resource/csdk/stack/src/ocresource.c

   1 //******************************************************************
   2 //
   3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
   4 //
   5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
   6 //
   7 // Licensed under the Apache License, Version 2.0 (the "License");
   8 // you may not use this file except in compliance with the License.
   9 // You may obtain a copy of the License at
  10 //
  11 //      http://www.apache.org/licenses/LICENSE-2.0
  12 //
  13 // Unless required by applicable law or agreed to in writing, software
  14 // distributed under the License is distributed on an "AS IS" BASIS,
  15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 // See the License for the specific language governing permissions and
  17 // limitations under the License.
  18 //
  19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  20
  21 // Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
  22 // causes header files to expose definitions
  23 // corresponding to the POSIX.1-2001 base
  24 // specification (excluding the XSI extension).
  25 // For POSIX.1-2001 base specification,
  26 // Refer http://pubs.opengroup.org/onlinepubs/009695399/
  27 #define _POSIX_C_SOURCE 200112L
  28
  29 #ifdef WITH_ARDUINO
  30 #include <string.h>
  31 #else
  32 #include <strings.h>
  33 #endif
  34
  35 #include "ocresource.h"
  36 #include "ocresourcehandler.h"
  37 #include "ocobserve.h"
  38 #include "occollection.h"
  39 #include "oic_malloc.h"
  40 #include "oic_string.h"
  41 #include "logger.h"
  42 #include "cJSON.h"
  43 #include "ocpayload.h"
  44 #include "secureresourcemanager.h"
  45 #include "cacommon.h"
  46 #include "cainterface.h"
  47 #include "rdpayload.h"
  48 #include "ocpayload.h"
  49
  50 #ifdef WITH_RD
  51 #include "rd_server.h"
  52 #endif
  53
  54 #ifdef ROUTING_GATEWAY
  55 #include "routingmanager.h"
  56 #endif
  57
  58 /// Module Name
  59 #define TAG "OIC_RI_RESOURCE"
  60
  61 #define VERIFY_SUCCESS(op, successCode) { if (op != successCode) \
  62             {OIC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
  63
  64 #define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OIC_LOG((logLevel), \
  65              TAG, #arg " is NULL"); return (retVal); } }
  66
  67 extern OCResource *headResource;
  68 static OCPlatformInfo savedPlatformInfo = {0};
  69 static OCDeviceInfo savedDeviceInfo = {0};
  70
  71 /**
  72  * Prepares a Payload for response.
  73  */
  74 static OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
  75                                                   OCDiscoveryPayload* payload,
  76                                                   OCDevAddr *endpoint,
  77                                                   bool rdResponse);
  78
  79 //-----------------------------------------------------------------------------
  80 // Default resource entity handler function
  81 //-----------------------------------------------------------------------------
  82 OCEntityHandlerResult defaultResourceEHandler(OCEntityHandlerFlag flag,
  83         OCEntityHandlerRequest * request, void* callbackParam)
  84 {
  85     //TODO ("Implement me!!!!");
  86     // TODO:  remove silence unused param warnings
  87     (void) flag;
  88     (void) request;
  89     (void) callbackParam;
  90     return  OC_EH_OK; // Making sure that the Default EH and the Vendor EH have matching signatures
  91 }
  92
  93 /* This method will retrieve the port at which the secure resource is hosted */
  94 static OCStackResult GetSecurePortInfo(OCDevAddr *endpoint, uint16_t *port)
  95 {
  96     uint16_t p = 0;
  97
  98     if (endpoint->adapter == OC_ADAPTER_IP)
  99     {
 100         if (endpoint->flags & OC_IP_USE_V6)
 101         {
 102             p = caglobals.ip.u6s.port;
 103         }
 104         else if (endpoint->flags & OC_IP_USE_V4)
 105         {
 106             p = caglobals.ip.u4s.port;
 107         }
 108     }
 109
 110     *port = p;
 111     return OC_STACK_OK;
 112 }
 113
 114 #ifdef TCP_ADAPTER
 115 /* This method will retrieve the tcp port */
 116 static OCStackResult GetTCPPortInfo(OCDevAddr *endpoint, uint16_t *port)
 117 {
 118     uint16_t p = 0;
 119
 120     if (endpoint->adapter == OC_ADAPTER_IP)
 121     {
 122         if (endpoint->flags & OC_IP_USE_V4)
 123         {
 124             p = caglobals.tcp.ipv4.port;
 125         }
 126         else if (endpoint->flags & OC_IP_USE_V6)
 127         {
 128             p = caglobals.tcp.ipv6.port;
 129         }
 130     }
 131
 132     *port = p;
 133     return OC_STACK_OK;
 134 }
 135 #endif
 136
 137 /*
 138  * Function will extract 0, 1 or 2 filters from query.
 139  * More than 2 filters or unsupported filters will result in error.
 140  * If both filters are of the same supported type, the 2nd one will be picked.
 141  * Resource and device filters in the SAME query are NOT validated
 142  * and resources will likely not clear filters.
 143  */
 144 static OCStackResult ExtractFiltersFromQuery(char *query, char **filterOne, char **filterTwo)
 145 {
 146
 147     char *key = NULL;
 148     char *value = NULL;
 149     char *restOfQuery = NULL;
 150     int numKeyValuePairsParsed = 0;
 151
 152     *filterOne = NULL;
 153     *filterTwo = NULL;
 154
 155     OIC_LOG_V(INFO, TAG, "Extracting params from %s", query);
 156
 157     if (strnlen(query, MAX_QUERY_LENGTH) >= MAX_QUERY_LENGTH)
 158     {
 159         OIC_LOG(ERROR, TAG, "Query exceeds maximum length.");
 160         return OC_STACK_INVALID_QUERY;
 161     }
 162
 163     char *keyValuePair = strtok_r (query, OC_QUERY_SEPARATOR, &restOfQuery);
 164
 165     while(keyValuePair)
 166     {
 167         if (numKeyValuePairsParsed >= 2)
 168         {
 169             OIC_LOG(ERROR, TAG, "More than 2 queries params in URI.");
 170             return OC_STACK_INVALID_QUERY;
 171         }
 172
 173         key = strtok_r(keyValuePair, OC_KEY_VALUE_DELIMITER, &value);
 174
 175         if (!key || !value)
 176         {
 177             return OC_STACK_INVALID_QUERY;
 178         }
 179         else if (strncasecmp(key, OC_RSRVD_INTERFACE, sizeof(OC_RSRVD_INTERFACE) - 1) == 0)
 180         {
 181             *filterOne = value;     // if
 182         }
 183         else if (strncasecmp(key, OC_RSRVD_RESOURCE_TYPE, sizeof(OC_RSRVD_INTERFACE) - 1) == 0)
 184         {
 185             *filterTwo = value;     // rt
 186         }
 187         else
 188         {
 189             OIC_LOG_V(ERROR, TAG, "Unsupported query key: %s", key);
 190             return OC_STACK_INVALID_QUERY;
 191         }
 192         ++numKeyValuePairsParsed;
 193
 194         keyValuePair = strtok_r(NULL, OC_QUERY_SEPARATOR, &restOfQuery);
 195     }
 196
 197     OIC_LOG_V(INFO, TAG, "Extracted params if: %s and rt: %s.", *filterOne, *filterTwo);
 198     return OC_STACK_OK;
 199 }
 200
 201 static OCVirtualResources GetTypeOfVirtualURI(const char *uriInRequest)
 202 {
 203     if (strcmp(uriInRequest, OC_RSRVD_WELL_KNOWN_URI) == 0)
 204     {
 205         return OC_WELL_KNOWN_URI;
 206     }
 207     else if (strcmp(uriInRequest, OC_RSRVD_DEVICE_URI) == 0)
 208     {
 209         return OC_DEVICE_URI;
 210     }
 211     else if (strcmp(uriInRequest, OC_RSRVD_PLATFORM_URI) == 0)
 212     {
 213         return OC_PLATFORM_URI;
 214     }
 215     else if (strcmp(uriInRequest, OC_RSRVD_RESOURCE_TYPES_URI) == 0)
 216     {
 217         return OC_RESOURCE_TYPES_URI;
 218     }
 219 #ifdef ROUTING_GATEWAY
 220     else if (0 == strcmp(uriInRequest, OC_RSRVD_GATEWAY_URI))
 221     {
 222         return OC_GATEWAY_URI;
 223     }
 224 #endif
 225 #ifdef WITH_PRESENCE
 226     else if (strcmp(uriInRequest, OC_RSRVD_PRESENCE_URI) == 0)
 227     {
 228         return OC_PRESENCE;
 229     }
 230 #endif //WITH_PRESENCE
 231     return OC_UNKNOWN_URI;
 232 }
 233
 234 static OCStackResult getQueryParamsForFiltering (OCVirtualResources uri, char *query,
 235                                             char **filterOne, char **filterTwo)
 236 {
 237     if(!filterOne || !filterTwo)
 238     {
 239         return OC_STACK_INVALID_PARAM;
 240     }
 241
 242     *filterOne = NULL;
 243     *filterTwo = NULL;
 244
 245     #ifdef WITH_PRESENCE
 246     if (uri == OC_PRESENCE)
 247     {
 248         //Nothing needs to be done, except for pass a OC_PRESENCE query through as OC_STACK_OK.
 249         OIC_LOG(INFO, TAG, "OC_PRESENCE Request for virtual resource.");
 250         return OC_STACK_OK;
 251     }
 252     #endif
 253
 254     OCStackResult result = OC_STACK_OK;
 255
 256     if (query && *query)
 257     {
 258         result = ExtractFiltersFromQuery(query, filterOne, filterTwo);
 259     }
 260
 261     return result;
 262 }
 263
 264 OCStackResult BuildResponseRepresentation(const OCResource *resourcePtr,
 265                     OCRepPayload** payload)
 266 {
 267     OCRepPayload *tempPayload = OCRepPayloadCreate();
 268
 269     if (!resourcePtr)
 270     {
 271         OCRepPayloadDestroy(tempPayload);
 272         return OC_STACK_INVALID_PARAM;
 273     }
 274
 275     if(!tempPayload)
 276     {
 277         return OC_STACK_NO_MEMORY;
 278     }
 279
 280     OCRepPayloadSetUri(tempPayload, resourcePtr->uri);
 281
 282     OCResourceType *resType = resourcePtr->rsrcType;
 283     while(resType)
 284     {
 285         OCRepPayloadAddResourceType(tempPayload, resType->resourcetypename);
 286         resType = resType->next;
 287     }
 288
 289     OCResourceInterface *resInterface = resourcePtr->rsrcInterface;
 290     while(resInterface)
 291     {
 292         OCRepPayloadAddInterface(tempPayload, resInterface->name);
 293         resInterface = resInterface->next;
 294     }
 295
 296     OCAttribute *resAttrib = resourcePtr->rsrcAttributes;
 297     while(resAttrib)
 298     {
 299         OCRepPayloadSetPropString(tempPayload, resAttrib->attrName,
 300                                 resAttrib->attrValue);
 301         resAttrib = resAttrib->next;
 302     }
 303
 304     if(!*payload)
 305     {
 306         *payload = tempPayload;
 307     }
 308     else
 309     {
 310         OCRepPayloadAppend(*payload, tempPayload);
 311     }
 312
 313     return OC_STACK_OK;
 314 }
 315
 316 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
 317                         OCDiscoveryPayload *payload, OCDevAddr *devAddr, bool rdResponse)
 318 {
 319     if (!resourcePtr || !payload)
 320     {
 321         return OC_STACK_INVALID_PARAM;
 322     }
 323     uint16_t securePort = 0;
 324     if (resourcePtr->resourceProperties & OC_SECURE)
 325     {
 326        if (GetSecurePortInfo(devAddr, &securePort) != OC_STACK_OK)
 327        {
 328            securePort = 0;
 329        }
 330     }
 331
 332     if (rdResponse)
 333     {
 334         securePort = devAddr->port;
 335     }
 336
 337     uint16_t tcpPort = 0;
 338 #ifdef TCP_ADAPTER
 339     if (GetTCPPortInfo(devAddr, &tcpPort) != OC_STACK_OK)
 340     {
 341         tcpPort = 0;
 342     }
 343 #endif
 344
 345     OCDiscoveryPayloadAddResource(payload, resourcePtr, securePort, tcpPort);
 346     return OC_STACK_OK;
 347 }
 348
 349 uint8_t IsCollectionResource (OCResource *resource)
 350 {
 351     if(!resource)
 352     {
 353         return 0;
 354     }
 355
 356     if(resource->rsrcChildResourcesHead != NULL)
 357     {
 358         return 1;
 359     }
 360
 361     return 0;
 362 }
 363
 364 OCResource *FindResourceByUri(const char* resourceUri)
 365 {
 366     if(!resourceUri)
 367     {
 368         return NULL;
 369     }
 370
 371     OCResource * pointer = headResource;
 372     while (pointer)
 373     {
 374         if (strcmp(resourceUri, pointer->uri) == 0)
 375         {
 376             return pointer;
 377         }
 378         pointer = pointer->next;
 379     }
 380     OIC_LOG_V(INFO, TAG, "Resource %s not found", resourceUri);
 381     return NULL;
 382 }
 383
 384
 385 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
 386                                          ResourceHandling *handling,
 387                                          OCResource **resource)
 388 {
 389     if(!request || !handling || !resource)
 390     {
 391         return OC_STACK_INVALID_PARAM;
 392     }
 393
 394     OIC_LOG_V(INFO, TAG, "DetermineResourceHandling for %s", request->resourceUrl);
 395
 396     // Check if virtual resource
 397     if (GetTypeOfVirtualURI(request->resourceUrl) != OC_UNKNOWN_URI)
 398     {
 399         OIC_LOG_V (INFO, TAG, "%s is virtual", request->resourceUrl);
 400         *handling = OC_RESOURCE_VIRTUAL;
 401         *resource = headResource;
 402         return OC_STACK_OK;
 403     }
 404     if (strlen((const char*)(request->resourceUrl)) == 0)
 405     {
 406         // Resource URL not specified
 407         *handling = OC_RESOURCE_NOT_SPECIFIED;
 408         return OC_STACK_NO_RESOURCE;
 409     }
 410     else
 411     {
 412         OCResource *resourcePtr = FindResourceByUri((const char*)request->resourceUrl);
 413         *resource = resourcePtr;
 414         if (!resourcePtr)
 415         {
 416             if(defaultDeviceHandler)
 417             {
 418                 *handling = OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER;
 419                 return OC_STACK_OK;
 420             }
 421
 422             // Resource does not exist
 423             // and default device handler does not exist
 424             *handling = OC_RESOURCE_NOT_SPECIFIED;
 425             return OC_STACK_NO_RESOURCE;
 426         }
 427
 428         if (IsCollectionResource (resourcePtr))
 429         {
 430             // Collection resource
 431             if (resourcePtr->entityHandler != defaultResourceEHandler)
 432             {
 433                 *handling = OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER;
 434                 return OC_STACK_OK;
 435             }
 436             else
 437             {
 438                 *handling = OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER;
 439                 return OC_STACK_OK;
 440             }
 441         }
 442         else
 443         {
 444             // Resource not a collection
 445             if (resourcePtr->entityHandler != defaultResourceEHandler)
 446             {
 447                 *handling = OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER;
 448                 return OC_STACK_OK;
 449             }
 450             else
 451             {
 452                 *handling = OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER;
 453                 return OC_STACK_OK;
 454             }
 455         }
 456     }
 457 }
 458
 459 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult)
 460 {
 461     OCStackResult result;
 462
 463     switch (ehResult)
 464     {
 465         case OC_EH_OK:
 466             result = OC_STACK_OK;
 467             break;
 468         case OC_EH_SLOW:
 469             result = OC_STACK_SLOW_RESOURCE;
 470             break;
 471         case OC_EH_ERROR:
 472             result = OC_STACK_ERROR;
 473             break;
 474         case OC_EH_FORBIDDEN:
 475             result = OC_STACK_RESOURCE_ERROR;
 476             break;
 477         case OC_EH_RESOURCE_CREATED:
 478             result = OC_STACK_RESOURCE_CREATED;
 479             break;
 480         case OC_EH_RESOURCE_DELETED:
 481             result = OC_STACK_RESOURCE_DELETED;
 482             break;
 483         case OC_EH_CHANGED:
 484             result = OC_STACK_RESOURCE_CHANGED;
 485             break;
 486         case OC_EH_RESOURCE_NOT_FOUND:
 487             result = OC_STACK_NO_RESOURCE;
 488             break;
 489         default:
 490             result = OC_STACK_ERROR;
 491     }
 492
 493     return result;
 494 }
 495
 496 static bool resourceMatchesRTFilter(OCResource *resource, char *resourceTypeFilter)
 497 {
 498     if (!resource)
 499     {
 500         return false;
 501     }
 502
 503     // Null or empty is analogous to no filter.
 504     if (resourceTypeFilter == NULL || *resourceTypeFilter == 0)
 505     {
 506         return true;
 507     }
 508
 509     OCResourceType *resourceTypePtr = resource->rsrcType;
 510
 511     while (resourceTypePtr)
 512     {
 513         if (strcmp (resourceTypePtr->resourcetypename, resourceTypeFilter) == 0)
 514         {
 515             return true;
 516         }
 517         resourceTypePtr = resourceTypePtr->next;
 518     }
 519
 520     OIC_LOG_V(INFO, TAG, "%s does not contain rt=%s.", resource->uri, resourceTypeFilter);
 521     return false;
 522 }
 523
 524 static bool resourceMatchesIFFilter(OCResource *resource, char *interfaceFilter)
 525 {
 526     if (!resource)
 527     {
 528         return false;
 529     }
 530
 531     // Null or empty is analogous to no filter.
 532     if (interfaceFilter == NULL || *interfaceFilter == 0)
 533     {
 534         return true;
 535     }
 536
 537     OCResourceInterface *interfacePtr = resource->rsrcInterface;
 538
 539     while (interfacePtr)
 540     {
 541         if ((strcmp (interfacePtr->name, interfaceFilter) == 0) &&
 542             (strcmp (OC_RSRVD_INTERFACE_LL, interfaceFilter) == 0 ||
 543              strcmp (OC_RSRVD_INTERFACE_DEFAULT, interfaceFilter) == 0))
 544         {
 545             return true;
 546         }
 547         interfacePtr = interfacePtr->next;
 548     }
 549
 550     OIC_LOG_V(INFO, TAG, "%s does not contain if=%s.", resource->uri, interfaceFilter);
 551     return false;
 552 }
 553
 554 /*
 555  * If the filters are null, they will be assumed to NOT be present
 556  * and the resource will not be matched against them.
 557  * Function will return true if all non null AND non empty filters passed in find a match.
 558  */
 559 static bool includeThisResourceInResponse(OCResource *resource,
 560                                           char *interfaceFilter,
 561                                           char *resourceTypeFilter)
 562 {
 563     if (!resource)
 564     {
 565         OIC_LOG(ERROR, TAG, "Invalid resource");
 566         return false;
 567     }
 568
 569     if (resource->resourceProperties & OC_EXPLICIT_DISCOVERABLE)
 570     {
 571         /*
 572          * At least one valid filter should be available to
 573          * include the resource in discovery response
 574          */
 575         if (!(resourceTypeFilter && *resourceTypeFilter))
 576         {
 577             OIC_LOG_V(INFO, TAG, "%s no query string for EXPLICIT_DISCOVERABLE \
 578                 resource", resource->uri);
 579             return false;
 580         }
 581     }
 582     else if ( !(resource->resourceProperties & OC_ACTIVE) ||
 583          !(resource->resourceProperties & OC_DISCOVERABLE))
 584     {
 585         OIC_LOG_V(INFO, TAG, "%s not ACTIVE or DISCOVERABLE", resource->uri);
 586         return false;
 587     }
 588
 589     return resourceMatchesIFFilter(resource, interfaceFilter) &&
 590            resourceMatchesRTFilter(resource, resourceTypeFilter);
 591
 592 }
 593
 594 OCStackResult SendNonPersistantDiscoveryResponse(OCServerRequest *request, OCResource *resource,
 595                                 OCPayload *discoveryPayload, OCEntityHandlerResult ehResult)
 596 {
 597     OCEntityHandlerResponse response = {0};
 598
 599     response.ehResult = ehResult;
 600     response.payload = discoveryPayload;
 601     response.persistentBufferFlag = 0;
 602     response.requestHandle = (OCRequestHandle) request;
 603     response.resourceHandle = (OCResourceHandle) resource;
 604
 605     return OCDoResponse(&response);
 606 }
 607
 608 #ifdef WITH_RD
 609 static OCStackResult checkResourceExistsAtRD(const char *interfaceType, const char *resourceType,
 610      OCResource **payload, OCDevAddr *devAddr)
 611 {
 612     OCResourceCollectionPayload *repPayload;
 613     if (!payload)
 614     {
 615         return OC_STACK_ERROR;
 616     }
 617     if (OCRDCheckPublishedResource(interfaceType, resourceType, &repPayload, devAddr) == OC_STACK_OK)
 618     {
 619         if (!repPayload)
 620         {
 621             return OC_STACK_ERROR;
 622         }
 623         OCResource *ptr = ((OCResource *) OICCalloc(1, sizeof(OCResource)));
 624         if (!ptr)
 625         {
 626            return OC_STACK_NO_MEMORY;
 627         }
 628
 629         ptr->uri = OICStrdup(repPayload->setLinks->href);
 630         if (!ptr->uri)
 631         {
 632            return OC_STACK_NO_MEMORY;
 633         }
 634         OCStringLL *rt = repPayload->setLinks->rt;
 635         while (rt)
 636         {
 637             OCResourceType *temp = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
 638             if(!temp)
 639             {
 640                 OICFree(ptr->uri);
 641                 return OC_STACK_NO_MEMORY;
 642             }
 643             temp->next = NULL;
 644             temp->resourcetypename = OICStrdup(rt->value);
 645             if (!ptr->rsrcType)
 646             {
 647                 ptr->rsrcType = temp;
 648             }
 649             else
 650             {
 651                 OCResourceType *type = ptr->rsrcType;
 652                 while (type->next)
 653                 {
 654                     type = type->next;
 655                 }
 656                 type->next = temp;
 657             }
 658             rt = rt->next;
 659         }
 660
 661         OCStringLL *itf = repPayload->setLinks->itf;
 662         while (itf)
 663         {
 664             OCResourceInterface *temp = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
 665             if (!temp)
 666             {
 667                 OICFree(ptr->uri);
 668
 669                 return OC_STACK_NO_MEMORY;
 670             }
 671             temp->next = NULL;
 672             temp->name = OICStrdup(itf->value);
 673             if (!ptr->rsrcInterface)
 674             {
 675                 ptr->rsrcInterface = temp;
 676             }
 677             else
 678             {
 679                 OCResourceInterface *type = ptr->rsrcInterface;
 680                 while (type->next)
 681                 {
 682                     type = type->next;
 683                 }
 684                 type->next = temp;
 685             }
 686             itf = itf->next;
 687         }
 688
 689         ptr->resourceProperties = (OCResourceProperty) repPayload->tags->bitmap;
 690
 691         OCFreeCollectionResource(repPayload);
 692         *payload = ptr;
 693         return OC_STACK_OK;
 694     }
 695     else
 696     {
 697         OIC_LOG_V(ERROR, TAG, "The resource type or interface type doe not exist \
 698                              on the resource directory");
 699     }
 700     return OC_STACK_ERROR;
 701 }
 702 #endif
 703
 704 static OCStackResult HandleVirtualResource (OCServerRequest *request, OCResource* resource)
 705 {
 706     if (!request || !resource)
 707     {
 708         return OC_STACK_INVALID_PARAM;
 709     }
 710
 711     OCStackResult discoveryResult = OC_STACK_ERROR;
 712     OCPayload* payload = NULL;
 713
 714     OIC_LOG(INFO, TAG, "Entering HandleVirtualResource");
 715
 716     OCVirtualResources virtualUriInRequest = GetTypeOfVirtualURI (request->resourceUrl);
 717
 718     // Step 1: Generate the response to discovery request
 719     if (virtualUriInRequest == OC_WELL_KNOWN_URI)
 720     {
 721         if (request->method == OC_REST_PUT || request->method == OC_REST_POST || request->method == OC_REST_DELETE)
 722         {
 723             OIC_LOG_V(ERROR, TAG, "Resource : %s not permitted for method: %d", request->resourceUrl, request->method);
 724             return OC_STACK_UNAUTHORIZED_REQ;
 725         }
 726
 727         char *interfaceQuery = NULL;
 728         char *resourceTypeQuery = NULL;
 729
 730         discoveryResult = getQueryParamsForFiltering (virtualUriInRequest, request->query,
 731                 &interfaceQuery, &resourceTypeQuery);
 732         bool interfaceQueryAllocated = false;
 733         if (!interfaceQuery && !resourceTypeQuery)
 734         {
 735             interfaceQueryAllocated = true;
 736             interfaceQuery = OICStrdup(OC_RSRVD_INTERFACE_LL);
 737         }
 738
 739         if (discoveryResult == OC_STACK_OK)
 740         {
 741             payload = (OCPayload *)OCDiscoveryPayloadCreate();
 742
 743             if (payload)
 744             {
 745                 OCDiscoveryPayload *discPayload = (OCDiscoveryPayload *)payload;
 746                 discPayload->sid = (char *)OICCalloc(1, UUID_STRING_SIZE);
 747                 VERIFY_NON_NULL(discPayload->sid, ERROR, OC_STACK_NO_MEMORY);
 748                 const char* uid = OCGetServerInstanceIDString();
 749                 if(uid)
 750                 {
 751                     memcpy(discPayload->sid, uid, UUID_STRING_SIZE);
 752                 }
 753
 754                 if (!resourceTypeQuery && interfaceQuery && (0 == strcmp(interfaceQuery, OC_RSRVD_INTERFACE_LL)))
 755                 {
 756                     for (; resource && discoveryResult == OC_STACK_OK; resource = resource->next)
 757                     {
 758                         bool result = false;
 759                         if (resource->resourceProperties & OC_DISCOVERABLE)
 760                         {
 761                             result = true;
 762                         }
 763
 764                         if (result)
 765                         {
 766                             discoveryResult = BuildVirtualResourceResponse(resource,
 767                             discPayload, &request->devAddr, false);
 768                         }
 769                     }
 770                 }
 771                 else
 772                 {
 773                     if (interfaceQuery && (0 != strcmp(interfaceQuery, OC_RSRVD_INTERFACE_LL)))
 774                     {
 775                         discPayload->uri = OICStrdup(OC_RSRVD_WELL_KNOWN_URI);
 776                         VERIFY_NON_NULL(discPayload->uri, ERROR, OC_STACK_NO_MEMORY);
 777                         if (savedDeviceInfo.deviceName)
 778                         {
 779                             discPayload->name = OICStrdup(savedDeviceInfo.deviceName);
 780                             VERIFY_NON_NULL(discPayload->name, ERROR, OC_STACK_NO_MEMORY);
 781                         }
 782                         discPayload->type = (OCStringLL*)OICCalloc(1, sizeof(OCStringLL));
 783                         VERIFY_NON_NULL(discPayload->type, ERROR, OC_STACK_NO_MEMORY);
 784                         discPayload->type->value = OICStrdup(OC_RSRVD_RESOURCE_TYPE_RES);
 785                         VERIFY_NON_NULL(discPayload->type->value, ERROR, OC_STACK_NO_MEMORY);
 786                         OCResourcePayloadAddStringLL(&discPayload->interface, OC_RSRVD_INTERFACE_LL);
 787                         OCResourcePayloadAddStringLL(&discPayload->interface, OC_RSRVD_INTERFACE_DEFAULT);
 788                         VERIFY_NON_NULL(discPayload->interface, ERROR, OC_STACK_NO_MEMORY);
 789                     }
 790                     bool foundResourceAtRD = false;
 791                     for (;resource && discoveryResult == OC_STACK_OK; resource = resource->next)
 792                     {
 793 #ifdef WITH_RD
 794                         if (strcmp(resource->uri, OC_RSRVD_RD_URI) == 0)
 795                         {
 796                             OCResource *resource1 = NULL;
 797                             OCDevAddr devAddr;
 798                             discoveryResult = checkResourceExistsAtRD(interfaceQuery,
 799                                 resourceTypeQuery, &resource1, &devAddr);
 800                             if (discoveryResult != OC_STACK_OK)
 801                             {
 802                                  break;
 803                             }
 804                             discoveryResult = BuildVirtualResourceResponse(resource1,
 805                                 discPayload, &devAddr, true);
 806                             if (payload)
 807                             {
 808                                 discPayload->baseURI = OICStrdup(devAddr.addr);
 809                             }
 810                             OICFree(resource1->uri);
 811                             for (OCResourceType *rsrcRt = resource1->rsrcType, *rsrcRtNext = NULL; rsrcRt; )
 812                             {
 813                                 rsrcRtNext = rsrcRt->next;
 814                                 OICFree(rsrcRt->resourcetypename);
 815                                 OICFree(rsrcRt);
 816                                 rsrcRt = rsrcRtNext;
 817                             }
 818
 819                             for (OCResourceInterface *rsrcPtr = resource1->rsrcInterface, *rsrcNext = NULL; rsrcPtr; )
 820                             {
 821                                 rsrcNext = rsrcPtr->next;
 822                                 OICFree(rsrcPtr->name);
 823                                 OICFree(rsrcPtr);
 824                                 rsrcPtr = rsrcNext;
 825                             }
 826                             foundResourceAtRD = true;
 827                         }
 828 #endif
 829                         if (!foundResourceAtRD && includeThisResourceInResponse(resource, interfaceQuery, resourceTypeQuery))
 830                         {
 831                             discoveryResult = BuildVirtualResourceResponse(resource,
 832                                 discPayload, &request->devAddr, false);
 833                         }
 834                     }
 835                     // Set discoveryResult appropriately if no 'valid' resources are available
 836                     if (discPayload->resources == NULL && !foundResourceAtRD)
 837                     {
 838                         discoveryResult = OC_STACK_NO_RESOURCE;
 839                     }
 840                 }
 841             }
 842             else
 843             {
 844                 discoveryResult = OC_STACK_NO_MEMORY;
 845             }
 846         }
 847         else
 848         {
 849             OIC_LOG_V(ERROR, TAG, "Error (%d) parsing query.", discoveryResult);
 850         }
 851         if (interfaceQueryAllocated)
 852         {
 853             OICFree(interfaceQuery);
 854         }
 855     }
 856     else if (virtualUriInRequest == OC_DEVICE_URI)
 857     {
 858         if (request->method == OC_REST_PUT || request->method == OC_REST_POST || request->method == OC_REST_DELETE)
 859         {
 860             OIC_LOG_V(ERROR, TAG, "Resource : %s not permitted for method: %d", request->resourceUrl, request->method);
 861             return OC_STACK_UNAUTHORIZED_REQ;
 862         }
 863
 864         const char* deviceId = OCGetServerInstanceIDString();
 865         if (!deviceId)
 866         {
 867             discoveryResult = OC_STACK_ERROR;
 868         }
 869         else
 870         {
 871             char *dataModelVersions = OCCreateString(savedDeviceInfo.dataModelVersions);
 872             if (!dataModelVersions)
 873             {
 874                 discoveryResult = OC_STACK_NO_MEMORY;
 875             }
 876             else
 877             {
 878                 payload = (OCPayload*) OCDevicePayloadCreate(deviceId, savedDeviceInfo.deviceName,
 879                     savedDeviceInfo.types, savedDeviceInfo.specVersion, dataModelVersions);
 880                 if (!payload)
 881                 {
 882                      discoveryResult = OC_STACK_NO_MEMORY;
 883                 }
 884                 else
 885                 {
 886                      discoveryResult = OC_STACK_OK;
 887                 }
 888                 OICFree(dataModelVersions);
 889             }
 890         }
 891     }
 892     else if (virtualUriInRequest == OC_PLATFORM_URI)
 893     {
 894         if (request->method == OC_REST_PUT || request->method == OC_REST_POST || request->method == OC_REST_DELETE)
 895         {
 896             OIC_LOG_V(ERROR, TAG, "Resource : %s not permitted for method: %d", request->resourceUrl, request->method);
 897             return OC_STACK_UNAUTHORIZED_REQ;
 898         }
 899
 900         payload = (OCPayload*)OCPlatformPayloadCreate(&savedPlatformInfo);
 901         if (!payload)
 902         {
 903             discoveryResult = OC_STACK_NO_MEMORY;
 904         }
 905         else
 906         {
 907             discoveryResult = OC_STACK_OK;
 908         }
 909     }
 910 #ifdef ROUTING_GATEWAY
 911     else if (OC_GATEWAY_URI == virtualUriInRequest)
 912     {
 913         // Received request for a gateway
 914         OIC_LOG(INFO, TAG, "Request is for Gateway Virtual Request");
 915         discoveryResult = RMHandleGatewayRequest(request, resource);
 916
 917     }
 918 #endif
 919
 920     /**
 921      * Step 2: Send the discovery response
 922      *
 923      * Iotivity should respond to discovery requests in below manner:
 924      * 1)If query filter matching fails and discovery request is multicast,
 925      *   it should NOT send any response.
 926      * 2)If query filter matching fails and discovery request is unicast,
 927      *   it should send an error(RESOURCE_NOT_FOUND - 404) response.
 928      * 3)If Server does not have any 'DISCOVERABLE' resources and discovery
 929      *   request is multicast, it should NOT send any response.
 930      * 4)If Server does not have any 'DISCOVERABLE' resources and discovery
 931      *   request is unicast, it should send an error(RESOURCE_NOT_FOUND - 404) response.
 932      */
 933
 934 #ifdef WITH_PRESENCE
 935     if ((virtualUriInRequest == OC_PRESENCE) &&
 936         (resource->resourceProperties & OC_ACTIVE))
 937     {
 938         // Presence uses observer notification api to respond via SendPresenceNotification.
 939         SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
 940     }
 941     else
 942     #endif
 943 #ifdef ROUTING_GATEWAY
 944     // Gateway uses the RMHandleGatewayRequest to respond to the request.
 945     if (OC_GATEWAY_URI != virtualUriInRequest)
 946 #endif
 947     {
 948         if(discoveryResult == OC_STACK_OK)
 949         {
 950             SendNonPersistantDiscoveryResponse(request, resource, payload, OC_EH_OK);
 951         }
 952         else if(((request->devAddr.flags &  OC_MULTICAST) == false) &&
 953             (request->devAddr.adapter != OC_ADAPTER_RFCOMM_BTEDR) &&
 954             (request->devAddr.adapter != OC_ADAPTER_GATT_BTLE))
 955         {
 956             OIC_LOG_V(ERROR, TAG, "Sending a (%d) error to (%d) discovery request",
 957                 discoveryResult, virtualUriInRequest);
 958             SendNonPersistantDiscoveryResponse(request, resource, NULL,
 959                 (discoveryResult == OC_STACK_NO_RESOURCE) ? OC_EH_RESOURCE_NOT_FOUND : OC_EH_ERROR);
 960         }
 961         else
 962         {
 963             // Ignoring the discovery request as per RFC 7252, Section #8.2
 964             OIC_LOG(INFO, TAG, "Silently ignoring the request since no useful data to send. ");
 965         }
 966     }
 967
 968     OCPayloadDestroy(payload);
 969
 970     return OC_STACK_OK;
 971 }
 972
 973 static OCStackResult
 974 HandleDefaultDeviceEntityHandler (OCServerRequest *request)
 975 {
 976     if(!request)
 977     {
 978         return OC_STACK_INVALID_PARAM;
 979     }
 980
 981     OCStackResult result = OC_STACK_OK;
 982     OCEntityHandlerResult ehResult = OC_EH_ERROR;
 983     OCEntityHandlerRequest ehRequest = {0};
 984
 985     OIC_LOG(INFO, TAG, "Entering HandleResourceWithDefaultDeviceEntityHandler");
 986     result = FormOCEntityHandlerRequest(&ehRequest,
 987                                         (OCRequestHandle) request,
 988                                         request->method,
 989                                         &request->devAddr,
 990                                         (OCResourceHandle) NULL, request->query,
 991                                         PAYLOAD_TYPE_REPRESENTATION,
 992                                         request->payload,
 993                                         request->payloadSize,
 994                                         request->numRcvdVendorSpecificHeaderOptions,
 995                                         request->rcvdVendorSpecificHeaderOptions,
 996                                         (OCObserveAction)request->observationOption,
 997                                         (OCObservationId)0,
 998                                         request->coapID);
 999     VERIFY_SUCCESS(result, OC_STACK_OK);
1000
1001     // At this point we know for sure that defaultDeviceHandler exists
1002     ehResult = defaultDeviceHandler(OC_REQUEST_FLAG, &ehRequest,
1003                                   (char*) request->resourceUrl, defaultDeviceHandlerCallbackParameter);
1004     if(ehResult == OC_EH_SLOW)
1005     {
1006         OIC_LOG(INFO, TAG, "This is a slow resource");
1007         request->slowFlag = 1;
1008     }
1009     else if(ehResult == OC_EH_ERROR)
1010     {
1011         FindAndDeleteServerRequest(request);
1012     }
1013     result = EntityHandlerCodeToOCStackCode(ehResult);
1014 exit:
1015     OCPayloadDestroy(ehRequest.payload);
1016     return result;
1017 }
1018
1019 static OCStackResult
1020 HandleResourceWithEntityHandler (OCServerRequest *request,
1021                                  OCResource *resource,
1022                                  uint8_t collectionResource)
1023 {
1024     if(!request || ! resource)
1025     {
1026         return OC_STACK_INVALID_PARAM;
1027     }
1028
1029     OCStackResult result = OC_STACK_ERROR;
1030     OCEntityHandlerResult ehResult = OC_EH_ERROR;
1031     OCEntityHandlerFlag ehFlag = OC_REQUEST_FLAG;
1032     ResourceObserver *resObs = NULL;
1033
1034     OCEntityHandlerRequest ehRequest = {0};
1035
1036     OIC_LOG(INFO, TAG, "Entering HandleResourceWithEntityHandler");
1037     OCPayloadType type = PAYLOAD_TYPE_REPRESENTATION;
1038     // check the security resource
1039     if (request && request->resourceUrl && SRMIsSecurityResourceURI(request->resourceUrl))
1040     {
1041         type = PAYLOAD_TYPE_SECURITY;
1042
1043     }
1044
1045     if (request && strcmp(request->resourceUrl, OC_RSRVD_RD_URI) == 0)
1046     {
1047         type = PAYLOAD_TYPE_RD;
1048     }
1049
1050     result = FormOCEntityHandlerRequest(&ehRequest,
1051                                         (OCRequestHandle)request,
1052                                         request->method,
1053                                         &request->devAddr,
1054                                         (OCResourceHandle)resource,
1055                                         request->query,
1056                                         type,
1057                                         request->payload,
1058                                         request->payloadSize,
1059                                         request->numRcvdVendorSpecificHeaderOptions,
1060                                         request->rcvdVendorSpecificHeaderOptions,
1061                                         (OCObserveAction)request->observationOption,
1062                                         0,
1063                                         request->coapID);
1064     VERIFY_SUCCESS(result, OC_STACK_OK);
1065
1066     if(ehRequest.obsInfo.action == OC_OBSERVE_NO_OPTION)
1067     {
1068         OIC_LOG(INFO, TAG, "No observation requested");
1069         ehFlag = OC_REQUEST_FLAG;
1070     }
1071     else if(ehRequest.obsInfo.action == OC_OBSERVE_REGISTER && !collectionResource)
1072     {
1073         OIC_LOG(INFO, TAG, "Observation registration requested");
1074
1075         ResourceObserver *obs = GetObserverUsingToken (request->requestToken,
1076                                     request->tokenLength);
1077
1078         if (obs)
1079         {
1080             OIC_LOG (INFO, TAG, "Observer with this token already present");
1081             OIC_LOG (INFO, TAG, "Possibly re-transmitted CON OBS request");
1082             OIC_LOG (INFO, TAG, "Not adding observer. Not responding to client");
1083             OIC_LOG (INFO, TAG, "The first request for this token is already ACKED.");
1084
1085             // server requests are usually free'd when the response is sent out
1086             // for the request in ocserverrequest.c : HandleSingleResponse()
1087             // Since we are making an early return and not responding, the server request
1088             // needs to be deleted.
1089             FindAndDeleteServerRequest (request);
1090             return OC_STACK_OK;
1091         }
1092
1093         result = GenerateObserverId(&ehRequest.obsInfo.obsId);
1094         VERIFY_SUCCESS(result, OC_STACK_OK);
1095
1096         result = AddObserver ((const char*)(request->resourceUrl),
1097                 (const char *)(request->query),
1098                 ehRequest.obsInfo.obsId, request->requestToken, request->tokenLength,
1099                 resource, request->qos, request->acceptFormat,
1100                 &request->devAddr);
1101
1102         if(result == OC_STACK_OK)
1103         {
1104             OIC_LOG(INFO, TAG, "Added observer successfully");
1105             request->observeResult = OC_STACK_OK;
1106             ehFlag = (OCEntityHandlerFlag)(OC_REQUEST_FLAG | OC_OBSERVE_FLAG);
1107         }
1108         else
1109         {
1110             result = OC_STACK_OK;
1111
1112             // The error in observeResult for the request will be used when responding to this
1113             // request by omitting the observation option/sequence number.
1114             request->observeResult = OC_STACK_ERROR;
1115             OIC_LOG(ERROR, TAG, "Observer Addition failed");
1116             ehFlag = OC_REQUEST_FLAG;
1117         }
1118
1119     }
1120     else if(ehRequest.obsInfo.action == OC_OBSERVE_DEREGISTER &&
1121             !collectionResource)
1122     {
1123         OIC_LOG(INFO, TAG, "Deregistering observation requested");
1124
1125         resObs = GetObserverUsingToken (request->requestToken, request->tokenLength);
1126
1127         if (NULL == resObs)
1128         {
1129             // Stack does not contain this observation request
1130             // Either token is incorrect or observation list is corrupted
1131             result = OC_STACK_ERROR;
1132             goto exit;
1133         }
1134         ehRequest.obsInfo.obsId = resObs->observeId;
1135         ehFlag = (OCEntityHandlerFlag)(ehFlag | OC_OBSERVE_FLAG);
1136
1137         result = DeleteObserverUsingToken (request->requestToken, request->tokenLength);
1138
1139         if(result == OC_STACK_OK)
1140         {
1141             OIC_LOG(INFO, TAG, "Removed observer successfully");
1142             request->observeResult = OC_STACK_OK;
1143             // There should be no observe option header for de-registration response.
1144             // Set as an invalid value here so we can detect it later and remove the field in response.
1145             request->observationOption = MAX_SEQUENCE_NUMBER + 1;
1146         }
1147         else
1148         {
1149             result = OC_STACK_OK;
1150             request->observeResult = OC_STACK_ERROR;
1151             OIC_LOG(ERROR, TAG, "Observer Removal failed");
1152         }
1153     }
1154     else
1155     {
1156         result = OC_STACK_ERROR;
1157         goto exit;
1158     }
1159
1160     ehResult = resource->entityHandler(ehFlag, &ehRequest, resource->entityHandlerCallbackParam);
1161     if(ehResult == OC_EH_SLOW)
1162     {
1163         OIC_LOG(INFO, TAG, "This is a slow resource");
1164         request->slowFlag = 1;
1165     }
1166     else if(ehResult == OC_EH_ERROR)
1167     {
1168         FindAndDeleteServerRequest(request);
1169     }
1170     result = EntityHandlerCodeToOCStackCode(ehResult);
1171 exit:
1172     OCPayloadDestroy(ehRequest.payload);
1173     return result;
1174 }
1175
1176 static OCStackResult
1177 HandleCollectionResourceDefaultEntityHandler (OCServerRequest *request,
1178                                               OCResource *resource)
1179 {
1180     if(!request || !resource)
1181     {
1182         return OC_STACK_INVALID_PARAM;
1183     }
1184
1185     OCStackResult result = OC_STACK_ERROR;
1186     OCEntityHandlerRequest ehRequest = {0};
1187
1188     result = FormOCEntityHandlerRequest(&ehRequest,
1189                                         (OCRequestHandle)request,
1190                                         request->method,
1191                                         &request->devAddr,
1192                                         (OCResourceHandle)resource,
1193                                         request->query,
1194                                         PAYLOAD_TYPE_REPRESENTATION,
1195                                         request->payload,
1196                                         request->payloadSize,
1197                                         request->numRcvdVendorSpecificHeaderOptions,
1198                                         request->rcvdVendorSpecificHeaderOptions,
1199                                         (OCObserveAction)request->observationOption,
1200                                         (OCObservationId)0,
1201                                         request->coapID);
1202     if(result == OC_STACK_OK)
1203     {
1204         result = DefaultCollectionEntityHandler (OC_REQUEST_FLAG, &ehRequest);
1205     }
1206
1207     OCPayloadDestroy(ehRequest.payload);
1208     return result;
1209 }
1210
1211 OCStackResult
1212 ProcessRequest(ResourceHandling resHandling, OCResource *resource, OCServerRequest *request)
1213 {
1214     OCStackResult ret = OC_STACK_OK;
1215
1216     switch (resHandling)
1217     {
1218         case OC_RESOURCE_VIRTUAL:
1219         {
1220             ret = HandleVirtualResource (request, resource);
1221             break;
1222         }
1223         case OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER:
1224         {
1225             ret = HandleDefaultDeviceEntityHandler(request);
1226             break;
1227         }
1228         case OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER:
1229         {
1230             OIC_LOG(INFO, TAG, "OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER");
1231             return OC_STACK_ERROR;
1232         }
1233         case OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER:
1234         {
1235             ret = HandleResourceWithEntityHandler (request, resource, 0);
1236             break;
1237         }
1238         case OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER:
1239         {
1240             ret = HandleResourceWithEntityHandler (request, resource, 1);
1241             break;
1242         }
1243         case OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER:
1244         {
1245             ret = HandleCollectionResourceDefaultEntityHandler (request, resource);
1246             break;
1247         }
1248         case OC_RESOURCE_NOT_SPECIFIED:
1249         {
1250             ret = OC_STACK_NO_RESOURCE;
1251             break;
1252         }
1253         default:
1254         {
1255             OIC_LOG(INFO, TAG, "Invalid Resource Determination");
1256             return OC_STACK_ERROR;
1257         }
1258     }
1259     return ret;
1260 }
1261
1262 void DeletePlatformInfo()
1263 {
1264     OIC_LOG(INFO, TAG, "Deleting platform info.");
1265
1266     OICFree(savedPlatformInfo.platformID);
1267     savedPlatformInfo.platformID = NULL;
1268
1269     OICFree(savedPlatformInfo.manufacturerName);
1270     savedPlatformInfo.manufacturerName = NULL;
1271
1272     OICFree(savedPlatformInfo.manufacturerUrl);
1273     savedPlatformInfo.manufacturerUrl = NULL;
1274
1275     OICFree(savedPlatformInfo.modelNumber);
1276     savedPlatformInfo.modelNumber = NULL;
1277
1278     OICFree(savedPlatformInfo.dateOfManufacture);
1279     savedPlatformInfo.dateOfManufacture = NULL;
1280
1281     OICFree(savedPlatformInfo.platformVersion);
1282     savedPlatformInfo.platformVersion = NULL;
1283
1284     OICFree(savedPlatformInfo.operatingSystemVersion);
1285     savedPlatformInfo.operatingSystemVersion = NULL;
1286
1287     OICFree(savedPlatformInfo.hardwareVersion);
1288     savedPlatformInfo.hardwareVersion = NULL;
1289
1290     OICFree(savedPlatformInfo.firmwareVersion);
1291     savedPlatformInfo.firmwareVersion = NULL;
1292
1293     OICFree(savedPlatformInfo.supportUrl);
1294     savedPlatformInfo.supportUrl = NULL;
1295
1296     OICFree(savedPlatformInfo.systemTime);
1297     savedPlatformInfo.systemTime = NULL;
1298 }
1299
1300 static OCStackResult DeepCopyPlatFormInfo(OCPlatformInfo info)
1301 {
1302     savedPlatformInfo.platformID = OICStrdup(info.platformID);
1303     savedPlatformInfo.manufacturerName = OICStrdup(info.manufacturerName);
1304     savedPlatformInfo.manufacturerUrl = OICStrdup(info.manufacturerUrl);
1305     savedPlatformInfo.modelNumber = OICStrdup(info.modelNumber);
1306     savedPlatformInfo.dateOfManufacture = OICStrdup(info.dateOfManufacture);
1307     savedPlatformInfo.platformVersion = OICStrdup(info.platformVersion);
1308     savedPlatformInfo.operatingSystemVersion = OICStrdup(info.operatingSystemVersion);
1309     savedPlatformInfo.hardwareVersion = OICStrdup(info.hardwareVersion);
1310     savedPlatformInfo.firmwareVersion = OICStrdup(info.firmwareVersion);
1311     savedPlatformInfo.supportUrl = OICStrdup(info.supportUrl);
1312     savedPlatformInfo.systemTime = OICStrdup(info.systemTime);
1313
1314     if ((!savedPlatformInfo.platformID && info.platformID)||
1315         (!savedPlatformInfo.manufacturerName && info.manufacturerName)||
1316         (!savedPlatformInfo.manufacturerUrl && info.manufacturerUrl)||
1317         (!savedPlatformInfo.modelNumber && info.modelNumber)||
1318         (!savedPlatformInfo.dateOfManufacture && info.dateOfManufacture)||
1319         (!savedPlatformInfo.platformVersion && info.platformVersion)||
1320         (!savedPlatformInfo.operatingSystemVersion && info.operatingSystemVersion)||
1321         (!savedPlatformInfo.hardwareVersion && info.hardwareVersion)||
1322         (!savedPlatformInfo.firmwareVersion && info.firmwareVersion)||
1323         (!savedPlatformInfo.supportUrl && info.supportUrl)||
1324         (!savedPlatformInfo.systemTime && info.systemTime))
1325     {
1326         DeletePlatformInfo();
1327         return OC_STACK_INVALID_PARAM;
1328     }
1329
1330     return OC_STACK_OK;
1331
1332 }
1333
1334 OCStackResult SavePlatformInfo(OCPlatformInfo info)
1335 {
1336     DeletePlatformInfo();
1337
1338     OCStackResult res = DeepCopyPlatFormInfo(info);
1339
1340     if (res != OC_STACK_OK)
1341     {
1342         OIC_LOG_V(ERROR, TAG, "Failed to save platform info. errno(%d)", res);
1343     }
1344     else
1345     {
1346         OIC_LOG(INFO, TAG, "Platform info saved.");
1347     }
1348
1349     return res;
1350 }
1351
1352 void DeleteDeviceInfo()
1353 {
1354     OIC_LOG(INFO, TAG, "Deleting device info.");
1355
1356     OICFree(savedDeviceInfo.deviceName);
1357     OCFreeOCStringLL(savedDeviceInfo.types);
1358     OICFree(savedDeviceInfo.specVersion);
1359     OCFreeOCStringLL(savedDeviceInfo.dataModelVersions);
1360     savedDeviceInfo.deviceName = NULL;
1361     savedDeviceInfo.specVersion = NULL;
1362     savedDeviceInfo.dataModelVersions = NULL;
1363 }
1364
1365 static OCStackResult DeepCopyDeviceInfo(OCDeviceInfo info)
1366 {
1367     savedDeviceInfo.deviceName = OICStrdup(info.deviceName);
1368
1369     if(!savedDeviceInfo.deviceName && info.deviceName)
1370     {
1371         DeleteDeviceInfo();
1372         return OC_STACK_NO_MEMORY;
1373     }
1374
1375     if (info.types)
1376     {
1377         savedDeviceInfo.types = CloneOCStringLL(info.types);
1378         OCStringLL *type = info.types;
1379         bool found = false;
1380         while (type)
1381         {
1382             if (type && type->value && 0 == strcmp(type->value, OC_RSRVD_RESOURCE_TYPE_DEVICE))
1383             {
1384                 found = true;
1385             }
1386             type = type->next;
1387         }
1388         if (!found)
1389         {
1390             // Append the oic.wk.d at the start of rt link parameter value.
1391             OCStringLL *dest = (OCStringLL*)OICCalloc (1, sizeof (OCStringLL));
1392             if (!dest)
1393             {
1394                 DeleteDeviceInfo();
1395                 return OC_STACK_NO_MEMORY;
1396             }
1397             dest->value = OICStrdup (OC_RSRVD_RESOURCE_TYPE_DEVICE);
1398             if (!dest->value)
1399             {
1400                 DeleteDeviceInfo();
1401                 return OC_STACK_NO_MEMORY;
1402             }
1403             dest->next = savedDeviceInfo.types;
1404             savedDeviceInfo.types = dest;
1405         }
1406         if(!savedDeviceInfo.types && info.types)
1407         {
1408             DeleteDeviceInfo();
1409             return OC_STACK_NO_MEMORY;
1410         }
1411     }
1412
1413     if (info.specVersion)
1414     {
1415         savedDeviceInfo.specVersion = OICStrdup(info.specVersion);
1416         if(!savedDeviceInfo.specVersion && info.specVersion)
1417         {
1418             DeleteDeviceInfo();
1419             return OC_STACK_NO_MEMORY;
1420         }
1421     }
1422     else
1423     {
1424         savedDeviceInfo.specVersion = OICStrdup(OC_SPEC_VERSION);
1425         if(!savedDeviceInfo.specVersion && OC_SPEC_VERSION)
1426         {
1427             DeleteDeviceInfo();
1428             return OC_STACK_NO_MEMORY;
1429         }
1430     }
1431
1432     if (info.dataModelVersions)
1433     {
1434         savedDeviceInfo.dataModelVersions = CloneOCStringLL(info.dataModelVersions);
1435         if(!savedDeviceInfo.dataModelVersions && info.dataModelVersions)
1436         {
1437             DeleteDeviceInfo();
1438             return OC_STACK_NO_MEMORY;
1439         }
1440     }
1441     else
1442     {
1443         savedDeviceInfo.dataModelVersions = (OCStringLL *)OICCalloc(1,sizeof(OCStringLL));
1444         if (!savedDeviceInfo.dataModelVersions)
1445         {
1446             return OC_STACK_NO_MEMORY;
1447         }
1448         savedDeviceInfo.dataModelVersions->value = OICStrdup(OC_DATA_MODEL_VERSION);
1449         if(!savedDeviceInfo.dataModelVersions->value && OC_DATA_MODEL_VERSION)
1450         {
1451             DeleteDeviceInfo();
1452             return OC_STACK_NO_MEMORY;
1453         }
1454     }
1455
1456     return OC_STACK_OK;
1457 }
1458
1459 OCStackResult SaveDeviceInfo(OCDeviceInfo info)
1460 {
1461     OCStackResult res = OC_STACK_OK;
1462
1463     DeleteDeviceInfo();
1464
1465     res = DeepCopyDeviceInfo(info);
1466
1467     VERIFY_SUCCESS(res, OC_STACK_OK);
1468
1469     if (OCGetServerInstanceIDString() == NULL)
1470     {
1471         OIC_LOG(INFO, TAG, "Device ID generation failed");
1472         res =  OC_STACK_ERROR;
1473         goto exit;
1474     }
1475
1476     OIC_LOG(INFO, TAG, "Device initialized successfully.");
1477     return OC_STACK_OK;
1478
1479 exit:
1480     DeleteDeviceInfo();
1481     return res;
1482 }