Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
data	[ DIR ]	drwxr-xr-x	2024-08-29 14:21
afp.lua	71.48 KB	-rw-r--r--	2023-01-13 02:40
ajp.lua	16.77 KB	-rw-r--r--	2023-01-13 02:40
amqp.lua	10.41 KB	-rw-r--r--	2023-01-13 02:40
anyconnect.lua	4.31 KB	-rw-r--r--	2023-01-13 02:40
asn1.lua	14.57 KB	-rw-r--r--	2023-01-13 02:40
base32.lua	7.36 KB	-rw-r--r--	2023-01-13 02:40
base64.lua	5.83 KB	-rw-r--r--	2023-01-13 02:40
bin.lua	12.99 KB	-rw-r--r--	2023-01-13 02:40
bitcoin.lua	18.25 KB	-rw-r--r--	2023-01-13 02:40
bits.lua	2.54 KB	-rw-r--r--	2023-01-13 02:40
bittorrent.lua	35.76 KB	-rw-r--r--	2023-01-13 02:40
bjnp.lua	9.55 KB	-rw-r--r--	2023-01-13 02:40
brute.lua	50.64 KB	-rw-r--r--	2023-01-13 02:40
cassandra.lua	5.48 KB	-rw-r--r--	2023-01-13 02:40
citrixxml.lua	16 KB	-rw-r--r--	2023-01-13 02:40
coap.lua	75.1 KB	-rw-r--r--	2023-01-13 02:40
comm.lua	11.03 KB	-rw-r--r--	2023-01-13 02:40
creds.lua	18.26 KB	-rw-r--r--	2023-01-13 02:40
cvs.lua	3.05 KB	-rw-r--r--	2023-01-13 02:40
datafiles.lua	11.05 KB	-rw-r--r--	2023-01-13 02:40
datetime.lua	7.5 KB	-rw-r--r--	2023-01-13 02:40
dhcp.lua	28.57 KB	-rw-r--r--	2023-01-13 02:40
dhcp6.lua	19.86 KB	-rw-r--r--	2023-01-13 02:40
dns.lua	51.07 KB	-rw-r--r--	2023-01-13 02:40
dnsbl.lua	19.01 KB	-rw-r--r--	2023-01-13 02:40
dnssd.lua	12.61 KB	-rw-r--r--	2023-01-13 02:40
drda.lua	24.08 KB	-rw-r--r--	2023-01-13 02:40
eap.lua	7.54 KB	-rw-r--r--	2023-01-13 02:40
eigrp.lua	12.98 KB	-rw-r--r--	2023-01-13 02:40
formulas.lua	5.68 KB	-rw-r--r--	2023-01-13 02:40
ftp.lua	9.03 KB	-rw-r--r--	2023-01-13 02:40
geoip.lua	1.71 KB	-rw-r--r--	2023-01-13 02:40
giop.lua	18.42 KB	-rw-r--r--	2023-01-13 02:40
gps.lua	3.38 KB	-rw-r--r--	2023-01-13 02:40
http.lua	117.07 KB	-rw-r--r--	2023-01-13 02:40
httpspider.lua	36.65 KB	-rw-r--r--	2023-01-13 02:40
iax2.lua	9.58 KB	-rw-r--r--	2023-01-13 02:40
idna.lua	17.14 KB	-rw-r--r--	2023-01-13 02:40
ike.lua	14.63 KB	-rw-r--r--	2023-01-13 02:40
imap.lua	9.59 KB	-rw-r--r--	2023-01-13 02:40
informix.lua	39.93 KB	-rw-r--r--	2023-01-13 02:40
ipOps.lua	29.06 KB	-rw-r--r--	2023-01-13 02:40
ipmi.lua	8.08 KB	-rw-r--r--	2023-01-13 02:40
ipp.lua	12.57 KB	-rw-r--r--	2023-01-13 02:40
irc.lua	757 B	-rw-r--r--	2023-01-13 02:40
iscsi.lua	21.38 KB	-rw-r--r--	2023-01-13 02:40
isns.lua	14.98 KB	-rw-r--r--	2023-01-13 02:40
jdwp.lua	43.52 KB	-rw-r--r--	2023-01-13 02:40
json.lua	11.62 KB	-rw-r--r--	2023-01-13 02:40
knx.lua	2.42 KB	-rw-r--r--	2023-01-13 02:40
ldap.lua	31.94 KB	-rw-r--r--	2023-01-13 02:40
lfs.luadoc	1.68 KB	-rw-r--r--	2023-01-13 02:40
libssh2-utility.lua	4.69 KB	-rw-r--r--	2023-01-13 02:40
libssh2.luadoc	4.75 KB	-rw-r--r--	2023-01-13 02:40
listop.lua	4.66 KB	-rw-r--r--	2023-01-13 02:40
lpeg-utility.lua	5.64 KB	-rw-r--r--	2023-01-13 02:40
lpeg.luadoc	351 B	-rw-r--r--	2023-01-13 02:40
ls.lua	10.96 KB	-rw-r--r--	2023-01-13 02:40
match.lua	2.05 KB	-rw-r--r--	2023-01-13 02:40
membase.lua	9.93 KB	-rw-r--r--	2023-01-13 02:40
mobileme.lua	8.46 KB	-rw-r--r--	2023-01-13 02:40
mongodb.lua	21.3 KB	-rw-r--r--	2023-01-13 02:40
mqtt.lua	28.86 KB	-rw-r--r--	2023-01-13 02:40
msrpc.lua	190.07 KB	-rw-r--r--	2023-01-13 02:40
msrpcperformance.lua	29.65 KB	-rw-r--r--	2023-01-13 02:40
msrpctypes.lua	168.52 KB	-rw-r--r--	2023-01-13 02:40
mssql.lua	109.43 KB	-rw-r--r--	2023-01-13 02:40
multicast.lua	5.97 KB	-rw-r--r--	2023-01-13 02:40
mysql.lua	16.03 KB	-rw-r--r--	2023-01-13 02:40
natpmp.lua	5.11 KB	-rw-r--r--	2023-01-13 02:40
nbd.lua	16.04 KB	-rw-r--r--	2023-01-13 02:40
ncp.lua	35.64 KB	-rw-r--r--	2023-01-13 02:40
ndmp.lua	11.43 KB	-rw-r--r--	2023-01-13 02:40
netbios.lua	14.44 KB	-rw-r--r--	2023-01-13 02:40
nmap.luadoc	40.34 KB	-rw-r--r--	2023-01-13 02:40
nrpc.lua	4.46 KB	-rw-r--r--	2023-01-13 02:40
nsedebug.lua	3.49 KB	-rw-r--r--	2023-01-13 02:40
omp2.lua	4.78 KB	-rw-r--r--	2023-01-13 02:40
oops.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
openssl.luadoc	7.5 KB	-rw-r--r--	2023-01-13 02:40
ospf.lua	15.29 KB	-rw-r--r--	2023-01-13 02:40
packet.lua	36.18 KB	-rw-r--r--	2023-01-13 02:40
pcre.luadoc	6.79 KB	-rw-r--r--	2023-01-13 02:40
pgsql.lua	20.6 KB	-rw-r--r--	2023-01-13 02:40
pop3.lua	5.74 KB	-rw-r--r--	2023-01-13 02:40
pppoe.lua	29.42 KB	-rw-r--r--	2023-01-13 02:40
proxy.lua	11.37 KB	-rw-r--r--	2023-01-13 02:40
punycode.lua	11.5 KB	-rw-r--r--	2023-01-13 02:40
rand.lua	2.7 KB	-rw-r--r--	2023-01-13 02:40
rdp.lua	14.73 KB	-rw-r--r--	2023-01-13 02:40
re.lua	8.22 KB	-rw-r--r--	2023-01-13 02:40
redis.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
rmi.lua	47.77 KB	-rw-r--r--	2023-01-13 02:40
rpc.lua	107.64 KB	-rw-r--r--	2023-01-13 02:40
rpcap.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
rsync.lua	5.22 KB	-rw-r--r--	2023-01-13 02:40
rtsp.lua	8.62 KB	-rw-r--r--	2023-01-13 02:40
sasl.lua	16.51 KB	-rw-r--r--	2023-01-13 02:40
shortport.lua	11.99 KB	-rw-r--r--	2023-01-13 02:40
sip.lua	30.07 KB	-rw-r--r--	2023-01-13 02:40
slaxml.lua	17.9 KB	-rw-r--r--	2023-01-13 02:40
smb.lua	173.22 KB	-rw-r--r--	2023-01-13 02:40
smb2.lua	15.34 KB	-rw-r--r--	2023-01-13 02:40
smbauth.lua	37.33 KB	-rw-r--r--	2023-01-13 02:40
smtp.lua	19.85 KB	-rw-r--r--	2023-01-13 02:40
snmp.lua	16 KB	-rw-r--r--	2023-01-13 02:40
socks.lua	8.25 KB	-rw-r--r--	2023-01-13 02:40
srvloc.lua	10.99 KB	-rw-r--r--	2023-01-13 02:40
ssh1.lua	9.15 KB	-rw-r--r--	2023-01-13 02:40
ssh2.lua	11.73 KB	-rw-r--r--	2023-01-13 02:40
sslcert.lua	33.35 KB	-rw-r--r--	2023-01-13 02:40
sslv2.lua	9.68 KB	-rw-r--r--	2023-01-13 02:40
stdnse.lua	32.64 KB	-rw-r--r--	2023-01-13 02:40
strbuf.lua	4.52 KB	-rw-r--r--	2023-01-13 02:40
strict.lua	2.53 KB	-rw-r--r--	2023-01-13 02:40
stringaux.lua	4.32 KB	-rw-r--r--	2023-01-13 02:40
stun.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
tab.lua	3.35 KB	-rw-r--r--	2023-01-13 02:40
tableaux.lua	2.06 KB	-rw-r--r--	2023-01-13 02:40
target.lua	3.93 KB	-rw-r--r--	2023-01-13 02:40
tftp.lua	9.41 KB	-rw-r--r--	2023-01-13 02:40
tls.lua	58.05 KB	-rw-r--r--	2023-01-13 02:40
tn3270.lua	46.99 KB	-rw-r--r--	2023-01-13 02:40
tns.lua	64.16 KB	-rw-r--r--	2023-01-13 02:40
unicode.lua	14.23 KB	-rw-r--r--	2023-01-13 02:40
unittest.lua	12.41 KB	-rw-r--r--	2023-01-13 02:40
unpwdb.lua	10.42 KB	-rw-r--r--	2023-01-13 02:40
upnp.lua	11.18 KB	-rw-r--r--	2023-01-13 02:40
url.lua	16.7 KB	-rw-r--r--	2023-01-13 02:40
versant.lua	8.58 KB	-rw-r--r--	2023-01-13 02:40
vnc.lua	25.54 KB	-rw-r--r--	2023-01-13 02:40
vulns.lua	76.45 KB	-rw-r--r--	2023-01-13 02:40
vuzedht.lua	16.21 KB	-rw-r--r--	2023-01-13 02:40
wsdd.lua	11.98 KB	-rw-r--r--	2023-01-13 02:40
xdmcp.lua	12.09 KB	-rw-r--r--	2023-01-13 02:40
xmpp.lua	15.91 KB	-rw-r--r--	2023-01-13 02:40
zlib.luadoc	4.88 KB	-rw-r--r--	2023-01-13 02:40

Rename

---
-- A smallish SOCKS version 5 proxy protocol implementation
--
-- @author Patrik Karlsson <patrik@cqure.net>
--

local match = require "match"
local nmap = require "nmap"
local stdnse = require "stdnse"
local string = require "string"
local table = require "table"
_ENV = stdnse.module("socks", stdnse.seeall)

-- SOCKS Authentication methods
AuthMethod = {
  NONE = 0,
  GSSAPI = 1,
  USERPASS = 2,
}

Request = {

-- Class that handles the connection request to the server
  Connect = {

-- Creates a new instance of the class
    -- @param auth_method table of requested authentication methods
    -- @return o instance on success, nil on failure
    new = function(self, auth_method)
      local o = {
        version = 5,
        auth_method = ( "table" ~= type(auth_method) and { auth_method } or auth_method )
      }
      setmetatable(o, self)
      self.__index = self
      return o
    end,

-- Converts the instance to string, so that it can be sent to the
    -- server.
    -- @return string containing the raw request
    __tostring = function(self)
      return string.pack("Bs1", self.version,
        string.pack(("B"):rep(#self.auth_method), table.unpack(self.auth_method)))
    end,

-- Class that handles the authentication request to the server
  Authenticate = {

-- Creates a new instance of the class
    -- @param auth_method number with the requested authentication method
    -- @param creds method specific table of credentials
    --        currently only user and pass authentication is supported
    --        this method requires two fields to be present
    --        <code>username</code> and <code>password</code>
    -- @return o instance on success, nil on failure
    new = function(self, auth_method, creds)
      local o = {
        auth_method = auth_method,
        creds = creds
      }
      setmetatable(o, self)
      self.__index = self
      if ( auth_method == 2 ) then
        return o
      end
    end,

-- Converts the instance to string, so that it can be sent to the
    -- server.
    -- @return string containing the raw request
    __tostring = function(self)
      -- we really don't support anything but 2, but let's pretend that
      -- we actually do
      if ( 2 == self.auth_method ) then
        local version = 1
        local username= self.creds.username or ""
        local password= self.creds.password or ""

username = (username == "") and "\0" or username
        password = (password == "") and "\0" or password

return string.pack("Bs1s1", version, username, password)
      end
    end,

}

Response = {

-- Class that handles the connection response
  Connect = {

-- Creates a new instance of the class
    -- @param data string containing the data as received over the socket
    -- @return o instance on success, nil on failure
    new = function(self, data)
      local o = { data = data }
      setmetatable(o, self)
      self.__index = self
      if ( o:parse() ) then
        return o
      end
    end,

-- Parses the received data and populates member variables
    -- @return true on success, false on failure
    parse = function(self)
      if ( #self.data ~= 2 ) then
        return
      end
      local pos
      self.version, self.method, pos = string.unpack("BB", self.data)
      return true
    end

-- Class that handles the authentication response
  Authenticate = {

Status = {
      SUCCESS = 0,
      -- could be anything but zero
      FAIL    = 1,
    },

-- Parses the received data and populates member variables
    -- @return true on success, false on failure
    parse = function(self)
      if ( #self.data ~= 2 ) then
        return
      end
      local pos
      self.version, self.status, pos = string.unpack("BB", self.data)
      return true
    end,

-- checks if the authentication was successful or not
    -- @return true on success, false on failure
    isSuccess = function(self)
      return ( self.status == self.Status.SUCCESS )
    end,

}

-- The main script interface
Helper = {

-- Create a new instance of the class
  -- @param host table containing the host table
  -- @param port table containing the port table
  -- @param options table containing library options, currently:
  --        <code>timeout</code> - socket timeout in ms
  -- @return o instance of Helper
  new = function(self, host, port, options)
    options = options or {}
    local o = { host = host, port = port, options = options }
    setmetatable(o, self)
    self.__index = self
    return o
  end,

-- Get the authentication method name by number
  -- @param method number containing the authentication method
  -- @return string containing the method name or Unknown
  authNameByNumber = function(self, method)
    local methods = {
      [0]  = "No authentication",
      [1]  = "GSSAPI",
      [2]  = "Username and password",
    }
    return methods[method] or ("Unknown method (%d)"):format(method)
  end,

-- Connects to the SOCKS server
  -- @param auth_method table containing the auth. methods to request
  -- @return status true on success, false on failure
  -- @return response table containing the response or err string on failure
  connect = function(self, auth_method, socket)
    self.socket = socket or nmap.new_socket()
    self.socket:set_timeout(self.options.timeout or 10000)
    local status, err = self.socket:connect(self.host, self.port)
    if ( not(status) ) then
      return status, err
    end

auth_method = auth_method or {AuthMethod.NONE, AuthMethod.GSSAPI, AuthMethod.USERPASS}
    status = self.socket:send( tostring(Request.Connect:new(auth_method)) )
    if ( not(status) ) then
      self.socket:close()
      return false, "Failed to send connection request to server"
    end

local status, data = self.socket:receive_buf(match.numbytes(2), true)
    if ( not(status) ) then
      self.socket:close()
      return false, "Failed to receive connection response from server"
    end

local response = Response.Connect:new(data)
    if ( not(response) ) then
      return false, "Failed to parse response from server"
    end

if ( response.version ~= 5 ) then
      return false, ("Unsupported SOCKS version (%d)"):format(response.version)
    end
    if ( response.method == 0xFF ) then
      return false, "No acceptable authentication methods"
    end

-- store the method so authenticate knows what to use
    self.auth_method = response.method
    return true, response
  end,

-- Authenticates to the SOCKS server
  -- @param creds table containing authentication method specific fields
  --        currently only authentication method 2 (username and pass) is
  --        implemented. That method requires the following fields:
  --        <code>username</code> - containing the username
  --        <code>password</code> - containing the password
  -- @return status true on success, false on failure
  -- @return err string containing the error message
  authenticate = function(self, creds)
    if ( self.auth_method ~= 2 ) then
      return false, "Authentication method not supported"
    end
    local req = Request.Authenticate:new(self.auth_method, creds)
    if ( not(req) ) then
      return false, "Failed to create authentication request"
    end

local status = self.socket:send(tostring(req))
    if ( not(status) ) then
      return false, "Failed to send authentication request"
    end

if ( 2 == self.auth_method ) then
      local status, data = self.socket:receive_buf(match.numbytes(2), true)
      local auth = Response.Authenticate:new(data)

if ( not(auth) ) then
        return false, "Failed to parse authentication response"
      end

if ( auth:isSuccess() ) then
        return true, "Authentication was successful"
      else
        return false, "Authentication failed"
      end

end
    return false, "Unsupported authentication method"
  end,

-- closes the connection to the server
  close = function(self)
    return self.socket:close()
  end,

}

return _ENV;