| // Copyright (c) 2006-2010 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/named_pipe_dispatcher.h" |
| |
| #include "base/basictypes.h" |
| |
| #include "sandbox/src/crosscall_client.h" |
| #include "sandbox/src/interception.h" |
| #include "sandbox/src/interceptors.h" |
| #include "sandbox/src/ipc_tags.h" |
| #include "sandbox/src/named_pipe_interception.h" |
| #include "sandbox/src/named_pipe_policy.h" |
| #include "sandbox/src/policy_broker.h" |
| #include "sandbox/src/policy_params.h" |
| #include "sandbox/src/sandbox.h" |
| |
| |
| namespace sandbox { |
| |
| NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base) |
| : policy_base_(policy_base) { |
| static const IPCCall create_params = { |
| {IPC_CREATENAMEDPIPEW_TAG, WCHAR_TYPE, ULONG_TYPE, ULONG_TYPE, ULONG_TYPE, |
| ULONG_TYPE, ULONG_TYPE, ULONG_TYPE}, |
| reinterpret_cast<CallbackGeneric>(&NamedPipeDispatcher::CreateNamedPipe) |
| }; |
| |
| ipc_calls_.push_back(create_params); |
| } |
| |
| bool NamedPipeDispatcher::SetupService(InterceptionManager* manager, |
| int service) { |
| if (IPC_CREATENAMEDPIPEW_TAG == service) |
| return INTERCEPT_EAT(manager, L"kernel32.dll", CreateNamedPipeW, |
| CREATE_NAMED_PIPE_ID, 36); |
| |
| return false; |
| } |
| |
| bool NamedPipeDispatcher::CreateNamedPipe( |
| IPCInfo* ipc, std::wstring* name, DWORD open_mode, DWORD pipe_mode, |
| DWORD max_instances, DWORD out_buffer_size, DWORD in_buffer_size, |
| DWORD default_timeout) { |
| const wchar_t* pipe_name = name->c_str(); |
| CountedParameterSet<NameBased> params; |
| params[NameBased::NAME] = ParamPickerMake(pipe_name); |
| |
| EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG, |
| params.GetBase()); |
| |
| HANDLE pipe; |
| DWORD ret = NamedPipePolicy::CreateNamedPipeAction(eval, *ipc->client_info, |
| *name, open_mode, |
| pipe_mode, max_instances, |
| out_buffer_size, |
| in_buffer_size, |
| default_timeout, &pipe); |
| |
| ipc->return_info.win32_result = ret; |
| ipc->return_info.handle = pipe; |
| return true; |
| } |
| |
| } // namespace sandbox |