Merras Security

Go back

#!/bin/bash
            # Copyright (C) 2024 Merras
            # Made by Merras.

check_existing_configuration() {
                echo "Checking for existing configuration..."
                echo
                if grep -q "enp0s3\|enp0s8\|address" /etc/network/interfaces; then
                    echo "Existing configuration detected for enp0s3 or enp0s8 in /etc/network/interfaces."
                    echo "Do you want to remove the existing configuration and reconfigure? (y/n)"
                    read remove_config
                    if [ "$remove_config" == "y" -o "$remove_config" == "Y" ]; then
                        echo "Removing existing configuration..."
                        sed -i '/enp0s3\|enp0s8\|address/d' /etc/network/interfaces
                        echo
                    else
                        echo "Keeping existing configuration. Exiting."
                        echo
                        exit 0
                    fi
                else
                    echo "No existing configuration found."
                    echo
                fi
            }

check_existing_configuration

echo "Welcome to Network Configuration."
            echo
            echo "Would you like to configure Static (s) or Public (p) Network?"
            echo
            read spn

exit=true
            apt install pv -y >/dev/null 2>&1
            while $exit; do
                if [ "$spn" == "s" -o "$spn" == "S" ]; then
                            echo "Put the IP address for your static network:"
                            read ip
                            echo
                            echo "Put the MASK for your IP address with slash:"
                            read mask
                            echo ""
                            echo "auto enp0s8" >> /etc/network/interfaces
                            echo "iface enp0s8 inet static" >> /etc/network/interfaces
                            echo "    address $ip$mask" >> /etc/network/interfaces
                            yes | pv -SpeL1 -s 15 > /dev/null
                            systemctl restart networking >/dev/null 2>&1
                            echo "Almost done..."
                            sleep 5
                            echo "IP: $ip$mask succesfully configured."
                            echo ""
                            echo "Do you want to exit (e) or configure a public address (p)?"
                            read response
                            if [ $response == "p" -o $response == "P" ]; then
                                    echo "Configuring public IP"
                                    echo ""
                                    echo "" >> /etc/network/interfaces
                                    echo "auto enp0s3" >> /etc/network/interfaces
                                    echo "iface enp0s3 inet dhcp" >> /etc/network/interfaces
                                    yes | pv -SpeL1 -s 15 > /dev/null
                                    systemctl restart networking >/dev/null 2>&1
                                    echo "Almost done..."
                                    sleep 5
                                    echo "Public IP succesfully configured."
                                    exit=false
                            else
                                    if [ $response == "e" -o $response == "E" ]; then
                                            echo "exiting..."
                                            exit=false
                                    fi
                            fi
                elif [ "$spn" == "p" -o "$spn" == "P" ]; then
                            if [ $spn == "p" -o $spn == "P" ]; then
                                    echo "Configuring public IP"
                                    echo ""
                                    echo "auto enp0s3" >> /etc/network/interfaces
                                    echo "iface enp0s3 inet dhcp" >> /etc/network/interfaces
                                    yes | pv -SpeL1 -s 15 > /dev/null
                                    systemctl restart networking >/dev/null 2>&1
                                    echo "Almost done..."
                                    sleep 5
                                    echo "Public IP succesfully configured."
                                    echo ""
                                    echo "Do you want to exit (e) or configure a private address (p)?"
                                    read response
                                    if [ $response == "p" -o $response == "P" ]; then
                                            echo "Put the IP address for your static network:"
                                            read ip
                                            echo
                                            echo "Put the MASK for your IP address with slash:"
                                            read mask
                                            echo ""
                                            echo "auto enp0s8" >> /etc/network/interfaces
                                            echo "iface enp0s8 inet static" >> /etc/network/interfaces
                                            echo "    address $ip$mask" >> /etc/network/interfaces
                                            yes | pv -SpeL1 -s 15 > /dev/null
                                            systemctl restart networking >/dev/null 2>&1
                                            echo "Almost done..."
                                            sleep 5
                                            echo "IP: $ip$mask succesfully configured."
                                            exit=false
                                    else
                                            if [ $response == "e" -o $response == "E" ]; then
                                                    echo "exiting..."
                                                    exit=false
                                            fi
                                    fi
                            fi
                else
                    echo "Invalid choice. Please select 's' for Static or 'p' for Public."
                fi
            done