| 1 | /* |
| 2 | * Copyright (c) 2015 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| 9 | * compliance with the License. The rights granted to you under the License |
| 10 | * may not be used to create, or enable the creation or redistribution of, |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| 13 | * terms of an Apple operating system software license agreement. |
| 14 | * |
| 15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| 17 | * |
| 18 | * The Original Code and all software distributed under the License are |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and |
| 24 | * limitations under the License. |
| 25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ |
| 28 | #include <mach/host_priv.h> |
| 29 | #include <mach/host_special_ports.h> |
| 30 | #include <mach/mach_types.h> |
| 31 | #include <ipc/ipc_port.h> |
| 32 | |
| 33 | #include <mach/sysdiagnose_notification.h> |
| 34 | |
| 35 | #include <kern/misc_protos.h> |
| 36 | #include <kern/host.h> |
| 37 | |
| 38 | #include <sys/kdebug.h> |
| 39 | |
| 40 | extern kern_return_t sysdiagnose_notify_user(uint32_t); |
| 41 | |
| 42 | /* |
| 43 | * If userland has registered a port for sysdiagnose notifications, send one now. |
| 44 | */ |
| 45 | kern_return_t |
| 46 | sysdiagnose_notify_user(uint32_t keycode) |
| 47 | { |
| 48 | mach_port_t user_port; |
| 49 | kern_return_t kr; |
| 50 | |
| 51 | kr = host_get_sysdiagnose_port(host_priv_self(), &user_port); |
| 52 | if ((kr != KERN_SUCCESS) || !IPC_PORT_VALID(user_port)) { |
| 53 | return kr; |
| 54 | } |
| 55 | |
| 56 | KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_SYSDIAGNOSE, SYSDIAGNOSE_NOTIFY_USER) | DBG_FUNC_START, 0, 0, 0, 0, 0); |
| 57 | |
| 58 | kr = send_sysdiagnose_notification_with_audit_token(sysdiagnose_port: user_port, flags: keycode); |
| 59 | ipc_port_release_send(port: user_port); |
| 60 | return kr; |
| 61 | } |
| 62 | |