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 1.67 2002/02/25 13:21:25 alex Exp $
17 * Revision 1.67 2002/02/25 13:21:25 alex
18 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
19 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
21 * Revision 1.66 2002/02/23 21:39:48 alex
22 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
24 * Revision 1.65 2002/02/23 00:03:54 alex
25 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
27 * Revision 1.64 2002/02/19 20:06:45 alex
28 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
29 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
31 * Revision 1.63 2002/02/19 02:21:17 alex
32 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
33 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
35 * Revision 1.62 2002/02/17 23:38:58 alex
36 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
38 * Revision 1.61 2002/02/17 19:03:12 alex
39 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
41 * Revision 1.60 2002/02/17 17:43:14 alex
42 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
44 * Revision 1.59 2002/02/17 17:30:21 alex
45 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
46 * - Neue Funktion IRC_WriteStrRelatedPrefix().
48 * Revision 1.58 2002/02/17 17:18:59 alex
51 * Revision 1.57 2002/02/13 23:05:29 alex
52 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
54 * Revision 1.56 2002/02/13 17:52:27 alex
55 * - es werden nun Channel- und User-Modes von Usern angenommen.
57 * Revision 1.55 2002/02/12 14:40:37 alex
58 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
60 * Revision 1.54 2002/02/11 23:33:35 alex
61 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
63 * Revision 1.53 2002/02/11 16:06:21 alex
64 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
66 * Revision 1.52 2002/02/11 15:52:21 alex
67 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
68 * - Channel-Modes wurden falsch geliefert (als User-Modes).
70 * Revision 1.51 2002/02/11 15:15:53 alex
71 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
72 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
74 * Revision 1.50 2002/02/11 01:03:20 alex
75 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
76 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
77 * angelegt wird, werden Channel-Operator, etc. pp. ...
78 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
80 * Revision 1.49 2002/02/06 16:51:22 alex
81 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
83 * Revision 1.48 2002/01/29 00:13:45 alex
84 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
85 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
86 * LINKS wieder korrekt.
88 * Revision 1.47 2002/01/28 13:05:48 alex
89 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
90 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
92 * Revision 1.46 2002/01/28 01:45:43 alex
93 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
95 * Revision 1.45 2002/01/28 01:18:14 alex
96 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
98 * Revision 1.44 2002/01/28 00:55:08 alex
99 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
101 * Revision 1.43 2002/01/27 21:56:39 alex
102 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
103 * - einige kleinere Fixes bezueglich Channels ...
105 * Revision 1.42 2002/01/27 18:28:01 alex
106 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
108 * Revision 1.41 2002/01/27 17:15:49 alex
109 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
110 * IRC_WriteStrChannelPrefix(),
111 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
113 * Revision 1.40 2002/01/26 18:43:11 alex
114 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
115 * die IRC_Write_xxx_Related() sind dafuer entfallen.
116 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
118 * Revision 1.39 2002/01/21 00:05:11 alex
119 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
120 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
121 * - diverse Aenderungen im Zusammenhang mit Channels.
123 * Revision 1.38 2002/01/18 15:31:32 alex
124 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
126 * Revision 1.37 2002/01/16 22:10:18 alex
127 * - IRC_LUSERS() implementiert.
129 * Revision 1.36 2002/01/11 23:50:55 alex
130 * - LINKS implementiert, LUSERS begonnen.
132 * Revision 1.35 2002/01/09 21:30:45 alex
133 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
135 * Revision 1.34 2002/01/09 01:09:58 alex
136 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
137 * - andere Server werden nun ueber bisherige Server und User informiert.
139 * Revision 1.33 2002/01/07 23:42:12 alex
140 * - Es werden fuer alle Server eigene Token generiert,
141 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
142 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
144 * Revision 1.32 2002/01/07 16:02:36 alex
145 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
146 * - Im Debug-Mode werden nun auch PING's protokolliert.
148 * Revision 1.31 2002/01/07 15:39:46 alex
149 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
150 * - MODE und NICK melden nun die Aenderungen an andere Server.
152 * Revision 1.30 2002/01/06 15:21:29 alex
153 * - Loglevel und Meldungen nochmals ueberarbeitet.
154 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
155 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
157 * Revision 1.29 2002/01/05 23:24:54 alex
158 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
159 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
161 * Revision 1.28 2002/01/05 20:08:02 alex
162 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
163 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
165 * Revision 1.27 2002/01/05 19:15:03 alex
166 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
168 * Revision 1.26 2002/01/05 16:51:18 alex
169 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
171 * Revision 1.25 2002/01/05 00:48:33 alex
172 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
174 * Revision 1.24 2002/01/04 17:58:44 alex
175 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
176 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
178 * Revision 1.23 2002/01/04 01:36:40 alex
179 * - Loglevel ein wenig angepasst.
181 * Revision 1.22 2002/01/04 01:21:47 alex
182 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
183 * - Weitere Anpassungen und Erweiterungen der Server-Links.
185 * Revision 1.21 2002/01/03 02:26:51 alex
186 * - neue Befehle SERVER und NJOIN begonnen,
187 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
189 * Revision 1.20 2002/01/02 12:46:41 alex
190 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
192 * Revision 1.19 2002/01/02 02:51:39 alex
193 * - Copyright-Texte angepasst.
194 * - neuer Befehl "ERROR".
196 * Revision 1.17 2001/12/31 15:33:13 alex
197 * - neuer Befehl NAMES, kleinere Bugfixes.
198 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
200 * Revision 1.16 2001/12/31 02:18:51 alex
201 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
202 * - neuen Header "defines.h" mit (fast) allen Konstanten.
203 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
205 * Revision 1.15 2001/12/30 19:26:11 alex
206 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
208 * Revision 1.14 2001/12/30 11:42:00 alex
209 * - der Server meldet nun eine ordentliche "Start-Zeit".
211 * Revision 1.13 2001/12/29 03:10:06 alex
212 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
213 * - neue configure-Optione "--enable-strict-rfc".
215 * Revision 1.12 2001/12/27 19:17:26 alex
216 * - neue Befehle PRIVMSG, NOTICE, PING.
218 * Revision 1.11 2001/12/27 16:55:41 alex
219 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
221 * Revision 1.10 2001/12/26 22:48:53 alex
222 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
224 * Revision 1.9 2001/12/26 14:45:37 alex
227 * Revision 1.8 2001/12/26 03:21:46 alex
228 * - PING/PONG-Befehle implementiert,
229 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
231 * Revision 1.7 2001/12/25 23:25:18 alex
232 * - und nochmal Aenderungen am Logging ;-)
234 * Revision 1.6 2001/12/25 23:13:33 alex
235 * - Debug-Meldungen angepasst.
237 * Revision 1.5 2001/12/25 22:02:42 alex
238 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
240 * Revision 1.4 2001/12/25 19:19:30 alex
241 * - bessere Fehler-Abfragen, diverse Bugfixes.
242 * - Nicks werden nur einmal vergeben :-)
243 * - /MOTD wird unterstuetzt.
245 * Revision 1.3 2001/12/24 01:34:06 alex
246 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
247 * - MOTD-Ausgabe begonnen zu implementieren.
249 * Revision 1.2 2001/12/23 21:57:16 alex
250 * - erste IRC-Befehle zu implementieren begonnen.
252 * Revision 1.1 2001/12/14 08:13:43 alex
253 * - neues Modul begonnen :-)
274 #include "messages.h"
282 #define CONNECTED TRUE
283 #define DISCONNECTED FALSE
286 LOCAL BOOLEAN Hello_User( CLIENT *Client );
287 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
289 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
291 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
292 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
295 GLOBAL VOID IRC_Init( VOID )
300 GLOBAL VOID IRC_Exit( VOID )
305 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
308 BOOLEAN ok = CONNECTED;
311 assert( Client != NULL );
312 assert( Format != NULL );
314 va_start( ap, Format );
315 vsnprintf( buffer, 1000, Format, ap );
318 /* an den Client selber */
319 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
322 } /* IRC_WriteStrClient */
325 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
327 /* Text an Clients, lokal bzw. remote, senden. */
332 assert( Client != NULL );
333 assert( Format != NULL );
334 assert( Prefix != NULL );
336 va_start( ap, Format );
337 vsnprintf( buffer, 1000, Format, ap );
340 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
341 } /* IRC_WriteStrClientPrefix */
344 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
349 assert( Client != NULL );
350 assert( Format != NULL );
352 va_start( ap, Format );
353 vsnprintf( buffer, 1000, Format, ap );
356 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
357 } /* IRC_WriteStrChannel */
360 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
363 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
369 assert( Client != NULL );
370 assert( Chan != NULL );
371 assert( Prefix != NULL );
372 assert( Format != NULL );
374 va_start( ap, Format );
375 vsnprintf( buffer, 1000, Format, ap );
378 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
380 /* An alle Clients, die in den selben Channels sind.
381 * Dabei aber nur einmal je Remote-Server */
382 cl2chan = Channel_FirstMember( Chan );
385 c = Channel_GetClient( cl2chan );
388 if( Client_Conn( c ) <= NONE ) c = NULL;
389 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
391 if( c ) c = Client_NextHop( c );
393 if( c && ( c != Client ))
395 /* Ok, anderer Client */
396 s = Client_Conn( c );
398 assert( s < MAX_CONNECTIONS );
401 cl2chan = Channel_NextMember( Chan, cl2chan );
405 for( i = 0; i < MAX_CONNECTIONS; i++ )
409 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
414 } /* IRC_WriteStrChannelPrefix */
417 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
422 assert( Format != NULL );
424 va_start( ap, Format );
425 vsnprintf( buffer, 1000, Format, ap );
428 /* an den Client selber */
429 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
430 } /* IRC_WriteStrServers */
433 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
439 assert( Format != NULL );
440 assert( Prefix != NULL );
442 va_start( ap, Format );
443 vsnprintf( buffer, 1000, Format, ap );
449 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
451 /* Ziel-Server gefunden */
452 IRC_WriteStrClientPrefix( c, Prefix, buffer );
454 c = Client_Next( c );
456 } /* IRC_WriteStrServersPrefix */
459 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
461 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED;
462 CL2CHAN *chan_cl2chan, *cl2chan;
469 assert( Client != NULL );
470 assert( Prefix != NULL );
471 assert( Format != NULL );
473 va_start( ap, Format );
474 vsnprintf( buffer, 1000, Format, ap );
478 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
480 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
481 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
482 chan_cl2chan = Channel_FirstChannelOf( Client );
483 while( chan_cl2chan )
485 /* Channel des Users durchsuchen */
486 chan = Channel_GetChannel( chan_cl2chan );
487 cl2chan = Channel_FirstMember( chan );
490 c = Channel_GetClient( cl2chan );
493 if( Client_Conn( c ) <= NONE ) c = NULL;
494 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
496 if( c ) c = Client_NextHop( c );
498 if( c && ( c != Client ))
500 /* Ok, anderer Client */
501 s = Client_Conn( c );
503 assert( s < MAX_CONNECTIONS );
506 cl2chan = Channel_NextMember( chan, cl2chan );
509 /* naechsten Channel */
510 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
514 for( i = 0; i < MAX_CONNECTIONS; i++ )
518 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
523 } /* IRC_WriteStrRelatedPrefix */
527 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
529 assert( Client != NULL );
530 assert( Req != NULL );
532 /* Fehler liefern, wenn kein lokaler Client */
533 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
535 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
537 /* noch nicht registrierte unbekannte Verbindung */
538 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
540 /* Passwort speichern */
541 Client_SetPassword( Client, Req->argv[0] );
543 Client_SetType( Client, CLIENT_GOTPASS );
546 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
548 /* noch nicht registrierte Server-Verbindung */
549 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
551 /* Passwort speichern */
552 Client_SetPassword( Client, Req->argv[0] );
554 Client_SetType( Client, CLIENT_GOTPASSSERVER );
557 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
559 /* Falsche Anzahl Parameter? */
560 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
562 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
566 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
568 CHAR str[LINE_LEN], *ptr;
569 CLIENT *from, *c, *cl;
575 assert( Client != NULL );
576 assert( Req != NULL );
578 /* Fehler liefern, wenn kein lokaler Client */
579 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
581 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
583 /* Verbindung soll als Server-Server-Verbindung registriert werden */
584 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
586 /* Falsche Anzahl Parameter? */
587 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
589 /* Ist dieser Server bei uns konfiguriert? */
590 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
591 if( i >= Conf_Server_Count )
593 /* Server ist nicht konfiguriert! */
594 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
595 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
598 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
600 /* Falsches Passwort */
601 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
602 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
606 /* Ist ein Server mit dieser ID bereits registriert? */
607 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
609 /* Server-Strukturen fuellen ;-) */
610 Client_SetID( Client, Req->argv[0] );
611 Client_SetHops( Client, 1 );
612 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
614 /* Meldet sich der Server bei uns an? */
617 /* Unseren SERVER- und PASS-Befehl senden */
619 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
620 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
623 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
626 Client_SetIntroducer( Client, Client );
627 Client_SetToken( Client, 1 );
629 else Client_SetToken( Client, atoi( Req->argv[1] ));
631 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
633 Client_SetType( Client, CLIENT_SERVER );
635 /* maximalen Hop Count ermitteln */
640 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
641 c = Client_Next( c );
644 /* Alle bisherigen Server dem neuen Server bekannt machen,
645 * die bisherigen Server ueber den neuen informierenn */
646 for( i = 0; i < ( max_hops + 1 ); i++ )
651 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
653 if( Client_Conn( c ) > NONE )
655 /* Dem gefundenen Server gleich den neuen
656 * Server bekannt machen */
657 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
660 /* Den neuen Server ueber den alten informieren */
661 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;
663 c = Client_Next( c );
667 /* alle User dem neuen Server bekannt machen */
671 if( Client_Type( c ) == CLIENT_USER )
673 /* User an neuen Server melden */
674 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;
676 c = Client_Next( c );
679 /* Channels dem neuen Server bekannt machen */
680 chan = Channel_First( );
683 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
685 /* alle Member suchen */
686 cl2chan = Channel_FirstMember( chan );
689 cl = Channel_GetClient( cl2chan );
690 assert( cl != NULL );
692 /* Nick, ggf. mit Modes, anhaengen */
693 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
694 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
695 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
696 strcat( str, Client_ID( cl ));
698 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
701 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
702 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
705 cl2chan = Channel_NextMember( chan, cl2chan );
709 if( str[strlen( str ) - 1] != ':')
711 /* Ja; Also senden ... */
712 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
715 /* naechsten Channel suchen */
716 chan = Channel_Next( chan );
721 else if( Client_Type( Client ) == CLIENT_SERVER )
723 /* Neuer Server wird im Netz angekuendigt */
725 /* Falsche Anzahl Parameter? */
726 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
728 /* Ist ein Server mit dieser ID bereits registriert? */
729 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
731 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
732 ptr = strchr( Req->argv[3] + 2, '[' );
733 if( ! ptr ) ptr = Req->argv[3];
735 from = Client_GetFromID( Req->prefix );
738 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
739 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
740 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
744 /* Neue Client-Struktur anlegen */
745 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
748 /* Neue Client-Struktur konnte nicht angelegt werden */
749 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
750 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
754 /* Log-Meldung zusammenbauen und ausgeben */
755 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
756 else strcpy( str, "" );
757 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": "" );
759 /* Andere Server informieren */
760 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
764 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
768 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
770 CHAR *channame, *ptr, modes[8];
771 BOOLEAN is_op, is_voiced;
775 assert( Client != NULL );
776 assert( Req != NULL );
778 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
780 /* Falsche Anzahl Parameter? */
781 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
783 channame = Req->argv[0];
784 ptr = strtok( Req->argv[1], "," );
787 is_op = is_voiced = FALSE;
789 /* Prefixe abschneiden */
790 while(( *ptr == '@' ) || ( *ptr == '+' ))
792 if( *ptr == '@' ) is_op = TRUE;
793 if( *ptr == '+' ) is_voiced = TRUE;
797 c = Client_GetFromID( ptr );
800 Channel_Join( c, channame );
801 chan = Channel_Search( channame );
802 assert( chan != NULL );
804 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
805 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
807 /* im Channel bekannt machen */
808 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
810 /* Channel-User-Modes setzen */
811 strcpy( modes, Channel_UserModes( chan, c ));
814 /* Modes im Channel bekannt machen */
815 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
818 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
820 /* naechsten Nick suchen */
821 ptr = strtok( NULL, "," );
824 /* an andere Server weiterleiten */
825 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
831 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
833 CLIENT *intr_c, *target, *c;
836 assert( Client != NULL );
837 assert( Req != NULL );
839 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
841 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 ))
843 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 ))
846 /* User-Registrierung bzw. Nick-Aenderung */
848 /* Falsche Anzahl Parameter? */
849 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
851 /* "Ziel-Client" ermitteln */
852 if( Client_Type( Client ) == CLIENT_SERVER )
854 target = Client_GetFromID( Req->prefix );
855 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
859 /* Ist der Client "restricted"? */
860 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
865 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
866 * wir nichts. So macht es das Original und mind. Snak hat probleme,
867 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
868 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
871 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
872 * will nur die Gross- und Kleinschreibung aendern. Das darf
873 * er natuerlich machen :-) */
874 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
876 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
879 /* Nick-Aenderung: allen mitteilen! */
881 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
882 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
883 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
885 /* Client-Nick registrieren */
886 Client_SetID( target, Req->argv[0] );
888 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
891 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
892 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
893 else Client_SetType( Client, CLIENT_GOTNICK );
895 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
899 else if( Client_Type( Client ) == CLIENT_SERVER )
901 /* Server fuehrt neuen Client ein */
903 /* Falsche Anzahl Parameter? */
904 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
906 /* Nick ueberpruefen */
907 c = Client_GetFromID( Req->argv[0] );
910 /* Der neue Nick ist auf diesem Server bereits registriert:
911 * sowohl der neue, als auch der alte Client muessen nun
912 * disconnectiert werden. */
913 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
914 Kill_Nick( Req->argv[0], "Nick collision" );
918 /* Server, zu dem der Client connectiert ist, suchen */
919 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
922 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
923 Kill_Nick( Req->argv[0], "Unknown server" );
927 /* Neue Client-Struktur anlegen */
928 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 );
931 /* Eine neue Client-Struktur konnte nicht angelegt werden.
932 * Der Client muss disconnectiert werden, damit der Netz-
933 * status konsistent bleibt. */
934 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
935 Kill_Nick( Req->argv[0], "Server error" );
939 modes = Client_Modes( c );
940 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": "" );
941 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": "" );
943 /* Andere Server, ausser dem Introducer, informieren */
944 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] );
948 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
952 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
954 assert( Client != NULL );
955 assert( Req != NULL );
958 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
960 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
963 /* Falsche Anzahl Parameter? */
964 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
966 Client_SetUser( Client, Req->argv[0], FALSE );
967 Client_SetInfo( Client, Req->argv[3] );
969 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
970 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
971 else Client_SetType( Client, CLIENT_GOTUSER );
974 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
976 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
978 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
982 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
986 assert( Client != NULL );
987 assert( Req != NULL );
989 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
993 /* Falsche Anzahl Parameter? */
994 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
996 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
997 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1001 else if ( Client_Type( Client ) == CLIENT_SERVER )
1005 /* Falsche Anzahl Parameter? */
1006 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1008 target = Client_Search( Req->prefix );
1011 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1015 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1016 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1020 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1024 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1028 assert( Client != NULL );
1029 assert( Req != NULL );
1031 /* SQUIT ist nur fuer Server erlaubt */
1032 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1034 /* Falsche Anzahl Parameter? */
1035 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1037 target = Client_GetFromID( Req->argv[0] );
1040 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1044 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1045 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1047 /* SQUIT an alle Server weiterleiten */
1048 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1050 if( Client_Conn( target ) > NONE )
1052 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1053 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1054 return DISCONNECTED;
1058 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1064 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1066 CLIENT *target, *from;
1068 assert( Client != NULL );
1069 assert( Req != NULL );
1071 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1073 /* Falsche Anzahl Parameter? */
1074 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1075 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1077 if( Req->argc == 2 )
1079 /* es wurde ein Ziel-Client angegeben */
1080 target = Client_GetFromID( Req->argv[1] );
1081 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1082 if( target != Client_ThisServer( ))
1085 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1087 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1088 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1092 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1093 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1097 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1099 CLIENT *target, *from;
1101 assert( Client != NULL );
1102 assert( Req != NULL );
1104 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1106 /* Falsche Anzahl Parameter? */
1107 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1108 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1111 if( Req->argc == 2 )
1113 target = Client_GetFromID( Req->argv[1] );
1114 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1115 if( target != Client_ThisServer( ))
1118 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1120 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1121 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1125 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1126 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1128 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 )));
1129 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1135 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1137 assert( Client != NULL );
1138 assert( Req != NULL );
1140 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1142 /* Falsche Anzahl Parameter? */
1143 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1145 return Show_MOTD( Client );
1149 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1154 assert( Client != NULL );
1155 assert( Req != NULL );
1157 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1159 /* Falsche Anzahl Parameter? */
1160 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1161 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1162 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1164 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1166 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1168 to = Client_Search( Req->argv[0] );
1171 /* Okay, Ziel ist ein User */
1172 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1173 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1176 chan = Channel_Search( Req->argv[0] );
1179 /* Okay, Ziel ist ein Channel */
1180 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1181 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1184 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1188 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1192 assert( Client != NULL );
1193 assert( Req != NULL );
1195 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1197 /* Falsche Anzahl Parameter? */
1198 if( Req->argc != 2 ) return CONNECTED;
1200 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1202 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1204 to = Client_Search( Req->argv[0] );
1207 /* Okay, Ziel ist ein User */
1208 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1210 else return CONNECTED;
1214 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1216 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1217 CLIENT *cl, *chan_cl, *prefix;
1221 assert( Client != NULL );
1222 assert( Req != NULL );
1224 cl = chan_cl = prefix = NULL;
1227 /* Valider Client? */
1228 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1230 /* Keine Parameter? */
1231 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1233 /* Ziel suchen: Client bzw. Channel */
1234 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1235 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1237 /* Kein Ziel gefunden? */
1238 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1240 assert(( cl && chan ) != TRUE );
1242 /* Falsche Anzahl Parameter? */
1243 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1244 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1246 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1247 if(( chan ) && (Req->argc == 3 ))
1249 chan_cl = Client_Search( Req->argv[2] );
1250 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1253 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1254 if( Client_Type( Client ) == CLIENT_USER )
1258 /* MODE ist nur fuer sich selber zulaessig! */
1259 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1263 /* Darf der User die Channel-Modes ermitteln? */
1267 /* Werden die Modes "nur" erfragt? */
1268 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1269 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1271 mode_ptr = Req->argv[1];
1273 /* Sollen Modes gesetzt oder geloescht werden? */
1276 if( *mode_ptr == '+' ) set = TRUE;
1277 else if( *mode_ptr == '-' ) set = FALSE;
1278 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1283 if( *mode_ptr == '-' ) set = FALSE;
1285 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1288 /* Prefix fuer Antworten etc. ermitteln */
1289 if( Client_Type( Client ) == CLIENT_SERVER )
1291 prefix = Client_GetFromID( Req->prefix );
1292 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1294 else prefix = Client;
1296 /* Reply-String mit Aenderungen vorbereiten */
1297 if( set ) strcpy( the_modes, "+" );
1298 else strcpy( the_modes, "-" );
1305 if( Client_Type( Client ) == CLIENT_SERVER )
1307 /* Befehl kommt von einem Server, daher
1308 * trauen wir ihm "unbesehen" ... */
1313 /* Modes validieren */
1324 /* restricted (kann nur gesetzt werden) */
1325 if( set ) x[0] = 'r';
1326 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1329 /* operator (kann nur geloescht werden) */
1332 Client_SetOperByMe( Client, FALSE );
1335 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1338 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1339 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1345 /* Ist der User ein Channel Operator? */
1346 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1348 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1349 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1353 /* Channel-Modes oder Channel-User-Modes */
1356 /* Channel-User-Modes */
1360 /* Channel Operator */
1368 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 ));
1369 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1387 /* kein Schreiben in den Channel von aussen */
1407 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1408 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1417 if( ! x[0] ) continue;
1419 /* Okay, gueltigen Mode gefunden */
1422 /* Es geht um User-Modes */
1425 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1426 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1430 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1431 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1436 /* Es geht um Channel-Modes oder Channel-User-Modes */
1439 /* Channel-User-Modes */
1442 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1443 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1447 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1448 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1456 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1457 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1461 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1462 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1468 /* Wurden Modes geaendert? */
1474 if( Client_Type( Client ) == CLIENT_SERVER )
1476 /* Modes an andere Server forwarden */
1477 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1481 /* Bestaetigung an Client schicken & andere Server informieren */
1482 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1483 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1485 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1489 /* Channel-Modes oder Channel-User-Mode */
1492 /* Channel-User-Mode */
1493 if( Client_Type( Client ) == CLIENT_SERVER )
1495 /* Modes an andere Server und Channel-User forwarden */
1496 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1497 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1501 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1502 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1503 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1504 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1506 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1511 if( Client_Type( Client ) == CLIENT_SERVER )
1513 /* Modes an andere Server und Channel-User forwarden */
1514 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1515 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1519 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1520 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1521 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1522 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1524 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1533 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1537 assert( Client != NULL );
1538 assert( Req != NULL );
1540 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1542 /* Falsche Anzahl Parameter? */
1543 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1545 /* Operator suchen */
1546 for( i = 0; i < Conf_Oper_Count; i++)
1548 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1550 if( i >= Conf_Oper_Count )
1552 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1553 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1556 /* Stimmt das Passwort? */
1557 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1559 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1560 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1563 if( ! Client_HasMode( Client, 'o' ))
1565 /* noch kein o-Mode gesetzt */
1566 Client_ModeAdd( Client, 'o' );
1567 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1568 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1571 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1573 Client_SetOperByMe( Client, TRUE );
1574 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1578 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1580 assert( Client != NULL );
1581 assert( Req != NULL );
1583 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1585 /* Falsche Anzahl Parameter? */
1586 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1588 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1590 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1596 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1598 assert( Client != NULL );
1599 assert( Req != NULL );
1601 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1603 /* Falsche Anzahl Parameter? */
1604 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1606 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1608 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1609 NGIRCd_Restart = TRUE;
1614 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1616 CHAR rpl[COMMAND_LEN];
1619 assert( Client != NULL );
1620 assert( Req != NULL );
1622 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1624 /* Falsche Anzahl Parameter? */
1625 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1627 /* Noch alle User ausgeben, die in keinem Channel sind */
1629 c = Client_First( );
1632 if( Client_Type( c ) == CLIENT_USER )
1634 /* Okay, das ist ein User */
1635 strcat( rpl, Client_ID( c ));
1639 /* Antwort zu lang? Splitten. */
1640 if( strlen( rpl ) > 480 )
1642 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1643 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1647 c = Client_Next( c );
1651 /* es wurden User gefunden */
1652 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1653 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1655 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1659 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1661 CHAR rpl[COMMAND_LEN];
1666 assert( Client != NULL );
1667 assert( Req != NULL );
1669 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1671 /* Falsche Anzahl Parameter? */
1672 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1674 strcpy( rpl, RPL_ISON_MSG );
1675 for( i = 0; i < Req->argc; i++ )
1677 ptr = strtok( Req->argv[i], " " );
1681 c = Client_GetFromID( ptr );
1682 if( c && ( Client_Type( c ) == CLIENT_USER ))
1684 /* Dieser Nick ist "online" */
1688 ptr = strtok( NULL, " " );
1691 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1693 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1697 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1699 CLIENT *from, *target, *c;
1700 CHAR str[LINE_LEN + 1], *ptr = NULL;
1704 assert( Client != NULL );
1705 assert( Req != NULL );
1707 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1709 /* Falsche Anzahl Parameter? */
1710 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1713 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1714 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1716 /* Empfaenger des WHOIS suchen */
1717 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1719 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1721 /* Forwarden an anderen Server? */
1724 /* angegebenen Ziel-Server suchen */
1725 target = Client_GetFromID( Req->argv[1] );
1726 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1729 else target = Client_ThisServer( );
1731 assert( target != NULL );
1733 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 );
1735 /* Nick, User und Name */
1736 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1739 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;
1742 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1743 cl2chan = Channel_FirstChannelOf( c );
1746 chan = Channel_GetChannel( cl2chan );
1747 assert( chan != NULL );
1749 /* Channel-Name anhaengen */
1750 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1751 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1752 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1753 strcat( str, Channel_Name( chan ));
1755 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1757 /* Zeile wird zu lang: senden! */
1758 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1759 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1762 /* naechstes Mitglied suchen */
1763 cl2chan = Channel_NextChannelOf( c, cl2chan );
1765 if( str[strlen( str ) - 1] != ':')
1767 /* Es sind noch Daten da, die gesendet werden muessen */
1768 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1772 if( Client_HasMode( c, 'o' ))
1774 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1777 /* Idle (nur lokale Clients) */
1778 if( Client_Conn( c ) > NONE )
1780 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1784 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1788 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1790 CHAR rpl[COMMAND_LEN];
1794 assert( Client != NULL );
1795 assert( Req != NULL );
1797 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1799 /* Falsche Anzahl Parameter? */
1800 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1802 if( Req->argc > 5 ) max = 5;
1803 else max = Req->argc;
1805 strcpy( rpl, RPL_USERHOST_MSG );
1806 for( i = 0; i < max; i++ )
1808 c = Client_GetFromID( Req->argv[i] );
1809 if( c && ( Client_Type( c ) == CLIENT_USER ))
1811 /* Dieser Nick ist "online" */
1812 strcat( rpl, Client_ID( c ));
1813 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1815 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1816 else strcat( rpl, "+" );
1817 strcat( rpl, Client_User( c ));
1819 strcat( rpl, Client_Hostname( c ));
1823 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1825 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1826 } /* IRC_USERHOST */
1829 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1831 assert( Client != NULL );
1832 assert( Req != NULL );
1834 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1835 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1841 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1843 CLIENT *target, *from;
1845 assert( Client != NULL );
1846 assert( Req != NULL );
1848 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1850 /* Falsche Anzahl Parameter? */
1851 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1853 /* Absender ermitteln */
1854 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1856 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1858 /* An anderen Server forwarden? */
1859 if( Req->argc == 2 )
1861 target = Client_GetFromID( Req->argv[1] );
1862 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1863 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1866 /* Wer ist der Absender? */
1867 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1868 else target = Client;
1869 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1871 Send_LUSERS( target );
1877 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1879 CLIENT *target, *from, *c;
1882 assert( Client != NULL );
1883 assert( Req != NULL );
1885 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1887 /* Falsche Anzahl Parameter? */
1888 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1890 /* Server-Mask ermitteln */
1891 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1894 /* Absender ermitteln */
1895 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1897 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1899 /* An anderen Server forwarden? */
1900 if( Req->argc == 2 )
1902 target = Client_GetFromID( Req->argv[0] );
1903 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1904 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1907 /* Wer ist der Absender? */
1908 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1909 else target = Client;
1910 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1912 c = Client_First( );
1915 if( Client_Type( c ) == CLIENT_SERVER )
1917 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;
1919 c = Client_Next( c );
1922 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1926 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1928 CHAR *channame, *flags, modes[8];
1929 BOOLEAN is_new_chan;
1933 assert( Client != NULL );
1934 assert( Req != NULL );
1936 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1938 /* Falsche Anzahl Parameter? */
1939 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1941 /* Wer ist der Absender? */
1942 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1943 else target = Client;
1944 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1946 /* Channel-Namen durchgehen */
1947 channame = strtok( Req->argv[0], "," );
1950 /* wird der Channel neu angelegt? */
1953 if( Channel_Search( channame )) is_new_chan = FALSE;
1954 else is_new_chan = TRUE;
1956 /* Hat ein Server Channel-User-Modes uebergeben? */
1957 if( Client_Type( Client ) == CLIENT_SERVER )
1959 /* Channel-Flags extrahieren */
1960 flags = strchr( channame, 0x7 );
1961 if( flags ) *flags++ = '\0';
1964 /* neuer Channel udn lokaler Client? */
1965 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1967 /* Dann soll der Client Channel-Operator werden! */
1971 /* Channel joinen (und ggf. anlegen) */
1972 if( ! Channel_Join( target, channame ))
1974 /* naechsten Namen ermitteln */
1975 channame = strtok( NULL, "," );
1978 chan = Channel_Search( channame );
1979 assert( chan != NULL );
1981 /* Modes setzen (wenn vorhanden) */
1982 while( flags && *flags )
1984 Channel_UserModeAdd( chan, target, *flags );
1988 /* Muessen Modes an andere Server gemeldet werden? */
1989 strcpy( &modes[1], Channel_UserModes( chan, target ));
1990 if( modes[1] ) modes[0] = 0x7;
1991 else modes[0] = '\0';
1993 /* An andere Server weiterleiten */
1994 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1996 /* im Channel bekannt machen */
1997 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2000 /* Modes im Channel bekannt machen */
2001 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2004 if( Client_Type( Client ) == CLIENT_USER )
2006 /* an Client bestaetigen */
2007 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2008 /* Topic an Client schicken */
2009 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2010 /* Mitglieder an Client Melden */
2011 Send_NAMES( Client, chan );
2014 /* naechsten Namen ermitteln */
2015 channame = strtok( NULL, "," );
2021 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2026 assert( Client != NULL );
2027 assert( Req != NULL );
2029 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2031 /* Falsche Anzahl Parameter? */
2032 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2034 /* Wer ist der Absender? */
2035 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2036 else target = Client;
2037 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2039 /* Channel-Namen durchgehen */
2040 chan = strtok( Req->argv[0], "," );
2043 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2045 /* naechsten Namen ermitteln */
2046 chan = strtok( NULL, "," );
2050 /* naechsten Namen ermitteln */
2051 chan = strtok( NULL, "," );
2057 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2061 assert( Client != NULL );
2062 assert( Req != NULL );
2064 /* Falsche Anzahl Parameter? */
2065 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2068 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2069 else target = Client_ThisServer( );
2071 /* An anderen Server weiterleiten? */
2072 if( target != Client_ThisServer( ))
2074 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2075 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2079 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2083 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2087 assert( Client != NULL );
2088 assert( Req != NULL );
2090 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2092 /* Falsche Anzahl Parameter? */
2093 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2095 prefix = Client_GetFromID( Req->prefix );
2098 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2099 prefix = Client_ThisServer( );
2102 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2104 /* andere Server benachrichtigen */
2105 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2107 /* haben wir selber einen solchen Client? */
2108 c = Client_GetFromID( Req->argv[0] );
2109 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2115 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2117 assert( Client != NULL );
2119 /* Passwort ueberpruefen */
2120 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2122 /* Falsches Passwort */
2123 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2124 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2125 return DISCONNECTED;
2128 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2130 /* Andere Server informieren */
2131 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 ));
2133 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2134 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2135 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2136 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2138 Client_SetType( Client, CLIENT_USER );
2140 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2141 if( ! Show_MOTD( Client )) return DISCONNECTED;
2147 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2153 assert( Client != NULL );
2155 fd = fopen( Conf_MotdFile, "r" );
2158 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2159 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2162 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2165 if( ! fgets( line, 126, fd )) break;
2166 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2167 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2173 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2181 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2185 assert( Nick != NULL );
2186 assert( Reason != NULL );
2188 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2190 /* andere Server benachrichtigen */
2191 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2193 /* Ggf. einen eigenen Client toeten */
2194 c = Client_GetFromID( Nick );
2195 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2199 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2201 CHAR str[LINE_LEN + 1];
2205 assert( Client != NULL );
2206 assert( Chan != NULL );
2208 /* Alle Mitglieder suchen */
2209 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2210 cl2chan = Channel_FirstMember( Chan );
2213 cl = Channel_GetClient( cl2chan );
2215 /* Nick anhaengen */
2216 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2217 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2218 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2219 strcat( str, Client_ID( cl ));
2221 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2223 /* Zeile wird zu lang: senden! */
2224 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2225 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2228 /* naechstes Mitglied suchen */
2229 cl2chan = Channel_NextMember( Chan, cl2chan );
2231 if( str[strlen( str ) - 1] != ':')
2233 /* Es sind noch Daten da, die gesendet werden muessen */
2234 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2238 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2244 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2248 assert( Client != NULL );
2250 /* Users, Services und Serevr im Netz */
2251 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2253 /* IRC-Operatoren im Netz */
2254 cnt = Client_OperCount( );
2257 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2260 /* Unbekannt Verbindungen */
2261 cnt = Client_UnknownCount( );
2264 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2267 /* Channels im Netz */
2268 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2270 /* Channels im Netz */
2271 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;