151 lines
3.2 KiB
Bash
Executable File
151 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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printf "Better to run as root, because of permisions handeling.\n"
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sleep 2
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### Firewall
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printf "Do you want to set up firewall rules by iptables? [Y/n]: \n"
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read ansFirewallSetup
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if [[ "$ansFirewallSetup" =~ ("N"|"n") ]]; then
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printf "+ Thanks, working on next bit\n"
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elif [[ "$ansFirewallSetup" =~ ("Y"|"y") || -z $ansFirewallSetup ]]; then
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printf "Do you want to block non-Tailscale ssh connections? [Y/n]: "
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read sshBlockRange
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if [[ "$sshBlockRange" =~ ("n"|"N") ]]; then
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printf "If you want input your own IP range [N/range]\n"
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read sshRange
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if [[ "$sshRange" =~ ("n"|"N") || -z $sshRange ]]; then
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printf "+ Making your SSH connections wide and open. Think about it. /n"
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ipList="*"
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else
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printf "+ Accepting SSH connections only on these ip's: $sshRange\n"
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ipList="$sshRange"
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fi
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fi
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### Update
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sleep 2
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apt update && apt upgrade -y
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apt install openjdk-17-jre-headless screen
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if [[ "$ansFirewallSetup" =~ ("Y"|"y") || -z $ansFirewallSetup ]]; then
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apt install iptables -y
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fi
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### User managment
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groupadd velocity
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useradd --system --shell /usr/sbin/nologin --home /opt/velocity -g velocity velocity
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### File structure
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mkdir /opt/velocity
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mv data/velocity*.jar start.sh /opt/velocity/
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mkdir /opt/velocity/plugins
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mv data/Ambassador*.jar /opt/velocity/plugins
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mv data/velocity.toml /opt/velocity/
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mv data/forwarding.secret /opt/velocity/
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### Permisions
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chown -R velocity:velocity /opt/velocity/
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### SystemD service ### needs update
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printf "+ Preparign systemD service\n"
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mv data/mc-forge.service /etc/systemd/system/
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systemctl daemon-reload
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### integration of Maxopoly's instructions on firewall ### needs update
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if [[ "$ansFirewallSetup" =~ ("Y"|"y") || -z "$ansFirewallSetup" ]]; then
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printf "+ Executing firewall setup"
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iptables -P INPUT ACCEPT #Clears existing rules
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iptables -A INPUT -i lo -j ACCEPT #Allow loopback
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #Allow continuing connections
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iptables -A INPUT -p tcp --dport 25577 -j ACCEPT #Allow Velocity port
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if [[ "$ipList" = "*" ]]; then
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### Wide and open
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iiptables -A INPUT -p tcp --dport 22 j ACCEPT
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elif [[! "$ipList" -z ]]; then
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### Manual IP range
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iptables -A INPUT -p tcp --dport 22 --source $ipList -j ACCEPT
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fi
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iptables -L ### Good place to paste a manual check to not lock yourself out
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printf "\n Does it looks right? [Y/n]: "
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read ansFirewallOK
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if [[ "$ansFirewallOK" =~ ("Y"|"y") || -z "$ansFirewallOK" ]]; then
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iptables -P INPUT DROP #Disallow everythink else
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iptables -P FORWARD DROP #Block all forwarding
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iptables -P OUTPUT ACCEPT #Allow all outgouing
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apt install iptables-persistent -y
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else
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printf "\nOK it is time for manual configuration"
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printf "\nAfter you are done ramamber to run 'apt install iptables-persistent' to save your config. System will automaticly remove your work after restart"
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fi
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fi
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### Start service ### needs update
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printf "Do you want to start server right now? [Y/n]: \n"
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read startServer
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if [[ "$startServer" =~ ("y"|"Y") || -z $startServer ]]; then
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systemctl start mc-forge.serice
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fi
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systemctl enable mc-forge
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### needs update
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printf "\nsystemctl status mc-forge"
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printf "\nsu velocity -s /bin/bash"
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