1 files changed, 100 insertions, 0 deletions
diff --git a/src/protocol/internal/fqterm_ssh_kex.h b/src/protocol/internal/fqterm_ssh_kex.h
new file mode 100644
index 0000000..b2f9c56
--- /dev/null
+++ b/src/protocol/internal/fqterm_ssh_kex.h
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *   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_KEX_H
+#define FQTERM_SSH_KEX_H
+
+#include <openssl/bn.h>
+#include <QObject>
+
+#include "fqterm_ssh_types.h"
+#include "fqterm_ssh_rsa.h"
+#include "fqterm_ssh_packet.h"
+#include "fqterm_ssh_const.h"
+
+namespace FQTerm {
+
+class FQTermSSHPacketReceiver;
+class FQTermSSHPacketSender;
+
+class FQTermSSHKex: public QObject {
+  Q_OBJECT;
+protected:
+  FQTermSSHPacketReceiver *packet_receiver_;
+  FQTermSSHPacketSender *packet_sender_;
+
+  char *V_C_;
+  char *V_S_;
+public:
+  // Init with 
+  //    string    V_C, the client's identification string (CR and LF
+  //              excluded)
+  //    string    V_S, the server's identification string (CR and LF
+  //              excluded)
+  FQTermSSHKex(const char *V_C, const char *V_S);
+  virtual ~FQTermSSHKex();
+
+  virtual void initKex(FQTermSSHPacketReceiver *packetReceiver,
+                       FQTermSSHPacketSender *outputSender) = 0;
+
+public slots:
+  virtual void handlePacket(int type) = 0;
+
+signals:
+  void kexOK();
+  void reKex();
+  void kexError(QString);
+
+  void startEncryption(const u_char *sessionkey);
+
+};
+
+class FQTermSSH1Kex: public FQTermSSHKex {
+  Q_OBJECT;
+private:
+  enum FQTermSSH1KexState {
+    BEFORE_PUBLICKEY, SESSIONKEY_SENT, KEYEX_OK
+  }	kex_state_;
+
+  bool is_first_kex_;
+
+  FQTermSSHRSA *host_key_;
+  FQTermSSHRSA *server_key_;
+
+  u_char cookie_[8];
+  int server_flag_, ciphers_, auth_;
+  u_char session_id_[16];
+  u_char session_key_[32];
+  
+  void makeSessionId();
+  void makeSessionKey();
+
+public:
+  FQTermSSH1Kex(const char *V_C, const char *V_S);
+  ~FQTermSSH1Kex();
+  virtual void initKex(FQTermSSHPacketReceiver *packetReceiver,
+                       FQTermSSHPacketSender *outputSender);
+
+  virtual void handlePacket(int type);
+};
+
+}  // namespace FQTerm
+
+#endif //FQTERM_SSH_KEX_H