/usr/include/libktorrent/net/socks.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2007 by Joris Guisson and Ivan Vasic *
* joris.guisson@gmail.com *
* ivasic@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NETSOCKS_H
#define NETSOCKS_H
#include <net/address.h>
#include <net/addressresolver.h>
#include <ktorrent_export.h>
#include <mse/encryptedpacketsocket.h>
namespace net
{
/**
* @author Joris Guisson
*
* Class which handles the SOCKSv5 protocol
*/
class KTORRENT_EXPORT Socks : public QObject
{
Q_OBJECT
public:
enum State
{
IDLE,
CONNECTING_TO_SERVER,
CONNECTING_TO_HOST,
CONNECTED,
FAILED
};
enum SetupState
{
NONE,
AUTH_REQUEST_SENT,
USERNAME_AND_PASSWORD_SENT,
CONNECT_REQUEST_SENT
};
Socks(mse::EncryptedPacketSocket::Ptr sock,const Address & dest);
virtual ~Socks();
/// Setup a socks connection, return the current state
State setup();
/**
* The socket is ready to write (used to determine if we are connected to the server)
* @return The current state
*/
State onReadyToWrite();
/**
* There is data available on the socked
* @return The current state
*/
State onReadyToRead();
/// Is socks enabled
static bool enabled() {return socks_enabled;}
/// Enable or disable socks
static void setSocksEnabled(bool on) {socks_enabled = on;}
/// Set the socks server address
static void setSocksServerAddress(const QString & host,bt::Uint16 port);
/// Set the socks version (4 or 5)
static void setSocksVersion(int version) {socks_version = version;}
/**
* Set the SOCKSv5 Username and password
* @param username The username
* @param password The password
*/
static void setSocksAuthentication(const QString & username,const QString & password);
private:
State sendAuthRequest();
void sendConnectRequest();
void sendUsernamePassword();
State handleAuthReply();
State handleUsernamePasswordReply();
State handleConnectReply();
private slots:
void resolved(net::AddressResolver* ar);
private:
mse::EncryptedPacketSocket::Ptr sock;
Address dest;
State state;
SetupState internal_state;
int version;
static net::Address socks_server_addr;
static bool socks_server_addr_resolved;
static QString socks_server_host;
static bt::Uint16 socks_server_port;
static bool socks_enabled;
static int socks_version;
static QString socks_username;
static QString socks_password;
};
}
#endif
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