diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/transporthandler_oem.cpp')
-rw-r--r-- | meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/transporthandler_oem.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/transporthandler_oem.cpp b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/transporthandler_oem.cpp new file mode 100644 index 000000000..3cb79dc3f --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/transporthandler_oem.cpp @@ -0,0 +1,146 @@ +/* Copyright 2019 Intel + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "dcmihandler.hpp" + +#include <cstdint> +#include <ipmid/api-types.hpp> +#include <ipmid/api.hpp> +#include <ipmid/message.hpp> +#include <ipmid/message/types.hpp> +#include <ipmid/utils.hpp> +#include <vector> + +enum class oemLanParam : uint8_t +{ + intelHostnameConfig = 0xc7, +}; + +constexpr size_t IpmiHostnameLen = 16; +constexpr uint8_t CurrentRevision = 0x11; // Current rev per IPMI Spec 2.0 + +constexpr ipmi::Cc ccParamNotSupported = 0x80; +constexpr ipmi::Cc ccUnprintable = 0x90; + +namespace ipmi::transport +{ + +constexpr auto validHostnameChars = + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWX" + "YZ0123456789-"; +constexpr int lanOemHostnameLength = 64; + +RspType<> setLanOem(uint8_t channel, uint8_t parameter, message::Payload& req) +{ + std::vector<uint8_t> dataBytes; + switch (static_cast<oemLanParam>(parameter)) + { + case oemLanParam::intelHostnameConfig: + { + static std::array<uint8_t, lanOemHostnameLength> blockData; + uint8_t block = 0; + uint8_t complete = 0; + if ((req.unpack(block, complete, dataBytes) != 0) || + (!req.fullyUnpacked())) + { + return responseReqDataLenInvalid(); + } + + size_t numDataBytes = req.size() - 4; + if (numDataBytes > IpmiHostnameLen) + { + return responseReqDataLenInvalid(); + } + + if (!((block > 0) && (block < 5)) || + ((complete != 0) && (complete != 1))) + { + return responseInvalidFieldRequest(); + } + + if (block == 1) + { + blockData.fill(0); + } + + std::copy(dataBytes.begin(), dataBytes.end(), + blockData.data() + ((block - 1) * IpmiHostnameLen)); + if (complete) + { + blockData[lanOemHostnameLength - 1] = 0; + // check hostname, and write it + std::string newHostname( + reinterpret_cast<char*>(blockData.data()), + lanOemHostnameLength); + size_t firstNull = newHostname.find_first_of('\0'); + if (newHostname.find_first_not_of(validHostnameChars) != + firstNull) + { + return response(ccUnprintable); + } + std::shared_ptr<sdbusplus::asio::connection> busp = getSdBus(); + ipmi::setDbusProperty(*busp, ::dcmi::networkServiceName, + ::dcmi::networkConfigObj, + ::dcmi::networkConfigIntf, + ::dcmi::hostNameProp, newHostname); + } + return responseSuccess(); + } + default: + return response(ccParamNotSupported); + } + return response(ccParamNotSupported); +} + +RspType<message::Payload> getLanOem(uint8_t channel, uint8_t parameter, + uint8_t set, uint8_t block) +{ + message::Payload message; + message.pack(CurrentRevision); + oemLanParam param = static_cast<oemLanParam>(parameter); + switch (param) + { + case oemLanParam::intelHostnameConfig: + { + if (set != 0) + { + return responseInvalidFieldRequest(); + } + if ((block < 1) || (block > 4)) + { + return responseInvalidFieldRequest(); + } + std::shared_ptr<sdbusplus::asio::connection> busp = getSdBus(); + auto service = ipmi::getService(*busp, ::dcmi::networkConfigIntf, + ::dcmi::networkConfigObj); + auto value = ipmi::getDbusProperty( + *busp, service, ::dcmi::networkConfigObj, + ::dcmi::networkConfigIntf, ::dcmi::hostNameProp); + std::string hostname = std::get<std::string>(value); + std::array<char, IpmiHostnameLen> buf = {0}; + size_t head = (block - 1) * IpmiHostnameLen; + if (head < hostname.size()) + { + size_t numToCopy = hostname.size() - head; + numToCopy = std::min(IpmiHostnameLen, numToCopy); + hostname.copy(buf.data(), numToCopy, head); + } + message.pack(buf); + return responseSuccess(std::move(message)); + } + } + return response(ccParamNotSupported); +} +} // namespace ipmi::transport |