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shell: Add 'reset' command to reset the card

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At some points during an interactive session or a script one may want
to reset the card.

Change-Id: I992eb3e0ed52f7941a5fb44f28a42e22ebd49301
This commit is contained in:
Harald Welte
2021-05-03 23:17:29 +02:00
parent 917d98c1a5
commit daf2b392f0
3 changed files with 24 additions and 1 deletions
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13
pySim/filesystem.py
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@@ -34,7 +34,7 @@ import argparse
from typing import cast, Optional, Iterable, List, Any, Dict, Tuple
from pySim.utils import sw_match, h2b, b2h, is_hex, auto_int, bertlv_parse_one
from pySim.utils import sw_match, h2b, b2h, i2h, is_hex, auto_int, bertlv_parse_one, Hexstr
from pySim.construct import filter_dict
from pySim.exceptions import *
from pySim.jsonpath import js_path_find, js_path_modify
@@ -1020,6 +1020,17 @@ class RuntimeState(object):
print("error: could not determine card applications")
return apps_taken
def reset(self, cmd_app=None) -> Hexstr:
"""Perform physical card reset and obtain ATR.
Args:
cmd_app : Command Application State (for unregistering old file commands)
"""
self.card._scc._tp.reset_card()
atr = i2h(self.card._scc._tp.get_atr())
# select MF to reset internal state and to verify card really works
self.select('MF', cmd_app)
return atr
def get_cwd(self) -> CardDF:
"""Obtain the current working directory.