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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 necessary system files. */
#include "nx_secure_tls.h"
/* Bring in externs for caller checking code. */
NX_SECURE_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_secure_tls_session_create PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the TLS session create call. */
/* */
/* INPUT */
/* */
/* session_ptr TLS session control block */
/* crypto_table crypto method table */
/* metadata_buffer Encryption metadata area */
/* metadata_size Encryption metadata size */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_secure_tls_session_create Actual TLS session create */
/* call */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxe_secure_tls_session_create(NX_SECURE_TLS_SESSION *session_ptr,
const NX_SECURE_TLS_CRYPTO *cipher_table,
VOID *metadata_area,
ULONG metadata_size)
{
UINT status;
NX_SECURE_TLS_SESSION *created_tls_session;
ULONG created_count;
if ((session_ptr == NX_NULL) || (cipher_table == NX_NULL) || (metadata_area == NX_NULL))
{
return(NX_PTR_ERROR);
}
/* Loop to check for the IP instance already created. */
created_tls_session = _nx_secure_tls_created_ptr;
created_count = _nx_secure_tls_created_count;
while (created_count--)
{
/* Is the new ip already created? */
if (session_ptr == created_tls_session)
{
/* Duplicate tls session created, return an error! */
return(NX_PTR_ERROR);
}
/* Move to next entry. */
created_tls_session = created_tls_session -> nx_secure_tls_created_next;
}
/* Check for appropriate caller. */
NX_THREADS_ONLY_CALLER_CHECKING
status = _nx_secure_tls_session_create(session_ptr, cipher_table, metadata_area, metadata_size);
/* Return completion status. */
return(status);
}
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