shadow/libmisc/pwdcheck.c

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/*
* Copyright (c) 2000 - 2005, Tomasz Kłoczko
* Copyright (c) 2007 - 2008, Nicolas François
* 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. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDERS 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.
*/
#include <config.h>
#ident "$Id$"
#ifndef USE_PAM
#include <stdio.h>
#include <shadow.h>
#include "prototypes.h"
#include "defines.h"
#include "pwauth.h"
#include "shadowlog.h"
void passwd_check (const char *user, const char *passwd, unused const char *progname)
{
struct spwd *sp;
sp = getspnam (user); /* !USE_PAM, no need for xgetspnam */
if (NULL != sp) {
passwd = sp->sp_pwdp;
}
if (pw_auth (passwd, user, PW_LOGIN, (char *) 0) != 0) {
SYSLOG ((LOG_WARN, "incorrect password for `%s'", user));
(void) sleep (1);
fprintf (log_get_logfd(), _("Incorrect password for %s.\n"), user);
exit (EXIT_FAILURE);
}
}
#else /* USE_PAM */
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif /* USE_PAM */