move to my github.

1 files changed, 105 insertions, 0 deletions

diff --git a/src/protocol/internal/fqterm_ssh2_kex.h b/src/protocol/internal/fqterm_ssh2_kex.h
new file mode 100644
index 0000000..671e094
--- /dev/null
+++ b/src/protocol/internal/fqterm_ssh2_kex.h
@@ -0,0 +1,105 @@
+/***************************************************************************
+ *   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_SSH2_KEX_H
+#define FQTERM_SSH2_KEX_H
+
+#include <openssl/sha.h>
+
+#include "fqterm_ssh_kex.h"
+
+namespace FQTerm {
+
+class FQTermSSHPacketReceiver;
+class FQTermSSHPacketSender;
+
+class FQTermSSH2Kex: public FQTermSSHKex {
+  Q_OBJECT;
+private:
+  enum FQTermSSH2KexState {
+    BEFORE_KEXINIT, WAIT_REPLY, SESSIONKEY_SENT, KEYEX_OK
+  }	kex_state_;
+
+  /*
+  string    V_C, the client's identification string (CR and LF
+            excluded)
+  string    V_S, the server's identification string (CR and LF
+            excluded)
+  string    I_C, the payload of the client's SSH_MSG_KEXINIT
+  string    I_S, the payload of the server's SSH_MSG_KEXINIT
+  string    K_S, the host key
+  mpint     e, exchange value sent by the client
+  mpint     f, exchange value sent by the server
+  mpint     K, the shared secret
+  */
+
+  int I_C_len_;
+  char *I_C_;
+  int I_S_len_;
+  char *I_S_;
+
+  BIGNUM *bn_x_;
+  BIGNUM *bn_e_;
+  BIGNUM *bn_g_;
+  BIGNUM *bn_p_;
+  BN_CTX *ctx_;
+
+  BIGNUM *bn_K_;
+  BIGNUM *bn_f_;
+
+  unsigned char H_[SHA_DIGEST_LENGTH];
+
+  unsigned char *session_id_;
+
+
+
+
+  bool is_first_kex_;
+
+  FQTermSSHRSA *host_key_;
+  FQTermSSHRSA *server_key_;
+
+  u_char cookie_[16];
+  int server_flag_, ciphers_, auth_;
+//  u_char session_id_[16];
+  u_char session_key_[32];
+  
+  void negotiateAlgorithms();
+  void exchangeKey();
+  bool verifyKey();
+  void sendNewKeys();
+  bool changeKeyAlg();
+
+  unsigned char *computeKey(int len, char flag);
+
+public:
+  FQTermSSH2Kex(const char *V_C, const char *V_S);
+  ~FQTermSSH2Kex();
+
+  virtual void initKex(FQTermSSHPacketReceiver *packetReceiver,
+                       FQTermSSHPacketSender *outputSender);
+
+public slots:
+  void handlePacket(int type);
+};
+
+}  // namespace FQTerm
+
+#endif //FQTERM_SSH2_KEX_H