1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 nCircle Network Security, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert N. M. Watson for the TrustedBSD 8 * Project under contract to nCircle Network Security, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY, 23 * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 25 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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 49 * for use in jail, and update the privilege switch in prison_priv_check() 50 * in kern_jail.c as necessary. 51 */ 52 53/* 54 * Track beginning of privilege list. 55 */ 56#define _PRIV_LOWEST 1 57 58/* 59 * The remaining privileges typically correspond to one or a small 60 * number of specific privilege checks, and have (relatively) precise 61 * meanings. They are loosely sorted into a set of base system 62 * privileges, such as the ability to reboot, and then loosely by 63 * subsystem, indicated by a subsystem name. 64 */ 65#define _PRIV_ROOT 1 /* Removed. */ 66#define PRIV_ACCT 2 /* Manage process accounting. */ 67#define PRIV_MAXFILES 3 /* Exceed system open files limit. */ 68#define PRIV_MAXPROC 4 /* Exceed system processes limit. */ 69#define PRIV_KTRACE 5 /* Set/clear KTRFAC_ROOT on ktrace. */ 70#define PRIV_SETDUMPER 6 /* Configure dump device. */ 71#define PRIV_REBOOT 8 /* Can reboot system. */ 72#define PRIV_SWAPON 9 /* Can swapon(). */ 73#define PRIV_SWAPOFF 10 /* Can swapoff(). */ 74#define PRIV_MSGBUF 11 /* Can read kernel message buffer. */ 75#define PRIV_IO 12 /* Can perform low-level I/O. */ 76#define PRIV_KEYBOARD 13 /* Reprogram keyboard. */ 77#define PRIV_DRIVER 14 /* Low-level driver privilege. */ 78#define PRIV_ADJTIME 15 /* Set time adjustment. */ 79#define PRIV_NTP_ADJTIME 16 /* Set NTP time adjustment. */ 80#define PRIV_CLOCK_SETTIME 17 /* Can call clock_settime. */ 81#define PRIV_SETTIMEOFDAY 18 /* Can call settimeofday. */ 82#define _PRIV_SETHOSTID 19 /* Removed. */ 83#define _PRIV_SETDOMAINNAME 20 /* Removed. */ 84 85/* 86 * Audit subsystem privileges. 87 */ 88#define PRIV_AUDIT_CONTROL 40 /* Can configure audit. */ 89#define PRIV_AUDIT_FAILSTOP 41 /* Can run during audit fail stop. */ 90#define PRIV_AUDIT_GETAUDIT 42 /* Can get proc audit properties. */ 91#define PRIV_AUDIT_SETAUDIT 43 /* Can set proc audit properties. */ 92#define PRIV_AUDIT_SUBMIT 44 /* Can submit an audit record. */ 93 94/* 95 * Credential management privileges. 96 */ 97#define PRIV_CRED_SETUID 50 /* setuid. */ 98#define PRIV_CRED_SETEUID 51 /* seteuid to !ruid and !svuid. */ 99#define PRIV_CRED_SETGID 52 /* setgid. */ 100#define PRIV_CRED_SETEGID 53 /* setgid to !rgid and !svgid. */ 101#define PRIV_CRED_SETGROUPS 54 /* Set process additional groups. */ 102#define PRIV_CRED_SETREUID 55 /* setreuid. */ 103#define PRIV_CRED_SETREGID 56 /* setregid. */ 104#define PRIV_CRED_SETRESUID 57 /* setresuid. */ 105#define PRIV_CRED_SETRESGID 58 /* setresgid. */ 106#define PRIV_SEEOTHERGIDS 59 /* Exempt bsd.seeothergids. */ 107#define PRIV_SEEOTHERUIDS 60 /* Exempt bsd.seeotheruids. */ 108#define PRIV_SEEJAILPROC 61 /* Exempt from bsd.see_jail_proc. */ 109 110/* 111 * Debugging privileges. 112 */ 113#define PRIV_DEBUG_DIFFCRED 80 /* Exempt debugging other users. */ 114#define PRIV_DEBUG_SUGID 81 /* Exempt debugging setuid proc. */ 115#define PRIV_DEBUG_UNPRIV 82 /* Exempt unprivileged debug limit. */ 116#define PRIV_DEBUG_DENIED 83 /* Exempt P2_NOTRACE. */ 117 118/* 119 * Dtrace privileges. 120 */ 121#define PRIV_DTRACE_KERNEL 90 /* Allow use of DTrace on the kernel. */ 122#define PRIV_DTRACE_PROC 91 /* Allow attaching DTrace to process. */ 123#define PRIV_DTRACE_USER 92 /* Process may submit DTrace events. */ 124 125/* 126 * Firmware privilegs. 127 */ 128#define PRIV_FIRMWARE_LOAD 100 /* Can load firmware. */ 129 130/* 131 * Jail privileges. 132 */ 133#define PRIV_JAIL_ATTACH 110 /* Attach to a jail. */ 134#define PRIV_JAIL_SET 111 /* Set jail parameters. */ 135#define PRIV_JAIL_REMOVE 112 /* Remove a jail. */ 136 137/* 138 * Kernel environment privileges. 139 */ 140#define PRIV_KENV_SET 120 /* Set kernel env. variables. */ 141#define PRIV_KENV_UNSET 121 /* Unset kernel env. variables. */ 142 143/* 144 * Loadable kernel module privileges. 145 */ 146#define PRIV_KLD_LOAD 130 /* Load a kernel module. */ 147#define PRIV_KLD_UNLOAD 131 /* Unload a kernel module. */ 148 149/* 150 * Privileges associated with the MAC Framework and specific MAC policy 151 * modules. 152 */ 153#define PRIV_MAC_PARTITION 140 /* Privilege in mac_partition policy. */ 154#define PRIV_MAC_PRIVS 141 /* Privilege in the mac_privs policy. */ 155 156/* 157 * Process-related privileges. 158 */ 159#define PRIV_PROC_LIMIT 160 /* Exceed user process limit. */ 160#define PRIV_PROC_SETLOGIN 161 /* Can call setlogin. */ 161#define PRIV_PROC_SETRLIMIT 162 /* Can raise resources limits. */ 162#define PRIV_PROC_SETLOGINCLASS 163 /* Can call setloginclass(2). */ 163 164/* 165 * System V IPC privileges. 166 */ 167#define PRIV_IPC_READ 170 /* Can override IPC read perm. */ 168#define PRIV_IPC_WRITE 171 /* Can override IPC write perm. */ 169#define PRIV_IPC_ADMIN 172 /* Can override IPC owner-only perm. */ 170#define PRIV_IPC_MSGSIZE 173 /* Exempt IPC message queue limit. */ 171 172/* 173 * POSIX message queue privileges. 174 */ 175#define PRIV_MQ_ADMIN 180 /* Can override msgq owner-only perm. */ 176 177/* 178 * Performance monitoring counter privileges. 179 */ 180#define PRIV_PMC_MANAGE 190 /* Can administer PMC. */ 181#define PRIV_PMC_SYSTEM 191 /* Can allocate a system-wide PMC. */ 182 183/* 184 * Scheduling privileges. 185 */ 186#define PRIV_SCHED_DIFFCRED 200 /* Exempt scheduling other users. */ 187#define PRIV_SCHED_SETPRIORITY 201 /* Can set lower nice value for proc. */ 188#define PRIV_SCHED_RTPRIO 202 /* Can set real time scheduling. */ 189#define PRIV_SCHED_SETPOLICY 203 /* Can set scheduler policy. */ 190#define PRIV_SCHED_SET 204 /* Can set thread scheduler. */ 191#define PRIV_SCHED_SETPARAM 205 /* Can set thread scheduler params. */ 192#define PRIV_SCHED_CPUSET 206 /* Can manipulate cpusets. */ 193#define PRIV_SCHED_CPUSET_INTR 207 /* Can adjust IRQ to CPU binding. */ 194#define PRIV_SCHED_IDPRIO 208 /* Can set idle time scheduling. */ 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 /* Removed. */ 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 /* bsd.hardlink_check_uid */ 271#define PRIV_VFS_MKNOD_BAD 330 /* Was: mknod() can 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#define PRIV_VFS_READ_DIR 345 /* Can read(2) a dirfd, needs sysctl. */ 287 288/* 289 * Virtual memory privileges. 290 */ 291#define PRIV_VM_MADV_PROTECT 360 /* Can set MADV_PROTECT. */ 292#define PRIV_VM_MLOCK 361 /* Can mlock(), mlockall(). */ 293#define PRIV_VM_MUNLOCK 362 /* Can munlock(), munlockall(). */ 294#define PRIV_VM_SWAP_NOQUOTA 363 /* 295 * Can override the global 296 * swap reservation limits. 297 */ 298#define PRIV_VM_SWAP_NORLIMIT 364 /* 299 * Can override the per-uid 300 * swap reservation limits. 301 */ 302 303/* 304 * Device file system privileges. 305 */ 306#define PRIV_DEVFS_RULE 370 /* Can manage devfs rules. */ 307#define PRIV_DEVFS_SYMLINK 371 /* Can create symlinks in devfs. */ 308 309/* 310 * Random number generator privileges. 311 */ 312#define PRIV_RANDOM_RESEED 380 /* Closing /dev/random reseeds. */ 313 314/* 315 * Network stack privileges. 316 */ 317#define PRIV_NET_BRIDGE 390 /* Administer bridge. */ 318#define PRIV_NET_GRE 391 /* Administer GRE. */ 319#define _PRIV_NET_PPP 392 /* Removed. */ 320#define _PRIV_NET_SLIP 393 /* Removed. */ 321#define PRIV_NET_BPF 394 /* Monitor BPF. */ 322#define PRIV_NET_RAW 395 /* Open raw socket. */ 323#define PRIV_NET_ROUTE 396 /* Administer routing. */ 324#define PRIV_NET_TAP 397 /* Can open tap device. */ 325#define PRIV_NET_SETIFMTU 398 /* Set interface MTU. */ 326#define PRIV_NET_SETIFFLAGS 399 /* Set interface flags. */ 327#define PRIV_NET_SETIFCAP 400 /* Set interface capabilities. */ 328#define PRIV_NET_SETIFNAME 401 /* Set interface name. */ 329#define PRIV_NET_SETIFMETRIC 402 /* Set interface metrics. */ 330#define PRIV_NET_SETIFPHYS 403 /* Set interface physical layer prop. */ 331#define PRIV_NET_SETIFMAC 404 /* Set interface MAC label. */ 332#define PRIV_NET_ADDMULTI 405 /* Add multicast addr. to ifnet. */ 333#define PRIV_NET_DELMULTI 406 /* Delete multicast addr. from ifnet. */ 334#define PRIV_NET_HWIOCTL 407 /* Issue hardware ioctl on ifnet. */ 335#define PRIV_NET_SETLLADDR 408 /* Set interface link-level address. */ 336#define PRIV_NET_ADDIFGROUP 409 /* Add new interface group. */ 337#define PRIV_NET_DELIFGROUP 410 /* Delete interface group. */ 338#define PRIV_NET_IFCREATE 411 /* Create cloned interface. */ 339#define PRIV_NET_IFDESTROY 412 /* Destroy cloned interface. */ 340#define PRIV_NET_ADDIFADDR 413 /* Add protocol addr to interface. */ 341#define PRIV_NET_DELIFADDR 414 /* Delete protocol addr on interface. */ 342#define PRIV_NET_LAGG 415 /* Administer lagg interface. */ 343#define PRIV_NET_GIF 416 /* Administer gif interface. */ 344#define PRIV_NET_SETIFVNET 417 /* Move interface to vnet. */ 345#define PRIV_NET_SETIFDESCR 418 /* Set interface description. */ 346#define PRIV_NET_SETIFFIB 419 /* Set interface fib. */ 347#define PRIV_NET_VXLAN 420 /* Administer vxlan. */ 348#define PRIV_NET_SETLANPCP 421 /* Set LAN priority. */ 349#define PRIV_NET_SETVLANPCP PRIV_NET_SETLANPCP /* Alias Set VLAN priority */ 350#define PRIV_NET_OVPN 422 /* Administer OpenVPN DCO. */ 351#define PRIV_NET_ME 423 /* Administer ME interface. */ 352#define PRIV_NET_WG 424 /* Administer WireGuard interface. */ 353 354/* 355 * 802.11-related privileges. 356 */ 357#define PRIV_NET80211_VAP_GETKEY 440 /* Query VAP 802.11 keys. */ 358#define PRIV_NET80211_VAP_MANAGE 441 /* Administer 802.11 VAP */ 359#define PRIV_NET80211_VAP_SETMAC 442 /* Set VAP MAC address */ 360#define PRIV_NET80211_CREATE_VAP 443 /* Create a new VAP */ 361 362/* 363 * Placeholder for AppleTalk privileges, not supported anymore. 364 */ 365#define _PRIV_NETATALK_RESERVEDPORT 450 /* Bind low port number. */ 366 367/* 368 * ATM privileges. 369 */ 370#define PRIV_NETATM_CFG 460 371#define PRIV_NETATM_ADD 461 372#define PRIV_NETATM_DEL 462 373#define PRIV_NETATM_SET 463 374 375/* 376 * Bluetooth privileges. 377 */ 378#define PRIV_NETBLUETOOTH_RAW 470 /* Open raw bluetooth socket. */ 379 380/* 381 * Netgraph and netgraph module privileges. 382 */ 383#define PRIV_NETGRAPH_CONTROL 480 /* Open netgraph control socket. */ 384#define PRIV_NETGRAPH_TTY 481 /* Configure tty for netgraph. */ 385 386/* 387 * IPv4 and IPv6 privileges. 388 */ 389#define PRIV_NETINET_RESERVEDPORT 490 /* Bind low port number. */ 390#define PRIV_NETINET_IPFW 491 /* Administer IPFW firewall. */ 391#define PRIV_NETINET_DIVERT 492 /* Open IP divert socket. */ 392#define PRIV_NETINET_PF 493 /* Administer pf firewall. */ 393#define PRIV_NETINET_DUMMYNET 494 /* Administer DUMMYNET. */ 394#define PRIV_NETINET_CARP 495 /* Administer CARP. */ 395#define PRIV_NETINET_MROUTE 496 /* Administer multicast routing. */ 396#define PRIV_NETINET_RAW 497 /* Open netinet raw socket. */ 397#define PRIV_NETINET_GETCRED 498 /* Query netinet pcb credentials. */ 398#define PRIV_NETINET_ADDRCTRL6 499 /* Administer IPv6 address scopes. */ 399#define PRIV_NETINET_ND6 500 /* Administer IPv6 neighbor disc. */ 400#define PRIV_NETINET_SCOPE6 501 /* Administer IPv6 address scopes. */ 401#define PRIV_NETINET_ALIFETIME6 502 /* Administer IPv6 address lifetimes. */ 402#define PRIV_NETINET_IPSEC 503 /* Administer IPSEC. */ 403#define PRIV_NETINET_REUSEPORT 504 /* Allow [rapid] port/address reuse. */ 404#define PRIV_NETINET_SETHDROPTS 505 /* Set certain IPv4/6 header options. */ 405#define PRIV_NETINET_BINDANY 506 /* Allow bind to any address. */ 406#define PRIV_NETINET_HASHKEY 507 /* Get and set hash keys for IPv4/6. */ 407 408/* 409 * Placeholders for IPX/SPX privileges, not supported any more. 410 */ 411#define _PRIV_NETIPX_RESERVEDPORT 520 /* Bind low port number. */ 412#define _PRIV_NETIPX_RAW 521 /* Open netipx raw socket. */ 413 414/* 415 * NCP privileges. 416 */ 417#define PRIV_NETNCP 530 /* Use another user's connection. */ 418 419/* 420 * SMB privileges. 421 */ 422#define PRIV_NETSMB 540 /* Use another user's connection. */ 423 424/* 425 * VM86 privileges. 426 */ 427#define PRIV_VM86_INTCALL 550 /* Allow invoking vm86 int handlers. */ 428 429/* 430 * Set of reserved privilege values, which will be allocated to code as 431 * needed, in order to avoid renumbering later privileges due to insertion. 432 */ 433#define _PRIV_RESERVED0 560 434#define _PRIV_RESERVED1 561 435#define _PRIV_RESERVED2 562 436#define _PRIV_RESERVED3 563 437#define _PRIV_RESERVED4 564 438#define _PRIV_RESERVED5 565 439#define _PRIV_RESERVED6 566 440#define _PRIV_RESERVED7 567 441#define _PRIV_RESERVED8 568 442#define _PRIV_RESERVED9 569 443#define _PRIV_RESERVED10 570 444#define _PRIV_RESERVED11 571 445#define _PRIV_RESERVED12 572 446#define _PRIV_RESERVED13 573 447#define _PRIV_RESERVED14 574 448#define _PRIV_RESERVED15 575 449 450/* 451 * Define a set of valid privilege numbers that can be used by loadable 452 * modules that don't yet have privilege reservations. Ideally, these should 453 * not be used, since their meaning is opaque to any policies that are aware 454 * of specific privileges, such as jail, and as such may be arbitrarily 455 * denied. 456 */ 457#define PRIV_MODULE0 600 458#define PRIV_MODULE1 601 459#define PRIV_MODULE2 602 460#define PRIV_MODULE3 603 461#define PRIV_MODULE4 604 462#define PRIV_MODULE5 605 463#define PRIV_MODULE6 606 464#define PRIV_MODULE7 607 465#define PRIV_MODULE8 608 466#define PRIV_MODULE9 609 467#define PRIV_MODULE10 610 468#define PRIV_MODULE11 611 469#define PRIV_MODULE12 612 470#define PRIV_MODULE13 613 471#define PRIV_MODULE14 614 472#define PRIV_MODULE15 615 473 474/* 475 * DDB(4) privileges. 476 */ 477#define PRIV_DDB_CAPTURE 620 /* Allow reading of DDB capture log. */ 478 479/* 480 * Arla/nnpfs privileges. 481 */ 482#define PRIV_NNPFS_DEBUG 630 /* Perforn ARLA_VIOC_NNPFSDEBUG. */ 483 484/* 485 * cpuctl(4) privileges. 486 */ 487#define PRIV_CPUCTL_WRMSR 640 /* Write model-specific register. */ 488#define PRIV_CPUCTL_UPDATE 641 /* Update cpu microcode. */ 489 490/* 491 * Capi4BSD privileges. 492 */ 493#define PRIV_C4B_RESET_CTLR 650 /* Load firmware, reset controller. */ 494#define PRIV_C4B_TRACE 651 /* Unrestricted CAPI message tracing. */ 495 496/* 497 * OpenAFS privileges. 498 */ 499#define PRIV_AFS_ADMIN 660 /* Can change AFS client settings. */ 500#define PRIV_AFS_DAEMON 661 /* Can become the AFS daemon. */ 501 502/* 503 * Resource Limits privileges. 504 */ 505#define PRIV_RCTL_GET_RACCT 670 506#define PRIV_RCTL_GET_RULES 671 507#define PRIV_RCTL_GET_LIMITS 672 508#define PRIV_RCTL_ADD_RULE 673 509#define PRIV_RCTL_REMOVE_RULE 674 510 511/* 512 * mem(4) privileges. 513 */ 514#define PRIV_KMEM_READ 680 /* Open mem/kmem for reading. */ 515#define PRIV_KMEM_WRITE 681 /* Open mem/kmem for writing. */ 516 517/* 518 * Kernel debugger privileges. 519 */ 520#define PRIV_KDB_SET_BACKEND 690 /* Allow setting KDB backend. */ 521 522/* 523 * veriexec override privileges - very rare! 524 */ 525#define PRIV_VERIEXEC_DIRECT 700 /* Can override 'indirect' */ 526#define PRIV_VERIEXEC_NOVERIFY 701 /* Can override O_VERIFY */ 527#define PRIV_VERIEXEC_CONTROL 702 /* Can configure veriexec */ 528 529/* 530 * Track end of privilege list. 531 */ 532#define _PRIV_HIGHEST 703 533 534/* 535 * Validate that a named privilege is known by the privilege system. Invalid 536 * privileges presented to the privilege system by a priv_check interface 537 * will result in a panic. This is only approximate due to sparse allocation 538 * of the privilege space. 539 */ 540#define PRIV_VALID(x) ((x) > _PRIV_LOWEST && (x) < _PRIV_HIGHEST) 541 542#ifdef _KERNEL 543/* 544 * Privilege check interfaces, modeled after historic suser() interfaces, but 545 * with the addition of a specific privilege name. No flags are currently 546 * defined for the API. Historically, flags specified using the real uid 547 * instead of the effective uid, and whether or not the check should be 548 * allowed in jail. 549 */ 550struct thread; 551struct ucred; 552int priv_check(struct thread *td, int priv); 553int priv_check_cred(struct ucred *cred, int priv); 554int priv_check_cred_vfs_lookup(struct ucred *cred); 555int priv_check_cred_vfs_lookup_nomac(struct ucred *cred); 556int priv_check_cred_vfs_generation(struct ucred *cred); 557#endif 558 559#endif /* !_SYS_PRIV_H_ */ 560