Refactoring
This commit is contained in:
parent
ea869a9c8e
commit
2f289a4bcd
485
bkctld
485
bkctld
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@ -1,7 +1,7 @@
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#!/bin/bash
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#
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# bkctld is a shell script to create and manage a backup server which will
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# handle the backup of many servers (clients).
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## bkctld is a shell script to create and manage a backup server which will
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## handle the backup of many servers (clients).
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usage(){
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echo "Usage: $0 <subcommand> [options]"
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@ -22,9 +22,187 @@ usage(){
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echo " rm Remove old incremtal inc of all jails"
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echo ""
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}
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## check functions
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check_jail() {
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jail=$1
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if [ -d ${JAILDIR}/${jail} ]; then
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exit 0
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else
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exit 1
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fi
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}
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check_jail_on() {
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jail=$1
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if [ -f ${JAILDIR}/${jail}/${SSHD_PID} ]; then
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pid=$(cat ${JAILDIR}/${jail}/${SSHD_PID})
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ps -p $pid > /dev/null
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if [ $? == 0 ]; then
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exit 0
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else
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rm ${JAILDIR}/${jail}/${SSHD_PID}
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umount -R ${JAILDIR}/${jail}/dev
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umount ${JAILDIR}/${jail}/proc/
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exit 1
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fi
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else
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exit 1
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fi
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echo $status
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}
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check_inc() {
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jail=$1
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inc="0"
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if [ -f ${CONFDIR}/${jail} ]; then
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day=$(grep -c "day" ${CONFDIR}/${jail})
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month=$(grep -c "month" ${CONFDIR}/${jail})
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inc="${day}/${month}"
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fi
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echo $inc
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}
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check_btrfs() {
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grep $(dirname $JAILDIR) /etc/fstab|grep -q btrfs
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if [[ $? -eq 0 ]]; then
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exit 0
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fi
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grep $JAILDIR /etc/fstab|grep -q btrfs
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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grep $INCDIR /etc/fstab|grep -q btrfs
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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exit 0
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}
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## get functions : get info on jail
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get_port() {
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jail=$1
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port=$(grep -E "Port [0-9]+" ${JAILDIR}/${jail}/${SSHD_CONFIG}|grep -oE "[0-9]+")
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echo $port
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}
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get_key() {
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jail=$1
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if [ -f ${JAILDIR}/${jail}/${AUTHORIZED_KEYS} ]; then
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cat ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
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fi
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}
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get_ip() {
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jail=$1
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for allow in $(grep -E "^AllowUsers" ${JAILDIR}/$jail/${SSHD_CONFIG}|grep -Eo "root@[^ ]+"); do
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echo $allow|cut -d'@' -f2
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done
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}
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## set functions : set info on jail
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set_port() {
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jail=$1
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port=$2
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if [ "$port" = "auto" ]; then
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port=$(grep -h Port ${JAILDIR}/*/${SSHD_CONFIG} 2>/dev/null | grep -Eo [0-9]+ | sort -n | tail -1)
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port=$((port+1))
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if [ ! $port -gt 1 ]; then
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port=2222
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fi
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fi
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sed -i "s/^Port .*/Port ${port}/" ${JAILDIR}/$jail/${SSHD_CONFIG}
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set_firewall $jail
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}
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set_key() {
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jail=$1
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keyfile=$2
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if [ -f $keyfile ]; then
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cat $keyfile > ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
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chmod 600 ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
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else
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echo "Keyfile $keyfile dosen't exist !" >&2
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exit 1
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fi
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}
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set_ip() {
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jail=$1
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ip=$2
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if [[ $ip = "all" || $ip = "0.0.0.0/0" ]]; then
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ips="0.0.0.0/0"
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else
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ips=$(get_ip $jail)
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ips=$(echo $ips $ip|xargs -n1|grep -v "0.0.0.0/0"|sort|uniq)
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fi
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allow="AllowUsers"
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for ip in $ips; do
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allow="$allow root@${ip}"
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done
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sed -i "s~^AllowUsers .*~${allow}~" ${JAILDIR}/$jail/${SSHD_CONFIG}
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set_firewall $jail
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}
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set_firewall() {
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jail=$1
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if [ -f $FIREWALL_RULES ]; then
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sed -i "/#${jail}$/d" $FIREWALL_RULES
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fi
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port=$(get_port $jail)
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for ip in $(get_ip $jail); do
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echo "/sbin/iptables -A INPUT -p tcp --sport 1024: --dport $port -s $ip -j ACCEPT #$jail" >> $FIREWALL_RULES
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done
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}
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## mk_jail function : create or update a jail
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mk_jail() {
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jail=$1
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umask 022
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echo -n "1 - Creating the chroot..."
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mkdir -p ${JAILDIR}/${jail}/{bin,dev,etc/ssh,lib,lib64,proc}
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mkdir -p ${JAILDIR}/${jail}/lib/{x86_64-linux-gnu,tls/i686/cmov,i686/cmov}
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mkdir -p ${JAILDIR}/${jail}/usr/{bin,lib,sbin}
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mkdir -p ${JAILDIR}/${jail}/usr/lib/{x86_64-linux-gnu,openssh,i686/cmov}
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mkdir -p ${JAILDIR}/${jail}/root/.ssh && chmod 700 ${JAILDIR}/${jail}/root/.ssh
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mkdir -p ${JAILDIR}/${jail}/var/{log,run/sshd}
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touch ${JAILDIR}/${jail}/var/log/{authlog,lastlog,messages,syslog}
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touch ${JAILDIR}/${jail}/etc/fstab
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echo "...OK"
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echo -n "2 - Copying essential files..."
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cp /proc/devices ${JAILDIR}/${jail}/proc
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cp /etc/ssh/{ssh_host_rsa_key,ssh_host_dsa_key} ${JAILDIR}/${jail}/etc/ssh/
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cp ${TPLDIR}/{passwd,shadow,group} ${JAILDIR}/${jail}/etc/
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echo "...OK"
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echo -n "3 - Copying binaries..."
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cp -f /lib/ld-linux.so.2 ${JAILDIR}/${jail}/lib/ 2>/dev/null || cp -f /lib64/ld-linux-x86-64.so.2 ${JAILDIR}/${jail}/lib64/
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cp /lib/x86_64-linux-gnu/libnss* ${JAILDIR}/${jail}/lib/x86_64-linux-gnu/
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for dbin in /bin/bash /bin/cat /bin/chown /bin/mknod /bin/rm /bin/ls /bin/sed /bin/sh /bin/uname /bin/mount /usr/bin/rsync /usr/sbin/sshd /usr/lib/openssh/sftp-server; do
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cp -f $dbin ${JAILDIR}/${jail}/$dbin;
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for lib in $(ldd $dbin | grep -Eo "/.*so.[0-9\.]+"); do
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cp -p $lib ${JAILDIR}/${jail}/$lib
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done
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done
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echo "...OK"
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}
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## sub functions : functions call by subcommand
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sub_init() {
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jail=$1
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if ( check_jail $jail ); then
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echo "Jail $jail already exist ! Use '$0 update $jail' for update it" >&2
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exit 1
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fi
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if ( check_btrfs); then
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btrfs subvolume create ${JAILDIR}/${jail}
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else
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@ -44,21 +222,31 @@ sub_init() {
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sub_update() {
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jail=$1
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist ! Use '$0 init $jail' for create it !" >&2
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exit 1
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fi
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status=$(check_jail_on $jail)
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if ( $status ); then
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$0 stop $jail
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log stop $jail
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fi
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mk_jail $jail
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if ( $status ); then
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$0 start $jail
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fi
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log start $jail
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fi
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}
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sub_remove() {
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jail=$1
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if ( check_jail_on $jail ); then
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$0 stop $jail
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fi
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist !" >&2
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exit 1
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fi
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if ( check_jail_on $jail ); then
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log stop $jail
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fi
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if ( check_btrfs ); then
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btrfs subvolume delete ${JAILDIR}/${jail}
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rm -f ${CONFDIR}/${jail}
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@ -75,10 +263,15 @@ sub_remove() {
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sub_start() {
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jail=$1
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if ( $(check_jail_on $jail) ); then
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist ! Create it with '$0 init $jail'" >&2
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exit 1
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fi
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if ( check_jail_on $jail ); then
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echo "Jail $jail already running !" >&2
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exit 1
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fi
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mount -t proc proc-${jail} ${JAILDIR}/${jail}/proc/
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mount -nt tmpfs dev-${jail} ${JAILDIR}/${jail}/dev
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mknod -m 622 ${JAILDIR}/${jail}/dev/console c 5 1
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@ -104,37 +297,47 @@ sub_start() {
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sub_stop() {
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jail=$1
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if ( ! $(check_jail_on $jail) ); then
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echo "Jail $jail is not running !" >&2
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist !" >&2
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exit 1
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fi
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if ! ( check_jail_on $jail ); then
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echo "Jail $jail doesnt't run !" >&2
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exit 1
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fi
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pid=$(cat ${JAILDIR}/${jail}/${SSHD_PID})
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for conn in $(ps --ppid $pid -o pid=); do
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kill $conn
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done
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kill $pid
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umount -R ${JAILDIR}/${jail}/dev
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umount ${JAILDIR}/${jail}/proc/
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umount ${JAILDIR}/${jail}/proc/
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echo "Jail $jail was stopped"
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}
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sub_reload() {
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jail=$1
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if [ $(check_jail_on $jail) ]; then
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pkill -HUP -F ${JAILDIR}/${jail}/${SSHD_PID}
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist !" >&2
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exit 1
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fi
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if ! ( check_jail_on $jail ); then
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echo "Jail $jail doesnt't run !" >&2
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exit 1
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fi
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echo "Jail $jail was reloaded"
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}
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sub_restart() {
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set -e
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jail=$1
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$0 stop $jail
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$0 start $jail
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pkill -HUP -F ${JAILDIR}/${jail}/${SSHD_PID}
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echo "Jail $jail was reloaded"
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}
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sub_status() {
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jail=$1
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist ! Use '$0 status' for list all" >&2
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exit 1
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fi
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inc=$(check_inc $jail)
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if ($(check_jail_on $jail)); then
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status="ON "
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@ -146,7 +349,29 @@ sub_status() {
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echo "$jail $status $port $inc $ip"
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}
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sub_params() {
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jail=$1
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params=$2
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option=$3
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist ! Create it with '$0 init $jail'" >&2
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exit 1
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fi
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if [ -z "${option}" ]; then
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get_${params} $jail
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else
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set_${params} $jail $option
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fi
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}
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sub_sync() {
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jail=$1
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if ! ( check_jail $jail ); then
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echo "Jail $jail doesn't exist !" >&2
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exit 1
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fi
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if [ -z $NODE ]; then
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echo "You must define \$NODE in /etc/default/evobackup !" >&2
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exit 1
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@ -221,168 +446,7 @@ sub_rm() {
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rmdir $empty
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}
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mk_jail() {
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jail=$1
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umask 022
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echo -n "1 - Creating the chroot..."
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mkdir -p ${JAILDIR}/${jail}/{bin,dev,etc/ssh,lib,lib64,proc}
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mkdir -p ${JAILDIR}/${jail}/lib/{x86_64-linux-gnu,tls/i686/cmov,i686/cmov}
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mkdir -p ${JAILDIR}/${jail}/usr/{bin,lib,sbin}
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mkdir -p ${JAILDIR}/${jail}/usr/lib/{x86_64-linux-gnu,openssh,i686/cmov}
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mkdir -p ${JAILDIR}/${jail}/root/.ssh && chmod 700 ${JAILDIR}/${jail}/root/.ssh
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mkdir -p ${JAILDIR}/${jail}/var/{log,run/sshd}
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touch ${JAILDIR}/${jail}/var/log/{authlog,lastlog,messages,syslog}
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touch ${JAILDIR}/${jail}/etc/fstab
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echo "...OK"
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echo -n "2 - Copying essential files..."
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cp /proc/devices ${JAILDIR}/${jail}/proc
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cp /etc/ssh/{ssh_host_rsa_key,ssh_host_dsa_key} ${JAILDIR}/${jail}/etc/ssh/
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cp ${TPLDIR}/{passwd,shadow,group} ${JAILDIR}/${jail}/etc/
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echo "...OK"
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echo -n "3 - Copying binaries..."
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cp -f /lib/ld-linux.so.2 ${JAILDIR}/${jail}/lib/ 2>/dev/null || cp -f /lib64/ld-linux-x86-64.so.2 ${JAILDIR}/${jail}/lib64/
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cp /lib/x86_64-linux-gnu/libnss* ${JAILDIR}/${jail}/lib/x86_64-linux-gnu/
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for dbin in /bin/bash /bin/cat /bin/chown /bin/mknod /bin/rm /bin/ls /bin/sed /bin/sh /bin/uname /bin/mount /usr/bin/rsync /usr/sbin/sshd /usr/lib/openssh/sftp-server; do
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cp -f $dbin ${JAILDIR}/${jail}/$dbin;
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for lib in $(ldd $dbin | grep -Eo "/.*so.[0-9\.]+"); do
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cp -p $lib ${JAILDIR}/${jail}/$lib
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done
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done
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echo "...OK"
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}
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check_jail() {
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jail=$1
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if [ -d ${JAILDIR}/${jail} ]; then
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exit 0
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else
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exit 1
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fi
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}
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check_jail_on() {
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jail=$1
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if [ -f ${JAILDIR}/${jail}/${SSHD_PID} ]; then
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pid=$(cat ${JAILDIR}/${jail}/${SSHD_PID})
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ps -p $pid > /dev/null
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if [ $? == 0 ]; then
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exit 0
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else
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rm ${JAILDIR}/${jail}/${SSHD_PID}
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umount -R ${JAILDIR}/${jail}/dev
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umount ${JAILDIR}/${jail}/proc/
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exit 1
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fi
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else
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exit 1
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fi
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echo $status
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}
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check_inc() {
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jail=$1
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inc="0"
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if [ -f ${CONFDIR}/${jail} ]; then
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day=$(grep -c "day" ${CONFDIR}/${jail})
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month=$(grep -c "month" ${CONFDIR}/${jail})
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inc="${day}/${month}"
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fi
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echo $inc
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}
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check_btrfs() {
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grep $(dirname $JAILDIR) /etc/fstab|grep -q btrfs
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if [[ $? -eq 0 ]]; then
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exit 0
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fi
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grep $JAILDIR /etc/fstab|grep -q btrfs
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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grep $INCDIR /etc/fstab|grep -q btrfs
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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exit 0
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}
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get_port() {
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jail=$1
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port=$(grep -E "Port [0-9]+" ${JAILDIR}/${jail}/${SSHD_CONFIG}|grep -oE "[0-9]+")
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echo $port
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}
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set_port() {
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jail=$1
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port=$2
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if [ "$port" = "auto" ]; then
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port=$(grep -h Port ${JAILDIR}/*/${SSHD_CONFIG} 2>/dev/null | grep -Eo [0-9]+ | sort -n | tail -1)
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port=$((port+1))
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if [ ! $port -gt 1 ]; then
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port=2222
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fi
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fi
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sed -i "s/^Port .*/Port ${port}/" ${JAILDIR}/$jail/${SSHD_CONFIG}
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set_firewall $jail
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}
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get_key() {
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jail=$1
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if [ -f ${JAILDIR}/${jail}/${AUTHORIZED_KEYS} ]; then
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cat ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
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fi
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}
|
||||
|
||||
set_key() {
|
||||
jail=$1
|
||||
keyfile=$2
|
||||
if [ -f $keyfile ]; then
|
||||
cat $keyfile > ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
|
||||
chmod 600 ${JAILDIR}/${jail}/${AUTHORIZED_KEYS}
|
||||
else
|
||||
echo "Keyfile $keyfile dosen't exist !" >&2
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
get_ip() {
|
||||
jail=$1
|
||||
for allow in $(grep -E "^AllowUsers" ${JAILDIR}/$jail/${SSHD_CONFIG}|grep -Eo "root@[^ ]+"); do
|
||||
echo $allow|cut -d'@' -f2
|
||||
done
|
||||
}
|
||||
|
||||
set_ip() {
|
||||
jail=$1
|
||||
ip=$2
|
||||
if [[ $ip = "all" || $ip = "0.0.0.0/0" ]]; then
|
||||
ips="0.0.0.0/0"
|
||||
else
|
||||
ips=$(get_ip $jail)
|
||||
ips=$(echo $ips $ip|xargs -n1|grep -v "0.0.0.0/0"|sort|uniq)
|
||||
fi
|
||||
allow="AllowUsers"
|
||||
for ip in $ips; do
|
||||
allow="$allow root@${ip}"
|
||||
done
|
||||
sed -i "s~^AllowUsers .*~${allow}~" ${JAILDIR}/$jail/${SSHD_CONFIG}
|
||||
set_firewall $jail
|
||||
}
|
||||
|
||||
set_firewall() {
|
||||
jail=$1
|
||||
if [ -f $FIREWALL_RULES ]; then
|
||||
sed -i "/#${jail}$/d" $FIREWALL_RULES
|
||||
fi
|
||||
port=$(get_port $jail)
|
||||
for ip in $(get_ip $jail); do
|
||||
echo "/sbin/iptables -A INPUT -p tcp --sport 1024: --dport $port -s $ip -j ACCEPT #$jail" >> $FIREWALL_RULES
|
||||
done
|
||||
}
|
||||
## log function
|
||||
|
||||
log() {
|
||||
subcommand=$1
|
||||
|
|
@ -396,6 +460,8 @@ log() {
|
|||
fi
|
||||
}
|
||||
|
||||
## main function : check usage and valid params
|
||||
|
||||
main() {
|
||||
if [ $(id -u) != 0 ]; then
|
||||
echo "Error, you need to be root to run $0 !" >&2
|
||||
|
|
@ -416,53 +482,68 @@ main() {
|
|||
usage
|
||||
;;
|
||||
"inc" | "rm")
|
||||
log ${subcommand}
|
||||
log $subcommand
|
||||
;;
|
||||
"init")
|
||||
if [[ -n "${jail}" ]]; then
|
||||
if ( ! $(check_jail $jail) ); then
|
||||
log ${subcommand} $jail
|
||||
fi
|
||||
log $subcommand $jail
|
||||
else
|
||||
usage
|
||||
fi
|
||||
;;
|
||||
"key" | "port" | "ip")
|
||||
if [[ -n "${jail}" ]]; then
|
||||
if ( $(check_jail $jail) ); then
|
||||
if [ -z "${option}" ]; then
|
||||
get_${subcommand} $jail
|
||||
else
|
||||
set_${subcommand} $jail $option
|
||||
fi
|
||||
fi
|
||||
log params $jail $subcommand $option
|
||||
else
|
||||
usage
|
||||
fi
|
||||
;;
|
||||
"start" | "stop" | "reload" | "restart" | "sync" | "update" | "remove")
|
||||
if [[ -n "${jail}" ]]; then
|
||||
if [[ "${jail}" = "all" ]]; then
|
||||
for jail in $(ls $JAILDIR); do
|
||||
$0 ${subcommand} $jail
|
||||
case $subcommand in
|
||||
"start")
|
||||
if ! ( check_jail_on $jail ); then
|
||||
log $subcommand $jail
|
||||
fi
|
||||
;;
|
||||
"stop" | "reload")
|
||||
if ( check_jail_on $jail ); then
|
||||
log $subcommand $jail
|
||||
fi
|
||||
;;
|
||||
*)
|
||||
log $subcommand $jail
|
||||
;;
|
||||
esac
|
||||
done
|
||||
else
|
||||
if ( $(check_jail $jail) ); then
|
||||
log ${subcommand} $jail
|
||||
if [ "${subcommand}" != "restart" ]; then
|
||||
log $subcommand $jail
|
||||
else
|
||||
if ( check_jail_on $jail ); then
|
||||
log stop $jail
|
||||
fi
|
||||
log start $jail
|
||||
fi
|
||||
fi
|
||||
else
|
||||
usage
|
||||
fi
|
||||
;;
|
||||
"status")
|
||||
if [[ -z "${jail}" ]]; then
|
||||
for jail in $(ls $JAILDIR); do
|
||||
$0 ${subcommand} $jail
|
||||
sub_$subcommand $jail
|
||||
done
|
||||
else
|
||||
if ( $(check_jail $jail) ); then
|
||||
sub_${subcommand} $jail
|
||||
fi
|
||||
sub_$subcommand $jail
|
||||
fi
|
||||
;;
|
||||
*)
|
||||
shift
|
||||
echo "Error: '$subcommand' is not a known subcommand." >&2
|
||||
echo "Error: '${subcommand}' is not a known subcommand." >&2
|
||||
usage
|
||||
exit 1
|
||||
;;
|
||||
|
|
|
|||
Loading…
Reference in a new issue