#!/bin/sh -e

# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.

# Use of this source code is governed by a BSD-style license that can be

# found in the LICENSE file.

# This isn't a real target; it's the common commands for installing various

# forms of X11.

### Append to prepare.sh:

# Store and apply the X11 method

ln -sfT "/etc/crouton/xserverrc-$XMETHOD" '/etc/X11/xinit/xserverrc'

# Install utility for croutoncycle

compile wmtools '-lX11' libx11-dev

# Install utilities and links for powerd-poking daemon

compile xi2event '-lX11 -lXi' libx11-dev libxi-dev

install --minimal dbus

ln -sf croutonpowerd /usr/local/bin/gnome-screensaver-command

ln -sf croutonpowerd /usr/local/bin/xscreensaver-command

# Install xbindkeys and xautomation for key shortcuts and kbd for chvt

install --minimal xbindkeys xautomation kbd

# Make chvt SUID root so we don't need to run croutoncycle as root

chmod u+s /bin/chvt

# Add a blank Xauthority to all users' home directories

touch /etc/skel/.Xauthority

chmod 600 /etc/skel/.Xauthority

# Make xscreensaver default to blank only

echo 'mode: blank' > /etc/skel/.xscreensaver

# Create /usr/share/desktop-directories to avoid issues with xdg-desktop-menu

mkdir -p /usr/share/desktop-directories

# Prevent Upstart from taking over X sessions

echo > /etc/upstart-xsessions

# This makes sure Xephyr, running as user, can write server-*.xkm files to

# /var/lib/xkb, so it does not conflict with files created by Chromium OS

# X server in /tmp.

mkdir -p /var/lib/xkb

chgrp video /var/lib/xkb

chmod g+rw /var/lib/xkb

# Update policies for mounting and unmounting devices with udisks2

mkdir -p '/etc/polkit-1/localauthority/10-vendor.d'

cat > '/etc/polkit-1/localauthority/10-vendor.d/10-crouton-udisks2.pkla' <<EOF

[Allow mounting when started from crosh]

Identity=*

Action=org.freedesktop.udisks*.filesystem-mount

ResultAny=auth_admin

ResultInactive=yes

ResultActive=yes

[Allow eject when started from crosh]

Identity=*

Action=org.freedesktop.udisks*.*eject*

ResultAny=auth_admin

ResultInactive=yes

ResultActive=yes

[Disallow unmounting of Chromium OS mounts; it won't work]

Identity=*

Action=org.freedesktop.udisks*.filesystem-unmount-others

ResultAny=no

ResultInactive=no

ResultActive=no

EOF