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1 office 1 /**
2 * @file
3 * Application layered TCP/TLS connection API (to be used from TCPIP thread)
4 *
5 * @defgroup altcp_tls TLS layer
6 * @ingroup altcp
7 * This file contains function prototypes for a TLS layer.
8 * A port to ARM mbedtls is provided in the apps/ tree
9 * (LWIP_ALTCP_TLS_MBEDTLS option).
10 */
11  
12 /*
13 * Copyright (c) 2017 Simon Goldschmidt
14 * All rights reserved.
15 *
16 * Redistribution and use in source and binary forms, with or without modification,
17 * are permitted provided that the following conditions are met:
18 *
19 * 1. Redistributions of source code must retain the above copyright notice,
20 * this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright notice,
22 * this list of conditions and the following disclaimer in the documentation
23 * and/or other materials provided with the distribution.
24 * 3. The name of the author may not be used to endorse or promote products
25 * derived from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
28 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
29 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
30 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
32 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
35 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
36 * OF SUCH DAMAGE.
37 *
38 * This file is part of the lwIP TCP/IP stack.
39 *
40 * Author: Simon Goldschmidt <goldsimon@gmx.de>
41 *
42 */
43 #ifndef LWIP_HDR_ALTCP_TLS_H
44 #define LWIP_HDR_ALTCP_TLS_H
45  
46 #include "lwip/opt.h"
47  
48 #if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */
49  
50 #if LWIP_ALTCP_TLS
51  
52 #include "lwip/altcp.h"
53  
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57  
58 /** @ingroup altcp_tls
59 * ALTCP_TLS configuration handle, content depends on port (e.g. mbedtls)
60 */
61 struct altcp_tls_config;
62  
63 /** @ingroup altcp_tls
64 * Create an ALTCP_TLS server configuration handle
65 */
66 struct altcp_tls_config *altcp_tls_create_config_server_privkey_cert(const u8_t *privkey, size_t privkey_len,
67 const u8_t *privkey_pass, size_t privkey_pass_len,
68 const u8_t *cert, size_t cert_len);
69  
70 /** @ingroup altcp_tls
71 * Create an ALTCP_TLS client configuration handle
72 */
73 struct altcp_tls_config *altcp_tls_create_config_client(const u8_t *cert, size_t cert_len);
74  
75 /** @ingroup altcp_tls
76 * Free an ALTCP_TLS configuration handle
77 */
78 void altcp_tls_free_config(struct altcp_tls_config *conf);
79  
80 /** @ingroup altcp_tls
81 * Create new ALTCP_TLS layer
82 */
83 struct altcp_pcb *altcp_tls_new(struct altcp_tls_config* config, struct altcp_pcb *inner_pcb);
84  
85 /** @ingroup altcp_tls
86 * Return pointer to internal TLS context so application can tweak it.
87 * Real type depends on port (e.g. mbedtls)
88 */
89 void *altcp_tls_context (struct altcp_pcb *conn);
90  
91 #ifdef __cplusplus
92 }
93 #endif
94  
95 #endif /* LWIP_ALTCP_TLS */
96 #endif /* LWIP_ALTCP */
97 #endif /* LWIP_HDR_ALTCP_TLS_H */