2022-04-19 22:39:13 -04:00
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/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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/**
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* @brief ESP-TLS Connection Handle
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*/
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#include <stdbool.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include "esp_err.h"
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#include "esp_tls_errors.h"
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#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
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#include "mbedtls/platform.h"
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#include "mbedtls/net_sockets.h"
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#include "mbedtls/esp_debug.h"
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#include "mbedtls/ssl.h"
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#include "mbedtls/entropy.h"
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#include "mbedtls/ctr_drbg.h"
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#include "mbedtls/error.h"
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#ifdef CONFIG_ESP_TLS_SERVER_SESSION_TICKETS
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#include "mbedtls/ssl_ticket.h"
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#endif
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2023-04-25 08:10:01 -04:00
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#ifdef CONFIG_MBEDTLS_SSL_PROTO_TLS1_3
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#include "psa/crypto.h"
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#endif
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2022-04-19 22:39:13 -04:00
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#elif CONFIG_ESP_TLS_USING_WOLFSSL
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#include "wolfssl/wolfcrypt/settings.h"
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#include "wolfssl/ssl.h"
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#endif
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struct esp_tls {
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#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
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mbedtls_ssl_context ssl; /*!< TLS/SSL context */
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mbedtls_entropy_context entropy; /*!< mbedTLS entropy context structure */
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mbedtls_ctr_drbg_context ctr_drbg; /*!< mbedTLS ctr drbg context structure.
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CTR_DRBG is deterministic random
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bit generation based on AES-256 */
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mbedtls_ssl_config conf; /*!< TLS/SSL configuration to be shared
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between mbedtls_ssl_context
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structures */
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mbedtls_net_context server_fd; /*!< mbedTLS wrapper type for sockets */
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mbedtls_x509_crt cacert; /*!< Container for the X.509 CA certificate */
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mbedtls_x509_crt *cacert_ptr; /*!< Pointer to the cacert being used. */
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mbedtls_x509_crt clientcert; /*!< Container for the X.509 client certificate */
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mbedtls_pk_context clientkey; /*!< Container for the private key of the client
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certificate */
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#ifdef CONFIG_ESP_TLS_SERVER
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mbedtls_x509_crt servercert; /*!< Container for the X.509 server certificate */
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mbedtls_pk_context serverkey; /*!< Container for the private key of the server
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certificate */
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#endif
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#elif CONFIG_ESP_TLS_USING_WOLFSSL
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void *priv_ctx;
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void *priv_ssl;
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#endif
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int sockfd; /*!< Underlying socket file descriptor. */
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ssize_t (*read)(esp_tls_t *tls, char *data, size_t datalen); /*!< Callback function for reading data from TLS/SSL
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connection. */
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ssize_t (*write)(esp_tls_t *tls, const char *data, size_t datalen); /*!< Callback function for writing data to TLS/SSL
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connection. */
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esp_tls_conn_state_t conn_state; /*!< ESP-TLS Connection state */
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fd_set rset; /*!< read file descriptors */
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fd_set wset; /*!< write file descriptors */
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bool is_tls; /*!< indicates connection type (TLS or NON-TLS) */
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esp_tls_role_t role; /*!< esp-tls role
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- ESP_TLS_CLIENT
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- ESP_TLS_SERVER */
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esp_tls_error_handle_t error_handle; /*!< handle to error descriptor */
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};
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