|  | *** /sys/netinet/ip_output.c.orig	Fri Aug 28 13:49:46 1998 | 
|  | --- /sys/netinet/ip_output.c	Fri Aug 28 13:53:05 1998 | 
|  | *************** | 
|  | *** 99,104 **** | 
|  | --- 99,109 ---- | 
|  | static struct mbuf *ip_insertoptions __P((struct mbuf *, struct mbuf *, int *)); | 
|  | static void ip_mloopback | 
|  | __P((struct ifnet *, struct mbuf *, struct sockaddr_in *)); | 
|  | + #if defined(IPFILTER) | 
|  | + extern int fr_check __P((struct ip *, int, struct ifnet *, int, struct mbuf **)); | 
|  | + extern int (*fr_checkp) __P((struct ip *, int, struct ifnet *, int, struct mbuf **)); | 
|  | + #endif | 
|  | + | 
|  |  | 
|  | /* | 
|  | * IP output.  The packet in mbuf chain m contains a skeletal IP | 
|  | *************** | 
|  | *** 447,452 **** | 
|  | --- 452,467 ---- | 
|  |  | 
|  | if (mtu > IP_MAXPACKET) | 
|  | mtu = IP_MAXPACKET; | 
|  | + | 
|  | + #if defined(IPFILTER) | 
|  | + 	if (fr_checkp) { | 
|  | + 		struct mbuf *m1 = m; | 
|  | + | 
|  | + 		if ((error = (*fr_checkp)(ip, hlen, ifp, 1, &m1)) || !m1) | 
|  | + 			goto done; | 
|  | + 		ip = mtod(m = m1, struct ip *); | 
|  | + 	} | 
|  | + #endif | 
|  |  | 
|  | #ifdef	IPFW | 
|  | if (ipfw_output.filter && |