laforge has uploaded this change for review. (
https://gerrit.osmocom.org/c/pysim/+/41735?usp=email )
Change subject: pySim.esim.saip.personalization: Support for EF.SMPP
personalization
......................................................................
pySim.esim.saip.personalization: Support for EF.SMPP personalization
It's a not-too-uncommon requirement to modify the SMSC address stored in
EF.SMPP. This adds a ConfigurableParameter for this purpose.
Change-Id: I6b0776c2e753e0a6d158a8cf65cb030977782ec2
---
M pySim/esim/saip/personalization.py
1 file changed, 43 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/35/41735/1
diff --git a/pySim/esim/saip/personalization.py
b/pySim/esim/saip/personalization.py
index 71f115d..a1df068 100644
--- a/pySim/esim/saip/personalization.py
+++ b/pySim/esim/saip/personalization.py
@@ -22,6 +22,7 @@
from osmocom.tlv import camel_to_snake
from pySim.utils import enc_iccid, enc_imsi, h2b, rpad, sanitize_iccid
from pySim.esim.saip import ProfileElement, ProfileElementSequence
+from pySim.ts_51_011 import EF_SMSP
def remove_unwanted_tuples_from_list(l: List[Tuple], unwanted_keys: List[str])
-> List[Tuple]:
"""In a list of tuples, remove all tuples whose first part equals
'unwanted_key'."""
@@ -104,6 +105,48 @@
file_replace_content(pe.decoded['ef-acc'], acc.to_bytes(2, 'big'))
# TODO: DF.GSM_ACCESS if not linked?
+class SmspTpScAddr(ConfigurableParameter):
+ """Configurable SMSC (SMS Service Centre) TP-SC-ADDR. Expects to be a
phone number in national or
+ international format (designated by a leading +). Automatically sets the
NPI to E.164 and the TON based on
+ presence or absence of leading +"""
+
+ def validate(self):
+ addr_str = str(self.input_value)
+ if addr_str[0] == '+':
+ digits = addr_str[1:]
+ international = True
+ else:
+ digits = addr_str
+ international = False
+ if len(digits) > 20:
+ raise ValueError('TP-SC-ADDR must not exceed 20 digits')
+ if not digits.isdecimal():
+ raise ValueError('TP-SC-ADDR must only contain decimal digits')
+ self.value = (international, digits)
+
+ def apply(self, pes: ProfileElementSequence):
+ international, digits = self.value
+ for pe in pes.get_pes_for_type('usim'):
+ # obtain the File instance from the ProfileElementUSIM
+ f_smsp = pe.files['ef-smsp']
+ #print("SMSP (orig): %s" % f_smsp.body)
+ # instantiate the pySim.ts_51_011.EF_SMSP class for decode/encode
+ ef_smsp = EF_SMSP()
+ # decode the existing file body
+ ef_smsp_dec = ef_smsp.decode_record_bin(f_smsp.body, 1)
+ # patch the actual number
+ ef_smsp_dec['tp_sc_addr']['call_number'] = digits
+ # patch the NPI to isdn_e164
+ ef_smsp_dec['tp_sc_addr']['ton_npi']['numbering_plan_id'] =
'isdn_e164'
+ # patch the TON to international or unknown depending on +
+ ef_smsp_dec['tp_sc_addr']['ton_npi']['type_of_number'] =
'international' if international else 'unknown'
+ # ensure the parameter_indicators.tp_sc_addr is True
+ ef_smsp_dec['parameter_indicators']['tp_sc_addr'] = True
+ # re-encode into the File body
+ f_smsp.body = ef_smsp.encode_record_bin(ef_smsp_dec, 1)
+ #print("SMSP (new): %s" % f_smsp.body)
+ # re-generate the pe.decoded member from the File instance
+ pe.file2pe(f_smsp)
class SdKey(ConfigurableParameter, metaclass=ClassVarMeta):
"""Configurable Security Domain (SD) Key. Value is presented as bytes."""
--
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Gerrit-MessageType: newchange
Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I6b0776c2e753e0a6d158a8cf65cb030977782ec2
Gerrit-Change-Number: 41735
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <[email protected]>
