mirror of
https://github.com/openfaas/faasd.git
synced 2025-06-21 11:56:32 +00:00
Migrate to containerd v1.7.0 and update dependencies
* Updates containerd to v1.7.0 and new binary for 32-bit Arm OSes. * Updates Go dependencies - openfaas and external Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
committed by
Alex Ellis
parent
9efd019e86
commit
c41c2cd9fc
223
vendor/github.com/Microsoft/go-winio/backuptar/tar.go
generated
vendored
223
vendor/github.com/Microsoft/go-winio/backuptar/tar.go
generated
vendored
@ -1,3 +1,4 @@
|
||||
//go:build windows
|
||||
// +build windows
|
||||
|
||||
package backuptar
|
||||
@ -7,7 +8,6 @@ import (
|
||||
"encoding/base64"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"path/filepath"
|
||||
"strconv"
|
||||
"strings"
|
||||
@ -18,17 +18,18 @@ import (
|
||||
"golang.org/x/sys/windows"
|
||||
)
|
||||
|
||||
//nolint:deadcode,varcheck // keep unused constants for potential future use
|
||||
const (
|
||||
c_ISUID = 04000 // Set uid
|
||||
c_ISGID = 02000 // Set gid
|
||||
c_ISVTX = 01000 // Save text (sticky bit)
|
||||
c_ISDIR = 040000 // Directory
|
||||
c_ISFIFO = 010000 // FIFO
|
||||
c_ISREG = 0100000 // Regular file
|
||||
c_ISLNK = 0120000 // Symbolic link
|
||||
c_ISBLK = 060000 // Block special file
|
||||
c_ISCHR = 020000 // Character special file
|
||||
c_ISSOCK = 0140000 // Socket
|
||||
cISUID = 0004000 // Set uid
|
||||
cISGID = 0002000 // Set gid
|
||||
cISVTX = 0001000 // Save text (sticky bit)
|
||||
cISDIR = 0040000 // Directory
|
||||
cISFIFO = 0010000 // FIFO
|
||||
cISREG = 0100000 // Regular file
|
||||
cISLNK = 0120000 // Symbolic link
|
||||
cISBLK = 0060000 // Block special file
|
||||
cISCHR = 0020000 // Character special file
|
||||
cISSOCK = 0140000 // Socket
|
||||
)
|
||||
|
||||
const (
|
||||
@ -44,7 +45,7 @@ const (
|
||||
// zeroReader is an io.Reader that always returns 0s.
|
||||
type zeroReader struct{}
|
||||
|
||||
func (zr zeroReader) Read(b []byte) (int, error) {
|
||||
func (zeroReader) Read(b []byte) (int, error) {
|
||||
for i := range b {
|
||||
b[i] = 0
|
||||
}
|
||||
@ -55,7 +56,7 @@ func copySparse(t *tar.Writer, br *winio.BackupStreamReader) error {
|
||||
curOffset := int64(0)
|
||||
for {
|
||||
bhdr, err := br.Next()
|
||||
if err == io.EOF {
|
||||
if err == io.EOF { //nolint:errorlint
|
||||
err = io.ErrUnexpectedEOF
|
||||
}
|
||||
if err != nil {
|
||||
@ -71,8 +72,8 @@ func copySparse(t *tar.Writer, br *winio.BackupStreamReader) error {
|
||||
}
|
||||
// archive/tar does not support writing sparse files
|
||||
// so just write zeroes to catch up to the current offset.
|
||||
if _, err := io.CopyN(t, zeroReader{}, bhdr.Offset-curOffset); err != nil {
|
||||
return fmt.Errorf("seek to offset %d: %s", bhdr.Offset, err)
|
||||
if _, err = io.CopyN(t, zeroReader{}, bhdr.Offset-curOffset); err != nil {
|
||||
return fmt.Errorf("seek to offset %d: %w", bhdr.Offset, err)
|
||||
}
|
||||
if bhdr.Size == 0 {
|
||||
// A sparse block with size = 0 is used to mark the end of the sparse blocks.
|
||||
@ -106,24 +107,84 @@ func BasicInfoHeader(name string, size int64, fileInfo *winio.FileBasicInfo) *ta
|
||||
hdr.PAXRecords[hdrCreationTime] = formatPAXTime(time.Unix(0, fileInfo.CreationTime.Nanoseconds()))
|
||||
|
||||
if (fileInfo.FileAttributes & syscall.FILE_ATTRIBUTE_DIRECTORY) != 0 {
|
||||
hdr.Mode |= c_ISDIR
|
||||
hdr.Mode |= cISDIR
|
||||
hdr.Size = 0
|
||||
hdr.Typeflag = tar.TypeDir
|
||||
}
|
||||
return hdr
|
||||
}
|
||||
|
||||
// SecurityDescriptorFromTarHeader reads the SDDL associated with the header of the current file
|
||||
// from the tar header and returns the security descriptor into a byte slice.
|
||||
func SecurityDescriptorFromTarHeader(hdr *tar.Header) ([]byte, error) {
|
||||
if sdraw, ok := hdr.PAXRecords[hdrRawSecurityDescriptor]; ok {
|
||||
sd, err := base64.StdEncoding.DecodeString(sdraw)
|
||||
if err != nil {
|
||||
// Not returning sd as-is in the error-case, as base64.DecodeString
|
||||
// may return partially decoded data (not nil or empty slice) in case
|
||||
// of a failure: https://github.com/golang/go/blob/go1.17.7/src/encoding/base64/base64.go#L382-L387
|
||||
return nil, err
|
||||
}
|
||||
return sd, nil
|
||||
}
|
||||
// Maintaining old SDDL-based behavior for backward compatibility. All new
|
||||
// tar headers written by this library will have raw binary for the security
|
||||
// descriptor.
|
||||
if sddl, ok := hdr.PAXRecords[hdrSecurityDescriptor]; ok {
|
||||
return winio.SddlToSecurityDescriptor(sddl)
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// ExtendedAttributesFromTarHeader reads the EAs associated with the header of the
|
||||
// current file from the tar header and returns it as a byte slice.
|
||||
func ExtendedAttributesFromTarHeader(hdr *tar.Header) ([]byte, error) {
|
||||
var eas []winio.ExtendedAttribute //nolint:prealloc // len(eas) <= len(hdr.PAXRecords); prealloc is wasteful
|
||||
for k, v := range hdr.PAXRecords {
|
||||
if !strings.HasPrefix(k, hdrEaPrefix) {
|
||||
continue
|
||||
}
|
||||
data, err := base64.StdEncoding.DecodeString(v)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
eas = append(eas, winio.ExtendedAttribute{
|
||||
Name: k[len(hdrEaPrefix):],
|
||||
Value: data,
|
||||
})
|
||||
}
|
||||
var eaData []byte
|
||||
var err error
|
||||
if len(eas) != 0 {
|
||||
eaData, err = winio.EncodeExtendedAttributes(eas)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
return eaData, nil
|
||||
}
|
||||
|
||||
// EncodeReparsePointFromTarHeader reads the ReparsePoint structure from the tar header
|
||||
// and encodes it into a byte slice. The file for which this function is called must be a
|
||||
// symlink.
|
||||
func EncodeReparsePointFromTarHeader(hdr *tar.Header) []byte {
|
||||
_, isMountPoint := hdr.PAXRecords[hdrMountPoint]
|
||||
rp := winio.ReparsePoint{
|
||||
Target: filepath.FromSlash(hdr.Linkname),
|
||||
IsMountPoint: isMountPoint,
|
||||
}
|
||||
return winio.EncodeReparsePoint(&rp)
|
||||
}
|
||||
|
||||
// WriteTarFileFromBackupStream writes a file to a tar writer using data from a Win32 backup stream.
|
||||
//
|
||||
// This encodes Win32 metadata as tar pax vendor extensions starting with MSWINDOWS.
|
||||
//
|
||||
// The additional Win32 metadata is:
|
||||
//
|
||||
// MSWINDOWS.fileattr: The Win32 file attributes, as a decimal value
|
||||
//
|
||||
// MSWINDOWS.rawsd: The Win32 security descriptor, in raw binary format
|
||||
//
|
||||
// MSWINDOWS.mountpoint: If present, this is a mount point and not a symlink, even though the type is '2' (symlink)
|
||||
// - MSWINDOWS.fileattr: The Win32 file attributes, as a decimal value
|
||||
// - MSWINDOWS.rawsd: The Win32 security descriptor, in raw binary format
|
||||
// - MSWINDOWS.mountpoint: If present, this is a mount point and not a symlink, even though the type is '2' (symlink)
|
||||
func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size int64, fileInfo *winio.FileBasicInfo) error {
|
||||
name = filepath.ToSlash(name)
|
||||
hdr := BasicInfoHeader(name, size, fileInfo)
|
||||
@ -146,7 +207,7 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
var dataHdr *winio.BackupHeader
|
||||
for dataHdr == nil {
|
||||
bhdr, err := br.Next()
|
||||
if err == io.EOF {
|
||||
if err == io.EOF { //nolint:errorlint
|
||||
break
|
||||
}
|
||||
if err != nil {
|
||||
@ -154,21 +215,21 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
}
|
||||
switch bhdr.Id {
|
||||
case winio.BackupData:
|
||||
hdr.Mode |= c_ISREG
|
||||
hdr.Mode |= cISREG
|
||||
if !readTwice {
|
||||
dataHdr = bhdr
|
||||
}
|
||||
case winio.BackupSecurity:
|
||||
sd, err := ioutil.ReadAll(br)
|
||||
sd, err := io.ReadAll(br)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
hdr.PAXRecords[hdrRawSecurityDescriptor] = base64.StdEncoding.EncodeToString(sd)
|
||||
|
||||
case winio.BackupReparseData:
|
||||
hdr.Mode |= c_ISLNK
|
||||
hdr.Mode |= cISLNK
|
||||
hdr.Typeflag = tar.TypeSymlink
|
||||
reparseBuffer, err := ioutil.ReadAll(br)
|
||||
reparseBuffer, _ := io.ReadAll(br)
|
||||
rp, err := winio.DecodeReparsePoint(reparseBuffer)
|
||||
if err != nil {
|
||||
return err
|
||||
@ -179,7 +240,7 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
hdr.Linkname = rp.Target
|
||||
|
||||
case winio.BackupEaData:
|
||||
eab, err := ioutil.ReadAll(br)
|
||||
eab, err := io.ReadAll(br)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
@ -213,7 +274,7 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
}
|
||||
for dataHdr == nil {
|
||||
bhdr, err := br.Next()
|
||||
if err == io.EOF {
|
||||
if err == io.EOF { //nolint:errorlint
|
||||
break
|
||||
}
|
||||
if err != nil {
|
||||
@ -248,7 +309,7 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
// range of the file containing the range contents. Finally there is a sparse block stream with
|
||||
// size = 0 and offset = <file size>.
|
||||
|
||||
if dataHdr != nil {
|
||||
if dataHdr != nil { //nolint:nestif // todo: reduce nesting complexity
|
||||
// A data stream was found. Copy the data.
|
||||
// We assume that we will either have a data stream size > 0 XOR have sparse block streams.
|
||||
if dataHdr.Size > 0 || (dataHdr.Attributes&winio.StreamSparseAttributes) == 0 {
|
||||
@ -256,13 +317,13 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
return fmt.Errorf("%s: mismatch between file size %d and header size %d", name, size, dataHdr.Size)
|
||||
}
|
||||
if _, err = io.Copy(t, br); err != nil {
|
||||
return fmt.Errorf("%s: copying contents from data stream: %s", name, err)
|
||||
return fmt.Errorf("%s: copying contents from data stream: %w", name, err)
|
||||
}
|
||||
} else if size > 0 {
|
||||
// As of a recent OS change, BackupRead now returns a data stream for empty sparse files.
|
||||
// These files have no sparse block streams, so skip the copySparse call if file size = 0.
|
||||
if err = copySparse(t, br); err != nil {
|
||||
return fmt.Errorf("%s: copying contents from sparse block stream: %s", name, err)
|
||||
return fmt.Errorf("%s: copying contents from sparse block stream: %w", name, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -272,7 +333,7 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
// been written. In practice, this means that we don't get EA or TXF metadata.
|
||||
for {
|
||||
bhdr, err := br.Next()
|
||||
if err == io.EOF {
|
||||
if err == io.EOF { //nolint:errorlint
|
||||
break
|
||||
}
|
||||
if err != nil {
|
||||
@ -280,35 +341,30 @@ func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size
|
||||
}
|
||||
switch bhdr.Id {
|
||||
case winio.BackupAlternateData:
|
||||
altName := bhdr.Name
|
||||
if strings.HasSuffix(altName, ":$DATA") {
|
||||
altName = altName[:len(altName)-len(":$DATA")]
|
||||
}
|
||||
if (bhdr.Attributes & winio.StreamSparseAttributes) == 0 {
|
||||
hdr = &tar.Header{
|
||||
Format: hdr.Format,
|
||||
Name: name + altName,
|
||||
Mode: hdr.Mode,
|
||||
Typeflag: tar.TypeReg,
|
||||
Size: bhdr.Size,
|
||||
ModTime: hdr.ModTime,
|
||||
AccessTime: hdr.AccessTime,
|
||||
ChangeTime: hdr.ChangeTime,
|
||||
}
|
||||
err = t.WriteHeader(hdr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = io.Copy(t, br)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
} else {
|
||||
if (bhdr.Attributes & winio.StreamSparseAttributes) != 0 {
|
||||
// Unsupported for now, since the size of the alternate stream is not present
|
||||
// in the backup stream until after the data has been read.
|
||||
return fmt.Errorf("%s: tar of sparse alternate data streams is unsupported", name)
|
||||
}
|
||||
altName := strings.TrimSuffix(bhdr.Name, ":$DATA")
|
||||
hdr = &tar.Header{
|
||||
Format: hdr.Format,
|
||||
Name: name + altName,
|
||||
Mode: hdr.Mode,
|
||||
Typeflag: tar.TypeReg,
|
||||
Size: bhdr.Size,
|
||||
ModTime: hdr.ModTime,
|
||||
AccessTime: hdr.AccessTime,
|
||||
ChangeTime: hdr.ChangeTime,
|
||||
}
|
||||
err = t.WriteHeader(hdr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = io.Copy(t, br)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
case winio.BackupEaData, winio.BackupLink, winio.BackupPropertyData, winio.BackupObjectId, winio.BackupTxfsData:
|
||||
// ignore these streams
|
||||
default:
|
||||
@ -350,7 +406,7 @@ func FileInfoFromHeader(hdr *tar.Header) (name string, size int64, fileInfo *win
|
||||
}
|
||||
fileInfo.CreationTime = windows.NsecToFiletime(creationTime.UnixNano())
|
||||
}
|
||||
return
|
||||
return name, size, fileInfo, err
|
||||
}
|
||||
|
||||
// WriteBackupStreamFromTarFile writes a Win32 backup stream from the current tar file. Since this function may process multiple
|
||||
@ -358,21 +414,10 @@ func FileInfoFromHeader(hdr *tar.Header) (name string, size int64, fileInfo *win
|
||||
// tar file that was not processed, or io.EOF is there are no more.
|
||||
func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (*tar.Header, error) {
|
||||
bw := winio.NewBackupStreamWriter(w)
|
||||
var sd []byte
|
||||
var err error
|
||||
// Maintaining old SDDL-based behavior for backward compatibility. All new tar headers written
|
||||
// by this library will have raw binary for the security descriptor.
|
||||
if sddl, ok := hdr.PAXRecords[hdrSecurityDescriptor]; ok {
|
||||
sd, err = winio.SddlToSecurityDescriptor(sddl)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
if sdraw, ok := hdr.PAXRecords[hdrRawSecurityDescriptor]; ok {
|
||||
sd, err = base64.StdEncoding.DecodeString(sdraw)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
sd, err := SecurityDescriptorFromTarHeader(hdr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(sd) != 0 {
|
||||
bhdr := winio.BackupHeader{
|
||||
@ -388,25 +433,12 @@ func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
var eas []winio.ExtendedAttribute
|
||||
for k, v := range hdr.PAXRecords {
|
||||
if !strings.HasPrefix(k, hdrEaPrefix) {
|
||||
continue
|
||||
}
|
||||
data, err := base64.StdEncoding.DecodeString(v)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
eas = append(eas, winio.ExtendedAttribute{
|
||||
Name: k[len(hdrEaPrefix):],
|
||||
Value: data,
|
||||
})
|
||||
|
||||
eadata, err := ExtendedAttributesFromTarHeader(hdr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(eas) != 0 {
|
||||
eadata, err := winio.EncodeExtendedAttributes(eas)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(eadata) != 0 {
|
||||
bhdr := winio.BackupHeader{
|
||||
Id: winio.BackupEaData,
|
||||
Size: int64(len(eadata)),
|
||||
@ -420,13 +452,9 @@ func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
if hdr.Typeflag == tar.TypeSymlink {
|
||||
_, isMountPoint := hdr.PAXRecords[hdrMountPoint]
|
||||
rp := winio.ReparsePoint{
|
||||
Target: filepath.FromSlash(hdr.Linkname),
|
||||
IsMountPoint: isMountPoint,
|
||||
}
|
||||
reparse := winio.EncodeReparsePoint(&rp)
|
||||
reparse := EncodeReparsePointFromTarHeader(hdr)
|
||||
bhdr := winio.BackupHeader{
|
||||
Id: winio.BackupReparseData,
|
||||
Size: int64(len(reparse)),
|
||||
@ -440,6 +468,7 @@ func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
if hdr.Typeflag == tar.TypeReg || hdr.Typeflag == tar.TypeRegA {
|
||||
bhdr := winio.BackupHeader{
|
||||
Id: winio.BackupData,
|
||||
|
Reference in New Issue
Block a user