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152 lines
4.5 KiB
152 lines
4.5 KiB
/* SPDX-License-Identifier: BSD-2-Clause */
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/*******************************************************************************
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* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
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* All rights reserved.
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*******************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include "tss2_esys.h"
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#include "tss2_mu.h"
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#include "esys_iutil.h"
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#include "test-esapi.h"
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#define LOGMODULE test
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#include "util/log.h"
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#include "util/aux_util.h"
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#define FLUSH true
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#define NOT_FLUSH false
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/*
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* Function to compare policy digest with expected digest.
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* The digest is computed with Esys_PolicyGetDigest.
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*/
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bool
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cmp_policy_digest(ESYS_CONTEXT * esys_context,
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ESYS_TR * session,
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TPM2B_DIGEST * expected_digest,
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char *comment, bool flush_session)
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{
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TSS2_RC r;
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TPM2B_DIGEST *policyDigest;
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r = Esys_PolicyGetDigest(esys_context,
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*session,
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ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, &policyDigest);
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goto_if_error(r, "Error: PolicyGetDigest", error);
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LOGBLOB_DEBUG(&policyDigest->buffer[0], policyDigest->size,
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"POLICY DIGEST");
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if (policyDigest->size != 20
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|| memcmp(&policyDigest->buffer[0], &expected_digest->buffer[0],
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policyDigest->size)) {
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free(policyDigest);
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LOG_ERROR("Error: Policy%s digest did not match expected policy.",
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comment);
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return false;
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}
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free(policyDigest);
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if (flush_session) {
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r = Esys_FlushContext(esys_context, *session);
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goto_if_error(r, "Error: PolicyGetDigest", error);
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*session = ESYS_TR_NONE;
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}
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return true;
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error:
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return false;
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}
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/** This test is intended to test the ESAPI policy commands, not tested
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* in other test cases.
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* When possoble the commands are tested with a
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* trial session and the policy digest is compared with the expected digest.
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*
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* Tested ESAPI commands:
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* - Esys_PolicyPhysicalPresence() (O)
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*
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* @param[in,out] esys_context The ESYS_CONTEXT.
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* @retval EXIT_FAILURE
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* @retval EXIT_SKIP
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* @retval EXIT_SUCCESS
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*/
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int
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test_esys_policy_physical_presence_opt(ESYS_CONTEXT * esys_context)
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{
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TSS2_RC r;
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int failure_return = EXIT_FAILURE;
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/* Dummy parameters for trial sessoin */
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ESYS_TR sessionTrial = ESYS_TR_NONE;
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TPMT_SYM_DEF symmetricTrial = {.algorithm = TPM2_ALG_AES,
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.keyBits = {.aes = 128},
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.mode = {.aes = TPM2_ALG_CFB}
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};
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TPM2B_NONCE nonceCallerTrial = {
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.size = 20,
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.buffer = {11, 12, 13, 14, 15, 16, 17, 18, 19, 11,
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21, 22, 23, 24, 25, 26, 27, 28, 29, 30}
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};
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/*
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* Test PolicyPhysicalPresence
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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r = Esys_PolicyPhysicalPresence(esys_context,
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sessionTrial,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE);
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if ((r == TPM2_RC_COMMAND_CODE) ||
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(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_RC_LAYER)) ||
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(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_TPM_RC_LAYER))) {
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LOG_WARNING("Command TPM2_PolicyPhysicalPresence not supported by TPM.");
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failure_return = EXIT_SKIP;
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goto error;
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} else {
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goto_if_error(r, "Error: PolicyPhysicalPresence", error);
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}
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TPM2B_DIGEST expectedPolicyPhysicalPresence = {
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.size = 20,
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.buffer = {0x9a, 0xcb, 0x06, 0x39, 0x5f, 0x83, 0x1f, 0x88, 0xe8, 0x9e,
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0xea, 0xc2, 0x94, 0x42, 0xcb, 0x0e, 0xbe, 0x94, 0x85, 0xab}
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};
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if (!cmp_policy_digest
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(esys_context, &sessionTrial, &expectedPolicyPhysicalPresence,
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"PhysicalPresence", FLUSH))
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goto error;
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return EXIT_SUCCESS;
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error:
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if (sessionTrial != ESYS_TR_NONE) {
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if (Esys_FlushContext(esys_context, sessionTrial) != TSS2_RC_SUCCESS) {
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LOG_ERROR("Cleanup sessionTrial failed.");
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}
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}
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return failure_return;
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}
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int
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test_invoke_esapi(ESYS_CONTEXT * esys_context) {
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return test_esys_policy_physical_presence_opt(esys_context);
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}
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