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/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <nss.h>
#include <stdio.h>
#include <shadow.h>
#define flockfile(s) _IO_flockfile (s)
#define funlockfile(s) _IO_funlockfile (s)
#define _S(x) x ? x : ""
/* Write an entry to the given stream.
This must know the format of the password file. */
int
putspent (const struct spwd *p, FILE *stream)
{
int errors = 0;
if (p->sp_namp == NULL || !__nss_valid_field (p->sp_namp)
|| !__nss_valid_field (p->sp_pwdp))
{
__set_errno (EINVAL);
return -1;
}
flockfile (stream);
if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0)
++errors;
if ((p->sp_lstchg != (long int) -1
&& fprintf (stream, "%ld:", p->sp_lstchg) < 0)
|| (p->sp_lstchg == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if ((p->sp_min != (long int) -1
&& fprintf (stream, "%ld:", p->sp_min) < 0)
|| (p->sp_min == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if ((p->sp_max != (long int) -1
&& fprintf (stream, "%ld:", p->sp_max) < 0)
|| (p->sp_max == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if ((p->sp_warn != (long int) -1
&& fprintf (stream, "%ld:", p->sp_warn) < 0)
|| (p->sp_warn == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if ((p->sp_inact != (long int) -1
&& fprintf (stream, "%ld:", p->sp_inact) < 0)
|| (p->sp_inact == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if ((p->sp_expire != (long int) -1
&& fprintf (stream, "%ld:", p->sp_expire) < 0)
|| (p->sp_expire == (long int) -1
&& putc_unlocked (':', stream) == EOF))
++errors;
if (p->sp_flag != ~0ul
&& fprintf (stream, "%ld", p->sp_flag) < 0)
++errors;
if (putc_unlocked ('\n', stream) == EOF)
++errors;
funlockfile (stream);
return errors ? -1 : 0;
}
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