skeleton for merged test apk

test_apks/dyn_and_ref/.gitignore

@@ -0,0 +1,3 @@
+build
+ToyKey.keystore
+java/classes/com/example/theseus/dynloading/R.java

test_apks/dyn_and_ref/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest 
+    xmlns:android="http://schemas.android.com/apk/res/android" 
+    android:compileSdkVersion="34"
+	package="com.example.theseus.dynandref">
+    <uses-sdk android:minSdkVersion="28" android:targetSdkVersion="34"/>
+    <!--uses-permission android:name="android.permission.WRITE_CONTACTS"/-->
+
+    <application
+        android:supportsRtl="true"
+            android:label="DynAndRef">
+        <activity android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+              <action android:name="android.intent.action.MAIN" />
+              <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".ClassLoaderContextActivity"/>
+        <activity android:name=".MethodActivity"/>
+    </application>
+
+</manifest>

test_apks/dyn_and_ref/Makefile

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+VERSION=34.0.0
+VERSION_B=$(basename $(basename $(VERSION)))
+ANDROID_HOME ?= $(HOME)/Android/Sdk
+SDK_TOOLS=$(ANDROID_HOME)
+JAVA_PATH=/usr/lib/jvm/java-17-openjdk/bin
+JAVAC=$(JAVA_PATH)/javac
+JAR=$(JAVA_PATH)/jar
+JARSIGNER=$(JAVA_PATH)/jarsigner
+KEYTOOL=$(JAVA_PATH)/keytool
+
+ADB=$(SDK_TOOLS)/platform-tools/adb
+D8=$(SDK_TOOLS)/build-tools/$(VERSION)/d8
+AAPT=$(SDK_TOOLS)/build-tools/$(VERSION)/aapt
+ZIPALIGN=$(SDK_TOOLS)/build-tools/$(VERSION)/zipalign
+APKSIGNER=$(SDK_TOOLS)/build-tools/$(VERSION)/apksigner
+
+APP=test_dyn_and_ref
+PACKAGE=com.example.theseus.dynandref
+MAIN_ACTIVITY=MainActivity
+
+JAVAC_ARGS =
+D8_ARGS = 
+
+pass=ahahah
+
+export PATH := $(JAVA_PATH):$(PATH)
+
+all: $(shell mkdir -p build)
+all: clean build/$(APP).apk
+signature_v1: clean build/$(APP).v1.apk
+
+debug: JAVAC_ARGS += -g
+debug: D8_ARGS += --debug
+debug: all
+
+test: all
+	$(ADB) install build/$(APP).apk
+	$(ADB) shell am start -n $(PACKAGE)/.$(MAIN_ACTIVITY)
+
+build/%.v1signed.apk: ./build/%.unsigned.apk ./ToyKey.keystore
+	$(JARSIGNER) -verbose -keystore ./ToyKey.keystore -storepass $(pass) -keypass $(pass) -signedjar $@ $< SignKey
+
+build/%.v1.apk: ./build/%.v1signed.apk
+	$(SDK_TOOLS)/build-tools/$(VERSION)/zipalign -v -f 4 $< $@
+
+# TODO: fix dep somehow? cannot find a way to use % or $* in (shell ..)
+build/%/classes: $(shell find java/ -type f -regex ".*\.java" )
+	mkdir -p ./build/$*/classes
+	$(JAVAC) $(JAVAC_ARGS) -d ./build/$*/classes -classpath build/deps.jar:$(SDK_TOOLS)/platforms/android-$(VERSION_B)/android.jar $$(find java/$*/ -type f -regex ".*\.java")
+
+build/%/classes.dex: build/%/classes
+	mkdir -p ./build/$*
+	$(D8) $(D8_ARGS) --classpath $(SDK_TOOLS)/platforms/android-$(VERSION_B)/android.jar $(shell find build/$*/classes -type f -regex ".*\.class" -printf "'%p'\n") --output ./build/$*/
+
+build/%.unsigned.apk: build/classes/classes.dex build/a/classes.dex
+	mkdir -p ./build/$*_files ./build/$*_files/assets
+	mv ./build/classes/classes.dex ./build/$*_files/classes.dex
+	mv build/a/classes.dex ./build/$*_files/assets/a.dex
+	$(AAPT) package -v -f -M ./AndroidManifest.xml -I $(SDK_TOOLS)/platforms/android-$(VERSION_B)/android.jar -F $@ ./build/$*_files
+
+build/%.v2aligned.apk: ./build/%.unsigned.apk ./ToyKey.keystore
+	$(ZIPALIGN) -v -f 4 $< $@
+
+build/%.apk: ./build/%.v2aligned.apk
+	$(APKSIGNER) sign -ks ./ToyKey.keystore --v2-signing-enabled true --in $< --out $@ --ks-pass pass:$(pass)
+
+ToyKey.keystore :
+	$(KEYTOOL) -genkeypair -validity 1000 -dname "CN=SomeKey,O=SomeOne,C=FR" -keystore $@ -storepass $(pass) -keypass $(pass) -alias SignKey -keyalg RSA -v
+
+clean:
+	$(RM) -r build/*
+
+clean_all: clean
+	$(RM) ToyKey.keystore

test_apks/dyn_and_ref/java/a/com/example/theseus/dynandref/AMain.java

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+package com.example.theseus.dynandref;
+
+public class AMain {
+    public static String getColliderId() {
+        return Collider.getColliderId();
+    }
+}

test_apks/dyn_and_ref/java/a/com/example/theseus/dynandref/Collider.java

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+package com.example.theseus.dynandref;
+
+public class Collider {
+    public static String getColliderId() {
+        return "A";
+    }
+}

test_apks/dyn_and_ref/java/classes/com/example/theseus/Utils.java

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+package com.example.theseus;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.util.Log;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+
+public class Utils {
+    public static String source() {
+        return "Secret";
+    }
+    public static String source(String tag) {
+        return "[" + tag + "] Secret";
+    }
+
+    public static void popup(Activity ac, String title, String msg) {
+        Log.e("THESEUS", "POPUP, title: " + title + ", msg: " + msg);
+        (new AlertDialog.Builder(ac))
+            .setMessage(msg)
+            .setTitle(title)
+            .create()
+            .show();
+    }
+
+    public static void sink(Activity ac, String data) {
+        popup(ac, "Data leak:", data);
+    }
+    public static void copy(InputStream in, OutputStream out) throws IOException {
+        byte[] buffer = new byte[1024];
+        int read;
+        while((read = in.read(buffer)) != -1){
+            out.write(buffer, 0, read);
+        }
+    }
+}

test_apks/dyn_and_ref/java/classes/com/example/theseus/dynandref/ClassLoaderContextActivity.java

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+package com.example.theseus.dynandref;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+
+import android.widget.RelativeLayout;
+import android.widget.ScrollView;
+import android.widget.LinearLayout;
+import android.view.ViewGroup;
+import android.view.View;
+import android.widget.Button;
+import android.content.res.ColorStateList;
+
+import java.lang.ClassLoader;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Constructor;
+import java.lang.ClassNotFoundException;
+
+import android.content.Intent;
+import android.content.res.AssetManager;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.lang.reflect.InvocationTargetException;
+import android.content.Context;
+import dalvik.system.PathClassLoader;
+import dalvik.system.DelegateLastClassLoader;
+import java.lang.reflect.Method;
+
+import com.example.theseus.Utils;
+
+
+import java.util.Arrays;
+
+public class ClassLoaderContextActivity extends Activity {
+    public String classLoaderName;
+
+    public String getdexfile(String name) {
+        File dexfile = new File(getCacheDir(), name);
+        dexfile.setReadOnly();
+        Log.e("DEBUG", dexfile.getPath());
+        return dexfile.getPath();
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Intent intent = getIntent();
+        classLoaderName = intent.getStringExtra("classLoaderName");
+
+        ColorStateList buttonColor = ColorStateList.valueOf(0xff808080);
+
+        RelativeLayout relLayout = new RelativeLayout(this);
+        relLayout.generateViewId();
+
+        ScrollView scrollView = new ScrollView(this);
+        scrollView.generateViewId();
+
+        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
+            ViewGroup.LayoutParams.WRAP_CONTENT, 
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        );
+        lp.addRule(RelativeLayout.CENTER_IN_PARENT);
+
+        LinearLayout linLayout = new LinearLayout(this);
+        linLayout.generateViewId();
+        linLayout.setLayoutParams(lp);
+        linLayout.setOrientation(LinearLayout.VERTICAL);
+
+
+        Button b1 = new Button(this);
+        b1.generateViewId();
+        linLayout.addView(b1);
+
+        Button b2 = new Button(this);
+        b2.generateViewId();
+        linLayout.addView(b2);
+
+        Button b3 = new Button(this);
+        b3.generateViewId();
+        linLayout.addView(b3);
+
+        Button b4 = new Button(this);
+        b4.generateViewId();
+        linLayout.addView(b4);
+
+        scrollView.addView(linLayout);
+        relLayout.addView(scrollView);
+        setContentView(relLayout);
+
+        Activity ac = this;
+
+        b1.setText("Direct With Parent");
+        b1.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity(classLoaderName, true, true);
+            }
+        });
+
+        b2.setText("Direct Without Parent");
+        b2.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity(classLoaderName, true, false);
+            }
+        });
+
+        b3.setText("Indirect With Parent");
+        b3.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+            }
+        });
+
+        b4.setText("Indirect Without Parent");
+        b4.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity(classLoaderName, false, false);
+            }
+        });
+    }
+
+    public void nextActivity(String classLoaderName, boolean isDirect, boolean hasParent) {
+        Intent intent = new Intent(this, MethodActivity.class);
+        intent.putExtra("classLoaderName", classLoaderName);
+        intent.putExtra("direct", isDirect);
+        intent.putExtra("parent", hasParent);
+        startActivity(intent);
+    }
+}

test_apks/dyn_and_ref/java/classes/com/example/theseus/dynandref/Collider.java

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+package com.example.theseus.dynandref;
+
+public class Collider {
+    public static String getColliderId() {
+        return "MainAPK";
+    }
+}

test_apks/dyn_and_ref/java/classes/com/example/theseus/dynandref/MainActivity.java

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+package com.example.theseus.dynandref;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+
+import android.widget.RelativeLayout;
+import android.widget.ScrollView;
+import android.widget.LinearLayout;
+import android.view.ViewGroup;
+import android.view.View;
+import android.widget.Button;
+import android.content.res.ColorStateList;
+
+import java.lang.ClassLoader;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Constructor;
+import java.lang.ClassNotFoundException;
+
+import android.content.Intent;
+import android.content.res.AssetManager;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.lang.reflect.InvocationTargetException;
+import android.content.Context;
+import dalvik.system.PathClassLoader;
+import dalvik.system.DelegateLastClassLoader;
+import java.lang.reflect.Method;
+
+import com.example.theseus.Utils;
+
+
+import java.util.Arrays;
+
+public class MainActivity extends Activity {
+
+    public void setup() {
+        AssetManager assetManager = getAssets();
+        InputStream in = null;
+        OutputStream out = null;
+        File outFile = null;
+        try {
+            in = assetManager.open("a.dex");
+            outFile = new File(getCacheDir(), "a.dex_"); // .dex_ because android does not like people writing .dex
+            out = new FileOutputStream(outFile);
+            Utils.copy(in, out);
+            outFile.renameTo(new File(getCacheDir(), "a.dex")); // security?
+        } catch (IOException e) {}
+        try {
+            in.close();
+        } catch (IOException e) {}
+        try {
+            out.close();
+        } catch (IOException e) {}
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setup();
+
+        ColorStateList buttonColor = ColorStateList.valueOf(0xff808080);
+
+        RelativeLayout relLayout = new RelativeLayout(this);
+        relLayout.generateViewId();
+
+        ScrollView scrollView = new ScrollView(this);
+        scrollView.generateViewId();
+
+        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
+            ViewGroup.LayoutParams.WRAP_CONTENT, 
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        );
+        lp.addRule(RelativeLayout.CENTER_IN_PARENT);
+
+        LinearLayout linLayout = new LinearLayout(this);
+        linLayout.generateViewId();
+        linLayout.setLayoutParams(lp);
+        linLayout.setOrientation(LinearLayout.VERTICAL);
+
+
+        Button b1 = new Button(this);
+        b1.generateViewId();
+        linLayout.addView(b1);
+
+        Button b2 = new Button(this);
+        b2.generateViewId();
+        linLayout.addView(b2);
+
+        Button b3 = new Button(this);
+        b3.generateViewId();
+        linLayout.addView(b3);
+
+        Button b4 = new Button(this);
+        b4.generateViewId();
+        linLayout.addView(b4);
+
+        scrollView.addView(linLayout);
+        relLayout.addView(scrollView);
+        setContentView(relLayout);
+
+        Activity ac = this;
+
+        b1.setText("DelegateLastClassLoader");
+        b1.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity("DelegateLastClassLoader");
+            }
+        });
+
+        b2.setText("DexClassLoader");
+        b2.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity("DexClassLoader");
+            }
+        });
+
+        b3.setText("InMemoryDexClassLoader");
+        b3.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity("InMemoryDexClassLoader");
+            }
+        });
+
+        b4.setText("PathClassLoader");
+        b4.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                nextActivity("PathClassLoader");
+            }
+        });
+    }
+
+    public void nextActivity(String classLoaderName) {
+        Intent intent = new Intent(this, ClassLoaderContextActivity.class);
+        intent.putExtra("classLoaderName", classLoaderName);
+        startActivity(intent);
+    }
+}

test_apks/dyn_and_ref/java/classes/com/example/theseus/dynandref/MethodActivity.java

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+package com.example.theseus.dynandref;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+
+import android.widget.RelativeLayout;
+import android.widget.ScrollView;
+import android.widget.LinearLayout;
+import android.view.ViewGroup;
+import android.view.View;
+import android.widget.Button;
+import android.content.res.ColorStateList;
+
+import java.lang.ClassLoader;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Constructor;
+import java.lang.ClassNotFoundException;
+
+import android.content.Intent;
+import android.content.res.AssetManager;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.lang.reflect.InvocationTargetException;
+import android.content.Context;
+import dalvik.system.PathClassLoader;
+import dalvik.system.DelegateLastClassLoader;
+import java.lang.reflect.Method;
+
+import com.example.theseus.Utils;
+
+
+import java.util.Arrays;
+
+public class MethodActivity extends Activity {
+    public String classLoaderName;
+    public boolean hasParent;
+    public boolean isDirect;
+
+
+    public String getdexfile(String name) {
+        File dexfile = new File(getCacheDir(), name);
+        dexfile.setReadOnly();
+        Log.e("DEBUG", dexfile.getPath());
+        return dexfile.getPath();
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Intent intent = getIntent();
+        classLoaderName = intent.getStringExtra("classLoaderName");
+        isDirect = intent.getBooleanExtra("direct", false);
+        hasParent = intent.getBooleanExtra("parent", false);
+
+        ColorStateList buttonColor = ColorStateList.valueOf(0xff808080);
+
+        RelativeLayout relLayout = new RelativeLayout(this);
+        relLayout.generateViewId();
+
+        ScrollView scrollView = new ScrollView(this);
+        scrollView.generateViewId();
+
+        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
+            ViewGroup.LayoutParams.WRAP_CONTENT, 
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        );
+        lp.addRule(RelativeLayout.CENTER_IN_PARENT);
+
+        LinearLayout linLayout = new LinearLayout(this);
+        linLayout.generateViewId();
+        linLayout.setLayoutParams(lp);
+        linLayout.setOrientation(LinearLayout.VERTICAL);
+
+
+        Button b1 = new Button(this);
+        b1.generateViewId();
+        linLayout.addView(b1);
+
+        Button b2 = new Button(this);
+        b2.generateViewId();
+        linLayout.addView(b2);
+
+        Button b3 = new Button(this);
+        b3.generateViewId();
+        linLayout.addView(b3);
+
+        Button b4 = new Button(this);
+        b4.generateViewId();
+        linLayout.addView(b4);
+
+        Button b5 = new Button(this);
+        b5.generateViewId();
+        linLayout.addView(b5);
+
+        Button b6 = new Button(this);
+        b6.generateViewId();
+        linLayout.addView(b6);
+
+        scrollView.addView(linLayout);
+        relLayout.addView(scrollView);
+        setContentView(relLayout);
+
+        Activity ac = this;
+
+        b1.setText("Virtual");
+        b1.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Virtual");
+            }
+        });
+
+        b2.setText("Static");
+        b2.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Static");
+            }
+        });
+
+        b3.setText("Extended");
+        b3.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Extended");
+            }
+        });
+
+        b4.setText("Interface");
+        b4.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Interface");
+            }
+        });
+
+        b5.setText("Interface Static");
+        b5.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Interface Static");
+            }
+        });
+
+        b6.setText("Factory Pattern");
+        b6.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                v.setBackgroundTintList(buttonColor);
+                Utils.popup(ac, "MSG", classLoaderName + ", has parent:" + hasParent + ", direct: "+ isDirect + ", method: Factory Pattern");
+            }
+        });
+    }
+
+    public void nextActivity(String classLoaderName) {
+        Intent intent = new Intent(this, MethodActivity.class);
+        intent.putExtra("classLoaderName", classLoaderName);
+        startActivity(intent);
+    }
+}