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authorJeremy Evans <code@jeremyevans.net>2020-08-24 12:39:08 -0700
committerJeremy Evans <code@jeremyevans.net>2020-11-07 13:47:45 -0800
commit2f12af42f7f26d570219b87a89294532a86a8ae2 (patch)
tree77e536c6d1e89cb7fb42842e37c1a33beaaf1988 /lib
parentfcde1e0e626998d75beb561c016fd99bf64d3a79 (diff)
downloadruby-2f12af42f7f26d570219b87a89294532a86a8ae2.tar.gz
Add support for IPv6 link local addresses to resolv
Now that it should work correctly, test that every address returned by Socket.ip_address_list is resolvable. Socket works with IPv6 link local addresses, and ipaddr now does as well, so I think resolv should support them. Fixes [Bug #17112]
Diffstat (limited to 'lib')
-rw-r--r--lib/resolv.rb27
1 files changed, 26 insertions, 1 deletions
diff --git a/lib/resolv.rb b/lib/resolv.rb
index d50940ad15..2c4f83d212 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -2460,13 +2460,38 @@ class Resolv
\z/x
##
+ # IPv6 link local address format fe80:b:c:d:e:f:g:h%em1
+ Regex_8HexLinkLocal = /\A
+ fe80
+ (?::[0-9A-Fa-f]{1,4}){7}
+ %[0-9A-Za-z]+
+ \z/x
+
+ ##
+ # Compressed IPv6 link local address format fe80::b%em1
+
+ Regex_CompressedHexLinkLocal = /\A
+ fe80:
+ (?:
+ ((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?) ::
+ ((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)
+ |
+ :((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)
+ )?
+ :[0-9A-Fa-f]{1,4}%[0-9A-Za-z]+
+ \z/x
+
+ ##
# A composite IPv6 address Regexp.
Regex = /
(?:#{Regex_8Hex}) |
(?:#{Regex_CompressedHex}) |
(?:#{Regex_6Hex4Dec}) |
- (?:#{Regex_CompressedHex4Dec})/x
+ (?:#{Regex_CompressedHex4Dec}) |
+ (?:#{Regex_8HexLinkLocal}) |
+ (?:#{Regex_CompressedHexLinkLocal})
+ /x
##
# Creates a new IPv6 address from +arg+ which may be: