1 | /* |
2 | * Copyright (c) 2021 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 | #ifndef _SYS_PROC_RO_H_ |
30 | #define _SYS_PROC_RO_H_ |
31 | |
32 | #include <stdint.h> |
33 | #include <sys/_types/_pid_t.h> |
34 | #include <sys/cdefs.h> |
35 | #include <kern/smr_types.h> |
36 | |
37 | __BEGIN_DECLS __ASSUME_PTR_ABI_SINGLE_BEGIN |
38 | #pragma GCC visibility push(hidden) |
39 | |
40 | struct proc; |
41 | struct task; |
42 | struct ucred; |
43 | |
44 | struct proc_platform_ro_data { |
45 | uint32_t p_platform; |
46 | uint32_t p_min_sdk; |
47 | uint32_t p_sdk; |
48 | }; |
49 | |
50 | struct task_token_ro_data { |
51 | security_token_t sec_token; |
52 | audit_token_t audit_token; |
53 | }; |
54 | |
55 | struct task_filter_ro_data { |
56 | uint8_t *__unsafe_indexable mach_trap_filter_mask; /* Mach trap filter bitmask (len: mach_trap_count bits) */ |
57 | uint8_t *__unsafe_indexable mach_kobj_filter_mask; /* Mach kobject filter bitmask (len: mach_kobj_count bits) */ |
58 | }; |
59 | |
60 | struct proc_ro { |
61 | struct proc *pr_proc; |
62 | struct task *pr_task; |
63 | |
64 | __xnu_struct_group(proc_ro_data, proc_data, { |
65 | uint64_t p_uniqueid; /* process unique ID - incremented on fork/spawn/vfork, remains same across exec. */ |
66 | int p_idversion; /* version of process identity */ |
67 | uint32_t p_csflags; |
68 | SMR_POINTER(struct ucred *) p_ucred; /* Process owner's identity. (PUCL) */ |
69 | uint8_t *__unsafe_indexable syscall_filter_mask; /* syscall filter bitmask (length: nsysent bits) */ |
70 | struct proc_platform_ro_data p_platform_data; |
71 | }); |
72 | |
73 | __xnu_struct_group(task_ro_data, task_data, { |
74 | /* Task security and audit tokens */ |
75 | struct task_token_ro_data task_tokens; |
76 | #ifdef CONFIG_MACF |
77 | struct task_filter_ro_data task_filters; |
78 | #endif |
79 | uint32_t t_flags_ro; /* RO-protected task flags (see osfmk/kern/task.h) */ |
80 | uint32_t task_control_port_options; |
81 | }); |
82 | }; |
83 | |
84 | typedef const struct proc_ro_data *proc_ro_data_t; |
85 | typedef const struct task_ro_data *task_ro_data_t; |
86 | typedef struct proc_ro *proc_ro_t; |
87 | |
88 | extern proc_ro_t proc_ro_alloc(struct proc *p, proc_ro_data_t p_data, struct task *t, task_ro_data_t t_data); |
89 | extern proc_ro_t proc_ro_ref_task(proc_ro_t pr, struct task *t, task_ro_data_t t_data); |
90 | extern void proc_ro_erase_task(proc_ro_t pr); |
91 | |
92 | extern proc_ro_t proc_get_ro(struct proc *p) __pure2; |
93 | extern proc_ro_t task_get_ro(struct task *t) __pure2; |
94 | |
95 | extern struct task *proc_ro_task(proc_ro_t pr) __pure2; |
96 | |
97 | #pragma GCC visibility pop |
98 | __ASSUME_PTR_ABI_SINGLE_END __END_DECLS |
99 | |
100 | #endif /* _SYS_PROC_RO_H_ */ |
101 | |