fix: refactored routing logic (fixes #701)

network/net_darwin.go

@@ -13,23 +13,8 @@ import (
 
 const airPortPath = "/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport"
 
-var IPv4RouteParser = regexp.MustCompile(`([^\s]+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+).*`)
-var IPv4RouteTokens = 5
-var IPv4RouteCmd = "netstat"
-var IPv4RouteCmdOpts = []string{"-n", "-r"}
 var WiFiChannelParser = regexp.MustCompile(`(?m)^.*Supported Channels: (.*)$`)
 
-func IPv4RouteIsGateway(ifname string, tokens []string, f func(gateway string) (*Endpoint, error)) (*Endpoint, error) {
-	flags := tokens[3]
-	ifname2 := tokens[4]
-	if ifname == ifname2 && flags == "UGSc" {
-		gateway := tokens[2]
-		return f(gateway)
-	}
-
-	return nil, nil
-}
-
 // see Windows version to understand why ....
 func getInterfaceName(iface net.Interface) string {
 	return iface.Name