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 1.72 2002/02/27 02:26:58 alex Exp $
17 * Revision 1.72 2002/02/27 02:26:58 alex
18 * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
20 * Revision 1.71 2002/02/27 00:50:05 alex
21 * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
22 * - NAMES korrigiert und komplett implementiert.
24 * Revision 1.70 2002/02/26 22:06:40 alex
25 * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
27 * Revision 1.69 2002/02/26 20:52:40 alex
28 * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet)
30 * Revision 1.68 2002/02/25 17:46:27 alex
31 * - an User wird nun immer ein "komplettes" Prefix verschickt.
33 * Revision 1.67 2002/02/25 13:21:25 alex
34 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
35 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
37 * Revision 1.66 2002/02/23 21:39:48 alex
38 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
40 * Revision 1.65 2002/02/23 00:03:54 alex
41 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
43 * Revision 1.64 2002/02/19 20:06:45 alex
44 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
45 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
47 * Revision 1.63 2002/02/19 02:21:17 alex
48 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
49 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
51 * Revision 1.62 2002/02/17 23:38:58 alex
52 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
54 * Revision 1.61 2002/02/17 19:03:12 alex
55 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
57 * Revision 1.60 2002/02/17 17:43:14 alex
58 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
60 * Revision 1.59 2002/02/17 17:30:21 alex
61 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
62 * - Neue Funktion IRC_WriteStrRelatedPrefix().
64 * Revision 1.58 2002/02/17 17:18:59 alex
67 * Revision 1.57 2002/02/13 23:05:29 alex
68 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
70 * Revision 1.56 2002/02/13 17:52:27 alex
71 * - es werden nun Channel- und User-Modes von Usern angenommen.
73 * Revision 1.55 2002/02/12 14:40:37 alex
74 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
76 * Revision 1.54 2002/02/11 23:33:35 alex
77 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
79 * Revision 1.53 2002/02/11 16:06:21 alex
80 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
82 * Revision 1.52 2002/02/11 15:52:21 alex
83 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
84 * - Channel-Modes wurden falsch geliefert (als User-Modes).
86 * Revision 1.51 2002/02/11 15:15:53 alex
87 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
88 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
90 * Revision 1.50 2002/02/11 01:03:20 alex
91 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
92 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
93 * angelegt wird, werden Channel-Operator, etc. pp. ...
94 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
96 * Revision 1.49 2002/02/06 16:51:22 alex
97 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
99 * Revision 1.48 2002/01/29 00:13:45 alex
100 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
101 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
102 * LINKS wieder korrekt.
104 * Revision 1.47 2002/01/28 13:05:48 alex
105 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
106 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
108 * Revision 1.46 2002/01/28 01:45:43 alex
109 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
111 * Revision 1.45 2002/01/28 01:18:14 alex
112 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
114 * Revision 1.44 2002/01/28 00:55:08 alex
115 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
117 * Revision 1.43 2002/01/27 21:56:39 alex
118 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
119 * - einige kleinere Fixes bezueglich Channels ...
121 * Revision 1.42 2002/01/27 18:28:01 alex
122 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
124 * Revision 1.41 2002/01/27 17:15:49 alex
125 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
126 * IRC_WriteStrChannelPrefix(),
127 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
129 * Revision 1.40 2002/01/26 18:43:11 alex
130 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
131 * die IRC_Write_xxx_Related() sind dafuer entfallen.
132 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
134 * Revision 1.39 2002/01/21 00:05:11 alex
135 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
136 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
137 * - diverse Aenderungen im Zusammenhang mit Channels.
139 * Revision 1.38 2002/01/18 15:31:32 alex
140 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
142 * Revision 1.37 2002/01/16 22:10:18 alex
143 * - IRC_LUSERS() implementiert.
145 * Revision 1.36 2002/01/11 23:50:55 alex
146 * - LINKS implementiert, LUSERS begonnen.
148 * Revision 1.35 2002/01/09 21:30:45 alex
149 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
151 * Revision 1.34 2002/01/09 01:09:58 alex
152 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
153 * - andere Server werden nun ueber bisherige Server und User informiert.
155 * Revision 1.33 2002/01/07 23:42:12 alex
156 * - Es werden fuer alle Server eigene Token generiert,
157 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
158 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
160 * Revision 1.32 2002/01/07 16:02:36 alex
161 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
162 * - Im Debug-Mode werden nun auch PING's protokolliert.
164 * Revision 1.31 2002/01/07 15:39:46 alex
165 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
166 * - MODE und NICK melden nun die Aenderungen an andere Server.
168 * Revision 1.30 2002/01/06 15:21:29 alex
169 * - Loglevel und Meldungen nochmals ueberarbeitet.
170 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
171 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
173 * Revision 1.29 2002/01/05 23:24:54 alex
174 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
175 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
177 * Revision 1.28 2002/01/05 20:08:02 alex
178 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
179 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
181 * Revision 1.27 2002/01/05 19:15:03 alex
182 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
184 * Revision 1.26 2002/01/05 16:51:18 alex
185 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
187 * Revision 1.25 2002/01/05 00:48:33 alex
188 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
190 * Revision 1.24 2002/01/04 17:58:44 alex
191 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
192 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
194 * Revision 1.23 2002/01/04 01:36:40 alex
195 * - Loglevel ein wenig angepasst.
197 * Revision 1.22 2002/01/04 01:21:47 alex
198 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
199 * - Weitere Anpassungen und Erweiterungen der Server-Links.
201 * Revision 1.21 2002/01/03 02:26:51 alex
202 * - neue Befehle SERVER und NJOIN begonnen,
203 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
205 * Revision 1.20 2002/01/02 12:46:41 alex
206 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
208 * Revision 1.19 2002/01/02 02:51:39 alex
209 * - Copyright-Texte angepasst.
210 * - neuer Befehl "ERROR".
212 * Revision 1.17 2001/12/31 15:33:13 alex
213 * - neuer Befehl NAMES, kleinere Bugfixes.
214 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
216 * Revision 1.16 2001/12/31 02:18:51 alex
217 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
218 * - neuen Header "defines.h" mit (fast) allen Konstanten.
219 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
221 * Revision 1.15 2001/12/30 19:26:11 alex
222 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
224 * Revision 1.14 2001/12/30 11:42:00 alex
225 * - der Server meldet nun eine ordentliche "Start-Zeit".
227 * Revision 1.13 2001/12/29 03:10:06 alex
228 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
229 * - neue configure-Optione "--enable-strict-rfc".
231 * Revision 1.12 2001/12/27 19:17:26 alex
232 * - neue Befehle PRIVMSG, NOTICE, PING.
234 * Revision 1.11 2001/12/27 16:55:41 alex
235 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
237 * Revision 1.10 2001/12/26 22:48:53 alex
238 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
240 * Revision 1.9 2001/12/26 14:45:37 alex
243 * Revision 1.8 2001/12/26 03:21:46 alex
244 * - PING/PONG-Befehle implementiert,
245 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
247 * Revision 1.7 2001/12/25 23:25:18 alex
248 * - und nochmal Aenderungen am Logging ;-)
250 * Revision 1.6 2001/12/25 23:13:33 alex
251 * - Debug-Meldungen angepasst.
253 * Revision 1.5 2001/12/25 22:02:42 alex
254 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
256 * Revision 1.4 2001/12/25 19:19:30 alex
257 * - bessere Fehler-Abfragen, diverse Bugfixes.
258 * - Nicks werden nur einmal vergeben :-)
259 * - /MOTD wird unterstuetzt.
261 * Revision 1.3 2001/12/24 01:34:06 alex
262 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
263 * - MOTD-Ausgabe begonnen zu implementieren.
265 * Revision 1.2 2001/12/23 21:57:16 alex
266 * - erste IRC-Befehle zu implementieren begonnen.
268 * Revision 1.1 2001/12/14 08:13:43 alex
269 * - neues Modul begonnen :-)
290 #include "messages.h"
298 #define CONNECTED TRUE
299 #define DISCONNECTED FALSE
302 LOCAL BOOLEAN Hello_User( CLIENT *Client );
303 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
305 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
307 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
308 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
310 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
313 GLOBAL VOID IRC_Init( VOID )
318 GLOBAL VOID IRC_Exit( VOID )
323 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
326 BOOLEAN ok = CONNECTED;
329 assert( Client != NULL );
330 assert( Format != NULL );
332 va_start( ap, Format );
333 vsnprintf( buffer, 1000, Format, ap );
336 /* an den Client selber */
337 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
340 } /* IRC_WriteStrClient */
343 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
345 /* Text an Clients, lokal bzw. remote, senden. */
350 assert( Client != NULL );
351 assert( Format != NULL );
352 assert( Prefix != NULL );
354 va_start( ap, Format );
355 vsnprintf( buffer, 1000, Format, ap );
358 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
359 } /* IRC_WriteStrClientPrefix */
362 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
367 assert( Client != NULL );
368 assert( Format != NULL );
370 va_start( ap, Format );
371 vsnprintf( buffer, 1000, Format, ap );
374 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
375 } /* IRC_WriteStrChannel */
378 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
380 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
387 assert( Client != NULL );
388 assert( Chan != NULL );
389 assert( Prefix != NULL );
390 assert( Format != NULL );
392 va_start( ap, Format );
393 vsnprintf( buffer, 1000, Format, ap );
396 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
398 /* An alle Clients, die in den selben Channels sind.
399 * Dabei aber nur einmal je Remote-Server */
400 cl2chan = Channel_FirstMember( Chan );
403 c = Channel_GetClient( cl2chan );
406 if( Client_Conn( c ) <= NONE ) c = NULL;
407 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
409 if( c ) c = Client_NextHop( c );
411 if( c && ( c != Client ))
413 /* Ok, anderer Client */
414 s = Client_Conn( c );
416 assert( s < MAX_CONNECTIONS );
418 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
419 else is_server[s] = FALSE;
421 cl2chan = Channel_NextMember( Chan, cl2chan );
425 for( i = 0; i < MAX_CONNECTIONS; i++ )
429 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
430 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
435 } /* IRC_WriteStrChannelPrefix */
438 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
443 assert( Format != NULL );
445 va_start( ap, Format );
446 vsnprintf( buffer, 1000, Format, ap );
449 /* an den Client selber */
450 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
451 } /* IRC_WriteStrServers */
454 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
460 assert( Format != NULL );
461 assert( Prefix != NULL );
463 va_start( ap, Format );
464 vsnprintf( buffer, 1000, Format, ap );
470 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
472 /* Ziel-Server gefunden */
473 IRC_WriteStrClientPrefix( c, Prefix, buffer );
475 c = Client_Next( c );
477 } /* IRC_WriteStrServersPrefix */
480 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
482 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
483 CL2CHAN *chan_cl2chan, *cl2chan;
490 assert( Client != NULL );
491 assert( Prefix != NULL );
492 assert( Format != NULL );
494 va_start( ap, Format );
495 vsnprintf( buffer, 1000, Format, ap );
499 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
501 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
502 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
503 chan_cl2chan = Channel_FirstChannelOf( Client );
504 while( chan_cl2chan )
506 /* Channel des Users durchsuchen */
507 chan = Channel_GetChannel( chan_cl2chan );
508 cl2chan = Channel_FirstMember( chan );
511 c = Channel_GetClient( cl2chan );
514 if( Client_Conn( c ) <= NONE ) c = NULL;
515 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
517 if( c ) c = Client_NextHop( c );
519 if( c && ( c != Client ))
521 /* Ok, anderer Client */
522 s = Client_Conn( c );
524 assert( s < MAX_CONNECTIONS );
526 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
527 else is_server[s] = FALSE;
529 cl2chan = Channel_NextMember( chan, cl2chan );
532 /* naechsten Channel */
533 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
537 for( i = 0; i < MAX_CONNECTIONS; i++ )
541 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
542 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
547 } /* IRC_WriteStrRelatedPrefix */
551 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
553 assert( Client != NULL );
554 assert( Req != NULL );
556 /* Fehler liefern, wenn kein lokaler Client */
557 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
559 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
561 /* noch nicht registrierte unbekannte Verbindung */
562 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
564 /* Passwort speichern */
565 Client_SetPassword( Client, Req->argv[0] );
567 Client_SetType( Client, CLIENT_GOTPASS );
570 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
572 /* noch nicht registrierte Server-Verbindung */
573 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
575 /* Passwort speichern */
576 Client_SetPassword( Client, Req->argv[0] );
578 Client_SetType( Client, CLIENT_GOTPASSSERVER );
581 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
583 /* Falsche Anzahl Parameter? */
584 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
586 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
590 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
592 CHAR str[LINE_LEN], *ptr;
593 CLIENT *from, *c, *cl;
599 assert( Client != NULL );
600 assert( Req != NULL );
602 /* Fehler liefern, wenn kein lokaler Client */
603 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
605 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
607 /* Verbindung soll als Server-Server-Verbindung registriert werden */
608 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
610 /* Falsche Anzahl Parameter? */
611 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
613 /* Ist dieser Server bei uns konfiguriert? */
614 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
615 if( i >= Conf_Server_Count )
617 /* Server ist nicht konfiguriert! */
618 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
619 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
622 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
624 /* Falsches Passwort */
625 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
626 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
630 /* Ist ein Server mit dieser ID bereits registriert? */
631 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
633 /* Server-Strukturen fuellen ;-) */
634 Client_SetID( Client, Req->argv[0] );
635 Client_SetHops( Client, 1 );
636 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
638 /* Meldet sich der Server bei uns an? */
641 /* Unseren SERVER- und PASS-Befehl senden */
643 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
644 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
647 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
650 Client_SetIntroducer( Client, Client );
651 Client_SetToken( Client, 1 );
653 else Client_SetToken( Client, atoi( Req->argv[1] ));
655 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
657 Client_SetType( Client, CLIENT_SERVER );
659 /* maximalen Hop Count ermitteln */
664 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
665 c = Client_Next( c );
668 /* Alle bisherigen Server dem neuen Server bekannt machen,
669 * die bisherigen Server ueber den neuen informierenn */
670 for( i = 0; i < ( max_hops + 1 ); i++ )
675 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
677 if( Client_Conn( c ) > NONE )
679 /* Dem gefundenen Server gleich den neuen
680 * Server bekannt machen */
681 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
684 /* Den neuen Server ueber den alten informieren */
685 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;
687 c = Client_Next( c );
691 /* alle User dem neuen Server bekannt machen */
695 if( Client_Type( c ) == CLIENT_USER )
697 /* User an neuen Server melden */
698 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;
700 c = Client_Next( c );
703 /* Channels dem neuen Server bekannt machen */
704 chan = Channel_First( );
707 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
709 /* alle Member suchen */
710 cl2chan = Channel_FirstMember( chan );
713 cl = Channel_GetClient( cl2chan );
714 assert( cl != NULL );
716 /* Nick, ggf. mit Modes, anhaengen */
717 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
718 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
719 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
720 strcat( str, Client_ID( cl ));
722 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
725 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
726 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
729 cl2chan = Channel_NextMember( chan, cl2chan );
733 if( str[strlen( str ) - 1] != ':')
735 /* Ja; Also senden ... */
736 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
739 /* naechsten Channel suchen */
740 chan = Channel_Next( chan );
745 else if( Client_Type( Client ) == CLIENT_SERVER )
747 /* Neuer Server wird im Netz angekuendigt */
749 /* Falsche Anzahl Parameter? */
750 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
752 /* Ist ein Server mit dieser ID bereits registriert? */
753 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
755 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
756 ptr = strchr( Req->argv[3] + 2, '[' );
757 if( ! ptr ) ptr = Req->argv[3];
759 from = Client_GetFromID( Req->prefix );
762 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
763 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
764 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
768 /* Neue Client-Struktur anlegen */
769 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
772 /* Neue Client-Struktur konnte nicht angelegt werden */
773 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
774 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
778 /* Log-Meldung zusammenbauen und ausgeben */
779 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
780 else strcpy( str, "" );
781 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": "" );
783 /* Andere Server informieren */
784 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
788 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
792 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
794 CHAR *channame, *ptr, modes[8];
795 BOOLEAN is_op, is_voiced;
799 assert( Client != NULL );
800 assert( Req != NULL );
802 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
804 /* Falsche Anzahl Parameter? */
805 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
807 channame = Req->argv[0];
808 ptr = strtok( Req->argv[1], "," );
811 is_op = is_voiced = FALSE;
813 /* Prefixe abschneiden */
814 while(( *ptr == '@' ) || ( *ptr == '+' ))
816 if( *ptr == '@' ) is_op = TRUE;
817 if( *ptr == '+' ) is_voiced = TRUE;
821 c = Client_GetFromID( ptr );
824 Channel_Join( c, channame );
825 chan = Channel_Search( channame );
826 assert( chan != NULL );
828 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
829 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
831 /* im Channel bekannt machen */
832 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
834 /* Channel-User-Modes setzen */
835 strcpy( modes, Channel_UserModes( chan, c ));
838 /* Modes im Channel bekannt machen */
839 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
842 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
844 /* naechsten Nick suchen */
845 ptr = strtok( NULL, "," );
848 /* an andere Server weiterleiten */
849 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
855 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
857 CLIENT *intr_c, *target, *c;
860 assert( Client != NULL );
861 assert( Req != NULL );
863 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
865 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 ))
867 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 ))
870 /* User-Registrierung bzw. Nick-Aenderung */
872 /* Falsche Anzahl Parameter? */
873 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
875 /* "Ziel-Client" ermitteln */
876 if( Client_Type( Client ) == CLIENT_SERVER )
878 target = Client_GetFromID( Req->prefix );
879 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
883 /* Ist der Client "restricted"? */
884 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
889 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
890 * wir nichts. So macht es das Original und mind. Snak hat probleme,
891 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
892 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
895 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
896 * will nur die Gross- und Kleinschreibung aendern. Das darf
897 * er natuerlich machen :-) */
898 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
900 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
903 /* Nick-Aenderung: allen mitteilen! */
905 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
906 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
907 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
909 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
912 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
913 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
914 else Client_SetType( Client, CLIENT_GOTNICK );
916 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
918 /* Client-Nick registrieren */
919 Client_SetID( target, Req->argv[0] );
923 else if( Client_Type( Client ) == CLIENT_SERVER )
925 /* Server fuehrt neuen Client ein */
927 /* Falsche Anzahl Parameter? */
928 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
930 /* Nick ueberpruefen */
931 c = Client_GetFromID( Req->argv[0] );
934 /* Der neue Nick ist auf diesem Server bereits registriert:
935 * sowohl der neue, als auch der alte Client muessen nun
936 * disconnectiert werden. */
937 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
938 Kill_Nick( Req->argv[0], "Nick collision" );
942 /* Server, zu dem der Client connectiert ist, suchen */
943 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
946 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
947 Kill_Nick( Req->argv[0], "Unknown server" );
951 /* Neue Client-Struktur anlegen */
952 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 );
955 /* Eine neue Client-Struktur konnte nicht angelegt werden.
956 * Der Client muss disconnectiert werden, damit der Netz-
957 * status konsistent bleibt. */
958 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
959 Kill_Nick( Req->argv[0], "Server error" );
963 modes = Client_Modes( c );
964 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": "" );
965 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": "" );
967 /* Andere Server, ausser dem Introducer, informieren */
968 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] );
972 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
976 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
978 assert( Client != NULL );
979 assert( Req != NULL );
982 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
984 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
987 /* Falsche Anzahl Parameter? */
988 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
990 Client_SetUser( Client, Req->argv[0], FALSE );
991 Client_SetInfo( Client, Req->argv[3] );
993 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
994 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
995 else Client_SetType( Client, CLIENT_GOTUSER );
998 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
1000 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
1002 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1006 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
1010 assert( Client != NULL );
1011 assert( Req != NULL );
1013 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1015 /* User / Service */
1017 /* Falsche Anzahl Parameter? */
1018 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1020 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1021 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1023 return DISCONNECTED;
1025 else if ( Client_Type( Client ) == CLIENT_SERVER )
1029 /* Falsche Anzahl Parameter? */
1030 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1032 target = Client_Search( Req->prefix );
1035 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1039 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1040 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1044 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1048 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1053 assert( Client != NULL );
1054 assert( Req != NULL );
1056 /* SQUIT ist nur fuer Server erlaubt */
1057 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1059 /* Falsche Anzahl Parameter? */
1060 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1062 /* SQUIT an alle Server weiterleiten */
1063 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1065 target = Client_GetFromID( Req->argv[0] );
1068 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1072 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1073 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1075 if( Req->argv[1][0] )
1077 strcpy( msg, "Got SQUIT: " );
1078 strncpy( &msg[11], Req->argv[1], 116 );
1081 else strcpy( msg, "Got SQUIT command." );
1083 if( Client_Conn( target ) > NONE )
1085 /* dieser Server hat die Connection */
1086 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
1087 else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
1089 else Client_Destroy( target, msg, Req->argv[1] );
1091 return DISCONNECTED;
1095 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1097 CLIENT *target, *from;
1099 assert( Client != NULL );
1100 assert( Req != NULL );
1102 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1104 /* Falsche Anzahl Parameter? */
1105 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1106 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1108 if( Req->argc == 2 )
1110 /* es wurde ein Ziel-Client angegeben */
1111 target = Client_GetFromID( Req->argv[1] );
1112 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1113 if( target != Client_ThisServer( ))
1116 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1118 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1119 return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1123 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1124 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1128 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1130 CLIENT *target, *from;
1132 assert( Client != NULL );
1133 assert( Req != NULL );
1135 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1137 /* Falsche Anzahl Parameter? */
1138 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1139 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1142 if( Req->argc == 2 )
1144 target = Client_GetFromID( Req->argv[1] );
1145 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1146 if( target != Client_ThisServer( ))
1149 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1151 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1152 return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1156 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1157 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1159 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 )));
1160 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1166 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1168 assert( Client != NULL );
1169 assert( Req != NULL );
1171 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1173 /* Falsche Anzahl Parameter? */
1174 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1176 return Show_MOTD( Client );
1180 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1185 assert( Client != NULL );
1186 assert( Req != NULL );
1188 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1190 /* Falsche Anzahl Parameter? */
1191 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1192 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1193 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1195 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1197 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1199 to = Client_Search( Req->argv[0] );
1202 /* Okay, Ziel ist ein User */
1203 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1204 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1207 chan = Channel_Search( Req->argv[0] );
1210 /* Okay, Ziel ist ein Channel */
1211 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1212 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1215 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1219 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1223 assert( Client != NULL );
1224 assert( Req != NULL );
1226 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1228 /* Falsche Anzahl Parameter? */
1229 if( Req->argc != 2 ) return CONNECTED;
1231 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1233 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1235 to = Client_Search( Req->argv[0] );
1238 /* Okay, Ziel ist ein User */
1239 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1241 else return CONNECTED;
1245 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1247 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1248 CLIENT *cl, *chan_cl, *prefix;
1252 assert( Client != NULL );
1253 assert( Req != NULL );
1255 cl = chan_cl = prefix = NULL;
1258 /* Valider Client? */
1259 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1261 /* Keine Parameter? */
1262 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1264 /* Ziel suchen: Client bzw. Channel */
1265 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1266 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1268 /* Kein Ziel gefunden? */
1269 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1271 assert(( cl && chan ) != TRUE );
1273 /* Falsche Anzahl Parameter? */
1274 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1275 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1277 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1278 if(( chan ) && (Req->argc == 3 ))
1280 chan_cl = Client_Search( Req->argv[2] );
1281 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1284 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1285 if( Client_Type( Client ) == CLIENT_USER )
1289 /* MODE ist nur fuer sich selber zulaessig! */
1290 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1294 /* Darf der User die Channel-Modes ermitteln? */
1298 /* Werden die Modes "nur" erfragt? */
1299 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1300 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1302 mode_ptr = Req->argv[1];
1304 /* Sollen Modes gesetzt oder geloescht werden? */
1307 if( *mode_ptr == '+' ) set = TRUE;
1308 else if( *mode_ptr == '-' ) set = FALSE;
1309 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1314 if( *mode_ptr == '-' ) set = FALSE;
1316 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1319 /* Prefix fuer Antworten etc. ermitteln */
1320 if( Client_Type( Client ) == CLIENT_SERVER )
1322 prefix = Client_GetFromID( Req->prefix );
1323 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1325 else prefix = Client;
1327 /* Reply-String mit Aenderungen vorbereiten */
1328 if( set ) strcpy( the_modes, "+" );
1329 else strcpy( the_modes, "-" );
1336 if( Client_Type( Client ) == CLIENT_SERVER )
1338 /* Befehl kommt von einem Server, daher
1339 * trauen wir ihm "unbesehen" ... */
1344 /* Modes validieren */
1355 /* restricted (kann nur gesetzt werden) */
1356 if( set ) x[0] = 'r';
1357 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1360 /* operator (kann nur geloescht werden) */
1363 Client_SetOperByMe( Client, FALSE );
1366 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1369 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1370 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1376 /* Ist der User ein Channel Operator? */
1377 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1379 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1380 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1384 /* Channel-Modes oder Channel-User-Modes */
1387 /* Channel-User-Modes */
1391 /* Channel Operator */
1399 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 ));
1400 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1418 /* kein Schreiben in den Channel von aussen */
1438 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1439 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1448 if( ! x[0] ) continue;
1450 /* Okay, gueltigen Mode gefunden */
1453 /* Es geht um User-Modes */
1456 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1457 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1461 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1462 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1467 /* Es geht um Channel-Modes oder Channel-User-Modes */
1470 /* Channel-User-Modes */
1473 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1474 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1478 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1479 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1487 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1488 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1492 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1493 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1499 /* Wurden Modes geaendert? */
1505 if( Client_Type( Client ) == CLIENT_SERVER )
1507 /* Modes an andere Server forwarden */
1508 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1512 /* Bestaetigung an Client schicken & andere Server informieren */
1513 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1514 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1516 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1520 /* Channel-Modes oder Channel-User-Mode */
1523 /* Channel-User-Mode */
1524 if( Client_Type( Client ) == CLIENT_SERVER )
1526 /* Modes an andere Server und Channel-User forwarden */
1527 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1528 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1532 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1533 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1534 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1535 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1537 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1542 if( Client_Type( Client ) == CLIENT_SERVER )
1544 /* Modes an andere Server und Channel-User forwarden */
1545 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1546 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1550 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1551 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1552 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1553 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1555 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1564 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1568 assert( Client != NULL );
1569 assert( Req != NULL );
1571 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1573 /* Falsche Anzahl Parameter? */
1574 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1576 /* Operator suchen */
1577 for( i = 0; i < Conf_Oper_Count; i++)
1579 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1581 if( i >= Conf_Oper_Count )
1583 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1584 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1587 /* Stimmt das Passwort? */
1588 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1590 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1591 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1594 if( ! Client_HasMode( Client, 'o' ))
1596 /* noch kein o-Mode gesetzt */
1597 Client_ModeAdd( Client, 'o' );
1598 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1599 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1602 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1604 Client_SetOperByMe( Client, TRUE );
1605 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1609 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1611 assert( Client != NULL );
1612 assert( Req != NULL );
1614 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1616 /* Falsche Anzahl Parameter? */
1617 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1619 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1621 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1627 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1629 assert( Client != NULL );
1630 assert( Req != NULL );
1632 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1634 /* Falsche Anzahl Parameter? */
1635 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1637 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1639 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1640 NGIRCd_Restart = TRUE;
1645 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1647 CHAR rpl[COMMAND_LEN], *ptr;
1648 CLIENT *target, *from, *c;
1651 assert( Client != NULL );
1652 assert( Req != NULL );
1654 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1656 /* Falsche Anzahl Parameter? */
1657 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1659 /* From aus Prefix ermitteln */
1660 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1662 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1664 if( Req->argc == 2 )
1666 /* an anderen Server forwarden */
1667 target = Client_GetFromID( Req->argv[1] );
1668 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1670 if( target != Client_ThisServer( ))
1672 /* Ok, anderer Server ist das Ziel: forwarden */
1673 return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
1679 /* bestimmte Channels durchgehen */
1680 ptr = strtok( Req->argv[0], "," );
1683 chan = Channel_Search( ptr );
1686 /* Namen ausgeben */
1687 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1689 if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
1691 /* naechsten Namen ermitteln */
1692 ptr = strtok( NULL, "," );
1697 /* alle Channels durchgehen */
1698 chan = Channel_First( );
1701 /* Namen ausgeben */
1702 if( ! Send_NAMES( from, chan )) return DISCONNECTED;
1704 /* naechster Channel */
1705 chan = Channel_Next( chan );
1708 c = Client_First( );
1709 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1712 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ))
1714 /* Okay, das ist ein User: anhaengen */
1715 if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
1716 strcat( rpl, Client_ID( c ));
1718 if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1720 /* Zeile wird zu lang: senden! */
1721 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1722 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
1726 /* naechster Client */
1727 c = Client_Next( c );
1729 if( rpl[strlen( rpl ) - 1] != ':')
1731 /* es wurden User gefunden */
1732 if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
1735 return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
1739 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1741 CHAR rpl[COMMAND_LEN];
1746 assert( Client != NULL );
1747 assert( Req != NULL );
1749 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1751 /* Falsche Anzahl Parameter? */
1752 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1754 strcpy( rpl, RPL_ISON_MSG );
1755 for( i = 0; i < Req->argc; i++ )
1757 ptr = strtok( Req->argv[i], " " );
1761 c = Client_GetFromID( ptr );
1762 if( c && ( Client_Type( c ) == CLIENT_USER ))
1764 /* Dieser Nick ist "online" */
1768 ptr = strtok( NULL, " " );
1771 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1773 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1777 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1779 CLIENT *from, *target, *c;
1780 CHAR str[LINE_LEN + 1], *ptr = NULL;
1784 assert( Client != NULL );
1785 assert( Req != NULL );
1787 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1789 /* Falsche Anzahl Parameter? */
1790 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1793 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1794 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1796 /* Empfaenger des WHOIS suchen */
1797 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1799 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1801 /* Forwarden an anderen Server? */
1804 /* angegebenen Ziel-Server suchen */
1805 target = Client_GetFromID( Req->argv[1] );
1806 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1809 else target = Client_ThisServer( );
1811 assert( target != NULL );
1813 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 );
1815 /* Nick, User und Name */
1816 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1819 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;
1822 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1823 cl2chan = Channel_FirstChannelOf( c );
1826 chan = Channel_GetChannel( cl2chan );
1827 assert( chan != NULL );
1829 /* Channel-Name anhaengen */
1830 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1831 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1832 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1833 strcat( str, Channel_Name( chan ));
1835 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1837 /* Zeile wird zu lang: senden! */
1838 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1839 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1842 /* naechstes Mitglied suchen */
1843 cl2chan = Channel_NextChannelOf( c, cl2chan );
1845 if( str[strlen( str ) - 1] != ':')
1847 /* Es sind noch Daten da, die gesendet werden muessen */
1848 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1852 if( Client_HasMode( c, 'o' ))
1854 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1857 /* Idle (nur lokale Clients) */
1858 if( Client_Conn( c ) > NONE )
1860 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1864 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1868 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1870 CHAR rpl[COMMAND_LEN];
1874 assert( Client != NULL );
1875 assert( Req != NULL );
1877 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1879 /* Falsche Anzahl Parameter? */
1880 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1882 if( Req->argc > 5 ) max = 5;
1883 else max = Req->argc;
1885 strcpy( rpl, RPL_USERHOST_MSG );
1886 for( i = 0; i < max; i++ )
1888 c = Client_GetFromID( Req->argv[i] );
1889 if( c && ( Client_Type( c ) == CLIENT_USER ))
1891 /* Dieser Nick ist "online" */
1892 strcat( rpl, Client_ID( c ));
1893 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1895 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1896 else strcat( rpl, "+" );
1897 strcat( rpl, Client_User( c ));
1899 strcat( rpl, Client_Hostname( c ));
1903 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1905 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1906 } /* IRC_USERHOST */
1909 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1911 assert( Client != NULL );
1912 assert( Req != NULL );
1914 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1915 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1921 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1923 CLIENT *target, *from;
1925 assert( Client != NULL );
1926 assert( Req != NULL );
1928 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1930 /* Falsche Anzahl Parameter? */
1931 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1933 /* Absender ermitteln */
1934 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1936 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1938 /* An anderen Server forwarden? */
1939 if( Req->argc == 2 )
1941 target = Client_GetFromID( Req->argv[1] );
1942 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1943 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1946 /* Wer ist der Absender? */
1947 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1948 else target = Client;
1949 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1951 Send_LUSERS( target );
1957 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1959 CLIENT *target, *from, *c;
1962 assert( Client != NULL );
1963 assert( Req != NULL );
1965 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1967 /* Falsche Anzahl Parameter? */
1968 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1970 /* Server-Mask ermitteln */
1971 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1974 /* Absender ermitteln */
1975 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1977 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1979 /* An anderen Server forwarden? */
1980 if( Req->argc == 2 )
1982 target = Client_GetFromID( Req->argv[0] );
1983 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1984 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1987 /* Wer ist der Absender? */
1988 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1989 else target = Client;
1990 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1992 c = Client_First( );
1995 if( Client_Type( c ) == CLIENT_SERVER )
1997 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;
1999 c = Client_Next( c );
2002 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
2006 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
2008 CHAR *channame, *flags, modes[8];
2009 BOOLEAN is_new_chan;
2013 assert( Client != NULL );
2014 assert( Req != NULL );
2016 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2018 /* Falsche Anzahl Parameter? */
2019 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2021 /* Wer ist der Absender? */
2022 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2023 else target = Client;
2024 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2026 /* Channel-Namen durchgehen */
2027 channame = strtok( Req->argv[0], "," );
2030 /* wird der Channel neu angelegt? */
2033 if( Channel_Search( channame )) is_new_chan = FALSE;
2034 else is_new_chan = TRUE;
2036 /* Hat ein Server Channel-User-Modes uebergeben? */
2037 if( Client_Type( Client ) == CLIENT_SERVER )
2039 /* Channel-Flags extrahieren */
2040 flags = strchr( channame, 0x7 );
2041 if( flags ) *flags++ = '\0';
2044 /* neuer Channel udn lokaler Client? */
2045 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
2047 /* Dann soll der Client Channel-Operator werden! */
2051 /* Channel joinen (und ggf. anlegen) */
2052 if( ! Channel_Join( target, channame ))
2054 /* naechsten Namen ermitteln */
2055 channame = strtok( NULL, "," );
2058 chan = Channel_Search( channame );
2059 assert( chan != NULL );
2061 /* Modes setzen (wenn vorhanden) */
2062 while( flags && *flags )
2064 Channel_UserModeAdd( chan, target, *flags );
2068 /* Muessen Modes an andere Server gemeldet werden? */
2069 strcpy( &modes[1], Channel_UserModes( chan, target ));
2070 if( modes[1] ) modes[0] = 0x7;
2071 else modes[0] = '\0';
2073 /* An andere Server weiterleiten */
2074 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2076 /* im Channel bekannt machen */
2077 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2080 /* Modes im Channel bekannt machen */
2081 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2084 if( Client_Type( Client ) == CLIENT_USER )
2086 /* an Client bestaetigen */
2087 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2089 /* Topic an Client schicken */
2090 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2092 /* Mitglieder an Client Melden */
2093 Send_NAMES( Client, chan );
2094 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
2097 /* naechsten Namen ermitteln */
2098 channame = strtok( NULL, "," );
2104 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2109 assert( Client != NULL );
2110 assert( Req != NULL );
2112 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2114 /* Falsche Anzahl Parameter? */
2115 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2117 /* Wer ist der Absender? */
2118 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2119 else target = Client;
2120 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2122 /* Channel-Namen durchgehen */
2123 chan = strtok( Req->argv[0], "," );
2126 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2128 /* naechsten Namen ermitteln */
2129 chan = strtok( NULL, "," );
2133 /* naechsten Namen ermitteln */
2134 chan = strtok( NULL, "," );
2140 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2142 CLIENT *target, *prefix;
2144 assert( Client != NULL );
2145 assert( Req != NULL );
2147 /* Falsche Anzahl Parameter? */
2148 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2151 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2152 else target = Client_ThisServer( );
2154 /* Prefix ermitteln */
2155 if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
2156 else prefix = Client;
2157 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
2159 /* An anderen Server weiterleiten? */
2160 if( target != Client_ThisServer( ))
2162 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2165 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
2169 /* mit Versionsinfo antworten */
2170 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2174 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2178 assert( Client != NULL );
2179 assert( Req != NULL );
2181 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2183 /* Falsche Anzahl Parameter? */
2184 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2186 prefix = Client_GetFromID( Req->prefix );
2189 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2190 prefix = Client_ThisServer( );
2193 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2195 /* andere Server benachrichtigen */
2196 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2198 /* haben wir selber einen solchen Client? */
2199 c = Client_GetFromID( Req->argv[0] );
2200 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2206 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2208 assert( Client != NULL );
2210 /* Passwort ueberpruefen */
2211 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2213 /* Falsches Passwort */
2214 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2215 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2216 return DISCONNECTED;
2219 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2221 /* Andere Server informieren */
2222 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 ));
2224 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2225 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2226 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2227 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2229 Client_SetType( Client, CLIENT_USER );
2231 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2232 if( ! Show_MOTD( Client )) return DISCONNECTED;
2238 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2244 assert( Client != NULL );
2246 fd = fopen( Conf_MotdFile, "r" );
2249 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2250 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2253 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2256 if( ! fgets( line, 126, fd )) break;
2257 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2258 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2264 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2272 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2276 assert( Nick != NULL );
2277 assert( Reason != NULL );
2279 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2281 /* andere Server benachrichtigen */
2282 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2284 /* Ggf. einen eigenen Client toeten */
2285 c = Client_GetFromID( Nick );
2286 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2290 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2292 CHAR str[LINE_LEN + 1];
2296 assert( Client != NULL );
2297 assert( Chan != NULL );
2299 /* Alle Mitglieder suchen */
2300 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2301 cl2chan = Channel_FirstMember( Chan );
2304 cl = Channel_GetClient( cl2chan );
2306 /* Nick anhaengen */
2307 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2308 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2309 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2310 strcat( str, Client_ID( cl ));
2312 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2314 /* Zeile wird zu lang: senden! */
2315 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2316 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2319 /* naechstes Mitglied suchen */
2320 cl2chan = Channel_NextMember( Chan, cl2chan );
2322 if( str[strlen( str ) - 1] != ':')
2324 /* Es sind noch Daten da, die gesendet werden muessen */
2325 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2332 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2336 assert( Client != NULL );
2338 /* Users, Services und Serevr im Netz */
2339 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2341 /* IRC-Operatoren im Netz */
2342 cnt = Client_OperCount( );
2345 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2348 /* Unbekannt Verbindungen */
2349 cnt = Client_UnknownCount( );
2352 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2355 /* Channels im Netz */
2356 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2358 /* Channels im Netz */
2359 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2365 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2367 assert( Target != NULL );
2368 assert( Client != NULL );
2370 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2371 else return Client_Mask( Client );