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 * *****************************************************************/
20 #ifndef _POSIX_C_SOURCE
21 #define _POSIX_C_SOURCE 200112L
23 #include "iotivity_config.h"
30 #ifdef HAVE_SYS_TIME_H
38 #include "oic_malloc.h"
39 #include "oic_string.h"
41 #if defined (__TIZENRT__)
42 #include <apps/netutils/cJSON.h>
47 #include "ocpayload.h"
48 #include "payload_logging.h"
49 #include "cainterface.h"
51 #include "directpairing.h"
52 #include "srmresourcestrings.h" //@note: SRM's internal header
53 #include "doxmresource.h" //@note: SRM's internal header
54 #include "pconfresource.h" //@note: SRM's internal header
55 #include "dpairingresource.h" //@note: SRM's internal header
56 #include "credresource.h"
59 #include "pmutility.h"
61 #include "srmutility.h"
63 #define TAG ("OIC_DP")
64 static const uint16_t CBOR_SIZE = 1024;
67 * Structure to carry direct-pairing API data to callback.
69 typedef struct DPairData
71 OCDirectPairingDev_t *peer; /**< Pointer to pairing target info.**/
72 char pin[DP_PIN_LENGTH]; /**< PIN **/
73 OCDirectPairingResultCB resultCallback; /**< Pointer to result callback.**/
74 void *userCtx; /** < user context to pass in callback **/
77 static OCDirectPairingDev_t *g_dp_paired = NULL;
78 static OCDirectPairingDev_t *g_dp_discover = NULL;
79 static DPairData_t *g_dp_proceed_ctx = NULL;
83 * Function to search node in linked list that matches given IP and port.
85 * @param[in] pList List of OCProvisionDev_t.
86 * @param[in] addr address of target device.
87 * @param[in] port port of remote server.
89 * @return pointer of OCProvisionDev_t if exist, otherwise NULL
91 OCDirectPairingDev_t* getDev(OCDirectPairingDev_t **ppList, const char* addr, const uint16_t port)
95 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
99 OCDirectPairingDev_t *ptr = NULL;
100 LL_FOREACH(*ppList, ptr)
102 if( strcmp(ptr->endpoint.addr, addr) == 0 && port == ptr->endpoint.port)
114 * Add device information to list.
116 * @param[in] pList List of OCProvisionDev_t.
117 * @param[in] addr address of target device.
118 * @param[in] port port of remote server.
119 * @param[in] adapter adapter type of endpoint.
120 * @param[in] doxm pointer to doxm instance.
121 * @param[in] connType connectivity type of endpoint
123 * @return OC_STACK_OK for success and errorcode otherwise.
125 OCStackResult addDev(OCDirectPairingDev_t **ppList, OCDevAddr *endpoint,
126 OCConnectivityType conn, OicSecPconf_t *pconf)
128 if(NULL == endpoint || NULL == pconf)
130 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
131 return OC_STACK_INVALID_PARAM;
134 OCDirectPairingDev_t *ptr = getDev(ppList, endpoint->addr, endpoint->port);
137 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
140 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
141 return OC_STACK_NO_MEMORY;
144 memcpy(&ptr->endpoint, endpoint, sizeof(OCDevAddr));
145 ptr->connType = conn;
146 ptr->securePort = DEFAULT_SECURE_PORT;
147 ptr->edp = pconf->edp;
148 ptr->prm = pconf->prm;
149 pconf->prm = NULL; // to prevent free
150 ptr->prmLen = pconf->prmLen;
151 memcpy(&ptr->deviceID, &pconf->deviceID, sizeof(OicUuid_t));
152 memcpy(&ptr->rowner, &pconf->rownerID, sizeof(OicUuid_t));
155 LL_PREPEND(*ppList, ptr);
156 OIC_LOG(INFO, TAG, "device added !");
164 * Add device information to list.
166 * @param[in] ppList List of OCProvisionDev_t.
167 * @param[in] pDev target device.
169 * @return OC_STACK_OK for success and errorcode otherwise.
171 OCStackResult addDev2(OCDirectPairingDev_t **ppList, OCDirectPairingDev_t *pDev)
175 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
176 return OC_STACK_INVALID_PARAM;
179 OCDirectPairingDev_t *ptr = getDev(ppList, pDev->endpoint.addr, pDev->endpoint.port);
182 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
185 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
186 return OC_STACK_NO_MEMORY;
189 memcpy(&ptr->endpoint, &pDev->endpoint, sizeof(OCDevAddr));
190 ptr->connType = pDev->connType;
191 ptr->securePort = pDev->securePort;
192 ptr->edp = pDev->edp;
193 ptr->prmLen = pDev->prmLen;
194 ptr->prm = (OicSecPrm_t*)OICCalloc(ptr->prmLen, sizeof (OicSecPrm_t));
195 if (NULL == ptr->prm)
197 OIC_LOG(ERROR, TAG, "Error while allocating memory for prm !!");
199 return OC_STACK_NO_MEMORY;
201 memcpy(ptr->prm, pDev->prm, sizeof(OicSecPrm_t)*ptr->prmLen);
202 memcpy(&ptr->deviceID, &pDev->deviceID, sizeof(OicUuid_t));
203 memcpy(&ptr->rowner, &pDev->rowner, sizeof(OicUuid_t));
206 LL_PREPEND(*ppList, ptr);
207 OIC_LOG(INFO, TAG, "device added !");
216 * This function deletes list of provision target devices
218 * @param[in] pDevicesList List of OCProvisionDev_t.
220 void delList(OCDirectPairingDev_t *pList)
224 OCDirectPairingDev_t *del = NULL, *tmp = NULL;
225 LL_FOREACH_SAFE(pList, del, tmp)
227 LL_DELETE(pList, del);
236 bool DPGenerateQuery(bool isSecure,
237 const char* address, const uint16_t port,
238 const OCConnectivityType connType,
239 char* buffer, size_t bufferSize, const char* uri)
241 if(!address || !buffer || !uri)
243 OIC_LOG(ERROR, TAG, "DPGenerateQuery : Invalid parameters.");
247 static char QPREFIX_COAP[] = "coap://";
248 static char QPREFIX_COAPS[] = "coaps://";
249 static char QPREFIX_COAP_TCP[] = "coap+tcp://";
250 static char QPREFIX_COAPS_TCP[] = "coaps+tcp://";
253 char* prefix = (isSecure == true) ? QPREFIX_COAPS : QPREFIX_COAP;
255 switch(connType & CT_MASK_ADAPTER)
257 // @todo: Remove this ifdef. On Arduino, CT_ADAPTER_TCP resolves to the same value
258 // as CT_ADAPTER_IP, resulting in a compiler error.
262 prefix = (isSecure == true) ? QPREFIX_COAPS_TCP : QPREFIX_COAP_TCP;
267 switch(connType & CT_MASK_FLAGS & ~CT_FLAG_SECURE)
270 snRet = snprintf(buffer, bufferSize, "%s%s:%d%s",
271 prefix, address, port, uri);
275 char addressEncoded[CA_MAX_URI_LENGTH] = {0};
277 OCStackResult result = OCEncodeAddressForRFC6874(addressEncoded,
278 sizeof(addressEncoded),
280 if (OC_STACK_OK != result)
282 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : encoding error %d\n", result);
286 snRet = snprintf(buffer, bufferSize, "%s[%s]:%d%s",
287 prefix, addressEncoded, port, uri);
291 OIC_LOG(ERROR, TAG, "Unknown address format.");
294 // snprintf return value check
297 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Error (snprintf) %d\n", snRet);
300 else if ((size_t)snRet >= bufferSize)
302 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Truncated (snprintf) %d\n", snRet);
308 // TODO: We need to verify tinyDTLS in below cases
309 case CT_ADAPTER_GATT_BTLE:
310 case CT_ADAPTER_RFCOMM_BTEDR:
311 OIC_LOG(ERROR, TAG, "Not supported connectivity adapter.");
316 OIC_LOG(ERROR, TAG, "Unknown connectivity adapter.");
323 const OCDirectPairingDev_t* DPGetDiscoveredDevices()
325 return g_dp_discover;
328 const OCDirectPairingDev_t* DPGetPairedDevices()
335 delList(g_dp_discover);
336 delList(g_dp_paired);
340 * Callback handler of FinalizeDirectPairing.
342 * @param[in] ctx ctx value passed to callback from calling function.
343 * @param[in] UNUSED handle to an invocation
344 * @param[in] clientResponse Response from queries to remote servers.
345 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
346 * and OC_STACK_KEEP_TRANSACTION to keep it.
348 static OCStackApplicationResult DirectPairingFinalizeHandler(void *ctx, OCDoHandle UNUSED,
349 OCClientResponse *clientResponse)
351 OIC_LOG_V(INFO, TAG, "IN DirectPairingFinalizeHandler()");
355 OIC_LOG(ERROR, TAG, "Context is Null");
356 return OC_STACK_DELETE_TRANSACTION;
360 DPairData_t *dpairData = (DPairData_t*)ctx;
361 OCDirectPairingDev_t *peer = dpairData->peer;
362 OCDirectPairingResultCB resultCallback = dpairData->resultCallback;
366 if(OC_STACK_RESOURCE_CHANGED == clientResponse->result)
369 OIC_LOG(INFO, TAG, "DirectPairingFinalizeHandler : success PUT"
370 " request to /oic/sec/dpairing");
372 CAEndpoint_t endpoint;
373 memset(&endpoint, 0x00, sizeof(CAEndpoint_t));
374 OICStrcpy(endpoint.addr, MAX_ADDR_STR_SIZE_CA, peer->endpoint.addr);
375 endpoint.addr[MAX_ADDR_STR_SIZE_CA - 1] = '\0';
376 endpoint.port = peer->securePort;
378 OicUuid_t ptDeviceID = {.id={0}};
379 if (OC_STACK_OK != GetDoxmDeviceID(&ptDeviceID))
381 OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
382 resultCallback(dpairData->userCtx, peer, OC_STACK_ERROR);
383 return OC_STACK_DELETE_TRANSACTION;
386 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
387 res = SavePairingPSK((OCDevAddr*)&endpoint, &peer->deviceID, &ptDeviceID, false);
388 if(OC_STACK_OK != res)
390 OIC_LOG(ERROR, TAG, "Failed to PairingPSK generation");
391 resultCallback(dpairData->userCtx, peer, res);
392 return OC_STACK_DELETE_TRANSACTION;
395 // close temporary sesion
396 CAResult_t caResult = CAcloseSslSession((const CAEndpoint_t*)&endpoint);
397 if(CA_STATUS_OK != caResult)
399 OIC_LOG(INFO, TAG, "Fail to close temporary dtls session");
401 #endif // __WITH_DTLS__ or __WITH_TLS__
403 OIC_LOG(INFO, TAG, "Direct-Papring was successfully completed.");
405 // update paired list
406 OCDirectPairingDev_t *dev = getDev(&g_dp_discover, peer->endpoint.addr,
407 peer->endpoint.port);
408 res = addDev2(&g_dp_paired, dev);
409 if (OC_STACK_OK != res)
411 OIC_LOG(ERROR, TAG, "Error while adding a device to paired list.");
414 resultCallback(dpairData->userCtx, peer, OC_STACK_OK);
416 return OC_STACK_DELETE_TRANSACTION;
420 OIC_LOG(INFO, TAG, "Direct-Papring received error response.");
425 OIC_LOG(ERROR, TAG, "DirectPairingFinalizeHandler received Null clientResponse");
428 resultCallback(dpairData->userCtx, peer, OC_STACK_ERROR);
430 return OC_STACK_DELETE_TRANSACTION;
434 * Finalize direct-pairing .
436 * @param[in] peer target device to establish direct-pairing.
437 * @param[in] resultCallback result event callback.
439 * @return OC_STACK_OK on success otherwise error.
441 OCStackResult FinalizeDirectPairing(void *ctx, OCDirectPairingDev_t* peer,
442 OCDirectPairingResultCB resultCallback)
446 return OC_STACK_INVALID_PARAM;
449 OicUuid_t deviceID = {.id={0}};
450 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
452 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
453 return OC_STACK_ERROR;
456 OicSecDpairing_t dpair;
457 memset(&dpair, 0, sizeof(OicSecDpairing_t));
458 dpair.spm = (OicSecPrm_t)PRM_NOT_ALLOWED;
459 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
461 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
464 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
465 return OC_STACK_NO_MEMORY;
467 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
469 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData),
470 &(secPayload->payloadSize));
472 if(OC_STACK_OK != ret)
475 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
476 return OC_STACK_NO_MEMORY;
478 OIC_LOG(DEBUG, TAG, "DPARING CBOR data:");
479 OIC_LOG_BUFFER(DEBUG, TAG, secPayload->securityData, secPayload->payloadSize);
481 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
482 if(!DPGenerateQuery(true,
486 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
488 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
489 return OC_STACK_ERROR;
491 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
493 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
494 if (dpairData == NULL)
496 OICFree(secPayload->securityData);
498 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
499 return OC_STACK_NO_MEMORY;
501 dpairData->peer = peer;
502 dpairData->resultCallback = resultCallback;
503 dpairData->userCtx = ctx;
505 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
506 cbData.cb = DirectPairingFinalizeHandler;
507 cbData.context = (void*)dpairData;
510 OCMethod method = OC_REST_PUT;
511 OCDoHandle handle = NULL;
512 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
513 ret = OCDoResource(&handle, method, query,
514 &peer->endpoint, (OCPayload*)secPayload,
515 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
516 if(OC_STACK_OK != ret)
518 OIC_LOG(ERROR, TAG, "error in OCDoResource");
519 return OC_STACK_ERROR;
526 * Function to handle the handshake result in Direct-Pairing.
527 * This function will be invoked after DTLS handshake
528 * @param endPoint [IN] The remote endpoint.
529 * @param errorInfo [IN] Error information from the endpoint.
532 void DirectPairingDTLSHandshakeCB(const CAEndpoint_t *endpoint, const CAErrorInfo_t *info)
534 OIC_LOG_V(INFO, TAG, "IN DirectPairingDTLSHandshakeCB");
537 if(g_dp_proceed_ctx && g_dp_proceed_ctx->peer && endpoint && info)
539 OIC_LOG_V(INFO, TAG, "Received status from remote device(%s:%d) : %d",
540 endpoint->addr, endpoint->port, info->result);
542 OCDirectPairingDev_t *peer = g_dp_proceed_ctx->peer;
543 OCDirectPairingResultCB resultCallback = g_dp_proceed_ctx->resultCallback;
546 //Make sure the address matches.
547 if(strncmp(peer->endpoint.addr, endpoint->addr, sizeof(endpoint->addr)) == 0 &&
548 peer->securePort == endpoint->port)
550 //In case of success, send next coaps request.
551 if(CA_STATUS_OK == info->result)
553 OIC_LOG(INFO, TAG, "Now, finalize Direct-Pairing procedure.");
555 res = FinalizeDirectPairing(g_dp_proceed_ctx->userCtx, peer, resultCallback);
556 if(OC_STACK_OK != res)
558 OIC_LOG(ERROR, TAG, "Failed to finalize direct-pairing");
559 resultCallback(g_dp_proceed_ctx->userCtx, peer, res);
562 else if(CA_DTLS_AUTHENTICATION_FAILURE == info->result)
564 OIC_LOG(INFO, TAG, "DirectPairingDTLSHandshakeCB - Authentication failed");
565 resultCallback(g_dp_proceed_ctx->userCtx, peer, OC_STACK_AUTHENTICATION_FAILURE);
568 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
569 CAregisterSslHandshakeCallback(NULL);
570 #endif // __WITH_DTLS__ or __WITH_TLS__
571 res = RemoveCredential(&peer->deviceID);
572 if(OC_STACK_RESOURCE_DELETED != res)
574 OIC_LOG_V(ERROR, TAG, "Failed to remove temporal PSK : %d", res);
577 OICFree(g_dp_proceed_ctx);
578 g_dp_proceed_ctx = NULL;
582 OIC_LOG_V(INFO, TAG, "DirectPairingDTLSHandshakeCB - Not matched to peer address");
586 OIC_LOG_V(INFO, TAG, "OUT DirectPairingDTLSHandshakeCB");
590 * Callback handler of DPDirectPairing.
592 * @param[in] ctx ctx value passed to callback from calling function.
593 * @param[in] UNUSED handle to an invocation
594 * @param[in] clientResponse Response from queries to remote servers.
595 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
596 * and OC_STACK_KEEP_TRANSACTION to keep it.
598 static OCStackApplicationResult DirectPairingHandler(void *ctx, OCDoHandle UNUSED,
599 OCClientResponse *clientResponse)
601 OIC_LOG_V(INFO, TAG, "IN DirectPairingHandler.");
605 OIC_LOG(ERROR, TAG, "Context is Null");
606 return OC_STACK_DELETE_TRANSACTION;
609 OCStackResult res = OC_STACK_ERROR;
610 DPairData_t *dpairData = (DPairData_t*)ctx;
611 OCDirectPairingResultCB resultCallback = (OCDirectPairingResultCB)dpairData->resultCallback;
612 OicUuid_t subjectId = {.id={0}};
616 if(OC_STACK_RESOURCE_CHANGED == clientResponse->result)
619 OIC_LOG(INFO, TAG, "DirectPairingHandler : success POST request to /oic/sec/dpairing");
621 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
623 res = AddTmpPskWithPIN(&dpairData->peer->deviceID,
624 SYMMETRIC_PAIR_WISE_KEY,
625 (char*)dpairData->pin, DP_PIN_LENGTH,
626 &dpairData->peer->rowner, &subjectId);
627 VERIFY_SUCCESS(TAG, OC_STACK_OK == res, ERROR);
630 // Start to establish a secure channel with Pin-based PSK cipher suite
633 caresult = CAEnableAnonECDHCipherSuite(false);
634 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
636 caresult = CASelectCipherSuite(MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256, CA_ADAPTER_IP);
637 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
639 //Register proceeding peer info. & DTLS event handler to catch the dtls event while handshake
640 g_dp_proceed_ctx = dpairData;
641 res = CAregisterSslHandshakeCallback(DirectPairingDTLSHandshakeCB);
642 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
645 CAEndpoint_t *endpoint = (CAEndpoint_t *)OICCalloc(1, sizeof (CAEndpoint_t));
646 VERIFY_NON_NULL(TAG, endpoint, FATAL);
647 memcpy(endpoint,&dpairData->peer->endpoint,sizeof(CAEndpoint_t));
648 endpoint->port = dpairData->peer->securePort;
649 OIC_LOG_V(INFO, TAG, "Initiate DTLS handshake to %s(%d)", endpoint->addr,
652 caresult = CAInitiateHandshake(endpoint);
654 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
655 #endif // __WITH_DTLS__ or __WITH_TLS__
662 OIC_LOG(INFO, TAG, "DirectPairingHandler : fail POST request to /oic/sec/dpairing");
667 OIC_LOG(ERROR, TAG, "DirectPairingHandler received Null clientResponse");
670 #if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
672 #endif // __WITH_DTLS__ or __WITH_TLS__
674 if (OC_STACK_OK != res)
676 if (0 < strlen((const char*)subjectId.id))
678 RemoveCredential(&dpairData->peer->deviceID);
680 g_dp_proceed_ctx = NULL;
681 OIC_LOG_V(INFO, TAG, "OUT DirectPairingHandler.");
682 return OC_STACK_DELETE_TRANSACTION;
685 resultCallback(dpairData->userCtx, dpairData->peer, res);
687 OIC_LOG_V(INFO, TAG, "OUT DirectPairingHandler.");
688 return OC_STACK_DELETE_TRANSACTION;
692 * Start direct-pairing .
694 * @param[in] peer target device to establish direct-pairing.
695 * @param[in] pmSel selected pairing method.
696 * @param[in] pinNumber secret value for dtls connection.
698 * @return OC_STACK_OK on success otherwise error.
700 OCStackResult DPDirectPairing(void *ctx, OCDirectPairingDev_t* peer, OicSecPrm_t pmSel,
701 char *pinNumber, OCDirectPairingResultCB resultCallback)
703 if(NULL == peer || NULL == pinNumber)
705 return OC_STACK_INVALID_PARAM;
708 OicUuid_t deviceID = {.id={0}};
709 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
711 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
712 return OC_STACK_ERROR;
715 OicSecDpairing_t dpair;
716 memset(&dpair, 0, sizeof(OicSecDpairing_t));
718 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
720 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
723 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
724 return OC_STACK_NO_MEMORY;
726 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
728 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData),
729 &(secPayload->payloadSize));
731 if(OC_STACK_OK != ret)
734 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
735 return OC_STACK_NO_MEMORY;
737 OIC_LOG(DEBUG, TAG, "DPARING CBOR data:");
738 OIC_LOG_BUFFER(DEBUG, TAG, secPayload->securityData, secPayload->payloadSize);
740 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
741 if(!DPGenerateQuery(false,
746 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
748 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
749 return OC_STACK_ERROR;
751 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
753 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
754 if (dpairData == NULL)
756 OICFree(secPayload->securityData);
758 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
759 return OC_STACK_NO_MEMORY;
761 dpairData->peer = peer;
762 memcpy(dpairData->pin, pinNumber, DP_PIN_LENGTH);
763 dpairData->resultCallback = resultCallback;
764 dpairData->userCtx = ctx;
766 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
767 cbData.cb = DirectPairingHandler;
768 cbData.context = (void*)dpairData;
771 OCMethod method = OC_REST_POST;
772 OCDoHandle handle = NULL;
773 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
774 ret = OCDoResource(&handle, method, query,
775 &peer->endpoint, (OCPayload*)secPayload,
776 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
777 if(OC_STACK_OK != ret)
779 OIC_LOG(ERROR, TAG, "error in OCDoResource");
780 return OC_STACK_ERROR;
788 * Callback handler for getting secure port information using /oic/res discovery.
790 * @param[in] ctx user context
791 * @param[in] handle Handle for response
792 * @param[in] clientResponse Response information(It will contain payload)
794 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
795 * OC_STACK_DELETE_TRANSACTION to delete it.
797 static OCStackApplicationResult DirectPairingPortDiscoveryHandler(void *ctx, OCDoHandle UNUSED,
798 OCClientResponse *clientResponse)
800 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing Secure Port DISCOVER "
801 "query recvd successfully");
807 if (NULL == clientResponse->payload)
809 OIC_LOG(INFO, TAG, "Skiping Null payload");
813 if (PAYLOAD_TYPE_DISCOVERY != clientResponse->payload->type)
815 OIC_LOG(INFO, TAG, "Wrong payload type");
816 return OC_STACK_DELETE_TRANSACTION;
819 uint16_t securePort = 0;
820 OCResourcePayload* resPayload = ((OCDiscoveryPayload*)clientResponse->payload)->resources;
821 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
823 if (resPayload && resPayload->secure)
825 securePort = resPayload->port;
829 OIC_LOG(INFO, TAG, "Can not find secure port information.");
830 return OC_STACK_DELETE_TRANSACTION;
833 OCDirectPairingDev_t *ptr = getDev(&g_dp_discover,
834 clientResponse->devAddr.addr, clientResponse->devAddr.port);
837 OIC_LOG(ERROR, TAG, "Can not find device information in the discovery device list");
838 return OC_STACK_DELETE_TRANSACTION;
840 ptr->securePort = securePort;
842 OIC_LOG(INFO, TAG, "Exiting DirectPairingPortDiscoveryHandler.");
845 return OC_STACK_DELETE_TRANSACTION;
849 OIC_LOG(INFO, TAG, "Skiping Null response");
851 return OC_STACK_DELETE_TRANSACTION;
855 * Callback handler for DPDeviceDiscovery API.
857 * @param[in] ctx User context
858 * @param[in] handle Handler for response
859 * @param[in] clientResponse Response information (It will contain payload)
860 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
861 * OC_STACK_DELETE_TRANSACTION to delete it.
863 static OCStackApplicationResult DirectPairingDiscoveryHandler(void* ctx, OCDoHandle UNUSED,
864 OCClientResponse * clientResponse)
866 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing DISCOVER query recvd successfully");
872 OIC_LOG_V(INFO, TAG, "StackResult: %d", clientResponse->result);
874 "Device =============> Discovered @ %s:%d",
875 clientResponse->devAddr.addr,
876 clientResponse->devAddr.port);
878 if (NULL == clientResponse->payload)
880 OIC_LOG(INFO, TAG, "Skiping Null payload");
881 return OC_STACK_KEEP_TRANSACTION;
883 if (OC_STACK_OK != clientResponse->result)
885 OIC_LOG(INFO, TAG, "Error in response");
886 return OC_STACK_KEEP_TRANSACTION;
889 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
890 OicSecPconf_t *pconf = NULL;
892 OCStackResult res = CBORPayloadToPconf(
893 ((OCSecurityPayload*)clientResponse->payload)->securityData,
895 if (OC_STACK_OK != res )
897 OIC_LOG(INFO, TAG, "Ignoring malformed CBOR");
898 return OC_STACK_KEEP_TRANSACTION;
905 memcpy(&endpoint, &clientResponse->devAddr, sizeof(OCDevAddr));
907 OCStackResult res = addDev(&g_dp_discover, &endpoint,
908 clientResponse->connType, pconf);
909 DeletePconfBinData(pconf);
910 if (OC_STACK_OK != res)
912 OIC_LOG(ERROR, TAG, "Error while adding data to linkedlist.");
913 return OC_STACK_KEEP_TRANSACTION;
917 char rsrc_uri[MAX_URI_LENGTH+1] = {0};
918 int wr_len = snprintf(rsrc_uri, sizeof(rsrc_uri), "%s?%s=%s",
919 OC_RSRVD_WELL_KNOWN_URI, OC_RSRVD_RESOURCE_TYPE, OIC_RSRC_TYPE_SEC_DPAIRING);
920 if(wr_len <= 0 || (size_t)wr_len >= sizeof(rsrc_uri))
922 OIC_LOG(ERROR, TAG, "rsrc_uri_string_print failed");
923 return OC_STACK_KEEP_TRANSACTION;
926 //Try to the unicast discovery to getting secure port
927 char query[MAX_URI_LENGTH+MAX_QUERY_LENGTH+1] = {0};
928 if(!DPGenerateQuery(false,
929 clientResponse->devAddr.addr, clientResponse->devAddr.port,
930 clientResponse->connType,
931 query, sizeof(query), rsrc_uri))
933 OIC_LOG(ERROR, TAG, "DirectPairingDiscoveryHandler : Failed to generate query");
934 return OC_STACK_KEEP_TRANSACTION;
936 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
938 OCCallbackData cbData;
939 cbData.cb = &DirectPairingPortDiscoveryHandler;
940 cbData.context = NULL;
942 OCStackResult ret = OCDoResource(NULL, OC_REST_DISCOVER, query, 0, 0,
943 clientResponse->connType, OC_LOW_QOS, &cbData, NULL, 0);
944 if(OC_STACK_OK != ret)
946 OIC_LOG(ERROR, TAG, "Failed to Secure Port Discovery");
947 return OC_STACK_KEEP_TRANSACTION;
951 OIC_LOG_V(INFO, TAG, "OCDoResource with [%s] Success", query);
954 return OC_STACK_KEEP_TRANSACTION;
959 OIC_LOG(INFO, TAG, "Skiping Null response");
962 return OC_STACK_DELETE_TRANSACTION;
966 * Discover direct-pairing devices in the same IP subnet. .
968 * @param[in] waittime Timeout in seconds.
970 * @return OC_STACK_OK on success otherwise error.
972 OCStackResult DPDeviceDiscovery(unsigned short waittime)
974 OIC_LOG(DEBUG, TAG, "IN DPDeviceDiscovery");
978 delList(g_dp_discover);
979 g_dp_discover = NULL;
984 const char DP_DISCOVERY_QUERY[] = "/oic/sec/pconf";
986 OCCallbackData cbData;
987 cbData.cb = DirectPairingDiscoveryHandler;
988 cbData.context = NULL;
991 /* Start a DP discovery query*/
992 OIC_LOG_V(INFO, TAG, "Initiating Direct-Pairing Discovery : %s\n", DP_DISCOVERY_QUERY);
993 OCDoHandle handle = NULL;
994 ret = OCDoResource(&handle, OC_REST_DISCOVER, DP_DISCOVERY_QUERY, 0, 0, CT_DEFAULT,
995 OC_LOW_QOS, &cbData, NULL, 0);
996 if (ret != OC_STACK_OK)
998 OIC_LOG(ERROR, TAG, "OCStack resource error");
1005 #if defined(_MSC_VER)
1006 time_t startTime = NULL;
1007 clock_res = (time(&startTime) == -1);
1009 struct timespec startTime = {.tv_sec=0, .tv_nsec=0};
1010 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
1011 clock_res = clock_gettime(CLOCK_MONOTONIC, &startTime);
1016 OIC_LOG(ERROR, TAG, "clock error");
1017 if(OC_STACK_OK != OCCancel(handle, OC_LOW_QOS, NULL, 0))
1019 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
1021 return OC_STACK_ERROR;
1026 #if defined(_MSC_VER)
1027 time_t currTime = NULL;
1028 clock_res = (time(&currTime) == -1);
1030 struct timespec currTime = {.tv_sec=0, .tv_nsec=0};
1031 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
1032 clock_res = clock_gettime(CLOCK_MONOTONIC, &currTime);
1037 OIC_LOG(ERROR, TAG, "clock error");
1038 ret = OC_STACK_ERROR;
1041 #if defined(_MSC_VER)
1042 long elapsed = currTime - startTime;
1044 long elapsed = (currTime.tv_sec - startTime.tv_sec);
1046 if (elapsed > waittime)
1052 struct timespec timeout = {.tv_sec=0, .tv_nsec=100000000L};
1054 nanosleep(&timeout, NULL);
1058 // Waiting for each response.
1059 ret = OCCancel(handle, OC_LOW_QOS, NULL, 0);
1060 if (OC_STACK_OK != ret)
1062 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
1064 OIC_LOG(DEBUG, TAG, "OUT DPDeviceDiscovery");