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bip: report a location in PROVIDE LOCAL INFORMATION

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TS 102 223 6.8.7: TERMINAL RESPONSE shall contain the data object the
command qualifier (6.6.15) asked for.
The card always asks for location information, so at least answer 00,
with the GERAN form of TS 131.111 8.19.1, PLMN 262-01.

Do not answer "terminal currently unable to process - no service"...

Change-Id: I53547da2ea9f0a4ea7a4dd032985a546f2d4277f
This commit is contained in:
Eric Wild
2026-09-23 17:51:04 +02:00
parent 7e8f711ec2
commit 632d585cfc
3 changed files with 57 additions and 4 deletions
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pySim/bip.py
+25 -2
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@@ -39,10 +39,16 @@ from pySim.sms import SMS_DELIVER, SMS_SUBMIT, AddressField
from pySim.cat import (ProactiveCommand, SendShortMessage, SMS_TPDU, SMSPPDownload,
BearerDescription, DeviceIdentities, Address, OtherAddress,
UiccTransportLevel, BufferSize, ChannelStatus, ChannelData,
ChannelDataLength, EventList, EventDownload, Result)
ChannelDataLength, EventList, EventDownload, Result,
CommandDetails, LocationInformation)
logger = logging.getLogger(__name__)
# PROVIDE LOCAL INFORMATION location, GERAN TS 31.111 8.19.1
# - 3 byte PLMN of TS 24.008 10.5.1.3 -> 262-01
# - 2 byte LAC and a 2 byte cid.
DEFAULT_LOCATION = h2b('62f21000010001')
def terminal_profile(num_channels: int = 7) -> bytes:
"""TERMINAL PROFILE for what we implement, TS 102 223 5.2 and annex T.
@@ -247,12 +253,29 @@ class Proact(ProactiveHandler):
sms_sink: callback(pdu), called with the SMPP deliver_sm of a SEND SHORT MESSAGE
the card issued; pySim-smpp2sim.py hands it to its SMPP server.
None: the SMS is logged and dropped.
location: Location information returned in PROVIDE LOCAL INFORMATION (location).
"""
def __init__(self, data_available_sink=None, sms_sink=None):
def __init__(self, data_available_sink=None, sms_sink=None, location: bytes = DEFAULT_LOCATION):
self.data_available_sink = data_available_sink
self.sms_sink = sms_sink
self.location = location
self.channels = ProactChannels(on_data_available=self._on_channel_data_available)
def handle_ProvideLocalInformation(self, pcmd: ProactiveCommand):
"""only location
TS 102 223 6.8.7 says TERMINAL RESPONSE to PROVIDE LOCAL INFORMATION "shall"
contain the data object the command qualifier (6.6.15) asked for. At least answer '00',
location information, usually requested.
answering "terminal currently unable to process - no service", which is a handset
out of coverage makes SJA5 believe it and postpones the entire session!
it registers a location status event, starts a ten minute timer and waits for coverage."""
cmd_det_ie = Proact._find_first_element_of_type(pcmd.children, CommandDetails)
if cmd_det_ie is not None and cmd_det_ie.decoded['command_qualifier'] == 0x00:
return self.prepare_response(pcmd) + [LocationInformation(decoded=self.location)]
return self.prepare_response(pcmd)
def receive_fetch(self, pcmd: ProactiveCommand):
"""Answer anything this handler has no specific handler for.