Author: markt
Date: Mon Jun 1 20:03:13 2015
New Revision: 1682984
URL: http://svn.apache.org/r1682984
Log:
Fix an overflow issue in 4 byte to unsigned integer conversion (needed to be a
long).
Fix a related TODO in ConnectionSettings
Added:
tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java (with props)
Modified:
tomcat/trunk/java/org/apache/coyote/http2/ByteUtil.java
tomcat/trunk/java/org/apache/coyote/http2/ConnectionSettings.java
tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
tomcat/trunk/java/org/apache/coyote/http2/LocalStrings.properties
Modified: tomcat/trunk/java/org/apache/coyote/http2/ByteUtil.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/ByteUtil.java?rev=1682984&r1=1682983&r2=1682984&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http2/ByteUtil.java (original)
+++ tomcat/trunk/java/org/apache/coyote/http2/ByteUtil.java Mon Jun 1 20:03:13
2015
@@ -68,8 +68,8 @@ public class ByteUtil {
}
- public static int getFourBytes(byte[] input, int firstByte) {
- return ((input[firstByte] & 0xFF) << 24) + ((input[firstByte + 1] &
0xFF) << 16) +
+ public static long getFourBytes(byte[] input, int firstByte) {
+ return ((long)(input[firstByte] & 0xFF) << 24) + ((input[firstByte +
1] & 0xFF) << 16) +
((input[firstByte + 2] & 0xFF) << 8) + (input[firstByte + 3] &
0xFF);
}
}
Modified: tomcat/trunk/java/org/apache/coyote/http2/ConnectionSettings.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/ConnectionSettings.java?rev=1682984&r1=1682983&r2=1682984&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http2/ConnectionSettings.java (original)
+++ tomcat/trunk/java/org/apache/coyote/http2/ConnectionSettings.java Mon Jun
1 20:03:13 2015
@@ -28,20 +28,19 @@ public class ConnectionSettings {
private final StringManager sm =
StringManager.getManager(ConnectionSettings.class);
public static final int DEFAULT_WINDOW_SIZE = (1 << 16) - 1;
- // TODO: The maximum allowed in a settings frame as 2^32 (unsigned)
- private static final int UNLIMITED = (1 << 31) -1; // Use the maximum
possible
+ private static final long UNLIMITED = ((long)1 << 32); // Use the maximum
possible
private static final int MAX_WINDOW_SIZE = (1 << 31) - 1;
private static final int MIN_MAX_FRAME_SIZE = 1 << 14;
private static final int MAX_MAX_FRAME_SIZE = (1 << 24) - 1;
private volatile int headerTableSize = 4096;
- private volatile int enablePush = 1;
- private volatile int maxConcurrentStreams = UNLIMITED;
+ private volatile boolean enablePush = true;
+ private volatile long maxConcurrentStreams = UNLIMITED;
private volatile int initialWindowSize = DEFAULT_WINDOW_SIZE;
private volatile int maxFrameSize = MIN_MAX_FRAME_SIZE;
- private volatile int maxHeaderListSize = UNLIMITED;
+ private volatile long maxHeaderListSize = UNLIMITED;
- public void set(int parameterId, int value) throws IOException {
+ public void set(int parameterId, long value) throws IOException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("connectionSettings.debug",
Integer.toString(parameterId), Long.toString(value)));
@@ -77,29 +76,34 @@ public class ConnectionSettings {
public int getHeaderTableSize() {
return headerTableSize;
}
- public void setHeaderTableSize(int headerTableSize) {
- this.headerTableSize = headerTableSize;
+ public void setHeaderTableSize(long headerTableSize) throws IOException {
+ // Need to put a sensible limit on this. Start with 16k (default is 4k)
+ if (headerTableSize > (16 * 1024)) {
+ throw new
Http2Exception(sm.getString("connectionSettings.headerTableSizeLimit",
+ Long.toString(headerTableSize)), 0,
Http2Exception.PROTOCOL_ERROR);
+ }
+ this.headerTableSize = (int) headerTableSize;
}
- public int getEnablePush() {
+ public boolean getEnablePush() {
return enablePush;
}
- public void setEnablePush(int enablePush) throws IOException {
+ public void setEnablePush(long enablePush) throws IOException {
// Can't be less than zero since the result of the byte->long
conversion
// will never be negative
if (enablePush > 1) {
throw new
Http2Exception(sm.getString("connectionSettings.enablePushInvalid",
Long.toString(enablePush)), 0,
Http2Exception.PROTOCOL_ERROR);
}
- this.enablePush = enablePush;
+ this.enablePush = (enablePush == 1);
}
- public int getMaxConcurrentStreams() {
+ public long getMaxConcurrentStreams() {
return maxConcurrentStreams;
}
- public void setMaxConcurrentStreams(int maxConcurrentStreams) {
+ public void setMaxConcurrentStreams(long maxConcurrentStreams) {
this.maxConcurrentStreams = maxConcurrentStreams;
}
@@ -107,33 +111,33 @@ public class ConnectionSettings {
public int getInitialWindowSize() {
return initialWindowSize;
}
- public void setInitialWindowSize(int initialWindowSize) throws IOException
{
+ public void setInitialWindowSize(long initialWindowSize) throws
IOException {
if (initialWindowSize > MAX_WINDOW_SIZE) {
throw new
Http2Exception(sm.getString("connectionSettings.windowSizeTooBig",
Long.toString(initialWindowSize),
Long.toString(MAX_WINDOW_SIZE)),
0, Http2Exception.PROTOCOL_ERROR);
}
- this.initialWindowSize = initialWindowSize;
+ this.initialWindowSize = (int) initialWindowSize;
}
public int getMaxFrameSize() {
return maxFrameSize;
}
- public void setMaxFrameSize(int maxFrameSize) throws IOException {
+ public void setMaxFrameSize(long maxFrameSize) throws IOException {
if (maxFrameSize < MIN_MAX_FRAME_SIZE || maxFrameSize >
MAX_MAX_FRAME_SIZE) {
throw new
Http2Exception(sm.getString("connectionSettings.maxFrameSizeInvalid",
- Long.toString(maxFrameSize),
Long.toString(MIN_MAX_FRAME_SIZE),
- Long.toString(MAX_MAX_FRAME_SIZE)), 0,
Http2Exception.PROTOCOL_ERROR);
+ Long.toString(maxFrameSize),
Integer.toString(MIN_MAX_FRAME_SIZE),
+ Integer.toString(MAX_MAX_FRAME_SIZE)), 0,
Http2Exception.PROTOCOL_ERROR);
}
- this.maxFrameSize = maxFrameSize;
+ this.maxFrameSize = (int) maxFrameSize;
}
- public int getMaxHeaderListSize() {
+ public long getMaxHeaderListSize() {
return maxHeaderListSize;
}
- public void setMaxHeaderListSize(int maxHeaderListSize) {
+ public void setMaxHeaderListSize(long maxHeaderListSize) {
this.maxHeaderListSize = maxHeaderListSize;
}
}
Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java?rev=1682984&r1=1682983&r2=1682984&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
(original)
+++ tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java Mon Jun
1 20:03:13 2015
@@ -184,7 +184,7 @@ public class Http2UpgradeHandler extends
for (int i = 0; i < settings.length % 6; i++) {
int id = ByteUtil.getTwoBytes(settings, i * 6);
- int value = ByteUtil.getFourBytes(settings, (i * 6) + 2);
+ long value = ByteUtil.getFourBytes(settings, (i * 6) + 2);
remoteSettings.set(id, value);
}
@@ -568,7 +568,7 @@ public class Http2UpgradeHandler extends
for (int i = 0; i < payloadSize / 6; i++) {
readFully(setting);
int id = ByteUtil.getTwoBytes(setting, 0);
- int value = ByteUtil.getFourBytes(setting, 2);
+ long value = ByteUtil.getFourBytes(setting, 2);
remoteSettings.set(id, value);
}
}
Modified: tomcat/trunk/java/org/apache/coyote/http2/LocalStrings.properties
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/LocalStrings.properties?rev=1682984&r1=1682983&r2=1682984&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http2/LocalStrings.properties (original)
+++ tomcat/trunk/java/org/apache/coyote/http2/LocalStrings.properties Mon Jun
1 20:03:13 2015
@@ -21,6 +21,7 @@ connectionPrefaceParser.mismatch=An unex
connectionSettings.debug=Parameter type [{0}] set to [{1}]
connectionSettings.enablePushInvalid=The requested value for enable push [{0}]
is not one of the permitted values (zero or one)
+connectionSettings.headerTableSizeLimit=Attempted to set a header table size
of [{0}] but the limit is 16k
connectionSettings.maxFrameSizeInvalid=The requested maximum frame size of
[{0}] is ouside the permitted range of [{1}] to [{2}]
connectionSettings.unknown=An unknown setting with identifier [{0}] and value
[{1}] was ignored
connectionSettings.windowSizeTooBig=The requested window size of [{0}] is
bigger than the maximum permitted value of [{1}]
Added: tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java?rev=1682984&view=auto
==============================================================================
--- tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java (added)
+++ tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java Mon Jun 1
20:03:13 2015
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.coyote.http2;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestByteUtil {
+
+ @Test
+ public void testGet31Bits() {
+ byte[] input = new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0xff };
+ int result = ByteUtil.get31Bits(input, 0);
+ Assert.assertEquals(0x7fffffff, result);
+ }
+
+
+ @Test
+ public void testGetFourBytes() {
+ byte[] input = new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0xff };
+ long result = ByteUtil.getFourBytes(input, 0);
+ Assert.assertEquals(0xffffffffL, result);
+ }
+
+}
Propchange: tomcat/trunk/test/org/apache/coyote/http2/TestByteUtil.java
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