freebsd-skq/contrib/tcpdump/cpack.h
glebius 640e6f3b3b Update tcpdump to 4.9.0.
It fixes many buffer overflow in different protocol parsers, but none of
them are critical, even in absense of Capsicum.

Security:	CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925
Security:	CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929
Security:	CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933
Security:	CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937
Security:	CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973
Security:	CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984
Security:	CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993
Security:	CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203
Security:	CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342
Security:	CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485
Security:	CVE-2017-5486
2017-02-01 20:26:42 +00:00

57 lines
2.4 KiB
C

/*-
* Copyright (c) 2003, 2004 David Young. All rights reserved.
*
* 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.
* 3. The name of David Young may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``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 DAVID
* YOUNG 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 _CPACK_H
#define _CPACK_H
struct cpack_state {
const uint8_t *c_buf;
const uint8_t *c_next;
size_t c_len;
};
int cpack_init(struct cpack_state *, const uint8_t *, size_t);
int cpack_uint8(struct cpack_state *, uint8_t *);
int cpack_uint16(struct cpack_state *, uint16_t *);
int cpack_uint32(struct cpack_state *, uint32_t *);
int cpack_uint64(struct cpack_state *, uint64_t *);
const uint8_t *cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment);
const uint8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize);
#define cpack_int8(__s, __p) cpack_uint8((__s), (uint8_t*)(__p))
#define cpack_int16(__s, __p) cpack_uint16((__s), (uint16_t*)(__p))
#define cpack_int32(__s, __p) cpack_uint32((__s), (uint32_t*)(__p))
#define cpack_int64(__s, __p) cpack_uint64((__s), (uint64_t*)(__p))
extern int cpack_advance(struct cpack_state *, const size_t);
#endif /* _CPACK_H */