1 /* $NetBSD: t_access.c,v 1.3 2019/07/16 17:29:18 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 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_access.c,v 1.3 2019/07/16 17:29:18 martin Exp $"); 33 34 #include <atf-c.h> 35 36 #include <sys/stat.h> 37 38 #include <errno.h> 39 #include <fcntl.h> 40 #include <limits.h> 41 #include <stdint.h> 42 #include <stdlib.h> 43 #include <unistd.h> 44 45 static const char path[] = "access"; 46 static const int mode[4] = { R_OK, W_OK, X_OK, F_OK }; 47 48 ATF_TC_WITH_CLEANUP(access_access); 49 ATF_TC_HEAD(access_access, tc) 50 { 51 atf_tc_set_md_var(tc, "descr", "Test access(2) for EACCES"); 52 atf_tc_set_md_var(tc, "require.user", "unprivileged"); 53 } 54 55 ATF_TC_BODY(access_access, tc) 56 { 57 const int perm[3] = { 0200, 0400, 0000 }; 58 size_t i; 59 int fd; 60 61 fd = open(path, O_RDONLY | O_CREAT, 0600); 62 63 if (fd < 0) 64 return; 65 66 for (i = 0; i < __arraycount(mode) - 1; i++) { 67 68 ATF_REQUIRE(fchmod(fd, perm[i]) == 0); 69 70 errno = 0; 71 72 ATF_REQUIRE(access(path, mode[i]) != 0); 73 ATF_REQUIRE(errno == EACCES); 74 } 75 76 ATF_REQUIRE(close(fd) == 0); 77 } 78 79 ATF_TC_CLEANUP(access_access, tc) 80 { 81 (void)unlink(path); 82 } 83 84 ATF_TC(access_fault); 85 ATF_TC_HEAD(access_fault, tc) 86 { 87 atf_tc_set_md_var(tc, "descr", "Test access(2) for EFAULT"); 88 } 89 90 ATF_TC_BODY(access_fault, tc) 91 { 92 size_t i; 93 94 for (i = 0; i < __arraycount(mode); i++) { 95 96 errno = 0; 97 98 ATF_REQUIRE(access(NULL, mode[i]) != 0); 99 ATF_REQUIRE(errno == EFAULT); 100 101 errno = 0; 102 103 ATF_REQUIRE(access((char *)-1, mode[i]) != 0); 104 ATF_REQUIRE(errno == EFAULT); 105 } 106 } 107 108 ATF_TC(access_inval); 109 ATF_TC_HEAD(access_inval, tc) 110 { 111 atf_tc_set_md_var(tc, "descr", "Test access(2) for EINVAL"); 112 } 113 114 ATF_TC_BODY(access_inval, tc) 115 { 116 117 errno = 0; 118 119 ATF_REQUIRE(access("/usr", -1) != 0); 120 ATF_REQUIRE(errno == EINVAL); 121 } 122 123 ATF_TC(access_notdir); 124 ATF_TC_HEAD(access_notdir, tc) 125 { 126 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOTDIR"); 127 } 128 129 ATF_TC_BODY(access_notdir, tc) 130 { 131 size_t i; 132 133 for (i = 0; i < __arraycount(mode); i++) { 134 135 errno = 0; 136 137 /* 138 * IEEE Std 1003.1-2008 about ENOTDIR: 139 * 140 * "A component of the path prefix is not a directory, 141 * or the path argument contains at least one non-<slash> 142 * character and ends with one or more trailing <slash> 143 * characters and the last pathname component names an 144 * existing file that is neither a directory nor a symbolic 145 * link to a directory." 146 */ 147 ATF_REQUIRE(access("/etc/passwd//", mode[i]) != 0); 148 ATF_REQUIRE(errno == ENOTDIR); 149 } 150 } 151 152 ATF_TC(access_notexist); 153 ATF_TC_HEAD(access_notexist, tc) 154 { 155 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOENT"); 156 } 157 158 ATF_TC_BODY(access_notexist, tc) 159 { 160 size_t i; 161 162 for (i = 0; i < __arraycount(mode); i++) { 163 164 errno = 0; 165 166 ATF_REQUIRE(access("", mode[i]) != 0); 167 ATF_REQUIRE(errno == ENOENT); 168 } 169 } 170 171 ATF_TC(access_toolong); 172 ATF_TC_HEAD(access_toolong, tc) 173 { 174 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENAMETOOLONG"); 175 } 176 177 ATF_TC_BODY(access_toolong, tc) 178 { 179 char *buf; 180 size_t i; 181 182 buf = malloc(PATH_MAX); 183 184 if (buf == NULL) 185 return; 186 187 for (i = 0; i < PATH_MAX; i++) 188 buf[i] = 'x'; 189 190 for (i = 0; i < __arraycount(mode); i++) { 191 192 errno = 0; 193 194 ATF_REQUIRE(access(buf, mode[i]) != 0); 195 ATF_REQUIRE(errno == ENAMETOOLONG); 196 } 197 198 free(buf); 199 } 200 201 ATF_TP_ADD_TCS(tp) 202 { 203 204 ATF_TP_ADD_TC(tp, access_access); 205 ATF_TP_ADD_TC(tp, access_fault); 206 ATF_TP_ADD_TC(tp, access_inval); 207 ATF_TP_ADD_TC(tp, access_notdir); 208 ATF_TP_ADD_TC(tp, access_notexist); 209 ATF_TP_ADD_TC(tp, access_toolong); 210 211 return atf_no_error(); 212 } 213
Indexes created Sat Sep 20 22:09:52 GMT 2025