xref: /openbsd/regress/lib/libc/sys/t_getsid.c (revision e5dd7070)
1 /*	$OpenBSD: t_getsid.c,v 1.1.1.1 2019/11/19 19:57:03 bluhm Exp $	*/
2 /* $NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
3 
4 /*-
5  * Copyright (c) 2011 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Jukka Ruohonen.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include "macros.h"
34 
35 #include <sys/cdefs.h>
36 __RCSID("$NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
37 
38 #include <sys/wait.h>
39 
40 #include <errno.h>
41 #include <stdlib.h>
42 #include <unistd.h>
43 
44 #include "atf-c.h"
45 
46 ATF_TC(getsid_current);
47 ATF_TC_HEAD(getsid_current, tc)
48 {
49 	atf_tc_set_md_var(tc, "descr", "Test getsid(0)");
50 }
51 
52 ATF_TC_BODY(getsid_current, tc)
53 {
54 	pid_t sid;
55 
56 	sid = getsid(0);
57 	ATF_REQUIRE(sid != -1);
58 
59 	if (sid != getsid(getpid()))
60 		atf_tc_fail("getsid(0) did not match the calling process");
61 }
62 
63 ATF_TC(getsid_err);
64 ATF_TC_HEAD(getsid_err, tc)
65 {
66 	atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)");
67 }
68 
69 ATF_TC_BODY(getsid_err, tc)
70 {
71 
72 	errno = 0;
73 
74 	ATF_REQUIRE(getsid(-1) == -1);
75 	ATF_REQUIRE(errno == ESRCH);
76 }
77 
78 ATF_TC(getsid_process);
79 ATF_TC_HEAD(getsid_process, tc)
80 {
81 	atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes");
82 }
83 
84 ATF_TC_BODY(getsid_process, tc)
85 {
86 	pid_t csid, pid, ppid, sid;
87 	int sta;
88 
89 	sid = getsid(0);
90 	pid = fork();
91 
92 	ATF_REQUIRE(pid >= 0);
93 	ATF_REQUIRE(sid != -1);
94 
95 	if (pid == 0) {
96 
97 		csid = getsid(0);
98 		ppid = getppid();
99 
100 		if (sid != csid)
101 			_exit(EXIT_FAILURE);
102 
103 		if (getsid(ppid) != csid)
104 			_exit(EXIT_FAILURE);
105 
106 		_exit(EXIT_SUCCESS);
107 	}
108 
109 	(void)wait(&sta);
110 
111 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
112 		atf_tc_fail("invalid session ID");
113 }
114 
115 ATF_TP_ADD_TCS(tp)
116 {
117 
118 	ATF_TP_ADD_TC(tp, getsid_current);
119 	ATF_TP_ADD_TC(tp, getsid_err);
120 	ATF_TP_ADD_TC(tp, getsid_process);
121 
122 	return atf_no_error();
123 }
124