blob: a07551032c4390ce35f9775ee17e7db625c0cd00 [file] [log] [blame]
/*
* 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 "native_loader_test.h"
#include <functional>
#include <map>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "android-base/properties.h"
#include "android-base/result.h"
#include "android-base/stringprintf.h"
#include "android-base/strings.h"
#include "dlfcn.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 internal::ConfigEntry; // NOLINT - ConfigEntry is actually used
using internal::ParseApexLibrariesConfig;
using internal::ParseConfig;
using ::testing::_;
using ::testing::Eq;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::StartsWith;
using ::testing::StrEq;
#if defined(__LP64__)
#define LIB_DIR "lib64"
#else
#define LIB_DIR "lib"
#endif
// gmock interface that represents interesting platform APIs in libdl_android and libnativebridge
class Platform {
public:
virtual ~Platform() {}
// These mock_* are the APIs semantically the same across libdl_android 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_android or
// libnativebridge).
using mock_namespace_handle = char*;
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_android 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;
};
// 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 = {
#define NAMESPACE_ENTRY(ns) \
{ ns, TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(ns)) }
NAMESPACE_ENTRY("com_android_i18n"),
NAMESPACE_ENTRY("com_android_neuralnetworks"),
NAMESPACE_ENTRY("com_android_art"),
// TODO(b/191644631) This can be removed when the test becomes more test-friendly.
// This is added so that the test can exercise the JNI lib related behavior.
NAMESPACE_ENTRY("com_android_conscrypt"),
NAMESPACE_ENTRY("default"),
NAMESPACE_ENTRY("sphal"),
NAMESPACE_ENTRY("product"),
NAMESPACE_ENTRY("system"),
NAMESPACE_ENTRY("vndk"),
NAMESPACE_ENTRY("vndk_product"),
#undef NAMESPACE_ENTRY
};
// 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];
}
std::string msg = android::base::StringPrintf("(namespace %s not found)", name);
// The strdup'ed string will leak, but the test is already failing if we get here.
return TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(strdup(msg.c_str())));
}));
}
// 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*));
private:
bool is_bridged_;
};
static std::unique_ptr<MockPlatform> mock;
// Provide C wrappers for the mock object. These symbols must be exported by ld
// to be able to override the real symbols in the shared libs.
extern "C" {
// libdl_android APIs
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"
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());
jni_mock = std::make_unique<testing::NiceMock<MockJni>>();
env = std::make_unique<JNIEnv>();
env->functions = CreateJNINativeInterface();
}
void SetExpectations() {
std::vector<std::string> default_public_libs =
android::base::Split(preloadable_public_libraries(), ":");
for (const std::string& l : default_public_libs) {
EXPECT_CALL(*mock,
mock_dlopen_ext(false, StrEq(l.c_str()), RTLD_NOW | RTLD_NODELETE, NotNull()))
.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();
}
TEST_P(NativeLoaderTest, OpenNativeLibraryWithoutClassloaderInApex) {
const char* test_lib_path = "libfoo.so";
void* fake_handle = &fake_handle; // Arbitrary non-null value
EXPECT_CALL(*mock,
mock_dlopen_ext(false, StrEq(test_lib_path), RTLD_NOW, NsEq("com_android_art")))
.WillOnce(Return(fake_handle));
bool needs_native_bridge = false;
char* errmsg = nullptr;
EXPECT_EQ(fake_handle,
OpenNativeLibrary(env.get(),
/*target_sdk_version=*/17,
test_lib_path,
/*class_loader=*/nullptr,
/*caller_location=*/"/apex/com.android.art/javalib/myloadinglib.jar",
/*library_path=*/nullptr,
&needs_native_bridge,
&errmsg));
// OpenNativeLibrary never uses nativebridge when there's no classloader. That
// should maybe change.
EXPECT_EQ(needs_native_bridge, false);
EXPECT_EQ(errmsg, nullptr);
}
TEST_P(NativeLoaderTest, OpenNativeLibraryWithoutClassloaderInFramework) {
const char* test_lib_path = "libfoo.so";
void* fake_handle = &fake_handle; // Arbitrary non-null value
EXPECT_CALL(*mock, mock_dlopen_ext(false, StrEq(test_lib_path), RTLD_NOW, NsEq("system")))
.WillOnce(Return(fake_handle));
bool needs_native_bridge = false;
char* errmsg = nullptr;
EXPECT_EQ(fake_handle,
OpenNativeLibrary(env.get(),
/*target_sdk_version=*/17,
test_lib_path,
/*class_loader=*/nullptr,
/*caller_location=*/"/system/framework/framework.jar!classes1.dex",
/*library_path=*/nullptr,
&needs_native_bridge,
&errmsg));
// OpenNativeLibrary never uses nativebridge when there's no classloader. That
// should maybe change.
EXPECT_EQ(needs_native_bridge, false);
EXPECT_EQ(errmsg, nullptr);
}
TEST_P(NativeLoaderTest, OpenNativeLibraryWithoutClassloaderAndCallerLocation) {
const char* test_lib_path = "libfoo.so";
void* fake_handle = &fake_handle; // Arbitrary non-null value
EXPECT_CALL(*mock, mock_dlopen_ext(false, StrEq(test_lib_path), RTLD_NOW, NsEq("system")))
.WillOnce(Return(fake_handle));
bool needs_native_bridge = false;
char* errmsg = nullptr;
EXPECT_EQ(fake_handle,
OpenNativeLibrary(env.get(),
/*target_sdk_version=*/17,
test_lib_path,
/*class_loader=*/nullptr,
/*caller_location=*/nullptr,
/*library_path=*/nullptr,
&needs_native_bridge,
&errmsg));
// OpenNativeLibrary never uses nativebridge when there's no classloader. That
// should maybe change.
EXPECT_EQ(needs_native_bridge, false);
EXPECT_EQ(errmsg, nullptr);
}
INSTANTIATE_TEST_SUITE_P(NativeLoaderTests, NativeLoaderTest, testing::Bool());
/////////////////////////////////////////////////////////////////
std::string append_extended_libraries(const std::string& libs) {
const std::string& ext_libs = extended_public_libraries();
if (!ext_libs.empty()) {
return libs + ":" + ext_libs;
}
return libs;
}
std::string default_public_and_extended_libraries() {
return append_extended_libraries(default_public_libraries());
}
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_prefix = "clns";
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_i18n_ns = true;
bool expected_link_with_conscrypt_ns = false;
bool expected_link_with_sphal_ns = !vendor_public_libraries().empty();
bool expected_link_with_product_ns = !product_public_libraries().empty();
bool expected_link_with_vndk_ns = false;
bool expected_link_with_vndk_product_ns = false;
bool expected_link_with_default_ns = false;
bool expected_link_with_neuralnetworks_ns = true;
std::string expected_shared_libs_to_platform_ns = default_public_and_extended_libraries();
std::string expected_shared_libs_to_art_ns = apex_public_libraries().at("com_android_art");
std::string expected_shared_libs_to_i18n_ns = apex_public_libraries().at("com_android_i18n");
std::string expected_shared_libs_to_conscrypt_ns = apex_jni_libraries("com_android_conscrypt");
std::string expected_shared_libs_to_sphal_ns = vendor_public_libraries();
std::string expected_shared_libs_to_product_ns = product_public_libraries();
std::string expected_shared_libs_to_vndk_ns = vndksp_libraries_vendor();
std::string expected_shared_libs_to_vndk_product_ns = vndksp_libraries_product();
std::string expected_shared_libs_to_default_ns = default_public_and_extended_libraries();
std::string expected_shared_libs_to_neuralnetworks_ns = apex_public_libraries().at("com_android_neuralnetworks");
void SetExpectations() {
NativeLoaderTest::SetExpectations();
ON_CALL(*jni_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()), StartsWith(expected_namespace_prefix + "-"), 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_i18n_ns) {
EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("com_android_i18n"),
StrEq(expected_shared_libs_to_i18n_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_product_ns) {
EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("product"),
StrEq(expected_shared_libs_to_product_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_vndk_product_ns) {
EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("vndk_product"),
StrEq(expected_shared_libs_to_vndk_product_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_conscrypt_ns) {
EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("com_android_conscrypt"),
StrEq(expected_shared_libs_to_conscrypt_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()), /*uses_library_list=*/ nullptr);
// 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_prefix = "clns-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_prefix = "clns-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_prefix = "vendor-clns";
expected_library_path = expected_library_path + ":/vendor/" LIB_DIR;
expected_permitted_path = expected_permitted_path + ":/vendor/" LIB_DIR;
expected_shared_libs_to_platform_ns =
default_public_libraries() + ":" + llndk_libraries_vendor();
if (android::base::GetProperty("ro.vndk.version", "") != "") {
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_prefix = "clns-shared";
expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, SystemServerWithApexJars) {
dex_path = "/system/framework/services.jar:/apex/com.android.conscrypt/javalib/service-foo.jar";
is_shared = true;
expected_namespace_prefix = "clns-shared";
expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED;
expected_link_with_conscrypt_ns = true;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, UnbundledProductApp) {
dex_path = "/product/app/foo/foo.apk";
is_shared = false;
if (is_product_treblelized()) {
expected_namespace_prefix = "product-clns";
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 =
append_extended_libraries(default_public_libraries() + ":" + llndk_libraries_product());
if (android::base::GetProperty("ro.product.vndk.version", "") != "") {
expected_link_with_vndk_product_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 = "clns";
// 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(*jni_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()), StartsWith(expected_namespace_prefix + "-"), 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()), /*uses_library_list=*/ nullptr);
// 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());
}
TEST(NativeLoaderApexLibrariesConfigParser, BasicLoading) {
const char file_content[] = R"(
# comment
jni com_android_foo libfoo.so
# Empty line is ignored
jni com_android_bar libbar.so:libbar2.so
public com_android_bar libpublic.so
)";
Result<std::map<std::string, std::string>> jni_libs =
ParseApexLibrariesConfig(file_content, "jni");
ASSERT_RESULT_OK(jni_libs);
std::map<std::string, std::string> expected_jni_libs {
{"com_android_foo", "libfoo.so"},
{"com_android_bar", "libbar.so:libbar2.so"},
};
ASSERT_EQ(expected_jni_libs, *jni_libs);
Result<std::map<std::string, std::string>> public_libs =
ParseApexLibrariesConfig(file_content, "public");
ASSERT_RESULT_OK(public_libs);
std::map<std::string, std::string> expected_public_libs {
{"com_android_bar", "libpublic.so"},
};
ASSERT_EQ(expected_public_libs, *public_libs);
}
TEST(NativeLoaderApexLibrariesConfigParser, RejectMalformedLine) {
const char file_content[] = R"(
jni com_android_foo libfoo
# missing <library list>
jni com_android_bar
)";
Result<std::map<std::string, std::string>> result = ParseApexLibrariesConfig(file_content, "jni");
ASSERT_FALSE(result.ok());
ASSERT_EQ("Malformed line \"jni com_android_bar\"", result.error().message());
}
TEST(NativeLoaderApexLibrariesConfigParser, RejectInvalidTag) {
const char file_content[] = R"(
jni apex1 lib
public apex2 lib
# unknown tag
unknown com_android_foo libfoo
)";
Result<std::map<std::string, std::string>> result = ParseApexLibrariesConfig(file_content, "jni");
ASSERT_FALSE(result.ok());
ASSERT_EQ("Invalid tag \"unknown com_android_foo libfoo\"", result.error().message());
}
TEST(NativeLoaderApexLibrariesConfigParser, RejectInvalidApexNamespace) {
const char file_content[] = R"(
# apex linker namespace should be mangled ('.' -> '_')
jni com.android.foo lib
)";
Result<std::map<std::string, std::string>> result = ParseApexLibrariesConfig(file_content, "jni");
ASSERT_FALSE(result.ok());
ASSERT_EQ("Invalid apex_namespace \"jni com.android.foo lib\"", result.error().message());
}
TEST(NativeLoaderApexLibrariesConfigParser, RejectInvalidLibraryList) {
const char file_content[] = R"(
# library list is ":" separated list of filenames
jni com_android_foo lib64/libfoo.so
)";
Result<std::map<std::string, std::string>> result = ParseApexLibrariesConfig(file_content, "jni");
ASSERT_FALSE(result.ok());
ASSERT_EQ("Invalid library_list \"jni com_android_foo lib64/libfoo.so\"", result.error().message());
}
} // namespace nativeloader
} // namespace android