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. 2004-2006
8 *
9 */
10
11 #include <stdlib.h>
12 #include <stdio.h>
13 #include <string.h>
14 #include <assert.h>
15
16 #include "trousers/tss.h"
17 #include "trousers/trousers.h"
18 #include "trousers_types.h"
19 #include "spi_utils.h"
20 #include "capabilities.h"
21 #include "tsplog.h"
22 #include "hosttable.h"
23 #include "tcsd_wrap.h"
24 #include "obj.h"
25 #include "rpc_tcstp_tsp.h"
26
27
28 TSS_RESULT
RPC_GetRandom_TP(struct host_table_entry * hte,UINT32 bytesRequested,BYTE ** randomBytes)29 RPC_GetRandom_TP(struct host_table_entry *hte,
30 UINT32 bytesRequested, /* in */
31 BYTE ** randomBytes) /* out */
32 {
33 TSS_RESULT result;
34
35 initData(&hte->comm, 2);
36 hte->comm.hdr.u.ordinal = TCSD_ORD_GETRANDOM;
37 LogDebugFn("TCS Context: 0x%x", hte->tcsContext);
38
39 if (setData(TCSD_PACKET_TYPE_UINT32, 0, &hte->tcsContext, 0, &hte->comm))
40 return TSPERR(TSS_E_INTERNAL_ERROR);
41 if (setData(TCSD_PACKET_TYPE_UINT32, 1, &bytesRequested, 0, &hte->comm))
42 return TSPERR(TSS_E_INTERNAL_ERROR);
43
44 result = sendTCSDPacket(hte);
45
46 if (result == TSS_SUCCESS)
47 result = hte->comm.hdr.u.result;
48
49 if (result == TSS_SUCCESS) {
50 if (getData(TCSD_PACKET_TYPE_UINT32, 0, &bytesRequested, 0, &hte->comm)) {
51 result = TSPERR(TSS_E_INTERNAL_ERROR);
52 goto done;
53 }
54 *randomBytes = (BYTE *) malloc(bytesRequested);
55 if (*randomBytes == NULL) {
56 LogError("malloc of %u bytes failed.", bytesRequested);
57 result = TSPERR(TSS_E_OUTOFMEMORY);
58 goto done;
59 }
60 if (getData(TCSD_PACKET_TYPE_PBYTE, 1, *randomBytes, bytesRequested, &hte->comm)) {
61 free(*randomBytes);
62 result = TSPERR(TSS_E_INTERNAL_ERROR);
63 }
64 }
65
66 done:
67 return result;
68 }
69
70 TSS_RESULT
RPC_StirRandom_TP(struct host_table_entry * hte,UINT32 inDataSize,BYTE * inData)71 RPC_StirRandom_TP(struct host_table_entry *hte,
72 UINT32 inDataSize, /* in */
73 BYTE * inData) /* in */
74 {
75 TSS_RESULT result;
76
77 initData(&hte->comm, 3);
78 hte->comm.hdr.u.ordinal = TCSD_ORD_STIRRANDOM;
79 LogDebugFn("TCS Context: 0x%x", hte->tcsContext);
80
81 if (setData(TCSD_PACKET_TYPE_UINT32, 0, &hte->tcsContext, 0, &hte->comm))
82 return TSPERR(TSS_E_INTERNAL_ERROR);
83 if (setData(TCSD_PACKET_TYPE_UINT32, 1, &inDataSize, 0, &hte->comm))
84 return TSPERR(TSS_E_INTERNAL_ERROR);
85 if (setData(TCSD_PACKET_TYPE_PBYTE, 2, inData, inDataSize, &hte->comm))
86 return TSPERR(TSS_E_INTERNAL_ERROR);
87
88 result = sendTCSDPacket(hte);
89
90 if (result == TSS_SUCCESS)
91 result = hte->comm.hdr.u.result;
92
93 return result;
94 }
95