I2P_Developers/i2p.android.base
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* Datagram Dissector: Fix RuntimeException caused by reuse,

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preventing iMule from connecting on UDP
                          (thanks devzero)
This commit is contained in:
zzz
2010-12-31 13:16:46 +00:00
parent 1b74b49e0f
commit a64d0a54b1
1 changed files with 11 additions and 2 deletions
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13
core/java/src/net/i2p/client/datagram/I2PDatagramDissector.java
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@ -37,9 +37,9 @@ public final class I2PDatagramDissector {
private Hash rxHash = null;
private Signature rxSign = new Signature();
private Signature rxSign;
private Destination rxDest = new Destination();
private Destination rxDest;
private byte[] rxPayload = new byte[DGRAM_BUFSIZE];
@ -68,6 +68,9 @@ public final class I2PDatagramDissector {
this.valid = false;
try {
rxDest = new Destination();
rxSign = new Signature();
// read destination
rxDest.readBytes(dgStream);
@ -153,6 +156,8 @@ public final class I2PDatagramDissector {
* @return The Destination of the I2P repliable datagram sender
*/
public Destination extractSender() {
if (this.rxDest == null)
return null;
Destination retDest = new Destination();
try {
retDest.fromByteArray(this.rxDest.toByteArray());
@ -184,6 +189,10 @@ public final class I2PDatagramDissector {
if(this.valid)
return;
if (rxSign == null || rxSign.getData() == null ||
rxDest == null || rxDest.getSigningPublicKey() == null)
throw new I2PInvalidDatagramException("Datagram not yet read");
// now validate
if (!this.dsaEng.verifySignature(rxSign, rxHash.getData(), rxDest.getSigningPublicKey()))
throw new I2PInvalidDatagramException("Incorrect I2P repliable datagram signature");