crypto/openssh/roaming.h

   1 /* $OpenBSD: roaming.h,v 1.6 2011/12/07 05:44:38 djm Exp $ */
   2 /*
   3  * Copyright (c) 2004-2009 AppGate Network Security AB
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef ROAMING_H
  19 #define ROAMING_H
  20
  21 #define DEFAULT_ROAMBUF 65536
  22 #define MAX_ROAMBUF     (2*1024*1024) /* XXX arbitrary */
  23 #define ROAMING_REQUEST "roaming@appgate.com"
  24
  25 extern int roaming_enabled;
  26 extern int resume_in_progress;
  27
  28 void    request_roaming(void);
  29 int     get_snd_buf_size(void);
  30 int     get_recv_buf_size(void);
  31 void    add_recv_bytes(u_int64_t);
  32 int     wait_for_roaming_reconnect(void);
  33 void    roaming_reply(int, u_int32_t, void *);
  34 void    set_out_buffer_size(size_t);
  35 ssize_t roaming_write(int, const void *, size_t, int *);
  36 ssize_t roaming_read(int, void *, size_t, int *);
  37 size_t  roaming_atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
  38 u_int64_t       get_recv_bytes(void);
  39 u_int64_t       get_sent_bytes(void);
  40 void    roam_set_bytes(u_int64_t, u_int64_t);
  41 void    resend_bytes(int, u_int64_t *);
  42 void    calculate_new_key(u_int64_t *, u_int64_t, u_int64_t);
  43 int     resume_kex(void);
  44
  45 #endif /* ROAMING */