解决files目录不存在问题

module.gradle

@@ -4,6 +4,6 @@ ext {
     moduleName = "myinjector"
     moduleAuthor = "jiqiu2021"
     moduleDescription = "注入任意SO到指定APP内"
-    moduleVersion = "v0.01"
+    moduleVersion = "v0.02"
     moduleVersionCode = 1
 }

module/src/main/cpp/game.h

@@ -5,6 +5,6 @@
 #ifndef ZYGISK_IL2CPPDUMPER_GAME_H
 #define ZYGISK_IL2CPPDUMPER_GAME_H
 
-#define AimPackageName "com.tencent.mobileqq"
+#define AimPackageName "re.pwnme"
 
 #endif //ZYGISK_IL2CPPDUMPER_GAME_H

module/src/main/cpp/hack.cpp

@@ -18,33 +18,48 @@
 #include <sys/stat.h>
 //#include <asm-generic/fcntl.h>
 #include <fcntl.h>
-void load_so(const char *game_data_dir, JavaVM *vm, const char *soname) {
+
+void hack_start(const char *game_data_dir) {
     bool load = false;
     LOGI("hack_start %s", game_data_dir);
+    // 构建 files 目录路径
+    char files_dir[256];
+    snprintf(files_dir, sizeof(files_dir), "%s/files", game_data_dir);
 
-    // 构建新文件路径，使用传入的 soname 参数
+    // 检查 files 目录是否存在
+    struct stat st = {0};
+    if (stat(files_dir, &st) == -1) {
+        LOGI("%s directory does not exist, creating...", files_dir);
+
+        // 创建目录并赋予 0755 权限
+        if (mkdir(files_dir, 0755) != 0) {
+            LOGE("Failed to create directory %s: %s (errno: %d)", files_dir, strerror(errno), errno);
+            return;
+        } else {
+            LOGI("Successfully created directory %s with 0755 permissions", files_dir);
+        }
+    } else {
+        LOGI("Directory %s already exists", files_dir);
+    }
+
+    // 构建新文件路径
     char new_so_path[256];
-    snprintf(new_so_path, sizeof(new_so_path), "%s/files/%s.so", game_data_dir, soname);
+    snprintf(new_so_path, sizeof(new_so_path), "%s/test.so", files_dir);
 
-    // 构建源文件路径
+    // 复制 /sdcard/test.so 到 game_data_dir 并重命名
-    char src_path[256];
+    const char *src_path = "/data/local/tmp/test.so";
-    snprintf(src_path, sizeof(src_path), "/data/local/tmp/%s.so", soname);
-
-    // 打开源文件
     int src_fd = open(src_path, O_RDONLY);
     if (src_fd < 0) {
         LOGE("Failed to open %s: %s (errno: %d)", src_path, strerror(errno), errno);
         return;
     }
 
-    // 打开目标文件
     int dest_fd = open(new_so_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
     if (dest_fd < 0) {
         LOGE("Failed to open %s", new_so_path);
         close(src_fd);
         return;
     }
-
     // 复制文件内容
     char buffer[4096];
     ssize_t bytes;
@@ -57,51 +72,104 @@ void load_so(const char *game_data_dir, JavaVM *vm, const char *soname) {
         }
     }
 
-    // 关闭文件描述符
     close(src_fd);
     close(dest_fd);
-
-    // 修改文件权限
     if (chmod(new_so_path, 0755) != 0) {
         LOGE("Failed to change permissions on %s: %s (errno: %d)", new_so_path, strerror(errno), errno);
         return;
     } else {
         LOGI("Successfully changed permissions to 755 on %s", new_so_path);
     }
+    JavaVM* vm;
+    auto libart = dlopen("libart.so", RTLD_NOW);
+    auto JNI_GetCreatedJavaVMs = (jint (*)(JavaVM **, jsize, jsize *)) dlsym(libart,
+                                                                             "JNI_GetCreatedJavaVMs");
+    LOGI("JNI_GetCreatedJavaVMs %p", JNI_GetCreatedJavaVMs);
+    JavaVM *vms_buf[1];
+    jsize num_vms;
+    jint status = JNI_GetCreatedJavaVMs(vms_buf, 1, &num_vms);
+    if (status == JNI_OK && num_vms > 0) {
+        vm = vms_buf[0];
+    } else {
+        LOGE("GetCreatedJavaVMs error");
+        return ;
+    }
 
-    // 加载 .so 文件
+    JNIEnv *env = nullptr;
-    void *handle;
+    bool needDetach = false;
-    for (int i = 0; i < 10; i++) {
+    jint getEnvStat = vm->GetEnv((void **)&env, JNI_VERSION_1_6);
-        handle = dlopen(new_so_path, RTLD_NOW | RTLD_LOCAL);
+    if (getEnvStat == JNI_EDETACHED) {
-        if (handle) {
+        LOGI("Thread not attached, attaching...");
-            LOGI("Successfully loaded %s", new_so_path);
+        if (vm->AttachCurrentThread(&env, NULL) != 0) {
-            load = true;
+            LOGE("Failed to attach current thread");
-            break;
+            return;
+        }
+        needDetach = true;
+    } else if (getEnvStat == JNI_OK) {
+        LOGI("Thread already attached");
+    } else if (getEnvStat == JNI_EVERSION) {
+        LOGE("JNI version not supported");
+        return;
+    } else {
+        LOGE("Failed to get the environment using GetEnv, error code: %d", getEnvStat);
+        return;
+    }
+
+    if (env != nullptr) {
+        jclass systemClass = env->FindClass("java/lang/System");
+        if (systemClass == NULL) {
+            LOGE("Failed to find java/lang/System class");
         } else {
-            LOGE("Failed to load %s: %s", new_so_path, dlerror());
+            jmethodID loadMethod = env->GetStaticMethodID(systemClass, "load", "(Ljava/lang/String;)V");
-            sleep(1);
+            if (loadMethod == NULL) {
+                LOGE("Failed to find System.load method");
+            } else {
+                jstring jLibPath = env->NewStringUTF(new_so_path);
+                env->CallStaticVoidMethod(systemClass, loadMethod, jLibPath);
+                if (env->ExceptionCheck()) {
+                    env->ExceptionDescribe();
+                    LOGE("Exception occurred while calling System.load %s",new_so_path);
+                    env->ExceptionClear();
+                } else {
+                    LOGI("Successfully loaded %s using System.load", new_so_path);
+                    load = true;
+                }
+                env->DeleteLocalRef(jLibPath);
+            }
+            env->DeleteLocalRef(systemClass);
         }
     }
 
-    // 如果加载失败
     if (!load) {
-        LOGI("%s.so not found in thread %d", soname, gettid());
+        LOGI("Attempting to load %s using dlopen", new_so_path);
+        void * handle;
+        for (int i = 0; i < 10; i++) {
+            handle = dlopen(new_so_path, RTLD_NOW | RTLD_LOCAL);
+            if (handle) {
+                LOGI("Successfully loaded %s using dlopen", new_so_path);
+                load = true;
+                void (*JNI_OnLoad)(JavaVM *, void *);
+                *(void **) (&JNI_OnLoad) = dlsym(handle, "JNI_OnLoad");
+                if (JNI_OnLoad) {
+                    LOGI("JNI_OnLoad symbol found, calling JNI_OnLoad.");
+                    JNI_OnLoad(vm, NULL);
+                } else {
+                    LOGE("JNI_OnLoad symbol not found in %s", new_so_path);
+                }
+                break;
+            } else {
+                LOGE("Failed to load %s: %s", new_so_path, dlerror());
+                sleep(1);
+            }
+        }
+    }
+    if (!load) {
+        LOGI("Failed to load test.so in thread %d", gettid());
+        return;
     }
 
-    // 查找 JNI_OnLoad 并调用
+
-//    void (*setupSignalHandler)();
+
-//    *(void **) (&setupSignalHandler) = dlsym(handle, "setupSignalHandler");
-//
-//    if (setupSignalHandler) {
-//        LOGI("setupSignalHandler symbol found, calling setupSignalHandler.");
-//        setupSignalHandler();  // 调用找到的函数
-//    } else {
-//        LOGE("setupSignalHandler symbol not found in %s", new_so_path);
-//    }
-}
-void hack_start(const char *game_data_dir,JavaVM *vm) {
-    load_so(game_data_dir,vm,"test");
-    //如果要注入多个so，那么就在这里不断的添加load_so函数即可
 }
 
 std::string GetLibDir(JavaVM *vms) {
@@ -262,7 +330,7 @@ void hack_prepare(const char *_data_dir, void *data, size_t length) {
 #if defined(__i386__) || defined(__x86_64__)
     if (!NativeBridgeLoad(_data_dir, api_level, data, length)) {
 #endif
-        hack_start(_data_dir, nullptr);
+        hack_start(_data_dir);
 #if defined(__i386__) || defined(__x86_64__)
     }
 #endif
@@ -272,7 +340,7 @@ void hack_prepare(const char *_data_dir, void *data, size_t length) {
 
 JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
     auto game_data_dir = (const char *) reserved;
-    std::thread hack_thread(hack_start, game_data_dir,vm);
+    std::thread hack_thread(hack_start, game_data_dir);
     hack_thread.detach();
     return JNI_VERSION_1_6;
 }

module/src/main/cpp/main.cpp

@@ -25,11 +25,7 @@ public:
     void preAppSpecialize(AppSpecializeArgs *args) override {
         auto package_name = env->GetStringUTFChars(args->nice_name, nullptr);
         auto app_data_dir = env->GetStringUTFChars(args->app_data_dir, nullptr);
-//        if (strcmp(package_name, AimPackageName) == 0){
+        LOGI("preAppSpecialize %s %s", package_name, app_data_dir);
-//            args->runtime_flags=8451;
-//        }
-        LOGI("preAppSpecialize %s %s %d", package_name, app_data_dir,args->runtime_flags);
-
         preSpecialize(package_name, app_data_dir);
         env->ReleaseStringUTFChars(args->nice_name, package_name);
         env->ReleaseStringUTFChars(args->app_data_dir, app_data_dir);