/***********************************************************************
 * 
 *  Copyright (C) 2006 Novell, Inc. All Rights Reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; version 2.1
 *  of the License.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, Novell, Inc.
 * 
 *  To contact Novell about this file by physical or electronic mail, 
 *  you may find current contact information at www.novell.com.
 * 
 *  Author: Juan Carlos Luciani <jluciani@novell.com>
 *
 ***********************************************************************/

#ifndef _CASA_VAL_AUTH_TOKEN_H_
#define _CASA_VAL_AUTH_TOKEN_H_

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" 
{
#endif

//===[ Include files ]=====================================================

#include <micasa_types.h>
#include <casa_status.h>

//===[ Type definitions ]==================================================

#ifndef SSCS_CALL
#if defined(WIN32)
#define SSCS_CALL __stdcall
#else
#define SSCS_CALL
#endif
#endif

//===[ Function prototypes ]===============================================

//===[ Global variables ]==================================================


/**************************************************************************
***************************************************************************
**                                                                       **
**    Principal Interface Definition                                     **
**                                                                       **
***************************************************************************
**************************************************************************/


//++=======================================================================
typedef
int       
(SSCS_CALL *PFNPrincipalIf_AddReference)(
   IN       const void  *pIfInstance);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
// Returns:
//    Interface reference count.
//                           
// Description:
//    Increases interface reference count.
//=======================================================================--


//++=======================================================================
typedef
void       
(SSCS_CALL *PFNPrincipalIf_ReleaseReference)(
   IN       const void  *pIfInstance);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
// Returns:
//    Nothing.
//                           
// Description:
//    Decreases interface reference count. The interface is deallocated if
//    the reference count becomes zero.
//=======================================================================--


//++=======================================================================
typedef
CasaStatus 
(SSCS_CALL *PFNPrincipalIf_GetIdentityId)(
   IN       const void  *pIfInstance,
   INOUT    char        *pIdentIdBuf,
   INOUT    int         *pIdentIdLen);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
//    pIdentIdBuf -
//       Pointer to buffer that will receive the identity id. The returned
//       id will be in the form of a NULL terminated string.
//
//    pIdentIdBufLen -
//       Pointer to variable with the length of the buffer pointed by
//       pIdentIdBuf. On exit it contains the length of the returned id
//       (including the NULL terminator).
//
//   
// Returns:
//    Casa Status
//                           
// Description:
//    Get the identity id associated with the identity token.
//=======================================================================--


//++=======================================================================
typedef
CasaStatus 
(SSCS_CALL *PFNPrincipalIf_GetSourceName)(
   IN       const void  *pIfInstance,
   INOUT    char        *pSourceNameBuf,
   INOUT    int         *pSourceNameLen);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
//    pSourceNameBuf -
//       Pointer to buffer that will receive the name associated with the
//       identity information source. The returned name will be in the form
//       of a NULL terminated string.
//
//    pSourceNameBufLen -
//       Pointer to variable with the length of the buffer pointed by
//       pSourceNameBuf. On exit it contains the length of the returned
//       name (including the NULL terminator).
//
//   
// Returns:
//    Casa Status
//                           
// Description:
//    Get the name of the identity source associated with the identity token.
//=======================================================================--


//++=======================================================================
typedef
CasaStatus 
(SSCS_CALL *PFNPrincipalIf_GetSourceUrl)(
   IN       const void  *pIfInstance,
   INOUT    char        *pSourceUrlBuf,
   INOUT    int         *pSourceUrlLen);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
//    pSourceUrlBuf -
//       Pointer to buffer that will receive the URL associated with the
//       identity information source. The returned URL will be in the form
//       of a NULL terminated string.
//
//    pSourceUrlBufLen -
//       Pointer to variable with the length of the buffer pointed by
//       pSourceUrlBuf. On exit it contains the length of the returned
//       URL (including the NULL terminator).
//
//   
// Returns:
//    Casa Status
//                           
// Description:
//    Get the URL to the identity source associated with the identity token.
//=======================================================================--


//++=======================================================================
typedef
CasaStatus 
(SSCS_CALL *PFNPrincipalIf_AttributeEnumerate)(
   IN       const void  *pIfInstance,
   INOUT    int         *pEnumHandle,       
   INOUT    char        *pAttribNameBuf,
   INOUT    int         *pAttribNameLen,
   INOUT    char        *pAttribValueBuf,
   INOUT    int         *pAttribValueLen);
//
// Arguments:  
//    pIfInstance -
//       Pointer to interface object.
//   
//    pEnumHandle -
//       Pointer to enumeration handle. Must be set to 0 to start an
//       enumeration. Note the enumeration handle advances if the
//       function returns success.
//
//    pAttribNameBuf -
//       Pointer to buffer that will receive the identity attribute name. The
//       returned name will be in the form of a NULL terminated string.
//
//    pAttribNameLen -
//       Pointer to variable with the length of the buffer pointed by
//       pAttribNameBuf. On exit it contains the length of the returned
//       name (including the NULL terminator).
//
//    pAttribValueBuf -
//       Pointer to buffer that will receive the identity attribute value. The
//       returned value will be in the form of a NULL terminated string.
//
//    pAttribValueLen -
//       Pointer to variable with the length of the buffer pointed by
//       pAttribValueBuf. On exit it contains the length of the returned
//       value (including the NULL terminator).
//
//   
// Returns:
//    Casa Status
//                           
// Description:
//    Enumerates through the attributes associated with the identity token.
//=======================================================================--


//
// Principal Interface Object
// 
typedef struct _PrincipalIf
{
   PFNPrincipalIf_AddReference         addReference;
   PFNPrincipalIf_ReleaseReference     releaseReference;
   PFNPrincipalIf_GetIdentityId        getIdentityId;
   PFNPrincipalIf_GetSourceName        getSourceName;
   PFNPrincipalIf_GetSourceUrl         getSourceUrl;
   PFNPrincipalIf_AttributeEnumerate   attributeEnumerate;

} PrincipalIf, *PPrincipalIf;


/**************************************************************************
***************************************************************************
**                                                                       **
**    Validate Authentication Token API                                 **
**                                                                       **
***************************************************************************
**************************************************************************/


//++=======================================================================
extern CasaStatus SSCS_CALL
ValidateAuthToken(
   IN       const char  *pServiceName,
   IN       const char  *pTokenBuf,
   IN       const int   tokenBufLen,
   INOUT    PrincipalIf **ppPrincipalIf);
//
// Arguments:  
//    pServiceName -
//       Pointer to NULL terminated string that contains the
//       name of the service targeted by the token.
//               
//    pTokenBuf -
//       Pointer to buffer that will receive the authentication
//       token. The length of this buffer is specified by the
//       pTokenBufLen parameter. Note that the the authentication
//       token will be in the form of a NULL terminated string.
//
//    tokenBufLen -
//       Length of the data contained within the buffer pointed
//       at by pTokenBuf.
//   
//    ppPrincipalIf -
//       Pointer to variable that will receive a pointer to a principal
//       interface with information about the authenticated entity.
//       IMPORTANT NOTE: The caller is responsible for releasing the
//       interface after it is done with it to avoid a resource leak.
//   
// Returns:
//    Casa status.
//                           
// Description:
//    Validates authentication token.
//
//=======================================================================--


#if defined(__cplusplus) || defined(c_plusplus)
}
#endif // #if defined(__cplusplus) || defined(c_plusplus)

#endif // #ifndef _CASA_VAL_AUTH_TOKEN_H_