/*
device.c -- Interaction with Windows tap driver in a MinGW environment
Copyright (C) 2002-2005 Ivo Timmermans,
- 2002-2013 Guus Sliepen <guus@tinc-vpn.org>
+ 2002-2014 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
return false;
}
+ /* Get version information from tap device */
+
+ {
+ ULONG info[3] = {0};
+ DWORD len;
+ if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_VERSION, &info, sizeof info, &info, sizeof info, &len, NULL))
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Could not get version information from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
+ else
+ logger(DEBUG_ALWAYS, LOG_INFO, "TAP-Windows driver version: %lu.%lu%s", info[0], info[1], info[2] ? " (DEBUG)" : "");
+ }
+
/* Get MAC address from tap device */
if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof mymac.x, mymac.x, sizeof mymac.x, &len, 0)) {
logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
- if(!WriteFile(device_handle, packet->data, packet->len, &outlen, &overlapped)) {
+ if(!WriteFile(device_handle, DATA(packet), packet->len, &outlen, &overlapped)) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));
return false;
}