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Re: auth-source-search regex/fuzzy/partial match

From: Pierre Penninckx
Subject: Re: auth-source-search regex/fuzzy/partial match
Date: Thu, 13 Aug 2020 23:37:39 -0700
User-agent: mu4e 1.5.5; emacs 27.1

> On Fri, 21 Jun 2019 21:41:06 -0700 Pierre Penninckx <ibizapeanut@gmail.com> 
> wrote:
> PP> I was wondering if some work was done already to allow for
> PP> `auth-source-search' to return entries that partially match the given
> PP> spec. I didn't find anything on this subject after a some research.
> PP> For example, say `(auth-source-search :host "test" :max 10)' finds one 
> match.
> PP> I'd like `:host "tes"' or `:host "est"' to find that match too.
> PP> If a backend provides something like this, it's by using some custom
> PP> code circumventing `auth-source-search'.
> PP> I'm thinking the best way to add this would be to enhance the `spec'
> PP> argument from `auth-source-search' to take an additional `:regex'
> PP> property.
> PP> Or would adding a new function make more sense?
> Hi Pierre. Sorry for the late reply.
> We can certainly add this generally, but my concern is that it would
> make queries less precise and thus a little more likely to leak
> credentials unintentionally.
> OTOH I can imagine some use cases for :host regex matching specifically:
> * based on the domain name, ignoring the hostname
> * based on a hostname pattern without the domain name
> * against the whole FQDN
> Would that be sufficient for your needs or would you propose other use cases?
> Thank you
> Ted

Thanks Ted for answering.

It's been a while since I didn't need this - I don't even remember why I
needed this in the first place.

If I ever get the need again, I'll reply with a thorough email. :)

Have a great day,

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