open5gs/src/amf/nausf-build.c

141 lines
4.3 KiB
C

/*
* 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 "nausf-build.h"
ogs_sbi_request_t *amf_nausf_auth_build_authenticate(
amf_ue_t *amf_ue, void *data)
{
ogs_sbi_message_t message;
ogs_sbi_request_t *request = NULL;
OpenAPI_authentication_info_t AuthenticationInfo;
OpenAPI_resynchronization_info_t ResynchronizationInfo;
uint8_t *auts = data;
char rand_string[OGS_KEYSTRLEN(OGS_RAND_LEN)];
char auts_string[OGS_KEYSTRLEN(OGS_AUTS_LEN)];
ogs_assert(amf_ue);
memset(&message, 0, sizeof(message));
message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
message.h.service.name = (char *)OGS_SBI_SERVICE_NAME_NAUSF_AUTH;
message.h.api.version = (char *)OGS_SBI_API_V1;
message.h.resource.component[0] =
(char *)OGS_SBI_RESOURCE_NAME_UE_AUTHENTICATIONS;
message.http.accept = (char *)(OGS_SBI_CONTENT_3GPPHAL_TYPE ","
OGS_SBI_CONTENT_PROBLEM_TYPE);
memset(&AuthenticationInfo, 0, sizeof(AuthenticationInfo));
ogs_assert(amf_ue->suci);
AuthenticationInfo.supi_or_suci = amf_ue->suci;
AuthenticationInfo.serving_network_name =
ogs_serving_network_name_from_plmn_id(&amf_ue->nr_tai.plmn_id);
if (!AuthenticationInfo.serving_network_name) {
ogs_error("No serving_network_name");
goto end;
}
if (auts) {
memset(&ResynchronizationInfo, 0, sizeof(ResynchronizationInfo));
ogs_hex_to_ascii(amf_ue->rand, OGS_RAND_LEN,
rand_string, sizeof(rand_string));
ogs_hex_to_ascii(auts, OGS_AUTS_LEN, auts_string, sizeof(auts_string));
ResynchronizationInfo.rand = rand_string;
ResynchronizationInfo.auts = auts_string;
AuthenticationInfo.resynchronization_info = &ResynchronizationInfo;
}
message.AuthenticationInfo = &AuthenticationInfo;
request = ogs_sbi_build_request(&message);
ogs_expect(request);
end:
if (AuthenticationInfo.serving_network_name)
ogs_free(AuthenticationInfo.serving_network_name);
return request;
}
ogs_sbi_request_t *amf_nausf_auth_build_authenticate_delete(
amf_ue_t *amf_ue, void *data)
{
ogs_sbi_message_t message;
ogs_sbi_request_t *request = NULL;
ogs_assert(amf_ue);
ogs_assert(amf_ue->confirmation_for_5g_aka.resource_uri);
memset(&message, 0, sizeof(message));
message.h.method = (char *)OGS_SBI_HTTP_METHOD_DELETE;
message.h.uri = amf_ue->confirmation_for_5g_aka.resource_uri;
request = ogs_sbi_build_request(&message);
ogs_expect(request);
return request;
}
ogs_sbi_request_t *amf_nausf_auth_build_authenticate_confirmation(
amf_ue_t *amf_ue, void *data)
{
ogs_sbi_message_t message;
ogs_sbi_request_t *request = NULL;
char xres_star_string[OGS_KEYSTRLEN(OGS_MAX_RES_LEN)];
OpenAPI_confirmation_data_t *ConfirmationData = NULL;
ogs_assert(amf_ue);
ogs_assert(amf_ue->confirmation_for_5g_aka.resource_uri);
memset(&message, 0, sizeof(message));
message.h.method = (char *)OGS_SBI_HTTP_METHOD_PUT;
message.h.uri = amf_ue->confirmation_for_5g_aka.resource_uri;
ConfirmationData = ogs_calloc(1, sizeof(*ConfirmationData));
if (!ConfirmationData) {
ogs_error("No ConfirmationData");
goto end;
}
ogs_hex_to_ascii(amf_ue->xres_star, sizeof(amf_ue->xres_star),
xres_star_string, sizeof(xres_star_string));
ConfirmationData->res_star = xres_star_string;
message.ConfirmationData = ConfirmationData;
request = ogs_sbi_build_request(&message);
ogs_expect(request);
end:
if (ConfirmationData)
ogs_free(ConfirmationData);
return request;
}