1 /* 2 * [The "BSD licence"] 3 * Copyright (c) 2010 Ben Gruver (JesusFreke) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 package org.jf.dexlib; 30 31 import org.jf.dexlib.Util.Input; 32 33 import java.util.Arrays; 34 35 public class OdexHeader { 36 37 /** 38 * the possible file format magic numbers, represented as the low-order bytes of a string. 39 */ 40 public static final byte[] MAGIC_35 = new byte[] {0x64, 0x65, 0x79, 0x0A, 0x30, 0x33, 0x35, 0x00}; //"dey\n035" + '\0'; 41 public static final byte[] MAGIC_36 = new byte[] {0x64, 0x65, 0x79, 0x0A, 0x30, 0x33, 0x36, 0x00}; //"dey\n036" + '\0'; 42 43 public final byte[] magic; 44 public final int dexOffset; 45 public final int dexLength; 46 public final int depsOffset; 47 public final int depsLength; 48 public final int auxOffset; 49 public final int auxLength; 50 public final int flags; 51 52 public final int version; 53 54 public OdexHeader(Input in) { 55 magic = in.readBytes(8); 56 57 if (Arrays.equals(MAGIC_35, magic)) { 58 version = 35; 59 } else if (Arrays.equals(MAGIC_36, magic)) { 60 version = 36; 61 } else { 62 throw new RuntimeException("The magic value is not one of the expected values"); 63 } 64 65 dexOffset = in.readInt(); 66 dexLength = in.readInt(); 67 depsOffset = in.readInt(); 68 depsLength = in.readInt(); 69 auxOffset = in.readInt(); 70 auxLength = in.readInt(); 71 flags = in.readInt(); 72 in.readInt(); //padding 73 } 74 } 75
