make vendor firlds exportable

Author: shadowy-pycoder

layers/arp.go

@@ -47,8 +47,8 @@ type ARPPacket struct {
 	// In an ARP reply this field is used to indicate the address of the host that originated the ARP request.
 	TargetMAC net.HardwareAddr
 	TargetIP  netip.Addr // Internetwork address of the intended receiver.
-	dstVendor string
-	srcVendor string
+	DstVendor string
+	SrcVendor string
 }
 
 func NewARPPacket(
@@ -75,8 +75,8 @@ func NewARPPacket(
 		SenderIP:         senderIP,
 		TargetMAC:        targetMAC,
 		TargetIP:         targetIP,
-		dstVendor:        oui.VendorWithMAC(targetMAC),
-		srcVendor:        oui.VendorWithMAC(senderMAC),
+		DstVendor:        oui.VendorWithMAC(targetMAC),
+		SrcVendor:        oui.VendorWithMAC(senderMAC),
 	}, nil
 }
 
@@ -100,10 +100,10 @@ func (ap *ARPPacket) String() string {
 		ap.Plen,
 		ap.Op,
 		ap.SenderMAC,
-		ap.srcVendor,
+		ap.SrcVendor,
 		ap.SenderIP,
 		ap.TargetMAC,
-		ap.dstVendor,
+		ap.DstVendor,
 		ap.TargetIP,
 	)
 }
@@ -175,8 +175,8 @@ func (ap *ARPPacket) UnmarshalBinary(data []byte) error {
 	if !ok {
 		return fmt.Errorf("failed parsing target IP address")
 	}
-	ap.dstVendor = oui.VendorWithMAC(ap.TargetMAC)
-	ap.srcVendor = oui.VendorWithMAC(ap.SenderMAC)
+	ap.DstVendor = oui.VendorWithMAC(ap.TargetMAC)
+	ap.SrcVendor = oui.VendorWithMAC(ap.SenderMAC)
 	return nil
 }
 

layers/ethernet.go

@@ -35,8 +35,8 @@ type EthernetFrame struct {
 	SrcMAC    net.HardwareAddr // MAC address of the source device.
 	EtherType *EthernetType    // The protocol of the upper layer.
 	Payload   []byte
-	dstVendor string
-	srcVendor string
+	DstVendor string
+	SrcVendor string
 }
 
 func NewEthernetFrame(dstMAC, srcMAC net.HardwareAddr, et EtherType, payload []byte) (*EthernetFrame, error) {
@@ -48,8 +48,8 @@ func NewEthernetFrame(dstMAC, srcMAC net.HardwareAddr, et EtherType, payload []b
 		SrcMAC:    srcMAC,
 		EtherType: &EthernetType{Val: et, Desc: ethertypedesc(et)},
 		Payload:   payload,
-		dstVendor: oui.VendorWithMAC(dstMAC),
-		srcVendor: oui.VendorWithMAC(srcMAC),
+		DstVendor: oui.VendorWithMAC(dstMAC),
+		SrcVendor: oui.VendorWithMAC(srcMAC),
 	}, nil
 }
 
@@ -62,16 +62,16 @@ func (ef *EthernetFrame) String() string {
 %s`,
 		ef.Summary(),
 		ef.DstMAC,
-		ef.dstVendor,
+		ef.DstVendor,
 		ef.SrcMAC,
-		ef.srcVendor,
+		ef.SrcVendor,
 		ef.EtherType,
 		len(ef.Payload),
 		hex.Dump(ef.ToBytes()))
 }
 
 func (ef *EthernetFrame) Summary() string {
-	return fmt.Sprintf("Ethernet Frame: Src MAC: %s →  Dst MAC: %s", ef.srcVendor, ef.dstVendor)
+	return fmt.Sprintf("Ethernet Frame: Src MAC: %s →  Dst MAC: %s", ef.SrcVendor, ef.DstVendor)
 }
 
 func (ef *EthernetFrame) MarshalBinary() ([]byte, error) {
@@ -98,8 +98,8 @@ func (ef *EthernetFrame) UnmarshalBinary(data []byte) error {
 	etdesc := ethertypedesc(et)
 	ef.EtherType = &EthernetType{Val: et, Desc: etdesc}
 	ef.Payload = data[headerSizeEthernet:]
-	ef.dstVendor = oui.VendorWithMAC(ef.DstMAC)
-	ef.srcVendor = oui.VendorWithMAC(ef.SrcMAC)
+	ef.DstVendor = oui.VendorWithMAC(ef.DstMAC)
+	ef.SrcVendor = oui.VendorWithMAC(ef.SrcMAC)
 	return nil
 }