2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 1988, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 * Copyright (c) 2002 Networks Associates Technology, Inc.
9 * Portions of this software were developed for the FreeBSD Project by
10 * ThinkSec AS and NAI Labs, the Security Research Division of Network
11 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
12 * ("CBOSS"), as part of the DARPA CHATS research program.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 * must display the following acknowledgement:
24 * This product includes software developed by the University of
25 * California, Berkeley and its contributors.
26 * 4. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45 static char sccsid[] = "@(#)util.c 8.4 (Berkeley) 4/2/94";
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
51 #include <sys/types.h>
62 static const char *months[] =
63 { "January", "February", "March", "April", "May", "June",
64 "July", "August", "September", "October", "November",
74 tp = localtime(&tval);
75 (void)sprintf(tbuf, "%s %d, %d", months[tp->tm_mon],
76 tp->tm_mday, tp->tm_year + 1900);
84 atot(char *p, time_t *store)
99 lt = localtime(&tval);
101 if (!(t = strtok(p, " \t")))
106 for (mp = months;; ++mp) {
109 if (!strncasecmp(*mp, t, 3)) {
110 month = mp - months + 1;
115 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
118 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
121 if (day < 1 || day > 31 || month < 1 || month > 12)
123 /* Allow two digit years 1969-2068 */
130 lt->tm_year = year - 1900;
131 lt->tm_mon = month - 1;
137 if ((tval = mktime(lt)) < 0)
149 while ((sh = getusershell())) {
150 if (!strcmp(name, sh)) {
154 /* allow just shell name, but use "real" path */
155 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {
165 dup_shell(char *name)
170 while ((sh = getusershell())) {
171 if (!strcmp(name, sh)) {
173 return (strdup(name));
175 /* allow just shell name, but use "real" path */
176 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {