python: move method escaped_claim_id from test to samba.sd_utils

This is so that it can be used in other places too without the need to import or extend the test base class

Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

python/samba/sd_utils.py

@@ -28,6 +28,14 @@ from samba.ntstatus import (
 )
 
 
+def escaped_claim_id(claim_id):
+    escapes = '\x00\t\n\x0b\x0c\r !"%&()<=>|'
+    return ''.join(c
+                   if c not in escapes
+                   else f'%{ord(c):04x}'
+                   for c in claim_id)
+
+
 class SDUtils(object):
     """Some utilities for manipulation of security descriptors on objects."""