__failed_count.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <string.h>
#include <syslog.h>
#include "passwdutil.h"
int
__incr_failed_count(char *username, char *repname, int max_failures)
{
int ret;
void *buf;
attrlist items[1];
repops_t *ops = &rops[REP_FILES];
/* account locking only defined for files */
if (strcmp(repname, "files") != 0)
return (PWU_SUCCESS);
if ((ret = ops->lock()) != PWU_SUCCESS)
return (ret);
items[0].type = ATTR_INCR_FAILED_LOGINS;
items[0].next = NULL;
if ((ret = ops->getpwnam(username, items, NULL, &buf)) != PWU_SUCCESS)
goto out;
/* We increment the failed count by one */
if ((ret = ops->update(items, NULL, buf)) != PWU_SUCCESS)
goto out;
/* Did we just exceed "max_failures" ? */
if (items[0].data.val_i == max_failures) {
syslog(LOG_AUTH|LOG_NOTICE,
"Excessive (%d) login failures for %s: locking account.",
max_failures, username);
items[0].type = ATTR_LOCK_ACCOUNT;
if ((ret = ops->update(items, NULL, buf)) != PWU_SUCCESS)
goto out;
}
ret = ops->putpwnam(username, NULL, NULL, NULL, buf);
out:
ops->unlock();
return (ret);
}
/*
* reset the failed count.
* returns the number of failed logins before the reset, or an error (< 0)
*/
int
__rst_failed_count(char *username, char *repname)
{
int ret;
void *buf;
attrlist items[1];
repops_t *ops = &rops[REP_FILES];
/* account locking only defined for files */
if (strcmp(repname, "files") != 0)
return (PWU_SUCCESS);
if ((ret = ops->lock()) != PWU_SUCCESS)
return (ret);
items[0].type = ATTR_RST_FAILED_LOGINS;
items[0].next = NULL;
if ((ret = ops->getpwnam(username, items, NULL, &buf)) != PWU_SUCCESS)
goto out;
if ((ret = ops->update(items, NULL, buf)) != PWU_SUCCESS)
goto out;
ret = ops->putpwnam(username, NULL, NULL, NULL, buf);
out:
ops->unlock();
return (ret != PWU_SUCCESS ? ret : items[0].data.val_i);
}