OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 2012 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 "remoting/host/desktop_session_agent.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "base/single_thread_task_runner.h" |
| 9 #include "base/stringprintf.h" |
| 10 #include "base/utf_string_conversions.h" |
| 11 #include "base/win/scoped_handle.h" |
| 12 #include "base/win/win_util.h" |
| 13 #include "ipc/ipc_channel.h" |
| 14 #include "ipc/ipc_channel_proxy.h" |
| 15 #include "remoting/base/auto_thread_task_runner.h" |
| 16 #include "remoting/host/win/launch_process_with_token.h" |
| 17 |
| 18 using base::win::ScopedHandle; |
| 19 |
| 20 namespace remoting { |
| 21 |
| 22 // Provides screen/audio capturing and input injection services for |
| 23 // the network process. |
| 24 class DesktopSessionAgentWin : public DesktopSessionAgent { |
| 25 public: |
| 26 DesktopSessionAgentWin( |
| 27 scoped_refptr<AutoThreadTaskRunner> caller_task_runner, |
| 28 scoped_refptr<AutoThreadTaskRunner> io_task_runner); |
| 29 virtual ~DesktopSessionAgentWin(); |
| 30 |
| 31 protected: |
| 32 virtual bool DoCreateNetworkChannel( |
| 33 IPC::PlatformFileForTransit* client_out, |
| 34 scoped_ptr<IPC::ChannelProxy>* server_out) OVERRIDE; |
| 35 |
| 36 private: |
| 37 DISALLOW_COPY_AND_ASSIGN(DesktopSessionAgentWin); |
| 38 }; |
| 39 |
| 40 DesktopSessionAgentWin::DesktopSessionAgentWin( |
| 41 scoped_refptr<AutoThreadTaskRunner> caller_task_runner, |
| 42 scoped_refptr<AutoThreadTaskRunner> io_task_runner) |
| 43 : DesktopSessionAgent(caller_task_runner, io_task_runner) { |
| 44 } |
| 45 |
| 46 DesktopSessionAgentWin::~DesktopSessionAgentWin() { |
| 47 } |
| 48 |
| 49 bool DesktopSessionAgentWin::DoCreateNetworkChannel( |
| 50 IPC::PlatformFileForTransit* client_out, |
| 51 scoped_ptr<IPC::ChannelProxy>* server_out) { |
| 52 // Generate a unique name for the channel. |
| 53 std::string channel_name = IPC::Channel::GenerateUniqueRandomChannelID(); |
| 54 |
| 55 // presubmit: allow wstring |
| 56 std::wstring user_sid; |
| 57 if (!base::win::GetUserSidString(&user_sid)) { |
| 58 LOG(ERROR) << "Failed to query the current user SID."; |
| 59 return false; |
| 60 } |
| 61 |
| 62 // Create a security descriptor that will be used to protect the named pipe in |
| 63 // between CreateNamedPipe() and CreateFile() calls before it will be passed |
| 64 // to the network process. It gives full access to the account that |
| 65 // the calling code is running under and denies access by anyone else. |
| 66 std::string security_descriptor = base::StringPrintf( |
| 67 "O:%1$sG:%1$sD:(A;;GA;;;%1$s)", WideToUTF8(user_sid).c_str()); |
| 68 |
| 69 // Create a connected IPC channel. |
| 70 ScopedHandle client; |
| 71 scoped_ptr<IPC::ChannelProxy> server; |
| 72 if (!CreateConnectedIpcChannel(channel_name, security_descriptor, |
| 73 io_task_runner(), this, &client, &server)) { |
| 74 return false; |
| 75 } |
| 76 |
| 77 *client_out = client.Take(); |
| 78 *server_out = server.Pass(); |
| 79 return true; |
| 80 } |
| 81 |
| 82 // static |
| 83 scoped_ptr<DesktopSessionAgent> DesktopSessionAgent::Create( |
| 84 scoped_refptr<AutoThreadTaskRunner> caller_task_runner, |
| 85 scoped_refptr<AutoThreadTaskRunner> io_task_runner) { |
| 86 return scoped_ptr<DesktopSessionAgent>(new DesktopSessionAgentWin( |
| 87 caller_task_runner, io_task_runner)); |
| 88 } |
| 89 |
| 90 } // namespace remoting |
OLD | NEW |