1 /* $NetBSD: t_fstatat.c,v 1.2 2013/03/17 04:46:06 jmmv 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_fstatat.c,v 1.2 2013/03/17 04:46:06 jmmv 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/fstatat" 46 #define BASEFILE "fstatat" 47 #define LINK "dir/symlink" 48 #define BASELINK "symlink" 49 #define FILEERR "dir/symlink" 50 51 ATF_TC(fstatat_fd); 52 ATF_TC_HEAD(fstatat_fd, tc) 53 { 54 atf_tc_set_md_var(tc, "descr", "See that fstatat works with fd"); 55 } 56 ATF_TC_BODY(fstatat_fd, tc) 57 { 58 int dfd; 59 int fd; 60 struct stat st1, st2; 61 62 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 63 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 64 ATF_REQUIRE(close(fd) == 0); 65 66 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 67 ATF_REQUIRE(fstatat(dfd, BASEFILE, &st1, 0) == 0); 68 ATF_REQUIRE(close(dfd) == 0); 69 70 ATF_REQUIRE(stat(FILE, &st2) == 0); 71 ATF_REQUIRE(memcmp(&st1, &st2, sizeof(st1)) == 0); 72 } 73 74 ATF_TC(fstatat_fdcwd); 75 ATF_TC_HEAD(fstatat_fdcwd, tc) 76 { 77 atf_tc_set_md_var(tc, "descr", 78 "See that fstatat works with fd as AT_FDCWD"); 79 } 80 ATF_TC_BODY(fstatat_fdcwd, tc) 81 { 82 int fd; 83 struct stat st; 84 85 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 86 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 87 ATF_REQUIRE(close(fd) == 0); 88 89 ATF_REQUIRE(chdir(DIR) == 0); 90 ATF_REQUIRE(fstatat(AT_FDCWD, BASEFILE, &st, 0) == 0); 91 } 92 93 ATF_TC(fstatat_fdcwderr); 94 ATF_TC_HEAD(fstatat_fdcwderr, tc) 95 { 96 atf_tc_set_md_var(tc, "descr", 97 "See that fstatat fails with fd as AT_FDCWD and bad path"); 98 } 99 ATF_TC_BODY(fstatat_fdcwderr, tc) 100 { 101 struct stat st; 102 103 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 104 ATF_REQUIRE(fstatat(AT_FDCWD, FILEERR, &st, 0) == -1); 105 } 106 107 ATF_TC(fstatat_fderr1); 108 ATF_TC_HEAD(fstatat_fderr1, tc) 109 { 110 atf_tc_set_md_var(tc, "descr", "See that fstatat fail with bad path"); 111 } 112 ATF_TC_BODY(fstatat_fderr1, tc) 113 { 114 int dfd; 115 struct stat st; 116 117 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 118 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 119 ATF_REQUIRE(fstatat(dfd, FILEERR, &st, 0) == -1); 120 ATF_REQUIRE(close(dfd) == 0); 121 } 122 123 ATF_TC(fstatat_fderr2); 124 ATF_TC_HEAD(fstatat_fderr2, tc) 125 { 126 atf_tc_set_md_var(tc, "descr", "See that fstatat fails with bad fdat"); 127 } 128 ATF_TC_BODY(fstatat_fderr2, tc) 129 { 130 int dfd; 131 int fd; 132 char cwd[MAXPATHLEN]; 133 struct stat st; 134 135 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 136 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 137 ATF_REQUIRE(close(fd) == 0); 138 139 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 140 ATF_REQUIRE(fstatat(dfd, BASEFILE, &st, 0) == -1); 141 ATF_REQUIRE(close(dfd) == 0); 142 } 143 144 ATF_TC(fstatat_fderr3); 145 ATF_TC_HEAD(fstatat_fderr3, tc) 146 { 147 atf_tc_set_md_var(tc, "descr", "See that fstatat fails with fd as -1"); 148 } 149 ATF_TC_BODY(fstatat_fderr3, tc) 150 { 151 int fd; 152 struct stat st; 153 154 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 155 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 156 ATF_REQUIRE(close(fd) == 0); 157 158 ATF_REQUIRE(fstatat(-1, FILE, &st, 0) == -1); 159 } 160 161 ATF_TC(fstatat_fdlink); 162 ATF_TC_HEAD(fstatat_fdlink, tc) 163 { 164 atf_tc_set_md_var(tc, "descr", "See that fstatat works on symlink"); 165 } 166 ATF_TC_BODY(fstatat_fdlink, tc) 167 { 168 int dfd; 169 struct stat st; 170 171 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 172 ATF_REQUIRE(symlink(FILE, LINK) == 0); /* target does not exists */ 173 174 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 175 176 ATF_REQUIRE(fstatat(dfd, BASELINK, &st, 0) == -1); 177 ATF_REQUIRE(errno == ENOENT); 178 179 ATF_REQUIRE(fstatat(dfd, BASELINK, &st, AT_SYMLINK_NOFOLLOW) == 0); 180 181 ATF_REQUIRE(close(dfd) == 0); 182 } 183 184 ATF_TP_ADD_TCS(tp) 185 { 186 187 ATF_TP_ADD_TC(tp, fstatat_fd); 188 ATF_TP_ADD_TC(tp, fstatat_fdcwd); 189 ATF_TP_ADD_TC(tp, fstatat_fdcwderr); 190 ATF_TP_ADD_TC(tp, fstatat_fderr1); 191 ATF_TP_ADD_TC(tp, fstatat_fderr2); 192 ATF_TP_ADD_TC(tp, fstatat_fderr3); 193 ATF_TP_ADD_TC(tp, fstatat_fdlink); 194 195 return atf_no_error(); 196 } 197