1/* $OpenBSD: monitor_wrap.h,v 1.38 2018/07/11 18:53:29 markus 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
31extern int use_privsep;
32#define PRIVSEP(x)	(use_privsep ? mm_##x : x)
33
34enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY };
35
36struct monitor;
37struct Authctxt;
38struct sshkey;
39struct sshauthopt;
40
41void mm_log_handler(LogLevel, const char *, void *);
42int mm_is_monitor(void);
43DH *mm_choose_dh(int, int, int);
44int mm_sshkey_sign(struct sshkey *, u_char **, size_t *, const u_char *, size_t,
45    const char *, u_int compat);
46void mm_inform_authserv(char *, char *);
47#ifdef HAVE_LOGIN_CAP
48struct login_cap *mm_login_getpwclass(const struct passwd *pwd);
49void mm_login_close(struct login_cap *lc);
50#endif
51struct passwd *mm_getpwnamallow(const char *);
52char *mm_auth2_read_banner(void);
53int mm_auth_password(struct ssh *, char *);
54int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *,
55    int, struct sshauthopt **);
56int mm_user_key_allowed(struct ssh *, struct passwd *, struct sshkey *, int,
57    struct sshauthopt **);
58int mm_hostbased_key_allowed(struct passwd *, const char *,
59    const char *, struct sshkey *);
60int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t,
61    const u_char *, size_t, const char *, u_int);
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
71#ifdef USE_PAM
72void mm_start_pam(struct Authctxt *);
73u_int mm_do_pam_account(void);
74void *mm_sshpam_init_ctx(struct Authctxt *);
75int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
76int mm_sshpam_respond(void *, u_int, char **);
77void mm_sshpam_free_ctx(void *);
78#endif
79
80#ifdef SSH_AUDIT_EVENTS
81#include "audit.h"
82void mm_audit_event(ssh_audit_event_t);
83void mm_audit_run_command(const char *);
84#endif
85
86struct Session;
87void mm_terminate(void);
88int mm_pty_allocate(int *, int *, char *, size_t);
89void mm_session_pty_cleanup2(struct Session *);
90
91/* Key export functions */
92struct newkeys *mm_newkeys_from_blob(u_char *, int);
93int mm_newkeys_to_blob(int, u_char **, u_int *);
94
95void monitor_clear_keystate(struct monitor *);
96void monitor_apply_keystate(struct monitor *);
97void mm_get_keystate(struct monitor *);
98void mm_send_keystate(struct monitor*);
99
100/* bsdauth */
101int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
102int mm_bsdauth_respond(void *, u_int, char **);
103
104#endif /* _MM_WRAP_H_ */
105