106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "nnssf-handler.h"
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#include "nas-path.h"
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#include "sbi-path.h"
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int amf_nnssf_nsselection_handle_get(
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amf_sess_t *sess, ogs_sbi_message_t *recvmsg)
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{
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amf_ue_t *amf_ue = NULL;
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ogs_sbi_client_t *client = NULL;
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ogs_sockaddr_t *addr = NULL;
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OpenAPI_authorized_network_slice_info_t *AuthorizedNetworkSliceInfo = NULL;
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OpenAPI_nsi_information_t *NsiInformation = NULL;
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ogs_assert(sess);
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amf_ue = sess->amf_ue;
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ogs_assert(amf_ue);
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ogs_assert(recvmsg);
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ogs_assert(!SESSION_CONTEXT_IN_SMF(sess));
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if (recvmsg->res_status != OGS_SBI_HTTP_STATUS_OK) {
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ogs_error("[%s] HTTP response error [%d]",
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amf_ue->supi, recvmsg->res_status);
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ogs_assert(OGS_OK ==
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nas_5gs_send_gmm_status(amf_ue, recvmsg->res_status));
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return OGS_ERROR;
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}
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AuthorizedNetworkSliceInfo = recvmsg->AuthorizedNetworkSliceInfo;
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if (!AuthorizedNetworkSliceInfo) {
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ogs_error("No AuthorizedNetworkSliceInfo");
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ogs_assert(OGS_OK ==
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nas_5gs_send_gmm_reject_from_sbi(
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amf_ue, OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR));
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return OGS_ERROR;
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}
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NsiInformation = AuthorizedNetworkSliceInfo->nsi_information;
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if (!NsiInformation) {
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ogs_error("No NsiInformation");
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ogs_assert(OGS_OK ==
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nas_5gs_send_gmm_reject_from_sbi(
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amf_ue, OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR));
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return OGS_ERROR;
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}
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if (!NsiInformation->nrf_id) {
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ogs_error("No nrfId");
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ogs_assert(OGS_OK ==
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nas_5gs_send_gmm_reject_from_sbi(
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amf_ue, OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR));
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return OGS_ERROR;
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}
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if (sess->nssf.nrf.id)
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ogs_free(sess->nssf.nrf.id);
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sess->nssf.nrf.id = ogs_strdup(NsiInformation->nrf_id);
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ogs_assert(sess->nssf.nrf.id);
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addr = ogs_sbi_getaddr_from_uri(NsiInformation->nrf_id);
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if (!addr) {
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ogs_error("[%s:%d] Invalid URI [%s]",
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amf_ue->supi, sess->psi, NsiInformation->nrf_id);
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ogs_assert(OGS_OK ==
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nas_5gs_send_gmm_reject_from_sbi(
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amf_ue, OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR));
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return OGS_ERROR;;
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}
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client = ogs_sbi_client_find(addr);
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if (!client) {
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client = ogs_sbi_client_add(addr);
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ogs_assert(client);
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}
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OGS_SBI_SETUP_CLIENT(&sess->nssf.nrf, client);
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ogs_freeaddrinfo(addr);
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ogs_assert(true == amf_sess_sbi_discover_by_nsi(
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sess, OGS_SBI_SERVICE_TYPE_NSMF_PDUSESSION, NULL));
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return OGS_OK;
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}
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