Commit Graph

12 Commits (8dbf714e962327aad69242ca2634b0c05da341a5)

Author SHA1 Message Date
Harald Welte 75a58d1a87 Add new pySim.ota library, implement SIM OTA crypto
This introduces a hierarchy of classes implementing

* ETS TS 102 225 (general command structure)
* 3GPP TS 31.115 (dialects for SMS-PP)

In this initial patch only the SMS "dialect" is supported,
but it is foreseen that USSD/SMSCB/HTTPS dialects can be
added at a later point.

Change-Id: I193ff4712c8503279c017b4b1324f0c3d38b9f84
2022-09-08 15:45:55 +02:00
Vadim Yanitskiy bdac3f61be Bump minimum required construct version to v2.9.51
With this version I can get all unittests passing:

  python -m unittest discover tests/

We're passing argument 'path' to stream_read_entire(), which was
added in [1] and become available since v2.9.51.

Change-Id: I4223c83570d333ad8d79bc2aa2d8bcc580156cff
Related: [1] bfe71315b027e18e62f00ec4de75043992fd2316 construct.git
Related: OS#5666
2022-09-05 23:15:10 +07:00
Harald Welte 21caf32e3d Introduce APDU/TPDU trace decoder
This introduces a new pySim.apdu module hierarchy, which contains
classes that represent TPDU/APDUs as exchanged between

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
2022-07-23 12:18:57 +02:00
Harald Welte 1a4e9fd163 cmd2: Constrain version to >= 1.3.0 but < 2.0.0
2.0.0 introduces several incompatible changes, see
as well as

As we want to be able to use what distributions ship, let's stay
with 1.x for now.  If piip is used, use 1.5

Change-Id: Iecc953269d5ae9ed9f31b829743c63bdfd29fa61
2021-06-11 23:47:26 +02:00
Robert Falkenberg b07a3e9c87 Add codecs for EF_SPN and GSM strings via construct
This will replace the hand-crafted codec for EF_SPN
by a struct definition using the construct library.
Old encoders are updated and kept for API compatibility
but are not used internally anymore.

New data structures:
* Rpad(Adapter): Right-padded bytestring (0xff, adjustable)
* GsmStringAdapter(Adapter): Codec for "SMS default 7-bit
	coded alphabet as defined int TS 23.038" using
	the gsm0338 library.
* GsmString(n): Convenient wrapper of both above

* utils: update+deprecate old dec_spn(), enc_spn()
* remove refs to deprecated functions

Change-Id: Ia1d3a3835933bac0002b7c52511481dd8094b994
2021-05-10 06:15:39 +02:00
Harald Welte 4ae228afc7 Implement EF.ARR (Access Rule Reference) decoding
The Access Mode (AM) and Security Condition (SC) DOs are incredibly
convoluted, so we need a lot of code to properly decode them.

Change-Id: If4f0725a849d41fd93de327ed00996d8179f2b0e
2021-05-04 13:24:07 +02:00
Martin Hauke 0f1862799f setup: set minimum required versions for contruct and cmd2
* 'String' class renamed to 'PaddedString' in construct v2.9
* 'CommandSet' was introduced with with cmd2 v1.3.0

Change-Id: I170a9e896612086c4b0535cd6d950346897abc3b
2021-04-30 14:43:44 +02:00
Robert Falkenberg bba2bd4348 setup: add (nested) library pySim.transport
* did not install pySim.transport sub-library

Change-Id: Ice026a28c4843121591f3404225c7f6aec4df6c7
2021-04-16 12:43:11 +02:00
Harald Welte e0f9ef1606 integrate 'construct' python library
'construct' is a declarative symmetric encoder/decoder for user
specified binary formats.  It should come in extremely handy in
tools like pySim.

We start the integration by adding transport methods for transceiving
APDUs with built-in encoding of the command data and decoding of the
response data.

Change-Id: Ibf457aa8b9480a8db5979defcfafd67674303f6c
2021-04-11 12:20:29 +02:00
Harald Welte edee155773 add missing comma in list of dependencies
Change-Id: If93d8c67cdfacc1f30307c8cfb38924fb2cbabbe
2021-04-10 18:41:15 +02:00
Harald Welte 0d4e98a2ac pySim-shell: JSONpath support for updating files/records
Change-Id: Iad09b3d878b8b58ad34cb549c80f8a6eb3149faa
2021-04-07 16:45:12 +00:00
Harald Welte 9813dc958b Introduce setuptools support
Add a pyproject.toml and for using setuptools to install
pySim and its upstream dependencies.

Change-Id: I5698f3b29184340db69a156f985aa3c78d9b5674
2021-04-04 10:54:46 +02:00