diff options
Diffstat (limited to 'contrib/ipfilter/ip_nat.c')
| -rw-r--r-- | contrib/ipfilter/ip_nat.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/contrib/ipfilter/ip_nat.c b/contrib/ipfilter/ip_nat.c index 9333259..bf11843 100644 --- a/contrib/ipfilter/ip_nat.c +++ b/contrib/ipfilter/ip_nat.c @@ -9,7 +9,7 @@ */ #if !defined(lint) static const char sccsid[] = "@(#)ip_nat.c 1.11 6/5/96 (C) 1995 Darren Reed"; -static const char rcsid[] = "@(#)$Id: ip_nat.c,v 2.2.2.11 1999/12/17 13:05:40 darrenr Exp $"; +static const char rcsid[] = "@(#)$Id: ip_nat.c,v 2.2.2.12 2000/01/24 12:43:40 darrenr Exp $"; #endif #if defined(__FreeBSD__) && defined(KERNEL) && !defined(_KERNEL) @@ -726,12 +726,22 @@ int direction; port = 0; in.s_addr = np->in_nip; if (l == 0) { + /* + * Check to see if there is an existing NAT + * setup for this IP address pair. + */ natl = nat_maplookup(fin->fin_ifp, flags, ip->ip_src, ip->ip_dst); if (natl != NULL) { in = natl->nat_outip; + if ((in.s_addr & np->in_outmsk) != + np->in_outip) + in.s_addr = 0; + else #ifndef sparc - in.s_addr = ntohl(in.s_addr); + in.s_addr = ntohl(in.s_addr); +#else + ; #endif } } @@ -1766,6 +1776,7 @@ u_int type; natl.nl_origport = nat->nat_oport; natl.nl_inport = nat->nat_inport; natl.nl_outport = nat->nat_outport; + natl.nl_p = nat->nat_p; natl.nl_type = type; natl.nl_rule = -1; #ifndef LARGE_NAT |
