Class: MyAxes

Inherits:
Object
  • Object
show all
Includes:
Log4r
Defined in:
lib/myaxes.rb

Instance Method Summary collapse

Constructor Details

#initialize(config = '~/.myaxes') ⇒ MyAxes

Returns a new instance of MyAxes.



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# File 'lib/myaxes.rb', line 12

def initialize(config='~/.myaxes')
  @logger = Logger.new('MyAxes')
  @logger.outputters = Outputter.stdout

  @options = Options.new.parse
  @logger.debug "test #{@options}" if $DEBUG

  @conf = AxeConfig.new(@options)
  @config = @conf.read(config)
  @targets = @conf.targets
  @threads = []

  @ssh_options ={
    :port => @config['Global']['ssh_port'],
  	:verbose => @config['Global']['debug_level'].to_sym,
  	:auth_methods => %w(publickey password keyboard-interactive),
  	:keys => @config['Global']['ssh_keys'],
  	:password => @config['Global']['password']
  }
  @commands_proc = Proc.new { |session, hostname|
    @targets[hostname].each do |query|
      @logger.debug "Query: #{query}" if $DEBUG
      name = hostname.chomp.split(".")[0]
      cmd = "mysql -u #{@config['Targets'][name]['login']} -e '#{query}' -p"
      output = self.exec(session,cmd,name)
      puts "\033[0;32m[*] #{hostname}\033[0m: #{output}"
    end
  }

end

Instance Method Details

#exec(session, cmd, name) ⇒ Object 



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# File 'lib/myaxes.rb', line 111

def exec(session,cmd,name)
  channel = session.open_channel do |channel|
    channel.request_pty do |ch, success|
      raise "Could not obtain pty (i.e. an interactive ssh session)" if !success
    end
    channel.exec(cmd) do |ch, success|
      die "could not execute command" unless success
        channel.on_data do |ch, data|
          if data == "Enter password: "
            @logger.debug "DEBUG: Password request" if $DEBUG
            channel.send_data "#{@config['Targets'][name]['password']}\n"
          else
            channel[:result] ||= ""
            channel[:result] << data
          end
        end

        channel.on_extended_data do |ch, type, data|
          raise "SSH command returned on stderr: #{data}"
        end
      end
    end

        # Nothing has actually happened yet. Everything above will respond to the
        # server after each execution of the ssh loop until it has nothing left
        # to process. For example, if the above recieved a password challenge from
        # the server, ssh's exec loop would execute twice - once for the password,
        # then again after clearing the password (or twice more and exit if the
        # password was bad)
    channel.wait

    return channel[:result] # it returns with \r\n at the end
end

#start ⇒ Object 



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# File 'lib/myaxes.rb', line 43

def start
  @targets.each_key do |hostname|
    if self.use_gw?
      @threads << Thread.new {
        self.via_gw do |jump_server|
          begin
            jump_server.ssh(hostname, @config['Global']['login'], @ssh_options) do |session|
              @commands_proc.call(session,hostname)
            end
          rescue Net::SSH::Disconnect => errmsg
            warn "#{hostname} : #{errmsg}"
          rescue Net::SSH::AuthenticationFailed => errmsg
            warn "#{hostname} : #{errmsg}"
          rescue Errno::ETIMEDOUT => errmsg
            warn "#{hostname} : #{errmsg}"
          rescue Errno::ECONNREFUSED => errmsg
            warn "#{hostname} : #{errmsg}"
          end
        end
      }
    else
      @threads << Thread.new {
        begin
          Net::SSH.start(hostname, @config['Global']['login'], @ssh_options) do |session|
            @commands_proc.call(session,hostname)
     		  end
     		rescue Net::SSH::Disconnect => errmsg
          warn "#{hostname} : #{errmsg}"
        rescue Net::SSH::AuthenticationFailed => errmsg
          warn "#{hostname} : #{errmsg}"
        rescue Errno::ETIMEDOUT => errmsg
          warn "#{hostname} : #{errmsg}"
        rescue Errno::ECONNREFUSED => errmsg
          warn "#{hostname} : #{errmsg}"
        end
     	}
    end
  end

  @threads.each {|thread|
    thread.join
  }
end

#use_gw? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/myaxes.rb', line 107

def use_gw?
  @config['Global']['use_jump']
end

#via_gw ⇒ Object 



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# File 'lib/myaxes.rb', line 87

def via_gw
  begin
    jump_server = Net::SSH::Gateway.new(@config['Global']['jump_server'], @config['Global']['login'], @ssh_options)

   @logger.debug "port forwarding ok" if $DEBUG

   yield jump_server

 rescue Net::SSH::Disconnect => errmsg
  	warn "Gateway : #{errmsg}"
  rescue Net::SSH::AuthenticationFailed => errmsg
  	warn "Gateway : #{errmsg}"
  rescue Errno::ETIMEDOUT => errmsg
  	warn "Gateway : #{errmsg}"
  rescue Errno::ECONNREFUSED => errmsg
  	warn "Gateway : #{errmsg}"
  end

end