[SSUS] Get ready for changed static_files struct, support new dnbd3

3 files changed, 135 insertions, 111 deletions

diff --git a/satellit_upgrader/dnbd3-Makefile b/satellit_upgrader/dnbd3-Makefile
new file mode 100644
index 0000000..75455dc
--- /dev/null
+++ b/satellit_upgrader/dnbd3-Makefile
@@ -0,0 +1,48 @@
+all: dnbd3-server
+
+CC?=gcc
+CFLAGS+=-pipe -DNDEBUG -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE \
+		-O3 -W -Wall -Wextra -std=gnu11 -Wno-unused-parameter -Iinc/
+#CC=clang
+#CFLAGS=-g -pipe -fsanitize=address -O1 -fno-omit-frame-pointer -W -Wall -Wextra -std=gnu99 -Wno-unused-parameter
+
+LIBS+=-ljansson -latomic -lpthread
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+
+dnbd3-server: inc/dnbd3/build.h \
+	src/server/altservers.o \
+	src/server/fileutil.o \
+	src/server/fuse.o \
+	src/server/globals.o \
+	src/server/helper.o \
+	src/server/image.o \
+	src/server/ini.o \
+	src/server/integrity.o \
+	src/server/locks.o \
+	src/server/net.o \
+	src/server/picohttpparser/picohttpparser.o \
+	src/server/reference.o \
+	src/server/rpc.o \
+	src/server/server.o \
+	src/server/threadpool.o \
+	src/server/uplink.o \
+	src/server/urldecode.o \
+	src/shared/crc32.o \
+	src/shared/fdsignal.o \
+	src/shared/log.o \
+	src/shared/serialize.o \
+	src/shared/sockhelper.o \
+	src/shared/timing.o
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) ${LIBS}
+
+inc/dnbd3/build.h:
+	@sed "s/@DNBD3_BUILD@/Makefile/;s/@DNBD3_BUILD_DATE@/$$(date +%Y-%m-%d)/" inc/dnbd3/build.h.in > inc/dnbd3/build.h
+
+.PHONY: clean inc/dnbd3/build.h
+
+clean:
+	rm -f -- *.[ao] dnbd3-server inc/dnbd3/build.h src/*/*.o src/*/*/*.o
+
diff --git a/satellit_upgrader/pack-update.sh b/satellit_upgrader/pack-update.sh
index fb25efb..b23aaa7 100755
--- a/satellit_upgrader/pack-update.sh
+++ b/satellit_upgrader/pack-update.sh
@@ -20,6 +20,9 @@ patchtgz () {
 
 declare -rg UPDATER="updater.sh"
 
+# Declare all the archives we need with a couple of expected contents,
+# so we can detect goof-ups right when packing the update
+
 declare -rg TGZ_SLXADMIN="files/slx-admin.tar.gz"
 declare -rg FILES_SLXADMIN="
 	modules-available/
@@ -105,12 +108,8 @@ cp "updater.template.sh" "$UPDATER" || perror "could not copy template"
 chmod +x "$UPDATER"
 
 VERSION=
-LEAN=
 while true; do
 	case "$1" in
-		--lean|-l)
-			LEAN=true
-			;;
 		--version)
 			shift
 			VERSION="$1"
@@ -166,24 +165,6 @@ addpayload () {
 	fi
 }
 
-addinstallfile () {
-	echo -n "Includes $1: "
-	local file=$1
-	local path=$(dirname "$file")
-	if [ ! -d "../satellit_installer" ]; then
-		echo "${RED}NO!${RESET} (satellit_installer not found)"
-	elif [ ! -e "../satellit_installer/static_files/$file" ]; then
-		echo "${RED}NO!${RESET} (file not found in satellit_installer/static_files)"
-	else
-		mkdir -p "files/$path" || echo -n "(mkdir failed) "
-		if cp "../satellit_installer/static_files/$file" "files/$file"; then
-			echo "${GREEN}yes${RESET}"
-		else
-			echo "...${RED}no!${RESET} (copy failed)"
-		fi
-	fi
-}
-
 # Replace variables
 # slxadmin version
 echo -n "Includes SLX-Admin: "
@@ -207,39 +188,13 @@ addpayload "IPXE" "iPXE source code"
 addpayload "LDADP" "ldap/ad proxy source code"
 addpayload "DNBD3" "dnbd3-server source code"
 
-addinstallfile "taskmanager/config"
-addinstallfile "taskmanager/environment"
-addinstallfile "taskmanager/taskmanager.service"
-
-if [ -z "$LEAN" ]; then
-	addinstallfile "lighttpd.conf"
-	addinstallfile "lighttpd-auto-ssl.sh"
-	addinstallfile "lighttpd-include-conf-d.sh"
-	addinstallfile "slxadmin-config.php"
-	addinstallfile "slxadmin-cronscript"
-	addinstallfile "slxadmin-crontab"
-	addinstallfile "slxadmin-bootscript"
-	addinstallfile "slxadmin-boot.service"
-	addinstallfile "patch_lighttpd_phpchildren"
-	addinstallfile "slx-cert"
-
-	addinstallfile "dnbd3/dnbd3-server.service"
-	addinstallfile "dnbd3/server.conf"
-	addinstallfile "dnbd3/rpc.acl"
-	addinstallfile "dnbd3/alt-servers"
-	addinstallfile "dnbd3/dnbd3-master-proxy.service"
-
-	addinstallfile "tftpd/tftpd-hpa.service"
-	addinstallfile "tftpd/tftpd-hpa"
-	addinstallfile "tftpd/tftpd-remap"
-	addinstallfile "slxadmin-init/gpg-key.asc"
-	addinstallfile "slxadmin-init/slxadmin-init.php"
-	addinstallfile "slxadmin-init/init.sh"
-
-	# TODO: Unify more
-	source ../satellit_installer/includes/10-sudo_config.inc
-	sudo_config files/tm-sudo-config
-fi
+# Add complete static_files directory structure
+find ../satellit_installer/static_files -mindepth 1 -maxdepth 1 -type d \
+	-exec cp -a {} files/ \; \
+	|| perror "Could not copy static_files dir structure"
+
+# Add simple dnbd3-server Makefile we need for older Debian 9 sats
+cp dnbd3-Makefile files/ || perror "Could not include dnbd3 Makefile"
 
 # Last patch: Payload offset
 # Calc payload offset, which is tricky as the size changes as we patch
diff --git a/satellit_upgrader/updater.template.sh b/satellit_upgrader/updater.template.sh
index f42b5d8..b745310 100644
--- a/satellit_upgrader/updater.template.sh
+++ b/satellit_upgrader/updater.template.sh
@@ -94,12 +94,13 @@ fixperms () {
 	fi
 }
 
-# diffcp "foo.txt" "/opt/openslx/dest.txt" ["Installing new foo file"]
+# diffcp <module> <file> [message]
+# diffcp "dnbd3" "/opt/openslx/foo.txt" ["Installing new foo file"]
 diffcp () {
-	local SRC="$FILEDIR/$1"
-	local DST=$2
+	local SRC="$FILEDIR/$1/$2"
+	local DST="/$2"
 	[ -e "$SRC" ] || return 1
-	[ -f "$SRC" ] || perror "$1 included in updater, but is not regular file."
+	[ -f "$SRC" ] || perror "$1/$2 included in updater, but is not regular file."
 	if [ -e "$DST" ]; then
 		[ -f "$DST" ] || perror "$DST exists and is not a regular file, cannot replace."
 		diff -q "$SRC" "$DST" &>/dev/null && return 1 # diff returns 0 if files are equal
@@ -107,9 +108,9 @@ diffcp () {
 	if [ -n "$3" ]; then
 		echo "$3"
 	else
-		echo "Installing $1"
+		echo "Installing $2"
 	fi
-	cp "$SRC" "$DST" || cp -f "$SRC" "$DST" || perror "Could not copy '$1' to '$DST'"
+	cp -d "$SRC" "$DST" 2> /dev/null || cp -d -f "$SRC" "$DST" || perror "Could not copy '$1/$2' to '$DST'"
 	return 0
 }
 
@@ -305,11 +306,13 @@ fi
 if [ -z "$tm_password" ]; then
 	tm_password="$(generate_password)"
 fi
-[ -n "$tm_password" ] && sed -i "s/%TM_OPENSLX_PASS%/${tm_password}/" "$FILEDIR/taskmanager/config"
+if [ -n "$tm_password" ]; then
+	sed -i "s/%TM_OPENSLX_PASS%/${tm_password}/" "$FILEDIR/taskmanager/$PATH_TASKMANAGER/config/config"
+fi
 mkdir -m 0750 -p "$PATH_TASKMANAGER/config"
-diffcp "taskmanager/config" "$PATH_TASKMANAGER/config/config" && tm_restart=1
-diffcp "taskmanager/environment" "$PATH_TASKMANAGER/config/environment" && tm_restart=4
-diffcp "taskmanager/taskmanager.service" "/etc/systemd/system/taskmanager.service" && tm_restart=111
+diffcp "taskmanager" "$PATH_TASKMANAGER/config/config" && tm_restart=1
+diffcp "taskmanager" "$PATH_TASKMANAGER/config/environment" && tm_restart=4
+diffcp "taskmanager" "/etc/systemd/system/taskmanager.service" && tm_restart=111
 # java app
 if [ -n "$TGZ_TASKMANAGER" ]; then
 	[ -e "$TMPDIR/$TGZ_TASKMANAGER" ] || perror "$TGZ_TASKMANAGER missing from payload"
@@ -331,7 +334,7 @@ fi
 chmod 0640 "$PATH_TASKMANAGER/config/config"
 chown -R root:taskmanager "$PATH_TASKMANAGER/config"
 # sudo config
-if diffcp "tm-sudo-config" "/etc/sudoers.d/taskmanager" "Installing new sudo config for taskmanager"; then
+if diffcp "taskmanager" "/etc/sudoers.d/taskmanager" "Installing new sudo config for taskmanager"; then
 	chmod 0440 "/etc/sudoers.d/taskmanager"
 fi
 if [ -n "$tm_restart" ]; then
@@ -408,7 +411,7 @@ if [ -n "$TGZ_SLXADMIN" ]; then
 	tar -x -C "$PATH_SLXADMIN" -f "$TMPDIR/$TGZ_SLXADMIN" || perror "Could not extract $TGZ_SLXADMIN to $PATH_SLXADMIN"
 	rm -f -- "$PATH_SLXADMIN/config.php.example"
 	# New config.php supplied
-	if [ -s "$FILEDIR/slxadmin-config.php" ]; then
+	if [ -s "$FILEDIR/slxadmin/${PATH_SLXADMIN}/config.php" ]; then
 		echo "Updating slx-admin config"
 		# Get data from old config
 		OLDFOOTER="$(grep -m 1 CONFIG_FOOTER "${PATH_SLXADMIN}/config.php"  | awk -F "'" '{print $4}' | sed 's/[ \[\]\(\)]*Update.*$//;s/#/+/g')"
@@ -417,7 +420,7 @@ if [ -n "$TGZ_SLXADMIN" ]; then
 		if [ -z "$SQLPASS" ]; then
 			pwarning "Could not extract old slx-admin mysql password - cannot update config :("
 		else
-			sed "s/%MYSQL_OPENSLX_PASS%/${SQLPASS}/g" "$FILEDIR/slxadmin-config.php" > "${PATH_SLXADMIN}/config.php"
+			sed "s/%MYSQL_OPENSLX_PASS%/${SQLPASS}/g" "$FILEDIR/slxadmin/${PATH_SLXADMIN}/config.php" > "${PATH_SLXADMIN}/config.php"
 		fi
 		sed -i "s/%TM_OPENSLX_PASS%/${tm_password}/g" "${PATH_SLXADMIN}/config.php"
 		# Update version info in footer
@@ -434,12 +437,12 @@ if [ -n "$TGZ_SLXADMIN" ]; then
 		echo "Config updated"
 	fi
 	# New scripts supplied
-	diffcp "slxadmin-cronscript" "/opt/openslx/slxadmin-cronscript"
-	diffcp "slxadmin-bootscript" "/opt/openslx/slxadmin-bootscript"
+	diffcp "slxadmin" "/opt/openslx/slxadmin-cronscript"
+	diffcp "slxadmin" "/opt/openslx/slxadmin-bootscript"
 	# New crontab supplied
-	diffcp "slxadmin-crontab" "/etc/cron.d/slx-admin"
+	diffcp "slxadmin" "/etc/cron.d/slx-admin"
 	# Service
-	diffcp "slxadmin-boot.service" "/etc/systemd/system/slxadmin-boot.service"
+	diffcp "slxadmin" "/etc/systemd/system/slxadmin-boot.service"
 	ln -nfs "../slxadmin-boot.service" "/etc/systemd/system/multi-user.target.wants/slxadmin-boot.service"
 	# Ask about ipxe / pxelinux
 	if [ -z "$bootmodule" ] || [ "$bootmodule" = "serversetup-bwlp-pxelinux" ] || ! [ -d "$PATH_SLXADMIN/modules-available/$bootmodule" ]; then
@@ -550,17 +553,17 @@ echo "* Configuring lighttpd"
 
 if [ "$MAJOR" -lt 10 ]; then
 	# Filename changed on Debian 10, patch back for 9
-	sed -i 's/create-mime\.conf\.pl/create-mime.assign.pl/' "$FILEDIR/lighttpd.conf"
+	sed -i 's/create-mime\.conf\.pl/create-mime.assign.pl/' "$FILEDIR/lighttpd/etc/lighttpd/lighttpd.conf"
 fi
-diffcp "lighttpd.conf" "/etc/lighttpd/lighttpd.conf" && restart["lighttpd.service"]=ja
-diffcp "lighttpd-auto-ssl.sh" "/usr/share/lighttpd/auto-ssl.sh" && restart["lighttpd.service"]=ja
-diffcp "slx-cert" "/opt/openslx/slx-cert" && restart["lighttpd.service"]=ja
-diffcp "lighttpd-include-conf-d.sh" "/usr/share/lighttpd/include-conf-d.sh" && restart["lighttpd.service"]=ja
+diffcp "lighttpd" "/etc/lighttpd/lighttpd.conf" && restart["lighttpd.service"]=ja
+diffcp "lighttpd" "/usr/share/lighttpd/auto-ssl.sh" && restart["lighttpd.service"]=ja
+diffcp "lighttpd" "/opt/openslx/slx-cert" && restart["lighttpd.service"]=ja
+diffcp "lighttpd" "/usr/share/lighttpd/include-conf-d.sh" && restart["lighttpd.service"]=ja
 
 # ********************** lighttpd php_children *************
 mkdir -p /usr/local/sbin
 
-if diffcp "patch_lighttpd_phpchildren" "/usr/local/sbin/patch_lighttpd_phpchildren" "Installing script to set dynamic php children value" \
+if diffcp "lighttpd" "/usr/local/sbin/patch_lighttpd_phpchildren" "Installing script to set dynamic php children value" \
 		|| grep -qF 'patch_lighttpd_phpchildren' "/lib/systemd/system/lighttpd.service"; then
 	if [ -f "/lib/systemd/system/lighttpd.service" ]; then
 		# remove old hacky way
@@ -589,7 +592,7 @@ fi
 # ************************** PHP ***************************
 
 inicount=0
-for PHPINIFILE in /etc/php/7.*/cgi/php.ini; do
+for PHPINIFILE in /etc/php/*/cgi/php.ini; do
 	[ -f "$PHPINIFILE" ] || continue
 	inicount=$(( inicount + 1 ))
 	if ! grep -q -E '^\s*upload_max_filesize = 100M' "$PHPINIFILE"; then
@@ -632,13 +635,11 @@ fi
 chg=false
 if which "atftpd" &>/dev/null || dpkg-query -W -f='${db:Status-Abbrev}' "atftpd" 2> /dev/null | grep -q '^ii' \
 		|| ! which "in.tftpd" &>/dev/null; then
-	if diffcp "tftpd/tftpd-hpa" "/etc/default/tftpd-hpa"; then
-		echo "Replacing atftpd with tftpd-hpa"
-		systemctl stop atftpd.service
-		failprint apt-get purge -y atftpd || pwarning "Could not uninstall atftpd"
-		aptinst tftpd-hpa || perror "Could not install tftpd-hpa. Netboot is now broken."
-		chg=true
-	fi
+	echo "Replacing atftpd with tftpd-hpa"
+	systemctl stop atftpd.service
+	failprint apt-get purge -y atftpd || pwarning "Could not uninstall atftpd"
+	aptinst tftpd-hpa || perror "Could not install tftpd-hpa. Netboot is now broken."
+	chg=true
 fi
 
 if [ -e "/etc/systemd/system/atftpd.service" ]; then
@@ -647,9 +648,9 @@ if [ -e "/etc/systemd/system/atftpd.service" ]; then
 	chg=true
 fi
 
-diffcp "tftpd/tftpd-hpa" "/etc/default/tftpd-hpa" && chg=true
-diffcp "tftpd/tftpd-hpa.service" "/etc/systemd/system/tftpd-hpa.service" && chg=true
-diffcp "tftpd/tftpd-remap" "/opt/openslx/tftpd-remap" && chg=true
+diffcp "tftpd" "/etc/default/tftpd-hpa" && chg=true
+diffcp "tftpd" "/etc/systemd/system/tftpd-hpa.service" && chg=true
+diffcp "tftpd" "/opt/openslx/tftpd-remap" && chg=true
 if "$chg"; then
 	ln -s -f "../tftpd-hpa.service" "/etc/systemd/system/multi-user.target.wants/"
 	daemon_reload=true
@@ -657,7 +658,7 @@ if "$chg"; then
 fi
 
 # ********************** dmsd.service **********************
-if diffcp "dmsd.service" "/etc/systemd/system/dmsd.service"; then
+if diffcp "dmsd" "/etc/systemd/system/dmsd.service"; then
 	ln -s -f "../dmsd.service" "/etc/systemd/system/multi-user.target.wants/"
 	daemon_reload=1
 	restart["dmsd.service"]=2
@@ -686,51 +687,65 @@ if ! id -u dnbd3 &> /dev/null; then
 fi
 
 # config
-diffcp "dnbd3/server.conf" "/etc/dnbd3-server/server.conf"
-diffcp "dnbd3/rpc.acl" "/etc/dnbd3-server/rpc.acl"
-diffcp "dnbd3/alt-servers" "/etc/dnbd3-server/alt-servers"
+diffcp "dnbd3" "/etc/dnbd3-server/server.conf"
+diffcp "dnbd3" "/etc/dnbd3-server/rpc.acl"
+diffcp "dnbd3" "/etc/dnbd3-server/alt-servers"
 rm -f -- "$PATH_DNBD3/is-enabled"
 
 if [ -n "$TGZ_DNBD3" ]; then
 	tmpdir="$TMPDIR/dnbd3.tmp"
 	mkdir -p "$tmpdir"
 	tar --transform='s,^[./]*dnbd3[^/]*/,,' -x -C "$tmpdir" -f "$TMPDIR/$TGZ_DNBD3" || perror "Could not extract $TGZ_DNBD3 to $tmpdir"
-	cver=$( "$PATH_DNBD3/dnbd3-server" --version 2> /dev/null | grep -Po '(?<=^Version: ).*(?=, branch)' )
+	cver=$( "$PATH_DNBD3/dnbd3-server" --version 2> /dev/null | grep -Poi '(?<=Version: ).*(?=, branch)' )
 	nver=$( < "$tmpdir/inc/dnbd3/version.h"  grep -Po '(?<=^#define DNBD3_VERSION ").*(?=")' )
 	[ -z "$cver" ] && pwarning "BUG BUG! Cannot query dnbd3 version information from currently installed binary!"
 	[ -z "$nver" ] && pwarning "BUG BUG! Updater package contains no dnbd3 version information!"
 	mkdir -p "$PATH_DNBD3"
 	if [ "${cver#v}" != "${nver#v}" ]; then
-		aptinst libjansson-dev
-		aptinst libfuse-dev
-		aptinst cmake
 		echo "Compiling new dnbd3-server binary..."
 		cd "$tmpdir"
-		mkdir build
-		cd build
-		if ! failprint cmake -DDNBD3_CLIENT_FUSE=OFF -DDNBD3_KERNEL_MODULE=OFF \
-				-DDNBD3_SERVER=ON -DDNBD3_SERVER_FUSE=OFF -DCMAKE_BUILD_TYPE=Release ..; then
-			pwarning "Could not cmake new version $nver of dnbd3-server"
-		elif ! failprint make -j2 dnbd3-server; then
-			pwarning "Could not compile new version $nver of dnbd3-server"
-		elif ! cp -f dnbd3-server "$PATH_DNBD3/dnbd3-server"; then
-			pwarning "Successfully built new dnbd3-server, but could not copy binary to $PATH_DNBD3/dnbd3-server"
-		else # Clear this so we know not to print the "trying to keep going.." message
-			cver=
+		aptinst libjansson-dev
+		if [ "$MAJOR" -le 9 ]; then
+			# cmake too old; try with makefile
+			if ! cp "$FILEDIR/dnbd3-Makefile" Makefile; then
+				pwarning "Could not get legacy dnbd3 make file"
+			elif ! failprint make -j2 dnbd3-server; then
+				pwarning "Could not compile new dnbd3-server version $nver"
+			elif ! cp -f dnbd3-server "$PATH_DNBD3/dnbd3-server"; then
+				pwarning "Successfully built new dnbd3-server, but could not copy binary to $PATH_DNBD3/dnbd3-server"
+			else
+				cver=
+			fi
+		else
+			# New proper cmake way
+			aptinst libfuse-dev
+			aptinst cmake
+			mkdir build
+			cd build
+			if ! failprint cmake -DDNBD3_CLIENT_FUSE=OFF -DDNBD3_KERNEL_MODULE=OFF \
+					-DDNBD3_SERVER=ON -DDNBD3_SERVER_FUSE=OFF -DCMAKE_BUILD_TYPE=Release ..; then
+				pwarning "Could not cmake new version $nver of dnbd3-server"
+			elif ! failprint make -j2 dnbd3-server; then
+				pwarning "Could not compile new version $nver of dnbd3-server"
+			elif ! cp -f dnbd3-server "$PATH_DNBD3/dnbd3-server"; then
+				pwarning "Successfully built new dnbd3-server, but could not copy binary to $PATH_DNBD3/dnbd3-server"
+			else # Clear this so we know not to print the "trying to keep going.." message
+				cver=
+			fi
 		fi
 		[ -n "$cver" ] && pwarning "Trying to keep going with current version $cver"
 	fi
 fi
 
 # ******************* dnbd3-server.service ***************
-if diffcp "dnbd3/dnbd3-server.service" "/etc/systemd/system/dnbd3-server.service"; then
+if diffcp "dnbd3" "/etc/systemd/system/dnbd3-server.service"; then
 	ln -n -s -f "../dnbd3-server.service" "/etc/systemd/system/multi-user.target.wants/dnbd3-server.service"
 	daemon_reload=1
 	restart["dnbd3-server.service"]=1
 fi
 
 # *************** dnbd3-master-proxy.service *************
-if diffcp "dnbd3/dnbd3-master-proxy.service" "/etc/systemd/system/dnbd3-master-proxy.service"; then
+if diffcp "dnbd3" "/etc/systemd/system/dnbd3-master-proxy.service"; then
 	aptinst socat
 	ln -n -s -f "../dnbd3-master-proxy.service" "/etc/systemd/system/multi-user.target.wants/dnbd3-master-proxy.service"
 	daemon_reload=2
@@ -792,6 +807,12 @@ if ! [ -s /root/.ssh/id_rsa ]; then
 	ssh-keygen -f /root/.ssh/id_rsa -N '' -C autogenerated &>/dev/null || pwarning "Could not create new ssh keypair in /root/.ssh/id_rsa"
 fi
 
+# Timesync
+diffcp "timesync" "/etc/systemd/system/redneck-timesync.service"
+diffcp "timesync" "/usr/local/sbin/redneck-timesync.sh"
+mkdir -p "/etc/systemd/system/network-online.target.wants"
+ln -nfs "../redneck-timesync.service" "/etc/systemd/system/network-online.target.wants/redneck-timesync.service"
+
 # Wait for webif callbacks and IPXE compile
 echo -n "Finishing."
 sudo -u www-data -n php /srv/openslx/www/slx-admin/api.php rebootcontrol --action rebuild >/dev/null 2>&1
@@ -861,7 +882,7 @@ for i in /opt/openslx/restore.d/*/init.sh; do
 done
 
 # Patch the update version in /etc/motd
-sed -r -i 's/(bwLehrpool Satelliten-Server, Version[^[(*]*)\s*([[(]Update.*[])]\s*)?/\1\[Update: '"${SLXADMIN_FOOTER}"'] /g' /etc/motd
+sed -r -i 's/(bwLehrpool Satelliten-Server, Version[^[(*]*)\s*([[(]Update.*[])])?\s*/\1 [Update: '"${SLXADMIN_FOOTER}"'] /g' /etc/motd
 
 echo ""
 echo "Update complete. This update needs a reboot to be working as intended. Please do so now."