diff options
Diffstat (limited to 'lib/ipaddress.rb')
| -rw-r--r-- | lib/ipaddress.rb | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/lib/ipaddress.rb b/lib/ipaddress.rb index 88d80a2..99591d7 100644 --- a/lib/ipaddress.rb +++ b/lib/ipaddress.rb @@ -121,7 +121,7 @@ module IPAddress # #=> false # def self.valid?(addr) - valid_ip?(addr) || valid_ipv4_subnet?(addr) + valid_ip?(addr) || valid_ipv4_subnet?(addr) || valid_ipv6_subnet?(addr) end # @@ -159,7 +159,31 @@ module IPAddress valid_ipv4?(ip) && (!(netmask =~ /\A([12]?\d|3[0-2])\z/).nil? || valid_ipv4_netmask?(netmask)) end - + + # + # Checks if the given string is a valid IPv6 subnet + # + # Example: + # + # IPAdress::valid_ipv6_subnet? "::/0" + # #=> true + # + # IPAdress::valid_ipv6_subnet? "dead:beef:cafe:babe::/64" + # #=> true + # + # IPAdress::valid_ipv6_subnet? "2001::1/129" + # #=> false + # + def self.valid_ipv6_subnet?(addr) + ip, netmask = addr.split("/") + + netmask = Integer(netmask, 10) + + valid_ipv6?(ip) && netmask >= 0 && netmask <= 128 + rescue ArgumentError + false + end + # # Checks if the given string is a valid IPv4 address # |