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util.ip: Convert IPv4 mapped addresses to hex.

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This commit is contained in:
Kim Alvefur 2013-05-18 13:14:19 +02:00
parent bb7c05bbf4
commit 146ed08e62
1 changed files with 7 additions and 0 deletions
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7
util/ip.lua
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@ -15,6 +15,13 @@ local function new_ip(ipStr, proto)
if proto ~= "IPv4" and proto ~= "IPv6" then
return nil, "invalid protocol";
end
if proto == "IPv6" and ipStr:find('.', 1, true) then
local changed;
ipStr, changed = ipStr:gsub(":(%d+)%.(%d+)%.(%d+)%.(%d+)$", function(a,b,c,d)
return (":%04X:%04X"):format(a*256+b,c*256+d);
end);
if changed ~= 1 then return nil, "invalid-address"; end
end
return setmetatable({ addr = ipStr, proto = proto }, ip_mt);
end