/* 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_UINT32_Marshal
#include "tss2_sys.h"        // for TSS2_SYS_CONTEXT, TSS2L_SYS_AUTH_COMMAND
#include "tss2_tpm2_types.h" // for TPMI_RH_NV_AUTH, TPMI_RH_NV_INDEX, TPM2...

TSS2_RC
Tss2_Sys_NV_WriteLock_Prepare(TSS2_SYS_CONTEXT *sysContext,
                              TPMI_RH_NV_AUTH   authHandle,
                              TPMI_RH_NV_INDEX  nvIndex) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (!ctx)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonPreparePrologue(ctx, TPM2_CC_NV_WriteLock);
    if (rval)
        return rval;

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

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

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

    return CommonPrepareEpilogue(ctx);
}

TSS2_RC
Tss2_Sys_NV_WriteLock_Complete(TSS2_SYS_CONTEXT *sysContext) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);

    if (!ctx)
        return TSS2_SYS_RC_BAD_REFERENCE;

    return CommonComplete(ctx);
}

TSS2_RC
Tss2_Sys_NV_WriteLock(TSS2_SYS_CONTEXT             *sysContext,
                      TPMI_RH_NV_AUTH               authHandle,
                      TPMI_RH_NV_INDEX              nvIndex,
                      TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
                      TSS2L_SYS_AUTH_RESPONSE      *rspAuthsArray) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    rval = Tss2_Sys_NV_WriteLock_Prepare(sysContext, authHandle, nvIndex);
    if (rval)
        return rval;

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

    return Tss2_Sys_NV_WriteLock_Complete(sysContext);
}
