/********************************************************************************/
/*                                                                              */
/*                              TPM TIS I/O					*/
/*                           Written by Stefan Berger                           */
/*                     IBM Thomas J. Watson Research Center                     */
/*                                                                              */
/* (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		*/
/* documentation and/or other materials provided with the distribution.		*/
/* 										*/
/* Neither the names of the IBM Corporation nor the names of its		*/
/* contributors may be used to endorse or promote products derived from		*/
/* this software without specific prior written permission.			*/
/* 										*/
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS		*/
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT		*/
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR	*/
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT		*/
/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,	*/
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT		*/
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	*/
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	*/
/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		*/
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	*/
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		*/
/********************************************************************************/

#include <config.h>

#include <stdint.h>

#include "tpm2/TpmTypes.h"
#include "tpm2/TpmBuildSwitches.h"
#include "tpm2/_TPM_Hash_Start_fp.h"
#include "tpm2/_TPM_Hash_Data_fp.h"
#include "tpm2/_TPM_Hash_End_fp.h"
#include "tpm2/TpmTcpProtocol.h"
#include "tpm2/Platform_fp.h"
#include "tpm2/Simulator_fp.h"

#define TPM_HAVE_TPM2_DECLARATIONS
#include "tpm_library_intern.h"
#include "tpm_error.h"

TPM_RESULT TPM2_IO_TpmEstablished_Get(TPM_BOOL *tpmEstablished)
{
    *tpmEstablished = _rpc__Signal_GetTPMEstablished();

    return TPM_SUCCESS;
}

TPM_RESULT TPM2_IO_TpmEstablished_Reset(void)
{
    TPM_RESULT ret = TPM_SUCCESS;
    struct libtpms_callbacks *cbs = TPMLIB_GetCallbacks();
    TPM_MODIFIER_INDICATOR locality = 0;
    uint32_t tpm_number = 0;

    if (cbs->tpm_io_getlocality) {
        cbs->tpm_io_getlocality(&locality, tpm_number);
    }

    _plat__LocalitySet(locality);

    if (locality == 3 || locality == 4) {
        _rpc__Signal_ResetTPMEstablished();
    } else {
        ret = TPM_BAD_LOCALITY;
    }

    return ret;
}

TPM_RESULT TPM2_IO_Hash_Start(void)
{
    _TPM_Hash_Start();

    _rpc__Signal_SetTPMEstablished();

    return TPM_SUCCESS;
}

TPM_RESULT TPM2_IO_Hash_Data(const unsigned char *data,
                             uint32_t data_length)
{
    _TPM_Hash_Data(data_length, (unsigned char *)data);

    return TPM_SUCCESS;
}

TPM_RESULT TPM2_IO_Hash_End(void)
{
    _TPM_Hash_End();

    return TPM_SUCCESS;
}
