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authorHarald Welte <laforge@gnumonks.org>2018-02-17 20:57:02 +0100
committerHarald Welte <laforge@gnumonks.org>2018-02-18 10:26:54 +0100
commitc69cf4e9334f348901233c15dbb6a85ab2f5828e (patch)
tree7df488b73619727190617166718b022b75a0aaa4 /ggsn_tests
parent328eb6d5356ad435eb0dd25f6d25bcdcae5e07f4 (diff)
ggsn: Move GTP templates to separate GTP_Templates + Add GTP_Emulation
Diffstat (limited to 'ggsn_tests')
-rw-r--r--ggsn_tests/GGSN_Tests.ttcn510
-rwxr-xr-xggsn_tests/gen_links.sh2
2 files changed, 2 insertions, 510 deletions
diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn
index 28f461c..f320c20 100644
--- a/ggsn_tests/GGSN_Tests.ttcn
+++ b/ggsn_tests/GGSN_Tests.ttcn
@@ -6,6 +6,7 @@ module GGSN_Tests {
import from IPL4asp_Types all;
import from GTP_CodecPort all;
import from GTP_CodecPort_CtrlFunct all;
+ import from GTP_Templates all;
import from GTPC_Types all;
import from GTPU_Types all;
import from IPCP_Types all;
@@ -95,515 +96,6 @@ module GGSN_Tests {
g_d_seq_nr := f_rnd_int(65535);
}
- /* generalized GTP-C receive template */
- template PDU_GTPC tr_GTP1C_PDU(template OCT1 msg_type, template OCT4 teid, template GTPC_PDUs pdu := ?) := {
- /* N-PDU Number flag (PN) shall be set to '0'. A GTP-C receiver shall not return an
- * error if this flag is set to '1'. */
- pn_bit := '0'B,
- /* Sequence number flag (S) shall be set to '1'. */
- s_bit := '1'B,
- e_bit := ?,
- spare := ?,
- /* Protocol Type flag (PT) shall be set to '1'.*/
- pt := '1'B,
- /* Version shall be set to decimal 1 ('001'). */
- version := '001'B,
- messageType := msg_type,
- lengthf := ?,
- teid := teid,
- opt_part := *,
- gtpc_pdu := pdu
- }
-
- /* generalized GTP-C send template */
- template PDU_GTPC ts_GTP1C_PDU(OCT1 msg_type, OCT4 teid, GTPC_PDUs pdu, uint16_t seq_nr) := {
- /* N-PDU Number flag (PN) shall be set to '0'. A GTP-C receiver shall not return an
- * error if this flag is set to '1'. */
- pn_bit := '0'B,
- /* Sequence number flag (S) shall be set to '1'. */
- s_bit := '1'B,
- e_bit := '0'B,
- spare := '0'B,
- /* Protocol Type flag (PT) shall be set to '1'.*/
- pt := '1'B,
- /* Version shall be set to decimal 1 ('001'). */
- version := '001'B,
- messageType := msg_type,
- lengthf := 0, /* we assume encoder overwrites this */
- teid := teid,
- opt_part := {
- sequenceNumber := int2oct(seq_nr, 2),
- npduNumber := '00'O,
- nextExtHeader := '00'O,
- gTPC_extensionHeader_List := omit
- },
- gtpc_pdu := pdu
- }
-
- /* recovery IE */
- template Recovery_gtpc ts_Recovery(OCT1 restart_counter) := {
- type_gtpc := '0E'O,
- restartCounter := restart_counter
- }
-
- template Recovery_gtpc tr_Recovery(template OCT1 restart_counter) := {
- type_gtpc := '0E'O,
- restartCounter := restart_counter
- }
-
- /* template matching reception of GTP-C echo-request */
- template Gtp1cUnitdata tr_GTPC_MsgType(template GtpPeer peer, template OCT1 msg_type, template OCT4 teid, template GTPC_PDUs pdus := ?) := {
- peer := peer,
- gtpc := tr_GTP1C_PDU(msg_type, teid, pdus)
- }
-
- /* template matching reception of GTP-C echo-request */
- template Gtp1cUnitdata tr_GTPC_PING(template GtpPeer peer) := tr_GTPC_MsgType(peer, echoRequest, '00000000'O);
-
- template GTPC_PDUs tr_EchoRespPDU(template OCT1 restart_counter) := {
- echoResponse := {
- recovery := tr_Recovery(restart_counter),
- private_extension_gtpc := *
- }
- }
-
- /* template matching reception of GTP-C echo-response */
- template Gtp1cUnitdata tr_GTPC_PONG(template GtpPeer peer) := tr_GTPC_MsgType(peer, echoResponse, '00000000'O, tr_EchoRespPDU(?));
-
- template GTPC_PDUs ts_EchoRespPDU(OCT1 restart_counter) := {
- echoResponse := {
- recovery := ts_Recovery(restart_counter),
- private_extension_gtpc := omit
- }
- }
-
- /* master template for senidng a GTP-C echo response */
- template Gtp1cUnitdata ts_GTPC_PONG(GtpPeer peer, uint16_t seq, OCT1 rest_ctr) := {
- peer := peer,
- gtpc := ts_GTP1C_PDU(echoResponse, '00000000'O, valueof(ts_EchoRespPDU(rest_ctr)), seq)
- }
-
- template GTPC_PDUs ts_EchoReqPDU := {
- echoRequest := {
- private_extension_gtpc := omit
- }
- }
-
- /* master template for sending a GTP-C echo request */
- template Gtp1cUnitdata ts_GTPC_PING(GtpPeer peer, uint16_t seq) := {
- peer := peer,
- gtpc := ts_GTP1C_PDU(echoRequest, '00000000'O, valueof(ts_EchoReqPDU), seq)
- }
-
- template EndUserAddress t_EuaIPv4(template OCT4 ip_addr) := {
- type_gtpc := '80'O,
- endUserAddress := {
- endUserAddressIPv4 := {
- lengthf := 2,
- pdp_typeorg := '0001'B,
- spare := '1111'B,
- pdp_typenum := '21'O,
- ipv4_address := ip_addr
- }
- }
- }
- template EndUserAddress t_EuaIPv4Dyn := t_EuaIPv4(omit);
- template EndUserAddress tr_EuaIPv4(template OCT4 ip_addr) modifies t_EuaIPv4 := {
- endUserAddress := {
- endUserAddressIPv4 := {
- lengthf := 2+lengthof(ip_addr)
- }
- }
- }
-
- template EndUserAddress t_EuaIPv6(template OCT16 ip_addr) := {
- type_gtpc := '80'O,
- endUserAddress := {
- endUserAddressIPv6 := {
- lengthf := 2,
- pdp_typeorg := '0001'B,
- spare := '1111'B,
- pdp_typenum := '57'O,
- ipv6_address := ip_addr
- }
- }
- }
- template EndUserAddress t_EuaIPv6Dyn := t_EuaIPv6(omit);
- template EndUserAddress tr_EuaIPv6(template OCT16 ip_addr) modifies t_EuaIPv6 := {
- endUserAddress := {
- endUserAddressIPv6 := {
- lengthf := 2+lengthof(ip_addr)
- }
- }
- }
-
- template AccessPointName ts_APN(octetstring apn) := {
- type_gtpc := '83'O,
- lengthf := lengthof(apn),
- apn_value := apn
- }
-
- template GSN_Address_GTPC ts_GsnAddr(octetstring ip_addr) := {
- type_gtpc := '85'O,
- lengthf := lengthof(ip_addr),
- addressf := ip_addr
- }
-
- template MSISDN ts_Msisdn(octetstring msisdn) := {
- type_gtpc := '86'O,
- lengthf := lengthof(msisdn),
- msisdn := msisdn
- }
-
- template QualityOfServiceProfile ts_QosDefault := {
- type_gtpc := '87'O,
- lengthf := 4,
- allocRetensionPrio := '00'O,
- qos_ProfileValue := {
- reliabilityClass := '011'B,
- delayClass := '001'B,
- spare1 := '00'B,
- precedenceClass := '010'B,
- spare2 := '0'B,
- peakThroughput := '1001'B,
- meanThroughput := '11111'B,
- spare3 := '000'B,
- deliverErroneusSDU := omit,
- deliveryOrder := omit,
- trafficClass := omit,
- maxSDUSize := omit,
- maxBitrateUplink := omit,
- maxBitrateDownlink := omit,
- sduErrorRatio := omit,
- residualBER := omit,
- trafficHandlingPriority := omit,
- transferDelay := omit,
- guaranteedBitRateUplink := omit,
- guaranteedBitRateDownlink := omit,
- sourceStatisticsDescriptor := omit,
- signallingIndication := omit,
- spare4 := omit,
- maxBitrateDownlinkExt := omit,
- guaranteedBitRateDownlinkExt := omit,
- maxBitrateUplinkExt := omit,
- guaranteedBitRateUplinkExt := omit
- }
- }
-
- template IMSI_gtpc ts_Imsi(hexstring digits) := {
- type_gtpc := '02'O,
- digits := digits,
- padding := 'F'H
- }
-
- template GTPC_PDUs ts_CreatePdpPDU(hexstring imsi, OCT1 restart_ctr, OCT4 teid_data, OCT4 teid_ctrl,
- BIT4 nsapi, EndUserAddress eua, octetstring apn,
- octetstring sgsn_ip_sign, octetstring sgsn_ip_data,
- octetstring msisdn, template ProtConfigOptions pco := omit) := {
- createPDPContextRequest := {
- imsi := ts_Imsi(imsi),
- rai := omit,
- recovery := ts_Recovery(restart_ctr),
- selectionMode := {
- type_gtpc := '0F'O,
- selectModeValue := '00'B,
- spare := '111111'B
- },
- teidDataI := {
- type_gtpc := '00'O,
- teidDataI := teid_data
- },
- teidControlPlane := {
- type_gtpc := '00'O,
- teidControlPlane := teid_ctrl
- },
- nsapi := {
- type_gtpc := '00'O,
- nsapi := nsapi,
- unused := '0000'B
- },
- linked_nsapi := omit,
- charging_char := omit,
- trace_ref := omit,
- trace_type := omit,
- endUserAddress := eua,
- accessPointName := ts_APN(apn),
- protConfigOptions := pco,
- sgsn_addr_signalling := ts_GsnAddr(sgsn_ip_sign),
- sgsn_addr_traffic := ts_GsnAddr(sgsn_ip_data),
- msisdn := ts_Msisdn(msisdn),
- qualityOfServiceProfile := ts_QosDefault,
- tft := omit,
- triggerId := omit,
- omcId := omit,
- commonFlags := omit,
- aPN_Restriction := omit,
- ratType := omit,
- userLocationInformation := omit,
- mS_TimeZone := omit,
- imeisv := omit,
- camelChargingInformationContainer := omit,
- additionalTraceInfo := omit,
- correlationID := omit,
- evolvedAllocationRetentionPriorityI := omit,
- extendedCommonFlags := omit,
- userCSGInformation := omit,
- aPN_AMBR := omit,
- signallingPriorityIndication := omit,
- cN_OperatorSelectionEntity := omit,
- private_extension_gtpc := omit
- }
- }
-
- template Gtp1cUnitdata ts_GTPC_CreatePDP(GtpPeer peer, uint16_t seq, hexstring imsi,
- OCT1 restart_ctr, OCT4 teid_data,
- OCT4 teid_ctrl, BIT4 nsapi, EndUserAddress eua,
- octetstring apn, octetstring sgsn_ip_sign,
- octetstring sgsn_ip_data, octetstring msisdn,
- template ProtConfigOptions pco := omit) := {
- peer := peer,
- gtpc := ts_GTP1C_PDU(createPDPContextRequest, '00000000'O,
- valueof(ts_CreatePdpPDU(imsi, restart_ctr, teid_data, teid_ctrl,
- nsapi, eua, apn, sgsn_ip_sign,
- sgsn_ip_data, msisdn, pco)), seq)
- }
-
- /* PCO send base template */
- template ProtConfigOptions ts_PCO := {
- type_gtpc := '84'O,
- lengthf := 0,
- configProtocol := '000'B,
- spare := '0000'B,
- extension0 := '1'B,
- protocols := {}
- }
- /* PCO receive base template */
- template ProtConfigOptions tr_PCO := {
- type_gtpc := '84'O,
- lengthf := ?,
- configProtocol := '000'B,
- spare := ?,
- extension0 := '1'B,
- protocols := {}
- }
-
- template ProtConfigOptions ts_PCO_IPv6_DNS modifies ts_PCO := {
- protocols := {
- { protocolID := '0003'O, lengthProtoID := 0, protoIDContents := ''O }
- }
- }
- template ProtConfigOptions tr_PCO_IPv6_DNS_resp(template OCT16 contents) modifies tr_PCO := {
- protocols := {
- *, { protocolID := '0003'O, lengthProtoID := 16, protoIDContents := contents }, *
- }
- }
-
- template ProtConfigOptions ts_PCO_IPv4_DNS_IPCP modifies ts_PCO := {
- protocols := {
- /* dummy PAP entry to check if our parser in the GGSN can properly iterate over
- * the list of protocols, see Change-Id Icc2e6716c33d78d3c3e000f529806228d8aa155e */
- { protocolID := 'C023'O, lengthProtoID := 0, protoIDContents := ''O },
- { protocolID := '8021'O, lengthProtoID := 16, protoIDContents :=
- enc_IpcpPacket(valueof(ts_IPCP_ReqDNS)) }
- }
- }
-
- template ProtocolElement tr_PCO_Proto(OCT2 prot_id) := {
- protocolID := prot_id,
- lengthProtoID := ?,
- protoIDContents := ?
- }
- template ProtConfigOptions tr_PCO_Contains(OCT2 prot_id) modifies tr_PCO := {
- protocols := { *, tr_PCO_Proto(prot_id), * }
- }
-
- template ProtConfigOptions ts_PCO_IPv4_DNS_CONT modifies ts_PCO := {
- protocols := {
- { protocolID := '000d'O, lengthProtoID := 0, protoIDContents := ''O }
- }
- }
- template ProtConfigOptions tr_PCO_IPv4_DNS_CONT_resp(template OCT4 contents) modifies tr_PCO := {
- protocols := {
- *, { protocolID := '000d'O, lengthProtoID := 4, protoIDContents := contents }, *
- }
- }
-
- /* extract a given protocol payload from PCO */
- function f_PCO_extract_proto(ProtConfigOptions pco, OCT2 protocol, integer nth_match := 1) return octetstring {
- var integer i;
- var integer num_matches := 0;
- for (i := 0; i < lengthof(pco.protocols); i := i + 1) {
- if (pco.protocols[i].protocolID == protocol) {
- num_matches := num_matches + 1;
- if (num_matches == nth_match) {
- return pco.protocols[i].protoIDContents;
- }
- }
- }
- setverdict(fail);
- return ''O;
- }
-
- template IpcpPacket tr_IPCP(template LcpCode code, template uint8_t identifier,
- template IpcpOptionList opts) := {
- code := code,
- identifier := identifier,
- len := ?,
- options := opts
- }
- template IpcpOption tr_IPCP_PrimaryDns(template OCT4 addr) := {
- code := IPCP_OPT_PrimaryDNS,
- len := 6,
- data := addr
- }
- template IpcpOption tr_IPCP_SecondaryDns(template OCT4 addr) := {
- code := IPCP_OPT_SecondaryDNS,
- len := 6,
- data := addr
- }
- template IpcpPacket tr_IPCP_Ack_DNS(template uint8_t identifier := ?, template OCT4 dns1 := ?,
- template OCT4 dns2 := ?) :=
- tr_IPCP(LCP_Configure_Ack, identifier,
- { *, tr_IPCP_PrimaryDns(dns1), *, tr_IPCP_SecondaryDns(dns2), * });
-
- template IpcpPacket ts_IPCP(LcpCode code, uint8_t identifier, template IpcpOptionList opts) := {
- code := code,
- identifier := identifier,
- len := 0, /* overwritten */
- options := opts
- }
- template IpcpPacket ts_IPCP_ReqDNS(uint8_t identifier := 0) :=
- ts_IPCP(LCP_Configure_Request, identifier,
- { tr_IPCP_PrimaryDns('00000000'O), tr_IPCP_SecondaryDns('00000000'O) });
-
- function f_teardown_ind_IE(in template BIT1 ind) return template TearDownInd {
-/*
- if (not isvalue(ind)) {
- return omit;
- }
-*/
- var TearDownInd ret := {
- type_gtpc := '13'O,
- tdInd := valueof(ind),
- spare:= '0000000'B
- }
- return ret;
- }
-
- template GTPC_PDUs ts_DeletePdpPDU(BIT4 nsapi, template BIT1 teardown_ind) := {
- deletePDPContextRequest := {
- cause := omit,
- tearDownIndicator := f_teardown_ind_IE(teardown_ind),
- nsapi := {
- type_gtpc := '14'O,
- nsapi := nsapi,
- unused := '0000'B
- },
- protConfigOptions := omit,
- userLocationInformation := omit,
- mS_TimeZone := omit,
- extendedCommonFlags := omit,
- uLI_Timestamp := omit,
- private_extension_gtpc := omit
- }
- }
-
- template Gtp1cUnitdata ts_GTPC_DeletePDP(GtpPeer peer, uint16_t seq, OCT4 teid,
- BIT4 nsapi, template BIT1 teardown_ind) := {
- peer := peer,
- gtpc := ts_GTP1C_PDU(deletePDPContextRequest, teid,
- valueof(ts_DeletePdpPDU(nsapi, teardown_ind)), seq)
- }
-
-
- /* GTP-U */
-
- template PDU_GTPU tr_GTP1U_PDU(template OCT1 msg_type, template OCT4 teid, template GTPU_IEs ies := ?) := {
- pn_bit := ?,
- s_bit := ?,
- e_bit := ?,
- spare := ?,
- /* Protocol Type flag (PT) shall be set to '1' in GTP */
- pt := '1'B,
- /* Version shall be set to decimal 1 ('001'). */
- version := '001'B,
- messageType := msg_type,
- lengthf := ?,
- teid := teid,
- opt_part := *,
- gtpu_IEs := ies
- }
-
- /* generalized GTP-U send template */
- template PDU_GTPU ts_GTP1U_PDU(OCT1 msg_type, uint16_t seq, OCT4 teid, GTPU_IEs ies) := {
- /* N-PDU Number flag (PN): the GTP-U header contains a meaningful N-PDU Number field if the PN
- * flag is set to 1. */
- pn_bit := '0'B, /* we assume the encoder overwrites this if an optional part is given */
- /* If the Sequence Number flag (S) is set to '1' the sequence number field is present and
- * meaningful otherwise it is set to '0'. For GTP-U messages Echo Request, Echo Response,
- * Error Indication and Supported Extension Headers Notification, the S flag shall be set to '1'. */
- s_bit := '1'B, /* we assume the encoder overwrites this if an optional part is given */
- /* Extension header presence */
- e_bit := '0'B,
- spare := '0'B,
- /* Protocol Type flag (PT) shall be set to '1' in GTP */
- pt := '1'B,
- /* Version shall be set to decimal 1 ('001'). */
- version := '001'B,
- messageType := msg_type,
- lengthf := 0, /* we assume encoder overwrites this */
- teid := teid,
- opt_part := {
- sequenceNumber := int2oct(seq, 2),
- npduNumber := '00'O,
- nextExtHeader := '00'O,
- gTPU_extensionHeader_List := omit
- },
- gtpu_IEs := ies
- }
-
- template Gtp1uUnitdata tr_GTPU_MsgType(template GtpPeer peer, template OCT1 msg_type, template OCT4 teid) := {
- peer := peer,
- gtpu := tr_GTP1U_PDU(msg_type, teid)
- }
-
-
- /* template matching reception of GTP-U echo-request */
- template Gtp1uUnitdata tr_GTPU_PING(template GtpPeer peer) := tr_GTPU_MsgType(peer, echoRequest, '00000000'O);
-
- /* template matching reception of GTP-U GPDU */
- template GTPU_IEs t_GPDU(template octetstring data) := {
- g_PDU_IEs := {
- data := data
- }
- }
- template Gtp1uUnitdata tr_GTPU_GPDU(template GtpPeer peer, template OCT4 teid, template octetstring data := ?) := {
- peer := peer,
- gtpu := tr_GTP1U_PDU('FF'O, teid, t_GPDU(data))
- }
-
- template GTPU_IEs ts_UEchoRespPDU(OCT1 restart_counter) := {
- echoResponse_IEs := {
- recovery_gtpu := {
- type_gtpu := '00'O, /* we assume encoder fixes? */
- restartCounter := restart_counter
- },
- private_extension_gtpu := omit
- }
- }
-
- /* master template for sending a GTP-U echo response */
- template Gtp1uUnitdata ts_GTPU_PONG(GtpPeer peer, uint16_t seq, OCT1 rest_ctr) := {
- peer := peer,
- gtpu := ts_GTP1U_PDU(echoResponse, seq, '00000000'O, valueof(ts_UEchoRespPDU(rest_ctr)))
- }
-
- /* master template for sending a GTP-U user plane data */
- template Gtp1uUnitdata ts_GTP1U_GPDU(GtpPeer peer, uint16_t seq, OCT4 teid, octetstring data) := {
- peer := peer,
- gtpu := ts_GTP1U_PDU('FF'O, seq, teid, { g_PDU_IEs := { data := data }})
- }
-
/* Altstep implementing responses to any incoming echo requests */
altstep pingpong() runs on GT_CT {
var Gtp1cUnitdata ud;
diff --git a/ggsn_tests/gen_links.sh b/ggsn_tests/gen_links.sh
index c04d19e..071c6c8 100755
--- a/ggsn_tests/gen_links.sh
+++ b/ggsn_tests/gen_links.sh
@@ -49,5 +49,5 @@ gen_links $DIR $FILES
DIR=../library
FILES="General_Types.ttcn GSM_Types.ttcn Osmocom_Types.ttcn Native_Functions.ttcn Native_FunctionDefs.cc IPCP_Types.ttcn "
-FILES+="GTP_CodecPort.ttcn GTP_CodecPort_CtrlFunct.ttcn GTP_CodecPort_CtrlFunctDef.cc "
+FILES+="GTP_CodecPort.ttcn GTP_CodecPort_CtrlFunct.ttcn GTP_CodecPort_CtrlFunctDef.cc GTP_Templates.ttcn "
gen_links $DIR $FILES