history purge

uninstall_easy.sh

@@ -0,0 +1,259 @@
+#!/bin/sh
+
+# automated script for easy uninstalling zapret
+
+EXEDIR="$(dirname "$0")"
+EXEDIR="$(cd "$EXEDIR"; pwd)"
+IPSET_DIR="$EXEDIR/ipset"
+
+GET_LIST_PREFIX=/ipset/get_
+SYSTEMD_SYSTEM_DIR=/lib/systemd/system
+[ -d "$SYSTEMD_SYSTEM_DIR" ] || SYSTEMD_SYSTEM_DIR=/usr/lib/systemd/system
+
+exists()
+{
+	which $1 >/dev/null 2>/dev/null
+}
+whichq()
+{
+	which $1 2>/dev/null
+}
+
+exitp()
+{
+	echo
+	echo press enter to continue
+	read A
+	exit $1
+}
+
+require_root()
+{
+	[ $(id -u) -ne "0" ] && {
+		echo root is required
+		exists sudo && exec sudo "$0"
+		exists su && exec su -c "$0"
+		echo su or sudo not found
+		exitp 2
+	}
+}
+
+
+check_system()
+{
+	echo \* checking system
+
+	SYSTEM=""
+	SYSTEMCTL=$(whichq systemctl)
+
+	local UNAME=$(uname)
+	if [ "$UNAME" = "Linux" ]; then
+		if [ -x "$SYSTEMCTL" ] ; then
+			SYSTEM=systemd
+		elif [ -f "/etc/openwrt_release" ] && exists opkg && exists uci ; then
+			SYSTEM=openwrt
+		else
+			echo system is not either systemd based or openwrt. check readme.txt for manual setup info.
+			exitp 5
+		fi
+	elif [ "$UNAME" = "Darwin" ]; then
+		SYSTEM=macos
+	else
+		echo easy installer only supports Linux and MacOS. check readme.txt for supported systems and manual setup info.
+		exitp 5
+	fi
+	echo system is based on $SYSTEM
+}
+
+
+crontab_del()
+{
+	exists crontab || return
+
+	echo \* removing crontab entry
+
+	CRONTMP=/tmp/cron.tmp
+	crontab -l >$CRONTMP 2>/dev/null
+	if grep -q "$GET_LIST_PREFIX" $CRONTMP; then
+		echo removing following entries from crontab :
+		grep "$GET_LIST_PREFIX" $CRONTMP
+		grep -v "$GET_LIST_PREFIX" $CRONTMP >$CRONTMP.2
+		crontab $CRONTMP.2
+		rm -f $CRONTMP.2
+	fi
+	rm -f $CRONTMP
+}
+
+
+service_stop_systemd()
+{
+	echo \* stopping zapret service
+
+	"$SYSTEMCTL" daemon-reload
+	"$SYSTEMCTL" disable zapret
+	"$SYSTEMCTL" stop zapret
+}
+
+service_remove_systemd()
+{
+	echo \* removing zapret service
+
+	rm -f "$SYSTEMD_SYSTEM_DIR/zapret.service"
+	"$SYSTEMCTL" daemon-reload
+}
+
+timer_remove_systemd()
+{
+	echo \* removing zapret-list-update timer
+
+	"$SYSTEMCTL" daemon-reload
+	"$SYSTEMCTL" disable zapret-list-update.timer
+	"$SYSTEMCTL" stop zapret-list-update.timer
+	rm -f "$SYSTEMD_SYSTEM_DIR/zapret-list-update.service" "$SYSTEMD_SYSTEM_DIR/zapret-list-update.timer"
+	"$SYSTEMCTL" daemon-reload
+}
+
+
+
+remove_systemd()
+{
+	INIT_SCRIPT=/etc/init.d/zapret
+	
+	service_stop_systemd
+	service_remove_systemd
+	timer_remove_systemd
+	crontab_del
+}
+
+
+
+
+
+openwrt_fw_section_find()
+{
+	# $1 - fw include postfix
+	# echoes section number
+	
+	i=0
+	while true
+	do
+		path=$(uci -q get firewall.@include[$i].path)
+		[ -n "$path" ] || break
+		[ "$path" = "$OPENWRT_FW_INCLUDE$1" ] && {
+	 		echo $i
+	 		return 0
+		}
+		i=$(($i+1))
+	done
+	return 1
+}
+openwrt_fw_section_del()
+{
+	# $1 - fw include postfix
+
+	local id=$(openwrt_fw_section_find $1)
+	[ -n "$id" ] && {
+		uci delete firewall.@include[$id] && uci commit firewall
+		rm -f "$OPENWRT_FW_INCLUDE$1"
+	}
+}
+
+remove_openwrt_firewall()
+{
+	echo \* removing firewall script
+	
+	openwrt_fw_section_del
+	# from old zapret versions. now we use single include
+	openwrt_fw_section_del 6
+
+	# free some RAM
+	"$IPSET_DIR/create_ipset.sh" clear
+}
+
+restart_openwrt_firewall()
+{
+	echo \* restarting firewall
+
+	fw3 -q restart || {
+		echo could not restart firewall
+		exitp 30
+	}
+}
+
+remove_openwrt_iface_hook()
+{
+	echo \* removing ifup hook
+	
+	rm -f /etc/hotplug.d/iface/??-zapret
+}
+
+
+service_remove_sysv()
+{
+	echo \* removing zapret service
+
+	[ -x "$INIT_SCRIPT" ] && {
+		"$INIT_SCRIPT" disable
+		"$INIT_SCRIPT" stop
+	}
+	rm -f "$INIT_SCRIPT"
+}
+
+remove_openwrt()
+{
+	INIT_SCRIPT=/etc/init.d/zapret
+	OPENWRT_FW_INCLUDE=/etc/firewall.zapret
+
+	remove_openwrt_firewall
+	restart_openwrt_firewall
+	service_remove_sysv
+	remove_openwrt_iface_hook
+	crontab_del
+}
+
+
+service_remove_macos()
+{
+	echo \* removing zapret service
+
+	rm -f /Library/LaunchDaemons/zapret.plist
+	zapret_stop_daemons
+}
+
+remove_macos_firewall()
+{
+	echo \* removing zapret PF hooks
+
+	pf_anchors_clear
+	pf_anchors_del
+	pf_anchor_root_del
+	pf_anchor_root_reload
+}
+
+remove_macos()
+{
+	remove_macos_firewall
+	service_remove_macos
+	crontab_del
+}
+
+
+check_system
+require_root
+
+[ "$SYSTEM" = "macos" ] && . "$EXEDIR/init.d/macos/functions"
+
+case $SYSTEM in
+	systemd)
+		remove_systemd
+		;;
+	openwrt)
+		remove_openwrt
+		;;
+	macos)
+		remove_macos
+		;;
+esac
+
+
+exitp 0