bufbn.c revision 295367 
1/* $OpenBSD: bufbn.c,v 1.12 2014/04/30 05:29:56 djm Exp $ */
2
3/*
4 * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19/* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
20
21#include "includes.h"
22
23#ifdef WITH_OPENSSL
24
25#include <sys/types.h>
26
27#include "buffer.h"
28#include "log.h"
29#include "ssherr.h"
30
31#ifdef WITH_SSH1
32int
33buffer_put_bignum_ret(Buffer *buffer, const BIGNUM *value)
34{
35	int ret;
36
37	if ((ret = sshbuf_put_bignum1(buffer, value)) != 0) {
38		error("%s: %s", __func__, ssh_err(ret));
39		return -1;
40	}
41	return 0;
42}
43
44void
45buffer_put_bignum(Buffer *buffer, const BIGNUM *value)
46{
47	if (buffer_put_bignum_ret(buffer, value) == -1)
48		fatal("%s: buffer error", __func__);
49}
50
51int
52buffer_get_bignum_ret(Buffer *buffer, BIGNUM *value)
53{
54	int ret;
55
56	if ((ret = sshbuf_get_bignum1(buffer, value)) != 0) {
57		error("%s: %s", __func__, ssh_err(ret));
58		return -1;
59	}
60	return 0;
61}
62
63void
64buffer_get_bignum(Buffer *buffer, BIGNUM *value)
65{
66	if (buffer_get_bignum_ret(buffer, value) == -1)
67		fatal("%s: buffer error", __func__);
68}
69#endif /* WITH_SSH1 */
70
71int
72buffer_put_bignum2_ret(Buffer *buffer, const BIGNUM *value)
73{
74	int ret;
75
76	if ((ret = sshbuf_put_bignum2(buffer, value)) != 0) {
77		error("%s: %s", __func__, ssh_err(ret));
78		return -1;
79	}
80	return 0;
81}
82
83void
84buffer_put_bignum2(Buffer *buffer, const BIGNUM *value)
85{
86	if (buffer_put_bignum2_ret(buffer, value) == -1)
87		fatal("%s: buffer error", __func__);
88}
89
90int
91buffer_get_bignum2_ret(Buffer *buffer, BIGNUM *value)
92{
93	int ret;
94
95	if ((ret = sshbuf_get_bignum2(buffer, value)) != 0) {
96		error("%s: %s", __func__, ssh_err(ret));
97		return -1;
98	}
99	return 0;
100}
101
102void
103buffer_get_bignum2(Buffer *buffer, BIGNUM *value)
104{
105	if (buffer_get_bignum2_ret(buffer, value) == -1)
106		fatal("%s: buffer error", __func__);
107}
108
109#endif /* WITH_OPENSSL */
110