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 44 #define DIR "dir" 45 #define FILE "dir/openat" 46 #define BASEFILE "openat" 47 #define FILEERR "dir/openaterr" 48 49 ATF_TC(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 ATF_TC_BODY(openat_fd, tc) 55 { 56 int dfd; 57 int fd; 58 59 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 60 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 61 ATF_REQUIRE(close(fd) == 0); 62 63 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 64 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1); 65 ATF_REQUIRE(close(dfd) == 0); 66 ATF_REQUIRE(close(fd) == 0); 67 } 68 69 ATF_TC(openat_fdcwd); 70 ATF_TC_HEAD(openat_fdcwd, tc) 71 { 72 atf_tc_set_md_var(tc, "descr", 73 "See that openat works with fd as AT_FDCWD"); 74 } 75 ATF_TC_BODY(openat_fdcwd, tc) 76 { 77 int fd; 78 79 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 80 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 81 ATF_REQUIRE(close(fd) == 0); 82 83 ATF_REQUIRE(chdir(DIR) == 0); 84 ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1); 85 ATF_REQUIRE(close(fd) == 0); 86 } 87 88 ATF_TC(openat_fdcwderr); 89 ATF_TC_HEAD(openat_fdcwderr, tc) 90 { 91 atf_tc_set_md_var(tc, "descr", 92 "See that openat fails with fd as AT_FDCWD and bad path"); 93 } 94 ATF_TC_BODY(openat_fdcwderr, tc) 95 { 96 int fd; 97 98 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 99 ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1); 100 } 101 102 ATF_TC(openat_fderr1); 103 ATF_TC_HEAD(openat_fderr1, tc) 104 { 105 atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path"); 106 } 107 ATF_TC_BODY(openat_fderr1, tc) 108 { 109 int dfd; 110 int fd; 111 112 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 113 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 114 ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1); 115 ATF_REQUIRE(close(dfd) == 0); 116 } 117 118 ATF_TC(openat_fderr2); 119 ATF_TC_HEAD(openat_fderr2, tc) 120 { 121 atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat"); 122 } 123 ATF_TC_BODY(openat_fderr2, tc) 124 { 125 int dfd; 126 int fd; 127 char cwd[MAXPATHLEN]; 128 129 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 130 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 131 ATF_REQUIRE(close(fd) == 0); 132 133 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 134 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1); 135 ATF_REQUIRE(close(dfd) == 0); 136 } 137 138 ATF_TC(openat_fderr3); 139 ATF_TC_HEAD(openat_fderr3, tc) 140 { 141 atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1"); 142 } 143 ATF_TC_BODY(openat_fderr3, tc) 144 { 145 int fd; 146 147 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 148 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 149 ATF_REQUIRE(close(fd) == 0); 150 151 ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1); 152 } 153 154 ATF_TP_ADD_TCS(tp) 155 { 156 157 ATF_TP_ADD_TC(tp, openat_fd); 158 ATF_TP_ADD_TC(tp, openat_fdcwd); 159 ATF_TP_ADD_TC(tp, openat_fdcwderr); 160 ATF_TP_ADD_TC(tp, openat_fderr1); 161 ATF_TP_ADD_TC(tp, openat_fderr2); 162 ATF_TP_ADD_TC(tp, openat_fderr3); 163 164 return atf_no_error(); 165 } 166