system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-11-05 18:23:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NETFILTER]: Fix ip6t_LOG sit tunnel logging

Browse source 
Sit tunnel logging is currently broken:

MAC=01:23:45:67:89:ab->01:23:45:47:89:ac TUNNEL=123.123.  0.123-> 12.123.  6.123

Apart from the broken IP address, MAC addresses are printed differently
for sit tunnels than for everything else.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-06-21 14:07:13 -07:00 committed by David S. Miller
parent 2715bcf9ef
commit 047601bf7c
1 changed files with 19 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

54
net/ipv6/netfilter/ip6t_LOG.c
View file

@ -366,8 +366,6 @@ ip6t_log_packet(unsigned int hooknum,
const char *level_string,
const char *prefix)
{
struct ipv6hdr *ipv6h = skb->nh.ipv6h;
spin_lock_bh(&log_lock);
printk(level_string);
printk("%sIN=%s OUT=%s ",
@ -377,39 +375,25 @@ ip6t_log_packet(unsigned int hooknum,
if (in && !out) {
/* MAC logging for input chain only. */
printk("MAC=");
if (skb->dev && skb->dev->hard_header_len && skb->mac.raw != (void*)ipv6h) {
if (skb->dev->type != ARPHRD_SIT){
int i;
unsigned char *p = skb->mac.raw;
for (i = 0; i < skb->dev->hard_header_len; i++,p++)
printk("%02x%c", *p,
i==skb->dev->hard_header_len - 1
? ' ':':');
} else {
int i;
unsigned char *p = skb->mac.raw;
if ( p - (ETH_ALEN*2+2) > skb->head ){
p -= (ETH_ALEN+2);
for (i = 0; i < (ETH_ALEN); i++,p++)
printk("%02x%s", *p,
i == ETH_ALEN-1 ? "->" : ":");
p -= (ETH_ALEN*2);
for (i = 0; i < (ETH_ALEN); i++,p++)
printk("%02x%c", *p,
i == ETH_ALEN-1 ? ' ' : ':');
}
if ((skb->dev->addr_len == 4) &&
skb->dev->hard_header_len > 20){
printk("TUNNEL=");
p = skb->mac.raw + 12;
for (i = 0; i < 4; i++,p++)
printk("%3d%s", *p,
i == 3 ? "->" : ".");
for (i = 0; i < 4; i++,p++)
printk("%3d%c", *p,
i == 3 ? ' ' : '.');
}
if (skb->dev && skb->dev->hard_header_len &&
skb->mac.raw != skb->nh.raw) {
unsigned char *p = skb->mac.raw;
int i;
if (skb->dev->type == ARPHRD_SIT &&
(p -= ETH_HLEN) < skb->head)
p = NULL;
if (p != NULL)
for (i = 0; i < skb->dev->hard_header_len; i++)
printk("%02x", p[i]);
printk(" ");
if (skb->dev->type == ARPHRD_SIT) {
struct iphdr *iph = (struct iphdr *)skb->mac.raw;
printk("TUNNEL=%u.%u.%u.%u->%u.%u.%u.%u ",
NIPQUAD(iph->saddr),
NIPQUAD(iph->daddr));
}
} else
printk(" ");