-/******************************************************************
+/* ****************************************************************
*
* Copyright 2014 Samsung Electronics All Rights Reserved.
*
******************************************************************/
/**
- * @file cainterface.h
- * @brief This file contains the APIs for Resource Model to use
+ * @file
+ *
+ * This file contains the APIs for Resource Model to use.
*/
-#ifndef __CA_INTERFACE_H_
-#define __CA_INTERFACE_H_
+#ifndef CA_INTERFACE_H_
+#define CA_INTERFACE_H_
/**
- * Connectivity Abstraction Interface Description APIs.
+ * Connectivity Abstraction Interface APIs.
*/
#include "cacommon.h"
+#ifdef __WITH_DTLS__
+#include "ocsecurityconfig.h"
+#endif
+
#ifdef __cplusplus
extern "C"
{
#endif
/**
- * @brief Callback function type for request delivery.
- * requestInfo contains different parameters for resource model to understand about the request.
- * @param object [OUT] Endpoint object from which the request is received. It contains endpoint
- * address based on the connectivity type.
- * @param requestInfo [OUT] Identifier which needs to be sent with request.
+ * Callback function type for request delivery.
+ * @param[out] object Endpoint object from which the request is received.
+ * It contains endpoint address based on the connectivity type.
+ * @param[out] requestInfo Info for resource model to understand about the request.
*/
-typedef void (*CARequestCallback)(CARemoteEndpoint_t* object, CARequestInfo_t* requestInfo);
+typedef void (*CARequestCallback)(const CAEndpoint_t *object,
+ const CARequestInfo_t *requestInfo);
+
+/**
+ * Callback function type for response delivery.
+ * @param[out] object Endpoint object from which the response is received.
+ * @param[out] responseInfo Identifier which needs to be mapped with response.
+ */
+typedef void (*CAResponseCallback)(const CAEndpoint_t *object,
+ const CAResponseInfo_t *responseInfo);
+/**
+ * Callback function type for error.
+ * @param[out] object remote device information.
+ * @param[out] errorInfo CA Error information.
+ */
+typedef void (*CAErrorCallback)(const CAEndpoint_t *object,
+ const CAErrorInfo_t *errorInfo);
+
+#ifdef __WITH_DTLS__
+
+/**
+ * Binary blob containing device identity and the credentials for all devices
+ * trusted by this device.
+ */
+typedef struct
+{
+ unsigned char identity[DTLS_PSK_ID_LEN]; /** identity of self. */
+ uint32_t num; /** number of credentials in this blob. */
+ OCDtlsPskCreds *creds; /** list of credentials. Size of this
+ array is determined by 'num' variable. */
+} CADtlsPskCredsBlob_t;
/**
- * @brief Callback function type for response delivery.
- * responseInfor contains different parameters for resource model to understand about the request.
- * @param object [OUT] Endpoint object from which the response is received.
- * @param responseInfo [OUT] Identifier which needs to be mapped with response.
+ * Callback function type for getting DTLS credentials.
+ * @param[out] credInfo DTLS credentials info. Handler has to allocate new memory for.
+ * both credInfo and credInfo->creds which is then freed by CA.
*/
-typedef void (*CAResponseCallback)(CARemoteEndpoint_t* object, CAResponseInfo_t* responseInfo);
+typedef void (*CAGetDTLSCredentialsHandler)(CADtlsPskCredsBlob_t **credInfo);
+#endif //__WITH_DTLS__
/**
- * @brief Initialize the connectivity abstraction module.
- * It will initialize adapters, thread pool and other modules based on the platform compilation options.
+ * Initialize the connectivity abstraction module.
+ * It will initialize adapters, thread pool and other modules based on the platform
+ * compilation options.
*
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED or ::CA_MEMORY_ALLOC_FAILED
*/
CAResult_t CAInitialize();
/**
- * @brief Terminate the connectivity abstraction module.
- * All threads, data structures are destroyed for next initializations.
+ * Terminate the connectivity abstraction module.
+ * All threads, data structures are destroyed for next initializations.
*/
void CATerminate();
/**
- * @brief Starts listening servers.
- * This API is used by resource hosting server for listening multicast requests.
- * based on the adapters configurations , different kinds of servers are started.
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Starts listening servers.
+ * This API is used by resource hosting server for listening multicast requests.
+ * Based on the adapters configurations, different kinds of servers are started.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED
*/
CAResult_t CAStartListeningServer();
/**
- * @brief Starts discovery servers.
- * This API is used by resource required clients for listening multicast requests.
- * based on the adapters configurations , different kinds of servers are started.
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Starts discovery servers.
+ * This API is used by resource required clients for listening multicast requests.
+ * Based on the adapters configurations, different kinds of servers are started.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED
*/
CAResult_t CAStartDiscoveryServer();
/**
- * @brief Register request callbacks and response callbacks.
- * requests and responses are delivered these callbacks .
- * @see CARequestCallback CAResponseCallback
- * @param ReqHandler [IN] Request callback ( for GET,PUT ..etc)
- * @param RespHandler [IN] Response Handler Callback
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Register request callbacks and response callbacks.
+ * Requests and responses are delivered these callbacks.
+ * @param[in] ReqHandler Request callback ( for GET,PUT ..etc).
+ * @param[in] RespHandler Response Handler Callback.
+ * @see CARequestCallback
+ * @see CAResponseCallback
+ * @see CAErrorCallback
*/
-CAResult_t CARegisterHandler(CARequestCallback ReqHandler, CAResponseCallback RespHandler);
+void CARegisterHandler(CARequestCallback ReqHandler, CAResponseCallback RespHandler,
+ CAErrorCallback ErrorHandler);
+#ifdef __WITH_DTLS__
/**
- * @brief Create a Remote endpoint if the URI is available already.
- * for FindResource-> unicast requests , this API is used.
- * FindResource(URI)-> CACreateRemoteEndpoint , CASendRequest(GET)
- * @param uri [IN] Absolute URI of the resource to be used to generate the Remote endpoint
- * for ex : coap://10.11.12.13:4545/resource_uri ( for IP)
- * coap://10:11:12:13:45:45/resource_uri ( for BT)
- * @param object [OUT ] Endpoint object which contains the above parsed data
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Register callback to get DTLS PSK credentials.
+ * @param[in] GetDTLSCredentials GetDTLS Credetials callback.
+ * @return ::CA_STATUS_OK
*/
-CAResult_t CACreateRemoteEndpoint(const CAURI_t uri, CARemoteEndpoint_t** object);
+CAResult_t CARegisterDTLSCredentialsHandler(CAGetDTLSCredentialsHandler GetDTLSCredentials);
+#endif //__WITH_DTLS__
/**
- * @brief API Destroy the remote endpoint created
- * @param object [IN] endpoint object created with CACreateRemoteEndpoint
+ * Create an endpoint description.
+ * @param[in] flags how the adapter should be used.
+ * @param[in] adapter which adapter to use.
+ * @param[in] addr string representation of address.
+ * @param[in] port port (for IP_ADAPTER).
+ * @param[in] endpoint Endpoint which contains the above.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED
+ * @remark The created Remote endpoint can be freed using CADestroyEndpoint().
+ * @see CADestroyEndpoint
*/
-void CADestroyRemoteEndpoint(CARemoteEndpoint_t* object);
+CAResult_t CACreateEndpoint(CATransportFlags_t flags,
+ CATransportAdapter_t adapter,
+ const char *addr,
+ uint16_t port,
+ CAEndpoint_t **object);
/**
- * @brief Generating the token for the requests/response.
- * Token memory is created and destroyed by the calle.
- * @param token [OUT] token for the request
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Destroy the remote endpoint created.
+ * @param[in] object Remote Endpoint object created with CACreateEndpoint.
*/
-CAResult_t CAGenerateToken(CAToken_t* token);
+void CADestroyEndpoint(CAEndpoint_t *object);
/**
- * @brief Destroy the token generated by CAGenerateToken
- * @param token [IN] token for the request
+ * Generating the token for matching the request and response.
+ * @param[in] token Token for the request.
+ * @param[in] tokenLength length of the token.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED or
+ * ::CA_MEMORY_ALLOC_FAILED or ::CA_STATUS_NOT_INITIALIZED
+ * @remark Token memory is destroyed by the caller using CADestroyToken().
+ * @see CADestroyToken
+ */
+CAResult_t CAGenerateToken(CAToken_t *token, uint8_t tokenLength);
+
+/**
+ * Destroy the token generated by CAGenerateToken.
+ * @param[in] token token to be freed.
*/
void CADestroyToken(CAToken_t token);
/**
- * @brief Find the resource in the network. This API internally sends multicast messages on the
- * all connectivity adapters. Responses are delivered via response callbacks.
- *
- * @param resourceUri [IN] Uri to send multicast search request
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Send control Request on a resource.
+ * @param[in] object Endpoint where the payload need to be sent.
+ * This endpoint is delivered with Request or response callback.
+ * @param[in] requestInfo Information for the request.
+ * @return ::CA_STATUS_OK ::CA_STATUS_FAILED ::CA_MEMORY_ALLOC_FAILED
*/
-CAResult_t CAFindResource(const CAURI_t resourceUri);
+CAResult_t CASendRequest(const CAEndpoint_t *object, const CARequestInfo_t *requestInfo);
/**
- * @brief Send control Request on a resource
- * @param object [IN] Remote Endpoint where the payload need to be sent.
- * This Remote endpoint is delivered with Request or response callback.
- * @param requestInfo [IN ] information for the request.
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Send the response.
+ * @param[in] object Endpoint where the payload need to be sent.
+ * This endpoint is delivered with Request or response callback.
+ * @param[in] responseInfo Information for the response.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED or ::CA_MEMORY_ALLOC_FAILED
*/
-CAResult_t CASendRequest(const CARemoteEndpoint_t* object, CARequestInfo_t* requestInfo);
+CAResult_t CASendResponse(const CAEndpoint_t *object, const CAResponseInfo_t *responseInfo);
/**
- * @brief Sendi the response
- * @param object [IN] Remote Endpoint where the payload need to be sent.
- * This Remote endpoint is delivered with Request or response callback
- * @param responseInfo [IN ] information for the response
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Send notification to the remote object.
+ * @param[in] object Endpoint where the payload need to be sent.
+ * This endpoint is delivered with Request or response callback.
+ * @param[in] responseInfo Information for the response.
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED or ::CA_MEMORY_ALLOC_FAILED
*/
-CAResult_t CASendResponse(const CARemoteEndpoint_t* object, CAResponseInfo_t* responseInfo);
+CAResult_t CASendNotification(const CAEndpoint_t *object,
+ const CAResponseInfo_t *responseInfo);
/**
- * @brief Send notification to the remote object
- * @param object [IN] Remote Endpoint where the payload need to be sent.
- * This Remote endpoint is delivered with Request or response callback.
- * @param responseInfo [IN ] information for the response.
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Select network to use.
+ * @param[in] interestedNetwork Connectivity Type enum.
+ * @return ::CA_STATUS_OK or ::CA_NOT_SUPPORTED or
+ * ::CA_STATUS_FAILED or ::CA_NOT_SUPPORTED
*/
-CAResult_t CASendNotification(const CARemoteEndpoint_t* object, CAResponseInfo_t* responseInfo);
+CAResult_t CASelectNetwork(CATransportAdapter_t interestedNetwork);
/**
- * @brief for advertise the resource
- * @param resourceUri [IN] URI to be advertised
- * @param options [IN] header options information
- * @param numOptions [IN] number of options
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Select network to unuse.
+ * @param[in] nonInterestedNetwork Connectivity Type enum.
+ * @return ::CA_STATUS_OK or ::CA_NOT_SUPPORTED or ::CA_STATUS_FAILED
*/
-CAResult_t CAAdvertiseResource(const CAURI_t resourceUri, CAHeaderOption_t* options,
- uint8_t numOptions);
+CAResult_t CAUnSelectNetwork(CATransportAdapter_t nonInterestedNetwork);
/**
- * @brief Select network to use
- * @param interestedNetwork [IN] Connectivity Type enum
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Get network information.
+ * It should be destroyed by the caller as it Get Information.
+ * @param[out] info LocalConnectivity objects
+ * @param[out] size No Of Array objects
+ * @return ::CA_STATUS_OK or ::CA_STATUS_FAILED or
+ * ::CA_STATUS_INVALID_PARAM or ::CA_MEMORY_ALLOC_FAILED
*/
-CAResult_t CASelectNetwork(const uint32_t interestedNetwork);
+CAResult_t CAGetNetworkInformation(CAEndpoint_t **info, uint32_t *size);
/**
- * @brief Select network to unuse
- * @param nonInterestedNetwork [IN] Connectivity Type enum
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * To Handle the Request or Response.
+ * @return ::CA_STATUS_OK
*/
-CAResult_t CAUnSelectNetwork(const uint32_t nonInterestedNetwork);
+CAResult_t CAHandleRequestResponse();
+#ifdef RA_ADAPTER
/**
- * @brief Get network information
- * It should be destroyed by the caller as its Get Information.
- * @param info [OUT] LocalConnectivity objects
- * @param size [OUT] No Of Array objects
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Set Remote Access information for XMPP Client.
+ * @param[in] caraInfo remote access info.
+ *
+ * @return ::CA_STATUS_OK
*/
-CAResult_t CAGetNetworkInformation(CALocalConnectivityt_t **info, uint32_t* size);
+CAResult_t CASetRAInfo(const CARAInfo_t *caraInfo);
+#endif
+
+
+#ifdef __WITH_DTLS__
/**
- * @brief for usage of singled threaded application.
- * @return CA_STATUS_OK or ERROR CODES ( CAResult_t error codes in cacommon.h)
+ * Select the cipher suite for dtls handshake.
+ *
+ * @param[in] cipher cipher suite (Note : Make sure endianness).
+ * 0xC018 : TLS_ECDH_anon_WITH_AES_128_CBC_SHA
+ * 0xC0A8 : TLS_PSK_WITH_AES_128_CCM_8
+ * 0xC0AE : TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
+ *
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_INVALID_PARAM Invalid input arguments.
+ * @retval ::CA_STATUS_FAILED Operation failed.
*/
-CAResult_t CAHandleRequestResponse();
+CAResult_t CASelectCipherSuite(const uint16_t cipher);
+
+/**
+ * Enable TLS_ECDH_anon_WITH_AES_128_CBC_SHA cipher suite in dtls.
+ *
+ * @param[in] enable TRUE/FALSE enables/disables anonymous cipher suite.
+ *
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ *
+ * @note anonymous cipher suite should only be enabled for 'JustWorks' provisioning.
+ */
+CAResult_t CAEnableAnonECDHCipherSuite(const bool enable);
+
+
+/**
+ * Generate ownerPSK using PRF.
+ * OwnerPSK = TLS-PRF('master key' , 'oic.sec.doxm.jw',
+ * 'ID of new device(Resource Server)',
+ * 'ID of owner smart-phone(Provisioning Server)')
+ *
+ * @param[in] endpoint information of network address.
+ * @param[in] label Ownership transfer method e.g)"oic.sec.doxm.jw".
+ * @param[in] labelLen Byte length of label.
+ * @param[in] rsrcServerDeviceID ID of new device(Resource Server).
+ * @param[in] rsrcServerDeviceIDLen Byte length of rsrcServerDeviceID.
+ * @param[in] provServerDeviceID label of previous owner.
+ * @param[in] provServerDeviceIDLen byte length of provServerDeviceID.
+ * @param[in,out] ownerPSK Output buffer for owner PSK.
+ * @param[in] ownerPSKSize Byte length of the ownerPSK to be generated.
+ *
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+CAResult_t CAGenerateOwnerPSK(const CAEndpoint_t *endpoint,
+ const uint8_t* label, const size_t labelLen,
+ const uint8_t* rsrcServerDeviceID,
+ const size_t rsrcServerDeviceIDLen,
+ const uint8_t* provServerDeviceID,
+ const size_t provServerDeviceIDLen,
+ uint8_t* ownerPSK, const size_t ownerPSKSize);
+
+/**
+ * Initiate DTLS handshake with selected cipher suite.
+ *
+ * @param[in] endpoint information of network address.
+ *
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+CAResult_t CAInitiateHandshake(const CAEndpoint_t *endpoint);
+
+/**
+ * Close the DTLS session.
+ *
+ * @param[in] endpoint information of network address.
+ *
+ * @retval ::CA_STATUS_OK Successful.
+ * @retval ::CA_STATUS_FAILED Operation failed.
+ */
+CAResult_t CACloseDtlsSession(const CAEndpoint_t *endpoint);
+
+#endif /* __WITH_DTLS__ */
#ifdef __cplusplus
} /* extern "C" */
#endif
-#endif
+#endif /* CA_INTERFACE_H_ */
+