From fc611666134f8b4a1073eca14bb2ecfe1b3aa954 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 8 Jan 2016 11:50:40 +0100
Subject: Preparations for exam mode

---
 .../scripts/includes/set_runvirt_variables.inc     |  2 +-
 .../includes/create_vmhome_preferences_file.inc    |  6 ++--
 .../vmchooser/vmware/includes/parse_vmx.inc        | 19 ++++++++---
 remote/rootfs/rootfs-stage31/data/init             | 38 ++++++++++++++++++++++
 4 files changed, 58 insertions(+), 7 deletions(-)

diff --git a/remote/modules/run-virt/data/opt/openslx/scripts/includes/set_runvirt_variables.inc b/remote/modules/run-virt/data/opt/openslx/scripts/includes/set_runvirt_variables.inc
index f0aae889..5215eb2d 100644
--- a/remote/modules/run-virt/data/opt/openslx/scripts/includes/set_runvirt_variables.inc
+++ b/remote/modules/run-virt/data/opt/openslx/scripts/includes/set_runvirt_variables.inc
@@ -5,8 +5,8 @@
 VMCHOOSER_DIR="/opt/openslx/vmchooser"
 VMCHOOSER_CONF_DIR="$VMCHOOSER_DIR/config"
 LOGFILE="/var/log/openslx/run-virt.${USER}.$$.log"
-TMPDIR="/tmp/virt/$(whoami)"
 USER="$(whoami)"
+TMPDIR="/tmp/virt/${USER}/$$"
 
 readonly VMCHOOSER_DIR VMCHOOSER_CONF_DIR LOGFILE TMPDIR USER
 
diff --git a/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/create_vmhome_preferences_file.inc b/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/create_vmhome_preferences_file.inc
index e33320ad..b618041c 100644
--- a/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/create_vmhome_preferences_file.inc
+++ b/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/create_vmhome_preferences_file.inc
@@ -35,7 +35,6 @@ create_vmhome_preferences_file() {
 		pref.hotkey.alt = "true"
 		pref.hotkey.shift = "true"
 		pref.hotkey.gui = "true"
-		gui.restricted = "true"
 		
 		# fullscreen/mouse/keyboard
 		pref.fullscreen.toolbarPixels = "0"
@@ -65,5 +64,8 @@ create_vmhome_preferences_file() {
 		pref.eula1.product = "VMware Workstation"
 		pref.eula1.build = "$vmware_build"
 	HEREEND
-	writelog "Vmware preferences file created in vmhome."
+	if [ -n "$SLX_EXAM" ]; then
+		echo 'pref.hotkey.rightControl = "true"' >> "$vmhome/preferences"
+	fi
+	writelog "Vmware preferences file created in $vmhome."
 }
diff --git a/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/parse_vmx.inc b/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/parse_vmx.inc
index 3d82d934..f8f43ad3 100644
--- a/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/parse_vmx.inc
+++ b/remote/modules/vmware/data/opt/openslx/vmchooser/vmware/includes/parse_vmx.inc
@@ -55,10 +55,16 @@ MemTrimRate = "-1"
 HEREEND
 
 # USB
-cat >> "$TMPDIR/$IMGUUID" <<-HEREEND
-usb.present = "TRUE"
-usb.generic.autoconnect = "TRUE"
-HEREEND
+if [ -n "$SLX_EXAM" ]; then
+	# Exam mode: No USB (TODO: Configurable)
+	sed -i '/^usb\./d' "$TMPDIR/$IMGUUID"
+	echo 'usb.present = "FALSE"' >> "$TMPDIR/$IMGUUID"
+else
+	cat >> "$TMPDIR/$IMGUUID" <<-HEREEND
+	usb.present = "TRUE"
+	usb.generic.autoconnect = "TRUE"
+	HEREEND
+fi
 
 # shared folders
 cat >> "$TMPDIR/$IMGUUID" <<-HEREEND
@@ -106,6 +112,11 @@ fi
 sed -i '/^gui.applyHostDisplayScaling/d' "$TMPDIR/$IMGUUID"
 echo 'gui.applyHostDisplayScalingToGuest = "FALSE"' >> "$TMPDIR/$IMGUUID"
 
+# Additinal exam mode settings
+if [ -n "$SLX_EXAM" ]; then
+	echo 'gui.restricted = "true"' >> "$TMPDIR/$IMGUUID"
+fi
+
 # Killing duplicate lines (output much nicer than sort -u):
 awk '!a[$0]++' "${TMPDIR}/${IMGUUID}" > "${TMPDIR}/${IMGUUID}.tmp" && mv "${TMPDIR}/${IMGUUID}.tmp" "${TMPDIR}/${IMGUUID}"
 
diff --git a/remote/rootfs/rootfs-stage31/data/init b/remote/rootfs/rootfs-stage31/data/init
index 7c66cd11..51010ffa 100755
--- a/remote/rootfs/rootfs-stage31/data/init
+++ b/remote/rootfs/rootfs-stage31/data/init
@@ -111,6 +111,44 @@ for mnt in proc sys run ; do
 	busybox umount -f -l "/$mnt" 2>/dev/null
 done
 
+# HACK HACK: Klausurmodus
+# Putting this here as we're hopefully moving to the all new dracut solution soon
+# so there's no reason to make it pretty now
+if [ -n "$SLX_EXAM" ]; then
+	# Visual: Make kdm all orange
+	sed -i 's/#e3e4e9/#f9a72b/g' "${FUTURE_ROOT}/usr/share/desktop/themes/kdm/bwlehrpool/theme.xml"
+	# Visual: Move splash screen to upper left corner
+	if [ -e "/etc/splash.ppm.gz" ]; then
+		fbsplash -b -s "/etc/splash.ppm.gz" &
+	elif [ -e "/etc/splash.ppm" ]; then
+		fbsplash -b -s "/etc/splash.ppm" &
+	fi
+	# Visual: ssh banner
+	echo "+ - - - - KLAUSURMODUS AKTIV - - - - +" >> "${FUTURE_ROOT}/etc/issue.net"
+	echo "++++++++++++++++++++++++++++++++++++++" >> "${FUTURE_ROOT}/etc/issue.net"
+	# Disable some services, ldap/ad
+	rm -- "${FUTURE_ROOT}/etc/systemd/system/network.target.wants/sssd.service"
+	sed -i 's/ sss//' "${FUTURE_ROOT}/etc/nsswitch.conf"
+	# Disable ctrl-alt-delete
+	rm -- "${FUTURE_ROOT}/usr/lib/systemd/system/ctrl-alt-del.target"
+	# No idleaction
+	rm -- "${FUTURE_ROOT}/etc/cron.d/openslx-idleaction"
+	# Ignore everything but power button
+	cat > "${FUTURE_ROOT}/etc/systemd/logind.conf" <<EOF
+[Login]
+NAutoVTs=0
+ReserveVT=0
+KillUserProcesses=no
+HandlePowerKey=poweroff
+HandleSuspendKey=ignore
+HandleHibernateKey=ignore
+HandleLidSwitch=ignore
+IdleAction=ignore
+EOF
+	# Link exam.service in sysinit.target
+	ln -s "../exam.service" "${FUTURE_ROOT}/etc/systemd/system/sysinit.target.wants/exam.service"
+fi
+
 echo "Switching root...."
 echo "$bench_result" > "${FUTURE_ROOT}/opt/openslx/.benchmark"
 # Prepare environment (HOME is needed as a hack for nss_ldap with ssl and no caching)
-- 
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