t_unlinkat.c revision 272343
1272343Sngie/* $NetBSD: t_unlinkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2012 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Emmanuel Dreyfus. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie#include <sys/cdefs.h> 32272343Sngie__RCSID("$NetBSD: t_unlinkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $"); 33272343Sngie 34272343Sngie#include <atf-c.h> 35272343Sngie#include <errno.h> 36272343Sngie#include <fcntl.h> 37272343Sngie#include <limits.h> 38272343Sngie#include <paths.h> 39272343Sngie#include <stdio.h> 40272343Sngie#include <string.h> 41272343Sngie#include <unistd.h> 42272343Sngie#include <sys/param.h> 43272343Sngie 44272343Sngie#define DIR "dir" 45272343Sngie#define FILE "dir/unlinkat" 46272343Sngie#define BASEFILE "unlinkat" 47272343Sngie#define FILEERR "dir/unlinkaterr" 48272343Sngie 49272343SngieATF_TC(unlinkat_fd); 50272343SngieATF_TC_HEAD(unlinkat_fd, tc) 51272343Sngie{ 52272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 53272343Sngie} 54272343SngieATF_TC_BODY(unlinkat_fd, tc) 55272343Sngie{ 56272343Sngie int dfd; 57272343Sngie int fd; 58272343Sngie 59272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 60272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 61272343Sngie ATF_REQUIRE(close(fd) == 0); 62272343Sngie 63272343Sngie ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 64272343Sngie ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == 0); 65272343Sngie ATF_REQUIRE(close(dfd) == 0); 66272343Sngie} 67272343Sngie 68272343SngieATF_TC(unlinkat_fdcwd); 69272343SngieATF_TC_HEAD(unlinkat_fdcwd, tc) 70272343Sngie{ 71272343Sngie atf_tc_set_md_var(tc, "descr", 72272343Sngie "See that unlinkat works with fd as AT_FDCWD"); 73272343Sngie} 74272343SngieATF_TC_BODY(unlinkat_fdcwd, tc) 75272343Sngie{ 76272343Sngie int fd; 77272343Sngie 78272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 79272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 80272343Sngie ATF_REQUIRE(close(fd) == 0); 81272343Sngie 82272343Sngie ATF_REQUIRE(chdir(DIR) == 0); 83272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 84272343Sngie} 85272343Sngie 86272343SngieATF_TC(unlinkat_fdcwderr); 87272343SngieATF_TC_HEAD(unlinkat_fdcwderr, tc) 88272343Sngie{ 89272343Sngie atf_tc_set_md_var(tc, "descr", 90272343Sngie "See that unlinkat fails with fd as AT_FDCWD and bad path"); 91272343Sngie} 92272343SngieATF_TC_BODY(unlinkat_fdcwderr, tc) 93272343Sngie{ 94272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 95272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 96272343Sngie} 97272343Sngie 98272343SngieATF_TC(unlinkat_fderr1); 99272343SngieATF_TC_HEAD(unlinkat_fderr1, tc) 100272343Sngie{ 101272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 102272343Sngie} 103272343SngieATF_TC_BODY(unlinkat_fderr1, tc) 104272343Sngie{ 105272343Sngie int dfd; 106272343Sngie 107272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 108272343Sngie ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 109272343Sngie ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 110272343Sngie ATF_REQUIRE(close(dfd) == 0); 111272343Sngie} 112272343Sngie 113272343SngieATF_TC(unlinkat_fderr2); 114272343SngieATF_TC_HEAD(unlinkat_fderr2, tc) 115272343Sngie{ 116272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 117272343Sngie} 118272343SngieATF_TC_BODY(unlinkat_fderr2, tc) 119272343Sngie{ 120272343Sngie int dfd; 121272343Sngie int fd; 122272343Sngie char cwd[MAXPATHLEN]; 123272343Sngie 124272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 125272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 126272343Sngie ATF_REQUIRE(close(fd) == 0); 127272343Sngie 128272343Sngie ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 129272343Sngie ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 130272343Sngie ATF_REQUIRE(close(dfd) == 0); 131272343Sngie} 132272343Sngie 133272343SngieATF_TC(unlinkat_fderr3); 134272343SngieATF_TC_HEAD(unlinkat_fderr3, tc) 135272343Sngie{ 136272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 137272343Sngie} 138272343SngieATF_TC_BODY(unlinkat_fderr3, tc) 139272343Sngie{ 140272343Sngie int fd; 141272343Sngie 142272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 143272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 144272343Sngie ATF_REQUIRE(close(fd) == 0); 145272343Sngie 146272343Sngie ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 147272343Sngie} 148272343Sngie 149272343SngieATF_TC(unlinkat_dir); 150272343SngieATF_TC_HEAD(unlinkat_dir, tc) 151272343Sngie{ 152272343Sngie atf_tc_set_md_var(tc, "descr", 153272343Sngie "See that unlinkat can remove directories"); 154272343Sngie} 155272343SngieATF_TC_BODY(unlinkat_dir, tc) 156272343Sngie{ 157272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 158272343Sngie 159272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 160272343Sngie ATF_REQUIRE(errno == EPERM); 161272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 162272343Sngie} 163272343Sngie 164272343SngieATF_TP_ADD_TCS(tp) 165272343Sngie{ 166272343Sngie 167272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fd); 168272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 169272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 170272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr1); 171272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr2); 172272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr3); 173272343Sngie ATF_TP_ADD_TC(tp, unlinkat_dir); 174272343Sngie 175272343Sngie return atf_no_error(); 176272343Sngie} 177