pySim-prog.py: add presence/length checks for user-provided SPN
Change-Id: I35fab9a85efda2b83f221a460d31c7d41db582b0
diff --git a/pySim/cards.py b/pySim/cards.py
index faaeca3..022182c 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -613,8 +613,9 @@
data, sw = self._scc.update_binary('00F7', content)
# set Service Provider Name
- content = enc_spn(p['name'], True, True)
- data, sw = self._scc.update_binary('6F46', rpad(content, 32))
+ if p.get('name') is not None:
+ content = enc_spn(p['name'], True, True)
+ data, sw = self._scc.update_binary('6F46', rpad(content, 32))
# write EF.IMSI
data, sw = self._scc.update_binary('6f07', enc_imsi(p['imsi']))