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transport: Pass status word interpreter to exception handler

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Prior to this patch, any SwMatchError raised within the 'transport'
would not be interpreted.

EXCEPTION of type 'SwMatchError' occurred with message: 'SW match failed! Expected 9000 and got 6982.'

vs (now)

EXCEPTION of type 'SwMatchError' occurred with message: 'SW match failed! Expected 9000 and got 6982: Command not allowed - Security status not satisfied'

Change-Id: I08b7f2b6bd422f7f2f36094bc8a29b187ff882a6
This commit is contained in:
Harald Welte
2021-04-03 11:48:22 +02:00
parent be9516f157
commit 4f2c546613
2 changed files with 9 additions and 1 deletions
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8
pySim/transport/__init__.py
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@@ -28,6 +28,12 @@ from pySim.utils import sw_match
class LinkBase(object):
"""Base class for link/transport to card."""
sw_interpreter = None
def set_sw_interpreter(self, interp):
"""Set an (optional) status word interpreter."""
self.sw_interpreter = interp
def wait_for_card(self, timeout:int=None, newcardonly:bool=False):
"""Wait for a card and connect to it
@@ -103,7 +109,7 @@ class LinkBase(object):
rv = self.send_apdu(pdu)
if not sw_match(rv[1], sw):
raise SwMatchError(rv[1], sw.lower())
raise SwMatchError(rv[1], sw.lower(), self.sw_interpreter)
return rv
def init_reader(opts) -> Optional[LinkBase]: