Author: cy
Date: Thu Sep 5 18:45:23 2013
New Revision: 255260
URL: http://svnweb.freebsd.org/changeset/base/255260
Log:
Grab ip_fil_freebsd.c r1.42 from the ipfilter CVS tree to fix,
3529491 checksum validation could be better
3529486 tcp checksum wrong for ipv6
Approved by: glebius
Modified:
vendor/ipfilter/dist/ip_fil_freebsd.c
Changes in other areas also in this revision:
Modified:
vendor-sys/ipfilter/dist/netinet/ip_fil_freebsd.c
Modified: vendor/ipfilter/dist/ip_fil_freebsd.c
==============================================================================
--- vendor/ipfilter/dist/ip_fil_freebsd.c Thu Sep 5 18:18:23 2013
(r255259)
+++ vendor/ipfilter/dist/ip_fil_freebsd.c Thu Sep 5 18:45:23 2013
(r255260)
@@ -1244,9 +1244,7 @@ ipf_checkv4sum(fin)
else
sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr,
htonl(m->m_pkthdr.csum_data +
- fin->fin_ip->ip_len -
- (fin->fin_ip->ip_hl << 2) +
- fin->fin_p));
+ fin->fin_dlen + fin->fin_p));
sum ^= 0xffff;
if (sum != 0) {
fin->fin_cksum = FI_CK_BAD;
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