open5gs/src/mme/mme-s6a-handler.c

93 lines
3.1 KiB
C

/*
* Copyright (C) 2019 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 "nas-path.h"
#include "s1ap-path.h"
#include "mme-sm.h"
#include "mme-s6a-handler.h"
void mme_s6a_handle_aia(mme_ue_t *mme_ue,
ogs_diam_s6a_aia_message_t *aia_message)
{
ogs_diam_e_utran_vector_t *e_utran_vector = NULL;
ogs_assert(mme_ue);
ogs_assert(aia_message);
e_utran_vector = &aia_message->e_utran_vector;
ogs_assert(e_utran_vector);
mme_ue->xres_len = e_utran_vector->xres_len;
memcpy(mme_ue->xres, e_utran_vector->xres, mme_ue->xres_len);
memcpy(mme_ue->kasme, e_utran_vector->kasme, OGS_SHA256_DIGEST_SIZE);
memcpy(mme_ue->rand, e_utran_vector->rand, OGS_RAND_LEN);
memcpy(mme_ue->autn, e_utran_vector->autn, OGS_AUTN_LEN);
CLEAR_MME_UE_TIMER(mme_ue->t3460);
if (mme_ue->nas_eps.ksi == OGS_NAS_KSI_NO_KEY_IS_AVAILABLE)
mme_ue->nas_eps.ksi = 0;
ogs_assert(OGS_OK ==
nas_eps_send_authentication_request(mme_ue));
}
void mme_s6a_handle_ula(mme_ue_t *mme_ue,
ogs_diam_s6a_ula_message_t *ula_message)
{
ogs_subscription_data_t *subscription_data = NULL;
ogs_slice_data_t *slice_data = NULL;
int i;
ogs_assert(mme_ue);
ogs_assert(ula_message);
subscription_data = &ula_message->subscription_data;
ogs_assert(subscription_data);
ogs_assert(subscription_data->num_of_slice == 1);
slice_data = &subscription_data->slice[0];
memcpy(&mme_ue->ambr, &subscription_data->ambr, sizeof(ogs_bitrate_t));
mme_session_remove_all(mme_ue);
mme_ue->num_of_session = slice_data->num_of_session;
mme_ue->context_identifier = slice_data->context_identifier;
for (i = 0; i < slice_data->num_of_session; i++) {
mme_ue->session[i].name = ogs_strdup(slice_data->session[i].name);
ogs_assert(mme_ue->session[i].name);
mme_ue->session[i].context_identifier =
slice_data->session[i].context_identifier;
mme_ue->session[i].session_type = slice_data->session[i].session_type;
memcpy(&mme_ue->session[i].paa, &slice_data->session[i].paa,
sizeof(mme_ue->session[i].paa));
memcpy(&mme_ue->session[i].qos, &slice_data->session[i].qos,
sizeof(mme_ue->session[i].qos));
memcpy(&mme_ue->session[i].ambr, &slice_data->session[i].ambr,
sizeof(mme_ue->session[i].ambr));
memcpy(&mme_ue->session[i].smf_ip, &slice_data->session[i].smf_ip,
sizeof(mme_ue->session[i].smf_ip));
}
}