113 lines
4 KiB
C
113 lines
4 KiB
C
/*
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* Copyright (c) 2015, Yanzi Networks AB.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup oma-lwm2m
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* @{
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*
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*/
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/**
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* \file
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* Implementation of the Contiki OMA LWM2M security
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* \author
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* Joakim Eriksson <joakime@sics.se>
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* Niclas Finne <nfi@sics.se>
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*/
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#include <stdint.h>
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#include "lwm2m-object.h"
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#include "lwm2m-engine.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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#ifdef LWM2M_CONF_SERVER_MAX_COUNT
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#define MAX_COUNT LWM2M_CONF_SERVER_MAX_COUNT
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#else
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#define MAX_COUNT 2
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#endif
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/* hoping that we do not get more than 64 bytes... */
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#define MAX_SIZE 64
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static int32_t bs_arr[MAX_COUNT];
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static int32_t secmode_arr[MAX_COUNT];
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static int32_t sid_arr[MAX_COUNT];
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static char server_uri[MAX_COUNT][MAX_SIZE];
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static uint16_t su_len[MAX_COUNT];
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static char client_id[MAX_COUNT][MAX_SIZE];
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static uint16_t client_id_len[MAX_COUNT];
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static char server_id[MAX_COUNT][MAX_SIZE];
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static uint16_t server_id_len[MAX_COUNT];
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static char psk_key[MAX_COUNT][MAX_SIZE];
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static uint16_t psk_key_len[MAX_COUNT];
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static lwm2m_instance_t security_instances[MAX_COUNT];
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LWM2M_RESOURCES(security_resources,
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LWM2M_RESOURCE_STRING_VAR_ARR(0, MAX_COUNT, MAX_SIZE, su_len, server_uri),
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LWM2M_RESOURCE_INTEGER_VAR_ARR(1, MAX_COUNT, bs_arr),
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LWM2M_RESOURCE_INTEGER_VAR_ARR(2, MAX_COUNT, secmode_arr),
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LWM2M_RESOURCE_STRING_VAR_ARR(3, MAX_COUNT, MAX_SIZE, client_id_len, client_id),
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LWM2M_RESOURCE_STRING_VAR_ARR(4, MAX_COUNT, MAX_SIZE, server_id_len, server_id),
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/* TODO This should not be readable! */
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LWM2M_RESOURCE_STRING_VAR_ARR(5, MAX_COUNT, MAX_SIZE, psk_key_len, psk_key),
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LWM2M_RESOURCE_INTEGER_VAR_ARR(10, MAX_COUNT, sid_arr)
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);
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LWM2M_OBJECT(security, 0, security_instances);
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/*---------------------------------------------------------------------------*/
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void
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lwm2m_security_init(void)
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{
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lwm2m_instance_t template = LWM2M_INSTANCE_UNUSED(0, security_resources);
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int i;
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/* Initialize the instances */
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for(i = 0; i < MAX_COUNT; i++) {
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security_instances[i] = template;
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security_instances[i].id = i;
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}
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/**
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* Register this device and its handlers - the handlers
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* automatically sends in the object to handle.
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*/
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PRINTF("*** Init lwm2m-security\n");
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lwm2m_engine_register_object(&security);
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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