smbd: return correct error when trying to create a hardlink to a VSS file

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13688

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/source3/smbd/smb2_trans2.c b/source3/smbd/smb2_trans2.c
index 4bfe9f8044e2314e610a8c8257f455e674256950..b0383b3cc19cc65ca4cf05b6a1c60e3d4fb90abf 100644 (file)
--- a/source3/smbd/smb2_trans2.c
+++ b/source3/smbd/smb2_trans2.c
@@ -3755,6 +3755,11 @@ NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
                goto out;
        }
 
+       if (smb_fname_old->twrp != 0) {
+               status = NT_STATUS_NOT_SAME_DEVICE;
+               goto out;
+       }
+
        status = parent_pathref(talloc_tos(),
                                conn->cwd_fsp,
                                smb_fname_old,