| CAP_ACCEPT
|
Permit
accept(2)
and
accept4(2).
|
| CAP_ACL_CHECK
|
Permit
acl_valid_fd_np(3).
|
| CAP_ACL_DELETE
|
Permit
acl_delete_fd_np(3).
|
| CAP_ACL_GET
|
Permit
acl_get_fd(3)
and
acl_get_fd_np(3).
|
| CAP_ACL_SET
|
Permit
acl_set_fd(3)
and
acl_set_fd_np(3).
|
| CAP_BIND
|
When not in capabilities mode, permit
bind(2)
and
bindat(2)
with special value
AT_FDCWD
in the
fd
parameter.
Note that sockets can also become bound implicitly as a result of
connect(2)
or
send(2),
and that socket options set with
setsockopt(2)
may also affect binding behavior.
|
| CAP_BINDAT
|
Permit
bindat(2).
This right has to be present on the directory descriptor.
This right includes the
CAP_LOOKUP
right.
|
| CAP_CHFLAGSAT
|
An alias to
CAP_FCHFLAGS
and
CAP_LOOKUP.
|
| CAP_CONNECT
|
When not in capabilities mode, permit
connect(2)
and
connectat(2)
with special value
AT_FDCWD
in the
fd
parameter.
This right is also required for
sendto(2)
with a non-NULL destination address.
|
| CAP_CONNECTAT
|
Permit
connectat(2).
This right has to be present on the directory descriptor.
This right includes the
CAP_LOOKUP
right.
|
| CAP_CREATE
|
Permit
openat(2)
with the
O_CREAT
flag.
|
| CAP_EVENT
|
Permit
select(2),
poll(2),
and
kevent(2)
to be used in monitoring the file descriptor for events.
|
| CAP_EXTATTR_DELETE
|
Permit
extattr_delete_fd(2).
|
| CAP_EXTATTR_GET
|
Permit
extattr_get_fd(2).
|
| CAP_EXTATTR_LIST
|
Permit
extattr_list_fd(2).
|
| CAP_EXTATTR_SET
|
Permit
extattr_set_fd(2).
|
| CAP_FCHDIR
|
Permit
fchdir(2).
|
| CAP_FCHFLAGS
|
Permit
fchflags(2)
and
chflagsat(2)
if the
CAP_LOOKUP
right is also present.
|
| CAP_FCHMOD
|
Permit
fchmod(2)
and
fchmodat(2)
if the
CAP_LOOKUP
right is also present.
|
| CAP_FCHMODAT
|
An alias to
CAP_FCHMOD
and
CAP_LOOKUP.
|
| CAP_FCHOWN
|
Permit
fchown(2)
and
fchownat(2)
if the
CAP_LOOKUP
right is also present.
|
| CAP_FCHOWNAT
|
An alias to
CAP_FCHOWN
and
CAP_LOOKUP.
|
| CAP_FCNTL
|
Permit
fcntl(2).
Note that only the
F_GETFL,
F_SETFL,
F_GETOWN
and
F_SETOWN
commands require this capability right.
Also note that the list of permitted commands can be further limited with the
cap_fcntls_limit(2)
system call.
|
| CAP_FEXECVE
|
Permit
fexecve(2)
and
openat(2)
with the
O_EXEC
flag;
CAP_READ
is also required.
|
| CAP_FLOCK
|
Permit
flock(2),
fcntl(2)
(with
F_GETLK,
F_SETLK,
F_SETLKW
or
F_SETLK_REMOTE
flag) and
openat(2)
(with
O_EXLOCK
or
O_SHLOCK
flag).
|
| CAP_FPATHCONF
|
Permit
fpathconf(2).
|
| CAP_FSCK
|
Permit UFS background-fsck operations on the descriptor.
|
| CAP_FSTAT
|
Permit
fstat(2)
and
fstatat(2)
if the
CAP_LOOKUP
right is also present.
|
| CAP_FSTATAT
|
An alias to
CAP_FSTAT
and
CAP_LOOKUP.
|
| CAP_FSTATFS
|
Permit
fstatfs(2).
|
| CAP_FSYNC
|
Permit
aio_fsync(2),
fdatasync(2),
fsync(2)
and
openat(2)
with
O_FSYNC
or
O_SYNC
flag.
|
| CAP_FTRUNCATE
|
Permit
ftruncate(2)
and
openat(2)
with the
O_TRUNC
flag.
|
| CAP_FUTIMES
|
Permit
futimens(2)
and
futimes(2),
and permit
futimesat(2)
and
utimensat(2)
if the
CAP_LOOKUP
right is also present.
|
| CAP_FUTIMESAT
|
An alias to
CAP_FUTIMES
and
CAP_LOOKUP.
|
| CAP_GETPEERNAME
|
Permit
getpeername(2).
|
| CAP_GETSOCKNAME
|
Permit
getsockname(2).
|
| CAP_GETSOCKOPT
|
Permit
getsockopt(2).
|
| CAP_IOCTL
|
Permit
ioctl(2).
Be aware that this system call has enormous scope, including potentially
global scope for some objects.
The list of permitted ioctl commands can be further limited with the
cap_ioctls_limit(2)
system call.
|
| CAP_KQUEUE
|
An alias to
CAP_KQUEUE_CHANGE
and
CAP_KQUEUE_EVENT.
|
| CAP_KQUEUE_CHANGE
|
Permit
kevent(2)
on a
kqueue(2)
descriptor that modifies list of monitored events (the
changelist
argument is non-NULL).
|
| CAP_KQUEUE_EVENT
|
Permit
kevent(2)
on a
kqueue(2)
descriptor that monitors events (the
eventlist
argument is non-NULL).
CAP_EVENT
is also required on file descriptors that will be monitored using
kevent(2).
|
| CAP_LINKAT_SOURCE
|
Permit
linkat(2)
on the source directory descriptor.
This right includes the
CAP_LOOKUP
right.
Warning:
CAP_LINKAT_SOURCE
makes it possible to link files in a directory for which file
descriptors exist that have additional rights.
For example,
a file stored in a directory that does not allow
CAP_READ
may be linked in another directory that does allow
CAP_READ,
thereby granting read access to a file that is otherwise unreadable.
|
| CAP_LINKAT_TARGET
|
Permit
linkat(2)
on the target directory descriptor.
This right includes the
CAP_LOOKUP
right.
|
| CAP_LISTEN
|
Permit
listen(2);
not much use (generally) without
CAP_BIND.
|
| CAP_LOOKUP
|
Permit the file descriptor to be used as a starting directory for calls such as
linkat(2),
openat(2),
and
unlinkat(2).
|
| CAP_MAC_GET
|
Permit
mac_get_fd(3).
|
| CAP_MAC_SET
|
Permit
mac_set_fd(3).
|
| CAP_MKDIRAT
|
Permit
mkdirat(2).
This right includes the
CAP_LOOKUP
right.
|
| CAP_MKFIFOAT
|
Permit
mkfifoat(2).
This right includes the
CAP_LOOKUP
right.
|
| CAP_MKNODAT
|
Permit
mknodat(2).
This right includes the
CAP_LOOKUP
right.
|
| CAP_MMAP
|
Permit
mmap(2)
with the
PROT_NONE
protection.
|
| CAP_MMAP_R
|
Permit
mmap(2)
with the
PROT_READ
protection.
This right includes the
CAP_READ
and
CAP_SEEK
rights.
|
| CAP_MMAP_RW
|
An alias to
CAP_MMAP_R
and
CAP_MMAP_W.
|
| CAP_MMAP_RWX
|
An alias to
CAP_MMAP_R,
CAP_MMAP_W
and
CAP_MMAP_X.
|
| CAP_MMAP_RX
|
An alias to
CAP_MMAP_R
and
CAP_MMAP_X.
|
| CAP_MMAP_W
|
Permit
mmap(2)
with the
PROT_WRITE
protection.
This right includes the
CAP_WRITE
and
CAP_SEEK
rights.
|
| CAP_MMAP_WX
|
An alias to
CAP_MMAP_W
and
CAP_MMAP_X.
|
| CAP_MMAP_X
|
Permit
mmap(2)
with the
PROT_EXEC
protection.
This right includes the
CAP_SEEK
right.
|
| CAP_PDGETPID
|
Permit
pdgetpid(2).
|
| CAP_PDKILL
|
Permit
pdkill(2).
|
| CAP_PEELOFF
|
Permit
sctp_peeloff(2).
|
| CAP_PREAD
|
An alias to
CAP_READ
and
CAP_SEEK.
|
| CAP_PWRITE
|
An alias to
CAP_SEEK
and
CAP_WRITE.
|
| CAP_READ
|
Permit
aio_read(2)
( CAP_SEEK
is also required),
openat(2)
with the
O_RDONLY flag,
read(2),
readv(2),
recv(2),
recvfrom(2),
recvmsg(2),
pread(2)
( CAP_SEEK
is also required),
preadv(2)
( CAP_SEEK
is also required) and related system calls.
|
| CAP_RECV
|
An alias to
CAP_READ.
|
| CAP_RENAMEAT_SOURCE
|
| |
Permit
renameat(2)
on the source directory descriptor.
This right includes the
CAP_LOOKUP
right.
Warning:
CAP_RENAMEAT_SOURCE
makes it possible to move files to a directory for which file
descriptors exist that have additional rights.
For example,
a file stored in a directory that does not allow
CAP_READ
may be moved to another directory that does allow
CAP_READ,
thereby granting read access to a file that is otherwise unreadable.
|
| CAP_RENAMEAT_TARGET
|
| |
Permit
renameat(2)
on the target directory descriptor.
This right includes the
CAP_LOOKUP
right.
|
| CAP_SEEK
|
Permit operations that seek on the file descriptor, such as
lseek(2),
but also required for I/O system calls that can read or write at any position
in the file, such as
pread(2)
and
pwrite(2).
|
| CAP_SEM_GETVALUE
|
Permit
sem_getvalue(3).
|
| CAP_SEM_POST
|
Permit
sem_post(3).
|
| CAP_SEM_WAIT
|
Permit
sem_wait(3)
and
sem_trywait(3).
|
| CAP_SEND
|
An alias to
CAP_WRITE.
|
| CAP_SETSOCKOPT
|
Permit
setsockopt(2);
this controls various aspects of socket behavior and may affect binding,
connecting, and other behaviors with global scope.
|
| CAP_SHUTDOWN
|
Permit explicit
shutdown(2);
closing the socket will also generally shut down any connections on it.
|
| CAP_SYMLINKAT
|
Permit
symlinkat(2).
This right includes the
CAP_LOOKUP
right.
|
| CAP_TTYHOOK
|
Allow configuration of TTY hooks, such as
snp(4),
on the file descriptor.
|
| CAP_UNLINKAT
|
Permit
unlinkat(2)
and
renameat(2).
This right is only required for
renameat(2)
on the destination directory descriptor if the destination object already
exists and will be removed by the rename.
This right includes the
CAP_LOOKUP
right.
|
| CAP_WRITE
|
Allow
aio_write(2),
openat(2)
with
O_WRONLY
and
O_APPEND
flags set,
send(2),
sendmsg(2),
sendto(2),
write(2),
writev(2),
pwrite(2),
pwritev(2)
and related system calls.
For
sendto(2)
with a non-NULL connection address,
CAP_CONNECT
is also required.
For
openat(2)
with the
O_WRONLY
flag, but without the
O_APPEND
flag,
CAP_SEEK
is also required.
For
aio_write(2),
pwrite(2)
and
pwritev(2)
CAP_SEEK
is also required.
|
|
