Merge "Add product apk support from libnativeloader" (23d77410) · Commits · e / os / android_system_core

libnativeloader/include/nativeloader/native_loader.h

+3 −8

Original line number	Diff line number	Diff line
		@@ -36,14 +36,9 @@ extern "C" {
		__attribute__((visibility("default")))
		void InitializeNativeLoader();

		__attribute__((visibility("default")))
		jstring CreateClassLoaderNamespace(JNIEnv* env,
		int32_t target_sdk_version,
		jobject class_loader,
		bool is_shared,
		bool is_for_vendor,
		jstring library_path,
		jstring permitted_path);
		__attribute__((visibility("default"))) jstring CreateClassLoaderNamespace(
		JNIEnv* env, int32_t target_sdk_version, jobject class_loader, bool is_shared, jstring dex_path,
		jstring library_path, jstring permitted_path);

		__attribute__((visibility("default"))) void* OpenNativeLibrary(
		JNIEnv* env, int32_t target_sdk_version, const char* path, jobject class_loader,

libnativeloader/native_loader.cpp

+79 −33

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@
		#include <list>
		#include <memory>
		#include <mutex>
		#include <regex>
		#include <string>
		#include <vector>

		@@ -140,10 +141,24 @@ static constexpr const char* kApexPath = "/apex/";

		#if defined(__LP64__)
		static constexpr const char* kRuntimeApexLibPath = "/apex/com.android.runtime/lib64";
		static constexpr const char* kVendorLibPath = "/vendor/lib64";
		static constexpr const char* kProductLibPath = "/product/lib64:/system/product/lib64";
		#else
		static constexpr const char* kRuntimeApexLibPath = "/apex/com.android.runtime/lib";
		static constexpr const char* kVendorLibPath = "/vendor/lib";
		static constexpr const char* kProductLibPath = "/product/lib:/system/product/lib";
		#endif

		static const std::regex kVendorDexPathRegex("(^\|:)/vendor/");
		static const std::regex kProductDexPathRegex("(^\|:)(/system)?/product/");

		// Define origin of APK if it is from vendor partition or product partition
		typedef enum {
		APK_ORIGIN_DEFAULT = 0,
		APK_ORIGIN_VENDOR = 1,
		APK_ORIGIN_PRODUCT = 2,
		} ApkOrigin;

		static bool is_debuggable() {
		bool debuggable = false;
		#ifdef __BIONIC__
		@@ -179,7 +194,7 @@ class LibraryNamespaces {
		LibraryNamespaces() : initialized_(false) { }

		NativeLoaderNamespace* Create(JNIEnv* env, uint32_t target_sdk_version, jobject class_loader,
		bool is_shared, bool is_for_vendor, jstring java_library_path,
		bool is_shared, jstring dex_path, jstring java_library_path,
		jstring java_permitted_path, std::string* error_msg) {
		std::string library_path; // empty string by default.

		@@ -188,6 +203,8 @@ class LibraryNamespaces {
		library_path = library_path_utf_chars.c_str();
		}

		ApkOrigin apk_origin = GetApkOriginFromDexPath(env, dex_path);

		// (http://b/27588281) This is a workaround for apps using custom
		// classloaders and calling System.load() with an absolute path which
		// is outside of the classloader library search path.
		@@ -234,31 +251,50 @@ class LibraryNamespaces {
		std::string system_exposed_libraries = system_public_libraries_;
		const char* namespace_name = kClassloaderNamespaceName;
		android_namespace_t* vndk_ns = nullptr;
		if (is_for_vendor && !is_shared) {
		LOG_FATAL_IF(is_native_bridge, "Unbundled vendor apk must not use translated architecture");
		if ((apk_origin == APK_ORIGIN_VENDOR \|\|
		(apk_origin == APK_ORIGIN_PRODUCT && target_sdk_version > 29)) &&
		!is_shared) {
		LOG_FATAL_IF(is_native_bridge,
		"Unbundled vendor / product apk must not use translated architecture");

		// For vendor apks, give access to the vendor lib even though
		// For vendor / product apks, give access to the vendor / product lib even though
		// they are treated as unbundled; the libs and apks are still bundled
		// together in the vendor partition.
		#if defined(__LP64__)
		std::string vendor_lib_path = "/vendor/lib64";
		#else
		std::string vendor_lib_path = "/vendor/lib";
		#endif
		library_path = library_path + ":" + vendor_lib_path.c_str();
		permitted_path = permitted_path + ":" + vendor_lib_path.c_str();
		// together in the vendor / product partition.
		const char* origin_partition;
		const char* origin_lib_path;

		switch (apk_origin) {
		case APK_ORIGIN_VENDOR:
		origin_partition = "vendor";
		origin_lib_path = kVendorLibPath;
		break;
		case APK_ORIGIN_PRODUCT:
		origin_partition = "product";
		origin_lib_path = kProductLibPath;
		break;
		default:
		origin_partition = "unknown";
		origin_lib_path = "";
		}

		LOG_FATAL_IF(is_native_bridge, "Unbundled %s apk must not use translated architecture",
		origin_partition);

		library_path = library_path + ":" + origin_lib_path;
		permitted_path = permitted_path + ":" + origin_lib_path;

		// Also give access to LLNDK libraries since they are available to vendors
		system_exposed_libraries = system_exposed_libraries + ":" + system_llndk_libraries_.c_str();

		// Give access to VNDK-SP libraries from the 'vndk' namespace.
		vndk_ns = android_get_exported_namespace(kVndkNamespaceName);
		LOG_ALWAYS_FATAL_IF(vndk_ns == nullptr,
		"Cannot find \"%s\" namespace for vendor apks", kVndkNamespaceName);
		LOG_ALWAYS_FATAL_IF(vndk_ns == nullptr, "Cannot find \"%s\" namespace for %s apks",
		kVndkNamespaceName, origin_partition);

		// Different name is useful for debugging
		namespace_name = kVendorClassloaderNamespaceName;
		ALOGD("classloader namespace configured for unbundled vendor apk. library_path=%s", library_path.c_str());
		ALOGD("classloader namespace configured for unbundled %s apk. library_path=%s",
		origin_partition, library_path.c_str());
		} else {
		// oem and product public libraries are NOT available to vendor apks, otherwise it
		// would be system->vendor violation.
		@@ -660,6 +696,28 @@ class LibraryNamespaces {
		return nullptr;
		}

		ApkOrigin GetApkOriginFromDexPath(JNIEnv* env, jstring dex_path) {
		ApkOrigin apk_origin = APK_ORIGIN_DEFAULT;

		if (dex_path != nullptr) {
		ScopedUtfChars dex_path_utf_chars(env, dex_path);

		if (std::regex_search(dex_path_utf_chars.c_str(), kVendorDexPathRegex)) {
		apk_origin = APK_ORIGIN_VENDOR;
		}

		if (std::regex_search(dex_path_utf_chars.c_str(), kProductDexPathRegex)) {
		LOG_ALWAYS_FATAL_IF(apk_origin == APK_ORIGIN_VENDOR,
		"Dex path contains both vendor and product partition : %s",
		dex_path_utf_chars.c_str());

		apk_origin = APK_ORIGIN_PRODUCT;
		}
		}

		return apk_origin;
		}

		bool initialized_;
		std::list<std::pair<jweak, NativeLoaderNamespace>> namespaces_;
		std::string system_public_libraries_;
		@@ -690,31 +748,20 @@ void ResetNativeLoader() {
		#endif
		}

		jstring CreateClassLoaderNamespace(JNIEnv* env,
		int32_t target_sdk_version,
		jobject class_loader,
		bool is_shared,
		bool is_for_vendor,
		jstring library_path,
		jstring CreateClassLoaderNamespace(JNIEnv* env, int32_t target_sdk_version, jobject class_loader,
		bool is_shared, jstring dex_path, jstring library_path,
		jstring permitted_path) {
		#if defined(__ANDROID__)
		std::lock_guard<std::mutex> guard(g_namespaces_mutex);

		std::string error_msg;
		bool success = g_namespaces->Create(env,
		target_sdk_version,
		class_loader,
		is_shared,
		is_for_vendor,
		library_path,
		permitted_path,
		&error_msg) != nullptr;
		bool success = g_namespaces->Create(env, target_sdk_version, class_loader, is_shared, dex_path,
		library_path, permitted_path, &error_msg) != nullptr;
		if (!success) {
		return env->NewStringUTF(error_msg.c_str());
		}
		#else
		UNUSED(env, target_sdk_version, class_loader, is_shared, is_for_vendor,
		library_path, permitted_path);
		UNUSED(env, target_sdk_version, class_loader, is_shared, dex_path, library_path, permitted_path);
		#endif
		return nullptr;
		}
		@@ -779,8 +826,7 @@ void* OpenNativeLibrary(JNIEnv* env, int32_t target_sdk_version, const char* pat
		// In this case we create an isolated not-shared namespace for it.
		std::string create_error_msg;
		if ((ns = g_namespaces->Create(env, target_sdk_version, class_loader, false /* is_shared */,
		false /* is_for_vendor */, library_path, nullptr,
		&create_error_msg)) == nullptr) {
		nullptr, library_path, nullptr, &create_error_msg)) == nullptr) {
		*error_msg = strdup(create_error_msg.c_str());
		return nullptr;
		}

libnativeloader/native_loader_lazy.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -50,10 +50,10 @@ void InitializeNativeLoader() {
		}

		jstring CreateClassLoaderNamespace(JNIEnv* env, int32_t target_sdk_version, jobject class_loader,
		bool is_shared, bool is_for_vendor, jstring library_path,
		bool is_shared, jstring dex_path, jstring library_path,
		jstring permitted_path) {
		static auto f = GET_FUNC_PTR(CreateClassLoaderNamespace);
		return f(env, target_sdk_version, class_loader, is_shared, is_for_vendor, library_path,
		return f(env, target_sdk_version, class_loader, is_shared, dex_path, library_path,
		permitted_path);
		}