[openssh.git] / monitor.h

/*	$OpenBSD: monitor.h,v 1.8 2002/09/26 11:38:43 markus Exp $	*/
/*	$FreeBSD: src/crypto/openssh/monitor.h,v 1.3 2002/10/29 10:16:02 des 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_

enum monitor_reqtype {
	MONITOR_REQ_MODULI, MONITOR_ANS_MODULI,
	MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV,
	MONITOR_REQ_SIGN, MONITOR_ANS_SIGN,
	MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM,
	MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER,
	MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD,
	MONITOR_REQ_BSDAUTHQUERY, MONITOR_ANS_BSDAUTHQUERY,
	MONITOR_REQ_BSDAUTHRESPOND, MONITOR_ANS_BSDAUTHRESPOND,
	MONITOR_REQ_SKEYQUERY, MONITOR_ANS_SKEYQUERY,
	MONITOR_REQ_SKEYRESPOND, MONITOR_ANS_SKEYRESPOND,
	MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED,
	MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY,
	MONITOR_REQ_KEYEXPORT,
	MONITOR_REQ_PTY, MONITOR_ANS_PTY,
	MONITOR_REQ_PTYCLEANUP,
	MONITOR_REQ_SESSKEY, MONITOR_ANS_SESSKEY,
	MONITOR_REQ_SESSID,
	MONITOR_REQ_RSAKEYALLOWED, MONITOR_ANS_RSAKEYALLOWED,
	MONITOR_REQ_RSACHALLENGE, MONITOR_ANS_RSACHALLENGE,
	MONITOR_REQ_RSARESPONSE, MONITOR_ANS_RSARESPONSE,
	MONITOR_REQ_KRB4, MONITOR_ANS_KRB4,
 	MONITOR_REQ_KRB5, MONITOR_ANS_KRB5,
	MONITOR_REQ_PAM_START,
	MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX,
	MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY,
	MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND,
	MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX,
	MONITOR_REQ_TERM
};

struct mm_master;
struct monitor {
	int			 m_recvfd;
	int			 m_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;
struct Authctxt *monitor_child_preauth(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_ */
Commit	Line	Data
2db9d8aa	1	/* $OpenBSD: monitor.h,v 1.8 2002/09/26 11:38:43 markus Exp $ */
05114c74	2	/* $FreeBSD: src/crypto/openssh/monitor.h,v 1.3 2002/10/29 10:16:02 des Exp $ */
8e4fd4a1	3
1853d1ef	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
	32	enum 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,
94a73cdc	37	MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER,
1853d1ef	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,
2db9d8aa	53	MONITOR_REQ_KRB4, MONITOR_ANS_KRB4,
696f6bef	54	MONITOR_REQ_KRB5, MONITOR_ANS_KRB5,
ad200abb	55	MONITOR_REQ_PAM_START,
05114c74	56	MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX,
	57	MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY,
	58	MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND,
	59	MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX,
c6f1f67c	60	MONITOR_REQ_TERM
1853d1ef	61	};
	62
	63	struct mm_master;
	64	struct monitor {
	65	int m_recvfd;
	66	int m_sendfd;
	67	struct mm_master *m_zback;
	68	struct mm_master *m_zlib;
	69	struct Kex **m_pkex;
c457707e	70	pid_t m_pid;
1853d1ef	71	};
	72
	73	struct monitor *monitor_init(void);
	74	void monitor_reinit(struct monitor *);
	75	void monitor_sync(struct monitor *);
	76
	77	struct Authctxt;
	78	struct Authctxt monitor_child_preauth(struct monitor );
	79	void monitor_child_postauth(struct monitor *);
	80
	81	struct mon_table;
	82	int monitor_read(struct monitor, struct mon_table , struct mon_table **);
	83
	84	/* Prototypes for request sending and receiving */
	85	void mm_request_send(int, enum monitor_reqtype, Buffer *);
	86	void mm_request_receive(int, Buffer *);
	87	void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
	88
	89	#endif /* _MONITOR_H_ */