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Re: Renewing certificates with certbot

From: swedebugia
Subject: Re: Renewing certificates with certbot
Date: Fri, 22 Feb 2019 18:57:26 +0100

On 2019-02-22 14:49, Julien Lepiller wrote:
> Hi,
> I use certificates from let's encrypt for my website and mail servers,
> and found that there was an issue with certificates generated by the
> certbot service in Guix: the generated private keys are world-readable
> (in a directory that cannot be accessed by anyone but root, so it's OK I
> guess). OpenSMTPD is not happy with that though, so I have to chmod the
> files every time. I came up with a variant of the deploy-hook that's
> presented in the manual, and I'd like to update the example with it.
> Here it is:
> ;; Find running nginx and reload its configuration (for certificates)
> (define %my-deploy-hook
>   (program-file
>    "my-deploy-hook"
>    #~(let* ((pid (call-with-input-file "/var/run/nginx/pid" read))
>             (cert-dir (getenv "RENEWED_LINEAGE"))
>             (privkey (string-append cert-dir "/privkey.pem")))
>        ;; certbot private keys are world-readable by default, and smtpd
> complains
>        ;; about that, refusing to start otherwise
>        (chmod privkey #o600)
>        (kill pid SIGHUP))))
> What do you think?


Cheers Swedebugia

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