gio/ginetaddress.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2008 Christian Kellner, Samuel Cormier-Iijima
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Authors: Christian Kellner <gicmo@gnome.org>
  21  *          Samuel Cormier-Iijima <sciyoshi@gmail.com>
  22  */
  23
  24 #include <config.h>
  25
  26 #include <string.h>
  27
  28 #include <glib.h>
  29
  30 #include "ginetaddress.h"
  31 #include "gioenums.h"
  32 #include "gioenumtypes.h"
  33 #include "glibintl.h"
  34 #include "gnetworkingprivate.h"
  35
  36 #include "gioalias.h"
  37
  38 /**
  39  * SECTION:ginetaddress
  40  * @short_description: An IPv4/IPv6 address
  41  *
  42  * #GInetAddress represents an IPv4 or IPv6 internet address. Use
  43  * g_resolver_lookup_by_name() or g_resolver_lookup_by_name_async() to
  44  * look up the #GInetAddress for a hostname. Use
  45  * g_resolver_lookup_by_address() or
  46  * g_resolver_lookup_by_address_async() to look up the hostname for a
  47  * #GInetAddress.
  48  *
  49  * To actually connect to a remote host, you will need a
  50  * #GInetSocketAddress (which includes a #GInetAddress as well as a
  51  * port number).
  52  **/
  53
  54 /**
  55  * GInetAddress:
  56  *
  57  * An IPv4 or IPv6 internet address.
  58  **/
  59
  60 /* Networking initialization function, called from inside the g_once of
  61  * g_inet_address_get_type()
  62  */
  63 static void
  64 _g_networking_init (void)
  65 {
  66 #ifdef G_OS_WIN32
  67   WSADATA wsadata;
  68   if (WSAStartup (MAKEWORD (2, 0), &wsadata) != 0)
  69     g_error ("Windows Sockets could not be initialized");
  70 #endif
  71 }
  72
  73 G_DEFINE_TYPE_WITH_CODE (GInetAddress, g_inet_address, G_TYPE_OBJECT,
  74                          _g_networking_init ();)
  75
  76 struct _GInetAddressPrivate
  77 {
  78   GSocketFamily family;
  79   union {
  80     struct in_addr ipv4;
  81     struct in6_addr ipv6;
  82   } addr;
  83 };
  84
  85 enum
  86 {
  87   PROP_0,
  88   PROP_FAMILY,
  89   PROP_BYTES,
  90   PROP_IS_ANY,
  91   PROP_IS_LOOPBACK,
  92   PROP_IS_LINK_LOCAL,
  93   PROP_IS_SITE_LOCAL,
  94   PROP_IS_MULTICAST,
  95   PROP_IS_MC_GLOBAL,
  96   PROP_IS_MC_LINK_LOCAL,
  97   PROP_IS_MC_NODE_LOCAL,
  98   PROP_IS_MC_ORG_LOCAL,
  99   PROP_IS_MC_SITE_LOCAL,
 100 };
 101
 102 static void
 103 g_inet_address_set_property (GObject      *object,
 104                              guint         prop_id,
 105                              const GValue *value,
 106                              GParamSpec   *pspec)
 107 {
 108   GInetAddress *address = G_INET_ADDRESS (object);
 109
 110   switch (prop_id)
 111     {
 112     case PROP_FAMILY:
 113       address->priv->family = g_value_get_enum (value);
 114       break;
 115
 116     case PROP_BYTES:
 117       memcpy (&address->priv->addr, g_value_get_pointer (value),
 118               address->priv->family == AF_INET ?
 119               sizeof (address->priv->addr.ipv4) :
 120               sizeof (address->priv->addr.ipv6));
 121       break;
 122
 123     default:
 124       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 125       break;
 126     }
 127
 128 }
 129
 130 static void
 131 g_inet_address_get_property (GObject    *object,
 132                              guint       prop_id,
 133                              GValue     *value,
 134                              GParamSpec *pspec)
 135 {
 136   GInetAddress *address = G_INET_ADDRESS (object);
 137
 138   switch (prop_id)
 139     {
 140     case PROP_FAMILY:
 141       g_value_set_enum (value, address->priv->family);
 142       break;
 143
 144     case PROP_BYTES:
 145       g_value_set_pointer (value, &address->priv->addr);
 146       break;
 147
 148     case PROP_IS_ANY:
 149       g_value_set_boolean (value, g_inet_address_get_is_any (address));
 150       break;
 151
 152     case PROP_IS_LOOPBACK:
 153       g_value_set_boolean (value, g_inet_address_get_is_loopback (address));
 154       break;
 155
 156     case PROP_IS_LINK_LOCAL:
 157       g_value_set_boolean (value, g_inet_address_get_is_link_local (address));
 158       break;
 159
 160     case PROP_IS_SITE_LOCAL:
 161       g_value_set_boolean (value, g_inet_address_get_is_site_local (address));
 162       break;
 163
 164     case PROP_IS_MULTICAST:
 165       g_value_set_boolean (value, g_inet_address_get_is_multicast (address));
 166       break;
 167
 168     case PROP_IS_MC_GLOBAL:
 169       g_value_set_boolean (value, g_inet_address_get_is_mc_global (address));
 170       break;
 171
 172     case PROP_IS_MC_LINK_LOCAL:
 173       g_value_set_boolean (value, g_inet_address_get_is_mc_link_local (address));
 174       break;
 175
 176     case PROP_IS_MC_NODE_LOCAL:
 177       g_value_set_boolean (value, g_inet_address_get_is_mc_node_local (address));
 178       break;
 179
 180     case PROP_IS_MC_ORG_LOCAL:
 181       g_value_set_boolean (value, g_inet_address_get_is_mc_org_local (address));
 182       break;
 183
 184     case PROP_IS_MC_SITE_LOCAL:
 185       g_value_set_boolean (value, g_inet_address_get_is_mc_site_local (address));
 186       break;
 187
 188     default:
 189       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 190     }
 191 }
 192
 193 static void
 194 g_inet_address_class_init (GInetAddressClass *klass)
 195 {
 196   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 197
 198   g_type_class_add_private (klass, sizeof (GInetAddressPrivate));
 199
 200   gobject_class->set_property = g_inet_address_set_property;
 201   gobject_class->get_property = g_inet_address_get_property;
 202
 203   g_object_class_install_property (gobject_class, PROP_FAMILY,
 204                                    g_param_spec_enum ("family",
 205                                                       P_("Address family"),
 206                                                       P_("The address family (IPv4 or IPv6)"),
 207                                                       G_TYPE_SOCKET_FAMILY,
 208                                                       G_SOCKET_FAMILY_INVALID,
 209                                                       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 210
 211   g_object_class_install_property (gobject_class, PROP_BYTES,
 212                                    g_param_spec_pointer ("bytes",
 213                                                          P_("Bytes"),
 214                                                          P_("The raw address data"),
 215                                                          G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 216
 217   g_object_class_install_property (gobject_class, PROP_IS_ANY,
 218                                    g_param_spec_boolean ("is-any",
 219                                                          P_("Is any"),
 220                                                          P_("See g_inet_address_get_is_any()"),
 221                                                          FALSE,
 222                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 223
 224   g_object_class_install_property (gobject_class, PROP_IS_LINK_LOCAL,
 225                                    g_param_spec_boolean ("is-link-local",
 226                                                          P_("Is link-local"),
 227                                                          P_("See g_inet_address_get_is_link_local()"),
 228                                                          FALSE,
 229                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 230
 231   g_object_class_install_property (gobject_class, PROP_IS_LOOPBACK,
 232                                    g_param_spec_boolean ("is-loopback",
 233                                                          P_("Is loopback"),
 234                                                          P_("See g_inet_address_get_is_loopback()"),
 235                                                          FALSE,
 236                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 237
 238   g_object_class_install_property (gobject_class, PROP_IS_SITE_LOCAL,
 239                                    g_param_spec_boolean ("is-site-local",
 240                                                          P_("Is site-local"),
 241                                                          P_("See g_inet_address_get_is_site_local()"),
 242                                                          FALSE,
 243                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 244
 245   g_object_class_install_property (gobject_class, PROP_IS_MULTICAST,
 246                                    g_param_spec_boolean ("is-multicast",
 247                                                          P_("Is multicast"),
 248                                                          P_("See g_inet_address_get_is_multicast()"),
 249                                                          FALSE,
 250                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 251
 252   g_object_class_install_property (gobject_class, PROP_IS_MC_GLOBAL,
 253                                    g_param_spec_boolean ("is-mc-global",
 254                                                          P_("Is multicast global"),
 255                                                          P_("See g_inet_address_get_is_mc_global()"),
 256                                                          FALSE,
 257                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 258
 259   g_object_class_install_property (gobject_class, PROP_IS_MC_LINK_LOCAL,
 260                                    g_param_spec_boolean ("is-mc-link-local",
 261                                                          P_("Is multicast link-local"),
 262                                                          P_("See g_inet_address_get_is_mc_link_local()"),
 263                                                          FALSE,
 264                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 265
 266   g_object_class_install_property (gobject_class, PROP_IS_MC_NODE_LOCAL,
 267                                    g_param_spec_boolean ("is-mc-node-local",
 268                                                          P_("Is multicast node-local"),
 269                                                          P_("See g_inet_address_get_is_mc_node_local()"),
 270                                                          FALSE,
 271                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 272
 273   g_object_class_install_property (gobject_class, PROP_IS_MC_ORG_LOCAL,
 274                                    g_param_spec_boolean ("is-mc-org-local",
 275                                                          P_("Is multicast org-local"),
 276                                                          P_("See g_inet_address_get_is_mc_org_local()"),
 277                                                          FALSE,
 278                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 279
 280   g_object_class_install_property (gobject_class, PROP_IS_MC_SITE_LOCAL,
 281                                    g_param_spec_boolean ("is-mc-site-local",
 282                                                          P_("Is multicast site-local"),
 283                                                          P_("See g_inet_address_get_is_mc_site_local()"),
 284                                                          FALSE,
 285                                                          G_PARAM_READABLE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NAME));
 286 }
 287
 288 static void
 289 g_inet_address_init (GInetAddress *address)
 290 {
 291   address->priv = G_TYPE_INSTANCE_GET_PRIVATE (address,
 292                                                G_TYPE_INET_ADDRESS,
 293                                                GInetAddressPrivate);
 294 }
 295
 296 /**
 297  * g_inet_address_new_from_string:
 298  * @string: a string representation of an IP address
 299  *
 300  * Parses @string as an IP address and creates a new #GInetAddress.
 301  *
 302  * Returns: a new #GInetAddress corresponding to @string, or %NULL if
 303  * @string could not be parsed.
 304  *
 305  * Since: 2.22
 306  */
 307 GInetAddress *
 308 g_inet_address_new_from_string (const gchar *string)
 309 {
 310 #ifdef G_OS_WIN32
 311   struct sockaddr_storage sa;
 312   struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
 313   struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
 314   gint len;
 315 #else /* !G_OS_WIN32 */
 316   struct in_addr in_addr;
 317   struct in6_addr in6_addr;
 318 #endif
 319
 320   /* Make sure _g_networking_init() has been called */
 321   (void) g_inet_address_get_type ();
 322
 323 #ifdef G_OS_WIN32
 324   memset (&sa, 0, sizeof (sa));
 325   len = sizeof (sa);
 326   if (WSAStringToAddress ((LPTSTR) string, AF_INET, NULL, (LPSOCKADDR) &sa, &len) == 0)
 327     return g_inet_address_new_from_bytes ((guint8 *)&sin->sin_addr, AF_INET);
 328   else if (WSAStringToAddress ((LPTSTR) string, AF_INET6, NULL, (LPSOCKADDR) &sa, &len) == 0)
 329     return g_inet_address_new_from_bytes ((guint8 *)&sin6->sin6_addr, AF_INET6);
 330
 331 #else /* !G_OS_WIN32 */
 332
 333   if (inet_pton (AF_INET, string, &in_addr) > 0)
 334     return g_inet_address_new_from_bytes ((guint8 *)&in_addr, AF_INET);
 335   else if (inet_pton (AF_INET6, string, &in6_addr) > 0)
 336     return g_inet_address_new_from_bytes ((guint8 *)&in6_addr, AF_INET6);
 337 #endif
 338
 339   return NULL;
 340 }
 341
 342 #define G_INET_ADDRESS_FAMILY_IS_VALID(family) ((family) == AF_INET || (family) == AF_INET6)
 343
 344 /**
 345  * g_inet_address_new_from_bytes:
 346  * @bytes: raw address data
 347  * @family: the address family of @bytes
 348  *
 349  * Creates a new #GInetAddress from the given @family and @bytes.
 350  * @bytes should be 4 bytes for %G_INET_ADDRESS_IPV4 and 16 bytes for
 351  * %G_INET_ADDRESS_IPV6.
 352  *
 353  * Returns: a new #GInetAddress corresponding to @family and @bytes.
 354  *
 355  * Since: 2.22
 356  */
 357 GInetAddress *
 358 g_inet_address_new_from_bytes (const guint8         *bytes,
 359                                GSocketFamily  family)
 360 {
 361   g_return_val_if_fail (G_INET_ADDRESS_FAMILY_IS_VALID (family), NULL);
 362
 363   return g_object_new (G_TYPE_INET_ADDRESS,
 364                        "family", family,
 365                        "bytes", bytes,
 366                        NULL);
 367 }
 368
 369 /**
 370  * g_inet_address_new_loopback:
 371  * @family: the address family
 372  *
 373  * Creates a #GInetAddress for the loopback address for @family.
 374  *
 375  * Returns: a new #GInetAddress corresponding to the loopback address
 376  * for @family.
 377  *
 378  * Since: 2.22
 379  */
 380 GInetAddress *
 381 g_inet_address_new_loopback (GSocketFamily family)
 382 {
 383   g_return_val_if_fail (G_INET_ADDRESS_FAMILY_IS_VALID (family), NULL);
 384
 385   if (family == AF_INET)
 386     {
 387       guint8 addr[4] = {127, 0, 0, 1};
 388
 389       return g_inet_address_new_from_bytes (addr, family);
 390     }
 391   else
 392     return g_inet_address_new_from_bytes (in6addr_loopback.s6_addr, family);
 393 }
 394
 395 /**
 396  * g_inet_address_new_any:
 397  * @family: the address family
 398  *
 399  * Creates a #GInetAddress for the "any" address (unassigned/"don't
 400  * care") for @family.
 401  *
 402  * Returns: a new #GInetAddress corresponding to the "any" address
 403  * for @family.
 404  *
 405  * Since: 2.22
 406  */
 407 GInetAddress *
 408 g_inet_address_new_any (GSocketFamily family)
 409 {
 410   g_return_val_if_fail (G_INET_ADDRESS_FAMILY_IS_VALID (family), NULL);
 411
 412   if (family == AF_INET)
 413     {
 414       guint8 addr[4] = {0, 0, 0, 0};
 415
 416       return g_inet_address_new_from_bytes (addr, family);
 417     }
 418   else
 419     return g_inet_address_new_from_bytes (in6addr_any.s6_addr, family);
 420 }
 421
 422
 423 /**
 424  * g_inet_address_to_string:
 425  * @address: a #GInetAddress
 426  *
 427  * Converts @address to string form.
 428  *
 429  * Returns: a representation of @address as a string, which should be
 430  * freed after use.
 431  *
 432  * Since: 2.22
 433  */
 434 gchar *
 435 g_inet_address_to_string (GInetAddress *address)
 436 {
 437   gchar buffer[INET6_ADDRSTRLEN];
 438 #ifdef G_OS_WIN32
 439   DWORD buflen = sizeof (buffer), addrlen;
 440   struct sockaddr_storage sa;
 441   struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
 442   struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
 443 #endif
 444
 445   g_return_val_if_fail (G_IS_INET_ADDRESS (address), NULL);
 446
 447 #ifdef G_OS_WIN32
 448   sa.ss_family = address->priv->family;
 449   if (address->priv->family == AF_INET)
 450     {
 451       addrlen = sizeof (*sin);
 452       memcpy (&sin->sin_addr, &address->priv->addr.ipv4,
 453               sizeof (sin->sin_addr));
 454       sin->sin_port = 0;
 455     }
 456   else
 457     {
 458       addrlen = sizeof (*sin6);
 459       memcpy (&sin6->sin6_addr, &address->priv->addr.ipv6,
 460               sizeof (sin6->sin6_addr));
 461       sin6->sin6_port = 0;
 462     }
 463   if (WSAAddressToString ((LPSOCKADDR) &sa, addrlen, NULL, buffer, &buflen) != 0)
 464     return NULL;
 465
 466 #else /* !G_OS_WIN32 */
 467
 468   if (address->priv->family == AF_INET)
 469     inet_ntop (AF_INET, &address->priv->addr.ipv4, buffer, sizeof (buffer));
 470   else
 471     inet_ntop (AF_INET6, &address->priv->addr.ipv6, buffer, sizeof (buffer));
 472 #endif
 473
 474   return g_strdup (buffer);
 475 }
 476
 477 /**
 478  * g_inet_address_to_bytes:
 479  * @address: a #GInetAddress
 480  *
 481  * Gets the raw binary address data from @address.
 482  *
 483  * Returns: a pointer to an internal array of the bytes in @address,
 484  * which should not be modified, stored, or freed.
 485  *
 486  * Since: 2.22
 487  */
 488 const guint8 *
 489 g_inet_address_to_bytes (GInetAddress *address)
 490 {
 491   g_return_val_if_fail (G_IS_INET_ADDRESS (address), NULL);
 492
 493   return (guint8 *)&address->priv->addr;
 494 }
 495
 496 /**
 497  * g_inet_address_get_family:
 498  * @address: a #GInetAddress
 499  *
 500  * Gets @address's family
 501  *
 502  * Returns: @address's family
 503  *
 504  * Since: 2.22
 505  */
 506 GSocketFamily
 507 g_inet_address_get_family (GInetAddress *address)
 508 {
 509   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 510
 511   return address->priv->family;
 512 }
 513
 514 /**
 515  * g_inet_address_get_is_any:
 516  * @address: a #GInetAddress
 517  *
 518  * Tests whether @address is the "any" address for its family.
 519  *
 520  * Returns: %TRUE if @address is the "any" address for its family.
 521  *
 522  * Since: 2.22
 523  */
 524 gboolean
 525 g_inet_address_get_is_any (GInetAddress *address)
 526 {
 527   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 528
 529   if (address->priv->family == AF_INET)
 530     {
 531       guint32 addr4 = g_ntohl (address->priv->addr.ipv4.s_addr);
 532
 533       return addr4 == INADDR_ANY;
 534     }
 535   else
 536     return IN6_IS_ADDR_UNSPECIFIED (&address->priv->addr.ipv6);
 537 }
 538
 539 /**
 540  * g_inet_address_get_is_loopback:
 541  * @address: a #GInetAddress
 542  *
 543  * Tests whether @address is the loopback address for its family.
 544  *
 545  * Returns: %TRUE if @address is the loopback address for its family.
 546  *
 547  * Since: 2.22
 548  */
 549 gboolean
 550 g_inet_address_get_is_loopback (GInetAddress *address)
 551 {
 552   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 553
 554   if (address->priv->family == AF_INET)
 555     {
 556       guint32 addr4 = g_ntohl (address->priv->addr.ipv4.s_addr);
 557
 558       /* 127.0.0.0/8 */
 559       return ((addr4 & 0xff000000) == 0x7f000000);
 560     }
 561   else
 562     return IN6_IS_ADDR_LOOPBACK (&address->priv->addr.ipv6);
 563 }
 564
 565 /**
 566  * g_inet_address_get_is_link_local:
 567  * @address: a #GInetAddress
 568  *
 569  * Tests whether @address is a link-local address (that is, if it
 570  * identifies a host on a local network that is not connected to the
 571  * Internet).
 572  *
 573  * Returns: %TRUE if @address is a link-local address.
 574  *
 575  * Since: 2.22
 576  */
 577 gboolean
 578 g_inet_address_get_is_link_local (GInetAddress *address)
 579 {
 580   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 581
 582   if (address->priv->family == AF_INET)
 583     {
 584       guint32 addr4 = g_ntohl (address->priv->addr.ipv4.s_addr);
 585
 586       /* 169.254.0.0/16 */
 587       return ((addr4 & 0xffff0000) == 0xa9fe0000);
 588     }
 589   else
 590     return IN6_IS_ADDR_LINKLOCAL (&address->priv->addr.ipv6);
 591 }
 592
 593 /**
 594  * g_inet_address_get_is_site_local:
 595  * @address: a #GInetAddress
 596  *
 597  * Tests whether @address is a site-local address such as 10.0.0.1
 598  * (that is, the address identifies a host on a local network that can
 599  * not be reached directly from the Internet, but which may have
 600  * outgoing Internet connectivity via a NAT or firewall).
 601  *
 602  * Returns: %TRUE if @address is a site-local address.
 603  *
 604  * Since: 2.22
 605  */
 606 gboolean
 607 g_inet_address_get_is_site_local (GInetAddress *address)
 608 {
 609   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 610
 611   if (address->priv->family == AF_INET)
 612     {
 613       guint32 addr4 = g_ntohl (address->priv->addr.ipv4.s_addr);
 614
 615       /* 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16 */
 616       return ((addr4 & 0xff000000) == 0x0a000000 ||
 617               (addr4 & 0xfff00000) == 0xac100000 ||
 618               (addr4 & 0xffff0000) == 0xc0a80000);
 619     }
 620   else
 621     return IN6_IS_ADDR_SITELOCAL (&address->priv->addr.ipv6);
 622 }
 623
 624 /**
 625  * g_inet_address_get_is_multicast:
 626  * @address: a #GInetAddress
 627  *
 628  * Tests whether @address is a multicast address.
 629  *
 630  * Returns: %TRUE if @address is a multicast address.
 631  *
 632  * Since: 2.22
 633  */
 634 gboolean
 635 g_inet_address_get_is_multicast (GInetAddress *address)
 636 {
 637   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 638
 639   if (address->priv->family == AF_INET)
 640     {
 641       guint32 addr4 = g_ntohl (address->priv->addr.ipv4.s_addr);
 642
 643       return IN_MULTICAST (addr4);
 644     }
 645   else
 646     return IN6_IS_ADDR_MULTICAST (&address->priv->addr.ipv6);
 647 }
 648
 649 /**
 650  * g_inet_address_get_is_mc_global:
 651  * @address: a #GInetAddress
 652  *
 653  * Tests whether @address is a global multicast address.
 654  *
 655  * Returns: %TRUE if @address is a global multicast address.
 656  *
 657  * Since: 2.22
 658  */
 659 gboolean
 660 g_inet_address_get_is_mc_global (GInetAddress *address)
 661 {
 662   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 663
 664   if (address->priv->family == AF_INET)
 665     return FALSE;
 666   else
 667     return IN6_IS_ADDR_MC_GLOBAL (&address->priv->addr.ipv6);
 668 }
 669
 670 /**
 671  * g_inet_address_get_is_mc_link_local:
 672  * @address: a #GInetAddress
 673  *
 674  * Tests whether @address is a link-local multicast address.
 675  *
 676  * Returns: %TRUE if @address is a link-local multicast address.
 677  *
 678  * Since: 2.22
 679  */
 680 gboolean
 681 g_inet_address_get_is_mc_link_local (GInetAddress *address)
 682 {
 683   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 684
 685   if (address->priv->family == AF_INET)
 686     return FALSE;
 687   else
 688     return IN6_IS_ADDR_MC_LINKLOCAL (&address->priv->addr.ipv6);
 689 }
 690
 691 /**
 692  * g_inet_address_get_is_mc_node_local:
 693  * @address: a #GInetAddress
 694  *
 695  * Tests whether @address is a node-local multicast address.
 696  *
 697  * Returns: %TRUE if @address is a node-local multicast address.
 698  *
 699  * Since: 2.22
 700  */
 701 gboolean
 702 g_inet_address_get_is_mc_node_local (GInetAddress *address)
 703 {
 704   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 705
 706   if (address->priv->family == AF_INET)
 707     return FALSE;
 708   else
 709     return IN6_IS_ADDR_MC_NODELOCAL (&address->priv->addr.ipv6);
 710 }
 711
 712 /**
 713  * g_inet_address_get_is_mc_org_local:
 714  * @address: a #GInetAddress
 715  *
 716  * Tests whether @address is an organization-local multicast address.
 717  *
 718  * Returns: %TRUE if @address is an organization-local multicast address.
 719  *
 720  * Since: 2.22
 721  */
 722 gboolean
 723 g_inet_address_get_is_mc_org_local  (GInetAddress *address)
 724 {
 725   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 726
 727   if (address->priv->family == AF_INET)
 728     return FALSE;
 729   else
 730     return IN6_IS_ADDR_MC_ORGLOCAL (&address->priv->addr.ipv6);
 731 }
 732
 733 /**
 734  * g_inet_address_get_is_mc_site_local:
 735  * @address: a #GInetAddress
 736  *
 737  * Tests whether @address is a site-local multicast address.
 738  *
 739  * Returns: %TRUE if @address is a site-local multicast address.
 740  *
 741  * Since: 2.22
 742  */
 743 gboolean
 744 g_inet_address_get_is_mc_site_local (GInetAddress *address)
 745 {
 746   g_return_val_if_fail (G_IS_INET_ADDRESS (address), FALSE);
 747
 748   if (address->priv->family == AF_INET)
 749     return FALSE;
 750   else
 751     return IN6_IS_ADDR_MC_SITELOCAL (&address->priv->addr.ipv6);
 752 }
 753
 754 #define __G_INET_ADDRESS_C__
 755 #include "gioaliasdef.c"