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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Secure Component */
/** */
/** Transport Layer Security (TLS) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_tls.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_tls_session_certificate_callback_set PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sets up a function pointer that TLS will invoke when */
/* a certificate is received from a remote host, allowing the */
/* application to perform validation checks such as DNS validation, */
/* certificate revocation, and certificate policy enforcement. */
/* */
/* NetX Secure TLS will perform basic validation on the certificate */
/* before invoking the callback to assure that the certificate can be */
/* traced to a certificate in the TLS trusted certificate store, but */
/* all other validation will be handled by this callback. */
/* */
/* The callback provides the TLS session pointer and a pointer to the */
/* remote host identity certificate (the leaf in the certificate */
/* chain). The callback should return NX_SUCCESS if all validation is */
/* successful, otherwise it should return an error code indicating the */
/* validation failure. Any value other than NX_SUCCESS will cause the */
/* TLS handshake to immediately abort. */
/* */
/* INPUT */
/* */
/* tls_session TLS control block */
/* func_ptr Pointer to callback function */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_secure_tls_session_certificate_callback_set(NX_SECURE_TLS_SESSION *tls_session,
ULONG (*func_ptr)(NX_SECURE_TLS_SESSION *session,
NX_SECURE_X509_CERT *certificate))
{
/* Set the function pointer in the TLS session. */
tls_session -> nx_secure_tls_session_certificate_callback = func_ptr;
return(NX_SUCCESS);
}
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