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// 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 kernfs
import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/sentry/context"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
)
type staticSymlink struct {
InodeAttrs
InodeNoopRefCount
InodeSymlink
target string
}
var _ Inode = (*staticSymlink)(nil)
// NewStaticSymlink creates a new symlink file pointing to 'target'.
func NewStaticSymlink(creds *auth.Credentials, ino uint64, perm linux.FileMode, target string) *Dentry {
inode := &staticSymlink{target: target}
inode.Init(creds, ino, linux.ModeSymlink|perm)
d := &Dentry{}
d.Init(inode)
return d
}
func (s *staticSymlink) Readlink(_ context.Context) (string, error) {
return s.target, nil
}
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