sandbox/win/src/job.h

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