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/*
* 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 DIAGNOSTICS
extern int diagnostic; /* telnet diagnostic capabilities */
#endif /* DIAGNOSTICS */
extern int require_otp;
#ifdef AUTHENTICATION
extern int auth_level;
#endif
extern 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 ENCRYPTION
extern 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 STREAMSPTY
extern 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__ */
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