1#ifndef HEADER_CURL_ALTSVC_H
2#define HEADER_CURL_ALTSVC_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.haxx.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24#include "curl_setup.h"
25
26#if !defined(CURL_DISABLE_HTTP) && defined(USE_ALTSVC)
27#include <curl/curl.h>
28#include "llist.h"
29
30enum alpnid {
31 ALPN_none = 0,
32 ALPN_h1 = CURLALTSVC_H1,
33 ALPN_h2 = CURLALTSVC_H2,
34 ALPN_h3 = CURLALTSVC_H3
35};
36
37struct althost {
38 char *host;
39 unsigned short port;
40 enum alpnid alpnid;
41};
42
43struct altsvc {
44 struct althost src;
45 struct althost dst;
46 time_t expires;
47 bool persist;
48 int prio;
49 struct curl_llist_element node;
50};
51
52struct altsvcinfo {
53 char *filename;
54 struct curl_llist list; /* list of entries */
55 size_t num; /* number of alt-svc entries */
56 long flags; /* the publicly set bitmask */
57};
58
59const char *Curl_alpnid2str(enum alpnid id);
60struct altsvcinfo *Curl_altsvc_init(void);
61CURLcode Curl_altsvc_load(struct altsvcinfo *asi, const char *file);
62CURLcode Curl_altsvc_save(struct altsvcinfo *asi, const char *file);
63CURLcode Curl_altsvc_ctrl(struct altsvcinfo *asi, const long ctrl);
64void Curl_altsvc_cleanup(struct altsvcinfo *altsvc);
65CURLcode Curl_altsvc_parse(struct Curl_easy *data,
66 struct altsvcinfo *altsvc, const char *value,
67 enum alpnid srcalpn, const char *srchost,
68 unsigned short srcport);
69bool Curl_altsvc_lookup(struct altsvcinfo *asi,
70 enum alpnid srcalpnid, const char *srchost,
71 int srcport,
72 struct altsvc **dstentry,
73 int versions); /* one or more CURLALTSVC_H* bits */
74#else
75/* disabled */
76#define Curl_altsvc_save(a,b)
77#endif /* CURL_DISABLE_HTTP || USE_ALTSVC */
78#endif /* HEADER_CURL_ALTSVC_H */
79