The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/sys/priv.h

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    1 /*-
    2  * Copyright (c) 2006 nCircle Network Security, Inc.
    3  * All rights reserved.
    4  *
    5  * This software was developed by Robert N. M. Watson for the TrustedBSD
    6  * Project under contract to nCircle Network Security, Inc.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
   21  * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
   23  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  * $FreeBSD: src/sys/sys/priv.h,v 1.25 2008/11/17 20:49:29 pjd Exp $
   30  */
   31 
   32 /*
   33  * Privilege checking interface for BSD kernel.
   34  */
   35 #ifndef _SYS_PRIV_H_
   36 #define _SYS_PRIV_H_
   37 
   38 /*
   39  * Privilege list, sorted loosely by kernel subsystem.
   40  *
   41  * Think carefully before adding or reusing one of these privileges -- are
   42  * there existing instances referring to the same privilege?  Third party
   43  * vendors may request the assignment of privileges to be used in loadable
   44  * modules.  Particular numeric privilege assignments are part of the
   45  * loadable kernel module ABI, and should not be changed across minor
   46  * releases.
   47  *
   48  * When adding a new privilege, remember to determine if it's appropriate for
   49  * use in jail, and update the privilege switch in kern_jail.c as necessary.
   50  */
   51 
   52 /*
   53  * Track beginning of privilege list.
   54  */
   55 #define _PRIV_LOWEST    0
   56 
   57 /*
   58  * PRIV_ROOT is a catch-all for as yet unnamed privileges.  No new
   59  * references to this privilege should be added.
   60  */
   61 #define PRIV_ROOT       1       /* Catch-all during development. */
   62 
   63 /*
   64  * The remaining privileges typically correspond to one or a small
   65  * number of specific privilege checks, and have (relatively) precise
   66  * meanings.  They are loosely sorted into a set of base system
   67  * privileges, such as the ability to reboot, and then loosely by
   68  * subsystem, indicated by a subsystem name.
   69  */
   70 #define PRIV_ACCT               2       /* Manage process accounting. */
   71 #define PRIV_MAXFILES           3       /* Exceed system open files limit. */
   72 #define PRIV_MAXPROC            4       /* Exceed system processes limit. */
   73 #define PRIV_KTRACE             5       /* Set/clear KTRFAC_ROOT on ktrace. */
   74 #define PRIV_SETDUMPER          6       /* Configure dump device. */
   75 #define PRIV_REBOOT             8       /* Can reboot system. */
   76 #define PRIV_SWAPON             9       /* Can swapon(). */
   77 #define PRIV_SWAPOFF            10      /* Can swapoff(). */
   78 #define PRIV_MSGBUF             11      /* Can read kernel message buffer. */
   79 #define PRIV_IO                 12      /* Can perform low-level I/O. */
   80 #define PRIV_KEYBOARD           13      /* Reprogram keyboard. */
   81 #define PRIV_DRIVER             14      /* Low-level driver privilege. */
   82 #define PRIV_ADJTIME            15      /* Set time adjustment. */
   83 #define PRIV_NTP_ADJTIME        16      /* Set NTP time adjustment. */
   84 #define PRIV_CLOCK_SETTIME      17      /* Can call clock_settime. */
   85 #define PRIV_SETTIMEOFDAY       18      /* Can call settimeofday. */
   86 #define PRIV_SETHOSTID          19      /* Can call sethostid. */
   87 #define PRIV_SETDOMAINNAME      20      /* Can call setdomainname. */
   88 #define PRIV_SETHOSTNAME        21      /* Can call sethostname. */
   89 #define PRIV_VARSYM_SYS         22      /* Can varsym_set(VARSYM_SYS, ...) */
   90 
   91 /*
   92  * Audit subsystem privileges.
   93  */
   94 #define PRIV_AUDIT_CONTROL      40      /* Can configure audit. */
   95 #define PRIV_AUDIT_FAILSTOP     41      /* Can run during audit fail stop. */
   96 #define PRIV_AUDIT_GETAUDIT     42      /* Can get proc audit properties. */
   97 #define PRIV_AUDIT_SETAUDIT     43      /* Can set proc audit properties. */
   98 #define PRIV_AUDIT_SUBMIT       44      /* Can submit an audit record. */
   99 
  100 /*
  101  * Credential management privileges.
  102  */
  103 #define PRIV_CRED_SETUID        50      /* setuid. */
  104 #define PRIV_CRED_SETEUID       51      /* seteuid to !ruid and !svuid. */
  105 #define PRIV_CRED_SETGID        52      /* setgid. */
  106 #define PRIV_CRED_SETEGID       53      /* setgid to !rgid and !svgid. */
  107 #define PRIV_CRED_SETGROUPS     54      /* Set process additional groups. */
  108 #define PRIV_CRED_SETREUID      55      /* setreuid. */
  109 #define PRIV_CRED_SETREGID      56      /* setregid. */
  110 #define PRIV_CRED_SETRESUID     57      /* setresuid. */
  111 #define PRIV_CRED_SETRESGID     58      /* setresgid. */
  112 #define PRIV_SEEOTHERGIDS       59      /* Exempt bsd.seeothergids. */
  113 #define PRIV_SEEOTHERUIDS       60      /* Exempt bsd.seeotheruids. */
  114 
  115 /*
  116  * Debugging privileges.
  117  */
  118 #define PRIV_DEBUG_DIFFCRED     80      /* Exempt debugging other users. */
  119 #define PRIV_DEBUG_SUGID        81      /* Exempt debugging setuid proc. */
  120 #define PRIV_DEBUG_UNPRIV       82      /* Exempt unprivileged debug limit. */
  121 
  122 /*
  123  * Dtrace privileges.
  124  */
  125 #define PRIV_DTRACE_KERNEL      90      /* Allow use of DTrace on the kernel. */
  126 #define PRIV_DTRACE_PROC        91      /* Allow attaching DTrace to process. */
  127 #define PRIV_DTRACE_USER        92      /* Process may submit DTrace events. */
  128 
  129 /*
  130  * Firmware privilegs.
  131  */
  132 #define PRIV_FIRMWARE_LOAD      100     /* Can load firmware. */
  133 
  134 /*
  135  * Jail privileges.
  136  */
  137 #define PRIV_JAIL_ATTACH        110     /* Attach to a jail. */
  138 #define PRIV_JAIL_CREATE        111     /* Create a jail. */
  139 
  140 /*
  141  * Kernel environment priveleges.
  142  */
  143 #define PRIV_KENV_SET           120     /* Set kernel env. variables. */
  144 #define PRIV_KENV_UNSET         121     /* Unset kernel env. variables. */
  145 
  146 /*
  147  * Loadable kernel module privileges.
  148  */
  149 #define PRIV_KLD_LOAD           130     /* Load a kernel module. */
  150 #define PRIV_KLD_UNLOAD         131     /* Unload a kernel module. */
  151 
  152 /*
  153  * Privileges associated with the MAC Framework and specific MAC policy
  154  * modules.
  155  */
  156 #define PRIV_MAC_PARTITION      140     /* Privilege in mac_partition policy. */
  157 #define PRIV_MAC_PRIVS          141     /* Privilege in the mac_privs policy. */
  158 
  159 /*
  160  * Process-related privileges.
  161  */
  162 #define PRIV_PROC_LIMIT         160     /* Exceed user process limit. */
  163 #define PRIV_PROC_SETLOGIN      161     /* Can call setlogin. */
  164 #define PRIV_PROC_SETRLIMIT     162     /* Can raise resources limits. */
  165 #define PRIV_PROC_TRESPASS      163     /* Can p_trespass. */
  166 
  167 /* System V IPC privileges.
  168  */
  169 #define PRIV_IPC_READ           170     /* Can override IPC read perm. */
  170 #define PRIV_IPC_WRITE          171     /* Can override IPC write perm. */
  171 #define PRIV_IPC_ADMIN          172     /* Can override IPC owner-only perm. */
  172 #define PRIV_IPC_MSGSIZE        173     /* Exempt IPC message queue limit. */
  173 
  174 /*
  175  * POSIX message queue privileges.
  176  */
  177 #define PRIV_MQ_ADMIN           180     /* Can override msgq owner-only perm. */
  178 
  179 /*
  180  * Performance monitoring counter privileges.
  181  */
  182 #define PRIV_PMC_MANAGE         190     /* Can administer PMC. */
  183 #define PRIV_PMC_SYSTEM         191     /* Can allocate a system-wide PMC. */
  184 
  185 /*
  186  * Scheduling privileges.
  187  */
  188 #define PRIV_SCHED_DIFFCRED     200     /* Exempt scheduling other users. */
  189 #define PRIV_SCHED_SETPRIORITY  201     /* Can set lower nice value for proc. */
  190 #define PRIV_SCHED_RTPRIO       202     /* Can set real time scheduling. */
  191 #define PRIV_SCHED_SETPOLICY    203     /* Can set scheduler policy. */
  192 #define PRIV_SCHED_SET          204     /* Can set thread scheduler. */
  193 #define PRIV_SCHED_SETPARAM     205     /* Can set thread scheduler params. */
  194 #define PRIV_SCHED_CPUSET       206     /* Can manipulate cpusets. */
  195 
  196 /*
  197  * POSIX semaphore privileges.
  198  */
  199 #define PRIV_SEM_WRITE          220     /* Can override sem write perm. */
  200 
  201 /*
  202  * Signal privileges.
  203  */
  204 #define PRIV_SIGNAL_DIFFCRED    230     /* Exempt signalling other users. */
  205 #define PRIV_SIGNAL_SUGID       231     /* Non-conserv signal setuid proc. */
  206 
  207 /*
  208  * Sysctl privileges.
  209  */
  210 #define PRIV_SYSCTL_DEBUG       240     /* Can invoke sysctl.debug. */
  211 #define PRIV_SYSCTL_WRITE       241     /* Can write sysctls. */
  212 #define PRIV_SYSCTL_WRITEJAIL   242     /* Can write sysctls, jail permitted. */
  213 
  214 /*
  215  * TTY privileges.
  216  */
  217 #define PRIV_TTY_CONSOLE        250     /* Set console to tty. */
  218 #define PRIV_TTY_DRAINWAIT      251     /* Set tty drain wait time. */
  219 #define PRIV_TTY_DTRWAIT        252     /* Set DTR wait on tty. */
  220 #define PRIV_TTY_EXCLUSIVE      253     /* Override tty exclusive flag. */
  221 #define PRIV_TTY_PRISON         254     /* Can open pts across jails. */
  222 #define PRIV_TTY_STI            255     /* Simulate input on another tty. */
  223 #define PRIV_TTY_SETA           256     /* Set tty termios structure. */
  224 
  225 /*
  226  * UFS-specific privileges.
  227  */
  228 #define PRIV_UFS_EXTATTRCTL     270     /* Can configure EAs on UFS1. */
  229 #define PRIV_UFS_QUOTAOFF       271     /* quotaoff(). */
  230 #define PRIV_UFS_QUOTAON        272     /* quotaon(). */
  231 #define PRIV_UFS_SETUSE         273     /* setuse(). */
  232 
  233 /*
  234  * ZFS-specific privileges.
  235  */
  236 #define PRIV_ZFS_POOL_CONFIG    280     /* Can configure ZFS pools. */
  237 #define PRIV_ZFS_INJECT         281     /* Can inject faults in the ZFS fault
  238                                            injection framework. */
  239 #define PRIV_ZFS_JAIL           282     /* Can attach/detach ZFS file systems
  240                                            to/from jails. */
  241 
  242 /*
  243  * NFS-specific privileges.
  244  */
  245 #define PRIV_NFS_DAEMON         290     /* Can become the NFS daemon. */
  246 #define PRIV_NFS_LOCKD          291     /* Can become NFS lock daemon. */
  247 
  248 /*
  249  * VFS privileges.
  250  */
  251 #define PRIV_VFS_READ           310     /* Override vnode DAC read perm. */
  252 #define PRIV_VFS_WRITE          311     /* Override vnode DAC write perm. */
  253 #define PRIV_VFS_ADMIN          312     /* Override vnode DAC admin perm. */
  254 #define PRIV_VFS_EXEC           313     /* Override vnode DAC exec perm. */
  255 #define PRIV_VFS_LOOKUP         314     /* Override vnode DAC lookup perm. */
  256 #define PRIV_VFS_BLOCKRESERVE   315     /* Can use free block reserve. */
  257 #define PRIV_VFS_CHFLAGS_DEV    316     /* Can chflags() a device node. */
  258 #define PRIV_VFS_CHOWN          317     /* Can set user; group to non-member. */
  259 #define PRIV_VFS_CHROOT         318     /* chroot(). */
  260 #define PRIV_VFS_RETAINSUGID    319     /* Can retain sugid bits on change. */
  261 #define PRIV_VFS_EXCEEDQUOTA    320     /* Exempt from quota restrictions. */
  262 #define PRIV_VFS_EXTATTR_SYSTEM 321     /* Operate on system EA namespace. */
  263 #define PRIV_VFS_FCHROOT        322     /* fchroot(). */
  264 #define PRIV_VFS_FHOPEN         323     /* Can fhopen(). */
  265 #define PRIV_VFS_FHSTAT         324     /* Can fhstat(). */
  266 #define PRIV_VFS_FHSTATFS       325     /* Can fhstatfs(). */
  267 #define PRIV_VFS_GENERATION     326     /* stat() returns generation number. */
  268 #define PRIV_VFS_GETFH          327     /* Can retrieve file handles. */
  269 #define PRIV_VFS_GETQUOTA       328     /* getquota(). */
  270 #define PRIV_VFS_LINK           329     /* security.hardlink_check_uid */
  271 #define PRIV_VFS_MKNOD_BAD      330     /* Can mknod() to mark bad inodes. */
  272 #define PRIV_VFS_MKNOD_DEV      331     /* Can mknod() to create dev nodes. */
  273 #define PRIV_VFS_MKNOD_WHT      332     /* Can mknod() to create whiteout. */
  274 #define PRIV_VFS_MOUNT          333     /* Can mount(). */
  275 #define PRIV_VFS_MOUNT_OWNER    334     /* Can manage other users' file systems. */
  276 #define PRIV_VFS_MOUNT_EXPORTED 335     /* Can set MNT_EXPORTED on mount. */
  277 #define PRIV_VFS_MOUNT_PERM     336     /* Override dev node perms at mount. */
  278 #define PRIV_VFS_MOUNT_SUIDDIR  337     /* Can set MNT_SUIDDIR on mount. */
  279 #define PRIV_VFS_MOUNT_NONUSER  338     /* Can perform a non-user mount. */
  280 #define PRIV_VFS_SETGID         339     /* Can setgid if not in group. */
  281 #define PRIV_VFS_SETQUOTA       340     /* setquota(). */
  282 #define PRIV_VFS_STICKYFILE     341     /* Can set sticky bit on file. */
  283 #define PRIV_VFS_SYSFLAGS       342     /* Can modify system flags. */
  284 #define PRIV_VFS_UNMOUNT        343     /* Can unmount(). */
  285 #define PRIV_VFS_STAT           344     /* Override vnode MAC stat perm. */
  286 
  287 #define PRIV_VFS_MKNOD_DIR      345     /* Can mknod() to create special */
  288                                         /* directories for HAMMER. */
  289 #define PRIV_VFS_CHMOD          346     /* Can chmod() if not owner */
  290 #define PRIV_VFS_REVOKE         347     /* Can revoke() if not owner */
  291 #define PRIV_VFS_SETATTR        348     /* Can xxx_setattr() if not owner */
  292 
  293 /*
  294  * Virtual memory privileges.
  295  */
  296 #define PRIV_VM_MADV_PROTECT    360     /* Can set MADV_PROTECT. */
  297 #define PRIV_VM_MLOCK           361     /* Can mlock(), mlockall(). */
  298 #define PRIV_VM_MUNLOCK         362     /* Can munlock(), munlockall(). */
  299 #define PRIV_VM_RESIDENT        363     /* Can use resident(8) */
  300 
  301 /*
  302  * Device file system privileges.
  303  */
  304 #define PRIV_DEVFS_RULE         370     /* Can manage devfs rules. */
  305 #define PRIV_DEVFS_SYMLINK      371     /* Can create symlinks in devfs. */
  306 
  307 /*
  308  * Random number generator privileges.
  309  */
  310 #define PRIV_RANDOM_RESEED      380     /* Closing /dev/random reseeds. */
  311 
  312 /*
  313  * Network stack privileges.
  314  */
  315 #define PRIV_NET_BRIDGE         390     /* Administer bridge. */
  316 #define PRIV_NET_GRE            391     /* Administer GRE. */
  317 #define PRIV_NET_PPP            392     /* Administer PPP. */
  318 #define PRIV_NET_SLIP           393     /* Administer SLIP. */
  319 #define PRIV_NET_BPF            394     /* Monitor BPF. */
  320 #define PRIV_NET_RAW            395     /* Open raw socket. */
  321 #define PRIV_NET_ROUTE          396     /* Administer routing. */
  322 #define PRIV_NET_TAP            397     /* Can open tap device. */
  323 #define PRIV_NET_SETIFMTU       398     /* Set interface MTU. */
  324 #define PRIV_NET_SETIFFLAGS     399     /* Set interface flags. */
  325 #define PRIV_NET_SETIFCAP       400     /* Set interface capabilities. */
  326 #define PRIV_NET_SETIFNAME      401     /* Set interface name. */
  327 #define PRIV_NET_SETIFMETRIC    402     /* Set interface metrics. */
  328 #define PRIV_NET_SETIFPHYS      403     /* Set interface physical layer prop. */
  329 #define PRIV_NET_SETIFMAC       404     /* Set interface MAC label. */
  330 #define PRIV_NET_ADDMULTI       405     /* Add multicast addr. to ifnet. */
  331 #define PRIV_NET_DELMULTI       406     /* Delete multicast addr. from ifnet. */
  332 #define PRIV_NET_HWIOCTL        407     /* Issue hardware ioctl on ifnet. */
  333 #define PRIV_NET_SETLLADDR      408     /* Set interface link-level address. */
  334 #define PRIV_NET_ADDIFGROUP     409     /* Add new interface group. */
  335 #define PRIV_NET_DELIFGROUP     410     /* Delete interface group. */
  336 #define PRIV_NET_IFCREATE       411     /* Create cloned interface. */
  337 #define PRIV_NET_IFDESTROY      412     /* Destroy cloned interface. */
  338 #define PRIV_NET_ADDIFADDR      413     /* Add protocol addr to interface. */
  339 #define PRIV_NET_DELIFADDR      414     /* Delete protocol addr on interface. */
  340 #define PRIV_NET_LAGG           415     /* Administer lagg interface. */
  341 
  342 /*
  343  * 802.11-related privileges.
  344  */
  345 #define PRIV_NET80211_GETKEY    440     /* Query 802.11 keys. */
  346 #define PRIV_NET80211_MANAGE    441     /* Administer 802.11. */
  347 
  348 /*
  349  * ATM privileges.
  350  */
  351 #define PRIV_NETATM_CFG         460
  352 #define PRIV_NETATM_ADD         461
  353 #define PRIV_NETATM_DEL         462
  354 #define PRIV_NETATM_SET         463
  355 
  356 /*
  357  * Bluetooth privileges.
  358  */
  359 #define PRIV_NETBLUETOOTH_RAW   470     /* Open raw bluetooth socket. */
  360 
  361 /*
  362  * Netgraph and netgraph module privileges.
  363  */
  364 #define PRIV_NETGRAPH_CONTROL   480     /* Open netgraph control socket. */
  365 #define PRIV_NETGRAPH_TTY       481     /* Configure tty for netgraph. */
  366 
  367 /*
  368  * IPv4 and IPv6 privileges.
  369  */
  370 #define PRIV_NETINET_RESERVEDPORT       490     /* Bind low port number. */
  371 #define PRIV_NETINET_IPFW       491     /* Administer IPFW firewall. */
  372 #define PRIV_NETINET_DIVERT     492     /* Open IP divert socket. */
  373 #define PRIV_NETINET_PF         493     /* Administer pf firewall. */
  374 #define PRIV_NETINET_DUMMYNET   494     /* Administer DUMMYNET. */
  375 #define PRIV_NETINET_CARP       495     /* Administer CARP. */
  376 #define PRIV_NETINET_MROUTE     496     /* Administer multicast routing. */
  377 #define PRIV_NETINET_RAW        497     /* Open netinet raw socket. */
  378 #define PRIV_NETINET_GETCRED    498     /* Query netinet pcb credentials. */
  379 #define PRIV_NETINET_ADDRCTRL6  499     /* Administer IPv6 address scopes. */
  380 #define PRIV_NETINET_ND6        500     /* Administer IPv6 neighbor disc. */
  381 #define PRIV_NETINET_SCOPE6     501     /* Administer IPv6 address scopes. */
  382 #define PRIV_NETINET_ALIFETIME6 502     /* Administer IPv6 address lifetimes. */
  383 #define PRIV_NETINET_IPSEC      503     /* Administer IPSEC. */
  384 #define PRIV_NETINET_REUSEPORT  504     /* Allow [rapid] port/address reuse. */
  385 #define PRIV_NETINET_SETHDROPTS 505     /* Set certain IPv4/6 header options. */
  386 
  387 /*
  388  * IPX/SPX privileges.
  389  */
  390 #define PRIV_NETIPX_RESERVEDPORT        520     /* Bind low port number. */
  391 #define PRIV_NETIPX_RAW         521     /* Open netipx raw socket. */
  392 
  393 /*
  394  * NCP privileges.
  395  */
  396 #define PRIV_NETNCP             530     /* Use another user's connection. */
  397 
  398 /*
  399  * SMB privileges.
  400  */
  401 #define PRIV_NETSMB             540     /* Use another user's connection. */
  402 
  403 /*
  404  * VM86 privileges.
  405  */
  406 #define PRIV_VM86_INTCALL       550     /* Allow invoking vm86 int handlers. */
  407 
  408 /*
  409  * Set of reserved privilege values, which will be allocated to code as
  410  * needed, in order to avoid renumbering later privileges due to insertion.
  411  */
  412 #define _PRIV_RESERVED0         560
  413 #define _PRIV_RESERVED1         561
  414 #define _PRIV_RESERVED2         562
  415 #define _PRIV_RESERVED3         563
  416 #define _PRIV_RESERVED4         564
  417 #define _PRIV_RESERVED5         565
  418 #define _PRIV_RESERVED6         566
  419 #define _PRIV_RESERVED7         567
  420 #define _PRIV_RESERVED8         568
  421 #define _PRIV_RESERVED9         569
  422 #define _PRIV_RESERVED10        570
  423 #define _PRIV_RESERVED11        571
  424 #define _PRIV_RESERVED12        572
  425 #define _PRIV_RESERVED13        573
  426 #define _PRIV_RESERVED14        574
  427 #define _PRIV_RESERVED15        575
  428 
  429 /*
  430  * Define a set of valid privilege numbers that can be used by loadable
  431  * modules that don't yet have privilege reservations.  Ideally, these should
  432  * not be used, since their meaning is opaque to any policies that are aware
  433  * of specific privileges, such as jail, and as such may be arbitrarily
  434  * denied.
  435  */
  436 #define PRIV_MODULE0            600
  437 #define PRIV_MODULE1            601
  438 #define PRIV_MODULE2            602
  439 #define PRIV_MODULE3            603
  440 #define PRIV_MODULE4            604
  441 #define PRIV_MODULE5            605
  442 #define PRIV_MODULE6            606
  443 #define PRIV_MODULE7            607
  444 #define PRIV_MODULE8            608
  445 #define PRIV_MODULE9            609
  446 #define PRIV_MODULE10           610
  447 #define PRIV_MODULE11           611
  448 #define PRIV_MODULE12           612
  449 #define PRIV_MODULE13           613
  450 #define PRIV_MODULE14           614
  451 #define PRIV_MODULE15           615
  452 
  453 /*
  454  * DDB(4) privileges.
  455  */
  456 #define PRIV_DDB_CAPTURE        620     /* Allow reading of DDB capture log. */
  457 
  458 /*
  459  * Arla/nnpfs privileges.
  460  */
  461 #define PRIV_NNPFS_DEBUG        630     /* Perforn ARLA_VIOC_NNPFSDEBUG. */
  462 
  463 /*
  464  * cpuctl(4) privileges.
  465  */
  466 #define PRIV_CPUCTL_WRMSR       640     /* Write model-specific register. */
  467 #define PRIV_CPUCTL_UPDATE      641     /* Update cpu microcode. */
  468 
  469 /*
  470  * Hammer privileges.
  471  */
  472 #define PRIV_HAMMER_IOCTL       650     /* can hammer_ioctl(). */
  473 #define PRIV_HAMMER_VOLUME      651     /* HAMMER volume management */
  474 
  475 /*
  476  * Track end of privilege list.
  477  */
  478 #define _PRIV_HIGHEST           652
  479 
  480 /*
  481  * Validate that a named privilege is known by the privilege system.  Invalid
  482  * privileges presented to the privilege system by a priv_check interface
  483  * will result in a panic.  This is only approximate due to sparse allocation
  484  * of the privilege space.
  485  */
  486 #define PRIV_VALID(x)   ((x) > _PRIV_LOWEST && (x) < _PRIV_HIGHEST)
  487 
  488 #ifdef _KERNEL
  489 /*
  490  * Privilege check interfaces, modeled after historic suser() interfacs, but
  491  * with the addition of a specific privilege name.  Historically, flags
  492  * specified using the real uid instead of the effective uid, and whether or
  493  * not the check should be allowed in jail.
  494  */
  495 struct thread;
  496 struct ucred;
  497 int     priv_check(struct thread *td, int priv);
  498 int     priv_check_cred(struct ucred *cred, int priv, int flags);
  499 #endif
  500 
  501 #endif /* !_SYS_PRIV_H_ */

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