NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
privilege-helper.hpp
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2019, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NFD_DAEMON_COMMON_PRIVILEGE_HELPER_HPP
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#define NFD_DAEMON_COMMON_PRIVILEGE_HELPER_HPP
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#include "
core/common.hpp
"
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#include <unistd.h>
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namespace
nfd
{
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class
PrivilegeHelper
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{
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public
:
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class
Error
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{
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public
:
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explicit
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Error
(
const
std::string&
what
)
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: m_whatMessage(
what
)
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{
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}
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const
char
*
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what
()
const
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{
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return
m_whatMessage.data();
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}
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private
:
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const
std::string m_whatMessage;
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};
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static
void
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initialize
(
const
std::string& userName,
const
std::string& groupName);
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static
void
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drop
();
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template
<
class
F>
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static
void
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runElevated
(F&& f)
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{
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raise
();
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try
{
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f();
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}
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catch
(...) {
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drop
();
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throw
;
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}
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drop
();
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}
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PUBLIC_WITH_TESTS_ELSE_PRIVATE
:
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static
void
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raise
();
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PUBLIC_WITH_TESTS_ELSE_PRIVATE
:
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#ifdef HAVE_PRIVILEGE_DROP_AND_ELEVATE
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static
uid_t s_normalUid;
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static
gid_t s_normalGid;
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static
uid_t s_privilegedUid;
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static
gid_t s_privilegedGid;
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#endif // HAVE_PRIVILEGE_DROP_AND_ELEVATE
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};
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}
// namespace nfd
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#endif // NFD_DAEMON_COMMON_PRIVILEGE_HELPER_HPP
PUBLIC_WITH_TESTS_ELSE_PRIVATE
#define PUBLIC_WITH_TESTS_ELSE_PRIVATE
Definition:
common.hpp:41
nfd::PrivilegeHelper::Error
represents a serious seteuid/gid failure
Definition:
privilege-helper.hpp:44
nfd::PrivilegeHelper::initialize
static void initialize(const std::string &userName, const std::string &groupName)
Definition:
privilege-helper.cpp:45
nfd::PrivilegeHelper
Definition:
privilege-helper.hpp:36
common.hpp
nfd
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-common.hpp:40
nfd::PrivilegeHelper::drop
static void drop()
Definition:
privilege-helper.cpp:122
nfd::PrivilegeHelper::runElevated
static void runElevated(F &&f)
Definition:
privilege-helper.hpp:70
nfd::PrivilegeHelper::Error::what
const char * what() const
Definition:
privilege-helper.hpp:53
nfd::PrivilegeHelper::Error::Error
Error(const std::string &what)
Definition:
privilege-helper.hpp:47
ndnSIM
NFD
daemon
common
privilege-helper.hpp
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