From ef833716838b8d2fc5b92360efaec776f218cdcb Mon Sep 17 00:00:00 2001 From: Marten Seemann Date: Sat, 1 Aug 2020 10:38:04 +0700 Subject: [PATCH 1/2] implement a cache for session tickets --- session_cache.go | 51 ++++++++++++++++++++++ session_cache_test.go | 99 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 150 insertions(+) create mode 100644 session_cache.go create mode 100644 session_cache_test.go diff --git a/session_cache.go b/session_cache.go new file mode 100644 index 0000000..bd22b56 --- /dev/null +++ b/session_cache.go @@ -0,0 +1,51 @@ +package libp2ptls + +import ( + "crypto/tls" + + ci "github.com/libp2p/go-libp2p-core/crypto" +) + +const cacheSize = 3 + +type clientSessionCache struct { + cache []*tls.ClientSessionState + + // When using session resumption, the server won't send its certificate chain. + // We therefore need to save its public key when storing a session ticket, + // so we can return it on conn.RemotePublicKey(). + pubKey ci.PubKey +} + +var _ tls.ClientSessionCache = &clientSessionCache{} + +func newClientSessionCache() *clientSessionCache { + return &clientSessionCache{} +} + +func (c *clientSessionCache) Put(_ string, cs *tls.ClientSessionState) { + if len(c.cache) == cacheSize { + c.cache = c.cache[1:] + } + c.cache = append(c.cache, cs) +} + +func (c *clientSessionCache) Get(_ string) (*tls.ClientSessionState, bool) { + if len(c.cache) == 0 { + return nil, false + } + ticket := c.cache[len(c.cache)-1] + c.cache = c.cache[:len(c.cache)-1] + return ticket, true +} + +func (c *clientSessionCache) SetPubKey(k ci.PubKey) { + if c.pubKey != nil && !c.pubKey.Equals(k) { + panic("mismatching public key") + } + c.pubKey = k +} + +func (c *clientSessionCache) GetPubKey() ci.PubKey { + return c.pubKey +} diff --git a/session_cache_test.go b/session_cache_test.go new file mode 100644 index 0000000..4fbea1d --- /dev/null +++ b/session_cache_test.go @@ -0,0 +1,99 @@ +package libp2ptls + +import ( + "crypto/rand" + "crypto/tls" + "encoding/binary" + "unsafe" + + ci "github.com/libp2p/go-libp2p-core/crypto" + + . "github.com/onsi/ginkgo" + . "github.com/onsi/gomega" +) + +var _ = Describe("Session Ticket Cache", func() { + var cache *clientSessionCache + const key = "irrelevant" + ticketSize := unsafe.Sizeof(&tls.ClientSessionState{}) + + toSessionTicket := func(n int) *tls.ClientSessionState { + b := make([]byte, ticketSize) + binary.BigEndian.PutUint32(b, uint32(n)) + return (*tls.ClientSessionState)(unsafe.Pointer(&b)) + } + + fromSessionTicket := func(t *tls.ClientSessionState) int { + b := (*[]byte)(unsafe.Pointer(t)) + return int(binary.BigEndian.Uint32(*b)) + } + + BeforeEach(func() { + cache = newClientSessionCache() + }) + + It("encodes and decodes values from session tickets", func() { + Expect(fromSessionTicket(toSessionTicket(1337))).To(Equal(1337)) + }) + + It("doesn't return a session ticket if there's none", func() { + t, ok := cache.Get(key) + Expect(ok).To(BeFalse()) + Expect(t).To(BeNil()) + }) + + It("saves and retrieves session tickets", func() { + cache.Put(key, toSessionTicket(42)) + ticket, ok := cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(42)) + _, ok = cache.Get(key) + Expect(ok).To(BeFalse()) + }) + + It("returns the most recent ticket first", func() { + cache.Put(key, toSessionTicket(1)) + cache.Put(key, toSessionTicket(2)) + ticket, ok := cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(2)) + ticket, ok = cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(1)) + }) + + It("limits the number of tickets saved", func() { + Expect(cacheSize).To(Equal(3)) + cache.Put(key, toSessionTicket(1)) + cache.Put(key, toSessionTicket(2)) + cache.Put(key, toSessionTicket(3)) + cache.Put(key, toSessionTicket(4)) + ticket, ok := cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(4)) + ticket, ok = cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(3)) + ticket, ok = cache.Get(key) + Expect(ok).To(BeTrue()) + Expect(fromSessionTicket(ticket)).To(Equal(2)) + _, ok = cache.Get(key) + Expect(ok).To(BeFalse()) + }) + + It("sets and gets the public key", func() { + _, pub, err := ci.GenerateEd25519Key(rand.Reader) + Expect(err).ToNot(HaveOccurred()) + cache.SetPubKey(pub) + Expect(cache.GetPubKey()).To(Equal(pub)) + }) + + It("doesn't allow setting of different public keys", func() { + _, pub1, err := ci.GenerateEd25519Key(rand.Reader) + Expect(err).ToNot(HaveOccurred()) + _, pub2, err := ci.GenerateEd25519Key(rand.Reader) + Expect(err).ToNot(HaveOccurred()) + cache.SetPubKey(pub1) + Expect(func() { cache.SetPubKey(pub2) }).To(Panic()) + }) +}) From 41a17b3ccd6a308bcbfd5561552b964f0087a51c Mon Sep 17 00:00:00 2001 From: Marten Seemann Date: Sat, 1 Aug 2020 11:09:22 +0700 Subject: [PATCH 2/2] use TLS session resumption, store session tickets in the peerstore --- cmd/tlsdiag/client.go | 3 +- cmd/tlsdiag/server.go | 3 +- crypto.go | 3 +- go.mod | 5 +- go.sum | 188 ++++++++++++++++++++++++++++-------------- transport.go | 43 ++++++++-- transport_test.go | 87 +++++++++++++++---- 7 files changed, 243 insertions(+), 89 deletions(-) diff --git a/cmd/tlsdiag/client.go b/cmd/tlsdiag/client.go index 8b0fc46..fe38194 100644 --- a/cmd/tlsdiag/client.go +++ b/cmd/tlsdiag/client.go @@ -9,6 +9,7 @@ import ( "time" "github.com/libp2p/go-libp2p-core/peer" + "github.com/libp2p/go-libp2p-peerstore/pstoremem" libp2ptls "github.com/libp2p/go-libp2p-tls" ) @@ -33,7 +34,7 @@ func StartClient() error { return err } fmt.Printf(" Peer ID: %s\n", id.Pretty()) - tp, err := libp2ptls.New(priv) + tp, err := libp2ptls.New(priv, pstoremem.NewPeerstore()) if err != nil { return err } diff --git a/cmd/tlsdiag/server.go b/cmd/tlsdiag/server.go index 290af13..3cd754e 100644 --- a/cmd/tlsdiag/server.go +++ b/cmd/tlsdiag/server.go @@ -8,6 +8,7 @@ import ( "time" "github.com/libp2p/go-libp2p-core/peer" + "github.com/libp2p/go-libp2p-peerstore/pstoremem" libp2ptls "github.com/libp2p/go-libp2p-tls" ) @@ -26,7 +27,7 @@ func StartServer() error { return err } fmt.Printf(" Peer ID: %s\n", id.Pretty()) - tp, err := libp2ptls.New(priv) + tp, err := libp2ptls.New(priv, pstoremem.NewPeerstore()) if err != nil { return err } diff --git a/crypto.go b/crypto.go index e6d6d5f..6ccdb23 100644 --- a/crypto.go +++ b/crypto.go @@ -22,6 +22,7 @@ import ( const certValidityPeriod = 100 * 365 * 24 * time.Hour // ~100 years const certificatePrefix = "libp2p-tls-handshake:" const alpn string = "libp2p" +const peerStoreKey = "libp2p-tls-session-cache" var extensionID = getPrefixedExtensionID([]int{1, 1}) @@ -52,7 +53,7 @@ func NewIdentity(privKey ic.PrivKey) (*Identity, error) { panic("tls config not specialized for peer") }, NextProtos: []string{alpn}, - SessionTicketsDisabled: true, + SessionTicketsDisabled: false, }, }, nil } diff --git a/go.mod b/go.mod index 8fa4f35..3619ed3 100644 --- a/go.mod +++ b/go.mod @@ -3,8 +3,9 @@ module github.com/libp2p/go-libp2p-tls go 1.14 require ( - github.com/libp2p/go-libp2p-core v0.3.0 + github.com/libp2p/go-libp2p-core v0.6.1 + github.com/libp2p/go-libp2p-peerstore v0.2.6 github.com/onsi/ginkgo v1.12.0 github.com/onsi/gomega v1.9.0 - golang.org/x/sys v0.0.0-20191206220618-eeba5f6aabab + golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 ) diff --git a/go.sum b/go.sum index d5892b0..6058137 100644 --- a/go.sum +++ b/go.sum @@ -1,8 +1,9 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII= -github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3 h1:A/EVblehb75cUgXA5njHPn0kLAsykn6mJGz7rnmW5W0= -github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI= +github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw= github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ= github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA= @@ -12,15 +13,25 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc= github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY= github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs= +github.com/cespare/xxhash 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h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 h1:LfCXLvNmTYH9kEmVgqbnsWfruoXZIrh4YBgqVHtDvw0= +golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= +golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/tools v0.0.0-20181130052023-1c3d964395ce/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190311212946-11955173bddd h1:/e+gpKk9r3dJobndpTytxS2gOy6m5uvpg+ISQoEcusQ= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= +golang.org/x/tools v0.0.0-20191108193012-7d206e10da11 h1:Yq9t9jnGoR+dBuitxdo9l6Q7xh/zOyNnYUtDKaQ3x0E= +golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= @@ -192,10 +258,10 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= -gopkg.in/src-d/go-cli.v0 v0.0.0-20181105080154-d492247bbc0d/go.mod h1:z+K8VcOYVYcSwSjGebuDL6176A1XskgbtNl64NSg+n8= -gopkg.in/src-d/go-log.v1 v1.0.1/go.mod h1:GN34hKP0g305ysm2/hctJ0Y8nWP3zxXXJ8GFabTyABE= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE= diff --git a/transport.go b/transport.go index 1a02f78..ca98daf 100644 --- a/transport.go +++ b/transport.go @@ -4,11 +4,13 @@ import ( "context" "crypto/tls" "errors" + "fmt" "net" "sync" ci "github.com/libp2p/go-libp2p-core/crypto" "github.com/libp2p/go-libp2p-core/peer" + ps "github.com/libp2p/go-libp2p-core/peerstore" "github.com/libp2p/go-libp2p-core/sec" ) @@ -17,20 +19,22 @@ const ID = "/tls/1.0.0" // Transport constructs secure communication sessions for a peer. type Transport struct { - identity *Identity + identity *Identity + peerstore ps.Peerstore localPeer peer.ID privKey ci.PrivKey } // New creates a TLS encrypted transport -func New(key ci.PrivKey) (*Transport, error) { +func New(key ci.PrivKey, peerstore ps.Peerstore) (*Transport, error) { id, err := peer.IDFromPrivateKey(key) if err != nil { return nil, err } t := &Transport{ localPeer: id, + peerstore: peerstore, privKey: key, } @@ -47,7 +51,7 @@ var _ sec.SecureTransport = &Transport{} // SecureInbound runs the TLS handshake as a server. func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn) (sec.SecureConn, error) { config, keyCh := t.identity.ConfigForAny() - cs, err := t.handshake(ctx, tls.Server(insecure, config), keyCh) + cs, err := t.handshake(ctx, tls.Server(insecure, config), keyCh, nil) if err != nil { insecure.Close() } @@ -63,9 +67,28 @@ func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn) (sec.S // notice this after 1 RTT when calling Read. func (t *Transport) SecureOutbound(ctx context.Context, insecure net.Conn, p peer.ID) (sec.SecureConn, error) { config, keyCh := t.identity.ConfigForPeer(p) - cs, err := t.handshake(ctx, tls.Client(insecure, config), keyCh) + + var sessionCache *clientSessionCache + if csc, err := t.peerstore.Get(p, peerStoreKey); err != nil { + if err != ps.ErrNotFound { + panic(fmt.Sprintf("Failed to get session cache from peer store: %s", err)) + } + sessionCache = newClientSessionCache() + t.peerstore.Put(p, peerStoreKey, sessionCache) + } else { + sessionCache = csc.(*clientSessionCache) + } + config.ClientSessionCache = sessionCache + + cs, err := t.handshake(ctx, tls.Client(insecure, config), keyCh, sessionCache) if err != nil { insecure.Close() + } else { + if peerID, err := peer.IDFromPublicKey(cs.RemotePublicKey()); err != nil || peerID != p { + // Should never happen, but make sure that the public key actually matches the peer ID. + // Especially important for resumed connection. + return nil, errors.New("libp2p-tls BUG: peer ID doesn't match public key") + } } return cs, err } @@ -74,6 +97,7 @@ func (t *Transport) handshake( ctx context.Context, tlsConn *tls.Conn, keyCh <-chan ci.PubKey, + sessionCache *clientSessionCache, ) (sec.SecureConn, error) { // There's no way to pass a context to tls.Conn.Handshake(). // See https://github.com/golang/go/issues/18482. @@ -115,10 +139,19 @@ func (t *Transport) handshake( var remotePubKey ci.PubKey select { case remotePubKey = <-keyCh: + // In the case of a normal (non-resumed) handshake, the server will send its certificate, + // and we extract its public key from it. default: + // In the case of a resumed handshake, the server doesn't send any certificate. + // We already know its public key from the last connection. } if remotePubKey == nil { - return nil, errors.New("go-libp2p-tls BUG: expected remote pub key to be set") + if !tlsConn.ConnectionState().DidResume || sessionCache == nil { + return nil, errors.New("go-libp2p-tls BUG: expected remote pub key to be set") + } + remotePubKey = sessionCache.GetPubKey() + } else if sessionCache != nil { + sessionCache.SetPubKey(remotePubKey) } conn, err := t.setupConn(tlsConn, remotePubKey) diff --git a/transport_test.go b/transport_test.go index 2b5be8f..97cd2d5 100644 --- a/transport_test.go +++ b/transport_test.go @@ -13,7 +13,6 @@ import ( "encoding/asn1" "fmt" "math/big" - mrand "math/rand" "net" "time" @@ -22,7 +21,9 @@ import ( ci "github.com/libp2p/go-libp2p-core/crypto" "github.com/libp2p/go-libp2p-core/peer" + ps "github.com/libp2p/go-libp2p-core/peerstore" "github.com/libp2p/go-libp2p-core/sec" + "github.com/libp2p/go-libp2p-peerstore/pstoremem" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" @@ -38,12 +39,13 @@ var _ = Describe("Transport", func() { var ( serverKey, clientKey ci.PrivKey serverID, clientID peer.ID + peerstore ps.Peerstore ) createPeer := func() (peer.ID, ci.PrivKey) { var priv ci.PrivKey var err error - switch mrand.Int() % 4 { + switch 3 % 4 { case 0: fmt.Fprintf(GinkgoWriter, " using an ECDSA key: ") priv, _, err = ci.GenerateECDSAKeyPair(rand.Reader) @@ -85,12 +87,13 @@ var _ = Describe("Transport", func() { serverID, serverKey = createPeer() fmt.Fprintf(GinkgoWriter, "Initializing a client") clientID, clientKey = createPeer() + peerstore = pstoremem.NewPeerstore() }) It("handshakes", func() { - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) clientInsecureConn, serverInsecureConn := connect() @@ -110,12 +113,12 @@ var _ = Describe("Transport", func() { defer serverConn.Close() Expect(clientConn.LocalPeer()).To(Equal(clientID)) Expect(serverConn.LocalPeer()).To(Equal(serverID)) - Expect(clientConn.LocalPrivateKey()).To(Equal(clientKey)) - Expect(serverConn.LocalPrivateKey()).To(Equal(serverKey)) + Expect(clientConn.LocalPrivateKey().Equals(clientKey)).To(BeTrue()) + Expect(serverConn.LocalPrivateKey().Equals(serverKey)).To(BeTrue()) Expect(clientConn.RemotePeer()).To(Equal(serverID)) Expect(serverConn.RemotePeer()).To(Equal(clientID)) - Expect(clientConn.RemotePublicKey()).To(Equal(serverKey.GetPublic())) - Expect(serverConn.RemotePublicKey()).To(Equal(clientKey.GetPublic())) + Expect(clientConn.RemotePublicKey().Equals(serverKey.GetPublic())).To(BeTrue()) + Expect(serverConn.RemotePublicKey().Equals(clientKey.GetPublic())).To(BeTrue()) // exchange some data _, err = serverConn.Write([]byte("foobar")) Expect(err).ToNot(HaveOccurred()) @@ -125,10 +128,58 @@ var _ = Describe("Transport", func() { Expect(string(b)).To(Equal("foobar")) }) + It("uses session resumption", func() { + clientTransport, err := New(clientKey, pstoremem.NewPeerstore()) + Expect(err).ToNot(HaveOccurred()) + serverTransport, err := New(serverKey, peerstore) + Expect(err).ToNot(HaveOccurred()) + + clientInsecureConn, serverInsecureConn := connect() + defer clientInsecureConn.Close() + defer serverInsecureConn.Close() + + serverConnChan := make(chan sec.SecureConn) + go func() { + defer GinkgoRecover() + for { + serverConn, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + if err != nil { + return + } + serverConnChan <- serverConn + } + }() + + handshake := func() { + clientConn, err := clientTransport.SecureOutbound(context.Background(), clientInsecureConn, serverID) + Expect(err).ToNot(HaveOccurred()) + var serverConn sec.SecureConn + Eventually(serverConnChan).Should(Receive(&serverConn)) + Expect(clientConn.LocalPeer()).To(Equal(clientID)) + Expect(serverConn.LocalPeer()).To(Equal(serverID)) + Expect(clientConn.LocalPrivateKey().Equals(clientKey)).To(BeTrue()) + Expect(serverConn.LocalPrivateKey().Equals(serverKey)).To(BeTrue()) + Expect(clientConn.RemotePeer()).To(Equal(serverID)) + Expect(serverConn.RemotePeer()).To(Equal(clientID)) + Expect(clientConn.RemotePublicKey().Equals(serverKey.GetPublic())).To(BeTrue()) + Expect(serverConn.RemotePublicKey().Equals(clientKey.GetPublic())).To(BeTrue()) + // exchange some data + _, err = serverConn.Write([]byte("foobar")) + Expect(err).ToNot(HaveOccurred()) + b := make([]byte, 6) + _, err = clientConn.Read(b) + Expect(err).ToNot(HaveOccurred()) + Expect(string(b)).To(Equal("foobar")) + } + + handshake() + handshake() + }) + It("fails when the context of the outgoing connection is canceled", func() { - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) clientInsecureConn, serverInsecureConn := connect() @@ -145,9 +196,9 @@ var _ = Describe("Transport", func() { }) It("fails when the context of the incoming connection is canceled", func() { - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) clientInsecureConn, serverInsecureConn := connect() @@ -167,9 +218,9 @@ var _ = Describe("Transport", func() { fmt.Fprintf(GinkgoWriter, "Creating another peer") thirdPartyID, _ := createPeer() - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) clientInsecureConn, serverInsecureConn := connect() @@ -376,9 +427,9 @@ var _ = Describe("Transport", func() { t := transforms[i] It(fmt.Sprintf("fails if the client presents an invalid cert: %s", t.name), func() { - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) t.apply(clientTransport.identity) @@ -406,10 +457,10 @@ var _ = Describe("Transport", func() { }) It(fmt.Sprintf("fails if the server presents an invalid cert: %s", t.name), func() { - serverTransport, err := New(serverKey) + serverTransport, err := New(serverKey, peerstore) Expect(err).ToNot(HaveOccurred()) t.apply(serverTransport.identity) - clientTransport, err := New(clientKey) + clientTransport, err := New(clientKey, peerstore) Expect(err).ToNot(HaveOccurred()) clientInsecureConn, serverInsecureConn := connect()