IPsecSaContextGetSpi1 - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// fwpmk.h

NTSTATUS IPsecSaContextGetSpi1(
  [in]  HANDLE              engineHandle,
  [in]  UINT64              id,
  [in]  const IPSEC_GETSPI1 *getSpi,
  [out] IPSEC_SA_SPI        *inboundSpi
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-fwpmk-ipsecsacontextgetspi1)

Description

The IPsecSaContextGetSpi1 function retrieves the security parameters index (SPI) for a security association (SA) context.

Parameters

engineHandle [in]

Handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.

id [in]

A runtime identifier for the SA context. This identifier was received from the system when the application called IPsecSaContextCreate1.

getSpi [in]

The inbound IPsec traffic.

inboundSpi [out]

The inbound SA SPI. The IPSEC_SA_SPI data type maps to the UINT32 data type.

Return value

Return code/value Description
ERROR_SUCCESS
0
The SPI for the IPsec SA context was retrieved successfully.
FWP_E_* error code
0x80320001—0x80320039
A Windows Filtering Platform (WFP) specific error. See WFP Error Codes for details.
RPC_* error code
0x80010001—0x80010122
Failure to communicate with the remote or local firewall engine.
Other NTSTATUS codes An error occurred.

Remarks

The caller needs FWPM_ACTRL_ADD access to the IPsec security associations database. See Access Control for more information.

IPsecSaContextGetSpi1 is a specific implementation of IPsecSaContextGetSpi. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.

See also