Bug#419672: gksu looses keyboard focus when "Remember password" is checked by using Space

[Wiktor Wandachowicz]

Package: gksu
Version: 2.0.0-1
Severity: normal

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When using gksu to run programs with root privileges it is possible to
check the option to "Remember password" during current session or to
store it in the keychain. However, there is one exact moment when the
program looses keyboard focus, so all subsequent characters are being
passed to the first foreground program that was currently active before
starting gksu.

The problem applies only to the mode when gksu is asking for the root's
password and not when used in sudo mode (gksudo).


Steps to reproduce:

1. Open text editor, create new document and leave it open.
2. Try to start a program with root privileges, for example
   press Alt+F2 and type:

   gksu /usr/bin/gnome-terminal

3. In the screen asking for root's password, try to check
   and uncheck the "Remember password" option. It should work
   correctly. It can confirmed by checking/unchecking the option
   and moving the focused element using the Tab key.

4. Press Tab enough times to select "Remember password" again.

5. Press Space to check/uncheck the option. Press some other
   random keys, press Tab several times - nothing happens.
   Additionally, the password screen cannot be closed by any
   keys combination: Esc, Alt+F4 no longer work.

6. Cancel the password screen using mouse.
7. Admire all the random characters previously pressed in 5th
   point typed right into the editor document.


This problem reveals itself mostly in Debian and not in Ubuntu,
as with the latter sudo is being used as a default setting.
However, I was able to reproduce the same behavior in Gentoo, so
the problem doesn't seem to be distro-specific.

With kind regards,
Wiktor Wandachowicz


-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-686
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)

Versions of packages gksu depends on:
ii  gnome-keyring               0.6.0-3      GNOME keyring services (daemon and
ii  libatk1.0-0                 1.12.4-3     The ATK accessibility toolkit
ii  libc6                       2.3.6.ds1-13 GNU C Library: Shared libraries
ii  libcairo2                   1.2.4-4      The Cairo 2D vector graphics libra
ii  libfontconfig1              2.4.2-1.2    generic font configuration library
ii  libgconf2-4                 2.16.1-1     GNOME configuration database syste
ii  libgksu2-0                  2.0.3-7      library providing su and sudo func
ii  libglib2.0-0                2.12.4-2     The GLib library of C routines
ii  libgnome-keyring0           0.6.0-3      GNOME keyring services library
ii  libgtk2.0-0                 2.8.20-7     The GTK+ graphical user interface
ii  liborbit2                   1:2.14.3-0.1 libraries for ORBit2 - a CORBA ORB
ii  libpango1.0-0               1.14.8-5     Layout and rendering of internatio
ii  libstartup-notification0    0.8-2        library for program launch feedbac
ii  libx11-6                    2:1.0.3-7    X11 client-side library
ii  libxcursor1                 1.1.7-4      X cursor management library
ii  libxext6                    1:1.0.1-2    X11 miscellaneous extension librar
ii  libxfixes3                  1:4.0.1-5    X11 miscellaneous 'fixes' extensio
ii  libxi6                      1:1.0.1-4    X11 Input extension library
ii  libxinerama1                1:1.0.1-4.1  X11 Xinerama extension library
ii  libxrandr2                  2:1.1.0.2-5  X11 RandR extension library
ii  libxrender1                 1:0.9.1-3    X Rendering Extension client libra
ii  sudo                        1.6.8p12-4   Provide limited super user privile

gksu recommends no packages.

-- no debconf information