| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /******************************************************************************* |
| * Copyright 2017-2019, Intel Corporation |
| * All rights reserved. |
| *******************************************************************************/ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| #include "tss2_esys.h" |
| #include "esys_iutil.h" |
| #define LOGMODULE test |
| #include "util/log.h" |
| #include "util/aux_util.h" |
| |
| /** This test is intended to test auto adjust and restore session flags in ESYS |
| * |
| * Tested ESYS commands: |
| * - Esys_FlushContext() (M) |
| * - Esys_NV_DefineSpace() (M) |
| * - Esys_NV_Read() (M) |
| * - Esys_NV_Write() (M) |
| * - Esys_NV_UndefineSpace() (M) |
| * - Esys_StartAuthSession() (M) |
| * |
| * @param[in,out] esys_context The ESYS_CONTEXT. |
| * @retval EXIT_FAILURE |
| * @retval EXIT_SUCCESS |
| */ |
| |
| int |
| test_esys_auto_flags(ESYS_CONTEXT * esys_context) |
| { |
| |
| TSS2_RC r; |
| int test_ret = EXIT_SUCCESS ; |
| ESYS_TR nvHandle = ESYS_TR_NONE; |
| ESYS_TR session_auth = ESYS_TR_NONE; |
| ESYS_TR session_enc = ESYS_TR_NONE; |
| TPMT_SYM_DEF symmetric = {.algorithm = TPM2_ALG_AES, |
| .keyBits = {.aes = 128}, |
| .mode = {.aes = TPM2_ALG_CFB} |
| }; |
| |
| 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} |
| }; |
| |
| /* Auth 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_auth); |
| goto_if_error(r, "Error: During initialization of session_auth", error); |
| |
| /* Enc param 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_enc); |
| goto_if_error(r, "Error: During initialization of session_enc", error); |
| |
| /* Set both ENC and DEC flags for the enc session */ |
| TPMA_SESSION sessionAttributes = TPMA_SESSION_DECRYPT | |
| TPMA_SESSION_ENCRYPT | |
| TPMA_SESSION_CONTINUESESSION; |
| |
| r = Esys_TRSess_SetAttributes(esys_context, session_enc, sessionAttributes, 0xFF); |
| goto_if_error(r, "Error: During SetAttributes", error); |
| |
| TPM2B_AUTH auth = {.size = 20, |
| .buffer={10, 11, 12, 13, 14, 15, 16, 17, 18, 19, |
| 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}}; |
| |
| TPM2B_NV_PUBLIC publicInfo = { |
| .size = 0, |
| .nvPublic = { |
| .nvIndex =TPM2_NV_INDEX_FIRST, |
| .nameAlg = TPM2_ALG_SHA1, |
| .attributes = ( |
| TPMA_NV_OWNERWRITE | |
| TPMA_NV_AUTHWRITE | |
| TPMA_NV_WRITE_STCLEAR | |
| TPMA_NV_READ_STCLEAR | |
| TPMA_NV_AUTHREAD | |
| TPMA_NV_OWNERREAD |
| ), |
| .authPolicy = { |
| .size = 0, |
| .buffer = {}, |
| }, |
| .dataSize = 20, |
| } |
| }; |
| |
| r = Esys_NV_DefineSpace ( |
| esys_context, |
| ESYS_TR_RH_OWNER, |
| session_auth, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &auth, |
| &publicInfo, |
| &nvHandle); |
| goto_if_error(r, "Error esys define nv space", error); |
| |
| TPM2B_MAX_NV_BUFFER nv_test_data = { .size = 20, |
| .buffer={0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, |
| 1, 2, 3, 4, 5, 6, 7, 8, 9}}; |
| const TPM2B_MAX_NV_BUFFER *nv_test_data_ptr = &nv_test_data; |
| |
| /* NV_Write cmd does not support TPMA_SESSION_ENCRYPT - the flag should |
| * be auto cleared by ESYS */ |
| r = Esys_NV_Write( |
| esys_context, |
| nvHandle, |
| nvHandle, |
| session_enc, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| nv_test_data_ptr, |
| 0); |
| goto_if_error(r, "Error esys nv write", error); |
| |
| /* Verify that the same session flags are still set after the test */ |
| TPMA_SESSION sessionAttributesVerify; |
| r = Esys_TRSess_GetAttributes(esys_context, session_enc, |
| &sessionAttributesVerify); |
| goto_if_error(r, "Error: During GetAttributes", error); |
| |
| if (sessionAttributes != sessionAttributesVerify) { |
| LOG_ERROR("Session flags not equal after write %x, %x", |
| sessionAttributes, sessionAttributesVerify); |
| r = TSS2_ESYS_RC_GENERAL_FAILURE; |
| goto_if_error(r, "Error esys nv write", error); |
| } |
| |
| TPM2B_MAX_NV_BUFFER *data; |
| |
| /* NV_Read cmd does not support TPMA_SESSION_DECRYPT - the flags should |
| * be auto cleared by ESYS */ |
| r = Esys_NV_Read( |
| esys_context, |
| nvHandle, |
| nvHandle, |
| session_enc, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| 20, 0, &data); |
| goto_if_error(r, "Error: nv read", error); |
| free(data); |
| |
| /* Verify that the same session flags are still set after the test */ |
| r = Esys_TRSess_GetAttributes(esys_context, session_enc, |
| &sessionAttributesVerify); |
| goto_if_error(r, "Error: During GetAttributes", error); |
| |
| if (sessionAttributes != sessionAttributesVerify) { |
| LOG_ERROR("Session flags not equal after read %x, %x", |
| sessionAttributes, sessionAttributesVerify); |
| r = TSS2_ESYS_RC_GENERAL_FAILURE; |
| } |
| |
| error: |
| if (r) |
| test_ret = EXIT_FAILURE; |
| |
| if (nvHandle != ESYS_TR_NONE) { |
| if (Esys_NV_UndefineSpace(esys_context, |
| ESYS_TR_RH_OWNER, |
| nvHandle, |
| session_auth, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup nvHandle failed."); |
| } |
| } |
| |
| if (session_auth != ESYS_TR_NONE) { |
| if (Esys_FlushContext(esys_context, session_auth) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup session_auth failed."); |
| } |
| } |
| if (session_enc != ESYS_TR_NONE) { |
| if (Esys_FlushContext(esys_context, session_enc) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup session_enc failed."); |
| } |
| } |
| |
| return test_ret; |
| } |
| |
| int |
| test_invoke_esys(ESYS_CONTEXT * esys_context) { |
| return test_esys_auto_flags(esys_context); |
| } |