| /* |
| * Copyright (C) 2017 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 <fstream> |
| #include <functional> |
| #include <string_view> |
| #include <thread> |
| #include <type_traits> |
| |
| #include <android-base/file.h> |
| #include <android-base/logging.h> |
| #include <android-base/properties.h> |
| #include <android-base/stringprintf.h> |
| #include <android/api-level.h> |
| #include <gtest/gtest.h> |
| #include <selinux/selinux.h> |
| #include <sys/resource.h> |
| |
| #include "action.h" |
| #include "action_manager.h" |
| #include "action_parser.h" |
| #include "builtin_arguments.h" |
| #include "builtins.h" |
| #include "import_parser.h" |
| #include "init.h" |
| #include "keyword_map.h" |
| #include "parser.h" |
| #include "service.h" |
| #include "service_list.h" |
| #include "service_parser.h" |
| #include "util.h" |
| |
| using android::base::GetIntProperty; |
| using android::base::GetProperty; |
| using android::base::SetProperty; |
| using android::base::StringPrintf; |
| using android::base::StringReplace; |
| using android::base::WaitForProperty; |
| using namespace std::literals; |
| |
| namespace android { |
| namespace init { |
| |
| using ActionManagerCommand = std::function<void(ActionManager&)>; |
| |
| void TestInit(const std::string& init_script_file, const BuiltinFunctionMap& test_function_map, |
| const std::vector<ActionManagerCommand>& commands, ActionManager* action_manager, |
| ServiceList* service_list) { |
| Action::set_function_map(&test_function_map); |
| |
| Parser parser; |
| parser.AddSectionParser("service", |
| std::make_unique<ServiceParser>(service_list, nullptr, std::nullopt)); |
| parser.AddSectionParser("on", std::make_unique<ActionParser>(action_manager, nullptr)); |
| parser.AddSectionParser("import", std::make_unique<ImportParser>(&parser)); |
| |
| ASSERT_TRUE(parser.ParseConfig(init_script_file)); |
| |
| for (const auto& command : commands) { |
| command(*action_manager); |
| } |
| |
| while (action_manager->HasMoreCommands()) { |
| action_manager->ExecuteOneCommand(); |
| } |
| } |
| |
| void TestInitText(const std::string& init_script, const BuiltinFunctionMap& test_function_map, |
| const std::vector<ActionManagerCommand>& commands, ActionManager* action_manager, |
| ServiceList* service_list) { |
| TemporaryFile tf; |
| ASSERT_TRUE(tf.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd(init_script, tf.fd)); |
| TestInit(tf.path, test_function_map, commands, action_manager, service_list); |
| } |
| |
| TEST(init, SimpleEventTrigger) { |
| bool expect_true = false; |
| std::string init_script = |
| R"init( |
| on boot |
| pass_test |
| )init"; |
| |
| auto do_pass_test = [&expect_true](const BuiltinArguments&) { |
| expect_true = true; |
| return Result<void>{}; |
| }; |
| BuiltinFunctionMap test_function_map = { |
| {"pass_test", {0, 0, {false, do_pass_test}}}, |
| }; |
| |
| ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); }; |
| std::vector<ActionManagerCommand> commands{trigger_boot}; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInitText(init_script, test_function_map, commands, &action_manager, &service_list); |
| |
| EXPECT_TRUE(expect_true); |
| } |
| |
| TEST(init, WrongEventTrigger) { |
| std::string init_script = |
| R"init( |
| on boot: |
| pass_test |
| )init"; |
| |
| TemporaryFile tf; |
| ASSERT_TRUE(tf.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd(init_script, tf.fd)); |
| |
| ActionManager am; |
| |
| Parser parser; |
| parser.AddSectionParser("on", std::make_unique<ActionParser>(&am, nullptr)); |
| |
| ASSERT_TRUE(parser.ParseConfig(tf.path)); |
| ASSERT_EQ(1u, parser.parse_error_count()); |
| } |
| |
| TEST(init, EventTriggerOrder) { |
| std::string init_script = |
| R"init( |
| on boot |
| execute_first |
| |
| on boot && property:ro.hardware=* |
| execute_second |
| |
| on boot |
| execute_third |
| |
| )init"; |
| |
| int num_executed = 0; |
| auto do_execute_first = [&num_executed](const BuiltinArguments&) { |
| EXPECT_EQ(0, num_executed++); |
| return Result<void>{}; |
| }; |
| auto do_execute_second = [&num_executed](const BuiltinArguments&) { |
| EXPECT_EQ(1, num_executed++); |
| return Result<void>{}; |
| }; |
| auto do_execute_third = [&num_executed](const BuiltinArguments&) { |
| EXPECT_EQ(2, num_executed++); |
| return Result<void>{}; |
| }; |
| |
| BuiltinFunctionMap test_function_map = { |
| {"execute_first", {0, 0, {false, do_execute_first}}}, |
| {"execute_second", {0, 0, {false, do_execute_second}}}, |
| {"execute_third", {0, 0, {false, do_execute_third}}}, |
| }; |
| |
| ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); }; |
| std::vector<ActionManagerCommand> commands{trigger_boot}; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInitText(init_script, test_function_map, commands, &action_manager, &service_list); |
| EXPECT_EQ(3, num_executed); |
| } |
| |
| TEST(init, OverrideService) { |
| std::string init_script = R"init( |
| service A something |
| class first |
| |
| service A something |
| class second |
| override |
| |
| )init"; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list); |
| ASSERT_EQ(1, std::distance(service_list.begin(), service_list.end())); |
| |
| auto service = service_list.begin()->get(); |
| ASSERT_NE(nullptr, service); |
| EXPECT_EQ(std::set<std::string>({"second"}), service->classnames()); |
| EXPECT_EQ("A", service->name()); |
| EXPECT_TRUE(service->is_override()); |
| } |
| |
| TEST(init, StartConsole) { |
| if (GetProperty("ro.build.type", "") == "user") { |
| GTEST_SKIP() << "Must run on userdebug/eng builds. b/262090304"; |
| return; |
| } |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string init_script = R"init( |
| service console /system/bin/sh |
| class core |
| console null |
| disabled |
| user root |
| group root shell log readproc |
| seclabel u:r:shell:s0 |
| setenv HOSTNAME console |
| )init"; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list); |
| ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1); |
| |
| auto service = service_list.begin()->get(); |
| ASSERT_NE(service, nullptr); |
| ASSERT_RESULT_OK(service->Start()); |
| const pid_t pid = service->pid(); |
| ASSERT_GT(pid, 0); |
| EXPECT_NE(getsid(pid), 0); |
| service->Stop(); |
| } |
| |
| static std::string GetSecurityContext() { |
| char* ctx; |
| if (getcon(&ctx) == -1) { |
| ADD_FAILURE() << "Failed to call getcon : " << strerror(errno); |
| } |
| std::string result = std::string(ctx); |
| freecon(ctx); |
| return result; |
| } |
| |
| void TestStartApexServices(const std::vector<std::string>& service_names, |
| const std::string& apex_name) { |
| for (auto const& svc : service_names) { |
| auto service = ServiceList::GetInstance().FindService(svc); |
| ASSERT_NE(nullptr, service); |
| ASSERT_RESULT_OK(service->Start()); |
| ASSERT_TRUE(service->IsRunning()); |
| LOG(INFO) << "Service " << svc << " is running"; |
| if (!apex_name.empty()) { |
| service->set_filename("/apex/" + apex_name + "/init_test.rc"); |
| } else { |
| service->set_filename(""); |
| } |
| } |
| if (!apex_name.empty()) { |
| auto apex_services = ServiceList::GetInstance().FindServicesByApexName(apex_name); |
| EXPECT_EQ(service_names.size(), apex_services.size()); |
| } |
| } |
| |
| void TestStopApexServices(const std::vector<std::string>& service_names, bool expect_to_run) { |
| for (auto const& svc : service_names) { |
| auto service = ServiceList::GetInstance().FindService(svc); |
| ASSERT_NE(nullptr, service); |
| EXPECT_EQ(expect_to_run, service->IsRunning()); |
| } |
| } |
| |
| void TestRemoveApexService(const std::vector<std::string>& service_names, bool exist) { |
| for (auto const& svc : service_names) { |
| auto service = ServiceList::GetInstance().FindService(svc); |
| ASSERT_EQ(exist, service != nullptr); |
| } |
| } |
| |
| void InitApexService(const std::string_view& init_template) { |
| std::string init_script = StringReplace(init_template, "$selabel", |
| GetSecurityContext(), true); |
| |
| TestInitText(init_script, BuiltinFunctionMap(), {}, &ActionManager::GetInstance(), |
| &ServiceList::GetInstance()); |
| } |
| |
| void CleanupApexServices() { |
| std::vector<std::string> names; |
| for (const auto& s : ServiceList::GetInstance()) { |
| names.push_back(s->name()); |
| } |
| |
| for (const auto& name : names) { |
| auto s = ServiceList::GetInstance().FindService(name); |
| auto pid = s->pid(); |
| ServiceList::GetInstance().RemoveService(*s); |
| if (pid > 0) { |
| kill(pid, SIGTERM); |
| kill(pid, SIGKILL); |
| } |
| } |
| |
| ActionManager::GetInstance().RemoveActionIf([&](const std::unique_ptr<Action>& s) -> bool { |
| return true; |
| }); |
| } |
| |
| void TestApexServicesInit(const std::vector<std::string>& apex_services, |
| const std::vector<std::string>& other_apex_services, |
| const std::vector<std::string> non_apex_services) { |
| auto num_svc = apex_services.size() + other_apex_services.size() + non_apex_services.size(); |
| ASSERT_EQ(num_svc, ServiceList::GetInstance().size()); |
| |
| TestStartApexServices(apex_services, "com.android.apex.test_service"); |
| TestStartApexServices(other_apex_services, "com.android.other_apex.test_service"); |
| TestStartApexServices(non_apex_services, /*apex_anme=*/ ""); |
| |
| StopServicesFromApex("com.android.apex.test_service"); |
| TestStopApexServices(apex_services, /*expect_to_run=*/ false); |
| TestStopApexServices(other_apex_services, /*expect_to_run=*/ true); |
| TestStopApexServices(non_apex_services, /*expect_to_run=*/ true); |
| |
| RemoveServiceAndActionFromApex("com.android.apex.test_service"); |
| ASSERT_EQ(other_apex_services.size() + non_apex_services.size(), |
| ServiceList::GetInstance().size()); |
| |
| // TODO(b/244232142): Add test to check if actions are removed |
| TestRemoveApexService(apex_services, /*exist*/ false); |
| TestRemoveApexService(other_apex_services, /*exist*/ true); |
| TestRemoveApexService(non_apex_services, /*exist*/ true); |
| |
| CleanupApexServices(); |
| } |
| |
| TEST(init, StopServiceByApexName) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string_view script_template = R"init( |
| service apex_test_service /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(script_template); |
| TestApexServicesInit({"apex_test_service"}, {}, {}); |
| } |
| |
| TEST(init, StopMultipleServicesByApexName) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string_view script_template = R"init( |
| service apex_test_service_multiple_a /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| service apex_test_service_multiple_b /system/bin/id |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(script_template); |
| TestApexServicesInit({"apex_test_service_multiple_a", |
| "apex_test_service_multiple_b"}, {}, {}); |
| } |
| |
| TEST(init, StopServicesFromMultipleApexes) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string_view apex_script_template = R"init( |
| service apex_test_service_multi_apex_a /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| service apex_test_service_multi_apex_b /system/bin/id |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(apex_script_template); |
| |
| std::string_view other_apex_script_template = R"init( |
| service apex_test_service_multi_apex_c /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(other_apex_script_template); |
| |
| TestApexServicesInit({"apex_test_service_multi_apex_a", |
| "apex_test_service_multi_apex_b"}, {"apex_test_service_multi_apex_c"}, {}); |
| } |
| |
| TEST(init, StopServicesFromApexAndNonApex) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string_view apex_script_template = R"init( |
| service apex_test_service_apex_a /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| service apex_test_service_apex_b /system/bin/id |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(apex_script_template); |
| |
| std::string_view non_apex_script_template = R"init( |
| service apex_test_service_non_apex /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(non_apex_script_template); |
| |
| TestApexServicesInit({"apex_test_service_apex_a", |
| "apex_test_service_apex_b"}, {}, {"apex_test_service_non_apex"}); |
| } |
| |
| TEST(init, StopServicesFromApexMixed) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string_view script_template = R"init( |
| service apex_test_service_mixed_a /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(script_template); |
| |
| std::string_view other_apex_script_template = R"init( |
| service apex_test_service_mixed_b /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(other_apex_script_template); |
| |
| std::string_view non_apex_script_template = R"init( |
| service apex_test_service_mixed_c /system/bin/yes |
| user shell |
| group shell |
| seclabel $selabel |
| )init"; |
| InitApexService(non_apex_script_template); |
| |
| TestApexServicesInit({"apex_test_service_mixed_a"}, |
| {"apex_test_service_mixed_b"}, {"apex_test_service_mixed_c"}); |
| } |
| |
| TEST(init, EventTriggerOrderMultipleFiles) { |
| // 6 total files, which should have their triggers executed in the following order: |
| // 1: start - original script parsed |
| // 2: first_import - immediately imported by first_script |
| // 3: dir_a - file named 'a.rc' in dir; dir is imported after first_import |
| // 4: a_import - file imported by dir_a |
| // 5: dir_b - file named 'b.rc' in dir |
| // 6: last_import - imported after dir is imported |
| |
| TemporaryFile first_import; |
| ASSERT_TRUE(first_import.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd("on boot\nexecute 2", first_import.fd)); |
| |
| TemporaryFile dir_a_import; |
| ASSERT_TRUE(dir_a_import.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd("on boot\nexecute 4", dir_a_import.fd)); |
| |
| TemporaryFile last_import; |
| ASSERT_TRUE(last_import.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd("on boot\nexecute 6", last_import.fd)); |
| |
| TemporaryDir dir; |
| // clang-format off |
| std::string dir_a_script = "import " + std::string(dir_a_import.path) + "\n" |
| "on boot\n" |
| "execute 3"; |
| // clang-format on |
| // WriteFile() ensures the right mode is set |
| ASSERT_RESULT_OK(WriteFile(std::string(dir.path) + "/a.rc", dir_a_script)); |
| |
| ASSERT_RESULT_OK(WriteFile(std::string(dir.path) + "/b.rc", "on boot\nexecute 5")); |
| |
| // clang-format off |
| std::string start_script = "import " + std::string(first_import.path) + "\n" |
| "import " + std::string(dir.path) + "\n" |
| "import " + std::string(last_import.path) + "\n" |
| "on boot\n" |
| "execute 1"; |
| // clang-format on |
| TemporaryFile start; |
| ASSERT_TRUE(android::base::WriteStringToFd(start_script, start.fd)); |
| |
| int num_executed = 0; |
| auto execute_command = [&num_executed](const BuiltinArguments& args) { |
| EXPECT_EQ(2U, args.size()); |
| EXPECT_EQ(++num_executed, std::stoi(args[1])); |
| return Result<void>{}; |
| }; |
| |
| BuiltinFunctionMap test_function_map = { |
| {"execute", {1, 1, {false, execute_command}}}, |
| }; |
| |
| ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); }; |
| std::vector<ActionManagerCommand> commands{trigger_boot}; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInit(start.path, test_function_map, commands, &action_manager, &service_list); |
| |
| EXPECT_EQ(6, num_executed); |
| } |
| |
| BuiltinFunctionMap GetTestFunctionMapForLazyLoad(int& num_executed, ActionManager& action_manager) { |
| auto execute_command = [&num_executed](const BuiltinArguments& args) { |
| EXPECT_EQ(2U, args.size()); |
| EXPECT_EQ(++num_executed, std::stoi(args[1])); |
| return Result<void>{}; |
| }; |
| auto load_command = [&action_manager](const BuiltinArguments& args) -> Result<void> { |
| EXPECT_EQ(2U, args.size()); |
| Parser parser; |
| parser.AddSectionParser("on", std::make_unique<ActionParser>(&action_manager, nullptr)); |
| if (!parser.ParseConfig(args[1])) { |
| return Error() << "Failed to load"; |
| } |
| return Result<void>{}; |
| }; |
| auto trigger_command = [&action_manager](const BuiltinArguments& args) { |
| EXPECT_EQ(2U, args.size()); |
| LOG(INFO) << "Queue event trigger: " << args[1]; |
| action_manager.QueueEventTrigger(args[1]); |
| return Result<void>{}; |
| }; |
| BuiltinFunctionMap test_function_map = { |
| {"execute", {1, 1, {false, execute_command}}}, |
| {"load", {1, 1, {false, load_command}}}, |
| {"trigger", {1, 1, {false, trigger_command}}}, |
| }; |
| return test_function_map; |
| } |
| |
| TEST(init, LazilyLoadedActionsCantBeTriggeredByTheSameTrigger) { |
| // "start" script loads "lazy" script. Even though "lazy" scripts |
| // defines "on boot" action, it's not executed by the current "boot" |
| // event because it's already processed. |
| TemporaryFile lazy; |
| ASSERT_TRUE(lazy.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd("on boot\nexecute 2", lazy.fd)); |
| |
| TemporaryFile start; |
| // clang-format off |
| std::string start_script = "on boot\n" |
| "load " + std::string(lazy.path) + "\n" |
| "execute 1"; |
| // clang-format on |
| ASSERT_TRUE(android::base::WriteStringToFd(start_script, start.fd)); |
| |
| int num_executed = 0; |
| ActionManager action_manager; |
| ServiceList service_list; |
| BuiltinFunctionMap test_function_map = |
| GetTestFunctionMapForLazyLoad(num_executed, action_manager); |
| |
| ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); }; |
| std::vector<ActionManagerCommand> commands{trigger_boot}; |
| TestInit(start.path, test_function_map, commands, &action_manager, &service_list); |
| |
| EXPECT_EQ(1, num_executed); |
| } |
| |
| TEST(init, LazilyLoadedActionsCanBeTriggeredByTheNextTrigger) { |
| // "start" script loads "lazy" script and then triggers "next" event |
| // which executes "on next" action loaded by the previous command. |
| TemporaryFile lazy; |
| ASSERT_TRUE(lazy.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd("on next\nexecute 2", lazy.fd)); |
| |
| TemporaryFile start; |
| // clang-format off |
| std::string start_script = "on boot\n" |
| "load " + std::string(lazy.path) + "\n" |
| "execute 1\n" |
| "trigger next"; |
| // clang-format on |
| ASSERT_TRUE(android::base::WriteStringToFd(start_script, start.fd)); |
| |
| int num_executed = 0; |
| ActionManager action_manager; |
| ServiceList service_list; |
| BuiltinFunctionMap test_function_map = |
| GetTestFunctionMapForLazyLoad(num_executed, action_manager); |
| |
| ActionManagerCommand trigger_boot = [](ActionManager& am) { am.QueueEventTrigger("boot"); }; |
| std::vector<ActionManagerCommand> commands{trigger_boot}; |
| TestInit(start.path, test_function_map, commands, &action_manager, &service_list); |
| |
| EXPECT_EQ(2, num_executed); |
| } |
| |
| TEST(init, RejectsCriticalAndOneshotService) { |
| if (GetIntProperty("ro.product.first_api_level", 10000) < 30) { |
| GTEST_SKIP() << "Test only valid for devices launching with R or later"; |
| } |
| |
| std::string init_script = |
| R"init( |
| service A something |
| class first |
| critical |
| oneshot |
| )init"; |
| |
| TemporaryFile tf; |
| ASSERT_TRUE(tf.fd != -1); |
| ASSERT_TRUE(android::base::WriteStringToFd(init_script, tf.fd)); |
| |
| ServiceList service_list; |
| Parser parser; |
| parser.AddSectionParser("service", |
| std::make_unique<ServiceParser>(&service_list, nullptr, std::nullopt)); |
| |
| ASSERT_TRUE(parser.ParseConfig(tf.path)); |
| ASSERT_EQ(1u, parser.parse_error_count()); |
| } |
| |
| TEST(init, MemLockLimit) { |
| // Test is enforced only for U+ devices |
| if (android::base::GetIntProperty("ro.vendor.api_level", 0) < __ANDROID_API_U__) { |
| GTEST_SKIP(); |
| } |
| |
| // Verify we are running memlock at, or under, 64KB |
| const unsigned long max_limit = 65536; |
| struct rlimit curr_limit; |
| ASSERT_EQ(getrlimit(RLIMIT_MEMLOCK, &curr_limit), 0); |
| ASSERT_LE(curr_limit.rlim_cur, max_limit); |
| ASSERT_LE(curr_limit.rlim_max, max_limit); |
| } |
| |
| void CloseAllFds() { |
| DIR* dir; |
| struct dirent* ent; |
| int fd; |
| |
| if ((dir = opendir("/proc/self/fd"))) { |
| while ((ent = readdir(dir))) { |
| if (sscanf(ent->d_name, "%d", &fd) == 1) { |
| close(fd); |
| } |
| } |
| closedir(dir); |
| } |
| } |
| |
| pid_t ForkExecvpAsync(const char* argv[]) { |
| pid_t pid = fork(); |
| if (pid == 0) { |
| // Child process. |
| CloseAllFds(); |
| |
| execvp(argv[0], const_cast<char**>(argv)); |
| PLOG(ERROR) << "exec in ForkExecvpAsync init test"; |
| _exit(EXIT_FAILURE); |
| } |
| // Parent process. |
| if (pid == -1) { |
| PLOG(ERROR) << "fork in ForkExecvpAsync init test"; |
| return -1; |
| } |
| return pid; |
| } |
| |
| pid_t TracerPid(pid_t pid) { |
| static constexpr std::string_view prefix{"TracerPid:"}; |
| std::ifstream is(StringPrintf("/proc/%d/status", pid)); |
| std::string line; |
| while (std::getline(is, line)) { |
| if (line.find(prefix) == 0) { |
| return atoi(line.substr(prefix.length()).c_str()); |
| } |
| } |
| return -1; |
| } |
| |
| TEST(init, GentleKill) { |
| if (getuid() != 0) { |
| GTEST_SKIP() << "Must be run as root."; |
| return; |
| } |
| std::string init_script = R"init( |
| service test_gentle_kill /system/bin/sleep 1000 |
| disabled |
| oneshot |
| gentle_kill |
| user root |
| group root |
| seclabel u:r:toolbox:s0 |
| )init"; |
| |
| ActionManager action_manager; |
| ServiceList service_list; |
| TestInitText(init_script, BuiltinFunctionMap(), {}, &action_manager, &service_list); |
| ASSERT_EQ(std::distance(service_list.begin(), service_list.end()), 1); |
| |
| auto service = service_list.begin()->get(); |
| ASSERT_NE(service, nullptr); |
| ASSERT_RESULT_OK(service->Start()); |
| const pid_t pid = service->pid(); |
| ASSERT_GT(pid, 0); |
| EXPECT_NE(getsid(pid), 0); |
| |
| TemporaryFile logfile; |
| logfile.DoNotRemove(); |
| ASSERT_TRUE(logfile.fd != -1); |
| |
| std::string pid_str = std::to_string(pid); |
| const char* argv[] = {"/system/bin/strace", "-o", logfile.path, "-e", "signal", "-p", |
| pid_str.c_str(), nullptr}; |
| pid_t strace_pid = ForkExecvpAsync(argv); |
| |
| // Give strace the chance to connect |
| while (TracerPid(pid) == 0) { |
| std::this_thread::sleep_for(10ms); |
| } |
| service->Stop(); |
| |
| int status; |
| waitpid(strace_pid, &status, 0); |
| |
| std::string logs; |
| android::base::ReadFdToString(logfile.fd, &logs); |
| ASSERT_NE(logs.find("killed by SIGTERM"), std::string::npos); |
| } |
| |
| class TestCaseLogger : public ::testing::EmptyTestEventListener { |
| void OnTestStart(const ::testing::TestInfo& test_info) override { |
| #ifdef __ANDROID__ |
| LOG(INFO) << "===== " << test_info.test_suite_name() << "::" << test_info.name() << " (" |
| << test_info.file() << ":" << test_info.line() << ")"; |
| #else |
| UNUSED(test_info); |
| #endif |
| } |
| }; |
| |
| } // namespace init |
| } // namespace android |
| |
| int SubcontextTestChildMain(int, char**); |
| int FirmwareTestChildMain(int, char**); |
| |
| int main(int argc, char** argv) { |
| if (argc > 1 && !strcmp(argv[1], "subcontext")) { |
| return SubcontextTestChildMain(argc, argv); |
| } |
| |
| if (argc > 1 && !strcmp(argv[1], "firmware")) { |
| return FirmwareTestChildMain(argc, argv); |
| } |
| |
| testing::InitGoogleTest(&argc, argv); |
| testing::UnitTest::GetInstance()->listeners().Append(new android::init::TestCaseLogger()); |
| return RUN_ALL_TESTS(); |
| } |