
1028 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1032 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1033 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1037 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1041 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1045 assert( Client != NULL );
1046 assert( Req != NULL );
1048 /* SQUIT ist nur fuer Server erlaubt */
1049 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1051 /* Falsche Anzahl Parameter? */
1052 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1054 target = Client_GetFromID( Req->argv[0] );
1057 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1061 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1062 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1064 /* SQUIT an alle Server weiterleiten */
1065 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1067 if( Client_Conn( target ) > NONE )
1069 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1070 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1071 return DISCONNECTED;
1075 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1081 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1083 CLIENT *target, *from;
1085 assert( Client != NULL );
1086 assert( Req != NULL );
1088 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1090 /* Falsche Anzahl Parameter? */
1091 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1092 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1094 if( Req->argc == 2 )
1096 /* es wurde ein Ziel-Client angegeben */
1097 target = Client_GetFromID( Req->argv[1] );
1098 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1099 if( target != Client_ThisServer( ))
1102 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1104 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1105 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1109 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1110 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1114 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1116 CLIENT *target, *from;
1118 assert( Client != NULL );
1119 assert( Req != NULL );
1121 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1123 /* Falsche Anzahl Parameter? */
1124 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1125 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1128 if( Req->argc == 2 )
1130 target = Client_GetFromID( Req->argv[1] );
1131 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1132 if( target != Client_ThisServer( ))
1135 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1137 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1138 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1142 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1143 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1145 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 )));
1146 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1152 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1154 assert( Client != NULL );
1155 assert( Req != NULL );
1157 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1159 /* Falsche Anzahl Parameter? */
1160 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1162 return Show_MOTD( Client );
1166 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1171 assert( Client != NULL );
1172 assert( Req != NULL );
1174 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1176 /* Falsche Anzahl Parameter? */
1177 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1178 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1179 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1181 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1183 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1185 to = Client_Search( Req->argv[0] );
1188 /* Okay, Ziel ist ein User */
1189 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1190 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1193 chan = Channel_Search( Req->argv[0] );
1196 /* Okay, Ziel ist ein Channel */
1197 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1198 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1201 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1205 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1209 assert( Client != NULL );
1210 assert( Req != NULL );
1212 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1214 /* Falsche Anzahl Parameter? */
1215 if( Req->argc != 2 ) return CONNECTED;
1217 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1219 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1221 to = Client_Search( Req->argv[0] );
1224 /* Okay, Ziel ist ein User */
1225 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1227 else return CONNECTED;
1231 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1233 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1234 CLIENT *cl, *chan_cl, *prefix;
1238 assert( Client != NULL );
1239 assert( Req != NULL );
1241 cl = chan_cl = prefix = NULL;
1244 /* Valider Client? */
1245 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1247 /* Keine Parameter? */
1248 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1250 /* Ziel suchen: Client bzw. Channel */
1251 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1252 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1254 /* Kein Ziel gefunden? */
1255 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1257 assert(( cl && chan ) != TRUE );
1259 /* Falsche Anzahl Parameter? */
1260 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1261 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1263 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1264 if(( chan ) && (Req->argc == 3 ))
1266 chan_cl = Client_Search( Req->argv[2] );
1267 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1270 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1271 if( Client_Type( Client ) == CLIENT_USER )
1275 /* MODE ist nur fuer sich selber zulaessig! */
1276 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1280 /* Darf der User die Channel-Modes ermitteln? */
1284 /* Werden die Modes "nur" erfragt? */
1285 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1286 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1288 mode_ptr = Req->argv[1];
1290 /* Sollen Modes gesetzt oder geloescht werden? */
1293 if( *mode_ptr == '+' ) set = TRUE;
1294 else if( *mode_ptr == '-' ) set = FALSE;
1295 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1300 if( *mode_ptr == '-' ) set = FALSE;
1302 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1305 /* Prefix fuer Antworten etc. ermitteln */
1306 if( Client_Type( Client ) == CLIENT_SERVER )
1308 prefix = Client_GetFromID( Req->prefix );
1309 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1311 else prefix = Client;
1313 /* Reply-String mit Aenderungen vorbereiten */
1314 if( set ) strcpy( the_modes, "+" );
1315 else strcpy( the_modes, "-" );
1322 if( Client_Type( Client ) == CLIENT_SERVER )
1324 /* Befehl kommt von einem Server, daher
1325 * trauen wir ihm "unbesehen" ... */
1330 /* Modes validieren */
1341 /* restricted (kann nur gesetzt werden) */
1342 if( set ) x[0] = 'r';
1343 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1346 /* operator (kann nur geloescht werden) */
1349 Client_SetOperByMe( Client, FALSE );
1352 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1355 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1356 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1362 /* Ist der User ein Channel Operator? */
1363 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1365 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1366 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1370 /* Channel-Modes oder Channel-User-Modes */
1373 /* Channel-User-Modes */
1377 /* Channel Operator */
1385 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 ));
1386 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1404 /* kein Schreiben in den Channel von aussen */
1424 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1425 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1434 if( ! x[0] ) continue;
1436 /* Okay, gueltigen Mode gefunden */
1439 /* Es geht um User-Modes */
1442 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1443 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1447 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1448 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1453 /* Es geht um Channel-Modes oder Channel-User-Modes */
1456 /* Channel-User-Modes */
1459 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1460 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1464 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1465 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1473 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1474 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1478 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1479 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1485 /* Wurden Modes geaendert? */
1491 if( Client_Type( Client ) == CLIENT_SERVER )
1493 /* Modes an andere Server forwarden */
1494 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1498 /* Bestaetigung an Client schicken & andere Server informieren */
1499 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1500 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1502 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1506 /* Channel-Modes oder Channel-User-Mode */
1509 /* Channel-User-Mode */
1510 if( Client_Type( Client ) == CLIENT_SERVER )
1512 /* Modes an andere Server und Channel-User forwarden */
1513 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1514 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1518 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1519 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1520 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1521 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1523 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1528 if( Client_Type( Client ) == CLIENT_SERVER )
1530 /* Modes an andere Server und Channel-User forwarden */
1531 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1532 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1536 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1537 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1538 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1539 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1541 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1550 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1554 assert( Client != NULL );
1555 assert( Req != NULL );
1557 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1559 /* Falsche Anzahl Parameter? */
1560 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1562 /* Operator suchen */
1563 for( i = 0; i < Conf_Oper_Count; i++)
1565 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1567 if( i >= Conf_Oper_Count )
1569 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1570 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1573 /* Stimmt das Passwort? */
1574 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1576 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1577 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1580 if( ! Client_HasMode( Client, 'o' ))
1582 /* noch kein o-Mode gesetzt */
1583 Client_ModeAdd( Client, 'o' );
1584 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1585 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1588 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1590 Client_SetOperByMe( Client, TRUE );
1591 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1595 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1597 assert( Client != NULL );
1598 assert( Req != NULL );
1600 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1602 /* Falsche Anzahl Parameter? */
1603 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1605 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1607 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1613 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1615 assert( Client != NULL );
1616 assert( Req != NULL );
1618 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1620 /* Falsche Anzahl Parameter? */
1621 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1623 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1625 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1626 NGIRCd_Restart = TRUE;
1631 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1633 CHAR rpl[COMMAND_LEN];
1636 assert( Client != NULL );
1637 assert( Req != NULL );
1639 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1641 /* Falsche Anzahl Parameter? */
1642 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1644 /* Noch alle User ausgeben, die in keinem Channel sind */
1646 c = Client_First( );
1649 if( Client_Type( c ) == CLIENT_USER )
1651 /* Okay, das ist ein User */
1652 strcat( rpl, Client_ID( c ));
1656 /* Antwort zu lang? Splitten. */
1657 if( strlen( rpl ) > 480 )
1659 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1660 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1664 c = Client_Next( c );
1668 /* es wurden User gefunden */
1669 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1670 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1672 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1676 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1678 CHAR rpl[COMMAND_LEN];
1683 assert( Client != NULL );
1684 assert( Req != NULL );
1686 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1688 /* Falsche Anzahl Parameter? */
1689 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1691 strcpy( rpl, RPL_ISON_MSG );
1692 for( i = 0; i < Req->argc; i++ )
1694 ptr = strtok( Req->argv[i], " " );
1698 c = Client_GetFromID( ptr );
1699 if( c && ( Client_Type( c ) == CLIENT_USER ))
1701 /* Dieser Nick ist "online" */
1705 ptr = strtok( NULL, " " );
1708 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1710 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1714 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1716 CLIENT *from, *target, *c;
1717 CHAR str[LINE_LEN + 1], *ptr = NULL;
1721 assert( Client != NULL );
1722 assert( Req != NULL );
1724 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1726 /* Falsche Anzahl Parameter? */
1727 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1730 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1731 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1733 /* Empfaenger des WHOIS suchen */
1734 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1736 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1738 /* Forwarden an anderen Server? */
1741 /* angegebenen Ziel-Server suchen */
1742 target = Client_GetFromID( Req->argv[1] );
1743 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1746 else target = Client_ThisServer( );
1748 assert( target != NULL );
1750 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 );
1752 /* Nick, User und Name */
1753 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1756 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;
1759 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1760 cl2chan = Channel_FirstChannelOf( c );
1763 chan = Channel_GetChannel( cl2chan );
1764 assert( chan != NULL );
1766 /* Channel-Name anhaengen */
1767 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1768 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1769 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1770 strcat( str, Channel_Name( chan ));
1772 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1774 /* Zeile wird zu lang: senden! */
1775 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1776 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1779 /* naechstes Mitglied suchen */
1780 cl2chan = Channel_NextChannelOf( c, cl2chan );
1782 if( str[strlen( str ) - 1] != ':')
1784 /* Es sind noch Daten da, die gesendet werden muessen */
1785 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1789 if( Client_HasMode( c, 'o' ))
1791 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1794 /* Idle (nur lokale Clients) */
1795 if( Client_Conn( c ) > NONE )
1797 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1801 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1805 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1807 CHAR rpl[COMMAND_LEN];
1811 assert( Client != NULL );
1812 assert( Req != NULL );
1814 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1816 /* Falsche Anzahl Parameter? */
1817 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1819 if( Req->argc > 5 ) max = 5;
1820 else max = Req->argc;
1822 strcpy( rpl, RPL_USERHOST_MSG );
1823 for( i = 0; i < max; i++ )
1825 c = Client_GetFromID( Req->argv[i] );
1826 if( c && ( Client_Type( c ) == CLIENT_USER ))
1828 /* Dieser Nick ist "online" */
1829 strcat( rpl, Client_ID( c ));
1830 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1832 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1833 else strcat( rpl, "+" );
1834 strcat( rpl, Client_User( c ));
1836 strcat( rpl, Client_Hostname( c ));
1840 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1842 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1843 } /* IRC_USERHOST */
1846 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1848 assert( Client != NULL );
1849 assert( Req != NULL );
1851 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1852 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1858 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1860 CLIENT *target, *from;
1862 assert( Client != NULL );
1863 assert( Req != NULL );
1865 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1867 /* Falsche Anzahl Parameter? */
1868 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1870 /* Absender ermitteln */
1871 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1873 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1875 /* An anderen Server forwarden? */
1876 if( Req->argc == 2 )
1878 target = Client_GetFromID( Req->argv[1] );
1879 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1880 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1883 /* Wer ist der Absender? */
1884 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1885 else target = Client;
1886 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1888 Send_LUSERS( target );
1894 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1896 CLIENT *target, *from, *c;
1899 assert( Client != NULL );
1900 assert( Req != NULL );
1902 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1904 /* Falsche Anzahl Parameter? */
1905 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1907 /* Server-Mask ermitteln */
1908 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1911 /* Absender ermitteln */
1912 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1914 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1916 /* An anderen Server forwarden? */
1917 if( Req->argc == 2 )
1919 target = Client_GetFromID( Req->argv[0] );
1920 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1921 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1924 /* Wer ist der Absender? */
1925 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1926 else target = Client;
1927 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1929 c = Client_First( );
1932 if( Client_Type( c ) == CLIENT_SERVER )
1934 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;
1936 c = Client_Next( c );
1939 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1943 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1945 CHAR *channame, *flags, modes[8];
1946 BOOLEAN is_new_chan;
1950 assert( Client != NULL );
1951 assert( Req != NULL );
1953 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1955 /* Falsche Anzahl Parameter? */
1956 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1958 /* Wer ist der Absender? */
1959 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1960 else target = Client;
1961 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1963 /* Channel-Namen durchgehen */
1964 channame = strtok( Req->argv[0], "," );
1967 /* wird der Channel neu angelegt? */
1970 if( Channel_Search( channame )) is_new_chan = FALSE;
1971 else is_new_chan = TRUE;
1973 /* Hat ein Server Channel-User-Modes uebergeben? */
1974 if( Client_Type( Client ) == CLIENT_SERVER )
1976 /* Channel-Flags extrahieren */
1977 flags = strchr( channame, 0x7 );
1978 if( flags ) *flags++ = '\0';
1981 /* neuer Channel udn lokaler Client? */
1982 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1984 /* Dann soll der Client Channel-Operator werden! */
1988 /* Channel joinen (und ggf. anlegen) */
1989 if( ! Channel_Join( target, channame ))
1991 /* naechsten Namen ermitteln */
1992 channame = strtok( NULL, "," );
1995 chan = Channel_Search( channame );
1996 assert( chan != NULL );
1998 /* Modes setzen (wenn vorhanden) */
1999 while( flags && *flags )
2001 Channel_UserModeAdd( chan, target, *flags );
2005 /* Muessen Modes an andere Server gemeldet werden? */
2006 strcpy( &modes[1], Channel_UserModes( chan, target ));
2007 if( modes[1] ) modes[0] = 0x7;
2008 else modes[0] = '\0';
2010 /* An andere Server weiterleiten */
2011 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2013 /* im Channel bekannt machen */
2014 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2017 /* Modes im Channel bekannt machen */
2018 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2021 if( Client_Type( Client ) == CLIENT_USER )
2023 /* an Client bestaetigen */
2024 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2025 /* Topic an Client schicken */
2026 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2027 /* Mitglieder an Client Melden */
2028 Send_NAMES( Client, chan );
2031 /* naechsten Namen ermitteln */
2032 channame = strtok( NULL, "," );
2038 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2043 assert( Client != NULL );
2044 assert( Req != NULL );
2046 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2048 /* Falsche Anzahl Parameter? */
2049 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2051 /* Wer ist der Absender? */
2052 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2053 else target = Client;
2054 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2056 /* Channel-Namen durchgehen */
2057 chan = strtok( Req->argv[0], "," );
2060 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2062 /* naechsten Namen ermitteln */
2063 chan = strtok( NULL, "," );
2067 /* naechsten Namen ermitteln */
2068 chan = strtok( NULL, "," );
2074 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2076 CLIENT *target, *prefix;
2078 assert( Client != NULL );
2079 assert( Req != NULL );
2081 /* Falsche Anzahl Parameter? */
2082 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2085 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2086 else target = Client_ThisServer( );
2088 /* Prefix ermitteln */
2089 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2090 else prefix = Client;
2091 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2093 /* An anderen Server weiterleiten? */
2094 if( target != Client_ThisServer( ))
2096 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2099 IRC_WriteStrClientPrefix( Client_NextHop( target ), prefix, "VERSION %s", Req->argv[0] );
2103 /* mit Versionsinfo antworten */
2104 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2108 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2112 assert( Client != NULL );
2113 assert( Req != NULL );
2115 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2117 /* Falsche Anzahl Parameter? */
2118 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2120 prefix = Client_GetFromID( Req->prefix );
2123 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2124 prefix = Client_ThisServer( );
2127 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2129 /* andere Server benachrichtigen */
2130 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2132 /* haben wir selber einen solchen Client? */
2133 c = Client_GetFromID( Req->argv[0] );
2134 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2140 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2142 assert( Client != NULL );
2144 /* Passwort ueberpruefen */
2145 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2147 /* Falsches Passwort */
2148 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2149 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2150 return DISCONNECTED;
2153 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2155 /* Andere Server informieren */
2156 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 ));
2158 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2159 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2160 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2161 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2163 Client_SetType( Client, CLIENT_USER );
2165 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2166 if( ! Show_MOTD( Client )) return DISCONNECTED;
2172 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2178 assert( Client != NULL );
2180 fd = fopen( Conf_MotdFile, "r" );
2183 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2184 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2187 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2190 if( ! fgets( line, 126, fd )) break;
2191 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2192 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2198 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2206 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2210 assert( Nick != NULL );
2211 assert( Reason != NULL );
2213 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2215 /* andere Server benachrichtigen */
2216 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2218 /* Ggf. einen eigenen Client toeten */
2219 c = Client_GetFromID( Nick );
2220 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2224 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2226 CHAR str[LINE_LEN + 1];
2230 assert( Client != NULL );
2231 assert( Chan != NULL );
2233 /* Alle Mitglieder suchen */
2234 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2235 cl2chan = Channel_FirstMember( Chan );
2238 cl = Channel_GetClient( cl2chan );
2240 /* Nick anhaengen */
2241 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2242 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2243 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2244 strcat( str, Client_ID( cl ));
2246 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2248 /* Zeile wird zu lang: senden! */
2249 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2250 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2253 /* naechstes Mitglied suchen */
2254 cl2chan = Channel_NextMember( Chan, cl2chan );
2256 if( str[strlen( str ) - 1] != ':')
2258 /* Es sind noch Daten da, die gesendet werden muessen */
2259 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2263 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2269 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2273 assert( Client != NULL );
2275 /* Users, Services und Serevr im Netz */
2276 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2278 /* IRC-Operatoren im Netz */
2279 cnt = Client_OperCount( );
2282 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2285 /* Unbekannt Verbindungen */
2286 cnt = Client_UnknownCount( );
2289 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2292 /* Channels im Netz */
2293 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2295 /* Channels im Netz */
2296 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2302 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2304 assert( Target != NULL );
2305 assert( Client != NULL );
2307 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2308 else return Client_Mask( Client );