1 /* $NetBSD: t_openat.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_openat.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 #ifdef __FreeBSD__ 44 #include <sys/stat.h> 45 #endif 46 47 #define DIR "dir" 48 #define FILE "dir/openat" 49 #define BASEFILE "openat" 50 #define FILEERR "dir/openaterr" 51 52 ATF_TC(openat_fd); 53 ATF_TC_HEAD(openat_fd, tc) 54 { 55 atf_tc_set_md_var(tc, "descr", "See that openat works with fd"); 56 } 57 ATF_TC_BODY(openat_fd, tc) 58 { 59 int dfd; 60 int fd; 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((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1); 68 ATF_REQUIRE(close(dfd) == 0); 69 ATF_REQUIRE(close(fd) == 0); 70 } 71 72 ATF_TC(openat_fdcwd); 73 ATF_TC_HEAD(openat_fdcwd, tc) 74 { 75 atf_tc_set_md_var(tc, "descr", 76 "See that openat works with fd as AT_FDCWD"); 77 } 78 ATF_TC_BODY(openat_fdcwd, tc) 79 { 80 int fd; 81 82 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 83 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 84 ATF_REQUIRE(close(fd) == 0); 85 86 ATF_REQUIRE(chdir(DIR) == 0); 87 ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1); 88 ATF_REQUIRE(close(fd) == 0); 89 } 90 91 ATF_TC(openat_fdcwderr); 92 ATF_TC_HEAD(openat_fdcwderr, tc) 93 { 94 atf_tc_set_md_var(tc, "descr", 95 "See that openat fails with fd as AT_FDCWD and bad path"); 96 } 97 ATF_TC_BODY(openat_fdcwderr, tc) 98 { 99 int fd; 100 101 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 102 ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1); 103 } 104 105 ATF_TC(openat_fderr1); 106 ATF_TC_HEAD(openat_fderr1, tc) 107 { 108 atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path"); 109 } 110 ATF_TC_BODY(openat_fderr1, tc) 111 { 112 int dfd; 113 int fd; 114 115 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 116 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 117 ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1); 118 ATF_REQUIRE(close(dfd) == 0); 119 } 120 121 ATF_TC(openat_fderr2); 122 ATF_TC_HEAD(openat_fderr2, tc) 123 { 124 atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat"); 125 } 126 ATF_TC_BODY(openat_fderr2, tc) 127 { 128 int dfd; 129 int fd; 130 char cwd[MAXPATHLEN]; 131 132 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 133 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 134 ATF_REQUIRE(close(fd) == 0); 135 136 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 137 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1); 138 ATF_REQUIRE(close(dfd) == 0); 139 } 140 141 ATF_TC(openat_fderr3); 142 ATF_TC_HEAD(openat_fderr3, tc) 143 { 144 atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1"); 145 } 146 ATF_TC_BODY(openat_fderr3, tc) 147 { 148 int fd; 149 150 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 151 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 152 ATF_REQUIRE(close(fd) == 0); 153 154 ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1); 155 } 156 157 ATF_TP_ADD_TCS(tp) 158 { 159 160 ATF_TP_ADD_TC(tp, openat_fd); 161 ATF_TP_ADD_TC(tp, openat_fdcwd); 162 ATF_TP_ADD_TC(tp, openat_fdcwderr); 163 ATF_TP_ADD_TC(tp, openat_fderr1); 164 ATF_TP_ADD_TC(tp, openat_fderr2); 165 ATF_TP_ADD_TC(tp, openat_fderr3); 166 167 return atf_no_error(); 168 } 169