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5156b1a1 | 1 | /* $OpenBSD: clientloop.h,v 1.22 2008/06/12 15:19:17 djm Exp $ */ |
3c0ef626 | 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 | ||
30460aeb | 38 | #include <termios.h> |
39 | ||
3c0ef626 | 40 | /* Client side main loop for the interactive session. */ |
41 | int client_loop(int, int, int); | |
a7213e65 | 42 | void client_x11_get_proto(const char *, const char *, u_int, |
43 | char **, char **); | |
44 | void client_global_request_reply_fwd(int, u_int32_t, void *); | |
45 | void client_session2_setup(int, int, int, const char *, struct termios *, | |
5156b1a1 | 46 | int, Buffer *, char **); |
fa0f0f45 | 47 | int client_request_tun_fwd(int, int, int); |
a7213e65 | 48 | |
5156b1a1 | 49 | /* Escape filter for protocol 2 sessions */ |
50 | void *client_new_escape_filter_ctx(int); | |
51 | void client_filter_cleanup(int, void *); | |
52 | int client_simple_escape_filter(Channel *, char *, int); | |
53 | ||
54 | /* Global request confirmation callbacks */ | |
55 | typedef void global_confirm_cb(int, u_int32_t seq, void *); | |
56 | void client_register_global_confirm(global_confirm_cb *, void *); | |
57 | ||
a7213e65 | 58 | /* Multiplexing protocol version */ |
5156b1a1 | 59 | #define SSHMUX_VER 2 |
a7213e65 | 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 */ | |
a7213e65 | 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 */ | |
5156b1a1 | 70 | |
71 | void muxserver_listen(void); | |
72 | int muxserver_accept_control(void); | |
73 | void muxclient(const char *); |