monitor.h revision 98675 
1/*	$OpenBSD: monitor.h,v 1.6 2002/06/11 05:46:20 mpech 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 _MONITOR_H_
29#define _MONITOR_H_
30
31enum monitor_reqtype {
32	MONITOR_REQ_MODULI, MONITOR_ANS_MODULI,
33	MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV,
34	MONITOR_REQ_SIGN, MONITOR_ANS_SIGN,
35	MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM,
36	MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER,
37	MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD,
38	MONITOR_REQ_BSDAUTHQUERY, MONITOR_ANS_BSDAUTHQUERY,
39	MONITOR_REQ_BSDAUTHRESPOND, MONITOR_ANS_BSDAUTHRESPOND,
40	MONITOR_REQ_SKEYQUERY, MONITOR_ANS_SKEYQUERY,
41	MONITOR_REQ_SKEYRESPOND, MONITOR_ANS_SKEYRESPOND,
42	MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED,
43	MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY,
44	MONITOR_REQ_KEYEXPORT,
45	MONITOR_REQ_PTY, MONITOR_ANS_PTY,
46	MONITOR_REQ_PTYCLEANUP,
47	MONITOR_REQ_SESSKEY, MONITOR_ANS_SESSKEY,
48	MONITOR_REQ_SESSID,
49	MONITOR_REQ_RSAKEYALLOWED, MONITOR_ANS_RSAKEYALLOWED,
50	MONITOR_REQ_RSACHALLENGE, MONITOR_ANS_RSACHALLENGE,
51	MONITOR_REQ_RSARESPONSE, MONITOR_ANS_RSARESPONSE,
52	MONITOR_REQ_TERM
53};
54
55struct mm_master;
56struct monitor {
57	int			 m_recvfd;
58	int			 m_sendfd;
59	struct mm_master	*m_zback;
60	struct mm_master	*m_zlib;
61	struct Kex		**m_pkex;
62	pid_t			 m_pid;
63};
64
65struct monitor *monitor_init(void);
66void monitor_reinit(struct monitor *);
67void monitor_sync(struct monitor *);
68
69struct Authctxt;
70struct Authctxt *monitor_child_preauth(struct monitor *);
71void monitor_child_postauth(struct monitor *);
72
73struct mon_table;
74int monitor_read(struct monitor*, struct mon_table *, struct mon_table **);
75
76/* Prototypes for request sending and receiving */
77void mm_request_send(int, enum monitor_reqtype, Buffer *);
78void mm_request_receive(int, Buffer *);
79void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
80
81#endif /* _MONITOR_H_ */
82