OPTIONHANDLER_HANDLE authentication_retrieve_options(AUTHENTICATION_HANDLE authentication_handle)
{
OPTIONHANDLER_HANDLE result;
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_100: [If `authentication_handle` is NULL, authentication_retrieve_options shall fail and return NULL]
if (authentication_handle == NULL)
{
LogError("Failed to retrieve options from authentication instance (authentication_handle is NULL)");
result = NULL;
}
else
{
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_101: [An OPTIONHANDLER_HANDLE instance shall be created using OptionHandler_Create]
OPTIONHANDLER_HANDLE options = OptionHandler_Create(authentication_clone_option, authentication_destroy_option, (pfSetOption)authentication_set_option);
if (options == NULL)
{
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_102: [If an OPTIONHANDLER_HANDLE instance fails to be created, authentication_retrieve_options shall fail and return NULL]
LogError("Failed to retrieve options from authentication instance (OptionHandler_Create failed)");
result = NULL;
}
else
{
AUTHENTICATION_INSTANCE* instance = (AUTHENTICATION_INSTANCE*)authentication_handle;
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_103: [Each option of `instance` shall be added to the OPTIONHANDLER_HANDLE instance using OptionHandler_AddOption]
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_104: [If OptionHandler_AddOption fails, authentication_retrieve_options shall fail and return NULL]
if (OptionHandler_AddOption(options, AUTHENTICATION_OPTION_CBS_REQUEST_TIMEOUT_SECS, (void*)&instance->cbs_request_timeout_secs) != OPTIONHANDLER_OK)
{
LogError("Failed to retrieve options from authentication instance (OptionHandler_Create failed for option '%s')", AUTHENTICATION_OPTION_CBS_REQUEST_TIMEOUT_SECS);
result = NULL;
}
else if (OptionHandler_AddOption(options, AUTHENTICATION_OPTION_SAS_TOKEN_REFRESH_TIME_SECS, (void*)&instance->sas_token_refresh_time_secs) != OPTIONHANDLER_OK)
{
LogError("Failed to retrieve options from authentication instance (OptionHandler_Create failed for option '%s')", AUTHENTICATION_OPTION_SAS_TOKEN_REFRESH_TIME_SECS);
result = NULL;
}
else if (OptionHandler_AddOption(options, AUTHENTICATION_OPTION_SAS_TOKEN_LIFETIME_SECS, (void*)&instance->sas_token_lifetime_secs) != OPTIONHANDLER_OK)
{
LogError("Failed to retrieve options from authentication instance (OptionHandler_Create failed for option '%s')", AUTHENTICATION_OPTION_SAS_TOKEN_LIFETIME_SECS);
result = NULL;
}
else
{
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_127: [If no failures occur, authentication_retrieve_options shall return the OPTIONHANDLER_HANDLE instance]
result = options;
}
if (result == NULL)
{
// Codes_SRS_IOTHUBTRANSPORT_AMQP_AUTH_09_105: [If authentication_retrieve_options fails, any allocated memory shall be freed]
OptionHandler_Destroy(options);
}
}
}
return result;
}
static OPTIONHANDLER_HANDLE tlsio_schannel_retrieveoptions(CONCRETE_IO_HANDLE handle)
{
OPTIONHANDLER_HANDLE result;
if (handle == NULL)
{
LogError("invalid parameter detected: CONCRETE_IO_HANDLE handle=%p", handle);
result = NULL;
}
else
{
result = OptionHandler_Create(tlsio_schannel_CloneOption, tlsio_schannel_DestroyOption, tlsio_schannel_setoption);
if (result == NULL)
{
LogError("unable to OptionHandler_Create");
/*return as is*/
}
else
{
/*this layer cares about the certificates and the x509 credentials*/
TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)handle;
if (
(tls_io_instance->x509certificate != NULL) &&
(OptionHandler_AddOption(result, "x509certificate", tls_io_instance->x509certificate) != 0)
)
{
LogError("unable to save x509certificate option");
OptionHandler_Destroy(result);
result = NULL;
}
else if (
(tls_io_instance->x509privatekey != NULL) &&
(OptionHandler_AddOption(result, "x509privatekey", tls_io_instance->x509privatekey) != 0)
)
{
LogError("unable to save x509privatekey option");
OptionHandler_Destroy(result);
result = NULL;
}
else
{
/*all is fine, all interesting options have been saved*/
/*return as is*/
}
}
}
return result;
}
OPTIONHANDLER_HANDLE xio_retrieveoptions(XIO_HANDLE xio)
{
OPTIONHANDLER_HANDLE result;
if (xio == NULL)
{
LogError("invalid argument detected: XIO_HANDLE xio=%p", xio);
result = NULL;
}
else
{
XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
/*xio_retrieveoptions shall return a OPTIONHANDLER_HANDLE that has 1 option called "underlyingOptions" which is of type OPTIONHANDLER_HANDLE*/
result = OptionHandler_Create(xio_CloneOption, xio_DestroyOption, (pfSetOption)xio_setoption);
if (result == NULL)
{
LogError("unable to OptionHandler_Create");
/*return as is*/
}
else
{
OPTIONHANDLER_HANDLE concreteOptions = xio_instance->io_interface_description->concrete_io_retrieveoptions(xio_instance->concrete_xio_handle);
if (concreteOptions == NULL)
{
LogError("unable to concrete_io_retrieveoptions");
OptionHandler_Destroy(result);
result = NULL;
}
else
{
if (OptionHandler_AddOption(result, CONCRETE_OPTIONS, concreteOptions) != OPTIONHANDLER_OK)
{
LogError("unable to OptionHandler_AddOption");
OptionHandler_Destroy(concreteOptions);
OptionHandler_Destroy(result);
result = NULL;
}
else
{
/*all is fine*/
}
}
}
}
return result;
}