Allow re-install app with different signatures and permission declared (

#82) Allow packages to redefine its own permissions, without throwing `INSTALL_FAILED_DUPLICATE_PERMISSION` exception when `digestCreak` is enabled.
LSPosed · Aug 4, 2023 · 02cbc1e · 02cbc1e
1 parent 51ae65c
commit 02cbc1e
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diff --git a/app/src/main/java/toolkit/coderstory/CorePatchForQ.java b/app/src/main/java/toolkit/coderstory/CorePatchForQ.java
@@ -3,12 +3,14 @@
 
 import android.content.pm.ApplicationInfo;
 import android.content.pm.Signature;
+import android.util.Log;
 
 import com.coderstory.toolkit.BuildConfig;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
+import java.util.Arrays;
 
 import de.robv.android.xposed.IXposedHookLoadPackage;
 import de.robv.android.xposed.IXposedHookZygoteInit;
@@ -124,6 +126,30 @@ protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
  }
  }
  });
+
+ var keySetManagerClass = findClass("com.android.server.pm.KeySetManagerService", loadPackageParam.classLoader);
+ if (keySetManagerClass != null) {
+ var shouldBypass = new ThreadLocal<Boolean>();
+ hookAllMethods(keySetManagerClass, "shouldCheckUpgradeKeySetLocked", new XC_MethodHook() {
+ @Override
+ protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+ if (prefs.getBoolean("digestCreak", true) && Arrays.stream(Thread.currentThread().getStackTrace()).anyMatch((o) -> "preparePackageLI".equals(o.getMethodName()))) {
+ shouldBypass.set(true);
+ param.setResult(true);
+ } else {
+ shouldBypass.set(false);
+ }
+ }
+ });
+ hookAllMethods(keySetManagerClass, "checkUpgradeKeySetLocked", new XC_MethodHook() {
+ @Override
+ protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+ if (prefs.getBoolean("digestCreak", true) && shouldBypass.get()) {
+ param.setResult(true);
+ }
+ }
+ });
+ }
  }
 
  @Override

diff --git a/app/src/main/java/toolkit/coderstory/CorePatchForR.java b/app/src/main/java/toolkit/coderstory/CorePatchForR.java
@@ -17,6 +17,7 @@
 import java.lang.reflect.Method;
 import java.security.cert.Certificate;
 import java.security.cert.X509Certificate;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.zip.ZipEntry;
@@ -252,6 +253,30 @@ protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
  }
  }
  }
+
+ var keySetManagerClass = findClass("com.android.server.pm.KeySetManagerService", loadPackageParam.classLoader);
+ if (keySetManagerClass != null) {
+ var shouldBypass = new ThreadLocal<Boolean>();
+ hookAllMethods(keySetManagerClass, "shouldCheckUpgradeKeySetLocked", new XC_MethodHook() {
+ @Override
+ protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+ if (prefs.getBoolean("digestCreak", true) && Arrays.stream(Thread.currentThread().getStackTrace()).anyMatch((o) -> "preparePackageLI".equals(o.getMethodName()))) {
+ shouldBypass.set(true);
+ param.setResult(true);
+ } else {
+ shouldBypass.set(false);
+ }
+ }
+ });
+ hookAllMethods(keySetManagerClass, "checkUpgradeKeySetLocked", new XC_MethodHook() {
+ @Override
+ protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+ if (prefs.getBoolean("digestCreak", true) && shouldBypass.get()) {
+ param.setResult(true);
+ }
+ }
+ });
+ }
  }
 
  Class<?> getSigningDetails(ClassLoader classLoader) {