From 3efc47e66818d79d7f46370d53457b2d2e7add9a Mon Sep 17 00:00:00 2001 From: Marten Seemann Date: Sun, 5 Sep 2021 15:37:54 +0100 Subject: [PATCH] add the peer ID to SecureInbound --- cmd/tlsdiag/server.go | 2 +- crypto.go | 5 -- go.mod | 2 +- go.sum | 126 +++++++++++------------------------------- transport.go | 5 +- transport_test.go | 116 ++++++++++++++++++++++++++++---------- 6 files changed, 124 insertions(+), 132 deletions(-) diff --git a/cmd/tlsdiag/server.go b/cmd/tlsdiag/server.go index 290af13..6934f10 100644 --- a/cmd/tlsdiag/server.go +++ b/cmd/tlsdiag/server.go @@ -56,7 +56,7 @@ func StartServer() error { func handleConn(tp *libp2ptls.Transport, conn net.Conn) error { ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) defer cancel() - sconn, err := tp.SecureInbound(ctx, conn) + sconn, err := tp.SecureInbound(ctx, conn, "") if err != nil { return err } diff --git a/crypto.go b/crypto.go index 5a2fcf4..61db27d 100644 --- a/crypto.go +++ b/crypto.go @@ -58,11 +58,6 @@ func NewIdentity(privKey ic.PrivKey) (*Identity, error) { }, nil } -// ConfigForAny is a short-hand for ConfigForPeer(""). -func (i *Identity) ConfigForAny() (*tls.Config, <-chan ic.PubKey) { - return i.ConfigForPeer("") -} - // ConfigForPeer creates a new single-use tls.Config that verifies the peer's // certificate chain and returns the peer's public key via the channel. If the // peer ID is empty, the returned config will accept any peer. diff --git a/go.mod b/go.mod index 3ec550f..9f71e41 100644 --- a/go.mod +++ b/go.mod @@ -3,7 +3,7 @@ module github.com/libp2p/go-libp2p-tls go 1.16 require ( - github.com/libp2p/go-libp2p-core v0.3.0 + github.com/libp2p/go-libp2p-core v0.10.0 github.com/onsi/ginkgo v1.12.0 github.com/onsi/gomega v1.9.0 golang.org/x/sys v0.0.0-20191206220618-eeba5f6aabab diff --git a/go.sum b/go.sum index daf9127..28fafdc 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,3 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII= github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw= github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ= @@ -10,76 +8,56 @@ 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/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew 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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= -github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= -github.com/x-cray/logrus-prefixed-formatter v0.5.2/go.mod h1:2duySbKsL6M18s5GU7VPsoEPHyzalCE06qoARUCeBBE= -go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= +github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= -golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= -golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 h1:1wopBVtVdWnn03fZelqdXTqk7U7zPQCb+T4rbU9ZEoU= golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= -golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= -golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU= -golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= -golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI= -golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod 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-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/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= 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= -google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= -google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= -google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= -google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= 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/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/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/transport.go b/transport.go index 1a02f78..6be3c79 100644 --- a/transport.go +++ b/transport.go @@ -45,8 +45,9 @@ func New(key ci.PrivKey) (*Transport, error) { 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() +// If p is empty, connections from any peer are accepted. +func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn, p peer.ID) (sec.SecureConn, error) { + config, keyCh := t.identity.ConfigForPeer(p) cs, err := t.handshake(ctx, tls.Server(insecure, config), keyCh) if err != nil { insecure.Close() diff --git a/transport_test.go b/transport_test.go index c75be57..c85c64e 100644 --- a/transport_test.go +++ b/transport_test.go @@ -17,15 +17,14 @@ import ( "net" "time" - "github.com/onsi/gomega/gbytes" - "github.com/onsi/gomega/types" - ci "github.com/libp2p/go-libp2p-core/crypto" "github.com/libp2p/go-libp2p-core/peer" "github.com/libp2p/go-libp2p-core/sec" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" + "github.com/onsi/gomega/gbytes" + "github.com/onsi/gomega/types" ) type transform struct { @@ -104,7 +103,7 @@ var _ = Describe("Transport", func() { serverConnChan := make(chan sec.SecureConn) go func() { defer GinkgoRecover() - serverConn, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + serverConn, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, "") Expect(err).ToNot(HaveOccurred()) serverConnChan <- serverConn }() @@ -120,8 +119,8 @@ var _ = Describe("Transport", func() { Expect(serverConn.LocalPrivateKey()).To(Equal(serverKey)) 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(ci.KeyEqual(clientConn.RemotePublicKey(), serverKey.GetPublic())).To(BeTrue()) + Expect(ci.KeyEqual(serverConn.RemotePublicKey(), clientKey.GetPublic())).To(BeTrue()) // exchange some data _, err = serverConn.Write([]byte("foobar")) Expect(err).ToNot(HaveOccurred()) @@ -143,7 +142,7 @@ var _ = Describe("Transport", func() { go func() { defer GinkgoRecover() - _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, "") Expect(err).To(HaveOccurred()) }() ctx, cancel := context.WithCancel(context.Background()) @@ -164,37 +163,94 @@ var _ = Describe("Transport", func() { defer GinkgoRecover() ctx, cancel := context.WithCancel(context.Background()) cancel() - _, err := serverTransport.SecureInbound(ctx, serverInsecureConn) + _, err := serverTransport.SecureInbound(ctx, serverInsecureConn, "") Expect(err).To(MatchError(context.Canceled)) }() _, err = clientTransport.SecureOutbound(context.Background(), clientInsecureConn, serverID) Expect(err).To(HaveOccurred()) }) - It("fails if the peer ID doesn't match", func() { - fmt.Fprintf(GinkgoWriter, "Creating another peer") - thirdPartyID, _ := createPeer() + Context("peer ID checks", func() { + It("succeeds when the server checks the client's ID", func() { + serverTransport, err := New(serverKey) + Expect(err).ToNot(HaveOccurred()) + clientTransport, err := New(clientKey) + Expect(err).ToNot(HaveOccurred()) - serverTransport, err := New(serverKey) - Expect(err).ToNot(HaveOccurred()) - clientTransport, err := New(clientKey) - Expect(err).ToNot(HaveOccurred()) + clientInsecureConn, serverInsecureConn := connect() + done := make(chan struct{}) + go func() { + defer GinkgoRecover() + defer close(done) + conn, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, clientID) + Expect(err).ToNot(HaveOccurred()) + Expect(conn.RemotePeer()).To(Equal(clientID)) + b := make([]byte, 6) + _, err = conn.Read(b) + Expect(err).ToNot(HaveOccurred()) + Expect(string(b)).To(Equal("foobar")) + }() + conn, err := clientTransport.SecureOutbound(context.Background(), clientInsecureConn, serverID) + Expect(err).ToNot(HaveOccurred()) + defer conn.Close() + _, err = conn.Write([]byte("foobar")) + Expect(err).ToNot(HaveOccurred()) + Expect(conn.RemotePeer()).To(Equal(serverID)) + Eventually(done).Should(BeClosed()) + }) - clientInsecureConn, serverInsecureConn := connect() + It("fails if the peer ID doesn't match, for outgoing connections", func() { + fmt.Fprintf(GinkgoWriter, "Creating another peer") + thirdPartyID, _ := createPeer() - done := make(chan struct{}) - go func() { - defer GinkgoRecover() - _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + serverTransport, err := New(serverKey) + Expect(err).ToNot(HaveOccurred()) + clientTransport, err := New(clientKey) + Expect(err).ToNot(HaveOccurred()) + + clientInsecureConn, serverInsecureConn := connect() + + done := make(chan struct{}) + go func() { + defer GinkgoRecover() + defer close(done) + _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, "") + Expect(err).To(HaveOccurred()) + Expect(err.Error()).To(ContainSubstring("tls: bad certificate")) + }() + // dial, but expect the wrong peer ID + _, err = clientTransport.SecureOutbound(context.Background(), clientInsecureConn, thirdPartyID) Expect(err).To(HaveOccurred()) - Expect(err.Error()).To(ContainSubstring("tls: bad certificate")) - close(done) - }() - // dial, but expect the wrong peer ID - _, err = clientTransport.SecureOutbound(context.Background(), clientInsecureConn, thirdPartyID) - Expect(err).To(HaveOccurred()) - Expect(err.Error()).To(ContainSubstring("peer IDs don't match")) - Eventually(done).Should(BeClosed()) + Expect(err.Error()).To(ContainSubstring("peer IDs don't match")) + Eventually(done).Should(BeClosed()) + }) + + It("fails if the peer ID doesn't match, for incoming connections", func() { + fmt.Fprintf(GinkgoWriter, "Creating another peer") + thirdPartyID, _ := createPeer() + + serverTransport, err := New(serverKey) + Expect(err).ToNot(HaveOccurred()) + clientTransport, err := New(clientKey) + Expect(err).ToNot(HaveOccurred()) + + clientInsecureConn, serverInsecureConn := connect() + + done := make(chan struct{}) + go func() { + defer GinkgoRecover() + defer close(done) + conn, err := clientTransport.SecureOutbound(context.Background(), clientInsecureConn, serverID) + Expect(err).ToNot(HaveOccurred()) + _, err = conn.Read([]byte{0}) + Expect(err.Error()).To(ContainSubstring("tls: bad certificate")) + }() + // accept connection, but expect the wrong peer ID + _, err = serverTransport.SecureInbound(context.Background(), serverInsecureConn, thirdPartyID) + Expect(err).To(HaveOccurred()) + Expect(err.Error()).To(ContainSubstring("peer IDs don't match")) + Eventually(done).Should(BeClosed()) + }) }) Context("invalid certificates", func() { @@ -398,7 +454,7 @@ var _ = Describe("Transport", func() { done := make(chan struct{}) go func() { defer GinkgoRecover() - _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, "") Expect(err).To(HaveOccurred()) Expect(err.Error()).To(t.remoteErr) close(done) @@ -428,7 +484,7 @@ var _ = Describe("Transport", func() { done := make(chan struct{}) go func() { defer GinkgoRecover() - _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn) + _, err := serverTransport.SecureInbound(context.Background(), serverInsecureConn, "") Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("remote error: tls:")) close(done)