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NTCP: Deadlock fix 3rd try (ticket #1394)

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zzz
2014-10-17 14:15:40 +00:00
parent abcdcf2e8c
commit 4d4308c486
3 changed files with 10 additions and 9 deletions
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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 = "";

14
router/java/src/net/i2p/router/transport/ntcp/EstablishState.java
View File

@ -657,7 +657,7 @@ class EstablishState {
System.arraycopy(_prevEncrypted, _prevEncrypted.length-AES_SIZE, nextWriteIV, 0, AES_SIZE);
// this does not copy the nextWriteIV, do not release to cache
_con.finishOutboundEstablishment(_dh.getSessionKey(), (_tsA-_tsB), nextWriteIV, _e_bobSig); // skew in seconds
releaseBufs();
releaseBufs(true);
// if socket gets closed this will be null - prevent NPE
InetAddress ia = _con.getChannel().socket().getInetAddress();
if (ia != null)
@ -857,7 +857,7 @@ class EstablishState {
System.arraycopy(_e_bobSig, _e_bobSig.length-AES_SIZE, iv, 0, AES_SIZE);
// this does not copy the IV, do not release to cache
_con.finishInboundEstablishment(_dh.getSessionKey(), (tsA-_tsB), iv, _prevEncrypted); // skew in seconds
releaseBufs();
releaseBufs(true);
if (_log.shouldLog(Log.INFO))
_log.info(prefix()+"Verified remote peer as " + _aliceIdent.calculateHash());
changeState(State.VERIFIED);
@ -961,23 +961,21 @@ class EstablishState {
_e = e;
if (_log.shouldLog(Log.WARN))
_log.warn(prefix()+"Failed to establish: " + _err, e);
releaseBufs();
releaseBufs(false);
}
/**
* Only call once. Caller must synch.
* @since 0.9.16
*/
private void releaseBufs() {
private void releaseBufs(boolean isVerified) {
// null or longer for OB
if (_prevEncrypted != null && _prevEncrypted.length == AES_SIZE)
SimpleByteCache.release(_prevEncrypted);
// Do not release _curEncrypted if verified, it is passed to
// NTCPConnection to use as the IV
synchronized(_stateLock) {
if (_state != State.VERIFIED)
SimpleByteCache.release(_curEncrypted);
}
if (!isVerified)
SimpleByteCache.release(_curEncrypted);
SimpleByteCache.release(_curDecrypted);
SimpleByteCache.release(_hX_xor_bobIdentHash);
if (_dh.getPeerPublicValue() == null)