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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/host/win/launch_process_with_token.h" | |
16 | |
17 using base::win::ScopedHandle; | |
18 | |
19 const char kSelfSecurityDescriptorFormat[] = "O:%1$sG:%1$sD:(A;;GA;;;%1$s)"; | |
Sergey Ulanov
2012/10/24 20:12:01
static or anonymous namespace. Or maybe move it in
alexeypa (please no reviews)
2012/10/24 21:41:51
It is a constant. It is limited to the file scope
| |
20 | |
21 namespace remoting { | |
22 | |
23 // Provides screen/audio capturing and input injection services for | |
24 // the network process. | |
25 class DesktopSessionAgentWin : public DesktopSessionAgent { | |
26 public: | |
27 DesktopSessionAgentWin( | |
28 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, | |
29 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner); | |
30 virtual ~DesktopSessionAgentWin(); | |
31 | |
32 protected: | |
33 virtual bool DoCreateNetworkChannel( | |
34 IPC::PlatformFileForTransit* client_out, | |
35 scoped_ptr<IPC::ChannelProxy>* server_out) OVERRIDE; | |
36 | |
37 private: | |
38 DISALLOW_COPY_AND_ASSIGN(DesktopSessionAgentWin); | |
39 }; | |
40 | |
41 DesktopSessionAgentWin::DesktopSessionAgentWin( | |
42 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, | |
43 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) | |
44 : DesktopSessionAgent(caller_task_runner, io_task_runner) { | |
45 } | |
46 | |
47 DesktopSessionAgentWin::~DesktopSessionAgentWin() { | |
48 } | |
49 | |
50 bool DesktopSessionAgentWin::DoCreateNetworkChannel( | |
51 IPC::PlatformFileForTransit* client_out, | |
52 scoped_ptr<IPC::ChannelProxy>* server_out) { | |
53 // Generate a unique name for the channel. | |
54 std::string channel_name = IPC::Channel::GenerateUniqueRandomChannelID(); | |
55 | |
56 // presubmit: allow wstring | |
Sergey Ulanov
2012/10/24 20:12:01
remove this comment?
alexeypa (please no reviews)
2012/10/24 21:41:51
It is necessary to suppress the presubmit warning.
| |
57 std::wstring user_sid; | |
58 if (!base::win::GetUserSidString(&user_sid)) { | |
59 LOG(ERROR) << "Failed to query the current user SID."; | |
60 return false; | |
61 } | |
62 | |
63 // Create a security descriptor that will be used to protect the named pipe in | |
64 // between CreateNamedPipe() and CreateFile() calls before it will be passed | |
65 // to the network process. It gives full access to the account that | |
66 // the calling code is running under and denies access by anyone else. | |
67 std::string security_descriptor = base::StringPrintf( | |
68 kSelfSecurityDescriptorFormat, WideToUTF8(user_sid).c_str()); | |
69 | |
70 // Create a connected IPC channel. | |
71 ScopedHandle client; | |
72 scoped_ptr<IPC::ChannelProxy> server; | |
73 if (!CreateConnectedIpcChannel(channel_name, security_descriptor, | |
74 io_task_runner(), this, &client, &server)) { | |
75 return false; | |
76 } | |
77 | |
78 *client_out = client.Take(); | |
79 *server_out = server.Pass(); | |
80 return true; | |
81 } | |
82 | |
83 // static | |
84 scoped_ptr<DesktopSessionAgent> DesktopSessionAgent::Create( | |
85 scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, | |
86 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) { | |
87 return scoped_ptr<DesktopSessionAgent>(new DesktopSessionAgentWin( | |
88 caller_task_runner, io_task_runner)); | |
89 } | |
90 | |
91 } // namespace remoting | |
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