Refactor zygisk to use native bridge to inject

Co-authored-by: vvb2060 <vvb2060@gmail.com>
Co-authored-by: topjohnwu <topjohnwu@gmail.com>

native/src/zygisk/native_bridge.cpp

@@ -0,0 +1,35 @@
+#include <android/dlext.h>
+#include <dlfcn.h>
+#include <unwind.h>
+
+#include <magisk.hpp>
+#include "../core/core.hpp"
+
+// The reference layout of this struct
+// https://cs.android.com/android/platform/superproject/main/+/main:art/libnativebridge/include/nativebridge/native_bridge.h
+struct NativeBridgeCallbacks {
+    uint32_t version;
+    void *padding[5];
+    bool (*isCompatibleWith)(uint32_t);
+};
+
+static bool is_compatible_with(uint32_t) {
+    auto name = get_prop(NBPROP);
+    android_dlextinfo info = {
+        .flags = ANDROID_DLEXT_FORCE_LOAD
+    };
+    void *handle = android_dlopen_ext(name.data(), RTLD_LAZY, &info);
+    if (handle) {
+        auto entry = reinterpret_cast<void (*)(void *)>(dlsym(handle, "zygisk_inject_entry"));
+        if (entry) {
+            entry(handle);
+        }
+    }
+    return false;
+}
+
+extern "C" [[maybe_unused]] NativeBridgeCallbacks NativeBridgeItf{
+    .version = 2,
+    .padding = {},
+    .isCompatibleWith = &is_compatible_with,
+};