metasploit-framework/config/boot.rb

102 lines
3.2 KiB
Ruby

require 'pathname'
require 'rubygems'
GEMFILE_EXTENSIONS = [
'.local',
''
]
msfenv_real_pathname = Pathname.new(__FILE__).realpath
root = msfenv_real_pathname.parent.parent
unless ENV['BUNDLE_GEMFILE']
require 'pathname'
GEMFILE_EXTENSIONS.each do |extension|
extension_pathname = root.join("Gemfile#{extension}")
if extension_pathname.readable?
ENV['BUNDLE_GEMFILE'] = extension_pathname.to_path
break
end
end
end
begin
require 'bundler/setup'
rescue LoadError => e
$stderr.puts "[*] Bundler failed to load and returned this error:"
$stderr.puts
$stderr.puts " '#{e}'"
$stderr.puts
$stderr.puts "[*] You may need to uninstall or upgrade bundler"
exit(1)
end
lib_path = root.join('lib').to_path
unless $LOAD_PATH.include? lib_path
$LOAD_PATH.unshift lib_path
end
require 'digest'
require 'metasploit/framework/version'
require 'msf/base/config'
# Invalidate and delete the bootsnap cache if required. For instance if the metasploit-framework version has changed.
#
# @param [Hash] bootsnap_config See https://github.com/Shopify/bootsnap/blob/95e8d170aea99a831fd484ce09ad2f195644e740/lib/bootsnap.rb#L38
# @return [void]
def invalidate_bootsnap_cache!(bootsnap_config)
expected_cache_metadata = {
'metasploit_framework_version' => Metasploit::Framework::Version::VERSION,
'ruby_description' => RUBY_DESCRIPTION,
'bundler_lockfile_hash' => Digest::MD5.hexdigest(Bundler.read_file(Bundler.default_lockfile)),
'bootsnap_config' => {
'load_path_cache' => bootsnap_config[:load_path_cache],
'compile_cache_iseq' => bootsnap_config[:compile_cache_iseq],
'compile_cache_yaml' => bootsnap_config[:compile_cache_yaml],
}
}
cache_metadata_path = File.join(bootsnap_config[:cache_dir], "metadata.yaml")
if File.exist?(cache_metadata_path)
cache_metadata = YAML.safe_load(File.binread(cache_metadata_path))
if cache_metadata != expected_cache_metadata
FileUtils.rm_rf(bootsnap_config[:cache_dir], secure: true)
end
end
FileUtils.mkdir_p(bootsnap_config[:cache_dir])
File.binwrite(cache_metadata_path, expected_cache_metadata.to_yaml)
nil
end
# Attempt to use bootsnap caching for improved startup time
begin
require 'bootsnap'
env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || ENV['ENV']
development_mode = ['', nil, 'development'].include?(env)
cache_dir = ::File.join(Msf::Config.config_directory, "bootsnap_cache")
bootsnap_config = {
cache_dir: cache_dir,
ignore_directories: [],
development_mode: development_mode,
load_path_cache: true, # Optimize the LOAD_PATH with a cache
compile_cache_iseq: false, # Don't compile Ruby code into ISeq cache, breaks coverage reporting.
compile_cache_yaml: false, # Don't compile YAML into a cache
readonly: false, # Update caches - https://github.com/Shopify/bootsnap/commit/b51397f96c33aa421fd5c29484fb9574df9eb451
}
invalidate_bootsnap_cache!(bootsnap_config)
Bootsnap.setup(**bootsnap_config)
rescue => e
$stderr.puts "Warning: Failed bootsnap cache setup - #{e.class} #{e} #{e.backtrace}"
begin
FileUtils.rm_rf(cache_dir, secure: true)
rescue
$stderr.puts 'Warning: Failed deleting bootsnap cache'
end
end