1 /*
2 * libwebsockets - small server side websockets and web server implementation
3 *
4 * Copyright (C) 2010 - 2021 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "private-lib-core.h"
26
27 void
lws_tls_session_tag_discrete(const char * vhname,const char * host,uint16_t port,char * buf,size_t len)28 lws_tls_session_tag_discrete(const char *vhname, const char *host,
29 uint16_t port, char *buf, size_t len)
30 {
31 /*
32 * We have to include the vhost name in the session tag, since
33 * different vhosts may make connections to the same endpoint using
34 * different client certs.
35 */
36
37 lws_snprintf(buf, len, "%s_%s_%u", vhname, host, port);
38 }
39
40 int
lws_tls_session_tag_from_wsi(struct lws * wsi,char * buf,size_t len)41 lws_tls_session_tag_from_wsi(struct lws *wsi, char *buf, size_t len)
42 {
43 const char *host;
44
45 if (!wsi)
46 return 1;
47
48 if (!wsi->stash)
49 return 1;
50
51 host = wsi->stash->cis[CIS_HOST];
52 if (!host)
53 host = wsi->stash->cis[CIS_ADDRESS];
54
55 if (!host)
56 return 1;
57
58 lws_tls_session_tag_discrete(wsi->a.vhost->name, host, wsi->c_port,
59 buf, len);
60
61 return 0;
62 }
63
64
65