monitor_wrap.h revision 1.19 
1/*	$NetBSD: monitor_wrap.h,v 1.19 2020/02/27 00:24:40 christos Exp $	*/
2/* $OpenBSD: monitor_wrap.h,v 1.44 2019/11/25 00:51:37 djm Exp $ */
3
4/*
5 * Copyright 2002 Niels Provos <provos@citi.umich.edu>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _MM_WRAP_H_
30#define _MM_WRAP_H_
31
32extern int use_privsep;
33#define PRIVSEP(x)	(use_privsep ? mm_##x : x)
34
35enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY };
36
37struct ssh;
38struct monitor;
39struct Authctxt;
40struct sshkey;
41struct sshauthopt;
42struct sshkey_sig_details;
43
44void mm_log_handler(LogLevel, const char *, void *);
45int mm_is_monitor(void);
46#ifdef WITH_OPENSSL
47DH *mm_choose_dh(int, int, int);
48#endif
49int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
50    const u_char *, size_t, const char *, 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 *, const 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 *, 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 *);
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
81struct Session;
82void mm_terminate(void);
83int mm_pty_allocate(int *, int *, char *, size_t);
84void mm_session_pty_cleanup2(struct Session *);
85
86/* Key export functions */
87struct newkeys *mm_newkeys_from_blob(u_char *, int);
88int mm_newkeys_to_blob(int, u_char **, u_int *);
89
90void mm_send_keystate(struct ssh *, struct monitor*);
91
92/* bsdauth */
93int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
94int mm_bsdauth_respond(void *, u_int, char **);
95
96/* skey */
97int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
98int mm_skey_respond(void *, u_int, char **);
99
100/* auth_krb */
101#ifdef KRB5
102/* auth and reply are really krb5_data objects, but we don't want to
103 * include all of the krb5 headers here */
104int mm_auth_krb5(void *authctxt, void *auth, char **client, void *reply);
105#endif
106#endif /* _MM_WRAP_H_ */
107