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Posted to dev@tomcat.apache.org by ma...@apache.org on 2021/06/08 10:44:08 UTC

[tomcat] 02/03: Process T-E header from both HTTP 1.0 and HTTP 1.1. clients

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git

commit 1692e4e5b1cf810187c5a323e4f4718264519527
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Mon May 10 21:59:44 2021 +0100

    Process T-E header from both HTTP 1.0 and HTTP 1.1. clients
---
 java/org/apache/coyote/http11/Http11Processor.java |  4 +++-
 .../apache/coyote/http11/TestHttp11Processor.java  | 28 ++++++++++++++++++++++
 webapps/docs/changelog.xml                         |  4 ++++
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/java/org/apache/coyote/http11/Http11Processor.java b/java/org/apache/coyote/http11/Http11Processor.java
index 3b8ed2f..2aad58a 100644
--- a/java/org/apache/coyote/http11/Http11Processor.java
+++ b/java/org/apache/coyote/http11/Http11Processor.java
@@ -750,7 +750,9 @@ public class Http11Processor extends AbstractProcessor {
         InputFilter[] inputFilters = inputBuffer.getFilters();
 
         // Parse transfer-encoding header
-        if (http11) {
+        // HTTP specs say an HTTP 1.1 server should accept any recognised
+        // HTTP 1.x header from a 1.x client unless the specs says otherwise.
+        if (!http09) {
             MessageBytes transferEncodingValueMB = headers.getValue("transfer-encoding");
             if (transferEncodingValueMB != null) {
                 List<String> encodingNames = new ArrayList<>();
diff --git a/test/org/apache/coyote/http11/TestHttp11Processor.java b/test/org/apache/coyote/http11/TestHttp11Processor.java
index 3287127..1c7d3cc 100644
--- a/test/org/apache/coyote/http11/TestHttp11Processor.java
+++ b/test/org/apache/coyote/http11/TestHttp11Processor.java
@@ -1904,4 +1904,32 @@ public class TestHttp11Processor extends TomcatBaseTest {
 
         Assert.assertTrue(client.isResponse501());
     }
+
+
+    @Test
+    public void testWithTEChunkedHttp10() throws Exception {
+
+        getTomcatInstanceTestWebapp(false, true);
+
+        String request =
+            "POST /test/echo-params.jsp HTTP/1.0" + SimpleHttpClient.CRLF +
+            "Host: any" + SimpleHttpClient.CRLF +
+            "Transfer-encoding: chunked" + SimpleHttpClient.CRLF +
+            "Content-Type: application/x-www-form-urlencoded" +
+                    SimpleHttpClient.CRLF +
+            "Connection: close" + SimpleHttpClient.CRLF +
+            SimpleHttpClient.CRLF +
+            "9" + SimpleHttpClient.CRLF +
+            "test=data" + SimpleHttpClient.CRLF +
+            "0" + SimpleHttpClient.CRLF +
+            SimpleHttpClient.CRLF;
+
+        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"));
+    }
 }
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 3b68e94..c852c95 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -219,6 +219,10 @@
         in 2001. Requests using this transfer encoding will now receive a 501
         response. (markt)
       </fix>
+      <fix>
+        Process transfer encoding headers from both HTTP 1.0 and HTTP 1.1
+        clients. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Jasper">

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