xref: /src/crypto/external/bsd/heimdal/dist/kcm/sessions.c

/*	$NetBSD: sessions.c,v 1.1.1.1.10.1 2014/08/19 23:45:16 tls Exp $	*/

/*
 * Copyright (c) 2009 Kungliga Tekniska Hgskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "kcm_locl.h"

#if 0
#include <bsm/audit_session.h>
#endif

void
kcm_session_add(pid_t session_id)
{
    kcm_log(1, "monitor session: %d\n", session_id);
}

void
kcm_session_setup_handler(void)
{
#if 0
    au_sdev_handle_t *h;
    dispatch_queue_t bgq;

    h = au_sdev_open(AU_SDEVF_ALLSESSIONS);
    if (h == NULL)
	return;

    bgq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0);

    dispatch_async(bgq, ^{
	    for (;;) {
		auditinfo_addr_t aio;
		int event;

		if (au_sdev_read_aia(h, &event, &aio) != 0)
		    continue;

		/*
		 * Ignore everything but END. This should relly be
		 * CLOSE but since that is delayed until the credential
		 * is reused, we can't do that
		 * */
		if (event != AUE_SESSION_END)
		    continue;

		dispatch_async(dispatch_get_main_queue(), ^{
			kcm_cache_remove_session(aio.ai_asid);
		    });
	    }
	});
#endif
}