remove deprecated github.com/mdlayher/raw

go.mod

@@ -24,9 +24,6 @@ require (
 	github.com/mdlayher/ethernet v0.0.0-20220221185849-529eae5b6118
 	github.com/mdlayher/netlink v1.7.2
 	github.com/mdlayher/packet v1.1.2
-	// TODO(a.garipov): This package is deprecated; find a new one or use our
-	// own code for that.  Perhaps, use gopacket.
-	github.com/mdlayher/raw v0.1.0
 	github.com/miekg/dns v1.1.61
 	github.com/quic-go/quic-go v0.47.0
 	github.com/stretchr/testify v1.9.0

internal/dhcpd/conn_bsd.go

@@ -16,18 +16,16 @@ import (
 	"github.com/insomniacslk/dhcp/dhcpv4"
 	"github.com/insomniacslk/dhcp/dhcpv4/server4"
 	"github.com/mdlayher/ethernet"
-
-	//lint:ignore SA1019 See the TODO in go.mod.
-	"github.com/mdlayher/raw"
+	"github.com/mdlayher/packet"
 )
 
 // dhcpUnicastAddr is the combination of MAC and IP addresses for responding to
 // the unconfigured host.
 type dhcpUnicastAddr struct {
-	// raw.Addr is embedded here to make *dhcpUcastAddr a net.Addr without
+	// packet.Addr is embedded here to make *dhcpUcastAddr a net.Addr without
 	// actually implementing all methods.  It also contains the client's
 	// hardware address.
-	raw.Addr
+	packet.Addr
 
 	// yiaddr is an IP address just allocated by server for the host.
 	yiaddr net.IP
@@ -53,7 +51,7 @@ type dhcpConn struct {
 // newDHCPConn creates the special connection for DHCP server.
 func (s *v4Server) newDHCPConn(iface *net.Interface) (c net.PacketConn, err error) {
 	var ucast net.PacketConn
-	if ucast, err = raw.ListenPacket(iface, uint16(ethernet.EtherTypeIPv4), nil); err != nil {
+	if ucast, err = packet.Listen(iface, packet.Raw, int(ethernet.EtherTypeIPv4), nil); err != nil {
 		return nil, fmt.Errorf("creating raw udp connection: %w", err)
 	}
 
@@ -259,7 +257,7 @@ func (s *v4Server) send(peer net.Addr, conn net.PacketConn, req, resp *dhcpv4.DH
 		// Unicast DHCPOFFER and DHCPACK messages to the client's hardware
 		// address and yiaddr.
 		peer = &dhcpUnicastAddr{
-			Addr:   raw.Addr{HardwareAddr: req.ClientHWAddr},
+			Addr:   packet.Addr{HardwareAddr: req.ClientHWAddr},
 			yiaddr: resp.YourIPAddr,
 		}
 	default:

internal/dhcpd/conn_bsd_internal_test.go

@@ -3,6 +3,7 @@
 package dhcpd
 
 import (
+	"github.com/mdlayher/packet"
 	"net"
 	"testing"
 
@@ -12,9 +13,6 @@ import (
 	"github.com/insomniacslk/dhcp/dhcpv4"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-
-	//lint:ignore SA1019 See the TODO in go.mod.
-	"github.com/mdlayher/raw"
 )
 
 func TestDHCPConn_WriteTo_common(t *testing.T) {
@@ -57,7 +55,7 @@ func TestBuildEtherPkt(t *testing.T) {
 		srcIP:  net.IP{1, 2, 3, 4},
 	}
 	peer := &dhcpUnicastAddr{
-		Addr:   raw.Addr{HardwareAddr: net.HardwareAddr{6, 5, 4, 3, 2, 1}},
+		Addr:   packet.Addr{HardwareAddr: net.HardwareAddr{6, 5, 4, 3, 2, 1}},
 		yiaddr: net.IP{4, 3, 2, 1},
 	}
 	payload := (&dhcpv4.DHCPv4{}).ToBytes()
@@ -102,7 +100,7 @@ func TestBuildEtherPkt(t *testing.T) {
 	t.Run("serializing_error", func(t *testing.T) {
 		// Create a peer with invalid MAC.
 		badPeer := &dhcpUnicastAddr{
-			Addr:   raw.Addr{HardwareAddr: net.HardwareAddr{5, 4, 3, 2, 1}},
+			Addr:   packet.Addr{HardwareAddr: net.HardwareAddr{5, 4, 3, 2, 1}},
 			yiaddr: net.IP{4, 3, 2, 1},
 		}
 
@@ -165,7 +163,7 @@ func TestV4Server_Send(t *testing.T) {
 		req:  &dhcpv4.DHCPv4{ClientHWAddr: knownMAC},
 		resp: &dhcpv4.DHCPv4{YourIPAddr: knownIP},
 		want: &dhcpUnicastAddr{
-			Addr:   raw.Addr{HardwareAddr: knownMAC},
+			Addr:   packet.Addr{HardwareAddr: knownMAC},
 			yiaddr: knownIP,
 		},
 	}, {