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open5gs/src/pcf/npcf-handler.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 "sbi-path.h"
#include "npcf-handler.h"
bool pcf_npcf_am_policy_control_handle_create(pcf_ue_t *pcf_ue,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
bool rc;
int r;
OpenAPI_policy_association_request_t *PolicyAssociationRequest = NULL;
OpenAPI_guami_t *Guami = NULL;
OpenAPI_lnode_t *node = NULL;
uint64_t supported_features = 0;
ogs_sbi_server_t *server = NULL;
ogs_sbi_client_t *client = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
char *fqdn = NULL;
uint16_t fqdn_port = 0;
ogs_sockaddr_t *addr = NULL, *addr6 = NULL;
ogs_assert(pcf_ue);
ogs_assert(stream);
server = ogs_sbi_server_from_stream(stream);
ogs_assert(server);
ogs_assert(message);
PolicyAssociationRequest = message->PolicyAssociationRequest;
if (!PolicyAssociationRequest) {
ogs_error("[%s] No PolicyAssociationRequest", pcf_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "[%s] No PolicyAssociationRequest", pcf_ue->supi,
NULL));
return false;
}
if (!PolicyAssociationRequest->notification_uri) {
ogs_error("[%s] No notificationUri", pcf_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No notificationUri", pcf_ue->supi, NULL));
return false;
}
if (!PolicyAssociationRequest->supi) {
ogs_error("[%s] No supi", pcf_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No supi", pcf_ue->supi, NULL));
return false;
}
if (!PolicyAssociationRequest->supp_feat) {
ogs_error("[%s] No suppFeat", pcf_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No suppFeat", pcf_ue->supi, NULL));
return false;
}
rc = ogs_sbi_getaddr_from_uri(&scheme, &fqdn, &fqdn_port, &addr, &addr6,
PolicyAssociationRequest->notification_uri);
if (rc == false || scheme == OpenAPI_uri_scheme_NULL) {
ogs_error("[%s] Invalid URI [%s]",
pcf_ue->supi, PolicyAssociationRequest->notification_uri);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "[%s] Invalid URI", pcf_ue->supi, NULL));
return false;
}
if (pcf_ue->notification_uri)
ogs_free(pcf_ue->notification_uri);
pcf_ue->notification_uri = ogs_strdup(
PolicyAssociationRequest->notification_uri);
ogs_assert(pcf_ue->notification_uri);
client = ogs_sbi_client_find(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
ogs_debug("%s: ogs_sbi_client_add()", OGS_FUNC);
client = ogs_sbi_client_add(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
ogs_error("%s: ogs_sbi_client_add() failed", OGS_FUNC);
ogs_free(fqdn);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
return false;
}
}
OGS_SBI_SETUP_CLIENT(&pcf_ue->namf, client);
ogs_free(fqdn);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
supported_features =
ogs_uint64_from_string(PolicyAssociationRequest->supp_feat);
pcf_ue->am_policy_control_features &= supported_features;
if (PolicyAssociationRequest->gpsi) {
if (pcf_ue->gpsi)
ogs_free(pcf_ue->gpsi);
pcf_ue->gpsi = ogs_strdup(PolicyAssociationRequest->gpsi);
}
pcf_ue->access_type = PolicyAssociationRequest->access_type;
if (PolicyAssociationRequest->pei) {
if (pcf_ue->pei)
ogs_free(pcf_ue->pei);
pcf_ue->pei = ogs_strdup(PolicyAssociationRequest->pei);
}
Guami = PolicyAssociationRequest->guami;
if (Guami && Guami->amf_id &&
Guami->plmn_id && Guami->plmn_id->mnc && Guami->plmn_id->mcc) {
ogs_sbi_parse_guami(&pcf_ue->guami, PolicyAssociationRequest->guami);
}
OpenAPI_list_for_each(PolicyAssociationRequest->allowed_snssais, node) {
struct OpenAPI_snssai_s *Snssai = node->data;
if (Snssai) {
ogs_s_nssai_t s_nssai;
s_nssai.sst = Snssai->sst;
s_nssai.sd = ogs_s_nssai_sd_from_string(Snssai->sd);
pcf_metrics_inst_by_slice_add(&pcf_ue->guami.plmn_id,
&s_nssai, PCF_METR_CTR_PA_POLICYAMASSOREQ, 1);
} else {
ogs_error("[%s] No Snssai", pcf_ue->supi);
}
}
if (PolicyAssociationRequest->rat_type)
pcf_ue->rat_type = PolicyAssociationRequest->rat_type;
pcf_ue->policy_association_request =
OpenAPI_policy_association_request_copy(
pcf_ue->policy_association_request,
message->PolicyAssociationRequest);
if (PolicyAssociationRequest->ue_ambr)
pcf_ue->subscribed_ue_ambr = OpenAPI_ambr_copy(
pcf_ue->subscribed_ue_ambr, PolicyAssociationRequest->ue_ambr);
if (ogs_sbi_supi_in_vplmn(pcf_ue->supi) == true) {
/* Visited PLMN */
OpenAPI_policy_association_t PolicyAssociation;
ogs_sbi_message_t sendmsg;
ogs_sbi_header_t header;
ogs_sbi_response_t *response = NULL;
memset(&PolicyAssociation, 0, sizeof(PolicyAssociation));
PolicyAssociation.request = pcf_ue->policy_association_request;
PolicyAssociation.supp_feat =
ogs_uint64_to_string(pcf_ue->am_policy_control_features);
ogs_assert(PolicyAssociation.supp_feat);
memset(&header, 0, sizeof(header));
header.service.name =
(char *)OGS_SBI_SERVICE_NAME_NPCF_AM_POLICY_CONTROL;
header.api.version = (char *)OGS_SBI_API_V1;
header.resource.component[0] = (char *)OGS_SBI_RESOURCE_NAME_POLICIES;
header.resource.component[1] = pcf_ue->association_id;
memset(&sendmsg, 0, sizeof(sendmsg));
sendmsg.PolicyAssociation = &PolicyAssociation;
sendmsg.http.location = ogs_sbi_server_uri(server, &header);
response = ogs_sbi_build_response(
&sendmsg, OGS_SBI_HTTP_STATUS_CREATED);
ogs_assert(response);
ogs_assert(true == ogs_sbi_server_send_response(stream, response));
ogs_free(sendmsg.http.location);
ogs_free(PolicyAssociation.supp_feat);
return true;
} else {
/* Home PLMN */
r = pcf_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
pcf_nudr_dr_build_query_am_data, pcf_ue, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return (r == OGS_OK);
}
}
bool pcf_npcf_smpolicycontrol_handle_create(pcf_sess_t *sess,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
bool rc;
int status = 0;
int r;
char *strerror = NULL;
pcf_ue_t *pcf_ue = NULL;
OpenAPI_sm_policy_context_data_t *SmPolicyContextData = NULL;
OpenAPI_plmn_id_nid_t *servingNetwork = NULL;
OpenAPI_snssai_t *sliceInfo = NULL;
ogs_sbi_client_t *client = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
char *fqdn = NULL;
uint16_t fqdn_port = 0;
ogs_sockaddr_t *addr = NULL, *addr6 = NULL;
char *home_network_domain = NULL;
ogs_assert(sess);
pcf_ue = sess->pcf_ue;
ogs_assert(stream);
ogs_assert(message);
SmPolicyContextData = message->SmPolicyContextData;
if (!SmPolicyContextData) {
strerror = ogs_msprintf("[%s:%d] No SmPolicyContextData",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->supi) {
strerror = ogs_msprintf("[%s:%d] No supi", pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->pdu_session_id) {
strerror = ogs_msprintf("[%s:%d] No pduSessionId",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->pdu_session_type) {
strerror = ogs_msprintf("[%s:%d] No pduSessionType",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->dnn) {
strerror = ogs_msprintf("[%s:%d] No dnn", pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->notification_uri) {
strerror = ogs_msprintf("[%s:%d] No notificationUri",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!SmPolicyContextData->ipv4_address &&
!SmPolicyContextData->ipv6_address_prefix) {
strerror = ogs_msprintf(
"[%s:%d] No IPv4 address[%p] or IPv6 prefix[%p]",
pcf_ue->supi, sess->psi,
SmPolicyContextData->ipv4_address,
SmPolicyContextData->ipv6_address_prefix);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
sliceInfo = SmPolicyContextData->slice_info;
if (!sliceInfo) {
strerror = ogs_msprintf("[%s:%d] No sliceInfo",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!sliceInfo->sst) {
strerror = ogs_msprintf("[%s:%d] No sliceInfo->sst",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
servingNetwork = SmPolicyContextData->serving_network;
if (servingNetwork) {
if (!servingNetwork->mcc) {
strerror = ogs_msprintf("[%s:%d] No servingNetwork->mcc",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!servingNetwork->mnc) {
strerror = ogs_msprintf("[%s:%d] No servingNetwork->mnc",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
} else {
ogs_warn("No servingNetwork");
}
rc = ogs_sbi_getaddr_from_uri(&scheme, &fqdn, &fqdn_port, &addr, &addr6,
SmPolicyContextData->notification_uri);
if (rc == false || scheme == OpenAPI_uri_scheme_NULL) {
strerror = ogs_msprintf("[%s:%d] Invalid URI [%s]",
pcf_ue->supi, sess->psi, SmPolicyContextData->notification_uri);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (SmPolicyContextData->supp_feat) {
uint64_t supported_features =
ogs_uint64_from_string(SmPolicyContextData->supp_feat);
sess->smpolicycontrol_features &= supported_features;
} else {
sess->smpolicycontrol_features = 0;
}
sess->pdu_session_type = SmPolicyContextData->pdu_session_type;
/* Serving PLMN & Home PLMN */
if (servingNetwork) {
sess->serving.presence = true;
ogs_sbi_parse_plmn_id_nid(&sess->serving.plmn_id, servingNetwork);
sess->home.presence = true;
memcpy(&sess->home.plmn_id, &sess->serving.plmn_id, OGS_PLMN_ID_LEN);
}
/*
* TS29.512
* 5 Npcf_SMPolicyControl Service API
* 5.6 Data Model
* 5.6.2 Structured data types
* Table 5.6.2.3-1: Definition of type SmPolicyContextData
*
* NAME: dnn
* Data type: Dnn
* P: M
* Cardinality: 1
* The DNN of the PDU session, a full DNN with both the Network Identifier
* and Operator Identifier, or a DNN with the Network Identifier only
*/
home_network_domain = ogs_home_network_domain_from_fqdn(
SmPolicyContextData->dnn);
if (home_network_domain) {
char dnn_network_identifer[OGS_MAX_DNN_LEN+1];
uint16_t mcc = 0, mnc = 0;
ogs_assert(home_network_domain > SmPolicyContextData->dnn);
ogs_cpystrn(dnn_network_identifer, SmPolicyContextData->dnn,
ogs_min(OGS_MAX_DNN_LEN,
home_network_domain - SmPolicyContextData->dnn));
if (sess->dnn)
ogs_free(sess->dnn);
sess->dnn = ogs_strdup(dnn_network_identifer);
ogs_assert(sess->dnn);
if (sess->full_dnn)
ogs_free(sess->full_dnn);
sess->full_dnn = ogs_strdup(SmPolicyContextData->dnn);
ogs_assert(sess->full_dnn);
mcc = ogs_plmn_id_mcc_from_fqdn(sess->full_dnn);
mnc = ogs_plmn_id_mnc_from_fqdn(sess->full_dnn);
/*
* To generate the Home PLMN ID of the SMF-UE,
* the length of the MNC is obtained
* by comparing the MNC part of the SUPI and full-DNN.
*/
if (mcc && mnc &&
strncmp(pcf_ue->supi, "imsi-", strlen("imsi-")) == 0) {
int mnc_len = 0;
char buf[OGS_PLMNIDSTRLEN];
ogs_snprintf(buf, OGS_PLMNIDSTRLEN, "%03d%02d", mcc, mnc);
if (strncmp(pcf_ue->supi + 5, buf, strlen(buf)) == 0)
mnc_len = 2;
ogs_snprintf(buf, OGS_PLMNIDSTRLEN, "%03d%03d", mcc, mnc);
if (strncmp(pcf_ue->supi + 5, buf, strlen(buf)) == 0)
mnc_len = 3;
/* Change Home PLMN for VPLMN */
if (mnc_len == 2 || mnc_len == 3) {
if (sess->home.presence == true)
ogs_plmn_id_build(&sess->home.plmn_id, mcc, mnc, mnc_len);
}
}
} else {
if (sess->dnn)
ogs_free(sess->dnn);
sess->dnn = ogs_strdup(SmPolicyContextData->dnn);
ogs_assert(sess->dnn);
if (sess->full_dnn)
ogs_free(sess->full_dnn);
sess->full_dnn = NULL;
}
if (sess->notification_uri)
ogs_free(sess->notification_uri);
sess->notification_uri = ogs_strdup(SmPolicyContextData->notification_uri);
ogs_assert(sess->notification_uri);
client = ogs_sbi_client_find(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
ogs_debug("%s: ogs_sbi_client_add()", OGS_FUNC);
client = ogs_sbi_client_add(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
strerror = ogs_msprintf("%s: ogs_sbi_client_add() failed",
OGS_FUNC);
status = OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR;
ogs_freeaddrinfo(addr);
goto cleanup;
}
}
OGS_SBI_SETUP_CLIENT(&sess->nsmf, client);
ogs_free(fqdn);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
if (SmPolicyContextData->ipv4_address)
ogs_assert(true ==
pcf_sess_set_ipv4addr(sess, SmPolicyContextData->ipv4_address));
if (SmPolicyContextData->ipv6_address_prefix)
ogs_assert(true ==
pcf_sess_set_ipv6prefix(
sess, SmPolicyContextData->ipv6_address_prefix));
if (SmPolicyContextData->ipv4_frame_route_list) {
OpenAPI_lnode_t *node = NULL;
OpenAPI_clear_and_free_string_list(sess->ipv4_frame_route_list);
sess->ipv4_frame_route_list = OpenAPI_list_create();
OpenAPI_list_for_each(SmPolicyContextData->ipv4_frame_route_list, node) {
if (!node->data)
continue;
OpenAPI_list_add(sess->ipv4_frame_route_list, ogs_strdup(node->data));
}
}
if (SmPolicyContextData->ipv6_frame_route_list) {
OpenAPI_lnode_t *node = NULL;
OpenAPI_clear_and_free_string_list(sess->ipv6_frame_route_list);
sess->ipv6_frame_route_list = OpenAPI_list_create();
OpenAPI_list_for_each(SmPolicyContextData->ipv6_frame_route_list, node) {
if (!node->data)
continue;
OpenAPI_list_add(sess->ipv6_frame_route_list, ogs_strdup(node->data));
}
}
sess->s_nssai.sst = sliceInfo->sst;
sess->s_nssai.sd = ogs_s_nssai_sd_from_string(sliceInfo->sd);
pcf_metrics_inst_by_slice_add(&pcf_ue->guami.plmn_id,
&sess->s_nssai, PCF_METR_GAUGE_PA_SESSIONNBR, 1);
pcf_metrics_inst_by_slice_add(&pcf_ue->guami.plmn_id,
&sess->s_nssai, PCF_METR_CTR_PA_POLICYSMASSOREQ, 1);
if (SmPolicyContextData->subs_sess_ambr)
sess->subscribed_sess_ambr = OpenAPI_ambr_copy(
sess->subscribed_sess_ambr, SmPolicyContextData->subs_sess_ambr);
if (SmPolicyContextData->subs_def_qos)
sess->subscribed_default_qos = OpenAPI_subscribed_default_qos_copy(
sess->subscribed_default_qos, SmPolicyContextData->subs_def_qos);
if (ogs_sbi_supi_in_vplmn(pcf_ue->supi) == true) {
/* Visited PLMN */
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_service_type_e service_type = OGS_SBI_SERVICE_TYPE_NULL;
service_type = OGS_SBI_SERVICE_TYPE_NPCF_POLICYAUTHORIZATION;
nf_instance = sess->sbi.service_type_array[service_type].nf_instance;
if (!nf_instance) {
OpenAPI_nf_type_e requester_nf_type =
NF_INSTANCE_TYPE(ogs_sbi_self()->nf_instance);
ogs_assert(requester_nf_type);
nf_instance = ogs_sbi_nf_instance_find_by_service_type(
service_type, requester_nf_type);
if (nf_instance)
OGS_SBI_SETUP_NF_INSTANCE(
sess->sbi.service_type_array[service_type],
nf_instance);
}
if (nf_instance) {
r = pcf_sess_sbi_discover_and_send(
OGS_SBI_SERVICE_TYPE_NBSF_MANAGEMENT, NULL,
pcf_nbsf_management_build_register,
sess, stream, nf_instance);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
} else {
r = pcf_sess_sbi_discover_only(sess, stream, service_type);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
}
return (r == OGS_OK);
} else {
/* Home PLMN */
r = pcf_sess_sbi_discover_and_send(
OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
pcf_nudr_dr_build_query_sm_data, sess, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return (r == OGS_OK);
}
cleanup:
ogs_assert(status);
ogs_assert(strerror);
ogs_error("%s", strerror);
/*
* TS29.512
* 4.2.2.2 SM Policy Association establishment
*
* If the PCF is, due to incomplete, erroneous or missing
* information (e.g. QoS, RAT type, subscriber information)
* not able to provision a policy decision as response to
* the request for PCC rules by the SMF, the PCF may reject
* the request and include in an HTTP "400 Bad Request"
* response message the "cause" attribute of the ProblemDetails
* data structure set to "ERROR_INITIAL_PARAMETERS".
*/
ogs_assert(true ==
ogs_sbi_server_send_error(stream, status, message,
strerror, NULL, "ERROR_INITIAL_PARAMETERS"));
ogs_free(strerror);
return false;
}
bool pcf_npcf_smpolicycontrol_handle_delete(pcf_sess_t *sess,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
int r;
int status = 0;
char *strerror = NULL;
pcf_ue_t *pcf_ue = NULL;
pcf_app_t *app_session = NULL;
OpenAPI_sm_policy_delete_data_t *SmPolicyDeleteData = NULL;
ogs_assert(sess);
pcf_ue = sess->pcf_ue;
ogs_assert(stream);
ogs_assert(message);
SmPolicyDeleteData = message->SmPolicyDeleteData;
if (!SmPolicyDeleteData) {
strerror = ogs_msprintf("[%s:%d] No SmPolicyDeleteData",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
ogs_list_for_each(&sess->app_list, app_session) {
pcf_sbi_send_policyauthorization_terminate_notify(app_session);
}
if (pcf_sessions_number_by_snssai_and_dnn(
pcf_ue, &sess->s_nssai, sess->dnn) > 1) {
ogs_sbi_message_t sendmsg;
memset(&sendmsg, 0, sizeof(sendmsg));
ogs_sbi_response_t *response = ogs_sbi_build_response(
&sendmsg, OGS_SBI_HTTP_STATUS_NO_CONTENT);
ogs_assert(response);
ogs_assert(true == ogs_sbi_server_send_response(stream, response));
} else {
r = pcf_sess_sbi_discover_and_send(
OGS_SBI_SERVICE_TYPE_NBSF_MANAGEMENT, NULL,
pcf_nbsf_management_build_de_register, sess, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
}
return true;
cleanup:
ogs_assert(status);
ogs_assert(strerror);
ogs_error("%s", strerror);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, status, message, strerror, NULL,
NULL));
ogs_free(strerror);
return false;
}
bool pcf_npcf_policyauthorization_handle_create(pcf_sess_t *sess,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
bool rc;
int i, j, rv, status = 0;
char *strerror = NULL;
pcf_ue_t *pcf_ue = NULL;
pcf_app_t *app_session = NULL;
ogs_sbi_client_t *client = NULL;
OpenAPI_uri_scheme_e scheme = OpenAPI_uri_scheme_NULL;
char *fqdn = NULL;
uint16_t fqdn_port = 0;
ogs_sockaddr_t *addr = NULL, *addr6 = NULL;
OpenAPI_app_session_context_t *AppSessionContext = NULL;
OpenAPI_app_session_context_req_data_t *AscReqData = NULL;
uint64_t supported_features = 0;
ogs_sbi_server_t *server = NULL;
ogs_sbi_header_t header;
ogs_sbi_message_t sendmsg;
ogs_sbi_response_t *response = NULL;
ogs_session_data_t session_data;
ogs_ims_data_t ims_data;
ogs_media_component_t *media_component = NULL;
ogs_media_sub_component_t *sub = NULL;
OpenAPI_list_t *MediaComponentList = NULL;
OpenAPI_map_t *MediaComponentMap = NULL;
OpenAPI_media_component_t *MediaComponent = NULL;
OpenAPI_list_t *SubComponentList = NULL;
OpenAPI_map_t *SubComponentMap = NULL;
OpenAPI_media_sub_component_t *SubComponent = NULL;
OpenAPI_list_t *fDescList = NULL;
OpenAPI_sm_policy_decision_t SmPolicyDecision;
OpenAPI_list_t *PccRuleList = NULL;
OpenAPI_map_t *PccRuleMap = NULL;
OpenAPI_pcc_rule_t *PccRule = NULL;
OpenAPI_list_t *QosDecisionList = NULL;
OpenAPI_map_t *QosDecisionMap = NULL;
OpenAPI_qos_data_t *QosData = NULL;
OpenAPI_lnode_t *node = NULL, *node2 = NULL, *node3 = NULL;
ogs_assert(sess);
pcf_ue = sess->pcf_ue;
ogs_assert(stream);
ogs_assert(recvmsg);
server = ogs_sbi_server_from_stream(stream);
ogs_assert(server);
memset(&ims_data, 0, sizeof(ims_data));
memset(&session_data, 0, sizeof(ogs_session_data_t));
AppSessionContext = recvmsg->AppSessionContext;
if (!AppSessionContext) {
strerror = ogs_msprintf("[%s:%d] No AppSessionContext",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
AscReqData = AppSessionContext->asc_req_data;
if (!AscReqData) {
strerror = ogs_msprintf("[%s:%d] No AscReqData",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!AscReqData->supp_feat) {
strerror = ogs_msprintf("[%s:%d] No AscReqData->suppFeat",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!AscReqData->notif_uri) {
strerror = ogs_msprintf("[%s:%d] No AscReqData->notifUri",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!AscReqData->med_components) {
strerror = ogs_msprintf("[%s:%d] No AscReqData->MediaCompoenent",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
rc = ogs_sbi_getaddr_from_uri(&scheme, &fqdn, &fqdn_port, &addr, &addr6,
AscReqData->notif_uri);
if (rc == false || scheme == OpenAPI_uri_scheme_NULL) {
strerror = ogs_msprintf("[%s:%d] Invalid URI [%s]",
pcf_ue->supi, sess->psi, AscReqData->notif_uri);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
supported_features = ogs_uint64_from_string(AscReqData->supp_feat);
sess->policyauthorization_features &= supported_features;
if (sess->policyauthorization_features != supported_features) {
ogs_free(AscReqData->supp_feat);
AscReqData->supp_feat =
ogs_uint64_to_string(sess->policyauthorization_features);
ogs_assert(AscReqData->supp_feat);
}
MediaComponentList = AscReqData->med_components;
OpenAPI_list_for_each(MediaComponentList, node) {
MediaComponentMap = node->data;
if (MediaComponentMap) {
MediaComponent = MediaComponentMap->value;
if (MediaComponent) {
media_component = &ims_data.
media_component[ims_data.num_of_media_component];
media_component->media_component_number =
MediaComponent->med_comp_n;
media_component->media_type = MediaComponent->med_type;
if (MediaComponent->mar_bw_dl)
media_component->max_requested_bandwidth_dl =
ogs_sbi_bitrate_from_string(MediaComponent->mar_bw_dl);
if (MediaComponent->mar_bw_ul)
media_component->max_requested_bandwidth_ul =
ogs_sbi_bitrate_from_string(MediaComponent->mar_bw_ul);
if (MediaComponent->mir_bw_dl)
media_component->min_requested_bandwidth_dl =
ogs_sbi_bitrate_from_string(MediaComponent->mir_bw_dl);
if (MediaComponent->mir_bw_ul)
media_component->min_requested_bandwidth_ul =
ogs_sbi_bitrate_from_string(MediaComponent->mir_bw_ul);
if (MediaComponent->rr_bw)
media_component->rr_bandwidth =
ogs_sbi_bitrate_from_string(MediaComponent->rr_bw);
if (MediaComponent->rs_bw)
media_component->rs_bandwidth =
ogs_sbi_bitrate_from_string(MediaComponent->rs_bw);
media_component->flow_status = MediaComponent->f_status;
SubComponentList = MediaComponent->med_sub_comps;
OpenAPI_list_for_each(SubComponentList, node2) {
sub = &media_component->sub[media_component->num_of_sub];
SubComponentMap = node2->data;
if (SubComponentMap) {
SubComponent = SubComponentMap->value;
if (SubComponent) {
sub->flow_number = SubComponent->f_num;
sub->flow_usage = SubComponent->flow_usage;
fDescList = SubComponent->f_descs;
OpenAPI_list_for_each(fDescList, node3) {
ogs_flow_t *flow = NULL;
ogs_assert(sub->num_of_flow <
OGS_MAX_NUM_OF_FLOW_IN_MEDIA_SUB_COMPONENT);
flow = &sub->flow[sub->num_of_flow];
if (node3->data) {
flow->description = ogs_strdup(node3->data);
ogs_assert(flow->description);
sub->num_of_flow++;
}
}
media_component->num_of_sub++;
}
}
}
ims_data.num_of_media_component++;
}
}
}
app_session = pcf_app_add(sess);
ogs_assert(app_session);
if (app_session->notif_uri)
ogs_free(app_session->notif_uri);
app_session->notif_uri = ogs_strdup(AscReqData->notif_uri);
ogs_assert(app_session->notif_uri);
client = ogs_sbi_client_find(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
ogs_debug("%s: ogs_sbi_client_add()", OGS_FUNC);
client = ogs_sbi_client_add(scheme, fqdn, fqdn_port, addr, addr6);
if (!client) {
strerror = ogs_msprintf("%s: ogs_sbi_client_add() failed",
OGS_FUNC);
status = OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR;
ogs_freeaddrinfo(addr);
goto cleanup;
}
}
OGS_SBI_SETUP_CLIENT(&app_session->naf, client);
ogs_free(fqdn);
ogs_freeaddrinfo(addr);
ogs_freeaddrinfo(addr6);
rv = pcf_db_qos_data(
pcf_ue->supi,
sess->home.presence == true ? &sess->home.plmn_id : NULL,
&sess->s_nssai, sess->dnn, &session_data);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] Cannot find SUPI in DB",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_NOT_FOUND;
goto cleanup;
}
memset(&SmPolicyDecision, 0, sizeof(SmPolicyDecision));
PccRuleList = OpenAPI_list_create();
ogs_assert(PccRuleList);
QosDecisionList = OpenAPI_list_create();
ogs_assert(QosDecisionList);
for (i = 0; i < ims_data.num_of_media_component; i++) {
int flow_presence = 0;
ogs_pcc_rule_t *pcc_rule = NULL;
ogs_pcc_rule_t *db_pcc_rule = NULL;
uint8_t qos_index = 0;
ogs_media_component_t *media_component = &ims_data.media_component[i];
if (media_component->media_type == OpenAPI_media_type_NULL) {
strerror = ogs_msprintf("[%s:%d] Media-Type is Required",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
switch(media_component->media_type) {
case OpenAPI_media_type_AUDIO:
qos_index = OGS_QOS_INDEX_1;
break;
case OpenAPI_media_type_VIDEO:
qos_index = OGS_QOS_INDEX_2;
break;
case OpenAPI_media_type_CONTROL:
qos_index = OGS_QOS_INDEX_5;
break;
default:
strerror = ogs_msprintf("[%s:%d] Unknown Media-Type [%d]",
pcf_ue->supi, sess->psi, media_component->media_type);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
for (j = 0; j < session_data.num_of_pcc_rule; j++) {
if (session_data.pcc_rule[j].qos.index == qos_index) {
db_pcc_rule = &session_data.pcc_rule[j];
break;
}
}
if (!db_pcc_rule &&
(media_component->media_type == OpenAPI_media_type_CONTROL)) {
/*
* Check for default bearer for IMS signalling
* QCI 5 and ARP 1
*/
if (session_data.session.qos.index != OGS_QOS_INDEX_5 ||
session_data.session.qos.arp.priority_level != 1) {
strerror = ogs_msprintf("[%s:%d] CHECK WEBUI : "
"Even the Default Bearer(QCI:%d,ARP:%d) "
"cannot support IMS signalling.",
pcf_ue->supi, sess->psi,
session_data.session.qos.index,
session_data.session.qos.arp.priority_level);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
} else {
continue;
}
}
if (!db_pcc_rule) {
strerror = ogs_msprintf("[%s:%d] CHECK WEBUI : "
"No PCC Rule in DB [QoS Index:%d] - "
"Please add PCC Rule using WEBUI",
pcf_ue->supi, sess->psi, qos_index);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
for (j = 0; j < app_session->num_of_pcc_rule; j++) {
if (app_session->pcc_rule[j].qos.index == qos_index) {
pcc_rule = &app_session->pcc_rule[j];
break;
}
}
if (!pcc_rule) {
pcc_rule = &app_session->pcc_rule[app_session->num_of_pcc_rule];
ogs_assert(pcc_rule);
pcc_rule->id = ogs_msprintf("%s-a%s",
db_pcc_rule->id, app_session->app_session_id);
ogs_assert(pcc_rule->id);
memcpy(&pcc_rule->qos, &db_pcc_rule->qos, sizeof(ogs_qos_t));
pcc_rule->flow_status = db_pcc_rule->flow_status;
pcc_rule->precedence = db_pcc_rule->precedence;
/* Install Flow */
flow_presence = 1;
rv = ogs_pcc_rule_install_flow_from_media(
pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] install_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
app_session->num_of_pcc_rule++;
} else {
int count = 0;
/* Check Flow */
count = ogs_pcc_rule_num_of_flow_equal_to_media(
pcc_rule, media_component);
if (count == -1) {
strerror = ogs_msprintf("[%s:%d] matched_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
if (pcc_rule->num_of_flow != count) {
/* Re-install Flow */
flow_presence = 1;
rv = ogs_pcc_rule_install_flow_from_media(
pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] re-install_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
}
}
/* Update QoS */
rv = ogs_pcc_rule_update_qos_from_media(pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] update_qos() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
/* if we failed to get QoS from IMS, apply WEBUI QoS */
if (pcc_rule->qos.mbr.downlink == 0)
pcc_rule->qos.mbr.downlink = db_pcc_rule->qos.mbr.downlink;
if (pcc_rule->qos.mbr.uplink == 0)
pcc_rule->qos.mbr.uplink = db_pcc_rule->qos.mbr.uplink;
if (pcc_rule->qos.gbr.downlink == 0)
pcc_rule->qos.gbr.downlink = db_pcc_rule->qos.gbr.downlink;
if (pcc_rule->qos.gbr.uplink == 0)
pcc_rule->qos.gbr.uplink = db_pcc_rule->qos.gbr.uplink;
/**************************************************************
* Build PCC Rule & QoS Decision
*************************************************************/
PccRule = ogs_sbi_build_pcc_rule(pcc_rule, flow_presence);
ogs_assert(PccRule->pcc_rule_id);
PccRuleMap = OpenAPI_map_create(PccRule->pcc_rule_id, PccRule);
ogs_assert(PccRuleMap);
OpenAPI_list_add(PccRuleList, PccRuleMap);
QosData = ogs_sbi_build_qos_data(pcc_rule);
ogs_assert(QosData);
ogs_assert(QosData->qos_id);
QosDecisionMap = OpenAPI_map_create(QosData->qos_id, QosData);
ogs_assert(QosDecisionMap);
OpenAPI_list_add(QosDecisionList, QosDecisionMap);
}
if (PccRuleList->count)
SmPolicyDecision.pcc_rules = PccRuleList;
if (QosDecisionList->count)
SmPolicyDecision.qos_decs = QosDecisionList;
memset(&sendmsg, 0, sizeof(sendmsg));
memset(&header, 0, sizeof(header));
header.service.name = (char *)OGS_SBI_SERVICE_NAME_NPCF_POLICYAUTHORIZATION;
header.api.version = (char *)OGS_SBI_API_V1;
header.resource.component[0] = (char *)OGS_SBI_RESOURCE_NAME_APP_SESSIONS;
header.resource.component[1] = (char *)app_session->app_session_id;
sendmsg.http.location = ogs_sbi_server_uri(server, &header);
ogs_assert(sendmsg.http.location);
sendmsg.AppSessionContext = recvmsg->AppSessionContext;
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_CREATED);
ogs_assert(response);
ogs_assert(true == ogs_sbi_server_send_response(stream, response));
ogs_free(sendmsg.http.location);
if (PccRuleList->count || QosDecisionList->count) {
ogs_assert(true == pcf_sbi_send_smpolicycontrol_update_notify(
sess, &SmPolicyDecision));
}
OpenAPI_list_for_each(PccRuleList, node) {
PccRuleMap = node->data;
if (PccRuleMap) {
PccRule = PccRuleMap->value;
if (PccRule)
ogs_sbi_free_pcc_rule(PccRule);
ogs_free(PccRuleMap);
}
}
OpenAPI_list_free(PccRuleList);
OpenAPI_list_for_each(QosDecisionList, node) {
QosDecisionMap = node->data;
if (QosDecisionMap) {
QosData = QosDecisionMap->value;
if (QosData)
ogs_sbi_free_qos_data(QosData);
ogs_free(QosDecisionMap);
}
}
OpenAPI_list_free(QosDecisionList);
ogs_ims_data_free(&ims_data);
OGS_SESSION_DATA_FREE(&session_data);
return true;
cleanup:
ogs_assert(status);
ogs_assert(strerror);
ogs_error("%s", strerror);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, status, recvmsg, strerror, NULL,
NULL));
ogs_free(strerror);
OpenAPI_list_for_each(PccRuleList, node) {
PccRuleMap = node->data;
if (PccRuleMap) {
PccRule = PccRuleMap->value;
if (PccRule)
ogs_sbi_free_pcc_rule(PccRule);
ogs_free(PccRuleMap);
}
}
OpenAPI_list_free(PccRuleList);
OpenAPI_list_for_each(QosDecisionList, node) {
QosDecisionMap = node->data;
if (QosDecisionMap) {
QosData = QosDecisionMap->value;
if (QosData)
ogs_sbi_free_qos_data(QosData);
ogs_free(QosDecisionMap);
}
}
OpenAPI_list_free(QosDecisionList);
ogs_ims_data_free(&ims_data);
OGS_SESSION_DATA_FREE(&session_data);
return false;
}
bool pcf_npcf_policyauthorization_handle_update(
pcf_sess_t *sess, pcf_app_t *app_session,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
int i, j, rv, status = 0;
char *strerror = NULL;
pcf_ue_t *pcf_ue = NULL;
OpenAPI_app_session_context_update_data_patch_t
*AppSessionContextUpdateDataPatch = NULL;
OpenAPI_app_session_context_update_data_t *AscUpdateData = NULL;
ogs_sbi_message_t sendmsg;
ogs_sbi_response_t *response = NULL;
ogs_session_data_t session_data;
ogs_ims_data_t ims_data;
ogs_media_component_t *media_component = NULL;
ogs_media_sub_component_t *sub = NULL;
OpenAPI_list_t *MediaComponentList = NULL;
OpenAPI_map_t *MediaComponentMap = NULL;
OpenAPI_media_component_rm_t *MediaComponent = NULL;
OpenAPI_list_t *SubComponentList = NULL;
OpenAPI_map_t *SubComponentMap = NULL;
OpenAPI_media_sub_component_rm_t *SubComponent = NULL;
OpenAPI_list_t *fDescList = NULL;
OpenAPI_sm_policy_decision_t SmPolicyDecision;
OpenAPI_list_t *PccRuleList = NULL;
OpenAPI_map_t *PccRuleMap = NULL;
OpenAPI_pcc_rule_t *PccRule = NULL;
OpenAPI_list_t *QosDecisionList = NULL;
OpenAPI_map_t *QosDecisionMap = NULL;
OpenAPI_qos_data_t *QosData = NULL;
OpenAPI_lnode_t *node = NULL, *node2 = NULL, *node3 = NULL;
ogs_assert(sess);
pcf_ue = sess->pcf_ue;
ogs_assert(app_session);
ogs_assert(stream);
ogs_assert(recvmsg);
memset(&ims_data, 0, sizeof(ims_data));
memset(&session_data, 0, sizeof(ogs_session_data_t));
AppSessionContextUpdateDataPatch =
recvmsg->AppSessionContextUpdateDataPatch;
if (!AppSessionContextUpdateDataPatch) {
strerror = ogs_msprintf("[%s:%d] No AppSessionContextUpdateDataPatch",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
AscUpdateData = AppSessionContextUpdateDataPatch->asc_req_data;
if (!AscUpdateData) {
strerror = ogs_msprintf("[%s:%d] No AscUpdateData",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
if (!AscUpdateData->med_components) {
strerror = ogs_msprintf("[%s:%d] No AscUpdateData->MediaCompoenent",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
MediaComponentList = AscUpdateData->med_components;
OpenAPI_list_for_each(MediaComponentList, node) {
MediaComponentMap = node->data;
if (MediaComponentMap) {
MediaComponent = MediaComponentMap->value;
if (MediaComponent) {
media_component = &ims_data.
media_component[ims_data.num_of_media_component];
media_component->media_component_number =
MediaComponent->med_comp_n;
media_component->media_type = MediaComponent->med_type;
if (MediaComponent->mar_bw_dl)
media_component->max_requested_bandwidth_dl =
ogs_sbi_bitrate_from_string(MediaComponent->mar_bw_dl);
if (MediaComponent->mar_bw_ul)
media_component->max_requested_bandwidth_ul =
ogs_sbi_bitrate_from_string(MediaComponent->mar_bw_ul);
if (MediaComponent->mir_bw_dl)
media_component->min_requested_bandwidth_dl =
ogs_sbi_bitrate_from_string(MediaComponent->mir_bw_dl);
if (MediaComponent->mir_bw_ul)
media_component->min_requested_bandwidth_ul =
ogs_sbi_bitrate_from_string(MediaComponent->mir_bw_ul);
if (MediaComponent->rr_bw)
media_component->rr_bandwidth =
ogs_sbi_bitrate_from_string(MediaComponent->rr_bw);
if (MediaComponent->rs_bw)
media_component->rs_bandwidth =
ogs_sbi_bitrate_from_string(MediaComponent->rs_bw);
media_component->flow_status = MediaComponent->f_status;
SubComponentList = MediaComponent->med_sub_comps;
OpenAPI_list_for_each(SubComponentList, node2) {
sub = &media_component->sub[media_component->num_of_sub];
SubComponentMap = node2->data;
if (SubComponentMap) {
SubComponent = SubComponentMap->value;
if (SubComponent) {
sub->flow_number = SubComponent->f_num;
sub->flow_usage = SubComponent->flow_usage;
fDescList = SubComponent->f_descs;
OpenAPI_list_for_each(fDescList, node3) {
ogs_flow_t *flow = NULL;
ogs_assert(sub->num_of_flow <
OGS_MAX_NUM_OF_FLOW_IN_MEDIA_SUB_COMPONENT);
flow = &sub->flow[sub->num_of_flow];
if (node3->data) {
flow->description = ogs_strdup(node3->data);
ogs_assert(flow->description);
sub->num_of_flow++;
}
}
media_component->num_of_sub++;
}
}
}
ims_data.num_of_media_component++;
}
}
}
rv = pcf_db_qos_data(
pcf_ue->supi,
sess->home.presence == true ? &sess->home.plmn_id : NULL,
&sess->s_nssai, sess->dnn, &session_data);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] Cannot find SUPI in DB",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_NOT_FOUND;
goto cleanup;
}
memset(&SmPolicyDecision, 0, sizeof(SmPolicyDecision));
PccRuleList = OpenAPI_list_create();
ogs_assert(PccRuleList);
QosDecisionList = OpenAPI_list_create();
ogs_assert(QosDecisionList);
for (i = 0; i < ims_data.num_of_media_component; i++) {
int flow_presence = 0;
ogs_pcc_rule_t *pcc_rule = NULL;
ogs_pcc_rule_t *db_pcc_rule = NULL;
uint8_t qos_index = 0;
ogs_media_component_t *media_component = &ims_data.media_component[i];
if (media_component->media_type == OpenAPI_media_type_NULL) {
strerror = ogs_msprintf("[%s:%d] Media-Type is Required",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
switch(media_component->media_type) {
case OpenAPI_media_type_AUDIO:
qos_index = OGS_QOS_INDEX_1;
break;
case OpenAPI_media_type_VIDEO:
qos_index = OGS_QOS_INDEX_2;
break;
case OpenAPI_media_type_CONTROL:
qos_index = OGS_QOS_INDEX_5;
break;
default:
strerror = ogs_msprintf("[%s:%d] Unknown Media-Type [%d]",
pcf_ue->supi, sess->psi, media_component->media_type);
status = OGS_SBI_HTTP_STATUS_BAD_REQUEST;
goto cleanup;
}
for (j = 0; j < session_data.num_of_pcc_rule; j++) {
if (session_data.pcc_rule[j].qos.index == qos_index) {
db_pcc_rule = &session_data.pcc_rule[j];
break;
}
}
if (!db_pcc_rule &&
(media_component->media_type == OpenAPI_media_type_CONTROL)) {
/*
* Check for default bearer for IMS signalling
* QCI 5 and ARP 1
*/
if (session_data.session.qos.index != OGS_QOS_INDEX_5 ||
session_data.session.qos.arp.priority_level != 1) {
strerror = ogs_msprintf("[%s:%d] CHECK WEBUI : "
"Even the Default Bearer(QCI:%d,ARP:%d) "
"cannot support IMS signalling.",
pcf_ue->supi, sess->psi,
session_data.session.qos.index,
session_data.session.qos.arp.priority_level);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
} else {
continue;
}
}
if (!db_pcc_rule) {
strerror = ogs_msprintf("[%s:%d] CHECK WEBUI : "
"No PCC Rule in DB [QoS Index:%d] - "
"Please add PCC Rule using WEBUI",
pcf_ue->supi, sess->psi, qos_index);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
for (j = 0; j < app_session->num_of_pcc_rule; j++) {
if (app_session->pcc_rule[j].qos.index == qos_index) {
pcc_rule = &app_session->pcc_rule[j];
break;
}
}
if (!pcc_rule) {
pcc_rule = &app_session->pcc_rule[app_session->num_of_pcc_rule];
ogs_assert(pcc_rule);
pcc_rule->id = ogs_strdup(app_session->app_session_id);
ogs_assert(pcc_rule->id);
memcpy(&pcc_rule->qos, &db_pcc_rule->qos, sizeof(ogs_qos_t));
pcc_rule->flow_status = db_pcc_rule->flow_status;
pcc_rule->precedence = db_pcc_rule->precedence;
/* Install Flow */
flow_presence = 1;
rv = ogs_pcc_rule_install_flow_from_media(
pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] install_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
app_session->num_of_pcc_rule++;
} else {
int count = 0;
/* Check Flow */
count = ogs_pcc_rule_num_of_flow_equal_to_media(
pcc_rule, media_component);
if (count == -1) {
strerror = ogs_msprintf("[%s:%d] matched_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
if (pcc_rule->num_of_flow != count) {
/* Re-install Flow */
flow_presence = 1;
rv = ogs_pcc_rule_install_flow_from_media(
pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] re-install_flow() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
}
}
/* Update QoS */
rv = ogs_pcc_rule_update_qos_from_media(pcc_rule, media_component);
if (rv != OGS_OK) {
strerror = ogs_msprintf("[%s:%d] update_qos() failed",
pcf_ue->supi, sess->psi);
status = OGS_SBI_HTTP_STATUS_FORBIDDEN;
goto cleanup;
}
/* if we failed to get QoS from IMS, apply WEBUI QoS */
if (pcc_rule->qos.mbr.downlink == 0)
pcc_rule->qos.mbr.downlink = db_pcc_rule->qos.mbr.downlink;
if (pcc_rule->qos.mbr.uplink == 0)
pcc_rule->qos.mbr.uplink = db_pcc_rule->qos.mbr.uplink;
if (pcc_rule->qos.gbr.downlink == 0)
pcc_rule->qos.gbr.downlink = db_pcc_rule->qos.gbr.downlink;
if (pcc_rule->qos.gbr.uplink == 0)
pcc_rule->qos.gbr.uplink = db_pcc_rule->qos.gbr.uplink;
/**************************************************************
* Build PCC Rule & QoS Decision
*************************************************************/
PccRule = ogs_sbi_build_pcc_rule(pcc_rule, flow_presence);
ogs_assert(PccRule->pcc_rule_id);
PccRuleMap = OpenAPI_map_create(PccRule->pcc_rule_id, PccRule);
ogs_assert(PccRuleMap);
OpenAPI_list_add(PccRuleList, PccRuleMap);
QosData = ogs_sbi_build_qos_data(pcc_rule);
ogs_assert(QosData);
ogs_assert(QosData->qos_id);
QosDecisionMap = OpenAPI_map_create(QosData->qos_id, QosData);
ogs_assert(QosDecisionMap);
OpenAPI_list_add(QosDecisionList, QosDecisionMap);
}
if (PccRuleList->count)
SmPolicyDecision.pcc_rules = PccRuleList;
if (QosDecisionList->count)
SmPolicyDecision.qos_decs = QosDecisionList;
memset(&sendmsg, 0, sizeof(sendmsg));
sendmsg.AppSessionContextUpdateDataPatch =
recvmsg->AppSessionContextUpdateDataPatch;
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_OK);
ogs_assert(response);
ogs_assert(true == ogs_sbi_server_send_response(stream, response));
if (PccRuleList->count || QosDecisionList->count) {
ogs_assert(true == pcf_sbi_send_smpolicycontrol_update_notify(
sess, &SmPolicyDecision));
}
OpenAPI_list_for_each(PccRuleList, node) {
PccRuleMap = node->data;
if (PccRuleMap) {
PccRule = PccRuleMap->value;
if (PccRule)
ogs_sbi_free_pcc_rule(PccRule);
ogs_free(PccRuleMap);
}
}
OpenAPI_list_free(PccRuleList);
OpenAPI_list_for_each(QosDecisionList, node) {
QosDecisionMap = node->data;
if (QosDecisionMap) {
QosData = QosDecisionMap->value;
if (QosData)
ogs_sbi_free_qos_data(QosData);
ogs_free(QosDecisionMap);
}
}
OpenAPI_list_free(QosDecisionList);
ogs_ims_data_free(&ims_data);
OGS_SESSION_DATA_FREE(&session_data);
return true;
cleanup:
ogs_assert(status);
ogs_assert(strerror);
ogs_error("%s", strerror);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, status, recvmsg, strerror,
NULL, NULL));
ogs_free(strerror);
OpenAPI_list_for_each(PccRuleList, node) {
PccRuleMap = node->data;
if (PccRuleMap) {
PccRule = PccRuleMap->value;
if (PccRule)
ogs_sbi_free_pcc_rule(PccRule);
ogs_free(PccRuleMap);
}
}
OpenAPI_list_free(PccRuleList);
OpenAPI_list_for_each(QosDecisionList, node) {
QosDecisionMap = node->data;
if (QosDecisionMap) {
QosData = QosDecisionMap->value;
if (QosData)
ogs_sbi_free_qos_data(QosData);
ogs_free(QosDecisionMap);
}
}
OpenAPI_list_free(QosDecisionList);
ogs_ims_data_free(&ims_data);
OGS_SESSION_DATA_FREE(&session_data);
return false;
}
bool pcf_npcf_policyauthorization_handle_delete(
pcf_sess_t *sess, pcf_app_t *app_session,
ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
int i;
OpenAPI_sm_policy_decision_t SmPolicyDecision;
OpenAPI_list_t *PccRuleList = NULL;
OpenAPI_map_t *PccRuleMap = NULL;
OpenAPI_list_t *QosDecisionList = NULL;
OpenAPI_map_t *QosDecisionMap = NULL;
OpenAPI_lnode_t *node = NULL;
ogs_assert(true == ogs_sbi_send_http_status_no_content(stream));
ogs_assert(app_session);
memset(&SmPolicyDecision, 0, sizeof(SmPolicyDecision));
PccRuleList = OpenAPI_list_create();
ogs_assert(PccRuleList);
QosDecisionList = OpenAPI_list_create();
ogs_assert(QosDecisionList);
for (i = 0; i < app_session->num_of_pcc_rule; i++) {
ogs_pcc_rule_t *pcc_rule = &app_session->pcc_rule[i];
ogs_assert(pcc_rule);
PccRuleMap = OpenAPI_map_create(pcc_rule->id, NULL);
ogs_assert(PccRuleMap);
OpenAPI_list_add(PccRuleList, PccRuleMap);
QosDecisionMap = OpenAPI_map_create(pcc_rule->id, NULL);
ogs_assert(QosDecisionMap);
OpenAPI_list_add(QosDecisionList, QosDecisionMap);
}
if (PccRuleList->count)
SmPolicyDecision.pcc_rules = PccRuleList;
if (QosDecisionList->count)
SmPolicyDecision.qos_decs = QosDecisionList;
if (PccRuleList->count || QosDecisionList->count) {
ogs_assert(true == pcf_sbi_send_smpolicycontrol_delete_notify(
sess, app_session, &SmPolicyDecision));
} else {
pcf_app_remove(app_session);
}
OpenAPI_list_for_each(PccRuleList, node) {
PccRuleMap = node->data;
if (PccRuleMap) {
ogs_free(PccRuleMap);
}
}
OpenAPI_list_free(PccRuleList);
OpenAPI_list_for_each(QosDecisionList, node) {
QosDecisionMap = node->data;
if (QosDecisionMap) {
ogs_free(QosDecisionMap);
}
}
OpenAPI_list_free(QosDecisionList);
return true;
}
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