156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
/*
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* Copyright (c) 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1989, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94";
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#endif
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <errno.h>
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#include <locale.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include "pathnames.h"
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#include "calendar.h"
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struct passwd *pw;
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int doall = 0;
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time_t f_time = 0;
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int f_dayAfter = 0; /* days after current date */
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int f_dayBefore = 0; /* days before current date */
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int Friday = 5; /* day before weekend */
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int ch;
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(void) setlocale(LC_ALL, "");
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while ((ch = getopt(argc, argv, "-af:t:A:B:F:W:")) != -1)
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switch (ch) {
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case '-': /* backward contemptible */
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case 'a':
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if (getuid()) {
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errno = EPERM;
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err(1, NULL);
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}
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doall = 1;
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break;
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case 'f': /* other calendar file */
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calendarFile = optarg;
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break;
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case 't': /* other date, undocumented, for tests */
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f_time = Mktime (optarg);
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break;
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case 'W': /* we don't need no steenking Fridays */
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Friday = -1;
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/* FALLTHROUGH */
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case 'A': /* days after current date */
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f_dayAfter = atoi(optarg);
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break;
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case 'B': /* days before current date */
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f_dayBefore = atoi(optarg);
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break;
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case 'F':
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Friday = atoi(optarg);
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc)
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usage();
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/* use current time */
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if (f_time <= 0)
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(void)time(&f_time);
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settime(f_time);
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if (doall)
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while ((pw = getpwent()) != NULL) {
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(void)setegid(pw->pw_gid);
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(void)initgroups(pw->pw_name, pw->pw_gid);
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(void)seteuid(pw->pw_uid);
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if (!chdir(pw->pw_dir))
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cal();
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(void)seteuid(0);
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}
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else
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cal();
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exit(0);
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}
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void
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usage()
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{
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(void)fprintf(stderr, "%s\n%s\n",
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"usage: calendar [-a] [-A days] [-B days] [-F friday] "
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"[-f calendarfile]",
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" [-t dd[.mm[.year]]] [-W days]");
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exit(1);
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}
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