Author: cy
Date: Sun Oct 5 03:58:30 2014
New Revision: 272555
URL: https://svnweb.freebsd.org/changeset/base/272555
Log:
ipfilter bug #537 NAT rules with sticky have incorrect hostmap IP address.
This fixes when an IP address mapping is put in the hostmap table for
sticky NAT rules, it ends up having the wrong byte order.
Obtained from: ipfilter CVS repo (r1.102), NetBSD CVS repo (r1.12)
Modified:
head/sys/contrib/ipfilter/netinet/ip_nat.c
Modified: head/sys/contrib/ipfilter/netinet/ip_nat.c
==============================================================================
--- head/sys/contrib/ipfilter/netinet/ip_nat.c Sun Oct 5 03:52:09 2014
(r272554)
+++ head/sys/contrib/ipfilter/netinet/ip_nat.c Sun Oct 5 03:58:30 2014
(r272555)
@@ -2946,10 +2946,11 @@ ipf_nat_newrdr(fin, nat, ni)
*/
if (np->in_flags & IPN_SPLIT) {
in.s_addr = np->in_dnip;
+ inb.s_addr = htonl(in.s_addr);
if ((np->in_flags & (IPN_ROUNDR|IPN_STICKY)) == IPN_STICKY) {
hm = ipf_nat_hostmap(softn, NULL, fin->fin_src,
- fin->fin_dst, in, (u_32_t)dport);
+ fin->fin_dst, inb, (u_32_t)dport);
if (hm != NULL) {
in.s_addr = hm->hm_ndstip.s_addr;
move = 0;
@@ -3050,13 +3051,14 @@ ipf_nat_newrdr(fin, nat, ni)
return -1;
}
+ inb.s_addr = htonl(in.s_addr);
nat->nat_ndstaddr = htonl(in.s_addr);
nat->nat_odstip = fin->fin_dst;
nat->nat_nsrcip = fin->fin_src;
nat->nat_osrcip = fin->fin_src;
if ((nat->nat_hm == NULL) && ((np->in_flags & IPN_STICKY) != 0))
nat->nat_hm = ipf_nat_hostmap(softn, np, fin->fin_src,
- fin->fin_dst, in, (u_32_t)dport);
+ fin->fin_dst, inb, (u_32_t)dport);
if (flags & IPN_TCPUDP) {
nat->nat_odport = dport;
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