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      1 #ifndef HEADER_CURL_IF2IP_H
      2 #define HEADER_CURL_IF2IP_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) 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.haxx.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  ***************************************************************************/
     24 #include "curl_setup.h"
     25 
     26 /* IPv6 address scopes. */
     27 #define IPV6_SCOPE_GLOBAL       0       /* Global scope. */
     28 #define IPV6_SCOPE_LINKLOCAL    1       /* Link-local scope. */
     29 #define IPV6_SCOPE_SITELOCAL    2       /* Site-local scope (deprecated). */
     30 #define IPV6_SCOPE_UNIQUELOCAL  3       /* Unique local */
     31 #define IPV6_SCOPE_NODELOCAL    4       /* Loopback. */
     32 
     33 unsigned int Curl_ipv6_scope(const struct sockaddr *sa);
     34 
     35 bool Curl_if_is_interface_name(const char *interf);
     36 
     37 typedef enum {
     38   IF2IP_NOT_FOUND = 0, /* Interface not found */
     39   IF2IP_AF_NOT_SUPPORTED = 1, /* Int. exists but has no address for this af */
     40   IF2IP_FOUND = 2 /* The address has been stored in "buf" */
     41 } if2ip_result_t;
     42 
     43 if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
     44                           unsigned int remote_scope_id, const char *interf,
     45                           char *buf, int buf_size);
     46 
     47 #ifdef __INTERIX
     48 
     49 /* Nedelcho Stanev's work-around for SFU 3.0 */
     50 struct ifreq {
     51 #define IFNAMSIZ 16
     52 #define IFHWADDRLEN 6
     53   union {
     54     char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
     55   } ifr_ifrn;
     56 
     57  union {
     58    struct sockaddr ifru_addr;
     59    struct sockaddr ifru_broadaddr;
     60    struct sockaddr ifru_netmask;
     61    struct sockaddr ifru_hwaddr;
     62    short ifru_flags;
     63    int ifru_metric;
     64    int ifru_mtu;
     65  } ifr_ifru;
     66 };
     67 
     68 /* This define was added by Daniel to avoid an extra #ifdef INTERIX in the
     69    C code. */
     70 
     71 #define ifr_name ifr_ifrn.ifrn_name /* interface name */
     72 #define ifr_addr ifr_ifru.ifru_addr /* address */
     73 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
     74 #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
     75 #define ifr_flags ifr_ifru.ifru_flags /* flags */
     76 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
     77 #define ifr_metric ifr_ifru.ifru_metric /* metric */
     78 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
     79 
     80 #define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
     81 
     82 #endif /* __INTERIX */
     83 
     84 #endif /* HEADER_CURL_IF2IP_H */
     85