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