From 88843104a19d5896bf67ab6bd685e976240dd04a Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Mon, 12 Jan 2009 00:06:00 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- net/ipv4/netfilter/iptable_filter.c | 7 +------ net/ipv4/netfilter/iptable_mangle.c | 6 +----- net/ipv4/netfilter/iptable_raw.c | 6 +----- net/ipv4/netfilter/iptable_security.c | 6 +----- net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 5 +---- 5 files changed, 5 insertions(+), 25 deletions(-) diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c index c9224310ebae..52cb6939d093 100644 --- a/net/ipv4/netfilter/iptable_filter.c +++ b/net/ipv4/netfilter/iptable_filter.c @@ -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); } diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c index 69f2c4287146..3929d20b9e45 100644 --- a/net/ipv4/netfilter/iptable_mangle.c +++ b/net/ipv4/netfilter/iptable_mangle.c @@ -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; diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c index 8faebfe638f1..7f65d18333e3 100644 --- a/net/ipv4/netfilter/iptable_raw.c +++ b/net/ipv4/netfilter/iptable_raw.c @@ -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); } diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c index 36f3be3cc428..a52a35f4a584 100644 --- a/net/ipv4/netfilter/iptable_security.c +++ b/net/ipv4/netfilter/iptable_security.c @@ -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); } diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index b2141e11575e..4beb04fac588 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -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); } -- 2.20.1