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propagate from branch 'i2p.i2p' (head 793ca7c46f5d8b51c5880fc538dea7874e62f63b)

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to branch 'i2p.i2p.zzz.test' (head d39f17fe601b6ae514111b07092de820668015d7)
This commit is contained in:
zzz
2011-08-20 20:23:27 +00:00
parent 67d608a1fb 3834403c79
commit 6d064270fc
49 changed files with 2194 additions and 719 deletions
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104
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnel.java
View File

@@ -49,6 +49,7 @@ import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import net.i2p.I2PAppContext;
@@ -70,16 +71,18 @@ import net.i2p.util.EventDispatcherImpl;
import net.i2p.util.Log;
/**
* An I2PTunnel tracks one or more I2PTunnelTasks and one or more I2PSessions.
* Usually one of each.
*
* Todo: Most events are not listened to elsewhere, so error propagation is poor
*/
public class I2PTunnel implements Logging, EventDispatcher {
public class I2PTunnel extends EventDispatcherImpl implements Logging {
private final Log _log;
private final EventDispatcherImpl _event;
private final I2PAppContext _context;
private static long __tunnelId = 0;
private final long _tunnelId;
private final Properties _clientOptions;
private final List<I2PSession> _sessions;
private final Set<I2PSession> _sessions;
public static final int PACKET_DELAY = 100;
@@ -96,7 +99,7 @@ public class I2PTunnel implements Logging, EventDispatcher {
private static final String nocli_args[] = { "-nocli", "-die"};
private final List tasks = new ArrayList();
private final List<I2PTunnelTask> tasks = new ArrayList();
private int next_task_id = 1;
private final Set listeners = new CopyOnWriteArraySet();
@@ -114,14 +117,14 @@ public class I2PTunnel implements Logging, EventDispatcher {
}
public I2PTunnel(String[] args, ConnectionEventListener lsnr) {
super();
_context = I2PAppContext.getGlobalContext(); // new I2PAppContext();
_tunnelId = ++__tunnelId;
_log = _context.logManager().getLog(I2PTunnel.class);
_event = new EventDispatcherImpl();
// as of 0.8.4, include context properties
Properties p = _context.getProperties();
_clientOptions = p;
_sessions = new ArrayList(1);
_sessions = new CopyOnWriteArraySet();
addConnectionEventListener(lsnr);
boolean gui = true;
@@ -193,22 +196,17 @@ public class I2PTunnel implements Logging, EventDispatcher {
/** @return non-null */
List<I2PSession> getSessions() {
synchronized (_sessions) {
return new ArrayList(_sessions);
}
}
void addSession(I2PSession session) {
if (session == null) return;
synchronized (_sessions) {
if (!_sessions.contains(session))
_sessions.add(session);
}
_sessions.add(session);
}
void removeSession(I2PSession session) {
if (session == null) return;
synchronized (_sessions) {
_sessions.remove(session);
}
_sessions.remove(session);
}
public Properties getClientOptions() { return _clientOptions; }
@@ -218,9 +216,7 @@ public class I2PTunnel implements Logging, EventDispatcher {
if (tsk.isOpen()) {
tsk.setId(next_task_id);
next_task_id++;
synchronized (tasks) {
tasks.add(tsk);
}
tasks.add(tsk);
}
}
@@ -1261,10 +1257,8 @@ public class I2PTunnel implements Logging, EventDispatcher {
*/
public void runQuit(Logging l) {
purgetasks(l);
synchronized (tasks) {
if (tasks.isEmpty()) {
System.exit(0);
}
if (tasks.isEmpty()) {
System.exit(0);
}
l.log("There are running tasks. Try 'list'.");
notifyEvent("quitResult", "error");
@@ -1280,11 +1274,8 @@ public class I2PTunnel implements Logging, EventDispatcher {
*/
public void runList(Logging l) {
purgetasks(l);
synchronized (tasks) {
for (int i = 0; i < tasks.size(); i++) {
I2PTunnelTask t = (I2PTunnelTask) tasks.get(i);
l.log("[" + t.getId() + "] " + t.toString());
}
for (I2PTunnelTask t : tasks) {
l.log("[" + t.getId() + "] " + t.toString());
}
notifyEvent("listDone", "done");
}
@@ -1313,14 +1304,8 @@ public class I2PTunnel implements Logging, EventDispatcher {
argindex++;
}
if (args[argindex].equalsIgnoreCase("all")) {
List curTasks = null;
synchronized (tasks) {
curTasks = new LinkedList(tasks);
}
boolean error = false;
for (int i = 0; i < curTasks.size(); i++) {
I2PTunnelTask t = (I2PTunnelTask) curTasks.get(i);
for (I2PTunnelTask t : tasks) {
if (!closetask(t, forced, l)) {
notifyEvent("closeResult", "error");
error = true;
@@ -1442,9 +1427,7 @@ public class I2PTunnel implements Logging, EventDispatcher {
boolean closed = false;
_log.debug(getPrefix() + "closetask(): looking for task " + num);
synchronized (tasks) {
for (Iterator it = tasks.iterator(); it.hasNext();) {
I2PTunnelTask t = (I2PTunnelTask) it.next();
for (I2PTunnelTask t : tasks) {
int id = t.getId();
if (_log.shouldLog(Log.DEBUG))
_log.debug(getPrefix() + "closetask(): parsing task " + id + " (" + t.toString() + ")");
@@ -1454,7 +1437,6 @@ public class I2PTunnel implements Logging, EventDispatcher {
} else if (id > num) {
break;
}
}
}
return closed;
}
@@ -1482,15 +1464,14 @@ public class I2PTunnel implements Logging, EventDispatcher {
*
*/
private void purgetasks(Logging l) {
synchronized (tasks) {
for (Iterator it = tasks.iterator(); it.hasNext();) {
I2PTunnelTask t = (I2PTunnelTask) it.next();
List<I2PTunnelTask> removed = new ArrayList();
for (I2PTunnelTask t : tasks) {
if (!t.isOpen()) {
_log.debug(getPrefix() + "Purging inactive tunnel: [" + t.getId() + "] " + t.toString());
it.remove();
removed.add(t);
}
}
}
tasks.removeAll(removed);
}
/**
@@ -1657,41 +1638,4 @@ public class I2PTunnel implements Logging, EventDispatcher {
public interface ConnectionEventListener {
public void routerDisconnected();
}
/* Required by the EventDispatcher interface */
public EventDispatcher getEventDispatcher() {
return _event;
}
public void attachEventDispatcher(EventDispatcher e) {
_event.attachEventDispatcher(e.getEventDispatcher());
}
public void detachEventDispatcher(EventDispatcher e) {
_event.detachEventDispatcher(e.getEventDispatcher());
}
public void notifyEvent(String e, Object a) {
_event.notifyEvent(e, a);
}
public Object getEventValue(String n) {
return _event.getEventValue(n);
}
public Set getEvents() {
return _event.getEvents();
}
public void ignoreEvents() {
_event.ignoreEvents();
}
public void unIgnoreEvents() {
_event.unIgnoreEvents();
}
public Object waitEventValue(String n) {
return _event.waitEventValue(n);
}
}

20
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelClientBase.java
View File

@@ -51,7 +51,7 @@ public abstract class I2PTunnelClientBase extends I2PTunnelTask implements Runna
protected long _clientId;
protected final Object sockLock = new Object(); // Guards sockMgr and mySockets
protected I2PSocketManager sockMgr; // should be final and use a factory. LINT
protected List mySockets = new ArrayList();
protected final List<I2PSocket> mySockets = new ArrayList();
protected boolean _ownDest;
protected Destination dest = null;
@@ -59,7 +59,7 @@ public abstract class I2PTunnelClientBase extends I2PTunnelTask implements Runna
private boolean listenerReady = false;
private ServerSocket ss;
protected ServerSocket ss;
private final Object startLock = new Object();
private boolean startRunning = false;
@@ -196,7 +196,10 @@ public abstract class I2PTunnelClientBase extends I2PTunnelTask implements Runna
// no need to load the netDb with leaseSets for destinations that will never
// be looked up
tunnel.getClientOptions().setProperty("i2cp.dontPublishLeaseSet", "true");
boolean dccEnabled = (this instanceof I2PTunnelIRCClient) &&
Boolean.valueOf(tunnel.getClientOptions().getProperty(I2PTunnelIRCClient.PROP_DCC)).booleanValue();
if (!dccEnabled)
tunnel.getClientOptions().setProperty("i2cp.dontPublishLeaseSet", "true");
boolean openNow = !Boolean.valueOf(tunnel.getClientOptions().getProperty("i2cp.delayOpen")).booleanValue();
if (openNow) {
@@ -683,11 +686,11 @@ public abstract class I2PTunnelClientBase extends I2PTunnelTask implements Runna
synchronized (sockLock) {
if (sockMgr != null) {
mySockets.retainAll(sockMgr.listSockets());
if (!forced && mySockets.size() != 0) {
l.log("There are still active connections!");
if ((!forced) && (!mySockets.isEmpty())) {
l.log("Not closing, there are still active connections!");
_log.debug("can't close: there are still active connections!");
for (Iterator it = mySockets.iterator(); it.hasNext();) {
l.log("->" + it.next());
for (I2PSocket s : mySockets) {
l.log(" -> " + s.toString());
}
return false;
}
@@ -703,7 +706,8 @@ public abstract class I2PTunnelClientBase extends I2PTunnelTask implements Runna
try {
if (ss != null) ss.close();
} catch (IOException ex) {
ex.printStackTrace();
if (_log.shouldLog(Log.WARN))
_log.warn("error closing", ex);
return false;
}
//l.log("Client closed.");

3
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPClientRunner.java
View File

@@ -25,7 +25,8 @@ import net.i2p.util.Log;
*/
public class I2PTunnelHTTPClientRunner extends I2PTunnelRunner {
private Log _log;
public I2PTunnelHTTPClientRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData, List sockList, Runnable onTimeout) {
public I2PTunnelHTTPClientRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData,
List<I2PSocket> sockList, Runnable onTimeout) {
super(s, i2ps, slock, initialI2PData, sockList, onTimeout);
_log = I2PAppContext.getGlobalContext().logManager().getLog(I2PTunnelHTTPClientRunner.class);
}

503
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelIRCClient.java
View File

@@ -10,7 +10,13 @@ import java.util.List;
import java.util.StringTokenizer;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.data.Base32;
import net.i2p.data.Destination;
import net.i2p.i2ptunnel.irc.DCCClientManager;
import net.i2p.i2ptunnel.irc.DCCHelper;
import net.i2p.i2ptunnel.irc.I2PTunnelDCCServer;
import net.i2p.i2ptunnel.irc.IrcInboundFilter;
import net.i2p.i2ptunnel.irc.IrcOutboundFilter;
import net.i2p.util.EventDispatcher;
import net.i2p.util.I2PAppThread;
import net.i2p.util.Log;
@@ -18,7 +24,7 @@ import net.i2p.util.Log;
/**
* Todo: Can we extend I2PTunnelClient instead and remove some duplicated code?
*/
public class I2PTunnelIRCClient extends I2PTunnelClientBase implements Runnable {
public class I2PTunnelIRCClient extends I2PTunnelClientBase {
/** used to assign unique IDs to the threads / clients. no logic or functionality */
private static volatile long __clientId = 0;
@@ -27,6 +33,14 @@ public class I2PTunnelIRCClient extends I2PTunnelClientBase implements Runnable
protected List<Destination> dests;
private static final long DEFAULT_READ_TIMEOUT = 5*60*1000; // -1
protected long readTimeout = DEFAULT_READ_TIMEOUT;
private final boolean _dccEnabled;
private I2PTunnelDCCServer _DCCServer;
private DCCClientManager _DCCClientManager;
/**
* @since 0.8.9
*/
public static final String PROP_DCC = "i2ptunnel.ircclient.enableDCC";
/**
* @throws IllegalArgumentException if the I2PTunnel does not contain
@@ -75,23 +89,28 @@ public class I2PTunnelIRCClient extends I2PTunnelClientBase implements Runnable
setName("IRC Client on " + tunnel.listenHost + ':' + localPort);
_dccEnabled = Boolean.valueOf(tunnel.getClientOptions().getProperty(PROP_DCC)).booleanValue();
// TODO add some prudent tunnel options (or is it too late?)
startRunning();
notifyEvent("openIRCClientResult", "ok");
}
protected void clientConnectionRun(Socket s) {
if (_log.shouldLog(Log.DEBUG))
_log.debug("got a connection.");
if (_log.shouldLog(Log.INFO))
_log.info("New connection local addr is: " + s.getLocalAddress() +
" from: " + s.getInetAddress());
Destination clientDest = pickDestination();
I2PSocket i2ps = null;
try {
i2ps = createI2PSocket(clientDest);
i2ps.setReadTimeout(readTimeout);
StringBuffer expectedPong = new StringBuffer();
Thread in = new I2PAppThread(new IrcInboundFilter(s,i2ps, expectedPong, _log), "IRC Client " + __clientId + " in", true);
DCCHelper dcc = _dccEnabled ? new DCC(s.getLocalAddress().getAddress()) : null;
Thread in = new I2PAppThread(new IrcInboundFilter(s,i2ps, expectedPong, _log, dcc), "IRC Client " + __clientId + " in", true);
in.start();
Thread out = new I2PAppThread(new IrcOutboundFilter(s,i2ps, expectedPong, _log), "IRC Client " + __clientId + " out", true);
Thread out = new I2PAppThread(new IrcOutboundFilter(s,i2ps, expectedPong, _log, dcc), "IRC Client " + __clientId + " out", true);
out.start();
} catch (Exception ex) {
if (_log.shouldLog(Log.ERROR))
@@ -120,388 +139,112 @@ public class I2PTunnelIRCClient extends I2PTunnelClientBase implements Runnable
return dests.get(index);
}
/*************************************************************************
*
*/
public static class IrcInboundFilter implements Runnable {
private final Socket local;
private final I2PSocket remote;
private final StringBuffer expectedPong;
private final Log _log;
public IrcInboundFilter(Socket _local, I2PSocket _remote, StringBuffer pong, Log log) {
local=_local;
remote=_remote;
expectedPong=pong;
_log = log;
}
public void run() {
// Todo: Don't use BufferedReader - IRC spec limits line length to 512 but...
BufferedReader in;
OutputStream output;
try {
in = new BufferedReader(new InputStreamReader(remote.getInputStream(), "ISO-8859-1"));
output=local.getOutputStream();
} catch (IOException e) {
if (_log.shouldLog(Log.ERROR))
_log.error("IrcInboundFilter: no streams",e);
return;
@Override
public boolean close(boolean forced) {
synchronized(this) {
if (_DCCServer != null) {
_DCCServer.close(forced);
_DCCServer = null;
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcInboundFilter: Running.");
try {
while(true)
{
try {
String inmsg = in.readLine();
if(inmsg==null)
break;
if(inmsg.endsWith("\r"))
inmsg=inmsg.substring(0,inmsg.length()-1);
if (_log.shouldLog(Log.DEBUG))
_log.debug("in: [" + inmsg + "]");
String outmsg = inboundFilter(inmsg, expectedPong);
if(outmsg!=null)
{
if(!inmsg.equals(outmsg)) {
if (_log.shouldLog(Log.WARN)) {
_log.warn("inbound FILTERED: "+outmsg);
_log.warn(" - inbound was: "+inmsg);
}
} else {
if (_log.shouldLog(Log.INFO))
_log.info("inbound: "+outmsg);
}
outmsg=outmsg+"\r\n"; // rfc1459 sec. 2.3
output.write(outmsg.getBytes("ISO-8859-1"));
// probably doesn't do much but can't hurt
output.flush();
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("inbound BLOCKED: "+inmsg);
}
} catch (IOException e1) {
if (_log.shouldLog(Log.WARN))
_log.warn("IrcInboundFilter: disconnected",e1);
break;
}
}
} catch (RuntimeException re) {
_log.error("Error filtering inbound data", re);
} finally {
try { local.close(); } catch (IOException e) {}
}
if(_log.shouldLog(Log.DEBUG))
_log.debug("IrcInboundFilter: Done.");
}
}
/*************************************************************************
*
*/
public static class IrcOutboundFilter implements Runnable {
private final Socket local;
private final I2PSocket remote;
private final StringBuffer expectedPong;
private final Log _log;
public IrcOutboundFilter(Socket _local, I2PSocket _remote, StringBuffer pong, Log log) {
local=_local;
remote=_remote;
expectedPong=pong;
_log = log;
}
public void run() {
// Todo: Don't use BufferedReader - IRC spec limits line length to 512 but...
BufferedReader in;
OutputStream output;
try {
in = new BufferedReader(new InputStreamReader(local.getInputStream(), "ISO-8859-1"));
output=remote.getOutputStream();
} catch (IOException e) {
if (_log.shouldLog(Log.ERROR))
_log.error("IrcOutboundFilter: no streams",e);
return;
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcOutboundFilter: Running.");
try {
while(true)
{
try {
String inmsg = in.readLine();
if(inmsg==null)
break;
if(inmsg.endsWith("\r"))
inmsg=inmsg.substring(0,inmsg.length()-1);
if (_log.shouldLog(Log.DEBUG))
_log.debug("out: [" + inmsg + "]");
String outmsg = outboundFilter(inmsg, expectedPong);
if(outmsg!=null)
{
if(!inmsg.equals(outmsg)) {
if (_log.shouldLog(Log.WARN)) {
_log.warn("outbound FILTERED: "+outmsg);
_log.warn(" - outbound was: "+inmsg);
}
} else {
if (_log.shouldLog(Log.INFO))
_log.info("outbound: "+outmsg);
}
outmsg=outmsg+"\r\n"; // rfc1459 sec. 2.3
output.write(outmsg.getBytes("ISO-8859-1"));
// save 250 ms in streaming
output.flush();
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("outbound BLOCKED: "+"\""+inmsg+"\"");
}
} catch (IOException e1) {
if (_log.shouldLog(Log.WARN))
_log.warn("IrcOutboundFilter: disconnected",e1);
break;
}
}
} catch (RuntimeException re) {
_log.error("Error filtering outbound data", re);
} finally {
try { remote.close(); } catch (IOException e) {}
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcOutboundFilter: Done.");
if (_DCCClientManager != null) {
_DCCClientManager.close(forced);
_DCCClientManager = null;
}
}
/*************************************************************************
*
*/
public static String inboundFilter(String s, StringBuffer expectedPong) {
String field[]=s.split(" ",4);
String command;
int idx=0;
final String[] allowedCommands =
{
// "NOTICE", // can contain CTCP
//"PING",
//"PONG",
"MODE",
"JOIN",
"NICK",
"QUIT",
"PART",
"WALLOPS",
"ERROR",
"KICK",
"H", // "hide operator status" (after kicking an op)
"TOPIC"
};
if(field[0].charAt(0)==':')
idx++;
try { command = field[idx++]; }
catch (IndexOutOfBoundsException ioobe) // wtf, server sent borked command?
{
//_log.warn("Dropping defective message: index out of bounds while extracting command.");
return null;
}
idx++; //skip victim
// Allow numerical responses
try {
new Integer(command);
return s;
} catch(NumberFormatException nfe){}
if ("PING".equalsIgnoreCase(command))
return "PING 127.0.0.1"; // no way to know what the ircd to i2ptunnel server con is, so localhost works
if ("PONG".equalsIgnoreCase(command)) {
// Turn the received ":irc.freshcoffee.i2p PONG irc.freshcoffee.i2p :127.0.0.1"
// into ":127.0.0.1 PONG 127.0.0.1 " so that the caller can append the client's extra parameter
// though, does 127.0.0.1 work for irc clients connecting remotely? and for all of them? sure would
// be great if irc clients actually followed the RFCs here, but i guess thats too much to ask.
// If we haven't PINGed them, or the PING we sent isn't something we know how to filter, this
// is blank.
//
// String pong = expectedPong.length() > 0 ? expectedPong.toString() : null;
// If we aren't going to rewrite it, pass it through
String pong = expectedPong.length() > 0 ? expectedPong.toString() : s;
expectedPong.setLength(0);
return pong;
}
// Allow all allowedCommands
for(int i=0;i<allowedCommands.length;i++) {
if(allowedCommands[i].equalsIgnoreCase(command))
return s;
}
// Allow PRIVMSG, but block CTCP.
if("PRIVMSG".equalsIgnoreCase(command) || "NOTICE".equalsIgnoreCase(command))
{
String msg;
msg = field[idx++];
if(msg.indexOf(0x01) >= 0) // CTCP marker ^A can be anywhere, not just immediately after the ':'
{
// CTCP
msg=msg.substring(2);
if(msg.startsWith("ACTION ")) {
// /me says hello
return s;
}
return null; // Block all other ctcp
}
return s;
}
// Block the rest
return null;
return super.close(forced);
}
public static String outboundFilter(String s, StringBuffer expectedPong) {
//
// Start of the DCCHelper interface
//
String field[]=s.split(" ",3);
String command;
final String[] allowedCommands =
{
// "NOTICE", // can contain CTCP
"MODE",
"JOIN",
"NICK",
"WHO",
"WHOIS",
"LIST",
"NAMES",
"NICK",
// "QUIT", // replace with a filtered QUIT to hide client quit messages
"SILENCE",
"MAP", // seems safe enough, the ircd should protect themselves though
// "PART", // replace with filtered PART to hide client part messages
"OPER",
// "PONG", // replaced with a filtered PING/PONG since some clients send the server IP (thanks aardvax!)
// "PING",
"KICK",
"HELPME",
"RULES",
"TOPIC",
"ISON", // jIRCii uses this for a ping (response is 303)
"INVITE"
};
private class DCC implements DCCHelper {
if(field[0].length()==0)
return null; // W T F?
private final byte[] _localAddr;
if(field[0].charAt(0)==':')
return null; // wtf
command = field[0].toUpperCase();
if ("PING".equals(command)) {
// Most clients just send a PING and are happy with any old PONG. Others,
// like BitchX, actually expect certain behavior. It sends two different pings:
// "PING :irc.freshcoffee.i2p" and "PING 1234567890 127.0.0.1" (where the IP is the proxy)
// the PONG to the former seems to be "PONG 127.0.0.1", while the PONG to the later is
// ":irc.freshcoffee.i2p PONG irc.freshcoffe.i2p :1234567890".
// We don't want to send them our proxy's IP address, so we need to rewrite the PING
// sent to the server, but when we get a PONG back, use what we expected, rather than
// what they sent.
//
// Yuck.
String rv = null;
expectedPong.setLength(0);
if (field.length == 1) { // PING
rv = "PING";
// If we aren't rewriting the PING don't rewrite the PONG
// expectedPong.append("PONG 127.0.0.1");
} else if (field.length == 2) { // PING nonce
rv = "PING " + field[1];
// If we aren't rewriting the PING don't rewrite the PONG
// expectedPong.append("PONG ").append(field[1]);
} else if (field.length == 3) { // PING nonce serverLocation
rv = "PING " + field[1];
expectedPong.append("PONG ").append(field[2]).append(" :").append(field[1]); // PONG serverLocation nonce
} else {
//if (_log.shouldLog(Log.ERROR))
// _log.error("IRC client sent a PING we don't understand, filtering it (\"" + s + "\")");
rv = null;
}
//if (_log.shouldLog(Log.WARN))
// _log.warn("sending ping [" + rv + "], waiting for [" + expectedPong + "] orig was [" + s + "]");
return rv;
}
if ("PONG".equals(command))
return "PONG 127.0.0.1"; // no way to know what the ircd to i2ptunnel server con is, so localhost works
// Allow all allowedCommands
for(int i=0;i<allowedCommands.length;i++)
{
if(allowedCommands[i].equals(command))
return s;
}
// mIRC sends "NOTICE user :DCC Send file (IP)"
// in addition to the CTCP version
if("NOTICE".equals(command))
{
String msg = field[2];
if(msg.startsWith(":DCC "))
return null;
// fall through
}
// Allow PRIVMSG, but block CTCP (except ACTION).
if("PRIVMSG".equals(command) || "NOTICE".equals(command))
{
String msg;
msg = field[2];
if(msg.indexOf(0x01) >= 0) // CTCP marker ^A can be anywhere, not just immediately after the ':'
{
// CTCP
msg=msg.substring(2);
if(msg.startsWith("ACTION ")) {
// /me says hello
return s;
}
return null; // Block all other ctcp
}
return s;
}
if("USER".equals(command)) {
int idx = field[2].lastIndexOf(":");
if(idx<0)
return "USER user hostname localhost :realname";
String realname = field[2].substring(idx+1);
String ret = "USER "+field[1]+" hostname localhost :"+realname;
return ret;
}
if ("PART".equals(command)) {
// hide client message
return "PART " + field[1] + " :leaving";
}
if ("QUIT".equals(command)) {
return "QUIT :leaving";
}
// Block the rest
return null;
/**
* @param local Our IP address, from the IRC client's perspective
*/
public DCC(byte[] local) {
if (local.length == 4)
_localAddr = local;
else
_localAddr = new byte[] {127, 0, 0, 1};
}
public boolean isEnabled() {
return _dccEnabled;
}
public String getB32Hostname() {
return Base32.encode(sockMgr.getSession().getMyDestination().calculateHash().getData()) + ".b32.i2p";
}
public byte[] getLocalAddress() {
return _localAddr;
}
public int newOutgoing(byte[] ip, int port, String type) {
I2PTunnelDCCServer server;
synchronized(this) {
if (_DCCServer == null) {
if (_log.shouldLog(Log.INFO))
_log.info("Starting DCC Server");
_DCCServer = new I2PTunnelDCCServer(sockMgr, l, I2PTunnelIRCClient.this, getTunnel());
// TODO add some prudent tunnel options (or is it too late?)
_DCCServer.startRunning();
}
server = _DCCServer;
}
int rv = server.newOutgoing(ip, port, type);
if (_log.shouldLog(Log.INFO))
_log.info("New outgoing " + type + ' ' + port + " returns " + rv);
return rv;
}
public int newIncoming(String b32, int port, String type) {
DCCClientManager tracker;
synchronized(this) {
if (_DCCClientManager == null) {
if (_log.shouldLog(Log.INFO))
_log.info("Starting DCC Client");
_DCCClientManager = new DCCClientManager(sockMgr, l, I2PTunnelIRCClient.this, getTunnel());
}
tracker = _DCCClientManager;
}
// The tracker starts our client
int rv = tracker.newIncoming(b32, port, type);
if (_log.shouldLog(Log.INFO))
_log.info("New incoming " + type + ' ' + b32 + ' ' + port + " returns " + rv);
return rv;
}
public int resumeOutgoing(int port) {
DCCClientManager tracker = _DCCClientManager;
if (tracker != null)
return tracker.resumeOutgoing(port);
return -1;
}
public int resumeIncoming(int port) {
I2PTunnelDCCServer server = _DCCServer;
if (server != null)
return server.resumeIncoming(port);
return -1;
}
public int acceptOutgoing(int port) {
I2PTunnelDCCServer server = _DCCServer;
if (server != null)
return server.acceptOutgoing(port);
return -1;
}
public int acceptIncoming(int port) {
DCCClientManager tracker = _DCCClientManager;
if (tracker != null)
return tracker.acceptIncoming(port);
return -1;
}
}
}

59
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelRunner.java
View File

@@ -20,10 +20,10 @@ import net.i2p.util.I2PAppThread;
import net.i2p.util.Log;
public class I2PTunnelRunner extends I2PAppThread implements I2PSocket.SocketErrorListener {
private final static Log _log = new Log(I2PTunnelRunner.class);
private final Log _log = new Log(I2PTunnelRunner.class);
private static volatile long __runnerId;
private long _runnerId;
private final long _runnerId;
/**
* max bytes streamed in a packet - smaller ones might be filled
* up to this size. Larger ones are not split (at least not on
@@ -34,35 +34,51 @@ public class I2PTunnelRunner extends I2PAppThread implements I2PSocket.SocketErr
static final int NETWORK_BUFFER_SIZE = MAX_PACKET_SIZE;
private Socket s;
private I2PSocket i2ps;
final Object slock, finishLock = new Object();
private final Socket s;
private final I2PSocket i2ps;
private final Object slock, finishLock = new Object();
boolean finished = false;
HashMap ostreams, sockets;
byte[] initialI2PData;
byte[] initialSocketData;
private final byte[] initialI2PData;
private final byte[] initialSocketData;
/** when the last data was sent/received (or -1 if never) */
private long lastActivityOn;
/** when the runner started up */
private long startedOn;
private List sockList;
private final long startedOn;
private final List<I2PSocket> sockList;
/** if we die before receiving any data, run this job */
private Runnable onTimeout;
private final Runnable onTimeout;
private long totalSent;
private long totalReceived;
private volatile long __forwarderId;
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData, List sockList) {
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData,
List<I2PSocket> sockList) {
this(s, i2ps, slock, initialI2PData, null, sockList, null);
}
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData, byte[] initialSocketData, List sockList) {
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData,
byte[] initialSocketData, List<I2PSocket> sockList) {
this(s, i2ps, slock, initialI2PData, initialSocketData, sockList, null);
}
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData, List sockList, Runnable onTimeout) {
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData,
List<I2PSocket> sockList, Runnable onTimeout) {
this(s, i2ps, slock, initialI2PData, null, sockList, onTimeout);
}
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData, byte[] initialSocketData, List sockList, Runnable onTimeout) {
/**
* Starts itself
*
* @param slock the socket lock, non-null
* @param initialI2PData may be null
* @param initialSocketData may be null
* @param sockList may be null. Caller must add i2ps to the list! It will be removed here on completion.
* Will synchronize on slock when removing.
* @param onTImeout may be null
*/
public I2PTunnelRunner(Socket s, I2PSocket i2ps, Object slock, byte[] initialI2PData,
byte[] initialSocketData, List<I2PSocket> sockList, Runnable onTimeout) {
this.sockList = sockList;
this.s = s;
this.i2ps = i2ps;
@@ -84,6 +100,7 @@ public class I2PTunnelRunner extends I2PAppThread implements I2PSocket.SocketErr
* have we closed at least one (if not both) of the streams
* [aka we're done running the streams]?
*
* @deprecated unused
*/
public boolean isFinished() {
return finished;
@@ -93,7 +110,7 @@ public class I2PTunnelRunner extends I2PAppThread implements I2PSocket.SocketErr
* When was the last data for this runner sent or received?
*
* @return date (ms since the epoch), or -1 if no data has been transferred yet
*
* @deprecated unused
*/
public long getLastActivityOn() {
return lastActivityOn;
@@ -237,11 +254,11 @@ public class I2PTunnelRunner extends I2PAppThread implements I2PSocket.SocketErr
private class StreamForwarder extends I2PAppThread {
InputStream in;
OutputStream out;
String direction;
private boolean _toI2P;
private ByteCache _cache;
private final InputStream in;
private final OutputStream out;
private final String direction;
private final boolean _toI2P;
private final ByteCache _cache;
private StreamForwarder(InputStream in, OutputStream out, boolean toI2P) {
this.in = in;

29
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelServer.java
View File

@@ -47,7 +47,7 @@ public class I2PTunnelServer extends I2PTunnelTask implements Runnable {
protected int remotePort;
private boolean _usePool;
private Logging l;
protected Logging l;
private static final long DEFAULT_READ_TIMEOUT = -1; // 3*60*1000;
/** default timeout to 3 minutes - override if desired */
@@ -69,10 +69,13 @@ public class I2PTunnelServer extends I2PTunnelTask implements Runnable {
protected boolean bidir = false;
private ThreadPoolExecutor _executor;
/** unused? port should always be specified */
private int DEFAULT_LOCALPORT = 4488;
protected int localPort = DEFAULT_LOCALPORT;
/**
* @param privData Base64-encoded private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @throws IllegalArgumentException if the I2CP configuration is b0rked so
* badly that we cant create a socketManager
*/
@@ -84,6 +87,9 @@ public class I2PTunnelServer extends I2PTunnelTask implements Runnable {
}
/**
* @param privkey file containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param privkeyname the name of the privKey file, not clear why we need this too
* @throws IllegalArgumentException if the I2CP configuration is b0rked so
* badly that we cant create a socketManager
*/
@@ -105,6 +111,9 @@ public class I2PTunnelServer extends I2PTunnelTask implements Runnable {
}
/**
* @param privData stream containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param privkeyname the name of the privKey file, not clear why we need this too
* @throws IllegalArgumentException if the I2CP configuration is b0rked so
* badly that we cant create a socketManager
*/
@@ -114,10 +123,28 @@ public class I2PTunnelServer extends I2PTunnelTask implements Runnable {
init(host, port, privData, privkeyname, l);
}
/**
* @param sktMgr the existing socket manager
* @since 0.8.9
*/
public I2PTunnelServer(InetAddress host, int port, I2PSocketManager sktMgr,
Logging l, EventDispatcher notifyThis, I2PTunnel tunnel) {
super("Server at " + host + ':' + port, notifyThis, tunnel);
this.l = l;
this.remoteHost = host;
this.remotePort = port;
_log = tunnel.getContext().logManager().getLog(getClass());
sockMgr = sktMgr;
open = true;
}
private static final int RETRY_DELAY = 20*1000;
private static final int MAX_RETRIES = 4;
/**
* @param privData stream containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param privkeyname the name of the privKey file, not clear why we need this too
* @throws IllegalArgumentException if the I2CP configuration is b0rked so
* badly that we cant create a socketManager
*/

41
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelTask.java
View File

@@ -13,9 +13,7 @@ import net.i2p.util.EventDispatcherImpl;
* Either a Server or a Client.
*/
public abstract class I2PTunnelTask implements EventDispatcher {
private final EventDispatcherImpl _event = new EventDispatcherImpl();
public abstract class I2PTunnelTask extends EventDispatcherImpl {
private int id;
private String name;
@@ -77,41 +75,4 @@ public abstract class I2PTunnelTask implements EventDispatcher {
public String toString() {
return name;
}
/* Required by the EventDispatcher interface */
public EventDispatcher getEventDispatcher() {
return _event;
}
public void attachEventDispatcher(EventDispatcher e) {
_event.attachEventDispatcher(e.getEventDispatcher());
}
public void detachEventDispatcher(EventDispatcher e) {
_event.detachEventDispatcher(e.getEventDispatcher());
}
public void notifyEvent(String e, Object a) {
_event.notifyEvent(e, a);
}
public Object getEventValue(String n) {
return _event.getEventValue(n);
}
public Set getEvents() {
return _event.getEvents();
}
public void ignoreEvents() {
_event.ignoreEvents();
}
public void unIgnoreEvents() {
_event.unIgnoreEvents();
}
public Object waitEventValue(String n) {
return _event.waitEventValue(n);
}
}

11
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/TunnelController.java
View File

@@ -22,16 +22,19 @@ import net.i2p.util.Log;
import net.i2p.util.SecureFileOutputStream;
/**
* Coordinate the runtime operation and configuration of a tunnel.
* Coordinate the runtime operation and configuration of a single I2PTunnel.
* An I2PTunnel tracks one or more I2PTunnelTasks and one or more I2PSessions.
* Usually one of each.
*
* These objects are bundled together under a TunnelControllerGroup where the
* entire group is stored / loaded from a single config file.
*
*/
public class TunnelController implements Logging {
private Log _log;
private final Log _log;
private Properties _config;
private I2PTunnel _tunnel;
private List<String> _messages;
private final I2PTunnel _tunnel;
private final List<String> _messages;
private List<I2PSession> _sessions;
private boolean _running;
private boolean _starting;

236
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/DCCClientManager.java Normal file
View File

@@ -0,0 +1,236 @@
package net.i2p.i2ptunnel.irc;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import net.i2p.client.streaming.I2PSocketManager;
import net.i2p.data.Base32;
import net.i2p.i2ptunnel.I2PTunnel;
import net.i2p.i2ptunnel.Logging;
import net.i2p.util.EventDispatcher;
import net.i2p.util.Log;
/**
* Start, track, and expire the I2PTunnelDCCClients.
*
* <pre>
*
* direct conn
* <---> I2PTunnelDCCServer <--------------->I2PTunnelDCCClient <---->
* originating responding
* chat client chat client
* CHAT ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
* SEND ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
* RESUME <--- I2PTunnelIRCClient <-- IRC server <-- I2TunnelIRCClient <-----
* ACCEPT ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
*
* </pre>
*
* @since 0.8.9
*/
public class DCCClientManager extends EventReceiver {
private final I2PSocketManager sockMgr;
private final EventDispatcher _dispatch;
private final Logging l;
private final I2PTunnel _tunnel;
private final Log _log;
/** key is the DCC client's local port */
private final ConcurrentHashMap<Integer, I2PTunnelDCCClient> _incoming;
/** key is the DCC client's local port */
private final ConcurrentHashMap<Integer, I2PTunnelDCCClient> _active;
/** key is the DCC client's local port */
private final ConcurrentHashMap<Integer, I2PTunnelDCCClient> _complete;
// list of client tunnels?
private static long _id;
private static final int MAX_INCOMING_PENDING = 10;
private static final int MAX_INCOMING_ACTIVE = 10;
private static final long ACTIVE_EXPIRE = 60*60*1000;
public DCCClientManager(I2PSocketManager sktMgr, Logging logging,
EventDispatcher dispatch, I2PTunnel tunnel) {
sockMgr = sktMgr;
l = logging;
_dispatch = dispatch;
_tunnel = tunnel;
_log = tunnel.getContext().logManager().getLog(DCCClientManager.class);
_incoming = new ConcurrentHashMap(8);
_active = new ConcurrentHashMap(8);
_complete = new ConcurrentHashMap(8);
}
public boolean close(boolean forced) {
for (I2PTunnelDCCClient c : _incoming.values()) {
c.stop();
}
_incoming.clear();
for (I2PTunnelDCCClient c : _active.values()) {
c.stop();
}
_active.clear();
_complete.clear();
return true;
}
/**
* An incoming DCC request
*
* @param b32 remote dcc server b32 address
* @param port remote dcc server I2P port
* @param type ignored
* @return local DCC client tunnel port or -1 on error
*/
public int newIncoming(String b32, int port, String type) {
return newIncoming(b32, port, type, 0);
}
/**
* @param localPort bind to port or 0; if nonzero it will be the rv
*/
private int newIncoming(String b32, int port, String type, int localPort) {
b32 = b32.toLowerCase();
// do some basic verification before starting the client
if (b32.length() != 60 || !b32.endsWith(".b32.i2p"))
return -1;
byte[] dec = Base32.decode(b32.substring(0, 52));
if (dec == null || dec.length != 32)
return -1;
expireInbound();
if (_incoming.size() >= MAX_INCOMING_PENDING ||
_active.size() >= MAX_INCOMING_PENDING) {
_log.error("Too many incoming DCC, max is " + MAX_INCOMING_PENDING +
'/' + MAX_INCOMING_ACTIVE + " pending/active");
return -1;
}
try {
// Transparent tunnel used for all types...
// Do we need to do any filtering for chat?
I2PTunnelDCCClient cTunnel = new I2PTunnelDCCClient(b32, localPort, port, l, sockMgr,
_dispatch, _tunnel, ++_id);
cTunnel.attachEventDispatcher(this);
int lport = cTunnel.getLocalPort();
if (_log.shouldLog(Log.WARN))
_log.warn("Opened client tunnel at port " + lport +
" pointing to " + b32 + ':' + port);
_incoming.put(Integer.valueOf(lport), cTunnel);
return lport;
} catch (IllegalArgumentException uhe) {
l.log("Could not find listen host to bind to [" + _tunnel.host + "]");
_log.error("Error finding host to bind", uhe);
return -1;
}
}
/**
* An outgoing RESUME request
*
* @param port local DCC client tunnel port
* @return remote DCC server i2p port or -1 on error
*/
public int resumeOutgoing(int port) {
Integer lport = Integer.valueOf(port);
I2PTunnelDCCClient tun = _complete.get(lport);
if (tun == null) {
tun = _active.get(lport);
if (tun == null)
// shouldn't happen
tun = _incoming.get(lport);
}
if (tun != null) {
tun.stop();
return tun.getLocalPort();
}
return -1;
}
/**
* An incoming ACCEPT response
*
* @param port remote dcc server I2P port
* @return local DCC client tunnel port or -1 on error
*/
public int acceptIncoming(int port) {
// do a reverse lookup
for (I2PTunnelDCCClient tun : _complete.values()) {
if (tun.getRemotePort() == port)
return newIncoming(tun.getDest(), port, "ACCEPT", tun.getLocalPort());
}
for (I2PTunnelDCCClient tun : _active.values()) {
if (tun.getRemotePort() == port)
return newIncoming(tun.getDest(), port, "ACCEPT", tun.getLocalPort());
}
for (I2PTunnelDCCClient tun : _incoming.values()) {
if (tun.getRemotePort() == port) {
// shouldn't happen
tun.stop();
return newIncoming(tun.getDest(), port, "ACCEPT", tun.getLocalPort());
}
}
return -1;
}
/**
* The EventReceiver callback
*/
public void notifyEvent(String eventName, Object args) {
if (eventName.equals(I2PTunnelDCCClient.CONNECT_START_EVENT)) {
try {
I2PTunnelDCCClient client = (I2PTunnelDCCClient) args;
connStarted(client);
} catch (ClassCastException cce) {}
} else if (eventName.equals(I2PTunnelDCCClient.CONNECT_STOP_EVENT)) {
try {
Integer port = (Integer) args;
connStopped(port);
} catch (ClassCastException cce) {}
}
}
private void connStarted(I2PTunnelDCCClient client) {
Integer lport = Integer.valueOf(client.getLocalPort());
I2PTunnelDCCClient c = _incoming.remove(lport);
if (c != null) {
_active.put(lport, client);
if (_log.shouldLog(Log.WARN))
_log.warn("Added client tunnel for port " + lport +
" pending count now: " + _incoming.size() +
" active count now: " + _active.size() +
" complete count now: " + _complete.size());
}
}
private void connStopped(Integer lport) {
I2PTunnelDCCClient tun = _incoming.remove(lport);
if (tun != null)
_complete.put(lport, tun);
tun = _active.remove(lport);
if (tun != null)
_complete.put(lport, tun);
if (_log.shouldLog(Log.WARN))
_log.warn("Removed client tunnel for port " + lport +
" pending count now: " + _incoming.size() +
" active count now: " + _active.size() +
" complete count now: " + _complete.size());
}
private void expireInbound() {
for (Iterator<I2PTunnelDCCClient> iter = _incoming.values().iterator(); iter.hasNext(); ) {
I2PTunnelDCCClient c = iter.next();
if (c.getExpires() < _tunnel.getContext().clock().now()) {
iter.remove();
c.stop();
}
}
// shouldn't need to expire active
for (Iterator<I2PTunnelDCCClient> iter = _complete.values().iterator(); iter.hasNext(); ) {
I2PTunnelDCCClient c = iter.next();
if (c.getExpires() < _tunnel.getContext().clock().now()) {
iter.remove();
c.stop();
}
}
}
}

74
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/DCCHelper.java Normal file
View File

@@ -0,0 +1,74 @@
package net.i2p.i2ptunnel.irc;
/**
* Hooks to create and maintain DCC client and server tunnels
*
* @since 0.8.9
*/
public interface DCCHelper {
public boolean isEnabled();
/**
* String to put in the outgoing DCC
*/
public String getB32Hostname();
/**
* Our IP address (taken from the socket), must be IPv4
*/
public byte[] getLocalAddress();
/**
* An outgoing DCC request
*
* @param ip local irc client IP
* @param port local irc client port
* @param type string
* @return local DCC server i2p port or -1 on error
*/
public int newOutgoing(byte[] ip, int port, String type);
/**
* An incoming DCC request
*
* @param b32 remote dcc server b32 address
* @param port remote dcc server I2P port
* @param type string
* @return local DCC client tunnel port or -1 on error
*/
public int newIncoming(String b32, int port, String type);
/**
* An outgoing RESUME request
*
* @param port local DCC client tunnel port
* @return remote DCC server i2p port or -1 on error
*/
public int resumeOutgoing(int port);
/**
* An incoming RESUME request
*
* @param port local dcc server I2P port
* @return local IRC client DCC port or -1 on error
*/
public int resumeIncoming(int port);
/**
* An outgoing ACCEPT response
*
* @param port local irc client DCC port
* @return local DCC server i2p port or -1 on error
*/
public int acceptOutgoing(int port);
/**
* An incoming ACCEPT response
*
* @param port remote dcc server I2P port
* @return local DCC client tunnel port or -1 on error
*/
public int acceptIncoming(int port);
}

76
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/EventReceiver.java Normal file
View File

@@ -0,0 +1,76 @@
package net.i2p.i2ptunnel.irc;
/*
* free (adj.): unencumbered; not under the control of others Written
* by human & jrandom in 2004 and released into the public domain with
* no warranty of any kind, either expressed or implied. It probably
* won't make your computer catch on fire, or eat your children, but
* it might. Use at your own risk.
*
*/
import java.util.Set;
import net.i2p.util.EventDispatcher;
/**
* An implementation of the EventDispatcher interface for
* receiving events via in-line notifyEvent() only.
* Does not support chaining to additional dispatchers.
* Does not support waitEventValue().
* Does not support ignoring.
*
* @since 0.8.9
*/
public abstract class EventReceiver implements EventDispatcher {
public EventDispatcher getEventDispatcher() {
return this;
}
/**
* @throws UnsupportedOperationException always
*/
public void attachEventDispatcher(EventDispatcher ev) {
throw new UnsupportedOperationException();
}
/**
* @throws UnsupportedOperationException always
*/
public void detachEventDispatcher(EventDispatcher ev) {
throw new UnsupportedOperationException();
}
public abstract void notifyEvent(String eventName, Object args);
/**
* @throws UnsupportedOperationException always
*/
public Object getEventValue(String name) {
throw new UnsupportedOperationException();
}
/**
* @throws UnsupportedOperationException always
*/
public Set<String> getEvents() {
throw new UnsupportedOperationException();
}
/**
* @throws UnsupportedOperationException always
*/
public void ignoreEvents() {
throw new UnsupportedOperationException();
}
public void unIgnoreEvents() {}
/**
* @throws UnsupportedOperationException always
*/
public Object waitEventValue(String name) {
throw new UnsupportedOperationException();
}
}

132
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/I2PTunnelDCCClient.java Normal file
View File

@@ -0,0 +1,132 @@
/* I2PTunnel is GPL'ed (with the exception mentioned in I2PTunnel.java)
* (c) 2003 - 2004 mihi
*/
package net.i2p.i2ptunnel.irc;
import java.net.Socket;
import java.io.IOException;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.client.streaming.I2PSocketManager;
import net.i2p.client.streaming.I2PSocketOptions;
import net.i2p.data.Destination;
import net.i2p.i2ptunnel.I2PTunnel;
import net.i2p.i2ptunnel.I2PTunnelClientBase;
import net.i2p.i2ptunnel.I2PTunnelRunner;
import net.i2p.i2ptunnel.Logging;
import net.i2p.util.EventDispatcher;
import net.i2p.util.Log;
/**
* A standard client, using an existing socket manager.
* Targets a single destination and port.
* Naming resolution is delayed until connect time.
*
* @since 0.8.9
*/
public class I2PTunnelDCCClient extends I2PTunnelClientBase {
// delay resolution until connect time
private final String _dest;
private final int _remotePort;
private long _expires;
private static final long INBOUND_EXPIRE = 30*60*1000;
private static final long INBOUND_STOP_EXPIRE = 30*60*1000;
public static final String CONNECT_START_EVENT = "connectionStarted";
public static final String CONNECT_STOP_EVENT = "connectionStopped";
/**
* @param dest the target, presumably b32
* @param localPort if 0, use any port, get actual port selected with getLocalPort()
* @throws IllegalArgumentException if the I2PTunnel does not contain
* valid config to contact the router
*/
public I2PTunnelDCCClient(String dest, int localPort, int remotePort, Logging l,
I2PSocketManager sktMgr, EventDispatcher notifyThis,
I2PTunnel tunnel, long clientId) throws IllegalArgumentException {
super(localPort, l, sktMgr, tunnel, notifyThis, clientId);
_dest = dest;
_remotePort = remotePort;
_expires = tunnel.getContext().clock().now() + INBOUND_EXPIRE;
setName("DCC send -> " + dest + ':' + remotePort);
startRunning();
}
/**
* Accept one connection only.
*/
protected void clientConnectionRun(Socket s) {
I2PSocket i2ps = null;
if (_log.shouldLog(Log.INFO))
_log.info("Opening DCC connection to " + _dest + ':' + _remotePort);
Destination dest = _context.namingService().lookup(_dest);
if (dest == null) {
_log.error("Could not find leaseset for DCC connection to " + _dest + ':' + _remotePort);
closeSocket(s);
stop();
notifyEvent(CONNECT_STOP_EVENT, Integer.valueOf(getLocalPort()));
return;
}
I2PSocketOptions opts = sockMgr.buildOptions();
opts.setPort(_remotePort);
try {
i2ps = createI2PSocket(dest, opts);
new Runner(s, i2ps);
} catch (Exception ex) {
_log.error("Could not make DCC connection to " + _dest + ':' + _remotePort, ex);
closeSocket(s);
if (i2ps != null) {
try { i2ps.close(); } catch (IOException ioe) {}
}
notifyEvent(CONNECT_STOP_EVENT, Integer.valueOf(getLocalPort()));
}
stop();
}
public long getExpires() {
return _expires;
}
public String getDest() {
return _dest;
}
public int getRemotePort() {
return _remotePort;
}
/**
* Stop listening for new sockets.
* We can't call super.close() as it kills all sockets in the sockMgr
*/
public void stop() {
open = false;
try {
ss.close();
} catch (IOException ioe) {}
}
/**
* Just so we can do the callbacks
*/
private class Runner extends I2PTunnelRunner {
public Runner(Socket s, I2PSocket i2ps) {
// super calls start()
super(s, i2ps, sockLock, null, mySockets);
}
@Override
public void run() {
_expires = getTunnel().getContext().clock().now() + INBOUND_STOP_EXPIRE;
notifyEvent(CONNECT_START_EVENT, I2PTunnelDCCClient.this);
super.run();
_expires = getTunnel().getContext().clock().now() + INBOUND_STOP_EXPIRE;
notifyEvent(CONNECT_STOP_EVENT, Integer.valueOf(getLocalPort()));
}
}
}

272
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/I2PTunnelDCCServer.java Normal file
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package net.i2p.i2ptunnel.irc;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.client.streaming.I2PSocketManager;
import net.i2p.i2ptunnel.I2PTunnel;
import net.i2p.i2ptunnel.I2PTunnelRunner;
import net.i2p.i2ptunnel.I2PTunnelServer;
import net.i2p.i2ptunnel.Logging;
import net.i2p.util.EventDispatcher;
import net.i2p.util.Log;
/**
* A standard server that only answers for registered ports,
* and each port can only be used once.
*
* <pre>
*
* direct conn
* <---> I2PTunnelDCCServer <--------------->I2PTunnelDCCClient <---->
* originating responding
* chat client chat client
* CHAT ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
* SEND ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
* RESUME <--- I2PTunnelIRCClient <-- IRC server <-- I2TunnelIRCClient <-----
* ACCEPT ---> I2PTunnelIRCClient --> IRC server --> I2TunnelIRCClient ----->
*
* </pre>
*
* @since 0.8.9
*/
public class I2PTunnelDCCServer extends I2PTunnelServer {
/** key is the server's local I2P port */
private final ConcurrentHashMap<Integer, LocalAddress> _outgoing;
/** key is the server's local I2P port */
private final ConcurrentHashMap<Integer, LocalAddress> _active;
/** key is the server's local I2P port */
private final ConcurrentHashMap<Integer, LocalAddress> _resume;
private final List<I2PSocket> _sockList;
// list of client tunnels?
private static long _id;
/** just to keep super() happy */
private static final InetAddress DUMMY;
static {
InetAddress dummy = null;
try {
dummy = InetAddress.getByAddress(new byte[4]);
} catch (UnknownHostException uhe) {}
DUMMY = dummy;
}
private static final int MIN_I2P_PORT = 1;
private static final int MAX_I2P_PORT = 65535;
private static final int MAX_OUTGOING_PENDING = 20;
private static final int MAX_OUTGOING_ACTIVE = 20;
private static final long OUTBOUND_EXPIRE = 30*60*1000;
private static final long ACTIVE_EXPIRE = 60*60*1000;
/**
* There's no support for unsolicited incoming I2P connections,
* so there's no server host or port parameters.
*
* @param sktMgr an existing socket manager
* @throws IllegalArgumentException if the I2PTunnel does not contain
* valid config to contact the router
*/
public I2PTunnelDCCServer(I2PSocketManager sktMgr, Logging l,
EventDispatcher notifyThis, I2PTunnel tunnel) {
super(DUMMY, 0, sktMgr, l, notifyThis, tunnel);
_outgoing = new ConcurrentHashMap(8);
_active = new ConcurrentHashMap(8);
_resume = new ConcurrentHashMap(8);
_sockList = new CopyOnWriteArrayList();
}
/**
* An incoming DCC connection, only accept for a known port.
* Passed through without filtering.
*/
@Override
protected void blockingHandle(I2PSocket socket) {
if (_log.shouldLog(Log.INFO))
_log.info("Incoming connection to '" + toString() + "' from: " + socket.getPeerDestination().calculateHash().toBase64());
try {
expireOutbound();
int myPort = socket.getLocalPort();
// Port is a one-time-use only
LocalAddress local = _outgoing.remove(Integer.valueOf(myPort));
if (local == null) {
if (_log.shouldLog(Log.WARN))
_log.warn("Rejecting incoming DCC connection for unknown port " + myPort);
try {
socket.close();
} catch (IOException ioe) {}
return;
}
if (_log.shouldLog(Log.WARN))
_log.warn("Incoming DCC connection for I2P port " + myPort +
" sending to " + local.ia + ':' + local.port);
Socket s = new Socket(local.ia, local.port);
_sockList.add(socket);
new I2PTunnelRunner(s, socket, slock, null, _sockList);
local.socket = socket;
local.expire = getTunnel().getContext().clock().now() + OUTBOUND_EXPIRE;
_active.put(Integer.valueOf(myPort), local);
} catch (SocketException ex) {
try {
socket.close();
} catch (IOException ioe) {}
if (_log.shouldLog(Log.ERROR))
_log.error("Error connecting to server " + remoteHost + ':' + remotePort, ex);
} catch (IOException ex) {
_log.error("Error while waiting for I2PConnections", ex);
}
}
@Override
public boolean close(boolean forced) {
_outgoing.clear();
_active.clear();
for (I2PSocket s : _sockList) {
try {
s.close();
} catch (IOException ioe) {}
}
_sockList.clear();
return super.close(forced);
}
/**
* An outgoing DCC request
*
* @param ip local irc client IP
* @param port local irc client port
* @param type ignored
* @return i2p port or -1 on error
*/
public int newOutgoing(byte[] ip, int port, String type) {
return newOutgoing(ip, port, type, 0);
}
/**
* @param port local dcc server I2P port or 0 to pick one at random
*/
private int newOutgoing(byte[] ip, int port, String type, int i2pPort) {
expireOutbound();
if (_outgoing.size() >= MAX_OUTGOING_PENDING ||
_active.size() >= MAX_OUTGOING_ACTIVE) {
_log.error("Too many outgoing DCC, max is " + MAX_OUTGOING_PENDING +
'/' + MAX_OUTGOING_ACTIVE + " pending/active");
return -1;
}
InetAddress ia;
try {
ia = InetAddress.getByAddress(ip);
} catch (UnknownHostException uhe) {
return -1;
}
int limit = i2pPort > 0 ? 10 : 1;
LocalAddress client = new LocalAddress(ia, port, getTunnel().getContext().clock().now() + OUTBOUND_EXPIRE);
for (int i = 0; i < limit; i++) {
int iport;
if (i2pPort > 0)
iport = i2pPort;
else
iport = MIN_I2P_PORT + getTunnel().getContext().random().nextInt(1 + MAX_I2P_PORT - MIN_I2P_PORT);
if (_active.containsKey(Integer.valueOf(iport)))
continue;
LocalAddress old = _outgoing.putIfAbsent(Integer.valueOf(iport), client);
if (old != null)
continue;
// TODO expire in a few minutes
return iport;
}
// couldn't find an unused i2p port
return -1;
}
/**
* An incoming RESUME request
*
* @param port local dcc server I2P port
* @return local IRC client DCC port or -1 on error
*/
public int resumeIncoming(int port) {
Integer iport = Integer.valueOf(port);
LocalAddress local = _active.remove(iport);
if (local != null) {
local.expire = getTunnel().getContext().clock().now() + OUTBOUND_EXPIRE;
_resume.put(Integer.valueOf(local.port), local);
return local.port;
}
local = _outgoing.get(iport);
if (local != null) {
// shouldn't happen
local.expire = getTunnel().getContext().clock().now() + OUTBOUND_EXPIRE;
return local.port;
}
return -1;
}
/**
* An outgoing ACCEPT response
*
* @param port local irc client DCC port
* @return local DCC server i2p port or -1 on error
*/
public int acceptOutgoing(int port) {
// do a reverse lookup
for (Iterator<Map.Entry<Integer, LocalAddress>> iter = _resume.entrySet().iterator(); iter.hasNext(); ) {
Map.Entry<Integer, LocalAddress> e = iter.next();
LocalAddress local = e.getValue();
if (local.port == port) {
iter.remove();
return newOutgoing(local.ia.getAddress(), port, "ACCEPT", e.getKey().intValue());
}
}
return -1;
}
private InetAddress getListenHost(Logging l) {
try {
return InetAddress.getByName(getTunnel().listenHost);
} catch (UnknownHostException uhe) {
l.log("Could not find listen host to bind to [" + getTunnel().host + "]");
_log.error("Error finding host to bind", uhe);
notifyEvent("openBaseClientResult", "error");
return null;
}
}
private void expireOutbound() {
for (Iterator<LocalAddress> iter = _outgoing.values().iterator(); iter.hasNext(); ) {
LocalAddress a = iter.next();
if (a.expire < getTunnel().getContext().clock().now())
iter.remove();
}
for (Iterator<LocalAddress> iter = _active.values().iterator(); iter.hasNext(); ) {
LocalAddress a = iter.next();
I2PSocket s = a.socket;
if (s != null && s.isClosed())
iter.remove();
}
}
private static class LocalAddress {
public final InetAddress ia;
public final int port;
public long expire;
public I2PSocket socket;
public LocalAddress(InetAddress a, int p, long exp) {
ia = a;
port = p;
expire = exp;
}
}
}

483
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java Normal file
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package net.i2p.i2ptunnel.irc;
import net.i2p.data.DataHelper;
/**
* Static methods to filter individual lines.
* Moved from I2PTunnelIRCClient.java
*
* @since 0.8.9
*/
abstract class IRCFilter {
private static final boolean ALLOW_ALL_DCC_IN = false;
private static final boolean ALLOW_ALL_DCC_OUT = false;
/** does not override DCC handling */
private static final boolean ALLOW_ALL_CTCP_IN = false;
/** does not override DCC handling */
private static final boolean ALLOW_ALL_CTCP_OUT = false;
/*************************************************************************
*
* Modify or filter a single inbound line.
*
* @param helper may be null
* @return the original or modified line, or null if it should be dropped.
*/
public static String inboundFilter(String s, StringBuffer expectedPong, DCCHelper helper) {
String field[]=s.split(" ",4);
String command;
int idx=0;
final String[] allowedCommands =
{
// "NOTICE", // can contain CTCP
//"PING",
//"PONG",
"MODE",
"JOIN",
"NICK",
"QUIT",
"PART",
"WALLOPS",
"ERROR",
"KICK",
"H", // "hide operator status" (after kicking an op)
"TOPIC",
// http://tools.ietf.org/html/draft-mitchell-irc-capabilities-01
"CAP"
};
if(field[0].charAt(0)==':')
idx++;
try { command = field[idx++]; }
catch (IndexOutOfBoundsException ioobe) // wtf, server sent borked command?
{
//_log.warn("Dropping defective message: index out of bounds while extracting command.");
return null;
}
idx++; //skip victim
// Allow numerical responses
try {
new Integer(command);
return s;
} catch(NumberFormatException nfe){}
if ("PING".equalsIgnoreCase(command))
return "PING 127.0.0.1"; // no way to know what the ircd to i2ptunnel server con is, so localhost works
if ("PONG".equalsIgnoreCase(command)) {
// Turn the received ":irc.freshcoffee.i2p PONG irc.freshcoffee.i2p :127.0.0.1"
// into ":127.0.0.1 PONG 127.0.0.1 " so that the caller can append the client's extra parameter
// though, does 127.0.0.1 work for irc clients connecting remotely? and for all of them? sure would
// be great if irc clients actually followed the RFCs here, but i guess thats too much to ask.
// If we haven't PINGed them, or the PING we sent isn't something we know how to filter, this
// is blank.
//
// String pong = expectedPong.length() > 0 ? expectedPong.toString() : null;
// If we aren't going to rewrite it, pass it through
String pong = expectedPong.length() > 0 ? expectedPong.toString() : s;
expectedPong.setLength(0);
return pong;
}
// Allow all allowedCommands
for(int i=0;i<allowedCommands.length;i++) {
if(allowedCommands[i].equalsIgnoreCase(command))
return s;
}
// Allow PRIVMSG, but block CTCP.
if("PRIVMSG".equalsIgnoreCase(command) || "NOTICE".equalsIgnoreCase(command))
{
String msg;
msg = field[idx++];
if(msg.indexOf(0x01) >= 0) // CTCP marker ^A can be anywhere, not just immediately after the ':'
{
// CTCP
// don't even try to parse multiple CTCP in the same message
int count = 0;
for (int i = 0; i < msg.length(); i++) {
if (msg.charAt(i) == 0x01)
count++;
}
if (count != 2)
return null;
msg=msg.substring(2);
if(msg.startsWith("ACTION ")) {
// /me says hello
return s;
}
if (msg.startsWith("DCC ")) {
StringBuilder buf = new StringBuilder(128);
for (int i = 0; i <= idx - 2; i++) {
buf.append(field[i]).append(' ');
}
buf.append(":\001DCC ");
return filterDCCIn(buf.toString(), msg.substring(4), helper);
}
// XDCC looks safe, ip/port happens over regular DCC
// http://en.wikipedia.org/wiki/XDCC
if (msg.toUpperCase().startsWith("XDCC ") && helper != null && helper.isEnabled())
return s;
if (ALLOW_ALL_CTCP_IN)
return s;
return null; // Block all other ctcp
}
return s;
}
// Block the rest
return null;
}
/*************************************************************************
*
* Modify or filter a single outbound line.
*
* @param helper may be null
* @return the original or modified line, or null if it should be dropped.
*/
public static String outboundFilter(String s, StringBuffer expectedPong, DCCHelper helper) {
String field[]=s.split(" ",3);
String command;
final String[] allowedCommands =
{
// "NOTICE", // can contain CTCP
"MODE",
"JOIN",
"NICK",
"WHO",
"WHOIS",
"LIST",
"NAMES",
"NICK",
// "QUIT", // replace with a filtered QUIT to hide client quit messages
"SILENCE",
"MAP", // seems safe enough, the ircd should protect themselves though
// "PART", // replace with filtered PART to hide client part messages
"OPER",
// "PONG", // replaced with a filtered PING/PONG since some clients send the server IP (thanks aardvax!)
// "PING",
"KICK",
"HELPME",
"RULES",
"TOPIC",
"ISON", // jIRCii uses this for a ping (response is 303)
"INVITE",
"AWAY", // should be harmless
// http://tools.ietf.org/html/draft-mitchell-irc-capabilities-01
"CAP"
};
if(field[0].length()==0)
return null; // W T F?
if(field[0].charAt(0)==':')
return null; // wtf
command = field[0].toUpperCase();
if ("PING".equals(command)) {
// Most clients just send a PING and are happy with any old PONG. Others,
// like BitchX, actually expect certain behavior. It sends two different pings:
// "PING :irc.freshcoffee.i2p" and "PING 1234567890 127.0.0.1" (where the IP is the proxy)
// the PONG to the former seems to be "PONG 127.0.0.1", while the PONG to the later is
// ":irc.freshcoffee.i2p PONG irc.freshcoffe.i2p :1234567890".
// We don't want to send them our proxy's IP address, so we need to rewrite the PING
// sent to the server, but when we get a PONG back, use what we expected, rather than
// what they sent.
//
// Yuck.
String rv = null;
expectedPong.setLength(0);
if (field.length == 1) { // PING
rv = "PING";
// If we aren't rewriting the PING don't rewrite the PONG
// expectedPong.append("PONG 127.0.0.1");
} else if (field.length == 2) { // PING nonce
rv = "PING " + field[1];
// If we aren't rewriting the PING don't rewrite the PONG
// expectedPong.append("PONG ").append(field[1]);
} else if (field.length == 3) { // PING nonce serverLocation
rv = "PING " + field[1];
expectedPong.append("PONG ").append(field[2]).append(" :").append(field[1]); // PONG serverLocation nonce
} else {
//if (_log.shouldLog(Log.ERROR))
// _log.error("IRC client sent a PING we don't understand, filtering it (\"" + s + "\")");
rv = null;
}
//if (_log.shouldLog(Log.WARN))
// _log.warn("sending ping [" + rv + "], waiting for [" + expectedPong + "] orig was [" + s + "]");
return rv;
}
if ("PONG".equals(command))
return "PONG 127.0.0.1"; // no way to know what the ircd to i2ptunnel server con is, so localhost works
// Allow all allowedCommands
for(int i=0;i<allowedCommands.length;i++)
{
if(allowedCommands[i].equals(command))
return s;
}
// mIRC sends "NOTICE user :DCC Send file (IP)"
// in addition to the CTCP version
if("NOTICE".equals(command))
{
String msg = field[2];
if(msg.startsWith(":DCC "))
return filterDCCOut(field[0] + ' ' + field[1] + " :DCC ", msg.substring(5), helper);
// fall through
}
// Allow PRIVMSG, but block CTCP (except ACTION).
if("PRIVMSG".equals(command) || "NOTICE".equals(command))
{
String msg;
msg = field[2];
if(msg.indexOf(0x01) >= 0) // CTCP marker ^A can be anywhere, not just immediately after the ':'
{
// CTCP
// don't even try to parse multiple CTCP in the same message
int count = 0;
for (int i = 0; i < msg.length(); i++) {
if (msg.charAt(i) == 0x01)
count++;
}
if (count != 2)
return null;
msg=msg.substring(2);
if(msg.startsWith("ACTION ")) {
// /me says hello
return s;
}
if (msg.startsWith("DCC "))
return filterDCCOut(field[0] + ' ' + field[1] + " :\001DCC ", msg.substring(4), helper);
// XDCC looks safe, ip/port happens over regular DCC
// http://en.wikipedia.org/wiki/XDCC
if (msg.toUpperCase().startsWith("XDCC ") && helper != null && helper.isEnabled())
return s;
if (ALLOW_ALL_CTCP_OUT)
return s;
return null; // Block all other ctcp
}
return s;
}
if("USER".equals(command)) {
int idx = field[2].lastIndexOf(":");
if(idx<0)
return "USER user hostname localhost :realname";
String realname = field[2].substring(idx+1);
String ret = "USER "+field[1]+" hostname localhost :"+realname;
return ret;
}
if ("PART".equals(command)) {
// hide client message
return "PART " + field[1] + " :leaving";
}
if ("QUIT".equals(command)) {
return "QUIT :leaving";
}
// Block the rest
return null;
}
/**
*<pre>
* DCC CHAT chat xxx.b32.i2p i2p-port -> DCC CHAT chat IP port
* DCC SEND file xxx.b32.i2p i2p-port length -> DCC SEND file IP port length
* DCC RESUME file i2p-port offset -> DCC RESUME file port offset
* DCC ACCEPT file i2p-port offset -> DCC ACCEPT file port offset
* DCC xxx -> null
*</pre>
*
* @param pfx the message through the "DCC " part
* @param msg the message after the "DCC " part
* @param helper may be null
* @return the sanitized message or null to block
* @since 0.8.9
*/
private static String filterDCCIn(String pfx, String msg, DCCHelper helper) {
// strip trailing ctcp (other one is in pfx)
int ctcp = msg.indexOf(0x01);
if (ctcp > 0)
msg = msg.substring(0, ctcp);
String[] args = msg.split(" ", 5);
if (args.length <= 0)
return null;
String type = args[0];
boolean haveIP = true;
// no IP in these, replace port only
if (type == "RESUME" || type == "ACCEPT") {
haveIP = false;
} else if (!(type.equals("CHAT") || type.equals("SEND"))) {
if (ALLOW_ALL_DCC_IN) {
if (ctcp > 0)
return pfx + msg + (char) 0x01;
return pfx + msg;
}
return null;
}
if (helper == null || !helper.isEnabled())
return null;
if (args.length < 3)
return null;
if (haveIP && args.length < 4)
return null;
String arg = args[1];
int nextArg = 2;
String b32 = null;
if (haveIP)
b32 = args[nextArg++];
int cPort;
try {
String cp = args[nextArg++];
cPort = Integer.parseInt(cp);
} catch (NumberFormatException nfe) {
return null;
}
int port = -1;
if (haveIP) {
port = helper.newIncoming(b32, cPort, type);
} else if (type.equals("ACCEPT")) {
port = helper.acceptIncoming(cPort);
} else if (type.equals("RESUME")) {
port = helper.resumeIncoming(cPort);
}
if (port < 0)
return null;
StringBuilder buf = new StringBuilder(256);
buf.append(pfx)
.append(type).append(' ').append(arg).append(' ');
if (haveIP) {
byte[] myIP = helper.getLocalAddress();
buf.append(DataHelper.fromLong(myIP, 0, myIP.length)).append(' ');
}
buf.append(port);
while (args.length > nextArg) {
buf.append(' ').append(args[nextArg++]);
}
if (pfx.indexOf(0x01) >= 0)
buf.append((char) 0x01);
return buf.toString();
}
/**
*<pre>
* DCC CHAT chat IP port -> DCC CHAT chat xxx.b32.i2p i2p-port
* DCC SEND file IP port length -> DCC SEND file xxx.b32.i2p i2p-port length
* DCC RESUME file port offset -> DCC RESUME file i2p-port offset
* DCC ACCEPT file port offset -> DCC ACCEPT file i2p-port offset
* DCC xxx -> null
*</pre>
*
* @param pfx the message through the "DCC " part
* @param msg the message after the "DCC " part
* @param helper may be null
* @return the sanitized message or null to block
* @since 0.8.9
*/
private static String filterDCCOut(String pfx, String msg, DCCHelper helper) {
// strip trailing ctcp (other one is in pfx)
int ctcp = msg.indexOf(0x01);
if (ctcp > 0)
msg = msg.substring(0, ctcp);
String[] args = msg.split(" ", 5);
if (args.length <= 0)
return null;
String type = args[0];
boolean haveIP = true;
// no IP in these, replace port only
if (type == "RESUME" || type == "ACCEPT") {
haveIP = false;
} else if (!(type.equals("CHAT") || type.equals("SEND"))) {
if (ALLOW_ALL_DCC_OUT) {
if (ctcp > 0)
return pfx + msg + (char) 0x01;
return pfx + msg;
}
}
if (helper == null || !helper.isEnabled())
return null;
if (args.length < 3)
return null;
if (haveIP && args.length < 4)
return null;
String arg = args[1];
byte[] ip = null;
int nextArg = 2;
if (haveIP) {
try {
String ips = args[nextArg++];
long ipl = Long.parseLong(ips);
if (ipl < 0x01000000) {
// "reverse/firewall DCC"
// http://en.wikipedia.org/wiki/Direct_Client-to-Client
// xchat sends an IP of 199 and a port of 0
System.err.println("Reverse / Firewall DCC not supported IP = 0x" + Long.toHexString(ipl));
return null;
}
ip = DataHelper.toLong(4, ipl);
} catch (NumberFormatException nfe) {
return null;
}
}
int cPort;
try {
String cp = args[nextArg++];
cPort = Integer.parseInt(cp);
} catch (NumberFormatException nfe) {
return null;
}
if (cPort <= 0) {
// "reverse/firewall DCC"
// http://en.wikipedia.org/wiki/Direct_Client-to-Client
System.err.println("Reverse / Firewall DCC not supported");
return null;
}
int port = -1;
if (haveIP) {
port = helper.newOutgoing(ip, cPort, type);
} else if (type.equals("ACCEPT")) {
port = helper.acceptOutgoing(cPort);
} else if (type.equals("RESUME")) {
port = helper.resumeOutgoing(cPort);
}
if (port < 0)
return null;
StringBuilder buf = new StringBuilder(256);
buf.append(pfx)
.append(type).append(' ').append(arg).append(' ');
if (haveIP)
buf.append(helper.getB32Hostname()).append(' ');
buf.append(port);
while (args.length > nextArg) {
buf.append(' ').append(args[nextArg++]);
}
if (pfx.indexOf(0x01) >= 0)
buf.append((char) 0x01);
return buf.toString();
}
}

101
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IrcInboundFilter.java Normal file
View File

@@ -0,0 +1,101 @@
package net.i2p.i2ptunnel.irc;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.util.Log;
/**
* Thread to do inbound filtering.
* Moved from I2PTunnelIRCClient.java
*
* @since 0.8.9
*/
public class IrcInboundFilter implements Runnable {
private final Socket local;
private final I2PSocket remote;
private final StringBuffer expectedPong;
private final Log _log;
private final DCCHelper _dccHelper;
public IrcInboundFilter(Socket lcl, I2PSocket rem, StringBuffer pong, Log log) {
this(lcl, rem, pong, log, null);
}
/**
* @param helper may be null
* @since 0.8.9
*/
public IrcInboundFilter(Socket lcl, I2PSocket rem, StringBuffer pong, Log log, DCCHelper helper) {
local = lcl;
remote = rem;
expectedPong = pong;
_log = log;
_dccHelper = helper;
}
public void run() {
// Todo: Don't use BufferedReader - IRC spec limits line length to 512 but...
BufferedReader in;
OutputStream output;
try {
in = new BufferedReader(new InputStreamReader(remote.getInputStream(), "ISO-8859-1"));
output=local.getOutputStream();
} catch (IOException e) {
if (_log.shouldLog(Log.ERROR))
_log.error("IrcInboundFilter: no streams",e);
return;
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcInboundFilter: Running.");
try {
while(true)
{
try {
String inmsg = in.readLine();
if(inmsg==null)
break;
if(inmsg.endsWith("\r"))
inmsg=inmsg.substring(0,inmsg.length()-1);
if (_log.shouldLog(Log.DEBUG))
_log.debug("in: [" + inmsg + "]");
String outmsg = IRCFilter.inboundFilter(inmsg, expectedPong, _dccHelper);
if(outmsg!=null)
{
if(!inmsg.equals(outmsg)) {
if (_log.shouldLog(Log.WARN)) {
_log.warn("inbound FILTERED: "+outmsg);
_log.warn(" - inbound was: "+inmsg);
}
} else {
if (_log.shouldLog(Log.INFO))
_log.info("inbound: "+outmsg);
}
outmsg=outmsg+"\r\n"; // rfc1459 sec. 2.3
output.write(outmsg.getBytes("ISO-8859-1"));
// probably doesn't do much but can't hurt
output.flush();
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("inbound BLOCKED: "+inmsg);
}
} catch (IOException e1) {
if (_log.shouldLog(Log.WARN))
_log.warn("IrcInboundFilter: disconnected",e1);
break;
}
}
} catch (RuntimeException re) {
_log.error("Error filtering inbound data", re);
} finally {
try { local.close(); } catch (IOException e) {}
}
if(_log.shouldLog(Log.DEBUG))
_log.debug("IrcInboundFilter: Done.");
}
}

101
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IrcOutboundFilter.java Normal file
View File

@@ -0,0 +1,101 @@
package net.i2p.i2ptunnel.irc;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.util.Log;
/**
* Thread to do inbound filtering.
* Moved from I2PTunnelIRCClient.java
*
* @since 0.8.9
*/
public class IrcOutboundFilter implements Runnable {
private final Socket local;
private final I2PSocket remote;
private final StringBuffer expectedPong;
private final Log _log;
private final DCCHelper _dccHelper;
public IrcOutboundFilter(Socket lcl, I2PSocket rem, StringBuffer pong, Log log) {
this(lcl, rem, pong, log, null);
}
/**
* @param helper may be null
* @since 0.8.9
*/
public IrcOutboundFilter(Socket lcl, I2PSocket rem, StringBuffer pong, Log log, DCCHelper helper) {
local = lcl;
remote = rem;
expectedPong = pong;
_log = log;
_dccHelper = helper;
}
public void run() {
// Todo: Don't use BufferedReader - IRC spec limits line length to 512 but...
BufferedReader in;
OutputStream output;
try {
in = new BufferedReader(new InputStreamReader(local.getInputStream(), "ISO-8859-1"));
output=remote.getOutputStream();
} catch (IOException e) {
if (_log.shouldLog(Log.ERROR))
_log.error("IrcOutboundFilter: no streams",e);
return;
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcOutboundFilter: Running.");
try {
while(true)
{
try {
String inmsg = in.readLine();
if(inmsg==null)
break;
if(inmsg.endsWith("\r"))
inmsg=inmsg.substring(0,inmsg.length()-1);
if (_log.shouldLog(Log.DEBUG))
_log.debug("out: [" + inmsg + "]");
String outmsg = IRCFilter.outboundFilter(inmsg, expectedPong, _dccHelper);
if(outmsg!=null)
{
if(!inmsg.equals(outmsg)) {
if (_log.shouldLog(Log.WARN)) {
_log.warn("outbound FILTERED: "+outmsg);
_log.warn(" - outbound was: "+inmsg);
}
} else {
if (_log.shouldLog(Log.INFO))
_log.info("outbound: "+outmsg);
}
outmsg=outmsg+"\r\n"; // rfc1459 sec. 2.3
output.write(outmsg.getBytes("ISO-8859-1"));
// save 250 ms in streaming
output.flush();
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("outbound BLOCKED: "+"\""+inmsg+"\"");
}
} catch (IOException e1) {
if (_log.shouldLog(Log.WARN))
_log.warn("IrcOutboundFilter: disconnected",e1);
break;
}
}
} catch (RuntimeException re) {
_log.error("Error filtering outbound data", re);
} finally {
try { remote.close(); } catch (IOException e) {}
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("IrcOutboundFilter: Done.");
}
}

7
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/I2PSOCKSIRCTunnel.java
View File

@@ -11,7 +11,8 @@ import java.net.Socket;
import net.i2p.I2PAppContext;
import net.i2p.client.streaming.I2PSocket;
import net.i2p.i2ptunnel.I2PTunnel;
import net.i2p.i2ptunnel.I2PTunnelIRCClient;
import net.i2p.i2ptunnel.irc.IrcInboundFilter;
import net.i2p.i2ptunnel.irc.IrcOutboundFilter;
import net.i2p.i2ptunnel.Logging;
import net.i2p.util.EventDispatcher;
import net.i2p.util.I2PAppThread;
@@ -50,10 +51,10 @@ public class I2PSOCKSIRCTunnel extends I2PSOCKSTunnel {
Socket clientSock = serv.getClientSocket();
I2PSocket destSock = serv.getDestinationI2PSocket(this);
StringBuffer expectedPong = new StringBuffer();
Thread in = new I2PAppThread(new I2PTunnelIRCClient.IrcInboundFilter(clientSock, destSock, expectedPong, _log),
Thread in = new I2PAppThread(new IrcInboundFilter(clientSock, destSock, expectedPong, _log),
"SOCKS IRC Client " + (++__clientId) + " in", true);
in.start();
Thread out = new I2PAppThread(new I2PTunnelIRCClient.IrcOutboundFilter(clientSock, destSock, expectedPong, _log),
Thread out = new I2PAppThread(new IrcOutboundFilter(clientSock, destSock, expectedPong, _log),
"SOCKS IRC Client " + __clientId + " out", true);
out.start();
} catch (SOCKSException e) {

6
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/web/EditBean.java
View File

@@ -21,6 +21,7 @@ import net.i2p.data.Signature;
import net.i2p.data.SigningPrivateKey;
import net.i2p.i2ptunnel.I2PTunnelHTTPClient;
import net.i2p.i2ptunnel.I2PTunnelHTTPClientBase;
import net.i2p.i2ptunnel.I2PTunnelIRCClient;
import net.i2p.i2ptunnel.TunnelController;
import net.i2p.i2ptunnel.TunnelControllerGroup;
import net.i2p.util.Addresses;
@@ -170,6 +171,11 @@ public class EditBean extends IndexBean {
return getBooleanProperty(tunnel, "i2cp.encryptLeaseSet");
}
/** @since 0.8.9 */
public boolean getDCC(int tunnel) {
return getBooleanProperty(tunnel, I2PTunnelIRCClient.PROP_DCC);
}
public String getEncryptKey(int tunnel) {
return getProperty(tunnel, "i2cp.leaseSetKey", "");
}

24
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/web/IndexBean.java
View File

@@ -28,6 +28,7 @@ import net.i2p.data.PrivateKeyFile;
import net.i2p.data.SessionKey;
import net.i2p.i2ptunnel.I2PTunnelHTTPClient;
import net.i2p.i2ptunnel.I2PTunnelHTTPClientBase;
import net.i2p.i2ptunnel.I2PTunnelIRCClient;
import net.i2p.i2ptunnel.TunnelController;
import net.i2p.i2ptunnel.TunnelControllerGroup;
import net.i2p.util.ConcurrentHashSet;
@@ -711,6 +712,11 @@ public class IndexBean {
_booleanOptions.add("i2cp.encryptLeaseSet");
}
/** @since 0.8.9 */
public void setDCC(String moo) {
_booleanOptions.add(I2PTunnelIRCClient.PROP_DCC);
}
protected static final String PROP_ENABLE_ACCESS_LIST = "i2cp.enableAccessList";
protected static final String PROP_ENABLE_BLACKLIST = "i2cp.enableBlackList";
@@ -1020,13 +1026,28 @@ public class IndexBean {
else
config.setProperty("interface", "");
}
if ("ircclient".equals(_type)) {
boolean dcc = _booleanOptions.contains(I2PTunnelIRCClient.PROP_DCC);
config.setProperty("option." + I2PTunnelIRCClient.PROP_DCC,
"" + dcc);
// add some sane server options since they aren't in the GUI (yet)
if (dcc) {
config.setProperty("options." + PROP_MAX_CONNS_MIN, "3");
config.setProperty("options." + PROP_MAX_CONNS_HOUR, "10");
config.setProperty("options." + PROP_MAX_TOTAL_CONNS_MIN, "5");
config.setProperty("options." + PROP_MAX_TOTAL_CONNS_HOUR, "25");
}
}
return config;
}
private static final String _noShowOpts[] = {
"inbound.length", "outbound.length", "inbound.lengthVariance", "outbound.lengthVariance",
"inbound.backupQuantity", "outbound.backupQuantity", "inbound.quantity", "outbound.quantity",
"inbound.nickname", "outbound.nickname", "i2p.streaming.connectDelay", "i2p.streaming.maxWindowSize"
"inbound.nickname", "outbound.nickname", "i2p.streaming.connectDelay", "i2p.streaming.maxWindowSize",
I2PTunnelIRCClient.PROP_DCC
};
private static final String _booleanClientOpts[] = {
"i2cp.reduceOnIdle", "i2cp.closeOnIdle", "i2cp.newDestOnResume", "persistentClientKey", "i2cp.delayOpen"
@@ -1048,6 +1069,7 @@ public class IndexBean {
PROP_MAX_TOTAL_CONNS_MIN, PROP_MAX_TOTAL_CONNS_HOUR, PROP_MAX_TOTAL_CONNS_DAY,
PROP_MAX_STREAMS
};
protected static final Set _noShowSet = new HashSet(64);
static {
_noShowSet.addAll(Arrays.asList(_noShowOpts));

9
apps/i2ptunnel/jsp/editClient.jsp
View File

@@ -173,6 +173,15 @@
<input value="1" type="checkbox" id="startOnLoad" name="startOnLoad" title="Start Tunnel Automatically"<%=(editBean.startAutomatically(curTunnel) ? " checked=\"checked\"" : "")%> class="tickbox" />
<span class="comment"><%=intl._("(Check the Box for 'YES')")%></span>
</div>
<% if ("ircclient".equals(tunnelType)) { %>
<div id="startupField" class="rowItem">
<label for="dcc" accesskey="d">
<%=intl._("Enable DCC")%>:
</label>
<input value="1" type="checkbox" id="startOnLoad" name="DCC" title="Enable DCC"<%=(editBean.getDCC(curTunnel) ? " checked=\"checked\"" : "")%> class="tickbox" />
<span class="comment"><%=intl._("(Check the Box for 'YES')")%></span>
</div>
<% } // ircclient %>
<div class="footer">
</div>

15
apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocket.java
View File

@@ -70,6 +70,21 @@ public interface I2PSocket {
public boolean isClosed();
public void setSocketErrorListener(SocketErrorListener lsnr);
/**
* The remote port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getPort();
/**
* The local port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getLocalPort();
/**
* Allow notification of underlying errors communicating across I2P without
* waiting for any sort of cleanup process. For example, if some data could

19
apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketImpl.java
View File

@@ -7,6 +7,7 @@ import java.io.OutputStream;
import net.i2p.I2PAppContext;
import net.i2p.I2PException;
import net.i2p.client.I2PSession;
import net.i2p.client.I2PSessionException;
import net.i2p.data.Destination;
import net.i2p.util.Clock;
@@ -301,6 +302,24 @@ class I2PSocketImpl implements I2PSocket {
public long getCreatedOn() { return _createdOn; }
public long getClosedOn() { return _closedOn; }
/**
* The remote port.
* @return 0 always
* @since 0.8.9
*/
public int getPort() {
return I2PSession.PORT_UNSPECIFIED;
}
/**
* The local port.
* @return 0 always
* @since 0.8.9
*/
public int getLocalPort() {
return I2PSession.PORT_UNSPECIFIED;
}
private String getPrefix() { return "[" + _socketId + "]: "; }

6
apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketManagerFactory.java
View File

@@ -90,7 +90,7 @@ public class I2PSocketManagerFactory {
* Create a socket manager using the destination loaded from the given private key
* stream and connected to the default I2CP host and port.
*
* @param myPrivateKeyStream private key stream
* @param myPrivateKeyStream private key stream, format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @return the newly created socket manager, or null if there were errors
*/
public static I2PSocketManager createManager(InputStream myPrivateKeyStream) {
@@ -101,7 +101,7 @@ public class I2PSocketManagerFactory {
* Create a socket manager using the destination loaded from the given private key
* stream and connected to the default I2CP host and port.
*
* @param myPrivateKeyStream private key stream
* @param myPrivateKeyStream private key stream, format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param opts I2CP options
* @return the newly created socket manager, or null if there were errors
*/
@@ -114,7 +114,7 @@ public class I2PSocketManagerFactory {
* stream and connected to the I2CP router on the specified machine on the given
* port
*
* @param myPrivateKeyStream private key stream
* @param myPrivateKeyStream private key stream, format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param i2cpHost I2CP host
* @param i2cpPort I2CP port
* @param opts I2CP options

30
apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketOptions.java
View File

@@ -2,7 +2,7 @@ package net.i2p.client.streaming;
/**
* Define the configuration for streaming and verifying data on the socket.
*
* Use I2PSocketManager.buildOptions() to get one of these.
*/
public interface I2PSocketOptions {
/** How much data will we accept that hasn't been written out yet. */
@@ -81,4 +81,32 @@ public interface I2PSocketOptions {
* @param ms wait time to block on the output stream while waiting for the data to flush.
*/
public void setWriteTimeout(long ms);
/**
* The remote port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getPort();
/**
* The remote port.
* @param port 0 - 65535
* @since 0.8.9
*/
public void setPort(int port);
/**
* The local port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getLocalPort();
/**
* The local port.
* @param port 0 - 65535
* @since 0.8.9
*/
public void setLocalPort(int port);
}

64
apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketOptionsImpl.java
View File

@@ -4,22 +4,32 @@ import java.util.Properties;
/**
* Define the configuration for streaming and verifying data on the socket.
*
* Use I2PSocketManager.buildOptions() to get one of these.
*/
class I2PSocketOptionsImpl implements I2PSocketOptions {
private long _connectTimeout;
private long _readTimeout;
private long _writeTimeout;
private int _maxBufferSize;
private int _localPort;
private int _remotePort;
public static final int DEFAULT_BUFFER_SIZE = 1024*64;
public static final int DEFAULT_WRITE_TIMEOUT = -1;
public static final int DEFAULT_CONNECT_TIMEOUT = 60*1000;
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from System properties. Does not set local port or remote port.
*/
public I2PSocketOptionsImpl() {
this(System.getProperties());
}
/**
* Initializes from System properties then copies over all options.
* @param opts may be null
*/
public I2PSocketOptionsImpl(I2PSocketOptions opts) {
this(System.getProperties());
if (opts != null) {
@@ -27,13 +37,25 @@ class I2PSocketOptionsImpl implements I2PSocketOptions {
_readTimeout = opts.getReadTimeout();
_writeTimeout = opts.getWriteTimeout();
_maxBufferSize = opts.getMaxBufferSize();
_localPort = opts.getLocalPort();
_remotePort = opts.getPort();
}
}
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from properties. Does not set local port or remote port.
* @param opts may be null
*/
public I2PSocketOptionsImpl(Properties opts) {
init(opts);
}
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from properties. Does not set local port or remote port.
* @param opts may be null
*/
public void setProperties(Properties opts) {
if (opts == null) return;
if (opts.containsKey(PROP_BUFFER_SIZE))
@@ -46,6 +68,10 @@ class I2PSocketOptionsImpl implements I2PSocketOptions {
_writeTimeout = getInt(opts, PROP_WRITE_TIMEOUT, DEFAULT_WRITE_TIMEOUT);
}
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from properties. Does not set local port or remote port.
*/
protected void init(Properties opts) {
_maxBufferSize = getInt(opts, PROP_BUFFER_SIZE, DEFAULT_BUFFER_SIZE);
_connectTimeout = getInt(opts, PROP_CONNECT_TIMEOUT, DEFAULT_CONNECT_TIMEOUT);
@@ -144,4 +170,40 @@ class I2PSocketOptionsImpl implements I2PSocketOptions {
public void setWriteTimeout(long ms) {
_writeTimeout = ms;
}
/**
* The remote port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getPort() {
return _remotePort;
}
/**
* The remote port.
* @param port 0 - 65535
* @since 0.8.9
*/
public void setPort(int port) {
_remotePort = port;
}
/**
* The local port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getLocalPort() {
return _localPort;
}
/**
* The local port.
* @param port 0 - 65535
* @since 0.8.9
*/
public void setLocalPort(int port) {
_localPort = port;
}
}

66
apps/streaming/java/src/net/i2p/client/streaming/Connection.java
View File

@@ -23,25 +23,25 @@ import net.i2p.util.SimpleTimer2;
*
*/
class Connection {
private I2PAppContext _context;
private Log _log;
private ConnectionManager _connectionManager;
private final I2PAppContext _context;
private final Log _log;
private final ConnectionManager _connectionManager;
private Destination _remotePeer;
private long _sendStreamId;
private long _receiveStreamId;
private long _lastSendTime;
private AtomicLong _lastSendId;
private final AtomicLong _lastSendId;
private boolean _resetReceived;
private boolean _resetSent;
private long _resetSentOn;
private boolean _connected;
private boolean _hardDisconnected;
private MessageInputStream _inputStream;
private MessageOutputStream _outputStream;
private SchedulerChooser _chooser;
private final MessageInputStream _inputStream;
private final MessageOutputStream _outputStream;
private final SchedulerChooser _chooser;
private long _nextSendTime;
private long _ackedPackets;
private long _createdOn;
private final long _createdOn;
private long _closeSentOn;
private long _closeReceivedOn;
private int _unackedPacketsReceived;
@@ -51,10 +51,10 @@ class Connection {
private boolean _updatedShareOpts;
/** Packet ID (Long) to PacketLocal for sent but unacked packets */
private final Map<Long, PacketLocal> _outboundPackets;
private PacketQueue _outboundQueue;
private ConnectionPacketHandler _handler;
private final PacketQueue _outboundQueue;
private final ConnectionPacketHandler _handler;
private ConnectionOptions _options;
private ConnectionDataReceiver _receiver;
private final ConnectionDataReceiver _receiver;
private I2PSocketFull _socket;
/** set to an error cause if the connection could not be established */
private String _connectionError;
@@ -70,8 +70,10 @@ class Connection {
private final Object _connectLock;
/** how many messages have been resent and not yet ACKed? */
private int _activeResends;
private ConEvent _connectionEvent;
private int _randomWait;
private final ConEvent _connectionEvent;
private final int _randomWait;
private int _localPort;
private int _remotePort;
private long _lifetimeBytesSent;
private long _lifetimeBytesReceived;
@@ -86,10 +88,13 @@ class Connection {
public static final int MAX_WINDOW_SIZE = 128;
public Connection(I2PAppContext ctx, ConnectionManager manager, SchedulerChooser chooser, PacketQueue queue, ConnectionPacketHandler handler) {
public Connection(I2PAppContext ctx, ConnectionManager manager, SchedulerChooser chooser,
PacketQueue queue, ConnectionPacketHandler handler) {
this(ctx, manager, chooser, queue, handler, null);
}
public Connection(I2PAppContext ctx, ConnectionManager manager, SchedulerChooser chooser, PacketQueue queue, ConnectionPacketHandler handler, ConnectionOptions opts) {
public Connection(I2PAppContext ctx, ConnectionManager manager, SchedulerChooser chooser,
PacketQueue queue, ConnectionPacketHandler handler, ConnectionOptions opts) {
_context = ctx;
_connectionManager = manager;
_chooser = chooser;
@@ -101,34 +106,31 @@ class Connection {
// FIXME pass through a passive flush delay setting as the 4th arg
_outputStream = new MessageOutputStream(_context, _receiver, (opts == null ? Packet.MAX_PAYLOAD_SIZE : opts.getMaxMessageSize()));
_outboundPackets = new TreeMap();
if (opts != null) {
_localPort = opts.getLocalPort();
_remotePort = opts.getPort();
}
_options = (opts != null ? opts : new ConnectionOptions());
_outputStream.setWriteTimeout((int)_options.getWriteTimeout());
_inputStream.setReadTimeout((int)_options.getReadTimeout());
_lastSendId = new AtomicLong(-1);
_nextSendTime = -1;
_ackedPackets = 0;
_createdOn = _context.clock().now();
_closeSentOn = -1;
_closeReceivedOn = -1;
_unackedPacketsReceived = 0;
_congestionWindowEnd = _options.getWindowSize()-1;
_highestAckedThrough = -1;
_lastCongestionSeenAt = MAX_WINDOW_SIZE*2; // lets allow it to grow
_lastCongestionTime = -1;
_lastCongestionHighestUnacked = -1;
_resetReceived = false;
_connected = true;
_disconnectScheduledOn = -1;
_lastReceivedOn = -1;
_activityTimer = new ActivityTimer();
_ackSinceCongestion = true;
_connectLock = new Object();
_activeResends = 0;
_resetSentOn = -1;
_isInbound = false;
_updatedShareOpts = false;
_connectionEvent = new ConEvent();
_hardDisconnected = false;
_randomWait = _context.random().nextInt(10*1000); // just do this once to reduce usage
_context.statManager().createRateStat("stream.con.windowSizeAtCongestion", "How large was our send window when we send a dup?", "Stream", new long[] { 60*1000, 10*60*1000, 60*60*1000 });
_context.statManager().createRateStat("stream.chokeSizeBegin", "How many messages were outstanding when we started to choke?", "Stream", new long[] { 60*1000, 10*60*1000, 60*60*1000 });
@@ -678,6 +680,23 @@ class Connection {
public I2PSocketFull getSocket() { return _socket; }
public void setSocket(I2PSocketFull socket) { _socket = socket; }
/**
* The remote port.
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getPort() {
return _remotePort;
}
/**
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getLocalPort() {
return _localPort;
}
public String getConnectionError() { return _connectionError; }
public void setConnectionError(String err) { _connectionError = err; }
@@ -962,12 +981,13 @@ class Connection {
* @return the inbound message stream
*/
public MessageInputStream getInputStream() { return _inputStream; }
/** stream that the local peer sends data to the remote peer on
* @return the outbound message stream
*/
public MessageOutputStream getOutputStream() { return _outputStream; }
@Override
@Override
public String toString() {
StringBuilder buf = new StringBuilder(128);
buf.append("[Connection ");

20
apps/streaming/java/src/net/i2p/client/streaming/ConnectionDataReceiver.java
View File

@@ -13,11 +13,14 @@ import net.i2p.util.Log;
*
*/
class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
private I2PAppContext _context;
private Log _log;
private Connection _connection;
private final I2PAppContext _context;
private final Log _log;
private final Connection _connection;
private static final MessageOutputStream.WriteStatus _dummyStatus = new DummyStatus();
/**
* @param con non-null
*/
public ConnectionDataReceiver(I2PAppContext ctx, Connection con) {
_context = ctx;
_log = ctx.logManager().getLog(ConnectionDataReceiver.class);
@@ -41,10 +44,7 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
* @return !flush
*/
public boolean writeInProcess() {
Connection con = _connection;
if (con != null)
return con.getUnackedPacketsSent() >= con.getOptions().getWindowSize();
return false;
return _connection.getUnackedPacketsSent() >= _connection.getOptions().getWindowSize();
}
/**
@@ -60,7 +60,7 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
*/
public MessageOutputStream.WriteStatus writeData(byte[] buf, int off, int size) {
Connection con = _connection;
if (con == null) return _dummyStatus;
//if (con == null) return _dummyStatus;
boolean doSend = true;
if ( (size <= 0) && (con.getLastSendId() >= 0) ) {
if (con.getOutputStream().getClosed()) {
@@ -121,7 +121,7 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
*/
public PacketLocal send(byte buf[], int off, int size, boolean forceIncrement) {
Connection con = _connection;
if (con == null) return null;
//if (con == null) return null;
long before = System.currentTimeMillis();
PacketLocal packet = buildPacket(con, buf, off, size, forceIncrement);
long built = System.currentTimeMillis();
@@ -185,6 +185,8 @@ class ConnectionDataReceiver implements MessageOutputStream.DataReceiver {
packet.setFlag(Packet.FLAG_SYNCHRONIZE);
packet.setOptionalFrom(con.getSession().getMyDestination());
packet.setOptionalMaxSize(con.getOptions().getMaxMessageSize());
packet.setLocalPort(con.getLocalPort());
packet.setRemotePort(con.getPort());
}
if (con.getSendStreamId() == Packet.STREAM_ID_UNKNOWN) {
packet.setFlag(Packet.FLAG_NO_ACK);

9
apps/streaming/java/src/net/i2p/client/streaming/ConnectionHandler.java
View File

@@ -18,10 +18,10 @@ import net.i2p.util.SimpleTimer;
* @author zzz modded to use concurrent and bound queue size
*/
class ConnectionHandler {
private I2PAppContext _context;
private Log _log;
private ConnectionManager _manager;
private LinkedBlockingQueue<Packet> _synQueue;
private final I2PAppContext _context;
private final Log _log;
private final ConnectionManager _manager;
private final LinkedBlockingQueue<Packet> _synQueue;
private boolean _active;
private int _acceptTimeout;
@@ -41,7 +41,6 @@ class ConnectionHandler {
_log = context.logManager().getLog(ConnectionHandler.class);
_manager = mgr;
_synQueue = new LinkedBlockingQueue<Packet>(MAX_QUEUE_SIZE);
_active = false;
_acceptTimeout = DEFAULT_ACCEPT_TIMEOUT;
}

37
apps/streaming/java/src/net/i2p/client/streaming/ConnectionManager.java
View File

@@ -21,24 +21,24 @@ import net.i2p.util.SimpleTimer;
*
*/
class ConnectionManager {
private I2PAppContext _context;
private Log _log;
private I2PSession _session;
private MessageHandler _messageHandler;
private PacketHandler _packetHandler;
private ConnectionHandler _connectionHandler;
private PacketQueue _outboundQueue;
private SchedulerChooser _schedulerChooser;
private ConnectionPacketHandler _conPacketHandler;
private TCBShare _tcbShare;
private final I2PAppContext _context;
private final Log _log;
private final I2PSession _session;
private final MessageHandler _messageHandler;
private final PacketHandler _packetHandler;
private final ConnectionHandler _connectionHandler;
private final PacketQueue _outboundQueue;
private final SchedulerChooser _schedulerChooser;
private final ConnectionPacketHandler _conPacketHandler;
private final TCBShare _tcbShare;
/** Inbound stream ID (Long) to Connection map */
private ConcurrentHashMap<Long, Connection> _connectionByInboundId;
private final ConcurrentHashMap<Long, Connection> _connectionByInboundId;
/** Ping ID (Long) to PingRequest */
private final Map<Long, PingRequest> _pendingPings;
private boolean _allowIncoming;
private boolean _throttlersInitialized;
private int _maxConcurrentStreams;
private ConnectionOptions _defaultOptions;
private final ConnectionOptions _defaultOptions;
private volatile int _numWaiting;
private long _soTimeout;
private ConnThrottler _minuteThrottler;
@@ -59,10 +59,12 @@ class ConnectionManager {
_schedulerChooser = new SchedulerChooser(_context);
_conPacketHandler = new ConnectionPacketHandler(_context);
_tcbShare = new TCBShare(_context);
_session.setSessionListener(_messageHandler);
// PROTO_ANY is for backward compatibility (pre-0.7.1)
// TODO change proto to PROTO_STREAMING someday.
// Right now we get everything, and rely on Datagram to specify PROTO_UDP.
// PacketQueue has sent PROTO_STREAMING since the beginning of mux support (0.7.1)
_session.addMuxedSessionListener(_messageHandler, I2PSession.PROTO_ANY, I2PSession.PORT_ANY);
_outboundQueue = new PacketQueue(_context, _session, this);
_allowIncoming = false;
_numWaiting = 0;
/** Socket timeout for accept() */
_soTimeout = -1;
@@ -141,7 +143,10 @@ class ConnectionManager {
* it, or null if the syn's streamId was already taken
*/
public Connection receiveConnection(Packet synPacket) {
Connection con = new Connection(_context, this, _schedulerChooser, _outboundQueue, _conPacketHandler, new ConnectionOptions(_defaultOptions));
ConnectionOptions opts = new ConnectionOptions(_defaultOptions);
opts.setPort(synPacket.getRemotePort());
opts.setLocalPort(synPacket.getLocalPort());
Connection con = new Connection(_context, this, _schedulerChooser, _outboundQueue, _conPacketHandler, opts);
_tcbShare.updateOptsFromShare(con);
con.setInbound();
long receiveId = _context.random().nextLong(Packet.MAX_STREAM_ID-1)+1;

40
apps/streaming/java/src/net/i2p/client/streaming/ConnectionOptions.java
View File

@@ -106,6 +106,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
* This is based on documentation, the code, and logging, however there are still
* some parts that could use more research.
*
*<pre>
* 1024 Tunnel Message
* - 21 Header (see router/tunnel/BatchedPreprocessor.java)
* -----
@@ -169,7 +170,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
* Similarly:
* 3 msgs: 2722
* 4 msgs: 3714
*
*</pre>
*
* Before release 0.6.1.14 this was 4096.
* From release 0.6.1.14 through release 0.6.4, this was 960.
@@ -205,18 +206,35 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
public static final int DEFAULT_MAX_MESSAGE_SIZE = 1730;
public static final int MIN_MESSAGE_SIZE = 512;
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from System properties. Does not set local port or remote port.
*/
public ConnectionOptions() {
super();
}
/**
* Sets max buffer size, connect timeout, read timeout, and write timeout
* from properties. Does not set local port or remote port.
* @param opts may be null
*/
public ConnectionOptions(Properties opts) {
super(opts);
}
/**
* Initializes from System properties then copies over all options.
* @param opts may be null
*/
public ConnectionOptions(I2PSocketOptions opts) {
super(opts);
}
/**
* Initializes from System properties then copies over all options.
* @param opts may be null
*/
public ConnectionOptions(ConnectionOptions opts) {
super(opts);
if (opts != null) {
@@ -235,8 +253,10 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
setInboundBufferSize(opts.getInboundBufferSize());
setCongestionAvoidanceGrowthRateFactor(opts.getCongestionAvoidanceGrowthRateFactor());
setSlowStartGrowthRateFactor(opts.getSlowStartGrowthRateFactor());
setWriteTimeout(opts.getWriteTimeout());
setReadTimeout(opts.getReadTimeout());
// handled in super()
// not clear why added by jr 12/22/2005
//setWriteTimeout(opts.getWriteTimeout());
//setReadTimeout(opts.getReadTimeout());
setAnswerPings(opts.getAnswerPings());
initLists(opts);
_maxConnsPerMinute = opts.getMaxConnsPerMinute();
@@ -248,7 +268,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
}
}
@Override
@Override
protected void init(Properties opts) {
super.init(opts);
_trend = new int[TREND_COUNT];
@@ -262,12 +282,14 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
setSendAckDelay(getInt(opts, PROP_INITIAL_ACK_DELAY, DEFAULT_INITIAL_ACK_DELAY));
setWindowSize(getInt(opts, PROP_INITIAL_WINDOW_SIZE, INITIAL_WINDOW_SIZE));
setMaxResends(getInt(opts, PROP_MAX_RESENDS, DEFAULT_MAX_SENDS));
setWriteTimeout(getInt(opts, PROP_WRITE_TIMEOUT, -1));
// handled in super()
//setWriteTimeout(getInt(opts, PROP_WRITE_TIMEOUT, -1));
setInactivityTimeout(getInt(opts, PROP_INACTIVITY_TIMEOUT, 90*1000));
setInactivityAction(getInt(opts, PROP_INACTIVITY_ACTION, INACTIVITY_ACTION_SEND));
setInboundBufferSize(getMaxMessageSize() * (Connection.MAX_WINDOW_SIZE + 2));
setCongestionAvoidanceGrowthRateFactor(getInt(opts, PROP_CONGESTION_AVOIDANCE_GROWTH_RATE_FACTOR, 1));
setSlowStartGrowthRateFactor(getInt(opts, PROP_SLOW_START_GROWTH_RATE_FACTOR, 1));
// overrides default in super()
setConnectTimeout(getInt(opts, PROP_CONNECT_TIMEOUT, Connection.DISCONNECT_TIMEOUT));
setAnswerPings(getBool(opts, PROP_ANSWER_PINGS, DEFAULT_ANSWER_PINGS));
initLists(opts);
@@ -279,7 +301,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
_maxTotalConnsPerDay = getInt(opts, PROP_MAX_TOTAL_CONNS_DAY, 0);
}
@Override
@Override
public void setProperties(Properties opts) {
super.setProperties(opts);
if (opts == null) return;
@@ -303,8 +325,9 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
setWindowSize(getInt(opts, PROP_INITIAL_WINDOW_SIZE, INITIAL_WINDOW_SIZE));
if (opts.containsKey(PROP_MAX_RESENDS))
setMaxResends(getInt(opts, PROP_MAX_RESENDS, DEFAULT_MAX_SENDS));
if (opts.containsKey(PROP_WRITE_TIMEOUT))
setWriteTimeout(getInt(opts, PROP_WRITE_TIMEOUT, -1));
// handled in super()
//if (opts.containsKey(PROP_WRITE_TIMEOUT))
// setWriteTimeout(getInt(opts, PROP_WRITE_TIMEOUT, -1));
if (opts.containsKey(PROP_INACTIVITY_TIMEOUT))
setInactivityTimeout(getInt(opts, PROP_INACTIVITY_TIMEOUT, 90*1000));
if (opts.containsKey(PROP_INACTIVITY_ACTION))
@@ -316,6 +339,7 @@ class ConnectionOptions extends I2PSocketOptionsImpl {
setSlowStartGrowthRateFactor(getInt(opts, PROP_SLOW_START_GROWTH_RATE_FACTOR, 2));
if (opts.containsKey(PROP_CONNECT_TIMEOUT))
// wow 5 minutes!!! FIXME!!
// overrides default in super()
setConnectTimeout(getInt(opts, PROP_CONNECT_TIMEOUT, Connection.DISCONNECT_TIMEOUT));
if (opts.containsKey(PROP_ANSWER_PINGS))
setAnswerPings(getBool(opts, PROP_ANSWER_PINGS, DEFAULT_ANSWER_PINGS));

4
apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java
View File

@@ -15,8 +15,8 @@ import net.i2p.util.SimpleTimer;
*
*/
class ConnectionPacketHandler {
private I2PAppContext _context;
private Log _log;
private final I2PAppContext _context;
private final Log _log;
public ConnectionPacketHandler(I2PAppContext context) {
_context = context;

2
apps/streaming/java/src/net/i2p/client/streaming/I2PServerSocketFull.java
View File

@@ -8,7 +8,7 @@ import net.i2p.I2PException;
*
*/
class I2PServerSocketFull implements I2PServerSocket {
private I2PSocketManagerFull _socketManager;
private final I2PSocketManagerFull _socketManager;
public I2PServerSocketFull(I2PSocketManagerFull mgr) {
_socketManager = mgr;

24
apps/streaming/java/src/net/i2p/client/streaming/I2PSocketFull.java
View File

@@ -4,6 +4,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import net.i2p.client.I2PSession;
import net.i2p.data.Destination;
/**
@@ -127,7 +128,28 @@ class I2PSocketFull implements I2PSocket {
if (c != null)
c.disconnectComplete();
}
@Override
/**
* The remote port.
* @return the port or 0 if unknown
* @since 0.8.9
*/
public int getPort() {
Connection c = _connection;
return c == null ? I2PSession.PORT_UNSPECIFIED : c.getPort();
}
/**
* The local port.
* @return the port or 0 if unknown
* @since 0.8.9
*/
public int getLocalPort() {
Connection c = _connection;
return c == null ? I2PSession.PORT_UNSPECIFIED : c.getLocalPort();
}
@Override
public String toString() {
Connection c = _connection;
if (c == null)

18
apps/streaming/java/src/net/i2p/client/streaming/MessageHandler.java
View File

@@ -7,7 +7,7 @@ import java.util.concurrent.CopyOnWriteArraySet;
import net.i2p.I2PAppContext;
import net.i2p.client.I2PSession;
import net.i2p.client.I2PSessionException;
import net.i2p.client.I2PSessionListener;
import net.i2p.client.I2PSessionMuxedListener;
import net.i2p.util.Log;
/**
@@ -15,7 +15,7 @@ import net.i2p.util.Log;
* Packets, if we can.
*
*/
class MessageHandler implements I2PSessionListener {
class MessageHandler implements I2PSessionMuxedListener {
private final ConnectionManager _manager;
private final I2PAppContext _context;
private final Log _log;
@@ -31,11 +31,23 @@ class MessageHandler implements I2PSessionListener {
/** Instruct the client that the given session has received a message with
* size # of bytes.
* This shouldn't be called anymore since we are registering as a muxed listener.
* @param session session to notify
* @param msgId message number available
* @param size size of the message
*/
public void messageAvailable(I2PSession session, int msgId, long size) {
messageAvailable(session, msgId, size, I2PSession.PROTO_UNSPECIFIED,
I2PSession.PORT_UNSPECIFIED, I2PSession.PORT_UNSPECIFIED);
}
/** Instruct the client that the given session has received a message with
* size # of bytes.
* @param session session to notify
* @param msgId message number available
* @param size size of the message
*/
public void messageAvailable(I2PSession session, int msgId, long size, int proto, int fromPort, int toPort) {
byte data[] = null;
try {
data = session.receiveMessage(msgId);
@@ -49,6 +61,8 @@ class MessageHandler implements I2PSessionListener {
Packet packet = new Packet();
try {
packet.readPacket(data, 0, data.length);
packet.setRemotePort(fromPort);
packet.setLocalPort(toPort);
_manager.getPacketHandler().receivePacket(packet);
} catch (IllegalArgumentException iae) {
_context.statManager().addRateData("stream.packetReceiveFailure", 1, 0);

4
apps/streaming/java/src/net/i2p/client/streaming/MessageOutputStream.java
View File

@@ -63,14 +63,10 @@ class MessageOutputStream extends OutputStream {
_buf = _dataCache.acquire().getData(); // new byte[bufSize];
_dataReceiver = receiver;
_dataLock = new Object();
_written = 0;
_closed = false;
_writeTimeout = -1;
_passiveFlushDelay = passiveFlushDelay;
_nextBufferSize = -1;
_sendPeriodBeginTime = ctx.clock().now();
_sendPeriodBytes = 0;
_sendBps = 0;
_context.statManager().createRateStat("stream.sendBps", "How fast we pump data through the stream", "Stream", new long[] { 60*1000, 5*60*1000, 60*60*1000 });
_flusher = new Flusher();
if (_log.shouldLog(Log.DEBUG))

47
apps/streaming/java/src/net/i2p/client/streaming/Packet.java
View File

@@ -13,6 +13,13 @@ import net.i2p.data.SigningPrivateKey;
import net.i2p.util.Log;
/**
* This contains solely the data that goes out on the wire,
* including the local and remote port which is embedded in
* the I2CP overhead, not in the packet itself.
* For local state saved for outbound packets, see PacketLocal.
*
* <p>
*
* Contain a single packet transferred as part of a streaming connection.
* The data format is as follows:<ul>
* <li>{@link #getSendStreamId sendStreamId} [4 byte value]</li>
@@ -67,6 +74,8 @@ class Packet {
private Destination _optionFrom;
private int _optionDelay;
private int _optionMaxSize;
private int _localPort;
private int _remotePort;
/**
* The receiveStreamId will be set to this when the packet doesn't know
@@ -148,6 +157,10 @@ class Packet {
public static final int DEFAULT_MAX_SIZE = 32*1024;
protected static final int MAX_DELAY_REQUEST = 65535;
/**
* Does no initialization.
* See readPacket() for inbound packets, and the setters for outbound packets.
*/
public Packet() { }
private boolean _sendStreamIdSet = false;
@@ -322,6 +335,40 @@ class Packet {
_optionMaxSize = numBytes;
}
/**
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getLocalPort() {
return _localPort;
}
/**
* Must be called to change the port, not set by readPacket()
* as the port is out-of-band in the I2CP header.
* @since 0.8.9
*/
public void setLocalPort(int port) {
_localPort = port;
}
/**
* @return Default I2PSession.PORT_UNSPECIFIED (0) or PORT_ANY (0)
* @since 0.8.9
*/
public int getRemotePort() {
return _remotePort;
}
/**
* Must be called to change the port, not set by readPacket()
* as the port is out-of-band in the I2CP header.
* @since 0.8.9
*/
public void setRemotePort(int port) {
_remotePort = port;
}
/**
* Write the packet to the buffer (starting at the offset) and return
* the number of bytes written.

6
apps/streaming/java/src/net/i2p/client/streaming/PacketHandler.java
View File

@@ -16,9 +16,9 @@ import net.i2p.util.Log;
*
*/
class PacketHandler {
private ConnectionManager _manager;
private I2PAppContext _context;
private Log _log;
private final ConnectionManager _manager;
private final I2PAppContext _context;
private final Log _log;
//private int _lastDelay;
//private int _dropped;

14
apps/streaming/java/src/net/i2p/client/streaming/PacketLocal.java
View File

@@ -13,13 +13,13 @@ import net.i2p.util.SimpleTimer2;
* retries, etc.
*/
class PacketLocal extends Packet implements MessageOutputStream.WriteStatus {
private I2PAppContext _context;
private Log _log;
private Connection _connection;
private final I2PAppContext _context;
private final Log _log;
private final Connection _connection;
private Destination _to;
private SessionKey _keyUsed;
private Set _tagsSent;
private long _createdOn;
private final long _createdOn;
private int _numSends;
private long _lastSend;
private long _acceptedOn;
@@ -29,9 +29,11 @@ class PacketLocal extends Packet implements MessageOutputStream.WriteStatus {
private volatile boolean _retransmitted;
private SimpleTimer2.TimedEvent _resendEvent;
/** not bound to a connection */
public PacketLocal(I2PAppContext ctx, Destination to) {
this(ctx, to, null);
}
public PacketLocal(I2PAppContext ctx, Destination to, Connection con) {
_context = ctx;
_createdOn = ctx.clock().now();
@@ -40,8 +42,6 @@ class PacketLocal extends Packet implements MessageOutputStream.WriteStatus {
_connection = con;
_lastSend = -1;
_cancelledOn = -1;
_nackCount = 0;
_retransmitted = false;
}
public Destination getTo() { return _to; }
@@ -138,6 +138,8 @@ class PacketLocal extends Packet implements MessageOutputStream.WriteStatus {
}
public int getNumSends() { return _numSends; }
public long getLastSend() { return _lastSend; }
/** @return null if not bound */
public Connection getConnection() { return _connection; }
public void incrementNACKs() {

14
apps/streaming/java/src/net/i2p/client/streaming/PacketQueue.java
View File

@@ -19,11 +19,11 @@ import net.i2p.util.Log;
*
*/
class PacketQueue {
private I2PAppContext _context;
private Log _log;
private I2PSession _session;
private ConnectionManager _connectionManager;
private ByteCache _cache = ByteCache.getInstance(64, 36*1024);
private final I2PAppContext _context;
private final Log _log;
private final I2PSession _session;
private final ConnectionManager _connectionManager;
private final ByteCache _cache = ByteCache.getInstance(64, 36*1024);
public PacketQueue(I2PAppContext context, I2PSession session, ConnectionManager mgr) {
_context = context;
@@ -98,7 +98,7 @@ class PacketQueue {
// I2PSession.PROTO_STREAMING, I2PSession.PORT_UNSPECIFIED, I2PSession.PORT_UNSPECIFIED);
// I2PSessionMuxedImpl no tags
sent = _session.sendMessage(packet.getTo(), buf, 0, size, null, null, expires,
I2PSession.PROTO_STREAMING, I2PSession.PORT_UNSPECIFIED, I2PSession.PORT_UNSPECIFIED);
I2PSession.PROTO_STREAMING, packet.getLocalPort(), packet.getRemotePort());
else
// I2PSessionImpl2
//sent = _session.sendMessage(packet.getTo(), buf, 0, size, keyUsed, tagsSent, 0);
@@ -107,7 +107,7 @@ class PacketQueue {
// I2PSession.PROTO_STREAMING, I2PSession.PORT_UNSPECIFIED, I2PSession.PORT_UNSPECIFIED);
// I2PSessionMuxedImpl no tags
sent = _session.sendMessage(packet.getTo(), buf, 0, size, null, null,
I2PSession.PROTO_STREAMING, I2PSession.PORT_UNSPECIFIED, I2PSession.PORT_UNSPECIFIED);
I2PSession.PROTO_STREAMING, packet.getLocalPort(), packet.getRemotePort());
end = _context.clock().now();
if ( (end-begin > 1000) && (_log.shouldLog(Log.WARN)) )

8
apps/streaming/java/src/net/i2p/client/streaming/StandardSocket.java
View File

@@ -107,11 +107,11 @@ class StandardSocket extends Socket {
}
/**
* @return -1 always
* @return the port or 0 if unknown
*/
@Override
public int getLocalPort() {
return -1;
return _socket.getLocalPort();
}
/**
@@ -139,11 +139,11 @@ class StandardSocket extends Socket {
}
/**
* @return 0 always
* @return the port or 0 if unknown
*/
@Override
public int getPort() {
return 0;
return _socket.getPort();
}
@Override

8
apps/streaming/java/src/net/i2p/client/streaming/TCBShare.java
View File

@@ -21,10 +21,10 @@ import net.i2p.util.SimpleTimer2;
*
*/
class TCBShare {
private I2PAppContext _context;
private Log _log;
private Map<Destination, Entry> _cache;
private CleanEvent _cleaner;
private final I2PAppContext _context;
private final Log _log;
private final Map<Destination, Entry> _cache;
private final CleanEvent _cleaner;
private static final long EXPIRE_TIME = 30*60*1000;
private static final long CLEAN_TIME = 10*60*1000;

9
core/java/src/net/i2p/client/I2PClient.java
View File

@@ -44,7 +44,9 @@ public interface I2PClient {
* using the specified options to both connect to the router, to instruct
* the router how to handle the new session, and to configure the end to end
* encryption.
* @param destKeyStream location from which to read the Destination, PrivateKey, and SigningPrivateKey from
*
* @param destKeyStream location from which to read the Destination, PrivateKey, and SigningPrivateKey from,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
* @return new session allowing a Destination to recieve all of its messages and send messages to any other Destination.
*/
@@ -52,8 +54,10 @@ public interface I2PClient {
/** Create a new destination with the default certificate creation properties and store
* it, along with the private encryption and signing keys at the specified location
*
* @param destKeyStream create a new destination and write out the object to the given stream,
* formatted as Destination, PrivateKey, and SigningPrivateKey
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @return new destination
*/
public Destination createDestination(OutputStream destKeyStream) throws I2PException, IOException;
@@ -61,7 +65,8 @@ public interface I2PClient {
/** Create a new destination with the given certificate and store it, along with the private
* encryption and signing keys at the specified location
*
* @param destKeyStream location to write out the destination, PrivateKey, and SigningPrivateKey
* @param destKeyStream location to write out the destination, PrivateKey, and SigningPrivateKey,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param cert certificate to tie to the destination
* @return newly created destination
*/

13
core/java/src/net/i2p/client/I2PClientImpl.java
View File

@@ -30,8 +30,12 @@ import net.i2p.data.SigningPublicKey;
* @author jrandom
*/
class I2PClientImpl implements I2PClient {
/**
* Create the destination with a null payload
*
* @param destKeyStream location to write out the destination, PrivateKey, and SigningPrivateKey,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
*/
public Destination createDestination(OutputStream destKeyStream) throws I2PException, IOException {
Certificate cert = new Certificate();
@@ -44,6 +48,8 @@ class I2PClientImpl implements I2PClient {
* Create the destination with the given payload and write it out along with
* the PrivateKey and SigningPrivateKey to the destKeyStream
*
* @param destKeyStream location to write out the destination, PrivateKey, and SigningPrivateKey,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
*/
public Destination createDestination(OutputStream destKeyStream, Certificate cert) throws I2PException, IOException {
Destination d = new Destination();
@@ -67,13 +73,20 @@ class I2PClientImpl implements I2PClient {
/**
* Create a new session (though do not connect it yet)
*
* @param destKeyStream location from which to read the Destination, PrivateKey, and SigningPrivateKey from,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
*/
public I2PSession createSession(InputStream destKeyStream, Properties options) throws I2PSessionException {
return createSession(I2PAppContext.getGlobalContext(), destKeyStream, options);
}
/**
* Create a new session (though do not connect it yet)
*
* @param destKeyStream location from which to read the Destination, PrivateKey, and SigningPrivateKey from,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
*/
public I2PSession createSession(I2PAppContext context, InputStream destKeyStream, Properties options) throws I2PSessionException {

29
core/java/src/net/i2p/client/I2PSession.java
View File

@@ -217,11 +217,34 @@ public interface I2PSession {
*/
public int[] bandwidthLimits() throws I2PSessionException;
/** See I2PSessionMuxedImpl for details */
/**
* Listen on specified protocol and port.
*
* An existing listener with the same proto and port is replaced.
* Only the listener with the best match is called back for each message.
*
* @param proto 1-254 or PROTO_ANY (0) for all; recommended:
* I2PSession.PROTO_STREAMING
* I2PSession.PROTO_DATAGRAM
* 255 disallowed
* @param port 1-65535 or PORT_ANY (0) for all
* @since 0.7.1
*/
public void addSessionListener(I2PSessionListener lsnr, int proto, int port);
/** See I2PSessionMuxedImpl for details */
/**
* Listen on specified protocol and port, and receive notification
* of proto, fromPort, and toPort for every message.
* @param proto 1-254 or PROTO_ANY (0) for all; 255 disallowed
* @param port 1-65535 or PORT_ANY (0) for all
* @since 0.7.1
*/
public void addMuxedSessionListener(I2PSessionMuxedListener l, int proto, int port);
/** See I2PSessionMuxedImpl for details */
/**
* removes the specified listener (only)
* @since 0.7.1
*/
public void removeListener(int proto, int port);
public static final int PORT_ANY = 0;

7
core/java/src/net/i2p/client/I2PSessionDemultiplexer.java
View File

@@ -16,13 +16,14 @@ import net.i2p.util.Log;
* depending on whether they want to hear about the
* protocol, from port, and to port for every received message.
*
* This only calls one listener, not all that apply.
* messageAvailable() only calls one listener, not all that apply.
* The others call all listeners.
*
* @author zzz
*/
public class I2PSessionDemultiplexer implements I2PSessionMuxedListener {
private Log _log;
private Map<Integer, I2PSessionMuxedListener> _listeners;
private final Log _log;
private final Map<Integer, I2PSessionMuxedListener> _listeners;
public I2PSessionDemultiplexer(I2PAppContext ctx) {
_log = ctx.logManager().getLog(I2PSessionDemultiplexer.class);

2
core/java/src/net/i2p/client/I2PSessionImpl.java
View File

@@ -159,6 +159,8 @@ abstract class I2PSessionImpl implements I2PSession, I2CPMessageReader.I2CPMessa
* Create a new session, reading the Destination, PrivateKey, and SigningPrivateKey
* from the destKeyStream, and using the specified options to connect to the router
*
* @param destKeyStream stream containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
* @throws I2PSessionException if there is a problem loading the private keys or
*/

2
core/java/src/net/i2p/client/I2PSessionImpl2.java
View File

@@ -49,6 +49,8 @@ class I2PSessionImpl2 extends I2PSessionImpl {
* Create a new session, reading the Destination, PrivateKey, and SigningPrivateKey
* from the destKeyStream, and using the specified options to connect to the router
*
* @param destKeyStream stream containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
* @throws I2PSessionException if there is a problem loading the private keys or
*/

13
core/java/src/net/i2p/client/I2PSessionMuxedImpl.java
View File

@@ -65,9 +65,12 @@ import net.i2p.util.SimpleScheduler;
* @author zzz
*/
class I2PSessionMuxedImpl extends I2PSessionImpl2 implements I2PSession {
private I2PSessionDemultiplexer _demultiplexer;
private final I2PSessionDemultiplexer _demultiplexer;
/*
* @param destKeyStream stream containing the private key data,
* format is specified in {@link net.i2p.data.PrivateKeyFile PrivateKeyFile}
* @param options set of options to configure the router with, if null will use System properties
*/
public I2PSessionMuxedImpl(I2PAppContext ctx, InputStream destKeyStream, Properties options) throws I2PSessionException {
@@ -92,11 +95,11 @@ class I2PSessionMuxedImpl extends I2PSessionImpl2 implements I2PSession {
* An existing listener with the same proto and port is replaced.
* Only the listener with the best match is called back for each message.
*
* @param proto 1-254 or PROTO_ANY for all; recommended:
* @param proto 1-254 or PROTO_ANY (0) for all; recommended:
* I2PSession.PROTO_STREAMING
* I2PSession.PROTO_DATAGRAM
* 255 disallowed
* @param port 1-65535 or PORT_ANY for all
* @param port 1-65535 or PORT_ANY (0) for all
*/
@Override
public void addSessionListener(I2PSessionListener lsnr, int proto, int port) {
@@ -106,8 +109,8 @@ class I2PSessionMuxedImpl extends I2PSessionImpl2 implements I2PSession {
/**
* Listen on specified protocol and port, and receive notification
* of proto, fromPort, and toPort for every message.
* @param proto 1-254 or 0 for all; 255 disallowed
* @param port 1-65535 or 0 for all
* @param proto 1-254 or PROTO_ANY (0) for all; 255 disallowed
* @param port 1-65535 or PORT_ANY (0) for all
*/
@Override
public void addMuxedSessionListener(I2PSessionMuxedListener l, int proto, int port) {

84
core/java/src/net/i2p/util/EventDispatcherImpl.java
View File

@@ -9,13 +9,13 @@ package net.i2p.util;
*
*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* An implementation of the EventDispatcher interface. Since Java
@@ -34,11 +34,9 @@ import java.util.Set;
*/
public class EventDispatcherImpl implements EventDispatcher {
//private final static Log _log = new Log(EventDispatcherImpl.class);
private boolean _ignore = false;
private final HashMap _events = new HashMap(4);
private final ArrayList _attached = new ArrayList();
private final Map<String, Object> _events = new ConcurrentHashMap(4);
private final List<EventDispatcher> _attached = new CopyOnWriteArrayList();
public EventDispatcher getEventDispatcher() {
return this;
@@ -46,23 +44,12 @@ public class EventDispatcherImpl implements EventDispatcher {
public void attachEventDispatcher(EventDispatcher ev) {
if (ev == null) return;
synchronized (_attached) {
//_log.debug(this.hashCode() + ": attaching EventDispatcher " + ev.hashCode());
_attached.add(ev);
}
_attached.add(ev);
}
public void detachEventDispatcher(EventDispatcher ev) {
if (ev == null) return;
synchronized (_attached) {
ListIterator it = _attached.listIterator();
while (it.hasNext()) {
if (((EventDispatcher) it.next()) == ev) {
it.remove();
break;
}
}
}
_attached.remove(ev);
}
public void notifyEvent(String eventName, Object args) {
@@ -70,50 +57,28 @@ public class EventDispatcherImpl implements EventDispatcher {
if (args == null) {
args = "[null value]";
}
//_log.debug(this.hashCode() + ": got notification [" + eventName + "] = [" + args + "]");
_events.put(eventName, args);
synchronized (_events) {
_events.put(eventName, args);
_events.notifyAll();
synchronized (_attached) {
Iterator it = _attached.iterator();
EventDispatcher e;
while (it.hasNext()) {
e = (EventDispatcher) it.next();
//_log.debug(this.hashCode() + ": notifying attached EventDispatcher " + e.hashCode() + ": ["
// + eventName + "] = [" + args + "]");
e.notifyEvent(eventName, args);
}
}
}
for (EventDispatcher e : _attached) {
e.notifyEvent(eventName, args);
}
}
public Object getEventValue(String name) {
if (_ignore) return null;
Object val;
synchronized (_events) {
val = _events.get(name);
}
return val;
return _events.get(name);
}
public Set getEvents() {
public Set<String> getEvents() {
if (_ignore) return Collections.EMPTY_SET;
Set set;
synchronized (_events) {
set = new HashSet(_events.keySet());
}
return set;
return new HashSet(_events.keySet());
}
public void ignoreEvents() {
_ignore = true;
synchronized (_events) {
_events.clear();
}
_events.clear();
}
public void unIgnoreEvents() {
@@ -122,22 +87,15 @@ public class EventDispatcherImpl implements EventDispatcher {
public Object waitEventValue(String name) {
if (_ignore) return null;
Object val;
//_log.debug(this.hashCode() + ": waiting for [" + name + "]");
do {
synchronized (_events) {
if (_events.containsKey(name)) {
val = _events.get(name);
break;
}
Object val = _events.get(name);
if (val != null)
return val;
try {
_events.wait(1 * 1000);
} catch (InterruptedException e) { // nop
}
_events.wait(5 * 1000);
} catch (InterruptedException e) {}
}
} while (true);
return val;
}
}