X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/fe8ab488e9161c46dd9885d58fc52996dc0249ff..HEAD:/bsd/sys/proc.h diff --git a/bsd/sys/proc.h b/bsd/sys/proc.h index 8c4ebb790..dadd3349d 100644 --- a/bsd/sys/proc.h +++ b/bsd/sys/proc.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2018 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 @@ -11,10 +11,10 @@ * 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, @@ -22,7 +22,7 @@ * 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@ */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ @@ -67,146 +67,152 @@ */ #ifndef _SYS_PROC_H_ -#define _SYS_PROC_H_ +#define _SYS_PROC_H_ #include #include -#include /* For struct selinfo. */ +#include /* For struct selinfo. */ #include #include #include #include +#include #ifdef KERNEL #include #include #endif #include -#if defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL) +#ifdef XNU_KERNEL_PRIVATE +#include /* COALITION_NUM_TYPES */ +#endif + +#ifndef KERNEL +#include +#endif + +#if defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL) struct session; struct pgrp; struct proc; +struct proc_ident; /* Exported fields for kern sysctls */ struct extern_proc { union { struct { - struct proc *__p_forw; /* Doubly-linked run/sleep queue. */ - struct proc *__p_back; + struct proc *__p_forw; /* Doubly-linked run/sleep queue. */ + struct proc *__p_back; } p_st1; - struct timeval __p_starttime; /* process start time */ + struct timeval __p_starttime; /* process start time */ } p_un; #define p_forw p_un.p_st1.__p_forw #define p_back p_un.p_st1.__p_back #define p_starttime p_un.__p_starttime - struct vmspace *p_vmspace; /* Address space. */ - struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */ - int p_flag; /* P_* flags. */ - char p_stat; /* S* process status. */ - pid_t p_pid; /* Process identifier. */ - pid_t p_oppid; /* Save parent pid during ptrace. XXX */ - int p_dupfd; /* Sideways return value from fdopen. XXX */ + struct vmspace *p_vmspace; /* Address space. */ + struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */ + int p_flag; /* P_* flags. */ + char p_stat; /* S* process status. */ + pid_t p_pid; /* Process identifier. */ + pid_t p_oppid; /* Save parent pid during ptrace. XXX */ + int p_dupfd; /* Sideways return value from fdopen. XXX */ /* Mach related */ - caddr_t user_stack; /* where user stack was allocated */ - void *exit_thread; /* XXX Which thread is exiting? */ - int p_debugger; /* allow to debug */ - boolean_t sigwait; /* indication to suspend */ + caddr_t user_stack; /* where user stack was allocated */ + void *exit_thread; /* XXX Which thread is exiting? */ + int p_debugger; /* allow to debug */ + boolean_t sigwait; /* indication to suspend */ /* scheduling */ - u_int p_estcpu; /* Time averaged value of p_cpticks. */ - int p_cpticks; /* Ticks of cpu time. */ - fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */ - void *p_wchan; /* Sleep address. */ - char *p_wmesg; /* Reason for sleep. */ - u_int p_swtime; /* Time swapped in or out. */ - u_int p_slptime; /* Time since last blocked. */ - struct itimerval p_realtimer; /* Alarm timer. */ - struct timeval p_rtime; /* Real time. */ - u_quad_t p_uticks; /* Statclock hits in user mode. */ - u_quad_t p_sticks; /* Statclock hits in system mode. */ - u_quad_t p_iticks; /* Statclock hits processing intr. */ - int p_traceflag; /* Kernel trace points. */ - struct vnode *p_tracep; /* Trace to vnode. */ - int p_siglist; /* DEPRECATED. */ - struct vnode *p_textvp; /* Vnode of executable. */ - int p_holdcnt; /* If non-zero, don't swap. */ - sigset_t p_sigmask; /* DEPRECATED. */ - sigset_t p_sigignore; /* Signals being ignored. */ - sigset_t p_sigcatch; /* Signals being caught by user. */ - u_char p_priority; /* Process priority. */ - u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */ - char p_nice; /* Process "nice" value. */ - char p_comm[MAXCOMLEN+1]; - struct pgrp *p_pgrp; /* Pointer to process group. */ - struct user *p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */ - u_short p_xstat; /* Exit status for wait; also stop signal. */ - u_short p_acflag; /* Accounting flags. */ - struct rusage *p_ru; /* Exit information. XXX */ + u_int p_estcpu; /* Time averaged value of p_cpticks. */ + int p_cpticks; /* Ticks of cpu time. */ + fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */ + void *p_wchan; /* Sleep address. */ + char *p_wmesg; /* Reason for sleep. */ + u_int p_swtime; /* Time swapped in or out. */ + u_int p_slptime; /* Time since last blocked. */ + struct itimerval p_realtimer; /* Alarm timer. */ + struct timeval p_rtime; /* Real time. */ + u_quad_t p_uticks; /* Statclock hits in user mode. */ + u_quad_t p_sticks; /* Statclock hits in system mode. */ + u_quad_t p_iticks; /* Statclock hits processing intr. */ + int p_traceflag; /* Kernel trace points. */ + struct vnode *p_tracep; /* Trace to vnode. */ + int p_siglist; /* DEPRECATED. */ + struct vnode *p_textvp; /* Vnode of executable. */ + int p_holdcnt; /* If non-zero, don't swap. */ + sigset_t p_sigmask; /* DEPRECATED. */ + sigset_t p_sigignore; /* Signals being ignored. */ + sigset_t p_sigcatch; /* Signals being caught by user. */ + u_char p_priority; /* Process priority. */ + u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */ + char p_nice; /* Process "nice" value. */ + char p_comm[MAXCOMLEN + 1]; + struct pgrp *p_pgrp; /* Pointer to process group. */ + struct user *p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */ + u_short p_xstat; /* Exit status for wait; also stop signal. */ + u_short p_acflag; /* Accounting flags. */ + struct rusage *p_ru; /* Exit information. XXX */ }; /* Status values. */ -#define SIDL 1 /* Process being created by fork. */ -#define SRUN 2 /* Currently runnable. */ -#define SSLEEP 3 /* Sleeping on an address. */ -#define SSTOP 4 /* Process debugging or suspension. */ -#define SZOMB 5 /* Awaiting collection by parent. */ +#define SIDL 1 /* Process being created by fork. */ +#define SRUN 2 /* Currently runnable. */ +#define SSLEEP 3 /* Sleeping on an address. */ +#define SSTOP 4 /* Process debugging or suspension. */ +#define SZOMB 5 /* Awaiting collection by parent. */ /* These flags are kept in extern_proc.p_flag. */ -#define P_ADVLOCK 0x00000001 /* Process may hold POSIX adv. lock */ -#define P_CONTROLT 0x00000002 /* Has a controlling terminal */ -#define P_LP64 0x00000004 /* Process is LP64 */ -#define P_NOCLDSTOP 0x00000008 /* No SIGCHLD when children stop */ +#define P_ADVLOCK 0x00000001 /* Process may hold POSIX adv. lock */ +#define P_CONTROLT 0x00000002 /* Has a controlling terminal */ +#define P_LP64 0x00000004 /* Process is LP64 */ +#define P_NOCLDSTOP 0x00000008 /* No SIGCHLD when children stop */ -#define P_PPWAIT 0x00000010 /* Parent waiting for chld exec/exit */ -#define P_PROFIL 0x00000020 /* Has started profiling */ -#define P_SELECT 0x00000040 /* Selecting; wakeup/waiting danger */ -#define P_CONTINUED 0x00000080 /* Process was stopped and continued */ +#define P_PPWAIT 0x00000010 /* Parent waiting for chld exec/exit */ +#define P_PROFIL 0x00000020 /* Has started profiling */ +#define P_SELECT 0x00000040 /* Selecting; wakeup/waiting danger */ +#define P_CONTINUED 0x00000080 /* Process was stopped and continued */ -#define P_SUGID 0x00000100 /* Has set privileges since last exec */ -#define P_SYSTEM 0x00000200 /* Sys proc: no sigs, stats or swap */ -#define P_TIMEOUT 0x00000400 /* Timing out during sleep */ -#define P_TRACED 0x00000800 /* Debugged process being traced */ +#define P_SUGID 0x00000100 /* Has set privileges since last exec */ +#define P_SYSTEM 0x00000200 /* Sys proc: no sigs, stats or swap */ +#define P_TIMEOUT 0x00000400 /* Timing out during sleep */ +#define P_TRACED 0x00000800 /* Debugged process being traced */ -#define P_DISABLE_ASLR 0x00001000 /* Disable address space layout randomization */ -#define P_WEXIT 0x00002000 /* Working on exiting */ -#define P_EXEC 0x00004000 /* Process called exec. */ +#define P_DISABLE_ASLR 0x00001000 /* Disable address space layout randomization */ +#define P_WEXIT 0x00002000 /* Working on exiting */ +#define P_EXEC 0x00004000 /* Process called exec. */ /* Should be moved to machine-dependent areas. */ -#define P_OWEUPC 0x00008000 /* Owe process an addupc() call at next ast. */ +#define P_OWEUPC 0x00008000 /* Owe process an addupc() call at next ast. */ -#define P_AFFINITY 0x00010000 /* xxx */ -#define P_TRANSLATED 0x00020000 /* xxx */ -#define P_CLASSIC P_TRANSLATED /* xxx */ -/* -#define P_FSTRACE 0x10000 / * tracing via file system (elsewhere?) * / -#define P_SSTEP 0x20000 / * process needs single-step fixup ??? * / -*/ - -#define P_DELAYIDLESLEEP 0x00040000 /* Process is marked to delay idle sleep on disk IO */ -#define P_CHECKOPENEVT 0x00080000 /* check if a vnode has the OPENEVT flag set on open */ - -#define P_DEPENDENCY_CAPABLE 0x00100000 /* process is ok to call vfs_markdependency() */ -#define P_REBOOT 0x00200000 /* Process called reboot() */ -#define P_RESV6 0x00400000 /* used to be P_TBE */ -#define P_RESV7 0x00800000 /* (P_SIGEXC)signal exceptions */ - -#define P_THCWD 0x01000000 /* process has thread cwd */ -#define P_RESV9 0x02000000 /* (P_VFORK)process has vfork children */ -#define P_RESV10 0x04000000 /* used to be P_NOATTACH */ -#define P_RESV11 0x08000000 /* (P_INVFORK) proc in vfork */ - -#define P_NOSHLIB 0x10000000 /* no shared libs are in use for proc */ - /* flag set on exec */ -#define P_FORCEQUOTA 0x20000000 /* Force quota for root */ -#define P_NOCLDWAIT 0x40000000 /* No zombies when chil procs exit */ -#define P_NOREMOTEHANG 0x80000000 /* Don't hang on remote FS ops */ - -#define P_INMEM 0 /* Obsolete: retained for compilation */ -#define P_NOSWAP 0 /* Obsolete: retained for compilation */ -#define P_PHYSIO 0 /* Obsolete: retained for compilation */ -#define P_FSTRACE 0 /* Obsolete: retained for compilation */ -#define P_SSTEP 0 /* Obsolete: retained for compilation */ +#define P_AFFINITY 0x00010000 /* xxx */ +#define P_TRANSLATED 0x00020000 /* xxx */ +#define P_CLASSIC P_TRANSLATED /* xxx */ + +#define P_DELAYIDLESLEEP 0x00040000 /* Process is marked to delay idle sleep on disk IO */ +#define P_CHECKOPENEVT 0x00080000 /* check if a vnode has the OPENEVT flag set on open */ + +#define P_DEPENDENCY_CAPABLE 0x00100000 /* process is ok to call vfs_markdependency() */ +#define P_REBOOT 0x00200000 /* Process called reboot() */ +#define P_RESV6 0x00400000 /* used to be P_TBE */ +#define P_RESV7 0x00800000 /* (P_SIGEXC)signal exceptions */ + +#define P_THCWD 0x01000000 /* process has thread cwd */ +#define P_RESV9 0x02000000 /* (P_VFORK)process has vfork children */ +#define P_ADOPTPERSONA 0x04000000 /* process adopted a persona (used to be P_NOATTACH) */ +#define P_RESV11 0x08000000 /* (P_INVFORK) proc in vfork */ + +#define P_NOSHLIB 0x10000000 /* no shared libs are in use for proc */ + /* flag set on exec */ +#define P_FORCEQUOTA 0x20000000 /* Force quota for root */ +#define P_NOCLDWAIT 0x40000000 /* No zombies when chil procs exit */ +#define P_NOREMOTEHANG 0x80000000 /* Don't hang on remote FS ops */ + +#define P_INMEM 0 /* Obsolete: retained for compilation */ +#define P_NOSWAP 0 /* Obsolete: retained for compilation */ +#define P_PHYSIO 0 /* Obsolete: retained for compilation */ +#define P_FSTRACE 0 /* Obsolete: retained for compilation */ +#define P_SSTEP 0 /* Obsolete: retained for compilation */ #define P_DIRTY_TRACK 0x00000001 /* track dirty state */ #define P_DIRTY_ALLOW_IDLE_EXIT 0x00000002 /* process can be idle-exited when clean */ @@ -216,8 +222,10 @@ struct extern_proc { #define P_DIRTY_TERMINATED 0x00000020 /* process has been marked for termination */ #define P_DIRTY_BUSY 0x00000040 /* serialization flag */ #define P_DIRTY_MARKED 0x00000080 /* marked dirty previously */ -#define P_DIRTY_DEFER_IN_PROGRESS 0x00000100 /* deferral to idle-band in process */ +#define P_DIRTY_AGING_IN_PROGRESS 0x00000100 /* aging in one of the 'aging bands' */ #define P_DIRTY_LAUNCH_IN_PROGRESS 0x00000200 /* launch is in progress */ +#define P_DIRTY_DEFER_ALWAYS 0x00000400 /* defer going to idle-exit after every dirty->clean transition. + * For legacy jetsam policy only. This is the default with the other policies.*/ #define P_DIRTY_IS_DIRTY (P_DIRTY | P_DIRTY_SHUTDOWN) #define P_DIRTY_IDLE_EXIT_ENABLED (P_DIRTY_TRACK|P_DIRTY_ALLOW_IDLE_EXIT) @@ -230,10 +238,12 @@ __BEGIN_DECLS extern proc_t kernproc; extern int proc_is_classic(proc_t p); +extern bool proc_is_exotic(proc_t p); +extern bool proc_is_alien(proc_t p); proc_t current_proc_EXTERNAL(void); -extern int msleep(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, struct timespec * ts ); -extern void wakeup(void *chan); +extern int msleep(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, struct timespec * ts ); +extern void wakeup(void *chan); extern void wakeup_one(caddr_t chan); /* proc kpis */ @@ -241,22 +251,30 @@ extern void wakeup_one(caddr_t chan); extern int proc_selfpid(void); /* this routine returns the pid of the parent of the current process */ extern int proc_selfppid(void); +/* this routine returns the csflags of the current process */ +extern uint64_t proc_selfcsflags(void); +/* this routine populates the given flags param with the csflags of the given process. Returns 0 on success, -1 on error. */ +extern int proc_csflags(proc_t p, uint64_t* flags); /* this routine returns sends a signal signum to the process identified by the pid */ extern void proc_signal(int pid, int signum); /* this routine checks whether any signal identified by the mask are pending in the process identified by the pid. The check is on all threads of the process. */ extern int proc_issignal(int pid, sigset_t mask); /* this routine returns 1 if the pid1 is inferior of pid2 */ extern int proc_isinferior(int pid1, int pid2); -/* this routine copies the process's name of the executable to the passed in buffer. It - * is always null terminated. The size of the buffer is to be passed in as well. This - * routine is to be used typically for debugging +/* this routine copies the process's name of the executable to the passed in buffer. It + * is always null terminated. The size of the buffer is to be passed in as well. This + * routine is to be used typically for debugging */ void proc_name(int pid, char * buf, int size); +/* returns the 32-byte name if it exists, otherwise returns the 16-byte name */ +extern char *proc_best_name(proc_t p); /* This routine is simillar to proc_name except it returns for current process */ void proc_selfname(char * buf, int size); /* find a process with a given pid. This comes with a reference which needs to be dropped by proc_rele */ extern proc_t proc_find(int pid); +/* find a process with a given process identity */ +extern proc_t proc_find_ident(struct proc_ident const *i); /* returns a handle to current process which is referenced. The reference needs to be dropped with proc_rele */ extern proc_t proc_self(void); /* releases the held reference on the process */ @@ -265,77 +283,155 @@ extern int proc_rele(proc_t p); extern int proc_pid(proc_t); /* returns the pid of the parent of a given process */ extern int proc_ppid(proc_t); +/* returns the original pid of the parent of a given process */ +extern int proc_original_ppid(proc_t); +/* returns the start time of the given process */ +extern int proc_starttime(proc_t, struct timeval *); +/* returns the platform (macos, ios, watchos, tvos, ...) of the given process */ +extern uint32_t proc_platform(const proc_t); +/* returns the minimum sdk version used by the current process */ +extern uint32_t proc_min_sdk(proc_t); +/* returns the sdk version used by the current process */ +extern uint32_t proc_sdk(proc_t); /* returns 1 if the process is marked for no remote hangs */ extern int proc_noremotehang(proc_t); /* returns 1 if the process is marked for force quota */ extern int proc_forcequota(proc_t); +/* returns 1 if the process is chrooted */ +extern int proc_chrooted(proc_t); +/* returns TRUE if a sync EXC_RESOURCE should be sent for the process */ +extern boolean_t proc_send_synchronous_EXC_RESOURCE(proc_t p); -/* this routine returns 1 if the process is running with 64bit address space, else 0 */ +/* this routine returns 1 if the process is running with a 64bit address space, else 0 */ extern int proc_is64bit(proc_t); +/* this routine returns 1 if the process is running with a 64bit register state, else 0 */ +extern int proc_is64bit_data(proc_t); +/* this routine returns 1 if the process is initproc */ +extern int proc_isinitproc(proc_t); /* is this process exiting? */ extern int proc_exiting(proc_t); +/* returns whether the process has started down proc_exit() */ +extern int proc_in_teardown(proc_t); /* this routine returns error if the process is not one with super user privileges */ int proc_suser(proc_t p); /* returns the cred assicaited with the process; temporary api */ kauth_cred_t proc_ucred(proc_t p); +/* returns 1 if the process is tainted by uid or gid changes,e else 0 */ +extern int proc_issetugid(proc_t p); extern int proc_tbe(proc_t); /*! - @function proc_selfpgrpid - @abstract Get the process group id for the current process, as with proc_pgrpid(). - @return pgrpid of current process. + * @function proc_gettty + * @abstract Copies the associated tty vnode for a given process if it exists. The caller needs to decrement the iocount of the vnode. + * @return 0 on success. ENOENT if the process has no associated TTY. EINVAL if arguments are NULL or vnode_getwithvid fails. + */ +extern int proc_gettty(proc_t p, vnode_t *vp); + +/* this routine populates the associated tty device for a given process if it exists, returns 0 on success or else returns EINVAL */ +extern int proc_gettty_dev(proc_t p, dev_t *dev); + +/*! + * @function proc_selfpgrpid + * @abstract Get the process group id for the current process, as with proc_pgrpid(). + * @return pgrpid of current process. */ pid_t proc_selfpgrpid(void); /*! - @function proc_pgrpid - @abstract Get the process group id for the passed-in process. - @param p Process whose pgrpid to grab. - @return pgrpid for "p". + * @function proc_pgrpid + * @abstract Get the process group id for the passed-in process. + * @param p Process whose pgrpid to grab. + * @return pgrpid for "p". */ -pid_t proc_pgrpid(proc_t); +pid_t proc_pgrpid(proc_t p); + +/*! + * @function proc_sessionid + * @abstract Get the process session id for the passed-in process. + * @param p Process whose session id to grab. + * @return session id of current process. + */ +pid_t proc_sessionid(proc_t p); #ifdef KERNEL_PRIVATE // mark a process as being allowed to call vfs_markdependency() void bsd_set_dependency_capable(task_t task); +#ifdef __arm__ +static inline int +IS_64BIT_PROCESS(__unused proc_t p) +{ + return 0; +} +#else extern int IS_64BIT_PROCESS(proc_t); +#endif /* __arm__ */ -extern int tsleep(void *chan, int pri, const char *wmesg, int timo); -extern int msleep1(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, u_int64_t timo); +extern int tsleep(void *chan, int pri, const char *wmesg, int timo); +extern int msleep1(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, u_int64_t timo); task_t proc_task(proc_t); extern int proc_pidversion(proc_t); +extern proc_t proc_parent(proc_t); +extern void proc_parent_audit_token(proc_t, audit_token_t *); +extern uint32_t proc_persona_id(proc_t); +extern uint32_t proc_getuid(proc_t); +extern uint32_t proc_getgid(proc_t); extern int proc_getcdhash(proc_t, unsigned char *); -/*! - @function proc_pidbackgrounded - @abstract KPI to determine if a process is currently backgrounded. - @discussion The process may move into or out of background state at any time, - so be prepared for this value to be outdated immediately. - @param pid PID of the process to be queried. - @param state Pointer to a value which will be set to 1 if the process - is currently backgrounded, 0 otherwise. - @return ESRCH if pid cannot be found or has started exiting. - - EINVAL if state is NULL. +/*! + * @function proc_pidbackgrounded + * @abstract KPI to determine if a process is currently backgrounded. + * @discussion The process may move into or out of background state at any time, + * so be prepared for this value to be outdated immediately. + * @param pid PID of the process to be queried. + * @param state Pointer to a value which will be set to 1 if the process + * is currently backgrounded, 0 otherwise. + * @return ESRCH if pid cannot be found or has started exiting. + * + * EINVAL if state is NULL. */ extern int proc_pidbackgrounded(pid_t pid, uint32_t* state); -/* - * This returns an unique 64bit id of a given process. - * Caller needs to hold proper reference on the +/* + * This returns an unique 64bit id of a given process. + * Caller needs to hold proper reference on the * passed in process strucutre. */ extern uint64_t proc_uniqueid(proc_t); +/* unique 64bit id for process's original parent */ +extern uint64_t proc_puniqueid(proc_t); + +extern void proc_set_responsible_pid(proc_t target_proc, pid_t responsible_pid); + +/* return 1 if process is forcing case-sensitive HFS+ access, 0 for default */ +extern int proc_is_forcing_hfs_case_sensitivity(proc_t); + +/* return true if the process is translated, false for default */ +extern boolean_t proc_is_translated(proc_t); + +/* true if the process ignores errors from content protection APIs */ +extern bool proc_ignores_content_protection(proc_t proc); + +/* true if the file system shouldn't update mtime for operations by the process */ +extern bool proc_skip_mtime_update(proc_t proc); + +/*! + * @function proc_exitstatus + * @abstract KPI to determine a process's exit status. + * @discussion This function is not safe to call if the process could be + * concurrently stopped or started, but it can be called from a + * mpo_proc_notify_exit callback. + * @param p The process to be queried. + * @return Value in the same format as wait()'s output parameter. + */ +extern int proc_exitstatus(proc_t p); + #endif /* KERNEL_PRIVATE */ #ifdef XNU_KERNEL_PRIVATE -/* unique 64bit id for process's original parent */ -extern uint64_t proc_puniqueid(proc_t); - extern void proc_getexecutableuuid(proc_t, unsigned char *, unsigned long); extern int proc_get_originatorbgstate(uint32_t *is_backgrounded); @@ -344,27 +440,64 @@ extern int proc_pidoriginatoruuid(uuid_t uuid_buf, uint32_t buffersize); extern uint64_t proc_was_throttled(proc_t); extern uint64_t proc_did_throttle(proc_t); +extern bool proc_is_traced(proc_t p); -extern uint64_t proc_coalitionid(proc_t); +extern void proc_coalitionids(proc_t, uint64_t[COALITION_NUM_TYPES]); +#ifdef CONFIG_32BIT_TELEMETRY +extern void proc_log_32bit_telemetry(proc_t p); +#endif /* CONFIG_32BIT_TELEMETRY */ +extern uint64_t get_current_unique_pid(void); #endif /* XNU_KERNEL_PRIVATE*/ #ifdef KERNEL_PRIVATE +/* If buf argument is NULL, the necessary length to allocate will be set in buflen */ +extern int proc_selfexecutableargs(uint8_t *buf, size_t *buflen); +extern off_t proc_getexecutableoffset(proc_t p); extern vnode_t proc_getexecutablevnode(proc_t); /* Returned with iocount, use vnode_put() to drop */ -#endif +extern int networking_memstatus_callout(proc_t p, uint32_t); + +/* System call filtering for BSD syscalls, mach traps and kobject routines. */ +#define SYSCALL_MASK_UNIX 0 +#define SYSCALL_MASK_MACH 1 +#define SYSCALL_MASK_KOBJ 2 + +#define SYSCALL_FILTER_CALLBACK_VERSION 1 +typedef int (*syscall_filter_cbfunc_t)(proc_t p, int num); +typedef int (*kobject_filter_cbfunc_t)(proc_t p, int msgid, int idx); +struct syscall_filter_callbacks { + int version; + const syscall_filter_cbfunc_t unix_filter_cbfunc; + const syscall_filter_cbfunc_t mach_filter_cbfunc; + const kobject_filter_cbfunc_t kobj_filter_cbfunc; +}; +typedef struct syscall_filter_callbacks * syscall_filter_cbs_t; + +extern int proc_set_syscall_filter_callbacks(syscall_filter_cbs_t callback); +extern int proc_set_syscall_filter_index(int which, int num, int index); +extern size_t proc_get_syscall_filter_mask_size(int which); +extern int proc_set_syscall_filter_mask(proc_t p, int which, unsigned char *maskptr, size_t masklen); + +extern int proc_set_filter_message_flag(proc_t p, boolean_t flag); +extern int proc_get_filter_message_flag(proc_t p, boolean_t *flag); + +#endif /* KERNEL_PRIVATE */ __END_DECLS -#endif /* KERNEL */ +#endif /* KERNEL */ #ifdef PRIVATE /* Values for pid_shutdown_sockets */ +#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_SVC 0x00000001 +#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_ALL 0x00000002 + #ifdef KERNEL -#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_INTERNAL 0x0 -#endif /* KERNEL */ -#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_SVC 0x1 -#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_ALL 0x2 +#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_INTERNAL 0x10000000 +#define SHUTDOWN_SOCKET_LEVEL_NECP 0x20000000 +#define SHUTDOWN_SOCKET_LEVEL_CONTENT_FILTER 0x40000000 +#endif #ifndef KERNEL @@ -372,11 +505,23 @@ __BEGIN_DECLS int pid_suspend(int pid); int pid_resume(int pid); - - +__API_AVAILABLE(macos(11.3), ios(14.5), tvos(14.5), watchos(7.3)) +int task_inspect_for_pid(unsigned int target_tport, int pid, unsigned int *t); /* Returns task inspect port */ +__API_AVAILABLE(macos(11.3), ios(14.5), tvos(14.5), watchos(7.3)) +int task_read_for_pid(unsigned int target_tport, int pid, unsigned int *t); /* Returns task read port */ + +#if defined(__arm__) || defined(__arm64__) +int pid_hibernate(int pid); +#endif /* defined(__arm__) || defined(__arm64__) */ +int pid_shutdown_sockets(int pid, int level); +int pid_shutdown_networking(int pid, int level); __END_DECLS #endif /* !KERNEL */ + +/* Entitlement to allow non-root processes to suspend/resume any task */ +#define PROCESS_RESUME_SUSPEND_ENTITLEMENT "com.apple.private.process.suspend-resume.any" + #endif /* PRIVATE */ -#endif /* !_SYS_PROC_H_ */ +#endif /* !_SYS_PROC_H_ */