From 19c74d4a56c353556c6f6b4f62e642c2bafc24e1 Mon Sep 17 00:00:00 2001
From: Christian Rößler
Date: Tue, 25 Jun 2019 16:38:25 +0200
Subject: [run-virt] Linux scripts +adminrun

---
 .../vmchooser/data/linux/includes/00_vars.inc      | 11 ++-
 .../vmchooser/data/linux/includes/10_functions.inc | 14 +++
 .../vmchooser/data/linux/includes/80_adminrun.inc  | 42 +++++++++
 .../vmchooser/data/linux/includes/90_runscript.inc | 99 ++++++++++++----------
 .../data/opt/openslx/vmchooser/data/linux/openslx  |  4 +-
 .../opt/openslx/vmchooser/data/linux/resolution    |  8 +-
 .../vmchooser/data/linux/resolution_standalone     |  8 +-
 7 files changed, 128 insertions(+), 58 deletions(-)
 create mode 100644 core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/80_adminrun.inc

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 5b69d90c..93f0d3db 100755
--- 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
@@ -1,5 +1,11 @@
 ### Variablen #####################################
 
+DISKMOUNTDIR=/mnt/diskmount
+ADMINRUNDIR="$DISKMOUNTDIR"/adminrun
+SLXCONFIGFILE="$DISKMOUNTDIR"/openslx.ini
+CONFIGFILE="$DISKMOUNTDIR"/shares.dat
+LOGINUSER=$(grep '^username=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
+
 ##### User related#################
 LOCALUSER=student
 USERHOME=/home/"$LOCALUSER"
@@ -10,9 +16,6 @@ USERLOGFILE="$USERDESKTOP"/openslx.log
 
 
 ##### Mounting, network, PW #######
-DISKMOUNTDIR=/mnt/diskmount
-SLXCONFIGFILE="$DISKMOUNTDIR"/openslx.ini
-CONFIGFILE="$DISKMOUNTDIR"/shares.dat
 KEYTEMP=$(mktemp -t XXXXXXXXXX.dat)
 RAWKEYTEMP=$(mktemp -t XXXXXXXXXX.dat)
 BYTES=256
@@ -41,7 +44,7 @@ GLOBALUSER=$(echo "$GLOBALDOMAINUSER" | cut -d '\' -f 2)
 REMAPMODE=$(grep '^remapMode=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
 CREATEMISSING=$(grep '^createMissingRemap=' "$SLXCONFIGFILE" | cut -d '=' -f 2)
 
-##### Script (Autostart ) #########
+##### Script (Autostart & admin) #########
 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 "=")
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 1649e795..3c110204 100755
--- 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
@@ -152,5 +152,19 @@ function mount_home()
 
 ### Funktionen Mounter Ende #######################
 
+set_userpart();
+{
+	case "$SCRIPTUSER" in
+		0)      USERPART=""
+			;;
+		1)      USERPART=" su -c - $LOCALUSER "
+			;;
+		*)      logger "openslx utility: runscript: Unknown script user or script user not set. Running as user ${LOCALUSER}."
+			# USERPART=""   # old default: Running as root
+			USERPART=" su -c - $LOCALUSER "
+			;;
+	esac
+}
+
 ### Funktionen Ende ###############################
 
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/80_adminrun.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/80_adminrun.inc
new file mode 100644
index 00000000..6e4a9e0a
--- /dev/null
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/80_adminrun.inc
@@ -0,0 +1,42 @@
+# vim:ft=sh
+
+spawn_process()
+{
+	if [ "$USERCREDS" -eq 1 ]; then
+		get_creds			
+		USERNAME="$LOGINUSER" PASSWORD="$PW" runscript_visibility "$SCRIPT" "$USERPART" "$VISIBILITY" &
+		unset PASSWORD
+		unset PW
+	else
+		runscript_visibility "$SCRIPT" "$USERPART" "$VISIBILITY" &
+	fi
+	
+	local WAITPID="$!"
+	wait $WAITPID
+	local ERR=$?
+	logger "openslx utility: adminrun: script ${SCRIPT} (PID ${WAITPID}) finished, errorlevel ${ERR}."
+}
+
+function adminrun()
+{
+	logger "openslx utility: adminrun: started."
+	
+	if [ ! -d "$ADMINRUNDIR" ]; then
+		logger "openslx utility: adminrun: no adminrun directory found."
+		return
+	fi
+
+	logger "openslx utility: adminrun: adminrun directory found, starting scripts."
+	set_userpart
+	for SCRIPT in "$ADMINRUNDIR"/*; do 
+		USERPART=" su -c - $LOCALUSER "	# adminrun: not as user
+		# USERPART=" "
+		VISIBILITY=$(echo ${SCRIPT%%.*}|cut -f 2 -d "-")	# visibility: 0 versteckt, 1 normal, 2 minimiert
+		USERCREDS=$(echo ${SCRIPT%%.*}|cut -f 3 -d "-")		# user/pass: 0 nein, 1 ja
+		logger "openslx utility: adminrun: starting script ${SCRIPT} using visibility ${VISIBILITY} and usercreds ${USERCREDS}."
+		spawn_process &
+	done
+
+
+
+}
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
index 2b291dfc..6536d9a5 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/includes/90_runscript.inc
@@ -1,9 +1,55 @@
 function wait_for_wm()
 {
 	# This just waits until there's a window manager.
+	logger "openslx utility: wait_for_wm: Waiting for window manager."
 	while [[ "$(DISPLAY=:0.0 XAUTHORITY=${XAUTHORITY} xprop -root _NET_SUPPORTING_WM_CHECK)" =~ "no such atom" ]]; do
 		sleep 2
 	done
+	logger "openslx utility: wait_for_wm: Window manager detected."
+}
+
+function runscript_visibility()
+{
+	local SCRIPT="$1"
+	local USERPART="$2"
+	local VISIBILITY="$3"
+
+	case "$VISIBILITY" in
+	0)	# 0=hidden
+		logger "openslx utility: runscript_visibility: Starting script $SCRIPT hidden(${VISIBILITY}): $USERPART"
+		$USERPART "$SCRIPT"
+		;;
+	1)	# 1=normal
+		get_xauthfile
+		wait_for_wm
+		if [ -n "$USERPART" ]; then
+			logger "openslx utility: runscript_visibility: Starting script $SCRIPT maximised(${VISIBILITY}), no USERPART."
+			DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART "xterm $SCRIPT"
+		else
+			logger "openslx utility: runscript_visibility: Starting script $SCRIPT maximised(${VISIBILITY}), $USERPART."
+			DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm "$SCRIPT"
+		fi
+		;;
+	2)	# 2=minimized (xterm -iconic)
+		logger "openslx utility: runscript_visibility: starting script $SCRIPT minimised(${VISIBILITY}). $USERPART"
+		get_xauthfile
+		wait_for_wm
+
+		# Truly not the best way to wait until the desktop environment is ready, but there's no common way to
+		# check for DE readiness. Until then, we'll sleep.
+		# sleep 20
+		if [ -n "$USERPART" ]; then
+			logger "openslx utility: runscript_visibility: Starting script $SCRIPT minimised(${VISIBILITY}), no USERPART."
+			DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART "xterm -iconic $SCRIPT"
+		else
+			logger "openslx utility: runscript_visibility: Starting script $SCRIPT minimised(${VISIBILITY}), $USERPART."
+			DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm -iconic "$SCRIPT"
+		fi
+		;;
+	*)	# *=?
+		logger "openslx utility: runscript_visibility: script $SCRIPT unkown scriptVisibility $SCRIPTVISIBILITY."
+		;;
+	esac
 }
 
 function runscript()
@@ -16,52 +62,11 @@ function runscript()
 		if [ -f "$DISKMOUNTDIR/runscript${SCRIPTEXT}" ]; then
 			logger "openslx utility: runscript: found script $DISKMOUNTDIR/runscript${SCRIPTEXT}."
 			logger "openslx utility: runscript: script options: scriptuser: ${SCRIPTUSER}, scriptvisibility: ${SCRIPTVISIBILITY}."
-
-			case "$SCRIPTUSER" in
-				0)	USERPART=""
-					;;
-				1)	USERPART=" su -c - $LOCALUSER "
-					;;
-				*)	logger "openslx utility: runscript: Unknown script user or script user not set. Running as user ${LOCALUSER}."
-					# USERPART=""	# old default: Running as root
-					USERPART=" su -c - $LOCALUSER "
-					;;
-			esac
-			case "$SCRIPTVISIBILITY" in
-				0) 	# 0=hidden
-					logger "openslx utility: runscript: Starting script hidden."
-					echo "$USERPART $DISKMOUNTDIR/runscript${SCRIPTEXT}"
-					$USERPART "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
-					;;
-				1) 	# 1=normal
-					logger "openslx utility: runscript: Starting script maximised."
-					get_xauthfile
-					wait_for_wm
-					if [ -n "$USERPART" ]; then
-						DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART "xterm $DISKMOUNTDIR/runscript${SCRIPTEXT}" &
-					else
-						DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
-					fi
-					;;
-				2) 	# 2=minimized (xterm -iconic)
-					logger "openslx utility: runscript: starting script minimised."
-					get_xauthfile
-					wait_for_wm
-
-					# Truly not the best way to wait until the desktop environment is ready, but there's no common way to
-					# check for DE readiness. Until then, we'll sleep.
-					sleep 20
-					if [ -n "$USERPART" ]; then
-						DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART "xterm -iconic $DISKMOUNTDIR/runscript${SCRIPTEXT}" &
-					else
-						DISPLAY=:0.0 XAUTHORITY="${XAUTHORITY}" $USERPART xterm -iconic "$DISKMOUNTDIR/runscript${SCRIPTEXT}" &
-					fi
-					;;
-				*)	# *=?
-					logger "openslx utility: runscript: unkown scriptVisibility $SCRIPTVISIBILITY."
-					;;
-			esac
-
+			set_userpart
+			runscript_visibility "$DISKMOUNTDIR/runscript${SCRIPTEXT}" "$USERPART" "$SCRIPTVISIBILITY" &
+			SCRIPTPID=$!
+			wait $SCRIPTPID
+			ERR=$?
 			if [ "$ERR" -eq 0 ]; then
 				logger "openslx utility: runscript: runscript${SCRIPTEXT} ok, errorlevel ${ERR}."
 			else
@@ -72,7 +77,7 @@ function runscript()
 		fi
 	else
 		logger "openslx utility: runscript: Could not find $SLXCONFIGFILE."
-		exit 1
+		return 1
 	fi
 }
 
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
index 03617bcc..fe823026 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/openslx
@@ -28,13 +28,15 @@ mutesound &
 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 adminrun: looking for adminrun scripts."
+adminrun &
+
 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 84775db7..08a4853a 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
@@ -1,8 +1,10 @@
 #!/bin/bash
 
-# Dieses Skript liest die Auflösungsdate HOSTRES.TXT aus der Diskette 2 (/dev/fd1). In dieser 
-# Datei wird die native (maximale) Auflösung des Grundsystems bereitgestellt. fd1 wird vom 
-# openslx-Grundsystem geliefert. Es loggt nach SYSLOG (syslog oder messages).
+# Achtung: Dieses Skript ist veraltet und sollte nur noch zur Anschauung bzw. zu Debugzwecken
+# genutzt werden. Stattdessen sollte das Skriptpaket openslx genutzt werden.
+# Es liest die Datei openslx.ini aus, in der die Auflösung des Grundsystems bereitgestellt 
+# wird. Die (Pseudo-)Floppy fd1 wird vom  openslx-Grundsystem geliefert. Es loggt nach SYSLOG (
+# syslog oder messages).
 # 
 # Zu erledigen: Jede Menge, zB anständiges Trapping, Fehler abfangen usw...
 # set -x
diff --git a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution_standalone b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution_standalone
index 0f93c718..954fe4d7 100755
--- a/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution_standalone
+++ b/core/modules/run-virt/data/opt/openslx/vmchooser/data/linux/resolution_standalone
@@ -1,8 +1,10 @@
 #!/bin/bash
 
-# Dieses Skript liest die Auflösungsdate HOSTRES.TXT aus der Diskette 2 (/dev/fd1). In dieser 
-# Datei wird die native (maximale) Auflösung des Grundsystems bereitgestellt. fd1 wird vom 
-# openslx-Grundsystem geliefert. Es loggt nach SYSLOG (syslog oder messages).
+# Achtung: Dieses Skript ist veraltet und sollte nur noch zur Anschauung bzw. zu Debugzwecken
+# genutzt werden. Stattdessen sollte das Skriptpaket openslx genutzt werden.
+# Es liest die Datei openslx.ini aus, in der die Auflösung des Grundsystems bereitgestellt 
+# wird. Die (Pseudo-)Floppy fd1 wird vom  openslx-Grundsystem geliefert. Es loggt nach SYSLOG (
+# syslog oder messages).
 # 
 # Zu erledigen: Jede Menge, zB anständiges Trapping, Fehler abfangen usw...
 # set -x
-- 
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