#!/bin/bash
# info: delete system sftp jail
# options: NONE
#
# example: v-delete-sys-sftp-jail
#
# This function disables sftp jailed environment

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

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

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

#----------------------------------------------------------#
#                       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)

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

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

# Disabling jailed sftp
if [ -n "$sftp_i" ]; then
	fline=$(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
$BIN/v-log-action "system" "Warning" "Plugins" "SFTP Chroot Jail disabled."
log_event "$OK" "$ARGUMENTS"

exit