98 lines
3.4 KiB
C
98 lines
3.4 KiB
C
/*
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* Copyright (c) 2017, RISE SICS 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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* \file
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* A simple keystore with fixed credentials.
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* \author
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* Niclas Finne <nfi@sics.se>
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* Joakim Eriksson <joakime@sics.se>
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*/
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/**
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* \addtogroup coap-keystore
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* @{
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*/
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#include "coap-endpoint.h"
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#include "coap-keystore.h"
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#include <string.h>
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#ifdef WITH_DTLS
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#ifdef COAP_DTLS_PSK_DEFAULT_IDENTITY
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#ifdef COAP_DTLS_PSK_DEFAULT_KEY
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/*---------------------------------------------------------------------------*/
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static int
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get_default_psk_info(const coap_endpoint_t *address_info,
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coap_keystore_psk_entry_t *info)
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{
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if(info != NULL) {
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if(info->identity == NULL || info->identity_len == 0) {
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/* Identity requested */
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info->identity = (uint8_t *)COAP_DTLS_PSK_DEFAULT_IDENTITY;
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info->identity_len = strlen(COAP_DTLS_PSK_DEFAULT_IDENTITY);
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return 1;
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}
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if(info->identity_len != strlen(COAP_DTLS_PSK_DEFAULT_IDENTITY) ||
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memcmp(info->identity, COAP_DTLS_PSK_DEFAULT_IDENTITY,
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info->identity_len) != 0) {
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/* Identity not matching */
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return 0;
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}
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info->key = (uint8_t *)COAP_DTLS_PSK_DEFAULT_KEY;
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info->key_len = strlen(COAP_DTLS_PSK_DEFAULT_KEY);
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return 1;
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}
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return 0;
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}
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static const coap_keystore_t simple_key_store = {
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.coap_get_psk_info = get_default_psk_info
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};
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/*---------------------------------------------------------------------------*/
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#endif /* COAP_DTLS_PSK_DEFAULT_KEY */
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#endif /* COAP_DTLS_PSK_DEFAULT_IDENTITY */
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#endif /* WITH_DTLS */
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/*---------------------------------------------------------------------------*/
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void
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coap_keystore_simple_init(void)
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{
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#ifdef WITH_DTLS
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#ifdef COAP_DTLS_PSK_DEFAULT_IDENTITY
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#ifdef COAP_DTLS_PSK_DEFAULT_KEY
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coap_set_keystore(&simple_key_store);
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#endif /* COAP_DTLS_PSK_DEFAULT_KEY */
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#endif /* COAP_DTLS_PSK_DEFAULT_IDENTITY */
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#endif /* WITH_DTLS */
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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