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

/* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */
/*
 * Copyright (c) 2001 Markus Friedl.  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.
 */

#include <termios.h>

/* Client side main loop for the interactive session. */
int	 client_loop(int, int, int);
void	 client_x11_get_proto(const char *, const char *, u_int,
	    char **, char **);
void	 client_global_request_reply_fwd(int, u_int32_t, void *);
void	 client_session2_setup(int, int, int, const char *, struct termios *,
	    int, Buffer *, char **);
int	 client_request_tun_fwd(int, int, int);

/* Escape filter for protocol 2 sessions */
void	*client_new_escape_filter_ctx(int);
void	 client_filter_cleanup(int, void *);
int	 client_simple_escape_filter(Channel *, char *, int);

/* Global request confirmation callbacks */
typedef void global_confirm_cb(int, u_int32_t seq, void *);
void	 client_register_global_confirm(global_confirm_cb *, void *);

/* Multiplexing protocol version */
#define SSHMUX_VER			2

/* Multiplexing control protocol flags */
#define SSHMUX_COMMAND_OPEN		1	/* Open new connection */
#define SSHMUX_COMMAND_ALIVE_CHECK	2	/* Check master is alive */
#define SSHMUX_COMMAND_TERMINATE	3	/* Ask master to exit */

#define SSHMUX_FLAG_TTY			(1)	/* Request tty on open */
#define SSHMUX_FLAG_SUBSYS		(1<<1)	/* Subsystem request on open */
#define SSHMUX_FLAG_X11_FWD		(1<<2)	/* Request X11 forwarding */
#define SSHMUX_FLAG_AGENT_FWD		(1<<3)	/* Request agent forwarding */

void	muxserver_listen(void);
int	muxserver_accept_control(void);
void	muxclient(const char *);
Commit	Line	Data
22616013	1	/* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */
3c0ef626	2
	3	/*
	4	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	5	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	6	* All rights reserved
	7	*
	8	* As far as I am concerned, the code I have written for this software
	9	* can be used freely for any purpose. Any derived versions of this
	10	* software must be clearly marked as such, and if the derived work is
	11	* incompatible with the protocol description in the RFC file, it must be
	12	* called by a name other than "ssh" or "Secure Shell".
	13	*/
	14	/*
	15	* Copyright (c) 2001 Markus Friedl. All rights reserved.
	16	*
	17	* Redistribution and use in source and binary forms, with or without
	18	* modification, are permitted provided that the following conditions
	19	* are met:
	20	* 1. Redistributions of source code must retain the above copyright
	21	* notice, this list of conditions and the following disclaimer.
	22	* 2. Redistributions in binary form must reproduce the above copyright
	23	* notice, this list of conditions and the following disclaimer in the
	24	* documentation and/or other materials provided with the distribution.
	25	*
	26	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	27	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	28	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	29	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	30	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	31	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	32	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	33	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	34	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	35	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	36	*/
	37
9108f8d9	38	#include <termios.h>
9108f8d9	39
3c0ef626	40	/* Client side main loop for the interactive session. */
3c0ef626	41	int client_loop(int, int, int);
665a873d	42	void client_x11_get_proto(const char , const char , u_int,
665a873d	43	char , char );
cdd66111	44	void client_global_request_reply_fwd(int, u_int32_t, void *);
c9f39d2c	45	void client_session2_setup(int, int, int, const char , struct termios ,
22616013	46	int, Buffer , char *);
d4487008	47	int client_request_tun_fwd(int, int, int);
996d5e62	48
22616013	49	/* Escape filter for protocol 2 sessions */
	50	void *client_new_escape_filter_ctx(int);
	51	void client_filter_cleanup(int, void *);
	52	int client_simple_escape_filter(Channel , char , int);
	53
	54	/* Global request confirmation callbacks */
	55	typedef void global_confirm_cb(int, u_int32_t seq, void *);
	56	void client_register_global_confirm(global_confirm_cb , void );
	57
665a873d	58	/* Multiplexing protocol version */
22616013	59	#define SSHMUX_VER 2
665a873d	60
996d5e62	61	/* Multiplexing control protocol flags */
	62	#define SSHMUX_COMMAND_OPEN 1 /* Open new connection */
	63	#define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */
	64	#define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */
	65
	66	#define SSHMUX_FLAG_TTY (1) /* Request tty on open */
	67	#define SSHMUX_FLAG_SUBSYS (1<<1) /* Subsystem request on open */
665a873d	68	#define SSHMUX_FLAG_X11_FWD (1<<2) /* Request X11 forwarding */
665a873d	69	#define SSHMUX_FLAG_AGENT_FWD (1<<3) /* Request agent forwarding */
22616013	70
	71	void muxserver_listen(void);
	72	int muxserver_accept_control(void);
	73	void muxclient(const char *);