See: https://svn.nmap.org/nmap/scripts/asn-query.nse
where the applicable (?) script reads, noting especially "( "See the result
for %s" ):format( last_ip )":
------------------------------------------------------
... begin snip
---
-- Checks whether the target IP address is within any BGP prefixes for which
a query has
-- already been performed and returns a pointer to the HOST SCRIPT RESULT
displaying the applicable answers.
-- @param ip String representing the target IP address.
-- @return Boolean true if there are cached answers for the supplied
target, otherwise
-- false.
-- @return Table containing a string for each answer or nil if there are
none.
function check_cache( ip )
local ret = {}
-- collect any applicable answers
for _, cache_entry in ipairs( nmap.registry.asn.cache ) do
if ipOps.ip_in_range( ip, cache_entry.cache_bgp ) then
ret[#ret+1] = cache_entry
end
end
if #ret < 1 then return false, nil end
-- /0 signals that we want to kill this thread (all threads in fact)
if #ret == 1 and type( ret[1].cache_bgp ) == "string" and
ret[1].cache_bgp:match( "/0" ) then return true, nil end
-- should return pointer unless there are more than one unique pointer
local dirty, last_ip = false
for _, entry in ipairs( ret ) do
if last_ip and last_ip ~= entry.pointer then
dirty = true; break
end
last_ip = entry.pointer
end
if not dirty then
return true, ( "See the result for %s" ):format( last_ip )
else
return true, ret
end
return false, nil
end
... end snip
------------------------------------------------------
Where we should _print_ the result for %s instead of just pointing to it ...
George Langford
