copiousfreetime

✦✧★✩✪✩✫✬ ★✭ ★✧✮✯✪ ✯✩✰✭✯ ✱✲✳✬ ✴✳✵✪ ✧✶ ✩✷✱ ✩✬ ✸✳✵✶✧✹✺✩✱✳✧✵
✬✮✳✷✳✪✭✻ ✧✹ ✬✧✺✭✱✲✳✵✼ ✽✭✹✫ ✬✧✾✲✳✬✱✳✷✩✱✭✪✿ ✰✭✷✩✮✬✭ ✾✭✧✾✯✭ ✩✹✭ ✺✮✷✲ ✺✧✹✭ ✩★✩✹✭ ✧✶ ✱✲✭ ✳✺✾✧✹✱✩✵✷✭ ✧✶ ✧✵✭✬❀ ✳✪✭✵✱✳✱✳✭✬✿ ✰✮✱
✳✵ ✱✲✧✬✭ ✪✩✫✬ ★✭ ✬✳✺✾✯✫ ✷✩✯✯✭✪ ✳✱ ✸❁✭✹✴✱✧✩✬✱✳✵✼✻ ✩✵✪ ✱✲✭✬✭ ✾✭✧✾✯✭ ✧✵ ✱✲✭ ✬✱✩✼✭ ★✭✹✭ ❁✮✬✱ ✩ ✶✭★ ❁✭✹✴✱✧✩✬✱✭✹✬ ★✲✧ ✼✧✱ ✷✩✮✼✲✱❂ ❃✭ ★✭✹✭ ✶✩✬✷✳✵✩✱✭✪ ✰✫ ✱✲✭✺✿ ✰✭✷✩✮✬✭ ✵✧ ✧✵✭ ✧✶ ✮✬ ✲✩✪ ✭✽✭✹ ✱✲✧✮✼✲✱ ✧✶ ✪✭✯✭✱✳✵✼ ✧✮✹✬✭✯✽✭✬❂ ❄✱ ✬✭✭✺✭✪ ✶✮✱✮✹✳✬✱✳✷
✱✧ ✪✧ ✬✧ ✩✵✪ ✳✱ ✬✭✭✺✭✪ ✱✧ ✭❅✲✳✰✳✱ ★✳✯✯✶✮✯ ✩✵✱✳✾✩✱✲✫ ✱✧ ✪✧ ✬✧✿ ★✲✳✷✲✿ ✳✵ ✩ ★✩✫✿ ✬✧✺✭✲✧★ ✬✭✭✺✬ ❆✮✳✱✭ ✶✮✱✮✹✳✬✱✳✷ ✩✬ ★✭✯✯❂ ❇❃✭ ★✭✹✭ ✩✯✯ ✬✧ ★✧✹✹✳✭✪ ✩✰✧✮✱ ✩ ✪✫✬✱✧✾✳✩✵ ✶✮✱✮✹✭ ✩✱ ✱✲✭ ✱✳✺✭✿ ✩
✶✮✱✮✹✭ ✧✶ ✩✬✬✳✺✳✯✩✱✳✧✵ ✧✹ ✩ ✶✮✱✮✹✭ ✧✶ ✬✮✹✽✭✳✯✯✩✵✷✭✿ ✩✵✪ ✱✲✭✬✭ ✾✭✧✾✯✭ ✲✩✪ ✩✬✬✳✺✳✯✩✱✭✪ ✱✲✭✺✬✭✯✽✭✬✿ ✯✧✬✱ ✱✲✭✺✬✭✯✽✭✬✿ ✳✵ ✩ ✬✱✫✯✭
✶✩✹ ✺✧✹✭ ✭✶✶✭✷✱✳✽✭ ✱✲✩✵ ✱✲✭ ✼✧✽✭✹✵✺✭✵✱ ✷✧✮✯✪ ✪✹✭✩✺❂❈ ❉✶ ✷✧✮✹✬✭✿ ❉✾✹✩✲ ★✩✵✱✭✪ ✱✧ ✷✮✱ ✹✳✼✲✱ ✱✧ ✱✲✭ ✰✧✱✱✧✺ ✧✶ ✱✲✳✵✼✬ ✩✵✪ ✬✲✭ ✬✱✹✩✳✼✲✱ ✮✾ ✩✬✴✭✪ ✱✲✭✺✿ ✸❃✲✫ ✪✧ ✱✲✳✬❊ ❃✲✫ ✪✧ ✩✯✯ ✱✲✳✬ ★✧✹✴✿ ✱✲✳✬ ✳✬ ✫✭✩✹✬ ✩✵✪ ✫✭✩✹✬ ✧✶ ★✧✹✴✿ ★✲✫ ✪✧ ✱✲✳✬ ❁✮✬✱ ✱✧
✭✹✩✬✭ ✫✧✮✹✬✭✯✽✭✬ ✶✹✧✺ ✬✧✷✳✭✱✫❊✻
❋✲✭ ✾✭✧✾✯✭ ✳✵ ✱✲✭ ✪✩✹✴ ✬✲✳✶✱✭✪ ✩ ✰✳✱✿ 

copiousfreetime

# Given an input of a base64 encoded numuber and you want to compare it to the
# then hex version of the number
base64val = "H6Xnkk0Y+SXZEGoKf6Yk9gGeBOw="
hexval    = "1fa5e7924d18f925d9106a0a7fa624f6019e04ec"

converted = base64val.unpack("m*").first      # unpack into a binary blob
                     .unpack("C*")            # upack each byte into an int
                     .map { |x| "%02x" % x }  # hex notation with leading 0
                     .join                    # join back to a single string

copiousfreetime

ruby_version()
{
  local rv=

  if test -n "${RUBY_ROOT}"
  then
    rv=$(basename ${RUBY_ROOT})
  else
    rv="system"
  fi

copiousfreetime

Links for 2013-01-15 Boulder Ruby meeting

Announcements to rubyonrails-security

• CVE-2012-5664 - SQL Inection Vulnerability
• CVE-2013-0155 - Unsafe Query Generation
• CVE-2013-0156 - Multiple vulnerabilities in parameter parsing in Action Pack

Analysis blog posts

copiousfreetime

javac -classpath /Users/jeremy/.rvm/rubies/jruby-1.7.2/lib/jruby.jar -Xlint:deprecation -d pkg/classes ext/java/src/hitimes/Hitimes.java ext/java/src/hitimes/HitimesInterval.java ext/java/src/hitimes/HitimesService.java ext/java/src/hitimes/HitimesStats.java
ext/java/src/hitimes/Hitimes.java:45: warning: [deprecation] fastGetModule(java.lang.String) in org.jruby.Ruby has been deprecated
        RubyClass errorClass = runtime.fastGetModule("Hitimes").fastGetClass( "Error" );
                                      ^
ext/java/src/hitimes/Hitimes.java:45: warning: [deprecation] fastGetClass(java.lang.String) in org.jruby.RubyModule has been deprecated
        RubyClass errorClass = runtime.fastGetModule("Hitimes").fastGetClass( "Error" );
                                                               ^

copiousfreetime

jeremy@feather:~/repos/git/maglev ruby-1.9.3-p327 master % ./install.sh 
[Info] Configuring feather.local to run MagLev
Password:
Tue Nov 27 23:34:46 CET 2012
[Info] Setting up shared memory
  Total memory available is 4096 MB
  Max shared memory segment size is 2048 MB
  Max shared memory allowed is 2048 MB
[Info] No need to increase max shared memory segment size
[Info] No need to increase max shared memory allowed

copiousfreetime

#!/usr/bin/env ruby
#
# Calculate I/O stats from the output of 'iostat -x'
#
# This is to take the output from 'iostat -x' and receive it on stdin.
#
#   % iostat -x | ./report.rb
#
fields = {
  'rrqm/s'   => 1,

copiousfreetime

module MyApp
  class Config
    include ::Yacl::Configurable::Application

    class Defaults
      extend ::Yacl::Define::Defaults
      default 'archive.uri'    , 'http://archive.collectiveintellect.com'
      default 'messaging.uri'  , 'kestrel://messaging1.collectiveintellect.com:2229/'
      default 'messaging.queue', 'frankensnip'
      default 'system'         , 'pipeline_main'

copiousfreetime

#!/usr/bin/env ruby
#
require 'rubygems'
require 'rubygems/dependency'

a = Gem::Dependency.new( "main", "~> 4.6.0")
b = Gem::Dependency.new( "mail", "~> 2.2.19" )

print "#{RUBY_DESCRIPTION} : "
if a.hash == b.hash then

copiousfreetime

#!/usr/bin/env ruby

require 'rubygems'
require "benchmark"
require 'map'
require 'digest/md5'
require 'hashr'
require 'hashie'

def keys( count, start = 'aaaaaa' )