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Filename :
native_support.rb
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# Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2010-2018 Phusion Holding B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Phusion Holding B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. PhusionPassenger.require_passenger_lib 'constants' module PhusionPassenger class NativeSupportLoader def self.supported? return !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby" || RUBY_ENGINE == "rbx" end def try_load if defined?(NativeSupport) return true else load_from_native_support_output_dir || load_from_buildout_dir || load_from_load_path || load_from_home_dir end end def start if ENV['PASSENGER_USE_RUBY_NATIVE_SUPPORT'] == '0' STDERR.puts " [#{library_name}] will not be used (PASSENGER_USE_RUBY_NATIVE_SUPPORT=0)" STDERR.puts " --> Passenger will still operate normally." return false elsif try_load return true elsif compile_and_load || download_binary_and_load STDERR.puts " [#{library_name}] successfully loaded." return true else STDERR.puts " [#{library_name}] will not be used (can't compile or download) " STDERR.puts " --> Passenger will still operate normally." return false end end private def archdir @archdir ||= begin PhusionPassenger.require_passenger_lib 'platform_info/binary_compatibility' PlatformInfo.ruby_extension_binary_compatibility_id end end def libext @libext ||= begin PhusionPassenger.require_passenger_lib 'platform_info/operating_system' PlatformInfo.library_extension end end def library_name return "passenger_native_support.#{libext}" end def extconf_rb File.join(PhusionPassenger.ruby_extension_source_dir, "extconf.rb") end def load_from_native_support_output_dir # Quick workaround for people suffering from # https://code.google.com/p/phusion-passenger/issues/detail?id=865 output_dir = ENV['PASSENGER_NATIVE_SUPPORT_OUTPUT_DIR'] if output_dir && !output_dir.empty? begin return load_native_extension("#{output_dir}/#{VERSION_STRING}/#{archdir}/#{library_name}") rescue LoadError return false end else return false end end def load_from_buildout_dir if PhusionPassenger.build_system_dir begin return load_native_extension("#{PhusionPassenger.build_system_dir}/buildout/ruby/#{archdir}/#{library_name}") rescue LoadError return false end else return false end end def load_from_load_path return load_native_extension('passenger/passenger_native_support') rescue LoadError return false end def load_from_home_dir begin return load_native_extension("#{PhusionPassenger.home_dir}/#{USER_NAMESPACE_DIRNAME}/native_support/#{VERSION_STRING}/#{archdir}/#{library_name}") rescue LoadError return false end end def download_binary_and_load if !PhusionPassenger.installed_from_release_package? STDERR.puts " [#{library_name}] not downloading because passenger wasn't installed from a release package" return end if ENV['PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY'] == '0' STDERR.puts " [#{library_name}] not downloading because PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY=0" return end STDERR.puts " [#{library_name}] finding downloads for the current Ruby interpreter..." STDERR.puts " (set PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY=0 to disable)" require 'logger' PhusionPassenger.require_passenger_lib 'platform_info/ruby' PhusionPassenger.require_passenger_lib 'utils/tmpio' PhusionPassenger.require_passenger_lib 'utils/download' PhusionPassenger.require_passenger_lib 'utils/shellwords' PhusionPassenger::Utils.mktmpdir("passenger-native-support-") do |dir| Dir.chdir(dir) do basename = "rubyext-#{archdir}.tar.gz" if !download(basename, dir, :total_timeout => 30) return false end s_basename = Shellwords.escape(basename) sh "tar xzf #{s_basename}" sh "rm -f #{s_basename}" STDERR.puts " Checking whether downloaded binary is usable..." File.open("test.rb", "w") do |f| f.puts(%Q{ require File.expand_path('passenger_native_support') f = File.open("test.txt", "w") PhusionPassenger::NativeSupport.writev(f.fileno, ["hello", "\n"]) }) end if sh_nonfatal("#{PlatformInfo.ruby_command} -I. test.rb") && File.exist?("test.txt") && File.read("test.txt") == "hello\n" STDERR.puts " Binary is usable." File.unlink("test.rb") File.unlink("test.txt") result = try_directories(installation_target_dirs) do |target_dir| files = Dir["#{dir}/*"] STDERR.puts " Installing " + files.map{ |n| File.basename(n) }.join(' ') FileUtils.cp(files, target_dir) load_result = load_native_extension("#{target_dir}/#{library_name}") [load_result, false] end return result else STDERR.puts " Binary is not usable." return false end end end end def compile_and_load if ENV['PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY'] == '0' STDERR.puts " [#{library_name}] not compiling because PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0" return false end if PhusionPassenger.custom_packaged? && !File.exist?(PhusionPassenger.ruby_extension_source_dir) PhusionPassenger.require_passenger_lib 'constants' STDERR.puts " [#{library_name}] not found for current Ruby interpreter." case PhusionPassenger.packaging_method when 'deb' STDERR.puts " This library provides various optimized routines that make" STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} faster. Please run 'sudo apt-get install #{PhusionPassenger::DEB_DEV_PACKAGE}'" STDERR.puts " so that #{PhusionPassenger::PROGRAM_NAME} can compile one on the next run." when 'rpm' STDERR.puts " This library provides various optimized routines that make" STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} faster. Please run 'sudo yum install #{PhusionPassenger::RPM_DEV_PACKAGE}-#{PhusionPassenger::VERSION_STRING}'" STDERR.puts " so that #{PhusionPassenger::PROGRAM_NAME} can compile one on the next run." else STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} can compile one, but an extra package must be installed" STDERR.puts " first. Please ask your packager or operating system vendor for instructions." end return false end STDERR.puts " [#{library_name}] trying to compile for the current user (#{current_user_name_or_id}) and Ruby interpreter..." STDERR.puts " (set PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0 to disable)" require 'fileutils' PhusionPassenger.require_passenger_lib 'utils/shellwords' PhusionPassenger.require_passenger_lib 'platform_info/ruby' target_dir = compile(installation_target_dirs) if target_dir return load_native_extension("#{target_dir}/#{library_name}") else return false end end # Name of the user under which we are executing, or the id as fallback # N.B. loader_shared_helpers.rb has the same method def current_user_name_or_id require 'etc' if !defined?(Etc) begin user = Etc.getpwuid(Process.uid) rescue ArgumentError user = nil end if user return user.name else return "##{Process.uid}" end end def installation_target_dirs target_dirs = [] if (output_dir = ENV['PASSENGER_NATIVE_SUPPORT_OUTPUT_DIR']) && !output_dir.empty? target_dirs << "#{output_dir}/#{VERSION_STRING}/#{archdir}" end if PhusionPassenger.build_system_dir target_dirs << "#{PhusionPassenger.build_system_dir}/buildout/ruby/#{archdir}" end target_dirs << "#{PhusionPassenger.home_dir}/#{USER_NAMESPACE_DIRNAME}/native_support/#{VERSION_STRING}/#{archdir}" return target_dirs end def download(name, output_dir, options = {}) logger = Logger.new(STDERR) logger.level = Logger::WARN logger.formatter = proc do |severity, datetime, progname, msg| msg.gsub(/^/, " ") + "\n" end sites = PhusionPassenger.binaries_sites sites.each_with_index do |site, i| if real_download(site, name, output_dir, logger, options) logger.warn "Download OK!" if i > 0 return true elsif i != sites.size - 1 logger.warn "Trying next mirror..." end end return false end def real_download(site, name, output_dir, logger, options) if site[:url].include?('{{VERSION}}') url = site[:url].gsub('{{VERSION}}', VERSION_STRING) + "/#{name}" else url = "#{site[:url]}/#{VERSION_STRING}/#{name}" end filename = "#{output_dir}/#{name}" real_options = options.merge( :cacert => site[:cacert], :use_cache => true, :logger => logger ) return PhusionPassenger::Utils::Download.download(url, filename, real_options) end def log(message, options = {}) if logger = options[:logger] logger.puts(message) else STDERR.puts " #{message}" end end def mkdir(dir, options = {}) begin log("# mkdir -p #{dir}", options) FileUtils.mkdir_p(dir) rescue Errno::EEXIST end end def sh(command_string) if !sh_nonfatal(command_string) raise "Could not compile #{library_name} (\"#{command_string}\" failed)" end end def sh_nonfatal(command_string, options = {}) log("# #{command_string}", options) if logger = options[:logger] s_logpath = Shellwords.escape(logger.path) return system("(#{command_string}) >>#{s_logpath} 2>&1") else Utils.mktmpdir("passenger-native-support-") do |tmpdir| s_tmpdir = Shellwords.escape(tmpdir) result = system("(#{command_string}) >#{s_tmpdir}/log 2>&1") system("cat #{s_tmpdir}/log | sed 's/^/ /' >&2") return result end end end def compile(target_dirs) logger = Utils::TmpIO.new('passenger_native_support', :mode => File::WRONLY | File::APPEND, :binary => false, :suffix => ".log", :unlink_immediately => false) options = { :logger => logger } begin result = try_directories(target_dirs, options) do |target_dir| make_result = nil # Perform the actual compilation in a temporary directory to avoid # problems with multiple processes trying to concurrently compile. # https://github.com/phusion/passenger/issues/1570 PhusionPassenger::Utils.mktmpdir("passenger-native-support-") do |tmpdir| Dir.chdir(tmpdir) do make_result = sh_nonfatal("#{PlatformInfo.ruby_command} #{Shellwords.escape extconf_rb}", options) && sh_nonfatal("make", options) if make_result begin FileUtils.cp_r(".", target_dir) rescue SystemCallError => e log("Error: #{e}") make_result = false end end end end if make_result log "Compilation successful. The logs are here:" log logger.path [target_dir, false] else [nil, false] end end if !result log "Warning: compilation didn't succeed. To learn why, read this file:" log logger.path end return result end ensure logger.close if logger end def try_directories(dirs, options = {}) result = nil log("# current user is: #{current_user_name_or_id}", options) dirs.each_with_index do |dir, i| begin mkdir(dir, options) File.open("#{dir}/.permission_test", "w").close File.unlink("#{dir}/.permission_test") log("# cd #{dir}", options) Dir.chdir(dir) do result, should_retry = yield(dir) return result if !should_retry end rescue Errno::EACCES # If we encountered a permission error, then try # the next target directory. If we get a permission # error on the last one too then propagate the # exception. if i == dirs.size - 1 log("Encountered permission error, " + "but no more directories to try. Giving up.", options) log("-------------------------------", options) return nil else log("Encountered permission error, " + "trying a different directory...", options) log("-------------------------------", options) end rescue Errno::ENOTDIR # This can occur when locations.ini set build_system_dir # to an invalid path. Just ignore this error. if i == dirs.size - 1 log("Not a valid directory, " + "but no more directories to try. Giving up.", options) log("-------------------------------", options) return nil else log("Not a valid directory. Trying a different one...", options) log("-------------------------------", options) end end end end def load_native_extension(name_or_filename) # If passenger_native_support.so exited because it detected that it was compiled # for a different Ruby version, then subsequent require("passenger_native_support") # calls will do nothing. So we remove passenger_native_support from $LOADED_FEATURES # to force it to be loaded. $LOADED_FEATURES.reject! { |fn| File.basename(fn) == library_name } begin require(name_or_filename) return defined?(PhusionPassenger::NativeSupport) rescue LoadError => e begin s = e.to_s s = s.encode("US-ASCII", :invalid => :replace) if s.respond_to?(:encode) if s =~ /dlopen/ # Print dlopen failures. We're not interested in any other # kinds of failures, such as file-not-found. puts s.gsub(/^/, " ") end return false rescue EncodingError end end end end end # module PhusionPassenger if PhusionPassenger::NativeSupportLoader.supported? PhusionPassenger::NativeSupportLoader.new.start end