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/lifetime/application_lifetime.h" 26#include "chrome/common/chrome_constants.h" 27#include "chrome/common/chrome_paths.h" 28#include "chrome/common/chrome_switches.h" 29#include "chrome/common/url_constants.h" 30#include "chromeos/chromeos_switches.h" 31#include "chromeos/dbus/dbus_thread_manager.h" 32#include "chromeos/dbus/session_manager_client.h" 33#include "chromeos/login/user_names.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/public/ozone_switches.h" 47#include "ui/wm/core/wm_core_switches.h" 48#include "url/gurl.h" 49 50using content::BrowserThread; 51 52namespace chromeos { 53 54namespace { 55 56// Increase logging level for Guest mode to avoid INFO messages in logs. 57const char kGuestModeLoggingLevel[] = "1"; 58 59// Format of command line switch. 60const 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|; 66std::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::kDisableAcceleratedVideoDecode, 75 ::switches::kDisableDelegatedRenderer, 76 ::switches::kDisableDistanceFieldText, 77 ::switches::kDisableGpu, 78 ::switches::kDisableGpuShaderDiskCache, 79 ::switches::kDisableGpuWatchdog, 80 ::switches::kDisableGpuCompositing, 81 ::switches::kDisableGpuRasterization, 82 ::switches::kDisableImplSidePainting, 83 ::switches::kDisableLowResTiling, 84 ::switches::kDisableMediaSource, 85 ::switches::kDisablePreferCompositingToLCDText, 86 ::switches::kDisablePrefixedEncryptedMedia, 87 ::switches::kDisablePanelFitting, 88 ::switches::kDisableSeccompFilterSandbox, 89 ::switches::kDisableSetuidSandbox, 90 ::switches::kDisableThreadedScrolling, 91 ::switches::kDisableTouchDragDrop, 92 ::switches::kDisableTouchEditing, 93 ::switches::kDisableZeroCopy, 94 ::switches::kEnableAcceleratedJpegDecoding, 95 ::switches::kEnableBeginFrameScheduling, 96 ::switches::kEnablePreferCompositingToLCDText, 97 ::switches::kEnableDelegatedRenderer, 98 ::switches::kDisableDisplayList2dCanvas, 99 ::switches::kEnableDisplayList2dCanvas, 100 ::switches::kEnableEncryptedMedia, 101 ::switches::kDisableGpuSandbox, 102 ::switches::kDisableDeferredFilters, 103 ::switches::kEnableContainerCulling, 104 ::switches::kEnableDistanceFieldText, 105 ::switches::kEnableGpuRasterization, 106 ::switches::kEnableImplSidePainting, 107 ::switches::kEnableLogging, 108 ::switches::kEnableLowResTiling, 109 ::switches::kEnableOneCopy, 110 ::switches::kEnablePinch, 111 ::switches::kEnableTouchDragDrop, 112 ::switches::kEnableTouchEditing, 113 ::switches::kEnableViewport, 114 ::switches::kEnableViewportMeta, 115 ::switches::kEnableZeroCopy, 116 ::switches::kMainFrameResizesAreOrientationChanges, 117 ::switches::kForceDeviceScaleFactor, 118 ::switches::kForceGpuRasterization, 119 ::switches::kGpuStartupDialog, 120 ::switches::kGpuSandboxAllowSysVShm, 121 ::switches::kGpuSandboxFailuresFatal, 122 ::switches::kGpuSandboxStartEarly, 123 ::switches::kIgnoreResolutionLimitsForAcceleratedVideoDecode, 124 ::switches::kNoSandbox, 125 ::switches::kNumRasterThreads, 126 ::switches::kPpapiFlashArgs, 127 ::switches::kPpapiFlashPath, 128 ::switches::kPpapiFlashVersion, 129 ::switches::kPpapiInProcess, 130 ::switches::kRendererStartupDialog, 131 ::switches::kEnableShareGroupAsyncTextureUpload, 132 ::switches::kTabCaptureUpscaleQuality, 133 ::switches::kTabCaptureDownscaleQuality, 134#if defined(USE_XI2_MT) 135 ::switches::kTouchCalibration, 136#endif 137 ::switches::kTouchDevices, 138 ::switches::kTouchEvents, 139 ::switches::kUIDisableThreadedCompositing, 140 ::switches::kUIPrioritizeInGpuProcess, 141#if defined(USE_CRAS) 142 ::switches::kUseCras, 143#endif 144 ::switches::kUseDiscardableMemory, 145 ::switches::kUseGL, 146 ::switches::kUserDataDir, 147 ::switches::kV, 148 ::switches::kVModule, 149 ::switches::kEnableWebGLDraftExtensions, 150 ::switches::kEnableWebGLImageChromium, 151#if defined(ENABLE_WEBRTC) 152 ::switches::kDisableAudioTrackProcessing, 153 ::switches::kDisableWebRtcHWDecoding, 154 ::switches::kDisableWebRtcHWEncoding, 155 ::switches::kEnableWebRtcHWVp8Encoding, 156 ::switches::kEnableWebRtcHWH264Encoding, 157#endif 158 ::switches::kDisableVaapiAcceleratedVideoEncode, 159#if defined(USE_OZONE) 160 ::switches::kOzonePlatform, 161 ::switches::kOzoneUseSurfaceless, 162#endif 163 app_list::switches::kDisableSyncAppList, 164 app_list::switches::kEnableSyncAppList, 165 ash::switches::kAshDefaultWallpaperLarge, 166 ash::switches::kAshDefaultWallpaperSmall, 167 ash::switches::kAshGuestWallpaperLarge, 168 ash::switches::kAshGuestWallpaperSmall, 169 ash::switches::kAshHostWindowBounds, 170 ash::switches::kAshTouchHud, 171 ash::switches::kAuraLegacyPowerButton, 172 // Please keep these in alphabetical order. Non-UI Compositor switches 173 // here should also be added to 174 // content/browser/renderer_host/render_process_host_impl.cc. 175 cc::switches::kCompositeToMailbox, 176 cc::switches::kDisableCompositedAntialiasing, 177 cc::switches::kDisableMainFrameBeforeActivation, 178 cc::switches::kDisableMainFrameBeforeDraw, 179 cc::switches::kDisablePinchVirtualViewport, 180 cc::switches::kDisableThreadedAnimation, 181 cc::switches::kEnableGpuBenchmarking, 182 cc::switches::kEnablePinchVirtualViewport, 183 cc::switches::kEnableMainFrameBeforeActivation, 184 cc::switches::kEnableTopControlsPositionCalculation, 185 cc::switches::kMaxTilesForInterestArea, 186 cc::switches::kMaxUnusedResourceMemoryUsagePercentage, 187 cc::switches::kShowCompositedLayerBorders, 188 cc::switches::kShowFPSCounter, 189 cc::switches::kShowLayerAnimationBounds, 190 cc::switches::kShowNonOccludingRects, 191 cc::switches::kShowOccludingRects, 192 cc::switches::kShowPropertyChangedRects, 193 cc::switches::kShowReplicaScreenSpaceRects, 194 cc::switches::kShowScreenSpaceRects, 195 cc::switches::kShowSurfaceDamageRects, 196 cc::switches::kSlowDownRasterScaleFactor, 197 cc::switches::kUIDisablePartialSwap, 198 chromeos::switches::kConsumerDeviceManagementUrl, 199 chromeos::switches::kDbusStub, 200 chromeos::switches::kDbusUnstubClients, 201 chromeos::switches::kDisableLoginAnimations, 202 chromeos::switches::kEnableConsumerManagement, 203 chromeos::switches::kEnterpriseEnableForcedReEnrollment, 204 chromeos::switches::kHasChromeOSDiamondKey, 205 chromeos::switches::kHasChromeOSKeyboard, 206 chromeos::switches::kLoginProfile, 207 chromeos::switches::kNaturalScrollDefault, 208 chromeos::switches::kSystemInDevMode, 209 policy::switches::kDeviceManagementUrl, 210 ::switches::kEnableWebkitTextSubpixelPositioning, 211 wm::switches::kWindowAnimationsDisabled, 212 }; 213 command_line->CopySwitchesFrom(base_command_line, 214 kForwardSwitches, 215 arraysize(kForwardSwitches)); 216 217 if (start_url.is_valid()) 218 command_line->AppendArg(start_url.spec()); 219 220 for (base::DictionaryValue::Iterator it(new_switches); 221 !it.IsAtEnd(); 222 it.Advance()) { 223 std::string value; 224 CHECK(it.value().GetAsString(&value)); 225 command_line->AppendSwitchASCII(it.key(), value); 226 } 227 228 std::string cmd_line_str = command_line->GetCommandLineString(); 229 // Special workaround for the arguments that should be quoted. 230 // Copying switches won't be needed when Guest mode won't need restart 231 // http://crosbug.com/6924 232 if (base_command_line.HasSwitch(::switches::kRegisterPepperPlugins)) { 233 cmd_line_str += base::StringPrintf( 234 kSwitchFormatString, 235 ::switches::kRegisterPepperPlugins, 236 base_command_line.GetSwitchValueNative( 237 ::switches::kRegisterPepperPlugins).c_str()); 238 } 239 240 return cmd_line_str; 241} 242 243// Simulates a session manager restart by launching give command line 244// and exit current process. 245void ReLaunch(const std::string& command_line) { 246 std::vector<std::string> argv; 247 248 // This is not a proper way to get |argv| but it's good enough for debugging. 249 base::SplitString(command_line, ' ', &argv); 250 251 base::LaunchProcess(argv, base::LaunchOptions(), NULL); 252 chrome::AttemptUserExit(); 253} 254 255// Empty function that run by the local state task runner to ensure last 256// commit goes through. 257void EnsureLocalStateIsWritten() {} 258 259// Wraps the work of sending chrome restart request to session manager. 260// If local state is present, try to commit it first. The request is fired when 261// the commit goes through or some time (3 seconds) has elapsed. 262class ChromeRestartRequest 263 : public base::SupportsWeakPtr<ChromeRestartRequest> { 264 public: 265 explicit ChromeRestartRequest(const std::string& command_line); 266 ~ChromeRestartRequest(); 267 268 // Starts the request. 269 void Start(); 270 271 private: 272 // Fires job restart request to session manager. 273 void RestartJob(); 274 275 const int pid_; 276 const std::string command_line_; 277 base::OneShotTimer<ChromeRestartRequest> timer_; 278 279 DISALLOW_COPY_AND_ASSIGN(ChromeRestartRequest); 280}; 281 282ChromeRestartRequest::ChromeRestartRequest(const std::string& command_line) 283 : pid_(getpid()), 284 command_line_(command_line) {} 285 286ChromeRestartRequest::~ChromeRestartRequest() {} 287 288void ChromeRestartRequest::Start() { 289 VLOG(1) << "Requesting a restart with PID " << pid_ 290 << " and command line: " << command_line_; 291 292 // Session Manager may kill the chrome anytime after this point. 293 // Write exit_cleanly and other stuff to the disk here. 294 g_browser_process->EndSession(); 295 296 PrefService* local_state = g_browser_process->local_state(); 297 if (!local_state) { 298 RestartJob(); 299 return; 300 } 301 302 // XXX: normally this call must not be needed, however RestartJob 303 // just kills us so settings may be lost. See http://crosbug.com/13102 304 local_state->CommitPendingWrite(); 305 timer_.Start( 306 FROM_HERE, base::TimeDelta::FromSeconds(3), this, 307 &ChromeRestartRequest::RestartJob); 308 309 // Post a task to local state task runner thus it occurs last on the task 310 // queue, so it would be executed after committing pending write on that 311 // thread. 312 scoped_refptr<base::SequencedTaskRunner> local_state_task_runner = 313 JsonPrefStore::GetTaskRunnerForFile( 314 base::FilePath(chrome::kLocalStorePoolName), 315 BrowserThread::GetBlockingPool()); 316 local_state_task_runner->PostTaskAndReply( 317 FROM_HERE, 318 base::Bind(&EnsureLocalStateIsWritten), 319 base::Bind(&ChromeRestartRequest::RestartJob, AsWeakPtr())); 320} 321 322void ChromeRestartRequest::RestartJob() { 323 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 324 325 DBusThreadManager::Get()->GetSessionManagerClient()->RestartJob( 326 pid_, command_line_); 327 328 delete this; 329} 330 331} // namespace 332 333std::string GetOffTheRecordCommandLine( 334 const GURL& start_url, 335 bool is_oobe_completed, 336 const CommandLine& base_command_line, 337 CommandLine* command_line) { 338 base::DictionaryValue otr_switches; 339 otr_switches.SetString(switches::kGuestSession, std::string()); 340 otr_switches.SetString(::switches::kIncognito, std::string()); 341 otr_switches.SetString(::switches::kLoggingLevel, kGuestModeLoggingLevel); 342 otr_switches.SetString(switches::kLoginUser, chromeos::login::kGuestUserName); 343 344 // Override the home page. 345 otr_switches.SetString(::switches::kHomePage, 346 GURL(chrome::kChromeUINewTabURL).spec()); 347 348 // If OOBE is not finished yet, lock down the guest session to not allow 349 // surfing the web. Guest mode is still useful to inspect logs and run network 350 // diagnostics. 351 if (!is_oobe_completed) 352 otr_switches.SetString(switches::kOobeGuestSession, std::string()); 353 354 return DeriveCommandLine(start_url, 355 base_command_line, 356 otr_switches, 357 command_line); 358} 359 360void RestartChrome(const std::string& command_line) { 361 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 362 BootTimesLoader::Get()->set_restart_requested(); 363 364 static bool restart_requested = false; 365 if (restart_requested) { 366 NOTREACHED() << "Request chrome restart for more than once."; 367 } 368 restart_requested = true; 369 370 if (!base::SysInfo::IsRunningOnChromeOS()) { 371 // Relaunch chrome without session manager on dev box. 372 ReLaunch(command_line); 373 return; 374 } 375 376 // ChromeRestartRequest deletes itself after request sent to session manager. 377 (new ChromeRestartRequest(command_line))->Start(); 378} 379 380} // namespace chromeos 381