Changeset 40582 in vbox for trunk/src/VBox/Devices/Network/slirp

Timestamp:

Mar 23, 2012 4:18:12 AM (13 years ago)

Author:

vboxsync

Message:

NAT: ICMP in some cases NAT engine can't determinate where from datagram come from.
Don't bother with sending (ICMP error to such respondents)

File:

• trunk/src/VBox/Devices/Network/slirp/ip_icmp.c (modified) (1 diff)

trunk/src/VBox/Devices/Network/slirp/ip_icmp.c

@@ -632 +632 @@
     LogFunc(("msrc: %RTnaipv4 -> %RTnaipv4\n", ip->ip_src, ip->ip_dst));
 
+    /* if source IP datagram hasn't got src address don't bother with sending ICMP error */
+    if (ip->ip_src.s_addr == INADDR_ANY)
+        goto end_error;
+
     if (   ip->ip_off & IP_OFFMASK
         && type != ICMP_SOURCEQUENCH)