compat/daemon-darwin.c

   1 /*
   2  * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  13  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  14  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 /*
  18  * Copyright (c) 2011-2013, Chris Johnsen <chris_johnsen@pobox.com>
  19  * All rights reserved.
  20  *
  21  * Redistribution and use in source and binary forms, with or without
  22  * modification, are permitted provided that the following conditions
  23  * are met:
  24  *
  25  *     1. Redistributions of source code must retain the above
  26  *        copyright notice, this list of conditions and the following
  27  *        disclaimer.
  28  *
  29  *     2. Redistributions in binary form must reproduce the above
  30  *        copyright notice, this list of conditions and the following
  31  *        disclaimer in the documentation and/or other materials
  32  *        provided with the distribution.
  33  *
  34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  37  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  38  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  39  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  40  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  41  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  42  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  43  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  44  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  45  * POSSIBILITY OF SUCH DAMAGE.
  46 */
  47
  48 #include <sys/types.h>
  49
  50 #include <mach/mach.h>
  51
  52 #include <Availability.h>
  53 #include <unistd.h>
  54
  55 void daemon_darwin(void);
  56
  57 #ifdef __MAC_10_10
  58
  59 extern kern_return_t    bootstrap_look_up_per_user(mach_port_t, const char *,
  60                             uid_t, mach_port_t *);
  61 extern kern_return_t    bootstrap_get_root(mach_port_t, mach_port_t *);
  62
  63 void
  64 daemon_darwin(void)
  65 {
  66         mach_port_t     root = MACH_PORT_NULL;
  67         mach_port_t     s = MACH_PORT_NULL;
  68         uid_t           uid;
  69
  70         uid = getuid();
  71         if (bootstrap_get_root(bootstrap_port, &root) == KERN_SUCCESS &&
  72             bootstrap_look_up_per_user(root, NULL, uid, &s) == KERN_SUCCESS &&
  73             task_set_bootstrap_port(mach_task_self(), s) == KERN_SUCCESS &&
  74             mach_port_deallocate(mach_task_self(), bootstrap_port) == KERN_SUCCESS)
  75                 bootstrap_port = s;
  76 }
  77
  78 #else
  79
  80 void
  81 daemon_darwin(void)
  82 {
  83 }
  84
  85 #endif