tests/lib/libc/c063/t_fexecve.c

   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 }