1959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle/* 2959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Copyright (C) 2014 The Android Open Source Project 3959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 4959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Licensed under the Apache License, Version 2.0 (the "License"); 5959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * you may not use this file except in compliance with the License. 6959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * You may obtain a copy of the License at 7959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 8959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * http://www.apache.org/licenses/LICENSE-2.0 9959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 10959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Unless required by applicable law or agreed to in writing, software 11959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * distributed under the License is distributed on an "AS IS" BASIS, 12959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * See the License for the specific language governing permissions and 14959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * limitations under the License. 15959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle */ 16959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 17959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepackage dexfuzz.rawdex; 18959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 19959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyleimport java.io.IOException; 20959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 21959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepublic class ClassDefItem implements RawDexObject { 22959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public static int data_size = 0x20; 23959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 24959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int classIdx; 25959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int accessFlags; 26959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int superclassIdx; 27959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public Offset interfacesOff; 28959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int sourceFileIdx; 29959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public Offset annotationsOff; 30959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public Offset classDataOff; 31959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public Offset staticValuesOff; 32959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 33959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public static class MetaInfo { 34959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public ClassDataItem classDataItem; 35959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 36959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 37959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public MetaInfo meta = new MetaInfo(); 38959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 39959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 40959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void read(DexRandomAccessFile file) throws IOException { 41959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().getNewOffsettable(file, this); 42959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle classIdx = file.readUInt(); 43959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle accessFlags = file.readUInt(); 44959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle superclassIdx = file.readUInt(); 45959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle interfacesOff = file.getOffsetTracker().getNewOffset(file.readUInt()); 46959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle sourceFileIdx = file.readUInt(); 47959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle annotationsOff = file.getOffsetTracker().getNewOffset(file.readUInt()); 48959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle classDataOff = file.getOffsetTracker().getNewOffset(file.readUInt()); 49959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle staticValuesOff = file.getOffsetTracker().getNewOffset(file.readUInt()); 50959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 51959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 52959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 53959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void write(DexRandomAccessFile file) throws IOException { 54959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().updatePositionOfNextOffsettable(file); 55959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUInt(classIdx); 56959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUInt(accessFlags); 57959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUInt(superclassIdx); 58959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().tryToWriteOffset(interfacesOff, file, false /* ULEB128 */); 59959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUInt(sourceFileIdx); 60959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().tryToWriteOffset(annotationsOff, file, false /* ULEB128 */); 61959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().tryToWriteOffset(classDataOff, file, false /* ULEB128 */); 62959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().tryToWriteOffset(staticValuesOff, file, false /* ULEB128 */); 63959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 64959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 65959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 66959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void incrementIndex(IndexUpdateKind kind, int insertedIdx) { 67959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.TYPE_ID && classIdx >= insertedIdx) { 68959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle classIdx++; 69959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 70959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.TYPE_ID && superclassIdx >= insertedIdx) { 71959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle superclassIdx++; 72959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 73959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (kind == IndexUpdateKind.STRING_ID && sourceFileIdx >= insertedIdx) { 74959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle sourceFileIdx++; 75959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 76959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 77959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle} 78