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 1.57 2002/02/13 23:05:29 alex Exp $
17 * Revision 1.57 2002/02/13 23:05:29 alex
18 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
20 * Revision 1.56 2002/02/13 17:52:27 alex
21 * - es werden nun Channel- und User-Modes von Usern angenommen.
23 * Revision 1.55 2002/02/12 14:40:37 alex
24 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
26 * Revision 1.54 2002/02/11 23:33:35 alex
27 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
29 * Revision 1.53 2002/02/11 16:06:21 alex
30 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
32 * Revision 1.52 2002/02/11 15:52:21 alex
33 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
34 * - Channel-Modes wurden falsch geliefert (als User-Modes).
36 * Revision 1.51 2002/02/11 15:15:53 alex
37 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
38 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
40 * Revision 1.50 2002/02/11 01:03:20 alex
41 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
42 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
43 * angelegt wird, werden Channel-Operator, etc. pp. ...
44 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
46 * Revision 1.49 2002/02/06 16:51:22 alex
47 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
49 * Revision 1.48 2002/01/29 00:13:45 alex
50 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
51 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
52 * LINKS wieder korrekt.
54 * Revision 1.47 2002/01/28 13:05:48 alex
55 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
56 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
58 * Revision 1.46 2002/01/28 01:45:43 alex
59 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
61 * Revision 1.45 2002/01/28 01:18:14 alex
62 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
64 * Revision 1.44 2002/01/28 00:55:08 alex
65 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
67 * Revision 1.43 2002/01/27 21:56:39 alex
68 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
69 * - einige kleinere Fixes bezueglich Channels ...
71 * Revision 1.42 2002/01/27 18:28:01 alex
72 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
74 * Revision 1.41 2002/01/27 17:15:49 alex
75 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
76 * IRC_WriteStrChannelPrefix(),
77 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
79 * Revision 1.40 2002/01/26 18:43:11 alex
80 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
81 * die IRC_Write_xxx_Related() sind dafuer entfallen.
82 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
84 * Revision 1.39 2002/01/21 00:05:11 alex
85 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
86 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
87 * - diverse Aenderungen im Zusammenhang mit Channels.
89 * Revision 1.38 2002/01/18 15:31:32 alex
90 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
92 * Revision 1.37 2002/01/16 22:10:18 alex
93 * - IRC_LUSERS() implementiert.
95 * Revision 1.36 2002/01/11 23:50:55 alex
96 * - LINKS implementiert, LUSERS begonnen.
98 * Revision 1.35 2002/01/09 21:30:45 alex
99 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
101 * Revision 1.34 2002/01/09 01:09:58 alex
102 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
103 * - andere Server werden nun ueber bisherige Server und User informiert.
105 * Revision 1.33 2002/01/07 23:42:12 alex
106 * - Es werden fuer alle Server eigene Token generiert,
107 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
108 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
110 * Revision 1.32 2002/01/07 16:02:36 alex
111 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
112 * - Im Debug-Mode werden nun auch PING's protokolliert.
114 * Revision 1.31 2002/01/07 15:39:46 alex
115 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
116 * - MODE und NICK melden nun die Aenderungen an andere Server.
118 * Revision 1.30 2002/01/06 15:21:29 alex
119 * - Loglevel und Meldungen nochmals ueberarbeitet.
120 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
121 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
123 * Revision 1.29 2002/01/05 23:24:54 alex
124 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
125 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
127 * Revision 1.28 2002/01/05 20:08:02 alex
128 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
129 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
131 * Revision 1.27 2002/01/05 19:15:03 alex
132 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
134 * Revision 1.26 2002/01/05 16:51:18 alex
135 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
137 * Revision 1.25 2002/01/05 00:48:33 alex
138 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
140 * Revision 1.24 2002/01/04 17:58:44 alex
141 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
142 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
144 * Revision 1.23 2002/01/04 01:36:40 alex
145 * - Loglevel ein wenig angepasst.
147 * Revision 1.22 2002/01/04 01:21:47 alex
148 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
149 * - Weitere Anpassungen und Erweiterungen der Server-Links.
151 * Revision 1.21 2002/01/03 02:26:51 alex
152 * - neue Befehle SERVER und NJOIN begonnen,
153 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
155 * Revision 1.20 2002/01/02 12:46:41 alex
156 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
158 * Revision 1.19 2002/01/02 02:51:39 alex
159 * - Copyright-Texte angepasst.
160 * - neuer Befehl "ERROR".
162 * Revision 1.17 2001/12/31 15:33:13 alex
163 * - neuer Befehl NAMES, kleinere Bugfixes.
164 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
166 * Revision 1.16 2001/12/31 02:18:51 alex
167 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
168 * - neuen Header "defines.h" mit (fast) allen Konstanten.
169 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
171 * Revision 1.15 2001/12/30 19:26:11 alex
172 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
174 * Revision 1.14 2001/12/30 11:42:00 alex
175 * - der Server meldet nun eine ordentliche "Start-Zeit".
177 * Revision 1.13 2001/12/29 03:10:06 alex
178 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
179 * - neue configure-Optione "--enable-strict-rfc".
181 * Revision 1.12 2001/12/27 19:17:26 alex
182 * - neue Befehle PRIVMSG, NOTICE, PING.
184 * Revision 1.11 2001/12/27 16:55:41 alex
185 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
187 * Revision 1.10 2001/12/26 22:48:53 alex
188 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
190 * Revision 1.9 2001/12/26 14:45:37 alex
193 * Revision 1.8 2001/12/26 03:21:46 alex
194 * - PING/PONG-Befehle implementiert,
195 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
197 * Revision 1.7 2001/12/25 23:25:18 alex
198 * - und nochmal Aenderungen am Logging ;-)
200 * Revision 1.6 2001/12/25 23:13:33 alex
201 * - Debug-Meldungen angepasst.
203 * Revision 1.5 2001/12/25 22:02:42 alex
204 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
206 * Revision 1.4 2001/12/25 19:19:30 alex
207 * - bessere Fehler-Abfragen, diverse Bugfixes.
208 * - Nicks werden nur einmal vergeben :-)
209 * - /MOTD wird unterstuetzt.
211 * Revision 1.3 2001/12/24 01:34:06 alex
212 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
213 * - MOTD-Ausgabe begonnen zu implementieren.
215 * Revision 1.2 2001/12/23 21:57:16 alex
216 * - erste IRC-Befehle zu implementieren begonnen.
218 * Revision 1.1 2001/12/14 08:13:43 alex
219 * - neues Modul begonnen :-)
240 #include "messages.h"
248 #define CONNECTED TRUE
249 #define DISCONNECTED FALSE
252 LOCAL BOOLEAN Hello_User( CLIENT *Client );
253 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
255 LOCAL VOID Kill_Nick( CHAR *Nick );
257 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
258 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
261 GLOBAL VOID IRC_Init( VOID )
266 GLOBAL VOID IRC_Exit( VOID )
271 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
274 BOOLEAN ok = CONNECTED;
277 assert( Client != NULL );
278 assert( Format != NULL );
280 va_start( ap, Format );
281 vsnprintf( buffer, 1000, Format, ap );
284 /* an den Client selber */
285 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
288 } /* IRC_WriteStrClient */
291 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
293 /* Text an Clients, lokal bzw. remote, senden. */
298 assert( Client != NULL );
299 assert( Format != NULL );
300 assert( Prefix != NULL );
302 va_start( ap, Format );
303 vsnprintf( buffer, 1000, Format, ap );
306 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
307 } /* IRC_WriteStrClientPrefix */
310 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
315 assert( Client != NULL );
316 assert( Format != NULL );
318 va_start( ap, Format );
319 vsnprintf( buffer, 1000, Format, ap );
322 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
323 } /* IRC_WriteStrChannel */
326 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
329 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
335 assert( Client != NULL );
336 assert( Chan != NULL );
337 assert( Prefix != NULL );
338 assert( Format != NULL );
340 va_start( ap, Format );
341 vsnprintf( buffer, 1000, Format, ap );
344 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
346 /* An alle Clients, die in den selben Channels sind.
347 * Dabei aber nur einmal je Remote-Server */
348 cl2chan = Channel_FirstMember( Chan );
351 c = Channel_GetClient( cl2chan );
354 if( Client_Conn( c ) <= NONE ) c = NULL;
355 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
357 if( c ) c = Client_NextHop( c );
359 if( c && ( c != Client ))
361 /* Ok, anderer Client */
362 s = Client_Conn( c );
364 assert( s < MAX_CONNECTIONS );
367 cl2chan = Channel_NextMember( Chan, cl2chan );
371 for( i = 0; i < MAX_CONNECTIONS; i++ )
375 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
380 } /* IRC_WriteStrChannelPrefix */
383 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
388 assert( Format != NULL );
390 va_start( ap, Format );
391 vsnprintf( buffer, 1000, Format, ap );
394 /* an den Client selber */
395 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
396 } /* IRC_WriteStrServers */
399 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
405 assert( Format != NULL );
406 assert( Prefix != NULL );
408 va_start( ap, Format );
409 vsnprintf( buffer, 1000, Format, ap );
415 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
417 /* Ziel-Server gefunden */
418 IRC_WriteStrClientPrefix( c, Prefix, buffer );
420 c = Client_Next( c );
422 } /* IRC_WriteStrServersPrefix */
425 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
427 assert( Client != NULL );
428 assert( Req != NULL );
430 /* Fehler liefern, wenn kein lokaler Client */
431 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
433 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
435 /* noch nicht registrierte unbekannte Verbindung */
436 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
438 /* Passwort speichern */
439 Client_SetPassword( Client, Req->argv[0] );
441 Client_SetType( Client, CLIENT_GOTPASS );
444 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
446 /* noch nicht registrierte Server-Verbindung */
447 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
449 /* Passwort speichern */
450 Client_SetPassword( Client, Req->argv[0] );
452 Client_SetType( Client, CLIENT_GOTPASSSERVER );
455 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
457 /* Falsche Anzahl Parameter? */
458 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
460 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
464 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
466 CHAR str[LINE_LEN], *ptr;
467 CLIENT *from, *c, *cl;
473 assert( Client != NULL );
474 assert( Req != NULL );
476 /* Fehler liefern, wenn kein lokaler Client */
477 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
479 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
481 /* Verbindung soll als Server-Server-Verbindung registriert werden */
482 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
484 /* Falsche Anzahl Parameter? */
485 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
487 /* Ist dieser Server bei uns konfiguriert? */
488 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
489 if( i >= Conf_Server_Count )
491 /* Server ist nicht konfiguriert! */
492 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
493 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
496 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
498 /* Falsches Passwort */
499 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
500 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
504 /* Ist ein Server mit dieser ID bereits registriert? */
505 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
507 /* Server-Strukturen fuellen ;-) */
508 Client_SetID( Client, Req->argv[0] );
509 Client_SetHops( Client, 1 );
510 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
512 /* Meldet sich der Server bei uns an? */
515 /* Unseren SERVER- und PASS-Befehl senden */
517 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
518 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
521 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
524 Client_SetIntroducer( Client, Client );
525 Client_SetToken( Client, 1 );
527 else Client_SetToken( Client, atoi( Req->argv[1] ));
529 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
531 Client_SetType( Client, CLIENT_SERVER );
533 /* maximalen Hop Count ermitteln */
538 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
539 c = Client_Next( c );
542 /* Alle bisherigen Server dem neuen Server bekannt machen,
543 * die bisherigen Server ueber den neuen informierenn */
544 for( i = 0; i < ( max_hops + 1 ); i++ )
549 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
551 if( Client_Conn( c ) > NONE )
553 /* Dem gefundenen Server gleich den neuen
554 * Server bekannt machen */
555 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
558 /* Den neuen Server ueber den alten informieren */
559 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;
561 c = Client_Next( c );
565 /* alle User dem neuen Server bekannt machen */
569 if( Client_Type( c ) == CLIENT_USER )
571 /* User an neuen Server melden */
572 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;
574 c = Client_Next( c );
577 /* Channels dem neuen Server bekannt machen */
578 chan = Channel_First( );
581 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
583 /* alle Member suchen */
584 cl2chan = Channel_FirstMember( chan );
587 cl = Channel_GetClient( cl2chan );
588 assert( cl != NULL );
590 /* Nick, ggf. mit Modes, anhaengen */
591 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
592 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
593 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
594 strcat( str, Client_ID( cl ));
596 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
599 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
600 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
603 cl2chan = Channel_NextMember( chan, cl2chan );
607 if( str[strlen( str ) - 1] != ':')
609 /* Ja; Also senden ... */
610 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
613 /* naechsten Channel suchen */
614 chan = Channel_Next( chan );
619 else if( Client_Type( Client ) == CLIENT_SERVER )
621 /* Neuer Server wird im Netz angekuendigt */
623 /* Falsche Anzahl Parameter? */
624 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
626 /* Ist ein Server mit dieser ID bereits registriert? */
627 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
629 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
630 ptr = strchr( Req->argv[3] + 2, '[' );
631 if( ! ptr ) ptr = Req->argv[3];
633 from = Client_GetFromID( Req->prefix );
636 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
637 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
638 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
642 /* Neue Client-Struktur anlegen */
643 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
646 /* Neue Client-Struktur konnte nicht angelegt werden */
647 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
648 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
652 /* Log-Meldung zusammenbauen und ausgeben */
653 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
654 else strcpy( str, "" );
655 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": "" );
657 /* Andere Server informieren */
658 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
662 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
666 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
668 CHAR *channame, *ptr, modes[8];
669 BOOLEAN is_op, is_voiced;
673 assert( Client != NULL );
674 assert( Req != NULL );
676 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
678 /* Falsche Anzahl Parameter? */
679 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
681 channame = Req->argv[0];
682 ptr = strtok( Req->argv[1], "," );
685 is_op = is_voiced = FALSE;
687 /* Prefixe abschneiden */
688 while(( *ptr == '@' ) || ( *ptr == '+' ))
690 if( *ptr == '@' ) is_op = TRUE;
691 if( *ptr == '+' ) is_voiced = TRUE;
695 c = Client_GetFromID( ptr );
698 Channel_Join( c, channame );
699 chan = Channel_Search( channame );
700 assert( chan != NULL );
702 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
703 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
705 /* im Channel bekannt machen */
706 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
708 /* Channel-User-Modes setzen */
709 strcpy( modes, Channel_UserModes( chan, c ));
712 /* Modes im Channel bekannt machen */
713 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
716 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
718 /* naechsten Nick suchen */
719 ptr = strtok( NULL, "," );
722 /* an andere Server weiterleiten */
723 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
729 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
731 CLIENT *intr_c, *target, *c;
734 assert( Client != NULL );
735 assert( Req != NULL );
737 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
739 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 ))
741 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 ))
744 /* User-Registrierung bzw. Nick-Aenderung */
746 /* Falsche Anzahl Parameter? */
747 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
749 /* "Ziel-Client" ermitteln */
750 if( Client_Type( Client ) == CLIENT_SERVER )
752 target = Client_GetFromID( Req->prefix );
753 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
757 /* Ist der Client "restricted"? */
758 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
763 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
764 * wir nichts. So macht es das Original und mind. Snak hat probleme,
765 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
766 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
769 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
770 * will nur die Gross- und Kleinschreibung aendern. Das darf
771 * er natuerlich machen :-) */
772 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
774 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
777 if( Client_Type( Client ) == CLIENT_USER )
779 /* Nick-Aenderung: allen mitteilen! */
780 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
781 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
782 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
784 else if( Client_Type( Client ) == CLIENT_SERVER )
786 /* Nick-Aenderung: allen mitteilen! */
787 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
788 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
791 /* Client-Nick registrieren */
792 Client_SetID( target, Req->argv[0] );
794 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
797 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
798 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
799 else Client_SetType( Client, CLIENT_GOTNICK );
803 else if( Client_Type( Client ) == CLIENT_SERVER )
805 /* Server fuehrt neuen Client ein */
807 /* Falsche Anzahl Parameter? */
808 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
810 /* Nick ueberpruefen */
811 c = Client_GetFromID( Req->argv[0] );
814 /* Der neue Nick ist auf diesem Server bereits registriert:
815 * sowohl der neue, als auch der alte Client muessen nun
816 * disconnectiert werden. */
817 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
818 Kill_Nick( Req->argv[0] );
822 /* Server, zu dem der Client connectiert ist, suchen */
823 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
826 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
827 Kill_Nick( Req->argv[0] );
831 /* Neue Client-Struktur anlegen */
832 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 );
835 /* Eine neue Client-Struktur konnte nicht angelegt werden.
836 * Der Client muss disconnectiert werden, damit der Netz-
837 * status konsistent bleibt. */
838 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
839 Kill_Nick( Req->argv[0] );
843 modes = Client_Modes( c );
844 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": "" );
845 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": "" );
847 /* Andere Server, ausser dem Introducer, informieren */
848 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] );
852 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
856 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
858 assert( Client != NULL );
859 assert( Req != NULL );
862 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
864 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
867 /* Falsche Anzahl Parameter? */
868 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
870 Client_SetUser( Client, Req->argv[0], FALSE );
871 Client_SetInfo( Client, Req->argv[3] );
873 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
874 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
875 else Client_SetType( Client, CLIENT_GOTUSER );
878 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
880 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
882 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
886 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
890 assert( Client != NULL );
891 assert( Req != NULL );
893 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
897 /* Falsche Anzahl Parameter? */
898 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
900 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
901 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
905 else if ( Client_Type( Client ) == CLIENT_SERVER )
909 /* Falsche Anzahl Parameter? */
910 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
912 target = Client_Search( Req->prefix );
915 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
919 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
920 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
924 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
928 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
932 assert( Client != NULL );
933 assert( Req != NULL );
935 /* SQUIT ist nur fuer Server erlaubt */
936 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
938 /* Falsche Anzahl Parameter? */
939 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
941 target = Client_GetFromID( Req->argv[0] );
944 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
948 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
949 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
951 /* SQUIT an alle Server weiterleiten */
952 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
954 if( Client_Conn( target ) > NONE )
956 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
957 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
962 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
968 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
970 CLIENT *target, *from;
972 assert( Client != NULL );
973 assert( Req != NULL );
975 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
977 /* Falsche Anzahl Parameter? */
978 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
979 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
983 /* es wurde ein Ziel-Client angegeben */
984 target = Client_GetFromID( Req->argv[1] );
985 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
986 if( target != Client_ThisServer( ))
989 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
991 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
992 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
996 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
997 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1001 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1003 CLIENT *target, *from;
1005 assert( Client != NULL );
1006 assert( Req != NULL );
1008 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1010 /* Falsche Anzahl Parameter? */
1011 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1012 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1015 if( Req->argc == 2 )
1017 target = Client_GetFromID( Req->argv[1] );
1018 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1019 if( target != Client_ThisServer( ))
1022 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1024 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1025 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1029 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1030 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1032 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %d seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
1033 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1039 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1041 assert( Client != NULL );
1042 assert( Req != NULL );
1044 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1046 /* Falsche Anzahl Parameter? */
1047 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1049 return Show_MOTD( Client );
1053 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1058 assert( Client != NULL );
1059 assert( Req != NULL );
1061 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1063 /* Falsche Anzahl Parameter? */
1064 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1065 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1066 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1068 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1070 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1072 to = Client_Search( Req->argv[0] );
1075 /* Okay, Ziel ist ein User */
1076 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1077 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1080 chan = Channel_Search( Req->argv[0] );
1083 /* Okay, Ziel ist ein Channel */
1084 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1085 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1088 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1092 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1096 assert( Client != NULL );
1097 assert( Req != NULL );
1099 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1101 /* Falsche Anzahl Parameter? */
1102 if( Req->argc != 2 ) return CONNECTED;
1104 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1106 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1108 to = Client_Search( Req->argv[0] );
1111 /* Okay, Ziel ist ein User */
1112 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1114 else return CONNECTED;
1118 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1120 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1121 CLIENT *cl, *chan_cl, *prefix;
1125 assert( Client != NULL );
1126 assert( Req != NULL );
1128 cl = chan_cl = prefix = NULL;
1131 /* Valider Client? */
1132 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1134 /* Keine Parameter? */
1135 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1137 /* Ziel suchen: Client bzw. Channel */
1138 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1139 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1141 /* Kein Ziel gefunden? */
1142 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1144 assert(( cl && chan ) != TRUE );
1146 /* Falsche Anzahl Parameter? */
1147 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1148 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1150 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1151 if(( chan ) && (Req->argc == 3 ))
1153 chan_cl = Client_Search( Req->argv[2] );
1154 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1157 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1158 if( Client_Type( Client ) == CLIENT_USER )
1162 /* MODE ist nur fuer sich selber zulaessig! */
1163 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1167 /* Darf der User die Channel-Modes ermitteln? */
1171 /* Werden die Modes "nur" erfragt? */
1172 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1173 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1175 mode_ptr = Req->argv[1];
1177 /* Sollen Modes gesetzt oder geloescht werden? */
1180 if( *mode_ptr == '+' ) set = TRUE;
1181 else if( *mode_ptr == '-' ) set = FALSE;
1182 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1187 if( *mode_ptr == '-' ) set = FALSE;
1189 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1192 /* Prefix fuer Antworten etc. ermitteln */
1193 if( Client_Type( Client ) == CLIENT_SERVER )
1195 prefix = Client_GetFromID( Req->prefix );
1196 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1198 else prefix = Client;
1200 /* Reply-String mit Aenderungen vorbereiten */
1201 if( set ) strcpy( the_modes, "+" );
1202 else strcpy( the_modes, "-" );
1209 if( Client_Type( Client ) == CLIENT_SERVER )
1211 /* Befehl kommt von einem Server, daher
1212 * trauen wir ihm "unbesehen" ... */
1217 /* Modes validieren */
1228 /* restricted (kann nur gesetzt werden) */
1229 if( set ) x[0] = 'r';
1230 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1233 /* operator (kann nur geloescht werden) */
1236 Client_SetOperByMe( Client, FALSE );
1239 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1242 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1243 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1249 /* Ist der User ein Channel Operator? */
1250 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1252 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1253 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1257 /* Channel-Modes oder Channel-User-Modes */
1260 /* Channel-User-Modes */
1264 /* Channel Operator */
1272 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 ));
1273 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1291 /* kein Schreiben in den Channel von aussen */
1311 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1312 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1321 if( ! x[0] ) continue;
1323 /* Okay, gueltigen Mode gefunden */
1326 /* Es geht um User-Modes */
1329 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1330 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1334 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1335 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1340 /* Es geht um Channel-Modes oder Channel-User-Modes */
1343 /* Channel-User-Modes */
1346 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1347 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1351 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1352 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1360 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1361 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1365 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1366 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1372 /* Wurden Modes geaendert? */
1378 if( Client_Type( Client ) == CLIENT_SERVER )
1380 /* Modes an andere Server forwarden */
1381 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1385 /* Bestaetigung an Client schicken & andere Server informieren */
1386 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1387 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1389 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1393 /* Channel-Modes oder Channel-User-Mode */
1396 /* Channel-User-Mode */
1397 if( Client_Type( Client ) == CLIENT_SERVER )
1399 /* Modes an andere Server und Channel-User forwarden */
1400 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1401 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1405 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1406 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1407 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1408 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1410 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1415 if( Client_Type( Client ) == CLIENT_SERVER )
1417 /* Modes an andere Server und Channel-User forwarden */
1418 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1419 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1423 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1424 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1425 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1426 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1428 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1437 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1441 assert( Client != NULL );
1442 assert( Req != NULL );
1444 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1446 /* Falsche Anzahl Parameter? */
1447 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1449 /* Operator suchen */
1450 for( i = 0; i < Conf_Oper_Count; i++)
1452 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1454 if( i >= Conf_Oper_Count )
1456 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1457 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1460 /* Stimmt das Passwort? */
1461 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1463 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1464 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1467 if( ! Client_HasMode( Client, 'o' ))
1469 /* noch kein o-Mode gesetzt */
1470 Client_ModeAdd( Client, 'o' );
1471 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1472 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1475 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1477 Client_SetOperByMe( Client, TRUE );
1478 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1482 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1484 assert( Client != NULL );
1485 assert( Req != NULL );
1487 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1489 /* Falsche Anzahl Parameter? */
1490 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1492 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1494 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1500 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1502 assert( Client != NULL );
1503 assert( Req != NULL );
1505 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1507 /* Falsche Anzahl Parameter? */
1508 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1510 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1512 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1513 NGIRCd_Restart = TRUE;
1518 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1520 CHAR rpl[COMMAND_LEN];
1523 assert( Client != NULL );
1524 assert( Req != NULL );
1526 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1528 /* Falsche Anzahl Parameter? */
1529 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1531 /* Noch alle User ausgeben, die in keinem Channel sind */
1533 c = Client_First( );
1536 if( Client_Type( c ) == CLIENT_USER )
1538 /* Okay, das ist ein User */
1539 strcat( rpl, Client_ID( c ));
1543 /* Antwort zu lang? Splitten. */
1544 if( strlen( rpl ) > 480 )
1546 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1547 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1551 c = Client_Next( c );
1555 /* es wurden User gefunden */
1556 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1557 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1559 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1563 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1565 CHAR rpl[COMMAND_LEN];
1570 assert( Client != NULL );
1571 assert( Req != NULL );
1573 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1575 /* Falsche Anzahl Parameter? */
1576 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1578 strcpy( rpl, RPL_ISON_MSG );
1579 for( i = 0; i < Req->argc; i++ )
1581 ptr = strtok( Req->argv[i], " " );
1585 c = Client_GetFromID( ptr );
1586 if( c && ( Client_Type( c ) == CLIENT_USER ))
1588 /* Dieser Nick ist "online" */
1592 ptr = strtok( NULL, " " );
1595 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1597 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1601 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1603 CLIENT *from, *target, *c;
1604 CHAR str[LINE_LEN + 1], *ptr = NULL;
1608 assert( Client != NULL );
1609 assert( Req != NULL );
1611 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1613 /* Falsche Anzahl Parameter? */
1614 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1617 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1618 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1620 /* Empfaenger des WHOIS suchen */
1621 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1623 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1625 /* Forwarden an anderen Server? */
1628 /* angegebenen Ziel-Server suchen */
1629 target = Client_GetFromID( Req->argv[1] );
1630 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1634 else if( Client_Conn( c ) == NONE )
1636 /* Client ist nicht von uns. Ziel-Server suchen */
1643 if( target && ( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
1645 /* Nick, User und Name */
1646 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1649 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;
1652 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1653 cl2chan = Channel_FirstChannelOf( c );
1656 chan = Channel_GetChannel( cl2chan );
1657 assert( chan != NULL );
1659 /* Channel-Name anhaengen */
1660 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1661 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1662 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1663 strcat( str, Channel_Name( chan ));
1665 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1667 /* Zeile wird zu lang: senden! */
1668 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1669 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1672 /* naechstes Mitglied suchen */
1673 cl2chan = Channel_NextChannelOf( c, cl2chan );
1675 if( str[strlen( str ) - 1] != ':')
1677 /* Es sind noch Daten da, die gesendet werden muessen */
1678 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1682 if( Client_HasMode( c, 'o' ))
1684 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1687 /* Idle (nur lokale Clients) */
1688 if( Client_Conn( c ) > NONE )
1690 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1694 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1698 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1700 CHAR rpl[COMMAND_LEN];
1704 assert( Client != NULL );
1705 assert( Req != NULL );
1707 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1709 /* Falsche Anzahl Parameter? */
1710 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1712 if( Req->argc > 5 ) max = 5;
1713 else max = Req->argc;
1715 strcpy( rpl, RPL_USERHOST_MSG );
1716 for( i = 0; i < max; i++ )
1718 c = Client_GetFromID( Req->argv[i] );
1719 if( c && ( Client_Type( c ) == CLIENT_USER ))
1721 /* Dieser Nick ist "online" */
1722 strcat( rpl, Client_ID( c ));
1723 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1725 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1726 else strcat( rpl, "+" );
1727 strcat( rpl, Client_User( c ));
1729 strcat( rpl, Client_Hostname( c ));
1733 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1735 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1736 } /* IRC_USERHOST */
1739 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1741 assert( Client != NULL );
1742 assert( Req != NULL );
1744 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1745 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1751 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1753 CLIENT *target, *from;
1755 assert( Client != NULL );
1756 assert( Req != NULL );
1758 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1760 /* Falsche Anzahl Parameter? */
1761 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1763 /* Absender ermitteln */
1764 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1766 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1768 /* An anderen Server forwarden? */
1769 if( Req->argc == 2 )
1771 target = Client_GetFromID( Req->argv[1] );
1772 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1773 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1776 /* Wer ist der Absender? */
1777 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1778 else target = Client;
1779 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1781 Send_LUSERS( target );
1787 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1789 CLIENT *target, *from, *c;
1792 assert( Client != NULL );
1793 assert( Req != NULL );
1795 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1797 /* Falsche Anzahl Parameter? */
1798 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1800 /* Server-Mask ermitteln */
1801 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1804 /* Absender ermitteln */
1805 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1807 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1809 /* An anderen Server forwarden? */
1810 if( Req->argc == 2 )
1812 target = Client_GetFromID( Req->argv[0] );
1813 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1814 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1817 /* Wer ist der Absender? */
1818 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1819 else target = Client;
1820 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1822 c = Client_First( );
1825 if( Client_Type( c ) == CLIENT_SERVER )
1827 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;
1829 c = Client_Next( c );
1832 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1836 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1838 CHAR *channame, *flags, modes[8];
1839 BOOLEAN is_new_chan;
1843 assert( Client != NULL );
1844 assert( Req != NULL );
1846 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1848 /* Falsche Anzahl Parameter? */
1849 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1851 /* Wer ist der Absender? */
1852 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1853 else target = Client;
1854 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1856 /* Channel-Namen durchgehen */
1857 channame = strtok( Req->argv[0], "," );
1860 /* wird der Channel neu angelegt? */
1863 if( Channel_Search( channame )) is_new_chan = FALSE;
1864 else is_new_chan = TRUE;
1866 /* Hat ein Server Channel-User-Modes uebergeben? */
1867 if( Client_Type( Client ) == CLIENT_SERVER )
1869 /* Channel-Flags extrahieren */
1870 flags = strchr( channame, 0x7 );
1871 if( flags ) *flags++ = '\0';
1874 /* neuer Channel udn lokaler Client? */
1875 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1877 /* Dann soll der Client Channel-Operator werden! */
1881 /* Channel joinen (und ggf. anlegen) */
1882 if( ! Channel_Join( target, channame ))
1884 /* naechsten Namen ermitteln */
1885 channame = strtok( NULL, "," );
1888 chan = Channel_Search( channame );
1889 assert( chan != NULL );
1891 /* Modes setzen (wenn vorhanden) */
1892 while( flags && *flags )
1894 Channel_UserModeAdd( chan, target, *flags );
1898 /* Muessen Modes an andere Server gemeldet werden? */
1899 strcpy( &modes[1], Channel_UserModes( chan, target ));
1900 if( modes[1] ) modes[0] = 0x7;
1901 else modes[0] = '\0';
1903 /* An andere Server weiterleiten */
1904 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
1906 /* im Channel bekannt machen */
1907 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
1910 /* Modes im Channel bekannt machen */
1911 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
1914 if( Client_Type( Client ) == CLIENT_USER )
1916 /* an Client bestaetigen */
1917 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
1918 /* Topic an Client schicken */
1919 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
1920 /* Mitglieder an Client Melden */
1921 Send_NAMES( Client, chan );
1924 /* naechsten Namen ermitteln */
1925 channame = strtok( NULL, "," );
1931 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1936 assert( Client != NULL );
1937 assert( Req != NULL );
1939 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1941 /* Falsche Anzahl Parameter? */
1942 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1944 /* Wer ist der Absender? */
1945 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1946 else target = Client;
1947 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1949 /* Channel-Namen durchgehen */
1950 chan = strtok( Req->argv[0], "," );
1953 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1955 /* naechsten Namen ermitteln */
1956 chan = strtok( NULL, "," );
1960 /* naechsten Namen ermitteln */
1961 chan = strtok( NULL, "," );
1967 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1969 assert( Client != NULL );
1971 /* Passwort ueberpruefen */
1972 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1974 /* Falsches Passwort */
1975 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1976 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1977 return DISCONNECTED;
1980 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1982 /* Andere Server informieren */
1983 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 ));
1985 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1986 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1987 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1988 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1990 Client_SetType( Client, CLIENT_USER );
1992 if( ! Send_LUSERS( Client )) return DISCONNECTED;
1993 if( ! Show_MOTD( Client )) return DISCONNECTED;
1999 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2005 assert( Client != NULL );
2007 fd = fopen( Conf_MotdFile, "r" );
2010 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2011 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2014 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2017 if( ! fgets( line, 126, fd )) break;
2018 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2019 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2025 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2033 LOCAL VOID Kill_Nick( CHAR *Nick )
2035 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
2037 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
2041 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2043 CHAR str[LINE_LEN + 1];
2047 assert( Client != NULL );
2048 assert( Chan != NULL );
2050 /* Alle Mitglieder suchen */
2051 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2052 cl2chan = Channel_FirstMember( Chan );
2055 cl = Channel_GetClient( cl2chan );
2057 /* Nick anhaengen */
2058 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2059 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2060 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2061 strcat( str, Client_ID( cl ));
2063 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2065 /* Zeile wird zu lang: senden! */
2066 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2067 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2070 /* naechstes Mitglied suchen */
2071 cl2chan = Channel_NextMember( Chan, cl2chan );
2073 if( str[strlen( str ) - 1] != ':')
2075 /* Es sind noch Daten da, die gesendet werden muessen */
2076 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2080 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2086 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2090 assert( Client != NULL );
2092 /* Users, Services und Serevr im Netz */
2093 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2095 /* IRC-Operatoren im Netz */
2096 cnt = Client_OperCount( );
2099 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2102 /* Unbekannt Verbindungen */
2103 cnt = Client_UnknownCount( );
2106 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2109 /* Channels im Netz */
2110 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2112 /* Channels im Netz */
2113 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;