tests/lib/libc/c063/t_fchmodat.c

   1 /*      $NetBSD: t_fchmodat.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_fchmodat.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/fchmodat"
  46 #define BASEFILE "fchmodat"
  47 #define LINK "dir/symlink"
  48 #define BASELINK "symlink"
  49 #define FILEERR "dir/fchmodaterr"
  50
  51 ATF_TC(fchmodat_fd);
  52 ATF_TC_HEAD(fchmodat_fd, tc)
  53 {
  54         atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd");
  55 }
  56 ATF_TC_BODY(fchmodat_fd, tc)
  57 {
  58         int dfd;
  59         int fd;
  60         struct stat st;
  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(fchmodat(dfd, BASEFILE, 0600, 0) == 0);
  68         ATF_REQUIRE(close(dfd) == 0);
  69
  70         ATF_REQUIRE(stat(FILE, &st) == 0);
  71         ATF_REQUIRE(st.st_mode = 0600);
  72 }
  73
  74 ATF_TC(fchmodat_fdcwd);
  75 ATF_TC_HEAD(fchmodat_fdcwd, tc)
  76 {
  77         atf_tc_set_md_var(tc, "descr",
  78                           "See that fchmodat works with fd as AT_FDCWD");
  79 }
  80 ATF_TC_BODY(fchmodat_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(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0);
  91
  92         ATF_REQUIRE(stat(BASEFILE, &st) == 0);
  93         ATF_REQUIRE(st.st_mode = 0600);
  94 }
  95
  96 ATF_TC(fchmodat_fdcwderr);
  97 ATF_TC_HEAD(fchmodat_fdcwderr, tc)
  98 {
  99         atf_tc_set_md_var(tc, "descr",
 100                   "See that fchmodat fails with fd as AT_FDCWD and bad path");
 101 }
 102 ATF_TC_BODY(fchmodat_fdcwderr, tc)
 103 {
 104         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 105         ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1);
 106 }
 107
 108 ATF_TC(fchmodat_fderr1);
 109 ATF_TC_HEAD(fchmodat_fderr1, tc)
 110 {
 111         atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path");
 112 }
 113 ATF_TC_BODY(fchmodat_fderr1, tc)
 114 {
 115         int dfd;
 116
 117         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 118         ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
 119         ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1);
 120         ATF_REQUIRE(close(dfd) == 0);
 121 }
 122
 123 ATF_TC(fchmodat_fderr2);
 124 ATF_TC_HEAD(fchmodat_fderr2, tc)
 125 {
 126         atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat");
 127 }
 128 ATF_TC_BODY(fchmodat_fderr2, tc)
 129 {
 130         int dfd;
 131         int fd;
 132         char cwd[MAXPATHLEN];
 133
 134         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 135         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 136         ATF_REQUIRE(close(fd) == 0);
 137
 138         ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
 139         ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == -1);
 140         ATF_REQUIRE(close(dfd) == 0);
 141 }
 142
 143 ATF_TC(fchmodat_fderr3);
 144 ATF_TC_HEAD(fchmodat_fderr3, tc)
 145 {
 146         atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1");
 147 }
 148 ATF_TC_BODY(fchmodat_fderr3, tc)
 149 {
 150         int fd;
 151
 152         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 153         ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
 154         ATF_REQUIRE(close(fd) == 0);
 155
 156         ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1);
 157 }
 158
 159 ATF_TC(fchmodat_fdlink);
 160 ATF_TC_HEAD(fchmodat_fdlink, tc)
 161 {
 162         atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink");
 163 }
 164 ATF_TC_BODY(fchmodat_fdlink, tc)
 165 {
 166         int dfdlink;
 167         struct stat st;
 168
 169         ATF_REQUIRE(mkdir(DIR, 0755) == 0);
 170         ATF_REQUIRE(symlink(FILE, LINK) == 0);
 171
 172         ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1);
 173
 174         ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1);
 175         ATF_REQUIRE(errno = ENOENT);
 176
 177         ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0);
 178
 179         ATF_REQUIRE(close(dfdlink) == 0);
 180
 181         ATF_REQUIRE(lstat(LINK, &st) == 0);
 182         ATF_REQUIRE(st.st_mode = 0600);
 183 }
 184
 185 ATF_TP_ADD_TCS(tp)
 186 {
 187
 188         ATF_TP_ADD_TC(tp, fchmodat_fd);
 189         ATF_TP_ADD_TC(tp, fchmodat_fdcwd);
 190         ATF_TP_ADD_TC(tp, fchmodat_fdcwderr);
 191         ATF_TP_ADD_TC(tp, fchmodat_fderr1);
 192         ATF_TP_ADD_TC(tp, fchmodat_fderr2);
 193         ATF_TP_ADD_TC(tp, fchmodat_fderr3);
 194         ATF_TP_ADD_TC(tp, fchmodat_fdlink);
 195
 196         return atf_no_error();
 197 }