NetworkPkg/Application/IpsecConfig/Delete.c

   1 /** @file
   2   The implementation of delete policy entry function in IpSecConfig application.
   3
   4   Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include "IpSecConfig.h"
  17 #include "Indexer.h"
  18 #include "Delete.h"
  19 #include "Match.h"
  20 #include "ForEach.h"
  21
  22 /**
  23   Private function to delete entry information in database.
  24
  25   @param[in] Selector    The pointer to EFI_IPSEC_CONFIG_SELECTOR structure.
  26   @param[in] Data        The pointer to Data.
  27   @param[in] Context     The pointer to DELETE_POLICY_ENTRY_CONTEXT.
  28
  29   @retval EFI_ABORTED    Abort the iteration.
  30   @retval EFI_SUCCESS    Continue the iteration.
  31 **/
  32 EFI_STATUS
  33 DeletePolicyEntry (
  34   IN EFI_IPSEC_CONFIG_SELECTOR      *Selector,
  35   IN VOID                           *Data,
  36   IN DELETE_POLICY_ENTRY_CONTEXT    *Context
  37   )
  38 {
  39   if (mMatchPolicyEntry[Context->DataType] (Selector, Data, &Context->Indexer)) {
  40     Context->Status = mIpSecConfig->SetData (
  41                                       mIpSecConfig,
  42                                       Context->DataType,
  43                                       Selector,
  44                                       NULL,
  45                                       NULL
  46                                       );
  47     //
  48     // Abort the iteration after the insertion.
  49     //
  50     return EFI_ABORTED;
  51   }
  52
  53   return EFI_SUCCESS;
  54 }
  55
  56 /**
  57   Flush or delete entry information in the database according to datatype.
  58
  59   @param[in] DataType        The value of EFI_IPSEC_CONFIG_DATA_TYPE.
  60   @param[in] ParamPackage    The pointer to the ParamPackage list.
  61
  62   @retval EFI_SUCCESS      Delete entry information successfully.
  63   @retval EFI_NOT_FOUND    Can't find the specified entry.
  64   @retval Others           Some mistaken case.
  65 **/
  66 EFI_STATUS
  67 FlushOrDeletePolicyEntry (
  68   IN EFI_IPSEC_CONFIG_DATA_TYPE    DataType,
  69   IN LIST_ENTRY                    *ParamPackage
  70   )
  71 {
  72   EFI_STATUS                     Status;
  73   DELETE_POLICY_ENTRY_CONTEXT    Context;
  74   CONST CHAR16                   *ValueStr;
  75
  76   //
  77   // If user wants to remove all.
  78   //
  79   if (ShellCommandLineGetFlag (ParamPackage, L"-f")) {
  80     Status = mIpSecConfig->SetData (
  81                              mIpSecConfig,
  82                              DataType,
  83                              NULL,
  84                              NULL,
  85                              NULL
  86                              );
  87   } else {
  88     ValueStr = ShellCommandLineGetValue (ParamPackage, L"-d");
  89     if (ValueStr == NULL) {
  90       ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_INDEX_NOT_SPECIFIED), mHiiHandle, mAppName, ValueStr);
  91       return EFI_NOT_FOUND;
  92     }
  93
  94     Status = mConstructPolicyEntryIndexer[DataType] (&Context.Indexer, ParamPackage);
  95     if (!EFI_ERROR (Status)) {
  96       Context.DataType  = DataType;
  97       Context.Status    = EFI_NOT_FOUND;
  98       ForeachPolicyEntry (DataType, (VISIT_POLICY_ENTRY) DeletePolicyEntry, &Context);
  99       Status = Context.Status;
 100
 101       if (Status == EFI_NOT_FOUND) {
 102         ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_INDEX_NOT_FOUND), mHiiHandle, mAppName, ValueStr);
 103       } else if (EFI_ERROR (Status)) {
 104         ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IPSEC_CONFIG_DELETE_FAILED), mHiiHandle, mAppName);
 105       }
 106     }
 107   }
 108
 109   return Status;
 110 }