esp-idf/components/esp-tls/private_include/esp_tls_mbedtls.h

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// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "esp_tls.h"
/**
* Internal Callback API for mbedtls_ssl_read
*/
ssize_t esp_mbedtls_read(esp_tls_t *tls, char *data, size_t datalen);
/**
* Internal callback API for mbedtls_ssl_write
*/
ssize_t esp_mbedtls_write(esp_tls_t *tls, const char *data, size_t datalen);
/**
* Internal Callback for mbedtls_handshake
*/
int esp_mbedtls_handshake(esp_tls_t *tls, const esp_tls_cfg_t *cfg);
/**
* Internal Callback for mbedtls_cleanup , frees up all the memory used by mbedtls
*/
void esp_mbedtls_cleanup(esp_tls_t *tls);
/**
* Internal Callback for Certificate verification for mbedtls
*/
void esp_mbedtls_verify_certificate(esp_tls_t *tls);
/**
* Internal Callback for deleting the mbedtls connection
*/
void esp_mbedtls_conn_delete(esp_tls_t *tls);
/**
* Internal Callback for mbedtls_get_bytes_avail
*/
ssize_t esp_mbedtls_get_bytes_avail(esp_tls_t *tls);
/**
* Internal Callback for creating ssl handle for mbedtls
*/
esp_err_t esp_create_mbedtls_handle(const char *hostname, size_t hostlen, const void *cfg, esp_tls_t *tls);
/**
* mbedTLS function for Initializing socket wrappers
*/
static inline void esp_mbedtls_net_init(esp_tls_t *tls)
{
mbedtls_net_init(&tls->server_fd);
}
#ifdef CONFIG_ESP_TLS_SERVER
/**
* Internal Callback for set_server_config
*
* /note :- can only be used with mbedtls ssl library
*/
esp_err_t set_server_config(esp_tls_cfg_server_t *cfg, esp_tls_t *tls);
/**
* Internal Callback for mbedtls_server_session_create
*
* /note :- The function can only be used with mbedtls ssl library
*/
int esp_mbedtls_server_session_create(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls);
/**
* Internal Callback for mbedtls_server_session_delete
*
* /note :- The function can only be used with mbedtls ssl library
*/
void esp_mbedtls_server_session_delete(esp_tls_t *tls);
#endif
/**
* Internal Callback for set_client_config_function
*/
esp_err_t set_client_config(const char *hostname, size_t hostlen, esp_tls_cfg_t *cfg, esp_tls_t *tls);
/**
* Internal Callback for mbedtls_init_global_ca_store
*/
esp_err_t esp_mbedtls_init_global_ca_store(void);
/**
* Callback function for setting global CA store data for TLS/SSL using mbedtls
*/
esp_err_t esp_mbedtls_set_global_ca_store(const unsigned char *cacert_pem_buf, const unsigned int cacert_pem_bytes);
/**
* Internal Callback for esp_tls_global_ca_store
*/
mbedtls_x509_crt *esp_mbedtls_get_global_ca_store(void);
/**
* Callback function for freeing global ca store for TLS/SSL using mbedtls
*/
void esp_mbedtls_free_global_ca_store(void);