1 /*
   2  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24 /*
  25  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 /*      $OpenBSD: sshconnect.h,v 1.17 2002/06/19 00:27:55 deraadt Exp $ */
  30 
  31 #ifndef _SSHCONNECT_H
  32 #define _SSHCONNECT_H
  33 
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 typedef struct Sensitive Sensitive;
  39 struct Sensitive {
  40         Key     **keys;
  41         int     nkeys;
  42         int     external_keysign;
  43 };
  44 
  45 int
  46 ssh_connect(const char *, struct sockaddr_storage *, ushort_t, int, int,
  47     int, const char *);
  48 
  49 void
  50 ssh_login(Sensitive *, const char *, struct sockaddr *, char *);
  51 
  52 int      verify_host_key(char *, struct sockaddr *, Key *);
  53 int      accept_host_key(char *, struct sockaddr *, Key *);
  54 
  55 void     ssh_kex(char *, struct sockaddr *);
  56 void     ssh_kex2(char *, struct sockaddr *);
  57 
  58 void     ssh_userauth1(const char *, const char *, char *, Sensitive *);
  59 void     ssh_userauth2(const char *, const char *, char *, Sensitive *);
  60 
  61 void     ssh_put_password(char *);
  62 
  63 
  64 /*
  65  * Macros to raise/lower permissions.
  66  */
  67 #define PRIV_START do {                         \
  68         int save_errno = errno;                 \
  69         (void) seteuid(original_effective_uid); \
  70         errno = save_errno;                     \
  71 } while (0)
  72 
  73 #define PRIV_END do {                           \
  74         int save_errno = errno;                 \
  75         (void) seteuid(original_real_uid);      \
  76         errno = save_errno;                     \
  77 } while (0)
  78 
  79 #ifdef __cplusplus
  80 }
  81 #endif
  82 
  83 #endif /* _SSHCONNECT_H */