4.4BSD/usr/src/usr.bin/tip/tip.h
/*
* 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. 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.
*
* @(#)tip.h 8.1 (Berkeley) 6/6/93
*/
/*
* tip - terminal interface program
*/
#include <sys/types.h>
#include <machine/endian.h>
#include <sys/file.h>
#include <sys/time.h>
#include <sgtty.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
#include <ctype.h>
#include <setjmp.h>
#include <unistd.h>
#include <errno.h>
/*
* Remote host attributes
*/
char *DV; /* UNIX device(s) to open */
char *EL; /* chars marking an EOL */
char *CM; /* initial connection message */
char *IE; /* EOT to expect on input */
char *OE; /* EOT to send to complete FT */
char *CU; /* call unit if making a phone call */
char *AT; /* acu type */
char *PN; /* phone number(s) */
char *DI; /* disconnect string */
char *PA; /* parity to be generated */
char *PH; /* phone number file */
char *RM; /* remote file name */
char *HO; /* host name */
long BR; /* line speed for conversation */
long FS; /* frame size for transfers */
char DU; /* this host is dialed up */
char HW; /* this device is hardwired, see hunt.c */
char *ES; /* escape character */
char *EX; /* exceptions */
char *FO; /* force (literal next) char*/
char *RC; /* raise character */
char *RE; /* script record file */
char *PR; /* remote prompt */
long DL; /* line delay for file transfers to remote */
long CL; /* char delay for file transfers to remote */
long ET; /* echocheck timeout */
char HD; /* this host is half duplex - do local echo */
/*
* String value table
*/
typedef
struct {
char *v_name; /* whose name is it */
char v_type; /* for interpreting set's */
char v_access; /* protection of touchy ones */
char *v_abrev; /* possible abreviation */
char *v_value; /* casted to a union later */
}
value_t;
#define STRING 01 /* string valued */
#define BOOL 02 /* true-false value */
#define NUMBER 04 /* numeric value */
#define CHAR 010 /* character value */
#define WRITE 01 /* write access to variable */
#define READ 02 /* read access */
#define CHANGED 01 /* low bit is used to show modification */
#define PUBLIC 1 /* public access rights */
#define PRIVATE 03 /* private to definer */
#define ROOT 05 /* root defined */
#define TRUE 1
#define FALSE 0
#define ENVIRON 020 /* initialize out of the environment */
#define IREMOTE 040 /* initialize out of remote structure */
#define INIT 0100 /* static data space used for initialization */
#define TMASK 017
/*
* Definition of ACU line description
*/
typedef
struct {
char *acu_name;
int (*acu_dialer)();
int (*acu_disconnect)();
int (*acu_abort)();
}
acu_t;
#define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
/*
* variable manipulation stuff --
* if we defined the value entry in value_t, then we couldn't
* initialize it in vars.c, so we cast it as needed to keep lint
* happy.
*/
typedef
union {
int zz_number;
short zz_boolean[2];
char zz_character[4];
int *zz_address;
}
zzhack;
#define value(v) vtable[v].v_value
#define number(v) ((((zzhack *)(&(v))))->zz_number)
#if BYTE_ORDER == LITTLE_ENDIAN
#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0])
#define character(v) ((((zzhack *)(&(v))))->zz_character[0])
#endif
#if BYTE_ORDER == BIG_ENDIAN
#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1])
#define character(v) ((((zzhack *)(&(v))))->zz_character[3])
#endif
#define address(v) ((((zzhack *)(&(v))))->zz_address)
/*
* Escape command table definitions --
* lookup in this table is performed when ``escapec'' is recognized
* at the begining of a line (as defined by the eolmarks variable).
*/
typedef
struct {
char e_char; /* char to match on */
char e_flags; /* experimental, priviledged */
char *e_help; /* help string */
int (*e_func)(); /* command */
}
esctable_t;
#define NORM 00 /* normal protection, execute anyone */
#define EXP 01 /* experimental, mark it with a `*' on help */
#define PRIV 02 /* priviledged, root execute only */
extern int vflag; /* verbose during reading of .tiprc file */
extern value_t vtable[]; /* variable table */
#ifndef ACULOG
#define logent(a, b, c, d)
#define loginit()
#endif
/*
* Definition of indices into variable table so
* value(DEFINE) turns into a static address.
*/
#define BEAUTIFY 0
#define BAUDRATE 1
#define DIALTIMEOUT 2
#define EOFREAD 3
#define EOFWRITE 4
#define EOL 5
#define ESCAPE 6
#define EXCEPTIONS 7
#define FORCE 8
#define FRAMESIZE 9
#define HOST 10
#define LOG 11
#define PHONES 12
#define PROMPT 13
#define RAISE 14
#define RAISECHAR 15
#define RECORD 16
#define REMOTE 17
#define SCRIPT 18
#define TABEXPAND 19
#define VERBOSE 20
#define SHELL 21
#define HOME 22
#define ECHOCHECK 23
#define DISCONNECT 24
#define TAND 25
#define LDELAY 26
#define CDELAY 27
#define ETIMEOUT 28
#define RAWFTP 29
#define HALFDUPLEX 30
#define LECHO 31
#define PARITY 32
#define NOVAL ((value_t *)NULL)
#define NOACU ((acu_t *)NULL)
#define NOSTR ((char *)NULL)
#define NOFILE ((FILE *)NULL)
#define NOPWD ((struct passwd *)0)
struct sgttyb arg; /* current mode of local terminal */
struct sgttyb defarg; /* initial mode of local terminal */
struct tchars tchars; /* current state of terminal */
struct tchars defchars; /* initial state of terminal */
struct ltchars ltchars; /* current local characters of terminal */
struct ltchars deflchars; /* initial local characters of terminal */
FILE *fscript; /* FILE for scripting */
int fildes[2]; /* file transfer synchronization channel */
int repdes[2]; /* read process sychronization channel */
int FD; /* open file descriptor to remote host */
int AC; /* open file descriptor to dialer (v831 only) */
int vflag; /* print .tiprc initialization sequence */
int sfd; /* for ~< operation */
int pid; /* pid of tipout */
uid_t uid, euid; /* real and effective user id's */
gid_t gid, egid; /* real and effective group id's */
int stop; /* stop transfer session flag */
int quit; /* same; but on other end */
int intflag; /* recognized interrupt */
int stoprompt; /* for interrupting a prompt session */
int timedout; /* ~> transfer timedout */
int cumode; /* simulating the "cu" program */
char fname[80]; /* file name buffer for ~< */
char copyname[80]; /* file name buffer for ~> */
char ccc; /* synchronization character */
char ch; /* for tipout */
char *uucplock; /* name of lock file for uucp's */
int odisc; /* initial tty line discipline */
extern int disc; /* current tty discpline */
extern char *ctrl();
extern char *vinterp();
extern char *connect();