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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #if !defined(DART_IO_DISABLED) | |
| 6 | |
| 7 #include "platform/globals.h" | |
| 8 #if defined(HOST_OS_MACOS) | |
| 9 | |
| 10 #include "bin/socket_base.h" | |
| 11 | |
| 12 #include <errno.h> // NOLINT | |
| 13 #include <ifaddrs.h> // NOLINT | |
| 14 #include <net/if.h> // NOLINT | |
| 15 #include <netinet/tcp.h> // NOLINT | |
| 16 #include <stdio.h> // NOLINT | |
| 17 #include <stdlib.h> // NOLINT | |
| 18 #include <string.h> // NOLINT | |
| 19 #include <sys/stat.h> // NOLINT | |
| 20 #include <unistd.h> // NOLINT | |
| 21 | |
| 22 #include "bin/fdutils.h" | |
| 23 #include "bin/file.h" | |
| 24 #include "bin/socket_base_macos.h" | |
| 25 #include "platform/signal_blocker.h" | |
| 26 | |
| 27 namespace dart { | |
| 28 namespace bin { | |
| 29 | |
| 30 SocketAddress::SocketAddress(struct sockaddr* sa) { | |
| 31 ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN); | |
| 32 if (!SocketBase::FormatNumericAddress(*reinterpret_cast<RawAddr*>(sa), | |
| 33 as_string_, INET6_ADDRSTRLEN)) { | |
| 34 as_string_[0] = 0; | |
| 35 } | |
| 36 socklen_t salen = GetAddrLength(*reinterpret_cast<RawAddr*>(sa)); | |
| 37 memmove(reinterpret_cast<void*>(&addr_), sa, salen); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 bool SocketBase::FormatNumericAddress(const RawAddr& addr, | |
| 42 char* address, | |
| 43 int len) { | |
| 44 socklen_t salen = SocketAddress::GetAddrLength(addr); | |
| 45 return (NO_RETRY_EXPECTED(getnameinfo(&addr.addr, salen, address, len, NULL, | |
| 46 0, NI_NUMERICHOST)) == 0); | |
| 47 } | |
| 48 | |
| 49 | |
| 50 bool SocketBase::IsBindError(intptr_t error_number) { | |
| 51 return error_number == EADDRINUSE || error_number == EADDRNOTAVAIL || | |
| 52 error_number == EINVAL; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 intptr_t SocketBase::Available(intptr_t fd) { | |
| 57 return FDUtils::AvailableBytes(fd); | |
| 58 } | |
| 59 | |
| 60 | |
| 61 intptr_t SocketBase::Read(intptr_t fd, void* buffer, intptr_t num_bytes) { | |
| 62 ASSERT(fd >= 0); | |
| 63 ssize_t read_bytes = TEMP_FAILURE_RETRY(read(fd, buffer, num_bytes)); | |
| 64 ASSERT(EAGAIN == EWOULDBLOCK); | |
| 65 if ((read_bytes == -1) && (errno == EWOULDBLOCK)) { | |
| 66 // If the read would block we need to retry and therefore return 0 | |
| 67 // as the number of bytes written. | |
| 68 read_bytes = 0; | |
| 69 } | |
| 70 return read_bytes; | |
| 71 } | |
| 72 | |
| 73 | |
| 74 intptr_t SocketBase::RecvFrom(intptr_t fd, | |
| 75 void* buffer, | |
| 76 intptr_t num_bytes, | |
| 77 RawAddr* addr) { | |
| 78 ASSERT(fd >= 0); | |
| 79 socklen_t addr_len = sizeof(addr->ss); | |
| 80 ssize_t read_bytes = TEMP_FAILURE_RETRY( | |
| 81 recvfrom(fd, buffer, num_bytes, 0, &addr->addr, &addr_len)); | |
| 82 if ((read_bytes == -1) && (errno == EWOULDBLOCK)) { | |
| 83 // If the read would block we need to retry and therefore return 0 | |
| 84 // as the number of bytes written. | |
| 85 read_bytes = 0; | |
| 86 } | |
| 87 return read_bytes; | |
| 88 } | |
| 89 | |
| 90 | |
| 91 intptr_t SocketBase::Write(intptr_t fd, | |
| 92 const void* buffer, | |
| 93 intptr_t num_bytes) { | |
| 94 ASSERT(fd >= 0); | |
| 95 ssize_t written_bytes = TEMP_FAILURE_RETRY(write(fd, buffer, num_bytes)); | |
| 96 ASSERT(EAGAIN == EWOULDBLOCK); | |
| 97 if ((written_bytes == -1) && (errno == EWOULDBLOCK)) { | |
| 98 // If the would block we need to retry and therefore return 0 as | |
| 99 // the number of bytes written. | |
| 100 written_bytes = 0; | |
| 101 } | |
| 102 return written_bytes; | |
| 103 } | |
| 104 | |
| 105 | |
| 106 intptr_t SocketBase::SendTo(intptr_t fd, | |
| 107 const void* buffer, | |
| 108 intptr_t num_bytes, | |
| 109 const RawAddr& addr) { | |
| 110 ASSERT(fd >= 0); | |
| 111 ssize_t written_bytes = | |
| 112 TEMP_FAILURE_RETRY(sendto(fd, buffer, num_bytes, 0, &addr.addr, | |
| 113 SocketAddress::GetAddrLength(addr))); | |
| 114 ASSERT(EAGAIN == EWOULDBLOCK); | |
| 115 if ((written_bytes == -1) && (errno == EWOULDBLOCK)) { | |
| 116 // If the would block we need to retry and therefore return 0 as | |
| 117 // the number of bytes written. | |
| 118 written_bytes = 0; | |
| 119 } | |
| 120 return written_bytes; | |
| 121 } | |
| 122 | |
| 123 | |
| 124 intptr_t SocketBase::GetPort(intptr_t fd) { | |
| 125 ASSERT(fd >= 0); | |
| 126 RawAddr raw; | |
| 127 socklen_t size = sizeof(raw); | |
| 128 if (NO_RETRY_EXPECTED(getsockname(fd, &raw.addr, &size))) { | |
| 129 return 0; | |
| 130 } | |
| 131 return SocketAddress::GetAddrPort(raw); | |
| 132 } | |
| 133 | |
| 134 | |
| 135 SocketAddress* SocketBase::GetRemotePeer(intptr_t fd, intptr_t* port) { | |
| 136 ASSERT(fd >= 0); | |
| 137 RawAddr raw; | |
| 138 socklen_t size = sizeof(raw); | |
| 139 if (NO_RETRY_EXPECTED(getpeername(fd, &raw.addr, &size))) { | |
| 140 return NULL; | |
| 141 } | |
| 142 *port = SocketAddress::GetAddrPort(raw); | |
| 143 return new SocketAddress(&raw.addr); | |
| 144 } | |
| 145 | |
| 146 | |
| 147 void SocketBase::GetError(intptr_t fd, OSError* os_error) { | |
| 148 int len = sizeof(errno); | |
| 149 getsockopt(fd, SOL_SOCKET, SO_ERROR, &errno, | |
| 150 reinterpret_cast<socklen_t*>(&len)); | |
| 151 os_error->SetCodeAndMessage(OSError::kSystem, errno); | |
| 152 } | |
| 153 | |
| 154 | |
| 155 int SocketBase::GetType(intptr_t fd) { | |
| 156 struct stat buf; | |
| 157 int result = fstat(fd, &buf); | |
| 158 if (result == -1) { | |
| 159 return -1; | |
| 160 } | |
| 161 if (S_ISCHR(buf.st_mode)) { | |
| 162 return File::kTerminal; | |
| 163 } | |
| 164 if (S_ISFIFO(buf.st_mode)) { | |
| 165 return File::kPipe; | |
| 166 } | |
| 167 if (S_ISREG(buf.st_mode)) { | |
| 168 return File::kFile; | |
| 169 } | |
| 170 return File::kOther; | |
| 171 } | |
| 172 | |
| 173 | |
| 174 intptr_t SocketBase::GetStdioHandle(intptr_t num) { | |
| 175 return num; | |
| 176 } | |
| 177 | |
| 178 | |
| 179 AddressList<SocketAddress>* SocketBase::LookupAddress(const char* host, | |
| 180 int type, | |
| 181 OSError** os_error) { | |
| 182 // Perform a name lookup for a host name. | |
| 183 struct addrinfo hints; | |
| 184 memset(&hints, 0, sizeof(hints)); | |
| 185 hints.ai_family = SocketAddress::FromType(type); | |
| 186 hints.ai_socktype = SOCK_STREAM; | |
| 187 hints.ai_flags = 0; | |
| 188 hints.ai_protocol = IPPROTO_TCP; | |
| 189 struct addrinfo* info = NULL; | |
| 190 int status = getaddrinfo(host, 0, &hints, &info); | |
| 191 if (status != 0) { | |
| 192 ASSERT(*os_error == NULL); | |
| 193 *os_error = | |
| 194 new OSError(status, gai_strerror(status), OSError::kGetAddressInfo); | |
| 195 return NULL; | |
| 196 } | |
| 197 intptr_t count = 0; | |
| 198 for (struct addrinfo* c = info; c != NULL; c = c->ai_next) { | |
| 199 if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) { | |
| 200 count++; | |
| 201 } | |
| 202 } | |
| 203 intptr_t i = 0; | |
| 204 AddressList<SocketAddress>* addresses = new AddressList<SocketAddress>(count); | |
| 205 for (struct addrinfo* c = info; c != NULL; c = c->ai_next) { | |
| 206 if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) { | |
| 207 addresses->SetAt(i, new SocketAddress(c->ai_addr)); | |
| 208 i++; | |
| 209 } | |
| 210 } | |
| 211 freeaddrinfo(info); | |
| 212 return addresses; | |
| 213 } | |
| 214 | |
| 215 | |
| 216 bool SocketBase::ReverseLookup(const RawAddr& addr, | |
| 217 char* host, | |
| 218 intptr_t host_len, | |
| 219 OSError** os_error) { | |
| 220 ASSERT(host_len >= NI_MAXHOST); | |
| 221 int status = NO_RETRY_EXPECTED( | |
| 222 getnameinfo(&addr.addr, SocketAddress::GetAddrLength(addr), host, | |
| 223 host_len, NULL, 0, NI_NAMEREQD)); | |
| 224 if (status != 0) { | |
| 225 ASSERT(*os_error == NULL); | |
| 226 *os_error = | |
| 227 new OSError(status, gai_strerror(status), OSError::kGetAddressInfo); | |
| 228 return false; | |
| 229 } | |
| 230 return true; | |
| 231 } | |
| 232 | |
| 233 | |
| 234 bool SocketBase::ParseAddress(int type, const char* address, RawAddr* addr) { | |
| 235 int result; | |
| 236 if (type == SocketAddress::TYPE_IPV4) { | |
| 237 result = inet_pton(AF_INET, address, &addr->in.sin_addr); | |
| 238 } else { | |
| 239 ASSERT(type == SocketAddress::TYPE_IPV6); | |
| 240 result = inet_pton(AF_INET6, address, &addr->in6.sin6_addr); | |
| 241 } | |
| 242 return (result == 1); | |
| 243 } | |
| 244 | |
| 245 | |
| 246 static bool ShouldIncludeIfaAddrs(struct ifaddrs* ifa, int lookup_family) { | |
| 247 if (ifa->ifa_addr == NULL) { | |
| 248 // OpenVPN's virtual device tun0. | |
| 249 return false; | |
| 250 } | |
| 251 int family = ifa->ifa_addr->sa_family; | |
| 252 return ((lookup_family == family) || | |
| 253 ((lookup_family == AF_UNSPEC) && | |
| 254 ((family == AF_INET) || (family == AF_INET6)))); | |
| 255 } | |
| 256 | |
| 257 | |
| 258 bool SocketBase::ListInterfacesSupported() { | |
| 259 return true; | |
| 260 } | |
| 261 | |
| 262 | |
| 263 AddressList<InterfaceSocketAddress>* SocketBase::ListInterfaces( | |
| 264 int type, | |
| 265 OSError** os_error) { | |
| 266 struct ifaddrs* ifaddr; | |
| 267 | |
| 268 int status = getifaddrs(&ifaddr); | |
| 269 if (status != 0) { | |
| 270 ASSERT(*os_error == NULL); | |
| 271 *os_error = | |
| 272 new OSError(status, gai_strerror(status), OSError::kGetAddressInfo); | |
| 273 return NULL; | |
| 274 } | |
| 275 | |
| 276 int lookup_family = SocketAddress::FromType(type); | |
| 277 | |
| 278 intptr_t count = 0; | |
| 279 for (struct ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { | |
| 280 if (ShouldIncludeIfaAddrs(ifa, lookup_family)) { | |
| 281 count++; | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 AddressList<InterfaceSocketAddress>* addresses = | |
| 286 new AddressList<InterfaceSocketAddress>(count); | |
| 287 int i = 0; | |
| 288 for (struct ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { | |
| 289 if (ShouldIncludeIfaAddrs(ifa, lookup_family)) { | |
| 290 char* ifa_name = DartUtils::ScopedCopyCString(ifa->ifa_name); | |
| 291 addresses->SetAt( | |
| 292 i, new InterfaceSocketAddress(ifa->ifa_addr, ifa_name, | |
| 293 if_nametoindex(ifa->ifa_name))); | |
| 294 i++; | |
| 295 } | |
| 296 } | |
| 297 freeifaddrs(ifaddr); | |
| 298 return addresses; | |
| 299 } | |
| 300 | |
| 301 | |
| 302 void SocketBase::Close(intptr_t fd) { | |
| 303 ASSERT(fd >= 0); | |
| 304 VOID_TEMP_FAILURE_RETRY(close(fd)); | |
| 305 } | |
| 306 | |
| 307 | |
| 308 bool SocketBase::GetNoDelay(intptr_t fd, bool* enabled) { | |
| 309 int on; | |
| 310 socklen_t len = sizeof(on); | |
| 311 int err = NO_RETRY_EXPECTED(getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, | |
| 312 reinterpret_cast<void*>(&on), &len)); | |
| 313 if (err == 0) { | |
| 314 *enabled = (on == 1); | |
| 315 } | |
| 316 return (err == 0); | |
| 317 } | |
| 318 | |
| 319 | |
| 320 bool SocketBase::SetNoDelay(intptr_t fd, bool enabled) { | |
| 321 int on = enabled ? 1 : 0; | |
| 322 return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, | |
| 323 reinterpret_cast<char*>(&on), | |
| 324 sizeof(on))) == 0; | |
| 325 } | |
| 326 | |
| 327 | |
| 328 bool SocketBase::GetMulticastLoop(intptr_t fd, | |
| 329 intptr_t protocol, | |
| 330 bool* enabled) { | |
| 331 uint8_t on; | |
| 332 socklen_t len = sizeof(on); | |
| 333 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 334 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP | |
| 335 : IPV6_MULTICAST_LOOP; | |
| 336 if (NO_RETRY_EXPECTED(getsockopt(fd, level, optname, | |
| 337 reinterpret_cast<char*>(&on), &len)) == 0) { | |
| 338 *enabled = (on == 1); | |
| 339 return true; | |
| 340 } | |
| 341 return false; | |
| 342 } | |
| 343 | |
| 344 | |
| 345 bool SocketBase::SetMulticastLoop(intptr_t fd, | |
| 346 intptr_t protocol, | |
| 347 bool enabled) { | |
| 348 u_int on = enabled ? 1 : 0; | |
| 349 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 350 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP | |
| 351 : IPV6_MULTICAST_LOOP; | |
| 352 return NO_RETRY_EXPECTED(setsockopt( | |
| 353 fd, level, optname, reinterpret_cast<char*>(&on), sizeof(on))) == | |
| 354 0; | |
| 355 } | |
| 356 | |
| 357 | |
| 358 bool SocketBase::GetMulticastHops(intptr_t fd, intptr_t protocol, int* value) { | |
| 359 uint8_t v; | |
| 360 socklen_t len = sizeof(v); | |
| 361 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 362 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL | |
| 363 : IPV6_MULTICAST_HOPS; | |
| 364 if (NO_RETRY_EXPECTED(getsockopt(fd, level, optname, | |
| 365 reinterpret_cast<char*>(&v), &len)) == 0) { | |
| 366 *value = v; | |
| 367 return true; | |
| 368 } | |
| 369 return false; | |
| 370 } | |
| 371 | |
| 372 | |
| 373 bool SocketBase::SetMulticastHops(intptr_t fd, intptr_t protocol, int value) { | |
| 374 int v = value; | |
| 375 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 376 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL | |
| 377 : IPV6_MULTICAST_HOPS; | |
| 378 return NO_RETRY_EXPECTED(setsockopt( | |
| 379 fd, level, optname, reinterpret_cast<char*>(&v), sizeof(v))) == 0; | |
| 380 } | |
| 381 | |
| 382 | |
| 383 bool SocketBase::GetBroadcast(intptr_t fd, bool* enabled) { | |
| 384 int on; | |
| 385 socklen_t len = sizeof(on); | |
| 386 int err = NO_RETRY_EXPECTED(getsockopt(fd, SOL_SOCKET, SO_BROADCAST, | |
| 387 reinterpret_cast<char*>(&on), &len)); | |
| 388 if (err == 0) { | |
| 389 *enabled = (on == 1); | |
| 390 } | |
| 391 return (err == 0); | |
| 392 } | |
| 393 | |
| 394 | |
| 395 bool SocketBase::SetBroadcast(intptr_t fd, bool enabled) { | |
| 396 int on = enabled ? 1 : 0; | |
| 397 return NO_RETRY_EXPECTED(setsockopt(fd, SOL_SOCKET, SO_BROADCAST, | |
| 398 reinterpret_cast<char*>(&on), | |
| 399 sizeof(on))) == 0; | |
| 400 } | |
| 401 | |
| 402 | |
| 403 static bool JoinOrLeaveMulticast(intptr_t fd, | |
| 404 const RawAddr& addr, | |
| 405 const RawAddr& interface, | |
| 406 int interfaceIndex, | |
| 407 bool join) { | |
| 408 if (addr.addr.sa_family == AF_INET) { | |
| 409 ASSERT(interface.addr.sa_family == AF_INET); | |
| 410 struct ip_mreq mreq; | |
| 411 memmove(&mreq.imr_multiaddr, &addr.in.sin_addr, | |
| 412 SocketAddress::GetInAddrLength(addr)); | |
| 413 memmove(&mreq.imr_interface, &interface.in.sin_addr, | |
| 414 SocketAddress::GetInAddrLength(interface)); | |
| 415 if (join) { | |
| 416 return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
| 417 &mreq, sizeof(mreq))) == 0; | |
| 418 } else { | |
| 419 return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, | |
| 420 &mreq, sizeof(mreq))) == 0; | |
| 421 } | |
| 422 } else { | |
| 423 ASSERT(addr.addr.sa_family == AF_INET6); | |
| 424 struct ipv6_mreq mreq; | |
| 425 memmove(&mreq.ipv6mr_multiaddr, &addr.in6.sin6_addr, | |
| 426 SocketAddress::GetInAddrLength(addr)); | |
| 427 mreq.ipv6mr_interface = interfaceIndex; | |
| 428 if (join) { | |
| 429 return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, | |
| 430 &mreq, sizeof(mreq))) == 0; | |
| 431 } else { | |
| 432 return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_IPV6, IPV6_LEAVE_GROUP, | |
| 433 &mreq, sizeof(mreq))) == 0; | |
| 434 } | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 bool SocketBase::JoinMulticast(intptr_t fd, | |
| 439 const RawAddr& addr, | |
| 440 const RawAddr& interface, | |
| 441 int interfaceIndex) { | |
| 442 return JoinOrLeaveMulticast(fd, addr, interface, interfaceIndex, true); | |
| 443 } | |
| 444 | |
| 445 | |
| 446 bool SocketBase::LeaveMulticast(intptr_t fd, | |
| 447 const RawAddr& addr, | |
| 448 const RawAddr& interface, | |
| 449 int interfaceIndex) { | |
| 450 return JoinOrLeaveMulticast(fd, addr, interface, interfaceIndex, false); | |
| 451 } | |
| 452 | |
| 453 } // namespace bin | |
| 454 } // namespace dart | |
| 455 | |
| 456 #endif // defined(HOST_OS_MACOS) | |
| 457 | |
| 458 #endif // !defined(DART_IO_DISABLED) | |
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Chromium Code Reviews
Issue 2791163004:
Reverting until bots clear up. (Closed)
