date: 2005/02/08 20:11:39; author: mlhuang; state: Exp; lines: +17 -0
- PL4184 fix: Suppress kernel ICMP echo replies if the echo ID is bound
to a (presumably raw) socket
}
}
+ /* VNET: Bypass stack if the echo ID was bound to a (presumably raw) socket */
+ if (skb->sk) {
+ switch (icmph->type) {
+ case ICMP_ECHOREPLY:
+ case ICMP_ECHO:
+ case ICMP_TIMESTAMP:
+ case ICMP_TIMESTAMPREPLY:
+ case ICMP_INFO_REQUEST:
+ case ICMP_INFO_REPLY:
+ case ICMP_ADDRESS:
+ case ICMP_ADDRESSREPLY:
+ goto drop;
+ }
+ }
+
ICMP_INC_STATS_BH(icmp_pointers[icmph->type].input_entry);
icmp_pointers[icmph->type].handler(skb);