remoting/host/win/unprivileged_process_delegate.h

   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 #ifndef REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_
   6 #define REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/files/file_path.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/threading/non_thread_safe.h"
  14 #include "base/win/scoped_handle.h"
  15 #include "ipc/ipc_listener.h"
  16 #include "remoting/host/win/worker_process_launcher.h"
  17
  18 namespace base {
  19 class CommandLine;
  20 class SingleThreadTaskRunner;
  21 } // namespace base
  22
  23 namespace IPC {
  24 class ChannelProxy;
  25 class Message;
  26 } // namespace IPC
  27
  28 namespace remoting {
  29
  30 // Implements logic for launching and monitoring a worker process under a less
  31 // privileged user account.
  32 class UnprivilegedProcessDelegate
  33     : public base::NonThreadSafe,
  34       public IPC::Listener,
  35       public WorkerProcessLauncher::Delegate {
  36  public:
  37   UnprivilegedProcessDelegate(
  38       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
  39       scoped_ptr<base::CommandLine> target_command);
  40   ~UnprivilegedProcessDelegate() override;
  41
  42   // WorkerProcessLauncher::Delegate implementation.
  43   void LaunchProcess(WorkerProcessLauncher* event_handler) override;
  44   void Send(IPC::Message* message) override;
  45   void CloseChannel() override;
  46   void KillProcess() override;
  47
  48  private:
  49   // IPC::Listener implementation.
  50   bool OnMessageReceived(const IPC::Message& message) override;
  51   void OnChannelConnected(int32 peer_pid) override;
  52   void OnChannelError() override;
  53
  54   void ReportFatalError();
  55   void ReportProcessLaunched(base::win::ScopedHandle worker_process);
  56
  57   // The task runner serving job object notifications.
  58   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
  59
  60   // Command line of the launched process.
  61   scoped_ptr<base::CommandLine> target_command_;
  62
  63   // The server end of the IPC channel used to communicate to the worker
  64   // process.
  65   scoped_ptr<IPC::ChannelProxy> channel_;
  66
  67   WorkerProcessLauncher* event_handler_;
  68
  69   // The handle of the worker process, if launched.
  70   base::win::ScopedHandle worker_process_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(UnprivilegedProcessDelegate);
  73 };
  74
  75 }  // namespace remoting
  76
  77 #endif  // REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_