summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--share/man/man4/rights.44
-rw-r--r--sys/kern/kern_event.c15
-rw-r--r--sys/kern/subr_capability.c20
-rw-r--r--sys/kern/sys_generic.c9
-rw-r--r--sys/kern/uipc_mqueue.c4
-rw-r--r--sys/sys/capability.h161
-rw-r--r--usr.bin/procstat/procstat_files.c5
7 files changed, 151 insertions, 67 deletions
diff --git a/share/man/man4/rights.4 b/share/man/man4/rights.4
index 0e85ac0..a6b1b79 100644
--- a/share/man/man4/rights.4
+++ b/share/man/man4/rights.4
@@ -306,7 +306,7 @@ An alias to
.Dv CAP_KQUEUE_CHANGE
and
.Dv CAP_KQUEUE_EVENT .
-.It Dv CAP_KEVENT_CHANGE
+.It Dv CAP_KQUEUE_CHANGE
Permit
.Xr kevent 2
on a
@@ -314,7 +314,7 @@ on a
descriptor that modifies list of monitored events (the
.Fa changelist
argument is non-NULL).
-.It Dv CAP_KEVENT_EVENT
+.It Dv CAP_KQUEUE_EVENT
Permit
.Xr kevent 2
on a
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index 4c068bf..d23452a 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -835,10 +835,17 @@ kern_kevent(struct thread *td, int fd, int nchanges, int nevents,
cap_rights_t rights;
int i, n, nerrors, error;
- error = fget(td, fd, cap_rights_init(&rights, CAP_POST_EVENT), &fp);
+ cap_rights_init(&rights);
+ if (nchanges > 0)
+ cap_rights_set(&rights, CAP_KQUEUE_CHANGE);
+ if (nevents > 0)
+ cap_rights_set(&rights, CAP_KQUEUE_EVENT);
+ error = fget(td, fd, &rights, &fp);
if (error != 0)
return (error);
- if ((error = kqueue_acquire(fp, &kq)) != 0)
+
+ error = kqueue_acquire(fp, &kq);
+ if (error != 0)
goto done_norel;
nerrors = 0;
@@ -995,7 +1002,7 @@ findkn:
if (fops->f_isfd) {
KASSERT(td != NULL, ("td is NULL"));
error = fget(td, kev->ident,
- cap_rights_init(&rights, CAP_POLL_EVENT), &fp);
+ cap_rights_init(&rights, CAP_EVENT), &fp);
if (error)
goto done;
@@ -2279,7 +2286,7 @@ kqfd_register(int fd, struct kevent *kev, struct thread *td, int waitok)
cap_rights_t rights;
int error;
- error = fget(td, fd, cap_rights_init(&rights, CAP_POST_EVENT), &fp);
+ error = fget(td, fd, cap_rights_init(&rights, CAP_KQUEUE_CHANGE), &fp);
if (error != 0)
return (error);
if ((error = kqueue_acquire(fp, &kq)) != 0)
diff --git a/sys/kern/subr_capability.c b/sys/kern/subr_capability.c
index 61ace5a..ce41f4a 100644
--- a/sys/kern/subr_capability.c
+++ b/sys/kern/subr_capability.c
@@ -30,6 +30,10 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
+/*
+ * Note that this file is compiled into the kernel and into libc.
+ */
+
#ifdef _KERNEL
#include <sys/types.h>
#include <sys/capability.h>
@@ -164,7 +168,7 @@ __cap_rights_init(int version, cap_rights_t *rights, ...)
return (rights);
}
-void
+cap_rights_t *
__cap_rights_set(cap_rights_t *rights, ...)
{
va_list ap;
@@ -174,9 +178,11 @@ __cap_rights_set(cap_rights_t *rights, ...)
va_start(ap, rights);
cap_rights_vset(rights, ap);
va_end(ap);
+
+ return (rights);
}
-void
+cap_rights_t *
__cap_rights_clear(cap_rights_t *rights, ...)
{
va_list ap;
@@ -186,6 +192,8 @@ __cap_rights_clear(cap_rights_t *rights, ...)
va_start(ap, rights);
cap_rights_vclear(rights, ap);
va_end(ap);
+
+ return (rights);
}
bool
@@ -231,7 +239,7 @@ cap_rights_is_valid(const cap_rights_t *rights)
return (true);
}
-void
+cap_rights_t *
cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src)
{
unsigned int i, n;
@@ -250,9 +258,11 @@ cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src)
assert(cap_rights_is_valid(src));
assert(cap_rights_is_valid(dst));
+
+ return (dst);
}
-void
+cap_rights_t *
cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src)
{
unsigned int i, n;
@@ -273,6 +283,8 @@ cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src)
assert(cap_rights_is_valid(src));
assert(cap_rights_is_valid(dst));
+
+ return (dst);
}
bool
diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c
index 13ccb58..a2d46ab 100644
--- a/sys/kern/sys_generic.c
+++ b/sys/kern/sys_generic.c
@@ -1195,8 +1195,9 @@ getselfd_cap(struct filedesc *fdp, int fd, struct file **fpp)
{
cap_rights_t rights;
- return (fget_unlocked(fdp, fd, cap_rights_init(&rights, CAP_POLL_EVENT),
- 0, fpp, NULL));
+ cap_rights_init(&rights, CAP_EVENT);
+
+ return (fget_unlocked(fdp, fd, &rights, 0, fpp, NULL));
}
/*
@@ -1392,7 +1393,7 @@ pollrescan(struct thread *td)
#ifdef CAPABILITIES
if (fp == NULL ||
cap_check(cap_rights(fdp, fd->fd),
- cap_rights_init(&rights, CAP_POLL_EVENT)) != 0)
+ cap_rights_init(&rights, CAP_EVENT)) != 0)
#else
if (fp == NULL)
#endif
@@ -1467,7 +1468,7 @@ pollscan(td, fds, nfd)
#ifdef CAPABILITIES
if (fp == NULL ||
cap_check(cap_rights(fdp, fds->fd),
- cap_rights_init(&rights, CAP_POLL_EVENT)) != 0)
+ cap_rights_init(&rights, CAP_EVENT)) != 0)
#else
if (fp == NULL)
#endif
diff --git a/sys/kern/uipc_mqueue.c b/sys/kern/uipc_mqueue.c
index fe7e886..20efbe0 100644
--- a/sys/kern/uipc_mqueue.c
+++ b/sys/kern/uipc_mqueue.c
@@ -2119,7 +2119,7 @@ getmq(struct thread *td, int fd, struct file **fpp, struct mqfs_node **ppn,
{
cap_rights_t rights;
- return _getmq(td, fd, cap_rights_init(&rights, CAP_POLL_EVENT), fget,
+ return _getmq(td, fd, cap_rights_init(&rights, CAP_EVENT), fget,
fpp, ppn, pmq);
}
@@ -2282,7 +2282,7 @@ again:
}
#ifdef CAPABILITIES
error = cap_check(cap_rights(fdp, mqd),
- cap_rights_init(&rights, CAP_POLL_EVENT));
+ cap_rights_init(&rights, CAP_EVENT));
if (error) {
FILEDESC_SUNLOCK(fdp);
goto out;
diff --git a/sys/sys/capability.h b/sys/sys/capability.h
index e5b9ec7..fcde6c1 100644
--- a/sys/sys/capability.h
+++ b/sys/sys/capability.h
@@ -79,9 +79,12 @@
#define CAP_SEEK_TELL CAPRIGHT(0, 0x0000000000000004ULL)
/* Allows for lseek(2). */
#define CAP_SEEK (CAP_SEEK_TELL | 0x0000000000000008ULL)
-/* Allows for pread(2), preadv(2). */
+/* Allows for aio_read(2), pread(2), preadv(2). */
#define CAP_PREAD (CAP_SEEK | CAP_READ)
-/* Allows for openat(O_WRONLY) (without O_APPEND), pwrite(2), pwritev(2). */
+/*
+ * 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)
@@ -103,7 +106,7 @@
#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). */
+/* 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)
@@ -112,55 +115,87 @@
#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 futimes(2). */
#define CAP_FUTIMES CAPRIGHT(0, 0x0000000000200000ULL)
+/* Allows for futimes(2) and futimesat(2). */
#define CAP_FUTIMESAT (CAP_FUTIMES | CAP_LOOKUP)
-#define CAP_LINKAT CAPRIGHT(0, 0x0000000000400000ULL)
-#define CAP_MKDIRAT CAPRIGHT(0, 0x0000000000800000ULL)
-#define CAP_MKFIFOAT CAPRIGHT(0, 0x0000000001000000ULL)
-#define CAP_MKNODAT CAPRIGHT(0, 0x0000000002000000ULL)
-#define CAP_RENAMEAT CAPRIGHT(0, 0x0000000004000000ULL)
-#define CAP_SYMLINKAT CAPRIGHT(0, 0x0000000008000000ULL)
-#define CAP_UNLINKAT CAPRIGHT(0, 0x0000000010000000ULL)
-
-/* Extended attributes. */
-#define CAP_EXTATTR_DELETE CAPRIGHT(0, 0x0000000020000000ULL)
-#define CAP_EXTATTR_GET CAPRIGHT(0, 0x0000000040000000ULL)
-#define CAP_EXTATTR_LIST CAPRIGHT(0, 0x0000000080000000ULL)
-#define CAP_EXTATTR_SET CAPRIGHT(0, 0x0000000100000000ULL)
-
-/* Access Control Lists. */
-#define CAP_ACL_CHECK CAPRIGHT(0, 0x0000000200000000ULL)
-#define CAP_ACL_DELETE CAPRIGHT(0, 0x0000000400000000ULL)
-#define CAP_ACL_GET CAPRIGHT(0, 0x0000000800000000ULL)
-#define CAP_ACL_SET CAPRIGHT(0, 0x0000001000000000ULL)
+/* Allows for linkat(2) and renameat(2) (destination directory descriptor). */
+#define CAP_LINKAT (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). */
+#define CAP_RENAMEAT (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. */
-#define CAP_ACCEPT CAPRIGHT(0, 0x0000002000000000ULL)
-#define CAP_BIND CAPRIGHT(0, 0x0000004000000000ULL)
-#define CAP_CONNECT CAPRIGHT(0, 0x0000008000000000ULL)
-#define CAP_GETPEERNAME CAPRIGHT(0, 0x0000010000000000ULL)
-#define CAP_GETSOCKNAME CAPRIGHT(0, 0x0000020000000000ULL)
-#define CAP_GETSOCKOPT CAPRIGHT(0, 0x0000040000000000ULL)
-#define CAP_LISTEN CAPRIGHT(0, 0x0000080000000000ULL)
-#define CAP_PEELOFF CAPRIGHT(0, 0x0000100000000000ULL)
+/* 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
-#define CAP_SETSOCKOPT CAPRIGHT(0, 0x0000200000000000ULL)
-#define CAP_SHUTDOWN CAPRIGHT(0, 0x0000400000000000ULL)
+/* 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)
#define CAP_SOCK_CLIENT \
(CAP_CONNECT | CAP_GETPEERNAME | CAP_GETSOCKNAME | CAP_GETSOCKOPT | \
@@ -171,17 +206,19 @@
CAP_SETSOCKOPT | CAP_SHUTDOWN)
/* All used bits for index 0. */
-#define CAP_ALL0 CAPRIGHT(0, 0x00007FFFFFFFFFFFULL)
+#define CAP_ALL0 CAPRIGHT(0, 0x0000007FFFFFFFFFULL)
/* Available bits for index 0. */
-#define CAP_UNUSED0_48 CAPRIGHT(0, 0x0000800000000000ULL)
+#define CAP_UNUSED0_40 CAPRIGHT(0, 0x0000008000000000ULL)
/* ... */
#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. */
@@ -189,34 +226,60 @@
#define CAP_SEM_POST CAPRIGHT(1, 0x0000000000000008ULL)
#define CAP_SEM_WAIT CAPRIGHT(1, 0x0000000000000010ULL)
-/* kqueue events. */
-#define CAP_POLL_EVENT CAPRIGHT(1, 0x0000000000000020ULL)
-#define CAP_POST_EVENT CAPRIGHT(1, 0x0000000000000040ULL)
+/* 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)
-/*
- * Rights that allow to use bindat(2) and connectat(2) syscalls on a
- * directory descriptor.
- */
-#define CAP_BINDAT CAPRIGHT(1, 0x0000000000001000ULL)
-#define CAP_CONNECTAT CAPRIGHT(1, 0x0000000000002000ULL)
+/* 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, 0x0000000000003FFFULL)
+#define CAP_ALL1 CAPRIGHT(1, 0x00000000001FFFFFULL)
/* Available bits for index 1. */
-#define CAP_UNUSED1_15 CAPRIGHT(1, 0x0000000000004000ULL)
+#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; \
@@ -258,19 +321,19 @@ cap_rights_t *__cap_rights_init(int version, cap_rights_t *rights, ...);
#define cap_rights_set(rights, ...) \
__cap_rights_set((rights), __VA_ARGS__, 0ULL)
-void __cap_rights_set(cap_rights_t *rights, ...);
+cap_rights_t *__cap_rights_set(cap_rights_t *rights, ...);
#define cap_rights_clear(rights, ...) \
__cap_rights_clear((rights), __VA_ARGS__, 0ULL)
-void __cap_rights_clear(cap_rights_t *rights, ...);
+cap_rights_t *__cap_rights_clear(cap_rights_t *rights, ...);
#define cap_rights_is_set(rights, ...) \
__cap_rights_is_set((rights), __VA_ARGS__, 0ULL)
bool __cap_rights_is_set(const cap_rights_t *rights, ...);
bool cap_rights_is_valid(const cap_rights_t *rights);
-void cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src);
-void cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src);
+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);
#ifdef _KERNEL
diff --git a/usr.bin/procstat/procstat_files.c b/usr.bin/procstat/procstat_files.c
index d65c1ae..484dc2d 100644
--- a/usr.bin/procstat/procstat_files.c
+++ b/usr.bin/procstat/procstat_files.c
@@ -203,8 +203,9 @@ static struct cap_desc {
{ CAP_SEM_WAIT, "sw" },
/* Event monitoring and posting. */
- { CAP_POLL_EVENT, "po" },
- { CAP_POST_EVENT, "ev" },
+ { CAP_EVENT, "ev" },
+ { CAP_KQUEUE_EVENT, "ke" },
+ { CAP_KQUEUE_CHANGE, "kc" },
/* Strange and powerful rights that should not be given lightly. */
{ CAP_IOCTL, "io" },
OpenPOWER on IntegriCloud