monitor.h revision 124211 
1/*	$OpenBSD: monitor.h,v 1.11 2003/08/28 12:54:34 markus Exp $	*/
2/*	$FreeBSD: head/crypto/openssh/monitor.h 124211 2004-01-07 11:16:27Z des $	*/
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 _MONITOR_H_
30#define _MONITOR_H_
31
32enum monitor_reqtype {
33	MONITOR_REQ_MODULI, MONITOR_ANS_MODULI,
34	MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV,
35	MONITOR_REQ_SIGN, MONITOR_ANS_SIGN,
36	MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM,
37	MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER,
38	MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD,
39	MONITOR_REQ_BSDAUTHQUERY, MONITOR_ANS_BSDAUTHQUERY,
40	MONITOR_REQ_BSDAUTHRESPOND, MONITOR_ANS_BSDAUTHRESPOND,
41	MONITOR_REQ_SKEYQUERY, MONITOR_ANS_SKEYQUERY,
42	MONITOR_REQ_SKEYRESPOND, MONITOR_ANS_SKEYRESPOND,
43	MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED,
44	MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY,
45	MONITOR_REQ_KEYEXPORT,
46	MONITOR_REQ_PTY, MONITOR_ANS_PTY,
47	MONITOR_REQ_PTYCLEANUP,
48	MONITOR_REQ_SESSKEY, MONITOR_ANS_SESSKEY,
49	MONITOR_REQ_SESSID,
50	MONITOR_REQ_RSAKEYALLOWED, MONITOR_ANS_RSAKEYALLOWED,
51	MONITOR_REQ_RSACHALLENGE, MONITOR_ANS_RSACHALLENGE,
52	MONITOR_REQ_RSARESPONSE, MONITOR_ANS_RSARESPONSE,
53	MONITOR_REQ_GSSSETUP, MONITOR_ANS_GSSSETUP,
54	MONITOR_REQ_GSSSTEP, MONITOR_ANS_GSSSTEP,
55	MONITOR_REQ_GSSUSEROK, MONITOR_ANS_GSSUSEROK,
56	MONITOR_REQ_PAM_START,
57	MONITOR_REQ_PAM_ACCOUNT, MONITOR_ANS_PAM_ACCOUNT,
58	MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX,
59	MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY,
60	MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND,
61	MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX,
62	MONITOR_REQ_TERM
63};
64
65struct mm_master;
66struct monitor {
67	int			 m_recvfd;
68	int			 m_sendfd;
69	struct mm_master	*m_zback;
70	struct mm_master	*m_zlib;
71	struct Kex		**m_pkex;
72	pid_t			 m_pid;
73};
74
75struct monitor *monitor_init(void);
76void monitor_reinit(struct monitor *);
77void monitor_sync(struct monitor *);
78
79struct Authctxt;
80struct Authctxt *monitor_child_preauth(struct monitor *);
81void monitor_child_postauth(struct monitor *);
82
83struct mon_table;
84int monitor_read(struct monitor*, struct mon_table *, struct mon_table **);
85
86/* Prototypes for request sending and receiving */
87void mm_request_send(int, enum monitor_reqtype, Buffer *);
88void mm_request_receive(int, Buffer *);
89void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
90
91#endif /* _MONITOR_H_ */
92