Package org.apache.directory.shared.kerberos.messages

Examples of org.apache.directory.shared.kerberos.messages.Authenticator

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            ApReq authHeader = changepwContext.getAuthHeader();
            Ticket ticket = changepwContext.getTicket();
            ReplayCache replayCache = changepwContext.getConfig().getReplayCache();
            long clockSkew = changepwContext.getConfig().getAllowableClockSkew();

            Authenticator authenticator = changepwContext.getAuthenticator();
            KerberosPrincipal clientPrincipal = KerberosUtils.getKerberosPrincipal(
                authenticator.getCName(), authenticator.getCRealm() );
            String desiredPassword = changepwContext.getPassword();

            InetAddress clientAddress = changepwContext.getClientAddress();
            HostAddresses clientAddresses = ticket.getEncTicketPart().getClientAddresses();
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    }
   
   
    private static void buildReply( ChangePasswordContext changepwContext ) throws KerberosException, UnknownHostException
    {
        Authenticator authenticator = changepwContext.getAuthenticator();
        Ticket ticket = changepwContext.getTicket();
        CipherTextHandler cipherTextHandler = changepwContext.getCipherTextHandler();

        // begin building reply

        // create priv message
        // user-data component is short result code
        EncKrbPrivPart privPart = new EncKrbPrivPart();
        byte[] resultCode =
            { ( byte ) 0x00, ( byte ) 0x00 };
        privPart.setUserData( resultCode );

        privPart.setSenderAddress( new HostAddress( InetAddress.getLocalHost() ) );

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

        EncryptedData encPrivPart;

        try
        {
            encPrivPart = cipherTextHandler.seal( subSessionKey, privPart, KeyUsage.KRB_PRIV_ENC_PART_CHOSEN_KEY );
        }
        catch ( KerberosException ke )
        {
            throw new ChangePasswordException( ErrorType.KRB5_KPASSWD_SOFTERROR, ke );
        }

        PrivateMessage privateMessage = new PrivateMessage( encPrivPart );

        // Begin AP_REP generation
        EncApRepPart repPart = new EncApRepPart();
        repPart.setCTime( authenticator.getCtime() );
        repPart.setCusec( authenticator.getCusec() );
        repPart.setSeqNumber( Integer.valueOf( authenticator.getSeqNumber() ) );
        repPart.setSubkey( authenticator.getSubKey() );

        EncryptedData encRepPart;

        try
        {
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        {
            throw new KerberosException( ErrorType.KRB_AP_ERR_BAD_INTEGRITY, de );
        }

        // get the decoded Authenticator
        Authenticator authenticator = ( ( AuthenticatorContainer ) authenticatorContainer ).getAuthenticator();

        return authenticator;
    }
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    private static void generateTicket( TicketGrantingContext tgsContext ) throws KerberosException, InvalidTicketException
    {
        KdcReq request = tgsContext.getRequest();
        Ticket tgt = tgsContext.getTgt();
        Authenticator authenticator = tgsContext.getAuthenticator();
        CipherTextHandler cipherTextHandler = tgsContext.getCipherTextHandler();
        KerberosPrincipal ticketPrincipal = KerberosUtils.getKerberosPrincipal(
            request.getKdcReqBody().getSName(), request.getKdcReqBody().getRealm() );

        EncryptionType encryptionType = tgsContext.getEncryptionType();
        EncryptionKey serverKey = tgsContext.getRequestPrincipalEntry().getKeyMap().get( encryptionType );

        KdcServer config = tgsContext.getConfig();

        EncTicketPart newTicketPart = new EncTicketPart();

        newTicketPart.setClientAddresses( tgt.getEncTicketPart().getClientAddresses() );

        processFlags( config, request, tgt, newTicketPart );

        EncryptionKey sessionKey = RandomKeyFactory.getRandomKey( tgsContext.getEncryptionType() );
        newTicketPart.setKey( sessionKey );

        newTicketPart.setCName( tgt.getEncTicketPart().getCName() );
        newTicketPart.setCRealm( tgt.getEncTicketPart().getCRealm() );

        if ( request.getKdcReqBody().getEncAuthorizationData() != null )
        {
            byte[] authorizationData = cipherTextHandler.decrypt( authenticator.getSubKey(), request.getKdcReqBody().getEncAuthorizationData(), KeyUsage.TGS_REQ_KDC_REQ_BODY_AUTHZ_DATA_ENC_WITH_TGS_SESS_KEY );
            AuthorizationData authData = KerberosDecoder.decodeAuthorizationData( authorizationData );
            authData.addEntry( tgt.getEncTicketPart().getAuthorizationData().getCurrentAD() );
            newTicketPart.setAuthorizationData( authData );
        }
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        }

        EncTgsRepPart encTgsRepPart = new EncTgsRepPart();
        encTgsRepPart.setEncKdcRepPart( encKdcRepPart );
       
        Authenticator authenticator = tgsContext.getAuthenticator();
       
        EncryptedData encryptedData;
       
        if ( authenticator.getSubKey() != null )
        {
            encryptedData = cipherTextHandler.seal( authenticator.getSubKey(), encTgsRepPart, KeyUsage.TGS_REP_ENC_PART_TGS_AUTHNT_SUB_KEY );
        }
        else
        {
            encryptedData = cipherTextHandler.seal( tgt.getEncTicketPart().getKey(), encTgsRepPart, KeyUsage.TGS_REP_ENC_PART_TGS_SESS_KEY );
        }
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        EncTicketPart encPart = KerberosDecoder.decodeEncTicketPart( encTicketPartData );
        ticket.setEncTicketPart( encPart );

        byte[] authenticatorData = lockBox.decrypt( ticket.getEncTicketPart().getKey(),  authHeader.getAuthenticator(), authenticatorKeyUsage );
       
        Authenticator authenticator = KerberosDecoder.decodeAuthenticator( authenticatorData );

        if ( !authenticator.getCName().getNameString().equals( ticket.getEncTicketPart().getCName().getNameString() ) )
        {
            throw new KerberosException( ErrorType.KRB_AP_ERR_BADMATCH );
        }

        if ( ticket.getEncTicketPart().getClientAddresses() != null )
        {
            if ( !ticket.getEncTicketPart().getClientAddresses().contains( new HostAddress( clientAddress ) ) )
            {
                throw new KerberosException( ErrorType.KRB_AP_ERR_BADADDR );
            }
        }
        else
        {
            if ( !emptyAddressesAllowed )
            {
                throw new KerberosException( ErrorType.KRB_AP_ERR_BADADDR );
            }
        }

        KerberosPrincipal serverPrincipal = KerberosUtils.getKerberosPrincipal( ticket.getSName(), ticket.getRealm() );
        KerberosPrincipal clientPrincipal = KerberosUtils.getKerberosPrincipal( authenticator.getCName(), authenticator.getCRealm() );
        KerberosTime clientTime = authenticator.getCtime();
        int clientMicroSeconds = authenticator.getCusec();

        if ( replayCache != null )
        {
            if ( replayCache.isReplay( serverPrincipal, clientPrincipal, clientTime, clientMicroSeconds ) )
            {
                throw new KerberosException( ErrorType.KRB_AP_ERR_REPEAT );
            }
   
            replayCache.save( serverPrincipal, clientPrincipal, clientTime, clientMicroSeconds );
        }

        if ( !authenticator.getCtime().isInClockSkew( clockSkew ) )
        {
            throw new KerberosException( ErrorType.KRB_AP_ERR_SKEW );
        }

        /*
 
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        catch ( DecoderException de )
        {
            fail( de.getMessage() );
        }

        Authenticator authenticator = ((AuthenticatorContainer)authenticatorContainer).getAuthenticator();
       
        // Check the encoding
        int length = authenticator.computeLength();

        // Check the length
        assertEquals( 0x95, length );
       
        // Check the encoding
        ByteBuffer encodedPdu = ByteBuffer.allocate( length );
       
        try
        {
            encodedPdu = authenticator.encode( encodedPdu );
           
            // Check the length
            assertEquals( 0x95, encodedPdu.limit() );
            assertEquals( decodedPdu, Strings.dumpBytes(encodedPdu.array()) );
        }
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            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04067 ) );
        }

        Authenticator authenticator = new Authenticator();
        authenticatorContainer.setAuthenticator( authenticator );

        if ( IS_DEBUG )
        {
            LOG.debug( "Authenticator created" );
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    public void execute( NextCommand next, IoSession session, Object message ) throws Exception
    {
        ChangePasswordContext changepwContext = ( ChangePasswordContext ) session.getAttribute( getContextKey() );

        ChangePasswordServer config = changepwContext.getConfig();
        Authenticator authenticator = changepwContext.getAuthenticator();
        KerberosPrincipal clientPrincipal = KerberosUtils.getKerberosPrincipal(
            authenticator.getCName(), authenticator.getCRealm() );

        String password = changepwContext.getPassword();
        String username = clientPrincipal.getName();

        int passwordLength = config.getPasswordLengthPolicy();
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        ReplayCache replayCache = tgsContext.getConfig().getReplayCache();
        boolean emptyAddressesAllowed = tgsContext.getConfig().isEmptyAddressesAllowed();
        InetAddress clientAddress = tgsContext.getClientAddress();
        CipherTextHandler cipherTextHandler = tgsContext.getCipherTextHandler();

        Authenticator authenticator = verifyAuthHeader( authHeader, tgt, serverKey, clockSkew, replayCache,
            emptyAddressesAllowed, clientAddress, cipherTextHandler, KeyUsage.TGS_REQ_PA_TGS_REQ_PADATA_AP_REQ_TGS_SESS_KEY, isValidate );

        tgsContext.setAuthenticator( authenticator );
    }
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Related Classes of org.apache.directory.shared.kerberos.messages.Authenticator

  • org.apache.directory.kerberos.client.KdcConnection
  • org.apache.directory.kerberos.client.KpasswdDecode
  • org.apache.directory.server.changepw.protocol.ChangepwProtocolHandlerTest
  • org.apache.directory.server.changepw.service.ChangePasswordService
  • org.apache.directory.server.changepw.service.CheckPasswordPolicy
  • org.apache.directory.server.kerberos.changepwd.service.ChangePasswordService
  • org.apache.directory.server.kerberos.kdc.ticketgrant.TicketGrantingService
  • org.apache.directory.server.kerberos.protocol.AbstractTicketGrantingServiceTest
  • org.apache.directory.server.kerberos.protocol.codec.KerberosDecoder
  • org.apache.directory.server.kerberos.protocol.KerberosDecoder
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