1 /* *****************************************************************
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3 * Copyright 2016 Samsung Electronics All Rights Reserved.
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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19 * *****************************************************************/
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20 #ifndef _POSIX_C_SOURCE
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21 #define _POSIX_C_SOURCE 200112L
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23 #ifdef HAVE_UNISTD_H
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29 #ifdef HAVE_SYS_TIME_H
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30 #include <sys/time.h>
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32 #ifdef HAVE_STRING_H
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36 #include "ocstack.h"
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37 #include "oic_malloc.h"
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38 #include "oic_string.h"
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42 #include "ocpayload.h"
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43 #include "payload_logging.h"
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44 #include "cainterface.h"
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46 #include "directpairing.h"
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47 #include "srmresourcestrings.h" //@note: SRM's internal header
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48 #include "doxmresource.h" //@note: SRM's internal header
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49 #include "pconfresource.h" //@note: SRM's internal header
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50 #include "dpairingresource.h" //@note: SRM's internal header
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51 #include "credresource.h"
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53 #include "pmtypes.h"
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54 #include "pmutility.h"
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56 #include "srmutility.h"
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58 #ifdef __WITH_DTLS__
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64 static const uint16_t CBOR_SIZE = 1024;
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67 * Structure to carry direct-pairing API data to callback.
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69 typedef struct DPairData
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71 OCDirectPairingDev_t *peer; /**< Pointer to pairing target info.**/
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72 char pin[DP_PIN_LENGTH]; /**< PIN **/
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73 OCDirectPairingResultCB resultCallback; /**< Pointer to result callback.**/
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74 void *userCtx; /** < user context to pass in callback **/
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77 static OCDirectPairingDev_t *g_dp_paired = NULL;
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78 static OCDirectPairingDev_t *g_dp_discover = NULL;
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79 static DPairData_t *g_dp_proceed_ctx = NULL;
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83 * Function to search node in linked list that matches given IP and port.
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85 * @param[in] pList List of OCProvisionDev_t.
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86 * @param[in] addr address of target device.
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87 * @param[in] port port of remote server.
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89 * @return pointer of OCProvisionDev_t if exist, otherwise NULL
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91 OCDirectPairingDev_t* getDev(OCDirectPairingDev_t **ppList, const char* addr, const uint16_t port)
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95 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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99 OCDirectPairingDev_t *ptr = NULL;
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100 LL_FOREACH(*ppList, ptr)
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102 if( strcmp(ptr->endpoint.addr, addr) == 0 && port == ptr->endpoint.port)
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114 * Add device information to list.
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116 * @param[in] pList List of OCProvisionDev_t.
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117 * @param[in] addr address of target device.
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118 * @param[in] port port of remote server.
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119 * @param[in] adapter adapter type of endpoint.
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120 * @param[in] doxm pointer to doxm instance.
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121 * @param[in] connType connectivity type of endpoint
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123 * @return OC_STACK_OK for success and errorcode otherwise.
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125 OCStackResult addDev(OCDirectPairingDev_t **ppList, OCDevAddr *endpoint,
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126 OCConnectivityType conn, OicSecPconf_t *pconf)
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128 if(NULL == endpoint || NULL == pconf)
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130 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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131 return OC_STACK_INVALID_PARAM;
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134 OCDirectPairingDev_t *ptr = getDev(ppList, endpoint->addr, endpoint->port);
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137 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
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140 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
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141 return OC_STACK_NO_MEMORY;
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144 memcpy(&ptr->endpoint, endpoint, sizeof(OCDevAddr));
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145 ptr->connType = conn;
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146 ptr->securePort = DEFAULT_SECURE_PORT;
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147 ptr->edp = pconf->edp;
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148 ptr->prm = pconf->prm;
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149 pconf->prm = NULL; // to prevent free
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150 ptr->prmLen = pconf->prmLen;
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151 memcpy(&ptr->deviceID, &pconf->deviceID, sizeof(OicUuid_t));
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152 memcpy(&ptr->rowner, &pconf->rownerID, sizeof(OicUuid_t));
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155 LL_PREPEND(*ppList, ptr);
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156 OIC_LOG(INFO, TAG, "device added !");
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159 return OC_STACK_OK;
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164 * Add device information to list.
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166 * @param[in] ppList List of OCProvisionDev_t.
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167 * @param[in] pDev target device.
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169 * @return OC_STACK_OK for success and errorcode otherwise.
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171 OCStackResult addDev2(OCDirectPairingDev_t **ppList, OCDirectPairingDev_t *pDev)
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175 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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176 return OC_STACK_INVALID_PARAM;
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179 OCDirectPairingDev_t *ptr = getDev(ppList, pDev->endpoint.addr, pDev->endpoint.port);
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182 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
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185 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
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186 return OC_STACK_NO_MEMORY;
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189 memcpy(&ptr->endpoint, &pDev->endpoint, sizeof(OCDevAddr));
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190 ptr->connType = pDev->connType;
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191 ptr->securePort = pDev->securePort;
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192 ptr->edp = pDev->edp;
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193 ptr->prmLen = pDev->prmLen;
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194 ptr->prm = (OicSecPrm_t*)OICCalloc(ptr->prmLen, sizeof (OicSecPrm_t));
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195 if (NULL == ptr->prm)
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197 OIC_LOG(ERROR, TAG, "Error while allocating memory for prm !!");
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198 return OC_STACK_NO_MEMORY;
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200 memcpy(ptr->prm, pDev->prm, sizeof(OicSecPrm_t)*ptr->prmLen);
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201 memcpy(&ptr->deviceID, &pDev->deviceID, sizeof(OicUuid_t));
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202 memcpy(&ptr->rowner, &pDev->rowner, sizeof(OicUuid_t));
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205 LL_PREPEND(*ppList, ptr);
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206 OIC_LOG(INFO, TAG, "device added !");
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209 return OC_STACK_OK;
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215 * This function deletes list of provision target devices
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217 * @param[in] pDevicesList List of OCProvisionDev_t.
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219 void delList(OCDirectPairingDev_t *pList)
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223 OCDirectPairingDev_t *del = NULL, *tmp = NULL;
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224 LL_FOREACH_SAFE(pList, del, tmp)
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226 LL_DELETE(pList, del);
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227 if (del && del->prm)
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235 bool DPGenerateQuery(bool isSecure,
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236 const char* address, const uint16_t port,
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237 const OCConnectivityType connType,
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238 char* buffer, size_t bufferSize, const char* uri)
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240 if(!address || !buffer || !uri)
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242 OIC_LOG(ERROR, TAG, "DPGenerateQuery : Invalid parameters.");
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246 static char QPREFIX_COAP[] = "coap://";
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247 static char QPREFIX_COAPS[] = "coaps://";
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248 static char QPREFIX_COAP_TCP[] = "coap+tcp://";
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249 static char QPREFIX_COAPS_TCP[] = "coaps+tcp://";
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252 char* prefix = (isSecure == true) ? QPREFIX_COAPS : QPREFIX_COAP;
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254 switch(connType & CT_MASK_ADAPTER)
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256 case CT_ADAPTER_TCP:
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257 prefix = (isSecure == true) ? QPREFIX_COAPS_TCP : QPREFIX_COAP_TCP;
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258 case CT_ADAPTER_IP:
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259 switch(connType & CT_MASK_FLAGS & ~CT_FLAG_SECURE)
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262 snRet = snprintf(buffer, bufferSize, "%s%s:%d%s",
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263 prefix, address, port, uri);
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266 snRet = snprintf(buffer, bufferSize, "%s[%s]:%d%s",
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267 prefix, address, port, uri);
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270 OIC_LOG(ERROR, TAG, "Unknown address format.");
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273 // snprintf return value check
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276 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Error (snprintf) %d\n", snRet);
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279 else if ((size_t)snRet >= bufferSize)
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281 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Truncated (snprintf) %d\n", snRet);
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286 #ifndef WITH_ARDUINO
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287 // TODO: We need to verify tinyDTLS in below cases
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288 case CT_ADAPTER_GATT_BTLE:
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289 case CT_ADAPTER_RFCOMM_BTEDR:
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290 OIC_LOG(ERROR, TAG, "Not supported connectivity adapter.");
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295 OIC_LOG(ERROR, TAG, "Unknown connectivity adapter.");
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302 const OCDirectPairingDev_t* DPGetDiscoveredDevices()
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304 return g_dp_discover;
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307 const OCDirectPairingDev_t* DPGetPairedDevices()
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309 return g_dp_paired;
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312 void DPDeleteLists()
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314 delList(g_dp_discover);
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315 delList(g_dp_paired);
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319 * Callback handler of FinalizeDirectPairing.
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321 * @param[in] ctx ctx value passed to callback from calling function.
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322 * @param[in] UNUSED handle to an invocation
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323 * @param[in] clientResponse Response from queries to remote servers.
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324 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
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325 * and OC_STACK_KEEP_TRANSACTION to keep it.
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327 static OCStackApplicationResult DirectPairingFinalizeHandler(void *ctx, OCDoHandle UNUSED,
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328 OCClientResponse *clientResponse)
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330 OIC_LOG_V(INFO, TAG, "IN DirectPairingFinalizeHandler()");
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334 OIC_LOG(ERROR, TAG, "Context is Null");
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335 return OC_STACK_DELETE_TRANSACTION;
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339 DPairData_t *dpairData = (DPairData_t*)ctx;
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340 OCDirectPairingDev_t *peer = dpairData->peer;
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341 OCDirectPairingResultCB resultCallback = dpairData->resultCallback;
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343 if (clientResponse)
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345 if(OC_STACK_RESOURCE_CHANGED == clientResponse->result)
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348 OIC_LOG(INFO, TAG, "DirectPairingFinalizeHandler : success PUT"
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349 " request to /oic/sec/dpairing");
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351 CAEndpoint_t endpoint;
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352 memset(&endpoint, 0x00, sizeof(CAEndpoint_t));
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353 OICStrcpy(endpoint.addr, MAX_ADDR_STR_SIZE_CA, peer->endpoint.addr);
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354 endpoint.addr[MAX_ADDR_STR_SIZE_CA - 1] = '\0';
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355 endpoint.port = peer->securePort;
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357 OicUuid_t ptDeviceID = {.id={0}};
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358 if (OC_STACK_OK != GetDoxmDeviceID(&ptDeviceID))
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360 OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
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361 resultCallback(dpairData->userCtx, peer, OC_STACK_ERROR);
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362 return OC_STACK_DELETE_TRANSACTION;
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365 #ifdef __WITH_DTLS__
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366 res = SavePairingPSK((OCDevAddr*)&endpoint, &peer->deviceID, &ptDeviceID, false);
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367 if(OC_STACK_OK != res)
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369 OIC_LOG(ERROR, TAG, "Failed to PairingPSK generation");
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370 resultCallback(dpairData->userCtx, peer, res);
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371 return OC_STACK_DELETE_TRANSACTION;
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374 // close temporary sesion
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375 CAResult_t caResult = CACloseDtlsSession((const CAEndpoint_t*)&endpoint);
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376 if(CA_STATUS_OK != caResult)
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378 OIC_LOG(INFO, TAG, "Fail to close temporary dtls session");
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381 caResult = CASelectCipherSuite(TLS_NULL_WITH_NULL_NULL, CA_ADAPTER_IP);
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382 if(CA_STATUS_OK != caResult)
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384 OIC_LOG(ERROR, TAG, "Failed to select TLS_NULL_WITH_NULL_NULL");
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386 #endif // __WITH_DTLS__
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388 OIC_LOG(INFO, TAG, "Direct-Papring was successfully completed.");
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390 // update paired list
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391 OCDirectPairingDev_t *dev = getDev(&g_dp_discover, peer->endpoint.addr,
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392 peer->endpoint.port);
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393 res = addDev2(&g_dp_paired, dev);
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394 if (OC_STACK_OK != res)
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396 OIC_LOG(ERROR, TAG, "Error while adding a device to paired list.");
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399 resultCallback(dpairData->userCtx, peer, OC_STACK_OK);
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401 return OC_STACK_DELETE_TRANSACTION;
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405 OIC_LOG(INFO, TAG, "Direct-Papring received error response.");
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410 OIC_LOG(ERROR, TAG, "DirectPairingFinalizeHandler received Null clientResponse");
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413 resultCallback(dpairData->userCtx, peer, OC_STACK_ERROR);
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414 OICFree(dpairData);
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415 return OC_STACK_DELETE_TRANSACTION;
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419 * Finalize direct-pairing .
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421 * @param[in] peer target device to establish direct-pairing.
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422 * @param[in] resultCallback result event callback.
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424 * @return OC_STACK_OK on success otherwise error.
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426 OCStackResult FinalizeDirectPairing(void *ctx, OCDirectPairingDev_t* peer,
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427 OCDirectPairingResultCB resultCallback)
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431 return OC_STACK_INVALID_PARAM;
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434 OicUuid_t deviceID = {.id={0}};
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435 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
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437 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
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438 return OC_STACK_ERROR;
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441 OicSecDpairing_t dpair;
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442 memset(&dpair, 0, sizeof(OicSecDpairing_t));
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443 dpair.spm = (OicSecPrm_t)PRM_NOT_ALLOWED;
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444 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
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446 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
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449 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
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450 return OC_STACK_NO_MEMORY;
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452 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
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454 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData),
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455 &(secPayload->payloadSize));
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457 if(OC_STACK_OK != ret)
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459 OICFree(secPayload);
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460 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
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461 return OC_STACK_NO_MEMORY;
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463 OIC_LOG(INFO, TAG, "DPARING CBOR data:");
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464 OIC_LOG_BUFFER(INFO, TAG, secPayload->securityData, secPayload->payloadSize);
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466 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
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467 if(!DPGenerateQuery(true,
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468 peer->endpoint.addr,
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471 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
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473 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
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474 return OC_STACK_ERROR;
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476 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
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478 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
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479 if (dpairData == NULL)
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481 OICFree(secPayload->securityData);
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482 OICFree(secPayload);
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483 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
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484 return OC_STACK_NO_MEMORY;
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486 dpairData->peer = peer;
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487 dpairData->resultCallback = resultCallback;
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488 dpairData->userCtx = ctx;
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490 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
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491 cbData.cb = DirectPairingFinalizeHandler;
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492 cbData.context = (void*)dpairData;
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495 OCMethod method = OC_REST_PUT;
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496 OCDoHandle handle = NULL;
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497 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
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498 ret = OCDoResource(&handle, method, query,
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499 &peer->endpoint, (OCPayload*)secPayload,
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500 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
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501 if(OC_STACK_OK != ret)
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503 OIC_LOG(ERROR, TAG, "error in OCDoResource");
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504 return OC_STACK_ERROR;
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507 return OC_STACK_OK;
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511 * Function to handle the handshake result in Direct-Pairing.
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512 * This function will be invoked after DTLS handshake
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513 * @param endPoint [IN] The remote endpoint.
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514 * @param errorInfo [IN] Error information from the endpoint.
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517 void DirectPairingDTLSHandshakeCB(const CAEndpoint_t *endpoint, const CAErrorInfo_t *info)
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519 OIC_LOG_V(INFO, TAG, "IN DirectPairingDTLSHandshakeCB");
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522 if(g_dp_proceed_ctx && g_dp_proceed_ctx->peer && endpoint && info)
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524 OIC_LOG_V(INFO, TAG, "Received status from remote device(%s:%d) : %d",
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525 endpoint->addr, endpoint->port, info->result);
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527 OCDirectPairingDev_t *peer = g_dp_proceed_ctx->peer;
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528 OCDirectPairingResultCB resultCallback = g_dp_proceed_ctx->resultCallback;
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531 //Make sure the address matches.
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532 if(strncmp(peer->endpoint.addr, endpoint->addr, sizeof(endpoint->addr)) == 0 &&
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533 peer->securePort == endpoint->port)
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535 //In case of success, send next coaps request.
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536 if(CA_STATUS_OK == info->result)
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538 OIC_LOG(INFO, TAG, "Now, finalize Direct-Pairing procedure.");
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540 res = FinalizeDirectPairing(g_dp_proceed_ctx->userCtx, peer, resultCallback);
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541 if(OC_STACK_OK != res)
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543 OIC_LOG(ERROR, TAG, "Failed to finalize direct-pairing");
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544 resultCallback(g_dp_proceed_ctx->userCtx, peer, res);
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547 else if(CA_DTLS_AUTHENTICATION_FAILURE == info->result)
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549 OIC_LOG(INFO, TAG, "DirectPairingDTLSHandshakeCB - Authentication failed");
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550 resultCallback(g_dp_proceed_ctx->userCtx, peer, OC_STACK_AUTHENTICATION_FAILURE);
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553 #ifdef __WITH_DTLS__
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554 CARegisterDTLSHandshakeCallback(NULL);
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555 #endif // __WITH_DTLS__
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556 res = RemoveCredential(&peer->deviceID);
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557 if(OC_STACK_RESOURCE_DELETED != res)
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559 OIC_LOG_V(ERROR, TAG, "Failed to remove temporal PSK : %d", res);
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562 OICFree(g_dp_proceed_ctx);
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563 g_dp_proceed_ctx = NULL;
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567 OIC_LOG_V(INFO, TAG, "DirectPairingDTLSHandshakeCB - Not matched to peer address");
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571 OIC_LOG_V(INFO, TAG, "OUT DirectPairingDTLSHandshakeCB");
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575 * Callback handler of DPDirectPairing.
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577 * @param[in] ctx ctx value passed to callback from calling function.
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578 * @param[in] UNUSED handle to an invocation
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579 * @param[in] clientResponse Response from queries to remote servers.
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580 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
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581 * and OC_STACK_KEEP_TRANSACTION to keep it.
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583 static OCStackApplicationResult DirectPairingHandler(void *ctx, OCDoHandle UNUSED,
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584 OCClientResponse *clientResponse)
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586 OIC_LOG_V(INFO, TAG, "IN DirectPairingHandler.");
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590 OIC_LOG(ERROR, TAG, "Context is Null");
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591 return OC_STACK_DELETE_TRANSACTION;
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594 OCStackResult res = OC_STACK_ERROR;
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595 DPairData_t *dpairData = (DPairData_t*)ctx;
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596 OCDirectPairingResultCB resultCallback = (OCDirectPairingResultCB)dpairData->resultCallback;
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597 OicUuid_t subjectId = {.id={0}};
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599 if (clientResponse)
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601 if(OC_STACK_RESOURCE_CHANGED == clientResponse->result)
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604 OIC_LOG(INFO, TAG, "DirectPairingHandler : success POST request to /oic/sec/dpairing");
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606 #ifdef __WITH_DTLS__
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607 // Add temporary psk
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608 res = AddTmpPskWithPIN(&dpairData->peer->deviceID,
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609 SYMMETRIC_PAIR_WISE_KEY,
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610 (char*)dpairData->pin, DP_PIN_LENGTH,
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611 &dpairData->peer->rowner, &subjectId);
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612 VERIFY_SUCCESS(TAG, OC_STACK_OK == res, ERROR);
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615 // Start to establish a secure channel with Pin-based PSK cipher suite
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616 CAResult_t caresult;
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618 caresult = CAEnableAnonECDHCipherSuite(false);
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619 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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621 caresult = CASelectCipherSuite(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA_256, CA_ADAPTER_IP);
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622 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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624 //Register proceeding peer info. & DTLS event handler to catch the dtls event while handshake
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625 g_dp_proceed_ctx = dpairData;
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626 res = CARegisterDTLSHandshakeCallback(DirectPairingDTLSHandshakeCB);
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627 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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630 CAEndpoint_t *endpoint = (CAEndpoint_t *)OICCalloc(1, sizeof (CAEndpoint_t));
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631 VERIFY_NON_NULL(TAG, endpoint, FATAL);
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632 memcpy(endpoint,&dpairData->peer->endpoint,sizeof(CAEndpoint_t));
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633 endpoint->port = dpairData->peer->securePort;
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634 OIC_LOG_V(INFO, TAG, "Initiate DTLS handshake to %s(%d)", endpoint->addr,
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637 caresult = CAInitiateHandshake(endpoint);
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639 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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640 #endif // __WITH_DTLS__
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647 OIC_LOG(INFO, TAG, "DirectPairingHandler : fail POST request to /oic/sec/dpairing");
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652 OIC_LOG(ERROR, TAG, "DirectPairingHandler received Null clientResponse");
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655 #ifdef __WITH_DTLS__
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657 #endif // __WITH_DTLS__
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659 if (OC_STACK_OK != res)
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661 if (0 < strlen((const char*)subjectId.id))
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663 RemoveCredential(&dpairData->peer->deviceID);
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664 OICFree(dpairData);
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665 g_dp_proceed_ctx = NULL;
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668 resultCallback(dpairData->userCtx, dpairData->peer, res);
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670 OIC_LOG_V(INFO, TAG, "OUT DirectPairingHandler.");
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671 return OC_STACK_DELETE_TRANSACTION;
\r
675 * Start direct-pairing .
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677 * @param[in] peer target device to establish direct-pairing.
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678 * @param[in] pmSel selected pairing method.
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679 * @param[in] pinNumber secret value for dtls connection.
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681 * @return OC_STACK_OK on success otherwise error.
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683 OCStackResult DPDirectPairing(void *ctx, OCDirectPairingDev_t* peer, OicSecPrm_t pmSel,
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684 char *pinNumber, OCDirectPairingResultCB resultCallback)
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686 if(NULL == peer || NULL == pinNumber)
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688 return OC_STACK_INVALID_PARAM;
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691 OicUuid_t deviceID = {.id={0}};
\r
692 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
\r
694 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
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695 return OC_STACK_ERROR;
\r
698 OicSecDpairing_t dpair;
\r
699 memset(&dpair, 0, sizeof(OicSecDpairing_t));
\r
701 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
\r
703 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
\r
706 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
\r
707 return OC_STACK_NO_MEMORY;
\r
709 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
\r
711 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData),
\r
712 &(secPayload->payloadSize));
\r
714 if(OC_STACK_OK != ret)
\r
716 OICFree(secPayload);
\r
717 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
\r
718 return OC_STACK_NO_MEMORY;
\r
720 OIC_LOG(INFO, TAG, "DPARING CBOR data:");
\r
721 OIC_LOG_BUFFER(INFO, TAG, secPayload->securityData, secPayload->payloadSize);
\r
723 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
\r
724 if(!DPGenerateQuery(false,
\r
725 peer->endpoint.addr,
\r
726 peer->endpoint.port,
\r
727 //peer->securePort,
\r
729 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
\r
731 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
\r
732 return OC_STACK_ERROR;
\r
734 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
\r
736 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
\r
737 if (dpairData == NULL)
\r
739 OICFree(secPayload->securityData);
\r
740 OICFree(secPayload);
\r
741 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
\r
742 return OC_STACK_NO_MEMORY;
\r
744 dpairData->peer = peer;
\r
745 memcpy(dpairData->pin, pinNumber, DP_PIN_LENGTH);
\r
746 dpairData->resultCallback = resultCallback;
\r
747 dpairData->userCtx = ctx;
\r
749 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
\r
750 cbData.cb = DirectPairingHandler;
\r
751 cbData.context = (void*)dpairData;
\r
754 OCMethod method = OC_REST_POST;
\r
755 OCDoHandle handle = NULL;
\r
756 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
\r
757 ret = OCDoResource(&handle, method, query,
\r
758 &peer->endpoint, (OCPayload*)secPayload,
\r
759 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
\r
760 if(OC_STACK_OK != ret)
\r
762 OIC_LOG(ERROR, TAG, "error in OCDoResource");
\r
763 return OC_STACK_ERROR;
\r
766 return OC_STACK_OK;
\r
771 * Callback handler for getting secure port information using /oic/res discovery.
\r
773 * @param[in] ctx user context
\r
774 * @param[in] handle Handle for response
\r
775 * @param[in] clientResponse Response information(It will contain payload)
\r
777 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
\r
778 * OC_STACK_DELETE_TRANSACTION to delete it.
\r
780 static OCStackApplicationResult DirectPairingPortDiscoveryHandler(void *ctx, OCDoHandle UNUSED,
\r
781 OCClientResponse *clientResponse)
\r
783 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing Secure Port DISCOVER "
\r
784 "query recvd successfully");
\r
788 if (clientResponse)
\r
790 if (NULL == clientResponse->payload)
\r
792 OIC_LOG(INFO, TAG, "Skiping Null payload");
\r
796 if (PAYLOAD_TYPE_DISCOVERY != clientResponse->payload->type)
\r
798 OIC_LOG(INFO, TAG, "Wrong payload type");
\r
799 return OC_STACK_DELETE_TRANSACTION;
\r
802 uint16_t securePort = 0;
\r
803 OCResourcePayload* resPayload = ((OCDiscoveryPayload*)clientResponse->payload)->resources;
\r
804 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
\r
806 if (resPayload && resPayload->secure)
\r
808 securePort = resPayload->port;
\r
812 OIC_LOG(INFO, TAG, "Can not find secure port information.");
\r
813 return OC_STACK_DELETE_TRANSACTION;
\r
816 OCDirectPairingDev_t *ptr = getDev(&g_dp_discover,
\r
817 clientResponse->devAddr.addr, clientResponse->devAddr.port);
\r
820 OIC_LOG(ERROR, TAG, "Can not find device information in the discovery device list");
\r
821 return OC_STACK_DELETE_TRANSACTION;
\r
823 ptr->securePort = securePort;
\r
825 OIC_LOG(INFO, TAG, "Exiting DirectPairingPortDiscoveryHandler.");
\r
828 return OC_STACK_DELETE_TRANSACTION;
\r
832 OIC_LOG(INFO, TAG, "Skiping Null response");
\r
834 return OC_STACK_DELETE_TRANSACTION;
\r
838 * Callback handler for DPDeviceDiscovery API.
\r
840 * @param[in] ctx User context
\r
841 * @param[in] handle Handler for response
\r
842 * @param[in] clientResponse Response information (It will contain payload)
\r
843 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
\r
844 * OC_STACK_DELETE_TRANSACTION to delete it.
\r
846 static OCStackApplicationResult DirectPairingDiscoveryHandler(void* ctx, OCDoHandle UNUSED,
\r
847 OCClientResponse * clientResponse)
\r
849 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing DISCOVER query recvd successfully");
\r
853 if (clientResponse)
\r
855 OIC_LOG_V(INFO, TAG, "StackResult: %d", clientResponse->result);
\r
856 OIC_LOG_V(INFO, TAG,
\r
857 "Device =============> Discovered @ %s:%d",
\r
858 clientResponse->devAddr.addr,
\r
859 clientResponse->devAddr.port);
\r
861 if (NULL == clientResponse->payload)
\r
863 OIC_LOG(INFO, TAG, "Skiping Null payload");
\r
864 return OC_STACK_KEEP_TRANSACTION;
\r
866 if (OC_STACK_OK != clientResponse->result)
\r
868 OIC_LOG(INFO, TAG, "Error in response");
\r
869 return OC_STACK_KEEP_TRANSACTION;
\r
872 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
\r
873 OicSecPconf_t *pconf = NULL;
\r
875 OCStackResult res = CBORPayloadToPconf(
\r
876 ((OCSecurityPayload*)clientResponse->payload)->securityData,
\r
878 if (OC_STACK_OK != res )
\r
880 OIC_LOG(INFO, TAG, "Ignoring malformed CBOR");
\r
881 return OC_STACK_KEEP_TRANSACTION;
\r
887 OCDevAddr endpoint;
\r
888 memcpy(&endpoint, &clientResponse->devAddr, sizeof(OCDevAddr));
\r
890 OCStackResult res = addDev(&g_dp_discover, &endpoint,
\r
891 clientResponse->connType, pconf);
\r
892 DeletePconfBinData(pconf);
\r
893 if (OC_STACK_OK != res)
\r
895 OIC_LOG(ERROR, TAG, "Error while adding data to linkedlist.");
\r
896 return OC_STACK_KEEP_TRANSACTION;
\r
900 char rsrc_uri[MAX_URI_LENGTH+1] = {0};
\r
901 int wr_len = snprintf(rsrc_uri, sizeof(rsrc_uri), "%s?%s=%s",
\r
902 OC_RSRVD_WELL_KNOWN_URI, OC_RSRVD_RESOURCE_TYPE, OIC_RSRC_TYPE_SEC_DPAIRING);
\r
903 if(wr_len <= 0 || (size_t)wr_len >= sizeof(rsrc_uri))
\r
905 OIC_LOG(ERROR, TAG, "rsrc_uri_string_print failed");
\r
906 return OC_STACK_KEEP_TRANSACTION;
\r
909 //Try to the unicast discovery to getting secure port
\r
910 char query[MAX_URI_LENGTH+MAX_QUERY_LENGTH+1] = {0};
\r
911 if(!DPGenerateQuery(false,
\r
912 clientResponse->devAddr.addr, clientResponse->devAddr.port,
\r
913 clientResponse->connType,
\r
914 query, sizeof(query), rsrc_uri))
\r
916 OIC_LOG(ERROR, TAG, "DirectPairingDiscoveryHandler : Failed to generate query");
\r
917 return OC_STACK_KEEP_TRANSACTION;
\r
919 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
\r
921 OCCallbackData cbData;
\r
922 cbData.cb = &DirectPairingPortDiscoveryHandler;
\r
923 cbData.context = NULL;
\r
925 OCStackResult ret = OCDoResource(NULL, OC_REST_DISCOVER, query, 0, 0,
\r
926 clientResponse->connType, OC_LOW_QOS, &cbData, NULL, 0);
\r
927 if(OC_STACK_OK != ret)
\r
929 OIC_LOG(ERROR, TAG, "Failed to Secure Port Discovery");
\r
930 return OC_STACK_KEEP_TRANSACTION;
\r
934 OIC_LOG_V(INFO, TAG, "OCDoResource with [%s] Success", query);
\r
937 return OC_STACK_KEEP_TRANSACTION;
\r
942 OIC_LOG(INFO, TAG, "Skiping Null response");
\r
945 return OC_STACK_DELETE_TRANSACTION;
\r
947 #ifndef WITH_ARDUINO
\r
949 * Discover direct-pairing devices in the same IP subnet. .
\r
951 * @param[in] waittime Timeout in seconds.
\r
953 * @return OC_STACK_OK on success otherwise error.
\r
955 OCStackResult DPDeviceDiscovery(unsigned short waittime)
\r
957 OIC_LOG(DEBUG, TAG, "IN DPDeviceDiscovery");
\r
961 delList(g_dp_discover);
\r
962 g_dp_discover = NULL;
\r
967 const char DP_DISCOVERY_QUERY[] = "/oic/sec/pconf";
\r
969 OCCallbackData cbData;
\r
970 cbData.cb = DirectPairingDiscoveryHandler;
\r
971 cbData.context = NULL;
\r
974 /* Start a DP discovery query*/
\r
975 OIC_LOG_V(INFO, TAG, "Initiating Direct-Pairing Discovery : %s\n", DP_DISCOVERY_QUERY);
\r
976 OCDoHandle handle = NULL;
\r
977 ret = OCDoResource(&handle, OC_REST_DISCOVER, DP_DISCOVERY_QUERY, 0, 0, CT_DEFAULT,
\r
978 OC_LOW_QOS, &cbData, NULL, 0);
\r
979 if (ret != OC_STACK_OK)
\r
981 OIC_LOG(ERROR, TAG, "OCStack resource error");
\r
987 int clock_res = -1;
\r
988 #if defined(_MSC_VER)
\r
989 time_t startTime = NULL;
\r
990 clock_res = (time(&startTime) == -1);
\r
992 struct timespec startTime = {.tv_sec=0, .tv_nsec=0};
\r
993 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
\r
994 clock_res = clock_gettime(CLOCK_MONOTONIC, &startTime);
\r
997 if (0 != clock_res)
\r
999 OIC_LOG(ERROR, TAG, "clock error");
\r
1000 if(OC_STACK_OK != OCCancel(handle, OC_LOW_QOS, NULL, 0))
\r
1002 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
\r
1004 return OC_STACK_ERROR;
\r
1009 #if defined(_MSC_VER)
\r
1010 time_t currTime = NULL;
\r
1011 clock_res = (time(&currTime) == -1);
\r
1013 struct timespec currTime = {.tv_sec=0, .tv_nsec=0};
\r
1014 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
\r
1015 clock_res = clock_gettime(CLOCK_MONOTONIC, &currTime);
\r
1018 if (0 != clock_res)
\r
1020 OIC_LOG(ERROR, TAG, "clock error");
\r
1021 ret = OC_STACK_ERROR;
\r
1024 #if defined(_MSC_VER)
\r
1025 long elapsed = currTime - startTime;
\r
1027 long elapsed = (currTime.tv_sec - startTime.tv_sec);
\r
1029 if (elapsed > waittime)
\r
1035 struct timespec timeout = {.tv_sec=0, .tv_nsec=100000000L};
\r
1037 nanosleep(&timeout, NULL);
\r
1041 // Waiting for each response.
\r
1042 ret = OCCancel(handle, OC_LOW_QOS, NULL, 0);
\r
1043 if (OC_STACK_OK != ret)
\r
1045 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
\r
1047 OIC_LOG(DEBUG, TAG, "OUT DPDeviceDiscovery");
\r