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