From b21d2bb616a2b0ecd641707a783b84903d97ce36 Mon Sep 17 00:00:00 2001
From: Christian Rößler
Date: Wed, 25 Jul 2018 16:08:45 +0200
Subject: [run-virt] linux scripts extended (minimised, user etc). TO BE
 TESTED!

---
 .../vmchooser/data/linux/includes/00_vars.inc      |  5 ++
 .../vmchooser/data/linux/includes/10_functions.inc | 31 +++++++++
 .../vmchooser/data/linux/includes/20_get_creds.inc |  2 +-
 .../data/linux/includes/30_mount_shares.inc        | 50 ++++++++++++++
 .../data/linux/includes/60_resolution.inc          | 77 ++++++++++++++++++++++
 .../vmchooser/data/linux/includes/90_runscript.inc | 69 +++++++++++++++----
 .../opt/openslx/vmchooser/data/linux/mnt_shares    |  9 +--
 .../data/opt/openslx/vmchooser/data/linux/openslx  | 38 +++++++++++
 .../opt/openslx/vmchooser/data/linux/resolution    | 25 ++-----
 .../opt/openslx/vmchooser/data/linux/vm_installer  | 60 +++++++----------
 10 files changed, 288 insertions(+), 78 deletions(-)
 create mode 100644 core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/60_resolution.inc
 create mode 100755 core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx

(limited to 'core/modules/run-virt/data/opt/openslx')

diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/00_vars.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/00_vars.inc
index e8e0ae91..939becf6 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/00_vars.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/00_vars.inc
@@ -24,6 +24,11 @@ GLOBALUSER=$(echo "$GLOBALDOMAINUSER" | cut -d '\' -f 2)
 REMAPMODE=$(grep '^remapMode=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
 CREATEMISSING=$(grep '^createMissingRemap=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
 
+SCRIPTUSER=$(grep '^scriptUser=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
+SCRIPTVISIBILITY=$(grep '^scriptVisibility=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
+SCRIPTEXT=$(grep scriptExt "$DISKMOUNTDIR/openslx.ini" | cut -f 2 -d "=")
+
+
 # CIFSVERSIONS="3.11 3.0 2.1 2.0 1.0"
 CIFSVERSIONS="3.0 2.1 1.0 3.11 2.0"
 
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/10_functions.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/10_functions.inc
index d6fd7caa..38213e86 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/10_functions.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/10_functions.inc
@@ -1,5 +1,7 @@
 ### Funktionen ####################################
 
+### Funktionen Mounter ############################
+
 function xor()
 {	local RES=($(echo "$1" | sed "s/../0x& /g"))
 	shift 1
@@ -112,5 +114,34 @@ function mount_share()
 	fi
 }
 
+### Funktionen Mounter Ende #######################
+
+### Funktionen resolution #########################
+
+get_xauthfile()
+{
+	# Das ist mitunter ein Problem, da die richtige xauth zu finden - Distroabhängig!
+	for wartezeit in 1 2 3 5 10 10 0 ende; do
+		[ "$wartezeit" = "ende" ] && { logger "openslx resolution utility: XAUTHFILE not found. Exiting."; exit 1; }
+		XAUTHORITY=$(ps aux | grep -o "root.*X.* \-auth *[^ ]*" | awk '{print $NF}')
+		[ -n "${XAUTHORITY}" ] && break
+		sleep $wartezeit
+	done
+	logger "openslx resolution utility: XAUTHFILE found."
+}
+
+
+check_resolution() {
+	ACTRES=$(DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr|grep '*'|tr -s " "|cut -f 2 -d " ")
+	if [ "$ACTRES" != "$RESOLUTION" ]; then
+		logger "openslx resolution utility: resolution changed; re-changing."
+		DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr --output ${AUSGABE} --mode ${RESOLUTION}
+	else
+		logger "openslx resolution utility: resolution unchanged."
+	fi
+}
+
+### Funktionen resolution Ende ####################
+
 ### Funktionen Ende ###############################
 
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/20_get_creds.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/20_get_creds.inc
index c6f6ffcb..f0081658 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/20_get_creds.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/20_get_creds.inc
@@ -10,7 +10,7 @@ function get_creds()
 	
 	# Serverantwort pwdaemon in temp. Datei schreiben:
 	timeout 2s dd bs=$BYTES count=1 of="$RAWKEYTEMP" <&13 2>/dev/null
-	
+
 	# Kanal zu Socket schließen:
 	exec 13<&-
 	exec 13>&-
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/30_mount_shares.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/30_mount_shares.inc
index cc71f23c..7447dd41 100644
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/30_mount_shares.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/30_mount_shares.inc
@@ -39,3 +39,53 @@ function mount_shares()
 		fi
 	done
 }
+
+mnt_shares() {
+	logger "openslx sharemapper: Started."
+	
+	# Wait for network connection to base system
+	x=1
+	while ! ping -w 1 -c 1 "${NATADDR}" 2>/dev/null 1>&2; do
+		[ "$x" -gt 20 ] && { logger "openslx sharemapper: could not reach base system. Giving up."; exit 1; }
+		let x=x+1
+		sleep 2
+	done
+	
+	logger "openslx sharemapper: base system reaching; commencing."
+	
+	# REMAPMODE (remapMode):                0: None, 1 Native, 2 Native Fallback, 3 vmware
+	# CREATEMISSING (createMissingRemap):   0: Nichts tun, 1 xdg-Verzeichnisse
+	
+	case "$REMAPMODE" in
+		0)      logger "openslx sharemapper: remapMode 0 (do nothing) detected."
+		        ;;
+		1)      logger "openslx sharemapper: remapMode 1 (native mode) detected."
+			preliminaries_native
+			get_creds               # fills global var PW with (currently) decrypted password
+			get_shares              # fills array ROHSHARES; row 0 global infos from (shares-)CONFIGFILE,
+						# following rows:       column 1 share path, col 2 drive letter, col 3 share name,
+						#                       column 4 username, col 5 password.
+			mount_shares            # mounts shares given in array ROHSHARES.
+			;;
+		2)      logger "openslx sharemapper: remapMode 2 (fallback mode) detected."
+			preliminaries_native
+			get_creds               # fills global var PW with (currently) decrypted password
+			get_shares              # fills array ROHSHARES; row 0 global infos from (shares-)CONFIGFILE,
+			# following rows:       column 1 share path, col 2 drive letter, col 3 share name,
+			#                       column 4 username, col 5 password.
+			mount_shares            # mounts shares given in array ROHSHARES.
+			check_fallback          # checks for a mounted home and fallbacks to vmware share, if none found.
+			;;
+		3)      logger "openslx sharemapper: remapMode 3 (vmware mode) detected."
+			preliminaries_vmware
+			mount_shares            # mounts shares given in array ROHSHARES - runvirt checks whether there's
+                        			# a home share given or not..
+			;;
+		*)      logger "openslx sharemapper: unknown remapMode in $SLXCONFIGFILE; doing nothing."
+			;;
+	esac
+	
+	# By the way: We also have to start a bwLehrpool-Suite given script (runscript). For convenience we will start it here and 
+	# after mounting shares, as perhaps a given script needs mounted shares.
+	exit 0
+}
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/60_resolution.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/60_resolution.inc
new file mode 100644
index 00000000..55f24407
--- /dev/null
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/60_resolution.inc
@@ -0,0 +1,77 @@
+set_resolution()
+{
+	DISPLAY="${1}.0"
+	logger "openslx resolution utility started."
+	
+	# Da nun fremdgemountet wird, hier sicherheitshalber zur Kontrolle wg. Gross-/Kleinschreibung:
+	SLXCONFIGFILE=$(find "${DISKMOUNTDIR}" -iwholename "${SLXCONFIGFILE}")
+	
+	if [ -f "$SLXCONFIGFILE" ]; then
+		RESOLUTION=$(grep 'resolution=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
+		if [ -z $RESOLUTION ]; then
+			logger "openslx resolution utility: resolution file $SLXCONFIGFILE seems to be empty!"
+			exit 1
+		fi
+		logger "openslx resolution utility: resolution file $SLXCONFIGFILE yields ${RESOLUTION}."
+	else
+		logger "openslx resolution utility: resolution file $SLXCONFIGFILE not found!"
+		exit 1
+	fi
+	
+	# Das ist mitunter ein Problem, da die richtige zu finden - Distroabhängig!
+	# Hier ein Beispiel für openSuse 13.2, sollte auch für Debian, Ubuntu, Redhat usw. laufen:.
+	# XAUTHDATEI=$(ps aux | grep -o "root.*X.* \-auth *[^ ]*" | awk '{print $NF}')
+	get_xauthfile
+
+	# Zu verbessern: Der Name des Verbundenen ist nicht immer bekannt. Daher nehmen wir das
+	# erste 'connected' in der Ausgabe xrandrs Und warten evtl. ein Weilchen)::
+	for wartezeit in 1 1 1 2 0 ende; do
+		[ "$wartezeit" = "ende" ] && { logger "openslx resolution utility: Could not detect output device. Exiting." ; exit 1; }
+		AUSGABE=$(DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr -q|grep -m 1 " connected "|awk '{print $1}')
+		[ -n "$AUSGABE" ] && break
+		sleep $wartezeit
+	done
+	
+	# Pruefen, ob xrand eine passende modeline ausgibt:
+	if [ "$(DISPLAY=${DISPLAY} XAUTHORITY=${XAUTHORITY} xrandr | grep -c ${RESOLUTION}[[:space:]])" -eq 0 ]; then
+		logger "openslx resolution utility: xrandr yields no fitting modeline; adding one."
+		MODELINE=$(cvt ${RESOLUTION//x/ } | grep -v "^#" | sed "s/Modeline //g" | sed 's/"//g')
+		DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr --newmode $(echo ${MODELINE})
+		DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr --addmode ${AUSGABE} $(echo ${MODELINE} | cut -d " " -f 1)
+		# Dann einzusteuernde Auflösung natürlich auf die neue ändern:
+		RESOLUTION=$(echo ${MODELINE} | cut -d " " -f 1)
+		logger "openslx resolution utility: (xrandr) modeline ${MODELINE} added (${RESOLUTION})."
+	fi
+	
+	# Auflösung per xrandr setzen:
+	DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr --output ${AUSGABE} --mode ${RESOLUTION}
+	ERR=$?
+	if [ $ERR -ne 0 ]; then
+		logger "openslx resolution utility: xrandr error code ${ERR}."
+	else
+		logger "openslx resolution utility: xrandr ok. Mode $RESOLUTION set."
+	fi
+	
+	# Das hier ist ein wenig problematisch, da nach X-Start die gewünschte Desktopumgebung
+	# diese gern zuvor gespeicherte Auflösungen wieder einspielt. Daher warten wir einfach,
+	# und prüfen in gewissen Zeitabständen, ob sich die Auflösung geändert hat, und spielen
+	# im Änderungsfalle die Grundsystemauflösung wieder ein. Schön ist das nicht.
+	
+	# Now, let's wait some seconds to see if another process re-changes res.:
+	sleep 5
+	check_resolution
+	
+	# Now, let's wait some more seconds to see if another process re-changes res.:
+	sleep 15
+	check_resolution
+	
+	# Now, let's wait even more seconds to see if another process re-changes res.:
+	sleep 20
+	check_resolution
+	
+	# Now, let's wait even more seconds to see if another process re-changes res.:
+	sleep 40
+	check_resolution
+	
+	exit 0
+}
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
index e5a7971b..f5ef0223 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
@@ -1,20 +1,65 @@
 function runscript()
 {
-	logger "openslx sharemapper: runscript: looking for a script to run..."
-	if [ -f "$DISKMOUNTDIR/openslx.ini" ]; then
-		EXTENSION=$(grep scriptExt "$DISKMOUNTDIR/openslx.ini" | cut -f 2 -d "=")
-		[ -z "$EXTENSION" -o "$EXTENSION" = "bat" ] && \
-			logger "openslx sharemapper: runscript: Script extension empty or \'bat\', trying anyway."
-		if [ -f "$DISKMOUNTDIR/runscript${EXTENSION}" ]; then
-			su -c "$DISKMOUNTDIR/runscript${EXTENSION}" "$LOCALUSER"
-			ERR=$?
-			if [ $ERR -eq 0 ]; then
-				logger "openslx sharemapper: runscript: runscript${EXTENSION} ok, errorlevel ${ERR}."
+	logger "openslx: runscript: looking for a script to run..."
+	ERR=0
+	if [ -f "$SLXCONFIGFILE" ]; then
+		[ -z "$SCRIPTEXT" -o "$SCRIPTEXT" = "bat" ] && \
+			logger "openslx utility: runscript: Script extension empty or \'bat\', trying anyway."
+		if [ -f "$DISKMOUNTDIR/runscript${SCRIPTEXT}" ]; then
+			logger "openslx utility: runscript: found script $DISKMOUNTDIR/runscript${SCRIPTEXT}."
+
+			case "$SCRIPTUSER" in
+				0)	USERPART=""
+					;;
+				1)	USERPART=" su -c - $LOCALUSER "
+					;;
+				*)	logger "openslx utility: runscript: Unknown script user or script user not set. Running as root."
+					USERPART=""
+					;;
+			esac
+
+			case "$SCRIPTVISIBILITY" in
+				0) 	# 0=hidden
+					logger "openslx utility: runscript: Starting script hidden."
+					echo "$USERPART $DISKMOUNTDIR/runscript${SCRIPTEXT}"
+					$USERPART "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
+					;;
+				1) 	# 1=normal
+					logger "openslx utility: runscript: Starting script maximised."
+					get_xauthfile
+					DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
+					;;
+				2) 	# 2=minimized (xterm -iconic)
+					logger "openslx utility: runscript: starting script minimised."
+					get_xauthfile
+
+					# warte auf Window manager...
+					while [[ "$(DISPLAY=:0.0 XAUTHORITY=${XAUTHORITY} xprop -root _NET_SUPPORTING_WM_CHECK)" =~ "no such atom" ]]; do
+						sleep 2
+					done
+
+					# Truly not the best way to wait until the desktop environment is ready, but there's no common way to
+					# check for DE readyness. Until then, we'll sleep.
+					sleep 20
+
+					DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm -iconic "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
+					;;
+				*)	# *=?
+					logger "openslx utility: runscript: unkown scriptVisibility $SCRIPTVISIBILITY."
+					;;
+			esac
+
+			if [ "$ERR" -eq 0 ]; then
+				logger "openslx utility: runscript: runscript${SCRIPTEXT} ok, errorlevel ${ERR}."
 			else
-				logger "openslx sharemapper: runscript: Script error ${ERR}."
+				logger "openslx utility: runscript: Script error ${ERR}."
 			fi
+		else
+			logger "openslx utility: runscript: script $DISKMOUNTDIR/runscript${SCRIPTEXT} not found."
 		fi
 	else
-		logger "openslx sharemapper: runscript: Could not find $DISKMOUNTDIR/openslx.ini for script extension."
+		logger "openslx utility: runscript: Could not find $SLXCONFIGFILE."
+		exit 1
 	fi
 }
+
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/mnt_shares b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/mnt_shares
index d5485d1a..5c89295b 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/mnt_shares
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/mnt_shares
@@ -10,8 +10,6 @@ for i in "$(dirname $0)"/includes/*.inc; do
 done
 
 # Wait for network connection to base system
-#!/bin/bash
-
 x=1
 while ! ping -w 1 -c 1 "${NATADDR}" 2>/dev/null 1>&2; do
 	[ "$x" -gt 20 ] && { logger "openslx sharemapper: could not reach base system. Giving up."; exit 1; } 
@@ -26,7 +24,6 @@ logger "openslx sharemapper: base system reaching; commencing."
 
 case "$REMAPMODE" in
 	0)	logger "openslx sharemapper: remapMode 0 (do nothing) detected."
-		exit 0
 		;;
 	1)	logger "openslx sharemapper: remapMode 1 (native mode) detected."
 		preliminaries_native
@@ -35,7 +32,6 @@ case "$REMAPMODE" in
 					# following rows:	column 1 share path, col 2 drive letter, col 3 share name,
 					# 			column 4 username, col 5 password.
 		mount_shares		# mounts shares given in array ROHSHARES.
-		exit 0
 		;;
 	2)	logger "openslx sharemapper: remapMode 2 (fallback mode) detected."
 		preliminaries_native
@@ -45,16 +41,13 @@ case "$REMAPMODE" in
 					# 			column 4 username, col 5 password.
 		mount_shares		# mounts shares given in array ROHSHARES.
 		check_fallback		# checks for a mounted home and fallbacks to vmware share, if none found.
-		exit 0
 		;;
 	3)	logger "openslx sharemapper: remapMode 3 (vmware mode) detected."
 		preliminaries_vmware
 		mount_shares		# mounts shares given in array ROHSHARES - runvirt checks whether there's
 					# a home share given or not..
-		exit 0
 		;;
-	*)	logger "openslx sharemapper: unknown remapMode in $SLXCONFIGFILE; doing nothing end exiting with error."
-		exit 1
+	*)	logger "openslx sharemapper: unknown remapMode in $SLXCONFIGFILE; doing nothing."
 		;;
 esac
 
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx
new file mode 100755
index 00000000..8e08f44e
--- /dev/null
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# set -x
+
+logger "openslx utility script: Started."
+
+OWNDIR=$(dirname $0)
+for i in "$(dirname $0)"/includes/*.inc; do
+	source "$i"
+done    
+
+logger "openslx utility script: spawning resolution script for X displays..."
+OLDPWD=$(pwd)
+i=0
+
+# detecting running X instances:
+cd /tmp/.X11-unix && 	for x in X*; do
+				set_resolution ":${x#X}" &
+				RESPID[i]=$!
+				logger "openslx utility script: spawned resolution script for :${x#X}."
+				let "i++"
+			done
+cd "$OLDPWD"
+
+logger "openslx utility script: spawning share mounter..."
+mnt_shares &
+MNTPID=$!
+
+logger "openslx utility script: Waiting for mounter..."
+# Best to wait until any shares are mounted (and perhaps resolution setting, too?), as perhaps 
+# an user supplied runscript needs a network share?
+wait $MNTPID	# ${RSPID[*]}
+logger "openslx utility script: mounter finished."
+
+
+logger "openslx utility script: starting runscript..."
+runscript
+logger "openslx utility script: runscript finished."
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution
index c22bcf80..162f4d08 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution
@@ -7,35 +7,22 @@
 # Zu erledigen: Jede Menge, zB anständiges Trapping, Fehler abfangen usw...
 # set -x
 
-MOUNTDIR=/mnt/diskmount
-RESFILE="${MOUNTDIR}"/openslx.ini
 DISPLAY=:0.0
 
-check_resolution() {
-	# Now, let's wait even more seconds to see if another process re-changes res.:
-	ACTRES=$(DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr|grep '*'|tr -s " "|cut -f 2 -d " ")
-	if [ "$ACTRES" != "$RESOLUTION" ]; then
-		logger "openslx resolution utility: resolution changed; re-changing."
-		DISPLAY="${DISPLAY}" XAUTHORITY="${XAUTHORITY}" xrandr --output ${AUSGABE} --mode ${RESOLUTION}
-	else
-		logger "openslx resolution utility: resolution unchanged."
-	fi
-}
-
 logger "openslx resolution utility started."
 
 # Da nun fremdgemountet wird, hier sicherheitshalber zur Kontrolle wg. Gross-/Kleinschreibung:
-RESFILE=$(find "${MOUNTDIR}" -iwholename "${RESFILE}")
+SLXCONFIGFILE=$(find "${DISKMOUNTDIR}" -iwholename "${SLXCONFIGFILE}")
 
-if [ -f "$RESFILE" ]; then
-	RESOLUTION=$(grep 'resolution=' "$RESFILE" | cut -d '=' -f 2)
+if [ -f "$SLXCONFIGFILE" ]; then
+	RESOLUTION=$(grep 'resolution=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
 	if [ -z $RESOLUTION ]; then
-		logger "openslx resolution utility: resolution file $RESFILE seems to be empty!"
+		logger "openslx resolution utility: resolution file $SLXCONFIGFILE seems to be empty!"
 		exit 1
 	fi
-	logger "openslx resolution utility: resolution file $RESFILE yields ${RESOLUTION}."
+	logger "openslx resolution utility: resolution file $SLXCONFIGFILE yields ${RESOLUTION}."
 else
-	logger "openslx resolution utility: resolution file $RESFILE not found!"
+	logger "openslx resolution utility: resolution file $SLXCONFIGFILE not found!"
 	exit 1
 fi
 
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/vm_installer b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/vm_installer
index 5e0677a9..ba43b6f6 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/vm_installer
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/vm_installer
@@ -8,10 +8,10 @@ LOGGER=$(which logger)
 MKDIR=$(which mkdir)
 MOUNT=$(which mount)
 MOUNTDIR=/mnt/diskmount/
-SERVICEMOUNT=openslx-mount.service
+SERVICEUTIL=openslx-utility.service
 SERVICEUMOUNT=openslx-umount.service
-SERVICERESOLUTION=openslx-resolution.service
-SERVICEDISKMOUNT=$(echo "$MOUNTDIR" |tr / -|sed 's:^-::;s:-$::').mount  # mounter needs to be named like that, or else.
+SERVICEDISKMOUNT=$(echo "$MOUNTDIR" |tr / -|sed 's:^-::;s:-$::').mount  # mounter needs to be named like that... or else!
+TARGET=$(systemctl get-default)
 
 
 # systemd erkennen
@@ -41,7 +41,7 @@ case $(${PS} --pid 1 -o comm h) in
 			unlink "${SERVICEDIR}/basic.target.wants/${SERVICERESOLUTION}" 2>/dev/null
 		fi
 
-		echo "openslx praeinstaller: installing systemd service (disk mounter) to ${SERVICEDIR}/${SERVICEDISKMOUNT}."
+		echo "openslx praeinstaller: installing systemd service (floppy disk mounter) to ${SERVICEDIR}/${SERVICEDISKMOUNT}."
 		cat <<-HEREDOC > "$SERVICEDIR"/"$SERVICEDISKMOUNT"
 			[Unit]
 			Description=Mount pseudofloppy fd1
@@ -53,60 +53,44 @@ case $(${PS} --pid 1 -o comm h) in
 			Options=defaults
 		HEREDOC
 
-		echo "openslx praeinstaller: installing systemd service (mounter) to ${SERVICEDIR}/${SERVICEMOUNT}."
-		cat <<-HEREDOC > "$SERVICEDIR"/"$SERVICEMOUNT"
-			[Unit]
-			Description=openSLX share mounter
-			After=basic.target
+
+		echo "openslx praeinstaller: installing systemd service (openslx utility script) to ${SERVICEDIR}/${SERVICEUTIL}."
+		cat <<-HEREDOC > "${SERVICEDIR}"/"${SERVICEUTIL}"
+		[Unit]
+			Description=openslx utility script
+			After=$TARGET
 			Requires=${SERVICEDISKMOUNT}
 			
 			[Service]
 			Type=oneshot
-			ExecStart=${LOGGER} "openslx service file: mounter started."
-			ExecStart=${MOUNTDIR}/linux/mnt_shares
+			ExecStart=${LOGGER} "openslx utility script: starting."
+			ExecStart=${MOUNTDIR}/linux/openslx
 			ExecStart=${LOGGER} "openslx service file: done."
 			RemainAfterExit=yes
 		HEREDOC
-
+	
 		echo "openslx praeinstaller: installing systemd service (umounter) to ${SERVICEDIR}/${SERVICEUMOUNT}."
 		cat <<-THEREDOC > "$SERVICEDIR"/"${SERVICEUMOUNT}"
 			[Unit]
-			Description=openSLX resolution utility
+			Description=openSLX umount utility
 			Before=shutdown.target 
 			Requires=${SERVICEDISKMOUNT}
-
+			DefaultDependencies=no
+	
 			[Service]
 			Type=oneshot
 			ExecStart=${LOGGER} "openslx service file: umounter started."
-			ExecStart=${MOUNTDIR}/linux/umount
+			ExecStart=${MOUNTDIR}/linux/umnt_shares
 			ExecStart=${LOGGER} "openslx service file: done."
 			RemainAfterExit=no
 		THEREDOC
-
-		echo "openslx praeinstaller: installing systemd service (resolution utility) to ${SERVICEDIR}/${SERVICERESOLUTION}."
-		cat <<-SOMEWHEREDOC > "$SERVICEDIR"/"${SERVICERESOLUTION}"
-			[Unit]
-			Description=openSLX resolution utility
-			After=display-manager.service
-			Requires=${SERVICEDISKMOUNT}
-
-			[Service]
-			Type=oneshot
-			ExecStart=${LOGGER} "openslx service file: resolution utility started."
-			ExecStart=${MOUNTDIR}/linux/resolution
-			ExecStart=${LOGGER} "openslx service file: done."
-			RemainAfterExit=yes
-		SOMEWHEREDOC
-
-
-		[ ! -d "$SERVICEDIR"/graphical.target.wants ]	&& mkdir "$SERVICEDIR"/graphical.target.wants 2>/dev/null
-		[ ! -d "$SERVICEDIR"/basic.target.wants ]	&& mkdir "$SERVICEDIR"/basic.target.wants 2>/dev/null
+	
+		[ ! -d "$SERVICEDIR"/"${TARGET}".wants ]	&& mkdir "$SERVICEDIR"/"${TARGET}".wants 2>/dev/null
 		[ ! -d "$SERVICEDIR"/shutdown.target.wants ]	&& mkdir "$SERVICEDIR"/shutdown.target.wants 2>/dev/null
-
-		ln -s "${SERVICEDIR}"/"${SERVICEMOUNT}" "$SERVICEDIR"/graphical.target.wants/"${SERVICEMOUNT}"
+	
+		ln -s "${SERVICEDIR}"/"${SERVICEUTIL}" "$SERVICEDIR"/"${TARGET}".wants/"${SERVICEUTIL}"
 		ln -s "${SERVICEDIR}"/"${SERVICEUMOUNT}" "$SERVICEDIR"/shutdown.target.wants/"${SERVICEUMOUNT}"
-		ln -s "${SERVICEDIR}"/"${SERVICERESOLUTION}" "$SERVICEDIR"/basic.target.wants/"${SERVICERESOLUTION}"
-
+	
 		echo "openslx praeinstaller: doing systemd reload."
 		systemctl daemon-reload
 		;;
-- 
cgit v1.2.3-55-g7522