gtphub: check TEI presence in Create PDP Ctx Response
Sponsored-by: On-Waves ehi
diff --git a/openbsc/src/gprs/gtphub.c b/openbsc/src/gprs/gtphub.c
index 96068bf..cb42a12 100644
--- a/openbsc/src/gprs/gtphub.c
+++ b/openbsc/src/gprs/gtphub.c
@@ -1524,6 +1524,16 @@
gtphub_tunnel_endpoint_set_peer(&tun->endpoint[side_idx][plane_idx],
peer_from_ie);
+ if (!tei_from_ie &&
+ !tun->endpoint[side_idx][plane_idx].tei_orig) {
+ LOG(LOGL_ERROR,
+ "Create PDP Context message omits %s TEI, but the"
+ " no TEI has been announced for this tunnel: %s",
+ gtphub_plane_idx_names[plane_idx],
+ gtphub_tunnel_str(tun));
+ return -1;
+ }
+
if (tei_from_ie) {
/* Create TEI mapping and replace in GTP packet IE */
uint32_t mapped_tei = nr_pool_next(&hub->tei_pool);