1
2 /*
3 * Licensed Materials - Property of IBM
4 *
5 * trousers - An open source TCG Software Stack
6 *
7 * (C) Copyright International Business Machines Corp. 2004
8 *
9 */
10
11
12 #include <stdlib.h>
13 #include <stdio.h>
14 #include <string.h>
15 #include <inttypes.h>
16
17 #include "trousers/tss.h"
18 #include "trousers_types.h"
19 #include "tcs_tsp.h"
20 #include "tcsps.h"
21 #include "tcs_utils.h"
22 #include "tcs_int_literals.h"
23 #include "capabilities.h"
24 #include "tcslog.h"
25 #include "req_mgr.h"
26 #include "tcsd_wrap.h"
27 #include "tcsd.h"
28
29 TSS_RESULT
TCSP_DirWriteAuth_Internal(TCS_CONTEXT_HANDLE hContext,TCPA_DIRINDEX dirIndex,TCPA_DIRVALUE newContents,TPM_AUTH * ownerAuth)30 TCSP_DirWriteAuth_Internal(TCS_CONTEXT_HANDLE hContext, /* in */
31 TCPA_DIRINDEX dirIndex, /* in */
32 TCPA_DIRVALUE newContents, /* in */
33 TPM_AUTH * ownerAuth) /* in, out */
34 {
35 UINT64 offset = 0;
36 UINT32 paramSize;
37 TSS_RESULT result;
38 BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
39
40 LogDebug("Entering dirwriteauth");
41 if ((result = ctx_verify_context(hContext)))
42 goto done;
43
44 if ((result = auth_mgr_check(hContext, &ownerAuth->AuthHandle)))
45 goto done;
46
47 if (dirIndex > tpm_metrics.num_dirs) {
48 result = TCSERR(TSS_E_BAD_PARAMETER);
49 goto done;
50 }
51
52 if ((result = tpm_rqu_build(TPM_ORD_DirWriteAuth, &offset, txBlob, dirIndex,
53 TPM_DIGEST_SIZE, newContents.digest, ownerAuth, NULL)))
54 goto done;
55
56 if ((result = req_mgr_submit_req(txBlob)))
57 goto done;
58
59 result = UnloadBlob_Header(txBlob, ¶mSize);
60
61 if (!result) {
62 result = tpm_rsp_parse(TPM_ORD_DirWriteAuth, txBlob, paramSize, ownerAuth);
63 }
64 LogResult("DirWriteAuth", result);
65 done:
66 auth_mgr_release_auth(ownerAuth, NULL, hContext);
67 return result;
68 }
69
70 TSS_RESULT
TCSP_DirRead_Internal(TCS_CONTEXT_HANDLE hContext,TCPA_DIRINDEX dirIndex,TCPA_DIRVALUE * dirValue)71 TCSP_DirRead_Internal(TCS_CONTEXT_HANDLE hContext, /* in */
72 TCPA_DIRINDEX dirIndex, /* in */
73 TCPA_DIRVALUE * dirValue) /* out */
74 {
75 UINT64 offset = 0;
76 UINT32 paramSize;
77 TSS_RESULT result;
78 BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
79
80 LogDebug("Entering DirRead");
81 if ((result = ctx_verify_context(hContext)))
82 return result;
83
84 if (dirValue == NULL)
85 return TCSERR(TSS_E_BAD_PARAMETER);
86
87 if (dirIndex > tpm_metrics.num_dirs)
88 return TCSERR(TSS_E_BAD_PARAMETER);
89
90 if ((result = tpm_rqu_build(TPM_ORD_DirRead, &offset, txBlob, dirIndex, NULL)))
91 return result;
92
93 if ((result = req_mgr_submit_req(txBlob)))
94 return result;
95
96 result = UnloadBlob_Header(txBlob, ¶mSize);
97 if (!result) {
98 result = tpm_rsp_parse(TPM_ORD_DirRead, txBlob, paramSize, NULL, dirValue->digest);
99 }
100 LogResult("DirRead", result);
101 return result;
102 }
103
104