SAP ABAP Class CL_SPNEGO_KERNEL (Kernel methods for SPNego)

Hierarchy

☛ SAP_BASIS (Software Component) SAP Basis Component
   ⤷ BC-SEC-LGN (Application Component) Authentication and SSO
     ⤷ SPNEGO (Package) SPNego

Properties

Class	CL_SPNEGO_KERNEL
Short Description	Kernel methods for SPNego
Super Class
Instantiability of a Class	2	Public
Final	☑

General Data

Message Class
Program status
Category	0
Package	SPNEGO	SPNego
Created	20120404	SAP
Last change	20140121	SAP
Shared Memory-enabled	☐
Fixed point arithmetic	☑
Unicode checks active	☑

Forward declarations

#	Type group / Object type	Type	Type Description
1	ABAP	Type group use (TYPE-POOLS tp)	Type group use (TYPE-POOLS tp)

Interfaces

Class CL_SPNEGO_KERNEL has no interface implemented.

Friends

#	Friend	Modeled only	Created on	Description
1	CL_KRB_CONFIG_UI	☐	20130103	API for Kerberos Configuration UIs
2	CL_KRB_KEYTAB	☐	20120724	KeyTab Implemenation based on Kerberos Library
3	CL_KRB_KEYTAB_SECSTORE	☐	20120813	KeyTab Implementation based on Kerberos Library
4	CL_SPNEGO_RUNTIME	☐	20120620	Runtime class for SPNego called by ICF

Attributes

#	Attribute	Level	Visibility	Read only	Typing	Associated Type	Initial Value	Description	Created on
1	STATUS_LIB_AND_KEYTAB_LOADED	Constant	Private	☐	Type reference (TYPE)	I	0	Kerberos library and KeyTab loaded	20130122
2	STATUS_LIB_LOADED_NO_KEYTAB	Constant	Private	☐	Type reference (TYPE)	I	1	Kerberos library loaded and KeyTab not available	20130122
3	STATUS_LIB_NOT_LOADED	Constant	Private	☐	Type reference (TYPE)	I	2	Kerberos library not loaded	20130122

Methods

#	Method	Level	Visibility	Method type	Description	Created on
1	_ADD_SPN_TO_KEYTAB	Static method	Private	Method	Add SPN to keytab (requires SPNego library)	20120516
2	_AUTHENTICATE	Static method	Private	Method	Authenticate the HTTP request with an SPNego token	20120628
3	_DELETE_SPN_FROM_KEYTAB	Static method	Private	Method	Delete entries from keytab (requires SPNego library)	20120516
4	_GET_ALGORITHM_NAME	Static method	Private	Method	Get textual description (English only) for algorithm ID	20121220
5	_GET_RUNTIME_STATUS	Static method	Private	Method	0: library not loaded, 1: library loaded, 2: keytab loaded	20120628
6	_GET_SUPPORTED_ALGORITHMS	Static method	Private	Method	Get list of algorithms supported by Kerberos library	20121220
7	_MERGE_KEYTABS	Static method	Private	Method	Insert entries of one keytab into another one (requires lib)	20120516
8	_PARSE_KEYTAB	Static method	Private	Method	Parses binary keytab (requires SPNego library)	20120516
9	_READ_KEYTAB_FROM_SECSTORE	Static method	Private	Method	Read binary keytab from Secure Storage	20120404
10	_WRITE_KEYTAB_TO_SECSTORE	Static method	Private	Method	Write binary keytab to Secure Storage	20120404

Events

Class CL_SPNEGO_KERNEL has no event.

Types

Class CL_SPNEGO_KERNEL has no local type.

Method Signatures

Method _ADD_SPN_TO_KEYTAB Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ADD_MODE	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_ADD_MODE	IF_KRB_KEYTAB=>CO_KEYTAB_ADD_APPEND		20120516
2	Importing	ALGORITHMS	Call by reference	☑	Type reference (TYPE)	KRB_KEYTAB_ALGORITHM_T			20120516
3	Returning	KEYTAB	Value transfer	☐	Type reference (TYPE)	XSTRING			20120516
4	Importing	KEYTAB_IN	Call by reference	☐	Type reference (TYPE)	XSTRING			20120516
5	Importing	PASSWORD	Call by reference	☐	Type reference (TYPE)	KRB_SPN_PASSWORD			20120516
6	Importing	SPN	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_SPN			20120516

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐		20120516

Method _AUTHENTICATE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	AUTH_RC	Call by reference	☐	Type reference (TYPE)	SYSUBRC		Return Value of ABAP Statements	20120628
2	Importing	CLIENT	Call by reference	☐	Type reference (TYPE)	MANDT		Client	20120628
3	Importing	LANGUAGE	Call by reference	☐	Type reference (TYPE)	LANGU		Language Key	20120628
4	Exporting	PWDSTATE	Call by reference	☐	Type reference (TYPE)	XUPWDSTATE		Status of User Password (Value: -2/-1/0/1/2/3, see doc.)	20120628
5	Importing	SPNEGO_TOKEN	Call by reference	☐	Type reference (TYPE)	SPNEGO_TOKEN		SPNego Token	20120628

#	Exception	Resumable	Description	Created on
1	CX_PERSONALIZE_SESSION	☐	Exception class for authentication methods (caller problems)	20120705

Method _DELETE_SPN_FROM_KEYTAB Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ALGORITHMS	Call by reference	☑	Type reference (TYPE)	KRB_KEYTAB_ALGORITHM_T			20120516
2	Returning	KEYTAB	Value transfer	☐	Type reference (TYPE)	XSTRING			20120516
3	Importing	KEYTAB_IN	Call by reference	☐	Type reference (TYPE)	XSTRING			20120516
4	Importing	SPN	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_SPN			20120516
5	Importing	VERSION	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_VERSION	-1		20120516

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐		20120516

Method _GET_ALGORITHM_NAME Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	ALGORITHM_ID	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_ALGORITHM		Kerberos Encryption Algorithm Id	20121220
2	Returning	ALGORITHM_NAME	Value transfer	☐	Type reference (TYPE)	KRB_KEYTAB_ALGORITHM_NAME		Kerberos Encryption Algorithm Name	20121220

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐	Exception class for Kerberos KeyTab	20121221

Method _GET_RUNTIME_STATUS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	STATUS	Value transfer	☐	Type reference (TYPE)	SPNEGO_RUNTIME_STATUS		0: library not loaded, 1: library loaded, 2: keytab loaded	20120628

Method _GET_RUNTIME_STATUS on class CL_SPNEGO_KERNEL has no exception.

Method _GET_SUPPORTED_ALGORITHMS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Exporting	ALGORITHMS	Call by reference	☐	Type reference (TYPE)	KRB_KEYTAB_ALGORITHM_T		Kerberos Algorithm List	20121220

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐	Exception class for Kerberos KeyTab	20121221

Method _MERGE_KEYTABS Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	KEYTAB	Value transfer	☐	Type reference (TYPE)	XSTRING			20120516
2	Importing	KEYTAB1_IN	Call by reference	☐	Type reference (TYPE)	XSTRING			20120516
3	Importing	KEYTAB2_IN	Call by reference	☐	Type reference (TYPE)	XSTRING			20120516

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐		20120516

Method _PARSE_KEYTAB Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	KEYTAB	Call by reference	☐	Type reference (TYPE)	XSTRING			20120516
2	Returning	KEYTAB_PARSED	Value transfer	☐	Type reference (TYPE)	KRB_KEYTAB_T			20120516

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐		20120516

Method _READ_KEYTAB_FROM_SECSTORE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Returning	KEYTAB	Value transfer	☐	Type reference (TYPE)	XSTRING		Binary Kerberos KeyTab	20120404
2	Importing	TESTMODE	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_FALSE	Flag for Unit Test Operation	20120404

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐	Exception class for Kerberos KeyTab	20120426

Method _WRITE_KEYTAB_TO_SECSTORE Signature

#	Type	Parameter	Pass Value	Optional	Typing Method	Associated Type	Default value	Description	Created on
1	Importing	KEYTAB	Call by reference	☐	Type reference (TYPE)	XSTRING		Binary Kerberos KeyTab	20120404
2	Importing	TESTMODE	Call by reference	☐	Type reference (TYPE)	ABAP_BOOL	ABAP_FALSE	Flag for Unit Test Operation	20120404

#	Exception	Resumable	Description	Created on
1	CX_KRB_KEYTAB	☐	Exception class for Kerberos KeyTab	20120426

History

Last changed by/on	SAP	20140121
SAP Release Created in	732