1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
24/*	  All Rights Reserved	*/
25
26/*
27 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#ifndef _UUCP_H
32#define	_UUCP_H
33
34#pragma ident	"%Z%%M%	%I%	%E% SMI"
35
36#include <sys/types.h>
37#include <unistd.h>
38#include <stdlib.h>
39#include <string.h>
40#include <parms.h>
41
42#include <stdio.h>
43#include <ctype.h>
44#include <setjmp.h>
45#include <sys/param.h>
46#include <termio.h>
47#include <signal.h>
48#include <fcntl.h>
49#include <sys/stat.h>
50#include <utime.h>
51#include <dirent.h>
52#include <time.h>
53#include <sys/times.h>
54#include <errno.h>
55#include <sys/mkdev.h>
56#include <strings.h>
57#include <ulimit.h>
58#include <sys/utsname.h>
59#include <ustat.h>
60
61#ifdef	__cplusplus
62extern "C" {
63#endif
64
65/* what mode should user files be allowed to have upon creation? */
66/* NOTE: This does not allow setuid or execute bits on transfer. */
67#define	LEGALMODE (mode_t)0666
68
69/* what mode should public files have upon creation? */
70#define	PUB_FILEMODE (mode_t)0666
71
72/* what mode should log files have upon creation? */
73#define	LOGFILEMODE (mode_t)0644
74
75/* what mode should C. files have upon creation? */
76#define	CFILEMODE (mode_t)0644
77
78/* what mode should D. files have upon creation? */
79#define	DFILEMODE (mode_t)0600
80
81/* define the value of PUBMASK, used for creating "public" directories */
82#define	PUBMASK (mode_t)0000
83
84/* what mode should public directories have upon creation? */
85#define	PUB_DIRMODE (mode_t)0777
86
87/* define the value of DIRMASK, used for creating "system" subdirectories */
88#define	DIRMASK (mode_t)0022
89
90#define	MAXSTART	300	/* how long to wait on startup */
91
92/* define the last characters for ACU  (used for 801/212 dialers) */
93#define	ACULAST "<"
94
95/*
96 * caution - the fillowing names are also in Makefile
97 * any changes here have to also be made there
98 *
99 * it's a good idea to make directories .foo, since this ensures
100 * that they'll be ignored by processes that search subdirectories in SPOOL
101 *
102 *	XQTDIR = /var/uucp/.Xqtdir
103 *	CORRUPT = /var/uucp/.Corrupt
104 *	LOGDIR = /var/uucp/.Log
105 *	SEQDIR = /var/uucp/.Sequence
106 *	STATDIR = /var/uucp/.Status
107 */
108
109/* where to put the STST. files? */
110#define	STATDIR		(const char *)"/var/uucp/.Status"
111
112/* where should logfiles be kept? */
113#define	LOGUUX		(const char *)"/var/uucp/.Log/uux"
114#define	LOGUUXQT	(const char *)"/var/uucp/.Log/uuxqt"
115#define	LOGUUCP		(const char *)"/var/uucp/.Log/uucp"
116#define	LOGCICO		(const char *)"/var/uucp/.Log/uucico"
117#define	CORRUPTDIR	(const char *)"/var/uucp/.Corrupt"
118
119/* some sites use /var/uucp/.XQTDIR here */
120/* use caution since things are linked into there */
121#define	XQTDIR		(const char *)"/var/uucp/.Xqtdir"
122
123/* how much of a system name can we print in a [CX]. file? */
124/* MAXBASENAME - 1 (pre) - 1 ('.') - 1 (grade) - 4 (sequence number) */
125#define	SYSNSIZE (MAXBASENAME - 7)
126
127#ifdef USRSPOOLLOCKS
128#define	LOCKPRE		(const char *)"/var/spool/locks/LCK."
129#else
130#define	LOCKPRE		(const char *)"/var/spool/uucp/LCK."
131#endif /* USRSPOOLLOCKS */
132
133#define	SQFILE		(const char *)"/etc/uucp/SQFILE"
134#define	SQTMP		(const char *)"/etc/uucp/SQTMP"
135#define	SLCKTIME	5400	/* system/device timeout (LCK.. files) */
136#define	DIALCODES	(const char *)"/etc/uucp/Dialcodes"
137#define	PERMISSIONS	(const char *)"/etc/uucp/Permissions"
138
139#define	SPOOL		(const char *)"/var/spool/uucp"
140#define	SEQDIR		(const char *)"/var/uucp/.Sequence"
141
142#define	X_LOCKTIME	3600
143#ifdef USRSPOOLLOCKS
144#define	SEQLOCK		(const char *)"/var/spool/locks/LCK.SQ."
145#define	SQLOCK		(const char *)"/var/spool/locks/LCK.SQ"
146#define	X_LOCK		(const char *)"/var/spool/locks/LCK.X"
147#define	S_LOCK		(const char *)"/var/spool/locks/LCK.S"
148#define	L_LOCK		(const char *)"/var/spool/locks/LK"
149#define	X_LOCKDIR	(const char *)"/var/spool/locks"
150						/* must be dir part of above */
151#else
152#define	SEQLOCK		(const char *)"/var/spool/uucp/LCK.SQ."
153#define	SQLOCK		(const char *)"/var/spool/uucp/LCK.SQ"
154#define	X_LOCK		(const char *)"/var/spool/uucp/LCK.X"
155#define	S_LOCK		(const char *)"/var/spool/uucp/LCK.S"
156#define	L_LOCK		(const char *)"/var/spool/uucp/LK"
157#define	X_LOCKDIR	(const char *)"/var/spool/uucp"
158						/* must be dir part of above */
159#endif /* USRSPOOLLOCKS */
160#define	X_LOCKPRE	(const char *)"LCK.X"	/* must be last part of above */
161
162#define	PUBDIR		(const char *)"/var/spool/uucppublic"
163#define	ADMIN		(const char *)"/var/uucp/.Admin"
164#define	ERRLOG		(const char *)"/var/uucp/.Admin/errors"
165#define	SYSLOG		(const char *)"/var/uucp/.Admin/xferstats"
166#define	RMTDEBUG	(const char *)"/var/uucp/.Admin/audit"
167#define	CLEANUPLOGFILE	(const char *)"/var/uucp/.Admin/uucleanup"
168#define	CMDLOG		(const char *)"/var/uucp/.Admin/command"
169#define	PERFLOG		(const char *)"/var/uucp/.Admin/perflog"
170#define	ACCOUNT		(const char *)"/var/uucp/.Admin/account"
171#define	SECURITY	(const char *)"/var/uucp/.Admin/security"
172
173#define	WORKSPACE	(const char *)"/var/uucp/.Workspace"
174
175#define	SQTIME		60
176#define	TRYCALLS	2	/* number of tries to dial call */
177#define	MINULIMIT	(1L<<11)	/* minimum reasonable ulimit */
178#define	MAX_LOCKTRY	5	/* number of attempts to lock device */
179
180/*
181 * CDEBUG is for communication line debugging
182 * DEBUG is for program debugging
183 * #define SMALL to compile without the DEBUG code
184 */
185
186#define	CDEBUG(l, f, s)
187#define	SMALL
188
189#ifndef SMALL
190#define	DEBUG(l, f, s) if (Debug >= l) fprintf(stderr, f, s)
191#else
192#define	DEBUG(l, f, s)
193#endif /* SMALL */
194
195/*
196 * VERBOSE is used by cu and ct to inform the user of progress
197 * In other programs, the Value of Verbose is always 0.
198 */
199#define	VERBOSE(f, s) { if (Verbose > 0) (void) fprintf(stderr, f, s); }
200
201#define	PREFIX(pre, str)	(strncmp((pre), (str), strlen(pre)) == SAME)
202#define	BASENAME(str, c) ((Bnptr = strrchr((str), c)) ? (Bnptr + 1) : (str))
203#define	EQUALS(a, b)		((a != CNULL) && (b != CNULL) && \
204					(strcmp((a), (b)) == SAME))
205#define	EQUALSN(a, b, n)	((a != CNULL) && (b != CNULL) && \
206					(strncmp((a), (b), (n)) == SAME))
207#define	LASTCHAR(s)	(s+strlen(s)-1)
208
209#define	SAME 0
210#define	ANYREAD 04
211#define	ANYWRITE 02
212#define	FAIL -1
213#define	SUCCESS 0
214#define	NULLCHAR	'\0'
215#define	CNULL (char *)0
216#define	STBNULL (struct sgttyb *)0
217#define	MASTER 1
218#define	SLAVE 0
219#define	MAXBASENAME 14 /* should be DIRSIZ but that is now fs dependent */
220#define	MAXFULLNAME BUFSIZ
221#define	MAXNAMESIZE	64	/* /var/spool/uucp/<14 chars>/<14 chars>+slop */
222#define	CONNECTTIME 30
223#define	EXPECTTIME 45
224#define	MSGTIME 60
225#define	NAMESIZE MAXBASENAME+1
226#define	SIZEOFPID	10		/* maximum number of digits in a pid */
227#define	EOTMSG "\004\n\004\n"
228#define	CALLBACK 1
229
230/* manifests for sysfiles.c's sysaccess()	*/
231/* check file access for REAL user id */
232#define	ACCESS_SYSTEMS	1
233#define	ACCESS_DEVICES	2
234#define	ACCESS_DIALERS	3
235/* check file access for EFFECTIVE user id */
236#define	EACCESS_SYSTEMS	4
237#define	EACCESS_DEVICES	5
238#define	EACCESS_DIALERS	6
239
240/* manifest for chkpth flag */
241#define	CK_READ		0
242#define	CK_WRITE	1
243
244/*
245 * commands
246 */
247#define	SHELL		(const char *)"/usr/bin/sh"
248#define	MAIL		(const char *)"mail"
249#define	UUCICO		(const char *)"/usr/lib/uucp/uucico"
250#define	UUXQT		(const char *)"/usr/lib/uucp/uuxqt"
251#define	UUX		(const char *)"/usr/bin/uux"
252#define	UUCP		(const char *)"/usr/bin/uucp"
253
254
255/* system status stuff */
256#define	SS_OK			0
257#define	SS_NO_DEVICE		1
258#define	SS_TIME_WRONG		2
259#define	SS_INPROGRESS		3
260#define	SS_CONVERSATION		4
261#define	SS_SEQBAD		5
262#define	SS_LOGIN_FAILED		6
263#define	SS_DIAL_FAILED		7
264#define	SS_BAD_LOG_MCH		8
265#define	SS_LOCKED_DEVICE	9
266#define	SS_ASSERT_ERROR		10
267#define	SS_BADSYSTEM		11
268#define	SS_CANT_ACCESS_DEVICE	12
269#define	SS_DEVICE_FAILED	13	/* used for interface failure */
270#define	SS_WRONG_MCH		14
271#define	SS_CALLBACK		15
272#define	SS_RLOCKED		16
273#define	SS_RUNKNOWN		17
274#define	SS_RLOGIN		18
275#define	SS_UNKNOWN_RESPONSE	19
276#define	SS_STARTUP		20
277#define	SS_CHAT_FAILED		21
278#define	SS_CALLBACK_LOOP	22
279
280#define	MAXPH	60	/* maximum phone string size */
281#define	MAXC	BUFSIZ
282
283#define	TRUE	1
284#define	FALSE	0
285#define	NAMEBUF	32
286
287/* The call structure is used by ct.c, cu.c, and dial.c.	*/
288
289struct call {
290	char *speed;		/* transmission baud rate */
291	char *line;		/* device name for outgoing line */
292	char *telno;		/* ptr to tel-no digit string */
293	char *type;		/* type of device to use for call. */
294};
295
296/* structure of an Systems file line */
297#define	F_MAX	50	/* max number of fields in Systems file line */
298#define	F_NAME 0
299#define	F_TIME 1
300#define	F_TYPE 2
301#define	F_CLASS 3	/* an optional prefix and the speed */
302#define	F_PHONE 4
303#define	F_LOGIN 5
304
305/* structure of an Devices file line */
306#define	D_TYPE 0
307#define	D_LINE 1
308#define	D_CALLDEV 2
309#define	D_CLASS 3
310#define	D_CALLER 4
311#define	D_ARG 5
312#define	D_MAX	50	/* max number of fields in Devices file line */
313
314#define	D_ACU 1
315#define	D_DIRECT 2
316#define	D_PROT 4
317
318#define	GRADES "/etc/uucp/Grades"
319
320#define	D_QUEUE	'Z'	/* default queue */
321
322/* past here, local changes are not recommended */
323#define	CMDPRE		'C'
324#define	DATAPRE		'D'
325#define	XQTPRE		'X'
326
327/*
328 * stuff for command execution
329 */
330#define	X_RQDFILE	'F'
331#define	X_STDIN		'I'
332#define	X_STDOUT	'O'
333#define	X_STDERR	'E'
334#define	X_CMD		'C'
335#define	X_USER		'U'
336#define	X_BRINGBACK	'B'
337#define	X_MAILF		'M'
338#define	X_RETADDR	'R'
339#define	X_COMMENT	'#'
340#define	X_NONZERO	'Z'
341#define	X_SENDNOTHING	'N'
342#define	X_SENDZERO	'n'
343
344
345/* This structure describes call routines */
346struct caller {
347	const char	*CA_type;
348	int		(*CA_caller)();
349};
350
351/* structure for a saved C file */
352
353struct cs_struct {
354	char	file[NAMESIZE];
355	char	sys[NAMESIZE+5];
356	char	sgrade[NAMESIZE];
357	char	grade;
358	long	jsize;
359};
360
361/* This structure describes dialing routines */
362struct dialer {
363	char	*DI_type;
364	int	(*DI_dialer)();
365};
366
367struct nstat {
368	pid_t	t_pid;		/* process id				*/
369	time_t	t_start;	/* start time				*/
370	time_t	t_scall;	/* start call to system			*/
371	time_t	t_ecall;	/* end call to system			*/
372	time_t	t_tacu;		/* acu time				*/
373	time_t	t_tlog;		/* login time				*/
374	time_t	t_sftp;		/* start file transfer protocol		*/
375	time_t	t_sxf;		/* start xfer				*/
376	time_t	t_exf;		/* end xfer				*/
377	time_t	t_eftp;		/* end file transfer protocol		*/
378	time_t	t_qtime;	/* time file queued			*/
379	int	t_ndial;	/* # of dials				*/
380	int	t_nlogs;	/* # of login trys			*/
381	struct tms t_tbb;	/* start execution times		*/
382	struct tms t_txfs;	/* xfer start times			*/
383	struct tms t_txfe;	/* xfer end times			*/
384	struct tms t_tga;	/* garbage execution times		*/
385};
386
387/* This structure describes the values from Limits file */
388struct limits {
389	int	totalmax;	/* overall limit */
390	int	sitemax;	/* limit per site */
391	char	mode[64];	/* uucico mode */
392};
393
394/* external declarations */
395
396static ssize_t (*Read)(), (*Write)();
397static int (*Ioctl)(int, int, ...);
398static int Debug, Verbose;
399static uid_t Uid, Euid;		/* user-id and effective-uid */
400static mode_t Dev_mode;		/* save device mode here */
401static long Retrytime;
402static char Dc[];			/* line name			*/
403static const char *Spool;
404static const char *Pubdir;
405static char Progname[];
406static char *Bnptr;		/* used when BASENAME macro is expanded */
407
408static int Uerror;		/* global error code */
409static char *UerrorText[];	/* text for error code */
410
411#define	UERRORTEXT		UerrorText[Uerror]
412#define	UTEXT(x)		UerrorText[x]
413
414/* things get kind of tricky beyond this point -- please stay out */
415
416/* uucp functions and subroutine */
417static void	(*genbrk)();
418extern int	iswrk(), gtwvec();			/* anlwrk.c */
419extern void	findgrade();				/* grades.c */
420extern void	chremdir(), mkremdir();			/* chremdir.c */
421extern void	toCorrupt();				/* cpmv.c  */
422extern int	xmv();					/* cpmv.c  */
423
424static int	getargs();				/* getargs.c */
425static void	bsfix();				/* getargs.c */
426extern char	*getprm();				/* getprm.c */
427
428extern char	*next_token();				/* permission.c */
429extern char	*nextarg();				/* permission.c */
430extern int	getuline();				/* permission.c */
431
432static void	logent(const char *, const char *);	/* logent.c */
433extern void	commandlog();				/* logent.c */
434extern time_t	millitick();				/* logent.c */
435
436extern unsigned long	getfilesize();			/* statlog.c */
437extern void		putfilesize();			/* statlog.c */
438
439extern int	logFind(), mchFind();			/* permission.c */
440extern int	chkperm(), chkpth();			/* permission.c */
441extern int	cmdOK(), switchRole();			/* permission.c */
442extern int	callBack(), requestOK();		/* permission.c */
443extern int	noSpool();				/* permission.c */
444extern void	myName();				/* permission.c */
445
446extern int	mkdirs();				/* expfile.c */
447extern int	scanlimit();				/* limits.c */
448extern void	systat();				/* systat.c */
449static int	fd_mklock();				/* ulockf.c */
450static int	mklock(), cklock();			/* ulockf.c */
451static void	fd_rmlock(),  rmlock();	/* ulockf.c */
452extern char	*timeStamp();				/* utility.c */
453static void	assert(const char *s1, const char *s2,
454		    int i1, const char *s3, int i2);	/* utility.c */
455extern void	uucpname();				/* uucpname.c */
456extern int	versys();				/* versys.c */
457extern void	xuuxqt(), xuucico();			/* xqt.c */
458static void	cleanup();				/* misc main.c */
459
460#define	ASSERT(e, s1, s2, i1) if (!(e)) { \
461	assert(s1, s2, i1, __FILE__, __LINE__); \
462	cleanup(FAIL); \
463};
464
465/* messages */
466static const char Ct_OPEN[];
467static const char Ct_WRITE[];
468static const char Ct_READ[];
469static const char Ct_CREATE[];
470static const char Ct_ALLOCATE[];
471static const char Ct_LOCK[];
472static const char Ct_STAT[];
473static const char Ct_CHOWN[];
474static const char Ct_CHMOD[];
475static const char Ct_LINK[];
476static const char Ct_CHDIR[];
477static const char Ct_UNLINK[];
478static const char Wr_ROLE[];
479static const char Ct_CORRUPT[];
480static const char Ct_FORK[];
481static const char Ct_CLOSE[];
482static const char Ct_BADOWN[];
483static const char Fl_EXISTS[];
484
485#ifdef	__cplusplus
486}
487#endif
488
489#endif /* _UUCP_H */
490