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      1 /*	$NetBSD: t_fexecve.c,v 1.3 2017/01/10 15:15:09 christos 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 1.3 2017/01/10 15:15:09 christos 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 			(void)close(fd);
     74 			err(error, "fexecve");
     75 		}
     76 	}
     77 
     78 	ATF_REQUIRE(waitpid(pid, &status, 0) != -1);
     79 	if (!WIFEXITED(status))
     80 		atf_tc_fail("child process did not exit cleanly");
     81 	if (WEXITSTATUS(status) == 76)
     82 		atf_tc_expect_fail("fexecve not implemented");
     83 	else
     84 		ATF_REQUIRE(WEXITSTATUS(status) == EXIT_SUCCESS);
     85 
     86 	ATF_REQUIRE(access("test", F_OK) == 0);
     87 }
     88 
     89 ATF_TP_ADD_TCS(tp)
     90 {
     91 
     92 	ATF_TP_ADD_TC(tp, fexecve);
     93 
     94 	return atf_no_error();
     95 }
     96