boost/asio/detail/old_win_sdk_compat.hpp

   1 //
   2 // old_win_sdk_compat.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
  12 #define BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/push_options.hpp>
  19
  20 #include <boost/asio/detail/push_options.hpp>
  21 #include <boost/config.hpp>
  22 #include <boost/asio/detail/pop_options.hpp>
  23
  24 #if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
  25
  26 // Guess whether we are building against on old Platform SDK.
  27 #if !defined(IN6ADDR_ANY_INIT)
  28 #define BOOST_ASIO_HAS_OLD_WIN_SDK 1
  29 #endif // !defined(IN6ADDR_ANY_INIT)
  30
  31 #if defined(BOOST_ASIO_HAS_OLD_WIN_SDK)
  32
  33 // Emulation of types that are missing from old Platform SDKs.
  34 //
  35 // N.B. this emulation is also used if building for a Windows 2000 target with
  36 // a recent (i.e. Vista or later) SDK, as the SDK does not provide IPv6 support
  37 // in that case.
  38
  39 namespace boost {
  40 namespace asio {
  41 namespace detail {
  42
  43 enum
  44 {
  45   sockaddr_storage_maxsize = 128, // Maximum size.
  46   sockaddr_storage_alignsize = (sizeof(__int64)), // Desired alignment.
  47   sockaddr_storage_pad1size = (sockaddr_storage_alignsize - sizeof(short)),
  48   sockaddr_storage_pad2size = (sockaddr_storage_maxsize -
  49       (sizeof(short) + sockaddr_storage_pad1size + sockaddr_storage_alignsize))
  50 };
  51
  52 struct sockaddr_storage_emulation
  53 {
  54   short ss_family;
  55   char __ss_pad1[sockaddr_storage_pad1size];
  56   __int64 __ss_align;
  57   char __ss_pad2[sockaddr_storage_pad2size];
  58 };
  59
  60 struct in6_addr_emulation
  61 {
  62   union
  63   {
  64     u_char Byte[16];
  65     u_short Word[8];
  66   } u;
  67 };
  68
  69 #if !defined(s6_addr)
  70 # define _S6_un u
  71 # define _S6_u8 Byte
  72 # define s6_addr _S6_un._S6_u8
  73 #endif // !defined(s6_addr)
  74
  75 struct sockaddr_in6_emulation
  76 {
  77   short sin6_family;
  78   u_short sin6_port;
  79   u_long sin6_flowinfo;
  80   in6_addr_emulation sin6_addr;
  81   u_long sin6_scope_id;
  82 };
  83
  84 struct ipv6_mreq_emulation
  85 {
  86   in6_addr_emulation ipv6mr_multiaddr;
  87   unsigned int ipv6mr_interface;
  88 };
  89
  90 #if !defined(IN6ADDR_ANY_INIT)
  91 # define IN6ADDR_ANY_INIT { 0 }
  92 #endif
  93
  94 #if !defined(IN6ADDR_LOOPBACK_INIT)
  95 # define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
  96 #endif
  97
  98 struct addrinfo_emulation
  99 {
 100   int ai_flags;
 101   int ai_family;
 102   int ai_socktype;
 103   int ai_protocol;
 104   size_t ai_addrlen;
 105   char* ai_canonname;
 106   sockaddr* ai_addr;
 107   addrinfo_emulation* ai_next;
 108 };
 109
 110 #if !defined(AI_PASSIVE)
 111 # define AI_PASSIVE 0x1
 112 #endif
 113
 114 #if !defined(AI_CANONNAME)
 115 # define AI_CANONNAME 0x2
 116 #endif
 117
 118 #if !defined(AI_NUMERICHOST)
 119 # define AI_NUMERICHOST 0x4
 120 #endif
 121
 122 #if !defined(EAI_AGAIN)
 123 # define EAI_AGAIN WSATRY_AGAIN
 124 #endif
 125
 126 #if !defined(EAI_BADFLAGS)
 127 # define EAI_BADFLAGS WSAEINVAL
 128 #endif
 129
 130 #if !defined(EAI_FAIL)
 131 # define EAI_FAIL WSANO_RECOVERY
 132 #endif
 133
 134 #if !defined(EAI_FAMILY)
 135 # define EAI_FAMILY WSAEAFNOSUPPORT
 136 #endif
 137
 138 #if !defined(EAI_MEMORY)
 139 # define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
 140 #endif
 141
 142 #if !defined(EAI_NODATA)
 143 # define EAI_NODATA WSANO_DATA
 144 #endif
 145
 146 #if !defined(EAI_NONAME)
 147 # define EAI_NONAME WSAHOST_NOT_FOUND
 148 #endif
 149
 150 #if !defined(EAI_SERVICE)
 151 # define EAI_SERVICE WSATYPE_NOT_FOUND
 152 #endif
 153
 154 #if !defined(EAI_SOCKTYPE)
 155 # define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
 156 #endif
 157
 158 #if !defined(NI_NOFQDN)
 159 # define NI_NOFQDN 0x01
 160 #endif
 161
 162 #if !defined(NI_NUMERICHOST)
 163 # define NI_NUMERICHOST 0x02
 164 #endif
 165
 166 #if !defined(NI_NAMEREQD)
 167 # define NI_NAMEREQD 0x04
 168 #endif
 169
 170 #if !defined(NI_NUMERICSERV)
 171 # define NI_NUMERICSERV 0x08
 172 #endif
 173
 174 #if !defined(NI_DGRAM)
 175 # define NI_DGRAM 0x10
 176 #endif
 177
 178 #if !defined(IPPROTO_IPV6)
 179 # define IPPROTO_IPV6 41
 180 #endif
 181
 182 #if !defined(IPV6_UNICAST_HOPS)
 183 # define IPV6_UNICAST_HOPS 4
 184 #endif
 185
 186 #if !defined(IPV6_MULTICAST_IF)
 187 # define IPV6_MULTICAST_IF 9
 188 #endif
 189
 190 #if !defined(IPV6_MULTICAST_HOPS)
 191 # define IPV6_MULTICAST_HOPS 10
 192 #endif
 193
 194 #if !defined(IPV6_MULTICAST_LOOP)
 195 # define IPV6_MULTICAST_LOOP 11
 196 #endif
 197
 198 #if !defined(IPV6_JOIN_GROUP)
 199 # define IPV6_JOIN_GROUP 12
 200 #endif
 201
 202 #if !defined(IPV6_LEAVE_GROUP)
 203 # define IPV6_LEAVE_GROUP 13
 204 #endif
 205
 206 inline int IN6_IS_ADDR_UNSPECIFIED(const in6_addr_emulation* a)
 207 {
 208   return ((a->s6_addr[0] == 0)
 209       && (a->s6_addr[1] == 0)
 210       && (a->s6_addr[2] == 0)
 211       && (a->s6_addr[3] == 0)
 212       && (a->s6_addr[4] == 0)
 213       && (a->s6_addr[5] == 0)
 214       && (a->s6_addr[6] == 0)
 215       && (a->s6_addr[7] == 0)
 216       && (a->s6_addr[8] == 0)
 217       && (a->s6_addr[9] == 0)
 218       && (a->s6_addr[10] == 0)
 219       && (a->s6_addr[11] == 0)
 220       && (a->s6_addr[12] == 0)
 221       && (a->s6_addr[13] == 0)
 222       && (a->s6_addr[14] == 0)
 223       && (a->s6_addr[15] == 0));
 224 }
 225
 226 inline int IN6_IS_ADDR_LOOPBACK(const in6_addr_emulation* a)
 227 {
 228   return ((a->s6_addr[0] == 0)
 229       && (a->s6_addr[1] == 0)
 230       && (a->s6_addr[2] == 0)
 231       && (a->s6_addr[3] == 0)
 232       && (a->s6_addr[4] == 0)
 233       && (a->s6_addr[5] == 0)
 234       && (a->s6_addr[6] == 0)
 235       && (a->s6_addr[7] == 0)
 236       && (a->s6_addr[8] == 0)
 237       && (a->s6_addr[9] == 0)
 238       && (a->s6_addr[10] == 0)
 239       && (a->s6_addr[11] == 0)
 240       && (a->s6_addr[12] == 0)
 241       && (a->s6_addr[13] == 0)
 242       && (a->s6_addr[14] == 0)
 243       && (a->s6_addr[15] == 1));
 244 }
 245
 246 inline int IN6_IS_ADDR_MULTICAST(const in6_addr_emulation* a)
 247 {
 248   return (a->s6_addr[0] == 0xff);
 249 }
 250
 251 inline int IN6_IS_ADDR_LINKLOCAL(const in6_addr_emulation* a)
 252 {
 253   return ((a->s6_addr[0] == 0xfe) && ((a->s6_addr[1] & 0xc0) == 0x80));
 254 }
 255
 256 inline int IN6_IS_ADDR_SITELOCAL(const in6_addr_emulation* a)
 257 {
 258   return ((a->s6_addr[0] == 0xfe) && ((a->s6_addr[1] & 0xc0) == 0xc0));
 259 }
 260
 261 inline int IN6_IS_ADDR_V4MAPPED(const in6_addr_emulation* a)
 262 {
 263   return ((a->s6_addr[0] == 0)
 264       && (a->s6_addr[1] == 0)
 265       && (a->s6_addr[2] == 0)
 266       && (a->s6_addr[3] == 0)
 267       && (a->s6_addr[4] == 0)
 268       && (a->s6_addr[5] == 0)
 269       && (a->s6_addr[6] == 0)
 270       && (a->s6_addr[7] == 0)
 271       && (a->s6_addr[8] == 0)
 272       && (a->s6_addr[9] == 0)
 273       && (a->s6_addr[10] == 0xff)
 274       && (a->s6_addr[11] == 0xff));
 275 }
 276
 277 inline int IN6_IS_ADDR_V4COMPAT(const in6_addr_emulation* a)
 278 {
 279   return ((a->s6_addr[0] == 0)
 280       && (a->s6_addr[1] == 0)
 281       && (a->s6_addr[2] == 0)
 282       && (a->s6_addr[3] == 0)
 283       && (a->s6_addr[4] == 0)
 284       && (a->s6_addr[5] == 0)
 285       && (a->s6_addr[6] == 0)
 286       && (a->s6_addr[7] == 0)
 287       && (a->s6_addr[8] == 0)
 288       && (a->s6_addr[9] == 0)
 289       && (a->s6_addr[10] == 0xff)
 290       && (a->s6_addr[11] == 0xff)
 291       && !((a->s6_addr[12] == 0)
 292         && (a->s6_addr[13] == 0)
 293         && (a->s6_addr[14] == 0)
 294         && ((a->s6_addr[15] == 0) || (a->s6_addr[15] == 1))));
 295 }
 296
 297 inline int IN6_IS_ADDR_MC_NODELOCAL(const in6_addr_emulation* a)
 298 {
 299   return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 1);
 300 }
 301
 302 inline int IN6_IS_ADDR_MC_LINKLOCAL(const in6_addr_emulation* a)
 303 {
 304   return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 2);
 305 }
 306
 307 inline int IN6_IS_ADDR_MC_SITELOCAL(const in6_addr_emulation* a)
 308 {
 309   return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 5);
 310 }
 311
 312 inline int IN6_IS_ADDR_MC_ORGLOCAL(const in6_addr_emulation* a)
 313 {
 314   return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 8);
 315 }
 316
 317 inline int IN6_IS_ADDR_MC_GLOBAL(const in6_addr_emulation* a)
 318 {
 319   return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 0xe);
 320 }
 321
 322 } // namespace detail
 323 } // namespace asio
 324 } // namespace boost
 325
 326 #endif // defined(BOOST_ASIO_HAS_OLD_WIN_SDK)
 327
 328 // Even newer Platform SDKs that support IPv6 may not define IPV6_V6ONLY.
 329 #if !defined(IPV6_V6ONLY)
 330 # define IPV6_V6ONLY 27
 331 #endif
 332
 333 // Some SDKs (e.g. Windows CE) don't define IPPROTO_ICMPV6.
 334 #if !defined(IPPROTO_ICMPV6)
 335 # define IPPROTO_ICMPV6 58
 336 #endif
 337
 338 #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
 339
 340 #include <boost/asio/detail/pop_options.hpp>
 341
 342 #endif // BOOST_ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP