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pySim-shell: JSONpath support for updating files/records

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Change-Id: Iad09b3d878b8b58ad34cb549c80f8a6eb3149faa
This commit is contained in:
Harald Welte
2021-04-07 00:14:40 +02:00
committed by laforge
parent 75487aed90
commit 0d4e98a2ac
6 changed files with 94 additions and 2 deletions
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18
pySim/filesystem.py
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@@ -35,6 +35,7 @@ from typing import cast, Optional, Iterable, List, Any, Dict, Tuple
from pySim.utils import sw_match, h2b, b2h, is_hex
from pySim.exceptions import *
from pySim.jsonpath import js_path_find, js_path_modify
class CardFile(object):
"""Base class for all objects in the smart card filesystem.
@@ -418,10 +419,16 @@ class TransparentEF(CardEF):
upd_bin_dec_parser = argparse.ArgumentParser()
upd_bin_dec_parser.add_argument('data', help='Abstract data (JSON format) to write')
upd_bin_dec_parser.add_argument('--json-path', type=str,
help='JSON path to modify specific element of file only')
@cmd2.with_argparser(upd_bin_dec_parser)
def do_update_binary_decoded(self, opts):
"""Encode + Update (Write) data of a transparent EF"""
data_json = json.loads(opts.data)
if opts.json_path:
(data_json, sw) = self._cmd.rs.read_binary_dec()
js_path_modify(data_json, opts.json_path, json.loads(opts.data))
else:
data_json = json.loads(opts.data)
(data, sw) = self._cmd.rs.update_binary_dec(data_json)
if data:
self._cmd.poutput_json(data)
@@ -574,10 +581,17 @@ class LinFixedEF(CardEF):
upd_rec_dec_parser = argparse.ArgumentParser()
upd_rec_dec_parser.add_argument('record_nr', type=int, help='Number of record to be read')
upd_rec_dec_parser.add_argument('data', help='Data bytes (hex format) to write')
upd_rec_dec_parser.add_argument('--json-path', type=str,
help='JSON path to modify specific element of record only')
@cmd2.with_argparser(upd_rec_dec_parser)
def do_update_record_decoded(self, opts):
"""Encode + Update (write) data to a record-oriented EF"""
(data, sw) = self._cmd.rs.update_record_dec(opts.record_nr, opts.data)
if opts.json_path:
(data_json, sw) = self._cmd.rs.read_record_dec(opts.record_nr)
js_path_modify(data_json, opts.json_path, json.loads(opts.data))
else:
data_json = json.loads(opts.data)
(data, sw) = self._cmd.rs.update_record_dec(opts.record_nr, data_json)
if data:
self._cmd.poutput(data)