This seems to be the problematic code, in /usr/bin/xfailsafedialog:
class FailSafeDialog:
def __init__(self):
self.options = FailSafeOptions()
# Homage to glade
gtk.window_set_default_icon_name("display-capplet")
header = _("Ubuntu is running in low-graphics mode")
msg = _("Your screen and graphics card could not be detected "
"correctly. To use higher resolutions, visual effects "
"or multiple screens, you have to configure the display "
"yourself.")
...
dia.add_button(_("_Shut Down"), RESPONSE_SHUTDOWN)
...
elif res == RESPONSE_SHUTDOWN:
print "shutdown"
os.system("/sbin/shutdown now")
Not sure why shutdown now is leaving the user at a prompt though.
Anyone got an idea there?
xfailsafedialog is getting called via gksu:
/usr/bin/gksu -u root "/usr/bin/xfailsafedialog"
However come to think of it, I've never seen the root password prompt.
Anyone got a better solution that causes a password to be prompted for?
Re-filing to displayconfig-gtk since the primary issue seems localized
to its code in any case.
** Changed in: displayconfig-gtk (Ubuntu)
Sourcepackagename: xorg => displayconfig-gtk
--
privilege escalation when canceling the low-graphics warning prompt
https://bugs.launchpad.net/bugs/190370
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