freebsd-skq/contrib/openpam/lib/pam_chauthtok.c
2002-04-14 18:28:22 +00:00

92 lines
3.0 KiB
C

/*-
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $P4: //depot/projects/openpam/lib/pam_chauthtok.c#11 $
*/
#include <sys/param.h>
#include <security/pam_appl.h>
#include "openpam_impl.h"
/*
* XSSO 4.2.1
* XSSO 6 page 38
*
* Perform password related functions within the PAM framework
*/
int
pam_chauthtok(pam_handle_t *pamh,
int flags)
{
int pam_err;
if (flags & ~(PAM_SILENT|PAM_CHANGE_EXPIRED_AUTHTOK))
return (PAM_SYMBOL_ERR);
pam_err = openpam_dispatch(pamh, PAM_SM_CHAUTHTOK,
flags | PAM_PRELIM_CHECK);
if (pam_err == PAM_SUCCESS)
pam_err = openpam_dispatch(pamh, PAM_SM_CHAUTHTOK,
flags | PAM_UPDATE_AUTHTOK);
pam_set_item(pamh, PAM_OLDAUTHTOK, NULL);
pam_set_item(pamh, PAM_AUTHTOK, NULL);
return (pam_err);
}
/*
* Error codes:
*
* =openpam_dispatch
* =pam_sm_chauthtok
* !PAM_IGNORE
* PAM_SYMBOL_ERR
*/
/**
* The =pam_chauthtok function attempts to change the authentication token
* for the user associated with the pam context specified by the =pamh
* argument.
*
* The =flags argument is the binary or of zero or more of the following
* values:
*
* =PAM_SILENT:
* Do not emit any messages.
* =PAM_CHANGE_EXPIRED_AUTHTOK:
* Change only those authentication tokens that have expired.
*
* If any other bits are set, =pam_chauthtok will return =PAM_SYMBOL_ERR.
*/