Package org.apache.directory.shared.asn1.der

Examples of org.apache.directory.shared.asn1.der.ASN1InputStream

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        // a FF, it's a TRUE. Any other value should be an error,
        // but we could relax this constraint. So if we have
        // something
        // which is not 0, it will be interpreted as TRUE, but we
        // will generate a warning.
        Value value = tlv.getValue();

        try
        {
            extensibleMatchFilter.setDnAttributes( BooleanDecoder.parse( value ) );
        }
        catch ( BooleanDecoderException bde )
        {
            LOG.error( I18n
                .err( I18n.ERR_04110, Strings.dumpBytes( value.getData() ), bde.getMessage() ) );

            throw new DecoderException( bde.getMessage() );
        }

        if ( IS_DEBUG )
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                new GrammarAction( "Stores CancelId" )
                {
                    public void action( Asn1Container container ) throws DecoderException
                    {
                        CancelContainer cancelContainer = ( CancelContainer ) container;
                        Value value = cancelContainer.getCurrentTLV().getValue();

                        try
                        {
                            int cancelId = IntegerDecoder.parse( value, 0, Integer.MAX_VALUE );

                            if ( IS_DEBUG )
                            {
                                LOG.debug( "CancelId = " + cancelId );
                            }

                            cancelContainer.getCancel().setCancelId( cancelId );
                            cancelContainer.setGrammarEndAllowed( true );
                        }
                        catch ( IntegerDecoderException e )
                        {
                            String msg = I18n.err( I18n.ERR_04031, Strings.dumpBytes( value.getData() ) );
                            LOG.error( msg );
                            throw new DecoderException( msg );
                        }
                    }
                } );
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                        // a FF, it's a TRUE. Any other value should be an error,
                        // but we could relax this constraint. So if we have
                        // something
                        // which is not 0, it will be interpreted as TRUE, but we
                        // will generate a warning.
                        Value value = tlv.getValue();

                        try
                        {
                            container.getSubentriesControl().setVisibility( BooleanDecoder.parse( value ) );

                            // We can have an END transition
                            container.setGrammarEndAllowed( true );
                        }
                        catch ( BooleanDecoderException bde )
                        {
                            LOG.error( I18n.err( I18n.ERR_04054, Strings.dumpBytes( value.getData() ), bde.getMessage() ) );

                            // This will generate a PROTOCOL_ERROR
                            throw new DecoderException( bde.getMessage() );
                        }
                    }
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                UniversalTag.ENUMERATED.getValue(),
                new GrammarAction<EntryChangeContainer>( "Set EntryChangeControl changeType" )
                {
                    public void action( EntryChangeContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        try
                        {
                            int change = IntegerDecoder.parse( value, 1, 8 );

                            switch ( ChangeType.getChangeType( change ) )
                            {
                                case ADD:
                                case DELETE:
                                case MODDN:
                                case MODIFY:
                                    ChangeType changeType = ChangeType.getChangeType( change );

                                    if ( IS_DEBUG )
                                    {
                                        LOG.debug( "changeType = " + changeType );
                                    }

                                    container.getEntryChangeDecorator().setChangeType( changeType );
                                    break;

                                default:
                                    String msg = I18n.err( I18n.ERR_04044 );
                                    LOG.error( msg );
                                    throw new DecoderException( msg );
                            }

                            // We can have an END transition
                            container.setGrammarEndAllowed( true );
                        }
                        catch ( IntegerDecoderException e )
                        {
                            String msg = I18n.err( I18n.ERR_04044 );
                            LOG.error( msg, e );
                            throw new DecoderException( msg );
                        }
                        catch ( IllegalArgumentException e )
                        {
                            throw new DecoderException( e.getLocalizedMessage() );
                        }
                    }
                } );

        // ============================================================================================
        // Transition from Change Type to Previous Dn
        // ============================================================================================
        // EntryChangeNotification ::= SEQUENCE {
        //     ...
        //     previousDN LDAPDN OPTIONAL,
        //     ...
        //
        // Set the previousDN into the structure. We first check that it's a
        // valid Dn
        super.transitions[EntryChangeStates.CHANGE_TYPE_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] =
            new GrammarTransition<EntryChangeContainer>( EntryChangeStates.CHANGE_TYPE_STATE,
                EntryChangeStates.PREVIOUS_DN_STATE,
                UniversalTag.OCTET_STRING.getValue(),
                new GrammarAction<EntryChangeContainer>( "Set EntryChangeControl previousDN" )
                {
                    public void action( EntryChangeContainer container ) throws DecoderException
                    {
                        ChangeType changeType = container.getEntryChangeDecorator().getChangeType();

                        if ( changeType != ChangeType.MODDN )
                        {
                            LOG.error( I18n.err( I18n.ERR_04045 ) );
                            throw new DecoderException( I18n.err( I18n.ERR_04046 ) );
                        }
                        else
                        {
                            Value value = container.getCurrentTLV().getValue();
                            Dn previousDn;

                            try
                            {
                                previousDn = new Dn( Strings.utf8ToString( value.getData() ) );
                            }
                            catch ( LdapInvalidDnException ine )
                            {
                                LOG.error( I18n.err( I18n.ERR_04047, Strings.dumpBytes( value.getData() ) ) );
                                throw new DecoderException( I18n.err( I18n.ERR_04048 ) );
                            }

                            if ( IS_DEBUG )
                            {
                                LOG.debug( "previousDN = " + previousDn );
                            }

                            container.getEntryChangeDecorator().setPreviousDn( previousDn );

                            // We can have an END transition
                            container.setGrammarEndAllowed( true );
                        }
                    }
                } );

        // Change Number action
        GrammarAction<EntryChangeContainer> setChangeNumberAction = new GrammarAction<EntryChangeContainer>(
            "Set EntryChangeControl changeNumber" )
        {
            public void action( EntryChangeContainer container ) throws DecoderException
            {
                Value value = container.getCurrentTLV().getValue();

                try
                {
                    long changeNumber = LongDecoder.parse( value );
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                UniversalTag.INTEGER.getValue(),
                new GrammarAction<PersistentSearchContainer>( "Set PSearchControl changeTypes" )
                {
                    public void action( PersistentSearchContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        try
                        {
                            // Check that the value is into the allowed interval
                            int changeTypes = IntegerDecoder.parse( value,
                                PersistentSearch.CHANGE_TYPES_MIN,
                                PersistentSearch.CHANGE_TYPES_MAX );

                            if ( IS_DEBUG )
                            {
                                LOG.debug( "changeTypes = " + changeTypes );
                            }

                            container.getPersistentSearchDecorator().setChangeTypes( changeTypes );
                        }
                        catch ( IntegerDecoderException e )
                        {
                            String msg = I18n.err( I18n.ERR_04051 );
                            LOG.error( msg, e );
                            throw new DecoderException( msg );
                        }
                    }
                } );

        /**
         * Transition from Change types to Changes only
         * PSearch ::= SEQUENCE OF {
         *     ...
         *     changeOnly   BOOLEAN,
         *     ...
         *    
         * Stores the change only flag
         */
        super.transitions[PersistentSearchStates.CHANGE_TYPES_STATE.ordinal()][UniversalTag.BOOLEAN.getValue()] =
            new GrammarTransition<PersistentSearchContainer>( PersistentSearchStates.CHANGE_TYPES_STATE,
                PersistentSearchStates.CHANGES_ONLY_STATE, UniversalTag.BOOLEAN.getValue(),
                new GrammarAction<PersistentSearchContainer>( "Set PSearchControl changesOnly" )
                {
                    public void action( PersistentSearchContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        try
                        {
                            boolean changesOnly = BooleanDecoder.parse( value );

                            if ( IS_DEBUG )
                            {
                                LOG.debug( "changesOnly = " + changesOnly );
                            }

                            container.getPersistentSearchDecorator().setChangesOnly( changesOnly );
                        }
                        catch ( BooleanDecoderException e )
                        {
                            String msg = I18n.err( I18n.ERR_04052 );
                            LOG.error( msg, e );
                            throw new DecoderException( msg );
                        }
                    }
                } );

        /**
         * Transition from Change types to Changes only
         * PSearch ::= SEQUENCE OF {
         *     ...
         *     returnECs    BOOLEAN
         * }
         *    
         * Stores the return ECs flag
         */
        super.transitions[PersistentSearchStates.CHANGES_ONLY_STATE.ordinal()][UniversalTag.BOOLEAN.getValue()] =
            new GrammarTransition<PersistentSearchContainer>( PersistentSearchStates.CHANGES_ONLY_STATE,
                PersistentSearchStates.RETURN_ECS_STATE, UniversalTag.BOOLEAN.getValue(),
                new GrammarAction<PersistentSearchContainer>( "Set PSearchControl returnECs" )
                {
                    public void action( PersistentSearchContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        try
                        {
                            boolean returnECs = BooleanDecoder.parse( value );

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                UniversalTag.INTEGER.getValue(),
                new GrammarAction<PagedResultsContainer>( "Set PagedSearchControl size" )
                {
                    public void action( PagedResultsContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        try
                        {
                            // Check that the value is into the allowed interval
                            int size = IntegerDecoder.parse( value, Integer.MIN_VALUE, Integer.MAX_VALUE );

                            // We allow negative value to absorb a bug in some M$ client.
                            // Those negative values will be transformed to Integer.MAX_VALUE.
                            if ( size < 0 )
                            {
                                size = Integer.MAX_VALUE;
                            }

                            if ( IS_DEBUG )
                            {
                                LOG.debug( "size = " + size );
                            }

                            container.getDecorator().setSize( size );
                        }
                        catch ( IntegerDecoderException e )
                        {
                            String msg = I18n.err( I18n.ERR_04050 );
                            LOG.error( msg, e );
                            throw new DecoderException( msg );
                        }
                    }
                } );

        /**
         * Transition from size to cookie
         * realSearchControlValue ::= SEQUENCE OF {
         *     ...
         *     cookie   OCTET STRING
         * }
         *    
         * Stores the cookie flag
         */
        super.transitions[PagedResultsStates.SIZE_STATE.ordinal()][UniversalTag.OCTET_STRING.getValue()] =
            new GrammarTransition<PagedResultsContainer>( PagedResultsStates.SIZE_STATE,
                PagedResultsStates.COOKIE_STATE, UniversalTag.OCTET_STRING.getValue(),
                new GrammarAction<PagedResultsContainer>( "Set PagedSearchControl cookie" )
                {
                    public void action( PagedResultsContainer container ) throws DecoderException
                    {
                        Value value = container.getCurrentTLV().getValue();

                        if ( container.getCurrentTLV().getLength() == 0 )
                        {
                            container.getDecorator().setCookie( StringConstants.EMPTY_BYTES );
                        }
                        else
                        {
                            container.getDecorator().setCookie( value.getData() );
                        }

                        // We can have an END transition
                        container.setGrammarEndAllowed( true );
                    }
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        // The current TLV should be a integer
        // We get it and store it in MessageId
        TLV tlv = container.getCurrentTLV();

        Value value = tlv.getValue();

        if ( ( value == null ) || ( value.getData() == null ) )
        {
            String msg = I18n.err( I18n.ERR_04075 );
            LOG.error( msg );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( msg );
        }

        try
        {
            int abandonnedMessageId = IntegerDecoder.parse( value, 0, Integer.MAX_VALUE );

            abandonRequest.setAbandoned( abandonnedMessageId );

            if ( IS_DEBUG )
            {
                LOG
                    .debug( "AbandonMessage Id has been decoded : {}", Integer
                        .valueOf( abandonnedMessageId ) );
            }

            container.setGrammarEndAllowed( true );

            return;
        }
        catch ( IntegerDecoderException ide )
        {
            LOG.error( I18n
                .err( I18n.ERR_04076, Strings.dumpBytes( value.getData() ), ide.getMessage() ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( ide.getMessage(), ide );
        }
    }
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            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( I18n.err( I18n.ERR_04069 ) );
        }

        Value value = tlv.getValue();

        try
        {
            int messageId = IntegerDecoder.parse( value, 0, Integer.MAX_VALUE );

            container.setMessageId( messageId );

            if ( IS_DEBUG )
            {
                LOG.debug( "Ldap Message Id has been decoded : " + messageId );
            }
        }
        catch ( IntegerDecoderException ide )
        {
            LOG.error( I18n.err( I18n.ERR_04070, Strings.dumpBytes( value.getData() ), ide
                .getLocalizedMessage() ) );

            // This will generate a PROTOCOL_ERROR
            throw new DecoderException( ide.getMessage() );
        }
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    }


    public Encodable decode( byte[] encodedAuthData ) throws IOException
    {
        ASN1InputStream ais = new ASN1InputStream( encodedAuthData );

        DERSequence sequence = ( DERSequence ) ais.readObject();

        return decodeSequence( sequence );
    }
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     * @return The {@link PaData}.
     * @throws IOException
     */
    public PaData decode( byte[] encodedPreAuthData ) throws IOException
    {
        ASN1InputStream ais = new ASN1InputStream( encodedPreAuthData );

        DERSequence sequence = ( DERSequence ) ais.readObject();

        return decode( sequence );
    }
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  • org.apache.directory.shared.asn1.actions.AbstractReadInteger
  • org.apache.directory.shared.asn1.actions.AbstractReadOctetString
  • org.apache.directory.shared.asn1.actions.CheckNotNullLength
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  • org.apache.directory.shared.asn1.ber.tlv.Value
  • org.apache.directory.shared.asn1.util.OID
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