NetworkPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / NetworkPkg / Application / IpsecConfig / ForEach.c

/** @file\r
  The implementation to go through each entry in IpSecConfig application.\r
\r
  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "IpSecConfig.h"\r
#include "ForEach.h"\r
\r
\r
/**\r
  Enumerate all entries in the database to execute specified operations according to datatype.\r
\r
  @param[in] DataType    The value of EFI_IPSEC_CONFIG_DATA_TYPE.\r
  @param[in] Routine     The pointer to the function of a specified operation.\r
  @param[in] Context     The pointer to the context of a function.\r
\r
  @retval EFI_SUCCESS    Execute specified operation successfully.\r
**/\r
EFI_STATUS\r
ForeachPolicyEntry (\r
  IN EFI_IPSEC_CONFIG_DATA_TYPE    DataType,\r
  IN VISIT_POLICY_ENTRY            Routine,\r
  IN VOID                          *Context\r
  )\r
{\r
  EFI_STATUS                   GetNextStatus;\r
  EFI_STATUS                   GetDataStatus;\r
  EFI_IPSEC_CONFIG_SELECTOR    *Selector;\r
  VOID                         *Data;\r
  UINTN                        SelectorSize;\r
  UINTN                        DataSize;\r
  BOOLEAN                      FirstGetNext;\r
\r
  FirstGetNext = TRUE;\r
  SelectorSize = sizeof (EFI_IPSEC_CONFIG_SELECTOR);\r
  Selector     = AllocateZeroPool (SelectorSize);\r
\r
  DataSize     = 0;\r
  Data         = NULL;\r
\r
  while (TRUE) {\r
    GetNextStatus = mIpSecConfig->GetNextSelector (\r
                                    mIpSecConfig,\r
                                    DataType,\r
                                    &SelectorSize,\r
                                    Selector\r
                                    );\r
    if (GetNextStatus == EFI_BUFFER_TOO_SMALL) {\r
      gBS->FreePool (Selector);\r
      Selector = FirstGetNext ? AllocateZeroPool (SelectorSize) : AllocatePool (SelectorSize);\r
\r
      GetNextStatus = mIpSecConfig->GetNextSelector (\r
                                      mIpSecConfig,\r
                                      DataType,\r
                                      &SelectorSize,\r
                                      Selector\r
                                      );\r
    }\r
\r
    if (EFI_ERROR (GetNextStatus)) {\r
      break;\r
    }\r
\r
    FirstGetNext = FALSE;\r
\r
    GetDataStatus = mIpSecConfig->GetData (\r
                                    mIpSecConfig,\r
                                    DataType,\r
                                    Selector,\r
                                    &DataSize,\r
                                    Data\r
                                    );\r
    if (GetDataStatus == EFI_BUFFER_TOO_SMALL) {\r
      if (Data != NULL) {\r
        gBS->FreePool (Data);\r
      }\r
\r
      Data = AllocateZeroPool (DataSize);\r
      GetDataStatus = mIpSecConfig->GetData (\r
                                      mIpSecConfig,\r
                                      DataType,\r
                                      Selector,\r
                                      &DataSize,\r
                                      Data\r
                                      );\r
    }\r
\r
    ASSERT_EFI_ERROR (GetDataStatus);\r
\r
    if (EFI_ERROR (Routine (Selector, Data, Context))) {\r
      break;\r
    }\r
  }\r
\r
  if (Data != NULL) {\r
    gBS->FreePool (Data);\r
  }\r
\r
  if (Selector != NULL) {\r
    gBS->FreePool (Selector);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r