[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / capability.h

/*
 * This is <linux/capability.h>
 *
 * Andrew G. Morgan <morgan@kernel.org>
 * Alexander Kjeldaas <astor@guardian.no>
 * with help from Aleph1, Roland Buresund and Andrew Main.
 *
 * See here for the libcap library ("POSIX draft" compliance):
 *
 * ftp://linux.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
 */

#ifndef _LINUX_CAPABILITY_H
#define _LINUX_CAPABILITY_H

#include <linux/types.h>
#include <linux/compiler.h>

struct task_struct;

/* User-level do most of the mapping between kernel and user
   capabilities based on the version tag given by the kernel. The
   kernel might be somewhat backwards compatible, but don't bet on
   it. */

/* XXX - Note, cap_t, is defined by POSIX to be an "opaque" pointer to
   a set of three capability sets.  The transposition of 3*the
   following structure to such a composite is better handled in a user
   library since the draft standard requires the use of malloc/free
   etc.. */

#define _LINUX_CAPABILITY_VERSION  0x19980330

typedef struct __user_cap_header_struct {
	__u32 version;
	int pid;
} __user *cap_user_header_t;

typedef struct __user_cap_data_struct {
        __u32 effective;
        __u32 permitted;
        __u32 inheritable;
} __user *cap_user_data_t;

#define XATTR_CAPS_SUFFIX "capability"
#define XATTR_NAME_CAPS XATTR_SECURITY_PREFIX XATTR_CAPS_SUFFIX

#define XATTR_CAPS_SZ (3*sizeof(__le32))
#define VFS_CAP_REVISION_MASK	0xFF000000
#define VFS_CAP_REVISION_1	0x01000000

#define VFS_CAP_REVISION	VFS_CAP_REVISION_1

#define VFS_CAP_FLAGS_MASK	~VFS_CAP_REVISION_MASK
#define VFS_CAP_FLAGS_EFFECTIVE	0x000001

struct vfs_cap_data {
	__u32 magic_etc;  /* Little endian */
	struct {
		__u32 permitted;    /* Little endian */
		__u32 inheritable;  /* Little endian */
	} data[1];
};

#ifdef __KERNEL__

/* #define STRICT_CAP_T_TYPECHECKS */

#ifdef STRICT_CAP_T_TYPECHECKS

typedef struct kernel_cap_struct {
	__u32 cap;
} kernel_cap_t;

#else

typedef __u32 kernel_cap_t;

#endif

#define _USER_CAP_HEADER_SIZE  (2*sizeof(__u32))
#define _KERNEL_CAP_T_SIZE     (sizeof(kernel_cap_t))

#endif


/**
 ** POSIX-draft defined capabilities.
 **/

/* In a system with the [_POSIX_CHOWN_RESTRICTED] option defined, this
   overrides the restriction of changing file ownership and group
   ownership. */

#define CAP_CHOWN            0

/* Override all DAC access, including ACL execute access if
   [_POSIX_ACL] is defined. Excluding DAC access covered by
   CAP_LINUX_IMMUTABLE. */

#define CAP_DAC_OVERRIDE     1

/* Overrides all DAC restrictions regarding read and search on files
   and directories, including ACL restrictions if [_POSIX_ACL] is
   defined. Excluding DAC access covered by CAP_LINUX_IMMUTABLE. */

#define CAP_DAC_READ_SEARCH  2

/* Overrides all restrictions about allowed operations on files, where
   file owner ID must be equal to the user ID, except where CAP_FSETID
   is applicable. It doesn't override MAC and DAC restrictions. */

#define CAP_FOWNER           3

/* Overrides the following restrictions that the effective user ID
   shall match the file owner ID when setting the S_ISUID and S_ISGID
   bits on that file; that the effective group ID (or one of the
   supplementary group IDs) shall match the file owner ID when setting
   the S_ISGID bit on that file; that the S_ISUID and S_ISGID bits are
   cleared on successful return from chown(2) (not implemented). */

#define CAP_FSETID           4

/* Used to decide between falling back on the old suser() or fsuser(). */

#define CAP_FS_MASK          0x1f

/* Overrides the restriction that the real or effective user ID of a
   process sending a signal must match the real or effective user ID
   of the process receiving the signal. */

#define CAP_KILL             5

/* Allows setgid(2) manipulation */
/* Allows setgroups(2) */
/* Allows forged gids on socket credentials passing. */

#define CAP_SETGID           6

/* Allows set*uid(2) manipulation (including fsuid). */
/* Allows forged pids on socket credentials passing. */

#define CAP_SETUID           7


/**
 ** Linux-specific capabilities
 **/

/* Transfer any capability in your permitted set to any pid,
   remove any capability in your permitted set from any pid */

#define CAP_SETPCAP          8

/* Allow modification of S_IMMUTABLE and S_APPEND file attributes */

#define CAP_LINUX_IMMUTABLE  9

/* Allows binding to TCP/UDP sockets below 1024 */
/* Allows binding to ATM VCIs below 32 */

#define CAP_NET_BIND_SERVICE 10

/* Allow broadcasting, listen to multicast */

#define CAP_NET_BROADCAST    11

/* Allow interface configuration */
/* Allow administration of IP firewall, masquerading and accounting */
/* Allow setting debug option on sockets */
/* Allow modification of routing tables */
/* Allow setting arbitrary process / process group ownership on
   sockets */
/* Allow binding to any address for transparent proxying */
/* Allow setting TOS (type of service) */
/* Allow setting promiscuous mode */
/* Allow clearing driver statistics */
/* Allow multicasting */
/* Allow read/write of device-specific registers */
/* Allow activation of ATM control sockets */

#define CAP_NET_ADMIN        12

/* Allow use of RAW sockets */
/* Allow use of PACKET sockets */

#define CAP_NET_RAW          13

/* Allow locking of shared memory segments */
/* Allow mlock and mlockall (which doesn't really have anything to do
   with IPC) */

#define CAP_IPC_LOCK         14

/* Override IPC ownership checks */

#define CAP_IPC_OWNER        15

/* Insert and remove kernel modules - modify kernel without limit */
/* Modify cap_bset */
#define CAP_SYS_MODULE       16

/* Allow ioperm/iopl access */
/* Allow sending USB messages to any device via /proc/bus/usb */

#define CAP_SYS_RAWIO        17

/* Allow use of chroot() */

#define CAP_SYS_CHROOT       18

/* Allow ptrace() of any process */

#define CAP_SYS_PTRACE       19

/* Allow configuration of process accounting */

#define CAP_SYS_PACCT        20

/* Allow configuration of the secure attention key */
/* Allow administration of the random device */
/* Allow examination and configuration of disk quotas */
/* Allow configuring the kernel's syslog (printk behaviour) */
/* Allow setting the domainname */
/* Allow setting the hostname */
/* Allow calling bdflush() */
/* Allow mount() and umount(), setting up new smb connection */
/* Allow some autofs root ioctls */
/* Allow nfsservctl */
/* Allow VM86_REQUEST_IRQ */
/* Allow to read/write pci config on alpha */
/* Allow irix_prctl on mips (setstacksize) */
/* Allow flushing all cache on m68k (sys_cacheflush) */
/* Allow removing semaphores */
/* Used instead of CAP_CHOWN to "chown" IPC message queues, semaphores
   and shared memory */
/* Allow locking/unlocking of shared memory segment */
/* Allow turning swap on/off */
/* Allow forged pids on socket credentials passing */
/* Allow setting readahead and flushing buffers on block devices */
/* Allow setting geometry in floppy driver */
/* Allow turning DMA on/off in xd driver */
/* Allow administration of md devices (mostly the above, but some
   extra ioctls) */
/* Allow tuning the ide driver */
/* Allow access to the nvram device */
/* Allow administration of apm_bios, serial and bttv (TV) device */
/* Allow manufacturer commands in isdn CAPI support driver */
/* Allow reading non-standardized portions of pci configuration space */
/* Allow DDI debug ioctl on sbpcd driver */
/* Allow setting up serial ports */
/* Allow sending raw qic-117 commands */
/* Allow enabling/disabling tagged queuing on SCSI controllers and sending
   arbitrary SCSI commands */
/* Allow setting encryption key on loopback filesystem */
/* Allow setting zone reclaim policy */

#define CAP_SYS_ADMIN        21

/* Allow use of reboot() */

#define CAP_SYS_BOOT         22

/* Allow raising priority and setting priority on other (different
   UID) processes */
/* Allow use of FIFO and round-robin (realtime) scheduling on own
   processes and setting the scheduling algorithm used by another
   process. */
/* Allow setting cpu affinity on other processes */

#define CAP_SYS_NICE         23

/* Override resource limits. Set resource limits. */
/* Override quota limits. */
/* Override reserved space on ext2 filesystem */
/* Modify data journaling mode on ext3 filesystem (uses journaling
   resources) */
/* NOTE: ext2 honors fsuid when checking for resource overrides, so
   you can override using fsuid too */
/* Override size restrictions on IPC message queues */
/* Allow more than 64hz interrupts from the real-time clock */
/* Override max number of consoles on console allocation */
/* Override max number of keymaps */

#define CAP_SYS_RESOURCE     24

/* Allow manipulation of system clock */
/* Allow irix_stime on mips */
/* Allow setting the real-time clock */

#define CAP_SYS_TIME         25

/* Allow configuration of tty devices */
/* Allow vhangup() of tty */

#define CAP_SYS_TTY_CONFIG   26

/* Allow the privileged aspects of mknod() */

#define CAP_MKNOD            27

/* Allow taking of leases on files */

#define CAP_LEASE            28

#define CAP_AUDIT_WRITE      29

#define CAP_AUDIT_CONTROL    30

#define CAP_SETFCAP	     31

#ifdef __KERNEL__
/*
 * Bounding set
 */
extern kernel_cap_t cap_bset;

/*
 * Internal kernel functions only
 */

#ifdef STRICT_CAP_T_TYPECHECKS

#define to_cap_t(x) { x }
#define cap_t(x) (x).cap

#else

#define to_cap_t(x) (x)
#define cap_t(x) (x)

#endif

#define CAP_EMPTY_SET       to_cap_t(0)
#define CAP_FULL_SET        to_cap_t(~0)
#define CAP_INIT_EFF_SET    to_cap_t(~0 & ~CAP_TO_MASK(CAP_SETPCAP))
#define CAP_INIT_INH_SET    to_cap_t(0)

#define CAP_TO_MASK(x) (1 << (x))
#define cap_raise(c, flag)   (cap_t(c) |=  CAP_TO_MASK(flag))
#define cap_lower(c, flag)   (cap_t(c) &= ~CAP_TO_MASK(flag))
#define cap_raised(c, flag)  (cap_t(c) & CAP_TO_MASK(flag))

static inline kernel_cap_t cap_combine(kernel_cap_t a, kernel_cap_t b)
{
     kernel_cap_t dest;
     cap_t(dest) = cap_t(a) | cap_t(b);
     return dest;
}

static inline kernel_cap_t cap_intersect(kernel_cap_t a, kernel_cap_t b)
{
     kernel_cap_t dest;
     cap_t(dest) = cap_t(a) & cap_t(b);
     return dest;
}

static inline kernel_cap_t cap_drop(kernel_cap_t a, kernel_cap_t drop)
{
     kernel_cap_t dest;
     cap_t(dest) = cap_t(a) & ~cap_t(drop);
     return dest;
}

static inline kernel_cap_t cap_invert(kernel_cap_t c)
{
     kernel_cap_t dest;
     cap_t(dest) = ~cap_t(c);
     return dest;
}

#define cap_isclear(c)       (!cap_t(c))
#define cap_issubset(a,set)  (!(cap_t(a) & ~cap_t(set)))

#define cap_clear(c)         do { cap_t(c) =  0; } while(0)
#define cap_set_full(c)      do { cap_t(c) = ~0; } while(0)
#define cap_mask(c,mask)     do { cap_t(c) &= cap_t(mask); } while(0)

#define cap_is_fs_cap(c)     (CAP_TO_MASK(c) & CAP_FS_MASK)

int capable(int cap);
int __capable(struct task_struct *t, int cap);

#endif /* __KERNEL__ */

#endif /* !_LINUX_CAPABILITY_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This is <linux/capability.h>
	3	*
b5376771	4	* Andrew G. Morgan <morgan@kernel.org>
1da177e4 LT	5	* Alexander Kjeldaas <astor@guardian.no>
	6	* with help from Aleph1, Roland Buresund and Andrew Main.
	7	*
	8	* See here for the libcap library ("POSIX draft" compliance):
	9	*
b5376771 SH	10	* ftp://linux.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
b5376771 SH	11	*/
1da177e4 LT	12
	13	#ifndef _LINUX_CAPABILITY_H
	14	#define _LINUX_CAPABILITY_H
	15
	16	#include <linux/types.h>
	17	#include <linux/compiler.h>
	18
b7add02d AM	19	struct task_struct;
b7add02d AM	20
1da177e4 LT	21	/* User-level do most of the mapping between kernel and user
	22	capabilities based on the version tag given by the kernel. The
	23	kernel might be somewhat backwards compatible, but don't bet on
	24	it. */
	25
	26	/* XXX - Note, cap_t, is defined by POSIX to be an "opaque" pointer to
	27	a set of three capability sets. The transposition of 3*the
	28	following structure to such a composite is better handled in a user
	29	library since the draft standard requires the use of malloc/free
	30	etc.. */
b5376771	31
1da177e4 LT	32	#define _LINUX_CAPABILITY_VERSION 0x19980330
	33
	34	typedef struct __user_cap_header_struct {
	35	__u32 version;
	36	int pid;
	37	} __user *cap_user_header_t;
b5376771	38
1da177e4 LT	39	typedef struct __user_cap_data_struct {
	40	__u32 effective;
	41	__u32 permitted;
	42	__u32 inheritable;
	43	} __user *cap_user_data_t;
1da177e4	44
b5376771 SH	45	#define XATTR_CAPS_SUFFIX "capability"
	46	#define XATTR_NAME_CAPS XATTR_SECURITY_PREFIX XATTR_CAPS_SUFFIX
	47
	48	#define XATTR_CAPS_SZ (3*sizeof(__le32))
	49	#define VFS_CAP_REVISION_MASK 0xFF000000
	50	#define VFS_CAP_REVISION_1 0x01000000
	51
	52	#define VFS_CAP_REVISION VFS_CAP_REVISION_1
	53
	54	#define VFS_CAP_FLAGS_MASK ~VFS_CAP_REVISION_MASK
	55	#define VFS_CAP_FLAGS_EFFECTIVE 0x000001
	56
	57	struct vfs_cap_data {
	58	__u32 magic_etc; /* Little endian */
	59	struct {
	60	__u32 permitted; /* Little endian */
	61	__u32 inheritable; /* Little endian */
	62	} data[1];
	63	};
	64
	65	#ifdef __KERNEL__
1da177e4 LT	66
	67	/* #define STRICT_CAP_T_TYPECHECKS */
	68
	69	#ifdef STRICT_CAP_T_TYPECHECKS
	70
	71	typedef struct kernel_cap_struct {
	72	__u32 cap;
	73	} kernel_cap_t;
	74
	75	#else
	76
	77	typedef __u32 kernel_cap_t;
	78
	79	#endif
b5376771	80
1da177e4 LT	81	#define _USER_CAP_HEADER_SIZE (2*sizeof(__u32))
	82	#define _KERNEL_CAP_T_SIZE (sizeof(kernel_cap_t))
	83
	84	#endif
	85
	86
	87	/**
b5376771	88	** POSIX-draft defined capabilities.
1da177e4 LT	89	**/
	90
	91	/* In a system with the [_POSIX_CHOWN_RESTRICTED] option defined, this
	92	overrides the restriction of changing file ownership and group
	93	ownership. */
	94
	95	#define CAP_CHOWN 0
	96
	97	/* Override all DAC access, including ACL execute access if
	98	[_POSIX_ACL] is defined. Excluding DAC access covered by
	99	CAP_LINUX_IMMUTABLE. */
	100
	101	#define CAP_DAC_OVERRIDE 1
	102
	103	/* Overrides all DAC restrictions regarding read and search on files
	104	and directories, including ACL restrictions if [_POSIX_ACL] is
	105	defined. Excluding DAC access covered by CAP_LINUX_IMMUTABLE. */
	106
	107	#define CAP_DAC_READ_SEARCH 2
b5376771	108
1da177e4 LT	109	/* Overrides all restrictions about allowed operations on files, where
	110	file owner ID must be equal to the user ID, except where CAP_FSETID
	111	is applicable. It doesn't override MAC and DAC restrictions. */
	112
	113	#define CAP_FOWNER 3
	114
	115	/* Overrides the following restrictions that the effective user ID
	116	shall match the file owner ID when setting the S_ISUID and S_ISGID
	117	bits on that file; that the effective group ID (or one of the
	118	supplementary group IDs) shall match the file owner ID when setting
	119	the S_ISGID bit on that file; that the S_ISUID and S_ISGID bits are
	120	cleared on successful return from chown(2) (not implemented). */
	121
	122	#define CAP_FSETID 4
	123
	124	/* Used to decide between falling back on the old suser() or fsuser(). */
	125
	126	#define CAP_FS_MASK 0x1f
	127
	128	/* Overrides the restriction that the real or effective user ID of a
	129	process sending a signal must match the real or effective user ID
	130	of the process receiving the signal. */
	131
	132	#define CAP_KILL 5
	133
	134	/* Allows setgid(2) manipulation */
	135	/* Allows setgroups(2) */
	136	/* Allows forged gids on socket credentials passing. */
	137
	138	#define CAP_SETGID 6
	139
	140	/* Allows setuid(2) manipulation (including fsuid). /
	141	/* Allows forged pids on socket credentials passing. */
	142
	143	#define CAP_SETUID 7
	144
	145
	146	/**
	147	** Linux-specific capabilities
	148	**/
	149
	150	/* Transfer any capability in your permitted set to any pid,
	151	remove any capability in your permitted set from any pid */
	152
	153	#define CAP_SETPCAP 8
	154
	155	/* Allow modification of S_IMMUTABLE and S_APPEND file attributes */
	156
	157	#define CAP_LINUX_IMMUTABLE 9
	158
	159	/* Allows binding to TCP/UDP sockets below 1024 */
	160	/* Allows binding to ATM VCIs below 32 */
	161
	162	#define CAP_NET_BIND_SERVICE 10
	163
	164	/* Allow broadcasting, listen to multicast */
	165
	166	#define CAP_NET_BROADCAST 11
	167
	168	/* Allow interface configuration */
	169	/* Allow administration of IP firewall, masquerading and accounting */
	170	/* Allow setting debug option on sockets */
	171	/* Allow modification of routing tables */
	172	/* Allow setting arbitrary process / process group ownership on
173	sockets */
174	/* Allow binding to any address for transparent proxying */
175	/* Allow setting TOS (type of service) */
176	/* Allow setting promiscuous mode */
177	/* Allow clearing driver statistics */
178	/* Allow multicasting */
179	/* Allow read/write of device-specific registers */
180	/* Allow activation of ATM control sockets */
181
182	#define CAP_NET_ADMIN 12
183
184	/* Allow use of RAW sockets */
185	/* Allow use of PACKET sockets */
186
187	#define CAP_NET_RAW 13
188
189	/* Allow locking of shared memory segments */
190	/* Allow mlock and mlockall (which doesn't really have anything to do
191	with IPC) */
192
193	#define CAP_IPC_LOCK 14
194
195	/* Override IPC ownership checks */
196
197	#define CAP_IPC_OWNER 15
198
199	/* Insert and remove kernel modules - modify kernel without limit */
200	/* Modify cap_bset */
201	#define CAP_SYS_MODULE 16
202
203	/* Allow ioperm/iopl access */
204	/* Allow sending USB messages to any device via /proc/bus/usb */
205
206	#define CAP_SYS_RAWIO 17
207
208	/* Allow use of chroot() */
209
210	#define CAP_SYS_CHROOT 18
211
212	/* Allow ptrace() of any process */
213
214	#define CAP_SYS_PTRACE 19
215
216	/* Allow configuration of process accounting */
217
218	#define CAP_SYS_PACCT 20
219
220	/* Allow configuration of the secure attention key */
221	/* Allow administration of the random device */
222	/* Allow examination and configuration of disk quotas */
223	/* Allow configuring the kernel's syslog (printk behaviour) */
224	/* Allow setting the domainname */
225	/* Allow setting the hostname */
226	/* Allow calling bdflush() */
227	/* Allow mount() and umount(), setting up new smb connection */
228	/* Allow some autofs root ioctls */
229	/* Allow nfsservctl */
230	/* Allow VM86_REQUEST_IRQ */
231	/* Allow to read/write pci config on alpha */
232	/* Allow irix_prctl on mips (setstacksize) */
233	/* Allow flushing all cache on m68k (sys_cacheflush) */
234	/* Allow removing semaphores */
235	/* Used instead of CAP_CHOWN to "chown" IPC message queues, semaphores
236	and shared memory */
237	/* Allow locking/unlocking of shared memory segment */
238	/* Allow turning swap on/off */
239	/* Allow forged pids on socket credentials passing */
240	/* Allow setting readahead and flushing buffers on block devices */
241	/* Allow setting geometry in floppy driver */
242	/* Allow turning DMA on/off in xd driver */
243	/* Allow administration of md devices (mostly the above, but some
244	extra ioctls) */
245	/* Allow tuning the ide driver */
246	/* Allow access to the nvram device */
247	/* Allow administration of apm_bios, serial and bttv (TV) device */
248	/* Allow manufacturer commands in isdn CAPI support driver */
249	/* Allow reading non-standardized portions of pci configuration space */
250	/* Allow DDI debug ioctl on sbpcd driver */
251	/* Allow setting up serial ports */
252	/* Allow sending raw qic-117 commands */
253	/* Allow enabling/disabling tagged queuing on SCSI controllers and sending
254	arbitrary SCSI commands */
255	/* Allow setting encryption key on loopback filesystem */
bce5f6ba	256	/* Allow setting zone reclaim policy */
1da177e4 LT	257
	258	#define CAP_SYS_ADMIN 21
	259
	260	/* Allow use of reboot() */
	261
	262	#define CAP_SYS_BOOT 22
	263
	264	/* Allow raising priority and setting priority on other (different
	265	UID) processes */
	266	/* Allow use of FIFO and round-robin (realtime) scheduling on own
	267	processes and setting the scheduling algorithm used by another
	268	process. */
	269	/* Allow setting cpu affinity on other processes */
	270
	271	#define CAP_SYS_NICE 23
	272
	273	/* Override resource limits. Set resource limits. */
	274	/* Override quota limits. */
	275	/* Override reserved space on ext2 filesystem */
	276	/* Modify data journaling mode on ext3 filesystem (uses journaling
	277	resources) */
b5376771	278	/* NOTE: ext2 honors fsuid when checking for resource overrides, so
1da177e4 LT	279	you can override using fsuid too */
	280	/* Override size restrictions on IPC message queues */
	281	/* Allow more than 64hz interrupts from the real-time clock */
	282	/* Override max number of consoles on console allocation */
	283	/* Override max number of keymaps */
	284
	285	#define CAP_SYS_RESOURCE 24
	286
	287	/* Allow manipulation of system clock */
	288	/* Allow irix_stime on mips */
	289	/* Allow setting the real-time clock */
	290
	291	#define CAP_SYS_TIME 25
	292
	293	/* Allow configuration of tty devices */
	294	/* Allow vhangup() of tty */
	295
	296	#define CAP_SYS_TTY_CONFIG 26
	297
	298	/* Allow the privileged aspects of mknod() */
	299
	300	#define CAP_MKNOD 27
	301
	302	/* Allow taking of leases on files */
	303
	304	#define CAP_LEASE 28
	305
	306	#define CAP_AUDIT_WRITE 29
	307
	308	#define CAP_AUDIT_CONTROL 30
	309
b5376771 SH	310	#define CAP_SETFCAP 31
b5376771 SH	311
1da177e4	312	#ifdef __KERNEL__
b5376771	313	/*
1da177e4 LT	314	* Bounding set
	315	*/
	316	extern kernel_cap_t cap_bset;
	317
	318	/*
	319	* Internal kernel functions only
	320	*/
b5376771	321
1da177e4 LT	322	#ifdef STRICT_CAP_T_TYPECHECKS
	323
	324	#define to_cap_t(x) { x }
	325	#define cap_t(x) (x).cap
	326
	327	#else
	328
	329	#define to_cap_t(x) (x)
	330	#define cap_t(x) (x)
	331
	332	#endif
	333
	334	#define CAP_EMPTY_SET to_cap_t(0)
	335	#define CAP_FULL_SET to_cap_t(~0)
	336	#define CAP_INIT_EFF_SET to_cap_t(~0 & ~CAP_TO_MASK(CAP_SETPCAP))
	337	#define CAP_INIT_INH_SET to_cap_t(0)
	338
	339	#define CAP_TO_MASK(x) (1 << (x))
	340	#define cap_raise(c, flag) (cap_t(c) \|= CAP_TO_MASK(flag))
	341	#define cap_lower(c, flag) (cap_t(c) &= ~CAP_TO_MASK(flag))
	342	#define cap_raised(c, flag) (cap_t(c) & CAP_TO_MASK(flag))
	343
	344	static inline kernel_cap_t cap_combine(kernel_cap_t a, kernel_cap_t b)
	345	{
	346	kernel_cap_t dest;
	347	cap_t(dest) = cap_t(a) \| cap_t(b);
	348	return dest;
	349	}
	350
	351	static inline kernel_cap_t cap_intersect(kernel_cap_t a, kernel_cap_t b)
	352	{
	353	kernel_cap_t dest;
	354	cap_t(dest) = cap_t(a) & cap_t(b);
	355	return dest;
	356	}
	357
	358	static inline kernel_cap_t cap_drop(kernel_cap_t a, kernel_cap_t drop)
	359	{
	360	kernel_cap_t dest;
	361	cap_t(dest) = cap_t(a) & ~cap_t(drop);
	362	return dest;
	363	}
	364
	365	static inline kernel_cap_t cap_invert(kernel_cap_t c)
	366	{
	367	kernel_cap_t dest;
	368	cap_t(dest) = ~cap_t(c);
	369	return dest;
	370	}
	371
	372	#define cap_isclear(c) (!cap_t(c))
	373	#define cap_issubset(a,set) (!(cap_t(a) & ~cap_t(set)))
	374
	375	#define cap_clear(c) do { cap_t(c) = 0; } while(0)
	376	#define cap_set_full(c) do { cap_t(c) = ~0; } while(0)
	377	#define cap_mask(c,mask) do { cap_t(c) &= cap_t(mask); } while(0)
	378
	379	#define cap_is_fs_cap(c) (CAP_TO_MASK(c) & CAP_FS_MASK)
	380
12b5989b CW	381	int capable(int cap);
12b5989b CW	382	int __capable(struct task_struct *t, int cap);
c59ede7b	383
1da177e4 LT	384	#endif /* __KERNEL__ */
	385
	386	#endif /* !_LINUX_CAPABILITY_H */