diff options
Diffstat (limited to 'util/ip.lua')
| -rw-r--r-- | util/ip.lua | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/util/ip.lua b/util/ip.lua index 9e668d1b..6ebc023b 100644 --- a/util/ip.lua +++ b/util/ip.lua @@ -193,5 +193,20 @@ function ip_methods:scope() return value; end +function ip_methods:private() + local private = self.scope ~= 0xE; + if not private and self.proto == "IPv4" then + local ip = self.addr; + local fields = {}; + ip:gsub("([^.]*).?", function (c) fields[#fields + 1] = tonumber(c) end); + if fields[1] == 127 or fields[1] == 10 or (fields[1] == 192 and fields[2] == 168) + or (fields[1] == 172 and (fields[2] >= 16 or fields[2] <= 32)) then + private = true; + end + end + self.private = private; + return private; +end + return {new_ip = new_ip, commonPrefixLength = commonPrefixLength}; |