209 lines
6.5 KiB
C
209 lines
6.5 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ext.h 8.2 (Berkeley) 12/15/93
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*/
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/* $Id: ext.h,v 1.23 2001/08/29 00:45:22 assar Exp $ */
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#ifndef __EXT_H__
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#define __EXT_H__
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/*
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* Telnet server variable declarations
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*/
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extern char options[256];
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extern char do_dont_resp[256];
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extern char will_wont_resp[256];
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extern int flowmode; /* current flow control state */
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extern int restartany; /* restart output on any character state */
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#ifdef DIAGNOSTICS
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extern int diagnostic; /* telnet diagnostic capabilities */
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#endif /* DIAGNOSTICS */
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extern int require_otp;
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#ifdef AUTHENTICATION
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extern int auth_level;
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#endif
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extern const char *new_login;
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extern slcfun slctab[NSLC + 1]; /* slc mapping table */
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extern char *terminaltype;
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/*
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* I/O data buffers, pointers, and counters.
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*/
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extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
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extern char netibuf[BUFSIZ], *netip;
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extern char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
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extern char *neturg; /* one past last bye of urgent data */
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extern int pcc, ncc;
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extern int ourpty, net;
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extern char *line;
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extern int SYNCHing; /* we are in TELNET SYNCH mode */
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int telnet_net_write (unsigned char *str, int len);
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void net_encrypt (void);
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int telnet_spin (void);
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char *telnet_getenv (const char *val);
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char *telnet_gets (char *prompt, char *result, int length, int echo);
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void get_slc_defaults (void);
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void telrcv (void);
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void send_do (int option, int init);
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void willoption (int option);
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void send_dont (int option, int init);
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void wontoption (int option);
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void send_will (int option, int init);
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void dooption (int option);
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void send_wont (int option, int init);
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void dontoption (int option);
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void suboption (void);
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void doclientstat (void);
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void send_status (void);
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void init_termbuf (void);
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void set_termbuf (void);
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int spcset (int func, cc_t *valp, cc_t **valpp);
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void set_utid (void);
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int getpty (int *ptynum);
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int tty_isecho (void);
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int tty_flowmode (void);
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int tty_restartany (void);
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void tty_setecho (int on);
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int tty_israw (void);
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void tty_binaryin (int on);
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void tty_binaryout (int on);
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int tty_isbinaryin (void);
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int tty_isbinaryout (void);
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int tty_issofttab (void);
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void tty_setsofttab (int on);
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int tty_islitecho (void);
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void tty_setlitecho (int on);
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int tty_iscrnl (void);
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void tty_tspeed (int val);
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void tty_rspeed (int val);
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void getptyslave (void);
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int cleanopen (char *line);
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void startslave (const char *host, const char *, int autologin, char *autoname);
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void init_env (void);
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void start_login (const char *host, int autologin, char *name);
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void cleanup (int sig);
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int main (int argc, char **argv);
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int getterminaltype (char *name, size_t);
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void _gettermname (void);
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int terminaltypeok (char *s);
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void my_telnet (int f, int p, const char*, const char *, int, char*);
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void interrupt (void);
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void sendbrk (void);
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void sendsusp (void);
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void recv_ayt (void);
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void doeof (void);
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void flowstat (void);
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void clientstat (int code, int parm1, int parm2);
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int ttloop (void);
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int stilloob (int s);
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void ptyflush (void);
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char *nextitem (char *current);
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void netclear (void);
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void netflush (void);
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void writenet (unsigned char *ptr, int len);
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void fatal (int f, char *msg);
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void fatalperror (int f, const char *msg);
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void fatalperror_errno (int f, const char *msg, int error);
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void edithost (char *pat, char *host);
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void putstr (char *s);
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void putchr (int cc);
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void putf (char *cp, char *where);
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void printoption (char *fmt, int option);
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void printsub (int direction, unsigned char *pointer, int length);
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void printdata (char *tag, char *ptr, int cnt);
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int login_tty(int t);
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#ifdef ENCRYPTION
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extern void (*encrypt_output) (unsigned char *, int);
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extern int (*decrypt_input) (int);
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extern char *nclearto;
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#endif
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/*
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* The following are some clocks used to decide how to interpret
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* the relationship between various variables.
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*/
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struct clocks_t{
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int
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system, /* what the current time is */
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echotoggle, /* last time user entered echo character */
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modenegotiated, /* last time operating mode negotiated */
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didnetreceive, /* last time we read data from network */
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ttypesubopt, /* ttype subopt is received */
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tspeedsubopt, /* tspeed subopt is received */
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environsubopt, /* environ subopt is received */
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oenvironsubopt, /* old environ subopt is received */
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xdisplocsubopt, /* xdisploc subopt is received */
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baseline, /* time started to do timed action */
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gotDM; /* when did we last see a data mark */
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};
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extern struct clocks_t clocks;
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extern int log_unauth;
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extern int no_warn;
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extern int def_tspeed, def_rspeed;
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#ifdef TIOCSWINSZ
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extern int def_row, def_col;
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#endif
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#ifdef STREAMSPTY
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extern int really_stream;
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#endif
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#ifndef USE_IM
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# ifdef CRAY
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# define USE_IM "Cray UNICOS (%h) (%t)"
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# endif
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# ifdef _AIX
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# define USE_IM "%s %v.%r (%h) (%t)"
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# endif
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# ifndef USE_IM
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# define USE_IM "%s %r (%h) (%t)"
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# endif
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#endif
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#define DEFAULT_IM "\r\n\r\n" USE_IM "\r\n\r\n\r\n"
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#endif /* __EXT_H__ */
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