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/*
* Copyright (c) 1992 , Julianne Frances Haugh
* Copyright (c) 1996 - 1998, Marek Michałkiewicz
* Copyright (c) 2005 , Tomasz Kłoczko
* 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>
#ifndef HAVE_LCKPWDF
#ident "$Id$"
#include "prototypes.h"
#include "defines.h"
#include "pwio.h"
#include "shadowio.h"
/*
* lckpwdf - lock the password files
*/
int lckpwdf (void)
{
int i;
/*
* We have 15 seconds to lock the whole mess
*/
for (i = 0; i < 15; i++)
if (pw_lock ())
break;
else
sleep (1);
/*
* Did we run out of time?
*/
if (i == 15)
return -1;
/*
* Nope, use any remaining time to lock the shadow password
* file.
*/
for (; i < 15; i++)
if (spw_lock ())
break;
else
sleep (1);
/*
* Out of time yet?
*/
if (i == 15) {
pw_unlock ();
return -1;
}
/*
* Nope - and both files are now locked.
*/
return 0;
}
/*
* ulckpwdf - unlock the password files
*/
int ulckpwdf (void)
{
/*
* Unlock both files.
*/
return (pw_unlock () && spw_unlock ())? 0 : -1;
}
#else
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif
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