B.7 Intercept related information (and I-WLAN)
33.1083G Security3GPPHandover interface for Lawful Interception (LI)Release 17TS
NOTE: WLAN Interworking specification (TS 29.234 [41]) is no longer maintained in Release 12 and onwards. Therefore, this clause is not maintained Release 12 and onwards.
ASN1 description of IRI (HI2 interface)
IWLANUmtsHI2Operations {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) lawfulintercept(2) threeGPP(4) hi2wlan(6) r16 (16) version-0 (0)}
DEFINITIONS IMPLICIT TAGS ::=
BEGIN
IMPORTS
LawfulInterceptionIdentifier,
TimeStamp,
Network-Identifier,
National-Parameters,
National-HI2-ASN1parameters,
DataNodeAddress,
IPAddress
FROM HI2Operations
{itu-t(0) identified-organization(4) etsi(0) securityDomain(2)
lawfulIntercept(2) hi2(1) version18 (18)} — Imported from TS 101 671 v.12.1
GeographicalCoordinates,
CivicAddress
FROM UmtsHI2Operations
{itu-t(0) identified-organization(4) etsi(0) securityDomain(2)
lawfulintercept(2) threeGPP(4) hi2(1) r16 (16) version-0 (0)};
— Imported from 3GPP TS 33.108, UMTS PS HI2
— Object Identifier Definitions
— Security DomainId
lawfulInterceptDomainId OBJECT IDENTIFIER ::= {itu-t(0) identified-organization(4) etsi(0)
securityDomain(2) lawfulIntercept(2)}
— Security Subdomains
threeGPPSUBDomainId OBJECT IDENTIFIER ::= {lawfulInterceptDomainId threeGPP(4)}
hi2wlanDomainId OBJECT IDENTIFIER ::= {threeGPPSUBDomainId hi2wlan(6) r16 (16) version-1 (1)}
IWLANUmtsIRIsContent ::= CHOICE
{
iWLANumtsiRIContent IWLANUmtsIRIContent,
iWLANumtsIRISequence IWLANUmtsIRISequence
}
IWLANUmtsIRISequence ::= SEQUENCE OF IWLANUmtsIRIContent
— Aggregation of IWLANUmtsIRIContent is an optional feature.
— It may be applied in cases when at a given point in time
— several IRI records are available for delivery to the same LEA destination.
— As a general rule, records created at any event shall be sent
— immediately and not withheld in the DF or MF in order to
— apply aggragation.
— When aggregation is not to be applied,
— IWLANUmtsIRIContent needs to be chosen.
IWLANUmtsIRIContent ::= CHOICE
{
iRI-Begin-record [1] IRI-Parameters,
iRI-End-record [2] IRI-Parameters,
iRI-Report-record [3] IRI-Parameters,
…
}
IRI-Parameters ::= SEQUENCE
{
hi2iwlanDomainId [0] OBJECT IDENTIFIER, — 3GPP HI2 WLAN domain
lawfulInterceptionIdentifier [2] LawfulInterceptionIdentifier,
— This identifier is associated to the target.
timeStamp [3] TimeStamp,
— date and time of the event triggering the report.
initiator [4] ENUMERATED
{
not-Available (0),
originating-Target (1),
— in case of I-WLAN, this indicates that the I-WLAN tunnel disconnect is WLAN UE
— requested.
terminating-Target (2),
— in case of I-WLAN, this indicates that the I-WLAN tunnel disconnect is network
— initiated.
…
} OPTIONAL,
partyInformation [5] SET SIZE (1..10) OF PartyInformation OPTIONAL,
— This parameter provides the concerned party, the identiy(ies) of the party
— and all the information provided by the party.
national-Parameters [6] National-Parameters OPTIONAL,
networkIdentifier [7] Network-Identifier OPTIONAL,
i-WLANevent [8] I-WLANEvent OPTIONAL,
correlationNumber [9] CorrelationNumber OPTIONAL,
i-WLANOperationErrorCode[10] I-WLANOperationErrorCode OPTIONAL,
i-wLANinformation [11] I-WLANinformation OPTIONAL,
visitedPLMNID [12] VisitedPLMNID OPTIONAL,
national-HI2-ASN1parameters [255] National-HI2-ASN1parameters OPTIONAL,
…,
nSAPI [13] OCTET STRING (SIZE (1)) OPTIONAL,
— Include either Octet 2 of the NSAPI IE of 3GPP TS 24.008 [9]
— or Octet 2 of the NSAPI IE of 3GPP TS 29.060 [17].
packetDataHeaderInformation [14] PacketDataHeaderInformation OPTIONAL
}
— PARAMETERS FORMATS
PartyInformation ::= SEQUENCE
{
party-Qualifier [0] ENUMERATED
{
iWLAN-Target(1),
…
},
partyIdentity [1] SEQUENCE
{
imsi [2] OCTET STRING (SIZE (3..8)) OPTIONAL,
— See MAP format [4] International Mobile
— Station Identity E.212 number beginning with Mobile Country Code
msISDN [3] OCTET STRING (SIZE (1..9)) OPTIONAL,
— MSISDN of the target, encoded in the same format as the AddressString
— parameters defined in MAP format document TS 29.002 [4]
nai [7] OCTET STRING OPTIONAL,
— NAI of the target, encoded in the same format as
— defined in 3GPP TS 29.234 [41].
…
},
services-Data-Information [2] Services-Data-Information OPTIONAL,
— This parameter is used to transmit all the information concerning the
— complementary information associated to the basic data call
…
}
CorrelationNumber ::= OCTET STRING (SIZE(8..20))
I-WLANEvent ::= ENUMERATED
{
i-WLANAccessInitiation (1),
i-WLANAccessTermination (2),
i-WLANTunnelEstablishment (3),
i-WLANTunnelDisconnect (4),
startOfInterceptionCommunicationActive (5),
…,
packetDataHeaderInformation (6)
}
— see [19]
Services-Data-Information ::= SEQUENCE
{
i-WLAN-parameters [1] I-WLAN-parameters OPTIONAL,
…
}
I-WLAN-parameters ::= SEQUENCE
{
wlan-local-IP-address-of-the-target [1] DataNodeAddress OPTIONAL,
w-APN [2] OCTET STRING (SIZE(1..100)) OPTIONAL,
— The Access Point Name (APN) is coded in accordance with
— 3GPP TS 24.008 [9] without the APN IEI (only the last 100 octets are used).
— Octets are coded according to 3GPP TS 23.003 [25].
wlan-remote-IP-address-of-the-target [3] DataNodeAddress OPTIONAL,
…
}
I-WLANOperationErrorCode ::= OCTET STRING
— The parameter shall carry the I-WLAN failed tunnel establishment reason, the I-WLAN Failed
— Access
— Initiation reason or the I-WLAN session termination reason.
I-WLANinformation ::= SEQUENCE
{
wLANOperatorName [1] OCTET STRING OPTIONAL,
wLANLocationData [2] OCTET STRING OPTIONAL,
wLANLocationInformation [3] OCTET STRING OPTIONAL,
nASIPIPv6Address [4] IPAddress OPTIONAL,
wLANMACAddress [5] OCTET STRING OPTIONAL,
sessionAliveTimer [6] SessionAliveTime OPTIONAL,
…,
–These parameters are defined in 3GPP TS 29.234.
geographicalCoordinates [7] GeographicalCoordinates OPTIONAL,
civicAddress [8] CivicAddress OPTIONAL
}
VisitedPLMNID ::= OCTET STRING
— The parameter shall carry the VisitedPLMNID as defined in 3GPP TS 29.234.
SessionAliveTime ::= OCTET STRING
–The parameter shall carry the SessionAliveTime as defined in 3GPP TS 29.234.
PacketDataHeaderInformation ::= CHOICE
{
packetDataHeader [1] PacketDataHeaderReport,
packetDataSummary [2] PacketDataSummaryReport,
…
}
PacketDataHeaderReport ::= CHOICE
{
packetDataHeaderMapped [1] PacketDataHeaderMapped,
packetDataHeaderCopy [2] PacketDataHeaderCopy,
…
}
PacketDataHeaderMapped ::= SEQUENCE
{
sourceIPAddress [1] IPAddress OPTIONAL,
sourcePortNumber [2] INTEGER (0..65535) OPTIONAL,
destinationIPAddress [3] IPAddress OPTIONAL,
destinationPortNumber [4] INTEGER (0..65535) OPTIONAL,
transportProtocol [5] INTEGER OPTIONAL,
— For IPv4, report the "Protocol" field and for IPv6 report "Next Header" field.
— Assigned Internet Protocol Numbers can be found at
— http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml
packetsize [6] INTEGER OPTIONAL,
flowLabel [7] INTEGER OPTIONAL,
packetCount [8] INTEGER OPTIONAL,
direction [9] TPDU-direction,
…
}
TPDU-direction ::= ENUMERATED
{
from-target (1),
to-target (2),
unknown (3)
}
PacketDataHeaderCopy ::= SEQUENCE
{
direction [1] TPDU-direction,
headerCopy [2] OCTET STRING, — includes a copy of the packet header at the IP
— network layer and above including extension headers, but excluding contents.
…
}
PacketDataSummaryReport ::= SEQUENCE OF PacketFlowSummary
PacketFlowSummary ::= SEQUENCE
{
sourceIPAddress [1] IPAddress,
sourcePortNumber [2] INTEGER (0..65535) OPTIONAL,
destinationIPAddress [3] IPAddress,
destinationPortNumber [4] INTEGER (0..65535) OPTIONAL,
transportProtocol [5] INTEGER,
— For IPv4, report the "Protocol" field and for IPv6 report "Next Header" field.
— Assigned Internet Protocol Numbers can be found at
— http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml
flowLabel [6] INTEGER OPTIONAL,
summaryPeriod [7] ReportInterval,
packetCount [8] INTEGER,
sumOfPacketSizes [9] INTEGER,
packetDataSummaryReason [10] ReportReason,
…
}
ReportReason ::= ENUMERATED
{
timerExpired (0),
countThresholdHit (1),
pDPComtextDeactivated (2),
pDPContextModification (3),
otherOrUnknown (4),
…
}
ReportInterval ::= SEQUENCE
{
firstPacketTimeStamp [0] TimeStamp,
lastPacketTimeStamp [1] TimeStamp,
…
}
END — OF IWLANUmtsHI2Operations