Class: Watobo::HTTPSocket::Connection

Inherits:
Object
  • Object
show all
Defined in:
lib/watobo/http_socket/connection.rb

Constant Summary

Constants included from Constants

Constants::AC_GROUP_APACHE, Constants::AC_GROUP_DOMINO, Constants::AC_GROUP_ENUMERATION, Constants::AC_GROUP_FILE_INCLUSION, Constants::AC_GROUP_FLASH, Constants::AC_GROUP_GENERIC, Constants::AC_GROUP_JBOSS, Constants::AC_GROUP_JOOMLA, Constants::AC_GROUP_SAP, Constants::AC_GROUP_SQL, Constants::AC_GROUP_TYPO3, Constants::AC_GROUP_XSS, Constants::AUTH_TYPE_BASIC, Constants::AUTH_TYPE_DIGEST, Constants::AUTH_TYPE_NONE, Constants::AUTH_TYPE_NTLM, Constants::CHAT_SOURCE_AUTO_SCAN, Constants::CHAT_SOURCE_FUZZER, Constants::CHAT_SOURCE_INTERCEPT, Constants::CHAT_SOURCE_MANUAL, Constants::CHAT_SOURCE_MANUAL_SCAN, Constants::CHAT_SOURCE_PROXY, Constants::CHAT_SOURCE_UNDEF, Constants::DEFAULT_PORT_HTTP, Constants::DEFAULT_PORT_HTTPS, Constants::FINDING_TYPE_HINT, Constants::FINDING_TYPE_INFO, Constants::FINDING_TYPE_UNDEFINED, Constants::FINDING_TYPE_VULN, Constants::FIRST_TIME_FILE, Constants::GUI_REGULAR_FONT_SIZE, Constants::GUI_SMALL_FONT_SIZE, Constants::ICON_PATH, Constants::LOG_DEBUG, Constants::LOG_INFO, Constants::SCAN_CANCELED, Constants::SCAN_FINISHED, Constants::SCAN_PAUSED, Constants::SCAN_STARTED, Constants::TE_CHUNKED, Constants::TE_COMPRESS, Constants::TE_DEFLATE, Constants::TE_GZIP, Constants::TE_IDENTITY, Constants::TE_NONE, Constants::VULN_RATING_CRITICAL, Constants::VULN_RATING_HIGH, Constants::VULN_RATING_INFO, Constants::VULN_RATING_LOW, Constants::VULN_RATING_MEDIUM, Constants::VULN_RATING_UNDEFINED

Instance Method Summary collapse

Constructor Details

#initialize(request, prefs) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/watobo/http_socket/connection.rb', line 32

def initialize(request, prefs)
  @request = request
  @response = nil
  
  @proxy = Watobo::ForwardingProxy.get(site)

    unless @proxy.nil?
      host = @proxy.host
      port = @proxy.port
    else
      host = @request.host
      port = @request.port
    end
    # check if hostname is valid and can be resolved
    #hostip = IPSocket.getaddress(host)
  
end

Instance Method Details

#doProxyAuth ⇒ Object

doProxyAuth



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# File 'lib/watobo/http_socket/connection.rb', line 408

def  doProxyAuth()
 # puts "DO PROXY AUTH"
 # puts proxy.to_yaml
  response_headers = nil
  case @proxy.auth_type
  when AUTH_TYPE_NTLM
    return proxyAuthNTLM()

  end # END OF NTLM

end

#proxyAuthNTLM ⇒ Object

proxyAuthNTLM returns: ResponseHeaders



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# File 'lib/watobo/http_socket/connection.rb', line 313

def proxyAuthNTLM()
  
  request = @request.copy
  
  
  request.removeHeader("Proxy-Authorization")
  request.removeHeader("Proxy-Connection")

  response_header = []

  ntlm_challenge = nil
  t1 = Net::NTLM::Message::Type1.new()
  msg = "NTLM " + t1.encode64

  request.addHeader("Proxy-Authorization", msg)
  request.addHeader("Proxy-Connection", "Keep-Alive")

  #   puts "============= T1 ======================="
  #    puts auth_request
  data = request.join + "\r\n"

  @socket.print data
  #  puts "-----------------"
  response_header = readHTTPHeader(@socket)
  rcode = nil
  rmsg = nil
  ntlm_challenge = nil
  clen = 0
  response_header.each do |line|
    # puts line
    if line =~ /^HTTP\/\d\.\d (\d+) (.*)/ then
      rcode = $1.to_i
      rmsg = $2
    end
    if line =~ /^Proxy-Authenticate: (NTLM) (.+)\r\n/
      ntlm_challenge = $2
    end
    if line =~ /^Content-Length: (\d{1,})\r\n/
      clen = $1.to_i
    end
    break if line.strip.empty?
  end

  #puts "* reading #{clen} bytes"

  if rcode == 407 # ProxyAuthentication Required
    return response_header if ntlm_challenge.nil? or ntlm_challenge == ""
  else
    puts "* no proxy authentication required!"
    return response_header
  end

  Watobo::HTTPSocket.read_body(@socket, :max_bytes => clen){ |d|
    #puts d
  }

  t2 = Net::NTLM::Message.decode64(ntlm_challenge)
  t3 = t2.response({:user => proxy.username, :password => proxy.password, :workstation => proxy.workstation, :domain => proxy.domain}, {:ntlmv2 => true})
  request.removeHeader("Proxy-Authorization")
  #  request.removeHeader("Proxy-Connection")

  #  request.addHeader("Proxy-Connection", "Close")
  #  request.addHeader("Pragma", "no-cache")
  msg = "NTLM " + t3.encode64
  request.addHeader("Proxy-Authorization", msg)
  # puts "============= T3 ======================="
  # puts request
  # puts "------------------------"
  data = request.join + "\r\n"
  @socket.print data

  response_header = readHTTPHeader(@socket)
  response_header.each do |line|
    #  puts line
    if line =~ /^HTTP\/\d\.\d (\d+) (.*)/ then
      rcode = $1.to_i
      rmsg = $2
    end
    if line =~ /^Proxy-Authenticate: (NTLM) (.+)\r\n/
      ntlm_challenge = $2
    end
    if line =~ /^Content-Length: (\d{1,})\r\n/
      clen = $1.to_i
    end
    break if line.strip.empty?
  end
  #  Watobo::HTTPSocket.read_body(tcp_socket, :max_bytes => clen){ |d|
  #puts d
  #  }
  return response_header
end

#read_body(prefs = {}) ⇒ Object 



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# File 'lib/watobo/http_socket/connection.rb', line 50

def read_body( prefs={} )
  clen = @response.content_length
  data = ""

  begin
    if @response.is_chunked?
      Watobo::HTTPSocket.readChunkedBody(@socket) { |c|
        data += c
      }
    elsif  clen > 0
      #  puts "* read #{clen} bytes for body"
      Watobo::HTTPSocket.read_body(@socket, :max_bytes => clen) { |c|
        data += c
        break if data.length == clen
      }
    elsif clen < 0
      # puts "* no content-length information ... mmmmmpf"
     # eofcount = 0
      Watobo::HTTPSocket.read_body(@socket) do |c|
        data += c
      end

    end
    
    response.push data unless data.empty?
    unless prefs[:ignore_logout]==true  or @session[:logout_signatures].empty?
      notify(:logout, self) if loggedOut?(response)
    end

    update_sids(request.host, response) if prefs[:update_sids] == true
    return true
   
  rescue => e
    puts "! Could not read response"
    puts e
    # puts e.backtrace
  end

  return false
end

#read_header(prefs = {}) ⇒ Object 



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# File 'lib/watobo/http_socket/connection.rb', line 91

def read_header( prefs={} )
  
  header = []
  msg = nil
  begin
      Watobo::HTTPSocket.read_header(@socket) do |line|
      #puts line
      # puts line.unpack("H*")
      header << line
    end
    rescue Errno::ECONNRESET
      msg = "<html><head><title>WATOBO</title></head><body>WATOBO: Connection Reset By Peer</body></html>"           
    rescue Timeout::Error
      msg = "<html><head><title>WATOBO</title></head><body>WATOBO: Timeout</body></html>"
  rescue => bang
    puts "!ERROR: read_header"
    return nil
  end
   
   header = [ "HTTP/1.1 200 OK\r\n", "Server: WATOBO\r\n", "Content-Length: #{msg.length.to_i}\r\n", "Content-Type: text/html\r\n", "\r\n", "#{msg}" ] unless msg.nil?

  response = Watobo::Response.new header
  #  update_sids(header)

  #  update_sids(request.site, response) if prefs[:update_sids] == true

  unless prefs[:ignore_logout]==true or @session[:logout_signatures].empty?
     notify(:logout, self) if loggedOut?(response)
  end

  return response
end

#sslConnect(tcp_socket, current_prefs = {}) ⇒ Object 



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# File 'lib/watobo/http_socket/connection.rb', line 124

def sslConnect(tcp_socket, current_prefs = {} )
  begin
  
    ctx = OpenSSL::SSL::SSLContext.new()
    ctx.ciphers = current_prefs[:ssl_cipher] if current_prefs.has_key? :ssl_cipher

    if current_prefs.has_key? :ssl_client_cert and current_prefs.has_key? :ssl_client_key
    
      ctx.cert = current_prefs[:ssl_client_cert]
      ctx.key = current_prefs[:ssl_client_key]
      if $DEBUG
                  puts "[SSLconnect] Client Certificates"
                  puts "= CERT ="
                 # puts @ctx.cert.methods.sort
        puts ctx.cert.display
        puts "---"
                  puts "= KEY ="
                  puts ctx.key.display
                  puts "---"
                end    
                end
    
    @socket = OpenSSL::SSL::SSLSocket.new(tcp_socket, ctx)
    @socket.sync_close = true

    @socket.connect
    @socket.setsockopt( Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
    puts "[SSLconnect]: #{@socket.state}" if $DEBUG
    return socket
  rescue => bang
    if current_prefs[:ssl_cipher].nil?
      puts "[SSLconnect] ... gr#!..*peep*.. "
      puts bang
      puts bang.backtrace if $DEBUG
    end
  end
end

#sslProxyConnect(prefs) ⇒ Object

SSLProxyConnect return SSLSocket, ResponseHeader of ConnectionSetup On error SSLSocket is nil



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# File 'lib/watobo/http_socket/connection.rb', line 165

def sslProxyConnect( prefs )
  begin
    tcp_socket = nil
    response_header = []

    request = @request.copy
   
    #  timeout(6) do

    tcp_socket = TCPSocket.new( @proxy.host, @proxy.port)
    tcp_socket.setsockopt( Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1)
    tcp_socket.sync = true
   
    # setup request
    dummy = "CONNECT #{request.host}:#{request.port} HTTP/1.0\r\n"
    request.shift
    request.unshift dummy

    request.removeHeader("Proxy-Connection")
    request.removeHeader("Connection")
    request.removeHeader("Content-Length")
    request.removeBody()
    request.addHeader("Proxy-Connection", "Keep-Alive")
    request.addHeader("Pragma", "no-cache")

    #  puts "=== sslProxyConnect ==="
    #  puts request

    if proxy.has_login?
      case proxy.auth_type
      when AUTH_TYPE_NTLM

        t1 = Net::NTLM::Message::Type1.new()
        msg = "NTLM " + t1.encode64
        request.addHeader("Proxy-Authorization", msg)

        if $DEBUG
        puts "============= PROXY NTLM: T1 ======================="
        puts request
        puts "---"
        end
        data = request.join + "\r\n"

        tcp_socket.print data
        #  puts "-----------------"
        cl = 0
        ntlm_challenge = nil
        while (line = tcp_socket.gets)
          response_header.push line
          puts line if $DEBUG
          if line =~ /^HTTP\/\d\.\d (\d+) (.*)/ then
            rcode = $1.to_i
            rmsg = $2
          end
          if line =~ /^Proxy-Authenticate: (NTLM) (.+)\r\n/
            ntlm_challenge = $2
          end
          if line =~ /^Content-Length: (\d*)/i
            cl = $1.to_i
          end
          break if line.strip.empty?
        end

    
        if cl > 0
        Watobo::HTTPSocket.read_body(tcp_socket) { |d|
          # puts d
        }
        end

        if rcode == 200 # Ok
          puts "* seems proxy doesn't require authentication"
          socket = sslConnect(tcp_socket, prefs)
          return socket, response_header
        end

        return socket, response_header if ntlm_challenge.nil? or ntlm_challenge == ""

        t2 = Net::NTLM::Message.decode64(ntlm_challenge)
        t3 = t2.response( { :user => proxy.username,
          :password => proxy.password,
          :domain => proxy.domain },
        { :workstation => proxy.workstation, :ntlmv2 => true } )
        request.removeHeader("Proxy-Authorization")

        msg = "NTLM " + t3.encode64
        request.addHeader("Proxy-Authorization", msg)
        
        data = request.join + "\r\n"
        if $DEBUG
         puts "============= T3 ======================="
         puts data
         puts "---"
        end

        tcp_socket.print data
        #  puts "-----------------"

        response_header = []
        rcode = 0
        response_header = read_header(@socket)
        rcode = response_header.status
        if rcode =~/^200/ # Ok
          puts "[ProxyAuth-NTLM] Authorization Successful" if $DEBUG
          socket = sslConnect(tcp_socket, prefs)
          return socket, response_header
        elsif rcode =~ /^407/ # ProxyAuthentication Required
          # if rcode is still 407 authentication didn't work -> break
          msg = "NTLM-Authentication failed!"
          puts "[ProxyAuth-NTLM] #{msg}" if $DEBUG
          return nil, msg
        else
          puts "[SSLconnect] NTLM Authentication"
          puts ">  #{rcode} <"
          return nil, response_header
        end              
      end
    end # END OF PROXY AUTH

    # Start ProxyConnect Without Authentication
    data = request.join + "\r\n"
    tcp_socket.print data
    # puts "-----------------"

    response_header = []
    response_header = readHTTPHeader(@socket)
    rcode = response_header.status
    if rcode =~ /^200/ # Ok
      # puts "* proxy connection successfull"
    elsif rcode =~ /^407/ # ProxyAuthentication Required
      # if rcode is still 407 authentication didn't work -> break

    else
      puts "[SSLconnect] Response Status"
      puts ">  #{rcode} <"
    end

    socket = sslConnect(@socket, prefs)
    return socket, response_header
  rescue => bang
    puts bang
    return nil, error_response(bang)
  end
  # return nil, nil
end