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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
29 #include <TargetConditionals.h>
30 #include <machine/cpu_capabilities.h>
31 #include <mach/kern_return.h>
32 #include <mach/mach_host.h>
33 #include <mach/host_priv.h>
34 #include <sys/types.h>
35
36 kern_return_t
37 host_get_atm_diagnostic_flag(host_t host __unused,
38 uint32_t *diagnostic_flag)
39 {
40 *diagnostic_flag = COMM_PAGE_READ(uint32_t, ATM_DIAGNOSTIC_CONFIG);
41 return KERN_SUCCESS;
42 }
43
44 kern_return_t
45 host_get_multiuser_config_flags(host_t host __unused,
46 uint32_t *multiuser_flags)
47 {
48 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
49 *multiuser_flags = COMM_PAGE_READ(uint32_t, MULTIUSER_CONFIG);
50 return KERN_SUCCESS;
51 #else
52 (void)multiuser_flags;
53 return KERN_NOT_SUPPORTED;
54 #endif
55 }
56
57 kern_return_t
58 host_check_multiuser_mode(host_t host __unused,
59 uint32_t *multiuser_mode)
60 {
61 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
62 uint32_t multiuser_flags;
63 kern_return_t kr;
64
65 kr = host_get_multiuser_config_flags(host, &multiuser_flags);
66 if (kr != KERN_SUCCESS) {
67 return kr;
68 }
69 *multiuser_mode = (multiuser_flags & kIsMultiUserDevice) == kIsMultiUserDevice;
70 return KERN_SUCCESS;
71 #else
72 (void)multiuser_mode;
73 return KERN_NOT_SUPPORTED;
74 #endif
75 }
76
77 extern kern_return_t
78 _kernelrpc_host_create_mach_voucher(mach_port_name_t host,
79 mach_voucher_attr_raw_recipe_array_t recipes,
80 mach_voucher_attr_recipe_size_t recipesCnt,
81 mach_port_name_t *voucher);
82
83 kern_return_t
84 host_create_mach_voucher(mach_port_name_t host,
85 mach_voucher_attr_raw_recipe_array_t recipes,
86 mach_voucher_attr_recipe_size_t recipesCnt,
87 mach_port_name_t *voucher)
88 {
89 kern_return_t rv;
90
91 rv = host_create_mach_voucher_trap(host, recipes, recipesCnt, voucher);
92
93 #ifdef __x86_64__
94 /* REMOVE once XBS kernel has new trap */
95 if (rv == ((1 << 24) | 70)) { /* see mach/i386/syscall_sw.h */
96 rv = MACH_SEND_INVALID_DEST;
97 }
98 #elif defined(__i386__)
99 /* REMOVE once XBS kernel has new trap */
100 if (rv == (kern_return_t)(-70)) {
101 rv = MACH_SEND_INVALID_DEST;
102 }
103 #endif
104
105 if (rv == MACH_SEND_INVALID_DEST) {
106 rv = _kernelrpc_host_create_mach_voucher(host, recipes, recipesCnt, voucher);
107 }
108
109 return rv;
110 }