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