xref: /curl/lib/hostsyn.c (revision 2bc1d775)
1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 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.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 #include "urldata.h"
47 #include "sendf.h"
48 #include "hostip.h"
49 #include "hash.h"
50 #include "share.h"
51 #include "url.h"
52 #include "curl_memory.h"
53 /* The last #include file should be: */
54 #include "memdebug.h"
55 
56 /*
57  * Function provided by the resolver backend to set DNS servers to use.
58  */
Curl_set_dns_servers(struct Curl_easy * data,char * servers)59 CURLcode Curl_set_dns_servers(struct Curl_easy *data,
60                               char *servers)
61 {
62   (void)data;
63   (void)servers;
64   return CURLE_NOT_BUILT_IN;
65 
66 }
67 
68 /*
69  * Function provided by the resolver backend to set
70  * outgoing interface to use for DNS requests
71  */
Curl_set_dns_interface(struct Curl_easy * data,const char * interf)72 CURLcode Curl_set_dns_interface(struct Curl_easy *data,
73                                 const char *interf)
74 {
75   (void)data;
76   (void)interf;
77   return CURLE_NOT_BUILT_IN;
78 }
79 
80 /*
81  * Function provided by the resolver backend to set
82  * local IPv4 address to use as source address for DNS requests
83  */
Curl_set_dns_local_ip4(struct Curl_easy * data,const char * local_ip4)84 CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
85                                 const char *local_ip4)
86 {
87   (void)data;
88   (void)local_ip4;
89   return CURLE_NOT_BUILT_IN;
90 }
91 
92 /*
93  * Function provided by the resolver backend to set
94  * local IPv6 address to use as source address for DNS requests
95  */
Curl_set_dns_local_ip6(struct Curl_easy * data,const char * local_ip6)96 CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data,
97                                 const char *local_ip6)
98 {
99   (void)data;
100   (void)local_ip6;
101   return CURLE_NOT_BUILT_IN;
102 }
103 
104 #endif /* truly sync */
105