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39037602 | 1 | /* |
cb323159 | 2 | * Copyright (c) 2019 Apple Inc. All rights reserved. |
39037602 A |
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 _REASON_H_ | |
30 | #define _REASON_H_ | |
31 | ||
32 | #include <stdint.h> | |
33 | ||
34 | __BEGIN_DECLS | |
35 | ||
d190cdc3 | 36 | #ifdef KERNEL_PRIVATE |
39037602 A |
37 | |
38 | #include <kern/kern_cdata.h> | |
cb323159 | 39 | #include <os/refcnt.h> |
39037602 A |
40 | |
41 | #ifdef XNU_KERNEL_PRIVATE | |
42 | #include <kern/locks.h> | |
43 | ||
44 | typedef struct os_reason { | |
cb323159 A |
45 | decl_lck_mtx_data(, osr_lock); |
46 | os_refcnt_t osr_refcount; | |
0a7de745 A |
47 | uint32_t osr_namespace; |
48 | uint64_t osr_code; | |
49 | uint64_t osr_flags; | |
50 | uint32_t osr_bufsize; | |
51 | struct kcdata_descriptor osr_kcd_descriptor; | |
52 | char *osr_kcd_buf; | |
39037602 A |
53 | } *os_reason_t; |
54 | ||
55 | #define OS_REASON_NULL ((os_reason_t) 0) | |
56 | ||
57 | /* We only include 800 bytes of the exit reason description to not blow through the panic buffer */ | |
58 | #define LAUNCHD_PANIC_REASON_STRING_MAXLEN "800" | |
59 | ||
60 | void os_reason_init(void); | |
61 | ||
62 | os_reason_t build_userspace_exit_reason(uint32_t reason_namespace, uint64_t reason_code, user_addr_t payload, uint32_t payload_size, | |
0a7de745 | 63 | user_addr_t reason_string, uint64_t reason_flags); |
39037602 A |
64 | char *launchd_exit_reason_get_string_desc(os_reason_t exit_reason); |
65 | ||
d190cdc3 A |
66 | /* The blocking allocation is currently not exported to KEXTs */ |
67 | int os_reason_alloc_buffer(os_reason_t cur_reason, uint32_t osr_bufsize); | |
68 | ||
39037602 A |
69 | #else /* XNU_KERNEL_PRIVATE */ |
70 | ||
71 | typedef void * os_reason_t; | |
72 | ||
73 | #endif /* XNU_KERNEL_PRIVATE */ | |
74 | ||
75 | os_reason_t os_reason_create(uint32_t osr_namespace, uint64_t osr_code); | |
d190cdc3 | 76 | int os_reason_alloc_buffer_noblock(os_reason_t cur_reason, uint32_t osr_bufsize); |
39037602 A |
77 | struct kcdata_descriptor * os_reason_get_kcdata_descriptor(os_reason_t cur_reason); |
78 | void os_reason_ref(os_reason_t cur_reason); | |
79 | void os_reason_free(os_reason_t cur_reason); | |
cb323159 A |
80 | void os_reason_set_flags(os_reason_t cur_reason, uint64_t flags); |
81 | void os_reason_set_description_data(os_reason_t cur_reason, uint32_t type, void *reason_data, uint32_t reason_data_len); | |
d190cdc3 | 82 | #endif /* KERNEL_PRIVATE */ |
39037602 A |
83 | |
84 | /* | |
85 | * Reason namespaces. | |
86 | */ | |
87 | #define OS_REASON_INVALID 0 | |
88 | #define OS_REASON_JETSAM 1 | |
89 | #define OS_REASON_SIGNAL 2 | |
90 | #define OS_REASON_CODESIGNING 3 | |
91 | #define OS_REASON_HANGTRACER 4 | |
92 | #define OS_REASON_TEST 5 | |
93 | #define OS_REASON_DYLD 6 | |
94 | #define OS_REASON_LIBXPC 7 | |
95 | #define OS_REASON_OBJC 8 | |
96 | #define OS_REASON_EXEC 9 | |
97 | #define OS_REASON_SPRINGBOARD 10 | |
98 | #define OS_REASON_TCC 11 | |
99 | #define OS_REASON_REPORTCRASH 12 | |
100 | #define OS_REASON_COREANIMATION 13 | |
101 | #define OS_REASON_AGGREGATED 14 | |
cb323159 A |
102 | #define OS_REASON_RUNNINGBOARD 15 |
103 | #define OS_REASON_ASSERTIOND OS_REASON_RUNNINGBOARD /* old name */ | |
5ba3f43e A |
104 | #define OS_REASON_SKYWALK 16 |
105 | #define OS_REASON_SETTINGS 17 | |
106 | #define OS_REASON_LIBSYSTEM 18 | |
107 | #define OS_REASON_FOUNDATION 19 | |
108 | #define OS_REASON_WATCHDOG 20 | |
109 | #define OS_REASON_METAL 21 | |
5c9f4661 | 110 | #define OS_REASON_WATCHKIT 22 |
d9a64523 A |
111 | #define OS_REASON_GUARD 23 |
112 | #define OS_REASON_ANALYTICS 24 | |
cb323159 A |
113 | #define OS_REASON_SANDBOX 25 |
114 | #define OS_REASON_SECURITY 26 | |
115 | #define OS_REASON_ENDPOINTSECURITY 27 | |
eb6b6ca3 | 116 | #define OS_REASON_PAC_EXCEPTION 28 |
39037602 A |
117 | |
118 | /* | |
119 | * Update whenever new OS_REASON namespaces are added. | |
120 | */ | |
eb6b6ca3 | 121 | #define OS_REASON_MAX_VALID_NAMESPACE OS_REASON_PAC_EXCEPTION |
39037602 A |
122 | |
123 | #define OS_REASON_BUFFER_MAX_SIZE 5120 | |
124 | ||
5ba3f43e A |
125 | #define OS_REASON_FLAG_NO_CRASH_REPORT 0x1 /* Don't create a crash report */ |
126 | #define OS_REASON_FLAG_GENERATE_CRASH_REPORT 0x2 /* Create a crash report - the default for userspace requests */ | |
127 | #define OS_REASON_FLAG_FROM_USERSPACE 0x4 /* Reason created from a userspace syscall */ | |
128 | #define OS_REASON_FLAG_FAILED_DATA_COPYIN 0x8 /* We failed to copyin data from userspace */ | |
129 | #define OS_REASON_FLAG_PAYLOAD_TRUNCATED 0x10 /* The payload was truncated because it was longer than allowed */ | |
130 | #define OS_REASON_FLAG_BAD_PARAMS 0x20 /* Invalid parameters were passed involved with creating this reason */ | |
131 | #define OS_REASON_FLAG_CONSISTENT_FAILURE 0x40 /* Whatever caused this reason to be created will happen again */ | |
132 | #define OS_REASON_FLAG_ONE_TIME_FAILURE 0x80 /* Whatever caused this reason to be created was a one time issue */ | |
133 | #define OS_REASON_FLAG_NO_CRASHED_TID 0x100 /* Don't include the TID that processed the exit in the crash report */ | |
d9a64523 | 134 | #define OS_REASON_FLAG_ABORT 0x200 /* Reason created from abort_* rather than terminate_* */ |
39037602 A |
135 | |
136 | /* | |
137 | * Set of flags that are allowed to be passed from userspace | |
138 | */ | |
d9a64523 | 139 | #define OS_REASON_FLAG_MASK_ALLOWED_FROM_USER (OS_REASON_FLAG_CONSISTENT_FAILURE | OS_REASON_FLAG_ONE_TIME_FAILURE | OS_REASON_FLAG_NO_CRASH_REPORT | OS_REASON_FLAG_ABORT) |
39037602 A |
140 | |
141 | /* | |
142 | * Macros to encode the exit reason namespace and first 32 bits of code in exception code | |
143 | * which is used by Report Crash as a hint. It should be only used as a hint since it | |
144 | * looses higher 32 bits of exit reason code. | |
145 | */ | |
146 | #define ENCODE_OSR_NAMESPACE_TO_MACH_EXCEPTION_CODE(code, osr_namespace) \ | |
147 | (code) = (code) | (((osr_namespace) & ((uint64_t)UINT32_MAX)) << 32) | |
148 | #define ENCODE_OSR_CODE_TO_MACH_EXCEPTION_CODE(code, osr_code) \ | |
149 | (code) = (code) | ((osr_code) & ((uint64_t)UINT32_MAX)) | |
150 | ||
151 | #ifndef KERNEL | |
152 | /* | |
153 | * abort_with_reason: Used to exit the current process and pass along | |
154 | * specific information about why it is being terminated. | |
155 | * | |
156 | * Inputs: args->reason_namespace - OS_REASON namespace specified for the reason | |
157 | * args->reason_code - code in the specified namespace for the reason | |
158 | * args->reason_string - additional string formatted information about the request | |
159 | * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above). | |
160 | * | |
161 | * Outputs: Does not return. | |
162 | */ | |
cb323159 A |
163 | void abort_with_reason(uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags) |
164 | __attribute__((noreturn, cold)); | |
39037602 A |
165 | |
166 | /* | |
167 | * abort_with_payload: Used to exit the current process and pass along | |
168 | * specific information about why it is being terminated. The payload pointer | |
169 | * should point to structured data that can be interpreted by the consumer of | |
170 | * exit reason information. | |
171 | * | |
172 | * Inputs: args->reason_namespace - OS_REASON namespace specified for the reason | |
173 | * args->reason_code - code in the specified namespace for the reason | |
174 | * args->payload - pointer to payload structure in user space | |
175 | * args->payload_size - length of payload buffer (this will be truncated to EXIT_REASON_PAYLOAD_MAX_LEN) | |
176 | * args->reason_string - additional string formatted information about the request | |
177 | * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above). | |
178 | * | |
179 | * Outputs: Does not return. | |
180 | */ | |
181 | void abort_with_payload(uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, const char *reason_string, | |
cb323159 | 182 | uint64_t reason_flags) __attribute__((noreturn, cold)); |
39037602 A |
183 | |
184 | /* | |
185 | * terminate_with_reason: Used to terminate a specific process and pass along | |
186 | * specific information about why it is being terminated. | |
187 | * | |
188 | * Inputs: args->pid - the PID of the process to be terminated | |
189 | * args->reason_namespace - OS_REASON namespace specified for the reason | |
190 | * args->reason_code - code in the specified namespace for the reason | |
191 | * args->reason_string - additional string formatted information about the request | |
192 | * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above) | |
193 | * | |
194 | * Outputs: EINVAL if the PID requested is the same as that of the calling process, invalid or the namespace provided is invalid. | |
195 | * ESRCH if we couldn't find a live process with the requested PID | |
196 | * EPERM if the caller is not privileged enough to kill the process with the requested PID | |
197 | * returns 0 otherwise | |
198 | */ | |
199 | int terminate_with_reason(int pid, uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags); | |
200 | ||
201 | /* | |
202 | * terminate_with_payload: Used to terminate a specific process and pass along | |
203 | * specific information about why it is being terminated. The payload pointer | |
204 | * should point to structured data that can be interpreted by the consumer of | |
205 | * exit reason information. | |
206 | * | |
207 | * Inputs: args->pid - the PID of the process to be terminated. | |
208 | * args->reason_namespace - OS_REASON namespace specified for the reason | |
209 | * args->reason_code - code in the specified namespace for the reason | |
210 | * args->payload - pointer to payload structure in user space | |
211 | * args->payload_size - length of payload buffer (this will be truncated to EXIT_REASON_PAYLOAD_MAX_LEN) | |
212 | * args->reason_string - additional string formatted information about the request | |
213 | * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above) | |
214 | * | |
215 | * Outputs: EINVAL if the PID requested is the same as that of the calling process, is invalid or the namespace provided is invalid. | |
216 | * ESRCH if we couldn't find a live process with the requested PID | |
217 | * EPERM if the caller is not privileged enough to kill the process with the requested PID | |
218 | * returns 0 otherwise | |
219 | */ | |
220 | int terminate_with_payload(int pid, uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, | |
0a7de745 | 221 | const char *reason_string, uint64_t reason_flags); |
39037602 A |
222 | #endif /* KERNEL */ |
223 | ||
224 | /* | |
225 | * codesigning exit reasons | |
226 | */ | |
227 | #define CODESIGNING_EXIT_REASON_TASKGATED_INVALID_SIG 1 | |
228 | #define CODESIGNING_EXIT_REASON_INVALID_PAGE 2 | |
229 | #define CODESIGNING_EXIT_REASON_TASK_ACCESS_PORT 3 | |
230 | ||
231 | /* | |
232 | * exec path specific exit reasons | |
233 | */ | |
234 | #define EXEC_EXIT_REASON_BAD_MACHO 1 | |
235 | #define EXEC_EXIT_REASON_SUGID_FAILURE 2 | |
236 | #define EXEC_EXIT_REASON_ACTV_THREADSTATE 3 | |
237 | #define EXEC_EXIT_REASON_STACK_ALLOC 4 | |
238 | #define EXEC_EXIT_REASON_APPLE_STRING_INIT 5 | |
239 | #define EXEC_EXIT_REASON_COPYOUT_STRINGS 6 | |
240 | #define EXEC_EXIT_REASON_COPYOUT_DYNLINKER 7 | |
241 | #define EXEC_EXIT_REASON_SECURITY_POLICY 8 | |
242 | #define EXEC_EXIT_REASON_TASKGATED_OTHER 9 | |
243 | #define EXEC_EXIT_REASON_FAIRPLAY_DECRYPT 10 | |
244 | #define EXEC_EXIT_REASON_DECRYPT 11 | |
245 | #define EXEC_EXIT_REASON_UPX 12 | |
a39ff7e2 | 246 | #define EXEC_EXIT_REASON_NO32EXEC 13 |
39037602 | 247 | |
d9a64523 A |
248 | /* |
249 | * guard reasons | |
250 | */ | |
251 | #define GUARD_REASON_VNODE 1 | |
252 | #define GUARD_REASON_VIRT_MEMORY 2 | |
253 | #define GUARD_REASON_MACH_PORT 3 | |
254 | ||
39037602 A |
255 | __END_DECLS |
256 | ||
257 | #endif /* _REASON_H_ */ |