June 2011 - tor-commits - lists.torproject.org

[flashproxy/master] New RTMFP relay started in Proxy.as, building relay system for Tor client and patsy proxy
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit 3f5a036ef65d488d575c3ec8e3a8a3f7b7e69f6e Author: Nate Hardison <nate(a)rescomp-09-154551.stanford.edu> Date: Wed May 4 16:28:34 2011 -0700 New RTMFP relay started in Proxy.as, building relay system for Tor client and patsy proxy --- Connector.as | 52 +++++++++++ Makefile | 2 +- Proxy.as | 261 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ RTMFPRelay.as | 272 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 586 insertions(+), 1 deletions(-) diff --git a/Connector.as b/Connector.as new file mode 100644 index 0000000..f362dd3 --- /dev/null +++ b/Connector.as @@ -0,0 +1,52 @@ +package +{ + import flash.display.Sprite; + import flash.text.TextField; + import flash.net.Socket; + import flash.events.Event; + import flash.events.EventDispatcher; + import flash.events.IOErrorEvent; + import flash.events.NetStatusEvent; + import flash.events.ProgressEvent; + import flash.events.SecurityErrorEvent; + import flash.net.NetConnection; + import flash.net.NetStream; + import flash.utils.ByteArray; + import flash.utils.clearInterval; + import flash.utils.setInterval; + import flash.utils.setTimeout; + + public class Connector extends RTMFPRelay { + + private var output_text:TextField; + + private var fac_addr:Object; + private var tor_addr:Object; + + public function Connector() { + output_text = new TextField(); + output_text.width = 400; + output_text.height = 300; + output_text.background = true; + output_text.backgroundColor = 0x001f0f; + output_text.textColor = 0x44CC44; + addChild(output_text); + + puts("Starting."); + // Wait until the query string parameters are loaded. + this.loaderInfo.addEventListener(Event.COMPLETE, loaderinfo_complete); + } + + + private function loaderinfo_complete(e:Event):void + { + var fac_spec:String; + var tor_spec:String; + + puts("Parameters loaded."); + + + } + +} + \ No newline at end of file diff --git a/Makefile b/Makefile index 27ba9d8..6f03eb6 100644 --- a/Makefile +++ b/Makefile @@ -5,7 +5,7 @@ TARGETS = swfcat.swf all: $(TARGETS) %.swf: %.as - $(MXMLC) -output $@ $^ + $(MXMLC) -output $@ -define=RTMFP::CIRRUS_KEY,\"$(CIRRUS_KEY)\" $^ clean: rm -f $(TARGETS) diff --git a/Proxy.as b/Proxy.as new file mode 100644 index 0000000..01b2fe3 --- /dev/null +++ b/Proxy.as @@ -0,0 +1,261 @@ +package +{ + import flash.display.Sprite; + import flash.text.TextField; + import flash.net.Socket; + import flash.events.Event; + import flash.events.EventDispatcher; + import flash.events.IOErrorEvent; + import flash.events.NetStatusEvent; + import flash.events.ProgressEvent; + import flash.events.SecurityErrorEvent; + import flash.net.NetConnection; + import flash.net.NetStream; + import flash.utils.ByteArray; + import flash.utils.clearInterval; + import flash.utils.setInterval; + import flash.utils.setTimeout; + + public class Proxy extends Sprite + { + /* David's relay (nickname 3VXRyxz67OeRoqHn) that also serves a + crossdomain policy. */ + private const DEFAULT_TOR_ADDR:Object = { + host: "173.255.221.44", + port: 9001 + }; + + /* Address of the Cirrus rendezvous service with Nate's + developer key appended */ + private static const CIRRUS_ADDRESS:String = "rtmfp://p2p.rtmfp.net/" + RTMFP::CIRRUS_KEY + "/"; + + // The name of our data stream + public static const DATA:String = "data"; + + private var output_text:TextField; + + // Socket to Tor relay. + private var s_t:Socket; + // Socket to facilitator. + private var s_f:Socket; + + /* Connection to the Cirrus rendezvous service that will hook + us up with the Tor client */ + public var cirrus:NetConnection; + + // The Tor client's peerID (used when establishing the client_stream) + private var client_id:String; + + // The data streams to be established with the Tor client + public var send_stream:NetStream; + public var recv_stream:NetStream; + + private var fac_addr:Object; + private var tor_addr:Object; + + private function puts(s:String):void + { + output_text.appendText(s + "\n"); + output_text.scrollV = output_text.maxScrollV; + } + + public function Proxy() + { + output_text = new TextField(); + output_text.width = 400; + output_text.height = 300; + output_text.background = true; + output_text.backgroundColor = 0x001f0f; + output_text.textColor = 0x44CC44; + addChild(output_text); + + puts("Starting."); + // Wait until the query string parameters are loaded. + this.loaderInfo.addEventListener(Event.COMPLETE, loaderinfo_complete); + } + + private function loaderinfo_complete(e:Event):void + { + var fac_spec:String; + var tor_spec:String; + + puts("Parameters loaded."); + fac_spec = this.loaderInfo.parameters["facilitator"]; + if (!fac_spec) { + puts("Error: no \"facilitator\" specification provided."); + return; + } + puts("Facilitator spec: \"" + fac_spec + "\""); + fac_addr = parse_addr_spec(fac_spec); + if (!fac_addr) { + puts("Error: Facilitator spec must be in the form \"host:port\"."); + return; + } + + tor_addr = DEFAULT_TOR_ADDR; + + go(); + } + + /* We connect first to the Tor relay; once that happens we connect to + the facilitator to get a client address; once we have the address + of a waiting client then we connect to the client and BAM! we're in business. */ + private function go():void + { + s_t = new Socket(); + + s_t.addEventListener(Event.CONNECT, tor_connected); + s_t.addEventListener(Event.CLOSE, function (e:Event):void { + puts("Tor: closed."); + }); + s_t.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + puts("Tor: I/O error: " + e.text + "."); + }); + s_t.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { + puts("Tor: security error: " + e.text + "."); + + }); + + puts("Tor: connecting to " + tor_addr.host + ":" + tor_addr.port + "."); + s_t.connect(tor_addr.host, tor_addr.port); + } + + private function tor_connected(e:Event):void + { + /* Got a connection to tor, now let's get served a client from the facilitator */ + s_f = new Socket(); + + puts("Tor: connected."); + s_f.addEventListener(Event.CONNECT, fac_connected); + s_f.addEventListener(Event.CLOSE, function (e:Event):void { + puts("Facilitator: closed connection."); + }); + s_f.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + puts("Facilitator: I/O error: " + e.text + "."); + if (s_t.connected) + s_t.close(); + }); + s_f.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { + puts("Facilitator: security error: " + e.text + "."); + if (s_t.connected) + s_t.close(); + }); + + puts("Facilitator: connecting to " + fac_addr.host + ":" + fac_addr.port + "."); + s_f.connect(fac_addr.host, fac_addr.port); + } + + private function fac_connected(e:Event):void + { + puts("Facilitator: connected."); + + s_f.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var client_spec:String; + var client_addr:Object; + + client_spec = s_f.readMultiByte(e.bytesLoaded, "utf-8"); + puts("Facilitator: got \"" + client_spec + "\""); + + /*client_addr = parse_addr_spec(client_spec); + if (!client_addr) { + puts("Error: Client spec must be in the form \"host:port\"."); + return; + } + if (client_addr.host == "0.0.0.0" && client_addr.port == 0) { + puts("Error: Facilitator has no clients."); + return; + }*/ + + /* Now we have a client, so start up a connection to the Cirrus rendezvous point */ + cirrus = new NetConnection(); + cirrus.addEventListener(NetStatusEvent.NET_STATUS, net_status_event_handler); + cirrus.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + if (s_t.connected) s_t.close(); + if (s_f.connected) s_f.close(); + }); + + cirrus.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityError):void { + if (s_t.connected) s_t.close(); + if (s_f.connected) s_f.close(); + }); + + cirrus.connect(CIRRUS_ADDRESS); + }); + + s_f.writeUTFBytes("GET / HTTP/1.0\r\n\r\n"); + } + + private function net_status_event_handler(e:NetStatusEvent):void + { + switch (e.info.code) { + case "NetConnection.Connect.Success" : + // Cirrus is now connected + cirrus_connected(e); + } + + } + + private function cirrus_connected(e:Event):void + { + if (client_id == null) { + puts("Error: Client ID doesn't exist."); + return; + } else if (client_id == cirrus.nearID) { + puts("Error: Client ID is our ID."); + return; + } + + send_stream = new NetStream(cirrus, NetStream.DIRECT_CONNECTIONS); + send_stream.addEventListener(NetStatusEvent.NET_STATUS, net_status_event_handler); + send_stream.publish(DATA); + + recv_stream = new NetStream(cirrus, client_id); + recv_stream.addEventListener(NetStatusEvent.NET_STATUS, net_status_event_handler); + recv_stream.play(DATA); + } + + /*private function client_connected(e:Event):void + { + puts("Client: connected."); + + s_t.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var bytes:ByteArray = new ByteArray(); + s_t.readBytes(bytes, 0, e.bytesLoaded); + puts("Tor: read " + bytes.length + "."); + s_c.writeBytes(bytes); + }); + s_c.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var bytes:ByteArray = new ByteArray(); + s_c.readBytes(bytes, 0, e.bytesLoaded); + puts("Client: read " + bytes.length + "."); + s_t.writeBytes(bytes); + }); + }*/ + + private function close_connections():void + { + if (s_t.connected) s_t.close(); + if (s_f.connected) s_f.close(); + if (cirrus.connected) cirrus.close(); + if (send_stream != null) send_stream.close(); + if (recv_stream != null) recv_stream.close(); + } + + /* Parse an address in the form "host:port". Returns an Object with + keys "host" (String) and "port" (int). Returns null on error. */ + private static function parse_addr_spec(spec:String):Object + { + var parts:Array; + var addr:Object; + + parts = spec.split(":", 2); + if (parts.length != 2 || !parseInt(parts[1])) + return null; + addr = {} + addr.host = parts[0]; + addr.port = parseInt(parts[1]); + + return addr; + } + } +} diff --git a/RTMFPRelay.as b/RTMFPRelay.as new file mode 100644 index 0000000..27b3208 --- /dev/null +++ b/RTMFPRelay.as @@ -0,0 +1,272 @@ +package +{ + import flash.display.Sprite; + import flash.text.TextField; + import flash.net.Socket; + import flash.events.Event; + import flash.events.EventDispatcher; + import flash.events.IOErrorEvent; + import flash.events.NetStatusEvent; + import flash.events.ProgressEvent; + import flash.events.SecurityErrorEvent; + import flash.net.NetConnection; + import flash.net.NetStream; + import flash.utils.ByteArray; + import flash.utils.clearInterval; + import flash.utils.setInterval; + import flash.utils.setTimeout; + + import Utils; + + public class RTMFPRelay extends Sprite + { + private static const CIRRUS_ADDRESS:String = "rtmfp://p2p.rtmfp.net"; + private static const CIRRUS_DEV_KEY:String = RTMFP::CIRRUS_KEY; + + /* The name of the "media" to pass between peers */ + public static const DATA:String = "data"; + + protected var output_text:TextField; + + // Socket to Tor relay. + private var s_t:Socket; + // Socket to facilitator. + private var s_f:Socket; + + /* Connection to the Cirrus rendezvous service */ + private var cirrus_conn:NetConnection; + + /* ID of the peer to connect to */ + private var peer_id:String; + + /* Data streams to be established with peer */ + private var send_stream:NetStream; + private var recv_stream:NetStream; + + private var fac_addr:Object; + private var tor_addr:Object; + + private function puts(s:String):void + { + output_text.appendText(s + "\n"); + output_text.scrollV = output_text.maxScrollV; + } + + public function RTMFPRelay() + { + output_text = new TextField(); + output_text.width = 400; + output_text.height = 300; + output_text.background = true; + output_text.backgroundColor = 0x001f0f; + output_text.textColor = 0x44CC44; + addChild(output_text); + + puts("Starting."); + + cirrus_conn = new NetConnection(); + cirrus_conn.addEventListener(NetStatusEvent.NET_STATUS, function (e:NetStatusEvent):void { + puts("Cirrus: connected."); + }); + cirrus_conn.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + puts("Cirrus: I/O error: " + e.text + "."); + }); + + cirrus_conn.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityError):void { + puts("Cirrus: security error: " + e.text + "."); + }); + + cirrus_conn.connect(CIRRUS_ADDRESS + "/" + CIRRUS_DEV_KEY); + + + // Wait until the query string parameters are loaded. + this.loaderInfo.addEventListener(Event.COMPLETE, loaderinfo_complete); + } + + public function data_is(data:ByteArray):void + { + + + } + + public function facilitator_is(host:String, port:String):void + { + if (s_f != null && s_f.connected) { + + return; + } + + s_f = new Socket(); + + s_f.addEventListener(Event.CONNECT, function (e:Event):void { + puts("Facilitator: connected."); + }); + s_f.addEventListener(Event.CLOSE, function (e:Event):void { + puts("Facilitator: closed connection."); + }); + s_f.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + puts("Facilitator: I/O error: " + e.text + "."); + }); + s_f.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { + puts("Facilitator: security error: " + e.text + "."); + }); + + puts("Facilitator: connecting to " + host + ":" + port + "."); + s_f.connect(host, port); + } + + public function peer(peer_id:String):String + { + return this.peer_id; + } + + public function peer_is(peer_id:String):void + { + if (peer_id == null) { + puts("Error: Client ID doesn't exist."); + return; + } else if (peer_id == cirrus_conn.nearID) { + puts("Error: Client ID is our ID."); + return; + } else if (this.peer_id == peer_id) { + + } else if (this.recv_stream != null) { + puts("Error: already set up with a peer!"); + return; + } + + this.peer_id = peer_id; + + send_stream = new NetStream(cirrus_conn, NetStream.DIRECT_CONNECTIONS); + send_stream.addEventListener(NetStatusEvent.NET_STATUS, net_status_event_handler); + send_stream.publish(DATA); + + recv_stream = new NetStream(cirrus_conn, peer_id); + recv_stream.addEventListener(NetStatusEvent.NET_STATUS, net_status_event_handler); + recv_stream.play(DATA); + } + + public function tor_relay_is(host:String, port:String):void + { + if (s_t != null && s_t.connected) { + puts("Error: already connected to Tor relay!"); + return; + } + + s_t = new Socket(); + + s_t.addEventListener(Event.CONNECT, function (e:Event):void { + puts("Tor: connected."); + }); + s_t.addEventListener(Event.CLOSE, function (e:Event):void { + puts("Tor: closed."); + }); + s_t.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + puts("Tor: I/O error: " + e.text + "."); + }); + s_t.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { + puts("Tor: security error: " + e.text + "."); + }); + + puts("Tor: connecting to " + host + ":" + port + "."); + s_t.connect(host, port); + } + + private function loaderinfo_complete(e:Event):void + { + var fac_spec:String; + var tor_spec:String; + + puts("Parameters loaded."); + fac_spec = this.loaderInfo.parameters["facilitator"]; + if (!fac_spec) { + puts("Error: no \"facilitator\" specification provided."); + return; + } + puts("Facilitator spec: \"" + fac_spec + "\""); + fac_addr = parse_addr_spec(fac_spec); + if (!fac_addr) { + puts("Error: Facilitator spec must be in the form \"host:port\"."); + return; + } + + tor_addr = DEFAULT_TOR_ADDR; + + go(); + } + + private function fac_connected(e:Event):void + { + + + s_f.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var client_spec:String; + var client_addr:Object; + + client_spec = s_f.readMultiByte(e.bytesLoaded, "utf-8"); + puts("Facilitator: got \"" + client_spec + "\""); + + /*client_addr = parse_addr_spec(client_spec); + if (!client_addr) { + puts("Error: Client spec must be in the form \"host:port\"."); + return; + } + if (client_addr.host == "0.0.0.0" && client_addr.port == 0) { + puts("Error: Facilitator has no clients."); + return; + }*/ + + /* Now we have a client, so start up a connection to the Cirrus rendezvous point */ + + }); + + s_f.writeUTFBytes("GET / HTTP/1.0\r\n\r\n"); + } + + private function net_status_event_handler(e:NetStatusEvent):void + { + switch (e.info.code) { + case "NetConnection.Connect.Success" : + // Cirrus is now connected + cirrus_connected(e); + } + + } + + private function cirrus_connected(e:Event):void + { + + + + } + + /*private function client_connected(e:Event):void + { + puts("Client: connected."); + + s_t.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var bytes:ByteArray = new ByteArray(); + s_t.readBytes(bytes, 0, e.bytesLoaded); + puts("Tor: read " + bytes.length + "."); + s_c.writeBytes(bytes); + }); + s_c.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { + var bytes:ByteArray = new ByteArray(); + s_c.readBytes(bytes, 0, e.bytesLoaded); + puts("Client: read " + bytes.length + "."); + s_t.writeBytes(bytes); + }); + }*/ + + private function close_connections():void + { + if (s_t.connected) s_t.close(); + if (s_f.connected) s_f.close(); + if (cirrus.connected) cirrus.close(); + if (send_stream != null) send_stream.close(); + if (recv_stream != null) recv_stream.close(); + } + + + } +}

1 0

[flashproxy/master] Switch back to the public relay.
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit 5570e265c210b44c539707aae7398f75630d5388 Author: David Fifield <david(a)bamsoftware.com> Date: Tue May 24 15:58:28 2011 -0700 Switch back to the public relay. --- com/rtmfpcat/rtmfpcat.as | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/com/rtmfpcat/rtmfpcat.as b/com/rtmfpcat/rtmfpcat.as index c3d3fca..328274a 100644 --- a/com/rtmfpcat/rtmfpcat.as +++ b/com/rtmfpcat/rtmfpcat.as @@ -29,10 +29,10 @@ package port: 3333 }; - /* David's bridge (nickname eRYaZuvY02FpExln) that also serves a + /* David's relay (nickname 3VXRyxz67OeRoqHn) that also serves a crossdomain policy. */ private const DEFAULT_TOR_PROXY_ADDR:Object = { - host: "69.164.193.231", + host: "173.255.221.44", port: 9001 };

1 0

[flashproxy/master] Add an RTMFPSocket.close method.
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit f46a9e3f6844ca996d15bb4434c18ac127ac0a71 Author: David Fifield <david(a)bamsoftware.com> Date: Tue May 24 15:58:16 2011 -0700 Add an RTMFPSocket.close method. --- com/rtmfpcat/rtmfp/RTMFPSocket.as | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/com/rtmfpcat/rtmfp/RTMFPSocket.as b/com/rtmfpcat/rtmfp/RTMFPSocket.as index 6c61781..bb00994 100644 --- a/com/rtmfpcat/rtmfp/RTMFPSocket.as +++ b/com/rtmfpcat/rtmfp/RTMFPSocket.as @@ -67,6 +67,11 @@ package rtmfp connectionTimeout = setInterval(fail, DEFAULT_CONNECT_TIMEOUT); } + public function close():void + { + connection.close(); + } + public function get id():String { if (connection != null && connection.connected) {

1 0

[flashproxy/master] Replaced tabs with spaces
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit c4093a2b4ab730ddc53163009c0f409dcee41dab Author: ellitron <jdellit(a)stanford.edu> Date: Tue May 24 19:51:41 2011 -0700 Replaced tabs with spaces --- com/rtmfpcat/rtmfp/RTMFPSocket.as | 231 +++++++++++++++++++------------------ 1 files changed, 116 insertions(+), 115 deletions(-) diff --git a/com/rtmfpcat/rtmfp/RTMFPSocket.as b/com/rtmfpcat/rtmfp/RTMFPSocket.as index bb00994..2d634f0 100644 --- a/com/rtmfpcat/rtmfp/RTMFPSocket.as +++ b/com/rtmfpcat/rtmfp/RTMFPSocket.as @@ -27,205 +27,206 @@ package rtmfp import rtmfp.events.RTMFPSocketEvent; [Event(name="connectSuccess", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="connectFail", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="publishStart", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="peerConnected", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="peeringSuccess", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="peeringFail", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] - [Event(name="peerDisconnected", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="connectFail", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="publishStart", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="peerConnected", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="peeringSuccess", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="peeringFail", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] + [Event(name="peerDisconnected", type="com.jscat.rtmfp.events.RTMFPSocketEvent")] public class RTMFPSocket extends EventDispatcher { /* The name of the "media" to pass between peers */ private static const DATA:String = "data"; - private static const DEFAULT_CIRRUS_ADDRESS:String = "rtmfp://p2p.rtmfp.net"; - private static const DEFAULT_CIRRUS_KEY:String = RTMFP::CIRRUS_KEY; - private static const DEFAULT_CONNECT_TIMEOUT:uint = 4000; - + private static const DEFAULT_CIRRUS_ADDRESS:String = "rtmfp://p2p.rtmfp.net"; + private static const DEFAULT_CIRRUS_KEY:String = RTMFP::CIRRUS_KEY; + private static const DEFAULT_CONNECT_TIMEOUT:uint = 4000; + /* Connection to the Cirrus rendezvous service */ private var connection:NetConnection; - - /* ID of the peer to connect to */ - private var peerID:String; - - /* Data streams to be established with peer */ - private var sendStream:NetStream; - private var recvStream:NetStream; - - /* Timeouts */ - private var connectionTimeout:int; - private var peerConnectTimeout:uint; + + /* ID of the peer to connect to */ + private var peerID:String; + + /* Data streams to be established with peer */ + private var sendStream:NetStream; + private var recvStream:NetStream; + + /* Timeouts */ + private var connectionTimeout:int; + private var peerConnectTimeout:uint; public function RTMFPSocket(){} public function connect(addr:String = DEFAULT_CIRRUS_ADDRESS, key:String = DEFAULT_CIRRUS_KEY):void { - connection = new NetConnection(); - connection.addEventListener(NetStatusEvent.NET_STATUS, onNetStatusEvent); - connection.addEventListener(IOErrorEvent.IO_ERROR, onIOErrorEvent); - connection.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onSecurityErrorEvent); - connection.connect(addr + "/" + key); - connectionTimeout = setInterval(fail, DEFAULT_CONNECT_TIMEOUT); + connection = new NetConnection(); + connection.addEventListener(NetStatusEvent.NET_STATUS, onNetStatusEvent); + connection.addEventListener(IOErrorEvent.IO_ERROR, onIOErrorEvent); + connection.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onSecurityErrorEvent); + connection.connect(addr + "/" + key); + connectionTimeout = setInterval(fail, DEFAULT_CONNECT_TIMEOUT); } public function close():void { - connection.close(); + connection.close(); } public function get id():String { - if (connection != null && connection.connected) { - return connection.nearID; - } + if (connection != null && connection.connected) { + return connection.nearID; + } - return null; + return null; } public function get connected():Boolean { - return (connection != null && connection.connected); + return (connection != null && connection.connected); } public function readBytes(bytes:ByteArray):void { - recvStream.client.bytes.readBytes(bytes); + recvStream.client.bytes.readBytes(bytes); } public function writeBytes(bytes:ByteArray):void { - sendStream.send("dataAvailable", bytes); + sendStream.send("dataAvailable", bytes); } public function get peer():String { - return this.peerID; + return this.peerID; } public function set peer(peerID:String):void { - if (peerID == null || peerID.length == 0) { - throw new Error("Peer ID is null/empty.") - } else if (peerID == connection.nearID) { - throw new Error("Peer ID cannot be the same as our ID."); - } else if (this.peerID == peerID) { - throw new Error("Already connected to peer " + peerID + "."); - } else if (this.recvStream != null) { - throw new Error("Cannot connect to a second peer."); - } + if (peerID == null || peerID.length == 0) { + throw new Error("Peer ID is null/empty.") + } else if (peerID == connection.nearID) { + throw new Error("Peer ID cannot be the same as our ID."); + } else if (this.peerID == peerID) { + throw new Error("Already connected to peer " + peerID + "."); + } else if (this.recvStream != null) { + throw new Error("Cannot connect to a second peer."); + } - this.peerID = peerID; + this.peerID = peerID; - recvStream = new NetStream(connection, peerID); - var client:RTMFPSocketClient = new RTMFPSocketClient(); - client.addEventListener(ProgressEvent.SOCKET_DATA, onDataAvailable, false, 0, true); - client.addEventListener(RTMFPSocketClient.PEER_CONNECT_ACKNOWLEDGED, onPeerConnectAcknowledged, false, 0, true); - recvStream.client = client; - recvStream.addEventListener(NetStatusEvent.NET_STATUS, onRecvStreamEvent); - recvStream.play(DATA); - setTimeout(onPeerConnectTimeout, peerConnectTimeout, recvStream); + recvStream = new NetStream(connection, peerID); + var client:RTMFPSocketClient = new RTMFPSocketClient(); + client.addEventListener(ProgressEvent.SOCKET_DATA, onDataAvailable, false, 0, true); + client.addEventListener(RTMFPSocketClient.PEER_CONNECT_ACKNOWLEDGED, onPeerConnectAcknowledged, false, 0, true); + recvStream.client = client; + recvStream.addEventListener(NetStatusEvent.NET_STATUS, onRecvStreamEvent); + recvStream.play(DATA); + setTimeout(onPeerConnectTimeout, peerConnectTimeout, recvStream); } private function startPublishStream():void { - sendStream = new NetStream(connection, NetStream.DIRECT_CONNECTIONS); - sendStream.addEventListener(NetStatusEvent.NET_STATUS, onSendStreamEvent); - var o:Object = new Object(); - o.onPeerConnect = onPeerConnect; - sendStream.client = o; - sendStream.publish(DATA); + sendStream = new NetStream(connection, NetStream.DIRECT_CONNECTIONS); + sendStream.addEventListener(NetStatusEvent.NET_STATUS, onSendStreamEvent); + var o:Object = new Object(); + o.onPeerConnect = onPeerConnect; + sendStream.client = o; + sendStream.publish(DATA); } private function fail():void { - clearInterval(connectionTimeout); - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.CONNECT_FAIL)); + clearInterval(connectionTimeout); + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.CONNECT_FAIL)); } private function onDataAvailable(event:ProgressEvent):void { - dispatchEvent(event); + dispatchEvent(event); } private function onIOErrorEvent(event:IOErrorEvent):void { - fail(); + fail(); } private function onNetStatusEvent(event:NetStatusEvent):void { - switch (event.info.code) { - case "NetConnection.Connect.Success" : - clearInterval(connectionTimeout); - startPublishStream(); - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.CONNECT_SUCCESS)); - break; - case "NetStream.Connect.Success" : - break; - case "NetStream.Publish.BadName" : - fail(); - break; - case "NetStream.Connect.Closed" : - // we've disconnected from the peer - // can reset to accept another - // clear the publish stream and re-publish another - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEER_DISCONNECTED, recvStream)); - break; - } + switch (event.info.code) { + case "NetConnection.Connect.Success" : + clearInterval(connectionTimeout); + startPublishStream(); + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.CONNECT_SUCCESS)); + break; + case "NetStream.Connect.Success" : + break; + case "NetStream.Publish.BadName" : + fail(); + break; + case "NetStream.Connect.Closed" : + // we've disconnected from the peer + // can reset to accept another + // clear the publish stream and re-publish another + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEER_DISCONNECTED, recvStream)); + break; + } } private function onPeerConnect(peer:NetStream):Boolean { - // establish a bidirectional stream with the peer - if (peerID == null) { - this.peer = peer.farID; - } + // establish a bidirectional stream with the peer + if (peerID == null) { + this.peer = peer.farID; + } - // disallow additional peers connecting to us - if (peer.farID != peerID) return false; + // disallow additional peers connecting to us + if (peer.farID != peerID) return false; - peer.send("setPeerConnectAcknowledged"); - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEER_CONNECTED, peer)); + peer.send("setPeerConnectAcknowledged"); + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEER_CONNECTED, peer)); - return true; + return true; } private function onPeerConnectAcknowledged(event:Event):void { - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEERING_SUCCESS, recvStream)); + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEERING_SUCCESS, recvStream)); } private function onPeerConnectTimeout(peer:NetStream):void { - if (!recvStream.client) return; - if (!RTMFPSocketClient(recvStream.client).peerConnectAcknowledged) { - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEERING_FAIL, recvStream)); - } + if (!recvStream.client) return; + if (!RTMFPSocketClient(recvStream.client).peerConnectAcknowledged) { + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PEERING_FAIL, recvStream)); + } } private function onSecurityErrorEvent(event:SecurityErrorEvent):void { - fail(); + fail(); } private function onSendStreamEvent(event:NetStatusEvent):void { - switch (event.info.code) { - case ("NetStream.Publish.Start") : - dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PUBLISH_START)); - break; - case ("NetStream.Play.Reset") : - case ("NetStream.Play.Start") : - break; - } - } - private function onRecvStreamEvent(event:NetStatusEvent):void - { - switch (event.info.code) { - case ("NetStream.Publish.Start") : - case ("NetStream.Play.Reset") : - case ("NetStream.Play.Start") : - break; - } - } + switch (event.info.code) { + case ("NetStream.Publish.Start") : + dispatchEvent(new RTMFPSocketEvent(RTMFPSocketEvent.PUBLISH_START)); + break; + case ("NetStream.Play.Reset") : + case ("NetStream.Play.Start") : + break; + } + } + + private function onRecvStreamEvent(event:NetStatusEvent):void + { + switch (event.info.code) { + case ("NetStream.Publish.Start") : + case ("NetStream.Play.Reset") : + case ("NetStream.Play.Start") : + break; + } + } } }

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[flashproxy/master] Merge branch 'rtmfp' of ssh://upload.bamsoftware.com/~dcf/flashproxy into rtmfp
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit 761a300ed9545faebcbfa35e06fb4369c06ae3dd Merge: acd156a 9b7947e Author: Nate Hardison <nate(a)dn0a208c2d.sunet> Date: Fri May 20 13:00:36 2011 -0700 Merge branch 'rtmfp' of ssh://upload.bamsoftware.com/~dcf/flashproxy into rtmfp Makefile | 4 +- README | 9 ++ badge.png | Bin 170 -> 264 bytes badge_con_counter.png | Bin 0 -> 270 bytes connector.py | 206 +++++++++++++++++++++++++++++++++---------------- crossdomaind.py | 1 - design.txt | 164 +++++++++++++++++++++++++++++++++++++++ facilitator.py | 101 +++++++++++++++---------- notes.txt | 4 + reconnector.py | 8 +- swfcat.as | 115 ++++++++++++++++++++++++---- 11 files changed, 485 insertions(+), 127 deletions(-)

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[flashproxy/master] Merge remote branch 'origin/rtmfp' into rtmfp
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit 9b7947e9b893ddfb308e467dd2a2d4a6c73caa4b Merge: 6e08bb5 a8e37c5 Author: ellitron <jdellit(a)stanford.edu> Date: Thu May 19 18:03:22 2011 -0700 Merge remote branch 'origin/rtmfp' into rtmfp Conflicts: swfcat.as Makefile | 4 +- com/rtmfpcat/Makefile | 11 + com/rtmfpcat/README | 118 +++++++++ com/rtmfpcat/Utils.as | 25 ++ com/rtmfpcat/connector.py | 326 +++++++++++++++++++++++++ com/rtmfpcat/facilitator.py | 146 +++++++++++ com/rtmfpcat/rtmfp/RTMFPSocket.as | 216 ++++++++++++++++ com/rtmfpcat/rtmfp/RTMFPSocketClient.as | 57 +++++ com/rtmfpcat/rtmfp/events/RTMFPSocketEvent.as | 25 ++ com/rtmfpcat/rtmfpcat.as | 208 ++++++++++++++++ swfcat.as | 82 +++++- 11 files changed, 1202 insertions(+), 16 deletions(-) diff --cc Makefile index 7f81cf9,0c3beba..5390327 --- a/Makefile +++ b/Makefile @@@ -4,10 -4,8 +4,10 @@@ TARGETS = swfcat.swf com/rtmfpcat/rtmfp all: $(TARGETS) +swfcat.swf: badge.png + %.swf: %.as - $(MXMLC) -output $@ -static-link-runtime-shared-libraries $< - $(MXMLC) -output $@ -define=RTMFP::CIRRUS_KEY,\"$(CIRRUS_KEY)\" $^ ++ $(MXMLC) -output $@ -static-link-runtime-shared-libraries -define=RTMFP::CIRRUS_KEY,\"$(CIRRUS_KEY)\" $< clean: rm -f $(TARGETS) diff --cc swfcat.as index 76de948,423f30a..fd3625d --- a/swfcat.as +++ b/swfcat.as @@@ -249,9 -168,10 +249,10 @@@ import flash.events.ProgressEvent import flash.events.SecurityErrorEvent; import flash.net.Socket; import flash.utils.ByteArray; + import flash.utils.setInterval; /* An instance of a client-relay connection. */ -class ProxyPair +class ProxyPair extends EventDispatcher { // Address ({host, port}) of client. private var addr_c:Object; @@@ -265,8 -185,21 +266,21 @@@ // Parent swfcat, for UI updates. private var ui:swfcat; + + // Proxy transfer rate limit in KB/s + private var rate_limit:uint; + + // Default limit is 10KB/s + private const DEFAULT_RATE_LIMIT:uint = 10000; + + private var curr_rate:Number; + private var historical_rate:Number; + private var lifetime:uint; + + // in milliseconds + private const DEFAULT_RATE_TIMEOUT:uint = 1000; - private function log(msg:String):void + public function log(msg:String):void { ui.puts(id() + ": " + msg) }

1 0

[flashproxy/master] Adding citation to RTMFPSocket
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit acd156a1362b7f60f5c5b066a26f13724ec069e4 Author: Nate Hardison <nate(a)dn0a208c2d.sunet> Date: Fri May 20 13:00:17 2011 -0700 Adding citation to RTMFPSocket --- com/rtmfpcat/rtmfp/RTMFPSocket.as | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/com/rtmfpcat/rtmfp/RTMFPSocket.as b/com/rtmfpcat/rtmfp/RTMFPSocket.as index 4b83784..6c61781 100644 --- a/com/rtmfpcat/rtmfp/RTMFPSocket.as +++ b/com/rtmfpcat/rtmfp/RTMFPSocket.as @@ -1,3 +1,13 @@ +/* RTMFPSocket abstraction + * Author: Nate Hardison, May 2011 + * + * This code is heavily based off of BelugaFile, an open-source + * Air file-transfer application written by Nicholas Bliyk. + * Website: http://www.belugafile.com/ + * Source: http://code.google.com/p/belugafile/ + * + */ + package rtmfp { import flash.events.Event;

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[flashproxy/master] Merge branch 'master' of http://www.bamsoftware.com/git/jscat
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit 28e15b7a445404273e6488243827b4a85b9253e1 Merge: aedb495 1f773dd Author: Nate Hardison <nate(a)dn0a20293b.sunet> Date: Sat May 14 13:53:54 2011 -0700 Merge branch 'master' of http://www.bamsoftware.com/git/jscat .gitignore | 1 + connector.py | 8 +- crossdomaind.py | 14 +++- facilitator.py | 279 +++++++++++++++++++++++++++++++++---------------------- reconnector.py | 8 +- 5 files changed, 187 insertions(+), 123 deletions(-)

1 0

[flashproxy/master] Beginnings of bandwidth limiting
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit a8e37c5a2ecf19e5762318c1f076f17028f66a25 Author: Nate Hardison <nate(a)dn0a20293b.sunet> Date: Sat May 14 15:13:22 2011 -0700 Beginnings of bandwidth limiting --- swfcat.as | 90 ++++++++++++++++++++++++++++++++++++++++++++++++------------ 1 files changed, 72 insertions(+), 18 deletions(-) diff --git a/swfcat.as b/swfcat.as index fa55b51..423f30a 100644 --- a/swfcat.as +++ b/swfcat.as @@ -36,8 +36,8 @@ package private var fac_addr:Object; - [Embed(source="badge.png")] - private var BadgeImage:Class; + //[Embed(source="badge.png")] + //private var BadgeImage:Class; public function puts(s:String):void { @@ -71,8 +71,8 @@ package if (this.loaderInfo.parameters["debug"]) addChild(output_text); - else - addChild(new BadgeImage()); + //else + // addChild(new BadgeImage()); fac_spec = this.loaderInfo.parameters["facilitator"]; if (fac_spec) { @@ -168,6 +168,7 @@ import flash.events.ProgressEvent; import flash.events.SecurityErrorEvent; import flash.net.Socket; import flash.utils.ByteArray; +import flash.utils.setInterval; /* An instance of a client-relay connection. */ class ProxyPair @@ -184,6 +185,19 @@ class ProxyPair // Parent swfcat, for UI updates. private var ui:swfcat; + + // Proxy transfer rate limit in KB/s + private var rate_limit:uint; + + // Default limit is 10KB/s + private const DEFAULT_RATE_LIMIT:uint = 10000; + + private var curr_rate:Number; + private var historical_rate:Number; + private var lifetime:uint; + + // in milliseconds + private const DEFAULT_RATE_TIMEOUT:uint = 1000; private function log(msg:String):void { @@ -197,11 +211,16 @@ class ProxyPair "," + this.addr_r.host + ":" + this.addr_r.port + ">"; } - public function ProxyPair(ui:swfcat, addr_c:Object, addr_r:Object) + public function ProxyPair(ui:swfcat, addr_c:Object, addr_r:Object, rate_limit:uint = DEFAULT_RATE_LIMIT) { this.ui = ui; this.addr_c = addr_c; this.addr_r = addr_r; + this.rate_limit = rate_limit; + this.curr_rate = 0.0; + this.historical_rate = 0.0; + this.lifetime = 0; + setInterval(update_transfer_rate, DEFAULT_RATE_TIMEOUT) } public function connect():void @@ -259,18 +278,53 @@ class ProxyPair private function client_connected(e:Event):void { log("Client: connected."); - - s_r.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { - var bytes:ByteArray = new ByteArray(); - s_r.readBytes(bytes, 0, e.bytesLoaded); - log("Tor: read " + bytes.length + "."); - s_c.writeBytes(bytes); - }); - s_c.addEventListener(ProgressEvent.SOCKET_DATA, function (e:ProgressEvent):void { - var bytes:ByteArray = new ByteArray(); - s_c.readBytes(bytes, 0, e.bytesLoaded); - log("Client: read " + bytes.length + "."); - s_r.writeBytes(bytes); - }); + add_data_listeners(); + } + + private function add_data_listeners():void + { + s_r.addEventListener(ProgressEvent.SOCKET_DATA, transfer_to_client); + s_c.addEventListener(ProgressEvent.SOCKET_DATA, transfer_to_relay); + } + + private function remove_data_listeners():void + { + s_r.removeEventListener(ProgressEvent.SOCKET_DATA, transfer_to_client); + s_c.removeEventListener(ProgressEvent.SOCKET_DATA, transfer_to_relay); + } + + private function transfer_to_client(e:ProgressEvent):void + { + log("Tor: read " + e.bytesLoaded + "."); + transfer_bytes(s_r, s_c, e.bytesLoaded); + } + + private function transfer_to_relay(e:ProgressEvent):void + { + log("Client: read " + e.bytesLoaded + "."); + transfer_bytes(s_c, s_r, e.bytesLoaded); + } + + private function transfer_bytes(src:Socket, dst:Socket, num_bytes:uint):void + { + var bytes:ByteArray = new ByteArray(); + src.readBytes(bytes, 0, num_bytes); + dst.writeBytes(bytes); + curr_rate += num_bytes; + if (rate_limit_exceeded()) remove_data_listeners(); + } + + private function rate_limit_exceeded():Boolean + { + return curr_rate > rate_limit; + } + + private function update_transfer_rate():void + { + lifetime++; + historical_rate = (0.7 * historical_rate + 0.3 * curr_rate) / lifetime; + curr_rate = historical_rate; + log("Historical rate: " + historical_rate); + log("Current rate: " + curr_rate); } }

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[flashproxy/master] Merge branch 'master' of http://www.bamsoftware.com/git/jscat
by dcf＠torproject.org 12 Jun '11

12 Jun '11

commit aedb495716f40ffe425b1d32abcbf40f77bdc736 Merge: a944892 384ad67 Author: Nate Hardison <nate(a)dn5221d4.sunet> Date: Fri May 13 16:00:28 2011 -0700 Merge branch 'master' of http://www.bamsoftware.com/git/jscat README | 2 +- badge.png | Bin 0 -> 170 bytes swfcat.as | 45 +++++++++++++++++++++++++++++++-------------- 3 files changed, 32 insertions(+), 15 deletions(-)

1 0