NAME
securelevel_gt
,
securelevel_ge
—
test active securelevel
SYNOPSIS
#include
<sys/types.h>
#include <sys/proc.h>
int
securelevel_gt
(struct
ucred *cr, int
level);
int
securelevel_ge
(struct
ucred *cr, int
level);
DESCRIPTION
These functions test the active security level against the given level. If the calling credential cr was imprisoned by the jail(2) system call, and has a different security level set than the host environment, the security level with the highest value is used.
The
securelevel_gt
()
function will evaluate whether or not the active security level is greater
than the supplied level.
The
securelevel_ge
()
function will evaluate whether or not the active security level is greater
than or equal to the supplied level.
RETURN VALUES
These functions return EPERM
if condition
evaluated to true, and 0 otherwise.