/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright 2019 OmniOS Community Edition (OmniOSce) Association.
 * Copyright 2022 Sebastian Wiedenroth
 */

#ifndef _CRON_H
#define _CRON_H

#include <unistd.h>

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#ifdef  __cplusplus
extern "C" {
#endif

#define FALSE           0
#define TRUE            1
#define MINUTE          60L
#define HOUR            60L*60L
#define DAY             24L*60L*60L
#define NQUEUE          26              /* number of queues available */
#define ATEVENT         0
#define BATCHEVENT      1
#define CRONEVENT       2

#define ADD             'a'
#define DELETE          'd'
#define AT              'a'
#define CRON            'c'
#define REFRESH         'r'

#define QUE(x)          ('a'+(x))
#define RCODE(x)        (((x)>>8)&0377)
#define TSTAT(x)        ((x)&0377)

/* This constant must be at least sysconf(_SC_LOGIN_NAME_MAX) in size */
#define UNAMESIZE       32      /* max chars in a user name */

#define FLEN    UNAMESIZE
#define LLEN    UNAMESIZE

/*
 * structure used for passing messages from the at and crontab commands to cron
 */
struct  message {
        char    etype;
        char    action;
        char    fname[FLEN];
        char    logname[LLEN];
};

/*
 * Errors from the crontab field parser.
 */
typedef enum {
        CFOK = 0,
        CFEOLN,
        CFUNEXPECT,
        CFOUTOFBOUND,
        CFEOVERFLOW,
        CFENOMEM
} cferror_t;

#define CRONDIR         "/var/spool/cron/crontabs"
#define ATDIR           "/var/spool/cron/atjobs"
#define ACCTFILE        "/var/cron/log"
#define CRONALLOW       "/etc/cron.d/cron.allow"
#define CRONDENY        "/etc/cron.d/cron.deny"
#define ATALLOW         "/etc/cron.d/at.allow"
#define ATDENY          "/etc/cron.d/at.deny"
#define PROTO           "/etc/cron.d/.proto"
#define QUEDEFS         "/etc/cron.d/queuedefs"
#define FIFO            "/etc/cron.d/FIFO"
#define DEFFILE         "/etc/default/cron"

#define SHELL           "/usr/bin/sh"   /* shell to execute */

#define ENV_SHELL               "SHELL="
#define ENV_TZ                  "TZ="
#define ENV_HOME                "HOME="
#define ENV_RANDOM_DELAY        "RANDOM_DELAY="

#define CTLINESIZE      1000    /* max chars in a crontab line */

extern int      allowed(char *, char *, char *);
extern int      days_in_mon(int, int);
extern char     *errmsg(int);
extern char     *getuser(uid_t);
extern void     cron_sendmsg(char, char *, char *, char);
extern time_t    num(char **);
extern void     *xmalloc(size_t);
extern void     *xcalloc(size_t, size_t);
extern char     *xstrdup(const char *);
extern int      isvalid_shell(const char *shell);
extern int      isvalid_dir(const char *dir);

extern int      cron_admin(const char *);
extern cferror_t next_field(uint_t, uint_t, char *, int *, char **);

#ifdef  __cplusplus
}
#endif

#endif  /* _CRON_H */