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 #ifndef WITH_ARDUINO
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26 #include <sys/time.h>
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30 #include "ocstack.h"
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31 #include "oic_malloc.h"
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32 #include "oic_string.h"
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36 #include "ocpayload.h"
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37 #include "payload_logging.h"
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38 #include "cainterface.h"
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40 #include "directpairing.h"
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41 #include "srmresourcestrings.h" //@note: SRM's internal header
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42 #include "doxmresource.h" //@note: SRM's internal header
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43 #include "pconfresource.h" //@note: SRM's internal header
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44 #include "dpairingresource.h" //@note: SRM's internal header
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45 #include "credresource.h"
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47 #include "pmtypes.h"
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48 #include "pmutility.h"
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50 #include "srmutility.h"
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52 #ifdef __WITH_DTLS__
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58 static const uint16_t CBOR_SIZE = 1024;
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61 * Structure to carry direct-pairing API data to callback.
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63 typedef struct DPairData
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65 OCDirectPairingDev_t *peer; /**< Pointer to pairing target info.**/
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66 char pin[DP_PIN_LENGTH]; /**< PIN **/
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67 OCDirectPairingResultCB resultCallback; /**< Pointer to result callback.**/
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70 static OCDirectPairingDev_t *g_dp_paired = NULL;
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71 static OCDirectPairingDev_t *g_dp_discover = NULL;
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72 static DPairData_t *g_dp_proceed_ctx = NULL;
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76 * Function to search node in linked list that matches given IP and port.
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78 * @param[in] pList List of OCProvisionDev_t.
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79 * @param[in] addr address of target device.
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80 * @param[in] port port of remote server.
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82 * @return pointer of OCProvisionDev_t if exist, otherwise NULL
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84 OCDirectPairingDev_t* getDev(OCDirectPairingDev_t **ppList, const char* addr, const uint16_t port)
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88 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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92 OCDirectPairingDev_t *ptr = NULL;
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93 LL_FOREACH(*ppList, ptr)
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95 if( strcmp(ptr->endpoint.addr, addr) == 0 && port == ptr->endpoint.port)
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107 * Add device information to list.
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109 * @param[in] pList List of OCProvisionDev_t.
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110 * @param[in] addr address of target device.
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111 * @param[in] port port of remote server.
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112 * @param[in] adapter adapter type of endpoint.
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113 * @param[in] doxm pointer to doxm instance.
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114 * @param[in] connType connectivity type of endpoint
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116 * @return OC_STACK_OK for success and errorcode otherwise.
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118 OCStackResult addDev(OCDirectPairingDev_t **ppList, OCDevAddr *endpoint,
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119 OCConnectivityType conn, OicSecPconf_t *pconf)
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121 if(NULL == endpoint || NULL == pconf)
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123 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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124 return OC_STACK_INVALID_PARAM;
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127 OCDirectPairingDev_t *ptr = getDev(ppList, endpoint->addr, endpoint->port);
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130 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
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133 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
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134 return OC_STACK_NO_MEMORY;
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137 memcpy(&ptr->endpoint, endpoint, sizeof(OCDevAddr));
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138 ptr->connType = conn;
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139 ptr->securePort = DEFAULT_SECURE_PORT;
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140 ptr->edp = pconf->edp;
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141 ptr->prm = pconf->prm;
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142 pconf->prm = NULL; // to prevent free
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143 ptr->prmLen = pconf->prmLen;
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144 memcpy(&ptr->deviceID, &pconf->deviceID, sizeof(OicUuid_t));
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145 memcpy(&ptr->rowner, &pconf->rowner, sizeof(OicUuid_t));
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148 LL_PREPEND(*ppList, ptr);
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149 OIC_LOG(INFO, TAG, "device added !");
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152 return OC_STACK_OK;
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157 * Add device information to list.
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159 * @param[in] ppList List of OCProvisionDev_t.
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160 * @param[in] pDev target device.
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162 * @return OC_STACK_OK for success and errorcode otherwise.
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164 OCStackResult addDev2(OCDirectPairingDev_t **ppList, OCDirectPairingDev_t *pDev)
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168 OIC_LOG_V(ERROR, TAG, "Invalid Input parameters in [%s]\n", __FUNCTION__);
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169 return OC_STACK_INVALID_PARAM;
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172 OCDirectPairingDev_t *ptr = getDev(ppList, pDev->endpoint.addr, pDev->endpoint.port);
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175 ptr = (OCDirectPairingDev_t *)OICCalloc(1, sizeof (OCDirectPairingDev_t));
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178 OIC_LOG(ERROR, TAG, "Error while allocating memory for linkedlist node !!");
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179 return OC_STACK_NO_MEMORY;
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182 memcpy(&ptr->endpoint, &pDev->endpoint, sizeof(OCDevAddr));
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183 ptr->connType = pDev->connType;
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184 ptr->securePort = pDev->securePort;
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185 ptr->edp = pDev->edp;
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186 ptr->prmLen = pDev->prmLen;
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187 ptr->prm = (OicSecPrm_t*)OICCalloc(ptr->prmLen, sizeof (OicSecPrm_t));
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188 if (NULL == ptr->prm)
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190 OIC_LOG(ERROR, TAG, "Error while allocating memory for prm !!");
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191 return OC_STACK_NO_MEMORY;
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193 memcpy(ptr->prm, pDev->prm, sizeof(OicSecPrm_t)*ptr->prmLen);
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194 memcpy(&ptr->deviceID, &pDev->deviceID, sizeof(OicUuid_t));
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195 memcpy(&ptr->rowner, &pDev->rowner, sizeof(OicUuid_t));
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198 LL_PREPEND(*ppList, ptr);
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199 OIC_LOG(INFO, TAG, "device added !");
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202 return OC_STACK_OK;
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208 * This function deletes list of provision target devices
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210 * @param[in] pDevicesList List of OCProvisionDev_t.
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212 void delList(OCDirectPairingDev_t *pList)
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216 OCDirectPairingDev_t *del = NULL, *tmp = NULL;
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217 LL_FOREACH_SAFE(pList, del, tmp)
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219 LL_DELETE(pList, del);
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220 if (del && del->prm)
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228 bool DPGenerateQuery(bool isSecure,
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229 const char* address, const uint16_t port,
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230 const OCConnectivityType connType,
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231 char* buffer, size_t bufferSize, const char* uri)
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233 if(!address || !buffer || !uri)
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235 OIC_LOG(ERROR, TAG, "DPGenerateQuery : Invalid parameters.");
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239 static char QPREFIX_COAP[] = "coap://";
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240 static char QPREFIX_COAPS[] = "coaps://";
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243 char* prefix = (isSecure == true) ? QPREFIX_COAPS : QPREFIX_COAP;
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245 switch(connType & CT_MASK_ADAPTER)
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247 case CT_ADAPTER_IP:
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248 switch(connType & CT_MASK_FLAGS & ~CT_FLAG_SECURE)
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251 snRet = snprintf(buffer, bufferSize, "%s%s:%d%s",
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252 prefix, address, port, uri);
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255 snRet = snprintf(buffer, bufferSize, "%s[%s]:%d%s",
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256 prefix, address, port, uri);
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259 OIC_LOG(ERROR, TAG, "Unknown address format.");
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262 // snprintf return value check
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265 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Error (snprintf) %d\n", snRet);
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268 else if ((size_t)snRet >= bufferSize)
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270 OIC_LOG_V(ERROR, TAG, "DPGenerateQuery : Truncated (snprintf) %d\n", snRet);
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275 #ifndef WITH_ARDUINO
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276 // TODO: We need to verify tinyDTLS in below cases
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277 case CT_ADAPTER_GATT_BTLE:
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278 case CT_ADAPTER_RFCOMM_BTEDR:
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279 OIC_LOG(ERROR, TAG, "Not supported connectivity adapter.");
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284 OIC_LOG(ERROR, TAG, "Unknown connectivity adapter.");
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291 const OCDirectPairingDev_t* DPGetDiscoveredDevices()
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293 return g_dp_discover;
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296 const OCDirectPairingDev_t* DPGetPairedDevices()
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298 return g_dp_paired;
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301 void DPDeleteLists()
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303 delList(g_dp_discover);
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304 delList(g_dp_paired);
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308 * Callback handler of FinalizeDirectPairing.
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310 * @param[in] ctx ctx value passed to callback from calling function.
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311 * @param[in] UNUSED handle to an invocation
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312 * @param[in] clientResponse Response from queries to remote servers.
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313 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
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314 * and OC_STACK_KEEP_TRANSACTION to keep it.
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316 static OCStackApplicationResult DirectPairingFinalizeHandler(void *ctx, OCDoHandle UNUSED,
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317 OCClientResponse *clientResponse)
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319 OIC_LOG_V(INFO, TAG, "IN DirectPairingFinalizeHandler()");
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323 OIC_LOG(ERROR, TAG, "Context is Null");
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324 return OC_STACK_DELETE_TRANSACTION;
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328 DPairData_t *dpairData = (DPairData_t*)ctx;
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329 OCDirectPairingDev_t *peer = dpairData->peer;
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330 OCDirectPairingResultCB resultCallback = dpairData->resultCallback;
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332 if (clientResponse)
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334 if(OC_STACK_OK == clientResponse->result)
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337 OIC_LOG(INFO, TAG, "DirectPairingFinalizeHandler : success PUT"
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338 " request to /oic/sec/dpairing");
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340 CAEndpoint_t endpoint;
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341 memset(&endpoint, 0x00, sizeof(CAEndpoint_t));
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342 OICStrcpy(endpoint.addr, MAX_ADDR_STR_SIZE_CA, peer->endpoint.addr);
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343 endpoint.addr[MAX_ADDR_STR_SIZE_CA - 1] = '\0';
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344 endpoint.port = peer->securePort;
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346 OicUuid_t ptDeviceID = {.id={0}};
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347 if (OC_STACK_OK != GetDoxmDeviceID(&ptDeviceID))
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349 OIC_LOG(ERROR, TAG, "Error while retrieving provisioning tool's device ID");
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350 resultCallback(peer, OC_STACK_ERROR);
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351 return OC_STACK_DELETE_TRANSACTION;
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354 #ifdef __WITH_DTLS__
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355 res = SavePairingPSK((OCDevAddr*)&endpoint, &peer->deviceID, &ptDeviceID, false);
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356 if(OC_STACK_OK != res)
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358 OIC_LOG(ERROR, TAG, "Failed to PairingPSK generation");
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359 resultCallback(peer, res);
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360 return OC_STACK_DELETE_TRANSACTION;
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363 // close temporary sesion
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364 CAResult_t caResult = CACloseDtlsSession((const CAEndpoint_t*)&endpoint);
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365 if(CA_STATUS_OK != caResult)
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367 OIC_LOG(INFO, TAG, "Fail to close temporary dtls session");
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370 caResult = CASelectCipherSuite(TLS_NULL_WITH_NULL_NULL);
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371 if(CA_STATUS_OK != caResult)
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373 OIC_LOG(ERROR, TAG, "Failed to select TLS_NULL_WITH_NULL_NULL");
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375 #endif // __WITH_DTLS__
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377 OIC_LOG(INFO, TAG, "Direct-Papring was successfully completed.");
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379 // update paired list
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380 OCDirectPairingDev_t *dev = getDev(&g_dp_discover, peer->endpoint.addr,
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381 peer->endpoint.port);
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382 res = addDev2(&g_dp_paired, dev);
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383 if (OC_STACK_OK != res)
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385 OIC_LOG(ERROR, TAG, "Error while adding a device to paired list.");
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388 resultCallback(peer, OC_STACK_OK);
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390 return OC_STACK_DELETE_TRANSACTION;
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394 OIC_LOG(INFO, TAG, "Direct-Papring received error response.");
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399 OIC_LOG(ERROR, TAG, "DirectPairingFinalizeHandler received Null clientResponse");
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402 resultCallback(peer, OC_STACK_ERROR);
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403 OICFree(dpairData);
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404 return OC_STACK_DELETE_TRANSACTION;
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408 * Finalize direct-pairing .
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410 * @param[in] peer target device to establish direct-pairing.
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411 * @param[in] resultCallback result event callback.
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413 * @return OC_STACK_OK on success otherwise error.
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415 OCStackResult FinalizeDirectPairing(OCDirectPairingDev_t* peer,
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416 OCDirectPairingResultCB resultCallback)
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420 return OC_STACK_INVALID_PARAM;
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423 OicUuid_t deviceID = {.id={0}};
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424 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
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426 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
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427 return OC_STACK_ERROR;
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430 OicSecDpairing_t dpair;
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431 memset(&dpair, 0, sizeof(OicSecDpairing_t));
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432 dpair.spm = (OicSecPrm_t)PRM_NOT_ALLOWED;
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433 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
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435 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
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438 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
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439 return OC_STACK_NO_MEMORY;
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441 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
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443 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData1),
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444 &(secPayload->payloadSize));
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446 if(OC_STACK_OK != ret)
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448 OICFree(secPayload);
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449 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
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450 return OC_STACK_NO_MEMORY;
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452 OIC_LOG_V(INFO, TAG, "DPARING : %s", secPayload->securityData1);
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454 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
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455 if(!DPGenerateQuery(true,
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456 peer->endpoint.addr,
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459 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
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461 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
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462 return OC_STACK_ERROR;
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464 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
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466 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
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467 if (dpairData == NULL)
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469 OICFree(secPayload->securityData);
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470 OICFree(secPayload);
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471 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
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472 return OC_STACK_NO_MEMORY;
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474 dpairData->peer = peer;
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475 dpairData->resultCallback = resultCallback;
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477 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
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478 cbData.cb = DirectPairingFinalizeHandler;
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479 cbData.context = (void*)dpairData;
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482 OCMethod method = OC_REST_PUT;
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483 OCDoHandle handle = NULL;
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484 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
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485 ret = OCDoResource(&handle, method, query,
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486 &peer->endpoint, (OCPayload*)secPayload,
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487 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
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488 if(OC_STACK_OK != ret)
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490 OIC_LOG(ERROR, TAG, "error in OCDoResource");
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491 return OC_STACK_ERROR;
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494 return OC_STACK_OK;
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498 * Function to handle the handshake result in Direct-Pairing.
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499 * This function will be invoked after DTLS handshake
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500 * @param endPoint [IN] The remote endpoint.
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501 * @param errorInfo [IN] Error information from the endpoint.
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504 void DirectPairingDTLSHandshakeCB(const CAEndpoint_t *endpoint, const CAErrorInfo_t *info)
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506 OIC_LOG_V(INFO, TAG, "IN DirectPairingDTLSHandshakeCB");
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509 if(g_dp_proceed_ctx && g_dp_proceed_ctx->peer && endpoint && info)
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511 OIC_LOG_V(INFO, TAG, "Received status from remote device(%s:%d) : %d",
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512 endpoint->addr, endpoint->port, info->result);
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514 OCDirectPairingDev_t *peer = g_dp_proceed_ctx->peer;
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515 OCDirectPairingResultCB resultCallback = g_dp_proceed_ctx->resultCallback;
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518 //Make sure the address matches.
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519 if(strncmp(peer->endpoint.addr, endpoint->addr, sizeof(endpoint->addr)) == 0 &&
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520 peer->securePort == endpoint->port)
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522 //In case of success, send next coaps request.
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523 if(CA_STATUS_OK == info->result)
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525 OIC_LOG(INFO, TAG, "Now, finalize Direct-Pairing procedure.");
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527 res = FinalizeDirectPairing(peer, resultCallback);
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528 if(OC_STACK_OK != res)
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530 OIC_LOG(ERROR, TAG, "Failed to finalize direct-pairing");
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531 resultCallback(peer, res);
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534 else if(CA_DTLS_AUTHENTICATION_FAILURE == info->result)
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536 OIC_LOG(INFO, TAG, "DirectPairingDTLSHandshakeCB - Authentication failed");
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537 resultCallback(peer, OC_STACK_AUTHENTICATION_FAILURE);
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540 #ifdef __WITH_DTLS__
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541 CARegisterDTLSHandshakeCallback(NULL);
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542 #endif // __WITH_DTLS__
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543 res = RemoveCredential(&peer->deviceID);
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544 if(OC_STACK_RESOURCE_DELETED != res)
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546 OIC_LOG_V(ERROR, TAG, "Failed to remove temporal PSK : %d", res);
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549 OICFree(g_dp_proceed_ctx);
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550 g_dp_proceed_ctx = NULL;
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554 OIC_LOG_V(INFO, TAG, "DirectPairingDTLSHandshakeCB - Not matched to peer address");
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558 OIC_LOG_V(INFO, TAG, "OUT DirectPairingDTLSHandshakeCB");
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562 * Callback handler of DPDirectPairing.
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564 * @param[in] ctx ctx value passed to callback from calling function.
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565 * @param[in] UNUSED handle to an invocation
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566 * @param[in] clientResponse Response from queries to remote servers.
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567 * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
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568 * and OC_STACK_KEEP_TRANSACTION to keep it.
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570 static OCStackApplicationResult DirectPairingHandler(void *ctx, OCDoHandle UNUSED,
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571 OCClientResponse *clientResponse)
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573 OIC_LOG_V(INFO, TAG, "IN DirectPairingHandler.");
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577 OIC_LOG(ERROR, TAG, "Context is Null");
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578 return OC_STACK_DELETE_TRANSACTION;
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581 OCStackResult res = OC_STACK_ERROR;
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582 DPairData_t *dpairData = (DPairData_t*)ctx;
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583 OCDirectPairingResultCB resultCallback = (OCDirectPairingResultCB)dpairData->resultCallback;
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584 OicUuid_t subjectId = {.id={0}};
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586 if (clientResponse)
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588 if(OC_STACK_RESOURCE_CREATED == clientResponse->result)
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591 OIC_LOG(INFO, TAG, "DirectPairingHandler : success POST request to /oic/sec/dpairing");
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593 #ifdef __WITH_DTLS__
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594 // Add temporary psk
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595 res = AddTmpPskWithPIN(&dpairData->peer->deviceID,
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596 SYMMETRIC_PAIR_WISE_KEY,
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597 (char*)dpairData->pin, DP_PIN_LENGTH,
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598 1, &dpairData->peer->rowner, &subjectId);
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599 VERIFY_SUCCESS(TAG, OC_STACK_OK == res, ERROR);
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602 // Start to establish a secure channel with Pin-based PSK cipher suite
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603 CAResult_t caresult;
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605 caresult = CAEnableAnonECDHCipherSuite(false);
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606 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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608 caresult = CASelectCipherSuite(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA_256);
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609 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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611 //Register proceeding peer info. & DTLS event handler to catch the dtls event while handshake
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612 g_dp_proceed_ctx = dpairData;
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613 res = CARegisterDTLSHandshakeCallback(DirectPairingDTLSHandshakeCB);
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614 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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617 CAEndpoint_t *endpoint = (CAEndpoint_t *)OICCalloc(1, sizeof (CAEndpoint_t));
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618 VERIFY_NON_NULL(TAG, endpoint, FATAL);
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619 memcpy(endpoint,&dpairData->peer->endpoint,sizeof(CAEndpoint_t));
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620 endpoint->port = dpairData->peer->securePort;
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621 OIC_LOG_V(INFO, TAG, "Initiate DTLS handshake to %s(%d)", endpoint->addr,
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624 caresult = CAInitiateHandshake(endpoint);
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626 VERIFY_SUCCESS(TAG, CA_STATUS_OK == caresult, ERROR);
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627 #endif // __WITH_DTLS__
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634 OIC_LOG(INFO, TAG, "DirectPairingHandler : fail POST request to /oic/sec/dpairing");
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639 OIC_LOG(ERROR, TAG, "DirectPairingHandler received Null clientResponse");
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642 #ifdef __WITH_DTLS__
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644 #endif // __WITH_DTLS__
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646 if (OC_STACK_OK != res)
\r
648 if (0 < strlen((const char*)subjectId.id))
\r
650 RemoveCredential(&dpairData->peer->deviceID);
\r
651 OICFree(dpairData);
\r
652 g_dp_proceed_ctx = NULL;
\r
655 resultCallback(dpairData->peer, res);
\r
657 OIC_LOG_V(INFO, TAG, "OUT DirectPairingHandler.");
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658 return OC_STACK_DELETE_TRANSACTION;
\r
662 * Start direct-pairing .
\r
664 * @param[in] peer target device to establish direct-pairing.
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665 * @param[in] pmSel selected pairing method.
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666 * @param[in] pinNumber secret value for dtls connection.
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668 * @return OC_STACK_OK on success otherwise error.
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670 OCStackResult DPDirectPairing(OCDirectPairingDev_t* peer, OicSecPrm_t pmSel, char *pinNumber,
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671 OCDirectPairingResultCB resultCallback)
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673 if(NULL == peer || NULL == pinNumber)
\r
675 return OC_STACK_INVALID_PARAM;
\r
678 OicUuid_t deviceID = {.id={0}};
\r
679 if (OC_STACK_OK != GetDoxmDeviceID(&deviceID))
\r
681 OIC_LOG(ERROR, TAG, "Error while retrieving device ID");
\r
682 return OC_STACK_ERROR;
\r
685 OicSecDpairing_t dpair;
\r
686 memset(&dpair, 0, sizeof(OicSecDpairing_t));
\r
688 memcpy(&dpair.pdeviceID, &deviceID, sizeof(OicUuid_t));
\r
690 OCSecurityPayload* secPayload = (OCSecurityPayload*)OICCalloc(1, sizeof(OCSecurityPayload));
\r
693 OIC_LOG(ERROR, TAG, "Failed to memory allocation");
\r
694 return OC_STACK_NO_MEMORY;
\r
696 secPayload->base.type = PAYLOAD_TYPE_SECURITY;
\r
698 OCStackResult ret = DpairingToCBORPayload(&dpair, &(secPayload->securityData1),
\r
699 &(secPayload->payloadSize));
\r
701 if(OC_STACK_OK != ret)
\r
703 OICFree(secPayload);
\r
704 OIC_LOG(ERROR, TAG, "Failed to DpairingToCBORPayload");
\r
705 return OC_STACK_NO_MEMORY;
\r
707 OIC_LOG_V(INFO, TAG, "DPARING : %s", secPayload->securityData1);
\r
709 char query[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
\r
710 if(!DPGenerateQuery(false,
\r
711 peer->endpoint.addr,
\r
712 peer->endpoint.port,
\r
713 //peer->securePort,
\r
715 query, sizeof(query), OIC_RSRC_DPAIRING_URI))
\r
717 OIC_LOG(ERROR, TAG, "DPDirectPairing : Failed to generate query");
\r
718 return OC_STACK_ERROR;
\r
720 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
\r
722 DPairData_t *dpairData = (DPairData_t *) OICCalloc(1, sizeof(DPairData_t));
\r
723 if (dpairData == NULL)
\r
725 OICFree(secPayload->securityData);
\r
726 OICFree(secPayload);
\r
727 OIC_LOG(ERROR, TAG, "Unable to allocate memory");
\r
728 return OC_STACK_NO_MEMORY;
\r
730 dpairData->peer = peer;
\r
731 memcpy(dpairData->pin, pinNumber, DP_PIN_LENGTH);
\r
732 dpairData->resultCallback = resultCallback;
\r
734 OCCallbackData cbData = {.context=NULL, .cb=NULL, .cd=NULL};
\r
735 cbData.cb = DirectPairingHandler;
\r
736 cbData.context = (void*)dpairData;
\r
739 OCMethod method = OC_REST_POST;
\r
740 OCDoHandle handle = NULL;
\r
741 OIC_LOG(DEBUG, TAG, "Sending DPAIRNG setting to resource server");
\r
742 ret = OCDoResource(&handle, method, query,
\r
743 &peer->endpoint, (OCPayload*)secPayload,
\r
744 peer->connType, OC_LOW_QOS, &cbData, NULL, 0);
\r
745 if(OC_STACK_OK != ret)
\r
747 OIC_LOG(ERROR, TAG, "error in OCDoResource");
\r
748 return OC_STACK_ERROR;
\r
751 return OC_STACK_OK;
\r
756 * Callback handler for getting secure port information using /oic/res discovery.
\r
758 * @param[in] ctx user context
\r
759 * @param[in] handle Handle for response
\r
760 * @param[in] clientResponse Response information(It will contain payload)
\r
762 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
\r
763 * OC_STACK_DELETE_TRANSACTION to delete it.
\r
765 static OCStackApplicationResult DirectPairingPortDiscoveryHandler(void *ctx, OCDoHandle UNUSED,
\r
766 OCClientResponse *clientResponse)
\r
768 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing Secure Port DISCOVER "
\r
769 "query recvd successfully");
\r
773 if (clientResponse)
\r
775 if (NULL == clientResponse->payload)
\r
777 OIC_LOG(INFO, TAG, "Skiping Null payload");
\r
781 if (PAYLOAD_TYPE_DISCOVERY != clientResponse->payload->type)
\r
783 OIC_LOG(INFO, TAG, "Wrong payload type");
\r
784 return OC_STACK_DELETE_TRANSACTION;
\r
787 uint16_t securePort = 0;
\r
788 OCResourcePayload* resPayload = ((OCDiscoveryPayload*)clientResponse->payload)->resources;
\r
789 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
\r
791 if (resPayload && resPayload->secure)
\r
793 securePort = resPayload->port;
\r
797 OIC_LOG(INFO, TAG, "Can not find secure port information.");
\r
798 return OC_STACK_DELETE_TRANSACTION;
\r
801 OCDirectPairingDev_t *ptr = getDev(&g_dp_discover,
\r
802 clientResponse->devAddr.addr, clientResponse->devAddr.port);
\r
805 OIC_LOG(ERROR, TAG, "Can not find device information in the discovery device list");
\r
806 return OC_STACK_DELETE_TRANSACTION;
\r
808 ptr->securePort = securePort;
\r
810 OIC_LOG(INFO, TAG, "Exiting DirectPairingPortDiscoveryHandler.");
\r
813 return OC_STACK_DELETE_TRANSACTION;
\r
817 OIC_LOG(INFO, TAG, "Skiping Null response");
\r
819 return OC_STACK_DELETE_TRANSACTION;
\r
823 * Callback handler for DPDeviceDiscovery API.
\r
825 * @param[in] ctx User context
\r
826 * @param[in] handle Handler for response
\r
827 * @param[in] clientResponse Response information (It will contain payload)
\r
828 * @return OC_STACK_KEEP_TRANSACTION to keep transaction and
\r
829 * OC_STACK_DELETE_TRANSACTION to delete it.
\r
831 static OCStackApplicationResult DirectPairingDiscoveryHandler(void* ctx, OCDoHandle UNUSED,
\r
832 OCClientResponse * clientResponse)
\r
834 OIC_LOG(INFO, TAG, "Callback Context for Direct-Pairing DISCOVER query recvd successfully");
\r
838 if (clientResponse)
\r
840 OIC_LOG_V(INFO, TAG, "StackResult: %d", clientResponse->result);
\r
841 OIC_LOG_V(INFO, TAG,
\r
842 "Device =============> Discovered @ %s:%d",
\r
843 clientResponse->devAddr.addr,
\r
844 clientResponse->devAddr.port);
\r
846 if (NULL == clientResponse->payload)
\r
848 OIC_LOG(INFO, TAG, "Skiping Null payload");
\r
849 return OC_STACK_KEEP_TRANSACTION;
\r
851 if (OC_STACK_OK != clientResponse->result)
\r
853 OIC_LOG(INFO, TAG, "Error in response");
\r
854 return OC_STACK_KEEP_TRANSACTION;
\r
857 OIC_LOG_PAYLOAD(INFO, clientResponse->payload);
\r
858 OicSecPconf_t *pconf = NULL;
\r
860 OCStackResult res = CBORPayloadToPconf(
\r
861 ((OCSecurityPayload*)clientResponse->payload)->securityData1,
\r
863 if (OC_STACK_OK != res )
\r
865 OIC_LOG(INFO, TAG, "Ignoring malformed CBOR");
\r
866 return OC_STACK_KEEP_TRANSACTION;
\r
870 OCDevAddr endpoint;
\r
871 memcpy(&endpoint, &clientResponse->devAddr, sizeof(OCDevAddr));
\r
873 OCStackResult res = addDev(&g_dp_discover, &endpoint,
\r
874 clientResponse->connType, pconf);
\r
875 DeletePconfBinData(pconf);
\r
876 if (OC_STACK_OK != res)
\r
878 OIC_LOG(ERROR, TAG, "Error while adding data to linkedlist.");
\r
879 return OC_STACK_KEEP_TRANSACTION;
\r
883 char rsrc_uri[MAX_URI_LENGTH+1] = {0};
\r
884 int wr_len = snprintf(rsrc_uri, sizeof(rsrc_uri), "%s?%s=%s",
\r
885 OC_RSRVD_WELL_KNOWN_URI, OC_RSRVD_RESOURCE_TYPE, OIC_RSRC_TYPE_SEC_DPAIRING);
\r
886 if(wr_len <= 0 || (size_t)wr_len >= sizeof(rsrc_uri))
\r
888 OIC_LOG(ERROR, TAG, "rsrc_uri_string_print failed");
\r
889 return OC_STACK_KEEP_TRANSACTION;
\r
892 //Try to the unicast discovery to getting secure port
\r
893 char query[MAX_URI_LENGTH+MAX_QUERY_LENGTH+1] = {0};
\r
894 if(!DPGenerateQuery(false,
\r
895 clientResponse->devAddr.addr, clientResponse->devAddr.port,
\r
896 clientResponse->connType,
\r
897 query, sizeof(query), rsrc_uri))
\r
899 OIC_LOG(ERROR, TAG, "DirectPairingDiscoveryHandler : Failed to generate query");
\r
900 return OC_STACK_KEEP_TRANSACTION;
\r
902 OIC_LOG_V(DEBUG, TAG, "Query=%s", query);
\r
904 OCCallbackData cbData;
\r
905 cbData.cb = &DirectPairingPortDiscoveryHandler;
\r
906 cbData.context = NULL;
\r
908 OCStackResult ret = OCDoResource(NULL, OC_REST_DISCOVER, query, 0, 0,
\r
909 clientResponse->connType, OC_LOW_QOS, &cbData, NULL, 0);
\r
910 if(OC_STACK_OK != ret)
\r
912 OIC_LOG(ERROR, TAG, "Failed to Secure Port Discovery");
\r
913 return OC_STACK_KEEP_TRANSACTION;
\r
917 OIC_LOG_V(INFO, TAG, "OCDoResource with [%s] Success", query);
\r
920 return OC_STACK_KEEP_TRANSACTION;
\r
925 OIC_LOG(INFO, TAG, "Skiping Null response");
\r
928 return OC_STACK_DELETE_TRANSACTION;
\r
930 #ifndef WITH_ARDUINO
\r
932 * Discover direct-pairing devices in the same IP subnet. .
\r
934 * @param[in] waittime Timeout in seconds.
\r
936 * @return OC_STACK_OK on success otherwise error.
\r
938 OCStackResult DPDeviceDiscovery(unsigned short waittime)
\r
940 OIC_LOG(DEBUG, TAG, "IN DPDeviceDiscovery");
\r
944 delList(g_dp_discover);
\r
945 g_dp_discover = NULL;
\r
949 struct timespec startTime = {.tv_sec=0, .tv_nsec=0};
\r
950 struct timespec currTime = {.tv_sec=0, .tv_nsec=0};
\r
951 struct timespec timeout;
\r
953 const char DP_DISCOVERY_QUERY[] = "/oic/sec/pconf";
\r
955 OCCallbackData cbData;
\r
956 cbData.cb = DirectPairingDiscoveryHandler;
\r
957 cbData.context = NULL;
\r
960 /* Start a DP discovery query*/
\r
961 OIC_LOG_V(INFO, TAG, "Initiating Direct-Pairing Discovery : %s\n", DP_DISCOVERY_QUERY);
\r
962 OCDoHandle handle = NULL;
\r
963 ret = OCDoResource(&handle, OC_REST_DISCOVER, DP_DISCOVERY_QUERY, 0, 0, CT_DEFAULT,
\r
964 OC_LOW_QOS, &cbData, NULL, 0);
\r
965 if (ret != OC_STACK_OK)
\r
967 OIC_LOG(ERROR, TAG, "OCStack resource error");
\r
972 timeout.tv_sec = 0;
\r
973 timeout.tv_nsec = 100000000L;
\r
975 int clock_res = -1;
\r
976 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
\r
977 clock_res = clock_gettime(CLOCK_MONOTONIC, &startTime);
\r
979 if (0 != clock_res)
\r
981 OIC_LOG(ERROR, TAG, "clock error");
\r
982 if(OC_STACK_OK != OCCancel(handle, OC_LOW_QOS, NULL, 0))
\r
984 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
\r
986 return OC_STACK_ERROR;
\r
991 #if defined(__ANDROID__) || _POSIX_TIMERS > 0
\r
992 clock_res = clock_gettime(CLOCK_MONOTONIC, &currTime);
\r
994 if (0 != clock_res)
\r
996 OIC_LOG(ERROR, TAG, "clock error");
\r
997 ret = OC_STACK_ERROR;
\r
1000 long elapsed = (currTime.tv_sec - startTime.tv_sec);
\r
1001 if (elapsed > waittime)
\r
1007 nanosleep(&timeout, NULL);
\r
1011 //Waiting for each response.
\r
1012 ret = OCCancel(handle, OC_LOW_QOS, NULL, 0);
\r
1013 if (OC_STACK_OK != ret)
\r
1015 OIC_LOG(ERROR, TAG, "Failed to remove registered callback");
\r
1017 OIC_LOG(DEBUG, TAG, "OUT DPDeviceDiscovery");
\r