Current Path : /usr/src/contrib/ipfilter/FreeBSD/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/contrib/ipfilter/FreeBSD/ip_output.c.diffs |
*** /sys/netinet/ip_output.c.orig Thu Oct 24 22:27:28 1996 --- /sys/netinet/ip_output.c Tue Feb 18 21:38:23 1997 *************** *** 65,70 **** --- 65,74 ---- 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_LKM) || 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 *************** *** 330,335 **** --- 334,351 ---- m->m_flags &= ~M_BCAST; sendit: + #if defined(IPFILTER) || defined(IPFILTER_LKM) + /* + * looks like most checking has been done now...do a filter check + */ + 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 /* * Check with the firewall... */