blob: 14cfed5f9475eb8688f30a3bf95450a967bb850b [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <list>
#include <map>
#include <memory>
#include <set>
#include <utility>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "base/win/scoped_handle.h"
#include "sandbox/win/src/crosscall_server.h"
#include "sandbox/win/src/job.h"
#include "sandbox/win/src/sandbox.h"
#include "sandbox/win/src/sharedmem_ipc_server.h"
#include "sandbox/win/src/win2k_threadpool.h"
#include "sandbox/win/src/win_utils.h"
namespace {
struct JobTracker;
} // namespace
namespace sandbox {
// BrokerServicesBase ---------------------------------------------------------
// Broker implementation version 0
// This is an implementation of the interface BrokerServices and
// of the associated TargetProcess interface. In this implementation
// TargetProcess is a friend of BrokerServices where the later manages a
// collection of the former.
class BrokerServicesBase final : public BrokerServices,
public SingletonBase<BrokerServicesBase> {
// BrokerServices interface.
ResultCode Init() override;
scoped_refptr<TargetPolicy> CreatePolicy() override;
ResultCode SpawnTarget(const wchar_t* exe_path,
const wchar_t* command_line,
scoped_refptr<TargetPolicy> policy,
ResultCode* last_warning,
DWORD* last_error,
PROCESS_INFORMATION* target) override;
ResultCode WaitForAllTargets() override;
// Checks if the supplied process ID matches one of the broker's active
// target processes
// Returns:
// true if there is an active target process for this ID, otherwise false.
bool IsActiveTarget(DWORD process_id);
// The routine that the worker thread executes. It is in charge of
// notifications and cleanup-related tasks.
static DWORD WINAPI TargetEventsThread(PVOID param);
// The completion port used by the job objects to communicate events to
// the worker thread.
base::win::ScopedHandle job_port_;
// Handle to a manual-reset event that is signaled when the total target
// process count reaches zero.
base::win::ScopedHandle no_targets_;
// Handle to the worker thread that reacts to job notifications.
base::win::ScopedHandle job_thread_;
// Lock used to protect the list of targets from being modified by 2
// threads at the same time.
// Provides a pool of threads that are used to wait on the IPC calls.
std::unique_ptr<ThreadProvider> thread_pool_;
// List of the trackers for closing and cleanup purposes.
std::list<std::unique_ptr<JobTracker>> tracker_list_;
// Provides a fast lookup to identify sandboxed processes that belong to a
// job. Consult |jobless_process_handles_| for handles of processes without
// jobs.
std::set<DWORD> child_process_ids_;
} // namespace sandbox