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