namedpipe: rename from winpipe to keep in sync with CL299009

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

3 files changed, 0 insertions, 368 deletions

diff --git a/tun/wintun/dll_windows.go b/tun/wintun/dll_windows.go
deleted file mode 100644
index 3832c1e..0000000
--- a/tun/wintun/dll_windows.go
+++ /dev/null
@@ -1,128 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
- */
-
-package wintun
-
-import (
-	"fmt"
-	"sync"
-	"sync/atomic"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-func newLazyDLL(name string, onLoad func(d *lazyDLL)) *lazyDLL {
-	return &lazyDLL{Name: name, onLoad: onLoad}
-}
-
-func (d *lazyDLL) NewProc(name string) *lazyProc {
-	return &lazyProc{dll: d, Name: name}
-}
-
-type lazyProc struct {
-	Name string
-	mu   sync.Mutex
-	dll  *lazyDLL
-	addr uintptr
-}
-
-func (p *lazyProc) Find() error {
-	if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&p.addr))) != nil {
-		return nil
-	}
-	p.mu.Lock()
-	defer p.mu.Unlock()
-	if p.addr != 0 {
-		return nil
-	}
-
-	err := p.dll.Load()
-	if err != nil {
-		return fmt.Errorf("Error loading %v DLL: %w", p.dll.Name, err)
-	}
-	addr, err := p.nameToAddr()
-	if err != nil {
-		return fmt.Errorf("Error getting %v address: %w", p.Name, err)
-	}
-
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&p.addr)), unsafe.Pointer(addr))
-	return nil
-}
-
-func (p *lazyProc) Addr() uintptr {
-	err := p.Find()
-	if err != nil {
-		panic(err)
-	}
-	return p.addr
-}
-
-type lazyDLL struct {
-	Name   string
-	mu     sync.Mutex
-	module windows.Handle
-	onLoad func(d *lazyDLL)
-}
-
-func (d *lazyDLL) Load() error {
-	if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&d.module))) != nil {
-		return nil
-	}
-	d.mu.Lock()
-	defer d.mu.Unlock()
-	if d.module != 0 {
-		return nil
-	}
-
-	const (
-		LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x00000200
-		LOAD_LIBRARY_SEARCH_SYSTEM32        = 0x00000800
-	)
-	module, err := windows.LoadLibraryEx(d.Name, 0, LOAD_LIBRARY_SEARCH_APPLICATION_DIR|LOAD_LIBRARY_SEARCH_SYSTEM32)
-	if err != nil {
-		return fmt.Errorf("Unable to load library: %w", err)
-	}
-
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&d.module)), unsafe.Pointer(module))
-	if d.onLoad != nil {
-		d.onLoad(d)
-	}
-	return nil
-}
-
-func (p *lazyProc) nameToAddr() (uintptr, error) {
-	return windows.GetProcAddress(p.dll.module, p.Name)
-}
-
-// Version returns the version of the Wintun DLL.
-func Version() string {
-	if modwintun.Load() != nil {
-		return "unknown"
-	}
-	resInfo, err := windows.FindResource(modwintun.module, windows.ResourceID(1), windows.RT_VERSION)
-	if err != nil {
-		return "unknown"
-	}
-	data, err := windows.LoadResourceData(modwintun.module, resInfo)
-	if err != nil {
-		return "unknown"
-	}
-
-	var fixedInfo *windows.VS_FIXEDFILEINFO
-	fixedInfoLen := uint32(unsafe.Sizeof(*fixedInfo))
-	err = windows.VerQueryValue(unsafe.Pointer(&data[0]), `\`, unsafe.Pointer(&fixedInfo), &fixedInfoLen)
-	if err != nil {
-		return "unknown"
-	}
-	version := fmt.Sprintf("%d.%d", (fixedInfo.FileVersionMS>>16)&0xff, (fixedInfo.FileVersionMS>>0)&0xff)
-	if nextNibble := (fixedInfo.FileVersionLS >> 16) & 0xff; nextNibble != 0 {
-		version += fmt.Sprintf(".%d", nextNibble)
-	}
-	if nextNibble := (fixedInfo.FileVersionLS >> 0) & 0xff; nextNibble != 0 {
-		version += fmt.Sprintf(".%d", nextNibble)
-	}
-	return version
-}
diff --git a/tun/wintun/session_windows.go b/tun/wintun/session_windows.go
deleted file mode 100644
index f023baf..0000000
--- a/tun/wintun/session_windows.go
+++ /dev/null
@@ -1,90 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
- */
-
-package wintun
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-type Session struct {
-	handle uintptr
-}
-
-const (
-	PacketSizeMax   = 0xffff    // Maximum packet size
-	RingCapacityMin = 0x20000   // Minimum ring capacity (128 kiB)
-	RingCapacityMax = 0x4000000 // Maximum ring capacity (64 MiB)
-)
-
-// Packet with data
-type Packet struct {
-	Next *Packet              // Pointer to next packet in queue
-	Size uint32               // Size of packet (max WINTUN_MAX_IP_PACKET_SIZE)
-	Data *[PacketSizeMax]byte // Pointer to layer 3 IPv4 or IPv6 packet
-}
-
-var (
-	procWintunAllocateSendPacket   = modwintun.NewProc("WintunAllocateSendPacket")
-	procWintunEndSession           = modwintun.NewProc("WintunEndSession")
-	procWintunGetReadWaitEvent     = modwintun.NewProc("WintunGetReadWaitEvent")
-	procWintunReceivePacket        = modwintun.NewProc("WintunReceivePacket")
-	procWintunReleaseReceivePacket = modwintun.NewProc("WintunReleaseReceivePacket")
-	procWintunSendPacket           = modwintun.NewProc("WintunSendPacket")
-	procWintunStartSession         = modwintun.NewProc("WintunStartSession")
-)
-
-func (wintun *Adapter) StartSession(capacity uint32) (session Session, err error) {
-	r0, _, e1 := syscall.Syscall(procWintunStartSession.Addr(), 2, uintptr(wintun.handle), uintptr(capacity), 0)
-	if r0 == 0 {
-		err = e1
-	} else {
-		session = Session{r0}
-	}
-	return
-}
-
-func (session Session) End() {
-	syscall.Syscall(procWintunEndSession.Addr(), 1, session.handle, 0, 0)
-	session.handle = 0
-}
-
-func (session Session) ReadWaitEvent() (handle windows.Handle) {
-	r0, _, _ := syscall.Syscall(procWintunGetReadWaitEvent.Addr(), 1, session.handle, 0, 0)
-	handle = windows.Handle(r0)
-	return
-}
-
-func (session Session) ReceivePacket() (packet []byte, err error) {
-	var packetSize uint32
-	r0, _, e1 := syscall.Syscall(procWintunReceivePacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packetSize)), 0)
-	if r0 == 0 {
-		err = e1
-		return
-	}
-	packet = unsafe.Slice((*byte)(unsafe.Pointer(r0)), packetSize)
-	return
-}
-
-func (session Session) ReleaseReceivePacket(packet []byte) {
-	syscall.Syscall(procWintunReleaseReceivePacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
-}
-
-func (session Session) AllocateSendPacket(packetSize int) (packet []byte, err error) {
-	r0, _, e1 := syscall.Syscall(procWintunAllocateSendPacket.Addr(), 2, session.handle, uintptr(packetSize), 0)
-	if r0 == 0 {
-		err = e1
-		return
-	}
-	packet = unsafe.Slice((*byte)(unsafe.Pointer(r0)), packetSize)
-	return
-}
-
-func (session Session) SendPacket(packet []byte) {
-	syscall.Syscall(procWintunSendPacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
-}
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
deleted file mode 100644
index 2fe26a7..0000000
--- a/tun/wintun/wintun_windows.go
+++ /dev/null
@@ -1,150 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
- */
-
-package wintun
-
-import (
-	"log"
-	"runtime"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-type loggerLevel int
-
-const (
-	logInfo loggerLevel = iota
-	logWarn
-	logErr
-)
-
-const AdapterNameMax = 128
-
-type Adapter struct {
-	handle uintptr
-}
-
-var (
-	modwintun                         = newLazyDLL("wintun.dll", setupLogger)
-	procWintunCreateAdapter           = modwintun.NewProc("WintunCreateAdapter")
-	procWintunOpenAdapter             = modwintun.NewProc("WintunOpenAdapter")
-	procWintunCloseAdapter            = modwintun.NewProc("WintunCloseAdapter")
-	procWintunDeleteDriver            = modwintun.NewProc("WintunDeleteDriver")
-	procWintunGetAdapterLUID          = modwintun.NewProc("WintunGetAdapterLUID")
-	procWintunGetRunningDriverVersion = modwintun.NewProc("WintunGetRunningDriverVersion")
-)
-
-type TimestampedWriter interface {
-	WriteWithTimestamp(p []byte, ts int64) (n int, err error)
-}
-
-func logMessage(level loggerLevel, timestamp uint64, msg *uint16) int {
-	if tw, ok := log.Default().Writer().(TimestampedWriter); ok {
-		tw.WriteWithTimestamp([]byte(log.Default().Prefix()+windows.UTF16PtrToString(msg)), (int64(timestamp)-116444736000000000)*100)
-	} else {
-		log.Println(windows.UTF16PtrToString(msg))
-	}
-	return 0
-}
-
-func setupLogger(dll *lazyDLL) {
-	var callback uintptr
-	if runtime.GOARCH == "386" {
-		callback = windows.NewCallback(func(level loggerLevel, timestampLow, timestampHigh uint32, msg *uint16) int {
-			return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
-		})
-	} else if runtime.GOARCH == "arm" {
-		callback = windows.NewCallback(func(level loggerLevel, _, timestampLow, timestampHigh uint32, msg *uint16) int {
-			return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
-		})
-	} else if runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64" {
-		callback = windows.NewCallback(logMessage)
-	}
-	syscall.Syscall(dll.NewProc("WintunSetLogger").Addr(), 1, callback, 0, 0)
-}
-
-func closeAdapter(wintun *Adapter) {
-	syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
-}
-
-// CreateAdapter creates a Wintun adapter. name is the cosmetic name of the adapter.
-// tunnelType represents the type of adapter and should be "Wintun". requestedGUID is
-// the GUID of the created network adapter, which then influences NLA generation
-// deterministically. If it is set to nil, the GUID is chosen by the system at random,
-// and hence a new NLA entry is created for each new adapter.
-func CreateAdapter(name string, tunnelType string, requestedGUID *windows.GUID) (wintun *Adapter, err error) {
-	var name16 *uint16
-	name16, err = windows.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	var tunnelType16 *uint16
-	tunnelType16, err = windows.UTF16PtrFromString(tunnelType)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := syscall.Syscall(procWintunCreateAdapter.Addr(), 3, uintptr(unsafe.Pointer(name16)), uintptr(unsafe.Pointer(tunnelType16)), uintptr(unsafe.Pointer(requestedGUID)))
-	if r0 == 0 {
-		err = e1
-		return
-	}
-	wintun = &Adapter{handle: r0}
-	runtime.SetFinalizer(wintun, closeAdapter)
-	return
-}
-
-// OpenAdapter opens an existing Wintun adapter by name.
-func OpenAdapter(name string) (wintun *Adapter, err error) {
-	var name16 *uint16
-	name16, err = windows.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := syscall.Syscall(procWintunOpenAdapter.Addr(), 1, uintptr(unsafe.Pointer(name16)), 0, 0)
-	if r0 == 0 {
-		err = e1
-		return
-	}
-	wintun = &Adapter{handle: r0}
-	runtime.SetFinalizer(wintun, closeAdapter)
-	return
-}
-
-// Close closes a Wintun adapter.
-func (wintun *Adapter) Close() (err error) {
-	runtime.SetFinalizer(wintun, nil)
-	r1, _, e1 := syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
-	if r1 == 0 {
-		err = e1
-	}
-	return
-}
-
-// Uninstall removes the driver from the system if no drivers are currently in use.
-func Uninstall() (err error) {
-	r1, _, e1 := syscall.Syscall(procWintunDeleteDriver.Addr(), 0, 0, 0, 0)
-	if r1 == 0 {
-		err = e1
-	}
-	return
-}
-
-// RunningVersion returns the version of the loaded driver.
-func RunningVersion() (version uint32, err error) {
-	r0, _, e1 := syscall.Syscall(procWintunGetRunningDriverVersion.Addr(), 0, 0, 0, 0)
-	version = uint32(r0)
-	if version == 0 {
-		err = e1
-	}
-	return
-}
-
-// LUID returns the LUID of the adapter.
-func (wintun *Adapter) LUID() (luid uint64) {
-	syscall.Syscall(procWintunGetAdapterLUID.Addr(), 2, uintptr(wintun.handle), uintptr(unsafe.Pointer(&luid)), 0)
-	return
-}