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Migrate over to using pyosmocom

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We're creating a 'pyosmocom' pypi module which contains a number of core
Osmocom libraries / interfaces that are not specific to SIM card stuff
contained here.

The main modules moved in this initial step are pySim.tlv, pySim.utils
and pySim.construct. utils is split, not all of the contents is
unrelated to SIM Cards.  The other two are moved completely.

Change-Id: I4b63e45bcb0c9ba2424dacf85e0222aee735f411
This commit is contained in:
Harald Welte
2024-08-30 12:07:08 +02:00
parent a437d11135
commit a3962b2076
71 changed files with 157 additions and 2057 deletions
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64
tests/unittests/test_utils.py
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@@ -172,70 +172,6 @@ class DecTestCase(unittest.TestCase):
msisdn_decoded = utils.dec_msisdn("ffffffffffffffffffffffffffffffffffffffff0bb121436587092143658709ffff")
self.assertEqual(msisdn_decoded, (1, 3, "12345678901234567890"))
class TestBerTlv(unittest.TestCase):
def test_BerTlvTagDec(self):
res = utils.bertlv_parse_tag(b'\x01')
self.assertEqual(res, ({'tag':1, 'constructed':False, 'class': 0}, b''))
res = utils.bertlv_parse_tag(b'\x21')
self.assertEqual(res, ({'tag':1, 'constructed':True, 'class': 0}, b''))
res = utils.bertlv_parse_tag(b'\x81\x23')
self.assertEqual(res, ({'tag':1, 'constructed':False, 'class': 2}, b'\x23'))
res = utils.bertlv_parse_tag(b'\x1f\x8f\x00\x23')
self.assertEqual(res, ({'tag':0xf<<7, 'constructed':False, 'class': 0}, b'\x23'))
def test_BerTlvLenDec(self):
self.assertEqual(utils.bertlv_encode_len(1), b'\x01')
self.assertEqual(utils.bertlv_encode_len(127), b'\x7f')
self.assertEqual(utils.bertlv_encode_len(128), b'\x81\x80')
self.assertEqual(utils.bertlv_encode_len(0x123456), b'\x83\x12\x34\x56')
def test_BerTlvLenEnc(self):
self.assertEqual(utils.bertlv_parse_len(b'\x01\x23'), (1, b'\x23'))
self.assertEqual(utils.bertlv_parse_len(b'\x7f'), (127, b''))
self.assertEqual(utils.bertlv_parse_len(b'\x81\x80'), (128, b''))
self.assertEqual(utils.bertlv_parse_len(b'\x83\x12\x34\x56\x78'), (0x123456, b'\x78'))
def test_BerTlvParseOne(self):
res = utils.bertlv_parse_one(b'\x81\x01\x01');
self.assertEqual(res, ({'tag':1, 'constructed':False, 'class':2}, 1, b'\x01', b''))
class TestComprTlv(unittest.TestCase):
def test_ComprTlvTagDec(self):
res = utils.comprehensiontlv_parse_tag(b'\x12\x23')
self.assertEqual(res, ({'tag': 0x12, 'comprehension': False}, b'\x23'))
res = utils.comprehensiontlv_parse_tag(b'\x92')
self.assertEqual(res, ({'tag': 0x12, 'comprehension': True}, b''))
res = utils.comprehensiontlv_parse_tag(b'\x7f\x12\x34')
self.assertEqual(res, ({'tag': 0x1234, 'comprehension': False}, b''))
res = utils.comprehensiontlv_parse_tag(b'\x7f\x82\x34\x56')
self.assertEqual(res, ({'tag': 0x234, 'comprehension': True}, b'\x56'))
def test_ComprTlvTagEnc(self):
res = utils.comprehensiontlv_encode_tag(0x12)
self.assertEqual(res, b'\x12')
res = utils.comprehensiontlv_encode_tag({'tag': 0x12})
self.assertEqual(res, b'\x12')
res = utils.comprehensiontlv_encode_tag({'tag': 0x12, 'comprehension':True})
self.assertEqual(res, b'\x92')
res = utils.comprehensiontlv_encode_tag(0x1234)
self.assertEqual(res, b'\x7f\x12\x34')
res = utils.comprehensiontlv_encode_tag({'tag': 0x1234, 'comprehension':True})
self.assertEqual(res, b'\x7f\x92\x34')
class TestDgiTlv(unittest.TestCase):
def test_DgiTlvLenEnc(self):
self.assertEqual(utils.dgi_encode_len(10), b'\x0a')
self.assertEqual(utils.dgi_encode_len(254), b'\xfe')
self.assertEqual(utils.dgi_encode_len(255), b'\xff\x00\xff')
self.assertEqual(utils.dgi_encode_len(65535), b'\xff\xff\xff')
with self.assertRaises(ValueError):
utils.dgi_encode_len(65536)
def testDgiTlvLenDec(self):
self.assertEqual(utils.dgi_parse_len(b'\x0a\x0b'), (10, b'\x0b'))
self.assertEqual(utils.dgi_parse_len(b'\xfe\x0b'), (254, b'\x0b'))
self.assertEqual(utils.dgi_parse_len(b'\xff\x00\xff\x0b'), (255, b'\x0b'))
class TestLuhn(unittest.TestCase):
def test_verify(self):
utils.verify_luhn('8988211000000530082')