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ts_51_011/EF.SMSP: Fix parsing of parameter_indicators

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There's a 3-bit RFU field that (unlike everything else in USIM/UICC)
considers '1' to be the default.  Let's make sure we get that right
during encode.

Change-Id: Ibe24a07f5f73d875d2077fa55471dbfc4e90da23
This commit is contained in:
Harald Welte
2025-12-16 02:47:08 +01:00
parent 111f9da4f5
commit a62fb2b987
2 changed files with 9 additions and 4 deletions
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11
pySim/ts_51_011.py
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@@ -243,7 +243,7 @@ class EF_SMSP(LinFixedEF):
_test_decode = [
( '454e6574776f726b73fffffffffffffff1ffffffffffffffffffffffffffffffffffffffffffffffff0000a7',
{ "alpha_id": "ENetworks", "parameter_indicators": { "tp_dest_addr": False, "tp_sc_addr": True,
"tp_pid": True, "tp_dcs": True, "tp_vp": True },
"tp_pid": True, "tp_dcs": True, "tp_vp": False },
"tp_dest_addr": { "length": 255, "ton_npi": { "ext": True, "type_of_number": "reserved_for_extension",
"numbering_plan_id": "reserved_for_extension" },
"call_number": "" },
@@ -281,8 +281,13 @@ class EF_SMSP(LinFixedEF):
super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len=(28, None), **kwargs)
ScAddr = Struct('length'/Int8ub, 'ton_npi'/TonNpi, 'call_number'/BcdAdapter(Rpad(Bytes(10))))
self._construct = Struct('alpha_id'/COptional(GsmOrUcs2Adapter(Rpad(Bytes(this._.total_len-28)))),
'parameter_indicators'/InvertAdapter(FlagsEnum(Byte, tp_dest_addr=1, tp_sc_addr=2,
tp_pid=3, tp_dcs=4, tp_vp=5)),
'parameter_indicators'/InvertAdapter(BitStruct(
Const(7, BitsInteger(3)),
'tp_vp'/Flag,
'tp_dcs'/Flag,
'tp_pid'/Flag,
'tp_sc_addr'/Flag,
'tp_dest_addr'/Flag)),
'tp_dest_addr'/ScAddr,
'tp_sc_addr'/ScAddr,