ipc: use simplified fork of winio
This commit is contained in:
parent
dc9bbec9db
commit
a74a29bc93
10
go.mod
10
go.mod
@ -3,11 +3,7 @@ module golang.zx2c4.com/wireguard
|
||||
go 1.12
|
||||
|
||||
require (
|
||||
github.com/Microsoft/go-winio v0.4.12
|
||||
github.com/pkg/errors v0.8.1 // indirect
|
||||
golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734
|
||||
golang.org/x/net v0.0.0-20190502183928-7f726cade0ab
|
||||
golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82
|
||||
golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f
|
||||
golang.org/x/net v0.0.0-20190522155817-f3200d17e092
|
||||
golang.org/x/sys v0.0.0-20190522044717-8097e1b27ff5
|
||||
)
|
||||
|
||||
replace github.com/Microsoft/go-winio => golang.zx2c4.com/wireguard/windows v0.0.0-20190429060359-b01600290cd4
|
||||
|
16
go.sum
16
go.sum
@ -1,15 +1,11 @@
|
||||
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
|
||||
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734 h1:p/H982KKEjUnLJkM3tt/LemDnOc1GiZL5FCVlORJ5zo=
|
||||
golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
||||
golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f h1:R423Cnkcp5JABoeemiGEPlt9tHXFfw5kvc0yqlxRPWo=
|
||||
golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
||||
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190502183928-7f726cade0ab h1:9RfW3ktsOZxgo9YNbBAjq1FWzc/igwEcUzZz8IXgSbk=
|
||||
golang.org/x/net v0.0.0-20190502183928-7f726cade0ab/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||
golang.org/x/net v0.0.0-20190522155817-f3200d17e092 h1:4QSRKanuywn15aTZvI/mIDEgPQpswuFndXpOj3rKEco=
|
||||
golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82 h1:vsphBvatvfbhlb4PO1BYSr9dzugGxJ/SQHoNufZJq1w=
|
||||
golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.0.0-20190522044717-8097e1b27ff5 h1:f005F/Jl5JLP036x7QIvUVhNTqxvSYwFIiyOh2q12iU=
|
||||
golang.org/x/sys v0.0.0-20190522044717-8097e1b27ff5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.zx2c4.com/wireguard/windows v0.0.0-20190429060359-b01600290cd4 h1:wueYNew2pMLl/LcKqX4PAzc+zV4suK9+DJaZ8yIEHkM=
|
||||
golang.zx2c4.com/wireguard/windows v0.0.0-20190429060359-b01600290cd4/go.mod h1:Y+FYqVFaQO6a+1uigm0N0GiuaZrLEaBxEiJ8tfH9sMQ=
|
||||
|
@ -8,7 +8,7 @@ package ipc
|
||||
import (
|
||||
"net"
|
||||
|
||||
"github.com/Microsoft/go-winio"
|
||||
"golang.zx2c4.com/wireguard/ipc/winpipe"
|
||||
)
|
||||
|
||||
//TODO: replace these with actual standard windows error numbers from the win package
|
||||
@ -59,10 +59,10 @@ func GetSystemSecurityDescriptor() string {
|
||||
}
|
||||
|
||||
func UAPIListen(name string) (net.Listener, error) {
|
||||
config := winio.PipeConfig{
|
||||
config := winpipe.PipeConfig{
|
||||
SecurityDescriptor: GetSystemSecurityDescriptor(),
|
||||
}
|
||||
listener, err := winio.ListenPipe("\\\\.\\pipe\\WireGuard\\"+name, &config)
|
||||
listener, err := winpipe.ListenPipe("\\\\.\\pipe\\WireGuard\\"+name, &config)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
322
ipc/winpipe/file.go
Normal file
322
ipc/winpipe/file.go
Normal file
@ -0,0 +1,322 @@
|
||||
// +build windows
|
||||
|
||||
/* SPDX-License-Identifier: MIT
|
||||
*
|
||||
* Copyright (C) 2005 Microsoft
|
||||
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
|
||||
*/
|
||||
package winpipe
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"io"
|
||||
"runtime"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"syscall"
|
||||
"time"
|
||||
)
|
||||
|
||||
//sys cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) = CancelIoEx
|
||||
//sys createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) = CreateIoCompletionPort
|
||||
//sys getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) = GetQueuedCompletionStatus
|
||||
//sys setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) = SetFileCompletionNotificationModes
|
||||
//sys wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
|
||||
|
||||
type atomicBool int32
|
||||
|
||||
func (b *atomicBool) isSet() bool { return atomic.LoadInt32((*int32)(b)) != 0 }
|
||||
func (b *atomicBool) setFalse() { atomic.StoreInt32((*int32)(b), 0) }
|
||||
func (b *atomicBool) setTrue() { atomic.StoreInt32((*int32)(b), 1) }
|
||||
func (b *atomicBool) swap(new bool) bool {
|
||||
var newInt int32
|
||||
if new {
|
||||
newInt = 1
|
||||
}
|
||||
return atomic.SwapInt32((*int32)(b), newInt) == 1
|
||||
}
|
||||
|
||||
const (
|
||||
cFILE_SKIP_COMPLETION_PORT_ON_SUCCESS = 1
|
||||
cFILE_SKIP_SET_EVENT_ON_HANDLE = 2
|
||||
)
|
||||
|
||||
var (
|
||||
ErrFileClosed = errors.New("file has already been closed")
|
||||
ErrTimeout = &timeoutError{}
|
||||
)
|
||||
|
||||
type timeoutError struct{}
|
||||
|
||||
func (e *timeoutError) Error() string { return "i/o timeout" }
|
||||
func (e *timeoutError) Timeout() bool { return true }
|
||||
func (e *timeoutError) Temporary() bool { return true }
|
||||
|
||||
type timeoutChan chan struct{}
|
||||
|
||||
var ioInitOnce sync.Once
|
||||
var ioCompletionPort syscall.Handle
|
||||
|
||||
// ioResult contains the result of an asynchronous IO operation
|
||||
type ioResult struct {
|
||||
bytes uint32
|
||||
err error
|
||||
}
|
||||
|
||||
// ioOperation represents an outstanding asynchronous Win32 IO
|
||||
type ioOperation struct {
|
||||
o syscall.Overlapped
|
||||
ch chan ioResult
|
||||
}
|
||||
|
||||
func initIo() {
|
||||
h, err := createIoCompletionPort(syscall.InvalidHandle, 0, 0, 0xffffffff)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
ioCompletionPort = h
|
||||
go ioCompletionProcessor(h)
|
||||
}
|
||||
|
||||
// win32File implements Reader, Writer, and Closer on a Win32 handle without blocking in a syscall.
|
||||
// It takes ownership of this handle and will close it if it is garbage collected.
|
||||
type win32File struct {
|
||||
handle syscall.Handle
|
||||
wg sync.WaitGroup
|
||||
wgLock sync.RWMutex
|
||||
closing atomicBool
|
||||
socket bool
|
||||
readDeadline deadlineHandler
|
||||
writeDeadline deadlineHandler
|
||||
}
|
||||
|
||||
type deadlineHandler struct {
|
||||
setLock sync.Mutex
|
||||
channel timeoutChan
|
||||
channelLock sync.RWMutex
|
||||
timer *time.Timer
|
||||
timedout atomicBool
|
||||
}
|
||||
|
||||
// makeWin32File makes a new win32File from an existing file handle
|
||||
func makeWin32File(h syscall.Handle) (*win32File, error) {
|
||||
f := &win32File{handle: h}
|
||||
ioInitOnce.Do(initIo)
|
||||
_, err := createIoCompletionPort(h, ioCompletionPort, 0, 0xffffffff)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
err = setFileCompletionNotificationModes(h, cFILE_SKIP_COMPLETION_PORT_ON_SUCCESS|cFILE_SKIP_SET_EVENT_ON_HANDLE)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
f.readDeadline.channel = make(timeoutChan)
|
||||
f.writeDeadline.channel = make(timeoutChan)
|
||||
return f, nil
|
||||
}
|
||||
|
||||
func MakeOpenFile(h syscall.Handle) (io.ReadWriteCloser, error) {
|
||||
return makeWin32File(h)
|
||||
}
|
||||
|
||||
// closeHandle closes the resources associated with a Win32 handle
|
||||
func (f *win32File) closeHandle() {
|
||||
f.wgLock.Lock()
|
||||
// Atomically set that we are closing, releasing the resources only once.
|
||||
if !f.closing.swap(true) {
|
||||
f.wgLock.Unlock()
|
||||
// cancel all IO and wait for it to complete
|
||||
cancelIoEx(f.handle, nil)
|
||||
f.wg.Wait()
|
||||
// at this point, no new IO can start
|
||||
syscall.Close(f.handle)
|
||||
f.handle = 0
|
||||
} else {
|
||||
f.wgLock.Unlock()
|
||||
}
|
||||
}
|
||||
|
||||
// Close closes a win32File.
|
||||
func (f *win32File) Close() error {
|
||||
f.closeHandle()
|
||||
return nil
|
||||
}
|
||||
|
||||
// prepareIo prepares for a new IO operation.
|
||||
// The caller must call f.wg.Done() when the IO is finished, prior to Close() returning.
|
||||
func (f *win32File) prepareIo() (*ioOperation, error) {
|
||||
f.wgLock.RLock()
|
||||
if f.closing.isSet() {
|
||||
f.wgLock.RUnlock()
|
||||
return nil, ErrFileClosed
|
||||
}
|
||||
f.wg.Add(1)
|
||||
f.wgLock.RUnlock()
|
||||
c := &ioOperation{}
|
||||
c.ch = make(chan ioResult)
|
||||
return c, nil
|
||||
}
|
||||
|
||||
// ioCompletionProcessor processes completed async IOs forever
|
||||
func ioCompletionProcessor(h syscall.Handle) {
|
||||
for {
|
||||
var bytes uint32
|
||||
var key uintptr
|
||||
var op *ioOperation
|
||||
err := getQueuedCompletionStatus(h, &bytes, &key, &op, syscall.INFINITE)
|
||||
if op == nil {
|
||||
panic(err)
|
||||
}
|
||||
op.ch <- ioResult{bytes, err}
|
||||
}
|
||||
}
|
||||
|
||||
// asyncIo processes the return value from ReadFile or WriteFile, blocking until
|
||||
// the operation has actually completed.
|
||||
func (f *win32File) asyncIo(c *ioOperation, d *deadlineHandler, bytes uint32, err error) (int, error) {
|
||||
if err != syscall.ERROR_IO_PENDING {
|
||||
return int(bytes), err
|
||||
}
|
||||
|
||||
if f.closing.isSet() {
|
||||
cancelIoEx(f.handle, &c.o)
|
||||
}
|
||||
|
||||
var timeout timeoutChan
|
||||
if d != nil {
|
||||
d.channelLock.Lock()
|
||||
timeout = d.channel
|
||||
d.channelLock.Unlock()
|
||||
}
|
||||
|
||||
var r ioResult
|
||||
select {
|
||||
case r = <-c.ch:
|
||||
err = r.err
|
||||
if err == syscall.ERROR_OPERATION_ABORTED {
|
||||
if f.closing.isSet() {
|
||||
err = ErrFileClosed
|
||||
}
|
||||
} else if err != nil && f.socket {
|
||||
// err is from Win32. Query the overlapped structure to get the winsock error.
|
||||
var bytes, flags uint32
|
||||
err = wsaGetOverlappedResult(f.handle, &c.o, &bytes, false, &flags)
|
||||
}
|
||||
case <-timeout:
|
||||
cancelIoEx(f.handle, &c.o)
|
||||
r = <-c.ch
|
||||
err = r.err
|
||||
if err == syscall.ERROR_OPERATION_ABORTED {
|
||||
err = ErrTimeout
|
||||
}
|
||||
}
|
||||
|
||||
// runtime.KeepAlive is needed, as c is passed via native
|
||||
// code to ioCompletionProcessor, c must remain alive
|
||||
// until the channel read is complete.
|
||||
runtime.KeepAlive(c)
|
||||
return int(r.bytes), err
|
||||
}
|
||||
|
||||
// Read reads from a file handle.
|
||||
func (f *win32File) Read(b []byte) (int, error) {
|
||||
c, err := f.prepareIo()
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
defer f.wg.Done()
|
||||
|
||||
if f.readDeadline.timedout.isSet() {
|
||||
return 0, ErrTimeout
|
||||
}
|
||||
|
||||
var bytes uint32
|
||||
err = syscall.ReadFile(f.handle, b, &bytes, &c.o)
|
||||
n, err := f.asyncIo(c, &f.readDeadline, bytes, err)
|
||||
runtime.KeepAlive(b)
|
||||
|
||||
// Handle EOF conditions.
|
||||
if err == nil && n == 0 && len(b) != 0 {
|
||||
return 0, io.EOF
|
||||
} else if err == syscall.ERROR_BROKEN_PIPE {
|
||||
return 0, io.EOF
|
||||
} else {
|
||||
return n, err
|
||||
}
|
||||
}
|
||||
|
||||
// Write writes to a file handle.
|
||||
func (f *win32File) Write(b []byte) (int, error) {
|
||||
c, err := f.prepareIo()
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
defer f.wg.Done()
|
||||
|
||||
if f.writeDeadline.timedout.isSet() {
|
||||
return 0, ErrTimeout
|
||||
}
|
||||
|
||||
var bytes uint32
|
||||
err = syscall.WriteFile(f.handle, b, &bytes, &c.o)
|
||||
n, err := f.asyncIo(c, &f.writeDeadline, bytes, err)
|
||||
runtime.KeepAlive(b)
|
||||
return n, err
|
||||
}
|
||||
|
||||
func (f *win32File) SetReadDeadline(deadline time.Time) error {
|
||||
return f.readDeadline.set(deadline)
|
||||
}
|
||||
|
||||
func (f *win32File) SetWriteDeadline(deadline time.Time) error {
|
||||
return f.writeDeadline.set(deadline)
|
||||
}
|
||||
|
||||
func (f *win32File) Flush() error {
|
||||
return syscall.FlushFileBuffers(f.handle)
|
||||
}
|
||||
|
||||
func (f *win32File) Fd() uintptr {
|
||||
return uintptr(f.handle)
|
||||
}
|
||||
|
||||
func (d *deadlineHandler) set(deadline time.Time) error {
|
||||
d.setLock.Lock()
|
||||
defer d.setLock.Unlock()
|
||||
|
||||
if d.timer != nil {
|
||||
if !d.timer.Stop() {
|
||||
<-d.channel
|
||||
}
|
||||
d.timer = nil
|
||||
}
|
||||
d.timedout.setFalse()
|
||||
|
||||
select {
|
||||
case <-d.channel:
|
||||
d.channelLock.Lock()
|
||||
d.channel = make(chan struct{})
|
||||
d.channelLock.Unlock()
|
||||
default:
|
||||
}
|
||||
|
||||
if deadline.IsZero() {
|
||||
return nil
|
||||
}
|
||||
|
||||
timeoutIO := func() {
|
||||
d.timedout.setTrue()
|
||||
close(d.channel)
|
||||
}
|
||||
|
||||
now := time.Now()
|
||||
duration := deadline.Sub(now)
|
||||
if deadline.After(now) {
|
||||
// Deadline is in the future, set a timer to wait
|
||||
d.timer = time.AfterFunc(duration, timeoutIO)
|
||||
} else {
|
||||
// Deadline is in the past. Cancel all pending IO now.
|
||||
timeoutIO()
|
||||
}
|
||||
return nil
|
||||
}
|
9
ipc/winpipe/mksyscall.go
Normal file
9
ipc/winpipe/mksyscall.go
Normal file
@ -0,0 +1,9 @@
|
||||
/* SPDX-License-Identifier: MIT
|
||||
*
|
||||
* Copyright (C) 2005 Microsoft
|
||||
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
|
||||
*/
|
||||
|
||||
package winpipe
|
||||
|
||||
//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go pipe.go sd.go file.go
|
516
ipc/winpipe/pipe.go
Normal file
516
ipc/winpipe/pipe.go
Normal file
@ -0,0 +1,516 @@
|
||||
// +build windows
|
||||
|
||||
/* SPDX-License-Identifier: MIT
|
||||
*
|
||||
* Copyright (C) 2005 Microsoft
|
||||
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
|
||||
*/
|
||||
|
||||
package winpipe
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"os"
|
||||
"runtime"
|
||||
"syscall"
|
||||
"time"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
//sys connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) = ConnectNamedPipe
|
||||
//sys createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = CreateNamedPipeW
|
||||
//sys createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = CreateFileW
|
||||
//sys getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) = GetNamedPipeInfo
|
||||
//sys getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
|
||||
//sys localAlloc(uFlags uint32, length uint32) (ptr uintptr) = LocalAlloc
|
||||
//sys ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) = ntdll.NtCreateNamedPipeFile
|
||||
//sys rtlNtStatusToDosError(status ntstatus) (winerr error) = ntdll.RtlNtStatusToDosErrorNoTeb
|
||||
//sys rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) = ntdll.RtlDosPathNameToNtPathName_U
|
||||
//sys rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) = ntdll.RtlDefaultNpAcl
|
||||
|
||||
type ioStatusBlock struct {
|
||||
Status, Information uintptr
|
||||
}
|
||||
|
||||
type objectAttributes struct {
|
||||
Length uintptr
|
||||
RootDirectory uintptr
|
||||
ObjectName *unicodeString
|
||||
Attributes uintptr
|
||||
SecurityDescriptor *securityDescriptor
|
||||
SecurityQoS uintptr
|
||||
}
|
||||
|
||||
type unicodeString struct {
|
||||
Length uint16
|
||||
MaximumLength uint16
|
||||
Buffer uintptr
|
||||
}
|
||||
|
||||
type securityDescriptor struct {
|
||||
Revision byte
|
||||
Sbz1 byte
|
||||
Control uint16
|
||||
Owner uintptr
|
||||
Group uintptr
|
||||
Sacl uintptr
|
||||
Dacl uintptr
|
||||
}
|
||||
|
||||
type ntstatus int32
|
||||
|
||||
func (status ntstatus) Err() error {
|
||||
if status >= 0 {
|
||||
return nil
|
||||
}
|
||||
return rtlNtStatusToDosError(status)
|
||||
}
|
||||
|
||||
const (
|
||||
cERROR_PIPE_BUSY = syscall.Errno(231)
|
||||
cERROR_NO_DATA = syscall.Errno(232)
|
||||
cERROR_PIPE_CONNECTED = syscall.Errno(535)
|
||||
cERROR_SEM_TIMEOUT = syscall.Errno(121)
|
||||
|
||||
cSECURITY_SQOS_PRESENT = 0x100000
|
||||
cSECURITY_ANONYMOUS = 0
|
||||
|
||||
cPIPE_TYPE_MESSAGE = 4
|
||||
|
||||
cPIPE_READMODE_MESSAGE = 2
|
||||
|
||||
cFILE_OPEN = 1
|
||||
cFILE_CREATE = 2
|
||||
|
||||
cFILE_PIPE_MESSAGE_TYPE = 1
|
||||
cFILE_PIPE_REJECT_REMOTE_CLIENTS = 2
|
||||
|
||||
cSE_DACL_PRESENT = 4
|
||||
)
|
||||
|
||||
var (
|
||||
// ErrPipeListenerClosed is returned for pipe operations on listeners that have been closed.
|
||||
// This error should match net.errClosing since docker takes a dependency on its text.
|
||||
ErrPipeListenerClosed = errors.New("use of closed network connection")
|
||||
|
||||
errPipeWriteClosed = errors.New("pipe has been closed for write")
|
||||
)
|
||||
|
||||
type win32Pipe struct {
|
||||
*win32File
|
||||
path string
|
||||
}
|
||||
|
||||
type win32MessageBytePipe struct {
|
||||
win32Pipe
|
||||
writeClosed bool
|
||||
readEOF bool
|
||||
}
|
||||
|
||||
type pipeAddress string
|
||||
|
||||
func (f *win32Pipe) LocalAddr() net.Addr {
|
||||
return pipeAddress(f.path)
|
||||
}
|
||||
|
||||
func (f *win32Pipe) RemoteAddr() net.Addr {
|
||||
return pipeAddress(f.path)
|
||||
}
|
||||
|
||||
func (f *win32Pipe) SetDeadline(t time.Time) error {
|
||||
f.SetReadDeadline(t)
|
||||
f.SetWriteDeadline(t)
|
||||
return nil
|
||||
}
|
||||
|
||||
// CloseWrite closes the write side of a message pipe in byte mode.
|
||||
func (f *win32MessageBytePipe) CloseWrite() error {
|
||||
if f.writeClosed {
|
||||
return errPipeWriteClosed
|
||||
}
|
||||
err := f.win32File.Flush()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = f.win32File.Write(nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
f.writeClosed = true
|
||||
return nil
|
||||
}
|
||||
|
||||
// Write writes bytes to a message pipe in byte mode. Zero-byte writes are ignored, since
|
||||
// they are used to implement CloseWrite().
|
||||
func (f *win32MessageBytePipe) Write(b []byte) (int, error) {
|
||||
if f.writeClosed {
|
||||
return 0, errPipeWriteClosed
|
||||
}
|
||||
if len(b) == 0 {
|
||||
return 0, nil
|
||||
}
|
||||
return f.win32File.Write(b)
|
||||
}
|
||||
|
||||
// Read reads bytes from a message pipe in byte mode. A read of a zero-byte message on a message
|
||||
// mode pipe will return io.EOF, as will all subsequent reads.
|
||||
func (f *win32MessageBytePipe) Read(b []byte) (int, error) {
|
||||
if f.readEOF {
|
||||
return 0, io.EOF
|
||||
}
|
||||
n, err := f.win32File.Read(b)
|
||||
if err == io.EOF {
|
||||
// If this was the result of a zero-byte read, then
|
||||
// it is possible that the read was due to a zero-size
|
||||
// message. Since we are simulating CloseWrite with a
|
||||
// zero-byte message, ensure that all future Read() calls
|
||||
// also return EOF.
|
||||
f.readEOF = true
|
||||
} else if err == syscall.ERROR_MORE_DATA {
|
||||
// ERROR_MORE_DATA indicates that the pipe's read mode is message mode
|
||||
// and the message still has more bytes. Treat this as a success, since
|
||||
// this package presents all named pipes as byte streams.
|
||||
err = nil
|
||||
}
|
||||
return n, err
|
||||
}
|
||||
|
||||
func (s pipeAddress) Network() string {
|
||||
return "pipe"
|
||||
}
|
||||
|
||||
func (s pipeAddress) String() string {
|
||||
return string(s)
|
||||
}
|
||||
|
||||
// tryDialPipe attempts to dial the pipe at `path` until `ctx` cancellation or timeout.
|
||||
func tryDialPipe(ctx context.Context, path *string) (syscall.Handle, error) {
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return syscall.Handle(0), ctx.Err()
|
||||
default:
|
||||
h, err := createFile(*path, syscall.GENERIC_READ|syscall.GENERIC_WRITE, 0, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_OVERLAPPED|cSECURITY_SQOS_PRESENT|cSECURITY_ANONYMOUS, 0)
|
||||
if err == nil {
|
||||
return h, nil
|
||||
}
|
||||
if err != cERROR_PIPE_BUSY {
|
||||
return h, &os.PathError{Err: err, Op: "open", Path: *path}
|
||||
}
|
||||
// Wait 10 msec and try again. This is a rather simplistic
|
||||
// view, as we always try each 10 milliseconds.
|
||||
time.Sleep(time.Millisecond * 10)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// DialPipe connects to a named pipe by path, timing out if the connection
|
||||
// takes longer than the specified duration. If timeout is nil, then we use
|
||||
// a default timeout of 2 seconds. (We do not use WaitNamedPipe.)
|
||||
func DialPipe(path string, timeout *time.Duration) (net.Conn, error) {
|
||||
var absTimeout time.Time
|
||||
if timeout != nil {
|
||||
absTimeout = time.Now().Add(*timeout)
|
||||
} else {
|
||||
absTimeout = time.Now().Add(time.Second * 2)
|
||||
}
|
||||
ctx, _ := context.WithDeadline(context.Background(), absTimeout)
|
||||
conn, err := DialPipeContext(ctx, path)
|
||||
if err == context.DeadlineExceeded {
|
||||
return nil, ErrTimeout
|
||||
}
|
||||
return conn, err
|
||||
}
|
||||
|
||||
// DialPipeContext attempts to connect to a named pipe by `path` until `ctx`
|
||||
// cancellation or timeout.
|
||||
func DialPipeContext(ctx context.Context, path string) (net.Conn, error) {
|
||||
var err error
|
||||
var h syscall.Handle
|
||||
h, err = tryDialPipe(ctx, &path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var flags uint32
|
||||
err = getNamedPipeInfo(h, &flags, nil, nil, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
f, err := makeWin32File(h)
|
||||
if err != nil {
|
||||
syscall.Close(h)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// If the pipe is in message mode, return a message byte pipe, which
|
||||
// supports CloseWrite().
|
||||
if flags&cPIPE_TYPE_MESSAGE != 0 {
|
||||
return &win32MessageBytePipe{
|
||||
win32Pipe: win32Pipe{win32File: f, path: path},
|
||||
}, nil
|
||||
}
|
||||
return &win32Pipe{win32File: f, path: path}, nil
|
||||
}
|
||||
|
||||
type acceptResponse struct {
|
||||
f *win32File
|
||||
err error
|
||||
}
|
||||
|
||||
type win32PipeListener struct {
|
||||
firstHandle syscall.Handle
|
||||
path string
|
||||
config PipeConfig
|
||||
acceptCh chan (chan acceptResponse)
|
||||
closeCh chan int
|
||||
doneCh chan int
|
||||
}
|
||||
|
||||
func makeServerPipeHandle(path string, sd []byte, c *PipeConfig, first bool) (syscall.Handle, error) {
|
||||
path16, err := syscall.UTF16FromString(path)
|
||||
if err != nil {
|
||||
return 0, &os.PathError{Op: "open", Path: path, Err: err}
|
||||
}
|
||||
|
||||
var oa objectAttributes
|
||||
oa.Length = unsafe.Sizeof(oa)
|
||||
|
||||
var ntPath unicodeString
|
||||
if err := rtlDosPathNameToNtPathName(&path16[0], &ntPath, 0, 0).Err(); err != nil {
|
||||
return 0, &os.PathError{Op: "open", Path: path, Err: err}
|
||||
}
|
||||
defer localFree(ntPath.Buffer)
|
||||
oa.ObjectName = &ntPath
|
||||
|
||||
// The security descriptor is only needed for the first pipe.
|
||||
if first {
|
||||
if sd != nil {
|
||||
len := uint32(len(sd))
|
||||
sdb := localAlloc(0, len)
|
||||
defer localFree(sdb)
|
||||
copy((*[0xffff]byte)(unsafe.Pointer(sdb))[:], sd)
|
||||
oa.SecurityDescriptor = (*securityDescriptor)(unsafe.Pointer(sdb))
|
||||
} else {
|
||||
// Construct the default named pipe security descriptor.
|
||||
var dacl uintptr
|
||||
if err := rtlDefaultNpAcl(&dacl).Err(); err != nil {
|
||||
return 0, fmt.Errorf("getting default named pipe ACL: %s", err)
|
||||
}
|
||||
defer localFree(dacl)
|
||||
|
||||
sdb := &securityDescriptor{
|
||||
Revision: 1,
|
||||
Control: cSE_DACL_PRESENT,
|
||||
Dacl: dacl,
|
||||
}
|
||||
oa.SecurityDescriptor = sdb
|
||||
}
|
||||
}
|
||||
|
||||
typ := uint32(cFILE_PIPE_REJECT_REMOTE_CLIENTS)
|
||||
if c.MessageMode {
|
||||
typ |= cFILE_PIPE_MESSAGE_TYPE
|
||||
}
|
||||
|
||||
disposition := uint32(cFILE_OPEN)
|
||||
access := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE | syscall.SYNCHRONIZE)
|
||||
if first {
|
||||
disposition = cFILE_CREATE
|
||||
// By not asking for read or write access, the named pipe file system
|
||||
// will put this pipe into an initially disconnected state, blocking
|
||||
// client connections until the next call with first == false.
|
||||
access = syscall.SYNCHRONIZE
|
||||
}
|
||||
|
||||
timeout := int64(-50 * 10000) // 50ms
|
||||
|
||||
var (
|
||||
h syscall.Handle
|
||||
iosb ioStatusBlock
|
||||
)
|
||||
err = ntCreateNamedPipeFile(&h, access, &oa, &iosb, syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE, disposition, 0, typ, 0, 0, 0xffffffff, uint32(c.InputBufferSize), uint32(c.OutputBufferSize), &timeout).Err()
|
||||
if err != nil {
|
||||
return 0, &os.PathError{Op: "open", Path: path, Err: err}
|
||||
}
|
||||
|
||||
runtime.KeepAlive(ntPath)
|
||||
return h, nil
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) makeServerPipe() (*win32File, error) {
|
||||
h, err := makeServerPipeHandle(l.path, nil, &l.config, false)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
f, err := makeWin32File(h)
|
||||
if err != nil {
|
||||
syscall.Close(h)
|
||||
return nil, err
|
||||
}
|
||||
return f, nil
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) makeConnectedServerPipe() (*win32File, error) {
|
||||
p, err := l.makeServerPipe()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Wait for the client to connect.
|
||||
ch := make(chan error)
|
||||
go func(p *win32File) {
|
||||
ch <- connectPipe(p)
|
||||
}(p)
|
||||
|
||||
select {
|
||||
case err = <-ch:
|
||||
if err != nil {
|
||||
p.Close()
|
||||
p = nil
|
||||
}
|
||||
case <-l.closeCh:
|
||||
// Abort the connect request by closing the handle.
|
||||
p.Close()
|
||||
p = nil
|
||||
err = <-ch
|
||||
if err == nil || err == ErrFileClosed {
|
||||
err = ErrPipeListenerClosed
|
||||
}
|
||||
}
|
||||
return p, err
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) listenerRoutine() {
|
||||
closed := false
|
||||
for !closed {
|
||||
select {
|
||||
case <-l.closeCh:
|
||||
closed = true
|
||||
case responseCh := <-l.acceptCh:
|
||||
var (
|
||||
p *win32File
|
||||
err error
|
||||
)
|
||||
for {
|
||||
p, err = l.makeConnectedServerPipe()
|
||||
// If the connection was immediately closed by the client, try
|
||||
// again.
|
||||
if err != cERROR_NO_DATA {
|
||||
break
|
||||
}
|
||||
}
|
||||
responseCh <- acceptResponse{p, err}
|
||||
closed = err == ErrPipeListenerClosed
|
||||
}
|
||||
}
|
||||
syscall.Close(l.firstHandle)
|
||||
l.firstHandle = 0
|
||||
// Notify Close() and Accept() callers that the handle has been closed.
|
||||
close(l.doneCh)
|
||||
}
|
||||
|
||||
// PipeConfig contain configuration for the pipe listener.
|
||||
type PipeConfig struct {
|
||||
// SecurityDescriptor contains a Windows security descriptor in SDDL format.
|
||||
SecurityDescriptor string
|
||||
|
||||
// MessageMode determines whether the pipe is in byte or message mode. In either
|
||||
// case the pipe is read in byte mode by default. The only practical difference in
|
||||
// this implementation is that CloseWrite() is only supported for message mode pipes;
|
||||
// CloseWrite() is implemented as a zero-byte write, but zero-byte writes are only
|
||||
// transferred to the reader (and returned as io.EOF in this implementation)
|
||||
// when the pipe is in message mode.
|
||||
MessageMode bool
|
||||
|
||||
// InputBufferSize specifies the size the input buffer, in bytes.
|
||||
InputBufferSize int32
|
||||
|
||||
// OutputBufferSize specifies the size the input buffer, in bytes.
|
||||
OutputBufferSize int32
|
||||
}
|
||||
|
||||
// ListenPipe creates a listener on a Windows named pipe path, e.g. \\.\pipe\mypipe.
|
||||
// The pipe must not already exist.
|
||||
func ListenPipe(path string, c *PipeConfig) (net.Listener, error) {
|
||||
var (
|
||||
sd []byte
|
||||
err error
|
||||
)
|
||||
if c == nil {
|
||||
c = &PipeConfig{}
|
||||
}
|
||||
if c.SecurityDescriptor != "" {
|
||||
sd, err = SddlToSecurityDescriptor(c.SecurityDescriptor)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
h, err := makeServerPipeHandle(path, sd, c, true)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
l := &win32PipeListener{
|
||||
firstHandle: h,
|
||||
path: path,
|
||||
config: *c,
|
||||
acceptCh: make(chan (chan acceptResponse)),
|
||||
closeCh: make(chan int),
|
||||
doneCh: make(chan int),
|
||||
}
|
||||
go l.listenerRoutine()
|
||||
return l, nil
|
||||
}
|
||||
|
||||
func connectPipe(p *win32File) error {
|
||||
c, err := p.prepareIo()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer p.wg.Done()
|
||||
|
||||
err = connectNamedPipe(p.handle, &c.o)
|
||||
_, err = p.asyncIo(c, nil, 0, err)
|
||||
if err != nil && err != cERROR_PIPE_CONNECTED {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) Accept() (net.Conn, error) {
|
||||
ch := make(chan acceptResponse)
|
||||
select {
|
||||
case l.acceptCh <- ch:
|
||||
response := <-ch
|
||||
err := response.err
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if l.config.MessageMode {
|
||||
return &win32MessageBytePipe{
|
||||
win32Pipe: win32Pipe{win32File: response.f, path: l.path},
|
||||
}, nil
|
||||
}
|
||||
return &win32Pipe{win32File: response.f, path: l.path}, nil
|
||||
case <-l.doneCh:
|
||||
return nil, ErrPipeListenerClosed
|
||||
}
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) Close() error {
|
||||
select {
|
||||
case l.closeCh <- 1:
|
||||
<-l.doneCh
|
||||
case <-l.doneCh:
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *win32PipeListener) Addr() net.Addr {
|
||||
return pipeAddress(l.path)
|
||||
}
|
29
ipc/winpipe/sd.go
Normal file
29
ipc/winpipe/sd.go
Normal file
@ -0,0 +1,29 @@
|
||||
// +build windows
|
||||
|
||||
/* SPDX-License-Identifier: MIT
|
||||
*
|
||||
* Copyright (C) 2005 Microsoft
|
||||
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
|
||||
*/
|
||||
|
||||
package winpipe
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
//sys convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd *uintptr, size *uint32) (err error) = advapi32.ConvertStringSecurityDescriptorToSecurityDescriptorW
|
||||
//sys localFree(mem uintptr) = LocalFree
|
||||
//sys getSecurityDescriptorLength(sd uintptr) (len uint32) = advapi32.GetSecurityDescriptorLength
|
||||
|
||||
func SddlToSecurityDescriptor(sddl string) ([]byte, error) {
|
||||
var sdBuffer uintptr
|
||||
err := convertStringSecurityDescriptorToSecurityDescriptor(sddl, 1, &sdBuffer, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer localFree(sdBuffer)
|
||||
sd := make([]byte, getSecurityDescriptorLength(sdBuffer))
|
||||
copy(sd, (*[0xffff]byte)(unsafe.Pointer(sdBuffer))[:len(sd)])
|
||||
return sd, nil
|
||||
}
|
274
ipc/winpipe/zsyscall_windows.go
Normal file
274
ipc/winpipe/zsyscall_windows.go
Normal file
@ -0,0 +1,274 @@
|
||||
// Code generated by 'go generate'; DO NOT EDIT.
|
||||
|
||||
package winpipe
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
|
||||
"golang.org/x/sys/windows"
|
||||
)
|
||||
|
||||
var _ unsafe.Pointer
|
||||
|
||||
// Do the interface allocations only once for common
|
||||
// Errno values.
|
||||
const (
|
||||
errnoERROR_IO_PENDING = 997
|
||||
)
|
||||
|
||||
var (
|
||||
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
|
||||
)
|
||||
|
||||
// errnoErr returns common boxed Errno values, to prevent
|
||||
// allocations at runtime.
|
||||
func errnoErr(e syscall.Errno) error {
|
||||
switch e {
|
||||
case 0:
|
||||
return nil
|
||||
case errnoERROR_IO_PENDING:
|
||||
return errERROR_IO_PENDING
|
||||
}
|
||||
// TODO: add more here, after collecting data on the common
|
||||
// error values see on Windows. (perhaps when running
|
||||
// all.bat?)
|
||||
return e
|
||||
}
|
||||
|
||||
var (
|
||||
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
|
||||
modntdll = windows.NewLazySystemDLL("ntdll.dll")
|
||||
modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
|
||||
modws2_32 = windows.NewLazySystemDLL("ws2_32.dll")
|
||||
|
||||
procConnectNamedPipe = modkernel32.NewProc("ConnectNamedPipe")
|
||||
procCreateNamedPipeW = modkernel32.NewProc("CreateNamedPipeW")
|
||||
procCreateFileW = modkernel32.NewProc("CreateFileW")
|
||||
procGetNamedPipeInfo = modkernel32.NewProc("GetNamedPipeInfo")
|
||||
procGetNamedPipeHandleStateW = modkernel32.NewProc("GetNamedPipeHandleStateW")
|
||||
procLocalAlloc = modkernel32.NewProc("LocalAlloc")
|
||||
procNtCreateNamedPipeFile = modntdll.NewProc("NtCreateNamedPipeFile")
|
||||
procRtlNtStatusToDosErrorNoTeb = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
|
||||
procRtlDosPathNameToNtPathName_U = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
|
||||
procRtlDefaultNpAcl = modntdll.NewProc("RtlDefaultNpAcl")
|
||||
procConvertStringSecurityDescriptorToSecurityDescriptorW = modadvapi32.NewProc("ConvertStringSecurityDescriptorToSecurityDescriptorW")
|
||||
procLocalFree = modkernel32.NewProc("LocalFree")
|
||||
procGetSecurityDescriptorLength = modadvapi32.NewProc("GetSecurityDescriptorLength")
|
||||
procCancelIoEx = modkernel32.NewProc("CancelIoEx")
|
||||
procCreateIoCompletionPort = modkernel32.NewProc("CreateIoCompletionPort")
|
||||
procGetQueuedCompletionStatus = modkernel32.NewProc("GetQueuedCompletionStatus")
|
||||
procSetFileCompletionNotificationModes = modkernel32.NewProc("SetFileCompletionNotificationModes")
|
||||
procWSAGetOverlappedResult = modws2_32.NewProc("WSAGetOverlappedResult")
|
||||
)
|
||||
|
||||
func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
|
||||
r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
|
||||
var _p0 *uint16
|
||||
_p0, err = syscall.UTF16PtrFromString(name)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
|
||||
}
|
||||
|
||||
func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
|
||||
r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
|
||||
handle = syscall.Handle(r0)
|
||||
if handle == syscall.InvalidHandle {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
|
||||
var _p0 *uint16
|
||||
_p0, err = syscall.UTF16PtrFromString(name)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
|
||||
}
|
||||
|
||||
func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
|
||||
r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
|
||||
handle = syscall.Handle(r0)
|
||||
if handle == syscall.InvalidHandle {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
|
||||
r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
|
||||
r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
|
||||
r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
|
||||
ptr = uintptr(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) {
|
||||
r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
|
||||
status = ntstatus(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func rtlNtStatusToDosError(status ntstatus) (winerr error) {
|
||||
r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
|
||||
if r0 != 0 {
|
||||
winerr = syscall.Errno(r0)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) {
|
||||
r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
|
||||
status = ntstatus(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) {
|
||||
r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
|
||||
status = ntstatus(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd *uintptr, size *uint32) (err error) {
|
||||
var _p0 *uint16
|
||||
_p0, err = syscall.UTF16PtrFromString(str)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
return _convertStringSecurityDescriptorToSecurityDescriptor(_p0, revision, sd, size)
|
||||
}
|
||||
|
||||
func _convertStringSecurityDescriptorToSecurityDescriptor(str *uint16, revision uint32, sd *uintptr, size *uint32) (err error) {
|
||||
r1, _, e1 := syscall.Syscall6(procConvertStringSecurityDescriptorToSecurityDescriptorW.Addr(), 4, uintptr(unsafe.Pointer(str)), uintptr(revision), uintptr(unsafe.Pointer(sd)), uintptr(unsafe.Pointer(size)), 0, 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func localFree(mem uintptr) {
|
||||
syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
|
||||
return
|
||||
}
|
||||
|
||||
func getSecurityDescriptorLength(sd uintptr) (len uint32) {
|
||||
r0, _, _ := syscall.Syscall(procGetSecurityDescriptorLength.Addr(), 1, uintptr(sd), 0, 0)
|
||||
len = uint32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
|
||||
r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
|
||||
r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
|
||||
newport = syscall.Handle(r0)
|
||||
if newport == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
|
||||
r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
|
||||
r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
|
||||
var _p0 uint32
|
||||
if wait {
|
||||
_p0 = 1
|
||||
} else {
|
||||
_p0 = 0
|
||||
}
|
||||
r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
Loading…
Reference in New Issue
Block a user