clientloop.h revision 181111
1218792Snp/* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */ 2218792Snp 3218792Snp/* 4218792Snp * Author: Tatu Ylonen <ylo@cs.hut.fi> 5218792Snp * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 6218792Snp * All rights reserved 7218792Snp * 8218792Snp * As far as I am concerned, the code I have written for this software 9218792Snp * can be used freely for any purpose. Any derived versions of this 10218792Snp * software must be clearly marked as such, and if the derived work is 11218792Snp * incompatible with the protocol description in the RFC file, it must be 12218792Snp * called by a name other than "ssh" or "Secure Shell". 13218792Snp */ 14218792Snp/* 15218792Snp * Copyright (c) 2001 Markus Friedl. All rights reserved. 16218792Snp * 17218792Snp * Redistribution and use in source and binary forms, with or without 18218792Snp * modification, are permitted provided that the following conditions 19218792Snp * are met: 20218792Snp * 1. Redistributions of source code must retain the above copyright 21218792Snp * notice, this list of conditions and the following disclaimer. 22218792Snp * 2. Redistributions in binary form must reproduce the above copyright 23218792Snp * notice, this list of conditions and the following disclaimer in the 24218792Snp * documentation and/or other materials provided with the distribution. 25218792Snp * 26218792Snp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 27218792Snp * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28218792Snp * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29218792Snp * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30218792Snp * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 31218792Snp * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32237925Snp * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33218792Snp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34218792Snp * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35218792Snp * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36218792Snp */ 37218792Snp 38237920Snp#include <termios.h> 39219286Snp 40219286Snp/* Client side main loop for the interactive session. */ 41265582Snpint client_loop(int, int, int); 42219286Snpvoid client_x11_get_proto(const char *, const char *, u_int, 43218792Snp char **, char **); 44231093Snpvoid client_global_request_reply_fwd(int, u_int32_t, void *); 45218792Snpvoid client_session2_setup(int, int, int, const char *, struct termios *, 46218792Snp int, Buffer *, char **); 47218792Snpint client_request_tun_fwd(int, int, int); 48218792Snp 49218792Snp/* Escape filter for protocol 2 sessions */ 50218792Snpvoid *client_new_escape_filter_ctx(int); 51237925Snpvoid client_filter_cleanup(int, void *); 52218792Snpint client_simple_escape_filter(Channel *, char *, int); 53262807Sdumbbell 54265582Snp/* Global request confirmation callbacks */ 55265582Snptypedef void global_confirm_cb(int, u_int32_t seq, void *); 56218792Snpvoid client_register_global_confirm(global_confirm_cb *, void *); 57218792Snp 58218792Snp/* Multiplexing protocol version */ 59218792Snp#define SSHMUX_VER 2 60218792Snp 61218792Snp/* Multiplexing control protocol flags */ 62252495Snp#define SSHMUX_COMMAND_OPEN 1 /* Open new connection */ 63252495Snp#define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */ 64252495Snp#define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */ 65252495Snp 66252495Snp#define SSHMUX_FLAG_TTY (1) /* Request tty on open */ 67252495Snp#define SSHMUX_FLAG_SUBSYS (1<<1) /* Subsystem request on open */ 68240169Snp#define SSHMUX_FLAG_X11_FWD (1<<2) /* Request X11 forwarding */ 69240169Snp#define SSHMUX_FLAG_AGENT_FWD (1<<3) /* Request agent forwarding */ 70240169Snp 71240169Snpvoid muxserver_listen(void); 72240169Snpint muxserver_accept_control(void); 73240169Snpvoid muxclient(const char *); 74218792Snp