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47686178 1/* $OpenBSD: sshconnect.h,v 1.24 2007/09/04 11:15:56 djm Exp $ */
3c0ef626 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 */
3c0ef626 26
f5799ae1 27typedef struct Sensitive Sensitive;
28struct Sensitive {
29 Key **keys;
30 int nkeys;
31 int external_keysign;
32};
33
3c0ef626 34int
35ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
47686178 36 int *, int, int, const char *);
3c0ef626 37
38void
47686178 39ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *, int);
3c0ef626 40
41int verify_host_key(char *, struct sockaddr *, Key *);
42
43void ssh_kex(char *, struct sockaddr *);
44void ssh_kex2(char *, struct sockaddr *);
45
f5799ae1 46void ssh_userauth1(const char *, const char *, char *, Sensitive *);
47void ssh_userauth2(const char *, const char *, char *, Sensitive *);
3c0ef626 48
49void ssh_put_password(char *);
2c06c99b 50int ssh_local_cmd(const char *);
f5799ae1 51
52/*
53 * Macros to raise/lower permissions.
54 */
9108f8d9 55#define PRIV_START do { \
56 int save_errno = errno; \
57 if (seteuid(original_effective_uid) != 0) \
58 fatal("PRIV_START: seteuid: %s", \
59 strerror(errno)); \
60 errno = save_errno; \
f5799ae1 61} while (0)
62
9108f8d9 63#define PRIV_END do { \
64 int save_errno = errno; \
65 if (seteuid(original_real_uid) != 0) \
66 fatal("PRIV_END: seteuid: %s", \
67 strerror(errno)); \
68 errno = save_errno; \
f5799ae1 69} while (0)
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