static CborError OCParseStringLL(CborValue *map, char *type, OCStringLL **resource) { CborValue val; CborError err = cbor_value_map_find_value(map, type, &val); VERIFY_CBOR_SUCCESS(TAG, err, "to find StringLL TAG"); if (cbor_value_is_text_string(&val)) { char *input = NULL; char *savePtr = NULL; size_t len = 0; err = cbor_value_dup_text_string(&val, &input, &len, NULL); VERIFY_CBOR_SUCCESS(TAG, err, "to find StringLL value"); if (input) { char *curPtr = strtok_r(input, " ", &savePtr); while (curPtr) { char *trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] !='\0') { if (!OCResourcePayloadAddStringLL(resource, trimmed)) { return CborErrorOutOfMemory; } } curPtr = strtok_r(NULL, " ", &savePtr); } OICFree(input); } } exit: return err; }
static OCStackResult OCParseDiscoveryPayload(OCPayload** outPayload, CborValue* rootValue) { if (!outPayload) { return OC_STACK_INVALID_PARAM; } bool err = false; OCResourcePayload* resource = NULL; uint16_t resourceCount = 0; CborValue resourceMap = {}; OCDiscoveryPayload* out = OCDiscoveryPayloadCreate(); if(!out) { return OC_STACK_NO_MEMORY; } // Root value is already inside the main root array CborValue rootMap = {}; // Enter the main root map err = err || cbor_value_enter_container(rootValue, &rootMap); // Look for DI CborValue curVal = {}; err = cbor_value_map_find_value(&rootMap, OC_RSRVD_DEVICE_ID, &curVal); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor find value failed."); goto malformed_cbor; } size_t len; err = cbor_value_dup_byte_string(&curVal, &(out->sid), &len, NULL); // Look for Links which will have an array as the value err = cbor_value_map_find_value(&rootMap, OC_RSRVD_LINKS, &curVal); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor find value failed."); goto malformed_cbor; } // Enter the links array and start iterating through the array processing // each resource which shows up as a map. err = err || cbor_value_enter_container(&curVal, &resourceMap); while (cbor_value_is_map(&resourceMap)) { resource = (OCResourcePayload*)OICCalloc(1, sizeof(OCResourcePayload)); if(!resource) { OC_LOG(ERROR, TAG, "Memory allocation failed"); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } // Uri CborValue uriVal = {}; err = cbor_value_map_find_value(&resourceMap, OC_RSRVD_HREF, &uriVal); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding href type failed."); goto malformed_cbor; } err = cbor_value_dup_text_string(&uriVal, &(resource->uri), &len, NULL); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding href value failed."); goto malformed_cbor; } // ResourceTypes CborValue rtVal = {}; err = cbor_value_map_find_value(&resourceMap, OC_RSRVD_RESOURCE_TYPE, &rtVal); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding rt type failed."); goto malformed_cbor; } if (cbor_value_is_text_string(&rtVal)) { char* input = NULL; char* savePtr; err = cbor_value_dup_text_string(&rtVal, &input, &len, NULL); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding rt value failed."); goto malformed_cbor; } if (input) { char* curPtr = strtok_r(input, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] !='\0') { if (!OCResourcePayloadAddResourceType(resource, trimmed)) { OICFree(resource->uri); OCFreeOCStringLL(resource->types); OICFree(resource); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } } curPtr = strtok_r(NULL, " ", &savePtr); } OICFree(input); } } // Interface Types CborValue ifVal = {}; err = cbor_value_map_find_value(&resourceMap, OC_RSRVD_INTERFACE, &ifVal); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding if type failed."); goto malformed_cbor; } if (!err && cbor_value_is_text_string(&ifVal)) { char* input = NULL; char* savePtr; err = cbor_value_dup_text_string(&ifVal, &input, &len, NULL); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding if value failed."); goto malformed_cbor; } if (input) { char* curPtr = strtok_r(input, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] !='\0') { if (!OCResourcePayloadAddInterface(resource, trimmed)) { OICFree(resource->uri); OCFreeOCStringLL(resource->types); OICFree(resource); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } } curPtr = strtok_r(NULL, " ", &savePtr); } OICFree(input); } } // Policy CborValue policyMap = {}; err = cbor_value_map_find_value(&resourceMap, OC_RSRVD_POLICY, &policyMap); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding policy type failed."); goto malformed_cbor; } // Bitmap CborValue val = {}; err = cbor_value_map_find_value(&policyMap, OC_RSRVD_BITMAP, &val); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding bitmap type failed."); goto malformed_cbor; } uint64_t temp = 0; err = cbor_value_get_uint64(&val, &temp); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding bitmap value failed."); goto malformed_cbor; } resource->bitmap = (uint8_t)temp; // Secure Flag err = cbor_value_map_find_value(&policyMap, OC_RSRVD_SECURE, &val); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding secure type failed."); goto malformed_cbor; } if(cbor_value_is_valid(&val)) { err = cbor_value_get_boolean(&val, &(resource->secure)); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding secure value failed."); goto malformed_cbor; } // Port CborValue port; err = cbor_value_map_find_value(&policyMap, OC_RSRVD_HOSTING_PORT, &port); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding port type failed."); goto malformed_cbor; } if(cbor_value_is_valid(&port)) { err = cbor_value_get_uint64(&port, &temp); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor finding port value failed."); goto malformed_cbor; } resource->port = (uint16_t)temp; } } err = cbor_value_advance(&resourceMap); if (CborNoError != err) { OC_LOG(ERROR, TAG, "Cbor advance value failed."); goto malformed_cbor; } ++resourceCount; OCDiscoveryPayloadAddNewResource(out, resource); } err = err || cbor_value_leave_container(rootValue, &resourceMap); *outPayload = (OCPayload*)out; return OC_STACK_OK; malformed_cbor: OICFree(resource->uri); OCFreeOCStringLL(resource->types); OCFreeOCStringLL(resource->interfaces); OICFree(resource); OCDiscoveryPayloadDestroy(out); return OC_STACK_MALFORMED_RESPONSE; cbor_error: OCDiscoveryCollectionPayloadDestroy(out); return OC_STACK_MALFORMED_RESPONSE; }
static bool OCParseSingleRepPayload(OCRepPayload** outPayload, CborValue* repParent) { if (!outPayload) { return false; } *outPayload = OCRepPayloadCreate(); OCRepPayload* curPayload = *outPayload; bool err = false; if(!*outPayload) { return CborErrorOutOfMemory; } size_t len; CborValue curVal; err = err || cbor_value_map_find_value(repParent, OC_RSRVD_HREF, &curVal); if(cbor_value_is_valid(&curVal)) { err = err || cbor_value_dup_text_string(&curVal, &curPayload->uri, &len, NULL); } err = err || cbor_value_map_find_value(repParent, OC_RSRVD_PROPERTY, &curVal); if(cbor_value_is_valid(&curVal)) { CborValue insidePropValue = {0}; err = err || cbor_value_map_find_value(&curVal, OC_RSRVD_RESOURCE_TYPE, &insidePropValue); if(cbor_value_is_text_string(&insidePropValue)) { char* allRt = NULL; err = err || cbor_value_dup_text_string(&insidePropValue, &allRt, &len, NULL); char* savePtr; if (allRt) { char* curPtr = strtok_r(allRt, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] != '\0') { OCRepPayloadAddResourceType(curPayload, curPtr); } curPtr = strtok_r(NULL, " ", &savePtr); } } OICFree(allRt); } err = err || cbor_value_map_find_value(&curVal, OC_RSRVD_INTERFACE, &insidePropValue); if(cbor_value_is_text_string(&insidePropValue)) { char* allIf = NULL; err = err || cbor_value_dup_text_string(&insidePropValue, &allIf, &len, NULL); char* savePtr; if (allIf) { char* curPtr = strtok_r(allIf, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] != '\0') { OCRepPayloadAddInterface(curPayload, curPtr); } curPtr = strtok_r(NULL, " ", &savePtr); } } OICFree(allIf); } } err = err || cbor_value_map_find_value(repParent, OC_RSRVD_REPRESENTATION, &curVal); if(cbor_value_is_map(&curVal)) { CborValue repMap; err = err || cbor_value_enter_container(&curVal, &repMap); while(!err && cbor_value_is_valid(&repMap)) { char* name; err = err || cbor_value_dup_text_string(&repMap, &name, &len, NULL); err = err || cbor_value_advance(&repMap); int64_t intval = 0; bool boolval = false; char* strval = NULL; double doubleval = 0; OCRepPayload* pl; switch(cbor_value_get_type(&repMap)) { case CborNullType: err = !OCRepPayloadSetNull(curPayload, name); break; case CborIntegerType: err = err || cbor_value_get_int64(&repMap, &intval); if (!err) { err = !OCRepPayloadSetPropInt(curPayload, name, intval); } break; case CborDoubleType: err = err || cbor_value_get_double(&repMap, &doubleval); if (!err) { err = !OCRepPayloadSetPropDouble(curPayload, name, doubleval); } break; case CborBooleanType: err = err || cbor_value_get_boolean(&repMap, &boolval); if (!err) { err = !OCRepPayloadSetPropBool(curPayload, name, boolval); } break; case CborTextStringType: err = err || cbor_value_dup_text_string(&repMap, &strval, &len, NULL); if (!err) { err = !OCRepPayloadSetPropStringAsOwner(curPayload, name, strval); } break; case CborMapType: err = err || OCParseSingleRepPayload(&pl, &repMap); if (!err) { err = !OCRepPayloadSetPropObjectAsOwner(curPayload, name, pl); } break; case CborArrayType: err = err || OCParseArray(curPayload, name, &repMap); break; default: OC_LOG_V(ERROR, TAG, "Parsing rep property, unknown type %d", repMap.type); err = true; } err = err || cbor_value_advance(&repMap); OICFree(name); } err = err || cbor_value_leave_container(&curVal, &repMap); } if(err) { OCRepPayloadDestroy(*outPayload); *outPayload = NULL; } return err; }
static OCStackResult OCParseDiscoveryPayload(OCPayload** outPayload, CborValue* arrayVal) { if (!outPayload) { return OC_STACK_INVALID_PARAM; } bool err = false; OCDiscoveryPayload* out = OCDiscoveryPayloadCreate(); if(!out) { return OC_STACK_NO_MEMORY; } size_t resourceCount = 0; while(!err && cbor_value_is_map(arrayVal)) { OCResourcePayload* resource = (OCResourcePayload*)OICCalloc(1, sizeof(OCResourcePayload)); if(!resource) { OC_LOG(ERROR, TAG, "Memory allocation failed"); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } CborValue curVal; // Uri err = err || cbor_value_map_find_value(arrayVal, OC_RSRVD_HREF, &curVal); size_t len; err = err || cbor_value_dup_text_string(&curVal, &(resource->uri), &len, NULL); // SID err = err || cbor_value_map_find_value(arrayVal, OC_RSRVD_SERVER_INSTANCE_ID, &curVal); err = err || cbor_value_dup_byte_string(&curVal, &(resource->sid), &len, NULL); // Prop Tag { err = err || cbor_value_map_find_value(arrayVal, OC_RSRVD_PROPERTY, &curVal); // ResourceTypes CborValue rtVal; err = err || cbor_value_map_find_value(&curVal, OC_RSRVD_RESOURCE_TYPE, &rtVal); if (!err && cbor_value_is_text_string(&rtVal)) { char* input = NULL; char* savePtr; err = err || cbor_value_dup_text_string(&rtVal, &input, &len, NULL); if (input) { char* curPtr = strtok_r(input, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] !='\0') { if (!OCResourcePayloadAddResourceType(resource, trimmed)) { OICFree(resource->uri); OICFree(resource->sid); OCFreeOCStringLL(resource->types); OICFree(resource); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } } curPtr = strtok_r(NULL, " ", &savePtr); } OICFree(input); } } // Interface Types CborValue ifVal; err = err || cbor_value_map_find_value(&curVal, OC_RSRVD_INTERFACE, &ifVal); if (!err && cbor_value_is_text_string(&ifVal)) { char* input = NULL; char* savePtr; err = err || cbor_value_dup_text_string(&ifVal, &input, &len, NULL); if (input) { char* curPtr = strtok_r(input, " ", &savePtr); while (curPtr) { char* trimmed = InPlaceStringTrim(curPtr); if (trimmed[0] !='\0') { if (!OCResourcePayloadAddInterface(resource, trimmed)) { OICFree(resource->uri); OICFree(resource->sid); OCFreeOCStringLL(resource->types); OICFree(resource); OCDiscoveryPayloadDestroy(out); return OC_STACK_NO_MEMORY; } } curPtr = strtok_r(NULL, " ", &savePtr); } OICFree(input); } } // Policy { CborValue policyMap; err = err || cbor_value_map_find_value(&curVal, OC_RSRVD_POLICY, &policyMap); // Bitmap CborValue val; err = err || cbor_value_map_find_value(&policyMap, OC_RSRVD_BITMAP, &val); uint64_t temp = 0; err = err || cbor_value_get_uint64(&val, &temp); resource->bitmap = (uint8_t)temp; // Secure Flag err = err || cbor_value_map_find_value(&policyMap, OC_RSRVD_SECURE, &val); if(cbor_value_is_valid(&val)) { err = err || cbor_value_get_boolean(&val, &(resource->secure)); // Port CborValue port; err = err || cbor_value_map_find_value(&policyMap, OC_RSRVD_HOSTING_PORT, &port); if(cbor_value_is_valid(&port)) { err = err || cbor_value_get_uint64(&port, &temp); resource->port = (uint16_t)temp; } } } } err = err || cbor_value_advance(arrayVal); if(err) { OICFree(resource->uri); OICFree(resource->sid); OCFreeOCStringLL(resource->types); OCFreeOCStringLL(resource->interfaces); OICFree(resource); OCDiscoveryPayloadDestroy(out); OC_LOG_V(ERROR, TAG, "CBOR in error condition", err); return OC_STACK_MALFORMED_RESPONSE; } ++resourceCount; OCDiscoveryPayloadAddNewResource(out, resource); } if(err) { OCDiscoveryPayloadDestroy(out); return OC_STACK_MALFORMED_RESPONSE; } else { *outPayload = (OCPayload*)out; return OC_STACK_OK; } }