1 /* *****************************************************************
3 * Copyright 2016 Samsung Electronics All Rights Reserved.
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 * *****************************************************************/
21 #include "iotivity_config.h"
26 #include "oic_malloc.h"
27 #include "oic_string.h"
30 #include "resourcemanager.h"
31 #include "dpairingresource.h"
32 #include "psinterface.h"
34 #include "srmresourcestrings.h"
35 #include "cainterface.h"
36 #include "doxmresource.h"
37 #include "pconfresource.h"
38 #include "credresource.h"
39 #include "aclresource.h"
40 #include "srmutility.h"
41 #include "ocserverrequest.h"
42 #include "ocpayloadcbor.h"
43 #include "ocpayload.h"
44 #include "payload_logging.h"
54 #define TAG "SRM-DPAIRING"
56 /** Default cbor payload size. This value is increased in case of CborErrorOutOfMemory.
57 * The value of payload size is increased until reaching belox max cbor size. */
58 static const uint16_t CBOR_SIZE = 1024;
60 /** Max cbor size payload. */
61 static const uint16_t CBOR_MAX_SIZE = 4400;
63 /** DOXM Map size - Number of mandatory items. */
64 static const uint8_t DPAIR_MAP_SIZE = 3;
66 static OicSecDpairing_t *gDpair = NULL;
67 static OCResourceHandle gDpairHandle = NULL;
68 static OicSecDpairing_t gDefaultDpair =
70 PRM_NOT_ALLOWED, /* OicSecPrm_t spm */
71 {.id = {0}}, /* OicUuid_t pdeviceID */
72 {.id = {0}}, /* OicUuid_t rowner */
75 void DeleteDpairingBinData(OicSecDpairing_t* dpair)
79 //Clean dpairing itself
85 * Get the default value.
86 * @retval the gDefaultDpair pointer;
88 static OicSecDpairing_t* GetDpairingDefault()
90 OIC_LOG (DEBUG, TAG, "GetDpairingDefault");
92 return &gDefaultDpair;
96 * This method is used by SRM to retrieve Dpairing resource data..
98 void SetDpairingResourceOwner(OicUuid_t *rowner)
100 OIC_LOG (DEBUG, TAG, "SetDpairingResourceOwner");
103 memcpy(&gDpair->rownerID, rowner, sizeof(OicUuid_t));
107 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
109 * Function to save PairingPSK.
111 * @param[in] endpoint current endpoint.
112 * @param[in] peerDevID peer device indentitiy.
113 * @param[in] isPairingServer indicate if it generates PairingPSK for server or client.
115 * @return OC_STACK_OK on success
117 OCStackResult SavePairingPSK(OCDevAddr *endpoint,
118 OicUuid_t *peerDevID, OicUuid_t *owner, bool isPairingServer)
120 OIC_LOG(DEBUG, TAG, "IN SavePairingPSK");
122 if(NULL == endpoint || NULL == peerDevID || NULL == owner)
124 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
125 return OC_STACK_INVALID_PARAM;
128 OCStackResult res = OC_STACK_ERROR;
130 OicUuid_t ptDeviceID = {.id={0}};
131 if (OC_STACK_OK != GetDoxmDeviceID(&ptDeviceID))
133 OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
137 uint8_t pairingPSK[OWNER_PSK_LENGTH_128] = {0};
138 OicSecKey_t pairingKey = {pairingPSK, OWNER_PSK_LENGTH_128, OIC_ENCODING_RAW};
140 //Generating PairingPSK using OwnerPSK scheme
141 CAResult_t pskRet = CAGenerateOwnerPSK((const CAEndpoint_t *)endpoint,
142 (uint8_t *)OIC_RSRC_TYPE_SEC_DPAIRING,
143 strlen(OIC_RSRC_TYPE_SEC_DPAIRING),
144 (isPairingServer ? ptDeviceID.id : peerDevID->id), sizeof(OicUuid_t), // server
145 (isPairingServer ? peerDevID->id : ptDeviceID.id), sizeof(OicUuid_t), // client
146 pairingPSK, OWNER_PSK_LENGTH_128);
148 if (CA_STATUS_OK == pskRet)
150 OIC_LOG(INFO, TAG, "pairingPSK dump:\n");
151 OIC_LOG_BUFFER(INFO, TAG, pairingPSK, OWNER_PSK_LENGTH_128);
152 //Generating new credential for direct-pairing client
154 OicSecCred_t *cred = GenerateCredential(peerDevID,
155 SYMMETRIC_PAIR_WISE_KEY, NULL,
156 &pairingKey, owner, NULL);
157 VERIFY_NON_NULL(TAG, cred, ERROR);
159 res = AddCredential(cred);
160 if(res != OC_STACK_OK)
162 DeleteCredList(cred);
168 OIC_LOG(ERROR, TAG, "CAGenerateOwnerPSK failed");
171 OIC_LOG(DEBUG, TAG, "OUT SavePairingPSK");
175 #endif // __WITH_DTLS__ or __WITH_TLS__
177 OCStackResult DpairingToCBORPayload(const OicSecDpairing_t *dpair, uint8_t **payload, size_t *size)
179 if (NULL == dpair || NULL == payload || NULL != *payload || NULL == size)
181 return OC_STACK_INVALID_PARAM;
184 size_t cborLen = *size;
193 OCStackResult ret = OC_STACK_ERROR;
196 CborEncoder dpairMap;
198 int64_t cborEncoderResult = CborNoError;
199 uint8_t mapSize = DPAIR_MAP_SIZE;
201 uint8_t *outPayload = (uint8_t *)OICCalloc(1, cborLen);
202 VERIFY_NON_NULL(TAG, outPayload, ERROR);
203 cbor_encoder_init(&encoder, outPayload, cborLen, 0);
205 cborEncoderResult = cbor_encoder_create_map(&encoder, &dpairMap, mapSize);
206 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Creating DPAIRING Map");
209 cborEncoderResult = cbor_encode_text_string(&dpairMap, OIC_JSON_SPM_NAME,
210 strlen(OIC_JSON_SPM_NAME));
211 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding SPM name tag");
212 cborEncoderResult = cbor_encode_int(&dpairMap, dpair->spm);
213 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding SPM value");
215 //PDEVICEID -- Mandatory
216 cborEncoderResult = cbor_encode_text_string(&dpairMap, OIC_JSON_PDEVICE_ID_NAME,
217 strlen(OIC_JSON_PDEVICE_ID_NAME));
218 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PDeviceID tag");
220 char *deviceId = NULL;
221 ret = ConvertUuidToStr(&dpair->pdeviceID, &deviceId);
222 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
223 cborEncoderResult = cbor_encode_text_string(&dpairMap, deviceId, strlen(deviceId));
224 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed to encode PDeviceID value");
228 //ROWNER -- Mandatory
231 cborEncoderResult = cbor_encode_text_string(&dpairMap, OIC_JSON_ROWNERID_NAME,
232 strlen(OIC_JSON_ROWNERID_NAME));
233 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding ROWNER tag");
234 ret = ConvertUuidToStr(&dpair->rownerID, &rowner);
235 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
236 cborEncoderResult = cbor_encode_text_string(&dpairMap, rowner, strlen(rowner));
237 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Rowner ID value");
241 cborEncoderResult = cbor_encoder_close_container(&encoder, &dpairMap);
242 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed to close dpairMap");
244 if (CborNoError == cborEncoderResult)
246 *size = encoder.ptr - outPayload;
247 *payload = outPayload;
252 if ((CborErrorOutOfMemory == cborEncoderResult) && (cborLen < CBOR_MAX_SIZE))
254 // reallocate and try again!
256 // Since the allocated initial memory failed, double the memory.
257 cborLen += encoder.ptr - encoder.end;
258 cborEncoderResult = CborNoError;
259 ret = DpairingToCBORPayload(dpair, payload, &cborLen);
263 if ((CborNoError != cborEncoderResult) || (OC_STACK_OK != ret))
269 ret = OC_STACK_ERROR;
275 OCStackResult CBORPayloadToDpair(const uint8_t *cborPayload, size_t size,
276 OicSecDpairing_t **secDpair)
278 if (NULL == cborPayload || NULL == secDpair || NULL != *secDpair || 0 == size)
280 return OC_STACK_INVALID_PARAM;
283 OCStackResult ret = OC_STACK_ERROR;
286 CborValue dpairCbor = { .parser = NULL };
287 CborParser parser = { .end = NULL };
288 CborError cborFindResult = CborNoError;
290 cbor_parser_init(cborPayload, size, 0, &parser, &dpairCbor);
291 CborValue dpairMap = { .parser = NULL };
292 OicSecDpairing_t *dpair = NULL;
293 cborFindResult = cbor_value_enter_container(&dpairCbor, &dpairMap);
294 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Entering DPairing Map");
296 dpair = (OicSecDpairing_t *)OICCalloc(1, sizeof(*dpair));
297 VERIFY_NON_NULL(TAG, dpair, ERROR);
299 while (cbor_value_is_valid(&dpairMap) && cbor_value_is_text_string(&dpairMap))
303 CborType type = CborInvalidType;
304 cborFindResult = cbor_value_dup_text_string(&dpairMap, &name, &len, NULL);
305 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding tag name");
306 cborFindResult = cbor_value_advance(&dpairMap);
307 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing a value in DPair map");
309 type = cbor_value_get_type(&dpairMap);
310 if (0 == strcmp(OIC_JSON_SPM_NAME, name) && cbor_value_is_integer(&dpairMap))
314 cborFindResult = cbor_value_get_int(&dpairMap, &spm);
315 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding SPM Value");
316 dpair->spm = (OicSecPrm_t)spm;
319 if (0 == strcmp(OIC_JSON_PDEVICE_ID_NAME, name))
322 cborFindResult = cbor_value_dup_text_string(&dpairMap, &id, &len, NULL);
323 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding PDeviceID value");
324 ret = ConvertStrToUuid(id, &dpair->pdeviceID);
325 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
329 if (0 == strcmp(OIC_JSON_ROWNERID_NAME, name))
332 cborFindResult = cbor_value_dup_text_string(&dpairMap, &id, &len, NULL);
333 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding RownerID value");
334 ret = ConvertStrToUuid(id, &dpair->rownerID);
335 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
339 if (CborMapType != type && cbor_value_is_valid(&dpairMap))
341 cborFindResult = cbor_value_advance(&dpairMap);
342 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing the Dpair Map");
351 if (CborNoError != cborFindResult)
353 OIC_LOG (ERROR, TAG, "CBORPayloadToDoxm failed");
354 DeleteDpairingBinData(dpair);
357 ret = OC_STACK_ERROR;
362 * Function to handle the handshake result in Direct-Pairing.
363 * This function will be invoked after DTLS handshake
364 * @param endPoint [IN] The remote endpoint.
365 * @param errorInfo [IN] Error information from the endpoint.
368 void DPairingDTLSHandshakeCB(const CAEndpoint_t *endpoint, const CAErrorInfo_t *info)
370 OIC_LOG_V(INFO, TAG, "IN DPairingDTLSHandshakeCB");
372 if(gDpair && endpoint && info)
374 OIC_LOG_V(INFO, TAG, "Received status from remote device(%s:%d) : %d",
375 endpoint->addr, endpoint->port, info->result);
377 if(CA_STATUS_OK == info->result)
379 OIC_LOG(INFO, TAG, "DPairingDTLSHandshakeCB - Connection success.");
381 else if(CA_DTLS_AUTHENTICATION_FAILURE == info->result)
383 OIC_LOG(INFO, TAG, "DPairingDTLSHandshakeCB - Authentication failed");
387 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
388 CAregisterSslHandshakeCallback(NULL);
389 #endif // __WITH_DTLS__ or __WITH_TLS__
391 // delete temporary key
392 RemoveCredential(&gDpair->pdeviceID);
395 OIC_LOG_V(INFO, TAG, "OUT DPairingDTLSHandshakeCB");
398 static OCEntityHandlerResult HandleDpairingPostRequest (const OCEntityHandlerRequest * ehRequest)
400 OIC_LOG (DEBUG, TAG, "Dpairing EntityHandle processing POST request");
401 OCEntityHandlerResult ehRet = OC_EH_ERROR;
402 OicSecDpairing_t* newDpair = NULL;
403 OCStackResult res = OC_STACK_OK;
405 const OicSecPconf_t *pconf = GetPconfResourceData();
406 if (true == pconf->edp)
408 uint8_t *payload = ((OCSecurityPayload*)ehRequest->payload)->securityData;
409 size_t size = ((OCSecurityPayload*)ehRequest->payload)->payloadSize;
412 res = CBORPayloadToDpair(payload, size, &newDpair);
417 OIC_LOG (DEBUG, TAG, "EDP == false : Direct-Pairing Disabled");
421 if (OC_STACK_OK == res && newDpair && false == IsPairedDevice(&newDpair->pdeviceID))
423 // Check if valid Post request
424 bool prmMached = false;
425 for (size_t i=0; i<pconf->prmLen; i++)
427 if (newDpair->spm == pconf->prm[i])
433 OIC_LOG_V(DEBUG, TAG, "Parsed spm is %s", prmMached ? "valid" :
434 "invalid, send error response");
436 // Update local Dpairing with new Dpairing & prepare dtls session
437 if (prmMached && '\0' != (char)newDpair->pdeviceID.id[0])
441 gDpair = GetDpairingDefault();
443 gDpair->spm = newDpair->spm;
444 memcpy(&gDpair->pdeviceID, &newDpair->pdeviceID, sizeof(OicUuid_t));
445 memcpy(&gDpair->rownerID, &pconf->rownerID, sizeof(OicUuid_t));
447 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
450 OicUuid_t subjectId = {.id={0}};
451 res = AddTmpPskWithPIN(&gDpair->pdeviceID,
452 SYMMETRIC_PAIR_WISE_KEY,
453 (char*)pconf->pin.val, DP_PIN_LENGTH,
454 &gDpair->rownerID, &subjectId);
455 if(res != OC_STACK_OK ||
456 memcmp(&gDpair->pdeviceID, &subjectId, sizeof(OicUuid_t)))
458 OIC_LOG_V(ERROR, TAG, "Failed to save the temporal PSK : %d", res);
462 // Prepare to establish a secure channel with Pin-based PSK cipher suite
463 if (CA_STATUS_OK != CAEnableAnonECDHCipherSuite(false) ||
464 CA_STATUS_OK != CASelectCipherSuite(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA_256, CA_ADAPTER_IP))
466 OIC_LOG_V(ERROR, TAG, "Failed to select TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA_256");
470 if(CA_STATUS_OK != CAregisterSslHandshakeCallback(DPairingDTLSHandshakeCB))
472 OIC_LOG(WARNING, TAG, "DirectPairingHandler : Failed to register"
473 " DTLS handshake callback.");
476 #endif // __WITH_DTLS__ or __WITH_TLS__
478 // should be lock /oic/sec/dpairing resource if Direct-Pairing starts normally ?
479 OIC_LOG (DEBUG, TAG, "/oic/sec/dpairing resource created");
481 ehRet = OC_EH_RESOURCE_CREATED;
485 OIC_LOG(ERROR, TAG, "Error in request check");
490 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
492 #endif // __WITH_DTLS__ or __WITH_TLS__
494 // Send payload to request originator
495 if(OC_STACK_OK != SendSRMResponse(ehRequest, ehRet, NULL, 0))
498 OIC_LOG (ERROR, TAG, "SendSRMResponse failed in HandleDpairingPostRequest");
501 if (OC_EH_ERROR == ehRet && gDpair)
503 RemoveCredential(&gDpair->pdeviceID);
507 DeleteDpairingBinData(newDpair);
508 OIC_LOG_V (DEBUG, TAG, "%s RetVal %d", __func__ , ehRet);
512 static OCEntityHandlerResult HandleDpairingPutRequest (const OCEntityHandlerRequest * ehRequest)
514 OIC_LOG (DEBUG, TAG, "Dpairing EntityHandle processing PUT request (Comfirmation)");
516 OCEntityHandlerResult ehRet = OC_EH_ERROR;
517 OicSecDpairing_t* newDpair = NULL;
518 OCStackResult res = OC_STACK_OK;
520 const OicSecPconf_t *pconf = GetPconfResourceData();
521 if (true == pconf->edp)
523 uint8_t *payload = ((OCSecurityPayload*)ehRequest->payload)->securityData;
524 size_t size = ((OCSecurityPayload*)ehRequest->payload)->payloadSize;
527 res = CBORPayloadToDpair(payload, size, &newDpair);
533 OIC_LOG (DEBUG, TAG, "EDP == false : Direct-Pairing Disabled");
538 if ((OC_STACK_OK == res) && gDpair && newDpair)
540 OIC_LOG(DEBUG, TAG, "Received direct-pairing finalization request");
542 // Check if valid Put request
543 VERIFY_SUCCESS(TAG, PRM_NOT_ALLOWED == newDpair->spm, ERROR);
545 const OicSecPconf_t *pconf = GetPconfResourceData();
546 VERIFY_NON_NULL(TAG, pconf, ERROR);
548 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
549 OCServerRequest * request = (OCServerRequest *)ehRequest->requestHandle;
550 VERIFY_SUCCESS(TAG, (request->devAddr.flags | OC_FLAG_SECURE), ERROR);
552 //Generate new credential
553 OIC_LOG_V(INFO, TAG, "SavePairingPSK for %s(%d)", request->devAddr.addr,
554 request->devAddr.port);
555 OCStackResult res = SavePairingPSK(&request->devAddr, &newDpair->pdeviceID,
556 (OicUuid_t *)&pconf->rownerID, true);
557 VERIFY_SUCCESS(TAG, OC_STACK_OK == res, ERROR);
558 #endif // __WITH_DTLS__ or __WITH_TLS__
561 OicSecPdAcl_t *pdAcl;
562 LL_FOREACH(pconf->pdacls, pdAcl)
564 OicSecAcl_t* acl = (OicSecAcl_t*)OICCalloc(1, sizeof(OicSecAcl_t));
565 VERIFY_NON_NULL(TAG, acl, ERROR);
567 OicSecAce_t* ace = (OicSecAce_t*)OICCalloc(1, sizeof(OicSecAce_t));
568 VERIFY_NON_NULL(TAG, ace, ERROR);
570 LL_APPEND(acl->aces, ace);
572 memcpy(&ace->subjectuuid, &gDpair->pdeviceID, sizeof(OicUuid_t));
574 for(size_t i = 0; i < pdAcl->resourcesLen; i++)
576 OicSecRsrc_t* rsrc = (OicSecRsrc_t*)OICCalloc(1, sizeof(OicSecRsrc_t));
577 VERIFY_NON_NULL(TAG, rsrc, ERROR);
578 LL_APPEND(ace->resources, rsrc);
581 rsrc->href = OICStrdup(pdAcl->resources[i]);
583 // TODO: Append 'if' and 'rt' as workaround
585 rsrc->interfaceLen = 1;
586 rsrc->interfaces = (char**)OICCalloc(rsrc->interfaceLen, sizeof(char));
587 VERIFY_NON_NULL(TAG, (rsrc->interfaces), ERROR);
588 rsrc->interfaces[0] = OICStrdup(OC_RSRVD_INTERFACE_DEFAULT);
589 VERIFY_NON_NULL(TAG, (rsrc->interfaces[0]), ERROR);
593 rsrc->types = (char**)OICCalloc(rsrc->typeLen, sizeof(char));
594 VERIFY_NON_NULL(TAG, (rsrc->types), ERROR);
595 rsrc->types[0] = OICStrdup("oic.core");
596 VERIFY_NON_NULL(TAG, (rsrc->types[0]), ERROR);
599 ace->permission = pdAcl->permission;
602 if(pdAcl->periods || pdAcl->recurrences)
604 OicSecValidity_t* validity = (OicSecValidity_t*)OICCalloc(1, sizeof(OicSecValidity_t));
605 VERIFY_NON_NULL(TAG, validity, ERROR);
607 if(pdAcl->periods && pdAcl->periods[0])
609 size_t periodLen = strlen(pdAcl->periods[0]) + 1;
610 validity->period = (char*)OICMalloc(periodLen * sizeof(char));
611 VERIFY_NON_NULL(TAG, (validity->period), ERROR);
612 OICStrcpy(validity->period, periodLen, pdAcl->periods[0]);
615 if(pdAcl->recurrences && 0 < pdAcl->prdRecrLen)
617 validity->recurrenceLen = pdAcl->prdRecrLen;
618 validity->recurrences = (char**)OICMalloc(sizeof(char*) * pdAcl->prdRecrLen);
619 VERIFY_NON_NULL(TAG, (validity->recurrences), ERROR);
621 for(size_t i = 0; i < pdAcl->prdRecrLen; i++)
623 size_t recurrenceLen = strlen(pdAcl->recurrences[i]) + 1;
624 validity->recurrences[i] = (char*)OICMalloc(recurrenceLen * sizeof(char));
625 VERIFY_NON_NULL(TAG, (validity->recurrences[i]), ERROR);
627 OICStrcpy(validity->recurrences[i], recurrenceLen, pdAcl->recurrences[i]);
631 LL_APPEND(ace->validities, validity);
635 uint8_t *payload = NULL;
636 if (OC_STACK_OK == AclToCBORPayload(acl, &payload, &size))
638 InstallNewACL(payload, size);
644 //update pconf device list
645 AddPairedDevice(&newDpair->pdeviceID);
647 //Initialize dpairing resource
650 OIC_LOG (DEBUG, TAG, "/oic/sec/dpairing resource updated,"
651 "direct-pairing finalization success");
657 //Send payload to request originator
658 if(OC_STACK_OK != SendSRMResponse(ehRequest, ehRet, NULL, 0))
661 OIC_LOG (ERROR, TAG, "SendSRMResponse failed in HandleDpairingPutRequest");
664 DeleteDpairingBinData(newDpair);
665 OIC_LOG_V (DEBUG, TAG, "%s RetVal %d", __func__ , ehRet);
669 * This internal method is the entity handler for Dpairing resources and
670 * will handle REST request (GET/POST) for them.
672 OCEntityHandlerResult DpairingEntityHandler (OCEntityHandlerFlag flag,
673 OCEntityHandlerRequest * ehRequest,
674 void* callbackParameter)
676 OIC_LOG(DEBUG, TAG, "Received request DpairingEntityHandler");
677 (void)callbackParameter;
678 OCEntityHandlerResult ehRet = OC_EH_ERROR;
685 if (flag & OC_REQUEST_FLAG)
687 OIC_LOG (DEBUG, TAG, "Flag includes OC_REQUEST_FLAG");
688 switch (ehRequest->method)
694 ehRet = HandleDpairingPostRequest(ehRequest);
698 ehRet = HandleDpairingPutRequest(ehRequest);
706 SendSRMResponse(ehRequest, ehRet, NULL, 0);
714 * This internal method is used to create '/oic/sec/dpairing' resource.
716 OCStackResult CreateDpairingResource()
720 ret = OCCreateResource(&gDpairHandle,
721 OIC_RSRC_TYPE_SEC_DPAIRING,
722 OC_RSRVD_INTERFACE_DEFAULT,
723 OIC_RSRC_DPAIRING_URI,
724 DpairingEntityHandler,
726 OC_SECURE | OC_EXPLICIT_DISCOVERABLE);
728 if (OC_STACK_OK != ret)
730 OIC_LOG (ERROR, TAG, "Unable to instantiate Dpairing resource");
731 DeInitDpairingResource();
737 * Initialize Dpairing resource by loading data from persistent storage.
739 * @retval OC_STACK_OK for Success, otherwise some error value
741 OCStackResult InitDpairingResource()
743 OCStackResult ret = OC_STACK_ERROR;
745 // Instantiate 'oic.sec.dpairing'
746 ret = CreateDpairingResource();
747 if (OC_STACK_OK != ret)
749 DeInitDpairingResource();
755 * Perform cleanup for Dpairing resources.
758 * OC_STACK_OK - no error
759 * OC_STACK_ERROR - stack process error
762 OCStackResult DeInitDpairingResource()
764 OCStackResult ret = OCDeleteResource(gDpairHandle);
767 if(OC_STACK_OK == ret)
773 return OC_STACK_ERROR;
777 OCStackResult SetDpairingRownerId(const OicUuid_t* newROwner)
779 OCStackResult ret = OC_STACK_ERROR;
780 uint8_t *cborPayload = NULL;
782 OicUuid_t prevId = {.id={0}};
784 if(NULL == newROwner)
786 ret = OC_STACK_INVALID_PARAM;
790 ret = OC_STACK_NO_RESOURCE;
793 if(newROwner && gDpair)
795 memcpy(prevId.id, gDpair->rownerID.id, sizeof(prevId.id));
796 memcpy(gDpair->rownerID.id, newROwner->id, sizeof(newROwner->id));
798 ret = DpairingToCBORPayload(gDpair, &cborPayload, &size);
799 VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
801 ret = UpdateSecureResourceInPS(OIC_JSON_DPAIRING_NAME, cborPayload, size);
802 VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
804 OICFree(cborPayload);
810 OICFree(cborPayload);
811 memcpy(gDpair->rownerID.id, prevId.id, sizeof(prevId.id));
815 OCStackResult GetDpairingRownerId(OicUuid_t *rowneruuid)
817 OCStackResult retVal = OC_STACK_ERROR;
820 *rowneruuid = gDpair->rownerID;
821 retVal = OC_STACK_OK;