1// Copyright (C) 2016 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef _INIT_CAPABILITIES_H
16#define _INIT_CAPABILITIES_H
17
18#include <sys/capability.h>
19
20#include <bitset>
21#include <string>
22#include <type_traits>
23
24namespace android {
25namespace init {
26
27struct CapDeleter {
28    void operator()(cap_t caps) const { cap_free(caps); }
29};
30
31using CapSet = std::bitset<CAP_LAST_CAP + 1>;
32using ScopedCaps = std::unique_ptr<std::remove_pointer<cap_t>::type, CapDeleter>;
33
34int LookupCap(const std::string& cap_name);
35bool CapAmbientSupported();
36unsigned int GetLastValidCap();
37bool SetCapsForExec(const CapSet& to_keep);
38
39}  // namespace init
40}  // namespace android
41
42#endif  // _INIT_CAPABILITIES_H
43