Full but still broken rework of everything

2026-05-08 19:28:57 +02:00
parent e5471b5fa0
commit 3aa0470bcf
56 changed files with 2247 additions and 1552 deletions
@@ -0,0 +1,88 @@
+#include <dlfcn.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <android/log.h>
+#include "zygisk.hpp"
+
+#define LOG_TAG "CamSwapperZygisk"
+#define ALOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+
+#define HOOK_LIB_PATH "/data/local/camera_magic/libcamera_hook.so"
+
+using zygisk::Api;
+using zygisk::AppSpecializeArgs;
+using zygisk::ServerSpecializeArgs;
+
+static bool is_camera_process(const char *process_name) {
+    if (!process_name) return false;
+    return (strstr(process_name, "cameraserver") != nullptr) ||
+           (strstr(process_name, "camera.provider") != nullptr) ||
+           (strstr(process_name, "android.hardware.camera") != nullptr);
+}
+
+class CamSwapperModule : public zygisk::ModuleBase {
+public:
+    void onLoad(Api *api, JNIEnv *env) override {
+        this->api = api;
+        this->env = env;
+        ALOGI("CamSwapper Zygisk module loaded");
+    }
+
+    void preAppSpecialize(AppSpecializeArgs *args) override {
+        if (args && args->nice_name) {
+            const char *process = env->GetStringUTFChars(args->nice_name, nullptr);
+            if (process) {
+                ALOGI("preAppSpecialize: %s", process);
+                env->ReleaseStringUTFChars(args->nice_name, process);
+            }
+        }
+    }
+
+    void postAppSpecialize(const AppSpecializeArgs *args) override {
+        if (args && args->nice_name) {
+            const char *process = env->GetStringUTFChars(args->nice_name, nullptr);
+            if (process) {
+                ALOGI("postAppSpecialize: %s", process);
+                if (is_camera_process(process)) {
+                    ALOGI("Loading hook in camera app: %s", process);
+                    load_hook_lib();
+                }
+                env->ReleaseStringUTFChars(args->nice_name, process);
+            }
+        }
+    }
+
+    void preServerSpecialize(ServerSpecializeArgs *args) override {
+        ALOGI("preServerSpecialize: system_server");
+    }
+
+    void postServerSpecialize(const ServerSpecializeArgs *args) override {
+        ALOGI("postServerSpecialize: system_server ready, loading hook");
+        load_hook_lib();
+    }
+
+private:
+    Api *api;
+    JNIEnv *env;
+
+    void load_hook_lib() {
+        struct stat st;
+        if (stat(HOOK_LIB_PATH, &st) != 0) {
+            ALOGE("Hook library not found: %s", HOOK_LIB_PATH);
+            return;
+        }
+
+        void *handle = dlopen(HOOK_LIB_PATH, RTLD_NOW | RTLD_LOCAL);
+        if (!handle) {
+            ALOGE("dlopen(%s) failed: %s", HOOK_LIB_PATH, dlerror());
+            return;
+        }
+
+        ALOGI("Hook library loaded: %s (handle=%p)", HOOK_LIB_PATH, handle);
+    }
+};
+
+REGISTER_ZYGISK_MODULE(CamSwapperModule)