6648001: Cancelling HTTP authentication causes subsequent deadlocks

Reviewed-by: michaelm
This commit is contained in:
Chris Hegarty 2010-04-06 13:47:59 +01:00
parent 9039997db4
commit cb7c94da7e
3 changed files with 188 additions and 18 deletions

View File

@ -270,13 +270,17 @@ public abstract class AuthenticationInfo extends AuthCacheValue implements Clone
* In this case we do not use the path because the protection space
* is identified by the host:port:realm only
*/
static AuthenticationInfo getServerAuth(URL url, String realm, AuthScheme scheme) {
static String getServerAuthKey(URL url, String realm, AuthScheme scheme) {
int port = url.getPort();
if (port == -1) {
port = url.getDefaultPort();
}
String key = SERVER_AUTHENTICATION + ":" + scheme + ":" + url.getProtocol().toLowerCase()
+ ":" + url.getHost().toLowerCase() + ":" + port + ":" + realm;
return key;
}
static AuthenticationInfo getServerAuth(String key) {
AuthenticationInfo cached = getAuth(key, null);
if ((cached == null) && requestIsInProgress (key)) {
/* check the cache again, it might contain an entry */
@ -314,9 +318,13 @@ public abstract class AuthenticationInfo extends AuthCacheValue implements Clone
* Used in response to a challenge. Note, the protocol field is always
* blank for proxies.
*/
static AuthenticationInfo getProxyAuth(String host, int port, String realm, AuthScheme scheme) {
static String getProxyAuthKey(String host, int port, String realm, AuthScheme scheme) {
String key = PROXY_AUTHENTICATION + ":" + scheme + "::" + host.toLowerCase()
+ ":" + port + ":" + realm;
return key;
}
static AuthenticationInfo getProxyAuth(String key) {
AuthenticationInfo cached = (AuthenticationInfo) cache.get(key, null);
if ((cached == null) && requestIsInProgress (key)) {
/* check the cache again, it might contain an entry */
@ -330,19 +338,20 @@ public abstract class AuthenticationInfo extends AuthCacheValue implements Clone
* Add this authentication to the cache
*/
void addToCache() {
cache.put (cacheKey(true), this);
String key = cacheKey(true);
cache.put(key, this);
if (supportsPreemptiveAuthorization()) {
cache.put (cacheKey(false), this);
cache.put(cacheKey(false), this);
}
endAuthRequest();
endAuthRequest(key);
}
void endAuthRequest () {
static void endAuthRequest (String key) {
if (!serializeAuth) {
return;
}
synchronized (requests) {
requestCompleted (cacheKey(true));
requestCompleted(key);
}
}

View File

@ -249,6 +249,8 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
boolean isUserServerAuth;
boolean isUserProxyAuth;
String serverAuthKey, proxyAuthKey;
/* Progress source */
protected ProgressSource pi;
@ -1503,11 +1505,11 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
}
throw e;
} finally {
if (respCode == HTTP_PROXY_AUTH && proxyAuthentication != null) {
proxyAuthentication.endAuthRequest();
if (proxyAuthKey != null) {
AuthenticationInfo.endAuthRequest(proxyAuthKey);
}
else if (respCode == HTTP_UNAUTHORIZED && serverAuthentication != null) {
serverAuthentication.endAuthRequest();
if (serverAuthKey != null) {
AuthenticationInfo.endAuthRequest(serverAuthKey);
}
}
}
@ -1720,8 +1722,8 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
statusLine + "\"");
}
} finally {
if (respCode == HTTP_PROXY_AUTH && proxyAuthentication != null) {
proxyAuthentication.endAuthRequest();
if (proxyAuthKey != null) {
AuthenticationInfo.endAuthRequest(proxyAuthKey);
}
}
@ -1837,10 +1839,8 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
if (realm == null)
realm = "";
ret = AuthenticationInfo.getProxyAuth(host,
port,
realm,
authScheme);
proxyAuthKey = AuthenticationInfo.getProxyAuthKey(host, port, realm, authScheme);
ret = AuthenticationInfo.getProxyAuth(proxyAuthKey);
if (ret == null) {
switch (authScheme) {
case BASIC:
@ -1981,7 +1981,8 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
domain = p.findValue ("domain");
if (realm == null)
realm = "";
ret = AuthenticationInfo.getServerAuth(url, realm, authScheme);
serverAuthKey = AuthenticationInfo.getServerAuthKey(url, realm, authScheme);
ret = AuthenticationInfo.getServerAuth(serverAuthKey);
InetAddress addr = null;
if (ret == null) {
try {

View File

@ -0,0 +1,160 @@
/*
* Copyright 2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @test
* @bug 6648001
* @run main/othervm/timeout=20 -ea:sun.net.www.protocol.http.AuthenticationInfo -Dhttp.auth.serializeRequests=true Deadlock
* @summary cancelling HTTP authentication causes deadlock
*/
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;
import java.io.InputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.URL;
import com.sun.net.httpserver.BasicAuthenticator;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpPrincipal;
import com.sun.net.httpserver.HttpServer;
public class Deadlock {
public static void main (String[] args) throws Exception {
Handler handler = new Handler();
InetSocketAddress addr = new InetSocketAddress (0);
HttpServer server = HttpServer.create(addr, 0);
HttpContext ctx = server.createContext("/test", handler);
BasicAuthenticator a = new BasicAuthenticator("foobar@test.realm") {
@Override
public boolean checkCredentials (String username, String pw) {
return "fred".equals(username) && pw.charAt(0) == 'x';
}
};
ctx.setAuthenticator(a);
ExecutorService executor = Executors.newCachedThreadPool();
server.setExecutor(executor);
server.start ();
java.net.Authenticator.setDefault(new MyAuthenticator());
System.out.print("Deadlock: " );
for (int i=0; i<2; i++) {
Runner t = new Runner(server, i);
t.start();
t.join();
}
server.stop(2);
executor.shutdown();
if (error) {
throw new RuntimeException("test failed error");
}
if (count != 2) {
throw new RuntimeException("test failed count = " + count);
}
System.out.println("OK");
}
static class Runner extends Thread {
HttpServer server;
int i;
Runner(HttpServer s, int i) {
server = s;
this.i = i;
}
@Override
public void run() {
URL url;
HttpURLConnection urlc;
try {
url = new URL("http://localhost:"+server.getAddress().getPort()+"/test/foo.html");
urlc = (HttpURLConnection)url.openConnection ();
} catch (IOException e) {
error = true;
return;
}
InputStream is = null;
try {
is = urlc.getInputStream();
while (is.read()!= -1) {}
} catch (IOException e) {
if (i == 1) error = true;
} finally {
if (is != null) try { is.close(); } catch (IOException e) {}
}
}
}
public static boolean error = false;
public static int count = 0;
static class MyAuthenticator extends java.net.Authenticator {
@Override
public PasswordAuthentication getPasswordAuthentication() {
PasswordAuthentication pw;
if (!getRequestingPrompt().equals("foobar@test.realm")) {
Deadlock.error = true;
}
if (count == 0) {
pw = null;
} else {
pw = new PasswordAuthentication("fred", "xyz".toCharArray());
}
count++;
return pw;
}
}
static class Handler implements HttpHandler {
int invocation = 1;
@Override
public void handle (HttpExchange t)
throws IOException
{
InputStream is = t.getRequestBody();
Headers map = t.getRequestHeaders();
Headers rmap = t.getResponseHeaders();
while (is.read() != -1);
is.close();
t.sendResponseHeaders(200, -1);
HttpPrincipal p = t.getPrincipal();
if (!p.getUsername().equals("fred")) {
error = true;
}
if (!p.getRealm().equals("foobar@test.realm")) {
error = true;
}
t.close();
}
}
}