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06d8f16b87
Most headerfiles end with a /* <headerguard> */ comment, but it was missing from some. The comment isn't the most important part of our code documentation but consistency has an intrinsic value in itself. This adds header guard comments to the files that were lacking it. Closes #3158 Reviewed-by: Jay Satiro <raysatiro@yahoo.com> Reviewed-by: Daniel Stenberg <daniel@haxx.se>
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
#ifndef HEADER_CURL_DOH_H
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#define HEADER_CURL_DOH_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) 2018, 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.haxx.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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***************************************************************************/
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#include "urldata.h"
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#include "curl_addrinfo.h"
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/*
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* Curl_doh() resolve a name using DoH (DNS-over-HTTPS). It resolves a name
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* and returns a 'Curl_addrinfo *' with the address information.
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*/
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Curl_addrinfo *Curl_doh(struct connectdata *conn,
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const char *hostname,
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int port,
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int *waitp);
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CURLcode Curl_doh_is_resolved(struct connectdata *conn,
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struct Curl_dns_entry **dns);
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int Curl_doh_getsock(struct connectdata *conn, curl_socket_t *socks,
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int numsocks);
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typedef enum {
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DOH_OK,
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DOH_DNS_BAD_LABEL, /* 1 */
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DOH_DNS_OUT_OF_RANGE, /* 2 */
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DOH_DNS_LABEL_LOOP, /* 3 */
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DOH_TOO_SMALL_BUFFER, /* 4 */
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DOH_OUT_OF_MEM, /* 5 */
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DOH_DNS_RDATA_LEN, /* 6 */
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DOH_DNS_MALFORMAT, /* 7 */
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DOH_DNS_BAD_RCODE, /* 8 - no such name */
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DOH_DNS_UNEXPECTED_TYPE, /* 9 */
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DOH_DNS_UNEXPECTED_CLASS, /* 10 */
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DOH_NO_CONTENT, /* 11 */
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DOH_DNS_BAD_ID /* 12 */
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} DOHcode;
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typedef enum {
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DNS_TYPE_A = 1,
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DNS_TYPE_NS = 2,
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DNS_TYPE_CNAME = 5,
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DNS_TYPE_AAAA = 28
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} DNStype;
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#define DOH_MAX_ADDR 24
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#define DOH_MAX_CNAME 4
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struct cnamestore {
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size_t len; /* length of cname */
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char *alloc; /* allocated pointer */
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size_t allocsize; /* allocated size */
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};
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struct dohaddr {
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int type;
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union {
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unsigned char v4[4]; /* network byte order */
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unsigned char v6[16];
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} ip;
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};
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struct dohentry {
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unsigned int ttl;
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int numaddr;
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struct dohaddr addr[DOH_MAX_ADDR];
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int numcname;
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struct cnamestore cname[DOH_MAX_CNAME];
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};
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#ifdef DEBUGBUILD
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DOHcode doh_encode(const char *host,
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DNStype dnstype,
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unsigned char *dnsp, /* buffer */
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size_t len, /* buffer size */
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size_t *olen); /* output length */
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DOHcode doh_decode(unsigned char *doh,
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size_t dohlen,
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DNStype dnstype,
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struct dohentry *d);
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void de_cleanup(struct dohentry *d);
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#endif
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#endif /* HEADER_CURL_DOH_H */
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