GNU logs - #75390, boring messages

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Subject: bug#75390: least-authority-wrapper for bitlbee-service-type breaks Bonjour support
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From: Ricardo Wurmus <rekado@HIDDEN>
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The bitlbee-service-type uses the least-authority-wrapper to run bitlbee
in a container.  A side effect when using bitlbee-purple is that the
Bonjour protocol no longer works as bitlbee cannot connect to the local
mDNS server:

--8<---------------cut here---------------start------------->8---
<@rekado> account add bonjour rekado
<root> Account successfully added with tag bonjour
<@rekado> account on
<root> Trying to get all accounts connected...
<root> bonjour - Login error: Unable to establish connection with the local
       mDNS server.  Is it running?
<root> bonjour - Logging in: Signing off..
<root> bonjour - Logging in: Reconnecting in 5 seconds..
--8<---------------cut here---------------end--------------->8---

It works fine when running bitlbee manually.

The Bonjour protocol allows for serverless messaging, which is also used
by the Sugar desktop's Chat activity.

-- 
Ricardo

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Ricardo Wurmus <rekado@HIDDEN>
Subject: bug#75390: Acknowledgement (least-authority-wrapper for
 bitlbee-service-type breaks Bonjour support)
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Date: Sun, 05 Jan 2025 20:45:02 +0000

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Message sent to bug-guix@HIDDEN:

Subject: bug#75390: least-authority-wrapper for bitlbee-service-type breaks Bonjour support
Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
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To: Ricardo Wurmus <rekado@HIDDEN>
Cc: 75390 <at> debbugs.gnu.org
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
In-Reply-To: <878qrpgfeh.fsf@HIDDEN> (Ricardo Wurmus's message of "Sun,
 05 Jan 2025 21:43:50 +0100")
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Date: Wed, 08 Jan 2025 10:07:18 +0100
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--=-=-=
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Hello!

Ricardo Wurmus <rekado@HIDDEN> skribis:

> The bitlbee-service-type uses the least-authority-wrapper to run bitlbee
> in a container.  A side effect when using bitlbee-purple is that the
> Bonjour protocol no longer works as bitlbee cannot connect to the local
> mDNS server:
>
> <@rekado> account add bonjour rekado
> <root> Account successfully added with tag bonjour
> <@rekado> account on
> <root> Trying to get all accounts connected...
> <root> bonjour - Login error: Unable to establish connection with the local
>        mDNS server.  Is it running?
> <root> bonjour - Logging in: Signing off..
> <root> bonjour - Logging in: Reconnecting in 5 seconds..

I never used this feature, but I suspect the patch below should fix it:


--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline

diff --git a/gnu/services/messaging.scm b/gnu/services/messaging.scm
index a914d0f89e..f796afbc82 100644
--- a/gnu/services/messaging.scm
+++ b/gnu/services/messaging.scm
@@ -850,6 +850,12 @@ (define bitlbee-shepherd-service
                                         (file-system-mapping
                                          (source "/run/current-system/locale")
                                          (target source))
+                                        (file-system-mapping ;for Avahi
+                                         (source "/var/run/dbus")
+                                         (target source))
+                                        (file-system-mapping
+                                         (source "/run/avahi-daemon")
+                                         (target source))
                                         (file-system-mapping
                                          (source conf)
                                          (target conf)))

--=-=-=
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Only problem is that things may go wrong if these directories don=E2=80=99t
exist.

So I think we should add a =E2=80=98bonjour?=E2=80=99 field in the config r=
ecord, add
these mapping conditionally, and also add a Shepherd requirement on
=E2=80=98avahi-daemon=E2=80=99.

> The Bonjour protocol allows for serverless messaging, which is also used
> by the Sugar desktop's Chat activity.

Interesting!

Ludo=E2=80=99.

--=-=-=--

Last modified: Sun, 12 Jan 2025 05:45:02 UTC

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Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.