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Merge branch 'rubenanagua-master'

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This commit is contained in:
Connor Tumbleson 2017-12-07 16:39:18 -05:00
commit 5734c68156
5 changed files with 197 additions and 8 deletions
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10
brut.apktool/apktool-cli/src/main/java/brut/apktool/Main.java
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@ -124,6 +124,9 @@ public class Main {
if (cli.hasOption("r") || cli.hasOption("no-res")) {
decoder.setDecodeResources(ApkDecoder.DECODE_RESOURCES_NONE);
}
if (cli.hasOption("force-manifest")) {
decoder.setForceDecodeManifest(ApkDecoder.FORCE_DECODE_MANIFEST_FULL);
}
if (cli.hasOption("no-assets")) {
decoder.setDecodeAssets(ApkDecoder.DECODE_ASSETS_NONE);
}
@ -286,6 +289,11 @@ public class Main {
.desc("Do not decode resources.")
.build();
Option forceManOption = Option.builder()
.longOpt("force-manifest")
.desc("Decode the APK's compiled manifest, even if decoding of resources is set to \"false\".")
.build();
Option noAssetOption = Option.builder()
.longOpt("no-assets")
.desc("Do not decode assets.")
@ -405,6 +413,7 @@ public class Main {
DecodeOptions.addOption(analysisOption);
DecodeOptions.addOption(apiLevelOption);
DecodeOptions.addOption(noAssetOption);
DecodeOptions.addOption(forceManOption);
BuildOptions.addOption(debugBuiOption);
BuildOptions.addOption(aaptOption);
@ -453,6 +462,7 @@ public class Main {
allOptions.addOption(analysisOption);
allOptions.addOption(debugDecOption);
allOptions.addOption(noDbgOption);
allOptions.addOption(forceManOption);
allOptions.addOption(noAssetOption);
allOptions.addOption(keepResOption);
allOptions.addOption(debugBuiOption);

34
brut.apktool/apktool-lib/src/main/java/brut/androlib/ApkDecoder.java
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@ -104,6 +104,15 @@ public class ApkDecoder {
switch (mDecodeResources) {
case DECODE_RESOURCES_NONE:
mAndrolib.decodeResourcesRaw(mApkFile, outDir);
if (mForceDecodeManifest == FORCE_DECODE_MANIFEST_FULL) {
setTargetSdkVersion();
setAnalysisMode(mAnalysisMode, true);
// done after raw decoding of resources because copyToDir overwrites dest files
if (hasManifest()) {
mAndrolib.decodeManifestWithResources(mApkFile, outDir, getResTable());
}
}
break;
case DECODE_RESOURCES_FULL:
setTargetSdkVersion();
@ -119,14 +128,12 @@ public class ApkDecoder {
// if there's no resources.asrc, decode the manifest without looking
// up attribute references
if (hasManifest()) {
switch (mDecodeResources) {
case DECODE_RESOURCES_NONE:
mAndrolib.decodeManifestRaw(mApkFile, outDir);
break;
case DECODE_RESOURCES_FULL:
mAndrolib.decodeManifestFull(mApkFile, outDir,
getResTable());
break;
if (mDecodeResources == DECODE_RESOURCES_FULL
|| mForceDecodeManifest == FORCE_DECODE_MANIFEST_FULL) {
mAndrolib.decodeManifestFull(mApkFile, outDir, getResTable());
}
else {
mAndrolib.decodeManifestRaw(mApkFile, outDir);
}
}
}
@ -190,6 +197,13 @@ public class ApkDecoder {
mDecodeResources = mode;
}
public void setForceDecodeManifest(short mode) throws AndrolibException {
if (mode != FORCE_DECODE_MANIFEST_NONE && mode != FORCE_DECODE_MANIFEST_FULL) {
throw new AndrolibException("Invalid force decode manifest mode");
}
mForceDecodeManifest = mode;
}
public void setDecodeAssets(short mode) throws AndrolibException {
if (mode != DECODE_ASSETS_NONE && mode != DECODE_ASSETS_FULL) {
throw new AndrolibException("Invalid decode asset mode");
@ -306,6 +320,9 @@ public class ApkDecoder {
public final static short DECODE_RESOURCES_NONE = 0x0100;
public final static short DECODE_RESOURCES_FULL = 0x0101;
public final static short FORCE_DECODE_MANIFEST_NONE = 0x0000;
public final static short FORCE_DECODE_MANIFEST_FULL = 0x0001;
public final static short DECODE_ASSETS_NONE = 0x0000;
public final static short DECODE_ASSETS_FULL = 0x0001;
@ -417,6 +434,7 @@ public class ApkDecoder {
private ResTable mResTable;
private short mDecodeSources = DECODE_SOURCES_SMALI;
private short mDecodeResources = DECODE_RESOURCES_FULL;
private short mForceDecodeManifest = FORCE_DECODE_MANIFEST_NONE;
private short mDecodeAssets = DECODE_ASSETS_FULL;
private boolean mForceDelete = false;
private boolean mKeepBrokenResources = false;

144
brut.apktool/apktool-lib/src/test/java/brut/androlib/ForceManifestDecodeNoResourcesTest.java Normal file
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@ -0,0 +1,144 @@
/**
* Copyright (C) 2017 Ryszard Wiśniewski <brut.alll@gmail.com>
* Copyright (C) 2017 Connor Tumbleson <connor.tumbleson@gmail.com>
*
* Licensed 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 brut.androlib;
import brut.common.BrutException;
import brut.directory.ExtFile;
import brut.util.OS;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ForceManifestDecodeNoResourcesTest {
private byte[] xmlHeader = new byte[] {
0x3C, // <
0x3F, // ?
0x78, // x
0x6D, // m
0x6C, // l
0x20, // (empty)
};
@BeforeClass
public static void beforeClass() throws Exception {
TestUtils.cleanFrameworkFile();
sTmpDir = new ExtFile(OS.createTempDirectory());
TestUtils.copyResourceDir(ForceManifestDecodeNoResourcesTest.class, "brut/apktool/issue1680/", sTmpDir);
}
@AfterClass
public static void afterClass() throws BrutException {
OS.rmdir(sTmpDir);
}
@Test
public void checkIfForceManifestWithNoResourcesWorks() throws BrutException, IOException {
String apk = "issue1680.apk";
String output = sTmpDir + File.separator + apk + ".out";
// decode issue1680.apk
decodeFile(sTmpDir + File.separator + apk, ApkDecoder.DECODE_RESOURCES_NONE,
ApkDecoder.FORCE_DECODE_MANIFEST_FULL, output);
// lets probe filetype of manifest, we should detect XML
File manifestFile = new File(output + File.separator + "AndroidManifest.xml");
byte[] magic = TestUtils.readHeaderOfFile(manifestFile, 6);
assertTrue(Arrays.equals(this.xmlHeader, magic));
// confirm resources.arsc still exists, as its raw
File resourcesArsc = new File(output + File.separator + "resources.arsc");
assertTrue(resourcesArsc.isFile());
}
@Test
public void checkIfForceManifestWorksWithNoChangeToResources() throws BrutException, IOException {
String apk = "issue1680.apk";
String output = sTmpDir + File.separator + apk + ".out";
// decode issue1680.apk
decodeFile(sTmpDir + File.separator + apk, ApkDecoder.DECODE_RESOURCES_FULL,
ApkDecoder.FORCE_DECODE_MANIFEST_FULL, output);
// lets probe filetype of manifest, we should detect XML
File manifestFile = new File(output + File.separator + "AndroidManifest.xml");
byte[] magic = TestUtils.readHeaderOfFile(manifestFile, 6);
assertTrue(Arrays.equals(this.xmlHeader, magic));
// confirm resources.arsc does not exist
File resourcesArsc = new File(output + File.separator + "resources.arsc");
assertFalse(resourcesArsc.isFile());
}
@Test
public void checkForceManifestToFalseWithResourcesEnabledIsIgnored() throws BrutException, IOException {
String apk = "issue1680.apk";
String output = sTmpDir + File.separator + apk + ".out";
// decode issue1680.apk
decodeFile(sTmpDir + File.separator + apk, ApkDecoder.DECODE_RESOURCES_FULL,
ApkDecoder.FORCE_DECODE_MANIFEST_NONE, output);
// lets probe filetype of manifest, we should detect XML
File manifestFile = new File(output + File.separator + "AndroidManifest.xml");
byte[] magic = TestUtils.readHeaderOfFile(manifestFile, 6);
assertTrue(Arrays.equals(this.xmlHeader, magic));
// confirm resources.arsc does not exist
File resourcesArsc = new File(output + File.separator + "resources.arsc");
assertFalse(resourcesArsc.isFile());
}
@Test
public void checkBothManifestAndResourcesSetToNone() throws BrutException, IOException {
String apk = "issue1680.apk";
String output = sTmpDir + File.separator + apk + ".out";
// decode issue1680.apk
decodeFile(sTmpDir + File.separator + apk, ApkDecoder.DECODE_RESOURCES_NONE,
ApkDecoder.FORCE_DECODE_MANIFEST_NONE, output);
// lets probe filetype of manifest, we should not detect XML
File manifestFile = new File(output + File.separator + "AndroidManifest.xml");
byte[] magic = TestUtils.readHeaderOfFile(manifestFile, 6);
assertFalse(Arrays.equals(this.xmlHeader, magic));
// confirm resources.arsc exists
File resourcesArsc = new File(output + File.separator + "resources.arsc");
assertTrue(resourcesArsc.isFile());
}
private void decodeFile(String apk, short decodeResources, short decodeManifest, String output)
throws BrutException, IOException {
ApkDecoder apkDecoder = new ApkDecoder(new File(apk));
apkDecoder.setDecodeResources(decodeResources);
apkDecoder.setForceDecodeManifest(decodeManifest);
apkDecoder.setForceDelete(true); // delete directory due to multiple tests.
apkDecoder.setOutDir(new File(output));
apkDecoder.decode();
}
private static ExtFile sTmpDir;
}

17
brut.apktool/apktool-lib/src/test/java/brut/androlib/TestUtils.java
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@ -135,6 +135,23 @@ public abstract class TestUtils {
}
}
/**
*
* @return byte[]
* @throws FileNotFoundException
* @throws IOException
*/
public static byte[] readHeaderOfFile(File file, int size) throws IOException {
byte[] buffer = new byte[size];
InputStream inputStream = new FileInputStream(file);
if (inputStream.read(buffer) != buffer.length) {
throw new IOException("File size too small for buffer length: " + size);
}
inputStream.close();
return buffer;
}
/**
*
* @return File

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brut.apktool/apktool-lib/src/test/resources/brut/apktool/issue1680/issue1680.apk Normal file
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