diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/mqtt/mqtt_transport_tls.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/mqtt/mqtt_transport_tls.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/mqtt/mqtt_transport_tls.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/mqtt/mqtt_transport_tls.c new file mode 100644 index 0000000..8f74600 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/mqtt/mqtt_transport_tls.c @@ -0,0 +1,185 @@ +/** + * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +/** @file + * + * @brief MQTT Client Implementation TLS layer. + * + * This file contains the source code for MQTT Protocol TLS layer for a nRF device. + * The implementation is limited to MQTT Client role only. + */ + + +#include "mqtt_transport.h" +#include "mqtt_internal.h" +#include "mqtt_rx.h" +#include "mem_manager.h" + +#if MQTT_CONFIG_LOG_ENABLED + +#define NRF_LOG_MODULE_NAME mqtt_tls + +#define NRF_LOG_LEVEL MQTT_CONFIG_LOG_LEVEL +#define NRF_LOG_INFO_COLOR MQTT_CONFIG_INFO_COLOR +#define NRF_LOG_DEBUG_COLOR MQTT_CONFIG_DEBUG_COLOR + +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#define MQTT_TRC NRF_LOG_DEBUG /**< Used for getting trace of execution in the module. */ +#define MQTT_ERR NRF_LOG_ERROR /**< Used for logging errors in the module. */ +#define MQTT_DUMP NRF_LOG_HEXDUMP_DEBUG /**< Used for dumping octet information to get details of bond information etc. */ + +#define MQTT_ENTRY() MQTT_TRC(">> %s", __func__) +#define MQTT_EXIT() MQTT_TRC("<< %s", __func__) + +#else // MQTT_CONFIG_LOG_ENABLED + +#define MQTT_TRC(...) /**< Disables traces. */ +#define MQTT_DUMP(...) /**< Disables dumping of octet streams. */ +#define MQTT_ERR(...) /**< Disables error logs. */ + +#define MQTT_ENTRY(...) +#define MQTT_EXIT(...) + +#endif // MQTT_CONFIG_LOG_ENABLED + +uint32_t mqtt_client_tls_output_handler(nrf_tls_instance_t const * p_instance, + uint8_t const * p_data, + uint32_t datalen) +{ + NULL_PARAM_CHECK(p_instance); + + uint32_t err_code = NRF_ERROR_INTERNAL; + mqtt_client_t * p_client = (mqtt_client_t *)p_instance->transport_id; + + MQTT_MUTEX_LOCK(); + + MQTT_TRC(">> %s, client %p", __func__, p_client); + + if (p_client != NULL) + { + err_code = mqtt_client_tcp_write(p_client, p_data, datalen); + } + + MQTT_TRC("<< %s, client %p, result 0x%08x", __func__, + p_client, err_code); + + MQTT_MUTEX_UNLOCK(); + + return err_code; +} + + +uint32_t mqtt_client_tls_connect(mqtt_client_t * p_client) +{ + const nrf_tls_options_t tls_option = + { + .output_fn = mqtt_client_tls_output_handler, + .transport_type = NRF_TLS_TYPE_STREAM, + .role = NRF_TLS_ROLE_CLIENT, + .p_key_settings = p_client->p_security_settings + }; + + connect_request_encode(p_client, + &p_client->p_pending_packet, + &p_client->pending_packetlen); + + p_client->tls_instance.transport_id = (uint32_t)p_client; + + MQTT_MUTEX_UNLOCK (); + + uint32_t err_code = nrf_tls_alloc(&p_client->tls_instance, &tls_option); + + MQTT_MUTEX_LOCK (); + + return err_code; +} + + +uint32_t mqtt_client_tls_write(mqtt_client_t * p_client, + uint8_t const * p_data, + uint32_t datalen) +{ + MQTT_MUTEX_UNLOCK (); + + uint32_t err_code = nrf_tls_write(&p_client->tls_instance, p_data, &datalen); + + MQTT_MUTEX_LOCK (); + + return err_code; +} + + +uint32_t mqtt_client_tls_read(mqtt_client_t * p_client, uint8_t * p_data, uint32_t datalen) +{ + uint32_t err = nrf_tls_input(&p_client->tls_instance, p_data, datalen); + + if ((err == NRF_SUCCESS) && (p_client->p_pending_packet == NULL)) + { + uint32_t rx_datalen = 1024; + uint8_t * p_mqtt_data = nrf_malloc(1024); + + if (p_data != NULL) + { + MQTT_MUTEX_UNLOCK (); + + err = nrf_tls_read(&p_client->tls_instance, + p_mqtt_data, + &rx_datalen); + + MQTT_MUTEX_LOCK (); + + if ((err == NRF_SUCCESS) && (rx_datalen > 0)) + { + err = mqtt_handle_rx_data(p_client, p_mqtt_data, rx_datalen); + } + + nrf_free(p_mqtt_data); + } + } + + return err; +} + + +uint32_t mqtt_client_tls_disconnect(mqtt_client_t * p_client) +{ + return mqtt_client_tcp_disconnect(p_client); +} |