forked from acouzens/open5gs
1719 lines
62 KiB
C
1719 lines
62 KiB
C
/*
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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 "ngap-path.h"
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static amf_context_t self;
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int __amf_log_domain;
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int __gmm_log_domain;
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static OGS_POOL(amf_gnb_pool, amf_gnb_t);
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static OGS_POOL(amf_ue_pool, amf_ue_t);
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static OGS_POOL(ran_ue_pool, ran_ue_t);
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static OGS_POOL(amf_sess_pool, amf_sess_t);
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static int context_initialized = 0;
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void amf_context_init(void)
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{
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ogs_assert(context_initialized == 0);
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/* Initialize AMF context */
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memset(&self, 0, sizeof(amf_context_t));
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ogs_log_install_domain(&__ogs_sctp_domain, "sctp", ogs_core()->log.level);
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ogs_log_install_domain(&__ogs_ngap_domain, "ngap", ogs_core()->log.level);
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ogs_log_install_domain(&__ogs_nas_domain, "nas", ogs_core()->log.level);
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ogs_log_install_domain(&__amf_log_domain, "amf", ogs_core()->log.level);
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ogs_log_install_domain(&__gmm_log_domain, "gmm", ogs_core()->log.level);
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ogs_list_init(&self.ngap_list);
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ogs_list_init(&self.ngap_list6);
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/* Allocate TWICE the pool to check if maximum number of gNBs is reached */
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ogs_pool_init(&amf_gnb_pool, ogs_config()->max.gnb*2);
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ogs_pool_init(&amf_ue_pool, ogs_config()->pool.ue);
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ogs_pool_init(&ran_ue_pool, ogs_config()->pool.ue);
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ogs_pool_init(&amf_sess_pool, ogs_config()->pool.sess);
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ogs_pool_init(&self.m_tmsi, ogs_config()->pool.ue);
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ogs_list_init(&self.gnb_list);
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ogs_list_init(&self.amf_ue_list);
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self.gnb_addr_hash = ogs_hash_make();
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self.gnb_id_hash = ogs_hash_make();
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self.amf_ue_ngap_id_hash = ogs_hash_make();
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self.guti_ue_hash = ogs_hash_make();
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self.suci_hash = ogs_hash_make();
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self.supi_hash = ogs_hash_make();
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context_initialized = 1;
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}
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void amf_context_final(void)
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{
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ogs_assert(context_initialized == 1);
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amf_gnb_remove_all();
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amf_ue_remove_all();
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ogs_assert(self.gnb_addr_hash);
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ogs_hash_destroy(self.gnb_addr_hash);
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ogs_assert(self.gnb_id_hash);
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ogs_hash_destroy(self.gnb_id_hash);
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ogs_assert(self.amf_ue_ngap_id_hash);
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ogs_hash_destroy(self.amf_ue_ngap_id_hash);
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ogs_assert(self.guti_ue_hash);
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ogs_hash_destroy(self.guti_ue_hash);
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ogs_assert(self.suci_hash);
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ogs_hash_destroy(self.suci_hash);
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ogs_assert(self.supi_hash);
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ogs_hash_destroy(self.supi_hash);
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ogs_pool_final(&self.m_tmsi);
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ogs_pool_final(&amf_sess_pool);
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ogs_pool_final(&amf_ue_pool);
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ogs_pool_final(&ran_ue_pool);
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ogs_pool_final(&amf_gnb_pool);
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context_initialized = 0;
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}
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amf_context_t *amf_self(void)
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{
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return &self;
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}
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static int amf_context_prepare(void)
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{
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self.nf_type = OpenAPI_nf_type_AMF;
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self.relative_capacity = 0xff;
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self.ngap_port = OGS_NGAP_SCTP_PORT;
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return OGS_OK;
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}
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static int amf_context_validation(void)
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{
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if (ogs_list_first(&self.ngap_list) == NULL &&
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ogs_list_first(&self.ngap_list6) == NULL) {
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ogs_error("No amf.ngap in '%s'", ogs_config()->file);
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return OGS_RETRY;
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}
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if (self.num_of_served_guami == 0) {
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ogs_error("No amf.guami in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.num_of_served_tai == 0) {
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ogs_error("No amf.tai in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.num_of_plmn_support == 0) {
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ogs_error("No amf.plmn in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.plmn_support[0].num_of_s_nssai == 0) {
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ogs_error("No amf.plmn.s_nssai in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.served_tai[0].list0.tai[0].num == 0 &&
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self.served_tai[0].list2.num == 0) {
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ogs_error("No amf.tai.plmn_id|tac in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.amf_name == NULL) {
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ogs_error("No amf.amf_name in '%s'", ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.num_of_integrity_order == 0) {
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ogs_error("No amf.security.integrity_order in '%s'",
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ogs_config()->file);
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return OGS_ERROR;
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}
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if (self.num_of_ciphering_order == 0) {
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ogs_error("no amf.security.ciphering_order in '%s'",
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ogs_config()->file);
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return OGS_ERROR;
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}
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return OGS_OK;
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}
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int amf_context_parse_config(void)
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{
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int rv;
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yaml_document_t *document = NULL;
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ogs_yaml_iter_t root_iter;
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document = ogs_config()->document;
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ogs_assert(document);
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rv = amf_context_prepare();
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if (rv != OGS_OK) return rv;
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ogs_yaml_iter_init(&root_iter, document);
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while (ogs_yaml_iter_next(&root_iter)) {
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const char *root_key = ogs_yaml_iter_key(&root_iter);
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ogs_assert(root_key);
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if (!strcmp(root_key, "amf")) {
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ogs_yaml_iter_t amf_iter;
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ogs_yaml_iter_recurse(&root_iter, &amf_iter);
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while (ogs_yaml_iter_next(&amf_iter)) {
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const char *amf_key = ogs_yaml_iter_key(&amf_iter);
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ogs_assert(amf_key);
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if (!strcmp(amf_key, "relative_capacity")) {
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const char *v = ogs_yaml_iter_value(&amf_iter);
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if (v) self.relative_capacity = atoi(v);
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} else if (!strcmp(amf_key, "ngap")) {
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ogs_yaml_iter_t ngap_array, ngap_iter;
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ogs_yaml_iter_recurse(&amf_iter, &ngap_array);
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do {
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int family = AF_UNSPEC;
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int i, num = 0;
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const char *hostname[OGS_MAX_NUM_OF_HOSTNAME];
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uint16_t port = self.ngap_port;
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const char *dev = NULL;
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ogs_sockaddr_t *addr = NULL;
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if (ogs_yaml_iter_type(&ngap_array) ==
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YAML_MAPPING_NODE) {
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memcpy(&ngap_iter, &ngap_array,
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sizeof(ogs_yaml_iter_t));
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} else if (ogs_yaml_iter_type(&ngap_array) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&ngap_array))
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break;
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ogs_yaml_iter_recurse(&ngap_array, &ngap_iter);
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} else if (ogs_yaml_iter_type(&ngap_array) ==
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YAML_SCALAR_NODE) {
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break;
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} else
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ogs_assert_if_reached();
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while (ogs_yaml_iter_next(&ngap_iter)) {
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const char *ngap_key =
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ogs_yaml_iter_key(&ngap_iter);
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ogs_assert(ngap_key);
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if (!strcmp(ngap_key, "family")) {
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const char *v = ogs_yaml_iter_value(&ngap_iter);
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if (v) family = atoi(v);
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if (family != AF_UNSPEC &&
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family != AF_INET && family != AF_INET6) {
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ogs_warn("Ignore family(%d) : "
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"AF_UNSPEC(%d), "
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"AF_INET(%d), AF_INET6(%d) ",
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family, AF_UNSPEC, AF_INET, AF_INET6);
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family = AF_UNSPEC;
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}
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} else if (!strcmp(ngap_key, "addr") ||
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!strcmp(ngap_key, "name")) {
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ogs_yaml_iter_t hostname_iter;
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ogs_yaml_iter_recurse(
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&ngap_iter, &hostname_iter);
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ogs_assert(ogs_yaml_iter_type(&hostname_iter) !=
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YAML_MAPPING_NODE);
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do {
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if (ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&hostname_iter))
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break;
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}
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ogs_assert(num <= OGS_MAX_NUM_OF_HOSTNAME);
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hostname[num++] =
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ogs_yaml_iter_value(&hostname_iter);
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} while (
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ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE);
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} else if (!strcmp(ngap_key, "port")) {
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const char *v = ogs_yaml_iter_value(&ngap_iter);
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if (v) port = atoi(v);
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} else if (!strcmp(ngap_key, "dev")) {
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dev = ogs_yaml_iter_value(&ngap_iter);
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} else
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ogs_warn("unknown key `%s`", ngap_key);
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}
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addr = NULL;
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for (i = 0; i < num; i++) {
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rv = ogs_addaddrinfo(&addr,
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family, hostname[i], port, 0);
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ogs_assert(rv == OGS_OK);
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}
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if (addr) {
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if (ogs_config()->parameter.no_ipv4 == 0)
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ogs_socknode_add(
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&self.ngap_list, AF_INET, addr);
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if (ogs_config()->parameter.no_ipv6 == 0)
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ogs_socknode_add(
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&self.ngap_list6, AF_INET6, addr);
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ogs_freeaddrinfo(addr);
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}
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if (dev) {
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rv = ogs_socknode_probe(
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ogs_config()->parameter.no_ipv4 ?
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NULL : &self.ngap_list,
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ogs_config()->parameter.no_ipv6 ?
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NULL : &self.ngap_list6,
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dev, port);
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ogs_assert(rv == OGS_OK);
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}
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} while (ogs_yaml_iter_type(&ngap_array) ==
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YAML_SEQUENCE_NODE);
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if (ogs_list_first(&self.ngap_list) == NULL &&
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ogs_list_first(&self.ngap_list6) == NULL) {
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rv = ogs_socknode_probe(
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ogs_config()->parameter.no_ipv4 ?
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NULL : &self.ngap_list,
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ogs_config()->parameter.no_ipv6 ?
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NULL : &self.ngap_list6,
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NULL, self.ngap_port);
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ogs_assert(rv == OGS_OK);
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}
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} else if (!strcmp(amf_key, "guami")) {
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ogs_yaml_iter_t guami_array, guami_iter;
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ogs_yaml_iter_recurse(&amf_iter, &guami_array);
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do {
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const char *mcc = NULL, *mnc = NULL;
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const char *region = NULL, *set = NULL;
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const char *pointer = NULL;
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ogs_assert(self.num_of_served_guami <=
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MAX_NUM_OF_SERVED_GUAMI);
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if (ogs_yaml_iter_type(&guami_array) ==
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YAML_MAPPING_NODE) {
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memcpy(&guami_iter, &guami_array,
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sizeof(ogs_yaml_iter_t));
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} else if (ogs_yaml_iter_type(&guami_array) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&guami_array))
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break;
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ogs_yaml_iter_recurse(&guami_array,
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&guami_iter);
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} else if (ogs_yaml_iter_type(&guami_array) ==
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YAML_SCALAR_NODE) {
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break;
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} else
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ogs_assert_if_reached();
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while (ogs_yaml_iter_next(&guami_iter)) {
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const char *guami_key =
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ogs_yaml_iter_key(&guami_iter);
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ogs_assert(guami_key);
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if (!strcmp(guami_key, "plmn_id")) {
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ogs_yaml_iter_t plmn_id_iter;
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ogs_yaml_iter_recurse(&guami_iter,
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&plmn_id_iter);
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while (ogs_yaml_iter_next(&plmn_id_iter)) {
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const char *plmn_id_key =
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ogs_yaml_iter_key(&plmn_id_iter);
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ogs_assert(plmn_id_key);
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if (!strcmp(plmn_id_key, "mcc")) {
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mcc = ogs_yaml_iter_value(
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&plmn_id_iter);
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} else if (!strcmp(plmn_id_key, "mnc")) {
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mnc = ogs_yaml_iter_value(
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&plmn_id_iter);
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}
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}
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if (mcc && mnc) {
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ogs_plmn_id_build(
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&self.served_guami[
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self.num_of_served_guami].
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plmn_id,
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atoi(mcc), atoi(mnc), strlen(mnc));
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}
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} else if (!strcmp(guami_key, "amf_id")) {
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ogs_yaml_iter_t amf_id_iter;
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ogs_yaml_iter_recurse(&guami_iter,
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&amf_id_iter);
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while (ogs_yaml_iter_next(&amf_id_iter)) {
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const char *amf_id_key =
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ogs_yaml_iter_key(&amf_id_iter);
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ogs_assert(amf_id_key);
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if (!strcmp(amf_id_key, "region")) {
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region = ogs_yaml_iter_value(
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&amf_id_iter);
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} else if (!strcmp(amf_id_key, "set")) {
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set = ogs_yaml_iter_value(
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&amf_id_iter);
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} else if (!strcmp(amf_id_key, "pointer")) {
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pointer = ogs_yaml_iter_value(
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&amf_id_iter);
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}
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}
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if (region && set) {
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ogs_amf_id_build(
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&self.served_guami[
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self.num_of_served_guami].
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amf_id,
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atoi(region), atoi(set),
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pointer ? atoi(pointer) : 0);
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}
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} else
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ogs_warn("unknown key `%s`", guami_key);
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}
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if (mnc && mcc && region && set) {
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self.num_of_served_guami++;
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} else {
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ogs_warn("Ignore guami : "
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"mcc(%s), mnc(%s), region(%s), set(%s)",
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mcc, mnc, region, set);
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}
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} while (ogs_yaml_iter_type(&guami_array) ==
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YAML_SEQUENCE_NODE);
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} else if (!strcmp(amf_key, "tai")) {
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int num_of_list0 = 0;
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ogs_5gs_tai0_list_t *list0 = NULL;
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ogs_5gs_tai2_list_t *list2 = NULL;
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ogs_assert(self.num_of_served_tai <=
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OGS_MAX_NUM_OF_SERVED_TAI);
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list0 = &self.served_tai[self.num_of_served_tai].list0;
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ogs_assert(list0);
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list2 = &self.served_tai[self.num_of_served_tai].list2;
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ogs_assert(list2);
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ogs_yaml_iter_t tai_array, tai_iter;
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ogs_yaml_iter_recurse(&amf_iter, &tai_array);
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do {
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const char *mcc = NULL, *mnc = NULL;
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ogs_uint24_t tac[OGS_MAX_NUM_OF_TAI];
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int num_of_tac = 0;
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if (ogs_yaml_iter_type(&tai_array) ==
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YAML_MAPPING_NODE) {
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memcpy(&tai_iter, &tai_array,
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sizeof(ogs_yaml_iter_t));
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} else if (ogs_yaml_iter_type(&tai_array) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&tai_array))
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break;
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ogs_yaml_iter_recurse(&tai_array,
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&tai_iter);
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} else if (ogs_yaml_iter_type(&tai_array) ==
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YAML_SCALAR_NODE) {
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break;
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} else
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ogs_assert_if_reached();
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while (ogs_yaml_iter_next(&tai_iter)) {
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const char *tai_key = ogs_yaml_iter_key(&tai_iter);
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ogs_assert(tai_key);
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if (!strcmp(tai_key, "plmn_id")) {
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ogs_yaml_iter_t plmn_id_iter;
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ogs_yaml_iter_recurse(&tai_iter, &plmn_id_iter);
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while (ogs_yaml_iter_next(&plmn_id_iter)) {
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const char *plmn_id_key =
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ogs_yaml_iter_key(&plmn_id_iter);
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ogs_assert(plmn_id_key);
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if (!strcmp(plmn_id_key, "mcc")) {
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mcc = ogs_yaml_iter_value(
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&plmn_id_iter);
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} else if (!strcmp(plmn_id_key, "mnc")) {
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mnc = ogs_yaml_iter_value(
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&plmn_id_iter);
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}
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}
|
|
} else if (!strcmp(tai_key, "tac")) {
|
|
ogs_yaml_iter_t tac_iter;
|
|
ogs_yaml_iter_recurse(&tai_iter, &tac_iter);
|
|
ogs_assert(ogs_yaml_iter_type(&tac_iter) !=
|
|
YAML_MAPPING_NODE);
|
|
|
|
do {
|
|
const char *v = NULL;
|
|
|
|
ogs_assert(num_of_tac <=
|
|
OGS_MAX_NUM_OF_TAI);
|
|
if (ogs_yaml_iter_type(&tac_iter) ==
|
|
YAML_SEQUENCE_NODE) {
|
|
if (!ogs_yaml_iter_next(&tac_iter))
|
|
break;
|
|
}
|
|
|
|
v = ogs_yaml_iter_value(&tac_iter);
|
|
if (v) {
|
|
tac[num_of_tac].v = atoi(v);
|
|
num_of_tac++;
|
|
}
|
|
} while (
|
|
ogs_yaml_iter_type(&tac_iter) ==
|
|
YAML_SEQUENCE_NODE);
|
|
} else
|
|
ogs_warn("unknown key `%s`", tai_key);
|
|
}
|
|
|
|
if (mcc && mnc && num_of_tac) {
|
|
if (num_of_tac == 1) {
|
|
ogs_plmn_id_build(
|
|
&list2->tai[list2->num].plmn_id,
|
|
atoi(mcc), atoi(mnc), strlen(mnc));
|
|
list2->tai[list2->num].tac.v = tac[0].v;
|
|
|
|
list2->num++;
|
|
if (list2->num > 1)
|
|
list2->type = OGS_TAI2_TYPE;
|
|
else
|
|
list2->type = OGS_TAI1_TYPE;
|
|
} else if (num_of_tac > 1) {
|
|
int i;
|
|
ogs_plmn_id_build(
|
|
&list0->tai[num_of_list0].plmn_id,
|
|
atoi(mcc), atoi(mnc), strlen(mnc));
|
|
for (i = 0; i < num_of_tac; i++) {
|
|
list0->tai[num_of_list0].tac[i].v =
|
|
tac[i].v;
|
|
}
|
|
|
|
list0->tai[num_of_list0].num = num_of_tac;
|
|
list0->tai[num_of_list0].type = OGS_TAI0_TYPE;
|
|
|
|
num_of_list0++;
|
|
}
|
|
} else {
|
|
ogs_warn("Ignore tai : mcc(%p), mnc(%p), "
|
|
"num_of_tac(%d)", mcc, mnc, num_of_tac);
|
|
}
|
|
} while (ogs_yaml_iter_type(&tai_array) ==
|
|
YAML_SEQUENCE_NODE);
|
|
|
|
if (list2->num || num_of_list0) {
|
|
self.num_of_served_tai++;
|
|
}
|
|
} else if (!strcmp(amf_key, "plmn")) {
|
|
ogs_yaml_iter_t plmn_array, plmn_iter;
|
|
ogs_yaml_iter_recurse(&amf_iter, &plmn_array);
|
|
do {
|
|
const char *mnc = NULL, *mcc = NULL;
|
|
ogs_assert(self.num_of_plmn_support <=
|
|
OGS_MAX_NUM_OF_PLMN);
|
|
|
|
if (ogs_yaml_iter_type(&plmn_array) ==
|
|
YAML_MAPPING_NODE) {
|
|
memcpy(&plmn_iter, &plmn_array,
|
|
sizeof(ogs_yaml_iter_t));
|
|
} else if (ogs_yaml_iter_type(&plmn_array) ==
|
|
YAML_SEQUENCE_NODE) {
|
|
if (!ogs_yaml_iter_next(&plmn_array))
|
|
break;
|
|
ogs_yaml_iter_recurse(&plmn_array,
|
|
&plmn_iter);
|
|
} else if (ogs_yaml_iter_type(&plmn_array) ==
|
|
YAML_SCALAR_NODE) {
|
|
break;
|
|
} else
|
|
ogs_assert_if_reached();
|
|
|
|
while (ogs_yaml_iter_next(&plmn_iter)) {
|
|
const char *plmn_key =
|
|
ogs_yaml_iter_key(&plmn_iter);
|
|
ogs_assert(plmn_key);
|
|
if (!strcmp(plmn_key, "plmn_id")) {
|
|
ogs_yaml_iter_t plmn_id_iter;
|
|
|
|
ogs_yaml_iter_recurse(&plmn_iter,
|
|
&plmn_id_iter);
|
|
while (ogs_yaml_iter_next(&plmn_id_iter)) {
|
|
const char *plmn_id_key =
|
|
ogs_yaml_iter_key(&plmn_id_iter);
|
|
ogs_assert(plmn_id_key);
|
|
if (!strcmp(plmn_id_key, "mcc")) {
|
|
mcc = ogs_yaml_iter_value(
|
|
&plmn_id_iter);
|
|
} else if (!strcmp(plmn_id_key, "mnc")) {
|
|
mnc = ogs_yaml_iter_value(
|
|
&plmn_id_iter);
|
|
}
|
|
}
|
|
|
|
if (mcc && mnc) {
|
|
ogs_plmn_id_build(
|
|
&self.plmn_support[
|
|
self.num_of_plmn_support].
|
|
plmn_id,
|
|
atoi(mcc), atoi(mnc), strlen(mnc));
|
|
}
|
|
} else if (!strcmp(plmn_key, "s_nssai")) {
|
|
ogs_yaml_iter_t s_nssai_array, s_nssai_iter;
|
|
ogs_yaml_iter_recurse(&plmn_iter,
|
|
&s_nssai_array);
|
|
do {
|
|
ogs_s_nssai_t *s_nssai = NULL;
|
|
const char *sst = NULL, *sd = NULL;
|
|
ogs_assert(
|
|
self.plmn_support[
|
|
self.num_of_plmn_support].
|
|
num_of_s_nssai <=
|
|
OGS_MAX_NUM_OF_S_NSSAI);
|
|
s_nssai = &self.plmn_support[
|
|
self.num_of_plmn_support].s_nssai[
|
|
self.plmn_support[
|
|
self.num_of_plmn_support].
|
|
num_of_s_nssai];
|
|
ogs_assert(s_nssai);
|
|
|
|
if (ogs_yaml_iter_type(&s_nssai_array) ==
|
|
YAML_MAPPING_NODE) {
|
|
memcpy(&s_nssai_iter, &s_nssai_array,
|
|
sizeof(ogs_yaml_iter_t));
|
|
} else if (ogs_yaml_iter_type(
|
|
&s_nssai_array) ==
|
|
YAML_SEQUENCE_NODE) {
|
|
if (!ogs_yaml_iter_next(&s_nssai_array))
|
|
break;
|
|
ogs_yaml_iter_recurse(&s_nssai_array,
|
|
&s_nssai_iter);
|
|
} else if (ogs_yaml_iter_type(
|
|
&s_nssai_array) ==
|
|
YAML_SCALAR_NODE) {
|
|
break;
|
|
} else
|
|
ogs_assert_if_reached();
|
|
|
|
while (ogs_yaml_iter_next(&s_nssai_iter)) {
|
|
const char *s_nssai_key =
|
|
ogs_yaml_iter_key(&s_nssai_iter);
|
|
ogs_assert(s_nssai_key);
|
|
if (!strcmp(s_nssai_key, "sst")) {
|
|
sst = ogs_yaml_iter_value(
|
|
&s_nssai_iter);
|
|
} else if (!strcmp(
|
|
s_nssai_key, "sd")) {
|
|
sd = ogs_yaml_iter_value(
|
|
&s_nssai_iter);
|
|
}
|
|
}
|
|
|
|
if (sst) {
|
|
s_nssai->sst = atoi(sst);
|
|
if (sd)
|
|
s_nssai->sd =
|
|
ogs_uint24_from_string(
|
|
(char*)sd);
|
|
else
|
|
s_nssai->sd.v =
|
|
OGS_S_NSSAI_NO_SD_VALUE;
|
|
|
|
s_nssai->mapped_hplmn_sst = 0;
|
|
s_nssai->mapped_hplmn_sd.v =
|
|
OGS_S_NSSAI_NO_SD_VALUE;
|
|
|
|
self.plmn_support[
|
|
self.num_of_plmn_support].
|
|
num_of_s_nssai++;
|
|
}
|
|
|
|
} while (ogs_yaml_iter_type(&s_nssai_array) ==
|
|
YAML_SEQUENCE_NODE);
|
|
} else
|
|
ogs_warn("unknown key `%s`", plmn_key);
|
|
}
|
|
|
|
if (self.plmn_support[
|
|
self.num_of_plmn_support].num_of_s_nssai &&
|
|
mcc && mnc) {
|
|
self.num_of_plmn_support++;
|
|
} else {
|
|
ogs_warn("Ignore plmn : "
|
|
"s_nssai(%d) mcc(%s), mnc(%s)",
|
|
self.plmn_support[
|
|
self.num_of_plmn_support].num_of_s_nssai,
|
|
mcc, mnc);
|
|
self.plmn_support[
|
|
self.num_of_plmn_support].num_of_s_nssai = 0;
|
|
}
|
|
} while (ogs_yaml_iter_type(&plmn_array) ==
|
|
YAML_SEQUENCE_NODE);
|
|
} else if (!strcmp(amf_key, "security")) {
|
|
ogs_yaml_iter_t security_iter;
|
|
ogs_yaml_iter_recurse(&amf_iter, &security_iter);
|
|
while (ogs_yaml_iter_next(&security_iter)) {
|
|
const char *security_key =
|
|
ogs_yaml_iter_key(&security_iter);
|
|
ogs_assert(security_key);
|
|
if (!strcmp(security_key, "integrity_order")) {
|
|
ogs_yaml_iter_t integrity_order_iter;
|
|
ogs_yaml_iter_recurse(&security_iter,
|
|
&integrity_order_iter);
|
|
ogs_assert(ogs_yaml_iter_type(
|
|
&integrity_order_iter) !=
|
|
YAML_MAPPING_NODE);
|
|
|
|
do {
|
|
const char *v = NULL;
|
|
|
|
if (ogs_yaml_iter_type(&integrity_order_iter) ==
|
|
YAML_SEQUENCE_NODE) {
|
|
if (!ogs_yaml_iter_next(
|
|
&integrity_order_iter))
|
|
break;
|
|
}
|
|
|
|
v = ogs_yaml_iter_value(&integrity_order_iter);
|
|
if (v) {
|
|
int integrity_index =
|
|
self.num_of_integrity_order;
|
|
if (strcmp(v, "NIA0") == 0) {
|
|
self.integrity_order[integrity_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_NIA0;
|
|
self.num_of_integrity_order++;
|
|
} else if (strcmp(v, "NIA1") == 0) {
|
|
self.integrity_order[integrity_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NIA1;
|
|
self.num_of_integrity_order++;
|
|
} else if (strcmp(v, "NIA2") == 0) {
|
|
self.integrity_order[integrity_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NIA2;
|
|
self.num_of_integrity_order++;
|
|
} else if (strcmp(v, "NIA3") == 0) {
|
|
self.integrity_order[integrity_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NIA3;
|
|
self.num_of_integrity_order++;
|
|
}
|
|
}
|
|
} while (
|
|
ogs_yaml_iter_type(&integrity_order_iter) ==
|
|
YAML_SEQUENCE_NODE);
|
|
} else if (!strcmp(security_key, "ciphering_order")) {
|
|
ogs_yaml_iter_t ciphering_order_iter;
|
|
ogs_yaml_iter_recurse(&security_iter,
|
|
&ciphering_order_iter);
|
|
ogs_assert(ogs_yaml_iter_type(
|
|
&ciphering_order_iter) != YAML_MAPPING_NODE);
|
|
|
|
do {
|
|
const char *v = NULL;
|
|
|
|
if (ogs_yaml_iter_type(&ciphering_order_iter) ==
|
|
YAML_SEQUENCE_NODE) {
|
|
if (!ogs_yaml_iter_next(
|
|
&ciphering_order_iter))
|
|
break;
|
|
}
|
|
|
|
v = ogs_yaml_iter_value(&ciphering_order_iter);
|
|
if (v) {
|
|
int ciphering_index =
|
|
self.num_of_ciphering_order;
|
|
if (strcmp(v, "NEA0") == 0) {
|
|
self.ciphering_order[ciphering_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_NEA0;
|
|
self.num_of_ciphering_order++;
|
|
} else if (strcmp(v, "NEA1") == 0) {
|
|
self.ciphering_order[ciphering_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NEA1;
|
|
self.num_of_ciphering_order++;
|
|
} else if (strcmp(v, "NEA2") == 0) {
|
|
self.ciphering_order[ciphering_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NEA2;
|
|
self.num_of_ciphering_order++;
|
|
} else if (strcmp(v, "NEA3") == 0) {
|
|
self.ciphering_order[ciphering_index] =
|
|
OGS_NAS_SECURITY_ALGORITHMS_128_NEA3;
|
|
self.num_of_ciphering_order++;
|
|
}
|
|
}
|
|
} while (
|
|
ogs_yaml_iter_type(&ciphering_order_iter) ==
|
|
YAML_SEQUENCE_NODE);
|
|
}
|
|
}
|
|
} else if (!strcmp(amf_key, "network_name")) {
|
|
ogs_yaml_iter_t network_name_iter;
|
|
ogs_yaml_iter_recurse(&amf_iter, &network_name_iter);
|
|
|
|
while (ogs_yaml_iter_next(&network_name_iter)) {
|
|
const char *network_name_key =
|
|
ogs_yaml_iter_key(&network_name_iter);
|
|
ogs_assert(network_name_key);
|
|
if (!strcmp(network_name_key, "full")) {
|
|
ogs_nas_network_name_t *network_full_name =
|
|
&self.full_name;
|
|
const char *c_network_name =
|
|
ogs_yaml_iter_value(&network_name_iter);
|
|
uint8_t size = strlen(c_network_name);
|
|
uint8_t i;
|
|
for (i = 0;i<size;i++) {
|
|
/* Workaround to convert the ASCII to USC-2 */
|
|
network_full_name->name[i*2] = 0;
|
|
network_full_name->name[(i*2)+1] =
|
|
c_network_name[i];
|
|
|
|
}
|
|
network_full_name->length = size*2+1;
|
|
network_full_name->coding_scheme = 1;
|
|
} else if (!strcmp(network_name_key, "short")) {
|
|
ogs_nas_network_name_t *network_short_name =
|
|
&self.short_name;
|
|
const char *c_network_name =
|
|
ogs_yaml_iter_value(&network_name_iter);
|
|
uint8_t size = strlen(c_network_name);
|
|
uint8_t i;
|
|
for (i = 0;i<size;i++) {
|
|
/* Workaround to convert the ASCII to USC-2 */
|
|
network_short_name->name[i*2] = 0;
|
|
network_short_name->name[(i*2)+1] =
|
|
c_network_name[i];
|
|
|
|
}
|
|
network_short_name->length = size*2+1;
|
|
network_short_name->coding_scheme = 1;
|
|
}
|
|
}
|
|
} else if (!strcmp(amf_key, "amf_name")) {
|
|
self.amf_name = ogs_yaml_iter_value(&amf_iter);
|
|
} else if (!strcmp(amf_key, "sbi")) {
|
|
/* handle config in sbi library */
|
|
} else
|
|
ogs_warn("unknown key `%s`", amf_key);
|
|
}
|
|
}
|
|
}
|
|
|
|
rv = amf_context_validation();
|
|
if (rv != OGS_OK) return rv;
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
amf_gnb_t *amf_gnb_add(ogs_sock_t *sock, ogs_sockaddr_t *addr)
|
|
{
|
|
amf_gnb_t *gnb = NULL;
|
|
amf_event_t e;
|
|
|
|
ogs_assert(sock);
|
|
ogs_assert(addr);
|
|
|
|
ogs_pool_alloc(&amf_gnb_pool, &gnb);
|
|
ogs_assert(gnb);
|
|
memset(gnb, 0, sizeof *gnb);
|
|
|
|
gnb->sock = sock;
|
|
gnb->addr = addr;
|
|
gnb->sock_type = amf_gnb_sock_type(gnb->sock);
|
|
|
|
gnb->max_num_of_ostreams = DEFAULT_SCTP_MAX_NUM_OF_OSTREAMS;
|
|
gnb->ostream_id = 0;
|
|
if (ogs_config()->sockopt.sctp.max_num_of_ostreams) {
|
|
gnb->max_num_of_ostreams =
|
|
ogs_config()->sockopt.sctp.max_num_of_ostreams;
|
|
ogs_info("[GNB] max_num_of_ostreams : %d", gnb->max_num_of_ostreams);
|
|
}
|
|
|
|
ogs_list_init(&gnb->ran_ue_list);
|
|
|
|
if (gnb->sock_type == SOCK_STREAM) {
|
|
gnb->poll = ogs_pollset_add(amf_self()->pollset,
|
|
OGS_POLLIN, sock->fd, ngap_recv_upcall, sock);
|
|
ogs_assert(gnb->poll);
|
|
}
|
|
|
|
ogs_hash_set(self.gnb_addr_hash, gnb->addr, sizeof(ogs_sockaddr_t), gnb);
|
|
|
|
memset(&e, 0, sizeof(e));
|
|
e.gnb = gnb;
|
|
ogs_fsm_create(&gnb->sm, ngap_state_initial, ngap_state_final);
|
|
ogs_fsm_init(&gnb->sm, &e);
|
|
|
|
ogs_list_add(&self.gnb_list, gnb);
|
|
|
|
return gnb;
|
|
}
|
|
|
|
int amf_gnb_remove(amf_gnb_t *gnb)
|
|
{
|
|
amf_event_t e;
|
|
|
|
ogs_assert(gnb);
|
|
ogs_assert(gnb->sock);
|
|
|
|
ogs_list_remove(&self.gnb_list, gnb);
|
|
|
|
memset(&e, 0, sizeof(e));
|
|
e.gnb = gnb;
|
|
ogs_fsm_fini(&gnb->sm, &e);
|
|
ogs_fsm_delete(&gnb->sm);
|
|
|
|
ogs_hash_set(self.gnb_addr_hash, gnb->addr, sizeof(ogs_sockaddr_t), NULL);
|
|
ogs_hash_set(self.gnb_id_hash, &gnb->gnb_id, sizeof(gnb->gnb_id), NULL);
|
|
|
|
ran_ue_remove_in_gnb(gnb);
|
|
|
|
if (gnb->sock_type == SOCK_STREAM) {
|
|
ogs_pollset_remove(gnb->poll);
|
|
ogs_sctp_destroy(gnb->sock);
|
|
}
|
|
|
|
ogs_free(gnb->addr);
|
|
|
|
ogs_pool_free(&amf_gnb_pool, gnb);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
int amf_gnb_remove_all()
|
|
{
|
|
amf_gnb_t *gnb = NULL, *next_gnb = NULL;
|
|
|
|
ogs_list_for_each_safe(&self.gnb_list, next_gnb, gnb)
|
|
amf_gnb_remove(gnb);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
amf_gnb_t *amf_gnb_find_by_addr(ogs_sockaddr_t *addr)
|
|
{
|
|
ogs_assert(addr);
|
|
return (amf_gnb_t *)ogs_hash_get(self.gnb_addr_hash,
|
|
addr, sizeof(ogs_sockaddr_t));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
amf_gnb_t *amf_gnb_find_by_gnb_id(uint32_t gnb_id)
|
|
{
|
|
return (amf_gnb_t *)ogs_hash_get(self.gnb_id_hash, &gnb_id, sizeof(gnb_id));
|
|
}
|
|
|
|
int amf_gnb_set_gnb_id(amf_gnb_t *gnb, uint32_t gnb_id)
|
|
{
|
|
ogs_assert(gnb);
|
|
|
|
gnb->gnb_id = gnb_id;
|
|
ogs_hash_set(self.gnb_id_hash, &gnb->gnb_id, sizeof(gnb->gnb_id), gnb);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
int amf_gnb_sock_type(ogs_sock_t *sock)
|
|
{
|
|
ogs_socknode_t *snode = NULL;
|
|
|
|
ogs_assert(sock);
|
|
|
|
ogs_list_for_each(&amf_self()->ngap_list, snode)
|
|
if (snode->sock == sock) return SOCK_SEQPACKET;
|
|
|
|
ogs_list_for_each(&amf_self()->ngap_list6, snode)
|
|
if (snode->sock == sock) return SOCK_SEQPACKET;
|
|
|
|
return SOCK_STREAM;
|
|
}
|
|
|
|
/** ran_ue_context handling function */
|
|
ran_ue_t *ran_ue_add(amf_gnb_t *gnb, uint32_t ran_ue_ngap_id)
|
|
{
|
|
ran_ue_t *ran_ue = NULL;
|
|
|
|
ogs_assert(self.amf_ue_ngap_id_hash);
|
|
ogs_assert(gnb);
|
|
|
|
ogs_pool_alloc(&ran_ue_pool, &ran_ue);
|
|
ogs_assert(ran_ue);
|
|
memset(ran_ue, 0, sizeof *ran_ue);
|
|
|
|
ran_ue->ran_ue_ngap_id = ran_ue_ngap_id;
|
|
ran_ue->amf_ue_ngap_id = OGS_NEXT_ID(self.amf_ue_ngap_id, 1, 0xffffffff);
|
|
|
|
/*
|
|
* SCTP output stream identification
|
|
* Default ogs_config()->parameter.sctp_streams : 30
|
|
* 0 : Non UE signalling
|
|
* 1-29 : UE specific association
|
|
*/
|
|
ran_ue->gnb_ostream_id =
|
|
OGS_NEXT_ID(gnb->ostream_id, 1, gnb->max_num_of_ostreams-1);
|
|
|
|
ran_ue->gnb = gnb;
|
|
|
|
ogs_hash_set(self.amf_ue_ngap_id_hash, &ran_ue->amf_ue_ngap_id,
|
|
sizeof(ran_ue->amf_ue_ngap_id), ran_ue);
|
|
ogs_list_add(&gnb->ran_ue_list, ran_ue);
|
|
|
|
return ran_ue;
|
|
}
|
|
|
|
unsigned int ran_ue_count()
|
|
{
|
|
ogs_assert(self.amf_ue_ngap_id_hash);
|
|
return ogs_hash_count(self.amf_ue_ngap_id_hash);
|
|
}
|
|
|
|
void ran_ue_remove(ran_ue_t *ran_ue)
|
|
{
|
|
ogs_assert(self.amf_ue_ngap_id_hash);
|
|
ogs_assert(ran_ue);
|
|
ogs_assert(ran_ue->gnb);
|
|
|
|
/* De-associate S1 with NAS/EMM */
|
|
ran_ue_deassociate(ran_ue);
|
|
|
|
ogs_list_remove(&ran_ue->gnb->ran_ue_list, ran_ue);
|
|
ogs_hash_set(self.amf_ue_ngap_id_hash, &ran_ue->amf_ue_ngap_id,
|
|
sizeof(ran_ue->amf_ue_ngap_id), NULL);
|
|
|
|
ogs_pool_free(&ran_ue_pool, ran_ue);
|
|
}
|
|
|
|
void ran_ue_remove_in_gnb(amf_gnb_t *gnb)
|
|
{
|
|
ran_ue_t *ran_ue = NULL, *next_ran_ue = NULL;
|
|
|
|
ran_ue = ran_ue_first_in_gnb(gnb);
|
|
while (ran_ue) {
|
|
next_ran_ue = ran_ue_next_in_gnb(ran_ue);
|
|
|
|
ran_ue_remove(ran_ue);
|
|
|
|
ran_ue = next_ran_ue;
|
|
}
|
|
}
|
|
|
|
void ran_ue_switch_to_gnb(ran_ue_t *ran_ue, amf_gnb_t *new_gnb)
|
|
{
|
|
ogs_assert(ran_ue);
|
|
ogs_assert(ran_ue->gnb);
|
|
ogs_assert(new_gnb);
|
|
|
|
/* Remove from the old gnb */
|
|
ogs_list_remove(&ran_ue->gnb->ran_ue_list, ran_ue);
|
|
|
|
/* Add to the new gnb */
|
|
ogs_list_add(&new_gnb->ran_ue_list, ran_ue);
|
|
|
|
/* Switch to gnb */
|
|
ran_ue->gnb = new_gnb;
|
|
}
|
|
|
|
ran_ue_t *ran_ue_find_by_ran_ue_ngap_id(
|
|
amf_gnb_t *gnb, uint32_t ran_ue_ngap_id)
|
|
{
|
|
ran_ue_t *ran_ue = NULL;
|
|
|
|
ran_ue = ran_ue_first_in_gnb(gnb);
|
|
while (ran_ue) {
|
|
if (ran_ue_ngap_id == ran_ue->ran_ue_ngap_id)
|
|
break;
|
|
|
|
ran_ue = ran_ue_next_in_gnb(ran_ue);
|
|
}
|
|
|
|
return ran_ue;
|
|
}
|
|
|
|
ran_ue_t *ran_ue_find_by_amf_ue_ngap_id(uint64_t amf_ue_ngap_id)
|
|
{
|
|
ogs_assert(self.amf_ue_ngap_id_hash);
|
|
return ogs_hash_get(self.amf_ue_ngap_id_hash,
|
|
&amf_ue_ngap_id, sizeof(amf_ue_ngap_id));
|
|
}
|
|
|
|
ran_ue_t *ran_ue_first_in_gnb(amf_gnb_t *gnb)
|
|
{
|
|
return ogs_list_first(&gnb->ran_ue_list);
|
|
}
|
|
|
|
ran_ue_t *ran_ue_next_in_gnb(ran_ue_t *ran_ue)
|
|
{
|
|
return ogs_list_next(ran_ue);
|
|
}
|
|
|
|
static int amf_ue_new_guti(amf_ue_t *amf_ue)
|
|
{
|
|
if (amf_ue->m_tmsi) {
|
|
/* AMF has a VALID GUTI
|
|
* As such, we need to remove previous GUTI in hash table */
|
|
ogs_hash_set(self.guti_ue_hash,
|
|
&amf_ue->guti, sizeof(ogs_nas_5gs_guti_t), NULL);
|
|
ogs_assert(amf_m_tmsi_free(amf_ue->m_tmsi) == OGS_OK);
|
|
}
|
|
|
|
memset(&amf_ue->guti, 0, sizeof(ogs_nas_5gs_guti_t));
|
|
|
|
ogs_assert(amf_ue->guami);
|
|
ogs_nas_from_plmn_id(&amf_ue->guti.nas_plmn_id, &amf_ue->guami->plmn_id);
|
|
memcpy(&amf_ue->guti.amf_id, &amf_ue->guami->amf_id, sizeof(ogs_amf_id_t));
|
|
|
|
amf_ue->m_tmsi = amf_m_tmsi_alloc();
|
|
ogs_assert(amf_ue->m_tmsi);
|
|
amf_ue->guti.m_tmsi = *(amf_ue->m_tmsi);
|
|
ogs_hash_set(self.guti_ue_hash,
|
|
&amf_ue->guti, sizeof(ogs_nas_5gs_guti_t), amf_ue);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
amf_ue_t *amf_ue_add(ran_ue_t *ran_ue)
|
|
{
|
|
amf_gnb_t *gnb = NULL;
|
|
amf_ue_t *amf_ue = NULL;
|
|
amf_event_t e;
|
|
|
|
ogs_assert(ran_ue);
|
|
gnb = ran_ue->gnb;
|
|
ogs_assert(gnb);
|
|
|
|
ogs_pool_alloc(&amf_ue_pool, &amf_ue);
|
|
ogs_assert(amf_ue);
|
|
memset(amf_ue, 0, sizeof *amf_ue);
|
|
|
|
ogs_list_init(&amf_ue->sess_list);
|
|
|
|
/* TODO : Hard-coded */
|
|
amf_ue->guami = &amf_self()->served_guami[0];
|
|
amf_ue->nas.access_type = OGS_ACCESS_TYPE_3GPP;
|
|
amf_ue->abba_len = 2;
|
|
|
|
/* Create New GUTI */
|
|
amf_ue_new_guti(amf_ue);
|
|
|
|
/* Add All Timers */
|
|
amf_ue->t3513.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3513_expire, amf_ue);
|
|
amf_ue->t3513.pkbuf = NULL;
|
|
amf_ue->t3522.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3522_expire, amf_ue);
|
|
amf_ue->t3522.pkbuf = NULL;
|
|
amf_ue->t3550.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3550_expire, amf_ue);
|
|
amf_ue->t3550.pkbuf = NULL;
|
|
amf_ue->t3555.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3555_expire, amf_ue);
|
|
amf_ue->t3555.pkbuf = NULL;
|
|
amf_ue->t3560.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3560_expire, amf_ue);
|
|
amf_ue->t3560.pkbuf = NULL;
|
|
amf_ue->t3570.timer = ogs_timer_add(
|
|
self.timer_mgr, amf_timer_t3570_expire, amf_ue);
|
|
amf_ue->t3570.pkbuf = NULL;
|
|
|
|
/* Create FSM */
|
|
memset(&e, 0, sizeof(e));
|
|
e.amf_ue = amf_ue;
|
|
ogs_fsm_create(&amf_ue->sm, gmm_state_initial, gmm_state_final);
|
|
ogs_fsm_init(&amf_ue->sm, &e);
|
|
|
|
ogs_list_add(&self.amf_ue_list, amf_ue);
|
|
|
|
return amf_ue;
|
|
}
|
|
|
|
void amf_ue_remove(amf_ue_t *amf_ue)
|
|
{
|
|
int i;
|
|
amf_event_t e;
|
|
|
|
ogs_assert(amf_ue);
|
|
|
|
ogs_list_remove(&self.amf_ue_list, amf_ue);
|
|
|
|
memset(&e, 0, sizeof(e));
|
|
e.amf_ue = amf_ue;
|
|
ogs_fsm_fini(&amf_ue->sm, &e);
|
|
ogs_fsm_delete(&amf_ue->sm);
|
|
|
|
/* Clear hash table */
|
|
if (amf_ue->m_tmsi) {
|
|
ogs_hash_set(self.guti_ue_hash,
|
|
&amf_ue->guti, sizeof(ogs_nas_5gs_guti_t), NULL);
|
|
ogs_assert(amf_m_tmsi_free(amf_ue->m_tmsi) == OGS_OK);
|
|
}
|
|
if (amf_ue->suci) {
|
|
ogs_hash_set(self.suci_hash, amf_ue->suci, strlen(amf_ue->suci), NULL);
|
|
ogs_free(amf_ue->suci);
|
|
}
|
|
if (amf_ue->supi) {
|
|
ogs_hash_set(self.supi_hash, amf_ue->supi, strlen(amf_ue->supi), NULL);
|
|
ogs_free(amf_ue->supi);
|
|
}
|
|
|
|
if (amf_ue->pei)
|
|
ogs_free(amf_ue->pei);
|
|
|
|
for (i = 0; i < amf_ue->num_of_msisdn; i++) {
|
|
ogs_assert(amf_ue->msisdn[i]);
|
|
ogs_free(amf_ue->msisdn[i]);
|
|
}
|
|
|
|
if (amf_ue->confirmation_url_for_5g_aka)
|
|
ogs_free(amf_ue->confirmation_url_for_5g_aka);
|
|
|
|
/* Free UeRadioCapability */
|
|
OGS_ASN_CLEAR_DATA(&amf_ue->ueRadioCapability);
|
|
|
|
/* Clear Transparent Container */
|
|
OGS_ASN_CLEAR_DATA(&amf_ue->container);
|
|
|
|
/* Delete All Timers */
|
|
CLEAR_AMF_UE_ALL_TIMERS(amf_ue);
|
|
ogs_timer_delete(amf_ue->t3513.timer);
|
|
ogs_timer_delete(amf_ue->t3522.timer);
|
|
ogs_timer_delete(amf_ue->t3550.timer);
|
|
ogs_timer_delete(amf_ue->t3555.timer);
|
|
ogs_timer_delete(amf_ue->t3560.timer);
|
|
ogs_timer_delete(amf_ue->t3570.timer);
|
|
|
|
/* Free SBI object memory */
|
|
ogs_sbi_object_free(&amf_ue->sbi);
|
|
|
|
amf_ue_deassociate(amf_ue);
|
|
|
|
amf_sess_remove_all(amf_ue);
|
|
|
|
ogs_pool_free(&amf_ue_pool, amf_ue);
|
|
}
|
|
|
|
void amf_ue_remove_all()
|
|
{
|
|
amf_ue_t *amf_ue = NULL, *next = NULL;;
|
|
|
|
ogs_list_for_each_safe(&self.amf_ue_list, next, amf_ue)
|
|
amf_ue_remove(amf_ue);
|
|
}
|
|
|
|
amf_ue_t *amf_ue_find_by_guti(ogs_nas_5gs_guti_t *guti)
|
|
{
|
|
ogs_assert(guti);
|
|
|
|
return (amf_ue_t *)ogs_hash_get(
|
|
self.guti_ue_hash, guti, sizeof(ogs_nas_5gs_guti_t));
|
|
}
|
|
|
|
amf_ue_t *amf_ue_find_by_teid(uint32_t teid)
|
|
{
|
|
return ogs_pool_find(&amf_ue_pool, teid);
|
|
}
|
|
|
|
amf_ue_t *amf_ue_find_by_suci(char *suci)
|
|
{
|
|
ogs_assert(suci);
|
|
return (amf_ue_t *)ogs_hash_get(self.suci_hash, suci, strlen(suci));
|
|
}
|
|
|
|
amf_ue_t *amf_ue_find_by_supi(char *supi)
|
|
{
|
|
ogs_assert(supi);
|
|
return (amf_ue_t *)ogs_hash_get(self.supi_hash, supi, strlen(supi));
|
|
}
|
|
|
|
amf_ue_t *amf_ue_find_by_message(ogs_nas_5gs_message_t *message)
|
|
{
|
|
amf_ue_t *amf_ue = NULL;
|
|
ogs_nas_5gs_registration_request_t *registration_request = NULL;
|
|
#if 0
|
|
ogs_nas_5gs_tracking_area_update_request_t *tau_request = NULL;
|
|
#endif
|
|
ogs_nas_5gs_mobile_identity_t *mobile_identity = NULL;
|
|
ogs_nas_5gs_mobile_identity_header_t *mobile_identity_header = NULL;
|
|
ogs_nas_5gs_mobile_identity_guti_t *mobile_identity_guti = NULL;
|
|
ogs_nas_5gs_guti_t nas_guti;
|
|
|
|
char *suci = NULL;
|
|
|
|
ogs_assert(message);
|
|
|
|
switch (message->gmm.h.message_type) {
|
|
case OGS_NAS_5GS_REGISTRATION_REQUEST:
|
|
registration_request = &message->gmm.registration_request;
|
|
ogs_assert(registration_request);
|
|
mobile_identity = ®istration_request->mobile_identity;
|
|
ogs_assert(mobile_identity);
|
|
|
|
if (!mobile_identity->length || !mobile_identity->buffer)
|
|
return NULL;
|
|
|
|
mobile_identity_header =
|
|
(ogs_nas_5gs_mobile_identity_header_t *)mobile_identity->buffer;
|
|
|
|
switch (mobile_identity_header->type) {
|
|
case OGS_NAS_5GS_MOBILE_IDENTITY_SUCI:
|
|
suci = ogs_nas_5gs_suci_from_mobile_identity(mobile_identity);
|
|
amf_ue = amf_ue_find_by_suci(suci);
|
|
if (amf_ue) {
|
|
ogs_trace("[%s] known UE by SUCI", suci);
|
|
} else {
|
|
ogs_trace("[%s] Unknown UE by SUCI", suci);
|
|
}
|
|
ogs_free(suci);
|
|
break;
|
|
|
|
case OGS_NAS_5GS_MOBILE_IDENTITY_GUTI:
|
|
mobile_identity_guti =
|
|
(ogs_nas_5gs_mobile_identity_guti_t *)mobile_identity->buffer;
|
|
|
|
if (!mobile_identity_guti) {
|
|
ogs_error("No mobile identity");
|
|
return NULL;
|
|
}
|
|
|
|
ogs_nas_5gs_mobile_identity_guti_to_nas_guti(
|
|
mobile_identity_guti, &nas_guti);
|
|
|
|
amf_ue = amf_ue_find_by_guti(&nas_guti);
|
|
if (amf_ue) {
|
|
ogs_debug("Known UE by 5G-S_TMSI[AMF_ID:0x%x,M_TMSI:0x%x]",
|
|
ogs_amf_id_hexdump(&nas_guti.amf_id), nas_guti.m_tmsi);
|
|
} else {
|
|
ogs_warn("Unknown UE by 5G-S_TMSI[AMF_ID:0x%x,M_TMSI:0x%x]",
|
|
ogs_amf_id_hexdump(&nas_guti.amf_id), nas_guti.m_tmsi);
|
|
}
|
|
break;
|
|
default:
|
|
ogs_error("Unknown SUCI type [%d]", mobile_identity_header->type);
|
|
|
|
}
|
|
break;
|
|
#if 0
|
|
case OGS_NAS_5GS_TRACKING_AREA_UPDATE_REQUEST:
|
|
tau_request = &message->gmm.tracking_area_update_request;
|
|
eps_mobile_identity = &tau_request->old_guti;
|
|
|
|
switch(eps_mobile_identity->imsi.type) {
|
|
case OGS_NAS_5GS_MOBILE_IDENTITY_GUTI:
|
|
eps_mobile_identity_guti = &eps_mobile_identity->guti;
|
|
|
|
ogs_nas_guti.nas_plmn_id = eps_mobile_identity_guti->nas_plmn_id;
|
|
ogs_nas_guti.amf_gid = eps_mobile_identity_guti->amf_gid;
|
|
ogs_nas_guti.amf_code = eps_mobile_identity_guti->amf_code;
|
|
ogs_nas_guti.m_tmsi = eps_mobile_identity_guti->m_tmsi;
|
|
|
|
amf_ue = amf_ue_find_by_guti(&ogs_nas_guti);
|
|
if (amf_ue) {
|
|
ogs_trace("Known UE by GUTI[G:%d,C:%d,M_TMSI:0x%x]",
|
|
ogs_nas_guti.amf_gid,
|
|
ogs_nas_guti.amf_code,
|
|
ogs_nas_guti.m_tmsi);
|
|
} else {
|
|
ogs_warn("Unknown UE by GUTI[G:%d,C:%d,M_TMSI:0x%x]",
|
|
ogs_nas_guti.amf_gid,
|
|
ogs_nas_guti.amf_code,
|
|
ogs_nas_guti.m_tmsi);
|
|
}
|
|
break;
|
|
default:
|
|
ogs_error("Unknown IMSI type [%d]", eps_mobile_identity->imsi.type);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return amf_ue;
|
|
}
|
|
|
|
void amf_ue_set_suci(amf_ue_t *amf_ue,
|
|
ogs_nas_5gs_mobile_identity_t *mobile_identity)
|
|
{
|
|
amf_ue_t *old_amf_ue = NULL;
|
|
char *suci = NULL;
|
|
|
|
ogs_assert(amf_ue);
|
|
ogs_assert(mobile_identity);
|
|
|
|
suci = ogs_nas_5gs_suci_from_mobile_identity(mobile_identity);
|
|
ogs_assert(suci);
|
|
|
|
/* Check if OLD amf_ue_t is existed */
|
|
old_amf_ue = amf_ue_find_by_suci(suci);
|
|
if (old_amf_ue) {
|
|
/* Check if OLD amf_ue_t is different with NEW amf_ue_t */
|
|
if (ogs_pool_index(&amf_ue_pool, amf_ue) !=
|
|
ogs_pool_index(&amf_ue_pool, old_amf_ue)) {
|
|
|
|
ogs_warn("[%s] OLD UE Context Release", suci);
|
|
if (CM_CONNECTED(old_amf_ue)) {
|
|
/* Implcit NG release */
|
|
ogs_debug("[%s] Implicit NG release", suci);
|
|
ogs_debug("[%s] RAN_UE_NGAP_ID[%d] AMF_UE_NGAP_ID[%lld]",
|
|
old_amf_ue->suci, old_amf_ue->ran_ue->ran_ue_ngap_id,
|
|
(long long)old_amf_ue->ran_ue->amf_ue_ngap_id);
|
|
ran_ue_remove(old_amf_ue->ran_ue);
|
|
}
|
|
amf_ue_remove(old_amf_ue);
|
|
}
|
|
}
|
|
|
|
if (amf_ue->suci) {
|
|
ogs_hash_set(self.suci_hash, amf_ue->suci, strlen(amf_ue->suci), NULL);
|
|
ogs_free(amf_ue->suci);
|
|
}
|
|
amf_ue->suci = suci;
|
|
ogs_hash_set(self.suci_hash, amf_ue->suci, strlen(amf_ue->suci), amf_ue);
|
|
|
|
amf_ue->guti_present = 1;
|
|
}
|
|
|
|
void amf_ue_set_supi(amf_ue_t *amf_ue, char *supi)
|
|
{
|
|
ogs_assert(supi);
|
|
|
|
if (amf_ue->supi) {
|
|
ogs_hash_set(self.supi_hash, amf_ue->supi, strlen(amf_ue->supi), NULL);
|
|
ogs_free(amf_ue->supi);
|
|
}
|
|
amf_ue->supi = ogs_strdup(supi);
|
|
ogs_assert(amf_ue->supi);
|
|
ogs_hash_set(self.supi_hash, amf_ue->supi, strlen(amf_ue->supi), amf_ue);
|
|
}
|
|
|
|
void amf_ue_associate_ran_ue(amf_ue_t *amf_ue, ran_ue_t *ran_ue)
|
|
{
|
|
ogs_assert(amf_ue);
|
|
ogs_assert(ran_ue);
|
|
|
|
amf_ue->ran_ue = ran_ue;
|
|
ran_ue->amf_ue = amf_ue;
|
|
}
|
|
|
|
void ran_ue_deassociate(ran_ue_t *ran_ue)
|
|
{
|
|
ogs_assert(ran_ue);
|
|
ran_ue->amf_ue = NULL;
|
|
}
|
|
|
|
void amf_ue_deassociate(amf_ue_t *amf_ue)
|
|
{
|
|
ogs_assert(amf_ue);
|
|
amf_ue->ran_ue = NULL;
|
|
}
|
|
|
|
void source_ue_associate_target_ue(
|
|
ran_ue_t *source_ue, ran_ue_t *target_ue)
|
|
{
|
|
amf_ue_t *amf_ue = NULL;
|
|
|
|
ogs_assert(source_ue);
|
|
ogs_assert(target_ue);
|
|
amf_ue = source_ue->amf_ue;
|
|
ogs_assert(amf_ue);
|
|
|
|
target_ue->amf_ue = amf_ue;
|
|
target_ue->source_ue = source_ue;
|
|
source_ue->target_ue = target_ue;
|
|
}
|
|
|
|
void source_ue_deassociate_target_ue(ran_ue_t *ran_ue)
|
|
{
|
|
ran_ue_t *source_ue = NULL;
|
|
ran_ue_t *target_ue = NULL;
|
|
ogs_assert(ran_ue);
|
|
|
|
if (ran_ue->target_ue) {
|
|
source_ue = ran_ue;
|
|
target_ue = ran_ue->target_ue;
|
|
|
|
ogs_assert(source_ue->target_ue);
|
|
ogs_assert(target_ue->source_ue);
|
|
source_ue->target_ue = NULL;
|
|
target_ue->source_ue = NULL;
|
|
} else if (ran_ue->source_ue) {
|
|
target_ue = ran_ue;
|
|
source_ue = ran_ue->source_ue;
|
|
|
|
ogs_assert(source_ue->target_ue);
|
|
ogs_assert(target_ue->source_ue);
|
|
source_ue->target_ue = NULL;
|
|
target_ue->source_ue = NULL;
|
|
}
|
|
}
|
|
|
|
amf_sess_t *amf_sess_add(amf_ue_t *amf_ue, uint8_t psi)
|
|
{
|
|
amf_sess_t *sess = NULL;
|
|
|
|
ogs_assert(amf_ue);
|
|
ogs_assert(psi != OGS_NAS_PDU_SESSION_IDENTITY_UNASSIGNED);
|
|
|
|
ogs_pool_alloc(&amf_sess_pool, &sess);
|
|
ogs_assert(sess);
|
|
memset(sess, 0, sizeof *sess);
|
|
|
|
sess->amf_ue = amf_ue;
|
|
sess->psi = psi;
|
|
|
|
sess->s_nssai.sst = 0;
|
|
sess->s_nssai.sd.v = OGS_S_NSSAI_NO_SD_VALUE;
|
|
sess->s_nssai.mapped_hplmn_sst = 0;
|
|
sess->s_nssai.mapped_hplmn_sd.v = OGS_S_NSSAI_NO_SD_VALUE;
|
|
|
|
ogs_list_add(&amf_ue->sess_list, sess);
|
|
|
|
return sess;
|
|
}
|
|
|
|
void amf_sess_remove(amf_sess_t *sess)
|
|
{
|
|
ogs_assert(sess);
|
|
ogs_assert(sess->amf_ue);
|
|
|
|
ogs_list_remove(&sess->amf_ue->sess_list, sess);
|
|
|
|
/* Free SBI object memory */
|
|
ogs_sbi_object_free(&sess->sbi);
|
|
|
|
if (sess->sm_context_ref)
|
|
ogs_free(sess->sm_context_ref);
|
|
|
|
if (sess->payload_container)
|
|
ogs_pkbuf_free(sess->payload_container);
|
|
if (sess->dnn)
|
|
ogs_free(sess->dnn);
|
|
|
|
if (sess->pdu_session_establishment_accept)
|
|
ogs_pkbuf_free(sess->pdu_session_establishment_accept);
|
|
|
|
OGS_NAS_CLEAR_DATA(&sess->ue_pco);
|
|
OGS_TLV_CLEAR_DATA(&sess->pgw_pco);
|
|
|
|
ogs_pool_free(&amf_sess_pool, sess);
|
|
}
|
|
|
|
void amf_sess_remove_all(amf_ue_t *amf_ue)
|
|
{
|
|
amf_sess_t *sess = NULL, *next_sess = NULL;
|
|
|
|
ogs_assert(amf_ue);
|
|
|
|
ogs_list_for_each_safe(&amf_ue->sess_list, next_sess, sess)
|
|
amf_sess_remove(sess);
|
|
}
|
|
|
|
amf_sess_t *amf_sess_find_by_psi(amf_ue_t *amf_ue, uint8_t psi)
|
|
{
|
|
amf_sess_t *sess = NULL;
|
|
|
|
ogs_list_for_each(&amf_ue->sess_list, sess)
|
|
if (psi == sess->psi) return sess;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
amf_ue_t *amf_ue_cycle(amf_ue_t *amf_ue)
|
|
{
|
|
return ogs_pool_cycle(&amf_ue_pool, amf_ue);
|
|
}
|
|
|
|
amf_sess_t *amf_sess_cycle(amf_sess_t *sess)
|
|
{
|
|
return ogs_pool_cycle(&amf_sess_pool, sess);
|
|
}
|
|
|
|
int amf_sess_xact_count(amf_ue_t *amf_ue)
|
|
{
|
|
amf_sess_t *sess = NULL;
|
|
int xact_count = 0;
|
|
|
|
ogs_assert(amf_ue);
|
|
|
|
ogs_list_for_each(&amf_ue->sess_list, sess)
|
|
xact_count += ogs_list_count(&sess->sbi.xact_list);
|
|
|
|
return xact_count;;
|
|
}
|
|
|
|
int amf_find_served_tai(ogs_5gs_tai_t *tai)
|
|
{
|
|
int i = 0, j = 0, k = 0;
|
|
|
|
ogs_assert(tai);
|
|
|
|
for (i = 0; i < self.num_of_served_tai; i++) {
|
|
ogs_5gs_tai0_list_t *list0 = &self.served_tai[i].list0;
|
|
ogs_assert(list0);
|
|
ogs_5gs_tai2_list_t *list2 = &self.served_tai[i].list2;
|
|
ogs_assert(list2);
|
|
|
|
for (j = 0; list0->tai[j].num; j++) {
|
|
ogs_assert(list0->tai[j].type == OGS_TAI0_TYPE);
|
|
ogs_assert(list0->tai[j].num < OGS_MAX_NUM_OF_TAI);
|
|
|
|
for (k = 0; k < list0->tai[j].num; k++) {
|
|
if (memcmp(&list0->tai[j].plmn_id,
|
|
&tai->plmn_id, OGS_PLMN_ID_LEN) == 0 &&
|
|
list0->tai[j].tac[k].v == tai->tac.v) {
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (list2->num) {
|
|
ogs_assert(list2->type == OGS_TAI1_TYPE ||
|
|
list2->type == OGS_TAI2_TYPE);
|
|
ogs_assert(list2->num < OGS_MAX_NUM_OF_TAI);
|
|
|
|
for (j = 0; j < list2->num; j++) {
|
|
if (memcmp(&list2->tai[j].plmn_id,
|
|
&tai->plmn_id, OGS_PLMN_ID_LEN) == 0 &&
|
|
list2->tai[j].tac.v == tai->tac.v) {
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
ogs_s_nssai_t *amf_find_s_nssai(
|
|
ogs_plmn_id_t *served_plmn_id, ogs_s_nssai_t *s_nssai)
|
|
{
|
|
int i, j;
|
|
|
|
ogs_assert(served_plmn_id);
|
|
ogs_assert(s_nssai);
|
|
|
|
for (i = 0; i < amf_self()->num_of_plmn_support; i++) {
|
|
if (memcmp(&amf_self()->plmn_support[i].plmn_id,
|
|
served_plmn_id, OGS_PLMN_ID_LEN) != 0)
|
|
continue;
|
|
|
|
for (j = 0; j < amf_self()->plmn_support[i].num_of_s_nssai; j++) {
|
|
if (amf_self()->plmn_support[i].s_nssai[j].sst != s_nssai->sst)
|
|
continue;
|
|
|
|
if (amf_self()->plmn_support[i].s_nssai[j].sd.v !=
|
|
OGS_S_NSSAI_NO_SD_VALUE &&
|
|
s_nssai->sd.v != OGS_S_NSSAI_NO_SD_VALUE) {
|
|
if (amf_self()->plmn_support[i].s_nssai[j].sd.v !=
|
|
s_nssai->sd.v)
|
|
continue;
|
|
}
|
|
|
|
return &amf_self()->plmn_support[i].s_nssai[j];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int amf_m_tmsi_pool_generate()
|
|
{
|
|
int i, j;
|
|
int index = 0;
|
|
|
|
ogs_trace("M-TMSI Pool try to generate...");
|
|
for (i = 0; index < ogs_config()->pool.ue; i++) {
|
|
amf_m_tmsi_t *m_tmsi = NULL;
|
|
int conflict = 0;
|
|
|
|
m_tmsi = &self.m_tmsi.array[index];
|
|
ogs_assert(m_tmsi);
|
|
*m_tmsi = ogs_random32();
|
|
|
|
/* for mapped-GUTI */
|
|
*m_tmsi |= 0xc0000000;
|
|
*m_tmsi &= 0xff00ffff;
|
|
|
|
for (j = 0; j < index; j++) {
|
|
if (*m_tmsi == self.m_tmsi.array[j]) {
|
|
conflict = 1;
|
|
ogs_trace("[M-TMSI CONFLICT] %d:0x%x == %d:0x%x",
|
|
index, *m_tmsi, j, self.m_tmsi.array[j]);
|
|
break;
|
|
}
|
|
}
|
|
if (conflict == 1) {
|
|
continue;
|
|
}
|
|
|
|
index++;
|
|
}
|
|
self.m_tmsi.size = index;
|
|
ogs_trace("M-TMSI Pool generate...done");
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
amf_m_tmsi_t *amf_m_tmsi_alloc()
|
|
{
|
|
amf_m_tmsi_t *m_tmsi = NULL;
|
|
|
|
ogs_pool_alloc(&self.m_tmsi, &m_tmsi);
|
|
ogs_assert(m_tmsi);
|
|
|
|
return m_tmsi;
|
|
}
|
|
|
|
int amf_m_tmsi_free(amf_m_tmsi_t *m_tmsi)
|
|
{
|
|
ogs_assert(m_tmsi);
|
|
ogs_pool_free(&self.m_tmsi, m_tmsi);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
uint8_t amf_selected_int_algorithm(amf_ue_t *amf_ue)
|
|
{
|
|
int i;
|
|
|
|
ogs_assert(amf_ue);
|
|
|
|
for (i = 0; i < amf_self()->num_of_integrity_order; i++) {
|
|
if (amf_ue->ue_security_capability.nia &
|
|
(0x80 >> amf_self()->integrity_order[i])) {
|
|
return amf_self()->integrity_order[i];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
uint8_t amf_selected_enc_algorithm(amf_ue_t *amf_ue)
|
|
{
|
|
int i;
|
|
|
|
ogs_assert(amf_ue);
|
|
|
|
for (i = 0; i < amf_self()->num_of_ciphering_order; i++) {
|
|
if (amf_ue->ue_security_capability.nea &
|
|
(0x80 >> amf_self()->ciphering_order[i])) {
|
|
return amf_self()->ciphering_order[i];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|