From d1b34d407bbd53d1361e1b42fd39ba69bb091d79 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Mon, 17 Nov 2014 19:35:49 +0000
Subject: [PATCH] Don't try nameservers from a different AF than our spoofed
 source.

---
 nmap_dns.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nmap_dns.cc b/nmap_dns.cc
index c68979998..1a2e31ca4 100644
--- a/nmap_dns.cc
+++ b/nmap_dns.cc
@@ -840,7 +840,8 @@ static void add_dns_server(char *ipaddrs) {
 
   for (hostname = strtok(ipaddrs, " ,"); hostname != NULL; hostname = strtok(NULL, " ,")) {
 
-    if (resolve(hostname, 0, (struct sockaddr_storage *) &addr, &addr_len, PF_UNSPEC) != 0)
+    if (resolve(hostname, 0, (struct sockaddr_storage *) &addr, &addr_len,
+      o.spoofsource ? o.af() : PF_UNSPEC) != 0)
       continue;
 
     for(servI = servs.begin(); servI != servs.end(); servI++) {