diff --git a/README.md b/README.md index a03f9db..bd1b4e3 100644 --- a/README.md +++ b/README.md @@ -5,7 +5,7 @@ [![](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p) [![Discourse posts](https://img.shields.io/discourse/https/discuss.libp2p.io/posts.svg)](https://discuss.libp2p.io) [![GoDoc](https://godoc.org/github.com/libp2p/go-libp2p-noise?status.svg)](https://godoc.org/github.com/libp2p/go-libp2p-noise) -[![Build Status](https://travis-ci.org/libp2p/go-libp2p-noise.svg?branch=master)](https://travis-ci.org/libp2p/go-libp2p-noise) +[![Build Status](https://travis-ci.com/libp2p/go-libp2p-noise.svg?branch=master)](https://travis-ci.com/libp2p/go-libp2p-noise) > go-libp2p's noise encrypted transport diff --git a/benchmark_test.go b/benchmark_test.go index 180471f..d8f406a 100644 --- a/benchmark_test.go +++ b/benchmark_test.go @@ -124,6 +124,10 @@ func pipeRandom(src rand.Source, w io.WriteCloser, r io.Reader, n int64) error { func benchDataTransfer(b *benchenv, size int64) { var totalBytes int64 var totalTime time.Duration + + b.ResetTimer() + b.ReportAllocs() + for i := 0; i < b.N; i++ { initSession, respSession := b.connect(true) @@ -153,6 +157,9 @@ func BenchmarkTransfer500Mb(b *testing.B) { } func (b benchenv) benchHandshake() { + b.ResetTimer() + b.ReportAllocs() + for i := 0; i < b.N; i++ { i, r := b.connect(false) b.StopTimer() diff --git a/crypto.go b/crypto.go index 86e206a..954a388 100644 --- a/crypto.go +++ b/crypto.go @@ -1,22 +1,46 @@ package noise -import "errors" +import ( + "errors" +) -func (s *secureSession) encrypt(plaintext []byte) (ciphertext []byte, err error) { +// encrypt calls the cipher's encryption. It encrypts the provided plaintext, +// slice-appending the ciphertext on out. +// +// Usually you want to pass a 0-len slice to this method, with enough capacity +// to accommodate the ciphertext in order to spare allocs. +// +// encrypt returns a new slice header, whose len is the length of the resulting +// ciphertext, including the authentication tag. +// +// This method will not allocate if the supplied slice is large enough to +// accommodate the encrypted data + authentication tag. If so, the returned +// slice header should be a view of the original slice. +// +// With the poly1305 MAC function that noise-libp2p uses, the authentication tag +// adds an overhead of 16 bytes. +func (s *secureSession) encrypt(out, plaintext []byte) ([]byte, error) { if s.enc == nil { return nil, errors.New("cannot encrypt, handshake incomplete") } - - // TODO: use pre-allocated buffers - ciphertext = s.enc.Encrypt(nil, nil, plaintext) - return ciphertext, nil + return s.enc.Encrypt(out, nil, plaintext), nil } -func (s *secureSession) decrypt(ciphertext []byte) (plaintext []byte, err error) { +// decrypt calls the cipher's decryption. It decrypts the provided ciphertext, +// slice-appending the plaintext on out. +// +// Usually you want to pass a 0-len slice to this method, with enough capacity +// to accommodate the plaintext in order to spare allocs. +// +// decrypt returns a new slice header, whose len is the length of the resulting +// plaintext, without the authentication tag. +// +// This method will not allocate if the supplied slice is large enough to +// accommodate the plaintext. If so, the returned slice header should be a view +// of the original slice. +func (s *secureSession) decrypt(out, ciphertext []byte) ([]byte, error) { if s.dec == nil { return nil, errors.New("cannot decrypt, handshake incomplete") } - - // TODO: use pre-allocated buffers - return s.dec.Decrypt(nil, nil, ciphertext) + return s.dec.Decrypt(out, nil, ciphertext) } diff --git a/crypto_test.go b/crypto_test.go index c321a26..ca5125c 100644 --- a/crypto_test.go +++ b/crypto_test.go @@ -18,12 +18,12 @@ func TestEncryptAndDecrypt_InitToResp(t *testing.T) { defer respConn.Close() plaintext := []byte("helloworld") - ciphertext, err := initConn.encrypt(plaintext) + ciphertext, err := initConn.encrypt(nil, plaintext) if err != nil { t.Fatal(err) } - result, err := respConn.decrypt(ciphertext) + result, err := respConn.decrypt(nil, ciphertext) if !bytes.Equal(plaintext, result) { t.Fatalf("got %x expected %x", result, plaintext) } else if err != nil { @@ -31,12 +31,12 @@ func TestEncryptAndDecrypt_InitToResp(t *testing.T) { } plaintext = []byte("goodbye") - ciphertext, err = initConn.encrypt(plaintext) + ciphertext, err = initConn.encrypt(nil, plaintext) if err != nil { t.Fatal(err) } - result, err = respConn.decrypt(ciphertext) + result, err = respConn.decrypt(nil, ciphertext) if !bytes.Equal(plaintext, result) { t.Fatalf("got %x expected %x", result, plaintext) } else if err != nil { @@ -53,12 +53,12 @@ func TestEncryptAndDecrypt_RespToInit(t *testing.T) { defer respConn.Close() plaintext := []byte("helloworld") - ciphertext, err := respConn.encrypt(plaintext) + ciphertext, err := respConn.encrypt(nil, plaintext) if err != nil { t.Fatal(err) } - result, err := initConn.decrypt(ciphertext) + result, err := initConn.decrypt(nil, ciphertext) if !bytes.Equal(plaintext, result) { t.Fatalf("got %x expected %x", result, plaintext) } else if err != nil { @@ -75,14 +75,14 @@ func TestCryptoFailsIfCiphertextIsAltered(t *testing.T) { defer respConn.Close() plaintext := []byte("helloworld") - ciphertext, err := respConn.encrypt(plaintext) + ciphertext, err := respConn.encrypt(nil, plaintext) if err != nil { t.Fatal(err) } ciphertext[0] = ^ciphertext[0] - _, err = initConn.decrypt(ciphertext) + _, err = initConn.decrypt(nil, ciphertext) if err == nil { t.Fatal("expected decryption to fail when ciphertext altered") } @@ -94,11 +94,11 @@ func TestCryptoFailsIfHandshakeIncomplete(t *testing.T) { _ = resp.Close() session, _ := newSecureSession(initTransport, context.TODO(), init, "remote-peer", true) - _, err := session.encrypt([]byte("hi")) + _, err := session.encrypt(nil, []byte("hi")) if err == nil { t.Error("expected encryption error when handshake incomplete") } - _, err = session.decrypt([]byte("it's a secret")) + _, err = session.decrypt(nil, []byte("it's a secret")) if err == nil { t.Error("expected decryption error when handshake incomplete") } diff --git a/go-libp2p-noise-ethberlin-1a.pdf b/go-libp2p-noise-ethberlin-1a.pdf deleted file mode 100644 index 062183b..0000000 Binary files a/go-libp2p-noise-ethberlin-1a.pdf and /dev/null differ diff --git a/go.mod b/go.mod index f6654c4..0c4d96f 100644 --- a/go.mod +++ b/go.mod @@ -1,16 +1,13 @@ module github.com/libp2p/go-libp2p-noise -go 1.12 +go 1.14 require ( - github.com/ChainSafe/log15 v1.0.0 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6 github.com/gogo/protobuf v1.3.1 - github.com/golang/protobuf v1.3.4 - github.com/ipfs/go-log v1.0.4 - github.com/libp2p/go-libp2p v0.7.2 - github.com/libp2p/go-libp2p-core v0.3.1 - github.com/libp2p/go-msgio v0.0.4 + github.com/libp2p/go-buffer-pool v0.0.2 + github.com/libp2p/go-libp2p v0.8.1 + github.com/libp2p/go-libp2p-core v0.5.1 github.com/multiformats/go-multiaddr v0.2.1 - golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 + golang.org/x/crypto v0.0.0-20200423211502-4bdfaf469ed5 ) diff --git a/go.sum b/go.sum index 8c35111..c107a08 100644 --- a/go.sum +++ b/go.sum @@ -1,16 +1,13 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= +github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= -github.com/ChainSafe/log15 v1.0.0 h1:vRDVtWtVwIH5uSCBvgTTZh6FA58UBJ6+QiiypaZfBf8= -github.com/ChainSafe/log15 v1.0.0/go.mod h1:5v1+ALHtdW0NfAeeoYyKmzCAMcAeqkdhIg4uxXWIgOg= github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y= github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII= github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8= -github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c h1:aEbSeNALREWXk0G7UdNhR3ayBV7tZ4M2PNmnrCAph6Q= github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI= -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/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw= github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ= @@ -31,6 +28,7 @@ github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE= 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/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davidlazar/go-crypto v0.0.0-20170701192655-dcfb0a7ac018 h1:6xT9KW8zLC5IlbaIF5Q7JNieBoACT7iW0YTxQHR0in0= github.com/davidlazar/go-crypto v0.0.0-20170701192655-dcfb0a7ac018/go.mod h1:rQYf4tfk5sSwFsnDg3qYaBxSjsD9S8+59vW0dKUgme4= @@ -42,98 +40,85 @@ github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUn github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6 h1:u/UEqS66A5ckRmS4yNpjmVH56sVtS/RfclBAYocb4as= github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6/go.mod h1:1i71OnUq3iUe1ma7Lr6yG6/rjvM3emb6yoL7xLFzcVQ= +github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= 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h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc= 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 v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= @@ -483,21 +421,20 @@ golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnf golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f/go.mod 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h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= 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/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs= golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= -golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= 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= @@ -506,9 +443,7 @@ golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190227160552-c95aed5357e7/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/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g= golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -525,18 +460,16 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20190219092855-153ac476189d/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190228124157-a34e9553db1e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190405154228-4b34438f7a67/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb h1:fgwFCsaw9buMuxNd6+DQfAuSFqbNiQZpcgJQAgJsK6k= +golang.org/x/sys v0.0.0-20190526052359-791d8a0f4d09/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 h1:rOhMmluY6kLMhdnrivzec6lLgaVbMHMn2ISQXJeJ5EM= -golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8= golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/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= @@ -546,14 +479,12 @@ golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGm 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 v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= -golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= -golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191216052735-49a3e744a425 h1:VvQyQJN0tSuecqgcIxMWnnfG5kSmgy9KZR9sW3W5QeA= golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/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= @@ -565,14 +496,16 @@ google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZi google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 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/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= +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= -honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= diff --git a/handshake.go b/handshake.go index 23c6d63..7d4fce7 100644 --- a/handshake.go +++ b/handshake.go @@ -4,6 +4,7 @@ import ( "context" "crypto/rand" "fmt" + "time" "github.com/flynn/noise" "github.com/gogo/protobuf/proto" @@ -26,7 +27,7 @@ var cipherSuite = noise.NewCipherSuite(noise.DH25519, noise.CipherChaChaPoly, no func (s *secureSession) runHandshake(ctx context.Context) error { kp, err := noise.DH25519.GenerateKeypair(rand.Reader) if err != nil { - return fmt.Errorf("error generating static keypair: %s", err) + return fmt.Errorf("error generating static keypair: %w", err) } cfg := noise.Config{ @@ -38,7 +39,7 @@ func (s *secureSession) runHandshake(ctx context.Context) error { hs, err := noise.NewHandshakeState(cfg) if err != nil { - return fmt.Errorf("error initializing handshake state: %s", err) + return fmt.Errorf("error initializing handshake state: %w", err) } payload, err := s.generateHandshakePayload(kp) @@ -46,17 +47,30 @@ func (s *secureSession) runHandshake(ctx context.Context) error { return err } + // set a deadline to complete the handshake, if one has been supplied. + // clear it after we're done. + if deadline, ok := ctx.Deadline(); ok { + if err := s.SetDeadline(deadline); err == nil { + // schedule the deadline removal once we're done handshaking. + defer s.SetDeadline(time.Time{}) + } + // TODO: else case (transport doesn't support native timeouts); spin off + // a goroutine to monitor the context cancellation and pull the rug + // from under by closing the connection altogether. + } + if s.initiator { // stage 0 // + // do not send the payload just yet, as it would be plaintext; not secret. err = s.sendHandshakeMessage(hs, nil) if err != nil { - return fmt.Errorf("error sending handshake message: %s", err) + return fmt.Errorf("error sending handshake message: %w", err) } // stage 1 // plaintext, err := s.readHandshakeMessage(hs) if err != nil { - return fmt.Errorf("error reading handshake message: %s", err) + return fmt.Errorf("error reading handshake message: %w", err) } err = s.handleRemoteHandshakePayload(plaintext, hs.PeerStatic()) if err != nil { @@ -66,25 +80,25 @@ func (s *secureSession) runHandshake(ctx context.Context) error { // stage 2 // err = s.sendHandshakeMessage(hs, payload) if err != nil { - return fmt.Errorf("error sending handshake message: %s", err) + return fmt.Errorf("error sending handshake message: %w", err) } } else { // stage 0 // plaintext, err := s.readHandshakeMessage(hs) if err != nil { - return fmt.Errorf("error reading handshake message: %s", err) + return fmt.Errorf("error reading handshake message: %w", err) } // stage 1 // err = s.sendHandshakeMessage(hs, payload) if err != nil { - return fmt.Errorf("error sending handshake message: %s", err) + return fmt.Errorf("error sending handshake message: %w", err) } // stage 2 // plaintext, err = s.readHandshakeMessage(hs) if err != nil { - return fmt.Errorf("error reading handshake message: %s", err) + return fmt.Errorf("error reading handshake message: %w", err) } err = s.handleRemoteHandshakePayload(plaintext, hs.PeerStatic()) if err != nil { @@ -95,9 +109,11 @@ func (s *secureSession) runHandshake(ctx context.Context) error { return nil } -// setCipherStates is called when the final handshake message is processed by +// setCipherStates sets the initial cipher states that will be used to protect +// traffic after the handshake. +// +// It is called when the final handshake message is processed by // either sendHandshakeMessage or readHandshakeMessage. -// It sets the initial cipher states that will be used to protect traffic after the handshake. func (s *secureSession) setCipherStates(cs1, cs2 *noise.CipherState) { if s.initiator { s.enc = cs1 @@ -109,6 +125,7 @@ func (s *secureSession) setCipherStates(cs1, cs2 *noise.CipherState) { } // sendHandshakeMessage sends the next handshake message in the sequence. +// // If payload is non-empty, it will be included in the handshake message. // If this is the final message in the sequence, calls setCipherStates // to initialize cipher states. @@ -118,7 +135,7 @@ func (s *secureSession) sendHandshakeMessage(hs *noise.HandshakeState, payload [ return err } - err = s.writeMsgInsecure(buf) + _, err = s.writeMsgInsecure(buf) if err != nil { return err } @@ -131,8 +148,10 @@ func (s *secureSession) sendHandshakeMessage(hs *noise.HandshakeState, payload [ // readHandshakeMessage reads a message from the insecure conn and tries to // process it as the expected next message in the handshake sequence. +// // If the message contains a payload, it will be decrypted and returned. -// If this is the final message in the sequence, calls setCipherStates +// +// If this is the final message in the sequence, it calls setCipherStates // to initialize cipher states. func (s *secureSession) readHandshakeMessage(hs *noise.HandshakeState) ([]byte, error) { raw, err := s.readMsgInsecure() @@ -152,17 +171,18 @@ func (s *secureSession) readHandshakeMessage(hs *noise.HandshakeState) ([]byte, // generateHandshakePayload creates a libp2p handshake payload with a // signature of our static noise key. func (s *secureSession) generateHandshakePayload(localStatic noise.DHKey) ([]byte, error) { - // setup libp2p keys + // obtain the public key from the handshake session so we can sign it with + // our libp2p secret key. localKeyRaw, err := s.LocalPublicKey().Bytes() if err != nil { - return nil, fmt.Errorf("error serializing libp2p identity key: %s", err) + return nil, fmt.Errorf("error serializing libp2p identity key: %w", err) } - // sign noise data for payload + // prepare payload to sign; perform signature. toSign := append([]byte(payloadSigPrefix), localStatic.Public...) signedPayload, err := s.localKey.Sign(toSign) if err != nil { - return nil, fmt.Errorf("error sigining handshake payload: %s", err) + return nil, fmt.Errorf("error sigining handshake payload: %w", err) } // create payload @@ -171,7 +191,7 @@ func (s *secureSession) generateHandshakePayload(localStatic noise.DHKey) ([]byt payload.IdentitySig = signedPayload payloadEnc, err := proto.Marshal(payload) if err != nil { - return nil, fmt.Errorf("error marshaling handshake payload: %s", err) + return nil, fmt.Errorf("error marshaling handshake payload: %w", err) } return payloadEnc, nil } @@ -183,7 +203,7 @@ func (s *secureSession) handleRemoteHandshakePayload(payload []byte, remoteStati nhp := new(pb.NoiseHandshakePayload) err := proto.Unmarshal(payload, nhp) if err != nil { - return fmt.Errorf("error unmarshaling remote handshake payload: %s", err) + return fmt.Errorf("error unmarshaling remote handshake payload: %w", err) } // unpack remote peer's public libp2p key @@ -198,15 +218,16 @@ func (s *secureSession) handleRemoteHandshakePayload(payload []byte, remoteStati // if we know who we're trying to reach, make sure we have the right peer if s.initiator && s.remoteID != id { - return fmt.Errorf("peer id mismatch: expected %s, but remote key matches %s", s.remoteID, id) + // use Pretty() as it produces the full b58-encoded string, rather than abbreviated forms. + return fmt.Errorf("peer id mismatch: expected %s, but remote key matches %s", s.remoteID.Pretty(), id.Pretty()) } - // verify payload is signed by libp2p key + // verify payload is signed by asserted remote libp2p key. sig := nhp.GetIdentitySig() msg := append([]byte(payloadSigPrefix), remoteStatic...) ok, err := remotePubKey.Verify(msg, sig) if err != nil { - return fmt.Errorf("error verifying signature: %s", err) + return fmt.Errorf("error verifying signature: %w", err) } else if !ok { return fmt.Errorf("handshake signature invalid") } diff --git a/integration_test.go b/integration_test.go index bd793b3..6677c00 100644 --- a/integration_test.go +++ b/integration_test.go @@ -4,17 +4,18 @@ import ( "context" "crypto/rand" "fmt" + "io" + "io/ioutil" + mrand "math/rand" + "testing" + "time" + "github.com/libp2p/go-libp2p" "github.com/libp2p/go-libp2p-core/crypto" "github.com/libp2p/go-libp2p-core/host" net "github.com/libp2p/go-libp2p-core/network" "github.com/libp2p/go-libp2p-core/peer" ma "github.com/multiformats/go-multiaddr" - "io" - "io/ioutil" - mrand "math/rand" - "testing" - "time" ) const testProtocolID = "/test/noise/integration" @@ -65,22 +66,38 @@ func makeNode(t *testing.T, seed int64, port int) (host.Host, error) { func TestLibp2pIntegration(t *testing.T) { ctx := context.Background() - ha, err := makeNode(t, 1, 33333) + ha, err := makeNode(t, 1, 0) if err != nil { t.Fatal(err) } - defer ha.Close() - hb, err := makeNode(t, 2, 34343) + hb, err := makeNode(t, 2, 0) if err != nil { t.Fatal(err) } - defer hb.Close() - ha.SetStreamHandler(testProtocolID, streamHandler(t)) - hb.SetStreamHandler(testProtocolID, streamHandler(t)) + doneCh := make(chan struct{}) + + // hb reads. + hb.SetStreamHandler(testProtocolID, func(stream net.Stream) { + defer func() { + if err := stream.Close(); err != nil { + t.Error("error closing stream: ", err) + } + close(doneCh) + }() + + start := time.Now() + c, err := io.Copy(ioutil.Discard, stream) + elapsed := time.Since(start) + if err != nil { + t.Error("error reading from stream: ", err) + return + } + t.Logf("read %d bytes in %dms", c, elapsed.Milliseconds()) + }) addr, err := ma.NewMultiaddr(fmt.Sprintf("%s/p2p/%s", hb.Addrs()[0].String(), hb.ID())) if err != nil { @@ -99,6 +116,7 @@ func TestLibp2pIntegration(t *testing.T) { t.Fatal(err) } + // ha writes. stream, err := ha.NewStream(ctx, hb.ID(), testProtocolID) if err != nil { t.Fatal(err) @@ -109,9 +127,8 @@ func TestLibp2pIntegration(t *testing.T) { t.Fatal(err) } + <-doneCh fmt.Println("fin") - - time.Sleep(time.Second) } func writeRandomPayloadAndClose(t *testing.T, stream net.Stream) error { @@ -123,29 +140,9 @@ func writeRandomPayloadAndClose(t *testing.T, stream net.Stream) error { c, err := io.Copy(stream, lr) elapsed := time.Since(start) + t.Logf("wrote %d bytes in %dms", c, elapsed.Milliseconds()) if err != nil { return fmt.Errorf("failed to write out bytes: %v", err) } - t.Logf("wrote %d bytes in %dms", c, elapsed.Milliseconds()) return stream.Close() } - -func streamHandler(t *testing.T) func(net.Stream) { - return func(stream net.Stream) { - t.Helper() - defer func() { - if err := stream.Close(); err != nil { - t.Error("error closing stream: ", err) - } - }() - - start := time.Now() - c, err := io.Copy(ioutil.Discard, stream) - elapsed := time.Since(start) - if err != nil { - t.Error("error reading from stream: ", err) - return - } - t.Logf("read %d bytes in %dms", c, elapsed.Milliseconds()) - } -} diff --git a/rw.go b/rw.go index cf7d583..07984ec 100644 --- a/rw.go +++ b/rw.go @@ -4,95 +4,112 @@ import ( "encoding/binary" "fmt" "io" + + pool "github.com/libp2p/go-buffer-pool" + "golang.org/x/crypto/poly1305" ) -// Each encrypted transport message must be <= 65,535 bytes, including 16 -// bytes of authentication data. To write larger plaintexts, we split them -// into fragments of maxPlaintextLength before encrypting. -const maxPlaintextLength = 65519 +// MaxTransportMsgLength is the Noise-imposed maximum transport message length, +// inclusive of the MAC size (16 bytes, Poly1305 for noise-libp2p). +const MaxTransportMsgLength = 0xffff + +// MaxPlaintextLength is the maximum payload size. It is MaxTransportMsgLength +// minus the MAC size. Payloads over this size will be automatically chunked. +const MaxPlaintextLength = MaxTransportMsgLength - poly1305.TagSize -// Read reads from the secure connection, filling `buf` with plaintext data. -// May read less than len(buf) if data is available immediately. +// LengthPrefixLength is the length of the length prefix itself, which precedes +// all transport messages in order to delimit them. In bytes. +const LengthPrefixLength = 2 + +// Read reads from the secure connection, returning plaintext data in `buf`. +// +// Honours io.Reader in terms of behaviour. func (s *secureSession) Read(buf []byte) (int, error) { s.readLock.Lock() defer s.readLock.Unlock() - l := len(buf) - - // if we have previously unread bytes, and they fit into the buf, copy them over and return - if l <= len(s.msgBuffer) { - copy(buf, s.msgBuffer) - s.msgBuffer = s.msgBuffer[l:] - return l, nil + // 1. If we have queued received bytes: + // 1a. If len(buf) < len(queued), saturate buf, update seek pointer, return. + // 1b. If len(buf) >= len(queued), copy remaining to buf, release queued buffer back into pool, return. + // + // 2. Else, read the next message off the wire; next_len is length prefix. + // 2a. If len(buf) >= next_len, copy the message to input buffer (zero-alloc path), and return. + // 2b. If len(buf) < next_len, obtain buffer from pool, copy entire message into it, saturate buf, update seek pointer. + if s.qbuf != nil { + // we have queued bytes; copy as much as we can. + copied := copy(buf, s.qbuf[s.qseek:]) + s.qseek += copied + if s.qseek == len(s.qbuf) { + // queued buffer is now empty, reset and release. + pool.Put(s.qbuf) + s.qseek, s.qbuf = 0, nil + } + return copied, nil } - readChunk := func(buf []byte) (int, error) { - ciphertext, err := s.readMsgInsecure() - if err != nil { - return 0, err - } + // cbuf is the ciphertext buffer. + cbuf, err := s.readMsgInsecure() + if err != nil { + return 0, err + } - plaintext, err := s.decrypt(ciphertext) - if err != nil { + // plen is the payload length: the transport message size minus the authentication tag. + // if the reader is willing to read at least as many bytes as we are receiving, + // decrypt the message directly into the buffer (zero-alloc path). + if plen := len(cbuf) - poly1305.TagSize; len(buf) >= plen { + defer pool.Put(cbuf) + if _, err := s.decrypt(buf[:0], cbuf); err != nil { return 0, err } - - // append plaintext to message buffer, copy over what can fit in the buf - // then advance message buffer to remove what was copied - s.msgBuffer = append(s.msgBuffer, plaintext...) - c := copy(buf, s.msgBuffer) - s.msgBuffer = s.msgBuffer[c:] - return c, nil + return plen, nil } - total := 0 - for i := 0; i < len(buf); i += maxPlaintextLength { - end := i + maxPlaintextLength - if end > len(buf) { - end = len(buf) - } - - c, err := readChunk(buf[i:end]) - total += c - if err != nil { - return total, err - } + // otherwise, get a buffer from the pool so we can stash the payload. + // we decrypt in place, since we're retaining cbuf (or a vew thereof). + if s.qbuf, err = s.decrypt(cbuf[:0], cbuf); err != nil { + return 0, err } - return total, nil + // copy as many bytes as we can; update seek pointer. + s.qseek = copy(buf, s.qbuf) + return s.qseek, nil } // Write encrypts the plaintext `in` data and sends it on the // secure connection. -func (s *secureSession) Write(in []byte) (int, error) { +func (s *secureSession) Write(data []byte) (int, error) { s.writeLock.Lock() defer s.writeLock.Unlock() - writeChunk := func(in []byte) (int, error) { - ciphertext, err := s.encrypt(in) - if err != nil { - return 0, err + var ( + written int + cbuf []byte + total = len(data) + ) + + if total < MaxPlaintextLength { + cbuf = pool.Get(total + poly1305.TagSize) + } else { + cbuf = pool.Get(MaxTransportMsgLength) + } + defer pool.Put(cbuf) + + for written < total { + end := written + MaxPlaintextLength + if end > total { + end = total } - err = s.writeMsgInsecure(ciphertext) + b, err := s.encrypt(cbuf[:0], data[written:end]) if err != nil { return 0, err } - return len(in), err - } - - written := 0 - for i := 0; i < len(in); i += maxPlaintextLength { - end := i + maxPlaintextLength - if end > len(in) { - end = len(in) - } - l, err := writeChunk(in[i:end]) - written += l + _, err = s.writeMsgInsecure(b) if err != nil { return written, err } + written = end } return written, nil } @@ -101,26 +118,31 @@ func (s *secureSession) Write(in []byte) (int, error) { // it first reads the message length, then consumes that many bytes // from the insecure conn. func (s *secureSession) readMsgInsecure() ([]byte, error) { - buf := make([]byte, 2) - _, err := io.ReadFull(s.insecure, buf) + _, err := io.ReadFull(s.insecure, s.rlen[:]) if err != nil { return nil, err } - size := int(binary.BigEndian.Uint16(buf)) - buf = make([]byte, size) + size := int(binary.BigEndian.Uint16(s.rlen[:])) + buf := pool.Get(size) _, err = io.ReadFull(s.insecure, buf) return buf, err } // writeMsgInsecure writes to the insecure conn. // data will be prefixed with its length in bytes, written as a 16-bit uint in network order. -func (s *secureSession) writeMsgInsecure(data []byte) error { - buf := make([]byte, 2) - binary.BigEndian.PutUint16(buf, uint16(len(data))) - _, err := s.insecure.Write(buf) - if err != nil { - return fmt.Errorf("error writing length prefix: %s", err) +func (s *secureSession) writeMsgInsecure(data []byte) (int, error) { + // we rather stage the length-prefixed write in a buffer to then call Write + // on the underlying transport at once, rather than Write twice and likely + // induce transport-level fragmentation. + l := len(data) + buf := pool.Get(LengthPrefixLength + l) + defer pool.Put(buf) + + // length-prefix || data + binary.BigEndian.PutUint16(buf, uint16(l)) + n := copy(buf[LengthPrefixLength:], data) + if n != l { + return 0, fmt.Errorf("assertion failed during noise secure channel write; expected to copy %d bytes, copied: %d", l, n) } - _, err = s.insecure.Write(data) - return err + return s.insecure.Write(buf) } diff --git a/session.go b/session.go index a88619a..53a564d 100644 --- a/session.go +++ b/session.go @@ -20,17 +20,20 @@ type secureSession struct { remoteID peer.ID remoteKey crypto.PubKey - insecure net.Conn - msgBuffer []byte readLock sync.Mutex writeLock sync.Mutex + insecure net.Conn + + qseek int // queued bytes seek value. + qbuf []byte // queued bytes buffer. + rlen [2]byte // work buffer to read in the incoming message length. enc *noise.CipherState dec *noise.CipherState } -// newSecureSession creates a noise session over the given insecure Conn, using the -// libp2p identity keypair from the given Transport. +// newSecureSession creates a Noise session over the given insecure Conn, using +// the libp2p identity keypair from the given Transport. func newSecureSession(tpt *Transport, ctx context.Context, insecure net.Conn, remote peer.ID, initiator bool) (*secureSession, error) { s := &secureSession{ insecure: insecure, diff --git a/transport.go b/transport.go index 8bcdf95..a1daa7d 100644 --- a/transport.go +++ b/transport.go @@ -35,12 +35,12 @@ func New(privkey crypto.PrivKey) (*Transport, error) { }, nil } -// SecureInbound runs noise handshake as the responder +// SecureInbound runs the Noise handshake as the responder. func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn) (sec.SecureConn, error) { return newSecureSession(t, ctx, insecure, "", false) } -// SecureOutbound runs noise handshake as the initiator +// SecureOutbound runs the Noise handshake as the initiator. func (t *Transport) SecureOutbound(ctx context.Context, insecure net.Conn, p peer.ID) (sec.SecureConn, error) { return newSecureSession(t, ctx, insecure, p, true) } diff --git a/transport_test.go b/transport_test.go index 6e51e2a..6e4cee5 100644 --- a/transport_test.go +++ b/transport_test.go @@ -3,9 +3,12 @@ package noise import ( "bytes" "context" + "errors" + "io" "math/rand" "net" "testing" + "time" crypto "github.com/libp2p/go-libp2p-core/crypto" "github.com/libp2p/go-libp2p-core/peer" @@ -86,6 +89,28 @@ func connect(t *testing.T, initTransport, respTransport *Transport) (*secureSess return initConn.(*secureSession), respConn.(*secureSession) } +func TestDeadlines(t *testing.T) { + initTransport := newTestTransport(t, crypto.Ed25519, 2048) + respTransport := newTestTransport(t, crypto.Ed25519, 2048) + + init, resp := newConnPair(t) + defer init.Close() + defer resp.Close() + + ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) + defer cancel() + + _, err := initTransport.SecureOutbound(ctx, init, respTransport.localID) + if err == nil { + t.Fatalf("expected i/o timeout err; got: %s", err) + } + + var neterr net.Error + if ok := errors.As(err, &neterr); !ok || !neterr.Timeout() { + t.Fatalf("expected i/o timeout err; got: %s", err) + } +} + func TestIDs(t *testing.T) { initTransport := newTestTransport(t, crypto.Ed25519, 2048) respTransport := newTestTransport(t, crypto.Ed25519, 2048) @@ -177,7 +202,7 @@ func TestLargePayloads(t *testing.T) { } after := make([]byte, len(before)) - afterLen, err := respConn.Read(after) + afterLen, err := io.ReadFull(respConn, after) if err != nil { t.Fatal(err) }