483 lines
14 KiB
C
483 lines
14 KiB
C
/*
|
|
* Copyright (c) 1988, 1990, 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*
|
|
* @(#)externs.h 8.3 (Berkeley) 5/30/95
|
|
*/
|
|
|
|
#ifndef BSD
|
|
# define BSD 43
|
|
#endif
|
|
|
|
/*
|
|
* ucb stdio.h defines BSD as something wierd
|
|
*/
|
|
#if defined(sun) && defined(__svr4__)
|
|
#define BSD 43
|
|
#endif
|
|
|
|
#ifndef USE_TERMIO
|
|
# if BSD > 43 || defined(SYSV_TERMIO)
|
|
# define USE_TERMIO
|
|
# endif
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <setjmp.h>
|
|
#if defined(CRAY) && !defined(NO_BSD_SETJMP)
|
|
#include <bsdsetjmp.h>
|
|
#endif
|
|
#ifndef FILIO_H
|
|
#include <sys/ioctl.h>
|
|
#else
|
|
#include <sys/filio.h>
|
|
#endif
|
|
#ifdef CRAY
|
|
# include <errno.h>
|
|
#endif /* CRAY */
|
|
#ifdef USE_TERMIO
|
|
# ifndef VINTR
|
|
# ifdef SYSV_TERMIO
|
|
# include <sys/termio.h>
|
|
# else
|
|
# include <sys/termios.h>
|
|
# define termio termios
|
|
# endif
|
|
# endif
|
|
#endif
|
|
#if defined(NO_CC_T) || !defined(USE_TERMIO)
|
|
# if !defined(USE_TERMIO)
|
|
typedef char cc_t;
|
|
# else
|
|
typedef unsigned char cc_t;
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef NO_STRING_H
|
|
#include <string.h>
|
|
#else
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
#ifndef _POSIX_VDISABLE
|
|
# ifdef sun
|
|
# include <sys/param.h> /* pick up VDISABLE definition, mayby */
|
|
# endif
|
|
# ifdef VDISABLE
|
|
# define _POSIX_VDISABLE VDISABLE
|
|
# else
|
|
# define _POSIX_VDISABLE ((cc_t)'\377')
|
|
# endif
|
|
#endif
|
|
|
|
#define SUBBUFSIZE 256
|
|
|
|
#ifndef CRAY
|
|
extern int errno; /* outside this world */
|
|
#endif /* !CRAY */
|
|
|
|
#if !defined(P)
|
|
# ifdef __STDC__
|
|
# define P(x) x
|
|
# else
|
|
# define P(x) ()
|
|
# endif
|
|
#endif
|
|
|
|
extern int
|
|
autologin, /* Autologin enabled */
|
|
skiprc, /* Don't process the ~/.telnetrc file */
|
|
eight, /* use eight bit mode (binary in and/or out */
|
|
flushout, /* flush output */
|
|
connected, /* Are we connected to the other side? */
|
|
globalmode, /* Mode tty should be in */
|
|
In3270, /* Are we in 3270 mode? */
|
|
telnetport, /* Are we connected to the telnet port? */
|
|
localflow, /* Flow control handled locally */
|
|
restartany, /* If flow control, restart output on any character */
|
|
localchars, /* we recognize interrupt/quit */
|
|
donelclchars, /* the user has set "localchars" */
|
|
showoptions,
|
|
net, /* Network file descriptor */
|
|
tin, /* Terminal input file descriptor */
|
|
tout, /* Terminal output file descriptor */
|
|
crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
|
|
autoflush, /* flush output when interrupting? */
|
|
autosynch, /* send interrupt characters with SYNCH? */
|
|
SYNCHing, /* Is the stream in telnet SYNCH mode? */
|
|
donebinarytoggle, /* the user has put us in binary */
|
|
dontlecho, /* do we suppress local echoing right now? */
|
|
crmod,
|
|
netdata, /* Print out network data flow */
|
|
prettydump, /* Print "netdata" output in user readable format */
|
|
#if defined(unix)
|
|
#if defined(TN3270)
|
|
cursesdata, /* Print out curses data flow */
|
|
apitrace, /* Trace API transactions */
|
|
#endif /* defined(TN3270) */
|
|
termdata, /* Print out terminal data flow */
|
|
#endif /* defined(unix) */
|
|
debug; /* Debug level */
|
|
|
|
extern cc_t escape; /* Escape to command mode */
|
|
extern cc_t rlogin; /* Rlogin mode escape character */
|
|
#ifdef KLUDGELINEMODE
|
|
extern cc_t echoc; /* Toggle local echoing */
|
|
#endif
|
|
|
|
extern char
|
|
*prompt; /* Prompt for command. */
|
|
|
|
extern char
|
|
doopt[],
|
|
dont[],
|
|
will[],
|
|
wont[],
|
|
options[], /* All the little options */
|
|
*hostname; /* Who are we connected to? */
|
|
#ifdef ENCRYPTION
|
|
extern void (*encrypt_output) P((unsigned char *, int));
|
|
extern int (*decrypt_input) P((int));
|
|
#endif /* ENCRYPTION */
|
|
|
|
/*
|
|
* We keep track of each side of the option negotiation.
|
|
*/
|
|
|
|
#define MY_STATE_WILL 0x01
|
|
#define MY_WANT_STATE_WILL 0x02
|
|
#define MY_STATE_DO 0x04
|
|
#define MY_WANT_STATE_DO 0x08
|
|
|
|
/*
|
|
* Macros to check the current state of things
|
|
*/
|
|
|
|
#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
|
|
#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
|
|
#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
|
|
#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
|
|
|
|
#define my_state_is_dont(opt) (!my_state_is_do(opt))
|
|
#define my_state_is_wont(opt) (!my_state_is_will(opt))
|
|
#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
|
|
#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
|
|
|
|
#define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
|
|
#define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
|
|
#define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
|
|
#define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
|
|
|
|
#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
|
|
#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
|
|
#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
|
|
#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
|
|
|
|
/*
|
|
* Make everything symetrical
|
|
*/
|
|
|
|
#define HIS_STATE_WILL MY_STATE_DO
|
|
#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
|
|
#define HIS_STATE_DO MY_STATE_WILL
|
|
#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
|
|
|
|
#define his_state_is_do my_state_is_will
|
|
#define his_state_is_will my_state_is_do
|
|
#define his_want_state_is_do my_want_state_is_will
|
|
#define his_want_state_is_will my_want_state_is_do
|
|
|
|
#define his_state_is_dont my_state_is_wont
|
|
#define his_state_is_wont my_state_is_dont
|
|
#define his_want_state_is_dont my_want_state_is_wont
|
|
#define his_want_state_is_wont my_want_state_is_dont
|
|
|
|
#define set_his_state_do set_my_state_will
|
|
#define set_his_state_will set_my_state_do
|
|
#define set_his_want_state_do set_my_want_state_will
|
|
#define set_his_want_state_will set_my_want_state_do
|
|
|
|
#define set_his_state_dont set_my_state_wont
|
|
#define set_his_state_wont set_my_state_dont
|
|
#define set_his_want_state_dont set_my_want_state_wont
|
|
#define set_his_want_state_wont set_my_want_state_dont
|
|
|
|
|
|
extern FILE
|
|
*NetTrace; /* Where debugging output goes */
|
|
extern unsigned char
|
|
NetTraceFile[]; /* Name of file where debugging output goes */
|
|
extern void
|
|
SetNetTrace P((char *)); /* Function to change where debugging goes */
|
|
|
|
extern jmp_buf
|
|
peerdied,
|
|
toplevel; /* For error conditions. */
|
|
|
|
extern void
|
|
command P((int, char *, int)),
|
|
Dump P((int, unsigned char *, int)),
|
|
init_3270 P((void)),
|
|
printoption P((char *, int, int)),
|
|
printsub P((int, unsigned char *, int)),
|
|
sendnaws P((void)),
|
|
setconnmode P((int)),
|
|
setcommandmode P((void)),
|
|
setneturg P((void)),
|
|
sys_telnet_init P((void)),
|
|
telnet P((char *)),
|
|
tel_enter_binary P((int)),
|
|
TerminalFlushOutput P((void)),
|
|
TerminalNewMode P((int)),
|
|
TerminalRestoreState P((void)),
|
|
TerminalSaveState P((void)),
|
|
tninit P((void)),
|
|
upcase P((char *)),
|
|
willoption P((int)),
|
|
wontoption P((int));
|
|
|
|
extern void
|
|
send_do P((int, int)),
|
|
send_dont P((int, int)),
|
|
send_will P((int, int)),
|
|
send_wont P((int, int));
|
|
|
|
extern void
|
|
lm_will P((unsigned char *, int)),
|
|
lm_wont P((unsigned char *, int)),
|
|
lm_do P((unsigned char *, int)),
|
|
lm_dont P((unsigned char *, int)),
|
|
lm_mode P((unsigned char *, int, int));
|
|
|
|
extern void
|
|
slc_init P((void)),
|
|
slcstate P((void)),
|
|
slc_mode_export P((void)),
|
|
slc_mode_import P((int)),
|
|
slc_import P((int)),
|
|
slc_export P((void)),
|
|
slc P((unsigned char *, int)),
|
|
slc_check P((void)),
|
|
slc_start_reply P((void)),
|
|
slc_add_reply P((int, int, int)),
|
|
slc_end_reply P((void));
|
|
extern int
|
|
slc_update P((void));
|
|
|
|
extern void
|
|
env_opt P((unsigned char *, int)),
|
|
env_opt_start P((void)),
|
|
env_opt_start_info P((void)),
|
|
env_opt_add P((unsigned char *)),
|
|
env_opt_end P((int));
|
|
|
|
extern unsigned char
|
|
*env_default P((int, int)),
|
|
*env_getvalue P((unsigned char *));
|
|
|
|
extern int
|
|
get_status P((void)),
|
|
dosynch P((void));
|
|
|
|
extern cc_t
|
|
*tcval P((int));
|
|
|
|
#ifndef USE_TERMIO
|
|
|
|
extern struct tchars ntc;
|
|
extern struct ltchars nltc;
|
|
extern struct sgttyb nttyb;
|
|
|
|
# define termEofChar ntc.t_eofc
|
|
# define termEraseChar nttyb.sg_erase
|
|
# define termFlushChar nltc.t_flushc
|
|
# define termIntChar ntc.t_intrc
|
|
# define termKillChar nttyb.sg_kill
|
|
# define termLiteralNextChar nltc.t_lnextc
|
|
# define termQuitChar ntc.t_quitc
|
|
# define termSuspChar nltc.t_suspc
|
|
# define termRprntChar nltc.t_rprntc
|
|
# define termWerasChar nltc.t_werasc
|
|
# define termStartChar ntc.t_startc
|
|
# define termStopChar ntc.t_stopc
|
|
# define termForw1Char ntc.t_brkc
|
|
extern cc_t termForw2Char;
|
|
extern cc_t termAytChar;
|
|
|
|
# define termEofCharp (cc_t *)&ntc.t_eofc
|
|
# define termEraseCharp (cc_t *)&nttyb.sg_erase
|
|
# define termFlushCharp (cc_t *)&nltc.t_flushc
|
|
# define termIntCharp (cc_t *)&ntc.t_intrc
|
|
# define termKillCharp (cc_t *)&nttyb.sg_kill
|
|
# define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
|
|
# define termQuitCharp (cc_t *)&ntc.t_quitc
|
|
# define termSuspCharp (cc_t *)&nltc.t_suspc
|
|
# define termRprntCharp (cc_t *)&nltc.t_rprntc
|
|
# define termWerasCharp (cc_t *)&nltc.t_werasc
|
|
# define termStartCharp (cc_t *)&ntc.t_startc
|
|
# define termStopCharp (cc_t *)&ntc.t_stopc
|
|
# define termForw1Charp (cc_t *)&ntc.t_brkc
|
|
# define termForw2Charp (cc_t *)&termForw2Char
|
|
# define termAytCharp (cc_t *)&termAytChar
|
|
|
|
# else
|
|
|
|
extern struct termio new_tc;
|
|
|
|
# define termEofChar new_tc.c_cc[VEOF]
|
|
# define termEraseChar new_tc.c_cc[VERASE]
|
|
# define termIntChar new_tc.c_cc[VINTR]
|
|
# define termKillChar new_tc.c_cc[VKILL]
|
|
# define termQuitChar new_tc.c_cc[VQUIT]
|
|
|
|
# ifndef VSUSP
|
|
extern cc_t termSuspChar;
|
|
# else
|
|
# define termSuspChar new_tc.c_cc[VSUSP]
|
|
# endif
|
|
# if defined(VFLUSHO) && !defined(VDISCARD)
|
|
# define VDISCARD VFLUSHO
|
|
# endif
|
|
# ifndef VDISCARD
|
|
extern cc_t termFlushChar;
|
|
# else
|
|
# define termFlushChar new_tc.c_cc[VDISCARD]
|
|
# endif
|
|
# ifndef VWERASE
|
|
extern cc_t termWerasChar;
|
|
# else
|
|
# define termWerasChar new_tc.c_cc[VWERASE]
|
|
# endif
|
|
# ifndef VREPRINT
|
|
extern cc_t termRprntChar;
|
|
# else
|
|
# define termRprntChar new_tc.c_cc[VREPRINT]
|
|
# endif
|
|
# ifndef VLNEXT
|
|
extern cc_t termLiteralNextChar;
|
|
# else
|
|
# define termLiteralNextChar new_tc.c_cc[VLNEXT]
|
|
# endif
|
|
# ifndef VSTART
|
|
extern cc_t termStartChar;
|
|
# else
|
|
# define termStartChar new_tc.c_cc[VSTART]
|
|
# endif
|
|
# ifndef VSTOP
|
|
extern cc_t termStopChar;
|
|
# else
|
|
# define termStopChar new_tc.c_cc[VSTOP]
|
|
# endif
|
|
# ifndef VEOL
|
|
extern cc_t termForw1Char;
|
|
# else
|
|
# define termForw1Char new_tc.c_cc[VEOL]
|
|
# endif
|
|
# ifndef VEOL2
|
|
extern cc_t termForw2Char;
|
|
# else
|
|
# define termForw2Char new_tc.c_cc[VEOL]
|
|
# endif
|
|
# ifndef VSTATUS
|
|
extern cc_t termAytChar;
|
|
#else
|
|
# define termAytChar new_tc.c_cc[VSTATUS]
|
|
#endif
|
|
|
|
# if !defined(CRAY) || defined(__STDC__)
|
|
# define termEofCharp &termEofChar
|
|
# define termEraseCharp &termEraseChar
|
|
# define termIntCharp &termIntChar
|
|
# define termKillCharp &termKillChar
|
|
# define termQuitCharp &termQuitChar
|
|
# define termSuspCharp &termSuspChar
|
|
# define termFlushCharp &termFlushChar
|
|
# define termWerasCharp &termWerasChar
|
|
# define termRprntCharp &termRprntChar
|
|
# define termLiteralNextCharp &termLiteralNextChar
|
|
# define termStartCharp &termStartChar
|
|
# define termStopCharp &termStopChar
|
|
# define termForw1Charp &termForw1Char
|
|
# define termForw2Charp &termForw2Char
|
|
# define termAytCharp &termAytChar
|
|
# else
|
|
/* Work around a compiler bug */
|
|
# define termEofCharp 0
|
|
# define termEraseCharp 0
|
|
# define termIntCharp 0
|
|
# define termKillCharp 0
|
|
# define termQuitCharp 0
|
|
# define termSuspCharp 0
|
|
# define termFlushCharp 0
|
|
# define termWerasCharp 0
|
|
# define termRprntCharp 0
|
|
# define termLiteralNextCharp 0
|
|
# define termStartCharp 0
|
|
# define termStopCharp 0
|
|
# define termForw1Charp 0
|
|
# define termForw2Charp 0
|
|
# define termAytCharp 0
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/* Ring buffer structures which are shared */
|
|
|
|
extern Ring
|
|
netoring,
|
|
netiring,
|
|
ttyoring,
|
|
ttyiring;
|
|
|
|
/* Tn3270 section */
|
|
#if defined(TN3270)
|
|
|
|
extern int
|
|
HaveInput, /* Whether an asynchronous I/O indication came in */
|
|
noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
|
|
noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
|
|
sigiocount, /* Count of SIGIO receptions */
|
|
shell_active; /* Subshell is active */
|
|
|
|
extern char
|
|
*Ibackp, /* Oldest byte of 3270 data */
|
|
Ibuf[], /* 3270 buffer */
|
|
*Ifrontp, /* Where next 3270 byte goes */
|
|
tline[],
|
|
*transcom; /* Transparent command */
|
|
|
|
extern int
|
|
settranscom P((int, char**));
|
|
|
|
extern void
|
|
inputAvailable P((int));
|
|
#endif /* defined(TN3270) */
|