** Also affects: lightdm/1.18
Importance: Undecided
Status: New
** Changed in: lightdm/1.18
Status: New => Fix Committed
** Changed in: lightdm/1.18
Importance: Undecided => Medium
** Changed in: lightdm/1.18
Assignee: (unassigned) => Robert Ancell (robert-ancell)
** Changed in: lightdm (Ubuntu Xenial)
Status: New => Fix Committed
** Changed in: lightdm (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: lightdm (Ubuntu Xenial)
Assignee: (unassigned) => Robert Ancell (robert-ancell)
** Changed in: lightdm (Ubuntu Xenial)
Importance: Medium => Critical
** Changed in: lightdm (Ubuntu Xenial)
Importance: Critical => High
** Description changed:
+ [Impact]
+ Ubuntu phone development requires in session greeter functionality to perform
suitably. This functionality does not exist in current versions of LightDM.
+
+ [Test Case]
+ 1. Install a session that supports in session greeter
+ 2. Log into that session
+ 3. Activate greeter functionality
+
+ Expected result:
+ It works
+
+ Observed result:
+ The functionality is not implemented.
+
+ [Regression Potential]
+ Some risk of changing existing behaviour, reduced by regression tests still
passing. Functionality is only enabled for sessions that opt-in to this
behaviour so additional security risks is limited to new sessions.
+
+ Original description:
+
We talked about this in person in Prague.
Ideally a greeter could run as in the user's session and act as a
lockscreen for the user as well as a way to authenticate/log-in as other
users.
This would let us avoid running a whole other session for the greeter on
the phone, which is memory intensive.
It might be easiest for unity8 if that API was still just liblightdm,
just running in a special mode. But I'm not picky on how it's done.
There may be security questions around this. I asked Jamie and Tyler
about it, I'll post any concerns from them.
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https://bugs.launchpad.net/bugs/1582242
Title:
Support a user-session mode for authenticating
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