1 | #
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2 | # ipaddr.rb - A class to manipulate an IP address
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3 | #
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4 | # Copyright (c) 2002 Hajimu UMEMOTO <[email protected]>.
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5 | # All rights reserved.
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6 | #
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7 | # You can redistribute and/or modify it under the same terms as Ruby.
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8 | #
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9 | # $Id: ipaddr.rb 11708 2007-02-12 23:01:19Z shyouhei $
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10 | #
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11 | # TODO:
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12 | # - scope_id support
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13 | require 'socket'
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14 |
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15 | unless Socket.const_defined? "AF_INET6"
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16 | class Socket
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17 | AF_INET6 = Object.new
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18 | end
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19 |
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20 | class << IPSocket
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21 | def valid_v4?(addr)
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22 | if /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/ =~ addr
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23 | return $~.captures.all? {|i| i.to_i < 256}
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24 | end
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25 | return false
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26 | end
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27 |
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28 | def valid_v6?(addr)
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29 | # IPv6 (normal)
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30 | return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*\Z/ =~ addr
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31 | return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*)?\Z/ =~ addr
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32 | return true if /\A::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*)?\Z/ =~ addr
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33 | # IPv6 (IPv4 compat)
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34 | return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:/ =~ addr && valid_v4?($')
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35 | return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:)?/ =~ addr && valid_v4?($')
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36 | return true if /\A::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:)?/ =~ addr && valid_v4?($')
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37 |
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38 | false
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39 | end
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40 |
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41 | def valid?(addr)
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42 | valid_v4?(addr) || valid_v6?(addr)
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43 | end
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44 |
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45 | alias getaddress_orig getaddress
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46 | def getaddress(s)
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47 | if valid?(s)
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48 | s
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49 | elsif /\A[-A-Za-z\d.]+\Z/ =~ s
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50 | getaddress_orig(s)
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51 | else
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52 | raise ArgumentError, "invalid address"
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53 | end
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54 | end
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55 | end
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56 | end
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57 |
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58 | # IPAddr provides a set of methods to manipulate an IP address. Both IPv4 and
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59 | # IPv6 are supported.
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60 | #
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61 | # == Example
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62 | #
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63 | # require 'ipaddr'
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64 | #
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65 | # ipaddr1 = IPAddr.new "3ffe:505:2::1"
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66 | #
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67 | # p ipaddr1 #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0001/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>
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68 | #
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69 | # p ipaddr1.to_s #=> "3ffe:505:2::1"
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70 | #
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71 | # ipaddr2 = ipaddr1.mask(48) #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000>
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72 | #
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73 | # p ipaddr2.to_s #=> "3ffe:505:2::"
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74 | #
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75 | # ipaddr3 = IPAddr.new "192.168.2.0/24"
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76 | #
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77 | # p ipaddr3 #=> #<IPAddr: IPv4:192.168.2.0/255.255.255.0>
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78 |
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79 | class IPAddr
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80 |
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81 | IN4MASK = 0xffffffff
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82 | IN6MASK = 0xffffffffffffffffffffffffffffffff
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83 | IN6FORMAT = (["%.4x"] * 8).join(':')
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84 |
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85 | # Returns the address family of this IP address.
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86 | attr :family
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87 |
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88 | # Creates a new ipaddr containing the given network byte ordered
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89 | # string form of an IP address.
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90 | def IPAddr::new_ntoh(addr)
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91 | return IPAddr.new(IPAddr::ntop(addr))
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92 | end
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93 |
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94 | # Convert a network byte ordered string form of an IP address into
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95 | # human readable form.
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96 | def IPAddr::ntop(addr)
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97 | case addr.size
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98 | when 4
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99 | s = addr.unpack('C4').join('.')
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100 | when 16
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101 | s = IN6FORMAT % addr.unpack('n8')
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102 | else
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103 | raise ArgumentError, "unsupported address family"
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104 | end
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105 | return s
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106 | end
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107 |
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108 | # Returns a new ipaddr built by bitwise AND.
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109 | def &(other)
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110 | return self.clone.set(@addr & other.to_i)
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111 | end
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112 |
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113 | # Returns a new ipaddr built by bitwise OR.
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114 | def |(other)
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115 | return self.clone.set(@addr | other.to_i)
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116 | end
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117 |
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118 | # Returns a new ipaddr built by bitwise right-shift.
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119 | def >>(num)
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120 | return self.clone.set(@addr >> num)
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121 | end
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122 |
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123 | # Returns a new ipaddr built by bitwise left shift.
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124 | def <<(num)
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125 | return self.clone.set(addr_mask(@addr << num))
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126 | end
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127 |
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128 | # Returns a new ipaddr built by bitwise negation.
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129 | def ~
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130 | return self.clone.set(addr_mask(~@addr))
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131 | end
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132 |
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133 | # Returns true if two ipaddr are equal.
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134 | def ==(other)
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135 | if other.kind_of?(IPAddr) && @family != other.family
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136 | return false
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137 | end
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138 | return (@addr == other.to_i)
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139 | end
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140 |
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141 | # Returns a new ipaddr built by masking IP address with the given
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142 | # prefixlen/netmask. (e.g. 8, 64, "255.255.255.0", etc.)
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143 | def mask(prefixlen)
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144 | return self.clone.mask!(prefixlen)
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145 | end
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146 |
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147 | # Returns true if the given ipaddr is in the range.
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148 | #
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149 | # e.g.:
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150 | # require 'ipaddr'
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151 | # net1 = IPAddr.new("192.168.2.0/24")
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152 | # p net1.include?(IPAddr.new("192.168.2.0")) #=> true
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153 | # p net1.include?(IPAddr.new("192.168.2.255")) #=> true
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154 | # p net1.include?(IPAddr.new("192.168.3.0")) #=> false
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155 | def include?(other)
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156 | if ipv4_mapped?
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157 | if (@mask_addr >> 32) != 0xffffffffffffffffffffffff
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158 | return false
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159 | end
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160 | mask_addr = (@mask_addr & IN4MASK)
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161 | addr = (@addr & IN4MASK)
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162 | family = Socket::AF_INET
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163 | else
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164 | mask_addr = @mask_addr
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165 | addr = @addr
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166 | family = @family
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167 | end
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168 | if other.kind_of?(IPAddr)
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169 | if other.ipv4_mapped?
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170 | other_addr = (other.to_i & IN4MASK)
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171 | other_family = Socket::AF_INET
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172 | else
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173 | other_addr = other.to_i
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174 | other_family = other.family
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175 | end
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176 | else # Not IPAddr - assume integer in same family as us
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177 | other_addr = other.to_i
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178 | other_family = family
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179 | end
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180 |
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181 | if family != other_family
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182 | return false
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183 | end
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184 | return ((addr & mask_addr) == (other_addr & mask_addr))
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185 | end
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186 | alias === include?
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187 |
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188 | # Returns the integer representation of the ipaddr.
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189 | def to_i
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190 | return @addr
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191 | end
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192 |
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193 | # Returns a string containing the IP address representation.
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194 | def to_s
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195 | str = to_string
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196 | return str if ipv4?
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197 |
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198 | str.gsub!(/\b0{1,3}([\da-f]+)\b/i, '\1')
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199 | loop do
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200 | break if str.sub!(/\A0:0:0:0:0:0:0:0\Z/, '::')
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201 | break if str.sub!(/\b0:0:0:0:0:0:0\b/, ':')
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202 | break if str.sub!(/\b0:0:0:0:0:0\b/, ':')
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203 | break if str.sub!(/\b0:0:0:0:0\b/, ':')
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204 | break if str.sub!(/\b0:0:0:0\b/, ':')
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205 | break if str.sub!(/\b0:0:0\b/, ':')
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206 | break if str.sub!(/\b0:0\b/, ':')
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207 | break
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208 | end
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209 | str.sub!(/:{3,}/, '::')
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210 |
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211 | if /\A::(ffff:)?([\da-f]{1,4}):([\da-f]{1,4})\Z/i =~ str
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212 | str = sprintf('::%s%d.%d.%d.%d', $1, $2.hex / 256, $2.hex % 256, $3.hex / 256, $3.hex % 256)
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213 | end
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214 |
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215 | str
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216 | end
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217 |
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218 | # Returns a string containing the IP address representation in
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219 | # canonical form.
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220 | def to_string
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221 | return _to_string(@addr)
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222 | end
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223 |
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224 | # Returns a network byte ordered string form of the IP address.
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225 | def hton
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226 | case @family
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227 | when Socket::AF_INET
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228 | return [@addr].pack('N')
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229 | when Socket::AF_INET6
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230 | return (0..7).map { |i|
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231 | (@addr >> (112 - 16 * i)) & 0xffff
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232 | }.pack('n8')
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233 | else
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234 | raise "unsupported address family"
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235 | end
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236 | end
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237 |
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238 | # Returns true if the ipaddr is an IPv4 address.
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239 | def ipv4?
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240 | return @family == Socket::AF_INET
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241 | end
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242 |
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243 | # Returns true if the ipaddr is an IPv6 address.
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244 | def ipv6?
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245 | return @family == Socket::AF_INET6
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246 | end
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247 |
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248 | # Returns true if the ipaddr is an IPv4-mapped IPv6 address.
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249 | def ipv4_mapped?
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250 | return ipv6? && (@addr >> 32) == 0xffff
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251 | end
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252 |
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253 | # Returns true if the ipaddr is an IPv4-compatible IPv6 address.
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254 | def ipv4_compat?
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255 | if !ipv6? || (@addr >> 32) != 0
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256 | return false
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257 | end
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258 | a = (@addr & IN4MASK)
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259 | return a != 0 && a != 1
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260 | end
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261 |
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262 | # Returns a new ipaddr built by converting the native IPv4 address
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263 | # into an IPv4-mapped IPv6 address.
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264 | def ipv4_mapped
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265 | if !ipv4?
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266 | raise ArgumentError, "not an IPv4 address"
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267 | end
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268 | return self.clone.set(@addr | 0xffff00000000, Socket::AF_INET6)
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269 | end
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270 |
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271 | # Returns a new ipaddr built by converting the native IPv4 address
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272 | # into an IPv4-compatible IPv6 address.
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273 | def ipv4_compat
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274 | if !ipv4?
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275 | raise ArgumentError, "not an IPv4 address"
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276 | end
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277 | return self.clone.set(@addr, Socket::AF_INET6)
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278 | end
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279 |
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280 | # Returns a new ipaddr built by converting the IPv6 address into a
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281 | # native IPv4 address. If the IP address is not an IPv4-mapped or
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282 | # IPv4-compatible IPv6 address, returns self.
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283 | def native
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284 | if !ipv4_mapped? && !ipv4_compat?
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285 | return self
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286 | end
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287 | return self.clone.set(@addr & IN4MASK, Socket::AF_INET)
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288 | end
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289 |
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290 | # Returns a string for DNS reverse lookup. It returns a string in
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291 | # RFC3172 form for an IPv6 address.
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292 | def reverse
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293 | case @family
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294 | when Socket::AF_INET
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295 | return _reverse + ".in-addr.arpa"
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296 | when Socket::AF_INET6
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297 | return ip6_arpa
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298 | else
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299 | raise "unsupported address family"
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300 | end
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301 | end
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302 |
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303 | # Returns a string for DNS reverse lookup compatible with RFC3172.
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304 | def ip6_arpa
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305 | if !ipv6?
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306 | raise ArgumentError, "not an IPv6 address"
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307 | end
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308 | return _reverse + ".ip6.arpa"
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309 | end
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310 |
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311 | # Returns a string for DNS reverse lookup compatible with RFC1886.
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312 | def ip6_int
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313 | if !ipv6?
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314 | raise ArgumentError, "not an IPv6 address"
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315 | end
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316 | return _reverse + ".ip6.int"
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317 | end
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318 |
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319 | # Returns a string containing a human-readable representation of the
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320 | # ipaddr. ("#<IPAddr: family:address/mask>")
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321 | def inspect
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322 | case @family
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323 | when Socket::AF_INET
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324 | af = "IPv4"
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325 | when Socket::AF_INET6
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326 | af = "IPv6"
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327 | else
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328 | raise "unsupported address family"
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329 | end
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330 | return sprintf("#<%s: %s:%s/%s>", self.class.name,
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331 | af, _to_string(@addr), _to_string(@mask_addr))
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332 | end
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333 |
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334 | protected
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335 |
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336 | def set(addr, *family)
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337 | case family[0] ? family[0] : @family
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338 | when Socket::AF_INET
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339 | if addr < 0 || addr > IN4MASK
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340 | raise ArgumentError, "invalid address"
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341 | end
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342 | when Socket::AF_INET6
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343 | if addr < 0 || addr > IN6MASK
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344 | raise ArgumentError, "invalid address"
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345 | end
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346 | else
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347 | raise ArgumentError, "unsupported address family"
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348 | end
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349 | @addr = addr
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350 | if family[0]
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351 | @family = family[0]
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352 | end
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353 | return self
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354 | end
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355 |
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356 | def mask!(mask)
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357 | if mask.kind_of?(String)
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358 | if mask =~ /^\d+$/
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359 | prefixlen = mask.to_i
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360 | else
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361 | m = IPAddr.new(mask)
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362 | if m.family != @family
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363 | raise ArgumentError, "address family is not same"
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364 | end
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365 | @mask_addr = m.to_i
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366 | @addr &= @mask_addr
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367 | return self
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368 | end
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369 | else
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370 | prefixlen = mask
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371 | end
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372 | case @family
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373 | when Socket::AF_INET
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374 | if prefixlen < 0 || prefixlen > 32
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375 | raise ArgumentError, "invalid length"
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376 | end
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377 | masklen = 32 - prefixlen
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378 | @mask_addr = ((IN4MASK >> masklen) << masklen)
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379 | when Socket::AF_INET6
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380 | if prefixlen < 0 || prefixlen > 128
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381 | raise ArgumentError, "invalid length"
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382 | end
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383 | masklen = 128 - prefixlen
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384 | @mask_addr = ((IN6MASK >> masklen) << masklen)
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385 | else
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386 | raise "unsupported address family"
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387 | end
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388 | @addr = ((@addr >> masklen) << masklen)
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389 | return self
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390 | end
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391 |
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392 | private
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393 |
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394 | # Creates a new ipaddr containing the given human readable form of
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395 | # an IP address. It also accepts `address/prefixlen' and
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396 | # `address/mask'. When prefixlen or mask is specified, it returns a
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397 | # masked ipaddr. IPv6 address may beenclosed with `[' and `]'.
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398 | #
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399 | # Although an address family is determined automatically from a
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400 | # specified address, you can specify an address family explicitly by
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401 | # the optional second argument.
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402 | def initialize(addr = '::', family = Socket::AF_UNSPEC)
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403 | if !addr.kind_of?(String)
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404 | if family != Socket::AF_INET6 && family != Socket::AF_INET
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405 | raise ArgumentError, "unsupported address family"
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406 | end
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407 | set(addr, family)
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408 | @mask_addr = (family == Socket::AF_INET) ? IN4MASK : IN6MASK
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409 | return
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410 | end
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411 | prefix, prefixlen = addr.split('/')
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412 | if prefix =~ /^\[(.*)\]$/i
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413 | prefix = $1
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414 | family = Socket::AF_INET6
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415 | end
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416 | # It seems AI_NUMERICHOST doesn't do the job.
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417 | #Socket.getaddrinfo(left, nil, Socket::AF_INET6, Socket::SOCK_STREAM, nil,
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418 | # Socket::AI_NUMERICHOST)
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419 | begin
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420 | IPSocket.getaddress(prefix) # test if address is vaild
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421 | rescue
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422 | raise ArgumentError, "invalid address"
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423 | end
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424 | @addr = @family = nil
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425 | if family == Socket::AF_UNSPEC || family == Socket::AF_INET
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426 | @addr = in_addr(prefix)
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427 | if @addr
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428 | @family = Socket::AF_INET
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429 | end
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430 | end
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431 | if !@addr && (family == Socket::AF_UNSPEC || family == Socket::AF_INET6)
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432 | @addr = in6_addr(prefix)
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433 | @family = Socket::AF_INET6
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434 | end
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435 | if family != Socket::AF_UNSPEC && @family != family
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436 | raise ArgumentError, "address family unmatch"
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437 | end
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438 | if prefixlen
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439 | mask!(prefixlen)
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440 | else
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441 | @mask_addr = (family == Socket::AF_INET) ? IN4MASK : IN6MASK
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442 | end
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443 | end
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444 |
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445 | def in_addr(addr)
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446 | if addr =~ /^\d+\.\d+\.\d+\.\d+$/
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447 | n = 0
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448 | addr.split('.').each { |i|
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449 | n <<= 8
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450 | n += i.to_i
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451 | }
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452 | return n
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453 | end
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454 | return nil
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455 | end
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456 |
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457 | def in6_addr(left)
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458 | case left
|
---|
459 | when /^::ffff:(\d+\.\d+\.\d+\.\d+)$/i
|
---|
460 | return in_addr($1) + 0xffff00000000
|
---|
461 | when /^::(\d+\.\d+\.\d+\.\d+)$/i
|
---|
462 | return in_addr($1)
|
---|
463 | when /[^0-9a-f:]/i
|
---|
464 | raise ArgumentError, "invalid address"
|
---|
465 | when /^(.*)::(.*)$/
|
---|
466 | left, right = $1, $2
|
---|
467 | else
|
---|
468 | right = ''
|
---|
469 | end
|
---|
470 | l = left.split(':')
|
---|
471 | r = right.split(':')
|
---|
472 | rest = 8 - l.size - r.size
|
---|
473 | if rest < 0
|
---|
474 | return nil
|
---|
475 | end
|
---|
476 | a = [l, Array.new(rest, '0'), r].flatten!
|
---|
477 | n = 0
|
---|
478 | a.each { |i|
|
---|
479 | n <<= 16
|
---|
480 | n += i.hex
|
---|
481 | }
|
---|
482 | return n
|
---|
483 | end
|
---|
484 |
|
---|
485 | def addr_mask(addr)
|
---|
486 | case @family
|
---|
487 | when Socket::AF_INET
|
---|
488 | addr &= IN4MASK
|
---|
489 | when Socket::AF_INET6
|
---|
490 | addr &= IN6MASK
|
---|
491 | else
|
---|
492 | raise "unsupported address family"
|
---|
493 | end
|
---|
494 | return addr
|
---|
495 | end
|
---|
496 |
|
---|
497 | def _reverse
|
---|
498 | case @family
|
---|
499 | when Socket::AF_INET
|
---|
500 | return (0..3).map { |i|
|
---|
501 | (@addr >> (8 * i)) & 0xff
|
---|
502 | }.join('.')
|
---|
503 | when Socket::AF_INET6
|
---|
504 | return ("%.32x" % @addr).reverse!.gsub!(/.(?!$)/, '\&.')
|
---|
505 | else
|
---|
506 | raise "unsupported address family"
|
---|
507 | end
|
---|
508 | end
|
---|
509 |
|
---|
510 | def _to_string(addr)
|
---|
511 | case @family
|
---|
512 | when Socket::AF_INET
|
---|
513 | return (0..3).map { |i|
|
---|
514 | (addr >> (24 - 8 * i)) & 0xff
|
---|
515 | }.join('.')
|
---|
516 | when Socket::AF_INET6
|
---|
517 | return (("%.32x" % addr).gsub!(/.{4}(?!$)/, '\&:'))
|
---|
518 | else
|
---|
519 | raise "unsupported address family"
|
---|
520 | end
|
---|
521 | end
|
---|
522 |
|
---|
523 | end
|
---|
524 |
|
---|
525 | if $0 == __FILE__
|
---|
526 | eval DATA.read, nil, $0, __LINE__+4
|
---|
527 | end
|
---|
528 |
|
---|
529 | __END__
|
---|
530 |
|
---|
531 | require 'test/unit'
|
---|
532 | require 'test/unit/ui/console/testrunner'
|
---|
533 |
|
---|
534 | class TC_IPAddr < Test::Unit::TestCase
|
---|
535 | def test_s_new
|
---|
536 | assert_nothing_raised {
|
---|
537 | IPAddr.new("3FFE:505:ffff::/48")
|
---|
538 | IPAddr.new("0:0:0:1::")
|
---|
539 | IPAddr.new("2001:200:300::/48")
|
---|
540 | }
|
---|
541 |
|
---|
542 | a = IPAddr.new
|
---|
543 | assert_equal("::", a.to_s)
|
---|
544 | assert_equal("0000:0000:0000:0000:0000:0000:0000:0000", a.to_string)
|
---|
545 | assert_equal(Socket::AF_INET6, a.family)
|
---|
546 |
|
---|
547 | a = IPAddr.new("0123:4567:89ab:cdef:0ABC:DEF0:1234:5678")
|
---|
548 | assert_equal("123:4567:89ab:cdef:abc:def0:1234:5678", a.to_s)
|
---|
549 | assert_equal("0123:4567:89ab:cdef:0abc:def0:1234:5678", a.to_string)
|
---|
550 | assert_equal(Socket::AF_INET6, a.family)
|
---|
551 |
|
---|
552 | a = IPAddr.new("3ffe:505:2::/48")
|
---|
553 | assert_equal("3ffe:505:2::", a.to_s)
|
---|
554 | assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string)
|
---|
555 | assert_equal(Socket::AF_INET6, a.family)
|
---|
556 | assert_equal(false, a.ipv4?)
|
---|
557 | assert_equal(true, a.ipv6?)
|
---|
558 | assert_equal("#<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000>", a.inspect)
|
---|
559 |
|
---|
560 | a = IPAddr.new("3ffe:505:2::/ffff:ffff:ffff::")
|
---|
561 | assert_equal("3ffe:505:2::", a.to_s)
|
---|
562 | assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string)
|
---|
563 | assert_equal(Socket::AF_INET6, a.family)
|
---|
564 |
|
---|
565 | a = IPAddr.new("0.0.0.0")
|
---|
566 | assert_equal("0.0.0.0", a.to_s)
|
---|
567 | assert_equal("0.0.0.0", a.to_string)
|
---|
568 | assert_equal(Socket::AF_INET, a.family)
|
---|
569 |
|
---|
570 | a = IPAddr.new("192.168.1.2")
|
---|
571 | assert_equal("192.168.1.2", a.to_s)
|
---|
572 | assert_equal("192.168.1.2", a.to_string)
|
---|
573 | assert_equal(Socket::AF_INET, a.family)
|
---|
574 | assert_equal(true, a.ipv4?)
|
---|
575 | assert_equal(false, a.ipv6?)
|
---|
576 |
|
---|
577 | a = IPAddr.new("192.168.1.2/24")
|
---|
578 | assert_equal("192.168.1.0", a.to_s)
|
---|
579 | assert_equal("192.168.1.0", a.to_string)
|
---|
580 | assert_equal(Socket::AF_INET, a.family)
|
---|
581 | assert_equal("#<IPAddr: IPv4:192.168.1.0/255.255.255.0>", a.inspect)
|
---|
582 |
|
---|
583 | a = IPAddr.new("192.168.1.2/255.255.255.0")
|
---|
584 | assert_equal("192.168.1.0", a.to_s)
|
---|
585 | assert_equal("192.168.1.0", a.to_string)
|
---|
586 | assert_equal(Socket::AF_INET, a.family)
|
---|
587 |
|
---|
588 | assert_equal("0:0:0:1::", IPAddr.new("0:0:0:1::").to_s)
|
---|
589 | assert_equal("2001:200:300::", IPAddr.new("2001:200:300::/48").to_s)
|
---|
590 |
|
---|
591 | assert_equal("2001:200:300::", IPAddr.new("[2001:200:300::]/48").to_s)
|
---|
592 |
|
---|
593 | [
|
---|
594 | ["fe80::1%fxp0"],
|
---|
595 | ["::1/255.255.255.0"],
|
---|
596 | ["::1:192.168.1.2/120"],
|
---|
597 | [IPAddr.new("::1").to_i],
|
---|
598 | ["::ffff:192.168.1.2/120", Socket::AF_INET],
|
---|
599 | ["[192.168.1.2]/120"],
|
---|
600 | ].each { |args|
|
---|
601 | assert_raises(ArgumentError) {
|
---|
602 | IPAddr.new(*args)
|
---|
603 | }
|
---|
604 | }
|
---|
605 | end
|
---|
606 |
|
---|
607 | def test_s_new_ntoh
|
---|
608 | addr = ''
|
---|
609 | IPAddr.new("1234:5678:9abc:def0:1234:5678:9abc:def0").hton.each_byte { |c|
|
---|
610 | addr += sprintf("%02x", c)
|
---|
611 | }
|
---|
612 | assert_equal("123456789abcdef0123456789abcdef0", addr)
|
---|
613 | addr = ''
|
---|
614 | IPAddr.new("123.45.67.89").hton.each_byte { |c|
|
---|
615 | addr += sprintf("%02x", c)
|
---|
616 | }
|
---|
617 | assert_equal(sprintf("%02x%02x%02x%02x", 123, 45, 67, 89), addr)
|
---|
618 | a = IPAddr.new("3ffe:505:2::")
|
---|
619 | assert_equal("3ffe:505:2::", IPAddr.new_ntoh(a.hton).to_s)
|
---|
620 | a = IPAddr.new("192.168.2.1")
|
---|
621 | assert_equal("192.168.2.1", IPAddr.new_ntoh(a.hton).to_s)
|
---|
622 | end
|
---|
623 |
|
---|
624 | def test_ipv4_compat
|
---|
625 | a = IPAddr.new("::192.168.1.2")
|
---|
626 | assert_equal("::192.168.1.2", a.to_s)
|
---|
627 | assert_equal("0000:0000:0000:0000:0000:0000:c0a8:0102", a.to_string)
|
---|
628 | assert_equal(Socket::AF_INET6, a.family)
|
---|
629 | assert_equal(true, a.ipv4_compat?)
|
---|
630 | b = a.native
|
---|
631 | assert_equal("192.168.1.2", b.to_s)
|
---|
632 | assert_equal(Socket::AF_INET, b.family)
|
---|
633 | assert_equal(false, b.ipv4_compat?)
|
---|
634 |
|
---|
635 | a = IPAddr.new("192.168.1.2")
|
---|
636 | b = a.ipv4_compat
|
---|
637 | assert_equal("::192.168.1.2", b.to_s)
|
---|
638 | assert_equal(Socket::AF_INET6, b.family)
|
---|
639 | end
|
---|
640 |
|
---|
641 | def test_ipv4_mapped
|
---|
642 | a = IPAddr.new("::ffff:192.168.1.2")
|
---|
643 | assert_equal("::ffff:192.168.1.2", a.to_s)
|
---|
644 | assert_equal("0000:0000:0000:0000:0000:ffff:c0a8:0102", a.to_string)
|
---|
645 | assert_equal(Socket::AF_INET6, a.family)
|
---|
646 | assert_equal(true, a.ipv4_mapped?)
|
---|
647 | b = a.native
|
---|
648 | assert_equal("192.168.1.2", b.to_s)
|
---|
649 | assert_equal(Socket::AF_INET, b.family)
|
---|
650 | assert_equal(false, b.ipv4_mapped?)
|
---|
651 |
|
---|
652 | a = IPAddr.new("192.168.1.2")
|
---|
653 | b = a.ipv4_mapped
|
---|
654 | assert_equal("::ffff:192.168.1.2", b.to_s)
|
---|
655 | assert_equal(Socket::AF_INET6, b.family)
|
---|
656 | end
|
---|
657 |
|
---|
658 | def test_reverse
|
---|
659 | assert_equal("f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.5.0.5.0.e.f.f.3.ip6.arpa", IPAddr.new("3ffe:505:2::f").reverse)
|
---|
660 | assert_equal("1.2.168.192.in-addr.arpa", IPAddr.new("192.168.2.1").reverse)
|
---|
661 | end
|
---|
662 |
|
---|
663 | def test_ip6_arpa
|
---|
664 | assert_equal("f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.5.0.5.0.e.f.f.3.ip6.arpa", IPAddr.new("3ffe:505:2::f").ip6_arpa)
|
---|
665 | assert_raises(ArgumentError) {
|
---|
666 | IPAddr.new("192.168.2.1").ip6_arpa
|
---|
667 | }
|
---|
668 | end
|
---|
669 |
|
---|
670 | def test_ip6_int
|
---|
671 | assert_equal("f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.5.0.5.0.e.f.f.3.ip6.int", IPAddr.new("3ffe:505:2::f").ip6_int)
|
---|
672 | assert_raises(ArgumentError) {
|
---|
673 | IPAddr.new("192.168.2.1").ip6_int
|
---|
674 | }
|
---|
675 | end
|
---|
676 |
|
---|
677 | def test_to_s
|
---|
678 | assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0001", IPAddr.new("3ffe:505:2::1").to_string)
|
---|
679 | assert_equal("3ffe:505:2::1", IPAddr.new("3ffe:505:2::1").to_s)
|
---|
680 | end
|
---|
681 | end
|
---|
682 |
|
---|
683 | class TC_Operator < Test::Unit::TestCase
|
---|
684 |
|
---|
685 | IN6MASK32 = "ffff:ffff::"
|
---|
686 | IN6MASK128 = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
|
---|
687 |
|
---|
688 | def setup
|
---|
689 | @in6_addr_any = IPAddr.new()
|
---|
690 | @a = IPAddr.new("3ffe:505:2::/48")
|
---|
691 | @b = IPAddr.new("0:0:0:1::")
|
---|
692 | @c = IPAddr.new(IN6MASK32)
|
---|
693 | end
|
---|
694 | alias set_up setup
|
---|
695 |
|
---|
696 | def test_or
|
---|
697 | assert_equal("3ffe:505:2:1::", (@a | @b).to_s)
|
---|
698 | a = @a
|
---|
699 | a |= @b
|
---|
700 | assert_equal("3ffe:505:2:1::", a.to_s)
|
---|
701 | assert_equal("3ffe:505:2::", @a.to_s)
|
---|
702 | assert_equal("3ffe:505:2:1::",
|
---|
703 | (@a | 0x00000000000000010000000000000000).to_s)
|
---|
704 | end
|
---|
705 |
|
---|
706 | def test_and
|
---|
707 | assert_equal("3ffe:505::", (@a & @c).to_s)
|
---|
708 | a = @a
|
---|
709 | a &= @c
|
---|
710 | assert_equal("3ffe:505::", a.to_s)
|
---|
711 | assert_equal("3ffe:505:2::", @a.to_s)
|
---|
712 | assert_equal("3ffe:505::", (@a & 0xffffffff000000000000000000000000).to_s)
|
---|
713 | end
|
---|
714 |
|
---|
715 | def test_shift_right
|
---|
716 | assert_equal("0:3ffe:505:2::", (@a >> 16).to_s)
|
---|
717 | a = @a
|
---|
718 | a >>= 16
|
---|
719 | assert_equal("0:3ffe:505:2::", a.to_s)
|
---|
720 | assert_equal("3ffe:505:2::", @a.to_s)
|
---|
721 | end
|
---|
722 |
|
---|
723 | def test_shift_left
|
---|
724 | assert_equal("505:2::", (@a << 16).to_s)
|
---|
725 | a = @a
|
---|
726 | a <<= 16
|
---|
727 | assert_equal("505:2::", a.to_s)
|
---|
728 | assert_equal("3ffe:505:2::", @a.to_s)
|
---|
729 | end
|
---|
730 |
|
---|
731 | def test_carrot
|
---|
732 | a = ~@in6_addr_any
|
---|
733 | assert_equal(IN6MASK128, a.to_s)
|
---|
734 | assert_equal("::", @in6_addr_any.to_s)
|
---|
735 | end
|
---|
736 |
|
---|
737 | def test_equal
|
---|
738 | assert_equal(true, @a == IPAddr.new("3ffe:505:2::"))
|
---|
739 | assert_equal(false, @a == IPAddr.new("3ffe:505:3::"))
|
---|
740 | assert_equal(true, @a != IPAddr.new("3ffe:505:3::"))
|
---|
741 | assert_equal(false, @a != IPAddr.new("3ffe:505:2::"))
|
---|
742 | end
|
---|
743 |
|
---|
744 | def test_mask
|
---|
745 | a = @a.mask(32)
|
---|
746 | assert_equal("3ffe:505::", a.to_s)
|
---|
747 | assert_equal("3ffe:505:2::", @a.to_s)
|
---|
748 | end
|
---|
749 |
|
---|
750 | def test_include?
|
---|
751 | assert_equal(true, @a.include?(IPAddr.new("3ffe:505:2::")))
|
---|
752 | assert_equal(true, @a.include?(IPAddr.new("3ffe:505:2::1")))
|
---|
753 | assert_equal(false, @a.include?(IPAddr.new("3ffe:505:3::")))
|
---|
754 | net1 = IPAddr.new("192.168.2.0/24")
|
---|
755 | assert_equal(true, net1.include?(IPAddr.new("192.168.2.0")))
|
---|
756 | assert_equal(true, net1.include?(IPAddr.new("192.168.2.255")))
|
---|
757 | assert_equal(false, net1.include?(IPAddr.new("192.168.3.0")))
|
---|
758 | # test with integer parameter
|
---|
759 | int = (192 << 24) + (168 << 16) + (2 << 8) + 13
|
---|
760 |
|
---|
761 | assert_equal(true, net1.include?(int))
|
---|
762 | assert_equal(false, net1.include?(int+255))
|
---|
763 |
|
---|
764 | end
|
---|
765 |
|
---|
766 | end
|
---|