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ext.h revision 1.1
      1 /*
      2  * Copyright (c) 1989 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	@(#)ext.h	5.7 (Berkeley) 3/1/91
     34  */
     35 
     36 /*
     37  * Telnet server variable declarations
     38  */
     39 extern char	options[256];
     40 extern char	do_dont_resp[256];
     41 extern char	will_wont_resp[256];
     42 extern int	linemode;	/* linemode on/off */
     43 #ifdef	LINEMODE
     44 extern int	uselinemode;	/* what linemode to use (on/off) */
     45 extern int	editmode;	/* edit modes in use */
     46 extern int	useeditmode;	/* edit modes to use */
     47 extern int	alwayslinemode;	/* command line option */
     48 # ifdef	KLUDGELINEMODE
     49 extern int	lmodetype;	/* Client support for linemode */
     50 # endif	/* KLUDGELINEMODE */
     51 #endif	/* LINEMODE */
     52 extern int	flowmode;	/* current flow control state */
     53 #ifdef DIAGNOSTICS
     54 extern int	diagnostic;	/* telnet diagnostic capabilities */
     55 #endif /* DIAGNOSTICS */
     56 #ifdef BFTPDAEMON
     57 extern int	bftpd;		/* behave as bftp daemon */
     58 #endif /* BFTPDAEMON */
     59 #if	defined(SecurID)
     60 extern int	require_SecurID;
     61 #endif
     62 #if	defined(AUTHENTICATE)
     63 extern int	auth_level;
     64 #endif
     65 
     66 extern slcfun	slctab[NSLC + 1];	/* slc mapping table */
     67 
     68 char	*terminaltype;
     69 
     70 /*
     71  * I/O data buffers, pointers, and counters.
     72  */
     73 extern char	ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
     74 
     75 extern char	netibuf[BUFSIZ], *netip;
     76 
     77 extern char	netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
     78 extern char	*neturg;		/* one past last bye of urgent data */
     79 
     80 extern int	pcc, ncc;
     81 
     82 #if defined(CRAY2) && defined(UNICOS5)
     83 extern int unpcc;  /* characters left unprocessed by CRAY-2 terminal routine */
     84 extern char *unptyip;  /* pointer to remaining characters in buffer */
     85 #endif
     86 
     87 extern int	pty, net;
     88 extern char	*line;
     89 extern int	SYNCHing;		/* we are in TELNET SYNCH mode */
     90 
     91 #ifndef	P
     92 # ifdef	__STDC__
     93 #  define P(x)	x
     94 # else
     95 #  define P(x)	()
     96 # endif
     97 #endif
     98 
     99 extern void
    100 	_termstat P((void)),
    101 	add_slc P((int, int, int)),
    102 	check_slc P((void)),
    103 	change_slc P((int, int, int)),
    104 	cleanup P((int)),
    105 	clientstat P((int, int, int)),
    106 	copy_termbuf P((char *, int)),
    107 	deferslc P((void)),
    108 	defer_terminit P((void)),
    109 	do_opt_slc P((unsigned char *, int)),
    110 	doeof P((void)),
    111 	dooption P((int)),
    112 	dontoption P((int)),
    113 	edithost P((char *, char *)),
    114 	fatal P((int, char *)),
    115 	fatalperror P((int, char *)),
    116 	get_slc_defaults P((void)),
    117 	init_env P((void)),
    118 	init_termbuf P((void)),
    119 	interrupt P((void)),
    120 	localstat P((void)),
    121 	netclear P((void)),
    122 	netflush P((void)),
    123 #ifdef DIAGNOSTICS
    124 	printoption P((char *, int)),
    125 	printdata P((char *, char *, int)),
    126 	printsub P((int, unsigned char *, int)),
    127 #endif
    128 	ptyflush P((void)),
    129 	putchr P((int)),
    130 	putf P((char *, char *)),
    131 	recv_ayt P((void)),
    132 	send_do P((int, int)),
    133 	send_dont P((int, int)),
    134 	send_slc P((void)),
    135 	send_status P((void)),
    136 	send_will P((int, int)),
    137 	send_wont P((int, int)),
    138 	sendbrk P((void)),
    139 	sendsusp P((void)),
    140 	set_termbuf P((void)),
    141 	start_login P((char *, int, char *)),
    142 	start_slc P((int)),
    143 #if	defined(AUTHENTICATE)
    144 	start_slave P((char *)),
    145 #else
    146 	start_slave P((char *, int, char *)),
    147 #endif
    148 	suboption P((void)),
    149 	telrcv P((void)),
    150 	ttloop P((void)),
    151 	tty_binaryin P((int)),
    152 	tty_binaryout P((int));
    153 
    154 extern int
    155 	end_slc P((unsigned char **)),
    156 	getnpty P((void)),
    157 	getpty P((void)),
    158 	login_tty P((int)),
    159 	spcset P((int, cc_t *, cc_t **)),
    160 	stilloob P((int)),
    161 	terminit P((void)),
    162 	termstat P((void)),
    163 	tty_flowmode P((void)),
    164 	tty_isbinaryin P((void)),
    165 	tty_isbinaryout P((void)),
    166 	tty_iscrnl P((void)),
    167 	tty_isecho P((void)),
    168 	tty_isediting P((void)),
    169 	tty_islitecho P((void)),
    170 	tty_isnewmap P((void)),
    171 	tty_israw P((void)),
    172 	tty_issofttab P((void)),
    173 	tty_istrapsig P((void)),
    174 	tty_linemode P((void));
    175 
    176 extern void
    177 	tty_rspeed P((int)),
    178 	tty_setecho P((int)),
    179 	tty_setedit P((int)),
    180 	tty_setlinemode P((int)),
    181 	tty_setlitecho P((int)),
    182 	tty_setsig P((int)),
    183 	tty_setsofttab P((int)),
    184 	tty_tspeed P((int)),
    185 	willoption P((int)),
    186 	wontoption P((int)),
    187 	writenet P((unsigned char *, int));
    188 
    189 #if	defined(ENCRYPT)
    190 extern void	(*encrypt_output) P((unsigned char *, int));
    191 extern int	(*decrypt_input) P((int));
    192 extern char	*nclearto;
    193 #endif
    194 
    195 
    196 /*
    197  * The following are some clocks used to decide how to interpret
    198  * the relationship between various variables.
    199  */
    200 
    201 extern struct {
    202     int
    203 	system,			/* what the current time is */
    204 	echotoggle,		/* last time user entered echo character */
    205 	modenegotiated,		/* last time operating mode negotiated */
    206 	didnetreceive,		/* last time we read data from network */
    207 	ttypesubopt,		/* ttype subopt is received */
    208 	tspeedsubopt,		/* tspeed subopt is received */
    209 	environsubopt,		/* environ subopt is received */
    210 	xdisplocsubopt,		/* xdisploc subopt is received */
    211 	baseline,		/* time started to do timed action */
    212 	gotDM;			/* when did we last see a data mark */
    213 } clocks;
    214 
    215 
    216 #if	defined(CRAY2) && defined(UNICOS5)
    217 extern int	needtermstat;
    218 #endif
    219 
    220 #ifndef	CRAY
    221 #define DEFAULT_IM	"\r\n\r\n4.3 BSD UNIX (%h) (%t)\r\n\r\r\n\r"
    222 #else
    223 #define DEFAULT_IM	"\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"
    224 #endif
    225