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

    # File lib/drb/acl.rb, line 40
40:     def match(addr)
41:       case @pat[0]
42:       when :all
43:         true
44:       when :ip
45:         begin
46:           ipaddr = IPAddr.new(addr[3])
47:           ipaddr = ipaddr.ipv4_mapped if @pat[1].ipv6? && ipaddr.ipv4?
48:         rescue ArgumentError
49:           return false
50:         end
51:         (@pat[1].include?(ipaddr)) ? true : false
52:       when :name
53:         (@pat[1] =~ addr[2]) ? true : false
54:       else
55:         false
56:       end
57:     end

    # File lib/drb/acl.rb, line 34
34:     def dot_pat(str)
35:       exp = "^" + dot_pat_str(str) + "$"
36:       Regexp.new(exp)
37:     end

    # File lib/drb/acl.rb, line 26
26:     def dot_pat_str(str)
27:       list = str.split('.').collect { |s|
28:         (s == '*') ? '.+' : s
29:       }
30:       list.join("\\.")
31:     end