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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/kadm5/srv/pwqual_empty.c */
/*
* Copyright (C) 2010 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/* Password quality module to reject empty passwords */
#include "k5-int.h"
#include <krb5/pwqual_plugin.h>
#include "server_internal.h"
static krb5_error_code
empty_check(krb5_context context, krb5_pwqual_moddata data,
const char *password, const char *policy_name,
krb5_principal princ, const char **languages)
{
/* Unlike other built-in modules, this one operates even for principals
* with no password policy. */
if (*password == '\0') {
k5_setmsg(context, KADM5_PASS_Q_TOOSHORT,
_("Empty passwords are not allowed"));
return KADM5_PASS_Q_TOOSHORT;
}
return 0;
}
krb5_error_code
pwqual_empty_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable)
{
krb5_pwqual_vtable vt;
if (maj_ver != 1)
return KRB5_PLUGIN_VER_NOTSUPP;
vt = (krb5_pwqual_vtable)vtable;
vt->name = "empty";
vt->check = empty_check;
return 0;
}
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