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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"
#include "nx_secure_x509.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_tls_trusted_certificate_remove PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function removes an NX_SECURE_TLS_CERTIFICATE instance from */
/* the trusted certificates store, keyed on the Common Name field. */
/* */
/* INPUT */
/* */
/* tls_session Pointer to TLS Session */
/* common_name String to match "CN" field */
/* common_name_length Length of name */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* _nx_secure_x509_store_certificate_remove */
/* Remove certificate from store */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_secure_tls_trusted_certificate_remove(NX_SECURE_TLS_SESSION *tls_session,
UCHAR *common_name, UINT common_name_length)
{
#ifndef NX_SECURE_DISABLE_X509
UINT status;
NX_SECURE_X509_DISTINGUISHED_NAME name;
/* Get the protection. */
tx_mutex_get(&_nx_secure_tls_protection, TX_WAIT_FOREVER);
/* Set up the distinguished name with the passed-in common name. */
name.nx_secure_x509_common_name_length = (USHORT)common_name_length;
name.nx_secure_x509_common_name = common_name;
/* Remove the certificate from the local certificates list in our TLS control block. */
status = _nx_secure_x509_store_certificate_remove(&tls_session -> nx_secure_tls_credentials.nx_secure_tls_certificate_store,
&name, NX_SECURE_X509_CERT_LOCATION_TRUSTED, 0);
/* Release the protection. */
tx_mutex_put(&_nx_secure_tls_protection);
/* Translate some X.509 return values into TLS return values. */
if (status == NX_SECURE_X509_CERTIFICATE_NOT_FOUND)
{
return(NX_SECURE_TLS_CERTIFICATE_NOT_FOUND);
}
return(status);
#else
NX_PARAMETER_NOT_USED(tls_session);
NX_PARAMETER_NOT_USED(common_name);
NX_PARAMETER_NOT_USED(common_name_length);
return(NX_NOT_SUPPORTED);
#endif
}
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