/*-
* Copyright (c) 2006 nCircle Network Security, Inc.
* Copyright (c) 2007 Robert N. M. Watson
* All rights reserved.
*
* This software was developed by Robert N. M. Watson for the TrustedBSD
* Project under contract to nCircle Network Security, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
* INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Confirm that calls to fhopen() require non-jailed priilege. We create a
* temporary file and grab the file handle using getfh() before starting.
*/
#include <sys/param.h>
#include <sys/mount.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include "main.h"
static char fpath[1024];
static int fpath_initialized;
static fhandle_t fh;
int
priv_vfs_fhopen_setup(int asroot, int injail, struct test *test)
{
setup_file("private_vfs_fhopen_setup: fpath", fpath, UID_ROOT,
GID_WHEEL, 0644);
fpath_initialized = 1;
if (getfh(fpath, &fh) < 0) {
warn("priv_vfs_fhopen_setup: getfh(%s)", fpath);
return (-1);
}
return (0);
}
void
priv_vfs_fhopen(int asroot, int injail, struct test *test)
{
int errno_saved, error, fd;
fd = fhopen(&fh, O_RDONLY);
if (fd >= 0) {
error = 0;
errno_saved = errno;
close(fd);
errno = errno_saved;
} else
error = -1;
if (asroot && injail)
expect("priv_vfs_fhopen(asroot, injail)", error, -1, EPERM);
if (asroot && !injail)
expect("priv_vfs_fhopen(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_vfs_fhopen(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_vfs_fhopen(!asroot, !injail)", error, -1, EPERM);
}
void
priv_vfs_fhopen_cleanup(int asroot, int injail, struct test *test)
{
if (fpath_initialized) {
(void)unlink(fpath);
fpath_initialized = 0;
}
}
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