Go: Match any interfaces/IP address for the corresponding CIDR provided

match_ip.go

package main

import (
	"net"
	"fmt"
)

func matchCIDR(in_cidr string) (bool) {

	_, in_net, err := net.ParseCIDR(in_cidr)
	if err != nil {
		fmt.Printf("Invalid CIDR parsed")
		return false
	}
	ifaces, err := net.Interfaces()
	if err != nil {
		fmt.Printf("Interfaces returned empty")
		return false
	}
	for _, i := range ifaces {
	    addrs, err := i.Addrs()
		if err != nil {
			fmt.Printf("Address for interface gave error")
			continue
		}
	    for _, addr := range addrs {
	    	ip, ipnet, err  := net.ParseCIDR(addr.String())
	    	if err != nil {
	    		continue
	    	}
			if ip.To4() == nil {
				continue
			}
			if ipnet.String() == in_net.String() {
				fmt.Printf("Incoming CIDR matched with Intf:%s IP:%s\n", i.Name, ip.String())
				return true
			}
	    }
	}
	return false
}
func main() {

	var in_cidr string = "192.168.0.1/24"

	if matchCIDR(in_cidr) {
		fmt.Println("Matched")
	} else {
		fmt.Printf("No networks matched the current system for the network %s\n", in_cidr)
	}

}