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markt pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
commit c3bd168427cadc1b860791c1f2204fe03c2cb740
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Mon May 10 21:20:46 2021 +0100
Remove support for the identity T-E header value
---
java/org/apache/coyote/http11/Http11Processor.java | 8 +-
.../apache/coyote/http11/TestHttp11Processor.java | 95 ++++++++++++++++------
webapps/docs/changelog.xml | 6 ++
3 files changed, 78 insertions(+), 31 deletions(-)
diff --git a/java/org/apache/coyote/http11/Http11Processor.java
b/java/org/apache/coyote/http11/Http11Processor.java
index f43efe1..3b8ed2f 100644
--- a/java/org/apache/coyote/http11/Http11Processor.java
+++ b/java/org/apache/coyote/http11/Http11Processor.java
@@ -212,11 +212,8 @@ public class Http11Processor extends AbstractProcessor {
// Parsing trims and converts to lower case.
- if (encodingName.equals("identity")) {
- // Skip
- } else if (encodingName.equals("chunked")) {
- inputBuffer.addActiveFilter
- (inputFilters[Constants.CHUNKED_FILTER]);
+ if (encodingName.equals("chunked")) {
+
inputBuffer.addActiveFilter(inputFilters[Constants.CHUNKED_FILTER]);
contentDelimitation = true;
} else {
for (int i = pluggableFilterIndex; i < inputFilters.length; i++) {
@@ -759,7 +756,6 @@ public class Http11Processor extends AbstractProcessor {
List<String> encodingNames = new ArrayList<>();
if
(TokenList.parseTokenList(headers.values("transfer-encoding"), encodingNames)) {
for (String encodingName : encodingNames) {
- // "identity" codings are ignored
addInputFilter(inputFilters, encodingName);
}
} else {
diff --git a/test/org/apache/coyote/http11/TestHttp11Processor.java
b/test/org/apache/coyote/http11/TestHttp11Processor.java
index b6f7a6b..3287127 100644
--- a/test/org/apache/coyote/http11/TestHttp11Processor.java
+++ b/test/org/apache/coyote/http11/TestHttp11Processor.java
@@ -254,31 +254,6 @@ public class TestHttp11Processor extends TomcatBaseTest {
@Test
- public void testWithTEIdentity() throws Exception {
- getTomcatInstanceTestWebapp(false, true);
-
- String request =
- "POST /test/echo-params.jsp HTTP/1.1" + SimpleHttpClient.CRLF +
- "Host: any" + SimpleHttpClient.CRLF +
- "Transfer-encoding: identity" + SimpleHttpClient.CRLF +
- "Content-Length: 9" + SimpleHttpClient.CRLF +
- "Content-Type: application/x-www-form-urlencoded" +
- SimpleHttpClient.CRLF +
- "Connection: close" + SimpleHttpClient.CRLF +
- SimpleHttpClient.CRLF +
- "test=data";
-
- Client client = new Client(getPort());
- client.setRequest(new String[] {request});
-
- client.connect();
- client.processRequest();
- Assert.assertTrue(client.isResponse200());
- Assert.assertTrue(client.getResponseBody().contains("test - data"));
- }
-
-
- @Test
public void testWithTESavedRequest() throws Exception {
getTomcatInstanceTestWebapp(false, true);
@@ -1859,4 +1834,74 @@ public class TestHttp11Processor extends TomcatBaseTest {
// NO-OP
}
}
+
+
+ @Test
+ public void testTEHeaderUnknown01() throws Exception {
+ doTestTEHeaderUnknown("identity");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown02() throws Exception {
+ doTestTEHeaderUnknown("identity, chunked");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown03() throws Exception {
+ doTestTEHeaderUnknown("unknown, chunked");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown04() throws Exception {
+ doTestTEHeaderUnknown("void");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown05() throws Exception {
+ doTestTEHeaderUnknown("void, chunked");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown06() throws Exception {
+ doTestTEHeaderUnknown("void, identity");
+ }
+
+
+ @Test
+ public void testTEHeaderUnknown07() throws Exception {
+ doTestTEHeaderUnknown("identity, void");
+ }
+
+
+ private void doTestTEHeaderUnknown(String headerValue) throws Exception {
+ Tomcat tomcat = getTomcatInstance();
+
+ // No file system docBase required
+ Context ctx = tomcat.addContext("", null);
+
+ // Add servlet
+ Tomcat.addServlet(ctx, "TesterServlet", new TesterServlet(false));
+ ctx.addServletMappingDecoded("/foo", "TesterServlet");
+
+ tomcat.start();
+
+ String request =
+ "GET /foo HTTP/1.1" + SimpleHttpClient.CRLF +
+ "Host: localhost:" + getPort() + SimpleHttpClient.CRLF +
+ "Transfer-Encoding: " + headerValue + SimpleHttpClient.CRLF +
+ SimpleHttpClient.CRLF;
+
+ Client client = new Client(tomcat.getConnector().getLocalPort());
+ client.setRequest(new String[] {request});
+
+ client.connect();
+ client.processRequest(false);
+
+ Assert.assertTrue(client.isResponse501());
+ }
}
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 3cb74a3..3b68e94 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -213,6 +213,12 @@
the empty token is at the start, middle or end of the list of tokens.
(markt)
</fix>
+ <fix>
+ Remove support for the <code>identity</code> transfer encoding. The
+ inclusion of this encoding in RFC 2616 was an error that was corrected
+ in 2001. Requests using this transfer encoding will now receive a 501
+ response. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Jasper">
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