Move Windows Sandbox, trybots version (don't commit me!)

sandbox/src/handle_closer.h

-// 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.
-
-#ifndef SANDBOX_SRC_HANDLE_CLOSER_H_
-#define SANDBOX_SRC_HANDLE_CLOSER_H_
-
-#include <map>
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/string16.h"
-#include "sandbox/src/interception.h"
-#include "sandbox/src/sandbox_types.h"
-#include "sandbox/src/target_process.h"
-
-namespace sandbox {
-
-// This is a map of handle-types to names that we need to close in the
-// target process. A null set means we need to close all handles of the
-// given type.
-typedef std::map<const string16, std::set<const string16> > HandleMap;
-
-// Type and set of corresponding handle names to close.
-struct HandleListEntry {
-  size_t record_bytes;       // Rounded to sizeof(size_t) bytes.
-  size_t offset_to_names;    // Nul terminated strings of name_count names.
-  size_t name_count;
-  char16 handle_type[1];
-};
-
-// Global parameters and a pointer to the list of entries.
-struct HandleCloserInfo {
-  size_t record_bytes;       // Rounded to sizeof(size_t) bytes.
-  size_t num_handle_types;
-  struct HandleListEntry handle_entries[1];
-};
-
-SANDBOX_INTERCEPT HandleCloserInfo* g_handle_closer_info;
-
-// Adds handles to close after lockdown.
-class HandleCloser {
- public:
-  HandleCloser();
-
-  // Adds a handle that will be closed in the target process after lockdown.
-  // A NULL value for handle_name indicates all handles of the specified type.
-  // An empty string for handle_name indicates the handle is unnamed.
-  ResultCode AddHandle(const char16* handle_type, const char16* handle_name);
-
-  // Serializes and copies the closer table into the target process.
-  bool InitializeTargetHandles(TargetProcess* target);
-
-  // Adds any interceptions that may be required due to closed system handles.
-  bool SetupHandleInterceptions(InterceptionManager* manager);
-
- private:
-  // Calculates the memory needed to copy the serialized handles list (rounded
-  // to the nearest machine-word size).
-  size_t GetBufferSize();
-
-  // Serializes the handle list into the target process.
-  bool SetupHandleList(void* buffer, size_t buffer_bytes);
-
-  HandleMap handles_to_close_;
-
-  DISALLOW_COPY_AND_ASSIGN(HandleCloser);
-};
-
-// Returns the object manager's name associated with a handle
-bool GetHandleName(HANDLE handle, string16* handle_name);
-
-}  // namespace sandbox
-
-#endif  // SANDBOX_SRC_HANDLE_CLOSER_H_