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