Function OpenRoot

internal/safepaths/root.go:27–56

OpenRoot opens an existing directory as a rooted filesystem.

(path string)

// OpenRoot opens an existing directory as a rooted filesystem.
func OpenRoot(path string) (*Root, error) {
	absolute, err := ParseAbsolute(path)
	if err != nil {
		return nil, err
	}

	root, err := os.OpenRoot(absolute.String())
	if err != nil {
		return nil, err
	}

	return &Root{
		root: root,
		openRoot: func(root *os.Root, name string) (*os.Root, error) {
			return root.OpenRoot(name)
		},
		openFile: func(root *os.Root, name string, flag int, perm os.FileMode) (*os.File, error) {
			return root.OpenFile(name, flag, perm)
		},
		lstat: func(root *os.Root, name string) (os.FileInfo, error) {
			return root.Lstat(name)
		},
		readlink: func(root *os.Root, name string) (string, error) {
			return root.Readlink(name)
		},
		stat: func(root *os.Root, name string) (os.FileInfo, error) {
			return root.Stat(name)
		},
	}, nil
}

// OpenRootDir creates and opens a user-selected directory as a rooted filesystem.
// The selected path may contain symbolic links; child paths beneath the opened