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Decode READ/UPDATE BINARY SFI vs offset; surface proactive command qualifiers; fix capture stop

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catarrh committed 2026-08-18 23:31:26 +03:00
1 parent 166cf4ed0f
commit 86317d0105
5 files changed
+136 -36
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tests/test_decode.py
+33 -9
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@@ -71,8 +71,9 @@ class TestCatDecoding(unittest.TestCase):
def test_fetch_provide_local_info(self):
r = decode_message(bytes.fromhex(
'801200000BD0098103012600820281829000'))
self.assertEqual(r['cat_command'],
'PROVIDE LOCAL INFORMATION — Location Info (MCC, MNC, LAC/TAC, Cell ID)')
self.assertEqual(r['cat_command'], 'PROVIDE LOCAL INFORMATION')
self.assertEqual(r['cmd']['qualifier'],
'Location Info (MCC, MNC, LAC/TAC, Cell ID)')
def test_envelope_event_download(self):
r = decode_message(bytes.fromhex(
@@ -171,19 +172,21 @@ class TestPliQualifier(unittest.TestCase):
def test_tr_pli_imei(self):
r = decode_message(bytes.fromhex(
'8014000016810301260102028281030106130952F0991EC57A68009F'))
self.assertEqual(r['response_to'], 'PROVIDE LOCAL INFORMATION — IMEI')
self.assertEqual(r['response_to'], 'PROVIDE LOCAL INFORMATION')
self.assertEqual(r['response']['qualifier'], 'IMEI')
def test_fetch_pli_location(self):
r = decode_message(bytes.fromhex(
'801200000BD0098103012600820281829000'))
self.assertEqual(r['cat_command'],
'PROVIDE LOCAL INFORMATION — Location Info (MCC, MNC, LAC/TAC, Cell ID)')
self.assertEqual(r['cat_command'], 'PROVIDE LOCAL INFORMATION')
self.assertEqual(r['cmd']['qualifier'],
'Location Info (MCC, MNC, LAC/TAC, Cell ID)')
def test_fetch_pli_date_time(self):
r = decode_message(bytes.fromhex(
'801200000BD0098103012603820281829000'))
self.assertEqual(r['cat_command'],
'PROVIDE LOCAL INFORMATION — Date, time and time zone')
self.assertEqual(r['cat_command'], 'PROVIDE LOCAL INFORMATION')
self.assertEqual(r['cmd']['qualifier'], 'Date, time and time zone')
def test_non_pli_no_qualifier(self):
r = decode_message(bytes.fromhex(
@@ -1040,6 +1043,27 @@ class TestFileDecoders(unittest.TestCase):
prev={'sel': {'fid': '6f07'}})
self.assertNotIn('file', r)
def test_read_binary_offset_form(self):
# b8 of P1 = 0 → offset = b7..b1 << 8 | P2.
r = decode_message(bytes.fromhex('00b0010000'), prev=None)
self.assertEqual(r['p1p2'], {'value': 0x0100, 'offset': 256})
self.assertIn('Offset: 0x0100', r['summary'])
def test_read_binary_sfi_form(self):
# b8 of P1 = 1 → SFI referencing: SFI = b5..b1, P2 = offset.
r = decode_message(bytes.fromhex('00d68b000b') +
bytes.fromhex('0000000000000000000000') + bytes.fromhex('9000'),
prev=None)
self.assertEqual(r['p1p2'], {'value': 0x8B00, 'sfi': 11, 'offset': 0})
self.assertIn('SFI 11', r['summary'])
self.assertNotIn('offset 0', r['summary'])
def test_read_binary_sfi_offset(self):
# SFI referencing with a non-zero offset (P2 = 5).
r = decode_message(bytes.fromhex('00b08b0500'), prev=None)
self.assertEqual(r['p1p2'], {'value': 0x8B05, 'sfi': 11, 'offset': 5})
self.assertIn('SFI 11, offset 5', r['summary'])
def test_read_via_get_response(self):
iccid = bytes.fromhex('98891020000000460012')
gr = bytes.fromhex('00c00000') + bytes([len(iccid)]) + iccid + bytes.fromhex('9000')
@@ -1239,13 +1263,13 @@ class TestRefresh(unittest.TestCase):
def test_uicc_reset(self):
r = decode_message(bytes.fromhex('801200000bd0098103010104820281829000'))
self.assertEqual(r['cat_command'], 'REFRESH')
self.assertEqual(r['cmd']['refresh_mode'], 'UICC Reset')
self.assertEqual(r['cmd']['qualifier'], 'UICC Reset')
self.assertNotIn('file_list', r['cmd'])
self.assertNotIn('aid', r['cmd'])
def test_file_change_notification(self):
r = decode_message(bytes.fromhex('8012000011d00f81030101018202818292046f076f209000'))
self.assertEqual(r['cmd']['refresh_mode'], 'File Change Notification')
self.assertEqual(r['cmd']['qualifier'], 'File Change Notification')
self.assertEqual(r['cmd']['file_list'], ['6F07', '6F20'])