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 1.48 2002/01/29 00:13:45 alex Exp $
17 * Revision 1.48 2002/01/29 00:13:45 alex
18 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
19 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
20 * LINKS wieder korrekt.
22 * Revision 1.47 2002/01/28 13:05:48 alex
23 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
24 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
26 * Revision 1.46 2002/01/28 01:45:43 alex
27 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
29 * Revision 1.45 2002/01/28 01:18:14 alex
30 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
32 * Revision 1.44 2002/01/28 00:55:08 alex
33 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
35 * Revision 1.43 2002/01/27 21:56:39 alex
36 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
37 * - einige kleinere Fixes bezueglich Channels ...
39 * Revision 1.42 2002/01/27 18:28:01 alex
40 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
42 * Revision 1.41 2002/01/27 17:15:49 alex
43 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
44 * IRC_WriteStrChannelPrefix(),
45 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
47 * Revision 1.40 2002/01/26 18:43:11 alex
48 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
49 * die IRC_Write_xxx_Related() sind dafuer entfallen.
50 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
52 * Revision 1.39 2002/01/21 00:05:11 alex
53 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
54 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
55 * - diverse Aenderungen im Zusammenhang mit Channels.
57 * Revision 1.38 2002/01/18 15:31:32 alex
58 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
60 * Revision 1.37 2002/01/16 22:10:18 alex
61 * - IRC_LUSERS() implementiert.
63 * Revision 1.36 2002/01/11 23:50:55 alex
64 * - LINKS implementiert, LUSERS begonnen.
66 * Revision 1.35 2002/01/09 21:30:45 alex
67 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
69 * Revision 1.34 2002/01/09 01:09:58 alex
70 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
71 * - andere Server werden nun ueber bisherige Server und User informiert.
73 * Revision 1.33 2002/01/07 23:42:12 alex
74 * - Es werden fuer alle Server eigene Token generiert,
75 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
76 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
78 * Revision 1.32 2002/01/07 16:02:36 alex
79 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
80 * - Im Debug-Mode werden nun auch PING's protokolliert.
82 * Revision 1.31 2002/01/07 15:39:46 alex
83 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
84 * - MODE und NICK melden nun die Aenderungen an andere Server.
86 * Revision 1.30 2002/01/06 15:21:29 alex
87 * - Loglevel und Meldungen nochmals ueberarbeitet.
88 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
89 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
91 * Revision 1.29 2002/01/05 23:24:54 alex
92 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
93 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
95 * Revision 1.28 2002/01/05 20:08:02 alex
96 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
97 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
99 * Revision 1.27 2002/01/05 19:15:03 alex
100 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
102 * Revision 1.26 2002/01/05 16:51:18 alex
103 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
105 * Revision 1.25 2002/01/05 00:48:33 alex
106 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
108 * Revision 1.24 2002/01/04 17:58:44 alex
109 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
110 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
112 * Revision 1.23 2002/01/04 01:36:40 alex
113 * - Loglevel ein wenig angepasst.
115 * Revision 1.22 2002/01/04 01:21:47 alex
116 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
117 * - Weitere Anpassungen und Erweiterungen der Server-Links.
119 * Revision 1.21 2002/01/03 02:26:51 alex
120 * - neue Befehle SERVER und NJOIN begonnen,
121 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
123 * Revision 1.20 2002/01/02 12:46:41 alex
124 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
126 * Revision 1.19 2002/01/02 02:51:39 alex
127 * - Copyright-Texte angepasst.
128 * - neuer Befehl "ERROR".
130 * Revision 1.17 2001/12/31 15:33:13 alex
131 * - neuer Befehl NAMES, kleinere Bugfixes.
132 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
134 * Revision 1.16 2001/12/31 02:18:51 alex
135 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
136 * - neuen Header "defines.h" mit (fast) allen Konstanten.
137 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
139 * Revision 1.15 2001/12/30 19:26:11 alex
140 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
142 * Revision 1.14 2001/12/30 11:42:00 alex
143 * - der Server meldet nun eine ordentliche "Start-Zeit".
145 * Revision 1.13 2001/12/29 03:10:06 alex
146 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
147 * - neue configure-Optione "--enable-strict-rfc".
149 * Revision 1.12 2001/12/27 19:17:26 alex
150 * - neue Befehle PRIVMSG, NOTICE, PING.
152 * Revision 1.11 2001/12/27 16:55:41 alex
153 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
155 * Revision 1.10 2001/12/26 22:48:53 alex
156 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
158 * Revision 1.9 2001/12/26 14:45:37 alex
161 * Revision 1.8 2001/12/26 03:21:46 alex
162 * - PING/PONG-Befehle implementiert,
163 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
165 * Revision 1.7 2001/12/25 23:25:18 alex
166 * - und nochmal Aenderungen am Logging ;-)
168 * Revision 1.6 2001/12/25 23:13:33 alex
169 * - Debug-Meldungen angepasst.
171 * Revision 1.5 2001/12/25 22:02:42 alex
172 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
174 * Revision 1.4 2001/12/25 19:19:30 alex
175 * - bessere Fehler-Abfragen, diverse Bugfixes.
176 * - Nicks werden nur einmal vergeben :-)
177 * - /MOTD wird unterstuetzt.
179 * Revision 1.3 2001/12/24 01:34:06 alex
180 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
181 * - MOTD-Ausgabe begonnen zu implementieren.
183 * Revision 1.2 2001/12/23 21:57:16 alex
184 * - erste IRC-Befehle zu implementieren begonnen.
186 * Revision 1.1 2001/12/14 08:13:43 alex
187 * - neues Modul begonnen :-)
208 #include "messages.h"
216 #define CONNECTED TRUE
217 #define DISCONNECTED FALSE
220 LOCAL BOOLEAN Hello_User( CLIENT *Client );
221 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
223 LOCAL VOID Kill_Nick( CHAR *Nick );
225 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
228 GLOBAL VOID IRC_Init( VOID )
233 GLOBAL VOID IRC_Exit( VOID )
238 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
241 BOOLEAN ok = CONNECTED;
244 assert( Client != NULL );
245 assert( Format != NULL );
247 va_start( ap, Format );
248 vsnprintf( buffer, 1000, Format, ap );
251 /* an den Client selber */
252 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
255 } /* IRC_WriteStrClient */
258 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
260 /* Text an Clients, lokal bzw. remote, senden. */
265 assert( Client != NULL );
266 assert( Format != NULL );
267 assert( Prefix != NULL );
269 va_start( ap, Format );
270 vsnprintf( buffer, 1000, Format, ap );
273 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer );
274 } /* IRC_WriteStrClientPrefix */
277 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
282 assert( Client != NULL );
283 assert( Format != NULL );
285 va_start( ap, Format );
286 vsnprintf( buffer, 1000, Format, ap );
289 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
290 } /* IRC_WriteStrChannel */
293 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
296 BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED, i;
302 assert( Client != NULL );
303 assert( Chan != NULL );
304 assert( Prefix != NULL );
305 assert( Format != NULL );
307 va_start( ap, Format );
308 vsnprintf( buffer, 1000, Format, ap );
311 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
313 /* An alle Clients, die in den selben Channels sind.
314 * Dabei aber nur einmal je Remote-Server */
315 cl2chan = Channel_FirstMember( Chan );
318 c = Channel_GetClient( cl2chan );
321 if( Client_Conn( c ) <= NONE ) c = NULL;
322 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
324 if( c ) c = Client_NextHop( c );
326 if( c && ( c != Client ))
328 /* Ok, anderer Client */
329 s = Client_Conn( c );
331 assert( s < MAX_CONNECTIONS );
334 cl2chan = Channel_NextMember( Chan, cl2chan );
338 for( i = 0; i < MAX_CONNECTIONS; i++ )
342 ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
347 } /* IRC_WriteStrChannelPrefix */
350 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
355 assert( Format != NULL );
357 va_start( ap, Format );
358 vsnprintf( buffer, 1000, Format, ap );
361 /* an den Client selber */
362 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
363 } /* IRC_WriteStrServers */
366 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
372 assert( Format != NULL );
373 assert( Prefix != NULL );
375 va_start( ap, Format );
376 vsnprintf( buffer, 1000, Format, ap );
382 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
384 /* Ziel-Server gefunden */
385 IRC_WriteStrClientPrefix( c, Prefix, buffer );
387 c = Client_Next( c );
389 } /* IRC_WriteStrServersPrefix */
392 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
394 assert( Client != NULL );
395 assert( Req != NULL );
397 /* Fehler liefern, wenn kein lokaler Client */
398 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
400 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
402 /* noch nicht registrierte unbekannte Verbindung */
403 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
405 /* Passwort speichern */
406 Client_SetPassword( Client, Req->argv[0] );
408 Client_SetType( Client, CLIENT_GOTPASS );
411 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
413 /* noch nicht registrierte Server-Verbindung */
414 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
416 /* Passwort speichern */
417 Client_SetPassword( Client, Req->argv[0] );
419 Client_SetType( Client, CLIENT_GOTPASSSERVER );
422 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
424 /* Falsche Anzahl Parameter? */
425 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
427 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
431 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
433 CHAR str[LINE_LEN], *ptr;
440 assert( Client != NULL );
441 assert( Req != NULL );
443 /* Fehler liefern, wenn kein lokaler Client */
444 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
446 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
448 /* Verbindung soll als Server-Server-Verbindung registriert werden */
449 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
451 /* Falsche Anzahl Parameter? */
452 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
454 /* Ist dieser Server bei uns konfiguriert? */
455 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
456 if( i >= Conf_Server_Count )
458 /* Server ist nicht konfiguriert! */
459 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
460 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
463 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
465 /* Falsches Passwort */
466 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
467 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
471 /* Ist ein Server mit dieser ID bereits registriert? */
472 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
474 /* Server-Strukturen fuellen ;-) */
475 Client_SetID( Client, Req->argv[0] );
476 Client_SetHops( Client, 1 );
477 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
479 /* Meldet sich der Server bei uns an? */
482 /* Unseren SERVER- und PASS-Befehl senden */
484 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
485 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
488 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
491 Client_SetIntroducer( Client, Client );
492 Client_SetToken( Client, 1 );
494 else Client_SetToken( Client, atoi( Req->argv[1] ));
496 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
498 Client_SetType( Client, CLIENT_SERVER );
500 /* maximalen Hop Count ermitteln */
505 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
506 c = Client_Next( c );
509 /* Alle bisherigen Server dem neuen Server bekannt machen,
510 * die bisherigen Server ueber den neuen informierenn */
511 for( i = 0; i < ( max_hops + 1 ); i++ )
516 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
518 if( Client_Conn( c ) > NONE )
520 /* Dem gefundenen Server gleich den neuen
521 * Server bekannt machen */
522 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
525 /* Den neuen Server ueber den alten informieren */
526 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;
528 c = Client_Next( c );
532 /* alle User dem neuen Server bekannt machen */
536 if( Client_Type( c ) == CLIENT_USER )
538 /* User an neuen Server melden */
539 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;
541 c = Client_Next( c );
544 /* Channels dem neuen Server bekannt machen */
545 chan = Channel_First( );
548 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
550 /* alle Member suchen */
551 cl2chan = Channel_FirstMember( chan );
554 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
555 strcat( str, Client_ID( Channel_GetClient( cl2chan )));
557 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
560 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
561 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
564 cl2chan = Channel_NextMember( chan, cl2chan );
568 if( str[strlen( str ) - 1] != ':')
570 /* Ja; Also senden ... */
571 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
574 /* naechsten Channel suchen */
575 chan = Channel_Next( chan );
580 else if( Client_Type( Client ) == CLIENT_SERVER )
582 /* Neuer Server wird im Netz angekuendigt */
584 /* Falsche Anzahl Parameter? */
585 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
587 /* Ist ein Server mit dieser ID bereits registriert? */
588 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
590 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
591 ptr = strchr( Req->argv[3] + 2, '[' );
592 if( ! ptr ) ptr = Req->argv[3];
594 from = Client_GetFromID( Req->prefix );
597 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
598 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
599 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
603 /* Neue Client-Struktur anlegen */
604 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
607 /* Neue Client-Struktur konnte nicht angelegt werden */
608 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
609 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
613 /* Log-Meldung zusammenbauen und ausgeben */
614 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
615 else strcpy( str, "" );
616 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": "" );
618 /* Andere Server informieren */
619 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
623 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
627 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
632 assert( Client != NULL );
633 assert( Req != NULL );
635 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
637 /* Falsche Anzahl Parameter? */
638 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
641 ptr = strtok( Req->argv[1], "," );
644 /* Prefixe abschneiden */
645 while(( *ptr == '@' ) || ( *ptr == '+' )) ptr++;
647 c = Client_GetFromID( ptr );
648 if( c ) Channel_Join( c, chan );
649 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, chan );
651 /* naechsten Nick suchen */
652 ptr = strtok( NULL, "," );
659 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
661 CLIENT *intr_c, *target, *c;
664 assert( Client != NULL );
665 assert( Req != NULL );
667 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
669 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 ))
671 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 ))
674 /* User-Registrierung bzw. Nick-Aenderung */
676 /* Falsche Anzahl Parameter? */
677 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
679 /* "Ziel-Client" ermitteln */
680 if( Client_Type( Client ) == CLIENT_SERVER )
682 target = Client_GetFromID( Req->prefix );
683 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
687 /* Ist der Client "restricted"? */
688 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
692 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
693 * wir nichts. So macht es das Original und mind. Snak hat probleme,
694 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
696 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
699 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
700 * will nur die Gross- und Kleinschreibung aendern. Das darf
701 * er natuerlich machen :-) */
702 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
704 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
707 if( Client_Type( Client ) == CLIENT_USER )
709 /* Nick-Aenderung: allen mitteilen! */
710 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
711 IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] );
712 IRC_WriteStrServersPrefix( NULL, Client, "NICK :%s", Req->argv[0] );
714 else if( Client_Type( Client ) == CLIENT_SERVER )
716 /* Nick-Aenderung: allen mitteilen! */
717 Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
718 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
721 /* Client-Nick registrieren */
722 Client_SetID( target, Req->argv[0] );
724 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
727 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
728 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
729 else Client_SetType( Client, CLIENT_GOTNICK );
733 else if( Client_Type( Client ) == CLIENT_SERVER )
735 /* Server fuehrt neuen Client ein */
737 /* Falsche Anzahl Parameter? */
738 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
740 /* Nick ueberpruefen */
741 c = Client_GetFromID( Req->argv[0] );
744 /* Der neue Nick ist auf diesem Server bereits registriert:
745 * sowohl der neue, als auch der alte Client muessen nun
746 * disconnectiert werden. */
747 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
748 Kill_Nick( Req->argv[0] );
752 /* Server, zu dem der Client connectiert ist, suchen */
753 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
756 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
757 Kill_Nick( Req->argv[0] );
761 /* Neue Client-Struktur anlegen */
762 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 );
765 /* Eine neue Client-Struktur konnte nicht angelegt werden.
766 * Der Client muss disconnectiert werden, damit der Netz-
767 * status konsistent bleibt. */
768 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
769 Kill_Nick( Req->argv[0] );
773 modes = Client_Modes( c );
774 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": "" );
775 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": "" );
777 /* Andere Server, ausser dem Introducer, informieren */
778 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] );
782 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
786 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
788 assert( Client != NULL );
789 assert( Req != NULL );
792 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
794 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
797 /* Falsche Anzahl Parameter? */
798 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
800 Client_SetUser( Client, Req->argv[0], FALSE );
801 Client_SetInfo( Client, Req->argv[3] );
803 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
804 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
805 else Client_SetType( Client, CLIENT_GOTUSER );
808 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
810 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
812 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
816 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
820 assert( Client != NULL );
821 assert( Req != NULL );
823 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
827 /* Falsche Anzahl Parameter? */
828 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
830 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
831 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
835 else if ( Client_Type( Client ) == CLIENT_SERVER )
839 /* Falsche Anzahl Parameter? */
840 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
842 target = Client_Search( Req->prefix );
845 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
849 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
850 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
854 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
858 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
862 assert( Client != NULL );
863 assert( Req != NULL );
865 /* SQUIT ist nur fuer Server erlaubt */
866 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
868 /* Falsche Anzahl Parameter? */
869 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
871 target = Client_GetFromID( Req->argv[0] );
874 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
878 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
879 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
881 /* SQUIT an alle Server weiterleiten */
882 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
884 if( Client_Conn( target ) > NONE )
886 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
887 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
892 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
898 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
900 assert( Client != NULL );
901 assert( Req != NULL );
903 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
905 /* Falsche Anzahl Parameter? */
906 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
907 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
909 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
910 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
914 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
916 assert( Client != NULL );
917 assert( Req != NULL );
919 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
921 /* Falsche Anzahl Parameter? */
922 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
923 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
925 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
926 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
928 Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
933 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
935 assert( Client != NULL );
936 assert( Req != NULL );
938 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
940 /* Falsche Anzahl Parameter? */
941 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
943 return Show_MOTD( Client );
947 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
952 assert( Client != NULL );
953 assert( Req != NULL );
955 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
957 /* Falsche Anzahl Parameter? */
958 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
959 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
960 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
962 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
964 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
966 to = Client_Search( Req->argv[0] );
969 /* Okay, Ziel ist ein User */
970 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
971 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
974 chan = Channel_Search( Req->argv[0] );
977 /* Okay, Ziel ist ein Channel */
978 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
979 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
982 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
986 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
990 assert( Client != NULL );
991 assert( Req != NULL );
993 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
995 /* Falsche Anzahl Parameter? */
996 if( Req->argc != 2 ) return CONNECTED;
998 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1000 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1002 to = Client_Search( Req->argv[0] );
1005 /* Okay, Ziel ist ein User */
1006 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1008 else return CONNECTED;
1012 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1014 CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr;
1019 assert( Client != NULL );
1020 assert( Req != NULL );
1022 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1024 /* Falsche Anzahl Parameter? */
1025 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1027 /* "Ziel-Client" bzw. Channel suchen */
1029 target = Client_Search( Req->argv[0] );
1032 chan = Channel_Search( Req->argv[0] );
1035 /* Falsche Anzahl Parameter? */
1036 if( target && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1037 if( chan && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1041 /* Channel Modes kennen wir noch nicht ... */
1042 Log( LOG_DEBUG, "MODE for channel \"%s\" ignored ...", Channel_Name( chan ));
1046 /* Wer ist der Anfragende? */
1047 if( Client_Type( Client ) == CLIENT_USER )
1049 /* User: MODE ist nur fuer sich selber zulaessig */
1050 if( target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1054 /* Server: gibt es den Client ueberhaupt? */
1055 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1058 /* Werden die Modes erfragt? */
1059 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
1063 /* Sollen Modes gesetzt oder geloescht werden? */
1064 if( *ptr == '+' ) set = TRUE;
1065 else if( *ptr == '-' ) set = FALSE;
1066 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1068 /* Reply-String mit Aenderungen vorbereiten */
1069 if( set ) strcpy( new_modes, "+" );
1070 else strcpy( new_modes, "-" );
1078 if( Client_Type( Client ) == CLIENT_SERVER )
1092 /* restricted (kann nur gesetzt werden) */
1093 if( set ) x[0] = 'r';
1094 else ok = IRC_WriteStrClient( target, ERR_RESTRICTED_MSG, Client_ID( target ));
1097 /* operator (kann nur geloescht werden) */
1100 Client_SetOperByMe( target, FALSE );
1103 else ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1106 ok = IRC_WriteStrClient( target, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( target ));
1113 if( ! x[0] ) continue;
1115 /* Okay, gueltigen Mode gefunden */
1118 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1119 if( Client_ModeAdd( target, x[0] )) strcat( new_modes, x );
1123 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1124 if( Client_ModeDel( target, x[0] )) strcat( new_modes, x );
1128 /* Geanderte Modes? */
1131 if( Client_Type( Client ) == CLIENT_SERVER )
1133 /* Modes an andere Server forwarden */
1134 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :%s", Client_ID( target ), new_modes );
1138 /* Bestaetigung an Client schicken & andere Server informieren */
1139 ok = IRC_WriteStrClient( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1140 IRC_WriteStrServers( Client, "MODE %s :%s", Client_ID( target ), new_modes );
1142 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( target ), Client_Modes( target ));
1148 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1152 assert( Client != NULL );
1153 assert( Req != NULL );
1155 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1157 /* Falsche Anzahl Parameter? */
1158 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1160 /* Operator suchen */
1161 for( i = 0; i < Conf_Oper_Count; i++)
1163 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1165 if( i >= Conf_Oper_Count )
1167 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1168 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1171 /* Stimmt das Passwort? */
1172 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1174 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1175 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1178 if( ! Client_HasMode( Client, 'o' ))
1180 /* noch kein o-Mode gesetzt */
1181 Client_ModeAdd( Client, 'o' );
1182 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1183 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1186 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1188 Client_SetOperByMe( Client, TRUE );
1189 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1193 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1195 assert( Client != NULL );
1196 assert( Req != NULL );
1198 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1200 /* Falsche Anzahl Parameter? */
1201 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1203 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1205 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1211 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1213 assert( Client != NULL );
1214 assert( Req != NULL );
1216 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1218 /* Falsche Anzahl Parameter? */
1219 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1221 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1223 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1224 NGIRCd_Restart = TRUE;
1229 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1231 CHAR rpl[COMMAND_LEN];
1234 assert( Client != NULL );
1235 assert( Req != NULL );
1237 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1239 /* Falsche Anzahl Parameter? */
1240 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1242 /* Noch alle User ausgeben, die in keinem Channel sind */
1244 c = Client_First( );
1247 if( Client_Type( c ) == CLIENT_USER )
1249 /* Okay, das ist ein User */
1250 strcat( rpl, Client_ID( c ));
1254 /* Antwort zu lang? Splitten. */
1255 if( strlen( rpl ) > 480 )
1257 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1258 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1262 c = Client_Next( c );
1266 /* es wurden User gefunden */
1267 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1268 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1270 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1274 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1276 CHAR rpl[COMMAND_LEN];
1281 assert( Client != NULL );
1282 assert( Req != NULL );
1284 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1286 /* Falsche Anzahl Parameter? */
1287 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1289 strcpy( rpl, RPL_ISON_MSG );
1290 for( i = 0; i < Req->argc; i++ )
1292 ptr = strtok( Req->argv[i], " " );
1296 c = Client_GetFromID( ptr );
1297 if( c && ( Client_Type( c ) == CLIENT_USER ))
1299 /* Dieser Nick ist "online" */
1303 ptr = strtok( NULL, " " );
1306 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1308 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1312 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1314 CLIENT *from, *target, *c;
1315 CHAR str[LINE_LEN + 1], *ptr = NULL;
1318 assert( Client != NULL );
1319 assert( Req != NULL );
1321 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1323 /* Falsche Anzahl Parameter? */
1324 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1327 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1328 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1330 /* Empfaenger des WHOIS suchen */
1331 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1333 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1335 /* Forwarden an anderen Server? */
1338 /* angegebenen Ziel-Server suchen */
1339 target = Client_GetFromID( Req->argv[1] );
1340 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1344 else if( Client_Conn( c ) == NONE )
1346 /* Client ist nicht von uns. Ziel-Server suchen */
1353 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 );
1355 /* Nick, User und Name */
1356 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1359 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;
1362 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1363 cl2chan = Channel_FirstChannelOf( c );
1366 /* Channel-Name anhaengen */
1367 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1368 strcat( str, Channel_Name( Channel_GetChannel( cl2chan )));
1370 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1372 /* Zeile wird zu lang: senden! */
1373 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1374 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1377 /* naechstes Mitglied suchen */
1378 cl2chan = Channel_NextChannelOf( c, cl2chan );
1380 if( str[strlen( str ) - 1] != ':')
1382 /* Es sind noch Daten da, die gesendet werden muessen */
1383 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1387 if( Client_HasMode( c, 'o' ))
1389 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1392 /* Idle (nur lokale Clients) */
1393 if( Client_Conn( c ) > NONE )
1395 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1399 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1403 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1405 CHAR rpl[COMMAND_LEN];
1409 assert( Client != NULL );
1410 assert( Req != NULL );
1412 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1414 /* Falsche Anzahl Parameter? */
1415 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1417 if( Req->argc > 5 ) max = 5;
1418 else max = Req->argc;
1420 strcpy( rpl, RPL_USERHOST_MSG );
1421 for( i = 0; i < max; i++ )
1423 c = Client_GetFromID( Req->argv[i] );
1424 if( c && ( Client_Type( c ) == CLIENT_USER ))
1426 /* Dieser Nick ist "online" */
1427 strcat( rpl, Client_ID( c ));
1428 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1430 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1431 else strcat( rpl, "+" );
1432 strcat( rpl, Client_User( c ));
1434 strcat( rpl, Client_Hostname( c ));
1438 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1440 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1441 } /* IRC_USERHOST */
1444 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1446 assert( Client != NULL );
1447 assert( Req != NULL );
1449 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1450 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1456 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1458 CLIENT *target, *from;
1461 assert( Client != NULL );
1462 assert( Req != NULL );
1464 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1466 /* Falsche Anzahl Parameter? */
1467 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1469 /* Absender ermitteln */
1470 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1472 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1474 /* An anderen Server forwarden? */
1475 if( Req->argc == 2 )
1477 target = Client_GetFromID( Req->argv[1] );
1478 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1479 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1482 /* Wer ist der Absender? */
1483 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1484 else target = Client;
1485 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1487 /* Users, Services und Serevr im Netz */
1488 if( ! IRC_WriteStrClient( target, RPL_LUSERCLIENT_MSG, Client_ID( target ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1490 /* IRC-Operatoren im Netz */
1491 cnt = Client_OperCount( );
1494 if( ! IRC_WriteStrClient( target, RPL_LUSEROP_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1497 /* Unbekannt Verbindungen */
1498 cnt = Client_UnknownCount( );
1501 if( ! IRC_WriteStrClient( target, RPL_LUSERUNKNOWN_MSG, Client_ID( target ), cnt )) return DISCONNECTED;
1504 /* Channels im Netz */
1505 if( ! IRC_WriteStrClient( target, RPL_LUSERCHANNELS_MSG, Client_ID( target ), Channel_Count( ))) return DISCONNECTED;
1507 /* Channels im Netz */
1508 if( ! IRC_WriteStrClient( target, RPL_LUSERME_MSG, Client_ID( target ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1514 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1516 CLIENT *target, *from, *c;
1519 assert( Client != NULL );
1520 assert( Req != NULL );
1522 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1524 /* Falsche Anzahl Parameter? */
1525 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1527 /* Server-Mask ermitteln */
1528 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1531 /* Absender ermitteln */
1532 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1534 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1536 /* An anderen Server forwarden? */
1537 if( Req->argc == 2 )
1539 target = Client_GetFromID( Req->argv[0] );
1540 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1541 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1544 /* Wer ist der Absender? */
1545 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1546 else target = Client;
1547 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1549 c = Client_First( );
1552 if( Client_Type( c ) == CLIENT_SERVER )
1554 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;
1556 c = Client_Next( c );
1559 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1563 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1568 assert( Client != NULL );
1569 assert( Req != NULL );
1571 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1573 /* Falsche Anzahl Parameter? */
1574 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1576 /* Wer ist der Absender? */
1577 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1578 else target = Client;
1579 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1581 /* Channel-Namen durchgehen */
1582 chan = strtok( Req->argv[0], "," );
1585 if( Client_Type( Client ) == CLIENT_SERVER )
1587 /* Channel-Flags extrahieren */
1588 flags = strchr( chan, 0x7 );
1589 if( flags ) *flags++ = '\0';
1593 if( ! Channel_Join( target, chan ))
1595 /* naechsten Namen ermitteln */
1596 chan = strtok( NULL, "," );
1600 /* An andere Server weiterleiten */
1601 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s", chan );
1602 IRC_WriteStrChannelPrefix( Client, Channel_Search( chan ), target, FALSE, "JOIN :%s", chan );
1604 if( Client_Type( Client ) == CLIENT_USER )
1606 /* an Client bestaetigen */
1607 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", chan );
1608 /* Topic an Client schicken */
1609 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), chan, "What a wonderful channel!" );
1610 /* Mitglieder an Client Melden */
1611 Send_NAMES( Client, Channel_Search( chan ));
1614 /* naechsten Namen ermitteln */
1615 chan = strtok( NULL, "," );
1621 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
1626 assert( Client != NULL );
1627 assert( Req != NULL );
1629 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1631 /* Falsche Anzahl Parameter? */
1632 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1634 /* Wer ist der Absender? */
1635 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1636 else target = Client;
1637 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1639 /* Channel-Namen durchgehen */
1640 chan = strtok( Req->argv[0], "," );
1643 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
1645 /* naechsten Namen ermitteln */
1646 chan = strtok( NULL, "," );
1650 /* naechsten Namen ermitteln */
1651 chan = strtok( NULL, "," );
1657 LOCAL BOOLEAN Hello_User( CLIENT *Client )
1659 assert( Client != NULL );
1661 /* Passwort ueberpruefen */
1662 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
1664 /* Falsches Passwort */
1665 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
1666 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
1667 return DISCONNECTED;
1670 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
1672 /* Andere Server informieren */
1673 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 ));
1675 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
1676 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1677 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
1678 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
1680 Client_SetType( Client, CLIENT_USER );
1682 return Show_MOTD( Client );
1686 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
1692 assert( Client != NULL );
1694 fd = fopen( Conf_MotdFile, "r" );
1697 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1698 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1701 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
1704 if( ! fgets( line, 126, fd )) break;
1705 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
1706 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
1712 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
1720 LOCAL VOID Kill_Nick( CHAR *Nick )
1722 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick );
1724 Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
1728 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1730 CHAR str[LINE_LEN + 1];
1733 assert( Client != NULL );
1734 assert( Chan != NULL );
1736 /* Alle Mitglieder suchen */
1737 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1738 cl2chan = Channel_FirstMember( Chan );
1741 /* Nick anhaengen */
1742 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1743 strcat( str, Client_ID( Channel_GetClient( cl2chan )));
1745 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1747 /* Zeile wird zu lang: senden! */
1748 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1749 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1752 /* naechstes Mitglied suchen */
1753 cl2chan = Channel_NextMember( Chan, cl2chan );
1755 if( str[strlen( str ) - 1] != ':')
1757 /* Es sind noch Daten da, die gesendet werden muessen */
1758 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1762 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));