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
12 #include <stdlib.h>
13 #include <stdio.h>
14 #include <string.h>
15
16 #include "trousers/tss.h"
17 #include "trousers/trousers.h"
18 #include "trousers_types.h"
19 #include "trousers_types.h"
20 #include "spi_utils.h"
21 #include "capabilities.h"
22 #include "tsplog.h"
23 #include "tcs_tsp.h"
24 #include "tspps.h"
25 #include "tcsd_wrap.h"
26 #include "tcsd.h"
27 #include "obj.h"
28
29
30 TSS_RESULT
Tspi_Context_GetCapability(TSS_HCONTEXT tspContext,TSS_FLAG capArea,UINT32 ulSubCapLength,BYTE * rgbSubCap,UINT32 * pulRespDataLength,BYTE ** prgbRespData)31 Tspi_Context_GetCapability(TSS_HCONTEXT tspContext, /* in */
32 TSS_FLAG capArea, /* in */
33 UINT32 ulSubCapLength, /* in */
34 BYTE * rgbSubCap, /* in */
35 UINT32 * pulRespDataLength, /* out */
36 BYTE ** prgbRespData) /* out */
37 {
38 TSS_RESULT result;
39
40 if (prgbRespData == NULL || pulRespDataLength == NULL )
41 return TSPERR(TSS_E_BAD_PARAMETER);
42
43 if (rgbSubCap == NULL && ulSubCapLength != 0)
44 return TSPERR(TSS_E_BAD_PARAMETER);
45
46 if (ulSubCapLength > sizeof(UINT32))
47 return TSPERR(TSS_E_BAD_PARAMETER);
48
49 if (!obj_is_context(tspContext))
50 return TSPERR(TSS_E_INVALID_HANDLE);
51
52 switch (capArea) {
53 case TSS_TSPCAP_ALG:
54 case TSS_TSPCAP_RETURNVALUE_INFO:
55 case TSS_TSPCAP_PLATFORM_INFO:
56 case TSS_TSPCAP_MANUFACTURER:
57 if (ulSubCapLength != sizeof(UINT32) || !rgbSubCap)
58 return TSPERR(TSS_E_BAD_PARAMETER);
59 /* fall through */
60 case TSS_TSPCAP_VERSION:
61 case TSS_TSPCAP_PERSSTORAGE:
62 result = internal_GetCap(tspContext, capArea,
63 rgbSubCap ? *(UINT32 *)rgbSubCap : 0,
64 pulRespDataLength,
65 prgbRespData);
66 break;
67 case TSS_TCSCAP_ALG:
68 if (ulSubCapLength != sizeof(UINT32) || !rgbSubCap)
69 return TSPERR(TSS_E_BAD_PARAMETER);
70 /* fall through */
71 case TSS_TCSCAP_VERSION:
72 case TSS_TCSCAP_CACHING:
73 case TSS_TCSCAP_PERSSTORAGE:
74 case TSS_TCSCAP_MANUFACTURER:
75 case TSS_TCSCAP_TRANSPORT:
76 case TSS_TCSCAP_PLATFORM_CLASS:
77 result = RPC_GetCapability(tspContext, capArea, ulSubCapLength, rgbSubCap,
78 pulRespDataLength, prgbRespData);
79 break;
80 default:
81 LogDebug("Invalid capArea: 0x%x", capArea);
82 result = TSPERR(TSS_E_BAD_PARAMETER);
83 break;
84 }
85
86 return result;
87 }
88