shadow/libmisc/pam_pass.c

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/*
* Copyright (c) 1997 - 1999, Marek Michałkiewicz
* Copyright (c) 2001 - 2005, Tomasz Kłoczko
* Copyright (c) 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>
#ifdef USE_PAM
#ident "$Id$"
/*
* Change the user's password using PAM.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include "defines.h"
#include "pam_defs.h"
#include "prototypes.h"
#include "shadowlog.h"
void do_pam_passwd (const char *user, bool silent, bool change_expired)
{
pam_handle_t *pamh = NULL;
int flags = 0, ret;
FILE *shadow_logfd = log_get_logfd();
if (silent)
flags |= PAM_SILENT;
if (change_expired)
flags |= PAM_CHANGE_EXPIRED_AUTHTOK;
ret = pam_start ("passwd", user, &conv, &pamh);
if (ret != PAM_SUCCESS) {
fprintf (shadow_logfd,
_("passwd: pam_start() failed, error %d\n"), ret);
exit (10); /* XXX */
}
ret = pam_chauthtok (pamh, flags);
if (ret != PAM_SUCCESS) {
fprintf (shadow_logfd, _("passwd: %s\n"), pam_strerror (pamh, ret));
fputs (_("passwd: password unchanged\n"), shadow_logfd);
pam_end (pamh, ret);
exit (10); /* XXX */
}
fputs (_("passwd: password updated successfully\n"), shadow_logfd);
(void) pam_end (pamh, PAM_SUCCESS);
}
#else /* !USE_PAM */
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif /* !USE_PAM */