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

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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/Attributes.h"
#include "mozilla/ChaosMode.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/ScopeExit.h"
#include "mozilla/Services.h"
#include "mozilla/Telemetry.h"
#include "mozilla/intl/LocaleService.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 "nsIAppStartupNotifier.h"
#include "nsIMutableArray.h"
#include "nsICategoryManager.h"
#include "nsIChromeRegistry.h"
#include "nsICommandLineRunner.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIConsoleService.h"
#include "nsIContentHandler.h"
#include "nsIDialogParamBlock.h"
#include "nsIDOMWindow.h"
#include "mozilla/ModuleUtils.h"
#include "nsIIOService2.h"
#include "nsIObserverService.h"
#include "nsINativeAppSupport.h"
#include "nsIPlatformInfo.h"
#include "nsIProcess.h"
#include "nsIProfileUnlocker.h"
#include "nsIPromptService.h"
#include "nsIServiceManager.h"
#include "nsIStringBundle.h"
#include "nsISupportsPrimitives.h"
#include "nsIToolkitChromeRegistry.h"
#include "nsIToolkitProfile.h"
#include "nsIToolkitProfileService.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/mscom/MainThreadRuntime.h"
#include "mozilla/widget/AudioSession.h"
#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 "nsToolkitCompsCID.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 <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
#endif
#ifdef XP_WIN
#include <process.h>
#include <shlobj.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
#ifdef MOZ_ENABLE_XREMOTE
#include "XRemoteClient.h"
#include "nsIRemoteService.h"
#include "nsProfileLock.h"
#include "SpecialSystemDirectory.h"
#include <sched.h>
// Time to wait for the remoting service to start
#define MOZ_XREMOTE_START_TIMEOUT_SEC 5
#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
#ifdef MOZ_CRASHREPORTER
#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
#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
extern uint32_t gRestartMode;
extern void InstallSignalHandlers(const char *ProgramName);
// This workaround is fixed in Rust 1.19. For details, see bug 1358151.
// Implementation in toolkit/library/rust/shared/lib.rs
extern "C" {
void rust_init_please_remove_this_after_updating_rust_1_19();
}
#define FILE_COMPATIBILITY_INFO NS_LITERAL_CSTRING("compatibility.ini")
#define FILE_INVALIDATE_CACHES NS_LITERAL_CSTRING(".purgecaches")
int gArgc;
char **gArgv;
static const char gToolkitVersion[] = NS_STRINGIFY(GRE_MILESTONE);
static const char gToolkitBuildID[] = NS_STRINGIFY(MOZ_BUILDID);
static nsIProfileLock* gProfileLock;
int gRestartArgc;
char **gRestartArgv;
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_X11
#include <gdk/gdkx.h>
#endif /* MOZ_X11 */
#include "nsGTKToolkit.h"
#include <fontconfig/fontconfig.h>
#endif
#include "BinaryPath.h"
#ifndef MOZ_BUILDID
// See comment in Makefile.in why we want to avoid including buildid.h.
// Still include it when MOZ_BUILDID is not set, which can happen with some
// build backends.
#include "buildid.h"
#endif
#ifdef MOZ_LINKER
extern "C" MFBT_API bool IsSignalHandlingBroken();
#endif
#ifdef LIBFUZZER
#include "LibFuzzerRunner.h"
namespace mozilla {
LibFuzzerRunner* libFuzzerRunner = 0;
} // namespace mozilla
void XRE_LibFuzzerSetDriver(LibFuzzerDriver aDriver) {
mozilla::libFuzzerRunner->setParams(aDriver);
}
#endif
namespace mozilla {
int (*RunGTest)(int*, char**) = 0;
} // namespace mozilla
using namespace mozilla;
using mozilla::Unused;
using mozilla::scache::StartupCache;
using mozilla::dom::ContentParent;
using mozilla::dom::ContentChild;
using mozilla::intl::LocaleService;
// Save literal putenv string to environment variable.
static void
SaveToEnv(const char *putenv)
{
char *expr = strdup(putenv);
if (expr)
PR_SetEnv(expr);
// We intentionally leak |expr| here since it is required by PR_SetEnv.
MOZ_LSAN_INTENTIONALLY_LEAK_OBJECT(expr);
}
// Tests that an environment variable exists and has a value
static bool
EnvHasValue(const char *name)
{
const char *val = PR_GetEnv(name);
return (val && *val);
}
// Save the given word to the specified environment variable.
static void
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
}
// Load the path of a file saved with SaveFileToEnv
static already_AddRefed<nsIFile>
GetFileFromEnv(const char *name)
{
nsresult rv;
nsCOMPtr<nsIFile> file;
#ifdef XP_WIN
WCHAR path[_MAX_PATH];
if (!GetEnvironmentVariableW(NS_ConvertASCIItoUTF16(name).get(),
path, _MAX_PATH))
return nullptr;
rv = NS_NewLocalFile(nsDependentString(path), true, getter_AddRefs(file));
if (NS_FAILED(rv))
return nullptr;
return file.forget();
#else
const char *arg = PR_GetEnv(name);
if (!arg || !*arg)
return nullptr;
rv = NS_NewNativeLocalFile(nsDependentCString(arg), true,
getter_AddRefs(file));
if (NS_FAILED(rv))
return nullptr;
return file.forget();
#endif
}
// Save the path of the given word to the specified environment variable
// provided the environment variable does not have a value.
static void
SaveWordToEnvIfUnset(const char *name, const nsACString & word)
{
if (!EnvHasValue(name))
SaveWordToEnv(name, word);
}
// 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
strimatch(const char* lowerstr, const char* mixedstr)
{
while(*lowerstr) {
if (!*mixedstr) return false; // mixedstr is shorter
if (tolower(*mixedstr) != *lowerstr) return false; // no match
++lowerstr;
++mixedstr;
}
if (*mixedstr) return false; // lowerstr is shorter
return true;
}
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);
}
enum RemoteResult {
REMOTE_NOT_FOUND = 0,
REMOTE_FOUND = 1,
REMOTE_ARG_BAD = 2
};
enum ArgResult {
ARG_NONE = 0,
ARG_FOUND = 1,
ARG_BAD = 2 // you wanted a param, but there isn't one
};
static void RemoveArg(char **argv)
{
do {
*argv = *(argv + 1);
++argv;
} while (*argv);
--gArgc;
}
/**
* 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 aCheckOSInt if true returns ARG_BAD if the osint argument is present
* when aArg is also present.
* @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 aRemArg if true, the argument is removed from the gArgv array.
*/
static ArgResult
CheckArg(const char* aArg, bool aCheckOSInt = false, const char **aParam = nullptr, bool aRemArg = true)
{
MOZ_ASSERT(gArgv, "gArgv must be initialized before CheckArg()");
char **curarg = gArgv + 1; // skip argv[0]
ArgResult ar = ARG_NONE;
while (*curarg) {
char *arg = curarg[0];
if (arg[0] == '-'
#if defined(XP_WIN)
|| *arg == '/'
#endif
) {
++arg;
if (*arg == '-')
++arg;
if (strimatch(aArg, arg)) {
if (aRemArg)
RemoveArg(curarg);
else
++curarg;
if (!aParam) {
ar = ARG_FOUND;
break;
}
if (*curarg) {
if (**curarg == '-'
#if defined(XP_WIN)
|| **curarg == '/'
#endif
)
return ARG_BAD;
*aParam = *curarg;
if (aRemArg)
RemoveArg(curarg);
ar = ARG_FOUND;
break;
}
return ARG_BAD;
}
}
++curarg;
}
if (aCheckOSInt && ar == ARG_FOUND) {
ArgResult arOSInt = CheckArg("osint");
if (arOSInt == ARG_FOUND) {
ar = ARG_BAD;
PR_fprintf(PR_STDERR, "Error: argument --osint is invalid\n");
}
}
return ar;
}
/**
* 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)
{
char **curarg = gArgv + 1; // skip argv[0]
while (*curarg) {
char *arg = curarg[0];
if (arg[0] == '-'
#if defined(XP_WIN)
|| *arg == '/'
#endif
) {
++arg;
if (*arg == '-')
++arg;
char delimiter = '=';
#if defined(XP_WIN)
delimiter = ':';
#endif
int i;
for (i = 0; arg[i] && arg[i] != delimiter; i++) {}
char tmp = arg[i];
arg[i] = '\0';
bool found = strimatch(aArg, arg);
arg[i] = tmp;
if (found) {
return ARG_FOUND;
}
}
++curarg;
}
return ARG_NONE;
}
#if defined(XP_WIN)
/**
* Check for a commandline flag from the windows shell and remove it from the
* argv used when restarting. Flags MUST be in the form -arg.
*
* @param aArg the parameter to check. Must be lowercase.
*/
static ArgResult
CheckArgShell(const char* aArg)
{
char **curarg = gRestartArgv + 1; // skip argv[0]
while (*curarg) {
char *arg = curarg[0];
if (arg[0] == '-') {
++arg;
if (strimatch(aArg, arg)) {
do {
*curarg = *(curarg + 1);
++curarg;
} while (*curarg);
--gRestartArgc;
return ARG_FOUND;
}
}
++curarg;
}
return ARG_NONE;
}
/**
* Enabled Native App Support to process DDE messages when the app needs to
* restart and the app has been launched by the Windows shell to open an url.
* When aWait is false this will process the DDE events manually. This prevents
* Windows from displaying an error message due to the DDE message not being
* acknowledged.
*/
static void
ProcessDDE(nsINativeAppSupport* aNative, bool aWait)
{
// When the app is launched by the windows shell the windows shell
// expects the app to be available for DDE messages and if it isn't
// windows displays an error dialog. To prevent the error the DDE server
// is enabled and pending events are processed when the app needs to
// restart after it was launched by the shell with the requestpending
// argument. The requestpending pending argument is removed to
// differentiate it from being launched when an app restart is not
// required.
ArgResult ar;
ar = CheckArgShell("requestpending");
if (ar == ARG_FOUND) {
aNative->Enable(); // enable win32 DDE responses
if (aWait) {
// This is just a guesstimate based on testing different values.
// If count is 8 or less windows will display an error dialog.
int32_t count = 20;
SpinEventLoopUntil([&]() { return --count < 0; });
}
}
}
#endif
/**
* Determines if there is support for showing the profile manager
*
* @return true in all environments
*/
static bool
CanShowProfileManager()
{
return true;
}
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
#ifdef MOZ_CRASHREPORTER
public nsICrashReporter,
public nsIFinishDumpingCallback,
#endif
public nsIXULRuntime
{
public:
constexpr nsXULAppInfo() {}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIPLATFORMINFO
NS_DECL_NSIXULAPPINFO
NS_DECL_NSIXULRUNTIME
NS_DECL_NSIOBSERVER
#ifdef MOZ_CRASHREPORTER
NS_DECL_NSICRASHREPORTER
NS_DECL_NSIFINISHDUMPINGCALLBACK
#endif
#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
#ifdef MOZ_CRASHREPORTER
NS_INTERFACE_MAP_ENTRY(nsICrashReporter)
NS_INTERFACE_MAP_ENTRY(nsIFinishDumpingCallback)
#endif
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::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)
// .. and ensure that that is all of them:
static_assert(GeckoProcessType_GPU + 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;
static bool gListeningForCohortChange = 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::GetMultiprocessBlockPolicy(uint32_t* aResult)
{
*aResult = MultiprocessBlockPolicy();
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 oopClientInfo, ipClientInfo;
a11y::Compatibility::GetHumanReadableConsumersStr(ipClientInfo);
aInstantiator.Append(ipClientInfo);
aInstantiator.AppendLiteral("|");
a11y::GetInstantiator(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(
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::GetLastRunCrashID(nsAString &aLastRunCrashID)
{
#ifdef MOZ_CRASHREPORTER
CrashReporter::GetLastRunCrashID(aLastRunCrashID);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
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;
}
#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
#ifdef MOZ_CRASHREPORTER
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 = do_QueryInterface(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)
{
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)
{
return CrashReporter::AnnotateCrashReport(key, data);
}
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;
}
#endif
static const nsXULAppInfo kAppInfo;
static nsresult AppInfoConstructor(nsISupports* aOuter,
REFNSIID aIID, void **aResult)
{
NS_ENSURE_NO_AGGREGATION(aOuter);
return const_cast<nsXULAppInfo*>(&kAppInfo)->
QueryInterface(aIID, aResult);
}
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);
static nsresult CreateAppSupport(nsISupports* aOuter, REFNSIID aIID, void** aResult);
private:
nsIServiceManager* mServiceManager;
static nsINativeAppSupport* gNativeAppSupport;
};
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 (do_GetService(NS_APPSTARTUP_CONTRACTID));
if (appStartup)
appStartup->DestroyHiddenWindow();
gDirServiceProvider->DoShutdown();
profiler_add_marker("Shutdown early");
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 } }
// {0C4A446C-EE82-41f2-8D04-D366D2C7A7D4}
static const nsCID kNativeAppSupportCID =
{ 0xc4a446c, 0xee82, 0x41f2, { 0x8d, 0x4, 0xd3, 0x66, 0xd2, 0xc7, 0xa7, 0xd4 } };
// {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 },
{ &kNativeAppSupportCID, false, nullptr, ScopedXPCOMStartup::CreateAppSupport },
{ 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
{ NS_PROFILESERVICE_CONTRACTID, &kProfileServiceCID },
{ NS_NATIVEAPPSUPPORT_CONTRACTID, &kNativeAppSupportCID },
{ 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 (do_GetService(NS_APPSTARTUP_CONTRACTID));
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 */ nsresult
ScopedXPCOMStartup::CreateAppSupport(nsISupports* aOuter, REFNSIID aIID, void** aResult)
{
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
if (!gNativeAppSupport)
return NS_ERROR_NOT_INITIALIZED;
return gNativeAppSupport->QueryInterface(aIID, aResult);
}
nsINativeAppSupport* ScopedXPCOMStartup::gNativeAppSupport;
static void DumpArbitraryHelp()
{
nsresult rv;
ScopedLogging log;
{
ScopedXPCOMStartup xpcom;
xpcom.Initialize();
nsCOMPtr<nsICommandLineRunner> cmdline
(do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
if (!cmdline)
return;
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"
" --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"
" --UILocale <locale> Start with <locale> resources as UI Locale.\n"
" --safe-mode Disables extensions and themes for this session.\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
// 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();
}
#if defined(DEBUG) && defined(XP_WIN)
#ifdef DEBUG_warren
#define _CRTDBG_MAP_ALLOC
#endif
// Set a CRT ReportHook function to capture and format MSCRT
// warnings, errors and assertions.
// See http://msdn.microsoft.com/en-US/library/74kabxyx(v=VS.80).aspx
#include <stdio.h>
#include <crtdbg.h>
#include "mozilla/mozalloc_abort.h"
static int MSCRTReportHook( int aReportType, char *aMessage, int *oReturnValue)
{
*oReturnValue = 0; // continue execution
// Do not use fprintf or other functions which may allocate
// memory from the heap which may be corrupted. Instead,
// use fputs to output the leading portion of the message
// and use mozalloc_abort to emit the remainder of the
// message.
switch(aReportType) {
case 0:
fputs("\nWARNING: CRT WARNING", stderr);
fputs(aMessage, stderr);
fputs("\n", stderr);
break;
case 1:
fputs("\n###!!! ABORT: CRT ERROR ", stderr);
mozalloc_abort(aMessage);
break;
case 2:
fputs("\n###!!! ABORT: CRT ASSERT ", stderr);
mozalloc_abort(aMessage);
break;
}
// do not invoke the debugger
return 1;
}
#endif
static inline void
DumpVersion()
{
if (gAppData->vendor)
printf("%s ", (const char*) gAppData->vendor);
printf("%s %s", (const char*) gAppData->name, (const char*) gAppData->version);
if (gAppData->copyright)
printf(", %s", (const char*) gAppData->copyright);
printf("\n");
}
#ifdef MOZ_ENABLE_XREMOTE
static RemoteResult
ParseRemoteCommandLine(nsCString& program,
const char** profile,
const char** username)
{
ArgResult ar;
ar = CheckArg("p", false, profile, false);
if (ar == ARG_BAD) {
// Leave it to the normal command line handling to handle this situation.
return REMOTE_NOT_FOUND;
}
const char *temp = nullptr;
ar = CheckArg("a", true, &temp);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument -a requires an application name\n");
return REMOTE_ARG_BAD;
}
if (ar == ARG_FOUND) {
program.Assign(temp);
}
ar = CheckArg("u", true, username);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument -u requires a username\n");
return REMOTE_ARG_BAD;
}
return REMOTE_FOUND;
}
static RemoteResult
StartRemoteClient(const char* aDesktopStartupID,
nsCString& program,
const char* profile,
const char* username)
{
XRemoteClient client;
nsresult rv = client.Init();
if (NS_FAILED(rv))
return REMOTE_NOT_FOUND;
nsCString response;
bool success = false;
rv = client.SendCommandLine(program.get(), username, profile,
gArgc, gArgv, aDesktopStartupID,
getter_Copies(response), &success);
// did the command fail?
if (!success)
return REMOTE_NOT_FOUND;
// The "command not parseable" error is returned when the
// nsICommandLineHandler throws a NS_ERROR_ABORT.
if (response.EqualsLiteral("500 command not parseable"))
return REMOTE_ARG_BAD;
if (NS_FAILED(rv))
return REMOTE_NOT_FOUND;
return REMOTE_FOUND;
}
#endif // MOZ_ENABLE_XREMOTE
void
XRE_InitOmnijar(nsIFile* greOmni, nsIFile* appOmni)
{
mozilla::Omnijar::Init(greOmni, appOmni);
}
nsresult
XRE_GetBinaryPath(const char* argv0, nsIFile* *aResult)
{
return mozilla::BinaryPath::GetFile(argv0, aResult);
}
#ifdef XP_WIN
#include "nsWindowsRestart.cpp"
#include <shellapi.h>
typedef BOOL (WINAPI* SetProcessDEPPolicyFunc)(DWORD dwFlags);
#endif
// 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(); // release DDE mutex, if we're holding it
// 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_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(gArgv[0], 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;
if (!WinLaunchChild(exePath.get(), gRestartArgc, gRestartArgv))
return NS_ERROR_FAILURE;
#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 ReturnAbortOnError
ProfileLockedDialog(nsIFile* aProfileDir, nsIFile* aProfileLocalDir,
nsIProfileUnlocker* aUnlocker,
nsINativeAppSupport* aNative, nsIProfileLock* *aResult)
{
nsresult rv;
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 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 nsresult
ProfileLockedDialog(nsIToolkitProfile* aProfile, nsIProfileUnlocker* aUnlocker,
nsINativeAppSupport* aNative, nsIProfileLock* *aResult)
{
nsCOMPtr<nsIFile> profileDir;
nsresult rv = aProfile->GetRootDir(getter_AddRefs(profileDir));
if (NS_FAILED(rv)) return rv;
bool exists;
profileDir->Exists(&exists);
if (!exists) {
return ProfileMissingDialog(aNative);
}
nsCOMPtr<nsIFile> profileLocalDir;
rv = aProfile->GetLocalDir(getter_AddRefs(profileLocalDir));
if (NS_FAILED(rv)) return rv;
return ProfileLockedDialog(profileDir, profileLocalDir, aUnlocker, aNative,
aResult);
}
static const char kProfileManagerURL[] =
"chrome://mozapps/content/profile/profileSelection.xul";
static ReturnAbortOnError
ShowProfileManager(nsIToolkitProfileService* aProfileSvc,
nsINativeAppSupport* aNative)
{
if (!CanShowProfileManager()) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsresult rv;
nsCOMPtr<nsIFile> profD, profLD;
char16_t* profileNamePtr;
nsAutoCString profileName;
{
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
#ifdef XP_WIN
// we don't have to wait here because profile manager window will pump
// and DDE message will be handled
ProcessDDE(aNative, false);
#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
(do_GetService(NS_APPSTARTUP_CONTRACTID));
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;
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);
rv = ioParamBlock->GetString(0, &profileNamePtr);
NS_ENSURE_SUCCESS(rv, rv);
CopyUTF16toUTF8(profileNamePtr, profileName);
free(profileNamePtr);
lock->Unlock();
}
}
SaveFileToEnv("XRE_PROFILE_PATH", profD);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", profLD);
SaveWordToEnv("XRE_PROFILE_NAME", profileName);
bool offline = false;
aProfileSvc->GetStartOffline(&offline);
if (offline) {
SaveToEnv("XRE_START_OFFLINE=1");
}
return LaunchChild(aNative);
}
/**
* Get the currently running profile using its root directory.
*
* @param aProfileSvc The profile service
* @param aCurrentProfileRoot The root directory of the current profile.
* @param aProfile Out-param that returns the profile object.
* @return an error if aCurrentProfileRoot is not found
*/
static nsresult
GetCurrentProfile(nsIToolkitProfileService* aProfileSvc,
nsIFile* aCurrentProfileRoot,
nsIToolkitProfile** aProfile)
{
NS_ENSURE_ARG_POINTER(aProfileSvc);
NS_ENSURE_ARG_POINTER(aProfile);
nsCOMPtr<nsISimpleEnumerator> profiles;
nsresult rv = aProfileSvc->GetProfiles(getter_AddRefs(profiles));
if (NS_FAILED(rv))
return rv;
bool foundMatchingProfile = false;
nsCOMPtr<nsISupports> supports;
rv = profiles->GetNext(getter_AddRefs(supports));
while (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIToolkitProfile> profile = do_QueryInterface(supports);
nsCOMPtr<nsIFile> profileRoot;
profile->GetRootDir(getter_AddRefs(profileRoot));
profileRoot->Equals(aCurrentProfileRoot, &foundMatchingProfile);
if (foundMatchingProfile) {
profile.forget(aProfile);
return NS_OK;
}
rv = profiles->GetNext(getter_AddRefs(supports));
}
return rv;
}
static bool gDoMigration = false;
static bool gDoProfileReset = false;
static nsAutoCString gResetOldProfileName;
// Pick a profile. We need to end up with a profile lock.
//
// 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(nsIProfileLock* *aResult, nsIToolkitProfileService* aProfileSvc, nsINativeAppSupport* aNative,
bool* aStartOffline, nsACString* aProfileName)
{
StartupTimeline::Record(StartupTimeline::SELECT_PROFILE);
nsresult rv;
ArgResult ar;
const char* arg;
*aResult = nullptr;
*aStartOffline = false;
ar = CheckArg("offline", true);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --offline is invalid when argument --osint is specified\n");
return NS_ERROR_FAILURE;
}
if (ar || EnvHasValue("XRE_START_OFFLINE"))
*aStartOffline = true;
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.
ar = CheckArg("reset-profile", true);
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", true);
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;
}
nsCOMPtr<nsIFile> lf = GetFileFromEnv("XRE_PROFILE_PATH");
if (lf) {
nsCOMPtr<nsIFile> localDir =
GetFileFromEnv("XRE_PROFILE_LOCAL_PATH");
if (!localDir) {
localDir = lf;
}
arg = PR_GetEnv("XRE_PROFILE_NAME");
if (arg && *arg && aProfileName) {
aProfileName->Assign(nsDependentCString(arg));
if (gDoProfileReset) {
gResetOldProfileName.Assign(*aProfileName);
}
}
// Clear out flags that we handled (or should have handled!) last startup.
const char *dummy;
CheckArg("p", false, &dummy);
CheckArg("profile", false, &dummy);
CheckArg("profilemanager");
if (gDoProfileReset) {
// If we're resetting a profile, create a new one and use it to startup.
nsCOMPtr<nsIToolkitProfile> newProfile;
rv = CreateResetProfile(aProfileSvc, gResetOldProfileName, getter_AddRefs(newProfile));
if (NS_SUCCEEDED(rv)) {
rv = newProfile->GetRootDir(getter_AddRefs(lf));
NS_ENSURE_SUCCESS(rv, rv);
SaveFileToEnv("XRE_PROFILE_PATH", lf);
rv = newProfile->GetLocalDir(getter_AddRefs(localDir));
NS_ENSURE_SUCCESS(rv, rv);
SaveFileToEnv("XRE_PROFILE_LOCAL_PATH", localDir);
rv = newProfile->GetName(*aProfileName);
if (NS_FAILED(rv))
aProfileName->Truncate(0);
SaveWordToEnv("XRE_PROFILE_NAME", *aProfileName);
} else {
NS_WARNING("Profile reset failed.");
gDoProfileReset = false;
}
}
return NS_LockProfilePath(lf, localDir, nullptr, aResult);
}
ar = CheckArg("profile", true, &arg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --profile requires a path\n");
return NS_ERROR_FAILURE;
}
if (ar) {
if (gDoProfileReset) {
NS_WARNING("Profile reset is not supported in conjunction with --profile.");
gDoProfileReset = false;
}
nsCOMPtr<nsIFile> lf;
rv = XRE_GetFileFromPath(arg, getter_AddRefs(lf));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIProfileUnlocker> unlocker;
// Check if the profile path exists and it's a directory.
bool exists;
lf->Exists(&exists);
if (!exists) {
rv = lf->Create(nsIFile::DIRECTORY_TYPE, 0700);
NS_ENSURE_SUCCESS(rv, rv);
}
// If a profile path is specified directory on the command line, then
// assume that the temp directory is the same as the given directory.
rv = NS_LockProfilePath(lf, lf, getter_AddRefs(unlocker), aResult);
if (NS_SUCCEEDED(rv))
return rv;
return ProfileLockedDialog(lf, lf, unlocker, aNative, aResult);
}
ar = CheckArg("createprofile", true, &arg);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --createprofile requires a profile name\n");
return NS_ERROR_FAILURE;
}
if (ar) {
nsCOMPtr<nsIToolkitProfile> profile;
const char* delim = strchr(arg, ' ');
if (delim) {
nsCOMPtr<nsIFile> lf;
rv = NS_NewNativeLocalFile(nsDependentCString(delim + 1),
true, getter_AddRefs(lf));
if (NS_FAILED(rv)) {
PR_fprintf(PR_STDERR, "Error: profile path not valid.\n");
return rv;
}
// As with --profile, assume that the given path will be used for the
// main profile directory.
rv = aProfileSvc->CreateProfile(lf, nsDependentCSubstring(arg, delim),
getter_AddRefs(profile));
} else {
rv = aProfileSvc->CreateProfile(nullptr, nsDependentCString(arg),
getter_AddRefs(profile));
}
// Some pathological arguments can make it this far
if (NS_FAILED(rv)) {
PR_fprintf(PR_STDERR, "Error creating profile.\n");
return rv;
}
rv = NS_ERROR_ABORT;
aProfileSvc->Flush();
// XXXben need to ensure prefs.js exists here so the tinderboxes will
// not go orange.
nsCOMPtr<nsIFile> prefsJSFile;
profile->GetRootDir(getter_AddRefs(prefsJSFile));
prefsJSFile->AppendNative(NS_LITERAL_CSTRING("prefs.js"));
nsAutoCString pathStr;
prefsJSFile->GetNativePath(pathStr);
PR_fprintf(PR_STDERR, "Success: created profile '%s' at '%s'\n", arg, pathStr.get());
bool exists;
prefsJSFile->Exists(&exists);
if (!exists) {
// Ignore any errors; we're about to return NS_ERROR_ABORT anyway.
Unused << prefsJSFile->Create(nsIFile::NORMAL_FILE_TYPE, 0644);
}
// XXXdarin perhaps 0600 would be better?
return rv;
}
uint32_t count;
rv = aProfileSvc->GetProfileCount(&count);
NS_ENSURE_SUCCESS(rv, rv);
ar = CheckArg("p", false, &arg);
if (ar == ARG_BAD) {
ar = CheckArg("osint");
if (ar == ARG_FOUND) {
PR_fprintf(PR_STDERR, "Error: argument -p is invalid when argument --osint is specified\n");
return NS_ERROR_FAILURE;
}
if (CanShowProfileManager()) {
return ShowProfileManager(aProfileSvc, aNative);
}
}
if (ar) {
ar = CheckArg("osint");
if (ar == ARG_FOUND) {
PR_fprintf(PR_STDERR, "Error: argument -p is invalid when argument --osint is specified\n");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIToolkitProfile> profile;
rv = aProfileSvc->GetProfileByName(nsDependentCString(arg),
getter_AddRefs(profile));
if (NS_SUCCEEDED(rv)) {
if (gDoProfileReset) {
{
// Check that the source profile is not in use by temporarily acquiring its lock.
nsIProfileLock* tempProfileLock;
nsCOMPtr<nsIProfileUnlocker> unlocker;
rv = profile->Lock(getter_AddRefs(unlocker), &tempProfileLock);
if (NS_FAILED(rv))
return ProfileLockedDialog(profile, unlocker, aNative, &tempProfileLock);
}
nsresult gotName = profile->GetName(gResetOldProfileName);
if (NS_SUCCEEDED(gotName)) {
nsCOMPtr<nsIToolkitProfile> newProfile;
rv = CreateResetProfile(aProfileSvc, gResetOldProfileName, getter_AddRefs(newProfile));
if (NS_FAILED(rv)) {
NS_WARNING("Failed to create a profile to reset to.");
gDoProfileReset = false;
} else {
profile = newProfile;
}
} else {
NS_WARNING("Failed to get the name of the profile we're resetting, so aborting reset.");
gResetOldProfileName.Truncate(0);
gDoProfileReset = false;
}
}
nsCOMPtr<nsIProfileUnlocker> unlocker;
rv = profile->Lock(getter_AddRefs(unlocker), aResult);
if (NS_SUCCEEDED(rv)) {
if (aProfileName)
aProfileName->Assign(nsDependentCString(arg));
return NS_OK;
}
return ProfileLockedDialog(profile, unlocker, aNative, aResult);
}
if (CanShowProfileManager()) {
return ShowProfileManager(aProfileSvc, aNative);
}
}
ar = CheckArg("profilemanager", true);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --profilemanager is invalid when argument --osint is specified\n");
return NS_ERROR_FAILURE;
}
if (ar == ARG_FOUND && CanShowProfileManager()) {
return ShowProfileManager(aProfileSvc, aNative);
}
#ifndef MOZ_DEV_EDITION
// If the only existing profile is the dev-edition-profile and this is not
// Developer Edition, then no valid profiles were found.
if (count == 1) {
nsCOMPtr<nsIToolkitProfile> deProfile;
// GetSelectedProfile will auto-select the only profile if there's just one
aProfileSvc->GetSelectedProfile(getter_AddRefs(deProfile));
nsAutoCString profileName;
deProfile->GetName(profileName);
if (profileName.EqualsLiteral("dev-edition-default")) {
count = 0;
}
}
#endif
if (!count) {
gDoMigration = true;
gDoProfileReset = false;
// create a default profile
nsCOMPtr<nsIToolkitProfile> profile;
nsresult rv = aProfileSvc->CreateProfile(nullptr, // choose a default dir for us
#ifdef MOZ_DEV_EDITION
NS_LITERAL_CSTRING("dev-edition-default"),
#else
NS_LITERAL_CSTRING("default"),
#endif
getter_AddRefs(profile));
if (NS_SUCCEEDED(rv)) {
#ifndef MOZ_DEV_EDITION
aProfileSvc->SetDefaultProfile(profile);
#endif
aProfileSvc->Flush();
rv = profile->Lock(nullptr, aResult);
if (NS_SUCCEEDED(rv)) {
if (aProfileName)
#ifdef MOZ_DEV_EDITION
aProfileName->AssignLiteral("dev-edition-default");
#else
aProfileName->AssignLiteral("default");
#endif
return NS_OK;
}
}
}
bool useDefault = true;
if (count > 1 && CanShowProfileManager()) {
aProfileSvc->GetStartWithLastProfile(&useDefault);
}
if (useDefault) {
nsCOMPtr<nsIToolkitProfile> profile;
// GetSelectedProfile will auto-select the only profile if there's just one
aProfileSvc->GetSelectedProfile(getter_AddRefs(profile));
if (profile) {
// If we're resetting a profile, create a new one and use it to startup.
if (gDoProfileReset) {
{
// Check that the source profile is not in use by temporarily acquiring its lock.
nsIProfileLock* tempProfileLock;
nsCOMPtr<nsIProfileUnlocker> unlocker;
rv = profile->Lock(getter_AddRefs(unlocker), &tempProfileLock);
if (NS_FAILED(rv))
return ProfileLockedDialog(profile, unlocker, aNative, &tempProfileLock);
}
nsresult gotName = profile->GetName(gResetOldProfileName);
if (NS_SUCCEEDED(gotName)) {
nsCOMPtr<nsIToolkitProfile> newProfile;
rv = CreateResetProfile(aProfileSvc, gResetOldProfileName, getter_AddRefs(newProfile));
if (NS_FAILED(rv)) {
NS_WARNING("Failed to create a profile to reset to.");
gDoProfileReset = false;
}
else {
profile = newProfile;
}
}
else {
NS_WARNING("Failed to get the name of the profile we're resetting, so aborting reset.");
gResetOldProfileName.Truncate(0);
gDoProfileReset = false;
}
}
// 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;
nsCOMPtr<nsIProfileUnlocker> unlocker;
const TimeStamp start = TimeStamp::Now();
do {
rv = profile->Lock(getter_AddRefs(unlocker), aResult);
if (NS_SUCCEEDED(rv)) {
StartupTimeline::Record(StartupTimeline::AFTER_PROFILE_LOCKED);
// Try to grab the profile name.
if (aProfileName) {
rv = profile->GetName(*aProfileName);
if (NS_FAILED(rv))
aProfileName->Truncate(0);
}
return NS_OK;
}
PR_Sleep(kLockRetrySleepMS);
} while (TimeStamp::Now() - start < TimeDuration::FromSeconds(kLockRetrySeconds));
return ProfileLockedDialog(profile, unlocker, aNative, aResult);
}
}
if (!CanShowProfileManager()) {
return NS_ERROR_FAILURE;
}
return ShowProfileManager(aProfileSvc, aNative);
}
/**
* 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.
*/
static bool
CheckCompatibility(nsIFile* aProfileDir, const nsCString& aVersion,
const nsCString& aOSABI, nsIFile* aXULRunnerDir,
nsIFile* aAppDir, nsIFile* aFlagFile,
bool* aCachesOK)
{
*aCachesOK = 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;
nsAutoCString buf;
rv = parser.GetString("Compatibility", "LastVersion", buf);
if (NS_FAILED(rv) || !aVersion.Equals(buf))
return false;
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(buf, false,
getter_AddRefs(lf));
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(buf, false,
getter_AddRefs(lf));
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;
aXULRunnerDir->GetNativePath(platformDir);
nsAutoCString appDir;
if (aAppDir)
aAppDir->GetNativePath(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;
}
// 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);
}
}
#ifdef MOZ_CRASHREPORTER
// 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);
}
}
#endif
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);
}
#if (MOZ_WIDGET_GTK == 3)
// 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
}
const char* DetectDisplay(void)
{
bool tryX11 = false;
bool tryWayland = false;
bool tryBroadway = false;
// Honor user backend selection
const char *backend = PR_GetEnv("GDK_BACKEND");
if (!backend || strstr(backend, "*")) {
// Try all backends
tryX11 = true;
tryWayland = true;
tryBroadway = true;
} else if (backend) {
if (strstr(backend, "x11"))
tryX11 = true;
if (strstr(backend, "wayland"))
tryWayland = true;
if (strstr(backend, "broadway"))
tryBroadway = true;
}
const char *display_name;
if (tryX11 && (display_name = PR_GetEnv("DISPLAY"))) {
return display_name;
}
if (tryWayland && (display_name = PR_GetEnv("WAYLAND_DISPLAY"))) {
return display_name;
}
if (tryBroadway && (display_name = PR_GetEnv("BROADWAY_DISPLAY"))) {
return display_name;
}
PR_fprintf(PR_STDERR, "Error: GDK_BACKEND does not match available displays\n");
return nullptr;
}
#endif // MOZ_WIDGET_GTK
/**
* 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_ENABLE_XREMOTE
, 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();
nsCOMPtr<nsINativeAppSupport> mNativeApp;
nsCOMPtr<nsIToolkitProfileService> mProfileSvc;
nsCOMPtr<nsIFile> mProfD;
nsCOMPtr<nsIFile> mProfLD;
nsCOMPtr<nsIProfileLock> mProfileLock;
#ifdef MOZ_ENABLE_XREMOTE
nsCOMPtr<nsIRemoteService> mRemoteService;
nsProfileLock mRemoteLock;
nsCOMPtr<nsIFile> mRemoteLockDir;
#endif
UniquePtr<ScopedXPCOMStartup> mScopedXPCOM;
UniquePtr<XREAppData> mAppData;
nsXREDirProvider mDirProvider;
nsAutoCString mProfileName;
nsAutoCString mDesktopStartupID;
bool mStartOffline;
bool mShuttingDown;
#ifdef MOZ_ENABLE_XREMOTE
bool mDisableRemote;
#endif
#if defined(MOZ_WIDGET_GTK)
GdkDisplay* mGdkDisplay;
#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;
// This workaround is fixed in Rust 1.19. For details, see bug 1358151.
rust_init_please_remove_this_after_updating_rust_1_19();
atexit(UnexpectedExit);
auto expectedShutdown = mozilla::MakeScopeExit([&] {
MozExpectedExit();
});
StartupTimeline::Record(StartupTimeline::MAIN);
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);
}
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
#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", true, &override);
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;
#ifdef MOZ_CRASHREPORTER
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 = mDirProvider.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(NS_LITERAL_CSTRING("StartupCrash"),
NS_LITERAL_CSTRING("1"));
// pass some basic info from the app data
if (mAppData->vendor)
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("Vendor"),
nsDependentCString(mAppData->vendor));
if (mAppData->name)
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("ProductName"),
nsDependentCString(mAppData->name));
if (mAppData->ID)
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("ProductID"),
nsDependentCString(mAppData->ID));
if (mAppData->version)
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("Version"),
nsDependentCString(mAppData->version));
if (mAppData->buildID)
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("BuildID"),
nsDependentCString(mAppData->buildID));
nsDependentCString releaseChannel(NS_STRINGIFY(MOZ_UPDATE_CHANNEL));
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("ReleaseChannel"),
releaseChannel);
#ifdef MOZ_LINKER
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("CrashAddressLikelyWrong"),
IsSignalHandlingBroken() ? NS_LITERAL_CSTRING("1")
: NS_LITERAL_CSTRING("0"));
#endif
#ifdef XP_WIN
nsAutoString appInitDLLs;
if (widget::WinUtils::GetAppInitDLLs(appInitDLLs)) {
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("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);
}
}
}
#endif
#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=");
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;
if (EnvHasValue("MOZ_SAFE_MODE_RESTART")) {
gSafeMode = true;
// unset the env variable
SaveToEnv("MOZ_SAFE_MODE_RESTART=");
}
ar = CheckArg("safe-mode", true);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --safe-mode is invalid when argument --osint is specified\n");
return 1;
}
if (ar == ARG_FOUND) {
gSafeMode = true;
}
#ifdef XP_WIN
// If the shift key is pressed and the ctrl and / or alt keys are not pressed
// during startup start in safe mode. GetKeyState returns a short and the high
// order bit will be 1 if the key is pressed. By masking the returned short
// with 0x8000 the result will be 0 if the key is not pressed and non-zero
// otherwise.
if ((GetKeyState(VK_SHIFT) & 0x8000) &&
!(GetKeyState(VK_CONTROL) & 0x8000) &&
!(GetKeyState(VK_MENU) & 0x8000) &&
!EnvHasValue("MOZ_DISABLE_SAFE_MODE_KEY")) {
gSafeMode = true;
}
#endif
#ifdef XP_MACOSX
if ((GetCurrentEventKeyModifiers() & optionKey) &&
!EnvHasValue("MOZ_DISABLE_SAFE_MODE_KEY"))
gSafeMode = true;
#endif
#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;
}
}
}
}
#ifdef MOZ_CRASHREPORTER
if (cpuUpdateRevision > 0) {
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("CPUMicrocodeVersion"),
nsPrintfCString("0x%x",
cpuUpdateRevision));
}
#endif
}
#endif
#ifdef MOZ_CRASHREPORTER
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("SafeMode"),
gSafeMode ? NS_LITERAL_CSTRING("1") :
NS_LITERAL_CSTRING("0"));
#endif
// 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", true);
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");
}
ar = CheckArg("new-instance", true);
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) {
SaveToEnv("MOZ_NEW_INSTANCE=1");
}
// 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", true);
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 MOZ_CRASHREPORTER
#ifdef XP_WIN
/**
* Uses WMI to read some manufacturer information that may be useful for
* diagnosing hardware-specific crashes. This function is best-effort; failures
* shouldn't burden the caller. COM must be initialized before calling.
*/
static void AnnotateSystemManufacturer()
{
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;
}
RefPtr<IEnumWbemClassObject> enumerator;
hr = services->ExecQuery(_bstr_t(L"WQL"), _bstr_t(L"SELECT * FROM Win32_BIOS"),
WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
nullptr, getter_AddRefs(enumerator));
if (FAILED(hr) || !enumerator) {
return;
}
RefPtr<IWbemClassObject> classObject;
ULONG results;
hr = enumerator->Next(WBEM_INFINITE, 1, getter_AddRefs(classObject), &results);
if (FAILED(hr) || results == 0) {
return;
}
VARIANT value;
VariantInit(&value);
hr = classObject->Get(L"Manufacturer", 0, &value, 0, 0);
if (SUCCEEDED(hr) && V_VT(&value) == VT_BSTR) {
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("BIOS_Manufacturer"),
NS_ConvertUTF16toUTF8(V_BSTR(&value)));
}
VariantClear(&value);
}
static void PR_CALLBACK AnnotateSystemManufacturer_ThreadStart(void*)
{
HRESULT hr = CoInitialize(nullptr);
if (FAILED(hr)) {
return;
}
AnnotateSystemManufacturer();
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)
#endif
#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
gShutdownChecks = SCM_CRASH;
#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
// 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;
}
}
}
/*
* 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
#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 */
#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) || defined(MOZ_ENABLE_XREMOTE)
// 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.
#if (MOZ_WIDGET_GTK == 2)
if (CheckArg("install"))
gdk_rgb_set_install(TRUE);
#endif
// 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 (MOZ_WIDGET_GTK == 3) && defined(MOZ_X11)
// Disable XInput2 support due to focus bugginess. See bugs 1182700, 1170342.
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 LIBFUZZER
if (PR_GetEnv("LIBFUZZER")) {
*aExitFlag = true;
return mozilla::libFuzzerRunner->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;
}
#if defined(MOZ_WIDGET_GTK)
// display_name is owned by gdk.
const char *display_name = nullptr;
bool saveDisplayArg = false;
if (!gfxPlatform::IsHeadless()) {
display_name = gdk_get_display_arg_name();
if (display_name) {
saveDisplayArg = true;
} else {
display_name = DetectDisplay();
if (!display_name) {
return 1;
}
}
}
#endif /* MOZ_WIDGET_GTK */
#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()) {
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 (!gfxPlatform::IsHeadless() && GDK_IS_X11_DISPLAY(mGdkDisplay)) {
if (saveDisplayArg) {
SaveWordToEnv("DISPLAY", nsDependentCString(display_name));
}
} else {
mDisableRemote = true;
}
#endif
#ifdef MOZ_ENABLE_XREMOTE
// handle --remote now that xpcom is fired up
bool newInstance;
{
char *e = PR_GetEnv("MOZ_NO_REMOTE");
mDisableRemote = (mDisableRemote || (e && *e));
if (mDisableRemote) {
newInstance = true;
} else {
e = PR_GetEnv("MOZ_NEW_INSTANCE");
newInstance = (e && *e);
}
}
if (!newInstance) {
nsAutoCString program(gAppData->remotingName);
ToLowerCase(program);
const char* username = getenv("LOGNAME");
const char* profile = nullptr;
RemoteResult rr = ParseRemoteCommandLine(program, &profile, &username);
if (rr == REMOTE_ARG_BAD) {
return 1;
}
if (!username) {
struct passwd *pw = getpwuid(geteuid());
if (pw && pw->pw_name) {
// Beware that another call to getpwent/getpwname/getpwuid will overwrite
// pw, but we don't have such another call between here and when username
// is used last.
username = pw->pw_name;
}
}
nsCOMPtr<nsIFile> mutexDir;
rv = GetSpecialSystemDirectory(OS_TemporaryDirectory, getter_AddRefs(mutexDir));
if (NS_SUCCEEDED(rv)) {
nsAutoCString mutexPath = program + NS_LITERAL_CSTRING("_");
// In the unlikely even that LOGNAME is not set and getpwuid failed, just
// don't put the username in the mutex directory. It will conflict with
// other users mutex, but the worst that can happen is that they wait for
// MOZ_XREMOTE_START_TIMEOUT_SEC during startup in that case.
if (username) {
mutexPath.Append(username);
}
if (profile) {
mutexPath.Append(NS_LITERAL_CSTRING("_") + nsDependentCString(profile));
}
mutexDir->AppendNative(mutexPath);
rv = mutexDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
if (NS_SUCCEEDED(rv) || rv == NS_ERROR_FILE_ALREADY_EXISTS) {
mRemoteLockDir = mutexDir;
}
}
if (mRemoteLockDir) {
const TimeStamp epoch = mozilla::TimeStamp::Now();
do {
rv = mRemoteLock.Lock(mRemoteLockDir, nullptr);
if (NS_SUCCEEDED(rv))
break;
sched_yield();
} while ((TimeStamp::Now() - epoch)
< TimeDuration::FromSeconds(MOZ_XREMOTE_START_TIMEOUT_SEC));
if (NS_FAILED(rv)) {
NS_WARNING("Cannot lock XRemote start mutex");
}
}
// Try to remote the entire command line. If this fails, start up normally.
const char* desktopStartupIDPtr =
mDesktopStartupID.IsEmpty() ? nullptr : mDesktopStartupID.get();
rr = StartRemoteClient(desktopStartupIDPtr, program, profile, username);
if (rr == REMOTE_FOUND) {
*aExitFlag = true;
return 0;
}
if (rr == REMOTE_ARG_BAD) {
return 1;
}
}
#endif
#if defined(MOZ_WIDGET_GTK)
g_set_application_name(mAppData->name);
gtk_window_set_auto_startup_notification(false);
#if (MOZ_WIDGET_GTK == 2)
gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
#endif /* (MOZ_WIDGET_GTK == 2) */
#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", false, &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;
}
rv = SelectProfile(getter_AddRefs(mProfileLock), mProfileSvc, mNativeApp, &mStartOffline,
&mProfileName);
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;
}
gProfileLock = mProfileLock;
rv = mProfileLock->GetDirectory(getter_AddRefs(mProfD));
NS_ENSURE_SUCCESS(rv, 1);
rv = mProfileLock->GetLocalDirectory(getter_AddRefs(mProfLD));
NS_ENSURE_SUCCESS(rv, 1);
rv = mDirProvider.SetProfile(mProfD, mProfLD);
NS_ENSURE_SUCCESS(rv, 1);
//////////////////////// NOW WE HAVE A PROFILE ////////////////////////
mozilla::Telemetry::SetProfileDir(mProfD);
#ifdef MOZ_CRASHREPORTER
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER)
MakeOrSetMinidumpPath(mProfD);
CrashReporter::SetProfileDirectory(mProfD);
#endif
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;
rv = NS_ERROR_FILE_NOT_FOUND;
nsCOMPtr<nsIFile> fFlagFile;
if (mAppData->directory) {
rv = mAppData->directory->Clone(getter_AddRefs(fFlagFile));
}
flagFile = do_QueryInterface(fFlagFile);
if (flagFile) {
flagFile->AppendNative(FILE_INVALIDATE_CACHES);
}
bool cachesOK;
bool versionOK = CheckCompatibility(mProfD, version, osABI,
mDirProvider.GetGREDir(),
mAppData->directory, flagFile,
&cachesOK);
if (CheckArg("purgecaches")) {
cachesOK = false;
}
if (PR_GetEnv("MOZ_PURGE_CACHES")) {
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_CRASHREPORTER)
#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(
NS_LITERAL_CSTRING("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();
#endif
CrashReporter::AnnotateCrashReport(
NS_LITERAL_CSTRING("ContentSandboxCapable"),
sandboxCapable ? NS_LITERAL_CSTRING("1") : NS_LITERAL_CSTRING("0"));
}
#endif /* MOZ_CONTENT_SANDBOX */
#endif /* MOZ_CRASHREPORTER */
/*
* 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.");
#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);
#ifdef MOZ_CRASHREPORTER
// 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)) {
nsCString sval;
rv = defaultPrefBranch->GetCharPref("app.update.channel", getter_Copies(sval));
if (NS_SUCCEEDED(rv)) {
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("ReleaseChannel"),
sval);
}
}
}
// Needs to be set after xpcom initialization.
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("FramePoisonBase"),
nsPrintfCString("%.16" PRIu64, uint64_t(gMozillaPoisonBase)));
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("FramePoisonSize"),
nsPrintfCString("%" PRIu32, uint32_t(gMozillaPoisonSize)));
bool includeContextHeap =
Preferences::GetBool("toolkit.crashreporter.include_context_heap", false);
CrashReporter::SetIncludeContextHeap(includeContextHeap);
#ifdef XP_WIN
PR_CreateThread(PR_USER_THREAD, AnnotateSystemManufacturer_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
#endif
if (mStartOffline) {
nsCOMPtr<nsIIOService2> 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;
}
}
}
}
{
nsCOMPtr<nsIToolkitProfile> profileBeingReset;
bool profileWasSelected = false;
if (gDoProfileReset) {
if (gResetOldProfileName.IsEmpty()) {
NS_WARNING("Not resetting profile as the profile has no name.");
gDoProfileReset = false;
} else {
rv = mProfileSvc->GetProfileByName(gResetOldProfileName,
getter_AddRefs(profileBeingReset));
if (NS_FAILED(rv)) {
gDoProfileReset = false;
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIToolkitProfile> defaultProfile;
// This can fail if there is no default profile.
// That shouldn't stop reset from proceeding.
nsresult gotSelected = mProfileSvc->GetSelectedProfile(getter_AddRefs(defaultProfile));
if (NS_SUCCEEDED(gotSelected)) {
profileWasSelected = defaultProfile == profileBeingReset;
}
}
}
// 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;
if (gDoProfileReset) {
// Automatically migrate from the current application if we just
// reset the profile.
aKey = MOZ_APP_NAME;
}
pm->Migrate(&mDirProvider, aKey, gResetOldProfileName);
}
}
if (gDoProfileReset) {
nsresult backupCreated = ProfileResetCleanup(profileBeingReset);
if (NS_FAILED(backupCreated)) NS_WARNING("Could not cleanup the profile that was reset");
nsCOMPtr<nsIToolkitProfile> newProfile;
rv = GetCurrentProfile(mProfileSvc, mProfD, getter_AddRefs(newProfile));
if (NS_SUCCEEDED(rv)) {
newProfile->SetName(gResetOldProfileName);
mProfileName.Assign(gResetOldProfileName);
// Set the new profile as the default after we're done cleaning up the old profile,
// iff that profile was already the default
if (profileWasSelected) {
rv = mProfileSvc->SetDefaultProfile(newProfile);
if (NS_FAILED(rv)) NS_WARNING("Could not set current profile as the default");
}
} else {
NS_WARNING("Could not find current profile to set as default / change name.");
}
// Need to write out the fact that the profile has been removed, the new profile
// renamed, and potentially that the selected/default profile changed.
mProfileSvc->Flush();
}
}
// Initialize user preferences before notifying startup observers so they're
// ready in time for early consumers, such as the component loader.
mDirProvider.InitializeUserPrefs();
{
nsCOMPtr<nsIObserver> startupNotifier
(do_CreateInstance(NS_APPSTARTUPNOTIFIER_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
startupNotifier->Observe(nullptr, APPSTARTUP_TOPIC, nullptr);
}
nsCOMPtr<nsIAppStartup> appStartup
(do_GetService(NS_APPSTARTUP_CONTRACTID));
NS_ENSURE_TRUE(appStartup, NS_ERROR_FAILURE);
mDirProvider.DoStartup();
OverrideDefaultLocaleIfNeeded();
#ifdef MOZ_CRASHREPORTER
nsCString userAgentLocale;
LocaleService::GetInstance()->GetAppLocaleAsLangTag(userAgentLocale);
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("useragent_locale"), userAgentLocale);
#endif
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 = do_CreateInstance("@mozilla.org/toolkit/command-line;1");
NS_ENSURE_TRUE(cmdLine, NS_ERROR_FAILURE);
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());
}
#if defined(MOZ_SANDBOX)
// Call SandboxBroker to cache directories needed for policy rules, this must
// be called after mDirProvider.DoStartup as it needs the profile dir.
SandboxBroker::CacheRulesDirectories();
#endif
#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_PROFILE_NAME=");
SaveToEnv("XRE_START_OFFLINE=");
SaveToEnv("NO_EM_RESTART=");
SaveToEnv("XUL_APP_FILE=");
SaveToEnv("XRE_BINARY_PATH=");
if (!mShuttingDown) {
rv = appStartup->CreateHiddenWindow();
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
#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 = do_CreateInstance("@mozilla.org/toolkit/command-line;1");
NS_ENSURE_TRUE(cmdLine, NS_ERROR_FAILURE);
CommandLineServiceMac::SetupMacCommandLine(gArgc, gArgv, false);
rv = cmdLine->Init(gArgc, gArgv,
workingDir, nsICommandLine::STATE_INITIAL_LAUNCH);
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();
#ifdef MOZ_CRASHREPORTER
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("StartupCrash"),
NS_LITERAL_CSTRING("0"));
#endif
appStartup->GetShuttingDown(&mShuttingDown);
}
if (!mShuttingDown) {
rv = cmdLine->Run();
NS_ENSURE_SUCCESS_LOG(rv, NS_ERROR_FAILURE);
appStartup->GetShuttingDown(&mShuttingDown);
}
if (!mShuttingDown) {
#ifdef MOZ_ENABLE_XREMOTE
// if we have X remote support, start listening for requests on the
// proxy window.
if (!mDisableRemote)
mRemoteService = do_GetService("@mozilla.org/toolkit/remote-service;1");
if (mRemoteService)
mRemoteService->Startup(mAppData->remotingName, mProfileName.get());
if (mRemoteLockDir) {
mRemoteLock.Unlock();
mRemoteLock.Cleanup();
mRemoteLockDir->Remove(false);
}
#endif /* MOZ_ENABLE_XREMOTE */
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));
#if defined(MOZ_CRASHREPORTER)
nsAutoCString flagsString;
flagsString.AppendInt(sandboxInfo.AsInteger());
CrashReporter::AnnotateCrashReport(
NS_LITERAL_CSTRING("ContentSandboxCapabilities"), flagsString);
#endif /* MOZ_CRASHREPORTER */
#endif /* MOZ_SANDBOX && XP_LINUX */
#if defined(MOZ_CRASHREPORTER)
#if defined(MOZ_CONTENT_SANDBOX)
AddSandboxAnnotations();
#endif /* MOZ_CONTENT_SANDBOX */
#endif /* MOZ_CRASHREPORTER */
{
rv = appStartup->Run();
if (NS_FAILED(rv)) {
NS_ERROR("failed to run appstartup");
gLogConsoleErrors = true;
}
}
return rv;
}
#if MOZ_WIDGET_GTK == 2
void XRE_GlibInit()
{
static bool ran_once = false;
// glib < 2.24 doesn't want g_thread_init to be invoked twice, so ensure
// we only do it once. No need for thread safety here, since this is invoked
// well before any thread is spawned.
if (!ran_once) {
// glib version < 2.36 doesn't initialize g_slice in a static initializer.
// Ensure this happens through g_thread_init (glib version < 2.32) or
// g_type_init (2.32 <= gLib version < 2.36)."
g_thread_init(nullptr);
g_type_init();
ran_once = true;
}
}
#endif
/*
* 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();
#if defined(MOZ_SANDBOX) && defined(XP_LINUX) && !defined(ANDROID)
SandboxInfo::ThreadingCheck();
#endif
#ifdef MOZ_CODE_COVERAGE
CodeCoverageHandler::Init();
#endif
char aLocal;
AutoProfilerInit profilerInit(&aLocal);
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(argv[0], 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(gArgv[0], 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::MainThreadRuntime msCOMRuntime;
#endif
#if MOZ_WIDGET_GTK == 2
XRE_GlibInit();
#endif
// init
bool exit = false;
int result = XRE_mainInit(&exit);
if (result != 0 || exit)
return result;
// 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) {
#ifdef MOZ_ENABLE_XREMOTE
// shut down the x remote proxy window
if (mRemoteService) {
mRemoteService->Shutdown();
}
#endif /* MOZ_ENABLE_XREMOTE */
}
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);
SaveWordToEnvIfUnset("XRE_PROFILE_NAME", mProfileName);
}
#ifdef MOZ_WIDGET_GTK
if (!gfxPlatform::IsHeadless()) {
MOZ_gdk_display_close(mGdkDisplay);
}
#endif
{
rv = LaunchChild(mNativeApp, true);
}
#ifdef MOZ_CRASHREPORTER
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER)
CrashReporter::UnsetExceptionHandler();
#endif
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
#ifdef MOZ_CRASHREPORTER
if (mAppData->flags & NS_XRE_ENABLE_CRASH_REPORTER)
CrashReporter::UnsetExceptionHandler();
#endif
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(aArgv[0], 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
const char *path = nullptr;
ArgResult ar = CheckArg("greomni", false, &path);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --greomni requires a path argument\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", false, &path);
if (ar == ARG_BAD) {
PR_fprintf(PR_STDERR, "Error: argument --appomni requires a path argument\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_IsGPUProcess()
{
return XRE_GetProcessType() == GeckoProcessType_GPU;
}
/**
* Returns true in the e10s parent process and in the main process when e10s
* is disabled.
*/
bool
XRE_IsParentProcess()
{
return XRE_GetProcessType() == GeckoProcessType_Default;
}
bool
XRE_IsE10sParentProcess()
{
return XRE_IsParentProcess() && BrowserTabsRemoteAutostart();
}
bool
XRE_IsContentProcess()
{
return XRE_GetProcessType() == GeckoProcessType_Content;
}
bool
XRE_UseNativeEventProcessing()
{
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 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,
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";
uint32_t
MultiprocessBlockPolicy()
{
if (XRE_IsContentProcess()) {
// If we're in a content process, we're not blocked.
return 0;
}
/**
* Avoids enabling e10s if there are add-ons installed.
*/
bool addonsCanDisable = Preferences::GetBool("extensions.e10sBlocksEnabling", false);
bool disabledByAddons = Preferences::GetBool("extensions.e10sBlockedByAddons", false);
#ifdef MOZ_CRASHREPORTER
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("AddonsShouldHaveBlockedE10s"),
disabledByAddons ? NS_LITERAL_CSTRING("1")
: NS_LITERAL_CSTRING("0"));
#endif
if (addonsCanDisable && disabledByAddons) {
return kE10sDisabledForAddons;
}
/*
* None of the blocking policies matched, so e10s is allowed to run. Return
* 0, indicating success.
*/
return 0;
}
namespace mozilla {
static void
CohortChanged(const char* aPref, void* aClosure)
{
// Reset to the default state and recompute on the next call.
gBrowserTabsRemoteAutostartInitialized = false;
gBrowserTabsRemoteAutostart = false;
Preferences::UnregisterCallback(CohortChanged, "e10s.rollout.cohort");
}
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;
}
// This is a pretty heinous hack. On the first launch, we end up retrieving
// whether e10s is enabled setting up a document very early in startup. This
// caches that e10s is off before the e10srollout extension can run. See
// bug 1372824 comment 3 for a more thorough explanation.
if (!gListeningForCohortChange) {
gListeningForCohortChange = true;
Preferences::RegisterCallback(CohortChanged, "e10s.rollout.cohort");
}
bool optInPref = Preferences::GetBool("browser.tabs.remote.autostart", false);
bool trialPref = Preferences::GetBool("browser.tabs.remote.autostart.2", false);
bool prefEnabled = optInPref || trialPref;
int status;
if (optInPref) {
status = kE10sEnabledByUser;
} else if (trialPref) {
status = kE10sEnabledByDefault;
} else {
status = kE10sDisabledByUser;
}
if (prefEnabled) {
uint32_t blockPolicy = MultiprocessBlockPolicy();
if (blockPolicy != 0) {
status = blockPolicy;
} else {
gBrowserTabsRemoteAutostart = true;
}
}
// Uber override pref for manual testing purposes
if (Preferences::GetBool(kForceEnableE10sPref, false)) {
gBrowserTabsRemoteAutostart = true;
prefEnabled = 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;
mozilla::Telemetry::Accumulate(mozilla::Telemetry::E10S_STATUS, status);
if (prefEnabled) {
mozilla::Telemetry::Accumulate(mozilla::Telemetry::E10S_BLOCKED_FROM_RUNNING,
!gBrowserTabsRemoteAutostart);
}
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);
const char* useDefaultPerformanceSettings =
"browser.preferences.defaultPerformanceSettings.enabled";
bool useDefaultPerformanceSettingsValue =
Preferences::GetBool(useDefaultPerformanceSettings, true);
// If the user has set dom.ipc.processCount, or if they have opt out of
// default performances settings from about:preferences, respect their
// decision regardless of add-ons that might affect their experience or
// experiment cohort.
if (Preferences::HasUserValue(optInPref) || !useDefaultPerformanceSettingsValue) {
return std::max(1u, optInPrefValue);
}
#ifdef RELEASE_OR_BETA
// For our rollout on Release and Beta, we set this pref from the
// e10srollout extension. On Nightly, we don't touch the pref at all,
// allowing stale values to disable e10s-multi for certain users.
if (Preferences::HasUserValue("dom.ipc.processCount.web")) {
// The user didn't opt in or out so read the .web version of the pref.
return std::max(1, Preferences::GetInt("dom.ipc.processCount.web", 1));
}
#endif
return 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
#if defined (DEBUG) && defined(XP_WIN)
// Send MSCRT Warnings, Errors and Assertions to stderr.
// See http://msdn.microsoft.com/en-us/library/1y71x448(v=VS.80).aspx
// and http://msdn.microsoft.com/en-us/library/a68f826y(v=VS.80).aspx.
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_CrtSetReportHook(MSCRTReportHook);
#endif
InstallSignalHandlers(progname);
// Unbuffer stdout, needed for tinderbox tests.
setbuf(stdout, 0);
}
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();
}
}
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