rpc_tick.c

TCG软件栈 linux系统上使用 为可信应用软件提供和 TPM通信的 接口 其网站上有很多关于使用此软件的测试用例

/*
 * 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 <syslog.h>
#include <string.h>
#include <netdb.h>

#include "trousers/tss.h"
#include "trousers_types.h"
#include "tcs_tsp.h"
#include "tcs_utils.h"
#include "tcs_int_literals.h"
#include "capabilities.h"
#include "tcslog.h"
#include "tcsd_wrap.h"
#include "tcsd.h"
#include "tcs_utils.h"
#include "rpc_tcstp_tcs.h"


TSS_RESULT
tcs_wrap_ReadCurrentTicks(struct tcsd_thread_data *data)
{
	TCS_CONTEXT_HANDLE hContext;
	UINT32 pulCurrentTime;
	BYTE *prgbCurrentTime;
	TSS_RESULT result;

	if (getData(TCSD_PACKET_TYPE_UINT32, 0, &hContext, 0, &data->comm))
		return TCSERR(TSS_E_INTERNAL_ERROR);

	LogDebugFn("thread %zd context %x", THREAD_ID, hContext);

	MUTEX_LOCK(tcsp_lock);

	result = TCSP_ReadCurrentTicks_Internal(hContext, &pulCurrentTime, &prgbCurrentTime);

	MUTEX_UNLOCK(tcsp_lock);

	if (result == TSS_SUCCESS) {
		initData(&data->comm, 2);
		if (setData(TCSD_PACKET_TYPE_UINT32, 0, &pulCurrentTime, 0, &data->comm)) {
			free(prgbCurrentTime);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
		if (setData(TCSD_PACKET_TYPE_PBYTE, 1, prgbCurrentTime, pulCurrentTime,
			    &data->comm)) {
			free(prgbCurrentTime);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
		free(prgbCurrentTime);
	} else
		initData(&data->comm, 0);

	data->comm.hdr.u.result = result;
	return TSS_SUCCESS;
}

TSS_RESULT
tcs_wrap_TickStampBlob(struct tcsd_thread_data *data)
{
	TCS_CONTEXT_HANDLE hContext;
	TCS_KEY_HANDLE hKey;
	TPM_AUTH auth, *pAuth;
	TPM_NONCE nonce;
	TPM_DIGEST digest;
	UINT32 sigSize, tcSize, i;
	BYTE *sig, *tc;
	TSS_RESULT result;

	if (getData(TCSD_PACKET_TYPE_UINT32, 0, &hContext, 0, &data->comm))
		return TCSERR(TSS_E_INTERNAL_ERROR);

	LogDebugFn("thread %zd context %x", THREAD_ID, hContext);

	if (getData(TCSD_PACKET_TYPE_UINT32, 1, &hKey, 0, &data->comm))
		return TCSERR(TSS_E_INTERNAL_ERROR);
	if (getData(TCSD_PACKET_TYPE_NONCE, 2, &nonce, 0, &data->comm))
		return TCSERR(TSS_E_INTERNAL_ERROR);
	if (getData(TCSD_PACKET_TYPE_DIGEST, 3, &digest, 0, &data->comm))
		return TCSERR(TSS_E_INTERNAL_ERROR);
	if (getData(TCSD_PACKET_TYPE_AUTH, 4, &auth, 0, &data->comm))
		pAuth = NULL;
	else
		pAuth = &auth;

	MUTEX_LOCK(tcsp_lock);

	result = TCSP_TickStampBlob_Internal(hContext, hKey, &nonce, &digest, pAuth, &sigSize, &sig,
					     &tcSize, &tc);

	MUTEX_UNLOCK(tcsp_lock);

	if (result == TSS_SUCCESS) {
		initData(&data->comm, 5);
		i = 0;
		if (pAuth) {
			if (setData(TCSD_PACKET_TYPE_AUTH, 0, pAuth, 0, &data->comm)) {
				free(sig);
				free(tc);
				return TCSERR(TSS_E_INTERNAL_ERROR);
			}
		}
		if (setData(TCSD_PACKET_TYPE_UINT32, i++, &sigSize, 0, &data->comm)) {
			free(sig);
			free(tc);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
		if (setData(TCSD_PACKET_TYPE_PBYTE, i++, sig, sigSize, &data->comm)) {
			free(sig);
			free(tc);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
		if (setData(TCSD_PACKET_TYPE_UINT32, i++, &tcSize, 0, &data->comm)) {
			free(sig);
			free(tc);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
		if (setData(TCSD_PACKET_TYPE_PBYTE, i++, tc, tcSize, &data->comm)) {
			free(sig);
			free(tc);
			return TCSERR(TSS_E_INTERNAL_ERROR);
		}
	} else
		initData(&data->comm, 0);

	data->comm.hdr.u.result = result;
	return TSS_SUCCESS;
}