Index: sandbox/src/handle_table.cc |
diff --git a/sandbox/src/handle_table.cc b/sandbox/src/handle_table.cc |
deleted file mode 100644 |
index c7fcf0a92fdda88a0229ce721fc8c0083c497972..0000000000000000000000000000000000000000 |
--- a/sandbox/src/handle_table.cc |
+++ /dev/null |
@@ -1,181 +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. |
- |
-#include "sandbox/src/handle_table.h" |
- |
-#include <algorithm> |
-#include <cstdlib> |
- |
-#include "base/memory/scoped_ptr.h" |
-#include "sandbox/src/win_utils.h" |
- |
-namespace { |
- |
-bool CompareHandleEntries(const SYSTEM_HANDLE_INFORMATION& a, |
- const SYSTEM_HANDLE_INFORMATION& b) { |
- return a.ProcessId < b.ProcessId; |
-} |
- |
-} // namespace |
- |
-namespace sandbox { |
- |
-const char16* HandleTable::kTypeProcess = L"Process"; |
-const char16* HandleTable::kTypeThread = L"Thread"; |
-const char16* HandleTable::kTypeFile = L"File"; |
-const char16* HandleTable::kTypeDirectory = L"Directory"; |
-const char16* HandleTable::kTypeKey = L"Key"; |
-const char16* HandleTable::kTypeWindowStation = L"WindowStation"; |
-const char16* HandleTable::kTypeDesktop = L"Desktop"; |
-const char16* HandleTable::kTypeService = L"Service"; |
-const char16* HandleTable::kTypeMutex = L"Mutex"; |
-const char16* HandleTable::kTypeSemaphore = L"Semaphore"; |
-const char16* HandleTable::kTypeEvent = L"Event"; |
-const char16* HandleTable::kTypeTimer = L"Timer"; |
-const char16* HandleTable::kTypeNamedPipe = L"NamedPipe"; |
-const char16* HandleTable::kTypeJobObject = L"JobObject"; |
-const char16* HandleTable::kTypeFileMap = L"FileMap"; |
-const char16* HandleTable::kTypeAlpcPort = L"ALPC Port"; |
- |
-HandleTable::HandleTable() { |
- static NtQuerySystemInformation QuerySystemInformation = NULL; |
- if (!QuerySystemInformation) |
- ResolveNTFunctionPtr("NtQuerySystemInformation", &QuerySystemInformation); |
- |
- ULONG size = 0x15000; |
- NTSTATUS result; |
- do { |
- handle_info_buffer_.resize(size); |
- result = QuerySystemInformation(SystemHandleInformation, |
- handle_info_internal(), size, &size); |
- } while (result == STATUS_INFO_LENGTH_MISMATCH); |
- |
- // We failed, so make an empty table. |
- if (!NT_SUCCESS(result)) { |
- handle_info_buffer_.resize(0); |
- return; |
- } |
- |
- // Sort it to make process lookups faster. |
- std::sort(handle_info_internal()->Information, |
- handle_info_internal()->Information + |
- handle_info_internal()->NumberOfHandles, CompareHandleEntries); |
-} |
- |
-HandleTable::Iterator HandleTable::HandlesForProcess(ULONG process_id) const { |
- SYSTEM_HANDLE_INFORMATION key; |
- key.ProcessId = process_id; |
- |
- const SYSTEM_HANDLE_INFORMATION* start = handle_info()->Information; |
- const SYSTEM_HANDLE_INFORMATION* finish = |
- &handle_info()->Information[handle_info()->NumberOfHandles]; |
- |
- start = std::lower_bound(start, finish, key, CompareHandleEntries); |
- if (start->ProcessId != process_id) |
- return Iterator(*this, finish, finish); |
- finish = std::upper_bound(start, finish, key, CompareHandleEntries); |
- return Iterator(*this, start, finish); |
-} |
- |
-HandleTable::HandleEntry::HandleEntry( |
- const SYSTEM_HANDLE_INFORMATION* handle_info_entry) |
- : handle_entry_(handle_info_entry), last_entry_(0) { |
-} |
- |
-void HandleTable::HandleEntry::UpdateInfo(UpdateType flag) { |
- static NtQueryObject QueryObject = NULL; |
- if (!QueryObject) |
- ResolveNTFunctionPtr("NtQueryObject", &QueryObject); |
- |
- NTSTATUS result; |
- |
- // Always update the basic type info, but grab the names as needed. |
- if (needs_info_update()) { |
- handle_name_.clear(); |
- type_name_.clear(); |
- last_entry_ = handle_entry_; |
- |
- // Most handle names are very short, so start small and reuse this buffer. |
- if (type_info_buffer_.empty()) |
- type_info_buffer_.resize(sizeof(OBJECT_TYPE_INFORMATION) |
- + (32 * sizeof(wchar_t))); |
- ULONG size = static_cast<ULONG>(type_info_buffer_.size()); |
- result = QueryObject(reinterpret_cast<HANDLE>(handle_entry_->Handle), |
- ObjectTypeInformation, type_info_internal(), size, &size); |
- while (result == STATUS_INFO_LENGTH_MISMATCH) { |
- type_info_buffer_.resize(size); |
- result = QueryObject(reinterpret_cast<HANDLE>(handle_entry_->Handle), |
- ObjectTypeInformation, type_info_internal(), size, &size); |
- } |
- |
- if (!NT_SUCCESS(result)) { |
- type_info_buffer_.clear(); |
- return; |
- } |
- } |
- |
- // Don't bother copying out names until we ask for them, and then cache them. |
- switch (flag) { |
- case UPDATE_INFO_AND_NAME: |
- if (type_info_buffer_.size() && handle_name_.empty()) { |
- ULONG size = MAX_PATH; |
- scoped_ptr<UNICODE_STRING> name; |
- do { |
- name.reset(reinterpret_cast<UNICODE_STRING*>(new BYTE[size])); |
- result = QueryObject(reinterpret_cast<HANDLE>( |
- handle_entry_->Handle), ObjectNameInformation, name.get(), |
- size, &size); |
- } while (result == STATUS_INFO_LENGTH_MISMATCH); |
- |
- if (NT_SUCCESS(result)) { |
- handle_name_.assign(name->Buffer, name->Length / sizeof(wchar_t)); |
- } |
- } |
- break; |
- |
- case UPDATE_INFO_AND_TYPE_NAME: |
- if (!type_info_buffer_.empty() && type_info_internal()->Name.Buffer && |
- type_name_.empty()) { |
- type_name_.assign(type_info_internal()->Name.Buffer, |
- type_info_internal()->Name.Length / sizeof(wchar_t)); |
- } |
- break; |
- } |
-} |
- |
-const OBJECT_TYPE_INFORMATION* HandleTable::HandleEntry::TypeInfo() { |
- UpdateInfo(UPDATE_INFO_ONLY); |
- return type_info_buffer_.empty() ? NULL : type_info_internal(); |
-} |
- |
-const string16& HandleTable::HandleEntry::Name() { |
- UpdateInfo(UPDATE_INFO_AND_NAME); |
- return handle_name_; |
-} |
- |
-const string16& HandleTable::HandleEntry::Type() { |
- UpdateInfo(UPDATE_INFO_AND_TYPE_NAME); |
- return type_name_; |
-} |
- |
-bool HandleTable::HandleEntry::IsType(const string16& type_string) { |
- UpdateInfo(UPDATE_INFO_ONLY); |
- if (type_info_buffer_.empty()) |
- return false; |
- return type_string.compare(0, |
- type_info_internal()->Name.Length / sizeof(wchar_t), |
- type_info_internal()->Name.Buffer) == 0; |
-} |
- |
-HandleTable::Iterator::Iterator(const HandleTable& table, |
- const SYSTEM_HANDLE_INFORMATION* start, |
- const SYSTEM_HANDLE_INFORMATION* end) |
- : table_(table), current_(start), end_(end) { |
-} |
- |
-HandleTable::Iterator::Iterator(const Iterator& it) |
- : table_(it.table_), current_(it.current_.handle_entry_), end_(it.end_) { |
-} |
- |
-} // namespace sandbox |