mirror of https://github.com/F-Stack/f-stack.git
427 lines
15 KiB
C
427 lines
15 KiB
C
/*-
|
|
* Copyright (c) 2008-2010, 2015 Robert N. M. Watson
|
|
* Copyright (c) 2012 FreeBSD Foundation
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed at the University of Cambridge Computer
|
|
* Laboratory with support from a grant from Google, Inc.
|
|
*
|
|
* Portions of this software were developed by Pawel Jakub Dawidek under
|
|
* sponsorship from the FreeBSD Foundation.
|
|
*
|
|
* 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 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Definitions for FreeBSD capabilities facility.
|
|
*/
|
|
#ifndef _SYS_CAPSICUM_H_
|
|
#define _SYS_CAPSICUM_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <sys/caprights.h>
|
|
#include <sys/file.h>
|
|
#include <sys/fcntl.h>
|
|
|
|
#ifndef _KERNEL
|
|
#include <stdbool.h>
|
|
#endif
|
|
|
|
#define CAPRIGHT(idx, bit) ((1ULL << (57 + (idx))) | (bit))
|
|
|
|
/*
|
|
* Possible rights on capabilities.
|
|
*
|
|
* Notes:
|
|
* Some system calls don't require a capability in order to perform an
|
|
* operation on an fd. These include: close, dup, dup2.
|
|
*
|
|
* sendfile is authorized using CAP_READ on the file and CAP_WRITE on the
|
|
* socket.
|
|
*
|
|
* mmap() and aio*() system calls will need special attention as they may
|
|
* involve reads or writes depending a great deal on context.
|
|
*/
|
|
|
|
/* INDEX 0 */
|
|
|
|
/*
|
|
* General file I/O.
|
|
*/
|
|
/* Allows for openat(O_RDONLY), read(2), readv(2). */
|
|
#define CAP_READ CAPRIGHT(0, 0x0000000000000001ULL)
|
|
/* Allows for openat(O_WRONLY | O_APPEND), write(2), writev(2). */
|
|
#define CAP_WRITE CAPRIGHT(0, 0x0000000000000002ULL)
|
|
/* Allows for lseek(fd, 0, SEEK_CUR). */
|
|
#define CAP_SEEK_TELL CAPRIGHT(0, 0x0000000000000004ULL)
|
|
/* Allows for lseek(2). */
|
|
#define CAP_SEEK (CAP_SEEK_TELL | 0x0000000000000008ULL)
|
|
/* Allows for aio_read(2), pread(2), preadv(2). */
|
|
#define CAP_PREAD (CAP_SEEK | CAP_READ)
|
|
/*
|
|
* Allows for aio_write(2), openat(O_WRONLY) (without O_APPEND), pwrite(2),
|
|
* pwritev(2).
|
|
*/
|
|
#define CAP_PWRITE (CAP_SEEK | CAP_WRITE)
|
|
/* Allows for mmap(PROT_NONE). */
|
|
#define CAP_MMAP CAPRIGHT(0, 0x0000000000000010ULL)
|
|
/* Allows for mmap(PROT_READ). */
|
|
#define CAP_MMAP_R (CAP_MMAP | CAP_SEEK | CAP_READ)
|
|
/* Allows for mmap(PROT_WRITE). */
|
|
#define CAP_MMAP_W (CAP_MMAP | CAP_SEEK | CAP_WRITE)
|
|
/* Allows for mmap(PROT_EXEC). */
|
|
#define CAP_MMAP_X (CAP_MMAP | CAP_SEEK | 0x0000000000000020ULL)
|
|
/* Allows for mmap(PROT_READ | PROT_WRITE). */
|
|
#define CAP_MMAP_RW (CAP_MMAP_R | CAP_MMAP_W)
|
|
/* Allows for mmap(PROT_READ | PROT_EXEC). */
|
|
#define CAP_MMAP_RX (CAP_MMAP_R | CAP_MMAP_X)
|
|
/* Allows for mmap(PROT_WRITE | PROT_EXEC). */
|
|
#define CAP_MMAP_WX (CAP_MMAP_W | CAP_MMAP_X)
|
|
/* Allows for mmap(PROT_READ | PROT_WRITE | PROT_EXEC). */
|
|
#define CAP_MMAP_RWX (CAP_MMAP_R | CAP_MMAP_W | CAP_MMAP_X)
|
|
/* Allows for openat(O_CREAT). */
|
|
#define CAP_CREATE CAPRIGHT(0, 0x0000000000000040ULL)
|
|
/* Allows for openat(O_EXEC) and fexecve(2) in turn. */
|
|
#define CAP_FEXECVE CAPRIGHT(0, 0x0000000000000080ULL)
|
|
/* Allows for openat(O_SYNC), openat(O_FSYNC), fsync(2), aio_fsync(2). */
|
|
#define CAP_FSYNC CAPRIGHT(0, 0x0000000000000100ULL)
|
|
/* Allows for openat(O_TRUNC), ftruncate(2). */
|
|
#define CAP_FTRUNCATE CAPRIGHT(0, 0x0000000000000200ULL)
|
|
|
|
/* Lookups - used to constrain *at() calls. */
|
|
#define CAP_LOOKUP CAPRIGHT(0, 0x0000000000000400ULL)
|
|
|
|
/* VFS methods. */
|
|
/* Allows for fchdir(2). */
|
|
#define CAP_FCHDIR CAPRIGHT(0, 0x0000000000000800ULL)
|
|
/* Allows for fchflags(2). */
|
|
#define CAP_FCHFLAGS CAPRIGHT(0, 0x0000000000001000ULL)
|
|
/* Allows for fchflags(2) and chflagsat(2). */
|
|
#define CAP_CHFLAGSAT (CAP_FCHFLAGS | CAP_LOOKUP)
|
|
/* Allows for fchmod(2). */
|
|
#define CAP_FCHMOD CAPRIGHT(0, 0x0000000000002000ULL)
|
|
/* Allows for fchmod(2) and fchmodat(2). */
|
|
#define CAP_FCHMODAT (CAP_FCHMOD | CAP_LOOKUP)
|
|
/* Allows for fchown(2). */
|
|
#define CAP_FCHOWN CAPRIGHT(0, 0x0000000000004000ULL)
|
|
/* Allows for fchown(2) and fchownat(2). */
|
|
#define CAP_FCHOWNAT (CAP_FCHOWN | CAP_LOOKUP)
|
|
/* Allows for fcntl(2). */
|
|
#define CAP_FCNTL CAPRIGHT(0, 0x0000000000008000ULL)
|
|
/*
|
|
* Allows for flock(2), openat(O_SHLOCK), openat(O_EXLOCK),
|
|
* fcntl(F_SETLK_REMOTE), fcntl(F_SETLKW), fcntl(F_SETLK), fcntl(F_GETLK).
|
|
*/
|
|
#define CAP_FLOCK CAPRIGHT(0, 0x0000000000010000ULL)
|
|
/* Allows for fpathconf(2). */
|
|
#define CAP_FPATHCONF CAPRIGHT(0, 0x0000000000020000ULL)
|
|
/* Allows for UFS background-fsck operations. */
|
|
#define CAP_FSCK CAPRIGHT(0, 0x0000000000040000ULL)
|
|
/* Allows for fstat(2). */
|
|
#define CAP_FSTAT CAPRIGHT(0, 0x0000000000080000ULL)
|
|
/* Allows for fstat(2), fstatat(2) and faccessat(2). */
|
|
#define CAP_FSTATAT (CAP_FSTAT | CAP_LOOKUP)
|
|
/* Allows for fstatfs(2). */
|
|
#define CAP_FSTATFS CAPRIGHT(0, 0x0000000000100000ULL)
|
|
/* Allows for futimens(2) and futimes(2). */
|
|
#define CAP_FUTIMES CAPRIGHT(0, 0x0000000000200000ULL)
|
|
/* Allows for futimens(2), futimes(2), futimesat(2) and utimensat(2). */
|
|
#define CAP_FUTIMESAT (CAP_FUTIMES | CAP_LOOKUP)
|
|
/* Allows for linkat(2) (target directory descriptor). */
|
|
#define CAP_LINKAT_TARGET (CAP_LOOKUP | 0x0000000000400000ULL)
|
|
/* Allows for mkdirat(2). */
|
|
#define CAP_MKDIRAT (CAP_LOOKUP | 0x0000000000800000ULL)
|
|
/* Allows for mkfifoat(2). */
|
|
#define CAP_MKFIFOAT (CAP_LOOKUP | 0x0000000001000000ULL)
|
|
/* Allows for mknodat(2). */
|
|
#define CAP_MKNODAT (CAP_LOOKUP | 0x0000000002000000ULL)
|
|
/* Allows for renameat(2) (source directory descriptor). */
|
|
#define CAP_RENAMEAT_SOURCE (CAP_LOOKUP | 0x0000000004000000ULL)
|
|
/* Allows for symlinkat(2). */
|
|
#define CAP_SYMLINKAT (CAP_LOOKUP | 0x0000000008000000ULL)
|
|
/*
|
|
* Allows for unlinkat(2) and renameat(2) if destination object exists and
|
|
* will be removed.
|
|
*/
|
|
#define CAP_UNLINKAT (CAP_LOOKUP | 0x0000000010000000ULL)
|
|
|
|
/* Socket operations. */
|
|
/* Allows for accept(2) and accept4(2). */
|
|
#define CAP_ACCEPT CAPRIGHT(0, 0x0000000020000000ULL)
|
|
/* Allows for bind(2). */
|
|
#define CAP_BIND CAPRIGHT(0, 0x0000000040000000ULL)
|
|
/* Allows for connect(2). */
|
|
#define CAP_CONNECT CAPRIGHT(0, 0x0000000080000000ULL)
|
|
/* Allows for getpeername(2). */
|
|
#define CAP_GETPEERNAME CAPRIGHT(0, 0x0000000100000000ULL)
|
|
/* Allows for getsockname(2). */
|
|
#define CAP_GETSOCKNAME CAPRIGHT(0, 0x0000000200000000ULL)
|
|
/* Allows for getsockopt(2). */
|
|
#define CAP_GETSOCKOPT CAPRIGHT(0, 0x0000000400000000ULL)
|
|
/* Allows for listen(2). */
|
|
#define CAP_LISTEN CAPRIGHT(0, 0x0000000800000000ULL)
|
|
/* Allows for sctp_peeloff(2). */
|
|
#define CAP_PEELOFF CAPRIGHT(0, 0x0000001000000000ULL)
|
|
#define CAP_RECV CAP_READ
|
|
#define CAP_SEND CAP_WRITE
|
|
/* Allows for setsockopt(2). */
|
|
#define CAP_SETSOCKOPT CAPRIGHT(0, 0x0000002000000000ULL)
|
|
/* Allows for shutdown(2). */
|
|
#define CAP_SHUTDOWN CAPRIGHT(0, 0x0000004000000000ULL)
|
|
|
|
/* Allows for bindat(2) on a directory descriptor. */
|
|
#define CAP_BINDAT (CAP_LOOKUP | 0x0000008000000000ULL)
|
|
/* Allows for connectat(2) on a directory descriptor. */
|
|
#define CAP_CONNECTAT (CAP_LOOKUP | 0x0000010000000000ULL)
|
|
|
|
/* Allows for linkat(2) (source directory descriptor). */
|
|
#define CAP_LINKAT_SOURCE (CAP_LOOKUP | 0x0000020000000000ULL)
|
|
/* Allows for renameat(2) (target directory descriptor). */
|
|
#define CAP_RENAMEAT_TARGET (CAP_LOOKUP | 0x0000040000000000ULL)
|
|
|
|
#define CAP_SOCK_CLIENT \
|
|
(CAP_CONNECT | CAP_GETPEERNAME | CAP_GETSOCKNAME | CAP_GETSOCKOPT | \
|
|
CAP_PEELOFF | CAP_RECV | CAP_SEND | CAP_SETSOCKOPT | CAP_SHUTDOWN)
|
|
#define CAP_SOCK_SERVER \
|
|
(CAP_ACCEPT | CAP_BIND | CAP_GETPEERNAME | CAP_GETSOCKNAME | \
|
|
CAP_GETSOCKOPT | CAP_LISTEN | CAP_PEELOFF | CAP_RECV | CAP_SEND | \
|
|
CAP_SETSOCKOPT | CAP_SHUTDOWN)
|
|
|
|
/* All used bits for index 0. */
|
|
#define CAP_ALL0 CAPRIGHT(0, 0x000007FFFFFFFFFFULL)
|
|
|
|
/* Available bits for index 0. */
|
|
#define CAP_UNUSED0_44 CAPRIGHT(0, 0x0000080000000000ULL)
|
|
/* ... */
|
|
#define CAP_UNUSED0_57 CAPRIGHT(0, 0x0100000000000000ULL)
|
|
|
|
/* INDEX 1 */
|
|
|
|
/* Mandatory Access Control. */
|
|
/* Allows for mac_get_fd(3). */
|
|
#define CAP_MAC_GET CAPRIGHT(1, 0x0000000000000001ULL)
|
|
/* Allows for mac_set_fd(3). */
|
|
#define CAP_MAC_SET CAPRIGHT(1, 0x0000000000000002ULL)
|
|
|
|
/* Methods on semaphores. */
|
|
#define CAP_SEM_GETVALUE CAPRIGHT(1, 0x0000000000000004ULL)
|
|
#define CAP_SEM_POST CAPRIGHT(1, 0x0000000000000008ULL)
|
|
#define CAP_SEM_WAIT CAPRIGHT(1, 0x0000000000000010ULL)
|
|
|
|
/* Allows select(2) and poll(2) on descriptor. */
|
|
#define CAP_EVENT CAPRIGHT(1, 0x0000000000000020ULL)
|
|
/* Allows for kevent(2) on kqueue descriptor with eventlist != NULL. */
|
|
#define CAP_KQUEUE_EVENT CAPRIGHT(1, 0x0000000000000040ULL)
|
|
|
|
/* Strange and powerful rights that should not be given lightly. */
|
|
/* Allows for ioctl(2). */
|
|
#define CAP_IOCTL CAPRIGHT(1, 0x0000000000000080ULL)
|
|
#define CAP_TTYHOOK CAPRIGHT(1, 0x0000000000000100ULL)
|
|
|
|
/* Process management via process descriptors. */
|
|
/* Allows for pdgetpid(2). */
|
|
#define CAP_PDGETPID CAPRIGHT(1, 0x0000000000000200ULL)
|
|
/* Allows for pdwait4(2). */
|
|
#define CAP_PDWAIT CAPRIGHT(1, 0x0000000000000400ULL)
|
|
/* Allows for pdkill(2). */
|
|
#define CAP_PDKILL CAPRIGHT(1, 0x0000000000000800ULL)
|
|
|
|
/* Extended attributes. */
|
|
/* Allows for extattr_delete_fd(2). */
|
|
#define CAP_EXTATTR_DELETE CAPRIGHT(1, 0x0000000000001000ULL)
|
|
/* Allows for extattr_get_fd(2). */
|
|
#define CAP_EXTATTR_GET CAPRIGHT(1, 0x0000000000002000ULL)
|
|
/* Allows for extattr_list_fd(2). */
|
|
#define CAP_EXTATTR_LIST CAPRIGHT(1, 0x0000000000004000ULL)
|
|
/* Allows for extattr_set_fd(2). */
|
|
#define CAP_EXTATTR_SET CAPRIGHT(1, 0x0000000000008000ULL)
|
|
|
|
/* Access Control Lists. */
|
|
/* Allows for acl_valid_fd_np(3). */
|
|
#define CAP_ACL_CHECK CAPRIGHT(1, 0x0000000000010000ULL)
|
|
/* Allows for acl_delete_fd_np(3). */
|
|
#define CAP_ACL_DELETE CAPRIGHT(1, 0x0000000000020000ULL)
|
|
/* Allows for acl_get_fd(3) and acl_get_fd_np(3). */
|
|
#define CAP_ACL_GET CAPRIGHT(1, 0x0000000000040000ULL)
|
|
/* Allows for acl_set_fd(3) and acl_set_fd_np(3). */
|
|
#define CAP_ACL_SET CAPRIGHT(1, 0x0000000000080000ULL)
|
|
|
|
/* Allows for kevent(2) on kqueue descriptor with changelist != NULL. */
|
|
#define CAP_KQUEUE_CHANGE CAPRIGHT(1, 0x0000000000100000ULL)
|
|
|
|
#define CAP_KQUEUE (CAP_KQUEUE_EVENT | CAP_KQUEUE_CHANGE)
|
|
|
|
/* All used bits for index 1. */
|
|
#define CAP_ALL1 CAPRIGHT(1, 0x00000000001FFFFFULL)
|
|
|
|
/* Available bits for index 1. */
|
|
#define CAP_UNUSED1_22 CAPRIGHT(1, 0x0000000000200000ULL)
|
|
/* ... */
|
|
#define CAP_UNUSED1_57 CAPRIGHT(1, 0x0100000000000000ULL)
|
|
|
|
/* Backward compatibility. */
|
|
#define CAP_POLL_EVENT CAP_EVENT
|
|
|
|
#define CAP_ALL(rights) do { \
|
|
(rights)->cr_rights[0] = \
|
|
((uint64_t)CAP_RIGHTS_VERSION << 62) | CAP_ALL0; \
|
|
(rights)->cr_rights[1] = CAP_ALL1; \
|
|
} while (0)
|
|
|
|
#define CAP_NONE(rights) do { \
|
|
(rights)->cr_rights[0] = \
|
|
((uint64_t)CAP_RIGHTS_VERSION << 62) | CAPRIGHT(0, 0ULL); \
|
|
(rights)->cr_rights[1] = CAPRIGHT(1, 0ULL); \
|
|
} while (0)
|
|
|
|
#define CAPRVER(right) ((int)((right) >> 62))
|
|
#define CAPVER(rights) CAPRVER((rights)->cr_rights[0])
|
|
#define CAPARSIZE(rights) (CAPVER(rights) + 2)
|
|
#define CAPIDXBIT(right) ((int)(((right) >> 57) & 0x1F))
|
|
|
|
/*
|
|
* Allowed fcntl(2) commands.
|
|
*/
|
|
#define CAP_FCNTL_GETFL (1 << F_GETFL)
|
|
#define CAP_FCNTL_SETFL (1 << F_SETFL)
|
|
#define CAP_FCNTL_GETOWN (1 << F_GETOWN)
|
|
#define CAP_FCNTL_SETOWN (1 << F_SETOWN)
|
|
#define CAP_FCNTL_ALL (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL | \
|
|
CAP_FCNTL_GETOWN | CAP_FCNTL_SETOWN)
|
|
|
|
#define CAP_IOCTLS_ALL SSIZE_MAX
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#define cap_rights_init(...) \
|
|
__cap_rights_init(CAP_RIGHTS_VERSION, __VA_ARGS__, 0ULL)
|
|
cap_rights_t *__cap_rights_init(int version, cap_rights_t *rights, ...);
|
|
|
|
#define cap_rights_set(...) \
|
|
__cap_rights_set(__VA_ARGS__, 0ULL)
|
|
cap_rights_t *__cap_rights_set(cap_rights_t *rights, ...);
|
|
|
|
#define cap_rights_clear(...) \
|
|
__cap_rights_clear(__VA_ARGS__, 0ULL)
|
|
cap_rights_t *__cap_rights_clear(cap_rights_t *rights, ...);
|
|
|
|
#define cap_rights_is_set(...) \
|
|
__cap_rights_is_set(__VA_ARGS__, 0ULL)
|
|
bool __cap_rights_is_set(const cap_rights_t *rights, ...);
|
|
|
|
bool cap_rights_is_valid(const cap_rights_t *rights);
|
|
cap_rights_t *cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src);
|
|
cap_rights_t *cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src);
|
|
bool cap_rights_contains(const cap_rights_t *big, const cap_rights_t *little);
|
|
|
|
__END_DECLS
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#include <sys/systm.h>
|
|
|
|
#define IN_CAPABILITY_MODE(td) (((td)->td_ucred->cr_flags & CRED_FLAG_CAPMODE) != 0)
|
|
|
|
struct filedesc;
|
|
struct filedescent;
|
|
|
|
/*
|
|
* Test whether a capability grants the requested rights.
|
|
*/
|
|
int cap_check(const cap_rights_t *havep, const cap_rights_t *needp);
|
|
/*
|
|
* Convert capability rights into VM access flags.
|
|
*/
|
|
u_char cap_rights_to_vmprot(cap_rights_t *havep);
|
|
|
|
/*
|
|
* For the purposes of procstat(1) and similar tools, allow kern_descrip.c to
|
|
* extract the rights from a capability.
|
|
*/
|
|
cap_rights_t *cap_rights_fde(struct filedescent *fde);
|
|
cap_rights_t *cap_rights(struct filedesc *fdp, int fd);
|
|
|
|
int cap_ioctl_check(struct filedesc *fdp, int fd, u_long cmd);
|
|
int cap_fcntl_check_fde(struct filedescent *fde, int cmd);
|
|
int cap_fcntl_check(struct filedesc *fdp, int fd, int cmd);
|
|
|
|
#else /* !_KERNEL */
|
|
|
|
__BEGIN_DECLS
|
|
/*
|
|
* cap_enter(): Cause the process to enter capability mode, which will
|
|
* prevent it from directly accessing global namespaces. System calls will
|
|
* be limited to process-local, process-inherited, or file descriptor
|
|
* operations. If already in capability mode, a no-op.
|
|
*/
|
|
int cap_enter(void);
|
|
|
|
/*
|
|
* Are we sandboxed (in capability mode)?
|
|
* This is a libc wrapper around the cap_getmode(2) system call.
|
|
*/
|
|
bool cap_sandboxed(void);
|
|
|
|
/*
|
|
* cap_getmode(): Are we in capability mode?
|
|
*/
|
|
int cap_getmode(u_int *modep);
|
|
|
|
/*
|
|
* Limits capability rights for the given descriptor (CAP_*).
|
|
*/
|
|
int cap_rights_limit(int fd, const cap_rights_t *rights);
|
|
/*
|
|
* Returns capability rights for the given descriptor.
|
|
*/
|
|
#define cap_rights_get(fd, rights) \
|
|
__cap_rights_get(CAP_RIGHTS_VERSION, (fd), (rights))
|
|
int __cap_rights_get(int version, int fd, cap_rights_t *rights);
|
|
/*
|
|
* Limits allowed ioctls for the given descriptor.
|
|
*/
|
|
int cap_ioctls_limit(int fd, const cap_ioctl_t *cmds, size_t ncmds);
|
|
/*
|
|
* Returns array of allowed ioctls for the given descriptor.
|
|
* If all ioctls are allowed, the cmds array is not populated and
|
|
* the function returns CAP_IOCTLS_ALL.
|
|
*/
|
|
ssize_t cap_ioctls_get(int fd, cap_ioctl_t *cmds, size_t maxcmds);
|
|
/*
|
|
* Limits allowed fcntls for the given descriptor (CAP_FCNTL_*).
|
|
*/
|
|
int cap_fcntls_limit(int fd, uint32_t fcntlrights);
|
|
/*
|
|
* Returns bitmask of allowed fcntls for the given descriptor.
|
|
*/
|
|
int cap_fcntls_get(int fd, uint32_t *fcntlrightsp);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* !_KERNEL */
|
|
|
|
#endif /* !_SYS_CAPSICUM_H_ */
|