+ BOOLEAN ok, only_ops;
+ CHAR flags[8], *ptr;
+ CL2CHAN *cl2chan;
+ CHANNEL *chan;
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ only_ops = FALSE;
+ chan = NULL;
+
+ if( Req->argc == 2 )
+ {
+ /* Nur OPs anzeigen? */
+ if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
+#ifdef STRICT_RFC
+ else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+#endif
+ }
+
+ if( Req->argc >= 1 )
+ {
+ /* wurde ein Channel oder Nick-Mask angegeben? */
+ chan = Channel_Search( Req->argv[0] );
+ }
+
+ if( chan )
+ {
+ /* User eines Channels ausgeben */
+ if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
+ }
+
+ c = Client_First( );
+ while( c )
+ {
+ if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
+ {
+ ok = FALSE;
+ if( Req->argc == 0 ) ok = TRUE;
+ else
+ {
+ if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
+ else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
+ }
+
+ if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
+ {
+ /* Flags zusammenbasteln */
+ strcpy( flags, "H" );
+ if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
+
+ /* ausgeben */
+ cl2chan = Channel_FirstChannelOf( c );
+ if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
+ else ptr = "*";
+ if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ }
+ }
+
+ /* naechster Client */
+ c = Client_Next( c );
+ }
+
+ if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
+ else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
+ else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
+} /* IRC_WHO */
+
+
+GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
+{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+ INT max, i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc > 5 ) max = 5;
+ else max = Req->argc;
+
+ strcpy( rpl, RPL_USERHOST_MSG );
+ for( i = 0; i < max; i++ )
+ {
+ c = Client_GetFromID( Req->argv[i] );
+ if( c && ( Client_Type( c ) == CLIENT_USER ))
+ {
+ /* Dieser Nick ist "online" */
+ strcat( rpl, Client_ID( c ));
+ if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
+ strcat( rpl, "=" );
+ if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
+ else strcat( rpl, "+" );
+ strcat( rpl, Client_User( c ));
+ strcat( rpl, "@" );
+ strcat( rpl, Client_Hostname( c ));
+ strcat( rpl, " " );
+ }
+ }
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+
+ return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
+} /* IRC_USERHOST */
+
+
+GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
+ else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
+
+ return CONNECTED;
+} /* IRC_ERROR */
+
+
+GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *from;
+
+ 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 > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Absender ermitteln */
+ 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 );
+
+ /* An anderen Server forwarden? */
+ if( Req->argc == 2 )
+ {
+ target = Client_GetFromID( Req->argv[1] );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+ else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
+ }
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ IRC_Send_LUSERS( target );
+
+ return CONNECTED;
+} /* IRC_LUSERS */
+
+
+GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *from, *c;
+ CHAR *mask;
+
+ 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 > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Server-Mask ermitteln */
+ if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
+ else mask = "*";
+
+ /* Absender ermitteln */
+ 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 );
+
+ /* An anderen Server forwarden? */
+ if( Req->argc == 2 )
+ {
+ target = Client_GetFromID( Req->argv[0] );
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
+ else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
+ }
+
+ /* Wer ist der Absender? */
+ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
+ else target = Client;
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ 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;
+ }
+ c = Client_Next( c );
+ }
+
+ return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
+} /* IRC_LINKS */
+
+
+GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *target, *prefix;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ziel suchen */
+ if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
+ else target = Client_ThisServer( );
+
+ /* Prefix ermitteln */
+ if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
+ else prefix = Client;
+ if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
+
+ /* An anderen Server weiterleiten? */
+ if( target != Client_ThisServer( ))
+ {
+ if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
+
+ /* forwarden */
+ IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
+ return CONNECTED;
+ }
+
+ /* mit Versionsinfo antworten */
+ return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
+} /* IRC_VERSION */
+
+
+GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *prefix, *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ prefix = Client_GetFromID( Req->prefix );
+ if( ! prefix )
+ {
+ Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
+ prefix = Client_ThisServer( );
+ }
+
+ Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
+
+ /* andere Server benachrichtigen */
+ IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
+
+ /* haben wir selber einen solchen Client? */
+ c = Client_GetFromID( Req->argv[0] );
+ if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
+
+ return CONNECTED;
+} /* IRC_KILL */
+
+
+GLOBAL BOOLEAN IRC_Show_MOTD( CLIENT *Client )
+{
+ BOOLEAN ok;
+ CHAR line[127];
+ FILE *fd;
+
+ assert( Client != NULL );
+
+ fd = fopen( Conf_MotdFile, "r" );
+ if( ! fd )
+ {
+ Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
+ return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
+ }
+
+ IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
+ while( TRUE )
+ {
+ if( ! fgets( line, 126, fd )) break;
+ if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
+ if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
+ {
+ fclose( fd );
+ return FALSE;
+ }
+ }
+ ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
+
+ fclose( fd );
+
+ return ok;
+} /* IRC_Show_MOTD */
+
+
+GLOBAL BOOLEAN IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
+{
+ BOOLEAN is_visible, is_member;
+ CHAR str[LINE_LEN + 1];
+ CL2CHAN *cl2chan;
+ CLIENT *cl;
+
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
+ else is_member = FALSE;
+
+ /* Alle Mitglieder suchen */
+ sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
+ cl2chan = Channel_FirstMember( Chan );
+ while( cl2chan )
+ {
+ cl = Channel_GetClient( cl2chan );
+
+ if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
+ else is_visible = TRUE;
+
+ if( is_member || is_visible )
+ {
+ /* Nick anhaengen */
+ if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
+ if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
+ else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
+ strcat( str, Client_ID( cl ));
+
+ if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
+ {
+ /* Zeile wird zu lang: senden! */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
+ }
+ }
+
+ /* naechstes Mitglied suchen */
+ cl2chan = Channel_NextMember( Chan, cl2chan );
+ }
+ if( str[strlen( str ) - 1] != ':')
+ {
+ /* Es sind noch Daten da, die gesendet werden muessen */
+ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
+ }
+
+ return CONNECTED;
+} /* IRC_Send_NAMES */
+
+
+GLOBAL BOOLEAN IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
+{
+ BOOLEAN is_visible, is_member;
+ CL2CHAN *cl2chan;
+ CHAR flags[8];
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
+ else is_member = FALSE;
+
+ /* Alle Mitglieder suchen */
+ cl2chan = Channel_FirstMember( Chan );
+ while( cl2chan )
+ {
+ c = Channel_GetClient( cl2chan );
+
+ if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
+ else is_visible = TRUE;
+
+ if( is_member || is_visible )
+ {
+ /* Flags zusammenbasteln */
+ strcpy( flags, "H" );
+ if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
+ if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" );
+ else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" );
+
+ /* ausgeben */
+ if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
+ {
+ if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ }
+ }
+
+ /* naechstes Mitglied suchen */
+ cl2chan = Channel_NextMember( Chan, cl2chan );
+ }
+ return CONNECTED;
+} /* IRC_Send_WHO */
+
+
+GLOBAL BOOLEAN IRC_Send_LUSERS( CLIENT *Client )
+{
+ INT cnt;
+
+ assert( Client != NULL );
+
+ /* Users, Services und Serevr im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
+
+ /* IRC-Operatoren im Netz */
+ cnt = Client_OperCount( );
+ if( cnt > 0 )
+ {
+ if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ }
+
+ /* Unbekannt Verbindungen */
+ cnt = Client_UnknownCount( );
+ if( cnt > 0 )
+ {
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ }
+
+ /* Channels im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
+
+ /* Channels im Netz */
+ if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
+
+ return CONNECTED;
+} /* IRC_Send_LUSERS */