ch1c0t

modules = ObjectSpace.each_object(Module).reject { |m| m.is_a? Class }
p modules.map { |m| m.to_s }
p modules.size

ch1c0t

module Hobby
  class Test
    class Report
      def initialize exchanges
        @exchanges = exchanges
      end

      def ok?
        @exchanges.all? &:passed?
      end

ch1c0t

module Hobby
  class Test
    class Report
      def initialize(exchanges)
        @exchanges = self
      end
    end
  end
end

ch1c0t

- rspec:0:./spec/http_spec.rb:8/Hobby::JSON #<Hobby::Test:0x00000002f60818> works                                               
[0/1897]
evil:Hobby::JSON.included:/home/ch1c0t/sources/ruby/hobby-json/lib/hobby/json.rb:6:581f7
@@ -1,5 +1,5 @@
-def self.included(app)
+def self.included
   app.use(Rack::ContentType, "application/json")
   app.response = Response
 end
-----------------------

ch1c0t

- rspec:0:./spec/http_spec.rb:8/Hobby::JSON #<Hobby::Test:0x00000003018e40> works
evil:Hobby::JSON.included:/home/ch1c0t/sources/ruby/hobby-json/lib/hobby/json.rb:6:581f7
@@ -1,5 +1,5 @@
-def self.included(app)
+def self.included
   app.use(Rack::ContentType, "application/json")
   app.response = Response
 end
-----------------------
Mutant configuration:

ch1c0t

module Hobby
  module Auth
    def self.[] *users
      Module.new do
        define_singleton_method :included do |app|
          users.each do |user|
            app.define_singleton_method user.downcase do |route|
              action = route.action
              route.action = -> do
                if user = (user.find_by_token request.headers['Authorization'])

ch1c0t

TRACE_POINTS = []
TRACE = TracePoint.new :return, :c_return do |t|
  TRACE_POINTS << [t.event, t.path, t.lineno, t.binding, t.defined_class, t.method_id, t.return_value]
end

def Trace
  TRACE_POINTS.clear
  TRACE.enable
  yield
  TRACE.disable

ch1c0t

curl https://rubygems.org/api/v1/gems/method_source/reverse_dependencies.json

ch1c0t

# http://eli.thegreenplace.net/2011/09/29/an-interesting-tree-serialization-algorithm-from-dwarf

def load array
  root = Node.new array.shift.first
  stack = [root]

  array.each do |pair|
    if pair.nil?
      stack.pop
    else

ch1c0t

#define _GNU_SOURCE
#include <dlfcn.h>
#include <unistd.h>
#include <stdio.h>

typedef int (*LibcStartMainFnType)(int (*main)(int, char **, char **), int argc, char **argv,
                                   int (*init)(void), void (*fini)(void),
                                   void (*ldso_fini)(void), void (*stack_end));

int __libc_start_main(int (*main)(int, char **, char **), int argc, char **argv,