360 lines
14 KiB
C
360 lines
14 KiB
C
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/*
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* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "test-common.h"
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ogs_pkbuf_t *testgsm_build_pdu_session_establishment_request(
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test_sess_t *test_sess)
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{
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ogs_nas_5gs_message_t message;
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ogs_nas_5gs_pdu_session_establishment_request_t
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*pdu_session_establishment_request =
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&message.gsm.pdu_session_establishment_request;
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ogs_nas_integrity_protection_maximum_data_rate_t
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*integrity_protection_maximum_data_rate = NULL;
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ogs_nas_pdu_session_type_t *pdu_session_type = NULL;
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ogs_nas_ssc_mode_t *ssc_mode = NULL;
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ogs_nas_extended_protocol_configuration_options_t
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*extended_protocol_configuration_options = NULL;
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/*
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* Challenge Handshake Authentication Protocol(0xc223)
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* Code : Challenge (1)
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* Response (2)
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*/
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#if 0
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uint8_t ue_pco[94] =
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"\x80\xc2\x23\x16\x01\x00\x00\x16\x10\xa1\x53\x8b\x8b"
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"\xa1\x53\x8b\x8b\xa1\x53\x8b\x8b\xa1\x53\x8b\x8b\x2a\xc2\x23\x16"
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"\x02\x00\x00\x16\x10\x52\xfb\x1e\xd0\x6e\x58\xd6\x5c\xb6\x3f\x54"
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"\x45\x9c\x94\x84\xaa\x2a\x80\x21\x10\x01\x00\x00\x10\x81\x06\x00"
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"\x00\x00\x00\x83\x06\x00\x00\x00\x00\x00\x0d\x00\x00\x03\x00\x00"
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"\x0a\x00\x00\x05\x00\x00\x10\x00\x00\x11\x00\x00\x23\x00\x00\x24"
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"\x00";
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#endif
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uint8_t ue_pco[35] =
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"\x80\x80\x21\x10\x01\x00\x00\x10\x81\x06\x00\x00\x00\x00"
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"\x83\x06\x00\x00\x00\x00\x00\x0c\x00\x00\x0d\x00\x00\x02\x00\x00"
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"\x0a\x00\x00\x10\x00";
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test_ue_t *test_ue = NULL;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_assert(test_sess);
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test_ue = test_sess;
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ogs_assert(test_ue);
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integrity_protection_maximum_data_rate =
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&pdu_session_establishment_request->
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integrity_protection_maximum_data_rate;
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pdu_session_type = &pdu_session_establishment_request->pdu_session_type;
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ssc_mode = &pdu_session_establishment_request->ssc_mode;
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extended_protocol_configuration_options =
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&pdu_session_establishment_request->
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extended_protocol_configuration_options;
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memset(&message, 0, sizeof(message));
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message.gsm.h.extended_protocol_discriminator =
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OGS_NAS_EXTENDED_PROTOCOL_DISCRIMINATOR_5GSM;
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message.gsm.h.pdu_session_identity = test_sess->psi;
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message.gsm.h.procedure_transaction_identity = test_sess->pti;
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message.gsm.h.message_type = OGS_NAS_5GS_PDU_SESSION_ESTABLISHMENT_REQUEST;
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integrity_protection_maximum_data_rate->ul = 0xff;
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integrity_protection_maximum_data_rate->dl = 0xff;
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pdu_session_establishment_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_ESTABLISHMENT_REQUEST_PDU_SESSION_TYPE_PRESENT;
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pdu_session_type->value = test_sess->pdu_session_type;
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if (test_sess->pdu_session_establishment_param.ssc_mode) {
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pdu_session_establishment_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_ESTABLISHMENT_REQUEST_SSC_MODE_PRESENT;
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ssc_mode->value = OGS_NAS_SSC_MODE_1;
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}
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if (test_sess->pdu_session_establishment_param.epco) {
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pdu_session_establishment_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_ESTABLISHMENT_REQUEST_EXTENDED_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
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extended_protocol_configuration_options->length = sizeof(ue_pco);
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extended_protocol_configuration_options->buffer = ue_pco;
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}
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return ogs_nas_5gs_plain_encode(&message);
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}
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ogs_pkbuf_t *testgsm_build_pdu_session_modification_request(
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test_bearer_t *qos_flow, uint8_t gsm_cause,
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uint8_t qos_rule_code, uint8_t qos_flow_description_code)
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{
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int num_of_param, rv;
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ogs_nas_5gs_message_t message;
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ogs_nas_5gs_pdu_session_modification_request_t
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*pdu_session_modification_request =
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&message.gsm.pdu_session_modification_request;
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ogs_nas_qos_rule_t qos_rule[OGS_NAS_MAX_NUM_OF_QOS_RULE];
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ogs_nas_qos_flow_description_t
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qos_flow_description[OGS_NAS_MAX_NUM_OF_QOS_FLOW_DESCRIPTION];
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ogs_nas_qos_rules_t *requested_qos_rules =
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&pdu_session_modification_request->requested_qos_rules;
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ogs_nas_qos_flow_descriptions_t *requested_qos_flow_descriptions =
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&pdu_session_modification_request->requested_qos_flow_descriptions;
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test_ue_t *test_ue = NULL;
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test_sess_t *test_sess = NULL;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_ipsubnet_t ipsubnet;
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ogs_assert(qos_flow);
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test_sess = qos_flow->sess;
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ogs_assert(test_sess);
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test_ue = test_sess;
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ogs_assert(test_ue);
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memset(&message, 0, sizeof(message));
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message.gsm.h.extended_protocol_discriminator =
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OGS_NAS_EXTENDED_PROTOCOL_DISCRIMINATOR_5GSM;
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message.gsm.h.pdu_session_identity = test_sess->psi;
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message.gsm.h.procedure_transaction_identity = test_sess->pti;
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message.gsm.h.message_type = OGS_NAS_5GS_PDU_SESSION_MODIFICATION_REQUEST;
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if (gsm_cause) {
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pdu_session_modification_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_MODIFICATION_REQUEST_5GSM_CAUSE_PRESENT;
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pdu_session_modification_request->gsm_cause = gsm_cause;
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}
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if (qos_rule_code) {
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pdu_session_modification_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_MODIFICATION_REQUEST_REQUESTED_QOS_RULES_PRESENT;
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memset(qos_rule, 0, sizeof(qos_rule));
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qos_rule[0].identifier = qos_flow->qfi; /* Use QFI in Open5GS */
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qos_rule[0].code = qos_rule_code;
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if (qos_rule_code ==
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OGS_NAS_QOS_CODE_MODIFY_EXISTING_QOS_RULE_AND_ADD_PACKET_FILTERS) {
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qos_rule[0].DQR_bit = 0;
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qos_rule[0].num_of_packet_filter = 1;
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qos_rule[0].pf[0].direction = OGS_NAS_QOS_DIRECTION_UPLINK;
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qos_rule[0].pf[0].identifier = 4;
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qos_rule[0].pf[0].content.length = 18;
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qos_rule[0].pf[0].content.num_of_component = 1;
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qos_rule[0].pf[0].content.component[0].type =
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OGS_PACKET_FILTER_IPV6_LOCAL_ADDRESS_PREFIX_LENGTH_TYPE;
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rv = ogs_ipsubnet(&ipsubnet, "2001:db8:cafe::9", "120");
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ogs_assert(rv == OGS_OK);
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memcpy(qos_rule[0].pf[0].content.component[0].ipv6.addr,
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ipsubnet.sub,
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sizeof(qos_rule[0].pf[0].content.component[0].ipv6.addr));
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qos_rule[0].pf[0].content.component[0].ipv6.prefixlen = 120;
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} else if (qos_rule_code ==
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OGS_NAS_QOS_CODE_MODIFY_EXISTING_QOS_RULE_AND_REPLACE_PACKET_FILTERS) {
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qos_rule[0].DQR_bit = 0;
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qos_rule[0].num_of_packet_filter = 1;
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qos_rule[0].pf[0].direction = OGS_NAS_QOS_DIRECTION_DOWNLINK;
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qos_rule[0].pf[0].identifier = 0;
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qos_rule[0].pf[0].content.length = 9;
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qos_rule[0].pf[0].content.num_of_component = 1;
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qos_rule[0].pf[0].content.component[0].type =
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OGS_PACKET_FILTER_IPV4_REMOTE_ADDRESS_TYPE;
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rv = ogs_ipsubnet(&ipsubnet, "201.20.2.5", NULL);
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ogs_assert(rv == OGS_OK);
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qos_rule[0].pf[0].content.component[0].ipv4.addr = ipsubnet.sub[0];
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qos_rule[0].pf[0].content.component[0].ipv4.mask = ipsubnet.mask[0];
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} else if (qos_rule_code ==
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OGS_NAS_QOS_CODE_MODIFY_EXISTING_QOS_RULE_AND_DELETE_PACKET_FILTERS) {
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qos_rule[0].DQR_bit = 0;
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qos_rule[0].num_of_packet_filter = 4;
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qos_rule[0].pf[0].identifier = 0;
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qos_rule[0].pf[1].identifier = 1;
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qos_rule[0].pf[2].identifier = 2;
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qos_rule[0].pf[3].identifier = 3;
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} else {
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ogs_fatal("Unknown qos_rule_code[%d]", qos_rule_code);
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ogs_assert_if_reached();
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}
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qos_rule[0].precedence = 0x0f; /* lowest precedence */
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qos_rule[0].flow.segregation = 0;
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qos_rule[0].flow.identifier = qos_flow->qfi;
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rv = ogs_nas_build_qos_rules(requested_qos_rules, qos_rule, 1);
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ogs_assert(rv == OGS_OK);
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}
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if (qos_flow_description_code) {
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pdu_session_modification_request->presencemask |=
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OGS_NAS_5GS_PDU_SESSION_MODIFICATION_REQUEST_REQUESTED_QOS_FLOW_DESCRIPTIONS_PRESENT;
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memset(&qos_flow_description, 0, sizeof(qos_flow_description));
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qos_flow_description[0].identifier = qos_flow->qfi;
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qos_flow_description[0].code = qos_flow_description_code;
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num_of_param = 0;
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if (qos_flow_description_code !=
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OGS_NAS_DELETE_NEW_QOS_FLOW_DESCRIPTION) {
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qos_flow_description[0].E_bit = 1;
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qos_flow_description[0].param[num_of_param].identifier =
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OGS_NAX_QOS_FLOW_PARAMETER_ID_5QI;
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qos_flow_description[0].param[num_of_param].len =
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sizeof(qos_flow_description[0].param[num_of_param].qos_index);
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qos_flow_description[0].param[num_of_param].qos_index = 5;
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num_of_param++;
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qos_flow_description[0].param[num_of_param].identifier =
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OGS_NAX_QOS_FLOW_PARAMETER_ID_GFBR_UPLINK;
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qos_flow_description[0].param[num_of_param].len =
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sizeof(qos_flow_description[0].param[num_of_param].br);
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ogs_nas_bitrate_from_uint64(
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&qos_flow_description[0].param[num_of_param].br,
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32*1000);
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num_of_param++;
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qos_flow_description[0].param[num_of_param].identifier =
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OGS_NAX_QOS_FLOW_PARAMETER_ID_GFBR_DOWNLINK;
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qos_flow_description[0].param[num_of_param].len =
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sizeof(qos_flow_description[0].param[num_of_param].br);
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ogs_nas_bitrate_from_uint64(
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&qos_flow_description[0].param[num_of_param].br,
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48*1000);
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num_of_param++;
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qos_flow_description[0].param[num_of_param].identifier =
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OGS_NAX_QOS_FLOW_PARAMETER_ID_MFBR_UPLINK;
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qos_flow_description[0].param[num_of_param].len =
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sizeof(qos_flow_description[0].param[num_of_param].br);
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ogs_nas_bitrate_from_uint64(
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&qos_flow_description[0].param[num_of_param].br,
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16*1000);
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num_of_param++;
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qos_flow_description[0].param[num_of_param].identifier =
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OGS_NAX_QOS_FLOW_PARAMETER_ID_MFBR_DOWNLINK;
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qos_flow_description[0].param[num_of_param].len =
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sizeof(qos_flow_description[0].param[num_of_param].br);
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ogs_nas_bitrate_from_uint64(
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&qos_flow_description[0].param[num_of_param].br,
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64*1000);
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num_of_param++;
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}
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qos_flow_description[0].num_of_parameter = num_of_param;
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rv = ogs_nas_build_qos_flow_descriptions(
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requested_qos_flow_descriptions, qos_flow_description, 1);
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}
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pkbuf = ogs_nas_5gs_plain_encode(&message);
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ogs_free(requested_qos_rules->buffer);
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ogs_free(requested_qos_flow_descriptions->buffer);
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return pkbuf;
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}
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ogs_pkbuf_t *testgsm_build_pdu_session_modification_complete(
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test_sess_t *test_sess)
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{
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ogs_nas_5gs_message_t message;
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ogs_nas_5gs_pdu_session_modification_complete_t
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*pdu_session_modification_complete =
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&message.gsm.pdu_session_modification_complete;
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test_ue_t *test_ue = NULL;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_assert(test_sess);
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test_ue = test_sess;
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ogs_assert(test_ue);
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memset(&message, 0, sizeof(message));
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message.gsm.h.extended_protocol_discriminator =
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OGS_NAS_EXTENDED_PROTOCOL_DISCRIMINATOR_5GSM;
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message.gsm.h.pdu_session_identity = test_sess->psi;
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message.gsm.h.procedure_transaction_identity = test_sess->pti;
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message.gsm.h.message_type = OGS_NAS_5GS_PDU_SESSION_MODIFICATION_COMPLETE;
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return ogs_nas_5gs_plain_encode(&message);
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}
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ogs_pkbuf_t *testgsm_build_pdu_session_release_request(test_sess_t *test_sess)
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{
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ogs_nas_5gs_message_t message;
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ogs_nas_5gs_pdu_session_release_request_t *pdu_session_release_request =
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&message.gsm.pdu_session_release_request;
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test_ue_t *test_ue = NULL;
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ogs_pkbuf_t *pkbuf = NULL;
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ogs_assert(test_sess);
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test_ue = test_sess;
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ogs_assert(test_ue);
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memset(&message, 0, sizeof(message));
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message.gsm.h.extended_protocol_discriminator =
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OGS_NAS_EXTENDED_PROTOCOL_DISCRIMINATOR_5GSM;
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message.gsm.h.pdu_session_identity = test_sess->psi;
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message.gsm.h.procedure_transaction_identity = test_sess->pti;
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message.gsm.h.message_type = OGS_NAS_5GS_PDU_SESSION_RELEASE_REQUEST;
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return ogs_nas_5gs_plain_encode(&message);
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}
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ogs_pkbuf_t *testgsm_build_pdu_session_release_complete(test_sess_t *test_sess)
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{
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ogs_nas_5gs_message_t message;
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ogs_nas_5gs_pdu_session_release_complete_t *pdu_session_release_complete =
|
||
|
&message.gsm.pdu_session_release_complete;
|
||
|
|
||
|
test_ue_t *test_ue = NULL;
|
||
|
ogs_pkbuf_t *pkbuf = NULL;
|
||
|
|
||
|
ogs_assert(test_sess);
|
||
|
test_ue = test_sess;
|
||
|
ogs_assert(test_ue);
|
||
|
|
||
|
memset(&message, 0, sizeof(message));
|
||
|
|
||
|
message.gsm.h.extended_protocol_discriminator =
|
||
|
OGS_NAS_EXTENDED_PROTOCOL_DISCRIMINATOR_5GSM;
|
||
|
message.gsm.h.pdu_session_identity = test_sess->psi;
|
||
|
message.gsm.h.procedure_transaction_identity = test_sess->pti;
|
||
|
message.gsm.h.message_type = OGS_NAS_5GS_PDU_SESSION_RELEASE_COMPLETE;
|
||
|
|
||
|
return ogs_nas_5gs_plain_encode(&message);
|
||
|
}
|