Commit Graph

4 Commits

Author SHA1 Message Date
Philipp Maier
37e57e0c45 filesystem: add attribute "leftpad" to class LinFixedEF
In some cases, the specs do not specify an absolute record length.
Instead there may be only a minimum record length specified. The card
vendor may then chose to use larger record length at will. This usually
is no problem since the data is usually written from the left and the
remaining bytes are padded at the end (right side) of the data. However
in some rare cases (EF.MSISDN, see also 3GPP TS 51.011, section 10.5.5)
the data must be written right-aligned towards the physical record
length. This means that the data is padded from the left in this case.

To fix this: Let's add a "leftpad" flag to LinFixedEF, which we set to
true in those corner cases. The code that updates the record in
commands.py must then check this flag and padd the data accordingly.

Change-Id: I241d9fd656f9064a3ebb4e8e01a52b6b030f9923
Related: OS#5714
2023-09-07 14:19:26 +02:00
Philipp Maier
d62182ca43 runtime: make sure applications are always listed in the same order
When we print the profile applications. which are not registered in
EF.DIR, we use python sets to subtract the applications which were part
of EF.DIR and hence already listed. Since we use sets the order may be
arbitrary. This is so far not a problem, since the output is meant to be
read by humans, but as soon as we try to use the output for unit-test
verifications we need a consistent order (sorted)

Related: OS#6094
Change-Id: Ie75613910aaba14c27420c52b6596ab080588273
2023-08-01 15:47:27 +02:00
Philipp Maier
92b9356ed2 runtime: fix lchan deletion in method reset
When we perform a reset while multiple channels are open (this is in
particular the case when parsing real world traces with pySim-trace). To
delete those channels during the reset we iterate over the dictionary
using the keys and delete the channels one by one. However, this must
not be done using the keys as index directly. Python will then throw an
exception: "RuntimeError: dictionary changed size during iteration".

Instead using the keys directly we should cast them into a list and then
using that list for the iteration.

Related: OS#6094
Change-Id: I430ef216cf847ffbde2809f492ee9ed9030343b6
2023-07-21 11:52:10 +02:00
Harald Welte
531894d386 move Runtime{State,Lchan} from pySim.filesystem to new pySim.runtime
Those two are really separate concepts, so let's keep them in separate
source code files.

Change-Id: I9ec54304dd8f4a4cba9487054a8eb8d265c2d340
2023-07-12 22:05:14 +02:00