michael@0: // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "sandbox/win/src/named_pipe_dispatcher.h"
michael@0: 
michael@0: #include "base/basictypes.h"
michael@0: 
michael@0: #include "sandbox/win/src/crosscall_client.h"
michael@0: #include "sandbox/win/src/interception.h"
michael@0: #include "sandbox/win/src/interceptors.h"
michael@0: #include "sandbox/win/src/ipc_tags.h"
michael@0: #include "sandbox/win/src/named_pipe_interception.h"
michael@0: #include "sandbox/win/src/named_pipe_policy.h"
michael@0: #include "sandbox/win/src/policy_broker.h"
michael@0: #include "sandbox/win/src/policy_params.h"
michael@0: #include "sandbox/win/src/sandbox.h"
michael@0: 
michael@0: 
michael@0: namespace sandbox {
michael@0: 
michael@0: NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base)
michael@0:     : policy_base_(policy_base) {
michael@0:   static const IPCCall create_params = {
michael@0:     {IPC_CREATENAMEDPIPEW_TAG, WCHAR_TYPE, ULONG_TYPE, ULONG_TYPE, ULONG_TYPE,
michael@0:      ULONG_TYPE, ULONG_TYPE, ULONG_TYPE},
michael@0:     reinterpret_cast<CallbackGeneric>(&NamedPipeDispatcher::CreateNamedPipe)
michael@0:   };
michael@0: 
michael@0:   ipc_calls_.push_back(create_params);
michael@0: }
michael@0: 
michael@0: bool NamedPipeDispatcher::SetupService(InterceptionManager* manager,
michael@0:                                        int service) {
michael@0:   if (IPC_CREATENAMEDPIPEW_TAG == service)
michael@0:     return INTERCEPT_EAT(manager, L"kernel32.dll", CreateNamedPipeW,
michael@0:                          CREATE_NAMED_PIPE_ID, 36);
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: bool NamedPipeDispatcher::CreateNamedPipe(
michael@0:     IPCInfo* ipc, std::wstring* name, DWORD open_mode, DWORD pipe_mode,
michael@0:     DWORD max_instances, DWORD out_buffer_size, DWORD in_buffer_size,
michael@0:     DWORD default_timeout) {
michael@0:   const wchar_t* pipe_name = name->c_str();
michael@0:   CountedParameterSet<NameBased> params;
michael@0:   params[NameBased::NAME] = ParamPickerMake(pipe_name);
michael@0: 
michael@0:   EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG,
michael@0:                                              params.GetBase());
michael@0: 
michael@0:   HANDLE pipe;
michael@0:   DWORD ret = NamedPipePolicy::CreateNamedPipeAction(eval, *ipc->client_info,
michael@0:                                                      *name, open_mode,
michael@0:                                                      pipe_mode, max_instances,
michael@0:                                                      out_buffer_size,
michael@0:                                                      in_buffer_size,
michael@0:                                                      default_timeout, &pipe);
michael@0: 
michael@0:   ipc->return_info.win32_result = ret;
michael@0:   ipc->return_info.handle = pipe;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: }  // namespace sandbox