adding gateway routes for peers

netclient/local/routes_freebsd.go

@@ -8,6 +8,32 @@ import (
 	"github.com/gravitl/netmaker/netclient/ncutils"
 )
 
+// GetDefaultRoute - Gets the default route (ip and interface) on a freebsd machine
+func GetDefaultRoute() (string, string, error) {
+	var ipaddr string
+	var iface string
+	var err error
+
+	output, err := ncutils.RunCmd("route show default", true)
+	if err != nil {
+		return ipaddr, iface, err
+	}
+	outFormatted := strings.ReplaceAll(output, "\n", "")
+	if !strings.Contains(outFormatted, "default") && !strings.Contains(outFormatted, "interface:") {
+		return ipaddr, iface, fmt.Errorf("could not find default gateway")
+	}
+	outputSlice := strings.Split(string(outFormatted), " ")
+	for i, outString := range outputSlice {
+		if outString == "gateway:" {
+			ipaddr = outputSlice[i+1]
+		}
+		if outString == "interface:" {
+			iface = outputSlice[i+1]
+		}
+	}
+	return ipaddr, iface, err
+}
+
 func setRoute(iface string, addr *net.IPNet, address string) error {
 	var err error
 	_, _ = ncutils.RunCmd("route add -net "+addr.String()+" -interface "+iface, false)