Merge pull request #156 from negbie/master

Add version flag, don't send unkown hep

config/config.go

@@ -22,6 +22,7 @@ type Config struct {
 	Network       string
 	Protobuf      bool
 	Reassembly    bool
+	Version       bool
 }
 
 type InterfacesConfig struct {

decoder/decoder.go

@@ -404,7 +404,7 @@ func (d *Decoder) processTransport(foundLayerTypes *[]gopacket.LayerType, udp *l
 		}
 	}
 
-	if pkt.Payload != nil {
+	if pkt.ProtoType > 0 && pkt.Payload != nil {
 		PacketQueue <- pkt
 	} else {
 		atomic.AddUint64(&d.unknownCount, 1)

main.go

@@ -11,7 +11,7 @@ import (
 	"github.com/sipcapture/heplify/sniffer"
 )
 
-const version = "heplify 1.55"
+const version = "heplify 1.56"
 
 func createFlags() {
 
@@ -62,6 +62,7 @@ func createFlags() {
 	flag.StringVar(&config.Cfg.Network, "nt", "udp", "Network types are [udp, tcp, tls]")
 	flag.BoolVar(&config.Cfg.Protobuf, "protobuf", false, "Use Protobuf on wire")
 	flag.BoolVar(&config.Cfg.Reassembly, "tcpassembly", false, "If true, tcpassembly will be enabled")
+	flag.BoolVar(&config.Cfg.Version, "version", false, "Show heplify version")
 	flag.Parse()
 
 	config.Cfg.Iface = &ifaceConfig
@@ -96,6 +97,11 @@ func checkCritErr(err error) {
 func main() {
 	createFlags()
 
+	if config.Cfg.Version {
+		fmt.Println(version)
+		os.Exit(0)
+	}
+
 	err := logp.Init("heplify", config.Cfg.Logging)
 	checkCritErr(err)