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/*
* 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 <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>
#include "trousers/tss.h"
#include "trousers/trousers.h"
#include "trousers_types.h"
#include "trousers_types.h"
#include "spi_utils.h"
#include "capabilities.h"
#include "tsplog.h"
#include "obj.h"
TSS_RESULT
internal_GetCap(TSS_HCONTEXT tspContext, TSS_FLAG capArea, UINT32 subCap,
UINT32 * respSize, BYTE ** respData)
{
UINT64 offset = 0;
TSS_VERSION v = INTERNAL_CAP_VERSION;
TSS_BOOL bValue = FALSE;
UINT32 u32value = 0;
switch (capArea) {
case TSS_TSPCAP_VERSION:
if ((*respData = calloc_tspi(tspContext, sizeof(TSS_VERSION))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(TSS_VERSION));
return TSPERR(TSS_E_OUTOFMEMORY);
}
Trspi_LoadBlob_TSS_VERSION(&offset, *respData, v);
*respSize = offset;
break;
case TSS_TSPCAP_ALG:
switch (subCap) {
case TSS_ALG_RSA:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_RSA;
break;
case TSS_ALG_AES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_AES;
break;
case TSS_ALG_SHA:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_SHA;
break;
case TSS_ALG_HMAC:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_HMAC;
break;
case TSS_ALG_DES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_DES;
break;
case TSS_ALG_3DES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TSP_ALG_3DES;
break;
case TSS_ALG_DEFAULT:
*respSize = sizeof(UINT32);
u32value = INTERNAL_CAP_TSP_ALG_DEFAULT;
break;
case TSS_ALG_DEFAULT_SIZE:
*respSize = sizeof(UINT32);
u32value = INTERNAL_CAP_TSP_ALG_DEFAULT_SIZE;
break;
default:
LogError("Unknown TSP subCap: %u", subCap);
return TSPERR(TSS_E_BAD_PARAMETER);
}
if ((*respData = calloc_tspi(tspContext, *respSize)) == NULL) {
LogError("malloc of %u bytes failed", *respSize);
return TSPERR(TSS_E_OUTOFMEMORY);
}
if (*respSize == sizeof(TSS_BOOL))
*(TSS_BOOL *)respData = bValue;
else
*(UINT32 *)respData = u32value;
break;
case TSS_TSPCAP_PERSSTORAGE:
if ((*respData = calloc_tspi(tspContext, sizeof(TSS_BOOL))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(TSS_BOOL));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(TSS_BOOL);
(*respData)[0] = INTERNAL_CAP_TSP_PERSSTORAGE;
break;
case TSS_TSPCAP_RETURNVALUE_INFO:
if (subCap != TSS_TSPCAP_PROP_RETURNVALUE_INFO)
return TSPERR(TSS_E_BAD_PARAMETER);
if ((*respData = calloc_tspi(tspContext, sizeof(UINT32))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(UINT32));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(UINT32);
*(UINT32 *)(*respData) = INTERNAL_CAP_TSP_RETURNVALUE_INFO;
break;
case TSS_TSPCAP_PLATFORM_INFO:
switch (subCap) {
case TSS_TSPCAP_PLATFORM_TYPE:
if ((*respData = calloc_tspi(tspContext, sizeof(UINT32))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(UINT32));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(UINT32);
*(UINT32 *)(*respData) = INTERNAL_CAP_TSP_PLATFORM_TYPE;
break;
case TSS_TSPCAP_PLATFORM_VERSION:
if ((*respData = calloc_tspi(tspContext, sizeof(UINT32))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(UINT32));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(UINT32);
*(UINT32 *)(*respData) = INTERNAL_CAP_TSP_PLATFORM_VERSION;
break;
default:
return TSPERR(TSS_E_BAD_PARAMETER);
}
case TSS_TSPCAP_MANUFACTURER:
switch (subCap) {
case TSS_TSPCAP_PROP_MANUFACTURER_ID:
if ((*respData = calloc_tspi(tspContext, sizeof(UINT32))) == NULL) {
LogError("malloc of %zd bytes failed", sizeof(UINT32));
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(UINT32);
*(UINT32 *)(*respData) = INTERNAL_CAP_MANUFACTURER_ID;
break;
case TSS_TSPCAP_PROP_MANUFACTURER_STR:
{
BYTE str[] = INTERNAL_CAP_MANUFACTURER_STR;
if ((*respData = calloc_tspi(tspContext,
INTERNAL_CAP_MANUFACTURER_STR_LEN)) == NULL) {
LogError("malloc of %d bytes failed",
INTERNAL_CAP_MANUFACTURER_STR_LEN);
return TSPERR(TSS_E_OUTOFMEMORY);
}
*respSize = INTERNAL_CAP_MANUFACTURER_STR_LEN;
memcpy(*respData, str, INTERNAL_CAP_MANUFACTURER_STR_LEN);
break;
}
default:
return TSPERR(TSS_E_BAD_PARAMETER);
}
default:
return TSPERR(TSS_E_BAD_PARAMETER);
}
return TSS_SUCCESS;
}
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