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Code Issues Releases Wiki Activity

Improvements to Socks5

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This commit is contained in:
vanitasvitae 2017-07-21 18:29:27 +02:00
parent c448d07234
commit 19d334d6bb
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
3 changed files with 72 additions and 10 deletions
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8
smack-extensions/src/main/java/org/jivesoftware/smackx/jingle3/internal/Transport.java
View file

@ -21,6 +21,10 @@ public abstract class Transport<D extends JingleContentTransportElement> {
private Transport peersProposal;
private boolean isPeersProposal;
public Transport(Content content) {
this.parent = content;
}
public abstract D getElement();
public void addCandidate(TransportCandidate<?> candidate) {
@ -75,6 +79,10 @@ public abstract class Transport<D extends JingleContentTransportElement> {
return isPeersProposal;
}
public Transport<?> getPeersProposal() {
return peersProposal;
}
public abstract void handleTransportInfo(JingleContentTransportInfoElement info);
public void setParent(Content parent) {

68
smack-extensions/src/main/java/org/jivesoftware/smackx/jingle3/transport/jingle_s5b/JingleS5BTransport.java
View file

@ -1,12 +1,20 @@
package org.jivesoftware.smackx.jingle3.transport.jingle_s5b;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.TimeoutException;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smackx.bytestreams.socks5.Socks5Proxy;
import org.jivesoftware.smackx.bytestreams.socks5.Socks5Utils;
import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
import org.jivesoftware.smackx.jingle3.element.JingleContentTransportInfoElement;
import org.jivesoftware.smackx.jingle3.internal.Content;
import org.jivesoftware.smackx.jingle3.internal.Transport;
import org.jivesoftware.smackx.jingle3.internal.TransportCandidate;
import org.jivesoftware.smackx.jingle3.transport.BytestreamSessionEstablishedListener;
@ -29,12 +37,22 @@ public class JingleS5BTransport extends Transport<JingleS5BTransportElement> {
private String dstAddr;
private Bytestream.Mode mode;
private JingleS5BTransport peersProposal;
// PEERS candidate of OUR choice.
private JingleS5BTransportCandidate selectedCandidate;
private JingleS5BTransportCandidate ourChoice, theirChoice;
private JingleS5BTransportCandidate nominee;
/**
* Create fresh JingleS5BTransport.
* @param content parent content.
*/
public JingleS5BTransport(Content content) {
super(content);
this.sid = StringUtils.randomString(24);
this.dstAddr = Socks5Utils.createDigest(sid, content.getParent().getInitiator(), content.getParent().getResponder());
this.mode = Bytestream.Mode.tcp;
}
public JingleS5BTransport(String sid, String dstAddr, Bytestream.Mode mode, List<JingleS5BTransportCandidate> candidates) {
public JingleS5BTransport(Content content, String sid, String dstAddr, Bytestream.Mode mode, List<JingleS5BTransportCandidate> candidates) {
super(content);
this.sid = sid;
this.dstAddr = dstAddr;
this.mode = mode;
@ -82,6 +100,16 @@ public class JingleS5BTransport extends Transport<JingleS5BTransportElement> {
}
public void connectToCandidates(int timeout) {
for (TransportCandidate c : getCandidates()) {
try {
selectedCandidate = ((JingleS5BTransportCandidate) c).connect(timeout / getCandidates().size()); //TODO: Wise?
} catch (IOException | TimeoutException | InterruptedException | SmackException | XMPPException e) {
e.printStackTrace();
}
}
}
@Override
public void handleTransportInfo(JingleContentTransportInfoElement info) {
switch (info.getElementName()) {
@ -110,10 +138,24 @@ public class JingleS5BTransport extends Transport<JingleS5BTransportElement> {
private void handleCandidateUsed(JingleS5BTransportInfoElement info) {
String candidateId = ((JingleS5BTransportInfoElement.CandidateUsed) info).getCandidateId();
if (theirChoice == null) {
/*
TODO: Booooooh illegal candidateId!! Go home!!!!11elf
*/
JingleS5BTransport peers = (JingleS5BTransport) getPeersProposal();
if (peers.getSelectedCandidate() != null) {
//TODO: Alert! We already received one candidateUsed previously!
return;
}
Iterator<TransportCandidate<?>> ourCandidates = getCandidates().iterator();
while (ourCandidates.hasNext()) {
JingleS5BTransportCandidate candidate = (JingleS5BTransportCandidate) ourCandidates.next();
if (candidate.getCandidateId().equals(candidateId)) {
peers.setSelectedCandidate(candidate);
}
}
if (peers.getSelectedCandidate() == null) {
//TODO: Alert! Illegal candidateId!
}
//connectIfReady();
@ -126,7 +168,7 @@ public class JingleS5BTransport extends Transport<JingleS5BTransportElement> {
}
private void handleCandidateError(JingleS5BTransportInfoElement info) {
theirChoice = CANDIDATE_FAILURE;
((JingleS5BTransport) getPeersProposal()).setSelectedCandidate(CANDIDATE_FAILURE);
//connectIfReady();
}
@ -134,6 +176,14 @@ public class JingleS5BTransport extends Transport<JingleS5BTransportElement> {
//TODO
}
public void setSelectedCandidate(JingleS5BTransportCandidate candidate) {
selectedCandidate = candidate;
}
public JingleS5BTransportCandidate getSelectedCandidate() {
return selectedCandidate;
}
/**
* Internal dummy candidate used to represent failure.
* Kinda depressing, isn't it?

6
smack-extensions/src/main/java/org/jivesoftware/smackx/jingle3/transport/jingle_s5b/JingleS5BTransportCandidate.java
View file

@ -58,7 +58,7 @@ public class JingleS5BTransportCandidate extends TransportCandidate<JingleS5BTra
getPriority(), getType());
}
public Socket connect(int timeout) throws InterruptedException, TimeoutException, SmackException, XMPPException, IOException {
public JingleS5BTransportCandidate connect(int timeout) throws InterruptedException, TimeoutException, SmackException, XMPPException, IOException {
Socks5Client client;
if (getParent().isPeersProposal()) {
@ -71,6 +71,10 @@ public class JingleS5BTransportCandidate extends TransportCandidate<JingleS5BTra
}
this.socket = client.getSocket(timeout);
return this;
}
public Socket getSocket() {
return socket;
}
}