1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*******************************************************************************
3  * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
4  * All rights reserved.
5  *******************************************************************************/
6 
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10 
11 #include <stdlib.h>
12 
13 #include "tss2_esys.h"
14 
15 #include "esys_iutil.h"
16 #include "test-esys.h"
17 #define LOGMODULE test
18 #include "util/log.h"
19 #include "util/aux_util.h"
20 
21 /** Test the ESYS function Esys_HierarchyControl.
22  *
23  * The owner hierarchy will be disabled and with Esys_CreatePrimary it will
24  * be checked whether the owner hierarchy is disabled.
25  *
26  *\b Note: platform authorization needed.
27  *
28  * Tested ESYS commands:
29  *  - Esys_CreatePrimary() (M)
30  *  - Esys_FlushContext() (M)
31  *  - Esys_HierarchyControl() (M)
32  *
33  * @param[in,out] esys_context The ESYS_CONTEXT.
34  * @param[in] enable The hierarchy to enable or disable.
35  * @retval EXIT_FAILURE
36  * @retval EXIT_SKIP
37  * @retval EXIT_SUCCESS
38  */
39 int
test_esys_hierarchy_control(ESYS_CONTEXT * esys_context,ESYS_TR enable)40 test_esys_hierarchy_control(ESYS_CONTEXT * esys_context, ESYS_TR enable)
41 {
42     TSS2_RC r;
43 
44     ESYS_TR authHandle_handle = ESYS_TR_RH_PLATFORM;
45     TPMI_YES_NO state = TPM2_NO;
46     ESYS_TR primaryHandle = ESYS_TR_NONE;
47     int failure_return = EXIT_FAILURE;
48 
49     TPM2B_PUBLIC *outPublic = NULL;
50     TPM2B_CREATION_DATA *creationData = NULL;
51     TPM2B_DIGEST *creationHash = NULL;
52     TPMT_TK_CREATION *creationTicket = NULL;
53 
54     r = Esys_HierarchyControl(
55         esys_context,
56         authHandle_handle,
57         ESYS_TR_PASSWORD,
58         ESYS_TR_NONE,
59         ESYS_TR_NONE,
60         enable,
61         state);
62 
63     if (number_rc(r) == TPM2_RC_BAD_AUTH) {
64         /* Platform authorization not possible test will be skipped */
65         LOG_WARNING("Platform authorization not possible.");
66         return EXIT_SKIP;
67     }
68 
69     goto_if_error(r, "Error: HierarchyControl", error);
70 
71     TPM2B_SENSITIVE_CREATE inSensitivePrimary = {
72         .size = 0,
73         .sensitive = {
74             .userAuth = {
75                  .size = 0,
76                  .buffer = {0 },
77              },
78             .data = {
79                  .size = 0,
80                  .buffer = {0},
81              },
82         },
83     };
84 
85       TPM2B_PUBLIC inPublic = {
86         .size = 0,
87         .publicArea = {
88             .type = TPM2_ALG_RSA,
89             .nameAlg = TPM2_ALG_SHA256,
90             .objectAttributes = (TPMA_OBJECT_USERWITHAUTH |
91                                  TPMA_OBJECT_RESTRICTED |
92                                  TPMA_OBJECT_DECRYPT |
93                                  TPMA_OBJECT_FIXEDTPM |
94                                  TPMA_OBJECT_FIXEDPARENT |
95                                  TPMA_OBJECT_SENSITIVEDATAORIGIN),
96             .authPolicy = {
97                  .size = 0,
98              },
99             .parameters.rsaDetail = {
100                  .symmetric = {
101                      .algorithm = TPM2_ALG_AES,
102                      .keyBits.aes = 128,
103                      .mode.aes = TPM2_ALG_CFB},
104                  .scheme = {
105                       .scheme = TPM2_ALG_NULL
106                   },
107                  .keyBits = 2048,
108                  .exponent = 0,
109              },
110             .unique.rsa = {
111                  .size = 0,
112                  .buffer = {},
113              },
114         },
115     };
116     LOG_INFO("\nRSA key will be created.");
117 
118     TPM2B_DATA outsideInfo = {
119         .size = 0,
120         .buffer = {},
121     };
122 
123     TPML_PCR_SELECTION creationPCR = {
124         .count = 0,
125     };
126 
127     goto_if_error(r, "Error: TR_SetAuth", error);
128 
129     r = Esys_CreatePrimary(esys_context, ESYS_TR_RH_OWNER, ESYS_TR_PASSWORD,
130                            ESYS_TR_NONE, ESYS_TR_NONE, &inSensitivePrimary, &inPublic,
131                            &outsideInfo, &creationPCR, &primaryHandle,
132                            &outPublic, &creationData, &creationHash,
133                            &creationTicket);
134 
135     goto_error_if_not_failed(r, "Error: Create Primary", error);
136 
137     state = TPM2_YES;
138 
139     r = Esys_HierarchyControl(
140         esys_context,
141         authHandle_handle,
142         ESYS_TR_PASSWORD,
143         ESYS_TR_NONE,
144         ESYS_TR_NONE,
145         enable,
146         state);
147     goto_if_error(r, "Error: HierarchyControl", error);
148 
149     r = Esys_CreatePrimary(esys_context, ESYS_TR_RH_OWNER, ESYS_TR_PASSWORD,
150                            ESYS_TR_NONE, ESYS_TR_NONE, &inSensitivePrimary, &inPublic,
151                            &outsideInfo, &creationPCR, &primaryHandle,
152                            &outPublic, &creationData, &creationHash,
153                            &creationTicket);
154     goto_if_error(r, "Error esys create primary", error);
155 
156     r = Esys_FlushContext(esys_context, primaryHandle);
157     goto_if_error(r, "Error: FlushContext", error);
158 
159     Esys_Free(outPublic);
160     Esys_Free(creationData);
161     Esys_Free(creationHash);
162     Esys_Free(creationTicket);
163     return EXIT_SUCCESS;
164 
165  error:
166 
167     if (primaryHandle != ESYS_TR_NONE) {
168         if (Esys_FlushContext(esys_context, primaryHandle) != TSS2_RC_SUCCESS) {
169             LOG_ERROR("Cleanup primaryHandle failed.");
170         }
171     }
172 
173     Esys_Free(outPublic);
174     Esys_Free(creationData);
175     Esys_Free(creationHash);
176     Esys_Free(creationTicket);
177     return failure_return;
178 }
179 
180 int
test_invoke_esys(ESYS_CONTEXT * esys_context)181 test_invoke_esys(ESYS_CONTEXT * esys_context) {
182     int rc = test_esys_hierarchy_control(esys_context, ESYS_TR_RH_OWNER);
183     if (rc)
184         return rc;
185 
186     /*
187      * Test that backwards compat API change is still working, see:
188      *   - https://github.com/tpm2-software/tpm2-tss/issues/1750
189      */
190     return test_esys_hierarchy_control(esys_context, TPM2_RH_OWNER);
191 }
192