clientloop.h revision 181111
1/* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */ 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 38#include <termios.h> 39 40/* Client side main loop for the interactive session. */ 41int client_loop(int, int, int); 42void client_x11_get_proto(const char *, const char *, u_int, 43 char **, char **); 44void client_global_request_reply_fwd(int, u_int32_t, void *); 45void client_session2_setup(int, int, int, const char *, struct termios *, 46 int, Buffer *, char **); 47int client_request_tun_fwd(int, int, int); 48 49/* Escape filter for protocol 2 sessions */ 50void *client_new_escape_filter_ctx(int); 51void client_filter_cleanup(int, void *); 52int client_simple_escape_filter(Channel *, char *, int); 53 54/* Global request confirmation callbacks */ 55typedef void global_confirm_cb(int, u_int32_t seq, void *); 56void client_register_global_confirm(global_confirm_cb *, void *); 57 58/* Multiplexing protocol version */ 59#define SSHMUX_VER 2 60 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 */ 68#define SSHMUX_FLAG_X11_FWD (1<<2) /* Request X11 forwarding */ 69#define SSHMUX_FLAG_AGENT_FWD (1<<3) /* Request agent forwarding */ 70 71void muxserver_listen(void); 72int muxserver_accept_control(void); 73void muxclient(const char *); 74