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-rw-r--r--net/stun.lua23
1 files changed, 12 insertions, 11 deletions
diff --git a/net/stun.lua b/net/stun.lua
index 530b4e3b..80b60bda 100644
--- a/net/stun.lua
+++ b/net/stun.lua
@@ -207,11 +207,13 @@ function packet_methods:get_attribute(attr_type)
end
end
-function packet_methods:get_mapped_address()
- local data = self:get_attribute("mapped-address");
- if not data then return; end
+function packet_methods:_unpack_address(data, xor)
local family, port = struct.unpack("x>BI2", data);
local addr = data:sub(5);
+ if xor then
+ port = bit32.bxor(port, 0x2112);
+ addr = sxor(addr, magic_cookie..self.transaction_id);
+ end
return {
family = addr_families[family] or "unknown";
port = port;
@@ -219,17 +221,16 @@ function packet_methods:get_mapped_address()
};
end
+
+function packet_methods:get_mapped_address()
+ local data = self:get_attribute("mapped-address");
+ if not data then return; end
+ return self:_unpack_address(data, false);
+end
function packet_methods:get_xor_mapped_address()
local data = self:get_attribute("xor-mapped-address");
if not data then return; end
- local family, port = struct.unpack("x>BI2", data);
- local addr = sxor(data:sub(5), magic_cookie..self.transaction_id);
- return {
- family = addr_families[family] or "unknown";
- port = bit32.bxor(port, 0x2112);
- address = net.ntop(addr);
- address_raw = data:sub(5);
- };
+ return self:_unpack_address(data, true);
end
function packet_methods:add_message_integrity(key)