| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <dlfcn.h> |
| #include <memory> |
| #include <unordered_map> |
| |
| #include <android-base/strings.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| #include <jni.h> |
| |
| #include "native_loader_namespace.h" |
| #include "nativehelper/scoped_utf_chars.h" |
| #include "nativeloader/dlext_namespaces.h" |
| #include "nativeloader/native_loader.h" |
| #include "public_libraries.h" |
| |
| namespace android { |
| namespace nativeloader { |
| |
| using ::testing::Eq; |
| using ::testing::Return; |
| using ::testing::StrEq; |
| using ::testing::_; |
| using internal::ConfigEntry; |
| using internal::ParseConfig; |
| |
| #if defined(__LP64__) |
| #define LIB_DIR "lib64" |
| #else |
| #define LIB_DIR "lib" |
| #endif |
| |
| // gmock interface that represents interested platform APIs on libdl and libnativebridge |
| class Platform { |
| public: |
| virtual ~Platform() {} |
| |
| // libdl APIs |
| virtual void* dlopen(const char* filename, int flags) = 0; |
| virtual int dlclose(void* handle) = 0; |
| virtual char* dlerror(void) = 0; |
| |
| // These mock_* are the APIs semantically the same across libdl and libnativebridge. |
| // Instead of having two set of mock APIs for the two, define only one set with an additional |
| // argument 'bool bridged' to identify the context (i.e., called for libdl or libnativebridge). |
| typedef char* mock_namespace_handle; |
| virtual bool mock_init_anonymous_namespace(bool bridged, const char* sonames, |
| const char* search_paths) = 0; |
| virtual mock_namespace_handle mock_create_namespace( |
| bool bridged, const char* name, const char* ld_library_path, const char* default_library_path, |
| uint64_t type, const char* permitted_when_isolated_path, mock_namespace_handle parent) = 0; |
| virtual bool mock_link_namespaces(bool bridged, mock_namespace_handle from, |
| mock_namespace_handle to, const char* sonames) = 0; |
| virtual mock_namespace_handle mock_get_exported_namespace(bool bridged, const char* name) = 0; |
| virtual void* mock_dlopen_ext(bool bridged, const char* filename, int flags, |
| mock_namespace_handle ns) = 0; |
| |
| // libnativebridge APIs for which libdl has no corresponding APIs |
| virtual bool NativeBridgeInitialized() = 0; |
| virtual const char* NativeBridgeGetError() = 0; |
| virtual bool NativeBridgeIsPathSupported(const char*) = 0; |
| virtual bool NativeBridgeIsSupported(const char*) = 0; |
| |
| // To mock "ClassLoader Object.getParent()" |
| virtual const char* JniObject_getParent(const char*) = 0; |
| }; |
| |
| // The mock does not actually create a namespace object. But simply casts the pointer to the |
| // string for the namespace name as the handle to the namespace object. |
| #define TO_ANDROID_NAMESPACE(str) \ |
| reinterpret_cast<struct android_namespace_t*>(const_cast<char*>(str)) |
| |
| #define TO_BRIDGED_NAMESPACE(str) \ |
| reinterpret_cast<struct native_bridge_namespace_t*>(const_cast<char*>(str)) |
| |
| #define TO_MOCK_NAMESPACE(ns) reinterpret_cast<Platform::mock_namespace_handle>(ns) |
| |
| // These represents built-in namespaces created by the linker according to ld.config.txt |
| static std::unordered_map<std::string, Platform::mock_namespace_handle> namespaces = { |
| {"system", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("system"))}, |
| {"default", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("default"))}, |
| {"com.android.art", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("com.android.art"))}, |
| {"sphal", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("sphal"))}, |
| {"vndk", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("vndk"))}, |
| {"com.android.neuralnetworks", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("com.android.neuralnetworks"))}, |
| {"com.android.cronet", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("com.android.cronet"))}, |
| }; |
| |
| // The actual gmock object |
| class MockPlatform : public Platform { |
| public: |
| explicit MockPlatform(bool is_bridged) : is_bridged_(is_bridged) { |
| ON_CALL(*this, NativeBridgeIsSupported(_)).WillByDefault(Return(is_bridged_)); |
| ON_CALL(*this, NativeBridgeIsPathSupported(_)).WillByDefault(Return(is_bridged_)); |
| ON_CALL(*this, mock_get_exported_namespace(_, _)) |
| .WillByDefault(testing::Invoke([](bool, const char* name) -> mock_namespace_handle { |
| if (namespaces.find(name) != namespaces.end()) { |
| return namespaces[name]; |
| } |
| return TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("(namespace not found")); |
| })); |
| } |
| |
| // Mocking libdl APIs |
| MOCK_METHOD2(dlopen, void*(const char*, int)); |
| MOCK_METHOD1(dlclose, int(void*)); |
| MOCK_METHOD0(dlerror, char*()); |
| |
| // Mocking the common APIs |
| MOCK_METHOD3(mock_init_anonymous_namespace, bool(bool, const char*, const char*)); |
| MOCK_METHOD7(mock_create_namespace, |
| mock_namespace_handle(bool, const char*, const char*, const char*, uint64_t, |
| const char*, mock_namespace_handle)); |
| MOCK_METHOD4(mock_link_namespaces, |
| bool(bool, mock_namespace_handle, mock_namespace_handle, const char*)); |
| MOCK_METHOD2(mock_get_exported_namespace, mock_namespace_handle(bool, const char*)); |
| MOCK_METHOD4(mock_dlopen_ext, void*(bool, const char*, int, mock_namespace_handle)); |
| |
| // Mocking libnativebridge APIs |
| MOCK_METHOD0(NativeBridgeInitialized, bool()); |
| MOCK_METHOD0(NativeBridgeGetError, const char*()); |
| MOCK_METHOD1(NativeBridgeIsPathSupported, bool(const char*)); |
| MOCK_METHOD1(NativeBridgeIsSupported, bool(const char*)); |
| |
| // Mocking "ClassLoader Object.getParent()" |
| MOCK_METHOD1(JniObject_getParent, const char*(const char*)); |
| |
| private: |
| bool is_bridged_; |
| }; |
| |
| static std::unique_ptr<MockPlatform> mock; |
| |
| // Provide C wrappers for the mock object. |
| extern "C" { |
| void* dlopen(const char* file, int flag) { |
| return mock->dlopen(file, flag); |
| } |
| |
| int dlclose(void* handle) { |
| return mock->dlclose(handle); |
| } |
| |
| char* dlerror(void) { |
| return mock->dlerror(); |
| } |
| |
| bool android_init_anonymous_namespace(const char* sonames, const char* search_path) { |
| return mock->mock_init_anonymous_namespace(false, sonames, search_path); |
| } |
| |
| struct android_namespace_t* android_create_namespace(const char* name, const char* ld_library_path, |
| const char* default_library_path, |
| uint64_t type, |
| const char* permitted_when_isolated_path, |
| struct android_namespace_t* parent) { |
| return TO_ANDROID_NAMESPACE( |
| mock->mock_create_namespace(false, name, ld_library_path, default_library_path, type, |
| permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent))); |
| } |
| |
| bool android_link_namespaces(struct android_namespace_t* from, struct android_namespace_t* to, |
| const char* sonames) { |
| return mock->mock_link_namespaces(false, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames); |
| } |
| |
| struct android_namespace_t* android_get_exported_namespace(const char* name) { |
| return TO_ANDROID_NAMESPACE(mock->mock_get_exported_namespace(false, name)); |
| } |
| |
| void* android_dlopen_ext(const char* filename, int flags, const android_dlextinfo* info) { |
| return mock->mock_dlopen_ext(false, filename, flags, TO_MOCK_NAMESPACE(info->library_namespace)); |
| } |
| |
| // libnativebridge APIs |
| bool NativeBridgeIsSupported(const char* libpath) { |
| return mock->NativeBridgeIsSupported(libpath); |
| } |
| |
| struct native_bridge_namespace_t* NativeBridgeGetExportedNamespace(const char* name) { |
| return TO_BRIDGED_NAMESPACE(mock->mock_get_exported_namespace(true, name)); |
| } |
| |
| struct native_bridge_namespace_t* NativeBridgeCreateNamespace( |
| const char* name, const char* ld_library_path, const char* default_library_path, uint64_t type, |
| const char* permitted_when_isolated_path, struct native_bridge_namespace_t* parent) { |
| return TO_BRIDGED_NAMESPACE( |
| mock->mock_create_namespace(true, name, ld_library_path, default_library_path, type, |
| permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent))); |
| } |
| |
| bool NativeBridgeLinkNamespaces(struct native_bridge_namespace_t* from, |
| struct native_bridge_namespace_t* to, const char* sonames) { |
| return mock->mock_link_namespaces(true, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames); |
| } |
| |
| void* NativeBridgeLoadLibraryExt(const char* libpath, int flag, |
| struct native_bridge_namespace_t* ns) { |
| return mock->mock_dlopen_ext(true, libpath, flag, TO_MOCK_NAMESPACE(ns)); |
| } |
| |
| bool NativeBridgeInitialized() { |
| return mock->NativeBridgeInitialized(); |
| } |
| |
| bool NativeBridgeInitAnonymousNamespace(const char* public_ns_sonames, |
| const char* anon_ns_library_path) { |
| return mock->mock_init_anonymous_namespace(true, public_ns_sonames, anon_ns_library_path); |
| } |
| |
| const char* NativeBridgeGetError() { |
| return mock->NativeBridgeGetError(); |
| } |
| |
| bool NativeBridgeIsPathSupported(const char* path) { |
| return mock->NativeBridgeIsPathSupported(path); |
| } |
| |
| } // extern "C" |
| |
| // A very simple JNI mock. |
| // jstring is a pointer to utf8 char array. We don't need utf16 char here. |
| // jobject, jclass, and jmethodID are also a pointer to utf8 char array |
| // Only a few JNI methods that are actually used in libnativeloader are mocked. |
| JNINativeInterface* CreateJNINativeInterface() { |
| JNINativeInterface* inf = new JNINativeInterface(); |
| memset(inf, 0, sizeof(JNINativeInterface)); |
| |
| inf->GetStringUTFChars = [](JNIEnv*, jstring s, jboolean*) -> const char* { |
| return reinterpret_cast<const char*>(s); |
| }; |
| |
| inf->ReleaseStringUTFChars = [](JNIEnv*, jstring, const char*) -> void { return; }; |
| |
| inf->NewStringUTF = [](JNIEnv*, const char* bytes) -> jstring { |
| return reinterpret_cast<jstring>(const_cast<char*>(bytes)); |
| }; |
| |
| inf->FindClass = [](JNIEnv*, const char* name) -> jclass { |
| return reinterpret_cast<jclass>(const_cast<char*>(name)); |
| }; |
| |
| inf->CallObjectMethodV = [](JNIEnv*, jobject obj, jmethodID mid, va_list) -> jobject { |
| if (strcmp("getParent", reinterpret_cast<const char*>(mid)) == 0) { |
| // JniObject_getParent can be a valid jobject or nullptr if there is |
| // no parent classloader. |
| const char* ret = mock->JniObject_getParent(reinterpret_cast<const char*>(obj)); |
| return reinterpret_cast<jobject>(const_cast<char*>(ret)); |
| } |
| return nullptr; |
| }; |
| |
| inf->GetMethodID = [](JNIEnv*, jclass, const char* name, const char*) -> jmethodID { |
| return reinterpret_cast<jmethodID>(const_cast<char*>(name)); |
| }; |
| |
| inf->NewWeakGlobalRef = [](JNIEnv*, jobject obj) -> jobject { return obj; }; |
| |
| inf->IsSameObject = [](JNIEnv*, jobject a, jobject b) -> jboolean { |
| return strcmp(reinterpret_cast<const char*>(a), reinterpret_cast<const char*>(b)) == 0; |
| }; |
| |
| return inf; |
| } |
| |
| static void* const any_nonnull = reinterpret_cast<void*>(0x12345678); |
| |
| // Custom matcher for comparing namespace handles |
| MATCHER_P(NsEq, other, "") { |
| *result_listener << "comparing " << reinterpret_cast<const char*>(arg) << " and " << other; |
| return strcmp(reinterpret_cast<const char*>(arg), reinterpret_cast<const char*>(other)) == 0; |
| } |
| |
| ///////////////////////////////////////////////////////////////// |
| |
| // Test fixture |
| class NativeLoaderTest : public ::testing::TestWithParam<bool> { |
| protected: |
| bool IsBridged() { return GetParam(); } |
| |
| void SetUp() override { |
| mock = std::make_unique<testing::NiceMock<MockPlatform>>(IsBridged()); |
| |
| env = std::make_unique<JNIEnv>(); |
| env->functions = CreateJNINativeInterface(); |
| } |
| |
| void SetExpectations() { |
| std::vector<std::string> default_public_libs = |
| android::base::Split(preloadable_public_libraries(), ":"); |
| for (auto l : default_public_libs) { |
| EXPECT_CALL(*mock, dlopen(StrEq(l.c_str()), RTLD_NOW | RTLD_NODELETE)) |
| .WillOnce(Return(any_nonnull)); |
| } |
| } |
| |
| void RunTest() { InitializeNativeLoader(); } |
| |
| void TearDown() override { |
| ResetNativeLoader(); |
| delete env->functions; |
| mock.reset(); |
| } |
| |
| std::unique_ptr<JNIEnv> env; |
| }; |
| |
| ///////////////////////////////////////////////////////////////// |
| |
| TEST_P(NativeLoaderTest, InitializeLoadsDefaultPublicLibraries) { |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(NativeLoaderTests, NativeLoaderTest, testing::Bool()); |
| |
| ///////////////////////////////////////////////////////////////// |
| |
| class NativeLoaderTest_Create : public NativeLoaderTest { |
| protected: |
| // Test inputs (initialized to the default values). Overriding these |
| // must be done before calling SetExpectations() and RunTest(). |
| uint32_t target_sdk_version = 29; |
| std::string class_loader = "my_classloader"; |
| bool is_shared = false; |
| std::string dex_path = "/data/app/foo/classes.dex"; |
| std::string library_path = "/data/app/foo/" LIB_DIR "/arm"; |
| std::string permitted_path = "/data/app/foo/" LIB_DIR; |
| |
| // expected output (.. for the default test inputs) |
| std::string expected_namespace_name = "classloader-namespace"; |
| uint64_t expected_namespace_flags = |
| ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_ALSO_USED_AS_ANONYMOUS; |
| std::string expected_library_path = library_path; |
| std::string expected_permitted_path = std::string("/data:/mnt/expand:") + permitted_path; |
| std::string expected_parent_namespace = "system"; |
| bool expected_link_with_platform_ns = true; |
| bool expected_link_with_art_ns = true; |
| bool expected_link_with_sphal_ns = !vendor_public_libraries().empty(); |
| bool expected_link_with_vndk_ns = false; |
| bool expected_link_with_default_ns = false; |
| bool expected_link_with_neuralnetworks_ns = true; |
| bool expected_link_with_cronet_ns = true; |
| std::string expected_shared_libs_to_platform_ns = default_public_libraries(); |
| std::string expected_shared_libs_to_art_ns = art_public_libraries(); |
| std::string expected_shared_libs_to_sphal_ns = vendor_public_libraries(); |
| std::string expected_shared_libs_to_vndk_ns = vndksp_libraries(); |
| std::string expected_shared_libs_to_default_ns = default_public_libraries(); |
| std::string expected_shared_libs_to_neuralnetworks_ns = neuralnetworks_public_libraries(); |
| std::string expected_shared_libs_to_cronet_ns = cronet_public_libraries(); |
| |
| void SetExpectations() { |
| NativeLoaderTest::SetExpectations(); |
| |
| ON_CALL(*mock, JniObject_getParent(StrEq(class_loader))).WillByDefault(Return(nullptr)); |
| |
| EXPECT_CALL(*mock, NativeBridgeIsPathSupported(_)).Times(testing::AnyNumber()); |
| EXPECT_CALL(*mock, NativeBridgeInitialized()).Times(testing::AnyNumber()); |
| |
| EXPECT_CALL(*mock, mock_create_namespace( |
| Eq(IsBridged()), StrEq(expected_namespace_name), nullptr, |
| StrEq(expected_library_path), expected_namespace_flags, |
| StrEq(expected_permitted_path), NsEq(expected_parent_namespace.c_str()))) |
| .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(dex_path.c_str())))); |
| if (expected_link_with_platform_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("system"), |
| StrEq(expected_shared_libs_to_platform_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_art_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("com.android.art"), |
| StrEq(expected_shared_libs_to_art_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_sphal_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("sphal"), |
| StrEq(expected_shared_libs_to_sphal_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_vndk_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("vndk"), |
| StrEq(expected_shared_libs_to_vndk_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_default_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("default"), |
| StrEq(expected_shared_libs_to_default_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_neuralnetworks_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("com.android.neuralnetworks"), |
| StrEq(expected_shared_libs_to_neuralnetworks_ns))) |
| .WillOnce(Return(true)); |
| } |
| if (expected_link_with_cronet_ns) { |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("com.android.cronet"), |
| StrEq(expected_shared_libs_to_cronet_ns))) |
| .WillOnce(Return(true)); |
| } |
| } |
| |
| void RunTest() { |
| NativeLoaderTest::RunTest(); |
| |
| jstring err = CreateClassLoaderNamespace( |
| env(), target_sdk_version, env()->NewStringUTF(class_loader.c_str()), is_shared, |
| env()->NewStringUTF(dex_path.c_str()), env()->NewStringUTF(library_path.c_str()), |
| env()->NewStringUTF(permitted_path.c_str())); |
| |
| // no error |
| EXPECT_EQ(err, nullptr) << "Error is: " << std::string(ScopedUtfChars(env(), err).c_str()); |
| |
| if (!IsBridged()) { |
| struct android_namespace_t* ns = |
| FindNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str())); |
| |
| // The created namespace is for this apk |
| EXPECT_EQ(dex_path.c_str(), reinterpret_cast<const char*>(ns)); |
| } else { |
| struct NativeLoaderNamespace* ns = |
| FindNativeLoaderNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str())); |
| |
| // The created namespace is for the this apk |
| EXPECT_STREQ(dex_path.c_str(), |
| reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace())); |
| } |
| } |
| |
| JNIEnv* env() { return NativeLoaderTest::env.get(); } |
| }; |
| |
| TEST_P(NativeLoaderTest_Create, DownloadedApp) { |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, BundledSystemApp) { |
| dex_path = "/system/app/foo/foo.apk"; |
| is_shared = true; |
| |
| expected_namespace_name = "classloader-namespace-shared"; |
| expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, BundledVendorApp) { |
| dex_path = "/vendor/app/foo/foo.apk"; |
| is_shared = true; |
| |
| expected_namespace_name = "classloader-namespace-shared"; |
| expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, UnbundledVendorApp) { |
| dex_path = "/vendor/app/foo/foo.apk"; |
| is_shared = false; |
| |
| expected_namespace_name = "vendor-classloader-namespace"; |
| expected_library_path = expected_library_path + ":/vendor/" LIB_DIR; |
| expected_permitted_path = expected_permitted_path + ":/vendor/" LIB_DIR; |
| expected_shared_libs_to_platform_ns = |
| expected_shared_libs_to_platform_ns + ":" + llndk_libraries_vendor(); |
| expected_link_with_vndk_ns = true; |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, BundledProductApp) { |
| dex_path = "/product/app/foo/foo.apk"; |
| is_shared = true; |
| |
| expected_namespace_name = "classloader-namespace-shared"; |
| expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED; |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, UnbundledProductApp) { |
| dex_path = "/product/app/foo/foo.apk"; |
| is_shared = false; |
| |
| if (is_product_vndk_version_defined()) { |
| expected_namespace_name = "vendor-classloader-namespace"; |
| expected_library_path = expected_library_path + ":/product/" LIB_DIR ":/system/product/" LIB_DIR; |
| expected_permitted_path = |
| expected_permitted_path + ":/product/" LIB_DIR ":/system/product/" LIB_DIR; |
| expected_shared_libs_to_platform_ns = |
| expected_shared_libs_to_platform_ns + ":" + llndk_libraries_product(); |
| expected_link_with_vndk_ns = true; |
| } |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, NamespaceForSharedLibIsNotUsedAsAnonymousNamespace) { |
| if (IsBridged()) { |
| // There is no shared lib in translated arch |
| // TODO(jiyong): revisit this |
| return; |
| } |
| // compared to apks, for java shared libs, library_path is empty; java shared |
| // libs don't have their own native libs. They use platform's. |
| library_path = ""; |
| expected_library_path = library_path; |
| // no ALSO_USED_AS_ANONYMOUS |
| expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED; |
| SetExpectations(); |
| RunTest(); |
| } |
| |
| TEST_P(NativeLoaderTest_Create, TwoApks) { |
| SetExpectations(); |
| const uint32_t second_app_target_sdk_version = 29; |
| const std::string second_app_class_loader = "second_app_classloader"; |
| const bool second_app_is_shared = false; |
| const std::string second_app_dex_path = "/data/app/bar/classes.dex"; |
| const std::string second_app_library_path = "/data/app/bar/" LIB_DIR "/arm"; |
| const std::string second_app_permitted_path = "/data/app/bar/" LIB_DIR; |
| const std::string expected_second_app_permitted_path = |
| std::string("/data:/mnt/expand:") + second_app_permitted_path; |
| const std::string expected_second_app_parent_namespace = "classloader-namespace"; |
| // no ALSO_USED_AS_ANONYMOUS |
| const uint64_t expected_second_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED; |
| |
| // The scenario is that second app is loaded by the first app. |
| // So the first app's classloader (`classloader`) is parent of the second |
| // app's classloader. |
| ON_CALL(*mock, JniObject_getParent(StrEq(second_app_class_loader))) |
| .WillByDefault(Return(class_loader.c_str())); |
| |
| // namespace for the second app is created. Its parent is set to the namespace |
| // of the first app. |
| EXPECT_CALL(*mock, mock_create_namespace( |
| Eq(IsBridged()), StrEq(expected_namespace_name), nullptr, |
| StrEq(second_app_library_path), expected_second_namespace_flags, |
| StrEq(expected_second_app_permitted_path), NsEq(dex_path.c_str()))) |
| .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(second_app_dex_path.c_str())))); |
| EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), NsEq(second_app_dex_path.c_str()), _, _)) |
| .WillRepeatedly(Return(true)); |
| |
| RunTest(); |
| jstring err = CreateClassLoaderNamespace( |
| env(), second_app_target_sdk_version, env()->NewStringUTF(second_app_class_loader.c_str()), |
| second_app_is_shared, env()->NewStringUTF(second_app_dex_path.c_str()), |
| env()->NewStringUTF(second_app_library_path.c_str()), |
| env()->NewStringUTF(second_app_permitted_path.c_str())); |
| |
| // success |
| EXPECT_EQ(err, nullptr) << "Error is: " << std::string(ScopedUtfChars(env(), err).c_str()); |
| |
| if (!IsBridged()) { |
| struct android_namespace_t* ns = |
| FindNamespaceByClassLoader(env(), env()->NewStringUTF(second_app_class_loader.c_str())); |
| |
| // The created namespace is for the second apk |
| EXPECT_EQ(second_app_dex_path.c_str(), reinterpret_cast<const char*>(ns)); |
| } else { |
| struct NativeLoaderNamespace* ns = FindNativeLoaderNamespaceByClassLoader( |
| env(), env()->NewStringUTF(second_app_class_loader.c_str())); |
| |
| // The created namespace is for the second apk |
| EXPECT_STREQ(second_app_dex_path.c_str(), |
| reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace())); |
| } |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(NativeLoaderTests_Create, NativeLoaderTest_Create, testing::Bool()); |
| |
| const std::function<Result<bool>(const struct ConfigEntry&)> always_true = |
| [](const struct ConfigEntry&) -> Result<bool> { return true; }; |
| |
| TEST(NativeLoaderConfigParser, NamesAndComments) { |
| const char file_content[] = R"( |
| ###### |
| |
| libA.so |
| #libB.so |
| |
| |
| libC.so |
| libD.so |
| #### libE.so |
| )"; |
| const std::vector<std::string> expected_result = {"libA.so", "libC.so", "libD.so"}; |
| Result<std::vector<std::string>> result = ParseConfig(file_content, always_true); |
| ASSERT_RESULT_OK(result); |
| ASSERT_EQ(expected_result, *result); |
| } |
| |
| TEST(NativeLoaderConfigParser, WithBitness) { |
| const char file_content[] = R"( |
| libA.so 32 |
| libB.so 64 |
| libC.so |
| )"; |
| #if defined(__LP64__) |
| const std::vector<std::string> expected_result = {"libB.so", "libC.so"}; |
| #else |
| const std::vector<std::string> expected_result = {"libA.so", "libC.so"}; |
| #endif |
| Result<std::vector<std::string>> result = ParseConfig(file_content, always_true); |
| ASSERT_RESULT_OK(result); |
| ASSERT_EQ(expected_result, *result); |
| } |
| |
| TEST(NativeLoaderConfigParser, WithNoPreload) { |
| const char file_content[] = R"( |
| libA.so nopreload |
| libB.so nopreload |
| libC.so |
| )"; |
| |
| const std::vector<std::string> expected_result = {"libC.so"}; |
| Result<std::vector<std::string>> result = |
| ParseConfig(file_content, |
| [](const struct ConfigEntry& entry) -> Result<bool> { return !entry.nopreload; }); |
| ASSERT_RESULT_OK(result); |
| ASSERT_EQ(expected_result, *result); |
| } |
| |
| TEST(NativeLoaderConfigParser, WithNoPreloadAndBitness) { |
| const char file_content[] = R"( |
| libA.so nopreload 32 |
| libB.so 64 nopreload |
| libC.so 32 |
| libD.so 64 |
| libE.so nopreload |
| )"; |
| |
| #if defined(__LP64__) |
| const std::vector<std::string> expected_result = {"libD.so"}; |
| #else |
| const std::vector<std::string> expected_result = {"libC.so"}; |
| #endif |
| Result<std::vector<std::string>> result = |
| ParseConfig(file_content, |
| [](const struct ConfigEntry& entry) -> Result<bool> { return !entry.nopreload; }); |
| ASSERT_RESULT_OK(result); |
| ASSERT_EQ(expected_result, *result); |
| } |
| |
| TEST(NativeLoaderConfigParser, RejectMalformed) { |
| ASSERT_FALSE(ParseConfig("libA.so 32 64", always_true).ok()); |
| ASSERT_FALSE(ParseConfig("libA.so 32 32", always_true).ok()); |
| ASSERT_FALSE(ParseConfig("libA.so 32 nopreload 64", always_true).ok()); |
| ASSERT_FALSE(ParseConfig("32 libA.so nopreload", always_true).ok()); |
| ASSERT_FALSE(ParseConfig("nopreload libA.so 32", always_true).ok()); |
| ASSERT_FALSE(ParseConfig("libA.so nopreload # comment", always_true).ok()); |
| } |
| |
| } // namespace nativeloader |
| } // namespace android |