Refactor dynamic modules feature

Bridge/src/main/java/com/elderdrivers/riru/xposed/Main.java

@@ -18,17 +18,17 @@ import static com.elderdrivers.riru.xposed.util.FileUtils.getDataPathPrefix;
 @SuppressLint("DefaultLocale")
 public class Main implements KeepAll {
 
-    public static String sAppDataDir = "";
+    public static String appDataDir = "";
-    public static String sAppProcessName = "";
+    public static String appProcessName = "";
-    private static String sForkAndSpecializePramsStr = "";
-    private static String sForkSystemServerPramsStr = "";
     /**
      * When set to true, install bootstrap hooks and loadModules
      * for each process when it starts.
      * This means you can deactivate or activate every module
      * for the process you restart without rebooting.
      */
-    private static boolean sIsDynamicModules = false;
+    public static boolean isDynamicModules = false;
+    private static String forkAndSpecializePramsStr = "";
+    private static String forkSystemServerPramsStr = "";
 
     static {
         init(Build.VERSION.SDK_INT);
@@ -45,29 +45,27 @@ public class Main implements KeepAll {
                                             boolean startChildZygote, String instructionSet,
                                             String appDataDir, boolean isDynamicModules) {
         if (BuildConfig.DEBUG) {
-            sForkAndSpecializePramsStr = String.format(
+            forkAndSpecializePramsStr = String.format(
                     "Zygote#forkAndSpecialize(%d, %d, %s, %d, %s, %d, %s, %s, %s, %s, %s, %s, %s)",
                     uid, gid, Arrays.toString(gids), debugFlags, Arrays.toString(rlimits),
                     mountExternal, seInfo, niceName, Arrays.toString(fdsToClose),
                     Arrays.toString(fdsToIgnore), startChildZygote, instructionSet, appDataDir);
         }
-        sAppDataDir = appDataDir;
+        Main.appDataDir = appDataDir;
-        sIsDynamicModules = isDynamicModules;
+        Main.isDynamicModules = isDynamicModules;
         Router.prepare(false);
         // install bootstrap hooks for secondary zygote
         Router.installBootstrapHooks(false);
-        if (!isDynamicModules) {
+        // load modules for secondary zygote
-            // load modules only once in zygote process
         Router.loadModulesSafely();
     }
-    }
 
     public static void forkAndSpecializePost(int pid, String appDataDir) {
         if (pid == 0) {
-            Utils.logD(sForkAndSpecializePramsStr + " = " + Process.myPid());
+            Utils.logD(forkAndSpecializePramsStr + " = " + Process.myPid());
             Router.onEnterChildProcess();
             DynamicBridge.onForkPost();
-            if (sIsDynamicModules) {
+            if (isDynamicModules) {
                 // load modules for each app process on its forked
                 Router.loadModulesSafely();
             }
@@ -78,26 +76,31 @@ public class Main implements KeepAll {
     }
 
     public static void forkSystemServerPre(int uid, int gid, int[] gids, int debugFlags, int[][] rlimits,
-                                           long permittedCapabilities, long effectiveCapabilities) {
+                                           long permittedCapabilities, long effectiveCapabilities,
+                                           boolean isDynamicModules) {
         if (BuildConfig.DEBUG) {
-            sForkSystemServerPramsStr = String.format("Zygote#forkSystemServer(%d, %d, %s, %d, %s, %d, %d)",
+            forkSystemServerPramsStr = String.format("Zygote#forkSystemServer(%d, %d, %s, %d, %s, %d, %d)",
                     uid, gid, Arrays.toString(gids), debugFlags, Arrays.toString(rlimits),
                     permittedCapabilities, effectiveCapabilities);
         }
-        sAppDataDir = getDataPathPrefix() + "android";
+        Main.appDataDir = getDataPathPrefix() + "android";
-        sIsDynamicModules = false;
+        Main.isDynamicModules = isDynamicModules;
+        Router.prepare(true);
         // install bootstrap hooks for main zygote as early as possible
-        // in case we miss some processes
+        // in case we miss some processes not forked via forkAndSpecialize
+        // for instance com.android.phone
         Router.installBootstrapHooks(true);
+        // loadModules have to be executed in zygote even isDynamicModules is false
+        // because if not global hooks installed in initZygote might not be
+        // propagated to processes not forked via forkAndSpecialize
+        Router.loadModulesSafely();
     }
 
     public static void forkSystemServerPost(int pid) {
         if (pid == 0) {
-            Utils.logD(sForkSystemServerPramsStr + " = " + Process.myPid());
+            Utils.logD(forkSystemServerPramsStr + " = " + Process.myPid());
             // in system_server process
             Router.onEnterChildProcess();
-            Router.prepare(true);
-            Router.loadModulesSafely();
         } else {
             // in zygote process, res is child zygote pid
             // don't print log here, see https://github.com/RikkaApps/Riru/blob/77adfd6a4a6a81bfd20569c910bc4854f2f84f5e/riru-core/jni/main/jni_native_method.cpp#L55-L66

Bridge/src/main/java/com/elderdrivers/riru/xposed/dexmaker/DexMakerUtils.java

@@ -25,8 +25,8 @@ public class DexMakerUtils {
         }
         String packageName = AndroidAppHelper.currentPackageName();
         if (TextUtils.isEmpty(packageName)) { //default to true
-            DexLog.w("packageName is empty, processName=" + Main.sAppProcessName
+            DexLog.w("packageName is empty, processName=" + Main.appProcessName
-                    + ", appDataDir=" + Main.sAppDataDir);
+                    + ", appDataDir=" + Main.appDataDir);
             return true;
         }
         return !SELinuxHelper.getAppDataFileService().checkFileExists(COMPAT_LIST_PATH + packageName);

Bridge/src/main/java/com/elderdrivers/riru/xposed/dexmaker/DynamicBridge.java

@@ -53,12 +53,12 @@ public final class DynamicBridge {
                     try {
                         // we always choose to use device encrypted storage data on android N and later
                         // in case some app is installing hooks before phone is unlocked
-                        String fixedAppDataDir = getDataPathPrefix() + getPackageName(Main.sAppDataDir) + "/";
+                        String fixedAppDataDir = getDataPathPrefix() + getPackageName(Main.appDataDir) + "/";
                         dexDir = new File(fixedAppDataDir, "/cache/edhookers/"
                                 + getCurrentProcessName().replace(":", "_") + "/");
                         dexOptDir = new File(dexDir, "oat");
                         dexDir.mkdirs();
-                        DexLog.d(Main.sAppProcessName + " deleting dir: " + dexOptDir.getAbsolutePath());
+                        DexLog.d(Main.appProcessName + " deleting dir: " + dexOptDir.getAbsolutePath());
                         try {
                             FileUtils.delete(dexOptDir);
                         } catch (Throwable throwable) {

Bridge/src/main/java/com/elderdrivers/riru/xposed/entry/hooker/HandleBindAppHooker.java

@@ -39,10 +39,10 @@ public class HandleBindAppHooker implements KeepMembers {
             ActivityThread activityThread = (ActivityThread) thiz;
             ApplicationInfo appInfo = (ApplicationInfo) getObjectField(bindData, "appInfo");
             // save app process name here for later use
-            Main.sAppProcessName = (String) getObjectField(bindData, "processName");
+            Main.appProcessName = (String) getObjectField(bindData, "processName");
             String reportedPackageName = appInfo.packageName.equals("android") ? "system" : appInfo.packageName;
-            Utils.logD("processName=" +  Main.sAppProcessName +
+            Utils.logD("processName=" +  Main.appProcessName +
-                    ", packageName=" + reportedPackageName + ", appDataDir=" + Main.sAppDataDir);
+                    ", packageName=" + reportedPackageName + ", appDataDir=" + Main.appDataDir);
 
             if (XposedBlackListHooker.shouldDisableHooks(reportedPackageName)) {
                 return;

Bridge/src/main/java/com/elderdrivers/riru/xposed/util/ProcessUtils.java

@@ -13,7 +13,7 @@ import java.io.InputStreamReader;
 public class ProcessUtils {
 
     public static String getCurrentProcessName() {
-        String prettyName = Main.sAppProcessName;
+        String prettyName = Main.appProcessName;
         if (!TextUtils.isEmpty(prettyName)) {
             return prettyName;
         }
@@ -23,7 +23,7 @@ public class ProcessUtils {
     /**
      * a common solution from https://stackoverflow.com/a/21389402
      * <p>
-     * use {@link com.elderdrivers.riru.xposed.Main#sAppProcessName} to get current process name
+     * use {@link com.elderdrivers.riru.xposed.Main#appProcessName} to get current process name
      */
     public static String getProcessName(int pid) {
         BufferedReader cmdlineReader = null;

Bridge/src/main/java/de/robv/android/xposed/XposedBridge.java

@@ -372,6 +372,12 @@ public final class XposedBridge {
 		}
 	}
 
+	public static void clearLoadedPackages() {
+		synchronized (sLoadedPackageCallbacks) {
+			sLoadedPackageCallbacks.clear();
+		}
+	}
+
 	/**
 	 * Adds a callback to be executed when the resources for an app are initialized.
 	 *
@@ -526,6 +532,10 @@ public final class XposedBridge {
 		public Object[] getSnapshot() {
 			return elements;
 		}
+
+		public synchronized void clear() {
+			elements = EMPTY_ARRAY;
+		}
 	}
 
 	public static class AdditionalHookInfo {

Bridge/src/main/java/de/robv/android/xposed/XposedInit.java

@@ -8,6 +8,7 @@ import android.util.Log;
 
 import com.android.internal.os.ZygoteInit;
 import com.elderdrivers.riru.xposed.BuildConfig;
+import com.elderdrivers.riru.xposed.Main;
 import com.elderdrivers.riru.xposed.entry.Router;
 import com.elderdrivers.riru.xposed.util.Utils;
 
@@ -93,9 +94,10 @@ public final class XposedInit {
     private static volatile AtomicBoolean modulesLoaded = new AtomicBoolean(false);
 
     public static void loadModules() throws IOException {
-        if (!modulesLoaded.compareAndSet(false, true)) {
+        if (!modulesLoaded.compareAndSet(false, true) && !Main.isDynamicModules) {
             return;
         }
+        XposedBridge.clearLoadedPackages();
         final String filename = INSTALLER_DATA_BASE_DIR + "conf/modules.list";
         BaseService service = SELinuxHelper.getAppDataFileService();
         if (!service.checkFileExists(filename)) {

Core/jni/main/inject/framework_hook.cpp

@@ -47,8 +47,8 @@ void onNativeForkSystemServerPre(JNIEnv *env, jclass clazz, uid_t uid, gid_t gid
     }
     prepareJavaEnv(env);
     // jump to java code
-    findAndCall(env, "forkSystemServerPre", "(II[II[[IJJ)V", uid, gid, gids, runtime_flags, rlimits,
+    findAndCall(env, "forkSystemServerPre", "(II[II[[IJJZ)V", uid, gid, gids, runtime_flags, rlimits,
-                permittedCapabilities, effectiveCapabilities);
+                permittedCapabilities, effectiveCapabilities, is_dynamic_modules());
 }