laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/37423?usp=email )
Change subject: pySim.esim.saip: ProfileElement{Header,End} classes ......................................................................
pySim.esim.saip: ProfileElement{Header,End} classes
Change-Id: I88e18c1ee4907eeac3ae5d04d7bc30d6765f91fa --- M pySim/esim/saip/__init__.py M tests/test_esim_saip.py 2 files changed, 39 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/23/37423/1
diff --git a/pySim/esim/saip/__init__.py b/pySim/esim/saip/__init__.py index 9c1f77d..2fe08ec 100644 --- a/pySim/esim/saip/__init__.py +++ b/pySim/esim/saip/__init__.py @@ -22,7 +22,7 @@
import asn1tools
-from pySim.utils import bertlv_parse_tag, bertlv_parse_len, b2h, h2b, dec_imsi +from pySim.utils import bertlv_parse_tag, bertlv_parse_len, b2h, h2b, dec_imsi, Hexstr from pySim.ts_102_221 import FileDescriptor from pySim.construct import build_construct from pySim.esim import compile_asn1_subdir @@ -187,6 +187,7 @@ # names, so we have to manually translate the exceptions here... header_name_translation_dict = { 'header': None, + 'end': 'end-header', 'genericFileManagement': 'gfm-header', 'akaParameter': 'aka-header', 'cdmaParameter': 'cdma-header', @@ -281,6 +282,8 @@ 'isim': ProfileElementISIM, 'opt-isim': ProfileElementOptISIM, 'akaParameter': ProfileElementAKA, + 'header': ProfileElementHeader, + 'end': ProfileElementEnd, } """Construct an instance from given raw, DER encoded bytes.""" pe_type, decoded = asn1.decode('ProfileElement', der) @@ -676,6 +679,30 @@ 'mappingSource': aid, })
+class ProfileElementHeader(ProfileElement): + type = 'header' + def __init__(self, decoded: Optional[dict] = None, + ver_major: Optional[int] = 2, ver_minor: Optional[int] = 3, + iccid: Optional[Hexstr] = '0'*20, profile_type: Optional[str] = None): + super().__init__(decoded) + if decoded: + return + # provide some reasonable defaults + self.decoded = { + 'major-version': ver_major, + 'minor-version': ver_minor, + 'iccid': h2b(iccid), + 'eUICC-Mandatory-services': {}, # needs to be recomputed at the end + 'eUICC-Mandatory-GFSTEList': [], # needs to be recomputed at the end + } + if profile_type: + self.decoded['profileType'] = profile_type + +class ProfileElementEnd(ProfileElement): + type = 'end' + def __init__(self, decoded: Optional[dict] = None): + super().__init__(decoded) + def bertlv_first_segment(binary: bytes) -> Tuple[bytes, bytes]: """obtain the first segment of a binary concatenation of BER-TLV objects. Returns: tuple of first TLV and remainder.""" diff --git a/tests/test_esim_saip.py b/tests/test_esim_saip.py index e87a073..82ed692 100755 --- a/tests/test_esim_saip.py +++ b/tests/test_esim_saip.py @@ -67,7 +67,8 @@ """Test that DER-encoding of PE created by "empty" constructor works without raising exception.""" for cls in [ProfileElementMF, ProfileElementPuk, ProfileElementPin, ProfileElementTelecom, ProfileElementUSIM, ProfileElementISIM, ProfileElementAKA, ProfileElementSD, - ProfileElementSSD, ProfileElementOptUSIM, ProfileElementOptISIM]: + ProfileElementSSD, ProfileElementOptUSIM, ProfileElementOptISIM, + ProfileElementHeader, ProfileElementEnd]: with self.subTest(cls.__name__): pes = ProfileElementSequence() inst = cls()
-
laforge