1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24
25#include "curl_setup.h"
26
27/***********************************************************************
28 * Only for builds using synchronous name resolves
29 **********************************************************************/
30#ifdef CURLRES_SYNCH
31
32#ifdef HAVE_NETINET_IN_H
33#include <netinet/in.h>
34#endif
35#ifdef HAVE_NETDB_H
36#include <netdb.h>
37#endif
38#ifdef HAVE_ARPA_INET_H
39#include <arpa/inet.h>
40#endif
41#ifdef __VMS
42#include <in.h>
43#include <inet.h>
44#endif
45
46#ifdef HAVE_PROCESS_H
47#include <process.h>
48#endif
49
50#include "urldata.h"
51#include "sendf.h"
52#include "hostip.h"
53#include "hash.h"
54#include "share.h"
55#include "url.h"
56#include "curl_memory.h"
57/* The last #include file should be: */
58#include "memdebug.h"
59
60/*
61 * Function provided by the resolver backend to set DNS servers to use.
62 */
63CURLcode Curl_set_dns_servers(struct Curl_easy *data,
64 char *servers)
65{
66 (void)data;
67 (void)servers;
68 return CURLE_NOT_BUILT_IN;
69
70}
71
72/*
73 * Function provided by the resolver backend to set
74 * outgoing interface to use for DNS requests
75 */
76CURLcode Curl_set_dns_interface(struct Curl_easy *data,
77 const char *interf)
78{
79 (void)data;
80 (void)interf;
81 return CURLE_NOT_BUILT_IN;
82}
83
84/*
85 * Function provided by the resolver backend to set
86 * local IPv4 address to use as source address for DNS requests
87 */
88CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
89 const char *local_ip4)
90{
91 (void)data;
92 (void)local_ip4;
93 return CURLE_NOT_BUILT_IN;
94}
95
96/*
97 * Function provided by the resolver backend to set
98 * local IPv6 address to use as source address for DNS requests
99 */
100CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
101 const char *local_ip6)
102{
103 (void)data;
104 (void)local_ip6;
105 return CURLE_NOT_BUILT_IN;
106}
107
108#endif /* truly sync */
109