+
+ for (i = 0; ; i++) {
+ len = sizeof(adapterid);
+ if(RegEnumKeyEx(key, i, adapterid, &len, 0, 0, 0, NULL))
+ break;
+
+ if(device) {
+ if(!strcmp(device, adapterid)) {
+ found = true;
+ break;
+ } else
+ continue;
+ }
+
+ /* Find out more about this adapter */
+
+ snprintf(regpath, sizeof(regpath), "%s\\%s\\Connection", REG_CONTROL_NET, adapterid);
+
+ if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2)) {
+ logger(LOG_ERR, _("Unable to read registry"));
+ return false;
+ }
+
+ len = sizeof(adaptername);
+ RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+
+ if(iface) {
+ if(!strcmp(iface, adaptername)) {
+ found = true;
+ break;
+ } else
+ continue;
+ }
+
+ snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid);
+ handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0);
+ if(handle != INVALID_HANDLE_VALUE) {
+ CloseHandle(handle);
+ found = true;
+ break;
+ }
+ }
+
+ if(!found) {
+ logger(LOG_ERR, _("No Windows tap device found!"));
+ return false;
+ }
+
+ device = adapterid;
+ iface = 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(LOG_DEBUG, _("System call `%s' failed: %s"), "socketpair", strerror(errno));
+ return false;
+ }
+
+ /* The parent opens the tap device for writing. */
+
+ handle = CreateFile(tapname, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
+
+ if(handle == INVALID_HANDLE_VALUE) {
+ logger(LOG_ERR, _("Could not open CIPE tap device for writing!"));
+ return false;
+ }
+
+ device_fd = sp[0];
+
+ /* Get MAC address from tap device */
+
+ if(DeviceIoControl(device_fd, 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!"));
+ return false;
+ }
+
+ if(routing_mode == RMODE_ROUTER) {
+ overwrite_mac = 1;
+ }
+
+ /* Now we start the child */
+
+ reader_pid = fork();
+
+ if(reader_pid == -1) {
+ logger(LOG_DEBUG, _("System call `%s' failed: %s"), "fork", strerror(errno));
+ return false;
+ }
+
+ if(!reader_pid) {
+ /* The child opens the tap device for reading, blocking.
+ It passes everything it reads to the socket. */
+
+ char buf[MTU];
+ int lenin;
+
+ handle = CreateFile(tapname, GENERIC_READ, FILE_SHARE_WRITE, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
+
+ if(handle == INVALID_HANDLE_VALUE) {
+ logger(LOG_ERR, _("Could not open CIPE tap device for reading!"));
+ buf[0] = 0;
+ write(sp[1], buf, 1);
+ exit(1);
+ }
+
+ logger(LOG_DEBUG, _("Tap reader forked and running."));
+
+ /* Notify success */
+
+ buf[0] = 1;
+ write(sp[1], buf, 1);
+
+ /* Pass packets */
+
+ for(;;) {
+ ReadFile (handle, buf, MTU, &lenin, NULL);
+ write(sp[1], buf, lenin);
+ }
+ }
+
+ read(device_fd, &gelukt, 1);
+ if(gelukt != 1) {
+ logger(LOG_DEBUG, "Tap reader failed!");
+ return false;
+ }
+
+ if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+ iface = device;
+
+ device_info = _("Windows tap device");
+
+ logger(LOG_INFO, _("%s (%s) is a %s"), device, iface, device_info);
+
+ return false;