From 5ebfed3f90bab0a67faa7e506bb2943d8191e4ab Mon Sep 17 00:00:00 2001
From: Angelo Athanassopoulos <angelo.athanassopoulos@hhi.fraunhofer.de>
Date: Wed, 5 Oct 2022 15:04:46 +0200
Subject: [PATCH] PSEA - Capture - DNN IE

---
 .../COMMON/ESM/MSG/PduSessionEstablishmentAccept.c  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.c b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.c
index ddcbb65f2d..7e16cd80bb 100644
--- a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.c
+++ b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.c
@@ -164,6 +164,19 @@ void capture_pdu_session_establishment_accept(uint8_t *buffer, uint32_t msg_leng
         break;
 
       case IEI_DNN:
+        LOG_D(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received DNN IE\n");
+        psea_msg.dnn_ie.dnn_length = *(buffer + offset++);
+        uint8_t i=0;
+        char apn[20];
+
+        while (*(buffer + offset + i) != ASCII_ACK) {
+          apn[i] = *(buffer + offset + i);
+          ++i;
+        }
+
+        LOG_D(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - APN: %s\n", apn);
+        offset += psea_msg.dnn_ie.dnn_length;
+        psea_iei = *(buffer + offset++);
         break;
 
       default: