zapret/uninstall_easy.sh

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#!/bin/sh
# automated script for easy uninstalling zapret on systemd based system
[ $(id -u) -ne "0" ] && {
echo root is required
which sudo >/dev/null && exec sudo $0
which su >/dev/null && exec su -c $0
echo su or sudo not found
exit 2
}
SCRIPT=$(readlink -f $0)
EXEDIR=$(dirname $SCRIPT)
LSB_INSTALL=/usr/lib/lsb/install_initd
LSB_REMOVE=/usr/lib/lsb/remove_initd
INIT_SCRIPT_SRC=$EXEDIR/init.d/debian/zapret
INIT_SCRIPT=/etc/init.d/zapret
GET_IPLIST_PREFIX=$EXEDIR/ipset/get_
echo \* checking system ...
SYSTEMCTL=$(which systemctl)
[ ! -x "$SYSTEMCTL" ] && {
echo not systemd based system
exit 5
}
echo \* stopping service and unregistering init script with LSB ...
"$SYSTEMCTL" stop zapret
[ -f "$INIT_SCRIPT" ] && "$LSB_REMOVE" $INIT_SCRIPT
echo \* removing init script ...
script_mode=Y
[ -f "$INIT_SCRIPT" ] &&
{
cmp -s $INIT_SCRIPT $INIT_SCRIPT_SRC ||
{
echo $INIT_SCRIPT already exists and differs from $INIT_SCRIPT_SRC
echo Y = remove it
echo L = leave it
read script_mode
}
if [ "$script_mode" = "Y" ] || [ "$script_mode" = "y" ]; then
rm -vf $INIT_SCRIPT
fi
}
echo \* removing crontab entry ...
CRONTMP=/tmp/cron.tmp
crontab -l >$CRONTMP
if grep -q "$GET_IPLIST_PREFIX" $CRONTMP; then
echo removing following entries from crontab :
grep "$GET_IPLIST_PREFIX" $CRONTMP
grep -v "$GET_IPLIST_PREFIX" $CRONTMP >$CRONTMP.2
crontab $CRONTMP.2
rm -f $CRONTMP.2
fi
rm -f $CRONTMP
exit 0