In Files
- ipaddr.rb
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IPSocket
Public Class Methods
getaddress(s)
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# File ipaddr.rb, line 51
def getaddress(s)
if valid?(s)
s
elsif /\A[-A-Za-z\d.]+\Z/ =~ s
getaddress_orig(s)
else
raise ArgumentError, "invalid address"
end
end
Also aliased as: getaddress_orig
valid?(addr)
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# File ipaddr.rb, line 46
def valid?(addr)
valid_v4?(addr) || valid_v6?(addr)
end
valid_v4?(addr)
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# File ipaddr.rb, line 26
def valid_v4?(addr)
if /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/ =~ addr
return $~.captures.all? {|i| i.to_i < 256}
end
return false
end
valid_v6?(addr)
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# File ipaddr.rb, line 33
def valid_v6?(addr)
# IPv6 (normal)
return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*\Z/ =~ addr
return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*)?\Z/ =~ addr
return true if /\A::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*)?\Z/ =~ addr
# IPv6 (IPv4 compat)
return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:/ =~ addr && valid_v4?($')
return true if /\A[\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:)?/ =~ addr && valid_v4?($')
return true if /\A::([\dA-Fa-f]{1,4}(:[\dA-Fa-f]{1,4})*:)?/ =~ addr && valid_v4?($')
false
end
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