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Cider Isn't Darwin Emulation, Really
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C
at android
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227/* * Copyright (c) 2016 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */
#ifndef _REASON_H_#define _REASON_H_
#include <stdint.h>
__BEGIN_DECLS
#ifdef KERNEL
#include <kern/kern_cdata.h>
#ifdef XNU_KERNEL_PRIVATE#include <kern/locks.h>
typedef struct os_reason { decl_lck_mtx_data(, osr_lock) int osr_refcount; uint32_t osr_namespace; uint64_t osr_code; uint64_t osr_flags; uint32_t osr_bufsize; struct kcdata_descriptor osr_kcd_descriptor; char *osr_kcd_buf;} *os_reason_t;
#define OS_REASON_NULL ((os_reason_t) 0)
/* We only include 800 bytes of the exit reason description to not blow through the panic buffer */#define LAUNCHD_PANIC_REASON_STRING_MAXLEN "800"
void os_reason_init(void);
os_reason_t build_userspace_exit_reason(uint32_t reason_namespace, uint64_t reason_code, user_addr_t payload, uint32_t payload_size, user_addr_t reason_string, uint64_t reason_flags);char *launchd_exit_reason_get_string_desc(os_reason_t exit_reason);
#else /* XNU_KERNEL_PRIVATE */
typedef void * os_reason_t;
#endif /* XNU_KERNEL_PRIVATE */
os_reason_t os_reason_create(uint32_t osr_namespace, uint64_t osr_code);int os_reason_alloc_buffer(os_reason_t cur_reason, uint32_t osr_bufsize);struct kcdata_descriptor * os_reason_get_kcdata_descriptor(os_reason_t cur_reason);void os_reason_ref(os_reason_t cur_reason);void os_reason_free(os_reason_t cur_reason);
#endif /* KERNEL */
/* * Reason namespaces. */#define OS_REASON_INVALID 0#define OS_REASON_JETSAM 1#define OS_REASON_SIGNAL 2#define OS_REASON_CODESIGNING 3#define OS_REASON_HANGTRACER 4#define OS_REASON_TEST 5#define OS_REASON_DYLD 6#define OS_REASON_LIBXPC 7#define OS_REASON_OBJC 8#define OS_REASON_EXEC 9#define OS_REASON_SPRINGBOARD 10#define OS_REASON_TCC 11#define OS_REASON_REPORTCRASH 12#define OS_REASON_COREANIMATION 13#define OS_REASON_AGGREGATED 14
/* * Update whenever new OS_REASON namespaces are added. */#define OS_REASON_MAX_VALID_NAMESPACE OS_REASON_AGGREGATED
#define OS_REASON_BUFFER_MAX_SIZE 5120
#define OS_REASON_FLAG_NO_CRASH_REPORT 0x1 /* Don't create a crash report */#define OS_REASON_FLAG_GENERATE_CRASH_REPORT 0x2 /* Create a crash report - the default for userspace requests */#define OS_REASON_FLAG_FROM_USERSPACE 0x4 /* Reason created from a userspace syscall */#define OS_REASON_FLAG_FAILED_DATA_COPYIN 0x8 /* We failed to copyin data from userspace */#define OS_REASON_FLAG_PAYLOAD_TRUNCATED 0x10 /* The payload was truncated because it was longer than allowed */#define OS_REASON_FLAG_BAD_PARAMS 0x20 /* Invalid parameters were passed involved with creating this reason */#define OS_REASON_FLAG_CONSISTENT_FAILURE 0x40 /* Whatever caused this reason to be created will happen again */#define OS_REASON_FLAG_ONE_TIME_FAILURE 0x80 /* Whatever caused this reason to be created was a one time issue */
/* * Set of flags that are allowed to be passed from userspace */#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)
/* * Macros to encode the exit reason namespace and first 32 bits of code in exception code * which is used by Report Crash as a hint. It should be only used as a hint since it * looses higher 32 bits of exit reason code. */#define ENCODE_OSR_NAMESPACE_TO_MACH_EXCEPTION_CODE(code, osr_namespace) \ (code) = (code) | (((osr_namespace) & ((uint64_t)UINT32_MAX)) << 32)#define ENCODE_OSR_CODE_TO_MACH_EXCEPTION_CODE(code, osr_code) \ (code) = (code) | ((osr_code) & ((uint64_t)UINT32_MAX))
#ifndef KERNEL/* * abort_with_reason: Used to exit the current process and pass along * specific information about why it is being terminated. * * Inputs: args->reason_namespace - OS_REASON namespace specified for the reason * args->reason_code - code in the specified namespace for the reason * args->reason_string - additional string formatted information about the request * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above). * * Outputs: Does not return. */void abort_with_reason(uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags) __attribute__((noreturn));
/* * abort_with_payload: Used to exit the current process and pass along * specific information about why it is being terminated. The payload pointer * should point to structured data that can be interpreted by the consumer of * exit reason information. * * Inputs: args->reason_namespace - OS_REASON namespace specified for the reason * args->reason_code - code in the specified namespace for the reason * args->payload - pointer to payload structure in user space * args->payload_size - length of payload buffer (this will be truncated to EXIT_REASON_PAYLOAD_MAX_LEN) * args->reason_string - additional string formatted information about the request * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above). * * Outputs: Does not return. */void abort_with_payload(uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, const char *reason_string, uint64_t reason_flags) __attribute__((noreturn));
/* * terminate_with_reason: Used to terminate a specific process and pass along * specific information about why it is being terminated. * * Inputs: args->pid - the PID of the process to be terminated * args->reason_namespace - OS_REASON namespace specified for the reason * args->reason_code - code in the specified namespace for the reason * args->reason_string - additional string formatted information about the request * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above) * * Outputs: EINVAL if the PID requested is the same as that of the calling process, invalid or the namespace provided is invalid. * ESRCH if we couldn't find a live process with the requested PID * EPERM if the caller is not privileged enough to kill the process with the requested PID * returns 0 otherwise */int terminate_with_reason(int pid, uint32_t reason_namespace, uint64_t reason_code, const char *reason_string, uint64_t reason_flags);
/* * terminate_with_payload: Used to terminate a specific process and pass along * specific information about why it is being terminated. The payload pointer * should point to structured data that can be interpreted by the consumer of * exit reason information. * * Inputs: args->pid - the PID of the process to be terminated. * args->reason_namespace - OS_REASON namespace specified for the reason * args->reason_code - code in the specified namespace for the reason * args->payload - pointer to payload structure in user space * args->payload_size - length of payload buffer (this will be truncated to EXIT_REASON_PAYLOAD_MAX_LEN) * args->reason_string - additional string formatted information about the request * args->reason_flags - options requested for how the process should be terminated (see OS_REASON_FLAG_* above) * * Outputs: EINVAL if the PID requested is the same as that of the calling process, is invalid or the namespace provided is invalid. * ESRCH if we couldn't find a live process with the requested PID * EPERM if the caller is not privileged enough to kill the process with the requested PID * returns 0 otherwise */int terminate_with_payload(int pid, uint32_t reason_namespace, uint64_t reason_code, void *payload, uint32_t payload_size, const char *reason_string, uint64_t reason_flags);#endif /* KERNEL */
/* * codesigning exit reasons */#define CODESIGNING_EXIT_REASON_TASKGATED_INVALID_SIG 1#define CODESIGNING_EXIT_REASON_INVALID_PAGE 2#define CODESIGNING_EXIT_REASON_TASK_ACCESS_PORT 3
/* * exec path specific exit reasons */#define EXEC_EXIT_REASON_BAD_MACHO 1#define EXEC_EXIT_REASON_SUGID_FAILURE 2#define EXEC_EXIT_REASON_ACTV_THREADSTATE 3#define EXEC_EXIT_REASON_STACK_ALLOC 4#define EXEC_EXIT_REASON_APPLE_STRING_INIT 5#define EXEC_EXIT_REASON_COPYOUT_STRINGS 6#define EXEC_EXIT_REASON_COPYOUT_DYNLINKER 7#define EXEC_EXIT_REASON_SECURITY_POLICY 8#define EXEC_EXIT_REASON_TASKGATED_OTHER 9#define EXEC_EXIT_REASON_FAIRPLAY_DECRYPT 10#define EXEC_EXIT_REASON_DECRYPT 11#define EXEC_EXIT_REASON_UPX 12
__END_DECLS
#endif /* _REASON_H_ */