LinuxCapabilities.cpp (905B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "LinuxCapabilities.h" 8 9 #include <unistd.h> 10 #include <sys/syscall.h> 11 12 namespace mozilla { 13 14 bool LinuxCapabilities::GetCurrent() { 15 __user_cap_header_struct header = {_LINUX_CAPABILITY_VERSION_3, 0}; 16 return syscall(__NR_capget, &header, &mBits) == 0 && 17 header.version == _LINUX_CAPABILITY_VERSION_3; 18 } 19 20 bool LinuxCapabilities::SetCurrentRaw() const { 21 __user_cap_header_struct header = {_LINUX_CAPABILITY_VERSION_3, 0}; 22 return syscall(__NR_capset, &header, &mBits) == 0 && 23 header.version == _LINUX_CAPABILITY_VERSION_3; 24 } 25 26 } // namespace mozilla