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Merged
LarryLaffer-dev merged 2 commits into from
Jan 12, 2026
Merged

Diameter zn #25

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e48c33b
Fix config reference in Zn command addition logic
LarryLaffer-dev Jan 12, 2026
709ffbf
Refactor Zn-Interface implementation and integrate with Diameter library
LarryLaffer-dev Jan 12, 2026
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29 changes: 11 additions & 18 deletions lib/diameter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,27 +103,20 @@ def __init__(self, logTool, originHost: str="hss01", originRealm: str="epc.mnc99

# SLh LCS
{"commandCode": 8388622, "applicationId": 16777291, "responseMethod": self.Answer_16777291_8388622, "failureResultCode": 4100 ,"requestAcronym": "LRR", "responseAcronym": "LRA", "requestName": "LCS Routing Info Request", "responseName": "LCS Routing Info Answer"},

# Zn MAR
{"commandCode": 303, "applicationId": 16777220, "responseMethod": self.Answer_16777220_303, "requestAcronym": "MAR", "responseAcronym": "MAA"}
]


# Add Zh/Zn Interface commands (Application ID: 16777220)
# These are added separately to make the Zn addition clear
zn_commands = [
{"commandCode": 303, "applicationId": 16777220,
"responseMethod": self.Answer_16777220_303, "failureResultCode": 5001,
"requestAcronym": "MAR", "responseAcronym": "MAA",
"requestName": "Multimedia Authentication Request (Zn)",
"responseName": "Multimedia Authentication Answer (Zn)"},
]

# Only add Zn commands if enabled in config
if self.config.get('hss', {}).get('Zn_enabled', False):
self.diameterResponseList.extend(zn_commands)
# Add Zh/Zn Interface commands (Application ID: 16777220) if enabled
# Implements 3GPP TS 29.109 for GBA (Generic Bootstrapping Architecture)
if config.get('hss', {}).get('Zn_enabled', False):
self.diameterResponseList.append(
{"commandCode": 303, "applicationId": 16777220,
"responseMethod": self.Answer_16777220_303, "failureResultCode": 5001,
"requestAcronym": "MAR", "responseAcronym": "MAA",
"requestName": "Multimedia Authentication Request (Zn)",
"responseName": "Multimedia Authentication Answer (Zn)"}
)
self.logTool.log(service='HSS', level='info',
message="Zn-Interface commands added to Diameter command list",
message="Zn-Interface (GBA) enabled - MAR/MAA command registered",
redisClient=self.redisMessaging)
self._initialize_zn_interface()

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