slirp: fix pinging the virtual ipv4 DNS server

so that people do not think it is not working at least basically.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

diff --git a/slirp/ip_icmp.c b/slirp/ip_icmp.c
index 5ffc7a683d46792c17a99c0824d5c8d28317808e..0b667a429ad6109d678f5e2b43f16c1671af42a4 100644 (file)
--- a/slirp/ip_icmp.c
+++ b/slirp/ip_icmp.c
@@ -152,8 +152,9 @@ icmp_input(struct mbuf *m, int hlen)
   switch (icp->icmp_type) {
   case ICMP_ECHO:
     ip->ip_len += hlen;                     /* since ip_input subtracts this */
-    if (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr) {
-      icmp_reflect(m);
+    if (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr ||
+        ip->ip_dst.s_addr == slirp->vnameserver_addr.s_addr) {
+        icmp_reflect(m);
     } else if (slirp->restricted) {
         goto freeit;
     } else {