[gssapi-openssh.git] / openssh / monitor.h

/*	$OpenBSD: monitor.h,v 1.11 2003/08/28 12:54:34 markus 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_GSSSETUP, MONITOR_ANS_GSSSETUP,
	MONITOR_REQ_GSSSTEP, MONITOR_ANS_GSSSTEP,
	MONITOR_REQ_GSSUSEROK, MONITOR_ANS_GSSUSEROK,
	MONITOR_REQ_GSSSIGN, MONITOR_ANS_GSSSIGN,
	MONITOR_REQ_GSSMECHS, MONITOR_ANS_GSSMECHS,
	MONITOR_REQ_GSSLOCALNAME, MONITOR_ANS_GSSLOCALNAME,
	MONITOR_REQ_GSSERR, MONITOR_ANS_GSSERR,
	MONITOR_REQ_PAM_START,
	MONITOR_REQ_PAM_ACCOUNT, MONITOR_ANS_PAM_ACCOUNT,
	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
7cac2b65	1	/* $OpenBSD: monitor.h,v 1.11 2003/08/28 12:54:34 markus Exp $ */
826f3a39	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,
7cac2b65	52	MONITOR_REQ_GSSSETUP, MONITOR_ANS_GSSSETUP,
	53	MONITOR_REQ_GSSSTEP, MONITOR_ANS_GSSSTEP,
	54	MONITOR_REQ_GSSUSEROK, MONITOR_ANS_GSSUSEROK,
	55	MONITOR_REQ_GSSSIGN, MONITOR_ANS_GSSSIGN,
	56	MONITOR_REQ_GSSMECHS, MONITOR_ANS_GSSMECHS,
	57	MONITOR_REQ_GSSLOCALNAME, MONITOR_ANS_GSSLOCALNAME,
7cac2b65	58	MONITOR_REQ_GSSERR, MONITOR_ANS_GSSERR,
826f3a39	59	MONITOR_REQ_PAM_START,
7cac2b65	60	MONITOR_REQ_PAM_ACCOUNT, MONITOR_ANS_PAM_ACCOUNT,
	61	MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX,
	62	MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY,
	63	MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND,
	64	MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX,
44a053a3	65	MONITOR_REQ_TERM
826f3a39	66	};
	67
	68	struct mm_master;
	69	struct monitor {
	70	int m_recvfd;
	71	int m_sendfd;
	72	struct mm_master *m_zback;
	73	struct mm_master *m_zlib;
	74	struct Kex **m_pkex;
44a053a3	75	pid_t m_pid;
826f3a39	76	};
	77
	78	struct monitor *monitor_init(void);
	79	void monitor_reinit(struct monitor *);
	80	void monitor_sync(struct monitor *);
	81
	82	struct Authctxt;
	83	struct Authctxt monitor_child_preauth(struct monitor );
	84	void monitor_child_postauth(struct monitor *);
	85
	86	struct mon_table;
	87	int monitor_read(struct monitor, struct mon_table , struct mon_table **);
	88
	89	/* Prototypes for request sending and receiving */
	90	void mm_request_send(int, enum monitor_reqtype, Buffer *);
	91	void mm_request_receive(int, Buffer *);
	92	void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *);
	93
	94	#endif /* _MONITOR_H_ */