| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /******************************************************************************* |
| * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG |
| * All rights reserved. |
| *******************************************************************************/ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| |
| #include "tss2_esys.h" |
| |
| #include "esys_iutil.h" |
| #include "test-esys.h" |
| #define LOGMODULE test |
| #include "util/log.h" |
| #include "util/aux_util.h" |
| |
| /** Test the ESYS function Esys_ClockSet and Esys_ReadClock. |
| * |
| *\b Note: platform authorization needed. |
| * |
| * Tested ESYS commands: |
| * - Esys_ClockRateAdjust() (M) |
| * - Esys_ClockSet() (M) |
| * - Esys_ReadClock() (M) |
| * |
| * Used compiler defines: TEST_SESSION |
| * |
| * @param[in,out] esys_context The ESYS_CONTEXT. |
| * @retval EXIT_FAILURE |
| * @retval EXIT_SKIP |
| * @retval EXIT_SUCCESS |
| */ |
| int |
| test_esys_clockset(ESYS_CONTEXT * esys_context) |
| { |
| |
| TSS2_RC r; |
| int failure_return = EXIT_FAILURE; |
| |
| ESYS_TR auth_handle = ESYS_TR_RH_OWNER; |
| TPMS_TIME_INFO *currentTime = NULL; |
| |
| #ifdef TEST_SESSION |
| ESYS_TR session = ESYS_TR_NONE; |
| TPMT_SYM_DEF symmetric = { .algorithm = TPM2_ALG_NULL }; |
| TPM2B_NONCE nonceCaller = { |
| .size = 20, |
| .buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} |
| }; |
| |
| /* Audit session */ |
| r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE, |
| ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, |
| &nonceCaller, |
| TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA1, |
| &session); |
| goto_if_error(r, "Error: During initialization of session", error); |
| |
| TPMA_SESSION sessionAttributes = TPMA_SESSION_AUDIT | |
| TPMA_SESSION_CONTINUESESSION; |
| |
| r = Esys_TRSess_SetAttributes(esys_context, session, sessionAttributes, 0xFF); |
| goto_if_error(r, "Error: During SetAttributes", error); |
| |
| r = Esys_ReadClock(esys_context, |
| session, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ¤tTime); |
| |
| /* TPMs before Revision 1.38 might not support session usage*/ |
| if ((r == TPM2_RC_AUTH_CONTEXT ) || |
| (r == (TPM2_RC_AUTH_CONTEXT | TSS2_RESMGR_RC_LAYER)) || |
| (r == (TPM2_RC_AUTH_CONTEXT | TSS2_RESMGR_TPM_RC_LAYER))) { |
| LOG_WARNING("Session usage not supported by TPM."); |
| failure_return = EXIT_SKIP; |
| goto error; |
| } |
| |
| #else |
| r = Esys_ReadClock(esys_context, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ¤tTime); |
| #endif |
| goto_if_error(r, "Error: ReadClock", error); |
| |
| UINT64 newTime = currentTime->clockInfo.clock + 010000; |
| |
| r = Esys_ClockSet(esys_context, |
| auth_handle, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| newTime); |
| |
| if (number_rc(r) == TPM2_RC_BAD_AUTH) { |
| /* 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: ClockSet", error); |
| |
| r = Esys_ClockRateAdjust(esys_context, |
| auth_handle, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| TPM2_CLOCK_MEDIUM_FASTER); |
| goto_if_error(r, "Error: ClockRateAdjust", error); |
| |
| r = Esys_ClockRateAdjust(esys_context, |
| auth_handle, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| TPM2_CLOCK_MEDIUM_SLOWER); |
| goto_if_error(r, "Error: ClockRateAdjust", error); |
| Esys_Free(currentTime); |
| #ifdef TEST_SESSION |
| if (session != ESYS_TR_NONE) { |
| if (Esys_FlushContext(esys_context, session) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup session_enc failed."); |
| } |
| } |
| #endif |
| return EXIT_SUCCESS; |
| |
| error: |
| Esys_Free(currentTime); |
| #ifdef TEST_SESSION |
| if (session != ESYS_TR_NONE) { |
| if (Esys_FlushContext(esys_context, session) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup session_enc failed."); |
| } |
| } |
| #endif |
| return failure_return; |
| } |
| |
| int |
| test_invoke_esys(ESYS_CONTEXT * esys_context) { |
| return test_esys_clockset(esys_context); |
| } |