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Improve exceptions of Socks5Proxy

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This commit is contained in:
Florian Schmaus 2019-06-11 12:33:57 +02:00
parent 818ee8a727
commit 92b02afbff
1 changed files with 13 additions and 22 deletions
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35
smack-extensions/src/main/java/org/jivesoftware/smackx/bytestreams/socks5/Socks5Proxy.java
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@ -435,33 +435,23 @@ public class Socks5Proxy {
@Override
public void run() {
while (true) {
ServerSocket serverSocket = Socks5Proxy.this.serverSocket;
if (serverSocket == null || serverSocket.isClosed() || Thread.currentThread().isInterrupted()) {
return;
}
// accept connection
Socket socket = null;
try {
if (Socks5Proxy.this.serverSocket == null || Socks5Proxy.this.serverSocket.isClosed()
|| Thread.currentThread().isInterrupted()) {
return;
}
// accept connection
socket = Socks5Proxy.this.serverSocket.accept();
socket = serverSocket.accept();
// initialize connection
establishConnection(socket);
}
catch (SocketException e) {
/*
* do nothing, if caused by closing the server socket, thread will terminate in
* next loop
*/
}
catch (Exception e) {
} catch (SmackException | IOException e) {
// Do nothing, if caused by closing the server socket, thread will terminate in next loop.
LOGGER.log(Level.FINE, "Exception while " + Socks5Proxy.this + " was handling connection", e);
CloseableUtil.maybeClose(socket, LOGGER);
}
}
}
/**
@ -478,7 +468,7 @@ public class Socks5Proxy {
// first byte is version should be 5
int b = in.read();
if (b != 5) {
throw new SmackException.SmackMessageException("Only SOCKS5 supported");
throw new SmackException.SmackMessageException("Only SOCKS5 supported: Peer send " + b + " but we expect 5");
}
// second byte number of authentication methods supported
@ -523,7 +513,8 @@ public class Socks5Proxy {
out.write(connectionRequest);
out.flush();
throw new SmackException.SmackMessageException("Connection is not allowed");
throw new SmackException.SmackMessageException(
"Connection with digest '" + responseDigest + "' is not allowed");
}
// Store the connection before we send the return status.