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tip.h revision 1.8
      1 /*	$NetBSD: tip.h,v 1.8 1997/11/22 07:28:48 lukem Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *      @(#)tip.h	8.1 (Berkeley) 6/6/93
     37  */
     38 
     39 /*
     40  * tip - terminal interface program
     41  */
     42 
     43 #include <sys/types.h>
     44 #include <sys/dir.h>
     45 #include <sys/file.h>
     46 #include <sys/ioctl.h>
     47 #include <sys/param.h>
     48 #include <sys/time.h>
     49 #include <sys/wait.h>
     50 #include <machine/endian.h>
     51 
     52 #include <ctype.h>
     53 #include <err.h>
     54 #include <errno.h>
     55 #include <libgen.h>
     56 #include <pwd.h>
     57 #include <setjmp.h>
     58 #include <signal.h>
     59 #include <stdio.h>
     60 #include <stdlib.h>
     61 #include <string.h>
     62 #include <termios.h>
     63 #include <unistd.h>
     64 
     65 /*
     66  * Remote host attributes
     67  */
     68 char	*DV;			/* UNIX device(s) to open */
     69 char	*EL;			/* chars marking an EOL */
     70 char	*CM;			/* initial connection message */
     71 char	*IE;			/* EOT to expect on input */
     72 char	*OE;			/* EOT to send to complete FT */
     73 char	*CU;			/* call unit if making a phone call */
     74 char	*AT;			/* acu type */
     75 char	*PN;			/* phone number(s) */
     76 char	*DI;			/* disconnect string */
     77 char	*PA;			/* parity to be generated */
     78 
     79 char	*PH;			/* phone number file */
     80 char	*RM;			/* remote file name */
     81 char	*HO;			/* host name */
     82 
     83 long	BR;			/* line speed for conversation */
     84 long	FS;			/* frame size for transfers */
     85 
     86 int	DU;			/* this host is dialed up */
     87 int	HW;			/* this device is hardwired, see hunt.c */
     88 char	*ES;			/* escape character */
     89 char	*EX;			/* exceptions */
     90 char	*FO;			/* force (literal next) char*/
     91 char	*RC;			/* raise character */
     92 char	*RE;			/* script record file */
     93 char	*PR;			/* remote prompt */
     94 long	DL;			/* line delay for file transfers to remote */
     95 long	CL;			/* char delay for file transfers to remote */
     96 long	ET;			/* echocheck timeout */
     97 int	HD;			/* this host is half duplex - do local echo */
     98 char	DC;			/* this host is directly connected. */
     99 
    100 /*
    101  * String value table
    102  */
    103 typedef
    104 	struct {
    105 		char	*v_name;	/* whose name is it */
    106 		char	v_type;		/* for interpreting set's */
    107 		char	v_access;	/* protection of touchy ones */
    108 		char	*v_abrev;	/* possible abreviation */
    109 		char	*v_value;	/* casted to a union later */
    110 				/*
    111 				 * XXX:	this assumes that the storage space
    112 				 *	of a pointer >= that of a long
    113 				 */
    114 	}
    115 	value_t;
    116 
    117 #define STRING	01		/* string valued */
    118 #define BOOL	02		/* true-false value */
    119 #define NUMBER	04		/* numeric value */
    120 #define CHAR	010		/* character value */
    121 
    122 #define WRITE	01		/* write access to variable */
    123 #define	READ	02		/* read access */
    124 
    125 #define CHANGED	01		/* low bit is used to show modification */
    126 #define PUBLIC	1		/* public access rights */
    127 #define PRIVATE	03		/* private to definer */
    128 #define ROOT	05		/* root defined */
    129 
    130 #define	TRUE	1
    131 #define FALSE	0
    132 
    133 #define ENVIRON	020		/* initialize out of the environment */
    134 #define IREMOTE	040		/* initialize out of remote structure */
    135 #define INIT	0100		/* static data space used for initialization */
    136 #define TMASK	017
    137 
    138 /*
    139  * Definition of ACU line description
    140  */
    141 typedef
    142 	struct {
    143 		char	*acu_name;
    144 		int	(*acu_dialer) __P((char *, char *));
    145 		void	(*acu_disconnect) __P((void));
    146 		void	(*acu_abort) __P((void));
    147 	}
    148 	acu_t;
    149 
    150 #define	equal(a, b)	(strcmp(a,b)==0)/* A nice function to string compare */
    151 
    152 /*
    153  * variable manipulation stuff --
    154  *   if we defined the value entry in value_t, then we couldn't
    155  *   initialize it in vars.c, so we cast it as needed to keep lint
    156  *   happy.
    157  */
    158 
    159 #define value(v)	vtable[v].v_value
    160 
    161 #define	number(v)	((long)(v))
    162 #define	boolean(v)	((short)(long)(v))
    163 #define	character(v)	((char)(long)(v))
    164 #define	address(v)	((long *)(v))
    165 
    166 #define	setnumber(v,n)		do { (v) = (char *)(long)(n); } while (0)
    167 #define	setboolean(v,n)		do { (v) = (char *)(long)(n); } while (0)
    168 #define	setcharacter(v,n)	do { (v) = (char *)(long)(n); } while (0)
    169 #define	setaddress(v,n)		do { (v) = (char *)(n); } while (0)
    170 
    171 /*
    172  * Escape command table definitions --
    173  *   lookup in this table is performed when ``escapec'' is recognized
    174  *   at the begining of a line (as defined by the eolmarks variable).
    175 */
    176 
    177 typedef
    178 	struct {
    179 		char	e_char;			/* char to match on */
    180 		char	e_flags;		/* experimental, priviledged */
    181 		char	*e_help;		/* help string */
    182 		void 	(*e_func) __P((char));	/* command */
    183 	}
    184 	esctable_t;
    185 
    186 #define NORM	00		/* normal protection, execute anyone */
    187 #define EXP	01		/* experimental, mark it with a `*' on help */
    188 #define PRIV	02		/* priviledged, root execute only */
    189 
    190 extern int	vflag;		/* verbose during reading of .tiprc file */
    191 extern value_t	vtable[];	/* variable table */
    192 
    193 #ifndef ACULOG
    194 #define logent(a, b, c, d)
    195 #define loginit()
    196 #endif
    197 
    198 /*
    199  * Definition of indices into variable table so
    200  *  value(DEFINE) turns into a static address.
    201  *
    202  * XXX: keep in sync with vtable[] in vars.c
    203  */
    204 
    205 #define BEAUTIFY	0
    206 #define BAUDRATE	1
    207 #define DIALTIMEOUT	2
    208 #define EOFREAD		3
    209 #define EOFWRITE	4
    210 #define EOL		5
    211 #define ESCAPE		6
    212 #define EXCEPTIONS	7
    213 #define FORCE		8
    214 #define FRAMESIZE	9
    215 #define HOST		10
    216 #define LOG		11
    217 #define PHONES		12
    218 #define PROMPT		13
    219 #define RAISE		14
    220 #define RAISECHAR	15
    221 #define RECORD		16
    222 #define REMOTE		17
    223 #define SCRIPT		18
    224 #define TABEXPAND	19
    225 #define VERBOSE		20
    226 #define SHELL		21
    227 #define HOME		22
    228 #define ECHOCHECK	23
    229 #define DISCONNECT	24
    230 #define TAND		25
    231 #define LDELAY		26
    232 #define CDELAY		27
    233 #define ETIMEOUT	28
    234 #define RAWFTP		29
    235 #define HALFDUPLEX	30
    236 #define	LECHO		31
    237 #define	PARITY		32
    238 
    239 struct termios	term;		/* current mode of terminal */
    240 struct termios	defterm;	/* initial mode of terminal */
    241 struct termios	defchars;	/* current mode with initial chars */
    242 
    243 FILE	*fscript;		/* FILE for scripting */
    244 
    245 int	fildes[2];		/* file transfer synchronization channel */
    246 int	repdes[2];		/* read process sychronization channel */
    247 int	FD;			/* open file descriptor to remote host */
    248 int	AC;			/* open file descriptor to dialer (v831 only) */
    249 int	vflag;			/* print .tiprc initialization sequence */
    250 int	sfd;			/* for ~< operation */
    251 int	pid;			/* pid of tipout */
    252 uid_t	uid, euid;		/* real and effective user id's */
    253 gid_t	gid, egid;		/* real and effective group id's */
    254 int	stop;			/* stop transfer session flag */
    255 int	quit;			/* same; but on other end */
    256 int	intflag;		/* recognized interrupt */
    257 int	stoprompt;		/* for interrupting a prompt session */
    258 int	timedout;		/* ~> transfer timedout */
    259 int	cumode;			/* simulating the "cu" program */
    260 int	bits8;			/* terminal is is 8-bit mode */
    261 #define STRIP_PAR	(bits8 ? 0377 : 0177)
    262 
    263 char	fname[80];		/* file name buffer for ~< */
    264 char	copyname[80];		/* file name buffer for ~> */
    265 char	ccc;			/* synchronization character */
    266 char	ch;			/* for tipout */
    267 char	*uucplock;		/* name of lock file for uucp's */
    268 
    269 int	odisc;				/* initial tty line discipline */
    270 extern	int disc;			/* current tty discpline */
    271 
    272 extern acu_t		acutable[];
    273 extern esctable_t	etable[];
    274 extern unsigned char	evenpartab[];
    275 
    276 void	alrmtimeout __P((int));
    277 int	any __P((char, char *));
    278 void	chdirectory __P((char));
    279 void	cleanup __P((int));
    280 char   *connect __P((void));
    281 void	consh __P((char));
    282 char   *ctrl __P((char));
    283 int	cumain __P((int, char **));
    284 void	cu_put __P((char));
    285 void	cu_take __P((char));
    286 void	daemon_uid __P((void));
    287 void	disconnect __P((char *));
    288 char   *expand __P((char *));
    289 void	finish __P((char));
    290 void	genbrk __P((char));
    291 void	getfl __P((char));
    292 char   *getremote __P((char *));
    293 void	help __P((char));
    294 int	hunt __P((char *));
    295 char   *interp __P((char *));
    296 void	logent __P((char *, char *, char *, char *));
    297 void	loginit __P((void));
    298 void	pipefile __P((char));
    299 void	pipeout __P((char));
    300 int	prompt __P((char *, char *));
    301 void	pwrite __P((int, char *, int));
    302 void	raw __P((void));
    303 void	send __P((char));
    304 void	sendfile __P((char));
    305 void	setparity __P((char *));
    306 void	setscript __P((void));
    307 void	shell __P((char));
    308 void	shell_uid __P((void));
    309 int	speed __P((int));
    310 void	suspend __P((char));
    311 void	tandem __P((char *));
    312 void	tipabort __P((char *));
    313 void	tipout __P((void));
    314 void	ttysetup __P((int));
    315 void	unraw __P((void));
    316 void	user_uid __P((void));
    317 int	uu_lock __P((char *));
    318 int	uu_unlock __P((char *));
    319 void	variable __P((char));
    320 void	vinit __P((void));
    321 char   *vinterp __P((char *, char));
    322 void	vlex __P((char *));
    323 int	vstring __P((char *, char *));
    324 
    325 void	biz22_abort __P((void));
    326 void	biz22_disconnect __P((void));
    327 int	biz22f_dialer __P((char *, char *));
    328 int	biz22w_dialer __P((char *, char *));
    329 void	biz31_abort __P((void));
    330 void	biz31_disconnect __P((void));
    331 int	biz31f_dialer __P((char *, char *));
    332 int	biz31w_dialer __P((char *, char *));
    333 void	cour_abort __P((void));
    334 int	cour_dialer __P((char *, char *));
    335 void	cour_disconnect __P((void));
    336 int	df02_dialer __P((char *, char *));
    337 int	df03_dialer __P((char *, char *));
    338 void	df_abort __P((void));
    339 void	df_disconnect __P((void));
    340 void	dn_abort __P((void));
    341 int	dn_dialer __P((char *, char *));
    342 void	dn_disconnect __P((void));
    343 void	hay_abort __P((void));
    344 int	hay_dialer __P((char *, char *));
    345 void	hay_disconnect __P((void));
    346 void	t3000_abort __P((void));
    347 int	t3000_dialer __P((char *, char *));
    348 void	t3000_disconnect __P((void));
    349 void	v3451_abort __P((void));
    350 int	v3451_dialer __P((char *, char *));
    351 void	v3451_disconnect __P((void));
    352 void	v831_abort __P((void));
    353 int	v831_dialer __P((char *, char *));
    354 void	v831_disconnect __P((void));
    355 void	ven_abort __P((void));
    356 int	ven_dialer __P((char *, char *));
    357 void	ven_disconnect __P((void));
    358