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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ--- -- A tiny library allowing some basic information enumeration from -- Versant object database software (see -- http://en.wikipedia.org/wiki/Versant_Corporation). The code is -- entirely based on packet dumps captured when using the Versant -- Management Center administration application. -- -- @author Patrik Karlsson -- local stdnse = require "stdnse" local match = require "match" local nmap = require "nmap" local string = require "string" local table = require "table" _ENV = stdnse.module("versant", stdnse.seeall) Versant = { -- fallback to these constants when version and user are not given USER = "nmap", VERSION = "8.0.2", -- Creates an instance of the Versant class -- @param host table -- @param port table -- @return o new instance of Versant new = function(self, host, port) local o = { host = host, port = port, socket = nmap.new_socket() } setmetatable(o, self) self.__index = self return o end, -- Connects a socket to the Versant server -- @return status true on success, false on failure -- @return err string containing the error message if status is false connect = function(self) return self.socket:connect(self.host, self.port) end, -- Closes the socket -- @return status true on success, false on failure -- @return err string containing the error message if status is false close = function(self) return self.socket:close() end, -- Sends command to the server -- @param cmd string containing the command to run -- @param arg string containing any arguments -- @param user [optional] string containing the user name -- @param ver [optional] string containing the version number -- @return status true on success, false on failure -- @return data opaque string containing the response sendCommand = function(self, cmd, arg, user, ver) user = user or Versant.USER ver = ver or Versant.VERSION arg = arg or "" local data = stdnse.fromhex("000100000000000000020002000000010000000000000000000000000000000000010000") .. string.pack("zzz", cmd, user, ver ) -- align to even 4 bytes data = data .. string.rep("\0", 4 - ((#data % 4) or 0)) data = data .. stdnse.fromhex("0000000b000001000000000000000000") .. string.pack("zxxxxxxxxxxz", ("%s:%d"):format(self.host.ip, self.port.number), arg ) data = data .. string.rep("\0", 2048 - #data) local status, err = self.socket:send(data) if ( not(status) ) then return false, "Failed to send request to server" end local status, data = self.socket:receive_buf(match.numbytes(2048), true) if ( not(status) ) then return false, "Failed to read response from server" end return status, data end, -- Get database node information -- @return status true on success, false on failure -- @return result table containing an entry for each database. Each entry -- contains a table with the following fields: -- name - the database name -- owner - the database owner -- created - the date when the database was created -- version - the database version getNodeInfo = function(self) local status, data = self:sendCommand("o_getnodeinfo", "-nodeinfo") if ( not(status) ) then return false, data end status, data = self.socket:receive_buf(match.numbytes(4), true) if ( not(status) ) then return false, "Failed to read response from server" end local db_count = string.unpack(">I4", data) if ( db_count == 0 ) then return false, "Database count was zero" end status, data = self.socket:receive_buf(match.numbytes(4), true) if ( not(status) ) then return false, "Failed to read response from server" end local buf_size = string.unpack(">I4", data) local dbs = {} for i=1, db_count do status, data = self.socket:receive_buf(match.numbytes(buf_size), true) local db = {} db.name = string.unpack("z", data, 23) db.owner = string.unpack("z", data, 599) db.created= string.unpack("z", data, 631) db.version= string.unpack("z", data, 663) -- remove trailing line-feed db.created = db.created:match("^(.-)\n*$") table.insert(dbs, db) end return true, dbs end, -- Gets the database OBE port, this port is dynamically allocated once this -- command completes. -- -- @return status true on success, false on failure -- @return port table containing the OBE port getObePort = function(self) local status, data = self:sendCommand("o_oscp", "-utility") if ( not(status) ) then return false, data end status, data = self.socket:receive_buf(match.numbytes(256), true) if ( not(status) ) then return false, "Failed to read response from server" end local success, pos = string.unpack(">I4", data) if ( success ~= 0 ) then return false, "Response contained invalid data" end local port = { protocol = "tcp" } port.number, pos = string.unpack(">I2", data, pos) return true, port end, -- Gets the XML license file from the database -- @return status true on success, false on failure -- @return data string containing the XML license file getLicense = function(self) local status, data = self:sendCommand("o_licfile", "-license") if ( not(status) ) then return false, data end status, data = self.socket:receive_buf(match.numbytes(4), true) if ( not(status) ) then return false, "Failed to read response from server" end local len = string.unpack(">I4", data) if ( len == 0 ) then return false, "Failed to retrieve license file" end status, data = self.socket:receive_buf(match.numbytes(len), true) if ( not(status) ) then return false, "Failed to read response from server" end return true, data end, -- Gets the TCP port for a given database -- @param db string containing the database name -- @return status true on success, false on failure -- @return port table containing the database port getDbPort = function(self, db) local status, data = self:sendCommand(db, "") if ( not(status) ) then return false, data end if ( not(status) ) then return false, "Failed to connect to database" end local port = { protocol = "tcp" } port.number = string.unpack(">I4", data, 27) if ( port == 0 ) then return false, "Failed to determine database port" end return true, port end, } Versant.OBE = { -- Creates a new versant OBE instance -- @param host table -- @param port table -- @return o new instance of Versant OBE new = function(self, host, port) local o = { host = host, port = port, socket = nmap.new_socket() } setmetatable(o, self) self.__index = self return o end, -- Connects a socket to the Versant server -- @return status true on success, false on failure -- @return err string containing the error message if status is false connect = function(self) return self.socket:connect(self.host, self.port) end, -- Closes the socket -- @return status true on success, false on failure -- @return err string containing the error message if status is false close = function(self) return self.socket:close() end, -- Get database information including file paths and hostname -- @return status true on success false on failure -- @return result table containing the fields: -- root_path - the database root directory -- db_path - the database directory -- lib_path - the library directory -- hostname - the database host name getVODInfo = function(self) local data = stdnse.fromhex("1002005d00000000000100000000000d000000000000000000000000") --28 .. "-noprint -i " --12 .. string.rep("\0", 216) -- 256 - (28 + 12) self.socket:send(data) local status, data = self.socket:receive_buf(match.numbytes(256), true) if ( not(status) ) then return false, "Failed to read response from server" end local len = string.unpack(">I4", data, 13) status, data = self.socket:receive_buf(match.numbytes(len), true) if ( not(status) ) then return false, "Failed to read response from server" end local result = {} local offset = 13 result.version = string.unpack("z", data) for _, item in ipairs({"root_path", "db_path", "lib_path", "hostname"}) do result[item] = string.unpack("z", data, offset) offset = offset + 256 end return true, result end, } return _ENV;