1 /* $NetBSD: t_access.c,v 1.1 2011/07/07 06:57:53 jruoho 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 1.1 2011/07/07 06:57:53 jruoho Exp $"); 33 34 #include <errno.h> 35 #include <fcntl.h> 36 #include <limits.h> 37 #include <stdint.h> 38 #include <stdlib.h> 39 #include <unistd.h> 40 41 #include <atf-c.h> 42 43 #ifdef __FreeBSD__ 44 #include <sys/param.h> 45 #include <sys/stat.h> 46 #endif 47 48 static const char path[] = "access"; 49 static const int mode[4] = { R_OK, W_OK, X_OK, F_OK }; 50 51 ATF_TC_WITH_CLEANUP(access_access); 52 ATF_TC_HEAD(access_access, tc) 53 { 54 atf_tc_set_md_var(tc, "descr", "Test access(2) for EACCES"); 55 atf_tc_set_md_var(tc, "require.user", "unprivileged"); 56 } 57 58 ATF_TC_BODY(access_access, tc) 59 { 60 const int perm[3] = { 0200, 0400, 0000 }; 61 size_t i; 62 int fd; 63 64 fd = open(path, O_RDONLY | O_CREAT); 65 66 if (fd < 0) 67 return; 68 69 for (i = 0; i < __arraycount(mode) - 1; i++) { 70 71 ATF_REQUIRE(fchmod(fd, perm[i]) == 0); 72 73 errno = 0; 74 75 ATF_REQUIRE(access(path, mode[i]) != 0); 76 ATF_REQUIRE(errno == EACCES); 77 } 78 79 ATF_REQUIRE(close(fd) == 0); 80 } 81 82 ATF_TC_CLEANUP(access_access, tc) 83 { 84 (void)unlink(path); 85 } 86 87 ATF_TC(access_fault); 88 ATF_TC_HEAD(access_fault, tc) 89 { 90 atf_tc_set_md_var(tc, "descr", "Test access(2) for EFAULT"); 91 } 92 93 ATF_TC_BODY(access_fault, tc) 94 { 95 size_t i; 96 97 for (i = 0; i < __arraycount(mode); i++) { 98 99 errno = 0; 100 101 ATF_REQUIRE(access(NULL, mode[i]) != 0); 102 ATF_REQUIRE(errno == EFAULT); 103 104 errno = 0; 105 106 ATF_REQUIRE(access((char *)-1, mode[i]) != 0); 107 ATF_REQUIRE(errno == EFAULT); 108 } 109 } 110 111 ATF_TC(access_inval); 112 ATF_TC_HEAD(access_inval, tc) 113 { 114 atf_tc_set_md_var(tc, "descr", "Test access(2) for EINVAL"); 115 } 116 117 ATF_TC_BODY(access_inval, tc) 118 { 119 120 #if defined(__FreeBSD__) && __FreeBSD_version < 1100033 121 atf_tc_expect_fail("arguments to access aren't validated; see " 122 "bug # 181155 for more details"); 123 #endif 124 errno = 0; 125 126 ATF_REQUIRE(access("/usr", -1) != 0); 127 ATF_REQUIRE(errno == EINVAL); 128 } 129 130 ATF_TC(access_notdir); 131 ATF_TC_HEAD(access_notdir, tc) 132 { 133 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOTDIR"); 134 } 135 136 ATF_TC_BODY(access_notdir, tc) 137 { 138 size_t i; 139 140 for (i = 0; i < __arraycount(mode); i++) { 141 142 errno = 0; 143 144 /* 145 * IEEE Std 1003.1-2008 about ENOTDIR: 146 * 147 * "A component of the path prefix is not a directory, 148 * or the path argument contains at least one non-<slash> 149 * character and ends with one or more trailing <slash> 150 * characters and the last pathname component names an 151 * existing file that is neither a directory nor a symbolic 152 * link to a directory." 153 */ 154 ATF_REQUIRE(access("/etc/passwd//", mode[i]) != 0); 155 ATF_REQUIRE(errno == ENOTDIR); 156 } 157 } 158 159 ATF_TC(access_notexist); 160 ATF_TC_HEAD(access_notexist, tc) 161 { 162 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOENT"); 163 } 164 165 ATF_TC_BODY(access_notexist, tc) 166 { 167 size_t i; 168 169 for (i = 0; i < __arraycount(mode); i++) { 170 171 errno = 0; 172 173 ATF_REQUIRE(access("", mode[i]) != 0); 174 ATF_REQUIRE(errno == ENOENT); 175 } 176 } 177 178 ATF_TC(access_toolong); 179 ATF_TC_HEAD(access_toolong, tc) 180 { 181 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENAMETOOLONG"); 182 } 183 184 ATF_TC_BODY(access_toolong, tc) 185 { 186 char *buf; 187 size_t i; 188 189 buf = malloc(PATH_MAX); 190 191 if (buf == NULL) 192 return; 193 194 for (i = 0; i < PATH_MAX; i++) 195 buf[i] = 'x'; 196 197 for (i = 0; i < __arraycount(mode); i++) { 198 199 errno = 0; 200 201 ATF_REQUIRE(access(buf, mode[i]) != 0); 202 ATF_REQUIRE(errno == ENAMETOOLONG); 203 } 204 205 free(buf); 206 } 207 208 ATF_TP_ADD_TCS(tp) 209 { 210 211 ATF_TP_ADD_TC(tp, access_access); 212 ATF_TP_ADD_TC(tp, access_fault); 213 ATF_TP_ADD_TC(tp, access_inval); 214 ATF_TP_ADD_TC(tp, access_notdir); 215 ATF_TP_ADD_TC(tp, access_notexist); 216 ATF_TP_ADD_TC(tp, access_toolong); 217 218 return atf_no_error(); 219 } 220