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New script fingerprint-strings

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dmiller
2016-12-03 06:08:11 +00:00
parent e61a606ae7
commit 29e7e27447
4 changed files with 139 additions and 0 deletions
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15
nselib/lpeg-utility.lua
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@@ -12,6 +12,7 @@ local stdnse = require "stdnse"
local pairs = pairs
local string = require "string"
local tonumber = tonumber
local rawset = rawset
_ENV = {}
@@ -142,12 +143,26 @@ do
}
--- Turn the service fingerprint reply to a probe into a binary blob
--@param fp the <code>port.version.service_fp</code> provided by the NSE API.
--@param probe the probe name to match, e.g. GetRequest, TLSSessionReq, etc.
--@return the raw probe response received to that probe, or nil if there was no response.
function get_response (fp, probe)
fp = string.gsub(fp, "\nSF:", "")
local i, e = string.find(fp, string.format("%s,%%x+,", probe))
if i == nil then return nil end
return unescape:match(getquote:match(fp, e+1))
end
local svfp_parser = lpeg.P ({
anywhere("%r(") * lpeg.Cf(lpeg.Ct("") * (lpeg.V "probematch" * lpeg.P(")%r(")^-1)^1, rawset),
probematch = lpeg.Cg(lpeg.C((lpeg.P(1) - ",")^1) * "," * (lpeg.R("09") + lpeg.R("AF"))^1 * "," * lpeg.Cs(getquote/function(q) return unescape:match(q) end)),
})
--- Get the service fingerprint reply to a probe into a binary blob
--@param fp the <code>port.version.service_fp</code> provided by the NSE API.
function parse_fp (fp)
fp = string.gsub(fp, "\nSF:", "")
return svfp_parser:match(fp)
end
end
return _ENV