Add function to detect available addresses for dispatching

utils.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"net"
+)
+
+/*
+Detect the addresses which can  be used for dispatching in non-tunnelling mode.
+Alternate to ipconfig/ifconfig
+*/
+func detect_interfaces() (map[string]string, error) {
+	fmt.Println("--- Listing the available adresses for dispatching")
+	ifaces, _ := net.Interfaces()
+
+	if len(ifaces) == 0 {
+		fmt.Println("No interfaces found")
+		return nil, nil
+	}
+
+	dict := map[string]string{}
+
+	for _, iface := range ifaces {
+		if (iface.Flags&net.FlagUp == net.FlagUp) && (iface.Flags&net.FlagLoopback != net.FlagLoopback) {
+			addrs, _ := iface.Addrs()
+			for _, addr := range addrs {
+				if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+					if ipnet.IP.To4() != nil {
+						fmt.Printf("[+] %s, IPv4:%s\n", iface.Name, ipnet.IP.String())
+						dict[iface.Name] = ipnet.IP.String()
+					}
+				}
+			}
+		}
+	}
+	return dict, nil
+
+}