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 static void
do_socketpair(int * sv)41 do_socketpair(int *sv)
42 {
43 int s;
44
45 s = socketpair(PF_LOCAL, SOCK_STREAM, 0, sv);
46 ATF_REQUIRE_EQ(0, s);
47 ATF_REQUIRE(sv[0] >= 0);
48 ATF_REQUIRE(sv[1] >= 0);
49 ATF_REQUIRE(sv[0] != sv[1]);
50 }
51
52 /* getpeereid(3) should work with stream sockets created via socketpair(2) */
53 ATF_TC_WITHOUT_HEAD(getpeereid);
ATF_TC_BODY(getpeereid,tc)54 ATF_TC_BODY(getpeereid, tc)
55 {
56 int sv[2];
57 uid_t real_euid, euid;
58 gid_t real_egid, egid;
59
60 real_euid = geteuid();
61 real_egid = getegid();
62
63 do_socketpair(sv);
64
65 ATF_REQUIRE_EQ(0, getpeereid(sv[0], &euid, &egid));
66 ATF_CHECK_EQ(real_euid, euid);
67 ATF_CHECK_EQ(real_egid, egid);
68
69 ATF_REQUIRE_EQ(0, getpeereid(sv[1], &euid, &egid));
70 ATF_CHECK_EQ(real_euid, euid);
71 ATF_CHECK_EQ(real_egid, egid);
72
73 close(sv[0]);
74 close(sv[1]);
75 }
76
77 /* Sending zero bytes should succeed (once regressed in aba79b0f4a3f). */
78 ATF_TC_WITHOUT_HEAD(send_0);
ATF_TC_BODY(send_0,tc)79 ATF_TC_BODY(send_0, tc)
80 {
81 int sv[2];
82
83 do_socketpair(sv);
84 ATF_REQUIRE(send(sv[0], sv, 0, 0) == 0);
85 close(sv[0]);
86 close(sv[1]);
87 }
88
89
ATF_TP_ADD_TCS(tp)90 ATF_TP_ADD_TCS(tp)
91 {
92 ATF_TP_ADD_TC(tp, getpeereid);
93 ATF_TP_ADD_TC(tp, send_0);
94
95 return atf_no_error();
96 }
97