1313535Sngie/* $NetBSD: t_unlinkat.c,v 1.3 2017/01/10 15:13:56 christos 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> 32313535Sngie__RCSID("$NetBSD: t_unlinkat.c,v 1.3 2017/01/10 15:13:56 christos Exp $"); 33272343Sngie 34313535Sngie#include <sys/param.h> 35313535Sngie#include <sys/stat.h> 36272343Sngie#include <atf-c.h> 37272343Sngie#include <errno.h> 38272343Sngie#include <fcntl.h> 39272343Sngie#include <limits.h> 40272343Sngie#include <paths.h> 41272343Sngie#include <stdio.h> 42272343Sngie#include <string.h> 43272343Sngie#include <unistd.h> 44272343Sngie 45272343Sngie#define DIR "dir" 46272343Sngie#define FILE "dir/unlinkat" 47272343Sngie#define BASEFILE "unlinkat" 48272343Sngie#define FILEERR "dir/unlinkaterr" 49272343Sngie 50272343SngieATF_TC(unlinkat_fd); 51272343SngieATF_TC_HEAD(unlinkat_fd, tc) 52272343Sngie{ 53272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 54272343Sngie} 55272343SngieATF_TC_BODY(unlinkat_fd, tc) 56272343Sngie{ 57272343Sngie int dfd; 58272343Sngie int fd; 59272343Sngie 60272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 61272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 62272343Sngie ATF_REQUIRE(close(fd) == 0); 63272343Sngie 64272343Sngie ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 65272343Sngie ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == 0); 66272343Sngie ATF_REQUIRE(close(dfd) == 0); 67272343Sngie} 68272343Sngie 69272343SngieATF_TC(unlinkat_fdcwd); 70272343SngieATF_TC_HEAD(unlinkat_fdcwd, tc) 71272343Sngie{ 72272343Sngie atf_tc_set_md_var(tc, "descr", 73272343Sngie "See that unlinkat works with fd as AT_FDCWD"); 74272343Sngie} 75272343SngieATF_TC_BODY(unlinkat_fdcwd, tc) 76272343Sngie{ 77272343Sngie int fd; 78272343Sngie 79272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 80272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 81272343Sngie ATF_REQUIRE(close(fd) == 0); 82272343Sngie 83272343Sngie ATF_REQUIRE(chdir(DIR) == 0); 84272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 85272343Sngie} 86272343Sngie 87272343SngieATF_TC(unlinkat_fdcwderr); 88272343SngieATF_TC_HEAD(unlinkat_fdcwderr, tc) 89272343Sngie{ 90272343Sngie atf_tc_set_md_var(tc, "descr", 91272343Sngie "See that unlinkat fails with fd as AT_FDCWD and bad path"); 92272343Sngie} 93272343SngieATF_TC_BODY(unlinkat_fdcwderr, tc) 94272343Sngie{ 95272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 96272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 97272343Sngie} 98272343Sngie 99272343SngieATF_TC(unlinkat_fderr1); 100272343SngieATF_TC_HEAD(unlinkat_fderr1, tc) 101272343Sngie{ 102272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 103272343Sngie} 104272343SngieATF_TC_BODY(unlinkat_fderr1, tc) 105272343Sngie{ 106272343Sngie int dfd; 107272343Sngie 108272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 109272343Sngie ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 110272343Sngie ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 111272343Sngie ATF_REQUIRE(close(dfd) == 0); 112272343Sngie} 113272343Sngie 114272343SngieATF_TC(unlinkat_fderr2); 115272343SngieATF_TC_HEAD(unlinkat_fderr2, tc) 116272343Sngie{ 117272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 118272343Sngie} 119272343SngieATF_TC_BODY(unlinkat_fderr2, tc) 120272343Sngie{ 121272343Sngie int dfd; 122272343Sngie int fd; 123272343Sngie char cwd[MAXPATHLEN]; 124272343Sngie 125272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 126272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 127272343Sngie ATF_REQUIRE(close(fd) == 0); 128272343Sngie 129272343Sngie ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 130272343Sngie ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 131272343Sngie ATF_REQUIRE(close(dfd) == 0); 132272343Sngie} 133272343Sngie 134272343SngieATF_TC(unlinkat_fderr3); 135272343SngieATF_TC_HEAD(unlinkat_fderr3, tc) 136272343Sngie{ 137272343Sngie atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 138272343Sngie} 139272343SngieATF_TC_BODY(unlinkat_fderr3, tc) 140272343Sngie{ 141272343Sngie int fd; 142272343Sngie 143272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 144272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 145272343Sngie ATF_REQUIRE(close(fd) == 0); 146272343Sngie 147272343Sngie ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 148272343Sngie} 149272343Sngie 150272343SngieATF_TC(unlinkat_dir); 151272343SngieATF_TC_HEAD(unlinkat_dir, tc) 152272343Sngie{ 153272343Sngie atf_tc_set_md_var(tc, "descr", 154272343Sngie "See that unlinkat can remove directories"); 155272343Sngie} 156272343SngieATF_TC_BODY(unlinkat_dir, tc) 157272343Sngie{ 158272343Sngie ATF_REQUIRE(mkdir(DIR, 0755) == 0); 159272343Sngie 160272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 161272343Sngie ATF_REQUIRE(errno == EPERM); 162272343Sngie ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 163272343Sngie} 164272343Sngie 165272343SngieATF_TP_ADD_TCS(tp) 166272343Sngie{ 167272343Sngie 168272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fd); 169272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 170272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 171272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr1); 172272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr2); 173272343Sngie ATF_TP_ADD_TC(tp, unlinkat_fderr3); 174272343Sngie ATF_TP_ADD_TC(tp, unlinkat_dir); 175272343Sngie 176272343Sngie return atf_no_error(); 177272343Sngie} 178