1257633Spjd/* $NetBSD: t_unlinkat.c,v 1.3 2017/01/10 15:13:56 christos Exp $ */ 2257633Spjd 3257633Spjd/*- 4257633Spjd * Copyright (c) 2012 The NetBSD Foundation, Inc. 5257633Spjd * All rights reserved. 6257633Spjd * 7257633Spjd * This code is derived from software contributed to The NetBSD Foundation 8257633Spjd * by Emmanuel Dreyfus. 9257633Spjd * 10257633Spjd * Redistribution and use in source and binary forms, with or without 11257633Spjd * modification, are permitted provided that the following conditions 12257633Spjd * are met: 13257633Spjd * 1. Redistributions of source code must retain the above copyright 14257633Spjd * notice, this list of conditions and the following disclaimer. 15257633Spjd * 2. Redistributions in binary form must reproduce the above copyright 16257633Spjd * notice, this list of conditions and the following disclaimer in the 17257633Spjd * documentation and/or other materials provided with the distribution. 18257633Spjd * 19257633Spjd * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20257633Spjd * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21257633Spjd * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22257633Spjd * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23257633Spjd * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24257633Spjd * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25257633Spjd * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26257633Spjd * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27257633Spjd * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28257633Spjd * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29257633Spjd * POSSIBILITY OF SUCH DAMAGE. 30257633Spjd */ 31257633Spjd#include <sys/cdefs.h> 32257633Spjd__RCSID("$NetBSD: t_unlinkat.c,v 1.3 2017/01/10 15:13:56 christos Exp $"); 33257633Spjd 34257633Spjd#include <sys/param.h> 35305151Skib#include <sys/stat.h> 36257633Spjd#include <atf-c.h> 37257633Spjd#include <errno.h> 38257633Spjd#include <fcntl.h> 39257633Spjd#include <limits.h> 40257633Spjd#include <paths.h> 41257633Spjd#include <stdio.h> 42257633Spjd#include <string.h> 43257633Spjd#include <unistd.h> 44257633Spjd 45257633Spjd#define DIR "dir" 46257633Spjd#define FILE "dir/unlinkat" 47257633Spjd#define BASEFILE "unlinkat" 48257633Spjd#define FILEERR "dir/unlinkaterr" 49257633Spjd 50257633SpjdATF_TC(unlinkat_fd); 51257633SpjdATF_TC_HEAD(unlinkat_fd, tc) 52257633Spjd{ 53257633Spjd atf_tc_set_md_var(tc, "descr", "See that unlinkat works with fd"); 54257633Spjd} 55257633SpjdATF_TC_BODY(unlinkat_fd, tc) 56257633Spjd{ 57257633Spjd int dfd; 58257633Spjd int fd; 59257633Spjd 60257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 61257633Spjd ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 62257633Spjd ATF_REQUIRE(close(fd) == 0); 63257633Spjd 64257633Spjd ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 65257633Spjd ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == 0); 66257633Spjd ATF_REQUIRE(close(dfd) == 0); 67257633Spjd} 68257633Spjd 69257633SpjdATF_TC(unlinkat_fdcwd); 70257633SpjdATF_TC_HEAD(unlinkat_fdcwd, tc) 71257633Spjd{ 72257633Spjd atf_tc_set_md_var(tc, "descr", 73257633Spjd "See that unlinkat works with fd as AT_FDCWD"); 74287209Sed} 75257633SpjdATF_TC_BODY(unlinkat_fdcwd, tc) 76257633Spjd{ 77257633Spjd int fd; 78257633Spjd 79257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 80257633Spjd ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 81257633Spjd ATF_REQUIRE(close(fd) == 0); 82257633Spjd 83257633Spjd ATF_REQUIRE(chdir(DIR) == 0); 84257633Spjd ATF_REQUIRE(unlinkat(AT_FDCWD, BASEFILE, 0) == 0); 85257633Spjd} 86257633Spjd 87257633SpjdATF_TC(unlinkat_fdcwderr); 88257633SpjdATF_TC_HEAD(unlinkat_fdcwderr, tc) 89257633Spjd{ 90257633Spjd atf_tc_set_md_var(tc, "descr", 91257633Spjd "See that unlinkat fails with fd as AT_FDCWD and bad path"); 92257633Spjd} 93257633SpjdATF_TC_BODY(unlinkat_fdcwderr, tc) 94257633Spjd{ 95257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 96257633Spjd ATF_REQUIRE(unlinkat(AT_FDCWD, FILEERR, 0) == -1); 97257633Spjd} 98257633Spjd 99257633SpjdATF_TC(unlinkat_fderr1); 100257633SpjdATF_TC_HEAD(unlinkat_fderr1, tc) 101257633Spjd{ 102257633Spjd atf_tc_set_md_var(tc, "descr", "See that unlinkat fail with bad path"); 103257633Spjd} 104257633SpjdATF_TC_BODY(unlinkat_fderr1, tc) 105257633Spjd{ 106257633Spjd int dfd; 107257633Spjd 108257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 109257633Spjd ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 110257633Spjd ATF_REQUIRE(unlinkat(dfd, FILEERR, 0) == -1); 111257633Spjd ATF_REQUIRE(close(dfd) == 0); 112257633Spjd} 113257633Spjd 114257633SpjdATF_TC(unlinkat_fderr2); 115257633SpjdATF_TC_HEAD(unlinkat_fderr2, tc) 116257633Spjd{ 117257633Spjd atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with bad fdat"); 118257633Spjd} 119257633SpjdATF_TC_BODY(unlinkat_fderr2, tc) 120257633Spjd{ 121257633Spjd int dfd; 122257633Spjd int fd; 123257633Spjd char cwd[MAXPATHLEN]; 124257633Spjd 125257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 126257633Spjd ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 127257633Spjd ATF_REQUIRE(close(fd) == 0); 128257633Spjd 129257633Spjd ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1); 130257633Spjd ATF_REQUIRE(unlinkat(dfd, BASEFILE, 0) == -1); 131257633Spjd ATF_REQUIRE(close(dfd) == 0); 132257633Spjd} 133257633Spjd 134257633SpjdATF_TC(unlinkat_fderr3); 135257633SpjdATF_TC_HEAD(unlinkat_fderr3, tc) 136257633Spjd{ 137257633Spjd atf_tc_set_md_var(tc, "descr", "See that unlinkat fails with fd as -1"); 138257633Spjd} 139257633SpjdATF_TC_BODY(unlinkat_fderr3, tc) 140257633Spjd{ 141257633Spjd int fd; 142257633Spjd 143257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 144257633Spjd ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 145257633Spjd ATF_REQUIRE(close(fd) == 0); 146257633Spjd 147257633Spjd ATF_REQUIRE(unlinkat(-1, FILE, 0) == -1); 148257633Spjd} 149257633Spjd 150257633SpjdATF_TC(unlinkat_dir); 151257633SpjdATF_TC_HEAD(unlinkat_dir, tc) 152257633Spjd{ 153257633Spjd atf_tc_set_md_var(tc, "descr", 154257633Spjd "See that unlinkat can remove directories"); 155257633Spjd} 156257633SpjdATF_TC_BODY(unlinkat_dir, tc) 157257633Spjd{ 158257633Spjd ATF_REQUIRE(mkdir(DIR, 0755) == 0); 159257633Spjd 160257633Spjd ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, 0) == -1); 161257633Spjd ATF_REQUIRE(errno == EPERM); 162257633Spjd ATF_REQUIRE(unlinkat(AT_FDCWD, DIR, AT_REMOVEDIR) == 0); 163257633Spjd} 164257633Spjd 165257633SpjdATF_TP_ADD_TCS(tp) 166257633Spjd{ 167257633Spjd 168257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fd); 169257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fdcwd); 170257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fdcwderr); 171257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fderr1); 172257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fderr2); 173257633Spjd ATF_TP_ADD_TC(tp, unlinkat_fderr3); 174257633Spjd ATF_TP_ADD_TC(tp, unlinkat_dir); 175257633Spjd 176257633Spjd return atf_no_error(); 177257633Spjd} 178257633Spjd