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RefreshFunctionTable(3)
NAME
RefreshFunctionTable - Gets EMM-defined API function (CDSA)
SYNOPSIS
# include <cdsa/cssm.h>
CSSM_RETURN CSSMAPI RefreshFunctionTable
(CSSM_FUNC_NAME_ADDR_PTR FuncNameAddrPtr,
uint32 NumOfFuncNameAddr)
LIBRARY
Common Security Services Manager library (libcssm.so)
PARAMETERS
FuncNameAddrPtr (input/output)
A pointer to a table mapping function names to EMM-defined APIs.
NumOfFuncNameAddr (input)
The number of entries in the table referenced by FuncNameAddrPtr.
DESCRIPTION
CSSM invokes this function to obtain the EMM-defined API function. The
table is returned to CSSM in FuncNameAddrPtr and CSSM returns the table to
the application. The application uses this table to invoke the security
services defined by the EMM's service category. CSSM must obtain and
forward the API table to the application on behalf of the EMM because the
application is not aware of the optional nature of the EMM. Applications
use CSSM to obtain the API function table for basic module managers and
elective module managers, providing a uniform application programming
model.
If the Elective Module Manager needs the service provider's SPI function
table in order to initialize the API function table, the EMM can obtain the
SPI function table by invoking the CSSM-provided service
cssm_GetAttachFunctions(). The service module may implement only a subset
of the defined functions and the EMM may wish to manage these functions in
a particular manner through the API mapping. The elective module manager
uses the SPI function table to dispatch application calls for service to
attached modules.
Multiple applications and multiple instances of a service module can be
concurrently active. The single elective module manager is responsible for
managing all of these concurrent sessions. After completing initialization
of the API function table, the EMM returns the refreshed API table to CSSM.
RETURN VALUE
A CSSM_RETURN value indicating success or specifying a particular error
condition. The value CSSM_OK indicates success. All other values represent
an error condition.
ERRORS
Errors are described in the CDSA technical standard. See CDSA_intro(3).
SEE ALSO
Books
Intel CDSA Application Developer's Guide (see CDSA_intro(3))
Reference Pages
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Index for Section 3 |
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Alphabetical listing for R |
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