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 30 enum alpnid { 31 ALPN_none, 32 ALPN_h1, 33 ALPN_h2, 34 ALPN_h2c, 35 ALPN_h3 36 }; 37 38 struct altsvc { 39 char *srchost; 40 char *dsthost; 41 unsigned short srcport; 42 unsigned short dstport; 43 enum alpnid srcalpnid; 44 enum alpnid dstalpnid; 45 time_t expires; 46 bool persist; 47 int prio; 48 struct curl_llist_element node; 49 }; 50 51 struct altsvcinfo { 52 char *filename; 53 struct curl_llist list; /* list of entries */ 54 size_t num; /* number of alt-svc entries */ 55 long flags; /* the publicly set bitmask */ 56 }; 57 58 const char *Curl_alpnid2str(enum alpnid id); 59 struct altsvcinfo *Curl_altsvc_init(void); 60 CURLcode Curl_altsvc_load(struct altsvcinfo *asi, const char *file); 61 CURLcode Curl_altsvc_save(struct altsvcinfo *asi, const char *file); 62 CURLcode Curl_altsvc_ctrl(struct altsvcinfo *asi, const long ctrl); 63 void Curl_altsvc_cleanup(struct altsvcinfo *altsvc); 64 CURLcode Curl_altsvc_parse(struct Curl_easy *data, 65 struct altsvcinfo *altsvc, const char *value, 66 enum alpnid srcalpn, const char *srchost, 67 unsigned short srcport); 68 bool Curl_altsvc_lookup(struct altsvcinfo *asi, 69 enum alpnid srcalpnid, const char *srchost, 70 int srcport, 71 enum alpnid *dstalpnid, const char **dsthost, 72 int *dstport); 73 #else 74 /* disabled */ 75 #define Curl_altsvc_save(a,b) 76 #endif /* CURL_DISABLE_HTTP || USE_ALTSVC */ 77 #endif /* HEADER_CURL_ALTSVC_H */ 78