minix/sys/sys/kauth.h
Lionel Sambuc 84d9c625bf Synchronize on NetBSD-CVS (2013/12/1 12:00:00 UTC)
- Fix for possible unset uid/gid in toproto
 - Fix for default mtree style
 - Update libelf
 - Importing libexecinfo
 - Resynchronize GCC, mpc, gmp, mpfr
 - build.sh: Replace params with show-params.
     This has been done as the make target has been renamed in the same
     way, while a new target named params has been added. This new
     target generates a file containing all the parameters, instead of
     printing it on the console.
 - Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
     get getservbyport() out of the inner loop

Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
2014-07-28 17:05:06 +02:00

497 lines
15 KiB
C

/* $NetBSD: kauth.h,v 1.71 2013/03/18 19:35:46 plunky Exp $ */
/*-
* Copyright (c) 2005, 2006 Elad Efrat <elad@NetBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This is based on Apple TN2127, available online at
* http://developer.apple.com/technotes/tn2005/tn2127.html
*/
#ifndef _SYS_KAUTH_H_
#define _SYS_KAUTH_H_
#include <secmodel/secmodel.h> /* for secmodel_t type */
#include <sys/stat.h> /* for modes */
struct uucred;
struct ki_ucred;
struct ki_pcred;
struct proc;
struct tty;
struct vnode;
struct cwdinfo;
/* Types. */
typedef struct kauth_scope *kauth_scope_t;
typedef struct kauth_listener *kauth_listener_t;
typedef uint32_t kauth_action_t;
typedef int (*kauth_scope_callback_t)(kauth_cred_t, kauth_action_t,
void *, void *, void *, void *, void *);
typedef struct kauth_key *kauth_key_t;
/*
* Possible return values for a listener.
*/
#define KAUTH_RESULT_ALLOW 0 /* allow access */
#define KAUTH_RESULT_DENY 1 /* deny access */
#define KAUTH_RESULT_DEFER 2 /* let others decide */
/*
* Scopes.
*/
#define KAUTH_SCOPE_GENERIC "org.netbsd.kauth.generic"
#define KAUTH_SCOPE_SYSTEM "org.netbsd.kauth.system"
#define KAUTH_SCOPE_PROCESS "org.netbsd.kauth.process"
#define KAUTH_SCOPE_NETWORK "org.netbsd.kauth.network"
#define KAUTH_SCOPE_MACHDEP "org.netbsd.kauth.machdep"
#define KAUTH_SCOPE_DEVICE "org.netbsd.kauth.device"
#define KAUTH_SCOPE_CRED "org.netbsd.kauth.cred"
#define KAUTH_SCOPE_VNODE "org.netbsd.kauth.vnode"
/*
* Generic scope - actions.
*/
enum {
KAUTH_GENERIC_UNUSED1=1,
KAUTH_GENERIC_ISSUSER,
};
/*
* System scope - actions.
*/
enum {
KAUTH_SYSTEM_ACCOUNTING=1,
KAUTH_SYSTEM_CHROOT,
KAUTH_SYSTEM_CHSYSFLAGS,
KAUTH_SYSTEM_CPU,
KAUTH_SYSTEM_DEBUG,
KAUTH_SYSTEM_FILEHANDLE,
KAUTH_SYSTEM_MKNOD,
KAUTH_SYSTEM_MOUNT,
KAUTH_SYSTEM_PSET,
KAUTH_SYSTEM_REBOOT,
KAUTH_SYSTEM_SETIDCORE,
KAUTH_SYSTEM_SWAPCTL,
KAUTH_SYSTEM_SYSCTL,
KAUTH_SYSTEM_TIME,
KAUTH_SYSTEM_MODULE,
KAUTH_SYSTEM_FS_RESERVEDSPACE,
KAUTH_SYSTEM_FS_QUOTA,
KAUTH_SYSTEM_SEMAPHORE,
KAUTH_SYSTEM_SYSVIPC,
KAUTH_SYSTEM_MQUEUE,
KAUTH_SYSTEM_VERIEXEC,
KAUTH_SYSTEM_DEVMAPPER,
KAUTH_SYSTEM_MAP_VA_ZERO,
KAUTH_SYSTEM_LFS,
KAUTH_SYSTEM_FS_EXTATTR,
KAUTH_SYSTEM_FS_SNAPSHOT,
};
/*
* System scope - sub-actions.
*/
enum kauth_system_req {
KAUTH_REQ_SYSTEM_CHROOT_CHROOT=1,
KAUTH_REQ_SYSTEM_CHROOT_FCHROOT,
KAUTH_REQ_SYSTEM_CPU_SETSTATE,
KAUTH_REQ_SYSTEM_DEBUG_IPKDB,
KAUTH_REQ_SYSTEM_MOUNT_GET,
KAUTH_REQ_SYSTEM_MOUNT_NEW,
KAUTH_REQ_SYSTEM_MOUNT_UNMOUNT,
KAUTH_REQ_SYSTEM_MOUNT_UPDATE,
KAUTH_REQ_SYSTEM_PSET_ASSIGN,
KAUTH_REQ_SYSTEM_PSET_BIND,
KAUTH_REQ_SYSTEM_PSET_CREATE,
KAUTH_REQ_SYSTEM_PSET_DESTROY,
KAUTH_REQ_SYSTEM_SYSCTL_ADD,
KAUTH_REQ_SYSTEM_SYSCTL_DELETE,
KAUTH_REQ_SYSTEM_SYSCTL_DESC,
KAUTH_REQ_SYSTEM_SYSCTL_MODIFY,
KAUTH_REQ_SYSTEM_SYSCTL_PRVT,
KAUTH_REQ_SYSTEM_TIME_ADJTIME,
KAUTH_REQ_SYSTEM_TIME_NTPADJTIME,
KAUTH_REQ_SYSTEM_TIME_RTCOFFSET,
KAUTH_REQ_SYSTEM_TIME_SYSTEM,
KAUTH_REQ_SYSTEM_TIME_TIMECOUNTERS,
KAUTH_REQ_SYSTEM_FS_QUOTA_GET,
KAUTH_REQ_SYSTEM_FS_QUOTA_MANAGE,
KAUTH_REQ_SYSTEM_FS_QUOTA_NOLIMIT,
KAUTH_REQ_SYSTEM_FS_QUOTA_ONOFF,
KAUTH_REQ_SYSTEM_SYSVIPC_BYPASS,
KAUTH_REQ_SYSTEM_SYSVIPC_SHM_LOCK,
KAUTH_REQ_SYSTEM_SYSVIPC_SHM_UNLOCK,
KAUTH_REQ_SYSTEM_SYSVIPC_MSGQ_OVERSIZE,
KAUTH_REQ_SYSTEM_VERIEXEC_ACCESS,
KAUTH_REQ_SYSTEM_VERIEXEC_MODIFY,
KAUTH_REQ_SYSTEM_LFS_MARKV,
KAUTH_REQ_SYSTEM_LFS_BMAPV,
KAUTH_REQ_SYSTEM_LFS_SEGCLEAN,
KAUTH_REQ_SYSTEM_LFS_SEGWAIT,
KAUTH_REQ_SYSTEM_LFS_FCNTL,
KAUTH_REQ_SYSTEM_MOUNT_UMAP,
KAUTH_REQ_SYSTEM_MOUNT_DEVICE,
};
/*
* Process scope - actions.
*/
enum {
KAUTH_PROCESS_CANSEE=1,
KAUTH_PROCESS_CORENAME,
KAUTH_PROCESS_FORK,
KAUTH_PROCESS_KEVENT_FILTER,
KAUTH_PROCESS_KTRACE,
KAUTH_PROCESS_NICE,
KAUTH_PROCESS_PROCFS,
KAUTH_PROCESS_PTRACE,
KAUTH_PROCESS_RLIMIT,
KAUTH_PROCESS_SCHEDULER_GETAFFINITY,
KAUTH_PROCESS_SCHEDULER_SETAFFINITY,
KAUTH_PROCESS_SCHEDULER_GETPARAM,
KAUTH_PROCESS_SCHEDULER_SETPARAM,
KAUTH_PROCESS_SETID,
KAUTH_PROCESS_SIGNAL,
KAUTH_PROCESS_STOPFLAG
};
/*
* Process scope - sub-actions.
*/
enum kauth_process_req {
KAUTH_REQ_PROCESS_CANSEE_ARGS=1,
KAUTH_REQ_PROCESS_CANSEE_ENTRY,
KAUTH_REQ_PROCESS_CANSEE_ENV,
KAUTH_REQ_PROCESS_CANSEE_OPENFILES,
KAUTH_REQ_PROCESS_CORENAME_GET,
KAUTH_REQ_PROCESS_CORENAME_SET,
KAUTH_REQ_PROCESS_KTRACE_PERSISTENT,
KAUTH_REQ_PROCESS_PROCFS_CTL,
KAUTH_REQ_PROCESS_PROCFS_READ,
KAUTH_REQ_PROCESS_PROCFS_RW,
KAUTH_REQ_PROCESS_PROCFS_WRITE,
KAUTH_REQ_PROCESS_RLIMIT_GET,
KAUTH_REQ_PROCESS_RLIMIT_SET,
KAUTH_REQ_PROCESS_RLIMIT_BYPASS,
};
/*
* Network scope - actions.
*/
enum {
KAUTH_NETWORK_ALTQ=1,
KAUTH_NETWORK_BIND,
KAUTH_NETWORK_FIREWALL,
KAUTH_NETWORK_INTERFACE,
KAUTH_NETWORK_FORWSRCRT,
KAUTH_NETWORK_NFS,
KAUTH_NETWORK_ROUTE,
KAUTH_NETWORK_SOCKET,
KAUTH_NETWORK_INTERFACE_PPP,
KAUTH_NETWORK_INTERFACE_SLIP,
KAUTH_NETWORK_INTERFACE_STRIP,
KAUTH_NETWORK_INTERFACE_TUN,
KAUTH_NETWORK_INTERFACE_BRIDGE,
KAUTH_NETWORK_IPSEC,
KAUTH_NETWORK_INTERFACE_PVC,
KAUTH_NETWORK_IPV6,
KAUTH_NETWORK_SMB,
};
/*
* Network scope - sub-actions.
*/
enum kauth_network_req {
KAUTH_REQ_NETWORK_ALTQ_AFMAP=1,
KAUTH_REQ_NETWORK_ALTQ_BLUE,
KAUTH_REQ_NETWORK_ALTQ_CBQ,
KAUTH_REQ_NETWORK_ALTQ_CDNR,
KAUTH_REQ_NETWORK_ALTQ_CONF,
KAUTH_REQ_NETWORK_ALTQ_FIFOQ,
KAUTH_REQ_NETWORK_ALTQ_HFSC,
KAUTH_REQ_NETWORK_ALTQ_JOBS,
KAUTH_REQ_NETWORK_ALTQ_PRIQ,
KAUTH_REQ_NETWORK_ALTQ_RED,
KAUTH_REQ_NETWORK_ALTQ_RIO,
KAUTH_REQ_NETWORK_ALTQ_WFQ,
KAUTH_REQ_NETWORK_BIND_PORT,
KAUTH_REQ_NETWORK_BIND_PRIVPORT,
KAUTH_REQ_NETWORK_FIREWALL_FW,
KAUTH_REQ_NETWORK_FIREWALL_NAT,
KAUTH_REQ_NETWORK_INTERFACE_GET,
KAUTH_REQ_NETWORK_INTERFACE_GETPRIV,
KAUTH_REQ_NETWORK_INTERFACE_SET,
KAUTH_REQ_NETWORK_INTERFACE_SETPRIV,
KAUTH_REQ_NETWORK_NFS_EXPORT,
KAUTH_REQ_NETWORK_NFS_SVC,
KAUTH_REQ_NETWORK_SOCKET_OPEN,
KAUTH_REQ_NETWORK_SOCKET_RAWSOCK,
KAUTH_REQ_NETWORK_SOCKET_CANSEE,
KAUTH_REQ_NETWORK_SOCKET_DROP,
KAUTH_REQ_NETWORK_SOCKET_SETPRIV,
KAUTH_REQ_NETWORK_INTERFACE_PPP_ADD,
KAUTH_REQ_NETWORK_INTERFACE_SLIP_ADD,
KAUTH_REQ_NETWORK_INTERFACE_STRIP_ADD,
KAUTH_REQ_NETWORK_INTERFACE_TUN_ADD,
KAUTH_REQ_NETWORK_IPV6_HOPBYHOP,
KAUTH_REQ_NETWORK_INTERFACE_BRIDGE_GETPRIV,
KAUTH_REQ_NETWORK_INTERFACE_BRIDGE_SETPRIV,
KAUTH_REQ_NETWORK_IPSEC_BYPASS,
KAUTH_REQ_NETWORK_IPV6_JOIN_MULTICAST,
KAUTH_REQ_NETWORK_INTERFACE_PVC_ADD,
KAUTH_REQ_NETWORK_SMB_SHARE_ACCESS,
KAUTH_REQ_NETWORK_SMB_SHARE_CREATE,
KAUTH_REQ_NETWORK_SMB_VC_ACCESS,
KAUTH_REQ_NETWORK_SMB_VC_CREATE,
KAUTH_REQ_NETWORK_INTERFACE_FIRMWARE,
};
/*
* Machdep scope - actions.
*/
enum {
KAUTH_MACHDEP_CACHEFLUSH=1,
KAUTH_MACHDEP_CPU_UCODE_APPLY,
KAUTH_MACHDEP_IOPERM_GET,
KAUTH_MACHDEP_IOPERM_SET,
KAUTH_MACHDEP_IOPL,
KAUTH_MACHDEP_LDT_GET,
KAUTH_MACHDEP_LDT_SET,
KAUTH_MACHDEP_MTRR_GET,
KAUTH_MACHDEP_MTRR_SET,
KAUTH_MACHDEP_NVRAM,
KAUTH_MACHDEP_UNMANAGEDMEM,
KAUTH_MACHDEP_PXG,
};
/*
* Device scope - actions.
*/
enum {
KAUTH_DEVICE_TTY_OPEN=1,
KAUTH_DEVICE_TTY_PRIVSET,
KAUTH_DEVICE_TTY_STI,
KAUTH_DEVICE_RAWIO_SPEC,
KAUTH_DEVICE_RAWIO_PASSTHRU,
KAUTH_DEVICE_BLUETOOTH_SETPRIV,
KAUTH_DEVICE_RND_ADDDATA,
KAUTH_DEVICE_RND_ADDDATA_ESTIMATE,
KAUTH_DEVICE_RND_GETPRIV,
KAUTH_DEVICE_RND_SETPRIV,
KAUTH_DEVICE_BLUETOOTH_BCSP,
KAUTH_DEVICE_BLUETOOTH_BTUART,
KAUTH_DEVICE_GPIO_PINSET,
KAUTH_DEVICE_BLUETOOTH_SEND,
KAUTH_DEVICE_BLUETOOTH_RECV,
KAUTH_DEVICE_TTY_VIRTUAL,
KAUTH_DEVICE_WSCONS_KEYBOARD_BELL,
KAUTH_DEVICE_WSCONS_KEYBOARD_KEYREPEAT,
};
/*
* Device scope - sub-actions.
*/
enum kauth_device_req {
KAUTH_REQ_DEVICE_RAWIO_SPEC_READ=1,
KAUTH_REQ_DEVICE_RAWIO_SPEC_WRITE,
KAUTH_REQ_DEVICE_RAWIO_SPEC_RW,
KAUTH_REQ_DEVICE_BLUETOOTH_BCSP_ADD,
KAUTH_REQ_DEVICE_BLUETOOTH_BTUART_ADD,
};
/*
* Credentials scope - actions.
*/
enum {
KAUTH_CRED_INIT=1,
KAUTH_CRED_FORK,
KAUTH_CRED_COPY,
KAUTH_CRED_FREE,
KAUTH_CRED_CHROOT
};
/*
* Vnode scope - action bits.
*/
#define KAUTH_VNODE_READ_DATA (1U << 0)
#define KAUTH_VNODE_LIST_DIRECTORY KAUTH_VNODE_READ_DATA
#define KAUTH_VNODE_WRITE_DATA (1U << 1)
#define KAUTH_VNODE_ADD_FILE KAUTH_VNODE_WRITE_DATA
#define KAUTH_VNODE_EXECUTE (1U << 2)
#define KAUTH_VNODE_SEARCH KAUTH_VNODE_EXECUTE
#define KAUTH_VNODE_DELETE (1U << 3)
#define KAUTH_VNODE_APPEND_DATA (1U << 4)
#define KAUTH_VNODE_ADD_SUBDIRECTORY KAUTH_VNODE_APPEND_DATA
#define KAUTH_VNODE_READ_TIMES (1U << 5)
#define KAUTH_VNODE_WRITE_TIMES (1U << 6)
#define KAUTH_VNODE_READ_FLAGS (1U << 7)
#define KAUTH_VNODE_WRITE_FLAGS (1U << 8)
#define KAUTH_VNODE_READ_SYSFLAGS (1U << 9)
#define KAUTH_VNODE_WRITE_SYSFLAGS (1U << 10)
#define KAUTH_VNODE_RENAME (1U << 11)
#define KAUTH_VNODE_CHANGE_OWNERSHIP (1U << 12)
#define KAUTH_VNODE_READ_SECURITY (1U << 13)
#define KAUTH_VNODE_WRITE_SECURITY (1U << 14)
#define KAUTH_VNODE_READ_ATTRIBUTES (1U << 15)
#define KAUTH_VNODE_WRITE_ATTRIBUTES (1U << 16)
#define KAUTH_VNODE_READ_EXTATTRIBUTES (1U << 17)
#define KAUTH_VNODE_WRITE_EXTATTRIBUTES (1U << 18)
#define KAUTH_VNODE_RETAIN_SUID (1U << 19)
#define KAUTH_VNODE_RETAIN_SGID (1U << 20)
#define KAUTH_VNODE_REVOKE (1U << 21)
#define KAUTH_VNODE_IS_EXEC (1U << 29)
#define KAUTH_VNODE_HAS_SYSFLAGS (1U << 30)
#define KAUTH_VNODE_ACCESS (1U << 31)
/*
* This is a special fs_decision indication that can be used by file-systems
* that don't support decision-before-action to tell kauth(9) it can only
* short-circuit the operation beforehand.
*/
#define KAUTH_VNODE_REMOTEFS (-1)
/*
* Device scope, passthru request - identifiers.
*/
#define KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_READ 0x00000001
#define KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_WRITE 0x00000002
#define KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_READCONF 0x00000004
#define KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_WRITECONF 0x00000008
#define KAUTH_REQ_DEVICE_RAWIO_PASSTHRU_ALL 0x0000000F
#define NOCRED ((kauth_cred_t)-1) /* no credential available */
#define FSCRED ((kauth_cred_t)-2) /* filesystem credential */
/* Macro to help passing arguments to authorization wrappers. */
#define KAUTH_ARG(arg) ((void *)(unsigned long)(arg))
/*
* A file-system object is determined to be able to execute if it's a
* directory or if the execute bit is present in any of the
* owner/group/other modes.
*
* This helper macro is intended to be used in order to implement a
* policy that maintains the semantics of "a privileged user can enter
* directory, and can execute any file, but only if the file is actually
* executable."
*/
#define FS_OBJECT_CAN_EXEC(vtype, mode) (((vtype) == VDIR) || \
((mode) & \
(S_IXUSR|S_IXGRP|S_IXOTH)))
/*
* Prototypes.
*/
void kauth_init(void);
kauth_scope_t kauth_register_scope(const char *, kauth_scope_callback_t, void *);
void kauth_deregister_scope(kauth_scope_t);
kauth_listener_t kauth_listen_scope(const char *, kauth_scope_callback_t, void *);
void kauth_unlisten_scope(kauth_listener_t);
int kauth_authorize_action(kauth_scope_t, kauth_cred_t, kauth_action_t, void *,
void *, void *, void *);
/* Authorization wrappers. */
int kauth_authorize_generic(kauth_cred_t, kauth_action_t, void *);
int kauth_authorize_system(kauth_cred_t, kauth_action_t, enum kauth_system_req,
void *, void *, void *);
int kauth_authorize_process(kauth_cred_t, kauth_action_t, struct proc *,
void *, void *, void *);
int kauth_authorize_network(kauth_cred_t, kauth_action_t,
enum kauth_network_req, void *, void *, void *);
int kauth_authorize_machdep(kauth_cred_t, kauth_action_t,
void *, void *, void *, void *);
int kauth_authorize_device(kauth_cred_t, kauth_action_t,
void *, void *, void *, void *);
int kauth_authorize_device_tty(kauth_cred_t, kauth_action_t, struct tty *);
int kauth_authorize_device_spec(kauth_cred_t, enum kauth_device_req,
struct vnode *);
int kauth_authorize_device_passthru(kauth_cred_t, dev_t, u_long, void *);
int kauth_authorize_vnode(kauth_cred_t, kauth_action_t, struct vnode *,
struct vnode *, int);
/* Kauth credentials management routines. */
kauth_cred_t kauth_cred_alloc(void);
void kauth_cred_free(kauth_cred_t);
void kauth_cred_clone(kauth_cred_t, kauth_cred_t);
kauth_cred_t kauth_cred_dup(kauth_cred_t);
kauth_cred_t kauth_cred_copy(kauth_cred_t);
uid_t kauth_cred_getuid(kauth_cred_t);
uid_t kauth_cred_geteuid(kauth_cred_t);
uid_t kauth_cred_getsvuid(kauth_cred_t);
gid_t kauth_cred_getgid(kauth_cred_t);
gid_t kauth_cred_getegid(kauth_cred_t);
gid_t kauth_cred_getsvgid(kauth_cred_t);
int kauth_cred_ismember_gid(kauth_cred_t, gid_t, int *);
u_int kauth_cred_ngroups(kauth_cred_t);
gid_t kauth_cred_group(kauth_cred_t, u_int);
void kauth_cred_setuid(kauth_cred_t, uid_t);
void kauth_cred_seteuid(kauth_cred_t, uid_t);
void kauth_cred_setsvuid(kauth_cred_t, uid_t);
void kauth_cred_setgid(kauth_cred_t, gid_t);
void kauth_cred_setegid(kauth_cred_t, gid_t);
void kauth_cred_setsvgid(kauth_cred_t, gid_t);
void kauth_cred_hold(kauth_cred_t);
u_int kauth_cred_getrefcnt(kauth_cred_t);
int kauth_cred_setgroups(kauth_cred_t, const gid_t *, size_t, uid_t,
enum uio_seg);
int kauth_cred_getgroups(kauth_cred_t, gid_t *, size_t, enum uio_seg);
/* This is for sys_setgroups() */
int kauth_proc_setgroups(struct lwp *, kauth_cred_t);
int kauth_register_key(secmodel_t, kauth_key_t *);
int kauth_deregister_key(kauth_key_t);
void kauth_cred_setdata(kauth_cred_t, kauth_key_t, void *);
void *kauth_cred_getdata(kauth_cred_t, kauth_key_t);
int kauth_cred_uidmatch(kauth_cred_t, kauth_cred_t);
void kauth_uucred_to_cred(kauth_cred_t, const struct uucred *);
void kauth_cred_to_uucred(struct uucred *, const kauth_cred_t);
int kauth_cred_uucmp(kauth_cred_t, const struct uucred *);
void kauth_cred_toucred(kauth_cred_t, struct ki_ucred *);
void kauth_cred_topcred(kauth_cred_t, struct ki_pcred *);
kauth_action_t kauth_mode_to_action(mode_t);
kauth_action_t kauth_extattr_action(mode_t);
#define KAUTH_ACCESS_ACTION(access_mode, vn_vtype, file_mode) \
(kauth_mode_to_action(access_mode) | \
(FS_OBJECT_CAN_EXEC(vn_vtype, file_mode) ? KAUTH_VNODE_IS_EXEC : 0))
kauth_cred_t kauth_cred_get(void);
void kauth_proc_fork(struct proc *, struct proc *);
void kauth_proc_chroot(kauth_cred_t cred, struct cwdinfo *cwdi);
#endif /* !_SYS_KAUTH_H_ */