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 * $FreeBSD$ 31162271Srwatson */ 32162271Srwatson 33162271Srwatson/* 34172106Srwatson * Confirm that calls to fhstatfs() require non-jailed privilege. We create 35172106Srwatson * a 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 <unistd.h> 44162271Srwatson 45162271Srwatson#include "main.h" 46162271Srwatson 47172106Srwatsonstatic char fpath[1024]; 48172106Srwatsonstatic int fpath_initialized; 49172106Srwatsonstatic fhandle_t fh; 50172106Srwatson 51172106Srwatsonint 52172106Srwatsonpriv_vfs_fhstatfs_setup(int asroot, int injail, struct test *test) 53172106Srwatson{ 54172106Srwatson 55172106Srwatson setup_file("priv_vfs_fhstatfs_setup: fpath", fpath, UID_ROOT, 56172106Srwatson GID_WHEEL, 0644); 57172106Srwatson fpath_initialized = 1; 58172106Srwatson if (getfh(fpath, &fh) < 0) { 59172106Srwatson warn("priv_vfs_fhstatfs_setup: getfh(%s)", fpath); 60172106Srwatson return (-1); 61172106Srwatson } 62172106Srwatson return (0); 63172106Srwatson} 64172106Srwatson 65162271Srwatsonvoid 66172106Srwatsonpriv_vfs_fhstatfs(int asroot, int injail, struct test *test) 67162271Srwatson{ 68162271Srwatson struct statfs sf; 69162271Srwatson int error; 70162271Srwatson 71172106Srwatson error = fhstatfs(&fh, &sf); 72172106Srwatson if (asroot && injail) 73172106Srwatson expect("priv_vfs_fhstatfs(asroot, injail)", error, -1, 74172106Srwatson EPERM); 75172106Srwatson if (asroot && !injail) 76172106Srwatson expect("priv_vfs_fhstatfs(asroot, !injail)", error, 0, 0); 77172106Srwatson if (!asroot && injail) 78172106Srwatson expect("priv_vfs_fhstatfs(!asroot, injail)", error, -1, 79172106Srwatson EPERM); 80172106Srwatson if (!asroot && !injail) 81172106Srwatson expect("priv_vfs_fhstatfs(!asroot, !injail)", error, -1, 82172106Srwatson EPERM); 83172106Srwatson} 84162271Srwatson 85172106Srwatsonvoid 86172106Srwatsonpriv_vfs_fhstatfs_cleanup(int asroot, int injail, struct test *test) 87172106Srwatson{ 88162271Srwatson 89172106Srwatson if (fpath_initialized) { 90172106Srwatson (void)unlink(fpath); 91172106Srwatson fpath_initialized = 0; 92162271Srwatson } 93162271Srwatson} 94