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Add support for ADF_USIM/EF_EHPLMN

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If the EF.EHPLMN exists, it contains the "Equivalent Home PLMN List".
The odd part of that list is that it is not just a list of additional
PLMN identities, but if the first digits of the IMSI are *not* listed
in EF.EHPLMN, then the MCC/MNC of the IMSI prefix is suddently no
longer considered the home network, but the subscriber is roaming.

See TS 23.122: "If the HPLMN code derived from the IMSI is not present
in the EHPLMN list, then it shall be treated as a Visited PLMN for PLMN
selection purposes."

Change-Id: I22d96ab4a424ec5bc1fb02f5e80165c646a748d3
This commit is contained in:
Harald Welte
2020-06-03 15:19:40 +02:00
committed by laforge
parent 3c0bd7a41e
commit ca6739458e
5 changed files with 83 additions and 4 deletions
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11
pySim/commands.py
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@@ -100,6 +100,17 @@ class SimCardCommands(object):
def sel_ctrl(self, value):
self._sel_ctrl = value
def try_select_file(self, dir_list):
rv = []
if type(dir_list) is not list:
dir_list = [dir_list]
for i in dir_list:
data, sw = self._tp.send_apdu(self.cla_byte + "a4" + self.sel_ctrl + "02" + i)
rv.append((data, sw))
if sw != '9000':
return rv
return rv
def select_file(self, dir_list):
rv = []
if type(dir_list) is not list: