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Adding Multidex Support To Ensure All APK Classes are Scanned #9

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merged 5 commits into from
Jun 21, 2020
Merged

Adding Multidex Support To Ensure All APK Classes are Scanned #9

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15a540b
upgraded dexlib2-2.2.1 to dexlib2-2.4.0
LordAmit Apr 24, 2020
8e6a578
added multi dex scan switch for soot
LordAmit Apr 24, 2020
0676da5
added improved multi dex file scanning for class names
LordAmit Apr 24, 2020
04b46c2
removed older dexlib2 library, which contains problematic multidex sc…
LordAmit Apr 24, 2020
f7abd13
removed unnecessary println
LordAmit Apr 24, 2020
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Binary file removed main/libs/dexlib2-2.2.1.jar
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Binary file added main/libs/dexlib2-2.4.0-5339a81f.jar
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3 changes: 3 additions & 0 deletions main/src/main/java/main/analyzer/ApkAnalyzer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,11 @@ public static void analyzeSlices(String criteriaClass,
System.exit(1);
}


List<String> classNames = Utils.getClassNamesFromApkArchive(projectJarPath);

//enables multi-dex support for soot
Options.v().set_process_multiple_dex(true);
Options.v().set_keep_line_number(true);
Options.v().set_src_prec(Options.src_prec_apk);
Options.v().set_android_jars(androidHome + "/platforms");
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18 changes: 13 additions & 5 deletions main/src/main/java/main/util/Utils.java
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Expand Up @@ -8,8 +8,11 @@
import main.util.manifest.ProcessManifest;
import org.jf.dexlib2.DexFileFactory;
import org.jf.dexlib2.Opcodes;
import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.dexbacked.ZipDexContainer;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.DexFile;
import org.jf.dexlib2.iface.MultiDexContainer;
import soot.*;
import soot.jimple.Constant;
import soot.jimple.InvokeExpr;
Expand Down Expand Up @@ -134,12 +137,17 @@ public static List<String> getClassNamesFromApkArchive(String apkfile) throws IO

File zipFile = new File(apkfile);

DexFile dexFile = DexFileFactory.loadDexEntry(zipFile, "classes.dex", true, Opcodes.forApi(23));
ZipDexContainer zipContainer = (ZipDexContainer) DexFileFactory.loadDexContainer(zipFile,Opcodes.forApi(23));

for (ClassDef classDef : dexFile.getClasses()) {
String className = classDef.getType().replace('/', '.');
if (!className.contains("android."))
classNames.add(className.substring(1, className.length() - 1));
for(String dexEntryName: zipContainer.getDexEntryNames()){
DexFile dexFile = DexFileFactory.loadDexEntry(zipFile, dexEntryName, true, Opcodes.forApi(23));

for (ClassDef classDef : dexFile.getClasses()) {
String className = classDef.getType().replace('/', '.');
if (!className.contains("android.")){
classNames.add(className.substring(1, className.length() - 1));
}
}
}

return classNames;
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