281 lines
8.3 KiB
C
281 lines
8.3 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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*
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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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* @(#)tip.h 8.1 (Berkeley) 6/6/93
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*/
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/*
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* tip - terminal interface program
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*/
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#include <sys/types.h>
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#include <machine/endian.h>
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#include <sys/file.h>
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#include <sys/time.h>
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#include <sgtty.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pwd.h>
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#include <ctype.h>
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#include <setjmp.h>
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#include <unistd.h>
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#include <errno.h>
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/*
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* Remote host attributes
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*/
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char *DV; /* UNIX device(s) to open */
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char *EL; /* chars marking an EOL */
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char *CM; /* initial connection message */
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char *IE; /* EOT to expect on input */
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char *OE; /* EOT to send to complete FT */
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char *CU; /* call unit if making a phone call */
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char *AT; /* acu type */
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char *PN; /* phone number(s) */
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char *DI; /* disconnect string */
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char *PA; /* parity to be generated */
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char *PH; /* phone number file */
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char *RM; /* remote file name */
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char *HO; /* host name */
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long BR; /* line speed for conversation */
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long FS; /* frame size for transfers */
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char DU; /* this host is dialed up */
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char HW; /* this device is hardwired, see hunt.c */
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char *ES; /* escape character */
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char *EX; /* exceptions */
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char *FO; /* force (literal next) char*/
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char *RC; /* raise character */
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char *RE; /* script record file */
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char *PR; /* remote prompt */
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long DL; /* line delay for file transfers to remote */
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long CL; /* char delay for file transfers to remote */
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long ET; /* echocheck timeout */
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char HD; /* this host is half duplex - do local echo */
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/*
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* String value table
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*/
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typedef
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struct {
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char *v_name; /* whose name is it */
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char v_type; /* for interpreting set's */
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char v_access; /* protection of touchy ones */
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char *v_abrev; /* possible abreviation */
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char *v_value; /* casted to a union later */
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}
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value_t;
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#define STRING 01 /* string valued */
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#define BOOL 02 /* true-false value */
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#define NUMBER 04 /* numeric value */
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#define CHAR 010 /* character value */
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#define WRITE 01 /* write access to variable */
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#define READ 02 /* read access */
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#define CHANGED 01 /* low bit is used to show modification */
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#define PUBLIC 1 /* public access rights */
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#define PRIVATE 03 /* private to definer */
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#define ROOT 05 /* root defined */
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#define TRUE 1
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#define FALSE 0
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#define ENVIRON 020 /* initialize out of the environment */
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#define IREMOTE 040 /* initialize out of remote structure */
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#define INIT 0100 /* static data space used for initialization */
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#define TMASK 017
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/*
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* Definition of ACU line description
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*/
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typedef
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struct {
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char *acu_name;
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int (*acu_dialer)();
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int (*acu_disconnect)();
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int (*acu_abort)();
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}
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acu_t;
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#define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
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/*
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* variable manipulation stuff --
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* if we defined the value entry in value_t, then we couldn't
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* initialize it in vars.c, so we cast it as needed to keep lint
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* happy.
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*/
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typedef
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union {
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int zz_number;
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short zz_boolean[2];
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char zz_character[4];
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int *zz_address;
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}
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zzhack;
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#define value(v) vtable[v].v_value
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#define number(v) ((((zzhack *)(&(v))))->zz_number)
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0])
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#define character(v) ((((zzhack *)(&(v))))->zz_character[0])
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#endif
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#if BYTE_ORDER == BIG_ENDIAN
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#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1])
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#define character(v) ((((zzhack *)(&(v))))->zz_character[3])
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#endif
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#define address(v) ((((zzhack *)(&(v))))->zz_address)
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/*
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* Escape command table definitions --
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* lookup in this table is performed when ``escapec'' is recognized
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* at the begining of a line (as defined by the eolmarks variable).
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*/
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typedef
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struct {
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char e_char; /* char to match on */
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char e_flags; /* experimental, priviledged */
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char *e_help; /* help string */
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int (*e_func)(); /* command */
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}
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esctable_t;
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#define NORM 00 /* normal protection, execute anyone */
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#define EXP 01 /* experimental, mark it with a `*' on help */
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#define PRIV 02 /* priviledged, root execute only */
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extern int vflag; /* verbose during reading of .tiprc file */
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extern value_t vtable[]; /* variable table */
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#ifndef ACULOG
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#define logent(a, b, c, d)
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#define loginit()
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#endif
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/*
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* Definition of indices into variable table so
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* value(DEFINE) turns into a static address.
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*/
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#define BEAUTIFY 0
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#define BAUDRATE 1
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#define DIALTIMEOUT 2
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#define EOFREAD 3
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#define EOFWRITE 4
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#define EOL 5
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#define ESCAPE 6
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#define EXCEPTIONS 7
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#define FORCE 8
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#define FRAMESIZE 9
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#define HOST 10
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#define LOG 11
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#define PHONES 12
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#define PROMPT 13
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#define RAISE 14
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#define RAISECHAR 15
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#define RECORD 16
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#define REMOTE 17
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#define SCRIPT 18
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#define TABEXPAND 19
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#define VERBOSE 20
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#define SHELL 21
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#define HOME 22
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#define ECHOCHECK 23
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#define DISCONNECT 24
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#define TAND 25
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#define LDELAY 26
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#define CDELAY 27
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#define ETIMEOUT 28
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#define RAWFTP 29
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#define HALFDUPLEX 30
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#define LECHO 31
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#define PARITY 32
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#define NOVAL ((value_t *)NULL)
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#define NOACU ((acu_t *)NULL)
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#define NOSTR ((char *)NULL)
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#define NOFILE ((FILE *)NULL)
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#define NOPWD ((struct passwd *)0)
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struct sgttyb arg; /* current mode of local terminal */
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struct sgttyb defarg; /* initial mode of local terminal */
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struct tchars tchars; /* current state of terminal */
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struct tchars defchars; /* initial state of terminal */
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struct ltchars ltchars; /* current local characters of terminal */
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struct ltchars deflchars; /* initial local characters of terminal */
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FILE *fscript; /* FILE for scripting */
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int fildes[2]; /* file transfer synchronization channel */
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int repdes[2]; /* read process sychronization channel */
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int FD; /* open file descriptor to remote host */
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int AC; /* open file descriptor to dialer (v831 only) */
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int vflag; /* print .tiprc initialization sequence */
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int sfd; /* for ~< operation */
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int pid; /* pid of tipout */
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uid_t uid, euid; /* real and effective user id's */
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gid_t gid, egid; /* real and effective group id's */
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int stop; /* stop transfer session flag */
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int quit; /* same; but on other end */
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int intflag; /* recognized interrupt */
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int stoprompt; /* for interrupting a prompt session */
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int timedout; /* ~> transfer timedout */
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int cumode; /* simulating the "cu" program */
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char fname[80]; /* file name buffer for ~< */
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char copyname[80]; /* file name buffer for ~> */
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char ccc; /* synchronization character */
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char ch; /* for tipout */
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char *uucplock; /* name of lock file for uucp's */
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int odisc; /* initial tty line discipline */
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extern int disc; /* current tty discpline */
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extern char *ctrl();
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extern char *vinterp();
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extern char *connect();
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int tipabort __P((char *));
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