| 1 | // |
| 2 | // IPAddress.cpp |
| 3 | // |
| 4 | // Library: Net |
| 5 | // Package: NetCore |
| 6 | // Module: IPAddress |
| 7 | // |
| 8 | // Copyright (c) 2005-2011, Applied Informatics Software Engineering GmbH. |
| 9 | // and Contributors. |
| 10 | // |
| 11 | // SPDX-License-Identifier: BSL-1.0 |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include "Poco/Net/IPAddressImpl.h" |
| 16 | #include "Poco/Net/NetException.h" |
| 17 | #include "Poco/RefCountedObject.h" |
| 18 | #include "Poco/NumberFormatter.h" |
| 19 | #include "Poco/ByteOrder.h" |
| 20 | #include "Poco/String.h" |
| 21 | #include "Poco/Types.h" |
| 22 | |
| 23 | |
| 24 | using Poco::RefCountedObject; |
| 25 | using Poco::NumberFormatter; |
| 26 | using Poco::toLower; |
| 27 | using Poco::UInt8; |
| 28 | using Poco::UInt16; |
| 29 | using Poco::UInt32; |
| 30 | |
| 31 | |
| 32 | namespace { |
| 33 | |
| 34 | |
| 35 | template <typename T> |
| 36 | unsigned maskBits(T val, unsigned size) |
| 37 | /// Returns the length of the mask (number of bits set in val). |
| 38 | /// The val should be either all zeros or two contiguos areas of 1s and 0s. |
| 39 | /// The algorithm ignores invalid non-contiguous series of 1s and treats val |
| 40 | /// as if all bits between MSb and last non-zero bit are set to 1. |
| 41 | { |
| 42 | unsigned count = 0; |
| 43 | if (val) |
| 44 | { |
| 45 | val = (val ^ (val - 1)) >> 1; |
| 46 | for (count = 0; val; ++count) val >>= 1; |
| 47 | } |
| 48 | else count = size; |
| 49 | return size - count; |
| 50 | } |
| 51 | |
| 52 | |
| 53 | } // namespace |
| 54 | |
| 55 | |
| 56 | namespace Poco { |
| 57 | namespace Net { |
| 58 | namespace Impl { |
| 59 | |
| 60 | |
| 61 | // |
| 62 | // IPAddressImpl |
| 63 | // |
| 64 | |
| 65 | |
| 66 | IPAddressImpl::IPAddressImpl() |
| 67 | { |
| 68 | } |
| 69 | |
| 70 | |
| 71 | IPAddressImpl::~IPAddressImpl() |
| 72 | { |
| 73 | } |
| 74 | |
| 75 | |
| 76 | // |
| 77 | // IPv4AddressImpl |
| 78 | // |
| 79 | |
| 80 | |
| 81 | IPv4AddressImpl::IPv4AddressImpl() |
| 82 | { |
| 83 | std::memset(&_addr, 0, sizeof(_addr)); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | IPv4AddressImpl::IPv4AddressImpl(const void* addr) |
| 88 | { |
| 89 | std::memcpy(&_addr, addr, sizeof(_addr)); |
| 90 | } |
| 91 | |
| 92 | |
| 93 | IPv4AddressImpl::IPv4AddressImpl(unsigned prefix) |
| 94 | { |
| 95 | UInt32 addr = (prefix == 32) ? 0xffffffff : ~(0xffffffff >> prefix); |
| 96 | _addr.s_addr = ByteOrder::toNetwork(addr); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | IPv4AddressImpl::IPv4AddressImpl(const IPv4AddressImpl& addr) |
| 101 | { |
| 102 | std::memcpy(&_addr, &addr._addr, sizeof(_addr)); |
| 103 | } |
| 104 | |
| 105 | |
| 106 | IPv4AddressImpl& IPv4AddressImpl::operator = (const IPv4AddressImpl& addr) |
| 107 | { |
| 108 | if (this == &addr) |
| 109 | return *this; |
| 110 | |
| 111 | std::memcpy(&_addr, &addr._addr, sizeof(_addr)); |
| 112 | return *this; |
| 113 | } |
| 114 | |
| 115 | |
| 116 | std::string IPv4AddressImpl::toString() const |
| 117 | { |
| 118 | const UInt8* bytes = reinterpret_cast<const UInt8*>(&_addr); |
| 119 | std::string result; |
| 120 | result.reserve(16); |
| 121 | NumberFormatter::append(result, bytes[0]); |
| 122 | result.append("." ); |
| 123 | NumberFormatter::append(result, bytes[1]); |
| 124 | result.append("." ); |
| 125 | NumberFormatter::append(result, bytes[2]); |
| 126 | result.append("." ); |
| 127 | NumberFormatter::append(result, bytes[3]); |
| 128 | return result; |
| 129 | } |
| 130 | |
| 131 | |
| 132 | poco_socklen_t IPv4AddressImpl::length() const |
| 133 | { |
| 134 | return sizeof(_addr); |
| 135 | } |
| 136 | |
| 137 | |
| 138 | const void* IPv4AddressImpl::addr() const |
| 139 | { |
| 140 | return &_addr; |
| 141 | } |
| 142 | |
| 143 | |
| 144 | IPAddressImpl::Family IPv4AddressImpl::family() const |
| 145 | { |
| 146 | return AddressFamily::IPv4; |
| 147 | } |
| 148 | |
| 149 | |
| 150 | int IPv4AddressImpl::af() const |
| 151 | { |
| 152 | return AF_INET; |
| 153 | } |
| 154 | |
| 155 | |
| 156 | unsigned IPv4AddressImpl::prefixLength() const |
| 157 | { |
| 158 | return maskBits(ntohl(_addr.s_addr), 32); |
| 159 | } |
| 160 | |
| 161 | |
| 162 | Poco::UInt32 IPv4AddressImpl::scope() const |
| 163 | { |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | bool IPv4AddressImpl::isWildcard() const |
| 169 | { |
| 170 | return _addr.s_addr == INADDR_ANY; |
| 171 | } |
| 172 | |
| 173 | |
| 174 | bool IPv4AddressImpl::isBroadcast() const |
| 175 | { |
| 176 | return _addr.s_addr == INADDR_NONE; |
| 177 | } |
| 178 | |
| 179 | |
| 180 | bool IPv4AddressImpl::isLoopback() const |
| 181 | { |
| 182 | return (ntohl(_addr.s_addr) & 0xFF000000) == 0x7F000000; // 127.0.0.1 to 127.255.255.255 |
| 183 | } |
| 184 | |
| 185 | |
| 186 | bool IPv4AddressImpl::isMulticast() const |
| 187 | { |
| 188 | return (ntohl(_addr.s_addr) & 0xF0000000) == 0xE0000000; // 224.0.0.0/24 to 239.0.0.0/24 |
| 189 | } |
| 190 | |
| 191 | |
| 192 | bool IPv4AddressImpl::isLinkLocal() const |
| 193 | { |
| 194 | return (ntohl(_addr.s_addr) & 0xFFFF0000) == 0xA9FE0000; // 169.254.0.0/16 |
| 195 | } |
| 196 | |
| 197 | |
| 198 | bool IPv4AddressImpl::isSiteLocal() const |
| 199 | { |
| 200 | UInt32 addr = ntohl(_addr.s_addr); |
| 201 | return (addr & 0xFF000000) == 0x0A000000 || // 10.0.0.0/24 |
| 202 | (addr & 0xFFFF0000) == 0xC0A80000 || // 192.68.0.0/16 |
| 203 | (addr >= 0xAC100000 && addr <= 0xAC1FFFFF); // 172.16.0.0 to 172.31.255.255 |
| 204 | } |
| 205 | |
| 206 | |
| 207 | bool IPv4AddressImpl::isIPv4Compatible() const |
| 208 | { |
| 209 | return true; |
| 210 | } |
| 211 | |
| 212 | |
| 213 | bool IPv4AddressImpl::isIPv4Mapped() const |
| 214 | { |
| 215 | return true; |
| 216 | } |
| 217 | |
| 218 | |
| 219 | bool IPv4AddressImpl::isWellKnownMC() const |
| 220 | { |
| 221 | return (ntohl(_addr.s_addr) & 0xFFFFFF00) == 0xE0000000; // 224.0.0.0/8 |
| 222 | } |
| 223 | |
| 224 | |
| 225 | bool IPv4AddressImpl::isNodeLocalMC() const |
| 226 | { |
| 227 | return false; |
| 228 | } |
| 229 | |
| 230 | |
| 231 | bool IPv4AddressImpl::isLinkLocalMC() const |
| 232 | { |
| 233 | return (ntohl(_addr.s_addr) & 0xFF000000) == 0xE0000000; // 244.0.0.0/24 |
| 234 | } |
| 235 | |
| 236 | |
| 237 | bool IPv4AddressImpl::isSiteLocalMC() const |
| 238 | { |
| 239 | return (ntohl(_addr.s_addr) & 0xFFFF0000) == 0xEFFF0000; // 239.255.0.0/16 |
| 240 | } |
| 241 | |
| 242 | |
| 243 | bool IPv4AddressImpl::isOrgLocalMC() const |
| 244 | { |
| 245 | return (ntohl(_addr.s_addr) & 0xFFFF0000) == 0xEFC00000; // 239.192.0.0/16 |
| 246 | } |
| 247 | |
| 248 | |
| 249 | bool IPv4AddressImpl::isGlobalMC() const |
| 250 | { |
| 251 | UInt32 addr = ntohl(_addr.s_addr); |
| 252 | return addr >= 0xE0000100 && addr <= 0xEE000000; // 224.0.1.0 to 238.255.255.255 |
| 253 | } |
| 254 | |
| 255 | |
| 256 | IPv4AddressImpl IPv4AddressImpl::parse(const std::string& addr) |
| 257 | { |
| 258 | if (addr.empty()) return IPv4AddressImpl(); |
| 259 | #if defined(_WIN32) |
| 260 | struct in_addr ia; |
| 261 | ia.s_addr = inet_addr(addr.c_str()); |
| 262 | if (ia.s_addr == INADDR_NONE && addr != "255.255.255.255" ) |
| 263 | return IPv4AddressImpl(); |
| 264 | else |
| 265 | return IPv4AddressImpl(&ia); |
| 266 | #else |
| 267 | #if __GNUC__ < 3 || defined(POCO_VXWORKS) |
| 268 | struct in_addr ia; |
| 269 | ia.s_addr = inet_addr(const_cast<char*>(addr.c_str())); |
| 270 | if (ia.s_addr == INADDR_NONE && addr != "255.255.255.255" ) |
| 271 | return IPv4AddressImpl(); |
| 272 | else |
| 273 | return IPv4AddressImpl(&ia); |
| 274 | #else |
| 275 | struct in_addr ia; |
| 276 | if (inet_aton(addr.c_str(), &ia)) |
| 277 | return IPv4AddressImpl(&ia); |
| 278 | else |
| 279 | return IPv4AddressImpl(); |
| 280 | #endif |
| 281 | #endif |
| 282 | } |
| 283 | |
| 284 | |
| 285 | void IPv4AddressImpl::mask(const IPAddressImpl* pMask, const IPAddressImpl* pSet) |
| 286 | { |
| 287 | poco_assert (pMask->af() == AF_INET && pSet->af() == AF_INET); |
| 288 | |
| 289 | _addr.s_addr &= static_cast<const IPv4AddressImpl*>(pMask)->_addr.s_addr; |
| 290 | _addr.s_addr |= static_cast<const IPv4AddressImpl*>(pSet)->_addr.s_addr & ~static_cast<const IPv4AddressImpl*>(pMask)->_addr.s_addr; |
| 291 | } |
| 292 | |
| 293 | |
| 294 | IPAddressImpl* IPv4AddressImpl::clone() const |
| 295 | { |
| 296 | return new IPv4AddressImpl(&_addr); |
| 297 | } |
| 298 | |
| 299 | |
| 300 | IPv4AddressImpl IPv4AddressImpl::operator & (const IPv4AddressImpl& addr) const |
| 301 | { |
| 302 | IPv4AddressImpl result(&_addr); |
| 303 | result._addr.s_addr &= addr._addr.s_addr; |
| 304 | return result; |
| 305 | } |
| 306 | |
| 307 | |
| 308 | IPv4AddressImpl IPv4AddressImpl::operator | (const IPv4AddressImpl& addr) const |
| 309 | { |
| 310 | IPv4AddressImpl result(&_addr); |
| 311 | result._addr.s_addr |= addr._addr.s_addr; |
| 312 | return result; |
| 313 | } |
| 314 | |
| 315 | |
| 316 | IPv4AddressImpl IPv4AddressImpl::operator ^ (const IPv4AddressImpl& addr) const |
| 317 | { |
| 318 | IPv4AddressImpl result(&_addr); |
| 319 | result._addr.s_addr ^= addr._addr.s_addr; |
| 320 | return result; |
| 321 | } |
| 322 | |
| 323 | |
| 324 | IPv4AddressImpl IPv4AddressImpl::operator ~ () const |
| 325 | { |
| 326 | IPv4AddressImpl result(&_addr); |
| 327 | result._addr.s_addr ^= 0xffffffff; |
| 328 | return result; |
| 329 | } |
| 330 | |
| 331 | |
| 332 | bool IPv4AddressImpl::operator == (const IPv4AddressImpl& addr) const |
| 333 | { |
| 334 | return 0 == std::memcmp(&addr._addr, &_addr, sizeof(_addr)); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | bool IPv4AddressImpl::operator != (const IPv4AddressImpl& addr) const |
| 339 | { |
| 340 | return !(*this == addr); |
| 341 | } |
| 342 | |
| 343 | |
| 344 | #if defined(POCO_HAVE_IPv6) |
| 345 | |
| 346 | |
| 347 | // |
| 348 | // IPv6AddressImpl |
| 349 | // |
| 350 | |
| 351 | |
| 352 | IPv6AddressImpl::IPv6AddressImpl(): _scope(0) |
| 353 | { |
| 354 | std::memset(&_addr, 0, sizeof(_addr)); |
| 355 | } |
| 356 | |
| 357 | |
| 358 | IPv6AddressImpl::IPv6AddressImpl(const void* addr): _scope(0) |
| 359 | { |
| 360 | std::memcpy(&_addr, addr, sizeof(_addr)); |
| 361 | } |
| 362 | |
| 363 | |
| 364 | IPv6AddressImpl::IPv6AddressImpl(const void* addr, Poco::UInt32 scope): _scope(scope) |
| 365 | { |
| 366 | std::memcpy(&_addr, addr, sizeof(_addr)); |
| 367 | } |
| 368 | |
| 369 | |
| 370 | IPv6AddressImpl::IPv6AddressImpl(const IPv6AddressImpl& addr): _scope(addr._scope) |
| 371 | { |
| 372 | std::memcpy((void*) &_addr, (void*) &addr._addr, sizeof(_addr)); |
| 373 | } |
| 374 | |
| 375 | |
| 376 | IPv6AddressImpl& IPv6AddressImpl::operator = (const IPv6AddressImpl& addr) |
| 377 | { |
| 378 | if (this == &addr) |
| 379 | return *this; |
| 380 | |
| 381 | _scope = addr._scope; |
| 382 | std::memcpy(&_addr, &addr._addr, sizeof(_addr)); |
| 383 | return *this; |
| 384 | } |
| 385 | |
| 386 | |
| 387 | IPv6AddressImpl::IPv6AddressImpl(unsigned prefix): |
| 388 | _scope(0) |
| 389 | { |
| 390 | unsigned i = 0; |
| 391 | #ifdef POCO_OS_FAMILY_WINDOWS |
| 392 | for (; prefix >= 16; ++i, prefix -= 16) |
| 393 | { |
| 394 | _addr.s6_addr16[i] = 0xffff; |
| 395 | } |
| 396 | if (prefix > 0) |
| 397 | { |
| 398 | _addr.s6_addr16[i++] = ByteOrder::toNetwork(static_cast<Poco::UInt16>(~(0xffff >> prefix))); |
| 399 | } |
| 400 | while (i < 8) |
| 401 | { |
| 402 | _addr.s6_addr16[i++] = 0; |
| 403 | } |
| 404 | #else |
| 405 | for (; prefix >= 32; ++i, prefix -= 32) |
| 406 | { |
| 407 | _addr.s6_addr32[i] = 0xffffffff; |
| 408 | } |
| 409 | if (prefix > 0) |
| 410 | { |
| 411 | _addr.s6_addr32[i++] = ByteOrder::toNetwork(~(0xffffffffU >> prefix)); |
| 412 | } |
| 413 | while (i < 4) |
| 414 | { |
| 415 | _addr.s6_addr32[i++] = 0; |
| 416 | } |
| 417 | #endif |
| 418 | } |
| 419 | |
| 420 | |
| 421 | std::string IPv6AddressImpl::toString() const |
| 422 | { |
| 423 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 424 | if ((isIPv4Compatible() && !isLoopback()) || isIPv4Mapped()) |
| 425 | { |
| 426 | std::string result; |
| 427 | result.reserve(24); |
| 428 | if (words[5] == 0) |
| 429 | result.append("::" ); |
| 430 | else |
| 431 | result.append("::ffff:" ); |
| 432 | const UInt8* bytes = reinterpret_cast<const UInt8*>(&_addr); |
| 433 | if (bytes[12] != 0) // only 0.0.0.0 can start with zero |
| 434 | { |
| 435 | NumberFormatter::append(result, bytes[12]); |
| 436 | result.append("." ); |
| 437 | NumberFormatter::append(result, bytes[13]); |
| 438 | result.append("." ); |
| 439 | NumberFormatter::append(result, bytes[14]); |
| 440 | result.append("." ); |
| 441 | NumberFormatter::append(result, bytes[15]); |
| 442 | } |
| 443 | return result; |
| 444 | } |
| 445 | else |
| 446 | { |
| 447 | std::string result; |
| 448 | result.reserve(64); |
| 449 | bool zeroSequence = false; |
| 450 | int i = 0; |
| 451 | while (i < 8) |
| 452 | { |
| 453 | if (!zeroSequence && words[i] == 0) |
| 454 | { |
| 455 | int zi = i; |
| 456 | while (zi < 8 && words[zi] == 0) ++zi; |
| 457 | if (zi > i + 1) |
| 458 | { |
| 459 | i = zi; |
| 460 | result.append(":" ); |
| 461 | zeroSequence = true; |
| 462 | } |
| 463 | } |
| 464 | if (i > 0) result.append(":" ); |
| 465 | if (i < 8) NumberFormatter::appendHex(result, ByteOrder::fromNetwork(words[i++])); |
| 466 | } |
| 467 | if (_scope > 0) |
| 468 | { |
| 469 | result.append("%" ); |
| 470 | #if defined(_WIN32) |
| 471 | NumberFormatter::append(result, _scope); |
| 472 | #else |
| 473 | char buffer[IFNAMSIZ]; |
| 474 | if (if_indextoname(_scope, buffer)) |
| 475 | { |
| 476 | result.append(buffer); |
| 477 | } |
| 478 | else |
| 479 | { |
| 480 | NumberFormatter::append(result, _scope); |
| 481 | } |
| 482 | #endif |
| 483 | } |
| 484 | return toLower(result); |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | |
| 489 | poco_socklen_t IPv6AddressImpl::length() const |
| 490 | { |
| 491 | return sizeof(_addr); |
| 492 | } |
| 493 | |
| 494 | |
| 495 | const void* IPv6AddressImpl::addr() const |
| 496 | { |
| 497 | return &_addr; |
| 498 | } |
| 499 | |
| 500 | |
| 501 | IPAddressImpl::Family IPv6AddressImpl::family() const |
| 502 | { |
| 503 | return AddressFamily::IPv6; |
| 504 | } |
| 505 | |
| 506 | |
| 507 | int IPv6AddressImpl::af() const |
| 508 | { |
| 509 | return AF_INET6; |
| 510 | } |
| 511 | |
| 512 | |
| 513 | unsigned IPv6AddressImpl::prefixLength() const |
| 514 | { |
| 515 | unsigned bits = 0; |
| 516 | unsigned bitPos = 128; |
| 517 | #if defined(POCO_OS_FAMILY_UNIX) |
| 518 | for (int i = 3; i >= 0; --i) |
| 519 | { |
| 520 | unsigned addr = ntohl(_addr.s6_addr32[i]); |
| 521 | if ((bits = maskBits(addr, 32))) return (bitPos - (32 - bits)); |
| 522 | bitPos -= 32; |
| 523 | } |
| 524 | return 0; |
| 525 | #elif defined(POCO_OS_FAMILY_WINDOWS) |
| 526 | for (int i = 7; i >= 0; --i) |
| 527 | { |
| 528 | unsigned short addr = ByteOrder::fromNetwork(_addr.s6_addr16[i]); |
| 529 | bits = maskBits(addr, 16); |
| 530 | if (bits) |
| 531 | return (bitPos - (16 - bits)); |
| 532 | bitPos -= 16; |
| 533 | } |
| 534 | return 0; |
| 535 | #else |
| 536 | #warning prefixLength() not implemented |
| 537 | throw NotImplementedException("prefixLength() not implemented" ); |
| 538 | #endif |
| 539 | } |
| 540 | |
| 541 | |
| 542 | Poco::UInt32 IPv6AddressImpl::scope() const |
| 543 | { |
| 544 | return _scope; |
| 545 | } |
| 546 | |
| 547 | |
| 548 | bool IPv6AddressImpl::isWildcard() const |
| 549 | { |
| 550 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 551 | return words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && |
| 552 | words[4] == 0 && words[5] == 0 && words[6] == 0 && words[7] == 0; |
| 553 | } |
| 554 | |
| 555 | |
| 556 | bool IPv6AddressImpl::isBroadcast() const |
| 557 | { |
| 558 | return false; |
| 559 | } |
| 560 | |
| 561 | |
| 562 | bool IPv6AddressImpl::isLoopback() const |
| 563 | { |
| 564 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 565 | return words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && |
| 566 | words[4] == 0 && words[5] == 0 && words[6] == 0 && ByteOrder::fromNetwork(words[7]) == 0x0001; |
| 567 | } |
| 568 | |
| 569 | |
| 570 | bool IPv6AddressImpl::isMulticast() const |
| 571 | { |
| 572 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 573 | return (ByteOrder::fromNetwork(words[0]) & 0xFFE0) == 0xFF00; |
| 574 | } |
| 575 | |
| 576 | |
| 577 | bool IPv6AddressImpl::isLinkLocal() const |
| 578 | { |
| 579 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 580 | return (ByteOrder::fromNetwork(words[0]) & 0xFFE0) == 0xFE80; |
| 581 | } |
| 582 | |
| 583 | |
| 584 | bool IPv6AddressImpl::isSiteLocal() const |
| 585 | { |
| 586 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 587 | return ((ByteOrder::fromNetwork(words[0]) & 0xFFE0) == 0xFEC0) || ((ByteOrder::fromNetwork(words[0]) & 0xFF00) == 0xFC00); |
| 588 | } |
| 589 | |
| 590 | |
| 591 | bool IPv6AddressImpl::isIPv4Compatible() const |
| 592 | { |
| 593 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 594 | return words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && words[4] == 0 && words[5] == 0; |
| 595 | } |
| 596 | |
| 597 | |
| 598 | bool IPv6AddressImpl::isIPv4Mapped() const |
| 599 | { |
| 600 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 601 | return words[0] == 0 && words[1] == 0 && words[2] == 0 && words[3] == 0 && words[4] == 0 && ByteOrder::fromNetwork(words[5]) == 0xFFFF; |
| 602 | } |
| 603 | |
| 604 | |
| 605 | bool IPv6AddressImpl::isWellKnownMC() const |
| 606 | { |
| 607 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 608 | return (ByteOrder::fromNetwork(words[0]) & 0xFFF0) == 0xFF00; |
| 609 | } |
| 610 | |
| 611 | |
| 612 | bool IPv6AddressImpl::isNodeLocalMC() const |
| 613 | { |
| 614 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 615 | return (ByteOrder::fromNetwork(words[0]) & 0xFFEF) == 0xFF01; |
| 616 | } |
| 617 | |
| 618 | |
| 619 | bool IPv6AddressImpl::isLinkLocalMC() const |
| 620 | { |
| 621 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 622 | return (ByteOrder::fromNetwork(words[0]) & 0xFFEF) == 0xFF02; |
| 623 | } |
| 624 | |
| 625 | |
| 626 | bool IPv6AddressImpl::isSiteLocalMC() const |
| 627 | { |
| 628 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 629 | return (ByteOrder::fromNetwork(words[0]) & 0xFFEF) == 0xFF05; |
| 630 | } |
| 631 | |
| 632 | |
| 633 | bool IPv6AddressImpl::isOrgLocalMC() const |
| 634 | { |
| 635 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 636 | return (ByteOrder::fromNetwork(words[0]) & 0xFFEF) == 0xFF08; |
| 637 | } |
| 638 | |
| 639 | |
| 640 | bool IPv6AddressImpl::isGlobalMC() const |
| 641 | { |
| 642 | const UInt16* words = reinterpret_cast<const UInt16*>(&_addr); |
| 643 | return (ByteOrder::fromNetwork(words[0]) & 0xFFEF) == 0xFF0F; |
| 644 | } |
| 645 | |
| 646 | |
| 647 | IPv6AddressImpl IPv6AddressImpl::parse(const std::string& addr) |
| 648 | { |
| 649 | if (addr.empty()) return IPv6AddressImpl(); |
| 650 | #if defined(_WIN32) |
| 651 | struct addrinfo* pAI; |
| 652 | struct addrinfo hints; |
| 653 | std::memset(&hints, 0, sizeof(hints)); |
| 654 | hints.ai_flags = AI_NUMERICHOST; |
| 655 | int rc = getaddrinfo(addr.c_str(), NULL, &hints, &pAI); |
| 656 | if (rc == 0) |
| 657 | { |
| 658 | IPv6AddressImpl result = IPv6AddressImpl(&reinterpret_cast<struct sockaddr_in6*>(pAI->ai_addr)->sin6_addr, static_cast<int>(reinterpret_cast<struct sockaddr_in6*>(pAI->ai_addr)->sin6_scope_id)); |
| 659 | freeaddrinfo(pAI); |
| 660 | return result; |
| 661 | } |
| 662 | else return IPv6AddressImpl(); |
| 663 | #else |
| 664 | struct in6_addr ia; |
| 665 | std::string::size_type pos = addr.find('%'); |
| 666 | if (std::string::npos != pos) |
| 667 | { |
| 668 | std::string::size_type start = ('[' == addr[0]) ? 1 : 0; |
| 669 | std::string unscopedAddr(addr, start, pos - start); |
| 670 | std::string scope(addr, pos + 1, addr.size() - start - pos); |
| 671 | Poco::UInt32 scopeId(0); |
| 672 | if (!(scopeId = if_nametoindex(scope.c_str()))) |
| 673 | return IPv6AddressImpl(); |
| 674 | if (inet_pton(AF_INET6, unscopedAddr.c_str(), &ia) == 1) |
| 675 | return IPv6AddressImpl(&ia, scopeId); |
| 676 | else |
| 677 | return IPv6AddressImpl(); |
| 678 | } |
| 679 | else |
| 680 | { |
| 681 | if (inet_pton(AF_INET6, addr.c_str(), &ia) == 1) |
| 682 | return IPv6AddressImpl(&ia); |
| 683 | else |
| 684 | return IPv6AddressImpl(); |
| 685 | } |
| 686 | #endif |
| 687 | } |
| 688 | |
| 689 | |
| 690 | void IPv6AddressImpl::mask(const IPAddressImpl* /*pMask*/, const IPAddressImpl* /*pSet*/) |
| 691 | { |
| 692 | throw Poco::NotImplementedException("mask() is only supported for IPv4 addresses" ); |
| 693 | } |
| 694 | |
| 695 | |
| 696 | IPAddressImpl* IPv6AddressImpl::clone() const |
| 697 | { |
| 698 | return new IPv6AddressImpl(*this); |
| 699 | } |
| 700 | |
| 701 | |
| 702 | IPv6AddressImpl IPv6AddressImpl::operator & (const IPv6AddressImpl& addr) const |
| 703 | { |
| 704 | if (_scope != addr._scope) |
| 705 | throw Poco::InvalidArgumentException("Scope ID of passed IPv6 address does not match with the source one." ); |
| 706 | |
| 707 | IPv6AddressImpl result(*this); |
| 708 | #ifdef POCO_OS_FAMILY_WINDOWS |
| 709 | result._addr.s6_addr16[0] &= addr._addr.s6_addr16[0]; |
| 710 | result._addr.s6_addr16[1] &= addr._addr.s6_addr16[1]; |
| 711 | result._addr.s6_addr16[2] &= addr._addr.s6_addr16[2]; |
| 712 | result._addr.s6_addr16[3] &= addr._addr.s6_addr16[3]; |
| 713 | result._addr.s6_addr16[4] &= addr._addr.s6_addr16[4]; |
| 714 | result._addr.s6_addr16[5] &= addr._addr.s6_addr16[5]; |
| 715 | result._addr.s6_addr16[6] &= addr._addr.s6_addr16[6]; |
| 716 | result._addr.s6_addr16[7] &= addr._addr.s6_addr16[7]; |
| 717 | #else |
| 718 | result._addr.s6_addr32[0] &= addr._addr.s6_addr32[0]; |
| 719 | result._addr.s6_addr32[1] &= addr._addr.s6_addr32[1]; |
| 720 | result._addr.s6_addr32[2] &= addr._addr.s6_addr32[2]; |
| 721 | result._addr.s6_addr32[3] &= addr._addr.s6_addr32[3]; |
| 722 | #endif |
| 723 | return result; |
| 724 | } |
| 725 | |
| 726 | |
| 727 | IPv6AddressImpl IPv6AddressImpl::operator | (const IPv6AddressImpl& addr) const |
| 728 | { |
| 729 | if (_scope != addr._scope) |
| 730 | throw Poco::InvalidArgumentException("Scope ID of passed IPv6 address does not match with the source one." ); |
| 731 | |
| 732 | IPv6AddressImpl result(*this); |
| 733 | #ifdef POCO_OS_FAMILY_WINDOWS |
| 734 | result._addr.s6_addr16[0] |= addr._addr.s6_addr16[0]; |
| 735 | result._addr.s6_addr16[1] |= addr._addr.s6_addr16[1]; |
| 736 | result._addr.s6_addr16[2] |= addr._addr.s6_addr16[2]; |
| 737 | result._addr.s6_addr16[3] |= addr._addr.s6_addr16[3]; |
| 738 | result._addr.s6_addr16[4] |= addr._addr.s6_addr16[4]; |
| 739 | result._addr.s6_addr16[5] |= addr._addr.s6_addr16[5]; |
| 740 | result._addr.s6_addr16[6] |= addr._addr.s6_addr16[6]; |
| 741 | result._addr.s6_addr16[7] |= addr._addr.s6_addr16[7]; |
| 742 | #else |
| 743 | result._addr.s6_addr32[0] |= addr._addr.s6_addr32[0]; |
| 744 | result._addr.s6_addr32[1] |= addr._addr.s6_addr32[1]; |
| 745 | result._addr.s6_addr32[2] |= addr._addr.s6_addr32[2]; |
| 746 | result._addr.s6_addr32[3] |= addr._addr.s6_addr32[3]; |
| 747 | #endif |
| 748 | return result; |
| 749 | } |
| 750 | |
| 751 | |
| 752 | IPv6AddressImpl IPv6AddressImpl::operator ^ (const IPv6AddressImpl& addr) const |
| 753 | { |
| 754 | if (_scope != addr._scope) |
| 755 | throw Poco::InvalidArgumentException("Scope ID of passed IPv6 address does not match with the source one." ); |
| 756 | |
| 757 | IPv6AddressImpl result(*this); |
| 758 | |
| 759 | #ifdef POCO_OS_FAMILY_WINDOWS |
| 760 | result._addr.s6_addr16[0] ^= addr._addr.s6_addr16[0]; |
| 761 | result._addr.s6_addr16[1] ^= addr._addr.s6_addr16[1]; |
| 762 | result._addr.s6_addr16[2] ^= addr._addr.s6_addr16[2]; |
| 763 | result._addr.s6_addr16[3] ^= addr._addr.s6_addr16[3]; |
| 764 | result._addr.s6_addr16[4] ^= addr._addr.s6_addr16[4]; |
| 765 | result._addr.s6_addr16[5] ^= addr._addr.s6_addr16[5]; |
| 766 | result._addr.s6_addr16[6] ^= addr._addr.s6_addr16[6]; |
| 767 | result._addr.s6_addr16[7] ^= addr._addr.s6_addr16[7]; |
| 768 | #else |
| 769 | result._addr.s6_addr32[0] ^= addr._addr.s6_addr32[0]; |
| 770 | result._addr.s6_addr32[1] ^= addr._addr.s6_addr32[1]; |
| 771 | result._addr.s6_addr32[2] ^= addr._addr.s6_addr32[2]; |
| 772 | result._addr.s6_addr32[3] ^= addr._addr.s6_addr32[3]; |
| 773 | #endif |
| 774 | return result; |
| 775 | } |
| 776 | |
| 777 | |
| 778 | IPv6AddressImpl IPv6AddressImpl::operator ~ () const |
| 779 | { |
| 780 | IPv6AddressImpl result(*this); |
| 781 | #ifdef POCO_OS_FAMILY_WINDOWS |
| 782 | result._addr.s6_addr16[0] ^= 0xffff; |
| 783 | result._addr.s6_addr16[1] ^= 0xffff; |
| 784 | result._addr.s6_addr16[2] ^= 0xffff; |
| 785 | result._addr.s6_addr16[3] ^= 0xffff; |
| 786 | result._addr.s6_addr16[4] ^= 0xffff; |
| 787 | result._addr.s6_addr16[5] ^= 0xffff; |
| 788 | result._addr.s6_addr16[6] ^= 0xffff; |
| 789 | result._addr.s6_addr16[7] ^= 0xffff; |
| 790 | #else |
| 791 | result._addr.s6_addr32[0] ^= 0xffffffff; |
| 792 | result._addr.s6_addr32[1] ^= 0xffffffff; |
| 793 | result._addr.s6_addr32[2] ^= 0xffffffff; |
| 794 | result._addr.s6_addr32[3] ^= 0xffffffff; |
| 795 | #endif |
| 796 | return result; |
| 797 | } |
| 798 | |
| 799 | |
| 800 | bool IPv6AddressImpl::operator == (const IPv6AddressImpl& addr) const |
| 801 | { |
| 802 | return _scope == addr._scope && 0 == std::memcmp(&addr._addr, &_addr, sizeof(_addr)); |
| 803 | } |
| 804 | |
| 805 | |
| 806 | bool IPv6AddressImpl::operator != (const IPv6AddressImpl& addr) const |
| 807 | { |
| 808 | return !(*this == addr); |
| 809 | } |
| 810 | |
| 811 | |
| 812 | #endif // POCO_HAVE_IPv6 |
| 813 | |
| 814 | |
| 815 | } } } // namespace Poco::Net::Impl |
| 816 | |