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* Copyright 2013, Google Inc.
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*
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* in the documentation and/or other materials provided with the
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* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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package org.jf.dexlib2.analysis;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import org.apache.commons.cli.*;
import org.jf.dexlib2.DexFileFactory;
import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.Field;
import org.jf.dexlib2.iface.Method;
import org.jf.dexlib2.iface.reference.FieldReference;
import org.jf.util.ConsoleUtil;
import org.jf.util.SparseArray;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
public class DumpFields {
private static final Options options;
static {
options = new Options();
buildOptions();
}
public static void main(String[] args) {
CommandLineParser parser = new PosixParser();
CommandLine commandLine;
try {
commandLine = parser.parse(options, args);
} catch (ParseException ex) {
usage();
return;
}
String[] remainingArgs = commandLine.getArgs();
Option[] parsedOptions = commandLine.getOptions();
ArrayList<String> bootClassPathDirs = Lists.newArrayList();
String outFile = "fields.txt";
int apiLevel = 15;
for (int i=0; i<parsedOptions.length; i++) {
Option option = parsedOptions[i];
String opt = option.getOpt();
switch (opt.charAt(0)) {
case 'd':
bootClassPathDirs.add(option.getValue());
break;
case 'o':
outFile = option.getValue();
break;
case 'a':
apiLevel = Integer.parseInt(commandLine.getOptionValue("a"));
break;
default:
assert false;
}
}
if (remainingArgs.length != 1) {
usage();
return;
}
String inputDexFileName = remainingArgs[0];
File dexFileFile = new File(inputDexFileName);
if (!dexFileFile.exists()) {
System.err.println("Can't find the file " + inputDexFileName);
System.exit(1);
}
try {
DexBackedDexFile dexFile = DexFileFactory.loadDexFile(dexFileFile, apiLevel);
Iterable<String> bootClassPaths = Splitter.on(":").split("core.jar:ext.jar:framework.jar:android.policy.jar:services.jar");
ClassPath classPath = ClassPath.fromClassPath(bootClassPathDirs, bootClassPaths, dexFile, apiLevel);
FileOutputStream outStream = new FileOutputStream(outFile);
for (ClassDef classDef: dexFile.getClasses()) {
ClassProto classProto = (ClassProto) classPath.getClass(classDef);
SparseArray<FieldReference> fields = classProto.getInstanceFields();
String className = "Class " + classDef.getType() + " : " + fields.size() + " instance fields\n";
outStream.write(className.getBytes());
for (int i=0;i<fields.size();i++) {
String field = fields.keyAt(i) + ":" + fields.valueAt(i).getType() + " " + fields.valueAt(i).getName() + "\n";
outStream.write(field.getBytes());
}
outStream.write("\n".getBytes());
}
outStream.close();
} catch (IOException ex) {
System.out.println("IOException thrown when trying to open a dex file or write out vtables: " + ex);
}
}
/**
* Prints the usage message.
*/
private static void usage() {
int consoleWidth = ConsoleUtil.getConsoleWidth();
if (consoleWidth <= 0) {
consoleWidth = 80;
}
System.out.println("java -cp baksmali.jar org.jf.dexlib2.analysis.DumpFields -d path/to/framework/jar/files <dex-file>");
}
private static void buildOptions() {
Option classPathDirOption = OptionBuilder.withLongOpt("bootclasspath-dir")
.withDescription("the base folder to look for the bootclasspath files in. Defaults to the current " +
"directory")
.hasArg()
.withArgName("DIR")
.create("d");
Option outputFileOption = OptionBuilder.withLongOpt("out-file")
.withDescription("output file")
.hasArg()
.withArgName("FILE")
.create("o");
Option apiLevelOption = OptionBuilder.withLongOpt("api-level")
.withDescription("The numeric api-level of the file being disassembled. If not " +
"specified, it defaults to 15 (ICS).")
.hasArg()
.withArgName("API_LEVEL")
.create("a");
options.addOption(classPathDirOption);
options.addOption(outputFileOption);
options.addOption(apiLevelOption);
}
}