1// Copyright (c) 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#ifndef SANDBOX_SRC_JOB_H_
6#define SANDBOX_SRC_JOB_H_
7
8#include "base/basictypes.h"
9#include "sandbox/win/src/restricted_token_utils.h"
10
11namespace sandbox {
12
13// Handles the creation of job objects based on a security profile.
14// Sample usage:
15//   Job job;
16//   job.Init(JOB_LOCKDOWN, NULL);  //no job name
17//   job.AssignProcessToJob(process_handle);
18class Job {
19 public:
20  Job() : job_handle_(NULL) { }
21
22  ~Job();
23
24  // Initializes and creates the job object. The security of the job is based
25  // on the security_level parameter.
26  // job_name can be NULL if the job is unnamed.
27  // If the chosen profile has too many ui restrictions, you can disable some
28  // by specifying them in the ui_exceptions parameters.
29  // If the function succeeds, the return value is ERROR_SUCCESS. If the
30  // function fails, the return value is the win32 error code corresponding to
31  // the error.
32  DWORD Init(JobLevel security_level,
33             const wchar_t* job_name,
34             DWORD ui_exceptions,
35             size_t memory_limit);
36
37  // Assigns the process referenced by process_handle to the job.
38  // If the function succeeds, the return value is ERROR_SUCCESS. If the
39  // function fails, the return value is the win32 error code corresponding to
40  // the error.
41  DWORD AssignProcessToJob(HANDLE process_handle);
42
43  // Grants access to "handle" to the job. All processes in the job can
44  // subsequently recognize and use the handle.
45  // If the function succeeds, the return value is ERROR_SUCCESS. If the
46  // function fails, the return value is the win32 error code corresponding to
47  // the error.
48  DWORD UserHandleGrantAccess(HANDLE handle);
49
50  // Revokes ownership to the job handle and returns it. The destructor of the
51  // class won't close the handle when called.
52  // If the object is not yet initialized, it returns 0.
53  HANDLE Detach();
54
55 private:
56  // Handle to the job referenced by the object.
57  HANDLE job_handle_;
58
59  DISALLOW_COPY_AND_ASSIGN(Job);
60};
61
62}  // namespace sandbox
63
64
65#endif  // SANDBOX_SRC_JOB_H_
66