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open5gs/src/udm/nudm-handler.c

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/*
* Copyright (C) 2019,2020 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 "nnrf-handler.h"
#include "nudm-handler.h"
bool udm_nudm_ueau_handle_get(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
OpenAPI_authentication_info_request_t *AuthenticationInfoRequest = NULL;
OpenAPI_resynchronization_info_t *ResynchronizationInfo = NULL;
int r;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(recvmsg);
AuthenticationInfoRequest = recvmsg->AuthenticationInfoRequest;
if (!AuthenticationInfoRequest) {
ogs_error("[%s] No AuthenticationInfoRequest", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No AuthenticationInfoRequest", udm_ue->suci));
return false;
}
if (!AuthenticationInfoRequest->serving_network_name) {
ogs_error("[%s] No servingNetworkName", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No servingNetworkName", udm_ue->suci));
return false;
}
if (!AuthenticationInfoRequest->ausf_instance_id) {
ogs_error("[%s] No ausfInstanceId", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No ausfInstanceId", udm_ue->suci));
return false;
}
if (udm_ue->serving_network_name)
ogs_free(udm_ue->serving_network_name);
udm_ue->serving_network_name =
ogs_strdup(AuthenticationInfoRequest->serving_network_name);
ogs_assert(udm_ue->serving_network_name);
if (udm_ue->ausf_instance_id)
ogs_free(udm_ue->ausf_instance_id);
udm_ue->ausf_instance_id =
ogs_strdup(AuthenticationInfoRequest->ausf_instance_id);
ogs_assert(udm_ue->ausf_instance_id);
ResynchronizationInfo = AuthenticationInfoRequest->resynchronization_info;
if (!ResynchronizationInfo) {
r = udm_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_authentication_subscription,
udm_ue, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
} else {
uint8_t rand[OGS_RAND_LEN];
uint8_t auts[OGS_AUTS_LEN];
uint8_t sqn_ms[OGS_SQN_LEN];
uint8_t mac_s[OGS_MAC_S_LEN];
uint64_t sqn = 0;
if (!ResynchronizationInfo->rand) {
ogs_error("[%s] No RAND", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No RAND", udm_ue->suci));
return false;
}
if (!ResynchronizationInfo->auts) {
ogs_error("[%s] No AUTS", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No AUTS", udm_ue->suci));
return false;
}
ogs_ascii_to_hex(
ResynchronizationInfo->rand, strlen(ResynchronizationInfo->rand),
rand, sizeof(rand));
ogs_ascii_to_hex(
ResynchronizationInfo->auts, strlen(ResynchronizationInfo->auts),
auts, sizeof(auts));
if (memcmp(udm_ue->rand, rand, OGS_RAND_LEN) != 0) {
ogs_error("[%s] Invalid RAND", udm_ue->suci);
ogs_log_hexdump(OGS_LOG_ERROR, udm_ue->rand, sizeof(udm_ue)->rand);
ogs_log_hexdump(OGS_LOG_ERROR, rand, sizeof(rand));
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "Invalid RAND", udm_ue->suci));
return false;
}
ogs_auc_sqn(udm_ue->opc, udm_ue->k, rand, auts, sqn_ms, mac_s);
if (memcmp(auts + OGS_SQN_LEN, mac_s, OGS_MAC_S_LEN) != 0) {
ogs_error("[%s] Re-synch MAC failed", udm_ue->suci);
ogs_log_print(OGS_LOG_ERROR, "[MAC_S] ");
ogs_log_hexdump(OGS_LOG_ERROR, mac_s, OGS_MAC_S_LEN);
ogs_log_hexdump(OGS_LOG_ERROR, auts + OGS_SQN_LEN, OGS_MAC_S_LEN);
ogs_log_hexdump(OGS_LOG_ERROR, sqn_ms, OGS_SQN_LEN);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_UNAUTHORIZED,
recvmsg, "Re-sync MAC failed", udm_ue->suci));
return false;
}
sqn = ogs_buffer_to_uint64(sqn_ms, OGS_SQN_LEN);
/* 33.102 C.3.4 Guide : IND + 1
*
* General rule: index values IND used in the array scheme,
* according to Annex C.1.2, shall be allocated cyclically
* within its range 0, ... , a-1. This means that the index value IND
* used with the previously generated authentication vector is stored
* in SQN HE , and the next authentication vector shall use index
* value IND +1 mod a.
*
* In future releases there may be additional information
* about the requesting node identity. If this information is
* available it is recommended to use it in the following way:
*
* - If the new request comes from the same serving node
* as the previous request, then the index value used for
* the new request shall be the same as was used for
* the previous request.
*/
sqn = (sqn + 32 + 1) & OGS_MAX_SQN;
ogs_uint64_to_buffer(sqn, OGS_SQN_LEN, udm_ue->sqn);
r = udm_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_authentication_subscription,
udm_ue, stream, udm_ue->sqn);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
}
return true;
}
bool udm_nudm_ueau_handle_result_confirmation_inform(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
OpenAPI_auth_event_t *AuthEvent = NULL;
int r;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(message);
AuthEvent = message->AuthEvent;
if (!AuthEvent) {
ogs_error("[%s] No AuthEvent", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No AuthEvent", udm_ue->suci));
return false;
}
if (!AuthEvent->nf_instance_id) {
ogs_error("[%s] No nfInstanceId", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No nfInstanceId", udm_ue->suci));
return false;
}
if (!AuthEvent->success) {
ogs_error("[%s] No success", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No success", udm_ue->suci));
return false;
}
if (!AuthEvent->time_stamp) {
ogs_error("[%s] No timeStamp", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No timeStamp", udm_ue->suci));
return false;
}
if (!AuthEvent->auth_type) {
ogs_error("[%s] No authType", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No authType", udm_ue->suci));
return false;
}
if (!AuthEvent->serving_network_name) {
ogs_error("[%s] No servingNetworkName", udm_ue->suci);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No servingNetworkName", udm_ue->suci));
return false;
}
udm_ue->auth_event = OpenAPI_auth_event_copy(
udm_ue->auth_event, message->AuthEvent);
r = udm_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_update_authentication_status,
udm_ue, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return true;
}
bool udm_nudm_uecm_handle_amf_registration(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
OpenAPI_amf3_gpp_access_registration_t *Amf3GppAccessRegistration = NULL;
OpenAPI_guami_t *Guami = NULL;
int r;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(message);
Amf3GppAccessRegistration = message->Amf3GppAccessRegistration;
if (!Amf3GppAccessRegistration) {
ogs_error("[%s] No Amf3GppAccessRegistration", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Amf3GppAccessRegistration", udm_ue->supi));
return false;
}
if (!Amf3GppAccessRegistration->amf_instance_id) {
ogs_error("[%s] No amfInstanceId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No amfInstanceId", udm_ue->supi));
return false;
}
if (!Amf3GppAccessRegistration->dereg_callback_uri) {
ogs_error("[%s] No dregCallbackUri", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No dregCallbackUri", udm_ue->supi));
return false;
}
Guami = Amf3GppAccessRegistration->guami;
if (!Guami) {
ogs_error("[%s] No Guami", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Guami", udm_ue->supi));
return false;
}
if (!Guami->amf_id) {
ogs_error("[%s] No Guami.AmfId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Guami.AmfId", udm_ue->supi));
return false;
}
if (!Guami->plmn_id) {
ogs_error("[%s] No PlmnId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId", udm_ue->supi));
return false;
}
if (!Guami->plmn_id->mnc) {
ogs_error("[%s] No PlmnId.Mnc", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId.Mnc", udm_ue->supi));
return false;
}
if (!Guami->plmn_id->mcc) {
ogs_error("[%s] No PlmnId.Mcc", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId.Mcc", udm_ue->supi));
return false;
}
if (!Amf3GppAccessRegistration->rat_type) {
ogs_error("[%s] No RatType", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No RatType", udm_ue->supi));
return false;
}
if (udm_ue->dereg_callback_uri)
ogs_free(udm_ue->dereg_callback_uri);
udm_ue->dereg_callback_uri = ogs_strdup(
Amf3GppAccessRegistration->dereg_callback_uri);
ogs_assert(udm_ue->dereg_callback_uri);
ogs_sbi_parse_guami(&udm_ue->guami, Guami);
udm_ue->rat_type = Amf3GppAccessRegistration->rat_type;
udm_ue->amf_3gpp_access_registration =
OpenAPI_amf3_gpp_access_registration_copy(
udm_ue->amf_3gpp_access_registration,
message->Amf3GppAccessRegistration);
r = udm_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_update_amf_context, udm_ue, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return true;
}
bool udm_nudm_uecm_handle_amf_registration_update(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
OpenAPI_amf3_gpp_access_registration_modification_t
*Amf3GppAccessRegistrationModification = NULL;
OpenAPI_guami_t *Guami = NULL;
ogs_guami_t recv_guami;
OpenAPI_list_t *PatchItemList = NULL;
OpenAPI_patch_item_t item;
int r;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(message);
Amf3GppAccessRegistrationModification = message->Amf3GppAccessRegistrationModification;
if (!Amf3GppAccessRegistrationModification) {
ogs_error("[%s] No Amf3GppAccessRegistrationModification", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Amf3GppAccessRegistrationModification", udm_ue->supi));
return false;
}
Guami = Amf3GppAccessRegistrationModification->guami;
if (!Guami) {
ogs_error("[%s] No Guami", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Guami", udm_ue->supi));
return false;
}
if (!Guami->amf_id) {
ogs_error("[%s] No Guami.AmfId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No Guami.AmfId", udm_ue->supi));
return false;
}
if (!Guami->plmn_id) {
ogs_error("[%s] No PlmnId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId", udm_ue->supi));
return false;
}
if (!Guami->plmn_id->mnc) {
ogs_error("[%s] No PlmnId.Mnc", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId.Mnc", udm_ue->supi));
return false;
}
if (!Guami->plmn_id->mcc) {
ogs_error("[%s] No PlmnId.Mcc", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No PlmnId.Mcc", udm_ue->supi));
return false;
}
/* TS 29.503: 5.3.2.4.2 AMF deregistration for 3GPP access
* 2a. The UDM shall check whether the received GUAMI matches the stored
* GUAMI. If so, the UDM shall set the PurgeFlag. The UDM responds with
* "204 No Content".
* 2b. Otherwise the UDM responds with "403 Forbidden". */
ogs_sbi_parse_guami(&recv_guami, Guami);
if (memcmp(&recv_guami, &udm_ue->guami, sizeof(recv_guami)) != 0) {
ogs_error("[%s] Guami mismatch", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_FORBIDDEN,
message, "Guami mismatch", udm_ue->supi));
return false;
}
if (Amf3GppAccessRegistrationModification->is_purge_flag) {
ogs_assert(udm_ue->amf_3gpp_access_registration);
udm_ue->amf_3gpp_access_registration->is_purge_flag =
Amf3GppAccessRegistrationModification->is_purge_flag;
udm_ue->amf_3gpp_access_registration->purge_flag =
Amf3GppAccessRegistrationModification->purge_flag;
}
PatchItemList = OpenAPI_list_create();
ogs_assert(PatchItemList);
if (Amf3GppAccessRegistrationModification->is_purge_flag) {
memset(&item, 0, sizeof(item));
item.op = OpenAPI_patch_operation_replace;
item.path = (char *)"PurgeFlag";
item.value = OpenAPI_any_type_create_bool(
Amf3GppAccessRegistrationModification->purge_flag);
ogs_assert(item.value);
OpenAPI_list_add(PatchItemList, &item);
}
r = udm_ue_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_patch_amf_context,
udm_ue, stream, PatchItemList);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return true;
}
bool udm_nudm_uecm_handle_smf_registration(
udm_sess_t *sess, ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
udm_ue_t *udm_ue = NULL;
OpenAPI_smf_registration_t *SmfRegistration = NULL;
int r;
ogs_assert(stream);
ogs_assert(message);
ogs_assert(sess);
udm_ue = sess->udm_ue;
ogs_assert(udm_ue);
SmfRegistration = message->SmfRegistration;
if (!SmfRegistration) {
ogs_error("[%s:%d] No SmfRegistration", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No SmfRegistration", udm_ue->supi));
return false;
}
if (!SmfRegistration->smf_instance_id) {
ogs_error("[%s:%d] No smfInstanceId", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No smfInstanceId", udm_ue->supi));
return false;
}
if (!SmfRegistration->pdu_session_id) {
ogs_error("[%s:%d] No pduSessionId", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No pduSessionId", udm_ue->supi));
return false;
}
if (!SmfRegistration->single_nssai || !SmfRegistration->single_nssai->sst) {
ogs_error("[%s:%d] No singleNssai", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No singleNssai", udm_ue->supi));
return false;
}
if (!SmfRegistration->dnn) {
ogs_error("[%s:%d] No dnn", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No dnn", udm_ue->supi));
return false;
}
if (!SmfRegistration->plmn_id ||
!SmfRegistration->plmn_id->mcc || !SmfRegistration->plmn_id->mnc) {
ogs_error("[%s:%d] No plmnId", udm_ue->supi, sess->psi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
message, "No plmnId", udm_ue->supi));
return false;
}
sess->smf_registration =
OpenAPI_smf_registration_copy(sess->smf_registration, SmfRegistration);
r = udm_sess_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_update_smf_context, sess, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return true;
}
bool udm_nudm_uecm_handle_smf_deregistration(
udm_sess_t *sess, ogs_sbi_stream_t *stream, ogs_sbi_message_t *message)
{
udm_ue_t *udm_ue = NULL;
int r;
ogs_assert(stream);
ogs_assert(message);
ogs_assert(sess);
udm_ue = sess->udm_ue;
ogs_assert(udm_ue);
r = udm_sess_sbi_discover_and_send(OGS_SBI_SERVICE_TYPE_NUDR_DR, NULL,
udm_nudr_dr_build_delete_smf_context, sess, stream, NULL);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return true;
}
bool udm_nudm_sdm_handle_subscription_provisioned(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
ogs_sbi_message_t sendmsg;
ogs_sbi_response_t *response = NULL;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(recvmsg);
SWITCH(recvmsg->h.resource.component[1])
CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA)
OpenAPI_ue_context_in_smf_data_t UeContextInSmfData;
memset(&UeContextInSmfData, 0, sizeof(UeContextInSmfData));
memset(&sendmsg, 0, sizeof(sendmsg));
sendmsg.UeContextInSmfData = &UeContextInSmfData;
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_OK);
ogs_assert(response);
ogs_sbi_server_send_response(stream, response);
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
recvmsg->h.resource.component[3]);
return false;
END
return true;
}
bool udm_nudm_sdm_handle_subscription_create(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
ogs_sbi_message_t sendmsg;
ogs_sbi_response_t *response = NULL;
ogs_sbi_server_t *server = NULL;
ogs_sbi_header_t header;
OpenAPI_sdm_subscription_t *SDMSubscription = NULL;
udm_sdm_subscription_t *sdm_subscription = NULL;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(recvmsg);
SDMSubscription = recvmsg->SDMSubscription;
if (!SDMSubscription) {
ogs_error("[%s] No SDMSubscription", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No SDMSubscription", udm_ue->supi));
return false;
}
if (!SDMSubscription->nf_instance_id) {
ogs_error("[%s] No nfInstanceId", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No nfInstanceId", udm_ue->supi));
return false;
}
if (!SDMSubscription->callback_reference) {
ogs_error("[%s] No callbackReference", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No callbackReference", udm_ue->supi));
return false;
}
if ((!SDMSubscription->monitored_resource_uris) &&
(!SDMSubscription->monitored_resource_uris->count)) {
ogs_error("[%s] No monitoredResourceUris", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No monitoredResourceUris", udm_ue->supi));
return false;
}
sdm_subscription = udm_sdm_subscription_add(udm_ue);
ogs_assert(sdm_subscription);
sdm_subscription->data_change_callback_uri =
ogs_strdup(SDMSubscription->callback_reference);
server = ogs_sbi_server_from_stream(stream);
ogs_assert(server);
memset(&header, 0, sizeof(header));
header.service.name = (char *)OGS_SBI_SERVICE_NAME_NUDM_SDM;
header.api.version = (char *)OGS_SBI_API_V2;
header.resource.component[0] = udm_ue->supi;
header.resource.component[1] =
(char *)OGS_SBI_RESOURCE_NAME_SDM_SUBSCRIPTIONS;
header.resource.component[2] = sdm_subscription->id;
memset(&sendmsg, 0, sizeof(sendmsg));
sendmsg.http.location = ogs_sbi_server_uri(server, &header);
sendmsg.SDMSubscription = OpenAPI_sdm_subscription_copy(
sendmsg.SDMSubscription, SDMSubscription);
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_CREATED);
ogs_assert(response);
ogs_sbi_server_send_response(stream, response);
ogs_free(sendmsg.http.location);
OpenAPI_sdm_subscription_free(sendmsg.SDMSubscription);
return true;
}
bool udm_nudm_sdm_handle_subscription_delete(
udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
{
ogs_sbi_message_t sendmsg;
ogs_sbi_response_t *response = NULL;
udm_sdm_subscription_t *sdm_subscription;
ogs_assert(udm_ue);
ogs_assert(stream);
ogs_assert(recvmsg);
if (!recvmsg->h.resource.component[2]) {
ogs_error("[%s] No subscriptionID", udm_ue->supi);
ogs_assert(true ==
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
recvmsg, "No subscriptionID", udm_ue->supi));
return false;
}
sdm_subscription = udm_sdm_subscription_find_by_id(
recvmsg->h.resource.component[2]);
if (sdm_subscription) {
udm_sdm_subscription_remove(sdm_subscription);
} else {
ogs_error("Subscription to be deleted does not exist [%s]",
recvmsg->h.resource.component[2]);
ogs_assert(true ==
ogs_sbi_server_send_error(
stream, OGS_SBI_HTTP_STATUS_NOT_FOUND,
recvmsg, "Subscription Not found", recvmsg->h.method));
return false;
}
memset(&sendmsg, 0, sizeof(sendmsg));
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_NO_CONTENT);
ogs_assert(response);
ogs_sbi_server_send_response(stream, response);
return true;
}
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