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>
(cherry picked from commit a0ae45be770a13373c148a689b9761f14c4f942c)

diff --git a/source3/smbd/smb2_trans2.c b/source3/smbd/smb2_trans2.c
index f6a3166719e54b4bba0557a2fdd39502132d315c..03639f218db79935e51b94cecc1fec4a9d92f520 100644 (file)
--- a/source3/smbd/smb2_trans2.c
+++ b/source3/smbd/smb2_trans2.c
@@ -3904,6 +3904,11 @@ 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,