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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "trousers/tss.h"
#include "trousers_types.h"
#include "tcs_tsp.h"
#include "tcsps.h"
#include "tcs_utils.h"
#include "tcs_int_literals.h"
#include "capabilities.h"
#include "tcslog.h"
#include "tcsd_wrap.h"
#include "tcsd.h"
extern struct tcsd_config tcsd_options;
TSS_RESULT
internal_TCSGetCap(TCS_CONTEXT_HANDLE hContext,
TCPA_CAPABILITY_AREA capArea,
UINT32 subCap,
UINT32 * respSize, BYTE ** resp)
{
UINT32 u32value = 0;
UINT64 offset;
TPM_VERSION tcsVersion = INTERNAL_CAP_VERSION;
struct tcsd_config *config = &tcsd_options;
struct platform_class *platClass;
TSS_BOOL bValue = FALSE;
LogDebug("Checking Software Cap of TCS");
switch (capArea) {
case TSS_TCSCAP_ALG:
LogDebug("TSS_TCSCAP_ALG");
switch (subCap) {
case TSS_ALG_RSA:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_RSA;
break;
case TSS_ALG_DES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_DES;
break;
case TSS_ALG_3DES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_3DES;
break;
case TSS_ALG_SHA:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_SHA;
break;
case TSS_ALG_AES:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_AES;
break;
case TSS_ALG_HMAC:
*respSize = sizeof(TSS_BOOL);
bValue = INTERNAL_CAP_TCS_ALG_HMAC;
break;
case TSS_ALG_DEFAULT:
*respSize = sizeof(UINT32);
u32value = INTERNAL_CAP_TCS_ALG_DEFAULT;
break;
case TSS_ALG_DEFAULT_SIZE:
*respSize = sizeof(UINT32);
u32value = INTERNAL_CAP_TCS_ALG_DEFAULT_SIZE;
break;
default:
*respSize = 0;
LogDebugFn("Bad subcap");
return TCSERR(TSS_E_BAD_PARAMETER);
}
if ((*resp = malloc(*respSize)) == NULL) {
LogError("malloc of %u bytes failed.", *respSize);
*respSize = 0;
return TCSERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
if (*respSize == sizeof(TSS_BOOL))
*(TSS_BOOL *)(*resp) = bValue;
else
*(UINT32 *)(*resp) = u32value;
break;
case TSS_TCSCAP_VERSION:
LogDebug("TSS_TCSCAP_VERSION");
if ((*resp = calloc(1, sizeof(TSS_VERSION))) == NULL) {
LogError("malloc of %zd bytes failed.", sizeof(TSS_VERSION));
return TCSERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
LoadBlob_VERSION(&offset, *resp, &tcsVersion);
*respSize = sizeof(TSS_VERSION);
break;
case TSS_TCSCAP_PERSSTORAGE:
LogDebug("TSS_TCSCAP_PERSSTORAGE");
if ((*resp = malloc(sizeof(TSS_BOOL))) == NULL) {
LogError("malloc of %zd byte failed.", sizeof(TSS_BOOL));
return TCSERR(TSS_E_OUTOFMEMORY);
}
*(TSS_BOOL *)(*resp) = INTERNAL_CAP_TCS_PERSSTORAGE;
*respSize = sizeof(TSS_BOOL);
break;
case TSS_TCSCAP_CACHING:
LogDebug("TSS_TCSCAP_CACHING");
if (subCap == TSS_TCSCAP_PROP_KEYCACHE)
bValue = INTERNAL_CAP_TCS_CACHING_KEYCACHE;
else if (subCap == TSS_TCSCAP_PROP_AUTHCACHE)
bValue = INTERNAL_CAP_TCS_CACHING_AUTHCACHE;
else {
LogDebugFn("Bad subcap");
return TCSERR(TSS_E_BAD_PARAMETER);
}
if ((*resp = malloc(sizeof(TSS_BOOL))) == NULL) {
LogError("malloc of %zd byte failed.", sizeof(TSS_BOOL));
return TCSERR(TSS_E_OUTOFMEMORY);
}
*respSize = sizeof(TSS_BOOL);
*(TSS_BOOL *)(*resp) = bValue;
break;
case TSS_TCSCAP_MANUFACTURER:
if (subCap == TSS_TCSCAP_PROP_MANUFACTURER_ID) {
if ((*resp = malloc(sizeof(UINT32))) == NULL) {
LogError("malloc of %zd byte failed.", sizeof(UINT32));
return TCSERR(TSS_E_OUTOFMEMORY);
}
*(UINT32 *)(*resp) = INTERNAL_CAP_MANUFACTURER_ID;
*respSize = sizeof(UINT32);
} else if (subCap == TSS_TCSCAP_PROP_MANUFACTURER_STR) {
BYTE str[] = INTERNAL_CAP_MANUFACTURER_STR;
if ((*resp = malloc(INTERNAL_CAP_MANUFACTURER_STR_LEN)) == NULL) {
LogError("malloc of %d bytes failed.",
INTERNAL_CAP_MANUFACTURER_STR_LEN);
return TCSERR(TSS_E_OUTOFMEMORY);
}
memcpy(*resp, str, INTERNAL_CAP_MANUFACTURER_STR_LEN);
*respSize = INTERNAL_CAP_MANUFACTURER_STR_LEN;
} else {
LogDebugFn("Bad subcap");
return TCSERR(TSS_E_BAD_PARAMETER);
}
break;
case TSS_TCSCAP_TRANSPORT:
/* A zero value here means the TSP is asking whether we support transport sessions
* at all */
if (subCap == TSS_TCSCAP_TRANS_EXCLUSIVE || subCap == 0) {
*respSize = sizeof(TSS_BOOL);
if ((*resp = malloc(sizeof(TSS_BOOL))) == NULL) {
LogError("malloc of %zd byte failed.", sizeof(TSS_BOOL));
return TCSERR(TSS_E_OUTOFMEMORY);
}
if (subCap == TSS_TCSCAP_TRANS_EXCLUSIVE)
*(TSS_BOOL *)(*resp) = config->exclusive_transport ? TRUE : FALSE;
else
*(TSS_BOOL *)(*resp) = TRUE;
} else {
LogDebugFn("Bad subcap");
return TCSERR(TSS_E_BAD_PARAMETER);
}
break;
case TSS_TCSCAP_PLATFORM_CLASS:
LogDebug("TSS_TCSCAP_PLATFORM_CLASS");
switch (subCap) {
case TSS_TCSCAP_PROP_HOST_PLATFORM:
/* Return the TSS_PLATFORM_CLASS */
LogDebugFn("TSS_TCSCAP_PROP_HOST_PLATFORM");
platClass = config->host_platform_class;
/* Computes the size of host platform structure */
*respSize = (2 * sizeof(UINT32)) + platClass->classURISize;
*resp = malloc(*respSize);
if (*resp == NULL) {
LogError("malloc of %u bytes failed.", *respSize);
return TCSERR(TSS_E_OUTOFMEMORY);
}
memset(*resp, 0, *respSize);
offset = 0;
LoadBlob_UINT32(&offset, platClass->simpleID, *resp);
LoadBlob_UINT32(&offset, platClass->classURISize, *resp);
memcpy(&(*resp)[offset], platClass->classURI, platClass->classURISize);
LogBlob(*respSize, *resp);
break;
case TSS_TCSCAP_PROP_ALL_PLATFORMS:
/* Return an array of TSS_PLATFORM_CLASSes, when existent */
LogDebugFn("TSS_TCSCAP_PROP_ALL_PLATFORMS");
*respSize = 0;
*resp = NULL;
if ((platClass = config->all_platform_classes) != NULL) {
/* Computes the size of all Platform Structures */
while (platClass != NULL) {
*respSize += (2 * sizeof(UINT32)) + platClass->classURISize;
platClass = platClass->next;
}
*resp = malloc(*respSize);
if (*resp == NULL) {
LogError("malloc of %u bytes failed.", *respSize);
return TCSERR(TSS_E_OUTOFMEMORY);
}
memset(*resp, 0, *respSize);
offset = 0;
/* Concatenates all the structures on the BYTE * resp */
platClass = config->all_platform_classes;
while (platClass != NULL){
LoadBlob_UINT32(&offset, platClass->simpleID, *resp);
LoadBlob_UINT32(&offset, platClass->classURISize, *resp);
memcpy(&(*resp)[offset], platClass->classURI,
platClass->classURISize);
offset += platClass->classURISize;
platClass = platClass->next;
}
LogBlob(*respSize, *resp);
}
break;
default:
LogDebugFn("Bad subcap");
return TCSERR(TSS_E_BAD_PARAMETER);
}
break;
default:
LogDebugFn("Bad cap area");
return TCSERR(TSS_E_BAD_PARAMETER);
}
return TSS_SUCCESS;
}
TSS_RESULT
TCS_GetCapability_Internal(TCS_CONTEXT_HANDLE hContext, /* in */
TCPA_CAPABILITY_AREA capArea, /* in */
UINT32 subCapSize, /* in */
BYTE * subCap, /* in */
UINT32 * respSize, /* out */
BYTE ** resp /* out */
)
{
TSS_RESULT result;
UINT32 ulSubCap;
if ((result = ctx_verify_context(hContext)))
return result;
if (subCapSize == sizeof(UINT32))
ulSubCap = *(UINT32 *)subCap;
else if (subCapSize == 0)
ulSubCap = 0;
else
return TCSERR(TSS_E_BAD_PARAMETER);
return internal_TCSGetCap(hContext, capArea, ulSubCap, respSize, resp);
}
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