Class: Rex::Proto::Http::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/rex/proto/http/client.rb

Overview

Acts as a client to an HTTP server, sending requests and receiving responses.

See the RFC: www.w3.org/Protocols/rfc2616/rfc2616.html

Defined Under Namespace

Classes: UnitTest

Constant Summary collapse

DefaultUserAgent = 
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, port = 80, context = {}, ssl = nil, ssl_version = nil, proxies = nil) ⇒ Client

Creates a new client instance



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# File 'lib/rex/proto/http/client.rb', line 24

def initialize(host, port = 80, context = {}, ssl = nil, ssl_version = nil, proxies = nil)
  self.hostname = host
  self.port     = port.to_i
  self.context  = context
  self.ssl      = ssl
  self.ssl_version = ssl_version
  self.proxies  = proxies
  self.config = {
    'read_max_data'   => (1024*1024*1),
    'vhost'           => self.hostname,
    'version'         => '1.1',
    'agent'           => DefaultUserAgent,
    #
    # Evasion options
    #
    'uri_encode_mode'        => 'hex-normal', # hex-all, hex-random, u-normal, u-random, u-all
    'uri_encode_count'       => 1,       # integer
    'uri_full_url'           => false,   # bool
    'pad_method_uri_count'   => 1,       # integer
    'pad_uri_version_count'  => 1,       # integer
    'pad_method_uri_type'    => 'space', # space, tab, apache
    'pad_uri_version_type'   => 'space', # space, tab, apache
    'method_random_valid'    => false,   # bool
    'method_random_invalid'  => false,   # bool
    'method_random_case'     => false,   # bool
    'version_random_valid'   => false,   # bool
    'version_random_invalid' => false,   # bool
    'version_random_case'    => false,   # bool
    'uri_dir_self_reference' => false,   # bool
    'uri_dir_fake_relative'  => false,   # bool
    'uri_use_backslashes'    => false,   # bool
    'pad_fake_headers'       => false,   # bool
    'pad_fake_headers_count' => 16,      # integer
    'pad_get_params'         => false,   # bool
    'pad_get_params_count'   => 8,       # integer
    'pad_post_params'        => false,   # bool
    'pad_post_params_count'  => 8,       # integer
    'uri_fake_end'           => false,   # bool
    'uri_fake_params_start'  => false,   # bool
    'header_folding'         => false,   # bool
    'chunked_size'           => 0        # integer
  }

  # This is not used right now...
  self.config_types = {
    'uri_encode_mode'        => ['hex-normal', 'hex-all', 'hex-random', 'u-normal', 'u-random', 'u-all'],
    'uri_encode_count'       => 'integer',
    'uri_full_url'           => 'bool',
    'pad_method_uri_count'   => 'integer',
    'pad_uri_version_count'  => 'integer',
    'pad_method_uri_type'    => ['space', 'tab', 'apache'],
    'pad_uri_version_type'   => ['space', 'tab', 'apache'],
    'method_random_valid'    => 'bool',
    'method_random_invalid'  => 'bool',
    'method_random_case'     => 'bool',
    'version_random_valid'   => 'bool',
    'version_random_invalid' => 'bool',
    'version_random_case'    => 'bool',
    'uri_dir_self_reference' => 'bool',
    'uri_dir_fake_relative'  => 'bool',
    'uri_use_backslashes'    => 'bool',
    'pad_fake_headers'       => 'bool',
    'pad_fake_headers_count' => 'integer',
    'pad_get_params'         => 'bool',
    'pad_get_params_count'   => 'integer',
    'pad_post_params'        => 'bool',
    'pad_post_params_count'  => 'integer',
    'uri_fake_end'           => 'bool',
    'uri_fake_params_start'  => 'bool',
    'header_folding'         => 'bool',
    'chunked_size'           => 'integer'
  }
end

Instance Attribute Details

#config ⇒ Object

The client request configuration



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# File 'lib/rex/proto/http/client.rb', line 803

def config
  @config
end

#config_types ⇒ Object

The client request configuration classes



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# File 'lib/rex/proto/http/client.rb', line 807

def config_types
  @config_types
end

#conn ⇒ Object

The underlying connection.



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# File 'lib/rex/proto/http/client.rb', line 823

def conn
  @conn
end

#context ⇒ Object

The calling context to pass to the socket



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# File 'lib/rex/proto/http/client.rb', line 827

def context
  @context
end

#junk_pipeline ⇒ Object

When parsing the request, thunk off the first response from the server, since junk



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# File 'lib/rex/proto/http/client.rb', line 835

def junk_pipeline
  @junk_pipeline
end

#local_host ⇒ Object

The local host of the client.



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# File 'lib/rex/proto/http/client.rb', line 815

def local_host
  @local_host
end

#local_port ⇒ Object

The local port of the client.



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# File 'lib/rex/proto/http/client.rb', line 819

def local_port
  @local_port
end

#pipeline ⇒ Object

Whether or not pipelining is in use.



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# File 'lib/rex/proto/http/client.rb', line 811

def pipeline
  @pipeline
end

#proxies ⇒ Object

The proxy list



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# File 'lib/rex/proto/http/client.rb', line 831

def proxies
  @proxies
end

Instance Method Details

#close ⇒ Object

Closes the connection to the remote server.



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# File 'lib/rex/proto/http/client.rb', line 332

def close
  if (self.conn)
    self.conn.shutdown
    self.conn.close
  end

  self.conn = nil
end

#conn? ⇒ Boolean

Returns whether or not the conn is valid.

Returns:

  • (Boolean) 


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# File 'lib/rex/proto/http/client.rb', line 457

def conn?
  conn != nil
end

#connect(t = -1)) ⇒ Object

Connects to the remote server if possible.



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# File 'lib/rex/proto/http/client.rb', line 304

def connect(t = -1)
  # If we already have a connection and we aren't pipelining, close it.
  if (self.conn)
    if !pipelining?
      close
    else
      return self.conn
    end
  end

  timeout = (t.nil? or t == -1) ? 0 : t

  self.conn = Rex::Socket::Tcp.create(
    'PeerHost'  => self.hostname,
    'PeerPort'  => self.port.to_i,
    'LocalHost' => self.local_host,
    'LocalPort' => self.local_port,
    'Context'   => self.context,
    'SSL'       => self.ssl,
    'SSLVersion'=> self.ssl_version,
    'Proxies'   => self.proxies,
    'Timeout'   => timeout
  )
end

#pipelining? ⇒ Boolean

Whether or not connections should be pipelined.

Returns:

  • (Boolean) 


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# File 'lib/rex/proto/http/client.rb', line 464

def pipelining?
  pipeline
end

#read_response(t = -1)) ⇒ Object

Read a response from the server



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# File 'lib/rex/proto/http/client.rb', line 365

def read_response(t = -1)

  resp = Response.new
  resp.max_data = config['read_max_data']

  # Wait at most t seconds for the full response to be read in.  We only
  # do this if t was specified as a negative value indicating an infinite
  # wait cycle.  If t were specified as nil it would indicate that no
  # response parsing is required.

  return resp if not t

  Timeout.timeout((t < 0) ? nil : t) do

    rv = nil
    while (
             rv != Packet::ParseCode::Completed and
             rv != Packet::ParseCode::Error
            )

      begin

        buff = conn.get_once(-1, 1)
        rv   = resp.parse( buff || '' )

      ##########################################################################
      # XXX: NOTE: BUG: get_once currently (as of r10042) rescues "Exception"
      # As such, the following rescue block will ever be reached.  -jjd
      ##########################################################################

      # Handle unexpected disconnects
      rescue ::Errno::EPIPE, ::EOFError, ::IOError
        case resp.state
        when Packet::ParseState::ProcessingHeader
          resp = nil
        when Packet::ParseState::ProcessingBody
          # truncated request, good enough
          resp.error = :truncated
        end
        break
      end

      # This is a dirty hack for broken HTTP servers
      if rv == Packet::ParseCode::Completed
        rbody = resp.body
        rbufq = resp.bufq

        rblob = rbody.to_s + rbufq.to_s
        tries = 0
        begin
          # XXX: This doesn't deal with chunked encoding or "Content-type: text/html; charset=..."
          while tries < 1000 and resp.headers["Content-Type"]== "text/html" and rblob !~ /<\/html>/i
            buff = conn.get_once(-1, 0.05)
            break if not buff
            rblob += buff
            tries += 1
          end
        rescue ::Errno::EPIPE, ::EOFError, ::IOError
        end

        resp.bufq = ""
        resp.body = rblob
      end
    end
  end

  return resp if not resp

  # As a last minute hack, we check to see if we're dealing with a 100 Continue here.
  if resp.proto == '1.1' and resp.code == 100
    # If so, our real response becaome the body, so we re-parse it.
    body = resp.body
    resp = Response.new
    resp.max_data = config['read_max_data']
    rv = resp.parse(body)
    # XXX: At some point, this may benefit from processing post-completion code
    # as seen above.
  end

  resp
end

#request_cgi(opts = {}) ⇒ Object

Create a CGI compatible request

Options:

  • agent: User-Agent header value

  • basic_auth: Basic-Auth header value

  • connection: Connection header value

  • cookie: Cookie header value

  • ctype: Content-Type header value, default: application/x-www-form-urlencoded

  • data: HTTP data (only useful with some methods, see rfc2616)

  • encode: URI encode the supplied URI

  • headers: HTTP headers as a hash, e.g. { "X-MyHeader" => "value" }

  • method: HTTP method to use in the request, not limited to standard methods defined by rfc2616, default: GET

  • proto: protocol, default: HTTP

  • query: raw query string

  • raw_headers: HTTP headers as a hash

  • uri: the URI to request

  • vars_get: GET variables as a hash to be translated into a query string

  • vars_post: POST variables as a hash to be translated into POST data

  • version: version of the protocol, default: 1.1

  • vhost: Host header value



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# File 'lib/rex/proto/http/client.rb', line 210

def request_cgi(opts={})
  c_enc  = opts['encode']     || false
  c_cgi  = opts['uri']        || '/'
  c_body = opts['data']       || ''
  c_meth = opts['method']     || 'GET'
  c_prot = opts['proto']      || 'HTTP'
  c_vers = opts['version']    || config['version'] || '1.1'
  c_qs   = opts['query']      || ''
  c_varg = opts['vars_get']   || {}
  c_varp = opts['vars_post']  || {}
  c_head = opts['headers']    || config['headers'] || {}
  c_rawh = opts['raw_headers']|| config['raw_headers'] || ''
  c_type = opts['ctype']      || 'application/x-www-form-urlencoded'
  c_ag   = opts['agent']      || config['agent']
  c_cook = opts['cookie']     || config['cookie']
  c_host = opts['vhost']      || config['vhost']
  c_conn = opts['connection']
  c_path = opts['path_info']
  c_auth = opts['basic_auth'] || config['basic_auth'] || ''

  uri    = set_cgi(c_cgi)
  qstr   = c_qs
  pstr   = c_body

  if (config['pad_get_params'])
    1.upto(config['pad_get_params_count'].to_i) do |i|
      qstr << '&' if qstr.length > 0
      qstr << set_encode_uri(Rex::Text.rand_text_alphanumeric(rand(32)+1))
      qstr << '='
      qstr << set_encode_uri(Rex::Text.rand_text_alphanumeric(rand(32)+1))
    end
  end

  c_varg.each_pair do |var,val|
    qstr << '&' if qstr.length > 0
    qstr << set_encode_uri(var)
    qstr << '='
    qstr << set_encode_uri(val)
  end

  if (config['pad_post_params'])
    1.upto(config['pad_post_params_count'].to_i) do |i|
      pstr << '&' if qstr.length > 0
      pstr << set_encode_uri(Rex::Text.rand_text_alphanumeric(rand(32)+1))
      pstr << '='
      pstr << set_encode_uri(Rex::Text.rand_text_alphanumeric(rand(32)+1))
    end
  end

  c_varp.each_pair do |var,val|
    pstr << '&' if pstr.length > 0
    pstr << set_encode_uri(var)
    pstr << '='
    pstr << set_encode_uri(val)
  end

  req = ''
  req << set_method(c_meth)
  req << set_method_uri_spacer()
  req << set_uri_prepend()
  req << (c_enc ? set_encode_uri(uri):uri)

  if (qstr.length > 0)
    req << '?'
    req << qstr
  end

  req << set_path_info(c_path)
  req << set_uri_append()
  req << set_uri_version_spacer()
  req << set_version(c_prot, c_vers)
  req << set_host_header(c_host)
  req << set_agent_header(c_ag)

  if (c_auth.length > 0)
    req << set_basic_auth_header(c_auth)
  end

  req << set_cookie_header(c_cook)
  req << set_connection_header(c_conn)
  req << set_extra_headers(c_head)

  req << set_content_type_header(c_type)
  req << set_content_len_header(pstr.length)
  req << set_chunked_header()
  req << set_raw_headers(c_rawh)
  req << set_body(pstr)

  req
end

#request_raw(opts = {}) ⇒ Object

Create an arbitrary HTTP request



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# File 'lib/rex/proto/http/client.rb', line 133

def request_raw(opts={})
  c_enc  = opts['encode']     || false
  c_uri  = opts['uri']        || '/'
  c_body = opts['data']       || ''
  c_meth = opts['method']     || 'GET'
  c_prot = opts['proto']      || 'HTTP'
  c_vers = opts['version']    || config['version'] || '1.1'
  c_qs   = opts['query']
  c_ag   = opts['agent']      || config['agent']
  c_cook = opts['cookie']     || config['cookie']
  c_host = opts['vhost']      || config['vhost'] || self.hostname
  c_head = opts['headers']    || config['headers'] || {}
  c_rawh = opts['raw_headers']|| config['raw_headers'] || ''
  c_conn = opts['connection']
  c_auth = opts['basic_auth'] || config['basic_auth'] || ''

  # An agent parameter was specified, but so was a header, prefer the header
  if c_ag and c_head.keys.map{|x| x.downcase }.include?('user-agent')
    c_ag = nil
  end
  
  uri    = set_uri(c_uri)

  req = ''
  req << set_method(c_meth)
  req << set_method_uri_spacer()
  req << set_uri_prepend()
  req << (c_enc ? set_encode_uri(uri) : uri)

  if (c_qs)
    req << '?'
    req << (c_enc ? set_encode_qs(c_qs) : c_qs)
  end

  req << set_uri_append()
  req << set_uri_version_spacer()
  req << set_version(c_prot, c_vers)
  req << set_host_header(c_host)
  req << set_agent_header(c_ag)


  if (c_auth.length > 0)
    req << set_basic_auth_header(c_auth)
  end

  req << set_cookie_header(c_cook)
  req << set_connection_header(c_conn)
  req << set_extra_headers(c_head)
  req << set_raw_headers(c_rawh)
  req << set_body(c_body)

  req
end

#send_recv(req, t = -1,, persist = false) ⇒ Object

Transmit an HTTP request and receive the response If persist is set, then the request will attempt to reuse an existing connection.



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# File 'lib/rex/proto/http/client.rb', line 346

def send_recv(req, t = -1, persist=false)
  @pipeline = persist
  send_request(req, t)
  res = read_response(t)
  res.request = req.to_s if res
  res
end

#send_request(req, t = -1)) ⇒ Object

Send an HTTP request to the server



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# File 'lib/rex/proto/http/client.rb', line 357

def send_request(req, t = -1)
  connect(t)
  conn.put(req.to_s)
end

#set_agent_header(agent) ⇒ Object

Return the HTTP agent header



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# File 'lib/rex/proto/http/client.rb', line 714

def set_agent_header(agent)
  agent ? set_formatted_header("User-Agent", agent) : ""
end

#set_basic_auth_header(auth) ⇒ Object

Return the Authorization basic-auth header



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# File 'lib/rex/proto/http/client.rb', line 749

def set_basic_auth_header(auth)
  auth ? set_formatted_header("Authorization", "Basic " + Rex::Text.encode_base64(auth)) : ""
end

#set_body(data) ⇒ Object

Return the HTTP seperator and body string



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# File 'lib/rex/proto/http/client.rb', line 602

def set_body(data)
  return "\r\n" + data if self.config['chunked_size'] == 0
  str = data.dup
  chunked = ''
  while str.size > 0
    chunk = str.slice!(0,rand(self.config['chunked_size']) + 1)
    chunked << sprintf("%x", chunk.size) + "\r\n" + chunk + "\r\n"
  end
  "\r\n" + chunked + "0\r\n\r\n"
end

#set_cgi(uri) ⇒ Object

Return the cgi



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# File 'lib/rex/proto/http/client.rb', line 526

def set_cgi(uri)

  if (self.config['uri_dir_self_reference'])
    uri.gsub!('/', '/./')
  end

  if (self.config['uri_dir_fake_relative'])
    buf = ""
    uri.split('/').each do |part|
      cnt = rand(8)+2
      1.upto(cnt) { |idx|
        buf << "/" + Rex::Text.rand_text_alphanumeric(rand(32)+1)
      }
      buf << ("/.." * cnt)
      buf << "/" + part
    end
    uri = buf
  end

  url = uri

  if (self.config['uri_full_url'])
    url = self.ssl ? "https" : "http"
    url << self.config['vhost']
    url << (self.port == 80) ? "" : ":#{self.port}"
    url << uri
  end

  url
end

#set_chunked_header ⇒ Object 



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# File 'lib/rex/proto/http/client.rb', line 775

def set_chunked_header()
  return "" if self.config['chunked_size'] == 0
  set_formatted_header('Transfer-Encoding', 'chunked')
end

#set_config(opts = {}) ⇒ Object

Set configuration options



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# File 'lib/rex/proto/http/client.rb', line 101

def set_config(opts = {})
  opts.each_pair do |var,val|
    # Default type is string
    typ = self.config_types[var] || 'string'

    # These are enum types
    if(typ.class.to_s == 'Array')
      if not typ.include?(val)
        raise RuntimeError, "The specified value for #{var} is not one of the valid choices"
      end
    end

    # The caller should have converted these to proper ruby types, but
    # take care of the case where they didn't before setting the
    # config.

    if(typ == 'bool')
      val = (val =~ /^(t|y|1)$/i ? true : false || val === true)
    end

    if(typ == 'integer')
      val = val.to_i
    end

    self.config[var]=val
  end

end

#set_connection_header(conn) ⇒ Object

Return the HTTP connection header



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# File 'lib/rex/proto/http/client.rb', line 728

def set_connection_header(conn)
  conn ? set_formatted_header("Connection", conn) : ""
end

#set_content_len_header(clen) ⇒ Object

Return the content length header



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# File 'lib/rex/proto/http/client.rb', line 741

def set_content_len_header(clen)
  return "" if self.config['chunked_size'] > 0
  set_formatted_header("Content-Length", clen)
end

#set_content_type_header(ctype) ⇒ Object

Return the content type header



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# File 'lib/rex/proto/http/client.rb', line 735

def set_content_type_header(ctype)
  set_formatted_header("Content-Type", ctype)
end

#set_cookie_header(cookie) ⇒ Object

Return the HTTP cookie header



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# File 'lib/rex/proto/http/client.rb', line 721

def set_cookie_header(cookie)
  cookie ? set_formatted_header("Cookie", cookie) : ""
end

#set_encode_qs(qs) ⇒ Object

Return the encoded query string



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# File 'lib/rex/proto/http/client.rb', line 482

def set_encode_qs(qs)
  a = qs
  self.config['uri_encode_count'].times {
    a = Rex::Text.uri_encode(a, self.config['uri_encode_mode'])
  }
  return a
end

#set_encode_uri(uri) ⇒ Object

Return the encoded URI

‘none’,‘hex-normal’, ‘hex-all’, ‘u-normal’, ‘u-all’ 


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# File 'lib/rex/proto/http/client.rb', line 471

def set_encode_uri(uri)
  a = uri
  self.config['uri_encode_count'].times {
    a = Rex::Text.uri_encode(a, self.config['uri_encode_mode'])
  }
  return a
end

#set_extra_headers(headers) ⇒ Object

Return a string of formatted extra headers



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# File 'lib/rex/proto/http/client.rb', line 756

def set_extra_headers(headers)
  buf = ''

  if (self.config['pad_fake_headers'])
    1.upto(self.config['pad_fake_headers_count'].to_i) do |i|
      buf << set_formatted_header(
        Rex::Text.rand_text_alphanumeric(rand(32)+1),
        Rex::Text.rand_text_alphanumeric(rand(32)+1)
      )
    end
  end

  headers.each_pair do |var,val|
    buf << set_formatted_header(var, val)
  end

  buf
end

#set_formatted_header(var, val) ⇒ Object

Return a formatted header string



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# File 'lib/rex/proto/http/client.rb', line 790

def set_formatted_header(var, val)
  if (self.config['header_folding'])
    "#{var}:\r\n\t#{val}\r\n"
  else
    "#{var}: #{val}\r\n"
  end
end

#set_host_header(host = nil) ⇒ Object

Return the HTTP Host header



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# File 'lib/rex/proto/http/client.rb', line 694

def set_host_header(host=nil)
  return "" if self.config['uri_full_url']
  host ||= self.config['vhost']

  # IPv6 addresses must be placed in brackets
  if Rex::Socket.is_ipv6?(host)
    host = "[#{host}]"
  end

  # The port should be appended if non-standard
  if not [80,443].include?(self.port)
    host = host + ":#{port}"
  end

  set_formatted_header("Host", host)
end

#set_method(method) ⇒ Object

Return the HTTP method string



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# File 'lib/rex/proto/http/client.rb', line 560

def set_method(method)
  ret = method

  if (self.config['method_random_valid'])
    ret = ['GET', 'POST', 'HEAD'][rand(3)]
  end

  if (self.config['method_random_invalid'])
    ret = Rex::Text.rand_text_alpha(rand(20)+1)
  end

  if (self.config['method_random_case'])
    ret = Rex::Text.to_rand_case(ret)
  end

  ret
end

#set_method_uri_spacer ⇒ Object

Return the spacing between the method and uri



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# File 'lib/rex/proto/http/client.rb', line 624

def set_method_uri_spacer
  len = self.config['pad_method_uri_count'].to_i
  set = " "
  buf = ""

  case self.config['pad_method_uri_type']
  when 'tab'
    set = "\t"
  when 'apache'
    set = "\t \x0b\x0c\x0d"
  end

  while(buf.length < len)
    buf << set[ rand(set.length) ]
  end

  return buf
end

#set_path_info(path) ⇒ Object

Return the HTTP path info TODO:

* Encode path information



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# File 'lib/rex/proto/http/client.rb', line 617

def set_path_info(path)
  path ? path : ''
end

#set_raw_headers(data) ⇒ Object

Return a string of raw header data



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# File 'lib/rex/proto/http/client.rb', line 783

def set_raw_headers(data)
  data
end

#set_uri(uri) ⇒ Object

Return the uri



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# File 'lib/rex/proto/http/client.rb', line 493

def set_uri(uri)

  if (self.config['uri_dir_self_reference'])
    uri.gsub!('/', '/./')
  end

  if (self.config['uri_dir_fake_relative'])
    buf = ""
    uri.split('/').each do |part|
      cnt = rand(8)+2
      1.upto(cnt) { |idx|
        buf << "/" + Rex::Text.rand_text_alphanumeric(rand(32)+1)
      }
      buf << ("/.." * cnt)
      buf << "/" + part
    end
    uri = buf
  end

  if (self.config['uri_full_url'])
    url = self.ssl ? "https" : "http"
    url << self.config['vhost']
    url << ((self.port == 80) ? "" : ":#{self.port}")
    url << uri
    url
  else
    uri
  end
end

#set_uri_append ⇒ Object

Return the padding to place before the uri



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# File 'lib/rex/proto/http/client.rb', line 685

def set_uri_append
  # TODO:
  #  * Support different padding types
  ""
end

#set_uri_prepend ⇒ Object

Return the padding to place before the uri



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# File 'lib/rex/proto/http/client.rb', line 668

def set_uri_prepend
  prefix = ""

  if (self.config['uri_fake_params_start'])
    prefix << '/%3fa=b/../'
  end

  if (self.config['uri_fake_end'])
    prefix << '/%20HTTP/1.0/../../'
  end

  prefix
end

#set_uri_version_spacer ⇒ Object

Return the spacing between the uri and the version



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# File 'lib/rex/proto/http/client.rb', line 646

def set_uri_version_spacer
  len = self.config['pad_uri_version_count'].to_i
  set = " "
  buf = ""

  case self.config['pad_uri_version_type']
  when 'tab'
    set = "\t"
  when 'apache'
    set = "\t \x0b\x0c\x0d"
  end

  while(buf.length < len)
    buf << set[ rand(set.length) ]
  end

  return buf
end

#set_version(protocol, version) ⇒ Object

Return the HTTP version string



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# File 'lib/rex/proto/http/client.rb', line 581

def set_version(protocol, version)
  ret = protocol + "/" + version

  if (self.config['version_random_valid'])
    ret = protocol + "/" +  ['1.0', '1.1'][rand(2)]
  end

  if (self.config['version_random_invalid'])
    ret = Rex::Text.rand_text_alphanumeric(rand(20)+1)
  end

  if (self.config['version_random_case'])
    ret = Rex::Text.to_rand_case(ret)
  end

  ret << "\r\n"
end

#stop ⇒ Object

Cleans up any outstanding connections and other resources.



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# File 'lib/rex/proto/http/client.rb', line 450

def stop
  close
end