crypto/external/bsd/heimdal/dist/kcm/sessions.c

   1 /*      $NetBSD: sessions.c,v 1.1.1.2 2014/04/24 12:45:27 pettai Exp $  */
   2
   3 /*
   4  * Copyright (c) 2009 Kungliga Tekniska Högskolan
   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 }