1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586 |
- /* Copyright (c) 2003-2004, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2018, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #ifndef TOR_IPV6_H
- #define TOR_IPV6_H
- #include "orconfig.h"
- #include <stddef.h>
- #ifdef HAVE_NETINET_IN6_H
- #include <netinet/in6.h>
- #endif
- #ifdef _WIN32
- #include <winsock2.h>
- #include <ws2tcpip.h>
- #include <windows.h>
- #endif
- #include "lib/cc/torint.h"
- /** Implementation of struct in6_addr for platforms that do not have it.
- * Generally, these platforms are ones without IPv6 support, but we want to
- * have a working in6_addr there anyway, so we can use it to parse IPv6
- * addresses. */
- #if !defined(HAVE_STRUCT_IN6_ADDR)
- struct in6_addr
- {
- union {
- uint8_t u6_addr8[16];
- uint16_t u6_addr16[8];
- uint32_t u6_addr32[4];
- } in6_u;
- #define s6_addr in6_u.u6_addr8
- #define s6_addr16 in6_u.u6_addr16
- #define s6_addr32 in6_u.u6_addr32
- };
- #endif /* !defined(HAVE_STRUCT_IN6_ADDR) */
- /** @{ */
- /** Many BSD variants seem not to define these. */
- #if defined(__APPLE__) || defined(__darwin__) || \
- defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
- #ifndef s6_addr16
- #define s6_addr16 __u6_addr.__u6_addr16
- #endif
- #ifndef s6_addr32
- #define s6_addr32 __u6_addr.__u6_addr32
- #endif
- #endif /* defined(__APPLE__) || defined(__darwin__) || ... */
- /** @} */
- #ifndef HAVE_SA_FAMILY_T
- typedef uint16_t sa_family_t;
- #endif
- /** @{ */
- /** Apparently, MS and Solaris don't define s6_addr16 or s6_addr32; these
- * macros get you a pointer to s6_addr32 or local equivalent. */
- #ifdef HAVE_STRUCT_IN6_ADDR_S6_ADDR32
- #define S6_ADDR32(x) ((uint32_t*)(x).s6_addr32)
- #else
- #define S6_ADDR32(x) ((uint32_t*)((char*)&(x).s6_addr))
- #endif
- #ifdef HAVE_STRUCT_IN6_ADDR_S6_ADDR16
- #define S6_ADDR16(x) ((uint16_t*)(x).s6_addr16)
- #else
- #define S6_ADDR16(x) ((uint16_t*)((char*)&(x).s6_addr))
- #endif
- /** @} */
- /** Implementation of struct sockaddr_in6 on platforms that do not have
- * it. See notes on struct in6_addr. */
- #if !defined(HAVE_STRUCT_SOCKADDR_IN6)
- struct sockaddr_in6 {
- sa_family_t sin6_family;
- uint16_t sin6_port;
- // uint32_t sin6_flowinfo;
- struct in6_addr sin6_addr;
- // uint32_t sin6_scope_id;
- };
- #endif /* !defined(HAVE_STRUCT_SOCKADDR_IN6) */
- const char *tor_inet_ntop(int af, const void *src, char *dst, size_t len);
- int tor_inet_pton(int af, const char *src, void *dst);
- #endif
|