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/*
lookup_shadow.c - simple lookup code for shadow entries
Copyright (C) 2013 Arthur de Jong
This 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.
This 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#ifndef HAVE_SHADOW_H
/* dummy implementation that does nothing for FreeBSD */
int main(int argc,char *argv[])
{
fprintf(stderr, "%s: shadow lookups unsupported\n", argv[0]);
return 1;
}
#else /* HAVE_SHADOW_H */
#include <shadow.h>
static void print_shadow(struct spwd *result)
{
printf("%s:%s:", result->sp_namp, result->sp_pwdp);
if (result->sp_lstchg >= 0)
printf("%d", result->sp_lstchg);
printf(":");
if (result->sp_min >= 0)
printf("%d", (int)result->sp_min);
printf(":");
if (result->sp_max >= 0)
printf("%d", (int)result->sp_max);
printf(":");
if (result->sp_warn >= 0)
printf("%d", (int)result->sp_warn);
printf(":");
if (result->sp_inact >= 0)
printf("%d", (int)result->sp_inact);
printf(":");
if (result->sp_expire >= 0)
printf("%d", (int)result->sp_expire);
printf(":");
if (result->sp_flag >= 0)
printf("%x", (int)result->sp_flag);
printf("\n");
}
/* the main program... */
int main(int argc,char *argv[])
{
struct spwd *result;
/* check arguments */
if ((argc != 1) && (argc != 2))
{
fprintf(stderr, "Usage: %s [USERNAME]\n", argv[0]);
exit(EXIT_FAILURE);
}
/* start lookup */
if (argc == 2)
{
/* get entry by name */
errno = 0;
result = getspnam(argv[1]);
if (result == NULL)
exit(EXIT_FAILURE);
print_shadow(result);
}
else /* argc == 1 */
{
/* get all entries */
setspent();
while ((result = getspent()) != NULL)
print_shadow(result);
endspent();
}
return 0;
}
#endif /* HAVE_SHADOW_H */
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