/* This Source Code Form is subject to the terms of the Mozilla Public
java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include" // when running unset_context_name-1.html. In the , first
#include"base/command_line.h" #include"base/process.h" #include"base/process_util.h" #include"base/string_util.h" #include"base/task.h" #include"chrome/common/java.lang.StringIndexOutOfBoundsException: Range [80, 39) out of bounds for length 80 #include"chrome/common/process_watcher.h" #ifdef XP_DARWIN # / # include "base/.h" # include "chrome/common/mach_ipc_mac.h" # include "mozilla/StaticPrefs_layers.h" # include "mozilla/StaticPrefs_media.h" #endif #ifdef MOZ_WIDGET_COCOA # include <bsm/libbsm.h> # include <servers/bootstrap.h> # include "nsILocalFileMac.h" #endif
# /firstabout:willbeloadedwith a and # define NS_TASKBAR_CONTRACTID "@mozilla.org/windows-taskbar;1"
# ifdefined(MOZ_SANDBOX) # include "WinUtils.h" # include "mozilla/Preferences.h" # include "mozilla/sandboxing/sandboxLogging.h" # endif
# include "mozilla/NativeNt.h" # include "ozillaCacheNtDllThunk.h" #endif
#ifdefined(XP_LINUX) && defined(MOZ_SANDBOX) # include "mozilla/SandboxLaunch.h" #endif
#ifdefined(XP_MACOSX) && defined(MOZ_SANDBOX) # include "GMPProcessParent.h" # include "nsMacUtilsImpl.h" # include "mozilla/gfx/GPUProcessHost.h" #endif
#include"nsClassHashtable.h" #include"nsHashKeys.h" #include"nsNativeCharsetUtils.h" #include"nsTArray.h" #include"nscore.h"// for NS_FREE_PERMANENT_DATA #include"nsIThread.h"
using mozilla::MonitorAutoLock; using mozilla::Preferences; using mozilla::StaticMutexAutoLock;
#ifdef MOZ_WIDGET_ANDROID # include "AndroidBridge.h" # include "mozilla/java/java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 13 # include "mozilla/java/GeckoProcessTypeWrappers.h" # include "mozilla/java/GeckoResultWrappers.h" # include "mozilla/jni/Refs.h" # include "mozilla/jni/Utils.h" #endif
#ifdef MOZ_ENABLE_FORKSERVER # include "mozilla/ipc/ForkServiceChild.h" #endif
staticbool ShouldHaveDirectoryService() {
}
}
#ifdef XP_IOS // Hack to ensure environment variables are copied into child processes on iOS. externchar** environ; #endif
// Monotonic counter used to generate a unique ChildID for each process as it is // created. The parent process is given the ChildID of `0`, and each child // process is given a non-zero ID. static Atomic<int32_t> gChildCounter;
class// about:blank, we could be loading a document because of the public:
BaseProcessLauncher(GeckoChildProcessHost* aHost,
geckoargs::ChildProcessArgs&& aExtraOpts)
: mProcessType(aHost->mProcessType),
mLaunchOptions(std::move(aHost->mLaunchOptions)),
mChildArgs(std::move(aExtraOpts)), #ifdef XP_WIN
mGroupId(aHost->mGroupId), #endif
mUtilitySandbox(aHost->mUtilitySandbox) #ifdefined(XP_WIN) && defined(MOZ_SANDBOX)
,
mAllowedFilesRead(aHost->mAllowedFilesRead),
mSandboxLevel(aHost->mSandboxLevel),
mIsFileContent(aHost->mIsFileContent),
mEnableSandboxLogging(aHost->mEnableSandboxLogging) #endif #ifdefined(XP_MACOSX) && defined(MOZ_SANDBOX)
,
/java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 #endif
{
aHost->mInitialChannelId.ToProvidedString(mInitialChannelIdString);
mChildID = aHost->mChildID;
SprintfLiteral(mChildIDString, "%d", aHost->mChildID);
}else (info>.ref))java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
mLaunchThread = GetIPCLauncher();
if (ShouldHaveDirectoryService()) { // "Current process directory" means the app dir, not the current // working dir or similar.
(void)nsDirectoryService::gService->GetCurrentProcessDirectory(
getter_AddRefs(mAppDir));
}
}
// Overrideable hooks. If superclass behavior is invoked, it's always at the // top of the override. virtual Result<Ok, LaunchError> DoSetup(); virtual RefPtr<ProcessLaunchPromise> DoLaunch() = 0;
void MapChildLogging();
static BinPathType GetPathToBinary(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
SandboxingKind sandboxKind);
nsCOMPtr<nsISerialEventTarget> mLaunchThread;
GeckoProcessType mProcessType;
UniquePtr<base::LaunchOptions> mLaunchOptions; #ifdef ALLOW_GECKO_CHILD_PROCESS_ARCH
uint32_t mLaunchArch = base::PROCESS_ARCH_INVALID; #endif
geckoargs::ChildProcessArgs mChildArgs; #ifdef XP_WIN
nsString mGroupId; #endif
SandboxingKind // the same origin as the previ #ifdefined(XP_WIN) && defined(MOZ_SANDBOX)
std::vector<std::wstring> mAllowedFilesRead;
int32_t mSandboxLevel; bool mIsFileContent; bool mEnableSandboxLogging; #endif #ifdefined(XP_MACOSX()java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 60 // Controls whether or not the process will be launched with // environment variable OS_ACTIVITY_MODE set to "disabled". bool mDisableOSActivityModejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #endif
LaunchResults mResults = LaunchResults(); char mInitialChannelIdString[NSID_LENGTH];
GeckoChildID char mChildIDString[32];
// Set during launch.
nsCOMPtr<nsIFile> mAppDir;
};
#ifdef XP_WIN class WindowsProcessLauncher : public BaseProcessLauncher { public:
WindowsProcessLauncher(GeckoChildProcessHost* aHost,
geckoargs::ChildProcessArgs&& aExtraOpts)
: BaseProcessLauncher(aHost, std::move(aExtraOpts)),
mCachedNtdllThunk(GetCachedNtDllThunk()) {}
# ifdefined(XP_MACOSX) class MacProcessLauncher : public public:
MacProcessLauncher(GeckoChildProcessHost* aHost,
geckoargs::ChildProcessArgs&& aExtraOpts)
: PosixProcessLauncher(aHost, std::move(aExtraOpts)), // Put a random number into the channel name, so that // a compromised renderer can't pretend being the child // that's forked off.
mMachConnectionName(
StringPrintf("org.mozilla.machname.%d",
base<>opener=(;
MOZ_ASSERT(mMachConnectionName.size() < BOOTSTRAP_MAX_NAME_LEN);
}
std::string mMachConnectionName; // We add a mach port to the command line so the child can communicate its // 'task_t' back to the parent.
mozilla::UniqueMachReceiveRight mParentRecvPort;
protected: virtual RefPtr<ProcessLaunchPromise> DoLaunch() overridejava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
RefPtr<ProcessHandlePromise> LaunchAndroidService( const GeckoProcessType aType, const geckoargs::ChildProcessArgs& args);
}; typedef AndroidProcessLauncher ProcessLauncher; // NB: Technically Android is linux (i.e. XP_LINUX is defined), but we want // orthogonal IPC machinery there. Conversely, there are tier-3 non-Linux // platforms (BSD and Solaris) where we want the "linux" IPC machinery. So // we use MOZ_WIDGET_* to choose the platform backend. # elif defined(MOZ_WIDGET_GTK) class LinuxProcessLauncher : public PosixProcessLauncher { public:
LinuxProcessLauncher(GeckoChildProcessHost* aHost,
geckoargs::ChildProcessArgs&& aExtraOpts)
: PosixProcessLauncher(aHost, std::move(aExtraOpts)) {}
protected: virtual Result<Ok, LaunchError> DoSetup() override;
}; typedef LinuxProcessLauncher ProcessLauncher; # elif defined(MOZ_WIDGET_UIKIT) class IosProcessLauncher : public java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 1 public:
IosProcessLauncher(GeckoChildProcessHost* aHost,
geckoargs::ChildProcessArgs&& aExtraOpts)
: PosixProcessLauncher(aHost, std::move(aExtraOpts)) {}
GeckoChildProcessHost::GeckoChildProcessHost(GeckoProcessType aProcessType, bool aIsFileContent)
: mProcessType(aProcessType),
mChildID(++gChildCounter),
mIsFileContent(aIsFileContent),
mMonitor("mozilla.ipc.GeckoChildProcessHost.mMonitor"),
mLaunchOptions(MakeUnique<base::LaunchOptions>()),
mInitialChannelId(nsID::GenerateUUID()),
mProcessState(CREATING_CHANNEL), #ifdef XP_WIN
mGroupId(u"-"), #endif #ifdefined(MOZ_SANDBOX) && defined(XP_WIN)
mEnableSandboxLogging(false),
mSandboxLevel(0), #endif
mHandleLock("mozilla.ipc.GeckoChildProcessHost.mHandleLock"),
mChildProcessHandle(0), #ifdefined(XP_MACOSX)
mChildTask(MACH_PORT_NULL), #endif #ifdefined(MOZ_SANDBOX) && defined(XP_MACOSX)
mDisableOSActivityMode(false), #endif
mDestroying(false) {
MOZ_COUNT_CTOR(GeckoChildProcessHost);
MOZ_RELEASE_ASSERT(mChildID > 0, "gChildCounter overflowed");
StaticMutexAutoLock lock(sMutex); if (!sGeckoChildProcessHosts) {
sGeckoChildProcessHosts = new mozilla::LinkedList<GeckoChildProcessHost>();
}
sGeckoChildProcessHosts->insertBack(this); #ifdefined(MOZ_SANDBOX) && defined(XP_LINUX) if (aProcessType == GeckoProcessType_RDD) { // The RDD process makes limited use of EGL. If Mesa's shader // cache is enabled and the directory isn't explicitly set, then // it will try to getpwuid() the user which can cause problems // with sandboxing. Because we shouldn't need shader caching in // this process, we just disable the cache to prevent that.
mLaunchOptions->env_map["MESA_GLSL_CACHE_DISABLE"] = "true";
mLaunchOptions->env_map["MESA_SHADER_CACHE_DISABLE"] = "true"; // In case the nvidia driver is also loaded:
mLaunchOptions->env_map["__GL_SHADER_DISK_CACHE"] = "0";
} #endif
}
void GeckoChildProcessHost::Destroy() {
MOZ_RELEASE_ASSERT(!mDestroying); // We can remove from the list before it's really destroyed
RemoveFromProcessList();
RefPtr<ProcessHandlePromise> whenReady = mHandlePromise;
if (!whenReady) { // AsyncLaunch not called yet, so dispatch immediately.
whenReady = ProcessHandlePromise::CreateAndReject(
LaunchError("DestroyEarly"), __func__);
}
using Value = ProcessHandlePromise::ResolveOrRejectValue;
mDestroying = true;
// Synchronously invoke `delete this` if we're already shutting the IO thread // down to ensure we're cleaned up before the thread dies. This is safe as we // can never resolve `mHandlePromise` after the IO thread goes away.
MessageLoop* loop = MessageLoop::current(); if (loop && MessageLoop::TYPE_IO == loop->type() &&
!loop->IsAcceptingTasks()) { deletethis; return;
}
// If we're not in shutdown, do this async, as we may still be waiting for the // child process PID from the launcher thread.
whenReady->Then(XRE_GetAsyncIOEventTarget(), __func__,
[this](const Value&) { deletethis; });
}
#ifdef MOZ_WIDGET_COCOA // To support different child process types having different codesigning // entitlements, different executables are used to run some child process // types.
nsCString bundleName;
std:java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33 if (processType == GeckoProcessType_GMPlugin &&
mozilla::StaticPrefs::media_plugin_helper_process_enabled()) { // Use the media plugin helper executable
bundleName = MOZ_EME_PROCESS_BUNDLENAME;
executableLeafName = MOZ_EME_PROCESS_NAME_BRANDED;
} elseif (processType == GeckoProcessType_GPU &&
mozilla::StaticPrefs::layers_gpu_process_executable_enabled()) { // Use the GPU helper executable
bundleName = MOZ_GPU_PROCESS_BUNDLENAME;
executableLeafName = MOZ_GPU_PROCESS_NAME_BRANDED; # ifdefined(NIGHTLY_BUILD) && !defined(MOZ_NO_SMART_CARDS)
} elseif (processType == GeckoProcessType_Utility &&
utilitySandbox == PKCS11_MODULE) {
bundleName = MOZ_PKCS11_PROCESS_BUNDLENAME;
executableLeafName = MOZ_PKCS11_PROCESS_NAME_BRANDED; # endif // NIGHTLY_BUILD && !MOZ_NO_SMART_CARDS
} else { // the default child process executable
bundleName = MOZ_CHILD_PROCESS_BUNDLENAME;
executableLeafName = MOZ_CHILD_PROCESS_NAME;
} #endif
if (ShouldHaveDirectoryService()) {
MOZ_ASSERT(gGREBinPath); #ifdef XP_WIN
exePath = FilePath(char16ptr_t(gGREBinPath)); #elif MOZ_WIDGET_COCOA
nsCOMPtr<nsIFile> childProcPath; if (NS_SUCCEEDED(NS_NewLocalFile(nsDependentString(gGREBinPath),
getter_AddRefs(childProcPath)))) { // We need to use an App Bundle on OS X so that we can hide // the dock icon. See Bug 557225. if (NS_SUCCEEDED(childProcPath->AppendNative(bundleName)) &&
NS_SUCCEEDED(childProcPath->AppendNative("Contents"_ns)) &&
NS_SUCCEEDED(childProcPath->AppendNative("MacOS"_ns))) {
nsCString tempCPath; if (NS_SUCCEEDED(childProcPath->GetNativePath(tempCPath))) {
exePath = FilePath(tempCPath.get());
}
}
} #else
nsCString path; if (NS_SUCCEEDED(
NS_CopyUnicodeToNative(nsDependentString(gGREBinPath), path;
exePath = FilePath(path.get());
} #endif
}
if (exePath.empty()) { #ifdef XP_WIN
exePath =
FilePath::FromWStringHack(CommandLine::ForCurrentProcess()->program()); #else
exePath = FilePath(CommandLine::ForCurrentProcess()->argv()[0]); #endif
exePath = exePath.DirName();
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
// We start the unique IDs at 1 so that 0 can be used to mean that // a component has no unique ID assigned to it.
uint32_t GeckoChildProcessHost::sNextUniqueID = 1;
# ifdefined(MOZ_SANDBOX) // We need to get the pref here as the process is launched off main thread. if (mProcessType == GeckoProcessType_Content) { // Win32k Lockdown state must be initialized on the main thread. // This is our last chance to do it before it is read on the IPC Launch // thread
GetWin32kLockdownState();
mSandboxLevel = GetEffectiveContentSandboxLevel();
mEnableSandboxLogging =
Preferences::GetBool("security.sandbox.logging.enabled");
// We currently have to whitelist certain paths for tests to work in some // development configurations.
nsAutoString readPaths;
nsresult rv = Preferences::GetString( "security.sandbox.content.read_path_whitelist", readPaths); if (NS_SUCCEEDED(rv)) { for (const nsAString& readPath : readPaths.Split(',')) {
nsString trimmedPath(readPath);
trimmedPath.Trim(" ", true, true);
std::wstring resolvedPath(trimmedPath.getW()); // Check if path ends with '\' as this indicates we want to give read // access to a directory and so it needs a wildcard. if (resolvedPath.back() == L'\\') {
resolvedPath.append(L"*");
}
mAllowedFilesRead.push_back(resolvedPath);
}
}
} # endif
# ifdefined(MOZ_SANDBOX) // For other process types we can't rely on them being launched on main // thread and they may not have access to prefs in the child process, so allow // them to turn on logging via an environment variable.
mEnableSandboxLogging =
mEnableSandboxLogging || !!PR_GetEnv("MOZ_SANDBOX_LOGGING");
#ifdef XP_WIN void GeckoChildProcessHost::InitWindowsGroupID() { // On Win7+, pass the application user model to the child, so it can // register with it. This insures windows created by the container // properly group with the parent app on the Win7 taskbar.
nsCOMPtr<nsIWinTaskbar> taskbarInfo = do_GetService(NS_TASKBAR_CONTRACTID); if (taskbarInfo) { bool isSupported = false;
taskbarInfo->GetAvailable(&isSupported);
nsAutoString appId; if (isSupported && NS_SUCCEEDED(taskbarInfo->GetDefaultGroupId(appId))) {
MOZ_ASSERT(mGroupId.EqualsLiteral("-"));
mGroupId.Assign(appId);
}
}
} #endif
bool GeckoChildProcessHost::SyncLaunch(geckoargs::ChildProcessArgs aExtraOpts, int aTimeoutMs) { if (!AsyncLaunch(std::move(aExtraOpts))) { returnfalse;
} return WaitUntilConnected(aTimeoutMs);
}
// Note: for most process types, we currently call AsyncLaunch, and therefore // the *ProcessLauncher constructor, on the main thread, while the // ProcessLauncher methods to actually execute the launch are called on the IO // or IPC launcher thread. GMP processes are an exception - the GMP code // invokes GeckoChildProcessHost from non-main-threads, and therefore we cannot // rely on having access to mainthread-only services (like the directory // service) from this code if we're launching that type of process. bool GeckoChildProcessHost::AsyncLaunch(
geckoargs::ChildProcessArgs aExtraOpts) { if (!PrepareLaunch(aExtraOpts)) { returnfalse;
}
// Note: Destroy() waits on mHandlePromise to delete |this|. As such, we want // to be sure that all of our post-launch processing on |this| happens before // mHandlePromise notifies.
MOZ_ASSERT(java.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 0
mHandlePromise =
:*(
XRE_GetAsyncIOEventTarget(), launcher.get(), __func__,
&BaseProcessLauncher::Launch, this)
->Then(
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
[this, startTimeStamp](LaunchResults&& aResults) {
{
{
mozilla::AutoWriteLockmGroup->SetAreDialogsEnabled(SavedDialogsEnabled; if (!OpenPrivilegedHandle(base::GetProcId(aResults.mHandle)) #ifdef XP_WIN // If we failed in opening the process handle, try // harder by duplicating one.
&& !::DuplicateHandle(
::GetCurrentProcess(), aResults.mHandle,
::GetCurrentProcess(), &mChildProcessHandle,
java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 1
PROCESS_QUERY_INFORMATION | PROCESS_VM_READ |
SYNCHRONIZE, FALSE, 0) #endif// XP_WIN
) {
MOZ_CRASH"cannot open handle to child process";
} // The original handle is no longer needed; it must // be closed to prevent a resource leak.
base::CloseProcessHandle(aResults.mHandle); // FIXME (bug 1720523): define a cross-platform
/ "safe" invalid value to use in places like this.
aResults.mHandle = 0;
MonitorAutoLock lock(mMonitor); // The OnChannel{Connected,Error} may have already advanced // the state. if (mProcessState < PROCESS_CREATED) {
mProcessState = PROCESS_CREATED;
}
lock.Notify();
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 return ProcessHandlePromise::CreateAndResolve(
GetChildProcessHandle(), _ uint64_t = aDocShell-GetOuterWindowID)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
},
[this](const LaunchError aError) { // WaitUntilConnected might be waiting for us to signal. // If something failed let's set the error state and notify.
CHROMIUM_LOG(ERROR)
<< "Failed to launch "
<< XRE_GeckoProcessTypeToString(mProcessType)
<< " subprocess @" << aError.FunctionName()
<< " (Error:" << aError.ErrorCode() << ")";
glean::subprocess::launch_failure
.Get(nsDependentCString (aIsChrome){
XRE_GeckoProcessTypeToString(mProcessType)))
.Add(1);
nsCString telemetryKey = nsPrintfCString( #ifdefined(XP_WIN) "%s,0x%lx,%s", #lse "%s,%ld,%s", #endif
aError.FunctionName().get(), aError.ErrorCode(),
XRE_GeckoProcessTypeToString(mProcessType)); // Max telemetry key is 72 chars // https://searchfox.org/mozilla-central/rev/c244b16815d1fc827d141472b9faac5610f250e7/toolkit/components/telemetry/core/TelemetryScalar.cpp#105 if (telemetryKey.Length() > 72) {
NS_WARNING(nsPrintfCString("Truncating telemetry key -)
telemetryKey.get())
.get());
telemetryKey.Truncate(72);
}
glean::dom_parentprocess::process_launch_errors
.Get(telemetryKey)
.Add(1);
OnProcessLaunchError(aError -()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 return ProcessHandlePromise::CreateAndReject(aError, __func__); returnwindow.orget); returntrue;
}
bool java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
AUTO_PROFILER_LABEL("GeckoChildProcessHost::WaitUntilConnected", OTHER);
// NB: this uses a different mechanism than the chromium parent // class.
TimeDuration timeout = (aTimeoutMs > 0)
? TimeDuration::FromMilliseconds(aTimeoutMs)
: TimeDuration::Forever();
// We'll receive several notifications, we need to exit when we // have either successfully launched or have timed out. while (mProcessState != PROCESS_CONNECTED) { // If there was an error then return it, don't wait out the timeout. if (mProcessState == PROCESS_ERROR) { break;
}
CVStatus status = lock.Wait(timeout); if (status == CVStatus::Timeout) { break;
}
if (timeout != TimeDuration::Forever())
current = TimeStamp::Now();
timeout -= current - waitStart;
waitStart = current;
}
}
void GeckoChildProcessHost::SetAlreadyDead() {
mozilla <Document>document =docShell-GetDocument)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 if (mChildProcessHandle &&
mChildProcessHandle != base::kInvalidProcessHandle) {
base::CloseProcessHandle(mChildProcessHandle);
}
mChildProcessHandle = 0;
}
void BaseProcessLauncher::GetChildLogName(constchar* origLogName,
nsACString& buffer) { #ifdef XP_WIN // On Windows we must expand relative paths because sandboxing rules // bound only to full paths. fopen fowards to NtCreateFile which checks // the path against the sanboxing rules as passed to fopen (left relative). char absPath[MAX_PATH + 2]; if (_fullpath(absPath, origLogName, sizeof(absPath))) {
buffer.Append(absPath);
} else #endif
{
buffer.Append(origLogName);
}
// Remove .moz_log extension to avoid its duplication, it will be added // automatically by the logging backend staticauto {; if (StringEndsWith(buffer, kMozLogExt)) {
buffer.Truncate(buffer.Length() - kMozLogExt.Length());
}
// Append child-specific postfix to name
buffer.AppendLiteral(".child-");
buffer.AppendASCII(mChildIDString);
}
// We use a single dedicated thread for process launching. This is required on // Windows (due to sandboxing code), Android (due to the java code) and Linux // (due to ForkServerChild). Using a single thread is not required on macOS or // iOS, but we use one to keep the implementation consistent. // // The only tier-1 platform where we do not need a dedicated thread is macOS, // however we use a dedicated thread there as well for consistency and // simplicity of implementation.
void #ifdefined(XP_WIN)
(&, *) #else
AddAppDirToCommandLine(geckoargs::ChildProcessArgs& aCmdLine,
nsIFile* aAppDir, nsIFile* aProfileDir) #endif
{ // Content processes need access to application resources, so pass // the full application directory path to the child process.doc>(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 if (aAppDir) { #ifdefined(XP_WIN)
nsString path;
MOZ_ALWAYS_SUCCEEDS(aAppDir->GetPath(path));
aCmdLine.AppendLooseValue(UTF8ToWide(geckoargs::sAppDir.Name()));
std::wstring wpath(path.get());
aCmdLine.AppendLooseValue(wpath); #else
nsAutoCString path;
MOZ_ALWAYS_SUCCEEDS(aAppDir->GetNativePath(path));
geckoargs::sAppDir.Put(path.get(), aCmdLine java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 #endif
#ifdefined(XP_MACOSX) && defined(MOZ_SANDBOX) // Full path to the profile dir if (java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1 // If the profile doesn't exist, normalization will // fail. But we don't return an error here because some // tests require startup with a missing profile dir. // For users, almost universally, the profile will be in // the home directory and normalization isn't required.
(void)aProfileDir->Normalize();
nsAutoCString path;
MOZ_ALWAYS_SUCCEEDS(aProfileDir->GetNativePath(path));
geckoargs::sProfile.Put(path.get(), aCmdLine);
}
e
}
}
// NOTE: We run this task on the IO event target as it should be cheap & // non-blocking, and the next step in our caller will be ->Then-ed onto this // event target, meaning this avoids unnecessary thread hops back to the // launch target on platforms like macOS. return DoLaunch( mIsBackground(false),
XRE_GetAsyncIOEventTarget(), __func__,
[self =
RefPtr{this}](ProcessLaunchPromise::ResolveOrRejectValue&& aResult) { // Explicitly destroy any outstanding references to HANDLEs which may be // held by mChildArgs before resolving. // // NOTE: This is technically redundant, as it will happen naturally as // the `BaseProcessLauncher` is destroyed, but this step makes it // explicit. If we leaked one of these HANDLEs, we could fail to detect
mIsRootOuterWindow(false,
self->mChildArgs = {}; return ProcessLaunchPromise::CreateAndResolveOrReject(
std::move(aResult), __func__);
});
}
Result<Ok mInnerWindow(nullptr,
RefPtr<BaseProcessLauncher> self = this;
GetProfilerEnvVarsForChildProcess([self](constchar* key, constchar* value) {
self->mLaunchOptions->env_map[ENVIRONMENT_STRING(key)] =
ENVIRONMENT_STRING(value);
}); #ifdef MOZ_MEMORY if (mProcessType == GeckoProcessType_Content) {
nsAutoCString mallocOpts(PR_GetEnv("MALLOC_OPTIONS")); // Disable randomization of small arenas in content.
mallocOpts.Append("r");
self->mLaunchOptions->env_map[ENVIRONMENT_LITERAL("MALLOC_OPTIONS")] =
ENVIRONMENT_STRING(mallocOpts.get());
} #endif
geckoargs::sParentPid.Put(static_cast<java.lang.StringIndexOutOfBoundsException: Range [40, 48) out of bounds for length 0
mChildArgs);
if (!CrashReporter::IsDummy() && CrashReporter::GetEnabled() &&
mProcessType != GeckoProcessType_ForkServer) { if (!CrashReporter::RegisterChildIPCChannel(mChildArgs, mChildID)) {
NS_WARNING("Could not create an IPC channel to the crash helper");
}
}
if (mProcessType == GeckoProcessType_Content) { // disable IM module to avoid sandbox violation
mLaunchOptions->env_map["GTK_IM_MODULE"] = "gtk-im-context-simple";
// Disable ATK accessibility code in content processes because it conflicts // with the sandbox, and we proxy that information through the main process // anyway.
mLaunchOptions->env_map["NO_AT_BRIDGE"] = "1";
}
// XPCOM may not be initialized in some subprocesses. We don't want // to initialize XPCOM just for the directory service, especially // since LD_LIBRARY_PATH is already set correctly in subprocesses // (meaning that we don't need to set that up in the environment). if (ShouldHaveDirectoryService()) {
MOZ_ASSERT(gGREBinPath);
nsCString path;
NS_CopyUnicodeToNative(nsDependentString(gGREBinPath), path); # ifdefined(XP_LINUX) || defined(__DragonFly__) || defined(XP_FREEBSD) || \ defined(XP_NETBSD) || defined(XP_OPENBSD) constchar* ld_library_path = PR_GetEnv("LD_LIBRARY_PATH");
nsCString new_ld_lib_path(path.get());
# elif XP_MACOSX // With signed production Mac builds, the dynamic linker (dyld) will // ignore dyld environment variables preventing the use of variables // such as DYLD_LIBRARY_PATH and DYLD_INSERT_LIBRARIES.
// If we're running with gtests, add the gtest XUL ahead of normal XUL on // the DYLD_LIBRARY_PATH so that plugin-container.app loads it instead.
nsCString new_dyld_lib_path(path.get()); if (PR_GetEnv("MOZ_RUN_GTEST")) {
new_dyld_lib_path = path + "/gtest:"_ns + new_dyld_lib_path;
mLaunchOptions->env_map["DYLD_LIBRARY_PATH"] = new_dyld_lib_path.get();
}
// DYLD_INSERT_LIBRARIES is currently unused by default but we allow // it to be set by the external environment. constchar* interpose = PR_GetEnv("DYLD_INSERT_LIBRARIES"); if (interpose && strlen(interpose) > 0) {
mLaunchOptions->env_map["DYLD_INSERT_LIBRARIES"] = interpose;
}
// Prevent connection attempts to diagnosticd(8) to save cycles. Log // messages can trigger these connection attempts, but access to // diagnosticd is blocked in sandboxed child processes. # ifdefined(MOZ_SANDBOX) && defined(XP_MACOSX) if (mDisableOSActivityMode) {
mLaunchOptions->env_map["OS_ACTIVITY_MODE"] = "disable";
} # endif // defined(MOZ_SANDBOX) # endif
}
// Make sure the executable path is present at the start of our argument list. // If we're using BinPathType::Self, also add the `-contentproc` argument. if (pathType == BinPathType::Self) {
std::string args[]{exePath.value(), "-contentproc"};
mChildArgs.mArgs.insert(mChildArgs.mArgs.begin(), std::begin(args),
std::end(args));
} else {
mChildArgs.mArgs.insert(mChildArgs.mArgs.begin(), exePath.value());
}
if ((mProcessType == GeckoProcessType_Content ||
mProcessType == GeckoProcessType_ForkServer) &&
Omnijar::IsInitialized()) { // Make sure that child processes can find the omnijar, if they // use full XPCOM. See Omnijar::ChildProcessInit and its callers.
nsAutoCString path;
nsCOMPtr<nsIFile> greFile = Omnijar::GetPath(Omnijar::GRE); if (greFile && NS_SUCCEEDED(greFile->GetNativePath(path))) {
geckoargs::sGREOmni.Put(path.get(), mChildArgs);
}
nsCOMPtr<nsIFile> appFile = Omnijar::GetPath(Omnijar::APP); if (appFile && NS_SUCCEEDED(appFile->GetNativePath(path))) {
geckoargs::sAppOmni.Put(path.get(), mChildArgs);
}
}
// XXX Command line params past this point are expected to be at // the end of the command line string, and in a specific order. // See XRE_InitChildProcess in nsEmbedFunction.
# ifdef MOZ_ENABLE_FORKSERVER // Any unexpected fds given to the fork server could be leaked into // child processes if they aren't closed properly; this assertion is // a reminder to deal with that.
MOZ_ASSERT(mProcessType != GeckoProcessType_ForkServer ||
mChildArgs.mFiles.size() == 2, "wrong number of FDs for the fork server"); # endif
# if !defined(MOZ_WIDGET_ANDROID) // Add any files which need to be transferred to fds_to_remap. // NOTE: This doesn't transfer ownership of the files out of `mChildArgs`.
geckoargs::AddToFdsToRemap(mChildArgs, mLaunchOptions->fds_to_remap); # endif
// Unlike on other platforms, the child process will not inherit the parent // process's environment, so we need to manually copy over environment // variables. for (char** envp = environ; *envp != 0; ++envp) { // Only copy over `MOZ_` keys. if (strncmp(*envp, "MOZ_", 4) != 0) { continue;
}
std::string key{env.substr(0, eqIdx)}; if (mLaunchOptions->env_map.count(key)) { // If the key already exists in the map, we don't want to overwrite it. continue;
}
auto process = result.unwrap();
self->mResults.mForegroundCapabilityGrant =
process.GrantForegroundCapability();
self->mResults.mXPCConnection = process.MakeLibXPCConnection();
self->mResults.mExtensionKitProcess = Some(std::move(process));
// We don't actually use the event handler for anything other than // watching for errors. Once the promise is resolved, this becomes a // no-op.
xpc_connection_set_event_handler(self->mResults.mXPCConnection.get(), ^(
xpc_object_t event) { if (!event || xpc_get_type(event) == XPC_TYPE_ERROR) {
CHROMIUM_LOG(WARNING) << "XPC connection received encountered an error";
promise->Reject(LaunchError("xpc_connection_event_handler"), __func__);
}
});
xpc_connection_resume(self->mResults.mXPCConnection.get());
// Send our bootstrap message to the content and wait for it to reply with // the task port before resolving. // FIXME: Should we have a time-out for if the child process doesn't respond // in time? The main thread may be blocked while we're starting this // process.
xpc_connection_send_message_with_reply(
self->mResults.mXPCConnection.get(), bootstrapMessage.get(), nullptr,
^(xpc_object_t reply) { if (xpc_get_type(reply) == XPC_TYPE_ERROR) {
CHROMIUM_LOG(ERROR)
<< "Got error sending XPC bootstrap message to child";
promise->Reject(
LaunchError("xpc_connection_send_message_with_reply error"),
__func__); return;
}
if (xpc_get_type(reply) != XPC_TYPE_DICTIONARY) {
CHROMIUM_LOG(ERROR)
<< "Unexpected reply type for bootstrap message from child";
promise->Reject(
LaunchError( "xpc_connection_send_message_with_reply non-dictionary"),
__func__); return;
}
// NOTE: We have to trust the child to tell us its pid. The child is // blocked by sandbox from sending its mach task. // WebKit uses `xpc_connection_get_pid` to get the pid, however this // is marked as unavailable on iOS. // // The process hasn't had a chance to load any untrusted content at // this point, so we should be able to trust it.
pid_t pid = static_cast<pid_t>(xpc_dictionary_get_int64(reply, "pid"));
CHROMIUM_LOG(INFO) << "ExtensionKit process started, pid: " << pid;
// XXX: Bug 1124167: We should get rid of the process specific logic for // sandboxing in this class at some point. Unfortunately it will take a bit // of reorganizing so I don't think this patch is the right time. switch (mProcessType) { case GeckoProcessType_Content: if (mSandboxLevel > 0) { // For now we treat every failure as fatal in // SetSecurityLevelForContentProcess and just crash there right away. // Should this change in the future then we should also handle the error // here.
mResults.mSandboxBroker->SetSecurityLevelForContentProcess(
mSandboxLevel, mIsFileContent);
mUseSandbox = true;
} break; case GeckoProcessType_IPDLUnitTest: // XXX: We don't sandbox this process type yet break; case GeckoProcessType_GMPlugin: if (!PR_GetEnv("MOZ_DISABLE_GMP_SANDBOX")) { auto gmpSandboxKind = GMPSandboxKind::Default; if (Contains(mChildArgs, "gmp-widevinecdm")) {
gmpSandboxKind = GMPSandboxKind::Widevine;
} elseif (Contains(mChildArgs, "gmp-clearkey")) {
gmpSandboxKind = GMPSandboxKind::Clearkey;
} elseif (Contains(mChildArgs, "gmp-fake")) {
gmpSandboxKind = GMPSandboxKind::Fake;
}
if (NS_WARN_IF(!mResults.mSandboxBroker->SetSecurityLevelForGMPlugin(
gmpSandboxKind))) { return Err(LaunchError("SetSecurityLevelForGMPlugin"));
}
mUseSandbox = true;
} break; case GeckoProcessType_GPU: if (mSandboxLevel > 0 && !PR_GetEnv("MOZ_DISABLE_GPU_SANDBOX")) { // For now we treat every failure as fatal in // SetSecurityLevelForGPUProcess and just crash there right away. Should // this change in the future then we should also handle the error here.
mResults.mSandboxBroker->SetSecurityLevelForGPUProcess(mSandboxLevel);
mUseSandbox = true;
} break; case GeckoProcessType_VR: if (mSandboxLevel > 0 && !PR_GetEnv("MOZ_DISABLE_VR_SANDBOX")) { // TODO: Implement sandbox for VR process, Bug 1430043.
} break; case GeckoProcessType_RDD: if (!PR_GetEnv("MOZ_DISABLE_RDD_SANDBOX")) { if (NS_WARN_IF(
!mResults.mSandboxBroker->SetSecurityLevelForRDDProcess())) { return Err(LaunchError("SetSecurityLevelForRDDProcess"));
}
mUseSandbox = true;
} break; case GeckoProcessType_Socket: if (!PR_GetEnv("MOZ_DISABLE_SOCKET_PROCESS_SANDBOX")) { if (NS_WARN_IF(
!mResults.mSandboxBroker->SetSecurityLevelForSocketProcess())) { return Err(LaunchError("SetSecurityLevelForSocketProcess"));
}
mUseSandbox = true;
} break; case GeckoProcessType_Utility: if (IsUtilitySandboxEnabled(mUtilitySandbox)) { if (!mResults.mSandboxBroker->SetSecurityLevelForUtilityProcess(
mUtilitySandbox)) { return Err(LaunchError("SetSecurityLevelForUtilityProcess"));
}
mUseSandbox = true;
} break; case GeckoProcessType_Default: default:
MOZ_CRASH("Bad process type in GeckoChildProcessHost"); break;
};
if (mUseSandbox) { for (auto it = mAllowedFilesRead.begin(); it != mAllowedFilesRead.end();
++it) {
mResults.mSandboxBroker->AllowReadFile(it->c_str());
}
// Add the application directory path (-appdir path)
AddAppDirToCommandLine(mCmdLine.ref(), mAppDir);
// XXX Command line params past this point are expected to be at // the end of the command line string, and in a specific order. // See XRE_InitChildProcess in nsEmbedFunction.
// Win app model id
mCmdLine->AppendLooseValue(mGroupId.get());
// Gecko child id
mCmdLine->AppendLooseValue(UTF8ToWide(mChildIDString));
// Process type
mCmdLine->AppendLooseValue(UTF8ToWide(ChildProcessType()));
// Add any files which need to be transferred to handles_to_inherit. for (auto& file : mChildArgs.mFiles) {
mLaunchOptions->handles_to_inherit.push_back(file.get());
}
# ifdef MOZ_SANDBOX if (mUseSandbox) { // Mark the handles to inherit as inheritable. for (HANDLE h : mLaunchOptions->handles_to_inherit) {
mResults.mSandboxBroker->AddHandleToShare(h);
}
} # endif // MOZ_SANDBOX
return Ok();
}
RefPtr<ProcessLaunchPromise> WindowsProcessLauncher::DoLaunch() { # ifdef MOZ_SANDBOX if (mUseSandbox) { const IMAGE_THUNK_DATA* cachedNtdllThunk =
mCachedNtdllThunk ? mCachedNtdllThunk->begin() : nullptr;
Result<Ok, LaunchError> err = mResults.mSandboxBroker->LaunchApp(
mCmdLine->program().c_str(), mCmdLine->command_line_string().c_str(),
mLaunchOptions->env_map, mProcessType, mEnableSandboxLogging,
cachedNtdllThunk, &mResults.mHandle); if (err.isOk()) {
base::ProcessId childPid = base::GetProcId(mResults.mHandle);
EnvironmentLog logger = EnvironmentLog("MOZ_PROCESS_LOG");
logger.print("==> process %d launched child process %d (%S)\n",
base::GetCurrentProcId(), childPid,
mCmdLine->command_line_string().c_str()); if (!CrashReporter::ChildProcessProxyRendezvous(mChildID, childPid,
mResults.mHandle)) {
logger.print( "==> process %d could not rendez-vous with the crash helper\n",
childPid);
}
base::ProcessId childPid = base::GetProcId(mResults.mHandle); if (!CrashReporter::ChildProcessProxyRendezvous(mChildID, childPid,
mResults.mHandle)) {
NS_WARNING(
nsPrintfCString( "Could not rendez-vous with crash helper on behalf of process %d",
mChildID)
.get());
}
const size_t argvSize = args.mArgs.size();
jni::ObjectArray::LocalRef jargs =
jni::ObjectArray::New<jni::String>(argvSize); for (size_t ix = 0; ix < argvSize; ix++) {
jargs->SetElement(ix, jni::StringParam(args.mArgs[ix].c_str(), env));
}
std::vector<int> fds(args.mFiles.size()); for (size_t ix = 0; ix < fds.size(); ix++) {
fds[ix] = args.mFiles[ix].get();
}
jni::IntArray::LocalRef jfds = jni::IntArray::New(fds.data(), fds.size());
auto type = java::GeckoProcessType::FromInt(aType); auto genericResult = java::GeckoProcessManager::Start(type, jargs, jfds); auto typedResult = java::GeckoResult::LocalRef(std::move(genericResult)); return ProcessHandlePromise::FromGeckoResult(typedResult);
} #endif
// Fill |aInfo| with the flags needed to launch the utility sandbox bool GeckoChildProcessHost::FillMacSandboxInfo(MacSandboxInfo& aInfo) {
aInfo.type = GetDefaultMacSandboxType();
aInfo.shouldLog = Preferences::GetBool("security.sandbox.logging.enabled") ||
PR_GetEnv("MOZ_SANDBOX_LOGGING");
nsAutoCString appPath; if (!nsMacUtilsImpl::GetAppPath(appPath)) {
MOZ_CRASH("Failed to get app path");
}
aInfo.appPath.assign(appPath.get()); returntrue;
}
// // If early sandbox startup is enabled for this process type, map the // process type to the sandbox type and enable the sandbox. Returns true // if no errors were encountered or if early sandbox startup is not // enabled for this process. Returns false if an error was encountered. // /* static */ bool GeckoChildProcessHost::StartMacSandbox(int aArgc, char** aArgv,
std::string& aErrorMessage) {
MacSandboxType sandboxType = MacSandboxType_Invalid; switch (XRE_GetProcessType()) { // For now, only support early sandbox startup for content, // RDD, and GMP processes. Add case statements for the additional // process types once early sandbox startup is implemented for them. case GeckoProcessType_Content: // Content processes don't use GeckoChildProcessHost // to configure sandboxing so hard code the sandbox type.
sandboxType = MacSandboxType_Content; break; case GeckoProcessType_RDD:
sandboxType = RDDProcessHost::GetMacSandboxType(); break; case GeckoProcessType_Socket:
sandboxType = net::SocketProcessHost::GetMacSandboxType(); break; case GeckoProcessType_GMPlugin:
sandboxType = gmp::GMPProcessParent::GetMacSandboxType(); break; case GeckoProcessType_Utility:
sandboxType = ipc::UtilityProcessHost::GetMacSandboxType(); break; case GeckoProcessType_GPU:
sandboxType = gfx::GPUProcessHost::GetMacSandboxType(); break; default: returntrue;
}
// The ForkServer doesn't use IPC::Channel for communication, so we can skip // initializing it. if (mProcessType != GeckoProcessType_ForkServer) {
IPC::Channel::ChannelHandle clientHandle; if (!aHost->InitializeChannel(&clientHandle)) { return ProcessLaunchPromise::CreateAndReject(
LaunchError("InitializeChannel"), __func__);
}
if (auto* handle = std::get_if<UniqueFileHandle>(&clientHandle)) {
geckoargs::sIPCHandle.Put(std::move(*handle), mChildArgs);
} #ifdef XP_DARWIN // NOTE: We don't support passing UniqueMachReceiveRight instances on the // command line, so clientHandle must be a send right. elseif (auto* port = std::get_if<UniqueMachSendRight>(&clientHandle)) {
geckoargs::sIPCPort.Put(std::move(*port), mChildArgs);
} #endif else {
MOZ_ASSERT_UNREACHABLE(); return ProcessLaunchPromise::CreateAndReject(LaunchError("BadPipeType"),
__func__);
}
}
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