xref: /freebsd/contrib/netbsd-tests/lib/libc/c063/t_fexecve.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: t_fexecve.c,v 1.2 2013/03/17 04:35:59 jmmv Exp $ */
2 
3 /*-
4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Emmanuel Dreyfus.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_fexecve.c,v 1.2 2013/03/17 04:35:59 jmmv Exp $");
33 
34 #include <sys/wait.h>
35 
36 #include <atf-c.h>
37 #include <err.h>
38 #include <errno.h>
39 #include <fcntl.h>
40 #include <limits.h>
41 #include <paths.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <unistd.h>
46 #include <sys/param.h>
47 
48 ATF_TC(fexecve);
49 ATF_TC_HEAD(fexecve, tc)
50 {
51 	atf_tc_set_md_var(tc, "descr", "See that fexecve works");
52 }
53 ATF_TC_BODY(fexecve, tc)
54 {
55 	int status;
56 	pid_t pid;
57 	const char *const argv[] = { "touch", "test", NULL };
58 	const char *const envp[] = { NULL };
59 
60 	ATF_REQUIRE((pid = fork()) != -1);
61 	if (pid == 0) {
62 		int fd;
63 
64 		if ((fd = open("/usr/bin/touch", O_RDONLY, 0)) == -1)
65 			err(EXIT_FAILURE, "open /usr/bin/touch");
66 
67 		if (fexecve(fd, __UNCONST(argv), __UNCONST(envp)) == -1) {
68 			int error;
69 			if (errno == ENOSYS)
70 				error = 76;
71 			else
72 				error = EXIT_FAILURE;
73 			err(error, "fexecve");
74 		}
75 	}
76 
77 	ATF_REQUIRE(waitpid(pid, &status, 0) != -1);
78 	if (!WIFEXITED(status))
79 		atf_tc_fail("child process did not exit cleanly");
80 	if (WEXITSTATUS(status) == 76)
81 		atf_tc_expect_fail("fexecve not implemented");
82 	else
83 		ATF_REQUIRE(WEXITSTATUS(status) == EXIT_SUCCESS);
84 
85 	ATF_REQUIRE(access("test", F_OK) == 0);
86 }
87 
88 ATF_TP_ADD_TCS(tp)
89 {
90 
91 	ATF_TP_ADD_TC(tp, fexecve);
92 
93 	return atf_no_error();
94 }
95