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dbee4119b5
refactor channels.c Move static state to a "struct ssh_channels" that is allocated at runtime and tracked as a member of struct ssh. Explicitly pass "struct ssh" to all channels functions. Replace use of the legacy packet APIs in channels.c. Rework sshd_config PermitOpen handling: previously the configuration parser would call directly into the channels layer. After the refactor this is not possible, as the channels structures are allocated at connection time and aren't available when the configuration is parsed. The server config parser now tracks PermitOpen itself and explicitly configures the channels code later. ok markus@ Upstream-ID: 11828f161656b965cc306576422613614bea2d8f
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* $OpenBSD: session.h,v 1.35 2017/09/12 06:32:07 djm Exp $ */
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/*
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* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SESSION_H
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#define SESSION_H
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#define TTYSZ 64
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typedef struct Session Session;
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struct Session {
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int used;
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int self;
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int next_unused;
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struct passwd *pw;
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Authctxt *authctxt;
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pid_t pid;
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/* tty */
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char *term;
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int ptyfd, ttyfd, ptymaster;
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u_int row, col, xpixel, ypixel;
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char tty[TTYSZ];
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/* X11 */
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u_int display_number;
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char *display;
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u_int screen;
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char *auth_display;
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char *auth_proto;
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char *auth_data;
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int single_connection;
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int chanid;
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int *x11_chanids;
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int is_subsystem;
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char *subsys;
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u_int num_env;
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struct {
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char *name;
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char *val;
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} *env;
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};
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void do_authenticated(struct ssh *, Authctxt *);
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void do_cleanup(struct ssh *, Authctxt *);
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int session_open(Authctxt *, int);
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void session_unused(int);
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int session_input_channel_req(struct ssh *, Channel *, const char *);
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void session_close_by_pid(struct ssh *ssh, pid_t, int);
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void session_close_by_channel(struct ssh *, int, void *);
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void session_destroy_all(struct ssh *, void (*)(Session *));
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void session_pty_cleanup2(Session *);
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Session *session_new(void);
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Session *session_by_tty(char *);
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void session_close(struct ssh *, Session *);
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void do_setusercontext(struct passwd *);
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const char *session_get_remote_name_or_ip(struct ssh *, u_int, int);
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#endif
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