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/*
* Copyright (c) 1988, 1990 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.
*
* from: @(#)externs.h 5.3 (Berkeley) 3/22/91
* $Id: externs.h,v 1.20 1999/08/19 09:34:15 dholland Exp $
*/
#ifndef BSD
#define BSD 43
#endif
#include <stdio.h>
#include <setjmp.h>
#include <sys/ioctl.h>
#include <features.h>
#include <termios.h>
#if defined(NO_CC_T)
typedef unsigned char cc_t;
#endif
#ifdef __linux__
#include <unistd.h> /* get _POSIX_VDISABLE */
#endif
#ifndef _POSIX_VDISABLE
#error "Please fix externs.h to define _POSIX_VDISABLE"
#endif
#define SUBBUFSIZE 256
extern int autologin; /* Autologin enabled */
extern int skiprc; /* Don't process the ~/.telnetrc file */
extern int eight; /* use eight bit mode (binary in and/or out */
extern int flushout; /* flush output */
extern int connected; /* Are we connected to the other side? */
extern int globalmode; /* Mode tty should be in */
extern int In3270; /* Are we in 3270 mode? */
extern int telnetport; /* Are we connected to the telnet port? */
extern int localflow; /* Flow control handled locally */
extern int localchars; /* we recognize interrupt/quit */
extern int donelclchars; /* the user has set "localchars" */
extern int showoptions;
extern int crlf; /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
extern int autoflush; /* flush output when interrupting? */
extern int autosynch; /* send interrupt characters with SYNCH? */
extern int SYNCHing; /* Is the stream in telnet SYNCH mode? */
extern int donebinarytoggle; /* the user has put us in binary */
extern int dontlecho; /* do we suppress local echoing right now? */
extern int crmod;
//extern int netdata; /* Print out network data flow */
//extern int prettydump; /* Print "netdata" output in user readable format */
extern int debug; /* Debug level */
#ifdef TN3270
extern int cursesdata; /* Print out curses data flow */
#endif /* unix and TN3270 */
extern cc_t escapechar; /* 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[];
extern char dont[];
extern char will[];
extern char wont[];
extern char options[]; /* All the little options */
extern char *hostname; /* Who are we connected to? */
/*
* 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 symmetric
*/
#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 char NetTraceFile[]; /* Name of file where debugging output goes */
void SetNetTrace(const char *); /* Function to change where debugging goes */
extern sigjmp_buf peerdied;
extern sigjmp_buf toplevel; /* For error conditions. */
void command(int, const char *, int);
void Dump (int, char *, int);
void init_3270 (void);
void printoption(const char *, int, int);
void printsub (int, unsigned char *, int);
void sendnaws (void);
void setconnmode(int);
void setcommandmode (void);
void setneturg (void);
void sys_telnet_init (void);
void telnet(const char *);
void tel_enter_binary(int);
void TerminalFlushOutput(void);
void TerminalNewMode(int);
void TerminalRestoreState(void);
void TerminalSaveState(void);
void tninit(void);
void upcase(char *);
void willoption(int);
void wontoption(int);
void lm_will(unsigned char *, int);
void lm_wont(unsigned char *, int);
void lm_do(unsigned char *, int);
void lm_dont(unsigned char *, int);
void lm_mode(unsigned char *, int, int);
void slc_init(void);
void slcstate(void);
void slc_mode_export(void);
void slc_mode_import(int);
void slc_import(int);
void slc_export(void);
void slc(unsigned char *, int);
void slc_check(void);
void slc_start_reply(void);
void slc_add_reply(int, int, int);
void slc_end_reply(void);
int slc_update(void);
void env_opt(unsigned char *, int);
void env_opt_start(void);
void env_opt_start_info(void);
void env_opt_add(const char *);
void env_opt_end(int);
int get_status(const char *, const char *);
int dosynch(void);
cc_t *tcval(int);
//#if 0
extern struct termios 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
//#endif /* 0 */
//#if 0
#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 /* 0 */
/* Ring buffer structures which are shared */
extern ringbuf netoring;
extern ringbuf netiring;
extern ringbuf ttyoring;
extern ringbuf ttyiring;
/* Tn3270 section */
#if defined(TN3270)
extern int HaveInput; /* Whether an asynchronous I/O indication came in */
extern int noasynchtty; /* Don't do signals on I/O (SIGURG, SIGIO) */
extern int noasynchnet; /* Don't do signals on I/O (SIGURG, SIGIO) */
extern int sigiocount; /* Count of SIGIO receptions */
extern int shell_active; /* Subshell is active */
extern char *Ibackp; /* Oldest byte of 3270 data */
extern char Ibuf[]; /* 3270 buffer */
extern char *Ifrontp; /* Where next 3270 byte goes */
extern char tline[];
extern char *transcom; /* Transparent command */
void settranscom(int, char**);
int shell(int, char**);
void inputAvailable(void);
#endif /* defined(TN3270) */
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