[isf-wifidog] Support multiple gateway interfaces

[Benoit Grégoire]

On 18 March 2008, Wichert Akkerman wrote:
> For a project I am working on I need to run a hotspot on multiple subnets
> from a single gateway. Looking around in the widfidog gateway source this
> should not be hard to do: a few changes to make config->gw_interface a list
> instead of a single-valued items and change iptables_fw_init to setup the
> rules for all interfaces.
>
> I am wondering what the best way to implement the configuration file logic
> is: it will need a few changes to accomdate GatewayAddress when multiple
> interfaces are present. I would like to propose a simple change:
>
> - modify the GatewayInterface statement to take an optional ip address
>    as second parameter
> - only accept GatewayAddress if a single GatewayInterface is defined
>
> that way existing configurations continue to work while providing a path
> for multiple gateway interface support.

Personally, I'd just go with a coma-separated list of interfaces as 
GatewayInterface, and deprecate the GatewayAddress parameter.



-- 
Benoit Grégoire
Technologies Coeus inc.