1272343Sngie/* $NetBSD: t_symlinkat.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_symlinkat.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#include <sys/stat.h> 44272343Sngie 45272343Sngie#define ODIR "olddir" 46272343Sngie#define NDIR "newdir" 47272343Sngie#define FILE "olddir/old" 48272343Sngie#define BASEFILE "old" 49272343Sngie#define RELFILE "../olddir/old" 50272343Sngie#define LINK "newdir/symlink" 51272343Sngie#define BASELINK "symlink" 52272343Sngie#define FILEERR "olddir/olderr" 53272343Sngie 54272343SngieATF_TC(symlinkat_fd); 55272343SngieATF_TC_HEAD(symlinkat_fd, tc) 56272343Sngie{ 57272343Sngie atf_tc_set_md_var(tc, "descr", "See that symlinkat works with fd"); 58272343Sngie} 59272343SngieATF_TC_BODY(symlinkat_fd, tc) 60272343Sngie{ 61272343Sngie int dfd, fd; 62272343Sngie struct stat ost, nst; 63272343Sngie 64272343Sngie ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 65272343Sngie ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 66272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 67272343Sngie ATF_REQUIRE(close(fd) != -1); 68272343Sngie 69272343Sngie ATF_REQUIRE((dfd = open(NDIR, O_RDONLY, 0)) != -1); 70272343Sngie ATF_REQUIRE(symlinkat(RELFILE, dfd, BASELINK) == 0); 71272343Sngie ATF_REQUIRE(close(dfd) == 0); 72272343Sngie 73272343Sngie ATF_REQUIRE(stat(FILE, &ost) == 0); 74272343Sngie ATF_REQUIRE(stat(LINK, &nst) == 0); 75272343Sngie ATF_REQUIRE(ost.st_ino == nst.st_ino); 76272343Sngie} 77272343Sngie 78272343SngieATF_TC(symlinkat_fdcwd); 79272343SngieATF_TC_HEAD(symlinkat_fdcwd, tc) 80272343Sngie{ 81272343Sngie atf_tc_set_md_var(tc, "descr", 82272343Sngie "See that symlinkat works with fd as AT_FDCWD"); 83272343Sngie} 84272343SngieATF_TC_BODY(symlinkat_fdcwd, tc) 85272343Sngie{ 86272343Sngie int fd; 87272343Sngie struct stat ost, nst; 88272343Sngie 89272343Sngie ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 90272343Sngie ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 91272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 92272343Sngie ATF_REQUIRE(close(fd) != -1); 93272343Sngie 94272343Sngie ATF_REQUIRE(symlinkat(RELFILE, AT_FDCWD, LINK) == 0); 95272343Sngie 96272343Sngie ATF_REQUIRE(stat(FILE, &ost) == 0); 97272343Sngie ATF_REQUIRE(stat(LINK, &nst) == 0); 98272343Sngie ATF_REQUIRE(ost.st_ino == nst.st_ino); 99272343Sngie} 100272343Sngie 101272343SngieATF_TC(symlinkat_fdcwderr); 102272343SngieATF_TC_HEAD(symlinkat_fdcwderr, tc) 103272343Sngie{ 104272343Sngie atf_tc_set_md_var(tc, "descr", 105272343Sngie "See that symlinkat works with fd as AT_FDCWD and bad path"); 106272343Sngie} 107272343SngieATF_TC_BODY(symlinkat_fdcwderr, tc) 108272343Sngie{ 109272343Sngie int fd; 110272343Sngie struct stat st; 111272343Sngie 112272343Sngie ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 113272343Sngie ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 114272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 115272343Sngie ATF_REQUIRE(close(fd) != -1); 116272343Sngie 117272343Sngie ATF_REQUIRE(symlinkat(FILEERR, AT_FDCWD, LINK) == 0); 118272343Sngie ATF_REQUIRE(lstat(LINK, &st) == 0); 119272343Sngie ATF_REQUIRE(stat(LINK, &st) == -1); 120272343Sngie ATF_REQUIRE(errno == ENOENT); 121272343Sngie 122272343Sngie} 123272343Sngie 124272343SngieATF_TC(symlinkat_fderr); 125272343SngieATF_TC_HEAD(symlinkat_fderr, tc) 126272343Sngie{ 127272343Sngie atf_tc_set_md_var(tc, "descr", "See that symlinkat fails with fd as -1"); 128272343Sngie} 129272343SngieATF_TC_BODY(symlinkat_fderr, tc) 130272343Sngie{ 131272343Sngie int fd; 132272343Sngie 133272343Sngie ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 134272343Sngie ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 135272343Sngie ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 136272343Sngie ATF_REQUIRE(close(fd) != -1); 137272343Sngie 138272343Sngie ATF_REQUIRE(symlinkat(RELFILE, -1, LINK) == -1); 139272343Sngie} 140272343Sngie 141272343SngieATF_TP_ADD_TCS(tp) 142272343Sngie{ 143272343Sngie 144272343Sngie ATF_TP_ADD_TC(tp, symlinkat_fd); 145272343Sngie ATF_TP_ADD_TC(tp, symlinkat_fdcwd); 146272343Sngie ATF_TP_ADD_TC(tp, symlinkat_fdcwderr); 147272343Sngie ATF_TP_ADD_TC(tp, symlinkat_fderr); 148272343Sngie 149272343Sngie return atf_no_error(); 150272343Sngie} 151