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cd0d51baaa
For libssp.so, rebuild stack_protector.c with FORTIFY_SOURCE stubs that just
abort built into it.
For libssp_nonshared.a, steal stack_protector_compat.c from
^/lib/libc/secure and massage it to maintain that __stack_chk_fail_local
is a hidden symbol.
libssp is now built unconditionally regardless of {WITH,WITHOUT}_SSP in the
build environment, and the gcclibs version has been disconnected from the
build in favor of this one.
PR: 242950 (exp-run)
Reviewed by: kib, emaste, pfg, Oliver Pinter (earlier version)
Also discussed with: kan
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D22943
135 lines
3.4 KiB
C
135 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Kyle Evans <kevans@FreeBSD.org>
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <stdarg.h>
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#include <stdlib.h>
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/* Signatures grabbed from LSB Core Specification 4.1 */
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void *__memcpy_chk(void *dst, const void *src, size_t len,
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size_t dstlen);
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void *__memset_chk(void *dst, int c, size_t len, size_t dstlen);
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int __snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
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const char *fmt);
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int __sprintf_chk(char *str, int flag, size_t strlen, const char *fmt);
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char *__stpcpy_chk(char *dst, const char *src, size_t dstlen);
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char *__strcat_chk(char *dst, const char *src, size_t dstlen);
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char *__strcpy_chk(char *dst, const char *src, size_t dstlen);
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char *__strncat_chk(char *dst, const char *src, size_t len, size_t dstlen);
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char *__strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen);
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int __vsnprintf_chk(char *str, size_t size, const char *format,
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va_list ap);
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int __vsprintf_chk(char *str, int flag, size_t slen, const char *format,
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va_list ap);
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#define ABORT() abort2("_FORTIFY_SOURCE not supported", 0, NULL)
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void *
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__memcpy_chk(void *dst, const void *src, size_t len,
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size_t dstlen)
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{
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ABORT();
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}
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void *
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__memset_chk(void *dst, int c, size_t len, size_t dstlen)
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{
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ABORT();
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}
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int
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__snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
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const char *fmt)
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{
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ABORT();
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}
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int
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__sprintf_chk(char *str, int flag, size_t strlen, const char *fmt)
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{
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ABORT();
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}
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char *
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__stpcpy_chk(char *dst, const char *src, size_t dstlen)
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{
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ABORT();
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}
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char *
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__strcat_chk(char *dst, const char *src, size_t dstlen)
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{
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ABORT();
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}
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char *
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__strcpy_chk(char *dst, const char *src, size_t dstlen)
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{
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ABORT();
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}
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char *
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__strncat_chk(char *dst, const char *src, size_t len, size_t dstlen)
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{
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ABORT();
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}
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char *
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__strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen)
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{
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ABORT();
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}
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int
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__vsnprintf_chk(char *str, size_t size, const char *format,
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va_list ap)
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{
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ABORT();
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}
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int
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__vsprintf_chk(char *str, int flag, size_t slen, const char *format,
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va_list ap)
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{
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ABORT();
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}
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