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Diffstat (limited to 'sandbox/win/src/handle_table.h')
| -rw-r--r-- | sandbox/win/src/handle_table.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/sandbox/win/src/handle_table.h b/sandbox/win/src/handle_table.h deleted file mode 100644 index 47f625d9e3..0000000000 --- a/sandbox/win/src/handle_table.h +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright (c) 2011 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_TABLE_H_ -#define SANDBOX_SRC_HANDLE_TABLE_H_ - -#include <windows.h> -#include <vector> - -#include "base/basictypes.h" -#include "base/strings/string16.h" -#include "sandbox/win/src/nt_internals.h" - -namespace sandbox { - -// HandleTable retrieves the global handle table and provides helper classes -// for iterating through the table and retrieving handle info. -class HandleTable { - public: - static const base::char16* HandleTable::kTypeProcess; - static const base::char16* HandleTable::kTypeThread; - static const base::char16* HandleTable::kTypeFile; - static const base::char16* HandleTable::kTypeDirectory; - static const base::char16* HandleTable::kTypeKey; - static const base::char16* HandleTable::kTypeWindowStation; - static const base::char16* HandleTable::kTypeDesktop; - static const base::char16* HandleTable::kTypeService; - static const base::char16* HandleTable::kTypeMutex; - static const base::char16* HandleTable::kTypeSemaphore; - static const base::char16* HandleTable::kTypeEvent; - static const base::char16* HandleTable::kTypeTimer; - static const base::char16* HandleTable::kTypeNamedPipe; - static const base::char16* HandleTable::kTypeJobObject; - static const base::char16* HandleTable::kTypeFileMap; - static const base::char16* HandleTable::kTypeAlpcPort; - - class Iterator; - - // Used by the iterator to provide simple caching accessors to handle data. - class HandleEntry { - public: - ~HandleEntry(); - - bool operator==(const HandleEntry& rhs) const { - return handle_entry_ == rhs.handle_entry_; - } - - bool operator!=(const HandleEntry& rhs) const { - return handle_entry_ != rhs.handle_entry_; - } - - const SYSTEM_HANDLE_INFORMATION* handle_entry() const { - return handle_entry_; - } - - const OBJECT_TYPE_INFORMATION* TypeInfo(); - - const base::string16& Name(); - - const base::string16& Type(); - - bool IsType(const base::string16& type_string); - - private: - friend class Iterator; - friend class HandleTable; - - enum UpdateType { - UPDATE_INFO_ONLY, - UPDATE_INFO_AND_NAME, - UPDATE_INFO_AND_TYPE_NAME, - }; - - explicit HandleEntry(const SYSTEM_HANDLE_INFORMATION* handle_info_entry); - - bool needs_info_update() { return handle_entry_ != last_entry_; } - - void UpdateInfo(UpdateType flag); - - OBJECT_TYPE_INFORMATION* type_info_internal() { - return reinterpret_cast<OBJECT_TYPE_INFORMATION*>( - &(type_info_buffer_[0])); - } - - const SYSTEM_HANDLE_INFORMATION* handle_entry_; - const SYSTEM_HANDLE_INFORMATION* last_entry_; - std::vector<BYTE> type_info_buffer_; - base::string16 handle_name_; - base::string16 type_name_; - - DISALLOW_COPY_AND_ASSIGN(HandleEntry); - }; - - class Iterator { - public: - Iterator(const HandleTable& table, const SYSTEM_HANDLE_INFORMATION* start, - const SYSTEM_HANDLE_INFORMATION* stop); - - Iterator(const Iterator& it); - - Iterator& operator++() { - if (++(current_.handle_entry_) == end_) - current_.handle_entry_ = table_.end(); - return *this; - } - - bool operator==(const Iterator& rhs) const { - return current_ == rhs.current_; - } - - bool operator!=(const Iterator& rhs) const { - return current_ != rhs.current_; - } - - HandleEntry& operator*() { return current_; } - - operator const SYSTEM_HANDLE_INFORMATION*() { - return current_.handle_entry_; - } - - HandleEntry* operator->() { return ¤t_; } - - private: - const HandleTable& table_; - HandleEntry current_; - const SYSTEM_HANDLE_INFORMATION* end_; - }; - - HandleTable(); - ~HandleTable(); - - Iterator begin() const { - return Iterator(*this, handle_info()->Information, - &handle_info()->Information[handle_info()->NumberOfHandles]); - } - - const SYSTEM_HANDLE_INFORMATION_EX* handle_info() const { - return reinterpret_cast<const SYSTEM_HANDLE_INFORMATION_EX*>( - &(handle_info_buffer_[0])); - } - - // Returns an iterator to the handles for only the supplied process ID. - Iterator HandlesForProcess(ULONG process_id) const; - const SYSTEM_HANDLE_INFORMATION* end() const { - return &handle_info()->Information[handle_info()->NumberOfHandles]; - } - - private: - SYSTEM_HANDLE_INFORMATION_EX* handle_info_internal() { - return reinterpret_cast<SYSTEM_HANDLE_INFORMATION_EX*>( - &(handle_info_buffer_[0])); - } - - std::vector<BYTE> handle_info_buffer_; - - DISALLOW_COPY_AND_ASSIGN(HandleTable); -}; - -} // namespace sandbox - -#endif // SANDBOX_SRC_HANDLE_TABLE_H_ |