Change in pysim[master]: cards: Make select_adf_by_aid() use prefix AID selection

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laforge gerrit-no-reply at lists.osmocom.org
Wed Nov 24 17:17:01 UTC 2021


laforge has submitted this change. ( https://gerrit.osmocom.org/c/pysim/+/25873 )

Change subject: cards: Make select_adf_by_aid() use prefix AID selection
......................................................................

cards: Make select_adf_by_aid() use prefix AID selection

There is no need for us to expand a partial AID to the full AID before
selecting that ADF. The UICC specifications permit AID selection by
prefix only. So we could pass the prefix to the card, and the card would
do the prefix matching. In order to avoid problems with cards that fail
to do the prefix matching themselves we will still do the AID
completion, but in case we cannot complete the AID (AID not listed in
EF.DIR), we will try with the AID prefix anyway.

>From the API user point of view, this allows us to select applications
not listed in EF.DIR

Change-Id: I0747b4e46ca7e30bd96d76053765080367ac1317
---
M pySim/cards.py
1 file changed, 3 insertions(+), 0 deletions(-)

Approvals:
  Jenkins Builder: Verified
  osmith: Looks good to me, but someone else must approve
  fixeria: Looks good to me, but someone else must approve
  laforge: Looks good to me, approved



diff --git a/pySim/cards.py b/pySim/cards.py
index a822161..45e44a2 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -308,6 +308,9 @@
 			aid_full = self._complete_aid(aid)
 			if aid_full:
 				return self._scc.select_adf(aid_full)
+			else:
+				# If we cannot get the full AID, try with short AID
+				return self._scc.select_adf(aid)
 		return (None, None)
 
 	def erase_binary(self, ef):

-- 
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Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I0747b4e46ca7e30bd96d76053765080367ac1317
Gerrit-Change-Number: 25873
Gerrit-PatchSet: 12
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Assignee: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-Reviewer: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-MessageType: merged
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