1*18de8d7fSPeter Avalos /* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */ 2*18de8d7fSPeter Avalos 3*18de8d7fSPeter Avalos /* 4*18de8d7fSPeter Avalos * Author: Tatu Ylonen <ylo@cs.hut.fi> 5*18de8d7fSPeter Avalos * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 6*18de8d7fSPeter Avalos * All rights reserved 7*18de8d7fSPeter Avalos * 8*18de8d7fSPeter Avalos * As far as I am concerned, the code I have written for this software 9*18de8d7fSPeter Avalos * can be used freely for any purpose. Any derived versions of this 10*18de8d7fSPeter Avalos * software must be clearly marked as such, and if the derived work is 11*18de8d7fSPeter Avalos * incompatible with the protocol description in the RFC file, it must be 12*18de8d7fSPeter Avalos * called by a name other than "ssh" or "Secure Shell". 13*18de8d7fSPeter Avalos */ 14*18de8d7fSPeter Avalos /* 15*18de8d7fSPeter Avalos * Copyright (c) 2001 Markus Friedl. All rights reserved. 16*18de8d7fSPeter Avalos * 17*18de8d7fSPeter Avalos * Redistribution and use in source and binary forms, with or without 18*18de8d7fSPeter Avalos * modification, are permitted provided that the following conditions 19*18de8d7fSPeter Avalos * are met: 20*18de8d7fSPeter Avalos * 1. Redistributions of source code must retain the above copyright 21*18de8d7fSPeter Avalos * notice, this list of conditions and the following disclaimer. 22*18de8d7fSPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 23*18de8d7fSPeter Avalos * notice, this list of conditions and the following disclaimer in the 24*18de8d7fSPeter Avalos * documentation and/or other materials provided with the distribution. 25*18de8d7fSPeter Avalos * 26*18de8d7fSPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 27*18de8d7fSPeter Avalos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28*18de8d7fSPeter Avalos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29*18de8d7fSPeter Avalos * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30*18de8d7fSPeter Avalos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 31*18de8d7fSPeter Avalos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32*18de8d7fSPeter Avalos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33*18de8d7fSPeter Avalos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34*18de8d7fSPeter Avalos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35*18de8d7fSPeter Avalos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36*18de8d7fSPeter Avalos */ 37*18de8d7fSPeter Avalos 38*18de8d7fSPeter Avalos #include <termios.h> 39*18de8d7fSPeter Avalos 40*18de8d7fSPeter Avalos /* Client side main loop for the interactive session. */ 41*18de8d7fSPeter Avalos int client_loop(int, int, int); 42*18de8d7fSPeter Avalos void client_x11_get_proto(const char *, const char *, u_int, 43*18de8d7fSPeter Avalos char **, char **); 44*18de8d7fSPeter Avalos void client_global_request_reply_fwd(int, u_int32_t, void *); 45*18de8d7fSPeter Avalos void client_session2_setup(int, int, int, const char *, struct termios *, 46*18de8d7fSPeter Avalos int, Buffer *, char **); 47*18de8d7fSPeter Avalos int client_request_tun_fwd(int, int, int); 48*18de8d7fSPeter Avalos 49*18de8d7fSPeter Avalos /* Escape filter for protocol 2 sessions */ 50*18de8d7fSPeter Avalos void *client_new_escape_filter_ctx(int); 51*18de8d7fSPeter Avalos void client_filter_cleanup(int, void *); 52*18de8d7fSPeter Avalos int client_simple_escape_filter(Channel *, char *, int); 53*18de8d7fSPeter Avalos 54*18de8d7fSPeter Avalos /* Global request confirmation callbacks */ 55*18de8d7fSPeter Avalos typedef void global_confirm_cb(int, u_int32_t seq, void *); 56*18de8d7fSPeter Avalos void client_register_global_confirm(global_confirm_cb *, void *); 57*18de8d7fSPeter Avalos 58*18de8d7fSPeter Avalos /* Multiplexing protocol version */ 59*18de8d7fSPeter Avalos #define SSHMUX_VER 2 60*18de8d7fSPeter Avalos 61*18de8d7fSPeter Avalos /* Multiplexing control protocol flags */ 62*18de8d7fSPeter Avalos #define SSHMUX_COMMAND_OPEN 1 /* Open new connection */ 63*18de8d7fSPeter Avalos #define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */ 64*18de8d7fSPeter Avalos #define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */ 65*18de8d7fSPeter Avalos 66*18de8d7fSPeter Avalos #define SSHMUX_FLAG_TTY (1) /* Request tty on open */ 67*18de8d7fSPeter Avalos #define SSHMUX_FLAG_SUBSYS (1<<1) /* Subsystem request on open */ 68*18de8d7fSPeter Avalos #define SSHMUX_FLAG_X11_FWD (1<<2) /* Request X11 forwarding */ 69*18de8d7fSPeter Avalos #define SSHMUX_FLAG_AGENT_FWD (1<<3) /* Request agent forwarding */ 70*18de8d7fSPeter Avalos 71*18de8d7fSPeter Avalos void muxserver_listen(void); 72*18de8d7fSPeter Avalos int muxserver_accept_control(void); 73*18de8d7fSPeter Avalos void muxclient(const char *); 74