From 46a7a3fcc22f4ff89b2f81302c5d130cf4745eb2 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Sat, 16 Jul 2022 11:47:47 +0200
Subject: [PATCH] filesystem: keep track of currently selected ADF

As it is possible to select files relative to the currently selected
ADF, we should keep track of that.

Change-Id: I83c93fdcd23b1d3877644ef0bf72d330343fbbc7
---
 pySim/filesystem.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pySim/filesystem.py b/pySim/filesystem.py
index c40eaf8b..813bebb4 100644
--- a/pySim/filesystem.py
+++ b/pySim/filesystem.py
@@ -1253,6 +1253,7 @@ class RuntimeState:
         self.mf = CardMF(profile=profile)
         self.card = card
         self.selected_file = self.mf  # type: CardDF
+        self.selected_adf = None
         self.profile = profile
         self.selected_file_fcp = None
         self.selected_file_fcp_hex = None
@@ -1337,6 +1338,7 @@ class RuntimeState:
         atr = i2h(self.card.reset())
         # select MF to reset internal state and to verify card really works
         self.select('MF', cmd_app)
+        self.selected_adf = None
         return atr
 
     def get_cwd(self) -> CardDF:
@@ -1445,6 +1447,7 @@ class RuntimeState:
             try:
                 if isinstance(p, CardADF):
                     (data, sw) = self.card.select_adf_by_aid(p.aid)
+                    self.selected_adf = p
                 else:
                     (data, sw) = self.card._scc.select_file(p.fid)
                 self.selected_file = p