Annotation of src/usr.bin/ssh/clientloop.h, Revision 1.37
1.37 ! djm 1: /* $OpenBSD: clientloop.h,v 1.36 2018/07/09 21:03:30 markus Exp $ */
1.3 niklas 2:
1.1 markus 3: /*
1.2 markus 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: /*
1.1 markus 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: */
1.15 stevesk 37:
38: #include <termios.h>
1.2 markus 39:
1.34 djm 40: struct ssh;
41:
1.2 markus 42: /* Client side main loop for the interactive session. */
1.34 djm 43: int client_loop(struct ssh *, int, int, int);
44: int client_x11_get_proto(struct ssh *, const char *, const char *,
45: u_int, u_int, char **, char **);
1.8 markus 46: void client_global_request_reply_fwd(int, u_int32_t, void *);
1.34 djm 47: void client_session2_setup(struct ssh *, int, int, int,
1.36 markus 48: const char *, struct termios *, int, struct sshbuf *, char **);
1.37 ! djm 49: char *client_request_tun_fwd(struct ssh *, int, int, int,
! 50: channel_open_fn *, void *);
1.26 djm 51: void client_stop_mux(void);
1.12 djm 52:
1.20 djm 53: /* Escape filter for protocol 2 sessions */
54: void *client_new_escape_filter_ctx(int);
1.34 djm 55: void client_filter_cleanup(struct ssh *, int, void *);
56: int client_simple_escape_filter(struct ssh *, Channel *, char *, int);
1.21 djm 57:
58: /* Global request confirmation callbacks */
1.34 djm 59: typedef void global_confirm_cb(struct ssh *, int, u_int32_t, void *);
1.21 djm 60: void client_register_global_confirm(global_confirm_cb *, void *);
1.28 djm 61:
62: /* Channel request confirmation callbacks */
63: enum confirm_action { CONFIRM_WARN = 0, CONFIRM_CLOSE, CONFIRM_TTY };
1.34 djm 64: void client_expect_confirm(struct ssh *, int, const char *,
65: enum confirm_action);
1.20 djm 66:
1.14 djm 67: /* Multiplexing protocol version */
1.23 djm 68: #define SSHMUX_VER 4
1.14 djm 69:
1.12 djm 70: /* Multiplexing control protocol flags */
71: #define SSHMUX_COMMAND_OPEN 1 /* Open new connection */
72: #define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */
73: #define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */
1.23 djm 74: #define SSHMUX_COMMAND_STDIO_FWD 4 /* Open stdio fwd (ssh -W) */
1.24 markus 75: #define SSHMUX_COMMAND_FORWARD 5 /* Forward only, no command */
1.26 djm 76: #define SSHMUX_COMMAND_STOP 6 /* Disable mux but not conn */
1.29 djm 77: #define SSHMUX_COMMAND_CANCEL_FWD 7 /* Cancel forwarding(s) */
1.33 markus 78: #define SSHMUX_COMMAND_PROXY 8 /* Open new connection */
1.19 djm 79:
1.34 djm 80: void muxserver_listen(struct ssh *);
1.33 markus 81: int muxclient(const char *);
1.34 djm 82: void mux_exit_message(struct ssh *, Channel *, int);
83: void mux_tty_alloc_failed(struct ssh *ssh, Channel *);
1.27 djm 84: