BOOL rdg_tunnel_connect(rdpRdg* rdg)
{
BOOL status;
DWORD nCount;
HANDLE events[8];
rdg_send_handshake(rdg);
nCount = rdg_get_event_handles(rdg, events, 8);
if (nCount == 0)
return FALSE;
while (rdg->state < RDG_CLIENT_STATE_OPENED)
{
WaitForMultipleObjects(nCount, events, FALSE, 100);
status = rdg_check_event_handles(rdg);
if (!status)
{
rdg->context->rdp->transport->layer = TRANSPORT_LAYER_CLOSED;
return FALSE;
}
}
return TRUE;
}
DWORD transport_get_event_handles(rdpTransport* transport, HANDLE* events, DWORD count)
{
DWORD nCount = 0;
DWORD tmp;
if (!transport->GatewayEnabled)
{
if (events && (nCount < count))
{
if (BIO_get_event(transport->frontBio, &events[nCount]) != 1)
return 0;
nCount++;
}
}
else
{
if (transport->rdg)
{
tmp = rdg_get_event_handles(transport->rdg, events, nCount - count);
if (tmp == 0)
return 0;
nCount = tmp;
}
else if (transport->tsg)
{
tmp = tsg_get_event_handles(transport->tsg, events, nCount - count);
if (tmp == 0)
return 0;
nCount = tmp;
}
}
return nCount;
}
BOOL rdg_in_channel_connect(rdpRdg* rdg, const char* hostname, UINT16 port, int timeout)
{
BOOL status;
DWORD nCount;
HANDLE events[8];
assert(hostname != NULL);
status = rdg_tls_in_connect(rdg, hostname, port, timeout);
if (!status)
return FALSE;
status = rdg_send_in_channel_request(rdg);
if (!status)
return FALSE;
nCount = rdg_get_event_handles(rdg, events, 8);
if (nCount == 0)
return FALSE;
while (rdg->state <= RDG_CLIENT_STATE_IN_CHANNEL_AUTHORIZE)
{
WaitForMultipleObjects(nCount, events, FALSE, 100);
status = rdg_check_event_handles(rdg);
if (!status)
{
rdg->context->rdp->transport->layer = TRANSPORT_LAYER_CLOSED;
return FALSE;
}
}
return TRUE;
}
DWORD transport_get_event_handles(rdpTransport* transport, HANDLE* events,
DWORD count)
{
DWORD nCount = 1; /* always the reread Event */
DWORD tmp;
if (events)
{
if (count < 1)
{
WLog_Print(transport->log, WLOG_ERROR, "%s: provided handles array is too small", __FUNCTION__);
return 0;
}
events[0] = transport->rereadEvent;
}
if (!transport->GatewayEnabled)
{
nCount++;
if (events)
{
if (nCount > count)
{
WLog_Print(transport->log, WLOG_ERROR,
"%s: provided handles array is too small (count=%"PRIu32" nCount=%"PRIu32")",
__FUNCTION__, count, nCount);
return 0;
}
if (BIO_get_event(transport->frontBio, &events[1]) != 1)
{
WLog_Print(transport->log, WLOG_ERROR, "%s: error getting the frontBio handle", __FUNCTION__);
return 0;
}
}
}
else
{
if (transport->rdg)
{
tmp = rdg_get_event_handles(transport->rdg, &events[1], count - 1);
if (tmp == 0)
return 0;
nCount += tmp;
}
else if (transport->tsg)
{
tmp = tsg_get_event_handles(transport->tsg, &events[1], count - 1);
if (tmp == 0)
return 0;
nCount += tmp;
}
}
return nCount;
}