Re: Generic helper I/O format

On 07/04/2012 04:52 PM, Amos Jeffries wrote:
> On 05.07.2012 08:34, Henrik Nordström wrote:
>> ons 2012-07-04 klockan 13:02 -0600 skrev Alex Rousskov:
>
> Alex,
> before starting I went through each of the helper response styles we
> have and documented exactly what comes and goes
> (http://wiki.squid-cache.org/Features/AddonHelpers) to determined that
> none of the response formats started with a token containing [a-z0-9]
> then "=". We are *not* starting from a random-input state where <blob>
> can overlap with <key>.

I thought you wanted a general format. I agree that current bodies will
not clash with current keys.

Alex.

> Anything which does not start with a registered <result> status code, is
> <blob> automatically. The ones which do use <result> are safely mapped
> to the key-pair format based on the presence of a valid "key=" token, or
> its absence indicating <blob> to be handled by the old parser.
>
> Have a look through that wiki page at the set of "Result line sent back
> to Squid" and its clear.

> The proposed shared format is *exactly* what external ACL already
> processes. It also if you look at the code has the proposed background
> <blob> for backward compatibility with some squid-2.5 era helpers which
> only sent a <reason> field in plain-text (random input! yuck, as an
> established PoC it seems not to have had any complaints).
>
> Amos
Received on Wed Jul 04 2012 - 23:11:04 MDT