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move SW matching to a generic utility function

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This will allow using it outside the transport/__init__.py

Change-Id: Id26dfefa85d91e3b3a23e0049f3b833e29cb1cef
This commit is contained in:
Harald Welte
2021-01-21 14:50:01 +01:00
parent e79cc8069a
commit 67d551a443
2 changed files with 16 additions and 9 deletions
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11
pySim/transport/__init__.py
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@@ -4,6 +4,7 @@
"""
from pySim.exceptions import *
from pySim.utils import sw_match
#
# Copyright (C) 2009-2010 Sylvain Munaut <tnt@246tNt.com>
@@ -93,14 +94,6 @@ class LinkBase(object):
"""
rv = self.send_apdu(pdu)
# Create a masked version of the returned status word
sw_masked = ""
for i in range(0, 4):
if sw.lower()[i] == '?':
sw_masked = sw_masked + '?'
else:
sw_masked = sw_masked + rv[1][i].lower()
if sw.lower() != sw_masked:
if not sw_match(rv[1], sw):
raise SwMatchError(rv[1], sw.lower())
return rv