1#ifndef HEADER_CURL_IF2IP_H
2#define HEADER_CURL_IF2IP_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2020, 2022, Daniel Stenberg, <[email protected]>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26#include "curl_setup.h"
27
28/* IPv6 address scopes. */
29#define IPV6_SCOPE_GLOBAL 0 /* Global scope. */
30#define IPV6_SCOPE_LINKLOCAL 1 /* Link-local scope. */
31#define IPV6_SCOPE_SITELOCAL 2 /* Site-local scope (deprecated). */
32#define IPV6_SCOPE_UNIQUELOCAL 3 /* Unique local */
33#define IPV6_SCOPE_NODELOCAL 4 /* Loopback. */
34
35#ifdef ENABLE_IPV6
36unsigned int Curl_ipv6_scope(const struct sockaddr *sa);
37#else
38#define Curl_ipv6_scope(x) 0
39#endif
40
41typedef enum {
42 IF2IP_NOT_FOUND = 0, /* Interface not found */
43 IF2IP_AF_NOT_SUPPORTED = 1, /* Int. exists but has no address for this af */
44 IF2IP_FOUND = 2 /* The address has been stored in "buf" */
45} if2ip_result_t;
46
47if2ip_result_t Curl_if2ip(int af,
48#ifdef ENABLE_IPV6
49 unsigned int remote_scope,
50 unsigned int local_scope_id,
51#endif
52 const char *interf,
53 char *buf, int buf_size);
54
55#ifdef __INTERIX
56
57/* Nedelcho Stanev's work-around for SFU 3.0 */
58struct ifreq {
59#define IFNAMSIZ 16
60#define IFHWADDRLEN 6
61 union {
62 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
63 } ifr_ifrn;
64
65 union {
66 struct sockaddr ifru_addr;
67 struct sockaddr ifru_broadaddr;
68 struct sockaddr ifru_netmask;
69 struct sockaddr ifru_hwaddr;
70 short ifru_flags;
71 int ifru_metric;
72 int ifru_mtu;
73 } ifr_ifru;
74};
75
76/* This define was added by Daniel to avoid an extra #ifdef INTERIX in the
77 C code. */
78
79#define ifr_name ifr_ifrn.ifrn_name /* interface name */
80#define ifr_addr ifr_ifru.ifru_addr /* address */
81#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
82#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
83#define ifr_flags ifr_ifru.ifru_flags /* flags */
84#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
85#define ifr_metric ifr_ifru.ifru_metric /* metric */
86#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
87
88#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
89
90#endif /* __INTERIX */
91
92#endif /* HEADER_CURL_IF2IP_H */
93