main.java revision c894b9658c69a014ed1f57732b066a180218d126
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package org.jf.baksmali; 18 19import org.apache.commons.cli.*; 20import org.jf.dexlib.DexFile; 21import org.jf.baksmali.Renderers.*; 22import org.antlr.stringtemplate.StringTemplateGroup; 23 24import java.io.File; 25import java.io.InputStream; 26import java.io.InputStreamReader; 27import java.io.IOException; 28 29public class main { 30 31 public static final String VERSION = "0.91"; 32 33 private static final Options options; 34 35 static { 36 options = new Options(); 37 buildOptions(); 38 } 39 40 /** 41 * This class is uninstantiable. 42 */ 43 private main() { 44 } 45 46 /** 47 * Run! 48 */ 49 public static void main(String[] args) { 50 CommandLineParser parser = new PosixParser(); 51 CommandLine commandLine; 52 53 try { 54 commandLine = parser.parse(options, args); 55 } catch (ParseException ex) { 56 usage(); 57 return; 58 } 59 60 boolean disassemble = true; 61 boolean doDump = false; 62 boolean write = false; 63 boolean sort = false; 64 boolean fixRegisters = false; 65 66 String outputDirectory = "out"; 67 String dumpFileName = null; 68 String outputDexFileName = null; 69 String inputDexFileName = null; 70 71 String[] remainingArgs = commandLine.getArgs(); 72 73 if (commandLine.hasOption("v")) { 74 version(); 75 return; 76 } 77 78 if (commandLine.hasOption("?")) { 79 usage(); 80 return; 81 } 82 83 if (remainingArgs.length != 1) { 84 usage(); 85 return; 86 } 87 88 inputDexFileName = remainingArgs[0]; 89 90 if (commandLine.hasOption("d")) { 91 doDump = true; 92 dumpFileName = commandLine.getOptionValue("d", inputDexFileName + ".dump"); 93 } 94 95 if (commandLine.hasOption("D")) { 96 doDump = true; 97 disassemble = false; 98 dumpFileName = commandLine.getOptionValue("d", inputDexFileName + ".dump"); 99 } 100 101 if (commandLine.hasOption("w")) { 102 write = true; 103 outputDexFileName = commandLine.getOptionValue("w"); 104 } 105 106 if (commandLine.hasOption("o")) { 107 outputDirectory = commandLine.getOptionValue("o"); 108 } 109 110 if (commandLine.hasOption("s")) { 111 sort = true; 112 } 113 114 if (commandLine.hasOption("f")) { 115 fixRegisters = true; 116 } 117 118 try { 119 File dexFileFile = new File(inputDexFileName); 120 if (!dexFileFile.exists()) { 121 System.err.println("Can't find the file " + inputDexFileName); 122 System.exit(1); 123 } 124 125 //Read in and parse the dex file 126 DexFile dexFile = new DexFile(dexFileFile, !fixRegisters); 127 128 if (disassemble) { 129 baksmali.disassembleDexFile(dexFile, outputDirectory); 130 } 131 132 if (doDump || write) { 133 try 134 { 135 dump.dump(dexFile, dumpFileName, outputDexFileName, sort); 136 }catch (IOException ex) { 137 System.err.println("Error occured while writing dump file"); 138 ex.printStackTrace(); 139 } 140 } 141 } catch (RuntimeException ex) { 142 System.err.println("\n\nUNEXPECTED TOP-LEVEL EXCEPTION:"); 143 ex.printStackTrace(); 144 System.exit(1); 145 } catch (Throwable ex) { 146 System.err.println("\n\nUNEXPECTED TOP-LEVEL ERROR:"); 147 ex.printStackTrace(); 148 System.exit(1); 149 } 150 } 151 152 /** 153 * Prints the usage message. 154 */ 155 private static void usage() { 156 HelpFormatter formatter = new HelpFormatter(); 157 formatter.printHelp("java -jar baksmali.jar [options] <dex-file>", 158 "disassembles and/or dumps a dex file", options, ""); 159 } 160 161 /** 162 * Prints the version message. 163 */ 164 private static void version() { 165 System.out.println("baksmali " + VERSION + " (http://smali.googlecode.com)"); 166 System.out.println("Copyright (C) 2009 Ben Gruver"); 167 System.out.println("BSD license (http://www.opensource.org/licenses/bsd-license.php)"); 168 System.exit(0); 169 } 170 171 private static void buildOptions() { 172 Option versionOption = OptionBuilder.withLongOpt("version") 173 .withDescription("prints the version then exits") 174 .create("v"); 175 176 Option helpOption = OptionBuilder.withLongOpt("help") 177 .withDescription("prints the help message then exits") 178 .create("?"); 179 180 Option dumpOption = OptionBuilder.withLongOpt("dump-to") 181 .withDescription("dumps the given dex file into a single annotated dump file named FILE (<dexfile>.dump by default), along with the normal disassembly.") 182 .hasOptionalArg() 183 .withArgName("FILE") 184 .create("d"); 185 186 Option dumpOnlyOption = OptionBuilder.withLongOpt("dump-only") 187 .withDescription("dumps the given dex file into a single annotated dump file named FILE (<dexfile>.dump by default), and does not generate the disassembly") 188 .hasOptionalArg() 189 .withArgName("FILE") 190 .create("D"); 191 192 Option writeDexOption = OptionBuilder.withLongOpt("write-dex") 193 .withDescription("additionally rewrites the input dex file to FILE") 194 .hasArg() 195 .withArgName("FILE") 196 .create("w"); 197 198 Option outputDirOption = OptionBuilder.withLongOpt("output") 199 .withDescription("the directory where the disassembled files will be placed. The default is out") 200 .hasArg() 201 .withArgName("DIR") 202 .create("o"); 203 204 Option sortOption = OptionBuilder.withLongOpt("sort") 205 .withDescription("sort the items in the dex file into a canonical order before dumping/writing") 206 .create("s"); 207 208 Option fixSignedRegisterOption = OptionBuilder.withLongOpt("fix-signed-registers") 209 .withDescription("when dumping or rewriting, fix any registers in the debug info that are encoded as a signed value") 210 .create("f"); 211 212 OptionGroup dumpCommand = new OptionGroup(); 213 dumpCommand.addOption(dumpOption); 214 dumpCommand.addOption(dumpOnlyOption); 215 216 options.addOption(versionOption); 217 options.addOption(helpOption); 218 options.addOptionGroup(dumpCommand); 219 options.addOption(writeDexOption); 220 options.addOption(outputDirOption); 221 options.addOption(sortOption); 222 options.addOption(fixSignedRegisterOption); 223 } 224}