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/********************************************************************************/
/* */
/* Transmit and Receive Utility */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* */
/* (c) Copyright IBM Corporation 2015 - 2020. */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright notice, */
/* this list of conditions and the following disclaimer. */
/* */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/********************************************************************************/
/* This file contains the interface that is not platform or interface specific
*/
#include <string.h>
#include <stdio.h>
#include "tssproperties.h"
#ifndef TPM_NOSOCKET
#include "tsssocket.h"
#endif
#include <ibmtss/tsserror.h>
#include <ibmtss/tssprint.h>
#include "tssdev.h"
#include <ibmtss/tsstransmit.h>
extern int tssVverbose;
extern int tssVerbose;
/* local prototypes */
/* TSS_TransmitPlatform() transmits an administrative out of band command to the TPM through the
platform port.
Supported by the simulator, not the TPM device.
*/
TPM_RC TSS_TransmitPlatform(TSS_CONTEXT *tssContext, uint32_t command, const char *message)
{
TPM_RC rc = 0;
#ifndef TPM_NOSOCKET
if ((strcmp(tssContext->tssInterfaceType, "socsim") == 0)) {
rc = TSS_Socket_TransmitPlatform(tssContext, command, message);
}
else
#else
command = command;
message = message;
#endif
if ((strcmp(tssContext->tssInterfaceType, "dev") == 0)) {
if (tssVerbose) printf("TSS_TransmitPlatform: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
else {
if (tssVerbose) printf("TSS_TransmitPlatform: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
return rc;
}
/* TSS_TransmitCommand() transmits an administrative in band command to the TPM through the
command port.
Supported by the simulator, not the TPM device.
*/
TPM_RC TSS_TransmitCommand(TSS_CONTEXT *tssContext, uint32_t command, const char *message)
{
TPM_RC rc = 0;
#ifndef TPM_NOSOCKET
if ((strcmp(tssContext->tssInterfaceType, "socsim") == 0)) {
rc = TSS_Socket_TransmitCommand(tssContext, command, message);
}
else
#else
command = command;
message = message;
#endif
if ((strcmp(tssContext->tssInterfaceType, "dev") == 0)) {
if (tssVerbose) printf("TSS_TransmitCommand: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
else {
if (tssVerbose) printf("TSS_TransmitCommand: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
return rc;
}
/* TSS_Transmit() transmits a TPM command packet and receives a response using the command port.
The command type is hard coded to TPM_SEND_COMMAND.
*/
TPM_RC TSS_Transmit(TSS_CONTEXT *tssContext,
uint8_t *responseBuffer, uint32_t *read,
const uint8_t *commandBuffer, uint32_t written,
const char *message)
{
TPM_RC rc = 0;
#ifndef TPM_NOSOCKET
if ((strcmp(tssContext->tssInterfaceType, "socsim") == 0)) {
rc = TSS_Socket_Transmit(tssContext,
responseBuffer, read,
commandBuffer, written,
message);
}
else
#endif
if (strcmp(tssContext->tssInterfaceType, "dev") == 0) {
rc = TSS_Dev_Transmit(tssContext,
responseBuffer, read,
commandBuffer, written,
message);
}
else {
if (tssVerbose) printf("TSS_Transmit: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
return rc;
}
/* TSS_Close() closes the connection to the TPM */
TPM_RC TSS_Close(TSS_CONTEXT *tssContext)
{
TPM_RC rc = 0;
/* only close if there was an open */
if (!tssContext->tssFirstTransmit) {
#ifndef TPM_NOSOCKET
if ((strcmp(tssContext->tssInterfaceType, "socsim") == 0)) {
rc = TSS_Socket_Close(tssContext);
}
else
#endif
if (strcmp(tssContext->tssInterfaceType, "dev") == 0) {
rc = TSS_Dev_Close(tssContext);
}
else {
if (tssVerbose) printf("TSS_Transmit: device %s unsupported\n",
tssContext->tssInterfaceType);
rc = TSS_RC_INSUPPORTED_INTERFACE;
}
tssContext->tssFirstTransmit = TRUE;
}
return rc;
}
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