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 1.73 2002/02/27 03:08:05 alex Exp $
17 * Revision 1.73 2002/02/27 03:08:05 alex
18 * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
20 * Revision 1.72 2002/02/27 02:26:58 alex
21 * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
23 * Revision 1.71 2002/02/27 00:50:05 alex
24 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
25 * - NAMES korrigiert und komplett implementiert.
27 * Revision 1.70 2002/02/26 22:06:40 alex
28 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
30 * Revision 1.69 2002/02/26 20:52:40 alex
31 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
33 * Revision 1.68 2002/02/25 17:46:27 alex
34 * - an User wird nun immer ein "komplettes" Prefix verschickt.
36 * Revision 1.67 2002/02/25 13:21:25 alex
37 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
38 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
40 * Revision 1.66 2002/02/23 21:39:48 alex
41 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
43 * Revision 1.65 2002/02/23 00:03:54 alex
44 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
46 * Revision 1.64 2002/02/19 20:06:45 alex
47 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
48 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
50 * Revision 1.63 2002/02/19 02:21:17 alex
51 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
52 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
54 * Revision 1.62 2002/02/17 23:38:58 alex
55 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
57 * Revision 1.61 2002/02/17 19:03:12 alex
58 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
60 * Revision 1.60 2002/02/17 17:43:14 alex
61 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
63 * Revision 1.59 2002/02/17 17:30:21 alex
64 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
65 * - Neue Funktion IRC_WriteStrRelatedPrefix().
67 * Revision 1.58 2002/02/17 17:18:59 alex
70 * Revision 1.57 2002/02/13 23:05:29 alex
71 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
73 * Revision 1.56 2002/02/13 17:52:27 alex
74 * - es werden nun Channel- und User-Modes von Usern angenommen.
76 * Revision 1.55 2002/02/12 14:40:37 alex
77 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
79 * Revision 1.54 2002/02/11 23:33:35 alex
80 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
82 * Revision 1.53 2002/02/11 16:06:21 alex
83 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
85 * Revision 1.52 2002/02/11 15:52:21 alex
86 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
87 * - Channel-Modes wurden falsch geliefert (als User-Modes).
89 * Revision 1.51 2002/02/11 15:15:53 alex
90 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
91 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
93 * Revision 1.50 2002/02/11 01:03:20 alex
94 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
95 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
96 * angelegt wird, werden Channel-Operator, etc. pp. ...
97 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
99 * Revision 1.49 2002/02/06 16:51:22 alex
100 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
102 * Revision 1.48 2002/01/29 00:13:45 alex
103 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
104 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
105 * LINKS wieder korrekt.
107 * Revision 1.47 2002/01/28 13:05:48 alex
108 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
109 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
111 * Revision 1.46 2002/01/28 01:45:43 alex
112 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
114 * Revision 1.45 2002/01/28 01:18:14 alex
115 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
117 * Revision 1.44 2002/01/28 00:55:08 alex
118 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
120 * Revision 1.43 2002/01/27 21:56:39 alex
121 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
122 * - einige kleinere Fixes bezueglich Channels ...
124 * Revision 1.42 2002/01/27 18:28:01 alex
125 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
127 * Revision 1.41 2002/01/27 17:15:49 alex
128 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
129 * IRC_WriteStrChannelPrefix(),
130 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
132 * Revision 1.40 2002/01/26 18:43:11 alex
133 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
134 * die IRC_Write_xxx_Related() sind dafuer entfallen.
135 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
137 * Revision 1.39 2002/01/21 00:05:11 alex
138 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
139 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
140 * - diverse Aenderungen im Zusammenhang mit Channels.
142 * Revision 1.38 2002/01/18 15:31:32 alex
143 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
145 * Revision 1.37 2002/01/16 22:10:18 alex
146 * - IRC_LUSERS() implementiert.
148 * Revision 1.36 2002/01/11 23:50:55 alex
149 * - LINKS implementiert, LUSERS begonnen.
151 * Revision 1.35 2002/01/09 21:30:45 alex
152 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
154 * Revision 1.34 2002/01/09 01:09:58 alex
155 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
156 * - andere Server werden nun ueber bisherige Server und User informiert.
158 * Revision 1.33 2002/01/07 23:42:12 alex
159 * - Es werden fuer alle Server eigene Token generiert,
160 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
161 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
163 * Revision 1.32 2002/01/07 16:02:36 alex
164 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
165 * - Im Debug-Mode werden nun auch PING's protokolliert.
167 * Revision 1.31 2002/01/07 15:39:46 alex
168 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
169 * - MODE und NICK melden nun die Aenderungen an andere Server.
171 * Revision 1.30 2002/01/06 15:21:29 alex
172 * - Loglevel und Meldungen nochmals ueberarbeitet.
173 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
174 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
176 * Revision 1.29 2002/01/05 23:24:54 alex
177 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
178 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
180 * Revision 1.28 2002/01/05 20:08:02 alex
181 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
182 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
184 * Revision 1.27 2002/01/05 19:15:03 alex
185 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
187 * Revision 1.26 2002/01/05 16:51:18 alex
188 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
190 * Revision 1.25 2002/01/05 00:48:33 alex
191 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
193 * Revision 1.24 2002/01/04 17:58:44 alex
194 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
195 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
197 * Revision 1.23 2002/01/04 01:36:40 alex
198 * - Loglevel ein wenig angepasst.
200 * Revision 1.22 2002/01/04 01:21:47 alex
201 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
202 * - Weitere Anpassungen und Erweiterungen der Server-Links.
204 * Revision 1.21 2002/01/03 02:26:51 alex
205 * - neue Befehle SERVER und NJOIN begonnen,
206 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
208 * Revision 1.20 2002/01/02 12:46:41 alex
209 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
211 * Revision 1.19 2002/01/02 02:51:39 alex
212 * - Copyright-Texte angepasst.
213 * - neuer Befehl "ERROR".
215 * Revision 1.17 2001/12/31 15:33:13 alex
216 * - neuer Befehl NAMES, kleinere Bugfixes.
217 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
219 * Revision 1.16 2001/12/31 02:18:51 alex
220 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
221 * - neuen Header "defines.h" mit (fast) allen Konstanten.
222 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
224 * Revision 1.15 2001/12/30 19:26:11 alex
225 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
227 * Revision 1.14 2001/12/30 11:42:00 alex
228 * - der Server meldet nun eine ordentliche "Start-Zeit".
230 * Revision 1.13 2001/12/29 03:10:06 alex
231 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
232 * - neue configure-Optione "--enable-strict-rfc".
234 * Revision 1.12 2001/12/27 19:17:26 alex
235 * - neue Befehle PRIVMSG, NOTICE, PING.
237 * Revision 1.11 2001/12/27 16:55:41 alex
238 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
240 * Revision 1.10 2001/12/26 22:48:53 alex
241 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
243 * Revision 1.9 2001/12/26 14:45:37 alex
246 * Revision 1.8 2001/12/26 03:21:46 alex
247 * - PING/PONG-Befehle implementiert,
248 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
250 * Revision 1.7 2001/12/25 23:25:18 alex
251 * - und nochmal Aenderungen am Logging ;-)
253 * Revision 1.6 2001/12/25 23:13:33 alex
254 * - Debug-Meldungen angepasst.
256 * Revision 1.5 2001/12/25 22:02:42 alex
257 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
259 * Revision 1.4 2001/12/25 19:19:30 alex
260 * - bessere Fehler-Abfragen, diverse Bugfixes.
261 * - Nicks werden nur einmal vergeben :-)
262 * - /MOTD wird unterstuetzt.
264 * Revision 1.3 2001/12/24 01:34:06 alex
265 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
266 * - MOTD-Ausgabe begonnen zu implementieren.
268 * Revision 1.2 2001/12/23 21:57:16 alex
269 * - erste IRC-Befehle zu implementieren begonnen.
271 * Revision 1.1 2001/12/14 08:13:43 alex
272 * - neues Modul begonnen :-)
293 #include "messages.h"
301 #define CONNECTED TRUE
302 #define DISCONNECTED FALSE
305 LOCAL BOOLEAN Hello_User( CLIENT *Client );
306 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
308 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
310 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
311 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
313 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
316 GLOBAL VOID IRC_Init( VOID )
321 GLOBAL VOID IRC_Exit( VOID )
326 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
329 BOOLEAN ok = CONNECTED;
332 assert( Client != NULL );
333 assert( Format != NULL );
335 va_start( ap, Format );
336 vsnprintf( buffer, 1000, Format, ap );
339 /* an den Client selber */
340 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
343 } /* IRC_WriteStrClient */
346 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
348 /* Text an Clients, lokal bzw. remote, senden. */
353 assert( Client != NULL );
354 assert( Format != NULL );
355 assert( Prefix != NULL );
357 va_start( ap, Format );
358 vsnprintf( buffer, 1000, Format, ap );
361 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
362 } /* IRC_WriteStrClientPrefix */
365 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
370 assert( Client != NULL );
371 assert( Format != NULL );
373 va_start( ap, Format );
374 vsnprintf( buffer, 1000, Format, ap );
377 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
378 } /* IRC_WriteStrChannel */
381 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
383 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
390 assert( Client != NULL );
391 assert( Chan != NULL );
392 assert( Prefix != NULL );
393 assert( Format != NULL );
395 va_start( ap, Format );
396 vsnprintf( buffer, 1000, Format, ap );
399 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
401 /* An alle Clients, die in den selben Channels sind.
402 * Dabei aber nur einmal je Remote-Server */
403 cl2chan = Channel_FirstMember( Chan );
406 c = Channel_GetClient( cl2chan );
409 if( Client_Conn( c ) <= NONE ) c = NULL;
410 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
412 if( c ) c = Client_NextHop( c );
414 if( c && ( c != Client ))
416 /* Ok, anderer Client */
417 s = Client_Conn( c );
419 assert( s < MAX_CONNECTIONS );
421 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
422 else is_server[s] = FALSE;
424 cl2chan = Channel_NextMember( Chan, cl2chan );
428 for( i = 0; i < MAX_CONNECTIONS; i++ )
432 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
433 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
438 } /* IRC_WriteStrChannelPrefix */
441 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
446 assert( Format != NULL );
448 va_start( ap, Format );
449 vsnprintf( buffer, 1000, Format, ap );
452 /* an den Client selber */
453 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
454 } /* IRC_WriteStrServers */
457 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
463 assert( Format != NULL );
464 assert( Prefix != NULL );
466 va_start( ap, Format );
467 vsnprintf( buffer, 1000, Format, ap );
473 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
475 /* Ziel-Server gefunden */
476 IRC_WriteStrClientPrefix( c, Prefix, buffer );
478 c = Client_Next( c );
480 } /* IRC_WriteStrServersPrefix */
483 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
485 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
486 CL2CHAN *chan_cl2chan, *cl2chan;
493 assert( Client != NULL );
494 assert( Prefix != NULL );
495 assert( Format != NULL );
497 va_start( ap, Format );
498 vsnprintf( buffer, 1000, Format, ap );
502 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
504 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
505 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
506 chan_cl2chan = Channel_FirstChannelOf( Client );
507 while( chan_cl2chan )
509 /* Channel des Users durchsuchen */
510 chan = Channel_GetChannel( chan_cl2chan );
511 cl2chan = Channel_FirstMember( chan );
514 c = Channel_GetClient( cl2chan );
517 if( Client_Conn( c ) <= NONE ) c = NULL;
518 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
520 if( c ) c = Client_NextHop( c );
522 if( c && ( c != Client ))
524 /* Ok, anderer Client */
525 s = Client_Conn( c );
527 assert( s < MAX_CONNECTIONS );
529 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
530 else is_server[s] = FALSE;
532 cl2chan = Channel_NextMember( chan, cl2chan );
535 /* naechsten Channel */
536 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
540 for( i = 0; i < MAX_CONNECTIONS; i++ )
544 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
545 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
550 } /* IRC_WriteStrRelatedPrefix */
554 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
556 assert( Client != NULL );
557 assert( Req != NULL );
559 /* Fehler liefern, wenn kein lokaler Client */
560 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
562 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
564 /* noch nicht registrierte unbekannte Verbindung */
565 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
567 /* Passwort speichern */
568 Client_SetPassword( Client, Req->argv[0] );
570 Client_SetType( Client, CLIENT_GOTPASS );
573 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
575 /* noch nicht registrierte Server-Verbindung */
576 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
578 /* Passwort speichern */
579 Client_SetPassword( Client, Req->argv[0] );
581 Client_SetType( Client, CLIENT_GOTPASSSERVER );
584 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
586 /* Falsche Anzahl Parameter? */
587 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
589 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
593 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
595 CHAR str[LINE_LEN], *ptr;
596 CLIENT *from, *c, *cl;
602 assert( Client != NULL );
603 assert( Req != NULL );
605 /* Fehler liefern, wenn kein lokaler Client */
606 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
608 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
610 /* Verbindung soll als Server-Server-Verbindung registriert werden */
611 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
613 /* Falsche Anzahl Parameter? */
614 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
616 /* Ist dieser Server bei uns konfiguriert? */
617 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
618 if( i >= Conf_Server_Count )
620 /* Server ist nicht konfiguriert! */
621 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
622 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
625 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
627 /* Falsches Passwort */
628 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
629 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
633 /* Ist ein Server mit dieser ID bereits registriert? */
634 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
636 /* Server-Strukturen fuellen ;-) */
637 Client_SetID( Client, Req->argv[0] );
638 Client_SetHops( Client, 1 );
639 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
641 /* Meldet sich der Server bei uns an? */
644 /* Unseren SERVER- und PASS-Befehl senden */
646 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
647 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
650 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
653 Client_SetIntroducer( Client, Client );
654 Client_SetToken( Client, 1 );
656 else Client_SetToken( Client, atoi( Req->argv[1] ));
658 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
660 Client_SetType( Client, CLIENT_SERVER );
662 /* maximalen Hop Count ermitteln */
667 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
668 c = Client_Next( c );
671 /* Alle bisherigen Server dem neuen Server bekannt machen,
672 * die bisherigen Server ueber den neuen informierenn */
673 for( i = 0; i < ( max_hops + 1 ); i++ )
678 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
680 if( Client_Conn( c ) > NONE )
682 /* Dem gefundenen Server gleich den neuen
683 * Server bekannt machen */
684 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
687 /* Den neuen Server ueber den alten informieren */
688 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;
690 c = Client_Next( c );
694 /* alle User dem neuen Server bekannt machen */
698 if( Client_Type( c ) == CLIENT_USER )
700 /* User an neuen Server melden */
701 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;
703 c = Client_Next( c );
706 /* Channels dem neuen Server bekannt machen */
707 chan = Channel_First( );
710 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
712 /* alle Member suchen */
713 cl2chan = Channel_FirstMember( chan );
716 cl = Channel_GetClient( cl2chan );
717 assert( cl != NULL );
719 /* Nick, ggf. mit Modes, anhaengen */
720 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
721 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
722 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
723 strcat( str, Client_ID( cl ));
725 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
728 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
729 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
732 cl2chan = Channel_NextMember( chan, cl2chan );
736 if( str[strlen( str ) - 1] != ':')
738 /* Ja; Also senden ... */
739 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
742 /* naechsten Channel suchen */
743 chan = Channel_Next( chan );
748 else if( Client_Type( Client ) == CLIENT_SERVER )
750 /* Neuer Server wird im Netz angekuendigt */
752 /* Falsche Anzahl Parameter? */
753 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
755 /* Ist ein Server mit dieser ID bereits registriert? */
756 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
758 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
759 ptr = strchr( Req->argv[3] + 2, '[' );
760 if( ! ptr ) ptr = Req->argv[3];
762 from = Client_GetFromID( Req->prefix );
765 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
766 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
767 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
771 /* Neue Client-Struktur anlegen */
772 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
775 /* Neue Client-Struktur konnte nicht angelegt werden */
776 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
777 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
781 /* Log-Meldung zusammenbauen und ausgeben */
782 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
783 else strcpy( str, "" );
784 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": "" );
786 /* Andere Server informieren */
787 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
791 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
795 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
797 CHAR *channame, *ptr, modes[8];
798 BOOLEAN is_op, is_voiced;
802 assert( Client != NULL );
803 assert( Req != NULL );
805 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
807 /* Falsche Anzahl Parameter? */
808 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
810 channame = Req->argv[0];
811 ptr = strtok( Req->argv[1], "," );
814 is_op = is_voiced = FALSE;
816 /* Prefixe abschneiden */
817 while(( *ptr == '@' ) || ( *ptr == '+' ))
819 if( *ptr == '@' ) is_op = TRUE;
820 if( *ptr == '+' ) is_voiced = TRUE;
824 c = Client_GetFromID( ptr );
827 Channel_Join( c, channame );
828 chan = Channel_Search( channame );
829 assert( chan != NULL );
831 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
832 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
834 /* im Channel bekannt machen */
835 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
837 /* Channel-User-Modes setzen */
838 strcpy( modes, Channel_UserModes( chan, c ));
841 /* Modes im Channel bekannt machen */
842 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
845 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
847 /* naechsten Nick suchen */
848 ptr = strtok( NULL, "," );
851 /* an andere Server weiterleiten */
852 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
858 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
860 CLIENT *intr_c, *target, *c;
863 assert( Client != NULL );
864 assert( Req != NULL );
866 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
868 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 ))
870 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 ))
873 /* User-Registrierung bzw. Nick-Aenderung */
875 /* Falsche Anzahl Parameter? */
876 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
878 /* "Ziel-Client" ermitteln */
879 if( Client_Type( Client ) == CLIENT_SERVER )
881 target = Client_GetFromID( Req->prefix );
882 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
886 /* Ist der Client "restricted"? */
887 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
892 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
893 * wir nichts. So macht es das Original und mind. Snak hat probleme,
894 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
895 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
898 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
899 * will nur die Gross- und Kleinschreibung aendern. Das darf
900 * er natuerlich machen :-) */
901 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
903 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
906 /* Nick-Aenderung: allen mitteilen! */
908 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
909 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
910 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
912 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
915 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
916 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
917 else Client_SetType( Client, CLIENT_GOTNICK );
919 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
921 /* Client-Nick registrieren */
922 Client_SetID( target, Req->argv[0] );
926 else if( Client_Type( Client ) == CLIENT_SERVER )
928 /* Server fuehrt neuen Client ein */
930 /* Falsche Anzahl Parameter? */
931 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
933 /* Nick ueberpruefen */
934 c = Client_GetFromID( Req->argv[0] );
937 /* Der neue Nick ist auf diesem Server bereits registriert:
938 * sowohl der neue, als auch der alte Client muessen nun
939 * disconnectiert werden. */
940 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
941 Kill_Nick( Req->argv[0], "Nick collision" );
945 /* Server, zu dem der Client connectiert ist, suchen */
946 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
949 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
950 Kill_Nick( Req->argv[0], "Unknown server" );
954 /* Neue Client-Struktur anlegen */
955 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 );
958 /* Eine neue Client-Struktur konnte nicht angelegt werden.
959 * Der Client muss disconnectiert werden, damit der Netz-
960 * status konsistent bleibt. */
961 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
962 Kill_Nick( Req->argv[0], "Server error" );
966 modes = Client_Modes( c );
967 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": "" );
968 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": "" );
970 /* Andere Server, ausser dem Introducer, informieren */
971 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] );
975 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
979 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
981 assert( Client != NULL );
982 assert( Req != NULL );
985 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
987 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
990 /* Falsche Anzahl Parameter? */
991 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
993 Client_SetUser( Client, Req->argv[0], FALSE );
994 Client_SetInfo( Client, Req->argv[3] );
996 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
997 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
998 else Client_SetType( Client, CLIENT_GOTUSER );
1001 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
1003 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
1005 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1009 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1013 assert( Client != NULL );
1014 assert( Req != NULL );
1016 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1018 /* User / Service */
1020 /* Falsche Anzahl Parameter? */
1021 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1023 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1024 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1026 return DISCONNECTED;
1028 else if ( Client_Type( Client ) == CLIENT_SERVER )
1032 /* Falsche Anzahl Parameter? */
1033 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1035 target = Client_Search( Req->prefix );
1038 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1042 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1043 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1047 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1051 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1054 CHAR msg[LINE_LEN + 64];
1056 assert( Client != NULL );
1057 assert( Req != NULL );
1059 /* SQUIT ist nur fuer Server erlaubt */
1060 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1062 /* Falsche Anzahl Parameter? */
1063 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1065 Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] );
1067 /* SQUIT an alle Server weiterleiten */
1068 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1070 target = Client_GetFromID( Req->argv[0] );
1073 Log( LOG_ERR, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] );
1077 if( Req->argv[1][0] )
1079 if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
1080 sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
1082 else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client ));
1084 if( Client_Conn( target ) > NONE )
1086 /* dieser Server hat die Connection */
1087 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
1088 else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
1090 else Client_Destroy( target, msg, Req->argv[1] );
1092 return DISCONNECTED;
1096 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1098 CLIENT *target, *from;
1100 assert( Client != NULL );
1101 assert( Req != NULL );
1103 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1105 /* Falsche Anzahl Parameter? */
1106 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1107 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1109 if( Req->argc == 2 )
1111 /* es wurde ein Ziel-Client angegeben */
1112 target = Client_GetFromID( Req->argv[1] );
1113 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1114 if( target != Client_ThisServer( ))
1117 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1119 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1120 return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1124 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1125 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1129 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1131 CLIENT *target, *from;
1133 assert( Client != NULL );
1134 assert( Req != NULL );
1136 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1138 /* Falsche Anzahl Parameter? */
1139 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1140 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1143 if( Req->argc == 2 )
1145 target = Client_GetFromID( Req->argv[1] );
1146 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1147 if( target != Client_ThisServer( ))
1150 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1152 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1153 return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1157 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1158 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1160 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 )));
1161 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1167 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1169 assert( Client != NULL );
1170 assert( Req != NULL );
1172 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1174 /* Falsche Anzahl Parameter? */
1175 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1177 return Show_MOTD( Client );
1181 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1186 assert( Client != NULL );
1187 assert( Req != NULL );
1189 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1191 /* Falsche Anzahl Parameter? */
1192 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1193 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1194 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1196 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1198 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1200 to = Client_Search( Req->argv[0] );
1203 /* Okay, Ziel ist ein User */
1204 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1205 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1208 chan = Channel_Search( Req->argv[0] );
1211 /* Okay, Ziel ist ein Channel */
1212 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1213 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1216 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1220 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1224 assert( Client != NULL );
1225 assert( Req != NULL );
1227 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1229 /* Falsche Anzahl Parameter? */
1230 if( Req->argc != 2 ) return CONNECTED;
1232 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1234 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1236 to = Client_Search( Req->argv[0] );
1239 /* Okay, Ziel ist ein User */
1240 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1242 else return CONNECTED;
1246 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1248 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1249 CLIENT *cl, *chan_cl, *prefix;
1253 assert( Client != NULL );
1254 assert( Req != NULL );
1256 cl = chan_cl = prefix = NULL;
1259 /* Valider Client? */
1260 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1262 /* Keine Parameter? */
1263 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1265 /* Ziel suchen: Client bzw. Channel */
1266 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1267 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1269 /* Kein Ziel gefunden? */
1270 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1272 assert(( cl && chan ) != TRUE );
1274 /* Falsche Anzahl Parameter? */
1275 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1276 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1278 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1279 if(( chan ) && (Req->argc == 3 ))
1281 chan_cl = Client_Search( Req->argv[2] );
1282 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1285 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1286 if( Client_Type( Client ) == CLIENT_USER )
1290 /* MODE ist nur fuer sich selber zulaessig! */
1291 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1295 /* Darf der User die Channel-Modes ermitteln? */
1299 /* Werden die Modes "nur" erfragt? */
1300 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1301 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1303 mode_ptr = Req->argv[1];
1305 /* Sollen Modes gesetzt oder geloescht werden? */
1308 if( *mode_ptr == '+' ) set = TRUE;
1309 else if( *mode_ptr == '-' ) set = FALSE;
1310 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1315 if( *mode_ptr == '-' ) set = FALSE;
1317 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1320 /* Prefix fuer Antworten etc. ermitteln */
1321 if( Client_Type( Client ) == CLIENT_SERVER )
1323 prefix = Client_GetFromID( Req->prefix );
1324 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1326 else prefix = Client;
1328 /* Reply-String mit Aenderungen vorbereiten */
1329 if( set ) strcpy( the_modes, "+" );
1330 else strcpy( the_modes, "-" );
1337 if( Client_Type( Client ) == CLIENT_SERVER )
1339 /* Befehl kommt von einem Server, daher
1340 * trauen wir ihm "unbesehen" ... */
1345 /* Modes validieren */
1356 /* restricted (kann nur gesetzt werden) */
1357 if( set ) x[0] = 'r';
1358 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1361 /* operator (kann nur geloescht werden) */
1364 Client_SetOperByMe( Client, FALSE );
1367 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1370 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1371 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1377 /* Ist der User ein Channel Operator? */
1378 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1380 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1381 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1385 /* Channel-Modes oder Channel-User-Modes */
1388 /* Channel-User-Modes */
1392 /* Channel Operator */
1400 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 ));
1401 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1419 /* kein Schreiben in den Channel von aussen */
1439 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1440 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1449 if( ! x[0] ) continue;
1451 /* Okay, gueltigen Mode gefunden */
1454 /* Es geht um User-Modes */
1457 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1458 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1462 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1463 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1468 /* Es geht um Channel-Modes oder Channel-User-Modes */
1471 /* Channel-User-Modes */
1474 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1475 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1479 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1480 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1488 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1489 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1493 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1494 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1500 /* Wurden Modes geaendert? */
1506 if( Client_Type( Client ) == CLIENT_SERVER )
1508 /* Modes an andere Server forwarden */
1509 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1513 /* Bestaetigung an Client schicken & andere Server informieren */
1514 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1515 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1517 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1521 /* Channel-Modes oder Channel-User-Mode */
1524 /* Channel-User-Mode */
1525 if( Client_Type( Client ) == CLIENT_SERVER )
1527 /* Modes an andere Server und Channel-User forwarden */
1528 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1529 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1533 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1534 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1535 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1536 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1538 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1543 if( Client_Type( Client ) == CLIENT_SERVER )
1545 /* Modes an andere Server und Channel-User forwarden */
1546 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1547 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1551 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1552 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1553 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1554 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1556 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1565 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1569 assert( Client != NULL );
1570 assert( Req != NULL );
1572 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1574 /* Falsche Anzahl Parameter? */
1575 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1577 /* Operator suchen */
1578 for( i = 0; i < Conf_Oper_Count; i++)
1580 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1582 if( i >= Conf_Oper_Count )
1584 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1585 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1588 /* Stimmt das Passwort? */
1589 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1591 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1592 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1595 if( ! Client_HasMode( Client, 'o' ))
1597 /* noch kein o-Mode gesetzt */
1598 Client_ModeAdd( Client, 'o' );
1599 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1600 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1603 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1605 Client_SetOperByMe( Client, TRUE );
1606 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1610 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1612 assert( Client != NULL );
1613 assert( Req != NULL );
1615 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1617 /* Falsche Anzahl Parameter? */
1618 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1620 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1622 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1628 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1630 assert( Client != NULL );
1631 assert( Req != NULL );
1633 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1635 /* Falsche Anzahl Parameter? */
1636 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1638 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1640 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1641 NGIRCd_Restart = TRUE;
1646 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1648 CHAR rpl[COMMAND_LEN], *ptr;
1649 CLIENT *target, *from, *c;
1652 assert( Client != NULL );
1653 assert( Req != NULL );
1655 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1657 /* Falsche Anzahl Parameter? */
1658 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1660 /* From aus Prefix ermitteln */
1661 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1663 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1665 if( Req->argc == 2 )
1667 /* an anderen Server forwarden */
1668 target = Client_GetFromID( Req->argv[1] );
1669 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1671 if( target != Client_ThisServer( ))
1673 /* Ok, anderer Server ist das Ziel: forwarden */
1674 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
1680 /* bestimmte Channels durchgehen */
1681 ptr = strtok( Req->argv[0], "," );
1684 chan = Channel_Search( ptr );
1687 /* Namen ausgeben */
1688 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1690 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
1692 /* naechsten Namen ermitteln */
1693 ptr = strtok( NULL, "," );
1698 /* alle Channels durchgehen */
1699 chan = Channel_First( );
1702 /* Namen ausgeben */
1703 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1705 /* naechster Channel */
1706 chan = Channel_Next( chan );
1709 c = Client_First( );
1710 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1713 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ))
1715 /* Okay, das ist ein User: anhaengen */
1716 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
1717 strcat( rpl, Client_ID( c ));
1719 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1721 /* Zeile wird zu lang: senden! */
1722 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1723 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1727 /* naechster Client */
1728 c = Client_Next( c );
1730 if( rpl[strlen( rpl ) - 1] != ':')
1732 /* es wurden User gefunden */
1733 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1736 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
1740 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1742 CHAR rpl[COMMAND_LEN];
1747 assert( Client != NULL );
1748 assert( Req != NULL );
1750 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1752 /* Falsche Anzahl Parameter? */
1753 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1755 strcpy( rpl, RPL_ISON_MSG );
1756 for( i = 0; i < Req->argc; i++ )
1758 ptr = strtok( Req->argv[i], " " );
1762 c = Client_GetFromID( ptr );
1763 if( c && ( Client_Type( c ) == CLIENT_USER ))
1765 /* Dieser Nick ist "online" */
1769 ptr = strtok( NULL, " " );
1772 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1774 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1778 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1780 CLIENT *from, *target, *c;
1781 CHAR str[LINE_LEN + 1], *ptr = NULL;
1785 assert( Client != NULL );
1786 assert( Req != NULL );
1788 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1790 /* Falsche Anzahl Parameter? */
1791 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1794 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1795 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1797 /* Empfaenger des WHOIS suchen */
1798 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1800 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1802 /* Forwarden an anderen Server? */
1805 /* angegebenen Ziel-Server suchen */
1806 target = Client_GetFromID( Req->argv[1] );
1807 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1810 else target = Client_ThisServer( );
1812 assert( target != NULL );
1814 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 );
1816 /* Nick, User und Name */
1817 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1820 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;
1823 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1824 cl2chan = Channel_FirstChannelOf( c );
1827 chan = Channel_GetChannel( cl2chan );
1828 assert( chan != NULL );
1830 /* Channel-Name anhaengen */
1831 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1832 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1833 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1834 strcat( str, Channel_Name( chan ));
1836 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1838 /* Zeile wird zu lang: senden! */
1839 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1840 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1843 /* naechstes Mitglied suchen */
1844 cl2chan = Channel_NextChannelOf( c, cl2chan );
1846 if( str[strlen( str ) - 1] != ':')
1848 /* Es sind noch Daten da, die gesendet werden muessen */
1849 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1853 if( Client_HasMode( c, 'o' ))
1855 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1858 /* Idle (nur lokale Clients) */
1859 if( Client_Conn( c ) > NONE )
1861 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1865 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1869 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1871 CHAR rpl[COMMAND_LEN];
1875 assert( Client != NULL );
1876 assert( Req != NULL );
1878 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1880 /* Falsche Anzahl Parameter? */
1881 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1883 if( Req->argc > 5 ) max = 5;
1884 else max = Req->argc;
1886 strcpy( rpl, RPL_USERHOST_MSG );
1887 for( i = 0; i < max; i++ )
1889 c = Client_GetFromID( Req->argv[i] );
1890 if( c && ( Client_Type( c ) == CLIENT_USER ))
1892 /* Dieser Nick ist "online" */
1893 strcat( rpl, Client_ID( c ));
1894 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1896 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1897 else strcat( rpl, "+" );
1898 strcat( rpl, Client_User( c ));
1900 strcat( rpl, Client_Hostname( c ));
1904 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1906 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1907 } /* IRC_USERHOST */
1910 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1912 assert( Client != NULL );
1913 assert( Req != NULL );
1915 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1916 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1922 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1924 CLIENT *target, *from;
1926 assert( Client != NULL );
1927 assert( Req != NULL );
1929 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1931 /* Falsche Anzahl Parameter? */
1932 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1934 /* Absender ermitteln */
1935 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1937 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1939 /* An anderen Server forwarden? */
1940 if( Req->argc == 2 )
1942 target = Client_GetFromID( Req->argv[1] );
1943 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1944 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1947 /* Wer ist der Absender? */
1948 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1949 else target = Client;
1950 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1952 Send_LUSERS( target );
1958 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1960 CLIENT *target, *from, *c;
1963 assert( Client != NULL );
1964 assert( Req != NULL );
1966 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1968 /* Falsche Anzahl Parameter? */
1969 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1971 /* Server-Mask ermitteln */
1972 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1975 /* Absender ermitteln */
1976 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1978 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1980 /* An anderen Server forwarden? */
1981 if( Req->argc == 2 )
1983 target = Client_GetFromID( Req->argv[0] );
1984 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1985 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1988 /* Wer ist der Absender? */
1989 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1990 else target = Client;
1991 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1993 c = Client_First( );
1996 if( Client_Type( c ) == CLIENT_SERVER )
1998 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;
2000 c = Client_Next( c );
2003 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
2007 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
2009 CHAR *channame, *flags, modes[8];
2010 BOOLEAN is_new_chan;
2014 assert( Client != NULL );
2015 assert( Req != NULL );
2017 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2019 /* Falsche Anzahl Parameter? */
2020 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2022 /* Wer ist der Absender? */
2023 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2024 else target = Client;
2025 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2027 /* Channel-Namen durchgehen */
2028 channame = strtok( Req->argv[0], "," );
2031 /* wird der Channel neu angelegt? */
2034 if( Channel_Search( channame )) is_new_chan = FALSE;
2035 else is_new_chan = TRUE;
2037 /* Hat ein Server Channel-User-Modes uebergeben? */
2038 if( Client_Type( Client ) == CLIENT_SERVER )
2040 /* Channel-Flags extrahieren */
2041 flags = strchr( channame, 0x7 );
2042 if( flags ) *flags++ = '\0';
2045 /* neuer Channel udn lokaler Client? */
2046 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
2048 /* Dann soll der Client Channel-Operator werden! */
2052 /* Channel joinen (und ggf. anlegen) */
2053 if( ! Channel_Join( target, channame ))
2055 /* naechsten Namen ermitteln */
2056 channame = strtok( NULL, "," );
2059 chan = Channel_Search( channame );
2060 assert( chan != NULL );
2062 /* Modes setzen (wenn vorhanden) */
2063 while( flags && *flags )
2065 Channel_UserModeAdd( chan, target, *flags );
2069 /* Muessen Modes an andere Server gemeldet werden? */
2070 strcpy( &modes[1], Channel_UserModes( chan, target ));
2071 if( modes[1] ) modes[0] = 0x7;
2072 else modes[0] = '\0';
2074 /* An andere Server weiterleiten */
2075 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2077 /* im Channel bekannt machen */
2078 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2081 /* Modes im Channel bekannt machen */
2082 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2085 if( Client_Type( Client ) == CLIENT_USER )
2087 /* an Client bestaetigen */
2088 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2090 /* Topic an Client schicken */
2091 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2093 /* Mitglieder an Client Melden */
2094 Send_NAMES( Client, chan );
2095 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
2098 /* naechsten Namen ermitteln */
2099 channame = strtok( NULL, "," );
2105 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2110 assert( Client != NULL );
2111 assert( Req != NULL );
2113 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2115 /* Falsche Anzahl Parameter? */
2116 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2118 /* Wer ist der Absender? */
2119 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2120 else target = Client;
2121 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2123 /* Channel-Namen durchgehen */
2124 chan = strtok( Req->argv[0], "," );
2127 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2129 /* naechsten Namen ermitteln */
2130 chan = strtok( NULL, "," );
2134 /* naechsten Namen ermitteln */
2135 chan = strtok( NULL, "," );
2141 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2143 CLIENT *target, *prefix;
2145 assert( Client != NULL );
2146 assert( Req != NULL );
2148 /* Falsche Anzahl Parameter? */
2149 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2152 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2153 else target = Client_ThisServer( );
2155 /* Prefix ermitteln */
2156 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2157 else prefix = Client;
2158 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2160 /* An anderen Server weiterleiten? */
2161 if( target != Client_ThisServer( ))
2163 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2166 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
2170 /* mit Versionsinfo antworten */
2171 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2175 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2179 assert( Client != NULL );
2180 assert( Req != NULL );
2182 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2184 /* Falsche Anzahl Parameter? */
2185 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2187 prefix = Client_GetFromID( Req->prefix );
2190 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2191 prefix = Client_ThisServer( );
2194 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2196 /* andere Server benachrichtigen */
2197 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2199 /* haben wir selber einen solchen Client? */
2200 c = Client_GetFromID( Req->argv[0] );
2201 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2207 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2209 assert( Client != NULL );
2211 /* Passwort ueberpruefen */
2212 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2214 /* Falsches Passwort */
2215 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2216 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2217 return DISCONNECTED;
2220 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2222 /* Andere Server informieren */
2223 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 ));
2225 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2226 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2227 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2228 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2230 Client_SetType( Client, CLIENT_USER );
2232 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2233 if( ! Show_MOTD( Client )) return DISCONNECTED;
2239 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2245 assert( Client != NULL );
2247 fd = fopen( Conf_MotdFile, "r" );
2250 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2251 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2254 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2257 if( ! fgets( line, 126, fd )) break;
2258 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2259 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2265 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2273 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2277 assert( Nick != NULL );
2278 assert( Reason != NULL );
2280 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2282 /* andere Server benachrichtigen */
2283 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2285 /* Ggf. einen eigenen Client toeten */
2286 c = Client_GetFromID( Nick );
2287 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2291 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2293 CHAR str[LINE_LEN + 1];
2297 assert( Client != NULL );
2298 assert( Chan != NULL );
2300 /* Alle Mitglieder suchen */
2301 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2302 cl2chan = Channel_FirstMember( Chan );
2305 cl = Channel_GetClient( cl2chan );
2307 /* Nick anhaengen */
2308 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2309 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2310 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2311 strcat( str, Client_ID( cl ));
2313 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2315 /* Zeile wird zu lang: senden! */
2316 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2317 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2320 /* naechstes Mitglied suchen */
2321 cl2chan = Channel_NextMember( Chan, cl2chan );
2323 if( str[strlen( str ) - 1] != ':')
2325 /* Es sind noch Daten da, die gesendet werden muessen */
2326 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2333 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2337 assert( Client != NULL );
2339 /* Users, Services und Serevr im Netz */
2340 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2342 /* IRC-Operatoren im Netz */
2343 cnt = Client_OperCount( );
2346 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2349 /* Unbekannt Verbindungen */
2350 cnt = Client_UnknownCount( );
2353 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2356 /* Channels im Netz */
2357 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2359 /* Channels im Netz */
2360 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2366 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2368 assert( Target != NULL );
2369 assert( Client != NULL );
2371 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2372 else return Client_Mask( Client );