if2ip.h (3158B)
1 #ifndef HEADER_CURL_IF2IP_H 2 #define HEADER_CURL_IF2IP_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, 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 USE_IPV6 36 unsigned int Curl_ipv6_scope(const struct sockaddr *sa); 37 #else 38 #define Curl_ipv6_scope(x) 0 39 #endif 40 41 typedef 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 47 if2ip_result_t Curl_if2ip(int af, 48 #ifdef USE_IPV6 49 unsigned int remote_scope, 50 unsigned int local_scope_id, 51 #endif 52 const char *interf, 53 char *buf, size_t buf_size); 54 55 #ifdef __INTERIX 56 57 /* Nedelcho Stanev's work-around for SFU 3.0 */ 58 struct 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 */