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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/services/on_device_translation/sandbox_hook.h"
#include "components/services/on_device_translation/translate_kit_client.h"
#include "sandbox/linux/syscall_broker/broker_command.h"
using sandbox::syscall_broker::BrokerFilePermission;
using sandbox::syscall_broker::MakeBrokerCommandSet;
namespace on_device_translation {
namespace {
// Gets the file permissions required by the TranslateKit
std::vector<BrokerFilePermission> GetOnDeviceTranslationFilePermissions() {
std::vector<BrokerFilePermission> permissions{
// Opened for checking the CPU numbers.
BrokerFilePermission::ReadOnly("/sys/devices/system/cpu/possible"),
};
return permissions;
}
} // namespace
bool OnDeviceTranslationSandboxHook(
sandbox::policy::SandboxLinux::Options options) {
// Call `TranslateKitClient::Get()` to load libtranslatekit.so
TranslateKitClient::Get();
auto* instance = sandbox::policy::SandboxLinux::GetInstance();
instance->StartBrokerProcess(MakeBrokerCommandSet({
sandbox::syscall_broker::COMMAND_OPEN,
}),
GetOnDeviceTranslationFilePermissions(),
options);
instance->EngageNamespaceSandboxIfPossible();
return true;
}
} // namespace on_device_translation
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