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/* $OpenBSD: monitor.h,v 1.17 2012/12/02 20:34:10 djm Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MONITOR_H_
#define _MONITOR_H_
/* Please keep *_REQ_* values on even numbers and *_ANS_* on odd numbers */
enum monitor_reqtype {
MONITOR_REQ_MODULI = 0, MONITOR_ANS_MODULI = 1,
MONITOR_REQ_FREE = 2,
MONITOR_REQ_AUTHSERV = 4,
MONITOR_REQ_SIGN = 6, MONITOR_ANS_SIGN = 7,
MONITOR_REQ_PWNAM = 8, MONITOR_ANS_PWNAM = 9,
MONITOR_REQ_AUTH2_READ_BANNER = 10, MONITOR_ANS_AUTH2_READ_BANNER = 11,
MONITOR_REQ_AUTHPASSWORD = 12, MONITOR_ANS_AUTHPASSWORD = 13,
MONITOR_REQ_BSDAUTHQUERY = 14, MONITOR_ANS_BSDAUTHQUERY = 15,
MONITOR_REQ_BSDAUTHRESPOND = 16, MONITOR_ANS_BSDAUTHRESPOND = 17,
MONITOR_REQ_SKEYQUERY = 18, MONITOR_ANS_SKEYQUERY = 19,
MONITOR_REQ_SKEYRESPOND = 20, MONITOR_ANS_SKEYRESPOND = 21,
MONITOR_REQ_KEYALLOWED = 22, MONITOR_ANS_KEYALLOWED = 23,
MONITOR_REQ_KEYVERIFY = 24, MONITOR_ANS_KEYVERIFY = 25,
MONITOR_REQ_KEYEXPORT = 26,
MONITOR_REQ_PTY = 28, MONITOR_ANS_PTY = 29,
MONITOR_REQ_PTYCLEANUP = 30,
MONITOR_REQ_SESSKEY = 32, MONITOR_ANS_SESSKEY = 33,
MONITOR_REQ_SESSID = 34,
MONITOR_REQ_RSAKEYALLOWED = 36, MONITOR_ANS_RSAKEYALLOWED = 37,
MONITOR_REQ_RSACHALLENGE = 38, MONITOR_ANS_RSACHALLENGE = 39,
MONITOR_REQ_RSARESPONSE = 40, MONITOR_ANS_RSARESPONSE = 41,
MONITOR_REQ_GSSSETUP = 42, MONITOR_ANS_GSSSETUP = 43,
MONITOR_REQ_GSSSTEP = 44, MONITOR_ANS_GSSSTEP = 45,
MONITOR_REQ_GSSUSEROK = 46, MONITOR_ANS_GSSUSEROK = 47,
MONITOR_REQ_GSSCHECKMIC = 48, MONITOR_ANS_GSSCHECKMIC = 49,
MONITOR_REQ_TERM = 50,
MONITOR_REQ_JPAKE_STEP1 = 52, MONITOR_ANS_JPAKE_STEP1 = 53,
MONITOR_REQ_JPAKE_GET_PWDATA = 54, MONITOR_ANS_JPAKE_GET_PWDATA = 55,
MONITOR_REQ_JPAKE_STEP2 = 56, MONITOR_ANS_JPAKE_STEP2 = 57,
MONITOR_REQ_JPAKE_KEY_CONFIRM = 58, MONITOR_ANS_JPAKE_KEY_CONFIRM = 59,
MONITOR_REQ_JPAKE_CHECK_CONFIRM = 60, MONITOR_ANS_JPAKE_CHECK_CONFIRM = 61,
};
struct mm_master;
struct monitor {
int m_recvfd;
int m_sendfd;
int m_log_recvfd;
int m_log_sendfd;
struct mm_master *m_zback;
struct mm_master *m_zlib;
struct Kex **m_pkex;
pid_t m_pid;
};
struct monitor *monitor_init(void);
void monitor_reinit(struct monitor *);
void monitor_sync(struct monitor *);
struct Authctxt;
void monitor_child_preauth(struct Authctxt *, struct monitor *);
void monitor_child_postauth(struct monitor *);
struct mon_table;
int monitor_read(struct monitor*, struct mon_table *, struct mon_table **);
/* Prototypes for request sending and receiving */
void mm_request_send(int, enum monitor_reqtype, Buffer *);
void mm_request_receive(int, Buffer *);
void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
#endif /* _MONITOR_H_ */
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