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Damien Miller1a0c0b92003-09-02 22:51:17 +10001/* $OpenBSD: monitor.h,v 1.11 2003/08/28 12:54:34 markus Exp $ */
Ben Lindstrom28364ec2002-03-26 03:42:20 +00002
Ben Lindstrom7a2073c2002-03-22 02:30:41 +00003/*
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,
Damien Miller5ad9fd92002-05-13 11:07:41 +100036 MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER,
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000037 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,
Darren Tucker0efd1552003-08-26 11:49:55 +100052 MONITOR_REQ_GSSSETUP, MONITOR_ANS_GSSSETUP,
53 MONITOR_REQ_GSSSTEP, MONITOR_ANS_GSSSTEP,
54 MONITOR_REQ_GSSUSEROK, MONITOR_ANS_GSSUSEROK,
Damien Miller79418552002-04-23 20:28:48 +100055 MONITOR_REQ_PAM_START,
Damien Miller1f499fd2003-08-25 13:08:49 +100056 MONITOR_REQ_PAM_ACCOUNT, MONITOR_ANS_PAM_ACCOUNT,
Damien Miller4f9f42a2003-05-10 19:28:02 +100057 MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX,
58 MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY,
59 MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND,
60 MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX,
Ben Lindstromd9d6ab62002-06-06 21:57:01 +000061 MONITOR_REQ_TERM
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000062};
63
64struct mm_master;
65struct monitor {
66 int m_recvfd;
67 int m_sendfd;
68 struct mm_master *m_zback;
69 struct mm_master *m_zlib;
70 struct Kex **m_pkex;
Ben Lindstromce0f6342002-06-11 16:42:49 +000071 pid_t m_pid;
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000072};
73
74struct monitor *monitor_init(void);
75void monitor_reinit(struct monitor *);
76void monitor_sync(struct monitor *);
77
78struct Authctxt;
79struct Authctxt *monitor_child_preauth(struct monitor *);
80void monitor_child_postauth(struct monitor *);
81
82struct mon_table;
83int monitor_read(struct monitor*, struct mon_table *, struct mon_table **);
84
85/* Prototypes for request sending and receiving */
86void mm_request_send(int, enum monitor_reqtype, Buffer *);
87void mm_request_receive(int, Buffer *);
88void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
89
90#endif /* _MONITOR_H_ */