ceremonyclient/go-libp2p/p2p/protocol/identify/id_glass_test.go

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2023-08-21 03:50:38 +00:00
package identify
import (
"context"
"fmt"
"testing"
"time"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/peerstore"
recordPb "github.com/libp2p/go-libp2p/core/record/pb"
blhost "github.com/libp2p/go-libp2p/p2p/host/blank"
swarmt "github.com/libp2p/go-libp2p/p2p/net/swarm/testing"
"google.golang.org/protobuf/proto"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestFastDisconnect(t *testing.T) {
// This test checks to see if we correctly abort sending an identify
// response if the peer disconnects before we handle the request.
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
target := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer target.Close()
ids, err := NewIDService(target)
require.NoError(t, err)
defer ids.Close()
ids.Start()
sync := make(chan struct{})
target.SetStreamHandler(ID, func(s network.Stream) {
// Wait till the stream is set up on both sides.
select {
case <-sync:
case <-ctx.Done():
return
}
// Kill the connection, and make sure we're completely disconnected.
assert.Eventually(t,
func() bool {
for _, conn := range target.Network().ConnsToPeer(s.Conn().RemotePeer()) {
conn.Close()
}
return target.Network().Connectedness(s.Conn().RemotePeer()) != network.Connected
},
2*time.Second,
time.Millisecond,
)
// Now try to handle the response.
// This should not block indefinitely, or panic, or anything like that.
//
// However, if we have a bug, that _could_ happen.
ids.handleIdentifyRequest(s)
// Ok, allow the outer test to continue.
select {
case <-sync:
case <-ctx.Done():
return
}
})
source := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer source.Close()
// only connect to the first address, to make sure we only end up with one connection
require.NoError(t, source.Connect(ctx, peer.AddrInfo{ID: target.ID(), Addrs: target.Addrs()}))
s, err := source.NewStream(ctx, target.ID(), ID)
require.NoError(t, err)
select {
case sync <- struct{}{}:
case <-ctx.Done():
t.Fatal(ctx.Err())
}
s.Reset()
select {
case sync <- struct{}{}:
case <-ctx.Done():
t.Fatal(ctx.Err())
}
// double-check to make sure we didn't actually timeout somewhere.
require.NoError(t, ctx.Err())
}
func TestWrongSignedPeerRecord(t *testing.T) {
h1 := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer h1.Close()
ids, err := NewIDService(h1)
require.NoError(t, err)
ids.Start()
defer ids.Close()
h2 := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer h2.Close()
ids2, err := NewIDService(h2)
require.NoError(t, err)
ids2.Start()
defer ids2.Close()
h3 := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer h2.Close()
ids3, err := NewIDService(h3)
require.NoError(t, err)
ids3.Start()
defer ids3.Close()
h2.Connect(context.Background(), peer.AddrInfo{ID: h1.ID(), Addrs: h1.Addrs()})
s, err := h2.NewStream(context.Background(), h1.ID(), IDPush)
require.NoError(t, err)
err = ids3.sendIdentifyResp(s, true)
// This should fail because the peer record is signed by h3, not h2
require.NoError(t, err)
time.Sleep(time.Second)
require.Empty(t, h1.Peerstore().Addrs(h3.ID()), "h1 should not know about h3 since it was relayed over h2")
}
func TestInvalidSignedPeerRecord(t *testing.T) {
h1 := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer h1.Close()
ids, err := NewIDService(h1)
require.NoError(t, err)
ids.Start()
defer ids.Close()
h2 := blhost.NewBlankHost(swarmt.GenSwarm(t))
defer h2.Close()
ids2, err := NewIDService(h2)
require.NoError(t, err)
// We don't want to start the identify service, we'll manage the messages h2
// sends manually so we can tweak it
// ids2.Start()
h2.Connect(context.Background(), peer.AddrInfo{ID: h1.ID(), Addrs: h1.Addrs()})
require.Empty(t, h1.Peerstore().Addrs(h2.ID()))
s, err := h2.NewStream(context.Background(), h1.ID(), IDPush)
require.NoError(t, err)
ids2.updateSnapshot()
ids2.currentSnapshot.Lock()
snapshot := ids2.currentSnapshot.snapshot
ids2.currentSnapshot.Unlock()
mes := ids2.createBaseIdentifyResponse(s.Conn(), &snapshot)
fmt.Println("Signed record is", snapshot.record)
marshalled, err := snapshot.record.Marshal()
require.NoError(t, err)
var envPb recordPb.Envelope
err = proto.Unmarshal(marshalled, &envPb)
require.NoError(t, err)
envPb.Signature = []byte("invalid")
mes.SignedPeerRecord, err = proto.Marshal(&envPb)
require.NoError(t, err)
err = ids2.writeChunkedIdentifyMsg(s, mes)
require.NoError(t, err)
fmt.Println("Done sending msg")
s.Close()
// Wait a bit for h1 to process the message
time.Sleep(1 * time.Second)
cab, ok := h1.Peerstore().(peerstore.CertifiedAddrBook)
require.True(t, ok)
require.Nil(t, cab.GetPeerRecord(h2.ID()))
}