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/**
* @file
* Application layered TCP/TLS connection API (to be used from TCPIP thread)
*
* This file contains structure definitions for a TLS layer using mbedTLS.
*/
/*
* Copyright (c) 2017 Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmidt <[email protected]>
*
*/
#ifndef LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H
#define LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H
#include "lwip/opt.h"
#if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/altcp_tls_mbedtls_opts.h"
#if LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS
#include "lwip/altcp.h"
#include "lwip/pbuf.h"
#include "mbedtls/ssl.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ALTCP_MBEDTLS_FLAGS_HANDSHAKE_DONE 0x01
#define ALTCP_MBEDTLS_FLAGS_UPPER_CALLED 0x02
#define ALTCP_MBEDTLS_FLAGS_RX_CLOSE_QUEUED 0x04
#define ALTCP_MBEDTLS_FLAGS_RX_CLOSED 0x08
typedef struct altcp_mbedtls_state_s {
void *conf;
mbedtls_ssl_context ssl_context;
/* chain of rx pbufs (before decryption) */
struct pbuf *rx;
struct pbuf *rx_app;
u8_t flags;
int rx_passed_unrecved;
int bio_bytes_read;
int bio_bytes_appl;
int overhead_bytes_adjust;
} altcp_mbedtls_state_t;
#ifdef __cplusplus
}
#endif
#endif /* LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS */
#endif /* LWIP_ALTCP */
#endif /* LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H */
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