Class: WASP::WeaponAB

Inherits:
Object show all
Defined in:
lib/wasp/stingab.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WeaponAB

Returns a new instance of WeaponAB.



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# File 'lib/wasp/stingab.rb', line 8

def initialize
  @ab = false
  @zip = false
  @ulimit = false
end

Instance Attribute Details

#ab ⇒ Object (readonly)

Returns the value of attribute ab.



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# File 'lib/wasp/stingab.rb', line 4

def ab
  @ab
end

#ssh ⇒ Object (readonly)

Returns the value of attribute ssh.



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# File 'lib/wasp/stingab.rb', line 3

def ssh
  @ssh
end

#ulimit ⇒ Object (readonly)

Returns the value of attribute ulimit.



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# File 'lib/wasp/stingab.rb', line 6

def ulimit
  @ulimit
end

#zip ⇒ Object (readonly)

Returns the value of attribute zip.



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# File 'lib/wasp/stingab.rb', line 5

def zip
  @zip
end

Instance Method Details

#check(ssh) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 14

def check(ssh)      
  return nil if ssh.nil?

  @ssh = ssh
  result = @ssh.exec! "ab -V"
  @ab = true if not result.match(/This is ApacheBench, Version 2/).nil?
  
  zip_result = @ssh.exec! "zip -h"      
  @zip = true if not zip_result.match(/Info-ZIP/).nil?
  
  open_files = @ssh.exec! "ulimit -n"
  @ulimit = true if open_files.to_i > 1024
  
  return @ab && @zip && @ulimit
end

#compact_summary(results) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 234

def compact_summary (results)
  return nil if results.nil?

  # remove nil report from results array
  reports = []
  results.each do |r|
    if not r.nil? then
      reports.push(r)
    end
  end
    
  concurrency_results = reports.map do |r| r[:concurrency].to_i end
  total_concurrency = concurrency_results.inject do |sum, r| sum + r end
  
  print " Concurrent users:\t\t" + "#{total_concurrency}".yellow   + "\n"
  
  rps_results = reports.map do |r| r[:requests_per_second].to_f end
  mean_requests = rps_results.inject do |sum, r| sum + r end
  
  print " Requests per second:\t\t" + "%.3f".green % mean_requests + " [#/sec] (mean)\n"
  
  #tpr_results = reports.map do |r| r[:time_per_request].to_f end
  #tpr = tpr_results.inject { |sum, r| sum + r } / reports.count
  
  tpr = total_concurrency / mean_requests * 1000
  print " Time per request:\t\t" + "%.3f".green % tpr + " [ms] (mean)\n"
  
  mpr_results = reports.map do |r| r[:mean_per_request].to_f end
  mean_response = mpr_results.inject { |sum, r| sum + r } / reports.count
  
  print " Connection Time:\t\t" + "%.3f".green % mean_response + " [ms] (mean)\n"
  
  eighty_results = reports.map do |r| r[:eighty_percent].to_f end
  mean_eighty = eighty_results.inject { |sum, r| sum + r } / reports.count
  
  print " Almost(80%%) response time:\t%.3f [ms] (mean)\n" % mean_eighty
end

#fire(num_requests, concurrnet_user, url, id, report = false, keepalive = false, without_cookie = false, time = nil, header = nil) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 97

def fire (num_requests, concurrnet_user, url, id, report=false, keepalive=false, without_cookie=false, time=nil, header=nil)
  if @ssh.nil? then
    print "[Error]".red + " Check your weapon first!"
    return nil
  end
  
  keepalive_s = ""
  keepalive_s = "-k" if keepalive
  
  gnuplot = "-g #{id}.plot" if report
  
  cookie = "-C 'sessionid=NotARealSessionID'"
  cookie = nil if without_cookie
  
  header = "-H '#{header}'" if not header.nil?
  
  option = "-n #{num_requests}"
  
  option = "-t #{time}" if not time.nil?
  
  command = "ab #{keepalive_s} -r #{gnuplot} #{option} #{header} -c #{concurrnet_user} #{cookie} #{url}/"
  report = @ssh.exec! command
  
  command = "zip #{id}.zip #{id}.plot"
  @ssh.exec! command
  
  report
end

#points(report) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 126

def points (report)
  return nil if report.nil?
  
  #puts report
  
  error_regex = []
  
  response = {}
  
  error_regex.push(/Too many open files/)
  error_regex.push(/Cannot use concurrency level greater than total number of requests/)
  error_regex.push(/Invalid Concurrency/)
  error_regex.push(/The timeout specified has expired/)
  
  error_regex.each do |reg|
    return nil if not report.match(reg).nil?
  end
    
  regex = /Concurrency Level:.*[\d]*/
  report.match(regex) do |data|
    response[:concurrency] = data.to_s.gsub!(/\D/, '')
    #puts response[:concurrency]
  end
  
  regex = /Time taken for tests:.*[\d]*.[\d]*.*seconds/
  report.match(regex) do |data|
    response[:time] = data.to_s.gsub!(/[a-zA-Z:\s]/, '')
    #puts response[:time]
  end
  
  regex = /Complete requests:.*[\d]*/
  report.match(regex) do |data|
    response[:complete] = data.to_s.gsub!(/\D/, '')
    #puts response[:complete]
  end
  
  regex = /Failed requests:.*[\d]*/
  report.match(regex) do |data|
    response[:failed] = data.to_s.gsub!(/\D/, '')
    #puts response[:failed]
  end
  
  regex = /Write errors:.*[\d]*/
  report.match(regex) do |data|
    response[:write_errors] = data.to_s.gsub!(/\D/, '')
    #puts response[:write_errors]
  end
  
  regex = /Non-2xx responses:.*/
  response[:non2xx] = 0
  report.match(regex) do |data|
    values = data.to_s.split(" ")
    response[:non2xx] = values[2] unless values.nil?
    #puts response[:transferred]
  end
  
  response[:ok] = response[:complete].to_i - response[:non2xx].to_i
  response[:ok] = 0 if response[:ok] < 0
  
  regex = /Total transferred:.*[\d]*.*bytes/
  report.match(regex) do |data|
    response[:transferred] = data.to_s.gsub!(/\D/, '')
    #puts response[:transferred]
  end
  
  regex = /HTML transferred:.*[\d]*.*bytes/
  report.match(regex) do |data|
    response[:html_transferred] = data.to_s.gsub!(/\D/, '')
    #puts response[:html_transferred]
  end
  
  regex = /Requests per second:.*[\d]*.[\d]*.*\[#\/sec\].*\(mean\)/
  report.match(regex) do |data|
    #response[:requests_per_second] = data.to_s.gsub!(/[a-zA-Z:#\s\[\/\]\(\)]/, '')
    response[:requests_per_second] = response[:ok].to_f / response[:time].to_f
    #puts response[:requests_per_second]
  end
  
  regex = /Time per request:.*[\d]*.[\d]*.*\[ms\].*\(mean\)/
  report.match(regex) do |data|
    response[:time_per_request] = data.to_s.gsub!(/[a-zA-Z:\s\[\]\(\)]/, '')
    #puts response[:time_per_request]
  end      
  
  regex = /Total:.*/
  report.match(regex) do |data|
    values = data.to_s.split(" ")
    response[:mean_per_request] = values[2] unless values.nil?
    response[:standard_deviation] = values[3] unless values.nil?
    #puts response[:mean_per_request]
    #puts response[:standard_deviation]
  end
  
  regex = /.*80\%.*[\d]*/
  report.match(regex) do |data|
    response[:eighty_percent] = data.to_s.gsub!(/\s*80\%\s*/, '')
    #puts response[:eighty_percent]
  end
  
  regex = /.*100\%.*[\d]*/
  report.match(regex) do |data|
    response[:hundred_percent] = data.to_s.gsub!(/\s*100\%\s*/, '')
    #puts response[:hundred_percent]
  end
  
  response
end

#reload ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 30

def reload
  if @ssh.nil? then
    print "[Error]".red + " Check your weapon first!"
    return nil
  end
  
  if not @ab then
    command = "uname -v"
    dist = @ssh.exec! command
    case 
    when dist.match(/Ubuntu/) then
      command = 'sudo apt-get update'
      @ssh.exec! command
      command = 'sudo apt-get install apache2-utils -y'
      result = @ssh.exec! command
    end
  end
  
  if not @zip then
    command = "uname -v"
    dist = @ssh.exec! command
    case 
    when dist.match(/Ubuntu/) then
      command = 'sudo apt-get update'
      @ssh.exec! command
      command = 'sudo apt-get install zip -y'
    result = @ssh.exec! command
    end
  end     
  
  if not @ulimit then
    command = "sudo bash -c \"echo '*   soft  nofile  19999' >>  /etc/security/limits.conf\""
    @ssh.exec! command
    command = "sudo bash -c \"echo '*   hard  nofile  19999' >>  /etc/security/limits.conf\""
    @ssh.exec! command
    command = "sudo bash -c \"echo 100000 > /proc/sys/kernel/threads-max\""
    @ssh.exec! command
  end
end

#summary(results) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 272

def summary (results)
  return nil if results.nil?

  # remove nil report from results array
  reports = []
  results.each do |r|
    if not r.nil? then
      reports.push(r)
    end
  end
    
  concurrency_results = reports.map do |r| r[:concurrency].to_i end
  total_concurrency = concurrency_results.inject do |sum, r| sum + r end
  
  print " Concurrent users:\t\t" + "#{total_concurrency}".yellow   + "\n"
  
  complete_results = reports.map do |r| r[:complete].to_i end
  total_complete_requests = complete_results.inject do |sum, r| sum + r end
  
  print " Complete requests:\t\t#{total_complete_requests}\n"
  
  ok_results = reports.map do |r| r[:ok].to_i end
  total_ok_responses = ok_results.inject do |sum, r| sum + r end

  print " 20x responses:\t\t\t#{total_ok_responses}\n"      
  
  non2xx_results = reports.map do |r| r[:non2xx].to_i end
  total_non2xx_responses = non2xx_results.inject do |sum, r| sum + r end

  print " Non-2xx responses:\t\t#{total_non2xx_responses}\n"
  
  failed_results = reports.map do |r| r[:failed].to_i end
  total_failed_requests = failed_results.inject do |sum, r| sum + r end
  
  print " Failed requests:\t\t" + "#{total_failed_requests}".red + "\n"
  
  time_results = reports.map do |r| r[:time].to_f end
  time_taken = time_results.inject { |sum, r| sum + r } / reports.count
  
  print " Time taken for test:\t\t%.3f seconds (mean)\n" % time_taken
  
  rps_results = reports.map do |r| r[:requests_per_second].to_f end
  mean_requests = rps_results.inject do |sum, r| sum + r end
  
  print " Requests per second:\t\t" + "%.3f".green % mean_requests + " [#/sec] (mean)\n"
  
  #tpr_results = reports.map do |r| r[:time_per_request].to_f end
  #tpr = tpr_results.inject { |sum, r| sum + r } / reports.count
  
  tpr = total_concurrency.to_f / mean_requests.to_f * 1000.0
  
  print " Time per request:\t\t" + "%.3f".green % tpr + " [ms] (mean)\n"
  
  mpr_results = reports.map do |r| r[:mean_per_request].to_f end
  mean_response = mpr_results.inject { |sum, r| sum + r } / reports.count
  
  print " Connection Time:\t\t" + "%.3f".green % mean_response + " [ms] (mean)\n"
  
  eighty_results = reports.map do |r| r[:eighty_percent].to_f end
  mean_eighty = eighty_results.inject { |sum, r| sum + r } / reports.count
  
  print " Almost(80%%) response time:\t%.3f [ms] (mean)\n" % mean_eighty
  
  hundred_results = reports.map do |r| r[:hundred_percent].to_f end
  longest_response = hundred_results.sort.last
  
  print " The longest response time:\t%.3f [ms] (mean)\n\n" % longest_response
  
  case 
  when mean_response < 500 then
    print "Mission Assessment: Target crushed wasp offensive.\n\n"
  when mean_response < 1000 then
    print "Mission Assessment: Target successfully fended off the wasp.\n\n"
  when mean_response < 1500 then
    print "Mission Assessment: Target wounded, but operational.\n\n"
  when mean_response < 2000 then
    print "Mission Assessment: Target severely compromised.\n\n"
  else
    print "Mission Assessment: wasp annihilated target.\n\n"
  end
end

#wavefire(concurrnet_user, url, id, wave, keepalive = false, without_cookie = false, header = nil) ⇒ Object 



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# File 'lib/wasp/stingab.rb', line 70

def wavefire (concurrnet_user, url, id, wave, keepalive=false, without_cookie=false, header=nil)
  if @ssh.nil? then
    print "[Error]".red + " Check your weapon first!"
    return nil
  end
  
  if wave.nil? then
    print "[Error]".red + " No wave!"
    return nil
  end
  
  header = "-H '#{header}'" if not header.nil?
  
  cookie = "-C 'sessionid=NotARealSessionID'"
  cookie = nil if without_cookie
  
  keepalive_s = ""
  keepalive_s = "-k" if keepalive

  time = WASP::Const::DEFAULT_WAVE_TIME
  
  command = "ab -t #{time} #{keepalive_s} -r #{cookie} #{header} -c #{concurrnet_user} #{url}/"
  report = @ssh.exec! command
  
  report
end