xref: /freebsd/contrib/bearssl/src/ssl/ssl_server.c (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1 /*
2  * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3  *
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:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
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
22  * SOFTWARE.
23  */
24 
25 #include "inner.h"
26 
27 /* see bearssl_ssl.h */
28 void
29 br_ssl_server_zero(br_ssl_server_context *cc)
30 {
31 	/*
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.
36 	 */
37 	memset(cc, 0, sizeof *cc);
38 }
39 
40 /* see bearssl_ssl.h */
41 int
42 br_ssl_server_reset(br_ssl_server_context *cc)
43 {
44 	br_ssl_engine_set_buffer(&cc->eng, NULL, 0, 0);
45 	if (!br_ssl_engine_init_rand(&cc->eng)) {
46 		return 0;
47 	}
48 	cc->eng.reneg = 0;
49 	br_ssl_engine_hs_reset(&cc->eng,
50 		br_ssl_hs_server_init_main, br_ssl_hs_server_run);
51 	return br_ssl_engine_last_error(&cc->eng) == BR_ERR_OK;
52 }
53