/********************************************************************************/
/*										*/
/*			     Command Code Attributes				*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*	      $Id: tssprint.c 703 2016-07-28 17:21:46Z kgoldman $		*/
/*										*/
/* (c) Copyright IBM Corporation 2015.						*/
/*										*/
/* All rights reserved.								*/
/* 										*/
/* Redistribution and use in source and binary forms, with or without		*/
/* modification, are permitted provided that the following conditions are	*/
/* met:										*/
/* 										*/
/* Redistributions of source code must retain the above copyright notice,	*/
/* this list of conditions and the following disclaimer.			*/
/* 										*/
/* Redistributions in binary form must reproduce the above copyright		*/
/* notice, this list of conditions and the following disclaimer in the		*/
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/* 										*/
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/* contributors may be used to endorse or promote products derived from		*/
/* this software without specific prior written permission.			*/
/* 										*/
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/********************************************************************************/

/* NOTE: This is a replica of CommandAttributeData.c, but endian independent.  It must be kept in
   sync with the TPM reference implementation.
   
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>

#include "tssccattributes.h"

COMMAND_INDEX CommandCodeToCommandIndex(TPM_CC commandCode)
{
    COMMAND_INDEX i;

    /* s_ccAttr has terminating 0x0000 command code and V */
    for (i = 0 ; (s_ccAttr[i].commandCode != 0) || (s_ccAttr[i].V != 0) ; i++) {
	if (s_ccAttr[i].commandCode == commandCode) {
	    return i;
	}
    }
    return UNIMPLEMENTED_COMMAND_INDEX;
}

uint32_t getCommandHandleCount(COMMAND_INDEX index)
{
    return s_ccAttr[index].cHandles;
}
uint32_t getresponseHandleCount(COMMAND_INDEX index)
{
    return s_ccAttr[index].rHandle;
}

/* from CommandCodeAttributes.c */

int getDecryptSize(COMMAND_INDEX    commandIndex)
{
    COMMAND_ATTRIBUTES      ca = s_commandAttributes[commandIndex];
    
    if(ca & DECRYPT_2)
	return 2;
    if(ca & DECRYPT_4)
	return 4;
    return 0;
}

int getEncryptSize(COMMAND_INDEX    commandIndex)
{
    COMMAND_ATTRIBUTES  ca = s_commandAttributes[commandIndex];
    if(ca & ENCRYPT_2)
	return 2;
    if(ca & ENCRYPT_4)
	return 4;
    return 0;
}

AUTH_ROLE getCommandAuthRole(
			     COMMAND_INDEX    commandIndex,  // IN: command index
			     UINT32           handleIndex    // IN: handle index (zero based)
			     )
{
    if(0 == handleIndex )
	{
	    // Any auth role set?
	    COMMAND_ATTRIBUTES  properties = s_commandAttributes[commandIndex];
	    
	    if(properties & HANDLE_1_USER)
		return AUTH_USER;
	    if(properties & HANDLE_1_ADMIN)
		return AUTH_ADMIN;
	    if(properties & HANDLE_1_DUP)
		return AUTH_DUP;
	}
    else if (1 == handleIndex)
	{
	    if(s_commandAttributes[commandIndex] & HANDLE_2_USER)
		return AUTH_USER;
	}
    return AUTH_NONE;
}
