/** @file
  The implementation of construct ENTRY_INDEXER in IpSecConfig application.

  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include "IpSecConfig.h"
#include "Indexer.h"
#include "Helper.h"

/**
  Fill in SPD_ENTRY_INDEXER through ParamPackage list.

  @param[in, out] Indexer         The pointer to the SPD_ENTRY_INDEXER structure.
  @param[in]      ParamPackage    The pointer to the ParamPackage list.

  @retval EFI_SUCCESS    Filled in SPD_ENTRY_INDEXER successfully.
**/
EFI_STATUS
ConstructSpdIndexer (
  IN OUT SPD_ENTRY_INDEXER    *Indexer,
  IN     LIST_ENTRY           *ParamPackage
  )
{
  EFI_STATUS      Status;
  UINT64          Value64;
  CONST CHAR16    *ValueStr;

  ValueStr = NULL;

  if (ShellCommandLineGetFlag (ParamPackage, L"-i")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-i");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-d")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-d");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-e")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-e");
  } else {
    return EFI_INVALID_PARAMETER;
  }

  if (ValueStr == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  Value64 = StrToUInteger (ValueStr, &Status);
  if (!EFI_ERROR (Status)) {
    Indexer->Index = (UINTN) Value64;
    ZeroMem (Indexer->Name, MAX_PEERID_LEN);
  } else {
    UnicodeStrToAsciiStrS (ValueStr, (CHAR8 *) Indexer->Name, MAX_PEERID_LEN);
  }

  return EFI_SUCCESS;
}

/**
  Fill in SAD_ENTRY_INDEXER through ParamPackage list.

  @param[in, out] Indexer         The pointer to the SAD_ENTRY_INDEXER structure.
  @param[in]      ParamPackage    The pointer to the ParamPackage list.

  @retval EFI_SUCCESS              Filled in SPD_ENTRY_INDEXER successfully.
  @retval EFI_INVALID_PARAMETER    The mistaken user input in ParamPackage list.
**/
EFI_STATUS
ConstructSadIndexer (
  IN OUT SAD_ENTRY_INDEXER    *Indexer,
  IN     LIST_ENTRY           *ParamPackage
  )
{
  EFI_STATUS      Status;
  EFI_STATUS      Status1;
  UINT64          Value64;
  CONST CHAR16    *ValueStr;

  ValueStr = NULL;

  if (ShellCommandLineGetFlag (ParamPackage, L"-i")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-i");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-d")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-d");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-e")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-e");
  } else {
    return EFI_INVALID_PARAMETER;
  }

  if (ValueStr == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  Value64 = StrToUInteger (ValueStr, &Status);
  if (!EFI_ERROR (Status)) {
    Indexer->Index = (UINTN) Value64;
    ZeroMem (&Indexer->SaId, sizeof (EFI_IPSEC_SA_ID));
  } else {
    if ((!ShellCommandLineGetFlag (ParamPackage, L"--lookup-spi")) ||
        (!ShellCommandLineGetFlag (ParamPackage, L"--lookup-ipsec-proto")) ||
        (!ShellCommandLineGetFlag (ParamPackage, L"--lookup-dest"))) {
      ShellPrintHiiEx (
        -1,
        -1,
        NULL,
        STRING_TOKEN (STR_IPSEC_CONFIG_MISSING_ONE_OF_PARAMETERS),
        mHiiHandle,
        mAppName,
        L"--lookup-spi --lookup-ipsec-proto --lookup-dest"
        );
      return EFI_INVALID_PARAMETER;
    }

    Status = GetNumber (
              L"--lookup-spi",
              (UINT32) -1,
              &Indexer->SaId.Spi,
              sizeof (UINT32),
              NULL,
              ParamPackage,
              FORMAT_NUMBER
              );
    Status1 = GetNumber (
                L"--lookup-ipsec-proto",
                0,
                &Indexer->SaId.Proto,
                sizeof (EFI_IPSEC_PROTOCOL_TYPE),
                mMapIpSecProtocol,
                ParamPackage,
                FORMAT_STRING
                );

    if (EFI_ERROR (Status) || EFI_ERROR (Status1)) {
      return EFI_INVALID_PARAMETER;
    }

    ValueStr = ShellCommandLineGetValue (ParamPackage, L"--lookup-dest");
    ASSERT (ValueStr != NULL);

    Status = EfiInetAddr2 ((CHAR16 *) ValueStr, &Indexer->SaId.DestAddress);
    if (EFI_ERROR (Status)) {
      ShellPrintHiiEx (
        -1,
        -1,
        NULL,
        STRING_TOKEN (STR_IPSEC_CONFIG_INCORRECT_PARAMETER_VALUE),
        mHiiHandle,
        mAppName,
        L"--lookup-dest",
        ValueStr
        );
      return EFI_INVALID_PARAMETER;
    }
  }

  return EFI_SUCCESS;
}

/**
  Fill in PAD_ENTRY_INDEXER through ParamPackage list.

  @param[in, out] Indexer         The pointer to the PAD_ENTRY_INDEXER structure.
  @param[in]      ParamPackage    The pointer to the ParamPackage list.

  @retval EFI_SUCCESS              Filled in PAD_ENTRY_INDEXER successfully.
  @retval EFI_INVALID_PARAMETER    The mistaken user input in ParamPackage list.
**/
EFI_STATUS
ConstructPadIndexer (
  IN OUT PAD_ENTRY_INDEXER    *Indexer,
  IN     LIST_ENTRY           *ParamPackage
  )
{
  EFI_STATUS      Status;
  UINT64          Value64;
  CONST CHAR16    *ValueStr;

  ValueStr = NULL;

  if (ShellCommandLineGetFlag (ParamPackage, L"-i")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-i");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-d")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-d");
  } else if (ShellCommandLineGetFlag (ParamPackage, L"-e")) {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-e");
  } else {
    return EFI_INVALID_PARAMETER;
  }

  if (ValueStr == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  Value64 = StrToUInteger (ValueStr, &Status);

  if (!EFI_ERROR (Status)) {
    Indexer->Index = (UINTN) Value64;
    ZeroMem (&Indexer->PadId, sizeof (EFI_IPSEC_PAD_ID));
  } else {

    if (ShellCommandLineGetFlag (ParamPackage, L"--lookup-peer-address")) {
      ValueStr = ShellCommandLineGetValue (ParamPackage, L"--lookup-peer-address");
      ASSERT (ValueStr != NULL);

      Indexer->PadId.PeerIdValid = FALSE;
      Status = EfiInetAddrRange ((CHAR16 *) ValueStr, &Indexer->PadId.Id.IpAddress);
      if (EFI_ERROR (Status)) {
        ShellPrintHiiEx (
          -1,
          -1,
          NULL,
          STRING_TOKEN (STR_IPSEC_CONFIG_INCORRECT_PARAMETER_VALUE),
          mHiiHandle,
          mAppName,
          L"--lookup-peer-address",
          ValueStr
          );
        return EFI_INVALID_PARAMETER;
      }
    } else {
      ValueStr = ShellCommandLineGetValue (ParamPackage, L"--lookup-peer-id");
      if (ValueStr == NULL) {
        ShellPrintHiiEx (
          -1,
          -1,
          NULL,
          STRING_TOKEN (STR_IPSEC_CONFIG_MISSING_ONE_OF_PARAMETERS),
          mHiiHandle,
          mAppName,
          L"--lookup-peer-address --lookup-peer-id"
          );
        return EFI_INVALID_PARAMETER;
      }

      Indexer->PadId.PeerIdValid = TRUE;
      ZeroMem (Indexer->PadId.Id.PeerId, MAX_PEERID_LEN);
      StrnCpyS ((CHAR16 *) Indexer->PadId.Id.PeerId, MAX_PEERID_LEN / sizeof (CHAR16), ValueStr, MAX_PEERID_LEN / sizeof (CHAR16) - 1);
    }
  }

  return EFI_SUCCESS;
}

CONSTRUCT_POLICY_ENTRY_INDEXER mConstructPolicyEntryIndexer[] = {
  (CONSTRUCT_POLICY_ENTRY_INDEXER) ConstructSpdIndexer,
  (CONSTRUCT_POLICY_ENTRY_INDEXER) ConstructSadIndexer,
  (CONSTRUCT_POLICY_ENTRY_INDEXER) ConstructPadIndexer
};