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* [PATCH net-2.6] netfilter: ebt_ip6: Use ipv6_masked_addr_cmp().
@ 2010-03-07  8:39 YOSHIFUJI Hideaki
  2010-03-07 23:27 ` David Miller
  2010-03-08  8:25 ` Bart De Schuymer
  0 siblings, 2 replies; 4+ messages in thread
From: YOSHIFUJI Hideaki @ 2010-03-07  8:39 UTC (permalink / raw)
  To: bart.de.schuymer, kaber, davem
  Cc: ebtables-devel, netfilter-devel, netdev, yoshfuji

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
 net/bridge/netfilter/ebt_ip6.c |   18 ++++--------------
 1 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c
index bbf2534..4644cc9 100644
--- a/net/bridge/netfilter/ebt_ip6.c
+++ b/net/bridge/netfilter/ebt_ip6.c
@@ -35,8 +35,6 @@ ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 	struct ipv6hdr _ip6h;
 	const struct tcpudphdr *pptr;
 	struct tcpudphdr _ports;
-	struct in6_addr tmp_addr;
-	int i;
 
 	ih6 = skb_header_pointer(skb, 0, sizeof(_ip6h), &_ip6h);
 	if (ih6 == NULL)
@@ -44,18 +42,10 @@ ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 	if (info->bitmask & EBT_IP6_TCLASS &&
 	   FWINV(info->tclass != ipv6_get_dsfield(ih6), EBT_IP6_TCLASS))
 		return false;
-	for (i = 0; i < 4; i++)
-		tmp_addr.in6_u.u6_addr32[i] = ih6->saddr.in6_u.u6_addr32[i] &
-			info->smsk.in6_u.u6_addr32[i];
-	if (info->bitmask & EBT_IP6_SOURCE &&
-		FWINV((ipv6_addr_cmp(&tmp_addr, &info->saddr) != 0),
-			EBT_IP6_SOURCE))
-		return false;
-	for (i = 0; i < 4; i++)
-		tmp_addr.in6_u.u6_addr32[i] = ih6->daddr.in6_u.u6_addr32[i] &
-			info->dmsk.in6_u.u6_addr32[i];
-	if (info->bitmask & EBT_IP6_DEST &&
-	   FWINV((ipv6_addr_cmp(&tmp_addr, &info->daddr) != 0), EBT_IP6_DEST))
+	if (FWINV(ipv6_masked_addr_cmp(&ih6->saddr, &info->smsk,
+				       &info->saddr), EBT_IP6_SOURCE) ||
+	    FWINV(ipv6_masked_addr_cmp(&ih6->daddr, &info->dmsk,
+				       &info->daddr), EBT_IP6_DEST))
 		return false;
 	if (info->bitmask & EBT_IP6_PROTO) {
 		uint8_t nexthdr = ih6->nexthdr;
-- 
1.5.6.5


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2010-03-08 12:16 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-03-07  8:39 [PATCH net-2.6] netfilter: ebt_ip6: Use ipv6_masked_addr_cmp() YOSHIFUJI Hideaki
2010-03-07 23:27 ` David Miller
2010-03-08  8:25 ` Bart De Schuymer
2010-03-08 12:16   ` Patrick McHardy

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