/**
* Perform cleanup for pstat resources.
*
* @retval OC_STACK_OK for Success, otherwise some error value
*/
OCStackResult DeInitPstatResource()
{
if(gPstat != &gDefaultPstat)
{
DeletePstatBinData(gPstat);
gPstat = NULL;
}
return OCDeleteResource(gPstatHandle);
}
static void ConvertJsonToCBOR(const char *jsonFileName, const char *cborFileName)
{
char *jsonStr = NULL;
FILE *fp = NULL;
FILE *fp1 = NULL;
uint8_t *aclCbor = NULL;
uint8_t *pstatCbor = NULL;
uint8_t *doxmCbor = NULL;
uint8_t *amaclCbor = NULL;
uint8_t *svcCbor = NULL;
uint8_t *credCbor = NULL;
cJSON *jsonRoot = NULL;
OCStackResult ret = OC_STACK_ERROR;
size_t size = GetJSONFileSize(jsonFileName);
if (0 == size)
{
OIC_LOG (ERROR, TAG, "Failed converting to JSON");
return;
}
jsonStr = (char *)OICMalloc(size + 1);
VERIFY_NON_NULL(TAG, jsonStr, FATAL);
fp = fopen(jsonFileName, "r");
if (fp)
{
size_t bytesRead = fread(jsonStr, 1, size, fp);
jsonStr[bytesRead] = '\0';
OIC_LOG_V(DEBUG, TAG, "Read %zu bytes", bytesRead);
fclose(fp);
fp = NULL;
}
else
{
OIC_LOG (ERROR, TAG, "Unable to open JSON file!!");
goto exit;
}
jsonRoot = cJSON_Parse(jsonStr);
cJSON *value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_ACL_NAME);
//printf("ACL json : \n%s\n", cJSON_PrintUnformatted(value));
size_t aclCborSize = 0;
if (NULL != value)
{
OicSecAcl_t *acl = JSONToAclBin(jsonStr);
VERIFY_NON_NULL(TAG, acl, FATAL);
ret = AclToCBORPayload(acl, &aclCbor, &aclCborSize);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Acl to Cbor Payload");
DeleteACLList(acl);
goto exit;
}
printf("ACL Cbor Size: %zd\n", aclCborSize);
DeleteACLList(acl);
}
value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_PSTAT_NAME);
size_t pstatCborSize = 0;
if (NULL != value)
{
OicSecPstat_t *pstat = JSONToPstatBin(jsonStr);
VERIFY_NON_NULL(TAG, pstat, FATAL);
ret = PstatToCBORPayload(pstat, &pstatCbor, &pstatCborSize);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Pstat to Cbor Payload");
DeletePstatBinData(pstat);
goto exit;
}
printf("PSTAT Cbor Size: %zd\n", pstatCborSize);
DeletePstatBinData(pstat);
}
value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_DOXM_NAME);
size_t doxmCborSize = 0;
if (NULL != value)
{
OicSecDoxm_t *doxm = JSONToDoxmBin(jsonStr);
VERIFY_NON_NULL(TAG, doxm, FATAL);
ret = DoxmToCBORPayload(doxm, &doxmCbor, &doxmCborSize);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Doxm to Cbor Payload");
DeleteDoxmBinData(doxm);
goto exit;
}
printf("DOXM Cbor Size: %zd\n", doxmCborSize);
DeleteDoxmBinData(doxm);
}
value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_AMACL_NAME);
size_t amaclCborSize = 0;
if (NULL != value)
{
OicSecAmacl_t *amacl = JSONToAmaclBin(jsonStr);
VERIFY_NON_NULL(TAG, amacl, FATAL);
ret = AmaclToCBORPayload(amacl, &amaclCbor, &amaclCborSize);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Amacl to Cbor Payload");
DeleteAmaclList(amacl);
goto exit;
}
printf("AMACL Cbor Size: %zd\n", amaclCborSize);
DeleteAmaclList(amacl);
}
value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_SVC_NAME);
size_t svcCborSize = 0;
if (NULL != value)
{
OicSecSvc_t *svc = JSONToSvcBin(jsonStr);
VERIFY_NON_NULL(TAG, svc, FATAL);
ret = SVCToCBORPayload(svc, &svcCbor, &svcCborSize);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Svc to Cbor Payload");
DeleteSVCList(svc);
goto exit;
}
printf("SVC Cbor Size: %zd\n", svcCborSize);
DeleteSVCList(svc);
}
value = cJSON_GetObjectItem(jsonRoot, OIC_JSON_CRED_NAME);
//printf("CRED json : \n%s\n", cJSON_PrintUnformatted(value));
size_t credCborSize = 0;
int secureFlag = 0;
if (NULL != value)
{
OicSecCred_t *cred = JSONToCredBin(jsonStr);
VERIFY_NON_NULL(TAG, cred, FATAL);
ret = CredToCBORPayload(cred, &credCbor, &credCborSize, secureFlag);
if(OC_STACK_OK != ret)
{
OIC_LOG (ERROR, TAG, "Failed converting Cred to Cbor Payload");
DeleteCredList(cred);
goto exit;
}
printf("CRED Cbor Size: %zd\n", credCborSize);
DeleteCredList(cred);
}
CborEncoder encoder;
size_t cborSize = aclCborSize + pstatCborSize + doxmCborSize + svcCborSize + credCborSize + amaclCborSize;
printf("Total Cbor Size : %zd\n", cborSize);
cborSize += 255; // buffer margin for adding map and byte string
uint8_t *outPayload = (uint8_t *)OICCalloc(1, cborSize);
VERIFY_NON_NULL(TAG, outPayload, ERROR);
cbor_encoder_init(&encoder, outPayload, cborSize, 0);
CborEncoder map;
CborError cborEncoderResult = cbor_encoder_create_map(&encoder, &map, CborIndefiniteLength);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Creating Main Map.");
if (aclCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_ACL_NAME, strlen(OIC_JSON_ACL_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding ACL Name.");
cborEncoderResult = cbor_encode_byte_string(&map, aclCbor, aclCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding ACL Value.");
}
if (pstatCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_PSTAT_NAME, strlen(OIC_JSON_PSTAT_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PSTAT Name.");
cborEncoderResult = cbor_encode_byte_string(&map, pstatCbor, pstatCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PSTAT Value.");
}
if (doxmCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_DOXM_NAME, strlen(OIC_JSON_DOXM_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding DOXM Name.");
cborEncoderResult = cbor_encode_byte_string(&map, doxmCbor, doxmCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding DOXM Value.");
}
if (amaclCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_AMACL_NAME, strlen(OIC_JSON_AMACL_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding AMACL Name.");
cborEncoderResult = cbor_encode_byte_string(&map, amaclCbor, amaclCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding AMACL Value.");
}
if (svcCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_SVC_NAME, strlen(OIC_JSON_SVC_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding SVC Name.");
cborEncoderResult = cbor_encode_byte_string(&map, svcCbor, svcCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding SVC Value.");
}
if (credCborSize > 0)
{
cborEncoderResult = cbor_encode_text_string(&map, OIC_JSON_CRED_NAME, strlen(OIC_JSON_CRED_NAME));
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding CRED Name.");
cborEncoderResult = cbor_encode_byte_string(&map, credCbor, credCborSize);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding CRED Value.");
}
cborEncoderResult = cbor_encoder_close_container(&encoder, &map);
VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Container.");
size_t s = encoder.ptr - outPayload;
OIC_LOG_V(DEBUG, TAG, "Payload size %zu", s);
fp1 = fopen(cborFileName, "w");
if (fp1)
{
size_t bytesWritten = fwrite(outPayload, 1, s, fp1);
if (bytesWritten == s)
{
OIC_LOG_V(DEBUG, TAG, "Written %zu bytes", bytesWritten);
}
else
{
OIC_LOG_V(ERROR, TAG, "Failed writing %zu bytes", s);
}
fclose(fp1);
fp1 = NULL;
}
exit:
cJSON_Delete(jsonRoot);
OICFree(aclCbor);
OICFree(doxmCbor);
OICFree(pstatCbor);
OICFree(amaclCbor);
OICFree(svcCbor);
OICFree(credCbor);
OICFree(jsonStr);
return ;
}
/**
* The entity handler determines how to process a POST request.
* Per the REST paradigm, POST can also be used to update representation of existing
* resource or create a new resource.
* For pstat, it updates only tm and om.
*/
static OCEntityHandlerResult HandlePstatPostRequest(const OCEntityHandlerRequest *ehRequest)
{
OCEntityHandlerResult ehRet = OC_EH_ERROR;
OIC_LOG(INFO, TAG, "HandlePstatPostRequest processing POST request");
OicSecPstat_t *pstat = NULL;
if (ehRequest->payload)
{
uint8_t *payload = ((OCSecurityPayload *) ehRequest->payload)->securityData;
size_t size = ((OCSecurityPayload *) ehRequest->payload)->payloadSize;
VERIFY_NON_NULL(TAG, payload, ERROR);
OCStackResult ret = CBORPayloadToPstat(payload, size, &pstat);
VERIFY_NON_NULL(TAG, pstat, ERROR);
if (OC_STACK_OK == ret)
{
if (false == (pstat->cm & TAKE_OWNER) && false == pstat->isOp)
{
gPstat->cm = pstat->cm;
OIC_LOG (INFO, TAG, "State changed to Ready for Provisioning");
}
else if (false == (pstat->cm & TAKE_OWNER) && true == pstat->isOp)
{
gPstat->isOp =pstat->isOp;
OIC_LOG (INFO, TAG, "State changed to Ready for Normal Operation");
}
else
{
OIC_LOG(DEBUG, TAG, "Invalid Device provisionig state");
}
if (pstat->om != MULTIPLE_SERVICE_SERVER_DRIVEN && gPstat)
{
/*
* Check if the operation mode is in the supported provisioning services
* operation mode list.
*/
for (size_t i=0; i< gPstat->smLen; i++)
{
if(gPstat->sm[i] == pstat->om)
{
gPstat->om = pstat->om;
break;
}
}
}
// Convert pstat data into CBOR for update to persistent storage
if (UpdatePersistentStorage(gPstat))
{
ehRet = OC_EH_OK;
}
}
}
exit:
if(OC_EH_OK != ehRet)
{
/*
* If some error is occured while ownership transfer,
* ownership transfer related resource should be revert back to initial status.
*/
RestoreDoxmToInitState();
RestorePstatToInitState();
}
//Send payload to request originator
if(OC_STACK_OK != SendSRMResponse(ehRequest, ehRet, NULL, 0))
{
ehRet = OC_EH_ERROR;
OIC_LOG (ERROR, TAG, "SendSRMResponse failed in HandlePstatPostRequest");
}
DeletePstatBinData(pstat);
return ehRet;
}
OicSecPstat_t * JSONToPstatBin(const char * jsonStr, const bool isIncResName)
{
if(NULL == jsonStr)
{
return NULL;
}
OCStackResult ret = OC_STACK_ERROR;
OicSecPstat_t *pstat = NULL;
cJSON *jsonPstat = NULL;
cJSON *jsonObj = NULL;
unsigned char base64Buff[sizeof(((OicUuid_t*) 0)->id)] = {};
uint32_t outLen = 0;
B64Result b64Ret = B64_OK;
cJSON *jsonRoot = cJSON_Parse(jsonStr);
VERIFY_NON_NULL(TAG, jsonRoot, INFO);
if(isIncResName)
{
jsonPstat = cJSON_GetObjectItem(jsonRoot, OIC_JSON_PSTAT_NAME);
}
else
{
jsonPstat = jsonRoot;
}
VERIFY_NON_NULL(TAG, jsonPstat, INFO);
pstat = (OicSecPstat_t*)OICCalloc(1, sizeof(OicSecPstat_t));
VERIFY_NON_NULL(TAG, pstat, INFO);
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_ISOP_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
VERIFY_SUCCESS(TAG, (cJSON_True == jsonObj->type || cJSON_False == jsonObj->type) , ERROR);
pstat->isOp = jsonObj->valueint;
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_DEVICE_ID_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
VERIFY_SUCCESS(TAG, cJSON_String == jsonObj->type, ERROR);
b64Ret = b64Decode(jsonObj->valuestring, strlen(jsonObj->valuestring), base64Buff,
sizeof(base64Buff), &outLen);
VERIFY_SUCCESS(TAG, (b64Ret == B64_OK && outLen <= sizeof(pstat->deviceID.id)), ERROR);
memcpy(pstat->deviceID.id, base64Buff, outLen);
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_COMMIT_HASH_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
VERIFY_SUCCESS(TAG, cJSON_Number == jsonObj->type, ERROR);
pstat->commitHash = jsonObj->valueint;
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_CM_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
VERIFY_SUCCESS(TAG, cJSON_Number == jsonObj->type, ERROR);
pstat->cm = (OicSecDpm_t)jsonObj->valueint;
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_OM_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
VERIFY_SUCCESS(TAG, cJSON_Number == jsonObj->type, ERROR);
pstat->om = (OicSecDpom_t)jsonObj->valueint;
jsonObj = cJSON_GetObjectItem(jsonPstat, OIC_JSON_SM_NAME);
VERIFY_NON_NULL(TAG, jsonObj, ERROR);
if (cJSON_Array == jsonObj->type)
{
pstat->smLen = cJSON_GetArraySize(jsonObj);
size_t idxx = 0;
VERIFY_SUCCESS(TAG, pstat->smLen != 0, ERROR);
pstat->sm = (OicSecDpom_t*)OICCalloc(pstat->smLen, sizeof(OicSecDpom_t));
VERIFY_NON_NULL(TAG, pstat->sm, ERROR);
do
{
cJSON *jsonSm = cJSON_GetArrayItem(jsonObj, idxx);
VERIFY_NON_NULL(TAG, jsonSm, ERROR);
pstat->sm[idxx] = (OicSecDpom_t)jsonSm->valueint;
}while ( ++idxx < pstat->smLen);
}
ret = OC_STACK_OK;
exit:
cJSON_Delete(jsonRoot);
if (OC_STACK_OK != ret)
{
OC_LOG (ERROR, TAG, "JSONToPstatBin failed");
DeletePstatBinData(pstat);
pstat = NULL;
}
return pstat;
}
OCStackResult CBORPayloadToPstat(const uint8_t *cborPayload, const size_t size,
OicSecPstat_t **secPstat)
{
if (NULL == cborPayload || NULL == secPstat || NULL != *secPstat || 0 == size)
{
return OC_STACK_INVALID_PARAM;
}
OCStackResult ret = OC_STACK_ERROR;
*secPstat = NULL;
CborValue pstatCbor;
CborParser parser;
CborError cborFindResult = CborNoError;
char *strUuid = NULL;
size_t len = 0;
cbor_parser_init(cborPayload, size, 0, &parser, &pstatCbor);
CborValue pstatMap = { .parser = NULL };
OicSecPstat_t *pstat = NULL;
cborFindResult = cbor_value_enter_container(&pstatCbor, &pstatMap);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding PSTAT Map.");
pstat = (OicSecPstat_t *)OICCalloc(1, sizeof(OicSecPstat_t));
VERIFY_NON_NULL(TAG, pstat, ERROR);
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_ISOP_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_boolean(&pstatMap))
{
cborFindResult = cbor_value_get_boolean(&pstatMap, &pstat->isOp);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding isOp Value.");
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_DEVICE_ID_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_text_string(&pstatMap))
{
cborFindResult = cbor_value_dup_text_string(&pstatMap, &strUuid , &len, NULL);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Device Id Value.");
ret = ConvertStrToUuid(strUuid , &pstat->deviceID);
VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
OICFree(strUuid );
strUuid = NULL;
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_CM_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_integer(&pstatMap))
{
cborFindResult = cbor_value_get_int(&pstatMap, (int *) &pstat->cm);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding CM.");
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_TM_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_integer(&pstatMap))
{
cborFindResult = cbor_value_get_int(&pstatMap, (int *) &pstat->tm);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding TM.");
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_OM_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_integer(&pstatMap))
{
cborFindResult = cbor_value_get_int(&pstatMap, (int *) &pstat->om);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding OM.");
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_SM_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_integer(&pstatMap))
{
pstat->smLen = 1;
pstat->sm = (OicSecDpom_t*)OICCalloc(pstat->smLen, sizeof(OicSecDpom_t));
cborFindResult = cbor_value_get_int(&pstatMap, (int *) &pstat->sm[0]);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding SM.");
}
cborFindResult = cbor_value_map_find_value(&pstatCbor, OIC_JSON_ROWNERID_NAME, &pstatMap);
if (CborNoError == cborFindResult && cbor_value_is_text_string(&pstatMap))
{
cborFindResult = cbor_value_dup_text_string(&pstatMap, &strUuid , &len, NULL);
VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding ROwner Id Value.");
ret = ConvertStrToUuid(strUuid , &pstat->rownerID);
VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
OICFree(strUuid );
strUuid = NULL;
}
*secPstat = pstat;
ret = OC_STACK_OK;
exit:
if (CborNoError != cborFindResult)
{
OIC_LOG(ERROR, TAG, "CBORPayloadToPstat failed");
DeletePstatBinData(pstat);
pstat = NULL;
*secPstat = NULL;
ret = OC_STACK_ERROR;
}
return ret;
}