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 86