xref: /freebsd/crypto/heimdal/kcm/sessions.c (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 /*
2  * Copyright (c) 2009 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "kcm_locl.h"
37 
38 #if 0
39 #include <bsm/audit_session.h>
40 #endif
41 
42 void
43 kcm_session_add(pid_t session_id)
44 {
45     kcm_log(1, "monitor session: %d\n", session_id);
46 }
47 
48 void
49 kcm_session_setup_handler(void)
50 {
51 #if 0
52     au_sdev_handle_t *h;
53     dispatch_queue_t bgq;
54 
55     h = au_sdev_open(AU_SDEVF_ALLSESSIONS);
56     if (h == NULL)
57 	return;
58 
59     bgq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0);
60 
61     dispatch_async(bgq, ^{
62 	    for (;;) {
63 		auditinfo_addr_t aio;
64 		int event;
65 
66 		if (au_sdev_read_aia(h, &event, &aio) != 0)
67 		    continue;
68 
69 		/*
70 		 * Ignore everything but END. This should relly be
71 		 * CLOSE but since that is delayed until the credential
72 		 * is reused, we can't do that
73 		 * */
74 		if (event != AUE_SESSION_END)
75 		    continue;
76 
77 		dispatch_async(dispatch_get_main_queue(), ^{
78 			kcm_cache_remove_session(aio.ai_asid);
79 		    });
80 	    }
81 	});
82 #endif
83 }
84