1/* $OpenBSD: monitor_wrap.h,v 1.49 2022/06/15 16:08:25 djm 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 ssh;
37struct monitor;
38struct Authctxt;
39struct sshkey;
40struct sshauthopt;
41struct sshkey_sig_details;
42
43void mm_log_handler(LogLevel, int, const char *, void *);
44int mm_is_monitor(void);
45#ifdef WITH_OPENSSL
46DH *mm_choose_dh(int, int, int);
47#endif
48int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
49    const u_char *, size_t, const char *, const char *,
50    const char *, u_int compat);
51void mm_inform_authserv(char *, char *);
52struct passwd *mm_getpwnamallow(struct ssh *, const char *);
53char *mm_auth2_read_banner(void);
54int mm_auth_password(struct ssh *, char *);
55int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *,
56    int, struct sshauthopt **);
57int mm_user_key_allowed(struct ssh *ssh, struct passwd *, struct sshkey *, int,
58    struct sshauthopt **);
59int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *,
60    const char *, struct sshkey *);
61int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t,
62    const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **);
63
64#ifdef GSSAPI
65OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
66OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
67   gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
68int mm_ssh_gssapi_userok(char *user);
69OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
70#endif
71
72#ifdef USE_PAM
73void mm_start_pam(struct ssh *ssh);
74u_int mm_do_pam_account(void);
75void *mm_sshpam_init_ctx(struct Authctxt *);
76int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
77int mm_sshpam_respond(void *, u_int, char **);
78void mm_sshpam_free_ctx(void *);
79#endif
80
81#ifdef SSH_AUDIT_EVENTS
82#include "audit.h"
83void mm_audit_event(struct ssh *, ssh_audit_event_t);
84void mm_audit_run_command(const char *);
85#endif
86
87struct Session;
88void mm_terminate(void);
89int mm_pty_allocate(int *, int *, char *, size_t);
90void mm_session_pty_cleanup2(struct Session *);
91
92/* Key export functions */
93struct newkeys *mm_newkeys_from_blob(u_char *, int);
94int mm_newkeys_to_blob(int, u_char **, u_int *);
95
96void mm_send_keystate(struct ssh *, struct monitor*);
97
98/* bsdauth */
99int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
100int mm_bsdauth_respond(void *, u_int, char **);
101
102#endif /* _MM_WRAP_H_ */
103