monitor_wrap.h revision 296853
1/* $OpenBSD: monitor_wrap.h,v 1.29 2015/12/04 16:41:28 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, MM_RSAHOSTKEY, MM_RSAUSERKEY};
35
36struct monitor;
37struct mm_master;
38struct Authctxt;
39
40void mm_log_handler(LogLevel, const char *, void *);
41int mm_is_monitor(void);
42DH *mm_choose_dh(int, int, int);
43int mm_key_sign(Key *, u_char **, u_int *, const u_char *, u_int, const char *);
44void mm_inform_authserv(char *, char *);
45struct passwd *mm_getpwnamallow(const char *);
46char *mm_auth2_read_banner(void);
47int mm_auth_password(struct Authctxt *, char *);
48int mm_key_allowed(enum mm_keytype, char *, char *, Key *, int);
49int mm_user_key_allowed(struct passwd *, Key *, int);
50int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *);
51int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *);
52int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int);
53int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **);
54int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *);
55BIGNUM *mm_auth_rsa_generate_challenge(Key *);
56
57#ifdef GSSAPI
58OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
59OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
60   gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
61int mm_ssh_gssapi_userok(char *user);
62OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
63#endif
64
65#ifdef USE_PAM
66void mm_start_pam(struct Authctxt *);
67u_int mm_do_pam_account(void);
68void *mm_sshpam_init_ctx(struct Authctxt *);
69int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
70int mm_sshpam_respond(void *, u_int, char **);
71void mm_sshpam_free_ctx(void *);
72#endif
73
74#ifdef SSH_AUDIT_EVENTS
75#include "audit.h"
76void mm_audit_event(ssh_audit_event_t);
77void mm_audit_run_command(const char *);
78#endif
79
80struct Session;
81void mm_terminate(void);
82int mm_pty_allocate(int *, int *, char *, size_t);
83void mm_session_pty_cleanup2(struct Session *);
84
85/* SSHv1 interfaces */
86void mm_ssh1_session_id(u_char *);
87int mm_ssh1_session_key(BIGNUM *);
88
89/* Key export functions */
90struct newkeys *mm_newkeys_from_blob(u_char *, int);
91int mm_newkeys_to_blob(int, u_char **, u_int *);
92
93void monitor_apply_keystate(struct monitor *);
94void mm_get_keystate(struct monitor *);
95void mm_send_keystate(struct monitor*);
96
97/* bsdauth */
98int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
99int mm_bsdauth_respond(void *, u_int, char **);
100
101/* skey */
102int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
103int mm_skey_respond(void *, u_int, char **);
104
105/* zlib allocation hooks */
106void mm_init_compression(struct mm_master *);
107
108#endif /* _MM_WRAP_H_ */
109