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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Interfaces to audit_user(4) (/etc/security/audit_user) */
#include <stdio.h>
#include <limits.h>
#include <sys/types.h>
#include <string.h>
#include <bsm/audit.h>
#include <bsm/libbsm.h>
#include <synch.h>
#include <nss_dbdefs.h>
#include <stdlib.h>
#include <utmpx.h>
#define MAX_USERNAME sizeof (((struct utmpx *)0)->ut_user)
static mutex_t mutex_userfile = DEFAULTMUTEX;
static au_user_ent_t *auuserstr2ent(au_user_ent_t *, au_user_str_t *);
/* Externs from libnsl */
extern void _setauuser(void);
extern void _endauuser(void);
extern au_user_str_t *_getauuserent(au_user_str_t *, char *, int, int *);
extern au_user_str_t *_getauusernam(char *, au_user_str_t *, char *, int,
int *);
void
setauuser()
{
(void) mutex_lock(&mutex_userfile);
_setauuser();
(void) mutex_unlock(&mutex_userfile);
}
void
endauuser()
{
(void) mutex_lock(&mutex_userfile);
_endauuser();
(void) mutex_unlock(&mutex_userfile);
}
au_user_ent_t *
getauuserent()
{
static au_user_ent_t au_user_entry;
static char logname[MAX_USERNAME+1];
/* initialize au_user_entry structure */
au_user_entry.au_name = logname;
return (getauuserent_r(&au_user_entry));
}
au_user_ent_t *
getauuserent_r(au_user_ent_t *au_user_entry)
{
au_user_str_t us;
au_user_str_t *tmp;
char buf[NSS_BUFLEN_AUDITUSER];
int errp = 0;
(void) mutex_lock(&mutex_userfile);
(void) memset(buf, NULL, NSS_BUFLEN_AUDITUSER);
tmp = _getauuserent(&us, buf, NSS_BUFLEN_AUDITUSER, &errp);
(void) mutex_unlock(&mutex_userfile);
return (auuserstr2ent(au_user_entry, tmp));
}
au_user_ent_t *
getauusernam(char *name)
{
static au_user_ent_t u;
static char logname[MAX_USERNAME+1];
/* initialize au_user_entry structure */
u.au_name = logname;
return (getauusernam_r(&u, name));
}
au_user_ent_t *
getauusernam_r(au_user_ent_t *u, char *name)
{
au_user_str_t us;
au_user_str_t *tmp;
char buf[NSS_BUFLEN_AUDITUSER];
int errp = 0;
if (name == NULL) {
return ((au_user_ent_t *)NULL);
}
tmp = _getauusernam(name, &us, buf, NSS_BUFLEN_AUDITUSER, &errp);
return (auuserstr2ent(u, tmp));
}
static au_user_ent_t *
auuserstr2ent(au_user_ent_t *ue, au_user_str_t *us)
{
if (us == NULL)
return (NULL);
if (getauditflagsbin(us->au_always, &ue->au_always) < 0) {
return (NULL);
}
if (getauditflagsbin(us->au_never, &ue->au_never) < 0) {
ue->au_never.am_success = AU_MASK_NONE;
ue->au_never.am_failure = AU_MASK_NONE;
}
(void) strncpy(ue->au_name, us->au_name, MAX_USERNAME);
return (ue);
}
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