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Harald Welte laforge at osmocom.orgOn Fri, Jan 08, 2021 at 11:53:51PM +0100, Harald Welte wrote:
> You can see the very first prototype in the laforge/shell branch of pysim.git
Just a quick update: During past weeks I've been on and off spending a
bit of time to bring this idea further along. It's already quite mature
now.
* many bugs have been fixed
* SW1/SW2 are now parsed into human readable strings
* many file specific encoders/decoders added
* return to 'SELECT" command is now parsed into json:
----------------------------------------------------------------------
pySIM-shell (MF)> select ADF.ISIM
{
"file_descriptor": {
"shareable": true,
"file_type": "df",
"structure": "no_info_given"
},
"file_identifier": "FF01",
"df_name": "A0000000871004FFFFFFFF8907090000",
"proprietary_info": {
"uicc_characteristics": "71",
"available_memory": 101640
},
"life_cycle_status_int": "operational_activated"
"security_attrib_compact": "00",
"pin_status_template_do": "900170830101830181830
}
pySIM-shell (MF/ADF.ISIM)> select EF.P-CSCF
{
"file_descriptor": {
"shareable": true,
"file_type": "working_ef",
"structure": "linear_fixed",
"record_len": 0,
"num_of_rec": 0
},
"file_identifier": "6F09",
"proprietary_info": {
"proprietary_D0": "20",
"proprietary_D2": "0F"
},
"life_cycle_status_int": "operational_activated"
"security_attrib_ref_expanded": "6F0603",
"file_size": 1024,
"short_file_id": ""
}
----------------------------------------------------------------------
It's already reached a state where it can be used to perform useful
tasks. Be warned: It's still very early and nothing has been tested
with cards other than sysmoISIM-SJA2 at this point.
I think within the next weeks I'll probably try to clean up the patches
and get the current state merged to master. There's still a lot of work
to be done, including:
* option for storing per-ICCID ADM keys in some config file, so you don't have
to enter them over and over again when frequently changing with the
same cards
* bulk read / write commands to read/write all records within one file
* decide on some general rules on how to strucure the JSON output, such
as including the file path and record number in some metadata?
* automatically pad filss/records with fff to their size as determined
from the card
* ability to select/read/write arbitrary FID, e.g. for non-standard proprietary
files that are not part of the ETSI/3GPP specs
Regards,
Harald
--
- Harald Welte <laforge at osmocom.org> http://laforge.gnumonks.org/
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