Merge remote-tracking branch 'origin/nr-ue-capture-PSEA-msg' into integration_2022_wk42
This commit is contained in:
Robert Schmidt
@@ -2383,6 +2383,7 @@ set(libnrnas_emm_msg_OBJS
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${NAS_SRC}COMMON/EMM/MSG/RegistrationComplete.c
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${NAS_SRC}COMMON/EMM/MSG/FGSUplinkNasTransport.c
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${NAS_SRC}COMMON/ESM/MSG/PduSessionEstablishRequest.c
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${NAS_SRC}COMMON/ESM/MSG/PduSessionEstablishmentAccept.c
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)
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set(libnrnas_ies_OBJS
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@@ -0,0 +1,192 @@
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/*
|
||||
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The OpenAirInterface Software Alliance licenses this file to You under
|
||||
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
||||
* except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.openairinterface.org/?page_id=698
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*-------------------------------------------------------------------------------
|
||||
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
||||
* contact@openairinterface.org
|
||||
*/
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#include "PduSessionEstablishmentAccept.h"
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#include "common/utils/LOG/log.h"
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#include "nr_nas_msg_sim.h"
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#include "openair2/RRC/NAS/nas_config.h"
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#include "openair2/SDAP/nr_sdap/nr_sdap.h"
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extern char *baseNetAddress;
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void capture_pdu_session_establishment_accept_msg(uint8_t *buffer, uint32_t msg_length)
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{
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uint8_t offset = 0;
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security_protected_nas_5gs_msg_t sec_nas_hdr;
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security_protected_plain_nas_5gs_msg_t sec_nas_msg;
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pdu_session_establishment_accept_msg_t psea_msg;
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sec_nas_hdr.epd = *(buffer + (offset++));
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sec_nas_hdr.sht = *(buffer + (offset++));
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sec_nas_hdr.mac = htonl(*(uint32_t *)(buffer + offset));
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offset+=sizeof(sec_nas_hdr.mac);
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sec_nas_hdr.sqn = *(buffer + (offset++));
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sec_nas_msg.epd = *(buffer + (offset++));
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sec_nas_msg.sht = *(buffer + (offset++));
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sec_nas_msg.msg_type = *(buffer + (offset++));
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sec_nas_msg.payload_type = *(buffer + (offset++));
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sec_nas_msg.payload_len = htons(*(uint16_t *)(buffer + offset));
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offset+=sizeof(sec_nas_msg.payload_len);
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/* Mandatory Presence IEs */
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psea_msg.epd = *(buffer + (offset++));
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psea_msg.pdu_id = *(buffer + (offset++));
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psea_msg.pti = *(buffer + (offset++));
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psea_msg.msg_type = *(buffer + (offset++));
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psea_msg.pdu_type = *(buffer + offset) & 0x0f;
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psea_msg.ssc_mode = (*(buffer + (offset++)) & 0xf0) >> 4;
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psea_msg.qos_rules.length = htons(*(uint16_t *)(buffer + offset));
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offset+=sizeof(psea_msg.qos_rules.length);
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/* Supports the capture of only one QoS Rule, it should be changed for multiple QoS Rules */
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qos_rule_t qos_rule;
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qos_rule.id = *(buffer + (offset++));
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qos_rule.length = htons(*(uint16_t *)(buffer + offset));
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offset+=sizeof(qos_rule.length);
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qos_rule.oc = (*(buffer + offset) & 0xE0) >> 5;
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qos_rule.dqr = (*(buffer + offset) & 0x10) >> 4;
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qos_rule.nb_pf = *(buffer + (offset++)) & 0x0F;
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if(qos_rule.nb_pf) {
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packet_filter_t pf;
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if(qos_rule.oc == ROC_CREATE_NEW_QOS_RULE ||
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ROC_MODIFY_QOS_RULE_ADD_PF ||
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ROC_MODIFY_QOS_RULE_REPLACE_PF) {
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pf.pf_type.type_1.pf_dir = (*(buffer + offset) & 0x30) >> 4;
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pf.pf_type.type_1.pf_id = *(buffer + offset++) & 0x0F;
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pf.pf_type.type_1.length = *(buffer + offset++);
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offset += (qos_rule.nb_pf * pf.pf_type.type_1.length); /* Ommit the Packet filter List */
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} else if (qos_rule.oc == ROC_MODIFY_QOS_RULE_DELETE_PF) {
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offset += qos_rule.nb_pf;
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}
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}
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qos_rule.prcd = *(buffer + offset++);
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qos_rule.qfi = *(buffer + offset++);
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psea_msg.sess_ambr.length = *(buffer + offset++);
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offset += psea_msg.sess_ambr.length; /* Ommit the Seassion-AMBR */
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/* Optional Presence IEs */
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uint8_t psea_iei = *(buffer + offset++);
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while(offset < msg_length) {
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switch (psea_iei) {
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case IEI_5GSM_CAUSE: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received 5GSM Cause IEI\n");
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offset++;
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break;
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case IEI_PDU_ADDRESS:
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received PDU Address IE\n");
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psea_msg.pdu_addr_ie.pdu_length = *(buffer + offset++);
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psea_msg.pdu_addr_ie.pdu_type = *(buffer + offset++);
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if (psea_msg.pdu_addr_ie.pdu_type == PDU_SESSION_TYPE_IPV4) {
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psea_msg.pdu_addr_ie.pdu_addr_oct1 = *(buffer + offset++);
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psea_msg.pdu_addr_ie.pdu_addr_oct2 = *(buffer + offset++);
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psea_msg.pdu_addr_ie.pdu_addr_oct3 = *(buffer + offset++);
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psea_msg.pdu_addr_ie.pdu_addr_oct4 = *(buffer + offset++);
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nas_getparams();
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sprintf(baseNetAddress, "%d.%d", psea_msg.pdu_addr_ie.pdu_addr_oct1, psea_msg.pdu_addr_ie.pdu_addr_oct2);
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nas_config(1, psea_msg.pdu_addr_ie.pdu_addr_oct3, psea_msg.pdu_addr_ie.pdu_addr_oct4, "oaitun_ue");
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received UE IP: %d.%d.%d.%d\n",
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psea_msg.pdu_addr_ie.pdu_addr_oct1,
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psea_msg.pdu_addr_ie.pdu_addr_oct2,
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psea_msg.pdu_addr_ie.pdu_addr_oct3,
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psea_msg.pdu_addr_ie.pdu_addr_oct4);
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} else {
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offset += psea_msg.pdu_addr_ie.pdu_length;
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}
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psea_iei = *(buffer + offset++);
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break;
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case IEI_RQ_TIMER_VALUE: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received RQ timer value IE\n");
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offset++; /* TS 24.008 10.5.7.3 */
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psea_iei = *(buffer + offset++);
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break;
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case IEI_SNSSAI: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received S-NSSAI IE\n");
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uint8_t snssai_length = *(buffer + offset);
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offset += (snssai_length + sizeof(snssai_length));
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psea_iei = *(buffer + offset++);
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break;
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case IEI_ALWAYSON_PDU: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received Always-on PDU Session indication IE\n");
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offset++;
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psea_iei = *(buffer + offset++);
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break;
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case IEI_MAPPED_EPS: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received Mapped EPS bearer context IE\n");
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uint16_t mapped_eps_length = htons(*(uint16_t *)(buffer + offset));
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offset += mapped_eps_length;
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psea_iei = *(buffer + offset++);
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break;
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case IEI_EAP_MSG: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received EAP message IE\n");
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uint16_t eap_length = htons(*(uint16_t *)(buffer + offset));
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offset += (eap_length + sizeof(eap_length));
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psea_iei = *(buffer + offset++);
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break;
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case IEI_AUTH_QOS_DESC: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received Authorized QoS flow descriptions IE\n");
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psea_msg.qos_fd_ie.length = htons(*(uint16_t *)(buffer + offset));
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offset += (psea_msg.qos_fd_ie.length + sizeof(psea_msg.qos_fd_ie.length));
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psea_iei = *(buffer + offset++);
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break;
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case IEI_EXT_CONF_OPT: /* Ommited */
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received Extended protocol configuration options IE\n");
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psea_msg.ext_pp_ie.length = htons(*(uint16_t *)(buffer + offset));
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offset += (psea_msg.ext_pp_ie.length + sizeof(psea_msg.ext_pp_ie.length ));
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psea_iei = *(buffer + offset++);
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break;
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case IEI_DNN:
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Received DNN IE\n");
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psea_msg.dnn_ie.dnn_length = *(buffer + offset++);
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uint8_t i=0;
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char apn[20];
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while (*(buffer + offset + i) != ASCII_ACK) {
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apn[i] = *(buffer + offset + i);
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++i;
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}
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - APN: %s\n", apn);
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offset += psea_msg.dnn_ie.dnn_length;
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psea_iei = *(buffer + offset++);
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break;
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default:
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LOG_T(NAS, "PDU SESSION ESTABLISHMENT ACCEPT - Not known IE\n");
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offset = msg_length;
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break;
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}
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}
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set_qfi_pduid(qos_rule.qfi, psea_msg.pdu_id);
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return;
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}
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@@ -0,0 +1,162 @@
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/*
|
||||
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The OpenAirInterface Software Alliance licenses this file to You under
|
||||
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
||||
* except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.openairinterface.org/?page_id=698
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*-------------------------------------------------------------------------------
|
||||
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
||||
* contact@openairinterface.org
|
||||
*/
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#ifndef PDU_SESSION_ESTABLISHMENT_ACCEPT_H_
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#define PDU_SESSION_ESTABLISHMENT_ACCEPT_H_
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#include <stdint.h>
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/* PDU Session Establish Accept Optional IE Identifiers - TS 24.501 Table 8.3.2.1.1 */
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#define IEI_5GSM_CAUSE 0x59 /* 5GSM cause 9.11.4.2 */
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#define IEI_PDU_ADDRESS 0x29 /* PDU address 9.11.4.10 */
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#define IEI_RQ_TIMER_VALUE 0x56 /* GPRS timer 9.11.2.3 */
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#define IEI_SNSSAI 0x22 /* S-NSSAI 9.11.2.8 */
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#define IEI_ALWAYSON_PDU 0x80 /* Always-on PDU session indication 9.11.4.3 */
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#define IEI_MAPPED_EPS 0x75 /* Mapped EPS bearer contexts 9.11.4.8 */
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||||
#define IEI_EAP_MSG 0x78 /* EAP message 9.11.2.2 */
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||||
#define IEI_AUTH_QOS_DESC 0x79 /* QoS flow descriptions 9.11.4.12 */
|
||||
#define IEI_EXT_CONF_OPT 0x7b /* Extended protocol configuration options 9.11.4.6 */
|
||||
#define IEI_DNN 0x25 /* DNN 9.11.2.1B */
|
||||
|
||||
/* PDU Session type value - TS 24.501 Table 9.11.4.10.1*/
|
||||
|
||||
#define PDU_SESSION_TYPE_IPV4 0b001
|
||||
#define PDU_SESSION_TYPE_IPV6 0b010
|
||||
#define PDU_SESSION_TYPE_IPV4V6 0b011
|
||||
|
||||
/* Rule operation codes - TS 24.501 Table 9.11.4.13.1 */
|
||||
|
||||
#define ROC_RESERVED_0 0b000 /* Reserved */
|
||||
#define ROC_CREATE_NEW_QOS_RULE 0b001 /* Create new QoS rule */
|
||||
#define ROC_DELETE_QOS_RULE 0b010 /* Delete existing QoS rule */
|
||||
#define ROC_MODIFY_QOS_RULE_ADD_PF 0b011 /* Modify existing QoS rule and add packet filters */
|
||||
#define ROC_MODIFY_QOS_RULE_REPLACE_PF 0b100 /* Modify existing QoS rule and replace all packet filters */
|
||||
#define ROC_MODIFY_QOS_RULE_DELETE_PF 0b101 /* Modify existing QoS rule and delete packet filters */
|
||||
#define ROC_MODIFY_QOS_RULE_WITHOUT_PF 0b110 /* Modify existing QoS rule without modifying packet filters */
|
||||
#define ROC_RESERVED_1 0b111 /* Reserved */
|
||||
|
||||
/* DNN - ASCII Codes */
|
||||
|
||||
#define ASCII_ACK 0x06 /* Delimiter in the DNN IEI */
|
||||
|
||||
/* Mandatory Presence IE - TS 24.501 Table 8.3.2.1.1 */
|
||||
|
||||
typedef struct packet_filter_create_qos_rule_s {
|
||||
uint8_t pf_dir; /* Packet filter direction */
|
||||
uint8_t pf_id; /* Packet filter identifier */
|
||||
uint8_t length; /* Length of packet filter contents */
|
||||
} packet_filter_type1_t; /* TS 24.501 Figure 9.11.4.13.3 */
|
||||
|
||||
typedef struct packet_filter_modify_qos_rule_s {
|
||||
uint8_t pf_id; /* Packet filter identifier */
|
||||
} packet_filter_type2_t; /* TS 24.501 Figure 9.11.4.13.4 */
|
||||
|
||||
typedef struct packet_filter_s {
|
||||
union pf_type {
|
||||
packet_filter_type1_t type_1;
|
||||
packet_filter_type2_t type_2;
|
||||
} pf_type;
|
||||
} packet_filter_t;
|
||||
|
||||
typedef struct qos_rule_s {
|
||||
uint8_t id; /* QoS rule identifier */
|
||||
uint16_t length; /* Length of QoS Rule */
|
||||
uint8_t oc; /* Rule operation code (3bits) */
|
||||
uint8_t dqr; /* DQR bit (1 bit) */
|
||||
uint8_t nb_pf; /* Number of packet filters (4 bits) */
|
||||
uint8_t prcd; /* QoS rule precedence */
|
||||
uint8_t qfi; /* QoS Flow Identifier */
|
||||
} qos_rule_t;
|
||||
|
||||
typedef struct auth_qos_rules_s {
|
||||
uint16_t length; /* Length of QoS rules IE */
|
||||
} auth_qos_rule_t; /* QoS Rule as defined in 24.501 Figure 9.11.4.13.2 */
|
||||
|
||||
typedef struct session_ambr_s {
|
||||
uint8_t length; /* Length of Session-AMBR contents */
|
||||
uint8_t unit_dl; /* Unit for Session-AMBR for downlink */
|
||||
uint16_t sess_dl; /* Session-AMBR for downlink */
|
||||
uint8_t unit_ul; /* Unit for Session-AMBR for uplink */
|
||||
uint16_t sess_ul; /* Session-AMBR for uplink */
|
||||
} session_ambr_t; /* TS 24.501 Figure 9.11.4.14.1 */
|
||||
|
||||
/* Optional Presence IE - TS 24.501 Table 8.3.2.1.1 */
|
||||
|
||||
typedef struct pdu_address_s {
|
||||
uint8_t pdu_iei; /* PDU Address IEI (0x29) */
|
||||
uint8_t pdu_length; /* Length of PDU address contents */
|
||||
uint8_t pdu_type; /* PDU session type value */
|
||||
uint8_t pdu_addr_oct1; /* PDU address information (1st Octet)*/
|
||||
uint8_t pdu_addr_oct2; /* PDU address information (2nd Octet)*/
|
||||
uint8_t pdu_addr_oct3; /* PDU address information (3rd Octet)*/
|
||||
uint8_t pdu_addr_oct4; /* PDU address information (4th Octet)*/
|
||||
} pdu_address_t; /* TS 24.501 9.11.4.10 */
|
||||
|
||||
typedef struct dnn_s {
|
||||
uint8_t dnn_iei; /* DNN IEI (0x25) */
|
||||
uint8_t dnn_length; /* Length of DNN contents */
|
||||
} dnn_t; /* TS 24.501 9.11.2.1A */
|
||||
|
||||
typedef struct ext_pP_t {
|
||||
uint16_t length;
|
||||
} ext_pP_t; /* TS 24.008 10.5.6.3A - Ommited, only length is processed*/
|
||||
|
||||
typedef struct qos_fd_s {
|
||||
uint16_t length;
|
||||
} qos_fd_t; /* TS 24.501 9.11.4.12 - Ommited, only length is processed*/
|
||||
|
||||
typedef struct pdu_session_establishment_accept_msg_s {
|
||||
/* Mandatory presence */
|
||||
uint8_t epd; /* Extended Protocol Discriminator */
|
||||
uint8_t pdu_id; /* PDU Session ID */
|
||||
uint8_t pti; /* Procedure Transaction Identity */
|
||||
uint8_t msg_type; /* Message Type */
|
||||
uint8_t pdu_type; /* PDU Session Type */
|
||||
uint8_t ssc_mode; /* SSC mode */
|
||||
auth_qos_rule_t qos_rules; /* Authorized QoS rules */
|
||||
session_ambr_t sess_ambr; /* Session-AMBR */
|
||||
|
||||
/* Optional presence */
|
||||
dnn_t dnn_ie; /* Data Network Name */
|
||||
pdu_address_t pdu_addr_ie; /* PDU Address */
|
||||
ext_pP_t ext_pp_ie; /* Extended Protocol Configuration Options */
|
||||
qos_fd_t qos_fd_ie; /* QoS flow descriptions */
|
||||
} pdu_session_establishment_accept_msg_t; /* 24.501 Table 8.3.2.1.1 */
|
||||
|
||||
typedef struct security_protected_plain_nas_5gs_msg_s {
|
||||
uint8_t epd; /* Extended Protocol Discriminator */
|
||||
uint8_t sht; /* Security Header Type */
|
||||
uint8_t msg_type; /* Message Type */
|
||||
uint8_t payload_type; /* Payload Container Type */
|
||||
uint16_t payload_len; /* Payload Container Length */
|
||||
} security_protected_plain_nas_5gs_msg_t;
|
||||
|
||||
typedef struct security_protected_nas_5gs_msg_s {
|
||||
uint8_t epd; /* Extended Protocol Discriminator */
|
||||
uint8_t sht; /* Security Header Type */
|
||||
uint32_t mac; /* Message Authentication Code */
|
||||
uint8_t sqn; /* Sequence Number */
|
||||
} security_protected_nas_5gs_msg_t; /* 24.501 Figure 9.1.1.2 */
|
||||
|
||||
void capture_pdu_session_establishment_accept_msg(uint8_t *buffer, uint32_t msg_length);
|
||||
|
||||
#endif
|
||||
@@ -38,6 +38,7 @@
|
||||
#include "aka_functions.h"
|
||||
#include "secu_defs.h"
|
||||
#include "PduSessionEstablishRequest.h"
|
||||
#include "PduSessionEstablishmentAccept.h"
|
||||
#include "intertask_interface.h"
|
||||
#include "openair2/RRC/NAS/nas_config.h"
|
||||
#include <openair3/UICC/usim_interface.h>
|
||||
@@ -908,42 +909,8 @@ void *nas_nrue_task(void *args_p)
|
||||
LOG_I(NAS, "Send NAS_UPLINK_DATA_REQ message(PduSessionEstablishRequest)\n");
|
||||
}
|
||||
} else if(msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC){
|
||||
uint8_t offset = 0;
|
||||
uint8_t *payload_container = NULL;
|
||||
offset += SECURITY_PROTECTED_5GS_NAS_MESSAGE_HEADER_LENGTH;
|
||||
uint16_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;
|
||||
}
|
||||
offset = 0;
|
||||
uint8_t pdu_id = *(pdu_buffer+14);
|
||||
while(offset < payload_container_length) {
|
||||
// Fixme: this is not good 'type' 0x29 searching in TLV like structure
|
||||
// AND fix dirsty code copy hereafter of the same!!!
|
||||
if (*(payload_container + offset) == 0x29) { // PDU address IEI
|
||||
if ((*(payload_container+offset+1) == 0x05) && (*(payload_container +offset+2) == 0x01)) { // IPV4
|
||||
nas_getparams();
|
||||
sprintf(baseNetAddress, "%d.%d", *(payload_container+offset+3), *(payload_container+offset+4));
|
||||
int third_octet = *(payload_container+offset+5);
|
||||
int fourth_octet = *(payload_container+offset+6);
|
||||
LOG_I(NAS, "Received PDU Session Establishment Accept, UE IP: %d.%d.%d.%d\n",
|
||||
*(payload_container+offset+3), *(payload_container+offset+4),
|
||||
*(payload_container+offset+5), *(payload_container+offset+6));
|
||||
nas_config(1,third_octet,fourth_octet,"oaitun_ue");
|
||||
}
|
||||
}
|
||||
if (*(payload_container + offset) == 0x79) {
|
||||
uint8_t qfi = *(payload_container+offset+3);
|
||||
set_qfi_pduid(qfi, pdu_id);
|
||||
break;
|
||||
}
|
||||
offset++;
|
||||
}
|
||||
}
|
||||
capture_pdu_session_establishment_accept_msg(pdu_buffer, NAS_CONN_ESTABLI_CNF (msg_p).nasMsg.length);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user