On tis, 2015-09-22 at 08:39 +0200, Ahmed S. Darwish wrote: > Hi Alex, > > > > I'm currently making an update of the freedesktop and gnome > > sdk/runtime, and I guess if a pulseaudio 7 comes out soon I can put > > that in. However, I assume this is post-7 material? > > > > v7 is indeed around the corner. Arun has just stated that it might > be released "in a couple of days." [1] I'll try to get that into the next freedesktop.org and gnome runtimes then, although I'm not sure how important reving the client libs are in general. > For memfds, this is only the very first submission. Reviews by the > PA maintainers, and a big number of further iterations resulting > from such reviews, is warranted ;-) So, PA8 then. > So if I understood correctly, we can say that app_id > `org.gnome.music` > has access to permission CONNECT_PLAYBACK, and app_id > `org.gnome.Audacity' > has access to permissions CONNECT RECORD and CONNECT_PLAYBACK? > > If so, this can work nicely with Wim's PA access control patch series > posted here: > > Â http://article.gmane.org/gmane.comp.audio.pulseaudio.general/23282 Yeah, you have to make up some kind of id to give permissions on. So, in the pulseaudio table you would have an in, based on say a sink name, and you could then grant each "org.gnome.music" the permission "PLAYBACK" or whatever. If you want more generic permissions (not per- device) you can just make up some id for that. > > There is also some sample code here: > > Â http://cgit.freedesktop.org/xdg-app/xdg-app/tree/document-portal/x > > dp-util.c#n283 > > Which looks up the xdg-app app-id for a dbus invocation which can > > be > > used as inspiration for how to do this in pulseaudio. > > > > Hmmm .. commands sent from client to server (and vice versa) are done > through the low-latency "srbchannel" mechanism these days: a shared > ringbuffer + eventfds implementation; [2] no D-Bus is involved. > Yeah, you can't use that code as is, but as long as you can get the remote pid or remote cgroups list you can use the "bottom half" of it. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Alexander Larsson Red Hat, Inc alexl at redhat.com alexander.larsson at gmail.com He's a suave arachnophobic vampire hunter for the 21st century. She's a pregnant winged museum curator looking for love in all the wrong places. They fight crime!
