[Bug 1479014] Re: "Cancel", "Next", and "Sign In" functioning incorrectly on login or locked screen in "Sign In?" section

[Bruce Pieterse]

** Changed in: ubuntu-gnome
   Status: Triaged => Fix Released

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[Bug 1479014] Re: "Cancel", "Next", and "Sign In" functioning incorrectly on login or locked screen in "Sign In?" section

[Tim]

This has been fixed in wily, I don't think its a good idea to  sru 7
different patches into vivid at this late stage in the cycle (it will be
EOL in a few months). For the most part these are largely cosmetic fixes
and clearly some of these patches caused regressions, hence the large
number of patches, so its not clear if other patches have been missed.

** Changed in: gnome-shell (Ubuntu Vivid)
   Status: Triaged => Won't Fix

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[Bug 1479014] Re: "Cancel", "Next", and "Sign In" functioning incorrectly on login or locked screen in "Sign In?" section

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-shell - 3.16.4-0ubuntu1

---
gnome-shell (3.16.4-0ubuntu1) wily; urgency=medium

  * New upstream release
- fixes issues with gdm Auth prompt LP: #1479014

 -- Tim Lunn   Sun, 18 Oct 2015 08:43:05 +1100

** Changed in: gnome-shell (Ubuntu Wily)
   Status: Triaged => Fix Released

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[Bug 1479014] Re: "Cancel", "Next", and "Sign In" functioning incorrectly on login or locked screen in "Sign In?" section

[Tim]

** Also affects: gnome-shell (Ubuntu Wily)
   Importance: Low
   Status: Triaged

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  "Cancel", "Next", and "Sign In" functioning incorrectly on login or
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[Bug 1479014] Re: "Cancel", "Next", and "Sign In" functioning incorrectly on login or locked screen in "Sign In?" section

[The Unknown]

** Patch removed: "lp1479014_vivid_v1.debdiff"
   
https://bugs.launchpad.net/ubuntu/vivid/+source/gnome-shell/+bug/1479014/+attachment/4437034/+files/lp1479014_vivid_v1.debdiff

** Patch removed: "lp1479014_vivid_v2.debdiff"
   
https://bugs.launchpad.net/ubuntu/vivid/+source/gnome-shell/+bug/1479014/+attachment/4443022/+files/lp1479014_vivid_v2.debdiff

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  "Cancel", "Next", and "Sign In" functioning incorrectly on login or
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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

** Description changed:

  [Impact]
  
  There are five patches in this one fix. So there are five bugs which are
  fixed:
  
  - Bug [1]: If the Next button ever gets set to Sign In, it won't
  get reset to next until the next question asked by pam.
  
  - Bug [2]: Normally the user isn't allowed to proceed passed
  the username question until they've filled it in.
  To ensure this, the authprompt code desensitizes
  the next button when the number of characters change to
  zero.
  Unfortunately it fails to desensitize the next button
  up front when the entry starts out empty.
  
  - Bug [3]: Users are not allowed to cancel if the verification has not
  started yet and they are typing in their username.
  
  - Bug [4]: If the authPrompt gets reset for some other reason in the
  interim, this would mean that we don't fade the authentication prompt
  back in when it is needed.
  
  - Bug [5]: The user session will crash when the login screen is
  reactivated due to the fact that the previous the user verifier has not
  been cleared.
  
+ - Bug [6]: (LP: #752220) We currently only cancel the user verifier on
+ reset if verifying, but that means we don't properly cancel it when
+ asking for a username at the Not Listed screen.
+ 
  These are rather important things to be fixed as they make the login
  process more confusing and difficult.
  
  How the bugs are fixed:
  
  - Bug [1] fix: Reset Next button to Next when asking for username.
  
  - Bug [2] fix: Disallow the user to press Next when the username field
  is empty up front.
  
  - Bug [3] fix: authPrompt no longer ignores the request to cancel before
  a user has started verification and is still typing in their username.
  
  - Bug [4] fix: loginDialog now only skips the fade-in if we have already
- fadded-in. It now also only skips resetting if we have already reset.
+ faded-in. It now also only skips resetting if we have already reset.
  
  - Bug [5] fix: We now make sure that once the user verifier has
  completed its job (of user verification) that it gets cleared so that it
  does not get in the way later.
+ 
+ - Bug [6] fix: We now unconditionally cancel if the user verifier has
+ been reset.
  
  [Test Case]
  
  - Reproduce Bug [1]:
  
  On the first login screen (or log out - not lock), click Sign In?,
  then before doing anything else click Sign In, if the button allows
  you to press it and is not greyed out, then you have successfully
  reproduced this bug.
  
  - Reproduce Bug [2]:
  
  On the locked screen click Sign In?, then before doing anything else
  press Cancel. If nothing happens, you have successfully reproduced
  this bug.
  
  - Reproduce Bug [3]:
  
  On the locked screen click Sign In?, then in the username field, start
  entering your username (or any text), then instead of pressing Next,
  press Cancel, if nothing happens then you have successfully reproduced
  this bug.
  
  - Reproduce Bug [4]:
  
  Go to the login screen (or locked screen), reset the authentication
  prompt before you have reached VERIFICATION_SUCCEEDED, and if you see
  that the prompt does not fade back in, then you have successfully
  reproduced this bug.
  
-  - Reproduce Bug [5]:
+  - Reproduce Bug [5]:
  
  After you have logged in, go back to the login screen, if the user
  session crashes, then you have successfully reproduced this bug.
+ 
+ - Reproduce Bug [6]:
+ 
+ On the login screen go to the Not Listed section, and then attempt to
+ cancel. If it does not let you, then you have successfully reproduced
+ this bug.
  
  [Regression Potential]
  
  As these patches have already been put to practical use in the upstream
  version, and the patches which have been put to use in this version,
  have originated from those patches, I would say that the risk of
  regression is minimal.

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

** Patch added: lp1479014_vivid_v3.debdiff
   
https://bugs.launchpad.net/ubuntu/vivid/+source/gnome-shell/+bug/1479014/+attachment/4443308/+files/lp1479014_vivid_v3.debdiff

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, ok, I have applied that patch, and created a new debdiff with all
6 patches in it and attached it here. Let me know if you need anything
else.

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, ok, I did not see that one, but I would be happy to add it in and
I should be able to give you a new debdiff with it included by the end
of the day if not sooner.

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[Tim]

see https://bugzilla.gnome.org/show_bug.cgi?id=752438, that is what
caused bug 753181

** Bug watch added: GNOME Bug Tracker #752438
   https://bugzilla.gnome.org/show_bug.cgi?id=752438

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

How should I get them to do that? Do I just file a new bug report or try
and get in contact with them? Also, does this mean that the debdiff will
be scrapped, or will that still go in?

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Re: [Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[Tim]

email gnome-shell list.

For vivid it will need backport so 6 patches, not sure thats worth but
if you want to prepare ok, can push though

On 11/08/15 19:41, The Unknown wrote:
 How should I get them to do that? Do I just file a new bug report or try
 and get in contact with them? Also, does this mean that the debdiff will
 be scrapped, or will that still go in?


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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

Ok, I'll make the debdiff, also you refer to 6 patches, but I only see
5, as we have the 3 I have already done, and then 2 in the new bug
report, so where's the 6th one? Or are there only 5?

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, ok, I'll make the debdiff, also you refer to 6 patches, but I only
see 5, as we have the 3 I have already done, and then 2 in the new bug
report, so where's the 6th one? Or are there only 5?

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

As I could not find the 3rd patch you said you wanted me to add in, I
have added the two in the bug report:
https://bugzilla.gnome.org/show_bug.cgi?id=753181 There seem to only be
2 extra patches needed to fix the bugs. If there is another patch which
needs to be included, please let me know and I'd be happy to do so. I
have generated a new debdiff with all 5 patches in it. And also updated
the description, although my information on reproducing the last 2 bugs
is a little vague because I have not actually experienced them as I
would need to test the other patches in a testing environment to get the
2 other new bugs, and I have not. I have now also attached the new
debdiff.

** Description changed:

  [Impact]
  
- There are three patches in this one fix. So there are three bugs which
- are fixed:
+ There are five patches in this one fix. So there are five bugs which are
+ fixed:
  
  - Bug [1]: If the Next button ever gets set to Sign In, it won't
  get reset to next until the next question asked by pam.
  
  - Bug [2]: Normally the user isn't allowed to proceed passed
  the username question until they've filled it in.
  To ensure this, the authprompt code desensitizes
  the next button when the number of characters change to
  zero.
  Unfortunately it fails to desensitize the next button
  up front when the entry starts out empty.
  
  - Bug [3]: Users are not allowed to cancel if the verification has not
  started yet and they are typing in their username.
  
+ - Bug [4]: If the authPrompt gets reset for some other reason in the
+ interim, this would mean that we don't fade the authentication prompt
+ back in when it is needed.
+ 
+ - Bug [5]: The user session will crash when the login screen is
+ reactivated due to the fact that the previous the user verifier has not
+ been cleared.
+ 
  These are rather important things to be fixed as they make the login
  process more confusing and difficult.
  
  How the bugs are fixed:
  
  - Bug [1] fix: Reset Next button to Next when asking for username.
  
  - Bug [2] fix: Disallow the user to press Next when the username field
  is empty up front.
  
  - Bug [3] fix: authPrompt no longer ignores the request to cancel before
  a user has started verification and is still typing in their username.
+ 
+ - Bug [4] fix: loginDialog now only skips the fade-in if we have already
+ fadded-in. It now also only skips resetting if we have already reset.
+ 
+ - Bug [5] fix: We now make sure that once the user verifier has
+ completed its job (of user verification) that it gets cleared so that it
+ does not get in the way later.
  
  [Test Case]
  
  - Reproduce Bug [1]:
  
  On the first login screen (or log out - not lock), click Sign In?,
  then before doing anything else click Sign In, if the button allows
  you to press it and is not greyed out, then you have successfully
  reproduced this bug.
  
  - Reproduce Bug [2]:
  
  On the locked screen click Sign In?, then before doing anything else
  press Cancel. If nothing happens, you have successfully reproduced
  this bug.
  
  - Reproduce Bug [3]:
  
  On the locked screen click Sign In?, then in the username field, start
  entering your username (or any text), then instead of pressing Next,
  press Cancel, if nothing happens then you have successfully reproduced
  this bug.
  
+ - Reproduce Bug [4]:
+ 
+ Go to the login screen (or locked screen), reset the authentication
+ prompt before you have reached VERIFICATION_SUCCEEDED, and if you see
+ that the prompt does not fade back in, then you have successfully
+ reproduced this bug.
+ 
+  - Reproduce Bug [5]:
+ 
+ After you have logged in, go back to the login screen, if the user
+ session crashes, then you have successfully reproduced this bug.
+ 
  [Regression Potential]
  
- 1. You may notice that we only fade the authentication prompt back in if
- the auth prompt status is VERIFICATION_SUCCEEDED. It's possible for it
- to be NOT_VERIFYING if the authprompt gets reset for some other reason
- in the interim.
- 
- 2. You may also notice that the user session crashes when the login
- screen is reactivated.
+ As these patches have already been put to practical use in the upstream
+ version, and the patches which have been put to use in this version,
+ have originated from those patches, I would say that the risk of
+ regression is minimal.

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

** Patch added: lp1479014_vivid_v2.debdiff
   
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1479014/+attachment/4443022/+files/lp1479014_vivid_v2.debdiff

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

** Description changed:

  [Impact]
  
  There are three patches in this one fix. So there are three bugs which
  are fixed:
  
  - Bug [1]: If the Next button ever gets set to Sign In, it won't
  get reset to next until the next question asked by pam.
  
  - Bug [2]: Normally the user isn't allowed to proceed passed
  the username question until they've filled it in.
  To ensure this, the authprompt code desensitizes
  the next button when the number of characters change to
  zero.
  Unfortunately it fails to desensitize the next button
  up front when the entry starts out empty.
  
  - Bug [3]: Users are not allowed to cancel if the verification has not
  started yet and they are typing in their username.
  
  These are rather important things to be fixed as they make the login
  process more confusing and difficult.
  
  How the bugs are fixed:
  
  - Bug [1] fix: Reset Next button to Next when asking for username.
  
  - Bug [2] fix: Disallow the user to press Next when the username field
  is empty up front.
  
  - Bug [3] fix: authPrompt no longer ignores the request to cancel before
  a user has started verification and is still typing in their username.
  
  [Test Case]
  
  - Reproduce Bug [1]:
  
  On the first login screen (or log out - not lock), click Sign In?,
  then before doing anything else click Sign In, if the button allows
  you to press it and is not greyed out, then you have successfully
  reproduced this bug.
  
  - Reproduce Bug [2]:
  
  On the locked screen click Sign In?, then before doing anything else
  press Cancel. If nothing happens, you have successfully reproduced
  this bug.
  
  - Reproduce Bug [3]:
  
  On the locked screen click Sign In?, then in the username field, start
  entering your username (or any text), then instead of pressing Next,
  press Cancel, if nothing happens then you have successfully reproduced
  this bug.
  
- [Regression potential]
+ [Regression Potential]
  
- As these patches have already been put to practical use in the upstream
- version, and the patches which have been put to use in this version,
- have originated from those patches, I would say that the risk of
- regression is minimal.
+ 1. You may notice that we only fade the authentication prompt back in if
+ the auth prompt status is VERIFICATION_SUCCEEDED. It's possible for it
+ to be NOT_VERIFYING if the authprompt gets reset for some other reason
+ in the interim.
+ 
+ 2. You may also notice that the user session crashes when the login
+ screen is reactivated.

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, or would you prefer to deal with it? Although I would be happy to
if you want?

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, I was recently alerted to the fact that those patches also cause
this bug: https://bugzilla.gnome.org/show_bug.cgi?id=753181 There are
patches available to fix the bug caused by the other patches, what do
you want me to do? Create a new debdiff? Add to the old? Or would this
be for a different bug report with a new debdiff applying the patches?

As this is the sort of thing that I would assume goes in the regression
potential section, I have included details of it there.

** Bug watch added: GNOME Bug Tracker #753181
   https://bugzilla.gnome.org/show_bug.cgi?id=753181

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[Tim]

At this point I would suggest you try and get upstream to make a new
point release (i.e. 3.16.4) that would be more preferable than pulling
in the 6 odd patches that are required to fix this bug!

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[Thomas Ward]

@Tim (darkxst)  ACK on that.  Note that he *did* have to backport the
patches and adjust them, as they didn't cleanly apply apparently, from
what he told me in other chats, so I'm not sure the git headers would
survive that process.  The Unknown also has said that he's also unsure
of regression potentials.

Note that that I try and avoid desktop packages like the plague,
usually, and triage thereof, I'm hesitant about the procedure here.

Also, I'm not actually subscribed to this bug, as I already get server
team bugs and several other packages' bugs, as well as USNs and DSAs,
and security updates from other sources, so my emails and bug
attentiveness levels are already innundated.

I'll remember what you said in the future though.


--
Thomas

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Title:
  Cancel, Next, and Sign In functioning incorrectly on login or
  locked screen in Sign In? section

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

@Tim, Ok, well I have tried my best to do the regressions potential
section, although I understand that it may not be up to standards, but
at least I found something to put in there.

** Description changed:

  [Impact]
  
  There are three patches in this one fix. So there are three bugs which
  are fixed:
  
  - Bug [1]: If the Next button ever gets set to Sign In, it won't
  get reset to next until the next question asked by pam.
  
  - Bug [2]: Normally the user isn't allowed to proceed passed
  the username question until they've filled it in.
  To ensure this, the authprompt code desensitizes
  the next button when the number of characters change to
  zero.
  Unfortunately it fails to desensitize the next button
  up front when the entry starts out empty.
  
  - Bug [3]: Users are not allowed to cancel if the verification has not
  started yet and they are typing in their username.
  
  These are rather important things to be fixed as they make the login
  process more confusing and difficult.
  
  How the bugs are fixed:
  
  - Bug [1] fix: Reset Next button to Next when asking for username.
  
  - Bug [2] fix: Disallow the user to press Next when the username field
  is empty up front.
  
  - Bug [3] fix: authPrompt no longer ignores the request to cancel before
  a user has started verification and is still typing in their username.
  
  [Test Case]
  
  - Reproduce Bug [1]:
  
  On the first login screen (or log out - not lock), click Sign In?,
  then before doing anything else click Sign In, if the button allows
  you to press it and is not greyed out, then you have successfully
  reproduced this bug.
  
  - Reproduce Bug [2]:
  
  On the locked screen click Sign In?, then before doing anything else
  press Cancel. If nothing happens, you have successfully reproduced
  this bug.
  
  - Reproduce Bug [3]:
  
  On the locked screen click Sign In?, then in the username field, start
  entering your username (or any text), then instead of pressing Next,
  press Cancel, if nothing happens then you have successfully reproduced
  this bug.
+ 
+ [Regression potential]
+ 
+ As these patches have already been put to practical use in the upstream
+ version, and the patches which have been put to use in this version,
+ have originated from those patches, I would say that the risk of
+ regression is minimal.

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Title:
  Cancel, Next, and Sign In functioning incorrectly on login or
  locked screen in Sign In? section

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[Bug 1479014] Re: Cancel, Next, and Sign In functioning incorrectly on login or locked screen in Sign In? section

[The Unknown]

** Summary changed:

- Cancel button does not work at first when selecting user that is not listed 
on login screen
+ Cancel, Next, and Sign In functioning incorrectly on login or locked 
screen in Sign In? section

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Title:
  Cancel, Next, and Sign In functioning incorrectly on login or
  locked screen in Sign In? section

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