#include <m2msecurity.h>

Inheritance diagram for M2MSecurity:

Public Types
enum	SecurityResource { M2MServerUri, BootstrapServer, SecurityMode, PublicKey, ServerPublicKey, Secretkey, SMSSecurityMode, SMSBindingKey, SMSBindingSecretKey, M2MServerSMSNumber, ShortServerID, ClientHoldOffTime, OpenCertificateChain, CloseCertificateChain, ReadDeviceCertificateChain }
	An enum defining all resources associated with a Security Object in the LWM2M framework.

enum	SecurityModeType { SecurityNotSet = -1, Psk = 0, Certificate = 2, NoSecurity = 3, EST = 4 }
	An enum defining the type of the security attribute used by the Security Object.

enum	ServerType { M2MServer = 0x0, Bootstrap = 0x1, NotDefined =0x2 }
	An enum defining an interface operation that can be handled by the Security Object.

Public Types inherited from M2MBase
enum	BaseType { Object = 0x0, Resource = 0x1, ObjectInstance = 0x2, ResourceInstance = 0x3 }
	Enum to define the type of object.

enum	Observation { None = 0x0, R_Attribute = 0x01, OI_Attribute = 0x02, OIR_Attribute = 0x03, O_Attribute = 0x04, OR_Attribute = 0x05, OOI_Attribute = 0x06, OOIR_Attribute = 0x07 }
	Enum to define observation level.

enum	Mode { Static, Dynamic, Directory }
	Enum defining a resource type. More...

enum	DataType { STRING, INTEGER, FLOAT, BOOLEAN, OPAQUE, TIME, OBJLINK }
	Enum defining a resource data type.

enum	Operation { NOT_ALLOWED = 0x00, GET_ALLOWED = 0x01, PUT_ALLOWED = 0x02, GET_PUT_ALLOWED = 0x03, POST_ALLOWED = 0x04, GET_POST_ALLOWED = 0x05, PUT_POST_ALLOWED = 0x06, GET_PUT_POST_ALLOWED = 0x07, DELETE_ALLOWED = 0x08, GET_DELETE_ALLOWED = 0x09, PUT_DELETE_ALLOWED = 0x0A, GET_PUT_DELETE_ALLOWED = 0x0B, POST_DELETE_ALLOWED = 0x0C, GET_POST_DELETE_ALLOWED = 0x0D, PUT_POST_DELETE_ALLOWED = 0x0E, GET_PUT_POST_DELETE_ALLOWED = 0x0F }
	Enum defining an operation that can be supported by a given resource. More...

enum	MessageDeliveryStatus { MESSAGE_STATUS_INIT = 0, MESSAGE_STATUS_BUILD_ERROR, MESSAGE_STATUS_RESEND_QUEUE_FULL, MESSAGE_STATUS_SENT, MESSAGE_STATUS_DELIVERED, MESSAGE_STATUS_SEND_FAILED, MESSAGE_STATUS_SUBSCRIBED, MESSAGE_STATUS_UNSUBSCRIBED, MESSAGE_STATUS_REJECTED }
	Enum defining an status codes that can happen when sending confirmable message. More...

enum	MessageType { NOTIFICATION = 0, DELAYED_POST_RESPONSE, BLOCK_SUBSCRIBE, PING, DELAYED_RESPONSE }

enum	MaxPathSize { MAX_NAME_SIZE = 64, MAX_INSTANCE_SIZE = 5, MAX_PATH_SIZE = ((MAX_NAME_SIZE * 2) + (MAX_INSTANCE_SIZE * 2) + 3 + 1), MAX_PATH_SIZE_2 = ((MAX_NAME_SIZE * 2) + MAX_INSTANCE_SIZE + 2 + 1), MAX_PATH_SIZE_3 = (MAX_NAME_SIZE + (MAX_INSTANCE_SIZE * 2) + 2 + 1), MAX_PATH_SIZE_4 = (MAX_NAME_SIZE + MAX_INSTANCE_SIZE + 1 + 1) }

typedef void(*	message_delivery_status_cb) (const M2MBase &base, const MessageDeliveryStatus status, const MessageType type, void *client_args)

typedef struct M2MBase::lwm2m_parameters	lwm2m_parameters_s
	LwM2M parameters. More...

Public Member Functions
M2MObjectInstance *	create_object_instance (ServerType server_type)
	Creates a new object instance. More...

M2MObjectInstance *	create_object_instance (uint16_t instance_id)
	Creates a new object instance. More...

void	remove_security_instances ()
	Remove all security object instances.

M2MResource *	create_resource (SecurityResource rescource, uint32_t value, uint16_t instance_id)
	Creates a new resource for a given resource enum. More...

bool	delete_resource (SecurityResource rescource, uint16_t instance_id)
	Deletes a resource with a given resource enum. Mandatory resources cannot be deleted. More...

bool	set_resource_value (SecurityResource resource, const String &value, uint16_t instance_id)
	Sets the value of a given resource enum. More...

bool	set_resource_value (SecurityResource resource, uint32_t value, uint16_t instance_id)
	Sets the value of a given resource enum. More...

bool	set_resource_value (SecurityResource resource, const uint8_t *value, const uint16_t length, uint16_t instance_id)
	Sets the value of a given resource enum. More...

String	resource_value_string (SecurityResource resource, uint16_t instance_id) const
	Returns the value of a given resource enum, in string format. More...

int	resource_value_buffer (SecurityResource resource, uint8_t &data, uint16_t instance_id, size_t buffer_len) const
	Populates the data buffer and returns the size of the buffer. More...

uint32_t	resource_value_buffer (SecurityResource resource, const uint8_t *&data, uint16_t instance_id) const
	Returns a pointer to the value and size of the buffer. More...

int	resource_value_buffer_size (SecurityResource resource, uint16_t instance_id, size_t *buffer_len) const
	Get a size of the buffer. More...

uint32_t	resource_value_int (SecurityResource resource, uint16_t instance_id) const
	Returns the value of a given resource name, in integer format. More...

bool	is_resource_present (SecurityResource resource, uint16_t instance_id) const
	Returns whether a resource instance with a given resource enum exists or not. More...

uint16_t	total_resource_count (uint16_t instance_id) const
	Returns the total number of resources for a security object. More...

ServerType	server_type (uint16_t instance_id) const
	Returns the type of the Security Object. It can be either Bootstrap or M2MServer. More...

int32_t	get_security_instance_id (ServerType server_type) const
	Returns first bootstrap or lwm2m server security object instance id. More...

M2MResource *	get_resource (SecurityResource resource, uint16_t instance_id=0) const

Public Member Functions inherited from M2MObject
virtual	~M2MObject ()
	Destructor.

M2MObjectInstance *	create_object_instance (uint16_t instance_id=0)
	Creates a new object instance for a given mbed Client Interface object. With this, the client can respond to server's GET methods with the provided value. More...

M2MObjectInstance *	create_object_instance (const lwm2m_parameters_s *s)
	Creates a new object instance for a given mbed Client Interface object. With this, the client can respond to server's GET methods with the provided value. More...

bool	remove_object_instance (uint16_t instance_id=0)
	Removes the object instance resource with the given instance id. More...

M2MObjectInstance *	object_instance (uint16_t instance_id=0) const
	Returns the object instance with the the given instance ID. More...

const M2MObjectInstanceList &	instances () const
	Returns a list of object instances. More...

uint16_t	instance_count () const
	Returns the total number of object instances-. More...

uint16_t	new_instance_id () const
	Returns instance id to be used for new instances. More...

virtual M2MObservationHandler *	observation_handler () const
	Returns the Observation Handler object. More...

virtual void	set_observation_handler (M2MObservationHandler *handler)
	Sets the observation handler. More...

virtual void	add_observation_level (M2MBase::Observation observation_level)
	Adds the observation level for the object. More...

virtual void	remove_observation_level (M2MBase::Observation observation_level)
	Removes the observation level from the object. More...

virtual sn_coap_hdr_s *	handle_get_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler *observation_handler=NULL)
	Handles GET request for the registered objects. More...

virtual sn_coap_hdr_s *	handle_put_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler *observation_handler, bool &execute_value_updated)
	Handles PUT request for the registered objects. More...

virtual sn_coap_hdr_s *	handle_post_request (nsdl_s nsdl, sn_coap_hdr_s received_coap_header, M2MObservationHandler observation_handler, bool &execute_value_updated, sn_nsdl_addr_s address=NULL)
	Handles GET request for the registered objects. More...

void	notification_update (uint16_t obj_instance_id)

Public Member Functions inherited from M2MBase
virtual	~M2MBase ()
	Destructor.

void	set_operation (M2MBase::Operation operation)
	Sets the operation type for an object. More...

void	set_interface_description (const String &description)
	Sets the interface description of the object. More...

void	set_interface_description (const char *description)
	Sets the interface description of the object. More...

const char *	interface_description () const
	Returns the interface description of the object. More...

virtual void	set_resource_type (const String &resource_type)
	Sets the resource type of the object. More...

virtual void	set_resource_type (const char *resource_type)
	Sets the resource type of the object. More...

const char *	resource_type () const
	Returns the resource type of the object. More...

void	set_coap_content_type (const uint16_t content_type)
	Sets the CoAP content type of the object. More...

void	set_observable (bool observable)
	Sets the observable mode for the object. More...

void	set_auto_observable (bool auto_observable)
	Sets the object to be auto-observable. More...

void	set_confirmable (bool confirmable)
	Sets how the notification is sent. By default confirmable CoAP message type is used. More...

void	set_under_observation (bool observed, M2MObservationHandler *handler)
	Sets the object under observation. More...

void	set_instance_id (const uint16_t instance_id)
	Sets the instance ID of the object. More...

void	set_max_age (const uint32_t max_age)
	Sets the max age for the resource value to be cached. More...

M2MBase::BaseType	base_type () const
	Returns the object type. More...

M2MBase::Operation	operation () const
	Returns the operation type of the object. More...

const char *	name () const
	Returns the object name. More...

int32_t	name_id () const
	Returns the object name in integer. More...

uint16_t	instance_id () const
	Returns the object's instance ID. More...

const char *	uri_path () const
	Returns the path of the object. More...

uint16_t	coap_content_type () const
	Returns the CoAP content type of the object. More...

bool	is_readable () const
	Returns get operation allow state. More...

bool	is_auto_observable () const
	Returns the auto observation status of the object. More...

M2MBase::Observation	observation_level () const
	Returns the observation level of the object. More...

Mode	mode () const
	Returns the mode of the resource. More...

uint16_t	observation_number () const
	Returns the observation number. More...

uint32_t	max_age () const
	Returns the max age for the resource value to be cached. More...

void	send_message_delivery_status (const M2MBase &object, const MessageDeliveryStatus status, const MessageType type)
	Executes the function that is set in "set_message_delivery_status_cb".

void	set_register_uri (bool register_uri)
	Sets whether this resource is published to server or not. More...

bool	register_uri ()
	Returns whether this resource is published to server or not. More...

bool	is_under_observation () const
	Returns whether this resource is under observation or not. More...

bool	set_value_updated_function (value_updated_callback callback)
	Sets the function that is executed when this object receives a PUT or POST command. More...

bool	set_value_updated_function (value_updated_callback2 callback)
	Sets the function that is executed when this object receives a PUT or POST command. More...

bool	is_value_updated_function_set () const
	Returns whether a callback function is set or not. More...

void	execute_value_updated (const String &name)
	Calls the function that is set in the "set_value_updated_function". More...

size_t	resource_name_length () const
	Returns length of the object name. More...

sn_nsdl_dynamic_resource_parameters_s *	get_nsdl_resource () const
	Returns the resource information. More...

M2MBase::lwm2m_parameters_s *	get_lwm2m_parameters () const
	Returns the resource structure. More...

uint16_t	get_notification_msgid () const m2m_deprecated
	Returns the notification message id. More...

void	set_notification_msgid (uint16_t msgid) m2m_deprecated
	Sets the notification message id. This is used to map RESET and EMPTY ACK messages. More...

bool	set_message_delivery_status_cb (message_delivery_status_cb callback, void *client_args)
	Sets the function that is executed when message state changes. Currently this is used to track notifications and delayed response delivery statuses. More...

M2MReportHandler *	report_handler () const
	Returns the Report Handler object. More...

Static Public Member Functions
static M2MSecurity *	get_instance ()
	Get the singleton instance of M2MSecurity.

static void	delete_instance ()
	Delete the singleton instance of M2MSecurity.

Static Public Member Functions inherited from M2MBase
static char *	create_path (const M2MObject &parent, const char *name)

static char *	create_path (const M2MObject &parent, uint16_t object_instance)

static char *	create_path (const M2MResource &parent, uint16_t resource_instance)

static char *	create_path (const M2MResource &parent, const char *name)

static char *	create_path (const M2MObjectInstance &parent, const char *name)

Static Protected Attributes
static M2MSecurity *	_instance

Friends
class	M2MInterfaceFactory

class	M2MNsdlInterface

class	Test_M2MSecurity

class	Test_M2MInterfaceImpl

class	Test_M2MConnectionSecurityImpl

class	Test_M2MConnectionHandlerPimpl_linux

class	Test_M2MConnectionHandlerPimpl_mbed

class	Test_M2MConnectionSecurityPimpl

class	Test_M2MNsdlInterface

class	Test_M2MConnectionHandlerPimpl_classic

Additional Inherited Members
Protected Member Functions inherited from M2MObject
	M2MObject (const String &object_name, char *path, bool external_blockwise_store=false)
	Constructor. More...

M2MObject &	operator= (const M2MObject &)

	M2MObject (const M2MObject &)

	M2MObject (const M2MBase::lwm2m_parameters_s *static_res)
	Constructor. More...

virtual M2MBase *	get_parent () const
	Returns the owner object. Can return NULL if the object has no parent.

Protected Member Functions inherited from M2MBase
M2MBase &	operator= (const M2MBase &)

	M2MBase (const M2MBase &)

	M2MBase (const String &name, M2MBase::Mode mode, const String &resource_type, char *path, bool external_blockwise_store, bool multiple_instance, M2MBase::DataType type=M2MBase::OBJLINK)
	Constructor. More...

	M2MBase (const lwm2m_parameters_s *s)

virtual bool	observation_to_be_sent (const m2m::Vector< uint16_t > &changed_instance_ids, uint16_t obs_number, bool send_object=false)
	An observation callback to be sent to the server due to a change in the observed parameter. More...

void	set_base_type (M2MBase::BaseType type)
	Sets the base type for an object. More...

M2MReportHandler *	create_report_handler ()
	Create Report Handler object. More...

void	free_resources ()
	Delete the resource structures owned by this object. Note: this needs to be called separately from each subclass' destructor as this method uses a virtual method and the call needs to be done at same class which has the implementation of the pure virtual method.

void	clear_notification_delivery_status () m2m_deprecated
	Clears the notification send status to initial state.

void	get_observation_token (uint8_t *token, uint8_t &token_length) const
	Provides the observation token of the object. More...

void	set_observation_token (const uint8_t *token, const uint8_t length)
	Sets the observation token value. More...

virtual void	set_changed ()
	The data has changed and it needs to be updated into Device Management. Current implementation maintains the changed state only in M2MEndpoint. If any of the changes in an object changes the M2M registration structure, the information is propagated to M2MEndpoint using this interface.

void	handle_observation (nsdl_s nsdl, const sn_coap_hdr_s &received_coap_header, sn_coap_hdr_s &coap_response, M2MObservationHandler observation_handler, sn_coap_msg_code_e &response_code)
	Handles subscription request. More...

void	cancel_observation (M2MBase::MessageDeliveryStatus status=M2MBase::MESSAGE_STATUS_UNSUBSCRIBED, bool notify=true)
	Cancels the ongoing observation. More...

void	start_observation (const sn_coap_hdr_s &received_coap_header, M2MObservationHandler *observation_handler)
	Start the observation. More...

Static Protected Member Functions inherited from M2MBase
static void *	memory_alloc (uint32_t size)
	Memory allocation required for libCoap. More...

static void	memory_free (void *ptr)
	Memory free functions required for libCoap. More...

static char *	alloc_string_copy (const char *source)
	Allocate and make a copy of given zero terminated string. This is functionally equivalent with strdup(). More...

static uint8_t *	alloc_string_copy (const uint8_t *source, uint32_t size)
	Allocate (size + 1) amount of memory, copy size bytes into it and add zero termination. More...

static uint8_t *	alloc_copy (const uint8_t *source, uint32_t size)
	Allocate (size) amount of memory, copy size bytes into it. More...

static bool	validate_string_length (const String &string, size_t min_length, size_t max_length)

static bool	validate_string_length (const char *string, size_t min_length, size_t max_length)

static bool	build_path (StringBuffer< MAX_PATH_SIZE > &buffer, const char s1, uint16_t i1, const char s2, uint16_t i2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_2 > &buffer, const char s1, uint16_t i1, const char s2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_3 > &buffer, const char *s1, uint16_t i1, uint16_t i2)

static bool	build_path (StringBuffer< MAX_PATH_SIZE_4 > &buffer, const char *s1, uint16_t i1)

static char *	stringdup (const char *s)

static bool	is_blockwise_needed (const nsdl_s *nsdl, uint32_t payload_len)
	Checks whether blockwise is needed to send resource value to server. More...

Detailed Description

This class represents an interface for the Security Object model of the LWM2M framework. It handles the security object instances and all corresponding resources.

Member Function Documentation

M2MObjectInstance* M2MSecurity::create_object_instance ( ServerType server_type )

Creates a new object instance.

Parameters

server_type Server type for new object instance.

Returns: M2MObjectInstance if created successfully, else NULL.

M2MObjectInstance* M2MSecurity::create_object_instance ( uint16_t instance_id )

Creates a new object instance.

Parameters

instance_id Instance id for new object instance.

Returns: M2MObjectInstance if created successfully, else NULL.

M2MResource* M2MSecurity::create_resource	(	SecurityResource	rescource,
		uint32_t	value,
		uint16_t	instance_id
	)

Creates a new resource for a given resource enum.

Parameters

rescource	With this function, the following resources can be created: ' BootstrapServer', 'SecurityMode', 'SMSSecurityMode', 'M2MServerSMSNumber', 'ShortServerID', 'ClientHoldOffTime'.
value	The value to be set on the resource, in integer format.
instance_id	Instance id of the security instance where resource should be created.

Returns: M2MResource if created successfully, else NULL.

bool M2MSecurity::delete_resource	(	SecurityResource	rescource,
		uint16_t	instance_id
	)

Deletes a resource with a given resource enum. Mandatory resources cannot be deleted.

Parameters

resource	The resource to be deleted.
instance_id	Instance id of the security instance where resource should be deleted.

Returns: True if deleted, else false.

int32_t M2MSecurity::get_security_instance_id ( ServerType server_type ) const

Returns first bootstrap or lwm2m server security object instance id.

Parameters

server_type Which server type security instance to return.

Returns: Object instance id, or -1 if no such instance exists.

bool M2MSecurity::is_resource_present	(	SecurityResource	resource,
		uint16_t	instance_id
	)		const

Returns whether a resource instance with a given resource enum exists or not.

Parameters

resource	Resource enum.
instance_id	Instance id of the security instance where resource should be checked.

Returns: True if at least one instance exists, else false.

int M2MSecurity::resource_value_buffer	(	SecurityResource	resource,
		uint8_t *&	data,
		uint16_t	instance_id,
		size_t *	buffer_len
	)		const

Populates the data buffer and returns the size of the buffer.

Parameters

resource	With this function, the following resources can return a value: 'PublicKey', 'ServerPublicKey', 'Secretkey', 'OpenCertificateChain', 'CloseCertificateChain' 'ReadDeviceCertificateChain'.
[OUT]data	A copy of the data buffer that contains the value. The caller is responsible for freeing this buffer.
instance_id	Instance id of the security instance where resource value should be retrieve.
buffer_len[IN/OUT]	Length of the buffer.

Returns: Error code, 0 on success otherwise < 0

uint32_t M2MSecurity::resource_value_buffer	(	SecurityResource	resource,
		const uint8_t *&	data,
		uint16_t	instance_id
	)		const

Returns a pointer to the value and size of the buffer.

Parameters

resource	With this function, the following resources can return a value: 'PublicKey', 'ServerPublicKey', 'Secretkey'.
[OUT]data	A pointer to the data buffer that contains the value.
instance_id	Instance id of the security instance where resource value should be retrieved.

Returns: The size of the populated buffer.

int M2MSecurity::resource_value_buffer_size	(	SecurityResource	resource,
		uint16_t	instance_id,
		size_t *	buffer_len
	)		const

Get a size of the buffer.

Parameters

resource	With this function, the following resources can return the size: 'PublicKey', 'ServerPublicKey', 'Secretkey'.
instance_id	Instance id of the security instance where resource value should be retrieved.
[OUT]buffer_len	The size of the buffer.

Returns: Error code, 0 on success otherwise < 0

uint32_t M2MSecurity::resource_value_int	(	SecurityResource	resource,
		uint16_t	instance_id
	)		const

Returns the value of a given resource name, in integer format.

Parameters

resource	With this function, the following resources can return a value: 'BootstrapServer', 'SecurityMode', 'SMSSecurityMode', 'M2MServerSMSNumber', 'ShortServerID', 'ClientHoldOffTime'.
instance_id	Instance id of the security instance where resource should be created.

Returns: The value associated with the resource. If the resource is not valid 0 is returned.

String M2MSecurity::resource_value_string	(	SecurityResource	resource,
		uint16_t	instance_id
	)		const

Returns the value of a given resource enum, in string format.

Parameters

resource	With this function, the following resources can return a value: 'M2MServerUri','SMSBindingKey', 'SMSBindingSecretKey'.
instance_id	Instance id of the security instance where resource value should be retrieved.

Returns: The value associated with the resource. If the resource is not valid an empty string is returned.

ServerType M2MSecurity::server_type ( uint16_t instance_id ) const

Returns the type of the Security Object. It can be either Bootstrap or M2MServer.

Parameters

instance_id Instance id of the security instance where resource should be created.

Returns: ServerType The type of the Security Object.

bool M2MSecurity::set_resource_value	(	SecurityResource	resource,
		const String &	value,
		uint16_t	instance_id
	)

Sets the value of a given resource enum.

Parameters

resource	With this function, a value can be set for the following resources: 'M2MServerUri', 'SMSBindingKey', 'SMSBindingSecretKey'.
value	The value to be set on the resource, in string format.
instance_id	Instance id of the security instance where resource value should be set.

Returns: True if successfully set, else false.

bool M2MSecurity::set_resource_value	(	SecurityResource	resource,
		uint32_t	value,
		uint16_t	instance_id
	)

Sets the value of a given resource enum.

Parameters

resource	With this function, a value can be set for the following resourecs: 'BootstrapServer', 'SecurityMode', 'SMSSecurityMode', 'M2MServerSMSNumber', 'ShortServerID', 'ClientHoldOffTime'.
value	The value to be set on the resource, in integer format.
instance_id	Instance id of the security instance where resource value should be set.

Returns: True if successfully set, else false.

bool M2MSecurity::set_resource_value	(	SecurityResource	resource,
		const uint8_t *	value,
		const uint16_t	length,
		uint16_t	instance_id
	)

Sets the value of a given resource enum.

Parameters

resource	With this function, a value can be set for the follwing resources: 'PublicKey', 'ServerPublicKey', 'Secretkey'.
value	The value to be set on the resource, in uint8_t format.
length	The size of the buffer value to be set on the resource.
instance_id	Instance id of the security instance where resource value should be set.

Returns: True if successfully set, else false.

uint16_t M2MSecurity::total_resource_count ( uint16_t instance_id ) const

Returns the total number of resources for a security object.

Parameters

instance_id Instance id of the security instance where resources should be counted.

Returns: The total number of resources.

The documentation for this class was generated from the following file:

mbed-cloud-client/mbed-client/mbed-client/m2msecurity.h

Documentation

Public Types

Public Member Functions

Static Public Member Functions

Static Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation