1 /* $NetBSD: t_fstatat.c,v 1.1 2012/11/18 17:41:54 manu 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 1.1 2012/11/18 17:41:54 manu 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_WITH_CLEANUP(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 57 ATF_TC_BODY(fstatat_fd, tc) 58 { 59 int dfd; 60 int fd; 61 struct stat st1, st2; 62 63 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 64 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 65 ATF_REQUIRE(close(fd) == 0); 66 67 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 68 ATF_REQUIRE(fstatat(dfd, BASEFILE, &st1, 0) == 0); 69 ATF_REQUIRE(close(dfd) == 0); 70 71 ATF_REQUIRE(stat(FILE, &st2) == 0); 72 ATF_REQUIRE(memcmp(&st1, &st2, sizeof(st1)) == 0); 73 } 74 75 ATF_TC_CLEANUP(fstatat_fd, tc) 76 { 77 (void)unlink(FILE); 78 (void)unlink(FILEERR); 79 (void)rmdir(DIR); 80 } 81 82 ATF_TC_WITH_CLEANUP(fstatat_fdcwd); 83 ATF_TC_HEAD(fstatat_fdcwd, tc) 84 { 85 atf_tc_set_md_var(tc, "descr", 86 "See that fstatat works with fd as AT_FDCWD"); 87 } 88 89 ATF_TC_BODY(fstatat_fdcwd, tc) 90 { 91 int fd; 92 struct stat st; 93 94 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 95 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 96 ATF_REQUIRE(close(fd) == 0); 97 98 ATF_REQUIRE(chdir(DIR) == 0); 99 ATF_REQUIRE(fstatat(AT_FDCWD, BASEFILE, &st, 0) == 0); 100 } 101 102 ATF_TC_CLEANUP(fstatat_fdcwd, tc) 103 { 104 (void)unlink(FILE); 105 (void)unlink(FILEERR); 106 (void)rmdir(DIR); 107 } 108 109 ATF_TC_WITH_CLEANUP(fstatat_fdcwderr); 110 ATF_TC_HEAD(fstatat_fdcwderr, tc) 111 { 112 atf_tc_set_md_var(tc, "descr", 113 "See that fstatat fails with fd as AT_FDCWD and bad path"); 114 } 115 116 ATF_TC_BODY(fstatat_fdcwderr, tc) 117 { 118 struct stat st; 119 120 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 121 ATF_REQUIRE(fstatat(AT_FDCWD, FILEERR, &st, 0) == -1); 122 } 123 124 ATF_TC_CLEANUP(fstatat_fdcwderr, tc) 125 { 126 (void)unlink(FILE); 127 (void)unlink(FILEERR); 128 (void)rmdir(DIR); 129 } 130 131 ATF_TC_WITH_CLEANUP(fstatat_fderr1); 132 ATF_TC_HEAD(fstatat_fderr1, tc) 133 { 134 atf_tc_set_md_var(tc, "descr", "See that fstatat fail with bad path"); 135 } 136 137 ATF_TC_BODY(fstatat_fderr1, tc) 138 { 139 int dfd; 140 struct stat st; 141 142 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 143 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 144 ATF_REQUIRE(fstatat(dfd, FILEERR, &st, 0) == -1); 145 ATF_REQUIRE(close(dfd) == 0); 146 147 } 148 149 ATF_TC_CLEANUP(fstatat_fderr1, tc) 150 { 151 (void)unlink(FILE); 152 (void)unlink(FILEERR); 153 (void)rmdir(DIR); 154 } 155 156 ATF_TC_WITH_CLEANUP(fstatat_fderr2); 157 ATF_TC_HEAD(fstatat_fderr2, tc) 158 { 159 atf_tc_set_md_var(tc, "descr", "See that fstatat fails with bad fdat"); 160 } 161 162 ATF_TC_BODY(fstatat_fderr2, tc) 163 { 164 int dfd; 165 int fd; 166 char cwd[MAXPATHLEN]; 167 struct stat st; 168 169 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 170 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 171 ATF_REQUIRE(close(fd) == 0); 172 173 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 174 ATF_REQUIRE(fstatat(dfd, BASEFILE, &st, 0) == -1); 175 ATF_REQUIRE(close(dfd) == 0); 176 } 177 178 ATF_TC_CLEANUP(fstatat_fderr2, tc) 179 { 180 (void)unlink(FILE); 181 (void)unlink(FILEERR); 182 (void)rmdir(DIR); 183 } 184 185 ATF_TC_WITH_CLEANUP(fstatat_fderr3); 186 ATF_TC_HEAD(fstatat_fderr3, tc) 187 { 188 atf_tc_set_md_var(tc, "descr", "See that fstatat fails with fd as -1"); 189 } 190 191 ATF_TC_BODY(fstatat_fderr3, tc) 192 { 193 int fd; 194 struct stat st; 195 196 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 197 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 198 ATF_REQUIRE(close(fd) == 0); 199 200 ATF_REQUIRE(fstatat(-1, FILE, &st, 0) == -1); 201 } 202 203 ATF_TC_CLEANUP(fstatat_fderr3, tc) 204 { 205 (void)unlink(FILE); 206 (void)unlink(FILEERR); 207 (void)rmdir(DIR); 208 } 209 210 211 ATF_TC_WITH_CLEANUP(fstatat_fdlink); 212 ATF_TC_HEAD(fstatat_fdlink, tc) 213 { 214 atf_tc_set_md_var(tc, "descr", "See that fstatat works on symlink"); 215 } 216 217 ATF_TC_BODY(fstatat_fdlink, tc) 218 { 219 int dfd; 220 struct stat st; 221 222 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 223 ATF_REQUIRE(symlink(FILE, LINK) == 0); /* target does not exists */ 224 225 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 226 227 ATF_REQUIRE(fstatat(dfd, BASELINK, &st, 0) == -1); 228 ATF_REQUIRE(errno == ENOENT); 229 230 ATF_REQUIRE(fstatat(dfd, BASELINK, &st, AT_SYMLINK_NOFOLLOW) == 0); 231 232 ATF_REQUIRE(close(dfd) == 0); 233 } 234 235 ATF_TC_CLEANUP(fstatat_fdlink, tc) 236 { 237 (void)unlink(LINK); 238 (void)rmdir(DIR); 239 } 240 241 ATF_TP_ADD_TCS(tp) 242 { 243 244 ATF_TP_ADD_TC(tp, fstatat_fd); 245 ATF_TP_ADD_TC(tp, fstatat_fdcwd); 246 ATF_TP_ADD_TC(tp, fstatat_fdcwderr); 247 ATF_TP_ADD_TC(tp, fstatat_fderr1); 248 ATF_TP_ADD_TC(tp, fstatat_fderr2); 249 ATF_TP_ADD_TC(tp, fstatat_fderr3); 250 ATF_TP_ADD_TC(tp, fstatat_fdlink); 251 252 return atf_no_error(); 253 } 254