1162271Srwatson/*- 2162271Srwatson * Copyright (c) 2006 nCircle Network Security, Inc. 3172106Srwatson * Copyright (c) 2007 Robert N. M. Watson 4162271Srwatson * All rights reserved. 5162271Srwatson * 6162271Srwatson * This software was developed by Robert N. M. Watson for the TrustedBSD 7162271Srwatson * Project under contract to nCircle Network Security, Inc. 8162271Srwatson * 9162271Srwatson * Redistribution and use in source and binary forms, with or without 10162271Srwatson * modification, are permitted provided that the following conditions 11162271Srwatson * are met: 12162271Srwatson * 1. Redistributions of source code must retain the above copyright 13162271Srwatson * notice, this list of conditions and the following disclaimer. 14162271Srwatson * 2. Redistributions in binary form must reproduce the above copyright 15162271Srwatson * notice, this list of conditions and the following disclaimer in the 16162271Srwatson * documentation and/or other materials provided with the distribution. 17162271Srwatson * 18162271Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19162271Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20162271Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21162271Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY, 22162271Srwatson * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23162271Srwatson * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 24162271Srwatson * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 25162271Srwatson * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 26162271Srwatson * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27162271Srwatson * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28162271Srwatson * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29162271Srwatson * 30162271Srwatson * $FreeBSD: releng/10.3/tools/regression/priv/priv_vfs_fhopen.c 172106 2007-09-09 23:08:39Z rwatson $ 31162271Srwatson */ 32162271Srwatson 33162271Srwatson/* 34172106Srwatson * Confirm that calls to fhopen() require non-jailed priilege. We create a 35172106Srwatson * temporary file and grab the file handle using getfh() before starting. 36162271Srwatson */ 37162271Srwatson 38162271Srwatson#include <sys/param.h> 39162271Srwatson#include <sys/mount.h> 40162271Srwatson 41162271Srwatson#include <err.h> 42162271Srwatson#include <errno.h> 43162271Srwatson#include <fcntl.h> 44162271Srwatson#include <unistd.h> 45162271Srwatson 46162271Srwatson#include "main.h" 47162271Srwatson 48172106Srwatsonstatic char fpath[1024]; 49172106Srwatsonstatic int fpath_initialized; 50172106Srwatsonstatic fhandle_t fh; 51172106Srwatson 52172106Srwatsonint 53172106Srwatsonpriv_vfs_fhopen_setup(int asroot, int injail, struct test *test) 54162271Srwatson{ 55162271Srwatson 56172106Srwatson setup_file("private_vfs_fhopen_setup: fpath", fpath, UID_ROOT, 57172106Srwatson GID_WHEEL, 0644); 58172106Srwatson fpath_initialized = 1; 59162271Srwatson if (getfh(fpath, &fh) < 0) { 60172106Srwatson warn("priv_vfs_fhopen_setup: getfh(%s)", fpath); 61172106Srwatson return (-1); 62162271Srwatson } 63172106Srwatson return (0); 64172106Srwatson} 65162271Srwatson 66172106Srwatsonvoid 67172106Srwatsonpriv_vfs_fhopen(int asroot, int injail, struct test *test) 68172106Srwatson{ 69172106Srwatson int errno_saved, error, fd; 70162271Srwatson 71162271Srwatson fd = fhopen(&fh, O_RDONLY); 72162271Srwatson if (fd >= 0) { 73172106Srwatson error = 0; 74172106Srwatson errno_saved = errno; 75162271Srwatson close(fd); 76172106Srwatson errno = errno_saved; 77172106Srwatson } else 78172106Srwatson error = -1; 79172106Srwatson if (asroot && injail) 80172106Srwatson expect("priv_vfs_fhopen(asroot, injail)", error, -1, EPERM); 81172106Srwatson if (asroot && !injail) 82172106Srwatson expect("priv_vfs_fhopen(asroot, !injail)", error, 0, 0); 83172106Srwatson if (!asroot && injail) 84172106Srwatson expect("priv_vfs_fhopen(!asroot, injail)", error, -1, EPERM); 85172106Srwatson if (!asroot && !injail) 86172106Srwatson expect("priv_vfs_fhopen(!asroot, !injail)", error, -1, EPERM); 87172106Srwatson} 88172106Srwatson 89172106Srwatsonvoid 90172106Srwatsonpriv_vfs_fhopen_cleanup(int asroot, int injail, struct test *test) 91172106Srwatson{ 92172106Srwatson 93172106Srwatson if (fpath_initialized) { 94172106Srwatson (void)unlink(fpath); 95172106Srwatson fpath_initialized = 0; 96162271Srwatson } 97162271Srwatson} 98