1// 2// Automated Testing Framework (atf) 3// 4// Copyright (c) 2007 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#include <unistd.h> 35 36#include "../atf-c/detail/user.h" 37} 38 39#include <stdexcept> 40#include <string> 41 42#include "../atf-c++/detail/sanity.hpp" 43 44#include "user.hpp" 45 46namespace impl = atf::atf_run; 47#define IMPL_NAME "atf::atf_run" 48 49uid_t 50impl::euid(void) 51{ 52 return atf_user_euid(); 53} 54 55void 56impl::drop_privileges(const std::pair< int, int > ids) 57{ 58 if (::setgid(ids.second) == -1) 59 throw std::runtime_error("Failed to drop group privileges"); 60 if (::setuid(ids.first) == -1) 61 throw std::runtime_error("Failed to drop user privileges"); 62} 63 64std::pair< int, int > 65impl::get_user_ids(const std::string& user) 66{ 67 const struct passwd* pw = ::getpwnam(user.c_str()); 68 if (pw == NULL) 69 throw std::runtime_error("Failed to get information for user " + user); 70 return std::make_pair(pw->pw_uid, pw->pw_gid); 71} 72 73bool 74impl::is_member_of_group(gid_t gid) 75{ 76 return atf_user_is_member_of_group(gid); 77} 78 79bool 80impl::is_root(void) 81{ 82 return atf_user_is_root(); 83} 84 85bool 86impl::is_unprivileged(void) 87{ 88 return atf_user_is_unprivileged(); 89} 90