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
32 int
buffer_put_bignum_ret(Buffer * buffer,const BIGNUM * value)33 buffer_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
44 void
buffer_put_bignum(Buffer * buffer,const BIGNUM * value)45 buffer_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
51 int
buffer_get_bignum_ret(Buffer * buffer,BIGNUM * value)52 buffer_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
63 void
buffer_get_bignum(Buffer * buffer,BIGNUM * value)64 buffer_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
71 int
buffer_put_bignum2_ret(Buffer * buffer,const BIGNUM * value)72 buffer_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
83 void
buffer_put_bignum2(Buffer * buffer,const BIGNUM * value)84 buffer_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
90 int
buffer_get_bignum2_ret(Buffer * buffer,BIGNUM * value)91 buffer_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
102 void
buffer_get_bignum2(Buffer * buffer,BIGNUM * value)103 buffer_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