+* Function to device revocation
+* This function will remove credential of target device from all devices in subnet.
+*
+* @param[in] ctx Application context would be returned in result callback
+* @param[in] pOwnedDevList List of owned devices
+* @param[in] pTargetDev Device information to be revoked.
+* @param[in] resultCallback callback provided by API user, callback will be called when
+* credential revocation is finished.
+* @return OC_STACK_OK in case of success and other value otherwise.
+* If OC_STACK_OK is returned, the caller of this API should wait for callback.
+* OC_STACK_CONTINUE means operation is success but no request is need to be initiated.
+*/
+OCStackResult SRPRemoveDeviceWithoutDiscovery(void* ctx, const OCProvisionDev_t* pOwnedDevList,
+ const OCProvisionDev_t* pTargetDev, OCProvisionResultCB resultCallback)
+{
+ OIC_LOG(INFO, TAG, "IN SRPRemoveDeviceWithoutDiscovery");
+
+ if (!pOwnedDevList)
+ {
+ OIC_LOG(WARNING, TAG, "SRPRemoveDeviceWithoutDiscovery : Owned Device List is empty");
+ return OC_STACK_CONTINUE;
+ }
+ if (!pTargetDev)
+ {
+ OIC_LOG(INFO, TAG, "SRPRemoveDeviceWithoutDiscovery : NULL parameters");
+ return OC_STACK_INVALID_PARAM;
+ }
+ if (!resultCallback)
+ {
+ OIC_LOG(INFO, TAG, "SRPRemoveDeviceWithoutDiscovery : NULL Callback");
+ return OC_STACK_INVALID_CALLBACK;
+ }
+
+ // Declare variables in here to handle error cases with goto statement.
+ OCProvisionDev_t* pLinkedDevList = NULL;
+ RemoveData_t* removeData = NULL;
+
+ //1. Find all devices that has a credential of the revoked device
+ OCUuidList_t* pLinkedUuidList = NULL;
+ size_t numOfDevices = 0;
+ OCStackResult res = OC_STACK_ERROR;
+ res = PDMGetLinkedDevices(&pTargetDev->doxm->deviceID, &pLinkedUuidList, &numOfDevices);
+ if (OC_STACK_OK != res)
+ {
+ OIC_LOG(WARNING, TAG, "SRPRemoveDeviceWithoutDiscovery : Failed to get linked devices information");
+ return OC_STACK_CONTINUE;
+ }
+ // if there is no related device, we can skip further process.
+ if (0 == numOfDevices)
+ {
+ OIC_LOG(WARNING, TAG, "SRPRemoveDeviceWithoutDiscovery : No linked device found.");
+ return OC_STACK_CONTINUE;
+ }
+
+ //2. Make a list of devices to send DELETE credential request
+ // by comparing owned devices from provisioning database with mutlicast discovery result.
+ size_t numOfLinkedDev = 0;
+ res = GetListofDevToReqDeleteCred(pTargetDev, pOwnedDevList, pLinkedUuidList,
+ &pLinkedDevList, &numOfLinkedDev);
+ if (OC_STACK_OK != res)
+ {
+ OIC_LOG(ERROR, TAG, "SRPRemoveDeviceWithoutDiscovery : GetListofDevToReqDeleteCred() failed");
+ goto error;
+ }
+ if (0 == numOfLinkedDev) // This case means, there is linked device but it's not alive now.
+ { // So we don't have to send request message.
+ OIC_LOG(DEBUG, TAG, "SRPRemoveDeviceWithoutDiscovery : No alived & linked device found.");
+ return OC_STACK_CONTINUE;
+ }
+
+ // 3. Prepare RemoveData Context data.
+ removeData = (RemoveData_t*)OICCalloc(1, sizeof(RemoveData_t));
+ if (!removeData)
+ {
+ OIC_LOG(ERROR, TAG, "SRPRemoveDeviceWithoutDiscovery : Failed to memory allocation");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ removeData->revokeTargetDev = PMCloneOCProvisionDev(pTargetDev);
+ if (!removeData->revokeTargetDev)
+ {
+ OIC_LOG(ERROR, TAG, "SRPRemoveDeviceWithoutDiscovery : PMCloneOCProvisionDev Failed");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ removeData->removeRes =
+ (OCProvisionResult_t*)OICCalloc(numOfLinkedDev, sizeof(OCProvisionResult_t));
+ if (!removeData->removeRes)
+ {
+ OIC_LOG(ERROR, TAG, "SRPRemoveDeviceWithoutDiscovery : Failed to memory allocation");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ removeData->ctx = ctx;
+ removeData->linkedDevList = pLinkedDevList;
+ removeData->resultCallback = resultCallback;
+ removeData->numOfResults = 0;
+ removeData->sizeOfResArray = numOfLinkedDev;
+ removeData->hasError = false;
+
+ // 5. Send DELETE credential request to linked devices.
+ OCProvisionDev_t *curDev = NULL, *tmpDev = NULL;
+ OCStackResult totalRes = OC_STACK_ERROR; /* variable for checking request is sent or not */
+ LL_FOREACH_SAFE(pLinkedDevList, curDev, tmpDev)
+ {
+ res = SendDeleteCredentialRequest((void*)removeData, &SRPRemoveDeviceCB,
+ removeData->revokeTargetDev, curDev);
+ if (OC_STACK_OK != res)
+ {
+ OIC_LOG_V(ERROR, TAG, "SRPRemoveDeviceWithoutDiscovery : Fail to send the DELETE credential request to\
+ %s:%u", curDev->endpoint.addr, curDev->endpoint.port);
+ }
+ else
+ {
+ totalRes = OC_STACK_OK; // This means at least one request is successfully sent.
+ }
+ }
+
+ PDMDestoryOicUuidLinkList(pLinkedUuidList); //TODO: Modify API name to have unified convention.
+ OIC_LOG(INFO, TAG, "OUT SRPRemoveDeviceWithoutDiscovery");
+
+ return totalRes; // Caller of this API should wait callback if totalRes == OC_STACK_OK.
+
+error:
+ PDMDestoryOicUuidLinkList(pLinkedUuidList);
+ PMDeleteDeviceList(pLinkedDevList);
+ if (removeData)
+ {
+ OICFree(removeData->revokeTargetDev);
+ OICFree(removeData->removeRes);
+ OICFree(removeData);
+ }
+ OIC_LOG(INFO, TAG, "OUT ERROR case SRPRemoveDeviceWithoutDiscovery");
+ return res;
+}
+
+/*