resource/csdk/security/provisioning/src/oxmjustworks.c

   1 /* *****************************************************************
   2  *
   3  * Copyright 2015 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * *****************************************************************/
  20
  21 #include <memory.h>
  22 #include "ocstack.h"
  23 #include "securevirtualresourcetypes.h"
  24 #include "doxmresource.h"
  25 #include "cacommon.h"
  26 #include "cainterface.h"
  27 #include "oic_malloc.h"
  28 #include "logger.h"
  29 #include "global.h"
  30 #include "pmtypes.h"
  31 #include "ownershiptransfermanager.h"
  32
  33 #define TAG "OXM_JustWorks"
  34
  35 char* CreateJustWorksSelectOxmPayload(OTMContext_t* otmCtx)
  36 {
  37     if(!otmCtx || !otmCtx->selectedDeviceInfo)
  38     {
  39         return NULL;
  40     }
  41
  42     otmCtx->selectedDeviceInfo->doxm->oxmSel = OIC_JUST_WORKS;
  43     return BinToDoxmJSON(otmCtx->selectedDeviceInfo->doxm);
  44 }
  45
  46 char* CreateJustWorksOwnerTransferPayload(OTMContext_t* otmCtx)
  47 {
  48     if(!otmCtx || !otmCtx->selectedDeviceInfo)
  49     {
  50         return NULL;
  51     }
  52
  53     OicUuid_t uuidPT = {.id={0}};
  54
  55     if (OC_STACK_OK != GetDoxmDeviceID(&uuidPT))
  56     {
  57         OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
  58         return NULL;
  59     }
  60     memcpy(otmCtx->selectedDeviceInfo->doxm->owner.id, uuidPT.id , UUID_LENGTH);
  61     otmCtx->selectedDeviceInfo->doxm->owned = true;
  62
  63     return BinToDoxmJSON(otmCtx->selectedDeviceInfo->doxm);
  64 }
  65
  66 OCStackResult LoadSecretJustWorksCallback(OTMContext_t* UNUSED_PARAM)
  67 {
  68     //In case of 'just works', secret data not required
  69     (void)UNUSED_PARAM;
  70     return OC_STACK_OK;
  71 }
  72
  73 OCStackResult CreateSecureSessionJustWorksCallback(OTMContext_t* otmCtx)
  74 {
  75     OIC_LOG(INFO, TAG, "IN CreateSecureSessionJustWorksCallback");
  76     if(!otmCtx || !otmCtx->selectedDeviceInfo)
  77     {
  78         return OC_STACK_INVALID_PARAM;
  79     }
  80
  81     CAResult_t caresult = CAEnableAnonECDHCipherSuite(true);
  82     if (CA_STATUS_OK != caresult)
  83     {
  84         OIC_LOG_V(ERROR, TAG, "Unable to enable anon cipher suite");
  85         return OC_STACK_ERROR;
  86     }
  87     OIC_LOG(INFO, TAG, "Anonymous cipher suite Enabled.");
  88
  89     caresult  = CASelectCipherSuite(TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256);
  90     if (CA_STATUS_OK != caresult)
  91     {
  92         OIC_LOG_V(ERROR, TAG, "Failed to select TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256");
  93         caresult = CAEnableAnonECDHCipherSuite(false);
  94         if (CA_STATUS_OK != caresult)
  95         {
  96             OIC_LOG_V(ERROR, TAG, "Unable to enable anon cipher suite");
  97         }
  98         else
  99         {
 100             OIC_LOG(INFO, TAG, "Anonymous cipher suite Disabled.");
 101         }
 102         return OC_STACK_ERROR;
 103     }
 104     OIC_LOG(INFO, TAG, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA_256 cipher suite selected.");
 105
 106     OCProvisionDev_t* selDevInfo = otmCtx->selectedDeviceInfo;
 107     CAEndpoint_t *endpoint = (CAEndpoint_t *)OICCalloc(1, sizeof (CAEndpoint_t));
 108     if(NULL == endpoint)
 109     {
 110         return OC_STACK_NO_MEMORY;
 111     }
 112     memcpy(endpoint,&selDevInfo->endpoint,sizeof(CAEndpoint_t));
 113     endpoint->port = selDevInfo->securePort;
 114
 115     caresult = CAInitiateHandshake(endpoint);
 116     OICFree(endpoint);
 117     if (CA_STATUS_OK != caresult)
 118     {
 119         OIC_LOG_V(ERROR, TAG, "DTLS handshake failure.");
 120         return OC_STACK_ERROR;
 121     }
 122
 123     OIC_LOG(INFO, TAG, "OUT CreateSecureSessionJustWorksCallback");
 124     return OC_STACK_OK;
 125 }