File: [local] / src / libexec / login_chpass / login_chpass.c (download)
Revision 1.21, Thu Apr 26 12:42:51 2018 UTC (6 years, 1 month ago) by guenther
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, HEAD Changes since 1.20: +2 -11 lines
Use <fcntl.h> instead of <sys/file.h> for open() and friends.
Delete a bunch of unnecessary #includes and sort to match style(9)
while doing the above cleanup.
ok deraadt@ krw@
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/* $OpenBSD: login_chpass.c,v 1.21 2018/04/26 12:42:51 guenther Exp $ */
/*-
* Copyright (c) 1995,1996 Berkeley Software Design, Inc. 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 Berkeley Software Design,
* Inc.
* 4. The name of Berkeley Software Design, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``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 BERKELEY SOFTWARE DESIGN, INC. 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.
*
* BSDI $From: login_chpass.c,v 1.3 1996/08/21 21:01:48 prb Exp $
*/
#include <sys/resource.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#define _PATH_LOGIN_LCHPASS "/usr/libexec/auth/login_lchpass"
#define BACK_CHANNEL 3
void local_chpass(char **);
int
main(int argc, char *argv[])
{
struct rlimit rl;
int c;
rl.rlim_cur = 0;
rl.rlim_max = 0;
(void)setrlimit(RLIMIT_CORE, &rl);
(void)setpriority(PRIO_PROCESS, 0, 0);
if (pledge("stdio exec", NULL) == -1)
err(1, "pledge");
openlog("login", LOG_ODELAY, LOG_AUTH);
while ((c = getopt(argc, argv, "s:v:")) != -1)
switch (c) {
case 'v':
break;
case 's': /* service */
if (strcmp(optarg, "login") != 0) {
syslog(LOG_ERR, "%s: invalid service", optarg);
exit(1);
}
break;
default:
syslog(LOG_ERR, "usage error");
exit(1);
}
switch (argc - optind) {
case 2:
/* class is not used */
case 1:
break;
default:
syslog(LOG_ERR, "usage error");
exit(1);
}
local_chpass(argv);
/* NOTREACHED */
exit(0);
}
void
local_chpass(char *argv[])
{
/* login_lchpass doesn't check instance so don't bother restoring it */
argv[0] = strrchr(_PATH_LOGIN_LCHPASS, '/') + 1;
execv(_PATH_LOGIN_LCHPASS, argv);
syslog(LOG_ERR, "%s: %m", _PATH_LOGIN_LCHPASS);
exit(1);
}