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      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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_CRON_H
     27 #define	_CRON_H
     28 
     29 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
     30 /*	  All Rights Reserved  	*/
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #define	FALSE		0
     37 #define	TRUE		1
     38 #define	MINUTE		60L
     39 #define	HOUR		60L*60L
     40 #define	DAY		24L*60L*60L
     41 #define	NQUEUE		26		/* number of queues available */
     42 #define	ATEVENT		0
     43 #define	BATCHEVENT	1
     44 #define	CRONEVENT	2
     45 
     46 #define	ADD		'a'
     47 #define	DELETE		'd'
     48 #define	AT		'a'
     49 #define	CRON		'c'
     50 #define	REFRESH		'r'
     51 
     52 #define	QUE(x)		('a'+(x))
     53 #define	RCODE(x)	(((x)>>8)&0377)
     54 #define	TSTAT(x)	((x)&0377)
     55 
     56 #define	FLEN	15
     57 #define	LLEN	9
     58 
     59 /*
     60  * structure used for passing messages from the at and crontab commands to cron
     61  */
     62 struct	message {
     63 	char	etype;
     64 	char	action;
     65 	char	fname[FLEN];
     66 	char	logname[LLEN];
     67 };
     68 
     69 /* anything below here can be changed */
     70 
     71 #define	CRONDIR		"/var/spool/cron/crontabs"
     72 #define	ATDIR		"/var/spool/cron/atjobs"
     73 #define	ACCTFILE	"/var/cron/log"
     74 #define	CRONALLOW	"/etc/cron.d/cron.allow"
     75 #define	CRONDENY	"/etc/cron.d/cron.deny"
     76 #define	ATALLOW		"/etc/cron.d/at.allow"
     77 #define	ATDENY		"/etc/cron.d/at.deny"
     78 #define	PROTO		"/etc/cron.d/.proto"
     79 #define	QUEDEFS		"/etc/cron.d/queuedefs"
     80 #define	FIFO		"/etc/cron.d/FIFO"
     81 #define	DEFFILE		"/etc/default/cron"
     82 
     83 #define	SHELL		"/usr/bin/sh"	/* shell to execute */
     84 
     85 #define	ENV_SHELL	"SHELL="
     86 #define	ENV_TZ		"TZ="
     87 #define	ENV_HOME	"HOME="
     88 
     89 #define	CTLINESIZE	1000	/* max chars in a crontab line */
     90 #define	UNAMESIZE	20	/* max chars in a user name */
     91 
     92 extern int	allowed(char *, char *, char *);
     93 extern int	days_in_mon(int, int);
     94 extern char	*errmsg(int);
     95 extern char	*getuser(uid_t);
     96 extern void	cron_sendmsg(char, char *, char *, char);
     97 extern time_t	 num(char **);
     98 extern void	*xmalloc(size_t);
     99 extern void	*xcalloc(size_t, size_t);
    100 extern char	*xstrdup(const char *);
    101 extern int	isvalid_shell(const char *shell);
    102 extern int	isvalid_dir(const char *dir);
    103 
    104 extern int	cron_admin(const char *);
    105 
    106 #ifdef	__cplusplus
    107 }
    108 #endif
    109 
    110 #endif	/* _CRON_H */
    111