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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http11;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import org.apache.coyote.ActionCode;
import org.apache.coyote.RequestInfo;
import org.apache.coyote.http11.filters.BufferedInputFilter;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.jni.Address;
import org.apache.tomcat.jni.SSL;
import org.apache.tomcat.jni.SSLSocket;
import org.apache.tomcat.jni.Sockaddr;
import org.apache.tomcat.jni.Socket;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.net.AbstractEndpoint.Handler.SocketState;
import org.apache.tomcat.util.net.AprEndpoint;
import org.apache.tomcat.util.net.SSLSupport;
import org.apache.tomcat.util.net.SocketStatus;
import org.apache.tomcat.util.net.SocketWrapper;
/**
* Processes HTTP requests.
*
* @author Remy Maucherat
*/
public class Http11AprProcessor extends AbstractHttp11Processor {
private static final Log log = LogFactory.getLog(Http11AprProcessor.class);
@Override
protected Log getLog() {
return log;
}
// ----------------------------------------------------------- Constructors
public Http11AprProcessor(int headerBufferSize, AprEndpoint endpoint,
int maxTrailerSize) {
super(endpoint);
inputBuffer = new InternalAprInputBuffer(request, headerBufferSize);
request.setInputBuffer(inputBuffer);
outputBuffer = new InternalAprOutputBuffer(response, headerBufferSize);
response.setOutputBuffer(outputBuffer);
initializeFilters(maxTrailerSize);
}
// ----------------------------------------------------- Instance Variables
/**
* Input.
*/
protected InternalAprInputBuffer inputBuffer = null;
/**
* Output.
*/
protected InternalAprOutputBuffer outputBuffer = null;
/**
* Sendfile data.
*/
protected AprEndpoint.SendfileData sendfileData = null;
/**
* Socket associated with the current connection.
*/
protected SocketWrapper socket = null;
/**
* When client certificate information is presented in a form other than
* instances of {@link java.security.cert.X509Certificate} it needs to be
* converted before it can be used and this property controls which JSSE
* provider is used to perform the conversion. For example it is used with
* the AJP connectors, the HTTP APR connector and with the
* {@link org.apache.catalina.valves.SSLValve}. If not specified, the
* default provider will be used.
*/
protected String clientCertProvider = null;
public String getClientCertProvider() { return clientCertProvider; }
public void setClientCertProvider(String s) { this.clientCertProvider = s; }
// --------------------------------------------------------- Public Methods
/**
* Process pipelined HTTP requests using the specified input and output
* streams.
*
* @throws IOException error during an I/O operation
*/
@Override
public SocketState event(SocketStatus status)
throws IOException {
RequestInfo rp = request.getRequestProcessor();
try {
rp.setStage(org.apache.coyote.Constants.STAGE_SERVICE);
error = !adapter.event(request, response, status);
} catch (InterruptedIOException e) {
error = true;
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error(sm.getString("http11processor.request.process"), t);
// 500 - Internal Server Error
response.setStatus(500);
adapter.log(request, response, 0);
error = true;
}
rp.setStage(org.apache.coyote.Constants.STAGE_ENDED);
if (error) {
return SocketState.CLOSED;
} else if (!comet) {
inputBuffer.nextRequest();
outputBuffer.nextRequest();
return SocketState.OPEN;
} else {
return SocketState.LONG;
}
}
@Override
protected boolean disableKeepAlive() {
return false;
}
@Override
protected void setRequestLineReadTimeout() throws IOException {
// Timeouts while in the poller are handled entirely by the poller
// Only need to be concerned with socket timeouts
// APR uses simulated blocking so if some request line data is present
// then it must all be presented (with the normal socket timeout).
// When entering the processing loop for the first time there will
// always be some data to read so the keep-alive timeout is not required
// For the second and subsequent executions of the processing loop, if
// there is no request line data present then no further data will be
// read from the socket. If there is request line data present then it
// must all be presented (with the normal socket timeout)
// When the socket is created it is given the correct timeout.
// sendfile may change the timeout but will restore it
// This processor may change the timeout for uploads but will restore it
// NO-OP
}
@Override
protected boolean handleIncompleteRequestLineRead() {
// This means that no data is available right now
// (long keepalive), so that the processor should be recycled
// and the method should return true
openSocket = true;
if (endpoint.isPaused()) {
// 503 - Service unavailable
response.setStatus(503);
adapter.log(request, response, 0);
error = true;
} else {
return true;
}
return false;
}
@Override
protected void setSocketTimeout(int timeout) {
Socket.timeoutSet(socket.getSocket().longValue(), timeout * 1000);
}
@Override
protected void setCometTimeouts(SocketWrapper socketWrapper) {
// NO-OP for APR/native
}
@Override
protected boolean breakKeepAliveLoop(SocketWrapper socketWrapper) {
openSocket = keepAlive;
// Do sendfile as needed: add socket to sendfile and end
if (sendfileData != null && !error) {
sendfileData.socket = socketWrapper.getSocket().longValue();
sendfileData.keepAlive = keepAlive;
if (!((AprEndpoint)endpoint).getSendfile().add(sendfileData)) {
// Didn't send all of the data to sendfile.
if (sendfileData.socket == 0) {
// The socket is no longer set. Something went wrong.
// Close the connection. Too late to set status code.
if (log.isDebugEnabled()) {
log.debug(sm.getString(
"http11processor.sendfile.error"));
}
error = true;
} else {
// The sendfile Poller will add the socket to the main
// Poller once sendfile processing is complete
sendfileInProgress = true;
}
return true;
}
}
return false;
}
@Override
protected void resetTimeouts() {
// NOOP for APR
}
@Override
public void recycleInternal() {
socket = null;
sendfileData = null;
}
// ----------------------------------------------------- ActionHook Methods
/**
* Send an action to the connector.
*
* @param actionCode Type of the action
* @param param Action parameter
*/
@Override
public void actionInternal(ActionCode actionCode, Object param) {
long socketRef = socket.getSocket().longValue();
if (actionCode == ActionCode.REQ_HOST_ADDR_ATTRIBUTE) {
// Get remote host address
if (remoteAddr == null && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_REMOTE, socketRef);
remoteAddr = Address.getip(sa);
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.remoteAddr().setString(remoteAddr);
} else if (actionCode == ActionCode.REQ_LOCAL_NAME_ATTRIBUTE) {
// Get local host name
if (localName == null && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_LOCAL, socketRef);
localName = Address.getnameinfo(sa, 0);
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.localName().setString(localName);
} else if (actionCode == ActionCode.REQ_HOST_ATTRIBUTE) {
// Get remote host name
if (remoteHost == null && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_REMOTE, socketRef);
remoteHost = Address.getnameinfo(sa, 0);
if (remoteHost == null) {
remoteHost = Address.getip(sa);
}
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.remoteHost().setString(remoteHost);
} else if (actionCode == ActionCode.REQ_LOCAL_ADDR_ATTRIBUTE) {
// Get local host address
if (localAddr == null && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_LOCAL, socketRef);
localAddr = Address.getip(sa);
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.localAddr().setString(localAddr);
} else if (actionCode == ActionCode.REQ_REMOTEPORT_ATTRIBUTE) {
// Get remote port
if (remotePort == -1 && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_REMOTE, socketRef);
Sockaddr addr = Address.getInfo(sa);
remotePort = addr.port;
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.setRemotePort(remotePort);
} else if (actionCode == ActionCode.REQ_LOCALPORT_ATTRIBUTE) {
// Get local port
if (localPort == -1 && (socketRef != 0)) {
try {
long sa = Address.get(Socket.APR_LOCAL, socketRef);
Sockaddr addr = Address.getInfo(sa);
localPort = addr.port;
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.info"), e);
}
}
request.setLocalPort(localPort);
} else if (actionCode == ActionCode.REQ_SSL_ATTRIBUTE ) {
if (endpoint.isSSLEnabled() && (socketRef != 0)) {
try {
// Cipher suite
Object sslO = SSLSocket.getInfoS(socketRef, SSL.SSL_INFO_CIPHER);
if (sslO != null) {
request.setAttribute(SSLSupport.CIPHER_SUITE_KEY, sslO);
}
// Get client certificate and the certificate chain if present
// certLength == -1 indicates an error
int certLength = SSLSocket.getInfoI(socketRef, SSL.SSL_INFO_CLIENT_CERT_CHAIN);
byte[] clientCert = SSLSocket.getInfoB(socketRef, SSL.SSL_INFO_CLIENT_CERT);
X509Certificate[] certs = null;
if (clientCert != null && certLength > -1) {
certs = new X509Certificate[certLength + 1];
CertificateFactory cf;
if (clientCertProvider == null) {
cf = CertificateFactory.getInstance("X.509");
} else {
cf = CertificateFactory.getInstance("X.509",
clientCertProvider);
}
certs[0] = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(clientCert));
for (int i = 0; i < certLength; i++) {
byte[] data = SSLSocket.getInfoB(socketRef, SSL.SSL_INFO_CLIENT_CERT_CHAIN + i);
certs[i+1] = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(data));
}
}
if (certs != null) {
request.setAttribute(SSLSupport.CERTIFICATE_KEY, certs);
}
// User key size
sslO = Integer.valueOf(SSLSocket.getInfoI(socketRef,
SSL.SSL_INFO_CIPHER_USEKEYSIZE));
request.setAttribute(SSLSupport.KEY_SIZE_KEY, sslO);
// SSL session ID
sslO = SSLSocket.getInfoS(socketRef, SSL.SSL_INFO_SESSION_ID);
if (sslO != null) {
request.setAttribute(SSLSupport.SESSION_ID_KEY, sslO);
}
//TODO provide a hook to enable the SSL session to be
// invalidated. Set AprEndpoint.SESSION_MGR req attr
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.ssl"), e);
}
}
} else if (actionCode == ActionCode.REQ_SSL_CERTIFICATE) {
if (endpoint.isSSLEnabled() && (socketRef != 0)) {
// Consume and buffer the request body, so that it does not
// interfere with the client's handshake messages
InputFilter[] inputFilters = inputBuffer.getFilters();
((BufferedInputFilter) inputFilters[Constants.BUFFERED_FILTER]).setLimit(maxSavePostSize);
inputBuffer.addActiveFilter(inputFilters[Constants.BUFFERED_FILTER]);
try {
// Configure connection to require a certificate
SSLSocket.setVerify(socketRef, SSL.SSL_CVERIFY_REQUIRE,
((AprEndpoint)endpoint).getSSLVerifyDepth());
// Renegotiate certificates
if (SSLSocket.renegotiate(socketRef) == 0) {
// Don't look for certs unless we know renegotiation worked.
// Get client certificate and the certificate chain if present
// certLength == -1 indicates an error
int certLength = SSLSocket.getInfoI(socketRef,SSL.SSL_INFO_CLIENT_CERT_CHAIN);
byte[] clientCert = SSLSocket.getInfoB(socketRef, SSL.SSL_INFO_CLIENT_CERT);
X509Certificate[] certs = null;
if (clientCert != null && certLength > -1) {
certs = new X509Certificate[certLength + 1];
CertificateFactory cf = CertificateFactory.getInstance("X.509");
certs[0] = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(clientCert));
for (int i = 0; i < certLength; i++) {
byte[] data = SSLSocket.getInfoB(socketRef, SSL.SSL_INFO_CLIENT_CERT_CHAIN + i);
certs[i+1] = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(data));
}
}
if (certs != null) {
request.setAttribute(SSLSupport.CERTIFICATE_KEY, certs);
}
}
} catch (Exception e) {
log.warn(sm.getString("http11processor.socket.ssl"), e);
}
}
} else if (actionCode == ActionCode.AVAILABLE) {
request.setAvailable(inputBuffer.available());
} else if (actionCode == ActionCode.COMET_BEGIN) {
comet = true;
} else if (actionCode == ActionCode.COMET_END) {
comet = false;
} else if (actionCode == ActionCode.COMET_CLOSE) {
((AprEndpoint)endpoint).processSocketAsync(this.socket,
SocketStatus.OPEN);
} else if (actionCode == ActionCode.COMET_SETTIMEOUT) {
//no op
} else if (actionCode == ActionCode.ASYNC_COMPLETE) {
if (asyncStateMachine.asyncComplete()) {
((AprEndpoint)endpoint).processSocketAsync(this.socket,
SocketStatus.OPEN);
}
} else if (actionCode == ActionCode.ASYNC_SETTIMEOUT) {
if (param==null) {
return;
}
long timeout = ((Long)param).longValue();
socket.setTimeout(timeout);
} else if (actionCode == ActionCode.ASYNC_DISPATCH) {
if (asyncStateMachine.asyncDispatch()) {
((AprEndpoint)endpoint).processSocketAsync(this.socket,
SocketStatus.OPEN);
}
}
}
// ------------------------------------------------------ Protected Methods
@Override
protected void prepareRequestInternal() {
sendfileData = null;
}
@Override
protected boolean prepareSendfile(OutputFilter[] outputFilters) {
String fileName = (String) request.getAttribute(
"org.apache.tomcat.sendfile.filename");
if (fileName != null) {
// No entity body sent here
outputBuffer.addActiveFilter(outputFilters[Constants.VOID_FILTER]);
contentDelimitation = true;
sendfileData = new AprEndpoint.SendfileData();
sendfileData.fileName = fileName;
sendfileData.start = ((Long) request.getAttribute(
"org.apache.tomcat.sendfile.start")).longValue();
sendfileData.end = ((Long) request.getAttribute(
"org.apache.tomcat.sendfile.end")).longValue();
return true;
}
return false;
}
@Override
protected void setSocketWrapper(SocketWrapper socketWrapper) {
this.socket = socketWrapper;
}
@Override
protected AbstractInputBuffer getInputBuffer() {
return inputBuffer;
}
@Override
protected AbstractOutputBuffer getOutputBuffer() {
return outputBuffer;
}
}
