1 #include "transporthandler.hpp" 2 3 using phosphor::logging::commit; 4 using phosphor::logging::elog; 5 using phosphor::logging::entry; 6 using phosphor::logging::level; 7 using phosphor::logging::log; 8 using sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 9 using sdbusplus::xyz::openbmc_project::Network::server::EthernetInterface; 10 using sdbusplus::xyz::openbmc_project::Network::server::IP; 11 using sdbusplus::xyz::openbmc_project::Network::server::Neighbor; 12 13 namespace cipher 14 { 15 16 std::vector<uint8_t> getCipherList() 17 { 18 std::vector<uint8_t> cipherList; 19 20 std::ifstream jsonFile(cipher::configFile); 21 if (!jsonFile.is_open()) 22 { 23 log<level::ERR>("Channel Cipher suites file not found"); 24 elog<InternalFailure>(); 25 } 26 27 auto data = Json::parse(jsonFile, nullptr, false); 28 if (data.is_discarded()) 29 { 30 log<level::ERR>("Parsing channel cipher suites JSON failed"); 31 elog<InternalFailure>(); 32 } 33 34 // Byte 1 is reserved 35 cipherList.push_back(0x00); 36 37 for (const auto& record : data) 38 { 39 cipherList.push_back(record.value(cipher, 0)); 40 } 41 42 return cipherList; 43 } 44 } // namespace cipher 45 46 namespace ipmi 47 { 48 namespace transport 49 { 50 51 /** @brief Valid address origins for IPv4 */ 52 const std::unordered_set<IP::AddressOrigin> originsV4 = { 53 IP::AddressOrigin::Static, 54 IP::AddressOrigin::DHCP, 55 }; 56 57 static constexpr uint8_t oemCmdStart = 192; 58 static constexpr uint8_t oemCmdEnd = 255; 59 60 std::optional<ChannelParams> maybeGetChannelParams(sdbusplus::bus::bus& bus, 61 uint8_t channel) 62 { 63 auto ifname = getChannelName(channel); 64 if (ifname.empty()) 65 { 66 return std::nullopt; 67 } 68 69 // Enumerate all VLAN + ETHERNET interfaces 70 auto req = bus.new_method_call(MAPPER_BUS_NAME, MAPPER_OBJ, MAPPER_INTF, 71 "GetSubTree"); 72 req.append(PATH_ROOT, 0, 73 std::vector<std::string>{INTF_VLAN, INTF_ETHERNET}); 74 auto reply = bus.call(req); 75 ObjectTree objs; 76 reply.read(objs); 77 78 ChannelParams params; 79 for (const auto& [path, impls] : objs) 80 { 81 if (path.find(ifname) == path.npos) 82 { 83 continue; 84 } 85 for (const auto& [service, intfs] : impls) 86 { 87 bool vlan = false; 88 bool ethernet = false; 89 for (const auto& intf : intfs) 90 { 91 if (intf == INTF_VLAN) 92 { 93 vlan = true; 94 } 95 else if (intf == INTF_ETHERNET) 96 { 97 ethernet = true; 98 } 99 } 100 if (params.service.empty() && (vlan || ethernet)) 101 { 102 params.service = service; 103 } 104 if (params.ifPath.empty() && !vlan && ethernet) 105 { 106 params.ifPath = path; 107 } 108 if (params.logicalPath.empty() && vlan) 109 { 110 params.logicalPath = path; 111 } 112 } 113 } 114 115 // We must have a path for the underlying interface 116 if (params.ifPath.empty()) 117 { 118 return std::nullopt; 119 } 120 // We don't have a VLAN so the logical path is the same 121 if (params.logicalPath.empty()) 122 { 123 params.logicalPath = params.ifPath; 124 } 125 126 params.id = channel; 127 params.ifname = std::move(ifname); 128 return std::move(params); 129 } 130 131 ChannelParams getChannelParams(sdbusplus::bus::bus& bus, uint8_t channel) 132 { 133 auto params = maybeGetChannelParams(bus, channel); 134 if (!params) 135 { 136 log<level::ERR>("Failed to get channel params", 137 entry("CHANNEL=%" PRIu8, channel)); 138 elog<InternalFailure>(); 139 } 140 return std::move(*params); 141 } 142 143 /** @brief Wraps the phosphor logging method to insert some additional metadata 144 * 145 * @param[in] params - The parameters for the channel 146 * ... 147 */ 148 template <auto level, typename... Args> 149 auto logWithChannel(const ChannelParams& params, Args&&... args) 150 { 151 return log<level>(std::forward<Args>(args)..., 152 entry("CHANNEL=%d", params.id), 153 entry("IFNAME=%s", params.ifname.c_str())); 154 } 155 template <auto level, typename... Args> 156 auto logWithChannel(const std::optional<ChannelParams>& params, Args&&... args) 157 { 158 if (params) 159 { 160 return logWithChannel<level>(*params, std::forward<Args>(args)...); 161 } 162 return log<level>(std::forward<Args>(args)...); 163 } 164 165 EthernetInterface::DHCPConf getDHCPProperty(sdbusplus::bus::bus& bus, 166 const ChannelParams& params) 167 { 168 std::string dhcpstr = std::get<std::string>(getDbusProperty( 169 bus, params.service, params.logicalPath, INTF_ETHERNET, "DHCPEnabled")); 170 return EthernetInterface::convertDHCPConfFromString(dhcpstr); 171 } 172 173 /** @brief Sets the DHCP v4 state on the given interface 174 * 175 * @param[in] bus - The bus object used for lookups 176 * @param[in] params - The parameters for the channel 177 * @param[in] requestedDhcp - DHCP state to assign 178 * (EthernetInterface::DHCPConf::none, 179 * EthernetInterface::DHCPConf::v4, 180 * EthernetInterface::DHCPConf::v6, 181 * EthernetInterface::DHCPConf::both) 182 */ 183 void setDHCPv4Property(sdbusplus::bus::bus& bus, const ChannelParams& params, 184 const EthernetInterface::DHCPConf requestedDhcp) 185 { 186 EthernetInterface::DHCPConf currentDhcp = getDHCPProperty(bus, params); 187 EthernetInterface::DHCPConf nextDhcp = EthernetInterface::DHCPConf::none; 188 189 // When calling setDHCPv4Property, requestedDhcp only has "v4" and "none". 190 // setDHCPv4Property is only for IPv4 management. It should not modify 191 // IPv6 state. 192 if (requestedDhcp == EthernetInterface::DHCPConf::v4) 193 { 194 if ((currentDhcp == EthernetInterface::DHCPConf::v6) || 195 (currentDhcp == EthernetInterface::DHCPConf::both)) 196 nextDhcp = EthernetInterface::DHCPConf::both; 197 else if ((currentDhcp == EthernetInterface::DHCPConf::v4) || 198 (currentDhcp == EthernetInterface::DHCPConf::none)) 199 nextDhcp = EthernetInterface::DHCPConf::v4; 200 } 201 else if (requestedDhcp == EthernetInterface::DHCPConf::none) 202 { 203 if ((currentDhcp == EthernetInterface::DHCPConf::v6) || 204 (currentDhcp == EthernetInterface::DHCPConf::both)) 205 nextDhcp = EthernetInterface::DHCPConf::v6; 206 else if ((currentDhcp == EthernetInterface::DHCPConf::v4) || 207 (currentDhcp == EthernetInterface::DHCPConf::none)) 208 nextDhcp = EthernetInterface::DHCPConf::none; 209 } 210 else // Stay the same. 211 { 212 nextDhcp = currentDhcp; 213 } 214 std::string newDhcp = 215 sdbusplus::xyz::openbmc_project::Network::server::convertForMessage( 216 nextDhcp); 217 setDbusProperty(bus, params.service, params.logicalPath, INTF_ETHERNET, 218 "DHCPEnabled", newDhcp); 219 } 220 221 void setDHCPv6Property(sdbusplus::bus::bus& bus, const ChannelParams& params, 222 const EthernetInterface::DHCPConf requestedDhcp, 223 const bool defaultMode = true) 224 { 225 EthernetInterface::DHCPConf currentDhcp = getDHCPProperty(bus, params); 226 EthernetInterface::DHCPConf nextDhcp = EthernetInterface::DHCPConf::none; 227 228 if (defaultMode) 229 { 230 // When calling setDHCPv6Property, requestedDhcp only has "v6" and 231 // "none". 232 // setDHCPv6Property is only for IPv6 management. It should not modify 233 // IPv4 state. 234 if (requestedDhcp == EthernetInterface::DHCPConf::v6) 235 { 236 if ((currentDhcp == EthernetInterface::DHCPConf::v4) || 237 (currentDhcp == EthernetInterface::DHCPConf::both)) 238 nextDhcp = EthernetInterface::DHCPConf::both; 239 else if ((currentDhcp == EthernetInterface::DHCPConf::v6) || 240 (currentDhcp == EthernetInterface::DHCPConf::none)) 241 nextDhcp = EthernetInterface::DHCPConf::v6; 242 } 243 else if (requestedDhcp == EthernetInterface::DHCPConf::none) 244 { 245 if ((currentDhcp == EthernetInterface::DHCPConf::v4) || 246 (currentDhcp == EthernetInterface::DHCPConf::both)) 247 nextDhcp = EthernetInterface::DHCPConf::v4; 248 else if ((currentDhcp == EthernetInterface::DHCPConf::v6) || 249 (currentDhcp == EthernetInterface::DHCPConf::none)) 250 nextDhcp = EthernetInterface::DHCPConf::none; 251 } 252 else // Stay the same. 253 { 254 nextDhcp = currentDhcp; 255 } 256 } 257 else 258 { 259 // allow the v6 call to set any value 260 nextDhcp = requestedDhcp; 261 } 262 263 std::string newDhcp = 264 sdbusplus::xyz::openbmc_project::Network::server::convertForMessage( 265 nextDhcp); 266 setDbusProperty(bus, params.service, params.logicalPath, INTF_ETHERNET, 267 "DHCPEnabled", newDhcp); 268 } 269 270 ether_addr stringToMAC(const char* mac) 271 { 272 const ether_addr* ret = ether_aton(mac); 273 if (ret == nullptr) 274 { 275 log<level::ERR>("Invalid MAC Address", entry("MAC=%s", mac)); 276 elog<InternalFailure>(); 277 } 278 return *ret; 279 } 280 281 /** @brief Determines the MAC of the ethernet interface 282 * 283 * @param[in] bus - The bus object used for lookups 284 * @param[in] params - The parameters for the channel 285 * @return The configured mac address 286 */ 287 ether_addr getMACProperty(sdbusplus::bus::bus& bus, const ChannelParams& params) 288 { 289 auto macStr = std::get<std::string>(getDbusProperty( 290 bus, params.service, params.ifPath, INTF_MAC, "MACAddress")); 291 return stringToMAC(macStr.c_str()); 292 } 293 294 /** @brief Sets the system value for MAC address on the given interface 295 * 296 * @param[in] bus - The bus object used for lookups 297 * @param[in] params - The parameters for the channel 298 * @param[in] mac - MAC address to apply 299 */ 300 void setMACProperty(sdbusplus::bus::bus& bus, const ChannelParams& params, 301 const ether_addr& mac) 302 { 303 std::string macStr = ether_ntoa(&mac); 304 setDbusProperty(bus, params.service, params.ifPath, INTF_MAC, "MACAddress", 305 macStr); 306 } 307 308 void deleteObjectIfExists(sdbusplus::bus::bus& bus, const std::string& service, 309 const std::string& path) 310 { 311 if (path.empty()) 312 { 313 return; 314 } 315 try 316 { 317 auto req = bus.new_method_call(service.c_str(), path.c_str(), 318 ipmi::DELETE_INTERFACE, "Delete"); 319 bus.call_noreply(req); 320 } 321 catch (const sdbusplus::exception::exception& e) 322 { 323 if (strcmp(e.name(), 324 "xyz.openbmc_project.Common.Error.InternalFailure") != 0 && 325 strcmp(e.name(), "org.freedesktop.DBus.Error.UnknownObject") != 0) 326 { 327 // We want to rethrow real errors 328 throw; 329 } 330 } 331 } 332 333 /** @brief Sets the address info configured for the interface 334 * If a previous address path exists then it will be removed 335 * before the new address is added. 336 * 337 * @param[in] bus - The bus object used for lookups 338 * @param[in] params - The parameters for the channel 339 * @param[in] address - The address of the new IP 340 * @param[in] prefix - The prefix of the new IP 341 */ 342 template <int family> 343 void createIfAddr(sdbusplus::bus::bus& bus, const ChannelParams& params, 344 const typename AddrFamily<family>::addr& address, 345 uint8_t prefix) 346 { 347 auto newreq = 348 bus.new_method_call(params.service.c_str(), params.logicalPath.c_str(), 349 INTF_IP_CREATE, "IP"); 350 std::string protocol = 351 sdbusplus::xyz::openbmc_project::Network::server::convertForMessage( 352 AddrFamily<family>::protocol); 353 newreq.append(protocol, addrToString<family>(address), prefix, ""); 354 bus.call_noreply(newreq); 355 } 356 357 /** @brief Trivial helper for getting the IPv4 address from getIfAddrs() 358 * 359 * @param[in] bus - The bus object used for lookups 360 * @param[in] params - The parameters for the channel 361 * @return The address and prefix if found 362 */ 363 auto getIfAddr4(sdbusplus::bus::bus& bus, const ChannelParams& params) 364 { 365 return getIfAddr<AF_INET>(bus, params, 0, originsV4); 366 } 367 368 /** @brief Reconfigures the IPv4 address info configured for the interface 369 * 370 * @param[in] bus - The bus object used for lookups 371 * @param[in] params - The parameters for the channel 372 * @param[in] address - The new address if specified 373 * @param[in] prefix - The new address prefix if specified 374 */ 375 void reconfigureIfAddr4(sdbusplus::bus::bus& bus, const ChannelParams& params, 376 const std::optional<in_addr>& address, 377 std::optional<uint8_t> prefix) 378 { 379 auto ifaddr = getIfAddr4(bus, params); 380 if (!ifaddr && !address) 381 { 382 log<level::ERR>("Missing address for IPv4 assignment"); 383 elog<InternalFailure>(); 384 } 385 uint8_t fallbackPrefix = AddrFamily<AF_INET>::defaultPrefix; 386 if (ifaddr) 387 { 388 fallbackPrefix = ifaddr->prefix; 389 deleteObjectIfExists(bus, params.service, ifaddr->path); 390 } 391 createIfAddr<AF_INET>(bus, params, address.value_or(ifaddr->address), 392 prefix.value_or(fallbackPrefix)); 393 } 394 395 template <int family> 396 std::optional<IfNeigh<family>> findGatewayNeighbor(sdbusplus::bus::bus& bus, 397 const ChannelParams& params, 398 ObjectLookupCache& neighbors) 399 { 400 auto gateway = getGatewayProperty<family>(bus, params); 401 if (!gateway) 402 { 403 return std::nullopt; 404 } 405 406 return findStaticNeighbor<family>(bus, params, *gateway, neighbors); 407 } 408 409 template <int family> 410 std::optional<IfNeigh<family>> getGatewayNeighbor(sdbusplus::bus::bus& bus, 411 const ChannelParams& params) 412 { 413 ObjectLookupCache neighbors(bus, params, INTF_NEIGHBOR); 414 return findGatewayNeighbor<family>(bus, params, neighbors); 415 } 416 417 template <int family> 418 void reconfigureGatewayMAC(sdbusplus::bus::bus& bus, 419 const ChannelParams& params, const ether_addr& mac) 420 { 421 auto gateway = getGatewayProperty<family>(bus, params); 422 if (!gateway) 423 { 424 log<level::ERR>("Tried to set Gateway MAC without Gateway"); 425 elog<InternalFailure>(); 426 } 427 428 ObjectLookupCache neighbors(bus, params, INTF_NEIGHBOR); 429 auto neighbor = 430 findStaticNeighbor<family>(bus, params, *gateway, neighbors); 431 if (neighbor) 432 { 433 deleteObjectIfExists(bus, params.service, neighbor->path); 434 } 435 436 createNeighbor<family>(bus, params, *gateway, mac); 437 } 438 439 /** @brief Deconfigures the IPv6 address info configured for the interface 440 * 441 * @param[in] bus - The bus object used for lookups 442 * @param[in] params - The parameters for the channel 443 * @param[in] idx - The address index to operate on 444 */ 445 void deconfigureIfAddr6(sdbusplus::bus::bus& bus, const ChannelParams& params, 446 uint8_t idx) 447 { 448 auto ifaddr = getIfAddr<AF_INET6>(bus, params, idx, originsV6Static); 449 if (ifaddr) 450 { 451 deleteObjectIfExists(bus, params.service, ifaddr->path); 452 } 453 } 454 455 /** @brief Reconfigures the IPv6 address info configured for the interface 456 * 457 * @param[in] bus - The bus object used for lookups 458 * @param[in] params - The parameters for the channel 459 * @param[in] idx - The address index to operate on 460 * @param[in] address - The new address 461 * @param[in] prefix - The new address prefix 462 */ 463 void reconfigureIfAddr6(sdbusplus::bus::bus& bus, const ChannelParams& params, 464 uint8_t idx, const in6_addr& address, uint8_t prefix) 465 { 466 deconfigureIfAddr6(bus, params, idx); 467 createIfAddr<AF_INET6>(bus, params, address, prefix); 468 } 469 470 /** @brief Converts the AddressOrigin into an IPv6Source 471 * 472 * @param[in] origin - The DBus Address Origin to convert 473 * @return The IPv6Source version of the origin 474 */ 475 IPv6Source originToSourceType(IP::AddressOrigin origin) 476 { 477 switch (origin) 478 { 479 case IP::AddressOrigin::Static: 480 return IPv6Source::Static; 481 case IP::AddressOrigin::DHCP: 482 return IPv6Source::DHCP; 483 case IP::AddressOrigin::SLAAC: 484 return IPv6Source::SLAAC; 485 default: 486 { 487 auto originStr = sdbusplus::xyz::openbmc_project::Network::server:: 488 convertForMessage(origin); 489 log<level::ERR>( 490 "Invalid IP::AddressOrigin conversion to IPv6Source", 491 entry("ORIGIN=%s", originStr.c_str())); 492 elog<InternalFailure>(); 493 } 494 } 495 } 496 497 /** @brief Packs the IPMI message response with IPv6 address data 498 * 499 * @param[out] ret - The IPMI response payload to be packed 500 * @param[in] channel - The channel id corresponding to an ethernet interface 501 * @param[in] set - The set selector for determining address index 502 * @param[in] origins - Set of valid origins for address filtering 503 */ 504 void getLanIPv6Address(message::Payload& ret, uint8_t channel, uint8_t set, 505 const std::unordered_set<IP::AddressOrigin>& origins) 506 { 507 auto source = IPv6Source::Static; 508 bool enabled = false; 509 in6_addr addr{}; 510 uint8_t prefix{}; 511 auto status = IPv6AddressStatus::Disabled; 512 513 auto ifaddr = channelCall<getIfAddr<AF_INET6>>(channel, set, origins); 514 if (ifaddr) 515 { 516 source = originToSourceType(ifaddr->origin); 517 enabled = (origins == originsV6Static); 518 addr = ifaddr->address; 519 prefix = ifaddr->prefix; 520 status = IPv6AddressStatus::Active; 521 } 522 523 ret.pack(set); 524 ret.pack(types::enum_cast<uint4_t>(source), uint3_t{}, enabled); 525 ret.pack(std::string_view(reinterpret_cast<char*>(&addr), sizeof(addr))); 526 ret.pack(prefix); 527 ret.pack(types::enum_cast<uint8_t>(status)); 528 } 529 530 /** @brief Gets the vlan ID configured on the interface 531 * 532 * @param[in] bus - The bus object used for lookups 533 * @param[in] params - The parameters for the channel 534 * @return VLAN id or the standard 0 for no VLAN 535 */ 536 uint16_t getVLANProperty(sdbusplus::bus::bus& bus, const ChannelParams& params) 537 { 538 // VLAN devices will always have a separate logical object 539 if (params.ifPath == params.logicalPath) 540 { 541 return 0; 542 } 543 544 auto vlan = std::get<uint32_t>(getDbusProperty( 545 bus, params.service, params.logicalPath, INTF_VLAN, "Id")); 546 if ((vlan & VLAN_VALUE_MASK) != vlan) 547 { 548 logWithChannel<level::ERR>(params, "networkd returned an invalid vlan", 549 entry("VLAN=%" PRIu32, vlan)); 550 elog<InternalFailure>(); 551 } 552 return vlan; 553 } 554 555 /** @brief Deletes all of the possible configuration parameters for a channel 556 * 557 * @param[in] bus - The bus object used for lookups 558 * @param[in] params - The parameters for the channel 559 */ 560 void deconfigureChannel(sdbusplus::bus::bus& bus, ChannelParams& params) 561 { 562 // Delete all objects associated with the interface 563 auto objreq = bus.new_method_call(MAPPER_BUS_NAME, MAPPER_OBJ, MAPPER_INTF, 564 "GetSubTree"); 565 objreq.append(PATH_ROOT, 0, std::vector<std::string>{DELETE_INTERFACE}); 566 auto objreply = bus.call(objreq); 567 ObjectTree objs; 568 objreply.read(objs); 569 for (const auto& [path, impls] : objs) 570 { 571 if (path.find(params.ifname) == path.npos) 572 { 573 continue; 574 } 575 for (const auto& [service, intfs] : impls) 576 { 577 deleteObjectIfExists(bus, service, path); 578 } 579 // Update params to reflect the deletion of vlan 580 if (path == params.logicalPath) 581 { 582 params.logicalPath = params.ifPath; 583 } 584 } 585 586 // Clear out any settings on the lower physical interface 587 setDHCPv6Property(bus, params, EthernetInterface::DHCPConf::none, false); 588 } 589 590 /** @brief Creates a new VLAN on the specified interface 591 * 592 * @param[in] bus - The bus object used for lookups 593 * @param[in] params - The parameters for the channel 594 * @param[in] vlan - The id of the new vlan 595 */ 596 void createVLAN(sdbusplus::bus::bus& bus, ChannelParams& params, uint16_t vlan) 597 { 598 if (vlan == 0) 599 { 600 return; 601 } 602 603 auto req = bus.new_method_call(params.service.c_str(), PATH_ROOT, 604 INTF_VLAN_CREATE, "VLAN"); 605 req.append(params.ifname, static_cast<uint32_t>(vlan)); 606 auto reply = bus.call(req); 607 sdbusplus::message::object_path newPath; 608 reply.read(newPath); 609 params.logicalPath = std::move(newPath); 610 } 611 612 /** @brief Performs the necessary reconfiguration to change the VLAN 613 * 614 * @param[in] bus - The bus object used for lookups 615 * @param[in] params - The parameters for the channel 616 * @param[in] vlan - The new vlan id to use 617 */ 618 void reconfigureVLAN(sdbusplus::bus::bus& bus, ChannelParams& params, 619 uint16_t vlan) 620 { 621 // Unfortunatetly we don't have built-in functions to migrate our interface 622 // customizations to new VLAN interfaces, or have some kind of decoupling. 623 // We therefore must retain all of our old information, setup the new VLAN 624 // configuration, then restore the old info. 625 626 // Save info from the old logical interface 627 ObjectLookupCache ips(bus, params, INTF_IP); 628 auto ifaddr4 = findIfAddr<AF_INET>(bus, params, 0, originsV4, ips); 629 std::vector<IfAddr<AF_INET6>> ifaddrs6; 630 for (uint8_t i = 0; i < MAX_IPV6_STATIC_ADDRESSES; ++i) 631 { 632 auto ifaddr6 = 633 findIfAddr<AF_INET6>(bus, params, i, originsV6Static, ips); 634 if (!ifaddr6) 635 { 636 break; 637 } 638 ifaddrs6.push_back(std::move(*ifaddr6)); 639 } 640 EthernetInterface::DHCPConf dhcp = getDHCPProperty(bus, params); 641 ObjectLookupCache neighbors(bus, params, INTF_NEIGHBOR); 642 auto neighbor4 = findGatewayNeighbor<AF_INET>(bus, params, neighbors); 643 auto neighbor6 = findGatewayNeighbor<AF_INET6>(bus, params, neighbors); 644 645 deconfigureChannel(bus, params); 646 createVLAN(bus, params, vlan); 647 648 // Re-establish the saved settings 649 setDHCPv6Property(bus, params, dhcp, false); 650 if (ifaddr4) 651 { 652 createIfAddr<AF_INET>(bus, params, ifaddr4->address, ifaddr4->prefix); 653 } 654 for (const auto& ifaddr6 : ifaddrs6) 655 { 656 createIfAddr<AF_INET6>(bus, params, ifaddr6.address, ifaddr6.prefix); 657 } 658 if (neighbor4) 659 { 660 createNeighbor<AF_INET>(bus, params, neighbor4->ip, neighbor4->mac); 661 } 662 if (neighbor6) 663 { 664 createNeighbor<AF_INET6>(bus, params, neighbor6->ip, neighbor6->mac); 665 } 666 } 667 668 /** @brief Turns a prefix into a netmask 669 * 670 * @param[in] prefix - The prefix length 671 * @return The netmask 672 */ 673 in_addr prefixToNetmask(uint8_t prefix) 674 { 675 if (prefix > 32) 676 { 677 log<level::ERR>("Invalid prefix", entry("PREFIX=%" PRIu8, prefix)); 678 elog<InternalFailure>(); 679 } 680 if (prefix == 0) 681 { 682 // Avoids 32-bit lshift by 32 UB 683 return {}; 684 } 685 return {htobe32(~UINT32_C(0) << (32 - prefix))}; 686 } 687 688 /** @brief Turns a a netmask into a prefix length 689 * 690 * @param[in] netmask - The netmask in byte form 691 * @return The prefix length 692 */ 693 uint8_t netmaskToPrefix(in_addr netmask) 694 { 695 uint32_t x = be32toh(netmask.s_addr); 696 if ((~x & (~x + 1)) != 0) 697 { 698 char maskStr[INET_ADDRSTRLEN]; 699 inet_ntop(AF_INET, &netmask, maskStr, sizeof(maskStr)); 700 log<level::ERR>("Invalid netmask", entry("NETMASK=%s", maskStr)); 701 elog<InternalFailure>(); 702 } 703 return static_cast<bool>(x) 704 ? AddrFamily<AF_INET>::defaultPrefix - __builtin_ctz(x) 705 : 0; 706 } 707 708 // We need to store this value so it can be returned to the client 709 // It is volatile so safe to store in daemon memory. 710 static std::unordered_map<uint8_t, SetStatus> setStatus; 711 712 // Until we have good support for fixed versions of IPMI tool 713 // we need to return the VLAN id for disabled VLANs. The value is only 714 // used for verification that a disable operation succeeded and will only 715 // be sent if our system indicates that vlans are disabled. 716 static std::unordered_map<uint8_t, uint16_t> lastDisabledVlan; 717 718 /** @brief Gets the set status for the channel if it exists 719 * Otherise populates and returns the default value. 720 * 721 * @param[in] channel - The channel id corresponding to an ethernet interface 722 * @return A reference to the SetStatus for the channel 723 */ 724 SetStatus& getSetStatus(uint8_t channel) 725 { 726 auto it = setStatus.find(channel); 727 if (it != setStatus.end()) 728 { 729 return it->second; 730 } 731 return setStatus[channel] = SetStatus::Complete; 732 } 733 734 /** @brief Gets the IPv6 Router Advertisement value 735 * 736 * @param[in] bus - The bus object used for lookups 737 * @param[in] params - The parameters for the channel 738 * @return networkd IPV6AcceptRA value 739 */ 740 static bool getIPv6AcceptRA(sdbusplus::bus::bus& bus, 741 const ChannelParams& params) 742 { 743 auto raEnabled = 744 std::get<bool>(getDbusProperty(bus, params.service, params.logicalPath, 745 INTF_ETHERNET, "IPv6AcceptRA")); 746 return raEnabled; 747 } 748 749 /** @brief Sets the IPv6AcceptRA flag 750 * 751 * @param[in] bus - The bus object used for lookups 752 * @param[in] params - The parameters for the channel 753 * @param[in] ipv6AcceptRA - boolean to enable/disable IPv6 Routing 754 * Advertisement 755 */ 756 void setIPv6AcceptRA(sdbusplus::bus::bus& bus, const ChannelParams& params, 757 const bool ipv6AcceptRA) 758 { 759 setDbusProperty(bus, params.service, params.logicalPath, INTF_ETHERNET, 760 "IPv6AcceptRA", ipv6AcceptRA); 761 } 762 763 /** 764 * Define placeholder command handlers for the OEM Extension bytes for the Set 765 * LAN Configuration Parameters and Get LAN Configuration Parameters 766 * commands. Using "weak" linking allows the placeholder setLanOem/getLanOem 767 * functions below to be overridden. 768 * To create handlers for your own proprietary command set: 769 * Create/modify a phosphor-ipmi-host Bitbake append file within your Yocto 770 * recipe 771 * Create C++ file(s) that define IPMI handler functions matching the 772 * function names below (i.e. setLanOem). The default name for the 773 * transport IPMI commands is transporthandler_oem.cpp. 774 * Add: 775 * EXTRA_OECONF_append = " --enable-transport-oem=yes" 776 * Create a do_compile_prepend()/do_install_append method in your 777 * bbappend file to copy the file to the build directory. 778 * Add: 779 * PROJECT_SRC_DIR := "${THISDIR}/${PN}" 780 * # Copy the "strong" functions into the working directory, overriding the 781 * # placeholder functions. 782 * do_compile_prepend(){ 783 * cp -f ${PROJECT_SRC_DIR}/transporthandler_oem.cpp ${S} 784 * } 785 * 786 * # Clean up after complilation has completed 787 * do_install_append(){ 788 * rm -f ${S}/transporthandler_oem.cpp 789 * } 790 * 791 */ 792 793 /** 794 * Define the placeholder OEM commands as having weak linkage. Create 795 * setLanOem, and getLanOem functions in the transporthandler_oem.cpp 796 * file. The functions defined there must not have the "weak" attribute 797 * applied to them. 798 */ 799 RspType<> setLanOem(uint8_t channel, uint8_t parameter, message::Payload& req) 800 __attribute__((weak)); 801 RspType<message::Payload> getLanOem(uint8_t channel, uint8_t parameter, 802 uint8_t set, uint8_t block) 803 __attribute__((weak)); 804 805 RspType<> setLanOem(uint8_t channel, uint8_t parameter, message::Payload& req) 806 { 807 req.trailingOk = true; 808 return response(ccParamNotSupported); 809 } 810 811 RspType<message::Payload> getLanOem(uint8_t channel, uint8_t parameter, 812 uint8_t set, uint8_t block) 813 { 814 return response(ccParamNotSupported); 815 } 816 /** 817 * @brief is MAC address valid. 818 * 819 * This function checks whether the MAC address is valid or not. 820 * 821 * @param[in] mac - MAC address. 822 * @return true if MAC address is valid else retun false. 823 **/ 824 bool isValidMACAddress(const ether_addr& mac) 825 { 826 // check if mac address is empty 827 if (equal(mac, ether_addr{})) 828 { 829 return false; 830 } 831 // we accept only unicast MAC addresses and same thing has been checked in 832 // phosphor-network layer. If the least significant bit of the first octet 833 // is set to 1, it is multicast MAC else it is unicast MAC address. 834 if (mac.ether_addr_octet[0] & 1) 835 { 836 return false; 837 } 838 return true; 839 } 840 841 RspType<> setLan(Context::ptr ctx, uint4_t channelBits, uint4_t reserved1, 842 uint8_t parameter, message::Payload& req) 843 { 844 const uint8_t channel = convertCurrentChannelNum( 845 static_cast<uint8_t>(channelBits), ctx->channel); 846 if (reserved1 || !isValidChannel(channel)) 847 { 848 log<level::ERR>("Set Lan - Invalid field in request"); 849 req.trailingOk = true; 850 return responseInvalidFieldRequest(); 851 } 852 853 switch (static_cast<LanParam>(parameter)) 854 { 855 case LanParam::SetStatus: 856 { 857 uint2_t flag; 858 uint6_t rsvd; 859 if (req.unpack(flag, rsvd) != 0 || !req.fullyUnpacked()) 860 { 861 return responseReqDataLenInvalid(); 862 } 863 if (rsvd) 864 { 865 return responseInvalidFieldRequest(); 866 } 867 auto status = static_cast<SetStatus>(static_cast<uint8_t>(flag)); 868 switch (status) 869 { 870 case SetStatus::Complete: 871 { 872 getSetStatus(channel) = status; 873 return responseSuccess(); 874 } 875 case SetStatus::InProgress: 876 { 877 auto& storedStatus = getSetStatus(channel); 878 if (storedStatus == SetStatus::InProgress) 879 { 880 return response(ccParamSetLocked); 881 } 882 storedStatus = status; 883 return responseSuccess(); 884 } 885 case SetStatus::Commit: 886 if (getSetStatus(channel) != SetStatus::InProgress) 887 { 888 return responseInvalidFieldRequest(); 889 } 890 return responseSuccess(); 891 } 892 return response(ccParamNotSupported); 893 } 894 case LanParam::AuthSupport: 895 { 896 req.trailingOk = true; 897 return response(ccParamReadOnly); 898 } 899 case LanParam::AuthEnables: 900 { 901 req.trailingOk = true; 902 return response(ccParamReadOnly); 903 } 904 case LanParam::IP: 905 { 906 EthernetInterface::DHCPConf dhcp = 907 channelCall<getDHCPProperty>(channel); 908 if ((dhcp == EthernetInterface::DHCPConf::v4) || 909 (dhcp == EthernetInterface::DHCPConf::both)) 910 { 911 return responseCommandNotAvailable(); 912 } 913 in_addr ip; 914 std::array<uint8_t, sizeof(ip)> bytes; 915 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 916 { 917 return responseReqDataLenInvalid(); 918 } 919 copyInto(ip, bytes); 920 channelCall<reconfigureIfAddr4>(channel, ip, std::nullopt); 921 return responseSuccess(); 922 } 923 case LanParam::IPSrc: 924 { 925 uint4_t flag; 926 uint4_t rsvd; 927 if (req.unpack(flag, rsvd) != 0 || !req.fullyUnpacked()) 928 { 929 return responseReqDataLenInvalid(); 930 } 931 if (rsvd) 932 { 933 return responseInvalidFieldRequest(); 934 } 935 switch (static_cast<IPSrc>(static_cast<uint8_t>(flag))) 936 { 937 case IPSrc::DHCP: 938 { 939 // The IPSrc IPMI command is only for IPv4 940 // management. Modifying IPv6 state is done using 941 // a completely different Set LAN Configuration 942 // subcommand. 943 channelCall<setDHCPv4Property>( 944 channel, EthernetInterface::DHCPConf::v4); 945 return responseSuccess(); 946 } 947 case IPSrc::Unspecified: 948 case IPSrc::Static: 949 { 950 channelCall<setDHCPv4Property>( 951 channel, EthernetInterface::DHCPConf::none); 952 return responseSuccess(); 953 } 954 case IPSrc::BIOS: 955 case IPSrc::BMC: 956 { 957 return responseInvalidFieldRequest(); 958 } 959 } 960 return response(ccParamNotSupported); 961 } 962 case LanParam::MAC: 963 { 964 ether_addr mac; 965 std::array<uint8_t, sizeof(mac)> bytes; 966 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 967 { 968 return responseReqDataLenInvalid(); 969 } 970 copyInto(mac, bytes); 971 972 if (!isValidMACAddress(mac)) 973 { 974 return responseInvalidFieldRequest(); 975 } 976 channelCall<setMACProperty>(channel, mac); 977 return responseSuccess(); 978 } 979 case LanParam::SubnetMask: 980 { 981 EthernetInterface::DHCPConf dhcp = 982 channelCall<getDHCPProperty>(channel); 983 if ((dhcp == EthernetInterface::DHCPConf::v4) || 984 (dhcp == EthernetInterface::DHCPConf::both)) 985 { 986 return responseCommandNotAvailable(); 987 } 988 in_addr netmask; 989 std::array<uint8_t, sizeof(netmask)> bytes; 990 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 991 { 992 return responseReqDataLenInvalid(); 993 } 994 copyInto(netmask, bytes); 995 channelCall<reconfigureIfAddr4>(channel, std::nullopt, 996 netmaskToPrefix(netmask)); 997 return responseSuccess(); 998 } 999 case LanParam::Gateway1: 1000 { 1001 EthernetInterface::DHCPConf dhcp = 1002 channelCall<getDHCPProperty>(channel); 1003 if ((dhcp == EthernetInterface::DHCPConf::v4) || 1004 (dhcp == EthernetInterface::DHCPConf::both)) 1005 { 1006 return responseCommandNotAvailable(); 1007 } 1008 in_addr gateway; 1009 std::array<uint8_t, sizeof(gateway)> bytes; 1010 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 1011 { 1012 return responseReqDataLenInvalid(); 1013 } 1014 copyInto(gateway, bytes); 1015 channelCall<setGatewayProperty<AF_INET>>(channel, gateway); 1016 return responseSuccess(); 1017 } 1018 case LanParam::Gateway1MAC: 1019 { 1020 ether_addr gatewayMAC; 1021 std::array<uint8_t, sizeof(gatewayMAC)> bytes; 1022 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 1023 { 1024 return responseReqDataLenInvalid(); 1025 } 1026 copyInto(gatewayMAC, bytes); 1027 channelCall<reconfigureGatewayMAC<AF_INET>>(channel, gatewayMAC); 1028 return responseSuccess(); 1029 } 1030 case LanParam::VLANId: 1031 { 1032 uint12_t vlanData = 0; 1033 uint3_t reserved = 0; 1034 bool vlanEnable = 0; 1035 1036 if (req.unpack(vlanData) || req.unpack(reserved) || 1037 req.unpack(vlanEnable) || !req.fullyUnpacked()) 1038 { 1039 return responseReqDataLenInvalid(); 1040 } 1041 1042 if (reserved) 1043 { 1044 return responseInvalidFieldRequest(); 1045 } 1046 1047 uint16_t vlan = static_cast<uint16_t>(vlanData); 1048 1049 if (!vlanEnable) 1050 { 1051 lastDisabledVlan[channel] = vlan; 1052 vlan = 0; 1053 } 1054 else if (vlan == 0 || vlan == VLAN_VALUE_MASK) 1055 { 1056 return responseInvalidFieldRequest(); 1057 } 1058 1059 channelCall<reconfigureVLAN>(channel, vlan); 1060 return responseSuccess(); 1061 } 1062 case LanParam::CiphersuiteSupport: 1063 case LanParam::CiphersuiteEntries: 1064 case LanParam::IPFamilySupport: 1065 { 1066 req.trailingOk = true; 1067 return response(ccParamReadOnly); 1068 } 1069 case LanParam::IPFamilyEnables: 1070 { 1071 uint8_t enables; 1072 if (req.unpack(enables) != 0 || !req.fullyUnpacked()) 1073 { 1074 return responseReqDataLenInvalid(); 1075 } 1076 switch (static_cast<IPFamilyEnables>(enables)) 1077 { 1078 case IPFamilyEnables::DualStack: 1079 return responseSuccess(); 1080 case IPFamilyEnables::IPv4Only: 1081 case IPFamilyEnables::IPv6Only: 1082 return response(ccParamNotSupported); 1083 } 1084 return response(ccParamNotSupported); 1085 } 1086 case LanParam::IPv6Status: 1087 { 1088 req.trailingOk = true; 1089 return response(ccParamReadOnly); 1090 } 1091 case LanParam::IPv6StaticAddresses: 1092 { 1093 uint8_t set; 1094 uint7_t rsvd; 1095 bool enabled; 1096 in6_addr ip; 1097 std::array<uint8_t, sizeof(ip)> ipbytes; 1098 uint8_t prefix; 1099 uint8_t status; 1100 if (req.unpack(set, rsvd, enabled, ipbytes, prefix, status) != 0 || 1101 !req.fullyUnpacked()) 1102 { 1103 return responseReqDataLenInvalid(); 1104 } 1105 if (rsvd) 1106 { 1107 return responseInvalidFieldRequest(); 1108 } 1109 copyInto(ip, ipbytes); 1110 if (enabled) 1111 { 1112 try 1113 { 1114 channelCall<reconfigureIfAddr6>(channel, set, ip, prefix); 1115 } 1116 catch (const sdbusplus::exception::exception& e) 1117 { 1118 if (std::string_view err{ 1119 "xyz.openbmc_project.Common.Error.InvalidArgument"}; 1120 err == e.name()) 1121 { 1122 return responseInvalidFieldRequest(); 1123 } 1124 else 1125 { 1126 throw; 1127 } 1128 } 1129 } 1130 else 1131 { 1132 channelCall<deconfigureIfAddr6>(channel, set); 1133 } 1134 return responseSuccess(); 1135 } 1136 case LanParam::IPv6DynamicAddresses: 1137 { 1138 req.trailingOk = true; 1139 return response(ccParamReadOnly); 1140 } 1141 case LanParam::IPv6RouterControl: 1142 { 1143 std::bitset<8> control; 1144 constexpr uint8_t reservedRACCBits = 0xfc; 1145 if (req.unpack(control) != 0 || !req.fullyUnpacked()) 1146 { 1147 return responseReqDataLenInvalid(); 1148 } 1149 if (std::bitset<8> expected(control & 1150 std::bitset<8>(reservedRACCBits)); 1151 expected.any()) 1152 { 1153 return response(ccParamNotSupported); 1154 } 1155 1156 bool enableRA = control[IPv6RouterControlFlag::Dynamic]; 1157 channelCall<setIPv6AcceptRA>(channel, enableRA); 1158 return responseSuccess(); 1159 } 1160 case LanParam::IPv6StaticRouter1IP: 1161 { 1162 in6_addr gateway; 1163 std::array<uint8_t, sizeof(gateway)> bytes; 1164 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 1165 { 1166 return responseReqDataLenInvalid(); 1167 } 1168 copyInto(gateway, bytes); 1169 channelCall<setGatewayProperty<AF_INET6>>(channel, gateway); 1170 return responseSuccess(); 1171 } 1172 case LanParam::IPv6StaticRouter1MAC: 1173 { 1174 ether_addr mac; 1175 std::array<uint8_t, sizeof(mac)> bytes; 1176 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 1177 { 1178 return responseReqDataLenInvalid(); 1179 } 1180 copyInto(mac, bytes); 1181 channelCall<reconfigureGatewayMAC<AF_INET6>>(channel, mac); 1182 return responseSuccess(); 1183 } 1184 case LanParam::IPv6StaticRouter1PrefixLength: 1185 { 1186 uint8_t prefix; 1187 if (req.unpack(prefix) != 0 || !req.fullyUnpacked()) 1188 { 1189 return responseReqDataLenInvalid(); 1190 } 1191 if (prefix != 0) 1192 { 1193 return responseInvalidFieldRequest(); 1194 } 1195 return responseSuccess(); 1196 } 1197 case LanParam::IPv6StaticRouter1PrefixValue: 1198 { 1199 std::array<uint8_t, sizeof(in6_addr)> bytes; 1200 if (req.unpack(bytes) != 0 || !req.fullyUnpacked()) 1201 { 1202 return responseReqDataLenInvalid(); 1203 } 1204 // Accept any prefix value since our prefix length has to be 0 1205 return responseSuccess(); 1206 } 1207 case LanParam::cipherSuitePrivilegeLevels: 1208 { 1209 uint8_t reserved; 1210 std::array<uint4_t, ipmi::maxCSRecords> cipherSuitePrivs; 1211 1212 if (req.unpack(reserved, cipherSuitePrivs) || !req.fullyUnpacked()) 1213 { 1214 return responseReqDataLenInvalid(); 1215 } 1216 1217 if (reserved) 1218 { 1219 return responseInvalidFieldRequest(); 1220 } 1221 1222 uint8_t resp = 1223 getCipherConfigObject(csPrivFileName, csPrivDefaultFileName) 1224 .setCSPrivilegeLevels(channel, cipherSuitePrivs); 1225 if (!resp) 1226 { 1227 return responseSuccess(); 1228 } 1229 else 1230 { 1231 req.trailingOk = true; 1232 return response(resp); 1233 } 1234 } 1235 } 1236 1237 if ((parameter >= oemCmdStart) && (parameter <= oemCmdEnd)) 1238 { 1239 return setLanOem(channel, parameter, req); 1240 } 1241 1242 req.trailingOk = true; 1243 return response(ccParamNotSupported); 1244 } 1245 1246 RspType<message::Payload> getLan(Context::ptr ctx, uint4_t channelBits, 1247 uint3_t reserved, bool revOnly, 1248 uint8_t parameter, uint8_t set, uint8_t block) 1249 { 1250 message::Payload ret; 1251 constexpr uint8_t current_revision = 0x11; 1252 ret.pack(current_revision); 1253 1254 if (revOnly) 1255 { 1256 return responseSuccess(std::move(ret)); 1257 } 1258 1259 const uint8_t channel = convertCurrentChannelNum( 1260 static_cast<uint8_t>(channelBits), ctx->channel); 1261 if (reserved || !isValidChannel(channel)) 1262 { 1263 log<level::ERR>("Get Lan - Invalid field in request"); 1264 return responseInvalidFieldRequest(); 1265 } 1266 1267 static std::vector<uint8_t> cipherList; 1268 static bool listInit = false; 1269 if (!listInit) 1270 { 1271 try 1272 { 1273 cipherList = cipher::getCipherList(); 1274 listInit = true; 1275 } 1276 catch (const std::exception& e) 1277 { 1278 } 1279 } 1280 1281 switch (static_cast<LanParam>(parameter)) 1282 { 1283 case LanParam::SetStatus: 1284 { 1285 SetStatus status; 1286 try 1287 { 1288 status = setStatus.at(channel); 1289 } 1290 catch (const std::out_of_range&) 1291 { 1292 status = SetStatus::Complete; 1293 } 1294 ret.pack(types::enum_cast<uint2_t>(status), uint6_t{}); 1295 return responseSuccess(std::move(ret)); 1296 } 1297 case LanParam::AuthSupport: 1298 { 1299 std::bitset<6> support; 1300 ret.pack(support, uint2_t{}); 1301 return responseSuccess(std::move(ret)); 1302 } 1303 case LanParam::AuthEnables: 1304 { 1305 std::bitset<6> enables; 1306 ret.pack(enables, uint2_t{}); // Callback 1307 ret.pack(enables, uint2_t{}); // User 1308 ret.pack(enables, uint2_t{}); // Operator 1309 ret.pack(enables, uint2_t{}); // Admin 1310 ret.pack(enables, uint2_t{}); // OEM 1311 return responseSuccess(std::move(ret)); 1312 } 1313 case LanParam::IP: 1314 { 1315 auto ifaddr = channelCall<getIfAddr4>(channel); 1316 in_addr addr{}; 1317 if (ifaddr) 1318 { 1319 addr = ifaddr->address; 1320 } 1321 ret.pack(dataRef(addr)); 1322 return responseSuccess(std::move(ret)); 1323 } 1324 case LanParam::IPSrc: 1325 { 1326 auto src = IPSrc::Static; 1327 EthernetInterface::DHCPConf dhcp = 1328 channelCall<getDHCPProperty>(channel); 1329 if ((dhcp == EthernetInterface::DHCPConf::v4) || 1330 (dhcp == EthernetInterface::DHCPConf::both)) 1331 { 1332 src = IPSrc::DHCP; 1333 } 1334 ret.pack(types::enum_cast<uint4_t>(src), uint4_t{}); 1335 return responseSuccess(std::move(ret)); 1336 } 1337 case LanParam::MAC: 1338 { 1339 ether_addr mac = channelCall<getMACProperty>(channel); 1340 ret.pack(dataRef(mac)); 1341 return responseSuccess(std::move(ret)); 1342 } 1343 case LanParam::SubnetMask: 1344 { 1345 auto ifaddr = channelCall<getIfAddr4>(channel); 1346 uint8_t prefix = AddrFamily<AF_INET>::defaultPrefix; 1347 if (ifaddr) 1348 { 1349 prefix = ifaddr->prefix; 1350 } 1351 in_addr netmask = prefixToNetmask(prefix); 1352 ret.pack(dataRef(netmask)); 1353 return responseSuccess(std::move(ret)); 1354 } 1355 case LanParam::Gateway1: 1356 { 1357 auto gateway = 1358 channelCall<getGatewayProperty<AF_INET>>(channel).value_or( 1359 in_addr{}); 1360 ret.pack(dataRef(gateway)); 1361 return responseSuccess(std::move(ret)); 1362 } 1363 case LanParam::Gateway1MAC: 1364 { 1365 ether_addr mac{}; 1366 auto neighbor = channelCall<getGatewayNeighbor<AF_INET>>(channel); 1367 if (neighbor) 1368 { 1369 mac = neighbor->mac; 1370 } 1371 ret.pack(dataRef(mac)); 1372 return responseSuccess(std::move(ret)); 1373 } 1374 case LanParam::VLANId: 1375 { 1376 uint16_t vlan = channelCall<getVLANProperty>(channel); 1377 if (vlan != 0) 1378 { 1379 vlan |= VLAN_ENABLE_FLAG; 1380 } 1381 else 1382 { 1383 vlan = lastDisabledVlan[channel]; 1384 } 1385 ret.pack(vlan); 1386 return responseSuccess(std::move(ret)); 1387 } 1388 case LanParam::CiphersuiteSupport: 1389 { 1390 if (getChannelSessionSupport(channel) == 1391 EChannelSessSupported::none) 1392 { 1393 return responseInvalidFieldRequest(); 1394 } 1395 if (!listInit) 1396 { 1397 return responseUnspecifiedError(); 1398 } 1399 ret.pack(static_cast<uint8_t>(cipherList.size() - 1)); 1400 return responseSuccess(std::move(ret)); 1401 } 1402 case LanParam::CiphersuiteEntries: 1403 { 1404 if (getChannelSessionSupport(channel) == 1405 EChannelSessSupported::none) 1406 { 1407 return responseInvalidFieldRequest(); 1408 } 1409 if (!listInit) 1410 { 1411 return responseUnspecifiedError(); 1412 } 1413 ret.pack(cipherList); 1414 return responseSuccess(std::move(ret)); 1415 } 1416 case LanParam::IPFamilySupport: 1417 { 1418 std::bitset<8> support; 1419 support[IPFamilySupportFlag::IPv6Only] = 0; 1420 support[IPFamilySupportFlag::DualStack] = 1; 1421 support[IPFamilySupportFlag::IPv6Alerts] = 1; 1422 ret.pack(support); 1423 return responseSuccess(std::move(ret)); 1424 } 1425 case LanParam::IPFamilyEnables: 1426 { 1427 ret.pack(static_cast<uint8_t>(IPFamilyEnables::DualStack)); 1428 return responseSuccess(std::move(ret)); 1429 } 1430 case LanParam::IPv6Status: 1431 { 1432 ret.pack(MAX_IPV6_STATIC_ADDRESSES); 1433 ret.pack(MAX_IPV6_DYNAMIC_ADDRESSES); 1434 std::bitset<8> support; 1435 support[IPv6StatusFlag::DHCP] = 1; 1436 support[IPv6StatusFlag::SLAAC] = 1; 1437 ret.pack(support); 1438 return responseSuccess(std::move(ret)); 1439 } 1440 case LanParam::IPv6StaticAddresses: 1441 { 1442 if (set >= MAX_IPV6_STATIC_ADDRESSES) 1443 { 1444 return responseParmOutOfRange(); 1445 } 1446 getLanIPv6Address(ret, channel, set, originsV6Static); 1447 return responseSuccess(std::move(ret)); 1448 } 1449 case LanParam::IPv6DynamicAddresses: 1450 { 1451 if (set >= MAX_IPV6_DYNAMIC_ADDRESSES) 1452 { 1453 return responseParmOutOfRange(); 1454 } 1455 getLanIPv6Address(ret, channel, set, originsV6Dynamic); 1456 return responseSuccess(std::move(ret)); 1457 } 1458 case LanParam::IPv6RouterControl: 1459 { 1460 std::bitset<8> control; 1461 control[IPv6RouterControlFlag::Dynamic] = 1462 channelCall<getIPv6AcceptRA>(channel); 1463 control[IPv6RouterControlFlag::Static] = 1; 1464 ret.pack(control); 1465 return responseSuccess(std::move(ret)); 1466 } 1467 case LanParam::IPv6StaticRouter1IP: 1468 { 1469 in6_addr gateway{}; 1470 EthernetInterface::DHCPConf dhcp = 1471 channelCall<getDHCPProperty>(channel); 1472 if ((dhcp == EthernetInterface::DHCPConf::v4) || 1473 (dhcp == EthernetInterface::DHCPConf::none)) 1474 { 1475 gateway = 1476 channelCall<getGatewayProperty<AF_INET6>>(channel).value_or( 1477 in6_addr{}); 1478 } 1479 ret.pack(dataRef(gateway)); 1480 return responseSuccess(std::move(ret)); 1481 } 1482 case LanParam::IPv6StaticRouter1MAC: 1483 { 1484 ether_addr mac{}; 1485 auto neighbor = channelCall<getGatewayNeighbor<AF_INET6>>(channel); 1486 if (neighbor) 1487 { 1488 mac = neighbor->mac; 1489 } 1490 ret.pack(dataRef(mac)); 1491 return responseSuccess(std::move(ret)); 1492 } 1493 case LanParam::IPv6StaticRouter1PrefixLength: 1494 { 1495 ret.pack(UINT8_C(0)); 1496 return responseSuccess(std::move(ret)); 1497 } 1498 case LanParam::IPv6StaticRouter1PrefixValue: 1499 { 1500 in6_addr prefix{}; 1501 ret.pack(dataRef(prefix)); 1502 return responseSuccess(std::move(ret)); 1503 } 1504 case LanParam::cipherSuitePrivilegeLevels: 1505 { 1506 std::array<uint4_t, ipmi::maxCSRecords> csPrivilegeLevels; 1507 1508 uint8_t resp = 1509 getCipherConfigObject(csPrivFileName, csPrivDefaultFileName) 1510 .getCSPrivilegeLevels(channel, csPrivilegeLevels); 1511 if (!resp) 1512 { 1513 constexpr uint8_t reserved1 = 0x00; 1514 ret.pack(reserved1, csPrivilegeLevels); 1515 return responseSuccess(std::move(ret)); 1516 } 1517 else 1518 { 1519 return response(resp); 1520 } 1521 } 1522 } 1523 1524 if ((parameter >= oemCmdStart) && (parameter <= oemCmdEnd)) 1525 { 1526 return getLanOem(channel, parameter, set, block); 1527 } 1528 1529 return response(ccParamNotSupported); 1530 } 1531 1532 } // namespace transport 1533 } // namespace ipmi 1534 1535 void register_netfn_transport_functions() __attribute__((constructor)); 1536 1537 void register_netfn_transport_functions() 1538 { 1539 ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnTransport, 1540 ipmi::transport::cmdSetLanConfigParameters, 1541 ipmi::Privilege::Admin, ipmi::transport::setLan); 1542 ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnTransport, 1543 ipmi::transport::cmdGetLanConfigParameters, 1544 ipmi::Privilege::Operator, ipmi::transport::getLan); 1545 } 1546