mozilla
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gecko-dev
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gecko-dev/toolkit/xre/nsAppRunner.cpp

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154 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/Components.h"
#include "mozilla/FilePreferences.h"
#include "mozilla/ChaosMode.h"
#include "mozilla/CmdLineAndEnvUtils.h"
#include "mozilla/IOInterposer.h"
#include "mozilla/Likely.h"
#include "mozilla/MemoryChecking.h"
#include "mozilla/Poison.h"
#include "mozilla/Preferences.h"
#include "mozilla/Printf.h"
#include "mozilla/ResultExtensions.h"
#include "mozilla/ScopeExit.h"
#include "mozilla/Services.h"
#include "mozilla/Telemetry.h"
#include "mozilla/intl/LocaleService.h"
#include "mozilla/recordreplay/ParentIPC.h"
#include "mozilla/JSONWriter.h"
#include "nsAppRunner.h"
#include "mozilla/XREAppData.h"
#include "mozilla/Bootstrap.h"
#if defined(MOZ_UPDATER) && !defined(MOZ_WIDGET_ANDROID)
# include "nsUpdateDriver.h"
#endif
#include "ProfileReset.h"
#ifdef MOZ_INSTRUMENT_EVENT_LOOP
# include "EventTracer.h"
#endif
#ifdef XP_MACOSX
# include "nsVersionComparator.h"
# include "MacLaunchHelper.h"
# include "MacApplicationDelegate.h"
# include "MacAutoreleasePool.h"
// these are needed for sysctl
# include <sys/types.h>
# include <sys/sysctl.h>
#endif
#include "prnetdb.h"
#include "prprf.h"
#include "prproces.h"
#include "prenv.h"
#include "prtime.h"
#include "nsIAppShellService.h"
#include "nsIAppStartup.h"
#include "nsAppStartupNotifier.h"
#include "nsIMutableArray.h"
#include "nsICategoryManager.h"
#include "nsIChromeRegistry.h"
#include "nsCommandLine.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIConsoleService.h"
#include "nsIContentHandler.h"
#include "nsIDialogParamBlock.h"
#include "nsIDOMWindow.h"
#include "mozilla/ModuleUtils.h"
#include "nsIIOService.h"
#include "nsIObserverService.h"
#include "nsINativeAppSupport.h"
#include "nsIPlatformInfo.h"
#include "nsIProcess.h"
#include "nsIProfileUnlocker.h"
#include "nsIPromptService.h"
#include "nsIPropertyBag2.h"
#include "nsIServiceManager.h"
#include "nsIStringBundle.h"
#include "nsISupportsPrimitives.h"
#include "nsIToolkitChromeRegistry.h"
#include "nsIToolkitProfile.h"
#include "nsToolkitProfileService.h"
#include "nsIURI.h"
#include "nsIURL.h"
#include "nsIWindowCreator.h"
#include "nsIWindowMediator.h"
#include "nsIWindowWatcher.h"
#include "nsIXULAppInfo.h"
#include "nsIXULRuntime.h"
#include "nsPIDOMWindow.h"
#include "nsIBaseWindow.h"
#include "nsIWidget.h"
#include "nsIDocShell.h"
#include "nsAppShellCID.h"
#include "mozilla/scache/StartupCache.h"
#include "gfxPlatform.h"
#include "gfxPrefs.h"
#include "mozilla/Unused.h"
#ifdef XP_WIN
# include "nsIWinAppHelper.h"
# include <windows.h>
# include <intrin.h>
# include <math.h>
# include "cairo/cairo-features.h"
# include "mozilla/WindowsDllBlocklist.h"
# include "mozilla/WinHeaderOnlyUtils.h"
# include "mozilla/mscom/ProcessRuntime.h"
# include "mozilla/widget/AudioSession.h"
# if defined(MOZ_LAUNCHER_PROCESS)
# include "mozilla/LauncherRegistryInfo.h"
# endif
# ifndef PROCESS_DEP_ENABLE
# define PROCESS_DEP_ENABLE 0x1
# endif
#endif
#if defined(MOZ_CONTENT_SANDBOX)
# include "mozilla/SandboxSettings.h"
# if (defined(XP_WIN) || defined(XP_MACOSX))
# include "nsIUUIDGenerator.h"
# endif
#endif
#ifdef ACCESSIBILITY
# include "nsAccessibilityService.h"
# if defined(XP_WIN)
# include "mozilla/a11y/Compatibility.h"
# include "mozilla/a11y/Platform.h"
# endif
#endif
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "nsEmbedCID.h"
#include "nsNetUtil.h"
#include "nsReadableUtils.h"
#include "nsXPCOM.h"
#include "nsXPCOMCIDInternal.h"
#include "nsString.h"
#include "nsPrintfCString.h"
#include "nsVersionComparator.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsXULAppAPI.h"
#include "nsXREDirProvider.h"
#include "nsINIParser.h"
#include "mozilla/Omnijar.h"
#include "mozilla/StartupTimeline.h"
#include "mozilla/LateWriteChecks.h"
#include <stdlib.h>
#include <locale.h>
#ifdef XP_UNIX
# include <errno.h>
# include <pwd.h>
# include <string.h>
# include <sys/resource.h>
# include <sys/stat.h>
# include <unistd.h>
#endif
#ifdef XP_WIN
# include <process.h>
# include <shlobj.h>
# include "mozilla/WinDllServices.h"
# include "nsThreadUtils.h"
# include <comdef.h>
# include <wbemidl.h>
# include "WinUtils.h"
#endif
#ifdef XP_MACOSX
# include "nsILocalFileMac.h"
# include "nsCommandLineServiceMac.h"
#endif
// for X remote support
#if defined(MOZ_HAS_REMOTE)
# include "nsRemoteService.h"
#endif
#if defined(DEBUG) && defined(XP_WIN32)
# include <malloc.h>
#endif
#if defined(XP_MACOSX)
# include <Carbon/Carbon.h>
#endif
#ifdef DEBUG
# include "mozilla/Logging.h"
#endif
#ifdef MOZ_JPROF
# include "jprof.h"
#endif
#include "nsExceptionHandler.h"
#include "nsICrashReporter.h"
#define NS_CRASHREPORTER_CONTRACTID "@mozilla.org/toolkit/crash-reporter;1"
#include "nsIPrefService.h"
#include "nsIMemoryInfoDumper.h"
#if defined(XP_LINUX) && !defined(ANDROID)
# include "mozilla/widget/LSBUtils.h"
#endif
#include "base/command_line.h"
#include "GTestRunner.h"
#ifdef MOZ_WIDGET_ANDROID
# include "GeneratedJNIWrappers.h"
#endif
#if defined(MOZ_SANDBOX)
# if defined(XP_LINUX) && !defined(ANDROID)
# include "mozilla/SandboxInfo.h"
# elif defined(XP_WIN)
# include "sandboxBroker.h"
# include "sandboxPermissions.h"
# endif
#endif
#ifdef MOZ_CODE_COVERAGE
# include "mozilla/CodeCoverageHandler.h"
#endif
#include "mozilla/mozalloc_oom.h"
#include "SafeMode.h"
extern uint32_t gRestartMode;
extern void InstallSignalHandlers(const char* ProgramName);
#define FILE_COMPATIBILITY_INFO NS_LITERAL_CSTRING("compatibility.ini")
#define FILE_INVALIDATE_CACHES NS_LITERAL_CSTRING(".purgecaches")
#define FILE_STARTUP_INCOMPLETE NS_LITERAL_STRING(".startup-incomplete")
int gArgc;
char** gArgv;
#include "buildid.h"
static const char gToolkitVersion[] = NS_STRINGIFY(GRE_MILESTONE);
static const char gToolkitBuildID[] = NS_STRINGIFY(MOZ_BUILDID);
static nsIProfileLock* gProfileLock;
int gRestartArgc;
char** gRestartArgv;
// If gRestartedByOS is set, we were automatically restarted by the OS.
bool gRestartedByOS = false;
bool gIsGtest = false;
nsString gAbsoluteArgv0Path;
#if defined(MOZ_WIDGET_GTK)
# include <glib.h>
# if defined(DEBUG) || defined(NS_BUILD_REFCNT_LOGGING)
# define CLEANUP_MEMORY 1
# define PANGO_ENABLE_BACKEND
# include <pango/pangofc-fontmap.h>
# endif
# include <gtk/gtk.h>
# ifdef MOZ_WAYLAND
# include <gdk/gdkwayland.h>
# endif
# ifdef MOZ_X11
# include <gdk/gdkx.h>
# endif /* MOZ_X11 */
# include "nsGTKToolkit.h"
# include <fontconfig/fontconfig.h>
#endif
#include "BinaryPath.h"
#ifdef MOZ_LINKER
extern "C" MFBT_API bool IsSignalHandlingBroken();
#endif
#ifdef FUZZING
# include "FuzzerRunner.h"
namespace mozilla {
FuzzerRunner* fuzzerRunner = 0;
} // namespace mozilla
# ifdef LIBFUZZER
void XRE_LibFuzzerSetDriver(LibFuzzerDriver aDriver) {
mozilla::fuzzerRunner->setParams(aDriver);
}
# endif
#endif // FUZZING
// Undo X11/X.h's definition of None
#undef None
namespace mozilla {
int (*RunGTest)(int*, char**) = 0;
} // namespace mozilla
using namespace mozilla;
using namespace mozilla::startup;
using mozilla::Unused;
using mozilla::dom::ContentChild;
using mozilla::dom::ContentParent;
using mozilla::intl::LocaleService;
using mozilla::scache::StartupCache;
// Save the given word to the specified environment variable.
static void MOZ_NEVER_INLINE SaveWordToEnv(const char* name,
const nsACString& word) {
char* expr =
Smprintf("%s=%s", name, PromiseFlatCString(word).get()).release();
if (expr) PR_SetEnv(expr);
// We intentionally leak |expr| here since it is required by PR_SetEnv.
}
// Save the path of the given file to the specified environment variable.
static void SaveFileToEnv(const char* name, nsIFile* file) {
#ifdef XP_WIN
nsAutoString path;
file->GetPath(path);
SetEnvironmentVariableW(NS_ConvertASCIItoUTF16(name).get(), path.get());
#else
nsAutoCString path;
file->GetNativePath(path);
SaveWordToEnv(name, path);
#endif
}
// Save the path of the given file to the specified environment variable
// provided the environment variable does not have a value.
static void SaveFileToEnvIfUnset(const char* name, nsIFile* file) {
if (!EnvHasValue(name)) SaveFileToEnv(name, file);
}
static bool gIsExpectedExit = false;
void MozExpectedExit() { gIsExpectedExit = true; }
/**
* Runs atexit() to catch unexpected exit from 3rd party libraries like the
* Intel graphics driver calling exit in an error condition. When they
* call exit() to report an error we won't shutdown correctly and wont catch
* the issue with our crash reporter.
*/
static void UnexpectedExit() {
if (!gIsExpectedExit) {
gIsExpectedExit = true; // Don't risk re-entrency issues when crashing.
MOZ_CRASH("Exit called by third party code.");
}
}
/**
* Output a string to the user. This method is really only meant to be used to
* output last-ditch error messages designed for developers NOT END USERS.
*
* @param isError
* Pass true to indicate severe errors.
* @param fmt
* printf-style format string followed by arguments.
*/
static MOZ_FORMAT_PRINTF(2, 3) void Output(bool isError, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
#if defined(XP_WIN) && !MOZ_WINCONSOLE
SmprintfPointer msg = mozilla::Vsmprintf(fmt, ap);
if (msg) {
UINT flags = MB_OK;
if (isError)
flags |= MB_ICONERROR;
else
flags |= MB_ICONINFORMATION;
wchar_t wide_msg[1024];
MultiByteToWideChar(CP_ACP, 0, msg.get(), -1, wide_msg,
sizeof(wide_msg) / sizeof(wchar_t));
MessageBoxW(nullptr, wide_msg, L"XULRunner", flags);
}
#else
vfprintf(stderr, fmt, ap);
#endif
va_end(ap);
}
/**
* Check for a commandline flag. If the flag takes a parameter, the
* parameter is returned in aParam. Flags may be in the form -arg or
* --arg (or /arg on win32).
*
* @param aArg the parameter to check. Must be lowercase.
* @param aParam if non-null, the -arg <data> will be stored in this pointer.
* This is *not* allocated, but rather a pointer to the argv data.
* @param aFlags flags @see CheckArgFlag
*/
static ArgResult CheckArg(const char* aArg, const char** aParam = nullptr,
CheckArgFlag aFlags = CheckArgFlag::RemoveArg) {
MOZ_ASSERT(gArgv, "gArgv must be initialized before CheckArg()");
return CheckArg(gArgc, gArgv, aArg, aParam, aFlags);
}
/**
* Check for a commandline flag. Ignore data that's passed in with the flag.
* Flags may be in the form -arg or --arg (or /arg on win32).
* Will not remove flag if found.
*
* @param aArg the parameter to check. Must be lowercase.
*/
static ArgResult CheckArgExists(const char* aArg) {
return CheckArg(aArg, nullptr, CheckArgFlag::None);
}
bool gSafeMode = false;
/**
* The nsXULAppInfo object implements nsIFactory so that it can be its own
* singleton.
*/
class nsXULAppInfo : public nsIXULAppInfo,
public nsIObserver,
#ifdef XP_WIN
public nsIWinAppHelper,
#endif
public nsICrashReporter,
public nsIFinishDumpingCallback,
public nsIXULRuntime
{
public:
constexpr nsXULAppInfo() {}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIPLATFORMINFO
NS_DECL_NSIXULAPPINFO
NS_DECL_NSIXULRUNTIME
NS_DECL_NSIOBSERVER
NS_DECL_NSICRASHREPORTER
NS_DECL_NSIFINISHDUMPINGCALLBACK
#ifdef XP_WIN
NS_DECL_NSIWINAPPHELPER
#endif
};
NS_INTERFACE_MAP_BEGIN(nsXULAppInfo)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIXULRuntime)
NS_INTERFACE_MAP_ENTRY(nsIXULRuntime)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
#ifdef XP_WIN
NS_INTERFACE_MAP_ENTRY(nsIWinAppHelper)
#endif
NS_INTERFACE_MAP_ENTRY(nsICrashReporter)
NS_INTERFACE_MAP_ENTRY(nsIFinishDumpingCallback)
NS_INTERFACE_MAP_ENTRY(nsIPlatformInfo)
NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIXULAppInfo,
gAppData || XRE_IsContentProcess())
NS_INTERFACE_MAP_END
NS_IMETHODIMP_(MozExternalRefCountType)
nsXULAppInfo::AddRef() { return 1; }
NS_IMETHODIMP_(MozExternalRefCountType)
nsXULAppInfo::Release() { return 1; }
NS_IMETHODIMP
nsXULAppInfo::GetVendor(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().vendor;
return NS_OK;
}
aResult.Assign(gAppData->vendor);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetName(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().name;
return NS_OK;
}
aResult.Assign(gAppData->name);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetID(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().ID;
return NS_OK;
}
aResult.Assign(gAppData->ID);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetVersion(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().version;
return NS_OK;
}
aResult.Assign(gAppData->version);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetPlatformVersion(nsACString& aResult) {
aResult.Assign(gToolkitVersion);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetAppBuildID(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().buildID;
return NS_OK;
}
aResult.Assign(gAppData->buildID);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetPlatformBuildID(nsACString& aResult) {
aResult.Assign(gToolkitBuildID);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetUAName(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().UAName;
return NS_OK;
}
aResult.Assign(gAppData->UAName);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetSourceURL(nsACString& aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aResult = cc->GetAppInfo().sourceURL;
return NS_OK;
}
aResult.Assign(gAppData->sourceURL);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetLogConsoleErrors(bool* aResult) {
*aResult = gLogConsoleErrors;
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SetLogConsoleErrors(bool aValue) {
gLogConsoleErrors = aValue;
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetInSafeMode(bool* aResult) {
*aResult = gSafeMode;
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetOS(nsACString& aResult) {
aResult.AssignLiteral(OS_TARGET);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetXPCOMABI(nsACString& aResult) {
#ifdef TARGET_XPCOM_ABI
aResult.AssignLiteral(TARGET_XPCOM_ABI);
return NS_OK;
#else
return NS_ERROR_NOT_AVAILABLE;
#endif
}
NS_IMETHODIMP
nsXULAppInfo::GetWidgetToolkit(nsACString& aResult) {
aResult.AssignLiteral(MOZ_WIDGET_TOOLKIT);
return NS_OK;
}
// Ensure that the GeckoProcessType enum, defined in xpcom/build/nsXULAppAPI.h,
// is synchronized with the const unsigned longs defined in
// xpcom/system/nsIXULRuntime.idl.
#define SYNC_ENUMS(a, b) \
static_assert(nsIXULRuntime::PROCESS_TYPE_##a == \
static_cast<int>(GeckoProcessType_##b), \
"GeckoProcessType in nsXULAppAPI.h not synchronized with " \
"nsIXULRuntime.idl");
SYNC_ENUMS(DEFAULT, Default)
SYNC_ENUMS(PLUGIN, Plugin)
SYNC_ENUMS(CONTENT, Content)
SYNC_ENUMS(IPDLUNITTEST, IPDLUnitTest)
SYNC_ENUMS(GMPLUGIN, GMPlugin)
SYNC_ENUMS(GPU, GPU)
SYNC_ENUMS(VR, VR)
SYNC_ENUMS(RDD, RDD)
SYNC_ENUMS(SOCKET, Socket)
// .. and ensure that that is all of them:
static_assert(GeckoProcessType_Socket + 1 == GeckoProcessType_End,
"Did not find the final GeckoProcessType");
NS_IMETHODIMP
nsXULAppInfo::GetProcessType(uint32_t* aResult) {
NS_ENSURE_ARG_POINTER(aResult);
*aResult = XRE_GetProcessType();
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetProcessID(uint32_t* aResult) {
#ifdef XP_WIN
*aResult = GetCurrentProcessId();
#else
*aResult = getpid();
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetUniqueProcessID(uint64_t* aResult) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
*aResult = cc->GetID();
} else {
*aResult = 0;
}
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetRemoteType(nsAString& aRemoteType) {
if (XRE_IsContentProcess()) {
ContentChild* cc = ContentChild::GetSingleton();
aRemoteType.Assign(cc->GetRemoteType());
} else {
SetDOMStringToNull(aRemoteType);
}
return NS_OK;
}
static bool gBrowserTabsRemoteAutostart = false;
static uint64_t gBrowserTabsRemoteStatus = 0;
static bool gBrowserTabsRemoteAutostartInitialized = false;
NS_IMETHODIMP
nsXULAppInfo::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
if (!nsCRT::strcmp(aTopic, "getE10SBlocked")) {
nsCOMPtr<nsISupportsPRUint64> ret = do_QueryInterface(aSubject);
if (!ret) return NS_ERROR_FAILURE;
ret->SetData(gBrowserTabsRemoteStatus);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsXULAppInfo::GetBrowserTabsRemoteAutostart(bool* aResult) {
*aResult = BrowserTabsRemoteAutostart();
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetMaxWebProcessCount(uint32_t* aResult) {
*aResult = mozilla::GetMaxWebProcessCount();
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetAccessibilityEnabled(bool* aResult) {
#ifdef ACCESSIBILITY
*aResult = GetAccService() != nullptr;
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetAccessibleHandlerUsed(bool* aResult) {
#if defined(ACCESSIBILITY) && defined(XP_WIN)
*aResult = Preferences::GetBool("accessibility.handler.enabled", false) &&
a11y::IsHandlerRegistered();
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetAccessibilityInstantiator(nsAString& aInstantiator) {
#if defined(ACCESSIBILITY) && defined(XP_WIN)
if (!GetAccService()) {
aInstantiator = NS_LITERAL_STRING("");
return NS_OK;
}
nsAutoString ipClientInfo;
a11y::Compatibility::GetHumanReadableConsumersStr(ipClientInfo);
aInstantiator.Append(ipClientInfo);
aInstantiator.AppendLiteral("|");
nsCOMPtr<nsIFile> oopClientExe;
if (a11y::GetInstantiator(getter_AddRefs(oopClientExe))) {
nsAutoString oopClientInfo;
if (NS_SUCCEEDED(oopClientExe->GetPath(oopClientInfo))) {
aInstantiator.Append(oopClientInfo);
}
}
#else
aInstantiator = NS_LITERAL_STRING("");
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetShouldBlockIncompatJaws(bool* aResult) {
*aResult = false;
#if defined(ACCESSIBILITY) && defined(XP_WIN)
*aResult = mozilla::a11y::Compatibility::IsOldJAWS();
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetIs64Bit(bool* aResult) {
#ifdef HAVE_64BIT_BUILD
*aResult = true;
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::EnsureContentProcess() {
if (!XRE_IsParentProcess()) return NS_ERROR_NOT_AVAILABLE;
RefPtr<ContentParent> unused = ContentParent::GetNewOrUsedBrowserProcess(
nullptr, NS_LITERAL_STRING(DEFAULT_REMOTE_TYPE));
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::InvalidateCachesOnRestart() {
nsCOMPtr<nsIFile> file;
nsresult rv =
NS_GetSpecialDirectory(NS_APP_PROFILE_DIR_STARTUP, getter_AddRefs(file));
if (NS_FAILED(rv)) return rv;
if (!file) return NS_ERROR_NOT_AVAILABLE;
file->AppendNative(FILE_COMPATIBILITY_INFO);
nsINIParser parser;
rv = parser.Init(file);
if (NS_FAILED(rv)) {
// This fails if compatibility.ini is not there, so we'll
// flush the caches on the next restart anyways.
return NS_OK;
}
nsAutoCString buf;
rv = parser.GetString("Compatibility", "InvalidateCaches", buf);
if (NS_FAILED(rv)) {
PRFileDesc* fd;
rv = file->OpenNSPRFileDesc(PR_RDWR | PR_APPEND, 0600, &fd);
if (NS_FAILED(rv)) {
NS_ERROR("could not create output stream");
return NS_ERROR_NOT_AVAILABLE;
}
static const char kInvalidationHeader[] =
NS_LINEBREAK "InvalidateCaches=1" NS_LINEBREAK;
PR_Write(fd, kInvalidationHeader, sizeof(kInvalidationHeader) - 1);
PR_Close(fd);
}
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetReplacedLockTime(PRTime* aReplacedLockTime) {
if (!gProfileLock) return NS_ERROR_NOT_AVAILABLE;
gProfileLock->GetReplacedLockTime(aReplacedLockTime);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetIsReleaseOrBeta(bool* aResult) {
#ifdef RELEASE_OR_BETA
*aResult = true;
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetIsOfficialBranding(bool* aResult) {
#ifdef MOZ_OFFICIAL_BRANDING
*aResult = true;
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetDefaultUpdateChannel(nsACString& aResult) {
aResult.AssignLiteral(NS_STRINGIFY(MOZ_UPDATE_CHANNEL));
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetDistributionID(nsACString& aResult) {
aResult.AssignLiteral(MOZ_DISTRIBUTION_ID);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetWindowsDLLBlocklistStatus(bool* aResult) {
#if defined(HAS_DLL_BLOCKLIST)
*aResult = DllBlocklist_CheckStatus();
#else
*aResult = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetRestartedByOS(bool* aResult) {
*aResult = gRestartedByOS;
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetLauncherProcessState(uint32_t* aResult) {
#if defined(XP_WIN) && defined(MOZ_LAUNCHER_PROCESS)
LauncherRegistryInfo launcherInfo;
LauncherResult<LauncherRegistryInfo::EnabledState> state =
launcherInfo.IsEnabled();
if (state.isErr()) {
return NS_ERROR_UNEXPECTED;
}
*aResult = static_cast<uint32_t>(state.unwrap());
return NS_OK;
#else
return NS_ERROR_NOT_AVAILABLE;
#endif
}
#ifdef XP_WIN
// Matches the enum in WinNT.h for the Vista SDK but renamed so that we can
// safely build with the Vista SDK and without it.
typedef enum {
VistaTokenElevationTypeDefault = 1,
VistaTokenElevationTypeFull,
VistaTokenElevationTypeLimited
} VISTA_TOKEN_ELEVATION_TYPE;
// avoid collision with TokeElevationType enum in WinNT.h
// of the Vista SDK
# define VistaTokenElevationType static_cast<TOKEN_INFORMATION_CLASS>(18)
NS_IMETHODIMP
nsXULAppInfo::GetUserCanElevate(bool* aUserCanElevate) {
HANDLE hToken;
VISTA_TOKEN_ELEVATION_TYPE elevationType;
DWORD dwSize;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken) ||
!GetTokenInformation(hToken, VistaTokenElevationType, &elevationType,
sizeof(elevationType), &dwSize)) {
*aUserCanElevate = false;
} else {
// The possible values returned for elevationType and their meanings are:
// TokenElevationTypeDefault: The token does not have a linked token
// (e.g. UAC disabled or a standard user, so they can't be elevated)
// TokenElevationTypeFull: The token is linked to an elevated token
// (e.g. UAC is enabled and the user is already elevated so they can't
// be elevated again)
// TokenElevationTypeLimited: The token is linked to a limited token
// (e.g. UAC is enabled and the user is not elevated, so they can be
// elevated)
*aUserCanElevate = (elevationType == VistaTokenElevationTypeLimited);
}
if (hToken) CloseHandle(hToken);
return NS_OK;
}
#endif
NS_IMETHODIMP
nsXULAppInfo::GetEnabled(bool* aEnabled) {
*aEnabled = CrashReporter::GetEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SetEnabled(bool aEnabled) {
if (aEnabled) {
if (CrashReporter::GetEnabled()) {
// no point in erroring for double-enabling
return NS_OK;
}
nsCOMPtr<nsIFile> greBinDir;
NS_GetSpecialDirectory(NS_GRE_BIN_DIR, getter_AddRefs(greBinDir));
if (!greBinDir) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIFile> xreBinDirectory = greBinDir;
if (!xreBinDirectory) {
return NS_ERROR_FAILURE;
}
return CrashReporter::SetExceptionHandler(xreBinDirectory, true);
}
if (!CrashReporter::GetEnabled()) {
// no point in erroring for double-disabling
return NS_OK;
}
return CrashReporter::UnsetExceptionHandler();
}
NS_IMETHODIMP
nsXULAppInfo::GetServerURL(nsIURL** aServerURL) {
NS_ENSURE_ARG_POINTER(aServerURL);
if (!CrashReporter::GetEnabled()) return NS_ERROR_NOT_INITIALIZED;
nsAutoCString data;
if (!CrashReporter::GetServerURL(data)) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIURI> uri;
NS_NewURI(getter_AddRefs(uri), data);
if (!uri) return NS_ERROR_FAILURE;
nsCOMPtr<nsIURL> url;
url = do_QueryInterface(uri);
NS_ADDREF(*aServerURL = url);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SetServerURL(nsIURL* aServerURL) {
bool schemeOk;
// only allow https or http URLs
nsresult rv = aServerURL->SchemeIs("https", &schemeOk);
NS_ENSURE_SUCCESS(rv, rv);
if (!schemeOk) {
rv = aServerURL->SchemeIs("http", &schemeOk);
NS_ENSURE_SUCCESS(rv, rv);
if (!schemeOk) return NS_ERROR_INVALID_ARG;
}
nsAutoCString spec;
rv = aServerURL->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
return CrashReporter::SetServerURL(spec);
}
NS_IMETHODIMP
nsXULAppInfo::GetMinidumpPath(nsIFile** aMinidumpPath) {
if (!CrashReporter::GetEnabled()) return NS_ERROR_NOT_INITIALIZED;
nsAutoString path;
if (!CrashReporter::GetMinidumpPath(path)) return NS_ERROR_FAILURE;
nsresult rv = NS_NewLocalFile(path, false, aMinidumpPath);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SetMinidumpPath(nsIFile* aMinidumpPath) {
nsAutoString path;
nsresult rv = aMinidumpPath->GetPath(path);
NS_ENSURE_SUCCESS(rv, rv);
return CrashReporter::SetMinidumpPath(path);
}
NS_IMETHODIMP
nsXULAppInfo::GetMinidumpForID(const nsAString& aId, nsIFile** aMinidump) {
if (!CrashReporter::GetMinidumpForID(aId, aMinidump)) {
return NS_ERROR_FILE_NOT_FOUND;
}
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::GetExtraFileForID(const nsAString& aId, nsIFile** aExtraFile) {
if (!CrashReporter::GetExtraFileForID(aId, aExtraFile)) {
return NS_ERROR_FILE_NOT_FOUND;
}
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::AnnotateCrashReport(const nsACString& key,
const nsACString& data) {
CrashReporter::Annotation annotation;
if (!AnnotationFromString(annotation, PromiseFlatCString(key).get())) {
return NS_ERROR_INVALID_ARG;
}
return CrashReporter::AnnotateCrashReport(annotation, data);
}
NS_IMETHODIMP
nsXULAppInfo::RemoveCrashReportAnnotation(const nsACString& key) {
CrashReporter::Annotation annotation;
if (!AnnotationFromString(annotation, PromiseFlatCString(key).get())) {
return NS_ERROR_INVALID_ARG;
}
return CrashReporter::RemoveCrashReportAnnotation(annotation);
}
NS_IMETHODIMP
nsXULAppInfo::IsAnnotationWhitelistedForPing(const nsACString& aValue,
bool* aIsWhitelisted) {
CrashReporter::Annotation annotation;
if (!AnnotationFromString(annotation, PromiseFlatCString(aValue).get())) {
return NS_ERROR_INVALID_ARG;
}
*aIsWhitelisted = CrashReporter::IsAnnotationWhitelistedForPing(annotation);
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::AppendAppNotesToCrashReport(const nsACString& data) {
return CrashReporter::AppendAppNotesToCrashReport(data);
}
NS_IMETHODIMP
nsXULAppInfo::RegisterAppMemory(uint64_t pointer, uint64_t len) {
return CrashReporter::RegisterAppMemory((void*)pointer, len);
}
NS_IMETHODIMP
nsXULAppInfo::WriteMinidumpForException(void* aExceptionInfo) {
#ifdef XP_WIN32
return CrashReporter::WriteMinidumpForException(
static_cast<EXCEPTION_POINTERS*>(aExceptionInfo));
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
NS_IMETHODIMP
nsXULAppInfo::AppendObjCExceptionInfoToAppNotes(void* aException) {
#ifdef XP_MACOSX
return CrashReporter::AppendObjCExceptionInfoToAppNotes(aException);
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
NS_IMETHODIMP
nsXULAppInfo::GetSubmitReports(bool* aEnabled) {
return CrashReporter::GetSubmitReports(aEnabled);
}
NS_IMETHODIMP
nsXULAppInfo::SetSubmitReports(bool aEnabled) {
return CrashReporter::SetSubmitReports(aEnabled);
}
NS_IMETHODIMP
nsXULAppInfo::UpdateCrashEventsDir() {
CrashReporter::UpdateCrashEventsDir();
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SaveMemoryReport() {
if (!CrashReporter::GetEnabled()) {
return NS_ERROR_NOT_INITIALIZED;
}
nsCOMPtr<nsIFile> file;
nsresult rv = CrashReporter::GetDefaultMemoryReportFile(getter_AddRefs(file));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsString path;
file->GetPath(path);
nsCOMPtr<nsIMemoryInfoDumper> dumper =
do_GetService("@mozilla.org/memory-info-dumper;1");
if (NS_WARN_IF(!dumper)) {
return NS_ERROR_UNEXPECTED;
}
rv = dumper->DumpMemoryReportsToNamedFile(path, this, file,
true /* anonymize */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
NS_IMETHODIMP
nsXULAppInfo::SetTelemetrySessionId(const nsACString& id) {
CrashReporter::SetTelemetrySessionId(id);
return NS_OK;
}
// This method is from nsIFInishDumpingCallback.
NS_IMETHODIMP
nsXULAppInfo::Callback(nsISupports* aData) {
nsCOMPtr<nsIFile> file = do_QueryInterface(aData);
MOZ_ASSERT(file);
CrashReporter::SetMemoryReportFile(file);
return NS_OK;
}
static const nsXULAppInfo kAppInfo;
namespace mozilla {
nsresult AppInfoConstructor(nsISupports* aOuter, REFNSIID aIID,
void** aResult) {
NS_ENSURE_NO_AGGREGATION(aOuter);
return const_cast<nsXULAppInfo*>(&kAppInfo)->QueryInterface(aIID, aResult);
}
} // namespace mozilla
bool gLogConsoleErrors = false;
#define NS_ENSURE_TRUE_LOG(x, ret) \
PR_BEGIN_MACRO \
if (MOZ_UNLIKELY(!(x))) { \
NS_WARNING("NS_ENSURE_TRUE(" #x ") failed"); \
gLogConsoleErrors = true; \
return ret; \
} \
PR_END_MACRO
#define NS_ENSURE_SUCCESS_LOG(res, ret) \
NS_ENSURE_TRUE_LOG(NS_SUCCEEDED(res), ret)
/**
* Because we're starting/stopping XPCOM several times in different scenarios,
* this class is a stack-based critter that makes sure that XPCOM is shut down
* during early returns.
*/
class ScopedXPCOMStartup {
public:
ScopedXPCOMStartup() : mServiceManager(nullptr) {}
~ScopedXPCOMStartup();
nsresult Initialize();
nsresult SetWindowCreator(nsINativeAppSupport* native);
private:
nsIServiceManager* mServiceManager;
static nsINativeAppSupport* gNativeAppSupport;
friend already_AddRefed<nsINativeAppSupport> NS_GetNativeAppSupport();
};
ScopedXPCOMStartup::~ScopedXPCOMStartup() {
NS_IF_RELEASE(gNativeAppSupport);
if (mServiceManager) {
#ifdef XP_MACOSX
// On OS X, we need a pool to catch cocoa objects that are autoreleased
// during teardown.
mozilla::MacAutoreleasePool pool;
#endif
nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service());
if (appStartup) appStartup->DestroyHiddenWindow();
gDirServiceProvider->DoShutdown();
PROFILER_ADD_MARKER("Shutdown early", OTHER);
WriteConsoleLog();
NS_ShutdownXPCOM(mServiceManager);
mServiceManager = nullptr;
}
}
// {95d89e3e-a169-41a3-8e56-719978e15b12}
#define APPINFO_CID \
{ \
0x95d89e3e, 0xa169, 0x41a3, { \
0x8e, 0x56, 0x71, 0x99, 0x78, 0xe1, 0x5b, 0x12 \
} \
}
// {5F5E59CE-27BC-47eb-9D1F-B09CA9049836}
static const nsCID kProfileServiceCID = {
0x5f5e59ce,
0x27bc,
0x47eb,
{0x9d, 0x1f, 0xb0, 0x9c, 0xa9, 0x4, 0x98, 0x36}};
static already_AddRefed<nsIFactory> ProfileServiceFactoryConstructor(
const mozilla::Module& module, const mozilla::Module::CIDEntry& entry) {
nsCOMPtr<nsIFactory> factory;
NS_NewToolkitProfileFactory(getter_AddRefs(factory));
return factory.forget();
}
NS_DEFINE_NAMED_CID(APPINFO_CID);
static const mozilla::Module::CIDEntry kXRECIDs[] = {
{&kAPPINFO_CID, false, nullptr, AppInfoConstructor},
{&kProfileServiceCID, false, ProfileServiceFactoryConstructor, nullptr},
{nullptr}};
static const mozilla::Module::ContractIDEntry kXREContracts[] = {
{XULAPPINFO_SERVICE_CONTRACTID, &kAPPINFO_CID},
{XULRUNTIME_SERVICE_CONTRACTID, &kAPPINFO_CID},
#ifdef MOZ_CRASHREPORTER
{NS_CRASHREPORTER_CONTRACTID, &kAPPINFO_CID},
#endif // MOZ_CRASHREPORTER
{NS_PROFILESERVICE_CONTRACTID, &kProfileServiceCID},
{nullptr}};
static const mozilla::Module kXREModule = {mozilla::Module::kVersion, kXRECIDs,
kXREContracts};
NSMODULE_DEFN(Apprunner) = &kXREModule;
nsresult ScopedXPCOMStartup::Initialize() {
NS_ASSERTION(gDirServiceProvider, "Should not get here!");
nsresult rv;
rv = NS_InitXPCOM2(&mServiceManager, gDirServiceProvider->GetAppDir(),
gDirServiceProvider);
if (NS_FAILED(rv)) {
NS_ERROR("Couldn't start xpcom!");
mServiceManager = nullptr;
} else {
#ifdef DEBUG
nsCOMPtr<nsIComponentRegistrar> reg = do_QueryInterface(mServiceManager);
NS_ASSERTION(reg, "Service Manager doesn't QI to Registrar.");
#endif
}
return rv;
}
/**
* This is a little factory class that serves as a singleton-service-factory
* for the nativeappsupport object.
*/
class nsSingletonFactory final : public nsIFactory {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIFACTORY
explicit nsSingletonFactory(nsISupports* aSingleton);
private:
~nsSingletonFactory() {}
nsCOMPtr<nsISupports> mSingleton;
};
nsSingletonFactory::nsSingletonFactory(nsISupports* aSingleton)
: mSingleton(aSingleton) {
NS_ASSERTION(mSingleton, "Singleton was null!");
}
NS_IMPL_ISUPPORTS(nsSingletonFactory, nsIFactory)
NS_IMETHODIMP
nsSingletonFactory::CreateInstance(nsISupports* aOuter, const nsIID& aIID,
void** aResult) {
NS_ENSURE_NO_AGGREGATION(aOuter);
return mSingleton->QueryInterface(aIID, aResult);
}
NS_IMETHODIMP
nsSingletonFactory::LockFactory(bool) { return NS_OK; }
/**
* Set our windowcreator on the WindowWatcher service.
*/
nsresult ScopedXPCOMStartup::SetWindowCreator(nsINativeAppSupport* native) {
nsresult rv;
NS_IF_ADDREF(gNativeAppSupport = native);
// Inform the chrome registry about OS accessibility
nsCOMPtr<nsIToolkitChromeRegistry> cr =
mozilla::services::GetToolkitChromeRegistryService();
if (cr) cr->CheckForOSAccessibility();
nsCOMPtr<nsIWindowCreator> creator(components::AppStartup::Service());
if (!creator) return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIWindowWatcher> wwatch(
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, rv);
return wwatch->SetWindowCreator(creator);
}
/* static */ already_AddRefed<nsINativeAppSupport> NS_GetNativeAppSupport() {
if (!ScopedXPCOMStartup::gNativeAppSupport) {
return nullptr;
}
return do_AddRef(ScopedXPCOMStartup::gNativeAppSupport);
}
nsINativeAppSupport* ScopedXPCOMStartup::gNativeAppSupport;
static void DumpArbitraryHelp() {
nsresult rv;
ScopedLogging log;
{
ScopedXPCOMStartup xpcom;
xpcom.Initialize();
nsCOMPtr<nsICommandLineRunner> cmdline(new nsCommandLine());
nsCString text;
rv = cmdline->GetHelpText(text);
if (NS_SUCCEEDED(rv)) printf("%s", text.get());
}
}
// English text needs to go into a dtd file.
// But when this is called we have no components etc. These strings must either
// be here, or in a native resource file.
static void DumpHelp() {
printf(
"Usage: %s [ options ... ] [URL]\n"
" where options include:\n\n",
gArgv[0]);
#ifdef MOZ_X11
printf(
"X11 options\n"
" --display=DISPLAY X display to use\n"
" --sync Make X calls synchronous\n");
#endif
#ifdef XP_UNIX
printf(
" --g-fatal-warnings Make all warnings fatal\n"
"\n%s options\n",
(const char*)gAppData->name);
#endif
printf(
" -h or --help Print this message.\n"
" -v or --version Print %s version.\n"
" -P <profile> Start with <profile>.\n"
" --profile <path> Start with profile at <path>.\n"
" --migration Start with migration wizard.\n"
" --ProfileManager Start with ProfileManager.\n"
#ifdef MOZ_HAS_REMOTE
" --no-remote Do not accept or send remote commands; implies\n"
" --new-instance.\n"
" --new-instance Open new instance, not a new window in running "
"instance.\n"
#endif
" --UILocale <locale> Start with <locale> resources as UI Locale.\n"
" --safe-mode Disables extensions and themes for this session.\n"
#ifdef MOZ_BLOCK_PROFILE_DOWNGRADE
" --allow-downgrade Allows downgrading a profile.\n"
#endif
" -MOZ_LOG=<modules> Treated as MOZ_LOG=<modules> environment variable, "
"overrides it.\n"
" -MOZ_LOG_FILE=<file> Treated as MOZ_LOG_FILE=<file> environment "
"variable, overrides it.\n"
" If MOZ_LOG_FILE is not specified as an argument or "
"as an environment variable,\n"
" logging will be written to stdout.\n",
(const char*)gAppData->name);
#if defined(XP_WIN)
printf(" --console Start %s with a debugging console.\n",
(const char*)gAppData->name);
#endif
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
printf(" --headless Run without a GUI.\n");
#endif
printf(
" --save-recordings Save recordings for all content processes to a "
"directory.\n");
// this works, but only after the components have registered. so if you drop
// in a new command line handler, --help won't not until the second run. out
// of the bug, because we ship a component.reg file, it works correctly.
DumpArbitraryHelp();
}
static inline void DumpVersion() {
if (gAppData->vendor) {
printf("%s ", (const char*)gAppData->vendor);
}
printf("%s ", (const char*)gAppData->name);
// Use the displayed version
// For example, for beta, we would display 42.0b2 instead of 42.0
printf("%s", NS_STRINGIFY(MOZ_APP_VERSION_DISPLAY));
if (gAppData->copyright) {
printf(", %s", (const char*)gAppData->copyright);
}
printf("\n");
}
void XRE_InitOmnijar(nsIFile* greOmni, nsIFile* appOmni) {
mozilla::Omnijar::Init(greOmni, appOmni);
}
nsresult XRE_GetBinaryPath(nsIFile** aResult) {
return mozilla::BinaryPath::GetFile(aResult);
}
#ifdef XP_WIN
# include "nsWindowsRestart.cpp"
# include <shellapi.h>
typedef BOOL(WINAPI* SetProcessDEPPolicyFunc)(DWORD dwFlags);
static void RegisterApplicationRestartChanged(const char* aPref, void* aData) {
DWORD cchCmdLine = 0;
HRESULT rc = ::GetApplicationRestartSettings(::GetCurrentProcess(), nullptr,
&cchCmdLine, nullptr);
bool wasRegistered = false;
if (rc == S_OK) {
wasRegistered = true;
}
if (Preferences::GetBool(PREF_WIN_REGISTER_APPLICATION_RESTART, false) &&
!wasRegistered) {
// Make the command line to use when restarting.
// Excludes argv[0] because RegisterApplicationRestart adds the
// executable name, replace that temporarily with -os-restarted
char* exeName = gRestartArgv[0];
gRestartArgv[0] = const_cast<char*>("-os-restarted");
wchar_t** restartArgvConverted =
AllocConvertUTF8toUTF16Strings(gRestartArgc, gRestartArgv);
gRestartArgv[0] = exeName;
mozilla::UniquePtr<wchar_t[]> restartCommandLine;
if (restartArgvConverted) {
restartCommandLine =
mozilla::MakeCommandLine(gRestartArgc, restartArgvConverted);
FreeAllocStrings(gRestartArgc, restartArgvConverted);
}
if (restartCommandLine) {
// Flags RESTART_NO_PATCH and RESTART_NO_REBOOT are not set, so we
// should be restarted if terminated by an update or restart.
::RegisterApplicationRestart(restartCommandLine.get(),
RESTART_NO_CRASH | RESTART_NO_HANG);
}
} else if (wasRegistered) {
::UnregisterApplicationRestart();
}
}
# if defined(MOZ_LAUNCHER_PROCESS)
static const char kShieldPrefName[] = "app.shield.optoutstudies.enabled";
static void OnLauncherPrefChanged(const char* aPref, void* aData) {
bool prefVal = Preferences::GetBool(kShieldPrefName, false) &&
Preferences::GetBool(PREF_WIN_LAUNCHER_PROCESS_ENABLED, false);
mozilla::LauncherRegistryInfo launcherRegInfo;
mozilla::LauncherVoidResult reflectResult =
launcherRegInfo.ReflectPrefToRegistry(prefVal);
MOZ_ASSERT(reflectResult.isOk());
}
static void SetupLauncherProcessPref() {
// In addition to the launcher pref itself, we also tie the launcher process
// state to the SHIELD opt-out pref.
# if defined(NIGHTLY_BUILD)
// On Nightly, fire the callback immediately to ensure the pref is reflected
// to the registry and we get immediate enablement of the launcher process
// for all users.
Preferences::RegisterCallbackAndCall(&OnLauncherPrefChanged, kShieldPrefName);
# endif // defined(NIGHTLY_BUILD)
mozilla::LauncherRegistryInfo launcherRegInfo;
mozilla::LauncherResult<mozilla::LauncherRegistryInfo::EnabledState>
enabledState = launcherRegInfo.IsEnabled();
if (enabledState.isOk()) {
Preferences::SetBool(
PREF_WIN_LAUNCHER_PROCESS_ENABLED,
enabledState.unwrap() !=
mozilla::LauncherRegistryInfo::EnabledState::ForceDisabled);
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::LauncherProcessState,
static_cast<uint32_t>(enabledState.unwrap()));
}
Preferences::RegisterCallback(&OnLauncherPrefChanged,
PREF_WIN_LAUNCHER_PROCESS_ENABLED);
# if !defined(NIGHTLY_BUILD)
// We register for SHIELD notifications, but we don't fire the callback
// immediately in the non-Nightly case.
Preferences::RegisterCallback(&OnLauncherPrefChanged, kShieldPrefName);
# endif // !defined(NIGHTLY_BUILD)
}
# endif // defined(MOZ_LAUNCHER_PROCESS)
#endif // XP_WIN
// If aBlankCommandLine is true, then the application will be launched with a
// blank command line instead of being launched with the same command line that
// it was initially started with.
static nsresult LaunchChild(nsINativeAppSupport* aNative,
bool aBlankCommandLine = false) {
aNative->Quit(); // destroy message window
// Restart this process by exec'ing it into the current process
// if supported by the platform. Otherwise, use NSPR.
#ifdef MOZ_JPROF
// make sure JPROF doesn't think we're E10s
unsetenv("JPROF_SLAVE");
#endif
if (aBlankCommandLine) {
gRestartArgc = 1;
gRestartArgv[gRestartArgc] = nullptr;
}
SaveToEnv("MOZ_LAUNCHED_CHILD=1");
#if defined(MOZ_LAUNCHER_PROCESS)
SaveToEnv("MOZ_LAUNCHER_PROCESS=1");
#endif // defined(MOZ_LAUNCHER_PROCESS)
#if !defined(MOZ_WIDGET_ANDROID) // Android has separate restart code.
# if defined(XP_MACOSX)
CommandLineServiceMac::SetupMacCommandLine(gRestartArgc, gRestartArgv, true);
LaunchChildMac(gRestartArgc, gRestartArgv);
# else
nsCOMPtr<nsIFile> lf;
nsresult rv = XRE_GetBinaryPath(getter_AddRefs(lf));
if (NS_FAILED(rv)) return rv;
# if defined(XP_WIN)
nsAutoString exePath;
rv = lf->GetPath(exePath);
if (NS_FAILED(rv)) return rv;
HANDLE hProcess;
if (!WinLaunchChild(exePath.get(), gRestartArgc, gRestartArgv, nullptr,
&hProcess))
return NS_ERROR_FAILURE;
// Keep the current process around until the restarted process has created
// its message queue, to avoid the launched process's windows being forced
// into the background.
mozilla::WaitForInputIdle(hProcess);
::CloseHandle(hProcess);
# else
nsAutoCString exePath;
rv = lf->GetNativePath(exePath);
if (NS_FAILED(rv)) return rv;
# if defined(XP_UNIX)
if (execv(exePath.get(), gRestartArgv) == -1) return NS_ERROR_FAILURE;
# else
PRProcess* process =
PR_CreateProcess(exePath.get(), gRestartArgv, nullptr, nullptr);
if (!process) return NS_ERROR_FAILURE;
int32_t exitCode;
PRStatus failed = PR_WaitProcess(process, &exitCode);
if (failed || exitCode) return NS_ERROR_FAILURE;
# endif // XP_UNIX
# endif // WP_WIN
# endif // WP_MACOSX
#endif // MOZ_WIDGET_ANDROID
return NS_ERROR_LAUNCHED_CHILD_PROCESS;
}
static const char kProfileProperties[] =
"chrome://mozapps/locale/profile/profileSelection.properties";
namespace {
/**
* This class, instead of a raw nsresult, should be the return type of any
* function called by SelectProfile that initializes XPCOM.
*/
class ReturnAbortOnError {
public:
MOZ_IMPLICIT ReturnAbortOnError(nsresult aRv) { mRv = ConvertRv(aRv); }
operator nsresult() { return mRv; }
private:
inline nsresult ConvertRv(nsresult aRv) {
if (NS_SUCCEEDED(aRv) || aRv == NS_ERROR_LAUNCHED_CHILD_PROCESS) {
return aRv;
}
return NS_ERROR_ABORT;
}
nsresult mRv;
};
} // namespace
static nsresult ProfileMissingDialog(nsINativeAppSupport* aNative) {
nsresult rv;
ScopedXPCOMStartup xpcom;
rv = xpcom.Initialize();
NS_ENSURE_SUCCESS(rv, rv);
rv = xpcom.SetWindowCreator(aNative);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
{ // extra scoping is needed so we release these components before xpcom
// shutdown
nsCOMPtr<nsIStringBundleService> sbs =
mozilla::services::GetStringBundleService();
NS_ENSURE_TRUE(sbs, NS_ERROR_FAILURE);
nsCOMPtr<nsIStringBundle> sb;
sbs->CreateBundle(kProfileProperties, getter_AddRefs(sb));
NS_ENSURE_TRUE_LOG(sbs, NS_ERROR_FAILURE);
NS_ConvertUTF8toUTF16 appName(gAppData->name);
const char16_t* params[] = {appName.get(), appName.get()};
// profileMissing
nsAutoString missingMessage;
rv = sb->FormatStringFromName("profileMissing", params, 2, missingMessage);
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
nsAutoString missingTitle;
rv = sb->FormatStringFromName("profileMissingTitle", params, 1,
missingTitle);
NS_ENSURE_SUCCESS(rv, NS_ERROR_ABORT);
nsCOMPtr<nsIPromptService> ps(do_GetService(NS_PROMPTSERVICE_CONTRACTID));
NS_ENSURE_TRUE(ps, NS_ERROR_FAILURE);
ps->Alert(nullptr, missingTitle.get(), missingMessage.get());
return NS_ERROR_ABORT;
}
}
static ReturnAbortOnError ProfileLockedDialog(nsIFile* aProfileDir,
nsIFile* aProfileLocalDir,
nsIProfileUnlocker* aUnlocker,
nsINativeAppSupport* aNative,
nsIProfileLock** aResult) {
nsresult rv;
bool exists;
aProfileDir->Exists(&exists);
if (!exists) {
return ProfileMissingDialog(aNative);
}
ScopedXPCOMStartup xpcom;
rv = xpcom.Initialize();
NS_ENSURE_SUCCESS(rv, rv);
mozilla::Telemetry::WriteFailedProfileLock(aProfileDir);
rv = xpcom.SetWindowCreator(aNative);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
{ // extra scoping is needed so we release these components before xpcom
// shutdown
nsCOMPtr<nsIStringBundleService> sbs =
mozilla::services::GetStringBundleService();
NS_ENSURE_TRUE(sbs, NS_ERROR_FAILURE);
nsCOMPtr<nsIStringBundle> sb;
sbs->CreateBundle(kProfileProperties, getter_AddRefs(sb));
NS_ENSURE_TRUE_LOG(sbs, NS_ERROR_FAILURE);
NS_ConvertUTF8toUTF16 appName(gAppData->name);
const char16_t* params[] = {appName.get(), appName.get()};
nsAutoString killMessage;
#ifndef XP_MACOSX
rv = sb->FormatStringFromName(
aUnlocker ? "restartMessageUnlocker" : "restartMessageNoUnlocker",
params, 2, killMessage);
#else
rv = sb->FormatStringFromName(
aUnlocker ? "restartMessageUnlockerMac" : "restartMessageNoUnlockerMac",
params, 2, killMessage);
#endif
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
nsAutoString killTitle;
rv = sb->FormatStringFromName("restartTitle", params, 1, killTitle);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
if (gfxPlatform::IsHeadless()) {
// TODO: make a way to turn off all dialogs when headless.
Output(true, "%s\n", NS_LossyConvertUTF16toASCII(killMessage).get());
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPromptService> ps(do_GetService(NS_PROMPTSERVICE_CONTRACTID));
NS_ENSURE_TRUE(ps, NS_ERROR_FAILURE);
if (aUnlocker) {
int32_t button;
#ifdef MOZ_WIDGET_ANDROID
java::GeckoAppShell::KillAnyZombies();
button = 0;
#else
const uint32_t flags = (nsIPromptService::BUTTON_TITLE_IS_STRING *
nsIPromptService::BUTTON_POS_0) +
(nsIPromptService::BUTTON_TITLE_CANCEL *
nsIPromptService::BUTTON_POS_1);
bool checkState = false;
rv = ps->ConfirmEx(nullptr, killTitle.get(), killMessage.get(), flags,
killTitle.get(), nullptr, nullptr, nullptr,
&checkState, &button);
NS_ENSURE_SUCCESS_LOG(rv, rv);
#endif
if (button == 0) {
rv = aUnlocker->Unlock(nsIProfileUnlocker::FORCE_QUIT);
if (NS_FAILED(rv)) {
return rv;
}
SaveFileToEnv("XRE_PROFILE_PATH", aProfileDir);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", aProfileLocalDir);
return LaunchChild(aNative);
}
} else {
#ifdef MOZ_WIDGET_ANDROID
if (java::GeckoAppShell::UnlockProfile()) {
return NS_LockProfilePath(aProfileDir, aProfileLocalDir, nullptr,
aResult);
}
#else
rv = ps->Alert(nullptr, killTitle.get(), killMessage.get());
NS_ENSURE_SUCCESS_LOG(rv, rv);
#endif
}
return NS_ERROR_ABORT;
}
}
static const char kProfileManagerURL[] =
"chrome://mozapps/content/profile/profileSelection.xul";
static ReturnAbortOnError ShowProfileManager(
nsIToolkitProfileService* aProfileSvc, nsINativeAppSupport* aNative) {
nsresult rv;
nsCOMPtr<nsIFile> profD, profLD;
bool offline = false;
{
ScopedXPCOMStartup xpcom;
rv = xpcom.Initialize();
NS_ENSURE_SUCCESS(rv, rv);
// Initialize the graphics prefs, some of the paths need them before
// any other graphics is initialized (e.g., showing the profile chooser.)
gfxPrefs::GetSingleton();
rv = xpcom.SetWindowCreator(aNative);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
#ifdef XP_MACOSX
CommandLineServiceMac::SetupMacCommandLine(gRestartArgc, gRestartArgv,
true);
#endif
{ // extra scoping is needed so we release these components before xpcom
// shutdown
nsCOMPtr<nsIWindowWatcher> windowWatcher(
do_GetService(NS_WINDOWWATCHER_CONTRACTID));
nsCOMPtr<nsIDialogParamBlock> ioParamBlock(
do_CreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID));
nsCOMPtr<nsIMutableArray> dlgArray(
do_CreateInstance(NS_ARRAY_CONTRACTID));
NS_ENSURE_TRUE(windowWatcher && ioParamBlock && dlgArray,
NS_ERROR_FAILURE);
ioParamBlock->SetObjects(dlgArray);
nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service());
NS_ENSURE_TRUE(appStartup, NS_ERROR_FAILURE);
nsCOMPtr<mozIDOMWindowProxy> newWindow;
rv = windowWatcher->OpenWindow(nullptr, kProfileManagerURL, "_blank",
"centerscreen,chrome,modal,titlebar",
ioParamBlock, getter_AddRefs(newWindow));
NS_ENSURE_SUCCESS_LOG(rv, rv);
aProfileSvc->Flush();
int32_t dialogConfirmed;
rv = ioParamBlock->GetInt(0, &dialogConfirmed);
if (NS_FAILED(rv) || dialogConfirmed == 0) return NS_ERROR_ABORT;
int32_t startOffline;
rv = ioParamBlock->GetInt(1, &startOffline);
offline = NS_SUCCEEDED(rv) && startOffline == 1;
nsCOMPtr<nsIProfileLock> lock;
rv = dlgArray->QueryElementAt(0, NS_GET_IID(nsIProfileLock),
getter_AddRefs(lock));
NS_ENSURE_SUCCESS_LOG(rv, rv);
rv = lock->GetDirectory(getter_AddRefs(profD));
NS_ENSURE_SUCCESS(rv, rv);
rv = lock->GetLocalDirectory(getter_AddRefs(profLD));
NS_ENSURE_SUCCESS(rv, rv);
lock->Unlock();
}
}
SaveFileToEnv("XRE_PROFILE_PATH", profD);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", profLD);
SaveToEnv("XRE_RESTARTED_BY_PROFILE_MANAGER=1");
if (offline) {
SaveToEnv("XRE_START_OFFLINE=1");
}
if (gRestartedByOS) {
// Re-add this argument when actually starting the application.
char** newArgv =
(char**)realloc(gRestartArgv, sizeof(char*) * (gRestartArgc + 2));
NS_ENSURE_TRUE(newArgv, NS_ERROR_OUT_OF_MEMORY);
gRestartArgv = newArgv;
gRestartArgv[gRestartArgc++] = const_cast<char*>("-os-restarted");
gRestartArgv[gRestartArgc] = nullptr;
}
return LaunchChild(aNative);
}
static bool gDoMigration = false;
static bool gDoProfileReset = false;
static nsCOMPtr<nsIToolkitProfile> gResetOldProfile;
static nsresult LockProfile(nsINativeAppSupport* aNative, nsIFile* aRootDir,
nsIFile* aLocalDir, nsIToolkitProfile* aProfile,
nsIProfileLock** aResult) {
// If you close Firefox and very quickly reopen it, the old Firefox may
// still be closing down. Rather than immediately showing the
// "Firefox is running but is not responding" message, we spend a few
// seconds retrying first.
static const int kLockRetrySeconds = 5;
static const int kLockRetrySleepMS = 100;
nsresult rv;
nsCOMPtr<nsIProfileUnlocker> unlocker;
const TimeStamp start = TimeStamp::Now();
do {
if (aProfile) {
rv = aProfile->Lock(getter_AddRefs(unlocker), aResult);
} else {
rv = NS_LockProfilePath(aRootDir, aLocalDir, getter_AddRefs(unlocker),
aResult);
}
if (NS_SUCCEEDED(rv)) {
StartupTimeline::Record(StartupTimeline::AFTER_PROFILE_LOCKED);
return NS_OK;
}
PR_Sleep(kLockRetrySleepMS);
} while (TimeStamp::Now() - start <
TimeDuration::FromSeconds(kLockRetrySeconds));
return ProfileLockedDialog(aRootDir, aLocalDir, unlocker, aNative, aResult);
}
// Pick a profile. We need to end up with a profile root dir, local dir and
// potentially an nsIToolkitProfile instance.
//
// 1) check for --profile <path>
// 2) check for -P <name>
// 3) check for --ProfileManager
// 4) use the default profile, if there is one
// 5) if there are *no* profiles, set up profile-migration
// 6) display the profile-manager UI
static nsresult SelectProfile(nsToolkitProfileService* aProfileSvc,
nsINativeAppSupport* aNative, nsIFile** aRootDir,
nsIFile** aLocalDir,
nsIToolkitProfile** aProfile) {
StartupTimeline::Record(StartupTimeline::SELECT_PROFILE);
nsresult rv;
if (EnvHasValue("MOZ_RESET_PROFILE_RESTART")) {
gDoProfileReset = true;
gDoMigration = true;
SaveToEnv("MOZ_RESET_PROFILE_RESTART=");
// We only want to restore the previous session if the profile refresh was
// triggered by user. And if it was a user-triggered profile refresh
// through, say, the safeMode dialog or the troubleshooting page, the
// MOZ_RESET_PROFILE_RESTART env variable would be set. Hence we set
// MOZ_RESET_PROFILE_MIGRATE_SESSION here so that Firefox profile migrator
// would migrate old session data later.
SaveToEnv("MOZ_RESET_PROFILE_MIGRATE_SESSION=1");
}
// reset-profile and migration args need to be checked before any profiles are
// chosen below.
ArgResult ar = CheckArg("reset-profile", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --reset-profile is invalid when argument "
"--osint is specified\n");
return NS_ERROR_FAILURE;
}
if (ar == ARG_FOUND) {
gDoProfileReset = true;
}
ar = CheckArg("migration", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --migration is invalid when argument --osint "
"is specified\n");
return NS_ERROR_FAILURE;
}
if (ar == ARG_FOUND) {
gDoMigration = true;
}
// Ask the profile manager to select the profile directories to use.
bool didCreate = false;
rv = aProfileSvc->SelectStartupProfile(&gArgc, gArgv, gDoProfileReset,
aRootDir, aLocalDir, aProfile,
&didCreate);
if (rv == NS_ERROR_SHOW_PROFILE_MANAGER) {
return ShowProfileManager(aProfileSvc, aNative);
}
NS_ENSURE_SUCCESS(rv, rv);
if (didCreate) {
// For a fresh install, we would like to let users decide
// to do profile migration on their own later after using.
gDoProfileReset = false;
gDoMigration = false;
}
if (gDoProfileReset && !*aProfile) {
NS_WARNING("Profile reset is only supported for named profiles.");
return NS_ERROR_ABORT;
}
// No profile could be found. This generally shouldn't happen, a new profile
// should be created in all cases except for profile reset which is covered
// above, but just in case...
if (!*aRootDir) {
NS_WARNING("Failed to select or create profile.");
return NS_ERROR_ABORT;
}
return NS_OK;
}
#ifdef MOZ_BLOCK_PROFILE_DOWNGRADE
struct FileWriteFunc : public JSONWriteFunc {
FILE* mFile;
explicit FileWriteFunc(FILE* aFile) : mFile(aFile) {}
void Write(const char* aStr) override { fprintf(mFile, "%s", aStr); }
};
static void SubmitDowngradeTelemetry(const nsCString& aLastVersion,
bool aHasSync, int32_t aButton) {
nsCOMPtr<nsIPrefService> prefSvc =
do_GetService("@mozilla.org/preferences-service;1");
NS_ENSURE_TRUE_VOID(prefSvc);
nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(prefSvc);
NS_ENSURE_TRUE_VOID(prefBranch);
bool enabled;
nsresult rv = prefBranch->GetBoolPref(
"datareporting.healthreport.uploadEnabled", &enabled);
NS_ENSURE_SUCCESS_VOID(rv);
if (!enabled) {
return;
}
nsCString server;
rv = prefBranch->GetCharPref("toolkit.telemetry.server", server);
NS_ENSURE_SUCCESS_VOID(rv);
nsCString clientId;
rv = prefBranch->GetCharPref("toolkit.telemetry.cachedClientID", clientId);
NS_ENSURE_SUCCESS_VOID(rv);
rv = prefSvc->GetDefaultBranch(nullptr, getter_AddRefs(prefBranch));
NS_ENSURE_SUCCESS_VOID(rv);
nsCString channel("default");
rv = prefBranch->GetCharPref("app.update.channel", channel);
NS_ENSURE_SUCCESS_VOID(rv);
nsID uuid;
nsCOMPtr<nsIUUIDGenerator> uuidGen =
do_GetService("@mozilla.org/uuid-generator;1");
NS_ENSURE_TRUE_VOID(uuidGen);
rv = uuidGen->GenerateUUIDInPlace(&uuid);
NS_ENSURE_SUCCESS_VOID(rv);
char strid[NSID_LENGTH];
uuid.ToProvidedString(strid);
nsCString arch("null");
nsCOMPtr<nsIPropertyBag2> sysInfo =
do_GetService("@mozilla.org/system-info;1");
NS_ENSURE_TRUE_VOID(sysInfo);
sysInfo->GetPropertyAsACString(NS_LITERAL_STRING("arch"), arch);
time_t now;
time(&now);
char date[sizeof "YYYY-MM-DDThh:mm:ss.000Z"];
strftime(date, sizeof date, "%FT%T.000Z", gmtime(&now));
// NSID_LENGTH includes the trailing \0 and we also want to strip off the
// surrounding braces so the length becomes NSID_LENGTH - 3.
nsDependentCSubstring pingId(strid + 1, NSID_LENGTH - 3);
NS_NAMED_LITERAL_CSTRING(pingType, "downgrade");
int32_t pos = aLastVersion.Find("_");
if (pos == kNotFound) {
return;
}
const nsDependentCSubstring lastVersion = Substring(aLastVersion, 0, pos);
const nsDependentCSubstring lastBuildId =
Substring(aLastVersion, pos + 1, 14);
nsPrintfCString url("%s/submit/telemetry/%s/%s/%s/%s/%s/%s?v=%d",
server.get(), PromiseFlatCString(pingId).get(),
pingType.get(), (const char*)gAppData->name,
(const char*)gAppData->version, channel.get(),
(const char*)gAppData->buildID,
TELEMETRY_PING_FORMAT_VERSION);
nsCOMPtr<nsIFile> pingFile;
rv = NS_GetSpecialDirectory(XRE_USER_APP_DATA_DIR, getter_AddRefs(pingFile));
NS_ENSURE_SUCCESS_VOID(rv);
rv = pingFile->Append(NS_LITERAL_STRING("Pending Pings"));
NS_ENSURE_SUCCESS_VOID(rv);
rv = pingFile->Create(nsIFile::DIRECTORY_TYPE, 0755);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS) {
return;
}
rv = pingFile->Append(NS_ConvertUTF8toUTF16(pingId));
NS_ENSURE_SUCCESS_VOID(rv);
nsCOMPtr<nsIFile> pingSender;
rv = NS_GetSpecialDirectory(NS_GRE_BIN_DIR, getter_AddRefs(pingSender));
NS_ENSURE_SUCCESS_VOID(rv);
# ifdef XP_WIN
pingSender->Append(NS_LITERAL_STRING("pingsender.exe"));
# else
pingSender->Append(NS_LITERAL_STRING("pingsender"));
# endif
bool exists;
rv = pingSender->Exists(&exists);
NS_ENSURE_SUCCESS_VOID(rv);
if (!exists) {
return;
}
FILE* file;
rv = pingFile->OpenANSIFileDesc("w", &file);
NS_ENSURE_SUCCESS_VOID(rv);
JSONWriter w(MakeUnique<FileWriteFunc>(file));
w.Start();
{
w.StringProperty("type", pingType.get());
w.StringProperty("id", PromiseFlatCString(pingId).get());
w.StringProperty("creationDate", date);
w.IntProperty("version", TELEMETRY_PING_FORMAT_VERSION);
w.StringProperty("clientId", clientId.get());
w.StartObjectProperty("application");
{
w.StringProperty("architecture", arch.get());
w.StringProperty("buildId", gAppData->buildID);
w.StringProperty("name", gAppData->name);
w.StringProperty("version", gAppData->version);
w.StringProperty("displayVersion", NS_STRINGIFY(MOZ_APP_VERSION_DISPLAY));
w.StringProperty("vendor", gAppData->vendor);
w.StringProperty("platformVersion", gToolkitVersion);
# ifdef TARGET_XPCOM_ABI
w.StringProperty("xpcomAbi", TARGET_XPCOM_ABI);
# else
w.StringProperty("xpcomAbi", "unknown");
# endif
w.StringProperty("channel", channel.get());
}
w.EndObject();
w.StartObjectProperty("payload");
{
w.StringProperty("lastVersion", PromiseFlatCString(lastVersion).get());
w.StringProperty("lastBuildId", PromiseFlatCString(lastBuildId).get());
w.BoolProperty("hasSync", aHasSync);
w.IntProperty("button", aButton);
}
w.EndObject();
}
w.End();
fclose(file);
PathString filePath = pingFile->NativePath();
const filesystem::Path::value_type* args[2];
# ifdef XP_WIN
nsString urlw = NS_ConvertUTF8toUTF16(url);
args[0] = urlw.get();
# else
args[0] = url.get();
# endif
args[1] = filePath.get();
nsCOMPtr<nsIProcess> process =
do_CreateInstance("@mozilla.org/process/util;1");
NS_ENSURE_TRUE_VOID(process);
process->Init(pingSender);
process->SetStartHidden(true);
process->SetNoShell(true);
# ifdef XP_WIN
process->Runw(false, args, 2);
# else
process->Run(false, args, 2);
# endif
}
static const char kProfileDowngradeURL[] =
"chrome://mozapps/content/profile/profileDowngrade.xul";
static ReturnAbortOnError CheckDowngrade(nsIFile* aProfileDir,
nsINativeAppSupport* aNative,
nsIToolkitProfileService* aProfileSvc,
const nsCString& aLastVersion) {
int32_t result = 0;
nsresult rv;
{
if (gfxPlatform::IsHeadless()) {
// TODO: make a way to turn off all dialogs when headless.
Output(true,
"This profile was last used with a newer version of this "
"application. Please create a new profile.\n");
return NS_ERROR_ABORT;
}
ScopedXPCOMStartup xpcom;
rv = xpcom.Initialize();
NS_ENSURE_SUCCESS(rv, rv);
rv = xpcom.SetWindowCreator(aNative);
NS_ENSURE_SUCCESS(rv, rv);
{ // extra scoping is needed so we release these components before xpcom
// shutdown
bool hasSync = false;
nsCOMPtr<nsIPrefService> prefSvc =
do_GetService("@mozilla.org/preferences-service;1");
NS_ENSURE_TRUE(prefSvc, rv);
nsCOMPtr<nsIFile> prefsFile;
rv = aProfileDir->Clone(getter_AddRefs(prefsFile));
NS_ENSURE_SUCCESS(rv, rv);
rv = prefsFile->Append(NS_LITERAL_STRING("prefs.js"));
NS_ENSURE_SUCCESS(rv, rv);
rv = prefSvc->ReadUserPrefsFromFile(prefsFile);
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(prefSvc);
rv = prefBranch->PrefHasUserValue("services.sync.username", &hasSync);
NS_ENSURE_SUCCESS(rv, rv);
}
nsCOMPtr<nsIWindowWatcher> windowWatcher =
do_GetService(NS_WINDOWWATCHER_CONTRACTID);
NS_ENSURE_TRUE(windowWatcher, NS_ERROR_ABORT);
nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service());
NS_ENSURE_TRUE(appStartup, NS_ERROR_FAILURE);
nsCOMPtr<nsIDialogParamBlock> paramBlock =
do_CreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID);
NS_ENSURE_TRUE(paramBlock, NS_ERROR_ABORT);
uint8_t flags = 0;
if (hasSync) {
flags |= nsIToolkitProfileService::hasSync;
}
paramBlock->SetInt(0, flags);
nsCOMPtr<mozIDOMWindowProxy> newWindow;
rv = windowWatcher->OpenWindow(nullptr, kProfileDowngradeURL, "_blank",
"centerscreen,chrome,modal,titlebar",
paramBlock, getter_AddRefs(newWindow));
NS_ENSURE_SUCCESS(rv, rv);
paramBlock->GetInt(1, &result);
SubmitDowngradeTelemetry(aLastVersion, hasSync, result);
}
}
if (result == nsIToolkitProfileService::createNewProfile) {
// Create a new profile and start it.
nsCString profileName;
profileName.AssignLiteral("default");
# ifdef MOZ_DEDICATED_PROFILES
profileName.Append("-" NS_STRINGIFY(MOZ_UPDATE_CHANNEL));
# endif
nsCOMPtr<nsIToolkitProfile> newProfile;
rv = aProfileSvc->CreateUniqueProfile(nullptr, profileName,
getter_AddRefs(newProfile));
NS_ENSURE_SUCCESS(rv, rv);
rv = aProfileSvc->SetDefaultProfile(newProfile);
NS_ENSURE_SUCCESS(rv, rv);
rv = aProfileSvc->Flush();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> profD, profLD;
rv = newProfile->GetRootDir(getter_AddRefs(profD));
NS_ENSURE_SUCCESS(rv, rv);
rv = newProfile->GetLocalDir(getter_AddRefs(profLD));
NS_ENSURE_SUCCESS(rv, rv);
SaveFileToEnv("XRE_PROFILE_PATH", profD);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", profLD);
return LaunchChild(aNative);
}
// Cancel
return NS_ERROR_ABORT;
}
#endif
/**
* The version string used in compatibility.ini is in the form
* <appversion>_<appbuildid>/<aplatformbuildidid>. The build IDs are in the form
* <year><month><day><hour><minute><second>. We need to be able to turn this
* into something that can be compared by the version comparator. Build IDs are
* numeric so normally we could just use those as part of the version but they
* are larger than 32-bit integers so we must split them into two parts.
* So we generate a version string of the format:
* <appversion>.<appbuilddate>.<appbuildtime>.<platformbuilddate>.<platformbuildtime>
* This doesn't compare correctly so
* we have to make the build ids separate version parts instead. We also have
* to split up the build ids as they are too large for the version comparator's
* brain.
*/
// Build ID dates are 8 digits, build ID times are 6 digits.
#define BUILDID_DATE_LENGTH 8
#define BUILDID_TIME_LENGTH 6
#define BUILDID_LENGTH BUILDID_DATE_LENGTH + BUILDID_TIME_LENGTH
static void GetBuildIDVersions(const nsACString& aFullVersion, int32_t aPos,
nsACString& aBuildVersions) {
// Extract the date part then the time part.
aBuildVersions.Assign(
Substring(aFullVersion, aPos, BUILDID_DATE_LENGTH) +
NS_LITERAL_CSTRING(".") +
Substring(aFullVersion, aPos + BUILDID_DATE_LENGTH, BUILDID_TIME_LENGTH));
}
static Version GetComparableVersion(const nsCString& aVersionStr) {
// We'll find the position of the '_' and '/' characters. The length from the
// '_' character to the '/' character will be the length of a build ID plus
// one for the '_' character. Similarly the length from the '/' character to
// the end of the string will be the same.
const uint32_t kExpectedLength = BUILDID_LENGTH + 1;
int32_t underscorePos = aVersionStr.FindChar('_');
int32_t slashPos = aVersionStr.FindChar('/');
if (underscorePos == kNotFound || slashPos == kNotFound ||
(slashPos - underscorePos) != kExpectedLength ||
(aVersionStr.Length() - slashPos) != kExpectedLength) {
NS_WARNING(
"compatibility.ini Version string does not match the expected format.");
return Version(aVersionStr.get());
}
nsCString appBuild, platBuild;
NS_NAMED_LITERAL_CSTRING(dot, ".");
const nsACString& version = Substring(aVersionStr, 0, underscorePos);
GetBuildIDVersions(aVersionStr, underscorePos + 1, /* outparam */ appBuild);
GetBuildIDVersions(aVersionStr, slashPos + 1, /* outparam */ platBuild);
const nsACString& fullVersion = version + dot + appBuild + dot + platBuild;
return Version(PromiseFlatCString(fullVersion).get());
}
/**
* Checks the compatibility.ini file to see if we have updated our application
* or otherwise invalidated our caches. If the application has been updated,
* we return false; otherwise, we return true. We also write the status
* of the caches (valid/invalid) into the return param aCachesOK. The aCachesOK
* is always invalid if the application has been updated. aIsDowngrade is set to
* true if the current application is older than that previously used by the
* profile.
*/
static bool CheckCompatibility(nsIFile* aProfileDir, const nsCString& aVersion,
const nsCString& aOSABI, nsIFile* aXULRunnerDir,
nsIFile* aAppDir, nsIFile* aFlagFile,
bool* aCachesOK, bool* aIsDowngrade,
nsCString& aLastVersion) {
*aCachesOK = false;
*aIsDowngrade = false;
nsCOMPtr<nsIFile> file;
aProfileDir->Clone(getter_AddRefs(file));
if (!file) return false;
file->AppendNative(FILE_COMPATIBILITY_INFO);
nsINIParser parser;
nsresult rv = parser.Init(file);
if (NS_FAILED(rv)) return false;
rv = parser.GetString("Compatibility", "LastVersion", aLastVersion);
if (NS_FAILED(rv)) {
return false;
}
if (!aVersion.Equals(aLastVersion)) {
Version current = GetComparableVersion(aVersion);
Version last = GetComparableVersion(aLastVersion);
*aIsDowngrade = last > current;
return false;
}
nsAutoCString buf;
rv = parser.GetString("Compatibility", "LastOSABI", buf);
if (NS_FAILED(rv) || !aOSABI.Equals(buf)) return false;
rv = parser.GetString("Compatibility", "LastPlatformDir", buf);
if (NS_FAILED(rv)) return false;
nsCOMPtr<nsIFile> lf;
rv = NS_NewNativeLocalFile(EmptyCString(), false, getter_AddRefs(lf));
if (NS_FAILED(rv)) return false;
rv = lf->SetPersistentDescriptor(buf);
if (NS_FAILED(rv)) return false;
bool eq;
rv = lf->Equals(aXULRunnerDir, &eq);
if (NS_FAILED(rv) || !eq) return false;
if (aAppDir) {
rv = parser.GetString("Compatibility", "LastAppDir", buf);
if (NS_FAILED(rv)) return false;
rv = NS_NewNativeLocalFile(EmptyCString(), false, getter_AddRefs(lf));
if (NS_FAILED(rv)) return false;
rv = lf->SetPersistentDescriptor(buf);
if (NS_FAILED(rv)) return false;
rv = lf->Equals(aAppDir, &eq);
if (NS_FAILED(rv) || !eq) return false;
}
// If we see this flag, caches are invalid.
rv = parser.GetString("Compatibility", "InvalidateCaches", buf);
*aCachesOK = (NS_FAILED(rv) || !buf.EqualsLiteral("1"));
bool purgeCaches = false;
if (aFlagFile) {
aFlagFile->Exists(&purgeCaches);
}
*aCachesOK = !purgeCaches && *aCachesOK;
return true;
}
static void BuildVersion(nsCString& aBuf) {
aBuf.Assign(gAppData->version);
aBuf.Append('_');
aBuf.Append(gAppData->buildID);
aBuf.Append('/');
aBuf.Append(gToolkitBuildID);
}
static void WriteVersion(nsIFile* aProfileDir, const nsCString& aVersion,
const nsCString& aOSABI, nsIFile* aXULRunnerDir,
nsIFile* aAppDir, bool invalidateCache) {
nsCOMPtr<nsIFile> file;
aProfileDir->Clone(getter_AddRefs(file));
if (!file) return;
file->AppendNative(FILE_COMPATIBILITY_INFO);
nsAutoCString platformDir;
Unused << aXULRunnerDir->GetPersistentDescriptor(platformDir);
nsAutoCString appDir;
if (aAppDir) Unused << aAppDir->GetPersistentDescriptor(appDir);
PRFileDesc* fd;
nsresult rv = file->OpenNSPRFileDesc(PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE,
0600, &fd);
if (NS_FAILED(rv)) {
NS_ERROR("could not create output stream");
return;
}
static const char kHeader[] = "[Compatibility]" NS_LINEBREAK "LastVersion=";
PR_Write(fd, kHeader, sizeof(kHeader) - 1);
PR_Write(fd, aVersion.get(), aVersion.Length());
static const char kOSABIHeader[] = NS_LINEBREAK "LastOSABI=";
PR_Write(fd, kOSABIHeader, sizeof(kOSABIHeader) - 1);
PR_Write(fd, aOSABI.get(), aOSABI.Length());
static const char kPlatformDirHeader[] = NS_LINEBREAK "LastPlatformDir=";
PR_Write(fd, kPlatformDirHeader, sizeof(kPlatformDirHeader) - 1);
PR_Write(fd, platformDir.get(), platformDir.Length());
static const char kAppDirHeader[] = NS_LINEBREAK "LastAppDir=";
if (aAppDir) {
PR_Write(fd, kAppDirHeader, sizeof(kAppDirHeader) - 1);
PR_Write(fd, appDir.get(), appDir.Length());
}
static const char kInvalidationHeader[] = NS_LINEBREAK "InvalidateCaches=1";
if (invalidateCache)
PR_Write(fd, kInvalidationHeader, sizeof(kInvalidationHeader) - 1);
static const char kNL[] = NS_LINEBREAK;
PR_Write(fd, kNL, sizeof(kNL) - 1);
PR_Close(fd);
}
/**
* Returns true if the startup cache file was successfully removed.
* Returns false if file->Clone fails at any point (OOM) or if unable
* to remove the startup cache file. Note in particular the return value
* is unaffected by a failure to remove extensions.ini
*/
static bool RemoveComponentRegistries(nsIFile* aProfileDir,
nsIFile* aLocalProfileDir,
bool aRemoveEMFiles) {
nsCOMPtr<nsIFile> file;
aProfileDir->Clone(getter_AddRefs(file));
if (!file) return false;
if (aRemoveEMFiles) {
file->SetNativeLeafName(NS_LITERAL_CSTRING("extensions.ini"));
file->Remove(false);
}
aLocalProfileDir->Clone(getter_AddRefs(file));
if (!file) return false;
#if defined(XP_UNIX) || defined(XP_BEOS)
# define PLATFORM_FASL_SUFFIX ".mfasl"
#elif defined(XP_WIN)
# define PLATFORM_FASL_SUFFIX ".mfl"
#endif
file->AppendNative(NS_LITERAL_CSTRING("XUL" PLATFORM_FASL_SUFFIX));
file->Remove(false);
file->SetNativeLeafName(NS_LITERAL_CSTRING("XPC" PLATFORM_FASL_SUFFIX));
file->Remove(false);
file->SetNativeLeafName(NS_LITERAL_CSTRING("startupCache"));
nsresult rv = file->Remove(true);
return NS_SUCCEEDED(rv) || rv == NS_ERROR_FILE_TARGET_DOES_NOT_EXIST ||
rv == NS_ERROR_FILE_NOT_FOUND;
}
// To support application initiated restart via nsIAppStartup.quit, we
// need to save various environment variables, and then restore them
// before re-launching the application.
static struct SavedVar {
const char* name;
char* value;
} gSavedVars[] = {{"XUL_APP_FILE", nullptr}};
static void SaveStateForAppInitiatedRestart() {
for (auto& savedVar : gSavedVars) {
const char* s = PR_GetEnv(savedVar.name);
if (s) savedVar.value = Smprintf("%s=%s", savedVar.name, s).release();
}
}
static void RestoreStateForAppInitiatedRestart() {
for (auto& savedVar : gSavedVars) {
if (savedVar.value) PR_SetEnv(savedVar.value);
}
}
// When we first initialize the crash reporter we don't have a profile,
// so we set the minidump path to $TEMP. Once we have a profile,
// we set it to $PROFILE/minidumps, creating the directory
// if needed.
static void MakeOrSetMinidumpPath(nsIFile* profD) {
nsCOMPtr<nsIFile> dumpD;
profD->Clone(getter_AddRefs(dumpD));
if (dumpD) {
bool fileExists;
// XXX: do some more error checking here
dumpD->Append(NS_LITERAL_STRING("minidumps"));
dumpD->Exists(&fileExists);
if (!fileExists) {
nsresult rv = dumpD->Create(nsIFile::DIRECTORY_TYPE, 0700);
NS_ENSURE_SUCCESS_VOID(rv);
}
nsAutoString pathStr;
if (NS_SUCCEEDED(dumpD->GetPath(pathStr)))
CrashReporter::SetMinidumpPath(pathStr);
}
}
const XREAppData* gAppData = nullptr;
#ifdef MOZ_WIDGET_GTK
static void MOZ_gdk_display_close(GdkDisplay* display) {
# if CLEANUP_MEMORY
// XXX wallpaper for bug 417163: don't close the Display if we're using the
// Qt theme because we crash (in Qt code) when using jemalloc.
bool skip_display_close = false;
GtkSettings* settings =
gtk_settings_get_for_screen(gdk_display_get_default_screen(display));
gchar* theme_name;
g_object_get(settings, "gtk-theme-name", &theme_name, nullptr);
if (theme_name) {
skip_display_close = strcmp(theme_name, "Qt") == 0;
if (skip_display_close) NS_WARNING("wallpaper bug 417163 for Qt theme");
g_free(theme_name);
}
# ifdef MOZ_WIDGET_GTK
// A workaround for https://bugzilla.gnome.org/show_bug.cgi?id=703257
if (gtk_check_version(3, 9, 8) != NULL) skip_display_close = true;
# endif
// Get a (new) Pango context that holds a reference to the fontmap that
// GTK has been using. gdk_pango_context_get() must be called while GTK
// has a default display.
PangoContext* pangoContext = gdk_pango_context_get();
bool buggyCairoShutdown = cairo_version() < CAIRO_VERSION_ENCODE(1, 4, 0);
if (!buggyCairoShutdown) {
// We should shut down GDK before we shut down libraries it depends on
// like Pango and cairo. But if cairo shutdown is buggy, we should
// shut down cairo first otherwise it may crash because of dangling
// references to Display objects (see bug 469831).
if (!skip_display_close) gdk_display_close(display);
}
// Clean up PangoCairo's default fontmap.
// This pango_fc_font_map_shutdown call (and the associated code to
// get the font map) really shouldn't be needed anymore, except that
// it's needed to avoid having cairo_debug_reset_static_data fatally
// assert if we've leaked other things that hold on to the fontmap,
// which is something that currently happens in mochitest-plugins.
// Even if it didn't happen in mochitest-plugins, we probably want to
// avoid the crash-on-leak problem since it makes it harder to use
// many of our leak tools to debug leaks.
// This doesn't take a reference.
PangoFontMap* fontmap = pango_context_get_font_map(pangoContext);
// Do some shutdown of the fontmap, which releases the fonts, clearing a
// bunch of circular references from the fontmap through the fonts back to
// itself. The shutdown that this does is much less than what's done by
// the fontmap's finalize, though.
if (PANGO_IS_FC_FONT_MAP(fontmap))
pango_fc_font_map_shutdown(PANGO_FC_FONT_MAP(fontmap));
g_object_unref(pangoContext);
// Tell PangoCairo to release its default fontmap.
pango_cairo_font_map_set_default(nullptr);
// cairo_debug_reset_static_data() is prototyped through cairo.h included
// by gtk.h.
# ifdef cairo_debug_reset_static_data
# error \
"Looks like we're including Mozilla's cairo instead of system cairo"
# endif
cairo_debug_reset_static_data();
// FIXME: Do we need to call this in non-GTK2 cases as well?
FcFini();
if (buggyCairoShutdown) {
if (!skip_display_close) gdk_display_close(display);
}
# else // not CLEANUP_MEMORY
// Don't do anything to avoid running into driver bugs under XCloseDisplay().
// See bug 973192.
(void)display;
# endif
}
#endif
/**
* NSPR will search for the "nspr_use_zone_allocator" symbol throughout
* the process and use it to determine whether the application defines its own
* memory allocator or not.
*
* Since most applications (e.g. Firefox and Thunderbird) don't use any special
* allocators and therefore don't define this symbol, NSPR must search the
* entire process, which reduces startup performance.
*
* By defining the symbol here, we can avoid the wasted lookup and hopefully
* improve startup performance.
*/
NS_VISIBILITY_DEFAULT PRBool nspr_use_zone_allocator = PR_FALSE;
#ifdef CAIRO_HAS_DWRITE_FONT
# include <dwrite.h>
# ifdef DEBUG_DWRITE_STARTUP
# define LOGREGISTRY(msg) LogRegistryEvent(msg)
// for use when monitoring process
static void LogRegistryEvent(const wchar_t* msg) {
HKEY dummyKey;
HRESULT hr;
wchar_t buf[512];
wsprintf(buf, L" log %s", msg);
hr = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buf, 0, KEY_READ, &dummyKey);
if (SUCCEEDED(hr)) {
RegCloseKey(dummyKey);
}
}
# else
# define LOGREGISTRY(msg)
# endif
static DWORD WINAPI InitDwriteBG(LPVOID lpdwThreadParam) {
SetThreadPriority(GetCurrentThread(), THREAD_MODE_BACKGROUND_BEGIN);
LOGREGISTRY(L"loading dwrite.dll");
HMODULE dwdll = LoadLibraryW(L"dwrite.dll");
if (dwdll) {
decltype(DWriteCreateFactory)* createDWriteFactory =
(decltype(DWriteCreateFactory)*)GetProcAddress(dwdll,
"DWriteCreateFactory");
if (createDWriteFactory) {
LOGREGISTRY(L"creating dwrite factory");
IDWriteFactory* factory;
HRESULT hr = createDWriteFactory(DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
reinterpret_cast<IUnknown**>(&factory));
if (SUCCEEDED(hr)) {
LOGREGISTRY(L"dwrite factory done");
factory->Release();
LOGREGISTRY(L"freed factory");
} else {
LOGREGISTRY(L"failed to create factory");
}
}
}
SetThreadPriority(GetCurrentThread(), THREAD_MODE_BACKGROUND_END);
return 0;
}
#endif
#ifdef USE_GLX_TEST
bool fire_glxtest_process();
#endif
#include "GeckoProfiler.h"
// Encapsulates startup and shutdown state for XRE_main
class XREMain {
public:
XREMain()
: mStartOffline(false),
mShuttingDown(false)
#ifdef MOZ_HAS_REMOTE
,
mDisableRemote(false)
#endif
#if defined(MOZ_WIDGET_GTK)
,
mGdkDisplay(nullptr)
#endif
{};
~XREMain() {
mScopedXPCOM = nullptr;
mAppData = nullptr;
}
int XRE_main(int argc, char* argv[], const BootstrapConfig& aConfig);
int XRE_mainInit(bool* aExitFlag);
int XRE_mainStartup(bool* aExitFlag);
nsresult XRE_mainRun();
Result<bool, nsresult> CheckLastStartupWasCrash();
nsCOMPtr<nsINativeAppSupport> mNativeApp;
RefPtr<nsToolkitProfileService> mProfileSvc;
nsCOMPtr<nsIFile> mProfD;
nsCOMPtr<nsIFile> mProfLD;
nsCOMPtr<nsIProfileLock> mProfileLock;
#if defined(MOZ_HAS_REMOTE)
RefPtr<nsRemoteService> mRemoteService;
#endif
UniquePtr<ScopedXPCOMStartup> mScopedXPCOM;
UniquePtr<XREAppData> mAppData;
nsXREDirProvider mDirProvider;
nsAutoCString mDesktopStartupID;
bool mStartOffline;
bool mShuttingDown;
#if defined(MOZ_HAS_REMOTE)
bool mDisableRemote;
#endif
#if defined(MOZ_WIDGET_GTK)
GdkDisplay* mGdkDisplay;
#endif
};
#if defined(XP_UNIX) && !defined(ANDROID)
static SmprintfPointer FormatUid(uid_t aId) {
if (const auto pw = getpwuid(aId)) {
return mozilla::Smprintf("%s", pw->pw_name);
}
return mozilla::Smprintf("uid %d", static_cast<int>(aId));
}
// Bug 1323302: refuse to run under sudo or similar.
static bool CheckForUserMismatch() {
static char const* const kVars[] = {
"HOME",
# ifdef MOZ_WIDGET_GTK
"XDG_RUNTIME_DIR",
# endif
# ifdef MOZ_X11
"XAUTHORITY",
# endif
};
const uid_t euid = geteuid();
if (euid != 0) {
// On Linux it's possible to have superuser capabilities with a
// nonzero uid, but anyone who knows enough to make that happen
// probably knows enough to debug the resulting problems.
// Otherwise, a non-root user can't cause the problems we're
// concerned about.
return false;
}
for (const auto var : kVars) {
if (const auto path = PR_GetEnv(var)) {
struct stat st;
if (stat(path, &st) == 0) {
if (st.st_uid != euid) {
const auto owner = FormatUid(st.st_uid);
Output(true,
"Running " MOZ_APP_DISPLAYNAME
" as root in a regular"
" user's session is not supported. ($%s is %s which is"
" owned by %s.)\n",
var, path, owner.get());
return true;
}
}
}
}
return false;
}
#else // !XP_UNIX || ANDROID
static bool CheckForUserMismatch() { return false; }
#endif
static void IncreaseDescriptorLimits() {
#ifdef XP_UNIX
// Increase the fd limit to accomodate IPC resources like shared memory.
static const rlim_t kFDs = 4096;
struct rlimit rlim;
if (getrlimit(RLIMIT_NOFILE, &rlim) != 0) {
Output(false, "getrlimit: %s\n", strerror(errno));
return;
}
// Don't decrease the limit if it's already high enough, but don't
// try to go over the hard limit. (RLIM_INFINITY isn't required to
// be the numerically largest rlim_t, so don't assume that.)
if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < kFDs &&
rlim.rlim_cur < rlim.rlim_max) {
if (rlim.rlim_max != RLIM_INFINITY && rlim.rlim_max < kFDs) {
rlim.rlim_cur = rlim.rlim_max;
} else {
rlim.rlim_cur = kFDs;
}
if (setrlimit(RLIMIT_NOFILE, &rlim) != 0) {
Output(false, "setrlimit: %s\n", strerror(errno));
}
}
#endif
}
/*
* XRE_mainInit - Initial setup and command line parameter processing.
* Main() will exit early if either return value != 0 or if aExitFlag is
* true.
*/
int XREMain::XRE_mainInit(bool* aExitFlag) {
if (!aExitFlag) return 1;
*aExitFlag = false;
atexit(UnexpectedExit);
auto expectedShutdown = mozilla::MakeScopeExit([&] { MozExpectedExit(); });
StartupTimeline::Record(StartupTimeline::MAIN);
if (CheckForUserMismatch()) {
return 1;
}
if (PR_GetEnv("MOZ_CHAOSMODE")) {
ChaosFeature feature = ChaosFeature::Any;
long featureInt = strtol(PR_GetEnv("MOZ_CHAOSMODE"), nullptr, 16);
if (featureInt) {
// NOTE: MOZ_CHAOSMODE=0 or a non-hex value maps to Any feature.
feature = static_cast<ChaosFeature>(featureInt);
}
ChaosMode::SetChaosFeature(feature);
}
#ifdef MOZ_ASAN_REPORTER
// In ASan Reporter builds, we enable certain chaos features by default unless
// the user explicitly requests a particular set of features.
if (!PR_GetEnv("MOZ_CHAOSMODE")) {
ChaosMode::SetChaosFeature(static_cast<ChaosFeature>(
ChaosFeature::ThreadScheduling | ChaosFeature::NetworkScheduling |
ChaosFeature::TimerScheduling));
}
#endif
if (ChaosMode::isActive(ChaosFeature::Any)) {
printf_stderr(
"*** You are running in chaos test mode. See ChaosMode.h. ***\n");
}
if (CheckArg("headless") || CheckArgExists("screenshot")) {
PR_SetEnv("MOZ_HEADLESS=1");
}
if (gfxPlatform::IsHeadless()) {
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
printf_stderr("*** You are running in headless mode.\n");
#else
Output(
true,
"Error: headless mode is not currently supported on this platform.\n");
return 1;
#endif
#ifdef XP_MACOSX
// To avoid taking focus when running in headless mode immediately
// transition Firefox to a background application.
ProcessSerialNumber psn = {0, kCurrentProcess};
OSStatus transformStatus =
TransformProcessType(&psn, kProcessTransformToBackgroundApplication);
if (transformStatus != noErr) {
NS_ERROR("Failed to make process a background application.");
return 1;
}
#endif
}
nsresult rv;
ArgResult ar;
#ifdef DEBUG
if (PR_GetEnv("XRE_MAIN_BREAK")) NS_BREAK();
#endif
IncreaseDescriptorLimits();
#ifdef USE_GLX_TEST
// bug 639842 - it's very important to fire this process BEFORE we set up
// error handling. indeed, this process is expected to be crashy, and we
// don't want the user to see its crashes. That's the whole reason for
// doing this in a separate process.
//
// This call will cause a fork and the fork will terminate itself separately
// from the usual shutdown sequence
fire_glxtest_process();
#endif
SetupErrorHandling(gArgv[0]);
#ifdef CAIRO_HAS_DWRITE_FONT
{
// Bug 602792 - when DWriteCreateFactory is called the dwrite client dll
// starts the FntCache service if it isn't already running (it's set
// to manual startup by default in Windows 7 RTM). Subsequent DirectWrite
// calls cause the IDWriteFactory object to communicate with the FntCache
// service with a timeout; if there's no response after the timeout, the
// DirectWrite client library will assume the service isn't around and do
// manual font file I/O on _all_ system fonts. To avoid this, load the
// dwrite library and create a factory as early as possible so that the
// FntCache service is ready by the time it's needed.
CreateThread(nullptr, 0, &InitDwriteBG, nullptr, 0, nullptr);
}
#endif
#ifdef XP_UNIX
const char* home = PR_GetEnv("HOME");
if (!home || !*home) {
struct passwd* pw = getpwuid(geteuid());
if (!pw || !pw->pw_dir) {
Output(true, "Could not determine HOME directory");
return 1;
}
SaveWordToEnv("HOME", nsDependentCString(pw->pw_dir));
}
#endif
#ifdef MOZ_ACCESSIBILITY_ATK
// Suppress atk-bridge init at startup, until mozilla accessibility is
// initialized. This works after gnome 2.24.2.
SaveToEnv("NO_AT_BRIDGE=1");
#endif
// Check for application.ini overrides
const char* override = nullptr;
ar = CheckArg("override", &override,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
Output(true, "Incorrect number of arguments passed to --override");
return 1;
}
if (ar == ARG_FOUND) {
nsCOMPtr<nsIFile> overrideLF;
rv = XRE_GetFileFromPath(override, getter_AddRefs(overrideLF));
if (NS_FAILED(rv)) {
Output(true, "Error: unrecognized override.ini path.\n");
return 1;
}
rv = XRE_ParseAppData(overrideLF, *mAppData);
if (NS_FAILED(rv)) {
Output(true, "Couldn't read override.ini");
return 1;
}
}
// Check sanity and correctness of app data.
if (!mAppData->name) {
Output(true, "Error: App:Name not specified in application.ini\n");
return 1;
}
if (!mAppData->buildID) {
Output(true, "Error: App:BuildID not specified in application.ini\n");
return 1;
}
// XXX Originally ScopedLogging was here? Now it's in XRE_main above
// XRE_mainInit.
if (!mAppData->minVersion) {
Output(true, "Error: Gecko:MinVersion not specified in application.ini\n");
return 1;
}
if (!mAppData->maxVersion) {
// If no maxVersion is specified, we assume the app is only compatible
// with the initial preview release. Do not increment this number ever!
mAppData->maxVersion = "1.*";
}
if (mozilla::Version(mAppData->minVersion) > gToolkitVersion ||
mozilla::Version(mAppData->maxVersion) < gToolkitVersion) {
Output(true,
"Error: Platform version '%s' is not compatible with\n"
"minVersion >= %s\nmaxVersion <= %s\n",
(const char*)gToolkitVersion, (const char*)mAppData->minVersion,
(const char*)mAppData->maxVersion);
return 1;
}
rv = mDirProvider.Initialize(mAppData->directory, mAppData->xreDirectory);
if (NS_FAILED(rv)) return 1;
if (EnvHasValue("MOZ_CRASHREPORTER")) {
mAppData->flags |= NS_XRE_ENABLE_CRASH_REPORTER;
}
nsCOMPtr<nsIFile> xreBinDirectory;
xreBinDirectory = mDirProvider.GetGREBinDir();
if ((mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER) &&
NS_SUCCEEDED(CrashReporter::SetExceptionHandler(xreBinDirectory))) {
nsCOMPtr<nsIFile> file;
rv = nsXREDirProvider::GetUserAppDataDirectory(getter_AddRefs(file));
if (NS_SUCCEEDED(rv)) {
CrashReporter::SetUserAppDataDirectory(file);
}
if (mAppData->crashReporterURL)
CrashReporter::SetServerURL(
nsDependentCString(mAppData->crashReporterURL));
// We overwrite this once we finish starting up.
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::StartupCrash,
true);
// pass some basic info from the app data
if (mAppData->vendor)
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::Vendor,
nsDependentCString(mAppData->vendor));
if (mAppData->name)
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::ProductName,
nsDependentCString(mAppData->name));
if (mAppData->ID)
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::ProductID,
nsDependentCString(mAppData->ID));
if (mAppData->version)
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::Version,
nsDependentCString(mAppData->version));
if (mAppData->buildID)
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::BuildID,
nsDependentCString(mAppData->buildID));
nsDependentCString releaseChannel(NS_STRINGIFY(MOZ_UPDATE_CHANNEL));
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::ReleaseChannel, releaseChannel);
#ifdef MOZ_LINKER
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::CrashAddressLikelyWrong,
IsSignalHandlingBroken());
#endif
#ifdef XP_WIN
nsAutoString appInitDLLs;
if (widget::WinUtils::GetAppInitDLLs(appInitDLLs)) {
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AppInitDLLs,
NS_ConvertUTF16toUTF8(appInitDLLs));
}
#endif
CrashReporter::SetRestartArgs(gArgc, gArgv);
// annotate other data (user id etc)
nsCOMPtr<nsIFile> userAppDataDir;
if (NS_SUCCEEDED(mDirProvider.GetUserAppDataDirectory(
getter_AddRefs(userAppDataDir)))) {
CrashReporter::SetupExtraData(userAppDataDir,
nsDependentCString(mAppData->buildID));
// see if we have a crashreporter-override.ini in the application
// directory
nsCOMPtr<nsIFile> overrideini;
bool exists;
if (NS_SUCCEEDED(
mDirProvider.GetAppDir()->Clone(getter_AddRefs(overrideini))) &&
NS_SUCCEEDED(overrideini->AppendNative(
NS_LITERAL_CSTRING("crashreporter-override.ini"))) &&
NS_SUCCEEDED(overrideini->Exists(&exists)) && exists) {
#ifdef XP_WIN
nsAutoString overridePathW;
overrideini->GetPath(overridePathW);
NS_ConvertUTF16toUTF8 overridePath(overridePathW);
#else
nsAutoCString overridePath;
overrideini->GetNativePath(overridePath);
#endif
SaveWordToEnv("MOZ_CRASHREPORTER_STRINGS_OVERRIDE", overridePath);
}
}
}
#if defined(MOZ_SANDBOX) && defined(XP_WIN)
if (mAppData->sandboxBrokerServices) {
SandboxBroker::Initialize(mAppData->sandboxBrokerServices);
} else {
# if defined(MOZ_CONTENT_SANDBOX)
// If we're sandboxing content and we fail to initialize, then crashing here
// seems like the sensible option.
if (BrowserTabsRemoteAutostart()) {
MOZ_CRASH("Failed to initialize broker services, can't continue.");
}
# endif
// Otherwise just warn for the moment, as most things will work.
NS_WARNING(
"Failed to initialize broker services, sandboxed processes will "
"fail to start.");
}
if (mAppData->sandboxPermissionsService) {
SandboxPermissions::Initialize(mAppData->sandboxPermissionsService,
nullptr);
}
#endif
#ifdef XP_MACOSX
// Set up ability to respond to system (Apple) events. This must occur before
// ProcessUpdates to ensure that links clicked in external applications aren't
// lost when updates are pending.
SetupMacApplicationDelegate();
if (EnvHasValue("MOZ_LAUNCHED_CHILD")) {
// This is needed, on relaunch, to force the OS to use the "Cocoa Dock
// API". Otherwise the call to ReceiveNextEvent() below will make it
// use the "Carbon Dock API". For more info see bmo bug 377166.
EnsureUseCocoaDockAPI();
// When the app relaunches, the original process exits. This causes
// the dock tile to stop bouncing, lose the "running" triangle, and
// if the tile does not permanently reside in the Dock, even disappear.
// This can be confusing to the user, who is expecting the app to launch.
// Calling ReceiveNextEvent without requesting any event is enough to
// cause a dock tile for the child process to appear.
const EventTypeSpec kFakeEventList[] = {{INT_MAX, INT_MAX}};
EventRef event;
::ReceiveNextEvent(GetEventTypeCount(kFakeEventList), kFakeEventList,
kEventDurationNoWait, false, &event);
}
if (CheckArg("foreground")) {
// The original process communicates that it was in the foreground by
// adding this argument. This new process, which is taking over for
// the old one, should make itself the active application.
ProcessSerialNumber psn;
if (::GetCurrentProcess(&psn) == noErr) ::SetFrontProcess(&psn);
}
#endif
SaveToEnv("MOZ_LAUNCHED_CHILD=");
// On Windows, the -os-restarted command line switch lets us know when we are
// restarted via RegisterApplicationRestart. May be used for other OSes later.
if (CheckArg("os-restarted", nullptr, CheckArgFlag::RemoveArg) == ARG_FOUND) {
gRestartedByOS = true;
}
gRestartArgc = gArgc;
gRestartArgv =
(char**)malloc(sizeof(char*) * (gArgc + 1 + (override ? 2 : 0)));
if (!gRestartArgv) {
return 1;
}
int i;
for (i = 0; i < gArgc; ++i) {
gRestartArgv[i] = gArgv[i];
}
// Add the -override argument back (it is removed automatically be CheckArg)
// if there is one
if (override) {
gRestartArgv[gRestartArgc++] = const_cast<char*>("-override");
gRestartArgv[gRestartArgc++] = const_cast<char*>(override);
}
gRestartArgv[gRestartArgc] = nullptr;
Maybe<bool> safeModeRequested = IsSafeModeRequested(gArgc, gArgv);
if (!safeModeRequested) {
return 1;
}
gSafeMode = safeModeRequested.value();
#ifdef XP_WIN
{
// Add CPU microcode version to the crash report as "CPUMicrocodeVersion".
// It feels like this code may belong in nsSystemInfo instead.
int cpuUpdateRevision = -1;
HKEY key;
static const WCHAR keyName[] =
L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0";
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, KEY_QUERY_VALUE, &key) ==
ERROR_SUCCESS) {
DWORD updateRevision[2];
DWORD len = sizeof(updateRevision);
DWORD vtype;
// Windows 7 uses "Update Signature", 8 uses "Update Revision".
// For AMD CPUs, "CurrentPatchLevel" is sometimes used.
// Take the first one we find.
LPCWSTR choices[] = {L"Update Signature", L"Update Revision",
L"CurrentPatchLevel"};
for (size_t oneChoice = 0; oneChoice < ArrayLength(choices);
oneChoice++) {
if (RegQueryValueExW(key, choices[oneChoice], 0, &vtype,
reinterpret_cast<LPBYTE>(updateRevision),
&len) == ERROR_SUCCESS) {
if (vtype == REG_BINARY && len == sizeof(updateRevision)) {
// The first word is unused
cpuUpdateRevision = static_cast<int>(updateRevision[1]);
break;
} else if (vtype == REG_DWORD && len == sizeof(updateRevision[0])) {
cpuUpdateRevision = static_cast<int>(updateRevision[0]);
break;
}
}
}
}
if (cpuUpdateRevision > 0) {
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::CPUMicrocodeVersion,
nsPrintfCString("0x%x", cpuUpdateRevision));
}
}
#endif
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::SafeMode,
gSafeMode);
#if defined(MOZ_HAS_REMOTE)
// Handle --no-remote and --new-instance command line arguments. Setup
// the environment to better accommodate other components and various
// restart scenarios.
ar = CheckArg("no-remote", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --no-remote is invalid when argument --osint "
"is specified\n");
return 1;
}
if (ar == ARG_FOUND) {
SaveToEnv("MOZ_NO_REMOTE=1");
mDisableRemote = true;
} else if (EnvHasValue("MOZ_NO_REMOTE")) {
mDisableRemote = true;
}
ar = CheckArg("new-instance", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --new-instance is invalid when argument "
"--osint is specified\n");
return 1;
}
if (ar == ARG_FOUND || EnvHasValue("MOZ_NEW_INSTANCE")) {
mDisableRemote = true;
}
#else
// These arguments do nothing in platforms with no remoting support but we
// should remove them from the command line anyway.
CheckArg("no-remote");
CheckArg("new-instance");
#endif
ar = CheckArg("offline", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --offline is invalid when argument --osint is "
"specified\n");
return 1;
}
if (ar || EnvHasValue("XRE_START_OFFLINE")) {
mStartOffline = true;
}
// Handle --help and --version command line arguments.
// They should return quickly, so we deal with them here.
if (CheckArg("h") || CheckArg("help") || CheckArg("?")) {
DumpHelp();
*aExitFlag = true;
return 0;
}
if (CheckArg("v") || CheckArg("version")) {
DumpVersion();
*aExitFlag = true;
return 0;
}
rv = XRE_InitCommandLine(gArgc, gArgv);
NS_ENSURE_SUCCESS(rv, 1);
// Check for --register, which registers chrome and then exits immediately.
ar = CheckArg("register", nullptr,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --register is invalid when argument --osint is "
"specified\n");
return 1;
}
if (ar == ARG_FOUND) {
ScopedXPCOMStartup xpcom;
rv = xpcom.Initialize();
NS_ENSURE_SUCCESS(rv, 1);
{
nsCOMPtr<nsIChromeRegistry> chromeReg =
mozilla::services::GetChromeRegistryService();
NS_ENSURE_TRUE(chromeReg, 1);
chromeReg->CheckForNewChrome();
}
*aExitFlag = true;
return 0;
}
return 0;
}
#ifdef XP_WIN
static bool QueryOneWMIProperty(IWbemServices* aServices,
const wchar_t* aWMIClass,
const wchar_t* aProperty, VARIANT* aResult) {
RefPtr<IEnumWbemClassObject> enumerator;
_bstr_t query(L"SELECT * FROM ");
query += _bstr_t(aWMIClass);
HRESULT hr = aServices->ExecQuery(
_bstr_t(L"WQL"), query,
WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, nullptr,
getter_AddRefs(enumerator));
if (FAILED(hr) || !enumerator) {
return false;
}
RefPtr<IWbemClassObject> classObject;
ULONG results;
hr =
enumerator->Next(WBEM_INFINITE, 1, getter_AddRefs(classObject), &results);
if (FAILED(hr) || results == 0) {
return false;
}
hr = classObject->Get(aProperty, 0, aResult, 0, 0);
return SUCCEEDED(hr);
}
/**
* Uses WMI to read some information that may be useful for diagnosing
* crashes. This function is best-effort; failures shouldn't burden the
* caller. COM must be initialized before calling.
*/
static const char kMemoryErrorCorrectionValues[][15] = {
"Reserved", // 0
"Other", // 1
"Unknown", // 2
"None", // 3
"Parity", // 4
"Single-bit ECC", // 5
"Multi-bit ECC", // 6
"CRC" // 7
};
static void AnnotateWMIData() {
RefPtr<IWbemLocator> locator;
HRESULT hr =
CoCreateInstance(CLSID_WbemLocator, nullptr, CLSCTX_INPROC_SERVER,
IID_IWbemLocator, getter_AddRefs(locator));
if (FAILED(hr)) {
return;
}
RefPtr<IWbemServices> services;
hr =
locator->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), nullptr, nullptr, nullptr,
0, nullptr, nullptr, getter_AddRefs(services));
if (FAILED(hr)) {
return;
}
hr = CoSetProxyBlanket(services, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, nullptr,
RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE,
nullptr, EOAC_NONE);
if (FAILED(hr)) {
return;
}
VARIANT value;
VariantInit(&value);
// Annotate information about the system manufacturer.
if (QueryOneWMIProperty(services, L"Win32_BIOS", L"Manufacturer", &value) &&
V_VT(&value) == VT_BSTR) {
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::BIOS_Manufacturer,
NS_ConvertUTF16toUTF8(V_BSTR(&value)));
}
VariantClear(&value);
// Annotate information about type of memory error correction.
if (QueryOneWMIProperty(services, L"Win32_PhysicalMemoryArray",
L"MemoryErrorCorrection", &value) &&
V_VT(&value) == VT_I4) {
long valueInt = V_I4(&value);
nsCString valueString;
if (valueInt < 0 ||
valueInt >= long(ArrayLength(kMemoryErrorCorrectionValues))) {
valueString.AssignLiteral("Unexpected value");
} else {
valueString.AssignASCII(kMemoryErrorCorrectionValues[valueInt]);
}
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::MemoryErrorCorrection, valueString);
}
VariantClear(&value);
}
static void PR_CALLBACK AnnotateWMIData_ThreadStart(void*) {
HRESULT hr = CoInitialize(nullptr);
if (FAILED(hr)) {
return;
}
AnnotateWMIData();
CoUninitialize();
}
#endif // XP_WIN
#if defined(XP_LINUX) && !defined(ANDROID)
static void AnnotateLSBRelease(void*) {
nsCString dist, desc, release, codename;
if (widget::lsb::GetLSBRelease(dist, desc, release, codename)) {
CrashReporter::AppendAppNotesToCrashReport(desc);
}
}
#endif // defined(XP_LINUX) && !defined(ANDROID)
#ifdef XP_WIN
static void ReadAheadDll(const wchar_t* dllName) {
wchar_t dllPath[MAX_PATH];
if (ConstructSystem32Path(dllName, dllPath, MAX_PATH)) {
ReadAheadLib(dllPath);
}
}
static void PR_CALLBACK ReadAheadDlls_ThreadStart(void*) {
// Load DataExchange.dll and twinapi.appcore.dll for nsWindow::EnableDragDrop
ReadAheadDll(L"DataExchange.dll");
ReadAheadDll(L"twinapi.appcore.dll");
// Load twinapi.dll for WindowsUIUtils::UpdateTabletModeState
ReadAheadDll(L"twinapi.dll");
// Load explorerframe.dll for WinTaskbar::Initialize
ReadAheadDll(L"ExplorerFrame.dll");
}
#endif
namespace mozilla {
ShutdownChecksMode gShutdownChecks = SCM_NOTHING;
} // namespace mozilla
static void SetShutdownChecks() {
// Set default first. On debug builds we crash. On nightly and local
// builds we record. Nightlies will then send the info via telemetry,
// but it is usefull to have the data in about:telemetry in local builds
// too.
#ifdef DEBUG
# if defined(MOZ_CODE_COVERAGE)
gShutdownChecks = SCM_NOTHING;
# else
gShutdownChecks = SCM_CRASH;
# endif // MOZ_CODE_COVERAGE
#else
const char* releaseChannel = NS_STRINGIFY(MOZ_UPDATE_CHANNEL);
if (strcmp(releaseChannel, "nightly") == 0 ||
strcmp(releaseChannel, "default") == 0) {
gShutdownChecks = SCM_RECORD;
} else {
gShutdownChecks = SCM_NOTHING;
}
#endif // DEBUG
// We let an environment variable override the default so that addons
// authors can use it for debugging shutdown with released firefox versions.
const char* mozShutdownChecksEnv = PR_GetEnv("MOZ_SHUTDOWN_CHECKS");
if (mozShutdownChecksEnv) {
if (strcmp(mozShutdownChecksEnv, "crash") == 0) {
gShutdownChecks = SCM_CRASH;
} else if (strcmp(mozShutdownChecksEnv, "record") == 0) {
gShutdownChecks = SCM_RECORD;
} else if (strcmp(mozShutdownChecksEnv, "nothing") == 0) {
gShutdownChecks = SCM_NOTHING;
}
}
}
namespace mozilla {
namespace startup {
Result<nsCOMPtr<nsIFile>, nsresult> GetIncompleteStartupFile(nsIFile* aProfLD) {
nsCOMPtr<nsIFile> crashFile;
MOZ_TRY(aProfLD->Clone(getter_AddRefs(crashFile)));
MOZ_TRY(crashFile->Append(FILE_STARTUP_INCOMPLETE));
return std::move(crashFile);
}
} // namespace startup
} // namespace mozilla
// Check whether the last startup attempt resulted in a crash within the
// last 6 hours.
// Note that this duplicates the logic in nsAppStartup::TrackStartupCrashBegin,
// which runs too late for our purposes.
Result<bool, nsresult> XREMain::CheckLastStartupWasCrash() {
constexpr int32_t MAX_TIME_SINCE_STARTUP = 6 * 60 * 60 * 1000;
nsCOMPtr<nsIFile> crashFile;
MOZ_TRY_VAR(crashFile, GetIncompleteStartupFile(mProfLD));
// Attempt to create the incomplete startup canary file. If the file already
// exists, this fails, and we know the last startup was a success. If it
// doesn't already exist, it is created, and will be removed at the end of
// the startup crash detection window.
AutoFDClose fd;
Unused << crashFile->OpenNSPRFileDesc(PR_WRONLY | PR_CREATE_FILE | PR_EXCL,
0666, &fd.rwget());
if (fd) {
return false;
}
PRTime lastModifiedTime;
MOZ_TRY(crashFile->GetLastModifiedTime(&lastModifiedTime));
// If the file exists, and was created within the appropriate time window,
// the last startup was recent and resulted in a crash.
PRTime now = PR_Now() / PR_USEC_PER_MSEC;
return now - lastModifiedTime <= MAX_TIME_SINCE_STARTUP;
}
/*
* XRE_mainStartup - Initializes the profile and various other services.
* Main() will exit early if either return value != 0 or if aExitFlag is
* true.
*/
int XREMain::XRE_mainStartup(bool* aExitFlag) {
nsresult rv;
if (!aExitFlag) return 1;
*aExitFlag = false;
SetShutdownChecks();
// Enable Telemetry IO Reporting on DEBUG, nightly and local builds,
// but disable it on FUZZING builds.
#ifndef FUZZING
# ifdef DEBUG
mozilla::Telemetry::InitIOReporting(gAppData->xreDirectory);
# else
{
const char* releaseChannel = NS_STRINGIFY(MOZ_UPDATE_CHANNEL);
if (strcmp(releaseChannel, "nightly") == 0 ||
strcmp(releaseChannel, "default") == 0) {
mozilla::Telemetry::InitIOReporting(gAppData->xreDirectory);
}
}
# endif /* DEBUG */
#endif /* FUZZING */
#if defined(XP_WIN)
// Enable the HeapEnableTerminationOnCorruption exploit mitigation. We ignore
// the return code because it always returns success, although it has no
// effect on Windows older than XP SP3.
HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
#endif /* XP_WIN */
#if defined(MOZ_WIDGET_GTK)
// Stash DESKTOP_STARTUP_ID in malloc'ed memory because gtk_init will clear
// it.
# define HAVE_DESKTOP_STARTUP_ID
const char* desktopStartupIDEnv = PR_GetEnv("DESKTOP_STARTUP_ID");
if (desktopStartupIDEnv) {
mDesktopStartupID.Assign(desktopStartupIDEnv);
}
#endif
#if defined(MOZ_WIDGET_GTK)
// setup for private colormap. Ideally we'd like to do this
// in nsAppShell::Create, but we need to get in before gtk
// has been initialized to make sure everything is running
// consistently.
// Set program name to the one defined in application.ini.
{
nsAutoCString program(gAppData->name);
ToLowerCase(program);
g_set_prgname(program.get());
}
// Initialize GTK here for splash.
# if defined(MOZ_WIDGET_GTK) && defined(MOZ_X11)
// Disable XInput2 multidevice support due to focus bugginess.
// See bugs 1182700, 1170342.
// gdk_disable_multidevice() affects Gdk X11 backend only,
// the multidevice support is always enabled on Wayland backend.
const char* useXI2 = PR_GetEnv("MOZ_USE_XINPUT2");
if (!useXI2 || (*useXI2 == '0')) gdk_disable_multidevice();
# endif
// Open the display ourselves instead of using gtk_init, so that we can
// close it without fear that one day gtk might clean up the display it
// opens.
if (!gtk_parse_args(&gArgc, &gArgv)) return 1;
#endif /* MOZ_WIDGET_GTK */
#ifdef FUZZING
if (PR_GetEnv("FUZZER")) {
*aExitFlag = true;
return mozilla::fuzzerRunner->Run(&gArgc, &gArgv);
}
#endif
if (PR_GetEnv("MOZ_RUN_GTEST")) {
int result;
#ifdef XP_WIN
UseParentConsole();
#endif
// RunGTest will only be set if we're in xul-unit
if (mozilla::RunGTest) {
gIsGtest = true;
result = mozilla::RunGTest(&gArgc, gArgv);
gIsGtest = false;
} else {
result = 1;
printf("TEST-UNEXPECTED-FAIL | gtest | Not compiled with enable-tests\n");
}
*aExitFlag = true;
return result;
}
#ifdef MOZ_HAS_REMOTE
if (gfxPlatform::IsHeadless()) {
mDisableRemote = true;
}
#endif
#ifdef MOZ_X11
// Init X11 in thread-safe mode. Must be called prior to the first call to
// XOpenDisplay (called inside gdk_display_open). This is a requirement for
// off main tread compositing.
if (!gfxPlatform::IsHeadless()) {
XInitThreads();
}
#endif
#if defined(MOZ_WIDGET_GTK)
if (!gfxPlatform::IsHeadless()) {
const char* display_name = nullptr;
bool saveDisplayArg = false;
// display_name is owned by gdk.
display_name = gdk_get_display_arg_name();
// if --display argument is given make sure it's
// also passed to ContentChild::Init() by MOZ_GDK_DISPLAY.
if (display_name) {
SaveWordToEnv("MOZ_GDK_DISPLAY", nsDependentCString(display_name));
saveDisplayArg = true;
}
bool disableWayland = true;
# if defined(MOZ_WAYLAND)
// Enable Wayland on Gtk+ >= 3.22 where we can expect recent enough
// compositor & libwayland interface.
disableWayland = (gtk_check_version(3, 22, 0) != nullptr);
if (!disableWayland) {
// Make X11 backend the default one unless MOZ_ENABLE_WAYLAND or
// GDK_BACKEND are specified.
disableWayland = (PR_GetEnv("GDK_BACKEND") == nullptr) &&
(PR_GetEnv("MOZ_ENABLE_WAYLAND") == nullptr);
}
# endif
// On Wayland disabled builds read X11 DISPLAY env exclusively
// and don't care about different displays.
if (disableWayland && !display_name) {
display_name = PR_GetEnv("DISPLAY");
if (!display_name) {
PR_fprintf(PR_STDERR,
"Error: no DISPLAY environment variable specified\n");
return 1;
}
}
if (display_name) {
mGdkDisplay = gdk_display_open(display_name);
if (!mGdkDisplay) {
PR_fprintf(PR_STDERR, "Error: cannot open display: %s\n", display_name);
return 1;
}
gdk_display_manager_set_default_display(gdk_display_manager_get(),
mGdkDisplay);
if (saveDisplayArg) {
if (GDK_IS_X11_DISPLAY(mGdkDisplay)) {
SaveWordToEnv("DISPLAY", nsDependentCString(display_name));
}
# ifdef MOZ_WAYLAND
else if (!GDK_IS_X11_DISPLAY(mGdkDisplay)) {
SaveWordToEnv("WAYLAND_DISPLAY", nsDependentCString(display_name));
}
# endif
}
}
# ifdef MOZ_WIDGET_GTK
else {
mGdkDisplay =
gdk_display_manager_open_display(gdk_display_manager_get(), nullptr);
}
# endif
}
#endif
#if defined(MOZ_HAS_REMOTE)
// handle --remote now that xpcom is fired up
if (!mDisableRemote) {
mRemoteService = new nsRemoteService(gAppData->remotingName);
if (mRemoteService) {
mRemoteService->LockStartup();
}
}
#endif
#if defined(MOZ_WIDGET_GTK)
g_set_application_name(mAppData->name);
gtk_window_set_auto_startup_notification(false);
#endif /* defined(MOZ_WIDGET_GTK) */
#ifdef MOZ_X11
// Do this after initializing GDK, or GDK will install its own handler.
XRE_InstallX11ErrorHandler();
#endif
// Call the code to install our handler
#ifdef MOZ_JPROF
setupProfilingStuff();
#endif
rv = NS_CreateNativeAppSupport(getter_AddRefs(mNativeApp));
if (NS_FAILED(rv)) return 1;
bool canRun = false;
rv = mNativeApp->Start(&canRun);
if (NS_FAILED(rv) || !canRun) {
return 1;
}
#if defined(HAVE_DESKTOP_STARTUP_ID) && defined(MOZ_WIDGET_GTK)
// DESKTOP_STARTUP_ID is cleared now,
// we recover it in case we need a restart.
if (!mDesktopStartupID.IsEmpty()) {
nsAutoCString desktopStartupEnv;
desktopStartupEnv.AssignLiteral("DESKTOP_STARTUP_ID=");
desktopStartupEnv.Append(mDesktopStartupID);
// Leak it with extreme prejudice!
PR_SetEnv(ToNewCString(desktopStartupEnv));
}
#endif
// Support exiting early for testing startup sequence. Bug 1360493
if (CheckArg("test-launch-without-hang")) {
*aExitFlag = true;
return 0;
}
#if defined(MOZ_UPDATER) && !defined(MOZ_WIDGET_ANDROID)
// Check for and process any available updates
nsCOMPtr<nsIFile> updRoot;
bool persistent;
rv = mDirProvider.GetFile(XRE_UPDATE_ROOT_DIR, &persistent,
getter_AddRefs(updRoot));
// XRE_UPDATE_ROOT_DIR may fail. Fallback to appDir if failed
if (NS_FAILED(rv)) updRoot = mDirProvider.GetAppDir();
// If the MOZ_TEST_PROCESS_UPDATES environment variable already exists, then
// we are being called from the callback application.
if (EnvHasValue("MOZ_TEST_PROCESS_UPDATES")) {
// If the caller has asked us to log our arguments, do so. This is used
// to make sure that the maintenance service successfully launches the
// callback application.
const char* logFile = nullptr;
if (ARG_FOUND == CheckArg("dump-args", &logFile)) {
FILE* logFP = fopen(logFile, "wb");
if (logFP) {
for (int i = 1; i < gRestartArgc; ++i) {
fprintf(logFP, "%s\n", gRestartArgv[i]);
}
fclose(logFP);
}
}
*aExitFlag = true;
return 0;
}
// Support for processing an update and exiting. The MOZ_TEST_PROCESS_UPDATES
// environment variable will be part of the updater's environment and the
// application that is relaunched by the updater. When the application is
// relaunched by the updater it will be removed below and the application
// will exit.
if (CheckArg("test-process-updates")) {
SaveToEnv("MOZ_TEST_PROCESS_UPDATES=1");
}
nsCOMPtr<nsIFile> exeFile, exeDir;
rv = mDirProvider.GetFile(XRE_EXECUTABLE_FILE, &persistent,
getter_AddRefs(exeFile));
NS_ENSURE_SUCCESS(rv, 1);
rv = exeFile->GetParent(getter_AddRefs(exeDir));
NS_ENSURE_SUCCESS(rv, 1);
ProcessUpdates(mDirProvider.GetGREDir(), exeDir, updRoot, gRestartArgc,
gRestartArgv, mAppData->version);
if (EnvHasValue("MOZ_TEST_PROCESS_UPDATES")) {
SaveToEnv("MOZ_TEST_PROCESS_UPDATES=");
*aExitFlag = true;
return 0;
}
#endif
rv = NS_NewToolkitProfileService(getter_AddRefs(mProfileSvc));
if (rv == NS_ERROR_FILE_ACCESS_DENIED) {
PR_fprintf(PR_STDERR,
"Error: Access was denied while trying to open files in "
"your profile directory.\n");
}
if (NS_FAILED(rv)) {
// We failed to choose or create profile - notify user and quit
ProfileMissingDialog(mNativeApp);
return 1;
}
nsCOMPtr<nsIToolkitProfile> profile;
rv = SelectProfile(mProfileSvc, mNativeApp, getter_AddRefs(mProfD),
getter_AddRefs(mProfLD), getter_AddRefs(profile));
if (rv == NS_ERROR_LAUNCHED_CHILD_PROCESS || rv == NS_ERROR_ABORT) {
*aExitFlag = true;
return 0;
}
if (NS_FAILED(rv)) {
// We failed to choose or create profile - notify user and quit
ProfileMissingDialog(mNativeApp);
return 1;
}
#if defined(MOZ_HAS_REMOTE)
if (mRemoteService) {
// We want a unique profile name to identify the remote instance.
nsCString profileName;
if (profile) {
rv = profile->GetName(profileName);
}
if (!profile || NS_FAILED(rv) || profileName.IsEmpty()) {
// Couldn't get a name from the profile. Use the directory name?
nsString leafName;
rv = mProfD->GetLeafName(leafName);
if (NS_SUCCEEDED(rv)) {
profileName = NS_ConvertUTF16toUTF8(leafName);
}
}
mRemoteService->SetProfile(profileName);
// Try to remote the entire command line. If this fails, start up
// normally.
const char* desktopStartupIDPtr =
mDesktopStartupID.IsEmpty() ? nullptr : mDesktopStartupID.get();
RemoteResult rr = mRemoteService->StartClient(desktopStartupIDPtr);
if (rr == REMOTE_FOUND) {
*aExitFlag = true;
return 0;
}
if (rr == REMOTE_ARG_BAD) {
return 1;
}
}
#endif
// We always want to lock the profile even if we're actually going to reset
// it later.
rv = LockProfile(mNativeApp, mProfD, mProfLD, profile,
getter_AddRefs(mProfileLock));
if (rv == NS_ERROR_LAUNCHED_CHILD_PROCESS || rv == NS_ERROR_ABORT) {
*aExitFlag = true;
return 0;
} else if (NS_FAILED(rv)) {
return 1;
}
if (gDoProfileReset) {
// Unlock the source profile.
mProfileLock->Unlock();
// If we're resetting a profile, create a new one and use it to startup.
gResetOldProfile = profile;
rv = mProfileSvc->CreateResetProfile(getter_AddRefs(profile));
if (NS_SUCCEEDED(rv)) {
rv = profile->GetRootDir(getter_AddRefs(mProfD));
NS_ENSURE_SUCCESS(rv, 1);
SaveFileToEnv("XRE_PROFILE_PATH", mProfD);
rv = profile->GetLocalDir(getter_AddRefs(mProfLD));
NS_ENSURE_SUCCESS(rv, 1);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", mProfLD);
// Lock the new profile
rv = LockProfile(mNativeApp, mProfD, mProfLD, profile,
getter_AddRefs(mProfileLock));
if (rv == NS_ERROR_LAUNCHED_CHILD_PROCESS || rv == NS_ERROR_ABORT) {
*aExitFlag = true;
return 0;
} else if (NS_FAILED(rv)) {
return 1;
}
} else {
NS_WARNING("Profile reset failed.");
return 1;
}
}
gProfileLock = mProfileLock;
nsAutoCString version;
BuildVersion(version);
#ifdef TARGET_OS_ABI
NS_NAMED_LITERAL_CSTRING(osABI, TARGET_OS_ABI);
#else
// No TARGET_XPCOM_ABI, but at least the OS is known
NS_NAMED_LITERAL_CSTRING(osABI, OS_TARGET "_UNKNOWN");
#endif
// Check for version compatibility with the last version of the app this
// profile was started with. The format of the version stamp is defined
// by the BuildVersion function.
// Also check to see if something has happened to invalidate our
// fastload caches, like an extension upgrade or installation.
// If we see .purgecaches, that means someone did a make.
// Re-register components to catch potential changes.
nsCOMPtr<nsIFile> flagFile;
if (mAppData->directory) {
Unused << mAppData->directory->Clone(getter_AddRefs(flagFile));
}
if (flagFile) {
flagFile->AppendNative(FILE_INVALIDATE_CACHES);
}
bool cachesOK;
bool isDowngrade;
nsCString lastVersion;
bool versionOK = CheckCompatibility(
mProfD, version, osABI, mDirProvider.GetGREDir(), mAppData->directory,
flagFile, &cachesOK, &isDowngrade, lastVersion);
#ifdef MOZ_BLOCK_PROFILE_DOWNGRADE
// The argument check must come first so the argument is always removed from
// the command line regardless of whether this is a downgrade or not.
if (!CheckArg("allow-downgrade") && isDowngrade &&
!EnvHasValue("MOZ_ALLOW_DOWNGRADE")) {
rv = CheckDowngrade(mProfD, mNativeApp, mProfileSvc, lastVersion);
if (rv == NS_ERROR_LAUNCHED_CHILD_PROCESS || rv == NS_ERROR_ABORT) {
*aExitFlag = true;
return 0;
}
}
#endif
rv = mDirProvider.SetProfile(mProfD, mProfLD);
NS_ENSURE_SUCCESS(rv, 1);
//////////////////////// NOW WE HAVE A PROFILE ////////////////////////
mozilla::Telemetry::SetProfileDir(mProfD);
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER) {
MakeOrSetMinidumpPath(mProfD);
}
CrashReporter::SetProfileDirectory(mProfD);
#ifdef MOZ_ASAN_REPORTER
// In ASan reporter builds, we need to set ASan's log_path as early as
// possible, so it dumps its errors into files there instead of using
// the default stderr location. Since this is crucial for ASan reporter
// to work at all (and we don't want people to use a non-functional
// ASan reporter build), all failures while setting log_path are fatal.
setASanReporterPath(mProfD);
// Export to env for child processes
SaveFileToEnv("ASAN_REPORTER_PATH", mProfD);
#endif
bool lastStartupWasCrash = CheckLastStartupWasCrash().unwrapOr(false);
if (CheckArg("purgecaches") || PR_GetEnv("MOZ_PURGE_CACHES") ||
lastStartupWasCrash) {
cachesOK = false;
}
// Every time a profile is loaded by a build with a different version,
// it updates the compatibility.ini file saying what version last wrote
// the fastload caches. On subsequent launches if the version matches,
// there is no need for re-registration. If the user loads the same
// profile in different builds the component registry must be
// re-generated to prevent mysterious component loading failures.
//
bool startupCacheValid = true;
if (gSafeMode) {
startupCacheValid = RemoveComponentRegistries(mProfD, mProfLD, false);
WriteVersion(mProfD, NS_LITERAL_CSTRING("Safe Mode"), osABI,
mDirProvider.GetGREDir(), mAppData->directory,
!startupCacheValid);
} else if (versionOK) {
if (!cachesOK) {
// Remove caches, forcing component re-registration.
// The new list of additional components directories is derived from
// information in "extensions.ini".
startupCacheValid = RemoveComponentRegistries(mProfD, mProfLD, false);
// Rewrite compatibility.ini to remove the flag
WriteVersion(mProfD, version, osABI, mDirProvider.GetGREDir(),
mAppData->directory, !startupCacheValid);
}
// Nothing need be done for the normal startup case.
} else {
// Remove caches, forcing component re-registration
// with the default set of components (this disables any potentially
// troublesome incompatible XPCOM components).
startupCacheValid = RemoveComponentRegistries(mProfD, mProfLD, true);
// Write out version
WriteVersion(mProfD, version, osABI, mDirProvider.GetGREDir(),
mAppData->directory, !startupCacheValid);
}
if (!startupCacheValid) StartupCache::IgnoreDiskCache();
if (flagFile) {
flagFile->Remove(true);
}
return 0;
}
#if defined(MOZ_CONTENT_SANDBOX)
void AddSandboxAnnotations() {
// Include the sandbox content level, regardless of platform
int level = GetEffectiveContentSandboxLevel();
nsAutoCString levelString;
levelString.AppendInt(level);
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::ContentSandboxLevel, levelString);
// Include whether or not this instance is capable of content sandboxing
bool sandboxCapable = false;
# if defined(XP_WIN)
// All supported Windows versions support some level of content sandboxing
sandboxCapable = true;
# elif defined(XP_MACOSX)
// All supported OS X versions are capable
sandboxCapable = true;
# elif defined(XP_LINUX)
sandboxCapable = SandboxInfo::Get().CanSandboxContent();
# elif defined(__OpenBSD__)
sandboxCapable = true;
StartOpenBSDSandbox(GeckoProcessType_Default);
# endif
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::ContentSandboxCapable, sandboxCapable);
}
#endif /* MOZ_CONTENT_SANDBOX */
/*
* XRE_mainRun - Command line startup, profile migration, and
* the calling of appStartup->Run().
*/
nsresult XREMain::XRE_mainRun() {
nsresult rv = NS_OK;
NS_ASSERTION(mScopedXPCOM, "Scoped xpcom not initialized.");
#if defined(XP_WIN)
RefPtr<mozilla::DllServices> dllServices(mozilla::DllServices::Get());
auto dllServicesDisable =
MakeScopeExit([&dllServices]() { dllServices->DisableFull(); });
#endif // defined(XP_WIN)
#ifdef NS_FUNCTION_TIMER
// initialize some common services, so we don't pay the cost for these at odd
// times later on; SetWindowCreator -> ChromeRegistry -> IOService ->
// SocketTransportService -> (nspr wspm init), Prefs
{
nsCOMPtr<nsISupports> comp;
comp = do_GetService("@mozilla.org/preferences-service;1");
comp = do_GetService("@mozilla.org/network/socket-transport-service;1");
comp = do_GetService("@mozilla.org/network/dns-service;1");
comp = do_GetService("@mozilla.org/network/io-service;1");
comp = do_GetService("@mozilla.org/chrome/chrome-registry;1");
comp = do_GetService("@mozilla.org/focus-event-suppressor-service;1");
}
#endif
rv = mScopedXPCOM->SetWindowCreator(mNativeApp);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
// tell the crash reporter to also send the release channel
nsCOMPtr<nsIPrefService> prefs =
do_GetService("@mozilla.org/preferences-service;1", &rv);
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIPrefBranch> defaultPrefBranch;
rv = prefs->GetDefaultBranch(nullptr, getter_AddRefs(defaultPrefBranch));
if (NS_SUCCEEDED(rv)) {
nsAutoCString sval;
rv = defaultPrefBranch->GetCharPref("app.update.channel", sval);
if (NS_SUCCEEDED(rv)) {
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::ReleaseChannel, sval);
}
}
}
// Needs to be set after xpcom initialization.
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::FramePoisonBase,
nsPrintfCString("%.16" PRIu64, uint64_t(gMozillaPoisonBase)));
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::FramePoisonSize,
uint32_t(gMozillaPoisonSize));
bool includeContextHeap =
Preferences::GetBool("toolkit.crashreporter.include_context_heap", false);
CrashReporter::SetIncludeContextHeap(includeContextHeap);
#ifdef XP_WIN
PR_CreateThread(PR_USER_THREAD, AnnotateWMIData_ThreadStart, 0,
PR_PRIORITY_LOW, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);
#endif
#if defined(XP_LINUX) && !defined(ANDROID)
PR_CreateThread(PR_USER_THREAD, AnnotateLSBRelease, 0, PR_PRIORITY_LOW,
PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);
#endif
if (mStartOffline) {
nsCOMPtr<nsIIOService> io(
do_GetService("@mozilla.org/network/io-service;1"));
NS_ENSURE_TRUE(io, NS_ERROR_FAILURE);
io->SetManageOfflineStatus(false);
io->SetOffline(true);
}
#ifdef XP_WIN
if (!PR_GetEnv("XRE_NO_DLL_READAHEAD")) {
PR_CreateThread(PR_USER_THREAD, ReadAheadDlls_ThreadStart, 0,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD,
0);
}
#endif
if (gDoMigration) {
nsCOMPtr<nsIFile> file;
mDirProvider.GetAppDir()->Clone(getter_AddRefs(file));
file->AppendNative(NS_LITERAL_CSTRING("override.ini"));
nsINIParser parser;
nsresult rv = parser.Init(file);
// if override.ini doesn't exist, also check for distribution.ini
if (NS_FAILED(rv)) {
bool persistent;
mDirProvider.GetFile(XRE_APP_DISTRIBUTION_DIR, &persistent,
getter_AddRefs(file));
file->AppendNative(NS_LITERAL_CSTRING("distribution.ini"));
rv = parser.Init(file);
}
if (NS_SUCCEEDED(rv)) {
nsAutoCString buf;
rv = parser.GetString("XRE", "EnableProfileMigrator", buf);
if (NS_SUCCEEDED(rv)) {
if (buf[0] == '0' || buf[0] == 'f' || buf[0] == 'F') {
gDoMigration = false;
}
}
}
}
{
// Profile Migration
if (mAppData->flags & NS_XRE_ENABLE_PROFILE_MIGRATOR && gDoMigration) {
gDoMigration = false;
nsCOMPtr<nsIProfileMigrator> pm(
do_CreateInstance(NS_PROFILEMIGRATOR_CONTRACTID));
if (pm) {
nsAutoCString aKey;
nsAutoCString aName;
if (gDoProfileReset) {
// Automatically migrate from the current application if we just
// reset the profile.
aKey = MOZ_APP_NAME;
gResetOldProfile->GetName(aName);
}
pm->Migrate(&mDirProvider, aKey, aName);
}
}
if (gDoProfileReset) {
nsresult backupCreated =
ProfileResetCleanup(mProfileSvc, gResetOldProfile);
if (NS_FAILED(backupCreated))
NS_WARNING("Could not cleanup the profile that was reset");
}
}
#ifndef XP_WIN
nsCOMPtr<nsIFile> profileDir;
nsAutoCString path;
rv = mDirProvider.GetProfileStartupDir(getter_AddRefs(profileDir));
if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(profileDir->GetNativePath(path)) &&
!IsUTF8(path)) {
PR_fprintf(
PR_STDERR,
"Error: The profile path is not valid UTF-8. Unable to continue.\n");
return NS_ERROR_FAILURE;
}
#endif
// Initialize user preferences before notifying startup observers so they're
// ready in time for early consumers, such as the component loader.
mDirProvider.InitializeUserPrefs();
nsAppStartupNotifier::NotifyObservers(APPSTARTUP_TOPIC);
nsCOMPtr<nsIAppStartup> appStartup(components::AppStartup::Service());
NS_ENSURE_TRUE(appStartup, NS_ERROR_FAILURE);
mDirProvider.DoStartup();
// As FilePreferences need the profile directory, we must initialize right
// here.
mozilla::FilePreferences::InitDirectoriesWhitelist();
mozilla::FilePreferences::InitPrefs();
OverrideDefaultLocaleIfNeeded();
nsCString userAgentLocale;
LocaleService::GetInstance()->GetAppLocaleAsLangTag(userAgentLocale);
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::useragent_locale, userAgentLocale);
appStartup->GetShuttingDown(&mShuttingDown);
nsCOMPtr<nsICommandLineRunner> cmdLine;
nsCOMPtr<nsIFile> workingDir;
rv = NS_GetSpecialDirectory(NS_OS_CURRENT_WORKING_DIR,
getter_AddRefs(workingDir));
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
if (!mShuttingDown) {
cmdLine = new nsCommandLine();
rv = cmdLine->Init(gArgc, gArgv, workingDir,
nsICommandLine::STATE_INITIAL_LAUNCH);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
/* Special-case services that need early access to the command
line. */
nsCOMPtr<nsIObserverService> obsService =
mozilla::services::GetObserverService();
if (obsService) {
obsService->NotifyObservers(cmdLine, "command-line-startup", nullptr);
}
}
#ifdef XP_WIN
// Hack to sync up the various environment storages. XUL_APP_FILE is special
// in that it comes from a different CRT (firefox.exe's static-linked copy).
// Ugly details in http://bugzil.la/1175039#c27
char appFile[MAX_PATH];
if (GetEnvironmentVariableA("XUL_APP_FILE", appFile, sizeof(appFile))) {
SmprintfPointer saved = mozilla::Smprintf("XUL_APP_FILE=%s", appFile);
// We intentionally leak the string here since it is required by PR_SetEnv.
PR_SetEnv(saved.release());
}
#endif
SaveStateForAppInitiatedRestart();
// clear out any environment variables which may have been set
// during the relaunch process now that we know we won't be relaunching.
SaveToEnv("XRE_PROFILE_PATH=");
SaveToEnv("XRE_PROFILE_LOCAL_PATH=");
SaveToEnv("XRE_START_OFFLINE=");
SaveToEnv("XUL_APP_FILE=");
SaveToEnv("XRE_BINARY_PATH=");
SaveToEnv("XRE_RESTARTED_BY_PROFILE_MANAGER=");
if (!mShuttingDown) {
#ifdef XP_MACOSX
bool lazyHiddenWindow = false;
#else
bool lazyHiddenWindow =
Preferences::GetBool("toolkit.lazyHiddenWindow", false);
#endif
if (!lazyHiddenWindow) {
rv = appStartup->CreateHiddenWindow();
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
}
#ifdef XP_WIN
Preferences::RegisterCallbackAndCall(RegisterApplicationRestartChanged,
PREF_WIN_REGISTER_APPLICATION_RESTART);
# if defined(MOZ_LAUNCHER_PROCESS)
SetupLauncherProcessPref();
# endif // defined(MOZ_LAUNCHER_PROCESS)
#endif
#if defined(HAVE_DESKTOP_STARTUP_ID) && defined(MOZ_WIDGET_GTK)
nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit();
if (toolkit && !mDesktopStartupID.IsEmpty()) {
toolkit->SetDesktopStartupID(mDesktopStartupID);
}
// Clear the environment variable so it won't be inherited by
// child processes and confuse things.
g_unsetenv("DESKTOP_STARTUP_ID");
#endif
#ifdef XP_MACOSX
// we re-initialize the command-line service and do appleevents munging
// after we are sure that we're not restarting
cmdLine = new nsCommandLine();
char** tempArgv = static_cast<char**>(malloc(gArgc * sizeof(char*)));
for (int i = 0; i < gArgc; i++) {
tempArgv[i] = strdup(gArgv[i]);
}
CommandLineServiceMac::SetupMacCommandLine(gArgc, tempArgv, false);
rv = cmdLine->Init(gArgc, tempArgv, workingDir,
nsICommandLine::STATE_INITIAL_LAUNCH);
free(tempArgv);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
#endif
nsCOMPtr<nsIObserverService> obsService =
mozilla::services::GetObserverService();
if (obsService)
obsService->NotifyObservers(nullptr, "final-ui-startup", nullptr);
(void)appStartup->DoneStartingUp();
CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::StartupCrash,
false);
appStartup->GetShuttingDown(&mShuttingDown);
}
if (!mShuttingDown) {
rv = cmdLine->Run();
NS_ENSURE_SUCCESS_LOG(rv, NS_ERROR_FAILURE);
appStartup->GetShuttingDown(&mShuttingDown);
}
if (!mShuttingDown) {
#if defined(MOZ_HAS_REMOTE)
// if we have X remote support, start listening for requests on the
// proxy window.
if (mRemoteService) {
mRemoteService->StartupServer();
mRemoteService->UnlockStartup();
}
#endif /* MOZ_WIDGET_GTK */
mNativeApp->Enable();
}
#ifdef MOZ_INSTRUMENT_EVENT_LOOP
if (PR_GetEnv("MOZ_INSTRUMENT_EVENT_LOOP")) {
bool logToConsole = true;
mozilla::InitEventTracing(logToConsole);
}
#endif /* MOZ_INSTRUMENT_EVENT_LOOP */
#if defined(MOZ_SANDBOX) && defined(XP_LINUX)
// If we're on Linux, we now have information about the OS capabilities
// available to us.
SandboxInfo sandboxInfo = SandboxInfo::Get();
Telemetry::Accumulate(Telemetry::SANDBOX_HAS_SECCOMP_BPF,
sandboxInfo.Test(SandboxInfo::kHasSeccompBPF));
Telemetry::Accumulate(Telemetry::SANDBOX_HAS_SECCOMP_TSYNC,
sandboxInfo.Test(SandboxInfo::kHasSeccompTSync));
Telemetry::Accumulate(
Telemetry::SANDBOX_HAS_USER_NAMESPACES_PRIVILEGED,
sandboxInfo.Test(SandboxInfo::kHasPrivilegedUserNamespaces));
Telemetry::Accumulate(Telemetry::SANDBOX_HAS_USER_NAMESPACES,
sandboxInfo.Test(SandboxInfo::kHasUserNamespaces));
Telemetry::Accumulate(Telemetry::SANDBOX_CONTENT_ENABLED,
sandboxInfo.Test(SandboxInfo::kEnabledForContent));
Telemetry::Accumulate(Telemetry::SANDBOX_MEDIA_ENABLED,
sandboxInfo.Test(SandboxInfo::kEnabledForMedia));
nsAutoCString flagsString;
flagsString.AppendInt(sandboxInfo.AsInteger());
CrashReporter::AnnotateCrashReport(
CrashReporter::Annotation::ContentSandboxCapabilities, flagsString);
#endif /* MOZ_SANDBOX && XP_LINUX */
#if defined(MOZ_CONTENT_SANDBOX)
AddSandboxAnnotations();
#endif /* MOZ_CONTENT_SANDBOX */
mProfileSvc->CompleteStartup();
{
rv = appStartup->Run();
if (NS_FAILED(rv)) {
NS_ERROR("failed to run appstartup");
gLogConsoleErrors = true;
}
}
return rv;
}
/*
* XRE_main - A class based main entry point used by most platforms.
* Note that on OSX, aAppData->xreDirectory will point to
* .app/Contents/Resources.
*/
int XREMain::XRE_main(int argc, char* argv[], const BootstrapConfig& aConfig) {
ScopedLogging log;
mozilla::LogModule::Init(argc, argv);
#ifdef MOZ_CODE_COVERAGE
CodeCoverageHandler::Init();
#endif
AUTO_PROFILER_INIT;
AUTO_PROFILER_LABEL("XREMain::XRE_main", OTHER);
nsresult rv = NS_OK;
gArgc = argc;
gArgv = argv;
if (aConfig.appData) {
mAppData = MakeUnique<XREAppData>(*aConfig.appData);
} else {
MOZ_RELEASE_ASSERT(aConfig.appDataPath);
nsCOMPtr<nsIFile> appini;
rv = XRE_GetFileFromPath(aConfig.appDataPath, getter_AddRefs(appini));
if (NS_FAILED(rv)) {
Output(true, "Error: unrecognized path: %s\n", aConfig.appDataPath);
return 1;
}
mAppData = MakeUnique<XREAppData>();
rv = XRE_ParseAppData(appini, *mAppData);
if (NS_FAILED(rv)) {
Output(true, "Couldn't read application.ini");
return 1;
}
appini->GetParent(getter_AddRefs(mAppData->directory));
}
if (!mAppData->remotingName) {
mAppData->remotingName = mAppData->name;
}
// used throughout this file
gAppData = mAppData.get();
nsCOMPtr<nsIFile> binFile;
rv = XRE_GetBinaryPath(getter_AddRefs(binFile));
NS_ENSURE_SUCCESS(rv, 1);
rv = binFile->GetPath(gAbsoluteArgv0Path);
NS_ENSURE_SUCCESS(rv, 1);
if (!mAppData->xreDirectory) {
nsCOMPtr<nsIFile> lf;
rv = XRE_GetBinaryPath(getter_AddRefs(lf));
if (NS_FAILED(rv)) return 2;
nsCOMPtr<nsIFile> greDir;
rv = lf->GetParent(getter_AddRefs(greDir));
if (NS_FAILED(rv)) return 2;
#ifdef XP_MACOSX
nsCOMPtr<nsIFile> parent;
greDir->GetParent(getter_AddRefs(parent));
greDir = parent.forget();
greDir->AppendNative(NS_LITERAL_CSTRING("Resources"));
#endif
mAppData->xreDirectory = greDir;
}
if (aConfig.appData && aConfig.appDataPath) {
mAppData->xreDirectory->Clone(getter_AddRefs(mAppData->directory));
mAppData->directory->AppendNative(nsDependentCString(aConfig.appDataPath));
}
if (!mAppData->directory) {
mAppData->directory = mAppData->xreDirectory;
}
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
mAppData->sandboxBrokerServices = aConfig.sandboxBrokerServices;
mAppData->sandboxPermissionsService = aConfig.sandboxPermissionsService;
#endif
mozilla::IOInterposerInit ioInterposerGuard;
#if defined(XP_WIN)
// Some COM settings are global to the process and must be set before any non-
// trivial COM is run in the application. Since these settings may affect
// stability, we should instantiate COM ASAP so that we can ensure that these
// global settings are configured before anything can interfere.
mozilla::mscom::ProcessRuntime msCOMRuntime;
#endif
// init
bool exit = false;
int result = XRE_mainInit(&exit);
if (result != 0 || exit) return result;
// If we exit gracefully, remove the startup crash canary file.
auto cleanup = MakeScopeExit([&]() -> nsresult {
if (mProfLD) {
nsCOMPtr<nsIFile> crashFile;
MOZ_TRY_VAR(crashFile, GetIncompleteStartupFile(mProfLD));
crashFile->Remove(false);
}
return NS_OK;
});
// startup
result = XRE_mainStartup(&exit);
if (result != 0 || exit) return result;
bool appInitiatedRestart = false;
// Start the real application
mScopedXPCOM = MakeUnique<ScopedXPCOMStartup>();
if (!mScopedXPCOM) return 1;
rv = mScopedXPCOM->Initialize();
NS_ENSURE_SUCCESS(rv, 1);
// run!
rv = XRE_mainRun();
#ifdef MOZ_INSTRUMENT_EVENT_LOOP
mozilla::ShutdownEventTracing();
#endif
gAbsoluteArgv0Path.Truncate();
// Check for an application initiated restart. This is one that
// corresponds to nsIAppStartup.quit(eRestart)
if (rv == NS_SUCCESS_RESTART_APP ||
rv == NS_SUCCESS_RESTART_APP_NOT_SAME_PROFILE) {
appInitiatedRestart = true;
// We have an application restart don't do any shutdown checks here
// In particular we don't want to poison IO for checking late-writes.
gShutdownChecks = SCM_NOTHING;
}
if (!mShuttingDown) {
#if defined(MOZ_HAS_REMOTE)
// shut down the x remote proxy window
if (mRemoteService) {
mRemoteService->ShutdownServer();
}
#endif /* MOZ_WIDGET_GTK */
}
mScopedXPCOM = nullptr;
#if defined(XP_WIN)
mozilla::widget::StopAudioSession();
#endif
// unlock the profile after ScopedXPCOMStartup object (xpcom)
// has gone out of scope. see bug #386739 for more details
mProfileLock->Unlock();
gProfileLock = nullptr;
// Restart the app after XPCOM has been shut down cleanly.
if (appInitiatedRestart) {
RestoreStateForAppInitiatedRestart();
if (rv != NS_SUCCESS_RESTART_APP_NOT_SAME_PROFILE) {
// Ensure that these environment variables are set:
SaveFileToEnvIfUnset("XRE_PROFILE_PATH", mProfD);
SaveFileToEnvIfUnset("XRE_PROFILE_LOCAL_PATH", mProfLD);
}
#ifdef MOZ_WIDGET_GTK
if (!gfxPlatform::IsHeadless()) {
MOZ_gdk_display_close(mGdkDisplay);
}
#endif
{ rv = LaunchChild(mNativeApp, true); }
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER)
CrashReporter::UnsetExceptionHandler();
return rv == NS_ERROR_LAUNCHED_CHILD_PROCESS ? 0 : 1;
}
#ifdef MOZ_WIDGET_GTK
// gdk_display_close also calls gdk_display_manager_set_default_display
// appropriately when necessary.
if (!gfxPlatform::IsHeadless()) {
MOZ_gdk_display_close(mGdkDisplay);
}
#endif
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER)
CrashReporter::UnsetExceptionHandler();
XRE_DeinitCommandLine();
return NS_FAILED(rv) ? 1 : 0;
}
void XRE_StopLateWriteChecks(void) { mozilla::StopLateWriteChecks(); }
int XRE_main(int argc, char* argv[], const BootstrapConfig& aConfig) {
XREMain main;
int result = main.XRE_main(argc, argv, aConfig);
mozilla::RecordShutdownEndTimeStamp();
return result;
}
nsresult XRE_InitCommandLine(int aArgc, char* aArgv[]) {
nsresult rv = NS_OK;
#if defined(OS_WIN)
CommandLine::Init(aArgc, aArgv);
#else
// these leak on error, but that's OK: we'll just exit()
char** canonArgs = new char*[aArgc];
// get the canonical version of the binary's path
nsCOMPtr<nsIFile> binFile;
rv = XRE_GetBinaryPath(getter_AddRefs(binFile));
if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
nsAutoCString canonBinPath;
rv = binFile->GetNativePath(canonBinPath);
if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
canonArgs[0] = strdup(canonBinPath.get());
for (int i = 1; i < aArgc; ++i) {
if (aArgv[i]) {
canonArgs[i] = strdup(aArgv[i]);
}
}
NS_ASSERTION(!CommandLine::IsInitialized(), "Bad news!");
CommandLine::Init(aArgc, canonArgs);
for (int i = 0; i < aArgc; ++i) free(canonArgs[i]);
delete[] canonArgs;
#endif
recordreplay::parent::InitializeUIProcess(gArgc, gArgv);
const char* path = nullptr;
ArgResult ar = CheckArg("greomni", &path,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --greomni requires a path argument or the "
"--osint argument was specified with the --appomni argument "
"which is invalid\n");
return NS_ERROR_FAILURE;
}
if (!path) return rv;
nsCOMPtr<nsIFile> greOmni;
rv = XRE_GetFileFromPath(path, getter_AddRefs(greOmni));
if (NS_FAILED(rv)) {
PR_fprintf(PR_STDERR, "Error: argument --greomni requires a valid path\n");
return rv;
}
ar = CheckArg("appomni", &path,
CheckArgFlag::CheckOSInt | CheckArgFlag::RemoveArg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR,
"Error: argument --appomni requires a path argument or the "
"--osint argument was specified with the --appomni argument "
"which is invalid\n");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIFile> appOmni;
if (path) {
rv = XRE_GetFileFromPath(path, getter_AddRefs(appOmni));
if (NS_FAILED(rv)) {
PR_fprintf(PR_STDERR,
"Error: argument --appomni requires a valid path\n");
return rv;
}
}
mozilla::Omnijar::Init(greOmni, appOmni);
return rv;
}
nsresult XRE_DeinitCommandLine() {
nsresult rv = NS_OK;
CommandLine::Terminate();
return rv;
}
GeckoProcessType XRE_GetProcessType() {
return mozilla::startup::sChildProcessType;
}
bool XRE_IsE10sParentProcess() {
return XRE_IsParentProcess() && BrowserTabsRemoteAutostart();
}
#define GECKO_PROCESS_TYPE(enum_name, string_name, xre_name) \
bool XRE_Is##xre_name##Process() { \
return XRE_GetProcessType() == GeckoProcessType_##enum_name; \
}
#include "mozilla/GeckoProcessTypes.h"
#undef GECKO_PROCESS_TYPE
bool XRE_UseNativeEventProcessing() {
#if defined(XP_MACOSX) || defined(XP_WIN)
if (XRE_IsRDDProcess() || XRE_IsSocketProcess()) {
return false;
}
#endif
if (XRE_IsContentProcess()) {
static bool sInited = false;
static bool sUseNativeEventProcessing = false;
if (!sInited) {
Preferences::AddBoolVarCache(&sUseNativeEventProcessing,
"dom.ipc.useNativeEventProcessing.content");
sInited = true;
}
return sUseNativeEventProcessing;
}
return true;
}
#if defined(XP_WIN)
bool XRE_Win32kCallsAllowed() {
switch (XRE_GetProcessType()) {
case GeckoProcessType_GMPlugin:
case GeckoProcessType_RDD:
return false;
default:
return true;
}
}
#endif
// If you add anything to this enum, please update about:support to reflect it
enum {
kE10sEnabledByUser = 0,
kE10sEnabledByDefault = 1,
kE10sDisabledByUser = 2,
// kE10sDisabledInSafeMode = 3, was removed in bug 1172491.
// kE10sDisabledForAccessibility = 4,
// kE10sDisabledForMacGfx = 5, was removed in bug 1068674.
// kE10sDisabledForBidi = 6, removed in bug 1309599
// kE10sDisabledForAddons = 7, removed in bug 1406212
kE10sForceDisabled = 8,
// kE10sDisabledForXPAcceleration = 9, removed in bug 1296353
// kE10sDisabledForOperatingSystem = 10, removed due to xp-eol
};
const char* kForceEnableE10sPref = "browser.tabs.remote.force-enable";
const char* kForceDisableE10sPref = "browser.tabs.remote.force-disable";
namespace mozilla {
bool BrowserTabsRemoteAutostart() {
if (gBrowserTabsRemoteAutostartInitialized) {
return gBrowserTabsRemoteAutostart;
}
gBrowserTabsRemoteAutostartInitialized = true;
// If we're in the content process, we are running E10S.
if (XRE_IsContentProcess()) {
gBrowserTabsRemoteAutostart = true;
return gBrowserTabsRemoteAutostart;
}
bool optInPref = Preferences::GetBool("browser.tabs.remote.autostart", true);
int status = kE10sEnabledByDefault;
if (optInPref) {
gBrowserTabsRemoteAutostart = true;
} else {
status = kE10sDisabledByUser;
}
// Uber override pref for manual testing purposes
if (Preferences::GetBool(kForceEnableE10sPref, false)) {
gBrowserTabsRemoteAutostart = true;
status = kE10sEnabledByUser;
}
// Uber override pref for emergency blocking
if (gBrowserTabsRemoteAutostart &&
(Preferences::GetBool(kForceDisableE10sPref, false) ||
EnvHasValue("MOZ_FORCE_DISABLE_E10S"))) {
gBrowserTabsRemoteAutostart = false;
status = kE10sForceDisabled;
}
gBrowserTabsRemoteStatus = status;
return gBrowserTabsRemoteAutostart;
}
uint32_t GetMaxWebProcessCount() {
// multiOptOut is in int to allow us to run multiple experiments without
// introducing multiple prefs a la the autostart.N prefs.
if (Preferences::GetInt("dom.ipc.multiOptOut", 0) >=
nsIXULRuntime::E10S_MULTI_EXPERIMENT) {
return 1;
}
const char* optInPref = "dom.ipc.processCount";
uint32_t optInPrefValue = Preferences::GetInt(optInPref, 1);
return std::max(1u, optInPrefValue);
}
const char* PlatformBuildID() { return gToolkitBuildID; }
} // namespace mozilla
void SetupErrorHandling(const char* progname) {
#ifdef XP_WIN
/* On Windows XPSP3 and Windows Vista if DEP is configured off-by-default
we still want DEP protection: enable it explicitly and programmatically.
This function is not available on WinXPSP2 so we dynamically load it.
*/
HMODULE kernel32 = GetModuleHandleW(L"kernel32.dll");
SetProcessDEPPolicyFunc _SetProcessDEPPolicy =
(SetProcessDEPPolicyFunc)GetProcAddress(kernel32, "SetProcessDEPPolicy");
if (_SetProcessDEPPolicy) _SetProcessDEPPolicy(PROCESS_DEP_ENABLE);
#endif
#ifdef XP_WIN32
// Suppress the "DLL Foo could not be found" dialog, such that if dependent
// libraries (such as GDI+) are not preset, we gracefully fail to load those
// XPCOM components, instead of being ungraceful.
UINT realMode = SetErrorMode(0);
realMode |= SEM_FAILCRITICALERRORS;
// If XRE_NO_WINDOWS_CRASH_DIALOG is set, suppress displaying the "This
// application has crashed" dialog box. This is mainly useful for
// automated testing environments, e.g. tinderbox, where there's no need
// for a dozen of the dialog boxes to litter the console
if (getenv("XRE_NO_WINDOWS_CRASH_DIALOG"))
realMode |= SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
SetErrorMode(realMode);
#endif
InstallSignalHandlers(progname);
// Unbuffer stdout, needed for tinderbox tests.
setbuf(stdout, 0);
}
// Note: This function should not be needed anymore. See Bug 818634 for details.
void OverrideDefaultLocaleIfNeeded() {
// Read pref to decide whether to override default locale with US English.
if (mozilla::Preferences::GetBool("javascript.use_us_english_locale",
false)) {
// Set the application-wide C-locale. Needed to resist fingerprinting
// of Date.toLocaleFormat(). We use the locale to "C.UTF-8" if possible,
// to avoid interfering with non-ASCII keyboard input on some Linux
// desktops. Otherwise fall back to the "C" locale, which is available on
// all platforms.
setlocale(LC_ALL, "C.UTF-8") || setlocale(LC_ALL, "C");
}
}
void XRE_EnableSameExecutableForContentProc() {
if (!PR_GetEnv("MOZ_SEPARATE_CHILD_PROCESS")) {
mozilla::ipc::GeckoChildProcessHost::EnableSameExecutableForContentProc();
}
}
// Because rust doesn't handle weak symbols, this function wraps the weak
// malloc_handle_oom for it.
extern "C" void GeckoHandleOOM(size_t size) { mozalloc_handle_oom(size); }
// Similarly, this wraps MOZ_Crash
extern "C" void GeckoCrash(const char* aFilename, int aLine,
const char* aReason) {
MOZ_Crash(aFilename, aLine, aReason);
}
// From toolkit/library/rust/shared/lib.rs
extern "C" void install_rust_panic_hook();
extern "C" void install_rust_oom_hook();
struct InstallRustHooks {
InstallRustHooks() {
install_rust_panic_hook();
install_rust_oom_hook();
}
};
InstallRustHooks sInstallRustHooks;
#ifdef MOZ_ASAN_REPORTER
void setASanReporterPath(nsIFile* aDir) {
nsCOMPtr<nsIFile> dir;
aDir->Clone(getter_AddRefs(dir));
dir->Append(NS_LITERAL_STRING("asan"));
nsresult rv = dir->Create(nsIFile::DIRECTORY_TYPE, 0700);
if (NS_WARN_IF(NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS)) {
MOZ_CRASH("[ASan Reporter] Unable to create crash directory.");
}
dir->Append(NS_LITERAL_STRING("ff_asan_log"));
# ifdef XP_WIN
nsAutoString nspathW;
rv = dir->GetPath(nspathW);
NS_ConvertUTF16toUTF8 nspath(nspathW);
# else
nsAutoCString nspath;
rv = dir->GetNativePath(nspath);
# endif
if (NS_FAILED(rv)) {
MOZ_CRASH("[ASan Reporter] Unable to get native path for crash directory.");
}
__sanitizer_set_report_path(nspath.get());
}
#endif
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