#!/bin/bash
#25/01/2021
clear
clear
SCPdir="/etc/VPS-MX"
SCPfrm="${SCPdir}/herramientas" && [[ ! -d ${SCPfrm} ]] && exit
SCPinst="${SCPdir}/protocolos"&& [[ ! -d ${SCPinst} ]] && exit
declare -A cor=( [0]="\033[1;37m" [1]="\033[1;34m" [2]="\033[1;31m" [3]="\033[1;33m" [4]="\033[1;32m" )
mportas () {
unset portas
portas_var=$(lsof -V -i tcp -P -n | grep -v "ESTABLISHED" |grep -v "COMMAND" | grep "LISTEN")
while read port; do
var1=$(echo $port | awk '{print $1}') && var2=$(echo $port | awk '{print $9}' | awk -F ":" '{print $2}')
[[ "$(echo -e $portas|grep "$var1 $var2")" ]] || portas+="$var1 $var2\n"
done <<< "$portas_var"
i=1
echo -e "$portas"
}
fun_ip () {
if [[ -e /etc/VPS-MX/MEUIPvps ]]; then
IP="$(cat /etc/VPS-MX/MEUIPvps)"
else
MEU_IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
MEU_IP2=$(wget -qO- ipv4.icanhazip.com)
[[ "$MEU_IP" != "$MEU_IP" ]] && IP="$MEU_IP2" || IP="$MEU_IP"
echo "$MEU_IP" > /etc/VPS-MX/MEUIPvps
fi
}
fun_eth () {
eth=$(ifconfig | grep -v inet6 | grep -v lo | grep -v 127.0.0.1 | grep "encap:Ethernet" | awk '{print $1}')
    [[ $eth != "" ]] && {
    msg -bar
    echo -e "${cor[3]} $(fun_trans "Aplicar Mejoras Para Mejorar Paquetes SSH?")"
    echo -e "${cor[3]} $(fun_trans "Opcion Para Usuarios Avanzados")"
    msg -bar
    read -p " [S/N]: " -e -i n sshsn
           [[ "$sshsn" = @(s|S|y|Y) ]] && {
           echo -e "${cor[1]} $(fun_trans "Correccion de problemas de paquetes en SSH...")"
           echo -e " $(fun_trans "Cual es la tasa RX")"
           echo -ne "[ 1 - 999999999 ]: "; read rx
           [[ "$rx" = "" ]] && rx="999999999"
           echo -e " $(fun_trans "Cual es la tasa TX")"
           echo -ne "[ 1 - 999999999 ]: "; read tx
           [[ "$tx" = "" ]] && tx="999999999"
           apt-get install ethtool -y > /dev/null 2>&1
           ethtool -G $eth rx $rx tx $tx > /dev/null 2>&1
           }
     msg -bar
     }
}

fun_bar () {
comando="$1"
 _=$(
$comando > /dev/null 2>&1
) & > /dev/null
pid=$!
while [[ -d /proc/$pid ]]; do
echo -ne " \033[1;33m["
   for((i=0; i<20; i++)); do
   echo -ne "\033[1;31m##"
   sleep 0.8
   done
echo -ne "\033[1;33m]"
sleep 1s
echo
tput cuu1 && tput dl1
done
echo -ne " \033[1;33m[\033[1;31m########################################\033[1;33m] - \033[1;32m100%\033[0m\n"
sleep 1s
}
fun_dropbear () {
 [[ -e /etc/default/dropbear ]] && {
 msg -bar
 echo -e "\033[1;32m $(fun_trans ${id} "REMOVIENDO DROPBEAR")"
 msg -bar
 service dropbear stop & >/dev/null 2>&1
 fun_bar "apt-get remove dropbear -y"
 msg -bar
 echo -e "\033[1;32m $(fun_trans "Dropbear Removido")"
 msg -bar
 [[ -e /etc/default/dropbear ]] && rm /etc/default/dropbear
 return 0
 }
msg -bar
msg -tit
echo -e "\033[1;32m $(fun_trans "   INSTALADOR DROPBEAR")"
msg -bar
echo -e "\033[1;31m $(fun_trans "Seleccione Puertos Validados en orden secuencial:\n")\033[1;32m 22 80 81 82 85 90\033[1;37m"
msg -bar
echo -ne "\033[1;31m $(fun_trans "Digite  Puertos"): \033[1;37m" && read DPORT
tput cuu1 && tput dl1
TTOTAL=($DPORT)
    for((i=0; i<${#TTOTAL[@]}; i++)); do
        [[ $(mportas|grep "${TTOTAL[$i]}") = "" ]] && {
        echo -e "\033[1;33m $(fun_trans  "Puerto Elegido:")\033[1;32m ${TTOTAL[$i]} OK"
        PORT="$PORT ${TTOTAL[$i]}"
        } || {
        echo -e "\033[1;33m $(fun_trans  "Puerto Elegido:")\033[1;31m ${TTOTAL[$i]} FAIL"
        }
   done
  [[  -z $PORT ]] && {
  echo -e "\033[1;31m $(fun_trans  "Ningun Puerto Valida Fue Elegido")\033[0m"
  return 1
  }
sysvar=$(cat -n /etc/issue |grep 1 |cut -d' ' -f6,7,8 |sed 's/1//' |sed 's/      //' | grep -o Ubuntu)
[[ ! $(cat /etc/shells|grep "/bin/false") ]] && echo -e "/bin/false" >> /etc/shells
[[ "$sysvar" != "" ]] && {
echo -e "Port 22
Protocol 2
KeyRegenerationInterval 3600
ServerKeyBits 1024
SyslogFacility AUTH
LogLevel INFO
LoginGraceTime 120
PermitRootLogin yes
StrictModes yes
RSAAuthentication yes
PubkeyAuthentication yes
IgnoreRhosts yes
RhostsRSAAuthentication no
HostbasedAuthentication no
PermitEmptyPasswords no
ChallengeResponseAuthentication no
PasswordAuthentication yes
X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no
AcceptEnv LANG LC_*
Subsystem sftp /usr/lib/openssh/sftp-server
UsePAM yes" > /etc/ssh/sshd_config
msg -bar
echo -e "${cor[2]} $(fun_trans ${id} "Instalando dropbear")"
msg -bar
fun_bar "apt-get install dropbear -y"
apt-get install dropbear -y > /dev/null 2>&1
msg -bar
touch /etc/dropbear/banner
msg -bar
echo -e "${cor[2]} $(fun_trans ${id} "Configurando dropbear")"
cat <<EOF > /etc/default/dropbear
NO_START=0
DROPBEAR_EXTRA_ARGS="VAR"
DROPBEAR_BANNER="/etc/dropbear/banner"
DROPBEAR_RECEIVE_WINDOW=65536
EOF
for dpts in $(echo $PORT); do
sed -i "s/VAR/-p $dpts VAR/g" /etc/default/dropbear
done
sed -i "s/VAR//g" /etc/default/dropbear
} || {
echo -e "Port 22
Protocol 2
KeyRegenerationInterval 3600
ServerKeyBits 1024
SyslogFacility AUTH
LogLevel INFO
LoginGraceTime 120
PermitRootLogin yes
StrictModes yes
RSAAuthentication yes
PubkeyAuthentication yes
IgnoreRhosts yes
RhostsRSAAuthentication no
HostbasedAuthentication no
PermitEmptyPasswords no
ChallengeResponseAuthentication no
PasswordAuthentication yes
X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no
AcceptEnv LANG LC_*
Subsystem sftp /usr/lib/openssh/sftp-server
UsePAM yes" > /etc/ssh/sshd_config
echo -e "${cor[2]} $(fun_trans  "Instalando dropbear")"
msg -bar
fun_bar "apt-get install dropbear -y"
touch /etc/dropbear/banner
msg -bar
echo -e "${cor[2]} $(fun_trans  "Configurando dropbear")"
msg -bar
cat <<EOF > /etc/default/dropbear
NO_START=0
DROPBEAR_EXTRA_ARGS="VAR"
DROPBEAR_BANNER="/etc/dropbear/banner"
DROPBEAR_RECEIVE_WINDOW=65536
EOF
for dpts in $(echo $PORT); do
sed -i "s/VAR/-p $dpts VAR/g" /etc/default/dropbear
done
sed -i "s/VAR//g" /etc/default/dropbear
}
fun_eth &>/dev/null
service ssh restart > /dev/null 2>&1
service dropbear restart > /dev/null 2>&1
echo -e "${cor[3]} $(fun_trans "Su dropbear ha sido configurado con EXITO")"
msg -bar
#UFW
for ufww in $(mportas|awk '{print $2}'); do
ufw allow $ufww > /dev/null 2>&1
done
}
fun_dropbear