pySim-trace: add commandline option --show-raw-apdu
The trace log currently only shows the parsed APDU. However, depending
on the problem to investigate it may be required to see the raw APDU
string as well. Let's add an option for this.
Related: OS#6094
Change-Id: I1a3bc54c459e45ed3154479759ceecdc26db9d37
diff --git a/pySim-trace.py b/pySim-trace.py
index d457bf4..453ee43 100755
--- a/pySim-trace.py
+++ b/pySim-trace.py
@@ -83,10 +83,13 @@
# parameters
self.suppress_status = kwargs.get('suppress_status', True)
self.suppress_select = kwargs.get('suppress_select', True)
+ self.show_raw_apdu = kwargs.get('show_raw_apdu', False)
self.source = kwargs.get('source', None)
- def format_capdu(self, inst: ApduCommand):
+ def format_capdu(self, apdu: Apdu, inst: ApduCommand):
"""Output a single decoded + processed ApduCommand."""
+ if self.show_raw_apdu:
+ print(apdu)
print("%02u %-16s %-35s %-8s %s %s" % (inst.lchan_nr, inst._name, inst.path_str, inst.col_id, inst.col_sw, inst.processed))
print("===============================")
@@ -95,7 +98,6 @@
while True:
# obtain the next APDU from the source (blocking read)
apdu = self.source.read()
- #print(apdu)
if isinstance(apdu, CardReset):
self.rs.reset()
@@ -113,7 +115,7 @@
if self.suppress_status and isinstance(inst, UiccStatus):
continue
#print(inst)
- self.format_capdu(inst)
+ self.format_capdu(apdu, inst)
option_parser = argparse.ArgumentParser(description='Osmocom pySim high-level SIM card trace decoder',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
@@ -128,6 +130,9 @@
help="""
Don't suppress displaying STATUS APDUs. We normally suppress them as they don't provide any
information that was not already received in resposne to the most recent SEELCT.""")
+global_group.add_argument('--show-raw-apdu', action='store_true', dest='show_raw_apdu',
+ help="""Show the raw APDU in addition to its parsed form.""")
+
subparsers = option_parser.add_subparsers(help='APDU Source', dest='source', required=True)
@@ -172,7 +177,8 @@
elif opts.source == 'gsmtap-pyshark-pcap':
s = PysharkGsmtapPcap(opts.pcap_file)
- tracer = Tracer(source=s, suppress_status=opts.suppress_status, suppress_select=opts.suppress_select)
+ tracer = Tracer(source=s, suppress_status=opts.suppress_status, suppress_select=opts.suppress_select,
+ show_raw_apdu=opts.show_raw_apdu)
logger.info('Entering main loop...')
tracer.main()