mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-28 09:35:17 +00:00
401 lines
12 KiB
Go
401 lines
12 KiB
Go
package swarm
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import (
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"bytes"
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"context"
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"crypto/rand"
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"errors"
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"net"
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"sort"
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"testing"
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"time"
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"github.com/libp2p/go-libp2p/core/crypto"
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"github.com/libp2p/go-libp2p/core/network"
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"github.com/libp2p/go-libp2p/core/peer"
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"github.com/libp2p/go-libp2p/core/peerstore"
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"github.com/libp2p/go-libp2p/core/test"
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"github.com/libp2p/go-libp2p/p2p/host/eventbus"
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"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
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libp2pquic "github.com/libp2p/go-libp2p/p2p/transport/quic"
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"github.com/libp2p/go-libp2p/p2p/transport/quicreuse"
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"github.com/libp2p/go-libp2p/p2p/transport/tcp"
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"github.com/libp2p/go-libp2p/p2p/transport/websocket"
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libp2pwebtransport "github.com/libp2p/go-libp2p/p2p/transport/webtransport"
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"github.com/quic-go/quic-go"
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ma "github.com/multiformats/go-multiaddr"
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madns "github.com/multiformats/go-multiaddr-dns"
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"github.com/stretchr/testify/require"
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)
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func TestAddrsForDial(t *testing.T) {
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mockResolver := madns.MockResolver{IP: make(map[string][]net.IPAddr)}
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ipaddr, err := net.ResolveIPAddr("ip4", "1.2.3.4")
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if err != nil {
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t.Fatal(err)
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}
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mockResolver.IP["example.com"] = []net.IPAddr{*ipaddr}
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resolver, err := madns.NewResolver(madns.WithDomainResolver("example.com", &mockResolver))
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if err != nil {
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t.Fatal(err)
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}
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priv, _, err := crypto.GenerateEd25519Key(rand.Reader)
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require.NoError(t, err)
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id, err := peer.IDFromPrivateKey(priv)
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require.NoError(t, err)
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ps, err := pstoremem.NewPeerstore()
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require.NoError(t, err)
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ps.AddPubKey(id, priv.GetPublic())
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ps.AddPrivKey(id, priv)
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t.Cleanup(func() { ps.Close() })
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tpt, err := websocket.New(nil, &network.NullResourceManager{})
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require.NoError(t, err)
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s, err := NewSwarm(id, ps, eventbus.NewBus(), WithMultiaddrResolver(resolver))
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require.NoError(t, err)
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defer s.Close()
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err = s.AddTransport(tpt)
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require.NoError(t, err)
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otherPeer := test.RandPeerIDFatal(t)
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ps.AddAddr(otherPeer, ma.StringCast("/dns4/example.com/tcp/1234/wss"), time.Hour)
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ctx := context.Background()
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mas, _, err := s.addrsForDial(ctx, otherPeer)
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require.NoError(t, err)
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require.NotZero(t, len(mas))
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}
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func TestDedupAddrsForDial(t *testing.T) {
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mockResolver := madns.MockResolver{IP: make(map[string][]net.IPAddr)}
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ipaddr, err := net.ResolveIPAddr("ip4", "1.2.3.4")
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if err != nil {
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t.Fatal(err)
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}
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mockResolver.IP["example.com"] = []net.IPAddr{*ipaddr}
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resolver, err := madns.NewResolver(madns.WithDomainResolver("example.com", &mockResolver))
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if err != nil {
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t.Fatal(err)
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}
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priv, _, err := crypto.GenerateEd25519Key(rand.Reader)
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require.NoError(t, err)
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id, err := peer.IDFromPrivateKey(priv)
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require.NoError(t, err)
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ps, err := pstoremem.NewPeerstore()
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require.NoError(t, err)
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ps.AddPubKey(id, priv.GetPublic())
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ps.AddPrivKey(id, priv)
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t.Cleanup(func() { ps.Close() })
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s, err := NewSwarm(id, ps, eventbus.NewBus(), WithMultiaddrResolver(resolver))
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require.NoError(t, err)
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defer s.Close()
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tpt, err := tcp.NewTCPTransport(nil, &network.NullResourceManager{})
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require.NoError(t, err)
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err = s.AddTransport(tpt)
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require.NoError(t, err)
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otherPeer := test.RandPeerIDFatal(t)
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ps.AddAddr(otherPeer, ma.StringCast("/dns4/example.com/tcp/1234"), time.Hour)
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ps.AddAddr(otherPeer, ma.StringCast("/ip4/1.2.3.4/tcp/1234"), time.Hour)
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ctx := context.Background()
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mas, _, err := s.addrsForDial(ctx, otherPeer)
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require.NoError(t, err)
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require.Len(t, mas, 1)
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}
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func newTestSwarmWithResolver(t *testing.T, resolver *madns.Resolver) *Swarm {
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priv, _, err := crypto.GenerateEd25519Key(rand.Reader)
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require.NoError(t, err)
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id, err := peer.IDFromPrivateKey(priv)
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require.NoError(t, err)
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ps, err := pstoremem.NewPeerstore()
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require.NoError(t, err)
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ps.AddPubKey(id, priv.GetPublic())
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ps.AddPrivKey(id, priv)
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t.Cleanup(func() { ps.Close() })
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s, err := NewSwarm(id, ps, eventbus.NewBus(), WithMultiaddrResolver(resolver))
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require.NoError(t, err)
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t.Cleanup(func() {
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s.Close()
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})
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// Add a tcp transport so that we know we can dial a tcp multiaddr and we don't filter it out.
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tpt, err := tcp.NewTCPTransport(nil, &network.NullResourceManager{})
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require.NoError(t, err)
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err = s.AddTransport(tpt)
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require.NoError(t, err)
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connmgr, err := quicreuse.NewConnManager(quic.StatelessResetKey{}, quic.TokenGeneratorKey{})
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require.NoError(t, err)
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quicTpt, err := libp2pquic.NewTransport(priv, connmgr, nil, nil, &network.NullResourceManager{})
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require.NoError(t, err)
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err = s.AddTransport(quicTpt)
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require.NoError(t, err)
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wtTpt, err := libp2pwebtransport.New(priv, nil, connmgr, nil, &network.NullResourceManager{})
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require.NoError(t, err)
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err = s.AddTransport(wtTpt)
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require.NoError(t, err)
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wsTpt, err := websocket.New(nil, &network.NullResourceManager{})
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require.NoError(t, err)
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err = s.AddTransport(wsTpt)
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require.NoError(t, err)
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return s
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}
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func TestAddrResolution(t *testing.T) {
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ctx := context.Background()
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p1 := test.RandPeerIDFatal(t)
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p2 := test.RandPeerIDFatal(t)
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addr1 := ma.StringCast("/dnsaddr/example.com")
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addr2 := ma.StringCast("/ip4/192.0.2.1/tcp/123")
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p2paddr2 := ma.StringCast("/ip4/192.0.2.1/tcp/123/p2p/" + p1.String())
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p2paddr3 := ma.StringCast("/ip4/192.0.2.1/tcp/123/p2p/" + p2.String())
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backend := &madns.MockResolver{
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TXT: map[string][]string{"_dnsaddr.example.com": {
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"dnsaddr=" + p2paddr2.String(), "dnsaddr=" + p2paddr3.String(),
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}},
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}
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resolver, err := madns.NewResolver(madns.WithDefaultResolver(backend))
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require.NoError(t, err)
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s := newTestSwarmWithResolver(t, resolver)
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s.peers.AddAddr(p1, addr1, time.Hour)
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tctx, cancel := context.WithTimeout(ctx, time.Millisecond*100)
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defer cancel()
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mas, _, err := s.addrsForDial(tctx, p1)
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require.NoError(t, err)
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require.Len(t, mas, 1)
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require.Contains(t, mas, addr2)
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addrs := s.peers.Addrs(p1)
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require.Len(t, addrs, 2)
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require.Contains(t, addrs, addr1)
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require.Contains(t, addrs, addr2)
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}
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func TestAddrResolutionRecursive(t *testing.T) {
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p1 := test.RandPeerIDFatal(t)
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p2 := test.RandPeerIDFatal(t)
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addr1 := ma.StringCast("/dnsaddr/example.com")
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addr2 := ma.StringCast("/ip4/192.0.2.1/tcp/123")
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p2paddr1 := ma.StringCast("/dnsaddr/example.com/p2p/" + p1.String())
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p2paddr2 := ma.StringCast("/dnsaddr/example.com/p2p/" + p2.String())
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p2paddr1i := ma.StringCast("/dnsaddr/foo.example.com/p2p/" + p1.String())
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p2paddr2i := ma.StringCast("/dnsaddr/bar.example.com/p2p/" + p2.String())
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p2paddr1f := ma.StringCast("/ip4/192.0.2.1/tcp/123/p2p/" + p1.String())
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backend := &madns.MockResolver{
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TXT: map[string][]string{
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"_dnsaddr.example.com": {
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"dnsaddr=" + p2paddr1i.String(),
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"dnsaddr=" + p2paddr2i.String(),
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},
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"_dnsaddr.foo.example.com": {"dnsaddr=" + p2paddr1f.String()},
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"_dnsaddr.bar.example.com": {"dnsaddr=" + p2paddr2i.String()},
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},
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}
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resolver, err := madns.NewResolver(madns.WithDefaultResolver(backend))
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require.NoError(t, err)
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s := newTestSwarmWithResolver(t, resolver)
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pi1, err := peer.AddrInfoFromP2pAddr(p2paddr1)
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require.NoError(t, err)
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tctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*100)
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defer cancel()
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s.Peerstore().AddAddrs(pi1.ID, pi1.Addrs, peerstore.TempAddrTTL)
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_, _, err = s.addrsForDial(tctx, p1)
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require.NoError(t, err)
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addrs1 := s.Peerstore().Addrs(pi1.ID)
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require.Len(t, addrs1, 2)
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require.Contains(t, addrs1, addr1)
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require.Contains(t, addrs1, addr2)
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pi2, err := peer.AddrInfoFromP2pAddr(p2paddr2)
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require.NoError(t, err)
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s.Peerstore().AddAddrs(pi2.ID, pi2.Addrs, peerstore.TempAddrTTL)
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_, _, err = s.addrsForDial(tctx, p2)
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// This never resolves to a good address
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require.Equal(t, ErrNoGoodAddresses, err)
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addrs2 := s.Peerstore().Addrs(pi2.ID)
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require.Len(t, addrs2, 1)
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require.Contains(t, addrs2, addr1)
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}
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// see https://github.com/libp2p/go-libp2p/issues/2562
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func TestAddrResolutionRecursiveTransportSpecific(t *testing.T) {
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p := test.RandPeerIDFatal(t)
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backend := &madns.MockResolver{
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IP: map[string][]net.IPAddr{
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"sub.example.com": {net.IPAddr{IP: net.IPv4(1, 2, 3, 4)}},
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},
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TXT: map[string][]string{
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"_dnsaddr.example.com": {"dnsaddr=/dns4/sub.example.com/tcp/443/wss/p2p/" + p.String()},
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},
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}
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resolver, err := madns.NewResolver(madns.WithDefaultResolver(backend))
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require.NoError(t, err)
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s := newTestSwarmWithResolver(t, resolver)
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pi1, err := peer.AddrInfoFromP2pAddr(ma.StringCast("/dnsaddr/example.com/p2p/" + p.String()))
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require.NoError(t, err)
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tctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*100)
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defer cancel()
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s.Peerstore().AddAddrs(pi1.ID, pi1.Addrs, peerstore.TempAddrTTL)
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addrs, _, err := s.addrsForDial(tctx, p)
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require.NoError(t, err)
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require.Len(t, addrs, 1)
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require.Equal(t, "/ip4/1.2.3.4/tcp/443/tls/sni/sub.example.com/ws", addrs[0].String())
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}
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func TestAddrsForDialFiltering(t *testing.T) {
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q1 := ma.StringCast("/ip4/1.2.3.4/udp/1/quic-v1")
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q1v1 := ma.StringCast("/ip4/1.2.3.4/udp/1/quic-v1")
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wt1 := ma.StringCast("/ip4/1.2.3.4/udp/1/quic-v1/webtransport/")
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q2 := ma.StringCast("/ip4/1.2.3.4/udp/2/quic-v1")
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q2v1 := ma.StringCast("/ip4/1.2.3.4/udp/2/quic-v1")
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wt2 := ma.StringCast("/ip4/1.2.3.4/udp/2/quic-v1/webtransport/")
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q3 := ma.StringCast("/ip4/1.2.3.4/udp/3/quic-v1")
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t1 := ma.StringCast("/ip4/1.2.3.4/tcp/1")
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ws1 := ma.StringCast("/ip4/1.2.3.4/tcp/1/ws")
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unSpecQ := ma.StringCast("/ip4/0.0.0.0/udp/2/quic-v1")
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unSpecT := ma.StringCast("/ip6/::/tcp/2/")
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resolver, err := madns.NewResolver(madns.WithDefaultResolver(&madns.MockResolver{}))
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require.NoError(t, err)
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s := newTestSwarmWithResolver(t, resolver)
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ourAddrs := s.ListenAddresses()
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testCases := []struct {
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name string
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input []ma.Multiaddr
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output []ma.Multiaddr
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}{
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{
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name: "quic-filtered",
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input: []ma.Multiaddr{q1, q1v1, q2, q2v1, q3},
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output: []ma.Multiaddr{q1v1, q2v1, q3},
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},
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{
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name: "webtransport-filtered",
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input: []ma.Multiaddr{q1, q1v1, wt1, wt2},
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output: []ma.Multiaddr{q1v1, wt2},
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},
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{
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name: "all",
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input: []ma.Multiaddr{q1, q1v1, wt1, q2, q2v1, wt2, t1, ws1},
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output: []ma.Multiaddr{q1v1, q2v1, t1},
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},
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{
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name: "our-addrs-filtered",
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input: append([]ma.Multiaddr{q1}, ourAddrs...),
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output: []ma.Multiaddr{q1},
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},
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{
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name: "unspecified-filtered",
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input: []ma.Multiaddr{q1v1, t1, unSpecQ, unSpecT},
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output: []ma.Multiaddr{q1v1, t1},
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},
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}
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ctx := context.Background()
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p1 := test.RandPeerIDFatal(t)
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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s.Peerstore().ClearAddrs(p1)
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s.Peerstore().AddAddrs(p1, tc.input, peerstore.PermanentAddrTTL)
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result, _, err := s.addrsForDial(ctx, p1)
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require.NoError(t, err)
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sort.Slice(result, func(i, j int) bool { return bytes.Compare(result[i].Bytes(), result[j].Bytes()) < 0 })
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sort.Slice(tc.output, func(i, j int) bool { return bytes.Compare(tc.output[i].Bytes(), tc.output[j].Bytes()) < 0 })
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if len(result) != len(tc.output) {
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t.Fatalf("output mismatch got: %s want: %s", result, tc.output)
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}
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for i := 0; i < len(result); i++ {
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if !result[i].Equal(tc.output[i]) {
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t.Fatalf("output mismatch got: %s want: %s", result, tc.output)
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}
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}
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})
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}
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}
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func TestBlackHoledAddrBlocked(t *testing.T) {
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resolver, err := madns.NewResolver()
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if err != nil {
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t.Fatal(err)
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}
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s := newTestSwarmWithResolver(t, resolver)
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defer s.Close()
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n := 3
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s.bhd.ipv6 = &blackHoleFilter{n: n, minSuccesses: 1, name: "IPv6"}
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// All dials to this addr will fail.
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// manet.IsPublic is aggressive for IPv6 addresses. Use a NAT64 address.
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addr := ma.StringCast("/ip6/64:ff9b::1.2.3.4/tcp/54321/")
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p, err := test.RandPeerID()
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if err != nil {
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t.Error(err)
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}
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s.Peerstore().AddAddr(p, addr, peerstore.PermanentAddrTTL)
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// do 1 extra dial to ensure that the blackHoleDetector state is updated since it
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// happens in a different goroutine
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for i := 0; i < n+1; i++ {
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s.backf.Clear(p)
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ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
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conn, err := s.DialPeer(ctx, p)
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if err == nil || conn != nil {
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t.Fatalf("expected dial to fail")
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}
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cancel()
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}
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s.backf.Clear(p)
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ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
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defer cancel()
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conn, err := s.DialPeer(ctx, p)
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require.Nil(t, conn)
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var de *DialError
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if !errors.As(err, &de) {
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t.Fatalf("expected to receive an error of type *DialError, got %s of type %T", err, err)
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}
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require.ErrorIs(t, err, ErrDialRefusedBlackHole)
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}
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