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

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "tss2_tpm2_types.h"
#include "tss2_mu.h"
#include "sysapi_util.h"

TSS2_RC Tss2_Sys_Create_Prepare(
    TSS2_SYS_CONTEXT *sysContext,
    TPMI_DH_OBJECT parentHandle,
    const TPM2B_SENSITIVE_CREATE *inSensitive,
    const TPM2B_PUBLIC *inPublic,
    const TPM2B_DATA *outsideInfo,
    const TPML_PCR_SELECTION *creationPCR)
{
    _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC rval;

    if (!ctx || !creationPCR)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = ValidateTPML_PCR_SELECTION(creationPCR);
    if (rval)
        return rval;

    rval = CommonPreparePrologue(ctx, TPM2_CC_Create);
    if (rval)
        return rval;

    rval = Tss2_MU_UINT32_Marshal(parentHandle, ctx->cmdBuffer,
                                  ctx->maxCmdSize,
                                  &ctx->nextData);
    if (rval)
        return rval;

    if (!inSensitive) {
        ctx->decryptNull = 1;

        rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer,
                                      ctx->maxCmdSize,
                                      &ctx->nextData);
    } else {

        rval = Tss2_MU_TPM2B_SENSITIVE_CREATE_Marshal(inSensitive,
                                                      ctx->cmdBuffer,
                                                      ctx->maxCmdSize,
                                                      &ctx->nextData);
    }

    if (rval)
        return rval;

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

    } else {

        rval = ValidatePublicTemplate(inPublic);

        if (rval)
            return rval;

        rval = Tss2_MU_TPM2B_PUBLIC_Marshal(inPublic, ctx->cmdBuffer,
                                            ctx->maxCmdSize,
                                            &ctx->nextData);
    }

    if (rval)
        return rval;

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

    } else {

        rval = Tss2_MU_TPM2B_DATA_Marshal(outsideInfo, ctx->cmdBuffer,
                                          ctx->maxCmdSize,
                                          &ctx->nextData);
    }

    if (rval)
        return rval;

    rval = Tss2_MU_TPML_PCR_SELECTION_Marshal(creationPCR,
                                              ctx->cmdBuffer,
                                              ctx->maxCmdSize,
                                              &ctx->nextData);
    if (rval)
        return rval;

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

    return CommonPrepareEpilogue(ctx);
}

TSS2_RC Tss2_Sys_Create_Complete(
    TSS2_SYS_CONTEXT *sysContext,
    TPM2B_PRIVATE *outPrivate,
    TPM2B_PUBLIC *outPublic,
    TPM2B_CREATION_DATA *creationData,
    TPM2B_DIGEST *creationHash,
    TPMT_TK_CREATION *creationTicket)
{
    _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_TPM2B_PRIVATE_Unmarshal(ctx->cmdBuffer,
                                           ctx->maxCmdSize,
                                           &ctx->nextData,
                                           outPrivate);
    if (rval)
        return rval;

    rval = Tss2_MU_TPM2B_PUBLIC_Unmarshal(ctx->cmdBuffer,
                                          ctx->maxCmdSize,
                                          &ctx->nextData,
                                          outPublic);
    if (rval)
        return rval;

    rval = Tss2_MU_TPM2B_CREATION_DATA_Unmarshal(ctx->cmdBuffer,
                                                 ctx->maxCmdSize,
                                                 &ctx->nextData,
                                                 creationData);
    if (rval)
        return rval;

    rval = Tss2_MU_TPM2B_DIGEST_Unmarshal(ctx->cmdBuffer,
                                          ctx->maxCmdSize,
                                          &ctx->nextData,
                                          creationHash);
    if (rval)
        return rval;

    return Tss2_MU_TPMT_TK_CREATION_Unmarshal(ctx->cmdBuffer,
                                          ctx->maxCmdSize,
                                          &ctx->nextData,
                                          creationTicket);
}

TSS2_RC Tss2_Sys_Create(
    TSS2_SYS_CONTEXT *sysContext,
    TPMI_DH_OBJECT parentHandle,
    TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
    const TPM2B_SENSITIVE_CREATE *inSensitive,
    const TPM2B_PUBLIC *inPublic,
    const TPM2B_DATA *outsideInfo,
    const TPML_PCR_SELECTION *creationPCR,
    TPM2B_PRIVATE *outPrivate,
    TPM2B_PUBLIC *outPublic,
    TPM2B_CREATION_DATA *creationData,
    TPM2B_DIGEST *creationHash,
    TPMT_TK_CREATION *creationTicket,
    TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
{
    _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC rval;

    if (!creationPCR)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = Tss2_Sys_Create_Prepare(sysContext, parentHandle, inSensitive,
                                   inPublic, outsideInfo, creationPCR);
    if (rval)
        return rval;

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

    return Tss2_Sys_Create_Complete(sysContext, outPrivate, outPublic,
                                    creationData, creationHash, creationTicket);
}