crypto/external/cpl/trousers/dist/src/tspi/tspi_policy.c
author christos <christos@NetBSD.org>
Sat, 28 Jan 2012 01:35:04 +0000
branchtrunk
changeset 208533 fb64bd2b788b
permissions -rw-r--r--
import trousers 0.3.8 from sourceforge. TrouSerS is the open-source TCG Software Stack


/*
 * Licensed Materials - Property of IBM
 *
 * trousers - An open source TCG Software Stack
 *
 * (C) Copyright International Business Machines Corp. 2004-2007
 *
 */


#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.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
Tspi_GetPolicyObject(TSS_HOBJECT hObject,	/* in */
		     TSS_FLAG policyType,	/* in */
		     TSS_HPOLICY * phPolicy)	/* out */
{
	TSS_RESULT result;

	if (phPolicy == NULL)
		return TSPERR(TSS_E_BAD_PARAMETER);

	if (obj_is_tpm(hObject)) {
		result = obj_tpm_get_policy(hObject, policyType, phPolicy);
#ifdef TSS_BUILD_NV
	} else if (obj_is_nvstore(hObject)) {
		result = obj_nvstore_get_policy(hObject, policyType, phPolicy);
#endif
#ifdef TSS_BUILD_RSAKEY_LIST
	} else if (obj_is_rsakey(hObject)) {
		result = obj_rsakey_get_policy(hObject, policyType, phPolicy, NULL);
#endif
#ifdef TSS_BUILD_ENCDATA_LIST
	} else if (obj_is_encdata(hObject)) {
		result = obj_encdata_get_policy(hObject, policyType, phPolicy);
#endif
	} else {
		if (obj_is_policy(hObject) || obj_is_hash(hObject) ||
		    obj_is_pcrs(hObject) || obj_is_context(hObject))
			result = TSPERR(TSS_E_BAD_PARAMETER);
		else
			result = TSPERR(TSS_E_INVALID_HANDLE);
	}

	if (result == TSS_SUCCESS && *phPolicy == NULL_HPOLICY)
		result = TSPERR(TSS_E_INTERNAL_ERROR);

	return result;
}

TSS_RESULT
Tspi_Policy_SetSecret(TSS_HPOLICY hPolicy,	/* in */
		      TSS_FLAG secretMode,	/* in */
		      UINT32 ulSecretLength,	/* in */
		      BYTE * rgbSecret)		/* in */
{
	TSS_RESULT result;
	TSS_HCONTEXT tspContext;

	if ((result = obj_policy_get_tsp_context(hPolicy, &tspContext)))
		return result;

	if (obj_context_is_silent(tspContext) && secretMode == TSS_SECRET_MODE_POPUP)
		return TSPERR(TSS_E_SILENT_CONTEXT);

	return obj_policy_set_secret(hPolicy, secretMode, ulSecretLength, rgbSecret);
}

TSS_RESULT
Tspi_Policy_FlushSecret(TSS_HPOLICY hPolicy)	/* in */
{
	return obj_policy_flush_secret(hPolicy);
}

TSS_RESULT
Tspi_Policy_AssignToObject(TSS_HPOLICY hPolicy,	/* in */
			   TSS_HOBJECT hObject)	/* in */
{
	TSS_RESULT result;

	if (obj_is_tpm(hObject)) {
		result = obj_tpm_set_policy(hObject, hPolicy);
#ifdef TSS_BUILD_NV
	} else if (obj_is_nvstore(hObject)) {
		result = obj_nvstore_set_policy(hObject, hPolicy);
#endif
#ifdef TSS_BUILD_RSAKEY_LIST
	} else if (obj_is_rsakey(hObject)) {
		result = obj_rsakey_set_policy(hObject, hPolicy);
#endif
#ifdef TSS_BUILD_ENCDATA_LIST
	} else if (obj_is_encdata(hObject)) {
		result = obj_encdata_set_policy(hObject, hPolicy);
#endif
	} else {
		result = TSPERR(TSS_E_BAD_PARAMETER);
	}

	return result;
}