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Copy pathipfrag.h
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70 lines (61 loc) · 2.26 KB
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/*
* Copyright (c) 2002, 2003 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _IPFRAG_H_
#define _IPFRAG_H_
struct fragent {
TAILQ_ENTRY(fragent) next;
u_short off;
u_short len;
u_short size;
u_char *data;
};
struct fragment {
SPLAY_ENTRY(fragment) node;
TAILQ_ENTRY(fragment) next;
TAILQ_HEAD(fragq, fragent) fraglist;
struct event *timeout;
enum fragpolicy fragp;
ip_addr_t ip_src; /* Network order */
ip_addr_t ip_dst; /* Network order */
u_short ip_id; /* Network order */
u_char ip_proto;
u_short maxlen;
u_short hadlastpacket;
};
#define IPFRAG_TIMEOUT 30
#define IPFRAG_MAX_MEM (25*1024*1024)
#define IPFRAG_MAX_FRAGS (10000)
void ip_fragment_init(void);
int ip_fragment(struct template *, struct ip_hdr *, u_short,
struct ip_hdr **, u_short *);
void ip_send_fragments(u_int, struct ip_hdr *, u_int, struct spoof);
#endif