diff options
Diffstat (limited to 'dcmihandler.cpp')
-rw-r--r-- | dcmihandler.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/dcmihandler.cpp b/dcmihandler.cpp index c7497f0..5b83ac8 100644 --- a/dcmihandler.cpp +++ b/dcmihandler.cpp @@ -107,12 +107,92 @@ std::string readAssetTag() } // namespace dcmi +ipmi_ret_t getAssetTag(ipmi_netfn_t netfn, ipmi_cmd_t cmd, + ipmi_request_t request, ipmi_response_t response, + ipmi_data_len_t data_len, ipmi_context_t context) +{ + auto requestData = reinterpret_cast<const dcmi::GetAssetTagRequest*> + (request); + std::vector<uint8_t> outPayload(sizeof(dcmi::GetAssetTagResponse)); + auto responseData = reinterpret_cast<dcmi::GetAssetTagResponse*> + (outPayload.data()); + + if (requestData->groupID != dcmi::groupExtId) + { + *data_len = 0; + return IPMI_CC_INVALID_FIELD_REQUEST; + } + + // Verify offset to read and number of bytes to read are not exceeding the + // range. + if ((requestData->offset > dcmi::assetTagMaxOffset) || + (requestData->bytes > dcmi::maxBytes) || + ((requestData->offset + requestData->bytes) > dcmi::assetTagMaxSize)) + { + *data_len = 0; + return IPMI_CC_PARM_OUT_OF_RANGE; + } + + std::string assetTag; + + try + { + assetTag = dcmi::readAssetTag(); + } + catch (InternalFailure& e) + { + *data_len = 0; + return IPMI_CC_UNSPECIFIED_ERROR; + } + + responseData->groupID = dcmi::groupExtId; + + // Return if the asset tag is not populated. + if (!assetTag.size()) + { + responseData->tagLength = 0; + memcpy(response, outPayload.data(), outPayload.size()); + *data_len = outPayload.size(); + return IPMI_CC_OK; + } + + // If the asset tag is longer than 63 bytes, restrict it to 63 bytes to suit + // Get Asset Tag command. + if (assetTag.size() > dcmi::assetTagMaxSize) + { + assetTag.resize(dcmi::assetTagMaxSize); + } + + // If the requested offset is beyond the asset tag size. + if (requestData->offset >= assetTag.size()) + { + *data_len = 0; + return IPMI_CC_PARM_OUT_OF_RANGE; + } + + auto returnData = assetTag.substr(requestData->offset, requestData->bytes); + + responseData->tagLength = assetTag.size(); + + memcpy(response, outPayload.data(), outPayload.size()); + memcpy(static_cast<uint8_t*>(response) + outPayload.size(), + returnData.data(), returnData.size()); + *data_len = outPayload.size() + returnData.size(); + + return IPMI_CC_OK; +} + void register_netfn_dcmi_functions() { // <Get Power Limit> printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER); ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER, NULL, ipmi_dcmi_get_power_limit, PRIVILEGE_USER); + + // <Get Asset Tag> + printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_ASSET_TAG); + ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_ASSET_TAG, NULL, getAssetTag, + PRIVILEGE_USER); return; } // 956379 |