diff --git a/client/lib/rendezvous.go b/client/lib/rendezvous.go index 10853a5..32da081 100644 --- a/client/lib/rendezvous.go +++ b/client/lib/rendezvous.go @@ -21,7 +21,7 @@ import ( "git.torproject.org/pluggable-transports/snowflake.git/common/nat" "git.torproject.org/pluggable-transports/snowflake.git/common/util" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" ) const ( @@ -134,6 +134,7 @@ func (bc *BrokerChannel) Negotiate(offer *webrtc.SessionDescription) ( if nil != err { return nil, err } + log.Printf("Received answer: %s", string(body)) return util.DeserializeSessionDescription(string(body)) case http.StatusServiceUnavailable: return nil, errors.New(BrokerError503) diff --git a/client/lib/webrtc.go b/client/lib/webrtc.go index 3a23ffc..af7ba6d 100644 --- a/client/lib/webrtc.go +++ b/client/lib/webrtc.go @@ -9,7 +9,7 @@ import ( "sync" "time" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" ) // Remote WebRTC peer. @@ -25,6 +25,7 @@ type WebRTCPeer struct { writePipe *io.PipeWriter lastReceive time.Time + open chan struct{} // Channel to notify when datachannel opens closed bool once sync.Once // Synchronization for PeerConnection destruction @@ -107,11 +108,7 @@ func (c *WebRTCPeer) connect(config *webrtc.Configuration, broker *BrokerChannel log.Println(c.id, " connecting...") // TODO: When go-webrtc is more stable, it's possible that a new // PeerConnection won't need to be re-prepared each time. - var err error - c.pc, err = preparePeerConnection(config) - if err != nil { - return err - } + c.preparePeerConnection(config) answer, err := broker.Negotiate(c.pc.LocalDescription()) if err != nil { return err @@ -122,73 +119,42 @@ func (c *WebRTCPeer) connect(config *webrtc.Configuration, broker *BrokerChannel log.Println("WebRTC: Unable to SetRemoteDescription:", err) return err } - c.transport, err = c.establishDataChannel() - if err != nil { - log.Printf("WebRTC: establishing data channel: %v", err) - // nolint: golint - return errors.New("WebRTC: Could not establish DataChannel") + + // Wait for the datachannel to open or time out + select { + case <-c.open: + case <-time.After(DataChannelTimeout): + c.transport.Close() + return errors.New("timeout waiting for DataChannel.OnOpen") } + go c.checkForStaleness() return nil } // preparePeerConnection creates a new WebRTC PeerConnection and returns it // after ICE candidate gathering is complete.. -func preparePeerConnection(config *webrtc.Configuration) (*webrtc.PeerConnection, error) { - pc, err := webrtc.NewPeerConnection(*config) +func (c *WebRTCPeer) preparePeerConnection(config *webrtc.Configuration) error { + var err error + c.pc, err = webrtc.NewPeerConnection(*config) if err != nil { log.Printf("NewPeerConnection ERROR: %s", err) - return nil, err + return err } - // Prepare PeerConnection callbacks. - offerChannel := make(chan struct{}) - // Allow candidates to accumulate until ICEGatheringStateComplete. - pc.OnICECandidate(func(candidate *webrtc.ICECandidate) { - if candidate == nil { - log.Printf("WebRTC: Done gathering candidates") - close(offerChannel) - } else { - log.Printf("WebRTC: Got ICE candidate: %s", candidate.String()) - } - }) - - offer, err := pc.CreateOffer(nil) - // TODO: Potentially timeout and retry if ICE isn't working. - if err != nil { - log.Println("Failed to prepare offer", err) - pc.Close() - return nil, err - } - log.Println("WebRTC: Created offer") - err = pc.SetLocalDescription(offer) - if err != nil { - log.Println("Failed to prepare offer", err) - pc.Close() - return nil, err - } - log.Println("WebRTC: Set local description") - - <-offerChannel // Wait for ICE candidate gathering to complete. - log.Println("WebRTC: PeerConnection created.") - return pc, nil -} - -// Create a WebRTC DataChannel locally. Blocks until the data channel is open, -// or a timeout or error occurs. -func (c *WebRTCPeer) establishDataChannel() (*webrtc.DataChannel, error) { ordered := true dataChannelOptions := &webrtc.DataChannelInit{ Ordered: &ordered, } + // We must create the data channel before creating an offer + // https://github.com/pion/webrtc/wiki/Release-WebRTC@v3.0.0 dc, err := c.pc.CreateDataChannel(c.id, dataChannelOptions) if err != nil { log.Printf("CreateDataChannel ERROR: %s", err) - return nil, err + return err } - openChannel := make(chan struct{}) dc.OnOpen(func() { log.Println("WebRTC: DataChannel.OnOpen") - close(openChannel) + close(c.open) }) dc.OnClose(func() { log.Println("WebRTC: DataChannel.OnClose") @@ -209,15 +175,31 @@ func (c *WebRTCPeer) establishDataChannel() (*webrtc.DataChannel, error) { } c.lastReceive = time.Now() }) + c.transport = dc + c.open = make(chan struct{}) log.Println("WebRTC: DataChannel created.") - select { - case <-openChannel: - return dc, nil - case <-time.After(DataChannelTimeout): - dc.Close() - return nil, errors.New("timeout waiting for DataChannel.OnOpen") + // Allow candidates to accumulate until ICEGatheringStateComplete. + done := webrtc.GatheringCompletePromise(c.pc) + offer, err := c.pc.CreateOffer(nil) + // TODO: Potentially timeout and retry if ICE isn't working. + if err != nil { + log.Println("Failed to prepare offer", err) + c.pc.Close() + return err } + log.Println("WebRTC: Created offer") + err = c.pc.SetLocalDescription(offer) + if err != nil { + log.Println("Failed to prepare offer", err) + c.pc.Close() + return err + } + log.Println("WebRTC: Set local description") + + <-done // Wait for ICE candidate gathering to complete. + log.Println("WebRTC: PeerConnection created.") + return nil } // Close all channels and transports diff --git a/client/snowflake.go b/client/snowflake.go index e293e73..d79de97 100644 --- a/client/snowflake.go +++ b/client/snowflake.go @@ -20,7 +20,7 @@ import ( sf "git.torproject.org/pluggable-transports/snowflake.git/client/lib" "git.torproject.org/pluggable-transports/snowflake.git/common/nat" "git.torproject.org/pluggable-transports/snowflake.git/common/safelog" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" ) const ( diff --git a/common/util/util.go b/common/util/util.go index b317e0b..3d2acc3 100644 --- a/common/util/util.go +++ b/common/util/util.go @@ -6,7 +6,7 @@ import ( "net" "github.com/pion/sdp/v2" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" ) func SerializeSessionDescription(desc *webrtc.SessionDescription) (string, error) { diff --git a/go.mod b/go.mod index 2ba1b2d..2931be7 100644 --- a/go.mod +++ b/go.mod @@ -4,15 +4,13 @@ go 1.13 require ( git.torproject.org/pluggable-transports/goptlib.git v1.1.0 - github.com/golang/protobuf v1.3.1 // indirect github.com/gorilla/websocket v1.4.1 github.com/pion/sdp/v2 v2.3.4 github.com/pion/stun v0.3.5 - github.com/pion/webrtc/v2 v2.2.2 + github.com/pion/webrtc/v3 v3.0.0 github.com/smartystreets/goconvey v1.6.4 github.com/xtaci/kcp-go/v5 v5.5.12 github.com/xtaci/smux v1.5.12 - golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d - golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa - golang.org/x/text v0.3.2 // indirect + golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 + golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7 ) diff --git a/go.sum b/go.sum index 9ccfb30..6214f5c 100644 --- a/go.sum +++ b/go.sum @@ -1,18 +1,24 @@ git.torproject.org/pluggable-transports/goptlib.git v1.1.0 h1:LMQAA8pAho+QtYrrVNimJQiINNEwcwuuD99vezD/PAo= git.torproject.org/pluggable-transports/goptlib.git v1.1.0/go.mod h1:YT4XMSkuEXbtqlydr9+OxqFAyspUv0Gr9qhM3B++o/Q= -github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE= -github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ= 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/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/golang/mock v1.2.0 h1:28o5sBqPkBsMGnC6b4MvE2TzSr5/AT4c/1fLqVGIwlk= -github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM= github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= -github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg= -github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y= +github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8= github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM= @@ -30,49 +36,56 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= -github.com/lucas-clemente/quic-go v0.7.1-0.20190401152353-907071221cf9 h1:tbuodUh2vuhOVZAdW3NEUvosFHUMJwUNl7jk/VSEiwc= -github.com/lucas-clemente/quic-go v0.7.1-0.20190401152353-907071221cf9/go.mod h1:PpMmPfPKO9nKJ/psF49ESTAGQSdfXxlg1otPbEB2nOw= -github.com/marten-seemann/qtls v0.2.3 h1:0yWJ43C62LsZt08vuQJDK1uC1czUc3FJeCLPoNAI4vA= -github.com/marten-seemann/qtls v0.2.3/go.mod h1:xzjG7avBwGGbdZ8dTGxlBnLArsVKLvwmjgmPuiQEcYk= +github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= -github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs= -github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= -github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU= -github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= -github.com/pion/datachannel v1.4.15 h1:DrizUL97f9evDyoskyMLrFFFmOWCfXFGiGSbxmQyYt4= -github.com/pion/datachannel v1.4.15/go.mod h1:yixWvOWPime7vRVuihP1GzZPBELQkO/ZM1mrBc2BNM8= -github.com/pion/dtls/v2 v2.0.0-rc.7 h1:LDAIQDt1pcuAIJs7Q2EZ3PSl8MseCFA2nCW0YYSYCx0= -github.com/pion/dtls/v2 v2.0.0-rc.7/go.mod h1:U199DvHpRBN0muE9+tVN4TMy1jvEhZIZ63lk4xkvVSk= -github.com/pion/ice v0.7.9 h1:RKol/0RFu3TIE8ZLIFV1A1e/QW22B6BZKvSG9sfawEM= -github.com/pion/ice v0.7.9/go.mod h1:8BCwuq/EqAKhtUb8CIw2fWjVLotWOu13XJY09H3RVxA= +github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= +github.com/onsi/ginkgo v1.14.2/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY= +github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= +github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= +github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc= +github.com/pion/datachannel v1.4.21 h1:3ZvhNyfmxsAqltQrApLPQMhSFNA+aT87RqyCq4OXmf0= +github.com/pion/datachannel v1.4.21/go.mod h1:oiNyP4gHx2DIwRzX/MFyH0Rz/Gz05OgBlayAI2hAWjg= +github.com/pion/dtls/v2 v2.0.4 h1:WuUcqi6oYMu/noNTz92QrF1DaFj4eXbhQ6dzaaAwOiI= +github.com/pion/dtls/v2 v2.0.4/go.mod h1:qAkFscX0ZHoI1E07RfYPoRw3manThveu+mlTDdOxoGI= +github.com/pion/ice/v2 v2.0.14 h1:FxXxauyykf89SWAtkQCfnHkno6G8+bhRkNguSh9zU+4= +github.com/pion/ice/v2 v2.0.14/go.mod h1:wqaUbOq5ObDNU5ox1hRsEst0rWfsKuH1zXjQFEWiZwM= +github.com/pion/interceptor v0.0.8 h1:qsVJv9RF7mPq/RUnUV5iZCzxwGizO880FuiFKkEGQaE= +github.com/pion/interceptor v0.0.8/go.mod h1:dHgEP5dtxOTf21MObuBAjJeAayPxLUAZjerGH8Xr07c= github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY= github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms= github.com/pion/mdns v0.0.4 h1:O4vvVqr4DGX63vzmO6Fw9vpy3lfztVWHGCQfyw0ZLSY= github.com/pion/mdns v0.0.4/go.mod h1:R1sL0p50l42S5lJs91oNdUL58nm0QHrhxnSegr++qC0= -github.com/pion/quic v0.1.1 h1:D951FV+TOqI9A0rTF7tHx0Loooqz+nyzjEyj8o3PuMA= -github.com/pion/quic v0.1.1/go.mod h1:zEU51v7ru8Mp4AUBJvj6psrSth5eEFNnVQK5K48oV3k= -github.com/pion/rtcp v1.2.1 h1:S3yG4KpYAiSmBVqKAfgRa5JdwBNj4zK3RLUa8JYdhak= -github.com/pion/rtcp v1.2.1/go.mod h1:a5dj2d6BKIKHl43EnAOIrCczcjESrtPuMgfmL6/K6QM= -github.com/pion/rtp v1.3.0/go.mod h1:q9wPnA96pu2urCcW/sK/RiDn597bhGoAQQ+y2fDwHuY= -github.com/pion/rtp v1.3.2 h1:Yfzf1mU4Zmg7XWHitzYe2i+l+c68iO+wshzIUW44p1c= -github.com/pion/rtp v1.3.2/go.mod h1:q9wPnA96pu2urCcW/sK/RiDn597bhGoAQQ+y2fDwHuY= -github.com/pion/sctp v1.7.5 h1:ognJDlxP7dN2xMUEHEea5pqjdD78o5UAMcLoP1JIp1g= -github.com/pion/sctp v1.7.5/go.mod h1:ichkYQ5tlgCQwEwvgfdcAolqx1nHbYCxo4D7zK/K0X8= +github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA= +github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8= +github.com/pion/rtcp v1.2.4/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0= +github.com/pion/rtcp v1.2.6 h1:1zvwBbyd0TeEuuWftrd/4d++m+/kZSeiguxU61LFWpo= +github.com/pion/rtcp v1.2.6/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0= +github.com/pion/rtp v1.6.1/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko= +github.com/pion/rtp v1.6.2 h1:iGBerLX6JiDjB9NXuaPzHyxHFG9JsIEdgwTC0lp5n/U= +github.com/pion/rtp v1.6.2/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko= +github.com/pion/sctp v1.7.10/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0= +github.com/pion/sctp v1.7.11 h1:UCnj7MsobLKLuP/Hh+JMiI/6W5Bs/VF45lWKgHFjSIE= +github.com/pion/sctp v1.7.11/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0= github.com/pion/sdp/v2 v2.3.4 h1:+f3F5Xl7ynVhc9Il8Dc7BFroYJWG3PMbfWtwFlVI+kg= github.com/pion/sdp/v2 v2.3.4/go.mod h1:jccXVYW0fuK6ds2pwKr89SVBDYlCjhgMI6nucl5R5rA= -github.com/pion/srtp v1.2.7 h1:UYyLs5MXwbFtXWduBA5+RUWhaEBX7GmetXDZSKP+uPM= -github.com/pion/srtp v1.2.7/go.mod h1:KIgLSadhg/ioogO/LqIkRjZrwuJo0c9RvKIaGQj4Yew= -github.com/pion/stun v0.3.3 h1:brYuPl9bN9w/VM7OdNzRSLoqsnwlyNvD9MVeJrHjDQw= -github.com/pion/stun v0.3.3/go.mod h1:xrCld6XM+6GWDZdvjPlLMsTU21rNxnO6UO8XsAvHr/M= +github.com/pion/sdp/v3 v3.0.3 h1:gJK9hk+JFD2NGIM1nXmqNCq1DkVaIZ9dlA3u3otnkaw= +github.com/pion/sdp/v3 v3.0.3/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk= +github.com/pion/srtp/v2 v2.0.0-rc.3 h1:1fPiK1nJlNyh235tSGgBnXrPc99wK1/D707f6ntb3qY= +github.com/pion/srtp/v2 v2.0.0-rc.3/go.mod h1:S6J9oY6ahAXdU3ni4nUwhWTJuBfssFjPxoB0u41TBpY= github.com/pion/stun v0.3.5 h1:uLUCBCkQby4S1cf6CGuR9QrVOKcvUwFeemaC865QHDg= github.com/pion/stun v0.3.5/go.mod h1:gDMim+47EeEtfWogA37n6qXZS88L5V6LqFcf+DZA2UA= -github.com/pion/transport v0.6.0/go.mod h1:iWZ07doqOosSLMhZ+FXUTq+TamDoXSllxpbGcfkCmbE= github.com/pion/transport v0.8.10 h1:lTiobMEw2PG6BH/mgIVqTV2mBp/mPT+IJLaN8ZxgdHk= github.com/pion/transport v0.8.10/go.mod h1:tBmha/UCjpum5hqTWhfAEs3CO4/tHSg0MYRhSzR+CZ8= -github.com/pion/turn/v2 v2.0.3 h1:SJUUIbcPoehlyZgMyIUbBBDhI03sBx32x3JuSIBKBWA= -github.com/pion/turn/v2 v2.0.3/go.mod h1:kl1hmT3NxcLynpXVnwJgObL8C9NaCyPTeqI2DcCpSZs= -github.com/pion/webrtc/v2 v2.2.2 h1:ace9itTe8YND8m3lv5ndQurfk/DsChj+4pBzVJeBA04= -github.com/pion/webrtc/v2 v2.2.2/go.mod h1:oftEPcdfIvZVC1J0VP1OpyVCwB9tDkRXSYAszkL/2k4= +github.com/pion/transport v0.10.0/go.mod h1:BnHnUipd0rZQyTVB2SBGojFHT9CBt5C5TcsJSQGkvSE= +github.com/pion/transport v0.10.1/go.mod h1:PBis1stIILMiis0PewDw91WJeLJkyIMcEk+DwKOzf4A= +github.com/pion/transport v0.12.0 h1:UFmOBBZkTZ3LgvLRf/NGrfWdZEubcU6zkLU3PsA9YvU= +github.com/pion/transport v0.12.0/go.mod h1:N3+vZQD9HlDP5GWkZ85LohxNsDcNgofQmyL6ojX5d8Q= +github.com/pion/turn/v2 v2.0.5 h1:iwMHqDfPEDEOFzwWKT56eFmh6DYC6o/+xnLAEzgISbA= +github.com/pion/turn/v2 v2.0.5/go.mod h1:APg43CFyt/14Uy7heYUOGWdkem/Wu4PhCO/bjyrTqMw= +github.com/pion/udp v0.1.0 h1:uGxQsNyrqG3GLINv36Ff60covYmfrLoxzwnCsIYspXI= +github.com/pion/udp v0.1.0/go.mod h1:BPELIjbwE9PRbd/zxI/KYBnbo7B6+oA6YuEaNE8lths= +github.com/pion/webrtc/v3 v3.0.0 h1:/eTiY3NbfpKj5op8cqtCZlpTv9/yumd17YRinDNOUX0= +github.com/pion/webrtc/v3 v3.0.0/go.mod h1:/xwKHOAk1Y8dspJcxMwuTtxpi8t/Gzks37iB3W6hNuM= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -84,10 +97,11 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s= github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= +github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/templexxx/cpu v0.0.1 h1:hY4WdLOgKdc8y13EYklu9OUTXik80BkxHoWvTO6MQQY= github.com/templexxx/cpu v0.0.1/go.mod h1:w7Tb+7qgcAlIyX4NhLuDKt78AHA5SzPmq0Wj6HiEnnk= github.com/templexxx/xorsimd v0.4.1 h1:iUZcywbOYDRAZUasAs2eSCUW8eobuZDy0I9FJiORkVg= @@ -100,34 +114,55 @@ github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae h1:J0GxkO96kL4WF+A github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae/go.mod h1:gXtu8J62kEgmN++bm9BVICuT/e8yiLI2KFobd/TRFsE= github.com/xtaci/smux v1.5.12 h1:n9OGjdqQuVZXLh46+L4IR5tR2wvuUFwRABnN/V55bIY= github.com/xtaci/smux v1.5.12/go.mod h1:OMlQbT5vcgl2gb49mFkYo6SMf+zP3rcjcwQz7ZU7IGY= -golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d h1:9FCpayM9Egr1baVnV1SX0H87m+XB0B8S0hAMi99X/3U= -golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 h1:pLI5jrR7OSLijeIDcmRxNmw2api+jEfxLoykJVice/E= +golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/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/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa h1:F+8P+gmewFQYRk6JoLQLwjBCTu3mcIURZfNkVweuRKA= -golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= +golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7 h1:3uJsdck53FDIpWwLeAXlia9p4C8j0BO2xZrqzKpL0D8= +golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/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 v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8 h1:JA8d3MPx/IToSyXZG/RhwYEtfrKO1Fxrqe8KrkiLXKM= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA= +golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= 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/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= +google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= +google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= +google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= +google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= +google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/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= @@ -135,6 +170,9 @@ gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= 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 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +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/probetest/probetest.go b/probetest/probetest.go index d952123..f9bc96b 100644 --- a/probetest/probetest.go +++ b/probetest/probetest.go @@ -24,7 +24,7 @@ import ( "git.torproject.org/pluggable-transports/snowflake.git/common/safelog" "git.torproject.org/pluggable-transports/snowflake.git/common/util" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" "golang.org/x/crypto/acme/autocert" ) @@ -58,7 +58,10 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, dc.Close() }) }) - + // As of v3.0.0, pion-webrtc uses trickle ICE by default. + // We have to wait for candidate gathering to complete + // before we send the offer + done := webrtc.GatheringCompletePromise(pc) err = pc.SetRemoteDescription(*sdp) if err != nil { if inerr := pc.Close(); inerr != nil { @@ -82,7 +85,8 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, } return nil, err } - + // Wait for ICE candidate gathering to complete + <-done return pc, nil } diff --git a/proxy/proxy-go_test.go b/proxy/proxy-go_test.go index e2fb82e..e935ad9 100644 --- a/proxy/proxy-go_test.go +++ b/proxy/proxy-go_test.go @@ -14,7 +14,7 @@ import ( "git.torproject.org/pluggable-transports/snowflake.git/common/messages" "git.torproject.org/pluggable-transports/snowflake.git/common/util" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" . "github.com/smartystreets/goconvey/convey" ) diff --git a/proxy/snowflake.go b/proxy/snowflake.go index f0fa2c0..78a053d 100644 --- a/proxy/snowflake.go +++ b/proxy/snowflake.go @@ -24,7 +24,7 @@ import ( "git.torproject.org/pluggable-transports/snowflake.git/common/websocketconn" "github.com/gorilla/websocket" "github.com/pion/sdp/v2" - "github.com/pion/webrtc/v2" + "github.com/pion/webrtc/v3" ) const defaultBrokerURL = "https://snowflake-broker.bamsoftware.com/" @@ -394,7 +394,10 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, go handler(conn, conn.RemoteAddr()) }) - + // As of v3.0.0, pion-webrtc uses trickle ICE by default. + // We have to wait for candidate gathering to complete + // before we send the offer + done := webrtc.GatheringCompletePromise(pc) err = pc.SetRemoteDescription(*sdp) if err != nil { if inerr := pc.Close(); inerr != nil { @@ -423,7 +426,8 @@ func makePeerConnectionFromOffer(sdp *webrtc.SessionDescription, } return nil, err } - + // Wait for ICE candidate gathering to complete + <-done return pc, nil } @@ -437,22 +441,8 @@ func makeNewPeerConnection(config webrtc.Configuration, return nil, fmt.Errorf("accept: NewPeerConnection: %s", err) } - offer, err := pc.CreateOffer(nil) - // TODO: Potentially timeout and retry if ICE isn't working. - if err != nil { - log.Println("Failed to prepare offer", err) - pc.Close() - return nil, err - } - log.Println("WebRTC: Created offer") - err = pc.SetLocalDescription(offer) - if err != nil { - log.Println("Failed to prepare offer", err) - pc.Close() - return nil, err - } - log.Println("WebRTC: Set local description") - + // Must create a data channel before creating an offer + // https://github.com/pion/webrtc/wiki/Release-WebRTC@v3.0.0 dc, err := pc.CreateDataChannel("test", &webrtc.DataChannelInit{}) if err != nil { log.Printf("CreateDataChannel ERROR: %s", err) @@ -466,6 +456,30 @@ func makeNewPeerConnection(config webrtc.Configuration, log.Println("WebRTC: DataChannel.OnClose") dc.Close() }) + + offer, err := pc.CreateOffer(nil) + // TODO: Potentially timeout and retry if ICE isn't working. + if err != nil { + log.Println("Failed to prepare offer", err) + pc.Close() + return nil, err + } + log.Println("WebRTC: Created offer") + + // As of v3.0.0, pion-webrtc uses trickle ICE by default. + // We have to wait for candidate gathering to complete + // before we send the offer + done := webrtc.GatheringCompletePromise(pc) + err = pc.SetLocalDescription(offer) + if err != nil { + log.Println("Failed to prepare offer", err) + pc.Close() + return nil, err + } + log.Println("WebRTC: Set local description") + + // Wait for ICE candidate gathering to complete + <-done return pc, nil } @@ -606,6 +620,7 @@ func checkNATType(config webrtc.Configuration, probeURL string) { offer := pc.LocalDescription() sdp, err := util.SerializeSessionDescription(offer) + log.Printf("Offer: %s", sdp) if err != nil { log.Printf("Error encoding probe message: %s", err.Error()) return