From ebf083cb0bfc239a000aea7764cdca42f016affe Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Tue, 27 Nov 2018 04:43:16 +0000
Subject: [PATCH] Fix a crash in http scripts when following redirects

---
 nselib/http.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nselib/http.lua b/nselib/http.lua
index 4b602dc61..8933ee56c 100644
--- a/nselib/http.lua
+++ b/nselib/http.lua
@@ -161,7 +161,12 @@ local function get_host_field(host, port, scheme)
   if host_header then return host_header end
   -- If there's no host, we can't invent a name.
   if not host then return nil end
-  local number = (type(port) == "number") and port or port.number
+  local number
+  if type(port) == "number" then
+    number = port
+    port = {number=number, protocol="tcp"}
+  end
+  stdnse.debug1("get_host_field: host=%s, port=%s, number=%s", host, port, number)
   if scheme then
     -- Caller provided scheme. If it's default, return just the hostname.
     if number == get_default_port(scheme) then