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_MBEDTLS_MEM_H */ 73