PSEA - SABOX fix - changed the max accumulated apn length

openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.c

@@ -168,7 +168,7 @@ void capture_pdu_session_establishment_accept_msg(uint8_t *buffer, uint32_t msg_
         LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received DNN IE\n");
         psea_msg.dnn_ie.dnn_length = *(buffer + offset++);
         uint8_t i=0;
-        char apn[20];
+        char apn[APN_MAX_LEN];
 
         while (*(buffer + offset + i) != ASCII_ACK) {
           apn[i] = *(buffer + offset + i);

openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishmentAccept.h

@@ -58,6 +58,13 @@
 
 #define ASCII_ACK 0x06 /* Delimiter in the DNN IEI */
 
+/* DNN - APN 
+ * TS 23.003 9.1
+ * The APN is composed of two parts, the APN Network Identifier (9.1.1) & The APN Operator Identifier (9.1.2).
+ * The accumulated max length of APN is 100 bytes.
+ */
+#define APN_MAX_LEN 100
+
 /* Mandatory Presence IE - TS 24.501 Table 8.3.2.1.1 */
 
 typedef struct packet_filter_create_qos_rule_s {