/* 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_UINT16_Marshal, Tss2_MU_TPM2B_D...
#include "tss2_sys.h"        // for TSS2_SYS_CONTEXT, TSS2L_SYS_AUTH_COMMAND
#include "tss2_tpm2_types.h" // for TPM2B_PRIVATE, TPM2B_DATA, TPM2B_ENCRYP...

TSS2_RC
Tss2_Sys_Import_Prepare(TSS2_SYS_CONTEXT             *sysContext,
                        TPMI_DH_OBJECT                parentHandle,
                        const TPM2B_DATA             *encryptionKey,
                        const TPM2B_PUBLIC           *objectPublic,
                        const TPM2B_PRIVATE          *duplicate,
                        const TPM2B_ENCRYPTED_SECRET *inSymSeed,
                        const TPMT_SYM_DEF_OBJECT    *symmetricAlg) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

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

    rval = CommonPreparePrologue(ctx, TPM2_CC_Import);
    if (rval)
        return rval;

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

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

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

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

    if (rval)
        return rval;

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

    } else {
        rval = ValidatePublicTemplate(objectPublic);

        if (rval)
            return rval;
        rval = Tss2_MU_TPM2B_PUBLIC_Marshal(objectPublic, ctx->cmdBuffer, ctx->maxCmdSize,
                                            &ctx->nextData);
    }

    if (rval)
        return rval;

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

    } else {

        rval = Tss2_MU_TPM2B_PRIVATE_Marshal(duplicate, ctx->cmdBuffer, ctx->maxCmdSize,
                                             &ctx->nextData);
    }

    if (rval)
        return rval;

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

    } else {

        rval = Tss2_MU_TPM2B_ENCRYPTED_SECRET_Marshal(inSymSeed, ctx->cmdBuffer, ctx->maxCmdSize,
                                                      &ctx->nextData);
    }

    if (rval)
        return rval;

    rval = Tss2_MU_TPMT_SYM_DEF_OBJECT_Marshal(symmetricAlg, 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_Import_Complete(TSS2_SYS_CONTEXT *sysContext, TPM2B_PRIVATE *outPrivate) {
    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;

    return Tss2_MU_TPM2B_PRIVATE_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData,
                                           outPrivate);
}

TSS2_RC
Tss2_Sys_Import(TSS2_SYS_CONTEXT             *sysContext,
                TPMI_DH_OBJECT                parentHandle,
                TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
                const TPM2B_DATA             *encryptionKey,
                const TPM2B_PUBLIC           *objectPublic,
                const TPM2B_PRIVATE          *duplicate,
                const TPM2B_ENCRYPTED_SECRET *inSymSeed,
                const TPMT_SYM_DEF_OBJECT    *symmetricAlg,
                TPM2B_PRIVATE                *outPrivate,
                TSS2L_SYS_AUTH_RESPONSE      *rspAuthsArray) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (!symmetricAlg)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = Tss2_Sys_Import_Prepare(sysContext, parentHandle, encryptionKey, objectPublic, duplicate,
                                   inSymSeed, symmetricAlg);
    if (rval)
        return rval;

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

    return Tss2_Sys_Import_Complete(sysContext, outPrivate);
}
