1 /* $NetBSD: t_unlinkat.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_unlinkat.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/unlinkat" 46 #define BASEFILE "unlinkat" 47 #define FILEERR "dir/unlinkaterr" 48 49 ATF_TC_WITH_CLEANUP(unlinkat_fd); 50 ATF_TC_HEAD(unlinkat_fd, tc) 51 { 52 atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 53 } 54 55 ATF_TC_BODY(unlinkat_fd, tc) 56 { 57 int dfd; 58 int fd; 59 60 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 61 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 62 ATF_REQUIRE(close(fd) == 0); 63 64 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 65 ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == 0); 66 ATF_REQUIRE(close(dfd) == 0); 67 } 68 69 ATF_TC_CLEANUP(unlinkat_fd, tc) 70 { 71 (void)unlink(FILE); 72 (void)unlink(FILEERR); 73 (void)rmdir(DIR); 74 } 75 76 ATF_TC_WITH_CLEANUP(unlinkat_fdcwd); 77 ATF_TC_HEAD(unlinkat_fdcwd, tc) 78 { 79 atf_tc_set_md_var(tc, "descr", 80 "See that unlinkat works with fd as AT_FDCWD"); 81 } 82 83 ATF_TC_BODY(unlinkat_fdcwd, tc) 84 { 85 int fd; 86 87 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 88 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 89 ATF_REQUIRE(close(fd) == 0); 90 91 ATF_REQUIRE(chdir(DIR) == 0); 92 ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 93 } 94 95 ATF_TC_CLEANUP(unlinkat_fdcwd, tc) 96 { 97 (void)unlink(FILE); 98 (void)unlink(FILEERR); 99 (void)rmdir(DIR); 100 } 101 102 ATF_TC_WITH_CLEANUP(unlinkat_fdcwderr); 103 ATF_TC_HEAD(unlinkat_fdcwderr, tc) 104 { 105 atf_tc_set_md_var(tc, "descr", 106 "See that unlinkat fails with fd as AT_FDCWD and bad path"); 107 } 108 109 ATF_TC_BODY(unlinkat_fdcwderr, tc) 110 { 111 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 112 ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 113 } 114 115 ATF_TC_CLEANUP(unlinkat_fdcwderr, tc) 116 { 117 (void)unlink(FILE); 118 (void)unlink(FILEERR); 119 (void)rmdir(DIR); 120 } 121 122 ATF_TC_WITH_CLEANUP(unlinkat_fderr1); 123 ATF_TC_HEAD(unlinkat_fderr1, tc) 124 { 125 atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 126 } 127 128 ATF_TC_BODY(unlinkat_fderr1, tc) 129 { 130 int dfd; 131 132 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 133 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 134 ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 135 ATF_REQUIRE(close(dfd) == 0); 136 137 } 138 139 ATF_TC_CLEANUP(unlinkat_fderr1, tc) 140 { 141 (void)unlink(FILE); 142 (void)unlink(FILEERR); 143 (void)rmdir(DIR); 144 } 145 146 ATF_TC_WITH_CLEANUP(unlinkat_fderr2); 147 ATF_TC_HEAD(unlinkat_fderr2, tc) 148 { 149 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 150 } 151 152 ATF_TC_BODY(unlinkat_fderr2, tc) 153 { 154 int dfd; 155 int fd; 156 char cwd[MAXPATHLEN]; 157 158 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 159 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 160 ATF_REQUIRE(close(fd) == 0); 161 162 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 163 ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 164 ATF_REQUIRE(close(dfd) == 0); 165 } 166 167 ATF_TC_CLEANUP(unlinkat_fderr2, tc) 168 { 169 (void)unlink(FILE); 170 (void)unlink(FILEERR); 171 (void)rmdir(DIR); 172 } 173 174 ATF_TC_WITH_CLEANUP(unlinkat_fderr3); 175 ATF_TC_HEAD(unlinkat_fderr3, tc) 176 { 177 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 178 } 179 180 ATF_TC_BODY(unlinkat_fderr3, tc) 181 { 182 int fd; 183 184 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 185 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 186 ATF_REQUIRE(close(fd) == 0); 187 188 ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 189 } 190 191 ATF_TC_CLEANUP(unlinkat_fderr3, tc) 192 { 193 (void)unlink(FILE); 194 (void)unlink(FILEERR); 195 (void)rmdir(DIR); 196 } 197 198 ATF_TC_WITH_CLEANUP(unlinkat_dir); 199 ATF_TC_HEAD(unlinkat_dir, tc) 200 { 201 atf_tc_set_md_var(tc, "descr", 202 "See that unlinkat can remove directories"); 203 } 204 205 ATF_TC_BODY(unlinkat_dir, tc) 206 { 207 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 208 209 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 210 ATF_REQUIRE(errno == EPERM); 211 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 212 } 213 214 ATF_TC_CLEANUP(unlinkat_dir, tc) 215 { 216 (void)rmdir(DIR); 217 } 218 219 ATF_TP_ADD_TCS(tp) 220 { 221 222 ATF_TP_ADD_TC(tp, unlinkat_fd); 223 ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 224 ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 225 ATF_TP_ADD_TC(tp, unlinkat_fderr1); 226 ATF_TP_ADD_TC(tp, unlinkat_fderr2); 227 ATF_TP_ADD_TC(tp, unlinkat_fderr3); 228 ATF_TP_ADD_TC(tp, unlinkat_dir); 229 230 return atf_no_error(); 231 } 232