From 1af8a33c9441eef316ecca0ac0ba38fbec47cbcb Mon Sep 17 00:00:00 2001 From: Kevin Lo Date: Tue, 14 Feb 2012 10:11:45 +0000 Subject: Remove unnecessary cast --- chpass/util.c | 182 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 chpass/util.c (limited to 'chpass/util.c') diff --git a/chpass/util.c b/chpass/util.c new file mode 100644 index 0000000..baf160e --- /dev/null +++ b/chpass/util.c @@ -0,0 +1,182 @@ +/*- + * Copyright (c) 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 2002 Networks Associates Technology, Inc. + * All rights reserved. + * + * Portions of this software were developed for the FreeBSD Project by + * ThinkSec AS and NAI Labs, the Security Research Division of Network + * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 + * ("CBOSS"), as part of the DARPA CHATS research program. + * + * 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 +#if 0 +static char sccsid[] = "@(#)util.c 8.4 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ +#include +__FBSDID("$FreeBSD$"); + +#include + +#include +#include +#include +#include +#include +#include + +#include "chpass.h" + +static const char *months[] = + { "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", + "December", NULL }; + +char * +ttoa(time_t tval) +{ + struct tm *tp; + static char tbuf[50]; + + if (tval) { + tp = localtime(&tval); + (void)sprintf(tbuf, "%s %d, %d", months[tp->tm_mon], + tp->tm_mday, tp->tm_year + 1900); + } + else + *tbuf = '\0'; + return (tbuf); +} + +int +atot(char *p, time_t *store) +{ + static struct tm *lt; + char *t; + const char **mp; + time_t tval; + int day, month, year; + + if (!*p) { + *store = 0; + return (0); + } + if (!lt) { + unsetenv("TZ"); + (void)time(&tval); + lt = localtime(&tval); + } + if (!(t = strtok(p, " \t"))) + goto bad; + if (isdigit(*t)) { + month = atoi(t); + } else { + for (mp = months;; ++mp) { + if (!*mp) + goto bad; + if (!strncasecmp(*mp, t, 3)) { + month = mp - months + 1; + break; + } + } + } + if (!(t = strtok(NULL, " \t,")) || !isdigit(*t)) + goto bad; + day = atoi(t); + if (!(t = strtok(NULL, " \t,")) || !isdigit(*t)) + goto bad; + year = atoi(t); + if (day < 1 || day > 31 || month < 1 || month > 12) + goto bad; + /* Allow two digit years 1969-2068 */ + if (year < 69) + year += 2000; + else if (year < 100) + year += 1900; + if (year < 1969) +bad: return (1); + lt->tm_year = year - 1900; + lt->tm_mon = month - 1; + lt->tm_mday = day; + lt->tm_hour = 0; + lt->tm_min = 0; + lt->tm_sec = 0; + lt->tm_isdst = -1; + if ((tval = mktime(lt)) < 0) + return (1); + *store = tval; + return (0); +} + +int +ok_shell(char *name) +{ + char *p, *sh; + + setusershell(); + while ((sh = getusershell())) { + if (!strcmp(name, sh)) { + endusershell(); + return (1); + } + /* allow just shell name, but use "real" path */ + if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) { + endusershell(); + return (1); + } + } + endusershell(); + return (0); +} + +char * +dup_shell(char *name) +{ + char *p, *sh, *ret; + + setusershell(); + while ((sh = getusershell())) { + if (!strcmp(name, sh)) { + endusershell(); + return (strdup(name)); + } + /* allow just shell name, but use "real" path */ + if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) { + ret = strdup(sh); + endusershell(); + return (ret); + } + } + endusershell(); + return (NULL); +} -- cgit v1.2.3-56-ge451