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Diffstat (limited to 'ruby_1_9_3/lib/ipaddr.rb')
| -rw-r--r-- | ruby_1_9_3/lib/ipaddr.rb | 924 |
1 files changed, 924 insertions, 0 deletions
diff --git a/ruby_1_9_3/lib/ipaddr.rb b/ruby_1_9_3/lib/ipaddr.rb new file mode 100644 index 0000000000..15692cf4f8 --- /dev/null +++ b/ruby_1_9_3/lib/ipaddr.rb @@ -0,0 +1,924 @@ +# +# ipaddr.rb - A class to manipulate an IP address +# +# Copyright (c) 2002 Hajimu UMEMOTO <ume@mahoroba.org>. +# Copyright (c) 2007, 2009, 2012 Akinori MUSHA <knu@iDaemons.org>. +# All rights reserved. +# +# You can redistribute and/or modify it under the same terms as Ruby. +# +# $Id$ +# +# Contact: +# - Akinori MUSHA <knu@iDaemons.org> (current maintainer) +# +# TODO: +# - scope_id support +# +require 'socket' + +# IPAddr provides a set of methods to manipulate an IP address. Both IPv4 and +# IPv6 are supported. +# +# == Example +# +# require 'ipaddr' +# +# ipaddr1 = IPAddr.new "3ffe:505:2::1" +# +# p ipaddr1 #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0001/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff> +# +# p ipaddr1.to_s #=> "3ffe:505:2::1" +# +# ipaddr2 = ipaddr1.mask(48) #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000> +# +# p ipaddr2.to_s #=> "3ffe:505:2::" +# +# ipaddr3 = IPAddr.new "192.168.2.0/24" +# +# p ipaddr3 #=> #<IPAddr: IPv4:192.168.2.0/255.255.255.0> + +class IPAddr + + # 32 bit mask for IPv4 + IN4MASK = 0xffffffff + # 128 bit mask for IPv4 + IN6MASK = 0xffffffffffffffffffffffffffffffff + # Format string for IPv6 + IN6FORMAT = (["%.4x"] * 8).join(':') + + # Regexp _internally_ used for parsing IPv4 address. + RE_IPV4ADDRLIKE = %r{ + \A + (\d+) \. (\d+) \. (\d+) \. (\d+) + \z + }x + + # Regexp _internally_ used for parsing IPv6 address. + RE_IPV6ADDRLIKE_FULL = %r{ + \A + (?: + (?: [\da-f]{1,4} : ){7} [\da-f]{1,4} + | + ( (?: [\da-f]{1,4} : ){6} ) + (\d+) \. (\d+) \. (\d+) \. (\d+) + ) + \z + }xi + + # Regexp _internally_ used for parsing IPv6 address. + RE_IPV6ADDRLIKE_COMPRESSED = %r{ + \A + ( (?: (?: [\da-f]{1,4} : )* [\da-f]{1,4} )? ) + :: + ( (?: + ( (?: [\da-f]{1,4} : )* ) + (?: + [\da-f]{1,4} + | + (\d+) \. (\d+) \. (\d+) \. (\d+) + ) + )? ) + \z + }xi + + # Returns the address family of this IP address. + attr_reader :family + + # Creates a new ipaddr containing the given network byte ordered + # string form of an IP address. + def IPAddr::new_ntoh(addr) + return IPAddr.new(IPAddr::ntop(addr)) + end + + # Convert a network byte ordered string form of an IP address into + # human readable form. + def IPAddr::ntop(addr) + case addr.size + when 4 + s = addr.unpack('C4').join('.') + when 16 + s = IN6FORMAT % addr.unpack('n8') + else + raise ArgumentError, "unsupported address family" + end + return s + end + + # Returns a new ipaddr built by bitwise AND. + def &(other) + return self.clone.set(@addr & coerce_other(other).to_i) + end + + # Returns a new ipaddr built by bitwise OR. + def |(other) + return self.clone.set(@addr | coerce_other(other).to_i) + end + + # Returns a new ipaddr built by bitwise right-shift. + def >>(num) + return self.clone.set(@addr >> num) + end + + # Returns a new ipaddr built by bitwise left shift. + def <<(num) + return self.clone.set(addr_mask(@addr << num)) + end + + # Returns a new ipaddr built by bitwise negation. + def ~ + return self.clone.set(addr_mask(~@addr)) + end + + # Returns true if two ipaddrs are equal. + def ==(other) + other = coerce_other(other) + return @family == other.family && @addr == other.to_i + end + + # Returns a new ipaddr built by masking IP address with the given + # prefixlen/netmask. (e.g. 8, 64, "255.255.255.0", etc.) + def mask(prefixlen) + return self.clone.mask!(prefixlen) + end + + # Returns true if the given ipaddr is in the range. + # + # e.g.: + # require 'ipaddr' + # net1 = IPAddr.new("192.168.2.0/24") + # net2 = IPAddr.new("192.168.2.100") + # net3 = IPAddr.new("192.168.3.0") + # p net1.include?(net2) #=> true + # p net1.include?(net3) #=> false + def include?(other) + other = coerce_other(other) + if ipv4_mapped? + if (@mask_addr >> 32) != 0xffffffffffffffffffffffff + return false + end + mask_addr = (@mask_addr & IN4MASK) + addr = (@addr & IN4MASK) + family = Socket::AF_INET + else + mask_addr = @mask_addr + addr = @addr + family = @family + end + if other.ipv4_mapped? + other_addr = (other.to_i & IN4MASK) + other_family = Socket::AF_INET + else + other_addr = other.to_i + other_family = other.family + end + + if family != other_family + return false + end + return ((addr & mask_addr) == (other_addr & mask_addr)) + end + alias === include? + + # Returns the integer representation of the ipaddr. + def to_i + return @addr + end + + # Returns a string containing the IP address representation. + def to_s + str = to_string + return str if ipv4? + + str.gsub!(/\b0{1,3}([\da-f]+)\b/i, '\1') + loop do + break if str.sub!(/\A0:0:0:0:0:0:0:0\z/, '::') + break if str.sub!(/\b0:0:0:0:0:0:0\b/, ':') + break if str.sub!(/\b0:0:0:0:0:0\b/, ':') + break if str.sub!(/\b0:0:0:0:0\b/, ':') + break if str.sub!(/\b0:0:0:0\b/, ':') + break if str.sub!(/\b0:0:0\b/, ':') + break if str.sub!(/\b0:0\b/, ':') + break + end + str.sub!(/:{3,}/, '::') + + if /\A::(ffff:)?([\da-f]{1,4}):([\da-f]{1,4})\z/i =~ str + str = sprintf('::%s%d.%d.%d.%d', $1, $2.hex / 256, $2.hex % 256, $3.hex / 256, $3.hex % 256) + end + + str + end + + # Returns a string containing the IP address representation in + # canonical form. + def to_string + return _to_string(@addr) + end + + # Returns a network byte ordered string form of the IP address. + def hton + case @family + when Socket::AF_INET + return [@addr].pack('N') + when Socket::AF_INET6 + return (0..7).map { |i| + (@addr >> (112 - 16 * i)) & 0xffff + }.pack('n8') + else + raise "unsupported address family" + end + end + + # Returns true if the ipaddr is an IPv4 address. + def ipv4? + return @family == Socket::AF_INET + end + + # Returns true if the ipaddr is an IPv6 address. + def ipv6? + return @family == Socket::AF_INET6 + end + + # Returns true if the ipaddr is an IPv4-mapped IPv6 address. + def ipv4_mapped? + return ipv6? && (@addr >> 32) == 0xffff + end + + # Returns true if the ipaddr is an IPv4-compatible IPv6 address. + def ipv4_compat? + if !ipv6? || (@addr >> 32) != 0 + return false + end + a = (@addr & IN4MASK) + return a != 0 && a != 1 + end + + # Returns a new ipaddr built by converting the native IPv4 address + # into an IPv4-mapped IPv6 address. + def ipv4_mapped + if !ipv4? + raise ArgumentError, "not an IPv4 address" + end + return self.clone.set(@addr | 0xffff00000000, Socket::AF_INET6) + end + + # Returns a new ipaddr built by converting the native IPv4 address + # into an IPv4-compatible IPv6 address. + def ipv4_compat + if !ipv4? + raise ArgumentError, "not an IPv4 address" + end + return self.clone.set(@addr, Socket::AF_INET6) + end + + # Returns a new ipaddr built by converting the IPv6 address into a + # native IPv4 address. If the IP address is not an IPv4-mapped or + # IPv4-compatible IPv6 address, returns self. + def native + if !ipv4_mapped? && !ipv4_compat? + return self + end + return self.clone.set(@addr & IN4MASK, Socket::AF_INET) + end + + # Returns a string for DNS reverse lookup. It returns a string in + # RFC3172 form for an IPv6 address. + def reverse + case @family + when Socket::AF_INET + return _reverse + ".in-addr.arpa" + when Socket::AF_INET6 + return ip6_arpa + else + raise "unsupported address family" + end + end + + # Returns a string for DNS reverse lookup compatible with RFC3172. + def ip6_arpa + if !ipv6? + raise ArgumentError, "not an IPv6 address" + end + return _reverse + ".ip6.arpa" + end + + # Returns a string for DNS reverse lookup compatible with RFC1886. + def ip6_int + if !ipv6? + raise ArgumentError, "not an IPv6 address" + end + return _reverse + ".ip6.int" + end + + # Returns the successor to the ipaddr. + def succ + return self.clone.set(@addr + 1, @family) + end + + # Compares the ipaddr with another. + def <=>(other) + other = coerce_other(other) + + return nil if other.family != @family + + return @addr <=> other.to_i + end + include Comparable + + # Checks equality used by Hash. + def eql?(other) + return self.class == other.class && self.hash == other.hash && self == other + end + + # Returns a hash value used by Hash, Set, and Array classes + def hash + return ([@addr, @mask_addr].hash << 1) | (ipv4? ? 0 : 1) + end + + # Creates a Range object for the network address. + def to_range + begin_addr = (@addr & @mask_addr) + + case @family + when Socket::AF_INET + end_addr = (@addr | (IN4MASK ^ @mask_addr)) + when Socket::AF_INET6 + end_addr = (@addr | (IN6MASK ^ @mask_addr)) + else + raise "unsupported address family" + end + + return clone.set(begin_addr, @family)..clone.set(end_addr, @family) + end + + # Returns a string containing a human-readable representation of the + # ipaddr. ("#<IPAddr: family:address/mask>") + def inspect + case @family + when Socket::AF_INET + af = "IPv4" + when Socket::AF_INET6 + af = "IPv6" + else + raise "unsupported address family" + end + return sprintf("#<%s: %s:%s/%s>", self.class.name, + af, _to_string(@addr), _to_string(@mask_addr)) + end + + protected + + # Set +@addr+, the internal stored ip address, to given +addr+. The + # parameter +addr+ is validated using the first +family+ member, + # which is +Socket::AF_INET+ or +Socket::AF_INET6+. + def set(addr, *family) + case family[0] ? family[0] : @family + when Socket::AF_INET + if addr < 0 || addr > IN4MASK + raise ArgumentError, "invalid address" + end + when Socket::AF_INET6 + if addr < 0 || addr > IN6MASK + raise ArgumentError, "invalid address" + end + else + raise ArgumentError, "unsupported address family" + end + @addr = addr + if family[0] + @family = family[0] + end + return self + end + + # Set current netmask to given mask. + def mask!(mask) + if mask.kind_of?(String) + if mask =~ /^\d+$/ + prefixlen = mask.to_i + else + m = IPAddr.new(mask) + if m.family != @family + raise ArgumentError, "address family is not same" + end + @mask_addr = m.to_i + @addr &= @mask_addr + return self + end + else + prefixlen = mask + end + case @family + when Socket::AF_INET + if prefixlen < 0 || prefixlen > 32 + raise ArgumentError, "invalid length" + end + masklen = 32 - prefixlen + @mask_addr = ((IN4MASK >> masklen) << masklen) + when Socket::AF_INET6 + if prefixlen < 0 || prefixlen > 128 + raise ArgumentError, "invalid length" + end + masklen = 128 - prefixlen + @mask_addr = ((IN6MASK >> masklen) << masklen) + else + raise "unsupported address family" + end + @addr = ((@addr >> masklen) << masklen) + return self + end + + private + + # Creates a new ipaddr object either from a human readable IP + # address representation in string, or from a packed in_addr value + # followed by an address family. + # + # In the former case, the following are the valid formats that will + # be recognized: "address", "address/prefixlen" and "address/mask", + # where IPv6 address may be enclosed in square brackets (`[' and + # `]'). If a prefixlen or a mask is specified, it returns a masked + # IP address. Although the address family is determined + # automatically from a specified string, you can specify one + # explicitly by the optional second argument. + # + # Otherwise an IP address is generated from a packed in_addr value + # and an address family. + # + # The IPAddr class defines many methods and operators, and some of + # those, such as &, |, include? and ==, accept a string, or a packed + # in_addr value instead of an IPAddr object. + def initialize(addr = '::', family = Socket::AF_UNSPEC) + if !addr.kind_of?(String) + case family + when Socket::AF_INET, Socket::AF_INET6 + set(addr.to_i, family) + @mask_addr = (family == Socket::AF_INET) ? IN4MASK : IN6MASK + return + when Socket::AF_UNSPEC + raise ArgumentError, "address family must be specified" + else + raise ArgumentError, "unsupported address family: #{family}" + end + end + prefix, prefixlen = addr.split('/') + if prefix =~ /^\[(.*)\]$/i + prefix = $1 + family = Socket::AF_INET6 + end + # It seems AI_NUMERICHOST doesn't do the job. + #Socket.getaddrinfo(left, nil, Socket::AF_INET6, Socket::SOCK_STREAM, nil, + # Socket::AI_NUMERICHOST) + @addr = @family = nil + if family == Socket::AF_UNSPEC || family == Socket::AF_INET + @addr = in_addr(prefix) + if @addr + @family = Socket::AF_INET + end + end + if !@addr && (family == Socket::AF_UNSPEC || family == Socket::AF_INET6) + @addr = in6_addr(prefix) + @family = Socket::AF_INET6 + end + if family != Socket::AF_UNSPEC && @family != family + raise ArgumentError, "address family mismatch" + end + if prefixlen + mask!(prefixlen) + else + @mask_addr = (@family == Socket::AF_INET) ? IN4MASK : IN6MASK + end + end + + def coerce_other(other) + case other + when IPAddr + other + when String + self.class.new(other) + else + self.class.new(other, @family) + end + end + + def in_addr(addr) + case addr + when Array + octets = addr + else + m = RE_IPV4ADDRLIKE.match(addr) or return nil + octets = m.captures + end + octets.inject(0) { |i, s| + (n = s.to_i) < 256 or raise ArgumentError, "invalid address" + s.match(/\A0./) and raise ArgumentError, "zero-filled number is ambiguous" + i << 8 | n + } + end + + def in6_addr(left) + case left + when RE_IPV6ADDRLIKE_FULL + if $2 + addr = in_addr($~[2,4]) + left = $1 + ':' + else + addr = 0 + end + right = '' + when RE_IPV6ADDRLIKE_COMPRESSED + if $4 + left.count(':') <= 6 or raise ArgumentError, "invalid address" + addr = in_addr($~[4,4]) + left = $1 + right = $3 + '0:0' + else + left.count(':') <= ($1.empty? || $2.empty? ? 8 : 7) or + raise InvalidAddressError, "invalid address" + left = $1 + right = $2 + addr = 0 + end + else + raise ArgumentError, "invalid address" + end + l = left.split(':') + r = right.split(':') + rest = 8 - l.size - r.size + if rest < 0 + return nil + end + (l + Array.new(rest, '0') + r).inject(0) { |i, s| + i << 16 | s.hex + } | addr + end + + def addr_mask(addr) + case @family + when Socket::AF_INET + return addr & IN4MASK + when Socket::AF_INET6 + return addr & IN6MASK + else + raise "unsupported address family" + end + end + + def _reverse + case @family + when Socket::AF_INET + return (0..3).map { |i| + (@addr >> (8 * i)) & 0xff + }.join('.') + when Socket::AF_INET6 + return ("%.32x" % @addr).reverse!.gsub!(/.(?!$)/, '\&.') + else + raise "unsupported address family" + end + end + + def _to_string(addr) + case @family + when Socket::AF_INET + return (0..3).map { |i| + (addr >> (24 - 8 * i)) & 0xff + }.join('.') + when Socket::AF_INET6 + return (("%.32x" % addr).gsub!(/.{4}(?!$)/, '\&:')) + else + raise "unsupported address family" + end + end + +end + +unless Socket.const_defined? "AF_INET6" + class Socket < BasicSocket + # IPv6 protocol family + AF_INET6 = Object.new + end + + class << IPSocket + private + + def valid_v6?(addr) + case addr + when IPAddr::RE_IPV6ADDRLIKE_FULL + if $2 + $~[2,4].all? {|i| i.to_i < 256 } + else + true + end + when IPAddr::RE_IPV6ADDRLIKE_COMPRESSED + if $4 + addr.count(':') <= 6 && $~[4,4].all? {|i| i.to_i < 256} + else + addr.count(':') <= 7 + end + else + false + end + end + + alias getaddress_orig getaddress + + public + + # Returns a +String+ based representation of a valid DNS hostname, + # IPv4 or IPv6 address. + # + # IPSocket.getaddress 'localhost' #=> "::1" + # IPSocket.getaddress 'broadcasthost' #=> "255.255.255.255" + # IPSocket.getaddress 'www.ruby-lang.org' #=> "221.186.184.68" + # IPSocket.getaddress 'www.ccc.de' #=> "2a00:1328:e102:ccc0::122" + def getaddress(s) + if valid_v6?(s) + s + else + getaddress_orig(s) + end + end + end +end + +if $0 == __FILE__ + eval DATA.read, nil, $0, __LINE__+4 +end + +__END__ + +require 'test/unit' + +class TC_IPAddr < Test::Unit::TestCase + def test_s_new + [ + ["3FFE:505:ffff::/48"], + ["0:0:0:1::"], + ["2001:200:300::/48"], + ["2001:200:300::192.168.1.2/48"], + ["1:2:3:4:5:6:7::"], + ["::2:3:4:5:6:7:8"], + ].each { |args| + assert_nothing_raised { + IPAddr.new(*args) + } + } + + a = IPAddr.new + assert_equal("::", a.to_s) + assert_equal("0000:0000:0000:0000:0000:0000:0000:0000", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + + a = IPAddr.new("0123:4567:89ab:cdef:0ABC:DEF0:1234:5678") + assert_equal("123:4567:89ab:cdef:abc:def0:1234:5678", a.to_s) + assert_equal("0123:4567:89ab:cdef:0abc:def0:1234:5678", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + + a = IPAddr.new("3ffe:505:2::/48") + assert_equal("3ffe:505:2::", a.to_s) + assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + assert_equal(false, a.ipv4?) + assert_equal(true, a.ipv6?) + assert_equal("#<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000>", a.inspect) + + a = IPAddr.new("3ffe:505:2::/ffff:ffff:ffff::") + assert_equal("3ffe:505:2::", a.to_s) + assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + + a = IPAddr.new("0.0.0.0") + assert_equal("0.0.0.0", a.to_s) + assert_equal("0.0.0.0", a.to_string) + assert_equal(Socket::AF_INET, a.family) + + a = IPAddr.new("192.168.1.2") + assert_equal("192.168.1.2", a.to_s) + assert_equal("192.168.1.2", a.to_string) + assert_equal(Socket::AF_INET, a.family) + assert_equal(true, a.ipv4?) + assert_equal(false, a.ipv6?) + + a = IPAddr.new("192.168.1.2/24") + assert_equal("192.168.1.0", a.to_s) + assert_equal("192.168.1.0", a.to_string) + assert_equal(Socket::AF_INET, a.family) + assert_equal("#<IPAddr: IPv4:192.168.1.0/255.255.255.0>", a.inspect) + + a = IPAddr.new("192.168.1.2/255.255.255.0") + assert_equal("192.168.1.0", a.to_s) + assert_equal("192.168.1.0", a.to_string) + assert_equal(Socket::AF_INET, a.family) + + assert_equal("0:0:0:1::", IPAddr.new("0:0:0:1::").to_s) + assert_equal("2001:200:300::", IPAddr.new("2001:200:300::/48").to_s) + + assert_equal("2001:200:300::", IPAddr.new("[2001:200:300::]/48").to_s) + assert_equal("1:2:3:4:5:6:7:0", IPAddr.new("1:2:3:4:5:6:7::").to_s) + assert_equal("0:2:3:4:5:6:7:8", IPAddr.new("::2:3:4:5:6:7:8").to_s) + + [ + ["192.168.0.256"], + ["192.168.0.011"], + ["fe80::1%fxp0"], + ["::1/255.255.255.0"], + [IPAddr.new("::1").to_i], + ["::ffff:192.168.1.2/120", Socket::AF_INET], + ["[192.168.1.2]/120"], + ].each { |args| + assert_raises(ArgumentError) { + IPAddr.new(*args) + } + } + end + + def test_s_new_ntoh + addr = '' + IPAddr.new("1234:5678:9abc:def0:1234:5678:9abc:def0").hton.each_byte { |c| + addr += sprintf("%02x", c) + } + assert_equal("123456789abcdef0123456789abcdef0", addr) + addr = '' + IPAddr.new("123.45.67.89").hton.each_byte { |c| + addr += sprintf("%02x", c) + } + assert_equal(sprintf("%02x%02x%02x%02x", 123, 45, 67, 89), addr) + a = IPAddr.new("3ffe:505:2::") + assert_equal("3ffe:505:2::", IPAddr.new_ntoh(a.hton).to_s) + a = IPAddr.new("192.168.2.1") + assert_equal("192.168.2.1", IPAddr.new_ntoh(a.hton).to_s) + end + + def test_ipv4_compat + a = IPAddr.new("::192.168.1.2") + assert_equal("::192.168.1.2", a.to_s) + assert_equal("0000:0000:0000:0000:0000:0000:c0a8:0102", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + assert_equal(true, a.ipv4_compat?) + b = a.native + assert_equal("192.168.1.2", b.to_s) + assert_equal(Socket::AF_INET, b.family) + assert_equal(false, b.ipv4_compat?) + + a = IPAddr.new("192.168.1.2") + b = a.ipv4_compat + assert_equal("::192.168.1.2", b.to_s) + assert_equal(Socket::AF_INET6, b.family) + end + + def test_ipv4_mapped + a = IPAddr.new("::ffff:192.168.1.2") + assert_equal("::ffff:192.168.1.2", a.to_s) + assert_equal("0000:0000:0000:0000:0000:ffff:c0a8:0102", a.to_string) + assert_equal(Socket::AF_INET6, a.family) + assert_equal(true, a.ipv4_mapped?) + b = a.native + assert_equal("192.168.1.2", b.to_s) + assert_equal(Socket::AF_INET, b.family) + assert_equal(false, b.ipv4_mapped?) + + a = IPAddr.new("192.168.1.2") + b = a.ipv4_mapped + assert_equal("::ffff:192.168.1.2", b.to_s) + assert_equal(Socket::AF_INET6, b.family) + end + + def test_reverse + 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) + assert_equal("1.2.168.192.in-addr.arpa", IPAddr.new("192.168.2.1").reverse) + end + + def test_ip6_arpa + 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) + assert_raises(ArgumentError) { + IPAddr.new("192.168.2.1").ip6_arpa + } + end + + def test_ip6_int + 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) + assert_raises(ArgumentError) { + IPAddr.new("192.168.2.1").ip6_int + } + end + + def test_to_s + assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0001", IPAddr.new("3ffe:505:2::1").to_string) + assert_equal("3ffe:505:2::1", IPAddr.new("3ffe:505:2::1").to_s) + end +end + +class TC_Operator < Test::Unit::TestCase + + IN6MASK32 = "ffff:ffff::" + IN6MASK128 = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" + + def setup + @in6_addr_any = IPAddr.new() + @a = IPAddr.new("3ffe:505:2::/48") + @b = IPAddr.new("0:0:0:1::") + @c = IPAddr.new(IN6MASK32) + end + alias set_up setup + + def test_or + assert_equal("3ffe:505:2:1::", (@a | @b).to_s) + a = @a + a |= @b + assert_equal("3ffe:505:2:1::", a.to_s) + assert_equal("3ffe:505:2::", @a.to_s) + assert_equal("3ffe:505:2:1::", + (@a | 0x00000000000000010000000000000000).to_s) + end + + def test_and + assert_equal("3ffe:505::", (@a & @c).to_s) + a = @a + a &= @c + assert_equal("3ffe:505::", a.to_s) + assert_equal("3ffe:505:2::", @a.to_s) + assert_equal("3ffe:505::", (@a & 0xffffffff000000000000000000000000).to_s) + end + + def test_shift_right + assert_equal("0:3ffe:505:2::", (@a >> 16).to_s) + a = @a + a >>= 16 + assert_equal("0:3ffe:505:2::", a.to_s) + assert_equal("3ffe:505:2::", @a.to_s) + end + + def test_shift_left + assert_equal("505:2::", (@a << 16).to_s) + a = @a + a <<= 16 + assert_equal("505:2::", a.to_s) + assert_equal("3ffe:505:2::", @a.to_s) + end + + def test_carrot + a = ~@in6_addr_any + assert_equal(IN6MASK128, a.to_s) + assert_equal("::", @in6_addr_any.to_s) + end + + def test_equal + assert_equal(true, @a == IPAddr.new("3FFE:505:2::")) + assert_equal(true, @a == IPAddr.new("3ffe:0505:0002::")) + assert_equal(true, @a == IPAddr.new("3ffe:0505:0002:0:0:0:0:0")) + assert_equal(false, @a == IPAddr.new("3ffe:505:3::")) + assert_equal(true, @a != IPAddr.new("3ffe:505:3::")) + assert_equal(false, @a != IPAddr.new("3ffe:505:2::")) + end + + def test_mask + a = @a.mask(32) + assert_equal("3ffe:505::", a.to_s) + assert_equal("3ffe:505:2::", @a.to_s) + end + + def test_include? + assert_equal(true, @a.include?(IPAddr.new("3ffe:505:2::"))) + assert_equal(true, @a.include?(IPAddr.new("3ffe:505:2::1"))) + assert_equal(false, @a.include?(IPAddr.new("3ffe:505:3::"))) + net1 = IPAddr.new("192.168.2.0/24") + assert_equal(true, net1.include?(IPAddr.new("192.168.2.0"))) + assert_equal(true, net1.include?(IPAddr.new("192.168.2.255"))) + assert_equal(false, net1.include?(IPAddr.new("192.168.3.0"))) + # test with integer parameter + int = (192 << 24) + (168 << 16) + (2 << 8) + 13 + + assert_equal(true, net1.include?(int)) + assert_equal(false, net1.include?(int+255)) + + end + + def test_hash + a1 = IPAddr.new('192.168.2.0') + a2 = IPAddr.new('192.168.2.0') + a3 = IPAddr.new('3ffe:505:2::1') + a4 = IPAddr.new('3ffe:505:2::1') + a5 = IPAddr.new('127.0.0.1') + a6 = IPAddr.new('::1') + a7 = IPAddr.new('192.168.2.0/25') + a8 = IPAddr.new('192.168.2.0/25') + + h = { a1 => 'ipv4', a2 => 'ipv4', a3 => 'ipv6', a4 => 'ipv6', a5 => 'ipv4', a6 => 'ipv6', a7 => 'ipv4', a8 => 'ipv4'} + assert_equal(5, h.size) + assert_equal('ipv4', h[a1]) + assert_equal('ipv4', h[a2]) + assert_equal('ipv6', h[a3]) + assert_equal('ipv6', h[a4]) + + require 'set' + s = Set[a1, a2, a3, a4, a5, a6, a7, a8] + assert_equal(5, s.size) + assert_equal(true, s.include?(a1)) + assert_equal(true, s.include?(a2)) + assert_equal(true, s.include?(a3)) + assert_equal(true, s.include?(a4)) + assert_equal(true, s.include?(a5)) + assert_equal(true, s.include?(a6)) + end +end |