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// Copyright 2017 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.
#ifndef SANDBOX_POLICY_SANDBOX_H_
#define SANDBOX_POLICY_SANDBOX_H_
#include "build/build_config.h"
#include "sandbox/policy/export.h"
#include "sandbox/policy/sandbox_type.h"
#if defined(OS_LINUX) || defined(OS_CHROMEOS)
#include "sandbox/policy/linux/sandbox_linux.h"
#endif
namespace sandbox {
struct SandboxInterfaceInfo;
} // namespace sandbox
namespace sandbox {
namespace policy {
// Interface to the service manager sandboxes across the various platforms.
//
// Ideally, this API would abstract away the platform differences, but there
// are some major OS differences that shape this interface, including:
// * Whether the sandboxing is performed by the launcher (Windows, Fuchsia
// someday) or by the launchee (Linux, Mac).
// * The means of specifying the additional resources that are permitted.
// * The need to "warmup" other resources before engaing the sandbox.
class SANDBOX_POLICY_EXPORT Sandbox {
public:
#if defined(OS_LINUX) || defined(OS_CHROMEOS)
static bool Initialize(SandboxType sandbox_type,
SandboxLinux::PreSandboxHook hook,
const SandboxLinux::Options& options);
#endif // defined(OS_LINUX) || defined(OS_CHROMEOS)
#if defined(OS_WIN)
static bool Initialize(SandboxType sandbox_type,
SandboxInterfaceInfo* sandbox_info);
#endif // defined(OS_WIN)
// Returns true if the current process is running with a sandbox, and false
// if the process is not sandboxed. This should be used to assert that code is
// not running at high-privilege (e.g. in the browser process):
//
// DCHECK(Sandbox::IsProcessSandboxed());
//
// The definition of what constitutes a sandbox, and the relative strength of
// the restrictions placed on the process, and a per-platform implementation
// detail.
//
// Except if the process is the browser, if the process is running with the
// --no-sandbox flag, this unconditionally returns true.
static bool IsProcessSandboxed();
};
} // namespace policy
} // namespace sandbox
#endif // SANDBOX_POLICY_SANDBOX_H_
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