/* * 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. * *	@(#)ext.h	8.2 (Berkeley) 12/15/93 *//* $KTH: ext.h,v 1.22 2001/04/24 23:12:11 assar Exp $ */#ifndef __EXT_H__#define __EXT_H__#include <arpa/telnet.h>/* * Telnet server variable declarations */extern char	options[256];extern char	do_dont_resp[256];extern char	will_wont_resp[256];extern int	flowmode;	/* current flow control state */extern int	restartany;	/* restart output on any character state */#ifdef DIAGNOSTICSextern int	diagnostic;	/* telnet diagnostic capabilities */#endif /* DIAGNOSTICS */extern int	require_otp;#ifdef AUTHENTICATIONextern int	auth_level;#endifextern char *new_login;extern slcfun	slctab[NSLC + 1];	/* slc mapping table */extern char	terminaltype[41];/* * I/O data buffers, pointers, and counters. */extern char	ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;extern char	netibuf[BUFSIZ], *netip;extern char	netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;extern char	*neturg;		/* one past last bye of urgent data */extern int	pcc, ncc;extern int	ourpty, net;extern char	*line;extern int	SYNCHing;		/* we are in TELNET SYNCH mode */int telnet_net_write (unsigned char *str, int len);void net_encrypt (void);int telnet_spin (void);char *telnet_getenv (const char *val);char *telnet_gets (char *prompt, char *result, int length, int echo);void get_slc_defaults (void);void telrcv (void);void send_do (int option, int init);void willoption (int option);void send_dont (int option, int init);void wontoption (int option);void send_will (int option, int init);void dooption (int option);void send_wont (int option, int init);void dontoption (int option);void suboption (void);void doclientstat (void);void send_status (void);void init_termbuf (void);void set_termbuf (void);int spcset (int func, cc_t *valp, cc_t **valpp);void set_utid (void);int getpty (int *ptynum);int tty_isecho (void);int tty_flowmode (void);int tty_restartany (void);void tty_setecho (int on);int tty_israw (void);void tty_binaryin (int on);void tty_binaryout (int on);int tty_isbinaryin (void);int tty_isbinaryout (void);int tty_issofttab (void);void tty_setsofttab (int on);int tty_islitecho (void);void tty_setlitecho (int on);int tty_iscrnl (void);void tty_tspeed (int val);void tty_rspeed (int val);void getptyslave (void);int cleanopen (char *line);void startslave (const char *host, const char *, int autologin, char *autoname);void init_env (void);void start_login (const char *host, int autologin, char *name);void cleanup (int sig);int main (int argc, char **argv);int getterminaltype (char *name, size_t);void _gettermname (void);int terminaltypeok (char *s);void my_telnet (int f, int p, const char*, const char *, int, char*);void interrupt (void);void sendbrk (void);void sendsusp (void);void recv_ayt (void);void doeof (void);void flowstat (void);void clientstat (int code, int parm1, int parm2);int ttloop (void);int stilloob (int s);void ptyflush (void);char *nextitem (char *current);void netclear (void);void netflush (void);void writenet (unsigned char *ptr, int len);void fatal (int f, char *msg);void fatalperror (int f, const char *msg);void fatalperror_errno (int f, const char *msg, int error);void edithost (char *pat, char *host);void putstr (char *s);void putchr (int cc);void putf (char *cp, char *where);void printoption (char *fmt, int option);void printsub (int direction, unsigned char *pointer, int length);void printdata (char *tag, char *ptr, int cnt);int login_tty(int t);#ifdef ENCRYPTIONextern void	(*encrypt_output) (unsigned char *, int);extern int	(*decrypt_input) (int);extern char	*nclearto;#endif/* * The following are some clocks used to decide how to interpret * the relationship between various variables. */struct clocks_t{    int	system,			/* what the current time is */	echotoggle,		/* last time user entered echo character */	modenegotiated,		/* last time operating mode negotiated */	didnetreceive,		/* last time we read data from network */	ttypesubopt,		/* ttype subopt is received */	tspeedsubopt,		/* tspeed subopt is received */	environsubopt,		/* environ subopt is received */	oenvironsubopt,		/* old environ subopt is received */	xdisplocsubopt,		/* xdisploc subopt is received */	baseline,		/* time started to do timed action */	gotDM;			/* when did we last see a data mark */};extern struct clocks_t clocks;extern int log_unauth;extern int no_warn;#ifdef STREAMSPTYextern int really_stream;#endif#ifndef USE_IM# ifdef CRAY#  define USE_IM "Cray UNICOS (%h) (%t)"# endif# ifdef _AIX#  define USE_IM "%s %v.%r (%h) (%t)"# endif# ifndef USE_IM#  define USE_IM "%s %r (%h) (%t)"# endif#endif#define DEFAULT_IM "\r\n\r\n" USE_IM "\r\n\r\n\r\n"#endif /* __EXT_H__ */