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      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 }
    111