+static HANDLE device_handle = INVALID_HANDLE_VALUE;
+char *device = NULL;
+char *iface = NULL;
+static char *device_info = NULL;
+
+static pid_t reader_pid;
+static int sp[2];
+
+static bool setup_device(void) {
+ HKEY key, key2;
+ int i, err;
+
+ char regpath[1024];
+ char adapterid[1024];
+ char adaptername[1024];
+ char tapname[1024];
+ char gelukt = 0;
+ long len;
+
+ bool found = false;
+
+ get_config_string(lookup_config(config_tree, "Device"), &device);
+ get_config_string(lookup_config(config_tree, "Interface"), &iface);
+
+ /* Open registry and look for network adapters */
+
+ if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &key)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to read registry: %s", winerror(GetLastError()));
+ return false;
+ }
+
+ for (i = 0; ; i++) {
+ len = sizeof adapterid;
+ if(RegEnumKeyEx(key, i, adapterid, &len, 0, 0, 0, NULL))
+ break;
+
+ /* Find out more about this adapter */
+
+ 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;
+ err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+
+ RegCloseKey(key2);
+
+ if(err)
+ continue;
+
+ if(device) {
+ if(!strcmp(device, adapterid)) {
+ found = true;
+ break;
+ } else
+ continue;
+ }
+
+ if(iface) {
+ if(!strcmp(iface, adaptername)) {
+ found = true;
+ break;
+ } else
+ continue;
+ }
+
+ snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid);
+ device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0);
+ if(device_handle != INVALID_HANDLE_VALUE) {
+ CloseHandle(device_handle);
+ found = true;
+ break;
+ }
+ }
+
+ RegCloseKey(key);
+
+ if(!found) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "No Windows tap device found!");
+ return false;
+ }
+
+ if(!device)
+ device = xstrdup(adapterid);
+
+ if(!iface)
+ iface = xstrdup(adaptername);
+
+ snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, device);
+
+ /* Now we are going to open this device twice: once for reading and once for writing.
+ We do this because apparently it isn't possible to check for activity in the select() loop.
+ Furthermore I don't really know how to do it the "Windows" way. */
+
+ if(socketpair(AF_UNIX, SOCK_DGRAM, PF_UNIX, sp)) {
+ logger(DEBUG_ALWAYS, LOG_DEBUG, "System call `%s' failed: %s", "socketpair", strerror(errno));
+ return false;
+ }
+
+ /* The parent opens the tap device for writing. */