NetworkPkg/IScsiDxe: re-set session-level authentication state before login

[mirror_edk2.git] / RedfishPkg / RedfishDiscoverDxe / RedfishSmbiosHostInterface.c

/** @file\r
  RedfishSmbiosHostInterface.c\r
\r
  Discover Redfish SMBIOS Host Interface.\r
\r
  (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "RedfishDiscoverInternal.h"\r
\r
SMBIOS_TABLE_TYPE42  *mType42Record;\r
\r
/**\r
  The function gets information reported in Redfish Host Interface.\r
\r
  It simply frees the packet.\r
\r
  @param[in]  Smbios           SMBIOS protocol.\r
  @param[out] DeviceDescriptor Pointer to REDFISH_INTERFACE_DATA.\r
  @param[out] ProtocolData     Pointer to REDFISH_OVER_IP_PROTOCOL_DATA.\r
\r
  @retval EFI_SUCCESS    Get host interface succesfully.\r
  @retval Otherwise      Fail to tet host interface.\r
\r
**/\r
EFI_STATUS\r
RedfishGetHostInterfaceProtocolData (\r
  IN EFI_SMBIOS_PROTOCOL              *Smbios,\r
  OUT REDFISH_INTERFACE_DATA          **DeviceDescriptor,\r
  OUT REDFISH_OVER_IP_PROTOCOL_DATA   **ProtocolData\r
  )\r
{\r
  EFI_STATUS                        Status;\r
  EFI_SMBIOS_HANDLE                 SmbiosHandle;\r
  EFI_SMBIOS_TABLE_HEADER           *Record;\r
  UINT16                            Offset;\r
  UINT8                             *RecordTmp;\r
  UINT8                             ProtocolLength;\r
  UINT8                             SpecificDataLen;\r
\r
  if ((Smbios == NULL) || (ProtocolData == NULL)) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r
  Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);\r
  while (!EFI_ERROR (Status) && SmbiosHandle != SMBIOS_HANDLE_PI_RESERVED) {\r
    if (Record->Type == SMBIOS_TYPE_MANAGEMENT_CONTROLLER_HOST_INTERFACE) {\r
      //\r
      // Check Interface Type, should be Network Host Interface = 40h\r
      //\r
      mType42Record = (SMBIOS_TABLE_TYPE42 *) Record;\r
      if (mType42Record->InterfaceType == MCHostInterfaceTypeNetworkHostInterface) {\r
        ASSERT (Record->Length >= 9);\r
        Offset = 5;\r
        RecordTmp = (UINT8 *) Record + Offset;\r
        //\r
        // Get interface specific data length.\r
        //\r
        SpecificDataLen = *RecordTmp;\r
        Offset += 1;\r
        RecordTmp = (UINT8 *) Record + Offset;\r
\r
        //\r
        // Check Device Type, only PCI/PCIe Network Interface v2 is supported now.\r
        //\r
        if (*RecordTmp == REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {\r
          ASSERT (SpecificDataLen == sizeof (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);\r
          *DeviceDescriptor = (REDFISH_INTERFACE_DATA *)RecordTmp;\r
          Offset = Offset + SpecificDataLen;\r
          RecordTmp = (UINT8 *) Record + Offset;\r
          //\r
          // Check Protocol count. if > 1, only use the first protocol.\r
          //\r
          ASSERT (*RecordTmp == 1);\r
          Offset += 1;\r
          RecordTmp = (UINT8 *) Record + Offset;\r
          //\r
          // Check protocol identifier.\r
          //\r
          if (*RecordTmp == MCHostInterfaceProtocolTypeRedfishOverIP) {\r
            Offset += 1;\r
            RecordTmp = (UINT8 *) Record + Offset;\r
            ProtocolLength = *RecordTmp;\r
\r
            Offset += 1;\r
            RecordTmp = (UINT8 *) Record + Offset;\r
\r
            //\r
            // This SMBIOS record is invalid, if the length of protocol specific data for\r
            // Redfish Over IP protocol is wrong.\r
            //\r
            if ((*(RecordTmp + 90) + sizeof (REDFISH_OVER_IP_PROTOCOL_DATA) - 1) != ProtocolLength) {\r
              return EFI_SECURITY_VIOLATION;\r
            }\r
\r
            Offset += ProtocolLength;\r
            //\r
            // This SMBIOS record is invalid, if the length is smaller than the offset.\r
            //\r
            if (Offset > mType42Record->Hdr.Length) {\r
              return EFI_SECURITY_VIOLATION;\r
            }\r
            *ProtocolData = (REDFISH_OVER_IP_PROTOCOL_DATA *)RecordTmp;\r
            return EFI_SUCCESS;\r
          }\r
        }\r
      }\r
    }\r
    Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);\r
  }\r
\r
  *ProtocolData = NULL;\r
  return EFI_NOT_FOUND;\r
}\r