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      1 /*	$NetBSD: sessions.c,v 1.2 2017/01/28 21:31:44 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2009 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  *
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  *
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  *
     21  * 3. Neither the name of the Institute nor the names of its contributors
     22  *    may be used to endorse or promote products derived from this software
     23  *    without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  */
     37 
     38 #include "kcm_locl.h"
     39 
     40 #if 0
     41 #include <bsm/audit_session.h>
     42 #endif
     43 
     44 void
     45 kcm_session_add(pid_t session_id)
     46 {
     47     kcm_log(1, "monitor session: %d\n", session_id);
     48 }
     49 
     50 void
     51 kcm_session_setup_handler(void)
     52 {
     53 #if 0
     54     au_sdev_handle_t *h;
     55     dispatch_queue_t bgq;
     56 
     57     h = au_sdev_open(AU_SDEVF_ALLSESSIONS);
     58     if (h == NULL)
     59 	return;
     60 
     61     bgq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0);
     62 
     63     dispatch_async(bgq, ^{
     64 	    for (;;) {
     65 		auditinfo_addr_t aio;
     66 		int event;
     67 
     68 		if (au_sdev_read_aia(h, &event, &aio) != 0)
     69 		    continue;
     70 
     71 		/*
     72 		 * Ignore everything but END. This should relly be
     73 		 * CLOSE but since that is delayed until the credential
     74 		 * is reused, we can't do that
     75 		 * */
     76 		if (event != AUE_SESSION_END)
     77 		    continue;
     78 
     79 		dispatch_async(dispatch_get_main_queue(), ^{
     80 			kcm_cache_remove_session(aio.ai_asid);
     81 		    });
     82 	    }
     83 	});
     84 #endif
     85 }
     86