1 #include "channel.hpp" 2 #include "types.hpp" 3 #include "transporthandler.hpp" 4 #include "utils.hpp" 5 #include "net.hpp" 6 7 #include <string> 8 #include <arpa/inet.h> 9 10 #include <phosphor-logging/log.hpp> 11 #include <phosphor-logging/elog-errors.hpp> 12 #include "xyz/openbmc_project/Common/error.hpp" 13 14 constexpr auto ipv4Protocol = "xyz.openbmc_project.Network.IP.Protocol.IPv4"; 15 16 using namespace phosphor::logging; 17 using namespace sdbusplus::xyz::openbmc_project::Common::Error; 18 19 /** @struct SetChannelAccessRequest 20 * 21 * IPMI payload for Set Channel access command request. 22 */ 23 struct SetChannelAccessRequest 24 { 25 uint8_t channelNumber; //!< Channel number. 26 uint8_t setting; //!< The setting values. 27 uint8_t privilegeLevelLimit; //!< The Privilege Level Limit 28 } __attribute__((packed)); 29 30 /** @struct GetChannelAccessRequest 31 * 32 * IPMI payload for Get Channel access command request. 33 */ 34 struct GetChannelAccessRequest 35 { 36 uint8_t channelNumber; //!< Channel number. 37 uint8_t volatileSetting; //!< Get non-volatile or the volatile setting. 38 } __attribute__((packed)); 39 40 /** @struct GetChannelAccessResponse 41 * 42 * IPMI payload for Get Channel access command response. 43 */ 44 struct GetChannelAccessResponse 45 { 46 uint8_t settings; //!< Channel settings. 47 uint8_t privilegeLimit; //!< Channel privilege level limit. 48 } __attribute__((packed)); 49 50 ipmi_ret_t ipmi_set_channel_access(ipmi_netfn_t netfn, 51 ipmi_cmd_t cmd, 52 ipmi_request_t request, 53 ipmi_response_t response, 54 ipmi_data_len_t data_len, 55 ipmi_context_t context) 56 { 57 ipmi_ret_t rc = IPMI_CC_OK; 58 59 std::string ipaddress; 60 std::string gateway; 61 uint8_t prefix {}; 62 uint32_t vlanID {}; 63 std::string networkInterfacePath; 64 ipmi::DbusObjectInfo ipObject; 65 ipmi::DbusObjectInfo systemObject; 66 67 if (*data_len < sizeof(SetChannelAccessRequest)) 68 { 69 return IPMI_CC_INVALID; 70 } 71 72 auto requestData = reinterpret_cast<const SetChannelAccessRequest*> 73 (request); 74 int channel = requestData->channelNumber & CHANNEL_MASK; 75 auto ethdevice = ipmi::network::ChanneltoEthernet(channel); 76 if (ethdevice.empty()) 77 { 78 return IPMI_CC_INVALID_FIELD_REQUEST; 79 } 80 auto ethIp = ethdevice + "/" + ipmi::network::IP_TYPE; 81 auto channelConf = getChannelConfig(channel); 82 83 // Todo: parse the request data if needed. 84 // Using Set Channel cmd to apply changes of Set Lan Cmd. 85 try 86 { 87 sdbusplus::bus::bus bus(ipmid_get_sd_bus_connection()); 88 89 log<level::INFO>("Network data from Cache", 90 entry("PREFIX=%s", channelConf->netmask.c_str()), 91 entry("ADDRESS=%s", channelConf->ipaddr.c_str()), 92 entry("GATEWAY=%s", channelConf->gateway.c_str()), 93 entry("VLAN=%d", channelConf->vlanID), 94 entry("IPSRC=%d", channelConf->ipsrc)); 95 96 if (channelConf->vlanID != ipmi::network::VLAN_ID_MASK) 97 { 98 //get the first twelve bits which is vlan id 99 //not interested in rest of the bits. 100 channelConf->vlanID = le32toh(channelConf->vlanID); 101 vlanID = channelConf->vlanID & ipmi::network::VLAN_ID_MASK; 102 } 103 104 // if the asked ip src is DHCP then not interested in 105 // any given data except vlan. 106 if (channelConf->ipsrc != ipmi::network::IPOrigin::DHCP) 107 { 108 // always get the system object 109 systemObject = ipmi::getDbusObject( 110 bus, 111 ipmi::network::SYSTEMCONFIG_INTERFACE, 112 ipmi::network::ROOT); 113 114 // the below code is to determine the mode of the interface 115 // as the handling is same, if the system is configured with 116 // DHCP or user has given all the data. 117 try 118 { 119 ipmi::ObjectTree ancestorMap; 120 121 ipmi::InterfaceList interfaces { 122 ipmi::network::ETHERNET_INTERFACE }; 123 124 // if the system is having ip object,then 125 // get the IP object. 126 ipObject = ipmi::getDbusObject(bus, 127 ipmi::network::IP_INTERFACE, 128 ipmi::network::ROOT, 129 ethIp); 130 131 // Get the parent interface of the IP object. 132 try 133 { 134 ancestorMap = ipmi::getAllAncestors(bus, 135 ipObject.first, 136 std::move(interfaces)); 137 } 138 catch (InternalFailure& e) 139 { 140 // if unable to get the parent interface 141 // then commit the error and return. 142 log<level::ERR>("Unable to get the parent interface", 143 entry("PATH=%s", ipObject.first.c_str()), 144 entry("INTERFACE=%s", 145 ipmi::network::ETHERNET_INTERFACE)); 146 commit<InternalFailure>(); 147 rc = IPMI_CC_UNSPECIFIED_ERROR; 148 channelConf->clear(); 149 return rc; 150 } 151 152 networkInterfacePath = ancestorMap.begin()->first; 153 } 154 catch (InternalFailure& e) 155 { 156 // TODO Currently IPMI supports single interface,need to handle 157 // Multiple interface through 158 // https://github.com/openbmc/openbmc/issues/2138 159 160 // if there is no ip configured on the system,then 161 // get the network interface object. 162 auto networkInterfaceObject = ipmi::getDbusObject( 163 bus, 164 ipmi::network::ETHERNET_INTERFACE, 165 ipmi::network::ROOT, 166 ethdevice); 167 168 networkInterfacePath = std::move(networkInterfaceObject.first); 169 } 170 171 // get the configured mode on the system. 172 auto enableDHCP = ipmi::getDbusProperty( 173 bus, 174 ipmi::network::SERVICE, 175 networkInterfacePath, 176 ipmi::network::ETHERNET_INTERFACE, 177 "DHCPEnabled").get<bool>(); 178 179 // if ip address source is not given then get the ip source mode 180 // from the system so that it can be applied later. 181 if (channelConf->ipsrc == ipmi::network::IPOrigin::UNSPECIFIED) 182 { 183 channelConf->ipsrc = (enableDHCP) ? 184 ipmi::network::IPOrigin::DHCP : 185 ipmi::network::IPOrigin::STATIC; 186 } 187 188 // check whether user has given all the data 189 // or the configured system interface is dhcp enabled, 190 // in both of the cases get the values from the cache. 191 if ((!channelConf->ipaddr.empty() && 192 !channelConf->netmask.empty() && 193 !channelConf->gateway.empty()) || 194 (enableDHCP)) // configured system interface mode = DHCP 195 { 196 //convert mask into prefix 197 ipaddress = channelConf->ipaddr; 198 prefix = ipmi::network::toPrefix(AF_INET, channelConf->netmask); 199 gateway = channelConf->gateway; 200 } 201 else // asked ip src = static and configured system src = static 202 // or partially given data. 203 { 204 // We have partial filled cache so get the remaining 205 // info from the system. 206 207 // Get the network data from the system as user has 208 // not given all the data then use the data fetched from the 209 // system but it is implementation dependent,IPMI spec doesn't 210 // force it. 211 212 // if system is not having any ip object don't throw error, 213 try 214 { 215 auto properties = ipmi::getAllDbusProperties( 216 bus, 217 ipObject.second, 218 ipObject.first, 219 ipmi::network::IP_INTERFACE); 220 221 ipaddress = channelConf->ipaddr.empty() ? 222 properties["Address"].get<std::string>() : 223 channelConf->ipaddr; 224 225 prefix = channelConf->netmask.empty() ? 226 properties["PrefixLength"].get<uint8_t>() : 227 ipmi::network::toPrefix(AF_INET, 228 channelConf->netmask); 229 } 230 catch (InternalFailure& e) 231 { 232 log<level::INFO>("Failed to get IP object which matches", 233 entry("INTERFACE=%s", ipmi::network::IP_INTERFACE), 234 entry("MATCH=%s", ethIp)); 235 } 236 237 auto systemProperties = ipmi::getAllDbusProperties( 238 bus, 239 systemObject.second, 240 systemObject.first, 241 ipmi::network::SYSTEMCONFIG_INTERFACE); 242 243 gateway = channelConf->gateway.empty() ? 244 systemProperties["DefaultGateway"].get<std::string>() : 245 channelConf->gateway; 246 } 247 } 248 249 // Currently network manager doesn't support purging of all the 250 // ip addresses and the vlan interfaces from the parent interface, 251 // TODO once the support is there, will make the change here. 252 // https://github.com/openbmc/openbmc/issues/2141. 253 254 // TODO Currently IPMI supports single interface,need to handle 255 // Multiple interface through 256 // https://github.com/openbmc/openbmc/issues/2138 257 258 // instead of deleting all the vlan interfaces and 259 // all the ipv4 address,we will call reset method. 260 //delete all the vlan interfaces 261 262 ipmi::deleteAllDbusObjects(bus, 263 ipmi::network::ROOT, 264 ipmi::network::VLAN_INTERFACE); 265 266 // set the interface mode to static 267 auto networkInterfaceObject = ipmi::getDbusObject( 268 bus, 269 ipmi::network::ETHERNET_INTERFACE, 270 ipmi::network::ROOT, 271 ethdevice); 272 273 // setting the physical interface mode to static. 274 ipmi::setDbusProperty(bus, 275 ipmi::network::SERVICE, 276 networkInterfaceObject.first, 277 ipmi::network::ETHERNET_INTERFACE, 278 "DHCPEnabled", 279 false); 280 281 networkInterfacePath = networkInterfaceObject.first; 282 283 //delete all the ipv4 addresses 284 ipmi::deleteAllDbusObjects(bus, 285 ipmi::network::ROOT, 286 ipmi::network::IP_INTERFACE, 287 ethIp); 288 289 if (vlanID) 290 { 291 ipmi::network::createVLAN(bus, 292 ipmi::network::SERVICE, 293 ipmi::network::ROOT, 294 ethdevice, 295 vlanID); 296 297 auto networkInterfaceObject = ipmi::getDbusObject( 298 bus, 299 ipmi::network::VLAN_INTERFACE, 300 ipmi::network::ROOT); 301 302 networkInterfacePath = networkInterfaceObject.first; 303 } 304 305 if (channelConf->ipsrc == ipmi::network::IPOrigin::DHCP) 306 { 307 ipmi::setDbusProperty(bus, 308 ipmi::network::SERVICE, 309 networkInterfacePath, 310 ipmi::network::ETHERNET_INTERFACE, 311 "DHCPEnabled", 312 true); 313 } 314 else 315 { 316 //change the mode to static 317 ipmi::setDbusProperty(bus, 318 ipmi::network::SERVICE, 319 networkInterfacePath, 320 ipmi::network::ETHERNET_INTERFACE, 321 "DHCPEnabled", 322 false); 323 324 if (!ipaddress.empty()) 325 { 326 ipmi::network::createIP(bus, 327 ipmi::network::SERVICE, 328 networkInterfacePath, 329 ipv4Protocol, 330 ipaddress, 331 prefix); 332 } 333 334 if (!gateway.empty()) 335 { 336 ipmi::setDbusProperty(bus, 337 systemObject.second, 338 systemObject.first, 339 ipmi::network::SYSTEMCONFIG_INTERFACE, 340 "DefaultGateway", 341 std::string(gateway)); 342 } 343 } 344 345 } 346 catch (InternalFailure& e) 347 { 348 log<level::ERR>("Failed to set network data", 349 entry("PREFIX=%d", prefix), 350 entry("ADDRESS=%s", ipaddress.c_str()), 351 entry("GATEWAY=%s", gateway.c_str()), 352 entry("VLANID=%d", vlanID), 353 entry("IPSRC=%d", channelConf->ipsrc)); 354 355 commit<InternalFailure>(); 356 rc = IPMI_CC_UNSPECIFIED_ERROR; 357 } 358 359 channelConf->clear(); 360 return rc; 361 } 362 363 ipmi_ret_t ipmi_get_channel_access(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 364 ipmi_request_t request, ipmi_response_t response, 365 ipmi_data_len_t data_len, ipmi_context_t context) 366 { 367 auto requestData = reinterpret_cast<const GetChannelAccessRequest*> 368 (request); 369 std::vector<uint8_t> outPayload(sizeof(GetChannelAccessResponse)); 370 auto responseData = reinterpret_cast<GetChannelAccessResponse*> 371 (outPayload.data()); 372 373 /* 374 * The value Eh is used as a way to identify the current channel that 375 * the command is being received from. 376 */ 377 constexpr auto channelE = 0x0E; 378 int channel = requestData->channelNumber; 379 auto ethdevice = ipmi::network::ChanneltoEthernet(channel); 380 381 if (channel != channelE && ethdevice.empty()) 382 { 383 *data_len = 0; 384 return IPMI_CC_INVALID_FIELD_REQUEST; 385 } 386 387 /* 388 * [7:6] - reserved 389 * [5] - 1b = Alerting disabled 390 * [4] - 1b = per message authentication disabled 391 * [3] - 0b = User level authentication enabled 392 * [2:0] - 2h = always available 393 */ 394 constexpr auto channelSetting = 0x32; 395 396 responseData->settings = channelSetting; 397 //Defaulting the channel privilege to administrator level. 398 responseData->privilegeLimit = PRIVILEGE_ADMIN; 399 400 *data_len = outPayload.size(); 401 memcpy(response, outPayload.data(), *data_len); 402 403 return IPMI_CC_OK; 404 } 405 406 // ATTENTION: This ipmi function is very hardcoded on purpose 407 // OpenBMC does not fully support IPMI. This command is useful 408 // to have around because it enables testing of interfaces with 409 // the IPMI tool. 410 #define GET_CHANNEL_INFO_CHANNEL_OFFSET 0 411 // IPMI Table 6-2 412 #define IPMI_CHANNEL_TYPE_IPMB 1 413 // IPMI Table 6-3 414 #define IPMI_CHANNEL_MEDIUM_TYPE_OTHER 6 415 416 ipmi_ret_t ipmi_app_channel_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 417 ipmi_request_t request, ipmi_response_t response, 418 ipmi_data_len_t data_len, ipmi_context_t context) 419 { 420 ipmi_ret_t rc = IPMI_CC_OK; 421 uint8_t resp[] = { 422 1, 423 IPMI_CHANNEL_MEDIUM_TYPE_OTHER, 424 IPMI_CHANNEL_TYPE_IPMB, 425 1,0x41,0xA7,0x00,0,0}; 426 uint8_t *p = (uint8_t*) request; 427 int channel = (*p) & CHANNEL_MASK; 428 std::string ethdevice = ipmi::network::ChanneltoEthernet(channel); 429 430 printf("IPMI APP GET CHANNEL INFO\n"); 431 432 // The supported channels numbers are those which are configured. 433 // Channel Number E is used as way to identify the current channel 434 // that the command is being is received from. 435 if (channel != 0xe && ethdevice.empty()) { 436 rc = IPMI_CC_PARM_OUT_OF_RANGE; 437 *data_len = 0; 438 } else { 439 *data_len = sizeof(resp); 440 memcpy(response, resp, *data_len); 441 } 442 443 return rc; 444 } 445