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92 lines
2.6 KiB
Lua
92 lines
2.6 KiB
Lua
description = [[
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Attempts to extract information from IBM DB2 Server instances. The script sends a
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DB2 EXCSAT (exchange server attributes) command packet and parses the response.
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]]
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---
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-- @output
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-- PORT STATE SERVICE
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-- 50000/tcp open ibm-db2
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-- | db2-info: DB2 Version: 8.02.9
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-- | Server Platform: QDB2/SUN
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-- | Instance Name: db2inst1
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-- |_ External Name: db2inst1db2agent00002B430
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author = "Patrik Karlsson"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"safe", "discovery", "version"}
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require "stdnse"
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require "shortport"
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require "db2"
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-- Version 0.1
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-- Created 05/08/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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--
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-- parseVersion was ripped from the old db2-info.nse written by Tom Sellers
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--
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portrule = shortport.version_port_or_service({50000,60000},
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"ibm-db2", "tcp",
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{"open", "open|filtered"})
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--- Converts the prodrel server string to a version string
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--
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-- @param server_version string containing the product release
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-- @return ver string containing the version information
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local function parseVersion( server_version )
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if string.sub(server_version,1,3) == "SQL" then
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local major_version = string.sub(server_version,4,5)
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-- strip the leading 0 from the major version, for consistency with
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-- nmap-service-probes results
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if string.sub(major_version,1,1) == "0" then
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major_version = string.sub(major_version,2)
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end
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local minor_version = string.sub(server_version,6,7)
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local hotfix = string.sub(server_version,8)
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server_version = major_version .. "." .. minor_version .. "." .. hotfix
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end
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return server_version
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end
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action = function( host, port )
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local db2helper = db2.Helper:new()
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local status, response
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status, response = db2helper:connect(host, port)
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if( not(status) ) then
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return response
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end
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status, response = db2helper:getServerInfo()
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if( not(status) ) then
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return response
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end
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db2helper:close()
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-- Set port information
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port.version.name = "ibm-db2"
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port.version.product = "IBM DB2 Database Server"
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port.version.name_confidence = 100
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nmap.set_port_state(host, port, "open")
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if response.srvclass ~= nil then port.version.extrainfo = response.srvclass end
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nmap.set_port_version(host, port, "hardmatched")
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-- Generate results
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local results = "DB2 Version: " .. parseVersion(response.prodrel) .. "\n"
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results = results .. "Server Platform: " .. response.srvclass .. "\n"
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results = results .. "Instance Name: " .. response.srvname .. "\n"
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results = results .. "External Name: " .. response.extname
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return results
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end
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