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Commit 88843104 authored Jan 12, 2009 by Patrick McHardy Committed by David S. Miller Jan 12, 2009

netfilter 01/09: remove "happy cracking" message



Don't spam logs for locally generated short packets. these can only
be generated by root.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 985ebdb5

net/ipv4/netfilter/iptable_filter.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -93,13 +93,8 @@ ipt_local_out_hook(unsigned int hook,
		{
		/* root is playing with raw sockets. */
		if (skb->len < sizeof(struct iphdr) \|\|
		ip_hdrlen(skb) < sizeof(struct iphdr)) {
		if (net_ratelimit())
		printk("iptable_filter: ignoring short SOCK_RAW "
		"packet.\n");
		ip_hdrlen(skb) < sizeof(struct iphdr))
		return NF_ACCEPT;
		}

		return ipt_do_table(skb, hook, in, out,
		dev_net(out)->ipv4.iptable_filter);
		}

net/ipv4/netfilter/iptable_mangle.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -132,12 +132,8 @@ ipt_local_hook(unsigned int hook,

		/* root is playing with raw sockets. */
		if (skb->len < sizeof(struct iphdr)
		\|\| ip_hdrlen(skb) < sizeof(struct iphdr)) {
		if (net_ratelimit())
		printk("iptable_mangle: ignoring short SOCK_RAW "
		"packet.\n");
		\|\| ip_hdrlen(skb) < sizeof(struct iphdr))
		return NF_ACCEPT;
		}

		/* Save things which could affect route */
		mark = skb->mark;

net/ipv4/netfilter/iptable_raw.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -65,12 +65,8 @@ ipt_local_hook(unsigned int hook,
		{
		/* root is playing with raw sockets. */
		if (skb->len < sizeof(struct iphdr) \|\|
		ip_hdrlen(skb) < sizeof(struct iphdr)) {
		if (net_ratelimit())
		printk("iptable_raw: ignoring short SOCK_RAW "
		"packet.\n");
		ip_hdrlen(skb) < sizeof(struct iphdr))
		return NF_ACCEPT;
		}
		return ipt_do_table(skb, hook, in, out,
		dev_net(out)->ipv4.iptable_raw);
		}

net/ipv4/netfilter/iptable_security.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -96,12 +96,8 @@ ipt_local_out_hook(unsigned int hook,
		{
		/* Somebody is playing with raw sockets. */
		if (skb->len < sizeof(struct iphdr)
		\|\| ip_hdrlen(skb) < sizeof(struct iphdr)) {
		if (net_ratelimit())
		printk(KERN_INFO "iptable_security: ignoring short "
		"SOCK_RAW packet.\n");
		\|\| ip_hdrlen(skb) < sizeof(struct iphdr))
		return NF_ACCEPT;
		}
		return ipt_do_table(skb, hook, in, out,
		dev_net(out)->ipv4.iptable_security);
		}

net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -145,11 +145,8 @@ static unsigned int ipv4_conntrack_local(unsigned int hooknum,
		{
		/* root is playing with raw sockets. */
		if (skb->len < sizeof(struct iphdr) \|\|
		ip_hdrlen(skb) < sizeof(struct iphdr)) {
		if (net_ratelimit())
		printk("ipt_hook: happy cracking.\n");
		ip_hdrlen(skb) < sizeof(struct iphdr))
		return NF_ACCEPT;
		}
		return nf_conntrack_in(dev_net(out), PF_INET, hooknum, skb);
		}