diff options
author | Francis Luong (Franco) <franco@definefunk.com> | 2017-09-01 14:25:54 -0400 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-09-01 14:25:54 -0400 |
commit | a172928b3a29c9286800bf8e4d9a9f13f0cf738a (patch) | |
tree | 17c0673bca4b2bcc1a3f101d4e9b6b14dabade21 | |
parent | f16c587af31c750a93ca40def9e7f2f7115fb1c7 (diff) | |
parent | 548f00716f483876d00532bf76deec6c4171e9d6 (diff) | |
download | ipaddress-a172928b3a29c9286800bf8e4d9a9f13f0cf738a.tar.gz |
Merge pull request #83 from icy-arctic-fox/link-local
Add detection of link-local addresses
-rw-r--r-- | lib/ipaddress/ipv4.rb | 14 | ||||
-rw-r--r-- | lib/ipaddress/ipv6.rb | 28 | ||||
-rw-r--r-- | test/ipaddress/ipv4_test.rb | 25 | ||||
-rw-r--r-- | test/ipaddress/ipv6_test.rb | 49 |
4 files changed, 116 insertions, 0 deletions
diff --git a/lib/ipaddress/ipv4.rb b/lib/ipaddress/ipv4.rb index 19ab14c..ade1851 100644 --- a/lib/ipaddress/ipv4.rb +++ b/lib/ipaddress/ipv4.rb @@ -651,6 +651,20 @@ module IPAddress; end # + # Checks if an IPv4 address objects belongs + # to a link-local network RFC3927 + # + # Example: + # + # ip = IPAddress "169.254.0.1" + # ip.link_local? + # #=> true + # + def link_local? + [self.class.new("169.254.0.0/16")].any? {|i| i.include? self} + end + + # # Returns the IP address in in-addr.arpa format # for DNS lookups # diff --git a/lib/ipaddress/ipv6.rb b/lib/ipaddress/ipv6.rb index 3e506ac..adc6243 100644 --- a/lib/ipaddress/ipv6.rb +++ b/lib/ipaddress/ipv6.rb @@ -423,6 +423,34 @@ module IPAddress; @prefix == 128 and @compressed == "::1" end + # + # Checks if an IPv6 address objects belongs + # to a link-local network RFC4291 + # + # Example: + # + # ip = IPAddress "fe80::1" + # ip.link_local? + # #=> true + # + def link_local? + [self.class.new("fe80::/64")].any? {|i| i.include? self} + end + + # + # Checks if an IPv6 address objects belongs + # to a unique-local network RFC4193 + # + # Example: + # + # ip = IPAddress "fc00::1" + # ip.unique_local? + # #=> true + # + def unique_local? + [self.class.new("fc00::/7")].any? {|i| i.include? self} + end + # # Returns true if the address is a mapped address # diff --git a/test/ipaddress/ipv4_test.rb b/test/ipaddress/ipv4_test.rb index 56a78d0..f39d686 100644 --- a/test/ipaddress/ipv4_test.rb +++ b/test/ipaddress/ipv4_test.rb @@ -74,6 +74,22 @@ class IPv4Test < Minitest::Test "10.32.0.1" => ["10.32.0.253", 253], "192.0.0.0" => ["192.1.255.255", 131072] } + + @link_local = [ + "169.254.0.0", + "169.254.255.255", + "169.254.12.34", + "169.254.0.0/16", + "169.254.0.0/17"] + + @not_link_local = [ + "127.0.0.1", + "127.0.1.1", + "192.168.0.100", + "169.255.0.0", + "169.254.0.0/15", + "0.0.0.0", + "255.255.255.255"] end @@ -310,6 +326,15 @@ class IPv4Test < Minitest::Test assert_equal false, @klass.new("192.0.0.2/24").private? end + def test_method_link_local? + @link_local.each do |addr| + assert_equal true, @klass.new(addr).link_local? + end + @not_link_local.each do |addr| + assert_equal false, @klass.new(addr).link_local? + end + end + def test_method_octet assert_equal 172, @ip[0] assert_equal 16, @ip[1] diff --git a/test/ipaddress/ipv6_test.rb b/test/ipaddress/ipv6_test.rb index b43c9de..120aafb 100644 --- a/test/ipaddress/ipv6_test.rb +++ b/test/ipaddress/ipv6_test.rb @@ -42,6 +42,37 @@ class IPv6Test < Minitest::Test @network = @klass.new "2001:db8:8:800::/64" @arr = [8193,3512,0,0,8,2048,8204,16762] @hex = "20010db80000000000080800200c417a" + + @link_local = [ + "fe80::", + "fe80::1", + "fe80::208:74ff:feda:625c", + "fe80::/64", + "fe80::/65"] + + @not_link_local = [ + "::", + "::1", + "ff80:03:02:01::", + "2001:db8::8:800:200c:417a", + "fe80::/63"] + + @unique_local = [ + "fc00::/7", + "fc00::/8", + "fd00::/8", + "fd12:3456:789a:1::1", + "fd12:3456:789a:1::/64", + "fc00::1"] + + @not_unique_local = [ + "fc00::/6", + "::", + "::1", + "fe80::", + "fe80::1", + "fe80::/64"] + end def test_attribute_address @@ -215,6 +246,24 @@ class IPv6Test < Minitest::Test assert_equal false, @ip.loopback? end + def test_method_link_local? + @link_local.each do |addr| + assert_equal true, @klass.new(addr).link_local? + end + @not_link_local.each do |addr| + assert_equal false, @klass.new(addr).link_local? + end + end + + def test_method_unique_local? + @unique_local.each do |addr| + assert_equal true, @klass.new(addr).unique_local? + end + @not_unique_local.each do |addr| + assert_equal false, @klass.new(addr).unique_local? + end + end + def test_method_network @networks.each do |addr,net| ip = @klass.new addr |