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remm pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/main by this push:
new 8a4c7484fa Avoid possible lost update
8a4c7484fa is described below
commit 8a4c7484fa37008bc0bbf188010e000dfb7600a6
Author: remm <r...@apache.org>
AuthorDate: Fri Sep 6 10:29:40 2024 +0200
Avoid possible lost update
Found by Coverity.
---
java/org/apache/tomcat/util/net/SecureNio2Channel.java | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/java/org/apache/tomcat/util/net/SecureNio2Channel.java
b/java/org/apache/tomcat/util/net/SecureNio2Channel.java
index 7d5df2e007..d8f2afec7e 100644
--- a/java/org/apache/tomcat/util/net/SecureNio2Channel.java
+++ b/java/org/apache/tomcat/util/net/SecureNio2Channel.java
@@ -30,6 +30,7 @@ import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicInteger;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLEngineResult;
@@ -69,7 +70,7 @@ public class SecureNio2Channel extends Nio2Channel {
protected volatile boolean sniComplete = false;
private volatile boolean handshakeComplete = false;
- private volatile int handshakeWrapQueueLength = 0;
+ private final AtomicInteger handshakeWrapQueueLength = new AtomicInteger();
private volatile HandshakeStatus handshakeStatus; //gets set by handshake
protected boolean closed;
@@ -142,6 +143,7 @@ public class SecureNio2Channel extends Nio2Channel {
sslEngine = null;
sniComplete = false;
handshakeComplete = false;
+ handshakeWrapQueueLength.set(0);
unwrapBeforeRead = true;
closed = false;
closing = false;
@@ -771,7 +773,7 @@ public class SecureNio2Channel extends Nio2Channel {
if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_TASK) {
tasks();
} else if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_WRAP) {
- if (++handshakeWrapQueueLength >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
+ if (handshakeWrapQueueLength.incrementAndGet() >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
throw new ExecutionException(
new
IOException(sm.getString("channel.nio.ssl.handshakeWrapQueueTooLong")));
}
@@ -906,7 +908,7 @@ public class SecureNio2Channel extends Nio2Channel {
netOutBuffer.clear();
SSLEngineResult result = sslEngine.wrap(src, netOutBuffer);
// Call to wrap() will have included any required
handshake data
- handshakeWrapQueueLength = 0;
+ handshakeWrapQueueLength.set(0);
written = result.bytesConsumed();
netOutBuffer.flip();
if (result.getStatus() == Status.OK) {
@@ -973,7 +975,7 @@ public class SecureNio2Channel extends Nio2Channel {
if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_TASK) {
tasks();
} else if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_WRAP) {
- if (++handshakeWrapQueueLength >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
+ if
(handshakeWrapQueueLength.incrementAndGet() >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
throw new ExecutionException(new
IOException(
sm.getString("channel.nio.ssl.handshakeWrapQueueTooLong")));
}
@@ -1091,7 +1093,7 @@ public class SecureNio2Channel extends Nio2Channel {
if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_TASK) {
tasks();
} else if (unwrap.getHandshakeStatus() ==
HandshakeStatus.NEED_WRAP) {
- if (++handshakeWrapQueueLength >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
+ if
(handshakeWrapQueueLength.incrementAndGet() >
HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT) {
throw new ExecutionException(new
IOException(
sm.getString("channel.nio.ssl.handshakeWrapQueueTooLong")));
}
@@ -1205,7 +1207,7 @@ public class SecureNio2Channel extends Nio2Channel {
// Wrap the source data into the internal buffer
SSLEngineResult result = sslEngine.wrap(src, netOutBuffer);
// Call to wrap() will have included any required handshake data
- handshakeWrapQueueLength = 0;
+ handshakeWrapQueueLength.set(0);
final int written = result.bytesConsumed();
netOutBuffer.flip();
if (result.getStatus() == Status.OK) {
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