tests/lib/libc/c063/t_fstatat.c

   1 /*      $NetBSD: t_fstatat.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_fstatat.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/fstatat"
  46 #define BASEFILE "fstatat"
  47 #define LINK "dir/symlink"
  48 #define BASELINK "symlink"
  49 #define FILEERR "dir/symlink"
  50
  51 ATF_TC(fstatat_fd);
  52 ATF_TC_HEAD(fstatat_fd, tc)
  53 {
  54         atf_tc_set_md_var(tc, "descr", "See that fstatat works with fd");
  55 }
  56 ATF_TC_BODY(fstatat_fd, tc)
  57 {
  58         int dfd;
  59         int fd;
  60         struct stat st1, st2;
  61
  62         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
  63         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
  64         ATF_REQUIRE(close(fd) == 0);
  65
  66         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
  67         ATF_REQUIRE(fstatat(dfd, BASEFILE, &st1, 0) == 0);
  68         ATF_REQUIRE(close(dfd) == 0);
  69
  70         ATF_REQUIRE(stat(FILE, &st2) == 0);
  71         ATF_REQUIRE(memcmp(&st1, &st2, sizeof(st1)) == 0);
  72 }
  73
  74 ATF_TC(fstatat_fdcwd);
  75 ATF_TC_HEAD(fstatat_fdcwd, tc)
  76 {
  77         atf_tc_set_md_var(tc, "descr",
  78                           "See that fstatat works with fd as AT_FDCWD");
  79 }
  80 ATF_TC_BODY(fstatat_fdcwd, tc)
  81 {
  82         int fd;
  83         struct stat st;
  84
  85         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
  86         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
  87         ATF_REQUIRE(close(fd) == 0);
  88
  89         ATF_REQUIRE(chdir(DIR) == 0);
  90         ATF_REQUIRE(fstatat(AT_FDCWD, BASEFILE, &st, 0) == 0);
  91 }
  92
  93 ATF_TC(fstatat_fdcwderr);
  94 ATF_TC_HEAD(fstatat_fdcwderr, tc)
  95 {
  96         atf_tc_set_md_var(tc, "descr",
  97                   "See that fstatat fails with fd as AT_FDCWD and bad path");
  98 }
  99 ATF_TC_BODY(fstatat_fdcwderr, tc)
 100 {
 101         struct stat st;
 102
 103         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 104         ATF_REQUIRE(fstatat(AT_FDCWD, FILEERR, &st, 0) == -1);
 105 }
 106
 107 ATF_TC(fstatat_fderr1);
 108 ATF_TC_HEAD(fstatat_fderr1, tc)
 109 {
 110         atf_tc_set_md_var(tc, "descr", "See that fstatat fail with bad path");
 111 }
 112 ATF_TC_BODY(fstatat_fderr1, tc)
 113 {
 114         int dfd;
 115         struct stat st;
 116
 117         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 118         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
 119         ATF_REQUIRE(fstatat(dfd, FILEERR, &st, 0) == -1);
 120         ATF_REQUIRE(close(dfd) == 0);
 121 }
 122
 123 ATF_TC(fstatat_fderr2);
 124 ATF_TC_HEAD(fstatat_fderr2, tc)
 125 {
 126         atf_tc_set_md_var(tc, "descr", "See that fstatat fails with bad fdat");
 127 }
 128 ATF_TC_BODY(fstatat_fderr2, tc)
 129 {
 130         int dfd;
 131         int fd;
 132         char cwd[MAXPATHLEN];
 133         struct stat st;
 134
 135         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 136         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 137         ATF_REQUIRE(close(fd) == 0);
 138
 139         ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
 140         ATF_REQUIRE(fstatat(dfd, BASEFILE, &st, 0) == -1);
 141         ATF_REQUIRE(close(dfd) == 0);
 142 }
 143
 144 ATF_TC(fstatat_fderr3);
 145 ATF_TC_HEAD(fstatat_fderr3, tc)
 146 {
 147         atf_tc_set_md_var(tc, "descr", "See that fstatat fails with fd as -1");
 148 }
 149 ATF_TC_BODY(fstatat_fderr3, tc)
 150 {
 151         int fd;
 152         struct stat st;
 153
 154         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 155         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 156         ATF_REQUIRE(close(fd) == 0);
 157
 158         ATF_REQUIRE(fstatat(-1, FILE, &st, 0) == -1);
 159 }
 160
 161 ATF_TC(fstatat_fdlink);
 162 ATF_TC_HEAD(fstatat_fdlink, tc)
 163 {
 164         atf_tc_set_md_var(tc, "descr", "See that fstatat works on symlink");
 165 }
 166 ATF_TC_BODY(fstatat_fdlink, tc)
 167 {
 168         int dfd;
 169         struct stat st;
 170
 171         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 172         ATF_REQUIRE(symlink(FILE, LINK) == 0); /* target does not exists */
 173
 174         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
 175
 176         ATF_REQUIRE(fstatat(dfd, BASELINK, &st, 0) == -1);
 177         ATF_REQUIRE(errno == ENOENT);
 178
 179         ATF_REQUIRE(fstatat(dfd, BASELINK, &st, AT_SYMLINK_NOFOLLOW) == 0);
 180
 181         ATF_REQUIRE(close(dfd) == 0);
 182 }
 183
 184 ATF_TP_ADD_TCS(tp)
 185 {
 186
 187         ATF_TP_ADD_TC(tp, fstatat_fd);
 188         ATF_TP_ADD_TC(tp, fstatat_fdcwd);
 189         ATF_TP_ADD_TC(tp, fstatat_fdcwderr);
 190         ATF_TP_ADD_TC(tp, fstatat_fderr1);
 191         ATF_TP_ADD_TC(tp, fstatat_fderr2);
 192         ATF_TP_ADD_TC(tp, fstatat_fderr3);
 193         ATF_TP_ADD_TC(tp, fstatat_fdlink);
 194
 195         return atf_no_error();
 196 }