1 /* $NetBSD: t_unlinkat.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_unlinkat.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/unlinkat" 49 #define BASEFILE "unlinkat" 50 #define FILEERR "dir/unlinkaterr" 51 52 ATF_TC(unlinkat_fd); 53 ATF_TC_HEAD(unlinkat_fd, tc) 54 { 55 atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 56 } 57 ATF_TC_BODY(unlinkat_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(unlinkat(dfd, BASEFILE, 0) == 0); 68 ATF_REQUIRE(close(dfd) == 0); 69 } 70 71 ATF_TC(unlinkat_fdcwd); 72 ATF_TC_HEAD(unlinkat_fdcwd, tc) 73 { 74 atf_tc_set_md_var(tc, "descr", 75 "See that unlinkat works with fd as AT_FDCWD"); 76 } 77 ATF_TC_BODY(unlinkat_fdcwd, tc) 78 { 79 int fd; 80 81 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 82 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 83 ATF_REQUIRE(close(fd) == 0); 84 85 ATF_REQUIRE(chdir(DIR) == 0); 86 ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 87 } 88 89 ATF_TC(unlinkat_fdcwderr); 90 ATF_TC_HEAD(unlinkat_fdcwderr, tc) 91 { 92 atf_tc_set_md_var(tc, "descr", 93 "See that unlinkat fails with fd as AT_FDCWD and bad path"); 94 } 95 ATF_TC_BODY(unlinkat_fdcwderr, tc) 96 { 97 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 98 ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 99 } 100 101 ATF_TC(unlinkat_fderr1); 102 ATF_TC_HEAD(unlinkat_fderr1, tc) 103 { 104 atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 105 } 106 ATF_TC_BODY(unlinkat_fderr1, tc) 107 { 108 int dfd; 109 110 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 111 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 112 ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 113 ATF_REQUIRE(close(dfd) == 0); 114 } 115 116 ATF_TC(unlinkat_fderr2); 117 ATF_TC_HEAD(unlinkat_fderr2, tc) 118 { 119 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 120 } 121 ATF_TC_BODY(unlinkat_fderr2, tc) 122 { 123 int dfd; 124 int fd; 125 char cwd[MAXPATHLEN]; 126 127 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 128 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 129 ATF_REQUIRE(close(fd) == 0); 130 131 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 132 ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 133 ATF_REQUIRE(close(dfd) == 0); 134 } 135 136 ATF_TC(unlinkat_fderr3); 137 ATF_TC_HEAD(unlinkat_fderr3, tc) 138 { 139 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 140 } 141 ATF_TC_BODY(unlinkat_fderr3, tc) 142 { 143 int fd; 144 145 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 146 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 147 ATF_REQUIRE(close(fd) == 0); 148 149 ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 150 } 151 152 ATF_TC(unlinkat_dir); 153 ATF_TC_HEAD(unlinkat_dir, tc) 154 { 155 atf_tc_set_md_var(tc, "descr", 156 "See that unlinkat can remove directories"); 157 } 158 ATF_TC_BODY(unlinkat_dir, tc) 159 { 160 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 161 162 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 163 ATF_REQUIRE(errno == EPERM); 164 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 165 } 166 167 ATF_TP_ADD_TCS(tp) 168 { 169 170 ATF_TP_ADD_TC(tp, unlinkat_fd); 171 ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 172 ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 173 ATF_TP_ADD_TC(tp, unlinkat_fderr1); 174 ATF_TP_ADD_TC(tp, unlinkat_fderr2); 175 ATF_TP_ADD_TC(tp, unlinkat_fderr3); 176 ATF_TP_ADD_TC(tp, unlinkat_dir); 177 178 return atf_no_error(); 179 } 180