This file is indexed.

/usr/include/thunderbird/mozilla/SandboxInfo.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_SandboxInfo_h
#define mozilla_SandboxInfo_h

#include "mozilla/Types.h"

// Information on what parts of sandboxing are enabled in this build
// and/or supported by the system.

namespace mozilla {

class SandboxInfo {
public:
  // No need to prevent copying; this is essentially just a const int.
  SandboxInfo(const SandboxInfo& aOther) : mFlags(aOther.mFlags) { }

  // Flags are checked at initializer time; this returns them.
  static const SandboxInfo& Get() { return sSingleton; }

  enum Flags {
    // System call filtering; kernel config option CONFIG_SECCOMP_FILTER.
    kHasSeccompBPF     = 1 << 0,
    // Config flag MOZ_CONTENT_SANDBOX; env var MOZ_DISABLE_CONTENT_SANDBOX.
    kEnabledForContent = 1 << 1,
    // Config flag MOZ_GMP_SANDBOX; env var MOZ_DISABLE_GMP_SANDBOX.
    kEnabledForMedia   = 1 << 2,
    // Env var MOZ_SANDBOX_VERBOSE.
    kVerbose           = 1 << 3,
  };

  bool Test(Flags aFlag) const { return (mFlags & aFlag) == aFlag; }

  // Returns true if SetContentProcessSandbox may be called.
  bool CanSandboxContent() const
  {
    return !Test(kEnabledForContent) || Test(kHasSeccompBPF);
  }

  // Returns true if SetMediaPluginSandbox may be called.
  bool CanSandboxMedia() const
  {
    return !Test(kEnabledForMedia) || Test(kHasSeccompBPF);
  }
private:
  enum Flags mFlags;
  static MOZ_EXPORT const SandboxInfo sSingleton;
  SandboxInfo();
};

} // namespace mozilla

#endif // mozilla_SandboxInfo_h