ipinfo.sh

#!/bin/bash

# Check if -r flag is set
if [[ "$1" == "-r" || "$2" == "-r" ]]; then
    netstat -nr | sed -e '1,3d;/Internet6:/,$d;/^$/d'
    exit 0
fi

# Get interface names
network_info=$(networksetup -listnetworkserviceorder | grep -E '\(Hardware Port: .+, Device: .+\)')

# Loop through all interfaces found by ifconfig
for iface in $(ifconfig -l); do
    inet_lines=$(ifconfig $iface | grep -E "inet [0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")

    # Check if the interface has an IP, if not, continue the loop
    [ -z "$inet_lines" ] && ip_main="not configured" || ip_main=$(echo "$inet_lines" | awk "NR==1 {print \$2}")

    # Extract the interface name from network_info
    iface_name=$(echo "$network_info" | grep "$iface" | awk -F', ' '{print $1}' | awk -F')' '{print $1}' | awk -F'(' '{print $2}')

    # Assign "Local Loopback" to lo0 or 127.0.0.1
    if [[ "$iface" == "lo0" || "$ip_main" == "127.0.0.1" ]]; then
        iface_name="Local Loopback"
    fi

    # Assign "VPN" to unconfigured tun interfaces
    if [[ -z "$iface_name" && "$iface" == utun* && "$ip_main" == "not configured" ]]; then
        iface_name="VPN"
    fi

    # Check if the interface is disabled
    iface_status=$(networksetup -getnetworkserviceenabled "$iface_name" 2>/dev/null)
    [ "$iface_status" == "Disabled" ] && status="disabled" || status="enabled"

    # Check if the -a flag is set
    if [[ "$1" == "-a" || "$ip_main" != "not configured" ]]; then
        # Print the information
        echo "Interface: $iface"
        echo "Interface name: $iface_name"
        echo "Status: $status"
        echo "IP principal: $ip_main"
        echo ""
    fi
done