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/* *****************************************************************
*
* Copyright 2015 Samsung Electronics All Rights Reserved.
*
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* *****************************************************************/
#include <memory.h>
#include "ocstack.h"
#include "securevirtualresourcetypes.h"
#include "doxmresource.h"
#include "cacommon.h"
#include "cainterface.h"
#include "oic_malloc.h"
#include "logger.h"
#include "global.h"
#include "pmtypes.h"
#include "ownershiptransfermanager.h"
#define TAG "OXM_JustWorks"
char* CreateJustWorksSelectOxmPayload(OTMContext_t* otmCtx)
{
if(!otmCtx || !otmCtx->selectedDeviceInfo)
{
return NULL;
}
otmCtx->selectedDeviceInfo->doxm->oxmSel = OIC_JUST_WORKS;
return BinToDoxmJSON(otmCtx->selectedDeviceInfo->doxm);
}
char* CreateJustWorksOwnerTransferPayload(OTMContext_t* otmCtx)
{
if(!otmCtx || !otmCtx->selectedDeviceInfo)
{
return NULL;
}
OicUuid_t uuidPT = {.id={0}};
if (OC_STACK_OK != GetDoxmDeviceID(&uuidPT))
{
OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
return NULL;
}
memcpy(otmCtx->selectedDeviceInfo->doxm->owner.id, uuidPT.id , UUID_LENGTH);
otmCtx->selectedDeviceInfo->doxm->owned = true;
return BinToDoxmJSON(otmCtx->selectedDeviceInfo->doxm);
}
OCStackResult LoadSecretJustWorksCallback(OTMContext_t* UNUSED_PARAM)
{
//In case of 'just works', secret data not required
(void)UNUSED_PARAM;
return OC_STACK_OK;
}
OCStackResult CreateSecureSessionJustWorksCallback(OTMContext_t* otmCtx)
{
OIC_LOG(INFO, TAG, "IN CreateSecureSessionJustWorksCallback");
if(!otmCtx || !otmCtx->selectedDeviceInfo)
{
return OC_STACK_INVALID_PARAM;
}
CAResult_t caresult = CAEnableAnonECDHCipherSuite(true);
if (CA_STATUS_OK != caresult)
{
OIC_LOG_V(ERROR, TAG, "Unable to enable anon cipher suite");
return OC_STACK_ERROR;
}
OIC_LOG(INFO, TAG, "Anonymous cipher suite Enabled.");
caresult = CASelectCipherSuite(TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256);
if (CA_STATUS_OK != caresult)
{
OIC_LOG_V(ERROR, TAG, "Failed to select TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256");
caresult = CAEnableAnonECDHCipherSuite(false);
if (CA_STATUS_OK != caresult)
{
OIC_LOG_V(ERROR, TAG, "Unable to enable anon cipher suite");
}
else
{
OIC_LOG(INFO, TAG, "Anonymous cipher suite Disabled.");
}
return OC_STACK_ERROR;
}
OIC_LOG(INFO, TAG, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256 cipher suite selected.");
OCProvisionDev_t* selDevInfo = otmCtx->selectedDeviceInfo;
CAEndpoint_t *endpoint = (CAEndpoint_t *)OICCalloc(1, sizeof (CAEndpoint_t));
if(NULL == endpoint)
{
return OC_STACK_NO_MEMORY;
}
memcpy(endpoint,&selDevInfo->endpoint,sizeof(CAEndpoint_t));
endpoint->port = selDevInfo->securePort;
caresult = CAInitiateHandshake(endpoint);
OICFree(endpoint);
if (CA_STATUS_OK != caresult)
{
OIC_LOG_V(ERROR, TAG, "DTLS handshake failure.");
return OC_STACK_ERROR;
}
OIC_LOG(INFO, TAG, "OUT CreateSecureSessionJustWorksCallback");
return OC_STACK_OK;
}
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