/* $OpenBSD: clientloop.h,v 1.36 2018/07/09 21:03:30 markus 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> struct ssh; /* Client side main loop for the interactive session. */ int client_loop(struct ssh *, int, int, int); int client_x11_get_proto(struct ssh *, const char *, const char *, u_int, u_int, char **, char **); void client_global_request_reply_fwd(int, u_int32_t, void *); void client_session2_setup(struct ssh *, int, int, int, const char *, struct termios *, int, struct sshbuf *, char **); char *client_request_tun_fwd(struct ssh *, int, int, int); void client_stop_mux(void); /* Escape filter for protocol 2 sessions */ void *client_new_escape_filter_ctx(int); void client_filter_cleanup(struct ssh *, int, void *); int client_simple_escape_filter(struct ssh *, Channel *, char *, int); /* Global request confirmation callbacks */ typedef void global_confirm_cb(struct ssh *, int, u_int32_t, void *); void client_register_global_confirm(global_confirm_cb *, void *); /* Channel request confirmation callbacks */ enum confirm_action { CONFIRM_WARN = 0, CONFIRM_CLOSE, CONFIRM_TTY }; void client_expect_confirm(struct ssh *, int, const char *, enum confirm_action); /* Multiplexing protocol version */ #define SSHMUX_VER 4 /* 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_COMMAND_STDIO_FWD 4 /* Open stdio fwd (ssh -W) */ #define SSHMUX_COMMAND_FORWARD 5 /* Forward only, no command */ #define SSHMUX_COMMAND_STOP 6 /* Disable mux but not conn */ #define SSHMUX_COMMAND_CANCEL_FWD 7 /* Cancel forwarding(s) */ #define SSHMUX_COMMAND_PROXY 8 /* Open new connection */ void muxserver_listen(struct ssh *); int muxclient(const char *); void mux_exit_message(struct ssh *, Channel *, int); void mux_tty_alloc_failed(struct ssh *ssh, Channel *); |