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path: root/NetworkPkg/Application/IpsecConfig/Delete.c
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/** @file
  The implementation of delete policy entry function in IpSecConfig application.

  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>

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

**/

#include "IpSecConfig.h"
#include "Indexer.h"
#include "Delete.h"
#include "Match.h"
#include "ForEach.h"

/**
  Private function to delete entry information in database.

  @param[in] Selector    The pointer to EFI_IPSEC_CONFIG_SELECTOR structure.
  @param[in] Data        The pointer to Data.
  @param[in] Context     The pointer to DELETE_POLICY_ENTRY_CONTEXT.

  @retval EFI_ABORTED    Abort the iteration.
  @retval EFI_SUCCESS    Continue the iteration.
**/
EFI_STATUS
DeletePolicyEntry (
  IN EFI_IPSEC_CONFIG_SELECTOR      *Selector,
  IN VOID                           *Data,
  IN DELETE_POLICY_ENTRY_CONTEXT    *Context
  )
{
  if (mMatchPolicyEntry[Context->DataType] (Selector, Data, &Context->Indexer)) {
    Context->Status = mIpSecConfig->SetData (
                                      mIpSecConfig,
                                      Context->DataType,
                                      Selector,
                                      NULL,
                                      NULL
                                      );
    //
    // Abort the iteration after the insertion.
    //
    return EFI_ABORTED;
  }

  return EFI_SUCCESS;
}

/**
  Flush or delete entry information in the database according to datatype.

  @param[in] DataType        The value of EFI_IPSEC_CONFIG_DATA_TYPE.
  @param[in] ParamPackage    The pointer to the ParamPackage list.

  @retval EFI_SUCCESS      Delete entry information successfully.
  @retval EFI_NOT_FOUND    Can't find the specified entry.
  @retval Others           Some mistaken case.
**/
EFI_STATUS
FlushOrDeletePolicyEntry (
  IN EFI_IPSEC_CONFIG_DATA_TYPE    DataType,
  IN LIST_ENTRY                    *ParamPackage
  )
{
  EFI_STATUS                     Status;
  DELETE_POLICY_ENTRY_CONTEXT    Context;
  CONST CHAR16                   *ValueStr;

  //
  // If user wants to remove all.
  //
  if (ShellCommandLineGetFlag (ParamPackage, L"-f")) {
    Status = mIpSecConfig->SetData (
                             mIpSecConfig,
                             DataType,
                             NULL,
                             NULL,
                             NULL
                             );
  } else {
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-d");
    if (ValueStr == NULL) {
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_INDEX_NOT_SPECIFIED), mHiiHandle, mAppName, ValueStr);
      return EFI_NOT_FOUND;
    }

    Status = mConstructPolicyEntryIndexer[DataType] (&Context.Indexer, ParamPackage);
    if (!EFI_ERROR (Status)) {
      Context.DataType  = DataType;
      Context.Status    = EFI_NOT_FOUND;
      ForeachPolicyEntry (DataType, (VISIT_POLICY_ENTRY) DeletePolicyEntry, &Context);
      Status = Context.Status;

      if (Status == EFI_NOT_FOUND) {
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_INDEX_NOT_FOUND), mHiiHandle, mAppName, ValueStr);
      } else if (EFI_ERROR (Status)) {
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_DELETE_FAILED), mHiiHandle, mAppName);
      }
    }
  }

  return Status;
}