Add compatibility for the new version of LSPosed

app/src/main/java/io/nekohasekai/sfa/xposed/HookInstaller.kt

@@ -0,0 +1,49 @@
+package io.nekohasekai.sfa.xposed
+
+import android.content.Context
+import io.nekohasekai.sfa.xposed.hooks.HookIConnectivityManagerOnTransact
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.ConnectivityServiceHookHelper
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkCapabilitiesWriteToParcel
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkInterfaceGetName
+import io.nekohasekai.sfa.xposed.hooks.hidevpnapp.HookPackageManagerGetInstalledPackages
+
+object HookInstaller {
+
+    private const val TAG = "XposedInit"
+
+    private val activityThreadClass by lazy { Class.forName("android.app.ActivityThread") }
+    private val currentActivityThreadMethod by lazy { activityThreadClass.getMethod("currentActivityThread") }
+    private val getSystemContextMethod by lazy { activityThreadClass.getMethod("getSystemContext") }
+
+    fun install(classLoader: ClassLoader) {
+        val systemContext = resolveSystemContext()
+        HookErrorStore.i(TAG, "handleSystemServerLoaded")
+        val hooks = arrayOf(
+            ConnectivityServiceHookHelper(classLoader),
+            HookIConnectivityManagerOnTransact(classLoader, systemContext),
+            HookPackageManagerGetInstalledPackages(classLoader),
+            HookNetworkCapabilitiesWriteToParcel(),
+            HookNetworkInterfaceGetName(classLoader),
+        )
+
+        hooks.forEach { hook ->
+            try {
+                hook.injectHook()
+            } catch (e: Throwable) {
+                HookErrorStore.e(
+                    TAG,
+                    "Failed to inject ${hook.javaClass.simpleName}",
+                    e,
+                )
+            }
+        }
+    }
+
+    private fun resolveSystemContext(): Context? = try {
+        val currentThread = currentActivityThreadMethod.invoke(null)
+        getSystemContextMethod.invoke(currentThread) as? Context
+    } catch (e: Throwable) {
+        HookErrorStore.e(TAG, "resolveSystemContext failed", e)
+        null
+    }
+}

app/src/main/java/io/nekohasekai/sfa/xposed/XposedInit.kt

@@ -1,54 +1,16 @@
 package io.nekohasekai.sfa.xposed
 
-import android.content.Context
 import io.github.libxposed.api.XposedInterface
 import io.github.libxposed.api.XposedModule
 import io.github.libxposed.api.XposedModuleInterface
-import io.nekohasekai.sfa.xposed.hooks.HookIConnectivityManagerOnTransact
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.ConnectivityServiceHookHelper
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkCapabilitiesWriteToParcel
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkInterfaceGetName
-import io.nekohasekai.sfa.xposed.hooks.hidevpnapp.HookPackageManagerGetInstalledPackages
 
 class XposedInit(base: XposedInterface, param: XposedModuleInterface.ModuleLoadedParam) : XposedModule(base, param) {
 
-    private val activityThreadClass by lazy { Class.forName("android.app.ActivityThread") }
-    private val currentActivityThreadMethod by lazy { activityThreadClass.getMethod("currentActivityThread") }
-    private val getSystemContextMethod by lazy { activityThreadClass.getMethod("getSystemContext") }
-
     override fun onSystemServerLoaded(param: XposedModuleInterface.SystemServerLoadedParam) {
-        val systemContext = resolveSystemContext()
-        HookErrorStore.i("XposedInit", "handleSystemServerLoaded")
-        val hooks = arrayOf(
-            ConnectivityServiceHookHelper(param.classLoader),
-            HookIConnectivityManagerOnTransact(param.classLoader, systemContext),
-            HookPackageManagerGetInstalledPackages(param.classLoader),
-            HookNetworkCapabilitiesWriteToParcel(),
-            HookNetworkInterfaceGetName(param.classLoader),
-        )
-
-        hooks.forEach { hook ->
-            try {
-                hook.injectHook()
-            } catch (e: Throwable) {
-                HookErrorStore.e(
-                    "XposedInit",
-                    "Failed to inject ${hook.javaClass.simpleName}",
-                    e,
-                )
-            }
-        }
+        HookInstaller.install(param.classLoader)
     }
 
     companion object {
         const val TAG = "sing-box-lsposed"
     }
-
-    private fun resolveSystemContext(): Context? = try {
-        val currentThread = currentActivityThreadMethod.invoke(null)
-        getSystemContextMethod.invoke(currentThread) as? Context
-    } catch (e: Throwable) {
-        HookErrorStore.e("XposedInit", "resolveSystemContext failed", e)
-        null
-    }
 }

app/src/main/java/io/nekohasekai/sfa/xposed/XposedInit101.kt

@@ -0,0 +1,11 @@
+package io.nekohasekai.sfa.xposed
+
+import io.github.libxposed.api.XposedModule
+import io.github.libxposed.api.XposedModuleInterface
+
+class XposedInit101 : XposedModule() {
+
+    override fun onSystemServerStarting(param: XposedModuleInterface.SystemServerStartingParam) {
+        HookInstaller.install(param.classLoader)
+    }
+}

app/src/main/resources/META-INF/xposed/java_init.list

@@ -1 +1,2 @@
 io.nekohasekai.sfa.xposed.XposedInit
+io.nekohasekai.sfa.xposed.XposedInit101

app/src/main/resources/META-INF/xposed/module.prop

@@ -1,3 +1,3 @@
 minApiVersion=100
-targetApiVersion=100
+targetApiVersion=101
 staticScope=true

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedInterfaceWrapper.java

@@ -21,9 +21,19 @@ import io.github.libxposed.api.utils.DexParser;
  */
 public class XposedInterfaceWrapper implements XposedInterface {
 
-    private final XposedInterface mBase;
+    private volatile XposedInterface mBase;
 
-    XposedInterfaceWrapper(@NonNull XposedInterface base) {
+    public XposedInterfaceWrapper() {
+    }
+
+    public XposedInterfaceWrapper(@NonNull XposedInterface base) {
+        mBase = base;
+    }
+
+    public final void attachFramework(@NonNull XposedInterface base) {
+        if (mBase != null) {
+            throw new IllegalStateException("Framework already attached");
+        }
         mBase = base;
     }
 

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedModule.java

@@ -9,11 +9,16 @@ import androidx.annotation.NonNull;
 @SuppressWarnings("unused")
 public abstract class XposedModule extends XposedInterfaceWrapper implements XposedModuleInterface {
     /**
-     * Instantiates a new Xposed module.<br/>
-     * When the module is loaded into the target process, the constructor will be called.
-     *
-     * @param base  The implementation interface provided by the framework, should not be used by the module
-     * @param param Information about the process in which the module is loaded
+     * No-arg constructor for API 101 contract: the framework instantiates the module via
+     * {@code Class.getDeclaredConstructor()}, then calls {@link #attachFramework}.
+     */
+    public XposedModule() {
+        super();
+    }
+
+    /**
+     * Two-arg constructor for API 100 contract: the framework instantiates the module via
+     * {@code (XposedInterface, ModuleLoadedParam)} and attaches the framework base inline.
      */
     public XposedModule(@NonNull XposedInterface base, @NonNull ModuleLoadedParam param) {
         super(base);

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedModuleInterface.java

@@ -1,5 +1,6 @@
 package io.github.libxposed.api;
 
+import android.app.AppComponentFactory;
 import android.content.pm.ApplicationInfo;
 import android.os.Build;
 
@@ -32,7 +33,7 @@ public interface XposedModuleInterface {
     }
 
     /**
-     * Wraps information about system server.
+     * Wraps information about system server. API 100 flavor.
      */
     interface SystemServerLoadedParam {
         /**
@@ -44,6 +45,26 @@ public interface XposedModuleInterface {
         ClassLoader getClassLoader();
     }
 
+    /**
+     * Wraps information about system server. API 101 flavor.
+     */
+    interface SystemServerStartingParam {
+        @NonNull
+        ClassLoader getClassLoader();
+    }
+
+    /**
+     * Wraps information about a package whose classloader is ready. API 101.
+     */
+    interface PackageReadyParam extends PackageLoadedParam {
+        @NonNull
+        ClassLoader getClassLoader();
+
+        @RequiresApi(Build.VERSION_CODES.P)
+        @NonNull
+        AppComponentFactory getAppComponentFactory();
+    }
+
     /**
      * Wraps information about the package being loaded.
      */
@@ -99,10 +120,28 @@ public interface XposedModuleInterface {
     }
 
     /**
-     * Gets notified when the system server is loaded.
+     * Gets notified when the system server is loaded. API 100.
      *
      * @param param Information about system server
      */
     default void onSystemServerLoaded(@NonNull SystemServerLoadedParam param) {
     }
+
+    /**
+     * API 101: invoked once per process after the module instance is attached.
+     */
+    default void onModuleLoaded(@NonNull ModuleLoadedParam param) {
+    }
+
+    /**
+     * API 101: invoked when a package's classloader is ready.
+     */
+    default void onPackageReady(@NonNull PackageReadyParam param) {
+    }
+
+    /**
+     * API 101: replaces {@link #onSystemServerLoaded(SystemServerLoadedParam)}.
+     */
+    default void onSystemServerStarting(@NonNull SystemServerStartingParam param) {
+    }
 }