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pySim-prog.py: add presence/length checks for user-provided SPN

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Change-Id: I35fab9a85efda2b83f221a460d31c7d41db582b0
This commit is contained in:
Supreeth Herle
2020-01-21 13:32:46 +01:00
committed by Vadim Yanitskiy
parent 6af4c21cdf
commit 840a9e2a76
2 changed files with 7 additions and 2 deletions
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4
pySim-prog.py
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@@ -274,6 +274,10 @@ def gen_parameters(opts):
# Digitize MCC/MNC (5 or 6 digits) # Digitize MCC/MNC (5 or 6 digits)
plmn_digits = _mcc_mnc_digits(mcc, mnc) plmn_digits = _mcc_mnc_digits(mcc, mnc)
if opts.name is not None:
if len(opts.name) > 16:
raise ValueError('Service Provider Name must max 16 characters!');
# ICCID (19 digits, E.118), though some phase1 vendors use 20 :( # ICCID (19 digits, E.118), though some phase1 vendors use 20 :(
if opts.iccid is not None: if opts.iccid is not None:
iccid = opts.iccid iccid = opts.iccid

5
pySim/cards.py
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@@ -613,8 +613,9 @@ class SysmoUSIMSJS1(Card):
data, sw = self._scc.update_binary('00F7', content) data, sw = self._scc.update_binary('00F7', content)
# set Service Provider Name # set Service Provider Name
content = enc_spn(p['name'], True, True) if p.get('name') is not None:
data, sw = self._scc.update_binary('6F46', rpad(content, 32)) content = enc_spn(p['name'], True, True)
data, sw = self._scc.update_binary('6F46', rpad(content, 32))
# write EF.IMSI # write EF.IMSI
data, sw = self._scc.update_binary('6f07', enc_imsi(p['imsi'])) data, sw = self._scc.update_binary('6f07', enc_imsi(p['imsi']))