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/* SPDX-License-Identifier: BSD-2-Clause */
/*******************************************************************************
* Copyright (c) 2020, Intel Corporation
* All rights reserved.
*******************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include "tss2_esys.h"
#include "esys_iutil.h"
#include "test-esapi.h"
#define LOGDEFAULT LOGLEVEL_INFO
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
/** Test auth verification in clear command
*
* After TPM2_Clear command is executed all auth values for
* owner, platofrm and lockout are set to empty buffers and
* the empty auth values should be used fot HMAC verification
* in the response.
*
* @param[in,out] esys_context The ESYS_CONTEXT.
* @retval EXIT_SUCCESS
* @retval EXIT_SKIP
* @retval EXIT_FAILURE
*/
int
test_esys_clear_auth(ESYS_CONTEXT * esys_context)
{
TSS2_RC r;
ESYS_TR session = ESYS_TR_NONE;
int failure_return = EXIT_FAILURE;
TPMT_SYM_DEF symmetric = {.algorithm = TPM2_ALG_XOR,
.keyBits = { .exclusiveOr = TPM2_ALG_SHA1 },
.mode = {.aes = TPM2_ALG_CFB}};
/* Test lockout authorization */
LOG_DEBUG("Test LOCKOUT authorization");
LOG_DEBUG("Start Auth Session");
r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
NULL,
TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
&session);
goto_if_error(r, "Error: During initialization of session", error);
TPM2B_AUTH auth = {
.size = 16,
.buffer = "deadbeefdeadbeef",
};
LOG_DEBUG("Set Auth");
r = Esys_HierarchyChangeAuth(esys_context, ESYS_TR_RH_LOCKOUT,
ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE,
&auth);
goto_if_error(r, "Error: During Esys_ObjectChangeAuth", error);
Esys_TR_SetAuth(esys_context, ESYS_TR_RH_LOCKOUT, &auth);
LOG_DEBUG("Clear");
r = Esys_Clear(esys_context, ESYS_TR_RH_LOCKOUT, session,
ESYS_TR_NONE, ESYS_TR_NONE);
goto_if_error(r, "Error: During Esys_Clear", error);
r = Esys_FlushContext(esys_context, session);
goto_if_error(r, "Error: During Esys_FlushContext", error);
/* Test platform authorization */
LOG_DEBUG("Test PLATFORM authorization");
LOG_DEBUG("Start Auth Session");
r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
NULL,
TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1,
&session);
goto_if_error(r, "Error: During initialization of session", error);
LOG_DEBUG("Set Auth");
r = Esys_HierarchyChangeAuth(esys_context, ESYS_TR_RH_PLATFORM,
ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE,
&auth);
if ((r & ~TPM2_RC_N_MASK) == TPM2_RC_BAD_AUTH ||
(r & ~TPM2_RC_N_MASK) == TPM2_RC_HIERARCHY) {
/* Platform authorization not possible test will be skipped */
LOG_WARNING("Platform authorization not possible.");
failure_return = EXIT_SKIP;
goto error;
}
goto_if_error(r, "Error: During Esys_ObjectChangeAuth", error);
Esys_TR_SetAuth(esys_context, ESYS_TR_RH_PLATFORM, &auth);
LOG_DEBUG("Clear");
r = Esys_Clear(esys_context, ESYS_TR_RH_PLATFORM, session,
ESYS_TR_NONE, ESYS_TR_NONE);
goto_if_error(r, "Error: During Esys_Clear", error);
r = Esys_FlushContext(esys_context, session);
goto_if_error(r, "Error: During Esys_FlushContext", error);
Esys_TR_SetAuth(esys_context, ESYS_TR_RH_PLATFORM, &auth);
LOG_DEBUG("Set Auth");
r = Esys_HierarchyChangeAuth(esys_context, ESYS_TR_RH_PLATFORM,
ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE,
NULL);
goto_if_error(r, "Error: During Esys_ObjectChangeAuth", error);
return EXIT_SUCCESS;
error:
LOG_ERROR("\nError Code: %x\n", r);
if (session != ESYS_TR_NONE) {
if (Esys_FlushContext(esys_context, session) != TSS2_RC_SUCCESS) {
LOG_ERROR("Cleanup session failed.");
}
}
return failure_return;
}
int
test_invoke_esapi(ESYS_CONTEXT * esys_context) {
return test_esys_clear_auth(esys_context);
}