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open5gs/lib/sbi/context.c

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/*
* Copyright (C) 2019-2023 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 "ogs-sbi.h"
int __ogs_sbi_domain;
static ogs_sbi_context_t self;
static int context_initialized = 0;
static OGS_POOL(nf_instance_pool, ogs_sbi_nf_instance_t);
static OGS_POOL(nf_service_pool, ogs_sbi_nf_service_t);
static OGS_POOL(xact_pool, ogs_sbi_xact_t);
static OGS_POOL(subscription_spec_pool, ogs_sbi_subscription_spec_t);
static OGS_POOL(subscription_data_pool, ogs_sbi_subscription_data_t);
static OGS_POOL(smf_info_pool, ogs_sbi_smf_info_t);
static OGS_POOL(amf_info_pool, ogs_sbi_amf_info_t);
static OGS_POOL(nf_info_pool, ogs_sbi_nf_info_t);
void ogs_sbi_context_init(OpenAPI_nf_type_e nf_type)
{
char nf_instance_id[OGS_UUID_FORMATTED_LENGTH + 1];
ogs_assert(nf_type);
ogs_assert(context_initialized == 0);
/* Initialize SBI context */
memset(&self, 0, sizeof(ogs_sbi_context_t));
ogs_log_install_domain(&__ogs_sbi_domain, "sbi", ogs_core()->log.level);
ogs_sbi_message_init(ogs_app()->pool.message, ogs_app()->pool.message);
ogs_sbi_server_init(ogs_app()->pool.event, ogs_app()->pool.event);
ogs_sbi_client_init(ogs_app()->pool.event, ogs_app()->pool.event);
ogs_list_init(&self.nf_instance_list);
ogs_pool_init(&nf_instance_pool, ogs_app()->pool.nf);
ogs_pool_init(&nf_service_pool, ogs_app()->pool.nf_service);
ogs_pool_init(&xact_pool, ogs_app()->pool.xact);
ogs_list_init(&self.subscription_spec_list);
ogs_pool_init(&subscription_spec_pool, ogs_app()->pool.subscription);
ogs_list_init(&self.subscription_data_list);
ogs_pool_init(&subscription_data_pool, ogs_app()->pool.subscription);
ogs_pool_init(&smf_info_pool, ogs_app()->pool.nf);
ogs_pool_init(&amf_info_pool, ogs_app()->pool.nf);
ogs_pool_init(&nf_info_pool, ogs_app()->pool.nf * OGS_MAX_NUM_OF_NF_INFO);
/* Add SELF NF-Instance */
self.nf_instance = ogs_sbi_nf_instance_add();
ogs_assert(self.nf_instance);
ogs_uuid_get(&self.uuid);
ogs_uuid_format(nf_instance_id, &self.uuid);
ogs_sbi_nf_instance_set_id(self.nf_instance, nf_instance_id);
ogs_sbi_nf_instance_set_type(self.nf_instance, nf_type);
/* Add NRF NF-Instance */
if (nf_type != OpenAPI_nf_type_NRF) {
self.nrf_instance = ogs_sbi_nf_instance_add();
ogs_assert(self.nrf_instance);
ogs_sbi_nf_instance_set_type(self.nrf_instance, OpenAPI_nf_type_NRF);
}
/* Add SCP NF-Instance */
if (nf_type != OpenAPI_nf_type_NRF) {
self.scp_instance = ogs_sbi_nf_instance_add();
ogs_assert(self.scp_instance);
ogs_sbi_nf_instance_set_type(self.scp_instance, OpenAPI_nf_type_SCP);
}
context_initialized = 1;
}
void ogs_sbi_context_final(void)
{
ogs_assert(context_initialized == 1);
ogs_sbi_subscription_data_remove_all();
ogs_pool_final(&subscription_data_pool);
ogs_sbi_subscription_spec_remove_all();
ogs_pool_final(&subscription_spec_pool);
ogs_pool_final(&xact_pool);
ogs_sbi_nf_instance_remove_all();
ogs_pool_final(&nf_instance_pool);
ogs_pool_final(&nf_service_pool);
ogs_pool_final(&smf_info_pool);
ogs_pool_final(&amf_info_pool);
ogs_pool_final(&nf_info_pool);
ogs_sbi_client_final();
ogs_sbi_server_final();
ogs_sbi_message_final();
context_initialized = 0;
}
ogs_sbi_context_t *ogs_sbi_self(void)
{
return &self;
}
static int ogs_sbi_context_prepare(void)
{
#if ENABLE_ACCEPT_ENCODING
self.content_encoding = "gzip";
#endif
self.tls.server.scheme = OpenAPI_uri_scheme_http;
self.tls.client.scheme = OpenAPI_uri_scheme_http;
return OGS_OK;
}
static int ogs_sbi_context_validation(
const char *local, const char *nrf, const char *scp)
{
/* If SMF is only used in 4G EPC, no SBI interface is required. */
if (local && strcmp(local, "smf") != 0 && ogs_sbi_server_first() == NULL) {
ogs_error("No %s.sbi.address: in '%s'", local, ogs_app()->file);
return OGS_ERROR;
}
ogs_assert(context_initialized == 1);
switch (self.discovery_config.delegated) {
case OGS_SBI_DISCOVERY_DELEGATED_AUTO:
if (local && strcmp(local, "nrf") == 0) {
/* Skip NRF */
} else if (local && strcmp(local, "scp") == 0) {
/* Skip SCP */
} else if (local && strcmp(local, "smf") == 0) {
/* Skip SMF since SMF can run 4G */
} else {
if (NF_INSTANCE_CLIENT(self.nrf_instance) ||
NF_INSTANCE_CLIENT(self.scp_instance)) {
} else {
ogs_error("DELEGATED_AUTO - Both NRF and %s are unavailable",
scp && strcmp(scp, "next_scp") == 0 ?
"Next-hop SCP" : "SCP");
return OGS_ERROR;
}
}
break;
case OGS_SBI_DISCOVERY_DELEGATED_YES:
if (NF_INSTANCE_CLIENT(self.scp_instance) == NULL) {
ogs_error("DELEGATED_YES - no %s available",
scp && strcmp(scp, "next_scp") == 0 ?
"Next-hop SCP" : "SCP");
return OGS_ERROR;
}
break;
case OGS_SBI_DISCOVERY_DELEGATED_NO:
if (NF_INSTANCE_CLIENT(self.nrf_instance) == NULL) {
ogs_error("DELEGATED_NO - no NRF available");
return OGS_ERROR;
}
break;
default:
ogs_fatal("Invalid dicovery-config delegated [%d]",
self.discovery_config.delegated);
ogs_assert_if_reached();
}
if (ogs_sbi_self()->tls.server.scheme == OpenAPI_uri_scheme_https) {
if (!ogs_sbi_self()->tls.server.private_key) {
ogs_error("HTTPS scheme enabled but no server key");
return OGS_ERROR;
}
if (!ogs_sbi_self()->tls.server.cert) {
ogs_error("HTTPS scheme enabled but no server certificate");
return OGS_ERROR;
}
}
if (ogs_sbi_self()->tls.server.verify_client) {
if (!ogs_sbi_self()->tls.server.verify_client_cacert) {
ogs_error("CLIENT verification enabled but no CA certificate");
return OGS_ERROR;
}
}
return OGS_OK;
}
int ogs_sbi_context_parse_config(
const char *local, const char *nrf, const char *scp)
{
int rv;
yaml_document_t *document = NULL;
ogs_yaml_iter_t root_iter;
document = ogs_app()->document;
ogs_assert(document);
rv = ogs_sbi_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 (local && !strcmp(root_key, local)) {
ogs_yaml_iter_t local_iter;
ogs_yaml_iter_recurse(&root_iter, &local_iter);
while (ogs_yaml_iter_next(&local_iter)) {
const char *local_key = ogs_yaml_iter_key(&local_iter);
ogs_assert(local_key);
if (!strcmp(local_key, "default")) {
ogs_yaml_iter_t default_iter;
ogs_yaml_iter_recurse(&local_iter, &default_iter);
while (ogs_yaml_iter_next(&default_iter)) {
const char *default_key =
ogs_yaml_iter_key(&default_iter);
ogs_assert(default_key);
if (!strcmp(default_key, "tls")) {
ogs_yaml_iter_t tls_iter;
ogs_yaml_iter_recurse(&default_iter, &tls_iter);
while (ogs_yaml_iter_next(&tls_iter)) {
const char *tls_key =
ogs_yaml_iter_key(&tls_iter);
ogs_assert(tls_key);
if (!strcmp(tls_key, "server")) {
ogs_yaml_iter_t server_iter;
ogs_yaml_iter_recurse(
&tls_iter, &server_iter);
while (ogs_yaml_iter_next(&server_iter)) {
const char *server_key =
ogs_yaml_iter_key(&server_iter);
ogs_assert(server_key);
if (!strcmp(server_key, "scheme")) {
const char *v = ogs_yaml_iter_value(
&server_iter);
if (v) {
if (!ogs_strcasecmp(
v, "https"))
self.tls.server.scheme =
OpenAPI_uri_scheme_https;
else if (!ogs_strcasecmp(
v, "http"))
self.tls.server.scheme =
OpenAPI_uri_scheme_http;
else
ogs_warn(
"unknown scheme `%s`",
v);
}
} else if (!strcmp(server_key,
"private_key")) {
self.tls.server.private_key =
ogs_yaml_iter_value(
&server_iter);
} else if (!strcmp(server_key,
"cert")) {
self.tls.server.cert =
ogs_yaml_iter_value(
&server_iter);
} else if (!strcmp(server_key,
"verify_client")) {
self.tls.server.verify_client =
ogs_yaml_iter_bool(
&server_iter);
} else if (!strcmp(server_key,
"verify_client_cacert")) {
self.tls.server.
verify_client_cacert =
ogs_yaml_iter_value(
&server_iter);
}
}
} else if (!strcmp(tls_key, "client")) {
ogs_yaml_iter_t client_iter;
ogs_yaml_iter_recurse(
&tls_iter, &client_iter);
while (ogs_yaml_iter_next(&client_iter)) {
const char *client_key =
ogs_yaml_iter_key(&client_iter);
ogs_assert(client_key);
if (!strcmp(client_key, "scheme")) {
const char *v = ogs_yaml_iter_value(
&client_iter);
if (v) {
if (!ogs_strcasecmp(
v, "https"))
self.tls.client.scheme =
OpenAPI_uri_scheme_https;
else if (!ogs_strcasecmp(
v, "http"))
self.tls.client.scheme =
OpenAPI_uri_scheme_http;
else
ogs_warn(
"unknown scheme `%s`",
v);
}
} else if (!strcmp(client_key,
"insecure_skip_verify")) {
self.tls.client.
insecure_skip_verify =
ogs_yaml_iter_bool(
&client_iter);
} else if (!strcmp(client_key,
"cacert")) {
self.tls.client.cacert =
ogs_yaml_iter_value(
&client_iter);
} else if (!strcmp(client_key,
"client_private_key")) {
self.tls.client.private_key =
ogs_yaml_iter_value(
&client_iter);
} else if (!strcmp(client_key,
"client_cert")) {
self.tls.client.cert =
ogs_yaml_iter_value(
&client_iter);
}
}
}
}
}
}
}
}
}
}
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 (local && !strcmp(root_key, local)) {
ogs_yaml_iter_t local_iter;
ogs_yaml_iter_recurse(&root_iter, &local_iter);
while (ogs_yaml_iter_next(&local_iter)) {
const char *local_key = ogs_yaml_iter_key(&local_iter);
ogs_assert(local_key);
if (!strcmp(local_key, "sbi")) {
ogs_yaml_iter_t sbi_iter;
ogs_yaml_iter_recurse(&local_iter, &sbi_iter);
while (ogs_yaml_iter_next(&sbi_iter)) {
const char *sbi_key = ogs_yaml_iter_key(&sbi_iter);
ogs_assert(sbi_key);
if (!strcmp(sbi_key, "server")) {
rv = ogs_sbi_context_parse_server_config(
&sbi_iter, NULL);
if (rv != OGS_OK) {
ogs_error("ogs_sbi_context_parse_server_"
"config() failed");
return rv;
}
} else if (!strcmp(sbi_key, "client")) {
ogs_yaml_iter_t client_iter;
ogs_yaml_iter_recurse(&sbi_iter, &client_iter);
while (ogs_yaml_iter_next(&client_iter)) {
const char *client_key =
ogs_yaml_iter_key(&client_iter);
ogs_assert(client_key);
if (ogs_global_conf()->
parameter.no_nrf == false &&
nrf && !strcmp(client_key, nrf)) {
ogs_yaml_iter_t nrf_array, nrf_iter;
ogs_yaml_iter_recurse(&client_iter,
&nrf_array);
do {
ogs_sbi_client_t *client = NULL;
if (ogs_yaml_iter_type(&nrf_array) ==
YAML_MAPPING_NODE) {
memcpy(&nrf_iter, &nrf_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(
&nrf_array) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&nrf_array))
break;
ogs_yaml_iter_recurse(
&nrf_array, &nrf_iter);
} else if (ogs_yaml_iter_type(
&nrf_array) ==
YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
if (NF_INSTANCE_CLIENT(
self.nrf_instance)) {
ogs_error("Only one NRF client "
"can be set");
return OGS_ERROR;
}
client =
ogs_sbi_context_parse_client_config(
&nrf_iter);
if (!client) {
ogs_error("ogs_sbi_context_parse_"
"client_config() failed");
return OGS_ERROR;
}
OGS_SBI_SETUP_CLIENT(
self.nrf_instance, client);
} while (ogs_yaml_iter_type(&nrf_array) ==
YAML_SEQUENCE_NODE);
} else if (ogs_global_conf()->
parameter.no_scp == false &&
scp && !strcmp(client_key, scp)) {
ogs_yaml_iter_t scp_array, scp_iter;
ogs_yaml_iter_recurse(
&client_iter, &scp_array);
do {
ogs_sbi_client_t *client = NULL;
if (ogs_yaml_iter_type(&scp_array) ==
YAML_MAPPING_NODE) {
memcpy(&scp_iter, &scp_array,
sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(
&scp_array) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&scp_array))
break;
ogs_yaml_iter_recurse(
&scp_array, &scp_iter);
} else if (ogs_yaml_iter_type(
&scp_array) ==
YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
if (NF_INSTANCE_CLIENT(
self.scp_instance)) {
ogs_error("Only one SCP client "
"can be set");
return OGS_ERROR;
}
client =
ogs_sbi_context_parse_client_config(
&scp_iter);
if (!client) {
ogs_error("ogs_sbi_context_parse_"
"client_config() failed");
return OGS_ERROR;
}
OGS_SBI_SETUP_CLIENT(
self.scp_instance, client);
} while (ogs_yaml_iter_type(&scp_array) ==
YAML_SEQUENCE_NODE);
}
}
} else
ogs_warn("unknown key `%s`", sbi_key);
}
} else if (!strcmp(local_key, "service_name")) {
ogs_yaml_iter_t service_name_iter;
ogs_yaml_iter_recurse(&local_iter, &service_name_iter);
ogs_assert(ogs_yaml_iter_type(
&service_name_iter) != YAML_MAPPING_NODE);
do {
const char *v = NULL;
if (ogs_yaml_iter_type(&service_name_iter) ==
YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&service_name_iter))
break;
}
v = ogs_yaml_iter_value(&service_name_iter);
if (v && strlen(v))
self.service_name[self.num_of_service_name++] = v;
} while (ogs_yaml_iter_type(
&service_name_iter) == YAML_SEQUENCE_NODE);
} else if (!strcmp(local_key, "discovery")) {
ogs_yaml_iter_t discovery_iter;
ogs_yaml_iter_recurse(&local_iter, &discovery_iter);
while (ogs_yaml_iter_next(&discovery_iter)) {
const char *discovery_key =
ogs_yaml_iter_key(&discovery_iter);
ogs_assert(discovery_key);
if (!strcmp(discovery_key, "delegated")) {
const char *delegated =
ogs_yaml_iter_value(&discovery_iter);
if (!strcmp(delegated, "auto"))
self.discovery_config.delegated =
OGS_SBI_DISCOVERY_DELEGATED_AUTO;
else if (!strcmp(delegated, "yes"))
self.discovery_config.delegated =
OGS_SBI_DISCOVERY_DELEGATED_YES;
else if (!strcmp(delegated, "no"))
self.discovery_config.delegated =
OGS_SBI_DISCOVERY_DELEGATED_NO;
else
ogs_warn("unknown 'delegated' value `%s`",
delegated);
} else if (!strcmp(discovery_key, "option")) {
ogs_yaml_iter_t option_iter;
ogs_yaml_iter_recurse(
&discovery_iter, &option_iter);
while (ogs_yaml_iter_next(&option_iter)) {
const char *option_key =
ogs_yaml_iter_key(&option_iter);
ogs_assert(option_key);
if (!strcmp(option_key, "no_service_names")) {
self.discovery_config.no_service_names =
ogs_yaml_iter_bool(&option_iter);
} else if (!strcmp(option_key,
"prefer_requester_nf_instance_id")) {
self.discovery_config.
prefer_requester_nf_instance_id =
ogs_yaml_iter_bool(&option_iter);
} else
ogs_warn("unknown key `%s`", option_key);
}
} else
ogs_warn("unknown key `%s`", discovery_key);
}
}
}
}
}
rv = ogs_sbi_context_validation(local, nrf, scp);
if (rv != OGS_OK) return rv;
return OGS_OK;
}
int ogs_sbi_context_parse_hnet_config(ogs_yaml_iter_t *root_iter)
{
int rv;
ogs_yaml_iter_t hnet_array, hnet_iter;
ogs_assert(root_iter);
ogs_yaml_iter_recurse(root_iter, &hnet_array);
do {
uint8_t id = 0, scheme = 0;
const char *filename = NULL;
if (ogs_yaml_iter_type(&hnet_array) == YAML_MAPPING_NODE) {
memcpy(&hnet_iter, &hnet_array, sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(&hnet_array) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&hnet_array))
break;
ogs_yaml_iter_recurse(&hnet_array, &hnet_iter);
} else if (ogs_yaml_iter_type(&hnet_array) == YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
while (ogs_yaml_iter_next(&hnet_iter)) {
const char *hnet_key = ogs_yaml_iter_key(&hnet_iter);
ogs_assert(hnet_key);
if (!strcmp(hnet_key, "id")) {
const char *v = ogs_yaml_iter_value(&hnet_iter);
if (v) {
if (atoi(v) >= 1 && atoi(v) <= 254)
id = atoi(v);
}
} else if (!strcmp(hnet_key, "scheme")) {
const char *v = ogs_yaml_iter_value(&hnet_iter);
if (v) {
if (atoi(v) == 1 || atoi(v) == 2)
scheme = atoi(v);
}
} else if (!strcmp(hnet_key, "key")) {
filename = ogs_yaml_iter_value(&hnet_iter);
} else
ogs_warn("unknown key `%s`", hnet_key);
}
if (id >= OGS_HOME_NETWORK_PKI_VALUE_MIN &&
id <= OGS_HOME_NETWORK_PKI_VALUE_MAX &&
filename) {
if (scheme == OGS_PROTECTION_SCHEME_PROFILE_A) {
rv = ogs_pem_decode_curve25519_key(
filename, self.hnet[id].key);
if (rv == OGS_OK) {
self.hnet[id].avail = true;
self.hnet[id].scheme = scheme;
} else {
ogs_error("ogs_pem_decode_curve25519_key"
"[%s] failed", filename);
}
} else if (scheme == OGS_PROTECTION_SCHEME_PROFILE_B) {
rv = ogs_pem_decode_secp256r1_key(
filename, self.hnet[id].key);
if (rv == OGS_OK) {
self.hnet[id].avail = true;
self.hnet[id].scheme = scheme;
} else {
ogs_error("ogs_pem_decode_secp256r1_key[%s]"
" failed", filename);
}
} else
ogs_error("Invalid scheme [%d]", scheme);
} else
ogs_error("Invalid home network configuration "
"[id:%d, filename:%s]", id, filename);
} while (ogs_yaml_iter_type(&hnet_array) == YAML_SEQUENCE_NODE);
return OGS_OK;
}
int ogs_sbi_context_parse_server_config(
ogs_yaml_iter_t *parent, const char *interface)
{
int rv;
ogs_sbi_server_t *server = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
ogs_list_t list, list6;
ogs_socknode_t *node = NULL, *node6 = NULL;
ogs_assert(parent);
ogs_yaml_iter_t server_iter, server_array;
ogs_yaml_iter_recurse(parent, &server_array);
do {
int i, family = AF_UNSPEC;
int num = 0;
const char *hostname[OGS_MAX_NUM_OF_HOSTNAME];
int num_of_advertise = 0;
const char *advertise[OGS_MAX_NUM_OF_HOSTNAME];
uint16_t port = 0;
const char *dev = NULL;
ogs_sockaddr_t *addr = NULL;
const char *private_key = NULL, *cert = NULL;
bool verify_client = false;
const char *verify_client_cacert = NULL;
ogs_sockopt_t option;
bool is_option = false;
if (ogs_yaml_iter_type(&server_array) == YAML_MAPPING_NODE) {
memcpy(&server_iter, &server_array, sizeof(ogs_yaml_iter_t));
} else if (ogs_yaml_iter_type(&server_array) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&server_array))
break;
ogs_yaml_iter_recurse(&server_array, &server_iter);
} else if (ogs_yaml_iter_type(&server_array) == YAML_SCALAR_NODE) {
break;
} else
ogs_assert_if_reached();
while (ogs_yaml_iter_next(&server_iter)) {
const char *server_key = ogs_yaml_iter_key(&server_iter);
ogs_assert(server_key);
if (!strcmp(server_key, OGS_SBI_INTERFACE_NAME_N32F)) {
rv = ogs_sbi_context_parse_server_config(
&server_iter, server_key);
if (rv != OGS_OK) {
ogs_error("ogs_sbi_context_parse_server_config() "
"failed[key:%s]", server_key);
return rv;
}
} else if (!strcmp(server_key, "family")) {
const char *v = ogs_yaml_iter_value(&server_iter);
if (v) family = atoi(v);
if (family != AF_UNSPEC && family != AF_INET &&
family != AF_INET6) {
ogs_warn("Ignore family(%d) : AF_UNSPEC(%d), "
"AF_INET(%d), AF_INET6(%d) ",
family, AF_UNSPEC, AF_INET, AF_INET6);
family = AF_UNSPEC;
}
} else if (!strcmp(server_key, "address")) {
ogs_yaml_iter_t hostname_iter;
ogs_yaml_iter_recurse(&server_iter, &hostname_iter);
ogs_assert(ogs_yaml_iter_type(
&hostname_iter) != YAML_MAPPING_NODE);
do {
if (ogs_yaml_iter_type(
&hostname_iter) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&hostname_iter))
break;
}
ogs_assert(num < OGS_MAX_NUM_OF_HOSTNAME);
hostname[num++] = ogs_yaml_iter_value(&hostname_iter);
} while (ogs_yaml_iter_type(
&hostname_iter) == YAML_SEQUENCE_NODE);
} else if (!strcmp(server_key, "advertise")) {
ogs_yaml_iter_t advertise_iter;
ogs_yaml_iter_recurse(&server_iter, &advertise_iter);
ogs_assert(ogs_yaml_iter_type(
&advertise_iter) != YAML_MAPPING_NODE);
do {
if (ogs_yaml_iter_type(
&advertise_iter) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&advertise_iter))
break;
}
ogs_assert(num_of_advertise < OGS_MAX_NUM_OF_HOSTNAME);
advertise[num_of_advertise++] =
ogs_yaml_iter_value(&advertise_iter);
} while (ogs_yaml_iter_type(
&advertise_iter) == YAML_SEQUENCE_NODE);
} else if (!strcmp(server_key, "port")) {
const char *v = ogs_yaml_iter_value(&server_iter);
if (v)
port = atoi(v);
} else if (!strcmp(server_key, "dev")) {
dev = ogs_yaml_iter_value(&server_iter);
} else if (!strcmp(server_key, "scheme")) {
const char *v = ogs_yaml_iter_value(&server_iter);
if (v) {
if (!ogs_strcasecmp(v, "https"))
scheme = OpenAPI_uri_scheme_https;
else if (!ogs_strcasecmp(v, "http"))
scheme = OpenAPI_uri_scheme_http;
else
ogs_warn("unknown scheme `%s`", v);
}
} else if (!strcmp(server_key, "private_key")) {
private_key = ogs_yaml_iter_value(&server_iter);
} else if (!strcmp(server_key, "cert")) {
cert = ogs_yaml_iter_value(&server_iter);
} else if (!strcmp(server_key, "verify_client")) {
verify_client = ogs_yaml_iter_bool(&server_iter);
} else if (!strcmp(server_key, "verify_client_cacert")) {
verify_client_cacert = ogs_yaml_iter_value(&server_iter);
} else if (!strcmp(server_key, "option")) {
rv = ogs_app_parse_sockopt_config(&server_iter, &option);
if (rv != OGS_OK) {
ogs_error("ogs_app_parse_sockopt_config() failed");
return rv;
}
is_option = true;
}
}
if (scheme == OpenAPI_uri_scheme_NULL)
scheme = ogs_sbi_self()->tls.server.scheme;
if (!port) {
if (scheme == OpenAPI_uri_scheme_https)
port = OGS_SBI_HTTPS_PORT;
else if (scheme == OpenAPI_uri_scheme_http)
port = OGS_SBI_HTTP_PORT;
else
ogs_assert_if_reached();
}
addr = NULL;
for (i = 0; i < num; i++) {
rv = ogs_addaddrinfo(&addr, family, hostname[i], port, 0);
ogs_assert(rv == OGS_OK);
}
ogs_list_init(&list);
ogs_list_init(&list6);
if (addr) {
if (ogs_global_conf()->parameter.no_ipv4 == 0)
ogs_socknode_add(&list, AF_INET, addr, NULL);
if (ogs_global_conf()->parameter.no_ipv6 == 0)
ogs_socknode_add(&list6, AF_INET6, addr, NULL);
ogs_freeaddrinfo(addr);
}
if (dev) {
rv = ogs_socknode_probe(
ogs_global_conf()->parameter.no_ipv4 ? NULL : &list,
ogs_global_conf()->parameter.no_ipv6 ? NULL : &list6,
dev, port, NULL);
ogs_assert(rv == OGS_OK);
}
addr = NULL;
for (i = 0; i < num_of_advertise; i++) {
rv = ogs_addaddrinfo(&addr, family, advertise[i], port, 0);
ogs_assert(rv == OGS_OK);
}
node = ogs_list_first(&list);
if (node) {
server = ogs_sbi_server_add(
interface, scheme, node->addr, is_option ? &option : NULL);
ogs_assert(server);
if (addr && ogs_global_conf()->parameter.no_ipv4 == 0)
ogs_sbi_server_set_advertise(server, AF_INET, addr);
if (verify_client == true)
server->verify_client = true;
if (verify_client_cacert) {
if (server->verify_client_cacert)
ogs_free(server->verify_client_cacert);
server->verify_client_cacert = ogs_strdup(verify_client_cacert);
ogs_assert(server->verify_client_cacert);
}
if (server->verify_client == true &&
!server->verify_client_cacert) {
ogs_error("CLIENT verification enabled but no CA certificate");
return OGS_ERROR;
}
if (private_key) {
if (server->private_key)
ogs_free(server->private_key);
server->private_key = ogs_strdup(private_key);
ogs_assert(server->private_key);
}
if (cert) {
if (server->cert)
ogs_free(server->cert);
server->cert = ogs_strdup(cert);
ogs_assert(server->cert);
}
if (scheme == OpenAPI_uri_scheme_https) {
if (!server->private_key) {
ogs_error("HTTPS scheme enabled but no server key");
return OGS_ERROR;
}
if (!server->cert) {
ogs_error("HTTPS scheme enabled but no server certificate");
return OGS_ERROR;
}
}
}
node6 = ogs_list_first(&list6);
if (node6) {
server = ogs_sbi_server_add(
interface, scheme, node6->addr, is_option ? &option : NULL);
ogs_assert(server);
if (addr && ogs_global_conf()->parameter.no_ipv6 == 0)
ogs_sbi_server_set_advertise(server, AF_INET6, addr);
if (verify_client == true)
server->verify_client = true;
if (verify_client_cacert) {
if (server->verify_client_cacert)
ogs_free(server->verify_client_cacert);
server->verify_client_cacert = ogs_strdup(verify_client_cacert);
ogs_assert(server->verify_client_cacert);
}
if (server->verify_client == true &&
!server->verify_client_cacert) {
ogs_error("CLIENT verification enabled but no CA certificate");
return OGS_ERROR;
}
if (private_key) {
if (server->private_key)
ogs_free(server->private_key);
server->private_key = ogs_strdup(private_key);
ogs_assert(server->private_key);
}
if (cert) {
if (server->cert)
ogs_free(server->cert);
server->cert = ogs_strdup(cert);
ogs_assert(server->cert);
}
if (scheme == OpenAPI_uri_scheme_https) {
if (!server->private_key) {
ogs_error("HTTPS scheme enabled but no server key");
return OGS_ERROR;
}
if (!server->cert) {
ogs_error("HTTPS scheme enabled but no server certificate");
return OGS_ERROR;
}
}
}
if (addr)
ogs_freeaddrinfo(addr);
ogs_socknode_remove_all(&list);
ogs_socknode_remove_all(&list6);
} while (ogs_yaml_iter_type(&server_array) == YAML_SEQUENCE_NODE);
return OGS_OK;
}
ogs_sbi_client_t *ogs_sbi_context_parse_client_config(ogs_yaml_iter_t *iter)
{
ogs_sbi_client_t *client = NULL;
const char *uri = NULL;
int num_of_resolve = 0;
const char *resolve[OGS_MAX_NUM_OF_HOSTNAME];
bool insecure_skip_verify = false;
const char *cacert = NULL;
const char *client_private_key = NULL;
const char *client_cert = NULL;
bool rc;
OpenAPI_uri_scheme_e scheme =
OpenAPI_uri_scheme_NULL;
char *fqdn = NULL;
uint16_t fqdn_port = 0;
ogs_sockaddr_t *addr = NULL;
ogs_sockaddr_t *addr6 = NULL;
ogs_assert(iter);
while (ogs_yaml_iter_next(iter)) {
const char *key = ogs_yaml_iter_key(iter);
ogs_assert(key);
if (!strcmp(key, "uri")) {
uri = ogs_yaml_iter_value(iter);
} else if (!strcmp(key, "resolve")) {
ogs_yaml_iter_t resolve_iter;
ogs_yaml_iter_recurse(iter, &resolve_iter);
ogs_assert(ogs_yaml_iter_type(&resolve_iter) != YAML_MAPPING_NODE);
do {
if (ogs_yaml_iter_type(&resolve_iter) == YAML_SEQUENCE_NODE) {
if (!ogs_yaml_iter_next(&resolve_iter))
break;
}
ogs_assert(num_of_resolve < OGS_MAX_NUM_OF_HOSTNAME);
resolve[num_of_resolve++] = ogs_yaml_iter_value(&resolve_iter);
} while (ogs_yaml_iter_type(&resolve_iter) == YAML_SEQUENCE_NODE);
} else if (!strcmp(key, "insecure_skip_verify")) {
insecure_skip_verify = ogs_yaml_iter_bool(iter);
} else if (!strcmp(key, "cacert")) {
cacert = ogs_yaml_iter_value(iter);
} else if (!strcmp(key, "client_private_key")) {
client_private_key = ogs_yaml_iter_value(iter);
} else if (!strcmp(key, "client_cert")) {
client_cert = ogs_yaml_iter_value(iter);
}
}
if (!uri) {
ogs_error("URI[%s] is required", uri ? uri : "NULL");
return NULL;
}
rc = ogs_sbi_getaddr_from_uri(
&scheme, &fqdn, &fqdn_port, &addr, &addr6, (char *)uri);
if (rc == false) {
if (!scheme)
ogs_error("Invalid Scheme in URI[%s]", uri);
else
ogs_error("Invalid URI[%s]", uri);
return NULL;
}
switch (scheme) {
case OpenAPI_uri_scheme_https:
if (!fqdn) {
ogs_error("HTTPS(TLS) must be set to FQDN [uri:%s]", uri);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
return NULL;
}
client = ogs_sbi_client_add(scheme, fqdn, fqdn_port, NULL, NULL);
ogs_assert(client);
break;
case OpenAPI_uri_scheme_http:
client = ogs_sbi_client_add(scheme, fqdn, fqdn_port, addr, addr6);
ogs_assert(client);
break;
default:
ogs_fatal("Invalid Scheme[%d]", scheme);
ogs_assert_if_reached();
}
if (num_of_resolve)
client->resolve = ogs_sbi_client_resolve(
scheme, fqdn, fqdn_port, resolve, num_of_resolve);
if (insecure_skip_verify == true)
client->insecure_skip_verify = true;
if (cacert) {
if (client->cacert)
ogs_free(client->cacert);
client->cacert = ogs_strdup(cacert);
ogs_assert(client->cacert);
}
if (client_private_key) {
if (client->private_key)
ogs_free(client->private_key);
client->private_key = ogs_strdup(client_private_key);
ogs_assert(client->private_key);
}
if (client_cert) {
if (client->cert)
ogs_free(client->cert);
client->cert = ogs_strdup(client_cert);
ogs_assert(client->cert);
}
if ((!client_private_key && client_cert) ||
(client_private_key && !client_cert)) {
ogs_error("Either the private key or certificate is missing.");
ogs_sbi_client_remove(client);
return NULL;
}
ogs_free(fqdn);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
return client;
}
bool ogs_sbi_nf_service_is_available(const char *name)
{
int i;
ogs_assert(name);
if (self.num_of_service_name == 0)
/* If no service name is configured, all services are available */
return true;
for (i = 0; i < self.num_of_service_name; i++)
/* Only services in the configuration are available */
if (strcmp(self.service_name[i], name) == 0)
return true;
return false;
}
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_add(void)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_pool_alloc(&nf_instance_pool, &nf_instance);
ogs_assert(nf_instance);
memset(nf_instance, 0, sizeof(ogs_sbi_nf_instance_t));
OGS_OBJECT_REF(nf_instance);
nf_instance->time.heartbeat_interval =
ogs_local_conf()->time.nf_instance.heartbeat_interval;
nf_instance->priority = OGS_SBI_DEFAULT_PRIORITY;
nf_instance->capacity = OGS_SBI_DEFAULT_CAPACITY;
nf_instance->load = OGS_SBI_DEFAULT_LOAD;
ogs_list_add(&ogs_sbi_self()->nf_instance_list, nf_instance);
ogs_debug("[%s] NFInstance added with Ref [%s:%d]",
nf_instance->nf_type ?
OpenAPI_nf_type_ToString(nf_instance->nf_type) : "NULL",
nf_instance->id, nf_instance->reference_count);
return nf_instance;
}
void ogs_sbi_nf_instance_set_id(ogs_sbi_nf_instance_t *nf_instance, char *id)
{
ogs_assert(nf_instance);
ogs_assert(id);
nf_instance->id = ogs_strdup(id);
ogs_assert(nf_instance->id);
}
void ogs_sbi_nf_instance_set_type(
ogs_sbi_nf_instance_t *nf_instance, OpenAPI_nf_type_e nf_type)
{
ogs_assert(nf_instance);
ogs_assert(nf_type);
nf_instance->nf_type = nf_type;
}
void ogs_sbi_nf_instance_set_status(
ogs_sbi_nf_instance_t *nf_instance, OpenAPI_nf_status_e nf_status)
{
ogs_assert(nf_instance);
ogs_assert(nf_status);
nf_instance->nf_status = nf_status;
}
void ogs_sbi_nf_instance_add_allowed_nf_type(
ogs_sbi_nf_instance_t *nf_instance, OpenAPI_nf_type_e allowed_nf_type)
{
ogs_assert(nf_instance);
ogs_assert(allowed_nf_type);
if (nf_instance->num_of_allowed_nf_type < OGS_SBI_MAX_NUM_OF_NF_TYPE) {
nf_instance->allowed_nf_type[nf_instance->num_of_allowed_nf_type] =
allowed_nf_type;
nf_instance->num_of_allowed_nf_type++;
}
}
bool ogs_sbi_nf_instance_is_allowed_nf_type(
ogs_sbi_nf_instance_t *nf_instance, OpenAPI_nf_type_e allowed_nf_type)
{
int i;
ogs_assert(nf_instance);
ogs_assert(allowed_nf_type);
if (!nf_instance->num_of_allowed_nf_type) {
return true;
}
for (i = 0; i < nf_instance->num_of_allowed_nf_type; i++) {
if (nf_instance->allowed_nf_type[i] == allowed_nf_type)
return true;
}
ogs_error("Not allowed nf-type[%s] in nf-instance[%s]",
OpenAPI_nf_type_ToString(allowed_nf_type),
OpenAPI_nf_type_ToString(nf_instance->nf_type));
return false;
}
void ogs_sbi_nf_instance_clear(ogs_sbi_nf_instance_t *nf_instance)
{
int i;
ogs_assert(nf_instance);
if (nf_instance->fqdn)
ogs_free(nf_instance->fqdn);
nf_instance->fqdn = NULL;
for (i = 0; i < nf_instance->num_of_ipv4; i++) {
if (nf_instance->ipv4[i])
ogs_freeaddrinfo(nf_instance->ipv4[i]);
}
nf_instance->num_of_ipv4 = 0;
for (i = 0; i < nf_instance->num_of_ipv6; i++) {
if (nf_instance->ipv6[i])
ogs_freeaddrinfo(nf_instance->ipv6[i]);
}
nf_instance->num_of_ipv6 = 0;
nf_instance->num_of_allowed_nf_type = 0;
}
void ogs_sbi_nf_instance_remove(ogs_sbi_nf_instance_t *nf_instance)
{
ogs_assert(nf_instance);
ogs_debug("[%s] NFInstance UnRef [%s:%d]",
nf_instance->nf_type ?
OpenAPI_nf_type_ToString(nf_instance->nf_type) : "NULL",
nf_instance->id, nf_instance->reference_count);
if (OGS_OBJECT_IS_REF(nf_instance)) {
OGS_OBJECT_UNREF(nf_instance);
return;
}
ogs_debug("[%s] NFInstance removed [%s:%d]",
nf_instance->nf_type ?
OpenAPI_nf_type_ToString(nf_instance->nf_type) : "NULL",
nf_instance->id, nf_instance->reference_count);
ogs_list_remove(&ogs_sbi_self()->nf_instance_list, nf_instance);
ogs_sbi_nf_info_remove_all(&nf_instance->nf_info_list);
ogs_sbi_nf_service_remove_all(nf_instance);
ogs_sbi_nf_instance_clear(nf_instance);
if (nf_instance->id) {
ogs_sbi_subscription_data_remove_all_by_nf_instance_id(nf_instance->id);
ogs_free(nf_instance->id);
}
if (nf_instance->client)
ogs_sbi_client_remove(nf_instance->client);
ogs_pool_free(&nf_instance_pool, nf_instance);
}
void ogs_sbi_nf_instance_remove_all(void)
{
ogs_sbi_nf_instance_t *nf_instance = NULL, *next_nf_instance = NULL;
ogs_list_for_each_safe(
&ogs_sbi_self()->nf_instance_list, next_nf_instance, nf_instance)
ogs_sbi_nf_instance_remove(nf_instance);
}
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_find(char *id)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_assert(id);
ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
if (nf_instance->id && strcmp(nf_instance->id, id) == 0)
break;
}
return nf_instance;
}
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_find_by_discovery_param(
OpenAPI_nf_type_e target_nf_type,
OpenAPI_nf_type_e requester_nf_type,
ogs_sbi_discovery_option_t *discovery_option)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_assert(target_nf_type);
ogs_assert(requester_nf_type);
ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
if (ogs_sbi_discovery_param_is_matched(
nf_instance, target_nf_type, requester_nf_type,
discovery_option) == false)
continue;
return nf_instance;
}
return NULL;
}
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_find_by_service_type(
ogs_sbi_service_type_e service_type,
OpenAPI_nf_type_e requester_nf_type)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_discovery_option_t *discovery_option = NULL;
OpenAPI_nf_type_e target_nf_type = OpenAPI_nf_type_NULL;
char *service_name = NULL;
ogs_assert(requester_nf_type);
ogs_assert(service_type);
target_nf_type = ogs_sbi_service_type_to_nf_type(service_type);
ogs_assert(target_nf_type);
service_name = (char *)ogs_sbi_service_type_to_name(service_type);
ogs_assert(service_name);
discovery_option = ogs_sbi_discovery_option_new();
ogs_assert(discovery_option);
ogs_sbi_discovery_option_add_service_names(discovery_option, service_name);
nf_instance = ogs_sbi_nf_instance_find_by_discovery_param(
target_nf_type, requester_nf_type, discovery_option);
ogs_sbi_discovery_option_free(discovery_option);
return nf_instance;
}
bool ogs_sbi_nf_instance_maximum_number_is_reached(void)
{
return nf_instance_pool.avail <= 0;
}
ogs_sbi_nf_service_t *ogs_sbi_nf_service_add(
ogs_sbi_nf_instance_t *nf_instance,
char *id, const char *name, OpenAPI_uri_scheme_e scheme)
{
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_assert(nf_instance);
ogs_assert(id);
ogs_assert(name);
ogs_pool_alloc(&nf_service_pool, &nf_service);
ogs_assert(nf_service);
memset(nf_service, 0, sizeof(ogs_sbi_nf_service_t));
nf_service->id = ogs_strdup(id);
ogs_assert(nf_service->id);
nf_service->name = ogs_strdup(name);
ogs_assert(nf_service->name);
nf_service->scheme = scheme;
ogs_assert(nf_service->scheme);
nf_service->status = OpenAPI_nf_service_status_REGISTERED;
nf_service->priority = OGS_SBI_DEFAULT_PRIORITY;
nf_service->capacity = OGS_SBI_DEFAULT_CAPACITY;
nf_service->load = OGS_SBI_DEFAULT_LOAD;
nf_service->nf_instance = nf_instance;
ogs_list_add(&nf_instance->nf_service_list, nf_service);
return nf_service;
}
void ogs_sbi_nf_service_add_version(ogs_sbi_nf_service_t *nf_service,
const char *in_uri, const char *full, const char *expiry)
{
ogs_assert(nf_service);
ogs_assert(in_uri);
ogs_assert(full);
if (nf_service->num_of_version < OGS_SBI_MAX_NUM_OF_SERVICE_VERSION) {
nf_service->version[nf_service->num_of_version].in_uri =
ogs_strdup(in_uri);
ogs_assert(nf_service->version[nf_service->num_of_version].in_uri);
nf_service->version[nf_service->num_of_version].full =
ogs_strdup(full);
ogs_assert(nf_service->version[nf_service->num_of_version].full);
if (expiry) {
nf_service->version[nf_service->num_of_version].expiry =
ogs_strdup(expiry);
ogs_assert(
nf_service->version[nf_service->num_of_version].expiry);
}
nf_service->num_of_version++;
}
}
void ogs_sbi_nf_service_add_allowed_nf_type(
ogs_sbi_nf_service_t *nf_service, OpenAPI_nf_type_e allowed_nf_type)
{
ogs_assert(nf_service);
ogs_assert(allowed_nf_type);
if (nf_service->num_of_allowed_nf_type < OGS_SBI_MAX_NUM_OF_NF_TYPE) {
nf_service->allowed_nf_type[nf_service->num_of_allowed_nf_type] =
allowed_nf_type;
nf_service->num_of_allowed_nf_type++;
}
}
bool ogs_sbi_nf_service_is_allowed_nf_type(
ogs_sbi_nf_service_t *nf_service, OpenAPI_nf_type_e allowed_nf_type)
{
int i;
ogs_assert(nf_service);
ogs_assert(allowed_nf_type);
if (!nf_service->num_of_allowed_nf_type) {
return true;
}
for (i = 0; i < nf_service->num_of_allowed_nf_type; i++) {
if (nf_service->allowed_nf_type[i] == allowed_nf_type)
return true;
}
ogs_assert(nf_service->name);
ogs_error("Not allowed nf-type[%s] in nf-service[%s]",
OpenAPI_nf_type_ToString(allowed_nf_type),
nf_service->name);
return false;
}
void ogs_sbi_nf_service_clear(ogs_sbi_nf_service_t *nf_service)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
int i;
ogs_assert(nf_service);
nf_instance = nf_service->nf_instance;
ogs_assert(nf_instance);
if (nf_service->fqdn)
ogs_free(nf_service->fqdn);
nf_service->fqdn = NULL;
for (i = 0; i < nf_service->num_of_version; i++) {
if (nf_service->version[i].in_uri)
ogs_free(nf_service->version[i].in_uri);
if (nf_service->version[i].full)
ogs_free(nf_service->version[i].full);
if (nf_service->version[i].expiry)
ogs_free(nf_service->version[i].expiry);
}
nf_service->num_of_version = 0;
for (i = 0; i < nf_service->num_of_addr; i++) {
if (nf_service->addr[i].ipv4)
ogs_freeaddrinfo(nf_service->addr[i].ipv4);
if (nf_service->addr[i].ipv6)
ogs_freeaddrinfo(nf_service->addr[i].ipv6);
}
nf_service->num_of_addr = 0;
nf_service->num_of_allowed_nf_type = 0;
}
void ogs_sbi_nf_service_remove(ogs_sbi_nf_service_t *nf_service)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_assert(nf_service);
nf_instance = nf_service->nf_instance;
ogs_assert(nf_instance);
ogs_list_remove(&nf_instance->nf_service_list, nf_service);
ogs_assert(nf_service->id);
ogs_free(nf_service->id);
ogs_assert(nf_service->name);
ogs_free(nf_service->name);
ogs_sbi_nf_service_clear(nf_service);
if (nf_service->client)
ogs_sbi_client_remove(nf_service->client);
ogs_pool_free(&nf_service_pool, nf_service);
}
void ogs_sbi_nf_service_remove_all(ogs_sbi_nf_instance_t *nf_instance)
{
ogs_sbi_nf_service_t *nf_service = NULL, *next_nf_service = NULL;
ogs_assert(nf_instance);
ogs_list_for_each_safe(&nf_instance->nf_service_list,
next_nf_service, nf_service)
ogs_sbi_nf_service_remove(nf_service);
}
ogs_sbi_nf_service_t *ogs_sbi_nf_service_find_by_id(
ogs_sbi_nf_instance_t *nf_instance, char *id)
{
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_assert(nf_instance);
ogs_assert(id);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
ogs_assert(nf_service->id);
if (strcmp(nf_service->id, id) == 0)
break;
}
return nf_service;
}
ogs_sbi_nf_service_t *ogs_sbi_nf_service_find_by_name(
ogs_sbi_nf_instance_t *nf_instance, char *name)
{
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_assert(nf_instance);
ogs_assert(name);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
ogs_assert(nf_service->name);
if (strcmp(nf_service->name, name) == 0)
return nf_service;
}
return NULL;
}
ogs_sbi_nf_info_t *ogs_sbi_nf_info_add(
ogs_list_t *list, OpenAPI_nf_type_e nf_type)
{
ogs_sbi_nf_info_t *nf_info = NULL;
ogs_assert(list);
ogs_assert(nf_type);
ogs_pool_alloc(&nf_info_pool, &nf_info);
if (!nf_info) {
ogs_fatal("ogs_pool_alloc() failed");
return NULL;
}
memset(nf_info, 0, sizeof(*nf_info));
nf_info->nf_type = nf_type;
ogs_list_add(list, nf_info);
return nf_info;
}
static void amf_info_free(ogs_sbi_amf_info_t *amf_info)
{
ogs_assert(amf_info);
amf_info->num_of_guami = 0;
amf_info->num_of_nr_tai = 0;
amf_info->num_of_nr_tai_range = 0;
ogs_pool_free(&amf_info_pool, amf_info);
}
static void smf_info_free(ogs_sbi_smf_info_t *smf_info)
{
int i, j;
ogs_assert(smf_info);
for (i = 0; i < smf_info->num_of_slice; i++) {
for (j = 0; j < smf_info->slice[i].num_of_dnn; j++)
ogs_free(smf_info->slice[i].dnn[j]);
smf_info->slice[i].num_of_dnn = 0;
}
smf_info->num_of_slice = 0;
smf_info->num_of_nr_tai = 0;
smf_info->num_of_nr_tai_range = 0;
ogs_pool_free(&smf_info_pool, smf_info);
}
static void scp_info_free(ogs_sbi_scp_info_t *scp_info)
{
int i;
for (i = 0; i < scp_info->num_of_domain; i++) {
if (scp_info->domain[i].name)
ogs_free(scp_info->domain[i].name);
if (scp_info->domain[i].fqdn)
ogs_free(scp_info->domain[i].fqdn);
}
scp_info->num_of_domain = 0;
}
static void sepp_info_free(ogs_sbi_sepp_info_t *sepp_info)
{
}
void ogs_sbi_nf_info_remove(ogs_list_t *list, ogs_sbi_nf_info_t *nf_info)
{
ogs_assert(list);
ogs_assert(nf_info);
ogs_list_remove(list, nf_info);
switch(nf_info->nf_type) {
case OpenAPI_nf_type_AMF:
amf_info_free(&nf_info->amf);
break;
case OpenAPI_nf_type_SMF:
smf_info_free(&nf_info->smf);
break;
case OpenAPI_nf_type_SCP:
scp_info_free(&nf_info->scp);
break;
case OpenAPI_nf_type_SEPP:
sepp_info_free(&nf_info->sepp);
break;
default:
ogs_fatal("Not implemented NF-type[%s]",
OpenAPI_nf_type_ToString(nf_info->nf_type));
ogs_assert_if_reached();
}
ogs_pool_free(&nf_info_pool, nf_info);
}
void ogs_sbi_nf_info_remove_all(ogs_list_t *list)
{
ogs_sbi_nf_info_t *nf_info = NULL, *next_nf_info = NULL;
ogs_assert(list);
ogs_list_for_each_safe(list, next_nf_info, nf_info)
ogs_sbi_nf_info_remove(list, nf_info);
}
ogs_sbi_nf_info_t *ogs_sbi_nf_info_find(
ogs_list_t *list, OpenAPI_nf_type_e nf_type)
{
ogs_sbi_nf_info_t *nf_info = NULL;
ogs_assert(list);
ogs_assert(nf_type);
ogs_list_for_each(list, nf_info) {
if (nf_info->nf_type == nf_type)
return nf_info;
}
return NULL;
}
bool ogs_sbi_check_amf_info_guami(
ogs_sbi_amf_info_t *amf_info, ogs_guami_t *guami)
{
int i;
ogs_assert(amf_info);
ogs_assert(guami);
for (i = 0; i < amf_info->num_of_guami; i++) {
if ((memcmp(&amf_info->guami[i].amf_id, &guami->amf_id,
sizeof(ogs_amf_id_t)) == 0) &&
(memcmp(&amf_info->guami[i].plmn_id, &guami->plmn_id,
OGS_PLMN_ID_LEN) == 0)) {
return true;
}
}
return false;
}
bool ogs_sbi_check_smf_info_slice(
ogs_sbi_smf_info_t *smf_info, ogs_s_nssai_t *s_nssai, char *dnn)
{
int i, j;
ogs_assert(smf_info);
ogs_assert(s_nssai);
ogs_assert(dnn);
for (i = 0; i < smf_info->num_of_slice; i++) {
if (s_nssai->sst == smf_info->slice[i].s_nssai.sst &&
s_nssai->sd.v == smf_info->slice[i].s_nssai.sd.v) {
for (j = 0; j < smf_info->slice[i].num_of_dnn; j++) {
if (ogs_strcasecmp(dnn, smf_info->slice[i].dnn[j]) == 0)
return true;
}
}
}
return false;
}
bool ogs_sbi_check_smf_info_tai(
ogs_sbi_smf_info_t *smf_info, ogs_5gs_tai_t *tai)
{
int i, j;
ogs_assert(smf_info);
ogs_assert(tai);
if (smf_info->num_of_nr_tai == 0 && smf_info->num_of_nr_tai_range == 0)
return true;
for (i = 0; i < smf_info->num_of_nr_tai; i++) {
if (memcmp(&tai->plmn_id,
&smf_info->nr_tai[i].plmn_id, OGS_PLMN_ID_LEN) == 0) {
if (tai->tac.v == smf_info->nr_tai[i].tac.v)
return true;
}
}
for (i = 0; i < smf_info->num_of_nr_tai_range; i++) {
if (memcmp(&tai->plmn_id,
&smf_info->nr_tai_range[i].plmn_id, OGS_PLMN_ID_LEN) == 0) {
for (j = 0; j < smf_info->nr_tai_range[i].num_of_tac_range; j++) {
if (tai->tac.v >= smf_info->nr_tai_range[i].start[j].v &&
tai->tac.v <= smf_info->nr_tai_range[i].end[j].v) {
return true;
}
}
}
}
return false;
}
void ogs_sbi_nf_instance_build_default(ogs_sbi_nf_instance_t *nf_instance)
{
ogs_sbi_server_t *server = NULL;
char *hostname = NULL;
ogs_assert(nf_instance);
ogs_sbi_nf_instance_set_status(nf_instance, OpenAPI_nf_status_REGISTERED);
hostname = NULL;
for (server = ogs_sbi_server_first();
server; server = ogs_sbi_server_next(server)) {
ogs_sockaddr_t *advertise = NULL;
advertise = server->advertise;
if (!advertise)
advertise = server->node.addr;
ogs_assert(advertise);
/* First FQDN is selected */
if (!hostname) {
hostname = ogs_gethostname(advertise);
if (hostname)
continue;
}
if (nf_instance->num_of_ipv4 < OGS_SBI_MAX_NUM_OF_IP_ADDRESS) {
ogs_sockaddr_t *addr = NULL;
ogs_assert(OGS_OK == ogs_copyaddrinfo(&addr, advertise));
ogs_assert(addr);
if (addr->ogs_sa_family == AF_INET) {
nf_instance->ipv4[nf_instance->num_of_ipv4] = addr;
nf_instance->num_of_ipv4++;
} else if (addr->ogs_sa_family == AF_INET6) {
nf_instance->ipv6[nf_instance->num_of_ipv6] = addr;
nf_instance->num_of_ipv6++;
} else
ogs_assert_if_reached();
}
}
if (hostname) {
nf_instance->fqdn = ogs_strdup(hostname);
ogs_assert(nf_instance->fqdn);
}
nf_instance->time.heartbeat_interval =
ogs_local_conf()->time.nf_instance.heartbeat_interval;
if (ogs_local_conf()->num_of_serving_plmn_id) {
memcpy(nf_instance->plmn_id, ogs_local_conf()->serving_plmn_id,
sizeof(nf_instance->plmn_id));
nf_instance->num_of_plmn_id = ogs_local_conf()->num_of_serving_plmn_id;
}
}
ogs_sbi_nf_service_t *ogs_sbi_nf_service_build_default(
ogs_sbi_nf_instance_t *nf_instance, const char *name)
{
ogs_sbi_server_t *server = NULL;
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_uuid_t uuid;
char id[OGS_UUID_FORMATTED_LENGTH + 1];
char *hostname = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
ogs_assert(nf_instance);
ogs_assert(name);
ogs_uuid_get(&uuid);
ogs_uuid_format(id, &uuid);
server = ogs_sbi_server_first();
ogs_assert(server);
scheme = server->scheme;
ogs_assert(scheme);
nf_service = ogs_sbi_nf_service_add(nf_instance, id, name, scheme);
ogs_assert(nf_service);
hostname = NULL;
for (server = ogs_sbi_server_first();
server; server = ogs_sbi_server_next(server)) {
ogs_sockaddr_t *advertise = NULL;
advertise = server->advertise;
if (!advertise)
advertise = server->node.addr;
ogs_assert(advertise);
/* First FQDN is selected */
if (!hostname) {
hostname = ogs_gethostname(advertise);
if (hostname)
continue;
}
if (nf_service->num_of_addr < OGS_SBI_MAX_NUM_OF_IP_ADDRESS) {
bool is_port = true;
int port = 0;
ogs_sockaddr_t *addr = NULL;
ogs_assert(OGS_OK == ogs_copyaddrinfo(&addr, advertise));
ogs_assert(addr);
port = OGS_PORT(addr);
if (nf_service->scheme == OpenAPI_uri_scheme_https) {
if (port == OGS_SBI_HTTPS_PORT) is_port = false;
} else if (nf_service->scheme == OpenAPI_uri_scheme_http) {
if (port == OGS_SBI_HTTP_PORT) is_port = false;
}
nf_service->addr[nf_service->num_of_addr].is_port = is_port;
nf_service->addr[nf_service->num_of_addr].port = port;
if (addr->ogs_sa_family == AF_INET) {
nf_service->addr[nf_service->num_of_addr].ipv4 = addr;
} else if (addr->ogs_sa_family == AF_INET6) {
nf_service->addr[nf_service->num_of_addr].ipv6 = addr;
} else
ogs_assert_if_reached();
nf_service->num_of_addr++;
}
}
if (hostname) {
nf_service->fqdn = ogs_strdup(hostname);
ogs_assert(nf_service->fqdn);
}
ogs_info("NF Service [%s]", nf_service->name);
return nf_service;
}
static ogs_sbi_client_t *nf_instance_find_client(
ogs_sbi_nf_instance_t *nf_instance)
{
ogs_sbi_client_t *client = NULL;
ogs_sockaddr_t *addr = NULL, *addr6 = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
ogs_sbi_nf_info_t *nf_info = NULL;
uint16_t port = 0;
scheme = ogs_sbi_self()->tls.client.scheme;
ogs_assert(scheme);
switch (nf_instance->nf_type) {
case OpenAPI_nf_type_SEPP:
nf_info = ogs_sbi_nf_info_find(
&nf_instance->nf_info_list, nf_instance->nf_type);
if (nf_info) {
if (scheme == OpenAPI_uri_scheme_https)
port = nf_info->sepp.https.port;
else if (scheme == OpenAPI_uri_scheme_http)
port = nf_info->sepp.http.port;
else
ogs_error("Unknown scheme [%d]", scheme);
}
break;
case OpenAPI_nf_type_SCP:
nf_info = ogs_sbi_nf_info_find(
&nf_instance->nf_info_list, nf_instance->nf_type);
if (nf_info) {
if (scheme == OpenAPI_uri_scheme_https)
port = nf_info->scp.https.port;
else if (scheme == OpenAPI_uri_scheme_http)
port = nf_info->scp.http.port;
else
ogs_error("Unknown scheme [%d]", scheme);
}
break;
default:
break;
}
/* At this point, CLIENT selection method is very simple. */
if (nf_instance->num_of_ipv4) addr = nf_instance->ipv4[0];
if (nf_instance->num_of_ipv6) addr6 = nf_instance->ipv6[0];
if (port) {
if (addr)
addr->ogs_sin_port = htobe16(port);
if (addr6)
addr6->ogs_sin_port = htobe16(port);
}
if (nf_instance->fqdn || addr || addr6) {
client = ogs_sbi_client_find(
scheme, nf_instance->fqdn, port, addr, addr6);
if (!client) {
ogs_debug("%s: ogs_sbi_client_add()", OGS_FUNC);
client = ogs_sbi_client_add(
scheme, nf_instance->fqdn, port, addr, addr6);
if (!client) {
ogs_error("%s: ogs_sbi_client_add() failed", OGS_FUNC);
return NULL;
}
}
}
return client;
}
static void nf_service_associate_client(ogs_sbi_nf_service_t *nf_service)
{
ogs_sbi_client_t *client = NULL;
ogs_sockaddr_t *addr = NULL, *addr6 = NULL;
ogs_assert(nf_service->scheme);
/* At this point, CLIENT selection method is very simple. */
if (nf_service->num_of_addr) {
addr = nf_service->addr[0].ipv4;
addr6 = nf_service->addr[0].ipv6;
}
if (nf_service->fqdn || addr || addr6) {
client = ogs_sbi_client_find(
nf_service->scheme, nf_service->fqdn, 0, addr, addr6);
if (!client) {
ogs_debug("%s: ogs_sbi_client_add()", OGS_FUNC);
client = ogs_sbi_client_add(
nf_service->scheme, nf_service->fqdn, 0, addr, addr6);
if (!client) {
ogs_error("%s: ogs_sbi_client_add() failed", OGS_FUNC);
return;
}
}
}
ogs_debug("[%s] NFService associated [%s]",
nf_service->name, nf_service->id);
if (client)
OGS_SBI_SETUP_CLIENT(nf_service, client);
}
static void nf_service_associate_client_all(ogs_sbi_nf_instance_t *nf_instance)
{
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_assert(nf_instance);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service)
nf_service_associate_client(nf_service);
}
bool ogs_sbi_discovery_option_is_matched(
ogs_sbi_nf_instance_t *nf_instance,
OpenAPI_nf_type_e requester_nf_type,
ogs_sbi_discovery_option_t *discovery_option)
{
ogs_sbi_nf_info_t *nf_info = NULL;
ogs_assert(nf_instance);
ogs_assert(requester_nf_type);
ogs_assert(discovery_option);
if (discovery_option->target_nf_instance_id &&
nf_instance->id && strcmp(nf_instance->id,
discovery_option->target_nf_instance_id) != 0) {
return false;
}
if (discovery_option->num_of_service_names) {
if (ogs_sbi_discovery_option_service_names_is_matched(
nf_instance, requester_nf_type, discovery_option) == false)
return false;
}
if (discovery_option->num_of_target_plmn_list) {
if (ogs_sbi_discovery_option_target_plmn_list_is_matched(
nf_instance, discovery_option) == false)
return false;
}
ogs_list_for_each(&nf_instance->nf_info_list, nf_info) {
if (nf_instance->nf_type != nf_info->nf_type) {
ogs_error("Invalid NF-Type [%d:%d]",
nf_instance->nf_type, nf_info->nf_type);
return false;
}
switch (nf_info->nf_type) {
case OpenAPI_nf_type_AMF:
if (requester_nf_type == OpenAPI_nf_type_AMF &&
discovery_option->target_guami &&
ogs_sbi_check_amf_info_guami(&nf_info->amf,
discovery_option->target_guami) == false)
return false;
break;
case OpenAPI_nf_type_SMF:
if (discovery_option->num_of_snssais && discovery_option->dnn &&
ogs_sbi_check_smf_info_slice(&nf_info->smf,
&discovery_option->snssais[0],
discovery_option->dnn) == false)
return false;
if (discovery_option->tai_presence &&
ogs_sbi_check_smf_info_tai(&nf_info->smf,
&discovery_option->tai) == false)
return false;
break;
default:
break;
}
}
return true;
}
bool ogs_sbi_discovery_option_service_names_is_matched(
ogs_sbi_nf_instance_t *nf_instance,
OpenAPI_nf_type_e requester_nf_type,
ogs_sbi_discovery_option_t *discovery_option)
{
ogs_sbi_nf_service_t *nf_service = NULL;
int i;
ogs_assert(nf_instance);
ogs_assert(requester_nf_type);
ogs_assert(discovery_option);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
for (i = 0; i < discovery_option->num_of_service_names; i++) {
if (nf_service->name &&
discovery_option->service_names[i] &&
strcmp(nf_service->name,
discovery_option->service_names[i]) == 0) {
if (ogs_sbi_nf_service_is_allowed_nf_type(
nf_service, requester_nf_type) == true) {
return true;
}
}
}
}
return false;
}
bool ogs_sbi_discovery_param_serving_plmn_list_is_matched(
ogs_sbi_nf_instance_t *nf_instance)
{
int i, j;
ogs_assert(nf_instance);
/*
* The PLMN-ID is optional and may not be set.
*
* Does not compare if serving PLMN-ID is not set or NF-Instance is not set.
*/
if (ogs_local_conf()->num_of_serving_plmn_id == 0 ||
nf_instance->num_of_plmn_id == 0)
return true;
for (i = 0; i < nf_instance->num_of_plmn_id; i++) {
for (j = 0; j < ogs_local_conf()->num_of_serving_plmn_id; j++) {
if (memcmp(&nf_instance->plmn_id[i],
&ogs_local_conf()->serving_plmn_id[j],
OGS_PLMN_ID_LEN) == 0) {
return true;
}
}
}
return false;
}
bool ogs_sbi_discovery_option_requester_plmn_list_is_matched(
ogs_sbi_nf_instance_t *nf_instance,
ogs_sbi_discovery_option_t *discovery_option)
{
int i, j;
ogs_assert(nf_instance);
ogs_assert(discovery_option);
for (i = 0; i < nf_instance->num_of_plmn_id; i++) {
for (j = 0; j < discovery_option->num_of_requester_plmn_list; j++) {
if (memcmp(&nf_instance->plmn_id[i],
&discovery_option->requester_plmn_list[j],
OGS_PLMN_ID_LEN) == 0) {
return true;
}
}
}
return false;
}
bool ogs_sbi_discovery_option_target_plmn_list_is_matched(
ogs_sbi_nf_instance_t *nf_instance,
ogs_sbi_discovery_option_t *discovery_option)
{
int i, j;
ogs_assert(nf_instance);
ogs_assert(discovery_option);
for (i = 0; i < nf_instance->num_of_plmn_id; i++) {
for (j = 0; j < discovery_option->num_of_target_plmn_list; j++) {
if (memcmp(&nf_instance->plmn_id[i],
&discovery_option->target_plmn_list[j],
OGS_PLMN_ID_LEN) == 0) {
return true;
}
}
}
return false;
}
bool ogs_sbi_discovery_param_is_matched(
ogs_sbi_nf_instance_t *nf_instance,
OpenAPI_nf_type_e target_nf_type,
OpenAPI_nf_type_e requester_nf_type,
ogs_sbi_discovery_option_t *discovery_option)
{
ogs_assert(nf_instance);
ogs_assert(target_nf_type);
ogs_assert(requester_nf_type);
if (NF_INSTANCE_EXCLUDED_FROM_DISCOVERY(nf_instance))
return false;
if (!OGS_FSM_CHECK(&nf_instance->sm, ogs_sbi_nf_state_registered))
return false;
if (nf_instance->nf_type != target_nf_type)
return false;
/*
* For the same PLMN, The target-plmn-list may not be included
* in discovery request.
*
* If the Serving PLMN needs to be discovered, but the target-plmn-list
* is not included, the NF of the Home PLMN can be discovered.
*
* To avoid this situation, if the target-plmn-list is not included
* and the serving PLMN is known, it is compared first.
*
* Refer to the following standard for this issue.
*
* TS29.510
* 6.2 Nnrf_NFDiscovery Service API
* 6.2.3 Resources
* Table 6.2.3.2.3.1-1: URI query parameters supported
* by the GET method on this resource
*
* NAME: target-plmn-list
* Data type: array(PlmnId)
* P: C
* Cardinality: 1..N
*
* This IE shall be included when NF services in a different PLMN,
* or NF services of specific PLMN ID(s) in a same PLMN
* comprising multiple PLMN IDs, need to be discovered.
* When included, this IE shall contain the PLMN ID of the target NF.
* If more than one PLMN ID is included, NFs from any PLMN ID present
* in the list matches the query parameter. This IE shall also
* be included in SNPN scenarios, when the entity owning
* the subscription, the Credentials Holder
* (see clause 5.30.2.9 in 3GPP TS 23.501 [2]) is a PLMN.
*
* For inter-PLMN service discovery, at most 1 PLMN ID shall
* be included in the list; it shall be included
* in the service discovery from the NF in the source PLMN sent
* to the NRF in the same PLMN, while it may be absent
* in the service discovery request sent from the source NRF
* to the target NRF. In such case, if the NRF receives more than
* 1 PLMN ID, it shall only consider the first element of the array,
* and ignore the rest.
*/
if (!discovery_option || !discovery_option->num_of_target_plmn_list) {
if (ogs_sbi_discovery_param_serving_plmn_list_is_matched(
nf_instance) == false)
return false;
}
if (discovery_option) {
if (ogs_sbi_discovery_option_is_matched(
nf_instance, requester_nf_type, discovery_option) == false)
return false;
}
return true;
}
void ogs_sbi_client_associate(ogs_sbi_nf_instance_t *nf_instance)
{
ogs_sbi_client_t *client = NULL;
ogs_assert(nf_instance);
client = nf_instance_find_client(nf_instance);
ogs_assert(client);
ogs_debug("[%s] NFInstance associated [%s:%d]",
nf_instance->nf_type ?
OpenAPI_nf_type_ToString(nf_instance->nf_type) : "NULL",
nf_instance->id, nf_instance->reference_count);
OGS_SBI_SETUP_CLIENT(nf_instance, client);
nf_service_associate_client_all(nf_instance);
}
int ogs_sbi_default_client_port(OpenAPI_uri_scheme_e scheme)
{
if (scheme == OpenAPI_uri_scheme_NULL)
scheme = ogs_sbi_self()->tls.client.scheme;
return scheme == OpenAPI_uri_scheme_https ?
OGS_SBI_HTTPS_PORT : OGS_SBI_HTTP_PORT;
}
ogs_sbi_client_t *ogs_sbi_client_find_by_service_name(
ogs_sbi_nf_instance_t *nf_instance, char *name, char *version)
{
ogs_sbi_nf_service_t *nf_service = NULL;
int i;
ogs_assert(nf_instance);
ogs_assert(name);
ogs_assert(version);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
ogs_assert(nf_service->name);
if (strcmp(nf_service->name, name) == 0) {
for (i = 0; i < nf_service->num_of_version; i++) {
if (strcmp(nf_service->version[i].in_uri, version) == 0) {
return nf_service->client;
}
}
}
}
return nf_instance->client;
}
ogs_sbi_client_t *ogs_sbi_client_find_by_service_type(
ogs_sbi_nf_instance_t *nf_instance,
ogs_sbi_service_type_e service_type)
{
ogs_sbi_nf_service_t *nf_service = NULL;
ogs_assert(nf_instance);
ogs_assert(service_type);
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
ogs_assert(nf_service->name);
if (ogs_sbi_service_type_from_name(nf_service->name) == service_type)
return nf_service->client;
}
return nf_instance->client;
}
void ogs_sbi_object_free(ogs_sbi_object_t *sbi_object)
{
int i;
ogs_assert(sbi_object);
if (ogs_list_count(&sbi_object->xact_list))
ogs_error("SBI running [%d]", ogs_list_count(&sbi_object->xact_list));
for (i = 0; i < OGS_SBI_MAX_NUM_OF_SERVICE_TYPE; i++) {
ogs_sbi_nf_instance_t *nf_instance =
sbi_object->service_type_array[i].nf_instance;
if (nf_instance)
ogs_sbi_nf_instance_remove(nf_instance);
}
for (i = 0; i < OGS_SBI_MAX_NUM_OF_NF_TYPE; i++) {
ogs_sbi_nf_instance_t *nf_instance =
sbi_object->nf_type_array[i].nf_instance;
if (nf_instance)
ogs_sbi_nf_instance_remove(nf_instance);
}
}
ogs_sbi_xact_t *ogs_sbi_xact_add(
ogs_sbi_object_t *sbi_object,
ogs_sbi_service_type_e service_type,
ogs_sbi_discovery_option_t *discovery_option,
ogs_sbi_build_f build, void *context, void *data)
{
ogs_sbi_xact_t *xact = NULL;
ogs_assert(sbi_object);
ogs_pool_alloc(&xact_pool, &xact);
if (!xact) {
ogs_error("ogs_pool_alloc() failed");
return NULL;
}
memset(xact, 0, sizeof(ogs_sbi_xact_t));
xact->sbi_object = sbi_object;
xact->service_type = service_type;
xact->requester_nf_type = NF_INSTANCE_TYPE(ogs_sbi_self()->nf_instance);
ogs_assert(xact->requester_nf_type);
/*
* Insert one service-name in the discovery option in the function below.
*
* - ogs_sbi_xact_add()
* - ogs_sbi_send_notification_request()
*/
if (!discovery_option) {
discovery_option = ogs_sbi_discovery_option_new();
ogs_assert(discovery_option);
/* ALWAYS add Service-MAP to requester-features in Discovery Option */
OGS_SBI_FEATURES_SET(discovery_option->requester_features,
OGS_SBI_NNRF_DISC_SERVICE_MAP);
}
if (!discovery_option->num_of_service_names) {
ogs_sbi_discovery_option_add_service_names(
discovery_option,
(char *)ogs_sbi_service_type_to_name(service_type));
}
xact->discovery_option = discovery_option;
xact->t_response = ogs_timer_add(
ogs_app()->timer_mgr, ogs_timer_sbi_client_wait_expire, xact);
if (!xact->t_response) {
ogs_error("ogs_timer_add() failed");
if (xact->discovery_option)
ogs_sbi_discovery_option_free(xact->discovery_option);
ogs_pool_free(&xact_pool, xact);
return NULL;
}
ogs_timer_start(xact->t_response,
ogs_local_conf()->time.message.sbi.client_wait_duration);
if (build) {
xact->request = (*build)(context, data);
if (!xact->request) {
ogs_error("SBI build failed");
if (xact->discovery_option)
ogs_sbi_discovery_option_free(xact->discovery_option);
ogs_timer_delete(xact->t_response);
ogs_pool_free(&xact_pool, xact);
return NULL;
}
if (!xact->request->h.uri) {
const char *service_name = NULL;
ogs_assert(xact->service_type);
service_name = ogs_sbi_service_type_to_name(xact->service_type);
ogs_assert(service_name);
ogs_assert(xact->request->h.service.name);
/*
* Make sure the service matches
* between discover and build functions:
*
* DISCOVER : amf_ue_sbi_discover_and_send(
* OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL,
* BUILD : amf_npcf_am_policy_control_build_create()
* message.h.service.name =
* (char *)OGS_SBI_SERVICE_NAME_NPCF_AM_POLICY_CONTROL;
*/
if (strcmp(service_name, xact->request->h.service.name) != 0) {
ogs_fatal("[%s:%d] is not the same with [%s]",
service_name, xact->service_type,
xact->request->h.service.name);
ogs_assert_if_reached();
}
}
}
ogs_list_add(&sbi_object->xact_list, xact);
return xact;
}
void ogs_sbi_xact_remove(ogs_sbi_xact_t *xact)
{
ogs_sbi_object_t *sbi_object = NULL;
ogs_assert(xact);
sbi_object = xact->sbi_object;
ogs_assert(sbi_object);
if (xact->discovery_option)
ogs_sbi_discovery_option_free(xact->discovery_option);
ogs_assert(xact->t_response);
ogs_timer_delete(xact->t_response);
if (xact->request)
ogs_sbi_request_free(xact->request);
if (xact->target_apiroot)
ogs_free(xact->target_apiroot);
ogs_list_remove(&sbi_object->xact_list, xact);
ogs_pool_free(&xact_pool, xact);
}
void ogs_sbi_xact_remove_all(ogs_sbi_object_t *sbi_object)
{
ogs_sbi_xact_t *xact = NULL, *next_xact = NULL;
ogs_assert(sbi_object);
ogs_list_for_each_safe(&sbi_object->xact_list, next_xact, xact)
ogs_sbi_xact_remove(xact);
}
ogs_sbi_xact_t *ogs_sbi_xact_cycle(ogs_sbi_xact_t *xact)
{
return ogs_pool_cycle(&xact_pool, xact);
}
ogs_sbi_subscription_spec_t *ogs_sbi_subscription_spec_add(
OpenAPI_nf_type_e nf_type, const char *service_name)
{
ogs_sbi_subscription_spec_t *subscription_spec = NULL;
/* Issue #2630 : The format of subscrCond is invalid. Must be 'oneOf'. */
ogs_assert(!nf_type || !service_name);
ogs_pool_alloc(&subscription_spec_pool, &subscription_spec);
ogs_assert(subscription_spec);
memset(subscription_spec, 0, sizeof(ogs_sbi_subscription_spec_t));
if (nf_type)
subscription_spec->subscr_cond.nf_type = nf_type;
else if (service_name)
subscription_spec->subscr_cond.service_name = ogs_strdup(service_name);
else {
ogs_fatal("SubscrCond must be 'oneOf'.");
ogs_assert_if_reached();
}
ogs_list_add(&ogs_sbi_self()->subscription_spec_list, subscription_spec);
return subscription_spec;
}
void ogs_sbi_subscription_spec_remove(
ogs_sbi_subscription_spec_t *subscription_spec)
{
ogs_assert(subscription_spec);
ogs_list_remove(&ogs_sbi_self()->subscription_spec_list, subscription_spec);
if (subscription_spec->subscr_cond.service_name)
ogs_free(subscription_spec->subscr_cond.service_name);
ogs_pool_free(&subscription_spec_pool, subscription_spec);
}
void ogs_sbi_subscription_spec_remove_all(void)
{
ogs_sbi_subscription_spec_t *subscription_spec = NULL;
ogs_sbi_subscription_spec_t *next_subscription_spec = NULL;
ogs_list_for_each_safe(&ogs_sbi_self()->subscription_spec_list,
next_subscription_spec, subscription_spec)
ogs_sbi_subscription_spec_remove(subscription_spec);
}
ogs_sbi_subscription_data_t *ogs_sbi_subscription_data_add(void)
{
ogs_sbi_subscription_data_t *subscription_data = NULL;
ogs_pool_alloc(&subscription_data_pool, &subscription_data);
ogs_assert(subscription_data);
memset(subscription_data, 0, sizeof(ogs_sbi_subscription_data_t));
ogs_list_add(&ogs_sbi_self()->subscription_data_list, subscription_data);
return subscription_data;
}
void ogs_sbi_subscription_data_set_id(
ogs_sbi_subscription_data_t *subscription_data, char *id)
{
ogs_assert(subscription_data);
ogs_assert(id);
subscription_data->id = ogs_strdup(id);
ogs_assert(subscription_data->id);
}
void ogs_sbi_subscription_data_remove(
ogs_sbi_subscription_data_t *subscription_data)
{
ogs_assert(subscription_data);
ogs_list_remove(&ogs_sbi_self()->subscription_data_list, subscription_data);
if (subscription_data->id)
ogs_free(subscription_data->id);
if (subscription_data->notification_uri)
ogs_free(subscription_data->notification_uri);
if (subscription_data->req_nf_instance_id)
ogs_free(subscription_data->req_nf_instance_id);
if (subscription_data->subscr_cond.service_name)
ogs_free(subscription_data->subscr_cond.service_name);
if (subscription_data->t_validity)
ogs_timer_delete(subscription_data->t_validity);
if (subscription_data->t_patch)
ogs_timer_delete(subscription_data->t_patch);
if (subscription_data->client)
ogs_sbi_client_remove(subscription_data->client);
ogs_pool_free(&subscription_data_pool, subscription_data);
}
void ogs_sbi_subscription_data_remove_all_by_nf_instance_id(
char *nf_instance_id)
{
ogs_sbi_subscription_data_t *subscription_data = NULL;
ogs_sbi_subscription_data_t *next_subscription_data = NULL;
ogs_assert(nf_instance_id);
ogs_list_for_each_safe(&ogs_sbi_self()->subscription_data_list,
next_subscription_data, subscription_data) {
if (subscription_data->req_nf_instance_id &&
strcmp(subscription_data->req_nf_instance_id,
nf_instance_id) == 0) {
ogs_sbi_subscription_data_remove(subscription_data);
}
}
}
void ogs_sbi_subscription_data_remove_all(void)
{
ogs_sbi_subscription_data_t *subscription_data = NULL;
ogs_sbi_subscription_data_t *next_subscription_data = NULL;
ogs_list_for_each_safe(&ogs_sbi_self()->subscription_data_list,
next_subscription_data, subscription_data)
ogs_sbi_subscription_data_remove(subscription_data);
}
ogs_sbi_subscription_data_t *ogs_sbi_subscription_data_find(char *id)
{
ogs_sbi_subscription_data_t *subscription_data = NULL;
ogs_assert(id);
ogs_list_for_each(&ogs_sbi_self()->subscription_data_list,
subscription_data) {
ogs_assert(subscription_data->id);
if (strcmp(subscription_data->id, id) == 0)
break;
}
return subscription_data;
}
bool ogs_sbi_supi_in_vplmn(char *supi)
{
char imsi_bcd[OGS_MAX_IMSI_BCD_LEN+1];
bool home_network = false;
int i;
ogs_assert(supi);
if (ogs_local_conf()->num_of_serving_plmn_id == 0) {
return false;
}
ogs_extract_digit_from_string(imsi_bcd, supi);
for (i = 0; i < ogs_local_conf()->num_of_serving_plmn_id; i++) {
char buf[OGS_PLMNIDSTRLEN];
ogs_plmn_id_to_string(&ogs_local_conf()->serving_plmn_id[i], buf);
if (strncmp(imsi_bcd, buf, strlen(buf)) == 0) {
home_network = true;
break;
}
}
if (home_network == false)
return true;
return false;
}
bool ogs_sbi_plmn_id_in_vplmn(ogs_plmn_id_t *plmn_id)
{
bool home_network = false;
int i;
ogs_assert(plmn_id);
if (ogs_local_conf()->num_of_serving_plmn_id == 0) {
return false;
}
if (ogs_plmn_id_mcc(plmn_id) == 0) {
ogs_error("No MCC");
return false;
}
if (ogs_plmn_id_mnc(plmn_id) == 0) {
ogs_error("No MNC");
return false;
}
for (i = 0; i < ogs_local_conf()->num_of_serving_plmn_id; i++) {
if (memcmp(&ogs_local_conf()->serving_plmn_id[i],
plmn_id, OGS_PLMN_ID_LEN) == 0) {
home_network = true;
break;
}
}
if (home_network == false)
return true;
return false;
}
bool ogs_sbi_fqdn_in_vplmn(char *fqdn)
{
bool home_network = false;
int i;
ogs_assert(fqdn);
if (ogs_local_conf()->num_of_serving_plmn_id == 0) {
return false;
}
if (ogs_home_network_domain_from_fqdn(fqdn) == NULL) {
return false;
}
for (i = 0; i < ogs_local_conf()->num_of_serving_plmn_id; i++) {
if (ogs_plmn_id_mcc_from_fqdn(fqdn) ==
ogs_plmn_id_mcc(&ogs_local_conf()->serving_plmn_id[i]) &&
ogs_plmn_id_mnc_from_fqdn(fqdn) ==
ogs_plmn_id_mnc(&ogs_local_conf()->serving_plmn_id[i])) {
home_network = true;
break;
}
}
if (home_network == false)
return true;
return false;
}
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