- CLIENT *from, *target, *c;
- CHAR str[LINE_LEN + 1], *ptr = NULL;
- CL2CHAN *cl2chan;
- CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Client suchen */
- c = Client_GetFromID( Req->argv[Req->argc - 1] );
- if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
-
- /* Empfaenger des WHOIS suchen */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- /* Forwarden an anderen Server? */
- if( Req->argc > 1 )
- {
- /* angegebenen Ziel-Server suchen */
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- ptr = Req->argv[1];
- }
- else target = Client_ThisServer( );
-
- assert( target != NULL );
-
- if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
-
- /* Nick, User und Name */
- if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
-
- /* Server */
- 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;
-
- /* Channels */
- sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- cl2chan = Channel_FirstChannelOf( c );
- while( cl2chan )
- {
- chan = Channel_GetChannel( cl2chan );
- assert( chan != NULL );
-
- /* Channel-Name anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
- if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
- if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
- strcat( str, Channel_Name( chan ));
-
- if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
- {
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- }
-
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextChannelOf( c, cl2chan );
- }
- if( str[strlen( str ) - 1] != ':')
- {
- /* Es sind noch Daten da, die gesendet werden muessen */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- }
-
- /* IRC-Operator? */
- if( Client_HasMode( c, 'o' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
- }
-
- /* Idle (nur lokale Clients) */
- if( Client_Conn( c ) > NONE )
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
- }
-
- /* Away? */
- if( Client_HasMode( c, 'a' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
- }
-
- /* End of Whois */
- return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
-} /* IRC_WHOIS */
-