go.mod: Bump go-winio to v0.6.0
Some minor improvements, but biggest for here is ErrPipeListenerClosed is no longer an errors.New where the string matches the text of the now exported net.ErrClosed in the stdlib, but is just assigned to net.ErrClosed directly. This should allow us to get rid of the string check for "use of closed network connection" here now.. Signed-off-by: Daniel Canter <dcanter@microsoft.com>
This commit is contained in:
48
vendor/github.com/Microsoft/go-winio/backup.go
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vendored
48
vendor/github.com/Microsoft/go-winio/backup.go
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vendored
@@ -1,3 +1,4 @@
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//go:build windows
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// +build windows
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package winio
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@@ -7,11 +8,12 @@ import (
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"runtime"
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"syscall"
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"unicode/utf16"
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"golang.org/x/sys/windows"
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)
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//sys backupRead(h syscall.Handle, b []byte, bytesRead *uint32, abort bool, processSecurity bool, context *uintptr) (err error) = BackupRead
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@@ -24,7 +26,7 @@ const (
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BackupAlternateData
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BackupLink
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BackupPropertyData
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BackupObjectId
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BackupObjectId //revive:disable-line:var-naming ID, not Id
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BackupReparseData
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BackupSparseBlock
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BackupTxfsData
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@@ -34,14 +36,16 @@ const (
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StreamSparseAttributes = uint32(8)
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)
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//nolint:revive // var-naming: ALL_CAPS
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const (
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WRITE_DAC = 0x40000
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WRITE_OWNER = 0x80000
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ACCESS_SYSTEM_SECURITY = 0x1000000
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WRITE_DAC = windows.WRITE_DAC
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WRITE_OWNER = windows.WRITE_OWNER
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ACCESS_SYSTEM_SECURITY = windows.ACCESS_SYSTEM_SECURITY
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)
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// BackupHeader represents a backup stream of a file.
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type BackupHeader struct {
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//revive:disable-next-line:var-naming ID, not Id
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Id uint32 // The backup stream ID
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Attributes uint32 // Stream attributes
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Size int64 // The size of the stream in bytes
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@@ -49,8 +53,8 @@ type BackupHeader struct {
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Offset int64 // The offset of the stream in the file (for BackupSparseBlock only).
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}
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type win32StreamId struct {
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StreamId uint32
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type win32StreamID struct {
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StreamID uint32
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Attributes uint32
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Size uint64
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NameSize uint32
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@@ -71,7 +75,7 @@ func NewBackupStreamReader(r io.Reader) *BackupStreamReader {
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// Next returns the next backup stream and prepares for calls to Read(). It skips the remainder of the current stream if
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// it was not completely read.
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func (r *BackupStreamReader) Next() (*BackupHeader, error) {
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if r.bytesLeft > 0 {
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if r.bytesLeft > 0 { //nolint:nestif // todo: flatten this
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if s, ok := r.r.(io.Seeker); ok {
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// Make sure Seek on io.SeekCurrent sometimes succeeds
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// before trying the actual seek.
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@@ -82,16 +86,16 @@ func (r *BackupStreamReader) Next() (*BackupHeader, error) {
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r.bytesLeft = 0
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}
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}
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if _, err := io.Copy(ioutil.Discard, r); err != nil {
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if _, err := io.Copy(io.Discard, r); err != nil {
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return nil, err
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}
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}
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var wsi win32StreamId
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var wsi win32StreamID
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if err := binary.Read(r.r, binary.LittleEndian, &wsi); err != nil {
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return nil, err
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}
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hdr := &BackupHeader{
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Id: wsi.StreamId,
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Id: wsi.StreamID,
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Attributes: wsi.Attributes,
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Size: int64(wsi.Size),
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}
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@@ -102,7 +106,7 @@ func (r *BackupStreamReader) Next() (*BackupHeader, error) {
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}
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hdr.Name = syscall.UTF16ToString(name)
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}
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if wsi.StreamId == BackupSparseBlock {
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if wsi.StreamID == BackupSparseBlock {
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if err := binary.Read(r.r, binary.LittleEndian, &hdr.Offset); err != nil {
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return nil, err
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}
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@@ -147,8 +151,8 @@ func (w *BackupStreamWriter) WriteHeader(hdr *BackupHeader) error {
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return fmt.Errorf("missing %d bytes", w.bytesLeft)
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}
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name := utf16.Encode([]rune(hdr.Name))
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wsi := win32StreamId{
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StreamId: hdr.Id,
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wsi := win32StreamID{
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StreamID: hdr.Id,
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Attributes: hdr.Attributes,
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Size: uint64(hdr.Size),
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NameSize: uint32(len(name) * 2),
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@@ -203,7 +207,7 @@ func (r *BackupFileReader) Read(b []byte) (int, error) {
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var bytesRead uint32
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err := backupRead(syscall.Handle(r.f.Fd()), b, &bytesRead, false, r.includeSecurity, &r.ctx)
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if err != nil {
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return 0, &os.PathError{"BackupRead", r.f.Name(), err}
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return 0, &os.PathError{Op: "BackupRead", Path: r.f.Name(), Err: err}
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}
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runtime.KeepAlive(r.f)
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if bytesRead == 0 {
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@@ -216,7 +220,7 @@ func (r *BackupFileReader) Read(b []byte) (int, error) {
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// the underlying file.
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func (r *BackupFileReader) Close() error {
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if r.ctx != 0 {
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backupRead(syscall.Handle(r.f.Fd()), nil, nil, true, false, &r.ctx)
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_ = backupRead(syscall.Handle(r.f.Fd()), nil, nil, true, false, &r.ctx)
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runtime.KeepAlive(r.f)
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r.ctx = 0
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}
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@@ -242,7 +246,7 @@ func (w *BackupFileWriter) Write(b []byte) (int, error) {
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var bytesWritten uint32
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err := backupWrite(syscall.Handle(w.f.Fd()), b, &bytesWritten, false, w.includeSecurity, &w.ctx)
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if err != nil {
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return 0, &os.PathError{"BackupWrite", w.f.Name(), err}
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return 0, &os.PathError{Op: "BackupWrite", Path: w.f.Name(), Err: err}
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}
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runtime.KeepAlive(w.f)
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if int(bytesWritten) != len(b) {
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@@ -255,7 +259,7 @@ func (w *BackupFileWriter) Write(b []byte) (int, error) {
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// close the underlying file.
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func (w *BackupFileWriter) Close() error {
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if w.ctx != 0 {
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backupWrite(syscall.Handle(w.f.Fd()), nil, nil, true, false, &w.ctx)
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_ = backupWrite(syscall.Handle(w.f.Fd()), nil, nil, true, false, &w.ctx)
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runtime.KeepAlive(w.f)
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w.ctx = 0
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}
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@@ -271,7 +275,13 @@ func OpenForBackup(path string, access uint32, share uint32, createmode uint32)
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if err != nil {
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return nil, err
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}
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h, err := syscall.CreateFile(&winPath[0], access, share, nil, createmode, syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OPEN_REPARSE_POINT, 0)
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h, err := syscall.CreateFile(&winPath[0],
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access,
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share,
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nil,
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createmode,
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syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OPEN_REPARSE_POINT,
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0)
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if err != nil {
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err = &os.PathError{Op: "open", Path: path, Err: err}
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return nil, err
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