diff --git a/packages/gossip/manager_test.go b/packages/gossip/manager_test.go index ea9ca56b98a13460ea8e3a3221c26f89e7498e82..df9e83337b423403d46afe1b4ae445d4d19a45f6 100644 --- a/packages/gossip/manager_test.go +++ b/packages/gossip/manager_test.go @@ -2,6 +2,7 @@ package gossip import ( "log" + "net" "sync" "testing" "time" @@ -56,12 +57,26 @@ func getTestTransaction([]byte) ([]byte, error) { return testTxData, nil } +func getTCPAddress(t require.TestingT) string { + laddr, err := net.ResolveTCPAddr("tcp", "localhost:0") + require.NoError(t, err) + lis, err := net.ListenTCP("tcp", laddr) + require.NoError(t, err) + + addr := lis.Addr().String() + require.NoError(t, lis.Close()) + + return addr +} + func newTest(t require.TestingT, name string) (*Manager, func(), *peer.Peer) { l := logger.Named(name) db := peer.NewMemoryDB(l.Named("db")) local, err := peer.NewLocal("peering", name, db) require.NoError(t, err) - require.NoError(t, local.UpdateService(service.GossipKey, "tcp", "localhost:0")) + + // enable TCP gossipping + require.NoError(t, local.UpdateService(service.GossipKey, "tcp", getTCPAddress(t))) trans, err := transport.Listen(local, l) require.NoError(t, err) diff --git a/packages/gossip/transport/handshake.go b/packages/gossip/transport/handshake.go index a33b332966593921b00101294c76ab8eed0f5b79..3489a9d66ade615fdeadb7549df19cf143c57dee 100644 --- a/packages/gossip/transport/handshake.go +++ b/packages/gossip/transport/handshake.go @@ -19,10 +19,9 @@ func isExpired(ts int64) bool { return time.Since(time.Unix(ts, 0)) >= handshakeExpiration } -func newHandshakeRequest(fromAddr string, toAddr string) ([]byte, error) { +func newHandshakeRequest(toAddr string) ([]byte, error) { m := &pb.HandshakeRequest{ Version: versionNum, - From: fromAddr, To: toAddr, Timestamp: time.Now().Unix(), } @@ -36,7 +35,7 @@ func newHandshakeResponse(reqData []byte) ([]byte, error) { return proto.Marshal(m) } -func (t *TCP) validateHandshakeRequest(reqData []byte, fromAddr string) bool { +func (t *TCP) validateHandshakeRequest(reqData []byte) bool { m := new(pb.HandshakeRequest) if err := proto.Unmarshal(reqData, m); err != nil { t.log.Debugw("invalid handshake", @@ -47,18 +46,14 @@ func (t *TCP) validateHandshakeRequest(reqData []byte, fromAddr string) bool { if m.GetVersion() != versionNum { t.log.Debugw("invalid handshake", "version", m.GetVersion(), + "want", versionNum, ) return false } - if m.GetFrom() != fromAddr { - t.log.Debugw("invalid handshake", - "from", m.GetFrom(), - ) - return false - } - if m.GetTo() != t.pubAddr { + if m.GetTo() != t.publicAddr.String() { t.log.Debugw("invalid handshake", "to", m.GetTo(), + "want", t.publicAddr.String(), ) return false } diff --git a/packages/gossip/transport/proto/handshake.pb.go b/packages/gossip/transport/proto/handshake.pb.go index c7f368873432c4456bb4f7cd8376f023905c9bf1..da559c819039c5d8b60fdb6ff74e779de9c4fc20 100644 --- a/packages/gossip/transport/proto/handshake.pb.go +++ b/packages/gossip/transport/proto/handshake.pb.go @@ -23,12 +23,10 @@ const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package type HandshakeRequest struct { // protocol version number Version uint32 `protobuf:"varint,1,opt,name=version,proto3" json:"version,omitempty"` - // string form of the sender address (e.g. "192.0.2.1:25", "[2001:db8::1]:80") - From string `protobuf:"bytes,2,opt,name=from,proto3" json:"from,omitempty"` // string form of the recipient address - To string `protobuf:"bytes,3,opt,name=to,proto3" json:"to,omitempty"` + To string `protobuf:"bytes,2,opt,name=to,proto3" json:"to,omitempty"` // unix time - Timestamp int64 `protobuf:"varint,4,opt,name=timestamp,proto3" json:"timestamp,omitempty"` + Timestamp int64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"` XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_unrecognized []byte `json:"-"` XXX_sizecache int32 `json:"-"` @@ -66,13 +64,6 @@ func (m *HandshakeRequest) GetVersion() uint32 { return 0 } -func (m *HandshakeRequest) GetFrom() string { - if m != nil { - return m.From - } - return "" -} - func (m *HandshakeRequest) GetTo() string { if m != nil { return m.To @@ -135,18 +126,18 @@ func init() { func init() { proto.RegisterFile("transport/proto/handshake.proto", fileDescriptor_d7101ffe19b05443) } var fileDescriptor_d7101ffe19b05443 = []byte{ - // 203 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x5c, 0x8f, 0x3f, 0x4b, 0x04, 0x31, - 0x10, 0xc5, 0xb9, 0x3f, 0x7a, 0xde, 0xa0, 0xa2, 0xa9, 0x22, 0x08, 0xca, 0x55, 0x82, 0xb8, 0x29, - 0xfc, 0x06, 0x56, 0x57, 0xa7, 0xb4, 0x91, 0xec, 0x3a, 0x6e, 0x82, 0x26, 0x93, 0xcd, 0x64, 0xfd, - 0xfc, 0x0e, 0x81, 0x45, 0xb1, 0x7a, 0xef, 0xf7, 0x0b, 0xe4, 0x25, 0x70, 0x57, 0x8b, 0x4b, 0x9c, - 0xa9, 0x54, 0x93, 0x0b, 0x55, 0x32, 0xde, 0xa5, 0x77, 0xf6, 0xee, 0x13, 0xbb, 0xc6, 0xea, 0xa4, - 0xc5, 0x21, 0xc1, 0xd5, 0x71, 0x39, 0xb1, 0x38, 0xcd, 0xc8, 0x55, 0x69, 0xd8, 0x7d, 0x63, 0xe1, - 0x40, 0x49, 0xaf, 0xee, 0x57, 0x0f, 0x17, 0x76, 0x41, 0xa5, 0x60, 0xfb, 0x51, 0x28, 0xea, 0xb5, - 0xe8, 0xbd, 0x6d, 0x5d, 0x5d, 0xc2, 0xba, 0x92, 0xde, 0x34, 0x23, 0x4d, 0xdd, 0xc2, 0xbe, 0x86, - 0x28, 0xf7, 0xb8, 0x98, 0xf5, 0x56, 0xf4, 0xc6, 0xfe, 0x8a, 0x43, 0x07, 0xd7, 0x7f, 0xf6, 0xe4, - 0x81, 0x89, 0x51, 0xdd, 0xc0, 0x59, 0xc1, 0xe9, 0xcd, 0x3b, 0xf6, 0x6d, 0xf1, 0xdc, 0xee, 0x84, - 0x8f, 0x82, 0x2f, 0x4f, 0xaf, 0x8f, 0x63, 0xa8, 0x7e, 0xee, 0xbb, 0x81, 0xa2, 0x19, 0x5c, 0x26, - 0x66, 0xfc, 0x42, 0x33, 0x4a, 0x86, 0x6c, 0xfe, 0xfd, 0xb2, 0x3f, 0x6d, 0xf1, 0xfc, 0x13, 0x00, - 0x00, 0xff, 0xff, 0x51, 0xe0, 0x08, 0xd0, 0xff, 0x00, 0x00, 0x00, + // 206 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x5c, 0x8f, 0x31, 0x4b, 0x83, 0x31, + 0x10, 0x86, 0x69, 0x8b, 0xd6, 0x06, 0x15, 0xcd, 0xf4, 0x09, 0x82, 0xd2, 0xc9, 0xe9, 0xcb, 0xe0, + 0x0f, 0x10, 0x9d, 0x3a, 0x67, 0xec, 0x22, 0xd7, 0xf6, 0x48, 0x42, 0x4d, 0x2e, 0xcd, 0x5d, 0xfd, + 0xfd, 0x9e, 0x81, 0xa2, 0x74, 0x7a, 0xdf, 0xe7, 0x09, 0x79, 0x49, 0xcc, 0x93, 0x34, 0x28, 0x5c, + 0xa9, 0x89, 0xab, 0x8d, 0x84, 0x5c, 0x84, 0xb2, 0xe3, 0x08, 0x7b, 0x1c, 0x3b, 0xdb, 0x8b, 0x1e, + 0xcb, 0xb5, 0xb9, 0x5b, 0x9d, 0x4e, 0x3c, 0x1e, 0x8e, 0xc8, 0x62, 0x07, 0x33, 0xff, 0xc6, 0xc6, + 0x89, 0xca, 0x30, 0x79, 0x9e, 0xbc, 0xdc, 0xf8, 0x13, 0xda, 0x5b, 0x33, 0x15, 0x1a, 0xa6, 0x2a, + 0x17, 0x5e, 0x9b, 0x7d, 0x34, 0x0b, 0x49, 0x59, 0xef, 0x40, 0xae, 0xc3, 0x4c, 0xf5, 0xcc, 0xff, + 0x89, 0xe5, 0x68, 0xee, 0xff, 0x6d, 0xeb, 0x63, 0x0a, 0xa3, 0x7d, 0x30, 0x57, 0x0d, 0x0f, 0x9f, + 0x11, 0x38, 0xf6, 0xf5, 0x6b, 0x3f, 0x57, 0x5e, 0x29, 0x7e, 0xbc, 0xaf, 0xdf, 0x42, 0x92, 0x78, + 0xdc, 0x8c, 0x5b, 0xca, 0x2e, 0x91, 0xc0, 0x17, 0xee, 0x02, 0x36, 0x17, 0x88, 0x63, 0xca, 0x59, + 0x5b, 0x85, 0xed, 0x1e, 0x02, 0xf2, 0xaf, 0xe2, 0x54, 0xdd, 0xd9, 0x2f, 0x37, 0x97, 0x3d, 0x5e, + 0x7f, 0x02, 0x00, 0x00, 0xff, 0xff, 0x51, 0x6a, 0x20, 0xf4, 0xff, 0x00, 0x00, 0x00, } diff --git a/packages/gossip/transport/proto/handshake.proto b/packages/gossip/transport/proto/handshake.proto index 68537177d979d46a6fc9215ff6fb8b2f404e23b2..c2242c270f74cabf441eb9322d559f1745cf1db2 100644 --- a/packages/gossip/transport/proto/handshake.proto +++ b/packages/gossip/transport/proto/handshake.proto @@ -7,12 +7,10 @@ package proto; message HandshakeRequest { // protocol version number uint32 version = 1; - // string form of the sender address (e.g. "192.0.2.1:25", "[2001:db8::1]:80") - string from = 2; // string form of the recipient address - string to = 3; + string to = 2; // unix time - int64 timestamp = 4; + int64 timestamp = 3; } message HandshakeResponse { diff --git a/packages/gossip/transport/transport.go b/packages/gossip/transport/transport.go index 61690e0fb0d087ade9aac98c739215818ee7a501..e379f001383a476469ffa542e20561770abc1344 100644 --- a/packages/gossip/transport/transport.go +++ b/packages/gossip/transport/transport.go @@ -40,10 +40,10 @@ const ( // TCP establishes verified incoming and outgoing TCP connections to other peers. type TCP struct { - local *peer.Local - pubAddr string - listener *net.TCPListener - log *zap.SugaredLogger + local *peer.Local + publicAddr net.Addr + listener *net.TCPListener + log *zap.SugaredLogger addAcceptMatcher chan *acceptMatcher acceptReceived chan accept @@ -81,27 +81,32 @@ func Listen(local *peer.Local, log *zap.SugaredLogger) (*TCP, error) { closing: make(chan struct{}), } - gossipAddr := local.Services().Get(service.GossipKey) - if gossipAddr == nil { + t.publicAddr = local.Services().Get(service.GossipKey) + if t.publicAddr == nil { return nil, ErrNoGossip } - - t.pubAddr = gossipAddr.String() - - host, port, _ := net.SplitHostPort(gossipAddr.String()) - if host != "127.0.0.1" { - host = "0.0.0.0" - } - - tcpAddr, err := net.ResolveTCPAddr(gossipAddr.Network(), host+":"+port) + tcpAddr, err := net.ResolveTCPAddr(t.publicAddr.Network(), t.publicAddr.String()) if err != nil { return nil, err } - listener, err := net.ListenTCP(gossipAddr.Network(), tcpAddr) + // if the ip is an external ip, set it to zero + if tcpAddr.IP.IsGlobalUnicast() { + if len(tcpAddr.IP) == net.IPv4len { + tcpAddr.IP = net.IPv4zero + } else if len(tcpAddr.IP) == net.IPv6len { + tcpAddr.IP = net.IPv6zero + } + } + + listener, err := net.ListenTCP(t.publicAddr.Network(), tcpAddr) if err != nil { return nil, err } t.listener = listener + t.log.Debugw("listening started", + "network", listener.Addr().Network(), + "address", listener.Addr().String(), + ) t.wg.Add(2) go t.run() @@ -303,10 +308,7 @@ func (t *TCP) listenLoop() { } func (t *TCP) doHandshake(key peer.PublicKey, remoteAddr string, conn net.Conn) error { - _, connPort, _ := net.SplitHostPort(conn.LocalAddr().String()) - from, _, _ := net.SplitHostPort(t.pubAddr) - - reqData, err := newHandshakeRequest(from+":"+connPort, remoteAddr) + reqData, err := newHandshakeRequest(remoteAddr) if err != nil { return err } @@ -377,7 +379,7 @@ func (t *TCP) readHandshakeRequest(conn net.Conn) (peer.PublicKey, []byte, error return nil, nil, err } - if !t.validateHandshakeRequest(pkt.GetData(), conn.RemoteAddr().String()) { + if !t.validateHandshakeRequest(pkt.GetData()) { return nil, nil, ErrInvalidHandshake } diff --git a/packages/gossip/transport/transport_test.go b/packages/gossip/transport/transport_test.go index 51b64b8143e0495cbfc2af013cdee501bcb40b04..7c1fecf632dd0479aa7627ef27fa01c667a4dc11 100644 --- a/packages/gossip/transport/transport_test.go +++ b/packages/gossip/transport/transport_test.go @@ -26,6 +26,18 @@ func init() { logger = l.Sugar() } +func getTCPAddress(t require.TestingT) string { + laddr, err := net.ResolveTCPAddr("tcp", "localhost:0") + require.NoError(t, err) + lis, err := net.ListenTCP("tcp", laddr) + require.NoError(t, err) + + addr := lis.Addr().String() + require.NoError(t, lis.Close()) + + return addr +} + func newTest(t require.TestingT, name string) (*TCP, func()) { l := logger.Named(name) db := peer.NewMemoryDB(l.Named("db")) @@ -33,14 +45,11 @@ func newTest(t require.TestingT, name string) (*TCP, func()) { require.NoError(t, err) // enable TCP gossipping - require.NoError(t, local.UpdateService(service.GossipKey, "tcp", "localhost:0")) + require.NoError(t, local.UpdateService(service.GossipKey, "tcp", getTCPAddress(t))) trans, err := Listen(local, l) require.NoError(t, err) - // update the service with the actual address - require.NoError(t, local.UpdateService(service.GossipKey, trans.LocalAddr().Network(), trans.LocalAddr().String())) - teardown := func() { trans.Close() db.Close()