def do_GET(req, res)
if req['Authorization'] =~ %r^NTLM (.*)/ then
authorization = $1.unpack('m*').first
if authorization =~ %r^NTLMSSP\0000\0001/ then
type_2 = 'TlRMTVNTUAACAAAADAAMADAAAAABAoEAASNFZ4mr' 'ze8AAAAAAAAAAGIAYgA8AAAARABPAE0AQQBJAE4A' 'AgAMAEQATwBNAEEASQBOAAEADABTAEUAUgBWAEUA' 'UgAEABQAZABvAG0AYQBpAG4ALgBjAG8AbQADACIA' 'cwBlAHIAdgBlAHIALgBkAG8AbQBhAGkAbgAuAGMA' 'bwBtAAAAAAA='
res['WWW-Authenticate'] = "NTLM #{type_2}"
res.status = 401
elsif authorization =~ %r^NTLMSSP\0000\0003/ then
res.body = 'ok'
else
res['WWW-Authenticate'] = 'NTLM'
res.status = 401
end
else
res['WWW-Authenticate'] = 'NTLM'
res.status = 401
end
end