2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 /* see bearssl_ssl.h */
29 br_ssl_client_zero(br_ssl_client_context
*cc
)
32 * For really standard C, we should explicitly set to NULL all
33 * pointers, and 0 all other fields. However, on all our target
34 * architectures, a direct memset() will work, be faster, and
35 * use a lot less code.
37 memset(cc
, 0, sizeof *cc
);
40 /* see bearssl_ssl.h */
42 br_ssl_client_reset(br_ssl_client_context
*cc
,
43 const char *server_name
, int resume_session
)
47 br_ssl_engine_set_buffer(&cc
->eng
, NULL
, 0, 0);
48 cc
->eng
.version_out
= cc
->eng
.version_min
;
49 if (!resume_session
) {
50 br_ssl_client_forget_session(cc
);
52 if (!br_ssl_engine_init_rand(&cc
->eng
)) {
57 * We always set back the "reneg" flag to 0 because we use it
58 * to distinguish between first handshake and renegotiation.
59 * Note that "renegotiation" and "session resumption" are two
64 if (server_name
== NULL
) {
65 cc
->eng
.server_name
[0] = 0;
67 n
= strlen(server_name
) + 1;
68 if (n
> sizeof cc
->eng
.server_name
) {
69 br_ssl_engine_fail(&cc
->eng
, BR_ERR_BAD_PARAM
);
72 memcpy(cc
->eng
.server_name
, server_name
, n
);
75 br_ssl_engine_hs_reset(&cc
->eng
,
76 br_ssl_hs_client_init_main
, br_ssl_hs_client_run
);
77 return br_ssl_engine_last_error(&cc
->eng
) == BR_ERR_OK
;