1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "sandbox/win/src/named_pipe_dispatcher.h" 6 7 #include "base/basictypes.h" 8 9 #include "sandbox/win/src/crosscall_client.h" 10 #include "sandbox/win/src/interception.h" 11 #include "sandbox/win/src/interceptors.h" 12 #include "sandbox/win/src/ipc_tags.h" 13 #include "sandbox/win/src/named_pipe_interception.h" 14 #include "sandbox/win/src/named_pipe_policy.h" 15 #include "sandbox/win/src/policy_broker.h" 16 #include "sandbox/win/src/policy_params.h" 17 #include "sandbox/win/src/sandbox.h" 18 19 20 namespace sandbox { 21 22 NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base) 23 : policy_base_(policy_base) { 24 static const IPCCall create_params = { 25 {IPC_CREATENAMEDPIPEW_TAG, WCHAR_TYPE, ULONG_TYPE, ULONG_TYPE, ULONG_TYPE, 26 ULONG_TYPE, ULONG_TYPE, ULONG_TYPE}, 27 reinterpret_cast<CallbackGeneric>(&NamedPipeDispatcher::CreateNamedPipe) 28 }; 29 30 ipc_calls_.push_back(create_params); 31 } 32 33 bool NamedPipeDispatcher::SetupService(InterceptionManager* manager, 34 int service) { 35 if (IPC_CREATENAMEDPIPEW_TAG == service) 36 return INTERCEPT_EAT(manager, L"kernel32.dll", CreateNamedPipeW, 37 CREATE_NAMED_PIPE_ID, 36); 38 39 return false; 40 } 41 42 bool NamedPipeDispatcher::CreateNamedPipe( 43 IPCInfo* ipc, std::wstring* name, DWORD open_mode, DWORD pipe_mode, 44 DWORD max_instances, DWORD out_buffer_size, DWORD in_buffer_size, 45 DWORD default_timeout) { 46 const wchar_t* pipe_name = name->c_str(); 47 CountedParameterSet<NameBased> params; 48 params[NameBased::NAME] = ParamPickerMake(pipe_name); 49 50 EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG, 51 params.GetBase()); 52 53 HANDLE pipe; 54 DWORD ret = NamedPipePolicy::CreateNamedPipeAction(eval, *ipc->client_info, 55 *name, open_mode, 56 pipe_mode, max_instances, 57 out_buffer_size, 58 in_buffer_size, 59 default_timeout, &pipe); 60 61 ipc->return_info.win32_result = ret; 62 ipc->return_info.handle = pipe; 63 return true; 64 } 65 66 } // namespace sandbox 67