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/* 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) ||
(!complete && (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
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