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-rw-r--r--libs/core/luasrc/ip.lua36
1 files changed, 23 insertions, 13 deletions
diff --git a/libs/core/luasrc/ip.lua b/libs/core/luasrc/ip.lua
index 391dced02..a33c34964 100644
--- a/libs/core/luasrc/ip.lua
+++ b/libs/core/luasrc/ip.lua
@@ -77,11 +77,13 @@ ntohl = htonl
function IPv4(address, netmask)
address = address or "0.0.0.0/0"
+ local obj = __bless({ FAMILY_INET4 })
+
local data = {}
local prefix = address:match("/(.+)")
if netmask then
- prefix = IPv4():prefix(netmask)
+ prefix = obj:prefix(netmask)
elseif prefix then
address = address:gsub("/.+","")
prefix = tonumber(prefix)
@@ -100,24 +102,25 @@ function IPv4(address, netmask)
if b1 and b1 <= 255 and
b2 and b2 <= 255 and
b3 and b3 <= 255 and
- b4 and b4 <= 255
+ b4 and b4 <= 255 and
+ prefix
then
- return __bless({
- FAMILY_INET4,
- { b1 * 256 + b2, b3 * 256 + b4 },
- prefix
- })
+ table.insert(obj, { b1 * 256 + b2, b3 * 256 + b4 })
+ table.insert(obj, prefix)
+ return obj
end
end
function IPv6(address, netmask)
address = address or "::/0"
+ local obj = __bless({ FAMILY_INET6 })
+
local data = {}
local prefix = address:match("/(.+)")
if netmask then
- prefix = IPv6():prefix(netmask)
+ prefix = obj:prefix(netmask)
elseif prefix then
address = address:gsub("/.+","")
prefix = tonumber(prefix)
@@ -180,8 +183,10 @@ function IPv6(address, netmask)
end
end
- if #data == 8 then
- return __bless({ FAMILY_INET6, data, prefix })
+ if #data == 8 and prefix then
+ table.insert(obj, data)
+ table.insert(obj, prefix)
+ return obj
end
end
@@ -251,8 +256,9 @@ function cidr.prefix( self, mask )
if mask then
prefix = 0
-
+ local stop = false
local obj = self:is4() and IPv4(mask) or IPv6(mask)
+
if not obj then
return nil
end
@@ -261,9 +267,13 @@ function cidr.prefix( self, mask )
local pos = bit.lshift(1, 15)
for i=15, 0, -1 do
if bit.band(block, pos) == pos then
- prefix = prefix + 1
+ if not stop then
+ prefix = prefix + 1
+ else
+ return nil
+ end
else
- return prefix
+ stop = true
end
pos = bit.rshift(pos, 1)
end