Author: markt
Date: Sat Apr 12 20:07:54 2014
New Revision: 1586890
URL: http://svn.apache.org/r1586890
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56334
Correct double backslash escaping in attributes
Added:
tomcat/trunk/test/webapp/bug5nnnn/bug56334.jspx
Modified:
tomcat/trunk/java/org/apache/jasper/compiler/ELParser.java
tomcat/trunk/test/org/apache/jasper/compiler/TestELParser.java
tomcat/trunk/test/org/apache/jasper/compiler/TestParser.java
tomcat/trunk/webapps/docs/changelog.xml
Modified: tomcat/trunk/java/org/apache/jasper/compiler/ELParser.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/jasper/compiler/ELParser.java?rev=1586890&r1=1586889&r2=1586890&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/jasper/compiler/ELParser.java (original)
+++ tomcat/trunk/java/org/apache/jasper/compiler/ELParser.java Sat Apr 12
20:07:54 2014
@@ -209,7 +209,7 @@ public class ELParser {
prev = 0;
if (ch == '\\') {
buf.append('\\');
- prev = '\\';
+ continue;
} else if (ch == '$'
|| (!isDeferredSyntaxAllowedAsLiteral && ch == '#')) {
buf.append(ch);
@@ -468,18 +468,18 @@ public class ELParser {
@Override
public void visit(Function n) throws JasperException {
- output.append(n.getOriginalText());
+ output.append(Generator.escape(n.getOriginalText()));
output.append('(');
}
@Override
public void visit(Text n) throws JasperException {
- output.append(n.getText());
+ output.append(Generator.escape(n.getText()));
}
@Override
public void visit(ELText n) throws JasperException {
- output.append(n.getText());
+ output.append(Generator.escape(n.getText()));
}
}
}
Modified: tomcat/trunk/test/org/apache/jasper/compiler/TestELParser.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/jasper/compiler/TestELParser.java?rev=1586890&r1=1586889&r2=1586890&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/jasper/compiler/TestELParser.java (original)
+++ tomcat/trunk/test/org/apache/jasper/compiler/TestELParser.java Sat Apr 12
20:07:54 2014
@@ -170,6 +170,18 @@ public class TestELParser {
}
+ @Test
+ public void testEscape01() throws JasperException {
+ doTestParser("${'\\\\'}");
+ }
+
+
+ @Test
+ public void testEscape02() throws JasperException {
+ doTestParser("\\\\x${'\\\\'}");
+ }
+
+
private void doTestParser(String input) throws JasperException {
Nodes nodes = ELParser.parse(input, false);
Modified: tomcat/trunk/test/org/apache/jasper/compiler/TestParser.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/jasper/compiler/TestParser.java?rev=1586890&r1=1586889&r2=1586890&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/jasper/compiler/TestParser.java (original)
+++ tomcat/trunk/test/org/apache/jasper/compiler/TestParser.java Sat Apr 12
20:07:54 2014
@@ -380,6 +380,40 @@ public class TestParser extends TomcatBa
result.contains("[4: [data-test]: [window.alert('Hello 'World
<&>'!')]]"));
}
+ @Test
+ public void testBug56334() throws Exception {
+ Tomcat tomcat = getTomcatInstance();
+
+ File appDir = new File("test/webapp");
+ // app dir is relative to server home
+ StandardContext ctxt = (StandardContext) tomcat.addWebapp(null,
+ "/test", appDir.getAbsolutePath());
+
+ // This test needs the JSTL libraries
+ File lib = new File("webapps/examples/WEB-INF/lib");
+ ctxt.setResources(new StandardRoot(ctxt));
+ ctxt.getResources().createWebResourceSet(
+ WebResourceRoot.ResourceSetType.POST, "/WEB-INF/lib",
+ lib.getAbsolutePath(), null, "/");
+
+ tomcat.start();
+
+ ByteChunk res = getUrl("http://localhost:"; + getPort() +
+ "/test/bug5nnnn/bug56334.jspx");
+
+ String result = res.toString();
+
+ System.out.println(result);
+
+ // NOTE: The expected values must themselves be \ escaped below
+ Assert.assertTrue(result, result.contains("\\?resize01"));
+ Assert.assertTrue(result, result.contains("<set
data-value=\"\\\\?resize02a\"/>"));
+ Assert.assertTrue(result, result.contains("<set
data-value=\"\\\\x\\\\?resize02b\"/>"));
+ Assert.assertTrue(result, result.contains("<set
data-value=\"\\?resize03a\"/>"));
+ Assert.assertTrue(result, result.contains("<set
data-value=\"\\x\\?resize03b\"/>"));
+ Assert.assertTrue(result, result.contains("<\\?resize04/>"));
+ }
+
/** Assertion for text printed by tags:echo */
private static void assertEcho(String result, String expected) {
assertTrue(result.indexOf("<p>" + expected + "</p>") > 0);
Added: tomcat/trunk/test/webapp/bug5nnnn/bug56334.jspx
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/webapp/bug5nnnn/bug56334.jspx?rev=1586890&view=auto
==============================================================================
--- tomcat/trunk/test/webapp/bug5nnnn/bug56334.jspx (added)
+++ tomcat/trunk/test/webapp/bug5nnnn/bug56334.jspx Sat Apr 12 20:07:54 2014
@@ -0,0 +1,26 @@
+<jsp:root version="2.3"
+ xmlns="http://www.w3.org/1999/xhtml";
+ xmlns:jsp="http://java.sun.com/JSP/Page";
+ xmlns:c="http://java.sun.com/jsp/jstl/core";>
+
+ <jsp:directive.page contentType="text/plain; charset=ISO-8859-1"/>
+
+ <!-- Test 1: Use \\ in EL in tag attribute -->
+ <c:set var="asd" value="${'\\?resize01'}" />
+ <c:out value="${asd}"/>
+
+ <!-- Test 2a: Use \\\\ in template text -->
+ <set data-value="${'\\\\?resize02a'}" />
+
+ <!-- Test 2b: Use \\\\ in template text -->
+ <set data-value="\\\\x${'\\\\?resize02b'}" />
+
+ <!-- Test 3a: Use \\ in template text -->
+ <set data-value="${'\\?resize03a'}" />
+
+ <!-- Test 3b: Use \\ in template text -->
+ <set data-value="\\x${'\\?resize03b'}" />
+
+ <!-- Test 4: Use \\ in jsp:element -->
+ <jsp:element name="${'\\?resize04'}"></jsp:element>
+</jsp:root>
\ No newline at end of file
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1586890&r1=1586889&r2=1586890&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Sat Apr 12 20:07:54 2014
@@ -115,6 +115,14 @@
</fix>
</changelog>
</subsection>
+ <subsection name="Jasper">
+ <changelog>
+ <fix>
+ <bug>56334</bug>: Fix a regression in the handling of back-slash
+ escaping introduced by the fix for <bug>55735</bug>. (markt)
+ </fix>
+ </changelog>
+ </subsection>
<subsection name="Cluster">
<changelog>
<scode>
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