| /* $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 *); |
| |
