/***************************************************************************
 * 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_time_function_set            PORTABLE C      */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Timothy Stapko, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function sets up a function pointer that TLS will invoke when  */
/*    it needs to get the current time, which is used in various TLS      */
/*    handshake messages and for verification of certificates.            */
/*                                                                        */
/*    The function is expected to return the current GMT in UNIX 32-bit   */
/*    format (seconds since the midnight starting Jan 1, 1970, UTC,       */
/*    ignoring leap seconds), as per the ClientHello requirements in the  */
/*    TLS RFC 5246.                                                       */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    tls_session                           TLS control block             */
/*    time_func_ptr                         Pointer to time function      */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT _nx_secure_tls_session_time_function_set(NX_SECURE_TLS_SESSION *tls_session,
                                              ULONG (*time_func_ptr)(void))
{
    /* Set the function pointer in the TLS session. */
    tls_session -> nx_secure_tls_session_time_function = time_func_ptr;

    return(NX_SUCCESS);
}