38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
// Copyright 2019 The gVisor 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 tmpfs
|
|
|
|
import (
|
|
"gvisor.dev/gvisor/pkg/abi/linux"
|
|
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
|
|
)
|
|
|
|
type symlink struct {
|
|
inode inode
|
|
target string // immutable
|
|
}
|
|
|
|
func (fs *filesystem) newSymlink(creds *auth.Credentials, target string) *inode {
|
|
link := &symlink{
|
|
target: target,
|
|
}
|
|
link.inode.init(link, fs, creds, linux.S_IFLNK|0777)
|
|
link.inode.nlink = 1 // from parent directory
|
|
return &link.inode
|
|
}
|
|
|
|
// O_PATH is unimplemented, so there's no way to get a FileDescription
|
|
// representing a symlink yet.
|