- CHAR str[LINE_LEN], *ptr;
- CLIENT *from, *c, *cl;
- CL2CHAN *cl2chan;
- INT max_hops, i;
- CHANNEL *chan;
- BOOLEAN ok;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* Fehler liefern, wenn kein lokaler Client */
- if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
-
- if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
- {
- /* Verbindung soll als Server-Server-Verbindung registriert werden */
- Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Ist dieser Server bei uns konfiguriert? */
- for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
- if( i >= Conf_Server_Count )
- {
- /* Server ist nicht konfiguriert! */
- Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
- Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
- return DISCONNECTED;
- }
- if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
- {
- /* Falsches Passwort */
- Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
- Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
- return DISCONNECTED;
- }
-
- /* Ist ein Server mit dieser ID bereits registriert? */
- if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
-
- /* Server-Strukturen fuellen ;-) */
- Client_SetID( Client, Req->argv[0] );
- Client_SetHops( Client, 1 );
- Client_SetInfo( Client, Req->argv[Req->argc - 1] );
-
- /* Meldet sich der Server bei uns an? */
- if( Req->argc == 2 )
- {
- /* Unseren SERVER- und PASS-Befehl senden */
- ok = TRUE;
- if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
- else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
- if( ! ok )
- {
- Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
- return DISCONNECTED;
- }
- Client_SetIntroducer( Client, Client );
- Client_SetToken( Client, 1 );
- }
- else Client_SetToken( Client, atoi( Req->argv[1] ));
-
- Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
-
- Client_SetType( Client, CLIENT_SERVER );
-
- /* maximalen Hop Count ermitteln */
- max_hops = 0;
- c = Client_First( );
- while( c )
- {
- if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
- c = Client_Next( c );
- }
-
- /* Alle bisherigen Server dem neuen Server bekannt machen,
- * die bisherigen Server ueber den neuen informierenn */
- for( i = 0; i < ( max_hops + 1 ); i++ )
- {
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
- {
- if( Client_Conn( c ) > NONE )
- {
- /* Dem gefundenen Server gleich den neuen
- * Server bekannt machen */
- if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
- }
-
- /* Den neuen Server ueber den alten informieren */
- 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;
- }
- c = Client_Next( c );
- }
- }
-
- /* alle User dem neuen Server bekannt machen */
- c = Client_First( );
- while( c )
- {
- if( Client_Type( c ) == CLIENT_USER )
- {
- /* User an neuen Server melden */
- 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;
- }
- c = Client_Next( c );
- }
-
- /* Channels dem neuen Server bekannt machen */
- chan = Channel_First( );
- while( chan )
- {
- sprintf( str, "NJOIN %s :", Channel_Name( chan ));
-
- /* alle Member suchen */
- cl2chan = Channel_FirstMember( chan );
- while( cl2chan )
- {
- cl = Channel_GetClient( cl2chan );
- assert( cl != NULL );
-
- /* Nick, ggf. mit Modes, anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
- if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
- if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
- strcat( str, Client_ID( cl ));
-
- if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
- {
- /* Zeile senden */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- sprintf( str, "NJOIN %s :", Channel_Name( chan ));
- }
-
- cl2chan = Channel_NextMember( chan, cl2chan );
- }
-
- /* noch Daten da? */
- if( str[strlen( str ) - 1] != ':')
- {
- /* Ja; Also senden ... */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- }
-
- /* naechsten Channel suchen */
- chan = Channel_Next( chan );
- }
-
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Neuer Server wird im Netz angekuendigt */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Ist ein Server mit dieser ID bereits registriert? */
- if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
-
- /* Ueberfluessige Hostnamen aus Info-Text entfernen */
- ptr = strchr( Req->argv[3] + 2, '[' );
- if( ! ptr ) ptr = Req->argv[3];
-
- from = Client_GetFromID( Req->prefix );
- if( ! from )
- {
- /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
- Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
- return DISCONNECTED;
- }
-
- /* Neue Client-Struktur anlegen */
- c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
- if( ! c )
- {
- /* Neue Client-Struktur konnte nicht angelegt werden */
- Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
- return DISCONNECTED;
- }
-
- /* Log-Meldung zusammenbauen und ausgeben */
- if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
- else strcpy( str, "" );
- 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": "" );
-
- /* Andere Server informieren */
- IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
-
- return CONNECTED;
- }
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-} /* IRC_SERVER */
-
-
-GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
-{
- CHAR *channame, *ptr, modes[8];
- BOOLEAN is_op, is_voiced;
- CHANNEL *chan;
- CLIENT *c;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- channame = Req->argv[0];
- ptr = strtok( Req->argv[1], "," );
- while( ptr )
- {
- is_op = is_voiced = FALSE;
-
- /* Prefixe abschneiden */
- while(( *ptr == '@' ) || ( *ptr == '+' ))
- {
- if( *ptr == '@' ) is_op = TRUE;
- if( *ptr == '+' ) is_voiced = TRUE;
- ptr++;
- }
-
- c = Client_GetFromID( ptr );
- if( c )
- {
- Channel_Join( c, channame );
- chan = Channel_Search( channame );
- assert( chan != NULL );
-
- if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
- if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
-
- /* im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
-
- /* Channel-User-Modes setzen */
- strcpy( modes, Channel_UserModes( chan, c ));
- if( modes[0] )
- {
- /* Modes im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
- }
- }
- else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
-
- /* naechsten Nick suchen */
- ptr = strtok( NULL, "," );
- }
-
- /* an andere Server weiterleiten */
- IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
-
- return CONNECTED;
-} /* IRC_NJOIN */
-
-
-GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *intr_c, *target, *c;
- CHAR *modes;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
-#ifndef STRICT_RFC
- 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 ))
-#else
- 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 ))
-#endif
- {
- /* User-Registrierung bzw. Nick-Aenderung */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* "Ziel-Client" ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- target = Client_GetFromID( Req->prefix );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
- }
- else
- {
- /* Ist der Client "restricted"? */
- if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
- target = Client;
- }
-
-#ifndef STRICT_RFC
- /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
- * wir nichts. So macht es das Original und mind. Snak hat probleme,
- * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
- if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
-#endif
-
- /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
- * will nur die Gross- und Kleinschreibung aendern. Das darf
- * er natuerlich machen :-) */
- if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
- {
- if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
- }
-
- /* Nick-Aenderung: allen mitteilen! */
- Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
- if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
- IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
- IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
-
- /* Client-Nick registrieren */
- Client_SetID( target, Req->argv[0] );
-
- if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
- {
- /* Neuer Client */
- Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
- if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTNICK );
- }
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Server fuehrt neuen Client ein */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Nick ueberpruefen */
- c = Client_GetFromID( Req->argv[0] );
- if( c )
- {
- /* Der neue Nick ist auf diesem Server bereits registriert:
- * sowohl der neue, als auch der alte Client muessen nun
- * disconnectiert werden. */
- Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
- Kill_Nick( Req->argv[0] );
- return CONNECTED;
- }
-
- /* Server, zu dem der Client connectiert ist, suchen */
- intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
- if( ! intr_c )
- {
- Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
- Kill_Nick( Req->argv[0] );
- return CONNECTED;
- }
-
- /* Neue Client-Struktur anlegen */
- 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 );
- if( ! c )
- {
- /* Eine neue Client-Struktur konnte nicht angelegt werden.
- * Der Client muss disconnectiert werden, damit der Netz-
- * status konsistent bleibt. */
- Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
- Kill_Nick( Req->argv[0] );
- return CONNECTED;
- }
-
- modes = Client_Modes( c );
- 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": "" );
- 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": "" );
-
- /* Andere Server, ausser dem Introducer, informieren */
- 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] );
-
- return CONNECTED;
- }
- else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
-} /* IRC_NICK */
-
-
-GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
-#ifndef STRICT_RFC
- if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
-#else
- if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
-#endif
- {
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- Client_SetUser( Client, Req->argv[0], FALSE );
- Client_SetInfo( Client, Req->argv[3] );
-
- Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
- if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTUSER );
- return CONNECTED;
- }
- else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
- {
- return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
- }
- else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-} /* IRC_USER */
-
-
-GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
- {
- /* User / Service */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
- else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
-
- return DISCONNECTED;
- }
- else if ( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Server */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- target = Client_Search( Req->prefix );
- if( ! target )
- {
- Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
- return CONNECTED;
- }
-
- if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
- else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
-
- return CONNECTED;
- }
- else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-} /* IRC_QUIT */
-
-
-GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- /* SQUIT ist nur fuer Server erlaubt */
- 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 );
-
- target = Client_GetFromID( Req->argv[0] );
- if( ! target )
- {
- Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
- return CONNECTED;
- }
-
- if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
- else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
-
- /* SQUIT an alle Server weiterleiten */
- IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
-
- if( Client_Conn( target ) > NONE )
- {
- if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
- else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
- return DISCONNECTED;
- }
- else
- {
- Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
- return CONNECTED;
- }
-} /* IRC_SQUIT */
-
-
-GLOBAL BOOLEAN IRC_PING( 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 < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if( Req->argc == 2 )
- {
- /* es wurde ein Ziel-Client angegeben */
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
- if( target != Client_ThisServer( ))
- {
- /* ok, forwarden */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
- return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
- }
- }
-
- Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
- return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
-} /* IRC_PING */
-
-
-GLOBAL BOOLEAN IRC_PONG( 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 < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* 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] );
- if( target != Client_ThisServer( ))
- {
- /* ok, forwarden */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
- return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
- }
- }
-
- /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
- * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
-
- if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %d seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
- else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
-
- return CONNECTED;
-} /* IRC_PONG */
-
-
-GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
-{
- 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 != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- return Show_MOTD( Client );
-} /* IRC_MOTD */
-
-
-GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *to, *from;
- 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 == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- 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 );
-
- to = Client_Search( Req->argv[0] );
- if( to )
- {
- /* Okay, Ziel ist ein User */
- if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
- }
-
- chan = Channel_Search( Req->argv[0] );
- if( chan )
- {
- /* Okay, Ziel ist ein Channel */
- if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
- }
-
- return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
-} /* IRC_PRIVMSG */
-
-
-GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *to, *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 CONNECTED;
-
- 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 );
-
- to = Client_Search( Req->argv[0] );
- if( to )
- {
- /* Okay, Ziel ist ein User */
- return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
- }
- else return CONNECTED;
-} /* IRC_NOTICE */
-
-
-GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
-{
- CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
- CLIENT *cl, *chan_cl, *prefix;
- BOOLEAN set, ok;
- CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- cl = chan_cl = prefix = NULL;
- chan = NULL;
-
- /* Valider Client? */
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Keine Parameter? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Ziel suchen: Client bzw. Channel */
- if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
- if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
-
- /* Kein Ziel gefunden? */
- if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
-
- assert(( cl && chan ) != TRUE );
-
- /* Falsche Anzahl Parameter? */
- if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
- if(( chan ) && (Req->argc == 3 ))
- {
- chan_cl = Client_Search( Req->argv[2] );
- if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
- }
-
- /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
- if( Client_Type( Client ) == CLIENT_USER )
- {
- if( cl )
- {
- /* MODE ist nur fuer sich selber zulaessig! */
- if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
- }
- if( chan )
- {
- /* Darf der User die Channel-Modes ermitteln? */
- }
- }
-
- /* Werden die Modes "nur" erfragt? */
- if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
- if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
-
- mode_ptr = Req->argv[1];
-
- /* Sollen Modes gesetzt oder geloescht werden? */
- if( cl )
- {
- if( *mode_ptr == '+' ) set = TRUE;
- else if( *mode_ptr == '-' ) set = FALSE;
- else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
- mode_ptr++;
- }
- else
- {
- if( *mode_ptr == '-' ) set = FALSE;
- else set = TRUE;
- if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
- }
-
- /* Prefix fuer Antworten etc. ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- prefix = Client_GetFromID( Req->prefix );
- if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- }
- else prefix = Client;
-
- /* Reply-String mit Aenderungen vorbereiten */
- if( set ) strcpy( the_modes, "+" );
- else strcpy( the_modes, "-" );
-
- ok = TRUE;
- x[1] = '\0';
- while( *mode_ptr )
- {
- x[0] = '\0';
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Befehl kommt von einem Server, daher
- * trauen wir ihm "unbesehen" ... */
- x[0] = *mode_ptr;
- }
- else
- {
- /* Modes validieren */
- if( cl )
- {
- /* User-Modes */
- switch( *mode_ptr )
- {
- case 'i':
- /* invisible */
- x[0] = 'i';
- break;
- case 'r':
- /* restricted (kann nur gesetzt werden) */
- if( set ) x[0] = 'r';
- else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
- break;
- case 'o':
- /* operator (kann nur geloescht werden) */
- if( ! set )
- {
- Client_SetOperByMe( Client, FALSE );
- x[0] = 'o';
- }
- else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
- break;
- default:
- Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
- ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
- x[0] = '\0';
- }
- }
- if( chan )
- {
- /* Ist der User ein Channel Operator? */
- if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
- {
- Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
- ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
- break;
- }
-
- /* Channel-Modes oder Channel-User-Modes */
- if( chan_cl )
- {
- /* Channel-User-Modes */
- switch( *mode_ptr )
- {
- case 'o':
- /* Channel Operator */
- x[0] = 'o';
- break;
- case 'v':
- /* Voice */
- x[0] = 'v';
- break;
- default:
- 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 ));
- ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
- x[0] = '\0';
- }
- }
- else
- {
- /* Channel-Modes */
- switch( *mode_ptr )
- {
- case 'a':
- /* Anonymous */
- x[0] = 'a';
- break;
- case 'm':
- /* Moderated */
- x[0] = 'm';
- break;
- case 'n':
- /* kein Schreiben in den Channel von aussen */
- x[0] = 'n';
- break;
- case 'p':
- /* Private */
- x[0] = 'p';
- break;
- case 'q':
- /* Quite */
- x[0] = 'q';
- break;
- case 's':
- /* Secret */
- x[0] = 's';
- break;
- case 't':
- /* Topic Lock */
- x[0] = 't';
- break;
- default:
- Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
- ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
- x[0] = '\0';
- }
- }
- }
- }
- if( ! ok ) break;
-
- mode_ptr++;
- if( ! x[0] ) continue;
-
- /* Okay, gueltigen Mode gefunden */
- if( cl )
- {
- /* Es geht um User-Modes */
- if( set )
- {
- /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
- if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
- }
- else
- {
- /* Modes geloescht. Wenn der Client ihn hatte: merken */
- if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
- }
- }
- if( chan )
- {
- /* Es geht um Channel-Modes oder Channel-User-Modes */
- if( chan_cl )
- {
- /* Channel-User-Modes */
- if( set )
- {
- /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
- if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
- }
- else
- {
- /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
- if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
- }
- }
- else
- {
- /* Channel-Mode */
- if( set )
- {
- /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
- if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
- }
- else
- {
- /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
- if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
- }
- }
- }
- }
-
- /* Wurden Modes geaendert? */
- if( the_modes[1] )
- {
- if( cl )
- {
- /* Client-Mode */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Modes an andere Server forwarden */
- IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), 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 ));
- }
- }
- }