bug#40405: System log files are world readable

[Ludovic Courtès]

Hi Diego,

Diego Nicola Barbato <address@hidden> skribis:

>>From 43c9ded791ce5b480504ce3528ee34578168f90e Mon Sep 17 00:00:00 2001
> From: Diego Nicola Barbato <address@hidden>
> Date: Tue, 7 Apr 2020 13:58:28 +0200
> Subject: [PATCH 1/2] service: Create log files as non-world-readable.
>
> * modules/shepherd/service.scm (exec-command): Create log-file with file
>   permissions #o640.

[...]

>>From e491436967a912e6e7372f582b3bf5c9784b8209 Mon Sep 17 00:00:00 2001
> From: Diego Nicola Barbato <address@hidden>
> Date: Tue, 7 Apr 2020 13:38:47 +0200
> Subject: [PATCH 2/2] service: Add #:file-creation-mask to
>  'make-forkexec-constructor'.
>
> * modules/shepherd/service.scm (exec-command): Add #:file-creation-mask
>   parameter and honor it.
>   (fork+exec-command): Add #:file-creation-mask parameter and pass it to
>   exec-command.
>   (make-forkexec-constructor): Add #:file-creation-mask parameter and pass it
>   to fork+exec-command.
> * doc/shepherd.texi (Service De- and Constructors): Adjust accordingly.

I went ahead and pushed these two patches.

We’ll need to test current Shepherd master on Guix, but I feel we’ve
accumulated enough improvements for a 0.7.1 release.

Thanks,
Ludo’.