1 /* $NetBSD: t_openat.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_openat.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/openat" 46 #define BASEFILE "openat" 47 #define FILEERR "dir/openaterr" 48 49 ATF_TC_WITH_CLEANUP(openat_fd); 50 ATF_TC_HEAD(openat_fd, tc) 51 { 52 atf_tc_set_md_var(tc, "descr", "See that openat works with fd"); 53 } 54 55 ATF_TC_BODY(openat_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((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1); 66 ATF_REQUIRE(close(dfd) == 0); 67 ATF_REQUIRE(close(fd) == 0); 68 } 69 70 ATF_TC_CLEANUP(openat_fd, tc) 71 { 72 (void)unlink(FILE); 73 (void)unlink(FILEERR); 74 (void)rmdir(DIR); 75 } 76 77 ATF_TC_WITH_CLEANUP(openat_fdcwd); 78 ATF_TC_HEAD(openat_fdcwd, tc) 79 { 80 atf_tc_set_md_var(tc, "descr", 81 "See that openat works with fd as AT_FDCWD"); 82 } 83 84 ATF_TC_BODY(openat_fdcwd, tc) 85 { 86 int fd; 87 88 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 89 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 90 ATF_REQUIRE(close(fd) == 0); 91 92 ATF_REQUIRE(chdir(DIR) == 0); 93 ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1); 94 ATF_REQUIRE(close(fd) == 0); 95 } 96 97 ATF_TC_CLEANUP(openat_fdcwd, tc) 98 { 99 (void)unlink(FILE); 100 (void)unlink(FILEERR); 101 (void)rmdir(DIR); 102 } 103 104 ATF_TC_WITH_CLEANUP(openat_fdcwderr); 105 ATF_TC_HEAD(openat_fdcwderr, tc) 106 { 107 atf_tc_set_md_var(tc, "descr", 108 "See that openat fails with fd as AT_FDCWD and bad path"); 109 } 110 111 ATF_TC_BODY(openat_fdcwderr, tc) 112 { 113 int fd; 114 115 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 116 ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1); 117 } 118 119 ATF_TC_CLEANUP(openat_fdcwderr, tc) 120 { 121 (void)unlink(FILE); 122 (void)unlink(FILEERR); 123 (void)rmdir(DIR); 124 } 125 126 ATF_TC_WITH_CLEANUP(openat_fderr1); 127 ATF_TC_HEAD(openat_fderr1, tc) 128 { 129 atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path"); 130 } 131 132 ATF_TC_BODY(openat_fderr1, tc) 133 { 134 int dfd; 135 int fd; 136 137 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 138 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 139 ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1); 140 ATF_REQUIRE(close(dfd) == 0); 141 } 142 143 ATF_TC_CLEANUP(openat_fderr1, tc) 144 { 145 (void)unlink(FILE); 146 (void)unlink(FILEERR); 147 (void)rmdir(DIR); 148 } 149 150 ATF_TC_WITH_CLEANUP(openat_fderr2); 151 ATF_TC_HEAD(openat_fderr2, tc) 152 { 153 atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat"); 154 } 155 156 ATF_TC_BODY(openat_fderr2, tc) 157 { 158 int dfd; 159 int fd; 160 char cwd[MAXPATHLEN]; 161 162 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 163 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 164 ATF_REQUIRE(close(fd) == 0); 165 166 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 167 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1); 168 ATF_REQUIRE(close(dfd) == 0); 169 } 170 171 ATF_TC_CLEANUP(openat_fderr2, tc) 172 { 173 (void)unlink(FILE); 174 (void)unlink(FILEERR); 175 (void)rmdir(DIR); 176 } 177 178 ATF_TC_WITH_CLEANUP(openat_fderr3); 179 ATF_TC_HEAD(openat_fderr3, tc) 180 { 181 atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1"); 182 } 183 184 ATF_TC_BODY(openat_fderr3, tc) 185 { 186 int fd; 187 188 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 189 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 190 ATF_REQUIRE(close(fd) == 0); 191 192 ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1); 193 } 194 195 ATF_TC_CLEANUP(openat_fderr3, tc) 196 { 197 (void)unlink(FILE); 198 (void)unlink(FILEERR); 199 (void)rmdir(DIR); 200 } 201 202 203 ATF_TP_ADD_TCS(tp) 204 { 205 206 ATF_TP_ADD_TC(tp, openat_fd); 207 ATF_TP_ADD_TC(tp, openat_fdcwd); 208 ATF_TP_ADD_TC(tp, openat_fdcwderr); 209 ATF_TP_ADD_TC(tp, openat_fderr1); 210 ATF_TP_ADD_TC(tp, openat_fderr2); 211 ATF_TP_ADD_TC(tp, openat_fderr3); 212 213 return atf_no_error(); 214 } 215