t_unlinkat.c revision 272345
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 49ATF_TC(unlinkat_fd); 50ATF_TC_HEAD(unlinkat_fd, tc) 51{ 52 atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 53} 54ATF_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 68ATF_TC(unlinkat_fdcwd); 69ATF_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} 74ATF_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 86ATF_TC(unlinkat_fdcwderr); 87ATF_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} 92ATF_TC_BODY(unlinkat_fdcwderr, tc) 93{ 94 ATF_REQUIRE(mkdir(DIR, 0755) == 0); 95 ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 96} 97 98ATF_TC(unlinkat_fderr1); 99ATF_TC_HEAD(unlinkat_fderr1, tc) 100{ 101 atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 102} 103ATF_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 113ATF_TC(unlinkat_fderr2); 114ATF_TC_HEAD(unlinkat_fderr2, tc) 115{ 116 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 117} 118ATF_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 133ATF_TC(unlinkat_fderr3); 134ATF_TC_HEAD(unlinkat_fderr3, tc) 135{ 136 atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 137} 138ATF_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 149ATF_TC(unlinkat_dir); 150ATF_TC_HEAD(unlinkat_dir, tc) 151{ 152 atf_tc_set_md_var(tc, "descr", 153 "See that unlinkat can remove directories"); 154} 155ATF_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 164ATF_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