unix_socketpair_test.c revision 339068 
1/*-
2 * Copyright (c) 2018 Alan Somers
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: stable/10/tests/sys/kern/unix_socketpair_test.c 339068 2018-10-01 18:00:52Z asomers $");
28
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) */
41ATF_TC_WITHOUT_HEAD(getpeereid);
42ATF_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
71ATF_TP_ADD_TCS(tp)
72{
73	ATF_TP_ADD_TC(tp, getpeereid);
74
75	return atf_no_error();
76}
77