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/*
** Copyright 1998 - 2005 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SHADOW_H
#include <shadow.h>
#endif
#include "auth.h"
#include "courierauthdebug.h"
int auth_shadow_pre(const char *userid, const char *service,
int (*callback)(struct authinfo *, void *),
void *arg)
{
struct authinfo auth;
struct passwd *pw;
struct spwd *spw;
long today;
memset(&auth, 0, sizeof(auth));
if ((pw=getpwnam(userid)) == NULL)
{
if (errno == ENOMEM) return 1;
return -1;
}
if ((spw=getspnam(userid)) == NULL)
{
if (errno == ENOMEM) return 1;
return -1;
}
today = (long)time(NULL)/(24L*60*60);
if ((spw->sp_expire > 0) && (today > spw->sp_expire))
{
DPRINTF("authshadow: %s - account expired", userid);
return -1; /* account expired */
}
if ((spw->sp_lstchg != -1) && (spw->sp_max != -1) &&
((spw->sp_lstchg + spw->sp_max) < today))
{
DPRINTF("authshadow: %s - password expired", userid);
return -1; /* password expired */
}
auth.sysusername=userid;
auth.sysgroupid=pw->pw_gid;
auth.homedir=pw->pw_dir;
auth.address=userid;
auth.fullname=pw->pw_gecos;
auth.passwd=spw->sp_pwdp;
courier_authdebug_authinfo("DEBUG: authshadow: ", &auth, 0, pw->pw_passwd);
return ((*callback)(&auth, arg));
}
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