diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/lwm2m_objects_tlv.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/lwm2m_objects_tlv.c | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/lwm2m_objects_tlv.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/lwm2m_objects_tlv.c new file mode 100644 index 0000000..93cb6c1 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/lwm2m_objects_tlv.c @@ -0,0 +1,498 @@ +/** + * Copyright (c) 2015 - 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. + * + */ +#include "lwm2m_objects_tlv.h" +#include "lwm2m_tlv.h" + +static void index_buffer_len_update(uint32_t * index, uint32_t * buffer_len, uint32_t max_buffer) +{ + *index += *buffer_len; + *buffer_len = max_buffer - *index; +} + +uint32_t lwm2m_tlv_server_decode(lwm2m_server_t * server, uint8_t * buffer, uint32_t buffer_len) +{ + uint32_t err_code; + lwm2m_tlv_t tlv; + + uint32_t index = 0; + + while (index < buffer_len) + { + err_code = lwm2m_tlv_decode(&tlv, &index, buffer, buffer_len); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + switch (tlv.id) + { + case LWM2M_SERVER_SHORT_SERVER_ID: + { + if (lwm2m_tlv_bytebuffer_to_uint16(tlv.value, tlv.length, &server->short_server_id) != NRF_SUCCESS) + { + return NRF_ERROR_INVALID_DATA; + } + + break; + } + + case LWM2M_SERVER_LIFETIME: + { + if (lwm2m_tlv_bytebuffer_to_uint32(tlv.value, tlv.length, &server->lifetime)) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SERVER_DEFAULT_MIN_PERIOD: + { + if (lwm2m_tlv_bytebuffer_to_uint32(tlv.value, tlv.length, &server->default_minimum_period)) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SERVER_DEFAULT_MAX_PERIOD: + { + if (lwm2m_tlv_bytebuffer_to_uint32(tlv.value, tlv.length, &server->default_maximum_period)) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SERVER_DISABLE: + { + // Execute do nothing + break; + } + + case LWM2M_SERVER_DISABLE_TIMEOUT: + { + if (lwm2m_tlv_bytebuffer_to_uint32(tlv.value, tlv.length, &server->disable_timeout)) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SERVER_NOTIFY_WHEN_DISABLED: + { + server->notification_storing_on_disabled = tlv.value[0]; + break; + } + case LWM2M_SERVER_BINDING: + { + // If original buffer is gone this will also be gone + server->binding.len = tlv.length; + server->binding.p_val = (char *) tlv.value; + break; + } + + case LWM2M_SERVER_REGISTRATION_UPDATE_TRIGGER: + { + // Execute do nothing + break; + } + + default: + break; + } + } + + return NRF_SUCCESS; +} + + +uint32_t lwm2m_tlv_security_decode(lwm2m_security_t * p_security, + uint8_t * p_buffer, + uint32_t buffer_len) +{ + uint32_t err_code; + lwm2m_tlv_t tlv; + + uint32_t index = 0; + + while (index < buffer_len) + { + err_code = lwm2m_tlv_decode(&tlv, &index, p_buffer, buffer_len); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + switch (tlv.id) + { + case LWM2M_SECURITY_SERVER_URI: + { + p_security->server_uri.p_val = (char *)tlv.value; + p_security->server_uri.len = tlv.length; + break; + } + + case LWM2M_SECURITY_BOOTSTRAP_SERVER: + { + p_security->bootstrap_server = tlv.value[0]; + break; + } + + case LWM2M_SECURITY_SECURITY_MODE: + { + p_security->security_mode = tlv.value[0]; + break; + } + + case LWM2M_SECURITY_PUBLIC_KEY: + { + p_security->public_key.p_val = tlv.value; + p_security->public_key.len = tlv.length; + break; + } + + case LWM2M_SECURITY_SERVER_PUBLIC_KEY: + { + p_security->server_public_key.p_val = tlv.value; + p_security->server_public_key.len = tlv.length; + break; + } + + case LWM2M_SECURITY_SECRET_KEY: + { + p_security->secret_key.p_val = tlv.value; + p_security->secret_key.len = tlv.length; + break; + } + + case LWM2M_SECURITY_SMS_SECURITY_MODE: + { + p_security->sms_security_mode = tlv.value[0]; + break; + } + + case LWM2M_SECURITY_SMS_BINDING_KEY_PARAM: + { + p_security->sms_binding_key_param.p_val = tlv.value; + p_security->sms_binding_key_param.len = tlv.length; + break; + } + + case LWM2M_SECURITY_SMS_BINDING_SECRET_KEY: + { + p_security->sms_binding_secret_keys.p_val = tlv.value; + p_security->sms_binding_secret_keys.len = tlv.length; + break; + } + + case LWM2M_SECURITY_SERVER_SMS_NUMBER: + { + uint32_t result = lwm2m_tlv_bytebuffer_to_uint32(tlv.value, + tlv.length, + &p_security->sms_number); + if (result != NRF_SUCCESS) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SECURITY_SHORT_SERVER_ID: + { + uint32_t result = lwm2m_tlv_bytebuffer_to_uint16(tlv.value, + tlv.length, + &p_security->short_server_id); + if (result != NRF_SUCCESS) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + case LWM2M_SECURITY_CLIENT_HOLD_OFF_TIME: + { + uint32_t result = lwm2m_tlv_bytebuffer_to_uint32(tlv.value, + tlv.length, + &p_security->client_hold_off_time); + if (result != NRF_SUCCESS) + { + return NRF_ERROR_INVALID_DATA; + } + break; + } + + default: + break; + } + } + + return NRF_SUCCESS; +} + + +uint32_t lwm2m_tlv_server_encode(uint8_t * p_buffer, + uint32_t * p_buffer_len, + lwm2m_server_t * p_server) +{ + uint32_t err_code; + uint32_t max_buffer = *p_buffer_len; + uint32_t index = 0; + + lwm2m_tlv_t tlv; + tlv.id_type = TLV_TYPE_RESOURCE_VAL; // Type is the same for all. + + // Encode short server id. + lwm2m_tlv_uint16_set(&tlv, p_server->short_server_id, LWM2M_SERVER_SHORT_SERVER_ID); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode lifetime. + lwm2m_tlv_uint32_set(&tlv, p_server->lifetime, LWM2M_SERVER_LIFETIME); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode default minimum period. + lwm2m_tlv_uint32_set(&tlv, p_server->default_minimum_period, LWM2M_SERVER_DEFAULT_MIN_PERIOD); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode default maximum period. + lwm2m_tlv_uint32_set(&tlv, p_server->default_maximum_period, LWM2M_SERVER_DEFAULT_MAX_PERIOD); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode disable timeout. + lwm2m_tlv_uint32_set(&tlv, p_server->disable_timeout, LWM2M_SERVER_DISABLE_TIMEOUT); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode Notify when disabled. + lwm2m_tlv_bool_set(&tlv, p_server->notification_storing_on_disabled, LWM2M_SERVER_NOTIFY_WHEN_DISABLED); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode binding. + lwm2m_tlv_string_set(&tlv, p_server->binding, LWM2M_SERVER_BINDING); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + *p_buffer_len = index; + + return NRF_SUCCESS; +} + + +uint32_t lwm2m_tlv_security_encode(uint8_t * p_buffer, + uint32_t * p_buffer_len, + lwm2m_security_t * p_security) +{ + uint32_t err_code; + uint32_t max_buffer = *p_buffer_len; + uint32_t index = 0; + + lwm2m_tlv_t tlv; + tlv.id_type = TLV_TYPE_RESOURCE_VAL; // type is the same for all. + + + lwm2m_tlv_string_set(&tlv, p_security->server_uri, LWM2M_SECURITY_SERVER_URI); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_bool_set(&tlv, p_security->bootstrap_server, LWM2M_SECURITY_BOOTSTRAP_SERVER); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_uint16_set(&tlv, p_security->security_mode, LWM2M_SECURITY_SECURITY_MODE); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_opaque_set(&tlv, p_security->public_key, LWM2M_SECURITY_PUBLIC_KEY); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_opaque_set(&tlv, p_security->server_public_key, LWM2M_SECURITY_SERVER_PUBLIC_KEY); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_opaque_set(&tlv, p_security->secret_key, LWM2M_SECURITY_SECRET_KEY); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_uint16_set(&tlv, p_security->sms_security_mode, LWM2M_SECURITY_SMS_SECURITY_MODE); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_opaque_set(&tlv, p_security->sms_binding_key_param, LWM2M_SECURITY_SMS_BINDING_KEY_PARAM); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_opaque_set(&tlv, p_security->sms_binding_secret_keys, LWM2M_SECURITY_SMS_BINDING_SECRET_KEY); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_uint32_set(&tlv, p_security->sms_number, LWM2M_SECURITY_SERVER_SMS_NUMBER); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_uint16_set(&tlv, p_security->short_server_id, LWM2M_SECURITY_SHORT_SERVER_ID); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + lwm2m_tlv_uint32_set(&tlv, p_security->client_hold_off_time, LWM2M_SECURITY_CLIENT_HOLD_OFF_TIME); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + return NRF_SUCCESS; +} |