1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, 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#ifdef HAVE_NETINET_IN_H
26#include <netinet/in.h>
27#endif
28#ifdef HAVE_NETDB_H
29#include <netdb.h>
30#endif
31#ifdef HAVE_ARPA_INET_H
32#include <arpa/inet.h>
33#endif
34#ifdef __VMS
35#include <in.h>
36#include <inet.h>
37#endif
38
39#ifdef HAVE_PROCESS_H
40#include <process.h>
41#endif
42
43#include "urldata.h"
44#include "sendf.h"
45#include "hostip.h"
46#include "hash.h"
47#include "share.h"
48#include "strerror.h"
49#include "url.h"
50#include "curl_memory.h"
51/* The last #include file should be: */
52#include "memdebug.h"
53
54/***********************************************************************
55 * Only for builds using synchronous name resolves
56 **********************************************************************/
57#ifdef CURLRES_SYNCH
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