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* I2CP: Fix external I2CP apps, including i2ping, caused by 0 nonce value,

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broken in 0.9.2 (tickets #799, #801). Allow nonces == 0.
   Javadocs and cleanups.
This commit is contained in:
zzz
2012-12-05 00:03:27 +00:00
parent 0c5811801f
commit ca00b34314
7 changed files with 56 additions and 24 deletions
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5
core/java/src/net/i2p/client/I2CPMessageProducer.java
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@@ -122,6 +122,7 @@ class I2CPMessageProducer {
/**
* Package up and send the payload to the router for delivery
*
* @param nonce 0 to 0xffffffff; if 0, the router will not reply with a MessageStatusMessage
* @param tag unused - no end-to-end crypto
* @param tags unused - no end-to-end crypto
* @param key unused - no end-to-end crypto
@@ -134,6 +135,8 @@ class I2CPMessageProducer {
/**
* Package up and send the payload to the router for delivery
*
* @param nonce 0 to 0xffffffff; if 0, the router will not reply with a MessageStatusMessage
* @since 0.8.4
*/
public void sendMessage(I2PSessionImpl session, Destination dest, long nonce, byte[] payload,
@@ -160,6 +163,8 @@ class I2CPMessageProducer {
/**
* Package up and send the payload to the router for delivery
*
* @param nonce 0 to 0xffffffff; if 0, the router will not reply with a MessageStatusMessage
* @since 0.9.2
*/
public void sendMessage(I2PSessionImpl session, Destination dest, long nonce, byte[] payload,

2
core/java/src/net/i2p/client/I2PSessionImpl2.java
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@@ -309,7 +309,7 @@ class I2PSessionImpl2 extends I2PSessionImpl {
//if (_log.shouldLog(Log.DEBUG)) _log.debug("before creating nonce");
long nonce = _context.random().nextInt(Integer.MAX_VALUE);
long nonce = _context.random().nextInt(Integer.MAX_VALUE - 1) + 1;
//if (_log.shouldLog(Log.DEBUG)) _log.debug("before sync state");
MessageState state = new MessageState(_context, nonce, getPrefix());
//state.setKey(key);

32
core/java/src/net/i2p/data/i2cp/SendMessageExpiresMessage.java
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@@ -105,17 +105,23 @@ public class SendMessageExpiresMessage extends SendMessageMessage {
*/
@Override
public void writeMessage(OutputStream out) throws I2CPMessageException, IOException {
if ((getSessionId() == null) || (getDestination() == null) || (getPayload() == null) || (getNonce() <= 0))
throw new I2CPMessageException("Unable to write out the message as there is not enough data");
int len = 2 + getDestination().size() + getPayload().getSize() + 4 + 4 + DataHelper.DATE_LENGTH;
if (_sessionId == null)
throw new I2CPMessageException("No session ID");
if (_destination == null)
throw new I2CPMessageException("No dest");
if (_payload == null)
throw new I2CPMessageException("No payload");
if (_nonce < 0)
throw new I2CPMessageException("No nonce");
int len = 2 + _destination.size() + _payload.getSize() + 4 + 4 + DataHelper.DATE_LENGTH;
try {
DataHelper.writeLong(out, 4, len);
DataHelper.writeLong(out, 1, getType());
getSessionId().writeBytes(out);
getDestination().writeBytes(out);
getPayload().writeBytes(out);
DataHelper.writeLong(out, 4, getNonce());
DataHelper.writeLong(out, 1, MESSAGE_TYPE);
_sessionId.writeBytes(out);
_destination.writeBytes(out);
_payload.writeBytes(out);
DataHelper.writeLong(out, 4, _nonce);
_daf.writeBytes(out);
} catch (DataFormatException dfe) {
throw new I2CPMessageException("Error writing the msg", dfe);
@@ -142,12 +148,12 @@ public class SendMessageExpiresMessage extends SendMessageMessage {
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append("[SendMessageMessage: ");
buf.append("\n\tSessionId: ").append(getSessionId());
buf.append("\n\tNonce: ").append(getNonce());
buf.append("\n\tDestination: ").append(getDestination());
buf.append("[SendMessageExpiresMessage: ");
buf.append("\n\tSessionId: ").append(_sessionId);
buf.append("\n\tNonce: ").append(_nonce);
buf.append("\n\tDestination: ").append(_destination);
buf.append("\n\tExpiration: ").append(getExpiration());
buf.append("\n\tPayload: ").append(getPayload());
buf.append("\n\tPayload: ").append(_payload);
buf.append("]");
return buf.toString();
}

24
core/java/src/net/i2p/data/i2cp/SendMessageMessage.java
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@@ -26,10 +26,10 @@ import net.i2p.data.Payload;
*/
public class SendMessageMessage extends I2CPMessageImpl {
public final static int MESSAGE_TYPE = 5;
private SessionId _sessionId;
private Destination _destination;
private Payload _payload;
private long _nonce;
protected SessionId _sessionId;
protected Destination _destination;
protected Payload _payload;
protected long _nonce;
public SendMessageMessage() {
}
@@ -58,10 +58,16 @@ public class SendMessageMessage extends I2CPMessageImpl {
_payload = payload;
}
/**
* @return 0 to 0xffffffff
*/
public long getNonce() {
return _nonce;
}
/**
* @param 0 to 0xffffffff
*/
public void setNonce(long nonce) {
_nonce = nonce;
}
@@ -109,8 +115,14 @@ public class SendMessageMessage extends I2CPMessageImpl {
*/
@Override
public void writeMessage(OutputStream out) throws I2CPMessageException, IOException {
if ((_sessionId == null) || (_destination == null) || (_payload == null) || (_nonce <= 0))
throw new I2CPMessageException("Unable to write out the message as there is not enough data");
if (_sessionId == null)
throw new I2CPMessageException("No session ID");
if (_destination == null)
throw new I2CPMessageException("No dest");
if (_payload == null)
throw new I2CPMessageException("No payload");
if (_nonce < 0)
throw new I2CPMessageException("No nonce");
int len = 2 + _destination.size() + _payload.getSize() + 4 + 4;
try {

12
history.txt
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@@ -1,6 +1,14 @@
2012-12-05 zzz
* GarlicMessage: Fix notes and log in GarlicMessageHandler and HandleGarlicMessageJob,
they are used for netdb messages received by floodfills http://zzz.i2p/topics/1282
* I2CP: Fix external I2CP apps, including i2ping, caused by 0 nonce value,
broken in 0.9.2 (tickets #799, #801). Allow nonces == 0.
* Reseed: Don't go on to the next host if we have enough http://zzz.i2p/topics/1287
* SSU: Fix rare NPE (ticket #798)
2012-11-28 kytv
* Chinese, French, Italian, Polish, and Ukrainian translation updates from
Transifex.
* Chinese, French, Italian, Polish, and Ukrainian translation updates from
Transifex.
2012-11-24 zzz
* Addressbook: Disable unused wakeup via http

2
router/java/src/net/i2p/router/RouterVersion.java
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@@ -18,7 +18,7 @@ public class RouterVersion {
/** deprecated */
public final static String ID = "Monotone";
public final static String VERSION = CoreVersion.VERSION;
public final static long BUILD = 12;
public final static long BUILD = 13;
/** for example "-test" */
public final static String EXTRA = "";

3
router/java/src/net/i2p/router/client/ClientConnectionRunner.java
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@@ -379,9 +379,10 @@ class ClientConnectionRunner {
* Send a notification to the client that their message (id specified) was accepted
* for delivery (but not necessarily delivered)
* Doesn't do anything if i2cp.messageReliability = "none"
* or if the nonce is 0.
*/
void ackSendMessage(MessageId id, long nonce) {
if (_dontSendMSM)
if (_dontSendMSM || nonce == 0)
return;
SessionId sid = _sessionId;
if (sid == null) return;