e4cedda807
Move some extern declarations to a header file. Remove an unneeded extern declaration for optarg.
154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 1989, 1993, 1994
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1989, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94";
|
|
#endif
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <locale.h>
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "pathnames.h"
|
|
#include "calendar.h"
|
|
|
|
struct passwd *pw;
|
|
int doall = 0;
|
|
time_t f_time = 0;
|
|
|
|
int f_dayAfter = 0; /* days after current date */
|
|
int f_dayBefore = 0; /* days before current date */
|
|
int Friday = 5; /* day before weekend */
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int ch;
|
|
|
|
(void) setlocale(LC_ALL, "");
|
|
|
|
while ((ch = getopt(argc, argv, "-af:t:A:B:F:W:")) != -1)
|
|
switch (ch) {
|
|
case '-': /* backward contemptible */
|
|
case 'a':
|
|
if (getuid()) {
|
|
errno = EPERM;
|
|
err(1, NULL);
|
|
}
|
|
doall = 1;
|
|
break;
|
|
|
|
|
|
case 'f': /* other calendar file */
|
|
calendarFile = optarg;
|
|
break;
|
|
|
|
case 't': /* other date, undocumented, for tests */
|
|
f_time = Mktime (optarg);
|
|
break;
|
|
|
|
case 'W': /* we don't need no steenking Fridays */
|
|
Friday = -1;
|
|
|
|
/* FALLTHROUGH */
|
|
case 'A': /* days after current date */
|
|
f_dayAfter = atoi(optarg);
|
|
break;
|
|
|
|
case 'B': /* days before current date */
|
|
f_dayBefore = atoi(optarg);
|
|
break;
|
|
|
|
case 'F':
|
|
Friday = atoi(optarg);
|
|
break;
|
|
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc)
|
|
usage();
|
|
|
|
/* use current time */
|
|
if (f_time <= 0)
|
|
(void)time(&f_time);
|
|
|
|
settime(f_time);
|
|
|
|
if (doall)
|
|
while ((pw = getpwent()) != NULL) {
|
|
(void)setegid(pw->pw_gid);
|
|
(void)initgroups(pw->pw_name, pw->pw_gid);
|
|
(void)seteuid(pw->pw_uid);
|
|
if (!chdir(pw->pw_dir))
|
|
cal();
|
|
(void)seteuid(0);
|
|
}
|
|
else
|
|
cal();
|
|
exit(0);
|
|
}
|
|
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr, "%s\n%s\n",
|
|
"usage: calendar [-a] [-A days] [-B days] [-F friday] "
|
|
"[-f calendarfile]",
|
|
" [-t dd[.mm[.year]]] [-W days]");
|
|
exit(1);
|
|
}
|
|
|
|
|