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