#!/bin/bash

interface=wlo1
mac=6c:88:14:f9:6f:78
timestamp=$(date +%Y-%m-%d_%H:%M:%S.%6N)

bridged-network {
# Define the physical bridged network
cat > ifcfg-$interface <<EOF
DEVICE=wlol
HWADDR=$mac
ONBOOT=yes
BRIDGE=br0
NM_CONTROLLED=no
EOF
}

bridged-device () {
    # Define the bridged network
    cat > ifcfg-br0 <<EOF
DEVICE=br0
TYPE=Bridge
BOOTPROTO=dhcp
ONBOOT=yes
DELAY=0
NM_CONTROLLED=no
EOF
    service network restart
}

# Disable the netfilter on the bridged network
if test -f /etc/sysctl.conf; then
    cp /etc/sysctl.conf /etc/sysctl.conf-$timestamp.bak
fi

echo "net.bridge.bridge-nf-call-ip6tables = 0" >> /etc/sysctl.conf
echo "net.bridge.bridge-nf-call-iptables = 0" >> /etc/sysctl.conf
echo "net.bridge.bridge-nf-call-arptables = 0" >> /etc/sysctl.conf

sysctl -p /etc/sysctl.conf

# Define the bridged network traffic forwarding firewall rule
if test -f /etc/sysconfig/iptables-forward-bridged; then
    cp /etc/sysconfig/iptables-forward-bridged /etc/sysconfig/iptables-forward-bridged-$timestamp.bak
fi

echo "-I FORWARD -m physdev --physdev-is-bridged -j ACCEPT" >> /etc/sysconfig/iptables-forward-bridged
lokkit --custom-rules=ipv4:filter:/etc/sysconfig/iptables-forward-bridged
service libvirtd reload

exit 0