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markt pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/master by this push:
new dd757c0 Simplify the code and fix an edge case for BZ 64830
dd757c0 is described below
commit dd757c0a893e2e35f8bc1385d6967221ae8b9b9b
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Jan 14 16:59:43 2021 +0000
Simplify the code and fix an edge case for BZ 64830
https://bz.apache.org/bugzilla/show_bug.cgi?id=64830
---
java/org/apache/coyote/AbstractProtocol.java | 6 +++---
webapps/docs/changelog.xml | 4 ++++
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/java/org/apache/coyote/AbstractProtocol.java
b/java/org/apache/coyote/AbstractProtocol.java
index bbe393c..09b60dd 100644
--- a/java/org/apache/coyote/AbstractProtocol.java
+++ b/java/org/apache/coyote/AbstractProtocol.java
@@ -866,8 +866,10 @@ public abstract class AbstractProtocol<S> implements
ProtocolHandler,
if (state == SocketState.UPGRADING) {
// Get the HTTP upgrade handler
UpgradeToken upgradeToken =
processor.getUpgradeToken();
- // Retrieve leftover input
+ // Restore leftover input to the wrapper so the upgrade
+ // processor can process it.
ByteBuffer leftOverInput =
processor.getLeftoverInput();
+ wrapper.unRead(leftOverInput);
if (upgradeToken == null) {
// Assume direct HTTP/2 connection
UpgradeProtocol upgradeProtocol =
getProtocol().getUpgradeProtocol("h2c");
@@ -876,7 +878,6 @@ public abstract class AbstractProtocol<S> implements
ProtocolHandler,
release(processor);
// Create the upgrade processor
processor =
upgradeProtocol.getProcessor(wrapper, getProtocol().getAdapter());
- wrapper.unRead(leftOverInput);
// Associate with the processor with the
connection
wrapper.setCurrentProcessor(processor);
} else {
@@ -898,7 +899,6 @@ public abstract class AbstractProtocol<S> implements
ProtocolHandler,
getLog().debug(sm.getString("abstractConnectionHandler.upgradeCreate",
processor, wrapper));
}
- wrapper.unRead(leftOverInput);
// Associate with the processor with the connection
wrapper.setCurrentProcessor(processor);
// Initialise the upgrade handler (which may
trigger
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 6a08be2..6d871c4 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -156,6 +156,10 @@
<subsection name="Coyote">
<changelog>
<fix>
+ Additional fix for <bug>64830</bug> to address an edge case that could
+ trigger request corruption with h2c connections. (markt)
+ </fix>
+ <fix>
<bug>64974</bug>: Improve handling of pipelined HTTP requests in
combination with the Servlet non-blocking IO API. It was possible that
some requests could get dropped. (markt)
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