1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, 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.haxx.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 ***************************************************************************/
22
23#include "curl_setup.h"
24
25/***********************************************************************
26 * Only for builds using synchronous name resolves
27 **********************************************************************/
28#ifdef CURLRES_SYNCH
29
30#ifdef HAVE_NETINET_IN_H
31#include <netinet/in.h>
32#endif
33#ifdef HAVE_NETDB_H
34#include <netdb.h>
35#endif
36#ifdef HAVE_ARPA_INET_H
37#include <arpa/inet.h>
38#endif
39#ifdef __VMS
40#include <in.h>
41#include <inet.h>
42#endif
43
44#ifdef HAVE_PROCESS_H
45#include <process.h>
46#endif
47
48#include "urldata.h"
49#include "sendf.h"
50#include "hostip.h"
51#include "hash.h"
52#include "share.h"
53#include "strerror.h"
54#include "url.h"
55#include "curl_memory.h"
56/* The last #include file should be: */
57#include "memdebug.h"
58
59/*
60 * Function provided by the resolver backend to set DNS servers to use.
61 */
62CURLcode Curl_set_dns_servers(struct Curl_easy *data,
63 char *servers)
64{
65 (void)data;
66 (void)servers;
67 return CURLE_NOT_BUILT_IN;
68
69}
70
71/*
72 * Function provided by the resolver backend to set
73 * outgoing interface to use for DNS requests
74 */
75CURLcode Curl_set_dns_interface(struct Curl_easy *data,
76 const char *interf)
77{
78 (void)data;
79 (void)interf;
80 return CURLE_NOT_BUILT_IN;
81}
82
83/*
84 * Function provided by the resolver backend to set
85 * local IPv4 address to use as source address for DNS requests
86 */
87CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
88 const char *local_ip4)
89{
90 (void)data;
91 (void)local_ip4;
92 return CURLE_NOT_BUILT_IN;
93}
94
95/*
96 * Function provided by the resolver backend to set
97 * local IPv6 address to use as source address for DNS requests
98 */
99CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
100 const char *local_ip6)
101{
102 (void)data;
103 (void)local_ip6;
104 return CURLE_NOT_BUILT_IN;
105}
106
107#endif /* truly sync */
108