1 /* $OpenBSD: bufaux.c,v 1.60 2014/04/30 05:29:56 djm Exp $ */
3 * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
22 #include <sys/types.h>
29 buffer_get_short_ret(u_short *v, Buffer *buffer)
33 if ((ret = sshbuf_get_u16(buffer, v)) != 0) {
34 error("%s: %s", __func__, ssh_err(ret));
41 buffer_get_short(Buffer *buffer)
45 if (buffer_get_short_ret(&ret, buffer) == -1)
46 fatal("%s: buffer error", __func__);
52 buffer_get_int_ret(u_int *v, Buffer *buffer)
56 if ((ret = sshbuf_get_u32(buffer, v)) != 0) {
57 error("%s: %s", __func__, ssh_err(ret));
64 buffer_get_int(Buffer *buffer)
68 if (buffer_get_int_ret(&ret, buffer) == -1)
69 fatal("%s: buffer error", __func__);
75 buffer_get_int64_ret(u_int64_t *v, Buffer *buffer)
79 if ((ret = sshbuf_get_u64(buffer, v)) != 0) {
80 error("%s: %s", __func__, ssh_err(ret));
87 buffer_get_int64(Buffer *buffer)
91 if (buffer_get_int64_ret(&ret, buffer) == -1)
92 fatal("%s: buffer error", __func__);
98 buffer_put_short(Buffer *buffer, u_short value)
102 if ((ret = sshbuf_put_u16(buffer, value)) != 0)
103 fatal("%s: %s", __func__, ssh_err(ret));
107 buffer_put_int(Buffer *buffer, u_int value)
111 if ((ret = sshbuf_put_u32(buffer, value)) != 0)
112 fatal("%s: %s", __func__, ssh_err(ret));
116 buffer_put_int64(Buffer *buffer, u_int64_t value)
120 if ((ret = sshbuf_put_u64(buffer, value)) != 0)
121 fatal("%s: %s", __func__, ssh_err(ret));
125 buffer_get_string_ret(Buffer *buffer, u_int *length_ptr)
131 if ((ret = sshbuf_get_string(buffer, &value, &len)) != 0) {
132 error("%s: %s", __func__, ssh_err(ret));
135 if (length_ptr != NULL)
136 *length_ptr = len; /* Safe: sshbuf never stores len > 2^31 */
141 buffer_get_string(Buffer *buffer, u_int *length_ptr)
145 if ((ret = buffer_get_string_ret(buffer, length_ptr)) == NULL)
146 fatal("%s: buffer error", __func__);
151 buffer_get_cstring_ret(Buffer *buffer, u_int *length_ptr)
157 if ((ret = sshbuf_get_cstring(buffer, &value, &len)) != 0) {
158 error("%s: %s", __func__, ssh_err(ret));
161 if (length_ptr != NULL)
162 *length_ptr = len; /* Safe: sshbuf never stores len > 2^31 */
167 buffer_get_cstring(Buffer *buffer, u_int *length_ptr)
171 if ((ret = buffer_get_cstring_ret(buffer, length_ptr)) == NULL)
172 fatal("%s: buffer error", __func__);
177 buffer_get_string_ptr_ret(Buffer *buffer, u_int *length_ptr)
183 if ((ret = sshbuf_get_string_direct(buffer, &value, &len)) != 0) {
184 error("%s: %s", __func__, ssh_err(ret));
187 if (length_ptr != NULL)
188 *length_ptr = len; /* Safe: sshbuf never stores len > 2^31 */
193 buffer_get_string_ptr(Buffer *buffer, u_int *length_ptr)
197 if ((ret = buffer_get_string_ptr_ret(buffer, length_ptr)) == NULL)
198 fatal("%s: buffer error", __func__);
203 buffer_put_string(Buffer *buffer, const void *buf, u_int len)
207 if ((ret = sshbuf_put_string(buffer, buf, len)) != 0)
208 fatal("%s: %s", __func__, ssh_err(ret));
212 buffer_put_cstring(Buffer *buffer, const char *s)
216 if ((ret = sshbuf_put_cstring(buffer, s)) != 0)
217 fatal("%s: %s", __func__, ssh_err(ret));
221 buffer_get_char_ret(char *v, Buffer *buffer)
225 if ((ret = sshbuf_get_u8(buffer, (u_char *)v)) != 0) {
226 error("%s: %s", __func__, ssh_err(ret));
233 buffer_get_char(Buffer *buffer)
237 if (buffer_get_char_ret(&ch, buffer) == -1)
238 fatal("%s: buffer error", __func__);
243 buffer_put_char(Buffer *buffer, int value)
247 if ((ret = sshbuf_put_u8(buffer, value)) != 0)
248 fatal("%s: %s", __func__, ssh_err(ret));
252 buffer_put_bignum2_from_string(Buffer *buffer, const u_char *s, u_int l)
256 if ((ret = sshbuf_put_bignum2_bytes(buffer, s, l)) != 0)
257 fatal("%s: %s", __func__, ssh_err(ret));