[Mageia-dev] [RFC] nspluginwrapper should exclude native x86_64 plugins from wrapping

Wed Oct 12 12:39:14 CEST 2011

Am 12.10.2011 12:29, schrieb Pascal Terjan:
+> On Wed, Oct 12, 2011 at 11:24, Florian Hubold<doktor5000 at arcor.de>  wrote:
+>> Hey there,
+>>
+>> currently nspluginwrapper tries to wrap x86_64 plugins (like native x86_64
+>> flash player plugin), but there is only i386 npviewer which is needed to run
+>> the plugins.
+> I'm quite sure we used to have the x86-64 version too
+Well, seems not from looking at the history of our nspluginwrapper. Also seems 
+Mandrivas SVN history
+got wiped out and so we can only look in changelog, nothing obvious about 
+x86_64 npviewer there.
+Do you have any links?
+
+>> You can see the problem from the following output, which are a
+>> more verbose form of the scripts run through nspluginwrapper filetrigger:
+>>
+>> $ nspluginwrapper -v -i /usr/lib64/mozilla/plugins/libflashplayer.so
+>> *** NSPlugin Viewer  *** ERROR:
+>> /usr/lib64/mozilla/plugins/libflashplayer.so: wrong ELF class: ELFCLASS64
+>> nspluginwrapper: no appropriate viewer found for
+>> /usr/lib64/mozilla/plugins/libflashplayer.so
+>>
+>> In my and Anssi's opinion, nspluginwrapper.script (from nspluginwrapper
+>> filetrigger,
+>> http://svnweb.mageia.org/packages/cauldron/nspluginwrapper/current/SOURCES/nspluginwrapper.script?view=markup
+>> ) should be modified by excluding /usr/lib64. BTW the scripts run during is
+>> nspluginwrapper installation/removal get it right by only using /usr/lib:
+>> http://svnweb.mageia.org/packages/cauldron/nspluginwrapper/current/SPECS/nspluginwrapper.spec?view=markup
+>> Anybody more knowledgeable on nspluginwrapper care to share his opinion, or
+>> are there other reasons for objections?
+> It used to be a good way to separate plugin execution into another
+> process which is good for security/stability but browsers include that
+> feature now
+>
+>> Also are there good reasons to still use nspluginwraper for flash player at
+>> all, as all current browser support out-of-thread execution of plugins and
+>> flash-player-plugin is available as native i586 and x86_64 plugins?
+> Indeed it is now less useful
+Can i take that as +1 to exclude flash-player-plugin from wrapping?
+