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Introduce APDU/TPDU trace decoder

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This introduces a new pySim.apdu module hierarchy, which contains
classes that represent TPDU/APDUs as exchanged between
SIM/UICC/USIM/ISIM card and UE.

It contains instruction level decoders for SELECT, READ BINARY and
friends, and then uses the pySim.filesystem.Runtime{Lchan,State} classes
to keep track of the currently selected EF/DF/ADF for each logical
channel, and uses the file-specific decoder classes of pySim to decode
the actual file content that is being read or written.

This provides a much more meaningful decode of protocol traces than
wireshark will ever be able to give us.

Furthermore, there's the new pySim.apdu_source set of classes which
provides "input plugins" for obtaining APDU traces in a variety of
formats.  So far, GSMTAP UDP live capture and pyshark based RSPRO
live and pcap file reading are imlpemented.

Change-Id: I862d93163d495a294364168f7818641e47b18c0a
Closes: OS#5126
This commit is contained in:
Harald Welte
2022-07-16 14:06:46 +02:00
parent cfa3015bcf
commit 21caf32e3d
15 changed files with 1855 additions and 2 deletions
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README.md
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@@ -45,7 +45,7 @@ Please install the following dependencies:
Example for Debian:
```
apt-get install python3-pyscard python3-serial python3-pip python3-yaml
apt-get install python3-pyscard python3-serial python3-pip python3-yaml python3-termcolor python3-colorlog
pip3 install -r requirements.txt
```