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1 office 1 /**
2 * @file
3 * Application layered TCP/TLS connection API (to be used from TCPIP thread)
4 *
5 * This file contains memory management function prototypes for a TLS layer using mbedTLS.
6 *
7 * Memory management contains:
8 * - allocating/freeing altcp_mbedtls_state_t
9 * - allocating/freeing memory used in the mbedTLS library
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_MBEDTLS_MEM_H
44 #define LWIP_HDR_ALTCP_MBEDTLS_MEM_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 #include "lwip/apps/altcp_tls_mbedtls_opts.h"
51  
52 #if LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS
53  
54 #include "altcp_tls_mbedtls_structs.h"
55  
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59  
60 void altcp_mbedtls_mem_init(void);
61 altcp_mbedtls_state_t *altcp_mbedtls_alloc(void *conf);
62 void altcp_mbedtls_free(void *conf, altcp_mbedtls_state_t *state);
63 void *altcp_mbedtls_alloc_config(size_t size);
64 void altcp_mbedtls_free_config(void *item);
65  
66 #ifdef __cplusplus
67 }
68 #endif
69  
70 #endif /* LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS */
71 #endif /* LWIP_ALTCP */
72 #endif /* LWIP_HDR_ALTCP_TLS_H */