121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
"""Implementation of SimAlliance/TCA Interoperable Profile OIDs"""
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# (C) 2023-2024 by Harald Welte <laforge@osmocom.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from functools import total_ordering
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from typing import List, Union
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@total_ordering
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class OID:
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@staticmethod
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def intlist_from_str(instr: str) -> List[int]:
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return [int(x) for x in instr.split('.')]
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@staticmethod
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def str_from_intlist(intlist: List[int]) -> str:
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return '.'.join([str(x) for x in intlist])
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@staticmethod
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def highest_oid(oids: List['OID']) -> 'OID':
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return sorted(oids)[-1]
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def __init__(self, initializer: Union[List[int], str]):
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if isinstance(initializer, str):
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self.intlist = self.intlist_from_str(initializer)
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else:
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self.intlist = initializer
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def __str__(self) -> str:
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return self.str_from_intlist(self.intlist)
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def __repr__(self) -> str:
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return 'OID(%s)' % (str(self))
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def __eq__(self, other: 'OID'):
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return (self.intlist == other.intlist)
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def __ne__(self, other: 'OID'):
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# implement based on __eq__
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return not (self == other)
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def cmp(self, other: 'OID'):
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self_len = len(self.intlist)
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other_len = len(other.intlist)
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common_len = min(self_len, other_len)
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max_len = max(self_len, other_len)
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for i in range(0, max_len+1):
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if i >= self_len:
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# other list is longer
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return -1
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if i >= other_len:
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# our list is longer
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return 1
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if self.intlist[i] > other.intlist[i]:
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# our version is higher
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return 1
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if self.intlist[i] < other.intlist[i]:
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# other version is higher
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return -1
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# continue to next digit
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return 0
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def __gt__(self, other: 'OID'):
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if self.cmp(other) > 0:
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return True
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def prefix_match(self, oid_str: Union[str, 'OID']):
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"""determine if oid_str is equal or below our OID."""
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return str(oid_str).startswith(str(self))
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class eOID(OID):
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"""OID helper for TCA eUICC prefix"""
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__prefix = [2,23,143,1]
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def __init__(self, initializer):
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if isinstance(initializer, str):
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initializer = self.intlist_from_str(initializer)
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super().__init__(self.__prefix + initializer)
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MF = eOID("2.1")
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DF_CD = eOID("2.2")
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DF_TELECOM = eOID("2.3")
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DF_TELECOM_v2 = eOID("2.3.2")
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ADF_USIM_by_default = eOID("2.4")
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ADF_USIM_by_default_v2 = eOID("2.4.2")
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ADF_USIMopt_not_by_default = eOID("2.5")
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ADF_USIMopt_not_by_default_v2 = eOID("2.5.2")
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ADF_USIMopt_not_by_default_v3 = eOID("2.5.3")
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DF_PHONEBOOK_ADF_USIM = eOID("2.6")
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DF_GSM_ACCESS_ADF_USIM = eOID("2.7")
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ADF_ISIM_by_default = eOID("2.8")
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ADF_ISIMopt_not_by_default = eOID("2.9")
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ADF_ISIMopt_not_by_default_v2 = eOID("2.9.2")
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ADF_CSIM_by_default = eOID("2.10")
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ADF_CSIM_by_default_v2 = eOID("2.10.2")
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ADF_CSIMopt_not_by_default = eOID("2.11")
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ADF_CSIMopt_not_by_default_v2 = eOID("2.11.2")
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DF_EAP = eOID("2.12")
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DF_5GS = eOID("2.13")
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DF_5GS_v2 = eOID("2.13.2")
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DF_5GS_v3 = eOID("2.13.3")
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DF_5GS_v4 = eOID("2.13.4")
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DF_SAIP = eOID("2.14")
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DF_SNPN = eOID("2.15")
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DF_5GProSe = eOID("2.16")
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IoT_by_default = eOID("2.17")
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IoTopt_not_by_default = eOID("2.18")
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