Package org.apache.directory.server.kerberos.changepwd.messages

Examples of org.apache.directory.server.kerberos.changepwd.messages.ChangePasswordRequest

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    private static void monitorRequest( ChangePasswordContext changepwContext ) throws KerberosException
    {
        try
        {
            ChangePasswordRequest request = ( ChangePasswordRequest ) changepwContext.getRequest();
            short versionNumber = request.getVersionNumber();

            StringBuffer sb = new StringBuffer();
            sb.append( "Responding to change password request:" );
            sb.append( "\n\t" + "versionNumber    " + versionNumber );
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    }
   
   
    private static void getAuthHeader( ChangePasswordContext changepwContext ) throws KerberosException
    {
        ChangePasswordRequest request = ( ChangePasswordRequest ) changepwContext.getRequest();

        short pvno = request.getVersionNumber();
       
        if ( ( pvno != AbstractPasswordMessage.PVNO ) && ( pvno != AbstractPasswordMessage.OLD_PVNO ) )
        {
            throw new ChangePasswordException( ChangePasswdErrorType.KRB5_KPASSWD_BAD_VERSION );
        }

        if ( request.getAuthHeader() == null || request.getAuthHeader().getTicket() == null )
        {
            throw new ChangePasswordException( ChangePasswdErrorType.KRB5_KPASSWD_AUTHERROR );
        }

        ApReq authHeader = request.getAuthHeader();
        Ticket ticket = authHeader.getTicket();

        changepwContext.setAuthHeader( authHeader );
        changepwContext.setTicket( ticket );
    }
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    }
   
   
    private static void extractPassword( ChangePasswordContext changepwContext ) throws Exception
    {
        ChangePasswordRequest request = ( ChangePasswordRequest ) changepwContext.getRequest();
        Authenticator authenticator = changepwContext.getAuthenticator();
        CipherTextHandler cipherTextHandler = changepwContext.getCipherTextHandler();

        // get the subsession key from the Authenticator
        EncryptionKey subSessionKey = authenticator.getSubKey();

        // decrypt the request's private message with the subsession key
        EncryptedData encReqPrivPart = request.getPrivateMessage().getEncPart();

        ChangePasswdData passwordData = null;
       
        try
        {
            byte[] decryptedData = cipherTextHandler.decrypt( subSessionKey, encReqPrivPart, KeyUsage.KRB_PRIV_ENC_PART_CHOSEN_KEY );
            EncKrbPrivPart privatePart = KerberosDecoder.decodeEncKrbPrivPart( decryptedData );

            if( authenticator.getSeqNumber() != privatePart.getSeqNumber() )
            {
                throw new ChangePasswordException( ChangePasswdErrorType.KRB5_KPASSWD_MALFORMED );   
            }
           
            if ( request.getVersionNumber() == AbstractPasswordMessage.OLD_PVNO )
            {
                passwordData = new ChangePasswdData();
                passwordData.setNewPasswd( privatePart.getUserData() );
            }
            else
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    public void messageReceived( IoSession session, Object message )
    {
        log.debug( "{} RCVD:  {}", session.getRemoteAddress(), message );

        InetAddress clientAddress = ( ( InetSocketAddress ) session.getRemoteAddress() ).getAddress();
        ChangePasswordRequest request = ( ChangePasswordRequest ) message;

        try
        {
            ChangePasswordContext changepwContext = new ChangePasswordContext();
            changepwContext.setConfig( server.getConfig() );
            changepwContext.setStore( store );
            changepwContext.setClientAddress( clientAddress );
            changepwContext.setRequest( request );
            changepwContext.setReplayCache( server.getReplayCache() );
            session.setAttribute( getContextKey(), changepwContext );

            ChangePasswordService.execute( session, changepwContext );

            session.write( changepwContext.getReply() );
        }
        catch ( KerberosException ke )
        {
            if ( log.isDebugEnabled() )
            {
                log.warn( ke.getLocalizedMessage(), ke );
            }
            else
            {
                log.warn( ke.getLocalizedMessage() );
            }

            KrbError errorMessage = getErrorMessage( server.getConfig().getServicePrincipal(), ke );

            session.write( new ChangePasswordError( request.getVersionNumber(), errorMessage ) );
        }
        catch ( Exception e )
        {
            log.error( I18n.err( I18n.ERR_152, e.getLocalizedMessage() ), e );

            KrbError error = getErrorMessage( server.getConfig().getServicePrincipal(), new ChangePasswordException(
                ChangePasswdErrorType.KRB5_KPASSWD_UNKNOWN_ERROR ) );
            session.write( new ChangePasswordError( request.getVersionNumber(), error ) );
        }
    }
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    public void decodeApReq( byte[] kpasswdApReqpkt ) throws Exception
    {
        ByteBuffer chngpwdReqData = ByteBuffer.wrap( kpasswdApReqpkt );
       
        ChangePasswordRequest chngPwdReq = ( ChangePasswordRequest ) ChangePasswordDecoder.decode( chngpwdReqData, false );

        ApReq apReq = chngPwdReq.getAuthHeader();
        byte[] decryptedAuthenticator = cipherTextHandler.decrypt( sessionKey, apReq.getAuthenticator(), KeyUsage.AP_REQ_AUTHNT_SESS_KEY );
        Authenticator authenticator = KerberosDecoder.decodeAuthenticator( decryptedAuthenticator );
        subSessionKey = authenticator.getSubKey();
    }
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            }
           
            EncryptedData encKrbPrivPartData = cipherTextHandler.encrypt( subKey, getEncoded( part ), KeyUsage.KRB_PRIV_ENC_PART_CHOSEN_KEY );
            privateMessage.setEncPart( encKrbPrivPartData );
           
            ChangePasswordRequest req = new ChangePasswordRequest( changePwdPVNO, apReq, privateMessage );
           
            channel = new KerberosChannel();
            channel.openConnection( config.getHostName(), config.getPasswdPort(), config.getTimeout(), config.isUseUdp() );
           
            AbstractPasswordMessage reply = sendAndReceiveChngPwdMsg( req, channel );
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    public void messageReceived( IoSession session, Object message )
    {
        log.debug( "{} RCVD:  {}", session.getRemoteAddress(), message );

        InetAddress clientAddress = ( ( InetSocketAddress ) session.getRemoteAddress() ).getAddress();
        ChangePasswordRequest request = ( ChangePasswordRequest ) message;

        try
        {
            ChangePasswordContext changepwContext = new ChangePasswordContext();
            changepwContext.setConfig( server.getConfig() );
            changepwContext.setStore( store );
            changepwContext.setClientAddress( clientAddress );
            changepwContext.setRequest( request );
            changepwContext.setReplayCache( server.getReplayCache() );
            session.setAttribute( getContextKey(), changepwContext );

            ChangePasswordService.execute( session, changepwContext );

            session.write( changepwContext.getReply() );
        }
        catch ( KerberosException ke )
        {
            if ( log.isDebugEnabled() )
            {
                log.warn( ke.getLocalizedMessage(), ke );
            }
            else
            {
                log.warn( ke.getLocalizedMessage() );
            }

            KrbError errorMessage = getErrorMessage( server.getConfig().getServicePrincipal(), ke );

            session.write( new ChangePasswordError( request.getVersionNumber(), errorMessage ) );
        }
        catch ( Exception e )
        {
            log.error( I18n.err( I18n.ERR_152, e.getLocalizedMessage() ), e );

            KrbError error = getErrorMessage( server.getConfig().getServicePrincipal(), new ChangePasswordException(
                ChangePasswdErrorType.KRB5_KPASSWD_UNKNOWN_ERROR ) );
            session.write( new ChangePasswordError( request.getVersionNumber(), error ) );
        }
    }
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            }
           
            EncryptedData encKrbPrivPartData = cipherTextHandler.encrypt( subKey, getEncoded( part ), KeyUsage.KRB_PRIV_ENC_PART_CHOSEN_KEY );
            privateMessage.setEncPart( encKrbPrivPartData );
           
            ChangePasswordRequest req = new ChangePasswordRequest( changePwdPVNO, apReq, privateMessage );
           
            channel = new KerberosChannel();
            channel.openConnection( config.getHostName(), config.getPasswdPort(), config.getTimeout(), config.isUseUdp() );
           
            AbstractPasswordMessage reply = sendAndReceiveChngPwdMsg( req, channel );
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Related Classes of org.apache.directory.server.kerberos.changepwd.messages.ChangePasswordRequest

  • org.apache.directory.kerberos.client.KdcConnection
  • org.apache.directory.kerberos.client.KpasswdDecode
  • org.apache.directory.server.kerberos.changepwd.protocol.ChangePasswordProtocolHandler
  • org.apache.directory.server.kerberos.changepwd.service.ChangePasswordService
  • org.apache.directory.shared.kerberos.messages.ApReq
  • org.apache.directory.shared.kerberos.messages.KrbPriv
  • org.apache.directory.server.kerberos.changepwd.exceptions.ChangePasswordException
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