Add IPBlocklist option to Config, and test it's inherited by DHT

client.go

@@ -463,7 +463,9 @@ func NewClient(cfg *Config) (cl *Client, err error) {
 		cl.torrentDataOpener = cfg.TorrentDataOpener
 	}
 
-	if !cfg.NoDefaultBlocklist {
+	if cfg.IPBlocklist != nil {
+		cl.ipBlockList = cfg.IPBlocklist
+	} else if !cfg.NoDefaultBlocklist {
 		err = cl.setEnvBlocklist()
 		if err != nil {
 			return
@@ -2671,3 +2673,7 @@ func (me *Client) AddTorrentFromFile(filename string) (T Torrent, err error) {
 	T, _, err = me.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
 	return
 }
+
+func (me *Client) DHT() *dht.Server {
+	return me.dHT
+}

client_test.go

@@ -22,7 +22,9 @@ import (
 	"github.com/anacrolix/torrent/bencode"
 	"github.com/anacrolix/torrent/data"
 	"github.com/anacrolix/torrent/data/blob"
+	"github.com/anacrolix/torrent/dht"
 	"github.com/anacrolix/torrent/internal/testutil"
+	"github.com/anacrolix/torrent/iplist"
 	"github.com/anacrolix/torrent/metainfo"
 )
 
@@ -445,3 +447,15 @@ func TestResponsive(t *testing.T) {
 	assert.EqualValues(t, 2, n)
 	assert.EqualValues(t, "d\n", string(b))
 }
+
+func TestDHTInheritBlocklist(t *testing.T) {
+	ipl := iplist.New(nil)
+	require.NotNil(t, ipl)
+	cl, err := NewClient(&Config{
+		IPBlocklist: iplist.New(nil),
+		DHTConfig:   &dht.ServerConfig{},
+	})
+	require.NoError(t, err)
+	defer cl.Close()
+	require.Equal(t, ipl, cl.DHT().IPBlocklist())
+}

config.go

@@ -2,6 +2,7 @@ package torrent
 
 import (
 	"github.com/anacrolix/torrent/dht"
+	"github.com/anacrolix/torrent/iplist"
 )
 
 // Override Client defaults.
@@ -43,4 +44,6 @@ type Config struct {
 	// are in $REPO/data. If not set, the "file" implementation is used.
 	TorrentDataOpener
 	DisableEncryption bool `long:"disable-encryption"`
+
+	IPBlocklist *iplist.IPList
 }