1// 2// Automated Testing Framework (atf) 3// 4// Copyright (c) 2007, 2008 The NetBSD Foundation, Inc. 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions 9// are met: 10// 1. Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// 2. Redistributions in binary form must reproduce the above copyright 13// notice, this list of conditions and the following disclaimer in the 14// documentation and/or other materials provided with the distribution. 15// 16// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 17// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 21// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29 30extern "C" { 31#include <sys/types.h> 32 33#include <pwd.h> 34 35#include "../atf-c/detail/user.h" 36} 37 38#include <stdexcept> 39 40#include "../atf-c++/detail/sanity.hpp" 41 42#include "user.hpp" 43 44namespace impl = atf::atf_run; 45#define IMPL_NAME "atf::atf_run" 46 47uid_t 48impl::euid(void) 49{ 50 return atf_user_euid(); 51} 52 53void 54impl::drop_privileges(const std::pair< int, int > ids) 55{ 56 if (::setgid(ids.second) == -1) 57 throw std::runtime_error("Failed to drop group privileges"); 58 if (::setuid(ids.first) == -1) 59 throw std::runtime_error("Failed to drop user privileges"); 60} 61 62std::pair< int, int > 63impl::get_user_ids(const std::string& user) 64{ 65 const struct passwd* pw = ::getpwnam(user.c_str()); 66 if (pw == NULL) 67 throw std::runtime_error("Failed to get information for user " + user); 68 return std::make_pair(pw->pw_uid, pw->pw_gid); 69} 70 71bool 72impl::is_member_of_group(gid_t gid) 73{ 74 return atf_user_is_member_of_group(gid); 75} 76 77bool 78impl::is_root(void) 79{ 80 return atf_user_is_root(); 81} 82 83bool 84impl::is_unprivileged(void) 85{ 86 return atf_user_is_unprivileged(); 87} 88