# File lib/god/process.rb, line 26 def file_writable?(file) pid = fork do uid_num = Etc.getpwnam(self.uid).uid if self.uid gid_num = Etc.getgrnam(self.gid).gid if self.gid ::Dir.chroot(self.chroot) if self.chroot ::Process.groups = [gid_num] if self.gid ::Process::Sys.setgid(gid_num) if self.gid ::Process::Sys.setuid(uid_num) if self.uid File.writable?(file_in_chroot(file)) ? exit(0) : exit(1) end wpid, status = ::Process.waitpid2(pid) status.exitstatus == 0 ? true : false end