* ffluci.sys.net.hexip4: Added option for big endian support

[project/luci.git] / core / src / ffluci / sys.lua

diff --git a/core/src/ffluci/sys.lua b/core/src/ffluci/sys.lua
index c97017d8d039f5b381702225f7cf4e0264e23f31..44855f8ef392d12dce504dea882d1b3ddd1a7f87 100644 (file)
--- a/core/src/ffluci/sys.lua
+++ b/core/src/ffluci/sys.lua
@@ -143,8 +143,8 @@ function net.routes()
        return _parse_delimited_table(io.lines("/proc/net/route"))
 end
 
--- Returns the numeric IP to a given hexstring
-function net.hexip4(hex)
+-- Returns the numeric IP to a given hexstring (little endian)
+function net.hexip4(hex, bigendian)
        if #hex ~= 8 then
                return nil
        end
@@ -152,10 +152,17 @@ function net.hexip4(hex)
        local hexdec = ffluci.bits.Hex2Dec
        
        local ip = ""
-       ip = ip .. tostring(hexdec(hex:sub(7,8))) .. "."
-       ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
-       ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
-       ip = ip .. tostring(hexdec(hex:sub(1,2)))
+       if bigendian then
+               ip = ip .. tostring(hexdec(hex:sub(1,2))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(7,8)))
+       else
+               ip = ip .. tostring(hexdec(hex:sub(7,8))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
+               ip = ip .. tostring(hexdec(hex:sub(1,2)))
+       end
        
        return ip
 end