Merge pull request #137 from joglomedia/2.x.x

### Bug fixes
- Error when Installing phpMemcachedAdmin panel #136

### New Features
- Added Pure-FTPD as an alternative FTP server
- cURL'd installation wrapper
  - Installation from cURL as below:
    - Development: `curl -sSL https://get.lemper.cloud | sudo bash -s -- install --development`
    - Production: `curl -sSL https://get.lemper.cloud | sudo bash -s -- install --production`
  - Available parameters:
    - `--with-nginx=<version>`, available version: stable, latest | mainline, version-number (e.g. 1.20)
    - `--with-nginx-installer=<installer>`, available installer: source | repo
    - `--with-nginx-custom-ssl=<custom_ssl-version>`, example: openssl-1.1.1l | boringssl-master | libressl-3.0.0
    - `--with-nginx-lua`, compile Nginx with Lua module
    - `--with-nginx-pagespeed`, compile Nginx with PageSpeed module
    - `--with-nginx-passenger`, compile Nginx with Passenger module (Passenger installation required)
    - `--with-nginx-pcre=<version>`, example: 8.45
    - `--with-nginx-rtmp`, compile Nginx with RTMP module
    - `--with-php=<version>`, available version: 5.6, 7.0 - 7.4, 8.0, 8.1
    - `--with-php-extensions=<ext-name-1 ext-name-2 ext-name-x>`, example: imagick igbinary json
    - `--with-php-loader=<loader_name>`, available loader: ioncube | sourceguardian | all
    - `--with-mysql-server=mysql_server-version>`, example: mariadb-10.6 | mysql-5.7
    - `--with-memcached=<version>`, available version: latest | stable | version-number (e.g. 1.6.10)
    - `--with-memcached-installer=<installer>`, available installer: source | repo
    - `--with-mongodb=<version>`, example: 4.2, 4.3, 4.4, or 5.0
    - `--with-mongodb-admin=<username:password>`, username: admin username, password: admin password
    - `--with-redis=<version>`, available version: latest | stable | version-number (e.g. 6.2.5)
    - `--with-redis-installer=<installer>`, available installer: source | repo
    - `--with-redis-requirepass=<password>`, Redis password
    - `--with-ftp-server=<ftp_server-version>`,  example: vsftpd-3.0.5 | pureftpd-1.0.50
    - `--with-mailer`, install Postfix (Mail Transfer Agent) & Dovecot (IMAP-POP3 server)
    - `--with-mail-sender-domain=<domain>`, default mail sender domain (FQDN format)
    - `--with-ssh-port=<port_number>`, example: 22, 2269
    - `--with-ssh-passwordless`, enable SSH password-less login (requires SSH public key set up)
    - `--with-ssh-pub-key=<public_key_string>`, public key string
    - `--hostname=<host_name>`, server hostname in fully qualified domain name format (e.g host.lemper.test)
    - `--ipv4=<ipv4_address>`, server static / public IPv4 address
    - `--admin-email=<email_address>`, your stack administrator email (for notification, default Let's Encrypt account, and Mail sender)
    - `--fix-broken-install`, fix broken installation (broken apt installation)
    - `--dry-run`, run installer in dry run mode (testing)
    - `--debug`, run installer in debug mode (more verbose output)
    - `--force`, force installation and removal of existing installed software package
    - `--guided`, enter guided installation mode
    - `--development`, install LEMPer Stack on development or local environment
    - `--production`, install LEMPer Stack on production environment

.env.dist

@@ -264,21 +264,24 @@ REDIS_VERSION="stable"
 REDIS_REQUIRE_PASSWORD=false
 REDIS_PASSWORD=""
 
-[vsftpd]
-INSTALL_VSFTPD=true
+[ftpd]
+INSTALL_FTP_SERVER=true
 
 # Available installer: repo | source.
-VSFTPD_INSTALLER="source"
+FTP_SERVER_INSTALLER="source"
 
-# Available version: 3.0.5 or latest.
-VSFTPD_VERSION="3.0.5"
+# Supported FTP server: vsftpd | pureftpd.
+FTP_SERVER_NAME="vsftpd"
+
+# Available version: 3.0.5 (vsftpd), 1.0.50 (pure-ftpd), or latest.
+FTP_SERVER_VERSION="latest"
 
 # Enable FTP over TLS.
-VSFTPD_SSL_ENABLE=true
+FTP_SSL_ENABLE=true
 
 # Range of passv ports.
 FTP_MIN_PORT=45000
-FTP_MAX_PORT=45099
+FTP_MAX_PORT=45999
 
 [dns]
 # TODO: Install DNS server.

.github/workflows/main.yml

@@ -3,12 +3,10 @@ on:
   push:
     branches:
       - '2.x.x'
-      - '3.x.x'
       - 'master'
   pull_request:
     branches: 
       - '2.x.x'
-      - '3.x.x'
       - 'master'
   workflow_dispatch:
 jobs:
@@ -48,9 +46,9 @@ jobs:
           sudo apt-get install -q -y bash curl
           sudo curl -sSL -o /usr/local/bin/shunit2 https://raw.githubusercontent.com/kward/shunit2/master/shunit2
           sudo chmod +x /usr/local/bin/shunit2
-          sudo curl -sSLO https://github.com/koalaman/shellcheck/releases/download/v0.7.2/shellcheck-v0.7.2.linux.x86_64.tar.xz
-          sudo tar -xf shellcheck-v0.7.2.linux.x86_64.tar.xz
-          sudo mv shellcheck-v0.7.2/shellcheck /usr/local/bin/
+          sudo curl -sSLO https://github.com/koalaman/shellcheck/releases/download/v0.8.0/shellcheck-v0.8.0.linux.x86_64.tar.xz
+          sudo tar -xf shellcheck-v0.8.0.linux.x86_64.tar.xz
+          sudo mv shellcheck-v0.8.0/shellcheck /usr/local/bin/
           sudo chmod +x /usr/local/bin/shellcheck
       # Shellcheck Tests
       - name: Run shellcheck testing

etc/init.d/pure-ftpd

@@ -0,0 +1,117 @@
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          pure-ftpd
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Should-Start:      slapd mysql postgresql-8.3 postgresql-8.4
+# Should-Stop:       slapd mysql postgresql-8.3 postgresql-8.4
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+### END INIT INFO
+#
+# pure-ftpd	starts and stops the pure-ftpd ftp daemon
+#
+# Copyright 2002-2011 by Stefan Hornburg (Racke) <racke@linuxia.de>
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+NAME=pure-ftpd
+DESC="ftp server"
+: ${SSDAEMONLOGOPTS:="--quiet"}
+UPLOADDAEMON=/usr/sbin/pure-uploadscript
+UDNAME=pure-uploadscript
+UDDESC="ftp upload handler"
+WRAPPER=/usr/sbin/pure-ftpd-wrapper
+
+# load LSB init-functions to get status_of_proc helper
+. /lib/lsb/init-functions
+
+PIDFILE=/var/run/pure-ftpd/pure-ftpd.pid
+
+# try to figure with suffix this script is called,
+# $0 might be a symlink pointing to this script
+if [ -h $0 ]; then
+	ME=`/bin/readlink $0`
+else 
+	ME=$0
+fi
+
+SUFFIX=`basename $ME | sed -ne 's/^pure-ftpd-\(.*\)/\1/p'`
+if [ "$SUFFIX" ] ; then
+	DAEMON=/usr/sbin/pure-ftpd-$SUFFIX
+else
+	DAEMON=/usr/sbin/pure-ftpd
+fi
+
+export STANDALONE_OR_INETD=inetd
+export VIRTUALCHROOT=
+test -r /etc/default/pure-ftpd-common && . /etc/default/pure-ftpd-common
+
+if [ "$VIRTUALCHROOT" = "true" ]; then
+	if [ "$SUFFIX" ]; then
+		SUFFIX="$SUFFIX-virtualchroot"
+	else
+		SUFFIX="virtualchroot"
+	fi
+fi
+
+test -x $DAEMON || exit 0
+test -x $WRAPPER || exit 0
+
+set -e
+
+if [ ! -e `dirname $PIDFILE` ];then
+       mkdir `dirname $PIDFILE`
+fi
+
+start_uploadscript() {
+	if [ "$UPLOADSCRIPT" -a "$STANDALONE_OR_INETD" != inetd ] && \
+		egrep -i '^[ 	]*(yes|1|on)[ 	]*' /etc/pure-ftpd/conf/CallUploadScript > /dev/null 2>&1
+	then
+		UOPTS=""
+		test "$UPLOADUID" && UOPTS="$UOPTS -u $UPLOADUID"
+		test "$UPLOADGID" && UOPTS="$UOPTS -g $UPLOADGID"
+		echo -n "$1 $UDDESC: "
+		start-stop-daemon --start $SSDAEMONLOGOPTS --oknodo \
+			--exec $UPLOADDAEMON -- -r "$UPLOADSCRIPT" -B $UOPTS
+		echo "$UDNAME."
+		
+	fi
+}
+
+case "$1" in
+  start)
+	test "$STANDALONE_OR_INETD" = standalone || exit 0
+	echo -n "Starting $DESC: "
+	 --start $SSDAEMONLOGOPTS --pidfile "$PIDFILE" \
+		--exec $WRAPPER -- $SUFFIX
+	start_uploadscript Starting
+	;;
+  stop)
+	echo -n "Stopping $DESC: "
+	start-stop-daemon --stop $SSDAEMONLOGOPTS --oknodo \
+		--pidfile "$PIDFILE"
+	start-stop-daemon --stop $SSDAEMONLOGOPTS --oknodo --exec $UPLOADDAEMON
+	echo "$NAME."
+	;;
+  restart|force-reload)
+	test "$STANDALONE_OR_INETD" = standalone || exit 0
+	echo -n "Restarting $DESC: "
+	start-stop-daemon --stop $SSDAEMONLOGOPTS --oknodo \
+		--pidfile "$PIDFILE"
+	start-stop-daemon --stop $SSDAEMONLOGOPTS --oknodo --exec $UPLOADDAEMON
+	sleep 1
+	start-stop-daemon --start $SSDAEMONLOGOPTS --pidfile "$PIDFILE" \
+		--exec $WRAPPER -- $SUFFIX
+	start_uploadscript Restarting
+	;;
+  status)
+	status_of_proc -p /var/run/pure-ftpd/pure-ftpd.pid $DAEMON $NAME && exit 0 || exit $?
+	;;
+  *)
+	N=/etc/init.d/$NAME
+	echo "Usage: $N {start|stop|restart|force-reload|status}" >&2
+	exit 1
+	;;
+esac
+
+exit 0

etc/systemd/pure-ftpd.service

@@ -0,0 +1,27 @@
+# Automatically generated by systemd-sysv-generator
+
+[Unit]
+Description=Free FTP Server with a strong focus on software security installed using LEMPer Stack
+Documentation=https://www.pureftpd.org/project/pure-ftpd/, man:systemd-sysv-generator(8)
+SourcePath=/etc/init.d/pure-ftpd
+Before=multi-user.target
+Before=multi-user.target
+Before=multi-user.target
+Before=graphical.target
+After=remote-fs.target
+After=slapd.service
+After=mysql.service
+After=postgresql-8.3.service
+After=postgresql-8.4.service
+
+[Service]
+Type=forking
+Restart=no
+TimeoutSec=5min
+IgnoreSIGPIPE=no
+KillMode=process
+GuessMainPID=no
+RemainAfterExit=yes
+SuccessExitStatus=5 6
+ExecStart=/etc/init.d/pure-ftpd start
+ExecStop=/etc/init.d/pure-ftpd stop

install.sh

@@ -144,10 +144,17 @@ if [ -f ./scripts/install_mailer.sh ]; then
     . ./scripts/install_mailer.sh
 fi
 
-### VSFTPD installation ###
-if [ -f ./scripts/install_vsftpd.sh ]; then
-    echo ""
-    . ./scripts/install_vsftpd.sh
+### FTP installation ###
+if [[ "${FTP_SERVER_NAME}" == "pureftpd" || "${FTP_SERVER_NAME}" == "pure-ftpd" ]]; then
+    if [ -f ./scripts/install_pureftpd.sh ]; then
+        echo ""
+        . ./scripts/install_pureftpd.sh
+    fi
+else
+    if [ -f ./scripts/install_vsftpd.sh ]; then
+        echo ""
+        . ./scripts/install_vsftpd.sh
+    fi
 fi
 
 ### Fail2ban, intrusion prevention software framework. ###

lemper.sh

@@ -140,10 +140,17 @@ function lemper_install() {
         . ./scripts/install_mailer.sh
     fi
 
-    ### VSFTPD installation ###
-    if [ -f ./scripts/install_vsftpd.sh ]; then
-        echo ""
-        . ./scripts/install_vsftpd.sh
+    ### FTP installation ###
+    if [[ "${FTP_SERVER_NAME}" == "pureftpd" || "${FTP_SERVER_NAME}" == "pure-ftpd" ]]; then
+        if [ -f ./scripts/install_pureftpd.sh ]; then
+            echo ""
+            . ./scripts/install_pureftpd.sh
+        fi
+    else
+        if [ -f ./scripts/install_vsftpd.sh ]; then
+            echo ""
+            . ./scripts/install_vsftpd.sh
+        fi
     fi
 
     ### Fail2ban, intrusion prevention software framework. ###
@@ -330,10 +337,17 @@ function lemper_remove() {
         . ./scripts/remove_certbotle.sh
     fi
 
-    ### Remove VSFTPD ###
-    if [ -f ./scripts/remove_vsftpd.sh ]; then
-        echo ""
-        . ./scripts/remove_vsftpd.sh
+    ### Remove FTP installation ###
+    if [[ "${FTP_SERVER_NAME}" == "pureftpd" || "${FTP_SERVER_NAME}" == "pure-ftpd" ]]; then
+        if [ -f ./scripts/remove_pureftpd.sh ]; then
+            echo ""
+            . ./scripts/remove_pureftpd.sh
+        fi
+    else
+        if [ -f ./scripts/remove_vsftpd.sh ]; then
+            echo ""
+            . ./scripts/remove_vsftpd.sh
+        fi
     fi
 
     ### Remove Fail2ban ###
@@ -524,12 +538,13 @@ function init_lemper_install() {
     shift
 
     # Set getopt options.
-    OPTS=$(getopt -o h:i:dgpDBF \
-        -l debug,development,dry-run,fix-broken-install,force,guided,hostname:,ipv4:,production,unattended \
+    OPTS=$(getopt -o e:h:i:dgpDBF \
+        -l admin-email:,debug,development,dry-run,fix-broken-install,force,guided,hostname:,ipv4:,production,unattended \
         -l with-nginx:,with-nginx-installer:,with-nginx-custom-ssl:,with-nginx-lua,with-nginx-pagespeed,with-nginx-passenger \
-        -l with-nginx-pcre:,with-nginx-rtmp,with-php:,with-php-extensions:,with-php-loader: \
-        -l with-mysql-server:,with-memcached:,with-memcached-installer:,with-mongodb:,with-mongodb-admin: \
-        -l with-redis:,with-redis-installer:,with-redis-requirepass:,with-ftp-server: \
+        -l with-nginx-pcre:,with-nginx-rtmp,with-php:,with-php-extensions:,with-php-loader:,with-mysql-server: \
+        -l with-ftp-server:,with-memcached:,with-memcached-installer:,with-mongodb:,with-mongodb-admin:,with-redis: \
+        -l with-redis-installer:,with-redis-requirepass:,with-ssh-passwordless,with-ssh-port:,with-ssh-pub-key: \
+        -l with-mailer,with-mail-sender-domain: \
         -n "${PROG_NAME}" -- "$@")
 
     eval set -- "${OPTS}"
@@ -542,7 +557,7 @@ function init_lemper_install() {
                 shift
                 NGINX_VERSION=${1}
                 sed -i "s/INSTALL_NGINX=[a-zA-Z]*/INSTALL_NGINX=true/g" .env
-                sed -i "s/NGINX_VERSION=\"[0-9a-zA-Z.\ ]*\"/NGINX_VERSION=\"${NGINX_VERSION}\"/g" .env
+                sed -i "s/NGINX_VERSION=\"[0-9a-zA-Z._-\ ]*\"/NGINX_VERSION=\"${NGINX_VERSION}\"/g" .env
                 shift
             ;;
             # Usage: --with-nginx-installer <repo | source>
@@ -565,7 +580,7 @@ function init_lemper_install() {
                 shift
                 NGINX_CUSTOMSSL_VERSION=${1-"openssl-1.1.1l"}
                 sed -i "s/NGINX_WITH_CUSTOMSSL=[a-zA-Z]*/NGINX_WITH_CUSTOMSSL=true/g" .env
-                sed -i "s/NGINX_CUSTOMSSL_VERSION=\"[0-9a-zA-Z.-\ ]*\"/NGINX_CUSTOMSSL_VERSION=\"${NGINX_CUSTOMSSL_VERSION}\"/g" .env
+                sed -i "s/NGINX_CUSTOMSSL_VERSION=\"[0-9a-zA-Z._-\ ]*\"/NGINX_CUSTOMSSL_VERSION=\"${NGINX_CUSTOMSSL_VERSION}\"/g" .env
                 shift
             ;;
             --with-nginx-lua)
@@ -585,7 +600,7 @@ function init_lemper_install() {
                 shift
                 NGINX_PCRE_VERSION=${1-"8.45"}
                 sed -i "s/NGINX_WITH_PCRE=[a-zA-Z]*/NGINX_WITH_PCRE=true/g" .env
-                sed -i "s/NGINX_PCRE_VERSION=\"[0-9a-zA-Z.\ ]*\"/NGINX_PCRE_VERSION=\"${NGINX_PCRE_VERSION}\"/g" .env
+                sed -i "s/NGINX_PCRE_VERSION=\"[0-9a-zA-Z._-\ ]*\"/NGINX_PCRE_VERSION=\"${NGINX_PCRE_VERSION}\"/g" .env
                 shift
             ;;
             --with-nginx-rtmp)
@@ -598,7 +613,7 @@ function init_lemper_install() {
                 shift
                 PHP_VERSIONS=${1}
                 sed -i "s/INSTALL_PHP=[a-zA-Z]*/INSTALL_PHP=true/g" .env
-                sed -i "s/PHP_VERSIONS=\"[0-9.\ ]*\"/PHP_VERSIONS=\"${PHP_VERSIONS}\"/g" .env
+                sed -i "s/PHP_VERSIONS=\"[0-9a-zA-Z._-\ ]*\"/PHP_VERSIONS=\"${PHP_VERSIONS}\"/g" .env
                 shift
             ;;
             # Usage: --with-php-extensions=<ext-name1 ext-name2 ext-name>
@@ -606,7 +621,7 @@ function init_lemper_install() {
                 exit_if_optarg_is_empty "${1}" "${2}"
                 shift
                 PHP_EXTENSIONS=$( echo "${1}" | tr '[:upper:]' '[:lower:]' )
-                sed -i "s/PHP_EXTENSIONS=\"[a-zA-Z,\ ]*\"/PHP_EXTENSIONS=\"${PHP_EXTENSIONS}\"/g" .env
+                sed -i "s/PHP_EXTENSIONS=\"[0-9a-zA-Z,._-\ ]*\"/PHP_EXTENSIONS=\"${PHP_EXTENSIONS}\"/g" .env
                 shift
             ;;
             # Usage: --with-php-loader <ioncube | sourceguardian>
@@ -658,7 +673,7 @@ function init_lemper_install() {
                     ;;
                 esac
                 if [ -n "${MYSQL_SERVER_VER}" ]; then
-                    sed -i "s/MYSQL_VERSION=\"[0-9.\ ]*\"/MYSQL_VERSION=\"${MYSQL_SERVER_VER}\"/g" .env
+                    sed -i "s/MYSQL_VERSION=\"[0-9a-zA-Z._-\ ]*\"/MYSQL_VERSION=\"${MYSQL_SERVER_VER}\"/g" .env
                 fi
                 shift
             ;;
@@ -668,7 +683,7 @@ function init_lemper_install() {
                 shift
                 MEMCACHED_VERSION=${1}
                 sed -i "s/INSTALL_MEMCACHED=[a-zA-Z]*/INSTALL_MEMCACHED=true/g" .env
-                sed -i "s/MEMCACHED_VERSION=\"[0-9a-zA-Z.\ ]*\"/MEMCACHED_VERSION=\"${MEMCACHED_VERSION}\"/g" .env
+                sed -i "s/MEMCACHED_VERSION=\"[0-9a-zA-Z._-\ ]*\"/MEMCACHED_VERSION=\"${MEMCACHED_VERSION}\"/g" .env
                 shift
             ;;
             # Usage: --with-memcached-installer <source | repo>
@@ -692,7 +707,7 @@ function init_lemper_install() {
                 shift
                 MONGODB_VERSION=${1}
                 sed -i "s/INSTALL_MONGODB=[a-zA-Z]*/INSTALL_MONGODB=true/g" .env
-                sed -i "s/MONGODB_VERSION=\"[0-9a-zA-Z.\ ]*\"/MONGODB_VERSION=\"${MONGODB_VERSION}\"/g" .env
+                sed -i "s/MONGODB_VERSION=\"[0-9a-zA-Z._-\ ]*\"/MONGODB_VERSION=\"${MONGODB_VERSION}\"/g" .env
                 shift
             ;;
             # Usage: --with-mongodb-admin <username:password>
@@ -708,7 +723,7 @@ function init_lemper_install() {
                 # Restore default IFS
                 IFS=${_IFS}
                 sed -i "s/MONGODB_ADMIN_USER=\"[0-9a-zA-Z._-]*\"/MONGODB_ADMIN_USER=\"${MONGODB_ADMIN_USER}\"/g" .env
-                sed -i "s/MONGODB_ADMIN_PASSWORD=\"[0-9a-zA-Z._-]*\"/MONGODB_ADMIN_PASSWORD=\"${MONGODB_ADMIN_PASS}\"/g" .env
+                sed -i "s/MONGODB_ADMIN_PASSWORD=\"[0-9a-zA-Z._-\ ]*\"/MONGODB_ADMIN_PASSWORD=\"${MONGODB_ADMIN_PASS}\"/g" .env
                 shift
             ;;
             # Usage: --with-redis <latest | stable | redis-version>
@@ -718,7 +733,7 @@ function init_lemper_install() {
                 REDIS_VERSION=${1}
                 if [ -z "${REDIS_VERSION}" ]; then REDIS_VERSION="stable"; fi
                 sed -i "s/INSTALL_REDIS=[a-zA-Z]*/INSTALL_REDIS=true/g" .env
-                sed -i "s/REDIS_VERSION=\"[0-9a-zA-Z._-]*\"/REDIS_VERSION=\"${REDIS_VERSION}\"/g" .env
+                sed -i "s/REDIS_VERSION=\"[0-9a-zA-Z._-\ ]*\"/REDIS_VERSION=\"${REDIS_VERSION}\"/g" .env
                 shift
             ;;
             # Usage: --with-redis-installer <source | repo>
@@ -728,7 +743,7 @@ function init_lemper_install() {
                 REDIS_INSTALLER=${1}
                 case "${REDIS_INSTALLER}" in
                     source)
-                        sed -i "s/REDIS_INSTALLER=\"[a-zA-Z.\ ]*\"/REDIS_INSTALLER=\"source\"/g" .env
+                        sed -i "s/REDIS_INSTALLER=\"[a-zA-Z]*\"/REDIS_INSTALLER=\"source\"/g" .env
                     ;;
                     *)
                         sed -i "s/REDIS_INSTALLER=\"[a-zA-Z]*\"/REDIS_INSTALLER=\"repo\"/g" .env
@@ -745,6 +760,46 @@ function init_lemper_install() {
                 sed -i "s/REDIS_PASSWORD=\"[0-9a-zA-Z._-]*\"/REDIS_PASSWORD=\"${REDIS_PASSWORD}\"/g" .env
                 shift
             ;;
+            --with-ftp-server)
+                exit_if_optarg_is_empty "${1}" "${2}"
+                shift
+                sed -i "s/INSTALL_FTP_SERVER=[a-zA-Z]*/INSTALL_FTP_SERVER=true/g" .env
+                FTP_SERVER=$( echo "${1}" | tr '[:upper:]' '[:lower:]' )
+                # Reserve default IFS
+                _IFS=${IFS}
+                IFS='-' read -r -a _FTP_SERVER <<< "${FTP_SERVER}"
+                FTP_SERVER_NAME="${_FTP_SERVER[0]}"
+                FTP_SERVER_VER="${_FTP_SERVER[1]}"
+                # Restore default IFS
+                IFS=${_IFS}
+                case "${FTP_SERVER_NAME}" in
+                    pureftpd | pure-ftpd)
+                        sed -i "s/FTP_SERVER_NAME=\"[a-zA-Z]*\"/FTP_SERVER_NAME=\"pureftpd\"/g" .env
+                    ;;
+                    vsftpd)
+                        sed -i "s/FTP_SERVER_NAME=\"[a-zA-Z]*\"/FTP_SERVER_NAME=\"vsftpd\"/g" .env
+                    ;;
+                    *)
+                        echo "Selected MySQL Server: ${FTP_SERVER_NAME} is not supported, fallback to VSFTPD."
+                        sed -i "s/FTP_SERVER_NAME=\"[0-9a-zA-Z._-]*\"/FTP_SERVER_NAME=\"vsftpd\"/g" .env
+                    ;;
+                esac
+                if [ -n "${FTP_SERVER_VER}" ]; then
+                    sed -i "s/FTP_SERVER_VERSION=\"[0-9a-zA-Z._-\ ]*\"/FTP_SERVER_VERSION=\"${FTP_SERVER_VER}\"/g" .env
+                fi
+                shift
+            ;;
+            --with-mailer)
+                sed -i "s/INSTALL_MAILER=[a-zA-Z]*/INSTALL_MAILER=true/g" .env
+                shift
+            ;;
+            --with-mail-sender-domain)
+                exit_if_optarg_is_empty "${1}" "${2}"
+                shift
+                MAIL_SENDER_DOMAIN=${1}
+                sed -i "s/SENDER_DOMAIN=\"[0-9a-zA-Z._-@\ ]*\"/SENDER_DOMAIN=\"${MAIL_SENDER_DOMAIN}\"/g" .env
+                shift
+            ;;
             --with-ssh-port)
                 exit_if_optarg_is_empty "${1}" "${2}"
                 shift
@@ -761,6 +816,20 @@ function init_lemper_install() {
                 sed -i "s/SSH_PASSWORDLESS=[a-zA-Z]*/SSH_PASSWORDLESS=true/g" .env
                 shift
             ;;
+            --with-ssh-pub-key)
+                exit_if_optarg_is_empty "${1}" "${2}"
+                shift
+                SSH_PUB_KEY=${1}
+                sed -i "s/SSH_PUB_KEY=\"[0-9a-zA-Z._-]*\"/SSH_PUB_KEY=\"${SSH_PUB_KEY}\"/g" .env
+                shift
+            ;;
+            -e | --admin-email)
+                exit_if_optarg_is_empty "${1}" "${2}"
+                shift
+                LEMPER_ADMIN_EMAIL=${1}
+                sed -i "s/LEMPER_ADMIN_EMAIL=\"[0-9a-zA-Z._-@\ ]*\"/LEMPER_ADMIN_EMAIL=\"${LEMPER_ADMIN_EMAIL}\"/g" .env
+                shift
+            ;;
             -B | --fix-broken-install)
                 sed -i "s/FIX_BROKEN_INSTALL=[a-zA-Z]*/FIX_BROKEN_INSTALL=true/g" .env
                 shift
@@ -806,13 +875,6 @@ function init_lemper_install() {
                 sed -i "s/ENVIRONMENT=\"[a-zA-Z]*\"/ENVIRONMENT=\"production\"/g" .env
                 shift
             ;;
-            --admin-email)
-                exit_if_optarg_is_empty "${1}" "${2}"
-                shift
-                LEMPER_ADMIN_EMAIL=${1}
-                sed -i "s/LEMPER_ADMIN_EMAIL=\"[0-9a-zA-Z._-@\ ]*\"/LEMPER_ADMIN_EMAIL=\"${LEMPER_ADMIN_EMAIL}\"/g" .env
-                shift
-            ;;
             --)
                 shift
                 break

lib/lemper-manage.sh

@@ -565,7 +565,23 @@ function remove_ssl() {
     # Update vhost config.
     if [[ "${DRYRUN}" != true ]]; then
         # Disable HTTPS first.
-        disable_ssl "${DOMAIN}"
+        echo "Disabling HTTPS configuration..."
+
+        if [ -f "/etc/nginx/sites-available/${DOMAIN}.nonssl-conf" ]; then
+            # Disable vhost first.
+            run unlink "/etc/nginx/sites-enabled/${DOMAIN}.conf"
+
+            # Backup ssl config.
+            run mv "/etc/nginx/sites-available/${DOMAIN}.conf" "/etc/nginx/sites-available/${DOMAIN}.ssl-conf"
+
+            # Restore non ssl config.
+            run mv "/etc/nginx/sites-available/${DOMAIN}.nonssl-conf" "/etc/nginx/sites-available/${DOMAIN}.conf"
+            run ln -s "/etc/nginx/sites-available/${DOMAIN}.conf" "/etc/nginx/sites-enabled/${DOMAIN}.conf"
+
+            reload_nginx
+        else
+            error "Something went wrong. You still could disable HTTPS manually."
+        fi
 
         # Remove SSL config.
         if [ -f "/etc/nginx/sites-available/${DOMAIN}.ssl-conf" ]; then
@@ -759,7 +775,7 @@ function reload_nginx() {
         else
             error "Configuration couldn't be validated. Please correct the error below:";
             nginx -t
-            exit 1
+            [[ ${EXIT} ]] && exit 1
         fi
     # Nginx service dead? Try to start it.
     else

remove.sh

@@ -103,10 +103,17 @@ if [ -f ./scripts/remove_certbotle.sh ]; then
     . ./scripts/remove_certbotle.sh
 fi
 
-### Remove VSFTPD ###
-if [ -f ./scripts/remove_vsftpd.sh ]; then
-    echo ""
-    . ./scripts/remove_vsftpd.sh
+### Remove FTP installation ###
+if [[ "${FTP_SERVER_NAME}" == "pureftpd" || "${FTP_SERVER_NAME}" == "pure-ftpd" ]]; then
+    if [ -f ./scripts/remove_pureftpd.sh ]; then
+        echo ""
+        . ./scripts/remove_pureftpd.sh
+    fi
+else
+    if [ -f ./scripts/remove_vsftpd.sh ]; then
+        echo ""
+        . ./scripts/remove_vsftpd.sh
+    fi
 fi
 
 ### Remove Fail2ban ###

scripts/install_dependencies.sh

@@ -40,7 +40,7 @@ run apt-get install -qq -y \
     htop iptables libc-bin libc6-dev libcurl4-openssl-dev libgd-dev libgeoip-dev libgpgme11-dev \
     libsodium-dev libssl-dev libxml2-dev libpcre3-dev libtool libxslt1-dev locales logrotate lsb-release \
     make net-tools openssh-server openssl pkg-config python python3 re2c rsync software-properties-common \
-    sasl2-bin sendmail snmp sudo sysstat tar tzdata unzip wget whois xz-utils zlib1g-dev
+    sasl2-bin snmp sudo sysstat tar tzdata unzip wget whois xz-utils zlib1g-dev
 
 # Update locale
 echo "Reconfigure locale..."

scripts/install_mailer.sh

@@ -39,6 +39,13 @@ function install_postfix() {
     if [[ ${DO_INSTALL_POSTFIX} == y* || ${DO_INSTALL_POSTFIX} == Y* ]]; then
         echo "Installing Postfix Mail-Transfer Agent..."
 
+        if [[ -n $(command -v sendmail) ]]; then
+            echo "Remove existing sendmail install..."
+            run service sendmail stop && \
+            run update-rc.d -f sendmail remove && \
+            run apt-get remove -qq -y sendmail
+        fi
+
         run apt-get install -qq -y mailutils postfix
 
         # Configure Postfix.

scripts/install_pureftpd.sh

@@ -0,0 +1,239 @@
+#!/usr/bin/env bash
+
+# Pure-FTPd Installer
+# Min. Requirement  : GNU/Linux Ubuntu 18.04
+# Last Build        : 07/04/2022
+# Author            : MasEDI.Net (me@masedi.net)
+# Since Version     : 1.0.0
+
+# Include helper functions.
+if [[ "$(type -t run)" != "function" ]]; then
+    BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
+    # shellcheck disable=SC1091
+    . "${BASE_DIR}/helper.sh"
+
+    # Make sure only root can run this installer script.
+    requires_root "$@"
+
+    # Make sure only supported distribution can run this installer script.
+    preflight_system_check
+fi
+
+##
+# Install Pure-FTPd.
+##
+function init_pureftpd_install() {
+    local SELECTED_INSTALLER=""
+
+    if [[ "${AUTO_INSTALL}" == true ]]; then
+        if [[ "${INSTALL_FTP_SERVER}" == true ]]; then
+            DO_INSTALL_FTP_SERVER="y"
+            SELECTED_INSTALLER=${FTP_SERVER_INSTALLER:-"repo"}
+        else
+            DO_INSTALL_FTP_SERVER="n"
+        fi
+    else
+        while [[ "${DO_INSTALL_FTP_SERVER}" != "y" && "${DO_INSTALL_FTP_SERVER}" != "n" ]]; do
+            read -rp "Do you want to install FTP server (Pure-FTPd)? [y/n]: " -i y -e DO_INSTALL_FTP_SERVER
+        done
+    fi
+
+    if [[ ${DO_INSTALL_FTP_SERVER} == y* || ${DO_INSTALL_FTP_SERVER} == Y* ]]; then
+        echo "Available Pure-FTPd installation method:"
+        echo "  1). Install from Repository (repo)"
+        echo "  2). Compile from Source (source)"
+        echo "--------------------------------"
+
+        while [[ ${SELECTED_INSTALLER} != "1" && ${SELECTED_INSTALLER} != "2" && ${SELECTED_INSTALLER} != "none" && \
+            ${SELECTED_INSTALLER} != "repo" && ${SELECTED_INSTALLER} != "source" ]]; do
+            read -rp "Select an option [1-2]: " -e SELECTED_INSTALLER
+        done
+
+        case "${SELECTED_INSTALLER}" in
+            1 | "repo")
+                echo "Installing FTP server (Pure-FTPd) from repository..."
+
+                run apt-get install -y pure-ftpd-common pure-ftpd
+            ;;
+            2 | "source")
+                echo "Installing FTP server (Pure-FTPd) from source..."
+
+                local CURRENT_DIR && \
+                CURRENT_DIR=$(pwd)
+
+                if [[ "${FTP_SERVER_VERSION}" == "latest" || "${FTP_SERVER_VERSION}" == "stable" ]]; then
+                    PUREFTPD_FILENAME="pure-ftpd-1.0.50.tar.gz"
+                    PUREFTPD_ZIP_URL="https://download.pureftpd.org/pub/pure-ftpd/releases/${PUREFTPD_FILENAME}"
+                else
+                    PUREFTPD_FILENAME="pure-ftpd-${FTP_SERVER_VERSION}.tar.gz"
+                    PUREFTPD_ZIP_URL="https://download.pureftpd.org/pub/pure-ftpd/releases/${PUREFTPD_FILENAME}"
+                fi
+
+                run cd "${BUILD_DIR}" && \
+                run wget -q "${PUREFTPD_ZIP_URL}" && \
+                run tar -zxf "${PUREFTPD_FILENAME}" && \
+                run cd "${PUREFTPD_FILENAME%.*.*}" || return 1
+
+                # Enable MySQL support.
+                run ./configure --prefix=/usr --with-mysql --with-uploadscript --with-extauth --with-ftpwho --with-wrapper --with-virtualchroot --with-everything && \
+
+                # Make install.
+                run make && \
+                run make install && \
+                run cd "${CURRENT_DIR}" || return 1
+
+                # Move executable to /usr/sbin.
+                #if [[ -x /usr/local/sbin/pure-ftpd ]]; then
+                #    run mv /usr/local/sbin/pure-ftpd /usr/sbin/
+                    #run ln -sf /usr/local/sbin/pure-ftpd /usr/sbin/pure-ftpd
+                #fi
+            ;;
+            *)
+                # Skip installation.
+                error "Installer method not supported. Pure-FTPd installation skipped."
+            ;;
+        esac
+
+        # Configure Fal2ban.
+        echo "Configuring FTP server (Pure-FTPd)..."
+
+        if [[ "${DRYRUN}" != true ]]; then
+            FTP_MIN_PORT=${FTP_MIN_PORT:-45000}
+            FTP_MAX_PORT=${FTP_MAX_PORT:-45999}
+
+            # Backup original config.
+            if [[ -f /etc/pure-ftpd/pure-ftpd.conf ]]; then
+                run cp -f /etc/pure-ftpd/pure-ftpd.conf /etc/pure-ftpd/pure-ftpd.conf.bak
+            elif [[ ! -d /etc/pure-ftpd ]]; then
+                run mkdir -p /etc/pure-ftpd
+            fi
+
+            run touch /etc/pure-ftpd/pure-ftpd.conf
+
+            # Enable jail mode.
+            cat > /etc/pure-ftpd/pure-ftpd.conf <<EOL
+ChrootEveryone               yes
+BrokenClientsCompatibility   no
+MaxClientsNumber             50
+Daemonize                    yes
+MaxClientsPerIP              8
+VerboseLog                   no
+DisplayDotFiles              yes
+AnonymousOnly                no
+NoAnonymous                  no
+SyslogFacility               ftp
+DontResolve                  yes
+MaxIdleTime                  15
+
+# MySQLConfigFile              /etc/pureftpd-mysql.conf
+# PureDB                       /etc/pureftpd.pdb
+PureDB                       /etc/pure-ftpd/pureftpd.pdb
+
+# ExtAuth                      /var/run/ftpd.sock
+
+# PAMAuthentication            yes
+UnixAuthentication           yes
+
+LimitRecursion               10000 8
+AnonymousCanCreateDirs       no
+MaxLoad                      4
+
+PassivePortRange             ${FTP_MIN_PORT} ${FTP_MAX_PORT}
+# ForcePassiveIP               ${SERVER_IP}
+
+# AntiWarez                    yes
+
+# Bind                         127.0.0.1,21
+
+Umask                        133:022
+MinUID                       100
+AllowUserFXP                 no
+AllowAnonymousFXP            no
+ProhibitDotFilesWrite        no
+ProhibitDotFilesRead         no
+AutoRename                   no
+AnonymousCantUpload          no
+# TrustedIP                    10.1.1.1
+
+# CreateHomeDir                yes
+# Quota                        1000:10
+
+# PIDFile                      /var/run/pure-ftpd.pid
+PIDFile                      /var/run/pure-ftpd/pure-ftpd.pid
+
+# CallUploadScript             yes
+
+MaxDiskUsage                   90
+CustomerProof                yes
+
+IPV4Only                     no
+
+EOL
+
+            # Enable SSL.
+            # TODO: Change the self-signed certificate with a valid Let's Encrypt certificate.
+            if [[ "${FTP_SSL_ENABLE}" == true ]]; then
+                cat >> /etc/pure-ftpd/pure-ftpd.conf <<EOL
+TLS                          2
+TLSCipherSuite               HIGH:MEDIUM:+TLSv1:!SSLv2:!SSLv3
+CertFile                     /etc/ssl/certs/ssl-cert-snakeoil.pem
+
+EOL
+            fi
+
+            # If we are behind NAT (such as AWS, GCP, Azure), set the Public IP.
+            if [[ "${SERVER_IP}" != "$(get_ip_private)" ]]; then
+                run sed -i "s|^#\ ForcePassiveIP|ForcePassiveIP|g" /etc/pure-ftpd/pure-ftpd.conf
+            fi
+
+            # If Let's Encrypt SSL certificate is issued for hostname, set the certificate.
+            if [[ -n "${HOSTNAME_CERT_PATH}" && -f "${HOSTNAME_CERT_PATH}/fullchain.pem" ]]; then
+                run sed -i "s|^CertFile\                     [^[:digit:]]*$|CertFile\                     ${HOSTNAME_CERT_PATH}/fullchain.pem|g" /etc/pure-ftpd/pure-ftpd.conf
+            fi
+        fi
+
+        # Add init.d script.
+        #if [[ ! -f /etc/init.d/pure-ftpd ]]; then
+        #    run cp -f etc/init.d/pure-ftpd /etc/init.d/pure-ftpd
+        #    run chmod +x /etc/init.d/pure-ftpd
+        #    run update-rc.d pure-ftpd defaults
+        #fi
+
+        # Add systemd service.
+        #[[ ! -f /run/systemd/generator.late/pure-ftpd.service ]] && \
+        #    run cp etc/systemd/pure-ftpd.service /run/systemd/generator.late/pure-ftpd.service
+        #[[ ! -f /run/systemd/generator.late/multi-user.target.wants/pure-ftpd.service ]] && \
+        #    run ln -sf /run/systemd/generator.late/pure-ftpd.service /run/systemd/generator.late/multi-user.target.wants/pure-ftpd.service
+        #[[ ! -f /run/systemd/generator.late/graphical.target.wants/pure-ftpd.service ]] && \
+        #    run ln -sf /run/systemd/generator.late/pure-ftpd.service /run/systemd/generator.late/graphical.target.wants/pure-ftpd.service
+
+        # Restart Pure-FTPd daemon.
+        echo "Restarting FTP server (Pure-FTPd)..."
+
+        run systemctl daemon-reload
+        run systemctl restart pure-ftpd
+        #run systemctl enable pure-ftpd
+
+        if [[ "${DRYRUN}" != true ]]; then
+            if [[ $(pgrep -c pure-ftpd) -gt 0 ]]; then
+                success "FTP server (Pure-FTPd) started successfully."
+            else
+                info "Something went wrong with FTP server installation."
+            fi
+        else
+            info "FTP server (Pure-FTPd) installed in dry run mode."
+        fi
+    else
+        info "FTP server (Pure-FTPd) installation skipped."
+    fi
+}
+
+echo "[FTP Server (Pure-FTPd) Installation]"
+
+# Start running things from a call at the end so if this script is executed
+# after a partial download it doesn't do anything.
+if [[ -n $(command -v pure-ftpd) && "${FORCE_INSTALL}" != true ]]; then
+    info "FTP Server (Pure-FTPd) already exists, installation skipped."
+else
+    init_pureftpd_install "$@"
+fi

scripts/install_tools.sh

@@ -138,6 +138,7 @@ function init_tools_install() {
         local CURRENT_DIR && \
         CURRENT_DIR=$(pwd)
         run cd /usr/share/nginx/html/lcp/memcadmin && \
+        run git config --global --add safe.directory /usr/share/nginx/html/lcp/memcadmin && \
         run git pull -q && \
         run cd "${CURRENT_DIR}" || return 1
     fi

scripts/install_vsftpd.sh

@@ -26,19 +26,19 @@ function init_vsftpd_install() {
     local SELECTED_INSTALLER=""
 
     if [[ "${AUTO_INSTALL}" == true ]]; then
-        if [[ "${INSTALL_VSFTPD}" == true ]]; then
-            DO_INSTALL_VSFTPD="y"
-            SELECTED_INSTALLER=${VSFTPD_INSTALLER:-"repo"}
+        if [[ "${INSTALL_FTP_SERVER}" == true ]]; then
+            DO_INSTALL_FTP_SERVER="y"
+            SELECTED_INSTALLER=${FTP_SERVER_INSTALLER:-"repo"}
         else
-            DO_INSTALL_VSFTPD="n"
+            DO_INSTALL_FTP_SERVER="n"
         fi
     else
-        while [[ "${DO_INSTALL_VSFTPD}" != "y" && "${DO_INSTALL_VSFTPD}" != "n" ]]; do
-            read -rp "Do you want to install FTP server (VSFTPD)? [y/n]: " -i y -e DO_INSTALL_VSFTPD
+        while [[ "${DO_INSTALL_FTP_SERVER}" != "y" && "${DO_INSTALL_FTP_SERVER}" != "n" ]]; do
+            read -rp "Do you want to install FTP server (VSFTPD)? [y/n]: " -i y -e DO_INSTALL_FTP_SERVER
         done
     fi
 
-    if [[ ${DO_INSTALL_VSFTPD} == y* || ${DO_INSTALL_VSFTPD} == Y* ]]; then
+    if [[ ${DO_INSTALL_FTP_SERVER} == y* || ${DO_INSTALL_FTP_SERVER} == Y* ]]; then
         echo "Available VSFTPD installation method:"
         echo "  1). Install from Repository (repo)"
         echo "  2). Compile from Source (source)"
@@ -53,9 +53,6 @@ function init_vsftpd_install() {
             1 | "repo")
                 echo "Installing FTP server (VSFTPD) from repository..."
                 run apt-get install -qq -y vsftpd
-
-                # Backup original config.
-                run cp /etc/vsftpd.conf /etc/vsftpd.conf.backup
             ;;
             2 | "source")
                 echo "Installing FTP server (VSFTPD) from source..."
@@ -121,21 +118,21 @@ function init_vsftpd_install() {
                 local CURRENT_DIR && \
                 CURRENT_DIR=$(pwd)
 
-                if [[ "${VSFTPD_VERSION}" == "latest" ]]; then
+                if [[ "${FTP_SERVER_VERSION}" == "latest" || "${FTP_SERVER_VERSION}" == "stable" ]]; then
                     VSFTPD_FILENAME="vsftpd-3.0.5.tar.gz"
                     VSFTPD_ZIP_URL="https://security.appspot.com/downloads/${VSFTPD_FILENAME}"
                 else
-                    VSFTPD_FILENAME="vsftpd-${VSFTPD_VERSION}.tar.gz"
+                    VSFTPD_FILENAME="vsftpd-${FTP_SERVER_VERSION}.tar.gz"
                     VSFTPD_ZIP_URL="https://security.appspot.com/downloads/${VSFTPD_FILENAME}"
                 fi
 
                 run cd "${BUILD_DIR}" && \
                 run wget -q "${VSFTPD_ZIP_URL}" && \
                 run tar -zxf "${VSFTPD_FILENAME}" && \
-                run cd vsftpd-*/ || return 1
+                run cd "${VSFTPD_FILENAME%.*.*}" / || return 1
 
                 # If SSL Enabled, modify the builddefs.h file.
-                if [[ "${VSFTPD_SSL_ENABLE}" == true ]]; then
+                if [[ "${FTP_SSL_ENABLE}" == true ]]; then
                     run sed -i 's/\#undef\ VSF_BUILD_SSL/\#define\ VSF_BUILD_SSL/g' ./builddefs.h
                 fi
 
@@ -207,7 +204,7 @@ EOL
 
             # Enable SSL.
             # TODO: Change the self-signed certificate with a valid Let's Encrypt certificate.
-            if [[ "${VSFTPD_SSL_ENABLE}" == true ]]; then
+            if [[ "${FTP_SSL_ENABLE}" == true ]]; then
                 cat >> /etc/vsftpd.conf <<EOL
 
 ssl_enable=YES
@@ -251,8 +248,10 @@ EOL
 
         # Restart vsftpd daemon.
         echo "Restarting FTP server (VSFTPD)..."
+
         run systemctl unmask vsftpd
         run systemctl restart vsftpd
+        run systemctl enable vsftpd
 
         if [[ "${DRYRUN}" != true ]]; then
             if [[ $(pgrep -c vsftpd) -gt 0 ]]; then

scripts/remove_pureftpd.sh

@@ -0,0 +1,103 @@
+#!/usr/bin/env bash
+
+# Pure-FTPd Uninstaller
+# Min. Requirement  : GNU/Linux Ubuntu 18.04
+# Last Build        : 07/04/2022
+# Author            : MasEDI.Net (me@masedi.net)
+# Since Version     : 2.6.4
+
+# Include helper functions.
+if [[ "$(type -t run)" != "function" ]]; then
+    BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
+    # shellcheck disable=SC1091
+    . "${BASE_DIR}/helper.sh"
+
+    # Make sure only root can run this installer script.
+    requires_root "$@"
+
+    # Make sure only supported distribution can run this installer script.
+    preflight_system_check
+fi
+
+function init_pureftpd_removal() {
+    # Stop Pure-FTPd process.
+    if [[ $(pgrep -c pure-ftpd) -gt 0 ]]; then
+        run systemctl stop pure-ftpd
+        run systemctl disable pure-ftpd
+    fi
+
+    if dpkg-query -l | awk '/pure-ftpd/ { print $2 }' | grep -qwE "^pure-ftpd$"; then
+        echo "Found FTP server (Pure-FTPd) package installation. Removing..."
+        run apt-get purge -qq -y pure-ftpd pure-ftpd-common pure-ftpd-mysql
+    else
+        info "FTP server (Pure-FTPd) package not found, possibly installed from source."
+        echo "Remove it manually!!"
+
+        PUREFTPD_BIN=$(command -v pure-ftpd)
+        echo "Deleting Pure-FTPd binary executable: ${PUREFTPD_BIN}"
+
+        [[ -x "${PUREFTPD_BIN}" ]] && run rm -f "${PUREFTPD_BIN}"
+    fi
+
+    [[ -f /etc/systemd/system/multi-user.target.wants/pure-ftpd.service ]] && \
+        run unlink /etc/systemd/system/multi-user.target.wants/pure-ftpd.service
+    [[ -f /lib/systemd/system/pure-ftpd.service ]] && run rm /lib/systemd/system/pure-ftpd.service && \
+    [[ -x /etc/init.d/pure-ftpd ]] && run update-rc.d -f pure-ftpd remove
+
+    # Remove Pure-FTPd config files.
+    echo "Removing FTP server (Pure-FTPd) configuration..."
+    warning "!! This action is not reversible !!"
+
+    if [[ "${AUTO_REMOVE}" == true ]]; then
+        if [[ "${FORCE_REMOVE}" == true ]]; then
+            REMOVE_PUREFTPD_CONFIG="y"
+        else
+            REMOVE_PUREFTPD_CONFIG="n"
+        fi
+    else
+        while [[ "${REMOVE_PUREFTPD_CONFIG}" != "y" && "${REMOVE_PUREFTPD_CONFIG}" != "n" ]]; do
+            read -rp "Remove FTP server (Pure-FTPd) configuration files? [y/n]: " -e REMOVE_PUREFTPD_CONFIG
+        done
+    fi
+
+    if [[ "${REMOVE_PUREFTPD_CONFIG}" == y* || "${REMOVE_PUREFTPD_CONFIG}" == Y* ]]; then
+        [[ -d /etc/pure-ftpd ]] && run rm -fr /etc/pure-ftpd
+        [[ -x /etc/init.d/pure-ftpd ]] && run update-rc.d -f pure-ftpd remove
+        [[ -f /usr/sbin/pure-ftpd-wrapper ]] && run rm -f /usr/sbin/pure-ftpd-wrapper
+
+        echo "All configuration files deleted permanently."
+    fi
+
+    # Final test.
+    if [[ "${DRYRUN}" != true ]]; then
+        run systemctl daemon-reload
+
+        if [[ -z $(command -v pure-ftpd) ]]; then
+            success "FTP server (Pure-FTPd) removed succesfully."
+        else
+            info "Unable to remove FTP server (Pure-FTPd)."
+        fi
+    else
+        info "FTP server (Pure-FTPd) server removed in dry run mode."
+    fi
+}
+
+echo "Uninstalling FTP server (Pure-FTPd)..."
+
+if [[ -n $(command -v pure-ftpd) ]]; then
+    if [[ "${AUTO_REMOVE}" == true ]]; then
+        REMOVE_PUREFTPD="y"
+    else
+        while [[ "${REMOVE_PUREFTPD}" != "y" && "${REMOVE_PUREFTPD}" != "n" ]]; do
+            read -rp "Are you sure to remove FTP server (Pure-FTPd)? [y/n]: " -e REMOVE_PUREFTPD
+        done
+    fi
+
+    if [[ "${REMOVE_PUREFTPD}" == y* || "${REMOVE_PUREFTPD}" == Y* ]]; then
+        init_pureftpd_removal "$@"
+    else
+        echo "Found FTP server (Pure-FTPd), but not removed."
+    fi
+else
+    info "Oops, FTP server (Pure-FTPd) installation not found."
+fi

scripts/remove_vsftpd.sh

@@ -23,6 +23,7 @@ function init_vsftpd_removal() {
     # Stop VSFTPD process.
     if [[ $(pgrep -c vsftpd) -gt 0 ]]; then
         run systemctl stop vsftpd
+        run systemctl disable vsftpd
     fi
 
     if dpkg-query -l | awk '/vsftpd/ { print $2 }' | grep -qwE "^vsftpd$"; then