diff options
Diffstat (limited to 'lib/ipaddress.rb')
| -rw-r--r-- | lib/ipaddress.rb | 74 |
1 files changed, 70 insertions, 4 deletions
diff --git a/lib/ipaddress.rb b/lib/ipaddress.rb index 4f8c71f..99591d7 100644 --- a/lib/ipaddress.rb +++ b/lib/ipaddress.rb @@ -102,22 +102,88 @@ module IPAddress self.kind_of? IPAddress::IPv6 end + + # + # Checks if the given string is either a valid IP, either a valid IPv4 subnet + # + # Example: + # + # IPAddress::valid? "10.0.0.0/24" + # #=> true + # + # IPAddress::valid? "2002::1" + # #=> true + # + # IPAddress::valid? "10.0.0.256" + # #=> false + # + # IPAddress::valid? "10.0.0.0/999" + # #=> false + # + def self.valid?(addr) + valid_ip?(addr) || valid_ipv4_subnet?(addr) || valid_ipv6_subnet?(addr) + end + # # Checks if the given string is a valid IP address, # either IPv4 or IPv6 # # Example: # - # IPAddress::valid? "2002::1" + # IPAddress::valid_ip? "2002::1" # #=> true # - # IPAddress::valid? "10.0.0.256" + # IPAddress::valid_ip? "10.0.0.256" # #=> false # - def self.valid?(addr) + def self.valid_ip?(addr) valid_ipv4?(addr) || valid_ipv6?(addr) end - + + # + # Checks if the given string is a valid IPv4 subnet + # + # Example: + # + # IPAdress::valid_ipv4_subnet? "10.0.0.0/24" + # #=> true + # + # IPAdress::valid_ipv4_subnet? "10.0.0.0/255.255.255.0" + # #=> true + # + # IPAdress::valid_ipv4_subnet? "10.0.0.0/64" + # #=> false + # + def self.valid_ipv4_subnet?(addr) + ip, netmask = addr.split("/") + + 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 # |