luci-base: ipmask, ipmask4 and ipmask6 validators

These validators accept IP address specifications in the form

 - address
 - address/bits
 - address/netmask

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/modules/luci-base/htdocs/luci-static/resources/cbi.js b/modules/luci-base/htdocs/luci-static/resources/cbi.js
index 0ca7e26..8e66cbc 100644 (file)
--- a/modules/luci-base/htdocs/luci-static/resources/cbi.js
+++ b/modules/luci-base/htdocs/luci-static/resources/cbi.js
@@ -118,6 +118,50 @@ var cbi_validators = {
                return false;
        },
 
                return false;
        },
 

+       'ipmask': function()
+       {
+               return cbi_validators.ipmask4.apply(this) ||
+                       cbi_validators.ipmask6.apply(this);
+       },
+
+       'ipmask4': function()
+       {
+               var ip = this, mask = 32;
+
+               if (ip.match(/^(\S+)\/(\S+)$/))
+               {
+                       ip = RegExp.$1;
+                       mask = RegExp.$2;
+               }
+
+               if (!isNaN(mask) && (mask < 0 || mask > 32))
+                       return false;
+
+               if (isNaN(mask) && !cbi_validators.ip4addr.apply(mask))
+                       return false;
+
+               return cbi_validators.ip4addr.apply(ip);
+       },
+
+       'ipmask6': function()
+       {
+               var ip = this, mask = 128;
+
+               if (ip.match(/^(\S+)\/(\S+)$/))
+               {
+                       ip = RegExp.$1;
+                       mask = RegExp.$2;
+               }
+
+               if (!isNaN(mask) && (mask < 0 || mask > 128))
+                       return false;
+
+               if (isNaN(mask) && !cbi_validators.ip6addr.apply(mask))
+                       return false;
+
+               return cbi_validators.ip6addr.apply(ip);
+       },
+

        'port': function()
        {
                var p = Int(this);
        'port': function()
        {
                var p = Int(this);

diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 9b48643..2039a35 100644 (file)
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -131,6 +131,40 @@ function ip6prefix(val)
        return ( val and val >= 0 and val <= 128 )
 end
 
        return ( val and val >= 0 and val <= 128 )
 end
 

+function ipmask(val)
+       return ipmask4(val) or ipmask6(val)
+end
+
+function ipmask4(val)
+       local ip, mask = val:match("^([^/]+)/([^/]+)$")
+       local bits = tonumber(mask)
+
+       if bits and bits < 0 or bits > 32 then
+               return false
+       end
+
+       if not bits and not ip4addr(mask) then
+               return false
+       end
+
+       return ip4addr(ip or val)
+end
+
+function ipmask6(val)
+       local ip, mask = val:match("^([^/]+)/([^/]+)$")
+       local bits = tonumber(mask)
+
+       if bits and bits < 0 or bits > 128 then
+               return false
+       end
+
+       if not bits and not ip6addr(mask) then
+               return false
+       end
+
+       return ip6addr(ip or val)
+end
+

 function port(val)
        val = tonumber(val)
        return ( val and val >= 0 and val <= 65535 )
 function port(val)
        val = tonumber(val)
        return ( val and val >= 0 and val <= 65535 )