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Fix AMF sends Registration Reject if 5GMM Capability IE was not provided by the UE #131

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Fix AMF sends Registration Reject if 5GMM Capability IE was not provided by the UE #131

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6 changes: 2 additions & 4 deletions internal/gmm/handler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -638,8 +638,7 @@ func HandleInitialRegistration(ue *context.AmfUe, anType models.AccessType) erro
if ue.RegistrationRequest.Capability5GMM != nil {
ue.Capability5GMM = *ue.RegistrationRequest.Capability5GMM
} else {
gmm_message.SendRegistrationReject(ue.RanUe[anType], nasMessage.Cause5GMMProtocolErrorUnspecified, "")
return fmt.Errorf("Capability5GMM is nil")
ue.GmmLog.Warnf("Capability5GMM is nil, Not sending a Registration Reject")
}

storeLastVisitedRegisteredTAI(ue, ue.RegistrationRequest.LastVisitedRegisteredTAI)
Expand Down Expand Up @@ -797,8 +796,7 @@ func HandleMobilityAndPeriodicRegistrationUpdating(ue *context.AmfUe, anType mod
ue.Capability5GMM = *ue.RegistrationRequest.Capability5GMM
} else {
if ue.RegistrationType5GS != nasMessage.RegistrationType5GSPeriodicRegistrationUpdating {
gmm_message.SendRegistrationReject(ue.RanUe[anType], nasMessage.Cause5GMMProtocolErrorUnspecified, "")
return fmt.Errorf("Capability5GMM is nil")
ue.GmmLog.Warnf("Capability5GMM is nil, Not sending a Registration Reject")
}
}

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