[unix-history] / usr / src / usr.bin / tip / tip.h

/*
 * Copyright (c) 1983 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	5.7 (Berkeley) 3/27/91
 */

/*
 * 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 */

int	BR;			/* line speed for conversation */
int	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 */
int	DL;			/* line delay for file transfers to remote */
int	CL;			/* char delay for file transfers to remote */
int	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();
Commit	Line	Data
4b3ef9ea WJ	1	/*
	2	* Copyright (c) 1983 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)tip.h 5.7 (Berkeley) 3/27/91
	34	*/
	35
	36	/*
	37	* tip - terminal interface program
	38	*/
	39
	40	#include <sys/types.h>
	41	#include <machine/endian.h>
	42	#include <sys/file.h>
	43	#include <sys/time.h>
	44
	45	#include <sgtty.h>
	46	#include <signal.h>
	47	#include <stdio.h>
	48	#include <stdlib.h>
	49	#include <string.h>
	50	#include <pwd.h>
	51	#include <ctype.h>
	52	#include <setjmp.h>
	53	#include <unistd.h>
	54	#include <errno.h>
	55
	56	/*
	57	* Remote host attributes
	58	*/
	59	char DV; / UNIX device(s) to open */
	60	char EL; / chars marking an EOL */
	61	char CM; / initial connection message */
	62	char IE; / EOT to expect on input */
	63	char OE; / EOT to send to complete FT */
	64	char CU; / call unit if making a phone call */
65	char AT; / acu type */
66	char PN; / phone number(s) */
67	char DI; / disconnect string */
68	char PA; / parity to be generated */
69
70	char PH; / phone number file */
71	char RM; / remote file name */
72	char HO; / host name */
73
74	int BR; /* line speed for conversation */
75	int FS; /* frame size for transfers */
76
77	char DU; /* this host is dialed up */
78	char HW; /* this device is hardwired, see hunt.c */
79	char ES; / escape character */
80	char EX; / exceptions */
81	char FO; / force (literal next) char*/
82	char RC; / raise character */
83	char RE; / script record file */
84	char PR; / remote prompt */
85	int DL; /* line delay for file transfers to remote */
86	int CL; /* char delay for file transfers to remote */
87	int ET; /* echocheck timeout */
88	char HD; /* this host is half duplex - do local echo */
89
90	/*
91	* String value table
92	*/
93	typedef
94	struct {
95	char v_name; / whose name is it */
96	char v_type; /* for interpreting set's */
97	char v_access; /* protection of touchy ones */
98	char v_abrev; / possible abreviation */
99	char v_value; / casted to a union later */
100	}
101	value_t;
102
103	#define STRING 01 /* string valued */
104	#define BOOL 02 /* true-false value */
105	#define NUMBER 04 /* numeric value */
106	#define CHAR 010 /* character value */
107
108	#define WRITE 01 /* write access to variable */
109	#define READ 02 /* read access */
110
111	#define CHANGED 01 /* low bit is used to show modification */
112	#define PUBLIC 1 /* public access rights */
113	#define PRIVATE 03 /* private to definer */
114	#define ROOT 05 /* root defined */
115
116	#define TRUE 1
117	#define FALSE 0
118
119	#define ENVIRON 020 /* initialize out of the environment */
120	#define IREMOTE 040 /* initialize out of remote structure */
121	#define INIT 0100 /* static data space used for initialization */
122	#define TMASK 017
123
124	/*
125	* Definition of ACU line description
126	*/
127	typedef
128	struct {
129	char *acu_name;
130	int (*acu_dialer)();
131	int (*acu_disconnect)();
132	int (*acu_abort)();
133	}
134	acu_t;
135
136	#define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
137
138	/*
139	* variable manipulation stuff --
140	* if we defined the value entry in value_t, then we couldn't
141	* initialize it in vars.c, so we cast it as needed to keep lint
142	* happy.
143	*/
144	typedef
145	union {
146	int zz_number;
147	short zz_boolean[2];
148	char zz_character[4];
149	int *zz_address;
150	}
151	zzhack;
152
153	#define value(v) vtable[v].v_value
154
155	#define number(v) ((((zzhack *)(&(v))))->zz_number)
156
157	#if BYTE_ORDER == LITTLE_ENDIAN
158	#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0])
159	#define character(v) ((((zzhack *)(&(v))))->zz_character[0])
160	#endif
161
162	#if BYTE_ORDER == BIG_ENDIAN
163	#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1])
164	#define character(v) ((((zzhack *)(&(v))))->zz_character[3])
165	#endif
166
167	#define address(v) ((((zzhack *)(&(v))))->zz_address)
168
169	/*
170	* Escape command table definitions --
171	* lookup in this table is performed when ``escapec'' is recognized
172	* at the begining of a line (as defined by the eolmarks variable).
173	*/
174
175	typedef
176	struct {
177	char e_char; /* char to match on */
178	char e_flags; /* experimental, priviledged */
179	char e_help; / help string */
180	int (e_func)(); / command */
181	}
182	esctable_t;
183
184	#define NORM 00 /* normal protection, execute anyone */
185	#define EXP 01 /* experimental, mark it with a `' on help /
186	#define PRIV 02 /* priviledged, root execute only */
187
188	extern int vflag; /* verbose during reading of .tiprc file */
189	extern value_t vtable[]; /* variable table */
190
191	#ifndef ACULOG
192	#define logent(a, b, c, d)
193	#define loginit()
194	#endif
195
196	/*
197	* Definition of indices into variable table so
198	* value(DEFINE) turns into a static address.
199	*/
200
201	#define BEAUTIFY 0
202	#define BAUDRATE 1
203	#define DIALTIMEOUT 2
204	#define EOFREAD 3
205	#define EOFWRITE 4
206	#define EOL 5
207	#define ESCAPE 6
208	#define EXCEPTIONS 7
209	#define FORCE 8
210	#define FRAMESIZE 9
211	#define HOST 10
212	#define LOG 11
213	#define PHONES 12
214	#define PROMPT 13
215	#define RAISE 14
216	#define RAISECHAR 15
217	#define RECORD 16
218	#define REMOTE 17
219	#define SCRIPT 18
220	#define TABEXPAND 19
221	#define VERBOSE 20
222	#define SHELL 21
223	#define HOME 22
224	#define ECHOCHECK 23
225	#define DISCONNECT 24
226	#define TAND 25
227	#define LDELAY 26
228	#define CDELAY 27
229	#define ETIMEOUT 28
230	#define RAWFTP 29
231	#define HALFDUPLEX 30
232	#define LECHO 31
233	#define PARITY 32
234
235	#define NOVAL ((value_t *)NULL)
236	#define NOACU ((acu_t *)NULL)
237	#define NOSTR ((char *)NULL)
238	#define NOFILE ((FILE *)NULL)
239	#define NOPWD ((struct passwd *)0)
240
241	struct sgttyb arg; /* current mode of local terminal */
242	struct sgttyb defarg; /* initial mode of local terminal */
243	struct tchars tchars; /* current state of terminal */
244	struct tchars defchars; /* initial state of terminal */
245	struct ltchars ltchars; /* current local characters of terminal */
246	struct ltchars deflchars; /* initial local characters of terminal */
247
248	FILE fscript; / FILE for scripting */
249
250	int fildes[2]; /* file transfer synchronization channel */
251	int repdes[2]; /* read process sychronization channel */
252	int FD; /* open file descriptor to remote host */
253	int AC; /* open file descriptor to dialer (v831 only) */
254	int vflag; /* print .tiprc initialization sequence */
255	int sfd; /* for ~< operation */
256	int pid; /* pid of tipout */
257	uid_t uid, euid; /* real and effective user id's */
258	gid_t gid, egid; /* real and effective group id's */
259	int stop; /* stop transfer session flag */
260	int quit; /* same; but on other end */
261	int intflag; /* recognized interrupt */
262	int stoprompt; /* for interrupting a prompt session */
263	int timedout; /* ~> transfer timedout */
264	int cumode; /* simulating the "cu" program */
265
266	char fname[80]; /* file name buffer for ~< */
267	char copyname[80]; /* file name buffer for ~> */
268	char ccc; /* synchronization character */
269	char ch; /* for tipout */
270	char uucplock; / name of lock file for uucp's */
271
272	int odisc; /* initial tty line discipline */
273	extern int disc; /* current tty discpline */
274
275	extern char *ctrl();
276	extern char *vinterp();
277	extern char *connect();