# File lib/drb/acl.rb, line 13
13:     def initialize(str)
14:       if str == '*' or str == 'all'
15:         @pat = [:all]
16:       elsif str.include?('*')
17:         @pat = [:name, dot_pat(str)]
18:       else
19:         begin
20:           @pat = [:ip, IPAddr.new(str)]
21:         rescue ArgumentError
22:           @pat = [:name, dot_pat(str)]
23:         end
24:       end
25:     end

    # File lib/drb/acl.rb, line 42
42:     def match(addr)
43:       case @pat[0]
44:       when :all
45:         true
46:       when :ip
47:         begin
48:           ipaddr = IPAddr.new(addr[3])
49:           ipaddr = ipaddr.ipv4_mapped if @pat[1].ipv6? && ipaddr.ipv4?
50:         rescue ArgumentError
51:           return false
52:         end
53:         (@pat[1].include?(ipaddr)) ? true : false
54:       when :name
55:         (@pat[1] =~ addr[2]) ? true : false
56:       else
57:         false
58:       end
59:     end

    # File lib/drb/acl.rb, line 36
36:     def dot_pat(str)
37:       exp = "^" + dot_pat_str(str) + "$"
38:       Regexp.new(exp)
39:     end

    # File lib/drb/acl.rb, line 28
28:     def dot_pat_str(str)
29:       list = str.split('.').collect { |s|
30:         (s == '*') ? '.+' : s
31:       }
32:       list.join("\\.")
33:     end