1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2018 Alan Somers
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 #include <errno.h>
30 #include <fcntl.h>
31 #include <pthread.h>
32 #include <signal.h>
33 #include <sys/socket.h>
34 #include <sys/un.h>
35
36 #include <stdio.h>
37
38 #include <atf-c.h>
39
40 /* getpeereid(3) should work with stream sockets created via socketpair(2) */
41 ATF_TC_WITHOUT_HEAD(getpeereid);
ATF_TC_BODY(getpeereid,tc)42 ATF_TC_BODY(getpeereid, tc)
43 {
44 int sv[2];
45 int s;
46 uid_t real_euid, euid;
47 gid_t real_egid, egid;
48
49 real_euid = geteuid();
50 real_egid = getegid();
51
52 s = socketpair(PF_LOCAL, SOCK_STREAM, 0, sv);
53 ATF_CHECK_EQ(0, s);
54 ATF_CHECK(sv[0] >= 0);
55 ATF_CHECK(sv[1] >= 0);
56 ATF_CHECK(sv[0] != sv[1]);
57
58 ATF_REQUIRE_EQ(0, getpeereid(sv[0], &euid, &egid));
59 ATF_CHECK_EQ(real_euid, euid);
60 ATF_CHECK_EQ(real_egid, egid);
61
62 ATF_REQUIRE_EQ(0, getpeereid(sv[1], &euid, &egid));
63 ATF_CHECK_EQ(real_euid, euid);
64 ATF_CHECK_EQ(real_egid, egid);
65
66 close(sv[0]);
67 close(sv[1]);
68 }
69
70
ATF_TP_ADD_TCS(tp)71 ATF_TP_ADD_TCS(tp)
72 {
73 ATF_TP_ADD_TC(tp, getpeereid);
74
75 return atf_no_error();
76 }
77