#include "cJSON.h"
#include "pmtypes.h"
#include "pmutility.h"
+#include "provisioningdatabasemanager.h"
+#include "base64.h"
+#include "utlist.h"
-#define SRP_MAX_URI_LENGTH 512
#define TAG "SRPAPI"
/**
int numOfResults; /**< Number of results in result array.**/
};
+// Enum type index for unlink callback.
+typedef enum {
+ IDX_FIRST_DEVICE_RES = 0, // index for resulf of the first device
+ IDX_SECOND_DEVICE_RES, // index for result of the second device
+ IDX_DB_UPDATE_RES // index for result of updating provisioning database.
+} IdxUnlinkRes_t;
+
+// Structure to carry unlink APIs data to callback.
+typedef struct UnlinkData UnlinkData_t;
+struct UnlinkData {
+ void *ctx;
+ OCProvisionDev_t* unlinkDev; /**< Pointer to OCProvisionDev_t to be unlinked.**/
+ OCProvisionResult_t* unlinkRes; /**< Result array.**/
+ OCProvisionResultCB resultCallback; /**< Pointer to result callback.**/
+ int numOfResults; /**< Number of results in result array.**/
+};
+
+//Example of DELETE cred request -> coaps://0.0.0.0:5684/oic/sec/cred?sub=(BASE64 ENCODED UUID)
+const char * SRP_FORM_DELETE_CREDENTIAL = "coaps://[%s]:%d%s?%s=%s";
+
+// Structure to carry remove APIs data to callback.
+typedef struct RemoveData RemoveData_t;
+struct RemoveData {
+ void *ctx;
+ OCProvisionDev_t* revokeTargetDev; /**< Device which is going to be revoked..**/
+ OCProvisionDev_t* linkedDevList; /**< A list of devices which have invalid credential.**/
+ OCProvisionResult_t* removeRes; /**< Result array.**/
+ OCProvisionResultCB resultCallback; /**< Pointer to result callback.**/
+ size_t numOfResults; /**< Number of results in result array.**/
+ size_t sizeOfResArray;
+ bool hasError;
+};
+
/**
* Function prototype
*/
if(OC_STACK_RESOURCE_CREATED == clientResponse->result)
{
registerResultForCredProvisioning(credData, OC_STACK_RESOURCE_CREATED, 2);
+ OCStackResult res = PDMLinkDevices(&credData->deviceInfo1->doxm->deviceID,
+ &credData->deviceInfo2->doxm->deviceID);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(ERROR, TAG, "Error occured on PDMLinkDevices");
+ return OC_STACK_DELETE_TRANSACTION;
+ }
+ OC_LOG(INFO, TAG, "Link created successfully");
+
((OCProvisionResultCB)(resultCallback))(credData->ctx, credData->numOfResults,
credData->resArr,
false);
VERIFY_SUCCESS(TAG, (OC_STACK_OK == ret), ERROR, OC_STACK_ERROR);
return OC_STACK_OK;
}
+
+static void DeleteUnlinkData_t(UnlinkData_t *unlinkData)
+{
+ if (unlinkData)
+ {
+ OICFree(unlinkData->unlinkDev);
+ OICFree(unlinkData->unlinkRes);
+ OICFree(unlinkData);
+ }
+}
+
+static void registerResultForUnlinkDevices(UnlinkData_t *unlinkData, OCStackResult stackresult,
+ IdxUnlinkRes_t idx)
+{
+ if (NULL != unlinkData)
+ {
+ OC_LOG_V(INFO, TAG, "Inside registerResultForUnlinkDevices unlinkData->numOfResults is %d\n",
+ unlinkData->numOfResults);
+ OC_LOG_V(INFO, TAG, "Stack result :: %d", stackresult);
+
+ OicUuid_t *pUuid = &unlinkData->unlinkRes[(unlinkData->numOfResults)].deviceId;
+
+ // Set result in the result array according to the position (devNum).
+ if (idx != IDX_DB_UPDATE_RES)
+ {
+ memcpy(pUuid->id, unlinkData->unlinkDev[idx].doxm->deviceID.id, sizeof(pUuid->id));
+ }
+ else
+ { // When deivce ID is 000... this means it's the result of database update.
+ memset(pUuid->id, 0, sizeof(pUuid->id));
+ }
+ unlinkData->unlinkRes[(unlinkData->numOfResults)].res = stackresult;
+ ++(unlinkData->numOfResults);
+ OC_LOG (INFO, TAG, "Out registerResultForUnlinkDevices");
+ }
+}
+
+static OCStackResult SendDeleteCredentialRequest(void* ctx,
+ OCClientResponseHandler respHandler,
+ const OCProvisionDev_t* revokedDev,
+ const OCProvisionDev_t* destDev)
+{
+ OC_LOG(DEBUG, TAG, "IN SendDeleteCredentialRequest");
+
+ if (NULL == ctx || NULL == respHandler || NULL == revokedDev || NULL == destDev)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ char base64Buff[B64ENCODE_OUT_SAFESIZE(sizeof(revokedDev->doxm->deviceID.id)) + 1] = {};
+ uint32_t base64Len = 0;
+ if (B64_OK != b64Encode(revokedDev->doxm->deviceID.id, sizeof(revokedDev->doxm->deviceID.id),
+ base64Buff, sizeof(base64Buff), &base64Len))
+ {
+ OC_LOG(ERROR, TAG, "SendDeleteCredentialRequest : Failed to base64 encoding");
+ return OC_STACK_ERROR;
+ }
+
+ char reqBuf[MAX_URI_LENGTH + MAX_QUERY_LENGTH] = {0};
+ int snRet = 0;
+ //coaps://0.0.0.0:5684/oic/sec/cred?sub=(BASE64 ENCODED UUID)
+ snRet = snprintf(reqBuf, sizeof(reqBuf), SRP_FORM_DELETE_CREDENTIAL, destDev->endpoint.addr,
+ destDev->securePort, OIC_RSRC_CRED_URI, OIC_JSON_SUBJECT_NAME, base64Buff);
+ if (snRet < 0)
+ {
+ OC_LOG_V(ERROR, TAG, "SendDeleteCredentialRequest : Error (snprintf) %d\n", snRet);
+ return OC_STACK_ERROR;
+ }
+ else if ((size_t)snRet >= sizeof(reqBuf))
+ {
+ OC_LOG_V(ERROR, TAG, "SendDeleteCredentialRequest : Truncated (snprintf) %d\n", snRet);
+ return OC_STACK_ERROR;
+ }
+
+ OCCallbackData cbData;
+ memset(&cbData, 0, sizeof(cbData));
+ cbData.context = ctx;
+ cbData.cb = respHandler;
+ cbData.cd = NULL;
+ OC_LOG_V(INFO, TAG, "URI: %s",reqBuf);
+
+ OC_LOG(DEBUG, TAG, "Sending remove credential request to resource server");
+
+ OCStackResult ret = OCDoResource(NULL, OC_REST_DELETE, reqBuf,
+ &destDev->endpoint, NULL,
+ CT_ADAPTER_IP, OC_HIGH_QOS, &cbData, NULL, 0);
+ if (OC_STACK_OK != ret)
+ {
+ OC_LOG_V(ERROR, TAG, "SendDeleteCredentialRequest : Error in OCDoResource %d", ret);
+ }
+ OC_LOG(DEBUG, TAG, "OUT SendDeleteCredentialRequest");
+
+ return ret;
+}
+
+/**
+ * Callback handler of unlink second device.
+ *
+ * @param[in] ctx ctx value passed to callback from calling function.
+ * @param[in] handle handle to an invocation
+ * @param[in] clientResponse Response from queries to remote servers.
+ * @return OC_STACK_DELETE_TRANSACTION to delete the transaction and
+ * OC_STACK_KEEP_TRANSACTION to keep it.
+ */
+static OCStackApplicationResult SRPUnlinkDevice2CB(void *unlinkCtx, OCDoHandle handle,
+ OCClientResponse *clientResponse)
+{
+ (void) handle;
+ OC_LOG(DEBUG, TAG, "IN SRPUnlinkDevice2CB");
+ VERIFY_NON_NULL(TAG, unlinkCtx, ERROR, OC_STACK_DELETE_TRANSACTION);
+ UnlinkData_t* unlinkData = (UnlinkData_t*)unlinkCtx;
+
+ if (clientResponse)
+ {
+ OC_LOG(DEBUG, TAG, "Valid client response for device 2");
+ registerResultForUnlinkDevices(unlinkData, clientResponse->result, IDX_SECOND_DEVICE_RES);
+
+ if (OC_STACK_RESOURCE_DELETED == clientResponse->result)
+ {
+ OC_LOG(DEBUG, TAG, "Credential of device2 revoked");
+ }
+ else
+ {
+ OC_LOG(ERROR, TAG, "Unable to delete credential information from device 2");
+ unlinkData->resultCallback(unlinkData->ctx,
+ unlinkData->numOfResults, unlinkData->unlinkRes, true);
+ goto error;
+ }
+ }
+ else
+ {
+ registerResultForUnlinkDevices(unlinkData, OC_STACK_INVALID_REQUEST_HANDLE,
+ IDX_SECOND_DEVICE_RES);
+ unlinkData->resultCallback(unlinkData->ctx,
+ unlinkData->numOfResults, unlinkData->unlinkRes, true);
+ OC_LOG(ERROR, TAG, "SRPUnlinkDevice2CB received Null clientResponse");
+ goto error;
+ }
+
+ //Update provisioning DB when succes case.
+ if (OC_STACK_OK != PDMUnlinkDevices(&unlinkData->unlinkDev[0].doxm->deviceID,
+ &unlinkData->unlinkDev[1].doxm->deviceID))
+ {
+ OC_LOG(FATAL, TAG, "All requests are successfully done but update provisioning DB FAILED.");
+ registerResultForUnlinkDevices(unlinkData, OC_STACK_INCONSISTENT_DB, IDX_DB_UPDATE_RES);
+ unlinkData->resultCallback(unlinkData->ctx,
+ unlinkData->numOfResults, unlinkData->unlinkRes, true);
+ goto error;
+ }
+ unlinkData->resultCallback(unlinkData->ctx, unlinkData->numOfResults, unlinkData->unlinkRes,
+ false);
+
+error:
+ DeleteUnlinkData_t(unlinkData);
+ OC_LOG(DEBUG, TAG, "OUT SRPUnlinkDevice2CB");
+ return OC_STACK_DELETE_TRANSACTION;
+
+}
+
+/**
+ * Callback handler of unlink first device.
+ *
+ * @param[in] ctx ctx value passed to callback from calling function.
+ * @param[in] handle handle to an invocation
+ * @param[in] clientResponse Response from queries to remote servers.
+ * @return OC_STACK_DELETE_TRANSACTION to delete the transaction and
+ * OC_STACK_KEEP_TRANSACTION to keep it.
+ */
+static OCStackApplicationResult SRPUnlinkDevice1CB(void *unlinkCtx, OCDoHandle handle,
+ OCClientResponse *clientResponse)
+{
+ OC_LOG_V(INFO, TAG, "Inside SRPUnlinkDevice1CB ");
+ VERIFY_NON_NULL(TAG, unlinkCtx, ERROR, OC_STACK_DELETE_TRANSACTION);
+ UnlinkData_t* unlinkData = (UnlinkData_t*)unlinkCtx;
+ (void) handle;
+
+ if (clientResponse)
+ {
+ OC_LOG(DEBUG, TAG, "Valid client response for device 1");
+ registerResultForUnlinkDevices(unlinkData, clientResponse->result, IDX_FIRST_DEVICE_RES);
+
+ if (OC_STACK_RESOURCE_DELETED == clientResponse->result)
+ {
+ OC_LOG(DEBUG, TAG, "Credential of device 1 is revoked");
+
+ // Second revocation request to second device.
+ OCStackResult res = SendDeleteCredentialRequest((void*)unlinkData, &SRPUnlinkDevice2CB,
+ &unlinkData->unlinkDev[0],
+ &unlinkData->unlinkDev[1] /*Dest*/);
+ OC_LOG_V(DEBUG, TAG, "Credential revocation request device 2, result :: %d",res);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(ERROR, TAG, "Error while sending revocation request for device 2");
+ registerResultForUnlinkDevices(unlinkData, OC_STACK_INVALID_REQUEST_HANDLE,
+ IDX_SECOND_DEVICE_RES);
+ unlinkData->resultCallback(unlinkData->ctx,
+ unlinkData->numOfResults, unlinkData->unlinkRes, true);
+ goto error;
+ }
+ else
+ {
+ OC_LOG(DEBUG, TAG, "Request for credential revocation successfully sent");
+ return OC_STACK_DELETE_TRANSACTION;
+ }
+ }
+ else
+ {
+ OC_LOG(ERROR, TAG, "Unable to delete credential information from device 1");
+
+ unlinkData->resultCallback(unlinkData->ctx, unlinkData->numOfResults,
+ unlinkData->unlinkRes, true);
+ goto error;
+ }
+ }
+ else
+ {
+ OC_LOG(DEBUG, TAG, "Invalid response from server");
+ registerResultForUnlinkDevices(unlinkData, OC_STACK_INVALID_REQUEST_HANDLE,
+ IDX_FIRST_DEVICE_RES );
+ unlinkData->resultCallback(unlinkData->ctx,
+ unlinkData->numOfResults, unlinkData->unlinkRes,
+ true);
+ OC_LOG(ERROR, TAG, "SRPUnlinkDevice1CB received Null clientResponse");
+ }
+
+error:
+ OC_LOG_V(INFO, TAG, "Out SRPUnlinkDevice1CB");
+ DeleteUnlinkData_t(unlinkData);
+ return OC_STACK_DELETE_TRANSACTION;
+}
+
+/*
+* Function to unlink devices.
+* This function will remove the credential & relationship between the two devices.
+*
+* @param[in] ctx Application context would be returned in result callback
+* @param[in] pTargetDev1 first device information to be unlinked.
+* @param[in] pTargetDev2 second device information to be unlinked.
+* @param[in] resultCallback callback provided by API user, callback will be called when
+* device unlink is finished.
+ * @return OC_STACK_OK in case of success and other value otherwise.
+*/
+OCStackResult SRPUnlinkDevices(void* ctx,
+ const OCProvisionDev_t* pTargetDev1,
+ const OCProvisionDev_t* pTargetDev2,
+ OCProvisionResultCB resultCallback)
+{
+ OC_LOG(INFO, TAG, "IN SRPUnlinkDevices");
+
+ if (!pTargetDev1 || !pTargetDev2 || !resultCallback)
+ {
+ OC_LOG(INFO, TAG, "SRPUnlinkDevices : NULL parameters");
+ return OC_STACK_INVALID_PARAM;
+ }
+ OC_LOG(INFO, TAG, "Unlinking following devices: ");
+ PMPrintOCProvisionDev(pTargetDev1);
+ PMPrintOCProvisionDev(pTargetDev2);
+
+ // Mark the link status stale
+ OCStackResult res = PDMSetLinkStale(&pTargetDev1->doxm->deviceID, &pTargetDev2->doxm->deviceID);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(FATAL, TAG, "unable to update DB. Try again.");
+ return res;
+ }
+
+ UnlinkData_t* unlinkData = (UnlinkData_t*)OICCalloc(1, sizeof(UnlinkData_t));
+ VERIFY_NON_NULL(TAG, unlinkData, ERROR, OC_STACK_NO_MEMORY);
+
+ //Initialize unlink data
+ unlinkData->ctx = ctx;
+ unlinkData->unlinkDev = (OCProvisionDev_t*)OICCalloc(2, sizeof(OCProvisionDev_t));
+ if (NULL == unlinkData->unlinkDev)
+ {
+ OC_LOG(ERROR, TAG, "Memory allocation failed");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ unlinkData->unlinkRes = (OCProvisionResult_t*)OICCalloc(3, sizeof(OCProvisionResult_t));
+ if (NULL == unlinkData->unlinkRes)
+ {
+ OC_LOG(ERROR, TAG, "Memory allocation failed");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ memcpy(&unlinkData->unlinkDev[0], pTargetDev1, sizeof(OCProvisionDev_t));
+ memcpy(&unlinkData->unlinkDev[1], pTargetDev2, sizeof(OCProvisionDev_t));
+
+ unlinkData->numOfResults = 0;
+ unlinkData->resultCallback = resultCallback;
+
+ res = SendDeleteCredentialRequest((void*)unlinkData, &SRPUnlinkDevice1CB,
+ &unlinkData->unlinkDev[1], &unlinkData->unlinkDev[0]);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(ERROR, TAG, "SRPUnlinkDevices : SendDeleteCredentialRequest failed");
+ goto error;
+ }
+
+ return res;
+
+error:
+ OC_LOG(INFO, TAG, "OUT SRPUnlinkDevices");
+ DeleteUnlinkData_t(unlinkData);
+ return res;
+}
+
+static void DeleteRemoveData_t(RemoveData_t* pRemoveData)
+{
+ if (pRemoveData)
+ {
+ OICFree(pRemoveData->revokeTargetDev);
+ OCDeleteDiscoveredDevices(pRemoveData->linkedDevList);
+ OICFree(pRemoveData->removeRes);
+ OICFree(pRemoveData);
+ }
+}
+
+static void registerResultForRemoveDevice(RemoveData_t *removeData, OicUuid_t *pLinkedDevId,
+ OCStackResult stackresult, bool hasError)
+{
+ OC_LOG_V(INFO, TAG, "Inside registerResultForRemoveDevice removeData->numOfResults is %d\n",
+ removeData->numOfResults + 1);
+ if (pLinkedDevId)
+ {
+ memcpy(removeData->removeRes[(removeData->numOfResults)].deviceId.id,
+ &pLinkedDevId->id, sizeof(pLinkedDevId->id));
+ }
+ else
+ {
+ memset(removeData->removeRes[(removeData->numOfResults)].deviceId.id,
+ 0, sizeof(pLinkedDevId->id) );
+ }
+ removeData->removeRes[(removeData->numOfResults)].res = stackresult;
+ removeData->hasError = hasError;
+ ++(removeData->numOfResults);
+
+ // If we get suffcient result from linked devices, we have to call user callback and do free
+ if (removeData->sizeOfResArray == removeData->numOfResults)
+ {
+ removeData->resultCallback(removeData->ctx, removeData->numOfResults, removeData->removeRes,
+ removeData->hasError);
+ DeleteRemoveData_t(removeData);
+ }
+ }
+
+/**
+ * Callback handler of unlink first device.
+ *
+ * @param[in] ctx ctx value passed to callback from calling function.
+ * @param[in] handle handle to an invocation
+ * @param[in] clientResponse Response from queries to remote servers.
+ * @return OC_STACK_DELETE_TRANSACTION to delete the transaction
+ * and OC_STACK_KEEP_TRANSACTION to keep it.
+ */
+static OCStackApplicationResult SRPRemoveDeviceCB(void *delDevCtx, OCDoHandle handle,
+ OCClientResponse *clientResponse)
+{
+ //Update the delete credential into delete device context
+ //Save the deleted status in delDevCtx
+ (void)handle;
+ OC_LOG_V(INFO, TAG, "Inside SRPRemoveDeviceCB.");
+ VERIFY_NON_NULL(TAG, delDevCtx, ERROR, OC_STACK_DELETE_TRANSACTION);
+ OCStackResult res = OC_STACK_ERROR;
+
+ RemoveData_t* removeData = (RemoveData_t*)delDevCtx;
+ if (clientResponse)
+ {
+ // If we can get device's UUID from OCClientResponse, it'd be good to use it in here
+ // but OCIdentity in OCClientResponse is emtpy now.
+ // It seems that we can set identity to CAData_t *cadata in CAPrepareSendData() API
+ // but CA doesn't have deviceID yet.
+ //
+ //TODO: Get OCIdentity from OCClientResponse and use it for 'registerResultForRemoveDevice'
+ // If we can't complete this task, Provisioning Database has always stale link status
+ // when Remove device is called.
+
+ if (OC_STACK_RESOURCE_DELETED == clientResponse->result)
+ {
+ res = PDMUnlinkDevices(&removeData->revokeTargetDev->doxm->deviceID,
+ NULL /*TODO: Replace NULL to uuid from OCClientResponse*/);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(FATAL, TAG, "PDMSetLinkStale() FAIL: PDB is an obsolete one.");
+ registerResultForRemoveDevice(removeData,
+ NULL /*TODO: Replace NULL to uuid from OCClientResponse*/,
+ OC_STACK_INCONSISTENT_DB, true);
+ return OC_STACK_DELETE_TRANSACTION;
+ }
+ registerResultForRemoveDevice(removeData,
+ NULL /*TODO: Replace NULL to uuid from OCClientResponse*/,
+ OC_STACK_RESOURCE_DELETED, false);
+ }
+ else
+ {
+ registerResultForRemoveDevice(removeData,
+ NULL /*TODO: Replace NULL to uuid from OCClientResponse*/,
+ clientResponse->result, true);
+ OC_LOG(ERROR, TAG, "Unexpected result from DELETE credential request!");
+ }
+ }
+ else
+ {
+ registerResultForRemoveDevice(removeData, NULL, OC_STACK_ERROR, true);
+ OC_LOG(ERROR, TAG, "SRPRemoveDevices received Null clientResponse");
+ }
+
+ return OC_STACK_DELETE_TRANSACTION;
+}
+
+static OCStackResult GetListofDevToReqDeleteCred(const OCProvisionDev_t* pRevokeTargetDev,
+ OCProvisionDev_t* pOwnedDevList,
+ OCUuidList_t* pLinkedUuidList,
+ OCProvisionDev_t** ppLinkedDevList,
+ size_t *numOfLinkedDev)
+{
+ // pOwnedDevList could be NULL. It means no alived and owned device now.
+ if (pRevokeTargetDev == NULL || pLinkedUuidList == NULL ||\
+ ppLinkedDevList == NULL || numOfLinkedDev == NULL)
+ {
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ size_t cnt = 0;
+ OCUuidList_t *curUuid = NULL, *tmpUuid = NULL;
+ LL_FOREACH_SAFE(pLinkedUuidList, curUuid, tmpUuid)
+ {
+ // Mark the link status stale.
+ OCStackResult res = PDMSetLinkStale(&curUuid->dev, &pRevokeTargetDev->doxm->deviceID);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(FATAL, TAG, "PDMSetLinkStale() FAIL: PDB is an obsolete one.");
+ return OC_STACK_INCONSISTENT_DB;
+ }
+
+ if (pOwnedDevList)
+ {
+ // If this linked device is alive (power-on), add the deivce to the list.
+ OCProvisionDev_t *curDev = NULL, *tmpDev = NULL;
+ LL_FOREACH_SAFE(pOwnedDevList, curDev, tmpDev)
+ {
+ if (memcmp(curDev->doxm->deviceID.id, curUuid->dev.id, sizeof(curUuid->dev.id)) == 0)
+ {
+ OCProvisionDev_t* targetDev = PMCloneOCProvisionDev(curDev);
+ if (NULL == targetDev)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevice : Cloning OCProvisionDev_t Failed.");
+ return OC_STACK_NO_MEMORY;
+ }
+
+ LL_PREPEND(*ppLinkedDevList, targetDev);
+ cnt++;
+ break;
+ }
+ }
+ }
+ }
+ *numOfLinkedDev = cnt;
+ return OC_STACK_OK;
+}
+
+/*
+* 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] waitTimeForOwnedDeviceDiscovery Maximum wait time for owned device discovery.(seconds)
+* @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 SRPRemoveDevice(void* ctx, unsigned short waitTimeForOwnedDeviceDiscovery,
+ const OCProvisionDev_t* pTargetDev, OCProvisionResultCB resultCallback)
+{
+ OC_LOG(INFO, TAG, "IN SRPRemoveDevice");
+
+ if (!pTargetDev || !resultCallback || 0 == waitTimeForOwnedDeviceDiscovery)
+ {
+ OC_LOG(INFO, TAG, "SRPRemoveDevice : NULL parameters");
+ return OC_STACK_INVALID_PARAM;
+ }
+
+ // Declare variables in here to handle error cases with goto statement.
+ OCProvisionDev_t* pOwnedDevList = NULL;
+ 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)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevice : Failed to get linked devices information");
+ return res;
+ }
+ // if there is no related device, we can skip further process.
+ if (0 == numOfDevices)
+ {
+ OC_LOG(DEBUG, TAG, "SRPRemoveDevice : No linked device found.");
+ res = OC_STACK_CONTINUE;
+ goto error;
+ }
+
+ //2. Find owned device from the network
+ res = PMDeviceDiscovery(waitTimeForOwnedDeviceDiscovery, true, &pOwnedDevList);
+ if (OC_STACK_OK != res)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevice : Failed to PMDeviceDiscovery");
+ goto error;
+ }
+
+ //3. 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)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevice : 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.
+ OC_LOG(DEBUG, TAG, "SRPRemoveDevice : No alived & linked device found.");
+ res = OC_STACK_CONTINUE;
+ goto error;
+ }
+
+ // 4. Prepare RemoveData Context data.
+ removeData = (RemoveData_t*)OICCalloc(1, sizeof(RemoveData_t));
+ if (!removeData)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevices : Failed to memory allocation");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ removeData->revokeTargetDev = PMCloneOCProvisionDev(pTargetDev);
+ if (!removeData->revokeTargetDev)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevices : PMCloneOCProvisionDev Failed");
+ res = OC_STACK_NO_MEMORY;
+ goto error;
+ }
+
+ removeData->removeRes =
+ (OCProvisionResult_t*)OICCalloc(numOfLinkedDev, sizeof(OCProvisionResult_t));
+ if (!removeData->removeRes)
+ {
+ OC_LOG(ERROR, TAG, "SRPRemoveDevices : 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)
+ {
+ OC_LOG_V(ERROR, TAG, "SRPRemoveDevice : 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.
+ PMDeleteDeviceList(pOwnedDevList);
+ OC_LOG(INFO, TAG, "OUT SRPRemoveDevice");
+
+ return totalRes; // Caller of this API should wait callback if totalRes == OC_STACK_OK.
+
+error:
+ PDMDestoryOicUuidLinkList(pLinkedUuidList);
+ PMDeleteDeviceList(pOwnedDevList);
+ PMDeleteDeviceList(pLinkedDevList);
+ if (removeData)
+ {
+ OICFree(removeData->revokeTargetDev);
+ OICFree(removeData->removeRes);
+ OICFree(removeData);
+ }
+ OC_LOG(INFO, TAG, "OUT ERROR case SRPRemoveDevice");
+ return res;
+}
projects / platform / upstream / iotivity.git / blobdiff