Changeset 56957 in vbox for trunk/src/VBox/Devices

Timestamp:

Jul 16, 2015 4:43:20 PM (10 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

101667

Message:

NAT: undo byte order conversions on the saved IP header when relaying
back an ICMP error.

File:

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

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

@@ -1287 +1287 @@
         /* according RFC 793 error messages required copy of initial IP header + 64 bit */
         memcpy(&icp->icmp_ip, ip_copy, old_ip_len);
+
+        /* undo byte order conversions done in ip_input() */
+        HTONS(icp->icmp_ip.ip_len);
+        HTONS(icp->icmp_ip.ip_id);
+        HTONS(icp->icmp_ip.ip_off);
+
         ip->ip_tos = ((ip->ip_tos & 0x1E) | 0xC0);  /* high priority for errors */
     }