[L] Change in osmo-ttcn3-hacks[master]: 5gc: Introduce test TC_register_ping4 - gerrit-log

28 Jul 2025

pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40764?usp=email )


Change subject: 5gc: Introduce test TC_register_ping4
......................................................................

5gc: Introduce test TC_register_ping4

osmo-uecups is used to set up a GTPv1U tundev with the PDU session
params configured over NGAP/NAS, similar to what is already done in
PGW_Tests.

Depends: osmo-uecups.git Change-Id I6262c3dfbf774b361aadf0aa53ce09b5fdc38da4
Change-Id: I66737a94eedcf4184aa59bbbd7cc700d1e9d1521
---
M 5gc/C5G_Tests.cfg
M 5gc/C5G_Tests.ttcn
M 5gc/ConnHdlr.ttcn
M 5gc/expected-results.xml
M 5gc/gen_links.sh
M 5gc/open5gs/open5gs-smf.yaml
M 5gc/open5gs/open5gs-upf.yaml
A 5gc/osmo-uecups-daemon.cfg
M 5gc/regen_makefile.sh
M 5gc/testenv.cfg
R 5gc/testenv.sh
A 5gc/testsuite_prepare.sh
M deps/Makefile
13 files changed, 226 insertions(+), 43 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/64/40764/1

diff --git a/5gc/C5G_Tests.cfg b/5gc/C5G_Tests.cfg
index ec6f129..9d4439c 100644
--- a/5gc/C5G_Tests.cfg
+++ b/5gc/C5G_Tests.cfg
@@ -19,6 +19,10 @@
 C5G_Tests.mp_imsi := '999700000000000'H;
 C5G_Tests.mp_usim_key := '762a2206fe0b4151ace403c86a11e479'O;
 C5G_Tests.mp_usim_opc := '3c6e0b8a9c15224a8228b9a98ca1531d'O;
+C5G_Tests.mp_run_prog_log_path := "./run_prog"
+C5G_Tests.mp_run_prog_as_user := "osmocom"  # testenv.sh sets this to $USER
+C5G_Tests.mp_ping_hostname := "10.45.0.1";
+GTPv1U_Emulation.mp_uecups_host := "127.0.0.20";
 
 [MAIN_CONTROLLER]
 
diff --git a/5gc/C5G_Tests.ttcn b/5gc/C5G_Tests.ttcn
index f09b364..ff6e43f 100644
--- a/5gc/C5G_Tests.ttcn
+++ b/5gc/C5G_Tests.ttcn
@@ -45,6 +45,8 @@
 import from NG_NAS_Functions all;
 import from NG_CryptoFunctions all;
 
+import from GTPv1U_Emulation all;
+
 import from ConnHdlr all;
 
 /* (maximum) number of emulated UEs */
@@ -63,7 +65,20 @@
 	octetstring mp_usim_opc := '3c6e0b8a9c15224a8228b9a98ca1531d'O;
 	uint24_t mp_tac := 1;
 	charstring mp_apn := "internet";
-	charstring mp_local_gtpu_ip := "127.0.0.1";
+	charstring mp_local_gtpu_ip := "127.0.0.20";
+	charstring mp_ping_hostname := "10.45.0.1";
+
+	charstring mp_run_prog_log_path := "/tmp";
+	charstring mp_run_prog_as_user := "osmocom";
+}
+
+template (value) RunProgParams ts_RunProgParams(integer imsi_suffix) :=
+{
+	run_as_user := mp_run_prog_as_user,
+	log_path_prefix := mp_run_prog_log_path,
+	tun_netns_name := "tun" & int2str(imsi_suffix),
+	tun_dev_name := "tun" & int2str(imsi_suffix),
+	ping_hostname := mp_ping_hostname
 }
 
 template (value) UeParams ts_UeParams(integer imsi_suffix) :=
@@ -73,14 +88,13 @@
 	usim_key := mp_usim_key,
 	usim_opc := mp_usim_opc,
 	apn := mp_apn,
+	run_prog_pars := ts_RunProgParams(imsi_suffix),
 	ran_gtpu_ip := mp_local_gtpu_ip,
-	ran_gtpu_teid := int2oct(imsi_suffix, 4),
+	ran_gtpu_teid := int2oct(imsi_suffix + 1, 4),
 	cn_gtpu_ip := omit,
 	cn_gtpu_teid := omit,
-	ue_ip := omit,
-	kausf := omit,
-	kseaf := omit,
-	kamf := omit
+	qfi := omit,
+	ue_ip := omit
 }
 
 type component MTC_CT {
@@ -90,6 +104,9 @@
 	port NGAP_PT NGAP_UNIT[NUM_NGRAN];
 	port NGAPEM_PROC_PT NGAP_PROC[NUM_NGRAN];
 
+	var GTPv1U_Emulation_CT vc_GTP1U;
+	port GTP1UEM_PT TEID0;
+
 	timer g_Tguard := 30.0;
 
 	var UeParams g_ue_pars[NUM_UE];
@@ -154,11 +171,25 @@
 	}
 }
 
+private function f_init_gtp1u() runs on MTC_CT {
+	var Gtp1uEmulationCfg cfg := {
+		gtpu_bind_ip := omit,  /* using gtpu daemon */
+		gtpu_bind_port := omit,  /* using gtpu daemon */
+		use_gtpu_daemon := true
+	};
+
+	vc_GTP1U := GTPv1U_Emulation_CT.create("GTP1U_EM");
+	map(vc_GTP1U:GTP1U, system:GTP1U);
+	connect(vc_GTP1U:TEID0, self:TEID0);
+	vc_GTP1U.start(GTPv1U_Emulation.main(cfg));
+}
+
 private function f_init(integer imsi_suffix := 0, float t_guard := 30.0) runs on MTC_CT
{
 	/* start guard timer and activate it as default */
 	g_Tguard.start(t_guard);
 	activate(as_Tguard());
 
+	f_init_gtp1u();
 	f_init_ngap(imsi_suffix);
 }
 
@@ -185,6 +216,10 @@
 	connect(vc_conn:NGAP, vc_NGAP[ngap_idx]:NGAP_CLIENT);
 	connect(vc_conn:NGAP_PROC, vc_NGAP[ngap_idx]:NGAP_PROC);
 
+	/* GTPv1U */
+	connect(vc_conn:GTP1U[0], vc_GTP1U:CLIENT);
+	connect(vc_conn:GTP1U_PROC[0], vc_GTP1U:CLIENT_PROC);
+
 	/* We cannot use vc_conn.start(f_init_handler(fn, id, pars)); as we cannot have
 	 * a stand-alone 'derefers()' call, see
https://www.eclipse.org/forums/index.php/t/1091364/ */
 	vc_conn.start(f_init_handler(fn, pars));
@@ -278,11 +313,29 @@
 	vc_conn.done;
 }
 
+private function f_TC_register_ping4() runs on ConnHdlr {
+	f_register();
+	f_pdu_sess_create_tun();
+	f_sleep(1.0);
+	f_ping4(g_pars.ue_pars.run_prog_pars.ping_hostname);
+	f_pdu_sess_delete_tun();
+}
+testcase TC_ng_register_ping4() runs on MTC_CT {
+	f_init();
+	f_ngap_setup(0);
+
+	var ConnHdlrPars pars := f_init_pars(ue_idx := 0);
+	var ConnHdlr vc_conn;
+	vc_conn := f_start_handler_with_pars(refers(f_TC_register_ping4), pars);
+	vc_conn.done;
+}
+
 control {
 	execute( TC_ng_setup() );
 	execute( TC_ng_setup_unknown_global_gnb_id_plmn() );
 	execute( TC_ng_setup_wrong_tac() );
 	execute( TC_ng_register() );
+	execute( TC_ng_register_ping4() );
 }
 
 
diff --git a/5gc/ConnHdlr.ttcn b/5gc/ConnHdlr.ttcn
index 65e6c9a..2e3bedc 100644
--- a/5gc/ConnHdlr.ttcn
+++ b/5gc/ConnHdlr.ttcn
@@ -45,6 +45,9 @@
 import from NG_NAS_Functions all;
 import from NG_CryptoFunctions all;
 
+import from GTPv1U_Emulation all;
+import from UECUPS_Types all;
+
 /* (maximum) number of emulated eNBs */
 const integer NUM_NGRAN := 1;
 
@@ -55,6 +58,12 @@
 	SupportedTAList supported_ta_list
 }
 
+type record UeDerivedKeys {
+	OCT32 kausf,
+	OCT32 kseaf,
+	OCT32 kamf
+};
+
 /* parameters of emulated UE */
 type record UeParams {
 	HEX15n imsi,
@@ -62,15 +71,22 @@
 	octetstring usim_key,
 	octetstring usim_opc,
 	charstring apn,
+	RunProgParams run_prog_pars,
 	charstring ran_gtpu_ip,
 	OCT4 ran_gtpu_teid,
 	charstring cn_gtpu_ip optional,
 	OCT4 cn_gtpu_teid optional,
-	charstring ue_ip optional,
-	OCT32 kausf optional,
-	OCT32 kseaf optional,
-	OCT32 kamf optional
-}
+	OCT1 qfi optional,
+	charstring ue_ip optional
+};
+
+type record RunProgParams {
+	charstring run_as_user,
+	charstring log_path_prefix,
+	charstring tun_netns_name,
+	charstring tun_dev_name,
+	charstring ping_hostname
+};
 
 type record ConnHdlrPars {
 	/* copied over from MTC_CT on start of component */
@@ -83,8 +99,12 @@
 	NAS_KeySetIdentifier kset_id
 }
 
-type component ConnHdlr extends NGAP_ConnHdlr {
+type component ConnHdlr extends NGAP_ConnHdlr, GTP1U_ConnHdlr {
 	var ConnHdlrPars g_pars;
+	var UeDerivedKeys g_keys;
+
+	/* number of programs started, used as identifier. */
+	var integer g_start_prog_count := 0;
 }
 
 type function void_fn() runs on ConnHdlr;
@@ -177,14 +197,14 @@
 		}
 
 		var octetstring ssn := f_NG_NAS_ServingNetworkName_OCT(f_imsi_plmn_id(), omit);
-		g_pars.ue_pars.kausf := f_kdf_kausf(ck, ik, ssn, autn);
-		g_pars.ue_pars.kseaf := f_kdf_kseaf(g_pars.ue_pars.kausf, ssn);
-		g_pars.ue_pars.kamf := f_kdf_kamf(g_pars.ue_pars.kseaf,
char2oct(hex2str(g_pars.ue_pars.imsi)), abba);
+		g_keys.kausf := f_kdf_kausf(ck, ik, ssn, autn);
+		g_keys.kseaf := f_kdf_kseaf(g_keys.kausf, ssn);
+		g_keys.kamf := f_kdf_kamf(g_keys.kseaf, char2oct(hex2str(g_pars.ue_pars.imsi)), abba);
 
 		var NGAPEM_Config cfg := {
 			set_nas_keys := {
-				k_nas_int := f_kdf_ng_nas_int(g_pars.ue_pars.kamf, NG_NAS_ALG_IP_NIA1),
-				k_nas_enc := f_kdf_ng_nas_enc(g_pars.ue_pars.kamf, NG_NAS_ALG_ENC_NEA0)
+				k_nas_int := f_kdf_ng_nas_int(g_keys.kamf, NG_NAS_ALG_IP_NIA1),
+				k_nas_enc := f_kdf_ng_nas_enc(g_keys.kamf, NG_NAS_ALG_ENC_NEA0)
 			}
 		};
 		NGAP.send(cfg);
@@ -325,6 +345,7 @@
 	NGAP.receive(cr_NG_DL_NAS_TRANSPORT) -> value rx_nas;
 	inner_nas :=
f_dec_NG_NAS_DL_Message_Payload_Container(rx_nas.dl_Nas_Transport.payloadContainerType.container,
 							       rx_nas.dl_Nas_Transport.payload.payload);
+	g_pars.ue_pars.qfi :=
inner_nas.pdu_Session_Establishment_Accept.authorizedQoSRules.listofQoSRules[0].identifier;
 	g_pars.ue_pars.ue_ip :=
f_inet_ntoa(inner_nas.pdu_Session_Establishment_Accept.pduAddress.adressInfo);
 	log("5GC assigned CN GTPU Address: ", g_pars.ue_pars.cn_gtpu_ip, " TEID:
", g_pars.ue_pars.cn_gtpu_teid);
 	log("5GC assigned UE IP address: ", g_pars.ue_pars.ue_ip);
@@ -370,4 +391,67 @@
 	f_pdu_sess_establish();
 }
 
+function f_pdu_sess_create_tun() runs on ConnHdlr {
+	var template (value) UECUPS_GtpExtHdr gtp_ext_hdr;
+	var template (value) UECUPS_CreateTun uecups_create;
+	var template (value) UECUPS_GtpExtHdr_PduSessContainer pdu_sess_cont;
+
+	pdu_sess_cont :=
ts_UECUPS_GtpExtHdr_PduSessContainer(UECUPS_GtpExtHdr_PduSessContainer_Type_ul_pdu_sess_info,
+							      oct2int(g_pars.ue_pars.qfi));
+	gtp_ext_hdr := ts_UECUPS_GtpExtHdr(pdu_session_container := pdu_sess_cont);
+
+	uecups_create := ts_UECUPS_CreateTun(
+		tx_teid := oct2int(g_pars.ue_pars.cn_gtpu_teid),
+		rx_teid := oct2int(g_pars.ue_pars.ran_gtpu_teid),
+		user_addr_type := IPV4,
+		user_addr := f_inet_addr(g_pars.ue_pars.ue_ip),
+		local_gtp_ep := valueof(ts_UECUPS_SockAddr(f_inet_addr(g_pars.ue_pars.ran_gtpu_ip))),
+		remote_gtp_ep := valueof(ts_UECUPS_SockAddr(f_inet_addr(g_pars.ue_pars.cn_gtpu_ip))),
+		tun_dev_name := g_pars.ue_pars.run_prog_pars.tun_dev_name,
+		tun_netns_name := g_pars.ue_pars.run_prog_pars.tun_netns_name,
+		gtp_ext_hdr := gtp_ext_hdr
+	);
+
+	f_gtp1u_create_tunnel(uecups_create);
+}
+
+/* destroy tunnel in daemon */
+function f_pdu_sess_delete_tun() runs on ConnHdlr {
+	var template (value) UECUPS_DestroyTun uecups_destroy;
+	uecups_destroy := ts_UECUPS_DestroyTun(
+		local_gtp_ep := valueof(ts_UECUPS_SockAddr(f_inet_addr(g_pars.ue_pars.ran_gtpu_ip))),
+		rx_teid := oct2int(g_pars.ue_pars.ran_gtpu_teid)
+	);
+	f_gtp1u_destroy_tunnel(uecups_destroy);
+}
+
+private function f_run_prog_init(charstring command) runs on ConnHdlr return
UECUPS_StartProgram
+{
+	var template (value) UECUPS_StartProgram sprog := ts_UECUPS_StartProgram(
+		command := command,
+		environment := {},
+		run_as_user := g_pars.ue_pars.run_prog_pars.run_as_user,
+		tun_netns_name := g_pars.ue_pars.run_prog_pars.tun_netns_name
+	);
+	return valueof(sprog);
+}
+
+private function f_run_prog_unique_log_path() runs on ConnHdlr return charstring
+{
+	var charstring id := testcasename() & "-" &
hex2str(g_pars.ue_pars.imsi) & "-" & int2str(g_start_prog_count);
+	var charstring prefix :=  g_pars.ue_pars.run_prog_pars.log_path_prefix &
"/" & id;
+	g_start_prog_count := g_start_prog_count + 1;
+	return prefix;
+}
+
+/* execute ping command and wait for result */
+function f_ping4(charstring host, integer interval := 1, integer count := 10) runs on
ConnHdlr
+{
+	/* command will be filled in by f_gtp1u_ping4() below: */
+	var UECUPS_StartProgram sprog := f_run_prog_init("");
+	f_gtp1u_ping4(sprog, host, interval, count, g_pars.ue_pars.ue_ip,
+		      redirect_output := true,
+		      redirect_output_path_prefix := f_run_prog_unique_log_path());
+}
+
 }
diff --git a/5gc/expected-results.xml b/5gc/expected-results.xml
index 2120ba4..01d53a1 100644
--- a/5gc/expected-results.xml
+++ b/5gc/expected-results.xml
@@ -4,4 +4,5 @@
   <testcase classname='C5G_Tests' name='TC_ng_setup_wrong_tac'
time='MASKED'/>
   <testcase classname='C5G_Tests' name='TC_ng_setup'
time='MASKED'/>
   <testcase classname='C5G_Tests' name='TC_ng_register'
time='MASKED'/>
+  <testcase classname='C5G_Tests' name='TC_ng_register_ping4'
time='MASKED'/>
 </testsuite>
diff --git a/5gc/gen_links.sh b/5gc/gen_links.sh
index 43a679b..9d72550 100755
--- a/5gc/gen_links.sh
+++ b/5gc/gen_links.sh
@@ -18,6 +18,14 @@
 FILES="IPL4asp_Functions.ttcn  IPL4asp_PT.cc  IPL4asp_PT.hh IPL4asp_PortType.ttcn 
IPL4asp_Types.ttcn  IPL4asp_discovery.cc IPL4asp_protocol_L234.hh"
 gen_links $DIR $FILES
 
+DIR=$BASEDIR/titan.ProtocolModules.GTP_v13.5.0/src
+FILES="GTPU_EncDec.cc GTPU_Types.ttcn "
+gen_links $DIR $FILES
+
+DIR=$BASEDIR/osmo-uecups/ttcn3
+FILES="UECUPS_CodecPort.ttcn  UECUPS_CodecPort_CtrlFunct.ttcn 
UECUPS_CodecPort_CtrlFunctDef.cc UECUPS_Types.ttcn "
+gen_links $DIR $FILES
+
 ####################
 # NG_NAS start
 ####################
@@ -80,6 +88,7 @@
 FILES+="NGAP_CodecPort.ttcn NGAP_CodecPort_CtrlFunctDef.cc
NGAP_CodecPort_CtrlFunct.ttcn NGAP_Functions.ttcn NGAP_Emulation.ttcn "
 FILES+="NG_NAS_Osmo_Types.ttcn NG_NAS_Osmo_Templates.ttcn NG_NAS_Functions.ttcn
"
 FILES+="NG_CryptoFunctionDefs.cc NG_CryptoFunctions.ttcn "
+FILES+="GTPv1U_CodecPort.ttcn GTPv1U_CodecPort_CtrlFunct.ttcn
GTPv1U_CodecPort_CtrlFunctDef.cc GTPv1U_Templates.ttcn GTPv1U_Emulation.ttcnpp "
 gen_links $DIR $FILES
 
 gen_links_finish
diff --git a/5gc/open5gs/open5gs-smf.yaml b/5gc/open5gs/open5gs-smf.yaml
index 3ae7783..f925af1 100644
--- a/5gc/open5gs/open5gs-smf.yaml
+++ b/5gc/open5gs/open5gs-smf.yaml
@@ -36,8 +36,10 @@
   session:
     - subnet: 10.45.0.0/16
       gateway: 10.45.0.1
+      dnn: internet
     - subnet: 2001:db8:cafe::/48
       gateway: 2001:db8:cafe::1
+      dnn: internet
   dns:
     - 8.8.8.8
     - 8.8.4.4
diff --git a/5gc/open5gs/open5gs-upf.yaml b/5gc/open5gs/open5gs-upf.yaml
index f73cbc3..c6c86d4 100644
--- a/5gc/open5gs/open5gs-upf.yaml
+++ b/5gc/open5gs/open5gs-upf.yaml
@@ -18,21 +18,13 @@
     server:
       - address: 127.0.0.7
   session:
-    - subnet: 176.16.16.0/20
-      #gateway: 176.16.16.1
+    - subnet: 10.45.0.0/16
+      gateway: 10.45.0.1
       dnn: internet
-      dev: ogstun4
-    - subnet: 2001:780:44:2000:0:0:0:0/56
-      #gateway: 2001:780:44:2000:0:0:0:1/56
-      dnn: inet6
-      dev: ogstun6
-    - subnet: 176.16.32.0/20
-      #gateway: 176.16.32.1
-      dnn: inet46
-      dev: ogstun4
-    - subnet: 2001:780:44:2100:0:0:0:0/56
-      #gateway: 2001:780:44:2100:0:0:0:1/56
-      dnn: inet46
+      dev: ogstun46
+    - subnet: cafe::/64
+      gateway: cafe::1
+      dnn: internet
       dev: ogstun46
   metrics:
     server:
diff --git a/5gc/osmo-uecups-daemon.cfg b/5gc/osmo-uecups-daemon.cfg
new file mode 100644
index 0000000..5a1eafc
--- /dev/null
+++ b/5gc/osmo-uecups-daemon.cfg
@@ -0,0 +1,17 @@
+log gsmtap 127.0.0.202
+ logging level set-all debug
+ logging filter all 1
+log stderr
+ logging filter all 1
+ logging print extended-timestamp 1
+ logging print file basename last
+ logging print category-hex 0
+ logging print category 1
+ logging print level 1
+ logging timestamp 1
+ logging color 1
+ logging level set-all info
+line vty
+ bind 127.0.0.20
+uecups
+ local-ip 127.0.0.20
diff --git a/5gc/regen_makefile.sh b/5gc/regen_makefile.sh
index 5634e21..e3ff277 100755
--- a/5gc/regen_makefile.sh
+++ b/5gc/regen_makefile.sh
@@ -6,6 +6,7 @@
 	*.asn
 	*.c
 	*.ttcn
+	*.ttcnpp
 	IPL4asp_PT.cc
 	IPL4asp_discovery.cc
 	Native_FunctionDefs.cc
@@ -18,6 +19,13 @@
 	TCCConversion.cc
 	TCCEncoding.cc
 	TCCInterface.cc
+	GTPU_EncDec.cc
+	GTPv1U_CodecPort_CtrlFunctDef.cc
+	UECUPS_CodecPort_CtrlFunctDef.cc
+"
+
+CPPFLAGS_TTCN3="
+	-DGTP1U_EMULATION_HAVE_UECUPS
 "
 
 . ../_buildsystem/regen_makefile.inc.sh
diff --git a/5gc/testenv.cfg b/5gc/testenv.cfg
index 498c886..d70c135 100644
--- a/5gc/testenv.cfg
+++ b/5gc/testenv.cfg
@@ -2,6 +2,9 @@
 titan_min=11.1.0
 program=C5G_Tests
 config=C5G_Tests.cfg
+copy=testsuite_prepare.sh
+prepare=./testsuite_prepare.sh
+clean=testenv.sh
 
 [db]
 prepare=mkdir db
@@ -53,8 +56,7 @@
 program=open5gs-upfd -c open5gs-upf.yaml
 make=open5gs
 package=open5gs-upf
-copy=open5gs/open5gs-upf.yaml open5gs/testenv.sh
-clean=./testenv.sh
+copy=open5gs/open5gs-upf.yaml
 
 [ausf]
 program=open5gs-ausfd -c open5gs-ausf.yaml
@@ -86,3 +88,12 @@
 make=open5gs
 package=open5gs-amf
 copy=open5gs/open5gs-amf.yaml
+
+[uecups-daemon]
+# Programs started by osmo-uecups-daemo log to this dir
+prepare=mkdir run_prog
+# Must run as root for writing to /var/run/netns/
+program=sudo $(which osmo-uecups-daemon)
+make=osmo-uecups
+package=osmo-uecups
+copy=osmo-uecups-daemon.cfg
diff --git a/5gc/open5gs/testenv.sh b/5gc/testenv.sh
similarity index 71%
rename from 5gc/open5gs/testenv.sh
rename to 5gc/testenv.sh
index 718dee0..25e1b71 100755
--- a/5gc/open5gs/testenv.sh
+++ b/5gc/testenv.sh
@@ -32,10 +32,8 @@
 	add_tun "ogstun6"
 	add_tun "ogstun46"
 
-	add_addr "ogstun4" "176.16.16.1/20"
-	add_addr "ogstun6" "2001:780:44:2000:0:0:0:1/56"
-	add_addr "ogstun46" "176.16.32.1/20"
-	add_addr "ogstun46" "2001:780:44:2100:0:0:0:1/56"
+	add_addr "ogstun46" "10.45.0.1/16"
+	add_addr "ogstun46" "cafe::1/64"
 
 	sudo ip link set ogstun4 up
 	sudo ip link set ogstun6 up
@@ -59,11 +57,6 @@
 
 check_usage
 
-# Add a bridge reachable through the GTP tunnel that can answer ICMP
-# pings (for e.g. TC_pdp4_act_deact_gtpu_access). The bridge is also used to
-# connect the SUT when it runs in QEMU.
-EXTRA_IPS="172.18.3.201 fd02:db8:3::201" add_remove_testenv0_bridge.sh
-
 case "$TESTENV_CLEAN_REASON" in
 	prepare)
 		setcap_open5gs_upfd
diff --git a/5gc/testsuite_prepare.sh b/5gc/testsuite_prepare.sh
new file mode 100755
index 0000000..052df42
--- /dev/null
+++ b/5gc/testsuite_prepare.sh
@@ -0,0 +1,9 @@
+#!/bin/sh -ex
+
+adjust_ttcn3_config() {
+	local as_user="${USER:-root}"
+	sed -i "s/^C5G_Tests.mp_run_prog_as_user := .*/C5G_Tests.mp_run_prog_as_user :=
\"$as_user\"/" \
+		C5G_Tests.cfg
+}
+
+adjust_ttcn3_config
diff --git a/deps/Makefile b/deps/Makefile
index b0b18b3..1b68262 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -124,7 +124,7 @@
 titan.TestPorts.UDPasp_commit=			54176e95850654e5e8b0ffa2f1b5f35c412b949c
 titan.TestPorts.UNIX_DOMAIN_SOCKETasp_commit=	R.2.A-13-gd34ab71
 titan.TestPorts.USB_commit=			a9470fdc99c82fbf988f4508c3161118c9106e28
-osmo-uecups_commit=				0eb4f08a31fd1d7aac6ffe9c6a60503f17c01787
+osmo-uecups_commit=				fdff5ae0b7addf07c368adbe31610d4e57dac273
 
 all: $(foreach dir,$(ALL_REPOS),$(dir)/update)
 clean: $(foreach dir,$(ALL_REPOS),$(dir)/clean)

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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I66737a94eedcf4184aa59bbbd7cc700d1e9d1521
Gerrit-Change-Number: 40764
Gerrit-PatchSet: 1
Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt;



    