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#ifdef USE_SHADOW
#include <shadow.h>
#include <time.h>
#include "isexpired.h"
/*
* Check password aging info when using shadow passwords. Returns:
* 3 - after account expiration date
* 2 - expired password not changed for too long
* 1 - password expired, must be changed
* 0 - success, or no shadow password information at all
*
* Written by Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl>,
* public domain.
*/
int
isexpired(const struct spwd *sp)
{
long now, change;
if (!sp)
return 0;
now = (time(NULL) / (24L * 3600L));
if (sp->sp_expire > 0 && now >= sp->sp_expire)
return 3;
if (sp->sp_lstchg > 0 && sp->sp_max > 0) {
change = sp->sp_lstchg + sp->sp_max;
if (sp->sp_inact >= 0 && now >= change + sp->sp_inact)
return 2;
if (now >= change)
return 1;
}
if (sp->sp_lstchg == 0)
return 1;
return 0;
}
#endif
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