chrome/common/service_process_util_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/service_process_util.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/bind.h"
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "base/location.h"
  12 #include "base/process/kill.h"
  13 #include "base/process/launch.h"
  14 #include "base/single_thread_task_runner.h"
  15 #include "base/strings/string_split.h"
  16
  17 #if !defined(OS_MACOSX)
  18 #include "base/at_exit.h"
  19 #include "base/memory/scoped_ptr.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "base/test/multiprocess_test.h"
  23 #include "base/test/test_timeouts.h"
  24 #include "base/threading/thread.h"
  25 #include "chrome/common/chrome_switches.h"
  26 #include "chrome/common/chrome_version_info.h"
  27 #include "testing/multiprocess_func_list.h"
  28
  29 #if defined(OS_WIN)
  30 #include "base/win/win_util.h"
  31 #endif
  32
  33 #if defined(OS_POSIX)
  34 #include "chrome/common/auto_start_linux.h"
  35 #endif
  36
  37 #if defined(USE_AURA)
  38 // This test fails http://crbug.com/84854, and is very flaky on CrOS and
  39 // somewhat flaky on other Linux.
  40 #define MAYBE_ForceShutdown DISABLED_ForceShutdown
  41 #else
  42 #if defined(OS_LINUX) || defined(OS_WIN)
  43 #define MAYBE_ForceShutdown DISABLED_ForceShutdown
  44 #else
  45 #define MAYBE_ForceShutdown ForceShutdown
  46 #endif
  47 #endif
  48
  49 namespace {
  50
  51 bool g_good_shutdown = false;
  52
  53 void ShutdownTask(base::MessageLoop* loop) {
  54   // Quit the main message loop.
  55   ASSERT_FALSE(g_good_shutdown);
  56   g_good_shutdown = true;
  57   loop->task_runner()->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
  58 }
  59
  60 }  // namespace
  61
  62 TEST(ServiceProcessUtilTest, ScopedVersionedName) {
  63   std::string test_str = "test";
  64   std::string scoped_name = GetServiceProcessScopedVersionedName(test_str);
  65   chrome::VersionInfo version_info;
  66   EXPECT_TRUE(base::EndsWith(scoped_name, test_str, true));
  67   EXPECT_NE(std::string::npos, scoped_name.find(version_info.Version()));
  68 }
  69
  70 class ServiceProcessStateTest : public base::MultiProcessTest {
  71  public:
  72   ServiceProcessStateTest();
  73   ~ServiceProcessStateTest() override;
  74   void SetUp() override;
  75   base::SingleThreadTaskRunner* IOMessageLoopProxy() {
  76     return io_thread_.task_runner().get();
  77   }
  78   void LaunchAndWait(const std::string& name);
  79
  80  private:
  81   // This is used to release the ServiceProcessState singleton after each test.
  82   base::ShadowingAtExitManager at_exit_manager_;
  83   base::Thread io_thread_;
  84 };
  85
  86 ServiceProcessStateTest::ServiceProcessStateTest()
  87     : io_thread_("ServiceProcessStateTestThread") {
  88 }
  89
  90 ServiceProcessStateTest::~ServiceProcessStateTest() {
  91 }
  92
  93 void ServiceProcessStateTest::SetUp() {
  94   base::Thread::Options options(base::MessageLoop::TYPE_IO, 0);
  95   ASSERT_TRUE(io_thread_.StartWithOptions(options));
  96 }
  97
  98 void ServiceProcessStateTest::LaunchAndWait(const std::string& name) {
  99   base::Process process = SpawnChild(name);
 100   ASSERT_TRUE(process.IsValid());
 101   int exit_code = 0;
 102   ASSERT_TRUE(process.WaitForExit(&exit_code));
 103   ASSERT_EQ(exit_code, 0);
 104 }
 105
 106 TEST_F(ServiceProcessStateTest, Singleton) {
 107   ServiceProcessState state;
 108   ASSERT_TRUE(state.Initialize());
 109   LaunchAndWait("ServiceProcessStateTestSingleton");
 110 }
 111
 112 // http://crbug.com/396390
 113 TEST_F(ServiceProcessStateTest, DISABLED_ReadyState) {
 114   ASSERT_FALSE(CheckServiceProcessReady());
 115   ServiceProcessState state;
 116   ASSERT_TRUE(state.Initialize());
 117   ASSERT_TRUE(state.SignalReady(IOMessageLoopProxy(), base::Closure()));
 118   LaunchAndWait("ServiceProcessStateTestReadyTrue");
 119   state.SignalStopped();
 120   LaunchAndWait("ServiceProcessStateTestReadyFalse");
 121 }
 122
 123 TEST_F(ServiceProcessStateTest, AutoRun) {
 124   ServiceProcessState state;
 125   ASSERT_TRUE(state.AddToAutoRun());
 126   scoped_ptr<base::CommandLine> autorun_command_line;
 127 #if defined(OS_WIN)
 128   std::string value_name = GetServiceProcessScopedName("_service_run");
 129   base::string16 value;
 130   EXPECT_TRUE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
 131                                                 base::UTF8ToWide(value_name),
 132                                                 &value));
 133   autorun_command_line.reset(
 134       new base::CommandLine(base::CommandLine::FromString(value)));
 135 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 136 #if defined(GOOGLE_CHROME_BUILD)
 137   std::string base_desktop_name = "google-chrome-service.desktop";
 138 #else  // CHROMIUM_BUILD
 139   std::string base_desktop_name = "chromium-service.desktop";
 140 #endif
 141   std::string exec_value;
 142   EXPECT_TRUE(AutoStart::GetAutostartFileValue(
 143       GetServiceProcessScopedName(base_desktop_name), "Exec", &exec_value));
 144
 145   // Make sure |exec_value| doesn't contain strings a shell would
 146   // treat specially.
 147   ASSERT_EQ(std::string::npos, exec_value.find('#'));
 148   ASSERT_EQ(std::string::npos, exec_value.find('\n'));
 149   ASSERT_EQ(std::string::npos, exec_value.find('"'));
 150   ASSERT_EQ(std::string::npos, exec_value.find('\''));
 151
 152   base::CommandLine::StringVector argv;
 153   base::SplitString(exec_value, ' ', &argv);
 154   ASSERT_GE(argv.size(), 2U)
 155       << "Expected at least one command-line option in: " << exec_value;
 156   autorun_command_line.reset(new base::CommandLine(argv));
 157 #endif  // defined(OS_WIN)
 158   if (autorun_command_line.get()) {
 159     EXPECT_EQ(autorun_command_line->GetSwitchValueASCII(switches::kProcessType),
 160               std::string(switches::kServiceProcess));
 161   }
 162   ASSERT_TRUE(state.RemoveFromAutoRun());
 163 #if defined(OS_WIN)
 164   EXPECT_FALSE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
 165                                                  base::UTF8ToWide(value_name),
 166                                                  &value));
 167 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 168   EXPECT_FALSE(AutoStart::GetAutostartFileValue(
 169       GetServiceProcessScopedName(base_desktop_name), "Exec", &exec_value));
 170 #endif  // defined(OS_WIN)
 171 }
 172
 173 // http://crbug.com/396390
 174 TEST_F(ServiceProcessStateTest, DISABLED_SharedMem) {
 175   std::string version;
 176   base::ProcessId pid;
 177 #if defined(OS_WIN)
 178   // On Posix, named shared memory uses a file on disk. This file
 179   // could be lying around from previous crashes which could cause
 180   // GetServiceProcessPid to lie. On Windows, we use a named event so we
 181   // don't have this issue. Until we have a more stable shared memory
 182   // implementation on Posix, this check will only execute on Windows.
 183   ASSERT_FALSE(GetServiceProcessData(&version, &pid));
 184 #endif  // defined(OS_WIN)
 185   ServiceProcessState state;
 186   ASSERT_TRUE(state.Initialize());
 187   ASSERT_TRUE(GetServiceProcessData(&version, &pid));
 188   ASSERT_EQ(base::GetCurrentProcId(), pid);
 189 }
 190
 191 TEST_F(ServiceProcessStateTest, MAYBE_ForceShutdown) {
 192   base::Process process = SpawnChild("ServiceProcessStateTestShutdown");
 193   ASSERT_TRUE(process.IsValid());
 194   for (int i = 0; !CheckServiceProcessReady() && i < 10; ++i) {
 195     base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
 196   }
 197   ASSERT_TRUE(CheckServiceProcessReady());
 198   std::string version;
 199   base::ProcessId pid;
 200   ASSERT_TRUE(GetServiceProcessData(&version, &pid));
 201   ASSERT_TRUE(ForceServiceProcessShutdown(version, pid));
 202   int exit_code = 0;
 203   ASSERT_TRUE(process.WaitForExitWithTimeout(TestTimeouts::action_max_timeout(),
 204                                              &exit_code));
 205   ASSERT_EQ(exit_code, 0);
 206 }
 207
 208 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestSingleton) {
 209   ServiceProcessState state;
 210   EXPECT_FALSE(state.Initialize());
 211   return 0;
 212 }
 213
 214 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestReadyTrue) {
 215   EXPECT_TRUE(CheckServiceProcessReady());
 216   return 0;
 217 }
 218
 219 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestReadyFalse) {
 220   EXPECT_FALSE(CheckServiceProcessReady());
 221   return 0;
 222 }
 223
 224 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestShutdown) {
 225   base::MessageLoop message_loop;
 226   message_loop.set_thread_name("ServiceProcessStateTestShutdownMainThread");
 227   base::Thread io_thread_("ServiceProcessStateTestShutdownIOThread");
 228   base::Thread::Options options(base::MessageLoop::TYPE_IO, 0);
 229   EXPECT_TRUE(io_thread_.StartWithOptions(options));
 230   ServiceProcessState state;
 231   EXPECT_TRUE(state.Initialize());
 232   EXPECT_TRUE(state.SignalReady(
 233       io_thread_.task_runner().get(),
 234       base::Bind(&ShutdownTask, base::MessageLoop::current())));
 235   message_loop.task_runner()->PostDelayedTask(
 236       FROM_HERE, base::MessageLoop::QuitClosure(),
 237       TestTimeouts::action_max_timeout());
 238   EXPECT_FALSE(g_good_shutdown);
 239   message_loop.Run();
 240   EXPECT_TRUE(g_good_shutdown);
 241   return 0;
 242 }
 243
 244 #else  // !OS_MACOSX
 245
 246 #include <CoreFoundation/CoreFoundation.h>
 247
 248 #include "base/files/file_path.h"
 249 #include "base/files/file_util.h"
 250 #include "base/files/scoped_temp_dir.h"
 251 #include "base/mac/mac_util.h"
 252 #include "base/test/test_timeouts.h"
 253 #include "base/threading/thread.h"
 254 #include "chrome/common/mac/launchd.h"
 255 #include "chrome/common/mac/mock_launchd.h"
 256 #include "testing/gtest/include/gtest/gtest.h"
 257
 258 class ServiceProcessStateFileManipulationTest : public ::testing::Test {
 259  protected:
 260   ServiceProcessStateFileManipulationTest()
 261       : io_thread_("ServiceProcessStateFileManipulationTest_IO") {
 262   }
 263
 264   void SetUp() override {
 265     base::Thread::Options options;
 266     options.message_loop_type = base::MessageLoop::TYPE_IO;
 267     ASSERT_TRUE(io_thread_.StartWithOptions(options));
 268     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 269     ASSERT_TRUE(MockLaunchd::MakeABundle(GetTempDirPath(),
 270                                          "Test",
 271                                          &bundle_path_,
 272                                          &executable_path_));
 273     mock_launchd_.reset(new MockLaunchd(executable_path_, &loop_,
 274                                         false, false));
 275     scoped_launchd_instance_.reset(
 276         new Launchd::ScopedInstance(mock_launchd_.get()));
 277     ASSERT_TRUE(service_process_state_.Initialize());
 278     ASSERT_TRUE(service_process_state_.SignalReady(
 279         io_thread_.task_runner().get(), base::Closure()));
 280     loop_.PostDelayedTask(FROM_HERE,
 281                           base::MessageLoop::QuitClosure(),
 282                           TestTimeouts::action_max_timeout());
 283   }
 284
 285   const MockLaunchd* mock_launchd() const { return mock_launchd_.get(); }
 286   const base::FilePath& executable_path() const { return executable_path_; }
 287   const base::FilePath& bundle_path() const { return bundle_path_; }
 288   const base::FilePath& GetTempDirPath() const { return temp_dir_.path(); }
 289
 290   base::SingleThreadTaskRunner* GetIOMessageLoopProxy() {
 291     return io_thread_.task_runner().get();
 292   }
 293   void Run() { loop_.Run(); }
 294
 295  private:
 296   base::ScopedTempDir temp_dir_;
 297   base::MessageLoopForUI loop_;
 298   base::Thread io_thread_;
 299   base::FilePath executable_path_, bundle_path_;
 300   scoped_ptr<MockLaunchd> mock_launchd_;
 301   scoped_ptr<Launchd::ScopedInstance> scoped_launchd_instance_;
 302   ServiceProcessState service_process_state_;
 303 };
 304
 305 void DeleteFunc(const base::FilePath& file) {
 306   EXPECT_TRUE(base::DeleteFile(file, true));
 307 }
 308
 309 void MoveFunc(const base::FilePath& from, const base::FilePath& to) {
 310   EXPECT_TRUE(base::Move(from, to));
 311 }
 312
 313 void ChangeAttr(const base::FilePath& from, int mode) {
 314   EXPECT_EQ(chmod(from.value().c_str(), mode), 0);
 315 }
 316
 317 class ScopedAttributesRestorer {
 318  public:
 319   ScopedAttributesRestorer(const base::FilePath& path, int mode)
 320       : path_(path), mode_(mode) {
 321   }
 322   ~ScopedAttributesRestorer() {
 323     ChangeAttr(path_, mode_);
 324   }
 325  private:
 326   base::FilePath path_;
 327   int mode_;
 328 };
 329
 330 void TrashFunc(const base::FilePath& src) {
 331   FSRef path_ref;
 332   FSRef new_path_ref;
 333   EXPECT_TRUE(base::mac::FSRefFromPath(src.value(), &path_ref));
 334   OSStatus status = FSMoveObjectToTrashSync(&path_ref,
 335                                             &new_path_ref,
 336                                             kFSFileOperationDefaultOptions);
 337   EXPECT_EQ(status, noErr) << "FSMoveObjectToTrashSync " << status;
 338 }
 339
 340 TEST_F(ServiceProcessStateFileManipulationTest, VerifyLaunchD) {
 341   // There have been problems where launchd has gotten into a bad state, usually
 342   // because something had deleted all the files in /tmp. launchd depends on
 343   // a Unix Domain Socket that it creates at /tmp/launchd*/sock.
 344   // The symptom of this problem is that the service process connect fails
 345   // on Mac and "launch_msg(): Socket is not connected" appears.
 346   // This test is designed to make sure that launchd is working.
 347   // http://crbug/75518
 348   // Note: This particular problem no longer affects launchd in 10.10+, since
 349   // there is no user owned launchd process and sockets are no longer made at
 350   // /tmp/launchd*/sock. This test is still useful as a sanity check to make
 351   // sure that launchd appears to be working.
 352
 353   base::CommandLine cl(base::FilePath("/bin/launchctl"));
 354   cl.AppendArg("limit");
 355
 356   std::string output;
 357   int exit_code = -1;
 358   ASSERT_TRUE(base::GetAppOutputWithExitCode(cl, &output, &exit_code)
 359               && exit_code == 0)
 360       << " exit_code:" << exit_code << " " << output;
 361 }
 362
 363 TEST_F(ServiceProcessStateFileManipulationTest, DeleteFile) {
 364   GetIOMessageLoopProxy()->PostTask(
 365       FROM_HERE,
 366       base::Bind(&DeleteFunc, executable_path()));
 367   Run();
 368   ASSERT_TRUE(mock_launchd()->remove_called());
 369   ASSERT_TRUE(mock_launchd()->delete_called());
 370 }
 371
 372 TEST_F(ServiceProcessStateFileManipulationTest, DeleteBundle) {
 373   GetIOMessageLoopProxy()->PostTask(
 374       FROM_HERE,
 375       base::Bind(&DeleteFunc, bundle_path()));
 376   Run();
 377   ASSERT_TRUE(mock_launchd()->remove_called());
 378   ASSERT_TRUE(mock_launchd()->delete_called());
 379 }
 380
 381 TEST_F(ServiceProcessStateFileManipulationTest, MoveBundle) {
 382   base::FilePath new_loc = GetTempDirPath().AppendASCII("MoveBundle");
 383   GetIOMessageLoopProxy()->PostTask(
 384       FROM_HERE,
 385       base::Bind(&MoveFunc, bundle_path(), new_loc));
 386   Run();
 387   ASSERT_TRUE(mock_launchd()->restart_called());
 388   ASSERT_TRUE(mock_launchd()->write_called());
 389 }
 390
 391 TEST_F(ServiceProcessStateFileManipulationTest, MoveFile) {
 392   base::FilePath new_loc = GetTempDirPath().AppendASCII("MoveFile");
 393   GetIOMessageLoopProxy()->PostTask(
 394       FROM_HERE,
 395       base::Bind(&MoveFunc, executable_path(), new_loc));
 396   Run();
 397   ASSERT_TRUE(mock_launchd()->remove_called());
 398   ASSERT_TRUE(mock_launchd()->delete_called());
 399 }
 400
 401 TEST_F(ServiceProcessStateFileManipulationTest, TrashBundle) {
 402   FSRef bundle_ref;
 403   ASSERT_TRUE(base::mac::FSRefFromPath(bundle_path().value(), &bundle_ref));
 404   GetIOMessageLoopProxy()->PostTask(
 405       FROM_HERE,
 406       base::Bind(&TrashFunc, bundle_path()));
 407   Run();
 408   ASSERT_TRUE(mock_launchd()->remove_called());
 409   ASSERT_TRUE(mock_launchd()->delete_called());
 410   std::string path(base::mac::PathFromFSRef(bundle_ref));
 411   base::FilePath file_path(path);
 412   ASSERT_TRUE(base::DeleteFile(file_path, true));
 413 }
 414
 415 TEST_F(ServiceProcessStateFileManipulationTest, ChangeAttr) {
 416   ScopedAttributesRestorer restorer(bundle_path(), 0777);
 417   GetIOMessageLoopProxy()->PostTask(
 418       FROM_HERE,
 419       base::Bind(&ChangeAttr, bundle_path(), 0222));
 420   Run();
 421   ASSERT_TRUE(mock_launchd()->remove_called());
 422   ASSERT_TRUE(mock_launchd()->delete_called());
 423 }
 424
 425 #endif  // !OS_MACOSX