X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fmingw%2Fdevice.c;h=1c1c2e66b533d2bc609eb440532edc445bfe35c6;hp=0ae0cf2713a84af3c88bce6bf892fe89b43e0230;hb=de78d79db84c486afcc353884ec1770866beb653;hpb=5193a14ddea4c20ffc708dc629a2f91f1e4ccea3

diff --git a/src/mingw/device.c b/src/mingw/device.c
index 0ae0cf27..1c1c2e66 100644
--- a/src/mingw/device.c
+++ b/src/mingw/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with Windows tap driver in a MinGW environment
-    Copyright (C) 2002-2003 Ivo Timmermans <ivo@o2w.nl>,
-                  2002-2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 2002-2005 Ivo Timmermans,
+                  2002-2006 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
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: device.c,v 1.1.2.11 2003/08/03 21:45:41 guus Exp $
+    $Id$
 */
 
 #include "system.h"
@@ -32,26 +32,16 @@
 #include "utils.h"
 #include "xalloc.h"
 
-#define REG_CONTROL_NET      "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
-
-#define USERMODEDEVICEDIR "\\\\.\\"
-#define USERDEVICEDIR "\\??\\"
-#define TAPSUFFIX     ".tap"
-
-#define TAP_CONTROL_CODE(request,method) CTL_CODE(FILE_DEVICE_PHYSICAL_NETCARD | 8000, request, method, FILE_ANY_ACCESS)
-
-#define TAP_IOCTL_GET_LASTMAC    TAP_CONTROL_CODE(0, METHOD_BUFFERED)
-#define TAP_IOCTL_GET_MAC        TAP_CONTROL_CODE(1, METHOD_BUFFERED)
-#define TAP_IOCTL_SET_STATISTICS TAP_CONTROL_CODE(2, METHOD_BUFFERED)
+#include "mingw/common.h"
 
 int device_fd = 0;
-HANDLE device_handle = INVALID_HANDLE_VALUE;
+static HANDLE device_handle = INVALID_HANDLE_VALUE;
 char *device = NULL;
 char *iface = NULL;
 char *device_info = NULL;
 
-int device_total_in = 0;
-int device_total_out = 0;
+static int device_total_in = 0;
+static int device_total_out = 0;
 
 extern char *myport;
 
@@ -131,6 +121,7 @@ bool setup_device(void)
 	char adaptername[1024];
 	char tapname[1024];
 	long len;
+	unsigned long status;
 
 	bool found = false;
 
@@ -152,7 +143,7 @@ bool setup_device(void)
 
 	/* Open registry and look for network adapters */
 
-	if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, REG_CONTROL_NET, 0, KEY_READ, &key)) {
+	if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &key)) {
 		logger(LOG_ERR, _("Unable to read registry: %s"), winerror(GetLastError()));
 		return false;
 	}
@@ -164,16 +155,19 @@ bool setup_device(void)
 
 		/* Find out more about this adapter */
 
-		snprintf(regpath, sizeof(regpath), "%s\\%s\\Connection", REG_CONTROL_NET, adapterid);
+		snprintf(regpath, sizeof(regpath), "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid);
 
                 if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2))
 			continue;
 
 		len = sizeof(adaptername);
-		RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+		err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
 
 		RegCloseKey(key2);
 
+		if(err)
+			continue;
+
 		if(device) {
 			if(!strcmp(device, adapterid)) {
 				found = true;
@@ -219,14 +213,14 @@ bool setup_device(void)
 	}
 	
 	if(device_handle == INVALID_HANDLE_VALUE) {
-		logger(LOG_ERR, _("%s (%s) is no a usable Windows tap device!"), device, iface);
+		logger(LOG_ERR, _("%s (%s) is not a usable Windows tap device: %s"), device, iface, winerror(GetLastError()));
 		return false;
 	}
 
 	/* 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(LOG_ERR, _("Could not get MAC address from Windows tap device!"));
+		logger(LOG_ERR, _("Could not get MAC address from Windows tap device %s (%s): %s"), device, iface, winerror(GetLastError()));
 		return false;
 	}
 
@@ -280,6 +274,11 @@ bool setup_device(void)
 
 	closesocket(sock);
 
+	/* Set media status for newer TAP-Win32 devices */
+
+	status = true;
+	DeviceIoControl(device_handle, TAP_IOCTL_SET_MEDIA_STATUS, &status, sizeof(status), &status, sizeof(status), &len, NULL);
+
 	device_info = _("Windows tap device");
 
 	logger(LOG_INFO, _("%s (%s) is a %s"), device, iface, device_info);