xref: /freebsd/crypto/openssh/monitor.h (revision 09e8dea79366f1e5b3a73e8a271b26e4b6bf2e6a)
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 
31 enum 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 
55 struct mm_master;
56 struct 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 
65 struct monitor *monitor_init(void);
66 void monitor_reinit(struct monitor *);
67 void monitor_sync(struct monitor *);
68 
69 struct Authctxt;
70 struct Authctxt *monitor_child_preauth(struct monitor *);
71 void monitor_child_postauth(struct monitor *);
72 
73 struct mon_table;
74 int monitor_read(struct monitor*, struct mon_table *, struct mon_table **);
75 
76 /* Prototypes for request sending and receiving */
77 void mm_request_send(int, enum monitor_reqtype, Buffer *);
78 void mm_request_receive(int, Buffer *);
79 void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
80 
81 #endif /* _MONITOR_H_ */
82