[S] Change in pysim[master]: pySim.transport: Add support for generic stdout apdu tracer

laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/38054?usp=email ) Change subject: pySim.transport: Add support for generic stdout apdu tracer ...................................................................... pySim.transport: Add support for generic stdout apdu tracer Any program using argparse_add_reader_args() will get a new long-opt '--apdu-trace' which enables a raw APDU trace to the console. Change-Id: I4bc3d2e023ba360f07f024d7b661a93322f87530 --- M pySim/transport/__init__.py 1 file changed, 11 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/54/38054/1 diff --git a/pySim/transport/__init__.py b/pySim/transport/__init__.py index 97022ce..856e86e 100644 --- a/pySim/transport/__init__.py +++ b/pySim/transport/__init__.py @@ -40,6 +40,12 @@ def trace_response(self, cmd, sw, resp): pass +class StdoutApduTracer(ApduTracer): + """Minimalistic APDU tracer, printing commands to stdout.""" + def trace_response(self, cmd, sw, resp): + print("-> %s %s" % (cmd[:10], cmd[10:])) + print("<- %s: %s" % (sw, resp)) + class ProactiveHandler(abc.ABC): """Abstract base class representing the interface of some code that handles the proactive commands, as returned by the card in responses to the FETCH @@ -239,6 +245,8 @@ PcscSimLink.argparse_add_reader_args(arg_parser) ModemATCommandLink.argparse_add_reader_args(arg_parser) CalypsoSimLink.argparse_add_reader_args(arg_parser) + arg_parser.add_argument('--apdu-trace', action='store_true', + help='Trace the command/response APDUs exchanged with the card') return arg_parser @@ -247,6 +255,9 @@ """ Init card reader driver """ + if opts.apdu_trace and not 'apdu_tracer' in kwargs: + kwargs['apdu_tracer'] = StdoutApduTracer() + if opts.pcsc_dev is not None or opts.pcsc_regex is not None: from pySim.transport.pcsc import PcscSimLink sl = PcscSimLink(opts, **kwargs) -- To view, visit https://gerrit.osmocom.org/c/pysim/+/38054?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I4bc3d2e023ba360f07f024d7b661a93322f87530 Gerrit-Change-Number: 38054 Gerrit-PatchSet: 1 Gerrit-Owner: laforge &lt;laforge(a)osmocom.org&gt;