From 167d6aca365b64c84b2485a70cb43bbf3a4e4f2d Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Sun, 1 Sep 2024 18:44:20 +0200
Subject: [PATCH] pySim.esim.saip: Don't try to generate file contents for
 MF/DF/ADF

only EFs have data content

Change-Id: I02a54a3b2f73a0e9118db87f8b514d1dbf53971f
---
 pySim/esim/saip/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pySim/esim/saip/__init__.py b/pySim/esim/saip/__init__.py
index 51b9d1f1..6962ee8e 100644
--- a/pySim/esim/saip/__init__.py
+++ b/pySim/esim/saip/__init__.py
@@ -441,6 +441,8 @@ class File:
         into the asn.1 encoder.  If optimize is True, it will try to encode only the differences from the
         fillFileContent of the profile template.  Otherwise, the entire file contents will be encoded
         as-is."""
+        if not self.file_type in ['TR', 'LF', 'CY', 'BT']:
+            return []
         if not optimize:
             # simplistic approach: encode the full file, ignoring the template/default
             return [('fillFileContent', self.body)]