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b8730c11a3
`inline` isn't always a keyword, so we should be using __ssp_inline as we do everywhere else in the _FORTIFY_SOURCE support. Variable declarations in a loop initializer are also not always supported, so declare any loop vars in advance. Reviewed by: kib (earlier version), markj Sponsored by: Klara, Inc. Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D45976
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2024, Klara, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SSP_SOCKET_H_
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#define _SSP_SOCKET_H_
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#include <ssp/ssp.h>
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#if __SSP_FORTIFY_LEVEL > 0
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#include <sys/_null.h>
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__BEGIN_DECLS
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__ssp_inline void
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__ssp_check_msghdr(struct msghdr *hdr)
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{
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if (__ssp_bos(hdr->msg_name) < hdr->msg_namelen)
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__chk_fail();
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__ssp_check_iovec(hdr->msg_iov, hdr->msg_iovlen);
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if (__ssp_bos(hdr->msg_control) < hdr->msg_controllen)
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__chk_fail();
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}
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__ssp_redirect_raw_impl(int, getpeername, getpeername,
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(int fdes, struct sockaddr *__restrict name, socklen_t *__restrict namelen))
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{
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size_t namesz = __ssp_bos(name);
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if (namesz != (size_t)-1 && namesz < *namelen)
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__chk_fail();
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return (__ssp_real(getpeername)(fdes, name, namelen));
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}
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__ssp_redirect_raw_impl(int, getsockname, getsockname,
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(int fdes, struct sockaddr *__restrict name,
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socklen_t *__restrict namelen))
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{
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size_t namesz = __ssp_bos(name);
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if (namesz != (size_t)-1 && namesz < *namelen)
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__chk_fail();
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return (__ssp_real(getsockname)(fdes, name, namelen));
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}
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__ssp_redirect(ssize_t, recv, (int __sock, void *__buf, size_t __len,
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int __flags), (__sock, __buf, __len, __flags));
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__ssp_redirect_raw_impl(ssize_t, recvfrom, recvfrom,
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(int s, void *buf, size_t len, int flags,
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struct sockaddr *__restrict from,
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socklen_t *__restrict fromlen))
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{
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if (__ssp_bos(buf) < len)
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__chk_fail();
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if (from != NULL && __ssp_bos(from) < *fromlen)
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__chk_fail();
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return (__ssp_real(recvfrom)(s, buf, len, flags, from, fromlen));
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}
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__ssp_redirect_raw_impl(ssize_t, recvmsg, recvmsg,
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(int s, struct msghdr *hdr, int flags))
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{
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__ssp_check_msghdr(hdr);
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return (__ssp_real(recvmsg)(s, hdr, flags));
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}
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#if __BSD_VISIBLE
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struct timespec;
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__ssp_redirect_raw_impl(ssize_t, recvmmsg, recvmmsg,
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(int s, struct mmsghdr *__restrict hdrvec, size_t vlen, int flags,
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const struct timespec *__restrict timeout))
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{
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const size_t vecsz = __ssp_bos(hdrvec);
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size_t i;
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if (vecsz != (size_t)-1 && vecsz / sizeof(*hdrvec) < vlen)
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__chk_fail();
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for (i = 0; i < vlen; i++) {
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__ssp_check_msghdr(&hdrvec[i].msg_hdr);
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}
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return (__ssp_real(recvmmsg)(s, hdrvec, vlen, flags, timeout));
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}
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#endif
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__END_DECLS
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#endif /* __SSP_FORTIFY_LEVEL > 0 */
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#endif /* _SSP_SOCKET_H_ */
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