1/* $OpenBSD: monitor_wrap.h,v 1.51 2024/05/17 06:42:04 jsg Exp $ */
2
3/*
4 * Copyright 2002 Niels Provos <provos@citi.umich.edu>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef _MM_WRAP_H_
29#define _MM_WRAP_H_
30
31enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY };
32
33struct ssh;
34struct monitor;
35struct Authctxt;
36struct sshkey;
37struct sshauthopt;
38struct sshkey_sig_details;
39
40void mm_log_handler(LogLevel, int, const char *, void *);
41int mm_is_monitor(void);
42#ifdef WITH_OPENSSL
43DH *mm_choose_dh(int, int, int);
44#endif
45int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
46    const u_char *, size_t, const char *, const char *,
47    const char *, u_int compat);
48void mm_inform_authserv(char *, char *);
49struct passwd *mm_getpwnamallow(struct ssh *, const char *);
50char *mm_auth2_read_banner(void);
51int mm_auth_password(struct ssh *, char *);
52int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *,
53    int, struct sshauthopt **);
54int mm_user_key_allowed(struct ssh *ssh, struct passwd *, struct sshkey *, int,
55    struct sshauthopt **);
56int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *,
57    const char *, struct sshkey *);
58int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t,
59    const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **);
60
61void mm_decode_activate_server_options(struct ssh *ssh, struct sshbuf *m);
62
63#ifdef GSSAPI
64OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
65OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
66   gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
67int mm_ssh_gssapi_userok(char *user);
68OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
69#endif
70
71struct Session;
72void mm_terminate(void);
73int mm_pty_allocate(int *, int *, char *, size_t);
74void mm_session_pty_cleanup2(struct Session *);
75
76void mm_send_keystate(struct ssh *, struct monitor*);
77
78/* bsdauth */
79int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
80int mm_bsdauth_respond(void *, u_int, char **);
81
82/* config / channels glue */
83void	 server_process_permitopen(struct ssh *);
84void	 server_process_channel_timeouts(struct ssh *ssh);
85struct connection_info *
86	 server_get_connection_info(struct ssh *, int, int);
87
88#endif /* _MM_WRAP_H_ */
89