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/**
* @file
* Application layered TCP/TLS connection API (to be used from TCPIP thread)
*
* @defgroup altcp_tls TLS layer
* @ingroup altcp
* This file contains function prototypes for a TLS layer.
* A port to ARM mbedtls is provided in the apps/ tree
* (LWIP_ALTCP_TLS_MBEDTLS option).
*/
/*
* 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 <goldsimon@gmx.de>
*
*/
#ifndef LWIP_HDR_ALTCP_TLS_H
#define LWIP_HDR_ALTCP_TLS_H
#include "lwip/opt.h"
#if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */
#if LWIP_ALTCP_TLS
#include "lwip/altcp.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @ingroup altcp_tls
* ALTCP_TLS configuration handle, content depends on port (e.g. mbedtls)
*/
struct altcp_tls_config;
/** @ingroup altcp_tls
* Create an ALTCP_TLS server configuration handle
*/
struct altcp_tls_config *altcp_tls_create_config_server_privkey_cert(const u8_t *privkey, size_t privkey_len,
const u8_t *privkey_pass, size_t privkey_pass_len,
const u8_t *cert, size_t cert_len);
/** @ingroup altcp_tls
* Create an ALTCP_TLS client configuration handle
*/
struct altcp_tls_config *altcp_tls_create_config_client(const u8_t *cert, size_t cert_len);
/** @ingroup altcp_tls
* Create an ALTCP_TLS client configuration handle with two-way server/client authentication
*/
struct altcp_tls_config *altcp_tls_create_config_client_2wayauth(const u8_t *ca, size_t ca_len, const u8_t *privkey, size_t privkey_len,
const u8_t *privkey_pass, size_t privkey_pass_len,
const u8_t *cert, size_t cert_len);
/** @ingroup altcp_tls
* Free an ALTCP_TLS configuration handle
*/
void altcp_tls_free_config(struct altcp_tls_config *conf);
/** @ingroup altcp_tls
* Create new ALTCP_TLS layer wrapping an existing pcb as inner connection (e.g. TLS over TCP)
*/
struct altcp_pcb *altcp_tls_wrap(struct altcp_tls_config *config, struct altcp_pcb *inner_pcb);
/** @ingroup altcp_tls
* Create new ALTCP_TLS pcb and its inner tcp pcb
*/
struct altcp_pcb *altcp_tls_new(struct altcp_tls_config *config, u8_t ip_type);
/** @ingroup altcp_tls
* Create new ALTCP_TLS layer pcb and its inner tcp pcb.
* Same as @ref altcp_tls_new but this allocator function fits to
* @ref altcp_allocator_t / @ref altcp_new.\n
'arg' must contain a struct altcp_tls_config *.
*/
struct altcp_pcb *altcp_tls_alloc(void *arg, u8_t ip_type);
/** @ingroup altcp_tls
* Return pointer to internal TLS context so application can tweak it.
* Real type depends on port (e.g. mbedtls)
*/
void *altcp_tls_context(struct altcp_pcb *conn);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_ALTCP_TLS */
#endif /* LWIP_ALTCP */
#endif /* LWIP_HDR_ALTCP_TLS_H */
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