xref: /freebsd/crypto/openssh/monitor_wrap.h (revision e4e9813eb92cd7c4d4b819a8fbed5cbd3d92f5d8)
1 /*	$OpenBSD: monitor_wrap.h,v 1.14 2004/06/21 17:36:31 avsm Exp $	*/
2 /*	$FreeBSD$	*/
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 #include "key.h"
32 #include "buffer.h"
33 
34 extern int use_privsep;
35 #define PRIVSEP(x)	(use_privsep ? mm_##x : x)
36 
37 enum mm_keytype {MM_NOKEY, MM_HOSTKEY, MM_USERKEY, MM_RSAHOSTKEY, MM_RSAUSERKEY};
38 
39 struct monitor;
40 struct mm_master;
41 struct passwd;
42 struct Authctxt;
43 
44 int mm_is_monitor(void);
45 DH *mm_choose_dh(int, int, int);
46 int mm_key_sign(Key *, u_char **, u_int *, u_char *, u_int);
47 void mm_inform_authserv(char *, char *);
48 struct passwd *mm_getpwnamallow(const char *);
49 char *mm_auth2_read_banner(void);
50 int mm_auth_password(struct Authctxt *, char *);
51 int mm_key_allowed(enum mm_keytype, char *, char *, Key *);
52 int mm_user_key_allowed(struct passwd *, Key *);
53 int mm_hostbased_key_allowed(struct passwd *, char *, char *, Key *);
54 int mm_auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *);
55 int mm_key_verify(Key *, u_char *, u_int, u_char *, u_int);
56 int mm_auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **);
57 int mm_auth_rsa_verify_response(Key *, BIGNUM *, u_char *);
58 BIGNUM *mm_auth_rsa_generate_challenge(Key *);
59 
60 #ifdef GSSAPI
61 #include "ssh-gss.h"
62 OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
63 OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
64    gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
65 int mm_ssh_gssapi_userok(char *user);
66 OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
67 #endif
68 
69 #ifdef USE_PAM
70 void mm_start_pam(struct Authctxt *);
71 u_int mm_do_pam_account(void);
72 void *mm_sshpam_init_ctx(struct Authctxt *);
73 int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
74 int mm_sshpam_respond(void *, u_int, char **);
75 void mm_sshpam_free_ctx(void *);
76 #endif
77 
78 #ifdef SSH_AUDIT_EVENTS
79 #include "audit.h"
80 void mm_audit_event(ssh_audit_event_t);
81 void mm_audit_run_command(const char *);
82 #endif
83 
84 struct Session;
85 void mm_terminate(void);
86 int mm_pty_allocate(int *, int *, char *, int);
87 void mm_session_pty_cleanup2(struct Session *);
88 
89 /* SSHv1 interfaces */
90 void mm_ssh1_session_id(u_char *);
91 int mm_ssh1_session_key(BIGNUM *);
92 
93 /* Key export functions */
94 struct Newkeys *mm_newkeys_from_blob(u_char *, int);
95 int mm_newkeys_to_blob(int, u_char **, u_int *);
96 
97 void monitor_apply_keystate(struct monitor *);
98 void mm_get_keystate(struct monitor *);
99 void mm_send_keystate(struct monitor*);
100 
101 /* bsdauth */
102 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
103 int mm_bsdauth_respond(void *, u_int, char **);
104 
105 /* skey */
106 int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
107 int mm_skey_respond(void *, u_int, char **);
108 
109 /* zlib allocation hooks */
110 
111 void *mm_zalloc(struct mm_master *, u_int, u_int);
112 void mm_zfree(struct mm_master *, void *);
113 void mm_init_compression(struct mm_master *);
114 
115 #endif /* _MM_H_ */
116