forked from acouzens/open5gs
68 lines
1.9 KiB
C
68 lines
1.9 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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#define _DEFAULT_SOURCE 1
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#define _BSD_SOURCE 1
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#include "rule-match.h"
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#if HAVE_NETINET_IP_H
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#include <netinet/ip.h>
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#endif
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#if HAVE_NETINET_IP6_H
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#include <netinet/ip6.h>
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#endif
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upf_sess_t *upf_sess_find_by_ue_ip_address(ogs_pkbuf_t *pkbuf)
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{
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upf_sess_t *sess = NULL;
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char buf[OGS_ADDRSTRLEN];
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struct ip *ip_h = NULL;
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struct ip6_hdr *ip6_h = NULL;
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ogs_assert(pkbuf);
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ogs_assert(pkbuf->len);
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ogs_assert(pkbuf->data);
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ip_h = (struct ip *)pkbuf->data;
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if (ip_h->ip_v == 4) {
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ip_h = (struct ip *)pkbuf->data;
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sess = upf_sess_find_by_ipv4(ip_h->ip_dst.s_addr);
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} else if (ip_h->ip_v == 6) {
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ip6_h = (struct ip6_hdr *)pkbuf->data;
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sess = upf_sess_find_by_ipv6((uint32_t *)ip6_h->ip6_dst.s6_addr);
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} else {
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ogs_error("Invalid packet [IP version:%d, Packet Length:%d]",
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ip_h->ip_v, pkbuf->len);
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ogs_log_hexdump(OGS_LOG_ERROR, pkbuf->data, pkbuf->len);
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}
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if (sess) {
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if (ip_h && sess->ipv4)
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ogs_trace("PAA IPv4:%s", OGS_INET_NTOP(&sess->ipv4->addr, buf));
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if (ip6_h && sess->ipv6)
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ogs_trace("PAA IPv6:%s", OGS_INET6_NTOP(&sess->ipv6->addr, buf));
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}
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return sess;
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}
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