diff options
Diffstat (limited to 'lib/fileutils.rb')
-rw-r--r-- | lib/fileutils.rb | 70 |
1 files changed, 50 insertions, 20 deletions
diff --git a/lib/fileutils.rb b/lib/fileutils.rb index 88e28f29d5..fa96599b84 100644 --- a/lib/fileutils.rb +++ b/lib/fileutils.rb @@ -85,9 +85,15 @@ # <tt>:verbose</tt> flags to methods in FileUtils. # +begin + require 'rbconfig' +rescue LoadError + # for make mjit-headers +end + module FileUtils - VERSION = "1.0.2" + VERSION = "1.1.0" def self.private_module_function(name) #:nodoc: module_function name @@ -119,8 +125,9 @@ module FileUtils # def cd(dir, verbose: nil, &block) # :yield: dir fu_output_message "cd #{dir}" if verbose - Dir.chdir(dir, &block) + result = Dir.chdir(dir, &block) fu_output_message 'cd -' if verbose and block + result end module_function :cd @@ -541,7 +548,7 @@ module FileUtils module_function :move def rename_cannot_overwrite_file? #:nodoc: - /emx/ =~ RUBY_PLATFORM + /emx/ =~ RbConfig::CONFIG['host_os'] end private_module_function :rename_cannot_overwrite_file? @@ -681,22 +688,38 @@ module FileUtils unless parent_st.sticky? raise ArgumentError, "parent directory is world writable, FileUtils#remove_entry_secure does not work; abort: #{path.inspect} (parent directory mode #{'%o' % parent_st.mode})" end + # freeze tree root euid = Process.euid - File.open(fullpath + '/.') {|f| - unless fu_stat_identical_entry?(st, f.stat) - # symlink (TOC-to-TOU attack?) - File.unlink fullpath - return - end - f.chown euid, -1 - f.chmod 0700 - unless fu_stat_identical_entry?(st, File.lstat(fullpath)) - # TOC-to-TOU attack? - File.unlink fullpath - return - end - } + dot_file = fullpath + "/." + begin + File.open(dot_file) {|f| + unless fu_stat_identical_entry?(st, f.stat) + # symlink (TOC-to-TOU attack?) + File.unlink fullpath + return + end + f.chown euid, -1 + f.chmod 0700 + } + rescue EISDIR # JRuby in non-native mode can't open files as dirs + File.lstat(dot_file).tap {|fstat| + unless fu_stat_identical_entry?(st, fstat) + # symlink (TOC-to-TOU attack?) + File.unlink fullpath + return + end + File.chown euid, -1, dot_file + File.chmod 0700, dot_file + } + end + + unless fu_stat_identical_entry?(st, File.lstat(fullpath)) + # TOC-to-TOU attack? + File.unlink fullpath + return + end + # ---- tree root is frozen ---- root = Entry_.new(path) root.preorder_traverse do |ent| @@ -797,8 +820,15 @@ module FileUtils # def compare_stream(a, b) bsize = fu_stream_blksize(a, b) - sa = String.new(capacity: bsize) - sb = String.new(capacity: bsize) + + if RUBY_VERSION > "2.4" + sa = String.new(capacity: bsize) + sb = String.new(capacity: bsize) + else + sa = String.new + sb = String.new + end + begin a.read(bsize, sa) b.read(bsize, sb) @@ -1123,7 +1153,7 @@ module FileUtils private def fu_windows? - /mswin|mingw|bccwin|emx/ =~ RUBY_PLATFORM + /mswin|mingw|bccwin|emx/ =~ RbConfig::CONFIG['host_os'] end def fu_copy_stream0(src, dest, blksize = nil) #:nodoc: |