NetBSD/libexec/telnetd/global.c

97 lines
3.3 KiB
C

/* $NetBSD: global.c,v 1.9 2020/04/23 00:03:40 joerg Exp $ */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)global.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: global.c,v 1.9 2020/04/23 00:03:40 joerg Exp $");
#endif
#endif /* not lint */
/*
* Allocate global variables. We do this
* by including the header file that defines
* them all as externs, but first we define
* the keyword "extern" to be nothing, so that
* we will actually allocate the space.
*/
#include <defs.h>
#include <ext.h>
char options[256];
char do_dont_resp[256];
char will_wont_resp[256];
int linemode; /* linemode on/off */
#ifdef LINEMODE
int uselinemode; /* what linemode to use (on/off) */
int editmode; /* edit modes in use */
int useeditmode; /* edit modes to use */
int alwayslinemode; /* command line option */
# ifdef KLUDGELINEMODE
int lmodetype; /* Client support for linemode */
# endif /* KLUDGELINEMODE */
#endif /* LINEMODE */
int flowmode; /* current flow control state */
int restartany; /* restart output on any character state */
#ifdef DIAGNOSTICS
int diagnostic; /* telnet diagnostic capabilities */
#endif /* DIAGNOSTICS */
#ifdef SECURELOGIN
int require_secure_login;
#endif
#ifdef AUTHENTICATION
int auth_level;
#endif
slcfun slctab[NSLC + 1]; /* slc mapping table */
char terminaltype[41];
/*
* I/O data buffers, pointers, and counters.
*/
char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
char netibuf[BUFSIZ], *netip;
char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
char *neturg; /* one past last bye of urgent data */
int pcc, ncc;
int pty, net;
char *line;
int SYNCHing; /* we are in TELNET SYNCH mode */
#ifdef ENCRYPTION
char *nclearto;
#endif /* ENCRYPTION */
struct clockstate clocks;