Author: jboynes
Date: Mon Dec 23 19:15:35 2013
New Revision: 1553187
URL: http://svn.apache.org/r1553187
Log:
fix #55917 by allowing 8-bit ISO-8859-1 characters in V0 cookie values
Modified:
tomcat/trunk/java/org/apache/tomcat/util/http/Cookies.java
tomcat/trunk/test/org/apache/tomcat/util/http/TestCookies.java
tomcat/trunk/webapps/docs/changelog.xml
Modified: tomcat/trunk/java/org/apache/tomcat/util/http/Cookies.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/http/Cookies.java?rev=1553187&r1=1553186&r2=1553187&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/http/Cookies.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/http/Cookies.java Mon Dec 23
19:15:35 2013
@@ -508,14 +508,7 @@ public final class Cookies {
private static final int getTokenEndPosition(byte bytes[], int off, int
end,
int version, boolean isName){
int pos = off;
- while (pos < end &&
- (!CookieSupport.isHttpSeparator((char)bytes[pos]) ||
- version == 0 &&
- CookieSupport.ALLOW_HTTP_SEPARATORS_IN_V0 &&
- bytes[pos] != '=' &&
- !CookieSupport.isV0Separator((char)bytes[pos]) ||
- !isName && bytes[pos] == '=' &&
- CookieSupport.ALLOW_EQUALS_IN_VALUE)) {
+ while (pos < end && allowInToken(bytes[pos], version, isName)) {
pos++;
}
@@ -525,6 +518,34 @@ public final class Cookies {
return pos;
}
+ private static boolean allowInToken(byte b, int version, boolean isName) {
+ // byte is signed so cast into a positive int for comparisons
+ int octet = ((int)b) & 0xff;
+
+ // disallow all controls
+ if (octet < 0x20 && octet != 0x09 || octet >= 0x7f && octet < 0xa0) {
+ throw new IllegalArgumentException(
+ "Control character in cookie value or attribute.");
+ }
+
+ // values 0xa0-0xff are allowed in V0 values, otherwise disallow
+ if (octet >= 0x80) {
+ if (isName || version != 0) {
+ throw new IllegalArgumentException(
+ "Control character in cookie value or attribute.");
+ }
+ return true;
+ }
+
+ return !CookieSupport.isHttpSeparator((char) b) ||
+ version == 0 &&
+ CookieSupport.ALLOW_HTTP_SEPARATORS_IN_V0 &&
+ b != '=' &&
+ !CookieSupport.isV0Separator((char) b) ||
+ !isName && b == '=' &&
+ CookieSupport.ALLOW_EQUALS_IN_VALUE;
+ }
+
/**
* Given a starting position after an initial quote character, this gets
* the position of the end quote. This escapes anything after a '\' char
Modified: tomcat/trunk/test/org/apache/tomcat/util/http/TestCookies.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/util/http/TestCookies.java?rev=1553187&r1=1553186&r2=1553187&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/tomcat/util/http/TestCookies.java (original)
+++ tomcat/trunk/test/org/apache/tomcat/util/http/TestCookies.java Mon Dec 23
19:15:35 2013
@@ -17,9 +17,113 @@
package org.apache.tomcat.util.http;
+import java.nio.charset.StandardCharsets;
+
+import javax.servlet.http.Cookie;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Ignore;
import org.junit.Test;
public class TestCookies {
+ private Cookies cookies;
+
+ @Before
+ public void init() {
+ this.cookies = new Cookies(null);
+ }
+
+ @Test
+ public void skipJsonInV0Value() {
+ process("bad={\"v\":1,\"x\":2}; a=b");
+ expect(makeCookie("a", "b", 0));
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallow8bitInName() {
+ process("f\u00f6o=bar");
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallowControlInName() {
+ process("f\010o=bar");
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallow8BitControlInName() {
+ process("f\210o=bar");
+ }
+
+ @Test
+ public void allow8BitInV0Value() {
+ process("foo=b\u00e1r");
+ expect(makeCookie("foo", "b\u00e1r", 0));
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallow8bitInV1UnquotedValue() {
+ process("$Version=1; foo=b\u00e1r");
+ }
+
+ @Test
+ public void allow8bitInV1QuotedValue() {
+ process("$Version=1; foo=\"b\u00e1r\"");
+ expect(makeCookie("foo", "b\u00e1r", 1));
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallowControlInV0Value() {
+ process("foo=b\010r");
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallow8BitControlInV0Value() {
+ process("foo=b\210r");
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallowControlInV1UnquotedValue() {
+ process("$Version=1; foo=b\010r");
+ }
+
+ @Ignore
+ @Test(expected = IllegalArgumentException.class)
+ public void disallowControlInV1QuotedValue() {
+ process("$Version=1; foo=\"b\010r\"");
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void disallow8BitControlInV1UnquotedValue() {
+ process("$Version=1; foo=b\210r");
+ }
+
+ @Ignore
+ @Test
+ public void allow8BitControlInV1QuotedValue() {
+ process("$Version=1; foo=\"b\210r\"");
+ expect(makeCookie("foo", "b\210r", 1));
+ }
+
+ private void process(String header) {
+ byte[] bytes = header.getBytes(StandardCharsets.ISO_8859_1);
+ cookies.processCookieHeader(bytes, 0, bytes.length);
+ }
+
+ private void expect(Cookie... expected) {
+ Assert.assertEquals(expected.length, cookies.getCookieCount());
+ for (int i = 0; i < expected.length; i++) {
+ ServerCookie actual = cookies.getCookie(i);
+ Assert.assertEquals(expected[i].getName(),
actual.getName().toString());
+ Assert.assertEquals(expected[i].getValue(),
actual.getValue().toString());
+ }
+ }
+
+ private static Cookie makeCookie(String name, String value, int version) {
+ Cookie cookie = new Cookie(name, value);
+ cookie.setVersion(version);
+ return cookie;
+ }
@Test
public void testCookies() throws Exception {
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1553187&r1=1553186&r2=1553187&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Mon Dec 23 19:15:35 2013
@@ -225,6 +225,10 @@
Change the default URIEncoding for all connectors from ISO-8859-1 to
UTF-8. (markt)
</update>
+ <scode>
+ <bug>55917</bug>: Allow ISO-8859-1 characters 0xA0-0xFF in V0 cookie
+ values (jboynes).
+ </scode>
</changelog>
</subsection>
<subsection name="Jasper">
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