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if2ip.h 3.1 KB

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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) 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. /* IPv6 address scopes. */
  28. #define IPV6_SCOPE_GLOBAL 0 /* Global scope. */
  29. #define IPV6_SCOPE_LINKLOCAL 1 /* Link-local scope. */
  30. #define IPV6_SCOPE_SITELOCAL 2 /* Site-local scope (deprecated). */
  31. #define IPV6_SCOPE_UNIQUELOCAL 3 /* Unique local */
  32. #define IPV6_SCOPE_NODELOCAL 4 /* Loopback. */
  33. #ifdef USE_IPV6
  34. unsigned int Curl_ipv6_scope(const struct sockaddr *sa);
  35. #else
  36. #define Curl_ipv6_scope(x) 0
  37. #endif
  38. typedef enum {
  39. IF2IP_NOT_FOUND = 0, /* Interface not found */
  40. IF2IP_AF_NOT_SUPPORTED = 1, /* Int. exists but has no address for this af */
  41. IF2IP_FOUND = 2 /* The address has been stored in "buf" */
  42. } if2ip_result_t;
  43. if2ip_result_t Curl_if2ip(int af,
  44. #ifdef USE_IPV6
  45. unsigned int remote_scope,
  46. unsigned int local_scope_id,
  47. #endif
  48. const char *interf,
  49. char *buf, size_t buf_size);
  50. #ifdef __INTERIX
  51. /* Nedelcho Stanev's work-around for SFU 3.0 */
  52. struct ifreq {
  53. #define IFNAMSIZ 16
  54. #define IFHWADDRLEN 6
  55. union {
  56. char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
  57. } ifr_ifrn;
  58. union {
  59. struct sockaddr ifru_addr;
  60. struct sockaddr ifru_broadaddr;
  61. struct sockaddr ifru_netmask;
  62. struct sockaddr ifru_hwaddr;
  63. short ifru_flags;
  64. int ifru_metric;
  65. int ifru_mtu;
  66. } ifr_ifru;
  67. };
  68. /* This define was added by Daniel to avoid an extra #ifdef INTERIX in the
  69. C code. */
  70. #define ifr_name ifr_ifrn.ifrn_name /* interface name */
  71. #define ifr_addr ifr_ifru.ifru_addr /* address */
  72. #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
  73. #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
  74. #define ifr_flags ifr_ifru.ifru_flags /* flags */
  75. #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
  76. #define ifr_metric ifr_ifru.ifru_metric /* metric */
  77. #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
  78. #define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
  79. #endif /* __INTERIX */
  80. #endif /* HEADER_CURL_IF2IP_H */