Remove broken windows cruft

2 files changed, 0 insertions, 533 deletions

diff --git a/tun_windows.go b/tun_windows.go
deleted file mode 100644
index c13ca72..0000000
--- a/tun_windows.go
+++ /dev/null
@@ -1,483 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * Copyright (C) 2017-2018 Mathias N. Hall-Andersen <mathias@hall-andersen.dk>.
- */
-
-package main
-
-import (
-	"encoding/binary"
-	"errors"
-	"fmt"
-	"golang.org/x/sys/windows"
-	"golang.org/x/sys/windows/registry"
-	"net"
-	"sync"
-	"syscall"
-	"time"
-	"unsafe"
-)
-
-/* Relies on the OpenVPN TAP-Windows driver (NDIS 6 version)
- *
- * https://github.com/OpenVPN/tap-windows
- */
-
-type NativeTUN struct {
-	fd     windows.Handle
-	rl     sync.Mutex
-	wl     sync.Mutex
-	ro     *windows.Overlapped
-	wo     *windows.Overlapped
-	events chan TUNEvent
-	name   string
-}
-
-const (
-	METHOD_BUFFERED = 0
-	ComponentID     = "tap0901" // tap0801
-)
-
-func ctl_code(device_type, function, method, access uint32) uint32 {
-	return (device_type << 16) | (access << 14) | (function << 2) | method
-}
-
-func TAP_CONTROL_CODE(request, method uint32) uint32 {
-	return ctl_code(file_device_unknown, request, method, 0)
-}
-
-var (
-	errIfceNameNotFound = errors.New("Failed to find the name of interface")
-
-	TAP_IOCTL_GET_MAC               = TAP_CONTROL_CODE(1, METHOD_BUFFERED)
-	TAP_IOCTL_GET_VERSION           = TAP_CONTROL_CODE(2, METHOD_BUFFERED)
-	TAP_IOCTL_GET_MTU               = TAP_CONTROL_CODE(3, METHOD_BUFFERED)
-	TAP_IOCTL_GET_INFO              = TAP_CONTROL_CODE(4, METHOD_BUFFERED)
-	TAP_IOCTL_CONFIG_POINT_TO_POINT = TAP_CONTROL_CODE(5, METHOD_BUFFERED)
-	TAP_IOCTL_SET_MEDIA_STATUS      = TAP_CONTROL_CODE(6, METHOD_BUFFERED)
-	TAP_IOCTL_CONFIG_DHCP_MASQ      = TAP_CONTROL_CODE(7, METHOD_BUFFERED)
-	TAP_IOCTL_GET_LOG_LINE          = TAP_CONTROL_CODE(8, METHOD_BUFFERED)
-	TAP_IOCTL_CONFIG_DHCP_SET_OPT   = TAP_CONTROL_CODE(9, METHOD_BUFFERED)
-	TAP_IOCTL_CONFIG_TUN            = TAP_CONTROL_CODE(10, METHOD_BUFFERED)
-
-	file_device_unknown = uint32(0x00000022)
-	nCreateEvent,
-	nResetEvent,
-	nGetOverlappedResult uintptr
-)
-
-func init() {
-	k32, err := windows.LoadLibrary("kernel32.dll")
-	if err != nil {
-		panic("LoadLibrary " + err.Error())
-	}
-	defer windows.FreeLibrary(k32)
-	nCreateEvent = getProcAddr(k32, "CreateEventW")
-	nResetEvent = getProcAddr(k32, "ResetEvent")
-	nGetOverlappedResult = getProcAddr(k32, "GetOverlappedResult")
-}
-
-/* implementation of the read/write/closer interface */
-
-func getProcAddr(lib windows.Handle, name string) uintptr {
-	addr, err := windows.GetProcAddress(lib, name)
-	if err != nil {
-		panic(name + " " + err.Error())
-	}
-	return addr
-}
-
-func resetEvent(h windows.Handle) error {
-	r, _, err := syscall.Syscall(nResetEvent, 1, uintptr(h), 0, 0)
-	if r == 0 {
-		return err
-	}
-	return nil
-}
-
-func getOverlappedResult(h windows.Handle, overlapped *windows.Overlapped) (int, error) {
-	var n int
-	r, _, err := syscall.Syscall6(
-		nGetOverlappedResult,
-		4,
-		uintptr(h),
-		uintptr(unsafe.Pointer(overlapped)),
-		uintptr(unsafe.Pointer(&n)), 1, 0, 0)
-
-	if r == 0 {
-		return n, err
-	}
-	return n, nil
-}
-
-func newOverlapped() (*windows.Overlapped, error) {
-	var overlapped windows.Overlapped
-	r, _, err := syscall.Syscall6(nCreateEvent, 4, 0, 1, 0, 0, 0, 0)
-	if r == 0 {
-		return nil, err
-	}
-	overlapped.HEvent = windows.Handle(r)
-	return &overlapped, nil
-}
-
-func (f *NativeTUN) Events() chan TUNEvent {
-	return f.events
-}
-
-func (f *NativeTUN) Close() error {
-	close(f.events)
-	err := windows.Close(f.fd)
-	return err
-}
-
-func (f *NativeTUN) Write(b []byte) (int, error) {
-	f.wl.Lock()
-	defer f.wl.Unlock()
-
-	if err := resetEvent(f.wo.HEvent); err != nil {
-		return 0, err
-	}
-	var n uint32
-	err := windows.WriteFile(f.fd, b, &n, f.wo)
-	if err != nil && err != windows.ERROR_IO_PENDING {
-		return int(n), err
-	}
-	return getOverlappedResult(f.fd, f.wo)
-}
-
-func (f *NativeTUN) Read(b []byte) (int, error) {
-	f.rl.Lock()
-	defer f.rl.Unlock()
-
-	if err := resetEvent(f.ro.HEvent); err != nil {
-		return 0, err
-	}
-	var done uint32
-	err := windows.ReadFile(f.fd, b, &done, f.ro)
-	if err != nil && err != windows.ERROR_IO_PENDING {
-		return int(done), err
-	}
-	return getOverlappedResult(f.fd, f.ro)
-}
-
-func getdeviceid(
-	targetComponentId string,
-	targetDeviceName string,
-) (deviceid string, err error) {
-
-	getName := func(instanceId string) (string, error) {
-		path := fmt.Sprintf(
-			`SYSTEM\CurrentControlSet\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}\%s\Connection`,
-			instanceId,
-		)
-
-		key, err := registry.OpenKey(
-			registry.LOCAL_MACHINE,
-			path,
-			registry.READ,
-		)
-
-		if err != nil {
-			return "", err
-		}
-		defer key.Close()
-
-		val, _, err := key.GetStringValue("Name")
-		key.Close()
-		return val, err
-	}
-
-	getInstanceId := func(keyName string) (string, string, error) {
-		path := fmt.Sprintf(
-			`SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}\%s`,
-			keyName,
-		)
-
-		key, err := registry.OpenKey(
-			registry.LOCAL_MACHINE,
-			path,
-			registry.READ,
-		)
-
-		if err != nil {
-			return "", "", err
-		}
-		defer key.Close()
-
-		componentId, _, err := key.GetStringValue("ComponentId")
-		if err != nil {
-			return "", "", err
-		}
-
-		instanceId, _, err := key.GetStringValue("NetCfgInstanceId")
-
-		return componentId, instanceId, err
-	}
-
-	// find list of all network devices
-
-	k, err := registry.OpenKey(
-		registry.LOCAL_MACHINE,
-		`SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}`,
-		registry.READ,
-	)
-
-	if err != nil {
-		return "", fmt.Errorf("Failed to open the adapter registry, TAP driver may be not installed, %v", err)
-	}
-
-	defer k.Close()
-
-	keys, err := k.ReadSubKeyNames(-1)
-
-	if err != nil {
-		return "", err
-	}
-
-	// look for matching component id and name
-
-	var componentFound bool
-
-	for _, v := range keys {
-
-		componentId, instanceId, err := getInstanceId(v)
-		if err != nil || componentId != targetComponentId {
-			continue
-		}
-
-		componentFound = true
-
-		deviceName, err := getName(instanceId)
-		if err != nil || deviceName != targetDeviceName {
-			continue
-		}
-
-		return instanceId, nil
-	}
-
-	// provide a descriptive error message
-
-	if componentFound {
-		return "", fmt.Errorf("Unable to find tun/tap device with name = %s", targetDeviceName)
-	}
-
-	return "", fmt.Errorf(
-		"Unable to find device in registry with ComponentId = %s, is tap-windows installed?",
-		targetComponentId,
-	)
-}
-
-// setStatus is used to bring up or bring down the interface
-func setStatus(fd windows.Handle, status bool) error {
-	var code [4]byte
-	if status {
-		binary.LittleEndian.PutUint32(code[:], 1)
-	}
-
-	var bytesReturned uint32
-	rdbbuf := make([]byte, windows.MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
-	return windows.DeviceIoControl(
-		fd,
-		TAP_IOCTL_SET_MEDIA_STATUS,
-		&code[0],
-		uint32(4),
-		&rdbbuf[0],
-		uint32(len(rdbbuf)),
-		&bytesReturned,
-		nil,
-	)
-}
-
-/* When operating in TUN mode we must assign an ip address & subnet to the device.
- *
- */
-func setTUN(fd windows.Handle, network string) error {
-	var bytesReturned uint32
-	rdbbuf := make([]byte, windows.MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
-	localIP, remoteNet, err := net.ParseCIDR(network)
-
-	if err != nil {
-		return fmt.Errorf("Failed to parse network CIDR in config, %v", err)
-	}
-
-	if localIP.To4() == nil {
-		return fmt.Errorf("Provided network(%s) is not a valid IPv4 address", network)
-	}
-
-	var param [12]byte
-
-	copy(param[0:4], localIP.To4())
-	copy(param[4:8], remoteNet.IP.To4())
-	copy(param[8:12], remoteNet.Mask)
-
-	return windows.DeviceIoControl(
-		fd,
-		TAP_IOCTL_CONFIG_TUN,
-		&param[0],
-		uint32(12),
-		&rdbbuf[0],
-		uint32(len(rdbbuf)),
-		&bytesReturned,
-		nil,
-	)
-}
-
-func (tun *NativeTUN) MTU() (int, error) {
-	var mtu [4]byte
-	var bytesReturned uint32
-	err := windows.DeviceIoControl(
-		tun.fd,
-		TAP_IOCTL_GET_MTU,
-		&mtu[0],
-		uint32(len(mtu)),
-		&mtu[0],
-		uint32(len(mtu)),
-		&bytesReturned,
-		nil,
-	)
-	val := binary.LittleEndian.Uint32(mtu[:])
-	return int(val), err
-}
-
-func (tun *NativeTUN) Name() string {
-	return tun.name
-}
-
-func CreateTUN(name string) (TUNDevice, error) {
-
-	// find the device in registry.
-
-	deviceid, err := getdeviceid(ComponentID, name)
-	if err != nil {
-		return nil, err
-	}
-	path := "\\\\.\\Global\\" + deviceid + ".tap"
-	pathp, err := windows.UTF16PtrFromString(path)
-	if err != nil {
-		return nil, err
-	}
-
-	// create TUN device
-
-	handle, err := windows.CreateFile(
-		pathp,
-		windows.GENERIC_READ|windows.GENERIC_WRITE,
-		0,
-		nil,
-		windows.OPEN_EXISTING,
-		windows.FILE_ATTRIBUTE_SYSTEM|windows.FILE_FLAG_OVERLAPPED,
-		0,
-	)
-
-	if err != nil {
-		return nil, err
-	}
-
-	ro, err := newOverlapped()
-	if err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	wo, err := newOverlapped()
-	if err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	tun := &NativeTUN{
-		fd:     handle,
-		name:   name,
-		ro:     ro,
-		wo:     wo,
-		events: make(chan TUNEvent, 5),
-	}
-
-	// find addresses of interface
-	// TODO: fix this hack, the question is how
-
-	inter, err := net.InterfaceByName(name)
-	if err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	addrs, err := inter.Addrs()
-	if err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	var ip net.IP
-	for _, addr := range addrs {
-		ip = func() net.IP {
-			switch v := addr.(type) {
-			case *net.IPNet:
-				return v.IP.To4()
-			case *net.IPAddr:
-				return v.IP.To4()
-			}
-			return nil
-		}()
-		if ip != nil {
-			break
-		}
-	}
-
-	if ip == nil {
-		windows.Close(handle)
-		return nil, errors.New("No IPv4 address found for interface")
-	}
-
-	// bring up device.
-
-	if err := setStatus(handle, true); err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	// set tun mode
-
-	mask := ip.String() + "/0"
-	if err := setTUN(handle, mask); err != nil {
-		windows.Close(handle)
-		return nil, err
-	}
-
-	// start listener
-
-	go func(native *NativeTUN, ifname string) {
-		// TODO: Fix this very niave implementation
-		var (
-			statusUp  bool
-			statusMTU int
-		)
-
-		for ; ; time.Sleep(time.Second) {
-			intr, err := net.InterfaceByName(name)
-			if err != nil {
-				// TODO: handle
-				return
-			}
-
-			// Up / Down event
-			up := (intr.Flags & net.FlagUp) != 0
-			if up != statusUp && up {
-				native.events <- TUNEventUp
-			}
-			if up != statusUp && !up {
-				native.events <- TUNEventDown
-			}
-			statusUp = up
-
-			// MTU changes
-			if intr.MTU != statusMTU {
-				native.events <- TUNEventMTUUpdate
-			}
-			statusMTU = intr.MTU
-		}
-	}(tun, name)
-
-	return tun, nil
-}
diff --git a/uapi_windows.go b/uapi_windows.go
deleted file mode 100644
index 41808f7..0000000
--- a/uapi_windows.go
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * Copyright (C) 2017-2018 Mathias N. Hall-Andersen <mathias@hall-andersen.dk>.
- */
-
-package main
-
-/* UAPI on windows uses a bidirectional named pipe
- */
-
-import (
-	"fmt"
-	"github.com/Microsoft/go-winio"
-	"golang.org/x/sys/windows"
-	"net"
-)
-
-const (
-	ipcErrorIO        = -int64(windows.ERROR_BROKEN_PIPE)
-	ipcErrorProtocol  = -int64(windows.ERROR_INVALID_NAME)
-	ipcErrorInvalid   = -int64(windows.ERROR_INVALID_PARAMETER)
-	ipcErrorPortInUse = -int64(windows.ERROR_ALREADY_EXISTS)
-)
-
-const PipeNameFmt = "\\\\.\\pipe\\wireguard-ipc-%s"
-
-type UAPIListener struct {
-	listener net.Listener
-}
-
-func (uapi *UAPIListener) Accept() (net.Conn, error) {
-	return nil, nil
-}
-
-func (uapi *UAPIListener) Close() error {
-	return uapi.listener.Close()
-}
-
-func (uapi *UAPIListener) Addr() net.Addr {
-	return nil
-}
-
-func NewUAPIListener(name string) (net.Listener, error) {
-	path := fmt.Sprintf(PipeNameFmt, name)
-	return winio.ListenPipe(path, &winio.PipeConfig{
-		InputBufferSize:  2048,
-		OutputBufferSize: 2048,
-	})
-}