mirror of
https://code.semirocket.science/wrapsix
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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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/*
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* WrapSix
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* Copyright (C) 2008-2010 Michal Zima <xhire@mujmalysvet.cz>
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h> /* memcpy */
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#include "wrapper.h"
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#include "ipv6.h"
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int ipv6(struct s_ethernet *eth, char *packet)
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{
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struct s_ipv6 *ip;
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char *payload;
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/* load data into structures */
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ip = (struct s_ipv6*) packet;
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payload = packet + sizeof(struct s_ipv6);
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if (memcmp(&wrapsix_ipv6_prefix, &ip->ip_dest, 12) != 0 &&
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memcmp(&ndp_multicast_addr, &ip->ip_dest, 13) != 0) {
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printf("[Debug] This is unfamiliar packet\n");
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return 1;
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}
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return 0;
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}
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