45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package nfs
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
|
|
billy "github.com/go-git/go-billy/v5"
|
|
"github.com/willscott/go-nfs-client/nfs/xdr"
|
|
)
|
|
|
|
func onAccess(ctx context.Context, w *response, userHandle Handler) error {
|
|
w.errorFmt = opAttrErrorFormatter
|
|
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}
|
|
}
|
|
mask, err := xdr.ReadUint32(w.req.Body)
|
|
if err != nil {
|
|
return &NFSStatusError{NFSStatusInval, 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}
|
|
}
|
|
|
|
if !CapabilityCheck(fs, billy.WriteCapability) {
|
|
mask = mask & (1 | 2 | 0x20)
|
|
}
|
|
|
|
if err := xdr.Write(writer, mask); err != nil {
|
|
return &NFSStatusError{NFSStatusServerFault, err}
|
|
}
|
|
if err := w.Write(writer.Bytes()); err != nil {
|
|
return &NFSStatusError{NFSStatusServerFault, err}
|
|
}
|
|
return nil
|
|
}
|