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-mode.c,v 1.11 2002/09/08 00:51:28 alex Exp $
14 * irc-mode.c: IRC-Befehle zur Mode-Aenderung (MODE, AWAY, ...)
28 #include "irc-write.h"
40 LOCAL BOOLEAN Add_Invite PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
41 LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
43 LOCAL BOOLEAN Del_Invite PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
44 LOCAL BOOLEAN Del_Ban PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
48 IRC_MODE( CLIENT *Client, REQUEST *Req )
50 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
51 CLIENT *cl, *chan_cl, *prefix;
52 BOOLEAN set, ok, modeok;
55 assert( Client != NULL );
56 assert( Req != NULL );
58 cl = chan_cl = prefix = NULL;
62 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
64 /* Keine Parameter? */
65 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
67 /* Ziel suchen: Client bzw. Channel */
68 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
69 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
71 /* Kein Ziel gefunden? */
72 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
74 assert(( cl && chan ) != TRUE );
76 /* Falsche Anzahl Parameter? */
77 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
78 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
80 /* Prefix fuer Antworten etc. ermitteln */
81 if( Client_Type( Client ) == CLIENT_SERVER )
83 prefix = Client_Search( Req->prefix );
84 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
88 if(( chan ) && (( Req->argc == 2 ) || ( Req->argc == 3 )))
90 /* pruefen, ob "Listen-Operation": Invite, Ban */
91 if(( Req->argv[1][0] == '-' ) || ( Req->argv[1][0] == '+' )) mode_ptr = &Req->argv[1][1];
92 else mode_ptr = &Req->argv[1][0];
97 if( *mode_ptr == 'I' ) return Lists_ShowInvites( prefix, chan );
98 if( *mode_ptr == 'b' ) return Lists_ShowBans( prefix, chan );
102 if( Req->argv[1][0] == '+' )
104 /* Listen-Eintrag hinzufuegen */
105 if( *mode_ptr == 'I' ) return Add_Invite( prefix, chan, Req->argv[2] );
106 if( *mode_ptr == 'b' ) return Add_Ban( prefix, chan, Req->argv[2] );
108 else if( Req->argv[1][0] == '-' )
110 /* Listen-Eintrag loeschen */
111 if( *mode_ptr == 'I' ) return Del_Invite( prefix, chan, Req->argv[2] );
112 if( *mode_ptr == 'b' ) return Del_Ban( prefix, chan, Req->argv[2] );
117 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
118 if(( chan ) && (Req->argc == 3 ))
120 chan_cl = Client_Search( Req->argv[2] );
121 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
124 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
125 if( Client_Type( Client ) == CLIENT_USER )
129 /* MODE ist nur fuer sich selber zulaessig! */
130 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
134 /* Darf der User die Channel-Modes ermitteln? */
138 /* Werden die Modes "nur" erfragt? */
139 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
140 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
142 mode_ptr = Req->argv[1];
144 /* Sollen Modes gesetzt oder geloescht werden? */
147 if( *mode_ptr == '+' ) set = TRUE;
148 else if( *mode_ptr == '-' ) set = FALSE;
149 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
154 if( *mode_ptr == '-' ) set = FALSE;
156 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
159 /* Reply-String mit Aenderungen vorbereiten */
160 if( set ) strcpy( the_modes, "+" );
161 else strcpy( the_modes, "-" );
168 if( Client_Type( Client ) == CLIENT_SERVER )
170 /* Befehl kommt von einem Server, daher
171 * trauen wir ihm "unbesehen" ... */
176 /* Modes validieren */
187 /* operator (kann nur geloescht werden) */
190 Client_SetOperByMe( Client, FALSE );
193 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
196 /* restricted (kann nur gesetzt werden) */
197 if( set ) x[0] = 'r';
198 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
201 /* server messages */
205 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
206 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
212 /* Ist der User ein Channel Operator? */
214 if( strchr( Channel_UserModes( chan, Client ), 'o' )) modeok = TRUE;
215 if( Conf_OperCanMode )
217 /* auch IRC-Operatoren duerfen MODE verwenden */
218 if( Client_OperByMe( Client )) modeok = TRUE;
223 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
224 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
228 /* Channel-Modes oder Channel-User-Modes */
231 /* Channel-User-Modes */
235 /* Channel Operator */
243 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 ));
244 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
262 /* kein Schreiben in den Channel von aussen */
274 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
275 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
284 if( ! x[0] ) continue;
286 /* Okay, gueltigen Mode gefunden */
289 /* Es geht um User-Modes */
292 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
293 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
298 /* Modes geloescht. Wenn der Client ihn hatte: merken */
299 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
302 /* "nachbearbeiten" */
306 if( set ) Client_SetAway( cl, DEFAULT_AWAY_MSG );
307 else Client_SetAway( cl, NULL );
312 /* Es geht um Channel-Modes oder Channel-User-Modes */
315 /* Channel-User-Modes */
318 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
319 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
323 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
324 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
332 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
333 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
337 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
338 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
344 /* Wurden Modes geaendert? */
350 if( Client_Type( Client ) == CLIENT_SERVER )
352 /* Modes an andere Server forwarden */
353 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
357 /* Bestaetigung an Client schicken & andere Server informieren */
358 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
359 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
361 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
365 /* Channel-Modes oder Channel-User-Mode */
368 /* Channel-User-Mode */
369 if( Client_Type( Client ) == CLIENT_SERVER )
371 /* Modes an andere Server und Channel-User forwarden */
372 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
373 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
377 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
378 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
379 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
380 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
382 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
387 if( Client_Type( Client ) == CLIENT_SERVER )
389 /* Modes an andere Server und Channel-User forwarden */
390 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
391 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
395 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
396 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
397 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
398 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
400 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
410 IRC_AWAY( CLIENT *Client, REQUEST *Req )
412 assert( Client != NULL );
413 assert( Req != NULL );
415 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
417 /* Falsche Anzahl Parameter? */
418 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
420 if(( Req->argc == 1 ) && (Req->argv[0][0] ))
423 Client_SetAway( Client, Req->argv[0] );
424 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
425 return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
430 Client_SetAway( Client, NULL );
431 IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
432 return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
438 Add_Invite( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
442 assert( Client != NULL );
443 assert( Channel != NULL );
444 assert( Pattern != NULL );
446 mask = Lists_MakeMask( Pattern );
448 if( ! Lists_AddInvited( mask, Channel, FALSE )) return CONNECTED;
450 IRC_WriteStrChannelPrefix( Client, Channel, Client, TRUE, "MODE %s +I %s", Channel_Name( Channel ), mask );
451 if( Client_Type( Client ) == CLIENT_USER )
453 if( ! IRC_WriteStrClientPrefix( Client, Client, "MODE %s +I %s", Channel_Name( Channel ), mask )) return DISCONNECTED;
460 Add_Ban( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
464 assert( Client != NULL );
465 assert( Channel != NULL );
466 assert( Pattern != NULL );
468 mask = Lists_MakeMask( Pattern );
470 if( ! Lists_AddBanned( mask, Channel )) return CONNECTED;
472 IRC_WriteStrChannelPrefix( Client, Channel, Client, TRUE, "MODE %s +b %s", Channel_Name( Channel ), mask );
473 if( Client_Type( Client ) == CLIENT_USER )
475 if( ! IRC_WriteStrClientPrefix( Client, Client, "MODE %s +b %s", Channel_Name( Channel ), mask )) return DISCONNECTED;
482 Del_Invite( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
486 assert( Client != NULL );
487 assert( Channel != NULL );
488 assert( Pattern != NULL );
490 mask = Lists_MakeMask( Pattern );
491 Lists_DelInvited( mask, Channel );
493 IRC_WriteStrChannelPrefix( Client, Channel, Client, TRUE, "MODE %s -I %s", Channel_Name( Channel ), mask );
494 if( Client_Type( Client ) == CLIENT_USER )
496 if( ! IRC_WriteStrClientPrefix( Client, Client, "MODE %s -I %s", Channel_Name( Channel ), mask )) return DISCONNECTED;
503 Del_Ban( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
507 assert( Client != NULL );
508 assert( Channel != NULL );
509 assert( Pattern != NULL );
511 mask = Lists_MakeMask( Pattern );
512 Lists_DelBanned( mask, Channel );
514 IRC_WriteStrChannelPrefix( Client, Channel, Client, TRUE, "MODE %s -b %s", Channel_Name( Channel ), mask );
515 if( Client_Type( Client ) == CLIENT_USER )
517 if( ! IRC_WriteStrClientPrefix( Client, Client, "MODE %s -b %s", Channel_Name( Channel ), mask )) return DISCONNECTED;