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android_system_core/libnativeloader/native_loader_test.cpp

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/*
* 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 "nativeloader/dlext_namespaces.h"
#include "nativeloader/native_loader.h"
#include "public_libraries.h"
using namespace ::testing;
using namespace ::android::nativeloader::internal;
namespace android {
namespace nativeloader {
// 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 = {
{"platform", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("platform"))},
{"default", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("default"))},
{"runtime", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("runtime"))},
{"sphal", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("sphal"))},
{"vndk", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("vndk"))},
{"neuralnetworks", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("neuralnetworks"))},
};
// The actual gmock object
class MockPlatform : public Platform {
public:
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(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<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/arm";
std::string permitted_path = "/data/app/foo/lib";
// 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 = "platform";
bool expected_link_with_platform_ns = true;
bool expected_link_with_runtime_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;
std::string expected_shared_libs_to_platform_ns = default_public_libraries();
std::string expected_shared_libs_to_runtime_ns = runtime_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();
void SetExpectations() {
NativeLoaderTest::SetExpectations();
ON_CALL(*mock, JniObject_getParent(StrEq(class_loader))).WillByDefault(Return(nullptr));
EXPECT_CALL(*mock, NativeBridgeIsPathSupported(_)).Times(AnyNumber());
EXPECT_CALL(*mock, NativeBridgeInitialized()).Times(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("platform"),
StrEq(expected_shared_libs_to_platform_ns)))
.WillOnce(Return(true));
}
if (expected_link_with_runtime_ns) {
EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("runtime"),
StrEq(expected_shared_libs_to_runtime_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("neuralnetworks"),
StrEq(expected_shared_libs_to_neuralnetworks_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);
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_flags |= ANDROID_NAMESPACE_TYPE_SHARED;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, BundledVendorApp) {
dex_path = "/vendor/app/foo/foo.apk";
is_shared = true;
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";
expected_permitted_path = expected_permitted_path + ":/vendor/lib";
expected_shared_libs_to_platform_ns =
expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
expected_link_with_vndk_ns = true;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, BundledProductApp_pre30) {
dex_path = "/product/app/foo/foo.apk";
is_shared = true;
expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, BundledProductApp_post30) {
dex_path = "/product/app/foo/foo.apk";
is_shared = true;
target_sdk_version = 30;
expected_namespace_flags |= ANDROID_NAMESPACE_TYPE_SHARED;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, UnbundledProductApp_pre30) {
dex_path = "/product/app/foo/foo.apk";
is_shared = false;
SetExpectations();
RunTest();
}
TEST_P(NativeLoaderTest_Create, UnbundledProductApp_post30) {
dex_path = "/product/app/foo/foo.apk";
is_shared = false;
target_sdk_version = 30;
expected_namespace_name = "vendor-classloader-namespace";
expected_library_path = expected_library_path + ":/product/lib:/system/product/lib";
expected_permitted_path = expected_permitted_path + ":/product/lib:/system/product/lib";
expected_shared_libs_to_platform_ns =
expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
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/arm";
const std::string second_app_permitted_path = "/data/app/bar/lib";
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);
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_TRUE(result) << result.error().message();
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_TRUE(result) << result.error().message();
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_TRUE(result) << result.error().message();
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_TRUE(result) << result.error().message();
ASSERT_EQ(expected_result, *result);
}
TEST(NativeLoaderConfigParser, RejectMalformed) {
ASSERT_FALSE(ParseConfig("libA.so 32 64", always_true));
ASSERT_FALSE(ParseConfig("libA.so 32 32", always_true));
ASSERT_FALSE(ParseConfig("libA.so 32 nopreload 64", always_true));
ASSERT_FALSE(ParseConfig("32 libA.so nopreload", always_true));
ASSERT_FALSE(ParseConfig("nopreload libA.so 32", always_true));
ASSERT_FALSE(ParseConfig("libA.so nopreload # comment", always_true));
}
} // namespace nativeloader
} // namespace android
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