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https://github.com/freebsd/freebsd-src.git
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Kyle Evans
910f78a514
The getgroups test is a NetBSD tests, so just apply our larger hammer and disable the feature entirely. The audit test can take a more surgical approach and use __ssp_real() appropriately, since it's a local one. PR: 294881 Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D56735
143 lines
4.7 KiB
C
143 lines
4.7 KiB
C
/* $NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $ */
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/*-
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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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_STDIO_H_
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#define _SSP_STDIO_H_
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#include <ssp/ssp.h>
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#if __SSP_FORTIFY_LEVEL > 0 && __EXT1_VISIBLE
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#include <sys/stdint.h>
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#endif
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__BEGIN_DECLS
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#if __SSP_FORTIFY_LEVEL > 0
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#if __POSIX_VISIBLE
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__ssp_redirect_raw(char *, ctermid, ctermid, (char *__buf), (__buf),
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__buf != NULL, __ssp_bos, L_ctermid);
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#if __BSD_VISIBLE
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__ssp_redirect_raw(char *, ctermid_r, ctermid_r, (char *__buf), (__buf),
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__buf != NULL, __ssp_bos, L_ctermid);
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#endif /* __BSD_VISIBLE */
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#endif /* __POSIX_VISIBLE */
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__ssp_redirect(size_t, fread, (void *__restrict __buf, size_t __len,
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size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp));
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__ssp_redirect(size_t, fread_unlocked, (void *__restrict __buf, size_t __len,
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size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp));
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#if __EXT1_VISIBLE
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__ssp_redirect_raw_impl(char *, gets_s, gets_s,
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(char *buf, rsize_t len))
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{
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char *retbuf;
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size_t bufsz;
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int need_fail = 0;
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/*
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* If we would have overwritten our buffer, we want to fail the check
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* only if these arguments wouldn't have triggered a constraint
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* violation.
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*/
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bufsz = __ssp_bos(buf);
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if (bufsz != (size_t)-1 && (size_t)len > bufsz) {
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if (len <= RSIZE_MAX)
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__chk_fail();
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need_fail = 1;
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}
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retbuf = __ssp_real(gets_s)(buf, len);
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/*
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* If the implementation did *not* handle the case correctly, then
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* there's a risk that they could have corrupted us into not failing
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* here. We have tests that cover this, so we'll just count on finding
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* a broken implementation early on in a less hostile environmnt.
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*/
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if (need_fail && retbuf != NULL)
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__chk_fail();
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return (retbuf);
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}
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#endif /* __EXT1_VISIBLE */
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__ssp_redirect_raw(char *, tmpnam, tmpnam, (char *__buf), (__buf), 1,
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__ssp_bos, L_tmpnam);
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#endif
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int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
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__printflike(4, 5);
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int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
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__va_list)
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__printflike(4, 0);
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int __snprintf_chk(char *__restrict, size_t, int, size_t,
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const char *__restrict, ...)
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__printflike(5, 6);
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int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
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const char *__restrict, __va_list)
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__printflike(5, 0);
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char *__fgets_chk(char *, int, size_t, FILE *);
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__END_DECLS
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#if __SSP_FORTIFY_LEVEL > 0
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#define sprintf(str, ...) __extension__ ({ \
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char *_ssp_str = (str); \
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__builtin___sprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), \
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__VA_ARGS__); \
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})
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#define vsprintf(str, fmt, ap) __extension__ ({ \
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char *_ssp_str = (str); \
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__builtin___vsprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), fmt, \
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ap); \
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})
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#define snprintf(str, len, ...) __extension__ ({ \
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char *_ssp_str = (str); \
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__builtin___snprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \
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__VA_ARGS__); \
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})
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#define vsnprintf(str, len, fmt, ap) __extension__ ({ \
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char *_ssp_str = (str); \
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__builtin___vsnprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \
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fmt, ap); \
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})
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#define fgets(str, len, fp) __extension__ ({ \
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char *_ssp_str = (str); \
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__fgets_chk(_ssp_str, len, __ssp_bos(_ssp_str), fp); \
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})
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#endif /* __SSP_FORTIFY_LEVEL > 0 */
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#endif /* _SSP_STDIO_H_ */
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