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/*- * 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: release/9.1.0/sys/sys/priv.h 223735 2011-07-03 12:22:02Z bz $ */ /* * 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 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. */ /* * 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 priveleges. */ #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. */ /* * 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 /* Can mknod() to 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. */ /* * 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. */ /* * 802.11-related privileges. */ #define PRIV_NET80211_GETKEY 440 /* Query 802.11 keys. */ #define PRIV_NET80211_MANAGE 441 /* Administer 802.11. */ /* * AppleTalk privileges. */ #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. */ /* * IPX/SPX privileges. */ #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 /* * Track end of privilege list. */ #define _PRIV_HIGHEST 675 /* * 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 flags); #endif #endif /* !_SYS_PRIV_H_ */