1cd0d51baSKyle Evans /*-
2cd0d51baSKyle Evans * SPDX-License-Identifier: BSD-2-Clause
3cd0d51baSKyle Evans *
4cd0d51baSKyle Evans * Copyright (c) 2019 Kyle Evans <kevans@FreeBSD.org>
5cd0d51baSKyle Evans *
6cd0d51baSKyle Evans * Redistribution and use in source and binary forms, with or without
7cd0d51baSKyle Evans * modification, are permitted provided that the following conditions
8cd0d51baSKyle Evans * are met:
9cd0d51baSKyle Evans * 1. Redistributions of source code must retain the above copyright
10cd0d51baSKyle Evans * notice, this list of conditions and the following disclaimer.
11cd0d51baSKyle Evans * 2. Redistributions in binary form must reproduce the above copyright
12cd0d51baSKyle Evans * notice, this list of conditions and the following disclaimer in the
13cd0d51baSKyle Evans * documentation and/or other materials provided with the distribution.
14cd0d51baSKyle Evans *
15cd0d51baSKyle Evans * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16cd0d51baSKyle Evans * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17cd0d51baSKyle Evans * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18cd0d51baSKyle Evans * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19cd0d51baSKyle Evans * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20cd0d51baSKyle Evans * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21cd0d51baSKyle Evans * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22cd0d51baSKyle Evans * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23cd0d51baSKyle Evans * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24cd0d51baSKyle Evans * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25cd0d51baSKyle Evans * SUCH DAMAGE.
26cd0d51baSKyle Evans */
27cd0d51baSKyle Evans
28cd0d51baSKyle Evans #include <sys/types.h>
29cd0d51baSKyle Evans
30cd0d51baSKyle Evans #include <stdarg.h>
31cd0d51baSKyle Evans #include <stdlib.h>
32cd0d51baSKyle Evans
33cd0d51baSKyle Evans /* Signatures grabbed from LSB Core Specification 4.1 */
34cd0d51baSKyle Evans void *__memcpy_chk(void *dst, const void *src, size_t len,
35cd0d51baSKyle Evans size_t dstlen);
36cd0d51baSKyle Evans void *__memset_chk(void *dst, int c, size_t len, size_t dstlen);
37cd0d51baSKyle Evans int __snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
380e4ea783SKyle Evans const char *fmt, ...);
390e4ea783SKyle Evans int __sprintf_chk(char *str, int flag, size_t strlen, const char *fmt, ...);
40cd0d51baSKyle Evans char *__stpcpy_chk(char *dst, const char *src, size_t dstlen);
41cd0d51baSKyle Evans char *__strcat_chk(char *dst, const char *src, size_t dstlen);
42cd0d51baSKyle Evans char *__strcpy_chk(char *dst, const char *src, size_t dstlen);
43cd0d51baSKyle Evans char *__strncat_chk(char *dst, const char *src, size_t len, size_t dstlen);
44cd0d51baSKyle Evans char *__strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen);
450e4ea783SKyle Evans int __vsnprintf_chk(char *str, size_t size, int flags, size_t len,
460e4ea783SKyle Evans const char *format, va_list ap);
47cd0d51baSKyle Evans int __vsprintf_chk(char *str, int flag, size_t slen, const char *format,
48cd0d51baSKyle Evans va_list ap);
49cd0d51baSKyle Evans
50cd0d51baSKyle Evans #define ABORT() abort2("_FORTIFY_SOURCE not supported", 0, NULL)
51cd0d51baSKyle Evans
52cd0d51baSKyle Evans void *
__memcpy_chk(void * dst,const void * src,size_t len,size_t dstlen)53cd0d51baSKyle Evans __memcpy_chk(void *dst, const void *src, size_t len,
54cd0d51baSKyle Evans size_t dstlen)
55cd0d51baSKyle Evans {
56cd0d51baSKyle Evans
57cd0d51baSKyle Evans ABORT();
58cd0d51baSKyle Evans }
59cd0d51baSKyle Evans
60cd0d51baSKyle Evans void *
__memset_chk(void * dst,int c,size_t len,size_t dstlen)61cd0d51baSKyle Evans __memset_chk(void *dst, int c, size_t len, size_t dstlen)
62cd0d51baSKyle Evans {
63cd0d51baSKyle Evans
64cd0d51baSKyle Evans ABORT();
65cd0d51baSKyle Evans }
66cd0d51baSKyle Evans
67cd0d51baSKyle Evans int
__snprintf_chk(char * str,size_t maxlen,int flag,size_t strlen,const char * fmt,...)68cd0d51baSKyle Evans __snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
690e4ea783SKyle Evans const char *fmt, ...)
70cd0d51baSKyle Evans {
71cd0d51baSKyle Evans
72cd0d51baSKyle Evans ABORT();
73cd0d51baSKyle Evans }
74cd0d51baSKyle Evans
75cd0d51baSKyle Evans int
__sprintf_chk(char * str,int flag,size_t strlen,const char * fmt,...)760e4ea783SKyle Evans __sprintf_chk(char *str, int flag, size_t strlen, const char *fmt, ...)
77cd0d51baSKyle Evans {
78cd0d51baSKyle Evans
79cd0d51baSKyle Evans ABORT();
80cd0d51baSKyle Evans }
81cd0d51baSKyle Evans
82cd0d51baSKyle Evans char *
__stpcpy_chk(char * dst,const char * src,size_t dstlen)83cd0d51baSKyle Evans __stpcpy_chk(char *dst, const char *src, size_t dstlen)
84cd0d51baSKyle Evans {
85cd0d51baSKyle Evans
86cd0d51baSKyle Evans ABORT();
87cd0d51baSKyle Evans }
88cd0d51baSKyle Evans
89cd0d51baSKyle Evans char *
__strcat_chk(char * dst,const char * src,size_t dstlen)90cd0d51baSKyle Evans __strcat_chk(char *dst, const char *src, size_t dstlen)
91cd0d51baSKyle Evans {
92cd0d51baSKyle Evans
93cd0d51baSKyle Evans ABORT();
94cd0d51baSKyle Evans }
95cd0d51baSKyle Evans
96cd0d51baSKyle Evans char *
__strcpy_chk(char * dst,const char * src,size_t dstlen)97cd0d51baSKyle Evans __strcpy_chk(char *dst, const char *src, size_t dstlen)
98cd0d51baSKyle Evans {
99cd0d51baSKyle Evans
100cd0d51baSKyle Evans ABORT();
101cd0d51baSKyle Evans }
102cd0d51baSKyle Evans
103cd0d51baSKyle Evans char *
__strncat_chk(char * dst,const char * src,size_t len,size_t dstlen)104cd0d51baSKyle Evans __strncat_chk(char *dst, const char *src, size_t len, size_t dstlen)
105cd0d51baSKyle Evans {
106cd0d51baSKyle Evans
107cd0d51baSKyle Evans ABORT();
108cd0d51baSKyle Evans }
109cd0d51baSKyle Evans
110cd0d51baSKyle Evans char *
__strncpy_chk(char * dst,const char * src,size_t len,size_t dstlen)111cd0d51baSKyle Evans __strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen)
112cd0d51baSKyle Evans {
113cd0d51baSKyle Evans
114cd0d51baSKyle Evans ABORT();
115cd0d51baSKyle Evans }
116cd0d51baSKyle Evans
117cd0d51baSKyle Evans int
__vsnprintf_chk(char * str,size_t size,int flags,size_t len,const char * format,va_list ap)1180e4ea783SKyle Evans __vsnprintf_chk(char *str, size_t size, int flags, size_t len,
1190e4ea783SKyle Evans const char *format, va_list ap)
120cd0d51baSKyle Evans {
121cd0d51baSKyle Evans
122cd0d51baSKyle Evans ABORT();
123cd0d51baSKyle Evans }
124cd0d51baSKyle Evans
125cd0d51baSKyle Evans int
__vsprintf_chk(char * str,int flag,size_t slen,const char * format,va_list ap)126cd0d51baSKyle Evans __vsprintf_chk(char *str, int flag, size_t slen, const char *format,
127cd0d51baSKyle Evans va_list ap)
128cd0d51baSKyle Evans {
129cd0d51baSKyle Evans
130cd0d51baSKyle Evans ABORT();
131cd0d51baSKyle Evans }
132