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int security_load_policy(void *data, size_t len);
int selinux_mkload_policy(int preservebools);
int selinux_init_load_policy(int *enforce);
security_load_policy loads a new policy, returns 0 for success and -1
selinux_mkload_policy makes a policy image and loads it. This function
provides a higher level interface for loading policy than secu-
rity_load_policy, internally determining the right policy version,
locating and opening the policy file, mapping it into memory, manipu-
lating it as needed for current boolean settings and/or local defini-
tions, and then calling security_load_policy to load it. preservebools
is a boolean flag indicating whether current policy boolean values
should be preserved into the new policy (if 1) or reset to the saved
policy settings (if 0). The former case is the default for policy
reloads, while the latter case is an option for policy reloads but is
primarily used for the initial policy load. selinux_init_load_policy
performs the initial policy load. This function determines the desired
enforcing mode, sets the enforce argument accordingly for the caller to
use, sets the SELinux kernel enforcing status to match it, and loads
the policy. It also internally handles the initial selinuxfs mount
required to perform these actions.
It should also be noted that after the initial policy load, the SELinux
kernel code cannot anymore be disabled and the selinuxfs cannot be
unmounted using a call to security_disable(3). Therefore, after the
initial policy load, the only operational changes are those permitted
by setenforce(3) (i.e. eventually setting the framework in permissive
mode rather than in enforcing one).
returns zero on success or -1 on error.
This manual page has been written by Guido Trentalancia <guido@trenta-
selinux(8), security_disable(3), setenforce(1)