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Use capture_pdu_session_establishment_accept_msg with NAS_DOWNLINK_DATA_IND:FGS_PDU_SESSION_ESTABLISHMENT_ACC

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* the capture_pdu_session_establishment_accept_msg function is already handling
  the code in the case FGS_PDU_SESSION_ESTABLISHMENT_ACC of NAS_DOWNLINK_DATA_IND

Closes: #841
This commit is contained in:
Guido Casati
2024-10-25 11:50:52 +02:00
parent 66231badaf
commit b5f4c55d88
1 changed files with 3 additions and 26 deletions
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openair3/NAS/NR_UE/nr_nas_msg_sim.c
+3 -26
View File
@@ -1423,32 +1423,9 @@ void *nas_nrue(void *args_p)
case FGS_DEREGISTRATION_ACCEPT:
LOG_I(NAS, "received deregistration accept\n");
break;
case FGS_PDU_SESSION_ESTABLISHMENT_ACC: {
uint8_t offset = 0;
uint8_t *payload_container = pdu_buffer;
offset += SECURITY_PROTECTED_5GS_NAS_MESSAGE_HEADER_LENGTH;
uint32_t payload_container_length = htons(((dl_nas_transport_t *)(pdu_buffer + offset))->payload_container_length);
if ((payload_container_length >= PAYLOAD_CONTAINER_LENGTH_MIN)
&& (payload_container_length <= PAYLOAD_CONTAINER_LENGTH_MAX))
offset += (PLAIN_5GS_NAS_MESSAGE_HEADER_LENGTH + 3);
if (offset < NAS_CONN_ESTABLI_CNF(msg_p).nasMsg.length)
payload_container = pdu_buffer + offset;
while (offset < payload_container_length) {
if (*(payload_container + offset) == 0x29) { // PDU address IEI
if ((*(payload_container + offset + 1) == 0x05) && (*(payload_container + offset + 2) == 0x01)) { // IPV4
uint8_t *ip_p = payload_container + offset + 3;
char ip[20];
snprintf(ip, sizeof(ip), "%d.%d.%d.%d", *(ip_p), *(ip_p + 1), *(ip_p + 2), *(ip_p + 3));
LOG_I(NAS, "Received PDU Session Establishment Accept, UE IP: %s\n", ip);
tun_config(1, ip, NULL, "oaitun_ue");
setup_ue_ipv4_route(1, ip, "oaitun_ue");
break;
}
}
offset++;
}
} break;
case FGS_PDU_SESSION_ESTABLISHMENT_ACC:
capture_pdu_session_establishment_accept_msg(pdu_buffer, pdu_length);
break;
case FGS_PDU_SESSION_ESTABLISHMENT_REJ:
LOG_E(NAS, "Received PDU Session Establishment reject\n");
break;