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Fixed dns-zone-transfer support of WKS records (tested with Bind9)

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dmiller
2012-07-09 18:50:21 +00:00
parent 4ef2bb978a
commit f1a3c26b66
1 changed files with 10 additions and 5 deletions
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15
scripts/dns-zone-transfer.nse
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@@ -290,15 +290,20 @@ local RD = {
proto = string.byte(data, offset+4)
svcs = {}
local p = 0
local bits = {128, 64, 32, 16, 8, 4, 2, 1}
for i=1, len do
local n = string.byte(data, offset + i)
for j=0, 7 do
if bit.band(128, n) then table.insert(svcs, p) end
local n = string.byte(data, offset + i + 4)
for _, v in ipairs(bits) do
if bit.band(v, n) > 0 then table.insert(svcs, p) end
p = p + 1
n = bit.lshift(n, 1)
end
end
return offset + len, string.format("%s %d (%s)", ip, proto, table.concat(svcs, ","))
if proto == 6 then
proto = "TCP"
elseif proto == 17 then
proto = "UDP"
end
return offset + len, string.format("%s %s %s", ip, proto, table.concat(svcs, " "))
end,
PTR = parse_domain,
HINFO = function(data, offset)