TSS2_RC PlatformCommand(
TSS2_TCTI_CONTEXT *tctiContext, /* in */
char cmd )
{
int iResult = 0; // used to return function results
char sendbuf[] = { 0x0,0x0,0x0,0x0 };
char recvbuf[] = { 0x0, 0x0, 0x0, 0x0 };
TSS2_RC rval = TSS2_RC_SUCCESS;
sendbuf[3] = cmd;
// Send the command
iResult = send( TCTI_CONTEXT_INTEL->otherSock, sendbuf, 4, MSG_NOSIGNAL );
if (iResult == SOCKET_ERROR) {
TCTI_LOG( tctiContext, NO_PREFIX, "send failed with error: %d\n", WSAGetLastError() );
rval = TSS2_TCTI_RC_IO_ERROR;
}
else
{
#ifdef DEBUG_SOCKETS
TCTI_LOG( tctiContext, NO_PREFIX, "Send Bytes to socket #0x%x: \n", TCTI_CONTEXT_INTEL->otherSock );
TCTI_LOG_BUFFER( tctiContext, NO_PREFIX, (UINT8 *)sendbuf, 4 );
#endif
// Read result
iResult = recv( TCTI_CONTEXT_INTEL->otherSock, recvbuf, 4, 0);
if (iResult == SOCKET_ERROR) {
TCTI_LOG( tctiContext, NO_PREFIX, "In PlatformCommand, recv failed (socket: 0x%x) with error: %d\n",
TCTI_CONTEXT_INTEL->otherSock, WSAGetLastError() );
rval = TSS2_TCTI_RC_IO_ERROR;
}
else if( recvbuf[0] != 0 || recvbuf[1] != 0 || recvbuf[2] != 0 || recvbuf[3] != 0 )
{
TCTI_LOG( tctiContext, NO_PREFIX, "PlatformCommand failed with error: %d\n", recvbuf[3] );
rval = TSS2_TCTI_RC_IO_ERROR;
}
else
{
#ifdef DEBUG_SOCKETS
TCTI_LOG( tctiContext, NO_PREFIX, "Receive bytes from socket #0x%x: \n", TCTI_CONTEXT_INTEL->otherSock );
TCTI_LOG_BUFFER( tctiContext, NO_PREFIX, (UINT8 *)recvbuf, 4 );
#endif
}
}
return rval;
}
static TSS2_RC tctiSendBytes( TSS2_TCTI_CONTEXT *tctiContext, SOCKET sock, const unsigned char *data, int len )
{
TSS2_RC ret = TSS2_RC_SUCCESS;
#ifdef DEBUG_SOCKETS
TCTI_LOG( tctiContext, NO_PREFIX, "Send Bytes to socket #0x%x: \n", sock );
TCTI_LOG_BUFFER( tctiContext, NO_PREFIX, (UINT8 *)data, len );
#endif
ret = sendBytes( sock, data, len);
if (ret != TSS2_RC_SUCCESS)
TCTI_LOG( tctiContext, NO_PREFIX, "In recvBytes, recv failed (socket: 0x%x) with error: %d\n", sock, WSAGetLastError() );
return ret;
}
static TSS2_RC tctiRecvBytes( TSS2_TCTI_CONTEXT *tctiContext, SOCKET sock, unsigned char *data, int len )
{
TSS2_RC result = 0;
result = recvBytes( sock, data, len);
if ( (INT32)result == SOCKET_ERROR) {
TCTI_LOG( tctiContext, NO_PREFIX, "In recvBytes, recv failed (socket: 0x%x) with error: %d\n", sock, WSAGetLastError() );
return TSS2_TCTI_RC_IO_ERROR;
}
#ifdef DEBUG_SOCKETS
TCTI_LOG( tctiContext, NO_PREFIX, "Receive Bytes from socket #0x%x: \n", sock );
TCTI_LOG_BUFFER( tctiContext, NO_PREFIX, data, len );
#endif
return TSS2_RC_SUCCESS;
}