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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/child_process_launcher_helper.h"
#include "base/command_line.h"
#include "base/process/launch.h"
#include "base/strings/stringprintf.h"
#include "content/browser/child_process_launcher.h"
#include "content/public/browser/child_process_launcher_utils.h"
#include "content/public/common/sandboxed_process_launcher_delegate.h"
#include "printing/buildflags/buildflags.h"
#include "sandbox/policy/mojom/sandbox.mojom.h"
namespace content {
namespace internal {
namespace {
const char* ProcessNameFromSandboxType(sandbox::mojom::Sandbox sandbox_type) {
switch (sandbox_type) {
case sandbox::mojom::Sandbox::kNoSandbox:
return nullptr;
case sandbox::mojom::Sandbox::kRenderer:
return "renderer";
case sandbox::mojom::Sandbox::kUtility:
return "utility";
case sandbox::mojom::Sandbox::kService:
return "service";
case sandbox::mojom::Sandbox::kServiceWithJit:
return "service-with-jit";
case sandbox::mojom::Sandbox::kGpu:
return "gpu";
case sandbox::mojom::Sandbox::kNetwork:
return "network";
case sandbox::mojom::Sandbox::kVideoCapture:
return "video-capture";
case sandbox::mojom::Sandbox::kAudio:
return "audio";
case sandbox::mojom::Sandbox::kCdm:
return "cdm";
case sandbox::mojom::Sandbox::kOnDeviceModelExecution:
return "on-device-model-execution";
case sandbox::mojom::Sandbox::kPrintCompositor:
return "print-compositor";
case sandbox::mojom::Sandbox::kSpeechRecognition:
return "speech-recognition";
#if BUILDFLAG(ENABLE_OOP_PRINTING)
case sandbox::mojom::Sandbox::kPrintBackend:
return "print-backend";
#endif
}
}
} // namespace
void ChildProcessLauncherHelper::SetProcessPriorityOnLauncherThread(
base::Process process,
base::Process::Priority priority) {
DCHECK(CurrentlyOnProcessLauncherTaskRunner());
// TODO(crbug.com/40611633): Fuchsia does not currently support this.
}
ChildProcessTerminationInfo ChildProcessLauncherHelper::GetTerminationInfo(
const ChildProcessLauncherHelper::Process& process,
bool known_dead) {
ChildProcessTerminationInfo info;
info.status =
base::GetTerminationStatus(process.process.Handle(), &info.exit_code);
return info;
}
// static
bool ChildProcessLauncherHelper::TerminateProcess(const base::Process& process,
int exit_code) {
return process.Terminate(exit_code, false);
}
void ChildProcessLauncherHelper::BeforeLaunchOnClientThread() {
DCHECK(client_task_runner_->RunsTasksInCurrentSequence());
sandbox_policy_ = std::make_unique<sandbox::policy::SandboxPolicyFuchsia>(
delegate_->GetSandboxType());
}
std::unique_ptr<FileMappedForLaunch>
ChildProcessLauncherHelper::GetFilesToMap() {
DCHECK(CurrentlyOnProcessLauncherTaskRunner());
return nullptr;
}
bool ChildProcessLauncherHelper::IsUsingLaunchOptions() {
return true;
}
bool ChildProcessLauncherHelper::BeforeLaunchOnLauncherThread(
PosixFileDescriptorInfo& files_to_register,
base::LaunchOptions* options) {
DCHECK(CurrentlyOnProcessLauncherTaskRunner());
DCHECK(sandbox_policy_);
mojo_channel_->PrepareToPassRemoteEndpoint(&options->handles_to_transfer,
command_line());
sandbox_policy_->UpdateLaunchOptionsForSandbox(options);
// Set process name suffix to make it easier to identify the process.
const char* process_type =
ProcessNameFromSandboxType(delegate_->GetSandboxType());
if (process_type)
options->process_name_suffix = base::StringPrintf(":%s", process_type);
return true;
}
ChildProcessLauncherHelper::Process
ChildProcessLauncherHelper::LaunchProcessOnLauncherThread(
const base::LaunchOptions* options,
std::unique_ptr<FileMappedForLaunch> files_to_register,
bool* is_synchronous_launch,
int* launch_result) {
DCHECK(CurrentlyOnProcessLauncherTaskRunner());
DCHECK(mojo_channel_);
DCHECK(mojo_channel_->remote_endpoint().is_valid());
DCHECK(sandbox_policy_);
Process child_process;
// Move `sandbox_policy_` into the child process object so that it doesn't get
// destroyed before the child process.
child_process.sandbox_policy = std::move(sandbox_policy_);
child_process.process = base::LaunchProcess(*command_line(), *options);
return child_process;
}
void ChildProcessLauncherHelper::AfterLaunchOnLauncherThread(
const ChildProcessLauncherHelper::Process& process,
const base::LaunchOptions* options) {}
// static
void ChildProcessLauncherHelper::ForceNormalProcessTerminationSync(
ChildProcessLauncherHelper::Process process) {
DCHECK(CurrentlyOnProcessLauncherTaskRunner());
// Wait for the process to terminate to ensure that `process` and its child
// `sandbox_policy` aren't destroyed before the process is terminated.
process.process.Terminate(RESULT_CODE_NORMAL_EXIT, true);
}
} // namespace internal
} // namespace content
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