Author: markt
Date: Sat Jan 28 19:43:06 2012
New Revision: 1237147
URL: http://svn.apache.org/viewvc?rev=1237147&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=52543
Provide a meaningful error message when writing more response headers
than permitted
Modified:
tomcat/tc7.0.x/trunk/ (props changed)
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/AbstractOutputBuffer.java
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/LocalStrings.properties
tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Sat Jan 28 19:43:06 2012
@@ -1 +1 @@
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Modified:
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/AbstractOutputBuffer.java
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/AbstractOutputBuffer.java?rev=1237147&r1=1237146&r2=1237147&view=diff
==============================================================================
---
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/AbstractOutputBuffer.java
(original)
+++
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/AbstractOutputBuffer.java
Sat Jan 28 19:43:06 2012
@@ -449,6 +449,7 @@ public abstract class AbstractOutputBuff
// Writing the byte chunk to the output buffer
int length = bc.getLength();
+ checkLengthBeforeWrite(length);
System.arraycopy(bc.getBytes(), bc.getStart(), buf, pos, length);
pos = pos + length;
@@ -466,6 +467,7 @@ public abstract class AbstractOutputBuff
int start = cc.getStart();
int end = cc.getEnd();
+ checkLengthBeforeWrite(end-start);
char[] cbuf = cc.getBuffer();
for (int i = start; i < end; i++) {
char c = cbuf[i];
@@ -490,6 +492,7 @@ public abstract class AbstractOutputBuff
* @param b data to be written
*/
public void write(byte[] b) {
+ checkLengthBeforeWrite(b.length);
// Writing the byte chunk to the output buffer
System.arraycopy(b, 0, buf, pos, b.length);
@@ -512,6 +515,7 @@ public abstract class AbstractOutputBuff
// From the Tomcat 3.3 HTTP/1.0 connector
int len = s.length();
+ checkLengthBeforeWrite(len);
for (int i = 0; i < len; i++) {
char c = s.charAt (i);
// Note: This is clearly incorrect for many strings,
@@ -541,4 +545,16 @@ public abstract class AbstractOutputBuff
}
+ /**
+ * Checks to see if there is enough space in the buffer to write the
+ * requested number of bytes.
+ */
+ private void checkLengthBeforeWrite(int length)
+ throws IllegalStateException {
+ if (pos + length > buf.length) {
+ throw new IllegalStateException(
+ sm.getString("iob.responseheadertoolarge.error"));
+ }
+ }
+
}
Modified:
tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/LocalStrings.properties
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/LocalStrings.properties?rev=1237147&r1=1237146&r2=1237147&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/LocalStrings.properties
(original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/coyote/http11/LocalStrings.properties
Sat Jan 28 19:43:06 2012
@@ -42,3 +42,5 @@ iib.invalidheader=The HTTP header line [
iib.invalidmethod=Invalid character (CR or LF) found in method name
iib.parseheaders.ise.error=Unexpected state: headers already parsed. Buffer
not recycled?
iib.requestheadertoolarge.error=Request header is too large
+
+iob.responseheadertoolarge.error=An attempt was made to write more data to the
response headers than there was room available in the buffer. Increase
maxHttpHeaderSize on the connector or write less data into the response headers.
Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1237147&r1=1237146&r2=1237147&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Sat Jan 28 19:43:06 2012
@@ -74,6 +74,14 @@
</fix>
</changelog>
</subsection>
+ <subsection name="Coyote">
+ <changelog>
+ <add>
+ <bug>51543</bug>: Provide a meaningful error message when writing more
+ response headers than permitted. (markt)
+ </add>
+ </changelog>
+ </subsection>
<subsection name="Jasper">
<changelog>
<fix>
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