tstor/pkg/go-nfs/nfs_onpathconf.go
2024-03-28 16:09:42 +03:00

55 lines
1.3 KiB
Go

package nfs
import (
"bytes"
"context"
"github.com/willscott/go-nfs-client/nfs/xdr"
)
// PathNameMax is the maximum length for a file name
const PathNameMax = 255
func onPathConf(ctx context.Context, w *response, userHandle Handler) error {
roothandle, err := xdr.ReadOpaque(w.req.Body)
if err != nil {
return &NFSStatusError{NFSStatusInval, err}
}
fs, path, err := userHandle.FromHandle(roothandle)
if err != nil {
return &NFSStatusError{NFSStatusStale, err}
}
writer := bytes.NewBuffer([]byte{})
if err := xdr.Write(writer, uint32(NFSStatusOk)); err != nil {
return &NFSStatusError{NFSStatusServerFault, err}
}
if err := WritePostOpAttrs(writer, tryStat(ctx, fs, path)); err != nil {
return &NFSStatusError{NFSStatusServerFault, err}
}
type PathConf struct {
LinkMax uint32
NameMax uint32
NoTrunc uint32
ChownRestricted uint32
CaseInsensitive uint32
CasePreserving uint32
}
defaults := PathConf{
LinkMax: 1,
NameMax: PathNameMax,
NoTrunc: 1,
ChownRestricted: 0,
CaseInsensitive: 0,
CasePreserving: 1,
}
if err := xdr.Write(writer, defaults); err != nil {
return &NFSStatusError{NFSStatusServerFault, err}
}
if err := w.Write(writer.Bytes()); err != nil {
return &NFSStatusError{NFSStatusServerFault, err}
}
return nil
}