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Annotation of src/usr.bin/ssh/clientloop.h, Revision 1.34

1.34    ! djm         1: /* $OpenBSD: clientloop.h,v 1.33 2016/09/30 09:19:13 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,
        !            48:            const char *, struct termios *, int, Buffer *, char **);
        !            49: int     client_request_tun_fwd(struct ssh *, int, int, int);
1.26      djm        50: void    client_stop_mux(void);
1.12      djm        51:
1.20      djm        52: /* Escape filter for protocol 2 sessions */
                     53: void   *client_new_escape_filter_ctx(int);
1.34    ! djm        54: void    client_filter_cleanup(struct ssh *, int, void *);
        !            55: int     client_simple_escape_filter(struct ssh *, Channel *, char *, int);
1.21      djm        56:
                     57: /* Global request confirmation callbacks */
1.34    ! djm        58: typedef void global_confirm_cb(struct ssh *, int, u_int32_t, void *);
1.21      djm        59: void    client_register_global_confirm(global_confirm_cb *, void *);
1.28      djm        60:
                     61: /* Channel request confirmation callbacks */
                     62: enum confirm_action { CONFIRM_WARN = 0, CONFIRM_CLOSE, CONFIRM_TTY };
1.34    ! djm        63: void client_expect_confirm(struct ssh *, int, const char *,
        !            64:     enum confirm_action);
1.20      djm        65:
1.14      djm        66: /* Multiplexing protocol version */
1.23      djm        67: #define SSHMUX_VER                     4
1.14      djm        68:
1.12      djm        69: /* Multiplexing control protocol flags */
                     70: #define SSHMUX_COMMAND_OPEN            1       /* Open new connection */
                     71: #define SSHMUX_COMMAND_ALIVE_CHECK     2       /* Check master is alive */
                     72: #define SSHMUX_COMMAND_TERMINATE       3       /* Ask master to exit */
1.23      djm        73: #define SSHMUX_COMMAND_STDIO_FWD       4       /* Open stdio fwd (ssh -W) */
1.24      markus     74: #define SSHMUX_COMMAND_FORWARD         5       /* Forward only, no command */
1.26      djm        75: #define SSHMUX_COMMAND_STOP            6       /* Disable mux but not conn */
1.29      djm        76: #define SSHMUX_COMMAND_CANCEL_FWD      7       /* Cancel forwarding(s) */
1.33      markus     77: #define SSHMUX_COMMAND_PROXY           8       /* Open new connection */
1.19      djm        78:
1.34    ! djm        79: void   muxserver_listen(struct ssh *);
1.33      markus     80: int    muxclient(const char *);
1.34    ! djm        81: void   mux_exit_message(struct ssh *, Channel *, int);
        !            82: void   mux_tty_alloc_failed(struct ssh *ssh, Channel *);
1.27      djm        83: