FreeBSD/Linux Kernel Cross Reference
sys/sys/priv.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2006 nCircle Network Security, Inc.
      * All rights reserved.
      *
      * This software was developed by Robert N. M. Watson for the TrustedBSD
      * Project under contract to nCircle Network Security, Inc.
      *
     * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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, NCIRCLE NETWORK SECURITY,
     * INC., OR CONTRIBUTORS 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.
     *
     * $FreeBSD$
     */
    
    /*
     * Privilege checking interface for BSD kernel.
     */
    #ifndef _SYS_PRIV_H_
    #define _SYS_PRIV_H_
    
    /*
     * Privilege list, sorted loosely by kernel subsystem.
     *
     * Think carefully before adding or reusing one of these privileges -- are
     * there existing instances referring to the same privilege?  Third party
     * vendors may request the assignment of privileges to be used in loadable
     * modules.  Particular numeric privilege assignments are part of the
     * loadable kernel module ABI, and should not be changed across minor
     * releases.
     *
     * When adding a new privilege, remember to determine if it's appropriate
     * for use in jail, and update the privilege switch in prison_priv_check()
     * in kern_jail.c as necessary.
     */
    
    /*
     * Track beginning of privilege list.
     */
    #define _PRIV_LOWEST    1
    
    /*
     * The remaining privileges typically correspond to one or a small
     * number of specific privilege checks, and have (relatively) precise
     * meanings.  They are loosely sorted into a set of base system
     * privileges, such as the ability to reboot, and then loosely by
     * subsystem, indicated by a subsystem name.
     */
    #define _PRIV_ROOT              1       /* Removed. */
    #define PRIV_ACCT               2       /* Manage process accounting. */
    #define PRIV_MAXFILES           3       /* Exceed system open files limit. */
    #define PRIV_MAXPROC            4       /* Exceed system processes limit. */
    #define PRIV_KTRACE             5       /* Set/clear KTRFAC_ROOT on ktrace. */
    #define PRIV_SETDUMPER          6       /* Configure dump device. */
    #define PRIV_REBOOT             8       /* Can reboot system. */
    #define PRIV_SWAPON             9       /* Can swapon(). */
    #define PRIV_SWAPOFF            10      /* Can swapoff(). */
    #define PRIV_MSGBUF             11      /* Can read kernel message buffer. */
    #define PRIV_IO                 12      /* Can perform low-level I/O. */
    #define PRIV_KEYBOARD           13      /* Reprogram keyboard. */
    #define PRIV_DRIVER             14      /* Low-level driver privilege. */
    #define PRIV_ADJTIME            15      /* Set time adjustment. */
    #define PRIV_NTP_ADJTIME        16      /* Set NTP time adjustment. */
    #define PRIV_CLOCK_SETTIME      17      /* Can call clock_settime. */
    #define PRIV_SETTIMEOFDAY       18      /* Can call settimeofday. */
    #define _PRIV_SETHOSTID         19      /* Removed. */
    #define _PRIV_SETDOMAINNAME     20      /* Removed. */
    
    /*
     * Audit subsystem privileges.
     */
    #define PRIV_AUDIT_CONTROL      40      /* Can configure audit. */
    #define PRIV_AUDIT_FAILSTOP     41      /* Can run during audit fail stop. */
    #define PRIV_AUDIT_GETAUDIT     42      /* Can get proc audit properties. */
    #define PRIV_AUDIT_SETAUDIT     43      /* Can set proc audit properties. */
    #define PRIV_AUDIT_SUBMIT       44      /* Can submit an audit record. */
    
    /*
     * Credential management privileges.
     */
    #define PRIV_CRED_SETUID        50      /* setuid. */
   #define PRIV_CRED_SETEUID       51      /* seteuid to !ruid and !svuid. */
   #define PRIV_CRED_SETGID        52      /* setgid. */
   #define PRIV_CRED_SETEGID       53      /* setgid to !rgid and !svgid. */
   #define PRIV_CRED_SETGROUPS     54      /* Set process additional groups. */
   #define PRIV_CRED_SETREUID      55      /* setreuid. */
   #define PRIV_CRED_SETREGID      56      /* setregid. */
   #define PRIV_CRED_SETRESUID     57      /* setresuid. */
   #define PRIV_CRED_SETRESGID     58      /* setresgid. */
   #define PRIV_SEEOTHERGIDS       59      /* Exempt bsd.seeothergids. */
   #define PRIV_SEEOTHERUIDS       60      /* Exempt bsd.seeotheruids. */
   
   /*
    * Debugging privileges.
    */
   #define PRIV_DEBUG_DIFFCRED     80      /* Exempt debugging other users. */
   #define PRIV_DEBUG_SUGID        81      /* Exempt debugging setuid proc. */
   #define PRIV_DEBUG_UNPRIV       82      /* Exempt unprivileged debug limit. */
   #define PRIV_DEBUG_DENIED       83      /* Exempt P2_NOTRACE. */
   
   /*
    * Dtrace privileges.
    */
   #define PRIV_DTRACE_KERNEL      90      /* Allow use of DTrace on the kernel. */
   #define PRIV_DTRACE_PROC        91      /* Allow attaching DTrace to process. */
   #define PRIV_DTRACE_USER        92      /* Process may submit DTrace events. */
   
   /*
    * Firmware privilegs.
    */
   #define PRIV_FIRMWARE_LOAD      100     /* Can load firmware. */
   
   /*
    * Jail privileges.
    */
   #define PRIV_JAIL_ATTACH        110     /* Attach to a jail. */
   #define PRIV_JAIL_SET           111     /* Set jail parameters. */
   #define PRIV_JAIL_REMOVE        112     /* Remove a jail. */
   
   /*
    * Kernel environment privileges.
    */
   #define PRIV_KENV_SET           120     /* Set kernel env. variables. */
   #define PRIV_KENV_UNSET         121     /* Unset kernel env. variables. */
   
   /*
    * Loadable kernel module privileges.
    */
   #define PRIV_KLD_LOAD           130     /* Load a kernel module. */
   #define PRIV_KLD_UNLOAD         131     /* Unload a kernel module. */
   
   /*
    * Privileges associated with the MAC Framework and specific MAC policy
    * modules.
    */
   #define PRIV_MAC_PARTITION      140     /* Privilege in mac_partition policy. */
   #define PRIV_MAC_PRIVS          141     /* Privilege in the mac_privs policy. */
   
   /*
    * Process-related privileges.
    */
   #define PRIV_PROC_LIMIT         160     /* Exceed user process limit. */
   #define PRIV_PROC_SETLOGIN      161     /* Can call setlogin. */
   #define PRIV_PROC_SETRLIMIT     162     /* Can raise resources limits. */
   #define PRIV_PROC_SETLOGINCLASS 163     /* Can call setloginclass(2). */
   
   /*
    * System V IPC privileges.
    */
   #define PRIV_IPC_READ           170     /* Can override IPC read perm. */
   #define PRIV_IPC_WRITE          171     /* Can override IPC write perm. */
   #define PRIV_IPC_ADMIN          172     /* Can override IPC owner-only perm. */
   #define PRIV_IPC_MSGSIZE        173     /* Exempt IPC message queue limit. */
   
   /*
    * POSIX message queue privileges.
    */
   #define PRIV_MQ_ADMIN           180     /* Can override msgq owner-only perm. */
   
   /*
    * Performance monitoring counter privileges.
    */
   #define PRIV_PMC_MANAGE         190     /* Can administer PMC. */
   #define PRIV_PMC_SYSTEM         191     /* Can allocate a system-wide PMC. */
   
   /*
    * Scheduling privileges.
    */
   #define PRIV_SCHED_DIFFCRED     200     /* Exempt scheduling other users. */
   #define PRIV_SCHED_SETPRIORITY  201     /* Can set lower nice value for proc. */
   #define PRIV_SCHED_RTPRIO       202     /* Can set real time scheduling. */
   #define PRIV_SCHED_SETPOLICY    203     /* Can set scheduler policy. */
   #define PRIV_SCHED_SET          204     /* Can set thread scheduler. */
   #define PRIV_SCHED_SETPARAM     205     /* Can set thread scheduler params. */
   #define PRIV_SCHED_CPUSET       206     /* Can manipulate cpusets. */
   #define PRIV_SCHED_CPUSET_INTR  207     /* Can adjust IRQ to CPU binding. */
   #define PRIV_SCHED_IDPRIO       208     /* Can set idle time scheduling. */
   
   /*
    * POSIX semaphore privileges.
    */
   #define PRIV_SEM_WRITE          220     /* Can override sem write perm. */
   
   /*
    * Signal privileges.
    */
   #define PRIV_SIGNAL_DIFFCRED    230     /* Exempt signalling other users. */
   #define PRIV_SIGNAL_SUGID       231     /* Non-conserv signal setuid proc. */
   
   /*
    * Sysctl privileges.
    */
   #define PRIV_SYSCTL_DEBUG       240     /* Can invoke sysctl.debug. */
   #define PRIV_SYSCTL_WRITE       241     /* Can write sysctls. */
   #define PRIV_SYSCTL_WRITEJAIL   242     /* Can write sysctls, jail permitted. */
   
   /*
    * TTY privileges.
    */
   #define PRIV_TTY_CONSOLE        250     /* Set console to tty. */
   #define PRIV_TTY_DRAINWAIT      251     /* Set tty drain wait time. */
   #define PRIV_TTY_DTRWAIT        252     /* Set DTR wait on tty. */
   #define PRIV_TTY_EXCLUSIVE      253     /* Override tty exclusive flag. */
   #define _PRIV_TTY_PRISON        254     /* Removed. */
   #define PRIV_TTY_STI            255     /* Simulate input on another tty. */
   #define PRIV_TTY_SETA           256     /* Set tty termios structure. */
   
   /*
    * UFS-specific privileges.
    */
   #define PRIV_UFS_EXTATTRCTL     270     /* Can configure EAs on UFS1. */
   #define PRIV_UFS_QUOTAOFF       271     /* quotaoff(). */
   #define PRIV_UFS_QUOTAON        272     /* quotaon(). */
   #define PRIV_UFS_SETUSE         273     /* setuse(). */
   
   /*
    * ZFS-specific privileges.
    */
   #define PRIV_ZFS_POOL_CONFIG    280     /* Can configure ZFS pools. */
   #define PRIV_ZFS_INJECT         281     /* Can inject faults in the ZFS fault
                                              injection framework. */
   #define PRIV_ZFS_JAIL           282     /* Can attach/detach ZFS file systems
                                              to/from jails. */
   
   /*
    * NFS-specific privileges.
    */
   #define PRIV_NFS_DAEMON         290     /* Can become the NFS daemon. */
   #define PRIV_NFS_LOCKD          291     /* Can become NFS lock daemon. */
   
   /*
    * VFS privileges.
    */
   #define PRIV_VFS_READ           310     /* Override vnode DAC read perm. */
   #define PRIV_VFS_WRITE          311     /* Override vnode DAC write perm. */
   #define PRIV_VFS_ADMIN          312     /* Override vnode DAC admin perm. */
   #define PRIV_VFS_EXEC           313     /* Override vnode DAC exec perm. */
   #define PRIV_VFS_LOOKUP         314     /* Override vnode DAC lookup perm. */
   #define PRIV_VFS_BLOCKRESERVE   315     /* Can use free block reserve. */
   #define PRIV_VFS_CHFLAGS_DEV    316     /* Can chflags() a device node. */
   #define PRIV_VFS_CHOWN          317     /* Can set user; group to non-member. */
   #define PRIV_VFS_CHROOT         318     /* chroot(). */
   #define PRIV_VFS_RETAINSUGID    319     /* Can retain sugid bits on change. */
   #define PRIV_VFS_EXCEEDQUOTA    320     /* Exempt from quota restrictions. */
   #define PRIV_VFS_EXTATTR_SYSTEM 321     /* Operate on system EA namespace. */
   #define PRIV_VFS_FCHROOT        322     /* fchroot(). */
   #define PRIV_VFS_FHOPEN         323     /* Can fhopen(). */
   #define PRIV_VFS_FHSTAT         324     /* Can fhstat(). */
   #define PRIV_VFS_FHSTATFS       325     /* Can fhstatfs(). */
   #define PRIV_VFS_GENERATION     326     /* stat() returns generation number. */
   #define PRIV_VFS_GETFH          327     /* Can retrieve file handles. */
   #define PRIV_VFS_GETQUOTA       328     /* getquota(). */
   #define PRIV_VFS_LINK           329     /* bsd.hardlink_check_uid */
   #define PRIV_VFS_MKNOD_BAD      330     /* Was: mknod() can mark bad inodes. */
   #define PRIV_VFS_MKNOD_DEV      331     /* Can mknod() to create dev nodes. */
   #define PRIV_VFS_MKNOD_WHT      332     /* Can mknod() to create whiteout. */
   #define PRIV_VFS_MOUNT          333     /* Can mount(). */
   #define PRIV_VFS_MOUNT_OWNER    334     /* Can manage other users' file systems. */
   #define PRIV_VFS_MOUNT_EXPORTED 335     /* Can set MNT_EXPORTED on mount. */
   #define PRIV_VFS_MOUNT_PERM     336     /* Override dev node perms at mount. */
   #define PRIV_VFS_MOUNT_SUIDDIR  337     /* Can set MNT_SUIDDIR on mount. */
   #define PRIV_VFS_MOUNT_NONUSER  338     /* Can perform a non-user mount. */
   #define PRIV_VFS_SETGID         339     /* Can setgid if not in group. */
   #define PRIV_VFS_SETQUOTA       340     /* setquota(). */
   #define PRIV_VFS_STICKYFILE     341     /* Can set sticky bit on file. */
   #define PRIV_VFS_SYSFLAGS       342     /* Can modify system flags. */
   #define PRIV_VFS_UNMOUNT        343     /* Can unmount(). */
   #define PRIV_VFS_STAT           344     /* Override vnode MAC stat perm. */
   #define PRIV_VFS_READ_DIR       345     /* Can read(2) a dirfd, needs sysctl. */
   
   /*
    * Virtual memory privileges.
    */
   #define PRIV_VM_MADV_PROTECT    360     /* Can set MADV_PROTECT. */
   #define PRIV_VM_MLOCK           361     /* Can mlock(), mlockall(). */
   #define PRIV_VM_MUNLOCK         362     /* Can munlock(), munlockall(). */
   #define PRIV_VM_SWAP_NOQUOTA    363     /*
                                            * Can override the global
                                            * swap reservation limits.
                                            */
   #define PRIV_VM_SWAP_NORLIMIT   364     /*
                                            * Can override the per-uid
                                            * swap reservation limits.
                                            */
   
   /*
    * Device file system privileges.
    */
   #define PRIV_DEVFS_RULE         370     /* Can manage devfs rules. */
   #define PRIV_DEVFS_SYMLINK      371     /* Can create symlinks in devfs. */
   
   /*
    * Random number generator privileges.
    */
   #define PRIV_RANDOM_RESEED      380     /* Closing /dev/random reseeds. */
   
   /*
    * Network stack privileges.
    */
   #define PRIV_NET_BRIDGE         390     /* Administer bridge. */
   #define PRIV_NET_GRE            391     /* Administer GRE. */
   #define _PRIV_NET_PPP           392     /* Removed. */
   #define _PRIV_NET_SLIP          393     /* Removed. */
   #define PRIV_NET_BPF            394     /* Monitor BPF. */
   #define PRIV_NET_RAW            395     /* Open raw socket. */
   #define PRIV_NET_ROUTE          396     /* Administer routing. */
   #define PRIV_NET_TAP            397     /* Can open tap device. */
   #define PRIV_NET_SETIFMTU       398     /* Set interface MTU. */
   #define PRIV_NET_SETIFFLAGS     399     /* Set interface flags. */
   #define PRIV_NET_SETIFCAP       400     /* Set interface capabilities. */
   #define PRIV_NET_SETIFNAME      401     /* Set interface name. */
   #define PRIV_NET_SETIFMETRIC    402     /* Set interface metrics. */
   #define PRIV_NET_SETIFPHYS      403     /* Set interface physical layer prop. */
   #define PRIV_NET_SETIFMAC       404     /* Set interface MAC label. */
   #define PRIV_NET_ADDMULTI       405     /* Add multicast addr. to ifnet. */
   #define PRIV_NET_DELMULTI       406     /* Delete multicast addr. from ifnet. */
   #define PRIV_NET_HWIOCTL        407     /* Issue hardware ioctl on ifnet. */
   #define PRIV_NET_SETLLADDR      408     /* Set interface link-level address. */
   #define PRIV_NET_ADDIFGROUP     409     /* Add new interface group. */
   #define PRIV_NET_DELIFGROUP     410     /* Delete interface group. */
   #define PRIV_NET_IFCREATE       411     /* Create cloned interface. */
   #define PRIV_NET_IFDESTROY      412     /* Destroy cloned interface. */
   #define PRIV_NET_ADDIFADDR      413     /* Add protocol addr to interface. */
   #define PRIV_NET_DELIFADDR      414     /* Delete protocol addr on interface. */
   #define PRIV_NET_LAGG           415     /* Administer lagg interface. */
   #define PRIV_NET_GIF            416     /* Administer gif interface. */
   #define PRIV_NET_SETIFVNET      417     /* Move interface to vnet. */
   #define PRIV_NET_SETIFDESCR     418     /* Set interface description. */
   #define PRIV_NET_SETIFFIB       419     /* Set interface fib. */
   #define PRIV_NET_VXLAN          420     /* Administer vxlan. */
   #define PRIV_NET_SETLANPCP      421     /* Set LAN priority. */
   #define PRIV_NET_SETVLANPCP     PRIV_NET_SETLANPCP /* Alias Set VLAN priority */
   #define PRIV_NET_OVPN           422     /* Administer OpenVPN DCO. */
   #define PRIV_NET_ME             423     /* Administer ME interface. */
   #define PRIV_NET_WG             424     /* Administer WireGuard interface. */
   
   /*
    * 802.11-related privileges.
    */
   #define PRIV_NET80211_VAP_GETKEY        440     /* Query VAP 802.11 keys. */
   #define PRIV_NET80211_VAP_MANAGE        441     /* Administer 802.11 VAP */
   #define PRIV_NET80211_VAP_SETMAC        442     /* Set VAP MAC address */
   #define PRIV_NET80211_CREATE_VAP        443     /* Create a new VAP */
   
   /*
    * Placeholder for AppleTalk privileges, not supported anymore.
    */
   #define _PRIV_NETATALK_RESERVEDPORT     450     /* Bind low port number. */
   
   /*
    * ATM privileges.
    */
   #define PRIV_NETATM_CFG         460
   #define PRIV_NETATM_ADD         461
   #define PRIV_NETATM_DEL         462
   #define PRIV_NETATM_SET         463
   
   /*
    * Bluetooth privileges.
    */
   #define PRIV_NETBLUETOOTH_RAW   470     /* Open raw bluetooth socket. */
   
   /*
    * Netgraph and netgraph module privileges.
    */
   #define PRIV_NETGRAPH_CONTROL   480     /* Open netgraph control socket. */
   #define PRIV_NETGRAPH_TTY       481     /* Configure tty for netgraph. */
   
   /*
    * IPv4 and IPv6 privileges.
    */
   #define PRIV_NETINET_RESERVEDPORT       490     /* Bind low port number. */
   #define PRIV_NETINET_IPFW       491     /* Administer IPFW firewall. */
   #define PRIV_NETINET_DIVERT     492     /* Open IP divert socket. */
   #define PRIV_NETINET_PF         493     /* Administer pf firewall. */
   #define PRIV_NETINET_DUMMYNET   494     /* Administer DUMMYNET. */
   #define PRIV_NETINET_CARP       495     /* Administer CARP. */
   #define PRIV_NETINET_MROUTE     496     /* Administer multicast routing. */
   #define PRIV_NETINET_RAW        497     /* Open netinet raw socket. */
   #define PRIV_NETINET_GETCRED    498     /* Query netinet pcb credentials. */
   #define PRIV_NETINET_ADDRCTRL6  499     /* Administer IPv6 address scopes. */
   #define PRIV_NETINET_ND6        500     /* Administer IPv6 neighbor disc. */
   #define PRIV_NETINET_SCOPE6     501     /* Administer IPv6 address scopes. */
   #define PRIV_NETINET_ALIFETIME6 502     /* Administer IPv6 address lifetimes. */
   #define PRIV_NETINET_IPSEC      503     /* Administer IPSEC. */
   #define PRIV_NETINET_REUSEPORT  504     /* Allow [rapid] port/address reuse. */
   #define PRIV_NETINET_SETHDROPTS 505     /* Set certain IPv4/6 header options. */
   #define PRIV_NETINET_BINDANY    506     /* Allow bind to any address. */
   #define PRIV_NETINET_HASHKEY    507     /* Get and set hash keys for IPv4/6. */
   
   /*
    * Placeholders for IPX/SPX privileges, not supported any more.
    */
   #define _PRIV_NETIPX_RESERVEDPORT       520     /* Bind low port number. */
   #define _PRIV_NETIPX_RAW                521     /* Open netipx raw socket. */
   
   /*
    * NCP privileges.
    */
   #define PRIV_NETNCP             530     /* Use another user's connection. */
   
   /*
    * SMB privileges.
    */
   #define PRIV_NETSMB             540     /* Use another user's connection. */
   
   /*
    * VM86 privileges.
    */
   #define PRIV_VM86_INTCALL       550     /* Allow invoking vm86 int handlers. */
   
   /*
    * Set of reserved privilege values, which will be allocated to code as
    * needed, in order to avoid renumbering later privileges due to insertion.
    */
   #define _PRIV_RESERVED0         560
   #define _PRIV_RESERVED1         561
   #define _PRIV_RESERVED2         562
   #define _PRIV_RESERVED3         563
   #define _PRIV_RESERVED4         564
   #define _PRIV_RESERVED5         565
   #define _PRIV_RESERVED6         566
   #define _PRIV_RESERVED7         567
   #define _PRIV_RESERVED8         568
   #define _PRIV_RESERVED9         569
   #define _PRIV_RESERVED10        570
   #define _PRIV_RESERVED11        571
   #define _PRIV_RESERVED12        572
   #define _PRIV_RESERVED13        573
   #define _PRIV_RESERVED14        574
   #define _PRIV_RESERVED15        575
   
   /*
    * Define a set of valid privilege numbers that can be used by loadable
    * modules that don't yet have privilege reservations.  Ideally, these should
    * not be used, since their meaning is opaque to any policies that are aware
    * of specific privileges, such as jail, and as such may be arbitrarily
    * denied.
    */
   #define PRIV_MODULE0            600
   #define PRIV_MODULE1            601
   #define PRIV_MODULE2            602
   #define PRIV_MODULE3            603
   #define PRIV_MODULE4            604
   #define PRIV_MODULE5            605
   #define PRIV_MODULE6            606
   #define PRIV_MODULE7            607
   #define PRIV_MODULE8            608
   #define PRIV_MODULE9            609
   #define PRIV_MODULE10           610
   #define PRIV_MODULE11           611
   #define PRIV_MODULE12           612
   #define PRIV_MODULE13           613
   #define PRIV_MODULE14           614
   #define PRIV_MODULE15           615
   
   /*
    * DDB(4) privileges.
    */
   #define PRIV_DDB_CAPTURE        620     /* Allow reading of DDB capture log. */
   
   /*
    * Arla/nnpfs privileges.
    */
   #define PRIV_NNPFS_DEBUG        630     /* Perforn ARLA_VIOC_NNPFSDEBUG. */
   
   /*
    * cpuctl(4) privileges.
    */
   #define PRIV_CPUCTL_WRMSR       640     /* Write model-specific register. */
   #define PRIV_CPUCTL_UPDATE      641     /* Update cpu microcode. */
   
   /*
    * Capi4BSD privileges.
    */
   #define PRIV_C4B_RESET_CTLR     650     /* Load firmware, reset controller. */
   #define PRIV_C4B_TRACE          651     /* Unrestricted CAPI message tracing. */
   
   /*
    * OpenAFS privileges.
    */
   #define PRIV_AFS_ADMIN          660     /* Can change AFS client settings. */
   #define PRIV_AFS_DAEMON         661     /* Can become the AFS daemon. */
   
   /*
    * Resource Limits privileges.
    */
   #define PRIV_RCTL_GET_RACCT     670
   #define PRIV_RCTL_GET_RULES     671
   #define PRIV_RCTL_GET_LIMITS    672
   #define PRIV_RCTL_ADD_RULE      673
   #define PRIV_RCTL_REMOVE_RULE   674
   
   /*
    * mem(4) privileges.
    */
   #define PRIV_KMEM_READ          680     /* Open mem/kmem for reading. */
   #define PRIV_KMEM_WRITE         681     /* Open mem/kmem for writing. */
   
   /*
    * Track end of privilege list.
    */
   #define _PRIV_HIGHEST           682
   
   /*
    * Validate that a named privilege is known by the privilege system.  Invalid
    * privileges presented to the privilege system by a priv_check interface
    * will result in a panic.  This is only approximate due to sparse allocation
    * of the privilege space.
    */
   #define PRIV_VALID(x)   ((x) > _PRIV_LOWEST && (x) < _PRIV_HIGHEST)
   
   #ifdef _KERNEL
   /*
    * Privilege check interfaces, modeled after historic suser() interfaces, but
    * with the addition of a specific privilege name.  No flags are currently
    * defined for the API.  Historically, flags specified using the real uid
    * instead of the effective uid, and whether or not the check should be
    * allowed in jail.
    */
   struct thread;
   struct ucred;
   int     priv_check(struct thread *td, int priv);
   int     priv_check_cred(struct ucred *cred, int priv);
   int     priv_check_cred_vfs_lookup(struct ucred *cred);
   int     priv_check_cred_vfs_lookup_nomac(struct ucred *cred);
   int     priv_check_cred_vfs_generation(struct ucred *cred);
   #endif
   
   #endif /* !_SYS_PRIV_H_ */

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