1 // Copyright 2013 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/browser/chromeos/login/chrome_restart_request.h" 6 7 #include <vector> 8 9 #include "ash/ash_switches.h" 10 #include "base/command_line.h" 11 #include "base/memory/weak_ptr.h" 12 #include "base/message_loop/message_loop.h" 13 #include "base/path_service.h" 14 #include "base/prefs/json_pref_store.h" 15 #include "base/prefs/pref_service.h" 16 #include "base/process/launch.h" 17 #include "base/strings/string_split.h" 18 #include "base/strings/stringprintf.h" 19 #include "base/sys_info.h" 20 #include "base/timer/timer.h" 21 #include "base/values.h" 22 #include "cc/base/switches.h" 23 #include "chrome/browser/browser_process.h" 24 #include "chrome/browser/chromeos/boot_times_loader.h" 25 #include "chrome/browser/chromeos/login/users/user_manager.h" 26 #include "chrome/browser/lifetime/application_lifetime.h" 27 #include "chrome/common/chrome_constants.h" 28 #include "chrome/common/chrome_paths.h" 29 #include "chrome/common/chrome_switches.h" 30 #include "chrome/common/url_constants.h" 31 #include "chromeos/chromeos_switches.h" 32 #include "chromeos/dbus/dbus_thread_manager.h" 33 #include "chromeos/dbus/session_manager_client.h" 34 #include "components/policy/core/common/policy_switches.h" 35 #include "content/public/browser/browser_thread.h" 36 #include "content/public/common/content_switches.h" 37 #include "gpu/command_buffer/service/gpu_switches.h" 38 #include "media/base/media_switches.h" 39 #include "third_party/cros_system_api/switches/chrome_switches.h" 40 #include "ui/app_list/app_list_switches.h" 41 #include "ui/base/ui_base_switches.h" 42 #include "ui/compositor/compositor_switches.h" 43 #include "ui/events/event_switches.h" 44 #include "ui/gfx/switches.h" 45 #include "ui/gl/gl_switches.h" 46 #include "ui/ozone/ozone_switches.h" 47 #include "ui/wm/core/wm_core_switches.h" 48 #include "url/gurl.h" 49 50 using content::BrowserThread; 51 52 namespace chromeos { 53 54 namespace { 55 56 // Increase logging level for Guest mode to avoid INFO messages in logs. 57 const char kGuestModeLoggingLevel[] = "1"; 58 59 // Format of command line switch. 60 const char kSwitchFormatString[] = " --%s=\"%s\""; 61 62 // Derives the new command line from |base_command_line| by doing the following: 63 // - Forward a given switches list to new command; 64 // - Set start url if given; 65 // - Append/override switches using |new_switches|; 66 std::string DeriveCommandLine(const GURL& start_url, 67 const CommandLine& base_command_line, 68 const base::DictionaryValue& new_switches, 69 CommandLine* command_line) { 70 DCHECK_NE(&base_command_line, command_line); 71 72 static const char* kForwardSwitches[] = { 73 ::switches::kDisableAccelerated2dCanvas, 74 ::switches::kDisableAcceleratedOverflowScroll, 75 ::switches::kDisableAcceleratedVideoDecode, 76 ::switches::kDisableDelegatedRenderer, 77 ::switches::kDisableDistanceFieldText, 78 ::switches::kDisableFastTextAutosizing, 79 ::switches::kDisableGpuShaderDiskCache, 80 ::switches::kDisableGpuWatchdog, 81 ::switches::kDisableGpuCompositing, 82 ::switches::kDisableGpuRasterization, 83 ::switches::kDisableImplSidePainting, 84 ::switches::kDisableLowResTiling, 85 ::switches::kDisableMediaSource, 86 ::switches::kDisablePrefixedEncryptedMedia, 87 ::switches::kDisablePanelFitting, 88 ::switches::kDisableRepaintAfterLayout, 89 ::switches::kDisableSeccompFilterSandbox, 90 ::switches::kDisableSetuidSandbox, 91 ::switches::kDisableThreadedCompositing, 92 ::switches::kDisableTouchDragDrop, 93 ::switches::kDisableTouchEditing, 94 ::switches::kDisableAcceleratedFixedRootBackground, 95 ::switches::kDisableZeroCopy, 96 ::switches::kEnableAcceleratedFixedRootBackground, 97 ::switches::kEnableAcceleratedOverflowScroll, 98 ::switches::kEnableBeginFrameScheduling, 99 ::switches::kEnableCompositingForFixedPosition, 100 ::switches::kEnableDelegatedRenderer, 101 ::switches::kEnableEncryptedMedia, 102 ::switches::kEnableFastTextAutosizing, 103 ::switches::kEnableGestureTapHighlight, 104 ::switches::kDisableGestureTapHighlight, 105 ::switches::kDisableGpuSandbox, 106 ::switches::kDisableDeferredFilters, 107 ::switches::kEnableContainerCulling, 108 ::switches::kEnableDistanceFieldText, 109 ::switches::kEnableGpuRasterization, 110 ::switches::kEnableImplSidePainting, 111 ::switches::kEnableLogging, 112 ::switches::kEnableLowResTiling, 113 ::switches::kEnableOneCopy, 114 ::switches::kEnablePinch, 115 ::switches::kEnableRepaintAfterLayout, 116 ::switches::kEnableThreadedCompositing, 117 ::switches::kEnableTouchDragDrop, 118 ::switches::kEnableTouchEditing, 119 ::switches::kEnableViewport, 120 ::switches::kEnableViewportMeta, 121 ::switches::kEnableZeroCopy, 122 ::switches::kMainFrameResizesAreOrientationChanges, 123 ::switches::kForceDeviceScaleFactor, 124 ::switches::kForceGpuRasterization, 125 ::switches::kGpuStartupDialog, 126 ::switches::kGpuSandboxAllowSysVShm, 127 ::switches::kGpuSandboxFailuresFatal, 128 ::switches::kGpuSandboxStartAfterInitialization, 129 ::switches::kIgnoreResolutionLimitsForAcceleratedVideoDecode, 130 ::switches::kNoSandbox, 131 ::switches::kNumRasterThreads, 132 ::switches::kPpapiFlashArgs, 133 ::switches::kPpapiFlashPath, 134 ::switches::kPpapiFlashVersion, 135 ::switches::kPpapiInProcess, 136 ::switches::kRendererStartupDialog, 137 ::switches::kEnableShareGroupAsyncTextureUpload, 138 ::switches::kTabCaptureUpscaleQuality, 139 ::switches::kTabCaptureDownscaleQuality, 140 #if defined(USE_XI2_MT) 141 ::switches::kTouchCalibration, 142 #endif 143 ::switches::kTouchDevices, 144 ::switches::kTouchEvents, 145 ::switches::kUIDisableThreadedCompositing, 146 ::switches::kUIPrioritizeInGpuProcess, 147 #if defined(USE_CRAS) 148 ::switches::kUseCras, 149 #endif 150 ::switches::kUseDiscardableMemory, 151 ::switches::kUseGL, 152 ::switches::kUserDataDir, 153 ::switches::kV, 154 ::switches::kVModule, 155 ::switches::kEnableWebGLDraftExtensions, 156 ::switches::kEnableWebGLImageChromium, 157 #if defined(ENABLE_WEBRTC) 158 ::switches::kDisableAudioTrackProcessing, 159 ::switches::kDisableWebRtcHWDecoding, 160 ::switches::kDisableWebRtcHWEncoding, 161 ::switches::kEnableWebRtcHWVp8Encoding, 162 #endif 163 #if defined(USE_OZONE) 164 ::switches::kOzonePlatform, 165 #endif 166 app_list::switches::kDisableSyncAppList, 167 app_list::switches::kEnableSyncAppList, 168 ash::switches::kAshDefaultWallpaperLarge, 169 ash::switches::kAshDefaultWallpaperSmall, 170 ash::switches::kAshGuestWallpaperLarge, 171 ash::switches::kAshGuestWallpaperSmall, 172 ash::switches::kAshHostWindowBounds, 173 ash::switches::kAshTouchHud, 174 ash::switches::kAuraLegacyPowerButton, 175 // Please keep these in alphabetical order. Non-UI Compositor switches 176 // here should also be added to 177 // content/browser/renderer_host/render_process_host_impl.cc. 178 cc::switches::kCompositeToMailbox, 179 cc::switches::kDisableCompositedAntialiasing, 180 cc::switches::kDisableCompositorTouchHitTesting, 181 cc::switches::kDisableMainFrameBeforeActivation, 182 cc::switches::kDisableMainFrameBeforeDraw, 183 cc::switches::kDisablePinchVirtualViewport, 184 cc::switches::kDisableThreadedAnimation, 185 cc::switches::kEnableGpuBenchmarking, 186 cc::switches::kEnablePinchVirtualViewport, 187 cc::switches::kEnableMainFrameBeforeActivation, 188 cc::switches::kEnableTopControlsPositionCalculation, 189 cc::switches::kMaxTilesForInterestArea, 190 cc::switches::kMaxUnusedResourceMemoryUsagePercentage, 191 cc::switches::kShowCompositedLayerBorders, 192 cc::switches::kShowFPSCounter, 193 cc::switches::kShowLayerAnimationBounds, 194 cc::switches::kShowNonOccludingRects, 195 cc::switches::kShowOccludingRects, 196 cc::switches::kShowPropertyChangedRects, 197 cc::switches::kShowReplicaScreenSpaceRects, 198 cc::switches::kShowScreenSpaceRects, 199 cc::switches::kShowSurfaceDamageRects, 200 cc::switches::kSlowDownRasterScaleFactor, 201 cc::switches::kUIDisablePartialSwap, 202 chromeos::switches::kConsumerDeviceManagementUrl, 203 chromeos::switches::kDbusStub, 204 chromeos::switches::kDisableLoginAnimations, 205 chromeos::switches::kEnableConsumerManagement, 206 chromeos::switches::kEnterpriseEnableForcedReEnrollment, 207 chromeos::switches::kHasChromeOSDiamondKey, 208 chromeos::switches::kHasChromeOSKeyboard, 209 chromeos::switches::kLoginProfile, 210 chromeos::switches::kNaturalScrollDefault, 211 chromeos::switches::kSystemInDevMode, 212 policy::switches::kDeviceManagementUrl, 213 ::switches::kEnableBrowserTextSubpixelPositioning, 214 ::switches::kEnableWebkitTextSubpixelPositioning, 215 wm::switches::kWindowAnimationsDisabled, 216 }; 217 command_line->CopySwitchesFrom(base_command_line, 218 kForwardSwitches, 219 arraysize(kForwardSwitches)); 220 221 if (start_url.is_valid()) 222 command_line->AppendArg(start_url.spec()); 223 224 for (base::DictionaryValue::Iterator it(new_switches); 225 !it.IsAtEnd(); 226 it.Advance()) { 227 std::string value; 228 CHECK(it.value().GetAsString(&value)); 229 command_line->AppendSwitchASCII(it.key(), value); 230 } 231 232 std::string cmd_line_str = command_line->GetCommandLineString(); 233 // Special workaround for the arguments that should be quoted. 234 // Copying switches won't be needed when Guest mode won't need restart 235 // http://crosbug.com/6924 236 if (base_command_line.HasSwitch(::switches::kRegisterPepperPlugins)) { 237 cmd_line_str += base::StringPrintf( 238 kSwitchFormatString, 239 ::switches::kRegisterPepperPlugins, 240 base_command_line.GetSwitchValueNative( 241 ::switches::kRegisterPepperPlugins).c_str()); 242 } 243 244 return cmd_line_str; 245 } 246 247 // Simulates a session manager restart by launching give command line 248 // and exit current process. 249 void ReLaunch(const std::string& command_line) { 250 std::vector<std::string> argv; 251 252 // This is not a proper way to get |argv| but it's good enough for debugging. 253 base::SplitString(command_line, ' ', &argv); 254 255 base::LaunchProcess(argv, base::LaunchOptions(), NULL); 256 chrome::AttemptUserExit(); 257 } 258 259 // Empty function that run by the local state task runner to ensure last 260 // commit goes through. 261 void EnsureLocalStateIsWritten() {} 262 263 // Wraps the work of sending chrome restart request to session manager. 264 // If local state is present, try to commit it first. The request is fired when 265 // the commit goes through or some time (3 seconds) has elapsed. 266 class ChromeRestartRequest 267 : public base::SupportsWeakPtr<ChromeRestartRequest> { 268 public: 269 explicit ChromeRestartRequest(const std::string& command_line); 270 ~ChromeRestartRequest(); 271 272 // Starts the request. 273 void Start(); 274 275 private: 276 // Fires job restart request to session manager. 277 void RestartJob(); 278 279 const int pid_; 280 const std::string command_line_; 281 base::OneShotTimer<ChromeRestartRequest> timer_; 282 283 DISALLOW_COPY_AND_ASSIGN(ChromeRestartRequest); 284 }; 285 286 ChromeRestartRequest::ChromeRestartRequest(const std::string& command_line) 287 : pid_(getpid()), 288 command_line_(command_line) {} 289 290 ChromeRestartRequest::~ChromeRestartRequest() {} 291 292 void ChromeRestartRequest::Start() { 293 VLOG(1) << "Requesting a restart with PID " << pid_ 294 << " and command line: " << command_line_; 295 296 // Session Manager may kill the chrome anytime after this point. 297 // Write exit_cleanly and other stuff to the disk here. 298 g_browser_process->EndSession(); 299 300 PrefService* local_state = g_browser_process->local_state(); 301 if (!local_state) { 302 RestartJob(); 303 return; 304 } 305 306 // XXX: normally this call must not be needed, however RestartJob 307 // just kills us so settings may be lost. See http://crosbug.com/13102 308 local_state->CommitPendingWrite(); 309 timer_.Start( 310 FROM_HERE, base::TimeDelta::FromSeconds(3), this, 311 &ChromeRestartRequest::RestartJob); 312 313 // Post a task to local state task runner thus it occurs last on the task 314 // queue, so it would be executed after committing pending write on that 315 // thread. 316 scoped_refptr<base::SequencedTaskRunner> local_state_task_runner = 317 JsonPrefStore::GetTaskRunnerForFile( 318 base::FilePath(chrome::kLocalStorePoolName), 319 BrowserThread::GetBlockingPool()); 320 local_state_task_runner->PostTaskAndReply( 321 FROM_HERE, 322 base::Bind(&EnsureLocalStateIsWritten), 323 base::Bind(&ChromeRestartRequest::RestartJob, AsWeakPtr())); 324 } 325 326 void ChromeRestartRequest::RestartJob() { 327 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 328 329 DBusThreadManager::Get()->GetSessionManagerClient()->RestartJob( 330 pid_, command_line_); 331 332 delete this; 333 } 334 335 } // namespace 336 337 std::string GetOffTheRecordCommandLine( 338 const GURL& start_url, 339 bool is_oobe_completed, 340 const CommandLine& base_command_line, 341 CommandLine* command_line) { 342 base::DictionaryValue otr_switches; 343 otr_switches.SetString(switches::kGuestSession, std::string()); 344 otr_switches.SetString(::switches::kIncognito, std::string()); 345 otr_switches.SetString(::switches::kLoggingLevel, kGuestModeLoggingLevel); 346 otr_switches.SetString(switches::kLoginUser, UserManager::kGuestUserName); 347 348 // Override the home page. 349 otr_switches.SetString(::switches::kHomePage, 350 GURL(chrome::kChromeUINewTabURL).spec()); 351 352 // If OOBE is not finished yet, lock down the guest session to not allow 353 // surfing the web. Guest mode is still useful to inspect logs and run network 354 // diagnostics. 355 if (!is_oobe_completed) 356 otr_switches.SetString(switches::kOobeGuestSession, std::string()); 357 358 return DeriveCommandLine(start_url, 359 base_command_line, 360 otr_switches, 361 command_line); 362 } 363 364 void RestartChrome(const std::string& command_line) { 365 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 366 BootTimesLoader::Get()->set_restart_requested(); 367 368 static bool restart_requested = false; 369 if (restart_requested) { 370 NOTREACHED() << "Request chrome restart for more than once."; 371 } 372 restart_requested = true; 373 374 if (!base::SysInfo::IsRunningOnChromeOS()) { 375 // Relaunch chrome without session manager on dev box. 376 ReLaunch(command_line); 377 return; 378 } 379 380 // ChromeRestartRequest deletes itself after request sent to session manager. 381 (new ChromeRestartRequest(command_line))->Start(); 382 } 383 384 } // namespace chromeos 385
