/* SPDX-License-Identifier: BSD-2-Clause */
/***********************************************************************;
 * Copyright (c) 2015 - 2017, Intel Corporation
 * All rights reserved.
 ***********************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h" // IWYU pragma: keep
#endif

#include "sysapi_util.h"     // for _TSS2_SYS_CONTEXT_BLOB, syscontext_cast
#include "tss2_common.h"     // for TSS2_RC, TSS2_SYS_RC_BAD_REFERENCE
#include "tss2_mu.h"         // for Tss2_MU_TPMT_HA_Unmarshal, Tss2_MU_TPM2...
#include "tss2_sys.h"        // for TSS2_SYS_CONTEXT, TSS2L_SYS_AUTH_COMMAND
#include "tss2_tpm2_types.h" // for TPMT_HA, TPM2B_MAX_BUFFER, TPM2_CC_Fiel...

TSS2_RC
Tss2_Sys_FieldUpgradeData_Prepare(TSS2_SYS_CONTEXT *sysContext, TPM2B_MAX_BUFFER const *fuData) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (!ctx)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonPreparePrologue(ctx, TPM2_CC_FieldUpgradeData);
    if (rval)
        return rval;

    if (!fuData) {
        rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    } else {

        rval = Tss2_MU_TPM2B_MAX_BUFFER_Marshal(fuData, ctx->cmdBuffer, ctx->maxCmdSize,
                                                &ctx->nextData);
    }

    if (rval)
        return rval;

    ctx->decryptAllowed = 1;
    ctx->encryptAllowed = 0;
    ctx->authAllowed = 1;

    return CommonPrepareEpilogue(ctx);
}

TSS2_RC
Tss2_Sys_FieldUpgradeData_Complete(TSS2_SYS_CONTEXT *sysContext,
                                   TPMT_HA          *nextDigest,
                                   TPMT_HA          *firstDigest) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (!ctx)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonComplete(ctx);
    if (rval)
        return rval;

    rval = Tss2_MU_TPMT_HA_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, nextDigest);
    if (rval)
        return rval;

    return Tss2_MU_TPMT_HA_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, firstDigest);
}

TSS2_RC
Tss2_Sys_FieldUpgradeData(TSS2_SYS_CONTEXT             *sysContext,
                          TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
                          TPM2B_MAX_BUFFER const       *fuData,
                          TPMT_HA                      *nextDigest,
                          TPMT_HA                      *firstDigest,
                          TSS2L_SYS_AUTH_RESPONSE      *rspAuthsArray) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    rval = Tss2_Sys_FieldUpgradeData_Prepare(sysContext, fuData);
    if (rval)
        return rval;

    rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
    if (rval)
        return rval;

    return Tss2_Sys_FieldUpgradeData_Complete(sysContext, nextDigest, firstDigest);
}
