kcm/sessions.c

   1 /*
   2  * Copyright (c) 2009 Kungliga Tekniska Högskolan
   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 }