shadow/lib/sppack.c

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/*
* Copyright 1990 - 1994, Julianne Frances Haugh
* 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. Neither the name of Julianne F. Haugh nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JULIE HAUGH 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 JULIE HAUGH 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 SHADOWPWD /*{*/
#include "rcsid.h"
RCSID("$Id: sppack.c,v 1.3 1997/12/07 23:26:58 marekm Exp $")
#include <stdio.h>
#include <sys/types.h>
#include "defines.h"
int
spw_pack(const struct spwd *spwd, char *buf)
{
char *cp;
cp = buf;
strcpy (cp, spwd->sp_namp);
cp += strlen (cp) + 1;
strcpy (cp, spwd->sp_pwdp);
cp += strlen (cp) + 1;
memcpy (cp, &spwd->sp_min, sizeof spwd->sp_min);
cp += sizeof spwd->sp_min;
memcpy (cp, &spwd->sp_max, sizeof spwd->sp_max);
cp += sizeof spwd->sp_max;
memcpy (cp, &spwd->sp_lstchg, sizeof spwd->sp_lstchg);
cp += sizeof spwd->sp_lstchg;
memcpy (cp, &spwd->sp_warn, sizeof spwd->sp_warn);
cp += sizeof spwd->sp_warn;
memcpy (cp, &spwd->sp_inact, sizeof spwd->sp_inact);
cp += sizeof spwd->sp_inact;
memcpy (cp, &spwd->sp_expire, sizeof spwd->sp_expire);
cp += sizeof spwd->sp_expire;
memcpy (cp, &spwd->sp_flag, sizeof spwd->sp_flag);
cp += sizeof spwd->sp_flag;
return cp - buf;
}
int
spw_unpack(char *buf, int len, struct spwd *spwd)
{
char *org = buf;
spwd->sp_namp = buf;
buf += strlen (buf) + 1;
spwd->sp_pwdp = buf;
buf += strlen (buf) + 1;
memcpy (&spwd->sp_min, buf, sizeof spwd->sp_min);
buf += sizeof spwd->sp_min;
memcpy (&spwd->sp_max, buf, sizeof spwd->sp_max);
buf += sizeof spwd->sp_max;
memcpy (&spwd->sp_lstchg, buf, sizeof spwd->sp_lstchg);
buf += sizeof spwd->sp_lstchg;
memcpy (&spwd->sp_warn, buf, sizeof spwd->sp_warn);
buf += sizeof spwd->sp_warn;
memcpy (&spwd->sp_inact, buf, sizeof spwd->sp_inact);
buf += sizeof spwd->sp_inact;
memcpy (&spwd->sp_expire, buf, sizeof spwd->sp_expire);
buf += sizeof spwd->sp_expire;
memcpy (&spwd->sp_flag, buf, sizeof spwd->sp_flag);
buf += sizeof spwd->sp_flag;
if (buf - org > len)
return -1;
return 0;
}
#endif /*}*/