Be aware: do it at your own risk!! Upgrading a wrong modified firmware can brick your device and void your warranty.

So, let’s start by downloading the DNS-323 firmware tools here. You’ll need Ruby 1.8 installed on your machine to use these tools.

Use the splitdns323fw command to split the firmware. I upgraded my NAS using the 1.09 firmware version from DLInk (the file is named dns323_fw_109), so my split command was like this:
./splitdns323fw dns323_fw_109 -k kernel.bin -i initrd.bin -d defaults.tar.gz

Now you can repack the firmware remembering that the only difference between the two devices is the custom ID: this identification number is 2 for the CH3SNAS and 1 for the DNS-323.
So here is the repack command line:
./mkdns323fw -k kernel.bin -i initrd.bin -d defaults.tar.gz -c 2 -m 1 -p 7 -s FrodoII -o CH3SNS_fw_109

Now you should have a file called CH3SNS_fw_109 that could be safely uploaded to your CH3SNAS device using the admin utility page.
The same result can be achieved using an HEX editor to directly change the custom id from 1 to 2…but this way is (IMHO) more clean, and allows you also to change default values for your device: looking into the defaults.tar.gz archive you will find a lot of configuration files and change them as you prefer (yes, you can uncompress defaults.tar.gz using tar xvfz defaults.tar.gz and then recompress it using tar cvfz defaults.tar.gz defaults/).

That’s it…happy upgrading your (really old) firmware!

Note: I’ve done the entire process using a MacOSX box, and it’ll work perfectly on any Linux distro. I really don’t know about Windows, sorry. Don’t ask please.
UPDATE: you can fine my hacked firmware version here. Use it at your own risk: I’m not responsible of possible damages to your device

UPDATE 2: Thanks to Speek1984 now there is a “back to CH3SNAS” firmware. You can use it if you want to restore your NAS with it’s original software. Download it here. As usual, use it at your own risk, no one here will be responsible for bricked devices!

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StopWatch = function(label) {
    if(!label)
        label = 'StopWatch';
    var start = (new Date());
    var end = start;
 
    this.stop = function(intermediateLabel) {
        end = (new Date());
        if(!intermediateLabel)
            intermediateLabel = '';
        else
            intermediateLabel = '.' + intermediateLabel;
        console.log('[' + label + intermediateLabel + ']: ' + (end-start) + 'ms');
    }
}

Use it in this way:

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var myFunction = function() {
    var watch = new StopWatch('my stop watch');
    //do something interesting here...
    watch.stop('intermediate time');
    //do another interesting thing here... 
    watch.stop();
}
myFunction();

In your console log you should see something like this:

[my stop watch.intermediate time]: xxxxms
[my stop watch]: xxxxms

Good luck timing your code…

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def serialize(root):
        xml = ''
        for key in root.keys():
            if isinstance(root[key], dict):
                xml = '%s<%s>\n%s</%s>\n' % (xml, key, serialize(root[key]), key)
            elif isinstance(root[key], list):
                xml = '%s<%s>' % (xml, key)
                for item in root[key]:
                    xml = '%s%s' % (xml, serialize(item))
                xml = '%s</%s>' % (xml, key)
            else:
                value = root[key]
                xml = '%s<%s>%s</%s>\n' % (xml, key, value, key)
        return xml

A complete example can be found here: serialiaze.py

Enjoy.

The plugin is useful only if your version of Rhythmbox does not support D-Bus API, since Gajim from versoin 0.11 speaks directly to Rhythmbox via its D-Bus API.

Download the plugin here.