90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
#ifndef HEADER_CURL_HTTPSRR_H
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#define HEADER_CURL_HTTPSRR_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef USE_ARES
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#include <ares.h>
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#endif
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#ifdef USE_HTTPSRR
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#define CURL_MAXLEN_host_name 253
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#define MAX_HTTPSRR_ALPNS 4
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struct Curl_easy;
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struct Curl_https_rrinfo {
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/*
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* Fields from HTTPS RR. The only mandatory fields are priority and target.
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* See https://datatracker.ietf.org/doc/html/rfc9460#section-14.3.2
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*/
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char *target;
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unsigned char *ipv4hints; /* keytag = 4 */
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size_t ipv4hints_len;
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unsigned char *echconfiglist; /* keytag = 5 */
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size_t echconfiglist_len;
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unsigned char *ipv6hints; /* keytag = 6 */
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size_t ipv6hints_len;
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unsigned char alpns[MAX_HTTPSRR_ALPNS]; /* keytag = 1 */
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/* store parsed alpnid entries in the array, end with ALPN_none */
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int port; /* -1 means not set */
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uint16_t priority;
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bool no_def_alpn; /* keytag = 2 */
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};
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CURLcode Curl_httpsrr_set(struct Curl_easy *data,
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struct Curl_https_rrinfo *hi,
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uint16_t rrkey, const uint8_t *val, size_t vlen);
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struct Curl_https_rrinfo *
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Curl_httpsrr_dup_move(struct Curl_https_rrinfo *rrinfo);
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void Curl_httpsrr_cleanup(struct Curl_https_rrinfo *rrinfo);
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/*
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* Code points for DNS wire format SvcParams as per RFC 9460
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*/
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#define HTTPS_RR_CODE_ALPN 0x01
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#define HTTPS_RR_CODE_NO_DEF_ALPN 0x02
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#define HTTPS_RR_CODE_PORT 0x03
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#define HTTPS_RR_CODE_IPV4 0x04
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#define HTTPS_RR_CODE_ECH 0x05
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#define HTTPS_RR_CODE_IPV6 0x06
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CURLcode Curl_httpsrr_decode_alpn(const unsigned char *cp, size_t len,
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unsigned char *alpns);
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#if defined(USE_ARES)
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void Curl_dnsrec_done_cb(void *arg, ares_status_t status,
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size_t timeouts,
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const ares_dns_record_t *dnsrec);
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#endif /* USE_ARES */
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#endif /* USE_HTTPSRR */
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#endif /* HEADER_CURL_HTTPSRR_H */
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