HardenedBSD/include/ssp/uio.h
Kyle Evans 1ace24b30c include: ssp: fortify <sys/uio.h>
Check both the buffer size of the iov object itself, as well as that
of each indidvidually io base.

Reviewed by:	markj
Sponsored by:	Klara, Inc.
Sponsored by:	Stormshield
Differential Revision:	https://reviews.freebsd.org/D45684
2024-07-13 00:16:25 -05:00

54 lines
1.9 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2024, Klara, 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _SSP_UIO_H_
#define _SSP_UIO_H_
#include <ssp/ssp.h>
#if __SSP_FORTIFY_LEVEL > 0
__BEGIN_DECLS
__ssp_redirect_raw_impl(ssize_t, readv, readv,
(int fd, const struct iovec *iov, int iovcnt))
{
__ssp_check_iovec(iov, iovcnt);
return (__ssp_real(readv)(fd, iov, iovcnt));
}
__ssp_redirect_raw_impl(ssize_t, preadv, preadv,
(int fd, const struct iovec *iov, int iovcnt, off_t offset))
{
__ssp_check_iovec(iov, iovcnt);
return (__ssp_real(preadv)(fd, iov, iovcnt, offset));
}
__END_DECLS
#endif /* __SSP_FORTIFY_LEVEL > 0 */
#endif /* _SSP_UIO_H_ */