Minimum netmask in Redis multimap

diff --git a/src/plugins/lua/multimap.lua b/src/plugins/lua/multimap.lua
index ea3508a6063ee8989ab2d5e54e5e8c1bd8a4b634..ca32a8d217963c243e92402f6e4f5a1fc2605ae3 100644 (file)
--- a/src/plugins/lua/multimap.lua
+++ b/src/plugins/lua/multimap.lua
@@ -383,11 +383,13 @@ local function multimap_callback(task, rule)
         (r['filter'] == 'real_ip' or r['filter'] == 'from_ip' or not r['filter'])) then
         srch = {value:to_string()}
         cmd = 'HMGET'
-        local bits = 128
+        local maxbits = 128
+        local minbits = 32
         if value:get_version() == 4 then
-            bits = 32
+            maxbits = 32
+            minbits = 8
         end
-        for i=bits,1,-1 do
+        for i=maxbits,minbits,-1 do
             local nip = value:apply_mask(i):to_string() .. "/" .. i
             table.insert(srch, nip)
         end