| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| package org.apache.directory.studio.valueeditors.msad; |
| |
| |
| import org.apache.commons.codec.binary.Hex; |
| import org.apache.directory.studio.ldapbrowser.core.model.IValue; |
| import org.apache.directory.studio.valueeditors.HexValueEditor; |
| |
| |
| /** |
| * Implementation of IValueEditor for Microsoft Active Directory attribute 'objectSid'. |
| * |
| * Currently only the getDisplayValue() method is implemented. |
| * For modification the raw string must be edited. |
| * |
| * See <a href="http://msdn.microsoft.com/en-us/library/cc230371(PROT.10).aspx"> |
| * http://msdn.microsoft.com/en-us/library/cc230371(PROT.10).aspx</a> for details. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class InPlaceMsAdObjectSidValueEditor extends HexValueEditor |
| { |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getDisplayValue( IValue value ) |
| { |
| if ( !showRawValues() ) |
| { |
| Object rawValue = super.getRawValue( value ); |
| |
| if ( rawValue instanceof byte[] ) |
| { |
| byte[] bytes = ( byte[] ) rawValue; |
| |
| return convertToString( bytes ); |
| } |
| } |
| |
| return super.getDisplayValue( value ); |
| } |
| |
| |
| protected String convertToString( byte[] bytes ) |
| { |
| /* |
| * The binary data structure, from http://msdn.microsoft.com/en-us/library/cc230371(PROT.10).aspx: |
| * byte[0] - Revision (1 byte): An 8-bit unsigned integer that specifies the revision level of the SID structure. This value MUST be set to 0x01. |
| * byte[1] - SubAuthorityCount (1 byte): An 8-bit unsigned integer that specifies the number of elements in the SubAuthority array. The maximum number of elements allowed is 15. |
| * byte[2-7] - IdentifierAuthority (6 bytes): A SID_IDENTIFIER_AUTHORITY structure that contains information, which indicates the authority under which the SID was created. It describes the entity that created the SID and manages the account. |
| * Six element arrays of 8-bit unsigned integers that specify the top-level authority |
| * big-endian! |
| * and then - SubAuthority (variable): A variable length array of unsigned 32-bit integers that uniquely identifies a principal relative to the IdentifierAuthority. Its length is determined by SubAuthorityCount. |
| * little-endian! |
| */ |
| |
| if ( ( bytes == null ) || ( bytes.length < 8 ) ) |
| { |
| return Messages.getString( "InPlaceMsAdObjectSidValueEditor.InvalidSid" ); //$NON-NLS-1$ |
| } |
| |
| char[] hex = Hex.encodeHex( bytes ); |
| StringBuffer sb = new StringBuffer(); |
| |
| // start with 'S' |
| sb.append( 'S' ); |
| |
| // revision |
| int revision = Integer.parseInt( new String( hex, 0, 2 ), 16 ); |
| sb.append( '-' ); |
| sb.append( revision ); |
| |
| // get count |
| int count = Integer.parseInt( new String( hex, 2, 2 ), 16 ); |
| |
| // check length |
| if ( bytes.length != ( 8 + count * 4 ) ) |
| { |
| return Messages.getString( "InPlaceMsAdObjectSidValueEditor.InvalidSid" ); //$NON-NLS-1$ |
| } |
| |
| // get authority, big-endian |
| long authority = Long.parseLong( new String( hex, 4, 12 ), 16 ); |
| sb.append( '-' ); |
| sb.append( authority ); |
| |
| // sub-authorities, little-endian |
| for ( int i = 0; i < count; i++ ) |
| { |
| StringBuffer rid = new StringBuffer(); |
| |
| for ( int k = 3; k >= 0; k-- ) |
| { |
| rid.append( hex[16 + ( i * 8 ) + ( k * 2 )] ); |
| rid.append( hex[16 + ( i * 8 ) + ( k * 2 ) + 1] ); |
| } |
| |
| long subAuthority = Long.parseLong( rid.toString(), 16 ); |
| sb.append( '-' ); |
| sb.append( subAuthority ); |
| } |
| |
| return sb.toString(); |
| } |
| } |