#dbus

[tom2tec]

Cavasik ~ CAVA Based Audio Visualizer

This is an audio visualizer based on CAVA with extended capabilities. Features: Change background and foreground colors through a DBus interface! Five normal drawing modes! Two circle drawing modes! Three mirror drawing modes! Four drawing directions! Customizable LibAdwaita interface! Set a single color or up to a 10 color linear gradient for background and foreground! Select…

Cavasik ~ CAVA Based Audio Visualizer

[bus-latest-news]

Dbus amplía las instalaciones de cocheras con un nuevo aparcamiento exterior

Dbus amplía las instalaciones de cocheras con un nuevo aparcamiento exterior. #BusLatestNews @BusLatestNews

Hoy ha tenido lugar la presentación de la ampliación realizada en las Cocheras de Dbus, ubicadas en la zona de Marrutxipi de San Sebastián. Se trata de un nuevo aparcamiento exterior que va a permitir albergar de manera cómoda todos los vehículos de la flota, que se encuentra en continuo crecimiento y renovación, y permitirá seguir incorporando nuevos autobuses al servicio del transporte público…

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[2daygeek]

CVE-2019-12749 : Debian has Released Security Update for dbus

CVE-2019-12749 : Debian has Released Security Update for dbus

Debian has released security update for dbus package.

This release fixes vulnerability against zookeeper package.

Date Reported: 11-June-2019

Fix Released On: 13-June-2019

Severity Level: Low

Affected Packages: dbus

Affected Operating System & Version:

Debian 8 (Jessie)

Debian 9 (Stretch)

Details:

Joe Vennix discovered an authentication bypass vulnerability in dbus, an…

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[diegobesne]

Me gusta ilustrar historias. Dibujar el momento. Esta vez me ha tocado ilustrar 5 historias "anónimas" de usuarios de @dbusdonostia. Ha sido un placer @breakingmolds! #ilustracion #illustration #dbus #campaña #campaign #sketch #urbansketch #illustratedbydiegobesné #diegobesné #donostia #sansebastian (en Donostia-San Sebastián, Spain)

[marcpeillustration]

ILUSTRACIÓN SOBRE BUS

[the-macaque-blog]

QDBus daemon crashing with a dbus-message.c assert

You might have had the following error in your dbus daemon at some point and said to yoursefl WTF???

process 1288: arguments to dbus_message_set_error_name() were incorrect, assertion "error_name == NULL || _dbus_check_is_valid_error_name (error_name)" failed in file dbus-message.c line 2900.

Well, you are not the only one and I might be able to point you to the correct direction, your code is probably returnning a QDBusError that you created using the QDBusError::Other enum. The problem here is that the enum value your are using only indicates that the error name is not known and therefore cannot be match to a value in the QDBusError enum. When you use that enumerator the message created does have an incorrect name as follows:

QDBusMessage(type=Error, service="", error name="other", error message="msg", signature="", contents=() )

And "other" is, of course, not a valid DBus name and thefore the app crashes. Easies way to solve it, create a correct DBusError ;)

[conundrum]

Because dbus is portable to Windows, AIX and other such horrors, the main loop glue in particular has to have interesting contortions to work around things like OSs with no poll(), OSs that can't aggregate a bunch of fds and timeouts into one big meta-fd via modern designs like timerfd/epoll, and so on. Moving on to look at other libraries in the ecosystem around dbus, let's look at Avahi. It has its own implementation of a linked list; a hash table; a priority queue; several alternative (!) simple main loops; main-loop integration glue for "full-fat" main loops like GLib and Qt; UTF-8 validation; hey this is all looking remarkably familiar. systemd? Linked list; hash table; main loop (although at least systemd doesn't aim to be portable beyond Linux, so it can assume timerfd and epoll); UTF-8; again, all rather familiar. systemd's competitor, Upstart? Well there's a library called libnih, that's clearly an excellent start. I haven't looked at it in detail but I'm pretty sure it has all the same sorts of things in. Let's try something a bit different: Cairo, a rendering library. Oh look, there's the linked list. And the hash table. And some Unicode support. At least I haven't seen a main loop yet. libxml, perhaps? Linked list, check. Unicode, check. Their hash table is called "dict", their I/O abstraction is 4k lines long and includes http and ftp, and I don't immediately see a main loop but I wasn't looking very hard. I have to wonder, how many partial "make C not awful" libraries are there on my Linux laptop, and how many copies of GLib could I fit in the same amount of space they use? :-) Hence my tendency to recommend "if you can, use GLib or similar; if you think you can't, reconsider your constraints before proceeding" over reinventing it for the nth time.

Synchronous method in asynchronous signal callback

Simon drops the hammer on dbus-list.

[imminjun]