145 lines
3.9 KiB
C
145 lines
3.9 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 "ogs-core.h"
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#undef OGS_LOG_DOMAIN
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#define OGS_LOG_DOMAIN __ogs_sock_domain
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ogs_sock_t *ogs_udp_server(
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ogs_sockaddr_t *sa_list, ogs_sockopt_t *socket_option)
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{
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char buf[OGS_ADDRSTRLEN];
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ogs_sock_t *new = NULL;
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ogs_sockaddr_t *addr;
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ogs_sockopt_t option;
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ogs_assert(sa_list);
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ogs_sockopt_init(&option);
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if (socket_option)
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memcpy(&option, socket_option, sizeof option);
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addr = sa_list;
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while (addr) {
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new = ogs_sock_socket(addr->ogs_sa_family, SOCK_DGRAM, IPPROTO_UDP);
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if (!new) {
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addr = addr->next;
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continue;
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}
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if (ogs_sock_bind(new, addr) != OGS_OK) {
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ogs_sock_destroy(new);
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addr = addr->next;
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continue;
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}
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ogs_debug("udp_server() [%s]:%d", OGS_ADDR(addr, buf), OGS_PORT(addr));
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if (option.so_bindtodevice) {
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if (ogs_bind_to_device(new->fd, option.so_bindtodevice) != OGS_OK) {
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ogs_sock_destroy(new);
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addr = addr->next;
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continue;
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}
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ogs_info("udp_server() [%s]:%d bound to device `%s`",
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OGS_ADDR(addr, buf), OGS_PORT(addr),
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option.so_bindtodevice);
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}
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break;
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}
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if (addr == NULL) {
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ogs_log_message(OGS_LOG_ERROR, ogs_socket_errno,
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"udp_server() [%s]:%d failed",
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OGS_ADDR(sa_list, buf), OGS_PORT(sa_list));
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return NULL;
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}
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return new;
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}
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ogs_sock_t *ogs_udp_client(
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ogs_sockaddr_t *sa_list, ogs_sockopt_t *socket_option)
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{
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char buf[OGS_ADDRSTRLEN];
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ogs_sock_t *new = NULL;
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ogs_sockaddr_t *addr;
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ogs_sockopt_t option;
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ogs_assert(sa_list);
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ogs_sockopt_init(&option);
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if (socket_option)
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memcpy(&option, socket_option, sizeof option);
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addr = sa_list;
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while (addr) {
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new = ogs_sock_socket(addr->ogs_sa_family, SOCK_DGRAM, IPPROTO_UDP);
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if (new) {
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if (ogs_sock_connect(new, addr) == OGS_OK) {
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ogs_debug("udp_client() [%s]:%d",
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OGS_ADDR(addr, buf), OGS_PORT(addr));
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break;
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}
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ogs_sock_destroy(new);
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}
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addr = addr->next;
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}
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if (addr == NULL) {
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ogs_log_message(OGS_LOG_ERROR, ogs_socket_errno,
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"udp_client() [%s]:%d failed",
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OGS_ADDR(sa_list, buf), OGS_PORT(sa_list));
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return NULL;;
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}
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return new;
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}
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int ogs_udp_connect(ogs_sock_t *sock, ogs_sockaddr_t *sa_list)
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{
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ogs_sockaddr_t *addr;
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char buf[OGS_ADDRSTRLEN];
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ogs_assert(sock);
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ogs_assert(sa_list);
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addr = sa_list;
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while (addr) {
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if (ogs_sock_connect(sock, addr) == OGS_OK) {
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ogs_debug("udp_connect() [%s]:%d",
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OGS_ADDR(addr, buf), OGS_PORT(addr));
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break;
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}
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addr = addr->next;
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}
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if (addr == NULL) {
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ogs_log_message(OGS_LOG_ERROR, ogs_socket_errno,
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"udp_connect() [%s]:%d failed",
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OGS_ADDR(sa_list, buf), OGS_PORT(sa_list));
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return OGS_ERROR;
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}
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return OGS_OK;
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}
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