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sysmoISIM-SJA2: Add support for programming EF.ePDGSelection (ePDG Selection Information)

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If the EF.ePDGSelection is present, it is populated with a single entry with PLMN 1 set
to Home PLMN of USIM, ePDG FQDN format set to Operator Identifier FQDN and ePDG Priority value
set to 1.

Change-Id: I92f3f813afa41ae497ebc0dc2ca73da810f82364
This commit is contained in:
Supreeth Herle
2020-03-24 13:15:37 +01:00
committed by herlesupreeth
parent 3a261d31d5
commit f964df4eb5
2 changed files with 34 additions and 0 deletions
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21
pySim/cards.py
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@@ -284,6 +284,16 @@ class UsimCard(Card):
else:
return (None, sw)
def update_ePDGSelection(self, mcc, mnc):
(res, sw) = self._scc.read_binary(EF_USIM_ADF_map['ePDGSelection'], length=None, offset=0)
if sw == '9000' and (len(mcc) == 0 or len(mnc) == 0):
# Reset contents
# 80 - Tag value
(res, sw) = self._scc.update_binary(EF_USIM_ADF_map['ePDGSelection'], rpad('', len(res)))
elif sw == '9000':
(res, sw) = self._scc.update_binary(EF_USIM_ADF_map['ePDGSelection'], enc_ePDGSelection(res, mcc, mnc))
return sw
def read_ust(self):
(res, sw) = self._scc.read_binary(EF_USIM_ADF_map['UST'])
if sw == '9000':
@@ -1195,6 +1205,17 @@ class SysmoISIMSJA2(UsimCard):
if sw != '9000':
print("Programming ePDGId failed with code %s"%sw)
# update EF.ePDGSelection in ADF.USIM
if self.file_exists(EF_USIM_ADF_map['ePDGSelection']):
if p.get('epdgSelection'):
epdg_plmn = p['epdgSelection']
sw = self.update_ePDGSelection(epdg_plmn[:3], epdg_plmn[3:])
else:
sw = self.update_ePDGSelection("", "")
if sw != '9000':
print("Programming ePDGSelection failed with code %s"%sw)
return