tests/lib/libc/c063/t_faccessat.c

   1 /*      $NetBSD: t_faccessat.c,v 1.2 2013/03/17 04:46:06 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_faccessat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $");
  33
  34 #include <atf-c.h>
  35 #include <errno.h>
  36 #include <fcntl.h>
  37 #include <limits.h>
  38 #include <paths.h>
  39 #include <stdio.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42 #include <sys/param.h>
  43
  44 #define DIR "dir"
  45 #define FILE "dir/faccessat"
  46 #define BASEFILE "faccessat"
  47 #define LINK "dir/symlink"
  48 #define BASELINK "symlink"
  49 #define FILEERR "dir/faccessaterr"
  50
  51 ATF_TC(faccessat_fd);
  52 ATF_TC_HEAD(faccessat_fd, tc)
  53 {
  54         atf_tc_set_md_var(tc, "descr", "See that faccessat works with fd");
  55 }
  56 ATF_TC_BODY(faccessat_fd, tc)
  57 {
  58         int dfd;
  59         int fd;
  60
  61         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
  62         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
  63         ATF_REQUIRE(close(fd) == 0);
  64
  65         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
  66         ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == 0);
  67         ATF_REQUIRE(close(dfd) == 0);
  68 }
  69
  70 ATF_TC(faccessat_fdcwd);
  71 ATF_TC_HEAD(faccessat_fdcwd, tc)
  72 {
  73         atf_tc_set_md_var(tc, "descr",
  74                           "See that faccessat works with fd as AT_FDCWD");
  75 }
  76 ATF_TC_BODY(faccessat_fdcwd, tc)
  77 {
  78         int fd;
  79
  80         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
  81         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
  82         ATF_REQUIRE(close(fd) == 0);
  83
  84         ATF_REQUIRE(chdir(DIR) == 0);
  85         ATF_REQUIRE(faccessat(AT_FDCWD, BASEFILE, F_OK, 0) == 0);
  86 }
  87
  88 ATF_TC(faccessat_fdcwderr);
  89 ATF_TC_HEAD(faccessat_fdcwderr, tc)
  90 {
  91         atf_tc_set_md_var(tc, "descr",
  92                   "See that faccessat fails with fd as AT_FDCWD and bad path");
  93 }
  94 ATF_TC_BODY(faccessat_fdcwderr, tc)
  95 {
  96         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
  97         ATF_REQUIRE(faccessat(AT_FDCWD, FILEERR, F_OK, 0) == -1);
  98 }
  99
 100 ATF_TC(faccessat_fderr1);
 101 ATF_TC_HEAD(faccessat_fderr1, tc)
 102 {
 103         atf_tc_set_md_var(tc, "descr", "See that faccessat fail with bad path");
 104 }
 105 ATF_TC_BODY(faccessat_fderr1, tc)
 106 {
 107         int dfd;
 108
 109         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 110         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
 111         ATF_REQUIRE(faccessat(dfd, FILEERR, F_OK, 0) == -1);
 112         ATF_REQUIRE(close(dfd) == 0);
 113 }
 114
 115 ATF_TC(faccessat_fderr2);
 116 ATF_TC_HEAD(faccessat_fderr2, tc)
 117 {
 118         atf_tc_set_md_var(tc, "descr", "See that faccessat fails with bad fdat");
 119 }
 120 ATF_TC_BODY(faccessat_fderr2, tc)
 121 {
 122         int dfd;
 123         int fd;
 124         char cwd[MAXPATHLEN];
 125
 126         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 127         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 128         ATF_REQUIRE(close(fd) == 0);
 129
 130         ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
 131         ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == -1);
 132         ATF_REQUIRE(close(dfd) == 0);
 133 }
 134
 135 ATF_TC(faccessat_fderr3);
 136 ATF_TC_HEAD(faccessat_fderr3, tc)
 137 {
 138         atf_tc_set_md_var(tc, "descr", "See that faccessat fails with fd as -1");
 139 }
 140 ATF_TC_BODY(faccessat_fderr3, tc)
 141 {
 142         int fd;
 143
 144         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 145         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 146         ATF_REQUIRE(close(fd) == 0);
 147
 148         ATF_REQUIRE(faccessat(-1, FILE, F_OK, 0) == -1);
 149 }
 150
 151 ATF_TC(faccessat_fdlink);
 152 ATF_TC_HEAD(faccessat_fdlink, tc)
 153 {
 154         atf_tc_set_md_var(tc, "descr", "See that faccessat works on symlink");
 155 }
 156 ATF_TC_BODY(faccessat_fdlink, tc)
 157 {
 158         int dfd;
 159
 160         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 161         ATF_REQUIRE(symlink(FILE, LINK) == 0); /* NB: FILE does not exists */
 162
 163         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
 164
 165         ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, 0) == -1);
 166         ATF_REQUIRE(errno == ENOENT);
 167
 168         ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, AT_SYMLINK_NOFOLLOW) == 0);
 169
 170         ATF_REQUIRE(close(dfd) == 0);
 171 }
 172
 173 ATF_TP_ADD_TCS(tp)
 174 {
 175
 176         ATF_TP_ADD_TC(tp, faccessat_fd);
 177         ATF_TP_ADD_TC(tp, faccessat_fdcwd);
 178         ATF_TP_ADD_TC(tp, faccessat_fdcwderr);
 179         ATF_TP_ADD_TC(tp, faccessat_fderr1);
 180         ATF_TP_ADD_TC(tp, faccessat_fderr2);
 181         ATF_TP_ADD_TC(tp, faccessat_fderr3);
 182         ATF_TP_ADD_TC(tp, faccessat_fdlink);
 183
 184         return atf_no_error();
 185 }