提交 88843104 编写于 作者: P Patrick McHardy 提交者: David S. Miller

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: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 985ebdb5
......@@ -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);
}
......
......@@ -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;
......
......@@ -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);
}
......
......@@ -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);
}
......
......@@ -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);
}
......
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