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nmap/scripts/db2-info.nse

92 lines
2.6 KiB
Lua

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