1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
|
/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004-2006
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "trousers/tss.h"
#include "trousers/trousers.h"
#include "trousers_types.h"
#include "spi_utils.h"
#include "capabilities.h"
#include "tsplog.h"
#include "obj.h"
TSS_RESULT
Tspi_TPM_GetCapability(TSS_HTPM hTPM, /* in */
TSS_FLAG capArea, /* in */
UINT32 ulSubCapLength, /* in */
BYTE * rgbSubCap, /* in */
UINT32 * pulRespDataLength, /* out */
BYTE ** prgbRespData) /* out */
{
TSS_HCONTEXT tspContext;
TPM_CAPABILITY_AREA tcsCapArea;
UINT32 tcsSubCap = 0;
UINT32 tcsSubCapContainer;
TSS_RESULT result;
UINT32 nonVolFlags, volFlags, respLen;
BYTE *respData;
UINT64 offset;
TSS_BOOL fOwnerAuth = FALSE, endianFlag = TRUE;
if (pulRespDataLength == NULL || prgbRespData == NULL)
return TSPERR(TSS_E_BAD_PARAMETER);
if ((result = obj_tpm_get_tsp_context(hTPM, &tspContext)))
return result;
/* Verify the caps and subcaps */
switch (capArea) {
case TSS_TPMCAP_ORD:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TCPA_CAP_ORD;
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
case TSS_TPMCAP_FLAG:
fOwnerAuth = TRUE;
break;
case TSS_TPMCAP_AUTH_ENCRYPT:
case TSS_TPMCAP_ALG:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
/* Test capArea again here in order to keep from having to duplicate the switch
* statement below */
tcsCapArea = (capArea == TSS_TPMCAP_ALG ? TPM_CAP_ALG : TPM_CAP_AUTH_ENCRYPT);
switch (*(UINT32 *)rgbSubCap) {
case TSS_ALG_RSA:
tcsSubCap = TPM_ALG_RSA;
break;
case TSS_ALG_AES128:
tcsSubCap = TPM_ALG_AES128;
break;
case TSS_ALG_AES192:
tcsSubCap = TPM_ALG_AES192;
break;
case TSS_ALG_AES256:
tcsSubCap = TPM_ALG_AES256;
break;
case TSS_ALG_3DES:
tcsSubCap = TPM_ALG_3DES;
break;
case TSS_ALG_DES:
tcsSubCap = TPM_ALG_DES;
break;
case TSS_ALG_SHA:
tcsSubCap = TPM_ALG_SHA;
break;
case TSS_ALG_HMAC:
tcsSubCap = TPM_ALG_HMAC;
break;
case TSS_ALG_MGF1:
tcsSubCap = TPM_ALG_MGF1;
break;
case TSS_ALG_XOR:
tcsSubCap = TPM_ALG_XOR;
break;
default:
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
}
break;
#ifdef TSS_BUILD_NV
case TSS_TPMCAP_NV_LIST:
tcsCapArea = TPM_CAP_NV_LIST;
endianFlag = FALSE;
break;
case TSS_TPMCAP_NV_INDEX:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TPM_CAP_NV_INDEX;
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
#endif
case TSS_TPMCAP_PROPERTY: /* Determines a physical property of the TPM. */
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TCPA_CAP_PROPERTY;
tcsSubCapContainer = *(UINT32 *)rgbSubCap;
switch (tcsSubCapContainer) {
case TSS_TPMCAP_PROP_PCR:
tcsSubCap = TPM_CAP_PROP_PCR;
break;
case TSS_TPMCAP_PROP_DIR:
tcsSubCap = TPM_CAP_PROP_DIR;
break;
/* case TSS_TPMCAP_PROP_SLOTS: */
case TSS_TPMCAP_PROP_KEYS:
tcsSubCap = TPM_CAP_PROP_SLOTS;
break;
case TSS_TPMCAP_PROP_MANUFACTURER:
tcsSubCap = TPM_CAP_PROP_MANUFACTURER;
endianFlag = FALSE;
break;
case TSS_TPMCAP_PROP_COUNTERS:
tcsSubCap = TPM_CAP_PROP_COUNTERS;
break;
case TSS_TPMCAP_PROP_MAXCOUNTERS:
tcsSubCap = TPM_CAP_PROP_MAX_COUNTERS;
break;
/*case TSS_TPMCAP_PROP_MINCOUNTERINCTIME: */
case TSS_TPMCAP_PROP_MIN_COUNTER:
tcsSubCap = TPM_CAP_PROP_MIN_COUNTER;
break;
case TSS_TPMCAP_PROP_ACTIVECOUNTER:
tcsSubCap = TPM_CAP_PROP_ACTIVE_COUNTER;
break;
case TSS_TPMCAP_PROP_TRANSESSIONS:
tcsSubCap = TPM_CAP_PROP_TRANSSESS;
break;
case TSS_TPMCAP_PROP_MAXTRANSESSIONS:
tcsSubCap = TPM_CAP_PROP_MAX_TRANSSESS;
break;
case TSS_TPMCAP_PROP_SESSIONS:
tcsSubCap = TPM_CAP_PROP_SESSIONS;
break;
case TSS_TPMCAP_PROP_MAXSESSIONS:
tcsSubCap = TPM_CAP_PROP_MAX_SESSIONS;
break;
case TSS_TPMCAP_PROP_FAMILYROWS:
tcsSubCap = TPM_CAP_PROP_FAMILYROWS;
break;
case TSS_TPMCAP_PROP_DELEGATEROWS:
tcsSubCap = TPM_CAP_PROP_DELEGATE_ROW;
break;
case TSS_TPMCAP_PROP_OWNER:
tcsSubCap = TPM_CAP_PROP_OWNER;
break;
case TSS_TPMCAP_PROP_MAXKEYS:
tcsSubCap = TPM_CAP_PROP_MAX_KEYS;
break;
case TSS_TPMCAP_PROP_AUTHSESSIONS:
tcsSubCap = TPM_CAP_PROP_AUTHSESS;
break;
case TSS_TPMCAP_PROP_MAXAUTHSESSIONS:
tcsSubCap = TPM_CAP_PROP_MAX_AUTHSESS;
break;
case TSS_TPMCAP_PROP_CONTEXTS:
tcsSubCap = TPM_CAP_PROP_CONTEXT;
break;
case TSS_TPMCAP_PROP_MAXCONTEXTS:
tcsSubCap = TPM_CAP_PROP_MAX_CONTEXT;
break;
case TSS_TPMCAP_PROP_DAASESSIONS:
tcsSubCap = TPM_CAP_PROP_SESSION_DAA;
break;
case TSS_TPMCAP_PROP_MAXDAASESSIONS:
tcsSubCap = TPM_CAP_PROP_DAA_MAX;
break;
case TSS_TPMCAP_PROP_TISTIMEOUTS:
tcsSubCap = TPM_CAP_PROP_TIS_TIMEOUT;
break;
case TSS_TPMCAP_PROP_STARTUPEFFECTS:
tcsSubCap = TPM_CAP_PROP_STARTUP_EFFECT;
endianFlag = FALSE;
break;
case TSS_TPMCAP_PROP_MAXCONTEXTCOUNTDIST:
tcsSubCap = TPM_CAP_PROP_CONTEXT_DIST;
break;
case TSS_TPMCAP_PROP_CMKRESTRICTION:
tcsSubCap = TPM_CAP_PROP_CMK_RESTRICTION;
break;
case TSS_TPMCAP_PROP_DURATION:
tcsSubCap = TPM_CAP_PROP_DURATION;
break;
case TSS_TPMCAP_PROP_MAXNVAVAILABLE:
tcsSubCap = TPM_CAP_PROP_NV_AVAILABLE;
break;
case TSS_TPMCAP_PROP_INPUTBUFFERSIZE:
tcsSubCap = TPM_CAP_PROP_INPUT_BUFFER;
break;
#if 0
/* There isn't a way to query the TPM for these, the TPMWG is considering how to
* address some of them in the next version of the TPM - KEY Oct 15, 2007*/
case TSS_TPMCAP_PROP_MAXNVWRITE:
break;
case TSS_TPMCAP_PROP_REVISION:
break;
case TSS_TPMCAP_PROP_LOCALITIES_AVAIL:
break;
case TSS_TPMCAP_PROP_PCRMAP:
break;
#endif
default:
return TSPERR(TSS_E_BAD_PARAMETER);
}
break;
case TSS_TPMCAP_VERSION: /* Queries the current TPM version. */
tcsCapArea = TCPA_CAP_VERSION;
endianFlag = FALSE;
break;
case TSS_TPMCAP_VERSION_VAL: /* Queries the current TPM version for 1.2 TPM device. */
tcsCapArea = TPM_CAP_VERSION_VAL;
endianFlag = FALSE;
break;
case TSS_TPMCAP_MFR:
tcsCapArea = TPM_CAP_MFR;
endianFlag = FALSE;
break;
case TSS_TPMCAP_SYM_MODE:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TPM_CAP_SYM_MODE;
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
case TSS_TPMCAP_HANDLE:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TPM_CAP_HANDLE;
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
case TSS_TPMCAP_TRANS_ES:
if ((ulSubCapLength != sizeof(UINT32)) || !rgbSubCap)
return TSPERR(TSS_E_BAD_PARAMETER);
tcsCapArea = TPM_CAP_TRANS_ES;
switch (*(UINT32 *)rgbSubCap) {
case TSS_ES_NONE:
tcsSubCap = TPM_ES_NONE;
break;
case TSS_ES_RSAESPKCSV15:
tcsSubCap = TPM_ES_RSAESPKCSv15;
break;
case TSS_ES_RSAESOAEP_SHA1_MGF1:
tcsSubCap = TPM_ES_RSAESOAEP_SHA1_MGF1;
break;
case TSS_ES_SYM_CNT:
tcsSubCap = TPM_ES_SYM_CNT;
break;
case TSS_ES_SYM_OFB:
tcsSubCap = TPM_ES_SYM_OFB;
break;
case TSS_ES_SYM_CBC_PKCS5PAD:
tcsSubCap = TPM_ES_SYM_CBC_PKCS5PAD;
break;
default:
tcsSubCap = *(UINT32 *)rgbSubCap;
break;
}
break;
default:
return TSPERR(TSS_E_BAD_PARAMETER);
break;
}
if (fOwnerAuth) {
/* do an owner authorized get capability call */
if ((result = get_tpm_flags(tspContext, hTPM, &volFlags, &nonVolFlags)))
return result;
respLen = 2 * sizeof(UINT32);
respData = calloc_tspi(tspContext, respLen);
if (respData == NULL) {
LogError("malloc of %u bytes failed.", respLen);
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_LoadBlob_UINT32(&offset, nonVolFlags, respData);
Trspi_LoadBlob_UINT32(&offset, volFlags, respData);
*pulRespDataLength = respLen;
*prgbRespData = respData;
return TSS_SUCCESS;
}
tcsSubCap = endian32(tcsSubCap);
if ((result = TCS_API(tspContext)->GetTPMCapability(tspContext, tcsCapArea, ulSubCapLength,
(BYTE *)&tcsSubCap, pulRespDataLength,
prgbRespData)))
return result;
if (endianFlag) {
if (*pulRespDataLength == sizeof(UINT32))
*(UINT32 *)(*prgbRespData) = endian32(*(UINT32 *)(*prgbRespData));
else if (*pulRespDataLength == sizeof(UINT16))
*(UINT32 *)(*prgbRespData) = endian16(*(UINT32 *)(*prgbRespData));
}
if ((result = __tspi_add_mem_entry(tspContext, *prgbRespData))) {
free(*prgbRespData);
*prgbRespData = NULL;
*pulRespDataLength = 0;
return result;
}
return TSS_SUCCESS;
}
TSS_RESULT
Tspi_TPM_GetCapabilitySigned(TSS_HTPM hTPM, /* in */
TSS_HTPM hKey, /* in */
TSS_FLAG capArea, /* in */
UINT32 ulSubCapLength, /* in */
BYTE * rgbSubCap, /* in */
TSS_VALIDATION * pValidationData, /* in, out */
UINT32 * pulRespDataLength, /* out */
BYTE ** prgbRespData) /* out */
{
/*
* Function was found to have a vulnerability, so implementation is not
* required by the TSS 1.1b spec.
*/
return TSPERR(TSS_E_NOTIMPL);
}
|
