135 lines
No EOL
4.2 KiB
Bash
135 lines
No EOL
4.2 KiB
Bash
#!/bin/bash
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# Unraid Network Configuration Script
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# This script configures game server routing through Tailscale
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# Color codes for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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# Configuration variables
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TAILSCALE_INTERFACE="tailscale1"
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WAN_INTERFACE="br0"
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VPS_IP="YOUR_VPS_IP" # Replace with your Dallas VPS public IP
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GAME_SUBNET="172.17.0.0/16" # docker0 network
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# Function to check if script is run as root
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check_root() {
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if [ "$EUID" -ne 0 ]; then
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echo -e "${RED}Error: This script must be run as root${NC}"
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exit 1
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fi
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}
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# Function to check if Tailscale is installed
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check_tailscale() {
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if ! command -v tailscale &> /dev/null; then
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echo -e "${RED}Error: Tailscale is not installed${NC}"
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exit 1
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fi
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}
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# Function to fix routing
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fix_routing() {
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echo -e "${YELLOW}Fixing routing table...${NC}"
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# Delete Tailscale's default route if it exists
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ip route del 0.0.0.0/0 dev tailscale1 2>/dev/null
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# Ensure br0 is the default route
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local DEFAULT_GATEWAY=$(ip route | grep br0 | grep default | awk '{print $3}')
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ip route add default via $DEFAULT_GATEWAY dev br0
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# Add specific route for VPS through Tailscale
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local TAILSCALE_NET=$(ip route | grep tailscale1 | awk '{print $1}')
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ip route add $VPS_IP via $TAILSCALE_NET dev tailscale1
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# Save current routing config
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echo "#!/bin/bash" > /boot/config/routing.sh
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echo "ip route del 0.0.0.0/0 dev tailscale1 2>/dev/null" >> /boot/config/routing.sh
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echo "ip route add default via $DEFAULT_GATEWAY dev br0" >> /boot/config/routing.sh
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echo "ip route add $VPS_IP via $TAILSCALE_NET dev tailscale1" >> /boot/config/routing.sh
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chmod +x /boot/config/routing.sh
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echo -e "${GREEN}Routing table fixed successfully${NC}"
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}
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# Function to configure iptables
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configure_iptables() {
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echo -e "${YELLOW}Configuring iptables rules...${NC}"
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# Clear existing rules
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iptables -F
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iptables -t nat -F
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# Set default policies
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iptables -P INPUT ACCEPT
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iptables -P FORWARD ACCEPT
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iptables -P OUTPUT ACCEPT
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# Allow established connections
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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# UDP Ports for game servers
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for port in 8766 8767 16261 19132; do
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iptables -A INPUT -p udp --dport $port -j ACCEPT
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iptables -A FORWARD -p udp --dport $port -j ACCEPT
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done
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# TCP Port ranges for game servers
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iptables -A INPUT -p tcp -m multiport --dports 16262,27015:27050,25500:25600 -j ACCEPT
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iptables -A FORWARD -p tcp -m multiport --dports 16262,27015:27050,25500:25600 -j ACCEPT
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# Route game subnet traffic through Tailscale
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iptables -t nat -A POSTROUTING -s $GAME_SUBNET -d $VPS_IP -o $TAILSCALE_INTERFACE -j MASQUERADE
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# Allow other Docker traffic through br0
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iptables -t nat -A POSTROUTING -o $WAN_INTERFACE -j MASQUERADE
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echo -e "${GREEN}iptables rules configured successfully${NC}"
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}
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# Function to make settings persistent
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make_persistent() {
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echo -e "${YELLOW}Making settings persistent...${NC}"
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# Save iptables rules
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mkdir -p /boot/config/iptables
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iptables-save > /boot/config/iptables/rules.v4
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# Create restore script
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echo "#!/bin/bash" > /boot/config/iptables/restore.sh
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echo "iptables-restore < /boot/config/iptables/rules.v4" >> /boot/config/iptables/restore.sh
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chmod +x /boot/config/iptables/restore.sh
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# Add to go script if not already present
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if ! grep -q "/boot/config/routing.sh" /boot/config/go; then
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echo "/boot/config/routing.sh" >> /boot/config/go
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fi
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if ! grep -q "/boot/config/iptables/restore.sh" /boot/config/go; then
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echo "/boot/config/iptables/restore.sh" >> /boot/config/go
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fi
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echo -e "${GREEN}Settings made persistent${NC}"
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}
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# Main execution
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main() {
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echo -e "${YELLOW}Starting Unraid network configuration...${NC}"
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check_root
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check_tailscale
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fix_routing
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configure_iptables
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make_persistent
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echo -e "${GREEN}Network configuration completed successfully${NC}"
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echo -e "${YELLOW}Please test your docker containers and game server connectivity${NC}"
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}
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# Run main function
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main
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exit 0 |