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/***************************************************************************
* fqterm, a terminal emulator for both BBS and *nix. *
* Copyright (C) 2008 fqterm development group. *
* *
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifndef FQTERM_SSH_SOCKET_H
#define FQTERM_SSH_SOCKET_H
#include "fqterm_socket.h"
#include "internal/buffer.h"
namespace FQTerm {
class FQTermSocketPrivate;
class FQTermSSHPacketReceiver;
class FQTermSSHPacketSender;
class FQTermSSHKex;
class FQTermSSHAuth;
class FQTermSSHChannel;
class FQTermSSHSocket: public FQTermSocket {
Q_OBJECT;
private:
enum FQTermSSHSocketState {
BeforeSession, SockSession
} ssh_socket_state_;
FQTermSocketPrivate *private_socket_;
buffer input_buffer; /* data to read, decrypted */
buffer output_buffer; /* data to send, unencrypted */
buffer socket_buffer; /* data received from the socket */
FQTermSSHPacketReceiver *packet_receiver_;
FQTermSSHPacketSender *packet_sender_;
FQTermSSHKex *key_exchanger_;
FQTermSSHAuth *authentication_;
FQTermSSHChannel *ssh_channel_;
bool is_channel_ok_;
bool auth_ok_emitted_;
QByteArray init_user_, init_passwd_;
QString server_name_;
int ssh_version_;
int col_;
int row_;
QString termtype_;
int chooseVersion(const QString &ver);
unsigned long socketWriteBlock(const char *data, unsigned long len);
void parsePacket();
private slots:
void handlePacket(int type);
void writeData();
void kexOK();
void authOK();
void channelOK();
void channelReadyRead(const char *data, int len);
void socketReadyRead();
void handleError(QString);
public:
FQTermSSHSocket(int col = 80, int row = 24, const QString& termtype = "vt100", const char *sshuser = NULL, const char *sshpasswd = NULL);
~FQTermSSHSocket();
void setProxy(int nProxyType, //0-no proxy; 1-wingate; 2-sock4; 3-socks5
bool bAuth, // if authentation needed
const QString &strProxyHost, quint16 uProxyPort, const QString &strProxyUsr,
const QString &strProxyPwd);
void connectToHost(const QString &host_name, quint16 port);
void init(int ssh_version);
QByteArray readBlock(unsigned long size);
long writeBlock(const QByteArray &data);
virtual bool readyForInput() {return is_channel_ok_;}
virtual bool setTermSize(int col, int row);
unsigned long bytesAvailable();
void flush();
void close();
};
} // namespace FQTerm
#endif //FQTERM_SSH_SOCKET_H
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