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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2007
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "trousers/tss.h"
#include "trousers/trousers.h"
#include "trousers_types.h"
#include "spi_utils.h"
#include "tsplog.h"
#include "obj.h"
TSS_RESULT
__tspi_audit_set_ordinal_audit_status(TSS_HTPM hTpm,
TSS_FLAG flag,
TSS_FLAG subFlag,
UINT32 ulOrdinal)
{
TSS_BOOL bAuditState;
TSS_HCONTEXT tspContext;
TSS_HPOLICY hPolicy;
TPM_AUTH ownerAuth;
Trspi_HashCtx hashCtx;
TCPA_DIGEST digest;
TSS_RESULT result = TSS_SUCCESS;
if (flag != TSS_TSPATTRIB_TPM_ORDINAL_AUDIT_STATUS)
return TSPERR(TSS_E_BAD_PARAMETER);
switch (subFlag) {
case TPM_CAP_PROP_TPM_SET_ORDINAL_AUDIT:
bAuditState = TRUE;
break;
case TPM_CAP_PROP_TPM_CLEAR_ORDINAL_AUDIT:
bAuditState = FALSE;
break;
default:
return TSPERR(TSS_E_BAD_PARAMETER);
}
if ((result = obj_tpm_get_tsp_context(hTpm, &tspContext)))
return result;
if ((result = obj_tpm_get_policy(hTpm, TSS_POLICY_USAGE, &hPolicy)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_SetOrdinalAuditStatus);
result |= Trspi_Hash_UINT32(&hashCtx, ulOrdinal);
result |= Trspi_Hash_BOOL(&hashCtx, bAuditState);
if ((result |= Trspi_HashFinal(&hashCtx, digest.digest)))
return result;
if ((result = secret_PerformAuth_OIAP(hTpm, TPM_ORD_SetOrdinalAuditStatus,
hPolicy, FALSE, &digest, &ownerAuth)))
return result;
if ((result = TCS_API(tspContext)->SetOrdinalAuditStatus(tspContext, &ownerAuth, ulOrdinal,
bAuditState)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_SetOrdinalAuditStatus);
if ((result |= Trspi_HashFinal(&hashCtx, digest.digest)))
return result;
return obj_policy_validate_auth_oiap(hPolicy, &digest, &ownerAuth);
}
#ifdef TSS_BUILD_TRANSPORT
TSS_RESULT
Transport_SetOrdinalAuditStatus(TSS_HCONTEXT tspContext, /* in */
TPM_AUTH *ownerAuth, /* in/out */
UINT32 ulOrdinal, /* in */
TSS_BOOL bAuditState) /* in */
{
TSS_RESULT result;
UINT32 handlesLen = 0;
UINT64 offset;
BYTE data[sizeof(UINT32) + sizeof(TSS_BOOL)];
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
offset = 0;
Trspi_LoadBlob_UINT32(&offset, ulOrdinal, data);
Trspi_LoadBlob_BOOL(&offset, bAuditState, data);
result = obj_context_transport_execute(tspContext, TPM_ORD_SetOrdinalAuditStatus,
sizeof(data), data, NULL, &handlesLen, NULL,
ownerAuth, NULL, NULL, NULL);
return result;
}
TSS_RESULT
Transport_GetAuditDigest(TSS_HCONTEXT tspContext, /* in */
UINT32 startOrdinal, /* in */
TPM_DIGEST *auditDigest, /* out */
UINT32 *counterValueSize, /* out */
BYTE **counterValue, /* out */
TSS_BOOL *more, /* out */
UINT32 *ordSize, /* out */
UINT32 **ordList) /* out */
{
TSS_RESULT result;
UINT32 handlesLen = 0, decLen;
BYTE *dec = NULL;
UINT64 offset;
BYTE data[sizeof(UINT32)];
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
offset = 0;
Trspi_LoadBlob_UINT32(&offset, startOrdinal, data);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_GetAuditDigest,
sizeof(data), data, NULL, &handlesLen, NULL,
NULL, NULL, &decLen, &dec)))
return result;
offset = 0;
Trspi_UnloadBlob_COUNTER_VALUE(&offset, dec, NULL);
*counterValueSize = (UINT32)offset;
if ((*counterValue = malloc(*counterValueSize)) == NULL) {
free(dec);
LogError("malloc of %u bytes failed", *counterValueSize);
*counterValueSize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_UnloadBlob(&offset, *counterValueSize, dec, *counterValue);
Trspi_UnloadBlob_DIGEST(&offset, dec, auditDigest);
Trspi_UnloadBlob_BOOL(&offset, more, dec);
Trspi_UnloadBlob_UINT32(&offset, ordSize, dec);
if ((*ordList = malloc(*ordSize)) == NULL) {
free(dec);
free(*counterValue);
*counterValue = NULL;
*counterValueSize = 0;
LogError("malloc of %u bytes failed", *ordSize);
*ordSize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
Trspi_UnloadBlob(&offset, *ordSize, dec, *(BYTE **)ordList);
*ordSize /= sizeof(UINT32);
return TSS_SUCCESS;
}
TSS_RESULT
Transport_GetAuditDigestSigned(TSS_HCONTEXT tspContext, /* in */
TCS_KEY_HANDLE keyHandle, /* in */
TSS_BOOL closeAudit, /* in */
TPM_NONCE *antiReplay, /* in */
TPM_AUTH *privAuth, /* in/out */
UINT32 *counterValueSize, /* out */
BYTE **counterValue, /* out */
TPM_DIGEST *auditDigest, /* out */
TPM_DIGEST *ordinalDigest, /* out */
UINT32 *sigSize, /* out */
BYTE **sig) /* out */
{
TSS_RESULT result;
UINT32 handlesLen, decLen;
TCS_HANDLE *handles, handle;
BYTE *dec = NULL;
TPM_DIGEST pubKeyHash;
Trspi_HashCtx hashCtx;
UINT64 offset;
BYTE data[sizeof(TSS_BOOL) + sizeof(TPM_NONCE)];
if ((result = obj_context_transport_init(tspContext)))
return result;
LogDebugFn("Executing in a transport session");
if ((result = obj_tcskey_get_pubkeyhash(keyHandle, pubKeyHash.digest)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_DIGEST(&hashCtx, pubKeyHash.digest);
if ((result |= Trspi_HashFinal(&hashCtx, pubKeyHash.digest)))
return result;
handlesLen = 1;
handle = keyHandle;
handles = &handle;
offset = 0;
Trspi_LoadBlob_BOOL(&offset, closeAudit, data);
Trspi_LoadBlob_NONCE(&offset, data, antiReplay);
if ((result = obj_context_transport_execute(tspContext, TPM_ORD_GetAuditDigestSigned,
sizeof(data), data, &pubKeyHash, &handlesLen,
&handles, privAuth, NULL, &decLen, &dec)))
return result;
offset = 0;
Trspi_UnloadBlob_COUNTER_VALUE(&offset, dec, NULL);
*counterValueSize = (UINT32)offset;
if ((*counterValue = malloc(*counterValueSize)) == NULL) {
free(dec);
LogError("malloc of %u bytes failed", *counterValueSize);
*counterValueSize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
offset = 0;
Trspi_UnloadBlob(&offset, *counterValueSize, dec, *counterValue);
Trspi_UnloadBlob_DIGEST(&offset, dec, auditDigest);
Trspi_UnloadBlob_DIGEST(&offset, dec, ordinalDigest);
Trspi_UnloadBlob_UINT32(&offset, sigSize, dec);
if ((*sig = malloc(*sigSize)) == NULL) {
free(dec);
free(*counterValue);
*counterValue = NULL;
*counterValueSize = 0;
LogError("malloc of %u bytes failed", *sigSize);
*counterValueSize = 0;
return TSPERR(TSS_E_OUTOFMEMORY);
}
Trspi_UnloadBlob(&offset, *sigSize, dec, *sig);
return TSS_SUCCESS;
}
#endif
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