1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Copyright (c) 1995 John Hay.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)defs.h	8.1 (Berkeley) 6/5/93
36 *
37 * $FreeBSD$
38 */
39
40#include <sys/types.h>
41#include <sys/socket.h>
42
43#include <arpa/inet.h>
44#include <net/route.h>
45#include <netipx/ipx.h>
46#if defined(vax) || defined(pdp11)
47#define xnnet(x) ((u_long) (x)->rip_dst[1] << 16 | (u_long) (x)->rip_dst[0] )
48#else
49#define xnnet(x) ((u_long) (x)->rip_dst[0] << 16 | (u_long) (x)->rip_dst[1] )
50#endif
51
52#include <stdio.h>
53#include <string.h>
54#include <syslog.h>
55
56#include "protocol.h"
57#include "sap.h"
58#include "table.h"
59#include "trace.h"
60#include "interface.h"
61#include "af.h"
62
63
64/*
65 * When we find any interfaces marked down we rescan the
66 * kernel every CHECK_INTERVAL seconds to see if they've
67 * come up.
68 */
69#define	CHECK_INTERVAL	(5*60)
70
71#define equal(a1, a2) \
72	(bcmp((caddr_t)(a1), (caddr_t)(a2), sizeof (struct sockaddr)) == 0)
73#define	min(a,b)	((a)>(b)?(b):(a))
74#define	max(a,b)	((a)<(b)?(b):(a))
75
76extern int	ripsock;		/* Socket to listen on */
77extern int	sapsock;		/* Socket to listen on */
78extern int	kmem;
79extern int	supplier;		/* process should supply updates */
80extern int	dosap;			/* SAP is enabled */
81extern int	dognreply;		/* enable GET_NEAREST response */
82extern int	install;		/* if 1 call kernel */
83extern int	lookforinterfaces;	/* if 1 probe kernel for new up ifs */
84extern int	performnlist;		/* if 1 check if /kernel has changed */
85extern int	externalinterfaces;	/* # of remote and local interfaces */
86extern int	timeval;		/* local idea of time */
87extern int	noteremoterequests;	/* squawk on requests from non-local nets */
88extern int	r;			/* Routing socket to install updates with */
89extern int gateway;
90extern struct	sockaddr_ipx ipx_netmask;	/* Used in installing routes */
91
92extern char	packet[MAXRXPACKETSIZE+1];
93extern struct	rip *msg;
94
95extern char	**argv0;
96
97#define	ADD	1
98#define	DELETE	2
99#define CHANGE	3
100
101void	sndmsg(struct sockaddr *, int, struct interface *, int);
102void	supply(struct sockaddr *, int, struct interface *, int);
103void	addrouteforif(struct interface *);
104void	ifinit(void);
105void	toall(void (*f)(struct sockaddr *, int, struct interface *, int),
106	      struct rt_entry *, int);
107void	rip_input(struct sockaddr *, int);
108
109