t_fexecve.c revision 272343 
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
48ATF_TC(fexecve);
49ATF_TC_HEAD(fexecve, tc)
50{
51	atf_tc_set_md_var(tc, "descr", "See that fexecve works");
52}
53ATF_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
88ATF_TP_ADD_TCS(tp)
89{
90
91	ATF_TP_ADD_TC(tp, fexecve);
92
93	return atf_no_error();
94}
95