Files
luet/vendor/github.com/containerd/continuity/fs/copy_windows.go
Ettore Di Giacinto 4c788ccbd1 bump github.com/moby/buildkit to v0.13.0 (#351)
* bump github.com/moby/buildkit to v0.13.0

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* fix: update dep usage based on newer version

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* remove empty line

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* ci: bump golang to 1.21.x

* Bump moby

* debug

---------

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>
Co-authored-by: Nianyu Shen <nianyu@spectrocloud.com>
2024-03-15 09:26:32 +01:00

81 lines
2.1 KiB
Go

/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fs
import (
"errors"
"fmt"
"os"
winio "github.com/Microsoft/go-winio"
"golang.org/x/sys/windows"
)
const (
seTakeOwnershipPrivilege = "SeTakeOwnershipPrivilege"
)
func copyFileInfo(fi os.FileInfo, src, name string) error {
if err := os.Chmod(name, fi.Mode()); err != nil {
return fmt.Errorf("failed to chmod %s: %w", name, err)
}
// Copy file ownership and ACL
// We need SeRestorePrivilege and SeTakeOwnershipPrivilege in order
// to restore security info on a file, especially if we're trying to
// apply security info which includes SIDs not necessarily present on
// the host.
privileges := []string{winio.SeRestorePrivilege, seTakeOwnershipPrivilege}
if err := winio.EnableProcessPrivileges(privileges); err != nil {
return err
}
defer winio.DisableProcessPrivileges(privileges)
secInfo, err := windows.GetNamedSecurityInfo(
src, windows.SE_FILE_OBJECT,
windows.OWNER_SECURITY_INFORMATION|windows.DACL_SECURITY_INFORMATION)
if err != nil {
return err
}
dacl, _, err := secInfo.DACL()
if err != nil {
return err
}
sid, _, err := secInfo.Owner()
if err != nil {
return err
}
if err := windows.SetNamedSecurityInfo(
name, windows.SE_FILE_OBJECT,
windows.OWNER_SECURITY_INFORMATION|windows.DACL_SECURITY_INFORMATION,
sid, nil, dacl, nil); err != nil {
return err
}
return nil
}
func copyXAttrs(dst, src string, excludes map[string]struct{}, errorHandler XAttrErrorHandler) error {
return nil
}
func copyIrregular(dst string, fi os.FileInfo) error {
return errors.New("irregular copy not supported")
}