1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate /*	$OpenBSD: sshconnect.h,v 1.17 2002/06/19 00:27:55 deraadt Exp $	*/
6*0Sstevel@tonic-gate 
7*0Sstevel@tonic-gate #ifndef	_SSHCONNECT_H
8*0Sstevel@tonic-gate #define	_SSHCONNECT_H
9*0Sstevel@tonic-gate 
10*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
11*0Sstevel@tonic-gate 
12*0Sstevel@tonic-gate #ifdef __cplusplus
13*0Sstevel@tonic-gate extern "C" {
14*0Sstevel@tonic-gate #endif
15*0Sstevel@tonic-gate 
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*
18*0Sstevel@tonic-gate  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
21*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
22*0Sstevel@tonic-gate  * are met:
23*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
24*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
25*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
26*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
27*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
28*0Sstevel@tonic-gate  *
29*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
30*0Sstevel@tonic-gate  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
31*0Sstevel@tonic-gate  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
32*0Sstevel@tonic-gate  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
33*0Sstevel@tonic-gate  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
34*0Sstevel@tonic-gate  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35*0Sstevel@tonic-gate  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36*0Sstevel@tonic-gate  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37*0Sstevel@tonic-gate  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
38*0Sstevel@tonic-gate  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate typedef struct Sensitive Sensitive;
42*0Sstevel@tonic-gate struct Sensitive {
43*0Sstevel@tonic-gate 	Key	**keys;
44*0Sstevel@tonic-gate 	int	nkeys;
45*0Sstevel@tonic-gate 	int	external_keysign;
46*0Sstevel@tonic-gate };
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate int
49*0Sstevel@tonic-gate ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
50*0Sstevel@tonic-gate     int, const char *);
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate void
53*0Sstevel@tonic-gate ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate int	 verify_host_key(char *, struct sockaddr *, Key *);
56*0Sstevel@tonic-gate int	 accept_host_key(char *, struct sockaddr *, Key *);
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate void	 ssh_kex(char *, struct sockaddr *);
59*0Sstevel@tonic-gate void	 ssh_kex2(char *, struct sockaddr *);
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate void	 ssh_userauth1(const char *, const char *, char *, Sensitive *);
62*0Sstevel@tonic-gate void	 ssh_userauth2(const char *, const char *, char *, Sensitive *);
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate void	 ssh_put_password(char *);
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate /*
68*0Sstevel@tonic-gate  * Macros to raise/lower permissions.
69*0Sstevel@tonic-gate  */
70*0Sstevel@tonic-gate #define PRIV_START do {				\
71*0Sstevel@tonic-gate 	int save_errno = errno;			\
72*0Sstevel@tonic-gate 	(void)seteuid(original_effective_uid);	\
73*0Sstevel@tonic-gate 	errno = save_errno;			\
74*0Sstevel@tonic-gate } while (0)
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate #define PRIV_END do {				\
77*0Sstevel@tonic-gate 	int save_errno = errno;			\
78*0Sstevel@tonic-gate 	(void)seteuid(original_real_uid);	\
79*0Sstevel@tonic-gate 	errno = save_errno;			\
80*0Sstevel@tonic-gate } while (0)
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate #ifdef __cplusplus
83*0Sstevel@tonic-gate }
84*0Sstevel@tonic-gate #endif
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate #endif /* _SSHCONNECT_H */
87