remaster/src/remaster.sh

#!/bin/bash
#@version 1.9.1
#@autor 6543@obermui.de
#@date 2018-04-26
#@licence GNUv3

#####################################################################################
################## S e t t i n g s ##################################################
#####################################################################################
#get base dir
rootdir=`echo $0 | rev | cut -d "/" -f 2- | rev`/../../
rootdir=`readlink -e $rootdir`

#set functions
if [ -p "$rootdir/usr/lib/remaster/" ]; then
	#source "$rootdir/usr/lib/remaster/" ...
	export PATH="$rootdir/usr/lib/remaster/":$PATH
else
	echo "ERROR functions not found"
	exit 1
fi

#read main setting
if [ -f "$rootdir/etc/remaster/config.cfg"]; then
	source "$rootdir/etc/remaster/config.cfg"
else
	if [ -f "$rootdir/etc/remaster/config.sample.cfg"]; then
		source "$rootdir/etc/remaster/config.sample.cfg"
	else
		echo "ERROR config not found"
		exit 1
	fi
fi

#####################################################################################
################## M o d e s ########################################################
#####################################################################################

#remaster.sh renew
function main_renew() {

	[ -f "$log_file" ] || touch "$log_file"
	tail -f "$log_file" --pid="$$" &

	chroot_path="`mktemp -d`"
	iso_extr_dir="`mktemp -d`"

	echo "Remaster LOG `date '+%Y-%m-%d'`" > "$log_file"
	echo "MODE: renew" >> "$log_file"
	echo "HOST: `hostname`" >> "$log_file"
	echo >> "$log_file"

	echo "### S e t t i n g s ###" >> "$log_file"
	echo "#CD/DVD" >> "$log_file"
	echo "iso_source=\"$iso_source\"" >> "$log_file"
	echo "iso_destination=\"$iso_destination\"" >> "$log_file"
	echo "iso_lable=\"$iso_lable\"" >> "$log_file"
	echo >> "$log_file"

	echo "#Filesystem (for pxe)"  >> "$log_file"
	echo "filesystem_source=\"$filesystem_source\""  >> "$log_file"
	echo >> "$log_file"

	echo "#Network" >> "$log_file"
	echo "proxy_host=\"$proxy_host\"" >> "$log_file"
	echo "proxy_port=\"$proxy_port\"" >> "$log_file"
	echo "domain=\"$domain\"" >> "$log_file"
	echo "nameserver=\"$nameserver\"" >> "$log_file"
	echo >> "$log_file"

	echo "#remaster_script" >> "$log_file"
	echo "distro=\"$distro\"" >> "$log_file"
	echo >> "$log_file"

	echo "log_file=\"$log_file\""
	echo "log_mail_aim=\"$log_mail_aim\""
	echo "log_mail_subject=\"$log_mail_subject\""
	echo ""

	echo "#Sonstiges" >> "$log_file"
	echo "tools_list=\"$tools_list\"" >> "$log_file"
	echo $'\n' >> "$log_file"

	echo "### Enviroment ###"
	echo "iso_extr_dir=\"$iso_extr_dir\"" >> "$log_file"
	echo "chroot_path=\"$chroot_path\"" >> "$log_file"
	#env >> "$log_file"
	echo $'\n\n' >> "$log_file"

	echo $'### R U N ... ###\n' >> "$log_file"

	#1. Set and Check Enviroment
	check_user
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	check_dependency
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	[ "$distro" != "" ] && distro="_$distro"

	# 2. Entpacke ISO
	iso_extract "$iso_source" "$iso_extr_dir"

	# 3. Entpacken der Dateien des Live-Systems
	filesystem_img="`find  "$iso_extr_dir" -name filesystem.squashfs`"
	[ -e "$filesystem_img" ] || {
	  echo "### ERROR ### Image \"$iso_source\" has no \"filesystem.squashfs\"" >> "$log_file"
	  on_exit 15 >> "$log_file"
	}

	filesystem_extract "$filesystem_img" "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 4. Vorbereiten für chroot-Umgebung:

	chroot_initial$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 5. Setzen der Netzwerk-Einstellungen:

	proxy_enable$distro "$chroot_path" "$proxy_host" "$proxy_port" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	dns_set "$chroot_path" "$domain" "$nameserver" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 6. Updaten von Desinfec't:
	os_update$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 7. Installation optionaler Tools:

	tools_add$distro "$chroot_path" "$tools_list" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	#addo ClamAV to conky_info
	sed -i 's/# ${color white}ClamAV/ ${color white}ClamAV/g'  "$chroot_path/etc/skel/.conkyrc"

	chroot_clean "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 8. Manuelle Aktionen - deaktiviert

	#echo "Now You Have TIME to do something MANUALY!"
	#echo "enter in shell: #> chroot $chroot_path /bin/bash"
	#chroot $chroot_path /bin/bash
	#echo "Are You Finisch? Then Press [ENTER]"

	# 9. Umount - Chroot Umgebung auflösen

	chroot_umount$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	#Überprüfen ob alles ausgehängt wurde
	[ "`chroot_is_mounted "$chroot_path"`" == "true" ] && {
	  echo "### ERROR ### Cant Unmount Chroot!" >> "$log_file"
	  on_exit 21 >> "$log_file"
	}

	# 10. Packen und Ersetzen der Dateien des Live-Systems
	rm "$filesystem_img" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	filesystem_pack "$chroot_path"  "$filesystem_img" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# wenn iso gewünscht
	[ "$iso_destination" != "" ] && {
			iso_create$distro "$chroot_path" "$iso_extr_dir" "$iso_destination" "$iso_lable" >> "$log_file"
			error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"
	}

	# wenn filesystem gewünscht
	[ "$filesystem_source" != "" ] && {
	  #wen bereits forhanden dann löschen
	  [ -f "$filesystem_source" ] && rm "$filesystem_source"
	  cp "$filesystem_img" "$filesystem_source" >> "$log_file"
	  error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	  chmod 666 "$filesystem_source"
	  error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"
	}

	chmod 666 "$iso_destination" "$filesystem_img" >> "$log_file"

	workspace_erase "$iso_extr_dir/" "$chroot_path/" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"


	on_exit 0
}

#remaster.sh update_pxe
function main_update_pxe() {

	[ "$log_file" == "" ] && log_file="`mktemp`"
	[ -f "$log_file" ] || touch "$log_file"
	tail -f "$log_file" --pid="$$" &

	chroot_path="`mktemp -d`"

	echo "Remaster LOG `date '+%Y-%m-%d'`" > "$log_file"
	echo "MODE: update_pxe" >> "$log_file"
	echo "HOST: `hostname`" >> "$log_file"
	echo >> "$log_file"

	echo "### S e t t i n g s ###" >> "$log_file"
	echo "#Filesystem (for pxe)"  >> "$log_file"
	echo "filesystem_source=\"$filesystem_source\""
	echo >> "$log_file"

	echo "#Network" >> "$log_file"
	echo "domain=\"$domain\"" >> "$log_file"
	echo "nameserver=\"$nameserver\"" >> "$log_file"
	echo >> "$log_file"

	echo "#remaster_script" >> "$log_file"
	echo "distro=\"$distro\"" >> "$log_file"
	echo >> "$log_file"

	echo "log_file=\"$log_file\""
	echo "log_mail_aim=\"$log_mail_aim\""
	echo "log_mail_subject=\"$log_mail_subject\""
	echo ""

	echo "#Sonstiges" >> "$log_file"
	echo "tools_list=\"$tools_list\"" >> "$log_file"
	echo $'\n' >> "$log_file"

	echo "### Enviroment ###"
	echo "chroot_path=\"$chroot_path\"" >> "$log_file"
	#env >> "$log_file"
	echo $'\n\n' >> "$log_file"

	echo $'### R U N ... ###\n' >> "$log_file"

	#1. Set and Check Enviroment
	check_user
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	check_dependency
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	[ "$distro" != "" ] && distro="_$distro"

	# 1. Entpacken der Dateien des Live-Systems
	[ -e "$filesystem_source" ] || {
	  echo "### ERROR ### \"$filesystem_source\" does not exist!" >> "$log_file"
	  on_exit 15 >> "$log_file"
	}

	filesystem_extract "$filesystem_source" "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 2. Vorbereiten für chroot-Umgebung:

	chroot_initial$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 3. Setzen der Netzwerk-Einstellungen:

	dns_set "$chroot_path" "$domain" "$nameserver" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 4. Updaten von Desinfec't:
	os_update$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 5. Manuelle Aktionen - deaktiviert

	echo "Now You Have TIME to do something MANUALY!"
	#echo "enter in shell:
	chroot $chroot_path /bin/bash
	#echo "Are You Finisch? Then Press [ENTER]"
	#read

	# 6. Umount - Chroot Umgebung auflösen

	chroot_umount$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	#Überprüfen ob alles ausgehängt wurde
	[ "`chroot_is_mounted "$chroot_path"`" == "true" ] && {
	  echo "### ERROR ### Cant Unmount Chroot!" >> "$log_file"
	  on_exit 21 >> "$log_file"
	}

	# 5. Packen und Ersetzen der Dateien
	rm "$filesystem_source" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	filesystem_pack "$chroot_path"  "$filesystem_source" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	chmod 777 "$filesystem_source" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	workspace_erase "$chroot_path/" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"


	on_exit 0
}

#remaster.sh update_iso #in arbeit
function main_update_iso() {
	[ -f "$log_file" ] || touch "$log_file"
	tail -f "$log_file" --pid="$$" &

	chroot_path="`mktemp -d`"
	iso_extr_dir="`mktemp -d`"

	echo "Remaster LOG `date '+%Y-%m-%d'`" > "$log_file"
	echo "MODE: update_iso" >> "$log_file"
	echo "HOST: `hostname`" >> "$log_file"
	echo >> "$log_file"

	echo "### S e t t i n g s ###" >> "$log_file"
	echo "#CD/DVD" >> "$log_file"
	echo "iso_source=\"$iso_source\"" >> "$log_file"
	echo "iso_destination=\"$iso_destination\"" >> "$log_file"
	echo "iso_lable=\"$iso_lable\"" >> "$log_file"
	echo >> "$log_file"

	echo "#Filesystem (for pxe)"  >> "$log_file"
	echo "filesystem_source=\"$filesystem_source\""  >> "$log_file"
	echo >> "$log_file"

	echo "#Network" >> "$log_file"
	echo "proxy_host=\"$proxy_host\"" >> "$log_file"
	echo "proxy_port=\"$proxy_port\"" >> "$log_file"
	echo "domain=\"$domain\"" >> "$log_file"
	echo "nameserver=\"$nameserver\"" >> "$log_file"
	echo >> "$log_file"

	echo "#remaster_script" >> "$log_file"
	echo "distro=\"$distro\"" >> "$log_file"
	echo >> "$log_file"

	echo "log_file=\"$log_file\""
	echo "log_mail_aim=\"$log_mail_aim\""
	echo "log_mail_subject=\"$log_mail_subject\""
	echo ""

	echo "#Sonstiges" >> "$log_file"
	echo "tools_list=\"$tools_list\"" >> "$log_file"
	echo $'\n' >> "$log_file"

	echo "### Enviroment ###"
	echo "iso_extr_dir=\"$iso_extr_dir\"" >> "$log_file"
	echo "chroot_path=\"$chroot_path\"" >> "$log_file"
	#env >> "$log_file"
	echo $'\n\n' >> "$log_file"

	echo $'### R U N ... ###\n' >> "$log_file"

	#1. Set and Check Enviroment
	check_user
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	check_dependency
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	[ "$distro" != "" ] && distro="_$distro"

	# 2. Entpacke ISO
	iso_extract "$iso_source" "$iso_extr_dir"

	# 3. Checke pxe version
	# if pxe is set
	# 	if (date != date ); then $0 update_pxe 		#4.1
	#		filesystem = update												#4.2
	# else
	#  	extrakt filesystem												#5.
	#		update																		#6.
	# done
	# pack iso

	# 3. Entpacken der Dateien des Live-Systems
	filesystem_img="`find  "$iso_extr_dir" -name filesystem.squashfs`"
	[ -e "$filesystem_img" ] || {
	  echo "### ERROR ### Image \"$iso_source\" has no \"filesystem.squashfs\"" >> "$log_file"
	  on_exit 15 >> "$log_file"
	}

	filesystem_extract "$filesystem_img" "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 4. Vorbereiten für chroot-Umgebung:

	chroot_initial$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 5. Setzen der Netzwerk-Einstellungen:

	proxy_enable$distro "$chroot_path" "$proxy_host" "$proxy_port" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	dns_set "$chroot_path" "$domain" "$nameserver" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 6. Updaten von Desinfec't:
	os_update$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 7. Installation optionaler Tools:

	tools_add$distro "$chroot_path" "$tools_list" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	#addo ClamAV to conky_info
	sed -i 's/# ${color white}ClamAV/ ${color white}ClamAV/g'  "$chroot_path/etc/skel/.conkyrc"

	chroot_clean "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# 8. Manuelle Aktionen - deaktiviert

	#echo "Now You Have TIME to do something MANUALY!"
	#echo "enter in shell: #> chroot $chroot_path /bin/bash"
	#chroot $chroot_path /bin/bash
	#echo "Are You Finisch? Then Press [ENTER]"

	# 9. Umount - Chroot Umgebung auflösen

	chroot_umount$distro "$chroot_path" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	#Überprüfen ob alles ausgehängt wurde
	[ "`chroot_is_mounted "$chroot_path"`" == "true" ] && {
	  echo "### ERROR ### Cant Unmount Chroot!" >> "$log_file"
	  on_exit 21 >> "$log_file"
	}

	# 10. Packen und Ersetzen der Dateien des Live-Systems
	rm "$filesystem_img" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	filesystem_pack "$chroot_path"  "$filesystem_img" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	# wenn iso gewünscht
	[ "$iso_destination" != "" ] && {
			iso_create$distro "$chroot_path" "$iso_extr_dir" "$iso_destination" "$iso_lable" >> "$log_file"
			error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"
	}

	# wenn filesystem gewünscht
	[ "$filesystem_source" != "" ] && {
	  #wen bereits forhanden dann löschen
	  [ -f "$filesystem_source" ] && rm "$filesystem_source"
	  cp "$filesystem_img" "$filesystem_source" >> "$log_file"
	  error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"

	  chmod 666 "$filesystem_source"
	  error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"
	}

	chmod 666 "$iso_destination" "$filesystem_img" >> "$log_file"

	workspace_erase "$iso_extr_dir/" "$chroot_path/" >> "$log_file"
	error_level="$?"; [ "$error_level" != "0" ] && on_exit $error_level >> "$log_file"


	on_exit 0
}

#remaster.sh update
function main_update() {
	main_update_pxe
}

#remaster.sh error_code [error_level]
function main_error_code() {
	error_code $1
}

#####################################################################################
################## F u n c t i o n s ################################################
#####################################################################################

### Error Handlings ###

#on_exit [error_level]
function on_exit() {
	#send log and errorlevel[success/errorr xy]

	if [ "$1" != "0" ]; then
		log_mail_subject="$log_mail_subject [ERROR]"
	else
		log_mail_subject="$log_mail_subject [Success]"
	fi

	#Mail Body:
	for mail_aim in `echo "$log_mail_aim" | tr "," " "`; do
		{
			echo "$log_mail_subject"
			echo $'####################################################################################\n\n'
			cat "$log_file"
		} | sendemail -s "$log_mail_smtp" -f "$log_mail_source" -t "$mail_aim" -u "$log_mail_subject" -o tls=no
	done

	[ "$1" != "0" ] && {
		chroot_umount$distro "$chroot_path" 2> /dev/null
		workspace_erase "$iso_extr_dir/" "$chroot_path/" 2> /dev/null
	}
	exit $1
}

#error_code [error_level]
function error_code() {
	code="$1"
 	case $code in
  	"")
			echo $'ID:\tDescription\n----------------------------------------------------\n1\tAllgemeiner Fehler\n2\tNo Paramters / wrong parameters'
			echo $'3\tWrong Settings\n4\tProgramm missing\n\n10\tno root\n11\tfile no found\n12\tdir not found\n13\tcant create/delete file/dir'
			echo $'14\tcorrupt file (unsquashfs, mount iso, ...)\n15\twrong file (iso has no squashfs-file ...)\n16\trequired Packet not found\n\n20\tmount error\n21\tunmoun error\n22\twrong filesystem'
			;;
		1)
			echo "Allgemeiner Fehler"
			;;
		2)
			echo "No Paramters / wrong parameters"
  		;;
  	3)
  		echo "Wrong Settings"
  		;;
  	4)
  		echo "Programm missing"
  		;;
  	10)
  		echo "not executed as Root"
  		;;
  	11)
  		echo "file no found"
  		;;
  	12)
  		echo "dir not found"
  		;;
  	13)
  		echo "cant create/delete file/dir"
  		;;
  	14)
  		echo "corrupt file (unsquashfs, mount iso, ...)"
  		;;
  	15)
  		echo "wrong file (iso has no squashfs-file ...)"
  		;;
		16)
			echo "required Packet not found"
			;;
  	20)
  		echo "tmount error"
  		;;
  	21)
  		echo "unmoun error"
  		;;
  	22)
  		echo "wrong filesystem"
  		;;
  	*)
  		echo $'No Defined Error Code.\nPerhaps an Error ocure on a Command wich was started by this Skritp.'
  		;;
	esac
}

#check_user
function check_user() {
	#check root
	[ "`whoami`" == "root" ] || {
		echo "### ERROR ### Remaster need ROOT permision!"
		return 10
	}
}

#check_dependency
function check_dependency() {
	for packet in squashfs-tools xorriso wget sed sendemail; do
		[ "`dpkg -l $packet 2>&1`" == "dpkg-query: Kein Paket gefunden, das auf $packet passt" ] && {
			echo "### ERROR ### Packet $packet not installed"
			return 16
		}
	done
	return 0
}


### Workspace ###

#workspace_erase [workspace_path]
function workspace_erase() {
	echo -n "erase workspace ... "

	for dir in "$@"; do
		[ -d "$dir" ] && rm -r -f "$dir"
	done

	echo "done"
}

### Filesystem ###

#filesystem_extract [filesystem_img_source] [chroot_path]
function filesystem_extract() {
	echo "extract filesystem ..."

	#$1 = filesystem_img_source
	#$2 = chroot_path
	filesystem_img_source="$1"
	chroot_path="$2"
	filesystem_log="`mktemp`"

	#Überfrüfen der Parameter
	[ -f "$filesystem_img_source" ] || {
		echo "### ERROR ### filesystem_extract: squashfs \"$filesystem_img_source\" not exist!"
		return 11
	}

	[ "`mkdir -p "$chroot_path"`" != "" ] && {
		echo "### ERROR ### filesystem_extract: chroot_path \"$chroot_path\" can't create!"
		return 13
	}

	[ "`filesystem_get_type $chroot_path`" != "ext4" ] && [ "`filesystem_get_type $chroot_path`" != "btrfs" ] && {
		echo "### ERROR ### filesystem_extract: wrong filesystem (`filesystem_get_type $chroot_path`)!"
		return 22
	}

	rm -r "$chroot_path"

	#eigendliches entpacken
	unsquashfs -d "$chroot_path" "$filesystem_img_source" > "$filesystem_log" || {
		echo "### ERROR ### filesystem_extract: unsquashfs failed!"
		return 14
	}

	grep -v "\[" "$filesystem_log"
	rm "$filesystem_log"

	echo "done"
}

#filesystem_pack [chroot_path] [filesystem_img_destination]
function filesystem_pack() {
	echo "pack filesystem ..."

	#$1 = chroot_path
	#$2 = filesystem_img_destination
	chroot_path="$1"
	filesystem_img_destination="$2"
	filesystem_log="`mktemp`"

	#Überfrüfen der Parameter
	[ -d "$chroot_path" ] || {
		echo "### ERROR ### filesystem_extract: chroot_path \"$chroot_path\" not exist!"
		return 12
	}

	#loslegen ...
	rm -f "$filesystem_img_destination"
	mksquashfs "$chroot_path" "$filesystem_img_destination" > "$filesystem_log" || {
		echo "### ERROR ### filesystem_pack: mksquashfs failed!"
		return 13
	}

	grep -v "\[" "$filesystem_log"
	rm "$filesystem_log"

	echo "done"
}

#filesystem_get_type [dir]
#(String)-> ext4, ext2, btfs, fuse, ...
function filesystem_get_type() {
	fs_aTemp=(`df -T "$1"`)
	echo ${fs_aTemp[9]}
}

### ISO ###

#iso_extract [iso_source] [iso_extr_dir]
function iso_extract() {
	echo -n "extract iso ... "

	#$1 = iso_source
	#$2 = iso_extr_dir

	#check root
	[ "`whoami`" == "root" ] || {
		echo "### ERROR ### iso_extract: need root permision!"
		return 10
	}

	iso_source="$1"
	[ -f "$iso_source" ] || {
		echo "### ERROR ### iso_extract: ISO \"$iso_source\" not exist!"
		return 11
	}

	iso_extr_dir="$2"
	[ -d "$iso_extr_dir" ] || {
		echo "### ERROR ### iso_extract: aim directory not exist!"
		return 12
	}

	#mace tmp mountpoint
	tmpdir="`mktemp -d`"
	[ -d "$iso_extr_dir" ] && {
		rm -r "$iso_extr_dir/"
		mkdir "$iso_extr_dir"
	}

	#copy files ...
	mount -o loop,ro "$iso_source" "$tmpdir"
	cp -f -r "$tmpdir/"* "$iso_extr_dir"

	#clear tmp mountpoint
	umount "$iso_source"
	rm -r "$tmpdir"
	tmpdir=

	echo "done"
}

#iso_create [chroot_path] [iso_extr_dir] [iso_destination] [iso_lable]
function iso_create() {
	echo -n "create iso ..."

	chroot_path="$1"
	iso_extr_dir="$2"
	iso_destination="$3"
	iso_lable="$4"

	[ -e "$iso_destination" ] && rm "$iso_destination"

	xorriso -as mkisofs -graft-points -c isolinux/boot.cat -b isolinux/isolinux.bin \
	-no-emul-boot -boot-info-table -boot-load-size 4 -isohybrid-mbr \
	"$iso_extr_dir/isolinux/isolinux.bin" \
	-eltorito-alt-boot -e boot/grub/efi.img -no-emul-boot \
	-isohybrid-gpt-basdat -V "$iso_lable" \
	-o "$iso_destination" \
	-r -J "$iso_extr_dir" \
	--sort-weight 0 / --sort-weight 2 /boot --sort-weight 1 /isolinux

	echo "done"
}

#iso_create_desinfect2015 [chroot_path] [iso_extr_dir] [iso_destination] [iso_lable]
function iso_create_desinfect2015() {
	echo "prepere iso folder ... "

	chroot_path="$1"
	iso_extr_dir="$2"
	iso_destination="$3"
	iso_lable="$4"

	#desinfect
	rm "$iso_extr_dir/casper/initrd.lz"
	wget http://www.heise.de/ct/projekte/desinfect/des15/initrd.lz -O "$iso_extr_dir/casper/initrd.lz"

	echo "done"

	iso_create  "$chroot_path" "$iso_extr_dir" "$iso_destination" "$iso_lable"
}

#iso_create_desinfect2016 [chroot_path] [iso_extr_dir] [iso_destination] [iso_lable]
function iso_create_desinfect2016() {
	#echo "prepere iso folder ... "

	chroot_path="$1"
	iso_extr_dir="$2"
	iso_destination="$3"
	iso_lable="$4"

	#desinfect
	#rm "$iso_extr_dir/casper/initrd.lz"
	#wget http://www.heise.de/ct/projekte/desinfect/des15/initrd.lz -O "$iso_extr_dir/casper/initrd.lz"

	#echo "done"

	iso_create  "$chroot_path" "$iso_extr_dir" "$iso_destination" "$iso_lable"
}

#iso_create_desinfect2017 [chroot_path] [iso_extr_dir] [iso_destination] [iso_lable]
function iso_create_desinfect2017() {
	#echo "prepere iso folder ... "

	chroot_path="$1"
	iso_extr_dir="$2"
	iso_destination="$3"
	iso_lable="$4"

	iso_create  "$chroot_path" "$iso_extr_dir" "$iso_destination" "$iso_lable"
}

### chroot ###

#chroot_initial [chroot_dir]
function chroot_initial() {
	echo -n "initial chroot ... "

	#$1 = chroot_dir

	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_initial: chroot directory not exist!"
		return 12
	}

	#mount virus definitions
	mount -t tmpfs tmpfs "$chroot_dir/tmp"
	mount -t tmpfs tmpfs "$chroot_dir/root"
	mount --bind /dev "$chroot_dir/dev"
	mount --bind /proc "$chroot_dir/proc"

	rm "$chroot_dir/etc/resolv.conf"
	cp "/etc/resolv.conf" "$chroot_dir/etc/resolv.conf"

	echo "done"
}

#chroot_initial_desinfect2015 [chroot_dir]
function chroot_initial_desinfect2015() {
	#$1 = chroot dir

	chroot_initial "$1"

	echo -n "initial desinfect on chroot ... "

	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_initial_desinfect: chroot directory not exist!"
		return 12
	}

	#mount virus definitions
	mount --bind $chroot_dir/opt/BitDefender-scanner/var/lib/scan{.orig,}
	mount --bind $chroot_dir/var/kl/bases_rd{.orig,}

	echo "done"
}

#chroot_initial_desinfect2016 [chroot_dir]
function chroot_initial_desinfect2016() {
	#$1 = chroot dir

	chroot_initial "$1"

	echo -n "initial desinfect on chroot ... "

	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_initial_desinfect: chroot directory not exist!"
		return 12
	}

	#mount virus definitions
	mount --bind $chroot_dir/var/kl/bases_rd{.orig,}

	echo "done"
}

#chroot_initial_desinfect2017 [chroot_dir]
function chroot_initial_desinfect2017() {
	#$1 = chroot dir

	chroot_initial "$1"

}


#chroot_clean [chroot_dir]
function chroot_clean() {
	echo "clean chroot ... "

	chroot_dir="$1"

	chroot "$chroot_dir" /bin/bash -c "apt-get clean"
	chroot "$chroot_dir" /bin/bash -c "rm -r /var/cache/apt/*"
	chroot "$chroot_dir" /bin/bash -c "apt-get update"
	chroot "$chroot_dir" /bin/bash -c "apt-get check"

	echo "done"
}

#chroot_umount [chroot_dir]
function chroot_umount() {
	echo -n "unmount chroot ... "

	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_umount: chroot directory not exist!"
		return 12
	}

	for d in "$chroot_dir/tmp" "$chroot_dir/root" "$chroot_dir/proc" "$chroot_dir/dev" ; do
   		umount $d
   		retval=$?
   		[ "$retval" -gt 0 ] && {
      		echo "### ERROR ### chroot_umount: can't umount \"$d\"!"
      		return 21
   		}
	done

	echo "done"
}

#chroot_umount_desinfect2015 [chroot_dir]
function chroot_umount_desinfect2015() {
	#call main mount
	chroot_umount "$1"

	echo -n "unmount desinfect on chroot ... "
	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_umount_desinfect: chroot directory not exist!"
		return 12
	}

	for d in "$chroot_dir/opt/BitDefender-scanner/var/lib/scan" "$chroot_dir/var/kl/bases_rd" ; do
   		umount $d
   		retval=$?
   		[ "$retval" -gt 0 ] && {
      		echo "### ERROR ### chroot_umount_desinfect: can't umount \"$d\"!"
      		return 21
      	}
	done

	echo "done"
}

#chroot_umount_desinfect2016 [chroot_dir]
function chroot_umount_desinfect2016() {
	#call main mount
	chroot_umount "$1"

	echo -n "unmount desinfect on chroot ... "
	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_umount_desinfect: chroot directory not exist!"
		return 12
	}

	umount "$chroot_dir/var/kl/bases_rd"
   	[ "$?" -gt 0 ] && {
      	echo "### ERROR ### chroot_umount_desinfect: can't umount \"$chroot_dir/var/kl/bases_rd\"!"
      	#return 21
    }

	echo "done"
}

#chroot_umount_desinfect2017 [chroot_dir]
function chroot_umount_desinfect2017() {
	#call main mount
	chroot_umount "$1"
}

#chroot_is_mounted [chroot_dir]
#(Boolean)-> true | false
function chroot_is_mounted() {
	#$1 = chroot directory

	if [ "`mount | grep "$1"`" != "" ] ; then
		#ther is smething mounted
		echo "true"
	else
		#nothing mounted
		echo "false"
	fi
}

#chroot_sh [chroot_dir] [command]
function chroot_sh() {
	#check chroot dir
	chroot_dir="$1"
	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_umount: chroot directory not exist!"
		return 12
	}

	command="$2"

	[ -f "$chroot_dir/tmp/env.sh" ] || {
		#if not exist create environment skript
		cat "$chroot_dir/etc/environment" | grep -v "#" | grep "=" > "$chroot_dir/tmp/env"
		while read line; do echo export $line; done < "$chroot_dir/tmp/env" > "$chroot_dir/tmp/env.sh"
		chmod +x "$chroot_dir/tmp/env.sh" && rm "$chroot_dir/tmp/env"
	}

	chroot "$chroot_dir" /bin/bash --login -c ". /tmp/env.sh; $command"
}

### Settings ###
### proxy

#proxy_enable [chroot_dir] [proxy_host] [proxy_port]
function proxy_enable() {
	echo -n "enable proxy ... "

	chroot_dir="$1"
	proxy_host="$2"
	proxy_port="$3"

	[ -d "$chroot_dir" ] || {
		echo "### ERROR ### chroot_umount_desinfect: chroot directory not exist!"
		return 12
	}

	#Wenn alle zwei Parameter gegeben
	if [ "$proxy_host" != "" ] && [ "$proxy_port" != "" ] ; then
		echo "http_proxy=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment
		echo "https_proxy=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment
		echo "ftp_proxy=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment

		echo "HTTP_PROXY=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment
		echo "HTTPS_PROXY=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment
		echo "FTP_PROXY=\"http://$proxy_host:$proxy_port\"" >> $chroot_dir/etc/environment

		echo "Acquire::http::Proxy  \"http://$proxy_host:$proxy_port\"\;" > $chroot_dir/etc/apt/apt.conf.d/90proxy
		echo "Acquire::ftp::Proxy \"ftp://$proxy_host:$proxy_port\"\;" >> $chroot_dir/etc/apt/apt.conf.d/90proxy

		echo "done"
	else
		if [ "$proxy_host" == "" ] && [ "$proxy_port" == "" ] ; then
			echo "done"
		else
			echo "### ERROR ### proxy_enable: wrong parameters! (\"$chroot_dir\"; \"$proxy_host\"; \"$proxy_port\")"
			echo "proxy_enable [chroot_dir] [proxy_host] [proxy_port]"
			return 2
		fi
	fi
}

#proxy_enable_desinfect2015 [chroot_dir] [proxy_host] [proxy_port]
function proxy_enable_desinfect2015() {

	proxy_enable $1 $2 $3

	echo -n "enable proxy for desinfect's av ... "

	chroot_dir="$1"
	proxy_host="$2"
	proxy_port="$3"

	#Avast AntiVirus
	sed -i "s/--skip-master-file/--skip-master-file --proxy-host=$proxy_host --proxy-port=$proxy_port/g" "$chroot_dir/AntiVirUpdate/avupdate"
	sed -i "s/--proxy-host=$proxy_host --proxy-port=$proxy_port --proxy-host=$proxy_host --proxy-port=$proxy_port/--proxy-host=$proxy_host --proxy-port=$proxy_port/g" "$chroot_dir/AntiVirUpdate/avupdate"

	#BitDefender
	echo "ProxyEnable = Yes" >> "$chroot_dir/etc/BitDefender-scanner/bdscan.conf"
	echo "ProxyHost = $proxy_host:$proxy_port" >> "$chroot_dir/etc/BitDefender-scanner/bdscan.conf"

	#Clam AV
	echo "HTTPProxyServer $proxy_host" >> "$chroot_dir/etc/clamav/freshclam.conf"
	echo "HTTPProxyPort $proxy_port" >> "$chroot_dir/etc/clamav/freshclam.conf"

	#Kaspersky
	sed -i "s/<tDWORD name=\"UseProxy\">0<\/tDWORD>/<tDWORD name=\"UseProxy\">1<\/tDWORD>/g" "$chroot_dir/etc/kl/config.xml"
	sed -i "s/<tSTRING name=\"ProxyHost\"><\/tSTRING>/<tSTRING name=\"ProxyHost\">$proxy_host<\/tSTRING>/g" "$chroot_dir/etc/kl/config.xml"
	sed -i "s/<tDWORD name=\"ProxyPort\"><\/tDWORD>/<tDWORD name=\"ProxyPort\">$proxy_port<\/tDWORD>/g" "$chroot_dir/etc/kl/config.xml"