#!/bin/bash
# info: delete system sftp jail
# options: NONE
#
# The script disables sftp jailed environment


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Importing system environment  as we run this script
# mostly by cron which do not read it by itself
source /etc/profile

# Includes
source $HESTIA/func/main.sh
source $HESTIA/conf/hestia.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Checking sshd directives
config='/etc/ssh/sshd_config'
sftp_n=$(grep -n "Subsystem.*sftp" $config |grep -v internal |grep ":#")
sftp_i=$(grep -n "^# Hestia SFTP Chroot" $config)

# Backing up config
cp $config $config.bak-$(date +%s)

# Enabling normal sftp
if [ ! -z "$sftp_n" ]; then
    fline=$(echo $sftp_n |cut -f 1 -d :)
    sed -i "${fline}s/#Subsystem/Subsystem sftp/" $config
    restart='yes'
fi

# Disabling jailed sftp
if [ ! -z "$sftp_i" ]; then
    fline=$(echo $sftp_i |cut -f 1 -d :)
    lline=$((fline + 5))
    sed -i "${fline},${lline}d" $config
    restart='yes'
fi

# Validating opensshd config
if [ "$restart" = 'yes' ]; then
    subj="OpenSSH restart failed"
    email=$(grep CONTACT $HESTIA/data/users/admin/user.conf |cut -f 2 -d \')
    /usr/sbin/sshd -t >/dev/null 2>&1
    if [ "$?" -ne 0 ]; then
        mail_text="OpenSSH can not be restarted. Please check config:
            \n\n$(/usr/sbin/sshd -t)"
        echo -e "$mail_text" |$SENDMAIL -s "$subj" $email
    else
        service ssh restart >/dev/null 2>&1
        service sshd restart >/dev/null 2>&1
    fi
fi

# Remove v-add-sys-sftp-jail to startup
if [ ! -e "/etc/cron.d/hestia-sftp" ]; then
    rm -f /etc/cron.d/hestia-sftp
fi


#----------------------------------------------------------#
#                       Hestia                             #
#----------------------------------------------------------#

# Restart ssh service
service ssh restart > /dev/null 2>&1
service sshd restart > /dev/null 2>&1

# Logging
log_event "$OK" "$ARGUMENTS"

exit
