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