sshconnect.h revision 98941 
1/*	$OpenBSD: sshconnect.h,v 1.17 2002/06/19 00:27:55 deraadt Exp $	*/
2
3/*
4 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26#ifndef SSHCONNECT_H
27#define SSHCONNECT_H
28
29typedef struct Sensitive Sensitive;
30struct Sensitive {
31	Key	**keys;
32	int	nkeys;
33	int	external_keysign;
34};
35
36int
37ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
38    int, const char *);
39
40void
41ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *);
42
43int	 verify_host_key(char *, struct sockaddr *, Key *);
44
45void	 ssh_kex(char *, struct sockaddr *);
46void	 ssh_kex2(char *, struct sockaddr *);
47
48void	 ssh_userauth1(const char *, const char *, char *, Sensitive *);
49void	 ssh_userauth2(const char *, const char *, char *, Sensitive *);
50
51void	 ssh_put_password(char *);
52
53
54/*
55 * Macros to raise/lower permissions.
56 */
57#define PRIV_START do {				\
58	int save_errno = errno;			\
59	(void)seteuid(original_effective_uid);	\
60	errno = save_errno;			\
61} while (0)
62
63#define PRIV_END do {				\
64	int save_errno = errno;			\
65	(void)seteuid(original_real_uid);	\
66	errno = save_errno;			\
67} while (0)
68
69#endif
70