1// Copyright 2015 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_LINUX_SYSTEM_HEADERS_LINUX_CAPABILITY_H_ 6#define SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_CAPABILITY_H_ 7 8#include <stdint.h> 9 10// The following macros are taken from linux/capability.h. 11// We only support capability version 3, which was introduced in Linux 2.6.26. 12#ifndef _LINUX_CAPABILITY_VERSION_3 13#define _LINUX_CAPABILITY_VERSION_3 0x20080522 14#endif 15#ifndef _LINUX_CAPABILITY_U32S_3 16#define _LINUX_CAPABILITY_U32S_3 2 17#endif 18#ifndef CAP_TO_INDEX 19#define CAP_TO_INDEX(x) ((x) >> 5) // 1 << 5 == bits in __u32 20#endif 21#ifndef CAP_TO_MASK 22#define CAP_TO_MASK(x) (1 << ((x) & 31)) // mask for indexed __u32 23#endif 24#ifndef CAP_SYS_CHROOT 25#define CAP_SYS_CHROOT 18 26#endif 27#ifndef CAP_SYS_ADMIN 28#define CAP_SYS_ADMIN 21 29#endif 30 31struct cap_hdr { 32 uint32_t version; 33 int pid; 34}; 35 36struct cap_data { 37 uint32_t effective; 38 uint32_t permitted; 39 uint32_t inheritable; 40}; 41 42#endif // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_CAPABILITY_H_ 43