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context.c
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/*
* Copyright (C) 2019-2022 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "context.h"
#include "gtp-path.h"
#include "pfcp-path.h"
static smf_context_t self;
static ogs_diam_config_t g_diam_conf;
int __smf_log_domain;
int __gsm_log_domain;
static OGS_POOL(smf_gtp_node_pool, smf_gtp_node_t);
static OGS_POOL(smf_ue_pool, smf_ue_t);
static OGS_POOL(smf_sess_pool, smf_sess_t);
static OGS_POOL(smf_bearer_pool, smf_bearer_t);
static OGS_POOL(smf_pf_pool, smf_pf_t);
static int context_initialized = 0;
static int num_of_smf_sess = 0;
static void stats_add_smf_session(void);
static void stats_remove_smf_session(smf_sess_t *sess);
int smf_ctf_config_init(smf_ctf_config_t *ctf_config)
{
ctf_config->enabled = SMF_CTF_ENABLED_AUTO;
return OGS_OK;
}
/* Shall Gy session be used according to policy and state? 1: yes, 0: no, -1: reject */
int smf_use_gy_iface()
{
switch (smf_self()->ctf_config.enabled) {
case SMF_CTF_ENABLED_AUTO:
return ogs_diam_app_connected(OGS_DIAM_GY_APPLICATION_ID) ? 1 : 0;
case SMF_CTF_ENABLED_YES:
return ogs_diam_app_connected(OGS_DIAM_GY_APPLICATION_ID) ? 1 : -1;
case SMF_CTF_ENABLED_NO:
return 0;
default:
return -1;
}
}
void smf_context_init(void)
{
ogs_assert(context_initialized == 0);
/* Initial FreeDiameter Config */
memset(&g_diam_conf, 0, sizeof(ogs_diam_config_t));
/* Initialize SMF context */
memset(&self, 0, sizeof(smf_context_t));
smf_ctf_config_init(&self.ctf_config);
self.diam_config = &g_diam_conf;
ogs_log_install_domain(&__ogs_ngap_domain, "ngap", ogs_core()->log.level);
ogs_log_install_domain(&__ogs_nas_domain, "nas", ogs_core()->log.level);
ogs_log_install_domain(&__ogs_diam_domain, "diam", ogs_core()->log.level);
ogs_log_install_domain(&__smf_log_domain, "smf", ogs_core()->log.level);
ogs_log_install_domain(&__gsm_log_domain, "gsm", ogs_core()->log.level);
ogs_pool_init(&smf_gtp_node_pool, ogs_app()->pool.nf);
ogs_pool_init(&smf_ue_pool, ogs_app()->max.ue);
ogs_pool_init(&smf_sess_pool, ogs_app()->pool.sess);
ogs_pool_init(&smf_bearer_pool, ogs_app()->pool.bearer);
ogs_pool_init(&smf_pf_pool,
ogs_app()->pool.bearer * OGS_MAX_NUM_OF_FLOW_IN_BEARER);
self.supi_hash = ogs_hash_make();
ogs_assert(self.supi_hash);
self.imsi_hash = ogs_hash_make();
ogs_assert(self.imsi_hash);
self.ipv4_hash = ogs_hash_make();
ogs_assert(self.ipv4_hash);
self.ipv6_hash = ogs_hash_make();
ogs_assert(self.ipv6_hash);
self.n1n2message_hash = ogs_hash_make();
ogs_assert(self.n1n2message_hash);
context_initialized = 1;
}
void smf_context_final(void)
{
ogs_gtp_node_t *gnode = NULL, *next_gnode = NULL;
ogs_assert(context_initialized == 1);
smf_ue_remove_all();
ogs_assert(self.supi_hash);
ogs_hash_destroy(self.supi_hash);
ogs_assert(self.imsi_hash);
ogs_hash_destroy(self.imsi_hash);
ogs_assert(self.ipv4_hash);
ogs_hash_destroy(self.ipv4_hash);
ogs_assert(self.ipv6_hash);
ogs_hash_destroy(self.ipv6_hash);
ogs_assert(self.n1n2message_hash);
ogs_hash_destroy(self.n1n2message_hash);
ogs_pool_final(&smf_ue_pool);
ogs_pool_final(&smf_bearer_pool);
ogs_pool_final(&smf_sess_pool);
ogs_pool_final(&smf_pf_pool);
ogs_list_for_each_entry_safe(&self.sgw_s5c_list, next_gnode, gnode, node) {
smf_gtp_node_t *smf_gnode = gnode->data_ptr;
ogs_assert(smf_gnode);
smf_gtp_node_free(smf_gnode);
ogs_gtp_node_remove(&self.sgw_s5c_list, gnode);
}
ogs_pool_final(&smf_gtp_node_pool);
context_initialized = 0;
}
smf_context_t *smf_self(void)
{
return &self;
}
static int smf_context_prepare(void)
{
self.diam_config->cnf_port = DIAMETER_PORT;
self.diam_config->cnf_port_tls = DIAMETER_SECURE_PORT;
return OGS_OK;
}
static int smf_context_validation(void)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_nf_info_t *nf_info = NULL;
nf_instance = ogs_sbi_self()->nf_instance;
ogs_assert(nf_instance);
if (self.dns[0] == NULL && self.dns6[0] == NULL) {
ogs_error("No smf.dns in '%s'", ogs_app()->file);
return OGS_ERROR;
}
if (ogs_list_first(&ogs_gtp_self()->gtpu_list) == NULL) {
ogs_error("No smf.gtpu in '%s'", ogs_app()->file);
return OGS_ERROR;
}
if (ogs_list_first(&ogs_pfcp_self()->subnet_list) == NULL) {
ogs_error("No smf.subnet: in '%s'", ogs_app()->file);
return OGS_ERROR;
}
ogs_list_for_each(&nf_instance->nf_info_list, nf_info) {
int i;
ogs_sbi_smf_info_t *smf_info = &nf_info->smf;
ogs_assert(smf_info);
if (smf_info->num_of_slice == 0) {
ogs_error("CHECK CONFIGURATION: No S-NSSAI in smfInfo");
return OGS_ERROR;
}
for (i = 0; i < smf_info->num_of_slice; i++) {
if (smf_info->slice[i].num_of_dnn == 0) {
ogs_error("CHECK CONFIGURATION: No DNN in SST[%d] SD[0x%x]",
smf_info->slice[i].s_nssai.sst,
smf_info->slice[i].s_nssai.sd.v);
return OGS_ERROR;
}
}
for (i = 0; i < smf_info->num_of_nr_tai_range; i++) {
if (smf_info->nr_tai_range[i].num_of_tac_range == 0) {
ogs_error("CHECK CONFIGURATION: No TacRange in "
"MCC[%d] MNC[0x%x]",
ogs_plmn_id_mcc(&smf_info->nr_tai[i].plmn_id),
ogs_plmn_id_mnc(&smf_info->nr_tai[i].plmn_id));
return OGS_ERROR;
}
}
}
if (self.security_indication.integrity_protection_indication ||
self.security_indication.confidentiality_protection_indication) {
if (!self.security_indication.integrity_protection_indication ||
!self.security_indication.confidentiality_protection_indication) {
ogs_error("Invalid security_indication [%s,%s]",
self.security_indication.integrity_protection_indication ?
self.security_indication.integrity_protection_indication :
"No integrity_protection_indication",
self.security_indication.confidentiality_protection_indication ?
self.security_indication.confidentiality_protection_indication :
"No confidentiality_protection_indication");
return OGS_ERROR;
}
if (smf_integrity_protection_indication_value2enum(
self.security_indication.integrity_protection_indication) < 0) {
ogs_error("Invalid integrity_protection_indication [%s]",
self.security_indication.integrity_protection_indication);
return OGS_ERROR;
}
if (smf_confidentiality_protection_indication_value2enum(
self.security_indication.
confidentiality_protection_indication) < 0) {
ogs_error("Invalid confidentiality_protection_indication [%s]",
self.security_indication.confidentiality_protection_indication);
return OGS_ERROR;
}
}
if (self.security_indication.maximum_integrity_protected_data_rate_uplink) {
NGAP_IntegrityProtectionIndication_t integrityProtectionIndication;
if (smf_maximum_integrity_protected_data_rate_uplink_value2enum(
self.security_indication.
maximum_integrity_protected_data_rate_uplink) < 0) {
ogs_error("Invalid "
"maximum_integrity_protected_data_rate_uplink [%s]",
self.security_indication.
maximum_integrity_protected_data_rate_uplink);
return OGS_ERROR;
}
integrityProtectionIndication =
smf_integrity_protection_indication_value2enum(
self.security_indication.integrity_protection_indication);
if (integrityProtectionIndication ==
NGAP_IntegrityProtectionIndication_required ||
integrityProtectionIndication ==
NGAP_IntegrityProtectionIndication_preferred) {
} else {
ogs_error("Invalid security_indication [%s:UL-%s]",
self.security_indication.integrity_protection_indication ?
self.security_indication.integrity_protection_indication :
"No integrity_protection_indication",
self.security_indication.
maximum_integrity_protected_data_rate_uplink ?
self.security_indication.
maximum_integrity_protected_data_rate_uplink :
"No integrity_protection_indication");
return OGS_ERROR;
}
}
if (self.security_indication.maximum_integrity_protected_data_rate_downlink) {
if (smf_maximum_integrity_protected_data_rate_downlink_value2enum(
self.security_indication.
maximum_integrity_protected_data_rate_downlink) < 0) {
ogs_error("Invalid "
"maximum_integrity_protected_data_rate_downlink [%s]",
self.security_indication.
maximum_integrity_protected_data_rate_downlink);
return OGS_ERROR;
}
if (!self.security_indication.
maximum_integrity_protected_data_rate_uplink) {
ogs_error("No maximum_integrity_protected_data_rate_uplink");
return OGS_ERROR;
}
}
return OGS_OK;
}
int smf_context_parse_config(void)
{
int rv;
yaml_document_t *document = NULL;
ogs_yaml_iter_t root_iter;
document = ogs_app()->document;
ogs_assert(document);
rv = smf_context_prepare();
if (rv != OGS_OK) return rv;
ogs_yaml_iter_init(&root_iter, document);
while (ogs_yaml_iter_next(&root_iter)) {
const char *root_key = ogs_yaml_iter_key(&root_iter);
ogs_assert(root_key);
if (!strcmp(root_key, "smf")) {
ogs_yaml_iter_t smf_iter;
ogs_yaml_iter_recurse(&root_iter, &smf_iter);
while (ogs_yaml_iter_next(&smf_iter)) {
const char *smf_key = ogs_yaml_iter_key(&smf_iter);
ogs_assert(smf_key);
if (!strcmp(smf_key, "freeDiameter")) {
yaml_node_t *node =
yaml_document_get_node(document, smf_iter.pair->value);
ogs_assert(node);
if (node->type == YAML_SCALAR_NODE) {
self.diam_conf_path = ogs_yaml_iter_value(&smf_iter);
} else if (node->type == YAML_MAPPING_NODE) {
ogs_yaml_iter_t fd_iter;
ogs_yaml_iter_recurse(&smf_iter, &fd_iter);
while (ogs_yaml_iter_next(&fd_iter)) {
const char *fd_key = ogs_yaml_iter_key(&fd_iter);
ogs_assert(fd_key);
if (!strcmp(fd_key, "identity")) {
self.diam_config->cnf_diamid =
ogs_yaml_iter_value(&fd_iter);
} else if (!strcmp(fd_key, "realm")) {
self.diam_config->cnf_diamrlm =
ogs_yaml_iter_value(&fd_iter);
} else if (!strcmp(fd_key, "port")) {
const char *v = ogs_yaml_iter_value(&fd_iter);
if (v) self.diam_config->cnf_port = atoi(v);
} else if (!strcmp(fd_key, "sec_port")) {
const char *v = ogs_yaml_iter_value(&fd_iter);
if (v) self.diam_config->cnf_port_tls = atoi(v);
} else if (!strcmp(fd_key, "listen_on")) {
self.diam_config->cnf_addr =
ogs_yaml_iter_value(&fd_iter);
} else if (!strcmp(fd_key, "no_fwd")) {
self.diam_config->cnf_flags.no_fwd =
ogs_yaml_iter_bool(&fd_iter);
} else if (!strcmp(fd_key, "load_extension")) {
ogs_yaml_iter_t ext_array, ext_iter;
ogs_yaml_iter_recurse(&fd_iter, &ext_array);
do {
const char *module = NULL;
const char *conf = NULL;
if (ogs_yaml_iter_type(&ext_array) ==
YAML_MAPPING_NODE) {
memcpy(&ext_iter, &ext_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(&ext_array) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&ext_array))
break;
ogs_yaml_iter_recurse(
&ext_array, &ext_iter);
} else if (ogs_yaml_iter_type(&ext_array) ==
YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
while (ogs_yaml_iter_next(&ext_iter)) {
const char *ext_key =
ogs_yaml_iter_key(&ext_iter);
ogs_assert(ext_key);
if (!strcmp(ext_key, "module")) {
module = ogs_yaml_iter_value(
&ext_iter);
} else if (!strcmp(ext_key, "conf")) {
conf = ogs_yaml_iter_value(
&ext_iter);
} else
ogs_warn("unknown key `%s`",
ext_key);
}
if (module) {
self.diam_config->
ext[self.diam_config->num_of_ext].
module = module;
self.diam_config->
ext[self.diam_config->num_of_ext].
conf = conf;
self.diam_config->num_of_ext++;
}
} while (ogs_yaml_iter_type(&ext_array) ==
YAML_SEQUENCE_NODE);
} else if (!strcmp(fd_key, "connect")) {
ogs_yaml_iter_t conn_array, conn_iter;
ogs_yaml_iter_recurse(&fd_iter, &conn_array);
do {
const char *identity = NULL;
const char *addr = NULL;
uint16_t port = 0;
if (ogs_yaml_iter_type(&conn_array) ==
YAML_MAPPING_NODE) {
memcpy(&conn_iter, &conn_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(
&conn_array) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&conn_array))
break;
ogs_yaml_iter_recurse(&conn_array,
&conn_iter);
} else if (ogs_yaml_iter_type(
&conn_array) == YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
while (ogs_yaml_iter_next(&conn_iter)) {
const char *conn_key =
ogs_yaml_iter_key(&conn_iter);
ogs_assert(conn_key);
if (!strcmp(conn_key, "identity")) {
identity =
ogs_yaml_iter_value(&conn_iter);
} else if (!strcmp(conn_key, "addr")) {
addr =
ogs_yaml_iter_value(&conn_iter);
} else if (!strcmp(conn_key, "port")) {
const char *v =
ogs_yaml_iter_value(&conn_iter);
if (v) port = atoi(v);
} else
ogs_warn("unknown key `%s`",
conn_key);
}
if (identity && addr) {
self.diam_config->
conn[self.diam_config->num_of_conn].
identity = identity;
self.diam_config->
conn[self.diam_config->num_of_conn].
addr = addr;
self.diam_config->
conn[self.diam_config->num_of_conn].
port = port;
self.diam_config->num_of_conn++;
}
} while (ogs_yaml_iter_type(&conn_array) ==
YAML_SEQUENCE_NODE);
} else
ogs_warn("unknown key `%s`", fd_key);
}
}
} else if (!strcmp(smf_key, "ctf")) {
ogs_yaml_iter_t ctf_iter;
yaml_node_t *node =
yaml_document_get_node(document, smf_iter.pair->value);
ogs_assert(node);
ogs_assert(node->type == YAML_MAPPING_NODE);
ogs_yaml_iter_recurse(&smf_iter, &ctf_iter);
while (ogs_yaml_iter_next(&ctf_iter)) {
const char *ctf_key = ogs_yaml_iter_key(&ctf_iter);
ogs_assert(ctf_key);
if (!strcmp(ctf_key, "enabled")) {
yaml_node_t *ctf_node = yaml_document_get_node(
document, ctf_iter.pair->value);
ogs_assert(ctf_node->type == YAML_SCALAR_NODE);
const char* enabled =
ogs_yaml_iter_value(&ctf_iter);
if (!strcmp(enabled, "auto"))
self.ctf_config.enabled = SMF_CTF_ENABLED_AUTO;
else if (!strcmp(enabled, "yes"))
self.ctf_config.enabled = SMF_CTF_ENABLED_YES;
else if (!strcmp(enabled, "no"))
self.ctf_config.enabled = SMF_CTF_ENABLED_NO;
else
ogs_warn("unknown 'enabled' value `%s`",
enabled);
} else
ogs_warn("unknown key `%s`", ctf_key);
}
} else if (!strcmp(smf_key, "gtpc")) {
/* handle config in gtp library */
} else if (!strcmp(smf_key, "gtpu")) {
/* handle config in gtp library */
} else if (!strcmp(smf_key, "dns")) {
ogs_yaml_iter_t dns_iter;
ogs_yaml_iter_recurse(&smf_iter, &dns_iter);
ogs_assert(ogs_yaml_iter_type(&dns_iter) !=
YAML_MAPPING_NODE);
do {
const char *v = NULL;
if (ogs_yaml_iter_type(&dns_iter) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&dns_iter))
break;
}
v = ogs_yaml_iter_value(&dns_iter);
if (v && strlen(v)) {
ogs_ipsubnet_t ipsub;
rv = ogs_ipsubnet(&ipsub, v, NULL);
ogs_assert(rv == OGS_OK);
if (ipsub.family == AF_INET) {
if (self.dns[0] && self.dns[1])
ogs_warn("Ignore DNS : %s", v);
else if (self.dns[0]) self.dns[1] = v;
else self.dns[0] = v;
}
else if (ipsub.family == AF_INET6) {
if (self.dns6[0] && self.dns6[1])
ogs_warn("Ignore DNS : %s", v);
else if (self.dns6[0]) self.dns6[1] = v;
else self.dns6[0] = v;
} else
ogs_warn("Ignore DNS : %s", v);
}
} while (ogs_yaml_iter_type(&dns_iter) ==
YAML_SEQUENCE_NODE);
} else if (!strcmp(smf_key, "mtu")) {
ogs_assert(ogs_yaml_iter_type(&smf_iter) !=
YAML_SCALAR_NODE);
self.mtu = atoi(ogs_yaml_iter_value(&smf_iter));
ogs_assert(self.mtu);
} else if (!strcmp(smf_key, "p-cscf")) {
ogs_yaml_iter_t p_cscf_iter;
ogs_yaml_iter_recurse(&smf_iter, &p_cscf_iter);
ogs_assert(ogs_yaml_iter_type(&p_cscf_iter) !=
YAML_MAPPING_NODE);
self.num_of_p_cscf = 0;
self.num_of_p_cscf6 = 0;
do {
const char *v = NULL;
if (ogs_yaml_iter_type(&p_cscf_iter) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&p_cscf_iter))
break;
}
v = ogs_yaml_iter_value(&p_cscf_iter);
if (v) {
ogs_ipsubnet_t ipsub;
rv = ogs_ipsubnet(&ipsub, v, NULL);
ogs_assert(rv == OGS_OK);
if (ipsub.family == AF_INET) {
if (self.num_of_p_cscf >= MAX_NUM_OF_P_CSCF)
ogs_warn("Ignore P-CSCF : %s", v);
else self.p_cscf[self.num_of_p_cscf++] = v;
}
else if (ipsub.family == AF_INET6) {
if (self.num_of_p_cscf6 >= MAX_NUM_OF_P_CSCF)
ogs_warn("Ignore P-CSCF : %s", v);
else self.p_cscf6[self.num_of_p_cscf6++] = v;
} else
ogs_warn("Ignore P-CSCF : %s", v);
}
} while (ogs_yaml_iter_type(&p_cscf_iter) ==
YAML_SEQUENCE_NODE);
} else if (!strcmp(smf_key, "info")) {
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_yaml_iter_t info_array, info_iter;
ogs_yaml_iter_recurse(&smf_iter, &info_array);
nf_instance = ogs_sbi_self()->nf_instance;
ogs_assert(nf_instance);
do {
ogs_sbi_nf_info_t *nf_info = NULL;
ogs_sbi_smf_info_t *smf_info = NULL;
if (ogs_yaml_iter_type(&info_array) ==
YAML_MAPPING_NODE) {
memcpy(&info_iter, &info_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(&info_array) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&info_array))
break;
ogs_yaml_iter_recurse(&info_array, &info_iter);
} else if (ogs_yaml_iter_type(&info_array) ==
YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
nf_info = ogs_sbi_nf_info_add(
&nf_instance->nf_info_list,
OpenAPI_nf_type_SMF);
ogs_assert(nf_info);
smf_info = &nf_info->smf;
ogs_assert(smf_info);
while (ogs_yaml_iter_next(&info_iter)) {
const char *info_key =
ogs_yaml_iter_key(&info_iter);
ogs_assert(info_key);
if (!strcmp(info_key, "s_nssai")) {
int num_of_slice = 0;
ogs_yaml_iter_t s_nssai_array, s_nssai_iter;
ogs_yaml_iter_recurse(&info_iter,
&s_nssai_array);
do {
ogs_s_nssai_t *s_nssai = NULL;
const char *sst = NULL, *sd = NULL;
int num_of_dnn = 0;
const char *dnn[OGS_MAX_NUM_OF_DNN];
ogs_assert(num_of_slice <
OGS_MAX_NUM_OF_SLICE);
s_nssai = &smf_info->slice[num_of_slice].
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);
} else if (!strcmp(s_nssai_key,
"dnn")) {
ogs_yaml_iter_t dnn_iter;
ogs_yaml_iter_recurse(&s_nssai_iter,
&dnn_iter);
ogs_assert(ogs_yaml_iter_type(
&dnn_iter) !=
YAML_MAPPING_NODE);
do {
const char *v = NULL;
if (ogs_yaml_iter_type(
&dnn_iter) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(
&dnn_iter))
break;
}
v = ogs_yaml_iter_value(
&dnn_iter);
if (v) {
ogs_assert(num_of_dnn <
OGS_MAX_NUM_OF_DNN);
dnn[num_of_dnn++] = v;
}
} while (ogs_yaml_iter_type(
&dnn_iter) ==
YAML_SEQUENCE_NODE);
}
}
if (sst) {
int i;
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;
ogs_assert(num_of_dnn <
OGS_MAX_NUM_OF_DNN);
for (i = 0; i < num_of_dnn; i++) {
smf_info->slice[num_of_slice].
dnn[i] = ogs_strdup(dnn[i]);
ogs_assert(
smf_info->slice[num_of_slice].
dnn[i]);
}
smf_info->slice[num_of_slice].
num_of_dnn = num_of_dnn;
num_of_slice++;
}
} while (ogs_yaml_iter_type(&s_nssai_array) ==
YAML_SEQUENCE_NODE);
smf_info->num_of_slice = num_of_slice;
} else if (!strcmp(info_key, "tai")) {
int num_of_nr_tai = 0;
int num_of_nr_tai_range = 0;
ogs_yaml_iter_t tai_array, tai_iter;
ogs_yaml_iter_recurse(&info_iter, &tai_array);
do {
const char *mcc = NULL, *mnc = NULL;
int num_of_tac = 0;
ogs_uint24_t tac[OGS_MAX_NUM_OF_TAI];
int num_of_range = 0;
ogs_uint24_t start[OGS_MAX_NUM_OF_TAI];
ogs_uint24_t end[OGS_MAX_NUM_OF_TAI];
if (ogs_yaml_iter_type(&tai_array) ==
YAML_MAPPING_NODE) {
memcpy(&tai_iter, &tai_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(&tai_array) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&tai_array))
break;
ogs_yaml_iter_recurse(&tai_array,
&tai_iter);
} else if (ogs_yaml_iter_type(&tai_array) ==
YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
while (ogs_yaml_iter_next(&tai_iter)) {
const char *tai_key =
ogs_yaml_iter_key(&tai_iter);
ogs_assert(tai_key);
if (!strcmp(tai_key, "plmn_id")) {
ogs_yaml_iter_t plmn_id_iter;
ogs_yaml_iter_recurse(
&tai_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);
}
}
} 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 if (!strcmp(tai_key, "range")) {
ogs_yaml_iter_t range_iter;
ogs_yaml_iter_recurse(
&tai_iter, &range_iter);
ogs_assert(ogs_yaml_iter_type(
&range_iter) !=
YAML_MAPPING_NODE);
do {
char *v = NULL;
char *low = NULL, *high = NULL;
if (ogs_yaml_iter_type(
&range_iter) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(
&range_iter))
break;
}
v = (char *)ogs_yaml_iter_value(
&range_iter);
if (v) {
low = strsep(&v, "-");
if (low && strlen(low) == 0)
low = NULL;
high = v;
if (high &&
strlen(high) == 0)
high = NULL;
if (low && high) {
ogs_assert(
num_of_range <
OGS_MAX_NUM_OF_TAI);
start[num_of_range].v =
atoi(low);
end[num_of_range].v =
atoi(high);
num_of_range++;
}
}
} while (
ogs_yaml_iter_type(
&range_iter) ==
YAML_SEQUENCE_NODE);
} else
ogs_warn("unknown key `%s`",
tai_key);
}
if (mcc && mnc) {
int i;
if (num_of_range) {
ogs_assert(num_of_nr_tai_range <
OGS_MAX_NUM_OF_TAI);
ogs_plmn_id_build(
&smf_info->nr_tai_range
[num_of_nr_tai_range].
plmn_id,
atoi(mcc), atoi(mnc),
strlen(mnc));
for (i = 0; i < num_of_range; i++) {
smf_info->nr_tai_range
[num_of_nr_tai_range].
start[i].v = start[i].v;
smf_info->nr_tai_range
[num_of_nr_tai_range].
end[i].v = end[i].v;
}
smf_info->nr_tai_range
[num_of_nr_tai_range].
num_of_tac_range =
num_of_range;
num_of_nr_tai_range++;
} else if (num_of_tac) {
for (i = 0; i < num_of_tac; i++) {
ogs_assert(num_of_nr_tai <
OGS_MAX_NUM_OF_TAI);
ogs_plmn_id_build(
&smf_info->nr_tai
[num_of_nr_tai].plmn_id,
atoi(mcc), atoi(mnc),
strlen(mnc));
smf_info->nr_tai[num_of_nr_tai].
tac.v = tac[i].v;
num_of_nr_tai++;
}
} else {
ogs_warn("No TAC info");
}
}
} while (ogs_yaml_iter_type(&tai_array) ==
YAML_SEQUENCE_NODE);
smf_info->num_of_nr_tai = num_of_nr_tai;
smf_info->num_of_nr_tai_range =
num_of_nr_tai_range;
} else
ogs_warn("unknown key `%s`", info_key);
}
} while (ogs_yaml_iter_type(&info_array) ==
YAML_SEQUENCE_NODE);
} else if (!strcmp(smf_key, "security_indication")) {
ogs_yaml_iter_t security_indication_iter;
ogs_yaml_iter_recurse(
&smf_iter, &security_indication_iter);
while (ogs_yaml_iter_next(&security_indication_iter)) {
const char *security_indication_key =
ogs_yaml_iter_key(&security_indication_iter);
ogs_assert(security_indication_key);
if (!strcmp(security_indication_key,
"integrity_protection_indication")) {
self.security_indication.
integrity_protection_indication =
ogs_yaml_iter_value(
&security_indication_iter);
} else if (!strcmp(security_indication_key,
"confidentiality_protection_indication")) {
self.security_indication.
confidentiality_protection_indication =
ogs_yaml_iter_value(
&security_indication_iter);
} else if (!strcmp(security_indication_key,
"maximum_integrity_protected_data_rate_uplink")) {
self.security_indication.
maximum_integrity_protected_data_rate_uplink =
ogs_yaml_iter_value(
&security_indication_iter);
} else if (!strcmp(security_indication_key,
"maximum_integrity_protected_data_rate_downlink")) {
self.security_indication.
maximum_integrity_protected_data_rate_downlink =
ogs_yaml_iter_value(
&security_indication_iter);
}
}
} else if (!strcmp(smf_key, "pfcp")) {
/* handle config in pfcp library */
} else if (!strcmp(smf_key, "subnet")) {
/* handle config in pfcp library */
} else if (!strcmp(smf_key, "sbi")) {
/* handle config in sbi library */
} else if (!strcmp(smf_key, "service_name")) {
/* handle config in sbi library */
} else if (!strcmp(smf_key, "discovery")) {
/* handle config in sbi library */
} else if (!strcmp(smf_key, "metrics")) {
/* handle config in metrics library */
} else
ogs_warn("unknown key `%s`", smf_key);
}
}
}
rv = smf_context_validation();
if (rv != OGS_OK) return rv;
return OGS_OK;
}
smf_gtp_node_t *smf_gtp_node_new(ogs_gtp_node_t *gnode)
{
smf_gtp_node_t *smf_gnode = NULL;
char addr[OGS_ADDRSTRLEN];
ogs_pool_alloc(&smf_gtp_node_pool, &smf_gnode);
if (!smf_gnode) {
ogs_error("ogs_pool_alloc() failed");
return NULL;
}
memset(smf_gnode, 0, sizeof(smf_gtp_node_t));
addr[0] = '\0';
ogs_assert(gnode->sa_list);
ogs_inet_ntop(&gnode->sa_list[0].sa, addr, sizeof(addr));
ogs_assert(smf_metrics_init_inst_gtp_node(smf_gnode->metrics, addr)
== OGS_OK);
smf_gnode->gnode = gnode;
gnode->data_ptr = smf_gnode; /* Set backpointer */
return smf_gnode;
}
void smf_gtp_node_free(smf_gtp_node_t *smf_gnode)
{
ogs_assert(smf_gnode);
if (smf_gnode->gnode)
smf_gnode->gnode->data_ptr = NULL; /* Drop backpointer */
smf_metrics_free_inst_gtp_node(smf_gnode->metrics);
ogs_pool_free(&smf_gtp_node_pool, smf_gnode);
}
static smf_ue_t *smf_ue_add(void)
{
smf_ue_t *smf_ue = NULL;
ogs_pool_alloc(&smf_ue_pool, &smf_ue);
if (!smf_ue) {