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 31 struct cap_hdr { 32 uint32_t version; 33 int pid; 34 }; 35 36 struct 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