- new (and much more flexible!) MODE parser
This commit is contained in:
Alexander Barton
parent
25ca2b3cc5
commit
80c6dc86ed
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@ -14,7 +14,7 @@
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#include "portab.h"
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static char UNUSED id[] = "$Id: irc-mode.c,v 1.19 2002/12/14 13:36:19 alex Exp $";
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static char UNUSED id[] = "$Id: irc-mode.c,v 1.20 2002/12/15 15:51:24 alex Exp $";
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#include "imp.h"
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#include <assert.h>
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@ -36,6 +36,9 @@ static char UNUSED id[] = "$Id: irc-mode.c,v 1.19 2002/12/14 13:36:19 alex Exp $
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#include "irc-mode.h"
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LOCAL BOOLEAN Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ));
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LOCAL BOOLEAN Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel ));
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LOCAL BOOLEAN Add_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
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LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
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@ -48,385 +51,444 @@ LOCAL BOOLEAN Send_ListChange PARAMS(( CHAR *Mode, CLIENT *Prefix, CLIENT *Clien
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GLOBAL BOOLEAN
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IRC_MODE( CLIENT *Client, REQUEST *Req )
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{
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CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
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CLIENT *cl, *chan_cl, *prefix;
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BOOLEAN set, ok, modeok;
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CLIENT *cl, *origin;
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CHANNEL *chan;
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assert( Client != NULL );
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assert( Req != NULL );
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cl = chan_cl = prefix = NULL;
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chan = NULL;
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/* Keine Parameter? */
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/* No parameters? */
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if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Ziel suchen: Client bzw. Channel */
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/* Origin for answers */
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if( Client_Type( Client ) == CLIENT_SERVER )
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{
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origin = Client_Search( Req->prefix );
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if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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}
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else origin = Client;
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/* Channel or user mode? */
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cl = chan = NULL;
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if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
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if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
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/* Kein Ziel gefunden? */
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if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
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if( cl ) return Client_Mode( Client, Req, origin, cl );
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if( chan ) return Channel_Mode( Client, Req, origin, chan );
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assert(( cl && chan ) != TRUE );
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/* No target found! */
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return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
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} /* IRC_MODE */
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/* Falsche Anzahl Parameter? */
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if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Prefix fuer Antworten etc. ermitteln */
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if( Client_Type( Client ) == CLIENT_SERVER )
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LOCAL BOOLEAN
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Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
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{
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prefix = Client_Search( Req->prefix );
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if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
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}
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else prefix = Client;
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/* Handle client mode requests */
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if(( chan ) && (( Req->argc == 2 ) || ( Req->argc == 3 )))
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{
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/* pruefen, ob "Listen-Operation": Invite, Ban */
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if(( Req->argv[1][0] == '-' ) || ( Req->argv[1][0] == '+' )) mode_ptr = &Req->argv[1][1];
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else mode_ptr = &Req->argv[1][0];
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if( Req->argc == 2 )
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{
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/* Liste anzeigen */
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if( *mode_ptr == 'I' ) return Lists_ShowInvites( prefix, chan );
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if( *mode_ptr == 'b' ) return Lists_ShowBans( prefix, chan );
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}
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else
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{
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/* Listen veraendern */
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CHAR the_modes[COMMAND_LEN], x[2], *mode_ptr;
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BOOLEAN ok, set;
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INT mode_arg;
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/* Is the client allowed to request or change the modes? */
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if( Client_Type( Client ) == CLIENT_USER )
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{
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/* Ist der User Channel-Operator? */
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modeok = FALSE;
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if( strchr( Channel_UserModes( chan, Client ), 'o' )) modeok = TRUE;
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if( Conf_OperCanMode )
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{
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/* auch IRC-Operatoren duerfen MODE verwenden */
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if( Client_OperByMe( Client )) modeok = TRUE;
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/* Users are only allowed to manipulate their own modes! */
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if( Target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
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}
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if( ! modeok )
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{
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Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
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return IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
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}
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}
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/* Mode request: let's answer it :-) */
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if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_UMODEIS_MSG, Client_ID( Origin ), Client_Modes( Target ));
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if( Req->argv[1][0] == '+' )
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{
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/* Listen-Eintrag hinzufuegen */
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if( *mode_ptr == 'I' ) return Add_Invite( prefix, Client, chan, Req->argv[2] );
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if( *mode_ptr == 'b' ) return Add_Ban( prefix, Client, chan, Req->argv[2] );
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}
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else if( Req->argv[1][0] == '-' )
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{
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/* Listen-Eintrag loeschen */
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if( *mode_ptr == 'I' ) return Del_Invite( prefix, Client, chan, Req->argv[2] );
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if( *mode_ptr == 'b' ) return Del_Ban( prefix, Client, chan, Req->argv[2] );
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}
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}
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}
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mode_arg = 1;
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mode_ptr = Req->argv[mode_arg];
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/* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
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if(( chan ) && (Req->argc == 3 ))
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{
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chan_cl = Client_Search( Req->argv[2] );
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if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
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}
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/* Wenn Anfragender ein User ist: Zugriff erlaubt? */
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if( Client_Type( Client ) == CLIENT_USER )
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{
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if( cl )
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{
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/* MODE ist nur fuer sich selber zulaessig! */
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if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
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}
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if( chan )
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{
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/* Darf der User die Channel-Modes ermitteln? */
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}
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}
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/* Werden die Modes "nur" erfragt? */
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if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
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if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
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mode_ptr = Req->argv[1];
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/* Sollen Modes gesetzt oder geloescht werden? */
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if( cl )
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{
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/* Initial state: set or unset modes? */
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if( *mode_ptr == '+' ) set = TRUE;
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else if( *mode_ptr == '-' ) set = FALSE;
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else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
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mode_ptr++;
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}
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else
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{
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if( *mode_ptr == '-' ) set = FALSE;
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else set = TRUE;
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if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
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}
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else return IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Origin ));
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/* Reply-String mit Aenderungen vorbereiten */
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/* Prepare reply string */
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if( set ) strcpy( the_modes, "+" );
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else strcpy( the_modes, "-" );
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ok = TRUE;
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x[1] = '\0';
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while( *mode_ptr )
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ok = CONNECTED;
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while( mode_ptr )
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{
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mode_ptr++;
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if( ! *mode_ptr )
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{
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/* Try next argument if there's any */
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mode_arg++;
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if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
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else break;
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}
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switch( *mode_ptr )
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{
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case '+':
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case '-':
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if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
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{
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/* Action modifier ("+"/"-") must be changed ... */
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if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
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{
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/* Adjust last action modifier in result */
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the_modes[strlen( the_modes ) - 1] = *mode_ptr;
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}
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else
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{
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/* Append modifier character to result string */
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x[0] = *mode_ptr; strcat( the_modes, x );
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}
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if( *mode_ptr == '+' ) set = TRUE;
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else set = FALSE;
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}
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continue;
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}
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x[0] = '\0';
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if( Client_Type( Client ) == CLIENT_SERVER )
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{
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/* Befehl kommt von einem Server, daher
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* trauen wir ihm "unbesehen" ... */
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/* MODE request was received from a server:
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* therefore don't validate but trust it! */
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x[0] = *mode_ptr;
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}
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else
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{
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/* Modes validieren */
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if( cl )
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{
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/* User-Modes */
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/* Validate modes */
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switch( *mode_ptr )
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{
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case 'i':
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/* invisible */
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/* Invisible */
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x[0] = 'i';
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break;
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case 'o':
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/* operator (kann nur geloescht werden) */
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/* IRC operator (only unsetable!) */
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if( ! set )
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{
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Client_SetOperByMe( Client, FALSE );
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Client_SetOperByMe( Target, FALSE );
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x[0] = 'o';
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}
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else ok = IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
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else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
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break;
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case 'r':
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/* restricted (kann nur gesetzt werden) */
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/* Restricted (only setable) */
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if( set ) x[0] = 'r';
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else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
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else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
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break;
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case 's':
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/* server messages */
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/* Server messages */
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x[0] = 's';
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break;
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default:
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
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ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
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ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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}
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if( chan )
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{
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/* Ist der User ein Channel Operator? */
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modeok = FALSE;
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if( strchr( Channel_UserModes( chan, Client ), 'o' )) modeok = TRUE;
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if( Conf_OperCanMode )
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{
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/* auch IRC-Operatoren duerfen MODE verwenden */
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if( Client_OperByMe( Client )) modeok = TRUE;
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}
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if( ! modeok )
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{
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Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
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ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
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break;
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}
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/* Channel-Modes oder Channel-User-Modes */
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if( chan_cl )
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{
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/* Channel-User-Modes */
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switch( *mode_ptr )
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{
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case 'o':
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/* Channel Operator */
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x[0] = 'o';
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break;
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case 'v':
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/* Voice */
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x[0] = 'v';
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break;
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default:
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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 ));
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ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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}
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else
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{
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/* Channel-Modes */
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switch( *mode_ptr )
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{
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case 'i':
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/* Invite-Only */
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x[0] = 'i';
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break;
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case 'm':
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/* Moderated */
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x[0] = 'm';
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break;
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case 'n':
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/* kein Schreiben in den Channel von aussen */
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x[0] = 'n';
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break;
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case 't':
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/* Topic Lock */
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x[0] = 't';
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break;
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case 'P':
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/* Persistent channel */
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if( set && ( ! Client_OperByMe( Client )))
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{
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/* there are too many persistent channels in the network! */
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ok = IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
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}
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else x[0] = 'P';
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break;
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default:
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Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
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ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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}
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}
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}
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if( ! ok ) break;
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mode_ptr++;
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/* Is there a valid mode change? */
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if( ! x[0] ) continue;
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/* Okay, gueltigen Mode gefunden */
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if( cl )
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{
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/* Es geht um User-Modes */
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if( set )
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{
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/* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
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if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
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/* Set mode */
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if( Client_ModeAdd( Target, x[0] )) strcat( the_modes, x );
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}
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else
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{
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/* Modes geloescht. Wenn der Client ihn hatte: merken */
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if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
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}
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/* "nachbearbeiten" */
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if( x[0] == 'a' )
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{
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/* away */
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if( set ) Client_SetAway( cl, DEFAULT_AWAY_MSG );
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else Client_SetAway( cl, NULL );
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}
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}
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if( chan )
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{
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/* Es geht um Channel-Modes oder Channel-User-Modes */
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if( chan_cl )
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{
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/* Channel-User-Modes */
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if( set )
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{
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/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
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if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
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}
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else
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{
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/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
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if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
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}
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}
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else
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{
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/* Channel-Mode */
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if( set )
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{
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/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
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if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
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}
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else
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{
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/* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
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if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
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}
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}
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/* Unset mode */
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if( Client_ModeDel( Target, x[0] )) strcat( the_modes, x );
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}
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}
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/* Wurden Modes geaendert? */
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/* Are there changed modes? */
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if( the_modes[1] )
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{
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if( cl )
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{
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/* Client-Mode */
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/* Remoce needless action modifier characters */
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if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
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if( Client_Type( Client ) == CLIENT_SERVER )
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||||
{
|
||||
/* Modes an andere Server forwarden */
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
|
||||
/* Forward modes to other servers */
|
||||
IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Bestaetigung an Client schicken & andere Server informieren */
|
||||
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
|
||||
}
|
||||
Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
|
||||
}
|
||||
if( chan )
|
||||
{
|
||||
/* Channel-Modes oder Channel-User-Mode */
|
||||
if( chan_cl )
|
||||
{
|
||||
/* Channel-User-Mode */
|
||||
if( Client_Type( Client ) == CLIENT_SERVER )
|
||||
{
|
||||
/* Modes an andere Server und Channel-User forwarden */
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
|
||||
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
|
||||
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
|
||||
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
|
||||
}
|
||||
Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Channel-Mode */
|
||||
if( Client_Type( Client ) == CLIENT_SERVER )
|
||||
{
|
||||
/* Modes an andere Server und Channel-User forwarden */
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
|
||||
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
|
||||
ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
|
||||
IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
|
||||
IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
|
||||
}
|
||||
Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
|
||||
}
|
||||
/* Send reply to client and inform other servers */
|
||||
ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s", Client_ID( Target ), the_modes );
|
||||
IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
|
||||
}
|
||||
Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Target ), Client_Modes( Target ));
|
||||
}
|
||||
|
||||
return ok;
|
||||
} /* IRC_MODE */
|
||||
} /* Client_Mode */
|
||||
|
||||
|
||||
LOCAL BOOLEAN
|
||||
Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
|
||||
{
|
||||
/* Handle channel and channel-user modes */
|
||||
|
||||
CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], *mode_ptr;
|
||||
BOOLEAN ok, set, modeok, skiponce;
|
||||
INT mode_arg, arg_arg;
|
||||
CLIENT *client;
|
||||
|
||||
/* Mode request: let's answer it :-) */
|
||||
if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
|
||||
|
||||
/* Is the user allowed to change modes? */
|
||||
if( Client_Type( Client ) == CLIENT_USER )
|
||||
{
|
||||
if( strchr( Channel_UserModes( Channel, Origin ), 'o' )) modeok = TRUE;
|
||||
else modeok = FALSE;
|
||||
if( Conf_OperCanMode )
|
||||
{
|
||||
/* auch IRC-Operatoren duerfen MODE verwenden */
|
||||
if( Client_OperByMe( Origin )) modeok = TRUE;
|
||||
}
|
||||
}
|
||||
else modeok = TRUE;
|
||||
|
||||
mode_arg = 1;
|
||||
mode_ptr = Req->argv[mode_arg];
|
||||
if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
|
||||
else arg_arg = -1;
|
||||
|
||||
/* Initial state: set or unset modes? */
|
||||
skiponce = FALSE;
|
||||
if( *mode_ptr == '-' ) set = FALSE;
|
||||
else if( *mode_ptr == '+' ) set = TRUE;
|
||||
else set = skiponce = TRUE;
|
||||
|
||||
/* Prepare reply string */
|
||||
if( set ) strcpy( the_modes, "+" );
|
||||
else strcpy( the_modes, "-" );
|
||||
strcpy( the_args, " " );
|
||||
|
||||
x[1] = '\0';
|
||||
ok = CONNECTED;
|
||||
while( mode_ptr )
|
||||
{
|
||||
if( ! skiponce ) mode_ptr++;
|
||||
if( ! *mode_ptr )
|
||||
{
|
||||
/* Try next argument if there's any */
|
||||
if( arg_arg > mode_arg ) mode_arg = arg_arg;
|
||||
else mode_arg++;
|
||||
if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
|
||||
else break;
|
||||
if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
|
||||
else arg_arg = -1;
|
||||
}
|
||||
skiponce = FALSE;
|
||||
|
||||
switch( *mode_ptr )
|
||||
{
|
||||
case '+':
|
||||
case '-':
|
||||
if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
|
||||
{
|
||||
/* Action modifier ("+"/"-") must be changed ... */
|
||||
if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
|
||||
{
|
||||
/* Adjust last action modifier in result */
|
||||
the_modes[strlen( the_modes ) - 1] = *mode_ptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Append modifier character to result string */
|
||||
x[0] = *mode_ptr; strcat( the_modes, x );
|
||||
}
|
||||
if( *mode_ptr == '+' ) set = TRUE;
|
||||
else set = FALSE;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Are there arguments left? */
|
||||
if( arg_arg >= Req->argc ) arg_arg = -1;
|
||||
|
||||
x[0] = '\0';
|
||||
client = NULL;
|
||||
if( Client_Type( Client ) == CLIENT_SERVER )
|
||||
{
|
||||
/* MODE request was received from a server:
|
||||
* therefore don't validate but trust it! */
|
||||
x[0] = *mode_ptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Validate modes */
|
||||
switch( *mode_ptr )
|
||||
{
|
||||
/* Channel modes */
|
||||
case 'i':
|
||||
/* Invite-Only */
|
||||
if( modeok ) x[0] = 'i';
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
break;
|
||||
case 'm':
|
||||
/* Moderated */
|
||||
if( modeok ) x[0] = 'm';
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
break;
|
||||
case 'n':
|
||||
/* kein Schreiben in den Channel von aussen */
|
||||
if( modeok ) x[0] = 'n';
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
break;
|
||||
case 't':
|
||||
/* Topic Lock */
|
||||
if( modeok ) x[0] = 't';
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
break;
|
||||
case 'P':
|
||||
/* Persistent channel */
|
||||
if( modeok )
|
||||
{
|
||||
if( set && ( ! Client_OperByMe( Client )))
|
||||
{
|
||||
/* Only IRC operators are allowed to set P mode */
|
||||
ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
|
||||
}
|
||||
else x[0] = 'P';
|
||||
}
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
break;
|
||||
|
||||
/* Channel user modes */
|
||||
case 'o':
|
||||
/* Channel operator */
|
||||
case 'v':
|
||||
/* Voice */
|
||||
if( arg_arg > mode_arg )
|
||||
{
|
||||
if( modeok )
|
||||
{
|
||||
client = Client_Search( Req->argv[arg_arg] );
|
||||
if( client ) x[0] = *mode_ptr;
|
||||
else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] );
|
||||
}
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
arg_arg++;
|
||||
}
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
|
||||
break;
|
||||
|
||||
/* Channel lists */
|
||||
case 'I':
|
||||
/* Invite lists */
|
||||
if( arg_arg > mode_arg )
|
||||
{
|
||||
/* modify list */
|
||||
if( modeok )
|
||||
{
|
||||
if( set ) Add_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
|
||||
else Del_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
|
||||
}
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
arg_arg++;
|
||||
}
|
||||
else Lists_ShowInvites( Origin, Channel );
|
||||
break;
|
||||
case 'b':
|
||||
/* Ban lists */
|
||||
if( arg_arg > mode_arg )
|
||||
{
|
||||
/* modify list */
|
||||
if( modeok )
|
||||
{
|
||||
if( set ) Add_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
|
||||
else Del_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
|
||||
}
|
||||
else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
arg_arg++;
|
||||
}
|
||||
else Lists_ShowBans( Origin, Channel );
|
||||
break;
|
||||
|
||||
default:
|
||||
Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
|
||||
ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
|
||||
x[0] = '\0';
|
||||
}
|
||||
}
|
||||
if( ! ok ) break;
|
||||
|
||||
/* Is there a valid mode change? */
|
||||
if( ! x[0] ) continue;
|
||||
|
||||
if( set )
|
||||
{
|
||||
/* Set mode */
|
||||
if( client )
|
||||
{
|
||||
/* Channel-User-Mode */
|
||||
if( Channel_UserModeAdd( Channel, client, x[0] ))
|
||||
{
|
||||
strcat( the_modes, x );
|
||||
strcat( the_args, Client_ID( client ));
|
||||
strcat( the_args, " " );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Channel-Mode */
|
||||
if( Channel_ModeAdd( Channel, x[0] )) strcat( the_modes, x );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Unset mode */
|
||||
if( client )
|
||||
{
|
||||
/* Channel-User-Mode */
|
||||
if( Channel_UserModeDel( Channel, client, x[0] ))
|
||||
{
|
||||
strcat( the_modes, x );
|
||||
strcat( the_args, Client_ID( client ));
|
||||
strcat( the_args, " " );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Channel-Mode */
|
||||
if( Channel_ModeDel( Channel, x[0] )) strcat( the_modes, x );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Are there changed modes? */
|
||||
if( the_modes[1] )
|
||||
{
|
||||
/* Clean up argument string if there are none */
|
||||
if( ! the_args[1] ) the_args[0] = '\0';
|
||||
|
||||
if( Client_Type( Client ) == CLIENT_SERVER )
|
||||
{
|
||||
/* Forward mode changes to channel users and other servers */
|
||||
IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
|
||||
IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Send reply to client and inform other servers and channel users */
|
||||
ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
|
||||
IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
|
||||
IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
|
||||
}
|
||||
Log( LOG_DEBUG, "User \"%s\" changes modes on %s: %s%s", Client_ID( Origin ), Channel_Name( Channel ), the_modes, the_args );
|
||||
}
|
||||
|
||||
return CONNECTED;
|
||||
} /* Channel_Mode */
|
||||
|
||||
|
||||
GLOBAL BOOLEAN
|
||||
|
|
|
|||
Loading…
Reference in New Issue