t_unlinkat.c revision 1.2
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 44 #define DIR "dir" 45 #define FILE "dir/unlinkat" 46 #define BASEFILE "unlinkat" 47 #define FILEERR "dir/unlinkaterr" 48 49 ATF_TC(unlinkat_fd); 50 ATF_TC_HEAD(unlinkat_fd, tc) 51 { 52 atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 53 } 54 ATF_TC_BODY(unlinkat_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(unlinkat(dfd, BASEFILE, 0) == 0); 65 ATF_REQUIRE(close(dfd) == 0); 66 } 67 68 ATF_TC(unlinkat_fdcwd); 69 ATF_TC_HEAD(unlinkat_fdcwd, tc) 70 { 71 atf_tc_set_md_var(tc, "descr", 72 "See that unlinkat works with fd as AT_FDCWD"); 73 } 74 ATF_TC_BODY(unlinkat_fdcwd, tc) 75 { 76 int fd; 77 78 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 79 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 80 ATF_REQUIRE(close(fd) == 0); 81 82 ATF_REQUIRE(chdir(DIR) == 0); 83 ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 84 } 85 86 ATF_TC(unlinkat_fdcwderr); 87 ATF_TC_HEAD(unlinkat_fdcwderr, tc) 88 { 89 atf_tc_set_md_var(tc, "descr", 90 "See that unlinkat fails with fd as AT_FDCWD and bad path"); 91 } 92 ATF_TC_BODY(unlinkat_fdcwderr, tc) 93 { 94 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 95 ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 96 } 97 98 ATF_TC(unlinkat_fderr1); 99 ATF_TC_HEAD(unlinkat_fderr1, tc) 100 { 101 atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 102 } 103 ATF_TC_BODY(unlinkat_fderr1, tc) 104 { 105 int dfd; 106 107 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 108 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 109 ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 110 ATF_REQUIRE(close(dfd) == 0); 111 } 112 113 ATF_TC(unlinkat_fderr2); 114 ATF_TC_HEAD(unlinkat_fderr2, tc) 115 { 116 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 117 } 118 ATF_TC_BODY(unlinkat_fderr2, tc) 119 { 120 int dfd; 121 int fd; 122 char cwd[MAXPATHLEN]; 123 124 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 125 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 126 ATF_REQUIRE(close(fd) == 0); 127 128 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 129 ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 130 ATF_REQUIRE(close(dfd) == 0); 131 } 132 133 ATF_TC(unlinkat_fderr3); 134 ATF_TC_HEAD(unlinkat_fderr3, tc) 135 { 136 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 137 } 138 ATF_TC_BODY(unlinkat_fderr3, tc) 139 { 140 int fd; 141 142 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 143 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 144 ATF_REQUIRE(close(fd) == 0); 145 146 ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 147 } 148 149 ATF_TC(unlinkat_dir); 150 ATF_TC_HEAD(unlinkat_dir, tc) 151 { 152 atf_tc_set_md_var(tc, "descr", 153 "See that unlinkat can remove directories"); 154 } 155 ATF_TC_BODY(unlinkat_dir, tc) 156 { 157 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 158 159 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 160 ATF_REQUIRE(errno == EPERM); 161 ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 162 } 163 164 ATF_TP_ADD_TCS(tp) 165 { 166 167 ATF_TP_ADD_TC(tp, unlinkat_fd); 168 ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 169 ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 170 ATF_TP_ADD_TC(tp, unlinkat_fderr1); 171 ATF_TP_ADD_TC(tp, unlinkat_fderr2); 172 ATF_TP_ADD_TC(tp, unlinkat_fderr3); 173 ATF_TP_ADD_TC(tp, unlinkat_dir); 174 175 return atf_no_error(); 176 } 177
Indexes created Tue Sep 23 07:09:52 GMT 2025