blob: 75bde1a4db14786fa48b7809f4240f9fe0510d2a [file] [log] [blame]
Damien Miller67bd0622007-09-17 12:06:57 +10001/* $OpenBSD: sshconnect.h,v 1.24 2007/09/04 11:15:56 djm Exp $ */
Ben Lindstrom36579d32001-01-29 07:39:26 +00002
Damien Millere4340be2000-09-16 13:29:08 +11003/*
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 */
Damien Miller9f2abc42006-07-10 20:53:08 +100026
Ben Lindstrom1bad2562002-06-06 19:57:33 +000027typedef struct Sensitive Sensitive;
28struct Sensitive {
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000029 Key **keys;
30 int nkeys;
31 int external_keysign;
Ben Lindstrom1bad2562002-06-06 19:57:33 +000032};
33
Ben Lindstrom226cfa02001-01-22 05:34:40 +000034int
Damien Miller139d4cd2001-10-10 15:07:44 +100035ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
Damien Miller67bd0622007-09-17 12:06:57 +100036 int *, int, int, const char *);
Ben Lindstrom226cfa02001-01-22 05:34:40 +000037
Ben Lindstrom226cfa02001-01-22 05:34:40 +000038void
Damien Miller67bd0622007-09-17 12:06:57 +100039ssh_login(Sensitive *, const char *, struct sockaddr *, struct passwd *, int);
Damien Millereba71ba2000-04-29 23:57:08 +100040
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000041int verify_host_key(char *, struct sockaddr *, Key *);
Damien Millereba71ba2000-04-29 23:57:08 +100042
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000043void ssh_kex(char *, struct sockaddr *);
44void ssh_kex2(char *, struct sockaddr *);
Ben Lindstrom5eabda32001-04-12 23:34:34 +000045
Ben Lindstrom1bad2562002-06-06 19:57:33 +000046void ssh_userauth1(const char *, const char *, char *, Sensitive *);
47void ssh_userauth2(const char *, const char *, char *, Sensitive *);
Damien Millereba71ba2000-04-29 23:57:08 +100048
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000049void ssh_put_password(char *);
Damien Millerd27b9472005-12-13 19:29:02 +110050int ssh_local_cmd(const char *);
Ben Lindstromf9c48842002-06-11 16:37:51 +000051
52/*
53 * Macros to raise/lower permissions.
54 */
Damien Miller6b4069a2006-06-13 13:05:15 +100055#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; \
Ben Lindstromf9c48842002-06-11 16:37:51 +000061} while (0)
62
Damien Miller6b4069a2006-06-13 13:05:15 +100063#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; \
Ben Lindstromf9c48842002-06-11 16:37:51 +000069} while (0)