Usage: novnc_proxy [--listen PORT] [--vnc VNC_HOST:PORT] [--cert CERT] [--ssl-only]

Starts the WebSockets proxy and a mini-webserver and 
provides a cut-and-paste URL to go to.

    --listen PORT         Port for proxy/webserver to listen on
                          Default: 6080
    --vnc VNC_HOST:PORT   VNC server host:port proxy target
                          Default: localhost:5900
    --cert CERT           Path to combined cert/key file, or just
                          the cert file if used with --key
                          Default: self.pem
    --key KEY             Path to key file, when not combined with cert
    --web WEB             Path to web files (e.g. vnc.html)
                          Default: ./
    --ssl-only            Disable non-https connections.
                                    
    --record FILE         Record traffic to FILE.session.js
                                    
    --syslog SERVER       Can be local socket such as /dev/log, or a UDP host:port pair.
                                    
    --heartbeat SEC       send a ping to the client every SEC seconds
    --timeout SEC         after SEC seconds exit when not connected
    --idle-timeout SEC    server exits after SEC seconds if there are no
                          active connections

[Sat May 28 18:56:17 CEST 2022] Your cert is in: /root/.acme.sh/test.alfaexploit.com/test.alfaexploit.com.cer
[Sat May 28 18:56:17 CEST 2022] Your cert key is in: /root/.acme.sh/test.alfaexploit.com/test.alfaexploit.com.key
[Sat May 28 18:56:17 CEST 2022] The intermediate CA cert is in: /root/.acme.sh/test.alfaexploit.com/ca.cer
[Sat May 28 18:56:17 CEST 2022] And the full chain certs is there: /root/.acme.sh/test.alfaexploit.com/fullchain.cer

#! /bin/sh
#
# $FreeBSD$
#

# PROVIDE: vnc
# REQUIRE: DAEMON
# KEYWORD: shutdown 

. /etc/rc.subr

name="vnc"
extra_commands="status"
username="kr0m"

start_cmd="${name}_start"
stop_cmd="${name}_stop"
status_cmd="${name}_status"

vnc_start(){
    PID=$(ps -U ${username}|grep Xvfb|grep -v grep|awk '{print$1}')
    if [ -z $PID ]; then
        echo "Starting service: Xvfb"
        /bin/rm /tmp/.X*-lock 2>/dev/null
        /usr/bin/su -l ${username} -c '/usr/bin/nohup /usr/local/bin/Xvfb :0 > /dev/null 2>&1 &' 1>/dev/null
    else
        echo "Service: Xvfb already started"
    fi

    PID=$(ps -U ${username}|grep x11vnc|grep -v grep|awk '{print$1}')
    if [ -z $PID ]; then
        echo "Starting service: X11vnc"
        /usr/bin/su -l ${username} -c '/usr/bin/nohup /usr/local/bin/x11vnc -usepw -rfbport 5901 -display :0 -noshm -forever -shared > /dev/null 2>&1 &' 1>/dev/null
    else
        echo "Service: x11vnc already started"
    fi

    PID=$(ps -U ${username}|grep xfce4-session|grep -v grep|awk '{print$1}'|sort|head -n 1)
    if [ -z $PID ]; then
        echo "Starting service: XFCE"
        /usr/bin/su -l ${username} -c 'export DISPLAY=:0 && /usr/bin/nohup /usr/local/bin/startxfce4 > /dev/null 2>&1 &' 1>/dev/null
    else
        echo "Service: x11vnc already started"
    fi

    # WEBSOCKIFY launches more than one thread in that way we have to check the number of running threads
    WEBSOCKIFY_N=$(ps -U root|grep websockify|grep -v grep|wc -l|awk '{print$1}')
    if [ $WEBSOCKIFY_N -eq 0 ]; then
        echo "Starting service: Websockify"
        PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin
        /usr/bin/nohup /usr/local/bin/bash /usr/local/libexec/novnc/utils/novnc_proxy --vnc 192.168.69.56:5901 --cert /root/.acme.sh/test.alfaexploit.com/fullchain.cer --key /root/.acme.sh/test.alfaexploit.com/test.alfaexploit.com.key --listen 5900 --ssl-only > /dev/null 2>&1 & 1>/dev/null
    else
        echo "Service: Websockify already started"
    fi
    
    /bin/rm /home/${username}/nohup.out 2>/dev/null
    /bin/rm /root/nohup.out 2>/dev/null
}

vnc_stop(){
    PID=$(ps -U ${username}|grep Xvfb|grep -v grep|awk '{print$1}')
    if [ -z $PID ]; then
        echo "It appears Xvfb is not running."
    else
        echo "Stopping service: Xvfb/X11vnc/XFCE"
        kill -s INT $PID
        sleep 3
    fi

    # WEBSOCKIFY launches more than one thread in that way we have to check the number of running threads
    WEBSOCKIFY_N=$(ps -U root|grep websockify|grep -v grep|wc -l|awk '{print$1}')
    if [ $WEBSOCKIFY_N -eq 0 ]; then
        echo "It appears Websockify is not running."
    else
        echo "Stopping service: Websockify"
        for PID in $(ps -U root|grep websockify|grep -v grep|awk '{print$1}'); do
                kill -s INT $PID
        done
        sleep 3
    fi
}

vnc_status(){
    PID=$(ps -U ${username}|grep Xvfb|grep -v grep|awk '{print$1}')
    if [ -z $PID ]; then
        echo "Xvfb is not running."
    else
        echo "Xvfb running with PID: $PID"
    fi

    PID=$(ps -U ${username}|grep x11vnc|grep -v grep|awk '{print$1}')
    if [ -z $PID ]; then
        echo "x11vnc is not running."
    else
        echo "X11vnc running with PID: $PID"
    fi

    PID=$(ps -U ${username}|grep xfce4-session|grep -v grep|awk '{print$1}'|sort|head -n 1)
    if [ -z $PID ]; then
        echo "XFCE is not running."
    else
        echo "XFCE running with PID: $PID"
    fi

    # WEBSOCKIFY launches more than one thread in that way we have to check the number of running threads
    WEBSOCKIFY_N=$(ps -U root|grep websockify|grep -v grep|wc -l|awk '{print$1}')
    if [ $WEBSOCKIFY_N -eq 0 ]; then
        echo "Websockify is not running."
    else
        echo "Websockify running with PIDS:"
        for PID in $(ps -U root|grep websockify|grep -v grep|awk '{print$1}'); do
                echo "PID: $PID"
        done
        sleep 3
    fi
}

load_rc_config ${name}
run_rc_command "$1"